Journals / Ankara Üniversitesi Tıp Fakültesi Mecmuası / 2018 / Cilt: 71 - Sayı: 1

P2X7 Receptor Mediated Increase In Cell Membrane Permeability

P2X7 Reseptörü Aracılı Hücre Membran Geçirgenlik Artıșı

Pages
31–34
Publication Date
2022-10-10
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The uncovering of its activation mechanism is important for treatment of many diseases.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Purinergic receptors consist of two main families; P2X and P2Y.
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Key Findings & Data:P2Y receptors are G protein coupled receptors (GPCR), whereas P2X receptors are non-selective cation channels.
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Conclusion & Impact:The uncovering of its activation mechanism is important for treatment of many diseases.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Purinergic receptors consist of two main families; P2X and P2Y. P2Y receptors are G protein coupled receptors (GPCR), whereas P2X receptors are non-selective cation channels. P2X7 receptors which is a member of P2X receptors, have been found myriad types of cells including immune cells. The activa-tion of this receptor leads to IL-1β release and caspase activation as well as an increase in membrane permeability to big molecules. Spectroscopic and electrophysiologic methods have been used to in-vestigate membrane permeability. Different hypotheses have been proposed as an explanation for big permeability. One of them proposes that P2X7 channel itself dilates and becomes permeable to big molecules, whereas the other proposes participation of another channels to big permeability. Since it has been demonstrated that P2X7 receptor has a role in many disease processes including inflamation, pain, cancer and Alzheimer’s disease, its antagonists and modulators have been regarded as a good drug target. The uncovering of its activation mechanism is important for treatment of many diseases.

Özet

Pürinerjik reseptörler P2X ve P2Y olmak üzere iki ana aileden olușmaktadır. P2Y reseptörleri G-proteini kenetli reseptörler (GPKR), P2X reseptörleri seçici olmayan katyon kanallarıdır. P2X reseptörlerinin 7 üyesinden biri olan P2X7 reseptörü immün hücreler bașta olmak üzere birçok tip hücrede bulunmak-tadır. IL-1β salınımı, kaspaz aktivasyonu gibi hücre içinde birçok sinyal yolağını aktive etmekle beraber, diğer üyelerden farklı olarak membranda büyük bir geçirgenlik aktive etmektedir. Membran geçirgen-liğini incelemek için spektroskopik ve elektrofizyolojik yöntemler kullanılmaktadır. Büyük geçirgenli-ğin mekanizmasını açıklamak için çeșitli hipotezler öne sürülmektedir. Bunlardan biri P2X7 kanalının genișleyerek büyük moleküllere geçirgen hale geldiği, diğeri ise geçirgenliğin bașka bir protein aracı-lığıyla olduğudur. P2X7 reseptörü inflamasyon, ağrı, kanser ve Alzhzeimer gibi birçok hastalıkta rolü olduğu gösterilen bir reseptör olduğu için antagonistleri ve modülatörleri iyi birer ilaç hedefi olarak görülmektedir. Aktivasyon mekanizmasının aydınlatılması da birçok hastalığın tedavisi için önem tașı-maktadır.

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Cite This Article

SAYAR, Ş. C., SAYAR, K. (2022). P2X7 Receptor Mediated Increase In Cell Membrane Permeability. Ankara Üniversitesi Tıp Fakültesi Mecmuası, Cilt: 71 - Sayı: 1, 31–34. https://ajindex.com/articles/443628

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