A systems view of epigenetic networks regulating pancreas
... It is clear from these studies that the chromatin undergoes important alterations that are highly regulated as cells transition from an undifferentiated to a differentiated state. In pluripotent embryonic stem (ES) cells, a majority of developmental genes that contain the repressive H3K27me3 mark is ...
... It is clear from these studies that the chromatin undergoes important alterations that are highly regulated as cells transition from an undifferentiated to a differentiated state. In pluripotent embryonic stem (ES) cells, a majority of developmental genes that contain the repressive H3K27me3 mark is ...
Polarization of Thyroid Cells in Culture
... (a) Culture on attached or floating collagen gel. 2 ml of the cell suspension were plated in 35-mm petri dishes coated with a layer of hydrated collagen gel prepared from acetic acid-soluble rat tail tendon collagen (500 #1 of gel/35-mm dish) (4). Within 2 to 3 d, the cells formed a confluent monola ...
... (a) Culture on attached or floating collagen gel. 2 ml of the cell suspension were plated in 35-mm petri dishes coated with a layer of hydrated collagen gel prepared from acetic acid-soluble rat tail tendon collagen (500 #1 of gel/35-mm dish) (4). Within 2 to 3 d, the cells formed a confluent monola ...
Seminars in Cancer Biology Invasion emerges from cancer cell
... that emerge at the next higher scale. Applying this perspective to cancer progression, invasion can be viewed as a property of the tissue scale that emerges from the population behavior of individual cells at the lower scale. Of course, individual cell behavior is influenced by the mE, a composite of ...
... that emerge at the next higher scale. Applying this perspective to cancer progression, invasion can be viewed as a property of the tissue scale that emerges from the population behavior of individual cells at the lower scale. Of course, individual cell behavior is influenced by the mE, a composite of ...
fundamentals-of-human-physiology-4th-edition-lauralee
... Exocytosis is the mechanism by which materials from the inside of the cell are released to the exterior. During exocytosis cells secrete materials into the ECF. Endocytosis is the opposite of exocytosis. It is the internalization of extracellular material by the cell. There are three forms of endocy ...
... Exocytosis is the mechanism by which materials from the inside of the cell are released to the exterior. During exocytosis cells secrete materials into the ECF. Endocytosis is the opposite of exocytosis. It is the internalization of extracellular material by the cell. There are three forms of endocy ...
Six Kingdoms
... membrane. Some (6) _______protists________________ , such as the one-celled (7) __________amoeba_____________ and paramecium, feed on other organisms. Others, such as the one-celled euglena or the many-celled algae, make their food by photosynthesis. Other examples of the protist kingdom are diatoms ...
... membrane. Some (6) _______protists________________ , such as the one-celled (7) __________amoeba_____________ and paramecium, feed on other organisms. Others, such as the one-celled euglena or the many-celled algae, make their food by photosynthesis. Other examples of the protist kingdom are diatoms ...
Development of the liver in the chicken embryo
... plates of mammals are arranged radially with respect to central veins, organizing the tissue of the liver into lobules (Elias, 1949a,b). The avian liver, on the other hand, is a mass of branching, hollow cords, and the bile canaliculi are represented by the lumina of the cords (Romanoff, 1960). Ther ...
... plates of mammals are arranged radially with respect to central veins, organizing the tissue of the liver into lobules (Elias, 1949a,b). The avian liver, on the other hand, is a mass of branching, hollow cords, and the bile canaliculi are represented by the lumina of the cords (Romanoff, 1960). Ther ...
No Slide Title
... There are about 1 million islets, Provided by David Zhiyong Gao, Ph.D. comprising 1 to 2% of the total volume of the pancreas. Islets have a central core of insulin producing ß-cells surrounded by cells that produce other pancreatic hormones such as glucagon (alphacells), somatostatin (D or delta-ce ...
... There are about 1 million islets, Provided by David Zhiyong Gao, Ph.D. comprising 1 to 2% of the total volume of the pancreas. Islets have a central core of insulin producing ß-cells surrounded by cells that produce other pancreatic hormones such as glucagon (alphacells), somatostatin (D or delta-ce ...
Gastrulation dynamics: cells move into focus - MPI
... diverse embryonic cell types into separate tissues, which involves the movement of cells relative to each other, might be a result of their different adhesive properties [4]. Once segregated, this differential adhesiveness would also enable the various populations of cells to remain separated from e ...
... diverse embryonic cell types into separate tissues, which involves the movement of cells relative to each other, might be a result of their different adhesive properties [4]. Once segregated, this differential adhesiveness would also enable the various populations of cells to remain separated from e ...
bemer - Anatara Medicine
... BEMER therapy improves macro-circulation (dilation of blood vessels) and micro-circulation (opening capillaries which may not be wide enough to deliver nutrients and remove waste) using pulsed magnetic field technology. Capillaries often require de-clumping of sorts so that red blood cells can flow ...
... BEMER therapy improves macro-circulation (dilation of blood vessels) and micro-circulation (opening capillaries which may not be wide enough to deliver nutrients and remove waste) using pulsed magnetic field technology. Capillaries often require de-clumping of sorts so that red blood cells can flow ...
Juice/Broth Cleansing Program
... nourishment, or only a limited amount of nourishment during a juice fast, is supplied. But this is nevertheless a physiological fact. During the famous Swedish fast marches, when first 11 and then 19 men walked from Gothenburg to Stockholm, a distance of over 325 miles, in 10 days while on a total f ...
... nourishment, or only a limited amount of nourishment during a juice fast, is supplied. But this is nevertheless a physiological fact. During the famous Swedish fast marches, when first 11 and then 19 men walked from Gothenburg to Stockholm, a distance of over 325 miles, in 10 days while on a total f ...
cnidarian key
... •undigested wastes are expelled through mouth(therefore sac body plant) Symbiotic Relationships (describe how many cnidarians are dependent on photosynthetic symbionts): many have photosynthetic protists (algae/dinoflagellates) growing inside gastroderm cells Protists uses CO2 and other metabolic wa ...
... •undigested wastes are expelled through mouth(therefore sac body plant) Symbiotic Relationships (describe how many cnidarians are dependent on photosynthetic symbionts): many have photosynthetic protists (algae/dinoflagellates) growing inside gastroderm cells Protists uses CO2 and other metabolic wa ...
Nuclear Localization of the Parafibromin Tumor Suppressor Protein
... regulatory complex. The mechanism by which loss of parafibromin function can lead to neoplastic transformation is poorly understood. Because the subcellular localization of parafibromin is likely to be critical for its function with the nuclear PAF1 complex, we sought to experimentally define the nu ...
... regulatory complex. The mechanism by which loss of parafibromin function can lead to neoplastic transformation is poorly understood. Because the subcellular localization of parafibromin is likely to be critical for its function with the nuclear PAF1 complex, we sought to experimentally define the nu ...
virus
... 1. Viral diseases cannot be treated with antibiotics. 2. Vaccines are the best way to protect against viruses a) A vaccine is a dead or weakened version of a virus that is injected into a person to stimulate the ...
... 1. Viral diseases cannot be treated with antibiotics. 2. Vaccines are the best way to protect against viruses a) A vaccine is a dead or weakened version of a virus that is injected into a person to stimulate the ...
The Mitotic Arrest in Response to Hypoxia and of Polar Bodies
... anoxia survival [25]. Anoxia arrests mitotic cells not only in C. elegans embryos [25], but also in Drosophila embryos [26, 27]. In Drosophila, precellularization embryos that are confronted with oxygen limitation during prophase arrest cell cycle progression rapidly and reversibly in metaphase. Hyp ...
... anoxia survival [25]. Anoxia arrests mitotic cells not only in C. elegans embryos [25], but also in Drosophila embryos [26, 27]. In Drosophila, precellularization embryos that are confronted with oxygen limitation during prophase arrest cell cycle progression rapidly and reversibly in metaphase. Hyp ...
A1984SX34500001
... that is widely read. In addition, investigators over the years may have continued to cite an attractive hypothesis that survived in part because it was so difficult to test in vivo. "Now immunologists can clone and propagate functionally specific leukocytes and lymphocytes in tissue culture and stud ...
... that is widely read. In addition, investigators over the years may have continued to cite an attractive hypothesis that survived in part because it was so difficult to test in vivo. "Now immunologists can clone and propagate functionally specific leukocytes and lymphocytes in tissue culture and stud ...
Classification of Microorganisms Classification of Microorganisms
... • Separate double stranded DNA from two organisms into single strands by using heat • Allow them to cool together • Will anneal at complementary bases • Measure degree of similarity • Can also compare DNA from one organism with RNA from another = Southern ...
... • Separate double stranded DNA from two organisms into single strands by using heat • Allow them to cool together • Will anneal at complementary bases • Measure degree of similarity • Can also compare DNA from one organism with RNA from another = Southern ...
Coupling the cell cycle to cell growth
... does the same in E. coli (Løbner-Olesen et al., 1989). Nonetheless, it is not obvious that the two proteins are rate-limiting for S-phase entry in vivo; they may simply be mediators of the regulatory signal. Thus, it is important to discriminate between the primary regulators (the parameters that no ...
... does the same in E. coli (Løbner-Olesen et al., 1989). Nonetheless, it is not obvious that the two proteins are rate-limiting for S-phase entry in vivo; they may simply be mediators of the regulatory signal. Thus, it is important to discriminate between the primary regulators (the parameters that no ...
Cell cycle: The bacterial approach to coordination
... lethal under laboratory conditions, but cause approximately one to two percent of the cells in a growing culture to be anucleate [6]. This frequency is 100-fold greater than that of wild-type cells and indicates that, while there are clearly other mechanisms contributing to the fidelity of chromosom ...
... lethal under laboratory conditions, but cause approximately one to two percent of the cells in a growing culture to be anucleate [6]. This frequency is 100-fold greater than that of wild-type cells and indicates that, while there are clearly other mechanisms contributing to the fidelity of chromosom ...
Biophysics
... Osmosis is a special case of diffusion. It involves the diffusion of water through the semi permeable membrane to equalise the concentration of solutions on its two sides ...
... Osmosis is a special case of diffusion. It involves the diffusion of water through the semi permeable membrane to equalise the concentration of solutions on its two sides ...
concept - Oslo University Hospital
... does the same in E. coli (Løbner-Olesen et al., 1989). Nonetheless, it is not obvious that the two proteins are rate-limiting for S-phase entry in vivo; they may simply be mediators of the regulatory signal. Thus, it is important to discriminate between the primary regulators (the parameters that no ...
... does the same in E. coli (Løbner-Olesen et al., 1989). Nonetheless, it is not obvious that the two proteins are rate-limiting for S-phase entry in vivo; they may simply be mediators of the regulatory signal. Thus, it is important to discriminate between the primary regulators (the parameters that no ...
The plant cytoskeleton - The Company of Biologists
... (Roelofsen & Houwink, 1953), which holds that axial fibrils should only occur in the outer wall layers as a result of originally transverse inner layers being re-aligned by cell extension. One alternative explanation is that some of the primary wall texture is generated by the advancing tip. It is t ...
... (Roelofsen & Houwink, 1953), which holds that axial fibrils should only occur in the outer wall layers as a result of originally transverse inner layers being re-aligned by cell extension. One alternative explanation is that some of the primary wall texture is generated by the advancing tip. It is t ...
Chromatin plasticity in pluripotent cells
... ESCs and it remains high until 1 h after cellularization [29]. H2B becomes significantly less dynamic with each nuclear division before cellularization and continues to tighten down until it reaches a stable highly immobile state, about 5 h after cellularization, parallel to an increase in chromatin ...
... ESCs and it remains high until 1 h after cellularization [29]. H2B becomes significantly less dynamic with each nuclear division before cellularization and continues to tighten down until it reaches a stable highly immobile state, about 5 h after cellularization, parallel to an increase in chromatin ...