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Updated: May 27, 2026

In vivo Imaging of Transgenic Leishmania Parasites in a Live Host

In vivo Imaging of Transgenic Leishmania Parasites in a Live Host

Published on: July 27, 2010

Post-kala-azar dermal leishmaniasis: recent developments.

Sarman Singh¹, Umakant Sharma, Jyotsna Mishra

¹Division of Clinical Microbiology, Department of Laboratory Medicine, All India Institute of Medical Sciences, New Delhi, India. sarman_singh@yahoo.com

International Journal of Dermatology

|December 1, 2011

Summary

This summary is machine-generated.

Post-kala-azar dermal leishmaniasis (PKDL) is a skin condition developing after visceral leishmaniasis treatment. Genetic differences between Leishmania strains suggest PKDL pathogenesis is complex and possibly immunological.

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Area of Science:

Parasitology
Immunology
Molecular Biology

Background:

Post-kala-azar dermal leishmaniasis (PKDL) is a dermatosis that affects patients after successful treatment for visceral leishmaniasis.
PKDL is prevalent in the Indian subcontinent and East Africa, with significant percentages of treated visceral leishmaniasis patients developing the condition.

Purpose of the Study:

To review current evidence on the pathogenesis of PKDL.
To explore the immunological and genetic factors potentially involved in PKDL development.

Main Methods:

Review of existing scientific literature and evidence on PKDL.
Analysis of genetic differences between Leishmania strains causing visceral leishmaniasis and PKDL.

Main Results:

The pathogenesis of PKDL is suggested to be largely immunologically mediated.
Genetic analysis indicates that Leishmania strains causing visceral disease differ from those causing PKDL.
PKDL is rare in infections caused by Leishmania chagasi compared to Leishmania donovani and Leishmania infantum.

Conclusions:

PKDL pathogenesis is complex, likely involving immunological mechanisms and potentially in-vivo genetic alterations or reinfection.
Genetic divergence of Leishmania strains is a key factor differentiating visceral leishmaniasis and PKDL.
Further research into PKDL pathogenesis is crucial for understanding and controlling leishmaniasis outbreaks.