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Yıl:2023; Cilt: 60; Sayı: 3>> Özet
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Nöropsikiyatri Arşivi; 2023;60(3):207-213
Ginkgo Biloba Özütünün in Vitro Alzheimer Hastalığı Modelinde TRPV1 Kanalları Aracılığıyla Koruyucu ve Terapötik Rolü
A Özşimşek , İS Övey , E Karaçay , B Yuluğ
Alanya Alaaddin Keykubat Üniversitesi , Antalya
Amaç: Ginkgo biloba’nın (GB) nöroblastom hücrelerinde mitokondriye bağımlı TRPV1 iyon kanalları üzerindeki etkisi Alzheimer hastalığı (AH) modeli oluşturularak araştırıldı. Yöntem: Bir AH modeli oluşturmak için SH-SY5Y hücrelerine okadaik asit uygulandı. Hücresel farklılaşmadan sonra yedi ana grupla organize edilen çalışma, GB’nin nöroblastom hücrelerinde AH’de kalsiyuma bağlı TRPV1 kanallarına etkisinin incelendiği in vitro çalışmadır. Bulgular: Kontrol grubu ile karşılaştırıldığında GB+AH, AH ve AH+GB gruplarında daha yüksek Ca2 + konsantrasyonu saptandı (p<0,001). Ca2 + düzeyi GB+AH ve AH+GB gruplarında AH grubuna göre daha düşüktü (p<0,001). Ayrıca GB+AH’de sitozolik Ca2 + konsantrasyonu AH+GB grubuna göre daha düşüktü (p<0,05), apoptoz ve hücre içi reaktif oksijen türleri (ROS) değerleri GB+AH, AH ve AH+GB’de control grubuna göre daha yüksekti (p<0,001). Apoptoz ve hücre içi ROS değerleri AH grubunda GB+AH ve AH+GB grubuna göre daha yüksekti (p<0,001) ve AH+GB grubunda apoptoz düzeyi GB+AH grubuna göre daha yüksekti (p<0,001) ve mitokondriyal depolarizasyon, kaspaz 3 ve kaspaz 9 düzeyleri GB+AH, AH ve AH+GB gruplarında kontrol grubuna göre daha yüksekti (p<0,001). Ayrıca GB+AH+kapsazepin grubu, AH+kapsazepin grubu ve AH+GB+kapsazepin ile karşılaştırıldığında GB+AH grubu, AH grubu ve AH+GB gruplarında değerler daha düşüktü (p<0,001). Sonuç: Bu sonuçlar bize GB’nin TRPV1 kanalı üzerinden Alzheimer hastalığında tedavi edici etkisinin yanında koruyucu etkisinin olduğunu göstermektedir.
Protective and Therapeutic Role of Ginkgo Biloba Extract Through TRPV1 Channels in an inVitro Alzheimer’s Disease Model
Introduction: The effect of Ginkgo biloba (GB) on mitochondriadependent TRPV1 ion channels in neuroblastoma cells was investigated Conclusion: These results show us that GB has a protective effect besides its therapeutic effect in Alzheimer’s disease via TRPV1 channel. by creating an Alzheimer’s disease (AD) model. Methods: Okadaic acid was applied on SH-SY5Y cells to create an AD model. After cellular differentiation, the study was organized with the seven main groups, examining the effect of GB on calcium depended TRPV1 channels in neuroblastoma cells AD, has been established in vitro. Results: The higher Ca2 + concentration was detected in the GB+AD, AD and AD+GB groups when compared with the control (p<0.001). The Ca2 + level was lower in GB+AD and AD+GB groups than in the AD group (p<0.001). Also, cytosolic Ca2 + concentration was lower in the GB+AD than in the AD+GB group (p<0.05), the apoptosis and intracellular reactive oxygen species (ROS) values were higher in the GB+AD, AD and AD+GB groups than in the control (p<0.001). The apoptosis and intracellular ROS values were higher in AD group than in the GB+AD and AD+GB group (p<0.001) and the apoptosis level was higher in AD+GB group than GB+AD group (p<0.001) and the mitochondrial depolarization, caspase 3 and caspase 9 levels were higher in the GB+AD, AD and AD+GB groups when compared to the control group (p<0.001). Also, the values were lower in the GB+AD group, AD group and AD+GB groups when compared with the GB+AD+capsazepine group, AD+capsazepine group and AD+GB+capsazepine respectively (p<0.001).

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