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Zhao T, Ren M, Shi J, Wang H, Bai J, Du W, Xiang B. Engineering the protein corona: Strategies, effects, and future directions in nanoparticle therapeutics. Biomed Pharmacother 2024; 175:116627. [PMID: 38653112 DOI: 10.1016/j.biopha.2024.116627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 04/10/2024] [Accepted: 04/17/2024] [Indexed: 04/25/2024] Open
Abstract
Nanoparticles (NPs) serve as versatile delivery systems for anticancer, antibacterial, and antioxidant agents. The manipulation of protein-NP interactions within biological systems is crucial to the application of NPs in drug delivery and cancer nanotherapeutics. The protein corona (PC) that forms on the surface of NPs is the interface between biomacromolecules and NPs and significantly influences their pharmacokinetics and pharmacodynamics. Upon encountering proteins, NPs undergo surface alterations that facilitate their clearance from circulation by the mononuclear phagocytic system (MPS). PC behavior depends largely on the biological microenvironment and the physicochemical properties of the NPs. This review describes various strategies employed to engineer PC compositions on NP surfaces. The effects of NP characteristics such as size, shape, surface modification and protein precoating on PC performance were explored. In addition, this study addresses these challenges and guides the future directions of this evolving field.
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Affiliation(s)
- Tianyu Zhao
- Department of Pharmacy, Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Mingli Ren
- Department of Pharmacy, Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Jiajie Shi
- Department of Breast Oncology, Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Haijiao Wang
- Department of Pharmacy, Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Jing Bai
- Department of Pharmacy, Fourth Hospital of Hebei Medical University, Shijiazhuang, China.
| | - Wenli Du
- Department of Pharmacy, Fourth Hospital of Hebei Medical University, Shijiazhuang, China.
| | - Bai Xiang
- Department of Pharmaceutics, Hebei Medical University, Shijiazhuang, China.
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Yang S, Sun Y, Liu W, Zhang Y, Sun G, Xiang B, Yang J. Exosomes in Glioma: Unraveling Their Roles in Progression, Diagnosis, and Therapy. Cancers (Basel) 2024; 16:823. [PMID: 38398214 PMCID: PMC10887132 DOI: 10.3390/cancers16040823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 01/29/2024] [Accepted: 02/12/2024] [Indexed: 02/25/2024] Open
Abstract
Gliomas, the most prevalent primary malignant brain tumors, present a challenging prognosis even after undergoing surgery, radiation, and chemotherapy. Exosomes, nano-sized extracellular vesicles secreted by various cells, play a pivotal role in glioma progression and contribute to resistance against chemotherapy and radiotherapy by facilitating the transportation of biological molecules and promoting intercellular communication within the tumor microenvironment. Moreover, exosomes exhibit the remarkable ability to traverse the blood-brain barrier, positioning them as potent carriers for therapeutic delivery. These attributes hold promise for enhancing glioma diagnosis, prognosis, and treatment. Recent years have witnessed significant advancements in exosome research within the realm of tumors. In this article, we primarily focus on elucidating the role of exosomes in glioma development, highlighting the latest breakthroughs in therapeutic and diagnostic approaches, and outlining prospective directions for future research.
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Affiliation(s)
- Song Yang
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, China
| | - Yumeng Sun
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, China
| | - Wei Liu
- Department of Immunology, College of Basic Medicine, Hebei Medical University, Shijiazhuang 050017, China
| | - Yi Zhang
- Department of Cancer Genetics and Epigenetics, Beckman Research Institute, City of Hope Cancer Center, Duarte, CA 91010, USA
| | - Guozhu Sun
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, China
| | - Bai Xiang
- College of Pharmacy, Hebei Medical University, Shijiazhuang 050000, China
| | - Jiankai Yang
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, China
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Lan W, Yao J, Cao M, Wang Z, Xiang B, Zhou J, Liao W, Liu X, Yang M, Zhang S, Zhao Y. Bifunctional Role of Monocyte Subsets in Modulating Radiotherapy Combined Intra-Tumor αCD40 Agonist Induced Abscopal Effect. Int J Radiat Oncol Biol Phys 2023; 117:S121. [PMID: 37784314 DOI: 10.1016/j.ijrobp.2023.06.459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Abscopal effect induced by radiotherapy and immune checkpoint blockade is a promising yet far from satisfactory strategy in clinical. The underlying immune mechanism, especially driven by monocytes remains poorly undefined. Monocytes consist of two phenotypically and functionally distinct subsets distinguished by expression of chemokine receptors CCR2 and CX3CR1: classical inflammatory Ly6ChiCCR2hi monocytes and nonclassical patrolling Ly6CloCCR2loCX3CR1hi monocytes. Monocytes differentiate and transit to other myeloid cells such as dendritic cells and macrophages according to various environmental cues. Herein we investigated the roles of monocyte subsets in modulating tumor control consisting of combination RT and myeloid checkpoint agonist αCD40 to specifically ignite myeloid cell activation. MATERIALS/METHODS To establish abscopal model, contralateral tumors were implanted in each mouse, while only one side were treated with RT (8 Gy × 3) + αCD40 agonist (50 μg, intra-tumor). Tumor volume and mice survival were compared in each group (control, RT, αCD40 and RT + αCD40). Ccr2RFP/+ Cx3cr1GFP/+ (R2 × 3), Ccr2RFP/RFPCx3cr1+/+ (R2-KO) and Ccr2+/+Cx3cr1GFP/GFP (X3-KO) mice were used for cell tracking and to dissect chemokine receptor CCR2 and CX3CR1 on monocyte. Tumor infiltrating immune cells were analyzed by flowcytometry and RNA-seq. RESULTS RT combined with αCD40 significantly dampened tumor growth on both ipsilateral and contralateral sides in abscopal model (p< 0.01), accompanied by upregulation of chemokine receptors CCR2 and CX3CR1 on myeloid cells were both increased in tumor and peripheral blood. Chemokine ligands CCL2, CCL3, CCL5, CCL7, CCL12 and CX3CL1 were upregulated in tumor after RT and αCD40 treatment, recruiting CCR2 and CX3CR1 expressing monocytes in situ. To elucidate the roles of CCR2 and CX3CR1 in mediating local and systemic anti-tumor immunity, R2 × 3, R2-KO and X3-KO mice with combined treatment were used. Tumor size on ipsilateral leg were similar among groups. However, tumor growth was significantly delayed on contralateral side in X3-KO mice while accelerated in R2-KO mice compared with that in R2 × 3 mice. Mechanistically, remarkable decrease of antigen presenting dendritic cells (MHCII+Ly6ChiCD11c+) were observed in R2-KO mice. Moreover, phagocytosis was strengthened in macrophages (F4/80+CD11b+) of X3-KO mice. CONCLUSION CX3CR1 deletion ignite anti-tumor immunity elicited by RT and αCD40 through enhanced phagocytosis in macrophages, while CCR2 deletion renders inferior tumor control through reduction of dendritic cells. Preferential targeting nonclassical patrolling monocyte may lead to enhanced local and systemic tumor control.
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Affiliation(s)
- W Lan
- Sichuan Cancer Hospital & Institute, Sichuan Cancer Center; Cancer Hospital affiliate to University of Electronic Science and Technology of China, Chengdu, China
| | - J Yao
- Sichuan Cancer Hospital & Institute, Sichuan Cancer Center; Cancer Hospital affiliate to University of Electronic Science and Technology of China, Chengdu, China
| | - M Cao
- Sichuan Cancer Hospital & Institute, Sichuan Cancer Center; Cancer Hospital affiliate to University of Electronic Science and Technology of China, Chengdu, China; Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Z Wang
- Sichuan Cancer Hospital & Institute, Sichuan Cancer Center; Cancer Hospital affiliate to University of Electronic Science and Technology of China, Chengdu, China
| | - B Xiang
- Sichuan Cancer Hospital & Institute, Sichuan Cancer Center; Cancer Hospital affiliate to University of Electronic Science and Technology of China, Chengdu, China
| | - J Zhou
- Sichuan Cancer Hospital & Institute, Sichuan Cancer Center; Cancer Hospital affiliate to University of Electronic Science and Technology of China, Chengdu, China
| | - W Liao
- Sichuan Cancer Hospital & Institute, Sichuan Cancer Center; Cancer Hospital affiliate to University of Electronic Science and Technology of China, Chengdu, China
| | - X Liu
- Sichuan Cancer Hospital & Institute, Sichuan Cancer Center; Cancer Hospital affiliate to University of Electronic Science and Technology of China, Chengdu, China
| | - M Yang
- Sichuan Cancer Hospital & Institute, Sichuan Cancer Center; Cancer Hospital affiliate to University of Electronic Science and Technology of China, Chengdu, China
| | - S Zhang
- Sichuan Cancer Hospital & Institute, Sichuan Cancer Center; Cancer Hospital affiliate to University of Electronic Science and Technology of China, Chengdu, China
| | - Y Zhao
- Sichuan Cancer Hospital & Institute, Sichuan Cancer Center; Cancer Hospital affiliate to University of Electronic Science and Technology of China, Chengdu, China
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Xu XS, Ding H, Zhang X, Liao Y, Li H, Liu QY, Liu JZ, Zhang L, Huang J, Gong YP, Ma HB, Xiang B, Dai Y, Hou L, Shuai X, Niu T, Wu Y. [Clinical characteristics and prognosis of patients with therapy-related myelodysplastic syndrome and acute myeloid leukemia arising from malignant tumors]. Zhonghua Xue Ye Xue Za Zhi 2023; 44:742-748. [PMID: 38049318 PMCID: PMC10630571 DOI: 10.3760/cma.j.issn.0253-2727.2023.09.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Indexed: 12/06/2023]
Abstract
Objective: To investigate the clinical characteristics, cytogenetics, molecular biology, treatment, and prognosis of patients with therapy-related myelodysplastic syndrome and acute myeloid leukemia (t-MDS/AML) secondary to malignancies. Methods: The clinical data of 86 patients with t-MDS/AML in West China Hospital of Sichuan University between January 2010 and April 2023 were retrospectively analyzed. The clinical characteristics, primary tumor types, and tumor-related therapies were analyzed. Results: The study enrolled a total of 86 patients with t-MDS/AML, including 67 patients with t-AML, including 1 patient with M(0), 6 with M(1), 27 with M(2), 9 with M(3), 12 with M(4), 10 with M(5), 1 with M(6), and 1 with M(7). Sixty-two patients could be genetically stratified, with a median overall survival (OS) of 36 (95% CI 22-52) months for 20 (29.9%) patients in the low-risk group and 6 (95% CI 3-9) months for 10 (14.9%) in the intermediate-risk group. The median OS time was 8 (95% CI 1-15) months in 32 (47.8%) patients in the high-risk group. For patients with non-acute promyelocytic leukemia (APL) and AML, the median OS of the low-risk group was 27 (95% CI 18-36) months, which was significantly longer than that of the non-low-risk group (χ(2)=5.534, P=0.019). All 9 APL cases were treated according to the initial treatment, and the median OS was not reached, and the 1-, 2-, and 3-year OS rates were 100.0%, (75.0±6.2) %, and (75.0±6.2) % respectively. Of the 58 patients with non-APL t-AML (89.7%), 52 received chemotherapy, and 16 achieved complete remission (30.8%) after the first induction chemotherapy. The 1-, 2-, and 3-year OS rates of the non-APL t-AML group were (42.0 ± 6.6) %, (22.9±5.7) %, and (13.4±4.7) %, respectively. The median OS of patients who achieved remission was 24 (95% CI 18-30) months, and the median OS of those who did not achieve remission was 6 (95% CI 3-9) months (χ(2)=10.170, P=0.001). Bone marrow CR was achieved in 7 (53.8%) of 13 patients treated with vineclar-containing chemotherapy, with a median OS of 12 (95% CI 9-15) months, which was not significantly different from that of vineclar-containing chemotherapy (χ(2)=0.600, P=0.437). In 19 patients with t-MDS, the 1-, 2-, and 3-year OS rates were (46.8±11.6) %, (17.5±9.1) %, and (11.7±9.1) % with a median OS of 12 (95% CI 7-17) months, which was not significantly different from that in t-AML (χ(2)=0.232, P=0.630) . Conclusions: Breast cancer, bowel cancer, and other primary tumors are common in patients with t-MDS/AML, which have a higher risk of adverse genetics. Patients with APL had a high induction remission rate and a good long-term prognosis, whereas patients without APL had a low remission rate and a poor long-term prognosis.
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Affiliation(s)
- X S Xu
- Department of Hematology, West China Hospital, Sichuan University, Chengdu 610041, China Department of Hematology, Jiujiang First People's Hospital, Jiujiang 332000, China
| | - H Ding
- Department of Hematology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - X Zhang
- Department of Hematology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Y Liao
- Department of Hematology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - H Li
- Department of Hematology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Q Y Liu
- Department of Hematology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - J Z Liu
- Department of Hematology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - L Zhang
- Department of Hematology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - J Huang
- Department of Hematology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Y P Gong
- Department of Hematology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - H B Ma
- Department of Hematology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - B Xiang
- Department of Hematology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Y Dai
- Department of Hematology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - L Hou
- Department of Hematology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - X Shuai
- Department of Hematology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - T Niu
- Department of Hematology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Y Wu
- Department of Hematology, West China Hospital, Sichuan University, Chengdu 610041, China
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Xue X, Qu H, Bo R, Zhang D, Zhu Z, Xiang B, Li L, Ricci M, Pan CX, Lin TY, Li Y. A transformable nanoplatform with multiple therapeutic and immunostimulatory properties for treatment of advanced cancers. Biomaterials 2023; 299:122145. [PMID: 37172536 DOI: 10.1016/j.biomaterials.2023.122145] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 04/17/2023] [Accepted: 05/03/2023] [Indexed: 05/15/2023]
Abstract
Cancer is a complex pathological phenomenon that needs to be treated from different aspects. Herein, we developed a size/charge dually transformable nanoplatform (PDR NP) with multiple therapeutic and immunostimulatory properties to effectively treat advanced cancers. The PDR NPs exhibit three different therapeutic modalities (chemotherapy, phototherapy and immunotherapy) that can be used to effectively treat primary and distant tumors, and reduce recurrent tumors; the immunotherapy is simultaneously activated by three major pathways, including toll-like receptor, stimulator of interferon genes and immunogenic cell death, effectively suppresses the tumor development in combination with an immune checkpoint inhibitor. In addition, PDR NPs show size and charge responsive transformability in the tumor microenvironment, which overcomes various biological barriers and efficiently delivers the payloads into tumor cells. Taking these unique characteristics together, PDR NPs effectively ablate primary tumors, activate strong anti-tumor immunity to suppress distant tumors and reduce tumor recurrence in bladder tumor-bearing mice. Our versatile nanoplatform shows great potential for multimodal treatments against metastatic cancers.
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Affiliation(s)
- Xiangdong Xue
- School of Pharmacy, National Key Laboratory of Innovative Immunotherapy, Shanghai Jiao Tong University, Shanghai, 200240, China; Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA, 95817, USA
| | - Haijing Qu
- School of Pharmacy, National Key Laboratory of Innovative Immunotherapy, Shanghai Jiao Tong University, Shanghai, 200240, China; Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA, 95817, USA
| | - Ruonan Bo
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA, 95817, USA; School of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, China
| | - Dalin Zhang
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA, 95817, USA
| | - Zheng Zhu
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02132, USA
| | - Bai Xiang
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA, 95817, USA; Key Laboratory of Hebei Province for Innovative Drug Research and Evaluation, School of Pharmaceutical Sciences, Hebei Medical University, Shijiazhuang, Hebei, 050017, China
| | - Longmeng Li
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA, 95817, USA
| | - Marina Ricci
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA, 95817, USA
| | - Chong-Xian Pan
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02132, USA; VA Boston Healthcare System, Boston, MA, 02132, USA
| | - Tzu-Yin Lin
- Division of Hematology and Oncology, Department of Internal Medicine, School of Medicine, University of California Davis, Sacramento, CA, 95817, USA
| | - Yuanpei Li
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA, 95817, USA.
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Ni H, Xie S, Xiang D, Shia W, Chen G, Xiang B. A Novel Bimetal Cu–Fe Nano-Silica Catalyst Synthesis by Supercritical Method and Its High Catalytic Activity for Phenol Hydroxylation. RUSS J GEN CHEM+ 2022. [DOI: 10.1134/s1070363222120441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
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Zhou X, Dun J, Chen X, Xiang B, Dang Y, Cao D. Predicting the correct dose in children: Role of computational Pediatric Physiological-based pharmacokinetics modeling tools. CPT Pharmacometrics Syst Pharmacol 2022; 12:13-26. [PMID: 36330677 PMCID: PMC9835135 DOI: 10.1002/psp4.12883] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 10/12/2022] [Accepted: 10/16/2022] [Indexed: 11/06/2022] Open
Abstract
The pharmacokinetics (PKs) and safety of medications in particular groups can be predicted using the physiologically-based pharmacokinetic (PBPK) model. Using the PBPK model may enable safe pediatric clinical trials and speed up the process of new drug research and development, especially for children, a population in which it is relatively difficult to conduct clinical trials. This review summarizes the role of pediatric PBPK (P-PBPK) modeling software in dose prediction over the past 6 years and briefly introduces the process of general P-PBPK modeling. We summarized the theories and applications of this software and discussed the application trends and future perspectives in the area. The modeling software's extensive use will undoubtedly make it easier to predict dose prediction for young patients.
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Affiliation(s)
- Xu Zhou
- College of PharmacyHebei Medical UniversityShijiazhuangChina
| | - Jiening Dun
- College of PharmacyHebei Medical UniversityShijiazhuangChina
| | - Xiao Chen
- College of PharmacyHebei Medical UniversityShijiazhuangChina
| | - Bai Xiang
- College of PharmacyHebei Medical UniversityShijiazhuangChina
| | - Yunjie Dang
- College of PharmacyHebei Medical UniversityShijiazhuangChina
| | - Deying Cao
- College of PharmacyHebei Medical UniversityShijiazhuangChina
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Li F, Xu W, Feng Y, Wang W, Tian H, He S, Li L, Xiang B, Wang Y. Preparation of ultrasound contrast agents: The exploration of the structure-echogenicity relationship of contrast agents based on neural network model. Front Oncol 2022; 12:964314. [PMID: 36276089 PMCID: PMC9581267 DOI: 10.3389/fonc.2022.964314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 08/09/2022] [Indexed: 11/23/2022] Open
Abstract
There is a need to standardize the process of micro/nanobubble preparation to bring it closer to clinical translation. We explored a neural network-based model to predict the structure-echogenicity relationship for the preparation and fabrication of ultrasound-enhanced contrast agents. Seven formulations were screened, and 109 measurements were obtained. An artificial neural network-multilayer perceptron (ANN-MLP) model was used. The original data were divided into the training and testing groups, which included 73 and 36 groups of data, respectively. The hidden layer was selected from three hidden layers and included bias. The classification graph showed that the predicted values of the training and testing groups were 76.7% and 66.7%, respectively. According to the receiver operating characteristic curve, the accuracy of different imaging effects could achieve a prediction rate of 88.1–96.5%. The percentage graph showed that the data were gradually converging. The predictive analysis curves of different ultrasound effects gradually approached stable value of Gain. Normalized importance predicted contributions for the Pk1, poly-dispersity index (PDI), and intensity account were 100%, 98.5%, and 89.7%, respectively. The application of the ANN-MLP model is feasible and effective for the exploration of the synthesis process of ultrasound contrast agents. 1,2-Distearoyl-sn-glycero-3 phosphoethanolamine-N (methoxy[polyethylene glycol]-2000) (DSPE PEG-2000) correlated highly with the success rate of contrast agent synthesis.
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Affiliation(s)
- Feng Li
- Department of Ultrasound, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Wensheng Xu
- Department of Ultrasound, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Yujin Feng
- Department of Ultrasound, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Wengang Wang
- Department of Ultrasound, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Hui Tian
- Department of Ultrasound, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Suhuan He
- The First Outpatient Department of Hebei Province, Shijiazhuang, Hebei, China
| | - Liang Li
- Department of Integrated Traditional Chinese and Western Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Bai Xiang
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Hebei Medical University, Shijiazhuang, Hebei, China
- *Correspondence: Yueheng Wang, ; Bai Xiang,
| | - Yueheng Wang
- Department of Ultrasound, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
- *Correspondence: Yueheng Wang, ; Bai Xiang,
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Li R, Bonora G, Dai C, Xiang B, Zheng T, Mo W, Wang X, Zhou K, Jia S, Luo S, Du P. 911P The development and application of a baseline-agnostic minimal residual disease assay. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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10
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Ma Z, Lin K, Tang M, Ramachandran M, Qiu R, Li J, Solano LN, Huang Y, De Souza C, Abou-Adas S, Xiang B, Zhang L, Li M, Li Y. A pH-Driven Small-Molecule Nanotransformer Hijacks Lysosomes and Overcomes Autophagy-Induced Resistance in Cancer. Angew Chem Int Ed Engl 2022; 61:e202204567. [PMID: 35791769 PMCID: PMC9995155 DOI: 10.1002/anie.202204567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Indexed: 11/11/2022]
Abstract
Smart conversion of supramolecular structures in vivo is an attractive strategy in cancer nanomedicine, which is usually achieved via specific peptide sequences. Here we developed a lysosomal targeting small-molecule conjugate, PBC, which self-assembles into nanoparticles at physiological pH and smartly converts to nanofibrils in lysosomes of tumor cells. Such a transformation mechanically leads to lysosomal dysfunction, autophagy inhibition, and unusual cytoplasmic vacuolation, thus granting PBC a unique anticancer activity as a monotherapy. Importantly, the photo-activated PBC elicits significant phototoxicity to lysosomes and shows enormous advantages in overcoming autophagy-caused treatment resistance frequently occurring in conventional phototherapy. This improved phototherapy achieves a complete cure of oral cancer xenografts upon limited administration. Our work provides a new paradigm for the construction of nonpeptide nanotransformers with biomedical activities.
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Affiliation(s)
- Zhao Ma
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine Shandong University, Jinan, Shandong, 250012, China
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA 95817, USA
| | - Kai Lin
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA 95817, USA
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong, 266003, China
| | - Menghuan Tang
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA 95817, USA
| | - Mythili Ramachandran
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA 95817, USA
| | - Reng Qiu
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA 95817, USA
| | - Jin Li
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA 95817, USA
| | - Lucas N Solano
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA 95817, USA
| | - Yanyu Huang
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA 95817, USA
| | - Cristabelle De Souza
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA 95817, USA
| | - Sara Abou-Adas
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA 95817, USA
| | - Bai Xiang
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA 95817, USA
| | - Lanwei Zhang
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong, 266003, China
| | - Minyong Li
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine Shandong University, Jinan, Shandong, 250012, China
| | - Yuanpei Li
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, University of California Davis, Sacramento, CA 95817, USA
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Ma Z, Lin K, Tang M, Ramachandran M, Qiu R, Li J, Solano LN, Huang Y, De Souza C, Abou-Adas S, Xiang B, Zhang L, Li M, Li Y. A pH‐Driven Small‐Molecule Nanotransformer Hijacks Lysosomes and Overcomes Autophagy‐Induced Resistance in Cancer. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202204567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Zhao Ma
- Shandong University Cheeloo College of Medicine Medicinal Chemistry CHINA
| | - Kai Lin
- University of California Davis School of Medicine Biochemistry and Molecular Medicine UNITED STATES
| | - Menghuan Tang
- University of California Davis School of Medicine Biochemistry and Molecular Medicine UNITED STATES
| | - Mythili Ramachandran
- University of California Davis School of Medicine Biochemistry and Molecular Medicine UNITED STATES
| | - Reng Qiu
- University of California Davis School of Medicine Biochemistry and Molecular Medicine UNITED STATES
| | - Jin Li
- University of California Davis School of Medicine Biochemistry and Molecular Medicine UNITED STATES
| | - Lucas N. Solano
- University of California Davis School of Medicine Biochemistry and Molecular Medicine UNITED STATES
| | - Yanyu Huang
- University of California Davis Biochemistry and Molecular Medicine UNITED STATES
| | - Cristabelle De Souza
- University of California Davis School of Medicine Biochemistry and Molecular Medicine UNITED STATES
| | - Sara Abou-Adas
- University of California Davis Biochemistry and Molecular Medicine UNITED STATES
| | - Bai Xiang
- University of California Davis School of Medicine Biochemistry and Molecular Medicine UNITED STATES
| | - Lanwei Zhang
- Ocean University of China College of Food Science and Engineering CHINA
| | - Minyong Li
- Shandong University Cheeloo College of Medicine Medicinal Chemistry CHINA
| | - Yuanpei Li
- University of California Davis School of Medicine Biochemistry and Molecular Medicine 2700 Stockton Blvd, Suite 2405 95817 Sacramento UNITED STATES
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Zhao T, Liang C, Zhao Y, Xue X, Ma Z, Qi J, Shen H, Yang S, Zhang J, Jia Q, Du Q, Cao D, Xiang B, Zhang H, Qi X. Multistage pH-responsive codelivery liposomal platform for synergistic cancer therapy. J Nanobiotechnology 2022; 20:177. [PMID: 35366888 PMCID: PMC8976966 DOI: 10.1186/s12951-022-01383-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 03/17/2022] [Indexed: 12/20/2022] Open
Abstract
Abstract
Background
Small interfering RNA (siRNA) is utilized as a potent agent for cancer therapy through regulating the expression of genes associated with tumors. While the widely application of siRNAs in cancer treatment is severely limited by their insufficient biological stability and its poor ability to penetrate cell membranes. Targeted delivery systems hold great promise to selectively deliver loaded drug to tumor site and reduce toxic side effect. However, the elevated tumor interstitial fluid pressure and efficient cytoplasmic release are still two significant obstacles to siRNA delivery. Co-delivery of chemotherapeutic drugs and siRNA represents a potential strategy which may achieve synergistic anticancer effect. Herein, we designed and synthesized a dual pH-responsive peptide (DPRP), which includes three units, a cell-penetrating domain (polyarginine), a polyanionic shielding domain (ehG)n, and an imine linkage between them. Based on the DPRP surface modification, we developed a pH-responsive liposomal system for co-delivering polo-like kinase-1 (PLK-1) specific siRNA and anticancer agent docetaxel (DTX), D-Lsi/DTX, to synergistically exhibit anti-tumor effect.
Results
In contrast to the results at the physiological pH (7.4), D-Lsi/DTX lead to the enhanced penetration into tumor spheroid, the facilitated cellular uptake, the promoted escape from endosomes/lysosomes, the improved distribution into cytoplasm, and the increased cellular apoptosis under mildly acidic condition (pH 6.5). Moreover, both in vitro and in vivo study indicated that D-Lsi/DTX had a therapeutic advantage over other control liposomes. We provided clear evidence that liposomal system co-delivering siPLK-1 and DTX could significantly downregulate expression of PLK-1 and inhibit tumor growth without detectable toxic side effect, compared with siPLK-1-loaded liposomes, DTX-loaded liposomes, and the combinatorial administration.
Conclusion
These results demonstrate great potential of the combined chemo/gene therapy based on the multistage pH-responsive codelivery liposomal platform for synergistic tumor treatment.
Graphical Abstract
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13
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Su J, Zhao J, Zhang N, Xiang B, Zhi X, Huo Y. The Molecular Mechanism of Circular RNA Molecule CircSETD3 in Gefitinib Acquired Resistance in Non-Small Cell Lung Cancer. Indian J Pharm Sci 2022. [DOI: 10.36468/pharmaceutical-sciences.1024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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14
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Wu JJ, Xiang B, Bai J, Li WW, Liu YJ, Xiang H, Qu LF. [Analysis of types and treatment methods of cervical massive hemorrhage]. Zhonghua Yi Xue Za Zhi 2021; 101:2283-2287. [PMID: 34333942 DOI: 10.3760/cma.j.cn112137-20210109-00063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To summarize the classification and clinical treatment experience of cervical massive hemorrhage in multiple centers. Methods: From April 2012 to October 2020, clinical data of 42 patients with cervical massive hemorrhage were retrospectively analyzed, including 27 cases from Shanghai Changzheng Hospital, 7 cases from Hunan Provincial People's Hospital, 4 cases from Longkou People's Hospital and 4 cases from Laizhou People's Hospital. According to bleeding position (P), bleeding vessel (V), cerebral blood supply (C), and the presence or absence of associated injury (A), 42 patients were classified as "PVCA", and summarize the methods of pre-hospital emergency and in-hospital treatment based on the "ABC" treatment principles: airway rebuild (A), effective arterial hemostasis and bleeding stop (B), and cerebral blood flow reconstruction within the time window (C). Results: Within the 42 cases of cervical massive hemorrhage, there were 3 cases of type P1 (below cricoid cartilage), 28 cases of type P2 (cricoid cartilage-mandibular angle), 11 cases of type P3 (mandibular angle-skull base); 22 cases of type V1 (arterial hemorrhage), 11 cases of type V2 (main venous hemorrhage), 7 cases of type V3 (simple superficial vein or small artery hemorrhage), 2 cases of type V4 (mixed arteriovenous hemorrhage); 5 cases of type C0 (no symptoms of cerebral ischemia and neurological dysfunction), 33 cases of type C1 (transient cerebral ischemia without sensory disturbance), 4 cases of type C2 (symptoms of cerebral ischemia and neurological dysfunction); 39 cases of type A0 (no other system damage was involved) and 3 cases of type A1 (combined with other system damage). All 42 patients received operations, 25 patients received open surgery of vascular reconstruction+hematoma/foreign body removal (7 cases of vascular ligation, 14 cases of direct suture repair, 4 cases of vascular interposition), 17 patients received hybrid surgery (carotid angiography+covered stent repair+hematoma/foreign body removal). The surgical technique success rate the was 100%. All the hemorrhagic shock was corrected, hematoma compression was relieved, and the symptoms of cephalic ischemia were improved. There were 4 cases of local cranial nerve injury, 1 case of incision hematoma and 6 cases of postoperative hyper perfusion. During the average 14.3 months follow-up, there was no operation related myocardial infarction, stroke or death, no re-rupture or re-dissection, and 50% asymptomatic restenosis was found in 1 case one year after received covered stent endovascular repair. Conclusion: Based on the "PVCA" classification and "ABC" treatment principle, it is safe and effective to rescue cervical massive hemorrhage.
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Affiliation(s)
- J J Wu
- Department of Vascular & Endovascular Surgery, Changzheng Hospital Affiliated to Naval Medical University, Shanghai 200003, China
| | - B Xiang
- Department of Interventional Vascular Surgery, Hunan Provincial People's Hospital, Changsha 410005, China
| | - J Bai
- Department of Vascular & Endovascular Surgery, Changzheng Hospital Affiliated to Naval Medical University, Shanghai 200003, China
| | - W W Li
- Department of Vascular & Endovascular Surgery, Longkou People's Hospital, Longkou 265701, China
| | - Y J Liu
- Department of Cardiovascular Surgery, Laizhou People's Hospital, Laizhou 261400, China
| | - H Xiang
- Department of Interventional Vascular Surgery, Hunan Provincial People's Hospital, Changsha 410005, China
| | - L F Qu
- Department of Vascular & Endovascular Surgery, Changzheng Hospital Affiliated to Naval Medical University, Shanghai 200003, China
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Li L, Yang X, Zhang Z, Xiang B, Tang X. Comment on: Recovery after breast cancer surgery following a recommendation of physical activity pre- and postoperatively (PhysSURG-B)-a randomized clinical trial. Br J Surg 2021; 108:e272. [PMID: 33893479 DOI: 10.1093/bjs/znab132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 03/22/2021] [Indexed: 02/05/2023]
Affiliation(s)
- L Li
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, Sichuan, China.,Department of Pediatric Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - X Yang
- Department of Pediatric Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Z Zhang
- West China School Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - B Xiang
- Department of Pediatric Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - X Tang
- Department of Pediatric Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
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16
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Xu H, Liu B, Xiao Z, Zhou M, Ge L, Jia F, Liu Y, Jin H, Zhu X, Gao J, Akhtar J, Xiang B, Tan K, Wang G. Computational and Experimental Studies Reveal That Thymoquinone Blocks the Entry of Coronaviruses Into In Vitro Cells. Infect Dis Ther 2021; 10:483-494. [PMID: 33532909 PMCID: PMC7853165 DOI: 10.1007/s40121-021-00400-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 01/09/2021] [Indexed: 11/03/2022] Open
Abstract
INTRODUCTION Since December 2019, severe acute respiratory syndrome-related coronavirus-2 (SARS-CoV-2) has caused the coronavirus disease 2019 (COVID-19) pandemic in China and worldwide. New drugs for the treatment of COVID-19 are in urgent need. Considering the long development time for new drugs, the identification of promising inhibitors from FDA-approved drugs is an imperative and valuable strategy. Recent studies have shown that the S1 and S2 subunits of the spike protein of SARS-CoV-2 utilize human angiotensin-converting enzyme 2 (hACE2) as the receptor to infect human cells. METHODS We combined molecular docking and surface plasmon resonance (SPR) to identify potential inhibitors for ACE2 from available commercial medicines. We also designed coronavirus pseudoparticles that contain the spike protein assembled onto green fluorescent protein or luciferase reporter gene-carrying vesicular stomatitis virus core particles. RESULTS We found that thymoquinone, a phytochemical compound obtained from the plant Nigella sativa, is a potential drug candidate. SPR analysis confirmed the binding of thymoquinone to ACE2. We found that thymoquinone can inhibit SARS-CoV-2, SARS-CoV, and NL63 pseudoparticles infecting HEK293-ACE2 cells, with half-maximal inhibitory concentrations of 4.999, 7.598, and 6.019 μM, respectively. The SARS-CoV-2 pseudoparticle inhibition had half-maximal cytotoxic concentration of 35.100 μM and selection index = 7.020. CONCLUSION Thymoquinone is a potential broad-spectrum inhibitor for the treatment of coronavirus infections.
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Affiliation(s)
- Huan Xu
- New Drug R&D Center, North China Pharmaceutical Corporation, Shijiazhuang, 050015, China.,Shenzhen Bay Laboratories, Institute of Chemical Biology, Shenzhen, 518132, China
| | - Bing Liu
- Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, Hebei, China
| | - Zhen Xiao
- Department of Biology, Southern University of Science and Technology, Shenzhen, 518055, Guangdong, China.,Guangdong Provincial Key Laboratory of Computational Science and Material Design, Shenzhen, 518055, Guangdong, China
| | - Meiling Zhou
- New Drug R&D Center, North China Pharmaceutical Corporation, Shijiazhuang, 050015, China
| | - Lin Ge
- New Drug R&D Center, North China Pharmaceutical Corporation, Shijiazhuang, 050015, China
| | - Fan Jia
- Guangdong Provincial Key Laboratory of Brain Connectome and Behavior, CAS Key Laboratory of Brain Connectome and Manipulation, The Brain Cognition and Brain Disease Institute (BCBDI), Shenzhen, 518055, China.,Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China.,Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen, 518055, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yanling Liu
- New Drug R&D Center, North China Pharmaceutical Corporation, Shijiazhuang, 050015, China
| | - Hongshan Jin
- Nanjing Gemni Biotechnology Co., Ltd, Nanjing, 210023, China
| | - Xiuliang Zhu
- New Drug R&D Center, North China Pharmaceutical Corporation, Shijiazhuang, 050015, China
| | - Jian Gao
- New Drug R&D Center, North China Pharmaceutical Corporation, Shijiazhuang, 050015, China
| | - Javed Akhtar
- Department of Biology, Southern University of Science and Technology, Shenzhen, 518055, Guangdong, China.,Guangdong Provincial Key Laboratory of Computational Science and Material Design, Shenzhen, 518055, Guangdong, China
| | - Bai Xiang
- School of Pharmaceutical Sciences, Hebei Medical University, Shijiazhuang, 050017, China.
| | - Ke Tan
- Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, Hebei, China.
| | - Guanyu Wang
- Department of Biology, Southern University of Science and Technology, Shenzhen, 518055, Guangdong, China. .,Guangdong Provincial Key Laboratory of Computational Science and Material Design, Shenzhen, 518055, Guangdong, China.
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17
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Cui Q, Liu D, Xiang B, Sun Q, Fan L, He M, Wang Y, Zhu X, Ye H. Morning Serum Cortisol as a Predictor for the HPA Axis Recovery in Cushing's Disease. Int J Endocrinol 2021; 2021:4586229. [PMID: 34527048 PMCID: PMC8437621 DOI: 10.1155/2021/4586229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 08/12/2021] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND The suppressed hypothalamic-pituitary-adrenal (HPA) axis after successful surgery for Cushing's disease (CD) will recover in almost all patients. We aimed to identify the predictive factors for HPA axis recovery in CD patients with postoperative remission. Design and Methods. This observational retrospective cross-sectional study enrolled 69 CD patients with postoperative remission in Huashan Hospital from 2015 to 2019. All subjects had a detailed clinical evaluation. The low-dose ACTH stimulation test (LDT) was conducted as the gold standard for assessing the HPA axis function. RESULTS Peak cortisol in LDT was found only to be positively correlative with morning serum cortisol (MSC) (ρ=0.451, p < 0.001). The MSC was higher (p < 0.001), and the median postoperative course was significantly longer (p=0.025) in the patients with the recovered HPA axis function compared with unrecovered patients. The AUC value of MSC for predicting the recovery of the HPA axis was 0.701, and the optimal cutoff was 6.25 μg/dl (sensitivity 85.19% and specificity 47.62%). Other useful cutoff values were 10.74 μg/dl (specificity 100%) and 4.18 μg/dl (sensitivity 100%). Besides, combined with the postoperative course, the AUC values were higher than MSC alone (0.935 vs. 0.701, p < 0.001). CONCLUSIONS MSC is a viable first-step diagnostic predictor for HPA axis recovery in CD patients with postoperative remission. For the patients with cortisol levels between 4.18 and 10.74 μg/dl, a confirmatory test should be conducted. When the MSC level was 10.74 μg/dl or greater, the replacement therapy could be discontinued.
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Affiliation(s)
- Q. Cui
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
| | - D. Liu
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
| | - B. Xiang
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
| | - Q. Sun
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
| | - L. Fan
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
| | - M. He
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
| | - Y. Wang
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China
| | - X. Zhu
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
| | - H. Ye
- Department of Endocrinology and Metabolism, Huashan Hospital, Fudan University, Shanghai, China
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Cai J, Liu C, Yi M, Tan Y, Chen S, Ren N, Cheng H, Li X, Xiong W, Li G, Wu M, Wang W, Xiang B. The tumor suppressor NOR1 suppresses cell growth, invasiveness, and tumorigenicity in glioma. Neoplasma 2020; 67:851-860. [PMID: 32241159 DOI: 10.4149/neo_2020_190724n661] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Accepted: 11/13/2019] [Indexed: 11/08/2022]
Abstract
Oxidored-nitro domain-containing protein 1 (NOR1) is a tumor suppressor downregulated in various human cancers, including nasopharyngeal carcinoma (NPC), lung cancer, and testicular cancer. NOR1 protein is highly expressed in the normal brain; however, its role in brain tumors remains unknown. In this study, we demonstrated that the NOR1 protein level was decreased in glioma tissue samples as compared to its normal counterpart. Exogenously expressed NOR1 protein in glioma U251 cells inhibits tumor cell proliferation, migration, and invasion. Re-expression of NOR1 induced cell cycle S to G2 phase arrest and suppressed its tumorigenicity in nude mice. Overexpression of NOR1 in U251 cells also led to a decrease of Ki67 expression in xenografts. Transcriptomic analysis revealed that NOR1 expression altered the expression of genes favored cell proliferation. Among the differentially expressed genes, FOXR2, a member of the FOX gene family, which promotes glioma progression, was decreased in NOR1 expressing cells. The downregulation of FOXR2 by NOR1 was validated in vitro and in vivo. Our findings suggest for the first time that NOR1 suppresses glioma progression via modulating the FOXR2 expression.
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Affiliation(s)
- J Cai
- Hunan Provincial Cancer Hospital and Cancer Hospital Affiliated to Xiangya Medical School, Central South University, Changsha, China.,Cancer Research Institute, Xiangya School of Medicine, Central South University, Changsha, China
| | - C Liu
- Hunan Provincial Cancer Hospital and Cancer Hospital Affiliated to Xiangya Medical School, Central South University, Changsha, China.,Cancer Research Institute, Xiangya School of Medicine, Central South University, Changsha, China
| | - M Yi
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China
| | - Y Tan
- Department of Dermatology, Second Xiangya Hospital, Central South University, Changsha, China
| | - S Chen
- Hunan Provincial Cancer Hospital and Cancer Hospital Affiliated to Xiangya Medical School, Central South University, Changsha, China.,Cancer Research Institute, Xiangya School of Medicine, Central South University, Changsha, China
| | - N Ren
- Hunan Provincial Cancer Hospital and Cancer Hospital Affiliated to Xiangya Medical School, Central South University, Changsha, China
| | - H Cheng
- Hunan Provincial Cancer Hospital and Cancer Hospital Affiliated to Xiangya Medical School, Central South University, Changsha, China
| | - X Li
- Hunan Provincial Cancer Hospital and Cancer Hospital Affiliated to Xiangya Medical School, Central South University, Changsha, China.,Cancer Research Institute, Xiangya School of Medicine, Central South University, Changsha, China
| | - W Xiong
- Hunan Provincial Cancer Hospital and Cancer Hospital Affiliated to Xiangya Medical School, Central South University, Changsha, China.,Cancer Research Institute, Xiangya School of Medicine, Central South University, Changsha, China
| | - G Li
- Hunan Provincial Cancer Hospital and Cancer Hospital Affiliated to Xiangya Medical School, Central South University, Changsha, China.,Cancer Research Institute, Xiangya School of Medicine, Central South University, Changsha, China
| | - M Wu
- Hunan Provincial Cancer Hospital and Cancer Hospital Affiliated to Xiangya Medical School, Central South University, Changsha, China.,Cancer Research Institute, Xiangya School of Medicine, Central South University, Changsha, China
| | - W Wang
- Department of Pathology, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
| | - B Xiang
- Hunan Provincial Cancer Hospital and Cancer Hospital Affiliated to Xiangya Medical School, Central South University, Changsha, China.,Cancer Research Institute, Xiangya School of Medicine, Central South University, Changsha, China
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Shi NQ, Wang SR, Zhang Y, Huo JS, Wang LN, Cai JH, Li ZQ, Xiang B, Qi XR. Hot melt extrusion technology for improved dissolution, solubility and “spring-parachute” processes of amorphous self-micellizing solid dispersions containing BCS II drugs indomethacin and fenofibrate: Profiles and mechanisms. Eur J Pharm Sci 2019; 130:78-90. [DOI: 10.1016/j.ejps.2019.01.019] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 01/19/2019] [Accepted: 01/20/2019] [Indexed: 12/20/2022]
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Ji Y, Yang K, Peng S, Chen S, Xiang B, Xu Z, Li Y, Wang Q, Wang C, Xia C, Li L, Liu X, Lu G, Yang G, Wu H. Kaposiform haemangioendothelioma: clinical features, complications and risk factors for Kasabach-Merritt phenomenon. Br J Dermatol 2018; 179:457-463. [PMID: 29603128 PMCID: PMC11032113 DOI: 10.1111/bjd.16601] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/02/2018] [Indexed: 02/05/2023]
Abstract
BACKGROUND Few studies have reported the clinical features, complications and predictors of Kasabach-Merritt phenomenon (KMP) associated with Kaposiform haemangioendothelioma (KHE). OBJECTIVES To determine the clinical characteristics present at diagnosis and to identify features that may aid clinicians in managing KHE. METHODS We conducted a cohort study of 146 patients diagnosed with KHE. RESULTS KHE precursors or lesions were present at birth in 52·1% of patients. In 91·8% of patients, lesions developed within the first year of life. The median age at diagnosis of KHE was 2·3 months (interquartile range 1·0-6·0). The extremities were the dominant location, representing 50·7% of all KHEs. Among KHEs in the cohort, 63·0% were mixed lesions (cutaneous lesions with deep infiltration). Approximately 70% of patients showed KMP. A KHE diagnosis was delayed by ≥ 1 month in 65·7% of patients with KMP. Patients with KMP were more likely to have major complications than patients without KMP (P = 0·023). Young age (< 6 months), trunk location, large lesion size (> 5·0 cm) and mixed lesion type were associated with KMP in a univariate analysis. In the multivariate analysis, only age [odds ratio (OR) 11·9, 95% confidence interval (CI) 4·07-34·8; P < 0·001], large lesion size (OR 5·08, 95% CI 2·24-11·5; P < 0·001) and mixed lesion type (OR 2·96, 95% CI 1·23-7·13; P = 0·016) were associated with KMP. CONCLUSIONS Most KHEs appeared before 12 months of age. KHEs are associated with various major complications, which can occur in combination and develop early in the disease process. Young age, large lesion size and mixed lesion type are important predictors of KMP.
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Affiliation(s)
- Y Ji
- Division of Oncology, Department of Pediatric Surgery, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - K Yang
- Division of Oncology, Department of Pediatric Surgery, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - S Peng
- Division of Oncology, Department of Pediatric Surgery, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - S Chen
- Pediatric Intensive Care Unit, Department of Critical Care Medicine, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - B Xiang
- Division of Oncology, Department of Pediatric Surgery, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Z Xu
- Division of Oncology, Department of Pediatric Surgery, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Y Li
- Division of Oncology, Department of Pediatric Surgery, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Q Wang
- Division of Oncology, Department of Pediatric Surgery, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - C Wang
- Division of Oncology, Department of Pediatric Surgery, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - C Xia
- Department of Radiology, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - L Li
- Laboratory of Pathology, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - X Liu
- Department of Vascular and Interventional Radiology, Chengdu Women and Children's Central Hospital, Chengdu, 610031, China
| | - G Lu
- Pediatric Intensive Care Unit, West China Second University Hospital, Sichuan University, Chengdu, 610041, China
| | - G Yang
- Division of Oncology, Department of Pediatric Surgery, West China Hospital of Sichuan University, Chengdu, 610041, China
- Department of Pediatric Surgery, Chengdu Shangjin Nanhu Hospital, Chengdu, 611730, China
| | - H Wu
- Vascular Biology Program and Department of Surgery, Boston Children's Hospital, Harvard Medical School, Boston, MA, 02115, U.S.A
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Ji J, Liu T, Xiang B, Liu Z, Jia Y, Lian Y, Lin Z, Xu F, Liu W, Zhu H, Niu T, Pan L, Gong Y, Chang H, Huang J, Wu Y, Li J, He C, Xie L, Ma H, Tang Y, Guo Y, Kuang P, Dong T. A MULTI-CENTER STUDY OF GLIDE CHEMOTHERAPY CONSOLIDATED WITH AUTOLOGOUS STEM CELL TRANSPLANTATION FOR NEWLY DIAGNOSED STAGE IV AND RELAPSED EXTRANODAL NATURAL KILLER/T-CELL LYMPHOMA PATIENTS. Hematol Oncol 2017. [DOI: 10.1002/hon.2438_105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- J. Ji
- Hematology; West China Hospital of Sichuan University; Chengdu China
| | - T. Liu
- Hematology; West China Hospital of Sichuan University; Chengdu China
| | - B. Xiang
- Hematology; West China Hospital of Sichuan University; Chengdu China
| | - Z. Liu
- Hematology; West China Hospital of Sichuan University; Chengdu China
| | - Y. Jia
- Hematology; West China Hospital of Sichuan University; Chengdu China
| | - Y. Lian
- Hematology; Chengdu First People's Hospital; Chengdu China
| | - Z. Lin
- Hematology; Affiliated Hospital & Clinical Medical College of Chengdu University; Chengdu China
| | - F. Xu
- Hematology; Mianyang Central Hospital; Mianyang China
| | - W. Liu
- Pathology; West China Hospital of Sichuan University; Chengdu China
| | - H. Zhu
- Hematology; West China Hospital of Sichuan University; Chengdu China
| | - T. Niu
- Hematology; West China Hospital of Sichuan University; Chengdu China
| | - L. Pan
- Hematology; West China Hospital of Sichuan University; Chengdu China
| | - Y. Gong
- Hematology; West China Hospital of Sichuan University; Chengdu China
| | - H. Chang
- Hematology; West China Hospital of Sichuan University; Chengdu China
| | - J. Huang
- Hematology; West China Hospital of Sichuan University; Chengdu China
| | - Y. Wu
- Hematology; West China Hospital of Sichuan University; Chengdu China
| | - J. Li
- Hematology; West China Hospital of Sichuan University; Chengdu China
| | - C. He
- Hematology; West China Hospital of Sichuan University; Chengdu China
| | - L. Xie
- Hematology; West China Hospital of Sichuan University; Chengdu China
| | - H. Ma
- Hematology; West China Hospital of Sichuan University; Chengdu China
| | - Y. Tang
- Hematology; West China Hospital of Sichuan University; Chengdu China
| | - Y. Guo
- Hematology; West China Hospital of Sichuan University; Chengdu China
| | - P. Kuang
- Hematology; West China Hospital of Sichuan University; Chengdu China
| | - T. Dong
- Hematology; West China Hospital of Sichuan University; Chengdu China
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22
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Xiang B, Jia XL, Qi JL, Yang LP, Sun WH, Yan X, Yang SK, Cao DY, Du Q, Qi XR. Enhancing siRNA-based cancer therapy using a new pH-responsive activatable cell-penetrating peptide-modified liposomal system. Int J Nanomedicine 2017; 12:2385-2405. [PMID: 28405163 PMCID: PMC5378471 DOI: 10.2147/ijn.s129574] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
As a potent therapeutic agent, small interfering RNA (siRNA) has been exploited to silence critical genes involved in tumor initiation and progression. However, development of a desirable delivery system is required to overcome the unfavorable properties of siRNA such as its high degradability, molecular size, and negative charge to help increase its accumulation in tumor tissues and promote efficient cellular uptake and endosomal/lysosomal escape of the nucleic acids. In this study, we developed a new activatable cell-penetrating peptide (ACPP) that is responsive to an acidic tumor microenvironment, which was then used to modify the surfaces of siRNA-loaded liposomes. The ACPP is composed of a cell-penetrating peptide (CPP), an acid-labile linker (hydrazone), and a polyanionic domain, including glutamic acid and histidine. In the systemic circulation (pH 7.4), the surface polycationic moieties of the CPP (polyarginine) are "shielded" by the intramolecular electrostatic interaction of the inhibitory domain. When exposed to a lower pH, a common property of solid tumors, the ACPP undergoes acid-catalyzed breakage at the hydrazone site, and the consequent protonation of histidine residues promotes detachment of the inhibitory peptide. Subsequently, the unshielded CPP would facilitate the cellular membrane penetration and efficient endosomal/lysosomal evasion of liposomal siRNA. A series of investigations demonstrated that once exposed to an acidic pH, the ACPP-modified liposomes showed elevated cellular uptake, downregulated expression of polo-like kinase 1, and augmented cell apoptosis. In addition, favorable siRNA avoidance of the endosome/lysosome was observed in both MCF-7 and A549 cells, followed by effective cytoplasmic release. In view of its acid sensitivity and therapeutic potency, this newly developed pH-responsive and ACPP-mediated liposome system represents a potential platform for siRNA-based cancer treatment.
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Affiliation(s)
- Bai Xiang
- Department of Pharmaceutics, School of Pharmaceutical Sciences
| | - Xue-Li Jia
- Department of Pharmaceutics, School of Pharmaceutical Sciences
| | - Jin-Long Qi
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, Hebei
| | - Li-Ping Yang
- Department of Pharmaceutics, School of Pharmaceutical Sciences
| | - Wei-Hong Sun
- Department of Pharmaceutics, School of Pharmaceutical Sciences
| | - Xiao Yan
- Department of Pharmaceutics, School of Pharmaceutical Sciences
| | - Shao-Kun Yang
- Department of Pharmaceutics, School of Pharmaceutical Sciences
| | - De-Ying Cao
- Department of Pharmaceutics, School of Pharmaceutical Sciences
| | - Qing Du
- Department of Pharmaceutics, School of Pharmaceutical Sciences
| | - Xian-Rong Qi
- School of Pharmaceutical Sciences, Peking University, Beijing, China
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23
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Yang Z, Li M, Hu X, Xiang B, Deng W, Wang Q, Wang Y, Zhao L, Ma X, Sham PC, Northoff G, Li T. Rare damaging variants in DNA repair and cell cycle pathways are associated with hippocampal and cognitive dysfunction: a combined genetic imaging study in first-episode treatment-naive patients with schizophrenia. Transl Psychiatry 2017; 7:e1028. [PMID: 28195569 PMCID: PMC5438026 DOI: 10.1038/tp.2016.291] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 11/13/2016] [Accepted: 11/27/2016] [Indexed: 02/05/2023] Open
Abstract
Schizophrenia is a complex neurodevelopmental disorder where changes in both hippocampus and memory-related cognitive functions are central. However, the exact relationship between neurodevelopmental-genetic factors and hippocampal-cognitive dysfunction remains unclear. The general aim of our study is to link the occurrence of rare damaging mutations involved in susceptibility gene pathways to the structure and function of hippocampus in order to define genetically and phenotypically based subgroups in schizophrenia. In the present study, by analyzing the exome sequencing and magnetic resonance imaging data in 94 first-episode treatment-naive schizophrenia patients and 134 normal controls, we identified that a cluster of rare damaging variants (RDVs) enriched in DNA repair and cell cycle pathways was present only in a subgroup including 39 schizophrenic patients. Furthermore, we found that schizophrenic patients with this RDVs show increased resting-state functional connectivity (rsFC) between left hippocampus (especially for left dentate gyrus) and left inferior parietal cortex, as well as decreased rsFC between left hippocampus and cerebellum. Moreover, abnormal rsFC was related to the deficits of spatial working memory (SWM; that is known to recruit the hippocampus) in patients with the RDVs. Taken together, our data demonstrate for the first time, to our knowledge, that damaging rare variants of genes in DNA repair and cell cycle pathways are associated with aberrant hippocampal rsFC, which was further relative to cognitive deficits in first-episode treatment-naive schizophrenia. Therefore, our data provide some evidence for the occurrence of phenotypic alterations in hippocampal and SWM function in a genetically defined subgroup of schizophrenia.
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Affiliation(s)
- Z Yang
- The State Key Laboratory of Biotherapy, Psychiatric Laboratory, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - M Li
- The State Key Laboratory of Biotherapy, Psychiatric Laboratory, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- The Mental Health Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - X Hu
- Biobank, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - B Xiang
- The State Key Laboratory of Biotherapy, Psychiatric Laboratory, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - W Deng
- The State Key Laboratory of Biotherapy, Psychiatric Laboratory, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- The Mental Health Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Q Wang
- The State Key Laboratory of Biotherapy, Psychiatric Laboratory, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- The Mental Health Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Y Wang
- The State Key Laboratory of Biotherapy, Psychiatric Laboratory, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - L Zhao
- The State Key Laboratory of Biotherapy, Psychiatric Laboratory, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - X Ma
- The State Key Laboratory of Biotherapy, Psychiatric Laboratory, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- The Mental Health Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - P C Sham
- Centre for Genomic Sciences and Department of Psychiatry, University of Hong Kong, Pokfulam, China
| | - G Northoff
- Institute of Mental Health Research, University of Ottawa, Ottawa, ON, Canada
| | - T Li
- The State Key Laboratory of Biotherapy, Psychiatric Laboratory, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- The Mental Health Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
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24
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Abstract
Autotransplantation of the submandibular gland is a potential treatment for severe kerato-conjunctivitis sicca. However, one of the major barriers to this procedure is that secretions from the transplanted gland decrease shortly after the operation, which may lead to obstruction of Wharton’s duct, or even to transplantation failure. Using a rabbit model, we investigated whether phenylephrine could improve the secretion from the transplanted gland. We found that phenylephrine treatment significantly reversed the decrease in salivary secretion after transplantation, enhanced the expressions of α1A-, α1B-, and α1D-adrenoceptor mRNA, and ameliorated atrophy of acinar cells. Furthermore, phenylephrine also induced translocation of aquaporin-5 from the cytoplasm to the apical membrane, and increased the levels of phospho-ERK1/2, ERK1/2, phospho-PKCζ, and PKCζ in the transplanted gland. These results indicate that phenylephrine treatment moderates structural injury and improves secretory function in the transplanted submandibular gland through promoting α1-adrenoceptor expression and post-receptor signal transduction.
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Affiliation(s)
- B Xiang
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Zhong Guan Cun South St. 22, 100081, Beijing, PRC
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25
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Martinez JM, Alekseev A, Sborchia C, Choi C, Utin Y, Jun C, Terasawa A, Popova E, Xiang B, Sannazaro G, Lee A, Martin A, Teissier P, Sabourin F, Caixas J, Fernandez E, Zarzalejos J, Kim HS, Kim Y, Privalova E, Du S, Wang S, Albin V, Gaucher T, Borrelly S, Cambazar M, Sfarni S. ITER vacuum vessel structural analysis completion during manufacturing phase. Fusion Engineering and Design 2016. [DOI: 10.1016/j.fusengdes.2016.02.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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26
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Ji J, Xiang B, Liu ZG, Jia YQ, Zhu HL, Niu T, Pan L, Chang H, Huang J, Wu Y, Li JJ, He C, Ma HB, Tang Y, Dong T, Liu T. [Efficacy of GLIDE chemotherapy for patients with newly diagnosed advanced-stage or relapsed/refractory extranodal natural killer cell lymphoma]. Zhonghua Xue Ye Xue Za Zhi 2016; 37:751-755. [PMID: 27719716 PMCID: PMC7342113 DOI: 10.3760/cma.j.issn.0253-2727.2016.09.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
目的 研究GLIDE(吉西他滨、门冬酰胺酶、异环磷酰胺、地塞米松、依托泊苷)方案治疗初发进展期及复发难治性结外鼻型NK/T细胞淋巴瘤(ENKL)患者的有效性及安全性。 方法 纳入2010年3月至2016年3月收治的初发进展期及复发难治性ENKL患者42例,给予GLIDE方案化疗,中位疗程数为3(2~6)个,评估化疗结束后缓解率及早期(2个疗程后)缓解率,采用Kaplan-Meier方法统计无进展生存(PFS)及总生存(OS),同时采用Cox回归方法进行多因素分析,寻找影响患者PFS及OS的独立预后因素。 结果 31例(73.8%)患者达到完全缓解(CR),其中22例(52.4%)为早期CR,31例CR患者中14例接受序贯自体造血干细胞移植(ASCT)。1年PFS与OS率分别为65.6%和82.7%,4年PFS与OS率分别为48.2%和63.1%,中位OS时间未达到,中位PFS时间为30.5个月。多因素分析提示美国东部肿瘤协作组体能状态评分(ECOG评分)0~1分以及CR后序贯ASCT为减少复发、延长患者生存的有利因素。 结论 GLIDE方案能够有效治疗初发进展期及复发难治性ENKL, ECOG评分0~1分及CR后序贯ASCT治疗是患者获得较长PFS和OS时间的独立预后因素。
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Affiliation(s)
- J Ji
- Department of Hematology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
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27
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Abstract
Purpose: We determined whether reperfusion damage was sufficient to allow extravasation of a large molecular weight contrast agent into infarcted pig myocardium. Material and Methods: Five pig hearts were subjected to in situ occlusion of the left anterior descending coronary artery (2 h) followed by reperfusion (1 h). The hearts were excised and perfused in the Langendorff mode for ex vivo MR imaging. Polylysine-Gd-DTPA (50,000 Da) and Gd-DTPA (500-700 Da) were injected into the aorta (alternately) and followed by measurements of T1 relaxation and mean transit time (MTT). Results: In the normal myocardium, MTT of Gd-DTPA (56.8±23.2 s) was significantly ( p=0.02) longer than that of polylysine-Gd-DTPA (29.0±7 s). However, both normal and infarcted myocardium showed similar MTT (29.0±7.0 vs. 28.0±5.0 s, p>0.05) when using polylysine-Gd-DTPA. Conclusion: The results indicate that the permeability of capillaries to polylysine-Gd-DTPA was not significantly higher in infarcted regions of the myocardium compared to normal tissue. However, infarcted myocardium displayed an increased permeability to the small molecular weight Gd-DTPA. We conclude that microvascular damage may not be sufficient to allow the extravasation of polylysine-Gd-DTPA in infarcted myocardium.
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Affiliation(s)
- J Mark
- Institute for Biodiagnostics, National Research Council Canada, Winnipeg, MB, Canada
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28
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Wang Q, Cheng W, Li M, Ren H, Hu X, Deng W, Ma X, Zhao L, Wang Y, Xiang B, Wu HM, Sham PC, Feng J, Li T. The CHRM3 gene is implicated in abnormal thalamo-orbital frontal cortex functional connectivity in first-episode treatment-naive patients with schizophrenia. Psychol Med 2016; 46:1523-1534. [PMID: 26959877 DOI: 10.1017/s0033291716000167] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
BACKGROUND The genetic influences in human brain structure and function and impaired functional connectivities are the hallmarks of the schizophrenic brain. To explore how common genetic variants affect the connectivities in schizophrenia, we applied genome-wide association studies assaying the abnormal neural connectivities in schizophrenia as quantitative traits. METHOD We recruited 161 first-onset and treatment-naive patients with schizophrenia and 150 healthy controls. All the participants underwent scanning with a 3 T-magnetic resonance imaging scanner to acquire structural and functional imaging data and genotyping using the HumanOmniZhongHua-8 BeadChip. The brain-wide association study approach was employed to account for the inherent modular nature of brain connectivities. RESULTS We found differences in four abnormal functional connectivities [left rectus to left thalamus (REC.L-THA.L), left rectus to right thalamus (REC.L-THA.R), left superior orbital cortex to left thalamus (ORBsup.L-THA.L) and left superior orbital cortex to right thalamus (ORBsup.L-THA.R)] between the two groups. Univariate single nucleotide polymorphism (SNP)-based association revealed that the SNP rs6800381, located nearest to the CHRM3 (cholinergic receptor, muscarinic 3) gene, reached genomic significance (p = 1.768 × 10-8) using REC.L-THA.R as the phenotype. Multivariate gene-based association revealed that the FAM12A (family with sequence similarity 12, member A) gene nearly reached genomic significance (nominal p = 2.22 × 10-6, corrected p = 0.05). CONCLUSIONS Overall, we identified the first evidence that the CHRM3 gene plays a role in abnormal thalamo-orbital frontal cortex functional connectivity in first-episode treatment-naive patients with schizophrenia. Identification of these genetic variants using neuroimaging genetics provides insights into the causes of variability in human brain development, and may help us determine the mechanisms of dysfunction in schizophrenia.
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Affiliation(s)
- Q Wang
- Mental Health Center,West China Hospital,Sichuan University,Chengdu,Sichuan,People's Republic of China
| | - W Cheng
- Centre for Computational Systems Biology,Fudan University,Shanghai,People's Republic of China
| | - M Li
- State Key Laboratory of Brain and Cognitive Sciences,Centre for Genomic Sciences and Department of Psychiatry,University of Hong Kong,Pokfulam,S.A.R.China
| | - H Ren
- Mental Health Center,West China Hospital,Sichuan University,Chengdu,Sichuan,People's Republic of China
| | - X Hu
- Biobank,West China Hospital,Sichuan University,Chengdu,Sichuan,People's Republic of China
| | - W Deng
- Mental Health Center,West China Hospital,Sichuan University,Chengdu,Sichuan,People's Republic of China
| | - X Ma
- State Key Laboratory of Biotherapy, Psychiatric Laboratory,West China Hospital,Sichuan University,Chengdu, Sichuan,People's Republic of China
| | - L Zhao
- State Key Laboratory of Biotherapy, Psychiatric Laboratory,West China Hospital,Sichuan University,Chengdu, Sichuan,People's Republic of China
| | - Y Wang
- State Key Laboratory of Biotherapy, Psychiatric Laboratory,West China Hospital,Sichuan University,Chengdu, Sichuan,People's Republic of China
| | - B Xiang
- Mental Health Center,West China Hospital,Sichuan University,Chengdu,Sichuan,People's Republic of China
| | - H-M Wu
- State Key Laboratory of Brain and Cognitive Sciences,Centre for Genomic Sciences and Department of Psychiatry,University of Hong Kong,Pokfulam,S.A.R.China
| | - P C Sham
- State Key Laboratory of Brain and Cognitive Sciences,Centre for Genomic Sciences and Department of Psychiatry,University of Hong Kong,Pokfulam,S.A.R.China
| | - J Feng
- Centre for Computational Systems Biology,Fudan University,Shanghai,People's Republic of China
| | - T Li
- Mental Health Center,West China Hospital,Sichuan University,Chengdu,Sichuan,People's Republic of China
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29
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Yang SK, Yan X, Sun WH, Du Q, Xiang B, Cao DY, Qi XR. [Activatable cell-penetrating peptides: a potential activatable modality for diseases diagnosis and therapy]. Yao Xue Xue Bao 2016; 51:529-535. [PMID: 29859520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Cell-penetrating peptides are composed of positively-charged amino acids that can mediate molecules or nano-carriers across cell membranes. However, most of the known cell-penetrating peptides have no cell- or tissue-specificity, with affinity to almost all types of cells in internalization. The non-specificity of cell-penetrating peptides is a significant obstacle in the application to targeted delivery of imaging probes and therapeutic agents. Accordingly, many studies focused on selective switching of systemically-delivered inert cell-penetrating peptides into active forms in diseased tissues. Tsien groups introduced the concept of activatable cell-penetrating peptides in 2004. Subsequently, a growing number of similar delivery systems(molecular or nano-sized) have been documented, and the sensitive factors have included enzyme, lower p H, light and exogenous component. In this paper, we make an overview of the development of activatable delivery system in recent years.
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30
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White CW, Lillico R, Sandha J, Hasanally D, Wang F, Ambrose E, Müller A, Rachid O, Li Y, Xiang B, Le H, Messer S, Ali A, Large SR, Lee TW, Dixon IMC, Lakowski TM, Simons K, Arora RC, Tian G, Nagendran J, Hryshko LV, Freed DH. Physiologic Changes in the Heart Following Cessation of Mechanical Ventilation in a Porcine Model of Donation After Circulatory Death: Implications for Cardiac Transplantation. Am J Transplant 2016; 16:783-93. [PMID: 26663659 DOI: 10.1111/ajt.13543] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2015] [Revised: 08/31/2015] [Accepted: 09/18/2015] [Indexed: 01/25/2023]
Abstract
Hearts donated following circulatory death (DCD) may represent an additional source of organs for transplantation; however, the impact of donor extubation on the DCD heart has not been well characterized. We sought to describe the physiologic changes that occur following withdrawal of life-sustaining therapy (WLST) in a porcine model of DCD. Physiologic changes were monitored continuously for 20 min following WLST. Ventricular pressure, volume, and function were recorded using a conductance catheter placed into the right (N = 8) and left (N = 8) ventricles, and using magnetic resonance imaging (MRI, N = 3). Hypoxic pulmonary vasoconstriction occurred following WLST, and was associated with distension of the right ventricle (RV) and reduced cardiac output. A 120-fold increase in epinephrine was subsequently observed that produced a transient hyperdynamic phase; however, progressive RV distension developed during this time. Circulatory arrest occurred 7.6±0.3 min following WLST, at which time MRI demonstrated an 18±7% increase in RV volume and a 12±9% decrease in left ventricular volume compared to baseline. We conclude that hypoxic pulmonary vasoconstriction and a profound catecholamine surge occur following WLST that result in distension of the RV. These changes have important implications on the resuscitation, preservation, and evaluation of DCD hearts prior to transplantation.
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Affiliation(s)
- C W White
- Cardiac Surgery, University of Manitoba, Winnipeg, Canada.,Institute of Cardiovascular Sciences, St. Boniface Research Center, Winnipeg, Canada
| | - R Lillico
- College of Pharmacy, University of Manitoba, Winnipeg, Canada
| | - J Sandha
- Faculty of Medicine, University of Alberta, Edmonton, Canada
| | - D Hasanally
- Institute of Cardiovascular Sciences, St. Boniface Research Center, Winnipeg, Canada
| | - F Wang
- National Research Council Institute for Biodiagnostics, Winnipeg, Canada
| | - E Ambrose
- Institute of Cardiovascular Sciences, St. Boniface Research Center, Winnipeg, Canada
| | - A Müller
- Department of Physiology, University of Alberta, Edmonton, Canada
| | - O Rachid
- College of Pharmacy, University of Manitoba, Winnipeg, Canada
| | - Y Li
- Institute of Cardiovascular Sciences, St. Boniface Research Center, Winnipeg, Canada
| | - B Xiang
- National Research Council Institute for Biodiagnostics, Winnipeg, Canada
| | - H Le
- Institute of Cardiovascular Sciences, St. Boniface Research Center, Winnipeg, Canada
| | - S Messer
- Papworth Hospital, Cambridge, United Kingdom
| | - A Ali
- Papworth Hospital, Cambridge, United Kingdom
| | - S R Large
- Papworth Hospital, Cambridge, United Kingdom
| | - T W Lee
- Anesthesia and Perioperative Medicine, University of Manitoba, Winnipeg, Canada
| | - I M C Dixon
- Institute of Cardiovascular Sciences, St. Boniface Research Center, Winnipeg, Canada
| | - T M Lakowski
- College of Pharmacy, University of Manitoba, Winnipeg, Canada
| | - K Simons
- College of Pharmacy, University of Manitoba, Winnipeg, Canada
| | - R C Arora
- Cardiac Surgery, University of Manitoba, Winnipeg, Canada.,Institute of Cardiovascular Sciences, St. Boniface Research Center, Winnipeg, Canada
| | - G Tian
- National Research Council Institute for Biodiagnostics, Winnipeg, Canada
| | - J Nagendran
- Cardiac Surgery, University of Alberta, Edmonton, Canada
| | - L V Hryshko
- Institute of Cardiovascular Sciences, St. Boniface Research Center, Winnipeg, Canada
| | - D H Freed
- Cardiac Surgery, University of Manitoba, Winnipeg, Canada.,Institute of Cardiovascular Sciences, St. Boniface Research Center, Winnipeg, Canada.,Department of Physiology, University of Alberta, Edmonton, Canada.,Cardiac Surgery, University of Alberta, Edmonton, Canada.,Department of Biomedical Engineering, University of Alberta, Edmonton, Canada
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31
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Gupta R, Budzik R, Xiang B, English J, Baxter B, Ge S, Veznedaroglu E. O-005 preliminary results of the trevo retriever registry. J Neurointerv Surg 2015. [DOI: 10.1136/neurintsurg-2015-011917.5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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32
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Jin P, Xiang B, Huang G, Zhou Z. The association of cytotoxic T-lymphocyte antigen-4 + 49A/G and CT60 polymorphisms with type 1 diabetes and latent autoimmune diabetes in Chinese adults. J Endocrinol Invest 2015; 38:149-54. [PMID: 25185645 DOI: 10.1007/s40618-014-0162-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2014] [Accepted: 08/11/2014] [Indexed: 11/25/2022]
Abstract
OBJECTIVE The aim of this study was to investigate the association of cytotoxic T-lymphocyte antigen-4 (CTLA-4) + 49A/G and CT60 polymorphisms with latent autoimmune diabetes in adults (LADA) and the genetic differences between LADA, type 1 diabetes (T1DM), and type 2 diabetes (T2DM) in a Chinese population. SUBJECTS A total of 231 LADA, 402 T1DM, and 330 T2DM patients as well as 482 nondiabetic controls were recruited in the study. METHODS CTLA-4 + 49A/G and CT60 polymorphisms were analyzed by polymerase chain reaction restriction fragment length polymorphism (PCR-RFLP). The level of glutamic acid decarboxylase antibodies (GADAs) was detected by a radioligand binding assay. RESULTS The CTLA-4 + 49A/G risk genotype GG was most frequent in T1DM patients (45.3%), followed by LADA patients (44.2%) and T2DM patients (38.8%). Significantly higher frequencies of the risk genotype GG were observed in the T1DM (OR = 1.532, 95% CI 1.168-2.010, P = 0.002) and LADA patients (OR = 1.464, 95% CI 1.063-2.017, P = 0.019). The frequencies of the CTLA-4 CT60 risk genotype GG were 65.2, 61.9, 58.5, and 56.4% in the T1DM, LADA, T2DM, and control groups, respectively. The CTLA-4 CT60 GG risk genotypes were only associated with T1DM (OR = 1.445, 95% CI 1.1-1.898, P = 0.008). Compared with controls, patients having a high titer of GADA (GADA ≥ 180 IU/ml) had higher frequencies of the GG risk genotype of CTLA-4 + 49 A/G (49.4% vs. 35.1% OR = 1.807, 95% CI 1.125-2.903, P = 0.014), but there was no difference between patients having a low titer of GADA and controls. CONCLUSION The CTLA-4 + 49 A/G polymorphism confers genetic susceptibility to LADA and T1DM, while the CTLA-4 CT60 polymorphism is only associated with T1DM in Chinese population. The CTLA-4 + 49 A/G genotype distribution in LADA is associated with the GADA level.
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Affiliation(s)
- P Jin
- Department of Endocrinology, Diabetes Center, Institute of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
- Department of Endorcrinology, The Third Xiangya Hospital, Central South University, Changsha, 410007, Hunan, People's Republic of China
| | - B Xiang
- Department of Endocrinology, Diabetes Center, Institute of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - G Huang
- Department of Endocrinology, Diabetes Center, Institute of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Z Zhou
- Department of Endocrinology, Diabetes Center, Institute of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China.
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He F, Cao L, Zhang XJ, Xiang B, Cao DY, Qi XR. [The application of enzyme-sensitive activatable cell-penetrating peptides to targeted delivery system]. Yao Xue Xue Bao 2015; 50:141-147. [PMID: 25975019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Cell-penetrating peptides (CPPs) offer a non-selective and receptor-independent mode to promote cellular uptake. Although the non-specificity of CPP-mediated internalization allows this approach applicable to a wide range of tumor types potentially, their universality is a significant obstacle to their clinical utility for targeted delivery of cancer therapeutics and imaging agents. Accordingly, many reports have focused on selective switching of systemically delivered inert CPPs into their active form in lesions (tumor). In this review, our attention is mainly confined to such an enzyme-sensitive domain incorporated delivery system with activatable CPPs (ACPPs), which have displayed the exciting strength in balancing the CPPs' pros and cons, and potential in the treatment and diagnosis of some diseases.
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Ji Y, Chen S, Xu C, Li L, Xiang B. The use of propranolol in the treatment of infantile haemangiomas: an update on potential mechanisms of action. Br J Dermatol 2014; 172:24-32. [PMID: 25196392 DOI: 10.1111/bjd.13388] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/30/2014] [Indexed: 02/05/2023]
Abstract
Currently, propranolol is the preferred treatment for problematic proliferating infantile haemangiomas (IHs). The rapid action of propranolol has been shown to be especially dramatic in IHs involving dyspnoea, haemodynamic compromise, palpebral occlusion or ulceration. Another remarkable aspect of propranolol treatment revealed that the growth of the IHs was not only stabilized, but also that the improvement continued until complete involution was achieved, leading to a considerable shortening of the natural course of IH. However, the mechanisms underlying the effects of propranolol have not been fully elucidated. Recent studies have offered evidence of a variety of mechanisms. These include the promotion of pericyte-mediated vasoconstriction, the inhibition of vasculogenesis and catecholamine-induced angiogenesis, the disruption of haemodynamic force-induced cell survival, and the inactivation of the renin-angiotensin system. This review summarizes these mechanisms and the new concepts that are emerging in this area of research. Moreover, several molecular mechanisms by which propranolol may modify neovascularization in IH have also been proposed. The antihaemangioma effect of propranolol may not be attributable to a single mechanism, but rather to a combination of events that have not yet been elucidated or understood. Further studies are needed to evaluate and verify these mechanisms to gain a greater understanding of the effects of the intake of propranolol on haemangioma involution.
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Affiliation(s)
- Y Ji
- Division of Oncology, Department of Pediatric Surgery, West China Hospital of Sichuan University, Chengdu, 610041, China
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35
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Yang Z, Xiang B, Dong D, Wang Z, Li J, Qi X. Dual Receptor-Specific Peptides Modified Liposomes as VEGF siRNA Vector for Tumor-Targeting Therapy. Curr Gene Ther 2014; 14:289-99. [DOI: 10.2174/1566523214666140612151726] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Revised: 05/09/2014] [Accepted: 05/09/2014] [Indexed: 11/22/2022]
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36
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Chi C, Xiang B, Deng JX, Lin HY, Natarajan K, Lin F, Liu HY, Freed DH, Arora RC, Tian GH. 286Cardioprotective potential of subcutaneous and visceral adipose-derived stem cells. Cardiovasc Res 2014. [DOI: 10.1093/cvr/cvu086.3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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37
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Chao C, Xiang B, Deng JX, Lin HY, Natarajan K, Lin F, Liu HY, Freed DH, Arora RC, Tian GH. P589Mediastinal adipose stem cells improve contractile function of failing hearts. Cardiovasc Res 2014. [DOI: 10.1093/cvr/cvu098.19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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38
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Xiang B. EPA-0090 – Cognitive and mri brain morphometric correlates with comt gene val158met polymorphism in first-episode treatment-naïve patients with schizophrenia. Eur Psychiatry 2014. [DOI: 10.1016/s0924-9338(14)77579-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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39
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Zhang L, Cao DY, Wang J, Xiang B, Dun JN, Fang Y, Xue GQ. PEG-coated irinotecan cationic liposomes improve the therapeutic efficacy of breast cancer in animals. Eur Rev Med Pharmacol Sci 2013; 17:3347-3361. [PMID: 24379067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
BACKGROUND Breast cancer is the most frequently diagnosed cancer and the leading cause of cancer death among females owing. AIM This study aimed to construct a kind of PEG-coated irinotecan cationic liposomes for investigating its efficacy and mechanism of action in the treatment of breast cancer in preclinical models. MATERIALS AND METHODS Evaluations were performed on the MDA-MB231 breast cancer cells, the xenografted MDA-MB231 cancer cells in Female nude mice and Sprague-Dawley (SD) rat. The liposomes were characterized through assays of cytotoxicity, intracellular uptake, nuclei morphology, antitumor activities, pharmacokinetics and tissue distribution. RESULTS The zeta potential of PEG-coated irinotecan cationic liposomes was approximately 23 mV. The PEG-coated irinotecan cationic liposomes were approximately 66nm in diameter, significantly increased the intracellular uptake of irinotecan, and showed strong inhibitory effect on MDA-MB231 breast cancer cells. A significant antitumor efficacy in the xenografted MDA-MB231 breast cancer cells in nude mice was evidenced by intravenous administration of PEG-coated irinotecan cationic liposomes. PEG-coated irinotecan cationic liposomes also improved the irinotecan blood circulation time and showed an enhanced drug concentration in tumor. CONCLUSIONS PEG-coated irinotecan cationic liposomes had significant inhibitory effect against breast cancer in vitro and in vivo, hence providing a new strategy for treating breast cancer.
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Affiliation(s)
- L Zhang
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Hebei Medical University, Research Center of Chinese Medicine Injection in Hebei Province, Shijiazhuang, China.
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40
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Chi C, Xiang B, Deng J, Liu H, Lin F, Freed D, Arora R, Tian G. Therapeutic Effects of Human Mediastinal Adipose-Derived Stem Cells for Treatment of Myocardial Infarction in Rats. Can J Cardiol 2013. [DOI: 10.1016/j.cjca.2013.07.645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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41
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White C, Mundt P, Li Y, Hasanally D, Xiang B, Klein J, Lee T, Arora R, Ravandi A, Tian G, Freed D. A Donor Whole Blood-Based Perfusate Provides Superior Preservation of Myocardial Function During Ex Vivo Heart Perfusion. Can J Cardiol 2013. [DOI: 10.1016/j.cjca.2013.07.644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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42
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Xiang B, Dong DW, Shi NQ, Gao W, Yang ZZ, Cui Y, Cao DY, Qi XR. PSA-responsive and PSMA-mediated multifunctional liposomes for targeted therapy of prostate cancer. Biomaterials 2013; 34:6976-91. [PMID: 23777916 DOI: 10.1016/j.biomaterials.2013.05.055] [Citation(s) in RCA: 94] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2013] [Accepted: 05/24/2013] [Indexed: 01/04/2023]
Abstract
In the hormone-refractory stage of prostate cancer (PC), the expression of prostate-specific antigen (PSA) and prostate-specific membrane antigen (PSMA) often remains highly active. Accumulating studies have demonstrated that these two proteins are attractive targets for specific delivery of functional molecules to advanced PC, not merely as potential sensitive markers for PC detection. In this study, we constructed a dual-modified liposome that incorporated PSA-responsive and PSMA-mediated liposomes and potentially offers double selectivity for PC. The folate moiety binds quickly to PSMA-positive tumors, and the PSA-responsive moiety is cleaved by PSA that was enriched in tumor tissues. The activated liposomes (folate and cell-penetrating peptides dual-modifications) are subsequently taken up by the tumor cells via polyarginine's penetrating effects and receptor-mediated endocytosis. To corroborate these assumptions, a series of experiments were conducted, including PSA-responsive peptide hydrolysis kinetics, cellular uptake, internalization mechanism and escape from endosomes in PC-3 and/or 22Rv1 cells, biodistribution and antitumor activity of siRNA-loaded liposomes after systemic administration, gene silencing and cell apoptosis in vitro and in vivo. The results reveal that multivalent interactions play a key role in enhancing PC cell recognition and uptake while reducing nonspecific uptake. The dual-modified liposomes carrying small interfering RNA (siRNA) have significant advantages over the control liposomes, including single-modified (folate, CPP, PSA-responsive only) and non-modified liposomes. The dual-modified liposomes elevated cellular uptake, downregulated expression of polo-like kinase 1 (PLK-1) and augmented cell apoptosis in prostate tumor cells. The entry of the dual-modified liposomes into 22Rv1 cells occurred via multiple endocytic pathways, including clathrin-mediated endocytosis and macropinocytosis, followed by an effective endosomal escape of the entrapped siRNA into the cytoplasm. In vivo studies conducted on a 22Rv1 xenograft murine model demonstrated that the dual-modified liposomes demonstrated the maximized accumulation, retention and knockdown of PLK-1 in tumor cells, as well as the strongest inhibition of tumor growth and induction of tumor cell apoptosis. In terms of targeting capacity and therapeutic potency, the combination of a PSA-responsive and PSMA-mediated liposome presents a promising platform for therapy and diagnosis of PSMA/PSA-positive PC.
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Affiliation(s)
- Bai Xiang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Haidian District, Beijing 100191, PR China
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White C, Ali A, Hasanally D, Wang F, Xiang B, Mundt P, Large S, Ravandi A, Lee T, Arora R, Tian G, Freed D. Right Ventricular Distension in Donor Hearts Following Cardiocirculatory Death: Implications for Post-Transplant Function. J Heart Lung Transplant 2013. [DOI: 10.1016/j.healun.2013.01.1003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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44
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White C, Xiang B, Mundt P, Arora R, Tian G, Freed D. Ex Vivo Heart Preservation: Impact of an Acellular Hemoglobin-Based Oxygen Carrier on Myocardial Function and Energy Metabolism. J Heart Lung Transplant 2013. [DOI: 10.1016/j.healun.2013.01.1004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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45
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Dong DW, Xiang B, Gao W, Yang ZZ, Li JQ, Qi XR. pH-responsive complexes using prefunctionalized polymers for synchronous delivery of doxorubicin and siRNA to cancer cells. Biomaterials 2013; 34:4849-59. [PMID: 23541420 DOI: 10.1016/j.biomaterials.2013.03.018] [Citation(s) in RCA: 101] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2013] [Accepted: 03/09/2013] [Indexed: 01/03/2023]
Abstract
A nanocarrier delivery system that can simultaneously deliver a chemotherapeutic drug and siRNA to the tumor is emerging as a promising treatment strategy for cancer treatment. In this study, a multifunctional PHD/PPF/siRNA complexes was developed by one-step assembly of prefunctionalized polymers: PEI-HZ-DOX (PHD) and PEI-PEG-Folate (PPF) with siRNA. The PHD, a conjugate of PEI (polyethylenimine) with doxorubicin (DOX) via a pH-responsive hydrazone linkage, enables pH-controlled drug release. The PPF, a tumor-targeting folate ligand conjugated to PEI using polyethyleneglycol (PEG) as a linker, enables immune evasion and cell-specific targeting. The prefunctionalized PHD and PPF as well as the self-assembly complexes reveals advantage on safety in further application for siRNA delivery. By exploiting distinct triple ratios of PHD, PPF and siRNA during nanocomplexes formulation, the folate surface density, DOX loading amount and siRNA complexation can be precisely and reproducibly changed. The studies showed that the complexes was capable of delivering siRNA and DOX to cancerous cells and release synchronously in cell by acid-triggered manner, i.e. hydrazone bond cleavage and endosome/lysosome escape using flow cytometry and confocal laser scanning microscopy analysis. The results highlight the potential for therapeutic gene silencing in vitro and in vivo using RT-PCR and non-invasive in vivo imaging systems. The PHD/PPF/siRNA complexes can increase DOX and siRNA accumulation in cancerous cells and decrease the nonspecific distribution in normal tissues by the combination of EPR effect of nanocarriers, pH-triggered drug release, folate-mediated targeted delivery, and synergistic action of DOX and siRNA.
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Affiliation(s)
- Da-Wen Dong
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Haidian District, Beijing 100191, PR China
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Gao W, Xiang B, Meng TT, Liu F, Qi XR. Chemotherapeutic drug delivery to cancer cells using a combination of folate targeting and tumor microenvironment-sensitive polypeptides. Biomaterials 2013; 34:4137-4149. [PMID: 23453200 DOI: 10.1016/j.biomaterials.2013.02.014] [Citation(s) in RCA: 170] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2013] [Accepted: 02/07/2013] [Indexed: 12/13/2022]
Abstract
Chemotherapeutic agents often cause severe side effects because they produce a similar cytotoxicity in both cancerous and healthy cells. In this study, a rational strategy was implemented to take advantage of a combination of both tumor microenvironment-sensitive polypeptides (TMSP) and folate to create a more selective and efficient drug delivery system to target cancer cells. TMSP and folate were conjugated to the distal ends of DSPE-PEG2000-maleimide and DSPE-PEG5000-amine to create DSPE-PEG2000-TMSP and DSPE-PEG5000-folate, respectively, which were incorporated onto the surface of a docetaxel-loaded nanostructured lipid carrier (F/TMSP-DTX-NLC). TMSP are comprised of polycationic cell-penetrating peptides (CPP) and polyanionic inhibitory peptides, which are coupled via a proteinase-sensitive cleavable linker. The linker can be cleaved in the presence of matrix metalloprotease-2 and -9 (MMP-2/9). TMSP provides the ability to enhance specific cancer cellular uptake after selectively unmasking polyanionic inhibitory peptides in MMP-2/9 protease-oversecretion tumor tissue, whereas in circulation, the penetration is shielded. The folate moiety binds selectively to folate receptor-positive tumors. The cleaved dual-modified nanocarriers are then taken up by the tumor cells via both receptor-mediated endocytosis and CPP penetrating action to overcome the higher interstitial pressure in the tumor. The nanocarrier system demonstrated a small size, high encapsulation efficiency (>95%), sustained release and targeted delivery. The strong cellular uptake and cytotoxic activity of dual-modified F/TMSP-DTX-NLC in KB, HT-1080, MCF-7 and A549 cells verified the correlation with folate receptor expression and MMP-2/9 secretion. The remarkable penetration into KB and HT-1080 multicellular tumor spheroids confirmed that the temporary mask of the polyanionic inhibitory peptide in TMSP does not disturb the penetration ability of CPP in the tumor microenvironment with abundant proteases. Furthermore, the active targeting and triggered activation exhibited higher antitumor efficacy and lower systemic toxicity with the KB tumor model in nude mice compared to the nonmodified DTX-NLC and Taxotere(®). These results suggested that the application of combined TMSP and folate modifications may be an approach in the selectively targeted delivery of anticancer drugs with low systemic toxicity.
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Affiliation(s)
- Wei Gao
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, PR China
| | - Bai Xiang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, PR China
| | - Ting-Ting Meng
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, PR China
| | - Feng Liu
- Division of Molecular Pharmaceutics, School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599-7360, USA
| | - Xian-Rong Qi
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, PR China.
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White C, Ali A, Xiang B, Colah S, Mundt P, Arora R, Lee T, Large S, Tian G, Freed D. 206 A Normokalemic Non-depolarizing Cardioplegia Minimizes Myocardial Injury And Improves Cardiac Function In A Large Animal Model Of Donation After Cardio-circulatory Death. Can J Cardiol 2012. [DOI: 10.1016/j.cjca.2012.07.203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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48
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Tong SW, Xiang B, Dong DW, Qi XR. Enhanced antitumor efficacy and decreased toxicity by self-associated docetaxel in phospholipid-based micelles. Int J Pharm 2012; 434:413-9. [DOI: 10.1016/j.ijpharm.2012.06.014] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2012] [Revised: 05/21/2012] [Accepted: 06/02/2012] [Indexed: 10/28/2022]
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49
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Feng K, Pan C, Zhang G, Luo T, Zhao Z, Chen Y, Feng Y, Ye X, Hu G, He K, Niu R, Li Z, Wang P, Xiang B, Zhang L, Wang Q, Zhao F, Cao Q, Wang F, Yuan T, Zheng G, Liu Y, Zhong Y, Zhang M. Progress on design and R&D for helium-cooled ceramic breeder TBM in China. Fusion Engineering and Design 2012. [DOI: 10.1016/j.fusengdes.2012.02.098] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Abstract
The use of activable cell-penetrating peptides (ACPPs) as molecular imaging probes is a promising new approach for the visualization of enzymes. The cell-penetrating function of a polycationic cell-penetrating peptide (CPP) is efficiently blocked by intramolecular electrostatic interactions with a polyanionic peptide. Proteolysis of a proteinase-sensitive substrate present between the CPP and polyanionic peptide affords dissociation of both domains and enables the activated CPP to enter cells. This ACPP strategy could also be used to modify antitumor agents for tumor-targeting therapy. Here, we aimed to develop a conjugate of ACPP with antitumor drug doxorubicin (DOX) sensitive to matrix metalloproteinase-2 and -9 (MMP-2/9) for tumor-targeting therapy purposes. The ACPP-DOX conjugate was successfully synthesized. Enzymatic cleavage of ACPP-DOX conjugate by matrix metalloproteinase (MMP)-2/9 indicated that the activation of ACPP-DOX occurred in an enzyme concentration–dependent manner. Flow cytometry and laser confocal microscope studies revealed that the cellular uptake of ACPP-DOX was enhanced after enzymatic-triggered activation and was higher in HT-1080 cells (overexpressed MMPs) than in MCF-7 cells (under-expressed MMPs). The antiproliferative assay showed that ACPP had little toxicity and that ACPP-DOX effectively inhibited HT-1080 cell proliferation. These experiments revealed that the ACPP-DOX conjugate could be triggered by MMP-2/9, which enabled the activated CPP-DOX to enter cells. ACPP-DOX conjugate may be a potential prodrug delivery system used to carry antitumor drugs for MMP-related tumor therapy.
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Affiliation(s)
- Nian-Qiu Shi
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Peking University, Beijing, People's Republic of China
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