Exciting
and Hopeful News for CFIDS Research and Treatment
(Update)
A research
team from Glasgow University in Scotland has announced
an altered pattern of gene activity in 50 patients with
Chronic Fatigue Syndrome. Dr. John Gow, the senior researcher,
said, "We have identified genes which were up-regulated
compared with genes in normal healthy individuals...
This means the genes are switched on or off an at inappropriate
time... It looks like the immune system is working overtime
when it shouldn't be..."
Dr. Gow and
his team mapped the entire genome of 33,000 genes in
the CFS sufferers and then compared them with the genes
of healthy people. Despite the initial results, Dr.
Gow stressed that more testing of CFS patients is needed
to make sure that the unusual gene activity is specific
for Chronic Fatigue Syndrome. He thinks this further
testing would take about a year.
Diagnostic
Test and Treatments:
The research
team is hopeful that the potential "CFS gene signature"
could lead to a specific diagnostic test, and has already
patented the genes which would be involved in diagnostic
testing. A prototype diagnostic testing kit has been
developed which would give a yes or no answer as to
whether CFS is present.
Even more
exciting is the promise of medication to treat the abnormal
gene/immune dysfunction. Dr. Gow stated, "Our work
has given us clues as to which pathways are up- or down-regulated
and we know which drugs activate different pathways,
so we think we can find drug treatments that will be
beneficial to patients."
These specific
drugs are already on the market and therefore could
be available to CFS patients in the immediate future.
Dr. Gow said, " ...it really needs to go through
proper trials before these drugs become widely available."
This is important
research since it includes a possible mechanism of action,
a diagnostic test, and potential medication. Of course,
we must wait and see.
Sources:
BBC News, UK Edition, 28 May 2005; The Scotsman, 20
May 2005; Co-Cure; ME Association.
Updated Information on Dr. Gow's Research
Since this
article was written, two groups in Britain: MERGE (ME
Research Group for Education and Support) and the ME
Association have provided substantial funding to enable
Dr. Gow and his associates to begin the second phase
of their research. MERGE has provided an interim award
of 8,000 pounds and the ME Association has granted 28,675
pounds (in addition to the nearly 9,000 pounds that
the MEA has already provided).
The following
update on the research is taken with permission from
a Co-Cure post dated June 27, 2005:
"So
the second phase of the study should now be able to
commence in August.
Why is this
type of genetic research so important in ME/CFS?
In very simple
terms, the Glasgow University research group will be
using a technique called DNA chip microassay analysis
to map out what is happening to a vast amount of individual
genetic information - over 33,000 gene sequences in
each individual. The scientists will be carrying out
this genetic analysis on a large group of people with
ME/CFS, another large group of healthy matched controls,
and a further large group of people with a range of
other illnesses - such a multiple sclerosis and depression
- in which fatigue is a major clinical symptom. In particular,
the scientists will be trying to identify whether there
is a unique profile of genetic abnormalities in people
with ME/CFS by looking for data which indicates that
certain specific genes are either up-regulated or down-regulated
- roughly meaning that they are being over-active, under-active
or 'switched - off'.
The activity
of these genes - gene expression in medical jargon -
can have very important consequences on the types of
cellular activity, including crucial biochemical pathways,
that they control in the nervous system, immune system,
and all other parts of the body. So the ultimate aim
of the study is to identify specific gene abnormalities
which may then lead to new avenues of research and the
presence of a diagnostic biomarker or diagnostic biomakers
which is/are only present in ME/CFS.
Preliminary
results from phase one of this study already indicate
that significant abnormalities in gene expression are
present in the ME/CFS group, but this data now needs
to be confirmed in a much larger trial.
This type
of information on gene expression will also be highly
relevant to new forms of treatment which are worth assessing.
And as the data becomes clearer, a further phase of
the research will hopefully then involve a clinical
trial of drug treatment aimed at the underlying cause
of ME/CFS." |