Case Report: MECP2 and SH3KBP1 variants associated with autism spectrum disorder and immune dysregulation - Scorecard - MDSpire

Case Report: MECP2 and SH3KBP1 variants associated with autism spectrum disorder and immune dysregulation

  • By

  • Arnau Marin-Llobet

  • Cristina Hernando-Davalillo

  • Heidy Baide-Mairena

  • Pilar Llobet-Agullo

  • Neus Fornes Garcia

  • Veronica Perez-Herrera

  • Anna Baro-Serrano

  • June 15, 2026

  • 0 min

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Clinical Scorecard: Clinical Report: Variants in MECP2 and SH3KBP1 Linked to Autism Spectrum Disorder and Immune System Abnormalities

At a Glance

CategoryDetail
Condition
Key MechanismsGenetic variants in MECP2 and SH3KBP1 associated with neurodevelopmental impairment and immune dysregulation.
Target Population
Care Setting

Key Highlights

  • Two male patients with ASD, neurodevelopmental delay, and immune dysregulation.
  • Genetic analysis revealed MECP2 duplication and SH3KBP1 deletion.
  • Patients exhibited recurrent infections and congenital cardiac anomalies.
  • Emphasizes the need for genetic testing and immunological evaluation in ASD.
  • Highlights phenotypic variability in MECP2 duplication syndrome and SH3KBP1 variants.

Guideline-Based Recommendations

Diagnosis

  • Consider comprehensive genetic testing in patients with complex neurodevelopmental presentations.
  • Genetic counseling for families of affected patients.

Management

  • Evaluate for immune dysregulation in ASD patients presenting with recurrent infections or systemic abnormalities.
  • Consider specific treatments for identified immune dysregulation.

Monitoring & Follow-up

  • Monitor for recurrent infections and immunological abnormalities in ASD patients.

Risks

  • Increased risk of recurrent infections and immune-related complications.

Patient & Prescribing Data

Pediatric patients diagnosed with ASD and associated immune dysregulation.

Management may require a multidisciplinary approach including immunological assessment.

Clinical Best Practices

  • Incorporate immunological evaluation in ASD patients with atypical clinical features.
  • Recognize the potential for overlapping neurodevelopmental and immunological disorders.
  • Emphasize interdisciplinary collaboration in managing these patients.

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