Product: FSHR Antibody
Catalog: AF5242
Description: Rabbit polyclonal antibody to FSHR
Application: WB IHC IF/ICC
Cited expt.: WB, IHC, IF/ICC
Reactivity: Human, Mouse, Rat
Prediction: Pig, Bovine, Horse, Sheep, Rabbit
Mol.Wt.: 78 kDa; 78kD(Calculated).
Uniprot: P23945
RRID: AB_2837728

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 100ul $280 In stock
 200ul $350 In stock

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Product Info

Source:
Rabbit
Application:
WB 1:500-1:2000, IHC 1:50-1:200, IF/ICC 1:100-1:500
*The optimal dilutions should be determined by the end user. For optimal experimental results, antibody reuse is not recommended.
*Tips:

WB: For western blot detection of denatured protein samples. IHC: For immunohistochemical detection of paraffin sections (IHC-p) or frozen sections (IHC-f) of tissue samples. IF/ICC: For immunofluorescence detection of cell samples. ELISA(peptide): For ELISA detection of antigenic peptide.

Reactivity:
Human,Mouse,Rat
Prediction:
Pig(100%), Bovine(100%), Horse(100%), Sheep(100%), Rabbit(100%)
Clonality:
Polyclonal
Specificity:
FSHR Antibody detects endogenous levels of total FSHR.
RRID:
AB_2837728
Cite Format: Affinity Biosciences Cat# AF5242, RRID:AB_2837728.
Conjugate:
Unconjugated.
Purification:
The antiserum was purified by peptide affinity chromatography using SulfoLink™ Coupling Resin (Thermo Fisher Scientific).
Storage:
Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.
Alias:

Fold/Unfold

Follicle stimulating hormone receptor; Follicle stimulating hormone receptor isoform 1; Follicle-stimulating hormone receptor; Follitropin receptor; FSH receptor; FSH-R; Fshr; FSHR_HUMAN; FSHRO; LGR1; MGC141667; MGC141668; ODG1; ovarian dysgenesis 1;

Immunogens

Immunogen:

A synthesized peptide derived from human FSHR, corresponding to a region within the internal amino acids.

Uniprot:
Gene(ID):
Expression:
P23945 FSHR_HUMAN:

Sertoli cells and ovarian granulosa cells.

Description:
Receptor for follicle-stimulating hormone. The activity of this receptor is mediated by G proteins which activate adenylate cyclase.
Sequence:
MALLLVSLLAFLSLGSGCHHRICHCSNRVFLCQESKVTEIPSDLPRNAIELRFVLTKLRVIQKGAFSGFGDLEKIEISQNDVLEVIEADVFSNLPKLHEIRIEKANNLLYINPEAFQNLPNLQYLLISNTGIKHLPDVHKIHSLQKVLLDIQDNINIHTIERNSFVGLSFESVILWLNKNGIQEIHNCAFNGTQLDELNLSDNNNLEELPNDVFHGASGPVILDISRTRIHSLPSYGLENLKKLRARSTYNLKKLPTLEKLVALMEASLTYPSHCCAFANWRRQISELHPICNKSILRQEVDYMTQARGQRSSLAEDNESSYSRGFDMTYTEFDYDLCNEVVDVTCSPKPDAFNPCEDIMGYNILRVLIWFISILAITGNIIVLVILTTSQYKLTVPRFLMCNLAFADLCIGIYLLLIASVDIHTKSQYHNYAIDWQTGAGCDAAGFFTVFASELSVYTLTAITLERWHTITHAMQLDCKVQLRHAASVMVMGWIFAFAAALFPIFGISSYMKVSICLPMDIDSPLSQLYVMSLLVLNVLAFVVICGCYIHIYLTVRNPNIVSSSSDTRIAKRMAMLIFTDFLCMAPISFFAISASLKVPLITVSKAKILLVLFHPINSCANPFLYAIFTKNFRRDFFILLSKCGCYEMQAQIYRTETSSTVHNTHPRNGHCSSAPRVTNGSTYILVPLSHLAQN

Predictions

Predictions:

Score>80(red) has high confidence and is suggested to be used for WB detection. *The prediction model is mainly based on the alignment of immunogen sequences, the results are for reference only, not as the basis of quality assurance.

Species
Results
Score
Pig
100
Horse
100
Bovine
100
Sheep
100
Rabbit
100
Chicken
70
Xenopus
50
Dog
0
Zebrafish
0
Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

Research Backgrounds

Function:

G protein-coupled receptor for follitropin, the follicle-stimulating hormone. Through cAMP production activates the downstream PI3K-AKT and ERK1/ERK2 signaling pathways.

PTMs:

Sulfated.

N-glycosylated; indirectly required for FSH-binding, possibly via a conformational change that allows high affinity binding of hormone.

Subcellular Location:

Cell membrane>Multi-pass membrane protein.

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
Tissue Specificity:

Sertoli cells and ovarian granulosa cells.

Family&Domains:

Belongs to the G-protein coupled receptor 1 family. FSH/LSH/TSH subfamily.

Research Fields

· Environmental Information Processing > Signal transduction > cAMP signaling pathway.   (View pathway)

· Environmental Information Processing > Signaling molecules and interaction > Neuroactive ligand-receptor interaction.

· Organismal Systems > Endocrine system > Ovarian steroidogenesis.

References

1). A novel nuclear receptor NR1D1 suppresses HSD17B12 transcription to regulate granulosa cell apoptosis and autophagy via the AMPK pathway in sheep. International journal of biological macromolecules, 2025 (PubMed: 39986531) [IF=7.7]

2). Di-(2-ethylhexyl) phthalate exposure induces ferroptosis by regulating the Nrf2-mediated signaling pathway in mouse ovaries. Ecotoxicology and environmental safety, 2024 (PubMed: 39321527) [IF=6.2]

3). CCDC134 enhances ovarian reserve function and angiogenesis by directly interacting with INHA in a mouse model of premature ovarian insufficiency. Apoptosis : an international journal on programmed cell death, 2025 (PubMed: 40042746) [IF=6.1]

4). DNA Methylation Mediates the Transcription of STAT4 to Regulate KISS1 During Follicular Development. Cells, 2025 (PubMed: 40214477) [IF=6.0]

Application: WB    Species: Mouse    Sample:

Figure 2. Effects of STAT4 on the function of GCs. The mRNA of cellular proliferation (A), cell cycle (B) and estrogen secretion-related genes (C) detected in GCs with STAT4 overexpression and knockdown. (D) The protein levels of STAR, P65, FSHR and CCNE1 in GCs with STAT4 overexpression and knockdown. The CCK-8 assay shows the viability of GCs with STAT4 overexpression (E) and knockdown (F). The EDU assay shows the proliferation of GCs with STAT4 overexpression (G) and knockdown (H). The measurements of cell cycle distributions in GCs with STAT4 overexpression (I) and knockdown (J). The measurements of E2 secretions in GCs with STAT4 overexpression (K) and knockdown (L). ns: not significant, *** p < 0.001, ** p < 0.01 and * p < 0.05.

5). Study on the effects and mechanisms of Wenzhong Bushen Formula in improving ovarian reserve decline in mice based on network pharmacology. Journal of ethnopharmacology, 2024 (PubMed: 38218503) [IF=4.8]

6). hUCMSCs restore ovarian function via angiopoietin 1/2 rebalance in POI rats. Journal of ovarian research, 2025 (PubMed: 41254793) [IF=4.0]

Application: IF/ICC    Species: human    Sample:

Fig. 5 Isolation and identification of rat ovarian microvascular endothelial cells (ROMECs). A Morphology of ROMECs (40×). B Viability of ROMECs after CTX treated. C Immunofluorescence staining of CD31, FSHR, Cyp17a1 (200×). DAPI is blue and stains the nucleus; CD31 positive is green; FSHR and Cyp17a1 positive are red. D Tube formation assay of ROMECs. Data were shown as mean ± SD of at least three independent experiments.

7). IFI6 regulation of physiological functions in granulosa cells. CELLULAR SIGNALLING, 2025 [IF=3.7]

8). Elevated prohibitin 1 expression mitigates glucose metabolism defects in granulosa cells of infertile patients with endometriosis. Molecular human reproduction, 2022 (PubMed: 35639746) [IF=3.6]

Application: IF/ICC    Species: human    Sample:

Figure 1.Glucose metabolism in granulosa cells from patients with endometriosis. (A) The purity of human follicular granulosa cells was determined by immunofluorescence with an antibody against FSH receptor (FSHR), which is specifically expressed in granulosa cells. KGN cells serve as the positive reference. FSHR is shown in red, and the nuclei are stained by 4′,6-diamidino-2-phenylindole (DAPI), shown in blue. (B) Glucose consumption in human granulosa cells cultured in vitro for 24 and 48 h from the endometriosis (EMS) and control (Ctrl) groups, n = 15. (C) Production of lactic acid when human granulosa cells were cultured in vitro for 24 and 48 h, n = 15. The mRNA levels of enzymes related to glucose metabolism in human primary granulosa cells were analyzed by quantitative PCR, including (D) glucose transporters (Glut1 and Glut3); (E) glycolytic pathway-related enzymes: HK1, PFKM, ALDOC, PGK1, ENO1α and PKM; (F) pyruvate metabolism-related enzymes: LDHA, PDHA1 and PDK1; and (G) tricarboxylic acid (TCA) cycle-related enzymes: CS, IDH, OGDH, SDHB, n = 15. The results were analyzed by unpaired Student’s t-test, *P < 0.05, **P < 0.01, error bars show the SEM. ALDOC, aldolase C; CS, citrate synthase; ENO1α, enolase 1α; HK1, hexokinase 1; IDH, isocitrate dehydrogenase; LDHA, lactate dehydrogenase A; OGDH, oxoglutarate dehydrogenase; PDHA1, pyruvate dehydrogenase A1; PDK1, pyruvate dehydrogenase kinase 1; PFKM, phosphofructokinase M; PGK1, phosphoglycerate kinase 1; PKM, pyruvate kinase; SDHB, succinate dehydrogenase B.

9). Effects of icariin as a feed additive on the reproductive function in bucks (Capra hircus). Frontiers in veterinary science, 2024 (PubMed: 39575435) [IF=3.2]

Application: IHC    Species: goat    Sample:

Figure 4. Administration of ICA to dairy goats increased the expression of hormone receptors and testosterone synthesis in the testes. (A) Immunohistochemistry analyzes the distribution of hormonal receptors in the testes. (a) The distribution of LHR in the control group. (b) The distribution of LHR in the ICA group. (c) The distribution of FSHR in the control group. (d) The distribution of FSHR in the ICA group. (e) The distribution of AR in the control group. (f) The distribution of AR in the ICA group. (g) The distribution of 3β-HSD in the control group. (h) The distribution of 3β-HSD in the ICA group. ST, seminiferous tubules; Lu, lumen; Curved arrow, Sertoli cells; Arrow, Leydig cells; Scale bar = 100 μm. (B) qPCR and western blot analyze the mRNA and protein expression in the testes. (a) The mRNA levels of AR, LHR, and FSHR were examined by qPCR. (b) The mRNA levels of steroidogenesis enzymes were examined by qPCR. (c) Western blot analysis was performed to measure the expression of target proteins. β-actin was utilized as a loading control. (d,e) The histogram represents the quantification of proteins levels. Each value represents the mean ± SEM, *p 

10). Elevated RBP4 in Subclinical Ketosis Cows Inhibits Follicular Granulosa Cell Proliferation and Steroid Hormone Synthesis. Animals : an open access journal from MDPI, 2024 (PubMed: 39518840) [IF=3.0]

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