WB, IP, IHC-P, IF-IC, FC-FP
H
Endogenous
27
Rabbit IgG
#O60936
8996
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| Immunoprecipitation | 1:100 |
| Immunohistochemistry (Paraffin) | 1:400 |
| Immunofluorescence (Immunocytochemistry) | 1:1600 |
| Flow Cytometry (Fixed/Permeabilized) | 1:100 |
Storage
Specificity / Sensitivity
Species Reactivity:
Human
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Pro125 of human ARC protein, specific to a region encoded by isoform 2 of the NOL3 gene.
Background
Apoptosis repressor with caspase recruitment domain (ARC), also independently identified as muscle-enriched cytoplasmic protein (MYP), is a CARD domain protein that regulates apoptosis (1). The ARC protein CARD domain is highly homologous to those in other cell death regulators, including caspase-2, caspase-9, RAIDD, and Apaf-1 (2). The NOL3 gene encodes both the cytoplasmic ARC protein and a 30 kDa nucleolar protein (Nop30) that is involved in RNA splicing. ARC is encoded from isoform 2 of NOL3, while isoform 1 produced by alternative splicing encodes Nop30. Both ARC and Nop30 proteins share common amino-terminal sequences (3). Research studies show that ARC can bind to caspase-8 and caspase-2 and inhibit apoptosis through extrinsic pathways that involve the receptor proteins Fas, TNFR1, and DR3 (1). Additional research indicates that the ARC anti-apoptotic mechanism may include both intrinsic (mitochondrial) and extrinsic (death receptor) pathways (4). In addition to binding caspases, ARC can disrupt the interaction with the death domains of Fas and FADD, which inhibits death-inducing signaling complex (DISC) assembly. The CARD domain of ARC can inhibit intrinsic apoptosis through binding to the pro-apoptotic Bax protein (5). Phosphorylation of ARC at Thr149 by CK2 is required for targeting of ARC to the mitochondria (6). ARC is able to suppress necroptosis, a programmed pathway of necrosis triggered by blocking the recruitment of RIP1 to TNFR1 (7). Expression of ARC protein is predominantly seen in terminally differentiated cells under normal conditions and is markedly induced in a variety of cancers including pancreatic, colorectal, breast, lung, glioblastoma, liver, kidney, melanoma, and acute myeloid leukemia (1, 8-12).
- Koseki, T. et al. (1998) Proc Natl Acad Sci U S A 95, 5156-60.
- Hofmann, K. et al. (1997) Trends Biochem Sci 22, 155-6.
- Stoss, O. et al. (1999) J Biol Chem 274, 10951-62.
- Nam, Y.J. et al. (2004) Mol Cell 15, 901-12.
- Gustafsson, A.B. et al. (2004) J Biol Chem 279, 21233-8.
- Li, P.F. et al. (2002) Mol Cell 10, 247-58.
- Kung, G. et al. (2014) Cell Death Differ 21, 634-44.
- Mercier, I. et al. (2008) Cell Cycle 7, 1640-7.
- Wang, M. et al. (2005) FEBS Lett 579, 2411-5.
- Mercier, I. et al. (2005) Cell Death Differ 12, 682-6.
- Chen, L.H. et al. (2008) Cancer Res 68, 834-42.
- Carter, B.Z. et al. (2011) Blood 117, 780-7.
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 IHC-P: Immunohistochemistry (Paraffin) IF-IC: Immunofluorescence (Immunocytochemistry) FC-FP: Flow Cytometry (Fixed/Permeabilized)
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
限制使用
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