Results 21 to 30 of about 9,065 (123)
Zhongguo shiyan zhenduanxue, 2013 目的肝纤维化动物模型大鼠应用雷帕霉素后,检测大鼠肝组织切片中转移生长因子（TGF-β1）表达,探讨雷帕霉素与肝纤维化病理演变的相关性。方法作者将实验大鼠随机分为3组:①正常对照组大鼠（A组）;②肝纤维模型组大鼠（B组）;③肝纤维模型灌注雷帕霉素组（C组）。C组大鼠按2mg/kg体重胃内灌注雷帕霉素,每天1次,持续2周。3组大鼠同期处死,取肝组织进行形态学及组织学研究分析。结果 3组大鼠肝组织切片经HE及免疫组织化等染色后,图片经Image-pro plus 6.0图像分析软件整理。A、B、C ...
钟志宏, 戴东, 陈土明, 吴祖超
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Rare Metals, Volume 45, Issue 2, February 2026.ABSTRACT This study introduces novel nonequiatomic TiZrCoCrMoCux (x = 0, 5, 10; at%) medium‐entropy alloys (MEAx) tailored for orthopedic implants, synergistically combining the biocompatibility of Ti‐based alloys, the wear resistance of CoCrMo alloys, and the antibacterial/osteogenic attributes of Cu. The alloy's microstructure, mechanical properties,
Hang Yu +9 more
wiley +1 more source
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
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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
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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
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
Zhongshan Daxue xuebao. Yixue kexue ban, 2002 【目的】研究实验性糖尿病大鼠肾组织2 型金属蛋白组织抑制物(TIMP2)mRNA 表达的变化及氯沙坦对它的 影响。【方法】纯种雄性Wistar 大鼠分为3 组, 正常对照组(11 只), 糖尿病大鼠无干预组(11 只), 糖尿病大鼠氯沙坦(血管紧 张素Ⅱ1 型受体阻断剂)干预组(9 只)。链脲佐菌素制备糖尿病大鼠模型。饲养18 周后取出肾以RT-PCR 检测TIMP2 mRNA 表达, 电镜检测大鼠肾小球基底膜厚度及系膜基质密度(系膜基质面积/ 系膜面积);收集24 h 尿测定尿白蛋白排泄 ...
宛 霞, 黄湖辉, 李劲高
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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
野生动物学报, 1983 袋鼠产生澳洲。澳大利亚也以此为骄傲,您看,在他们的国徽上不是有一只站立的袋鼠吗?!这就足以说明澳洲人对袋鼠的推崇。美国也有袋鼠,但不像澳洲袋鼠那样大。袋鼠是胎生动物,但胎儿在子宫里的时间并不长。一般一胎怀一仔,怀孕期很短;就拿澳大利亚最大的大袋鼠来说,怀孕有5—6个星期,就分娩了;袋鼠的胚胎,在母兽的子宫内,还可以暂时停止发育,这当然是受到各方面条件的影响所致 ...
张万佛
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