Results 21 to 30 of about 329,629 (202)

Ice, Ice, Maybe? Investigating 46P/Wirtanen’s Inner Coma for Icy Grains

The Planetary Science Journal, 2023
The release of volatiles from comets is usually from direct sublimation of ices on the nucleus, but for very or hyperactive comets other sources have to be considered to account for the total production rates.
Theodore Kareta, John W. Noonan, Walter M. Harris, Alessondra Springmann   +3 more
doaj   +1 more source

Assessment of protein and DNA polymorphisms in corn (Zea mays) under the effect of non-ionizing electromagnetic radiation

Caryologia, 2023
Many reports highlight biological responses of crop plants after non-ionizing electromagnetic radiation (EMR) exposure based on the phenotypic and physiological levels.
Ekram Abdelhaliem, Hanan M. Abdalla, Ahmed A. Bolbol, Rania S. Shehata   +3 more
doaj   +1 more source

Abstracts of the 12th International Comet Assay Workshop held at the University of Navarra, Pamplona, Spain, 29–31 August 2017 (https://icaw.vito.be/) [PDF]

, 2017
Genotoxicity evaluation is a valuable tool for studying the most important occupational hazards allowing a reasonable epidemiological evaluation of potential health effects.
Morais, Simone, Teixeira, João Paulo Fernandes, Fernandes, Adília, Costa, Solange, Teixeira-Gomes, Armanda, Silva, Susana, Pereira, Maria do Carmo, Abreu, Ana M., Bonetta, Sa, Gianfredi Vincenza, Moretti Massimo, Posadino S, Gea, M., Bonetta, Sa., Villarini Milena, Monarca Silvano, Vannini Samuele, Schilirò, T., Fatigoni C, Bonetta, Si, Maurino, V., Gilli, G., Azara Antonio   +22 more
core   +1 more source

Sublimation of H2O Molecules from Interstellar and Dynamically New Comets: Case Study of 3I/ATLAS

The Astrophysical Journal
Comets are often characterized by their production of H _2 O molecules, whose quantity is further used to constrain the fraction of active area of their nuclei. The latter retrieval is based on a theory developed half century ago.
Evgenij Zubko, Gorden Videen, Sungsoo S. Kim   +2 more
doaj   +1 more source

An Optimized Freeze‐Dry Multimodal Workflow for Sequential Micro‐CT Imaging, Histology, and Molecular Profiling: A Use Case in Human Liver Fibrosis

Advanced Science, EarlyView.
Optimized freeze‐drying and eosin staining deliver artifact‐free micro‐CT images of liver tissue at near‐histological detail, then hand the same specimen back for sectioning, staining, and sequencing. Fibrotic volume distinguishes normal liver from cirrhosis, while preserved RNA reveals inflammatory gene upregulation—one biopsy, three dimensions, and a
Kristijan Skok, Laura Činč Ćurić, Jernej Vajda, Silvia Schauer, Martin Wagner, Rudolf Stauber, Carolin Lackner, Karl Kashofer, Markus Plass, Giovanny Rodriguez Blanco, Ian R. Wanless, Uroš Maver, Katrin Panzitt, Boštjan Vihar   +13 more
wiley   +1 more source

Macrophage RSAD2 Couples mtDNA Synthesis With a Self‐Amplifying Inflammatory Circuit to Orchestrate Tissue Repair

Advanced Science, EarlyView.
Macrophage RSAD2 dually regulates CMPK2—the rate‐limiting enzyme for mitochondrial DNA synthesis—by suppressing its ubiquitination and promoting its phosphorylation via Csnk2a2 recruitment. This amplifies mtDNA production, which simultaneously activates a cGAS‐STING‐IRF3‐RSAD2 feedforward loop and the NLRP3 inflammasome, driving a self‐sustaining ...
Haomiao Yuan, Shukui Du, Chunfei Li, Xinjie Li, Shuyang Mu, Anran Qu, Hengxu Yan, Chongchong Xu, Jinnong Yang, Jingkai Sun, Yijun Wang, Jiayang Xiao, Fuyuan Zhang, Linlin Wang, Tiegang Li, Rui Zhao, Dawei Guan   +16 more
wiley   +1 more source

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

Parent Volatile Outgassing Associations in Cometary Nuclei: Synthesizing Rosetta Measurements and Ground-based Observations

The Planetary Science Journal
Comets, as remnants of the solar system’s formation, vary in volatile-refractory content. In situ comet studies, such as the Rosetta mission to 67P/Churyumov–Gerasimenko, provide detailed volatile composition insights, while ground-based studies offer ...
Mohammad Saki, Dennis Bodewits, Boncho P. Bonev, Neil Dello Russo, Adrienn Luspay-Kuti, John W. Noonan, Michael. R. Combi, Yinsi Shou   +7 more
doaj   +1 more source

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

Nuclear Spectra of Comet 162P/Siding Spring (2004 TU12) [PDF]

, 2006
We present visible and near-IR spectra of the nucleus of comet 162P/Siding Spring (also known as 2004 TU12) obtained in 2004 December, while it had no detectable coma.
Ziffer, Julie, PhD, Binzel, Richard P, PhD, Campins, Humberto, PhD, Licandro, Javier, Mothé-Diniz, Thais, PhD, Pinilla-Alonso, Noemí, PhD, Fernández, Yanga R, PhD, de León, Julia, PhD   +7 more
core   +3 more sources