RGD Reference Report - Identification of Toll-like receptors in the rat (Rattus norvegicus): messenger RNA expression in the male reproductive tract under conditions of androgen variation. - Rat Genome Database

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Identification of Toll-like receptors in the rat (Rattus norvegicus): messenger RNA expression in the male reproductive tract under conditions of androgen variation.

Authors: Biswas, B  Narmadha, G  Choudhary, M  French, FS  Hall, SH  Yenugu, S 
Citation: Biswas B, etal., Am J Reprod Immunol. 2009 Oct;62(4):243-52. Epub 2009 Aug 24.
RGD ID: 5129498
Pubmed: PMID:19703144   (View Abstract at PubMed)
DOI: DOI:10.1111/j.1600-0897.2009.00732.x   (Journal Full-text)

PROBLEM: Although the majority of Toll-like receptors (TLRs) are reported in many species, some of them are not yet described in the rat. Further, factors that govern Tlr expression in the male reproductive tract have received little attention. We attempt to identify and characterize Tlrs in the rat and determine the expression profile under conditions that affect male reproductive tract gene expression. METHOD OF STUDY: Rat Tlr5, Tlr10, and Tlr11 transcript sequences were submitted to GenBank and in silico characterization carried out using bioinformatics tools. RT-PCR analyses using gene specific primers for rat Tlr1-13 were carried out with RNA isolated from reproductive tract tissues of various experimental groups. RESULTS: Tlr5, Tlr10, and Tlr11 identified in this study share features that are characteristic of the known TLRs. Abundant Tlr expression was observed in the male reproductive tract of adult and developing rats. Further, Tlr expression was also observed in the epididymides of androgen ablated rats. CONCLUSION: Tlr5, Tlr10, and Tlr11 are ubiquitously expressed in the rat. Tlrs seem to be expressed during male reproductive tract development and under conditions of androgen ablation, suggesting the preparedness of the male reproductive tract to detect an infection under all conditions of androgen status.

Gene Ontology Annotations    Click to see Annotation Detail View

Biological Process
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
male gonad development  IEP 5129498; 5129498; 5129498epididymusRGD 

Objects Annotated

Genes (Rattus norvegicus)
Tlr3  (toll-like receptor 3)
Tlr5  (toll-like receptor 5)
Tlr9  (toll-like receptor 9)


Additional Information