ArticleMolecular biology reports2024
Alternations in miR-155 and miR-200 serum levels can serve as biomarkers for COVID-19 in the post-mass vaccination era.
Article in Molecular biology reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
- Investigating the Role of microRNA in Host-Influenza A and Other Respiratory RNA Virus Interactions.Pathogens (Basel, Switzerland) · 2026Review
- Decoding miRNA-Mediated Immunoregulation in SARS-CoV-2, HBV, HIV, and HSV Infections.Genes and immunity · 2026Review
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundMass vaccination and natural immunity reduced the severity of COVID-19 cases. SARS-CoV-2 ongoing genome variations imply the use of confirmatory serologic biomarkers besides PCR for reliable diagnosis. MicroRNA molecules are intrinsic components of the innate immune system. The expression of miR155-5p and miR200c-3p was previously correlated with SARS-CoV-2 pathogenesis. This case-control study was conducted during the third peak of the COVID-19 pandemic in Egypt and aimed to calculate the accuracy of miR155-5p and miR200c-3p as biomarkers for COVID-19. METHODS AND
resultsThirty out of 400 COVID-19 patients at a main University hospital in Alexandria were included in the study along with 20 age-matched healthy controls. Plasma samples were collected for total and differential CBC. Relative quantitation of miR155-5p and miR200c-3p expression from WBCs was done by RT-qPCR. The expression of miR155-5p and miR200c-3p was positively correlated and was significantly downregulated in COVID-19 patients compared to the healthy control group (p ˂ 0.005). Both miR155-5p and miR200c-3p were of 76% and 74% accuracy as diagnostic biomarkers of COVID-19, respectively. Regarding the differentiation between mild and moderate cases, their accuracy was 80% and 70%, respectively.
conclusionsmiR155-5p and miR200c-3p expression can be used to confirm the diagnosis of COVID-19 and discriminate between mild and moderate cases, with a moderate degree of accuracy.
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