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Parkinson’s disease (PD) is a heterogenous disease caused by multifactorial etiology. PD is characterized by the loss of dopaminergic (DA) neurons in the substantia nigra and the accumulation of Lewy bodies. In this study, two Drosophila PD models by exposing Drosophila to rotenone (sporadic PD models) are proposed, and the human α-synuclein A30P protein (family PD models) in Drosophila is expressed respectively. Both models recapitulated the main human PD symptoms including the loss of dopaminergic neurons... 相似文献
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本文通过《分子生物学进展》课程长达十余年的教学改革探索,围绕本科生和年轻教师创新能力、综合素质培养进行了总结,也为新形势下高校教师队伍的成长与建设做了有益探索。 相似文献
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Insulin is one of the most extensively studied protein hormones, and its structure and function have been elucidated in many vertebrate species, ranging from human to fish. Insulin-like peptides (ILPs) also have been found and characterized in different invertebrates, including nematodes, mollusks and insects. However, insect ILPs turned out to be a structurally diverse group encoded by large multi-gene families that are expressed in the brain and other tissues and serve functions different from vertebrate insulin. Recent physiological and genetic studies have revealed that, in different insect species, the conserved insulin signaling pathway plays a key role in the regulation of a variety of fundamental processes, such as metabolism, growth, reproduction and aging. Here, the structures, distributions, conserved signaling pathways, and physiological functions of insect ILPs are reviewed in detail. 相似文献
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1IntroductionNeural stem cells have great potential for use intreating neural damage and neurodegenerative disor-ders such as Parkinson’s Disease and Alzhei mer’s Di-sease.They are undifferentiated elements found inboth the embryonic and adult brain[1].Growth factor-responsive cells fromthe embryonic and adult controlnervous system(CNS)were isolated and culturedinvitrointhe early1990’s[2-4].Thelocation of CNS stemcells in the adult brain were therefore identified[5]mainlyinthe striatum,… 相似文献
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绞股蓝皂甙和大豆皂甙对神经干细胞分化的影响 总被引：1，自引：0，他引：1
Neural stem cell has a potential to differentiate into neurons, astrocytes and oligodendrocytes. It provides an in vitro model to screen herbal medicines on the cellular differentiation and development level. In this work, active component from gypenosides and soyasaponins was prepared to investigate their effects on the differentiation of neural stem cells.. Both gypenosides and soyasaponins promote the differentiation of neural stem cells. This method provides speed and practicality for screening effective herbal medicine. It is well suited for studying the mechanism of cell differentiation and development. 相似文献
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1IntroductionNeural stemcells(NSCs)are a subtype of progenitorcells in the nervous systemthat can differentiate intoneurons and glia[1-3].Due to their feature of self-re-newal,NSCs have expectations for treatment of ner-vous system diseases such as Parkin… 相似文献
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