Revision 1

#37315Store at -20C

Cell Signaling Technology

Orders: 877-616-CELL (2355) [email protected]

Support: 877-678-TECH (8324)

Web: [email protected] cellsignal.com

3 Trask LaneDanversMassachusetts01923USA
For Research Use Only. Not for Use in Diagnostic Procedures.
Applications:

WB, IP

REACTIVITY:

H Mk

SENSITIVITY:

Endogenous

MW (kDa):

50, 60

Source/Isotype:

Rabbit IgG

UniProt ID:

#O43251

Entrez-Gene Id:

23543

Product Information

Product Usage Information

Application Dilution
Western Blotting 1:1000
Immunoprecipitation 1:100

Storage

Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/mL BSA, 50% glycerol, and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.

Specificity / Sensitivity

RBM9 (E7W6U) Rabbit mAb recognizes endogenous levels of total RBM9 protein. This antibody detects multiple isoforms of RBM9.

Species Reactivity:

Human, Monkey

Source / Purification

Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Ala77 of human RBM9 protein.

Background

RBM9, also known as RBFOX2, is an RNA-binding protein involved in the regulation of tissue specific alternative splicing (1). RBM9 is widely expressed in many tissues throughout various developmental stages. Several isoforms of this protein are generated by variable use of multiple alternatively spliced internal exons and alternative splice sites (2-4). RBM9 is predominantly localized in the nucleus, where it regulates alternative pre-mRNA splicing. This factor was also identified to be a novel constituent of cytoplasmic stress granules (SGs), and its RNA binding activity is necessary for its localization into SGs (5). Notably, RBM9 dissociation from SGs suppresses cancer progression (6). The splicing-regulatory role of RBM9 has also been implicated as a tumor suppressor in pancreatic ductal adenocarcinoma (PDA) and could serve as a therapeutic approach for metastatic PDA (7).

  1. Arya, A.D. et al. (2014) Biochem Soc Trans 42, 1180-3.
  2. Jin, Y. et al. (2003) EMBO J 22, 905-12.
  3. Kim, K.K. et al. (2011) Nucleic Acids Res 39, 3064-78.
  4. Nakahata, S. and Kawamoto, S. (2005) Nucleic Acids Res 33, 2078-89.
  5. Park, C. et al. (2017) Sci Rep 7, 11211.
  6. Choi, S. et al. (2019) Exp Mol Med 51, 1-12.
  7. Jbara, A. et al. (2023) Nature 617, 147-153.

Species Reactivity

Species reactivity is determined by testing in at least one approved application (e.g., western blot).

Western Blot Buffer

IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v BSA, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.

Applications Key

WB: Western Blotting IP: Immunoprecipitation

Cross-Reactivity Key

H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected

Trademarks and Patents

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
All other trademarks are the property of their respective owners. Visit cellsignal.com/trademarks for more information.

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