Визуализация белков репарации повреждений ДНК в органоидах рака яичников пациента с помощью иммунофлюоресцентных анализов

Overview

This protocol outlines methods for evaluating DNA damage repair proteins in ovarian cancer organoids derived from patients. It includes comprehensive plating and staining techniques along with objective quantification procedures.

Key Study Components

Area of Science

• Ovarian cancer research
• DNA damage response
• Organoid technology

Background

• Understanding DNA damage response is crucial for ovarian cancer pathophysiology.
• This study explores potential biomarkers for targeted therapy.
• The protocol allows examination of antigens in their functional locations.
• It is adaptable to various antigens suitable for immunofluorescence.

Purpose of Study

• To investigate DNA damage repair processes in ovarian cancer.
• To provide insights into chemotherapeutic and PARP inhibitor resistance.
• To develop methods applicable to other studies involving 3D cultures and organoids.

Methods Used

• Aspirating media from irradiated and incubated organoids without disrupting the 3D matrix.
• Utilizing immunofluorescence for antigen examination.
• Implementing quick and adaptable protocols for various antigens.
• Employing objective quantification procedures for analysis.

Main Results

• Insights into DNA damage repair mechanisms in ovarian cancer.
• Identification of resistance mechanisms to chemotherapeutics.
• Demonstration of the protocol's adaptability to different antigens.
• Potential application of methods to other areas of study.

Conclusions

• The protocol provides a valuable tool for studying DNA damage response in ovarian cancer.
• It enhances understanding of treatment resistance mechanisms.
• Methods can be broadly applied to various research contexts involving organoids.

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