Re: hunger hormone linked to memory



James Michael Howard wrote:
> On 20 Jul 2005 06:59:30 -0700, "outrider" <outrider@xxxxxxxxxxxxx> wrote:
>
> >Hunger hormone linked to memory
> >
> >
> >Scientists have been looking at the hormone that controls hunger
> >The hormone that controls the body's hunger pangs may also boost the
> >memory, according to Scottish scientists.
> >
> >Researchers at Dundee University have found a link between the hormone
> >leptin and the brain's memory and learning process.
> >
> >Leptin controls food intake and body weight and staves off the urge to
> >eat.
> >
> >The study was carried out by a team which specialises in the braincell
> >processes that produce learning and memory.
> >
> >Jenni Harvey, one of the researchers, said: "The hormone leptin, which
> >is known to control food intake and body weight, has been shown to
> >exert a profound influence on learning and memory processes in a region
> >of the brain called the hippocampus.
> >
> >Gene defects
> >
> >"Leptin enhances the level of communication between brain cells in the
> >hippocampus in a process known as long-term potentiation (LTP)."
> >
> >It has been shown previously that people suffering from obesity have
> >defects in their leptin levels and in the LTP process.
> >
> >The group's findings could therefore shed light on how obesity affects
> >learning and memory.
> >
> >Dr Harvey said: "Defects in either leptin or genes that regulate leptin
> >result in obesity and also cause impairments in LTP."
> >
> >The team is currently examining the precise mechanisms that are
> >responsible for the effects of leptin on LTP.
> >
> >The findings are being presented at the annual BioScience conference,
> >being held in Glasgow until Thursday.
> >
> >fairuse
> >
> >
> >http://news.bbc.co.uk/2/hi/uk_news/scotland/4694179.stm
>
>
> Leptin and DHEA tied together also (Medicina (Kaunas). 2005;41(4):305-12) and
> DHEA was demonstrated to enhance memory years ago.


Good news. What you have said is being corroborated.

Zee

.

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