Reducing PTP1B in the Hippocampus Protects Against Cognitive Decline in Prediabetes.

Zhou, Menglu; Yang, Xiaoying; Ge, Xing; Chen, Jiajia; Wu, Wanyun; Zheng, Mingxuan; Zhu, Xiaocheng; Cui, Xiaoying et al. · Diabetes · 2025

basic_science · Level V

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Abstract

The present study reveals a previously unknown molecular mechanism linking prediabetes to neurodegeneration, addressing a critical gap in understanding metabolic-neurological interplay. We investigated whether PTP1B mediates prediabetes-induced cognitive impairment. PTP1B impaired synaptic signaling and synaptic ultrastructure in hippocampal neurons, contributing to cognitive decline in prediabetes. PTP1B is a novel therapeutic target for prediabetes-associated neurodegeneration.

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