Results 11 to 20 of about 3,185 (150)

The effect of electroacupuncture at ST25 on Parkinson's disease constipation through regulation of autophagy in the enteric nervous system

open access: yesThe Anatomical Record, Volume 306, Issue 12, Page 3214-3228, December 2023., 2023
Abstract The effectiveness and safety of electroacupuncture (EA) for constipation have been confirmed by numerous clinical studies and experiments, and there are also studies on the efficacy of EA for Parkinson's disease (PD) motor symptoms. However, there are few researches on EA for PD constipation.
Li‐Zhe‐Xiong Song   +8 more
wiley   +1 more source

Toll‐like receptor‐ligand induced thymic stromal lymphopoietin expression in primary equine keratinocytes

open access: yesVeterinary Dermatology, Volume 31, Issue 2, Page 154-e30, April 2020., 2020
Background Thymic stromal lymphopoietin (TSLP) plays a key role in the development of allergic inflammation. Little is known about possible triggers of equine TSLP expression. Hypothesis To investigate TSLP expression in equine insect bite hypersensitivity (IBH) skin lesions.
Iva Cvitas   +4 more
wiley   +1 more source

Incremental yield of whole‐genome sequencing over chromosomal microarray analysis and exome sequencing for congenital anomalies in prenatal period and infancy: systematic review and meta‐analysis

open access: yesUltrasound in Obstetrics &Gynecology, Volume 63, Issue 1, Page 15-23, January 2024.
ABSTRACT Objectives First, to determine the incremental yield of whole‐genome sequencing (WGS) over quantitative fluorescence polymerase chain reaction (QF‐PCR)/chromosomal microarray analysis (CMA) with and without exome sequencing (ES) in fetuses, neonates and infants with a congenital anomaly that was or could have been detected on prenatal ...
N. Shreeve   +6 more
wiley   +1 more source

中华绒螯蟹铁蛋白基因的克隆及表达分析 [PDF]

open access: yes, 2010
铁蛋白普遍存在于生物体内,具有铁离子解毒和储存等功能。在构建脂多糖刺激的中华绒螯蟹cDNA文库的基础上,获得了中华绒螯蟹铁蛋白基因EsFer的cDNA序列,其全长为1118bp,包含480bp的开放阅读框,推测编码的蛋白质为159氨基酸,其5′和3′端的非编码区分别为178bp和461bp,预测的分子量为18.3ku,理论等电点为5.81,在15~37aa处有一个跨膜螺旋。在5′非编码区核甘酸序列的135~162的位置有个特殊的结构,即铁反应元件(iron response element,IRE ...
付建平   +5 more
core  

流式细胞术与定量PCR法检测HLA-B27的比对

open access: yesZhongguo shiyan zhenduanxue, 2009
目的评价实时荧光定量PCR法和流式细胞术两种方法检测人类白细胞抗原HLA-B27对强直性脊柱炎的临床诊断价值。方法将疑似强直性脊柱炎患者199例全血分别采用实时荧光定量PCR和流式细胞仪法检测HLA-B27,以流式细胞术HLA-B27阳性作为判断标准,确定实时荧光定量PCR法检测HLA-B27的敏感度、特异度、阳性预测值及阴性预测值。将流式细胞术HLA-B27阳性的样本44例,按照实时荧光定量PCR检测结果将其分为疑似组、阴性组及阳性组,确定有无表达抗原表达强度的差异。结果91.5%样本分型结果相同 ...
胡晓舟, 苑腾, 王小林, 张捷
doaj  

Studies on the Thermotolerant Related Genes of Agaricus Bisporus [PDF]

open access: yes, 2013
双孢蘑菇是高经济价值和生态意义的栽培食用菌。在许多因素中,温度是影响其栽培的主要因素。双孢蘑菇02菌株是一株耐热菌株,可在25℃~28℃下栽培;而8213菌株是一株普通菌株,只能在16℃~22℃下栽培。目前02菌株耐热的本质尚不清楚。本实验室通过构建的两个抑制性消减杂交文库I(02热胁迫vs.8213热胁迫)和II(02热胁迫vs.02非热胁迫)获得一批耐热相关基因的EST序列。本文对一些候选EST序列进行了以下研究:首先,通过cDNA末端快速扩增技术克隆EST序列1F6,1F146,First8 ...
邓立新
core  

基于TaqMan探针的幽门螺杆菌实时荧光定量PCR检测方法的建立

open access: yesZhongguo shiyan zhenduanxue, 2013
目的探讨基于TaqMan探针的幽门螺杆菌23SrDNA基因片段的实时荧光定量PCR检测的有效方法。方法根据幽门螺杆菌23SrDNA序列设计引物和探针,构建质粒标准品,建立实时荧光定量PCR体系并进行方法学评价,并对2012年5月至10月收集的100份临床样本进行检测同时应用免疫组化及银染方法进行比较分析。结果建立了检测23SrDNA的实时荧光定量PCR方法:107-102copies/ul范围内均有"S"型扩增曲线,最低检测浓度为102copies/ul,标准曲线相关系数为1 ...
石建玲   +6 more
doaj  

用二次PCR方法检测鸟类禽流感的初探

open access: yes野生动物学报, 2022
为进一步提高野生动物疫情监测、病原检测鉴定和应急防控的时效性,建立了对鸟类拭子样品直接进行禽流感病毒(Avian influenza virus,AIV)核酸检测鉴定的二次PCR方法。对比试验结果显示,该方法可行性较高,具有与实时荧光定量PCR(real-time quantitative PCR,qPCR)方法等同的特异性和敏感性。禽流感病毒核酸二次PCR检测方法的建立,有利于基层监测单位在缺乏病毒分离技术和qPCR等实验条件的情况下,利用现有条件,就近、及时地开展野鸟样品的禽流感病毒检测工作。
陈 光 李 勇 朱功良 张 俊 冯 伟 陈 婧彭金山 郑和松 杨国祥
doaj  

Screening and Cloning the Heavy Metal Tolerance-associated Genes in Avicennia marina (Forsk.) under Cadmium stress by Suppression Subtractive Hybridization [PDF]

open access: yes, 2015
白骨壤(Avicenniamarina)作为红树林的先锋树种,广泛分布于海岸河口的低潮带,其独特的生物学和生态学特性为探索红树植物对重金属耐受性的分子机理提供了最佳的研究对象。红树林生态系统虽然承受大量重金属污染物胁迫,但对重金属污染物却表现出很强的耐受性和抗性,其中白骨壤对重金属的耐受性较其他红树植物更为突出。本研究以红树植物白骨壤为材料,研究重金属污染物镉(Cadmium)胁迫下的白骨壤幼苗基因表达差异,寻找与重金属耐受性相关的候选基因,并为红树植物的基因组研究建立相关的基因文库 ...
张骥诚
core  

实时荧光定量RT-PCR技术检测siRNA对HBV复制的干扰效果

open access: yesZhongguo shiyan zhenduanxue, 2007
目的运用实时荧光定量RT-PCR的方法,检测小RNA分子(small interfering RNAs,siRNA)对乙型肝炎病毒(hepatitis B virus,HBV)复制的抑制作用。方法在HepG2.2.15细胞内导入筛选的三条特异抗HBV的siRNA分子,用实时荧光定量RT-PCR的方法,检测干扰后HBV的mRNA表达水平。结果导入特异siRNA分子的细胞中HBV的mRNA表达量明显降低。结论实时荧光定量RT-PCR技术能准确可靠的检测mRNA的表达水平 ...
陈小卫, 焦京, 周美娟, 丁振华
doaj  

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