Results 21 to 30 of about 3,744,817 (169)
骨髓间充质干细胞对大鼠生精上皮不同照射剂量放射性损伤的修复作用
Zhongguo shiyan zhenduanxue, 2007 目的研究大鼠骨髓间充质干细胞的分离培养方法,建立大鼠生精上皮放射性损伤动物模型,观察骨髓间充质干细胞对大鼠生精上皮放射性损伤的修复作用。方法体外培养大鼠骨髓间充质干细胞,建立大鼠放射性损伤动物模型。高剂量（2Gy）放射线照射组Wister大鼠20只,低剂量（0.5Gy）放射线照射组Wister大鼠20只,各组中随机取10只移植骨髓间充质干细胞作为实验组,剩余未移植大鼠10只作为对照组。取10只为经放射线照射大鼠作为正常对照组。照射2周和4周后取大鼠睾丸,切片染色镜下观察 ...
孙晓艳, 陈强, 范东艳, 范洪学
doaj
Integrative Conservation, Volume 4, Issue 4, Page 641-651, December 2025.Key Largo woodrats are a small and endangered island species, whose individuals tend to occur in family groups. Isolation from mainland populations, predation, and habitat fragmentation have caused genetic drift, leading to low overall diversity. Here, we found that a major category 4 hurricane promoted genetic diversity in the Key Largo woodrat ...
Taylor Ackley +5 more
wiley +1 more source
野生动物学报, 2017 大袋鼠在中国动物园内广泛饲养,动物园普遍沿用传统的饲养经验进行饲养,没有统一的饲养标准和规范,饲喂食物品种和数量有较大差异。不同的饲喂方式导致大袋鼠的饲养效果出现明显差异。口腔疾病和肠道梗阻问题是大袋鼠饲养中较常出现的疾病,为大袋鼠的饲养带来了困难。本文根据国内外大袋鼠的饲养资料文献,结合南京市红山森林动物园饲养实践,从大袋鼠的饮食习性、基础日粮、饲喂方法、大袋鼠对水的需求等4个方面对圈养条件下大袋鼠的饲料情况进行了分析和探讨。
赵玲玲
doaj
Integrative Conservation, Volume 4, Issue 4, Page 665-674, December 2025.Using a diagnostic mitochondrial marker gene, we document the presence of furry‐eared dwarf lemurs, a species known from Madagascar's eastern montane rainforests, in several forest fragments across the island's central highlands. These findings raise new questions about when this species colonized these sites, how they tolerate these changing and ...
Marina B. Blanco +27 more
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2010 目的观察单宁酸（tannic acid,TA）对链脲佐菌素（STZ）诱发糖尿病（DM）大鼠血清及肾脏C反应蛋白（CRP）表达的影响。方法 70只雄性Wistar大鼠随机分为正常对照组、模型组、氨基胍（AG）组和TA低高剂量组,给药10周后处死大鼠。ELISA法检测各组大鼠血清CRP水平,免疫组织化学染色观察CRP在肾组织中的表达。结果 DM大鼠血清及肾组织CRP表达增加,单宁酸可降低DM大鼠血清CRP水平,下调肾组织CRP蛋白的表达。结论单宁酸可改善糖尿病大鼠微炎症状态 ...
王兴国 +3 more
doaj
Biotechnology and Applied Biochemistry, Volume 72, Issue 5, Page 1385-1394, October 2025.ABSTRACT Senkyunolide I (Sen I) has a protective effect on the blood–brain barrier (BBB) in rats with sepsis‐associated encephalopathy (SAE). This study investigated whether Sen I regulates Nrf2 to ameliorate sepsis‐induced brain dysfunction (SIBD). Sixty rats were randomly assigned into Sham group, SAE group (Model group), SAE + Sen I group (72 mg/kg,
Haohao Cao, Tao Liu, Meixia Xu
wiley +1 more source
Tocilizumab对肺动脉高压大鼠IL-6及survivin的影响
Zhongguo shiyan zhenduanxue, 2013 目的观察tocilizumab对肺动脉高压大鼠白细胞介素-6（IL-6）和survivin的表达水平的影响。方法通过腹腔注射野百合碱诱导建立肺动脉高压大鼠模型,观察tocilizumab对肺动脉高压大鼠IL-6和survivin的表达水平的影响。结果 Tocilizumab干预组大鼠和空白对照组大鼠mPAP、IL-6和survivin含量明显低于实验对照组 ...
姚健 +4 more
doaj
Wildlife Letters, Volume 3, Issue 3, Page 99-108, September 2025.Climate change is leading to sympatric populations of northern (Glaucomys sabrinus) and southern (Glaucomys volans) flying squirrels; however, we do not know how vital rates like survival are changing following this novel secondary contact. Using mark‐recapture data from sympatric populations, we found nearly identical annual survival rates (0.20 and 0.
Spencer Kielar +4 more
wiley +1 more source
Environmental DNA, Volume 7, Issue 4, July–August 2025.This study evaluates the effectiveness of three environmental DNA sampling approaches–water eDNA, air eDNA, and leech‐derived iDNA–for surveying vertebrate diversity in the Gaoligong Mountains of southwest China. Using five metabarcoding primer sets, we detected 235 vertebrate species.
Yunyu Wang +6 more
wiley +1 more source
An assessment of potential interventions to reduce the totoaba illegal trade market
Conservation Biology, Volume 38, Issue 5, October 2024.Abstract The illegal trade in totoaba (Totoaba macdonaldi) is causing adverse social, ecological, and economic impacts. This illegal activity is accelerating the overexploitation of totoaba and pushing the critically endangered vaquita (Phocoena sinus) closer to extinction.
Rodrigo Oyanedel +3 more
wiley +1 more source