Showing posts with label amyloid. Show all posts
Showing posts with label amyloid. Show all posts

Thursday, 2 May 2019

Doctors Recommend Control Cholesterol Levels

Doctors Recommend Control Cholesterol Levels.
Keeping "bad" cholesterol in inspect and increasing "good" cholesterol is not only tolerable for your heart, but also your brain, new research suggests. A contemplation from the University of California, Davis, found that low levels of "bad" (LDL) cholesterol and excessive levels of "good" (HDL) cholesterol are linked to lower levels of so-called amyloid marker in the brain. A build-up of this plaque is an indication of Alzheimer's disease, the researchers said in a university word release.

The researchers suggested that maintaining healthy cholesterol levels is just as important for cognition health as controlling blood pressure. "Our study shows that both higher levels of HDL and earlier levels of LDL cholesterol in the bloodstream are associated with lower levels of amyloid plaquette deposits in the brain," the study's lead author, Bruce Reed, associate director of the UC Davis Alzheimer's Disease Center, said in the report release. "Unhealthy patterns of cholesterol could be later causing the higher levels of amyloid known to contribute to Alzheimer's, in the same way that such patterns strengthen heart disease".

The study, which was published in the Dec 30, 2013 online print run of the journal JAMA Neurology, involved 74 men and women recruited from California tap clinics, support groups, senior-citizen facilities and the UC Davis Alzheimer's Disease Center. All of the participants were old 70 or older. Of this group, three people had meek dementia, 33 had no problems with brain function and 38 had mild impairment of their brain function.

Sunday, 25 November 2018

Alzheimer's Disease Is Genetic Mutation

Alzheimer's Disease Is Genetic Mutation.
People with genetic mutations that hero to inherited, ancient onset Alzheimer's disease overproduce a longer, stickier form of amyloid beta, the protein bit that clumps into plaques in the brains of Alzheimer's patients, a small additional study has found. Researchers found that these people make about 20 percent more of a type of amyloid beta - amyloid beta 42 - than division members who do not carry the Alzheimer's mutation, according to check in published in the June 12, 2013 edition of Science Translational Medicine. Further, researchers Rachel Potter at Washington University School of Medicine in St Louis and colleagues found that amyloid beta 42 disappears from cerebrospinal liquor much more hastily than other known forms of amyloid beta, literary perchance because it is being deposited on plaques in the brain.

Alzheimer's researchers have long believed that brain plaques created by amyloid beta cause the retention loss and thought impairment that comes with the disease. This late study does not prove that amyloid plaques cause Alzheimer's, but it does provide more evidence regarding the speed the disease develops and will guide future research into diagnosis and treatment, said Dr Judy Willis, a neurologist and spokesperson for the American Academy of Neurology.

The metamorphosis occurs in the presenilin gene and has times been linked to increased production of amyloid beta 42 over amyloid beta 38 and 40, the other types of amyloid beta found in cerebrospinal fluid, the go into said. Earlier studies of the lenient brain after death and using animal research have suggested that amyloid beta 42 is the most distinguished contributor to Alzheimer's.

The new study confirms that connection and also quantifies overproduction of amyloid beta 42 in living merciful brains. The investigators also found that amyloid beta 42 is exchanged and recycled in the body, slowing its take to one's heels from the brain. "The amyloid protein buildup has been hypothesized to correlate with the symptoms of Alzheimer's by causing neuronal damage, but we do not be informed what causes the abnormalities of amyloid overproduction and decreased removal".

The findings from the unripe study "are supportive of abnormal gross of amyloid occurring in people with the genetic mutation decades before the onset of their symptoms. Researchers conducted the ponder by comparing 11 carriers of mutated presenilin genes with family members who do not have the mutation. They reach-me-down advanced scanning technology that can "tag" and then track newly created proteins in the body.