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FLRG / Fstl3 Antibody, Rabbit PAb, Antigen Affinity Purified

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Mouse Fstl3/FLRG Antibody Product Information
Immunogen:Recombinant Mouse FLRG protein (Catalog#50029-M08H)
Clone ID:
Ig Type:Rabbit IgG
Formulation:0.2 μm filtered solution in PBS with 5% trehalose
Preparation:Produced in rabbits immunized with purified, recombinant Mouse FLRG (rM FLRG; Catalog#50029-M08H; NP_113557.1; Met 1-Val 256). FLRG specific IgG was purified by mouse FLRG affinity chromatography .
Mouse Fstl3/FLRG Antibody Usage Guide
Specificity:Mouse FSTL3 / FLRG
Application:ELISA, IHC-P

ELISA: 0.5-1.0 μg/mL

This antibody can be used at 0.5-1.0 μg/mL with the appropriate secondary reagents to detect Mouse FLRG. The detection limit for Mouse FLRG is 0.00245 ng/well.

IHC-P: 0.1-2 μg/mL

Storage:This antibody can be stored at 2℃-8℃ for one month without detectable loss of activity. Antibody products are stable for twelve months from date of receipt when stored at -20℃ to -80℃. Preservative-Free.
Sodium azide is recommended to avoid contamination (final concentration 0.05%-0.1%). It is toxic to cells and should be disposed of properly. Avoid repeated freeze-thaw cycles.
Mouse Fstl3/FLRG Antibody IHC Application Image
FLRG / Fstl3 Antibody, Rabbit PAb, Antigen Affinity Purified, Immunohistochemistry
[Click to enlarge image]
Immunochemical staining of mouse FLRG in mouse kidney with rabbit polyclonal antibody (1 µg/mL, formalin-fixed paraffin embedded sections).The image showing nucleus staining of nephric tubule. The left panel: tissue incubated with primary antibody; The right panel: tissue incubated with the mixture of primary antibody and antigen (recombinant protein).
FLRG / Fstl3 Antibody, Rabbit PAb, Antigen Affinity Purified, Immunohistochemistry
[Click to enlarge image]
Immunochemical staining of mouse FLRG in mouse lung with rabbit polyclonal antibody (1 µg/mL, formalin-fixed paraffin embedded sections).
Other Fstl3/FLRG Antibody Products
FLRG/Fstl3 Background

Follistatin-like 3 (FLRG/Fstl3) is a secreted glycoprotein of the follistatin-module-protein family. It may have a role in leukemogenesis. FLRG/Fstl3 is a recently described member of the FST family having an overall structure and activity profile similar to that of FST, including binding and neutralization of activin. FLRG/Fstl3 is expressed in a wide range of adult tissues, not detected in hematopoietic cells except in patients with a B cell chronic leukemia and a translocation. Isoform 1 or the secreted form is a binding and antagonizing protein for members of the TGF-beta family, such us activin, BMP2 and MSTN. Inhibits activin A-, activin B-, BMP2- and MSDT-induced cellular signaling; more effective on activin A than on activin B. Involved in bone formation; inhibits osteoclast differentiationc. Involved in hematopoiesis; involved in differentiation of hemopoietic progenitor cells, increases hematopoietic cell adhesion to fibronectin and seems to contribute to the adhesion of hematopoietic precursor cells to the bone marrow stroma. Isoform 2 of FLRG/Fstl3 or the nuclear form of FLRG/Fstl3 is probably involved in transcriptional regulation via interaction with MLLT10. Modulation of activin and other TGFβ superfamily signaling is the primary mechanism of action for both follistatin (FS) and FS-like 3 (FSTL-3). FLRG/Fstl3 is likely to be a local regulator of activin action in gonadal development and gametogenesis and, further, that activin appears to have important actions in gonadal development and function that are critical for normal reproduction.

Mouse FLRG/Fstl3 References
  • Sidis Y, et al. (2006) Biological activity of follistatin isoforms and follistatin-like-3 is dependent on differential cell surface binding and specificity for activin, myostatin, and bone morphogenetic proteins. Endocrinology. 147(7): 3586-97.
  • Schneyer A, et al. (2003) Differential binding and neutralization of activins A and B by follistatin and follistatin like-3 (FSTL-3/FSRP/FLRG). Endocrinology. 144(5): 1671-4.
  • Xia Y, et al. (2004) Overexpression of follistatin-like 3 in gonads causes defects in gonadal development and function in transgenic mice. Mol Endocrinol. 18(4): 979-94.
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    Catalog: 50029-RP02-50
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