亚托匹性皮肤炎中的暴露体的内在影响:基因组学,表观基因组学和调控层
Katerina Grafanaki1,2, Charalabos Antonatos3, Alexandros Maniatis2
1Department of Dermatology-Venereology, School of Medicine, University of Patras, 26504 Patras, Greece.
Journal of clinical medicine
|June 28, 2023
概括
亚托皮炎 (AD) 涉及复杂的遗传和环境因素. 了解风险组的理解
科学领域:
- 免疫学 免疫学 免疫学
- 环境健康 环境健康
- 皮肤病学 皮肤病学
背景情况:
- 亚托邦性皮肤炎 (AD) 或亚托邦性湿疹是一种普遍的炎症性皮肤疾病,原因复杂.
- 暴露组包括终身暴露及其生物学影响,环境因素在AD中发挥着重要作用.
- 怀孕,婴儿和青春期等关键发育时期是AD发展的关键,这是由于持久的免疫系统影响.
研究的目的:
- 探索在亚托皮性皮肤炎中外部暴露和内在生物学途径之间的相互作用.
- 突出遗传变异,表观遗传变化,饮食,压力和微生物组相互作用在AD病变发生过程中的重要性.
- 强调需要全面了解这些因素来治疗阿尔茨海默病和相关的炎症状况.
主要方法:
- 审查最近的研究对外部暴露的环境风险因素对AD.
- 通过外部暴露体 (遗传学,表观遗传学,饮食,压力,微生物组) 对内在途径调节的分析.
- 专注于关键的发育阶段 (怀孕,婴儿,青少年) 和它们的长期免疫影响.
主要成果:
- 阿尔茨海默病的病因受外在 (环境) 和内在 (遗传,表观遗传) 因素的影响.
- 在关键发育窗口期间的曝光体显著影响免疫系统发育和AD风险.
- 遗传倾向和环境暴露之间的相互作用对于AD发展至关重要.
结论:
- 免疫失调,屏障功能障碍,荷尔蒙变化和皮肤微生物组失衡是AD的关键因素.
- 了解暴露组,遗传学和表观遗传学的复杂相互作用对于有效的AD治疗至关重要.
- 这种知识对于管理其他炎症性疾病也至关重要.
相关概念视频
Gene-Environment Interactions
376
Gene expression is a dynamic process that is significantly influenced by environmental factors. This interaction underlies the complex nature of biological development and the phenotypic differences observed among individuals, even among those with identical genetic makeups. Factors such as radiation, temperature, behavior, nutrition, and stress play pivotal roles in determining how genes are expressed. The concept of the reaction range is central to understanding this interaction. It posits...
376
Epigenetic Regulation
31.1K
Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
31.1K
Clinical Applications of Epidermal Stem Cells
2.7K
Epidermal stem cells (EpiSCs) are mainly located at the basal layer of the epidermis. These cells repair minor injuries of the skin and replace dead skin cells. However, EpiSCs’ cannot heal severe wounds such as major burns or those from diabetes or hereditary disorders. In such cases, culturing the epidermal stem cells from the patient is possible and has yielded successful treatment options, such as laboratory-grown skin grafts. These grafts are synthesized using a patient’s own...
2.7K
Human Genetics
625
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...
625
Asthma-II: Pathophysiology and Classification
2.7K
Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
2.7K
Renewal of Skin Epidermal Stem Cells
2.6K
The skin is divided into epidermis, dermis, and hypodermis, the skin's outermost, middle, and inner layers. The human epidermal layer regularly undergoes renewal, where old, dead cells are replaced by new cells. Epidermal stem cells or EpiSCs divide and differentiate to restore the lost cells. For the renewal process, some EpiSCs continuously self-renew. In contrast, few others differentiate into transit-amplifying cells, which later form prickle or spinous cells, followed by granular...
2.6K


