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Enpp2基因的分子特征及其在雌性牦牛不同繁殖阶段生殖器官中的表达 被引量:5
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作者 马文斌 王萌 +7 位作者 潘阳阳 王靖雷 张燕燕 高丽青 张晖 王军乾 余四九 王立斌 《动物医学进展》 北大核心 2022年第1期58-64,共7页
为了探讨胞外焦磷酸酶/磷酸酯酶2(Enpp2)基因在母牦牛不同繁殖阶段生殖器官中的表达与定位,对Enpp2基因进行克隆,并利用实时荧光定量PCR(RT-qPCR)、蛋白质免疫印迹(Western blot)和免疫组织化学法检测ENPP2在母牦牛生殖器官中的表达与... 为了探讨胞外焦磷酸酶/磷酸酯酶2(Enpp2)基因在母牦牛不同繁殖阶段生殖器官中的表达与定位,对Enpp2基因进行克隆,并利用实时荧光定量PCR(RT-qPCR)、蛋白质免疫印迹(Western blot)和免疫组织化学法检测ENPP2在母牦牛生殖器官中的表达与定位。结果显示,Enpp2基因ORF全长2669 bp,共编码875个氨基酸,表现为高度保守且种属间存在差异性;ENPP2蛋白是一种不稳定的可溶性蛋白,有信号肽。ENPP2在雌性牦牛生殖器官均有表达,其中在卵巢上,妊娠期的相对表达量显著高于卵泡期和黄体期(P<0.05);在输卵管上,黄体期最高,妊娠期最低(P<0.05);在子宫上,妊娠期显著低于卵泡期和黄体期(P<0.05)。免疫组化结果显示,ENPP2主要定位在黄体细胞、卵泡膜和卵泡颗粒层、输卵管黏膜上皮以及子宫内膜和子宫腺上。研究结果可为探究牦牛生殖生理提供理论基础。 展开更多
关键词 牦牛 enpp2 卵巢 输卵管 子宫
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Reductive lipid nanoparticles loaded with vinorelbine inhibit chemotherapy-induced invasion of cancer cells by modulating ENPP2
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作者 Xiaoqi Zhao Xuemeng Guo +10 位作者 Mei Pang Weigen Qiu Zhenyu Luo Qing Lin Yichao Lu Hang Yin Sijie Wang Huihui Liu Junlei Zhang Lihua Luo Jian You 《Nano Research》 SCIE EI CSCD 2024年第4期2886-2898,共13页
Cancer is a predominant culprit behind worldwide death and accounts for up to 10 million deaths every year.Chemotherapy is the primary therapeutic method employed for cancer in clinical settings and is essential in co... Cancer is a predominant culprit behind worldwide death and accounts for up to 10 million deaths every year.Chemotherapy is the primary therapeutic method employed for cancer in clinical settings and is essential in controlling tumor progression.Despite the advances in this field,tumor invasion and metastasis during treatment remain a significant cause of treatment failure.Nevertheless,the underlying mechanisms involving such a disappointing phenomenon are still not fully elucidated.Vinorelbine(VNB)extends the lifespan of many cancer patients in the clinic as an emerging chemotherapy drug approved by Food and Drug Administration(FDA).However,VNB-induced tumor metastasis is still an intractable problem,which may be closely related to the abnormal oxidative stress generated during VNB-mediated treatment.Hence,the study aims to construct a reductive nanosystem loaded with VNB,called VNB-VNP,to improve cancer cure rates and reduce tumor metastasis.With the reductive component vitamin E,VNB-VNP can effectively reduce oxidative stress and significantly outperform free VNB in preventing tumor progression.The transcriptome analysis shows that VNB-VNP can alleviate the over-expression of ectonucleotide pyrophosphatase/phosphodiesterase 2(ENPP2),which may be the main reason why VNB-VNP can inhibit tumor invasion and metastasis.Overall,the research designs a new platform for VNB treatment,which demonstrates promising efficacy in inhibiting neoplastic progression and identifies a new mechanism associated with VNB-induced tumor metastasis,which may offer several valuable references for enhancing chemotherapy efficacy in clinical anti-tumor therapy. 展开更多
关键词 chemotherapy VINORELBINE tumor Invasion lysophosphatidic acid ectonucleotide pyrophosphatase/phosphodiesterase 2(enpp2)
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