Suppression of Radiation-Induced Salivary Gland Dysfunction by IGF-1
2009

IGF-1 Helps Prevent Salivary Gland Damage from Radiation

Sample size: 10 publication Evidence: moderate

Author Information

Author(s): Limesand Kirsten H., Said Sherif, Anderson Steven M.

Primary Institution: University of Colorado School of Medicine

Hypothesis

Can IGF-1 prevent salivary gland dysfunction caused by radiation treatment in head and neck cancer patients?

Conclusion

IGF-1 injections before radiation exposure can significantly reduce salivary gland damage and preserve saliva production.

Supporting Evidence

  • Radiation treatment often causes dry mouth due to salivary gland damage.
  • IGF-1 injections before radiation significantly reduced cell death in salivary glands.
  • Mice treated with IGF-1 maintained normal saliva production after radiation.

Takeaway

This study shows that giving a special protein called IGF-1 before radiation can help keep saliva glands working well, so people don't have dry mouths after treatment.

Methodology

Mice were treated with radiation and some received IGF-1 injections to assess apoptosis and saliva production.

Participant Demographics

Four-week old female FVB and myr-Akt1 transgenic mice were used.

Statistical Information

P-Value

p≤0.05

Statistical Significance

p≤0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0004663

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