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1.
Saudi J Biol Sci ; 31(7): 104021, 2024 Jul.
Article in English | MEDLINE | ID: mdl-38831893

ABSTRACT

While the relationship between cellular apoptosis and proliferation rates in COVID patients remains underexplored in existing literature, various viruses are known to impact these fundamental process to modulate response to infection. This paper aims to assess apoptosis and proliferation rates in individuals recently infected with Coronavirus, both before and after vaccination, comparing them with healthy controls. Peripheral blood cells from newly diagnosed COVID-19 patients revealed a significant increase in proliferation and apoptosis levels in fresh lymphocytes and granulocytes compared to healthy donors. Notably, as none of the patients were under corticosteroid therapy or cytotoxic drugs, the study underscores the critical role of white blood (WBC) apoptosis in viral pathogenesis, potentially contributing significantly to COVID-19's pathogenicity. Elevated levels of soluble Fas ligand (FaSL) and the pro-inflatmmatory cytokine IL-38 were identified in COVID-19 patients, indicating potential immune dysregulation. Furthermore, individual who received the vaccine or recovered from COVID-19 exhibited higher survivin rates, suggesting a protective role for survivin in migitating lung damage. These findings suggest the prospect of developing a strategy to prevent WBC apoptosis, offering potential benefits in averting lymphopenia associated with severe COVID-19 ouctomes.

2.
Saudi J Biol Sci ; 28(6): 3523-3525, 2021 Jun.
Article in English | MEDLINE | ID: mdl-34121894

ABSTRACT

OBJECTIVE: Dental caries is one of the most common problems of the oral cavity which is frequently observed in older people. The aim of this study is to evaluate serum C-reactive proteins (CRP) levels and to identify the correlation between dental caries and CRP levels. METHODOLOGY: The study included 12 aged patients with an average age of 65-years; the patients were diagnosed with dental caries and did not have clinical history of heart diseases, rheumatoid arthritis or any other infection. The control group consisted of 10 healthy donors with an average age of 60-years. The CRP level of positive samples was measured by using CRP Enzyme-linked immunosorbent assay-ELISA Kit. RESULTS: The currents study showed that only 5 out of 12 patients were CRP positive. CONCLUSIONS: Because of study limitations, it is early to conclude of close relationship between serum CRP and dental caries from the findings of this study; however, this study will give a clearer picture to understand the relationship between serum CRP, inflammatory cytokines and dental caries.

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