This review provides both a biological and clinical perspective on Time-Dependent Sensitization (TDS), an ancient amplified memory response to threat manifest in the ability of both drugs and nondrug stressors to induce neuronal and behavioral effects which strengthen entirely as a function of the passage of time following even a single or acute exposure. Evidence is presented to show that TDS may be involved in the development of a spectrum of diseases and how drug regimens based on the principles of TDS could provide a novel and revolutionary means of treating psychiatric and other illnesses.
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http://dx.doi.org/10.1038/sj.mp.4000721 | DOI Listing |
Neuro Oncol
December 2024
Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, Hunan, China.
Background: Selinexor is a selective inhibitor of exportin-1 (XPO1), a key mediator of the nucleocytoplasmic transport for molecules critical to tumor cell survival. Selinexor's lethality is generally associated with the induction of apoptosis, and in some cases, with autophagy-induced apoptosis. We performed this study to determine Selinexor's action in glioblastoma (GBM) cells, which are notoriously resistant to apoptosis.
View Article and Find Full Text PDFZhongguo Zhong Yao Za Zhi
October 2024
Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy(China Three Gorges University) Yichang 443002, China Department of Pathology, College of Basic Medical Science, China Three Gorges University Yichang 443002,China Research Center of Basic and Clinical Pathology, China Three Gorges University Yichang 443002, China.
This research investigated the effect and mechanism of trichosanthin(TCS) in inducing autophagy and apoptosis of HeLa cells in cervical cancer. Two-step chromatography was used to prepare TCS. MTT assay was used to detect the inhibition effect of TCS on the proliferation of HeLa cells.
View Article and Find Full Text PDFSpectrochim Acta A Mol Biomol Spectrosc
December 2024
Department of Chemistry, Faculty of Science, Al-Azhar University, Nasr City, Cairo 11884, Egypt. Electronic address:
The quick and precise estimation of D-π-A Organic Dye absorption maxima in different solvents is an important challenge for the efficient design of novel chemical structures that could improve the performance of dye-sensitized solar cells (DSSCs) and related technologies. Time-Dependent Density Functional Theory (TD-DFT) has often been employed for these predictions, but it has limitations, including high computing costs and functional dependence, particularly for solvent interactions. In this study, we introduce a high-accuracy and rapid deep-learning ensemble method using daylight fingerprints as chemical descriptors to predict the absorption maxima (λ) of D-π-A organic dyes in 18 different solvent environments.
View Article and Find Full Text PDFA series of new ligands has been prepared that incorporate electron-poor aromatic moieties (dpqMe and dpqPh chromophores) into tetraazacyclododecane or triazacyclononane based complex structures, and the time-dependent photophysical properties of their Eu(iii) and Tb(iii) complexes evaluated for the selective and rapid ratiometric analysis of urate in diluted serum solution, together with mechanistic studies probing the nature of the intermediate exciplex and the excited state dynamics using transient absorption spectroscopy.
View Article and Find Full Text PDFPhys Chem Chem Phys
December 2024
Computational and Theoretical Chemistry Group, Department of Chemistry & Centre for Advanced Studies in Chemistry, Panjab University, Chandigarh-160014, India.
This work presents a systematic investigation of porphyrin sensitizers for application in dye-sensitized solar cells (DSSCs). Density functional theory calculations, including both static and time-dependent methods, were employed to evaluate a series of candidate dyes for their potential to achieve high power conversion efficiency. The well-established SM315 dye, known for its record-breaking PCE of 13%, was adopted as a reference point.
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