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Interleukin-15 enhances cellular proliferation and
upregulates CNS homing molecules in pre-B acute
lymphoblastic leukemia
by Mark T. S. Williams, Yasar Yousafzai, Charlotte Cox, Allison Blair, Ruaidhrí
Carmody, Shuji Sai, Karen E. Chapman, Rachel McAndrew, Angela Thomas, Alison
Spence, Brenda Gibson, Gerard J. Graham, and Christina Halsey
Blood
Volume 123(20):3116-3127
May 15, 2014
©2014 by American Society of Hematology
IL-15 and IL-15 receptor expression by pre-B ALL cells and correlation with CNS infiltration.
Mark T. S. Williams et al. Blood 2014;123:3116-3127
©2014 by American Society of Hematology
Pre-B ALL primary cells and SD-1 cells show increased growth in the presence of IL-15.
Mark T. S. Williams et al. Blood 2014;123:3116-3127
©2014 by American Society of Hematology
IL-15 has no effect on apoptosis in SD-1 cells.
Mark T. S. Williams et al. Blood 2014;123:3116-3127
©2014 by American Society of Hematology
IL-15 promotes growth of SD-1 cells under low-serum conditions, which is independent of
apoptosis.
Mark T. S. Williams et al. Blood 2014;123:3116-3127
©2014 by American Society of Hematology
IL-15 is not directly chemotactic but induces expression of molecules associated with leukocyte
trafficking.
Mark T. S. Williams et al. Blood 2014;123:3116-3127
©2014 by American Society of Hematology
STAT5 and ERK1/2 signaling pathways are activated by IL-15 in SD-1 cells.
Mark T. S. Williams et al. Blood 2014;123:3116-3127
©2014 by American Society of Hematology
IL-15–induced proliferation of SD-1 cells is mediated via the MEK/ERK signaling pathway.
Mark T. S. Williams et al. Blood 2014;123:3116-3127
©2014 by American Society of Hematology
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