The differential effect of Interferon-gamma on acute kidney injury and parasitemia in experimental malaria.

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Tác giả: Margot Deckers, Sofie Knoops, Priyanka Koshy, Patrick Matthys, Emilie Pollenus, Hendrik Possemiers, Fran Prenen, Rebecca Sadler, Philippe E Van den Steen, Lotte Van Landschoot

Ngôn ngữ: eng

Ký hiệu phân loại: 700.105 Effects of science and technology on the arts

Thông tin xuất bản: England : Scientific reports , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 493988

Malaria-associated acute kidney injury (MAKI) is a common complication of Plasmodium infection, affecting ~ 50% of severe malaria cases and associated with increased mortality. However, its immunopathogenesis remains unclear. Interferon-gamma (IFN-gamma) is a crucial cytokine that influences parasite clearance and mediates pathogenesis in experimental models of malaria. This study explored the role of IFN-gamma in kidney pathology in C57BL/6 mice infected with Plasmodium berghei NK65 (PbNK65) and P. chabaudi AS (PcAS). PbNK65-infected mice, normally susceptible to severe malaria, were protected from both MAKI and malaria-associated acute respiratory distress syndrome (MA-ARDS) when lacking IFN-gamma. Infected IFN-gamma knockout (KO) mice developed low parasitemia levels, minimal kidney histopathological changes and reduced expression of the kidney injury marker Neutrophil Gelatinase-Associated Lipocalin (NGAL). In contrast, upon PcAS-infection, IFN-gamma deficiency led to increased parasitemia and aggravated kidney pathology, evidenced by proteinuria, hyaline casts in kidneys and increased renal mRNA expression of Heme Oxygenase 1 (HO-1) and NGAL. In both models, IFN-gamma induced renal C-X-C Motif Chemokine Ligand 10 (CXCL10) but did not affect Tumor Necrosis Factor-alpha (TNF-alpha) expression. Our data indicate that IFN-gamma exerts a dual effect on kidney pathology, which is conditioned by the mouse model and its impact on parasitemia.
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