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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 ...
BV is designed to ignore variation in digestibility of a food — which in turn largely depends on the food preparation. For example, compare raw soy beans and extracted soy bean protein. The raw soy beans, with tough cell walls protecting the protein, have a far lower digestibility than the purified, unprotected, soy bean protein extract.
The PDCAAS allows evaluation of food protein quality based on the needs of humans as it measures the quality of a protein based on the amino acid requirements (adjusted for digestibility) of a 2- to 5-year-old child (considered the most nutritionally demanding age group). The BV method uses nitrogen absorption as a basis.
Taking vitamins C and A can provide a boost to collagen production in the body. To maintain healthy skin, individuals can nurture and protect the collagen present in their bodies by consuming nutritious foods rich in the necessary vitamins, minerals, and amino acids. This promotes collagen production and reduces cellular damage within the body. [5]
The type II and XI collagenopathies are a group of disorders that affect connective tissue, the tissue that supports the body's joints and organs. These disorders are caused by defects in type II or type XI collagen. Collagens are complex molecules that provide structure, strength, and elasticity to connective tissue.
Collagen disease is a term previously used to describe systemic autoimmune diseases (e.g., rheumatoid arthritis, systemic lupus erythematosus, and systemic sclerosis), but now is thought to be more appropriate for diseases associated with defects in collagen, which is a component of the connective tissue.
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 Dietary Inflammatory Index (DII) is a numerical score that assesses a diet for its effect on several biomarkers linked to inflammation.Its theoretical bounds are −8.87 to +7.98, and it is oriented such that negative scores are more anti-inflammatory and more positive scores are pro-inflammatory.