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Olivo-Freites C, Sy H, Cardenas-Alvarez J, Vega-Batista F, Henao-Martínez AF. Trypanosoma cruzi Central Nervous System Infection-Pathogenesis, Clinical Manifestations, Diagnosis, and Treatment. CURRENT TROPICAL MEDICINE REPORTS 2023; 10:186-198. [PMID: 38983718 PMCID: PMC11233130 DOI: 10.1007/s40475-023-00300-0] [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] [Accepted: 10/03/2023] [Indexed: 07/11/2024]
Abstract
Purpose of Review Chagas disease (CD) is a neglected tropical disease from the American continent that commonly causes cardiovascular disease. Some patients develop neurological manifestations. We discuss and summarize the pathogenesis, clinical characteristics, diagnosis, and treatment of the central nervous system manifestations of CD. Recent Findings Cerebrospinal fluid quantitative polymerase chain reaction tests and next-generation sequencing in tissue samples have facilitated disease diagnosis and follow-up. Novel presentations, including retinitis, are now reported. A new MRI sign called "Bunch of açai berries appearance"-multiple hypointense nodular lesions-has been described recently. Treatment with benznidazole at higher doses and the role of therapeutic drug monitoring need to be further studied in this setting. Summary A high suspicion index is paramount to diagnosing Chagas' central nervous system involvement. Standardized molecular diagnostics can aid in the initial workup. Future development of new therapeutic drugs is crucial because of the toxicity profile of the currently available medications.
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Affiliation(s)
| | - Hendrik Sy
- Division of Infectious Disease, Montefiore Medical Center/Albert Einstein College of Medicine, Bronx, NY, USA
| | - Jorge Cardenas-Alvarez
- Department of Medicine, Division of Infectious Disease, Columbia University Irving Medical Center, New York, NY 10032, USA
| | | | - Andrés F Henao-Martínez
- Department of Medicine, Division of Infectious Diseases, University of Colorado Anschutz Medical Campus, 12700 E. 19th Avenue, Mail Stop B168, Aurora, CO, USA
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Añez N, Crisante G. The tissue specific tropism in Trypanosoma cruzi. Is it true? Acta Trop 2021; 213:105736. [PMID: 33159898 DOI: 10.1016/j.actatropica.2020.105736] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 09/15/2020] [Accepted: 10/14/2020] [Indexed: 10/23/2022]
Abstract
Systematic microscopical observations on tissues from mice, inoculated with different Trypanosoma cruzi isolates, were carried out in order to assess whether the parasite expresses tissue-specific tropism, or if it can invade tissues pervasively within the mammal host. A total of ninety mice were included in the study. Sixty, subcutaneously-inoculated with 15 × 104T. cruzi-blood trypomastigotes were dissected and examined daily for detecting and counting parasites during 12 days of acute infection. Additionally, two long-term experiments using mice inoculated with 5 × 103 metacyclic-forms were performed. A group of 10 mice inoculated intraperitoneally and another group of 20 mice inoculated intradermally. Results demonstrated that T. cruzi does not exhibit a tissue-specific tropism, revealing characteristics of a paninfective species able to invade tissues of ectodermal, mesodermal, and endodermal embryonic origin, irrespective of the parasite's lineage, infective form, route of entry, or size of the inoculum causing the host's infection. Details on T. cruzi-tissue invasion, tissue-parasite load during the course time, and the hypothetical potential pseudocyst/amastigote whole-body burden in the murine model is analyzed. The importance of the findings and its interpretation related to human Chagas disease and the tissue-parasite persistence is also discussed.
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Sereno D, Akhoundi M, Sayehmri K, Mirzaei A, Holzmuller P, Lejon V, Waleckx E. Noninvasive Biological Samples to Detect and Diagnose Infections due to Trypanosomatidae Parasites: A Systematic Review and Meta-Analysis. Int J Mol Sci 2020; 21:E1684. [PMID: 32121441 PMCID: PMC7084391 DOI: 10.3390/ijms21051684] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 02/24/2020] [Accepted: 02/25/2020] [Indexed: 12/24/2022] Open
Abstract
Unicellular eukaryotes of the Trypanosomatidae family include human and animal pathogens that belong to the Trypanosoma and Leishmania genera. Diagnosis of the diseases they cause requires the sampling of body fluids (e.g., blood, lymph, peritoneal fluid, cerebrospinal fluid) or organ biopsies (e.g., bone marrow, spleen), which are mostly obtained through invasive methods. Body fluids or appendages can be alternatives to these invasive biopsies but appropriateness remains poorly studied. To further address this question, we perform a systematic review on clues evidencing the presence of parasites, genetic material, antibodies, and antigens in body secretions, appendages, or the organs or proximal tissues that produce these materials. Paper selection was based on searches in PubMed, Web of Science, WorldWideScience, SciELO, Embase, and Google. The information of each selected article (n = 333) was classified into different sections and data were extracted from 77 papers. The presence of Trypanosomatidae parasites has been tracked in most of organs or proximal tissues that produce body secretions or appendages, in naturally or experimentally infected hosts. The meta-analysis highlights the paucity of studies on human African trypanosomiasis and an absence on animal trypanosomiasis. Among the collected data high heterogeneity in terms of the I2 statistic (100%) is recorded. A high positivity is recorded for antibody and genetic material detection in urine of patients and dogs suffering leishmaniasis, and of antigens for leishmaniasis and Chagas disease. Data on conjunctival swabs can be analyzed with molecular methods solely for dogs suffering canine visceral leishmaniasis. Saliva and hair/bristles showed a pretty good positivity that support their potential to be used for leishmaniasis diagnosis. In conclusion, our study pinpoints significant gaps that need to be filled in order to properly address the interest of body secretion and hair or bristles for the diagnosis of infections caused by Leishmania and by other Trypanosomatidae parasites.
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Affiliation(s)
- Denis Sereno
- Institut de Recherche pour le Dévelopement, Université de Montpellier, UMR INTERTRYP IRD, CIRAD, 34032 Montpellier, France; (V.L.); (E.W.)
- Institut de Recherche pour le Dévelopement, Université de Montpellier, UMR MIVEGEC IRD, CNRS, 34032 Montpellier, France
| | - Mohammad Akhoundi
- Parasitology-Mycology Department, Avicenne Hospital, AP-HP, 93000 Bobigny, France;
| | - Kourosh Sayehmri
- Psychosocial Injuries Research Center, Department of Biostatistics, Ilam University of Medical Sciences, Ilam 6931851147, Iran;
| | - Asad Mirzaei
- Parasitology Department, Paramedical School, Ilam University of Medical Sciences, Ilam 6931851147, Iran;
- Zoonotic Diseases Research Center, Ilam University of Medical Sciences, Ilam 6931851147, Iran
| | - Philippe Holzmuller
- CIRAD, UMR ASTRE “Animal, Santé, Territoires, Risques et Ecosystèmes”, F-34398 Montpellier, France;
- ASTRE, CIRAD, INRAE, Université de Montpellier (I-MUSE), 34000 Montpellier, France
| | - Veerle Lejon
- Institut de Recherche pour le Dévelopement, Université de Montpellier, UMR INTERTRYP IRD, CIRAD, 34032 Montpellier, France; (V.L.); (E.W.)
| | - Etienne Waleckx
- Institut de Recherche pour le Dévelopement, Université de Montpellier, UMR INTERTRYP IRD, CIRAD, 34032 Montpellier, France; (V.L.); (E.W.)
- Centro de Investigaciones Regionales «Dr Hideyo Noguchi», Universidad autònoma de yucatán, Merida, Yucatán 97000, Mexico
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Bern C, Messenger LA, Whitman JD, Maguire JH. Chagas Disease in the United States: a Public Health Approach. Clin Microbiol Rev 2019; 33:e00023-19. [PMID: 31776135 PMCID: PMC6927308 DOI: 10.1128/cmr.00023-19] [Citation(s) in RCA: 131] [Impact Index Per Article: 26.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Trypanosoma cruzi is the etiological agent of Chagas disease, usually transmitted by triatomine vectors. An estimated 20 to 30% of infected individuals develop potentially lethal cardiac or gastrointestinal disease. Sylvatic transmission cycles exist in the southern United States, involving 11 triatomine vector species and infected mammals such as rodents, opossums, and dogs. Nevertheless, imported chronic T. cruzi infections in migrants from Latin America vastly outnumber locally acquired human cases. Benznidazole is now FDA approved, and clinical and public health efforts are under way by researchers and health departments in a number of states. Making progress will require efforts to improve awareness among providers and patients, data on diagnostic test performance and expanded availability of confirmatory testing, and evidence-based strategies to improve access to appropriate management of Chagas disease in the United States.
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Affiliation(s)
- Caryn Bern
- University of California San Francisco School of Medicine, San Francisco, California, USA
| | | | - Jeffrey D Whitman
- University of California San Francisco School of Medicine, San Francisco, California, USA
| | - James H Maguire
- Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
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Conrady CD, Hanson KE, Mehra S, Carey A, Larochelle M, Shakoor A. The First Case of Trypanosoma cruzi-Associated Retinitis in an Immunocompromised Host Diagnosed With Pan-Organism Polymerase Chain Reaction. Clin Infect Dis 2019; 67:141-143. [PMID: 29385482 DOI: 10.1093/cid/ciy058] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 01/23/2018] [Indexed: 11/14/2022] Open
Abstract
We report the first case of Trypanosoma cruzi-associated retinitis diagnosed using 28s ribosomal DNA sequencing. The case highlights the utility of broad-range molecular diagnostics for detecting rare and unsuspected ocular pathogens. Ocular involvement in Chagas disease is also discussed.
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Affiliation(s)
- Christopher D Conrady
- Department of Ophthalmology, John A. Moran Eye Center, University of Utah, Salt Lake City
| | - Kimberly E Hanson
- Department of Medicine, Division of Adult Infectious Diseases, University of Utah, Salt Lake City
| | - Sonia Mehra
- Department of Pediatrics, Division of Pediatric Infectious Diseases, University of Utah, Salt Lake City
| | - Adrienne Carey
- Department of Medicine, Division of Adult Infectious Diseases, University of Utah, Salt Lake City
| | - Marissa Larochelle
- Department of Ophthalmology, John A. Moran Eye Center, University of Utah, Salt Lake City
| | - Akbar Shakoor
- Department of Ophthalmology, John A. Moran Eye Center, University of Utah, Salt Lake City
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Urdaneta-Morales S. Chagas' disease: an emergent urban zoonosis. The caracas valley (Venezuela) as an epidemiological model. Front Public Health 2014; 2:265. [PMID: 25520950 PMCID: PMC4252636 DOI: 10.3389/fpubh.2014.00265] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2014] [Accepted: 11/14/2014] [Indexed: 01/10/2023] Open
Abstract
The unprecedented emergence of important public health and veterinary zoonoses is usually a result of exponential population growth and globalization of human activities. I characterized Chagas’ disease as an emergent zoonosis in the Caracas Valley (Venezuela) due to the following findings: the presence of reservoirs (Didelphis marsupialis, Rattus rattus) and vectors (Panstrongylus geniculatus, Panstrongylus rufotuberculatus) infected with Trypanosoma cruzi in urbanized or marginalized areas; the elevated contact between P. geniculatus and human beings detected by parasitological and molecular examinations of triatomine feces demonstrated the possibility of transmission risks; a study of outbreaks of urban Chagas’ disease reported the first proven case of oral transmission of T. cruzi to human beings; the risk of transmission of glandular metacyclic stages from marsupials by experimental ocular and oral instillation; mice genitalia infected with T. cruzi contaminated blood resulted in the formation of amastigotes very close to the lumen suggesting that there may be a possibility of infection via their release into the urine and thence to the exterior; the ubiquitous histotropism and histopathology of T. cruzi was demonstrated using a mouse model; the presence of experimental T. cruzi pseudocysts in adipose, bone-cartilage, and eye tissue indicated a potential risk for transplants. Socio-sanitary programs that include improvements in housing, vector control, and access to medical treatment, as well as strategies aimed at combating social inequalities, poverty, and underdevelopment should be undertaken in those areas where zoonoses are most prevalent. Disciplines, such as Ecology, Epidemiology, Medical Entomology, Human and Veterinary Medicine, Environmental Studies, Public Health, Social and Political Studies, Immunology, Microbiology, and Pharmacology could all provide important contributions that aim to reduce the occurrence of factors governing the spread of emergent diseases.
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Affiliation(s)
- Servio Urdaneta-Morales
- Laboratory for the Biology of Vectors and Parasites, Tropical Zoology and Ecology Institute, Central University of Venezuela , Caracas , Venezuela
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Eye banking and corneal transplantation communicable adverse incidents: current status and project NOTIFY. Cornea 2014; 32:1155-66. [PMID: 23676781 DOI: 10.1097/ico.0b013e31828f9d64] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE Evidence of the transmission of disease via donor ocular tissue has been demonstrated for adenocarcinoma, rabies, hepatitis B virus, cytomegalovirus, herpes simplex virus, Creutzfeldt-Jakob disease, and a variety of bacterial and fungal infections. METHODS Although there is no evidence to date of disease transmission for HIV infection, syphilis, hepatitis C, hepatitis A, tuberculosis, HTLV-1 and -2 infection, active leprosy, active typhoid, smallpox, and active malaria, these entities remain contraindications for transplantation for all eye banks nationally and internationally. The potential sources of contamination include infected donors, during the process of removing tissue from cadaveric donors, the processing environment, and contaminated supplies and reagents used during processing. The transmissions of Herpes simplex virus and HSV via corneal graft have been shown to be responsible for primary graft failure. HSV-1 may also be an important cause of PFG. RESULTS The long latency period of some diseases, the emergence of new infectious disease, and the reemergence of others emphasize the need for long-term record maintenance and effective tracing capabilities. CONCLUSIONS The standardization of definitions for adverse events and reactions will be necessary to support the prevention and transmission of disease. International classification of a unique identification system for donors will be increasingly important for vigilance and traceability in cross-national exportation of human cells, tissues, and cellular- and tissue-based products. Opportunities for continuous improvement exist as does the need for constant vigilance and surveillance.
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Trypanosoma cruzi: experimental parasitism in the central nervous system of albino mice. Parasitol Res 2012; 111:2099-107. [DOI: 10.1007/s00436-012-3057-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2012] [Accepted: 07/17/2012] [Indexed: 10/28/2022]
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Abstract
Parasitic infections are an uncommon but potentially severe complication in solid organ transplant (SOT) recipients. An increase in donors who have emigrated from tropical areas and more transplant recipients traveling to endemic areas have led to a rise in parasitic infections reported among SOT recipients. Clinicians should include these infections in their differential diagnosis and promote adherence to preventive measures in SOT recipients.
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Ashton AW, Mukherjee S, Nagajyothi FNU, Huang H, Braunstein VL, Desruisseaux MS, Factor SM, Lopez L, Berman JW, Wittner M, Scherer PE, Capra V, Coffman TM, Serhan CN, Gotlinger K, Wu KK, Weiss LM, Tanowitz HB. Thromboxane A2 is a key regulator of pathogenesis during Trypanosoma cruzi infection. ACTA ACUST UNITED AC 2007; 204:929-40. [PMID: 17420269 PMCID: PMC2118547 DOI: 10.1084/jem.20062432] [Citation(s) in RCA: 72] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Chagas' disease is caused by infection with the parasite Trypanosoma cruzi. We report that infected, but not uninfected, human endothelial cells (ECs) released thromboxane A(2) (TXA(2)). Physical chromatography and liquid chromatography-tandem mass spectrometry revealed that TXA(2) is the predominant eicosanoid present in all life stages of T. cruzi. Parasite-derived TXA(2) accounts for up to 90% of the circulating levels of TXA(2) in infected wild-type mice, and perturbs host physiology. Mice in which the gene for the TXA(2) receptor (TP) has been deleted, exhibited higher mortality and more severe cardiac pathology and parasitism (fourfold) than WT mice after infection. Conversely, deletion of the TXA(2) synthase gene had no effect on survival or disease severity. TP expression on somatic cells, but not cells involved in either acquired or innate immunity, was the primary determinant of disease progression. The higher intracellular parasitism observed in TP-null ECs was ablated upon restoration of TP expression. We conclude that the host response to parasite-derived TXA(2) in T. cruzi infection is possibly an important determinant of mortality and parasitism. A deeper understanding of the role of TXA(2) may result in novel therapeutic targets for a disease with limited treatment options.
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Affiliation(s)
- Anthony W Ashton
- Department of Medicine, Divisions of Cardiology and Infectious Disease, Albert Einstein College of Medicine, Bronx, NY 10461, USA
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