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1.
Journal of Iranian Medical Council ; 5(2):352-354, 2022.
Article in English | Scopus | ID: covidwho-2204601

ABSTRACT

Organoids are a miniature, simplified version of a human organ that are produced in three dimensions in the laboratory and show the true anatomical array. These organelles originate from one or more cells - embryonic stem cells or induced multipotent stem cells - that can organize themselves in three-dimensional culture media. The use of stem cells due to the unlimited capacity of tissue division and regeneration is a great promise as a therapeutic tool. These three-dimensional models of human tissue can be used to test drugs before they are tested on humans. Lung organoids are one of the different types of organoids that, like other organoids, can be formed through a process of self-organizing stem cells or specific parts of an organ. These organoids can also be utilized as a useful tool for screening drugs and vaccines for infections such as the novel SARS-COV-2 infection. The aim of this study was to investigate the potential of lung organoids in the treatment of pulmonary diseases. Copyright 2022, Journal of Iranian Medical Council. All rights reserved.

2.
Archives of Clinical Infectious Diseases ; 17(4), 2022.
Article in English | EMBASE | ID: covidwho-2067098

ABSTRACT

Background: The application of methylprednisolone in ARDS patients has led to a sustained reduction in inflammatory plasma cytokines and chemokines and has recently been used in the treatment of patients with SARS-CoV-2 infection. Objectives: In this study, the effect of methylprednisolone on clinical symptoms and antioxidant changes of patients with COVID-19 has been investigated. Methods: In the present study, patients with moderate to severe COVID-19 who required hospitalization were entered into the study phase. Then, in addition to standard treatment, patients received methylprednisolone at a dose of 250 mg intravenously over three days. Necessary evaluations include analysis of arterial blood gases, pulse oximetry, monitoring of patient clinical signs, examination of inflammatory biomarkers, and also receiving 10 cc of peripheral blood samples to check for antioxidant changes, at the beginning of the study, after 24 hours, and 72 hours after receiving methylprednisolone was on the agenda. Results: Changes in fever, superoxide dismutase (SOD, Glutathione-S-Transferase (GST, the ferric reducing ability of plasma (FRAP, malondialdehyde (MDA, Nitric oxide, Ferritin, and TNF-α before treatment and 72 hours after treatment were significantly different between the two stages (P < 0.05). Conclusions: The use of methylprednisolone improves the balance of antioxidants and immunological factors in patients with COVID-19 and thus improves some clinical indicators in these patients.

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