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陕西地区静脉血栓栓塞症患者MTHFR和MTRR基因多态性分析以及对临床诊疗的指导意义
目的 探讨陕西地区静脉血栓栓塞症患者MTHFR和MTRR基因多态性分布情况。方法 选取西安交通大学第一附属医院静脉血栓栓塞症治疗患者439例,检测MTHFR和MTRR的基因型,统计基因型及等位基因分布特征,并对比国内外其他地区基因型及等位基因分布差异。结果 MTHFR和MTRR基因型分布CT、TT、CC;AA、AG、GG,分别占患者总数的48.06%、30.07%、21.87%;67.43%、28.93%、3.64%。MTHFR CC及TT等位基因频率分别为45.90%和54.10%;MTRR ...
张李婷, 马文兵, 关栋, 邓祥
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目的 研究院内MDRAB相关耐药基因及分子流行病学特征,为抗菌药物合理使用及医院感染控制提供依据。方法 对2019年2月至2019年10月间院内分离的15株MDRAB用多位点序列分型(MLST)鉴定菌株之间的亲缘关系,PCR法检测β-内酰胺类耐药基因、质粒介导的喹诺酮类耐药基因、氨基糖苷类耐药基因及消毒剂qacE△1基因。结果 MLST分析发现15株MDRAB有ST195(46.7%)、ST369(20%)、ST208(13.3%)、ST368(13.3%)和ST540(6.7%)5个序列类型 ...
姜梅杰 +4 more
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Research progress on heat resistance of Rhododendron germplasm resources(杜鹃花种质资源耐热性研究进展)
China has the richest germplasm resources of Rhododendron, but most species thrive in high-altitude cool areas. Currently, only a limited number of these species are utilized in landscaping, and their summer performance is generally poor.
曹雨晴(CAO Yuqing) +6 more
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In this study, evolutionary and expression analyses of the P450 gene family in Rosa chinensis were conducted using bioinformatics analysis methods, and the mechanism by which these genes are involved in the synthesis of rose fragrance was explored.
王君妍(WANG Junyan) +4 more
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Paenonia lactiflora Pall. is a renowned traditional Chinese flower, and it is of great significance to study its cold tolerance mechanism for breeding new varieties and expanding its popularization.
王琪瑶(WANG Qiyao) +7 more
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Research progress on the underground-bud dormancy mechanisms of ornamental flowers(观赏花卉的地下芽休眠机制研究进展)
The underground-bud plants, namely, the geophytes, constitute an important category in bud classification of plants. These plants include a significant number of ornamental flowers.
郭俊宏(GUO Junhong) +9 more
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In this study, we explored the construction of a homologous gene silencing system for Lycoris insularis, which is a rich wild resource in Zhejiang Province with bulbs as explants, and through this system, the biological functions of Lycoris insularis ...
肖潇(XIAO Xiao) +5 more
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目的基于等位基因特异性PCR(allele-specific PCR,AS-PCR)原理,建立一种QPCR检测CLU基因与阿尔兹海默病(AD)相关性SNP位点基因型的筛选方法。方法根据CLU基因上的rs11136000,rs2279590和rs9331888 3个SNP位点设计特异性的野生型、突变型引物,使用实时荧光定量PCR(QPCR)对AD患者外周血样本进行SNP基因分型,以DNA基因测序法结果作为参考标准。结果 10例样本的QPCR定量分型结果显示 ...
李逸豪 +8 more
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目的研究不同类型乙型肝炎病毒(HBV)感染者中HBV基因型分布情况及其临床意义。方法应用基因型特异性引物聚合酶链反应法(PCR),对180份HBV感染者血清进行基因型分型。结果180份标本中,162份(90%)可检出基因型,18份(10%)未检出基因型。162份HBV基因型分布为:B基因型1例(0.6%),C基因型159例(98.1%),B+C混合基因型2例(1.2%),未检出A、D、E、F基因型。结论邯郸地区HBV感染者中,基因型分布较单一,C基因型占绝对优势,同时存在少量B基因型及B+C混合基因型 ...
邓健 +6 more
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癌基因的活化(如ras基因、bcr-abl基因)或/和抑癌基因的失活(如P53基因、Rb基因)与肿瘤的发生密切相关。ID4基因是1994年Riechmann等首次从小鼠中分离鉴定的,发现该基因在胚胎发育的9.5d-13.5d是上调的,且在成人的脑、睾丸和肾脏器官高表达[1]。
冯燕, 李薇, 党艳辉, 卢学春
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