Treatment with esketamine — a molecule chemically related to the dissociative anesthetic ketamine — has the potential to ease the symptoms of Rett syndrome, according to researchers in China who…
News
Treatment with Daybue (trofinetide) in clinical trials helped girls and young women with Rett syndrome to communicate and use their hands better, according to interviews with caregivers of participants in two studies that tested the now-approved therapy. “Caregivers from both trials described a range of improvements, including increased…
Researchers identified a new mutation in the MeCP2 gene in a Chinese boy diagnosed with Rett syndrome, a condition that rarely affects males. The boy exhibited diverse symptoms, including limited movements, breathing and sleep problems, heart and lung defects, and abnormal brain wave activity. “Our discovery of…
Digestive problems, such as constipation and bloating, affect more than 80% of girls and women with Rett syndrome, a study reveals. The most frequent problems included constipation, difficulties with eating and swallowing, and gas and bloating. More than half of the patients showed irritability due to stomach or gut…
Mutations that cause Rett syndrome may disrupt the growth of brain cells during early development in the womb, according to a study done in cell models. Scientists found that a Rett-causing mutation, T203M, reduces the number of immature brain cells that develop into mature neurons (nerve cells). The findings…
Acadia Pharmaceuticals has submitted a marketing authorization application for trofinetide to European Union regulators, seeking the therapy’s approval for adults and children, ages 2 and older, with Rett syndrome. The application to the European Medicines Agency (EMA) is Acadia’s first such submission in Europe, according to a…
About two in three girls with Rett syndrome develop scoliosis, a sideways curvature of the spine, while one in two exhibit foot deformities, according to a review study. About 30% of the patients experienced hip dislocations, the study found. In general, scoliosis was more prevalent in studies with a…
A new study sheds light on how MeCP2 protein dysfunction leads to brain abnormalities in Rett syndrome, and provides a framework to develop new treatments like gene therapies. Specifically, researchers conducted a study in adult mice and found the loss of the MeCP2 protein — not problems during development…
Defects in how cells degrade old or damaged components, a cellular recycling process called autophagy, contribute to the dysfunction of nerve cells in Rett syndrome, a lab study reports. Treating mice in a Rett disease model with trehalose, a naturally occurring molecule known to induce autophagy, restored the recycling…
A research team has identified Rett syndrome-specific molecules that regulate gene activity, called microRNAs, that are associated with the growth of patient-derived brain cells and may serve as biomarkers for monitoring Rett progression. Using 3D organoids that mimic the brain, the team identified these microRNA fingerprints within extracellular vesicles…
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