Use at an assay dependent concentration. Can be paired for Sandwich ELISA with Rabbit monoclonal [PSH17-00] to Human Renin antibody (Capture) (HA725169) and Recombinant Human Renin protein (HA211179) as the standard. The reference range value is 31.3-4,000 pg/mL.
ELISA
Use at an assay dependent concentration.
Target
Function
Renin, also known as an angiotensinogenase, is an aspartic protease protein and enzyme secreted by the kidneys that participates in the body's renin-angiotensin-aldosterone system (RAAS)—also known as the renin-angiotensin-aldosterone axis—that increases the volume of extracellular fluid (blood plasma, lymph, and interstitial fluid) and causes arterial vasoconstriction. Thus, it increases the body's mean arterial blood pressure. Renin is not commonly referred to as a hormone, although it has a receptor, the (pro)renin receptor, also known as the renin receptor and prorenin receptor, as well as enzymatic activity with which it hydrolyzes angiotensinogen to angiotensin I.
Background References
1. Yamaguchi H et al. Renin Cells, From Vascular Development to Blood Pressure Sensing. Hypertension. 2023 Aug
2. Sequeira-Lopez MLS et al. Renin Cells, the Kidney, and Hypertension. Circ Res. 2021 Apr
Sandwich ELISA analysis of Human Renin matched pair antibodies
Capture: HA725169, Human Renin Rabbit mAb [PSH17-00] Detector: HA725170, Human Renin Rabbit mAb [PSH17-01]
Elisa assay was performed by coating wells of a 96-well plate with 100 µl per well of capture antibody (HA725169) diluted in carbonate/bicarbonate buffer, at a concentration of 5 µg/ml overnight at 4℃. Wells of the plate were washed, blocked with 150 µl 0.05% tween-20 1% BSA blocking buffer, and incubated with serial diluted Renin protein starting from 4,000 pg/ml to 0 pg/ml and detect antibody (HA725170, Biotin, 0.2 µg/ml) for 1 hour at 30℃ with shaking. Then the plate was washed and incubated with 100 µl per well of SA-HRP for 0.5 hour at 30℃ with shaking. Detection was performed using an Ultra TMB Substrate for 10 minutes at room temperature in the dark. The reaction was stopped with sulfuric acid and absorbances were read on a spectrophotometer at 450 nm.
Interpolated concentrations of native Renin in human serum samples.
Capture: HA725169, Human Renin Rabbit mAb [PSH17-00] Detector: HA725170, Human Renin Rabbit mAb [PSH17-01]
The concentrations of Renin were measured in duplicates, interpolated from the Renin standard curve and corrected for sample dilution. Undiluted samples are human serum 50%. The interpolated dilution factor corrected values are plotted (mean +/- SD, n=2). The mean Renin concentration was determined to be 1,544 pg/ml in human serum.
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