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Updated: Jul 18, 2026

Cutaneous Leishmaniasis in the Dorsal Skin of Hamsters: a Useful Model for the Screening of Antileishmanial Drugs
Published on: April 21, 2012
[Cellular immune response of patients with anthroponotic cutaneous leishmaniasis in Sanliurfa]
Nevin Turgay1, Songül Bayram Delibaş, Derya Dirim Erdoğan
1Ege Universitesi Tip Fakültesi Parazitoloji Anabilim Dali, Bornova, Izmir. nevin.turgay@ege.edu.tr
Insights
Cutaneous leishmaniasis (CL) patients exhibit distinct T cell responses. Active CL shows a dominant Th2 response, while healed CL cases display a more pronounced Th1 response, aiding prognosis understanding.
Area of Science:
- Immunology
- Parasitology
- Dermatology
Context:
- Cutaneous leishmaniasis (CL) is a parasitic skin disease with complex immune responses.
- Understanding T cell-mediated immunity is crucial for CL pathogenesis and treatment.
Purpose:
- To define the T cell response in patients with antroponotic CL caused by L. tropica.
- To differentiate cellular immune responses between active and healed CL stages.
Summary:
- Patients with CL show strong immune responses to leishmanial antigens.
- A dominant Th2 cell response was observed in active CL cases.
- A more distinctive Th1 cell response was noted in healed CL cases.
Impact:
- Differentiating cellular responses can help understand leishmaniasis prognosis.
- This research clarifies the immunopathologic nature of L. tropica-induced CL.
- Findings may inform future therapeutic strategies targeting T cell responses in CL.
Abstract:
Patients with cutaneous leishmaniasis (CL) have strong delayed-type hypersensitivity and in vitro proliferative responses to leishmanial antigens during active and cured diseases. To define the T cell response in patients with antroponotic CL infected with L. tropica is important to clarify the immunopathologic nature of the disease. T cell responses of acute and of already healed CL patients were defined using IFN-gamma, IL-5, IL-4, IL-10 cytokine measurement assays. In this study, while Th2 cell response was found to be dominant in active CL cases, Th1 cell response was more distinctive in the group of already healed CL cases. Differentiation of cellular response in the different stages of infection might be helpful in understanding the prognosis of leishmaniasis.
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