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Related Experiment Video

Updated: Jun 20, 2026

Cytotoxic Efficacy of Photodynamic Therapy in Osteosarcoma Cells In Vitro

Cytotoxic Efficacy of Photodynamic Therapy in Osteosarcoma Cells In Vitro

Published on: March 18, 2014

[MTT assay for detecting osteosarcoma cell apoptosis].

Qiang Chen¹, Jin-hua Zhang, Jian-ting Chen

¹Department of Spinal and Orthopedic Surgery, Southern Medical University, Guangzhou, China. cqnfyy@yahoo.com.cn

Nan Fang Yi Ke Da Xue Xue Bao = Journal of Southern Medical University

|September 26, 2009

Summary

The MTT assay is a practical method for detecting osteosarcoma cell apoptosis after chemotherapy. It accurately distinguishes apoptotic cells from normal and dead cells.

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Area of Science:

Oncology
Cell Biology
Biochemistry

Background:

Osteosarcoma is a primary bone cancer with significant mortality.
Accurate detection of chemotherapy-induced apoptosis is crucial for treatment monitoring.
Current apoptosis detection methods may have limitations in routine clinical settings.

Purpose of the Study:

To evaluate the feasibility of using the MTT assay for detecting apoptosis in osteosarcoma cells.
To determine if MTT assay can reliably distinguish apoptotic cells from other cell types.

Main Methods:

Osteosarcoma cells from surgical specimens were cultured in RPMI 1640 medium with 10% calf serum.
Chemotherapeutic agents were applied to the cultured cells.
MTT assay was performed, and apoptosis was observed via optical microscopy.

Main Results:

MTT staining effectively identified osteosarcoma cell apoptosis.
Apoptotic cells were clearly distinguishable from normal and dead cells using MTT assay.

Conclusions:

MTT assay is a convenient and practical method for detecting osteosarcoma cell apoptosis.
This assay offers a reliable way to assess chemotherapy response in osteosarcoma.