将进化观点应用于辅助生殖技术
Jonathan P Evans1, Francisco Garcia-Gonzalez1,2
1Centre for Evolutionary Biology, School of Biological Sciences, University of Western Australia, Crawley, 6009 WA, Australia.
PNAS nexus
|December 18, 2024
概括
辅助生殖技术 (ART) 通过表观遗传效应和绕过自然选择机制,对后代健康构成风险. 需要进一步的研究,以了解和减轻这些影响跨世代.
科学领域:
- 进化生物学 进化生物学
- 生殖科学 生殖科学
背景情况:
- 辅助生殖技术 (ART) 广泛用于人类不孕症和畜牧业生产.
- 人工智能技术程序可以使性子和胚胎处于压力条件下,可能通过表观遗传变化影响后代的健康.
研究的目的:
- 总结ART对胚胎和长期后代健康的风险.
- 强调需要使用动物模型进行实验研究,以确定ART和后代健康之间的因果关系.
- 要突出ART如何绕过女性生殖道中的自然和性选择机制.
主要方法:
- 这是一篇视角文章,总结了现有知识,并提出了未来的研究方向.
- 它强调了对动物模型进行实验研究的需要.
- 它分析了ART对自然和性选择过程的影响.
主要成果:
- 通过表观遗传修饰,ART程序可以通过表观遗传修饰对后代的健康和健康产生负面影响.
- ART绕过关键的女性介导精子选择过程,可能会影响后代的质量.
- 在ART中限制雌性选择机制可能对后代产生重大影响.
结论:
- 进一步的研究对于了解ART对后代健康的多代影响至关重要.
- 应该开发ART方法,以更好地模仿自然精子选择过程.
- 将进化生物学原则纳入ART开发是改善结果的关键.
相关概念视频
Criticisms of the Evolutionary Perspective
91
In a study where individuals posing as strangers offered compliments and proposed casual sex to students, the responses differed significantly based on gender. Not a single woman accepted the proposal, while 70% of the men agreed. This outcome provides a useful scenario to explore through the lens of evolutionary psychology and social learning theory, highlighting the diverse perspectives on human sexual behaviors.
Evolutionary psychology provides one explanation for these findings, suggesting...
Evolutionary psychology provides one explanation for these findings, suggesting...
91
Evolutionary Psychology
241
Evolutionary psychology explores the origins of human behavior and mental processes by framing them within the context of natural selection, a theory famously propounded by Charles Darwin. This field asserts that many behaviors common across human societies — ranging from instinctive fear reactions to complex social interactions — arose as evolutionary adaptations. These adaptations enhanced the survival and reproductive success of our ancestors, thereby becoming embedded in the...
241
In Vitro Fertilization
214
In vitro fertilization (IVF) is a form of assisted reproductive technology where an egg is fertilized with sperm in a controlled laboratory environment before transferring the resulting embryo into the uterus. This process is designed to help individuals and couples experiencing difficulties conceiving.
The IVF process begins with ovarian stimulation, during which reproductive endocrinologists prescribe hormonal medications to stimulate the ovaries to produce multiple eggs instead of the single...
The IVF process begins with ovarian stimulation, during which reproductive endocrinologists prescribe hormonal medications to stimulate the ovaries to produce multiple eggs instead of the single...
214
CRISPR
49.3K
Genome editing technologies allow scientists to modify an organism’s DNA via the addition, removal, or rearrangement of genetic material at specific genomic locations. These types of techniques could potentially be used to cure genetic disorders such as hemophilia and sickle cell anemia. One popular and widely used DNA-editing research tool that could lead to safe and effective cures for genetic disorders is the CRISPR-Cas9 system. CRISPR-Cas9 stands for Clustered Regularly Interspaced...
49.3K
Genetics of Speciation
19.0K
Speciation is the evolutionary process resulting in the formation of new, distinct species—groups of reproductively isolated populations.
19.0K
Natural Selection and Mating Preferences
91
The principle of natural selection posits that organisms better adapted to their environment are more likely to survive and reproduce. This principle is closely intertwined with mating preferences, a key aspect of sexual selection, which evolutionary psychologists believe is driven by instincts to propagate one's genes. Such instincts significantly influence mating behaviors and preferences between genders.
Females, due to their biological roles in conception, pregnancy, and nursing,...
Females, due to their biological roles in conception, pregnancy, and nursing,...
91


