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Target-switchable nanoprobe based on BRD4 inhibition for induction and dynamic visualization of the mitochondrial apoptotic pathway.
Biosens Bioelectron
January 2025
School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, China. Electronic address:
The exploration of the mitochondrial apoptotic pathway in living cells is of great significance for achieving tumor diagnosis and treatment. However, visualization of the mitochondrial apoptotic pathway induced by specific proteins has rarely been reported. In this paper, we designed and synthesized a fluorescent probe Cy-JQ1 based on the bromodomain-containing protein 4 (BRD4) inhibition.
View Article and Find Full Text PDFEffects of Silk Fibroin Hydrogel Degradation on the Proliferation and Chondrogenesis of Encapsulated Stem Cells.
Biomacromolecules
January 2025
State Key Laboratory of Advanced Fiber Materials, College of Materials Science and Engineering, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, Donghua University, Shanghai 201620, P. R. China.
Silk fibroin (SF) hydrogels are widely used in three-dimensional (3D) cell culture and tissue repair. Despite their importance, few studies have focused on regulating their degradation and further revealing the effects of the degradation process on encapsulated cell behaviors. Herein, SF hydrogels with equivalent initial properties and different degradation rates were prepared by adjusting the ratios between the hydrogel-encapsulated normal SF microspheres (MS) and enzyme-loaded SF microspheres (MS).
View Article and Find Full Text PDFBistable Functions and Signaling Motifs in Systems Chemistry: Taking the Next Step Toward Synthetic Cells.
Acc Chem Res
January 2025
Department of Chemistry, Ben-Gurion University of the Negev, Be'er Sheva 84105, Israel.
ConspectusA key challenge in modern chemistry research is to mimic life-like functions using simple molecular networks and the integration of such networks into the first functional artificial cell. Central to this endeavor is the development of signaling elements that can regulate the cell function in time and space by producing entities of code with specific information to induce downstream activity. Such artificial signaling motifs can emerge in nonequilibrium systems, exhibiting complex dynamic behavior like bistability, multistability, oscillations, and chaos.
View Article and Find Full Text PDFDevelopment of a novel multi-epitope mRNA vaccine candidate to combat SFTSV pandemic.
PLoS Negl Trop Dis
January 2025
Department of Respiratory Medicine, National Key Clinical Specialty, Branch of National Clinical Research Center for Respiratory Disease, Xiangya Hospital, Central South University, Changsha, China.
Severe Fever with Thrombocytopenia Syndrome virus (SFTSV) is a novel identified pathogen, despite two decades of research on SFTSV, the potential widespread threats pose a significant challenge for researchers in developing new treatment and prevention methods. In this present, we have developed a multi-epitope mRNA vaccine for SFTSV and valid it with in silico methods. We screened 9 immunodominant epitopes for cytotoxic T cells (CTL), 7 for helper T cells (HTL), and 8 for Linear B-cell (LBL) based on promising candidate protein Gn, Gc, Np, and NSs.
View Article and Find Full Text PDFThe Cul3 ubiquitin ligase engages Insomniac as an adaptor to impact sleep and synaptic homeostasis.
PLoS Genet
January 2025
Waksman Institute, Rutgers University, Piscataway, New Jersey, United States of America.
Mutations of the Cullin-3 (Cul3) E3 ubiquitin ligase are associated with autism and schizophrenia, neurological disorders characterized by sleep disturbances and altered synaptic function. Cul3 engages dozens of adaptor proteins to recruit hundreds of substrates for ubiquitination, but the adaptors that impact sleep and synapses remain ill-defined. Here we implicate Insomniac (Inc), a conserved protein required for normal sleep and synaptic homeostasis in Drosophila, as a Cul3 adaptor.
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