性,组织和线粒体相互作用改变了Drosophila中对拉帕素的转录反应
Yevgeniy Raynes1,2, John C Santiago3, Faye A Lemieux4
1Department of Ecology, Evolution, and Organismal Biology, Brown University, Providence, RI, 02912, USA. yevgeniy_raynes@brown.edu.
BMC genomics
|August 6, 2024
概括
性和组织显著影响拉巴胺素反应,影响mTOR抑制结果. 线粒体可能具有微妙的,时间依赖的效果,对于预测副作用至关重要.
科学领域:
- 遗传学和分子生物学
- 药理学 药理学是指药理学的学科.
- 衰老研究研究 衰老研究
背景情况:
- 无法控制的mTOR信号与癌症和衰老等疾病有关.
- mTOR抑制剂显示出治疗前景,但由于副作用而面临临临床限制.
- 了解性别,组织和遗传学等因素是提高mTOR抑制剂疗效的关键.
研究的目的:
- 为了研究性别,组织和线粒体背景如何影响对拉帕米辛的转录反应.
- 为了确定受这些因素影响的途径,以预测mTOR抑制剂的副作用.
主要方法:
- 在D. melanogaster中使用RNA测序来分析基因表达.
- 实验涉及不同身体部位 (头部,胸部,腹部) 的拉巴胺暴露.
- 将与本地D. melanogaster或D. simulans线粒体基因组进行了比较.
主要成果:
- 拉帕米辛治疗引起了显著的性别和组织依赖的基因表达变化.
- 线粒体背景对对拉帕米辛的转录反应产生了有限的影响.
- 发现线粒体对拉巴胺素反应有时间影响.
结论:
- 性别和身体部位强烈调节了拉帕米辛的转录效应.
- 线粒体对mTOR抑制具有微妙的,可能依赖时间的影响.
- 根据患者个体特征,研究结果有助于预测mTOR抑制剂副作用.
相关概念视频
mTOR Signaling and Cancer Progression
3.8K
The mammalian target of rapamycin or mTOR protein was discovered in 1994 due to its direct interaction with rapamycin. The protein gets its name from a yeast homolog called TOR. The mTOR protein complex in mammalian cells plays a major role in balancing anabolic processes such as the synthesis of proteins, lipids, and nucleotides and catabolic processes, such as autophagy in response to environmental cues, such as availability of nutrients and growth factors.
The mTOR pathway or the...
The mTOR pathway or the...
3.8K
PI3K/mTOR/AKT Signaling Pathway
3.5K
The mammalian target of rapamycin (mTOR) is a serine/threonine kinase that regulates growth, proliferation, and cell survival in response to hormones, growth factors, or nutrient availability. This kinase exists in two structurally and functionally distinct forms: mTOR complex 1 (mTORC1) and mTOR complex 2 (mTORC2). The first form (mTORC1) is composed of a rapamycin-sensitive Raptor and proline-rich Akt substrate, PRAS40. In contrast, mTORC2 consists of a...
3.5K
The Ratio of X Chromosome to Autosomes
8.5K
In most organisms, sex is determined by the ratio of X and Y chromosomes. However, in some organisms, such as Drosophila and C.elegans, sex is determined by the ratio of the number of X chromosomes to the number of sets of autosomes. The Y chromosome in Drosophila is active but does not determine sex. It contains genes responsible for the production of sperms in adult flies.
Normal male Drosophila has a ratio of one X chromosome to two sets of autosomes. In contrast, normal female...
Normal male Drosophila has a ratio of one X chromosome to two sets of autosomes. In contrast, normal female...
8.5K


