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How to perform a functional assessment of the fetal heart: a pictorial review
Luciane Alves Rocha,Liliam Cristine Rolo,Edward Araujo Júnior 대한초음파의학회 2019 ULTRASONOGRAPHY Vol.38 No.4
The purpose of this pictorial review was to describe various echocardiographic techniques that can be used for the functional assessment of the fetal heart. The systolic and diastolic assessments of the fetal heart are presented separately, with an emphasis on 2-dimensional Doppler methods and an overview of new technologies. The aim of this summary was to review the tools that can be used by the echocardiographer, and on that basis, to systematize the process of performing a functional assessment.
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Evaluation of bioenergetic and mitochondrial function in liver transplantation
Rui Miguel Martins,João Soeiro Teodoro,Emanuel Furtado,Anabela Pinto Rolo,Carlos Marques Palmeira,José Guilherme Tralhão 대한간학회 2019 Clinical and Molecular Hepatology(대한간학회지) Vol.25 No.2
Background/Aims: We measured changes in mitochondrial function and bioenergetics that occur during ischemia/ reperfusion in fresh liver samples of patients undergoing liver transplantation. These variations correlated with markers of liver function and clinical outcome. Ischemia/reperfusion injury related to liver transplantation affects mitochondrial function and bioenergetics. Experimental studies were conducted to identify the role of bioenergetics and mitochondrial dysfunction. To the best of our knowledge, no investigation of these two factors’ impacts on liver transplantation has been performed. Methods: This was a prospective study of 28 patients who underwent liver transplantation. We measured parameters of mitochondrial function and bioenergetics in biopsies performed during the procedure. Results: We observed a statistically significant reduction in mitochondrial membrane potential, an increase in lag phase, and decreases in mitochondrial respiration and adenosine triphosphate content (P<0.010). Higher postoperative aminotransferase peaks correlated with worse mitochondrial function; mitochondrial respiration correlated with arterial lactate (P<0.010). Conclusions: There is a relationship between mitochondrial function and ischemia/reperfusion injury. The future use of these clinical markers as prognostic factors may allow early identification of post-transplant liver failure and may indicate the need to perform a new transplant.
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Cytotoxic, Trypanocidal, and Antifungal Activities of Eugenia jambolana L.
Karla K.A. dos Santos,Edinardo F.F. Matias,Saulo R. Tintino,Celestina E.S. Souza,Maria F.B.M. Braga,Gla´ucia M.M. Guedes,Miriam Rolo´n,Celeste Vega,Antonieta Rojas de Arias,Jose´ G.M. Costa,Irwin A. M 한국식품영양과학회 2012 Journal of medicinal food Vol.15 No.1
Chagas’ disease, caused by Trypanosoma cruzi, is considered a public health problem. Nowadays, chemotherapy is the only available treatment for this disease, and the drugs currently used, nifurtimox and benzonidazole, present high toxicity levels. Alternatives for replacing these drugs are natural extracts from Eugenia jambolana, a plant used in traditional medicine because of its antimicrobial and biological activities. An ethanol extract from E. jambolana was prepared. To research in vitro anti-epimastigote activity, T. cruzi CL-B5 clone was used. Epimastigotes were inoculated at a concentration of 1 · 105/mL in 200 lL of tryptose-liver infusion. For the cytotoxicity assay J774 macrophages were used. To examine antifungal activity, Candida albicans, Candida tropicalis, and Candida krusei were used. This is the first record of trypanocide activity for E. jambolana. The effective concentration capable of killing 50% of the parasites was 56.42 lg/mL. The minimum inhibitory concentration was £ 1,024 lg/mL. Metronidazole showed a potentiation of its antifungal effect when combined with the ethanol extract of E. jambolana. Thus our results indicate that E. jambolana could be a source of plantderived natural products with anti-epimastigote and antifungal modifying activity with moderate toxicity.
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