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Perrone AE, Pinillo M, Rial MS, Fernández M, Milduberger N, González C, Bustos PL, Fichera LE, Laucella SA, Albareda MC, Bua J. Trypanosoma cruzi Secreted Cyclophilin TcCyP19 as an Early Marker for Trypanocidal Treatment Efficiency. Int J Mol Sci 2023; 24:11875. [PMID: 37569250 PMCID: PMC10418876 DOI: 10.3390/ijms241511875] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/06/2023] [Accepted: 07/12/2023] [Indexed: 08/13/2023] Open
Abstract
Cyclophilins (CyPs) are a family of enzymes involved in protein folding. Trypanosoma cruzi, the causative agent of Chagas disease, has a 19-kDa cyclophilin, TcCyP19, that was found to be secreted in parasite stages of the CL Brener clone and recognized by sera from T. cruzi-infected mice and patients. The levels of specific antibodies against TcCyP19 in T. cruzi-infected mice and subjects before and after drug treatment were measured by an in-house enzyme linked immunosorbent assay (ELISA). Mice in the acute and chronic phase of infection, with successful trypanocidal treatments, showed significantly lower anti-TcCyP19 antibody levels than untreated mice. In children and adults chronically infected with T. cruzi, a significant decrease in the anti-TcCyP19 titers was observed after 12 months of etiological treatment. This decrease was maintained in adult chronic patients followed-up 30-38 months post-treatment. These results encourage further studies on TcCyP19 as an early biomarker of trypanocidal treatment efficiency.
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Affiliation(s)
- Alina E. Perrone
- Instituto Nacional de Parasitología Dr. Mario Fatala Chaben—ANLIS-Malbrán, Av. Paseo Colón 568, Buenos Aires 1063, Argentina; (A.E.P.); (M.P.); (M.S.R.); (M.F.); (N.M.); (C.G.); (P.L.B.); (L.E.F.); (S.A.L.); (M.C.A.)
| | - Mariana Pinillo
- Instituto Nacional de Parasitología Dr. Mario Fatala Chaben—ANLIS-Malbrán, Av. Paseo Colón 568, Buenos Aires 1063, Argentina; (A.E.P.); (M.P.); (M.S.R.); (M.F.); (N.M.); (C.G.); (P.L.B.); (L.E.F.); (S.A.L.); (M.C.A.)
| | - Marcela S. Rial
- Instituto Nacional de Parasitología Dr. Mario Fatala Chaben—ANLIS-Malbrán, Av. Paseo Colón 568, Buenos Aires 1063, Argentina; (A.E.P.); (M.P.); (M.S.R.); (M.F.); (N.M.); (C.G.); (P.L.B.); (L.E.F.); (S.A.L.); (M.C.A.)
| | - Marisa Fernández
- Instituto Nacional de Parasitología Dr. Mario Fatala Chaben—ANLIS-Malbrán, Av. Paseo Colón 568, Buenos Aires 1063, Argentina; (A.E.P.); (M.P.); (M.S.R.); (M.F.); (N.M.); (C.G.); (P.L.B.); (L.E.F.); (S.A.L.); (M.C.A.)
| | - Natalia Milduberger
- Instituto Nacional de Parasitología Dr. Mario Fatala Chaben—ANLIS-Malbrán, Av. Paseo Colón 568, Buenos Aires 1063, Argentina; (A.E.P.); (M.P.); (M.S.R.); (M.F.); (N.M.); (C.G.); (P.L.B.); (L.E.F.); (S.A.L.); (M.C.A.)
| | - Carolina González
- Instituto Nacional de Parasitología Dr. Mario Fatala Chaben—ANLIS-Malbrán, Av. Paseo Colón 568, Buenos Aires 1063, Argentina; (A.E.P.); (M.P.); (M.S.R.); (M.F.); (N.M.); (C.G.); (P.L.B.); (L.E.F.); (S.A.L.); (M.C.A.)
| | - Patricia L. Bustos
- Instituto Nacional de Parasitología Dr. Mario Fatala Chaben—ANLIS-Malbrán, Av. Paseo Colón 568, Buenos Aires 1063, Argentina; (A.E.P.); (M.P.); (M.S.R.); (M.F.); (N.M.); (C.G.); (P.L.B.); (L.E.F.); (S.A.L.); (M.C.A.)
- Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires 1063, Argentina
| | - Laura E. Fichera
- Instituto Nacional de Parasitología Dr. Mario Fatala Chaben—ANLIS-Malbrán, Av. Paseo Colón 568, Buenos Aires 1063, Argentina; (A.E.P.); (M.P.); (M.S.R.); (M.F.); (N.M.); (C.G.); (P.L.B.); (L.E.F.); (S.A.L.); (M.C.A.)
- Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires 1063, Argentina
| | - Susana A. Laucella
- Instituto Nacional de Parasitología Dr. Mario Fatala Chaben—ANLIS-Malbrán, Av. Paseo Colón 568, Buenos Aires 1063, Argentina; (A.E.P.); (M.P.); (M.S.R.); (M.F.); (N.M.); (C.G.); (P.L.B.); (L.E.F.); (S.A.L.); (M.C.A.)
- Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires 1063, Argentina
| | - María Cecilia Albareda
- Instituto Nacional de Parasitología Dr. Mario Fatala Chaben—ANLIS-Malbrán, Av. Paseo Colón 568, Buenos Aires 1063, Argentina; (A.E.P.); (M.P.); (M.S.R.); (M.F.); (N.M.); (C.G.); (P.L.B.); (L.E.F.); (S.A.L.); (M.C.A.)
- Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires 1063, Argentina
| | - Jacqueline Bua
- Instituto Nacional de Parasitología Dr. Mario Fatala Chaben—ANLIS-Malbrán, Av. Paseo Colón 568, Buenos Aires 1063, Argentina; (A.E.P.); (M.P.); (M.S.R.); (M.F.); (N.M.); (C.G.); (P.L.B.); (L.E.F.); (S.A.L.); (M.C.A.)
- Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires 1063, Argentina
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Candia-Puma MA, Machaca-Luque LY, Roque-Pumahuanca BM, Galdino AS, Giunchetti RC, Coelho EAF, Chávez-Fumagalli MA. Accuracy of Diagnostic Tests for the Detection of Chagas Disease: A Systematic Review and Meta-Analysis. Diagnostics (Basel) 2022; 12:2752. [PMID: 36359595 PMCID: PMC9689806 DOI: 10.3390/diagnostics12112752] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/03/2022] [Accepted: 11/04/2022] [Indexed: 11/02/2023] Open
Abstract
The present systematic review and meta-analysis about the accuracy of diagnostic tests aim to describe the findings of literature over the last thirty years for the diagnosis of Chagas disease (CD). This work aimed to determine the accuracy of diagnostic techniques for CD in the disease's acute and chronic phases. The PubMed database was searched for studies published between 1990 and 2021 on CD diagnostics. Fifty-six published studies that met the criteria were analyzed and included in the meta-analysis, evaluating diagnostic accuracy through sensitivity and specificity. For Enzyme-Linked Immunosorbent Assay (ELISA), Fluorescent Antibody Technique (IFAT), Hemagglutination Test (HmT), Polymerase Chain Reaction (PCR), and Real-Time Polymerase Chain Reaction (qPCR) diagnosis methods, the sensitivity had a median of 99.0%, 78.0%, 75.0%, 76.0%, and 94.0%, respectively; while specificity presented a median of 99.0%, 99.0%, 99.0%, 98.0%, and 98.0%, respectively. This meta-analysis showed that ELISA and qPCR techniques had a higher performance compared to other methods of diagnosing CD in the chronic and acute phases, respectively. It was concluded utilizing the Area Under the Curve restricted to the false positive rates (AUCFPR), that the ELISA diagnostic test presents the highest performance in diagnosing acute and chronic CD, compared to serological and molecular tests. Future studies focusing on new CD diagnostics approaches should be targeted.
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Affiliation(s)
- Mayron Antonio Candia-Puma
- Computational Biology and Chemistry Research Group, Vicerrectorado de Investigación, Universidad Católica de Santa María, Arequipa 04000, Peru
- Facultad de Ciencias Farmacéuticas, Bioquímicas y Biotecnológicas, Universidad Católica de Santa María, Arequipa 04000, Peru
| | - Laura Yesenia Machaca-Luque
- Computational Biology and Chemistry Research Group, Vicerrectorado de Investigación, Universidad Católica de Santa María, Arequipa 04000, Peru
- Facultad de Ciencias Farmacéuticas, Bioquímicas y Biotecnológicas, Universidad Católica de Santa María, Arequipa 04000, Peru
| | - Brychs Milagros Roque-Pumahuanca
- Computational Biology and Chemistry Research Group, Vicerrectorado de Investigación, Universidad Católica de Santa María, Arequipa 04000, Peru
- Facultad de Ciencias Farmacéuticas, Bioquímicas y Biotecnológicas, Universidad Católica de Santa María, Arequipa 04000, Peru
| | - Alexsandro Sobreira Galdino
- Laboratório de Biotecnologia de Microrganismos, Universidade Federal São João Del-Rei, Divinópolis 35501-296, MG, Brazil
| | - Rodolfo Cordeiro Giunchetti
- Laboratório de Biologia das Interações Celulares, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
- Instituto Nacional de Ciência e Tecnologia em Doenças Tropicais, INCT-DT, Salvador 40015-970, BA, Brazil
| | - Eduardo Antonio Ferraz Coelho
- Programa de Pós-Graduação em Ciências da Saúde, Infectologia e Medicina Tropical, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
- Departamento de Patologia Clínica, COLTEC, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
| | - Miguel Angel Chávez-Fumagalli
- Computational Biology and Chemistry Research Group, Vicerrectorado de Investigación, Universidad Católica de Santa María, Arequipa 04000, Peru
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Vaccine Design against Chagas Disease Focused on the Use of Nucleic Acids. Vaccines (Basel) 2022; 10:vaccines10040587. [PMID: 35455336 PMCID: PMC9028413 DOI: 10.3390/vaccines10040587] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 04/02/2022] [Accepted: 04/04/2022] [Indexed: 02/04/2023] Open
Abstract
Chagas disease is caused by the protozoan Trypanosoma cruzi and is endemic to Central and South America. However, it has spread around the world and affects several million people. Treatment with currently available drugs cause several side effects and require long treatment times to eliminate the parasite, however, this does not improve the chronic effects of the disease such as cardiomyopathy. A therapeutic vaccine for Chagas disease may be able to prevent the disease and improve the chronic effects such as cardiomyopathy. This vaccine would be beneficial for both infected people and those which are at risk in endemic and non-endemic areas. In this article, we will review the surface antigens of T. cruzi, in order to choose those that are most antigenic and least variable, to design effective vaccines against the etiological agent of Chagas disease. Also, we discuss aspects of the design of nucleic acid-based vaccines, which have been developed and proven to be effective against the SARS-CoV-2 virus. The role of co-adjuvants and delivery carriers is also discussed. We present an example of a chimeric trivalent vaccine, based on experimental work, which can be used to design a vaccine against Chagas disease.
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Alonso-Padilla J, López MC, Esteva M, Zrein M, Casellas A, Gómez I, Granjon E, Méndez S, Benítez C, Ruiz AM, Sanz S, Gascón J, Thomas MC, Pinazo MJ, Abril M, de Noya BA, Jorge TA, Chatelain E, Grijalva MJ, Guhl F, Hasslocher-Moreno AM, Luquetti AO, Noya O, Ramsey JM, Ribeiro I, Longhi SA, Schijman AG, Sosa-Estani S, Torrico F, Viotti R. Serological reactivity against T. cruzi-derived antigens: Evaluation of their suitability for the assessment of response to treatment in chronic Chagas disease. Acta Trop 2021; 221:105990. [PMID: 34090864 DOI: 10.1016/j.actatropica.2021.105990] [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: 11/19/2020] [Revised: 05/20/2021] [Accepted: 05/26/2021] [Indexed: 10/21/2022]
Abstract
Chagas disease, caused by the protozoan Trypanosoma cruzi, affects more than 6 million people worldwide. Following a mostly asymptomatic acute phase, the disease progresses to a long-lasting chronic phase throughout which life-threatening disorders to the heart and/or gastrointestinal tract will manifest in about 30% of those chronically infected. During the chronic phase, the parasitemia is low and intermittent, while a high level of anti-T. cruzi antibodies persist for years. These two features hamper post-chemotherapeutic follow-up of patients with the tools available. The lack of biomarkers for timely assessment of therapeutic response discourages a greater use of the two available anti-parasitic drugs, and complicates the evaluation of new drugs in clinical trials. Herein, we investigated in a blinded case-control study the serological reactivity over time of a group of parasite-derived antigens to potentially address follow up of T. cruzi chronically infected subjects after treatment. We tested PFR2, KMP11, HSP70, 3973, F29 and the InfYnity multiplexed antigenic array, by means of serological assays on a multi-national retrospective collection of samples. Some of the antigens exhibited promising results, underscoring the need for further studies to determine their potential role as treatment response biomarkers.
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