The developmental origins of health and diseases(DOHaD)is a concept stating that adverse intrauterine environments contribute to the health risks of offspring.Since the theory emerged more than 30 years ago,many epide...The developmental origins of health and diseases(DOHaD)is a concept stating that adverse intrauterine environments contribute to the health risks of offspring.Since the theory emerged more than 30 years ago,many epidemiological and animal studies have confirmed that in utero exposure to environmental insults,including hyperglycemia and chemicals,increased the risk of developing noncommunicable diseases(NCDs).These NCDs include metabolic syndrome,type 2 diabetes,and complications such as diabetic cardiomyopathy.Studying the effects of different environmental insults on early embryo development would aid in understanding the underlying mechanisms by which these insults promote NCD development.Embryonic stem cells(ESCs)have also been utilized by researchers to study the DOHaD.ESCs have pluripotent characteristics and can be differentiated into almost every cell lineage;therefore,they are excellent in vitro models for studying early developmental events.More importantly,human ESCs(hESCs)are the best alternative to human embryos for research because of ethical concerns.In this review,we will discuss different maternal conditions associated with DOHaD,focusing on the complications of maternal diabetes.Next,we will review the differentiation protocols developed to generate different cell lineages from hESCs.Additionally,we will review how hESCs are utilized as a model for research into the DOHaD.The effects of environmental insults on hESC differentiation and the possible involvement of epigenetic regulation will be discussed.展开更多
基于生活环境、健康和疾病在分子水平上密切相关的核心理念,健康和疾病的发育起源(developmental origins of health and disease,DOHaD)理论为健康与疾病间的关联研究提供了全新视角。该理论通过多学科、多领域的知识互通,追溯不同的...基于生活环境、健康和疾病在分子水平上密切相关的核心理念,健康和疾病的发育起源(developmental origins of health and disease,DOHaD)理论为健康与疾病间的关联研究提供了全新视角。该理论通过多学科、多领域的知识互通,追溯不同的生活经历如何影响生命全过程中的健康和疾病风险。成人期疾病的敏感窗口期不再局限于妊娠前和妊娠期,分娩期至成年早期也成为暴露因素发挥作用的重要时段。母源性/父源性因素、环境因素、新生儿出生状况、儿童期代谢情况等能够通过影响表观遗传、代谢和免疫调控、氧化应激等,改变发育程序并对子代远期健康产生正向或负向影响。因此,为实现健康促进,需要同步推进早期生命阶段预防、后期随访及健康干预的关口前移,以期有效降低成年期疾病风险,提升生命全周期健康水平。综述DOHaD领域最新研究进展对阐明人类发展早期阶段发生的不良事件影响健康和疾病模式及发现有效干预措施具有积极意义。展开更多
文摘The developmental origins of health and diseases(DOHaD)is a concept stating that adverse intrauterine environments contribute to the health risks of offspring.Since the theory emerged more than 30 years ago,many epidemiological and animal studies have confirmed that in utero exposure to environmental insults,including hyperglycemia and chemicals,increased the risk of developing noncommunicable diseases(NCDs).These NCDs include metabolic syndrome,type 2 diabetes,and complications such as diabetic cardiomyopathy.Studying the effects of different environmental insults on early embryo development would aid in understanding the underlying mechanisms by which these insults promote NCD development.Embryonic stem cells(ESCs)have also been utilized by researchers to study the DOHaD.ESCs have pluripotent characteristics and can be differentiated into almost every cell lineage;therefore,they are excellent in vitro models for studying early developmental events.More importantly,human ESCs(hESCs)are the best alternative to human embryos for research because of ethical concerns.In this review,we will discuss different maternal conditions associated with DOHaD,focusing on the complications of maternal diabetes.Next,we will review the differentiation protocols developed to generate different cell lineages from hESCs.Additionally,we will review how hESCs are utilized as a model for research into the DOHaD.The effects of environmental insults on hESC differentiation and the possible involvement of epigenetic regulation will be discussed.
文摘基于生活环境、健康和疾病在分子水平上密切相关的核心理念,健康和疾病的发育起源(developmental origins of health and disease,DOHaD)理论为健康与疾病间的关联研究提供了全新视角。该理论通过多学科、多领域的知识互通,追溯不同的生活经历如何影响生命全过程中的健康和疾病风险。成人期疾病的敏感窗口期不再局限于妊娠前和妊娠期,分娩期至成年早期也成为暴露因素发挥作用的重要时段。母源性/父源性因素、环境因素、新生儿出生状况、儿童期代谢情况等能够通过影响表观遗传、代谢和免疫调控、氧化应激等,改变发育程序并对子代远期健康产生正向或负向影响。因此,为实现健康促进,需要同步推进早期生命阶段预防、后期随访及健康干预的关口前移,以期有效降低成年期疾病风险,提升生命全周期健康水平。综述DOHaD领域最新研究进展对阐明人类发展早期阶段发生的不良事件影响健康和疾病模式及发现有效干预措施具有积极意义。