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Reply | Forward Message #229 of 634 |
Re: Canadian scientists reverse diabetes in mice

There have been several blog postings about this on the Diabetes OC
blogs (http://diabetesoc.blogspot.com/).

Bernard
http://www.bernardfarrell.com/blog/blogger.html

--- In nathanfaustmantrials@yahoogroups.com, Gr8discjck
<gr8discjck@...> wrote:
>
> Well, you would think that with some of the recent findings, there
certainly would be a lot of discussion here. I'm disappointed. My last
posting regarding the nervous system playing a role in T1, throws all
research on it's ear.
>
> imcimc1 <curtieimc@...> wrote: It seems that if there is no
new research news from the Faustman lab
> then there is no dialogue on this Yahoo group.
>
> --- In nathanfaustmantrials@yahoogroups.com, Gr8discjck
> <gr8discjck@> wrote:
> >
> > Has everyone given up hope? This group has been silent for a long
> time.
> > What gives?
> >
> > Gr8discjck <gr8discjck@> wrote:
> > http://www.cbc.ca/health/story/2006/12/14/diabetes-
> neuron.html#skip300x250
> >
> > Canadian scientists reverse diabetes in mice Last Updated:
> Friday, December 15, 2006 | 8:04 AM ET CBC News
> >
> > Researchers working on a "breakthrough" discovery that identifies
> the role of pain nerves in the cells that produce insulin have
> prevented and reversed diabetes in mice.
> > The work "led us to fundamentally new insights into the
> mechanisms of this disease," Dr. Michael Salter, co-principal
> investigator, said in a release Thursday that characterized the
> findings as a breakthrough.
> > Researchers concluded that the pain receptors don't secrete
> enough neuropeptides � chemical elements found in the brain � to keep
> the pancreatic islets, which produce insulin, working normally.
> Without insulin, humans die, and even the current replacement
> therapies cannot prevent side effects, such as heart attack,
> blindness, stroke, loss of limbs and kidney failure.
> > But by supplying neuropeptides to diabetes-prone mice, "the
> research group learned how to treat the abnormality � and even
> reversed established diabetes," without bad side effects, the release
> said.
> > "The major discovery was that removal of sensory neurons
> expressing the receptor TRPV1 neurons in NOD (non-obese diabetic)
> mice prevented islet cell inflammation and diabetes in most animals,"
> Salter said.
> > Continue Article
> >
> > Gr8discjck <gr8discjck@> wrote:
> >
> >
> >
> > http://www.eurekalert.org/pub_releases/2006-11/mgh-
> ndf112106.php
> > New data from NIH lab confirms protocol to reverse type 1
> diabetes in mice Data also support role for adult spleen cells in
> regeneration of beta cells New data published in the Nov. 24 issue
> of Science provide further support for a protocol to reverse type 1
> diabetes in mice and new evidence that adult precursor cells from the
> spleen can contribute to the regeneration of beta cells. In 2001 and
> 2003, researchers at Massachusetts General Hospital (MGH)
> demonstrated the efficacy of a protocol to reverse of type 1 diabetes
> in diabetic mice. Three studies from other institutions published in
> the March 24, 2006 issue of Science confirmed that the MGH-developed
> protocol can reverse the underlying disease but were inconclusive on
> the role of spleen cells in the recovery of insulin-producing
> pancreatic islets. The new data from a study performed at the
> National Institutes of Health (NIH), published as a technical
> comment, provides additional confirmation of the ability to
> > reverse type 1 diabetes and on the role of the spleen cells in
> islet regeneration.
> > "This data from the NIH and the earlier studies have added
> significantly to the understanding of how diabetes may be reversed,"
> says Denise Faustman, MD, PhD, director of the Immunobiology
> Laboratory at Massachusetts General Hospital, primary author of the
> 2001 and 2003 studies and co-corresponding author of the current
> report. "It is still early, but it appears that there are multiple
> potential sources for regenerating islets. As a research community we
> should pursue all avenues. We're excited to see what will happen in
> humans."
> > In the 2001 and 2003 studies, Faustman and colleagues treated end-
> stage nonobese diabetic (NOD) mice with Freund's complete adjuvant, a
> substance that suppresses the activity of the immune cells that
> destroy islets in type 1 diabetes. They also introduced donor spleen
> cells to retrain the immune system not to attack islets and found
> that the protocol not only halted the immune destruction caused by
> diabetes but also allowed the insulin-producing pancreatic islet
> cells to regenerate. Evidence indicated that the spleen cells were
> the source of at least some of the regenerated islet cell and
> hastened the restoration of blood sugar levels.
> > The direct contribution of spleen cells to islet recovery, first
> described in the 2003 study, is confirmed in the current work. NIH
> researchers used cell lineage tracking in the form of Y-chromosomal
> fluorescence in situ hybridization (FISH), in combination with
> insulin staining, to follow the fate of male spleen cells
> transplanted into female recipients. The female mice that received
> male donor cells consistently showed Y-chromosome-positive insulin-
> producing islet cells, indicating that the introduced spleen cells
> contribute to islet recovery. The current study also showed that the
> degree of spleen cell contribution is influenced by mouse age at the
> start of treatment. Spleen cells appear to contribute to islet
> recovery more in mice who are older and with more advanced diabetes
> compared with younger mice with less advanced diabetes, in which
> regeneration of remaining islets may be the dominant mechanism.
> > ###
> > The research to support the new data was conducted at the NIH
> laboratory of Eva Mezey, MD, PhD, co-corresponding author of the
> report. It was funded by the Sjogren's Syndrome Foundation, National
> Institutes of Health/NIDCR intramural program, Canadian Institutes of
> Health Research and Canada Research Chair. The three studies
> published in March 2006 were supported by the Juvenile Diabetes
> Research Foundation. Faustman's research at Massachusetts General
> Hospital has been supported by The Iacocca Foundation, which is also
> supporting a clinical trial program based on her research.
> > Massachusetts General Hospital, established in 1811, is the
> original and largest teaching hospital of Harvard Medical School. The
> MGH conducts the largest hospital-based research program in the
> United States, with an annual research budget of nearly $500 million
> and major research centers in AIDS, cardiovascular research, cancer,
> computational and integrative biology, cutaneous biology, human
> genetics, medical imaging, neurodegenerative disorders, regenerative
> medicine, transplantation biology and photomedicine. MGH and Brigham
> and Women's Hospital are founding members of Partners HealthCare
> System, a Boston-based integrated health care delivery system.
> >
> >
> >
> > Scott Strumello <sstrumello@> wrote:
> > Similar to Joshua, I also questioned the use of BCG, but I
> did read
> > the references to why Dr. Faustman and company believe BCG has
> > potential to work (kindly re-posted by Stacy Lavery). I believe her
> > explanation is sufficient to warrant further investigation, as we
> may
> > now have more evidence to suggest appropriate dosages, how to
> > administer, and above all, how to measure whether and how it is
> > working, all things that the Israeli researchers did not have when
> > their initial studies were undertaken.
> >
> > Although I believe that many people may blindly believe that this
> > will be the definitive cure for their child, my suspicion is that
> > these trials may reveal conditions when BCG will work, and perhaps
> > when it will not, therefore adding to the knowledge on how to
> correct
> > autoimmune diseases, and under what circumstances -- all things
> that
> > we do not currently have, therefore I support further research.
> >
> > Having lived with type 1 diabetes for 30 years now, I have heard
> all
> > of these promises before, therefore I believe we should be more
> > skeptical, but I do believe this is research that needs to be
> > undertaken, the only difference is that I think we need to be
> > realistic about what is likely to emerge from this research. Like
> > Joshua, I would like to see more details from the research team so
> > that expectations can be set realistically.
> >
> > Regards,
> > Scott
> >
> > --- In nathanfaustmantrials@yahoogroups.com, Joshua Levy
> > <joshualevy@> wrote:
> > >
> > >
> > > Thanks very much for posting this! I hope that someone in
> > Faustman's
> > > lab will either add a reference to the exact study that cured
> > someone
> > > of type-1 diabetes using BCG (even during the honeymoon phase).
> The
> > > other quote that I saw made it very clear that their person did
> not
> > > have type-1 diabetes at the time of treatment. (But maybe there
> is
> > a
> > > different person.) I suspect that the quote represents a
> > confabulation
> > > of different studies. But I would love to be proven wrong on that!
> > >
> > > In any case, I think that FAQ answer should be updated with an
> exact
> > > source (not the vague "in human studies").
> > >
> > > --- Stacy Lavery <stacy_lavery@> wrote:
> > >
> > > > Hi Joshua,
> > > >
> > > > I thought I remembered reading something to that effect also,
> and
> > I
> > > > think I've found the quote to which she was referring. It
> doesn't
> > > > mention which human study by name here, but in context, it
> sounds
> > > > like it was the Israeli study since it mentions two more studies
> > > > after it, which was the scenario described in the Scientific
> > American
> > > > article. She probably read both articles, and remembered both
> > items
> > > > together.
> > > >
> > > > It's under this link at Dr. Faustman's new website under FAQ:
> > > > http://www.faustmanlab.com/FAQ.html
> > > >
> > > > Here's the whole item, with the item of interest bolded:
> > > >
> > > > 7. What is BCG? Is it safe? Why use it?
> > > > Our human clinical trial program will begin with an evaluation
> of
> > > > bacillus Calmette-Guerin (BCG), a generic drug with an
> impeccable
> > > > human safety profile that is currently approved for two
> > indications-
> > > > tuberculosis and cancer therapy. BCG has been administered to
> over
> > > > four billion people since coming to market over 80 years ago.
> > Similar
> > > > to the agent we used in mouse studies (CFA), BCG causes the
> body
> > to
> > > > make a natural substance called TNF that helps regulate the
> immune
> > > > system.
> > > >
> > > > There is ample data to support the use of BCG in the human
> > diabetes
> > > > trials. BCG was used many years ago in early-stage diabetic
> mice
> > and
> > > > prevented diabetes. Unfortunately, many compounds work in early-
> > stage
> > > > NOD mice, but do not work in late-stage diabetic mice or in
> humans
> > > > with advanced disease. BCG was also tried in the past in humans
> > with
> > > > new onset diabetes, prior to the knowledge of how BCG actually
> > works
> > > > in the body. In the human studies, one diabetic patient was
> cured
> > > > with a single dose of BCG, but two subsequent studies with a
> > single
> > > > dose of BCG showed no benefit.
> > > >
> > > > Compared to when many previous BCG trials were conducted 10
> year
> > ago,
> > > > the way BCG induces one's own TNF to change disease is now
> mapped
> > in
> > > > animal models and in some human disease. This allows for
> > thoughtful
> > > > translation of this intervention to a human trial. We think
> these
> > > > early trials of BCG in humans, although encouraging, could not
> be
> > > > advanced until we understood BCG's mechanism of action (what it
> > does)
> > > > and had a way to monitor the drug's effect in the blood. Think
> > about
> > > > this: If we did not know that insulin regulated blood sugars,
> and
> > if
> > > > we did not know how to measure blood sugar, how could we tell
> > whether
> > > > insulin actually worked to help diabetics? In many ways, early
> BCG
> > > > trials can be seen as similar to injecting insulin without
> knowing
> > > > what it really does or how to measure its effects. One of our
> > major
> > > > laboratory efforts is to create a method to rapidly and
> precisely
> > > > count the disease-causing cells in human blood and to use this
> > test
> > > > to evaluate whether BCG can
> > > > eliminate these cells, and at what dose.
> > > >
> > > > Only by conducting a clinical trial will we know if BCG will
> > work. We
> > > > chose to test BCG because the agent is readily available and it
> > works
> > > > in the human in a similar way (induction of TNF) as the agent we
> > > > successfully used in the mouse (CFA). In addition, it is
> > relatively
> > > > easy to track the killing of the population of autoreactive T
> > cells
> > > > targeted by BCG, and we believe that this population of cells
> may
> > be
> > > > the one responsible for the greatest amount of damage to the
> > islets.
> > > >
> > > > Thanks,
> > > > Stacy Lavery
> > > > Team Maryland Captain, Join Lee Now Campaign
> > > > Moderator, Nathan/Faustman Trials Yahoo Group
> > > >
> > > > ----- Original Message ----
> > > > From: joshualevy <joshualevy@>
> > > > To: nathanfaustmantrials@yahoogroups.com
> > > > Sent: Monday, November 20, 2006 7:44:20 PM
> > > > Subject: [nathanfaustmantrials] Re: Latest Newletter from the
> lab
> > > >
> > > > --- In nathanfaustmantrial s@yahoogroups. com, "rmccully2000"
> > > > <rmccully2000@ ...> wrote:
> > > > >
> > > > > I just read the lastest newsletter on Dr. Faustman's new
> > website...
> > > >
> > > > > http://www.faustman lab.com/News/ FaustmanUpdateFa ll06.pdf
> > > > >
> > > > > In the Scientic American article about Dr. Faustman, she
> > mentions
> > > > an
> > > > > Israeli study using BCG single dose at diagnosis as being
> > partially
> > > >
> > > > > successful. Again in the above newsletter, she mentions that
> one
> > > > human
> > > > > was cured using a single dose of BCG, although further
> studies
> > were
> > > > not
> > > > > as successful.
> > > >
> > > > I can not find any place where Dr Faustman said that any type-1
> > has
> > > > been cured using BCG. I looked in the newslatter, the SA
> article,
> > and
> > > > another recently published newspaper article. Can you be more
> > > > specific about where you saw this?
> > > >
> > > > I don't believe anyone has been cured using BCG. My doubts are
> two
> > > > fold: first, if even one person had actually been cured, every
> > > > researcher would be all over it. They would be trying slightly
> > higher
> > > > doses, slightly lower doses, all kind of varients. Can you
> imagine
> > > > the newspaper articles? None of this happened, so I don't think
> > the
> > > > cure happened, either. My second reason is this quote below:
> > > >
> > > > "Since 1997, researchers in Israel have been injecting BCG, the
> > > > compound Faustman uses, into a person who was expected to
> develop
> > > > diabetes. That patient has remained free of diabetes for seven
> > years,
> > > > said Naim Shehadeh, head of the pediatric diabetes clinic at the
> > > > Technion Israel Institute of Technology. But researchers have
> been
> > > > unable to gain additional funding for tests on more people."
> > > > Source: http://www.cureauto immunity. org/national% 20journal%
> > > > 201-21-05. htm
> > > > (about 60% down the page)
> > > >
> > > > Note that this person did not have diabetes.
> > > >
> > > > Joshua Levy
> > > >
> > > >
> > > >
> > > >
> > > >
> > >
> > >
> > >
> > >
> > >
> > __________________________________________________________
> > ______________
> > > Sponsored Link
> > >
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>





Wed Dec 20, 2006 12:04 pm

bernfarr
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Forward
Message #229 of 634 |
Expand Messages Author Sort by Date

I just read the lastest newsletter on Dr. Faustman's new website... http://www.faustmanlab.com/News/FaustmanUpdateFall06.pdf In the Scientic American article...
rmccully2000
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Nov 15, 2006
11:46 pm

... I can not find any place where Dr Faustman said that any type-1 has been cured using BCG. I looked in the newslatter, the SA article, and another recently...
joshualevy
Offline Send Email
Nov 21, 2006
12:15 pm

Yep, I agree with you, I didn't see anywhere that Dr. Faustman stated that anyone had been cured with BCG. So are you just putting to rest the urban legend...
Paul Mullens
skywriter451
Offline Send Email
Nov 21, 2006
2:19 pm

In a previous email, I said a specific quote was from 1997. In fact, if you look at the quoted material, it is clear that is was said much later. Probably in...
Joshua Levy
joshualevy
Offline Send Email
Nov 21, 2006
7:31 pm

... I was saying that no one has been cured; NOT that no one can be cured! I believe very strongly in a cure, although I'm not yet sure where it will come...
Joshua Levy
joshualevy
Offline Send Email
Nov 21, 2006
7:47 pm

... and ... http://www.faustmanlab.com/FAQ.html#Anchor-3800 FAQ section.. What is BCG? "In the human studies, one diabetic patient was cured with a single dose...
rmccully2000
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Nov 22, 2006
2:15 pm

Hi Joshua, I thought I remembered reading something to that effect also, and I think I've found the quote to which she was referring. It doesn't mention which...
Stacy Lavery
stacy_lavery
Offline Send Email
Nov 21, 2006
4:09 pm

Thanks very much for posting this! I hope that someone in Faustman's lab will either add a reference to the exact study that cured someone of type-1 diabetes...
Joshua Levy
joshualevy
Offline Send Email
Nov 22, 2006
12:12 pm

Similar to Joshua, I also questioned the use of BCG, but I did read the references to why Dr. Faustman and company believe BCG has potential to work (kindly...
Scott Strumello
sstrumello
Offline Send Email
Nov 22, 2006
2:56 pm

http://www.eurekalert.org/pub_releases/2006-11/mgh-ndf112106.php New data from NIH lab confirms protocol to reverse type 1 diabetes in mice Data also support...
gr8discjck
Offline Send Email
Nov 27, 2006
6:29 pm

http://www.cbc.ca/health/story/2006/12/14/diabetes-neuron.html#skip300x250 Canadian scientists reverse diabetes in mice Last Updated: Friday, December 15,...
gr8discjck
Offline Send Email
Dec 15, 2006
4:35 pm

Has everyone given up hope? This group has been silent for a long time. What gives? Gr8discjck <gr8discjck@...> wrote: ...
gr8discjck
Offline Send Email
Dec 19, 2006
5:36 pm

It seems that if there is no new research news from the Faustman lab then there is no dialogue on this Yahoo group. ... time. ... neuron.html#skip300x250 ... ...
imcimc1
Offline Send Email
Dec 19, 2006
6:47 pm

Well, you would think that with some of the recent findings, there certainly would be a lot of discussion here. I'm disappointed. My last posting regarding the...
gr8discjck
Offline Send Email
Dec 20, 2006
11:55 am

There have been several blog postings about this on the Diabetes OC blogs (http://diabetesoc.blogspot.com/). Bernard ...
Bernard Farrell
bernfarr
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Dec 20, 2006
5:00 pm

I haven't given up hope. I think that everyone is just busy with their Christmas-time things that need to be done. From: Gr8discjck <gr8discjck@...>...
deanne kacmar
jaysonjaclyn
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Dec 20, 2006
11:56 am

Do you really think it throws all research on it's ear? I think it supplements the research tremendously!! For years and years all research was contingent...
allieb2@...
allison_beatty
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Dec 20, 2006
5:00 pm

This whole thread is nonsensical. The point of the upcoming trial is to see if this works in humans. Dr. Faustman never said that any human was cured,...
graylight@...
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Nov 22, 2006
12:02 pm

Sorry, I'm just trying to understand more and wanted to read the study that was referenced in the newsletter myself. She did mention that someone was cured...
rmccully2000
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Nov 22, 2006
2:43 pm
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