Search Results - "Balcells, Maria Elvira"

Reduced microbial diversity of the nasopharyngeal microbiome in household contacts with latent tuberculosis infection by Ruiz-Tagle, Cinthya, Ugalde, Juan A., Naves, Rodrigo, Araos, Rafael, García, Patricia, Balcells, María Elvira

“…The upper respiratory tract is an obliged pathway for respiratory pathogens and a healthy microbiota may support the host's mucosal immunity preventing…”
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Evaluation of concordance of new QuantiFERON-TB Gold Plus platforms for Mycobacterium tuberculosis infection diagnosis in a prospective cohort of household contacts by Ruiz-Tagle, Cinthya, García, Patricia, Hernández, Mariluz, Balcells, María Elvira

“…Interferon-gamma (IFN-γ) release assays play a pivotal role in tuberculosis infection (TBI) diagnosis, with QuantiFERON-TB Gold Plus-an enzyme-linked…”
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A first insight on the population structure of Mycobacterium tuberculosis complex as studied by spoligotyping and MIRU-VNTRs in Santiago, Chile by Balcells, María Elvira, García, Patricia, Meza, Paulina, Peña, Carlos, Cifuentes, Marcela, Couvin, David, Rastogi, Nalin

“…Tuberculosis (TB) remains a significant public health problem worldwide, but the ecology of the prevalent mycobacterial strains, and their transmission, can…”
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Differential levels of anti-Mycobacterium tuberculosis-specific IgAs in saliva of household contacts with latent tuberculosis infection by Ruiz-Tagle, Cinthya, Naves, Rodrigo, García, Patricia, Günther, Anna, Schneiderhan-Marra, Nicole, Balcells, María Elvira

“…IntroductionMucosal immunity is strongly elicited in early stages of many respiratory and enteric infections; however, its role in tuberculosis pathogenesis…”
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Unraveling the Role of MicroRNAs in Mycobacterium tuberculosis Infection and Disease: Advances and Pitfalls by Ruiz-Tagle, Cinthya, Naves, Rodrigo, Balcells, María Elvira

“…Tuberculosis (TB) is an infectious disease of extremely high epidemiological burden worldwide that is easily acquired through the inhalation of infected…”
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A comparative study of two different methods for the detection of latent tuberculosis in HIV-positive individuals in Chile by Balcells, María Elvira, Pérez, Carlos M, Chanqueo, Leonardo, Lasso, Martín, Villanueva, Marcela, Espinoza, Mónica, Villarroel, Luis, García, Patricia

“…Summary Objective To compare the performance of two tests for diagnosing latent tuberculosis (TB) infection in the HIV-positive population in Chile, in order…”
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Microbiome Changes during Tuberculosis and Antituberculous Therapy by Hong, Bo-Young, Maulén, Nancy Paula, Adami, Alexander J, Granados, Hector, Balcells, María Elvira, Cervantes, Jorge

“…The critical role of commensal microbiota in the human body has been increasingly recognized, and our understanding of its implications in human health and…”
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Vitamin D and cathelicidin levels and susceptibility to Mycobacterium tuberculosis infection acquisition in household contacts by Ruiz-Tagle, Cinthya, Romero, Francisco, Naves, Rodrigo, Balcells, María Elvira

“…Vitamin D deficiency has been proposed to confer susceptibility to acquiring tuberculosis infection by impairing the innate immune response. In an exploratory…”
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The lung microbiome, vitamin D, and the tuberculous granuloma: A balance triangle by Balcells, María Elvira, Yokobori, Noemí, Hong, Bo-young, Corbett, John, Cervantes, Jorge

“…Mycobacterium tuberculosis (Mtb) has the extraordinary ability to persist for decades within granulomas in the human host. These histopathological structures…”
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Diagnostic performance of GM-CSF and IL-2 in response to long-term specific-antigen cell stimulation in patients with active and latent tuberculosis infection by Balcells, María Elvira, Ruiz-Tagle, Cinthya, Tiznado, Camila, García, Patricia, Naves, Rodrigo

“…A simple blood test for detecting active tuberculosis (TB) could be key to this epidemic containment, given that a large proportion of patients are unable to…”
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Rare Mycobacteria and HIV in Children: Two Case Reports by Johnson, Sarah M., Piñera, Cecilia, Whittaker, Elizabeth, Kirkhope, Natalie, Kon, Onn M., Satta, Giovanni, Balcells, Maria Elvira, Foster, Caroline

“…Initial investigations showed a raised C-reactive protein (CRP), leukopenia with lymphopenia, anaemia, hypergammaglobulinemia and hypoalbuminemia (see Online…”
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Association of vitamin D deficiency, season of the year, and latent tuberculosis infection among household contacts by Balcells, María Elvira, García, Patricia, Tiznado, Camila, Villarroel, Luis, Scioscia, Natalia, Carvajal, Camila, Zegna-Ratá, Francesca, Hernández, Mariluz, Meza, Paulina, González, Luis F, Peña, Carlos, Naves, Rodrigo

“…Vitamin D (VD) enhances the immune response against Mycobacterium tuberculosis in vitro, and VD deficiency has been described in patients with active…”
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Isoniazid preventive therapy and risk for resistant tuberculosis by Balcells, Maria Elvira, Thomas, Sara L, Godfrey-Faussett, Peter, Grant, Alison D

“…In the context of tuberculosis (TB) resurgence, isoniazid preventive therapy (IPT) is increasingly promoted, but concerns about the risk for development of…”
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Insights into neutralizing antibody responses in individuals exposed to SARS-CoV-2 in Chile by Beltrán-Pavez, Carolina, Riquelme-Barrios, Sebastián, Oyarzún-Arrau, Aarón, Gaete-Argel, Aracelly, González-Stegmaier, Roxana, Cereceda-Solis, Karina, Aguirre, Adam, Travisany, Dante, Palma-Vejares, Ricardo, Barriga, Gonzalo P, Gaggero, Aldo, Martínez-Valdebenito, Constanza, Corre, Nicole Le, Ferrés, Marcela, Balcells, María Elvira, Fernandez, Jorge, Ramírez, Eugenio, Villarroel, Franz, Valiente-Echeverría, Fernando, Soto-Rifo, Ricardo

“…Chile has one of the worst numbers worldwide in terms of SARS-CoV-2 positive cases and COVID-19-related deaths per million inhabitants; thus, characterization…”
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Intra-amniotic Candida albicans Infection Treated With Liposomal Amphotericin B With a Successful Neonatal Outcome by Gutiérrez, Norma Urbano, Vergara López, María José, Bustos, Camila Álvarez, Vidal, Cristian Contreras, Carvajal, Jorge A, Severino, Nicolás, Giordano, Ady, Baquedano, Soledad Urzúa, Feuerhake, Teo, Rabagliati, Ricardo, Balcells, María Elvira

“…Intra-amniotic infection with species is an uncommon but severe condition with high fetal morbimortality and no established clinical guidelines for its…”
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Identification of mycobacteria species through mass spectrometry (MALDI-TOF) by Contreras, Samuel, Rodríguez, David, Vera, Francisco, Balcells, María Elvira, Celis, Luis, Legarraga, Paulette, Román, Juan Carlos, García, Patricia

“…BACKGROUNDMycobacterial diseases are very important both clinically and epidemiologically. Mycobacterium tuberculosis complex (MTBc) infections confer higher…”
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Systematic screening of adult household contacts of patients with active pulmonary tuberculosis reveals high rates of new infections during follow-up by Balcells, María Elvira, Carvajal, Camila, Fernández, Paula, Ruiz-Tagle, Cinthya, Pizarro, Alejandra, García, Patricia, Peña, Carlos, Cuevas, Gerardo, Naves, Rodrigo

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Barriers for research activities in residency programs: A mix-methods study by Merino, Tomas, Rojas, Viviana, Fuentes-López, Eduardo, Sánchez, Cesar, Pizarro, Margarita, Fuentes-Cimma, Javiera, Cifuentes, Lorena, Cuello, Mauricio, Carvajal, Jorge, Balcells, Maria Elvira, Riquelme, Arnoldo

“…Introduction: Research activities have a positive impact on the performance of residents. However, information on research conducted by residents from…”
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SARS-CoV-2 infectivity and antigenic evasion: spotlight on isolated Omicron sub-lineages by Barrera, Aldo, Martínez-Valdebenito, Constanza, Angulo, Jenniffer, Palma, Carlos, Hormazábal, Juan, Vial, Cecilia, Aguilera, Ximena, Castillo-Torres, Pablo, Pardo-Roa, Catalina, Balcells, María Elvira, Nervi, Bruno, Corre, Nicole Le, Ferrés, Marcela

“…Since the SARS-CoV-2 outbreak in 2019, a diversity of viral genomic variants has emerged and spread globally due to increased transmissibility, pathogenicity,…”
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Pseudo‐outbreak of Ochrobactrum anthropi Bacteremia Related to Cross‐Contamination From Erythrocyte Sedimentation Tubes by Labarca, Jaime A., Garcia, Patricia, Balcells, María Elvira, Cerda, Gabriela de la, Salinas, Ana María, Román, Juan Carlos, Guzmán, Ana María, Pérez, Carlos M.

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