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Living with Nestor-Guillermo progeria syndrome

A rare genetic condition with an older-looking appearance, bone loss, little body fat, and stiff joints, starting in childhood.

Understanding Nestor-Guillermo progeria syndrome

Nestor-Guillermo progeria syndrome is a rare genetic condition that causes a prematurely aged appearance.

It involves severe bone loss (osteolysis), weak bones (osteoporosis), and little body fat. People do not have the heart, artery, and metabolic problems seen in some other progeria forms. Other features include slow growth, stiff joints, wide gaps between skull bones, distinct facial features, and persistent eyebrows, eyelashes, and scalp hair.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Bone loss (osteolysis)
  • Slow growth
  • Joint stiffness
  • Dry skin and hair loss
  • Dental crowding and bite problems
  • Beaked nose and thin lips

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 bone and joint specialists, genetic specialists, hormone specialists and skin, hair, and nail specialists.

  3. Consider genetic testing

    Changes in BANF1 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
Bone and joint specialists (orthopedists or orthopedic surgeons); Genetic specialists (geneticists); Hormone specialists (endocrinologists); Skin, hair, and nail specialists (dermatologists)
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 Progeria Research Foundation, Inc. and other patient organizations
  • 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
Should we have genetic testing for the BANF1 gene?
How can we protect bones and joints?
Which specialists should be on my care team?

Quick facts

Symptoms usually startChild
InheritanceAutosomal Recessive
GenesBANF1

GARD lists changes in the BANF1 gene. A child inherits a changed copy of the gene from each parent (autosomal recessive).

GeneticEndocrineSkin

Also known as: banf1-related neurodevelopmental syndrome; nestor guillermo progeria syndrome; ngps; ngps - nestor guillermo progeria syndrome; progeria syndrome, childhood-onset, with osteolysis

Patient organizations

Source: NIH GARD · Nestor-Guillermo progeria syndromeGARD ID 11008 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Nestor-Guillermo progeria syndrome.

Explore the Nestor-Guillermo progeria syndrome blog

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Explore actively recruiting Nestor-Guillermo progeria syndrome studies with HealthSpark.

HealthSpark

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  • Recruiting studies from ClinicalTrials.gov
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  • Eligibility is confirmed by the study team

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