Colloquially called “test-tube experiments”, in vitro studies are traditionally done in labware such as test tubes, flasks, and Petri dishes. “in vivo” studies are done in live organisms.
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- Research Points to Drugs which Inhibit PDE to Treat Fragile XFRAXA Research Foundation funded a grant of $90,000 over 2016-2018, for a postdoctoral fellowship for Thomas Maurin, PhD, working under the mentorship of Dr. Barbara Bardoni at INSERM in France. The team works on the biochemistry of the Fragile X protein. They have found that PDE inhibitors (a class of drugs) show promise as treatments for Fragile X syndrome. In related research, FRAXA is currently funding a clinical trial of PDE4D inhibitors.
- In Their Own Words: Reports From the International Fragile X WorkshopThe 18th International Fragile X and Related Neurodevelopmental Disorders Workshop in Quebec, Canada, was a great success, featuring Fragile X much more heavily than any previous meeting in this series! We asked our speakers to summarize their work in their own words, with brief updates from researchers investigating Fragile X.
- Role of Matrix Metalloproteinases (MMP-9) in Fragile XWith a $220,000 grant from FRAXA Research Foundation over 3 years, Dr. Iryna Ethell from the University of California at Riverside studied the regulation of dendritic structure by matrix metalloproteinases and other extracellular signaling pathways. This work identified a major treatment strategy for Fragile X with the available MMP-9 inhibitor, minocycline.
- Preclinical Evaluation of Serotonin Receptor Agonists as Novel Pharmacological Tools in Fragile X SyndromeWith a $66,000 grant from FRAXA Research Foundation in 2013, Dr. Lucia Ciranna and her team from the Universita di Catania tested if specific serotonins could reverse abnormal phentotypes found in Fragile X syndrome.
- Developing IPS cells to Screen Drugs which can Reactivate the FMR1 GeneWith $146,000 grant from FRAXA Research Foundation over 2012-2013, Drs. Anita Bhattacharyya and Xinyu Zhao at the University of Wisconsin developed a new mouse model of Fragile X syndrome which will enable testing of gene reactivation and gene therapy approaches to treatment. They transplanted human Fragile X neural cells differentiated from induced pluripotent stem cells into brains of neonatal mice and then testing for FMR1 reactivation. In 2015, The John Merck Fund assumed support for this work with a generous grant of $750,000 to the scientists. Results published.