Events & Announcements
TBL1XR1 is a gene that plays a critical role in brain development and cellular communication. It regulates cellular signaling pathways, supporting the development, connectivity, and proper functioning of nerve cells.
What is TBL1XR1?
TBL1XR1 (Transducin Beta Like 1 X-Linked Receptor 1) regulates cellular signaling pathways and influences the growth, connectivity, and functioning of neurons. Mutations in this gene are associated with neurodevelopmental differences, often appearing in early childhood. Symptoms can vary from person to person, but commonly include:
- Developmental delays (e.g., sitting, walking, speaking)
- Speech and motor coordination difficulties
- Epilepsy (history of seizures)
- Sensory sensitivities (light, sound, touch)
- Challenges in social interaction and autism-like behaviors
- Differences in muscle tone (hypotonia or stiffness)
Diagnosis Process
Because TBL1XR1-related disorders are rare and symptoms can resemble other conditions, diagnosis can be complex. It usually involves Whole Exome Sequencing (WES) or targeted genetic panels. Clinical findings must be assessed collaboratively by specialists in pediatric neurology, genetics, developmental pediatrics, and psychiatry.
Research and Treatment
Currently, there is no curative treatment for TBL1XR1-related conditions. However, personalized early intervention programs can significantly support a child’s development.
Prof. Dr. Florian Eichler and his team at Harvard University are conducting gene therapy research targeting TBL1XR1 mutations, paving the way for potential future treatments.
Key Scientific Publications
- Neurological features in individuals with TBL1XR1 mutations, Orphanet Journal of Rare Diseases (2024) – biomedcentral.com
- TBL1XR1 regulation of the MAPK pathway in nervous system development, Frontiers in Cell & Developmental Biology (2021) – link
- A TBL1XR1 deletion case with brain and heart malformations, European Journal of Medical Genetics (2018) – link
- A specific TBL1XR1 mutation causing Pierpont syndrome, Journal of Medical Genetics (2015) – link
- TBL1XR1 roles in physiological and pathological conditions, American Journal of Clinical and Experimental Urology (2015) – link
For Families
Navigating the post-diagnosis process alone can be exhausting and confusing. At Herdem Çare, we walk this path with families, providing information, guidance, and solidarity.
Patient Registration System
A platform for families to register and receive tailored support throughout the journey.
Family Stories
Sharing experiences from other families helps new families feel understood and supported.
Support Groups
We organize WhatsApp, Zoom, and occasional in-person meetings, creating safe spaces for families to share questions and experiences.
