Claudin 1 Antibody - #AF0127

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产品: Claudin 1 抗体
货号: AF0127
描述: Rabbit polyclonal antibody to Claudin 1
应用: WB IHC
反应: Human, Mouse, Rat
预测: Pig, Bovine, Horse, Sheep, Rabbit, Chicken
分子量: 22kDa; 23kD(Calculated).
蛋白号: O95832
RRID: AB_2833311

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实验方案
WB Handbook
IHC Protocol
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产品描述

来源:
Rabbit
应用:
WB 1:500-1:3000, IHC 1:50-1:200
*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(100%), Bovine(100%), Horse(100%), Sheep(100%), Rabbit(100%), Chicken(83%)
克隆:
Polyclonal
特异性:
Claudin 1 Antibody detects endogenous levels of total Claudin 1.
RRID:
AB_2833311
引用格式: Affinity Biosciences Cat# AF0127, RRID:AB_2833311.
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

Claudin-1; Claudin1; CLD 1; CLD1; CLD1_HUMAN; CLDN 1; Cldn1; ILVASC; SEMP 1; SEMP1; Senescence associated epithelial membrane protein 1; Senescence associated epithelial membrane protein; Senescence-associated epithelial membrane protein;

抗原和靶标

免疫原:
Uniprot:

O95832(CLD1_HUMAN) >>Visit HPA database.

基因/基因ID:
CLDN1(9076)
表达:
O95832 CLD1_HUMAN:

Strongly expressed in liver and kidney. Expressed in heart, brain, spleen, lung and testis.

描述:
claudin 1 Plays a major role in tight junction-specific obliteration of the intercellular space, through calcium- independent cell-adhesion activity. Acts as a co- receptor for HCV entry into hepatic cells. Belongs to the claudin family. Can form homo- and heteropolymers with other CLDN. Homopolymers interact with CLDN3, but not CLDN2, homopolymers. Directly interacts with TJP1/ZO-1, TJP2/ZO-2 and TJP3/ZO-3. Interacts with MPDZ and INADL. May interact with HCV E1 and E2 proteins.
序列:
MANAGLQLLGFILAFLGWIGAIVSTALPQWRIYSYAGDNIVTAQAMYEGLWMSCVSQSTGQIQCKVFDSLLNLSSTLQATRALMVVGILLGVIAIFVATVGMKCMKCLEDDEVQKMRMAVIGGAIFLLAGLAILVATAWYGNRIVQEFYDPMTPVNARYEFGQALFTGWAAASLCLLGGALLCCSCPRKTTSYPTPRPYPKPAPSSGKDYV

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
Pig
100
Horse
100
Bovine
100
Sheep
100
Rabbit
100
Chicken
83
Dog
0
Xenopus
0
Zebrafish
0
Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

翻译修饰 - O95832 作为底物

Site PTM Type Enzyme
K115 Ubiquitination
T153 Phosphorylation
K189 Ubiquitination
T191 O-Glycosylation
T191 Phosphorylation
S192 O-Glycosylation
S192 Phosphorylation
T195 Phosphorylation
K201 Ubiquitination
S205 O-Glycosylation
S205 Phosphorylation
S206 O-Glycosylation
S206 Phosphorylation
K208 Ubiquitination
Y210 Phosphorylation

研究背景

功能:

Claudins function as major constituents of the tight junction complexes that regulate the permeability of epithelia. While some claudin family members play essential roles in the formation of impermeable barriers, others mediate the permeability to ions and small molecules. Often, several claudin family members are coexpressed and interact with each other, and this determines the overall permeability. CLDN1 is required to prevent the paracellular diffusion of small molecules through tight junctions in the epidermis and is required for the normal barrier function of the skin. Required for normal water homeostasis and to prevent excessive water loss through the skin, probably via an indirect effect on the expression levels of other proteins, since CLDN1 itself seems to be dispensable for water barrier formation in keratinocyte tight junctions.

(Microbial infection) Acts as a receptor for hepatitis C virus (HCV) in hepatocytes. Associates with CD81 and the CLDN1-CD81 receptor complex is essential for HCV entry into host cell. Acts as a receptor for dengue virus.

细胞定位:

Cell junction>Tight junction. Cell membrane>Multi-pass membrane protein. Basolateral cell membrane.
Note: Associates with CD81 and the CLDN1-CD81 complex localizes to the basolateral cell membrane.

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:

Strongly expressed in liver and kidney. Expressed in heart, brain, spleen, lung and testis.

亚基结构:

Homopolymers interact with CLDN3, but not CLDN2, homopolymers. Can form homo- and heteropolymers with other claudin family members. Directly interacts with TJP1/ZO-1, TJP2/ZO-2 and TJP3/ZO-3. Interacts with MPDZ and PATJ (By similarity). Interacts with OCLN, CLDN4, CLDN6 and CLDN9. Interacts with CD81.

(Microbial infection) Interacts with hepatitis c virus E1 and E2 proteins.

(Microbial infection) Interacts with dengue virus small envelope protein M.

蛋白家族:

Belongs to the claudin family.

研究领域

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

· Environmental Information Processing > Signaling molecules and interaction > Cell adhesion molecules (CAMs).   (View pathway)

· Human Diseases > Infectious diseases: Bacterial > Pathogenic Escherichia coli infection.

· Human Diseases > Infectious diseases: Viral > Hepatitis C.

· Organismal Systems > Immune system > Leukocyte transendothelial migration.   (View pathway)

文献引用

1). Extracellular vesicles of Fusobacterium nucleatum compromise intestinal barrier through targeting RIPK1-mediated cell death pathway. Gut Microbes, 2021 (PubMed: 33769187) [IF=12.2]

Application: IHC    Species: mouse    Sample: colon

Figure 5. |FnEVs increase gut barrier leakage in experimental colitis models. (a) Representative images and ex vivo imaging with the intestine, liver, heart, spleen and kidney of mice. (b) Relative fluorescence intensity of translocated EGFP-labeled E.coli in every tissues. (c) Representative images of immunohistochemical stainings of ZO-1, claudin-1 and occludin in the colon on day 3 after colitis induction. Scale bar = 50 um.
2). Stem cell membrane-coated isotretinoin for acne treatment. JOURNAL OF NANOBIOTECHNOLOGY, 2020 (PubMed: 32723398) [IF=10.2]
3). Oxyberberine, a novel gut microbiota-mediated metabolite of berberine, possesses superior anti-colitis effect: impact on intestinal epithelial barrier, gut microbiota profile and TLR4-MyD88-NF-κB pathway. PHARMACOLOGICAL RESEARCH, 2020 (PubMed: 31863867) [IF=9.3]

Application: WB    Species: Mice    Sample: colonic tissues

Fig. 4. OBB protected intestinal epithelial barrier by modulating TJs proteins. Effect of OBB on the mRNA levels of mucin-1(A) and mucin-2 (B). (C) Representative Western blotting images of TJs protein, and the relative protein expressions were normalized to β-actin. (D-H) Changes in the relative protein expression levels of ZO-1, ZO-2, occludin, JAM-A, and claudin-1 were measured respectively. Data are shown as mean ± SEM (n = 3). # P < 0.05, ## P < 0.01 vs. Control group, * P < 0.05, ** P < 0.01 vs. DSS group, & P < 0.05, && P < 0.01 vs. BBR group.
4). Allyl isothiocyanate mitigates airway inflammation and constriction in a house dust mite-induced allergic asthma model via upregulation of tight junction proteins and the TRPA1 modulation. Biomedicine & Pharmacotherapy, 2023 (PubMed: 37634475) [IF=7.5]

Application: WB    Species: Mouse    Sample: lung

Fig. 4. Effects of AITC on tight junction-related protein in lung. AITC treatments on the modulation of tight junction-related protein expression. (A) E-cadherin, (B), ZO-1, (C) Occludin, (D) Claudin-1. Data are expressed in mean ± SEM (n = 5–7). Significant difference presented as different symbol. *p 
5). Patchouli alcohol attenuates 5-fluorouracil-induced intestinal mucositis via TLR2/MyD88/NF-kB pathway and regulation of microbiota. BIOMEDICINE & PHARMACOTHERAPY, 2020 (PubMed: 32004938) [IF=7.5]

Application: WB    Species: rat    Sample: Intestinal

Fig. 4. |Effect of PA on intestinal mocusal barrier proteins. (a–d) Relative mRNA expression of MLCK, ZO-1, occludin and claudin-1 (n = 4); (e–i) Expressions of MLC,p-MLC, ZO-1, occludin and claudin-1proteins (n = 3). Values were represented the mean ± SEM. **P < 0.01, *P < 0.05 versus 5-FU group and ##P < 0.01 versus normal group.
6). Mesenchymal Stem Cells Overexpressing ACE2 Favorably Ameliorate LPS-Induced Inflammatory Injury in Mammary Epithelial Cells. Frontiers in Immunology, 2022 (PubMed: 35095873) [IF=7.3]

Application: WB    Species: Mice    Sample: EpH4-Ev cells

Figure 8 MSC-ACE2 upregulates blood-milk barrier-related protein expression to suppress LPS-induced inflammation in Eph4-EV cells. (A) Detection of relative protein expression levels of ZO-1, Claudin-1, Claudin-2 by Western blot; (B) Statistics of the ZO-1, Claudin-1, Claudin-2 Western blot results. Experiments were repeated three times and data were presented as the mean ± SEM (n = 4). * P < 0.05 vs. EpH4-Ev; # P < 0.05 vs. LPS; $ P < 0.05 vs. MSC; & P < 0.05 vs. MSC-GFP.
7). SIRT1 Stabilizes β-TrCP1 to Inhibit Snail1 Expression in Maintaining Intestinal Epithelial Integrity to Alleviate Colitis. Cellular and molecular gastroenterology and hepatology, 2024 (PubMed: 38729522) [IF=7.2]
8). Djulis Hull Improves Insulin Resistance and Modulates the Gut Microbiota in High-Fat Diet (HFD)-Induced Hyperglycaemia. Antioxidants, 2021 (PubMed: 35052549) [IF=7.0]

Application: WB    Species: Mice    Sample: epididymal white adipose tissue

Figure 7 Effect of djulis hull crude extract on (A) LPS in serum and (B) the protein expression of tight junctions in the colon of high-fat diet-induced hyperglycaemia. ND: normal diet; HFD: high-fat diet; HCE: high dosage of crude extract; LPS: lipopolysaccharide. Values represent the mean ± SEM (n = 6). The statistical methods used one-way ANOVA, and the values with different letters are significantly different at p < 0.05.
9). Palmitoleic Acid on Top of HFD Ameliorates Insulin Resistance Independent of Diacylglycerols and Alters Gut Microbiota in C57BL/6J Mice. Food Science and Human Wellness, 2023 [IF=7.0]

Application: WB    Species: Mouse    Sample:

Fig. 6 Palmitoleic acid promotes intestinal tight junction integrity and reduces HFD-induced colon inflammation. 6 weeks old mice were fed with HFD for 12 weeks. Mice were treated with palmitoleic acid, oleic acid, or BSA as control via oral gavages for 6 weeks. The colon was collected for further analysis. (A) The level of occludin and claudin-1 by Western blotting. (B) Quantification of occludin level. (C) Quantification of claudin-1 level. (D) Macrophage infiltration by IHC for F4/80. (E) mRNA levels of MCP-1, TNF-α, IL-1β, and IL-6 by RT-PCR. n = 4 mice per group. The data are mean ± SEM (error bars). † P < 0.05, ††P < 0.01, †††P < 0.001, BSA vs palmitoleic acid; ‡ P < 0.05, ‡‡P < 0.01, ‡‡‡P < 0.001, oleic acid vs palmitoleic acid; §§§P < 0.001, BSA vs oleic acid.
10). Theabrownin from Fu Brick tea ameliorates high-fat induced insulin resistance, hepatic steatosis, and inflammation in mice by altering the composition and metabolites of gut microbiota. Food & function, 2024 (PubMed: 38563324) [IF=6.1]
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