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Conditions & Diseases: Brain & Nervous SystemAlzheimer's DiseaseSee Also: Types of Alzheimer’s DiseaseAlzheimer’s disease is categorized into three types:
Mutations of three genes, namely presenilin 1, presenilin 2, and amyloid precursor protein, are associated with Early Onset Alzheimer’s disease. These genes in isolation do not cause Alzheimer’s, however, mutations of these genes, can cause the disease (7). Changes in the brains of younger people affected by Alzheimer’s disease are microscopic, involving twisting of nerve cells “known as neurofibrillary tangles” and formation of structures called plaques by a sticky protein called beta amyloid. These plaques and tangles tend to damage healthy brain cells leading to shrinking and atrophy (8). 2. Late Onset Alzheimer’s: 3. Familial Alzheimer’s Disease (FAD):
See Also: Article by Kona Vishnu, MS |
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Page Last Modified:
11 /19/2007