Progress in pathogenesis and early diagnosis of Parkinson's disease / 中国综合临床

Objective Parkinson's disease (PD) is a common degenerative disease of the central nervous system.The main pathological feature is the reduction of dopaminergic neurons,which induces motion symptoms such as resting tremor,muscle rigidity,bradykinesia,and postural disorder.The etiology and pathogenesis of PD are complex and related to a variety of factors.The current pathogenesis is related to mitochondrial dysfunction,oxidative stress,neuroinflammatory response,apoptosis,and autophagy.The early onset of PD is occult and the rate of misdiagnosis is high.It requires a new simple,safe,and effective early diagnosis method.The current methods of early diagnosis mainly include clinical non-motor symptoms,biomarkers,and imaging examination methods.

Application of composite 3D scaffolds in repairing skull defects / 中国综合临床

Bone graft is an important basic condition for repairing skull defect caused by various reasons,but whether autologous bone graft or allograft bone transplantation,the clinical limitations was increasingly significant.With the development of bone tissue engineering,the introduction of bone progenitor cells and growth factors into composite scaffolds made from natural or synthetic materials,and as a substitute for bone graft has become a hot spot of research.It will review the research progress on bone graft substitute and bone biomimetic scaffold material,so as to provides reference on the further investigations.