Digestive diseases and sciences · 2024
Lacidipine Inhibits NF-κB and Notch Pathways and Mitigates DSS-Induced Colitis.
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Yu Xuezhao, Li Cheng, Tao Yu, Xia Tingting, Jia Zhenyu
Аннотация
BACKGROUND: Ulcerative colitis (UC) is a chronic inflammatory condition affecting the colon, with a global incidence that is rising. Despite the increasing prevalence, effective treatment options for UC remain limited.
METHODS: We utilized an NF-κB promoter dual fluorescence reporter system to screen for compounds that could inhibit p65 and IκBα phosphorylation. The anti-hypertension drug lacidipine was identified as a candidate. Its efficacy was further evaluated in a murine model of dextran sulfate sodium (DSS)-induced colitis. The analysis included the assessment of colon lesions, inflammation markers, and signal pathway activation, with a focus on NF-κB and Notch signaling.
RESULTS: Lacidipine effectively inhibited p65 and IκBα phosphorylation in the reporter system. In the DSS-induced colitis murine model, lacidipine treatment led to a reduction in colon lesions and inflammatory markers. Target analysis showed significant enrichment of the Notch signaling pathway. Additionally, lacidipine inhibited both NF-κB and Notch activation in DSS-stimulated colons.
CONCLUSION: Lacidipine demonstrated a protective effect in UC, reducing inflammation and modulating key signaling pathways. These findings suggest that lacidipine could be a promising candidate for the treatment of UC.
METHODS: We utilized an NF-κB promoter dual fluorescence reporter system to screen for compounds that could inhibit p65 and IκBα phosphorylation. The anti-hypertension drug lacidipine was identified as a candidate. Its efficacy was further evaluated in a murine model of dextran sulfate sodium (DSS)-induced colitis. The analysis included the assessment of colon lesions, inflammation markers, and signal pathway activation, with a focus on NF-κB and Notch signaling.
RESULTS: Lacidipine effectively inhibited p65 and IκBα phosphorylation in the reporter system. In the DSS-induced colitis murine model, lacidipine treatment led to a reduction in colon lesions and inflammatory markers. Target analysis showed significant enrichment of the Notch signaling pathway. Additionally, lacidipine inhibited both NF-κB and Notch activation in DSS-stimulated colons.
CONCLUSION: Lacidipine demonstrated a protective effect in UC, reducing inflammation and modulating key signaling pathways. These findings suggest that lacidipine could be a promising candidate for the treatment of UC.