1. Intrinsic factorIntrinsic factor (IF) also known as gastric intrinsic factor (GIF) is a glycoprotein produced by the parietal cells of the stomach. It is necessary for the absorption of vitamin B12 later on in the small intestine. In humans, the gastric intrinsic factor protein is encoded by the GIF gene. Upon entry into the stomach, vitamin B12 becomes bound to haptocorrin (R factor), a glycoprotein. The resulting complex enters the duodenum, where pancreatic enzymes digest haptocorrin.
Read “Intrinsic factor” on English Wikipedia
Read “内因子” on Japanese Wikipedia
Read “Intrinsic factor” on DBpedia
Read “Intrinsic factor” on English Wikipedia
Read “内因子” on Japanese Wikipedia
Read “Intrinsic factor” on DBpedia
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