MAM and Its Effects on Brain Pathways Related to Neurodegenerative Disease and Cancer
Author Information
Author(s): Glen E. Kisby, Rebecca C. Fry, Michael R. Lasarev, Theodor K. Bammler, Richard P. Beyer, Mona Churchwell, Daniel R. Doerge, Lisiane B. Meira, Valerie S. Palmer, Ana-Luiza Ramos-Crawford, Xuefeng Ren, Robert C. Sullivan, Terrance J. Kavanagh, Leona D. Samson, Helmut Zarbl, Peter S. Spencer
Primary Institution: Oregon Health & Science University
Hypothesis
The DNA-damaging properties of MAM activate molecular networks associated with the degeneration of post-mitotic neurons in neurodegenerative disease.
Conclusion
MAM induces persistent DNA damage and modulates signaling pathways in the brains of mice, which may relate to neurodegenerative diseases like ALS and Alzheimer's.
Supporting Evidence
- MAM treatment resulted in DNA damage in the brains of adult mice.
- Significant differences in gene expression were observed between wild-type and Mgmt−/− mice.
- Pathways associated with cancer and neurodegeneration were activated in response to MAM.
- Persistent DNA damage was linked to changes in neurotransmitter signaling pathways.
Takeaway
MAM, a toxin from a plant, can hurt brain cells and might be linked to diseases like Alzheimer's and ALS.
Methodology
Adult C57BL6 wild-type and Mgmt−/− mice were treated with a single systemic dose of MAM, and DNA damage and gene expression were analyzed.
Potential Biases
Potential bias in gene expression analysis due to the use of different laboratories.
Limitations
The study primarily used mouse models, which may not fully replicate human responses.
Participant Demographics
C57BL6 wild-type and Mgmt−/− mice.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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