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| Content Provider | Springer Nature Link |
|---|---|
| Author | Araki, Kyosuke Suetake, Hiroaki Kikuchi, Kiyoshi Suzuki, Yuzuru |
| Copyright Year | 2005 |
| Abstract | CD3 is an essential component of the CD3-TCR complex. In this report, we describe the cloning, characterization, and expression analysis of the CD3ɛ and CD3γ/δ chain genes from fugu, Takifugu rubripes. Two distinct CD3ɛ homologue cDNAs, designated as CD3ɛ-1 and CD3ɛ-2, and a CD3γ/δ homologue cDNA were isolated from the fugu thymus. The deduced amino acid sequences of these cDNAs exhibit conserved essential CD3 chain motifs and overall structures. RT-PCR analysis demonstrated that the CD3ɛ and CD3γ/δ genes were expressed in lymphoid organs (e.g. thymus, head kidney, trunk kidney and spleen), mucosal tissues (gill, skin, and intestine), and peripheral blood leucocytes (PBL). The CD3 and TCRα genes were expressed only in the surface IgM− population, which were separated from PBL using an anti-fugu IgM monoclonal antibody. In addition, in situ hybridization confirmed that CD3-expressing cells were distributed randomly in the head kidney, trunk kidney, and spleen, but in the thymus were restricted to the lymphoid outer zone and epithelioid inner zone only. Collectively, these results suggest that CD3 molecules are useful markers for the identification of T cells in teleost fish. The present study thus provides a critical step in identifying T cells in this model organism. |
| Starting Page | 158 |
| Ending Page | 163 |
| Page Count | 6 |
| File Format | |
| ISSN | 00937711 |
| Journal | Immunogenetics |
| Volume Number | 57 |
| Issue Number | 1-2 |
| e-ISSN | 14321211 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2005-03-09 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Fugu T cell CD3 Gene expression Lymphoid organs |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Immunology |
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