Results 51 to 60 of about 20,056 (169)

宫颈癌人群中NF-κB信号传导通路基因多态性的研究

open access: yesZhongguo shiyan zhenduanxue, 2013
目的探讨原发性宫颈癌人群中NF-κB信号传导通路相关基因多态性与宫颈癌发生发展的关系。方法以广西壮族自治区肿瘤医院2008年9月-2009年9月收治的宫颈癌患者与健康体检者各100名为研究对象,利用限制性片段长度多态性检测法检测研究对象该通路相关基因的基因多态性,进行对比分析。结果 NF-κB信号传导通路相关基因多态性型别在两组研究对象中出现的频率无显著性差别,P>0.05;变异等位基因出现频率与以往结果相一致。结论 NF-κB信号传导通路相关基因多态性与宫颈癌的发生发展无明确的相关关系。
宋红林, 张洁清
doaj  

The preliminary study on the relationship of PAHs contamination and metabolic enzyme gene polymorphisms and adverse pregnancy outcomes [PDF]

open access: yes, 2011
目的通过流行病学调查,掌握厦门地区妊娠妇女妊娠结局分布情况,并探讨多环芳烃污染等环境对妊娠结局的影响,结合多环芳烃代谢酶基因多态性分析,评价多环芳烃暴露对胎儿健康的危害。 方法利用问卷形式收集804例孕妇流行病学资料,以了解环境因素对妊娠妇女妊娠结局的影响。同时采用气相串联质谱(GC-MS)技术测定73例孕妇外周静脉血、新生儿脐带血中多环芳烃含量,同时应用聚合酶链反应一限制性片段长度多态性(PCR-RFLP)技术分析多环芳烃代谢酶基因多态性,以分析多环芳烃暴露对胎儿健康的危害。 结果 1 ...
杨帆
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Correlation of Genetic Polymorphism, Alcoholic Beverage Type and Ethanol Metabolism [PDF]

open access: yes, 2018
Objective To explore the effects of ADH1B and ALDH2 gene polymorphism and type of alcoholic beverage on ethanol metabolism, to provide data support for cases involving the interpretation of ethanol metabolism or back calculation of blood ethanol ...
YE Yi, CHEN Fan, LU Xiang, et al
core   +1 more source

Development of Coupled Electrochemical Systems for Metal Resource Recovery From Aqueous Metal‐Organic Complexes

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT The past decade has witnessed a burgeoning demand of metals for global industrial development and infrastructure. Meanwhile, the depletion of mineral resources and the environmental damage caused by wastewater discharges pose significant threats to both economic and ecological sustainability. Fortunately, metal‐containing wastewaters also hold
Fei Zhang   +6 more
wiley   +1 more source

谷胱甘肽巯基转移酶基因多态性在原发性肝细胞癌人群中的研究

open access: yesZhongguo shiyan zhenduanxue, 2012
目的探讨原发性肝细胞癌人群中谷胱甘肽巯基转移酶基因多态性与肝癌发生、发展的关系。方法我院2008年10月-2010年4月收治的原发性肝癌患者与健康体检者各150名,提取血样,利用多重PCR和限制性片段长度多态性检测法分别检测肝癌人群与体检健康者的谷胱甘肽巯基转移酶基因多态性,并进行对比分析。结果该肝癌人群中:谷胱甘肽巯基转移酶基因多态性型别在病例和对照组研究对象中出现的频率无显著性差别,P>0.05;GSTM1-null、GSTT1-null、GST01-Ala140Asp、GSTP1 ...
唐耘天   +5 more
doaj  

白介素8-251 位点基因多态性与我国高低发区胃癌关系 [PDF]

open access: yes, 2005
【目的】研究白介素(interleukin, IL)-8 基因- 251A/T 位点多态性在中国高、低发区普通人群和胃癌 (gastric cancer , GC)患者中的分布, 并探讨其基因多态性与我国胃癌的关系。【方法】用聚合酶链反应- 反向杂 交法(polymerase chain reaction and reverse dot blot, PCR-RDB)检测我国胃癌低发区( 广东省) 104 例健康人和 104 例胃癌患者和胃癌高发区( 陕西省) 102 例健康人和102 ...
周韶璋   +6 more
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Research Progress on Gene Polymorphisms Related to Osteosarcoma [PDF]

open access: yes
Osteosarcoma, which primarily affects children and adolescents, is a highly malignant bone tumor with high rates of disability and mortality. Therefore, the exploration of biological markers related to its occurrence, development, and prognosis is ...
Jinyan LIU   +4 more
core   +1 more source

Excellent Comprehensive Electromechanical Properties in PZT‐Based Hard High‐Temperature Piezoceramics

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT High‐power piezoelectric ceramics which have a wide operating temperature range are essential for sensor and actuator applications in extreme conditions. However, their development is fundamentally hindered by the inherent trade‐off among key parameters (TC, d33, Qm).
Rui Yan   +10 more
wiley   +1 more source

TLR-9 rs187084基因多态性与山东汉族人群系统性红斑狼疮的相关性研究

open access: yesZhongguo shiyan zhenduanxue, 2009
目的研究山东地区汉族人群TLR-9基因rs187084单核苷酸多态性,探讨其与系统性红斑狼疮易感性之间的关系。方法采用聚合酶链反应和限制性片段长度多态性等方法对92例系统性红斑狼疮患者和88名健康对照TLR-9基因rs187084C/T多态性进行分析,计算基因型和等位基因频率。结果(1)SLE患者TLR-9基因rs187084CC、CT、TT基因型频率分别是0.185、0.413和0.402,与对照组相比没有统计学差异(χ2=2.99,P>0.05);(2)SLE患者TLR-9基因rs187084C ...
宋卫青   +4 more
doaj  

降钙素受体基因多态性与老年男性骨密度关系 [PDF]

open access: yes, 2006
[目的]探讨降钙素受体基因(CTR)C1377T基因多态性与老年男性人群骨密度相互关系.[方法]选取年龄≥65岁广州地区汉族男性个体247例,采用双能X线吸收法(DEXA)测定其全身、腰椎2~4(L2~4)、股骨颈(Neck)、粗隆间(Inter)、Ward'三角和大转子(Troch)区等部位的骨密度(BMD)值,并采用聚合酶链反应限制性片段长度多态性(PCR-RFLP)技术检测外周血白细胞基因组降钙素受体基因多态性.[结果]247例受试对象中,CTR基因型分别为CC型205例(83.0 ...
吴文   +7 more
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