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Nayeri T, Moosazadeh M, Dalimi Asl A, Ghaffarifar F, Sarvi S, Daryani A. Toxoplasma gondii infection and ABO blood groups: a systematic review and meta-analysis. Trans R Soc Trop Med Hyg 2024; 118:234-246. [PMID: 38064578 DOI: 10.1093/trstmh/trad085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 08/24/2023] [Accepted: 11/27/2023] [Indexed: 04/07/2024] Open
Abstract
The current study aimed to determine the prevalence of Toxoplasma gondii in ABO blood groups and assess the relationship between the prevalence of T. gondii and blood groups. A literature search was carried out for epidemiological studies that were published through December 2022. A random effects model was used to determine the OR and the pooled prevalence with a 95% CI. The estimated pooled prevalences of T. gondii infection in the A, B, AB and O blood groups were 38% (95% CI 27 to 48%), 38% (95% CI 29 to 47%), 36% (95% CI 26 to 45%) and 36% (95% CI 27 to 45%), respectively. Also, the pooled ORs of the relationship between the prevalence of T. gondii infection and the A, B, AB and O blood groups were 1.08 (95% CI 0.97 to 1.19), 1.10 (95% CI 0.95 to 1.28), 1.08 (95% CI 0.92 to 1.27) and 0.89 (95% CI 0.80 to 1.00), respectively. This meta-analysis did not show any relationship between the prevalence of T. gondii infection and ABO blood groups.
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Affiliation(s)
- Tooran Nayeri
- Department of Parasitology, School of Medicine, Mazandaran University of Medical Sciences, Sari, 48168-95475, Iran
| | - Mahmood Moosazadeh
- Gastrointestitional Cancer Research Center, Non-communicable Disease Institute, Mazandaran University of Medical Sciences, Sari, 48168-95475, Iran
| | - Abdolhossein Dalimi Asl
- Department of Parasitology and Entomology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, 14115-331, Iran
| | - Fatemeh Ghaffarifar
- Department of Parasitology and Entomology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, 14115-331, Iran
| | - Shahabeddin Sarvi
- Department of Parasitology, School of Medicine, Mazandaran University of Medical Sciences, Sari, 48168-95475, Iran
- Toxoplasmosis Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, 48168-95475, Iran
| | - Ahmad Daryani
- Department of Parasitology, School of Medicine, Mazandaran University of Medical Sciences, Sari, 48168-95475, Iran
- Toxoplasmosis Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, 48168-95475, Iran
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Wang X, Qu L, Chen J, Jin Y, Hu K, Zhou Z, Zhang J, An Y, Zheng J. Toxoplasma rhoptry proteins that affect encephalitis outcome. Cell Death Discov 2023; 9:439. [PMID: 38049394 PMCID: PMC10696021 DOI: 10.1038/s41420-023-01742-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 11/07/2023] [Accepted: 11/23/2023] [Indexed: 12/06/2023] Open
Abstract
Toxoplasma gondii, a widespread obligate intracellular parasite, can infect almost all warm-blooded animals, including humans. The cellular barrier of the central nervous system (CNS) is generally able to protect the brain parenchyma from infectious damage. However, T. gondii typically causes latent brain infections in humans and other vertebrates. Here, we discuss how T. gondii rhoptry proteins (ROPs) affect signaling pathways in host cells and speculate how this might affect the outcome of Toxoplasma encephalitis.
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Affiliation(s)
- Xinlei Wang
- Department of Clinical Laboratory, The Second Hospital of Jilin University, Changchun, 130021, China
| | - Lai Qu
- Department of Intensive Care Unit, First Hospital of Jilin University, Changchun, 130021, China
| | - Jie Chen
- Institute of Theoretical Chemistry, Jilin University, Changchun, 130021, China
| | - Yufen Jin
- Department of Clinical Laboratory, The Second Hospital of Jilin University, Changchun, 130021, China
| | - Kaisong Hu
- Department of Pathogenobiology, College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
| | - Zhengjie Zhou
- Department of Pathogenobiology, College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
| | - Jiaqi Zhang
- Department of Pathogenobiology, College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
| | - Yiming An
- Department of Pathogenobiology, College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
| | - Jingtong Zheng
- Department of Pathogenobiology, College of Basic Medical Sciences, Jilin University, Changchun, 130021, China.
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Abd El-Latif NF, Salem AI, Sadek NA, Salah SAM, Shalaby DG, Elhadad H. Serological and molecular detection of Toxoplasma gondii in ß. thalassemia patients. J Parasit Dis 2023; 47:778-786. [PMID: 38009154 PMCID: PMC10667183 DOI: 10.1007/s12639-023-01624-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 07/28/2023] [Indexed: 09/02/2023] Open
Abstract
Toxoplasma gondii is a worldwide opportunistic protozoan causing life-threatening infection in immunocompromised patients, while frequently asymptomatic in immunocompetent individuals. The current study aimed to detect T. gondii; serologically and molecularly in ß. thalassemia patients and evaluate the association of infection with some hematological parameters in these patients. Blood samples were collected from 100 ß. thalassemia patients. Serological diagnosis of T. gondii using ELISA for IgG and IgM antibodies was performed. Molecular diagnosis by Real-Time (RE) PCR was performed using specifically designed primers amplifying 389 bp fragments of Toxoplasma genome. 45 patients (45%) had anti-Toxoplasma IgG antibodies with no detectable IgM antibodies while both anti-Toxoplasma IgM and IgG antibodies were noticed in 10 patients (10%). IgM only antibodies were discovered in two cases (2%). The total seropositivity rate among patients was 57%. RE PCR analysis revealed Toxoplasma DNA in 20% out of 100 patients. PCR and serological examination showed slight agreement. A statistically significant relation was observed between the results of IgG and IgM ELISA and PCR for the detection of T. gondii infection among patients with ß. thalassemia. None of the studied risk factors (age, gender, contact with cats, consumption of undercooked meat) or hematological parameters (ESR, anemia degree, ferritin level, type of blood transfusion, spleen status) showed statistically significant association with Toxoplasma infection. It can be concluded that patients with thalassemia have a high risk of infection with T. gondii. RE PCR should be used as a diagnostic method in association with serology especially in immunocompromised patients to increase sensitivity.
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Affiliation(s)
| | - Aziza Ibrahim Salem
- Department of Parasitology, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - Nadia Aly Sadek
- Department of Haematology, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - Sally A. M. Salah
- Department of Haematology, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | | | - Heba Elhadad
- Department of Parasitology, Medical Research Institute, Alexandria University, Alexandria, Egypt
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Belkacemi M, Merbouh MA. Seroprevalence of Human Immunodeficiency Virus, Hepatitis C Virus, and Hepatitis B Virus Among Blood Donors in Sidi Bel Abbes, West Algeria. Cureus 2023; 15:e47066. [PMID: 38022198 PMCID: PMC10644989 DOI: 10.7759/cureus.47066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/13/2023] [Indexed: 12/01/2023] Open
Abstract
Introduction Blood transfusions can transmit various viruses. Among them, the most common are hepatitis B virus (HBV), hepatitis C virus (HCV), and human immunodeficiency virus (HIV). These viruses can cause fatal and life-threatening diseases. Worldwide, many people are infected with these viruses. Blood safety has made major progress in recent years. Yet, blood-borne viruses continue to be a major concern for patients, physicians, and policymakers. The aim of this study was to assess the prevalence of HIV, HBV, and HCV in blood donors. Methods A cross-sectional study was performed to assess HIV, HBV, and HCV seropositivity in blood donors. This research was carried out at the blood bank of Sidi Bel Abbes University Hospital. This was a retrospective study based on records of blood donors. All data of 10,386 donors were analyzed from January 2015 to December 2015. Biological screening was performed by enzyme-linked immunosorbent assay (ELISA) using antibodies and/or antigens. The combined HCV and HIV antigen and antibody ELISA test was utilized. To confirm the results, the blood bank and the virology laboratory used the same technique in duplicate. Results The overall seroprevalence of blood-borne viral infections (HIV, HBV, and HCV) in blood donors was 0.8%. The prevalence of HIV was found to be 0.1%, while the prevalence of HBV and HCV was 0.4%. Coinfection was rare with only one case of HBV with HIV. There was a significant difference in seroprevalence rates among blood donors compared to the general population. Significant variations were observed between the prevalence of this study and those conducted in West, East, Central, and South African countries but not with those of neighboring North African countries. The study found no association between seropositivity in blood donors and factors like age, gender, donor status, type of donation, or site. Besides, HIV, HBV, or HCV prevalence was not influenced by ABO and Rhesus blood group. Conclusion The study showed that blood donors in Algeria have a lower prevalence of blood-borne viral infections than the general population. The seropositivity rate of viral markers was similar throughout North African countries. This rate remained low compared to other African countries. Residual risk of infection persists. There is a need to increase blood safety for recipients. This report is the first comprehensive overview of blood-borne viruses among Algerian blood donors. There is a need for further nationwide studies to get a whole picture of the situation.
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Affiliation(s)
- Malika Belkacemi
- Hemobiology and Blood Transfusion, University Hospital Establishment of Oran, Oran, DZA
- Medicine, Oran 1 University, Oran, DZA
| | - Mohammed Amine Merbouh
- Epidemiology and Preventive Diseases, Hassani Abdelkader University Hospital, Sidi Bel Abbes, DZA
- Medicine, Djilali Liabès University, Sidi Bel Abbes, DZA
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Wesołowski R, Pawłowska M, Mila-Kierzenkowska C. The Medical Relevance of Toxoplasma Infections in Terms of the Safety of Blood Recipients under Immunosuppression-A Meta-Analysis. Microorganisms 2023; 11:1980. [PMID: 37630541 PMCID: PMC10458665 DOI: 10.3390/microorganisms11081980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 07/25/2023] [Accepted: 07/31/2023] [Indexed: 08/27/2023] Open
Abstract
Laboratory diagnosis of Toxoplasma gondii infection plays a crucial role in ensuring the safety of blood recipients, especially in the case of immunosuppressed people, such as organ transplant patients. Toxoplasmosis, caused by the parasite Toxoplasma gondii, is a potential threat to people with weakened immune systems, and blood transfusions from infected donors can lead to severe complications. In this publication, we analyze the medical relevance of Toxoplasma infection in the context of the safety of blood recipients, focusing on the immunosuppressed patient population. We present various diagnostic methods, such as serological, molecular, and microscopic tests, which can detect the presence of Toxoplasma gondii in donors' blood. We also discuss the importance of adequately interpreting diagnostic results, considering risk factors, and detectability of the infection. We pay special attention to high-sensitivity and -specificity diagnostic techniques, which allow us to minimize the risk of Toxoplasma gondii transmission to blood recipients. Our findings have important implications for clinical practice and organ transplantation guidelines, emphasizing the need to diagnose and monitor Toxoplasma infections in blood donors and recipients.
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Affiliation(s)
| | | | - Celestyna Mila-Kierzenkowska
- Department of Medical Biology and Biochemistry, Faculty of Medicine, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland; (R.W.); (M.P.)
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