抗病毒药物对冠状病毒肺炎模型保护作用的研究

T. Mironova, V. Afonyushkin, V. Cherepushkina, Y. Kozlova, A. S. Bobikova, V. Koptev, N. Sigareva, F. Kolpakov
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引用次数: 2

摘要

Infectious bronchitis of chickens (IBC) is a widespread disease in the Russian Federation caused by a virus from the genus Gammacoronavirus The pathology of the respiratory system caused by the IBV virus in chickens has many similarities with the pathology of the respiratory system caused by SARS CoV2 in humans The efficacy of the virucidal drugs "Ecocid C", "Triviron", "Argovit" was tested on chickens infected with a tenfold dose of the vaccine based on the attenuated H120 strain against infectious bronchitis of chickens (IBV) In the experiment, the presence of inflammatory changes in the intestines, lungs and thymus was observed on day 6 after infection The experimental groups were characterized by less pronounced inflammatory changes and a lower proportion of thymus and lung probes containing genomic IBV RNA Since the virocidal activity of Trivirone, Ecocide C, Argovit was possible only in the intestine, then as a model of respiratory infection with COVID19, the experimental data indirectly confirm the hypothesis of the fundamental possibility of the predominant accumulation of coronaviruses in the intestine and subsequent lung damage during hematogenous redistribution of viral particles and antigens such as IBV and other coronaviruses,Including SARS Cov2 the dynamic balance between the reproduction of coronaviruses in the intestine and their elimination should be easily disturbed when the concentration of functionally active viral particles(under the action ofvirucidal agents)decreases,incl due to the initially low concentration of coronaviruses in terms of pharmacopprophylaxis of infectious bronchitis,it seems promising to use virucidal agents in the period preceding the formation of supply immunity由GAMMACORONAVIRUS引起的鸡体内IBK病毒引起的呼吸道系统病理与SARS COV2引起的呼吸道系统病理有许多共同之处。在一项实验中,感染了10倍剂量的针对鸡传染性支气管炎(IBV)的衰减型H120菌株疫苗的人观察到肠道、肺和胸脯发生炎症性变化。在感染后的第6天,实验组的炎症变化不太明显,胸腺和肺样本中含有基因组RNA IBV的比例较低,因为Triviron、Ecocide C和Argovita的病毒灭绝活性仅在肠道中存在。作为呼吸道感染COVID19的模型,实验数据间接支持了一个假设,即在病毒颗粒和抗原(IBV和包括SARS COV2在内的其他冠状病毒)的血液再分配过程中,冠状病毒在肠道中优先积累并随后损害肺。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Study of the protective effects of virucidal drugs on the model of coronavirus pneumonia
Infectious bronchitis of chickens (IBC) is a widespread disease in the Russian Federation caused by a virus from the genus Gammacoronavirus The pathology of the respiratory system caused by the IBV virus in chickens has many similarities with the pathology of the respiratory system caused by SARS CoV2 in humans The efficacy of the virucidal drugs "Ecocid C", "Triviron", "Argovit" was tested on chickens infected with a tenfold dose of the vaccine based on the attenuated H120 strain against infectious bronchitis of chickens (IBV) In the experiment, the presence of inflammatory changes in the intestines, lungs and thymus was observed on day 6 after infection The experimental groups were characterized by less pronounced inflammatory changes and a lower proportion of thymus and lung probes containing genomic IBV RNA Since the virocidal activity of Trivirone, Ecocide C, Argovit was possible only in the intestine, then as a model of respiratory infection with COVID19, the experimental data indirectly confirm the hypothesis of the fundamental possibility of the predominant accumulation of coronaviruses in the intestine and subsequent lung damage during hematogenous redistribution of viral particles and antigens such as IBV and other coronaviruses, including SARS CoV2 The dynamic balance between the reproduction of coronaviruses in the intestine and their elimination should be easily disturbed when the concentration of functionally active viral particles (under the action ofvirucidal agents) decreases, incl due to the initially low concentration of coronaviruses In terms of pharmacoprophylaxis of infectious bronchitis, it seems promising to use virucidal agents in the period preceding the formation of supply immunity Инфекционный бронхит кур (ИБК) - широко распространенное в Российской Федерации заболевание, вызываемое вирусом из рода Gammacoronavirus Патологии респираторной системы, вызванные вирусом ИБК у кур, имеют много общих черт с патологией респираторной системы вызванной SARS CoV2 у человека Было проведено испытание эффективности вироцидных препаратов "Экоцид С", "Тривирон", "Арговит" на цыплятах, зараженных десятикратной дозой вакцины на основе аттенуированного штамма H120 против инфекционного бронхита кур (IBV) В эксперименте наблюдали наличие воспалительных изменений в кишечнике, легких и тимусе, на 6 день после заражения Экспериментальные группы характеризовались менее выраженными воспалительными изменениями и меньшей удельной долей проб тимуса и легких содержащих геномную РНК IBV Так как вироцидная активность Тривирона, Экоцида С, Арговита была возможно только в кишечнике, то в качестве модели респираторной инфекции COVID19 данные экспериментов косвенно подтверждают гипотезу о принципиальной возможности преимущественного накопления коронавирусов в кишечнике и последующем поражении легких при гематогенном перераспределении вирусных частиц и антигенов как IBV, так и других коронавирусов, включая SARS CoV2
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Athletic Therapy Today
Athletic Therapy Today 医学-康复医学
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