AI Article Synopsis
- The study explores the potential connection between the urea cycle and Alzheimer's disease (AD) by comparing gene expression in control and AD brains.
- Researchers confirmed that all urea cycle enzyme genes are expressed in the AD brain, with arginase 2 showing higher expression in AD patients compared to controls.
- A specific allele of arginase 2, known as rs742869, was linked to an increased risk of AD in men and an earlier onset of the disease for both genders, while other urea cycle genes did not show significant differences.
Article Abstract
Since previous observations indicated that the urea cycle may have a role in the Alzheimer's disease (AD) process, we set out to quantify the expression of each gene involved in the urea cycle in control and AD brains and establish whether these genes could be genetic determinants of AD. We first confirmed that all the urea cycle enzyme genes are expressed in the AD brain. The expression of arginase 2 was greater in the AD brain than in the control brain. The presence of the rare arginase 2 allele rs742869 was associated with an increase in the risk of AD in men and with an earlier age-at-onset for both genders. None of the other genes in the pathway appeared to be differentially expressed in the AD brain or act as genetic determinants of the disease.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2945690 | PMC |
| http://dx.doi.org/10.3233/JAD-2010-100630 | DOI Listing |
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