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https://www.readbyqxmd.com/read/27778512/multifunctional-gold-nanoclusters-based-nanosurface-energy-transfer-probe-for-real-time-monitoring-of-cell-apoptosis-and-self-evaluating-of-pro-apoptotic-theranostics
#1
Yong Li, Pei Li, Rong Zhu, Chao Luo, Hao Li, Shanfang Hu, Zhou Nie, Yan Huang, Shouzhuo Yao
Bio-imaging probes for accurately monitoring apoptosis process have extensive significance for cell biological studies and clinical investigations. Herein, a novel multi-functional peptide-tailored gold nanoclusters (AuNCs) has been developed for real-time imaging of caspase-indicated cell apoptosis. The AuNCs nanoprobe was facilely prepared by a one-step peptide-mediated biomineralization with the dye (TRAMA)-tagged peptides specific to caspase 3 as both template agents and the signal switch. Unlike conventional FRET-based fluorescent probes of caspase activity, these nanoprobes relied on the unique quenching effect of AuNCs through the nanosurface energy transfer (NSET) from dye to AuNCs...
October 25, 2016: Analytical Chemistry
https://www.readbyqxmd.com/read/20195489/activation-of-p73-and-induction-of-noxa-by-dna-damage-requires-nf-kappa-b
#2
Angel G Martin, Jason Trama, Diane Crighton, Kevin M Ryan, Howard O Fearnhead
Although the transcription factor NF-kappaB is most clearly linked to the inhibition of extrinsic apoptotic signals such as TNFalpha by upregulating known anti-apoptotic genes, NF-kappaB has also been proposed to be required for p53-induced apoptosis in transformed cells. However, the involvement of NF-kappaB in this process is poorly understood. Here we investigate this mechanism and show that in transformed MEFs lacking NF-kappaB (p65-null cells) genotoxin-induced cytochrome c release is compromised. To further address how NF-kappaB contributes to apoptosis, gene profiling by microarray analysis of MEFs was performed, revealing that NF-kappaB is required for expression of Noxa, a pro-apoptotic BH3-only protein that is induced by genotoxins and that triggers cytochrome c release...
March 2009: Aging
https://www.readbyqxmd.com/read/19797937/clinical-equivalence-of-controlled-release-oxycodone-20-mg-and-controlled-release-tramadol-200-mg-after-surgery-for-breast-cancer
#3
RANDOMIZED CONTROLLED TRIAL
Sandra Kampe, Karsten Wolter, Mathias Warm, Oguzhan Dagtekin, Sasan Shaheen, Susanne Landwehr
AIMS: To assess clinical equivalence of 20 mg controlled-release oxycodone (Oxygesic; Mundipharma, Limburg, Germany) and 200 mg controlled-release tramadol (Tramal long; Grunenthal, Aachen, Germany) on a 12-hour dosing schedule in a randomized, double-blinded study of 54 ASA I-III physical status (American Society of Anesthesiologists classification of physical status) patients undergoing surgery for breast cancer. METHODS: General anesthesia using remifentanil and propofol was performed for surgery...
2009: Pharmacology
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