Rat Regenerating Islet-Derived 3 Alpha (Reg3a) ELISA KitIRTREG3AKT
This Rat Regenerating Islet-Derived 3 Alpha (Reg3a) ELISA Kit from Innovative Research is intended for quantitative detection of rat REG3A in cell culture supernates, serum and plasma (heparin). Strip well format. Reagents for up to 96 tests.
This rat REG3A ELISA Kit was based on standard sandwich enzyme-linked immune-sorbent assay technology. A monoclonal antibody from mouse specific for REG3A has been precoated onto 96-well plates. Standards(Expression system for standard: NSO, Immunogen sequence: E26-Q174) and test samples are added to the wells, a biotinylated detection polyclonal antibody from goat specific for REG3A is added subsequently and then followed by washing with PBS or TBS buffer. Avidin-Biotin-Peroxidase Complex was added and unbound conjugates were washed away with PBS or TBS buffer. HRP substrate TMB was used to visualize HRP enzymatic reaction. TMB was catalyzed by HRP to produce a blue color product that changed into yellow after adding acidic stop solution. The density of yellow is proportional to the human Fibronectin amount of sample captured in plate.
- Detection Target: Regenerating Islet-Derived 3 Alpha (Reg3a)
- Uniprot ID: P35231)
- Reactivity: Rat
- Cross-Reactivity: There is no detectable cross-reactivity with other relevant proteins.
- Range: 15.6pg/ml-1000pg/ml
- Sensitivity: <10pg/ml
- Storage Conditions: Store at 4?C for 6 months, at -20?C for 12 months. Avoid multiple freeze-thaw cycles. (Shipped with wet ice)
Additional Information: The capture antibody is a monoclonal antibody from mouse, the detection antibody is a biotinylated detection polyclonal antibody from goat. Expression system for standard: Regenerating islet-derived protein 3 alpha for merly known as HIP/PAP (Hepatocarcinoma-Intestine-Pancreas/Pancreatitis-Associated Protein) and peptide 23 is a protein that in humans is encoded by the REG3A gene. This gene is mapped to 4q33. PAP is a secretory protein not normally expressed in healthy pancreas but highly induced during acute pancreatitis. While PAP has been shown to be anti-bacterial and antiapoptotic in vitro, its definitive biological function in vivo is not clear. Using antisepse oligonucleotides, inhibition of PAP expression significantly worsened pancreatitis in a rat model. During pancreatitis, PAP released by the pancreas could mediate lung inflammation through induction of hepatic TNF- alpha expression and subsequent increase in circulating TNFalpha. PAP is activated in primary liver cancers. In normal liver, the protein is undetectable in normal mature hepatocytes and found only in some ductular cells, representing potential hepatic progenitor cells. PAP can be considered hepatic cytokine that combines mitogenic and anti-apoptotic functions regarding hepatocytes, and consequently acts as a growth factor in vivo to enhance liver regeneration. In pancreatic cancor, PAP was overexpressed in 79% (30 of 38) of pancreatic ductal adenocarcinoma, 19% (7 of 36) of chronic pancreatitis, and 29% (2 of 7) of mucinous cystadenoma. PAP was found in malignant ductular structures in pancreatic carcinomas as well as in benign proliferating ductules and acinar cells in chronic pancreatitis. Elevation of PAP in patients with pancreatic cancer is not merely explainable by concomitant pancreatitis, but seems to be due to increased PAP production by the cancer cells and is also correlated to tumour load as expressed by the UICC stages. Epithelial expression of PAP was induced under intestinal mucosal inflammation initiated by exposure to commensal bacteria or DSS as well as inflamed IBD colon. Increased serum level of PAP diagnosed ileal location in active Crohn disease with a sensitivity of 60%, a specificity of 94%, a positive predictive value of 84% and a negative predictive value of 81%. Elevated serum PAP (> 50 ng/mL) is significantly associated with disease activity and ileal location of Crohn disease.; Immunogen sequence: 369
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