* Allow all reagents to warm to room temperature for at least 30 minutes before opening.
* Pre-rinse the pipet tip with reagent, use fresh pipet tips for each sample, standard and reagent to avoid contamination.
* Unused wells must be kept desiccated at 4 degree C in the sealed bag provided.
* Mix Thoroughly is very important for the result. It is recommended using low frequency oscillator or slight hand shaking every 10 minutes.
* It is recommended that all samples and standards be assayed in duplicate or triplicate.
Background: Renin is a member of the aspartyl proteinase family produced largely in part by the juxtaglomerular cells in the kidney.Renin differs from the other members of this class by having a pH optimum near neutral pH region with native substrates instead of 2.0 to 3.4 This more neutral pH optimum allows it to be functional in the plasma. Renin also has very high selectivity for substrate due to quite long peptide recognition on either side of the peptide bond undergoing cleavage. An octapeptide substrate was the minimum length to be cleaved by renin. Renin plays a crucial role in the regulation of blood pressure and salt balance through the cleavage of angiotensinogen, which is the only known physiological substrate of renin.
NCBI and Uniprot Product Information
NCBI Description
Renin catalyzes the first step in the activation pathway of angiotensinogen--a cascade that can result in aldosterone release,vasoconstriction, and increase in blood pressure. Renin, an aspartyl protease, cleaves angiotensinogen to form angiotensin I, which is converted to angiotensin II by angiotensin I converting enzyme, an important regulator of blood pressure and electrolyte balance. Transcript variants that encode different protein isoforms and that arise from alternative splicing and the use of alternative promoters have been described, but their full-length nature has not been determined. Mutations in this gene have been shown to cause familial hyperproreninemia. [provided by RefSeq, Jul 2008]
Uniprot Description
REN: Renin is a highly specific endopeptidase, whose only known function is to generate angiotensin I from angiotensinogen in the plasma, initiating a cascade of reactions that produce an elevation of blood pressure and increased sodium retention by the kidney. Interacts with ATP6AP2. Interaction with ATP6AP2 results in a 5-fold increased efficiency in angiotensinogen processing. Belongs to the peptidase A1 family. 2 isoforms of the human protein are produced by alternative splicing.
Protein type: Protease; EC 3.4.23.15; Secreted; Secreted, signal peptide
Chromosomal Location of Human Ortholog: 1q32
Cellular Component: extracellular space; cytoplasm; plasma membrane; extracellular region
Molecular Function: peptidase activity; insulin-like growth factor receptor binding; aspartic-type endopeptidase activity; receptor binding
Biological Process: response to cAMP; hormone-mediated signaling; drinking behavior; male gonad development; renin-angiotensin regulation of aldosterone production; cell maturation; response to lipopolysaccharide; angiotensin maturation; proteolysis; cellular protein metabolic process; regulation of blood pressure; regulation of MAPKKK cascade; beta-amyloid metabolic process; mesonephros development; kidney development
Disease: Renal Tubular Dysgenesis; Hyperuricemic Nephropathy, Familial Juvenile, 2
Research Articles on REN
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Product Notes
The Mouse REN ren (Catalog #AAA9717116) is an ELISA Kit and is intended for research purposes only. The product is available for immediate purchase. The AAA9717116 ELISA Kit recognizes Mouse REN. It is sometimes possible for the material contained within the vial of "Renin (REN), ELISA Kit" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.Precautions
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