10 research outputs found

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

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    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

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

    No full text
    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
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