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Chinese Journal of Experimental Traditional Medical Formulae ; (24): 255-263, 2024.
Article in Chinese | WPRIM | ID: wpr-999183


Diabetic peripheral neuropathy(DPN) is a neurodegenerative disease of diabetes mellitus involving peripheral nervous system damage, which is characterized by axonal degenerative necrosis, Schwann cell apoptosis and demyelination of nerve myelin sheath as the main pathological features, this disease is highly prevalent and is a major cause of disability in diabetic patients. Currently, the pathogenesis of DPN may be related to oxidative stress, inflammatory response, metabolic abnormality, and microcirculation disorder. The treatment of DPN in modern medicine mainly starts from controlling blood glucose, nourishing nerves and improving microcirculation, which can only alleviate the clinical symptoms of patients, and it is difficult to fundamentally improve the pathological damage of peripheral nerves. Mitochondrial quality control refers to the physiological mechanisms that can maintain the morphology and functional homeostasis of mitochondria, including mitochondrial biogenesis, mitochondrial dynamics, mitochondrial oxidative stress and mitochondrial autophagy, and abnormal changes of which may cause damage to peripheral nerves. After reviewing the literature, it was found that traditional Chinese medicine(TCM) can improve the low level of mitochondrial biogenesis in DPN, maintain the balance of mitochondrial dynamics, inhibit mitochondrial oxidative stress and mitochondrial autophagy, and delay apoptosis of Schwann cells and neural axon damage, which has obvious effects on the treatment of DPN. With the deepening of research, mitochondrial quality control may become one of the potential targets for the research of new anti-DPN drugs, therefore, this paper summarized the research progress of TCM in treating DPN based on four aspects of mitochondrial quality control, with the aim of providing a theoretical research basis for the discovery of new drugs.

Chinese Journal of Experimental Traditional Medical Formulae ; (24): 203-212, 2023.
Article in Chinese | WPRIM | ID: wpr-973763


Diabetic peripheral neuropathy (DPN) is characterized by insidious onset, easy misdiagnosis, and progression to severe consequences such as diabetic foot ulcers, gangrene, and amputation. The main pathological features of DPN are nerve cell injuries, such as axonal degeneration and necrosis, segmental demyelination of nerve fibers, and apoptosis of Schwann cells. The phosphoinositide 3-kinase (PI3K)/protein kinase B (Akt) signaling pathway is a classical pathway that communicates intracellular and extracellular information and regulates biological activities such as cell proliferation, differentiation, apoptosis, autophagy, and migration. It widely affects various cells related to DPN. In recent years, numerous studies have found that the sustained high glucose environment causes abnormalities in the PI3K/Akt signaling pathway. This, in turn, accelerates the occurrence and development of DPN by participating in the pathogenesis of DPN, such as glucose and lipid metabolism, oxidative stress, inflammation, autophagy, apoptosis, and angiogenesis. Therefore, regulating the PI3K/Akt signaling pathway is crucial for the treatment of DPN. Currently, there is a lack of effective measures to slow down or reverse DPN in clinical practice. Traditional Chinese medicine (TCM) has unique advantages in preventing and treating DPN with multiple targets, effects, and components. A large number of animal and clinical studies of TCM treatment of DPN have shown that the PI3K/Akt signaling pathway is an important target for TCM treatment of DPN. Regulating the PI3K/Akt signaling pathway can promote myelin sheath repair and regeneration, delay the process of nerve cell death, and play a role in preventing and treating DPN. However, there is currently no systematic review and summary of this field in China and abroad. Therefore, this article summarized the regulation of the PI3K/Akt signaling pathway and its role in the pathogenesis of DPN, as well as the intervention of effective components of single Chinese medicine or compounds on the PI3K/Akt signaling pathway. This study is expected to provide a reference for the clinical diagnosis and treatment of DPN with TCM, basic research, and drug development.