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Living with Symptomatic form of Coffin-Lowry syndrome in female carriers

An X-linked condition in some females with Coffin-Lowry gene changes, with variable facial features, short stature, and learning differences.

Understanding Symptomatic form of Coffin-Lowry syndrome in female carriers

Symptomatic Coffin-Lowry syndrome in female carriers is an X-linked condition that affects some females who carry the gene change.

Features vary a lot from person to person. They can include facial differences, short hands with tapering fingers, short stature, and a spine that curves more over time. Intellectual disability is mild to moderate, though intelligence can also be normal. A high rate of psychiatric conditions has been reported. Signs may begin during pregnancy, at birth, or in infancy.

Signs & symptoms

Symptoms vary from person to person. GARD lists these:

  • Large or short hands with tapered fingers
  • Facial differences such as a prominent forehead
  • Short stature
  • Curving spine (kyphoscoliosis)
  • Mild to moderate intellectual disability
  • Mood or psychiatric conditions

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include brain and nervous system specialists, genetic specialists and hormone specialists.

  3. Consider genetic testing

    Changes in RPS6KA3 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Genetic specialists (geneticists); Hormone specialists (endocrinologists)
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with Coffin-Lowry Syndrome Foundation
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
What learning or mental health supports could help?
How should my spine and growth be monitored?
Would RPS6KA3 gene testing help my family?

Quick facts

Symptoms usually startduring Pregnancy, at Birth, and as an Infant
InheritanceAutosomal Dominant
GenesRPS6KA3

Changes in the RPS6KA3 gene cause this condition. It is X-linked, meaning the gene is on the X chromosome.

GeneticNeurologicalEndocrine

Also known as: symptomatic form of coffin-lowry syndrome in female carrier

Patient organizations

Source: NIH GARD · Symptomatic form of Coffin-Lowry syndrome in female carriersGARD ID 21057 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

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