相关实验视频
Updated: Jun 12, 2025

11:13
Using Mouse Oocytes to Assess Human Gene Function During Meiosis I
Published on: April 10, 2018
8.8K
女性不孕症的遗传病因学的进展
Ruihuan Gu1, Tianyu Wu2, Jing Fu1
1Department of Shanghai Ji'ai Genetics and IVF Institute, Obstetrics and Gynecology Hospital, Fudan University, 352 Dalin Road, Shanghai, 200011, China.
Journal of assisted reproduction and genetics
|September 25, 2024
概括
遗传因素对不孕症和辅助生殖技术 (ART) 失败有很大影响. 鉴定致病基因对于理解生殖功能障碍和改善不育个体的ART成功率至关重要.
科学领域:
- 生殖生物学 生殖生物学
- 人类遗传学 人类遗传学
- 医学遗传学 医学遗传学
背景情况:
- 人类繁殖涉及从性子成熟到活产的复杂阶段;任何阶段的失败都会导致生殖问题.
- 不孕不育,一种生殖功能障碍的状态,由多种因素引起,遗传贡献越来越被认可.
- 分子遗传学和测序方面的进展突显出遗传变异是导致不孕不育和辅助生殖技术 (ART) 失败的关键原因.
研究的目的:
- 审查与女性遗传因素相关的复发性体外受精 (IVF) /细胞内精子注射 (ICSI) 失败的临床研究.
- 探索病原性基因及其基因位点在子体发生和早期胚胎发育中的作用.
- 阐明在生殖失败中遗传变异的功能机制和临床意义.
主要方法:
- 对专注于女性不孕症和ART失败的临床研究的审查.
- 对遗传病因学的分析,包括致病性基因积累和位置.
- 检查游戏生成和早期胚胎发育中的功能机制.
主要成果:
- 遗传变异被确定为导致卵巢功能障碍,卵细胞成熟缺陷,受精障碍和胚胎发育停止的原因.
- 病原性基因和基因位点有助于配体功能障碍和配体质量差,影响ART结果.
- 女性遗传病因是反复IVF/ICSI失败的一个重要因素,减少了临床成功率.
结论:
- 遗传因素是人类生殖成功和失败的关键决定因素.
- 了解不孕不育的遗传基础对于开发有针对性的诊断和治疗策略至关重要.
- 对致病基因及其机制的进一步研究可以改善ART的疗效和患者的治疗结果.
相关概念视频
Infertility in Females
288
Female infertility is defined as the inability to conceive after a year of regular, unprotected intercourse and affects about 10–15% of couples worldwide. The primary cause of female infertility is ovulatory disorders, which hinder the release of eggs. These disorders can be classified as hypothalamic amenorrhea, polycystic ovarian syndrome (PCOS), premature ovarian failure, and hyperprolactinemic anovulation disorders.
Endometriosis, a condition characterized by abnormal growth of...
Endometriosis, a condition characterized by abnormal growth of...
288
Infertility in Males
255
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...
255
Nondisjunction
3.8K
Nondisjunction is the failure of homologous chromosomes or sister chromatids to separate correctly and move to the opposite poles of the cells. This produces daughter cells with abnormal chromosome numbers. Nondisjunction is common during anaphase I or anaphase II of meiosis. Mutations in synaptonemal complex proteins that attach homologous chromosomes increase the chances of nondisjunction in anaphase I of meiosis I. In contrast, mutations in topoisomerases and condensins that hold...
3.8K
Oogenesis
63.5K
In human women, oogenesis produces one mature egg cell or ovum for every precursor cell that enters meiosis. This process differs in two unique ways from the equivalent procedure of spermatogenesis in males. First, meiotic divisions during oogenesis are asymmetric, meaning that a large oocyte (containing most of the cytoplasm) and minor polar body are produced as a result of meiosis I, and again following meiosis II. Since only oocytes will go on to form embryos if fertilized, this unequal...
63.5K
Meiosis I
39.9K
Meiosis is the division of a diploid cell into haploid cells forming sperm and eggs in animals through differentiation. Meiosis I is the first stage of meiosis, where the genetic recombination of homologous chromosomes and the reduction of the ploidy level by half occurs.
Prophase I is the most extended and complex step of meiosis I characterized by synapsis, chromosome pairing, and recombination of the homologous chromosomes. This process is facilitated by a proteinaceous structure called the...
Prophase I is the most extended and complex step of meiosis I characterized by synapsis, chromosome pairing, and recombination of the homologous chromosomes. This process is facilitated by a proteinaceous structure called the...
39.9K
Human Genetics
542
Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
The complex relationship between genetics and psychology is observable through common biological components such...
542

