Related Experiment Video
Updated: Jun 22, 2026

Dioscin Mediated IgA Nephropathy Alleviation by Inhibiting B Cell Activation In Vivo and Decreasing Galactose-Deficient IgA1 Production In Vitro
Published on: October 13, 2023
D1-like receptor antagonist inhibits IL-17 expression and attenuates crescent formation in nephrotoxic serum
Hirokazu Okada1, Tsutomu Inoue, Kumiko Hashimoto
1Department of Nephrology, Faculty of Medicine, Saitama Medical University, Saitama, Japan. hirookda@saitama-med.ac.jp
Background/Aims:
A dopamine type 1-like receptor (D1-like-R) expressed on dendritic cells was involved in Th17 cell differentiation of naive CD4(+) T cells. Thus, we treated mice with nephrotoxic serum nephritis (NTN) with a D1-like-R antagonist to test whether Th17 cells play a role in this kidney disease.
Methods:
The SCH group of nephritic mice was administered with a D1-like-R antagonist, SCH23390, from day 0 to day 13. The kidney and spleen were collected at sacrifice on day 14. Glomerular pathology and CCR6(+) cell infiltration were quantitatively evaluated. IL-4, IFN-gamma and IL-17 mRNA levels in the kidney, and IFN-gamma and IL-17 concentrations in the supernatants from splenocytes activated in vitro were measured.
Results:
Crescent formation had significantly developed in the positive control (PC) group of untreated, nephritic mice, which was suppressed in the SCH group. Glomerular infiltration of CCR6(+) cells was also noted in the PC group, which was abolished in the SCH group. Renal IL-17 and IFN-gamma mRNA levels were significantly reduced in the SCH group compared with the PC group. Additionally, in vitro activation augmented IFN-gamma induction, but suppressed IL-17 induction by splenocytes from the SCH group compared with those from the PC group.
Conclusion:
We identified treatment with a D1-like-R antagonist inhibited IL-17 expression and attenuated crescent formation in NTN mice.
Related Concept Videos
T Cell Types and Functions
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
Drugs for Treatment of Crohn's Disease in IBD Using Biologic Agents: Anti-TNF
Drugs for Treatment of Crohn's Disease in IBD Using Immunomodulatory Agents
Inflammatory Bowel Disease III: Crohn's Disease

