Dyrk1B調(diào)控HPV E7表達(dá)細(xì)胞在靜止?fàn)顟B(tài)下越過G0/1/S檢測(cè)點(diǎn)進(jìn)入S期的機(jī)制研究
發(fā)布時(shí)間:2021-08-15 11:32
人乳頭瘤病毒(Human papillomaviruses, HPV)按病毒致癌能力的大小分為低危型HPV (HPV 6,11等)和高危型HPV (HPV 16,18等),低危型HPV主要引起良性外生性疣,宮頸上皮內(nèi)瘤變(cervical intraepithelial neoplasm, CIN),高危型HPV主要引起宮頸上皮內(nèi)中、高度瘤變(CINⅡ、CIN Ⅲ)和宮頸浸潤(rùn)性鱗癌。女性最常見的惡性腫瘤之一是宮頸癌,在全球女性惡性腫瘤中僅次于乳腺癌居第二位。90%的宮頸癌患者可檢測(cè)到高危型HPV DNA,宮頸癌的必備條件是持續(xù)高危HPV感染引起CIN病變持續(xù)和進(jìn)展,從而導(dǎo)致癌癥的發(fā)生。宮頸癌標(biāo)本中,HPV 16、18型感染占70%以上,其中16型HPV占51.0%。HPV是小環(huán)狀DNA病毒,其轉(zhuǎn)化功能主要依賴于早期蛋白E7以及E6,其中E7降解抑癌蛋白pRb,釋放與Rb結(jié)合的轉(zhuǎn)錄因子E2F,啟動(dòng)DNA復(fù)制所需蛋白的轉(zhuǎn)錄,引起細(xì)胞增殖紊亂與基因組不穩(wěn)定性。在轉(zhuǎn)基因鼠模型中,高度宮頸上皮內(nèi)瘤變(high-grade cervical intraepithelial neoplasia, C...
【文章來源】:山東大學(xué)山東省 211工程院校 985工程院校 教育部直屬院校
【文章頁(yè)數(shù)】:218 頁(yè)
【學(xué)位級(jí)別】:博士
【部分圖文】:
圖2?HPVE7細(xì)胞在血清饑餓《件下與對(duì)照細(xì)胞比較,p27蛋白表達(dá)量高,但細(xì)??
圖3?HPV-16?E7細(xì)胞中p27蛋白的礙酸化修飾。A.?HPV-16?E7細(xì)胞p27蛋白??VSN邱SPSLER(6-1巧膚段的質(zhì)譜峰圖。B圖和C圖用己知抗體檢測(cè)HPV-16E7??細(xì)胞p27蛋白的礎(chǔ)酸化修飾和蛋白表達(dá)水平。B圖是RPE1?vector和RPE1?E7細(xì)??胞,C圖是PHK/PHK16E7細(xì)胞。P-山bulin是內(nèi)參,柱狀圖是對(duì)應(yīng)上圖的統(tǒng)計(jì)分??析結(jié)果圖,統(tǒng)計(jì)學(xué)分析結(jié)果由4次重復(fù)結(jié)果得出。??Figure?3:?Phosphorylation?of?p27?in?HPV?E7?expressing?cells.?A.?MS/MS?spectra?抗r??peptide?from?human?p27?spanni打呂?amino?acid?residues?VSNGpSPSLE民(6-15)?in??HPV-16?E7?expressing?epkhelial?cells.?B.?and?C.?Expression?and?phosphorylation?of??p27?in?HPV-16?E7?expressing?cells.?p27?and?phospho-p27?levels?in?PHK?B.and?RPEl??C.cells?expressing?E7?or?control?were?examined?by?Western?blot?and?quantified??(Lower?panels).?Cells?were?harvested,?lysed?and?pro化in?levels?were?analyzed?by??immunoblot?and?quantified?(Lower?panel).??
圖4?DyrklB激酶調(diào)控HPV?E7細(xì)胞在靜息期p27的磯酸化。A.篩選HPV巧細(xì)在靜息期與p27憐酸化相關(guān)的蛋白激酶[26]。B.?DyrklB激酶調(diào)控HPV?E7細(xì)在靜息期p27serl0和T198位點(diǎn)的磯酸化。C.用另一條不同序列的DyrklBsiRN#5驗(yàn)證DyrldB激酶調(diào)控HPV巧細(xì)胞在靜息期p27serl0和T198位點(diǎn)的麟酸化Figure?4:?DyrklB?was?important?for?phosphorylation?of?p27?in?HPV?E7?expi*essincells?i打?quiescence?states.?A.?Screening?for?kinases?related?to?phosphorylation?of?p2in?HPV?E7?cells?under?serum?starvatio打?conditions.?B.?DyrklB?is?important?fbr?p2phosphorylation?in?E7?expressing?cells.?RPEl?E7?cells?were?transfected?wit打on-specific?control?(NC)?or?DyrklB?spedfic?siRNAs?at?a?final?concentration?of?2nM.?C.?Repeating?化is?experiment?wUh?another?seque打ce?of?small?interfering?RNs巧uence?of?DyrklB#5?化?verify?化e?accuracy?of?也e?results?of?DyrklB?targeted?fophosphorylat
本文編號(hào):3344471
【文章來源】:山東大學(xué)山東省 211工程院校 985工程院校 教育部直屬院校
【文章頁(yè)數(shù)】:218 頁(yè)
【學(xué)位級(jí)別】:博士
【部分圖文】:
圖2?HPVE7細(xì)胞在血清饑餓《件下與對(duì)照細(xì)胞比較,p27蛋白表達(dá)量高,但細(xì)??
圖3?HPV-16?E7細(xì)胞中p27蛋白的礙酸化修飾。A.?HPV-16?E7細(xì)胞p27蛋白??VSN邱SPSLER(6-1巧膚段的質(zhì)譜峰圖。B圖和C圖用己知抗體檢測(cè)HPV-16E7??細(xì)胞p27蛋白的礎(chǔ)酸化修飾和蛋白表達(dá)水平。B圖是RPE1?vector和RPE1?E7細(xì)??胞,C圖是PHK/PHK16E7細(xì)胞。P-山bulin是內(nèi)參,柱狀圖是對(duì)應(yīng)上圖的統(tǒng)計(jì)分??析結(jié)果圖,統(tǒng)計(jì)學(xué)分析結(jié)果由4次重復(fù)結(jié)果得出。??Figure?3:?Phosphorylation?of?p27?in?HPV?E7?expressing?cells.?A.?MS/MS?spectra?抗r??peptide?from?human?p27?spanni打呂?amino?acid?residues?VSNGpSPSLE民(6-15)?in??HPV-16?E7?expressing?epkhelial?cells.?B.?and?C.?Expression?and?phosphorylation?of??p27?in?HPV-16?E7?expressing?cells.?p27?and?phospho-p27?levels?in?PHK?B.and?RPEl??C.cells?expressing?E7?or?control?were?examined?by?Western?blot?and?quantified??(Lower?panels).?Cells?were?harvested,?lysed?and?pro化in?levels?were?analyzed?by??immunoblot?and?quantified?(Lower?panel).??
圖4?DyrklB激酶調(diào)控HPV?E7細(xì)胞在靜息期p27的磯酸化。A.篩選HPV巧細(xì)在靜息期與p27憐酸化相關(guān)的蛋白激酶[26]。B.?DyrklB激酶調(diào)控HPV?E7細(xì)在靜息期p27serl0和T198位點(diǎn)的磯酸化。C.用另一條不同序列的DyrklBsiRN#5驗(yàn)證DyrldB激酶調(diào)控HPV巧細(xì)胞在靜息期p27serl0和T198位點(diǎn)的麟酸化Figure?4:?DyrklB?was?important?for?phosphorylation?of?p27?in?HPV?E7?expi*essincells?i打?quiescence?states.?A.?Screening?for?kinases?related?to?phosphorylation?of?p2in?HPV?E7?cells?under?serum?starvatio打?conditions.?B.?DyrklB?is?important?fbr?p2phosphorylation?in?E7?expressing?cells.?RPEl?E7?cells?were?transfected?wit打on-specific?control?(NC)?or?DyrklB?spedfic?siRNAs?at?a?final?concentration?of?2nM.?C.?Repeating?化is?experiment?wUh?another?seque打ce?of?small?interfering?RNs巧uence?of?DyrklB#5?化?verify?化e?accuracy?of?也e?results?of?DyrklB?targeted?fophosphorylat
本文編號(hào):3344471
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