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Hydroxyproline is a major component of the protein collagen, [3] comprising roughly 13.5% of mammalian collagen. Hydroxyproline and proline play key roles for collagen stability. [ 4 ] They permit the sharp twisting of the collagen helix. [ 5 ]
The N-terminal telopeptide (NTX), also known as amino-terminal collagen crosslinks, is the N-terminal telopeptide of fibrillar collagens such as collagen type I and type II. It is used as a biomarker to measure the rate of bone turnover. NTX can be measured in the urine (uNTX) or serum (serum NTX). [1]
The CTX test measures for the presence and concentration of a crosslink peptide sequence of type I collagen, found, among other tissues, in bone. This specific peptide sequence relates to bone turnover because it is the portion that is cleaved by osteoclasts during bone resorption, and its serum levels are therefore proportional to osteoclastic ...
1281 12825 Ensembl ENSG00000168542 ENSMUSG00000026043 UniProt P02461 P08121 RefSeq (mRNA) NM_000090 NM_001376916 NM_009930 RefSeq (protein) NP_000081 NP_034060 Location (UCSC) Chr 2: 188.97 – 189.01 Mb Chr 1: 45.35 – 45.39 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Type III Collagen is a homotrimer, or a protein composed of three identical peptide chains (monomers), each ...
Bone decalcification is the softening of bones due to the removal of calcium ions, and can be performed as a histological technique to study bones and extract DNA. [ 1 ] [ 2 ] This process also occurs naturally during bone development and growth, and when uninhibited, can cause diseases such as osteomalacia .
12845 Ensembl ENSG00000105664 ENSMUSG00000031849 UniProt P49747 Q9R0G6 RefSeq (mRNA) NM_000095 NM_016685 RefSeq (protein) NP_000086 NP_057894 Location (UCSC) Chr 19: 18.78 – 18.79 Mb Chr 8: 70.83 – 70.83 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Cartilage oligomeric matrix protein (COMP), also known as thrombospondin-5, is an extracellular matrix (ECM) protein primarily ...
The membrane of the cartridges are coated with collagen and adenosine diphosphate (ADP) or collagen and epinephrine inducing a platelet plug to form which closes the aperture. The PFA test result is dependent on platelet function, plasma von Willebrand Factor level, platelet number, and (to some extent) the hematocrit (that is, the percent ...
A bone biopsy is a procedure in which a small bone sample is removed from the outer layers of bone for examination, unlike a bone marrow biopsy, which involves the innermost part of the bone. The bone biopsy sample retains the architecture of bone when seen using histopathological examination slide.