piR-RCC通过促进YBX-1细胞质局部化来抑制细胞癌的进展
Ruyue Wang1, Fan Li1, Yudong Lin1
1Department of Urology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, 310016, China.
概括
一种新的PIWI相互作用RNA (piRNA),piR-RCC,通过向YBX-1/EHF通路来抑制细胞癌 (RCC) 的进展. 仿生纳米颗粒提供piR-RCC,为RCC提供潜在的新疗法.
科学领域:
- 分子生物学分子生物学
- 在瘤学瘤学.
- 生物技术是生物技术.
背景情况:
- PIWI相互作用RNAs (piRNAs) 是小的非编码RNAs,涉及各种病理,包括癌症.
- 皮RNAs在细胞癌 (RCC) 进展中的特定作用仍然在很大程度上未被描述.
研究的目的:
- 研究piRNAs在RCC进展中的功能和机制.
- 识别一种可以阻碍RCC发展的新型piRNA.
- 为潜在的治疗应用开发一个有针对性的输送系统.
主要方法:
- 在RCC中识别和表征下调piRNA (piR-RCC).
- 在体外和体内研究以评估piR-RCC对RCC进展的影响.
- 研究涉及Y盒结合蛋白1 (YBX-1) 和ETS同源因子 (EHF) 的分子机制.
- 构建和评估一个仿生纳米粒子平台,以提供有针对性的piR-RCC.
主要成果:
- 发现piR-RCC在RCC中受到下调,并抑制RCC的进展.
- piR-RCC与YBX-1直接相互作用,防止其酸化和核转移.
- 这种相互作用导致增强的EHF表达,抑制RCC的扩散和转移.
- 仿生纳米颗粒成功地将piR-RCC传递给小鼠的脏瘤,抑制RCC的进展.
结论:
- piR-RCC/YBX-1/EHF信号轴在抑制RCC进展方面发挥着至关重要的作用.
- piR-RCC代表了细胞癌的潜在治疗标.
- 生物模拟纳米粒子输送piR-RCC为RCC治疗提供了一个有前途的策略.
相关概念视频
The Retinoblastoma Gene
4.2K
Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
4.2K
Abnormal Proliferation
4.6K
Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
4.6K
Negative Regulator Molecules
36.2K
Positive regulators allow a cell to advance through cell cycle checkpoints. Negative regulators have an equally important role as they terminate a cell’s progression through the cell cycle—or pause it—until the cell meets specific criteria.
36.2K
Experimental RNAi
6.3K
RNA interference (RNAi) is a cellular mechanism that inhibits gene expression by suppressing its transcription or activating the RNA degradation process. The mechanism was discovered by Andrew Fire and Craig Mello in 1998 in plants. Today, it is observed in almost all eukaryotes, including protozoa, flies, nematodes, insects, parasites, and mammals. This precise cellular mechanism of gene silencing has been developed into a technique that provides an efficient way to identify and determine the...
6.3K
The Ras Gene
6.5K
The Ras-gene-encoded proteins are regulators of signaling pathways controlling cell proliferation, differentiation, or cell survival. The Ras-gene family in humans constitutes three primary members—the HRas, NRas, and KRas. These genes code for four functionally distinct yet closely related proteins—the HRas, NRas, KRas4A, and KRas4B. The involvement of mutant Ras genes in human cancer was first discovered in 1982 and is among the most common causes of human tumorigenesis.
Ras is a...
Ras is a...
6.5K
mTOR Signaling and Cancer Progression
3.9K
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...
3.9K


