Results 121 to 130 of about 115,317,412 (280)

Salvianolic Acid a Disrupts the HSP90α‐AKT‐PERK Ternary Complex to Alleviate Atherosclerosis by Activating Endoplasmic Reticulum Stress of Senescent Vascular Smooth Muscle Cells

Advanced Science, EarlyView.
Salvianolic acid A (SAA) selectively induces senescent vascular smooth muscle cell apoptosis, alleviating atherosclerosis. Mechanistically, SAA targets heat shock protein 90 alpha (HSP90α) to disrupt the protein inase B (AKT)‐PRKR‐Like Endoplasmic Reticulum Kinase (PERK) scaffold, driving ubiquitin‐proteasome‐dependent AKT degradation.
Xiuya Guan, Mengkai Lu, Xinhai Cui, Dawei Zhang, Lei Zhang, Lin Lin, Yuan Li, Yuanlong Hu, Chao Li   +8 more
wiley   +1 more source

Continuous Molecular Monitoring Using Electrochemical Aptamer‐Based Sensors: Remaining Challenges for Long‐Term In Vivo Deployment

Advanced Science, EarlyView.
Continuous molecular monitoring using electrochemical aptamer‐based sensors enables real‐time tracking of dynamic biomarkers with transformative potential for precision medicine. Achieving clinically relevant month‐long stability remains a central challenge due to multiple degradation pathways.
Shibo Liu, Xiangling Li, Wei Ouyang
wiley   +1 more source

Stabilizing Functional Nucleic Acids for Real‐Sample Diagnostics

Angewandte Chemie, EarlyView.
Functional nucleic acids enable programmable real‐sample diagnostics, but often lose function in complex biological matrices. This review highlights four stabilization levers—chemical, topological, architectural, and microenvironment/interface engineering—that preserve aptamer and DNAzyme performance in saliva, serum, urine, and stool, reframing ...
Soyeon Lee, Letizia Dondi, Amal Mathai, Connor Nurmi, Yingfu Li   +4 more
wiley   +2 more sources

Engineered Allosteric Biosensor for In Situ DNA Glycosylase Detection in Neuroblastoma Risk Stratification and Drug Resistance Monitoring

Advanced Science, EarlyView.
An engineered allosteric biosensor (UUU‐DZ‐tFNA) was developed, in which UDG specifically recognizes and activates a DNAzyme to achieve signal cycle amplification in a sequentially activatable mode. UUU‐DZ‐tFNA achieves in situ UDG detection across multiple biological levels and facilitates risk stratification and drug resistance monitoring of NB ...
Yaqing Lu, Yingyu Zhang, Xianwei Zhang, Mengxin Zhang, Fei Zhang, Jushan Sun, Yahui Yang, Kangbo Liu, Peng Wang, Shuying Luo, Wancun Zhang   +10 more
wiley   +1 more source

Single‐Stranded Interruptions in the T7 Promoter Non‐Template Strand Exhibit Unexpected Transcription Behavior

Angewandte Chemie, EarlyView.
DNA structures with short single‐strand gaps in the non‐template strand of the T7 promoter prevent transcription by T7 RNA polymerase. Contrary to intuition, however, transcriptional activity can be observed again when the size of the gap increases toward the transcription start site, thereby reducing the proportion of double‐stranded DNA in the ...
Michael W. Haydell, Viktoria Steuper, Michael Famulok   +2 more
wiley   +2 more sources

Hydrogel Phase Transition‐Driven Soft Gating Circumvents Debye Screening for Advanced Biosensing

Advanced Science, EarlyView.
A 3D soft gate utilizes a macroscopic hydrogel phase transition to effectively circumvent Debye screening in high‐salt environments. The intact matrix maximizes transmembrane ion flux via volumetric Donnan enrichment and superhydrophilicity. Target‐triggered network disassembly abolishes these effects, introducing a synergistic physical barrier.
Liu Shi, Zimeng Zhang, Bingheng Li, Yalei Gao, Ruirui Zhang, Zheying Mu, Jian Ni, Bing Bo, Genxi Li   +8 more
wiley   +1 more source

Optimizing Cellular Network Binary Rate and Fairness: Examination of a Two-Tier Hybrid Duplex Architecture Employing Full-Duplex and Half-Duplex Modes

IEEE Access
Full-duplex HCNs have emerged as a compelling solution to meet the escalating traffic demands of future fifth-generation networks. Theoretical advantages of full-duplex cellular networks include the potential for doubling throughput compared to half ...
Muhammad Mujtaba Shaikh, Safia Amir Dahri, Khursheed Aurangzeb, Muhammad Afzal Soomro, Musaed Alhussein, Bharat Bhushan   +5 more
doaj   +1 more source

The Cytoplasmic MicroRNA‐Production Complex Regulates MicroRNA Sorting to Extracellular Vesicles During Synaptogenesis

Advanced Science, EarlyView.
The mechanisms of microRNA cargo sorting to extracellular vesicles, important mediators of cell communication, are not fully understood. This study reveals that the microRNA‐production machinery acts as a ‘hub’ for the sorting of microRNAs to extracellular vesicles, a process regulated by dynamic organelle interactions.
Yuzhou Zeng, Selina Luhmann, Aditi Saha, Marta Orlando, Haider Sami, Timo Glatter, Anna Antoniou   +6 more
wiley   +1 more source

Accessibility and Alignment of Trans‐Cleavage Substrates Modulate the Kinetics of Cas12a Ribonucleoprotein

Angewandte Chemie, EarlyView.
Two key binding events that collectively determine the catalytic efficiency of trans‐cleavage: (1) the substrate passing through the gap between the REC and NUC domains, determined by Kpass, and (2) the alignment of the substrate with the catalytic triad of the ribonucleoprotein, determined by Kalign.
Jianyu Hu, Wei Feng, Hongquan Zhang, X. Chris Le   +3 more
wiley   +2 more sources

Low‐Density Lipoprotein Receptor‐Targeted Biomimetic Nanoplatform Suppresses Glioblastoma Stemness and Remodels Antitumor Immunity via Dual Metabolic Disruption

Advanced Science, EarlyView.
A low‐density lipoprotein receptor‐oriented biomimetic nanoplatform couples brain‐tumor delivery with a mechanistically matched regorafenib‐erythrodiol combination. Concurrent disruption of autophagic nutrient salvage and cholesterol homeostasis collapses bioenergetic and signaling support, suppresses glioblastoma stemness, and promotes immunogenic ...
Yining Jiang, Wenzhuo Yang, Wenting Cheng, Jing Zuo, Lin Pan, Sheng Zhong, Ren Geng, Yao Zhao, Zijian Chen, Canhua Huang, Yang Bai, Liyan Zhao, Yunqian Li   +12 more
wiley   +1 more source