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#41019Store 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

SENSITIVITY:

Endogenous

MW (kDa):

46, 48

SOURCE:

Rabbit

UniProt ID:

#Q9Y5Q3

Entrez-Gene Id:

9935

Product Information

Product Usage Information

Application Dilution
Western Blotting 1:1000
Immunoprecipitation 1:50

Storage

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

Specificity / Sensitivity

MAFB Antibody recognizes endogenous levels of total MAFB protein. Based on sequence similarity, this antibody is not predicted to cross-react with MAFA.

Species Reactivity:

Human

Source / Purification

Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding of human Pro188 protein. Antibodies are purified by protein A and peptide affinity chromatography.

Background

MAFB belongs to the musculoaponeurotic fibrosarcoma (MAF) family of basic leucine-zipper transcription factors (1). In mouse embryo, MAFB expression is first detected at E10.5 (2,3). Early in development, MAFB drives differentiation of both glucagon-producing α-cells and insulin-producing β-cells in the pancreas, but later plays a more decisive role in the maturation and maintenance of functional α-cells (4,5). Consistent with MAFB playing a critical role in mature α-cells, MAFB is enriched in α-cells within two weeks of birth in the pancreas (6). Glucagon and insulin secretion is tightly regulated, and imbalances in these hormones contribute to metabolic conditions. Therefore, understanding the role of MAFB in α-cell development, maintenance, and physiological function may contribute to developing deeper insights into how these cells contribute to metabolic diseases like diabetes. MAFB also regulates monocyte differentiation, indicating MAFB functions beyond the pancreas (7).

  1. Hang, Y. and Stein, R. (2011) Trends Endocrinol Metab 22, 364-73.
  2. Nishimura, W. et al. (2006) Dev Biol 293, 526-39.
  3. Artner, I. et al. (2006) Diabetes 55, 297-304.
  4. Katoh, M.C. et al. (2018) Mol Cell Biol 38, e00504-17.
  5. Artner, I. et al. (2007) Proc Natl Acad Sci U S A 104, 3853-8.
  6. Artner, I. et al. (2010) Diabetes 59, 2530-9.
  7. Wu, X. et al. (2016) J Exp Med 213, 2553-65.

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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