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Probiotic biofilm modified scaffolds for facilitating osteomyelitis treatment through sustained release of bacteriophage and regulated macrophage polarization.
Mater Today Bio
February 2025
Department of Orthopedic Trauma and Microsurgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, China.
Osteomyelitis has gradually become a catastrophic complication in orthopedic surgery due to the formation of bacterial biofilms on the implant surface and surrounding tissue. The therapeutic challenges of antibiotic resistance and poor postoperative osseointegration provide inspiration for the development of bioactive implants. We have strategically designed bioceramic scaffolds modified with (LR) and bacteriophages (phages) to achieve both antibacterial and osteogenic effects.
View Article and Find Full Text PDFMatrix vesicle-inspired delivery system based on nanofibrous chitosan microspheres for enhanced bone regeneration.
Mater Today Bio
February 2025
State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, 430079, China.
Inspired by the initial mineralization process with bone matrix vesicles (MVs), this study innovatively developed a delivery system to mediate mineralization during bone regeneration. The system comprises nanofibrous chitosan microspheres (NCM) and poly (allylamine hydrochloride)-stabilized amorphous calcium phosphate (PAH-ACP), which is thereafter referred to as NCMP. NCM is synthesized through the thermal induction of chitosan molecular chains, serving as the carrier, while PAH-ACP functions as the mineralization precursor.
View Article and Find Full Text PDFLongitudinal MRI evaluation of the efficacy of non-enhanced lung cancer brain metastases.
Sci Rep
January 2025
Department of Radiology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, 441000, Hubei, China.
Brain metastases (BM) are the most prevalent intracranial malignancies. Approximately 30-40% of cancer patients develop BM at some stage of their illness, presenting with a high incidence and poor prognosis. Our clinical findings indicate a significant disparity in the efficacy between non-enhanced and enhanced lung cancer BM.
View Article and Find Full Text PDFAnaerobic probiotics-in situ Se nanoradiosensitizers selectively anchor to tumor with immuno-regulations for robust cancer radio-immunotherapy.
Biomaterials
January 2025
Department of Pharmacy of Puning People's Hospital (Guangdong Postdoctoral Innovation Practice Base of Jinan University), Department of Chemistry, State Key Laboratory of Bioactive Molecules and Druggability Assessment, MOE Key Laboratory of Tumor Molecular Biology, Jinan University, Guangdong, 510632, China. Electronic address:
Developing translational nanoradiosensitizers with multiple activities in sensitizing tumor cells and re-shaping tumor immunosuppressive microenvironments are urgently desired for addressing the poor therapeutic efficacy of radiotherapy in clinic. Inspired by the anaerobic and immunoagonist properties of the probiotic (bifidobacterium longum, BL), herein, a biomimetic Selenium nanoradiosensitizer in situ-formed on the surface of the probiotic (BL@SeNPs) is developed in a facile method to potentiate radiotherapy. BL@SeNPs selectively target to hypoxia regions of tumors and then anchor on the surface of tumor cells to inhibit its proliferation.
View Article and Find Full Text PDFRoles for Exosomes in the Pathogenesis, Drug Delivery and Therapy of Psoriasis.
Pharmaceutics
January 2025
Section of Immunology, Guangdong Provincial Academy of Chinese Medical Sciences, 55 Nei Huan Xi Lu, College Town, Guangzhou 510006, China.
Psoriasis is a chronic, recurrent and inflammatory skin disease. Although conventional immunosuppressants can ameliorate psoriatic symptoms, it tends to relapse over time. Previous studies have shown that exosomes from both immune and non-immune cells participate in psoriatic immunopathology.
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