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LncRNA RP3-326I13.1 promotes cisplatin resistance in lung adenocarcinoma by binding to HSP90B and upregulating MMP13
In conclusion, RP3-326I13.1 could promote DDP-resistance of LAD by binding to HSP90B and upregulating human matrix metalloproteinase-13 (MMP-13) and may serve as a therapeutic target, as well as a biomarker for predicting DDP-resistance in LAD.Abbreviations:DDP: Cisplatin; LAD: Lung adenocarcinoma; LncRNAs: Long non-coding RNAs; qPCR: real-time fluorescent quantitative PCR; HSP90B: Heat shock protein HSP 90-beta; RPMI: Roswell Park Memorial Institute; FBS: Fetal bovine serum; CT: computed tomography; MRI: magnetic resonance imaging; RECIST: Response evaluation criteria in solid tumors; NC: Negative control; OE: overexpress...
Source: Cancer Control - March 17, 2022 Category: Cancer & Oncology Authors: Huixin Zhou Xiaolu Huang Wenjing Shi Shihao Xu Jie Chen Kate Huang Yumin Wang Source Type: research

Interleukin-4 receptor-targeted delivery of Bcl-xL siRNA sensitizes tumors to chemotherapy and inhibits tumor growth.
In this study, we exploited IL-4R-targeted delivery of Bcl-xL siRNA to IL-4R-expressing tumor cells in order to sensitize them to chemotherapy. To target IL-4R, an IL-4R-binding peptide, IL4RPep-1, was attached to branched polyethyleneimine-superparamagnetic iron oxide nanoparticles (BPEI-SPION). These nanoparticles were then complexed with Bcl-xL-targeting siRNA. IL-4R-targeted BPEI-SPION/Bcl-xL siRNA more efficiently reduced Bcl-xL gene expression and enhanced cytotoxicity of doxorubicin in MDA-MB231 breast tumor cells compared to untargeted BPEI-SPION/Bcl-xL siRNA. The siRNA was released from the complexes after 15 h o...
Source: Biomaterials - July 15, 2017 Category: Materials Science Authors: Guruprasath P, Kim J, Gunassekaran GR, Chi L, Kim S, Park RW, Kim SH, Baek MC, Bae SM, Kim SY, Kim DK, Park IK, Kim WJ, Lee B Tags: Biomaterials Source Type: research

Combination Treatment with Theranostic Nanoparticles for Glioblastoma Sensitization to TMZ
Conclusions While our results demonstrate that siRNA delivery by targeted nanoparticles resulted in modulating tumor response to chemotherapy in GBM, they also point to a significant contribution of CTX to tumor cell death.
Source: Molecular Imaging and Biology - September 26, 2014 Category: Molecular Biology Source Type: research