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    Home > Active Ingredient News > Endocrine System > Eur J Endocrinol: The value of transcriptome analysis of paraffin specimens in the diagnosis and prognosis of adrenocortical carcinoma

    Eur J Endocrinol: The value of transcriptome analysis of paraffin specimens in the diagnosis and prognosis of adrenocortical carcinoma

    • Last Update: 2022-04-20
    • Source: Internet
    • Author: User
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    Background: Adrenal cortical carcinoma (ACC) is a rare endocrine cancer (1-2 cases per million people per year) with a poor overall prognosis


    Adrenal cortical carcinoma (ACC) is a rare endocrine cancer (1-2 cases per million people per year) with a poor overall prognosis


    The 5-year overall survival rate for ACC is generally less than 40%, but it is heterogeneous


    Transcriptome maps are the cornerstone of molecular classification


    OBJECTIVE: The primary objective was to determine the transcriptome profile of formalin-fixed paraffin-embedded (FFPE) samples using a novel 3'-end RNA sequencing technology


    Methods: We included 131 ACTs: a training cohort from Cochin Hospital and an independent validation cohort from Wurzburg Hospital


    Results: In the training cohort, unsupervised clustering identified 3 groups: "C1A" type invasive cancer (N=28, 29%), "C1B" type cancer (N=28, 29%) and "C2" type Adenomas (N=39, 41%)


    Figure 1.


    Figure 1.


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    Figure 2.


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    Figure 3.


    3' RNA sequencing is a convenient method to determine the molecular type of ACT from FFPE samples


    Transcriptome in paraffin samples for the diagnosis and prognosis of adrenocortical carcinoma

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