Journals / Fırat Tıp Dergisi / 2017 / Cilt: 22 - Sayı: 2

Hassall Bodies Which are Special for Thymus

Timusa Özgü Hassal Cisimcikleri

Pages
60–66
DOI
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AI Summary & Key Takeaways

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

This review provides a brief overview about their functional and structural features and the relationship between some disease and Hassall corpuscles.

📌 3 Key Takeaways

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Objective & Hypothesis:Thymus is a primary lymphoid organ which is located in the mediastinum of the thoracic cavity anterior and superior to the hearth and posterior to sternum.
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Key Findings & Data:Hassall corpuscle was defined for the first time in 1849 by Arthur Hill Hassall as concentric acidophilic corpuscle in the medulla of the thymus.
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Conclusion & Impact:This review provides a brief overview about their functional and structural features and the relationship between some disease and Hassall corpuscles.
🔬Design:Review & Systematic Survey
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Thymus is a primary lymphoid organ which is located in the mediastinum of the thoracic cavity anterior and superior to the hearth and posterior to sternum. The distinctive and specific feature of thymus is the existence of Hassall corpuscles which are spherical bodies in the medulla. Hassall corpuscle was defined for the first time in 1849 by Arthur Hill Hassall as concentric acidophilic corpuscle in the medulla of the thymus. Hassall corpuscles are structures formed from eosinophylic type VI epithelial reticular cells, which have flatten nucleus, arranged concentrically. Recent studies conŞrmed that Hassall corpuscles have active roles in the cell signalization, transcription and metabolism. In addition, it has been demonstrated that Hassall corpuscles are closely associated with some diseases. Hence, further studies investigating the relationship between Hassall corpuscles and disease states might gain huge importance in the future. This review provides a brief overview about their functional and structural features and the relationship between some disease and Hassall corpuscles.

Özet

Timus, toraksın mediyastinum bölgesinde kalbin ön ve üst kısmında ve sternumun arkasında yerleşmiş olan primer bir lenfoid organdır. Timusun kendine özgü ve onu diğer lenfoid organlardan ayıran özelliği, medullasındaki küremsi yapılar olan Hassal cisimciklerinin (HC) varlığıdır. Hassal cisimciği, ilk olarak 1849 yılında Arthur Hill Hassall tarafından timus medullasında bulunan konsantrik asidofilik korpüskül olarak tanımlanmıştır. Medulladaki HC'ler yassı nükleusları olan, eozinofilik Tip VI epitelyal retiküler hücrelerin bir araya gelerek konsantrik tabakalar halinde düzenlenmesiyle oluşan yapılardır. Yeni yapılan çalışmalarla HC'lerin hücre sinyalizasyonunda, transkripsyonunda ve metabolizmasında aktif rol aldıkları gösterilmiştir. Ayrıca HC yapılarının bazı hastalıklarla yakından ilişkili olduğu ortaya konulmaya başlanılmıştır. Bu da HC hastalık ilişkilerinin araştırıldığı yeni çalışmaların gelecekte büyük önem kazanabileceğini düşündürmektedir. Bu derlemede, HC'lerin fonksiyonel ve yapısal özellikleri ile bazı hastalıklarla ilişkileri hakkında özet bir bakış açısı sunulması amaçlanmaktadır.

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Cite This Article

OZAN2, İ. E., DABAK, D. Ö., GÜZEL, E. E. (2017). Hassall Bodies Which are Special for Thymus. Fırat Tıp Dergisi, Cilt: 22 - Sayı: 2, 60–66. https://ajindex.com/articles/223561

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