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Intermittent fasting, a possible priming tool for host defense against SARS-CoV-2 infection: Crosstalk among calorie restriction, autophagy and immune response.
Immunology Letters ( IF 4.4 ) Pub Date : 2020-07-10 , DOI: 10.1016/j.imlet.2020.07.001
Md Abdul Hannan 1 , Md Ataur Rahman 2 , Md Saidur Rahman 3 , Abdullah Al Mamun Sohag 4 , Raju Dash 5 , Khandkar Shaharina Hossain 6 , Mithila Farjana 6 , Md Jamal Uddin 7
Affiliation  

Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) is the causative pathogen of deadly Coronavirus disease-19 (COVID-19) pandemic, which emerged as a major threat to public health across the world. Although there is no clear gender or socioeconomic discrimination in the incidence of COVID-19, individuals who are older adults and/or with comorbidities and compromised immunity have a relatively higher risk of contracting this disease. Since no specific drug has yet been discovered, strengthening immunity along with maintaining a healthy living is the best way to survive this disease. As a healthy practice, calorie restriction in the form of intermittent fasting (IF) in several clinical settings has been reported to promote several health benefits, including priming of the immune response. This dietary restriction also activates autophagy, a cell surveillance system that boosts up immunity. With these prevailing significance in priming host defense, IF could be a potential strategy amid this outbreak to fighting off SARS-CoV-2 infection. Currently, no review so far available proposing IF as an encouraging strategy in the prevention of COVID-19. A comprehensive review has therefore been planned to highlight the beneficial role of fasting in immunity and autophagy, that underlie the possible defense against SARS-CoV-2 infection. The COVID-19 pathogenesis and its impact on host immune response have also been briefly outlined. This review aimed at revisiting the immunomodulatory potential of IF that may constitute a promising preventive approach against COVID-19.



中文翻译:

间歇性禁食,可能是宿主防御 SARS-CoV-2 感染的启动工具:卡路里限制、自噬和免疫反应之间的串扰。

严重急性呼吸系统综合症冠状病毒 2 (SARS-CoV-2) 是致命的冠状病毒病 19 (COVID-19) 大流行的病原体,已成为全球公共卫生的主要威胁。尽管 COVID-19 的发病率没有明显的性别或社会经济歧视,但老年人和/或患有合并症和免疫力低下的人感染这种疾病的风险相对较高。由于目前还没有发现特效药,增强免疫力的同时保持健康的生活是战胜这种疾病的最好方法。作为一种健康的做法,据报道,在一些临床环境中以间歇性禁食 (IF) 的形式限制卡路里摄入可以促进多种健康益处,包括启动免疫反应。这种饮食限制也会激活自噬,增强免疫力的细胞监视系统。鉴于这些在启动宿主防御方面的普遍意义,IF 可能成为此次爆发中对抗 SARS-CoV-2 感染的潜在策略。目前,尚无评论建议将 IF 作为预防 COVID-19 的鼓励策略。因此,计划进行全面审查以强调禁食在免疫和自噬中的有益作用,这可能是抵御 SARS-CoV-2 感染的基础。还简要概述了 COVID-19 的发病机制及其对宿主免疫反应的影响。本综述旨在重新审视 IF 的免疫调节潜力,这可能构成一种有前途的 COVID-19 预防方法。在这次爆发中,IF 可能是对抗 SARS-CoV-2 感染的潜在策略。目前,尚无评论建议将 IF 作为预防 COVID-19 的鼓励策略。因此,计划进行全面审查以强调禁食在免疫和自噬中的有益作用,这可能是抵御 SARS-CoV-2 感染的基础。还简要概述了 COVID-19 的发病机制及其对宿主免疫反应的影响。本综述旨在重新审视 IF 的免疫调节潜力,这可能构成一种有前途的 COVID-19 预防方法。在这次爆发中,IF 可能是对抗 SARS-CoV-2 感染的潜在策略。目前,尚无评论建议将 IF 作为预防 COVID-19 的鼓励策略。因此,计划进行全面审查以强调禁食在免疫和自噬中的有益作用,这可能是抵御 SARS-CoV-2 感染的基础。还简要概述了 COVID-19 的发病机制及其对宿主免疫反应的影响。本综述旨在重新审视 IF 的免疫调节潜力,这可能构成一种有前途的 COVID-19 预防方法。因此,计划进行全面审查以强调禁食在免疫和自噬中的有益作用,这可能是抵御 SARS-CoV-2 感染的基础。还简要概述了 COVID-19 的发病机制及其对宿主免疫反应的影响。本综述旨在重新审视 IF 的免疫调节潜力,这可能构成一种有前途的 COVID-19 预防方法。因此,计划进行全面审查以强调禁食在免疫和自噬中的有益作用,这可能是抵御 SARS-CoV-2 感染的基础。还简要概述了 COVID-19 的发病机制及其对宿主免疫反应的影响。本综述旨在重新审视 IF 的免疫调节潜力,这可能构成一种有前途的 COVID-19 预防方法。

更新日期:2020-07-14
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