Journals / Adnan Menderes Üniversitesi Tıp Fakültesi Dergisi / 2004 / Cilt: 5 - Sayı: 1

Expression and localisation of galectin-3 in invasive ductal breast carcinoma

Meme karsinomlarında galektin -3'ün ekspresyonu ve lokalizasyonu

Pages
11–15
Publication Date
2022-10-10
DOI
—
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AI Summary & Key Takeaways

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

Conclusion: Overexpression of galectin-3 in infilrating tumor cells as well as in those present in alveoli lumen has led to the conclusion that galectin-3 could play an important role in breast cancer development.

📌 3 Key Takeaways

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Objective & Hypothesis:Aim: Galectins are a family of low-molecular weight proteins which have calcium-independent functions such as cell growth, cell activation, cell to cell and cell to matrix adhesion including binding to carcinoembryonic antigens and laminin.
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Key Findings & Data:Galectin-3 is a member of galectin family with 30-kD -galactoside-binding protein.
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Conclusion & Impact:Conclusion: Overexpression of galectin-3 in infilrating tumor cells as well as in those present in alveoli lumen has led to the conclusion that galectin-3 could play an important role in breast cancer development.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Aim: Galectins are a family of low-molecular weight proteins which have calcium-independent functions such as cell growth, cell activation, cell to cell and cell to matrix adhesion including binding to carcinoembryonic antigens and laminin. Galectin-3 is a member of galectin family with 30-kD -galactoside-binding protein. Although the exact function of the galectin-3 in cancer development is unclear, galectin-3 expression is associated with neoplastic progression and metastatic potential. In this study, the expression and localization of galectin-3 was examined in 16 cases with invasive ductal breast carcinoma. Method: İmmunoblot analysis and immunoperoxidase staining was performed using, policlonal antibodies against galectin-3. Results: In İmmunoblot analysis a single 30-kD band comigrated with the standard marker which contained five different proteins. In immunohistochemical analysis connective tissue, infiltrative tumor cells in connective tissue and ductal epithelial cells were the predominant areas of galectin-3 expression. However, this expression was different in ductal epithelial cells and staining was particularly evident in migrating ductal epithelial cells. Conclusion: Overexpression of galectin-3 in infilrating tumor cells as well as in those present in alveoli lumen has led to the conclusion that galectin-3 could play an important role in breast cancer development.

Özet

Amaç: Galektinler küçük moleküler ağırlığı olan, fonksiyonları için kalsiyuma ihtiyaç duymayan, hücre büyümesi, aktivasyonu, hücre-hücre ve hücre ekstrasellüler matriks (ECM) etkileşimlerinde rol oynayan, karsinoembriyojenik antijene ve laminine bağlanabilen bir protein ailesidir. Bu ailenin bir üyesi olan galektin-3 yaklaşık 30-kD molekül ağırlığında -galaktoza spesifik bir proteindir. Kanser gelişimindeki rolü tam olarak bilinmemekle birlikte neoplastik oluşumlar ve metastaz ile ilişkili olduğu bildirilmiştir. Bu çalışmada 16 adet meme karsinomunda galektin-3'ün ekspresyonu ve lokalizasyonu araştırıldı. Yöntem: Galektin-3'e karşı uyarılmış poliklonal antikorlardan yararlanılarak immunblot ve immunhistokimya teknikleri kullanıldı. Bulgular: İmmunoblot çalışmalarında molekül ağırlıkları farklı beş protein içeren bir standart eşliğinde yürütülen doku ekstraktlarmda yaklaşık 30-kD'luk mesafede tek bir bandın varlığı saptandı. İmmunohistokimyasal çalışmalarda ise galektin-3'ün özellikle duktus epitel hücreleri ile bağ dokuda ve bağdokuda bulunan infıltratif özellikteki tümoral hücrelerde yerleşim gösterdiği tespit edildi. Ancak, galektin-3'ün aynı tip duktus epitel hücrelerde farklı şekilde eksprese edildiği görüldü. Reaksiyonun özellikle göç etmekte olan epitel hücrelerinde bulunduğu saptandı. Sonuç: Özellikle infıltre olmuş tümoral hücreler ile duktus lümenine düşen hücrelerin galektin-3'ü bol miktarda sentezlemeleri galektin-3'ün meme karsinomunun gelişiminde önemli rolünün olabileceği fikrini vermektedir.

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Cite This Article

SEYREK, K., ÇULHACI, N., KIRAL, K. F., SARAÇOĞLU, H. İ., BİLDİK, A. (2022). Expression and localisation of galectin-3 in invasive ductal breast carcinoma. Adnan Menderes Üniversitesi Tıp Fakültesi Dergisi, Cilt: 5 - Sayı: 1, 11–15. https://ajindex.com/articles/429092

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