Journal article
Ethanol Induces Cell Death and Cell Cycle Delay in Cultures of Pheochromocytoma PC12 Cells
Alcoholism, clinical and experimental research, Vol.23(4), pp.644-656
1999
DOI: 10.1097/00000374-199904001-00011
PMID: 10235300
Abstract
Animal models have clearly established that ethanol exposure can deplete neurons in the developing nervous system. However, the mechanism by which ethanol reduces cell number is unclear. In our study, cultures of pheochromocytoma cells, a neuronal-like cell line, were maintained in media, which supported cell proliferation. Although cell numbers continued to increase in the presence of ethanol, this increase was partially inhibited by ethanol exposure. This inhibitory effect was concentration and duration dependent. Cell proliferation was still partially inhibited after removal of ethanol, but this inhibition was temporary and disappeared after a 24-hr recovery period in ethanol-free conditions. Further study indicated that ethanol partially inhibited the increase in cell numbers by two mechanisms: (1) studies with vital stains indicated that ethanol induced cell death; (2) experiments using synchronized pheochromocytoma cell cultures showed that ethanol can induce cell cycle delay, thereby lengthening the doubling time of the cells. Analysis by flow cytometry indicated that with ethanol exposure, the cells accumulated in the G1 phase of the cell cycle. Our results suggest that in the developing nervous system, ethanol may limit the numbers of proliferating, neuronal precursor cells by two simultaneous mechanisms, cell death and cell cycle delay.
Details
- Title: Subtitle
- Ethanol Induces Cell Death and Cell Cycle Delay in Cultures of Pheochromocytoma PC12 Cells
- Creators
- Jia LuoJames R WestRobert T CookNicholas J Pantazis
- Resource Type
- Journal article
- Publication Details
- Alcoholism, clinical and experimental research, Vol.23(4), pp.644-656
- DOI
- 10.1097/00000374-199904001-00011
- PMID
- 10235300
- NLM abbreviation
- Alcohol Clin Exp Res
- ISSN
- 0145-6008
- eISSN
- 1530-0277
- Publisher
- Wiley
- Language
- English
- Date published
- 1999
- Academic Unit
- Anatomy and Cell Biology; Pathology
- Record Identifier
- 9984186503402771
Metrics
13 Record Views