"Parasite" DNA sequences have three potential functions in the development of T (for thymus) lymphocytes, researchers led by Université de Montréal medical professor Claude Perreault show in a study published in the journal ...
Sep 4, 2024
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Deep in the brain, sheets of tissue known as the choroid plexus produce cerebrospinal fluid (CSF) and act as a protective barrier between the brain and CSF. But the lab of Maria Lehtinen, Ph.D., at Boston Children's Hospital ...
Aug 28, 2024
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Small cell lung cancer (SCLC) is a fast-growing and highly malignant subtype of lung cancer. One of the biggest challenges doctors face is the cancer's resistance to platinum-based chemotherapy, the standard treatment for ...
Aug 26, 2024
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There is a critical unmet need to help tighten and maintain a healthy intestinal barrier and treat a leaky gut. Researchers have now found that a unique strain of probiotic bacteria, Bifidobacterium bifidum BB1, enhances ...
Aug 22, 2024
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A study led by investigators at the UCLA Health Jonsson Comprehensive Cancer Center found that Manuka honey could potentially be an alternative, natural option for breast cancer prevention and treatment—particularly for ...
Aug 19, 2024
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Removing a nuclear bile acid receptor that regulates glucose and lipid stability from the intestine blocks gut inflammation in mice, according to researchers at Children's Hospital Los Angeles. Their findings are published ...
Aug 15, 2024
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The answer to curbing influenza could be right under our noses—or, more accurately, inside them. New research maps happenings in the nose during the course of influenza in exquisite detail, and could potentially lead to ...
Aug 14, 2024
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Small, laboratory-grown balls of cells made from the intestinal tissue of people with celiac disease have revealed a previously unknown molecular link between gluten exposure and intestinal damage, according to a study by ...
Jul 25, 2024
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Researchers Jenny Ting, Ph.D., the William Kenan Distinguished Professor of Genetics and professor microbiology and immunology at the UNC School of Medicine, and Kaixin Liang, Ph.D., a postdoctoral researcher in the Ting ...
Jul 22, 2024
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Scientists have discovered how the dangerous respiratory syncytial virus (RSV) defuses our immune response and, in doing so, have pinpointed an exciting new target for drug developers.
Jul 18, 2024
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In biology and medicine, an epithelium is a tissue composed of cells that line the cavities and surfaces of structures throughout the body. Many glands are also formed from epithelial tissue. It lies on top of connective tissue, and the two layers are separated by a basement membrane.
In humans, epithelium is classified as a primary body tissue, the other ones being connective tissue, muscle tissue and nervous tissue.
Epithelium is often defined by the expression of the adhesion molecule e-cadherin (as opposed to n-cadherin, which is used by cells of the connective tissue).
Functions of epithelial cells include secretion, selective absorption, protection, transcellular transport and detection of sensation and they commonly as a result present extensive apical-basolateral polarity (e.g. different membrane proteins expressed) and specialisation.
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