Parkinson hastalığında kalsiyum sinyalinin yukarı akışı deregülasyonu.

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Parkinson's disease (PD) is a major health problem affecting millions of people worldwide. Recent studies provide compelling evidence that altered Ca(2) (+) homeostasis may underlie disease pathomechanism and be an inherent feature of all vulnerable neurons. The downstream effects of altered Ca(2) (+) handling in the distinct subcellular organelles for proper cellular function are beginning to be elucidated. Here, we summarize the evidence that vulnerable neurons may be exposed to homeostatic Ca(2) (+) stress which may determine their selective vulnerability, and suggest how abnormal Ca(2) (+) handling in the distinct intracellular compartments may compromise neuronal health in the context of aging, environmental, and genetic stress. Gaining a better understanding of the varied effects of Ca(2) (+) dyshomeostasis may allow novel combinatorial therapeutic strategies to slow PD progression.

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