Claudin-4 / CLDN4 cDNA ORF Clone in Cloning Vector, Rat


Claudin-4 / CLDN4 cDNA ORF Clone in Cloning Vector, Rat: General Information

NCBI Ref Seq
RefSeq ORF Size
633 bp
Sequence Description
Identical with the Gene Bank Ref. ID sequence.
Full length Clone DNA of Rat claudin 4.
Sequencing Primers
M13-47 and RV-M
Quality Control
The plasmid is confirmed by full-length sequencing.
Antibiotic in E.coli
Storage & Shipping
Each tube contains lyophilized plasmid.
The lyophilized plasmid can be stored at ambient temperature for three months.

Claudin-4 / CLDN4 cDNA ORF Neucleotide Sequence and Amino Acid Sequence Information

**Sino Biological guarantees 100% sequence accuracy of all synthetic DNA constructs we deliver, but we do not guarantee protein expression in your experimental system. Protein expression is influenced by many factors that may vary between experiments or laboratories.**

Claudin-4 / CLDN4 cDNA ORF Clone in Cloning Vector, Rat: Validated Images

Claudin-4 / CLDN4 Background Information

CLDN4 (encoding claudin-4), a cell tight junction (TJ) protein, is highly expressed in human epithelial ovarian carcinomas (EOC) but undetectable in normal ovaries. Claudins form a large family of tight junction proteins that have essential roles in the control of paracellular ion flux and the maintenance of cell polarity. CLDN4 has been identified as a specific receptor for C terminus of Clostridium perfringens enterotoxin (C-CPE), a nontoxic molecule that may disrupt TJ barrier function and enhance cellular absorption. Claudin-4, encoding a protein for tight junction formation and function, is highly overexpressed in pancreatic ductal adenocarcinoma and is also associated with invasive adenocarcinomas arising in intraductal papillary mucinous neoplasms of the pancreas. Claudin-4 expression is associated with neoplastic progression of intraductal papillary mucinous neoplasms and, especially, with a distinct pathway to intestinal differentiation. CLDN4 is a tight junction protein involved in blood-brain barrier integrity.
Full Name
claudin 4
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