Results 51 to 60 of about 8,230 (224)

Infectiousness in a Cohort of Brazilian Dogs: Why Culling Fails to Control Visceral Leishmaniasis in Areas of High Transmission [PDF]

open access: yes, 2002
The elimination of seropositive dogs in Brazil has been used to control zoonotic visceral leishmaniasis but with little success. To elucidate the reasons for this, the infectiousness of 50 sentinel dogs exposed to natural Leishmania chagasi infection was
Courtenay, O.   +4 more
core  

The Concise Guide to PHARMACOLOGY 2025/26: G protein‐coupled receptors

open access: yesBritish Journal of Pharmacology, Volume 182, Issue S1, Page S24-S151, December 2025.
The Concise Guide to Pharmacology 2025/26 marks the seventh edition in this series of biennial publications in the British Journal of Pharmacology. Presented in landscape format, the guide provides a comparative overview of the pharmacology of drug target families. The concise nature of the Concise Guide refers to the style of presentation, being clear,
Stephen P. H. Alexander   +206 more
wiley   +1 more source

Lutzomyia longipalpisPeritrophic Matrix: Formation, Structure, and Chemical Composition [PDF]

open access: yesJournal of Medical Entomology, 2005
Sandflies are vectors of several pathogens, constituting serious health problems. Lutzomyia longipalpis (Lutz & Neiva, 1912) is the main vector of Leishmania chagasi, agent of visceral leishmaniasis. They synthesize a thick bag-like structure that surrounds the bloodmeal, named peritrophic matrix (PM).
N F C, Secundino   +4 more
openaire   +2 more sources

Description of the fourth instar larva of Lutzomyia longipalpis, under scanning electron microscopy

open access: yesMemorias do Instituto Oswaldo Cruz, 1996
The fourth instar larva of Lutzomyia (Lutzomyia) longipalpis (Phlebotomidae: Phlebotominae) was studied by scanning electron microscope. Based on three-dimensional observations, the fine structure and setal position (using of setal numeration) of the ...
Antônio Cesar Rios Leite, Paul Williams
doaj   +1 more source

Participation of heparin binding proteins from the surface of Leishmania (Viannia) braziliensis promastigotes in the adhesion of parasites to Lutzomyia longipalpis cells (Lulo) in vitro [PDF]

open access: yes, 2012
Background: Leishmania (V.) braziliensis is a causative agent of cutaneous leishmaniasis in Brazil. During the parasite life cycle, the promastigotes adhere to the gut of sandflies, to avoid being eliminated with the dejection.
Alves, Carlos Roberto   +12 more
core   +3 more sources

Mapping the Burden of Tegumentary Leishmaniasis in South America: A Systematic Review and Meta‐Analysis

open access: yesTropical Medicine &International Health, Volume 30, Issue 12, Page 1261-1268, December 2025.
ABSTRACT Introduction In recent years, the global burden of tegumentary leishmaniasis (TL) has significantly increased in the Americas. Objective To estimate the prevalence of TL in South America based on publications from the past 13 years. Methods Three databases were searched, and articles were selected based on inclusion criteria and methodological
Sérgio Caldas   +4 more
wiley   +1 more source

World Association for Veterinary Dermatology Consensus Statement for Diagnosis, and Evidence‐Based Clinical Practice Guidelines for Treatment and Prevention of Canine Leishmaniosis

open access: yesVeterinary Dermatology, Volume 36, Issue 6, Page 723-787, December 2025.
Hyperkeratosis of (a) the footpads and (b) the nasal planum. ABSTRACT Background Canine leishmaniosis (CanL) due to Leishmania infantum remains common, and veterinarians do not always follow scientifically sound approaches for diagnosis, treatment and prevention. Objectives To provide consensus guidelines for diagnosis and evidence‐based guidelines for
Manolis N. Saridomichelakis   +9 more
wiley   +1 more source

Abundance and Monthly Frequency of Phlebotomine Sand Flies (Diptera: Phlebotominae) in Some Municipalities in the State of Rio de Janeiro, Brazil

open access: yesEntomoBrasilis, 2015
. The present study had the objective of estimating the abundance and monthly frequency of vector phlebotomines for American cutaneous leishmaniasis (ACL) in the municipalities of Saquarema, Rio Bonito, Piraí and Rio Janeiro, in the state of Rio de ...
Alfredo Carlos Rodrigues de Azevedo   +5 more
doaj   +1 more source

Visceral Leishmaniasis in Bolivia: Current Status

open access: yesRevista da Sociedade Brasileira de Medicina Tropical, 2020
INTRODUCTION In Bolivia, before 1982 there were no records of visceral leishmaniasis (VL) cases that would allow us to review and describe the temporospatial occurrence of VL by ecoregions in provinces and departments of Bolivia to evaluate its impact ...
Juan Sergio Mollinedo   +5 more
doaj   +1 more source

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