Cynomolgus REG1A / PSPS Protein (His Tag)

REG1A

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Catalog Number	P90162-C08H
Organism Species	Cynomolgus
Host	Human Cells
Synonyms	REG1A
Molecular Weight	The recombinant cynomolgus REG1A comprises 155 amino acids and has a calculated molecular mass of 177 KDa. The apparent molecular mass of it is approximately 19 and 21 KDa respectively in SDS-PAGE.
predicted N	Gln 23
SDS-PAGE
Purity	(55.6+42.8) % as determined by SDS-PAGE
Protein Construction	A DNA sequence encoding the cynomolgus REG1A (G8F4F8) (Met1-Asn166) was expressed with a polyhistidine tag at the C-terminus.
Bio-activity
Research Area	Immunology |Signal Transduction |Metabolism |Types of disease |Metabolism in Diabetes
Formulation	Lyophilized from sterile PBS, PH 7.4. 1. Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
Background	Regenerating (reg) gene encodes protein that has been involved in pancreatic lithogenesis and the regeneration of islet cells and therefore the abnormality of reg genes could be associated with fibrocalculous pancreatopathy. REG I has been shown to be crucial for induction of ductal epithelial cells to differentiate into some cells. Lithostathine-1-alpha, also known as Pancreatic stone protein, Pancreatic thread protein, Regenerating islet-derived protein 1-alpha, REG1A, REG-1-alpha, and PSPS, is highly expressed in fetal and infant brains. REG1A contains one C-type lectin domain and is a known growth factor affecting pancreatic islet beta cells. REG1A may act as an inhibitor of spontaneous calcium carbonate precipitation. It may also be associated with neuronal sprouting in brain, and with brain and pancreas regeneration. REG1A has been reported to be expressed in human cancers, and it may be positively correlated with patient's prognosis. REG3A and REG1A proteins are both involved in liver and pancreatic regeneration and proliferation. High levels of REG1A expression by tumor cells are an independent predictor of a poor prognosis in patients with non-small cell lung cancer (NSCLC).
Reference	Boonyasrisawat W, et al. (2002) Analysis of the reg1alpha and reg1beta gene transcripts in patients with fibrocalculous pancreatopathy. Southeast Asian J Trop Med Public Health. 33(2): 365-72. Tezel E, et al. (2004) REG I as a marker for human pancreatic acinoductular cells. Hepatogastroenterology. 51(55): 91-6. Geng J, et al. (2009) REG1A predicts recurrence in stage Ta/T1 bladder cancer. Eur J Surg Oncol. 35(8): 852-7.