Microtubules: A Key to Understand and Correct Neuronal Defects in CDKL5 Deficiency Disorder?

Area of Science:

• Neuroscience
• Genetics
• Cell Biology

Background:

• CDKL5 deficiency disorder (CDD) is a severe neurodevelopmental disorder caused by mutations in the X-linked CDKL5 gene.
• CDD presents with early-onset seizures, cognitive impairment, and motor skill deficits.
• Loss of CDKL5 impacts neuronal morphology, suggesting a role in cytoskeletal regulation.

Purpose of the Study:

• To review the link between CDKL5 and microtubule (MT) dynamics.
• To discuss how CDKL5 deficiency may lead to aberrant MT dynamics and impaired neuronal function.
• To explore MT-targeting agents as potential therapeutic strategies for CDD.

Main Methods:

• Literature review focusing on CDKL5 function and MT regulation.
• Analysis of studies investigating CDKL5 interactors and their role in MT dynamics.
• Synthesis of evidence linking CDKL5 deficiency to neurological dysfunction via MTs.

Main Results:

• CDKL5 interacts with MT-binding proteins, converging its function on MT regulation.
• Aberrant MT dynamics are implicated in various neurological disorders, including CDD.
• CDKL5 deficiency disrupts neuronal morphology and function through altered MT dynamics.

Conclusions:

• CDKL5 plays a crucial role in regulating MT dynamics, essential for neuronal development and function.
• Dysregulation of MT dynamics is a key mechanism underlying CDD.
• Targeting MT dynamics may offer a novel therapeutic avenue for CDD.