Results 71 to 80 of about 2,076,410 (301)

Regulation of the lncRNA NEAT1 by p53‐ΔNp63 crosstalk modulates the DNA damage response and therapeutic efficacy in HNSCC

open access: yesMolecular Oncology, EarlyView.
In head and neck squamous cell carcinoma (HNSCC) p53 and p63 exert opposite roles on the transcription regulation of the lncRNA NEAT1. Under basal conditions, p53 levels are low and p63 represses NEAT1 expression. Upon genotoxic stress, p53 is rapidly induced, displacing p63 from the NEAT1 promoter leading to NEAT1 transcriptional activation and ...
Sara De Domenico   +5 more
wiley   +1 more source

Impact of Nanoclay on the pH-Responsiveness and Biodegradable Behavior of Biopolymer-Based Nanocomposite Hydrogels

open access: yesGels, 2019
This research work deployed free radical polymerization for the development of pH-responsive hybrid nanocomposite hydrogels (NCHs) with the formation of improved interpenetrating networks (IPN).
Arti Vashist   +6 more
doaj   +1 more source

Bicomponent polymeric micelles for pH-controlled delivery of doxorubicin

open access: yesDrug Delivery, 2020
Stimuli-responsive drug delivery systems (DDSs) are expected to realize site-specific drug release and kill cancer cells selectively. In this study, a pH-responsive micelle was designed utilizing the pH-sensitivity of borate bonds formed between dopamine
Chunyun Wang   +9 more
doaj   +1 more source

p190A/ARHGAP35 and p190B/ARHGAP5 proteins in endometrial cancer: a novel cancer‐relevant paralog interplay

open access: yesMolecular Oncology, EarlyView.
This study identifies ARHGAP5, in addition to the frequently mutated ARHGAP35, as significantly mutated in endometrial cancer. Mutations in both genes co‐occur and are associated with their correlated downregulation. Functional CRISPR studies show that both paralogs regulate similar pathways, including actin cytoskeleton organization.
Mathilde Pinault   +12 more
wiley   +1 more source

Lipase-modified pH-responsive microgel-based optical device for triglyceride sensing [PDF]

open access: yes, 2015
Lipase-modified pH-responsive poly(N-isopropylacrylamide)-based microgels were synthesized. An optical device was subsequently fabricated by sandwiching the enzyme loaded responsive microgels between two thin Au layers, and their response to triolein, a ...
Zhang, Qiang M.   +3 more
core   +1 more source

Single‐molecule DNA flow‐stretch assays for high‐throughput DNA–protein interaction studies

open access: yesFEBS Open Bio, EarlyView.
We describe an optimised single‐molecule DNA flow‐stretch assay that visualises DNA–protein interactions in real time. Linear DNA fragments are tethered to a surface and stretched by buffer flow for fluorescence imaging. Using λ and φX174 DNA, this protocol enhances reproducibility and accessibility, providing a versatile approach for studying diverse ...
Ayush Kumar Ganguli   +8 more
wiley   +1 more source

Novel T7-Modified pH-Responsive Targeted Nanosystem for Co-Delivery of Docetaxel and Curcumin in the Treatment of Esophageal Cancer

open access: yesInternational Journal of Nanomedicine, 2020
Lian Deng,1,* Xiongjie Zhu,1,* Zhongjian Yu,1 Ying Li,1 Lingyu Qin,1 Zhile Liu,1 Longbao Feng,2 Rui Guo,2 Yanfang Zheng1 1Department of Oncology, Zhujiang Hospital of Southern Medical University, Guangzhou 510282, China; 2Key Laboratory of Biomaterials ...
Deng L   +8 more
doaj  

Multifunctional folate receptor-targeting and pH-responsive nanocarriers loaded with methotrexate for treatment of rheumatoid arthritis

open access: yes, 2017
Jinlong Zhao,1 Menghui Zhao,1 Changhui Yu,1 Xueyan Zhang,1 Jiaxin Liu,1 Xinwei Cheng,2 Robert J Lee,1,2 Fengying Sun,1 Lesheng Teng,1 Youxin Li1 1School of Life Sciences, Jilin University, Changchun, China; 2College of Pharmacy, Ohio State University ...
Zhao M   +9 more
core  

UiO‐66 metal–organic frameworks in biomedicine: From structural tunability to bioimaging, photodiagnostics, and photodynamic cancer therapy

open access: yesFEBS Open Bio, EarlyView.
UiO‐66(Zr) metal–organic frameworks are chemically stable, biocompatible, and highly tunable nanomaterials. Their modular structure enables controlled drug delivery, multimodal bioimaging, and light‐activated photodynamic therapy, supporting integrated diagnostic and therapeutic (theranostic) applications in cancer and biomedical research.
Veronika Huntošová   +2 more
wiley   +1 more source

Stepwise pH-responsive nanoparticles for enhanced cellular uptake and on-demand intracellular release of doxorubicin

open access: yes, 2017
Wei-liang Chen,1 Fang Li,1 Yan Tang,1 Shu-di Yang,1 Ji-zhao Li,1 Zhi-qiang Yuan,1 Yang Liu,1 Xiao-feng Zhou,2 Chun Liu,3 Xue-nong Zhang1 1Department of Pharmaceutics, College of Pharmaceutical Sciences, Soochow University, Suzhou, 2Department of ...
Zhou XF   +9 more
core  

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