Substantia Nigra Pars Compaca ve Striatum'da Parkinson Modelinde St. John's Wort ve Kök Hücreleri Kullanarak Nöronların ve Glial Hücrelerin Yıkılmasının Önlenmesi.

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Study objectiveSt. John's wort (Hypericum perforatum) has been used for centuries as a medicinal plant to remedy external disorders such as burns and wounds, as well as internal disorders such as nerve pain, anxiety, and depression. Bone marrow mesenchymal stem cells (BMSCs) are a heterogeneous population of pluripotent stromal cells that can differentiate into a variety of cell types. The aim of the study was to individually and combinationally investigate the effect of whole extract and stem cells on Parkinson's disease. Furthermore, using a new method for stem cells transplantation to enhance cell integration into substantia nigra pars compacta (SNC) and striatum.MethodsIn the study, 63 adult male Wistar rats were classified, and among them, treatment groups received 20 mg/kg extract (intraperitoneally; 28 days) and nearly 1 million (mean of 936 × 103) mesenchymal stem cells through cisterna magna, either individually or in combination.ResultsHistological evaluations revealed that there has been a sharp rise in neurons in both ventral and dorsal striatum in the pretreatment plus cell group (p ConclusionThe study found that both H. perforatum extract and BMSCs can help preserve dopaminergic neurons and glial cells during which combination therapy demonstrates synergy as an indicator. St. John's is a natural preserver and appears to function as a neuroprotective agent and facilitate the navigation and integration of stem cells; consequently, it keeps surviving both neurons and glial cells against pathogens and destructive environmental factors and has a potential to help us and Parkinson's patients.

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