Results 71 to 80 of about 889,387 (243)

The Effect of Obstructive Sleep Apnea on DNA Damage and Oxidative Stress [PDF]

Clinical and Experimental Otorhinolaryngology, 2013
ObjectivesObstructive sleep apnea syndrome (OSAS) is associated with repeated hypoxia and re-oxygenation. This characteristic of OSAS may cause oxidative stress and DNA damage.
Il Gyu Kang, Joo Hyun Jung, Seon Tae Kim
doaj   +1 more source

Epigenetic Reactivation of TNFRSF19 Suppresses Mitophagy and Sensitizes Triple‐Negative Breast Cancer to Doxorubicin

Advanced Science, EarlyView.
TNFRSF19 is an epigenetically silenced regulator of mitophagy in triple‐negative breast cancer. TNFRSF19 deficiency activates the TGFBR1–SMAD3–PINK1 axis to promote mitophagy and confer doxorubicin resistance, whereas decitabine‐mediated restoration of TNFRSF19 suppresses mitophagy and enhances doxorubicin sensitivity, revealing a targetable epigenetic–
Shiyang Liu, Chenguang Liu, Weihong Zheng, Xiaofei Tong, Zhengwei Gui, Zonghong Lu, Sun Ieong, Lin Zhang   +7 more
wiley   +1 more source

The comet assay: topical issues [PDF]

Mutagenesis, 2008
The comet assay is a versatile and sensitive method for measuring single- and double-strand breaks in DNA. The mechanism of formation of comets (under neutral or alkaline conditions) is best understood by analogy with nucleoids, in which relaxation of DNA supercoiling in a structural loop of DNA by a single DNA break releases that loop to extend into a
A. R. Collins, A. A. Oscoz, G. Brunborg, I. Gaivão, GIOVANNELLI, LISA, M. Kruszewski, C. C. Smith, R. Štetina   +7 more
openaire   +4 more sources

Targeting LDHA Palmitoylation Sensitizes GBM to Chemoradiotherapy via Suppressing Palmitic Acid Induced Glycolytic Reprogramming

Advanced Science, EarlyView.
Mesenchymal GSCs preferentially uptake palmitic acid, thereby promoting ZDHHC12‐mediated LDHA palmitoylation. This modification enhances LDHA enzymatic activity, drives glycolytic reprogramming, and facilitates exosomal LDHA‐mediated TAM regulation.
Zijie Gao, Rongrong Zhao, Zheyuan Chen, Qingtong Wang, Huanyu Yang, Boyan Li, Yanhua Qi, Shulin Zhao, Jixing Zhao, Jiawei Qiu, Ziwen Pan, Zhe Han, Ruochuan Li, Huize Xia, Weijie Tang, Xing Guo, Ping Zhang, Hongyu Zhao, Xu Qian, Gang Li, Hao Xue   +20 more
wiley   +1 more source

Balıklarda Tek Hücre Jel Elektroforezi (Comet Assay)

Karadeniz Fen Bilimleri Dergisi, 2013
Comet assay, DNA parçalarının elektrik akımı doğrultusunda hücreden çıkarak ilerlemesi (kuyruk oluşturması) ilkesine dayanır. Çevre kirliliği veya genotoksik ajanlara maruz kalan organizmaların hücrelerinde bulunan genetik materyal bu maruziyetten ...
Utku Güner, Fulya Dilek GÖKALP MURANLI   +1 more
doaj  

Synthetic Shewanella‐Bacillus Microbial Consortia for Enhanced Metal Oxide Leaching From Spent Lithium‐Ion Batteries Using Brewing Wastewater as Leaching Agent

Advanced Science, EarlyView.
A recycling approach of spent lithium‐ion batteries is developed using brewing wastewater as the leaching agent and an engineering microbial consortium as the biocatalyst. Shewanella oneidensis reduces spent LiNixCoyMn1‐x‐yO2 cathodes via extracellular electron transfer, while Bacillus subtilis removes residual ethanol to eliminate inhibition.
Baocai Zhang, Chunxiao Qiao, Huichun Liu, Yiyun Wang, Yan Liu, Huan Yu, Junqi Zhang, Chao Li, Deguang Wu, Qulai Tang, Zhiwen Wang, Danni Zhang, Dake Xu, Feng Li, Hao Song   +14 more
wiley   +1 more source

Genotoxic Effects of Etoposide, Bleomycin, and Ethyl Methanesulfonate on Cultured CHO Cells: Analysis by GC-MS/MS and Comet Assay

Journal of Nucleic Acids, 2020
To evaluate methods for analysis of genotoxic effects on mammalian cell lines, we tested the effect of three common genotoxic agents on Chinese hamster ovary (CHO) cells by single-cell gel electrophoresis (comet assay) and gas chromatography-tandem mass ...
Donald H. Atha, Erdem Coskun, Onur Erdem, Alessandro Tona, Vytas Reipa, Bryant C. Nelson   +5 more
doaj   +1 more source

A New Version of Comet Assay [PDF]

Sovremennye tehnologii v medicine, 2016
The aim of the investigation was to assess the availability of ozone to induce DNA damage in individual cells when analyzing them using the Comet assay. Materials and Methods. Experimental studies were performed on whole blood leukocytes of white non-linear intact male rats (n=16) weighing 250±25 g.
I.A. Chernigina, T.G. Shcherbatyuk
openaire   +2 more sources

DDX21 Enhances Radiosensitivity in Head and Neck Squamous Cell Carcinoma by Suppressing MK2‐Mediated DNA Damage Response

Advanced Science, EarlyView.
DDX21 suppresses MK2 activation by directly inhibiting Thr334 phosphorylation in a p38‐independent manner, thereby impairing DNA damage response. Clinically, patients with well‐differentiated tumors exhibiting high DDX21 expression are more likely to benefit from adjuvant radiotherapy, whereas those with low DDX21 levels are predisposed to ...
Tianru Yang, Ting Shen, Yanfang Qiu, Wei Zhang, Ziran Zheng, Jiayi Sun, Yuedi Yao, Mianfeng Yao, Jiang Li   +8 more
wiley   +1 more source

Chapter 9:The Comet Assay: Clinical Applications

, 2017
The single-cell gel electrophoresis (SCGE) or Comet assay is a technique widely employed in environmental and radiation toxicology as well as in cancer research with the aim of assessing DNA damage and repair by measuring DNA strand breaks.
Kontogianni, Nadia, Piperakis, S. M., Piperakis, M. M.   +2 more
core   +2 more sources