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Histamine ELISA Assay Kit used in a recent study.

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Eagle Biosciences Histamine ELISA Assay Kit used in a recent study. This kit is part of our Immunology Assay Kit line which is a line of highly sensitive and specific kits used for the detection of a variety of samples in serum, plasma, tissue, urine, and saliva.

Histamine deficiency aggravates cardiac injury through miR-206/216b-Atg13 axis-mediated autophagic-dependant apoptosis

Abstract:

Histamine is a widely distributed biogenic amine involved in the regulation of an array of biological processes. Serum histamine level is markedly elevated in the early stages of acute myocardial infarction, whereas the role it plays remains unclear. Histidine decarboxylase (HDC) is the unique enzyme responsible for histamine production, and cardiac injury is significantly aggravated in HDC knockout mice (HDC−/−), in which histamine is deficient. We also observed that autophagy was highly activated in cardiomyocytes of HDC−/− mice post acute myocardial infarction (AMI), which was abolished by compensation of exogenous histamine. The in vivo and in vitro results showed that acting through histamine 1 receptor, histamine increased miR-206 and miR-216b, which worked in concert to target to Atg13, resulting in the reduction of autophagy activation under hypoxia and AMI condition. Further study revealed that Atg13 interacted with FADD to promote the activation of caspase-8 and cell apoptosis. Taken together, these data unveil a novel intracellular signaling pathway involved in histamine regulating myocardial autophagy and apoptosis under hypoxia and AMI condition, which might help to more comprehensively evaluate the usage of histamine receptor antagonists and to develop new therapeutic targets for myocardial infarction.

Ding, Suling, et al. “Histamine Deficiency Aggravates Cardiac Injury through MiR-206/216b-Atg13 Axis-Mediated Autophagic-Dependant Apoptosis.” Cell Death & Disease, vol. 9, no. 6, 7 June 2018, p. 694., doi:10.1038/s41419-018-0723-6.

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