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A long story for a short peptide:therapeutic efficacy of a cleavagespecific tau antibody
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作者 Giuseppina Amadoro Valentina Latina Pietro Calissano 《Neural Regeneration Research》 SCIE CAS CSCD 2021年第12期2417-2419,共3页
Tau is the prime participant in the Alzheimer’s disease(AD) neurodegeneration:AD,the main cause of dementia in elderly people,is a multifactorial neurodegenerative disorder characterized by a long prodromal phase(sta... Tau is the prime participant in the Alzheimer’s disease(AD) neurodegeneration:AD,the main cause of dementia in elderly people,is a multifactorial neurodegenerative disorder characterized by a long prodromal phase(starting more than two decades before clinical symptoms appear)with brain accumulation/misfolding of amyloidβ(Aβ)in insoluble amyloid plaques and of tau protein in neurofibrillary tangles. 展开更多
关键词 TAU ALZHEIMER
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A theragenerative bio-nanocomposite consisting of black phosphorus quantum dots for bone cancer therapy and regeneration
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作者 Ashkan Bigham Ines Fasolino +7 位作者 Silvia Borsacchi Carmen Valente Lucia Calucci Gabriele Turacchio Marianna Pannico Manuel Serrano-Ruiz Luigi Ambrosio Maria Grazia Raucci 《Bioactive Materials》 SCIE CSCD 2024年第5期99-121,共23页
Recently,the term theragenerative has been proposed for biomaterials capable of inducing therapeutic approaches followed by repairing/regenerating the tissue/organ.This study is focused on the design of a new theragen... Recently,the term theragenerative has been proposed for biomaterials capable of inducing therapeutic approaches followed by repairing/regenerating the tissue/organ.This study is focused on the design of a new theragenerative nanocomposite composed of an amphiphilic non-ionic surfactant(Pluronic F127),bioactive glass(BG),and black phosphorus(BP).The nanocomposite was prepared through a two-step synthetic strategy,including a microwave treatment that turned BP nanosheets(BPNS)into quantum dots(BPQDs)with 5±2 nm dimensions in situ.The effects of surfactant and microwave treatment were assessed in vitro:the surfactant distributes the ions homogenously throughout the composite and the microwave treatment chemically stabilizes the composite.The presence of BP enhanced bioactivity and promoted calcium phosphate formation in simulated body fluid.The inherent anticancer activity of BP-containing nanocomposites was tested against osteosarcoma cells in vitro,finding that 150μg mL^(-1)was the lowest concentration which prevented the proliferation of SAOS-2 cells,while the counterpart without BP did not affect the cell growth rate.Moreover,the apoptosis pathways were evaluated and a mechanism of action was proposed.NIR irradiation was applied to induce further proliferation suppression on SAOS-2 cells through hyperthermia.The inhibitory effects of bare BP nanomaterials and nanocomposites on the migration and invasion of bone cancer,breast cancer,and prostate cancer cells were assessed in vitro to determine the anticancer potential of nanomaterials against primary and secondary bone cancers.The regenerative behavior of the nanocomposites was tested with healthy osteoblasts and human mesenchymal stem cells;the BPQDs-incorporated nanocomposite significantly promoted the proliferation of osteoblast cells and induced the osteogenic differentiation of stem cells.This study introduces a new multifunctional theragenerative platform with promising potential for simultaneous bone cancer therapy and regeneration. 展开更多
关键词 Bioactive glass Black phosphorus Microwave treatment Bone cancer therapy Tissue regeneration
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