hCG-HCG

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hCG

Qty


Total
$84.5
Catalog #
HOPS-257
Size
Description
Human Chorionic Gonadotropin is produced from a sterile preparation of placental glucoprotein urine of pregnant women having a total molecular mass of 36,700 Dalton. The hCG consists of 237 amino acids, a chain-92 amino acids and b chain-145 amino acids. The hCG is purified by proprietary chromatographic techniques.
Additional Information
IntroductionHuman chorionic gonadotropin (hCG) is a peptide hormone produced in pregnancy, that is made by the embryosoon after conception and later by the syncytiotrophoblast(part of the placenta). Its role is to prevent the disintegration of the corpus luteumof the ovaryand thereby maintain progesterone production that is critical for a pregnancy in humans. hCG may have additional functions, for instance it is thoµght that it affects the immune tolerance of the pregnancy. Early pregnancy testing generally is based on the detection or measurement of hCG.
SynonymsChorionic gonadotropin, hCG, CG.
SourceUrine of pregnant women.
Physical AppearanceSterile Filtered White lyophilized (freeze-dried) powder.
FormulationThe hCG was lyophilized with no additives.
SolubilityIt is recommended to reconstitute the lyophilized Human Chorionic Gonadotropin in sterile 18MΩ-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.
StabilityLyophilized hCG althoµgh stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution CG-beta should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
PurityPurity is 98%.
Biological ActivityThe activity was found to be 6767IU/mg.
UsageNeoScientific's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drµgs, agricultural or pesticidal products, food additives or household chemicals.
ReferencesTitle: Human Chorionic Gonadotropin Modulates Prostate Cancer Cell Survival after Irradiation or HMG CoA Reductase Inhibitor TreatmentPublication: Published online before print October 18, 2006, doi: 10.1124/mol.106.031153 Molecular Pharmacology January 2007 vol. 71 no. 1 259-275 Link:http://molpharm.aspetjournals.org/content/71/1/259.full
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