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Erschienen in: Breast Cancer Research and Treatment 3/2012

01.02.2012 | Brief Report

High level of miR-21, miR-10b, and miR-31 expression in bilateral vs. unilateral breast carcinomas

verfasst von: Aglaya G. Iyevleva, Ekatherina Sh. Kuligina, Nathalia V. Mitiushkina, Alexandr V. Togo, Yoshio Miki, Evgeny N. Imyanitov

Erschienen in: Breast Cancer Research and Treatment | Ausgabe 3/2012

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Abstract

We analyzed the expression of several microRNAs (miRs) implicated in breast cancer (BC) pathogenesis (miR-21, miR-10b, miR17-5p, mir-31, miR-155, miR-200c, miR-18a, miR-205, and miR-27a) in 80 breast carcinomas obtained from patients with bilateral BC (biBC) and 40 cases of unilateral BC (uBC). Unexpectedly, three miRs (miR-21, miR-10b and miR-31) demonstrated significantly higher level of expression in biBC vs. uBC (P = 0.0001, 0.00004 and 0.0002, respectively). Increased contents of miR-21, miR-10b and miR-31 were observed in all categories of biBC tumors, i.e., in synchronous biBC as well as in first and second tumors from metachronous biBC cases. Synchronous biBC showed more similarity of miR expression profiles within pairs that the metachronous doublets (P = 0.004). This study suggests that bilateral breast tumors have somewhat distinct pattern of molecular events as compared to the unilateral disease.
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Metadaten
Titel
High level of miR-21, miR-10b, and miR-31 expression in bilateral vs. unilateral breast carcinomas
verfasst von
Aglaya G. Iyevleva
Ekatherina Sh. Kuligina
Nathalia V. Mitiushkina
Alexandr V. Togo
Yoshio Miki
Evgeny N. Imyanitov
Publikationsdatum
01.02.2012
Verlag
Springer US
Erschienen in
Breast Cancer Research and Treatment / Ausgabe 3/2012
Print ISSN: 0167-6806
Elektronische ISSN: 1573-7217
DOI
https://doi.org/10.1007/s10549-011-1845-z

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Kardiotoxische Nebenwirkungen einer Therapie mit Immuncheckpointhemmern mögen selten sein – wenn sie aber auftreten, wird es für Patienten oft lebensgefährlich. Voruntersuchung und Monitoring sind daher obligat.

Costims – das nächste heiße Ding in der Krebstherapie?

28.05.2024 Onkologische Immuntherapie Nachrichten

„Kalte“ Tumoren werden heiß – CD28-kostimulatorische Antikörper sollen dies ermöglichen. Am besten könnten diese in Kombination mit BiTEs und Checkpointhemmern wirken. Erste klinische Studien laufen bereits.

Update Onkologie

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