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Innate Immune B Cell Activation by Leishmania donovani Exacerbates Disease and Mediates Hypergammaglobulinemia

open access: yesCell Reports, 2016
Participation of B cells in the immune response by various antibody-independent mechanisms has recently been uncovered. B cells producing cytokines have been described for several infections and appear to regulate the adaptive immune response.
Sasha Silva-Barrios   +6 more
doaj   +2 more sources

Sphingosine-1-phosphate receptor signaling regulates an ERK1/2–p65 molecular switch in macrophages during Leishmania donovani infection [PDF]

open access: yesFrontiers in Pharmacology
Leishmania donovani establishes intracellular infection by suppressing macrophage inflammatory responses. Although sphingosine-1-phosphate (S1P) signaling is known to regulate macrophage function, the receptor isotype–specific mechanisms involved during ...
Mohd Arish, Mohd Arish, Farha Naz
doaj   +2 more sources

In vitro antipromastigote activity of decoction and hydrodistillation extracts of Clematis hirsuta leaves against Leishmania donovani and Leishmania aethiopica [PDF]

open access: yesBMC Complementary Medicine and Therapies
Leishmaniasis remains a significant health concern in four eco-epidemiological regions of the world (WHO, 2024). Annually, there are thought to be 700,000 to 1 million new cases of leishmaniasis.
Etsegenet Abebe   +10 more
doaj   +2 more sources

CRISPR-Cas9-Mediated Genome Editing in Leishmania donovani

open access: yesmBio, 2015
The prokaryotic CRISPR (clustered regularly interspaced short palindromic repeat)-Cas9, an RNA-guided endonuclease, has been shown to mediate efficient genome editing in a wide variety of organisms.
Wen-Wei Zhang, Greg Matlashewski
doaj   +2 more sources

Comparison of Bloodmeal Digestion and the Peritrophic Matrix in Four Sand Fly Species Differing in Susceptibility to Leishmania donovani. [PDF]

open access: yesPLoS ONE, 2015
The early stage of Leishmania development in sand flies is closely connected with bloodmeal digestion. Here we compared various parameters of bloodmeal digestion in sand flies that are either susceptible (Phlebotomus argentipes and P.
Katerina Pruzinova   +5 more
doaj   +2 more sources

Direct sequencing of Leishmania donovani from patients in Garissa County, Northern Kenya, reveals a newly emerging intra-specific hybrid genotype. [PDF]

open access: yesPLoS Neglected Tropical Diseases
IntroductionLeishmaniasis is endemic in many countries, and in Kenya outbreaks of visceral leishmaniasis (VL) commonly occur in Garissa, Isiolo, Marsabit, Turkana, and Wajir.
Vane Kwamboka Omwenga   +10 more
doaj   +2 more sources

Emerging Leishmania donovani Lineages Associated with Cutaneous Leishmaniasis, Himachal Pradesh, India, 2023 [PDF]

open access: yesEmerging Infectious Diseases
The clinical manifestation of leishmaniasis has historically been determined by the Leishmania species involved. However, recent emergence of novel Leishmania lineages has caused atypical pathologies.
Patrick Lypaczewski   +7 more
doaj   +2 more sources

Leishmania donovani hybridisation and introgression in nature: a comparative genomic investigation.

open access: yesThe Lancet Microbe, 2021
BACKGROUND Leishmaniasis is a neglected tropical disease transmitted by infected sandflies that results in diverse human pathologies contingent on the species of Leishmania. Leishmania donovani causes highly virulent fatal visceral leishmaniasis, whereas
Patrick Lypaczewski, G. Matlashewski
semanticscholar   +1 more source

Leishmania donovani Transmission Cycle Associated with Human Infection, Phlebotomus alexandri Sand Flies, and Hare Blood Meals, Israel

open access: yesEmerging Infectious Diseases, 2023
Cutaneous leishmaniasis caused by Leishmania major or L. tropica and visceral leishmaniasis caused by L. infantum have been reported in Israel. We collected Phlebotomus spp.
Liora Studentsky   +10 more
doaj   +1 more source

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