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follicle-stimulating-hormone-fsh manufacturer Chandraprabhu Pharma

follicle-stimulating-hormone-fsh manufacturer


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Product Name :
FOLLICLE STIMULATING HORMONE (FSH)
Chemical Formula :
CAS No :
Molecular Formula :
Molecular Weight :
follicle-stimulating-hormone-fsh
Description :
FSH is a glycoprotein. Each monomeric unit is a protein molecule with a sugar attached to it; two of these make the full, functional protein. Its structure is similar to those of LH, TSH, and hCG. The protein dimer contains 2 polypeptide units, labeled alpha and beta subunits. The alpha subunits of LH, FSH, TSH, and hCG are identical, and contain 92 amino acids. The beta subunits vary. FSH has a beta subunit of 111amino acids (FSH ?), which confers its specific biologic action and is responsible for interaction with the FSH-receptor. The sugar part of the hormone is composed of fucose, galactose, mannose, galactosamine, glucosamine, and sialic acid, the latter being critical for its biologic half-life. The half-life of FSH is 3–4 hours. The 92-amino-acid-long FSH alpha subunit in humans has the following sequence:NH2 – Ala – Pro – Asp – Val – Gln – Asp – Cys – Pro – Glu – Cys – Thr – Leu – Gln – Glu – Asn – Pro – Phe – Phe – Ser – Gln – Pro – Gly – Ala – Pro – Ile – Leu – Gln – Cys – Met – Gly – Cys – Cys – Phe – Ser – Arg – Ala – Tyr – Pro – Thr – Pro – Leu – Arg – Ser† – Lys – Lys – Thr – Met – Leu – Val – Gln – Lys – Asn – Val – Thr – Ser – Glu – Ser – Thr – Cys – Cys – Val – Ala – Lys – Ser – Tyr – Asn – Arg – Val – Thr – Val – Met – Gly – Gly – Phe – Lys – Val – Glu – Asn – His – Thr – Ala – Cys – His – Cys – Ser – Thr – Cys – Tyr – Tyr – His – Lys – Ser – OH The 111-amino-acid-long FSH beta subunit in humans has the following sequence: NH2 – Asn – Ser – Cys – Glu – Leu – Thr – Asn – Ile – Thr – Ile – Ala – Ile – Glu – Lys – Glu – Glu – Cys – Arg – Phe – Cys – Ile – Ser – Ile – Asn – Thr – Thr – Trp – Cys – Ala – Gly – Tyr – Cys – Tyr – Thr – Arg – Asp – Leu – Val – Tyr – Lys – Asp – Pro – Ala – Arg – Pro – Lys – Ile – Gln – Lys – Thr – Cys – Thr – Phe – Lys – Glu – Leu – Val – Tyr – Glu – Thr – Val – Arg – Val – Pro – Gly – Cys – Ala – His – His – Ala – Asp – Ser – Leu – Tyr – Thr – Tyr – Pro – Val – Ala – Thr – Gln – Cys – His – Cys – Gly – Lys – Cys – Asp – Ser – Asp – Ser – Thr – Asp – Cys – Thr – Val – Arg – Gly – Leu – Gly – Pro – Ser – Tyr – Cys – Ser – Phe – Gly – Glu – Met – Lys – Glu – OH FSH regulates the development, growth, pubertal maturation, and reproductive processes of the human body. In both males and females, FSH stimulates the maturation of germ cells. In males, FSH induces Sertoli cells to secrete inhibin and stimulates the formation of sertoli-sertoli tight junctions (zonula occludens). In females, FSH initiates follicular growth, specifically affecting granulosa cells. With the concomitant rise in inhibin B, FSH levels then decline in the late follicular phase. This seems to be critical in selecting only the most advanced follicle to proceed to ovulation. At the end of the luteal phase, there is a slight rise in FSH that seems to be of importance to start the next ovulatory cycle.

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