Journals / Anadolu Kardiyoloji Dergisi / 2005 / Cilt: 5 - Sayı: 3

Kalınlaşan intima tabakasındaki vasküler düz kas hücrelerinin değişik kökenleri

Diverse origin of vascular smooth muscle cells in the neointima

Pages
216–220
Publication Date
2022-10-10
DOI
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AI Summary & Key Takeaways

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

This update discusses recent insights on smooth muscle progenitors both from a biological and therapeutic perspective.

📌 3 Key Takeaways

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Objective & Hypothesis:Vascular smooth muscle cells accumulate excessively in the formation of neointima and have a key role in the pathogenesis of vasculoproliferative disorders such as atherosclerosis, allograft vasculopathy, bypass graft occlusion, in-stent restenosis and restenosis after percutaneous balloon angioplasty.
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Key Findings & Data:In addition, other potential sources such as circulating smooth muscle cell precursors that may not be of direct bone marrow origin, adventitial stem cells or smooth muscle cell progenitors that are released from other organs into the circulation have been demonstrated to have the potential to differentiate into smooth muscle cells.
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Conclusion & Impact:This update discusses recent insights on smooth muscle progenitors both from a biological and therapeutic perspective.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Vascular smooth muscle cells accumulate excessively in the formation of neointima and have a key role in the pathogenesis of vasculoproliferative disorders such as atherosclerosis, allograft vasculopathy, bypass graft occlusion, in-stent restenosis and restenosis after percutaneous balloon angioplasty. To date there is no clinically established treatment to prevent the accumulation of smooth muscle cells in the neointima. However, much attention has been devoted to experimentally targeting the inhibition of migration and proliferation of medial smooth muscle cells. The recent identification of circulating bone marrow-derived smooth muscle progenitor has challenged the classical concept of infiltration of solely medial smooth muscle cells in the neointima. In addition, other potential sources such as circulating smooth muscle cell precursors that may not be of direct bone marrow origin, adventitial stem cells or smooth muscle cell progenitors that are released from other organs into the circulation have been demonstrated to have the potential to differentiate into smooth muscle cells. These discoveries have motivated us to reconsider how neointima forms in pathological conditions in the adult human. This update discusses recent insights on smooth muscle progenitors both from a biological and therapeutic perspective.

Özet

Damar duvarında intima tabakasının kalınlaşmasıyla ortaya çıkan neointima çok sayıda damar düz kas hücresi içerir. Bu hücreler damar sertliği, nakil edilen organların reddine neden olan damarsal değişiklikler, baypas ameliyatı, stent yerleştirilmesi, ve balon anjiyoplasti girişimi sonrası yeniden oluşan damar daralmalarının patojenezinde önemli rol oynarlar. Bugüne kadar bu hücrelerinin neointimada birikimini önleyecek klinik bir tedavi metodu bulunamamıştır. Bununla birlikte, bu hücrelerin damar media tabakasından neointimaya göçünü ve çoğalmasını durdurmaya yönelik birçok deneysel çalışma yapılmıştır. Son yıllarda, kemik iliğinden kökenli, kanda dolaşan ve damar düz kas hücresine dönüşebilen kök hücrelerinin saptanması, neointimadaki düz kas hücrelerinin sadece media tabakasından geldiğine dair klasik bilgimizi tartışmaya açmıştır. Kanda dolaşan bu hücrelerin yanı sıra, kemik iliğinden doğrudan kaynaklanmayan, adventitia tabakasında bekleyen ya da diğer organlardan dolaşıma katılan ve düz kas hücresine dönüşebilen kök hücrelerinin varlığı media tabakası dışında kaynaklarının bulunduğunu göstermektedir. Tüm bu yeni gözlemler bizleri patolojik damar hastalıklarında neointimanın nasıl geliştiğine dair bilgilerimizi yeniden yargılamaya zorlamaktadır. Biz bu kısa derlemede damar düz kas hücresine dönüşebilme yeteneğine sahip hücreler hakkındaki son bulguları ve bu hücrelerin biyolojik ve tedavi yönünden özelliklerini tartışmak istedik.

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Cite This Article

ZHOU, X., BECK, C., BOREN, J., AKYÜREK, L. M. (2022). Kalınlaşan intima tabakasındaki vasküler düz kas hücrelerinin değişik kökenleri. Anadolu Kardiyoloji Dergisi, Cilt: 5 - Sayı: 3, 216–220. https://ajindex.com/articles/437413

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