Nonenzymatic function of DPP4 in diabetes‐associated mitochondrial dysfunction and cognitive impairment

C Sun, Y Xiao, J Li, B Ge, X Chen, H Liu… - Alzheimer's & …, 2022 - Wiley Online Library
Abstract Dipeptidyl peptidase‐4 (DPP4) has been proven to exert its functions by both
enzymatic and nonenzymatic pathways. The nonenzymatic function of DPP4 in diabetes …

[HTML][HTML] Strong association between plasma dipeptidyl peptidase-4 activity and impaired cognitive function in elderly population with normal glucose tolerance

B Chen, T Zheng, L Qin, X Hu, X Zhang… - Frontiers in Aging …, 2017 - frontiersin.org
Objective: Inflammation, oxidative stress, and decreased glucagon-like peptide-1 (GLP-1)
are risk factors for cognitive impairment. Dipeptidyl peptidase-4 (DPP4) was identified as a …

Association of plasma DPP4 activity with mild cognitive impairment in elderly patients with type 2 diabetes: results from the GDMD study in China

T Zheng, L Qin, B Chen, X Hu, X Zhang, Y Liu… - Diabetes …, 2016 - Am Diabetes Assoc
OBJECTIVE Hyperglycemia, inflammation, and oxidative stress are thought to be involved in
the pathogenesis of cognitive decline. Dipeptidyl peptidase-4 (DPP4) is a newly identified …

[HTML][HTML] Resveratrol ameliorates diabetic encephalopathy through PDE4D/PKA/Drp1 signaling

Y Cao, W Sun, C Liu, Z Zhou, Z Deng, M Zhang… - Brain Research …, 2023 - Elsevier
Diabetic encephalopathy (DE) is a central nervous complication of diabetes mellitus which is
characterized by cognitive impairment and neurochemical abnormalities. However, no …

Nonenzymatic function of DPP4 promotes diabetes-associated cognitive dysfunction through IGF-2R/PKA/SP1/ERp29/IP3R2 pathway-mediated impairment of Treg …

Y Hui, Z Xu, J Li, L Kuang, Y Zhong, Y Tang, J Wei… - Metabolism, 2023 - Elsevier
Background Impairment of regulatory T (Treg) cells function is implicated in the
pathogenesis of immune imbalance-mediated cognitive impairment. A complete …

Metformin protects against diabetes-induced cognitive dysfunction by inhibiting mitochondrial fission protein DRP1

Y Hu, Y Zhou, Y Yang, H Tang, Y Si, Z Chen… - Frontiers in …, 2022 - frontiersin.org
Objectives: Diabetes is an independent risk factor for dementia. Mitochondrial dysfunction is
a critical player in diabetes and diabetic complications. The present study aimed to …

Can dipeptidyl peptidase-4 inhibitors treat cognitive disorders?

Q Cheng, J Cheng, D Cordato, J Gao - Pharmacology & Therapeutics, 2020 - Elsevier
The linkage of neurodegenerative diseases with insulin resistance (IR) and type 2 diabetes
mellitus (T2DM), including oxidative stress, mitochondrial dysfunction, excessive …

Drp1-mediated mitochondrial abnormalities link to synaptic injury in diabetes model

S Huang, Y Wang, X Gan, D Fang, C Zhong, L Wu… - Diabetes, 2015 - Am Diabetes Assoc
Diabetes has adverse effects on the brain, especially the hippocampus, which is particularly
susceptible to synaptic injury and cognitive dysfunction. The underlying mechanisms and …

DPP-4 Inhibitors Suppress Tau Phosphorylation and Promote Neuron Autophagy through the AMPK/mTOR Pathway to Ameliorate Cognitive Dysfunction in Diabetic …

Y Hu, J Xu, J Wang, L Zhu, J Wang… - ACS Chemical …, 2023 - ACS Publications
Dipeptidyl peptidase-4 (DPP-4) inhibitors have been considered as incretin-based agents
that signal through GLP-1R. Our high-throughput RNA sequencing (RNA-seq) and …

Mechanisms of neurodegeration in type 2 diabetes and the neuroprotective potential of dipeptidyl peptidase 4 inhibitors

E Matteucci, O Giampietro - Current medicinal chemistry, 2015 - ingentaconnect.com
Prospective epidemiological studies suggest that type 2 diabetes is a risk factor for
neurodegenerative pathologies such as Alzheimer disease, vascular dementia, and …