References of "Theodoropoulou, M"
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See detailCyclin dependent kinase inhibitor (CDKN1B) gene variants in AIP mutation-negative familial isolated pituitary adenomas (FIPA) kindreds
Tichomirowa, M.; Lee, M.; Barlier, A. et al

in Endocrine-Related Cancer (2012), 19

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See detailImpact des mutations germinales du gène AIP sur les caractéristiques tumorales et la prise en charge médicale chez les patients acromégales jeunes : résultats d'une étude sur des populations appariées pour l'âge et le diamètre de la tumeur
Beckers, Albert ULg; Tichomirowa, m; Theodoropoulou, M. et al

in Annales d'Endocrinologie - 28ème congrès de la société Française d'Endocrinologie (2011)

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See detailMutations AIP chez les jeunes patients en dessous de 30 ans avec adénome hypophysaire agressif
Beckers, Albert ULg; Tichomirowa, M.; Barlier, A. et al

in Annales d'Endocrinologie (2010, September), 71(5), 397

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See detailCaractérisation des facteurs associés à la perte d'expression de AIP dans les adénomes hypophysaires somatotropes
Jaffrain-Rea, M. L.; Angelini, M.; Tichomirowa, M. et al

in Annales d'Endocrinologie (2010, September), 71(5), 406

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See detailMutations AIP chez les jeunes patients en-dessous de 30 ans avec adénome hypophysaire agressif
Beckers, Albert ULg; Tichomirowa, M.; Barlier, A. et al

in 27ème Congrès de la Société Française d'Endocrinologie - Deauville, 29 septembre - 2 octobre 2010 (2010, September)

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See detailRecherche de la mutation du gène CDKN1B dans les adénomes hypophysaires familiaux isolés (FIPA): analyse de 86 familles
Beckers, Albert ULg; Tichomirowa, M.; Pellegata, N. et al

in Annales d'Endocrinologie (2010, September), 71(5), 398

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See detailFactors associated with AIP expression in somatotropinomas and the possible influence of somatostatin analogues
Jaffrain-Rea, M. L.; Angelini, M.; Tichomirowa, M. et al

in European Neuroendocrine Association - Liège, 22-25 septembre 2010 (2010, September)

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See detailCyclin dependent kinase inhibitor 1B (CDKN1B) gene mutations in FIPA
Tichomirowa, M. A.; Pellegata, N. S.; Barlier, A. et al

in European Neuroendocrine Association - Liège, 22-25 septembre 2010 (2010, September)

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See detailCaractérisation des facteurs associés à la perte d'expression de AIP dans les adénomes hypophysaires somatotropes
Jaffrain-Rea, M.; Angelini, M.; Tichomirowa, M. et al

in 27ème Congrès de la Société Française d'Endocrinologie - Deauville, 29 septembre - 2 octobre 2010 (2010, September)

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See detailRecherche de la mutation du gène CDKN1B dans les adénomes hypophysaires familiaux isolés (FIPA) : analyse de 86 familles
Beckers, Albert ULg; Tichomirowa, M.; Pellegata, N. et al

in 27ème Congrès de la Société Française d'Endocrinologie - Deauville, 29 septembre - 2 octobre 2010 (2010, September)

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See detailExpression of aryl hydrocarbon receptor (AHR) and AHR-interacting protein in pituitary adenomas: pathological and clinical implications.
Jaffrain-Rea, M. L.; Angelini, M.; Gargano, D. et al

in Endocrine-Related Cancer (2009), 16(3), 1029-1043

Germline mutations of the aryl hydrocarbon receptor (AHR)-interacting protein (AIP) gene confer a predisposition to pituitary adenomas (PA), usually in the setting of familial isolated PA. To provide ... [more ▼]

Germline mutations of the aryl hydrocarbon receptor (AHR)-interacting protein (AIP) gene confer a predisposition to pituitary adenomas (PA), usually in the setting of familial isolated PA. To provide further insights into the possible role of AIP in pituitary tumour pathogenesis, the expression of AIP and AHR was determined by real-time RT-PCR and/or immunohistochemistry (IHC) in a large series of PA (n=103), including 17 with AIP mutations (AIP(mut)). Variable levels of AIP and AHR transcripts were detected in all PA, with a low AHR expression (P<0.0001 versus AIP). Cytoplasmic AIP and AHR were detected by IHC in 84.0 and 38.6% of PA respectively, and significantly correlated with each other (P=0.006). Nuclear AHR was detected in a minority of PA (19.7%). The highest AIP expression was observed in somatotrophinomas and non-secreting (NS) PA, and multivariate analysis in somatotrophinomas showed a significantly lower AIP immunostaining in invasive versus non-invasive cases (P=0.019). AIP expression was commonly low in other secreting PA. AIP immunostaining was abolished in a minority of AIP(mut) PA, with a frequent loss of cytoplasmic AHR and no evidence of nuclear AHR. In contrast, AIP overexpression in a subset of NS PA could be accompanied by nuclear AHR immunopositivity. We conclude that down-regulation of AIP and AHR may be involved in the aggressiveness of somatotrophinomas. Overall, IHC is a poorly sensitive tool for the screening of AIP mutations. Data obtained on AHR expression suggest that AHR signalling may be differentially affected according to PA phenotype. [less ▲]

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See detailZac1 Immunoreactivity in Acromegalic Tumors is Associated with the Response to Somatostatin Analog 11 Treatment
Theodoropoulou, M.; Tichomirowa, M. A.; Sievers, C. et al

in ENDO 2008: 90th Annual Meeting of the Endocrine Society - Abstract book (2008)

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See detailAIP protein expression can predict treatment response to somatostatin analogs in sporadic GH secreting adenomas in women
Tichomirowa, M. A.; Theodoropoulou, M.; Sievers, C. et al

in ENDO 2008: 90th Annual Meeting of the Endocrine Society - Abstract book (2008)

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