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Controlled Inflammation Drives Neutrophil-Mediated Precision Drug Delivery in Heterogeneous Tumors.
Adv Sci (Weinh)
January 2025
Department of Radiology, The Second Hospital of Tianjin Medical University, Tianjin, 300211, P. R. China.
Tumor heterogeneity remains a formidable obstacle in targeted cancer therapy, often leading to suboptimal treatment outcomes. This study presents an innovative approach that harnesses controlled inflammation to guide neutrophil-mediated drug delivery, effectively overcoming the limitations imposed by tumor heterogeneity. By inducing localized inflammation within tumors using lipopolysaccharide, it significantly amplify the recruitment of drug-laden neutrophils to tumor sites, irrespective of specific tumor markers.
View Article and Find Full Text PDFAmplification-Free Attomolar Detection of Short Nucleic Acids with Upconversion Luminescence: Eliminating Nonspecific Binding by Hybridization Complex Transfer.
Anal Chem
January 2025
Department of Life Technologies/Biotechnology, Faculty of Technology, University of Turku, Kiinamyllynkatu 10, 20520 Turku, Finland.
The anti-Stokes emission of photon upconversion nanoparticles (UCNPs) facilitates their use as labels for ultrasensitive detection in biological samples as infrared excitation does not induce autofluorescence at visible wavelengths. The detection of extremely low-abundance analytes, however, remains challenging as it is impossible to completely avoid nonspecific binding of label conjugates. To overcome this limitation, we developed a novel hybridization complex transfer technique using UCNP labels to detect short nucleic acids directly without target amplification.
View Article and Find Full Text PDFComparative Analysis of Acquired Resistance to Bortezomib in Prostate Cancer Cells Using Proteomic and Bioinformatic Tools.
J Cell Mol Med
January 2025
Department of Medical Biology, Faculty of Medicine, Kutahya Health Sciences University, Kutahya, Turkey.
Chemotherapy is a potent tool against cancer, but drug resistance remains a major obstacle. To combat this, understanding the molecular mechanisms behind resistance in cancer cells and the protein expression changes driving these mechanisms is crucial. Targeting the Ubiquitin-Proteasome System (UPS) has proven effective in treating multiple myeloma and shows promise for solid tumours.
View Article and Find Full Text PDFAssessment of the proficiency level of novices in distal intramedullary nail interlocking achieved through training with Digitally Enhanced Hands-on Surgical Training (DEHST).
Eur J Trauma Emerg Surg
January 2025
AO Research Institute Davos, Davos, Switzerland.
Background: Digitally Enhanced Hands-on Surgical Training (DEHST) platform was introduced to overcome the lack of training capabilities for the challenging task of freehand distal interlocking of intramedullary nails. It demonstrates high perceived realism for surgeons, and novices perform significantly better after DEHST training. However, characterization of how performance improves remained unexplored.
View Article and Find Full Text PDFThe regulatory role of integrin in gastric cancer tumor microenvironment and drug resistance.
Prog Biophys Mol Biol
January 2025
Center for Cancer Prevention and Treatment, Second Hospital of Shandong University, Jinan, Shandong, China. Electronic address:
Gastric cancer (GC) remains a significant global health burden due to its high aggressiveness, early metastasis, and poor prognosis. Despite advances in chemotherapy and targeted therapies, drug resistance remains a major obstacle to improving patient outcomes. Integrins, a family of transmembrane receptors, play a pivotal role in mediating tumor growth, invasion, and drug resistance by interacting with the tumor microenvironment (TME) and regulating signaling pathways such as Wnt/β-catenin, FAK, and MAPK.
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