Addiction

Understanding mechanisms of alcohol-associated bowel disease

Alcohol consumption is a significant risk factor for gastrointestinal diseases, including cancer. Alcohol can damage the gastrointestinal tract in several ways. It can promote an impairment of several intestinal barrier functions, ...

Gastroenterology

Study sheds light on how IBD can develop

Inflammatory bowel disease, or IBD, describes Crohn's disease and ulcerative colitis, two chronic diseases that cause inflammation in the intestines. IBD, which affects about 3 million adults in the United States, is an autoimmune ...

Genetics

New gene-editing technique reverses vision loss in mice

Researchers in China have successfully restored the vision of mice with retinitis pigmentosa, one of the major causes of blindness in humans. The study, to be published March 17 in the Journal of Experimental Medicine, uses ...

Immunology

Interleukin-11 found to ameliorate acute colitis in mice

Interleukin (IL)-11 is produced by inflammatory fibroblasts, one of the stromal cells, during acute colitis. Researchers at Toho University Japan found that IL-11 ameliorated acute colitis in mouse models. The IL-11 production ...

Ophthalmology

Researchers use 3D bioprinting to create eye tissue

Scientists used patient stem cells and 3D bioprinting to produce eye tissue that will advance understanding of the mechanisms of blinding diseases. The research team from the National Eye Institute (NEI), part of the National ...

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Epithelium

Epithelium is one of the four basic types of animal tissue, along with connective tissue, muscle tissue and nervous tissue. Epithelial tissues line the cavities and surfaces of structures throughout the body, and also form many glands. Functions of epithelial cells include secretion, selective absorption, protection, transcellular transport and detection of sensation. In Greek "Epi" means, "on, upon," and "Theli" meaning "tissue." Epithelial layers are avascular, so they must receive nourishment via diffusion of substances from the underlying connective tissue, through the basement membrane.[unreliable source?] Epithelia can also be organized into clusters of cells that function as exocrine and endocrine glands. Exocrine and endocrine epithelial cells are highly vascular.

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