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normal range 2-62 × 10 −9: chronic poisoning ... beta-Carotene: ... C4 binding protein
Reference ranges (reference intervals) for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples. Reference ranges for blood tests are studied within the field of clinical chemistry (also known as "clinical biochemistry", "chemical pathology" or "pure blood chemistry"), the ...
If vitamin A status is in the normal range, SCARB1 is downregulated, reducing absorption. [6] Also downregulated is the enzyme beta-carotene 15,15'-dioxygenase (formerly known as beta-carotene 15,15'-monooxygenase) coded for by the BCMO1 gene, responsible for symmetrically cleaving β-carotene into retinal. [8]
β-Carotene (beta-carotene) is an organic, strongly colored red-orange pigment abundant in fungi, [7] plants, and fruits. It is a member of the carotenes , which are terpenoids (isoprenoids), synthesized biochemically from eight isoprene units and thus having 40 carbons .
Finally, in certain disease states, the metabolism and conversion of carotenoids to retinol is slowed, which can lead to decreased clearance and increased plasma levels. Elevated serum beta-carotene does not necessarily result in carotenosis, but the latter is likely to show up when intake is more than 20 mg/day.
Beta-carotene 15,15'-monooxygenase (BCO1; EC 1.14.99.36) from animals, which cleaves beta-carotene symmetrically at the central double bond to yield two molecules of retinal. [ 3 ] Beta-carotene-9',10'-dioxygenase (BCO2) from animals, which cleaves beta-carotene asymmetrically to apo-10'-beta-carotenal and beta-ionone, the latter being ...
Beta-2 comprises C3 (complement protein 3). It is raised in the acute phase response. Depression of C3 occurs in autoimmune disorders as the complement system is activated and the C3 becomes bound to immune complexes and removed from serum. Fibrinogen, a beta-2 protein, is found in normal plasma but absent in normal serum.
63857 Ensembl ENSG00000135697 ENSMUSG00000031845 UniProt Q9HAY6 Q9JJS6 RefSeq (mRNA) NM_017429 NM_001163028 NM_021486 RefSeq (protein) NP_059125 NP_001156500 NP_067461 Location (UCSC) Chr 16: 81.24 – 81.29 Mb Chr 8: 117.82 – 117.86 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse In enzymology, beta-carotene 15,15'-dioxygenase, (EC 1.13.11.63) is an enzyme with systematic name ...