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JOHN MASON PAWELEK, Ph.D. Curriculum Vitae Education: Diploma A.B. Ph.D. Baltimore Polytechnic Institute, Baltimore, MD Gettysburg College, Gettysburg, PA Brown University, Providence, RI 1959 1963 1967 Positions: 1967-70 Postdoctoral Fellow, American Cancer Society. Dr. Peter Lengyel, Yale University, Project-Initiation of Eukaryotic Protein Synthesis 1970-71 Research Associate. Dr. Paul Howard-Flanders Yale University, Project-Genetic Control of DNA Synthesis in Escheriscia coli 1971-77 Assistant Professor of Dermatology, Yale University 1977-82 Associate Professor of Dermatology, Lecturer in Molecular Biophysics and Biochemistry, Yale University School of Medicine 1982-2005 Senior Research Scientist in Dermatology, Yale University School of Medicine 1984-2003 Lecturer in Pharmacology, Yale University School of Medicine 2005-current Research Affiliate, Dept. of Dermatology and the Yale Cancer Center, Yale University School of Medicine 2006 Visiting Research Fellow, Gettysburg College, Gettysburg, PA 2007 Member, Scientific Advisory Board, Playtex Sun Care Products 2007-2008 Associate Fellow, Biology, Gettysburg College, Gettysburg, PA 2007-current Consultant in Pigmentation Research, Access Business Group, Ada, MI 2007-current Member, Scientific Advisory Board, Artistry Inc. Awards and Other Professional Activities: 1967 1983-85 1984 1985-88 1992-00 1993 1998 1999 2000 2002 2004 2005-08 2005-08 2005-08 2006- Barry Rosen Memorial Award (Inaugural Brown University Graduate Research Award) Lawrence M. Gelb Research Fellowship Skin Cancer Foundation Award Board of Trustees, International Pigment Cell Society Council Member (3 times), Pan American Society for Pigment Cell Research Inaugural Award: Henry Stanley Raper Medal (for biochemistry of mammalian pigmentation), Internat Fed Pigment Cell Societies Gelb lecturer, Pan Amer. Soc. Pigment Cell Research Outstanding Alumnus Award, Gettysburg College, Gettysburg, PA Career Achievement Award, Pan Amer. So. Pigment Cell Res President-Elect, Pan Amer. Soc. Pigment Cell Research Aaron B. Lerner Award for Excellence in Pigment Cell Research, PanAmerican Society for Pigment Cell Research President, Pan American Society for Pigment Cell Research Council, International Federation of Pigment Cell Societies Steering committee, Society for Melanoma Research Associate Editor, Cell Adhesion and Migration 1 2008 20082010 2011 2011 2011- Takeuchi Medal for discovery of dopachrome tautomerase. Japanese Society for Pigment Cell Research/IFPCR, Sapporo, Japan, 5/8/08. Associate Editor, Melanoma Research Named lectureship: “The John M. Pawelek Lectureship”, initiated at 4th Annual Meeting of the ASPCR, Guangzhou, China. (Endowed by Amway, Inc.) Invited Lecture at same meeting: “Pigmentation yesterday, today, and tomorrow” Calicut, India, 01/11 Invited Lecture at same meeting: “Pigmentation yesterday, today, and tomorrow” Named lectureship: “The John M. Pawelek Lectureship”, 5th Annual Meeting of the ASPCR, with the World Congress of Dermatology, Seoul, S. Korea 07/11. (Endowed by Amway, Inc.) Invited Lecture at same meeting: “Leucocyte-tumor cell fusion in a human melanoma brain metastasis” Council Member, PanAmer. Soc Pigment Cell Research Patents Issued and Pending in Following Areas: Cosmetic Synthetic Melanins Treatment for Skin Hypo- and Hyperpigmentation Vectors for the Diagnosis and Treatment of Cancer Targeting Glycoconjugates on Metastatic Tumors Glycosylation and Cutaneous Pigmentation Professional Societies: Society for Investigative Dermatology International Federation of Pigment Cell Societies Pan American Society for Pigment Cell Research Metastasis Research Society American Association for Cancer Research Society for Melanoma Research Teaching: MBB 210a, Molecular Genetics II Anatomy 119a, Techniques in Developmental Biology MBB 710a, Molecular Genetics of Eukaryotes MBB 101a, Introduction to Biochemistry Pharmacology 503a, Molecular Mechanisms of Hormone Action Cell Biology 619a/Pharmacology 570a, Cell Regulation Pharmacology 502b, Graduate Seminar, Receptors and Second Messengers Minority Student Research Programs: Mentor Lab mentor: medical, graduate, undergraduate students Lecturer, Gettysburg College, Cell Biology Course Miscellaneous: 1975 - Invited Speaker 1976 - Invited Speaker American Academy of Dermatology Gordon Research Conference of cyclic AMP 2 1971-1983 1972-1973 1973-1978 1976 1980-1986 1987-1990 1990-1992 1990-current 1971-current 2006- 1977 - Invited Speaker 1977 - Plenary Lecturer 1979 - Invited Speaker 1980 - Invited Speaker 1981 - Invited Speaker 1981/1982-Faculty 1983 - Invited Speaker 1984 - Invited Lecturer 1985 - Session Chairman, Invited Speaker 1985 - Invited speaker VI 1986 - Session Chairman, Invited Speaker 1987 - Invited Speaker 1987 - Invited Speaker 1987 - Invited Speaker 1988-Invited Guest Lecturer 1989 - Invited Speaker International Congress of Dermatology Mexico City, Mexico 10th Annual Meeting of the Japanese Pigment Cell Club, Sendai, Japan American Academy of Dermatology Chicago Dermatological Society Cold Spring Harbor Conferences on Cell Proliferation Cold Spring Harbor Course on Cell Proliferation Gordon Research Conference on Hormone Action Jagiellonian University, Krakow, Poland Gdansk University, Gdansk, Poland Silesian Medical Academy, Sosnowiec, Poland Charles University, Prague, Czechoslovakia First International Conference on Skin Melanoma, Venice, Italy (World Health Organization) European Workshop on Melanin Pigmentation Murcia, Spain International Pigment Cell Conference, Tucson, Arizona Second European Congress of Photobiology, Padova, Italy European Pigment Cell Society, Sorrento, Italy Society of Cosmetic Chemists, Dallas, Texas Trinity College Course on Photobiology, Hartford, CT Gettysburg College Senior Biology Honors Day, Gettysburg, PA 1989 - Invited Speaker Oberlin College Monte-Block Lecturer in Biology, Oberlin, OH 1989 - Plenary Lecturer Second International Conference on Skin Melanoma Venice, Italy (World Health Organization) 1989 - Invited speaker U.S. Environmental Protection Agency Seminar on "Health Effects of UV Radiation", Washington, DC 1990 - Session Chairman, XIVth International Pigment Cell Conference, Invited Speaker Kobe, Japan 1990 - Invited Speaker Symposium “Molecular Biology of Pigment Cells”, Sendai, Japan 1991 - Invited Speaker Oberlin College Senior Biochemistry Students, Oberlin, OH 1991 - Plenary Lecturer PanAmerican Society for Pigment Cell Research, Edmonton, Canada 1991 - Invited Speaker Dermal Clinical Evaluation Society, Princeton, NJ 1991 - Plenary Lecturer European Society for Pigment Cell Research, Amsterdam, The Netherlands 1992 - Invited Speaker 10th Anniversary Symposium, Center for Alternatives to Animal Testing, Johns Hopkins University, Baltimore, MD 1992 - Invited Speaker 20th Annual Meeting, American Society for Photobiology, Marco Island, FL 3 1992 - Invited Speaker Williamsburg Mini-Conference on Regulation of Melanogenesis, Williamsburg, VA 1992 - Invited Speaker “Skin Color”, Cheshire High School, Cheshire, CT 1992 - Podium Speaker European Society for Pigment Cell Research, Berlin, Germany 1993 - Podium Speaker International Pigment Society, London, England 1993-96 - Lecturer Institute for Science Instruction and Study, Southern Connecticut State University, New Haven, CT 1994 - Lecturer “Cancer” Dodge City Community College, Dodge City, KA 1995- Tutorial Presentation Conference on “Paradigms in Cancer Biology and Cancer Therapy”, Krasnow Institute for Advanced Study, George Mason University, Fairfax, Virginia 1996-Cancer Grand Rounds "Mechanisms of Melanoma Metastasis" Yale Cancer Center, New Haven, CT 1997- Invited Speaker Santa Barbara Cancer Foundation Workshop, “Cancer as an Evolutionary Phenomenon” 1997-Invited Speaker “Colors in Nature” Troup Magnet Academy of Sciences, 7th grade New Haven, CT 1997- Invited Speaker National Cancer Institute lecture “Melanoma/Macrophage Fusion Hybrids as Models for Solid Tumor Metastasis” 1997-Podium Speaker International Conference on Melanoma, Sydney, Australia 1997-Podium Speaker Symposium on Pigmentary Disorders from a Global Perspective, Bali, Indonesia 1997-Current New Haven Inner City Youth Counselor, Waverly Housing Project 1998-Invited Speaker Westwoods School/Vincent Mauro School Urban-Suburban Exchange Program (Hamden/New Haven) "The Colors of Life" 1998-Invited Speaker Institute for Racial Healing, Groton, CT. "The Fallacy of the Bell Curve" 1998-Invited Speaker "Cosmetic Melanin" International Cosmetic Expo, Javitts Center, NY. 1998-Invited Speaker Yale University Health Services, Department of Dermatology, Skin Cancer Awareness Week 1998-Honorary Lecture "Gelb Lecture" Pan American Society for Pigment Cell Research, Aspen, Colorado 1998-Plenary Lecture European Society for Pigment Cell Research, Prague, Czech Republic 1998-Workshop Leader "The Fallacy of the Bell Curve" PEERS (Parents and Educators for Eliminating Racism in Schools), Groton , CT 1998-Invited Speaker "Sunlight, Melanin, and Melanoma", Trinity College, Hartford, CT 1998-Invited Speaker Spotlight on Research, Animal Resources Center, Yale Medical School 1998-Cited US News and World Report, Mar 30, p79, "Cancer: Salmonella AntiCancer Therapy" 1998-Cited Forbes Magazine, Nov 16, p240, "Fighting Disease With Disease" 1998-Cited Journal of the National Cancer Institute, Dec., 1998 4 1999-seminar speaker Pharmacology Department, Yale University School of Medicine "On the role of N-glycosylation in melanoma metastasis" 1999-Cited Allure Magazine, March, 1999, p102 "Tan in a Bottle". 1999-Guest writer Inner City (New Haven CT) "The Songs of the Journey Concert" April, 1999. 2000-Cited The Scientist, Feb. 15,2000 Vol 14, No. 4, p8 "The Positive Side of Salmonella". 2000-Cited The Scientist, May 29, 2000 vol 14, No. 11, p8 "Tumor Metastasis by Hybridization". 2000-Author and Co-director "The Spirit of Life" Unitarian Society of New Haven, June, 2000. 2000-Guest writer Arts! (Arts Council of Greater New Haven) Vol 13: no.9 Oct, 2000 "Paul F. Mueller leads the New Haven Chorale in its 50th season jubilee" 2000-Cited Newsweek Magazine, Nov 6, 2000, p86. "Pigment in a Tube." 2001-Cited New York Times, Science Times, Jan 23, 2001, pF7. "The Evil Salmonella and Its Helpful Twin". 2001-Author and Co-director "A Strange Evening at St. Thomas" 6th Grade play, St. Thomas Day School, New Haven, CT, 3/14/01. 2001-Dedication St. Thomas Day School, New Haven, CT. 2001 Yearbook Dedication for writing and directing the 6th Grade play. 2001-Speaker "CANCER!" The Regional Bioscience Consortium, Quinnipiac Univ. (HS students-Hamden, Cheshire, N.Haven, Wallingford) 5/2/01, Hamden, CT. 2001-Speaker “Tumor cell/phagocyte hybridization in melanoma metastasis” Uppsala University Sch of Med., Uppsala, Sweden, 11/15/01 2001-Speaker “New findings on melanoma pigmentation and progression”. Yale Dermatology Seminar (with Tamara Handerson, MD) 2001-Speaker Evergreen Woods Retirement Community: The Big Bang, Genesis, and Life in this Universe, Branford, CT, 01/10/02. 2002-Speaker International Federation of Pigment Cell Societies, Beta 1,6Branched N-glycans and coarse melanin in melanoma progression” The Netherlands, 9/02. 2003-Speaker Bowdoin College Distinguished Lecturer Series. “Bacteria as Anticancer Agents”. Brunswick, Maine, 3/03. 2003-Speaker Norwich Unitarian Church. The Big Bang, Genesis, and Human Consciousness. Norwich, CT., 3/03. 2003-Speaker Tumor-hematopoietic cell hybrids and myeloid-type glycosylation in human cancer: new targets for therapeutic intervention. Yale Cancer Center Grand Rounds. New Haven, CT 9/9/03. 2003-Speaker Tumor-hematopoietic cell hybrids and myeloid-type glycosylation in human cancer: new targets for therapeutic intervention. Boston College, Dept. of Biololgy, Boston, MA. 9/23/03. 2003-Speaker How Cancer Spreads. Greenwich Rotary Club, Greenwich, CT, 10/8/03 5 2003-Speaker 2004-Speaker 2004-Speaker 2004-Speaker 2004-Speaker 2004-Award Lecture 2004-Speaker 2004-Speaker 2004-Clinical Conference 2005-Speaker 2005-Plenary Lecture 2005-Director/Producer 2005-Speaker 2005-Plenary Lecture 2005-Cited 2005-Speaker 2005-Cited 2005-Cited 2006-SMR Commentary 2006-Speaker “Myeloid-type glycosylation and melanoma progression” Beeson Lecture Series, Dept. Dermatology, Yale School Medicine. 12/3/03 Aberrant glycosylation is an independent predictor of metastasis and poor survival in breast carcinoma. Breast Cancer Research Conference, Yale Cancer Center. 01/13/04 “Origins of cancer.” Spotlight on Research: Yale Animal Care and Use Seminar Series. 02/12/04. “Cancer.” Nursing Program, University of South Dakota, Sioux Falls, S.D. 02/13/04. “BMT-tumor hybrids in a renal cell carcinoma”. Section of Medical Oncology, Yale School of Medicine. 06/04/04. “Melanoma pigmentation and progression: Some things new under the sun. Aaron B. Lerner Award Lecture. PASPCR XIIth Annual meeting. Newport Beach, CA. 6/25/04. “Tumor-hematopoietic cell fusion as a mechanism for solid tumor metastasis.” Amgen, Inc., Seattle, WA. 9/28/04. Macrophages target 1,6-branched oligosaccharide-producing cells in human melanomas. 2nd International Melanoma Research Conference. Phoenix, AZ. 11/15/04. Macrophages target 1,6-branched oligosaccharide-producing cells in human melanomas. Clinical Melanoma Conference, Yale School of Medicine. 12/2/04 First meeting of the Asian Society for Pigment Cell Research. “Coarse melanin in human melanoma.” New Delhi, India, 2/2/05 “Funding Creative Science: Who pays outside the box?” National Council of Univ. Res. Administrators Region I, Mystic, CT, 5/05 “Yanomamo”, Unitarian Society, Hamden, CT, 6/05 “Mentors and Miracles” St. Thomas’s Day School Graduation, New Haven, CT, 6/05 “Salmonella and Bordetella for targeting and destruction of tumor cells” Life Engineering Conf. National Academies/Keck Futures Initiative. San Francisco, CA. 8/19/05. San Francisco Chronicle “Science Tweaks Nature’s Toolbox” 8.20/05. “Langerhans cells expressing 1,6-branched oligosaccharides are enriched in vitiligo perilesional skin.” International Pigment Cell Conference, Reston, VA, 9/22/05. Boston Globe “When researchers are guinea pigs” 12/12/05 New Haven Register “Research supports century-old theory on cancer spread” 11/30/05 “Viewing malignant melanoma cells as macrophage-melanoma fusion hybrids” Spring, 2007. Tumor cell fusion with macrophages promotes metastasis” Jake Gittlen Cancer Research Foundation, Penn State University, Hershey Medical Center, Hershey, PA 02/23/06. 6 2006-Speaker 2007-Speaker 2007-Speaker 2007-Speaker 2007-Speaker 2007-Speaker 2007-Keynote Lecture 2007-SMR newsletter 2007-Speaker 2008-Speaker 2008-Award 2008-Speaker 2008-Cited 2009-Cited 2009-Lecture 2009-Lecture 2009-Keynote Lecture 2009-Invited Lecture Understanding cancer: A scientific journey from Gettysburg to Yale (and back). The Robert D. Barnes Memorial Honors Lecture. Gettysburg College, Gettysburg, PA. 04/18/06 Cancer cell fusion with migratory bone marrow-derived cells: A unifying explanation for metastasis. Human Medical Genetics Program, University of Colorado, Aurora, CO. 02/01/07 Cancer cell fusion with migratory bone marrow-derived cells: A unifying explanation for metastasis. City of Hope National Cancer Center, Duarte, CA. 04/02/07. Cancer cell fusion with migratory bone marrow-derived cells: A unifying explanation for metastasis. Garden State Cancer Center, Belleville, NJ, 05/21/07. Aberrant glycosylation in melanoma and vitiligo. 2nd Annual Meeting of the Asian Society for Pigment Cell Research, Singapore, July 6-8, 2007. “The pathology of melanoma progression: Cell fusion as an explanation.” Linköping University, explanation. Linköping, Sweden, 3 October 2007. “Cancer cell fusion with migratory bone marrow-derived cells: A unifying explanation for metastasis 1st Conference on cell fusion and cancer”, Söderköping, Sweden, 4-5 October, 2007 “GnT-V and 1,6-branched oligosaccharides in melanoma.” 9/07. “The pathology of melanoma progression: Cell fusion as an explanation.” Comprehensive Cancer Center, Univ. Michigan, Ann Arbor, MI. 11/27/07 Cancer as an evolutionary disease. Lutheran Theological Seminary at Gettysburg. Gettysburg, PA. 02/11/08 Takeuchi Medal for discovery of dopachrome tautomerase. Japanese Society for Pigment Cell Research/IFPCR, Sapporo, Japan, 5/8/08. "Cancer Cell Fusion with Migratory Bone Marrow-derived Cells as an Explanation for Metastasis: New Therapeutic Paradigms” Developmental Therapeutics Res Program Conf. Yale School of Medicine 10/23/08 “Cell Fusion Theory: Can it Explain What Triggers Metastasis? Andrea Carter JNCI, Sept, 2008 “A theory of deadly fusion” Charles Q. Choi, Scientific American, January, 2009. Cancer as an Evolutionary Phenomenon. Lutheran Theological Seminary, Gettysburg, PA. 02/09/09. Cancer as an Evolutionary Phenomenon. The Humanist Association of Connecticut. Hamden, CT, 02/16/09. Why Do Melanomas Get So Dark? Asian Society for Pigment Cell Research, 3rd Meeting. Seoul, South Korea, 06/09. Why Do Melanomas Get So Dark? Pan American Society Pigment Cell Research, Memphis, TN, 09/04/2010 7 2009-Keynote Lecture 2009-Keynote Lecture 2010-Invited Lecture 2010-Participant 2010-Keynote Lecture 2010-Lecture 2010-Keynote Lecture 2010-Lecture 2010-Faculty 2011-Lecture 2011-Lectures 2011-Lecture 2012-Lecture 2012-Lecture 2013-Lecture “The Leukocyte-Cancer Cell Fusion Theory of Metastasis.” Congress on Progenitor cells, Microenvironment, and Cell Fusion in Cancer Progression. Stockholm, Sweden, 10/09. “The role of bone marrow derived cells in the process of metastasis”, Congress of the International Society of Oncology and Biomarkers (ISOBM), Amsterdam, Netherland 9/09. Cancer as an Evolutionary Phenomenon, Dept. Mol Cell Biology Univ. Texas, Dallas, 04/22/10 Eureka Forum, Univ. Texas, Dallas, 04/22/10 Pigmentation Research: Yesterday, Today, and Tomorrow, ASPCR 4th Meeting, Guangzhou, China, 13/06/10 The Colors of Our Skin. Humanist Association of Connectitut, Hamden, CT 9/20/10 Symposium on CD163 and Inflammation, Arhus University, Sandbjerg Estate, Denmark, 8-11 Sept 2010 The Colors of Our Skin. Biology in the Afternoon Seminar Series, Gettysburg College, Gettysburg PA, 9/2910 NCI Workshop on Cell Fusion and Cancer, Bethesda, 16/12/10 “Melanocyte Fusions: Normal and Malignant” World Congress Dermatology/ASPCR, Seoul, S. Korea, 5/11 “Leucocyte-Cancer Fusion in Melanoma”; “Autophagy in Cancer” IPCC 2011, Bordeaux, France 9/11. “Cancer!”, The 13th Robert M. Young Memorial Lecture, Rhode Island College, Providence, RI 11/16/11. “Cell fusion and Cancer”. Van Andel Research Institute, Grand Rapids, MI. 02/27/12 “A melanoma metastasis with a donor-patient hybrid genome following bone marrow transplant.” Dermatology Seminar Series, YSM, 4/11/12 “Key roles for sialyl( -terminated glycans in melanogenesis and melanosome transfer. Pan American Society for Pigment Cell Research, Madison, WI. Sept.8-11, 2013 BIBLIOGRAPHY Original Articles: Pawelek J. Effects of thyroxin and low oxygen tension on chondrogenic expression in cell culture. Devel Biol 19:52-72, 1969. Pawelek J, Godchaux W, Grasso J, Skoultchi A, Eisenstadt J, and Lengyel P. Occurrence of cysteinyl transfer ribonucleic acid with a blocked amino group in rabbit reticulocytes. Bioch Biophys Acta 232:289-305, 1971. Wong G and Pawelek J. Control of phenotypic expression of cultured melanoma cells by melanocyte-stimulating hormones. Nature NB 241:213-215, 1973. 8 Wong G, Pawelek J, Sansone M, and Morowitz J. Response of mouse melanoma cells to melanocyte-stimulating hormone. Localization in the G-2 phase of the cell cycle. Nature 248:351-354, 1974. Varga JM, DiPasquale A, Pawelek J, McGuire J, and Lerner A. Regulation of melanocytestimulating hormone (MSH) action at the receptor level: Discontinuous binding of MSH to synchronized mouse melanoma cells during the cell cycle. Proc Nat Acad Sci USA 71:15901593, 1974. Pawelek J, Sansone M, Morowitz J, Moellmann G, and Godawska E. Genetic control of melanization: Isolation and analysis of amelanotic variants from cultured melanotic melanoma cells. Proc Nat Acad Sci USA 71:1073-1077, 1974. Pawelek J, Sansone M, Koch N, Christie G, Halaban R, Hendee J, Lerner A, and Varga J. Melanoma cells resistant to inhibition of growth by melanocyte-stimulating hormone. Proc Nat Acad Sci USA 72:951-956, 1975. Wong G and Pawelek J. Melanocyte-stimulating hormone activates preexisting tyrosinase molecules in mouse melanoma cells. Nature 255:644-646, 1975. Pawelek J, Halaban R, and Christie G. Melanoma cells with a cyclic AMP growth requirement. Nature 258:539-540, 1975. Korner A and Pawelek J. Activation of melanoma tyrosinase by a cyclic AMP-dependent protein kinase in a cell-free system. Nature 267:444-447, 1977. Breakefield XO, Castiglione CM, Halaban R, Pawelek J, and Shiman R. hydroxylase in melanoma cells. J Cell Physiol 94:265-274, 1978. Phenylalanine Dryja TP, Pawelek JM, and Albert DM. Demonstration of tyrosinase in adult porcine and bovine uveal tracts. Invest Opthalmology, and Vis Sci 17:511-514, 1978. *Pawelek J and Lerner AB. 5',6’-Dihydroxyindole is a melanin precursor exhibiting potent cytotoxicity. Nature 276:627-628, 1978. Pawelek JM. Evidence suggesting that a cyclic AMP-dependent protein kinase is a positive regulator of proliferation in Cloudman S91 melanoma cells. J Cell Physiol 98:619-625, 1979. Pawelek J. A Cyclic AMP requirement for proliferation of Cloudman S91 melanoma cells. Pigment Cell 4:167-176, 1979. Kahn R, Murray M, and Pawelek J. Inhibition of proliferation of Cloudman S91 melanoma cells by insulin and characterization of some insulin resistant variants. J Cell Physiol 103:109-120, 1980. 9 Korner A and Pawelek J. Dopachrome conversion: A possible regulatory point in melanin biosynthesis. J Invest Derm 75:192-195, 1980. Pawelek J, Korner A, Bergstrom A, and Bolognia J. New regulators of melanin biosynthesis and the auto- destruction of melanoma cells. Nature 286:617-619, 1980. Korner A, Murray M, Bergstrom A, and Pawelek J. New control points in melanin biosynthesis and the auto destruction of melanoma cells. Pigment Cell 6:43-49, 1981. Lande S, Pawelek J, Lerner AB, Emanuel JR. Assay of melanotropic peptides in an in vitro mammalian system. J Invest Dermatol. 198;77:244-5. Hearing VJ, Korner A, and Pawelek J. New regulators of melanogenesis are associated with purified tyrosinase isozymes. J Invest Derm 79:16-18, 1982. Korner A and Pawelek J. Mammalian tyrosinase catalyses three reactions in biosynthesis of melanin. Science 217:1163-1165, 1982. Pawelek J, Emanuel J, Kahn R, Murray M, and Fleischmann R. Interactions between insulin and the cyclic AMP system of Cloudman S91 mouse melanoma cells. J Cell Biochem 21:289-297, 1983. Murray M, Pawelek J, and Lamoreux ML. New regulatory factors for melanogenesis: Developmental changes in neonatal mice of various genotypes. Dev Biol 100:120-126, 1983. Pawelek J, Fleischmann R, McLane J, Guillette B, Emanuel J, Korner A, Bergstrom A, and Murray M. Studies on growth and pigmentation of Cloudman S91 melanoma cells. Pigment Cell 6:521-533, 1984. Haring HU, White MF, Kahn CR, Kasuga M, Lauris V, Fleischmann R, Murray M, and Pawelek J. Abnormality of insulin binding and receptor phosphorylation in an insulin-resistant melanoma line. J Cell Biol 99:900-908, 1984. Fleischmann RD and Pawelek JM. Evidence that a 90,000 Dalton phosphoprotein, an associated kinase, and a specific phosphatase are involved in the regulation of melanoma cell proliferation by insulin. Proc Nat Acad Sci USA 82:1007-1011, 1985. Pawelek JM. Studies on the Cloudman melanoma cell line as a model for the action of MSH. Yale J Biol and Med 58:571-578, 1985. Pawelek J and Murray M. Increase in melanin formation and promotion of cytotoxicity in cultured melanoma cells caused by phosphorylated isomers of L-dopa. Cancer Research 46:492493, 1986. Bolognia J and Pawelek J. L-dopa regulates proliferation of melanoma cells. J Invest Derm 87:420, 1986. 10 McLane J, Osber M, and Pawelek JM. Phosphorylated isomers of L-dopa stimulate MSH Binding capacity and responsiveness to MSH in cultured melanoma cells. Bioch Biophys Res Comm 145:719-725, 1987. Agin PP, Sayre RM, and Pawelek JM. Phosphorylated mixed isomers of L-dopa increase melanin content in skins Skh-2 pigmented hairless mice. Pigment Cell Res 1:137-142, 1987. Slominski A and Pawelek J. MSH binding in Bomirski amelanotic hamster melanoma cells is stimulated by L-tyrosine. Bioscience Reports 7:949-954, 1987. Slominski A, Moellmann G, Kuklinska E, Bomirski A, and Pawelek J. Positive regulation of melanin pigmentation by two key substrates of the melanogenic pathway: L-tyrosine and L-dopa. J Cell Science 89:287-296, 1988. McLane J and Pawelek JM. Receptors for -MSH in synchronized Cloudman melanoma cells exhibit positive cooperativity in the late S and G2 phase of the cell cycle. Biochemistry, 27:3743-3747, 1988. Bolognia J, Murray M, and Pawelek J. Evidence that UVB-induced melanogenesis is mediated through the MSH receptor system. J Invest Dermatol 92:651-656, 1989. Slominski A, Jastreboff P, and Pawelek J. L-tyrosine stimulates induction of tyrosinase activity by MSH and reduces cooperative interactions between MSH receptors in hamster melanoma cells. Biosci Rep 9:579-586, 1989. Pawelek JM. Is human melanogenesis stimulated by cyclic AMP? J Invest Dermatol 94:499500, 1990. Pawelek JM. Dopachrome conversion factor functions as an isomerase. Bioch Biophys Res Comm 166:1328-1333, 1990. Orlow S, Chakraborty AK, and Pawelek J. Retinoic acid is a potent inhibitor of inducible pigmentation in mouse and hamster melanoma cells. J. Invest. Derm. 94:461-464, 1990. Orlow S, Hotchkiss S, and Pawelek J. Internal binding sites for MSH in wild type and variant Cloudman melanoma cells. J Cell Phys 142:129-136, 1990. Bolognia J, Murray-Gonzales M, and Pawelek J. Hairless pigmented guinea pigs: A new animal model for studies of the pigmentary system. Pigment Cell Research 3:150-156, 1990. Orlow S, Chakraborty AK, Boissy R, and Pawelek J. Inhibition of induced melanogenesis in Cloudman melanoma cells by four phenotypic modifiers. Exp. Cell Res. 191:209-218, 1990. Chakraborty AK, Orlow SJ, and Pawelek JM. Stimulation of melanocyte-stimulating hormone receptors by retinoic acid. FEBS Lett. 276:205-208, 1990. 11 Birchall N, Orlow SJ, Kupper T, and Pawelek J. Ultraviolet light regulates IL-1 production, and IL-1 regulates MSH binding in both mouse melanoma and human squamous carcinoma cells. Bioch. Biophys. Res. Comm. 175:839-845, 1991. Chakraborty AK, Orlow SJ, Bolognia J, and Pawelek J. Structural/functional relationships between internal and external MSH receptors: Modulation of expression in Cloudman melanoma cells by UVB radiation. J. Cell. Physiol., 147:1-6, 1991. Pawelek J. After Dopachrome? Pigment Cell Res 4:53-62, 1991. Chakraborty AK, Orlow SJ, and Pawelek JM. Evidence that dopachrome tautomerase is a ferrous iron-binding glycoprotein. FEBS Lett, 302:126-128, 1992. Orlow SJ, Chakraborty AK, and Pawelek JM. Membrane glycoproteins common to vesicles and melanosomes in mouse melanoma cells. Pigment Cell Res Suppl 2: 162-170, 1992. Pawelek JM, Orlow SJ, and Osber MP. Synthesis and characterization of melanins from dihydroxyindole-2-carboxylic acid and dihydroxyindole. Pigment Cell Res 5:113-121, 1992. Slominski A, McNeely T, and Pawelek J. Defect of insulin receptor in insulin-resistant variants of Cloudman S91 mouse melanoma cells. Melanoma Res 2:115-122, 1992. Pawelek JM, Chakraborty AK, Osber MP, Orlow SJ, Min KK, Rosenzweig KE, and Bolognia, JL. Molecular cascades in UV-induced melanogenesis: A central role for melanotropins? Pigment Cell Res 5:348-356, 1992. Chakraborty AK and Pawelek J. Upregulation of MSH receptor by MSH in Cloudman melanoma cells. Biochem Biophys Res Comm 188:1325-1331, 1992. Chakraborty AK and Pawelek J. MSH receptors in immortalized human epidermal keratinocytes: A potential mechanism for coordinate regulation of the epidermal melanin unit. J Cell Physiol 157:344-350, 1993. Pawelek JM. Melanoma as a macrophage/melanocyte hybrid and the symbiotic nature of eukaryotic cells. Melanoma Res 3:75-76, 1993. Orlow, SJ, Zhou B, Chakraborty AK, Drucker M, Pifko-Hirst S, and Pawelek JM. High molecular weight forms of tyrosinase and the tyrosinase-related proteins: evidence for a melanogenic complex. J. Invest. Derm. 103:196-201, 1994. Chakraborty AK, Bolognia JL, Orlow SJ, Sodi SA, and Pawelek, JM. The biochemistry of skin pigmentation and its relation to melanoma. J. Indian Chem. Soc. 71:489-494, 1994. Bolognia JL, Sodi SA, Chakraborty AK, Fargnoli MC, and Pawelek JM. Effects of ultraviolet irradiation on the cell cycle. Pigment Cell Research 7:320-325, 1994. 12 Bolognia JL, Sodi SA, Osber MP, and Pawelek J. Enhancement of the depigmentary effects of hydroquinone by buthionine sulfoximine. Br. J. Dermatol. 133:349-357, 1995. Chakraborty A, Slominski A, Ermak G, Hwang J, and Pawelek J. Ultraviolet B and melanocytestimulating hormone (MSH) stimulate mRNA proopiomelanocortin-derived peptides in mouse melanoma cells and transformed keratinocytes. J Invest Dermatol 105:655-659, 1995. Chakraborty AK, Platt JT, Kim KK, Kwon BS, Bennett DC, and Pawelek JM. Superoxidedependent polymerization of DHICA to melanin by the si (silver) locus protein, PMEL-17. Eur J Biochem 236:180-188, 1996. Chakraborty AK, Funasaka Y, Slominski A, Ermak G, Hwang J, Pawelek JM, and Ichihashi M. Production and release of proopiomelanocortin (POMC) derived peptides by human melanocytes and keratinocytes in culture: regulation by ultraviolet B. BBA, 1313:130-138, 1996. Slominski A, Baker J, Ermak G, Chakraborty A, and Pawelek J. Ultraviolet B stimulates production of corticotropin releasing factor (CRF) by human melanocytes. FEBS Letters 399:175-176, 1996. Pawelek J, Low KB, and Bermudes D. Tumor-targeted Salmonella as a novel anti-cancer vector. Cancer Res 57:4537-4544, 1997. Rachkovsky MS, Sodi S, Chakraborty A, Avissar Y, Bolognia J, Madison J, Bermudes D, and Pawelek J. Enhanced metastatic potential of melanoma x macrophage fusion hybrids. Clin Exp Metastasis 16: 299-312, 1998. Sodi S.A., Chakraborty A.K., Platt J.T., Kolesnikova, N., Rosemblat, S., Keh-Yen, A., Bolognia, J.L., Rachkovsky, M.L., Orlow, S.J., and Pawelek, J.M. Melanoma x macrophage fusion hybrids acquire increased melanogenesis and metastatic potential: Altered Nglycosylation as an underlying mechanism. Pigment Cell Res. 11: 299-309, 1998. Funasaka Y; Chakrabortry AK; Hayashi Y; Komoto M; Ohashi A; Nagahama M; Inoue T; Pawelek J; and Ichihashi M. Modulation of melanocyte stimulating hormone receptor expression on normal human melanocytes: evidence for a regulatory role of ultraviolet B, interleukin-1a, interleukin-1b, endothelin and tumor necrosis factor-alpha. British J. Dermatology, 139, 216-224, 1998. Pawelek, J.M. MelaSynTM: A new self-tanner with sun protective qualities. DCI 163: 28-33, Oct. 1998. Low, K.B. Ittensohn, M., Le T., Platt, J., Sodi, S., Amoss, M., Ash, O., Carmichael, E., Chakraborty, A., Fischer, J., Lin, S.L., Luo, X., Miller, S.I., Zheng, L-m., King, I., Pawelek, induction retain tumor-targeting in vivo. Nature Biotechnology 17: 37-41, 1999. 13 Rachkovsky, M. and Pawelek, J. Acquired melanocyte stimulating hormone-inducible chemotaxis following macrophage fusion with Cloudman S91 melanoma cells. Cell Growth and Differentiation 10: 515-524, 1999. Chakraborty, A.K., Funasaka, Y., Ichihashi, M., Sodi, S., Bhattacharya, M., and Pawelek, J. Upregulation of mRNA for the melanocortin-1 receptor but not for melanogenic proteins in macrophage x melanoma fushion hybrids exhibiting increased melanogenic and metastatic potential. Pig. Cell Res. 12: 355-366, 1999. Chakraborty AK, Funasaka Y, Pawelek JM, Nagahama M, Ito A, Ichihashi M. Enhanced expression of melanocortin-1 receptor (MC1-R) in normal human keratinocytes during differentiation: evidence for increased expression of POMC peptides near suprabasal layer of epidermis. J Invest Dermatol. 1999;112:853-60. Pawelek, J. M., Chakraborty, A. K., Rachkovsky, M. L., Orlow, S. J., Bolognia, J. L., and Sodi, S. A. Altered N-glycosylation in macrophage x melanoma fusion hybrids. Cell. Mol. Biol., 45: 1011-1027, 2000. Chakraborty, A., Sodi, S., Rachkovsky, M., Kolesnikova, N., Platt, J., Bolognia, J. and Pawelek, J. A spontaneous murine melanoma lung metastasis comprised of host x tumor hybrids. Cancer Research 60: 2512-2519, 2000. Platt, J., Sodi, S., Kelley, M., Rockwell, S., Bermudes, D., Low, K.B., and Pawelek, J. Antitumor effects of genetically engineered Salmonella in combination with radiation. Eur. J. Cancer 36: 2397-2402, 2000. Clairmont, C., Lee, K.C., Pike, J., Ittensohn, M., Low, K.B., Pawelek, J., Bermudes, D., Brecher, S.M., Margitich, D., Turnier, J., Li, Z., Luo, X., King, I., and Zheng, L.M. Biodistribution and genetic stability of the novel antitumor agent VNP20009, a genetically modified strain of Salmonella typhimurium. J. Infect. Diseases 181: 1996-2002, 2000. Araki, K., Horikawa, T., Chakraborty, A.K., Nakagawa, K., Itoh, H., Oka, M., Funasaka, Y., Pawelek, J., Ichihashi, M. Small GTPase RAB3A is associated with melanosomes in melanoma cells. Pigment Cell Res 13(5): 332-336, 2000. Chakraborty, A,K., Pawelek, J.M, Ikeda, Y., Miyoshi, E., Kolesnikova, N., Funasaka, Y., Ichihashi, M., and Tanaguchi, N. Macrophage fusion up-regulates N-acetylglucosaminyltransferase V, melanoma cells. Cell Growth and Differentiation 12: 623-630, 2001. Chakraborty AK, de Freitas Sousa J, Espreafico EM, Pawelek JM. Human monocyte x mouse melanoma fusion hybrids express human gene. Gene 275:103-6, 2001. Pawelek JM, Sodi S, Chakraborty AK, Platt JT, Miller S, Holden DW, Hensel M, Low KB. Salmonella pathogenicity island-2 and anticancer activity in mice. Cancer Gene Ther.10: 813- 14 818, 2002. Chakraborty, A.K. and Pawelek, J.M. GnT-V, macrophages, and cancer metastasis: A common link. Clin. Exp. Metastasis 20: 365-373, 2003. Handerson, T., and Pawelek, J. 1,6-branched oligosaccharides and coarse vesicles: A common and pervasive phenotype in melanoma and other human cancers. Cancer Res. 63: 5363-5369, 2003. Pawelek, J., Low, K.B., and Bermudes, D. Bacteria as tumour-targeting vectors. Lancet Oncol. 4 (9): 548-556, 2003. Chakraborty, A.K., Kolesnikova, N., de Freitas Sousa, J., Espreafico, E.M., Chagas Peronni, K., and Pawelek, J. Expression of c-met proto-oncogene in metastatic macrophage x melanoma fusion hybrids: Implication of its possible role in MSH-induced motility. Oncol. Res. 14: 163174, 2003. Rupani, R., Handerson, T., and Pawelek, J. Co-localization of 1,6-branched oligosaccharides and coarse melanin in macrophage-melanoma fusion hybrids and human melanoma cells in vitro. Pigment Cell Res. 17: 281-288, 2004. Chakraborty A, Lazova R, Davies S, Bäckvall H, Ponten F, Brash D, Pawelek J. Donor DNA in a renal cell carcinoma metastasis from a bone marrow transplant recipient. Bone Marrow Transplant. 2004, 34:183-6. Handerson, T., Camp, R., Harigopal, M., Rimm, D., and Pawelek, J. -Branched oligosaccharides are associated with metastasis and predict poor outcome in breast carcinoma. Clin. Can. Res. 11: 2969-2973, 2005. Yilmaz, Y., Lazova, R., Qumsiyeh, M., Cooper, D., and Pawelek, J. Donor Y chromosome in renal carcinoma cells of a female BMT recipient. Bone Marrow Transplant 35:1021-1024, 2005. Siddiqui SF, Pawelek J, Handerson T, Lin CY, Dickson RB, Rimm DL, Camp RL. Coexpression of beta1,6-N-acetylglucosaminyltransferase V glycoprotein substrates defines aggressive breast cancers with poor outcome. Cancer Epidemiol Biomarkers Prev. 14:2517-2523, 2005. Pawelek, J. Tumor cell fusion as a source of myeloid traits in cancer. The Lancet Onclogy 6: 988-993, 2005. (accompanying commentary: Friedl P. Cell fusion: new mechanisms of plasticity in cancer? Lancet Oncol. 2005;12:916-918.) Chakraborty AK, de Frietas Sousa J, Chakraborty D, Funasaka Y, Bhattacharya M, Chatterjee A, Pawelek J. GnT-V expression and metastatic phenotypes in macrophage-melanoma fusion hybrids is down-regulated by 5-Aza-dC: Evidence for methylation sensitive, extragenic regulation of GnT-V transcription. Gene. 2006 Gene. 374:166-73. 15 Valencia JC, Hoashi T, Pawelek JM, Solano F, Hearing VJ. Pmel17: controversial indeed but critical to melanocyte function. Pigment Cell Res. 2006;19:250-2; author reply 253-7. Handerson T, Berger A, Harigopol M, Rimm D, Chikako N, Ueda M, Miyoshi E, Taniguchi N, Pawelek J. Melanophages reside in hypermelanotic, aberrantly glycosylated tumor areas and predict improved outcome in primary CMM. J. Cutaneous Pathol, 34: 667-738, 2007. Chakraborty AK, Pawelek, JM. 1,6-branched oligosaccharides regulate melanin content and motility in macrophage-melanoma fusion hybrids. Melanoma Res, 2007 17: 9-16. Pawelek J. Viewing malignant melanoma cells as macrophage-tumor hybrids. Cell Adhesion and Migration 2007; 1:2-6. Pawelek JM, Chakraborty AK. Fusion of tumour cells with bone marrow-derived cells: a unifying explanation for metastasis. Nature Reviews Cancer 8: 377-386, 2008. Pawelek JM, Chakraborty AK. The cancer cell--leukocyte fusion theory of metastasis. Adv Cancer Res. 2008;101:397-444. Lazova R, Pawelek J. Why do melanomas get so dark? Exptl Dermatol, 2009;18:934-938 Chakraborty AK, Funasaka Y, Ichihashi M, Pawelek JM. Upregulation of alpha and beta integrin subunits in metastatic macrophage-melanoma fusion hybrids. Melanoma Res 2009, 19:343-349. Lazova R, Klump V, Pawelek J. Autophagy in cutaneous malignant melanoma. J. Cutan Pathol, 2010;37:256-268. Lazova R, Chakraborty A, Pawelek JM. Leukocyte-Cancer Cell Fusion: Initiator of the Warburg Effect in Malignancy? Adv Exp Med Biol. 2011;714:151-172. Lazova R, Chakraborty AK and Pawelek JM. Cancer cell fusion with myeloid cells: Implications for energy metabolism in malignant hybrids. Cell fusions: Regulation and control. L.-I. Larsson (ed.), Cell Fusions, DOI 10.1007/978-90-481-9772-9_16, 351. Springer Science+Business Media B.V. 2011 Lazova R, Camp RL, Klump V, Siddiqui S, Amaravadi RK, Pawelek JM. Punctate LC3B expression is a common feature of solid tumors and associated with proliferation, metastasis and poor outcome. Clin Cancer Res. 2012;18:370-9. Slominski A, Zmijewski MA, Pawelek J. L-tyrosine and L-dihydroxyphenylalanine as hormonelike regulators of melanocyte functions. Pigment Cell Melanoma Res 2012, 25: 14-27. Klionsky et al. Guidelines for the use and interpretation of assays for monitoring autophagy. Autophagy 2012, 8:4, 1–100. 16 Low, K. B., Murray, S. R., Pawelek, J. and Bermudes, D. Isolation and Analysis of Suppressor Mutations in Tumor-Targeted msbB Salmonella, In R. Hoffman (ed), Bacterial Therapy of Cancer: Methods and Protocols, Humana Press, 2014. Rossitza Lazova, Greggory S. LaBerge, Eric Duvall, Nicole Spoelstra, Vincent Klump, Mario Sznol, Dennis Cooper, Richard A. Spritz, Joseph T. Chang, John M. Pawelek (2013). A Melanoma Brain Metastasis with a Donor-Patient Hybrid Genome following Bone Marrow Transplantation: First Evidence for Fusion in Human Cancer. PLoS ONE 8(6): e66731. doi:10.1371/journal.pone.0066731. Yale press release http://news.yale.edu/2013/06/26/how-cancer-spreads-metastatictumor-hybrid-cancer-cell-and-white-blood-cell. Univ Colorado press release www.coloradocancerblogs.org. Gettysburg College press release: http://www.gettysburg.edu/news_events/press_release_detail.dot?id=3434647 Reviews and Book Chapters: Pawelek J, Wong G, Sansone M, and Morowitz J. Molecular controls in mammalian pigmentation. Yale J Biol and Med 46:430-443, 1973. Pawelek J. Factors regulating growth and melanization in mammalian melanoma cells. J Invest Derm (Review Article), 66:201-209, 1976. Pawelek JM. Melanoma cells in "Cell Culture" (A volume of Methods in Enzymology) Kokoby WB, and Pastan I. eds. Academic Press, Inc., New York, Vol. LVII, pp. 564-570, 1978. Lerner AB, Moellmann G, Varga JM, Halaban R, and Pawelek J. "Action of melanocytestimulating hormone on pigment cells" in Hormones and Cell Culture, Cold Spring Harbor Conferences on Cell Proliferation, Vol. 6, pp. 187-197, 1979. Pawelek JM and Korner A. The Biosynthesis of Melanin in Mammals. American Scientist, 70:136-145, 1982. Pawelek JM, Murray M, and Fleischmann R. "A genetic approach to studies of insulin action" in Growth of Cells in Hormonally Defined Media, Cold Spring Harbor Conferences on Cell Proliferation, 9:911-919, 1982. Pawelek J. "Regulation of Pigmentation and Proliferation of Cultured Melanocytes" in Cell Culture Methods in Molecular and Cellular Biology, Vol. 4, (DW Barnes, DA Sirbaski, GH Sato, eds.), Alan R. Liss, Inc., NY, pp 57-66, 1984. Bolognia JL, Ferreira JA, Lerner AB, and Pawelek J. "Disorders of Pigmentation" in Basic Science of Cutaneous Surgery, ed. R. Rudolph, CV Mosby Co., St. Louis, pp 282-296, 1986. 17 Pawelek J, Bolognia J, McLane J, Murray M, Osber M, and Slominski A. A possible role for melanin precursors in regulating both pigmentation and proliferation of melanocytes in "Progress in Clinical Biological Research" 256:143-154, 1988, Alan R. Liss, Inc., New York. Pawelek J, McLane J, and Osber M. "Melanogenesis" in The Melanotropic Peptides Vol. III M. Hadley, ed., CRC Press, Boca Raton, FL, pp. 47-58, 1988. Bolognia JL and Pawelek J. Biology of Hypopigmentation. J Amer Acad Derm 19:217-258, 1988. (Continuing Medical Education Article) Pawelek J, Bolognia JL, Chakraborty AK, Murray-Gonzalez M, and Orlow SJ. "Biology of melanoma" in: Cutaneous melanoma: Biology and Management. Cascinelli N, Santinami M and Veronesi U, eds. Masson Co., Milano, pp 3-16, 1990. Pawelek JM and Osber MP. "Synthesis of 125I-Labelled ß-Melanotropin and Assay of Melanotropin Receptors" in Methods in Neurosciences Vol. 5, ed. P.M. Conn. Academic Press, Inc., San Diego, pp 354-361, 1991. Pawelek JM, Chakraborty AK, Osber MP, and Bolognia J. Ultraviolet light and pigmentation of the skin. Cosmetics and Toiletries, 107:1-7, 1992. Pawelek JM. POMC in skin: New possibilities for regulation of skin physiology. Lab Clin Invest (Editorial), J. Lab. Clin. Med., 122: 627-628, 1993. Pawelek J, Platt J, Pugliese PT, and Chakraborty AK. Enzymatic and non-enzymatic synthesis of melanins. In Melanin: Its role in Human Photoprotection. Valdenmar Publishing Co., Overland Park, KS. pp 109-115, 1995. Pawelek J and Chakraborty AK. "The Enzymology of Melanogenesis" in The Pigmentary System and Its Disorders. (eds. Nordland JJ, Boissy RE, Hearing VJ, King RA, and Ortonne JP) Oxford University Press, 391-400, 1998. Slominski A and Pawelek J. Animals under the sun: effects of UV radiation on mammalian skin. Clinics in Dermatol. 16: 503-515, 1998. Chakraborty AK, Funasaka Y, Slominski A, Bolognia J, Sodi S, Ichihashi M, Pawelek JM. UV light and MSH receptors. Ann N Y Acad Sci. 1999;885:100-16. Bermudes, D., Low, B., and Pawelek, J. Tumor-targeted Salmonella: Highly selective delivery vectors. In Cancer Gene Therapy: Past achievements and future challenges, N. Habib (ed), Plenum Press, 75-63, 1999. Bermudes, D., Low, B., and Pawelek, J. Tumor-targeted Salmonella: Strain development and expression of the HSV TK effector gene. In: Gene Therapy: Methods and Protocols, W. Walther and U. Stein eds. 2000. Humana Press, Totowa, NJ, Vol 35: 419-436. 18 Bermudes, D., Low, K.B., Pawelek, J., Sznol, M., Belcourt, M., Zheng, L-m, and King, I. Tumor-specific Salmonella-based cancer therapy. Stephen E. Harding (ed) Biotechnology and Genetic Engineering Rev. 18: 219-233, 2001. Pawelek, J.M. Tumor Cell Hybridization and Metastasis Revisited. Melanoma Res. 10: 507-514, 2000. Pawelek, J.M. Review - Innovative Technology: Approaches to Increasing Skin Melanin with MSH Analogs and Synthetic Melanins. Pigment Cell Res. 14: 155-160, 2001. Low, K.B., Ittenshohn, M., Luo, X., Zheng, L.M., King, I., Pawelek, J.M., and Bermudes, D. Construction of VNP20009: a novel, genetically stable antibiotic-sensitive strain of tumortargeting Salmonella for parenteral administration in humans. Methods Mol Med. 90: 47-60, 2004. Pawelek J, Chakraborty A, Lazova R, Yilmaz Y, Cooper D, Brash D, Handerson T. Co-Opting Macrophage Traits in Cancer Progression: A Consequence of Tumor Cell Fusion? Contrib Microbiol. 2006;13:138-155. Pawelek JM. Cancer cell fusion with migratory bone marrow-derived cells as an explanation for metastasis: new therapeutic paradigms. Future Oncol. (2008) 4:449-52. Pawelek, J.M. Does Fusion Therapy Have a Role in Cancer? Genetic Engineering and Biotechnology News. vol 29 (No. 2): 46, Jan 15, 2009. 19