BARBARA MARIA IANNI

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Instituto do Coração, Hospital das Clínicas, Faculdade de Medicina - Médico
LIM/11 - Laboratório de Cirurgia Cardiovascular e Fisiopatologia da Circulação, Hospital das Clínicas, Faculdade de Medicina

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Agora exibindo 1 - 10 de 22
  • conferenceObject
    Echocardiographic findings of Trypanosoma cruzi seropositive blood donors
    (2017) SALEMI, V. M. C.; OLIVEIRA, C. D. L.; RIBEIRO, A. L.; MENEZES, M. M.; ANTUNES, A. P.; FERREIRA-FILHO, J. C.; SACHDEV, V.; FERNANDES, F.; NASTARI, L.; IANNI, B. M.; MADY, C.; CARNEIRO-PROIETTI, A. B.; KEATING, S. M.; BUSCH, M. P.; SABINO, E. G.
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    Whole exome sequencing of Chagas disease cardiomyopathy families reveals accumulation of rare variants in mitochondrial and inflammation-associated genes
    (2019) CUNHA-NETO, E.; MARQUET, S.; FRADE, A. Farage; FERREIRA, A. Mota; OUARHACHE, M.; IANNI, B.; FERREIRA, L. Rodrigues Pinto; RIGAUD, V. Oliveira-Carvalho; ALMEIDA, R. Ribeiro; CANDIDO, D.; TORRES, M.; GALLARDO, F.; FERNANDES, R.; MADY, C.; BUCK, P.; CARDOSO, C.; SANTOS-JUNIOR, O. R.; OLIVEIRA, L. C.; OLIVEIRA, C. D. L.; NUNES, M. do Carmo; ABEL, L.; KALIL, J.; RIBEIRO, A. L. P.; SABINO, E. C.; CHEVILLARD, C.
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    SERUM ACTIVE COLLAGENASE FROM PATHOGENIC ARCHAEAL COLLAGENASE MAY CAUSE HEART FAILURE IN CHAGASIC PATIENTS
    (2019) HIGUCHI, Maria De Lourdes; KAWAKAMI, Joyce; IKEGAMI, Renata; REIS, Marcia; MORENO, Camila R.; PEREIRA, Jaqueline; IANNI, Barbara; BUCK, Paula; SANTOS, Marilia; BOCCHI, Edimar
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    IMPACT OF AIR POLLUTION ON MYOCARDIAL REMODELING IN CHAGA'S DISEASE
    (2019) FONSECA, Keila; PESSOA, Fernanda; MADY, Charles; HOTTA, Viviane; RIBEIRO, Orlando N.; FERNANDES, Fabio; IANNI, Barbara; SALDIVA, Paulo; RAMIRES, Felix
  • conferenceObject
    Lack of Effect of Simvastatin on Structural Remodeling in Animal Model of Chagas Cardiomyopathy
    (2012) IANNI, Barbara M.; RAMIRES, Felix J. A.; SALEMI, Vera M. C.; FERNANDES, Fabio; OLIVEIRA, Adriana M.; PESSOA, Fernanda G.; FONSECA, Keila C. B.; ARTEAGA, Edmundo; NASTARI, Luciano; MADY, Charles
    Purpose: Chagas cardiomyopathy(CM) is characterized by a large amount of fibrosis and inflamation. As simvastatin (simva) has anti-inflamatory effects, we hypothetized that it could be an important drug in the treatment of patients with CM. The purpose was to evaluate simva in the myocardium remodeling and inflammation in na animal model of CM. Methods: 123 hamsters were divided: C-controls(25), CSimva-controls with simva 10mg/Kg/day(25), Simva1-infected treated from beginning with the same dose of simva(25), Simva2-infected treated after 4 months(24); Infect-untreated(24). Follow-up of 10 months. Interstitial collagen volume fraction (ICVF) RV and LV measured using videomorphometry and picrosirius red stained heart. Metalloproteinase9 (MMP9) was obtained by zymography. Gene expression of TNFalpha, IFNgamma, IL10 by real time PCR and ΔCt. Survival by Kaplan-Meier and log rank. Comparison between groups by Kruskal-Wallis; p≤0.05. Results: Infected animals Simva1=189±133 days Simva2=150±124; Infect=138±123) lived less than controls (C=257±80; CSimva=283±58)(p≤0.05) with no difference among infected. ICVF-RV(%) was greater in infected groups (Simva1=3.88±1.14, Simva2=2.22±0.64; Infect=4.38±0.83) than in controls C=1.12±0.31; CSimva=2.18±0.73)(p≤0.05)with no difference among infected groups. ICVF-LV(%) was greater in infected animals (Simva1=1.83±1.01, Simva2=1.52±0.93; Infect=3.01±0.66) than in controls (C=0.68±0.31; CSimva=0.81±0.28)(p≤0.05) with no difference among infected. MMP9 was higher in infected groups (Simva1=2394±2441, Simva2=5673±4091; Infect=2392±2042) compared to controls (C=954±2332; CSimva=454±1123)(p≤0.05) with no difference among infected. TNFalpha did not have difference among infected groups (Simva1=5.33±3.66, Simva2=4.44±2.17; Infect=6.13±3.24). IFNgamma in infected groups (Simva1=5.47±3.56, Simva2=4.46±2.08; Infect=4.21±2.09) was higher than in controls (C=8.50±2.59; CSimva=6.84±2.53)(p≤0.05) with no difference among infected. IL10 in infected animals (Simva1=9.07±4.62, Simva2=7.76±4.77; Infect=8.11±4.48) did not have difference and the values were greater than controls (C=14.11±4.40; CSimva=12.55±3.90)(p≤0.05). Conclusions: Simva did not attenuate deposition of interstitial collagen, did not change dynamics of collagen degradation, did not decrease inflammation, and did not reduce mortality.
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    Lack of Protective Exosomes to Remove AMZ1 Archaeal Collagenase is Associated With Heart Failure in Chagas' Disease
    (2017) HIGUCHI, Maria de Lourdes; KAWAKAMI, Joyce T.; SANTOS, Marilia H.; IKEGAMI, Renata N.; REIS, Marcia M.; IANNI, Barbara; BUCK, Paula; BOCCHI, Edimar
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    Serum Microvesicles Containing Archaeal DNA as a New Pathogenetic Factor for Heart Failure in Chagas' Disease
    (2018) HIGUCHI, Maria de Lourdes; KAWAKAMI, Joyce T.; REIS, Marcia M.; OLIVEIRA, Luanda; PEREIRA, Jaqueline J.; IANNI, Barbara; BUCK, Paula; BOCCHI, Edimar A.
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    Three-dimensional Cardiac Mechanics for Prediction of Events in Chagas Disease
    (2019) HOTTA, Viviane T.; ABDUCH, Maria Cristina D.; VIEIRA, Marcelo Luiz C.; IANNI, Barbara M.; MADY, Charles; BOCCHI, Edimar A.
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    Impairment of parasympathetic and sympathetic nervous systems in different forms of Chagas disease
    (2013) FERNANDES, F.; BARBOSA-FERREIRA, J. M.; RAMIRES, F. J. A.; GRUPI, C. J.; HACHUL, D. T.; IANNI, B. M.; DABARIAN, A.; NASTARI, L.; BUCK, P. C.; MADY, C.
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    The predictive value of plasma Galectin-3 for cardiac impairment and mortality in patients with Chagas disease
    (2016) FERNANDES, F.; MOREIRA, C. H.; OLIVEIRA, L. C.; IANNI, B. M.; LORENZO, C. D.; RAMIRES, F. J. A.; NASTARI, L.; RIBEIRO, A. L. P.; CUNHA NETO, E.; SABINO, E. C.; MADY, C.