产品: SNAIL 抗体
货号: AF6032
描述: Rabbit polyclonal antibody to SNAIL
应用: WB IHC IF/ICC
反应: Human, Mouse, Rat
预测: Pig, Bovine, Horse, Rabbit, Dog, Chicken, Xenopus
分子量: 29kDa; 29kD(Calculated).
蛋白号: O95863
RRID: AB_2834965

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产品描述

来源:
Rabbit
应用:
WB 1:500-1:2000, IHC 1:50-1:200, IF/ICC 1:100-1:500
*The optimal dilutions should be determined by the end user.
*Tips:

WB: 适用于变性蛋白样本的免疫印迹检测. IHC: 适用于组织样本的石蜡(IHC-p)或冰冻(IHC-f)切片样本的免疫组化/荧光检测. IF/ICC: 适用于细胞样本的荧光检测. ELISA(peptide): 适用于抗原肽的ELISA检测.

反应:
Human,Mouse,Rat
预测:
Pig(86%), Bovine(86%), Horse(100%), Rabbit(100%), Dog(86%), Chicken(86%), Xenopus(86%)
克隆:
Polyclonal
特异性:
SNAIL Antibody detects endogenous levels of total SNAIL.
RRID:
AB_2834965
引用格式: Affinity Biosciences Cat# AF6032, RRID:AB_2834965.
偶联:
Unconjugated.
纯化:
The antiserum was purified by peptide affinity chromatography using SulfoLink™ Coupling Resin (Thermo Fisher Scientific).
保存:
Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.
别名:

展开/折叠

dJ710H13.1; Protein sna; Protein snail homolog 1; Protein snail homolog; SLUGH2; SNA; Sna protein; SNAH; SNAI; snai1; SNAI1_HUMAN; Snail 1 homolog; Snail 1 zinc finger protein; SNAIL; Snail homolog 1 (Drosophila); SNAIL, Drosophila, homolog of, 1; SNAIL1; Zinc finger protein SNAI1;

抗原和靶标

免疫原:
Uniprot:
基因/基因ID:
表达:
O95863 SNAI1_HUMAN:

Expressed in a variety of tissues with the highest expression in kidney. Expressed in mesenchymal and epithelial cell lines.

描述:
This protein has many roles during postimplantation development. It is involved in embryonic mesoderm formation and its maintenance and may also be involved in chondrogenesis and in epithelial-mesenchymal inductive interactions.
序列:
MPRSFLVRKPSDPNRKPNYSELQDSNPEFTFQQPYDQAHLLAAIPPPEILNPTASLPMLIWDSVLAPQAQPIAWASLRLQESPRVAELTSLSDEDSGKGSQPPSPPSPAPSSFSSTSVSSLEAEAYAAFPGLGQVPKQLAQLSEAKDLQARKAFNCKYCNKEYLSLGALKMHIRSHTLPCVCGTCGKAFSRPWLLQGHVRTHTGEKPFSCPHCSRAFADRSNLRAHLQTHSDVKKYQCQACARTFSRMSLLHKHQESGCSGCPR

种属预测

种属预测:

score>80的预测可信度较高,可尝试用于WB检测。*预测模型主要基于免疫原序列比对,结果仅作参考,不作为质保凭据。

Species
Results
Score
Rabbit
100
Horse
100
Pig
86
Bovine
86
Dog
86
Xenopus
86
Chicken
86
Sheep
0
Zebrafish
0
Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

翻译修饰 - O95863 作为底物

Site PTM Type Enzyme
S11 Phosphorylation P17612 (PRKACA) , P68400 (CSNK2A1) , Q15139 (PRKD1) , Q13131 (PRKAA1)
S82 Phosphorylation P28482 (MAPK1)
S90 Phosphorylation
S92 Phosphorylation P68400 (CSNK2A1) , P49841 (GSK3B) , P67870 (CSNK2B) , Q13131 (PRKAA1)
S96 Phosphorylation P49841 (GSK3B)
S100 Phosphorylation P49841 (GSK3B) , Q13315 (ATM)
S104 Phosphorylation P49841 (GSK3B) , P28482 (MAPK1) , P49674 (CSNK1E)
S107 Phosphorylation P49674 (CSNK1E) , P49841 (GSK3B)
S111 Phosphorylation P49841 (GSK3B)
S112 O-Glycosylation
S115 Phosphorylation P49841 (GSK3B)
S119 Phosphorylation P49841 (GSK3B)
K187 Acetylation
T201 Phosphorylation
T203 Phosphorylation Q9NRM7 (LATS2)
K206 Ubiquitination
K234 Ubiquitination
K235 Ubiquitination
S246 Phosphorylation Q13153 (PAK1) , Q16512 (PKN1)

研究背景

功能:

Involved in induction of the epithelial to mesenchymal transition (EMT), formation and maintenance of embryonic mesoderm, growth arrest, survival and cell migration. Binds to 3 E-boxes of the E-cadherin/CDH1 gene promoter and to the promoters of CLDN7 and KRT8 and, in association with histone demethylase KDM1A which it recruits to the promoters, causes a decrease in dimethylated H3K4 levels and represses transcription. The N-terminal SNAG domain competes with histone H3 for the same binding site on the histone demethylase complex formed by KDM1A and RCOR1, and thereby inhibits demethylation of histone H3 at 'Lys-4' (in vitro). During EMT, involved with LOXL2 in negatively regulating pericentromeric heterochromatin transcription (By similarity). SNAI1 recruits LOXL2 to pericentromeric regions to oxidize histone H3 and repress transcription which leads to release of heterochromatin component CBX5/HP1A, enabling chromatin reorganization and acquisition of mesenchymal traits (By similarity). Associates with EGR1 and SP1 to mediate tetradecanoyl phorbol acetate (TPA)-induced up-regulation of CDKN2B, possibly by binding to the CDKN2B promoter region 5'-TCACA-3. In addition, may also activate the CDKN2B promoter by itself.

翻译修饰:

Phosphorylated by GSK3B. Once phosphorylated, it becomes a target for BTRC ubiquitination. Phosphorylation by CSNK1E, probably at Ser-104, provides the priming site for the subsequent phosphorylation by GSK3B, probably at Ser-100 and Ser-96. Phosphorylation by PAK1 may modulate its transcriptional activity by promoting increased accumulation in the nucleus. Phosphorylation at Ser-11 and Ser-92 positively regulates its functions in induction of EMT and cell survival, respectively. Phosphorylation by LATS2, upon mitotic stress, oncogenic stress or Hippo pathway activation, occurs in the nucleus and promotes nuclear retention and stabilization of total cellular protein level.

Ubiquitinated on Lys-98, Lys-137 and Lys-146 by FBXL14 and BTRC leading to degradation. BTRC-triggered ubiquitination requires previous GSK3B-mediated SNAI1 phosphorylation. Ubiquitination induced upon interaction with NOTCH1 or TP53/p53 is mediated by MDM2.

O-GlcNAcylation at Ser-112 is enhanced in hyperglycaemic conditions, it opposes phosphorylation by GSK3B, and stabilizes the protein.

ADP-ribosylation by PARP1 increases protein half-life and may be involved in TGFB-induced SNAI1 up-regulation.

细胞定位:

Nucleus. Cytoplasm.
Note: Once phosphorylated (probably on Ser-107, Ser-111, Ser-115 and Ser-119) it is exported from the nucleus to the cytoplasm where subsequent phosphorylation of the destruction motif and ubiquitination involving BTRC occurs.

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
组织特异性:

Expressed in a variety of tissues with the highest expression in kidney. Expressed in mesenchymal and epithelial cell lines.

亚基结构:

Interacts with FBXL14 and GSK3B. Interacts with BTRC; interaction occurs when it is phosphorylated on the destruction motif. Interacts (via SNAG domain) with WTIP (via LIM domains) (By similarity). Interacts (via SNAG domain) with LIMD1 (via LIM domains), and AJUBA (via LIM domains). Interacts with LOXL2 and LOXL3. Interacts (via N-terminal region) with CSNK2A1. Interacts with EGR1 upon TPA induction. Interacts (via N-terminal region) with LATS2; the interaction is dependent on LATS2 kinase activity but independent of SNAI1 Thr-203 phosphorylation. Interacts (via zinc fingers) with KPNB1 and TNPO1; the interactions mediate nuclear import. Interacts (via zinc fingers) with KPNA1; the interaction disrupts the transport complex with KPNB1 and prevents nuclear import increasing SNAI1 degradation in the cytoplasm. Interacts (via zinc fingers) with KPNA2; the interaction, in combination with KPNB1, mediates nuclear import. Interacts with KPNA4; this interaction mediates nuclear import. May interact (via zinc fingers) with IPO7. Interacts (via zinc fingers) with PARP1; the interaction requires SNAI1 to be poly-ADP-ribosylated and non-phosphorylated (active) by GSK3B. Interacts (via SNAG domain) with KDM1A. Interaction with KDM1A is necessary for the down-regulation of dimethylated H3K4 mark and promoter activity of E-cadherin/CDH1, CDN7 and KRT8. Interacts with TP53/p53 and (via zinc fingers) with NOTCH1 (via intracellular domain); the interactions induce SNAI1 degradation via MDM2-mediated ubiquitination and inhibit SNAI1-induced cell invasion. Interacts with MDM2; the interaction promotes SNAI1 ubiquitination. Interacts (via zinc fingers) with CSNK1E. Interacts with PAK1.

蛋白家族:

Belongs to the snail C2H2-type zinc-finger protein family.

研究领域

· Cellular Processes > Cellular community - eukaryotes > Adherens junction.   (View pathway)

文献引用

1). Cartilage Oligomeric Matrix Protein promotes epithelial-mesenchymal transition by interacting with Transgelin in Colorectal Cancer. Theranostics, 2020 (PubMed: 32754278) [IF=12.4]

Application: WB    Species: Human    Sample: HCT116 cells

Figure 4. COMP promotes EMT in colorectal cancer. (A) Cell phenotypic changes in cells treated with COMP siRNA and COMP overexpression. (B) WB analysis of COMP and EMT-related markers in HCT116 cells under COMP knockdown or overexpression. (C) Cell wound scratch assay of HCT116, HCT-8, and SW620 cells treated with COMP siRNA or COMP overexpression vectors. (D) Transwell assay of HCT116, HCT-8, and SW620 cells treated with COMP siRNA or COMP overexpression vectors. (E) Immunofluorescence assay of HCT116, HCT-8, and SW620 cells treated with COMP siRNA or COMP overexpression vectors. Image J software was used to analyze the relative intensity of E-cadherin and Vimentin. (F) HCT116 and HCT-8 cells with knocked down or overexpressed COMP were transplanted on nude mice. Tumor volumes were measured every 4 days. (G) Tumor weight in the control, COMP knockdown, and COMP overexpression groups. (H) The in situ spleen model of the colorectal cancer cell line SW620 showed that overexpression of COMP promoted liver metastasis of colorectal cancer, while downregulation of COMP inhibited liver metastasis of colorectal cancer. (I) IHC staining to identify EMT biomarkers and COMP-related proteins in the control, COMP knockdown, and COMP overexpression groups. COMP knockdown displayed strong E-cadherin staining and reduced Vimentin, Snail1, Twist1, and MMP-2 staining. The expression levels of other proteins were identical to those observed in WB experiments. (J) Staining indices of COMP, E-cadherin, Vimentin, Snail1, Twist1, and MMP2. The error bars in all graphs represented SD, and each experiment was repeated three times. * and ** stand for P<0.05 and P<0.01, respectively.

2). Echinatin inhibits the growth and metastasis of human osteosarcoma cells through Wnt/β-catenin and p38 signaling pathways. Pharmacological Research, 2023 (PubMed: 37023991) [IF=9.3]

Application: WB    Species: Human    Sample: OS cells

Fig. 4. Ecn inhibits the migration and invasion of OS cells. (A) The effect of Ecn on the migration of OS cells (Wound healing assay, 100 ×). (B) The effect of Ecn on the migration of OS cells (Transwell assay, 100 ×). (C) The effect of Ecn on the invasion of OS cells (Matrigel-coated Transwell assay, 100 ×). (D) The effect of Ecn on the protein level of MMP2, MMP7, MMP9, Snail, Vimentin, N-Cadherin and E-Cadherin in OS cells (Western blot). ##P 

3). ITGB1 enhances the Radioresistance of human Non-small Cell Lung Cancer Cells by modulating the DNA damage response and YAP1-induced Epithelial-mesenchymal Transition. International Journal of Biological Sciences, 2023 (PubMed: 33613118) [IF=9.2]

Application: WB    Species: human    Sample: NSCLC cells

Figure 8. |ITGB1 could promote radioresisntance of NSCLC cells by regulating EMT. A-C. Protein levels of E-cadherin, N-cadherin, Snail, vimentin, and Zeb1 were detected by western blotting of cells from shITGB1 and ITGB1 overexpression groups.

Application: WB    Species: Human    Sample: NSCLC cells

Figure 8 ITGB1 could promote radioresisntance of NSCLC cells by regulating EMT. A-C. Protein levels of E-cadherin, N-cadherin, Snail, vimentin, and Zeb1 were detected by western blotting of cells from shITGB1 and ITGB1 overexpression groups.

4). d-Borneol enhances cisplatin sensitivity via autophagy dependent EMT signaling and NCOA4-mediated ferritinophagy. PHYTOMEDICINE, 2022 (PubMed: 36030746) [IF=7.9]

5). Molecular mechanism of albumin in suppressing invasion and metastasis of hepatocellular carcinoma. LIVER INTERNATIONAL, 2022 (PubMed: 34854209) [IF=6.7]

Application: WB    Species: Human    Sample: HepG2 and Huh7 cells

FIGURE 7 A, Representative images of the western blot results for uPAR, MMP2 and MMP9 in ALB knockdown HepG2 and Huh7 cells; B, Zymography analysis illustrates MMP2 and MMP9 activity in ALB knockdown HepG2 and Huh7 cells; C, Quantitative analysis results and representative images of the western blot results for the EMT‐associated markers, E‐cadherin, N‐cadherin, vimentin, Snail and Twist by western blot in ALB knockdown HepG2 and Huh7 cells; D, Quantification shows a significantly higher uPAR in HCC group with ALB <3.5 g/dL compared to ALB ≥3.5 g/dL (*P < .05); E, Scatterplot showing the correlation between plasma levels of ALB and uPAR. The vertical position represents the expression levels of uPAR (lg pg/mL)

6). CEP55 3'-UTR promotes epithelial–mesenchymal transition and enhances tumorigenicity of bladder cancer cells by acting as a ceRNA regulating miR-497-5p. Cellular Oncology, 2022 (PubMed: 36374443) [IF=6.6]

7). Profilin1 Regulates Trophoblast Invasion and Macrophage Differentiation. The American Journal of Pathology, 2023 (PubMed: 37164274) [IF=6.0]

8). Phenylpropenol ester and sesquiterpenoids with antimetastatic activities from the whole plants of Chloranthus japonicus. Arabian Journal of Chemistry, 2022 [IF=6.0]

9). G-4 inhibits triple negative breast cancer by inducing cell apoptosis and promoting LCN2-dependent ferroptosis. Biochemical pharmacology, 2024 (PubMed: 38395264) [IF=5.8]

10). Parthenolide attenuated bleomycin-induced pulmonary fibrosis via the NF-κB/Snail signaling pathway. RESPIRATORY RESEARCH, 2018 (PubMed: 29871641) [IF=5.8]

Application: WB    Species: human    Sample: lung epithelial cells

Fig. 2 |PTL inhibits TGF-β1-induced EMT through inhibiting NF-κB/Snail expression in lung epithelial cells.e-h After TGF-β/PTL treatment, NF-κB and Snail were evaluated using Western blot analysis. β-actin was used as a loading control. Data are presented as means of three experiments; error bars represent standard deviation, *P < 0.05, **P < 0.01

Application: IHC    Species: human    Sample: lung

Fig. 7 |PTL attenuates the BLM-induced expression of NF-κB and Snail. a Immunohistochemical staining for NF-κB and Snail in lung sections.

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