Fragile X Clinical Trial of New PDE4D Inhibitor from Tetra

With a $200,043 grant from FRAXA Research Foundation, Dr. Elizabeth Berry-Kravis completed a successful Phase 2 clinical trial of a PDE4 inhibitor for adult men with Fragile X syndrome. This trial treated 30 males, 18-45 years of age with a new PDE4D allosteric inhibitor from Tetra Discovery Partners using a crossover design, so that everyone got active drug for part of the time and placebo for part of the time.

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Correcting Sensory Processing in Fragile X Mice by Modulating Kv3.1

Nazim Kourdougli and Carlos Portera-Cailleau

FRAXA awarded a $90,000 grant to Carlos Portera-Cailliau, PhD and Nazim Kourdougli, PhD at UCLA to investigate whether a novel drug can rescue sensory processing deficits in Fragile X mice. People with Fragile X have similar problems in sensory processing. This new drug acts on Kv3.1, a promising Fragile X treatment target also being pursued by UK-based Autifony Therapeutics based on FRAXA-funded research done at Yale.

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Enhancing NMDA Receptor Signaling to Treat Fragile X Syndrome

Stephanie Barnes, PhD

Dr. Stephanie Barnes investigated the role of NMDA receptors as a FRAXA Postdoctoral Fellow in Dr. Emily Osterweil’s laboratory at the University of Edinburgh from 2016-2018. With an additional year grant from FRAXA, she then continued her work to identify novel targets and test pharmacological therapies in the Fragile X mouse model at the Picower Institute at MIT with Dr. Mark Bear. Results published.

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Hope for the Holidays Gala Helps Advance Fragile X Research

2018 Hope for the Holidays

On December 8, 2018, a sold-out crowd of 250 people gathered for the 3rd Annual Hope for the Holidays Gala at the Café Escadrille in Burlington, MA, to raise funds for Fragile X research. For the third year in a row, the Pierces presented a check for $100,000 to FRAXA Research Foundation. We are truly grateful for this ongoing, generous support of our mission to find effective treatments and ultimately a cure for Fragile X.

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Takeaways from Fragile X Advocacy Day

In the first week of March I attended my first Fragile X Advocacy Day to meet with many of the Massachusetts delegation to Congress. While this was my first time advocating for Fragile X research, I’ve been a longtime lung cancer research advocate and have met with many of the same representatives in the past. It was a pleasure to meet with many of the families as my participation in Advocacy Day was in the spirit of “we are all in this together”.

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MicroRNA Mediated Astroglial GLT1 Dysregulation in Fragile X

2017 Fragile X Research Grant: MicroRNA Mediated Astroglial GLT1 Dysregulation in Fragile X

Almost all brain research focuses on neurons – nerve cells. However, the brain has many more glial cells which support, nourish, and protect the neurons. FRAXA Research Foundation awarded a 2017 grant $90,000 to support Dr. Yang’s studies of how changes in glial cells contribute to Fragile X syndrome. This grant is funded by a grant from the Pierce Family Fragile X Foundation.

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A Developmental Switch Exists in the Effects of FMRP

Dr. Kimberly Huber

With a $90,00 grant from FRAXA Research Foundation for 2010-2011, Dr. Kimberly Huber and her team at the University of Texas at Southwestern found that there is a developmental switch of postsynaptic FMRP on synaptic function. This switch is controlled by MEF2 transcriptional activity. Proper synapse maturation and elimination is crucial for the establishment of appropriate neural circuits that underlie sensory processing and cognition. Neuron of Fragile X patients as well as in the mouse model of Fragile X, Fmr1 KO mice, display more dendritic spines, the point of contact for excitatory synapses, as well as long and thin filopodia resembling immature spines. This suggests Fragile X mental retardation protein (FMRP) has a role in promoting synapse maturation and elimination.

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