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Calcitonin. Calcitonin is a 32 amino acid peptide hormone secreted by parafollicular cells (also known as C cells) of the thyroid (or endostyle) in humans and other chordates [5] in the ultimopharyngeal body. [6] It acts to reduce blood calcium (Ca 2+), opposing the effects of parathyroid hormone (PTH). [7]
Calcitonin receptor. The calcitonin receptor (CT) is a G protein-coupled receptor that binds the peptide hormone calcitonin and is involved in maintenance of calcium homeostasis, [5] particularly with respect to bone formation and metabolism. [6][7][8]
846 12374 Ensembl ENSG00000036828 ENSMUSG00000051980 UniProt P41180 Q9QY96 RefSeq (mRNA) NM_000388 NM_001178065 NM_013803 RefSeq (protein) NP_000379 NP_001171536 NP_038831 Location (UCSC) Chr 3: 122.18 – 122.29 Mb Chr 16: 36.31 – 36.38 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse The calcium-sensing receptor (CaSR) is a Class C G-protein coupled receptor which senses ...
Researchers are mapping out the human brain’s ‘waste-disposal’ system for the first time. Image credit: bawanch/Getty Images. This article originally appeared on Medical News Today
[2] α-CGRP is a 37-amino acid neuropeptide and is formed by alternative splicing [3] of the calcitonin/CGRP gene located on chromosome 11. β-CGRP is less studied. In humans, β-CGRP differs from α-CGRP by three amino acids and is encoded in a separate, nearby gene. [4] The CGRP family includes calcitonin (CT), adrenomedullin (AM), and amylin ...
Procalcitonin (PCT) is a peptide precursor of the hormone calcitonin, the latter being involved with calcium homeostasis. It arises once preprocalcitonin is cleaved by endopeptidase. [1] It was first identified by Leonard J. Deftos and Bernard A. Roos in the 1970s. [2] It is composed of 116 amino acids and is produced by parafollicular cells (C ...
Calcium regulation in the human body [38] Different tissues contain calcium in different concentrations. For instance, Ca 2+ (mostly calcium phosphate and some calcium sulfate) is the most important (and specific) element of bone and calcified cartilage. In humans, the total body content of calcium is present mostly in the form of bone mineral ...
Vitamin D is a group of fat-soluble secosteroids responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, along with numerous other biological functions. [1][2] In humans, the most significant compounds within this group are vitamin D 3 (cholecalciferol) and vitamin D 2 (ergocalciferol). [2][3]