慢病毒搭载shRNA后干扰小鼠杏仁核内Akap5的表达,下调小鼠脑内BLA中Akap5的含量,可有效缓解小鼠出现慢性束缚造成的焦虑/抑郁样行为。(Zhou et al., Biol Psychiatry. 2019)
2.慢病毒标记CNS细胞
不同包膜的慢病毒载体携带特异启动子标记特定细胞类群。(Parr-Brownlie, Louise C. , et al. Frontiers in Molecular Neuroscience, 2015)
3.钙成像
Lenti-ER-GCaMP6超敏内质网ER Ca2+指示剂,清楚显示了胞体延申至树突及整个轴突网络。(De Juan-Sanz J , Holt G T , Schreiter E R , et al. Neuron, 2017.)
4.慢病毒(LV)结合狂犬病毒(RV)操控活性依赖的神经元
Lenti-hSyn-Cre用EnvA蛋白包装,获得CANE-LV-Cre选择性感染Fos+神经元。(Sakurai K , Zhao S , Takatoh J , et al. Neuron, 2016)
5.慢病毒介导基因沉默研究中间神经元电偶联
诱导型慢病毒shRNA有效介导Conne-xin
36敲减。将病毒注射到新生P1小鼠的硬脑膜和皮质层的间隙(e.f),P15小鼠中观察到GFP+主要分布在L1,在深层的分布较少。(Yao X H
, Wang M , He X N , et al., Nature Communications, 2016)
6.慢病毒在光遗传学中的应用
慢病毒表达光敏感离子通道蛋白(ChR2)的神经元经蓝光刺激后细胞行为的改变。(LC Parr-Brownlie et al., Front. Mol.Neurosci,2015)
7.慢病毒的药理学应用
LV-hM3Dq研究PV中间神经元。DREADDr e c e p t o r h M 3 D q
在PV(Parvalbumin,Green)阳性中间神经元内表达。在小鼠海马注射 LVhEF1α-DIO-hM3D-GqmCherry,两周后在脑片中观察到海马hM3D-Gq(Red)
和PV (Green)的表达。( Zou et al. Curr MolMed. 2016)
二、慢病毒载体在其他领域的应用
1. 慢病毒CRISPR成像
LV-dCas9 和LV-sgRNA用于哺乳动物细胞基因组位点成像。(Baohui Chen et al., Cell, 2013)
2. 慢病毒介导的造血干细胞治疗X连锁严重免疫缺陷疾病(SCID-X1)
接受SIN-LV治疗后,SCID-X1病人T细胞和B细胞的功能改善。密码子优化的 Self-inactivating element
LV,即SIN-LV(Cl20-i4-Ef1a-hγcOPT) 转导CD34+HSC后回输给病人。上图显示病人的CD3T
细胞能够响应药物刺激增殖(A),治疗后的12-16周,病人出现 T1B cells(CD10++CD21lo)向T2/3 B cells+hi
(CD10++CD21lo)的转变,免疫细胞类群构成多样性增加。(De Ravin et al.,Sci Transl Med, 2016)
3. LV-CRISPR/Cas9清除人T细胞基因组中的HIV-1
设计针对HIV LTR的gRNA序列(Top),LV介导Cas9/gRNA投递抑制人T细胞感染HIV(Bott-om)。(Rafal Kaminski et al.,Sci Rep,2016)
4. LV-CRISPRa/i介导转录激活和抑制
LV-CRISPRi/a研究基因剂量控制基因功能。(Luke A. Gilbert etal., Cell, 2014)
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