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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
biochemistry, genetics and molecular biology
Cloning, characterization, and expression analysis of Toll-like receptor-7 cDNA from common carp, Cyprinus carpio L.
Comparative Biochemistry and Physiology - Part D: Genomics and Proteomics, Volume 5, No. 4, Year 2010
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Description
The Toll-like receptor 7 (TLR7) is activated by single strand RNA and RNA-like compounds (imidazoquinoline), and it induces interferon production. We identified and described carp TLR7 cDNA and its mRNA expression. The full-length cDNA of carp TLR7 gene is 3427 bp, encoding 1049 amino acids (AB553573). The similarities of carp TLR7 with zebrafish, rainbow trout, fugu, and human TLR7 were 89.6, 83.4, 80.6 and 74.6%, respectively, at the amino acid sequence level. Furthermore, the expression of TLR7 mRNA was investigated in normal tissues of carp by semi-quantitative RT-PCR analysis. Carp TLR7 expression was exhibited in healthy tissues (kidney, brain, spleen, skin, intestine, muscle, liver, gills and heart) and though the expression level in each tissue varied among healthy fish. Carp TLR7 expression was significantly increased in head kidney stimulated with TLR7 agonist, imiquimod, at 8, 24 and 48 h in vitro when compared to expression in the control group. Moreover, carp head kidney leukocytes produced elevated levels of pro-inflammatory and type 1 interferon cytokine mRNA in response to imiquimod stimulation. © 2010 Elsevier Inc. All rights reserved.
Authors & Co-Authors
Tanekhy, Mahmoud
Japan, Miyazaki
University of Miyazaki
Egypt, Alexandria
Alexandria University
Kono, T.
Japan, Miyazaki
University of Miyazaki
Sakai, Masahiro
Japan, Miyazaki
University of Miyazaki
Statistics
Citations: 33
Authors: 3
Affiliations: 2
Identifiers
Doi:
10.1016/j.cbd.2010.07.001
ISSN:
1744117X
Research Areas
Genetics And Genomics
Study Design
Randomised Control Trial
Study Approach
Quantitative