RNA结合蛋白KSRP在急性髓系白血病(AML)M5型细胞中的功能

目的探讨RNA结合蛋白KSRP在不同类型急性髓系白血病(AML)中的表达,并研究KSRP对AML细胞增殖的调控功能。方法利用基因表达汇编(GEO)数据集和癌基因组图谱(TCGA)的数据分析KSRP在AML中的表达水平;在人外周血的单核细胞系(THP-1)中利用慢病毒传导分别抑制KSRP的内源表达或者过表达miR-129,检测细胞的增殖和凋亡。结果 KSRP在t(15;17)型急性早幼粒细胞白血病中低表达,而在混合谱系白血病(MLL)易位的急性单核细胞白血病或急性粒-单核细胞白血病中高表达。抑制内源KSRP的表达后显著抑制了THP-1细胞的增殖(P0.01)而促进细胞凋亡(P0.01)。过表达miR-129后促进THP-1细胞的增殖(P0.05)。结论KSRP通过促进miR-129的加工调控AML-M5型细胞的增殖。     

miR-100-5p靶向mTOR对急性髓样白血病细胞增殖的影响

目的 探讨miR-100-5p靶向mTOR对急性髓样白血病细胞增殖的影响。方法 miR-100-5pmimics转染HL-60细胞,通过实时定量PCR进行验证及Western blot检测miR-100-5p过表达后细胞mTOR蛋白的表达。采用CCK-8法检测miR-100-5p对HL-60细胞增殖的影响,应用双荧光素酶报告基因实验进行验证mTOR是否为miR-100-5p潜在的靶基因,CCK-8法进一步检测miR-100-5p靶向mTOR对急性髓样白血病细胞增殖的影响。结果 miR-100-5p下调HL-60细胞中mTOR mRNA和蛋白表达水平,抑制HL-60细胞体外增殖,mTOR为miR-100-5p的靶标,且miR-100-5p靶向mTOR抑制急性髓样白血病细胞增殖。结论 miR-100-5p通过靶向mTOR抑制急性髓样白血病中的细胞增殖。     

miR-150通过调节c-Myb抑制人慢性髓系白血病细胞系K562增殖

目的探讨miR-150在人慢性髓系白血病细胞系K562中的功能和作用机制。方法以临床收集的慢性髓系白血病患者、和健康人外周血中的单个核细胞为实验材料;实时定量PCR检测miR-150和c-Myb mRNA的表达水平;使用miR-150模拟物转染K562细胞;通过CCK-8法检测K562细胞增殖;通过流式细胞计量术检测K562细胞周期;荧光素酶报告基因实验结合Western blot检测miR-150对其下游靶基因c-Myb的调控作用。结果慢性髓系白血病患者与健康人相比,miR-150表达降低,而c-Myb表达升高;过量表达miR-150可以抑制K562细胞的增殖(P0.05),同时,阻滞K562细胞周期的运行;miR-150可以下调靶基因c-Myb的表达。结论 miR-150在慢性髓系白血病中表达下调,其作用机制是通过抑制癌基因c-Myb的表达抑制白血病细胞的增殖。     

QKI5～miR-124～c-Myc调控通路促进白血病细胞增殖

目的研究RNA结合蛋白QKI在人急性髓系白血病(AML)中的功能和作用的分子机制。方法以临床初诊的急性髓系白血病患者为实验组,以正常人为对照组;用RT-qPCR分别检测QKI5、QKI6、QKI7 mRNA在外周血单个核细胞(PBMCs)中的表达;用表达QKI5的慢病毒颗粒感染人急性髓系白血病细胞系HL-60;RT-qPCR检测QKI5的过表达效果;用CCK-8法检测HL-60细胞增殖;用PI染色结合流式细胞计量术检测细胞周期;用RT-qPCR检测QKI5对miRNA表达的影响。结果 QKI5在实验组表达显著降低于对照组(P0.05),而QKI6和QKI7未见显著差异;过表达QKI5抑制HL-60细胞增殖和细胞周期的运行;QKI5促进miR-124-3p的产生;miR-124-3通过靶向抑制c-Myc的表达抑制HL-60细胞增殖。结论 QKI5～miR-124～c-Myc调控通路在人急性髓系白血病发生中发挥重要调节作用。     

MiR-143通过靶控KRAS表达对白血病细胞增殖的影响

目的：探讨miR-143靶向KRAS对急性髓系白血病细胞系HL-60增殖的影响。方法选取HL-60为研究对象,采用荧光素酶报告基因实验验证miR-143对KRAS的靶向作用;采用RT-PCR检测细胞中miR-143及KRAS mRNA表达;采用Western印迹检测细胞中KRAS蛋白表达;采用MTT法检测HL-60增殖水平。结果与正常人外周血单个核细胞（ peripheral blood mononuclear cell, PBMNC）相比较, HL-60中miR-143表达显著降低, KRAS蛋白表达显著增加（ P＜0.01）。 miR-143可与KRAS基因3＇-非翻译区（ un-translated region, UTR）特异性结合。转染miR-143模拟物（ miR-143 mimic）可使HL-60中miR-143表达显著提高, KRAS蛋白表达显著降低,细胞增殖受到抑制;转染miR-143模拟物＋KRAS可使KRAS蛋白表达显著提高,同时部分逆转miR-143对HL-60细胞增殖的抑制作用。结论 miR-143可通过靶向KRAS抑制急性髓系白血病细胞系HL-60增殖。     

miR-320调节人慢性髓系白血病细胞系K562的增殖

目的探讨miR-320对人慢性髓系白血病细胞系K562增殖和细胞周期的影响。方法采用正常人及初诊的慢性髓系白血病患者外周血病单个核细胞,用实时定量PCR检测miR-320和β-catenin mRNA的表达;用miR-320模拟物转染K562细胞,CCK-8法检测细胞增殖;流式细胞计量术检测细胞周期;双荧光报告基因试验和Western blot检测β-catenin mRNA表达;实时定量PCR检测miR-320模拟物对Wnt/β-catenin信号通路下游基因的转录。结果 miR-320在慢性髓系白血病患者中的表达水平显著低于正常人,而β-catenin表达水平显著高于正常人(P0.05);过表达miR-320可以抑制K562细胞的增殖(P0.05)和细胞周期的运行;miR-320可抑制靶基因β-catenin的表达,进而抑制Wnt/β-catenin信号通路下游基因c-Myc、cyclin D、VEGF和Cox-2 mRNA的表达(P0.05)。结论 miR-320通过调节β-catenin的表达,在慢性髓系白血病中发挥抑癌功能。     

miR-34a-5p抑制K562细胞红系分化

目的探索miR-34a-5p对K562细胞红系分化的影响。方法分别用miR-34a-5p模拟物和反义抑制寡核苷酸转染K562细胞,用real-time PCR法检测过表达或干扰效率,并进一步用流式细胞术和联苯胺染色法检测K562细胞向红系的分化情况;通过Western blot方法检测miR-34a-5p的靶基因。结果 miR-34a-5p在K562细胞红系分化过程中呈现表达下降趋势;在K562细胞中过表达miR-34a-5p可抑制hemin诱导的红系分化(P0.05);反之,干扰K562内源的miR-34a-5p表达会对K562红系分化产生促进作用(P0.01);另一方面,miR-34a-5p通过靶向抑制c-MYB的表达抑制细胞向红系分化。结论 miR-34a-5p通过抑制c-MYB在K562细胞早期红系分化过程中发挥促进作用。     

miR-146a对THP-1细胞靶基因AUF1调控及细胞因子表达的影响

目的探讨miR-146a对人急性单核白血病细胞系(THP-1)靶基因AU碱基富集区结合降解因子1(AUF1)表达的调控及细胞因子表达的影响。方法构建miR-146a过表达及抑制表达慢病毒载体并转染THP-1细胞,以正常培养的THP-1细胞为对照。用实时定量PCR法检测THP-1细胞AUF1 mRNA表达;蛋白质印迹法检测THP-1细胞AUF1蛋白的表达;酶联免疫吸附试验检测THP-1细胞培养基上清液白细胞介素-8(IL-8)及白细胞介素-35(IL-35)浓度。结果过表达miR-146a,可导致THP-1细胞AUF1 mRNA及蛋白表达下调(P0.01,P0.05);THP-1细胞上清液IL-8及IL-35浓度降低(P0.01,P0.05)。抑制miR-146a表达,导致THP-1细胞上清液IL-8及IL-35浓度明显增高(P0.01,P0.01)。结论 AUF1是miR-146a的靶基因。miR-146a可以调控THP-1细胞上清液IL-8、IL-35浓度。IL-8的改变引起相应IL-35的改变,一起参与炎性反应。     

MicroRNA-26a的表达对急性髓系白血病细胞增殖的影响

目的观察构建has-miR-26a重组慢病毒的表达载体对急性髓系白血病细胞增殖能力的影响。方法构建人MicroRNA-26a慢病毒表达载体(LV-miR-26a-GFP)并感染人急性髓系白血病细胞系NB4;分为未感染组、感染组(感染LV-miR-26a-GFP)以及阴性对照组(感染LV-GFP);用real-time RT-PCR检测miR-26a在NB4细胞内的表达水平,Western blot检测PTEN的表达;用CCK-8法绘制细胞的生长曲线和软琼脂克隆形成实验检测细胞的增殖。结果成功构建miR-26a重组慢病毒的表达载体,感染白血病细胞NB4后,能够成功过表达miR-26a。生长曲线的结果显示与感染LV-GFP阴性对照组和未感染组相比,LV-miR-26a-GFP感染组细胞的增殖速度显著增加(P<0.01),软琼脂克隆形成实验证实了感染LV-miR-26a-GFP的NB4细胞的克隆形成能力(GFP+克隆数为75+10)与阴性对照组(感染LV-GFP)相比(GFP+克隆数为26+5)显著增强(P<0.05)。在NB4细胞中过表达miR-26a后,其靶基因PTEN的表达明显被抑制。结论 MicroRNA-26a的表达可增强急性髓系白血病细胞的增殖能力,促进白血病细胞的增殖。     

长链非编码RNA NEAT1对人白血病HL-60细胞增殖和侵袭的影响

目的 探索长链非编码RNA NEAT1对白血病HL-60细胞增殖和侵袭的影响,并初步分析其机制。方法 体外培养人白血病HL-60细胞,将lncRNA NEAT1模拟物转染白血病HL-60细胞,高表达NEAT1后,MTT方法检测HL-60细胞增殖能力,Transwell实验检测HL-60细胞侵袭能力。实时定量PCR检测各组细胞NEAT1和miR-181a-5p的表达,双荧光素酶报告基因实验分析NEAT1和miR-181a-5p的靶向关系。结果 转染NEAT1模拟物后,HL-60细胞的增殖和侵袭能力下降（P<0.05）,HL-60细胞中NEAT1的表达升高,miR-181a-5p的表达下降（P<0.05）,双荧光素酶实验表明NEAT1是miR-181a-5p的靶基因。结论高表达lncRNA NEAT1使白血病细胞HL-60的增殖和侵袭能力下降,其机制可能与下调miR-181a-5p表达有关。     

MiR-150-5p inhibits the proliferation and promoted apoptosis of pancreatic cancer cells北大核心CSCD

Objective: To investigate the role of miR-150-5p in cell proliferation and apoptosis in human pancreatic cancer cell lines. Methods: The expression of miR-150-5p in pancreatic cancer was detected by real time qPCR analysis in 11 pairs of pancreatic cancer tissue and matched adjacent normal tissue samples and in 4 pancreatic cancer cell lines. PANC-1, MIA PaCa-2, BxPC-3 and AsPC-1 cells were transfected with chemically synthesized MiR-150-5p mimics, and CCK-8 assays was then performed to assess cellular functions. To fully understand the mechanisms by which miR-150-5p exerted its function, cell cycle analysis was performed on MIA PaCa-2 and PANC-1 cells 48 hours after transfection, by incubating with propidium iodide (PI) and subsequently analyzed by fluorescence-activated cell sorting (FACS). Apoptosis assay was performed on MIA PaCa-2 and PANC-1 cell lines 24 hours after transfection using the Annexin V-FITC Apoptosis Detection Kit I (BD Biosciences) and analyzed by FACS. Results: The expression of miR-150-5p was consistently lower in the pancreatic cancer tissues than in normal tissues,and the miR-150-5p was also down-regulated in pancreatic cancer cell lines (P < 0. 05). MiR-150-5p mimics transfection significantly raised the expression level of miR-150-5p mRNA in PANC-1 and MIA PaCa-2 (P <0. 01). The CCK-8 proliferation assay showed that cell growth was reduced in 4 pancreatic cancer cell lines (AsPC-1, BxPC-3, MIA PaCa-2, PANC-1) of miR-150-5p transfected cells compared with NC-transfected cells. The inhibition rates were 50. 7%,48. 6%,30. 8% and 42. 3%, respectively (P <0. 01). The apoptotic rate was increased in cells transfected with miR-150-5p mimics (P < 0. 01). The cell cycle analysis in MIA PaCa-2 indicated that miR-150-5p treatment induced cell cycle arrest in G1 phase with a significant increase in the percentage of cells in G, phase (P < 0. 01), and a reduction of the S-phase cell population in MIA PaCa-2 and PANC-1 (P<0.01). Conclusions: MiR-150-5p is down-regulated in pancreatic cancer. Overexpression of miR-150-5p inhibits cell proliferation, blocked the cell cycle, but promotes cell apoptosis in pancreatic cancer cells.     

LncRNA NCK1-AS1 promotes non-small cell lung cancer progression via regulating miR-512-5p/p21 axis

ObjectiveThis study aimed at probing into the effect of lncRNA NCK1-AS1 on proliferation, migration and invasion of non-small cell lung cancer (NSCLC) cells and its regulatory function on miR-512-5p/p21 molecular axis.MethodsQuantitative real-time polymerase chain reaction (qRT-PCR) was used to assess the expressions of NCK1-AS1 and miR-512-5p in NSCLC tissues and cell lines. The alterations of cell proliferation, migration, invasion and cell cycle were examined by cell counting kit-8 (CCK-8) assay, BrdU experiment, Transwell experiment and flow cytometry, respectively. The dual-luciferase reporter assay and RNA immunoprecipitation experiment were performed to validate the binding relationships between miR-512-5p and NCK1-AS1, and miR-512-5p the 3'UTR of p21 mRNA. Western blot was used to determine the effects of NCK1-AS1 and miR-512-5p on p21 protein expression.ResultsNCK1-AS1 expression was up-regulated in NSCLC tissues and cells, and its high expression was correlated with shorter overall survival time and faster progression of patients. Overexpression of NCK1-AS1 promoted NSCLC cell proliferation, migration and invasion, and accelerated the cell cycle, whereas NCK1-AS1 siRNA inhibited these malignant biological behaviors, and arrested cell cycle. NCK1-AS1 could bind to miR-512-5p, p21 was verified as a target gene of miR-512-5p, and NCK1-AS1 could up-regulate the expression of p21 in NSCLC cells via repressing miR-512-5p expression.ConclusionNCK1-AS1 promotes NSCLC progression by regulating miR-512-5p/p21 molecular axis.     

Blocking lncRNA MIR155HG/miR-155-5p/-3p inhibits proliferation,invasion and migration of clear cell renal cell carcinoma

This study aimed to investigate the effect of blocking the MIR155HG/miR-155-5p/-3p axis on proliferation, invasion and migration of clear cell renal cell carcinoma. RT-qPCR was used to detect the expression of MIR155HG, miR-155-5p, miR-155-3p in clear cell renal cell carcinoma cell lines. To study the effects of blocking LncRNA MIR155HG and interfering with miR-155-5p and miR-155-3p on the biological function. The g proliferation of tumor was detected by CCK-8, and the cell invasion and migration abilities were detected by wound healing and transwell experiments. Western blot analyzed protein levels of KI67, PCNA, MMP2 and MMP9. Furthermore, TargetScan and miRDB were used to predict the co-target gene of miR-155-3p and miR-155-5p, and the functional analysis of co-target genes was performed using the DAVID. In the current research, the expression of MIR155HG was increased in ccRCC. Interference of MIR155HG inhibited the cellular functions of ccRCC cells, which was reversed by overexpression of miR-155-3p and miR-155-5p.In addition, MIR155HG interference repressed the expression of miR-155-5p and miR-155-3p in ccRCCs, while inhibition of miR-155-5p and miR-155-3p restrained the proliferation, invasion and migration of ccRCCs. Bioinformatics software analysis showed 13 co-targeting genes of miR-155-3p and miR-155-5p. Functional analysis presented that the target genes of miR-31-3p were involved in numerous of biochemical processes and pathways.Blocking lncRNA MIR155HG/miR-155-5p/-3p inhibits proliferation, invasion and migration of renal clear cell carcinoma, which provided a new method for early diagnosis and precise treatment of ccRCC.     

转化生长因子－β1诱导前单核自血病细胞分化过程中细胞表型变化的研究

本文对重组人转化生长因子－β１诱导前单核白血病细胞系ＴＨＰ－１细胞向ＭΦ分化过程中细胞表面特异性抗原表达变化进行了研究。流式细胞仪分析表明，实验细胞ＴＨＰ－１主要表现单核细胞的表型，巨噬细胞标志Ｍａｃ－１α、Ｍａｃ－１β、Ｍａｃ－２为阴性。ｒｈＴＧＦ－β１作用后，分化细胞表面单核细胞标志４Ｆ２表达下降，巨噬细胞特异抗原Ｍａｏ－１α、Ｍａｃ－１β、Ｍａｃ－２表达上升，细胞表现出ＭΦ表型。结合前文分化细胞表现出的脱氢酶硝基蓝四唑还原、α－萘酚醋酸酯酶活性和吞噬功能，可以发现分化细胞在细胞表面特异性抗原表达及细胞表型的转变与其ＭΦ生物学功能的获得在时相上基本一致。     

miR-183-5p acts as a potential prognostic biomarker in gastric cancer and regulates cell functions by modulating EEF2

BackgroundGastric cancer (GC) is the fourth most prevalent malignant tumor and the second leading cause of cancer-related death around the world. Aberrant proliferation and metastasis are the mainspring of death in patients with GC. However, the specific mechanism of gastric cancer is far from being fully elucidated. Accumulating evidence revealed that miRNA played a significant role in the tumorigenesis and development.MethodsThe level of miR-183-5p was detected in 102 GC patients by using qRT-PCR. The prognostic value of miR-183-5p in GC was evaluated. Cell function assays (CCK-8 and transwell assays) were conducted to assess the role of miR-183-5p in proliferation and metastasis in GC. Dual luciferase report assay and western blot were performed to validate this potential target regulated by miR-183-5p in GC.ResultsmiR-183-5p was down-regulated in GC tissues and cell lines. Remarkable pertinence was obtained between miR-183-5p level and TNM stage, tumor size, invasion depth, and lymph node metastasis. TNM stage, differentiation and miR-183-5p level were independent causes impacting on the overall survival in GC in multivariate analysis. GC individuals with high miR-183-5p level would experience a relatively better survival prognosis. Upregulation of miR-183-5p restrained GC cell proliferation and migration. EEF2 may be a potential target gene regulated by miR-183-5p in GC.ConclusionmiR-183-5p acts as a potential prognostic biomarker in gastric cancer and regulates cell functions by modulating EEF2.     

BDNF-AS/miR-145-5p轴对高糖诱导的肾小管上皮细胞损伤的影响CSCD

目的探讨脑源性神经营养因子反义RNA(brain-derived neurotrophic factor-antisense, BDNF-AS)对高糖诱导的肾小管上皮细胞损伤的影响和可能机制。方法体外培养肾小管上皮细胞HK-2, 分别转染BDNF-AS小干扰RNA、miR-145-5p模拟物或共转染BDNF-AS小干扰RNA和miR-145-5p抑制剂, 之后采用30 mmol/L葡萄糖干预转染后的细胞24 h, 用RT-qPCR法检测细胞中BDNF-AS和miR-145-5p的表达, 用CCK-8法检测细胞增殖, 流式细胞术检测细胞凋亡, Western印迹法检测细胞中Bcl-2和Bax蛋白的表达, 酶联免疫吸附法检测细胞培养上清中IL-1β和IL-6的水平。用双荧光素酶报告基因实验验证BDNF-AS和miR-145-5p的调控关系。结果高糖处理促进了HK-2细胞中BDNF-AS的表达(P<0.05), 而抑制了miR-145-5p的表达(P<0.05)。干扰BDNF-AS或过表达miR-145-5p降低了高糖诱导的HK-2细胞抑制率、凋亡率及Bax蛋白、IL-1β和IL-6的表达(P<0.05), 促进了Bcl-2蛋白的表达(P<0.05)。干扰miR-145-5p逆转了干扰BDNF-AS对高糖诱导的HK-2细胞增殖、凋亡及IL-1β和IL-6表达的影响。BDNF-AS可靶向结合并负调控miR-145-5p。结论干扰BDNF-AS可能通过靶向负调控miR-145-5p促进高糖诱导的肾小管上皮细胞增殖, 并抑制细胞凋亡及炎症因子表达。     

LncRNA OGFRP1 promotes angiogenesis and epithelial-mesenchymal transition in colorectal cancer cells through miR-423-5p/CTCF axis

ObjectiveTo investigate the mechanism of lncRNA OGFRP1 affecting angiogenesis and epithelial-mesenchymal transition (EMT) in colorectal cancer (CRC) and provide a new target for the treatment of CRC.MethodsThe expressions of OGFRP1, miR-423-5p, and CTCF were measured in CRC cell lines (HT29, LoVo, HCT116, SW620, and SW480) and normal colonic epithelial cells NCM460. Gain and loss of function experiments were performed on HCT116 and SW620 cells, after which the proliferation, apoptosis, EMT, invasion, and migration of the cells were measured using CCK-8 and colony formation assays, flow cytometry, Western blotting, Transwell, and scratch assay. The transfected cells were incubated with human umbilical vein endothelial cells (HUVECs) to assess angiogenesis using tube formation assay. ELISA was performed to detect VEGF in the conditioned medium of HCT116 and SW620 cells. The interactions among OGFRP1, CTCF and miR-423-5p were validated by dual-luciferase reporter assay.ResultsCRC cell lines had increased expression levels of OGFRP1 and CTCF and a suppressed expression level of miR-423-5p when compared with NCM460 cells. Suppression on OGFRP1 or CTCF and overexpression of miR-423-5p led to inhibited proliferation, EMT, invasion and migration and increased apoptosis of HCT116 and SW620 cells. HUVECs incubated with cells transfected with si-OGFRP1, si-CTCF or miR-423-5p mimic had suppressed angiogenesis ability. The effect of OGFRP1 suppression in CRC cells could be counteracted by miR-423-5p inhibition. Both CTCF and OGFRP1 could bind to miR-423-5p.ConclusionOGFRP1 promotes proliferation, EMT, and angiogenesis in CRC through miR-423-5p/CTCF axis.     

LINC00659靶向miR-149-5p调控食管鳞癌细胞Eca-109的增殖、迁移、侵袭及放射敏感性

目的 探讨长基因间非编码RNA 00659(LINC00659)是否靶向miR-149-5p调控食管鳞癌Eca-109细胞的增殖、 迁移侵袭及放射敏感性.方法 实时定量PCR(RT-qPCR)分析30对食管鳞癌组织、 对照组织中LINC00659和miR-149-5p表达量.将Eca-109细胞分为si-NC组、si-...     

miR-454-3p靶向BPTF表达调控肺癌细胞A549增殖、迁移和侵袭

目的探讨miR-454-3p对肺癌细胞增殖、迁移和侵袭的影响及分子机制。方法采用RT-PCR技术检测miR-454-3p在肺癌组织以及肺癌细胞株中的表达,以表达量最低的肺癌细胞A549为后续分析对象,将miR-454-3p mimic转入A549细胞,RT-PCR验证miR-454-3p的过表达效率;采用CCK-8、迁移、侵袭等实验,观察转染组与对照组肺癌细胞的增殖、迁移和侵袭情况;生物信息学预测BPTF是miR-454-3p的靶标,构建BPTF 3′UTR荧光素酶载体,通过双荧光素酶报告基因验证miR-454-3p和BPTF的靶向关系;应用Western blot法检测BPTF的表达及迁移、侵袭相关蛋白的变化。结果RT-PCR实验表明miR-454-3p在肺癌组织和细胞中表达下调,且在A549细胞中表达最低(P<0.05)。与对照组相比,过表达miR-454-3p的肺癌细胞A549增殖能力明显降低,迁移和侵袭能力均受到抑制(P<0.05)。生物信息学软件分析BPTF为miR-454-3p的潜在靶基因,过表达miR-454-3p后BPTF的表达水平明显受到抑制。同时,迁移相关蛋白MMP-2和MMP-9表达明显下调,E-cadhern表达明显上调,而E-cadherin的负性调控N-cadherin表达下降。结论miR-454-3p可能通过靶向下调BPTF的表达,抑制肺癌细胞的增殖、迁移和侵袭能力,为肺癌的靶向治疗提供潜在靶标。     

低温下ZF4细胞miR-183-5p的作用研究

目的 探讨miR-183-5p在斑马鱼(Danio rerio)胚胎成纤维(ZF4)细胞低温适应中的表达情况与作用机制.方法 RT-qPCR检测ZF4细胞中miR-183-5p的表达,使用靶基因预测数据库Targetscan Fish预测miR-183-5p的靶基因,Turbofect转染试剂对miR-183-5p模拟...