α-Synuclein Expression Selectively Affects Tumorigenesis in Mice Modeling Parkinson's Disease
2011

α-Synuclein Expression Affects Tumor Growth in Mice with Parkinson's Disease

Sample size: 5 publication 10 minutes Evidence: moderate

Author Information

Author(s): Israeli Eitan, Yakunin Eugenia, Zarbiv Yonaton, Hacohen-Solovich Amir, Kisos Haya, Loeb Virginie, Lichtenstein Michal, Ben-Gedalya Tziona, Sabag Ofra, Pikarsky Eli, Lorberboum-Galski Haya, Sharon Ronit

Primary Institution: Hebrew University-Hadassah Medical School

Hypothesis

Does α-Synuclein expression influence tumorigenesis in different types of tumors?

Conclusion

The study found that α-Synuclein expression enhances tumor growth in certain types of cancer in mice modeling Parkinson's disease.

Supporting Evidence

  • Transgenic α-Syn expression was detected in tumor cells.
  • B16 melanoma and E0771 adenocarcinoma growth was enhanced in A53T α-Syn mice.
  • No effect on D122 Lewis lung carcinoma growth was observed.
  • Uptake of exogenously added α-Syn by cultured tumor cells was demonstrated.
  • Overexpression of α-Syn in cultured B16 and E0771 cells enhanced proliferation.

Takeaway

This study shows that a protein related to Parkinson's disease can help some tumors grow faster in mice.

Methodology

Transgenic mice expressing human A53T α-Syn were injected with different tumor cells, and tumor growth was measured over time.

Potential Biases

Potential bias in tumor measurement due to researchers being aware of mouse genotypes.

Limitations

The study primarily used mouse models, which may not fully replicate human disease.

Participant Demographics

Young (3-4 months old) and old (9-10 months old) A53T α-Syn mice were used.

Statistical Information

P-Value

0.015

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0019622

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