Results 121 to 130 of about 24,268 (167)

[Myelodysplastic neoplasms with acute myeloid leukemia-like mutations: clinical features, molecular profiles, and prognosis]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Bao ZF   +13 more
europepmc   +1 more source

[Research Progress in Imaging Investigation of TERT Promoter Mutations in Gliomas]. [PDF]

open access: yesSichuan Da Xue Xue Bao Yi Xue Ban
Zhong Y   +5 more
europepmc   +1 more source

衰老脑海马CA1区突触结构的可塑性变化

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 1992
用E-PTA负染色和锇酸(O3 O4)处理普通透射电镜方法结合形态计量和体视学分析年青(3个月)和老年(27个月)SD大鼠海马CA1区分子层突触结构,结果显示衰老时海马CA1区突触形态结构发生了一系列退行性和代偿性变化:单位体积的突触数量(Nv),突触连接带总面积(Sv)明显减少,突触前终末内突触囊泡、线粒体数亦明显减少。突触后膜致密物厚度变薄,而突触接触带的平均长度则代偿性增大。突触间隙宽度,突触前终末剖面积,突触后终末棘器数无明显改变 ...
doaj  

[Advances in Immunotherapy of KRAS-mutated Non-small Cell Lung Cancer]. [PDF]

open access: yesZhongguo Fei Ai Za Zhi
Yang X, Tang Z, Ma L, Chen R.
europepmc   +1 more source

小鼠肝脏特异性表达载体ALB-ATP7B的构建

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 2004
[目的 l 构建人肝豆状核变性病ATP7B基因野生型及常见突变型的小鼠肝脏特异性表达载体 ALB-ATP7B, 为制备转基因小鼠及相关基因治疗作准备。【方法】定点突变法获取人群中常见的Arg778Leu及 Hisl069Gln两种ATP7B基因突变体,定向克隆将小鼠白蛋白启动子ALB序列及野生和突变的ATP7B基因亚克 隆至真核表达载体kbpala上, 得到可在小鼠肝脏特异性表达的人ATP7B基因正常及突变型真核表达载体 ALB-ATP7B。【结果】经测序及酶切鉴定证实, 真核表达载体ALB ...
doaj  

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