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Apoptosis in cell culture
1Centre for Bioprocess Engineering, School of Chemical Engineering, University of Birmingham, Edgbaston, UK. M.AL-Rubeai@bham.ac.uk
Current Opinion in Biotechnology
|May 20, 1998
Summary
Programmed cell death, known as apoptosis, is a controlled process in animal cells. Suppressing apoptosis in biopharmaceutical production using anti-apoptosis genes like bcl-2 can significantly enhance culture productivity.
Area of Science:
- Cell Biology
- Biotechnology
- Bioprocess Engineering
Background:
- Cells possess a genetically controlled pathway for self-destruction, termed programmed cell death.
- Apoptosis is a distinct, well-characterized form of programmed cell death in animal cells.
- Apoptosis is a major contributor to cell death during biopharmaceutical production using animal cell lines.
Purpose of the Study:
- To investigate the factors inducing apoptosis in bioreactor environments.
- To explore strategies for enhancing biopharmaceutical production by managing apoptosis.
- To evaluate the impact of anti-apoptosis gene overexpression on cell culture productivity.
Main Methods:
- Identification of factors responsible for apoptosis induction in bioreactors.
- Overexpression of anti-apoptosis genes, specifically bcl-2.
- Monitoring and analysis of cell death and productivity in cell cultures.
Main Results:
- Key factors inducing apoptosis in bioreactor settings have been identified.
- Overexpression of anti-apoptosis genes, such as bcl-2, effectively suppresses apoptosis.
- Suppression of apoptosis leads to improved culture productivity in biopharmaceutical manufacturing.
Conclusions:
- Apoptosis is a critical factor influencing biopharmaceutical production yields.
- Targeting apoptosis pathways, particularly through bcl-2 overexpression, offers a viable strategy to boost productivity.
- Understanding and controlling apoptosis is essential for optimizing biomanufacturing processes.