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Title: Visceral leishmaniasis Caused by Leishmania tropica
Authors: Özbilgin, Ahmet
Tunalı, Varol
Çavuş, İbrahim
Vardarlı Tetik, Aslı
Dinç, Melike
Yalçın, Talat
Gündüz, Cumhur
Beyaz, Merve
Köse, Şükran
Keywords: Cutaneous leishmaniasis
Leishmania tropica
Visceral leishmaniasis
Issue Date: Sep-2023
Publisher: Springer
Abstract: PurposeIn Turkey, the main causative agent of visceral leishmaniasis (VL) is Leishmania. infantum and the main causative agent of cutaneous leishmaniasis (CL) is Leishmania tropica. In this study, we aimed to discuss the possible mechanisms, clinical aspects, and threat of visceralizing L. tropica.MethodsThis study includes seven cases of VL caused by L. tropica.Five patients were male (71%) and four were adults (57%).ResultsAll the VL patients complained of fever and splenomegaly. Fatigue, pancytopenia, and hepatomegaly were present in six patients each (86%), while weight loss and gastrointestinal system (GIS) symptoms were present in 5 patients (71%).ConclusionsIn this study, we have evaluated seven cases of visceralized L. tropica (VLT) in the context of the changing leishmaniasis epidemiology in Turkey. We have evaluated the possible mechanisms of visceralization; inter- and intraspecies genetic exchange with all the old world leishmaniasis agents present in the region, stress induced by inappropriate use of drugs, and possible ongoing adaptation mechanisms of Leishmania spp. The threat posed by VLT is significant as L. tropica is the most widespread and most common cause of leishmaniasis in Turkey. We do not know the vectorial capacity of the sand flies for the transmission of VLT strains or if these strains are in circulation in Turkey. Future studies should be carried out to investigate these issues as the transition of L. tropica from a mild disease-causing agent to a mortal one poses a significant public health concern for Turkey and Europe.
Description: Article; Early Access
ISSN: 1230-2821
Appears in Collections:Chemistry / Kimya
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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