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Medical Forum / Diseases and Disorders / Asthma / August 2005

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Inflammatory pulmonary diseases / iron-chelating therapy

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ironjustice@aol.com - 31 Jul 2005 19:50 GMT
Iron-binding drugs targeted to lysosomes: a potential strategy to treat
inflammatory lung disorders.
Persson HL, Richardson DR
Expert Opin Investig Drugs. 2005 Aug ; 14(8): 997-1008

In many inflammatory lung disorders, an abnormal assimilation of
redox-active iron will exacerbate oxidative tissue damage. It may be
that the most important cellular pool of redox-active iron exists
within lysosomes, making these organelles vulnerable to oxidative
stress. In experiments employing respiratory epithelial cells and
macrophages, the chelation of intra-lysosomal iron efficiently
prevented lysosomal rupture and the ensuing cell death induced by
hydrogen peroxide, ionising radiation or silica particles. Furthermore,
cell-permeable iron-binding agents (weak bases) that accumulate within
lysosomes due to proton trapping were much more efficient for
cytoprotection than the chelator, desferrioxamine. On a molar basis,
the weak base alpha-lipoic acid plus was 5000 times more effective than
desferrioxamine at preventing lysosomal rupture and apoptotic cell
death in cell cultures exposed to hydrogen peroxide. Thus,
iron-chelating therapy that targets the lysosome might be a future
treatment strategy for inflammatory pulmonary diseases.

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Who loves ya.
Tom
Jesus Was A Vegetarian! http://jesuswasavegetarian.7h.com
Man Is A Herbivore!
http://pages.ivillage.com/ironjustice/manisaherbivore
DEAD PEOPLE WALKING
http://pages.ivillage.com/ironjustice/deadpeoplewalking
mcs - 04 Aug 2005 03:32 GMT
I have taken anti oxidants all my life and no effect and still have asthma,
However take me out of moderat or higher polluted cities and I am almost
better. There will be no cure EVER for people who has to breathe this toxin
in. Its like saying there will be a cancer free cigarette.
Iron-binding drugs targeted to lysosomes: a potential strategy to treat
inflammatory lung disorders.
Persson HL, Richardson DR
Expert Opin Investig Drugs. 2005 Aug ; 14(8): 997-1008

In many inflammatory lung disorders, an abnormal assimilation of
redox-active iron will exacerbate oxidative tissue damage. It may be
that the most important cellular pool of redox-active iron exists
within lysosomes, making these organelles vulnerable to oxidative
stress. In experiments employing respiratory epithelial cells and
macrophages, the chelation of intra-lysosomal iron efficiently
prevented lysosomal rupture and the ensuing cell death induced by
hydrogen peroxide, ionising radiation or silica particles. Furthermore,
cell-permeable iron-binding agents (weak bases) that accumulate within
lysosomes due to proton trapping were much more efficient for
cytoprotection than the chelator, desferrioxamine. On a molar basis,
the weak base alpha-lipoic acid plus was 5000 times more effective than
desferrioxamine at preventing lysosomal rupture and apoptotic cell
death in cell cultures exposed to hydrogen peroxide. Thus,
iron-chelating therapy that targets the lysosome might be a future
treatment strategy for inflammatory pulmonary diseases.

Abstract · PubMed · FullText · SFX · LF+ · GS · Order · Clip ·
Citation · BibTeX · Related · TouchGraph · Scopus · References ·
Tag
tags:  annotation:

Who loves ya.
Tom
Jesus Was A Vegetarian! http://jesuswasavegetarian.7h.com
Man Is A Herbivore!
http://pages.ivillage.com/ironjustice/manisaherbivore
DEAD PEOPLE WALKING
http://pages.ivillage.com/ironjustice/deadpeoplewalking
wc - 04 Aug 2005 03:55 GMT
>>In many inflammatory lung disorders, an abnormal assimilation of
redox-active iron will exacerbate oxidative tissue damage  (snip) <<

Oh God, another iron monger  . . . (plonk = killfile drawer)

Will, crna
maison.mousse - 04 Aug 2005 08:33 GMT
mcs a écrit dans le message ...
>I have taken anti oxidants all my life and no effect and still have asthma,
>However take me out of moderat or higher polluted cities and I am almost
>better. There will be no cure EVER for people who has to breathe this toxin
>in. Its like saying there will be a cancer free cigarette.
>Iron-binding drugs targeted to lysosomes: a potential strategy to treat
>inflammatory lung disorders.

You are correct! People who push phoney treatments
such as the so called "iron-chelating therapy" are among the worst of the
low lifes on the planets.
People who think humans are herbivores are among the stupidest on the
planet!!
ironjustice@aol.com - 04 Aug 2005 17:10 GMT
Taaa .. ber.. nach ..

Fermez .. le .. grande .. bush ..

Eh ..

Who loves ya.
Tom
Jesus Was A Vegetarian! http://jesuswasavegetarian.7h.com
Man Is A Herbivore!
http://pages.ivillage.com/ironjustice/manisaherbivore
DEAD PEOPLE WALKING
http://pages.ivillage.com/ironjustice/deadpeoplewalking
 
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