The mRNA expression of PTTG1 is a strong prognostic indicator for recurrence after hypophysectomy in dogs with corticotroph pituitary adenomas

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    Abstract

    Pituitary-dependent hypercortisolism (PDH) is a common endocrinopathy in dogs, but the promotors and initiators of the tumourigenesis of corticotroph pituitary adenomas remain unknown. Based on human data, we investigated mRNA expression of pituitary tumour transforming gene 1 (PTTG1) with quantitative RT-PCR in canine corticotroph pituitary adenomas. PTTG1 was overexpressed in adenomas approximately 3-fold. A strong association was observed between PTTG1 expression and disease-free interval; dogs with high PTTG1 expression had a significantly (4 times; P=0.02) shorter disease-free interval than dogs with low PTTG1 expression. This paper shows that PTTG1 expression is a negative prognosticator in relation to disease-free interval and recurrence in dogs undergoing transsphenoidal hypophysectomy as treatment for PDH.

    Original languageEnglish
    Pages (from-to)19-21
    Number of pages3
    JournalVeterinary Journal
    Volume240
    DOIs
    Publication statusPublished - 2018

    Keywords

    • Dog
    • Hypophysectomy
    • Pituitary adenoma
    • Quantitative RT-PCR
    • Survival time

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