Is the cause of Alzheimer's disease an infection?
Leading scientists have blamed viruses and bacteria for Alzheimer's disease
The cause of Alzheimer's disease can be viruses – for example, herpes. This statement was made in an editorial (Itzhaki et al., Microbes and Alzheimer's Disease) of the Journal of Alzheimer's Disease by 31 leading specialists of the planet. Scientists demand immediate large-scale research on the connection of bacteria and viruses with this form of senile dementia.
Now most Alzheimer's specialists are trying to find drugs that would prevent the accumulation of amyloid plaques and "wrong" proteins that interfere with communication between nerve cells. However, the authors of the editorial claim that bacterial and viral infections trigger the process of plaque formation, and it is necessary to fight them.
We are talking primarily about the herpes virus, as well as bacteria – chlamydia and spirochetes. There are quite a lot of them accumulating in the brain of elderly people – and in a situation of stress and weakening of the immune system, they "wake up". The herpes virus, in particular, damages the limbic system of the brain.
In addition, scientists note that a certain mutation of the APOE gene, which makes one in five vulnerable to Alzheimer's disease, also increases the susceptibility to infectious diseases.
Finally, an abundance of harmful microbes in the blood can play an important role in inflammatory processes, including those characteristic of Alzheimer's disease.
"We want to express our concern about the insufficient attention paid to this aspect of the disease. Many studies, including on humans, have already pointed to the special role of the herpes simplex virus of the first type, Chlamydophila pneumoniae and several types of spirochaetes. We believe that further studies of the role of microorganisms in the development of Alzheimer's disease are justified," the doctors write.
In 2015, another group of doctors discovered that certain medical procedures can become a source of infection with Alzheimer's disease, which is considered non-contagious. (As it soon turned out, the authors of the article did not write anything about the contagion of Alzheimer's, and the sensation, inflated in the media, was called complete nonsense – VM.) Beta-amyloids (the main component of amyloid plaques) were received by short patients from the UK who underwent treatment with human growth hormone.
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11.03.2015