======= CLDN15 ======= == Gene Information == * **Official Symbol**: CLDN15 * **Official Name**: claudin 15 * **Aliases and Previous Symbols**: N/A * **Entrez ID**: [[https://www.ncbi.nlm.nih.gov/gene/?term=24146|24146]] * **UniProt**: [[https://www.uniprot.org/uniprot/P56746|P56746]] * **Interactions**: [[https://thebiogrid.org/search.php?search=CLDN15&organism=9606|BioGRID]] * **PubMed articles**: [[https://www.ncbi.nlm.nih.gov/pubmed/?term=gene%20CLDN15|Open PubMed]] * **OMIM**: [[https://omim.org/entry/615778|Open OMIM]] == Function Summary == * **Entrez Summary**: N/A * **UniProt Summary**: Claudins function as major constituents of the tight junction complexes that regulate the permeability of epithelia. While some claudin family members function as 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. CLDN15 forms tight junctions that mediate the paracellular transport of small monovalent cations along a concentration gradient, due to selective permeability for Na(+), Li(+) and K(+) ions, but selects against Cl(-) ions. Plays an important role in paracellular Na(+) transport in the intestine and in Na(+) homeostasis. Required for normal Na(+)-dependent intestinal nutrient uptake. {ECO:0000269|PubMed:12055082, ECO:0000269|PubMed:13129853}. |PMP22 Claudin| |calcium-independent cell-cell adhesion via plasma membrane cell-adhesion molecules| |lateral plasma membrane| |bicellular tight junction| |structural molecule activity| |cell-cell adhesion via plasma-membrane adhesion molecules| |cell-cell adhesion| |cell adhesion| |biological adhesion| |identical protein binding| |ion transport| \\ === CRISPR Data === ^Screen^Score^ |[[:results:exp78|Pterostilbene 16μM R02 exp78]]|-1.99| |[[:results:exp455|Benzoate 10000μM R08 exp455]]|1.99| No correlation found to any other genes in chemogenomics. Global Fraction of Cell Lines Where Essential: 0/739 ^Tissue^Fraction Of Cell Lines Where Essential^ |1290807.0|0/1| |909776.0|0/1| |bile duct|0/28| |blood|0/28| |bone|0/26| |breast|0/33| |central nervous system|0/56| |cervix|0/4| |colorectal|0/17| |esophagus|0/13| |fibroblast|0/1| |gastric|0/16| |kidney|0/21| |liver|0/20| |lung|0/75| |lymphocyte|0/16| |ovary|0/26| |pancreas|0/24| |peripheral nervous system|0/16| |plasma cell|0/15| |prostate|0/1| |skin|0/24| |soft tissue|0/9| |thyroid|0/2| |upper aerodigestive|0/22| |urinary tract|0/29| |uterus|0/5| == Essentiality in NALM6 == * **Essentiality Rank**: 8269 * **Expression level (log2 read counts)**: 4.46 {{:chemogenomics:nalm6 dist.png?nolink |}}