Abstract:
:Dimethyl sulfoxide (DMSO) is an amphipathic molecule that is used as a solvent in biological studies and as a vehicle for drug therapy. The present study was designed to evaluate the potential effects of DMSO as a solvent in the treatment of testicular embryonal carcinomas (ECs). DMSO was applied to two human EC cell lines (NEC8 and NEC14), with the treated cells evaluated in relation to cisplatin (CDDP) resistance, differentiation (using Vimentin, Fibronectin, TRA-1-60, and SSEA-1 and -3 as markers) and stemness (denoted by expression of SOX2 and OCT3/4). Furthermore, DNA methyltransferase (DNMT-1, -3A and -3L) expression and methylation status were analyzed. DMSO induced resistance to CDDP, aberrant differentiation and reduction of stemness-related markers in each of the EC cell lines. The expression levels of DNMT-3L and -3A were reduced in response to DMSO, while this treatment also affected DNA methylation. The data demonstrated that DMSO perturbed differentiation, reduced stemness and induced resistance to CDDP in human EC cells. Therefore, DMSO could reduce drug efficacy against EC cells and its use should be carefully managed in the clinical application of chemotherapy.
journal_name
Oncol Lettjournal_title
Oncology lettersauthors
Kita H,Okamoto K,Kushima R,Kawauchi A,Chano Tdoi
10.3892/ol.2015.3306subject
Has Abstractpub_date
2015-08-01 00:00:00pages
661-666issue
2eissn
1792-1074issn
1792-1082pii
OL-0-0-3306journal_volume
10pub_type
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