M A Roy

Summary

Country: Canada

Publications

  1. ncbi Clinical and methodological factors related to reliability of the best-estimate diagnostic procedure
    M A Roy
    Centre de Recherche Universite Laval Robert Giffard, Beauport, Quebec, Canada
    Am J Psychiatry 154:1726-33. 1997
  2. ncbi Subtyping schizophrenia according to outcome or severity: a search for homogeneous subgroups
    M A Roy
    Department of Psychiatry, Universite Laval, Quebec, Canada
    Schizophr Bull 27:115-38. 2001
  3. ncbi Male gender is associated with deficit schizophrenia: a meta-analysis
    M A Roy
    Centre de Recherche Universite Laval Robert Giffard, département de Psychiatrie de la faculté de Médecine de l Université Laval, Robert Giffard, 2601 de la Canardiere, Beauport, G1J 2G3, Quebec, Canada
    Schizophr Res 47:141-7. 2001
  4. ncbi A genome wide linkage study of obesity as secondary effect of antipsychotics in multigenerational families of eastern Quebec affected by psychoses
    Y C Chagnon
    Laval University Research Center Robert Giffard, Beauport, Québec G1J 2B3, Canada
    Mol Psychiatry 9:1067-74. 2004
  5. ncbi 6p24-22 region and major psychoses in the Eastern Quebec population. Le Groupe IREP
    M Maziade
    Centre de Recherche Universite Laval Robert Giffard, Beauport, Quebec, Canada
    Am J Med Genet 74:311-8. 1997
  6. ncbi Significant linkage for Tourette syndrome in a large French Canadian family
    C Merette
    Centre de Recherche Universite Laval Robert Giffard, Beauport, Quebec, G1J 2G3 Canada
    Am J Hum Genet 67:1008-13. 2000
  7. ncbi A search for specific and common susceptibility loci for schizophrenia and bipolar disorder: a linkage study in 13 target chromosomes
    M Maziade
    Centre de Recherche Universite Laval Robert Giffard, 2601, chemin de la Canardiere, Beauport Québec G1J 2G3, Canada
    Mol Psychiatry 6:684-93. 2001
  8. ncbi Possible association of the pro-melanin-concentrating hormone gene with a greater body mass index as a side effect of the antipsychotic olanzapine
    Y C Chagnon
    Laval University Robert Giffard Research Center, Quebec, Canada
    Am J Med Genet B Neuropsychiatr Genet 144:1063-9. 2007
  9. ncbi Shared and specific susceptibility loci for schizophrenia and bipolar disorder: a dense genome scan in Eastern Quebec families
    M Maziade
    Department of Psychiatry, Laval University, Quebec G1J 2G3, Canada
    Mol Psychiatry 10:486-99. 2005
  10. ncbi Selecting a control group in studies of the familial coaggregation of two disorders: a quantitative genetics perspective
    M A Roy
    Departement de Psychiatrie, Centre Hospitalier Robert Giffard and Centre de Recherche, Université Laval Robert Giffard, Beauport, Quebec, Canada
    Am J Med Genet 74:296-303. 1997

Collaborators

Detail Information

Publications16

  1. ncbi Clinical and methodological factors related to reliability of the best-estimate diagnostic procedure
    M A Roy
    Centre de Recherche Universite Laval Robert Giffard, Beauport, Quebec, Canada
    Am J Psychiatry 154:1726-33. 1997
    ..The reliability and accuracy of the best-estimate diagnostic procedure were examined, and factors associated with reliability were determined...
  2. ncbi Subtyping schizophrenia according to outcome or severity: a search for homogeneous subgroups
    M A Roy
    Department of Psychiatry, Universite Laval, Quebec, Canada
    Schizophr Bull 27:115-38. 2001
    ..We propose ten methodological and conceptual recommendations for future studies aimed at the identification of valid SZ subtypes according to outcome or severity...
  3. ncbi Male gender is associated with deficit schizophrenia: a meta-analysis
    M A Roy
    Centre de Recherche Universite Laval Robert Giffard, département de Psychiatrie de la faculté de Médecine de l Université Laval, Robert Giffard, 2601 de la Canardiere, Beauport, G1J 2G3, Quebec, Canada
    Schizophr Res 47:141-7. 2001
    ..g. sexual hormones) or gender differences in the liability to different etiologies of schizophrenia. The role of gender as a potential confounder must be closely examined in studies comparing deficit and non-deficit SZ...
  4. ncbi A genome wide linkage study of obesity as secondary effect of antipsychotics in multigenerational families of eastern Quebec affected by psychoses
    Y C Chagnon
    Laval University Research Center Robert Giffard, Beauport, Québec G1J 2B3, Canada
    Mol Psychiatry 9:1067-74. 2004
    ..PMCH encodes a neuropeptide involved in the control of food intake, energy expenditure, and in anxiety/depression. This first genome scan targeting the obesity side effect of antipsychotics identified 12q24 as a susceptibility region...
  5. ncbi 6p24-22 region and major psychoses in the Eastern Quebec population. Le Groupe IREP
    M Maziade
    Centre de Recherche Universite Laval Robert Giffard, Beauport, Quebec, Canada
    Am J Med Genet 74:311-8. 1997
    ....
  6. ncbi Significant linkage for Tourette syndrome in a large French Canadian family
    C Merette
    Centre de Recherche Universite Laval Robert Giffard, Beauport, Quebec, G1J 2G3 Canada
    Am J Hum Genet 67:1008-13. 2000
    ..18. Hence, even after adjustment for multiple testing, the present study shows statistically significant evidence for genetic linkage with TS...
  7. ncbi A search for specific and common susceptibility loci for schizophrenia and bipolar disorder: a linkage study in 13 target chromosomes
    M Maziade
    Centre de Recherche Universite Laval Robert Giffard, 2601, chemin de la Canardiere, Beauport Québec G1J 2G3, Canada
    Mol Psychiatry 6:684-93. 2001
    ..The 6p finding provided confirmatory evidence of linkage for SZ. Our results suggest that both specific and common susceptibility loci must be searched for SZ and BP...
  8. ncbi Possible association of the pro-melanin-concentrating hormone gene with a greater body mass index as a side effect of the antipsychotic olanzapine
    Y C Chagnon
    Laval University Robert Giffard Research Center, Quebec, Canada
    Am J Med Genet B Neuropsychiatr Genet 144:1063-9. 2007
    ..No association was observed for those over 50 years, or for rs11111201. These results suggest that the common allele of PMCH rs7973796 may be associated with a greater BMI in olanzapine-treated SZ patients...
  9. ncbi Shared and specific susceptibility loci for schizophrenia and bipolar disorder: a dense genome scan in Eastern Quebec families
    M Maziade
    Department of Psychiatry, Laval University, Quebec G1J 2G3, Canada
    Mol Psychiatry 10:486-99. 2005
    ..The present results support the relevance of investigating concurrently SZ and BP within the same study and have implications for the modelling of genetic effects...
  10. ncbi Selecting a control group in studies of the familial coaggregation of two disorders: a quantitative genetics perspective
    M A Roy
    Departement de Psychiatrie, Centre Hospitalier Robert Giffard and Centre de Recherche, Université Laval Robert Giffard, Beauport, Quebec, Canada
    Am J Med Genet 74:296-303. 1997
    ..Moreover, quantitative genetics methods may offer important advantages in the study of familial coaggregation...
  11. ncbi Anticipation in schizophrenia and bipolar disorder controlling for an information bias
    C Merette
    Centre de Recherche Universite Laval Robert Giffard, Quebec, Canada
    Am J Med Genet 96:61-8. 2000
    ..Findings suggest that future anticipation studies should also control for QOI. Am. J. Med. Genet. (Neuropsychiatr. Genet.) 96:61-68, 2000...
  12. ncbi Clinical diagnoses in young offspring from eastern Québec multigenerational families densely affected by schizophrenia or bipolar disorder
    M Maziade
    Centre de Recherche Universite Laval Robert Giffard, QC, Canada
    Acta Psychiatr Scand 117:118-26. 2008
    ....
  13. ncbi Prolongation of brainstem auditory-evoked responses in autistic probands and their unaffected relatives
    M Maziade
    or Michel Maziade, MD, FRCP C, Centre de Recherche Universite Laval Robert Giffard, 2601, chemin de la Canardiere, Beauport, Québec G1J 2G3 Canada
    Arch Gen Psychiatry 57:1077-83. 2000
    ..Autism also has strong genetic determinants, and like all major psychiatric disorders, its complex clinical phenotype renders genetic studies difficult. Innovative strategies focused on alternative biological phenotypes are needed...
  14. ncbi Differential RNA expression between schizophrenic patients and controls of the dystrobrevin binding protein 1 and neuregulin 1 genes in immortalized lymphocytes
    Y C Chagnon
    Laval University Research Center Robert Giffard, Quebec, Quebec, Canada
    Schizophr Res 100:281-90. 2008
    ..86, respectively), but was slightly repressed by olanzapine in controls (-8%; p=0.008) but not in SZ (+1%; p=0.91). These results are in agreement with those observed in post-mortem brain when the isoforms involved are considered...
  15. ncbi [Perturbed consciousness in schizophrenia: an evaluation of C.D. Frith's model]
    M Roy
    Ecole de Psychologie, Universite Laval, Quebec G1K 7P4, Canada
    Encephale 34:369-75. 2008
    ..While many neurocognitive models of schizophrenia coexist, a lot of attention has been centered on C.D. Frith's model over the past few years, especially in regard to its parsimony...
  16. ncbi Actual vs. best practices for young children with cerebral palsy: a survey of paediatric occupational therapists and physical therapists in Quebec, Canada
    M N Saleh
    School of Physical and Occupational Therapy, Faculty of Medicine, McGill University and Centre de recherche interdisciplinaire en réadaptation du Montréal métropolitain, Montreal, Quebec, Canada
    Dev Neurorehabil 11:60-80. 2008
    ..This study describes OT and PT practices for young children with CP in Quebec, Canada...