Identification of new alternative splice events in the TCIRG1 gene in different human tissues
Copyright policy )Identification of new alternative splice events in the TCIRG1 gene in different human tissues
Two transcript variants (TV) of the T cell immune regulator gene 1 (TCIRG1) have already been characterized. TV1 encodes a subunit of the osteoclast vacuolar proton pump and TV2 encodes a T cell inhibitory receptor. Based on the search in dbEST, we validated by RT-PCR six new alternative splice events in TCIRG1 in most of the 28 human tissues studied. In addition, we observed that transcripts using the TV1 transcription start site and two splice forms previously described in a patient with infantile malignant osteopetrosis are also expressed in various tissues of healthy individuals. Studies of these nine splice forms in cytoplasmic RNA of peripheral blood mononuclear cells showed that at least six of them could be efficiently exported from the nucleus. Since various products with nearly ubiquitous tissue distribution are generated from TCIRG1, this gene may be involved in other processes besides immune response and bone resorption.
- Universidade de São Paulo Brazil
- UNIVERSIDADE DE SAO PAULO Brazil
Cytoplasm, Vacuolar Proton-Translocating ATPases, Molecular Sequence Data, Reproducibility of Results, Alternative Splicing, Open Reading Frames, Protein Subunits, Leukocytes, Humans, Protein Isoforms, RNA
Cytoplasm, Vacuolar Proton-Translocating ATPases, Molecular Sequence Data, Reproducibility of Results, Alternative Splicing, Open Reading Frames, Protein Subunits, Leukocytes, Humans, Protein Isoforms, RNA
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