circRNA-SIRT1促進(jìn)人肝細(xì)胞癌侵襲遷移的機(jī)制研究
發(fā)布時(shí)間:2021-11-09 11:36
[目 的]肝細(xì)胞肝癌是肝癌中最主要的分型,而肝癌最重要的相關(guān)因素即為慢性感染乙肝和丙肝。2011年肝癌成為我國(guó)第四大最常見癌癥和第二大癌癥死因,2014年中國(guó)新增肝癌病例364800例,肝癌死亡約318800例,中國(guó)人口約占世界的19%,但新發(fā)肝癌患者和死亡病例卻占了 50%以上。肝癌的治療的方法臨床上常采用肝切除和肝移植手術(shù),有研究表明肝癌患者5年的生存率與手術(shù)治療的時(shí)機(jī)有關(guān),早期的干預(yù)對(duì)患者有益。肝癌早期癥狀不典型,并且缺乏早期的診斷指標(biāo),所以導(dǎo)致確診時(shí)疾病已經(jīng)進(jìn)展,且伴有腫瘤的遠(yuǎn)處轉(zhuǎn)移,此時(shí)的患者已經(jīng)喪失了最佳的治療時(shí)機(jī)。一項(xiàng)以生存時(shí)間為研究對(duì)象的實(shí)驗(yàn)表明,中國(guó)肝癌患者的年齡標(biāo)準(zhǔn)化五年相對(duì)生存率僅為12.1%,這個(gè)存活率普遍很低的重大健康問(wèn)題,不僅中國(guó)如此,全球范圍內(nèi)也急需解決。再者,手術(shù)治療也可能復(fù)發(fā)。所以目前對(duì)于防治肝癌來(lái)說(shuō),發(fā)現(xiàn)靈敏的早期診斷以及治療靶標(biāo)顯得尤為重要。本研究的目的在于通過(guò)對(duì)肝細(xì)胞癌和癌旁進(jìn)行全轉(zhuǎn)錄組測(cè)序,然后生信篩選確定靶標(biāo)circRNA分子,定量檢測(cè)并比較靶標(biāo)circRNA在HCC和癌旁組織中的RNA表達(dá)水平,進(jìn)行組織、細(xì)胞、分子和動(dòng)物四個(gè)維度的實(shí)驗(yàn)驗(yàn)證,...
【文章來(lái)源】:昆明醫(yī)科大學(xué)云南省
【文章頁(yè)數(shù)】:148 頁(yè)
【學(xué)位級(jí)別】:博士
【部分圖文】:
圖1.?ceRNAs、miRNA以及mRNA之間的相互作用[41]??
A??丁?NTNTNTN?I?NTNTN?TN?T?N??(、mrg?rag—??B?C??/?12()-|?p?=?0.0271?^?-1—?Low?expression?of?circ-SI?R?I'?1??;?I?i?\j?-1-?I?Hull?expression?of?circ-SIRTl??1?l00'?o8°°〇〇?-?80 ̄?h?"?Logiank?p?=0.1093??8〇-?。?>?\?HR(h,uh)-l508??|,0-?J?|F?\?nSS??i2〇_? ̄S〇?A、)-?t??£:?(,J——〇Q〇°7&〇°〇? ̄—?0-|?1??,?丨 ̄,?1??adjacent?Cancer?0?40?80?120?160??Months??圖4.組織芯片原位雜交及臨床預(yù)后結(jié)果.??Figure?4.?Tissue?Chip?in?situ?hybridization?and?clinical?prognosis?results.??A.運(yùn)用circ-SIRTl?(綠)和a-SMA?(紅)的探針檢測(cè)肝癌組織芯片中的表達(dá)情況,??DAPI為藍(lán)色:B.雜交統(tǒng)計(jì)結(jié)果;C.生存分析曲線。??65??
A??—?腸??H?2.0-?**??lillUal??i?i?i?i??cancer?normal??B?HepG2??§?,01?I?1?1?■■?vector??°?4?T?■?circ-SIRTl??C??1?3-?*?Huh7??良?■Mock??2?^?I?I?1?si-circ-ctrl??運(yùn)?1-?i?I?^?i?1?II?i?#?■■?si-circ-SIRTl??:0?n?h?ii?I?i?llli?f?llll?i??u? ̄? ̄? ̄?i?i??circ-SIRTl?SIRT1?miR-132?miR-212??圖5.?qPCR檢測(cè)circ-SIRTl在細(xì)胞系中的表達(dá)情況及基因操作工具驗(yàn)證.??Figure?5.?qPCR?detection?of?circ-SIRTl?expression?in?cell?lines?and?validation?of??genetic?manipulation?tools.??A.各肝癌和非肝癌細(xì)胞系的circ-SIRTl的表達(dá)情況;B.Huh7和HepG2細(xì)胞中??circ-SIRTl敲低/過(guò)表達(dá)效率驗(yàn)證,并檢測(cè)SIRT1、miR-132和miR-212的表達(dá)。??注:A?中#相對(duì)?HepaRG,?*相對(duì)?HL-7702,?B?中*相對(duì)?vector,?#相對(duì)?si-circ-ctrl,??表示?p?<?0.05.??70??
【參考文獻(xiàn)】:
期刊論文
[1]Au@SiO2 @CuInS2–ZnS/Anti-AFP fluorescent probe improves HCC cell labeling[J]. Yi-Wen Dai,Li-Xin Zhu,Yan Zhang,Shu-Hui Wang,Kui Chen,Tong-Tong Jiang,Xiao-Liang Xu,Xiao-Ping Geng. Hepatobiliary & Pancreatic Diseases International. 2019(03)
[2]Liver cancer incidence and mortality in China: Temporal trends and projections to 2030[J]. Rongshou Zheng,Chunfeng Qu,Siwei Zhang,Hongmei Zeng,Kexin Sun,Xiuying Gu,Changfa Xia,Zhixun Yang,He Li,Wenqiang Wei,Wanqing Chen,Jie He. Chinese Journal of Cancer Research. 2018(06)
[3]Annual report on status of cancer in China, 2011[J]. Wanqing Chen,Rongshou Zheng,Hongmei Zeng,Siwei Zhang,Jie He. Chinese Journal of Cancer Research. 2015(01)
[4]Non-viral factors contributing to hepatocellular carcinoma[J]. Manal A Hamed,Sanaa A Ali. World Journal of Hepatology. 2013(06)
[5]Disseminated tumor cells homing into rats’ liver:A new possible mechanism of HCC recurrence[J]. Qi-Gen Li Guang-Shun Yang Qing Yang Li-Xin Wei Ning Yang Xue-Ping Zhou Feng-Qi Jia Eastern Hepatobiliary Surgery Hospital,Second Military Medical University,Shanghai 200438,China. World Journal of Gastroenterology. 2004(06)
本文編號(hào):3485256
【文章來(lái)源】:昆明醫(yī)科大學(xué)云南省
【文章頁(yè)數(shù)】:148 頁(yè)
【學(xué)位級(jí)別】:博士
【部分圖文】:
圖1.?ceRNAs、miRNA以及mRNA之間的相互作用[41]??
A??丁?NTNTNTN?I?NTNTN?TN?T?N??(、mrg?rag—??B?C??/?12()-|?p?=?0.0271?^?-1—?Low?expression?of?circ-SI?R?I'?1??;?I?i?\j?-1-?I?Hull?expression?of?circ-SIRTl??1?l00'?o8°°〇〇?-?80 ̄?h?"?Logiank?p?=0.1093??8〇-?。?>?\?HR(h,uh)-l508??|,0-?J?|F?\?nSS??i2〇_? ̄S〇?A、)-?t??£:?(,J——〇Q〇°7&〇°〇? ̄—?0-|?1??,?丨 ̄,?1??adjacent?Cancer?0?40?80?120?160??Months??圖4.組織芯片原位雜交及臨床預(yù)后結(jié)果.??Figure?4.?Tissue?Chip?in?situ?hybridization?and?clinical?prognosis?results.??A.運(yùn)用circ-SIRTl?(綠)和a-SMA?(紅)的探針檢測(cè)肝癌組織芯片中的表達(dá)情況,??DAPI為藍(lán)色:B.雜交統(tǒng)計(jì)結(jié)果;C.生存分析曲線。??65??
A??—?腸??H?2.0-?**??lillUal??i?i?i?i??cancer?normal??B?HepG2??§?,01?I?1?1?■■?vector??°?4?T?■?circ-SIRTl??C??1?3-?*?Huh7??良?■Mock??2?^?I?I?1?si-circ-ctrl??運(yùn)?1-?i?I?^?i?1?II?i?#?■■?si-circ-SIRTl??:0?n?h?ii?I?i?llli?f?llll?i??u? ̄? ̄? ̄?i?i??circ-SIRTl?SIRT1?miR-132?miR-212??圖5.?qPCR檢測(cè)circ-SIRTl在細(xì)胞系中的表達(dá)情況及基因操作工具驗(yàn)證.??Figure?5.?qPCR?detection?of?circ-SIRTl?expression?in?cell?lines?and?validation?of??genetic?manipulation?tools.??A.各肝癌和非肝癌細(xì)胞系的circ-SIRTl的表達(dá)情況;B.Huh7和HepG2細(xì)胞中??circ-SIRTl敲低/過(guò)表達(dá)效率驗(yàn)證,并檢測(cè)SIRT1、miR-132和miR-212的表達(dá)。??注:A?中#相對(duì)?HepaRG,?*相對(duì)?HL-7702,?B?中*相對(duì)?vector,?#相對(duì)?si-circ-ctrl,??表示?p?<?0.05.??70??
【參考文獻(xiàn)】:
期刊論文
[1]Au@SiO2 @CuInS2–ZnS/Anti-AFP fluorescent probe improves HCC cell labeling[J]. Yi-Wen Dai,Li-Xin Zhu,Yan Zhang,Shu-Hui Wang,Kui Chen,Tong-Tong Jiang,Xiao-Liang Xu,Xiao-Ping Geng. Hepatobiliary & Pancreatic Diseases International. 2019(03)
[2]Liver cancer incidence and mortality in China: Temporal trends and projections to 2030[J]. Rongshou Zheng,Chunfeng Qu,Siwei Zhang,Hongmei Zeng,Kexin Sun,Xiuying Gu,Changfa Xia,Zhixun Yang,He Li,Wenqiang Wei,Wanqing Chen,Jie He. Chinese Journal of Cancer Research. 2018(06)
[3]Annual report on status of cancer in China, 2011[J]. Wanqing Chen,Rongshou Zheng,Hongmei Zeng,Siwei Zhang,Jie He. Chinese Journal of Cancer Research. 2015(01)
[4]Non-viral factors contributing to hepatocellular carcinoma[J]. Manal A Hamed,Sanaa A Ali. World Journal of Hepatology. 2013(06)
[5]Disseminated tumor cells homing into rats’ liver:A new possible mechanism of HCC recurrence[J]. Qi-Gen Li Guang-Shun Yang Qing Yang Li-Xin Wei Ning Yang Xue-Ping Zhou Feng-Qi Jia Eastern Hepatobiliary Surgery Hospital,Second Military Medical University,Shanghai 200438,China. World Journal of Gastroenterology. 2004(06)
本文編號(hào):3485256
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