Results 31 to 40 of about 20,786 (179)

Há 100 anos, a descoberta do Treponema pallidum A hundred years ago, the discovery of Treponema pallidum

Anais Brasileiros de Dermatologia, 2005
A descoberta do Treponema pallidum por Schaudinn & Hoffmann em 3 de março de 1905 foi influenciada pela comunicação de Siegel, sobre a descoberta do agente etiológico da sífilis.
Elemir Macedo de Souza
doaj   +1 more source

The Treponema pallidum Outer Membrane [PDF]

, 2017
The outer membrane (OM) of Treponema pallidum, the uncultivatable agent of venereal syphilis, has long been the subject of misconceptions and controversy. Decades ago, researchers postulated that T. pallidum's poor surface antigenicity is the basis for its ability to cause persistent infection, but they mistakenly attributed this enigmatic property to ...
Justin D, Radolf, Sanjiv, Kumar
openaire   +2 more sources

Evaluation of the Application of Urea Dissociation Treatment to Reduce the False‐Positive Rate of ELISA for Syphilis Detection

Journal of Clinical Laboratory Analysis, EarlyView.
Exploring the application of urea dissociation treatment to reduce the false‐positive rate of ELISA for syphilis detection. From January 2023 to January 2024, seven false‐positive syphilis samples were collected from Xi'an Regional Medical Laboratory Centre as the experimental group, five positive specimens as the control group, and five negative ...
Jiao Wang, Bin Li, Haodi Li, Xucai Dong
wiley   +1 more source

Diagnóstico de Sífilis a Partir de Lesões da Mucosa Oral

Acta Médica Portuguesa, 2014
Palavras-chave: Doenças da Boca; Sífilis; Sífilis Cutânea; Treponema pallidum.
Luis Uva, João Borges-Costa, Paulo Filipe   +2 more
doaj   +1 more source

Genetic engineering of Treponema pallidum subsp. pallidum, the Syphilis Spirochete.

PLoS Pathogens, 2021
Despite more than a century of research, genetic manipulation of Treponema pallidum subsp. pallidum (T. pallidum), the causative agent of syphilis, has not been successful.
Emily Romeis, Lauren Tantalo, Nicole Lieberman, Quynh Phung, Alex Greninger, Lorenzo Giacani   +5 more
doaj   +1 more source

The pan-genome of Treponema pallidum reveals differences in genome plasticity between subspecies related to venereal and non-venereal syphilis

BMC Genomics, 2020
Background Spirochetal organisms of the Treponema genus are responsible for causing Treponematoses. Pathogenic treponemes is a Gram-negative, motile, spirochete pathogen that causes syphilis in human. Treponema pallidum subsp.
Arun Kumar Jaiswal, Sandeep Tiwari, Syed Babar Jamal, Letícia de Castro Oliveira, Leandro Gomes Alves, Vasco Azevedo, Preetam Ghosh, Carlo Jose Freira Oliveira, Siomar C. Soares   +8 more
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Colestasis intrahepática por Treponema pallidum en paciente inmunocompetente

Biomédica: revista del Instituto Nacional de Salud, 2023
La hepatitis por Treponema pallidum es una entidad poco frecuente y su diagnóstico representa un reto clínico. Treponema pallidum debe considerarse como etiología presuntiva en todo paciente con enfermedad hepática aguda, en el cual se hayan descartado ...
Beatriz E. Orozco-Sebá, Diego Viasus, Esperanza Meléndez, Jairo Fuentes, José Tovar, Elkin A. Amado, Daniela Loaiza   +6 more
doaj   +1 more source

Juvenile Gangrenous Vasculitis of the Scrotum or Scrotum Lipschütz Ulcers

JEADV Clinical Practice, EarlyView.
ABSTRACT Lipschütz genital ulcers are traditionally described in adolescent females and often linked to acute viral infections. Their male counterpart remains poorly characterised. We report a 59‐year‐old man with sudden onset of unilateral necrotic ulcers on the scrotum and inguinal region following a brief febrile episode and mild pharyngitis ...
Francesco Bellinato, Paolo Gisondi, Giampiero Girolomoni   +2 more
wiley   +1 more source

Canadian Public Health Laboratory Network Laboratory Guidelines for the Use of Direct Tests to Detect Syphilis in Canada

Canadian Journal of Infectious Diseases and Medical Microbiology, 2015
Treponema pallidum subsp. pallidum and/or its nucleic acid can be detected by various methods such as microscopy, rabbit infectivity test or polymerase chain reaction (PCR) tests. The rabbit infectivity test for T.
Raymond SW Tsang, Muhammad Morshed, Max A Chernesky, Gayatri C Jayaraman, Kamran Kadkhoda   +4 more
doaj   +1 more source

Detection of Treponema pallidum subspecies pallidum for the diagnosis of congenital syphilis by nested polymerase chain reaction

Biomédica: revista del Instituto Nacional de Salud, 2018
Introduction. Syphilis is a disease produced by Treponema pallidum subspecies pallidum, which affects approximately 12 million people worldwide every year.
Gladys Pinilla, Lesly Campos, Andrea Durán, Jeannette Navarrete, Liliana Muñoz   +4 more
doaj   +1 more source