Nat Commun:OXPHOS在高等级前列腺癌中的重构参与了mtDNA变异并增加琥珀酸氧化

2020-04-06 AlexYang MedSci原创

能量代谢的重组和线粒体的适应被认为影响了前列腺癌的发展和恶化。最近,有研究人员报道了良性/恶性人类前列腺组织样本中,线粒体呼吸、DNA变异和基因表达的情况。

能量代谢的重组和线粒体的适应被认为影响了前列腺癌的发展和恶化。最近,有研究人员报道了良性/恶性人类前列腺组织样本中,线粒体呼吸、DNA变异和基因表达的情况。

研究发现,恶性组织中NADH途径底物谷氨酸和苹果酸盐的呼吸能力降低,代谢明显的向更高的琥珀酸盐氧化代谢转变,尤其是在高等级肿瘤中更为明显。可能有害的线粒体DNA变异负担在肿瘤中更高,并且与不利的风险因素相关。而编码线粒体复合物1基因的高水平有害变异与NADH途径氧化能力降低70%和琥珀酸盐氧化增强补偿相关。这些变异的结构分析表明氨基酸的变异导致了对复合物1的有害影响,并证明了存在的因果关系。另外,从具有严重线粒体表型的肿瘤样本转录组数据获得的metagene特征能够促使较短生存时间肿瘤的鉴别。

原始出处:

Bernd Schopf, Hansi Weissensteiner, Georg Schafer et al. OXPHOS remodeling in high-grade prostate cancer involves mtDNA mutations and increased succinate oxidation. Nat Commun. 20 Mar 2020

 

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    2020-08-03 liuli5079
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    2020-09-19 liye789132251
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    2020-04-06 misszhang

    前列腺癌相关研究,学习了,谢谢梅斯

    0

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