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典型文献
MicroRNA expression in animal models of amyotrophic lateral sclerosis and potential therapeutic approaches
文献摘要:
A review of recent animal models of amyotrophic lateral sclerosis showed a large number of miRNAs had altered levels of expression in the brain and spinal cord, motor neurons of spinal cord and brainstem, and hypoglossal, facial, and red motor nuclei and weremostly upregulated. Among the miRNAs found to be upregulated in two of the studies were miR-21, miR-155, miR-125b, miR-146a, miR-124, miR-9, and miR-19b, while those downregulated in two of the studies included miR-146a, miR-29, miR-9, and miR-125b. A change of direction in miRNA expression occurred in some tissues when compared (e.g., miR-29b-3p in cerebellum and spinal cord of wobbler mice at 40 days), or at different disease stages (e.g., miR-200a in spinal cord of SOD1(G93A) mice at 95 days vs. 108 and 112 days). In the animal models, suppression of miR-129-5p resulted in increased lifespan, improved muscle strength, reduced neuromuscular junction degeneration, and tended to improve motor neuron survival in the SOD1(G93A) mouse model. Suppression of miR-155 was also associated with increased lifespan, while lowering of miR-29a tended to improve lifespan in males and increase muscle strength in SOD1(G93A) mice. Overexpression of members of miR-17~92 cluster improved motor neuron survival in SOD1(G93A) mice. Treatment with an artificial miRNA designed to target hSOD1 increased lifespan and improved muscle strength in SOD1(G93A) animals. Further studies with animal models of amyotrophic lateral sclerosis are warranted to validate these findings and identify specific miRNAs whose suppression or directed against hSOD1 results in increased lifespan, improved muscle strength, reduced neuromuscular junction degeneration, and improved motor neuron survival in SOD1(G93A) animals.
文献关键词:
作者姓名:
Bridget Martinez
作者机构:
Physical Chemistry and Applied Spectroscopy,Chemistry Division,Los Alamos National Laboratory,Los Alamos,NM,USA;Department of Medicine,St.Georges University School of Medicine,Grenada;Department of Anatomy,University of Otago,Dunedin,New Zealand
引用格式:
[1]Bridget Martinez-.MicroRNA expression in animal models of amyotrophic lateral sclerosis and potential therapeutic approaches)[J].中国神经再生研究(英文版),2022(04):728-740
A类:
hypoglossal,weremostly,wobbler
B类:
MicroRNA,models,amyotrophic,lateral,sclerosis,potential,therapeutic,approaches,review,recent,showed,large,number,miRNAs,had,altered,levels,spinal,cord,motor,neurons,brainstem,facial,nuclei,upregulated,Among,found,two,studies,125b,146a,19b,while,those,downregulated,included,change,direction,occurred,some,tissues,when,compared,29b,3p,cerebellum,mice,days,different,disease,stages,200a,G93A,In,suppression,5p,resulted,increased,lifespan,improved,muscle,strength,reduced,neuromuscular,junction,degeneration,tended,survival,mouse,Suppression,was,also,associated,lowering,29a,males,Overexpression,members,cluster,Treatment,artificial,designed,target,hSOD1,animals,Further,warranted,validate,these,findings,identify,specific,whose,directed,against,results
AB值:
0.406396
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