This gene encodes a member of the Snail family of C2H2-type zinc finger transcription factors. The encoded protein acts as a transcriptional repressor that binds to E-box motifs and is also likely to repress E-cadherin transcription in breast carcinoma. This protein is involved in epithelial-mesenchymal transitions and has antiapoptotic activity. Mutations in this gene may be associated with sporatic cases of neural tube defects. [provided by RefSeq, Jul 2008].
Function:
Transcriptional repressor. Involved in the generation and migration of neural crest cells. Plays a role in mediating RAF1-induced transcriptional repression of the TJ protein, occluding (OCLN) and subsequent oncogenic transformation of epithelial cells.
Subunit:
Interacts (via SNAG domain) with LIMD1 (via LIM domains), WTIP (via LIM domains) and AJUBA (via LIM domains).
Subcellular Location:
Nucleus. Cytoplasm. Note=Observed in discrete foci in interphase nuclei. These nuclear foci do not overlap with the nucleoli, the SP100 and the HP1 heterochromatin or the coiled body, suggesting SNAI2 is associated with active transcription or active splicing regions.
Tissue Specificity:
Expressed in most adult human tissues, including spleen, thymus, prostate, testis, ovary, small intestine, colon, heart, brain, placenta, lung, liver, skeletal muscle, kidney and pancreas. Not detected in peripheral blood leukocyte. Expressed in the dermis and in all layers of the epidermis, with high levels of expression in the basal layers (at protein level). Expressed in osteoblasts (at protein level). Expressed in mesenchymal stem cells (at protein level). Expressed in breast tumor cells (at protein level).
Post-translational modifications:
GSK3B-mediated phosphorylation results in cytoplasmic localization and degradation.
DISEASE:
Defects in SNAI2 are the cause of Waardenburg syndrome type 2D (WS2D) . WS2 is a genetically heterogeneous, autosomal dominant disorder characterized by sensorineural deafness, pigmentary disturbances, and absence of dystopia canthorum. The frequency of deafness is higher in WS2 than in WS1
Similarity:
Belongs to the snail C2H2-type zinc-finger protein family.
Contains 5 C2H2-type zinc fingers.
SWISS:
O43623
Gene ID:
6591
Database links:
Entrez Gene: 6591 Human
Entrez Gene: 20583 Mouse
Entrez Gene: 641345 Pig
Entrez Gene: 25554 Rat
Entrez Gene: 432368 Chicken
Entrez Gene: 520631 Cow
Omim: 602150 Human
SwissProt: Q3MHQ4 Cow
SwissProt: O43623 Human
SwissProt: P97469 Mouse
SwissProt: Q3UZ96 Mouse
SwissProt: O08954 Rat
Unigene: 72174 Human
Unigene: 4272 Mouse
Unigene: 43117 Rat
转录调节因子（Transcriptin Regulators）
锌指转录因子Slug主要用于消化系统肿瘤转移方面的研究。
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Sample:
Lane1: Heart (Rat) Lysate at 30 ug
Lane2: Liver (Rat) Lysate at 30 ug
Primary: Anti-SNAI2/SLUG (SL1382R) at 1:200 dilution;
Secondary: HRP conjugated Goat Anti-Rabbit IgG(SL0295G-HRP) at 1: 3000 dilution;
Predicted band size : 30kD
Observed band size : 30kD
Sample:
Lane 1: Mouse Breast tissue lysates
Lane 2: Mouse Placenta tissue lysates
Lane 3: Human MDA-MB-231 cell lysates
Lane 4: Human U2OS cell lysates
Primary: Anti-SNAI2 (SL1382R) at 1/1000 dilution
Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution
Predicted band size: 30 kDa
Observed band size: 34 kDa
Tissue/cell: human lung carcinoma; 4% Paraformaldehyde-fixed and paraffin-embedded;
Antigen retrieval: citrate buffer ( 0.01M, pH 6.0 ), Boiling bathing for 15min; Block endogenous peroxidase by 3% Hydrogen peroxide for 30min; Blocking buffer (normal goat serum,SLC0005) at 37℃ for 20 min;
Incubation: Anti-SNAI2 Polyclonal Antibody, Unconjugated(SL1382R) 1:500, overnight at 4°C, followed by conjugation to the secondary antibody(SP-0023) and DAB(SLC0010) staining
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