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UCP1-mediated heat generation in brown fat uncouples the respiratory chain, allowing for fast substrate oxidation with a low rate of ATP production. UCP1 is related to other mitochondrial metabolite transporters such as the adenine nucleotide translocator, a proton channel in the mitochondrial inner membrane that permits the translocation of ...
the complete release of respiratory control; the substitution of all coupled processes (ATP synthesis, transhydrogenation, reverse electron flow, active transport of cations, etc.) by a cyclic proton transport mediated by the uncoupler; the elimination of all protonic and cationic gradients generated across the mitochondrial or prokaryotic membrane
Structure of the human uncoupling protein UCP1. An uncoupling protein (UCP) is a mitochondrial inner membrane protein that is a regulated proton channel or transporter.An uncoupling protein is thus capable of dissipating the proton gradient generated by NADH-powered pumping of protons from the mitochondrial matrix to the mitochondrial intermembrane space.
Although it was originally thought to play a role in non-shivering thermogenesis, obesity, diabetes and atherosclerosis, it now appears that the main function of UCP2 is the control of mitochondria-derived reactive oxygen species. [8] Chromosomal order is 5'-UCP3-UCP2-3'. [9] Mitochondrial Uncoupling Protein 2
A second contributing factor is that cristae, the inner membranes of mitochondria, increase the surface area and therefore the amount of proteins in the membrane that assist in the synthesis of ATP. Along the electron transport chain, there are separate compartments, each with their own concentration gradient of H + ions, which are the power ...
The body processes some foods, like simple sugars, more quickly, thus raising blood sugar levels faster and putting more strain on the pancreas to produce the insulin needed to take care of that ...
Apples. The original source of sweetness for many of the early settlers in the United States, the sugar from an apple comes with a healthy dose of fiber.
One study found that having 3 grams of omega-3’s a day (approximately a 4-5 ounce piece of salmon) could help lower blood pressure, and having more, the authors noted, may provide even more ...