Johnny Deladoey

Summary

Country: Canada

Publications

  1. doi Linear association between household income and metabolic control in children with insulin-dependent diabetes mellitus despite free access to health care
    Johnny Deladoey
    Endocrinology and Diabetes Service, Centre hospitalier universitaire Sainte Justine, Department of Pediatrics, University of Montreal, Montreal, Canada H3T 1C5
    J Clin Endocrinol Metab 98:E882-5. 2013
  2. doi Is the incidence of congenital hypothyroidism really increasing? A 20-year retrospective population-based study in Québec
    Johnny Deladoey
    Endocrinology Service and Research Center, Sainte Justine Hospital and Department of Pediatrics, University of Montreal, Montreal H3T 1C5, Canada
    J Clin Endocrinol Metab 96:2422-9. 2011
  3. doi Role for tissue-dependent methylation differences in the expression of FOXE1 in nontumoral thyroid glands
    Rasha Abu-Khudir
    Endocrinology Service and Research Center R A K, F M, C D, G V V, J D, Centre hospitalier universitaire Sainte Justine, Department of Pediatrics, University of Montreal, Montreal, Canada H3T 1C5 Department of Biochemistry R A K, J D, University of Montreal, Montreal, Canada H3C 3J7 and Endocrinology and Diabetes Unit J P C, Department of Pediatrics, British Columbia Children s Hospital, University of British Columbia, Vancouver, Canada V6H 3V4
    J Clin Endocrinol Metab 99:E1120-9. 2014
  4. doi A search for variables predicting cortisol response to low-dose corticotropin stimulation following supraphysiological doses of glucocorticoids
    Stefanie Wildi-Runge
    Endocrinology Service and Research Center, Sainte Justine University Hospital Center and Department of Pediatrics, University of Montreal, Montreal, Quebec, Canada
    J Pediatr 163:484-8. 2013
  5. doi A high prevalence of dual thyroid ectopy in congenital hypothyroidism: evidence for insufficient signaling gradients during embryonic thyroid migration or for the polyclonal nature of the thyroid gland?
    Stefanie Wildi-Runge
    Centre hospitalier universitaire Sainte Justine, 3175 Cote Sainte Catherine, Montreal Quebec, Canada
    J Clin Endocrinol Metab 97:E978-81. 2012
  6. doi Non-immune goiter and hypothyroidism in a 19-week fetus: a plea for conservative treatment
    Sophie Stoppa-Vaucher
    Endocrinology Service and Research Center and Department of Pediatrics, CHU Sainte Justine and Université de Montréal, Montreal, Canada
    J Pediatr 156:1026-9. 2010
  7. doi Is ultrasonography useful in predicting thyroid cancer in children with thyroid nodules and apparently benign cytopathologic features?
    Jannette Saavedra
    Endocrinology Service and Research Center, Department of Pediatrics, Centre hospitalier universitaire Sainte Justine, Montreal, Que, Canada
    Horm Res Paediatr 75:269-75. 2011
  8. pmc Variation by ethnicity in the prevalence of congenital hypothyroidism due to thyroid dysgenesis
    Sophie Stoppa-Vaucher
    Department of Pediatrics, Endocrinology Service and Research Center, CHU Sainte Justine, Universite de Montreal, Montreal, Canada
    Thyroid 21:13-8. 2011
  9. doi Somatic Mutations Are Not Observed by Exome Sequencing of Lymphocyte DNA from Monozygotic Twins Discordant for Congenital Hypothyroidism due to Thyroid Dysgenesis
    Fabien Magne
    Endocrinology Service and Research Center, Sainte Justine University Hospital Center, Department of Pediatrics, University of Montreal, Montreal, Que, Canada
    Horm Res Paediatr 83:79-85. 2015
  10. pmc Functional zebrafish studies based on human genotyping point to netrin-1 as a link between aberrant cardiovascular development and thyroid dysgenesis
    Robert Opitz
    Institute of Interdisciplinary Research in Molecular Human Biology R O, I V, A T, S C, Universite Libre de Bruxelles, 1070 Brussels, Belgium Research Center of Centre Hospitalier Universitaire Sainte Justine M P H, I V, R A K, M S, G A, J D, Department of Pediatrics, Universite de Montreal, Montreal, Quebec, Canada H3T 1C5 and Department of Medical Genetics V D, Centre Hospitalier Universitaire de Sherbrooke, Sherbrooke, Canada J1H 1P8
    Endocrinology 156:377-88. 2015

Collaborators

Detail Information

Publications20

  1. doi Linear association between household income and metabolic control in children with insulin-dependent diabetes mellitus despite free access to health care
    Johnny Deladoey
    Endocrinology and Diabetes Service, Centre hospitalier universitaire Sainte Justine, Department of Pediatrics, University of Montreal, Montreal, Canada H3T 1C5
    J Clin Endocrinol Metab 98:E882-5. 2013
    ..In health care systems with a user fee, the impact of socioeconomic factors on pediatric insulin-dependent diabetes mellitus (IDDM) control could be due to the cost of accessing care...
  2. doi Is the incidence of congenital hypothyroidism really increasing? A 20-year retrospective population-based study in Québec
    Johnny Deladoey
    Endocrinology Service and Research Center, Sainte Justine Hospital and Department of Pediatrics, University of Montreal, Montreal H3T 1C5, Canada
    J Clin Endocrinol Metab 96:2422-9. 2011
    ....
  3. doi Role for tissue-dependent methylation differences in the expression of FOXE1 in nontumoral thyroid glands
    Rasha Abu-Khudir
    Endocrinology Service and Research Center R A K, F M, C D, G V V, J D, Centre hospitalier universitaire Sainte Justine, Department of Pediatrics, University of Montreal, Montreal, Canada H3T 1C5 Department of Biochemistry R A K, J D, University of Montreal, Montreal, Canada H3C 3J7 and Endocrinology and Diabetes Unit J P C, Department of Pediatrics, British Columbia Children s Hospital, University of British Columbia, Vancouver, Canada V6H 3V4
    J Clin Endocrinol Metab 99:E1120-9. 2014
    ..This prompted us to evaluate whether differentially methylated regions (DMRs) can be found between human thyroids (either eutopic or ectopic) and matched leukocytes...
  4. doi A search for variables predicting cortisol response to low-dose corticotropin stimulation following supraphysiological doses of glucocorticoids
    Stefanie Wildi-Runge
    Endocrinology Service and Research Center, Sainte Justine University Hospital Center and Department of Pediatrics, University of Montreal, Montreal, Quebec, Canada
    J Pediatr 163:484-8. 2013
    ..To determine which biological or clinical variables may predict cortisol response to low-dose adrenocorticotropic hormone (ACTH) stimulation following supraphysiological doses of glucocorticoids in children...
  5. doi A high prevalence of dual thyroid ectopy in congenital hypothyroidism: evidence for insufficient signaling gradients during embryonic thyroid migration or for the polyclonal nature of the thyroid gland?
    Stefanie Wildi-Runge
    Centre hospitalier universitaire Sainte Justine, 3175 Cote Sainte Catherine, Montreal Quebec, Canada
    J Clin Endocrinol Metab 97:E978-81. 2012
    ..However, some cases have dual ectopy, with part of the tissue having partially migrated. We hypothesized that this occurs more frequently than previously reported...
  6. doi Non-immune goiter and hypothyroidism in a 19-week fetus: a plea for conservative treatment
    Sophie Stoppa-Vaucher
    Endocrinology Service and Research Center and Department of Pediatrics, CHU Sainte Justine and Université de Montréal, Montreal, Canada
    J Pediatr 156:1026-9. 2010
    ..Psychomotor outcome was normal. We argue that intra-amniotic thyroxine should not be used to treat the hypothyroidism but only to correct the development of polyhydramnios...
  7. doi Is ultrasonography useful in predicting thyroid cancer in children with thyroid nodules and apparently benign cytopathologic features?
    Jannette Saavedra
    Endocrinology Service and Research Center, Department of Pediatrics, Centre hospitalier universitaire Sainte Justine, Montreal, Que, Canada
    Horm Res Paediatr 75:269-75. 2011
    ..To assess whether the presence of certain findings on thyroid ultrasonography (US) correctly diagnoses malignancy even when a fine-needle aspiration biopsy (FNAB) suggests a benign lesion...
  8. pmc Variation by ethnicity in the prevalence of congenital hypothyroidism due to thyroid dysgenesis
    Sophie Stoppa-Vaucher
    Department of Pediatrics, Endocrinology Service and Research Center, CHU Sainte Justine, Universite de Montreal, Montreal, Canada
    Thyroid 21:13-8. 2011
    ..The scant data on ethnic differences in the prevalence of congenital hypothyroidism (CH) have generally not taken etiology of CH into account. Our hypothesis is that the prevalence of CH due to thyroid dysgenesis (TD) varies by ethnicity...
  9. doi Somatic Mutations Are Not Observed by Exome Sequencing of Lymphocyte DNA from Monozygotic Twins Discordant for Congenital Hypothyroidism due to Thyroid Dysgenesis
    Fabien Magne
    Endocrinology Service and Research Center, Sainte Justine University Hospital Center, Department of Pediatrics, University of Montreal, Montreal, Que, Canada
    Horm Res Paediatr 83:79-85. 2015
    ..One possible explanation is somatic mutation in genes involved in thyroid migration occurring after zygotic twinning. Such mutations should be observed only in the affected twin...
  10. pmc Functional zebrafish studies based on human genotyping point to netrin-1 as a link between aberrant cardiovascular development and thyroid dysgenesis
    Robert Opitz
    Institute of Interdisciplinary Research in Molecular Human Biology R O, I V, A T, S C, Universite Libre de Bruxelles, 1070 Brussels, Belgium Research Center of Centre Hospitalier Universitaire Sainte Justine M P H, I V, R A K, M S, G A, J D, Department of Pediatrics, Universite de Montreal, Montreal, Quebec, Canada H3T 1C5 and Department of Medical Genetics V D, Centre Hospitalier Universitaire de Sherbrooke, Sherbrooke, Canada J1H 1P8
    Endocrinology 156:377-88. 2015
    ..Hence, careful phenotyping of patients combined with molecular and functional studies in zebrafish identify Netrin-1 as a potential shared genetic factor for cardiac and thyroid congenital defects...
  11. doi Autonomous adenomas caused by somatic mutations of the thyroid-stimulating hormone receptor in children
    Francisca Grob
    Endocrinology Service and Research Center, Centre hospitalier universitaire Sainte Justine, Montreal, Que, Canada
    Horm Res Paediatr 81:73-9. 2014
    ....
  12. doi Evidence for calcitonin-producing cells in human lingual thyroids
    Isabelle Vandernoot
    Research Center of Sainte Justine Hospital, Department of Pediatrics, University of Montreal, Montreal, Quebec, Canada H3T 1C5
    J Clin Endocrinol Metab 97:951-6. 2012
    ..Lingual thyroids result from the failure of the thyroid precursor cells to migrate from the primordial pharynx to the anterior part of the neck. Therefore, calcitonin-producing cells are not expected to be present in lingual thyroids...
  13. ncbi Pseudodominant inheritance of goitrous congenital hypothyroidism caused by TPO mutations: molecular and in silico studies
    Johnny Deladoey
    Endocrinology Service and Research Center, Sainte Justine Hospital and Department of Pediatrics, University of Montreal, Montreal, Canada H3T 1C5
    J Clin Endocrinol Metab 93:627-33. 2008
    ..We report the genetic mechanism underlying the apparently dominant inheritance of goitrous CH in a nonconsanguineous family of French Canadian origin...
  14. doi Interpreting Minor Variations in Thyroid Function or Echostructure: Treating Patients, Not Numbers or Images
    Guy Van Vliet
    Department of Pediatrics, Endocrinology Service and Research Center, Centre hospitalier universitaire Sainte Justine, 3175 Chemin de la Côte Ste Catherine, Montreal, Quebec H3T 1C5, Canada Electronic address
    Pediatr Clin North Am 62:929-42. 2015
    ..Yet, an ultrasound is not required to make a diagnosis of Hashimoto thyroiditis and small cysts and nodules discovered incidentally often lead to unjustified concerns about neoplasia. ..
  15. doi Diagnosis, treatment and outcome of congenital hypothyroidism
    Guy Van Vliet
    Endocrinology Service and Research Center, Centre hospitalier universitaire Sainte Justine, Montreal, Que, Canada
    Endocr Dev 26:50-9. 2014
    ..Cognitive outcome has improved dramatically with screening for overt congenital hypothyroidism, but the benefits from treatment of mild isolated hyperthyrotropinemia remain unproven...
  16. pmc Transcriptome, methylome and genomic variations analysis of ectopic thyroid glands
    Rasha Abu-Khudir
    Department of Pediatrics, Endocrinology Service and Research Center, CHU Sainte Justine, University of Montreal, Montreal, Canada
    PLoS ONE 5:e13420. 2010
    ..Moreover, a survey of monozygotic twins yielded a discordance rate of 92%, suggesting that somatic events, genetic or epigenetic, probably play an important role in the etiology of CHTD...
  17. ncbi Possible non-Mendelian mechanisms of thyroid dysgenesis
    Johnny Deladoey
    Endocrinology Service and Research Center, Department of Pediatrics, Sainte Justine Hospital, University of Montreal, Montreal, Quebec, Canada
    Endocr Dev 10:29-42. 2007
    ....
  18. doi Bioinactive ACTH causing glucocorticoid deficiency
    Mark E Samuels
    Endocrinology Service and Research Center, Centre hospitalier universitaire Sainte Justine, Department of Pediatrics, University of Montreal, Montreal H3T 1C5, Canada
    J Clin Endocrinol Metab 98:736-42. 2013
    ..R8C mutation in the sequence encoding ACTH and α-MSH. The boy was homozygous for the p.R8C mutation...
  19. doi Are guidelines for glucocorticoid coverage in adrenal insufficiency currently followed?
    Coralie Leblicq
    Endocrinology Service and Research Center, CHU Sainte Justine and Department of Pediatrics, University of Montreal, Montreal, Quebec, Canada
    J Pediatr 158:492-498.e1. 2011
    ..To search for evidence of acute adrenal failure linked to inappropriate use of stress management protocols...
  20. ncbi Random variability in congenital hypothyroidism from thyroid dysgenesis over 16 years in Québec
    Johnny Deladoey
    Endocrinology Service and Research Center, Sainte Justine Hospital, University of Montreal, H3T 1C5 Quebec, Canada
    J Clin Endocrinol Metab 92:3158-61. 2007
    ..However, the possibility that environmental factors might be involved has been raised by studies showing a seasonal variability of the incidence of CHTD...