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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. While ...
β-Lipotropin is a 90-amino acid polypeptide that is the carboxy-terminal fragment of POMC.It was initially reported to stimulate melanocytes to produce melanin.It was also reported to perform lipid-mobilizing functions such as lipolysis [1] and steroidogenesis.
Apolipoprotein B deficiency is an autosomal dominant disorder resulting from a missense mutation which reduces the affinity of apoB-100 for the low-density lipoprotein receptor (LDL Receptor). This causes impairments in LDL catabolism, resulting in increased levels of low-density lipoprotein in the blood.
LDL circulates and is absorbed by the liver and peripheral cells. Binding of LDL to its target tissue occurs through an interaction between the LDL receptor and apolipoprotein B-100 on the LDL particle. Absorption occurs through endocytosis, and the internalized LDL particles are hydrolyzed within lysosomes, releasing lipids, chiefly cholesterol.
Abetalipoproteinemia (also known as: Bassen–Kornzweig syndrome, microsomal triglyceride transfer protein deficiency disease, MTP deficiency, and betalipoprotein deficiency syndrome [2]) is a disorder characterized by abnormal absorption of fat and fat-soluble vitamins from food. [3]
A study of more than 250,000 participants linked omega-6 fats to a reduced risk of brain, bladder, kidney and thyroid cancers. However, a higher omega-6 to omega-3 ratio was tied to greater risks ...
Hypobetalipoproteinemia is a disorder consisting of low levels of LDL cholesterol or apolipoprotein B, [1] below the 5th percentile. [2] The patient can have hypobetalipoproteinemia and simultaneously have high levels of HDL cholesterol.
Glycoprotein hormones, alpha polypeptide is a protein that in humans is encoded by the CGA gene. [5]The gonadotropin hormones, human chorionic gonadotropin (hCG), luteinizing hormone (LH), follicle-stimulating hormone (FSH), and thyroid-stimulating hormone (TSH) are heterodimers consisting of alpha and beta subunits (also called chains) that are associated non-covalently.