LPS對鵝等級卵泡基質(zhì)層TLR家族基因表達的影響
[Abstract]:[objective] to study the gene expression profile of TLR family in follicular stromal layer of goose and its reactivity to LPS for different time. [methods] the process of goose laying was observed in real time under the condition of large group of free-feeding. LPS was injected at 8 and 2 hours after laying and at 16 and 28 hours before birth, and slaughtered at 8 h after laying, I. e., the treatment of LPS for 24 and 36 hours, with 5 geese at each time point. During slaughter, the ovaries were taken, the appearance of follicles was observed, and the F1-F5 grade follicle stroma was isolated. The test geese drank freely, fed freely, and were treated with natural light. LPs for 24 and 36 h for single F1-F5 follicle stroma or follicle for gene expression analysis. The other LPS treatments were used for gene expression analysis in each goose grade follicle matrix layer, such as RNA and other mass mixing. The expression profiles of 10 bird TLR family genes in goose grade follicle stroma were detected by ordinary PCR method. Spleen tissue was used as positive control and c DNA template was used as negative control. According to the results of RT-PCR expression profile, Real-time PCR was used to detect the expression level of TLRs in follicular stroma and the effect of different LPS treatment time on TLRs expression in stroma. The data of TLRs expression in stromal layer of follicles with different grades and different treatment time of LPS were compared by single factor analysis of variance (ANOVA) and TLRs expression level in stroma of degenerative follicle and control group. T-test analysis. [results] (1) TLR family genes of 10 species of birds, For example, the expression of TLR15 and 21 genes in the stroma of grade F _ 1 follicles were significantly higher than those in grade F _ 1 follicles. (2) the expression of TLR15 in the stromal layer of F _ 1 follicles was significantly higher than that in grade F _ 5 follicles with the increase of the expression level of TLRs _ 2A and 15 in the follicular stroma of grade F _ 1. The expression level of TLR15 was significantly higher than that of the follicles of grade F _ (5) and F _ (3) F _ (4) or F _ (5) grade follicles. The expression levels of other TLR family genes, such as TLRs 1A1A1A1BO2BO2BO2BO2BO2BO2BO3O7 and 21, were not significantly different in different grades of follicular stroma. (3) there was no significant change in appearance of grade follicles at 0h and 12h after LPS treatment, and there was no significant difference in the appearance of grade follicles in different grades of follicular stroma. But when treated with LPS for 24 h, the grade follicles of 3 geese showed dark yellow gelatinized denaturation, and when treated with LPS for 36 h, the grade follicles of three geese showed dark yellow gelatinized denaturation. (4) compared with the control group (LPS treatment for 0 h), the expression levels of TLR2An4 and 5 increased significantly at 12 and 24 h of LPS treatment. The expression level of TLR2B increased significantly at 24 h after LPS treatment. (4) compared with the control group (LPS treatment for 0 h), the expression levels of TLR2A4 and 5 increased significantly at 12 and 24 h of LPS treatment. 15 expression level increased significantly during 6-24 h of LPS treatment. However, there was no significant difference between the expression levels of TLRs 1A 1 B3 and 21 during 6-24 h of LPS treatment. (5) compared with the grade follicular stroma layer, the expression levels of TLRs 1A1A1A2A2AO2BO2BP4 and 15 increased significantly in the degenerative follicles treated with LPS for 24 and 36 h, and the expression level of TLR3 was significantly lower than that in the stroma of grade follicles, and the expression level of TLR3 was significantly decreased in the degenerated follicles treated with LPS. However, the expression levels of TLRs 1B and 21 were significantly increased in the denatured follicles treated with LPS for 36 h. [conclusion] all the TLR family genes of 10 species of birds were expressed in the stroma of graded follicles of goose, and the expression of TLRs was prolonged with the time of LPS treatment. The morphological structure of grade follicles changed, but the expression of TLRs increased gradually.
【作者單位】: 江蘇省農(nóng)業(yè)科學院畜牧研究所動物品種改良和繁育重點實驗室;
【基金】:江蘇省自然科學基金(BK20130718) 國家水禽產(chǎn)業(yè)技術(shù)體系(CARS-43-16)
【分類號】:S835
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