相关实验视频

Updated: Jul 20, 2025

miRNA Expression Analyses in Prostate Cancer Clinical Tissues

miRNA Expression Analyses in Prostate Cancer Clinical Tissues

Published on: September 8, 2015

丸癌对精子小非编码RNA签名的影响:试点研究

Charlotte Dupont^1,2, Maria G Stathopoulou³, Pierre-Julien Illy³

¹Sorbonne Université, INSERM, Centre de Recherche St-Antoine, CRSA, Paris, France.

|July 29, 2023

概括

丸生殖细胞瘤 (TGCTs) 可以使用精子小非编码RNA (sncRNAs) 进行诊断. 虽然初步分析显示没有差异,但考虑到精子生理学,发现了11个sncRNA,可以清楚地区分TGCT患者和对照组.

科学领域:

在瘤学瘤学.
遗传学是一个遗传学.
生殖生物学生殖生物学

背景情况:

丸生殖细胞瘤 (TGCTs) 是年轻男性最常见的癌症,发病率越来越高.
遗传和环境因素都与TGCT易感性有关.
环境因素,特别是非编码RNA等分子载体在TGCT中的作用尚不清楚.

研究的目的:

调查TGCT是否影响精子中特定的小非编码RNAs (sncRNAs) 的丰度.
探索精子sncRNAs作为TGCT诊断生物标记物的潜力.

主要方法:

小RNA深度测序对25名男性的精子 (16名TGCT,9名对照) 进行了测序.
分析最初比较了TGCT和对照组之间的sncRNA种群.
随后的分析考虑了精子的生理参数,以确定差异表达的sncRNAs.

主要成果:

主要分析发现TGCT和对照组之间的sncRNA种群没有显著差异.
然而,在考虑到精子生理参数后,确定了11种差异表达的sncRNA.
使用这些11个sncRNA的等级分类清楚地区分了TGCT患者和对照组.

结论:

精子中小型非编码RNA的丰富性显示出诊断TGCT的潜力.
在分析TGCT患者的sncRNA时,精子生理参数是重要的考虑因素.
需要进行更大规模的研究来证实这些发现,并评估与TGCT风险的关联.

关键词:

丸的生殖细胞瘤表观遗传学是指表观遗传学.小型非编码RNAs的编码.

更多相关视频

Sequencing Small Non-coding RNA from Formalin-fixed Tissues and Serum-derived Exosomes from Castration-resistant Prostate Cancer Patients

Sequencing Small Non-coding RNA from Formalin-fixed Tissues and Serum-derived Exosomes from Castration-resistant Prostate Cancer Patients

Published on: November 19, 2019

MicroRNA Detection in Prostate Tumors by Quantitative Real-time PCR qPCR

MicroRNA Detection in Prostate Tumors by Quantitative Real-time PCR qPCR

Published on: May 16, 2012

相关概念视频

lncRNA - Long Non-coding RNAs

lncRNA - Long Non-coding RNAs

In humans, more than 80% of the genome gets transcribed. However, only around 2% of the genome codes for proteins. The remaining part produces non-coding RNAs which includes ribosomal RNAs, transfer RNAs, telomerase RNAs, and regulatory RNAs, among other types. A large number of regulatory non-coding RNAs have been classified into two groups depending upon their length – small non-coding RNAs, such as microRNA, which are less than 200 nucleotides in length, and long non-coding RNA...

MicroRNAs

MicroRNAs

MicroRNA (miRNA) are short, regulatory RNA transcribed from introns (non-coding regions of a gene) or intergenic regions (stretches of DNA present between genes). Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself, forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA...

Infertility in Males

Infertility in Males

Male infertility affects millions of couples worldwide, arising from various factors that impact different stages of the reproductive process. An endocrine imbalance resulting from conditions like hypogonadism, Klinefelter syndrome, or pituitary disorders can disrupt hormone levels and reduce sperm production. Testicular defects, such as tumors, cryptorchidism, atrophic testes, abnormal sperm morphology, and low sperm count or motility, may arise due to genetic factors, structural...