Increased symptoms of attention deficit hyperactivity disorder and major depressive disorder symptoms in nail-patella syndrome: Potential association with LMX1B loss-of-function

Carmen López-Arvizu, Elizabeth P. Sparrow, Michael J. Strube, Chris Slavin, Caroline Deoleo, Justin James, Julie Hoover-Fong, Iain Mcintosh, Elaine Tierney

Research output: Research - peer-reviewArticle

Abstract

Nail-Patella syndrome (NPS) is an autosomal dominant disorder that is the result of heterozygous loss-of-function mutations in LMX1B, coding for a LIM homeobox (LIM-HD) transcription factor. Analyses of lmx1b mutant mice have revealed the role of Lmx1b in the development of mesencephalic dopaminergic neurons and the serotonergic system; these areas have been linked with symptoms of attention deficit hyperactivity disorder (ADHD) and major depressive disorder (MDD). Fifty adults (38 females, 12 males) with NPS completed the Conners' Adult ADHD Rating Scales-Self-report: Long Version (CAARS) and Beck Depression Inventory-II (BDI-II). The objective was to describe the neurobehavioral phenotype of these subjects and examine possible relationships between neurobehavioral symptoms and NPS. Elevated levels of DSM-IV-TR ADHD Inattentive symptoms were reported on the CAARS by 22% of the NPS sample. The BDI-II Total score was elevated for 40% of the NPS sample. There was a significant increase in the odds of an elevated BDI-II Total score when any of the three CAARS scales were elevated (odds ratios ranging from 11.455 to 15.615). The CAARS and BDI-II did not significantly differ with gender, age, or education level. There was no significant association between genetic mutation-predicted protein status and elevations on CAARS or BDI-II. Individuals with NPS reported co-occurring symptoms of ADHD and MDD, with higher levels of co-occurrence than reported in the literature for the general population. The co-occurrence of these symptoms may be related to mesencephalic dopaminergic neurologic pathway abnormalities that are a consequence of LMX1B loss of function.

LanguageEnglish (US)
Pages59-66
Number of pages8
JournalAmerican Journal of Medical Genetics - Neuropsychiatric Genetics
Volume156
Issue number1
DOIs
StatePublished - Jan 2011

Fingerprint

Nail-Patella Syndrome
Major Depressive Disorder
Attention Deficit Disorder with Hyperactivity
Depression
Equipment and Supplies
Mutation
Nervous System Malformations
Homeobox Genes
Dopaminergic Neurons
Diagnostic and Statistical Manual of Mental Disorders
Self Report
Transcription Factors
Odds Ratio
Phenotype
Education
Population
Proteins

Keywords

  • ADHD
  • Behavior phenotype
  • MDD
  • Neurobehavior

ASJC Scopus subject areas

  • Genetics(clinical)
  • Psychiatry and Mental health
  • Cellular and Molecular Neuroscience
  • Medicine(all)

Cite this

Increased symptoms of attention deficit hyperactivity disorder and major depressive disorder symptoms in nail-patella syndrome : Potential association with LMX1B loss-of-function. / López-Arvizu, Carmen; Sparrow, Elizabeth P.; Strube, Michael J.; Slavin, Chris; Deoleo, Caroline; James, Justin; Hoover-Fong, Julie; Mcintosh, Iain; Tierney, Elaine.

In: American Journal of Medical Genetics - Neuropsychiatric Genetics, Vol. 156, No. 1, 01.2011, p. 59-66.

Research output: Research - peer-reviewArticle

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