Journals / Mikrobiyoloji Bülteni / 2021 / Cilt: 55 - Sayı: 2

Evaluation of the Effect of Hydatid Cyst Fluid on the Apoptosis Pathway in BEAS-2B and A549 Cell Lines

BEAS-2B ve A549 Hücre Hatlarında Hidatik Kist Sıvısının Apoptoz Yolağı Üzerine Etkisinin Değerlendirilmesi

Pages
248–255
DOI
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AI Summary & Key Takeaways

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

In this study, it was found that the application of hydatid cyst fluid did not directly cause cell death but it has shown for the first time to sensitize the A549 cell line, which is resistant to apoptosisand shed light on the possible mechanism of hydatid cyst fluid in the apoptotic pathway.

📌 3 Key Takeaways

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Objective & Hypothesis:Some of the pathogenic microorganisms have been associated with cancer due to the activation of cancer precursors in the host because of the inflammatory processes.
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Key Findings & Data:The aim of this study was to evaluate the effect of hydatid cyst fluid administration on cell proliferation and expression of some apoptotic genes (BCL-2, p53 and BAX) in human healthy lung epithelial (BEAS-2B) and human lung adenocarcinoma (A549) cell lines and understanding the molecular mechanism underlying the possible anti-cancer action mechanism of hydatid cyst fluid.
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Conclusion & Impact:In this study, it was found that the application of hydatid cyst fluid did not directly cause cell death but it has shown for the first time to sensitize the A549 cell line, which is resistant to apoptosisand shed light on the possible mechanism of hydatid cyst fluid in the apoptotic pathway.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Some of the pathogenic microorganisms have been associated with cancer due to the activation of cancer precursors in the host because of the inflammatory processes. Additionally, some other pathogens prevents the tumor formation by creating an anti-neoplastic immune response which has been reported to stop the development of cancer. Cystic echinococcosis (CE) or cyst hydatid disease (CHD) is a zoonotic infection caused by the larval form of Echinococcus granulosus sensu lato in humans. It has been reported that there is a negative correlation between E.granulosus infection and cancer and it has been suggested that direct and/or indirect E.granulosus infection may have an anti-cancer effect. However, the molecular mechanisms of this effect still remains unclear. The aim of this study was to evaluate the effect of hydatid cyst fluid administration on cell proliferation and expression of some apoptotic genes (BCL-2, p53 and BAX) in human healthy lung epithelial (BEAS-2B) and human lung adenocarcinoma (A549) cell lines and understanding the molecular mechanism underlying the possible anti-cancer action mechanism of hydatid cyst fluid. In order to evaluate the effect of hydatid cyst fluid on cell proliferation and apoptotic gene expression, cell proliferation assay (XTT) and real-time polymerase chain reaction (Rt-PCR) were performed, respectively. After the application of hydatid cyst fluid, there was no change in the cell proliferation. A statistically significant decrease in BCL-2 gene expression (> 90 fold) and an increase in p53 gene expression (> 1.2 fold) were found. No significant change in BAX gene expression was detected. In this study, it was found that the application of hydatid cyst fluid did not directly cause cell death but it has shown for the first time to sensitize the A549 cell line, which is resistant to apoptosisand shed light on the possible mechanism of hydatid cyst fluid in the apoptotic pathway.

Özet

Bazı patojen mikroorganizmalar konak hücresinde karsinogenez öncüsü enflamatuvar sürecin aktivasyonuna yol açmaları nedeniyle kanser gelişimi ile ilişkilendirilmiştir. Diğer bazı patojenlerin ise, anti-neoplastik immün yanıt oluşturarak tümör oluşumunu engellediği ve kanser gelişimini durdurduğu bildirilmiştir. Kistik ekinokokkoz (KE) veya kist hidatik (KH), Echinococcus granulosus sensu lato (sl)’nun larva formunun insanlarda neden olduğu zoonotik bir enfeksiyondur. E.granulosus enfeksiyonu ile kanser arasında negatif bir korelasyon olduğu bildirilmiş, direkt ve/veya indirekt olarak E.granulosus enfeksiyonunun anti-kanser etkisi olabileceği öne sürülmüştür. Ancak, bu etkinin moleküler mekanizmaları belirsizliğini korumaktadır. Bu çalışmada, E.granulosus kaynaklı kist sıvısı uygulamasının sağlıklı insan akciğer epitelyal (BEAS-2B) ve insan akciğer adenokarsinom (A549) hücre hatlarında hücre proliferasyonu ve bazı apoptotik gen (BCL-2, p53 ve BAX) ekspresyonları üzerine etkisinin değerlendirilmesi ile E.granulosus kist sıvısının olası anti-kanser etki mekanizmasının altında yatan moleküler mekanizmanın aydınlatılması amaçlanmıştır. E.granulosus kist sıvısının hücre proliferasyonuna ve apoptotik gen ekspresyonları üzerine etkisini değerlendirmek amacıyla sırasıyla hücre proliferasyonu deneyi (XTT) ve gerçek zamanlı polimeraz zincir reaksiyonu (Rt-PCR) gerçekleştirilmiştir. Hidatik kist sıvısı uygulamasının ardından hücre proliferasyonu açısından herhangi bir değişiklik saptanmamıştır. İstatistiksel olarak anlamlı olmak üzere, BCL-2 gen ekspresyonunda azalma (> 90 kat), p53 gen ekspresyonunda ise artış (> 1.2 kat) saptanmıştır. BAX gen ekspresyonu açısından anlamlı bir değişiklik tespit edilmemiştir. Bu çalışma ile hidatik kist sıvısı uygulamasının direkt olarak hücre ölümüne neden olmadığı; apoptoza karşı dirençli olan A549 hücre hattını apoptoza duyarlı hale getirdiği ilk kez gösterilmiş ve hidatik kist sıvısının apoptotik yolaktaki olası mekanizmasına ışık tutulmuştur.

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Cite This Article

BAYSAL, İ., ÖRSTEN, S. (2021). Evaluation of the Effect of Hydatid Cyst Fluid on the Apoptosis Pathway in BEAS-2B and A549 Cell Lines. Mikrobiyoloji Bülteni, Cilt: 55 - Sayı: 2, 248–255. https://ajindex.com/articles/341017

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