Researchers discovered stranded dolphins with signs of Alzheimer's disease

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The results revealed that the brains of all the aged animals studied had amyloid-beat plaques.

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Researchers discovered stranded dolphins with signs of Alzheimer's disease

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BY DEENA THERESA

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A new study that delved into the brains of three different species of stranded dolphins found that the odontocetes (toothed whales) had markers of human Alzheimer's disease.

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The current study included five different species. Among them, all the different dolphin species had markers of Alzheimer's disease.

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The findings may provide a possible answer to unexplained live-stranding events in some odontocete species

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The animals were examined for the formation of amyloid-beta plaques, the accumulation of phospho-tau, and gliosis - "hallmarks" of Alzheimer's disease.

The results revealed that the brains of all the aged animals studied had amyloid-beat plaques.

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Now three animals, among the 22 odontocetes studied, had amyloid-beta plaques along with other dementia-related pathologies in their brains.

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The study, however, is no confirmation if the animals suffered the same cognitive defects noted with clinical Alzheimer's disease in humans.

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The results of the study were published in the European Journal of Neuroscience.

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