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Advances in lysosomal escape mechanisms for gynecological cancer nano-therapeutics.
J Pharm Anal
December 2024
Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, 117004, China.
Gynecological cancers present significant treatment challenges due to drug resistance and adverse side effects. This review explores advancements in lysosomal escape mechanisms, essential for enhancing nano-therapeutic efficacy. Strategies such as pH-sensitive linkers and membrane fusion are examined, showcasing their potential to improve therapeutic outcomes in ovarian, cervical, and uterine cancers.
View Article and Find Full Text PDFGold nanorod-based engineered nanogels for cascade-amplifying photothermo-enzymatic synergistic therapy.
J Pharm Anal
December 2024
School of Chemical Science and Engineering, Tongji University, Shanghai, 200092, China.
Reactive oxygen species (ROS)-mediated anticancer modalities, which disturb the redox balance of cancer cells through multi-pathway simulations, hold great promise for effective cancer management. Among these, cooperative physical and biochemical activation strategies have attracted increasing attention because of their spatiotemporal controllability, low toxicity, and high therapeutic efficacy. Herein, we demonstrate a nanogel complex as a multilevel ROS-producing system by integrating chloroperoxidase (CPO) into gold nanorod (AuNR)-based nanogels (ANGs) for cascade-amplifying photothermal-enzymatic synergistic tumor therapy.
View Article and Find Full Text PDFSmart and Noninvasive SERS Immunosensors for Monitoring Dynamic Expression of Cytokines during Cell Pyroptosis.
Anal Chem
January 2025
Guangdong Key Laboratory of Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen University, Shenzhen 518060, PR China.
Accompanying the occurrence of inflammatory reaction to release cytokines, pyroptosis can activate an immune response for resistance against cancer. Consequently, elevated levels of cytokines released by cancer cells are highly correlated with the effectiveness of cancer treatment. Herein, a noninvasive surface-enhanced Raman spectroscopy (SERS) immunosensor was developed to sensitively and specifically measure the tumor necrosis factor-α (TNF-α), a proinflammatory cytokine, during the cell pyroptosis process.
View Article and Find Full Text PDFQuantitative Site-Specific Glycoproteomics Reveals Glyco-Signatures for Breast Cancer Diagnosis.
Anal Chem
January 2025
Department of Chemistry, and Minhang Hospital, Fudan University, Shanghai 200000, China.
Intact glycopeptide characterization by mass spectrometry has proven to be a versatile tool for site-specific glycoproteomics analysis and biomarker screening. Here, we present a method using a new model of a Q-TOF instrument equipped with a Zeno trap for intact glycopeptide identification and demonstrate its ability to analyze large-cohort glycoproteomes. From 124 clinical serum samples of breast cancer, noncancerous diseases, and nondisease controls, a total of 6901 unique site-specific glycans on 807 glycosites of proteins were detected.
View Article and Find Full Text PDFSimultaneous Detection of Hydrogen Sulfide and Peroxynitrite Dysregulation with a Sequentially Activated Fluorescent Probe in Ulcerative Colitis Disease.
Anal Chem
January 2025
School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan 243032, P. R. China.
Ulcerative colitis (UC), often referred to as "green cancer", is a chronic inflammatory bowel disease with an unclear etiology, closely associated with the imbalance of hydrogen sulfide (HS) and peroxynitrite (ONOO). HS exhibits anti-inflammatory effects at physiological levels, but excessive concentrations can compromise the intestinal barrier, while ONOO aggravates inflammation. To facilitate the molecular-level monitoring of these compounds in UC, we developed a novel fluorescent probe, , capable of simultaneously detecting HS and ONOO via distinct fluorescent channels in a cascade mode.
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