Recombinant Mouse FSH alpha/beta Protein

R&D Systems, part of Bio-Techne | Catalog # 8576-FS

R&D Systems, part of Bio-Techne
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Carrier Free
8576-FS-010/CF
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With Carrier
8576-FS-010
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Key Product Details

  • R&D Systems CHO-derived Recombinant Mouse FSH alpha/beta Protein (8576-FS)
  • Quality control testing to verify active proteins with lot specific assays by in-house scientists
  • All R&D Systems proteins are covered with a 100% guarantee

Source

CHO

Accession #

Q60687 (FSH beta) & P01216 (FSH alpha)

Conjugate

Unconjugated

Applications

Bioactivity

View all FSH alpha/beta Proteins and Enzymes »

Product Specifications

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

Purity

>95%, by SDS-PAGE with silver staining.

Endotoxin Level

<0.10 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis

His20

Predicted Molecular Mass

24 kDa

SDS-PAGE

40-55 kDa, reducing conditions

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.

Formulation, Preparation and Storage

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.

Carrier: 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.
Carrier Free: 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.

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)

Gene Symbol

FSHB

UniProt

Q60687 (FSH beta) & P01216 (FSH alpha)

Additional FSH alpha/beta Products

Product Documents for Recombinant Mouse FSH alpha/beta Protein

Product Datasheets

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

Download SDS 8576-FS (with carrier)
Download SDS 8576-FS/CF (carrier free)

Product Specific Notices for Recombinant Mouse FSH alpha/beta Protein

For research use only

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