Results 31 to 40 of about 1,081,529 (167)
缺血性卒中是由环境因素和多种遗传因素共同作用所致的复杂疾病,其发生的具体机制尚未完全明了。基因变异是脑血管病发病的重要因素之一[1,2],它通过直接影响个体对环境因素的反应性,通过影响缺血性卒中的病理生理学过程 ...
肖湘雪, 白树风
doaj
This study provides an innovation to address the challenge in accessibility to samples and genetic markers in Snow leopard conservation genetic studies. We performed next‐generation sequencing (NGS) on 19 fecal samples obtained from the eastern Qinghai‐Tibet Plateau, and successfully assembled 17 complete mitogenome sequences (~16,720 bp) and ...
Chen Cheng +7 more
wiley +1 more source
目的 对4例NOTCH3基因突变的遗传性脑小血管病患者的临床及认知特点进行分析比较。 方法 回顾性收集2015年5月-2017年9月天津市环湖医院神经内科收治的4例NOTCH3基因突变的遗 传性脑小血管病患者的临床资料,分析其首发症状、临床表现、影像学检查、辅助检查、基因检测及 相关神经心理学评估等方面的特点。 结果 4例NOTCH3基因突变的患者中2例以急性缺血性卒中,1例以认知功能障碍,1例以头晕头痛就 诊,其中1例患者除了有急性卒中症状外还伴有家族性秃头和腰痛。4例患者中2例伴有脑血管病危险 因素。
陈嫄, 周玉颖, 王艳, 张惠红
doaj +1 more source
The Two Faces of Introgression in Conservation Biology 基因渗入在保育生物学中的双重面貌
Conservation biologist need to take into account the various aspects of introgression in their attempts to protect the species integrity and evolutionary potential of threatened species. To do so, they have to overcome the bias created by the Mayrian species concept that considers species as having distinct gene pools.
Harald Schneider, Charles H. Cannon
wiley +1 more source
China's Eco‐Civilisation, Climate Leviathan, and Hobbesian Energy Transition
Abstract Scholars have hitherto tended to theorise China's ecological civilisation project either as a form of environmental authoritarianism or as a vision of eco‐socialism. This paper contributes to the conversation by conducting a textual analysis of Chinese scholarly discussions on eco‐civilisation.
David Chen
wiley +1 more source
Uncovering Xi Jinping's Policy Agenda: Text As Data Approach
How many agendas has Xi Jinping put forth and promoted since taking office in 2012, and what are the types of agendas? How much of political attention has each agenda received, and how has the allocation of attention changed over time? We utilize a dataset of presidential statements, speeches, and reports from 2012 to 2022 and employed automated text ...
Jaehwan Lim, Asei Ito, Hongyong Zhang
wiley +1 more source
目前,栖息地的破坏是野生动物处于濒危状态的主要因素之一。东北马鹿是国家重点保护动物,近年来,人类活动的干扰使其生境明显减少并呈斑块状分布,这将使东北马鹿的种群遗传结构发生变化。然而,在野生动物遗传结构研究中,传统的取样方法直接或间接地对动物造成了伤害。因此,本文以粪便为研究材料,对来自完达山地区的9个东北马鹿样品进行mtDNA序列分析,共发现29个变异位点,定义了7个单倍型,其单倍型多样性(h)平均值为0.917、核苷酸多样性(π)平均值为2.803,种群总体遗传多样性较高 ...
刘艳华, 张明海
doaj
Freshwater biodiversity in China is threatened by multiple anthropogenic factors, and while there are some reasons to suppose it may be possible to bend the curve of biodiversity loss, the variety of threats and their likely interactions with ongoing climate change provide little basis for optimism. For example, the historic overexploitation of Yangtze
David Dudgeon
wiley +1 more source
新疆贝母(Fritillaria walujewii)的遗传多样性与遗传结构[J]
新疆贝母具较高的药学利用价值,但现存量稀少,被列为新疆Ⅲ级保护植物。为了探明其天然居群的遗传多样性,本研究选取3个叶绿体基因片段对18个居群的235个个体进行测序。结果表明:新疆贝母总的遗传多样性较高;居群间发生了明显的遗传分化;遗传距离与地理距离呈显著的相关性;昭苏县及新源县的居群具有较高的遗传多样性。居群间的地理障碍及自身的有限传播距离可能导致了居群间的遗传分化。较高的遗传灭绝风险提示应该及时对新疆贝母的天然居群进行保护,尤其在遗传多样性较高的昭苏 ...
潘伯荣 +5 more
core
Abstract Background Over the past decade, the ascent of personalized medicine (PM) has catalyzed pivotal transformations in healthcare systems on a global scale. Recognizing its crucial importance, the European Commission has prioritized PM within its research directives, allocating funding for international collaborative projects, such as the ...
Marzia Di Marcantonio +6 more
wiley +1 more source

