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Evaluation of TOCSY mixing for sensitivity-enhancement in solid-state NMR and application of 4D experiments for side-chain assignments of the full-length 30 kDa membrane protein GlpG.
J Biomol NMR
January 2025
Research Unit Molecular Biophysics, Leibniz-Forschungsinstitut für Molekulare Pharmakologie, Robert- Rössle-Straße 10, 13125, Berlin, Germany.
Chemical shift assignments of large membrane proteins by solid-state NMR experiments are challenging. Recent advancements in sensitivity-enhanced pulse sequences, have made it feasible to acquire H-detected 4D spectra of these challenging protein samples within reasonable timeframes. However, obtaining unambiguous assignments remains difficult without access to side-chain chemical shifts.
View Article and Find Full Text PDFDual ligand functionalized pH-sensitive liposomes for metastatic breast cancer treatment: and assessment.
J Mater Chem B
January 2025
Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University, Lucknow, Uttar Pradesh, 226025, India.
This research demonstrates the design and development of a novel dual-targeting, pH-sensitive liposomal (pSL) formulation of 5-Fluorouracil (5-FU), , (5-FU-iRGD-FA-pSL) to manage breast cancer (BC). The motivation to explore this formulation is to overcome the challenges of systemic toxicity and non-specific targeting of 5-FU, a conventional chemotherapeutic agent. The proposed formulation also combines folic acid (FA) and iRGD peptides as targeting ligands to enhance tumor cell specificity and penetration, while the pH-sensitive liposomes ensure the controlled drug release in the acidic tumor microenvironment.
View Article and Find Full Text PDFInjured Myocardium-Targeted Theranostic Nanoplatform for Multi-Dimensional Immune-Inflammation Regulation in Acute Myocardial Infarction.
Adv Sci (Weinh)
January 2025
Department of Radiology, Nanjing Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, 305 East Zhongshan Road, Nanjing, 210002, China.
Pyroptosis is a key mode of programmed cell death during the early stages following acute myocardial infarction (AMI), driving immune-inflammatory responses. Cardiac resident macrophages (CRMs) are the primary mediators of cardiac immunity, and they serve a dual role through their shaping of both myocardial injury and post-AMI myocardial repair. To appropriately regulate AMI-associated inflammation, HM4oRL is herein designed, an innovative bifunctional therapeutic nanoplatform capable of inhibiting cardiomyocyte pyroptosis while reprogramming inflammatory signaling.
View Article and Find Full Text PDFBioengineered NanoAid synergistically targets inflammatory pro-tumor processes to advance glioblastoma chemotherapy.
Nanoscale
January 2025
Department of Anaesthesiology, Perioperative and Pain Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing 211101, China.
Through transcriptomic analysis of patient-derived glioblastoma tissues, we identify an overactivation of inflammatory pathways that contribute to the development of a tumor-promoting microenvironment and therapeutic resistance. To address this critical mechanism, we present NanoAid, a biomimetic nanoplatform designed to target inflammatory pro-tumor processes to advance glioblastoma chemotherapy. NanoAid employs macrophage-membrane-liposome hybrids to optimize the delivery of COX-2 inhibitor parecoxib and paclitaxel.
View Article and Find Full Text PDF"Effects of Redox Status on Immediate Hypericin-Mediated Photodynamic Therapy in Human Glioblastoma T98G Cell Line".
ACS Omega
January 2025
Departament of Physiological Sciences, State University of Maringa, Maringa, Parana 87020-900, Brazil.
Glioblastoma Multiforme (GBM) is one of the most aggressive types of brain tumor. GBM can modulate glutathione (GSH) levels and regulate cellular redox state, which can explain its high resistance to chemotherapeutic agents. Photodynamic therapy (PDT) is a selective, nontoxic, and minimally invasive treatment approved for many types of cancer.
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