AI Article Synopsis
Article Abstract
Background: The SARS-CoV-2 virus interacts with host cells through the S1 domain of its spike protein. This study measures the IgG immune response to this domain in COVID-19 patients from Kerala, India, and explores its association with various health factors.
Methods: A cohort of 258 COVID-19 patients was analyzed for IgG antibodies targeting the S1 spike protein domain. The temporal pattern of the IgG response and its correlation with hospitalization needs, intensive care, and pre-existing conditions such as diabetes, hypertension, and coronary artery disease were assessed.
Results: A significant IgG response (76.4%) was detected, indicating robust immune activation post-infection. The IgG levels peaked between two to four and four to eight weeks post-infection, with a notable increase at 12 weeks, hinting at possible secondary exposure or an immune memory response. No correlation was found between IgG levels and the presence of diabetes mellitus, hypertension, or coronary artery disease. However, higher IgG responses correlated with the severity of the infection, as seen in patients requiring hospitalization or intensive care.
Conclusions: The IgG response to the S1 spike protein domain serves as a potential marker of immune activation in COVID-19. It reflects the body's defense mechanism against the virus and may predict disease severity and outcomes. The findings suggest that IgG levels could be indicative of the viral load, inflammatory response, and possibly the likelihood of protection against reinfection.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11223736 | PMC |
| http://dx.doi.org/10.7759/cureus.61650 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Epidemiology, Ventilation Management, and Outcomes in Invasively Ventilated Coronavirus Disease 2019 Patients: An Analysis of Four Observational Studies in Four Countries on Two Continents.
Am J Trop Med Hyg
January 2025
Department of Intensive Care, Amsterdam University Medical Center, Amsterdam, The Netherlands.
Epidemiology, ventilator management, and outcomes in patients with acute respiratory distress syndrome (ARDS) because of coronavirus disease 2019 (COVID-19) have been described extensively but have never been compared between countries. We performed an individual patient data analysis of four observational studies to compare epidemiology, ventilator management, and outcomes. We used propensity score weighting to control for confounding factors.
View Article and Find Full Text PDFClinical Characteristics of Hospitalized Children With Coronavirus Disease 2019 After the Spread of the BA.5 Omicron Variants in Japan.
Pediatr Infect Dis J
January 2025
From the Department of Pediatrics, Niigata University, Graduate School of Medical and Dental Sciences, Niigata, Japan.
Background: The spread of the BA.5 Omicron variant of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) has increased the number of hospitalized children. However, the impact of the spread of new omicron subvariants in children remains poorly described.
View Article and Find Full Text PDFThe Heterogeneous Presentations of De Novo and Recurrent Ocular Inflammation following COVID-19 Vaccination: A Multi-Center Report and a Review of the Literature.
Retina
January 2025
Tennessee Retina, Nashville, TN.
Purpose: To describe the patterns of ocular inflammation following COVID-19 vaccination, assess underlying commonalities and understand outcomes.
Methods: Retrospective, multicenter cohort study, conducted between 2020 and 2021. Patients with no previous uveitis history (de novo) or a known uveitis history (recurrent) who developed ocular inflammation within 42 days of COVID-19 vaccination were identified.
Safety of two-dose schedule of COVID-19 adsorbed inactivated vaccine (CoronaVac; Sinovac/Butantan) and heterologous additional doses of mRNA BNT162b2 (Pfizer/BioNTech) in immunocompromised and immunocompetent individuals.
Rev Inst Med Trop Sao Paulo
January 2025
Universidade de São Paulo, Faculdade de Medicina, Hospital das Clínicas, Divisão de Clínica de Moléstias Infecciosas e Parasitárias, Laboratório de Investigação Médica em Imunologia (LIM-48), SSão Paulo, São Paulo, Brazil.
Immunocompromised individuals were considered high-risk for severe disease due to SARS COV-2 infection. This study aimed to describe the safety of two doses of COVID-19 adsorbed inactivated vaccine (CoronaVac; Sinovac/Butantan), followed by additional doses of mRNA BNT162b2 (Pfizer/BioNTech) in immunocompromised (IC) adults, compared to immunocompetent/healthy (H) individuals. This phase 4, multicenter, open label study included solid organ transplant and hematopoietic stem cell transplant recipients, cancer patients and people with inborn errors of immunity with defects in antibody production, rheumatic, end-stage chronic kidney or liver disease, who were enrolled in the IC group.
View Article and Find Full Text PDFThe Association of the Coronavirus Disease-2019 Pandemic With Disparities in Maternal Outcomes.
Anesth Analg
January 2025
RAND Health, RAND, Boston, MA.
Background: In the United States, Black and Hispanic patients have substantially worse maternal outcomes than non-Hispanic White patients. The goals of this study were to evaluate the association between the coronavirus disease-2019 (COVID-19) pandemic and maternal outcomes, and whether Black and Hispanic patients were disproportionately affected by the pandemic compared to White patients.
Methods: Multivariable logistic regression was used to examine in the United States the association between maternal outcomes (severe maternal morbidity, mortality, failure-to-rescue, and cesarean delivery) and the weekly hospital proportion of COVID-19 patients, and the interaction between race, ethnicity, payer status, and the hospital COVID-19 burden using US national data from the Vizient Clinical Database between 2017 and 2022.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!