Merck

SAB4200534

Sigma-Aldrich

Anti-Claudin-1 (C-terminal) antibody produced in rabbit

enhanced validation

~1.0 mg/mL, affinity isolated antibody

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Sinónimos:
Anti-Claudin-1 (C-Terminal), antibody produced in rabbit, affinity isolated antibody
NACRES:
NA.41

biological source

rabbit

Quality Level

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

mol wt

antigen ~23 kDa

species reactivity

human, dog

enhanced validation

recombinant expression
Learn more about Antibody Enhanced Validation

concentration

~1.0 mg/mL

technique(s)

immunohistochemistry: 20 μg/mL using formalin-fixed, paraffin-embedded human colon.
indirect immunofluorescence: 1.0-2.0 μg/mL using MDCK cells.
western blot: 0.5-1.0 μg/mL using extracts of HEK-293T cells overexpressing human claudin-1.

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... CLDN1(9076)

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1 of 4

Este artículo
SAB4200462SAB4200538SAB4500437
biological source

rabbit

biological source

rabbit

biological source

rabbit

biological source

rabbit

conjugate

unconjugated

conjugate

unconjugated

conjugate

unconjugated

conjugate

unconjugated

technique(s)

immunohistochemistry: 20 μg/mL using formalin-fixed, paraffin-embedded human colon., western blot: 0.5-1.0 μg/mL using extracts of HEK-293T cells overexpressing human claudin-1., indirect immunofluorescence: 1.0-2.0 μg/mL using MDCK cells.

technique(s)

immunohistochemistry: 20 μg/mL using formalin-fixed, paraffin-embedded rat kidney., western blot: 1.5-3.0 μg/mL using extracts of rat kidney (S1 fraction).

technique(s)

immunohistochemistry: 20 μg/mL using formalin-fixed, paraffin-embedded human heart, indirect immunofluorescence: 1-2 μg/mL using MCF7 cells, western blot: 1-2 μg/mL using extracts of OVCAR-3 cells

technique(s)

ELISA: 1:20000, immunohistochemistry: 1:50-1:100, western blot: 1:500-1:1000

species reactivity

human, dog

species reactivity

human, rat

species reactivity

human

species reactivity

human, rat, mouse

form

buffered aqueous solution

form

buffered aqueous solution

form

buffered aqueous solution

form

buffered aqueous solution

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General description

Claudin-1, also known as claudin 1 (CLDN1), seminal metalloprotease-1 (Semp1) and ichthyosis, leukocyte vacuoles, alopecia, and sclerosing cholangitis (ILVASC), is expressed at high levels in kidney and liver and at lower levels in spleen, heart, brain, lung and testis. Claudins are characterized with four transmembrane domains and two extracellular loops, required to form tight junction strands.

Immunogen

synthetic peptide corresponding to a sequence at the C-terminus of human claudin-1, conjugated to KLH. The corresponding sequence is highly conserved in mouse claudin-1 (single amino acid substitution) and in rat claudin-1 (90% identity).

Application

Anti-Claudin-1 (C-terminal) antibody produced in rabbit has been used in:
  • immunoblotting
  • immunofluorescence
  • immunohistochemistry

Biochem/physiol Actions

Claudin-1 directly interacts with tight junction (TJ) -associated peripheral membrane proteins zonula occludens (ZO) proteins -1/2/3. Defects in the gene encoding claudin-1 are the cause of an autosomal recessive syndrome named ichthyosis-sclerosing cholangitis neonatal (NISCH). Claudins′ expression is altered in several human cancers. Claudin-1 is frequently up-regulated in colorectal carcinomas (CRCs), resulting in tumor differentiation and progression.

Physical form

Solution in 0.01 M phos­phate buffered saline, pH 7.4, containing 15 mM sodium azide.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

Storage Class

10 - Combustible liquids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable


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Transmembrane Proteins in the Tight Junction Barrier
Fanning A S, et al.
Journal of the American Society of Nephrology, 10, 1337-1345 (1999)
Claudin-1 involved in neonatal ichthyosis sclerosing cholangitis syndrome regulates hepatic paracellular permeability
Yuan P, et al.
Cell research, 25, 157-168 (2014)
Nga Le et al.
Cellular and molecular gastroenterology and hepatology, 11(1), 55-76 (2020-07-14)
Communication between T cells and the intestinal epithelium is altered in many diseases, causing T-cell activation, depletion, or recruitment, and disruption of the epithelium. We hypothesize that activation of T cells regulates epithelial barrier function by targeting the assembly of
Pengfei Yuan et al.
Cell research, 25(2), 157-168 (2014-12-31)
As a gram-positive, spore-forming anaerobic bacillus, Clostridium difficile (C. difficile) is responsible for severe and fatal pseudomembranous colitis, and poses the most urgent antibiotic resistance threat worldwide. Epidemic C. difficile is the leading cause of antibiotic-associated diarrhoea globally, especially diarrhoea
Angélica Cruz-Lebrón et al.
Gut microbes, 13(1), 1946368-1946368 (2021-07-28)
Over the past three decades the United States has experienced a devastating opioid epidemic. One of the many debilitating side effects of chronic opioid use is opioid-induced bowel dysfunction. We investigated the impact of methadone maintenance treatment (MMT) on the

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