Methamphetamine Induces Striatal Cell Death Followed by the Generation of New Cells and a Second Round of Cell Death in Mice
2011

Methamphetamine Causes Cell Death and New Cell Generation in Mice

Sample size: 49 publication 10 minutes Evidence: moderate

Author Information

Author(s): Tulloch I. K, Afanador L, Zhu J, Angulo J. A

Primary Institution: Hunter College of the City University of New York

Hypothesis

Does methamphetamine induce cell death followed by the generation of new cells in the striatum of mice?

Conclusion

Methamphetamine induces the generation of new cells in the striatum, which later die, leading to normalization of striatal volume over three months.

Supporting Evidence

  • METH induces rapid cell loss followed by new cell generation.
  • Newly generated cells die over a period of three months.
  • Striatal volume increases after METH administration and normalizes over time.

Takeaway

When mice are given methamphetamine, they first lose some brain cells, but then their brains try to make new ones, which eventually die off.

Methodology

Male ICR mice were injected with methamphetamine and bromo-deoxyuridine at various time points, followed by analysis of cell proliferation and apoptosis.

Potential Biases

Potential bias in animal selection and treatment conditions.

Limitations

The study was conducted on mice, which may not fully represent human responses to methamphetamine.

Participant Demographics

Male ICR mice aged 10 to 13 weeks.

Statistical Information

P-Value

p<0.0001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.2174/157015911795017281

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