Team:UCL/Background

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RESEARCH

Alzheimer's Disease

Dementia is an age related neurodegenerative condition, characterised by failure of recent memory and intellectual functions (attention, language, visual-spatial orientation, abstract thinking, judgement), and tends to progress steadily. These changes are due to the mounting dysfunction and death of brain cells, called neurons, that are responsible for the storage and computation of information. Late stages of the disease often see patients bedridden, mute and incontinent. Although some drugs can temporarily improve memory, pharmaceutical research, through enlightening, has been clinically unsuccessful. At present there are no treatments that can halt, let alone revert, the inexorable progression of dementia.

Alzheimer’s disease is the most common of the dementias, afflicting 5-10% of the US population over 45, and 2% of the population in industrialised countries (Mattson 2004). It is predicted that its incidence will rocket up threefold 50 years from now (http://www.alz.org). It is mainly ‘late-onset’, arising after the age of 60, though rarer early onset types exist. Because there are other forms of dementia and other means of memory impairment, AD can only be verified post-mortem by examining the deceased’s brain.

Neuropathology

There are many vying hypotheses which postulate how Alzheimer’s Disease (AD) may arise. There are many vying hypotheses which postulate how Alzheimer’s Disease (AD) may arise. Words words words words words words words words.

Microglia

There are many vying hypotheses which postulate how Alzheimer’s Disease (AD) may arise. There are many vying hypotheses which postulate how Alzheimer’s Disease (AD) may arise. Words words words words words words words words.