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See detailHypopituitarism in pituitary gigantism (results of an international study)
Rostomyan, L; Daly, Adrian ULg; Shah, N et al

in Abstract book - Symposium "Perspectives in Endocrinology" Congresses Highlights 2013:ECE Copenhagen, ENDO SF, SFE Paris (2014, February)

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See detailHypopituitarism in pituitary gigantism (results of an international study)
Rostomyan, Liliya ULg; Daly, Adrian ULg; Shah, NS et al

in The 3rd ENEA Workshop : Hypopituitarism - Abstract book (2013, December)

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See detailCaractéristiques cliniques et réponses thérapeutiques des patients avec adénome hypophysaire mutés pour AIP : étude internationale sur 96 cas
Beckers, Albert ULg; Daly, Adrian ULg; Petrossians, Patrick ULg et al

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

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See detailThe R304X mutation of the Aryl hydrocarbon receptor Interacting Protein gene in familial isolated pituitary adenomas: mutational Hot-Spot or founder effect?
Occhi, G.; Jaffrain-Rea, M. L.; Trivellin, G. et al

in Journal of Endocrinological Investigation (2010), 33

Background: Mutations in the Aryl hydrocarbon receptor Interacting Protein (AIP) gene have been described in about 15% of kindreds with Familial Isolated Pituitary Adenomas (FIPA) and in a minority of ... [more ▼]

Background: Mutations in the Aryl hydrocarbon receptor Interacting Protein (AIP) gene have been described in about 15% of kindreds with Familial Isolated Pituitary Adenomas (FIPA) and in a minority of early onset sporadic pituitary adenomas (PA). Among the AIP mutations reported so far, the R304X (AIPR304X) represents, together with the "Finnish mutation" Q14X, the most common one. Methods: Three AIPR304X Italian families, including a newly reported kindred, have been genotyped for 12 genetic markers surrounding the AIP gene in order to look for a potential founder effect in Italy. Disease penetrance and genotype-phenotype correlations were also addressed. Results: Analysis of chromosome 11' genetic markers revealed a common haplotype in two AIPR304X kindreds originating from central Italy. Overall, seventeen mutations carriers were identified, including 7 patients and 10 unaffected subjects, respectively, arguing in this case for a disease penetrance of 41%. Mean age at diagnosis was 19.1+/-6.7 years-old, with females tending to be older than males. Though most PA were somatotropinomas (6/7), a great variability in disease severity was observed, even between subjects sharing the same at-risk haplotype. Conclusion: These data provide strong evidence for a new founder effect of the AIPR304X mutation in central Italy and the observed variations in disease severity point out the role of additional genetic or environmental factors in such kindreds. [less ▲]

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See detailLa mutazione R304X del gene AIP negli adenomi ipofisari : caratteristiche bio-cliniche e aspetti genetici e funzionali
Jaffrain-Réa, M. L.; Occhi, G.; de Menis, E. et al

in 4th Incontri Italiano Sulle Malattie Ipotalamo-Ipofisarie : Ferrara 29-31 gennaio 2009 (2009, January)

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See detailAn International, Collaborative Study of the Disease Characteristics and Response to Therapy in 60 Pituitary Adenoma Patients with Aryl Hydrocarbon Receptor Interacting Protein (AIP) Gene Mutations
Daly, Adrian ULg; Tichomirowa, M. A.; Ebeling, T. M. L. et al

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

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See detailClinical characterization of familial isolated pituitary adenomas.
Daly, Adrian ULg; Jaffrain-Rea, M.-L.; Ciccarelli, A. et al

in Journal of Clinical Endocrinology and Metabolism (2006), 91(9), 3316-23

CONTEXT: Familial pituitary adenomas occur rarely in the absence of multiple endocrine neoplasia type 1 (MEN1) and Carney complex (CNC). OBJECTIVE: Our objective was to characterize the clinical and ... [more ▼]

CONTEXT: Familial pituitary adenomas occur rarely in the absence of multiple endocrine neoplasia type 1 (MEN1) and Carney complex (CNC). OBJECTIVE: Our objective was to characterize the clinical and genealogical features of non-MEN1/CNC familial isolated pituitary adenomas (FIPA). DESIGN AND SETTING: We conducted a retrospective study of clinical and genealogical characteristics of FIPA cases and performed a comparison with a sporadic population at 22 university hospitals in Belgium, Italy, France, and The Netherlands. RESULTS: Sixty-four FIPA families including 138 affected individuals were identified [55 prolactinomas, 47 somatotropinomas, 28 nonsecreting adenomas (NS), and eight ACTH-secreting tumors]. Cases were MEN1/PRKAR1A-mutation negative. First-degree relationships predominated (75.6%) among affected individuals. A single tumor phenotype occurred in 30 families (homogeneous), and heterogeneous phenotypes occurred in 34 families. FIPA cases were younger at diagnosis than sporadic cases (P = 0.015); tumors were diagnosed earlier in the first vs. the second generation of multigenerational families. Macroadenomas were more frequent in heterogeneous vs. homogeneous FIPA families (P = 0.036). Prolactinomas from heterogeneous families were larger and had more frequent suprasellar extension (P = 0.004) than sporadic cases. Somatotropinomas occurred as isolated familial somatotropinoma cases and within heterogeneous FIPA families; isolated familial somatotropinoma cases represented 18% of FIPA cases and were younger at diagnosis than patients with sporadic somatotropinomas. Familial NS cases were younger at diagnosis (P = 0.03) and had more frequently invasive tumors (P = 0.024) than sporadic cases. CONCLUSIONS: Homogeneous and heterogeneous expression of prolactinomas, somatotropinomas, NS, and Cushing's disease can occur within families in the absence of MEN1/CNC. FIPA and sporadic cases have differing clinical characteristics. FIPA may represent a novel endocrine neoplasia classification that requires further genetic characterization. [less ▲]

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