Klatt, Wybke and Wallner, Susanne and Brochhausen, Christoph and Stolwijk, Judith A. and Schreml, Stephan (2020) Expression profiles of proton-sensing G-protein coupled receptors in common skin tumors. SCIENTIFIC REPORTS, 10 (1): 15327. ISSN 2045-2322,
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The proton-sensing GPCRs (pH-GPCRs) GPR4 (GPR19), TDAG8 (GPR65, T-cell death associated gene 8), OGR1 (GPR68, ovarian cancer GPCR1), and G2A (GPR132, G2 accumulation protein) are involved in sensing and transducing changes in extracellular pH (pH(e)). Extracellular acidification is a central hallmark of solid cancer. pH-GPCR function has been associated with cancer cell proliferation, adhesion, migration and metastasis, as well as with modulation of the immune system. Little is known about the expression levels and role of pH-GPCRs in skin cancer. To better understand the functions of pH-GPCRs in skin cancer in vivo, we examined the expression-profiles of GPR4, TDAG8, OGR1 and G2A in four common skin tumors, i.e. squamous cell carcinoma (SCC), malignant melanoma (MM), compound nevus cell nevi (NCN), basal cell carcinoma (BCC). We performed immunohistochemistry and immunofluorescence staining on paraffin-embedded tissue samples acquired from patients suffering from SCC, MM, NCN or BCC. We show the expression of pH-GPCRs in four common skin cancers. Different expression patterns in the investigated skin cancer types indicate that the different pH-GPCRs may have distinct functions in tumor progression and serve as novel therapeutic targets.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | EXTRACELLULAR ACIDIFICATION; PH; TDAG8; OGR1; GENE; G2A; MIGRATION; GPR4; PROLIFERATION; INFLAMMATION; |
| Subjects: | 500 Science > 540 Chemistry & allied sciences 600 Technology > 610 Medical sciences Medicine |
| Divisions: | Medicine > Lehrstuhl für Dermatologie und Venerologie Medicine > Lehrstuhl für Pathologie Chemistry and Pharmacy > Institut für Analytische Chemie, Chemo- und Biosensorik |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 15 Mar 2021 05:46 |
| Last Modified: | 15 Mar 2021 05:46 |
| URI: | https://pred.uni-regensburg.de/id/eprint/43775 |
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