Systemic lupus erythematosus in a patient with Noonan syndrome-like disorder with loose anagen hair 1

More than a chance association

Tomoko Uehara, Naoki Hosogaya, Nobutake Matsuo, Kenjiro Kosaki

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Systemic lupus erythematosus (SLE) has been reported among patients with RASopathy. Five patients have been reported: three with SHOC2 variants, one with a PTPN11 variant, and one with a KRAS variant. SHOC2 variant might represent a relatively common predisposing factor for SLE among the RASopathy genes. However, the clinical details were only reported for two patients, while information on the remaining patient appeared only in a tabular format with minimal clinical description. Here, we report a patient with a SHOC2 variant and SLE. The proband was a 28-year-old male patient with intellectual disabilities, a short stature, dysmorphic facial features, and thin hair. He developed hypertrophic cardiomyopathy and afebrile generalized seizures at the ages of 7 and 18 years, respectively. At the age of 24 years, he presented with a 3-day history of intermittent fever accompanied by right chest pain and a malar butterfly rash. He fulfilled both the American College of Rheumatology (ACR) criteria and the Systemic Lupus International Collaborating Clinics (SLICC) criteria for SLE and was successfully treated with prednisolone. Medical exome sequencing identified a de novo SHOC2 variant (c.4A > G, p.S2G). The present report of a second patient who fulfills both the ACR criteria and the SLICC criteria of SLE. We suggest that the association between SHOC2 variant and SLE represents more than a chance association. In the event of fever of unknown origin in patients with constitutional SHOC2 pathogenic variant, SLE should be suspected.

Original languageEnglish
Pages (from-to)1662-1666
Number of pages5
JournalAmerican Journal of Medical Genetics, Part A
Volume176
Issue number7
DOIs
Publication statusPublished - 2018 Jul 1

Fingerprint

Systemic Lupus Erythematosus
Exome
Fever of Unknown Origin
Butterflies
Noonan-Like Syndrome With Loose Anagen Hair
Hypertrophic Cardiomyopathy
Rheumatology
Prednisolone
Exanthema
Chest Pain
Intellectual Disability
Causality
Hair
Seizures
Fever
Genes

Keywords

  • Noonan syndrome-like disorder with loose anagen hair 1
  • RASopathy
  • SHOC2
  • systemic lupus erythematosus

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

Cite this

Systemic lupus erythematosus in a patient with Noonan syndrome-like disorder with loose anagen hair 1 : More than a chance association. / Uehara, Tomoko; Hosogaya, Naoki; Matsuo, Nobutake; Kosaki, Kenjiro.

In: American Journal of Medical Genetics, Part A, Vol. 176, No. 7, 01.07.2018, p. 1662-1666.

Research output: Contribution to journalArticle

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