PRTFDC1 as a Modifier of HPRT-Deficiency in Mice
Author Information
Author(s): Keebaugh Alaine C., Mitchell Heather A., Gaval-Cruz Meriem, Freeman Kimberly G., Edwards Gaylen L., Weinshenker David, Thomas James W.
Primary Institution: Emory University School of Medicine
Hypothesis
HPRT deficiency is modified by the presence/absence of PRTFDC1.
Conclusion
PRTFDC1 is a genetic modifier of HPRT-deficiency in mice, influencing aggression and sensitivity to amphetamine-induced behavior.
Supporting Evidence
- Mice expressing PRTFDC1 were viable and fertile.
- HPRT-deficient mice with PRTFDC1 showed increased aggression.
- Sensitivity to amphetamine-induced stereotypy was higher in HPRT-deficient mice expressing PRTFDC1.
- Dopamine levels were reduced in HPRT-deficient mice but not significantly altered by PRTFDC1.
- PRTFDC1 was expressed in tissues affected in Lesch-Nyhan disease.
Takeaway
Scientists studied mice to see how a gene called PRTFDC1 affects behavior when another gene, HPRT, is missing. They found that PRTFDC1 makes the mice more aggressive and sensitive to certain drugs.
Methodology
Transgenic mice expressing human PRTFDC1 were created and tested for behavioral changes in aggression and drug response.
Limitations
The study does not fully replicate the severe phenotypes observed in LND patients.
Participant Demographics
Mice used in the study were of various genetic backgrounds including wild-type and HPRT-deficient.
Statistical Information
P-Value
0.0012
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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