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      IgA Nephropathy with Gross Hematuria Following COVID-19 mRNA Vaccination

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          Abstract

          A 28-year-old woman experienced gross hematuria after the administration of the second dose of an messenger ribonucleic acid (mRNA) vaccine (BNT162b2). She was diagnosed with Immunogloblin A nephropathy (IgAN) by a renal biopsy two weeks after vaccination, which revealed a mild increase in mesangial cells and a matrix with co-depositions of galactose-deficient IgA1 and C3 in the mesangial region. The gross hematuria and proteinuria gradually improved without any medication, suggesting that immune activation by the mRNA vaccine may not elicit continuous disease progression of IgAN. Thus, further studies investigating the relationship between mRNA vaccines against COVID-19 and the progression of IgAN should be conducted.

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          Most cited references19

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          A Novel Coronavirus from Patients with Pneumonia in China, 2019

          Summary In December 2019, a cluster of patients with pneumonia of unknown cause was linked to a seafood wholesale market in Wuhan, China. A previously unknown betacoronavirus was discovered through the use of unbiased sequencing in samples from patients with pneumonia. Human airway epithelial cells were used to isolate a novel coronavirus, named 2019-nCoV, which formed a clade within the subgenus sarbecovirus, Orthocoronavirinae subfamily. Different from both MERS-CoV and SARS-CoV, 2019-nCoV is the seventh member of the family of coronaviruses that infect humans. Enhanced surveillance and further investigation are ongoing. (Funded by the National Key Research and Development Program of China and the National Major Project for Control and Prevention of Infectious Disease in China.)
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            An mRNA Vaccine against SARS-CoV-2 — Preliminary Report

            Abstract Background The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) emerged in late 2019 and spread globally, prompting an international effort to accelerate development of a vaccine. The candidate vaccine mRNA-1273 encodes the stabilized prefusion SARS-CoV-2 spike protein. Methods We conducted a phase 1, dose-escalation, open-label trial including 45 healthy adults, 18 to 55 years of age, who received two vaccinations, 28 days apart, with mRNA-1273 in a dose of 25 μg, 100 μg, or 250 μg. There were 15 participants in each dose group. Results After the first vaccination, antibody responses were higher with higher dose (day 29 enzyme-linked immunosorbent assay anti–S-2P antibody geometric mean titer [GMT], 40,227 in the 25-μg group, 109,209 in the 100-μg group, and 213,526 in the 250-μg group). After the second vaccination, the titers increased (day 57 GMT, 299,751, 782,719, and 1,192,154, respectively). After the second vaccination, serum-neutralizing activity was detected by two methods in all participants evaluated, with values generally similar to those in the upper half of the distribution of a panel of control convalescent serum specimens. Solicited adverse events that occurred in more than half the participants included fatigue, chills, headache, myalgia, and pain at the injection site. Systemic adverse events were more common after the second vaccination, particularly with the highest dose, and three participants (21%) in the 250-μg dose group reported one or more severe adverse events. Conclusions The mRNA-1273 vaccine induced anti–SARS-CoV-2 immune responses in all participants, and no trial-limiting safety concerns were identified. These findings support further development of this vaccine. (Funded by the National Institute of Allergy and Infectious Diseases and others; mRNA-1273 ClinicalTrials.gov number, NCT04283461).
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              IgA nephropathy.

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                Author and article information

                Journal
                Intern Med
                Intern Med
                Internal Medicine
                The Japanese Society of Internal Medicine
                0918-2918
                1349-7235
                1 February 2022
                1 April 2022
                : 61
                : 7
                : 1033-1037
                Affiliations
                [1 ]Department of Nephrology, Juntendo University Faculty of Medicine, Japan
                [2 ]Department of Human Pathology, Juntendo University School of Medicine, Japan
                [3 ]Department of Nephrology, Juntendo University Urayasu Hospital, Japan
                [4 ]Department of Pathology, Juntendo University Urayasu Hospital, Japan
                Author notes

                Correspondence to Dr. Yusuke Suzuki, yusuke@ 123456juntendo.ac.jp

                Article
                10.2169/internalmedicine.8787-21
                9038465
                35110484
                c6fe86ca-9fc5-436a-8fad-58238f38f5d0
                Copyright © 2022 by The Japanese Society of Internal Medicine

                The Internal Medicine is an Open Access journal distributed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. To view the details of this license, please visit ( https://creativecommons.org/licenses/by-nc-nd/4.0/).

                History
                : 6 October 2021
                : 1 December 2021
                Categories
                Case Report

                iga nephropathy,covid-19,mrna vaccine,gross hematuria
                iga nephropathy, covid-19, mrna vaccine, gross hematuria

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