Recombinant Mouse FSH alpha/beta Protein

Carrier Free

Catalog # Availability Size / Price Qty
8576-FS-010/CF

With Carrier

Catalog # Availability Size / Price Qty
8576-FS-010
R&D Systems Recombinant Proteins and Enzymes
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Citations (4)
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Recombinant Mouse FSH alpha/beta Protein Summary

Product Specifications

Purity
>95%, by SDS-PAGE with silver staining.
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its ability to induce cAMP accumulation in HEK293 human embryonic kidney cells transfected with human FSH R. The ED50 for this effect is 0.1-0.5 ng/mL.
Source
Chinese Hamster Ovary cell line, CHO-derived mouse FSH alpha/beta protein
Mouse FSH beta
(His20-Glu130)
Accession # Q60687
GGGSGGGSGGGS  Mouse FSH alpha
(Leu25-Ser120)
Accession # P01216
N-terminus C-terminus
N-terminal Sequence
Analysis
His20
Predicted Molecular Mass
24 kDa
SDS-PAGE
40-55 kDa, reducing conditions

Product Datasheets

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8576-FS (with carrier)

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8576-FS/CF (carrier free)

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

8576-FS

Formulation Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Reconstitution Reconstitute at 100 μg/mL in PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

8576-FS/CF

Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 100 μg/mL in PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: FSH alpha/beta

Follicle-Stimulating Hormone (FSH) beta is one of the components of the heterodimeric glycoprotein hormone FSH. FSH is composed of noncovalently linked glycosylated alpha  and beta  chains. The alpha  subunit is also a component of Luteinizing Hormone (LH), Thyroid-Stimulating Hormone, and Chorionic Gonadotropin. The unique beta  subunit confers the protein’s specific biological action and is responsible for the interaction with the FSH Receptor (1-3). The approximately 21 kDa mouse FSH  beta subunit shares 85% and 95% aa sequence identity with the human and rat orthologs, respectively. FSH is produced and secreted by the anterior pituitary gland. Its secretion is controlled by Gonadotropin-Releasing Hormone from the hypothalamus; however, FSH secretion can also be stimulated by activins and inhibited by inhibins (4-6). FSH works in concert with LH to regulate female reproduction; FSH stimulates follicular growth and LH induces ovulation (7). FSH can also regulate estrogen formation by inducing the aromatase enzyme that converts androgen to estradiol (7, 8). In addition, it has been suggested to have a role in postmenopausal bone loss and in the neovascularization surrounding malignant tumors (9-11). In males, FSH is critical for sperm production (12). Mutations in the human FSH and FSHR genes are associated with reduced reproductive functioning in females (2, 11). Additionally, increased production of autoantibodies directed against FSH beta has been suggested to contribute to certain types of female infertility (2). Assisted reproductive technology commonly uses recombinant FSH to induce follicle growth (7).

References
  1. Fox, K.M. et al. (2001) Mol. Endocrinol. 15:378.
  2. Haller-Kikkatalo, K. et al. (2012) Clin. Dev. Immunol. 2012:762541.
  3. Jiang, X. et al. (2014) Mol. Cell. Endocrinol. 382:424.
  4. Findlay, J.K. (1993) Biol. Reprod. 48:15.
  5. Marshall, J.C. et al. (1993) Trans. Am. Clin. Climatol. Assoc. 104:31.
  6. Bernard, D.J. and S. Tran (2013) Biol. Reprod. 88:1.
  7. Raju, G.A. et al. (2013) J. Hum. Reprod. Sci. 6:227.
  8. Erickson, G.F. and A.J. Hsueh (1978) Endocrinology 102:1275.
  9. Sun, L. et al. (2006) Cell 125:247.
  10. Radu, A. et al. (2010) N. Engl. J. Med. 363:1621.
  11. Laan, M. et al. (2012) Curr. Opin. Endocrinol. Diabetes Obes. 19:220.
  12. Franchimont, P. et al. (1975) J. Reprod. Fertil. 44:335.
Long Name
Follicle Stimulating Hormone
Entrez Gene IDs
2488 (Human); 14308 (Mouse); 25447 (Rat)
Alternate Names
FSH alpha/beta

Citations for Recombinant Mouse FSH alpha/beta Protein

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

4 Citations: Showing 1 - 4
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  1. Post-thaw viability of mouse preantral follicles after cryopreservation with cryotube freezing and OPS vitrification procedures
    Authors: L Bordás, B Somosk?i, D Török, BN Vincze, S Cseh
    Reproductive biology, 2023-03-09;23(2):100752.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay
  2. Low WIP1 Expression Accelerates Ovarian Aging by Promoting Follicular Atresia and Primordial Follicle Activation
    Authors: S Zhou, Y Xi, Y Chen, F Fu, W Yan, M Li, Y Wu, A Luo, Y Li, S Wang
    Cells, 2022-12-03;11(23):.
    Species: Mouse
    Sample Types: Whole Cell
    Applications: Cell Culture
  3. Construction of Artificial Ovaries with Decellularized Porcine Scaffold and Its Elicited Immune Response after Xenotransplantation in Mice
    Authors: T Wu, YY Gao, XN Tang, JJ Zhang, SX Wang
    Journal of functional biomaterials, 2022-09-28;13(4):.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay
  4. Follicle-stimulating hormone worsens osteoarthritis by causing inflammation and chondrocyte dedifferentiation
    Authors: Z Huan, Y Wang, M Zhang, X Zhang, Y Liu, L Kong, J Xu
    FEBS Open Bio, 2021-06-27;0(0):.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay

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