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| Item Type: | Article |
|---|---|
| Title: | Alternate splicing of mouse fusin/CXC chemokine receptor-4: stromal cell-derived factor-1α is a ligand for both CXC chemokine receptor-4 isoforms |
| Creators Name: | Heesen, M., Berman, M.A., Höpken, U.E., Gerard, N.P. and Dorf, M.E. |
| Abstract: | Inspection of the intron splice junction of the mouse chemokine receptor fusin/CXC chemokine receptor R-4 (CXCR-4) revealed a potential in-frame alternative splice site in the region encoding the N-terminal ectodomain of the receptor. Both predicted splice products were detected by reverse transcriptase-PCR. Cell lines of T lymphocyte, B lymphocyte, and macrophage lineage, plus populations of elicited peritoneal exudate cells, thymocytes, and astrocytes coexpressed mRNA for both isoforms. The full length cDNA of the shorter alternate splice product, termed CXCR-4B, was cloned from peritoneal exudate cell RNA. Chinese hamster ovary cells transfected with either isoform, CXCR-4A or CXCR-4B, responded to stromal cell-derived factor-1{alpha} with a rise in intracellular calcium. Both alternate splice products are therefore functional stromal cell-derived factor-1 {alpha} receptors. |
| Keywords: | Alternative Splicing, Chemokine CXCL12, Chemokines, CXC Chemokines, CXCR4 Receptors, Gene Expression Regulation, HIV Receptors, Ligands, Membrane Proteins, Molecular Sequence Data, Animals, Cricetinae, Mice |
| Source: | Journal of Immunology |
| ISSN: | 0022-1767 |
| Publisher: | American Association of Immunologists |
| Volume: | 158 |
| Number: | 8 |
| Page Range: | 3561-3564 |
| Date: | 15 April 1997 |
| Official Publication: | https://www.jimmunol.org/content/158/8/3561 |
| PubMed: | View item in PubMed |
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