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- ElShafie, Amir Ibrahim, et al.
(author)
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Cystatin C as a marker of immune complex-associated renal impairment in a sudanese population with visceral leishmaniasis
- 2006
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In: American Journal of Tropical Medicine and Hygiene. - 0002-9637 .- 1476-1645. ; 75:5, s. 864-868
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Journal article (peer-reviewed)abstract
- Renal function was studied in visceral leishmaniasis (VL) and post-kala-azar dermal leishmaniasis (PKDL) by means of the specific marker cystatin C and related to circulating immune complexes and cytokine production. Forty patients with VL (23 with sub-acute disease and 17 with acute disease), 17 patients with PKDL, and 22 healthy controls were included. Cystatin C, but not creatinine, was significantly raised in VL (P = 0.004). The highest levels of cystatin C were found in those with acute disease (P < 0.0001). In VL, cystatin C levels were positively correlated to circulating immune complexes and production of granulocyte-macrophage colony stimulating factor (GM-CSF), but negatively correlated to aspartate aminotransferase and lactate dehydrogenase. We conclude that cystatin C is a superior marker of glomerular function in leishmaniasis and that immune complex deposition and GM-CSF are two functions that most likely are causally involved in the mechanisms leading to glomerular dysfunction in leishmaniasis.
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