Pharmacological Modulation of Nicotinic Signaling
This study tests whether blocking certain nicotine-sensitive receptors in the brain during adolescence can improve attention and cognition in Fragile X.
Astrocyte Contribution to Sensory Hypersensitivity in Fragile X Syndrome
This team studied how faulty calcium signaling in astrocytes contributes to sensory hypersensitivity in Fragile X, aiming to find new astrocyte-targeted treatments.
Reactivating the FMR1 Gene to Reverse Fragile X Syndrome
This project aims to reactivate the FMR1 gene to combat Fragile X Syndrome, with the goal of restoring vital protein function. This work is now funded by a new FRAXA grant.
C-subunit Mitochondrial Leak Channel in Fragile X Syndrome
Explore Yale’s groundbreaking study on mitochondrial leak channels, set to revolutionize Fragile X syndrome treatment. Funded by a $100,000 FRAXA grant.
Somatosensory Processing as a Therapeutic Target for Fragile X Syndrome
FRAXA-funded researchers in Edinburgh assessed a noninvasive touch test that could be used for clinical trials in Fragile X syndrome.
Antisense Oligonucleotides (ASOs) to restore FMRP in Human Fragile X Cerebral Organoids
Explore Dr. Richter’s encouraging results with ASOs for Fragile X syndrome. A $100,000 grant now fuels pivotal studies needed to advance toward ASO therapy.
Slack Potassium Channel Inhibitors to Normalize FMR1 Knockout Mice
FRAXA research grant enabled Yale researchers to investigate whether Slack potassium channel inhibitors can normalize behaviors in FMR1 knockout mice.
Roles of Postnatal Transient Connectivity in the Development of Fragile X Syndrome
This team is studying why people with Fragile X are overly sensitive to sound and light, using advanced imaging to find brain changes and test ways to prevent them.
The Endocannabinoid System and Fragile X Syndrome
This project will examine how CBD and other drugs targeting the endocannabinoid system affect hyperexcitable Fragile X neurons to identify new treatment strategies.
Modeling Fragile X Syndrome using Multi-Region Human Brain Organoids
The team is developing new, more accurate Fragile X brain organoids to help researchers study neural circuit problems and accelerate testing of future treatments.
SRC Family Kinase Inhibitor as a Potential Treatment for Fragile X Syndrome
This $100,000 FRAXA grant will fuel the Smith lab’s new approach to treating Fragile X syndrome using Saracatinib, originally a cancer drug.
Using Exosomes to Discover Fragile X Biomarkers
Could a simple blood test show if a Fragile X treatment is working? This team is studying brain-derived exosomes as a new way to track treatment benefits.
Targeting Cognitive Function in Fragile X Syndrome
Why do males and females experience Fragile X differently? This team is studying brain signaling pathways to uncover sex-based differences and guide treatments.
Validating Novel Inhibitors of ERK Signalling to Treat Fragile X Syndrome
This team is testing ERK inhibitors — drugs that may calm overactive brain signaling in Fragile X. Early results in mice show strong benefits with minimal side effects.
Targeting Serotonin 1a Receptors to Reverse Neurobehavioral Phenotypes
Neurolixis’ new drug targets serotonin 1A receptors, showing promise in preclinical studies for Fragile X syndrome, funded by a FRAXA grant for future clinical trials.
Developmental Motor Phenotype in Fragile X Syndrome
A little known sign of Fragile X is unsteady walking. This team is developing outcome measures of gait for future treatment trials. Results published.
mRNA Therapy for Fragile X Syndrome
Dr. Kathryn Whitehead helped develop the science behind the COVID-19 vaccines. Her team adapted this technology to deliver the Fragile X mRNA to brain cells.
Sigma-1 Receptor as a Therapeutic Target for Fragile X Syndrome
Researchers will test sigma-1 receptor drugs—like fluvoxamine, which activates this pathway—to see if they can correct Fragile X brain cell abnormalities.
Fragile X Clinical Trial of New PDE4D Inhibitor from Tetra
A $200K FRAXA grant enabled a successful Phase 2 trial of a PDE4D inhibitor for adult men with Fragile X, showing strong cognitive gains without side effects or tolerance.
Versatile Drug Screening Platform for Fragile X Syndrome
Combinations of drugs may be needed to treat Fragile X syndrome. How can we find the best combinations in the ideal doses? This project tackles this challenge.
Human FMR1 Isoform-Specific Regulation of Translation and Behavior
FMRP has multiple forms, and this team will study which isoforms are most important for brain development. This is key for future FMRP replacement therapies.
Functional and Genomic Characterization of Interneurons in the Fmr1-KO Mouse Brain
The brain’s balance is maintained by two types of neurons: excitatory and inhibitory. This team has found fewer than normal inhibitory cells in Fragile X mice.
Targeting Serotonin 1A Receptors in Fmr1 Knockout Mice
Boosting serotonin 1A receptors may reduce excess brain activity in Fragile X. This study will test serotonin-1A–targeting compounds in mice to guide future treatments.
Transcriptional Signatures Sensitive to Cognition-Improving Pharmacological Treatments in Fragile X Syndrome
This team is defining Fragile X “molecular signatures” to use as biomarkers. They’ll test CBD and other drugs in mice and compare findings to human brain data.