Strategies for Advancing Disease Definition Using Biomarkers and Genetics: The Bipolar and Schizophrenia Network for Intermediate Phenotypes

Carol A. Tamminga, Godfrey D. Pearlson, Ana D. Stan, Robert D. Gibbons, Jaya Padmanabhan, Matcheri Keshavan, Brett A. Clementz

Research output: Contribution to journalReview article

15 Citations (Scopus)

Abstract

It is critical for psychiatry as a field to develop approaches to define the molecular, cellular, and circuit basis of its brain diseases, especially for serious mental illnesses, and then to use these definitions to generate biologically based disease categories, as well as to explore disease mechanisms and illness etiologies. Our current reliance on phenomenology is inadequate to support exploration of molecular treatment targets and disease formulations, and the leap directly from phenomenology to disease biology has been limiting because of broad heterogeneity within conventional diagnoses. The questions addressed in this review are formulated around how we can use brain biomarkers to achieve disease categories that are biologically based. We have grouped together a series of vignettes as examples of early approaches, all using the Bipolar and Schizophrenia Network on Intermediate Phenotypes (BSNIP) biomarker database and collaborators, starting off with describing the foundational statistical methods for these goals. We use primarily criterion-free statistics to identify pertinent groups of involved genes related to psychosis as well as symptoms, and finally, to create new biologically based disease cohorts within the psychopathological dimension of psychosis. Although we do not put these results forward as final formulations, they represent a novel effort to rely minimally on phenomenology as a diagnostic tool and to fully embrace brain characteristics of structure, as well as molecular and cellular characteristics and function, to support disease definition in psychosis.

Original languageEnglish (US)
Pages (from-to)20-27
Number of pages8
JournalBiological Psychiatry: Cognitive Neuroscience and Neuroimaging
Volume2
Issue number1
DOIs
StatePublished - Jan 1 2017

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Schizophrenia
Biomarkers
Phenotype
Psychotic Disorders
Brain
Brain Diseases
Psychiatry
Databases
Genes

Keywords

  • Biomarker battery
  • Biomarker strategy
  • Brain biomarker
  • Disease categories
  • Disease definition
  • Psychosis

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Clinical Neurology
  • Cognitive Neuroscience
  • Biological Psychiatry

Cite this

Strategies for Advancing Disease Definition Using Biomarkers and Genetics : The Bipolar and Schizophrenia Network for Intermediate Phenotypes. / Tamminga, Carol A.; Pearlson, Godfrey D.; Stan, Ana D.; Gibbons, Robert D.; Padmanabhan, Jaya; Keshavan, Matcheri; Clementz, Brett A.

In: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging, Vol. 2, No. 1, 01.01.2017, p. 20-27.

Research output: Contribution to journalReview article

Tamminga, Carol A. ; Pearlson, Godfrey D. ; Stan, Ana D. ; Gibbons, Robert D. ; Padmanabhan, Jaya ; Keshavan, Matcheri ; Clementz, Brett A. / Strategies for Advancing Disease Definition Using Biomarkers and Genetics : The Bipolar and Schizophrenia Network for Intermediate Phenotypes. In: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging. 2017 ; Vol. 2, No. 1. pp. 20-27.
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