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Lactate dehydrogenase (LDH or LD) is an enzyme found in nearly all living cells. LDH catalyzes the conversion of pyruvate to lactate and back, as it converts NAD + to NADH and back. A dehydrogenase is an enzyme that transfers a hydride from one molecule to another. LDH exists in four distinct enzyme classes.
Liver function tests (LFTs or LFs), also referred to as a hepatic panel or liver panel, are groups of blood tests that provide information about the state of a patient's liver. [1] These tests include prothrombin time (PT/INR), activated partial thromboplastin time (aPTT), albumin , bilirubin (direct and indirect), and others.
The lactate is carried by the bloodstream to other tissues where it is converted back to pyruvate by the "B" isoform of LDH (LDHB). Firstly there is gluconeogenesis in the liver (as well as the kidney and some other tissues), where lactate is converted into pyruvate and then into glucose; this is known as the Cori cycle.
Cori cycle. The Cori cycle (also known as the lactic acid cycle), named after its discoverers, Carl Ferdinand Cori and Gerty Cori, [1] is a metabolic pathway in which lactate, produced by anaerobic glycolysis in muscles, is transported to the liver and converted to glucose, which then returns to the muscles and is cyclically metabolized back to lactate.
It was found that in rats, LDH-1 was the predominant form in the mitochondria of myocardium, but LDH-5 was predominant in the liver mitochondria. [6] It is suspected that this difference in isoenzyme is due to the predominant pathway the lactate will take – in liver it is more likely to be gluconeogenesis, whereas in the myocardium it is more ...
16828 Ensembl ENSG00000134333 ENSG00000288299 ENSMUSG00000063229 UniProt P00338 P06151 RefSeq (mRNA) NM_001135239 NM_001165414 NM_001165415 NM_001165416 NM_005566 NM_001136069 NM_010699 RefSeq (protein) NP_001128711 NP_001158886 NP_001158887 NP_001158888 NP_005557 NP_001129541 NP_034829 Location (UCSC) Chr 11: 18.39 – 18.41 Mb Chr 7: 46.49 – 46.51 Mb PubMed search Wikidata View/Edit Human ...
The 5 isozymes of LDH Distinction between five isozymes using electrophoresis. 1.) The enzyme lactate dehydrogenase is a tetramer made of two different sub-units, the H-form and the M-form. These combine in different combinations depending on the tissue: [7]
A basic metabolic panel (BMP) is a blood test consisting of a set of seven or eight biochemical tests and is one of the most common lab tests ordered by health care providers.