New Methods to Improve the Safety Assessment of Cryopreserved Ovarian Tissue for Fertility Preservation in Breast Cancer Patients  

Oleh:

Rodríguez-Iglesias, Beatriz ; Novella-Maestre, Edurne ; Herraiz, Sonia ; Díaz-García, Cesar ; Pellicer, Nuria ; Pellicer, Antonio

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Fertility and Sterility (keterangan: ada di ClinicalKey) vol. 104 no. 06 (Dec. 2015), page 1493–1502.
Topik: Breast Cancer; GCDFP15; MGB1; Ovarian Cortex Cryopreservation; SBEM
Fulltext: F02 v104 n6 p1493 kelik2016.pdf (3.3MB)

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Perpustakaan FK Nomor Panggil: F02.K Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Objective: To develop a novel molecular panel of markers to detect breast cancer (BC) disseminated malignant cells in ovarian tissue, and to improve the safety of ovarian tissue transplantation. Design: Experimental study. Setting: University hospital. Patient(s): Ten ovarian biopsies from healthy patients, 13 biopsies with diagnosed BC metastasis, and 4 biopsies from primary BC tumor for designing a diagnostic panel of BC cell contamination; 60 ovarian biopsies from BC patients undergoing fertility preservation for validating the panel. Animal(s): Female nude mice. Intervention(s): A novel panel for BC malignant cell detection by reverse-transcription polymerase chain reaction (RT-PCR), inmmunohistochemical analysis, in vitro invasion assay and xenotransplantation assayed in ovarian tissue from BC patients. Main Outcome Measure(s): Expression of GCDFP15, MGB1, SBEM, MUC1, WT-1, and NY-BR-01, selected as markers, assessed by quantitative RT-PCR in samples with confirmed BC metastasis. The most sensitive markers were confirmed by immunohistochemistry, and tested in vitro and in vivo. Result(s): GCDFP15, MGB1, and SBEM were the most sensitive and specific markers to detect BC metastatic cells when at least one was expressed by quantitative RT-PCR. The panel was validated in 60 patients and confirmed in an in vitro invasion assay, where no invasive cells were observed. Samples negative for BC cells cannot develop disease when xenografted. Conclusion(s): GCDFP15, MGB1, and SBEM were the most sensitive molecules to create a diagnostic panel for BC malignant cell contamination, which may make ovarian tissue cryopreservation and transplantation a safe technique for fertility preservation in BC patients.

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