Supporting research into Facioscapulohumeral Muscular Dystrophy.
Friday, October 30, 2009
Tuesday, October 27, 2009
UC Med. Dept. - FSH Muscular Dystrophy research
Scientists at University of California,
Medical Department publish research in gene therapy.
Publication: Gene Therapy WeeklyDate: Thursday, October 29 2009
According to a study from the United States, "Facioscapulohumeral dystrophy (FSHD) is an autosomal dominant muscular dystrophy in whichno mutation of pathogenic gene(s) has been identified. Instead, the disease is, in most cases, genetically linked to a contraction in thenumber of 3.3 kb D4Z4 repeats on chromosome 4q." "How contraction of the 4qter D4Z4 repeats causes muscular dystrophy is not understood. In addition, a smaller group of FSHD cases are not associated with D4Z4 repeat contraction (termed ''phenotypic'' FSHD), and their etiology remains undefined. We carried out chromatin immunoprecipitation analysis using D4Z4-specific PCR primers to examine the D4Z4 chromatin structure in normal and patient cells as well asin small interfering RNA (siRNA) treated cells. We found that SUV39H1-mediated H3K9 trimethylation at D4Z4 seen in normal cells is lost in FSHD.
Furthermore, the loss of this histone modification occurs notonly at the contracted 4q D4Z4 allele, but also at the genetically intact D4Z4 alleles on both chromosomes 4q and 10q, providing the first evidence that the genetic change (contraction) of one 4qD4Z4 allelespreads its effect to other genomic regions. Importantly, this epigenetic change was also observed in the phenotypic FSHD cases with no D4Z4 contraction, but not in other types of muscular dystrophies tested. We found that HP1 gamma and cohesin are co-recruited to D4Z4 in anH3K9me3-dependent and cell type-specific manner, which is disrupted in FSHD. The results indicate that cohesin plays an active role in HP1 recruitment and is involved in cell type specific D4Z4 chromatin regulation. Taken together, we identified the loss of both histone H3K9trimethylation and HP1 gamma/cohesin binding at D4Z4 to be a faithful marker for the FSHD phenotype," wrote W.H. Zeng and colleagues, University of California, Medical Department (see also Gene Therapy).
According to a study from the United States, "Facioscapulohumeral dystrophy (FSHD) is an autosomal dominant muscular dystrophy in whichno mutation of pathogenic gene(s) has been identified. Instead, the disease is, in most cases, genetically linked to a contraction in thenumber of 3.3 kb D4Z4 repeats
"How contraction of the 4qter D4Z4 repeats causes muscular dystrophy is not understood. In addition, a smaller group of FSHD cases are not associated with D4Z4 repeat contraction (termed ''phenotypic'' FSHD), and their etiology remains undefined. We carried out chromatin immunoprecipitation analysis using D4Z4-specific PCR primers to examine the D4Z4 chromatin structure in normal and patient cells as well asin small interfering RNA (siRNA) treated cells. We found that SUV39H1-mediated H3K9 trimethylation at D4Z4 seen in normal cells is lost in FSHD. Furthermore, the loss of this histone modification occurs notonly at the contracted 4q D4Z4 allele, but also at the genetically intact D4Z4 alleles on both chromosomes 4q and 10q, providing the first evidence that the genetic change (contraction) of one 4qD4Z4 allelespreads its effect to other genomic regions. Importantly, this epigenetic change was also observed in the phenotypic FSHD cases with no D4Z4 contraction, but not in other types of muscular dystrophies tested. We found that HP1 gamma and cohesin are co-recruited to D4Z4 in anH3K9me3-dependent and cell type-specific manner, which is disrupted in FSHD. The results indicate that cohesin plays an active role in HP1 recruitment and is involved in cell type specific D4Z4 chromatin regulation. Taken together, we identified the loss of both histone H3K9trimethylation and HP1 gamma/cohesin binding at D4Z4 to be a faithful marker for the FSHD phenotype," wrote W.H. Zeng and colleagues, University of California, Medical Department (see also Gene Therapy).
The researchers concluded: "Based on these results, we propose a new model in which the epigenetic change initiated at 4q D4Z4 spreads its effect to other genomic regions, which compromises muscle-specific gene regulation leading to FSHD pathogenesis."
Zeng and colleagues published their study in Plos Genetics (Specific Loss of Histone H3 Lysine 9 Trimethylation and HP1 gamma/Cohesin Binding at D4Z4 Repeats Is Associated with Facioscapulohumeral Dystrophy (FSHD). Plos Genetics, 2009;5(7):559).
For more information, contact W.H. Zeng, University of California,School Medical, Dept. of Biology Chemical, Irvine, CA 92717, USA.
Publisher contact information for the journal Plos Genetics is: Public Library Science, 185 Berry St., Ste. 1300, San Francisco, CA 94107, USA.
FiSHing for a Cure Gala - January 30th
Saturday, October 24, 2009
New Auction Items - Less than 100 days till our event....
With less than 100 days till our event we have much work to do to insure we can successfully raise the money to fund additional Facioscapulohumeral Muscular Dystrophy research. We are so very thankful to those that have donated to this year's auction.
Check out some of the auction items today on my Flickr photo album, check back often to see updates.
Auction items:
Set 1
Set 2
Set 3
Today I visited with some artists at the Redmond Farmer's Market, always amazed at the generosity of our local art community. I will get more photos of the donated artwork up on our flickr account as soon as I can. You can look here & at our website www.fshfriends.org for updates regarding incoming auction items for this year's event.
If you would like to donate to our event, or have questions please contact me at fishauction@fshfriends.org.
Friday, October 23, 2009
Muscular Dystrophy Assn. & Friends of FSH Research Grant
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Thursday, October 22, 2009
FSHD-Europe - the Voice of Europe
Eur J Hum Genet. 2009 Oct 7.
Comprehensive expression analysis of FSHD candidate genes at the mRNA and protein level.
In facioscapulohumeral muscular dystrophy (FSHD) the majority of patients carry a D4Z4 macrosatellite repeat contraction in the subtelomere of chromosome 4q.
Several disease mechanisms have been proposed to explain how repeat contraction causes muscular dystrophy. All proposed mechanisms foresee a change from a closed to a more open chromatin structure followed by loss of control over expression of genes in or proximal to D4Z4.
Initially, a distance and residual repeat size-dependent upregulation of the candidate genes FRG2, FRG1 and ANT1 was observed, but most successive expression studies failed to support transcriptional upregulation of 4qter genes. Moreover, chromatin studies do not provide evidence for a cis-spreading mechanism operating at 4qter in FSHD. In part, this inconsistency may be explained by differences in the techniques used, and the use of RNA samples obtained from different muscle groups.
The aim of this study is to comprehensively and uniformly study the expression of the FSHD candidate genes FRG1, FRG2, CRYM, ANT1, ALP, PITX1 and LRP2BP at the RNA and protein level in identically processed primary myoblasts, myotubes and quadriceps muscle.
Expression was compared between samples obtained from FSHD patients and normal controls with samples from myotonic dystrophy type 1 patients as disease controls. No consistent changes in RNA or protein expression levels were observed between the samples. The one exception was a selective increase in FRG2 mRNA expression in FSHD myotubes.
This study provides further evidence that there is no demonstrable consistent, large magnitude, overexpression of any of the FSHD candidate genes.
. Muscular Dystrophies Campaign (MDC) : UK
. FSHD Stichting : Netherlands
. Unione Italiana Lotta alla Distrofia Muscolare (UILDM) : Italy
. Amis FSH Europe : France
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Facioscapulohumeral muscular dystrophy (FSHD) is one of the most common dystrophies (1 case in 14,000 individuals).
FSHD is characterized by a and progressive loss of motion autonomy. Its infantile form (iFSHD) is considered the most severe form of the disease.
The origin of FSHD has not yet been identified, nor has a therapy been found for the moment.
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Monday, October 19, 2009
FiSHing for a Cure Auction Items
Thrilled to have the support of our local artists - here is a growing "set" on Flickr of auction items that will be featured at our 2010 gala on January 30th.
Check back often to see new items!
Friday, October 16, 2009
Orphan Conditions Get Increased NIH Funding
Muscular Dystrophy Association Applauds New Federal Support For Neuromuscular Diseases
Main Category: Muscular Dystrophy / ALSAlso Included In: Neurology / Neuroscience
Article Date: 09 Oct 2009
The National Institutes of Health has announced a $117 million expansion of its Rare Diseases Clinical Research Network, adding 14 research consortia, or groups, to the Network's second phase and will continue funding the five original groups. Having long recognized the research challenges for communities affected by rare disorders, the National Institutes of Health established the Office of Rare Disease Research in 1993 to ensure an increased focus on rare disorder treatment discovery. The recent funding announcement of the 19 consortia represents an extraordinary increase and an innovative collaborative approach involving a cross section of NIH institutes.
Three of the new disease groups will be directed by Muscular Dystrophy Association-supported physician/researchers.
Dr. Salvatore DiMauro of Columbia University, a world renowned expert on mitochondrial and metabolic diseases whose research is supported by MDA, will be the principal investigator for the North American Mitochondrial Diseases Consortium. Mitochondria produce the energy that nerve and muscle cells need to function.
DiMauro said, "For me, a researcher interested in mitochondrial diseases for the past 30 years, an NIH-sponsored North American Consortium is the recognition, at long last, that this group of disorders is an important public health problem."
"People with mitochondrial diseases have long felt like orphans in the large community of patients with inborn errors of metabolism because their disorders were not clinically uniform nor readily identified by the general public. MDA has supported mitochondrial disease patients and research for over two decades," DiMauro added.
The new disease groups will create specialized international research networks, allowing collaboration and sharing of data. They also include patient advocacy groups, crucial for providing patients for clinical trials, something that has always been a challenge because the number of patients affected by these diseases is so low.
The research conducted with the new NIH funding will focus on the history, epidemiology, diagnosis and treatment of over 95 rare diseases. A rare disease is defined as a disease or condition that affects less than 200,000 people in the United States.
Dr. Michael Shy is a leading researcher of Charcot-Marie-Tooth disease, an inherited neurological disorder, and heads the North American CMT Network, funded by MDA. He is also the director of the MDA Clinic at Wayne State University in Detroit and has been named principal investigator for the Inherited Neuropathies Consortium.
"I am certain that it will speed up discovery of treatments and cures. Developing a system in which all patients are evaluated the same way in the U.S., Europe and beyond will provide the natural history data needed to plan treatment trials. Partnerships with scientists and clinicians ensure that treatment trials will be rationally based."
Another MDA-supported researcher, Dr. Robert Griggs of Rochester University in New York has served for five years as principal investigator of the Consortium for Clinical Investigations of Neurologic Channelopathies, focusing on diseases such as episodic ataxias and non-dystrophic myotonic disorders. This consortium is one of the original network groups. As a result of his consortium's outstanding work, it has been awarded additional federal funding for two more years.
MDA has provided vital funding to support Griggs' work for over 20 years.
In addition, Dr. Chester B. Whitley, of the University of Minnesota, has been named the principal investigator for the Lysosomal Storage Disease Consortium. The consortium includes an aggressive Pompe disease research initiative. Pompe disease is one of the diseases included in MDA's programs. MDA funded the basic research that led to the first specific treatment for the disease.
MDA is the nonprofit health agency dedicated to curing muscular dystrophy, ALS and related diseases by funding worldwide research. The Association also provides comprehensive health care and support services, advocacy and education.
Source
Muscular Dystrophy Association
Wednesday, October 14, 2009
Eastside Women In Business - Friends of FSH Research
Eastside Women In Business (EWIB)
- Seattle Eastside Women Networking, Women Business Networking
The first annual EWIB Gala which recognized Friends of FSH Research was held Sunday evening October 11th.
Thanks to all for their enthusiastic support of our organization & our mission to accelerate FSH Muscular Dystrophy research!!
Tuesday, October 13, 2009
Saturday, October 10, 2009
Preview Auction Items - October
Salmon Days - Preview "FiSHing for a Cure" auction items here!
Thank you to all the generous Northwest artists for sharing their arts with us & helping us to raise much needed research funds!!
Thursday, October 8, 2009
FSH Cape Cod Fundraiser - Oct. 10th
Walk ’n’ Roll for FSH muscular dystrophy, 1 p.m. Saturday Oct. 10th (late registration noon), Cape Cod Rail Trail, Brewster, from Stony Brook Elementary School to Nickerson State Park. Non-competitive event for walkers and rollers (wheelchair users) and anyone who wants to participate. $25 registration. Fee waived if participant raises $125 in donations. www.fshsociety.org. 508-957-2062.
Tuesday, October 6, 2009
Funding Needed - Petition for FSH Research
Your Name Is Needed On the Friends of FSH Petition
Please add you name to our growing petition which asks President Obama & our governmental leaders to increase the research support of Facioscapulohumeral Muscular Dystrophy (FSH or FSHD) at the National Institutes of Health.
Thank you for your help - please send this petition to your friends, family & associates. Numbers are critical - to get attention we must get noticed!
THANKS!!
Thursday, October 1, 2009
News from Friends of FSH Research - Oct. 2009
In our efforts to decrease printing & mailing expenses we are hoping to reach our friends & donors through our email newsletter.
Please check out our latest news, and if you would like to receive our newsletter in your email mailbox please contact us!