Invitrogen
Human Cystatin SN ELISA Kit
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Product Specifications
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Homogenous (no wash)
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Assay Diluent concentrate
Biotinylated Detection Antibody
SAV-HRP
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Chromogen
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Detector antibody conjugate
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About This Kit
Human Cystatin SN quantitates human Cystatin SN in serum, plasma, supernatant. The assay will exclusively recognize both natural and recombinant human Cystatin SN.
The cystatin superfamily is a well-established family of cysteine protease inhibitors. Cystatins A and B (type 1) are mainly intracellular; cystatins C, D, E/M, F, G, S, SN and SA cystatins are extracellular (type 2); and the kininogens are type 3 cystatins which are intravascular proteins. All true cystatins inhibit cysteine peptidases of the papain family, such as cathepsins, and some also inhibit legumain family enzymes. Cystatin SA, cystatin S and cystatin SN are found primarily in saliva. Cystatin S and SN can also be expressed in tears, urine and seminal fluid. Cystatin C is a related protein which is expressed in brain, thymus, ovary, epididymis and vas deferens. Cystatin D protects against proteinases in the oral cavity, while Cystatin E/M and F moderate the inhibition of cathepsin proteins. The fetuins, part of the cystatin superfamily, are secretable proteins that influence osteogenesis and bone resorption, regulation of the insulin and hepatocyte growth factor receptors and the response to systemic inflammation. High molecular weight kininogen (Kininogen HC) and low molecular weight kininogen (Kininogen LC) have varied roles, though they both inhibit the thrombin- and plasmin-induced aggregation of thrombocytes.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
References (0)
Bioinformatics
Gene aliases : CST1
Gene ID : (Human) 1469
Gene symbol : CST1
Protein Aliases : Cystain-SA-I, cystatin 1, cystatin SA-I, Cystatin-1, Cystatin-SN, cysteine proteinase inhibitor, type 2 family, Salivary cystatin-SA-1
UniProt ID (Human) P01037
Performance Guarantee
If an Invitrogen™ immunoassay doesn't perform as described on our website or datasheet,we'll replace the product at no cost to you, or provide you with a credit for a future purchase.*
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