Core Promoter and Pre-Core Variants of the Hepatitis B Virus (HBV) Are Frequent in Chronic Hepatitis B HBeAg-Negative Patients Infected by Genotypes A and D

Autor: Tania Reuter, Michele Soares Gomes-Gouvea, Samira Chuffi, Ulisses Horst Duque, Waltesia Perini, Raymundo Soares Azevedo, João Renato Rebello Pinho

Publikováno v: Viruses, Vol 15, Iss 12, p 2339 (2023)

In Brazil, hepatitis B virus endemicity is low, moderate, or high in some areas, such as Espírito Santo State in the southeast region. In this study, we intend to characterize the basal core promoter (BCP) and pre-core region (PC) variants and their

Externí odkaz: https://doaj.org/article/595ac40e43934032953612c6a0b43f9c

Hepatitis B virus genotypes and subgenotypes and the natural history and epidemiology of hepatitis B

Autor: Tania Queiroz Reuter, Michele Gomes-Gouvea, Samira Chuffi, Ulisses Horst Duque, José Americo Carvalho, Waltesia Perini, Marcello Moro Queiroz, Ingrid Marques Segal, Raymundo Soares Azevedo, João Renato Rebello Pinho

Publikováno v: Annals of Hepatology, Vol 27, Iss , Pp 100574- (2022)

Introduction and Objectives: Espírito Santo state is considered a region with a higher frequency of hepatitis B virus infection. This study characterized demographic, epidemiological, laboratory, virological and clinical aspects of 587 chronic HBV c

Externí odkaz: https://doaj.org/article/aeb0f07beae148e6a4aba54c623c93c9

Correction: Mosquito pornoscopy: Observation and interruption of Aedes aegypti copulation to determine female polyandric event and mixed progeny.

Autor: Danilo O Carvalho, Samira Chuffi, Rafaella S Ioshino, Isabel C S Marques, Regina Fini, Maria Karina Costa, Helena R C Araújo, André L Costa-da-Silva, Bianca Burini Kojin, Margareth L Capurro

Publikováno v: PLoS ONE, Vol 13, Iss 12, p e0209146 (2018)

[This corrects the article DOI: 10.1371/journal.pone.0193164.].

Externí odkaz: https://doaj.org/article/a71b2977e6b340baafa217d1dcd1a803

Molecular characterization of hepatitis A virus strains involved in the outbreak identified in the city of São Paulo from 2017 to 2019

Autor: Samira Chuffi

Publikováno v: Biblioteca Digital de Teses e Dissertações da USP
Universidade de São Paulo (USP)
instacron:USP

Casos de hepatite A são frequentes em áreas endêmicas, nas quais os baixos níveis socioeconômicos exercem influência direta no saneamento básico, medidas de higiene e hábitos particulares dos indivíduos, que acabam gerando um cenário perfei

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e3bf61c96995ea524fe02094f5ce420

Mosquito pornoscopy: Observation and interruption of Aedes aegypti copulation to determine female polyandric event and mixed progeny

Autor: Bianca B. Kojin, Rafaella Sayuri Ioshino, Regina Fini, Samira Chuffi, André Luis Costa-da-Silva, Maria Karina Costa, Helena R. C. Araújo, Danilo O. Carvalho, Margareth Lara Capurro, Isabel Cristina Santos Marques

Publikováno v: PLoS ONE, Vol 13, Iss 3, p e0193164 (2018)
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

Ades aegypti is the most important arbovirus vector in the world, and new strategies are under evaluation. Biological studies mentioning the occurrence of a second mate in Aedes aegypti can interfere with vector control program planning, which involv

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9c05cd103b1a2ae77ec42025102f15f1
http://europepmc.org/articles/PMC5843176?pdf=render