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Apolipoprotein B is the primary apolipoprotein of chylomicrons, VLDL, Lp(a), IDL, and LDL particles (LDL—commonly known as "bad cholesterol" when in reference to both heart disease and vascular disease in general), which is responsible for carrying fat molecules (), including cholesterol, around the body to all cells within all tissues.
Without doubt, Apo B testing is a useful tool for assessing cardiovascular health. I would not recommend it as a substitute for a full lipid panel, but it can provide valuable additional information.
ApoB is an integral apoprotein whereas the others are peripheral apoproteins. Apolipoprotein synthesis such as ApoA4 in hypothalamus involves in the integration of signals for regulation of food intake [ 5 ] which is regulated by vagal nerve and cholecystokinin .
Each particle contains a single apolipoprotein B-100 molecule (Apo B-100, a protein that has 4536 amino acid residues and a mass of 514 kDa), along with 80 to 100 additional ancillary proteins. Each LDL has a highly hydrophobic core consisting of polyunsaturated fatty acid known as linoleate and hundreds to thousands (about 1500 commonly cited ...
A distinguishing feature of the IDL particle is their content of multiple copies of the receptor ligand ApoE in addition to a single copy of ApoB-100. The multiple copies of ApoE allow IDL to bind to the LDL receptor with a very high affinity. When IDL is converted to LDL, the ApoE leaves the particle and only the ApoB-100 remains.
An A1C test also measures your blood sugar levels, but as a cumulative average over the past three months. You’ll see these results as a percentage — the higher the percentage, the higher your ...
A lipid profile or lipid panel is a panel of blood tests used to find abnormalities in blood lipid ( such as cholesterol and triglycerides) concentrations. [not verified in body] The results of this test can identify certain genetic diseases and can determine approximate risks for cardiovascular disease, certain forms of pancreatitis, and other diseases.
4018 n/a Ensembl ENSG00000198670 n/a UniProt P08519 n/a RefSeq (mRNA) NM_005577 n/a RefSeq (protein) n/a n/a Location (UCSC) Chr 6: 160.53 – 160.66 Mb n/a PubMed search n/a Wikidata View/Edit Human Lipoprotein(a) is a low-density lipoprotein variant containing a protein called apolipoprotein(a). Genetic and epidemiological studies have identified lipoprotein(a) as a risk factor for ...