Biomedical Laboratory Science

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Showing posts with label Digestive System. Show all posts
Showing posts with label Digestive System. Show all posts

Monday, September 5, 2016

Crohn's disease: Potential treatment to prevent fibrosis uncovered

Scientists from the University of British Columbia in Canada have found a mutation that switches off a hormone receptor, which prevents mice from developing fibrosis. This discovery could lead to potential treatments to prevent fibrosis in people with Crohn's disease.

Inflammatory bowel disease (IBD) - which includes Crohn's disease and ulcerative colitis - affects around 1.6 million people in the United States. Most people are diagnosed with Crohn's disease before age 35, and while these life-long conditions can be treated, there is currently no cure.

Crohn's disease is a long-term condition that causes inflammation to the lining of the digestive system. While the disease can affect any part of the gastrointestinal tract, the most commonly affected areas are the end of the small intestine (the ileum) or the large intestine (colon).


Scientists can potentially block complications of fibrosis in Crohn's disease by dampening particular
inflammatory cell types.


Friday, April 29, 2016

Esophageal Cancer

Overview

Esophageal cancer starts at the inside lining of the esophagus and spreads outward through the other layers as it grows. The two most common forms of esophageal cancer are named for the type of cells that become malignant:
  • Squamous cell carcinoma: Cancer that forms in squamous cells, the thin, flat cells lining the esophagus. This cancer is most often found in the upper and middle part of the esophagus, but can occur anywhere along the esophagus. This is also called epidermoid carcinoma.
  • Adenocarcinoma: Cancer that begins in glandular (secretory) cells. Glandular cells in the lining of the esophagus produce and release fluids such as mucus. Adenocarcinomas usually form in the lower part of the esophagus, near the stomach.
The National Cancer Institute's Surveillance, Epidemiology, and End Results (SEER) Program estimates that some 16,980 people in the United States will be diagnosed with esophageal cancer and 15,590 will die of the disease in 2015. The average five year survival rate is just 17.9 percent.

Smoking, heavy alcohol consumption, and Barrett esophagus can increase the risk of developing esophageal cancer. Other risk factors include older age, being male, and being African-American.

Read more: Esophageal Cancer

The esophagus and stomach are part of the upper gastrointestinal (digestive) system.
Video link: Esophageal Cancer



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