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Recombinant Steroidogenic Factor 1 (SF-1) [SF1/8000R]

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Summary

Steroidogenic Factor 1 (SF-1) is considered an orphan nuclear receptor that belongs to subfamily 5. It was found to be a regulator of steroidogenic enzyme gene expression. Oxysterols are suggested as its ligands. It is expressed in all steroidogenic tissues, including the adrenal cortex, testicular Sertoli cells, and Leydig cells, ovarian theca, hypothalamus, and anterior pituitary. SF-1 plays an important role in adrenal and gonadal development.SF-1 is highly valuable marker to determine the adrenocortical origin of an adrenal mass.

Product Properties & Targets

Host
Rabbit
Species Reactivity
Human, Rat
Isotype
IgG, kappa
Cellular Localization
Nucleus.
Gene Name
NR5A1
Positive Control
Human testis or adrenal cortical carcinoma.
Immunogen
Recombinant fragment (around aa200-400) of human SF-1 protein (exact sequence is proprietary)
Alternate Names
Steroidogenic factor 1, Adrenal 4-binding protein, Fushi tarazu factor homolog 1, Nuclear receptor subfamily 5 group A member 1, Steroid hormone receptor Ad4BP, Adrenal 4 binding protein (AD4BP); ELP; Fushi tarazu factor homolog 1 (FTZ1); Nuclear receptor AdBP4; Nuclear receptor subfamily 5 group A member 1 (NR5A1); POF7; SPGF8; SRXY3; Steroid hormone receptor Ad4BP; Steroidogenic factor 1 (SF1); Steroidogenic factor 1 nuclear receptor; STF1

Database Links

Entrez Gene ID
2516
Unigene
495108
SwissProt
Q13285

Additional Information

Clone
SF1/8000R
Human Gene Symbol
NR5A1
Chromosome Location
9q33.3
Mol. Weight of Antigen
53kDa

Functions

  • Transcriptional activator. Essential for sexual differentiation and formation of the primary steroidogenic tissues (PubMed:27378692). Binds to the Ad4 site found in the promoter region of steroidogenic P450 genes such as CYP11A, CYP11B and CYP21B. Also regulates the AMH/Muellerian inhibiting substance gene as well as the AHCH and STAR genes. 5'-YCAAGGYC-3' and 5'-RRAGGTCA-3' are the consensus sequences for the recognition by NR5A1 (PubMed:27378692). The SFPQ-NONO-NR5A1 complex binds to the CYP17 promoter and regulates basal and cAMP-dependent transcriptional activity. Binds phosphatidylcholine (By similarity). Binds phospholipids with a phosphatidylinositol (PI) headgroup, in particular PI(3, 4)P2 and PI(3, 4, 5)P3. Activated by the phosphorylation of NR5A1 by HIPK3 leading to increased steroidogenic gene expression upon cAMP signaling pathway stimulation.

Known Applications & Suggested Dilutions

  • Immunohistochemistry (Formalin-fixed) (1-2ug/ml for 30 minutes at RT),(Staining of formalin-fixed tissues requires heating tissue sections in 10mM Tris with 1mM EDTA, pH 9.0, for 45 min at 95&degC followed by cooling at RT for 20 minutes),Optimal dilution for a specific application should be determined.

Key References

  • Zhao C, Vinh TN, et al. Am J Surg Pathol. 2009; 33:354-66.
  • Sangoi AR, et al. AmJ Surg Pathol. 2011; 35:678-86.

PubMed Links

Storage & Stability

Antibody with azide - store at 2 to 8°C. Antibody without azide - store at -20 to -80°C. Antibody is stable for 24 months. Non-hazardous. No MSDS required.

Limitations

This antibody is available for research use only and is not approved for use in diagnosis.

Supplied as

200ug/ml of Ab purified from Bioreactor Concentrate by Protein A/G. Prepared in 10mM PBS with 0.05% BSA & 0.05% azide. Also available WITHOUT BSA & azide at 1.0mg/ml.

Warranty

There are no warranties, expressed or implied, which extend beyond this description. Company is not liable for any personal injury or economic loss resulting from this product.

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