KIF11-related MCLMR presenting with FEVR-like retinopathy: first report in an Indian child

Abhishek Das1, Ponny J Kumar2, Parag K Shah1

  • 1Department of Pediatric Retina & Ocular Oncology, Aravind Eye Hospital & Postgraduate Institute of Ophthalmology, Coimbatore, India.

Ophthalmic Genetics
|October 9, 2025
PubMed
Abstract

Insights

Mutations in the KIF11 gene cause microcephaly with chorioretinopathy (MCLMR) and familial exudative vitreoretinopathy (FEVR). Genetic testing confirmed a KIF11 mutation in a patient with these conditions.

Area of Science:

  • Genetics
  • Ophthalmology
  • Medical Genetics

Background:

  • KIF11 gene mutations are linked to microcephaly with chorioretinopathy, lymphedema, or mental retardation (MCLMR/MLCRD).
  • These mutations have also been recently associated with familial exudative vitreoretinopathy (FEVR).

Purpose of the Study:

  • To report a case of KIF11-related retinopathy.
  • To highlight the genetic basis and clinical presentation of this rare disorder.

Main Methods:

  • Retrospective case report of a 2-month-old female infant.
  • Fundus examination and fluorescein angiography.
  • Whole genome and mitochondrial genome sequencing to identify KIF11 gene mutations.

Main Results:

  • The patient presented with microcephaly, dysmorphic features, and bilateral chorio-retinal atrophic spots.
  • Fundus examination revealed peripheral avascular retina without neovascularization.
  • Genetic sequencing identified a heterozygous, likely pathogenic KIF11 mutation (c.2830C>T, pArg944Cys) with autosomal dominant inheritance.

Conclusions:

  • Genetic testing confirmed KIF11-related retinopathy.
  • Genetic counseling and family screening are crucial for managing this multisystem disorder and assessing recurrence risk.