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牧醫(yī)工程學(xué)院本科學(xué)生論文電子模版doc(存儲版)

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【正文】 n of 4week Gushi chicken: The positive Fascells, in spleen, distributed in red pulp scatteredly or in clusters. The positive Fasprotein was yellowish brown, and found in cell membrane and cytoplasm of lymphocytes. (400)6. Expression of Fas in thymus of 12week Gushi chicken. The positive Fascells, in thymus, were localized scatteredly in thymic medulla. (200)7. Expression of FasL in Bursa of 12week Gushi chicken: The positive FasLcells were scattered, or in clusters, and observed in lamina propria of mucous membrane between epithelium and lymphoid nodules, a few in edges of lymphoid nodules.(200)8. Expression of FasL in Bursa of 4week Gushi chicken: The positive FasLcells were scattered, or in clusters, and distributed in lamina propria of mucous membrane between epithelium and lymphoid nodules. (200)縮略詞Ca:中央動脈。(200)2.4周齡固始雞法氏囊內(nèi)凋亡基因Fas的表達(dá):Fas表達(dá)陽性細(xì)胞分布于法氏囊淋巴小結(jié)邊緣和內(nèi)部、淋巴小結(jié)與淋巴小結(jié)之間區(qū)域,散在或簇團(tuán)狀分布。本試驗是在河南省家禽種質(zhì)資源創(chuàng)新工程研究中心進(jìn)行的,在此期間田亞東、孫桂榮等老師給予了大力幫助和支持,在此表示由衷的感謝!(五號宋體空行)參考文獻(xiàn):(小五黑體)[1] 袁紅, 楊明清. Fas/FasL與凋亡研究進(jìn)展[J]. 國外醫(yī)學(xué)-生理、病理科學(xué)與臨床分冊, 2000, 20(1): 26~28.(小五宋體或Times New Roman。 關(guān)于FasL在固始雞免疫器官內(nèi)的表達(dá)特點及其生理意義FasL在固始雞法氏囊內(nèi)的表達(dá)部位與Fas相似,但表達(dá)量較少。另外基因突變可導(dǎo)致Fas和FasL的表達(dá)發(fā)生障礙[28]。正常生理情況下淋巴細(xì)胞的凋亡,對于促進(jìn)B淋巴細(xì)胞的增值分化和成熟具有重要的生理意義[1]。 BC注:同列字母不同表示差異顯著(P)。 BC177。 C177。9 / 9由表1可知,F(xiàn)as在不同發(fā)育階段固始雞脾臟內(nèi)均有表達(dá),但表達(dá)量有所不同。陽性細(xì)胞分布于上皮層與淋巴小結(jié)之間靠近上皮層的固有膜區(qū)域、淋巴小結(jié)邊緣、淋巴小結(jié)與淋巴小結(jié)之間固有膜區(qū)域,淋巴小結(jié)內(nèi)部少量淋巴細(xì)胞也有Fas表達(dá)。2 結(jié)果與分析免疫組織化學(xué)結(jié)果的判定參照標(biāo)準(zhǔn)(陽性細(xì)胞判定標(biāo)準(zhǔn)):經(jīng)免疫組織化學(xué)染色的切片,背景無色或淺藍(lán)色。顯微鏡:Leica DM 2000;攝像頭:CH9435 Heerbrugg (DFC 320);軟件處理系統(tǒng):Leica QWin 軟件。研究不同發(fā)育階段固始雞免疫器官淋巴細(xì)胞凋亡機(jī)制,對研究免疫器官的穩(wěn)定、環(huán)境與動物有機(jī)體,特別是與免疫的關(guān)系[21~25],調(diào)節(jié)免疫器官發(fā)育,制定合理的免疫程序等都具有重要意義。Fas系統(tǒng)功能正常對機(jī)體自身穩(wěn)定具有重要作用,F(xiàn)as功能過強(qiáng)或缺陷均可導(dǎo)致疾病發(fā)生[2]。 Immunity organ。結(jié)果:Fas在不同發(fā)育階段固始雞免疫器官內(nèi)均有表達(dá),但表達(dá)量均不相同,呈波浪樣動態(tài)變化;Fas表達(dá)于固始雞免疫器官內(nèi)淋巴細(xì)胞細(xì)胞膜和細(xì)胞質(zhì),不表達(dá)于細(xì)胞核;Fas表達(dá)陽性細(xì)胞在固始雞不同免疫器官內(nèi)分布位置不同,呈散在或簇團(tuán)狀分布:法氏囊內(nèi)陽性細(xì)胞主要分布于黏膜靠近上皮細(xì)胞的固有膜層內(nèi)、淋巴小結(jié)與淋巴小結(jié)之間區(qū)域、淋巴小結(jié)邊緣,淋巴小結(jié)內(nèi)少量淋巴細(xì)胞也有Fas表達(dá);胸腺內(nèi)主要分布于胸腺小葉髓質(zhì),極少出現(xiàn)在皮質(zhì)內(nèi);脾臟內(nèi)主要分布于紅髓和邊緣區(qū)、淋巴小結(jié)周圍和動脈周圍淋巴鞘周圍的區(qū)域,動脈周圍淋巴鞘極少有Fas表達(dá),淋巴小結(jié)無Fas表達(dá)。關(guān)鍵詞(小五黑體):細(xì)胞凋亡;Fas;FasL;凋亡基因表達(dá);免疫組織化學(xué);免疫器官;固始雞(小五號楷體)(五號楷體空行)Dynamic Expression of Apoptosis Gene Fas and FasL in Immunity Organs of Gushi Chickens(三號Times New Roman居中,實詞首字母均應(yīng)該大寫)(五號楷體空行)MEI Chengjun(四號Times New Roman居中)(Class 1 of Animal Science, Graduated in 2007)(小四Times New Roman居中,實詞首字母均應(yīng)該大寫)(小四楷體空行)Abstract(小五Times New Roman加黑): Dynamic(小五Times New Roman) expression of apoptosis gene Fas and FasL in immunity organs of Gushi chickens(Objective) was studied by using the immunohistochemical techniques and Leica imageprocessing system(Method). The results showed that Fas gene expressed in the immunity organs at different developmental stages, but the expression products varied and the dynamic changes were wave. Fas expressed in the cell membrane and the cytoplasm in the immunity organs, while negatively in the nucleus of lymphocytes. Fas gene positively expressed cells dist
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