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| 1 | Response and remission rates in different subpopulations with major depressive disorder administered venlafaxine, selective serotonin reuptake inhibitors, or placebo 显示文摘 | Ent suah AR Huang H Thase ME | 2001 | J Clin Psychiatry2001，62，11： | 1 |
| 2 | Cathepsin B-responsive prodrugs for cancer-targeted therapy:Recent advances and progress for clinical translation显示文摘The cathepsin B-responsive prodrugs are promising strategies to reduce the serious adverse effects of anticancer drugs by improving the cancer selectivity that can be specifically activated by overexpressed cathepsin B in targeted cancer cells.However,clinical translation of such therapeutic approaches has been restricted by low antitumor efficacy that is mainly attributable to undesirable pharmacokinetic profiles and inefficient tumor-targeting of cathepsin B-responsive prodrugs,due to their small-molecule structure.In recent decades,many researchers have widely investigated the drug delivery system(DDS)to improve the in vivo pharmacokinetic profiles and tumor-targeting efficiency of cathepsin B-responsive prodrugs via the application of polymers,dendrimers,antibodies,lipids,and inorganic nanoparticles as drug carriers.In addition,the potential therapeutic efficacy of DDS for cathepsin B-responsive prodrugs is demonstrated in multiple studies and combinatorial treatment with typical therapeutic modalities can effectively overcome the challenges of tumor heterogeneity and multidrug resistance.In this review,recent advances and progress of new DDS for cathepsin B-responsive prodrugs are outlined,and their clinical trials are discussed.Besides,potential challenges and the outlooks for clinical translation of cathepsin B-responsive prodrugs are highlighted. | Seong Ik Jeon Suah Yang Man Kyu Shim Kwangmeyung Kim | 2022 | Nano Research2022，15，8： | 0 |
| 3 | Photo-induced crosslinked and anti-PD-L1 peptide incorporated liposomes to promote PD-L1 multivalent binding for effective immune checkpoint blockade therapy显示文摘Immune checkpoint blockade(ICB)therapy targeting PD-L1 via monoclonal antibody(m Ab)has shown extensive clinical benefits in the diverse types of advanced malignancies.However,most patients are completely refractory to ICB therapy owing to the PD-L1 recycling mechanism.Herein,we propose photo-induced crosslinked and anti-PD-L1 peptide incorporated liposomes(immune checkpoint blockade liposomes;ICB-LPs)to promote PD-L1 multivalent binding for inducing lysosomal degradation of PD-L1 in tumor cells.The ICB-LPs are prepared by formulation of DC_(8,9)PC with photo-polymerized diacetylenic moiety,1,2-dipalmitoylphosphatidylcholine(DPPC)and anti-PD-L1peptide(D-form NYSKPTDRQYHF)-conjugated DSPE-PEG_(2k)(anti-PD-L1-DSPE-PEG_(2k))in a molar ratio of 45:45:10,followed by cross-linking of liposomal bilayer upon UV irradiation.The 10 mol% antiPD-L1-DSPE-PEG_(2k)incorporated ICB-LPs have a nano-sized lipid bilayer structure with an average diameter of 137.7±1.04 nm,showing a high stability in serum condition.Importantly,the ICB-LPs efficiently promote the multivalent binding with PD-L1 on the tumor cell membrane,which are endocytosed with aim to deliver PD-L1 to the lysosomes,wherein the durable PD-L1 degradation is observed for72 h,in contrast to anti PD-L1 m Abs showing the rapid PD-L1 recycling within 9 h.The in vitro coculture experiments with CD8^(+)T cells show that ICB-LPs effectively enhance the T cell-mediated antitumor immune responses against tumor cells by blocking the PD-L1/PD-1 axis.When ICB-LPs are intravenously injected into colon tumor-bearing mice,they efficiently accumulate within the targeted tumor tissues via both passive and active tumor targeting,inducing a potent T cell-mediated antitumor immune response by effective and durable PD-L1 degradation.Collectively,this study demonstrates the superior antitumor efficacy of crosslinked and anti-PD-L1 peptide incorporated liposome formulation that promotes PD-L1 multivalent binding for trafficking of PD-L1 toward the lysosomes instead of the recycling endosomes. | Youngjoo Lee Sukyung Song Suah Yang Jinseong Kim Yujeong Moon Nayeon Shim Hong Yeol Yoon Sehoon Kim Man Kyu Shim Kwangmeyung Kim | 2024 | Acta Pharmaceutica Sinica B2024，14，3： | 0 |
| 4 | All-in-one glycol chitosan nanoparticles for co-delivery of doxorubicin and anti-PD-L1 peptide in cancer immunotherapy显示文摘Synergistic immunotherapy of immune checkpoint blockade (ICB) and immunogenic cell death (ICD) has shown remarkable therapeutic efficacy in various cancers. However, patients show low response rates and undesirable outcomes to these combination therapies owing to the recycling mechanism of programmed death-ligand 1 (PD-L1) and the systemic toxicity of ICD-inducing chemotherapeutic drugs. Herein, we propose all-in-one glycol chitosan nanoparticles (CNPs) that can deliver anti-PD-L1 peptide (PP) and doxorubicin (DOX) to targeted tumor tissues for a safe and more effective synergistic immunotherapy. The PP-CNPs, which are prepared by conjugating ᴅ-form PP (NYSKPTDRQYHF) to CNPs, form stable nanoparticles that promote multivalent binding with PD-L1 proteins on the targeted tumor cell surface, resulting in effective lysosomal PD-L1 degradation in contrast with anti-PD-L1 antibody, which induces recycling of endocytosed PD-L1. Consequently, PP-CNPs prevent subcellular PD-L1 recycling and eventually destruct immune escape mechanism in CT26 colon tumor-bearing mice. Moreover, the ICD inducer, DOX is loaded into PP-CNPs (DOX-PP-CNPs) for synergistic ICD and ICB therapy, inducing a large number of damage-associated molecular patterns (DAMPs) in targeted tumor tissues with minimal toxicity in normal tissues. When the DOX-PP-CNPs are intravenously injected into CT26 colon tumor-bearing mice, PP and DOX are efficiently delivered to the tumor tissues via nanoparticle-derived passive and active targeting, which eventually induce both lysosomal PD-L1 degradation and substantial ICD, resulting in a high rate of complete tumor regression (CR: 60%) by a strong antitumor immune response. Collectively, this study demonstrates the superior efficacy of synergistic immunotherapy using all-in-one nanoparticles to deliver PP and DOX to targeted tumor tissues. | Sukyung Song Man Kyu Shim Suah Yang Jaewan Lee Wan Su Yun Hanhee Cho Yujeong Moon Jin Young Min Eun Hee Han Hong Yeol Yoon Kwangmeyung Kim | 2023 | Bioactive Materials2023，，10： | 0 |
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