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Parchebafi A, Tamanaee F, Ehteram H, Ahmad E, Nikzad H, Haddad Kashani H. The dual interaction of antimicrobial peptides on bacteria and cancer cells; mechanism of action and therapeutic strategies of nanostructures. Microb Cell Fact 2022; 21:118. [PMID: 35717207 PMCID: PMC9206340 DOI: 10.1186/s12934-022-01848-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 06/08/2022] [Indexed: 12/20/2022] Open
Abstract
Microbial infection and cancer are two leading causes of global mortality. Discovering and developing new therapeutics with better specificity having minimal side-effects and no drug resistance are of an immense need. In this regard, cationic antimicrobial peptides (AMP) with dual antimicrobial and anticancer activities are the ultimate choice. For better efficacy and improved stability, the AMPs available for treatment still required to be modified. There are several strategies in which AMPs can be enhanced through, for instance, nano-carrier application with high selectivity and specificity enables researchers to estimate the rate of drug delivery to a particular tissue. In this review we present the biology and modes of action of AMPs for both anticancer and antimicrobial activities as well as some modification strategies to improve the efficacy and selectivity of these AMPs.
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Affiliation(s)
- Atefeh Parchebafi
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Farzaneh Tamanaee
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Hassan Ehteram
- Department of Pathology, School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Ejaz Ahmad
- Department of Pathology, Michigan Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Hossein Nikzad
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Hamed Haddad Kashani
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran.
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Lemus-Conejo A, Grao-Cruces E, Toscano R, Varela LM, Claro C, Pedroche J, Millan F, Millan-Linares MC, Montserrat-de la Paz S. A lupine (Lupinus angustifolious L.) peptide prevents non-alcoholic fatty liver disease in high-fat-diet-induced obese mice. Food Funct 2021; 11:2943-2952. [PMID: 32267269 DOI: 10.1039/d0fo00206b] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Bioactive peptides are related to the prevention and treatment of many diseases. GPETAFLR is an octapeptide that has been isolated from lupine (Lupinus angustifolius L.) and shows anti-inflammatory properties. The aim of this study was to evaluate the potential activity of GPETAFLR to prevent non-alcoholic fatty liver disease (NAFLD) in high-fat-diet (HFD)-induced obese mice. C57BL/6J mice were fed a standard diet or HFD. Two of the groups fed the HFD diet were treated with GPETAFLR in drinking water at 0.5 mg kg-1 day-1 or 1 mg kg-1 day-1. To determine the ability of GPETAFLR to improve the onset and progression of non-alcoholic fatty liver disease, histological studies, hepatic enzyme profiles, inflammatory cytokine and lipid metabolism-related genes and proteins were analysed. Our results suggested that HFD-induced inflammatory metabolic disorders were alleviated by treatment with GPETAFLR. In conclusion, dietary lupine consumption can repair HFD-induced hepatic damage possibly via modifications of liver's lipid signalling pathways.
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Affiliation(s)
- Ana Lemus-Conejo
- Department of Food and Health, Instituto de la Grasa, CSIC. Ctra. de Utrera Km. 1, 41013, Seville, Spain and Department of Medical Biochemistry, Molecular Biology, and Immunology, School of Medicine, Universidad de Sevilla. Av. Dr. Fedriani 3, 41071 Seville, Spain
| | - Elena Grao-Cruces
- Department of Medical Biochemistry, Molecular Biology, and Immunology, School of Medicine, Universidad de Sevilla. Av. Dr. Fedriani 3, 41071 Seville, Spain
| | - Rocio Toscano
- Department of Food and Health, Instituto de la Grasa, CSIC. Ctra. de Utrera Km. 1, 41013, Seville, Spain and Department of Medical Biochemistry, Molecular Biology, and Immunology, School of Medicine, Universidad de Sevilla. Av. Dr. Fedriani 3, 41071 Seville, Spain
| | - Lourdes M Varela
- Institute de Biomedicine of Seville, Virgen del Rocio University Hospital/CSIC/Department of Medical Physiology and Biophysic, School of Medicine, University of Seville, Av. Dr. Fedriani 3, 41071 Seville, Spain
| | - Carmen Claro
- Department of Pharmacology, Pediatrics, and Radiology, School of Medicine, Universidad de Sevilla, Av. Dr. Fedriani 3, 41071 Seville, Spain
| | - Justo Pedroche
- Department of Food and Health, Instituto de la Grasa, CSIC. Ctra. de Utrera Km. 1, 41013, Seville, Spain
| | - Francisco Millan
- Department of Food and Health, Instituto de la Grasa, CSIC. Ctra. de Utrera Km. 1, 41013, Seville, Spain
| | - Maria C Millan-Linares
- Department of Food and Health, Instituto de la Grasa, CSIC. Ctra. de Utrera Km. 1, 41013, Seville, Spain and Cell Biology Unit, Instituto de la Grasa, CSIC. Ctra. de Utrera Km. 1, 41013, Seville, Spain.
| | - Sergio Montserrat-de la Paz
- Department of Medical Biochemistry, Molecular Biology, and Immunology, School of Medicine, Universidad de Sevilla. Av. Dr. Fedriani 3, 41071 Seville, Spain
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Ng CX, Lee SH. The Potential Use of Anticancer Peptides (ACPs) in the Treatment of Hepatocellular Carcinoma. Curr Cancer Drug Targets 2020; 20:187-196. [PMID: 31713495 DOI: 10.2174/1568009619666191111141032] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 08/22/2019] [Accepted: 09/23/2019] [Indexed: 01/19/2023]
Abstract
Peptides have acquired increasing interest as promising therapeutics, particularly as anticancer alternatives during recent years. They have been reported to demonstrate incredible anticancer potentials due to their low manufacturing cost, ease of synthesis and great specificity and selectivity. Hepatocellular carcinoma (HCC) is among the leading cause of cancer death globally, and the effectiveness of current liver treatment has turned out to be a critical issue in treating the disease efficiently. Hence, new interventions are being explored for the treatment of hepatocellular carcinoma. Anticancer peptides (ACPs) were first identified as part of the innate immune system of living organisms, demonstrating promising activity against infectious diseases. Differentiated beyond the traditional effort on endogenous human peptides, the discovery of peptide drugs has evolved to rely more on isolation from other natural sources or through the medicinal chemistry approach. Up to the present time, the pharmaceutical industry intends to conduct more clinical trials for the development of peptides as alternative therapy since peptides possess numerous advantages such as high selectivity and efficacy against cancers over normal tissues, as well as a broad spectrum of anticancer activity. In this review, we present an overview of the literature concerning peptide's physicochemical properties and describe the contemporary status of several anticancer peptides currently engaged in clinical trials for the treatment of hepatocellular carcinoma.
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Affiliation(s)
- Chu Xin Ng
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya, Malaysia
| | - Sau Har Lee
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya, Malaysia
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Effects of carboxymethyl chitosan oligosaccharide on regulating immunologic function and inhibiting tumor growth. Carbohydr Polym 2020; 250:116994. [PMID: 33049904 DOI: 10.1016/j.carbpol.2020.116994] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 08/15/2020] [Accepted: 08/23/2020] [Indexed: 02/07/2023]
Abstract
Herein, the effects of carboxymethyl chitosan oligosaccharide (CM-COS) on regulating immunologic function and inhibiting hepatocellular tumor growth were evaluated. Results showed that CM-COS caused dramatic viability loss of hepatocellular carcinoma BEL-7402 with non-toxicity towards normal liver L-02 cells. CM-COS repressed tumor growth of hepatoma-22, and elevated the spleen index and thymus index of tumor-bearing mice. Contents of VEGF and MMP-9 were significantly down-regulated by CM-COS. Histological analyses revealed that CM-COS promoted tumor cell necrosis and produced no significant toxicity to spleen tissues. Moreover, expressions of Caspase-3 in tumor tissues and IL-2 in spleen tissues were significantly activated by CM-COS. Additionally, in vitro cell viability, phagocytic capability and NO production of mouse peritoneal macrophages exposed to CM-COS were significantly higher. CM-COS remarkably increased the in vivo phagocytosing capacity of peritoneal macrophages of Kunming mice. Taken together, our findings suggested that CM-COS might be potentially effective and non-toxic candidate as anti-hepatoma agents.
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Lemus-Conejo A, Millan-Linares MDC, Toscano R, Millan F, Pedroche J, Muriana FJG, Montserrat-de la Paz S. GPETAFLR, a peptide from Lupinus angustifolius L. prevents inflammation in microglial cells and confers neuroprotection in brain. Nutr Neurosci 2020; 25:472-484. [DOI: 10.1080/1028415x.2020.1763058] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Ana Lemus-Conejo
- Plant Protein Group, Instituto de la Grasa, CSIC, Seville, Spain
- Department of Medical Biochemistry, Molecular Biology and Immunology, School of Medicine, University of Seville, Seville, Spain
- Laboratory of Cellular and Molecular Nutrition, Instituto de la Grasa, CSIC, Seville, Spain
| | | | - Rocio Toscano
- Plant Protein Group, Instituto de la Grasa, CSIC, Seville, Spain
- Department of Medical Biochemistry, Molecular Biology and Immunology, School of Medicine, University of Seville, Seville, Spain
| | - Francisco Millan
- Plant Protein Group, Instituto de la Grasa, CSIC, Seville, Spain
| | - Justo Pedroche
- Plant Protein Group, Instituto de la Grasa, CSIC, Seville, Spain
| | | | - Sergio Montserrat-de la Paz
- Department of Medical Biochemistry, Molecular Biology and Immunology, School of Medicine, University of Seville, Seville, Spain
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Lu L, Chen H, Hao D, Zhang X, Wang F. The functions and applications of A7R in anti-angiogenic therapy, imaging and drug delivery systems. Asian J Pharm Sci 2019; 14:595-608. [PMID: 32104486 PMCID: PMC7032227 DOI: 10.1016/j.ajps.2019.04.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2018] [Revised: 03/31/2019] [Accepted: 04/24/2019] [Indexed: 12/26/2022] Open
Abstract
Vascular endothelial growth factor receptor 2 (VEGFR-2) and neuropilin-1 (NRP-1) are two prominent antiangiogenic targets. They are highly expressed on vascular endothelial cells and some tumor cells. Therefore, targeting VEGFR-2 and NRP-1 may be a potential antiangiogenic and antitumor strategy. A7R, a peptide with sequence of Ala-Thr-Trp-Leu-Pro-Pro-Arg that was found by phage display of peptide libraries, can preferentially target VEGFR-2 and NRP-1 and destroy the binding between vascular endothelial growth factor 165 (VEGF165) and VEGFR-2 or NRP-1. This peptide is a new potent inhibitor of tumor angiogenesis and a targeting ligand for cancer therapy. This review describes the discovery, function and mechanism of the action of A7R, and further introduces the applications of A7R in antitumor angiogenic treatments, tumor angiogenesis imaging and targeted drug delivery systems. In this review, strategies to deliver different drugs by A7R-modified liposomes and nanoparticles are highlighted. A7R, a new dual targeting ligand of VEGFR-2 and NRP-1, is expected to have efficient therapeutic or targeting roles in tumor drug delivery.
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Affiliation(s)
- Lu Lu
- Key Laboratory of Chemical Biology (Ministry of Education), Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China
| | - Hongyuan Chen
- Department of General Surgery, Shandong University Affiliated Shandong Provincial Hospital, Jinan 250021, China
| | - Dake Hao
- Department of Surgery, UC Davis Health Medical Center, Sacramento 95817, USA
| | - Xinke Zhang
- Key Laboratory of Chemical Biology (Ministry of Education), Department of Pharmacology, School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China
| | - Fengshan Wang
- Key Laboratory of Chemical Biology (Ministry of Education), Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China
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Dong Q, Yang B, Han JG, Zhang MM, Liu W, Zhang X, Yu HL, Liu ZG, Zhang SH, Li T, Wu DD, Ji XY, Duan SF. A novel hydrogen sulfide-releasing donor, HA-ADT, suppresses the growth of human breast cancer cells through inhibiting the PI3K/AKT/mTOR and Ras/Raf/MEK/ERK signaling pathways. Cancer Lett 2019; 455:60-72. [PMID: 31042588 DOI: 10.1016/j.canlet.2019.04.031] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 04/23/2019] [Accepted: 04/25/2019] [Indexed: 12/15/2022]
Abstract
Breast cancer is one of the most frequent cancers among women worldwide. Hyaluronic acid (HA) is one of the best biopolymers in terms of safety issues and has been widely used in drug delivery and tissue engineering. 5-(4-hydroxyphenyl)-3H-1,2-dithiol-3-thione (ADT-OH) is a commonly used H2S donor. In this study, we designed and synthesized a conjugate, HA-ADT, by connecting HA with ADT-OH through chemical reactions. Our results indicated that HA-ADT could produce more H2S than NaHS and GYY4137. HA-ADT exerted more potent inhibitory effects than NaHS and GYY4137 in the proliferation, viability, migration, and invasion of human breast cancer cells. Similar trends were observed in the apoptosis and the protein levels of phospho (p)-PI3K, p-AKT, p-mTOR, H-RAS, p-RAF, p-MEK, and p-ERK in human breast cancer cells. Furthermore, HA-ADT exhibited more powerful inhibitory effects on the growth of human breast cancer xenograft tumors in nude mice. In conclusion, HA-ADT could suppress the growth of human breast cancer cells through the inhibition of the PI3K/AKT/mTOR and RAS/RAF/MEK/ERK signaling pathways. HA-ADT and its derivatives might be of great potential in the treatment of different types of cancer.
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Affiliation(s)
- Qian Dong
- Institute for Innovative Drug Design and Evaluation, School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China; Henan International Joint Laboratory for Nuclear Protein Regulation, Henan University, Kaifeng, Henan, 475004, China
| | - Bo Yang
- Institute for Innovative Drug Design and Evaluation, School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China; Henan International Joint Laboratory for Nuclear Protein Regulation, Henan University, Kaifeng, Henan, 475004, China
| | - Ju-Guo Han
- Institute for Innovative Drug Design and Evaluation, School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China; Henan International Joint Laboratory for Nuclear Protein Regulation, Henan University, Kaifeng, Henan, 475004, China
| | - Meng-Meng Zhang
- Institute for Innovative Drug Design and Evaluation, School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China; Henan International Joint Laboratory for Nuclear Protein Regulation, Henan University, Kaifeng, Henan, 475004, China
| | - Wei Liu
- Institute for Innovative Drug Design and Evaluation, School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China; Henan International Joint Laboratory for Nuclear Protein Regulation, Henan University, Kaifeng, Henan, 475004, China
| | - Xin Zhang
- Institute for Innovative Drug Design and Evaluation, School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China; Henan International Joint Laboratory for Nuclear Protein Regulation, Henan University, Kaifeng, Henan, 475004, China
| | - Hai-Lan Yu
- Institute for Innovative Drug Design and Evaluation, School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China; Henan International Joint Laboratory for Nuclear Protein Regulation, Henan University, Kaifeng, Henan, 475004, China
| | - Zheng-Guo Liu
- School of Basic Medical Sciences, Henan University College of Medicine, Kaifeng, Henan, 475004, China; Henan International Joint Laboratory for Nuclear Protein Regulation, Henan University, Kaifeng, Henan, 475004, China
| | - Shi-Hui Zhang
- Institute for Innovative Drug Design and Evaluation, School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China; Henan International Joint Laboratory for Nuclear Protein Regulation, Henan University, Kaifeng, Henan, 475004, China
| | - Tao Li
- School of Basic Medical Sciences, Henan University College of Medicine, Kaifeng, Henan, 475004, China; Henan International Joint Laboratory for Nuclear Protein Regulation, Henan University, Kaifeng, Henan, 475004, China
| | - Dong-Dong Wu
- School of Basic Medical Sciences, Henan University College of Medicine, Kaifeng, Henan, 475004, China; Henan International Joint Laboratory for Nuclear Protein Regulation, Henan University, Kaifeng, Henan, 475004, China.
| | - Xin-Ying Ji
- School of Basic Medical Sciences, Henan University College of Medicine, Kaifeng, Henan, 475004, China; Henan International Joint Laboratory for Nuclear Protein Regulation, Henan University, Kaifeng, Henan, 475004, China.
| | - Shao-Feng Duan
- Institute for Innovative Drug Design and Evaluation, School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China; Henan International Joint Laboratory for Nuclear Protein Regulation, Henan University, Kaifeng, Henan, 475004, China.
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Zhang L, Qi Y, Min H, Ni C, Wang F, Wang B, Qin H, Zhang Y, Liu G, Qin Y, Duan X, Li F, Han X, Tao N, Zhang L, Qin Z, Zhao Y, Nie G. Cooperatively Responsive Peptide Nanotherapeutic that Regulates Angiopoietin Receptor Tie2 Activity in Tumor Microenvironment To Prevent Breast Tumor Relapse after Chemotherapy. ACS NANO 2019; 13:5091-5102. [PMID: 30986342 DOI: 10.1021/acsnano.8b08142] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Expressed in macrophages and endothelial cells, the receptor for angiopoietin, tyrosine kinase with immunoglobulin and epidermal growth factor homology-2 (Tie2), is required for the reconstruction of blood vessels in tumor recurrence after chemotherapy. Thus, small therapeutic peptides that target and block Tie2 activity are promising as a therapeutic for the prevention of tumor relapse after chemotherapy. However, such small peptides often have low bioavailability, undergo rapid enzymatic degradation, and exhibit a short circulation half-life, making them ineffective in cancer therapy. Herein, we designed a dual-responsive amphiphilic peptide (mPEG1000-K(DEAP)-AAN-NLLMAAS) to modify the small peptide T4 (NLLMAAS) as a Tie2 inhibitor, endowing it with the ability to endure in circulation and specifically target tumor tissue. The ultimate nanoformulation (P-T4) releases T4 in response to the combination of the acidic tumor microenvironment and the presence of legumain, which is commonly overexpressed in tumor tissue. Compared with free T4, P-T4 decreases vessel density significantly (free T4: 2.44 ± 1.20%, P-T4: 0.90 ± 0.75%), delays tumor regrowth after chemotherapy (free T4: 43.2 ± 11.8%, P-T4: 63.6 ± 13.9%), and reduces distant metastasis formation (free T4: 4.50 ± 2.40%, P-T4: 0.67 ± 0.32%). These effects of P-T4 are produced by the local blockage of Tie2 signals in Tie2-positive macrophages and endothelial cells. In addition to describing a potential strategy to enhance circulation half-life and the accumulation of an active peptide at tumor sites, our approach exemplifies the successful targeting of multiple cell types that overexpress a key molecule in conditions associated with tumors.
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Affiliation(s)
- Lijing Zhang
- The First Affiliated Hospital , Zhengzhou University , Zhengzhou 450052 , China
| | - Yingqiu Qi
- The First Affiliated Hospital , Zhengzhou University , Zhengzhou 450052 , China
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience , National Center for Nanoscience and Technology , Beijing 100190 , China
- Center of Materials Science and Optoelectronics Engineering , University of Chinese Academy of Sciences , Beijing 100049 , China
- School of Basic Medical Sciences , Zhengzhou University , Zhengzhou , Henan 450001 , China
| | - Huan Min
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience , National Center for Nanoscience and Technology , Beijing 100190 , China
- Center of Materials Science and Optoelectronics Engineering , University of Chinese Academy of Sciences , Beijing 100049 , China
- School of Basic Medical Sciences , Zhengzhou University , Zhengzhou , Henan 450001 , China
| | - Chen Ni
- The First Affiliated Hospital , Zhengzhou University , Zhengzhou 450052 , China
| | - Fei Wang
- The First Affiliated Hospital , Zhengzhou University , Zhengzhou 450052 , China
| | - Bin Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience , National Center for Nanoscience and Technology , Beijing 100190 , China
- Center of Materials Science and Optoelectronics Engineering , University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Hao Qin
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience , National Center for Nanoscience and Technology , Beijing 100190 , China
- Center of Materials Science and Optoelectronics Engineering , University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Yinlong Zhang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience , National Center for Nanoscience and Technology , Beijing 100190 , China
- Center of Materials Science and Optoelectronics Engineering , University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Guangna Liu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience , National Center for Nanoscience and Technology , Beijing 100190 , China
- Center of Materials Science and Optoelectronics Engineering , University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Yue Qin
- Key Laboratory of Protein and Peptide Pharmaceuticals, Institute of Biophysics , Chinese Academy of Sciences , Beijing 100101 , China
| | - Xixi Duan
- The First Affiliated Hospital , Zhengzhou University , Zhengzhou 450052 , China
| | - Feng Li
- The First Affiliated Hospital , Zhengzhou University , Zhengzhou 450052 , China
| | - Xuexiang Han
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience , National Center for Nanoscience and Technology , Beijing 100190 , China
- Center of Materials Science and Optoelectronics Engineering , University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Ning Tao
- Key Laboratory of Protein and Peptide Pharmaceuticals, Institute of Biophysics , Chinese Academy of Sciences , Beijing 100101 , China
| | - Lirong Zhang
- School of Basic Medical Sciences , Zhengzhou University , Zhengzhou , Henan 450001 , China
| | - Zhihai Qin
- The First Affiliated Hospital , Zhengzhou University , Zhengzhou 450052 , China
| | - Ying Zhao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience , National Center for Nanoscience and Technology , Beijing 100190 , China
- Center of Materials Science and Optoelectronics Engineering , University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Guangjun Nie
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience , National Center for Nanoscience and Technology , Beijing 100190 , China
- Center of Materials Science and Optoelectronics Engineering , University of Chinese Academy of Sciences , Beijing 100049 , China
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Exogenous Hydrogen Sulfide Regulates the Growth of Human Thyroid Carcinoma Cells. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:6927298. [PMID: 31223424 PMCID: PMC6541980 DOI: 10.1155/2019/6927298] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 02/24/2019] [Accepted: 04/23/2019] [Indexed: 12/21/2022]
Abstract
Hydrogen sulfide (H2S) is involved in the development and progression of many types of cancer. However, the effect and mechanism of H2S on the growth of human thyroid carcinoma cells remain unknown. In the present study, we found that the proliferation, viability, migration, and invasion of human thyroid carcinoma cells were enhanced by 25–50 μM NaHS (an H2S donor) and inhibited by 200 μM NaHS. However, H2S showed no obvious effects on the proliferation, viability, and migration of human normal thyroid cells. Administration of 50 μM NaHS increased the expression levels of CBS, SQR, and TST, while 200 μM NaHS showed reverse effects in human thyroid carcinoma cells. After treatment with 25-50 μM NaHS, the ROS levels were decreased and the protein levels of p-PI3K, p-AKT, p-mTOR, H-RAS, p-RAF, p-MEK1/2, and p-ERK1/2 were increased, whereas 200 μM NaHS exerted opposite effects in human thyroid carcinoma cells. Furthermore, 1.4-2.8 mg/kg/day NaHS promoted the tumor growth and blood vessel formation in human thyroid carcinoma xenograft tumors, while 11.2 mg/kg/day NaHS inhibited the tumor growth and angiogenesis. In conclusion, our results demonstrate that exogenous H2S regulates the growth of human thyroid carcinoma cells through ROS/PI3K/Akt/mTOR and RAS/RAF/MEK/ERK signaling pathways. Novel H2S-releasing donors/drugs can be designed and applied for the treatment of thyroid cancer.
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Peptide P11 suppresses the growth of human thyroid carcinoma by inhibiting the PI3K/AKT/mTOR signaling pathway. Mol Biol Rep 2019; 46:2665-2678. [PMID: 31028568 DOI: 10.1007/s11033-019-04698-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Accepted: 11/21/2018] [Indexed: 01/09/2023]
Abstract
Thyroid carcinoma is the most common endocrine malignancy, and the incidence of thyroid carcinoma is increasing in recent decades. CYYGQSKYC (P6), a nonapeptide with anti-lymphangiogenic effect by its binding to VEGFR-3 and selectively inhibiting VEGF-C binding to VEGFR-3, could suppress the migration and invasion of cancer cells. LSPPRYP (P9) acts as an effective bFGF/FGFR antagonist and inhibits the growth of the murine melanoma B16-F10 cells. In order to increase the anti-tumor effects of P6 and P9, we connected P6 with P9 via a flexible linker Gly-Gly-Gly (GGG) to reconstruct a novel peptide P11, CYYGQSKYCGGGLSPPRYP. In the present study, the mechanism of action of peptide P11 on the growth of human thyroid carcinoma cells both in vitro and in vivo was determined. Our results showed that peptide P11 inhibited the proliferation, viability, migration, and invasion of human thyroid carcinoma cells. Peptide P11 increased the apoptosis and decreased the protein levels of p-PI3K, p-AKT, and p-mTOR in human thyroid carcinoma cells. In addition, P11 could effectively inhibit the growth of human thyroid carcinoma xenograft tumors in nude mice. In conclusion, peptide P11 could inhibit the growth of human thyroid carcinoma by inhibiting the PI3K/Akt/mTOR signaling pathway. Novel peptides can be designed and applied for the treatment of various types of cancer.
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11
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Wu D, Li M, Gao Y, Tian W, Li J, Zhang Q, Liu Z, Zheng M, Wang H, Wang J, Teng T, Zhang L, Ji X, Xie Z, Ji A, Li Y. Peptide V3 Inhibits the Growth of Human Hepatocellular Carcinoma by Inhibiting the Ras/Raf/MEK/ERK Signaling Pathway. J Cancer 2019; 10:1693-1706. [PMID: 31205525 PMCID: PMC6548006 DOI: 10.7150/jca.29211] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Accepted: 01/16/2019] [Indexed: 12/14/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the leading causes of cancer-related deaths. Peptide V3 has shown anti-angiogenic and anti-tumor effects on S180 and H22 xenografts in nude mice. However, the detailed mechanism of action of peptide V3 has not yet been fully elucidated. In the present study, the effects of peptide V3 on the growth of human HCC cells were examined both in vitro and in vivo. Our results showed that peptide V3 inhibited the proliferation, viability, migration, and invasion of human HCC cells. However, no obvious effect was observed in HL-7702 cells. Peptide V3 increased the apoptosis and decreased the protein levels of H-RAS, phospho (p)-RAF, p-MEK, and p-extracellular signal-regulated protein kinase (ERK) in human HCC cells. Peptide V3 suppressed the growth of human HCC xenografts by down-regulating angiogenesis and up-regulating apoptosis. In conclusion, peptide V3 could inhibit the growth of human HCC by inhibiting the Ras/Raf/MEK/ERK signaling pathway. Novel peptides and modification strategies could be designed and applied for the treatment of different types of cancer.
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Affiliation(s)
- Dongdong Wu
- School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Mengling Li
- School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Yingran Gao
- School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China.,Joint National Laboratory for Antibody Drug Engineering, Henan International Joint Laboratory for Nuclear Protein Regulation, Henan University, Kaifeng, Henan 475004, China
| | - Wenke Tian
- School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Jianmei Li
- School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Qianqian Zhang
- School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Zhengguo Liu
- School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Mengli Zheng
- School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Hongju Wang
- School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Jun Wang
- School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Tieshan Teng
- School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Lei Zhang
- School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Xinying Ji
- School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China.,Joint National Laboratory for Antibody Drug Engineering, Henan International Joint Laboratory for Nuclear Protein Regulation, Henan University, Kaifeng, Henan 475004, China
| | - Zhongwen Xie
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 Changjiang West Road, Hefei, Anhui 230036, China
| | - Ailing Ji
- School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
| | - Yanzhang Li
- School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China
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12
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Anti-tumor properties of anthocyanins from Lonicera caerulea 'Beilei' fruit on human hepatocellular carcinoma: In vitro and in vivo study. Biomed Pharmacother 2018; 104:520-529. [PMID: 29800916 DOI: 10.1016/j.biopha.2018.05.057] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Revised: 05/10/2018] [Accepted: 05/14/2018] [Indexed: 12/20/2022] Open
Abstract
In this study, the anthocyanin from Lonicera caerulea 'Beilei' fruit (ABL) was extracted and purified. The purified component (ABL-2) was then evaluated for its anti-tumor properties on human hepatoma cells (SMMC-7721) in vitro and the murine hepatoma cells (H22) in vivo. In vitro, ABL-2 not only significantly inhibited the growth of SMMC-7721 cells, but also remarkably blocked the cells' cycle in G2/M phase, inducing DNA damage and eventually leading to apoptosis. In vivo, ABL also killed tumor cells, inhibited tumor growth, and improved the survival status of H22 tumor-bearing mice. These effects were associated with an increase in the activities of antioxidase and a decrease in the level of lipid peroxidation, as evidenced by changes in SOD, GSH-Px, GSH, and MDA levels. In addition, ABL-2 also regulated the levels of immune cytokines including IL-2, IFN-γ, and TNF-α. These results revealed that ABL-2 exerts an effective anti-tumor effect by dynamically adjusting the REDOX balance and improving the immunoregulatory activity of H22 tumor-bearing mice. High performance liquid chromatography (HPLC) analysis revealed that cyanidin-3,5-diglucoside (8.16 mg/g), cyanidin-3-glucoside (387.60 mg/g), cyanidin-3-rutinoside (23.62 mg/g), and peonidin-3-glucoside (22.20 mg/g) were the main components in ABL-2, which may contribute to its anti-tumor activity.
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13
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Wu DD, Gao YR, Li T, Wang DY, Lu D, Liu SY, Hong Y, Ning HB, Liu JP, Shang J, Shi JF, Wei JS, Ji XY. PEST-containing nuclear protein mediates the proliferation, migration, and invasion of human neuroblastoma cells through MAPK and PI3K/AKT/mTOR signaling pathways. BMC Cancer 2018; 18:499. [PMID: 29716528 PMCID: PMC5930684 DOI: 10.1186/s12885-018-4391-9] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Accepted: 04/17/2018] [Indexed: 12/25/2022] Open
Abstract
Background PEST-containing nuclear protein (PCNP), a novel nuclear protein, is involved in cell proliferation and tumorigenesis. However, the precise mechanism of action of PCNP in the process of tumor growth has not yet been fully elucidated. Methods ShRNA knockdown and overexpression of PCNP were performed in human neuroblastoma cells. Tumorigenic and metastatic effects of PCNP were examined by tumor growth, migration, and invasion assays in vitro, as well as xenograft tumor assay in vivo. Results PCNP over-expression decreased the proliferation, migration, and invasion of human neuroblastoma cells and down-regulation of PCNP showed reverse effects. PCNP over-expression increased protein expressions of cleaved caspase-3, cleaved caspase-8, cleaved caspase-9, and cleaved poly adenosine diphosphate-ribose polymerase, as well as ratios of B-cell lymphoma-2 (Bcl-2)-associated X protein/Bcl-2 and Bcl-2-associated death promoter/B-cell lymphoma-extra large in human neuroblastoma cells, however PCNP knockdown exhibited reverse trends. PCNP over-expression increased phosphorylations of extracellular signal-regulated protein kinase 1/2, p38, c-Jun N-terminal kinase, as well as decreased phosphorylations of phosphatidylinositol 3-kinase (PI3K), Akt, and mammalian target of rapamycin (mTOR), nevertheless PCNP knockdown exhibited opposite effects. Furthermore, PCNP over-expression significantly reduced the growth of human neuroblastoma xenograft tumors by down-regulating angiogenesis, whereas PCNP knockdown markedly promoted the growth of human neuroblastoma xenograft tumors through up-regulation of angiogenesis. Conclusions PCNP mediates the proliferation, migration, and invasion of human neuroblastoma cells through mitogen-activated protein kinase and PI3K/AKT/mTOR signaling pathways, implying that PCNP is a therapeutic target for patients with neuroblastoma.
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Affiliation(s)
- Dong-Dong Wu
- School of Basic Medical Sciences, Henan University College of Medicine, Kaifeng, 475004, Henan, China
| | - Ying-Ran Gao
- School of Basic Medical Sciences, Henan University College of Medicine, Kaifeng, 475004, Henan, China
| | - Tao Li
- School of Basic Medical Sciences, Henan University College of Medicine, Kaifeng, 475004, Henan, China
| | - Da-Yong Wang
- School of Basic Medical Sciences, Henan University College of Medicine, Kaifeng, 475004, Henan, China
| | - Dan Lu
- School of Basic Medical Sciences, Henan University College of Medicine, Kaifeng, 475004, Henan, China
| | - Shi-Yu Liu
- School of Basic Medical Sciences, Henan University College of Medicine, Kaifeng, 475004, Henan, China
| | - Ya Hong
- School of Basic Medical Sciences, Henan University College of Medicine, Kaifeng, 475004, Henan, China
| | - Hui-Bin Ning
- Henan Provincial People's Hospital Affiliated to Henan University, Zhengzhou, 450003, Henan, China
| | - Jun-Ping Liu
- Henan Provincial People's Hospital Affiliated to Henan University, Zhengzhou, 450003, Henan, China
| | - Jia Shang
- Henan Provincial People's Hospital Affiliated to Henan University, Zhengzhou, 450003, Henan, China
| | - Jun-Feng Shi
- Nanyang Nanshi Hospital Affiliated to Henan University, Nanyang, 473003, Henan, China
| | - Jian-She Wei
- Brain Research Laboratory, College of Life Sciences, Henan University, Kaifeng, 475004, Henan, China. .,Nanyang Nanshi Hospital Affiliated to Henan University, Nanyang, 473003, Henan, China.
| | - Xin-Ying Ji
- School of Basic Medical Sciences, Henan University College of Medicine, Kaifeng, 475004, Henan, China. .,Henan Provincial People's Hospital Affiliated to Henan University, Zhengzhou, 450003, Henan, China.
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14
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Zhu X, Yang J, Gao Y, Wu C, Yi L, Li G, Qi Y. The dual effects of a novel peptibody on angiogenesis inhibition and M2 macrophage polarization on sarcoma. Cancer Lett 2017; 416:1-10. [PMID: 29104145 DOI: 10.1016/j.canlet.2017.10.043] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2017] [Revised: 10/25/2017] [Accepted: 10/27/2017] [Indexed: 10/18/2022]
Abstract
Inhibition of the VEGF/VEGF receptor (VEGFR) and angiopoietin-2 (Ang-2)/TEK receptor tyrosine kinase (Tie-2) pathway is a potential target for tumor angiogenesis. We previously showed that a peptide AS16 which dually inhibits VEGFR/Ang-2 could reduce the tumor growth and decrease the number of microvessels in tumor. However, its short circulating half-life in the serum limits its clinical applications. In this study, as an effort to prolong the short in vivo half-life of AS16, we designed a fusion protein containing peptide AS16 and an IgG Fc fragment. Pharmacokinetic study also revealed that AS16-Fc has a prolonged circulating half-life of about 231 min in rats. We examined the effects of treatment on the tumor vasculature and immune cell populations, tumor growth, in both the MCA-205 and S180 tumor models. We found that AS16-Fc dramatically reduced tumor volume, vascular density and tumor-associated macrophages. Macrophages were identified as potential novel targets following anti-angiogenic therapy, our findings imply a novel role for anti-angiogenic peptide AS16-Fc. These findings indicate that AS16-Fc could be more effective on inhibiting tumor growth angiogenesis and tumor immune microenvironment than that of peptide AS16.
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Affiliation(s)
- Xiaoqing Zhu
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Jiali Yang
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Yanfeng Gao
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Chunjing Wu
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Lili Yi
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Guodong Li
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China; Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, China.
| | - Yuanming Qi
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China; Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, China.
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15
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Hydrogen sulfide acts as a double-edged sword in human hepatocellular carcinoma cells through EGFR/ERK/MMP-2 and PTEN/AKT signaling pathways. Sci Rep 2017; 7:5134. [PMID: 28698660 PMCID: PMC5506015 DOI: 10.1038/s41598-017-05457-z] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2016] [Accepted: 05/31/2017] [Indexed: 01/09/2023] Open
Abstract
Hydrogen sulfide (H2S) is involved in cancer biological processes. However, there are several controversies concerning the role of H2S in cancer development and progression. In this study, we found that the growth and migration of hepatocellular carcinoma (HCC) cells were enhanced by 10–100 μM NaHS and dose-dependently inhibited by 600–1000 μM NaHS. The apoptotic levels were reduced by 25–100 μM NaHS but increased by 400–1000 μM NaHS in HCC cells. After treatment with 25–50 μM NaHS, the protein levels of p-EGFR, p-ERK, MMP-2, and p-AKT were increased, whereas the levels of PTEN and the ratio of BAX/BCL-2 were down-regulated. Administration of 800–1000 μM NaHS showed opposite effects on these protein levels in HCC cells. However, H2S showed no effects on the growth, migration, apoptosis, and the protein levels of the EGFR/ERK/MMP-2 and PTEN/AKT signaling pathways in L02 cells. Furthermore, 25–100 μM NaHS promoted HCC tumor growth and blood vessel formation, while 800–1000 μM NaHS inhibited angiogenesis and tumor growth with no obvious systemic toxicity. These results indicate that H2S acts as a double-edged sword in HCC cells through EGFR/ERK/MMP-2 and PTEN/AKT signaling pathways. Novel H2S donors could be designed and applied for further antitumor research.
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16
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Wu D, Wang J, Wang H, Ji A, Li Y. Protective roles of bioactive peptides during ischemia-reperfusion injury: From bench to bedside. Life Sci 2017; 180:83-92. [PMID: 28527782 DOI: 10.1016/j.lfs.2017.05.014] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 05/09/2017] [Accepted: 05/10/2017] [Indexed: 12/14/2022]
Abstract
Ischemia-reperfusion (I/R) is a well-known pathological condition which may lead to disability and mortality. I/R injury remains an unresolved and complicated situation in a number of clinical conditions, such as cardiac arrest with successful reanimation, as well as ischemic events in brain and heart. Peptides have many attractive advantages which make them suitable candidate drugs in treating I/R injury, such as low toxicity and immunogenicity, good solubility property, distinct tissue distribution pattern, and favorable pharmacokinetic profile. An increasing number of studies indicate that peptides could protect against I/R injury in many different organs and tissues. Peptides also face several therapeutic challenges that limit their clinical application. In this review, we present the mechanisms of action of peptides in reducing I/R injury, as well as further discuss modification strategies to improve the functional properties of bioactive peptides.
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Affiliation(s)
- Dongdong Wu
- Henan University School of Basic Medical Sciences, Kaifeng 475004, Henan, China; Institute of Environmental Medicine, Henan University, Kaifeng 475004, Henan, China
| | - Jun Wang
- Henan University School of Basic Medical Sciences, Kaifeng 475004, Henan, China; Institute of Environmental Medicine, Henan University, Kaifeng 475004, Henan, China
| | - Honggang Wang
- Henan University School of Basic Medical Sciences, Kaifeng 475004, Henan, China; Institute of Environmental Medicine, Henan University, Kaifeng 475004, Henan, China
| | - Ailing Ji
- Henan University School of Basic Medical Sciences, Kaifeng 475004, Henan, China; Institute of Environmental Medicine, Henan University, Kaifeng 475004, Henan, China.
| | - Yanzhang Li
- Henan University School of Basic Medical Sciences, Kaifeng 475004, Henan, China; Institute of Environmental Medicine, Henan University, Kaifeng 475004, Henan, China.
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17
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Chen Y, Chen Y, Shi Y, Ma C, Wang X, Li Y, Miao Y, Chen J, Li X. Antitumor activity of Annona squamosa seed oil. JOURNAL OF ETHNOPHARMACOLOGY 2016; 193:362-367. [PMID: 27566205 DOI: 10.1016/j.jep.2016.08.036] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Revised: 08/08/2016] [Accepted: 08/22/2016] [Indexed: 06/06/2023]
Abstract
CONTEXT Custard apple (Annona squamosa Linn.) is an edible tropical fruit, and its seeds have been used to treat "malignant sore" (cancer) and other usage as insecticide. A comparison of extraction processes, chemical composition analysis and antitumor activity of A. squamosa seed oil (ASO) were investigated. MATERIALS AND METHODS The optimal extraction parameters of ASO were established by comparing percolation, soxhlet, ultrasonic and SFE-CO2 extraction methods. The chemical composition of fatty acid and content of total annonaceous acetogenins (ACGs) of ASO was investigated by GC-MS and colorimetric assay, and anti-tumor activity of ASO was tested using H22 xenografts bearing mice. RESULTS The optimal extraction parameters of ASO were obtained as follows: using soxhlet extraction method with extraction solvent of petroleum ether, temperature of 80°C, and extraction time of 90min. Under these conditions, the yield of ASO was 22.65%. GC-MS analysis results showed that the main chemical compositions of fatty acid of ASO were palmitic acid (9.92%), linoleic acid (20.49%), oleic acid (56.50%) and stearic acid (9.14%). The total ACGs content in ASO was 41.00mg/g. ASO inhibited the growth of H22 tumor cells in mice with a maximum inhibitory rate of 53.54% by oral administration. Furthermore, it was found that ASO exerted an antitumor effect via decreasing interleukin-6 (IL-6), janus kinase (Jak) and phosphorylated signal transducers and activators of transcription (p-Stat3) expression. DISCUSSION AND CONCLUSION The results demonstrated that ASO suppressed the H22 solid tumor development may due to its main chemical constituents unsaturated fatty acid and ACGs via IL-6/Jak/Stat3 pathway. ASO may be a potential candidate for the treatment of cancer.
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Affiliation(s)
- Yong Chen
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China.
| | - Yayun Chen
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yeye Shi
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Chengyao Ma
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Xunan Wang
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yue Li
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yunjie Miao
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jianwei Chen
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Xiang Li
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China.
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18
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Liu XX, Sun C, Jin XD, Li P, Zheng XG, Zhao T, Li Q. Genistein sensitizes sarcoma cells in vitro and in vivo by enhancing apoptosis and by inhibiting DSB repair pathways. JOURNAL OF RADIATION RESEARCH 2016; 57:227-237. [PMID: 26922091 PMCID: PMC4915536 DOI: 10.1093/jrr/rrv091] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2015] [Revised: 11/03/2015] [Accepted: 11/03/2015] [Indexed: 06/05/2023]
Abstract
The aim of this work was to investigate the radiosensitization effects of genistein on mice sarcoma cells and the corresponding biological mechanisms in vitro and in vivo Using the non-toxic dosage of 10 μM genistein, the sensitizer enhancement ratios after exposure to X-rays at 50% cell survival (IC50) was 1.45 for S180 cells. For mice cotreated with genistein and X-rays, the excised tumor tissues had reduced blood vessels and decreased size and volume compared with the control and irradiation-only groups. Moreover, a significant increase in apoptosis was accompanied by upregulation of Bax and downregulation of Bcl-2 in the mitochondria, and lots of cytochrome c being transferred to the cytoplasm. Furthermore, X-rays combined with genistein inhibited the activity of DNA-PKcs, so DNA-injured sites were dominated by Ku70/80, leading to incompleteness of homologous recombination (HR) and non-homologous end-joining (NHEJ) repairs and the eventual occurrence of cell apoptosis. Our study, for the first time, demonstrated that genistein sensitized sarcoma cells to X-rays and that this radiosensitizing effect depended on induction of the mitochondrial apoptosis pathway and inhibition of the double-strand break (DSB) repair pathways.
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Affiliation(s)
- X X Liu
- Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Road, Lanzhou 730000, Gansu Province, China Key Laboratory of Heavy Ion Radiation Biology and Medicine, Chinese Academy of Sciences, Lanzhou 730000, China Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Gansu Province, Lanzhou 730000, China
| | - C Sun
- Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Road, Lanzhou 730000, Gansu Province, China Key Laboratory of Heavy Ion Radiation Biology and Medicine, Chinese Academy of Sciences, Lanzhou 730000, China Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Gansu Province, Lanzhou 730000, China
| | - X D Jin
- Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Road, Lanzhou 730000, Gansu Province, China Key Laboratory of Heavy Ion Radiation Biology and Medicine, Chinese Academy of Sciences, Lanzhou 730000, China Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Gansu Province, Lanzhou 730000, China
| | - P Li
- Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Road, Lanzhou 730000, Gansu Province, China Key Laboratory of Heavy Ion Radiation Biology and Medicine, Chinese Academy of Sciences, Lanzhou 730000, China Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Gansu Province, Lanzhou 730000, China
| | - X G Zheng
- Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Road, Lanzhou 730000, Gansu Province, China Key Laboratory of Heavy Ion Radiation Biology and Medicine, Chinese Academy of Sciences, Lanzhou 730000, China Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Gansu Province, Lanzhou 730000, China University of Chinese Academy of Sciences, Beijing 100049, China
| | - T Zhao
- Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Road, Lanzhou 730000, Gansu Province, China Key Laboratory of Heavy Ion Radiation Biology and Medicine, Chinese Academy of Sciences, Lanzhou 730000, China Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Gansu Province, Lanzhou 730000, China
| | - Q Li
- Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Road, Lanzhou 730000, Gansu Province, China Key Laboratory of Heavy Ion Radiation Biology and Medicine, Chinese Academy of Sciences, Lanzhou 730000, China Key Laboratory of Basic Research on Heavy Ion Radiation Application in Medicine, Gansu Province, Lanzhou 730000, China
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The Neuropilin-1 Inhibitor, ATWLPPR Peptide, Prevents Experimental Diabetes-Induced Retinal Injury by Preserving Vascular Integrity and Decreasing Oxidative Stress. PLoS One 2015; 10:e0142571. [PMID: 26554379 PMCID: PMC4640834 DOI: 10.1371/journal.pone.0142571] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Accepted: 10/24/2015] [Indexed: 12/26/2022] Open
Abstract
Neuropilin-1 (NRP-1) is a transmembrane glycoprotein. As a VEGF co-receptor, NRP1 significantly enhances VEGFR2 signaling and promotes vascular permeability and migration. The purpose of this study was to evaluate the effects of an NRP-1 inhibitor, ATWLPPR peptide, on the early stages of diabetic retinopathy. Eight-week-old male C57BL/6 mice were divided into three groups: a Normal group, a Diabetes (DB) ATWLPPR treatment group and a DB saline group. Electroretinography (ERG), fundus fluorescence angiography (FFA) and leukostasis were examined to evaluate the retinal injury induced by diabetes at the end of the fifth week after STZ injection. Occludin expression and extravasation of albumin were measured to determine the extent of vascular injury. The oxidative stress level and the levels of inflammation-associated proteins were also assayed. The results indicated that treatment with ATWLPPR prevents the abnormal condition of ERG (amplitudes of b-wave decreased and implicit time increased) and vascular injury (occludin degradation and increase in extravasated albumin). These effects were associated with a reduction in the oxidase stress level and the expression of VEGF, GFAP, and ICAM-1. We conclude that ATWLPPR, an NRP-1 inhibitor, may reduce the early retinal damage induced by diabetes by preserving vascular integrity and decreasing the oxidative stress level. Blockade of NRP-1 may be a new therapeutic strategy for the early stages of DR.
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20
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Hydrogen sulfide in cancer: Friend or foe? Nitric Oxide 2015; 50:38-45. [PMID: 26297862 DOI: 10.1016/j.niox.2015.08.004] [Citation(s) in RCA: 149] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Revised: 07/26/2015] [Accepted: 08/17/2015] [Indexed: 01/07/2023]
Abstract
Hydrogen sulfide (H2S) is the third gaseous signaling molecule that plays important roles in cancer biological processes. Recent studies indicate that H2S has both pro-cancer and anti-cancer effects. Endogenous H2S can exert pro-cancer functions through induction of angiogenesis regulation of mitochondrial bioenergetics, acceleration of cell cycle progression, and anti-apoptosis mechanisms. Thus, the inhibition of the production of H2S in cancer cells may be a new cancer treatment strategy. In contrast to the pro-cancer effect of H2S, relatively high concentrations of exogenous H2S could suppress the growth of cancer cells by inducing uncontrolled intracellular acidification, inducing cell cycle arrest, and promoting apoptosis. Therefore, H2S donors and H2S-releasing hybrids could be designed and developed as novel anti-cancer drugs. In this review, the production and metabolism of H2S in cancer cells are summarized and the role and mechanism of H2S in cancer development and progression are further discussed.
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21
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Sun MZ, Cui Y, Guo C, Zhao B, Liu S. rAdinbitor, a disintegrin from Agkistrodon halys brevicaudus stejneger, inhibits tumorigenicity of hepatocarcinoma via enhanced anti-angiogenesis and immunocompetence. Biochimie 2015; 116:34-42. [PMID: 26133656 DOI: 10.1016/j.biochi.2015.06.026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Accepted: 06/22/2015] [Indexed: 12/29/2022]
Abstract
Adinbitor is a disintegrin previously obtained from Agkistrodon halys brevicaudus stejneger by our group. Here, we investigated the in vitro and in vivo anti-tumor activities of recombinant Adinbitor (rAdinbitor). rAdinbitor stimulation can inhibit the in vitro proliferation, migration and invasion capacities of murine hepatocarcinoma H22 and Hca-F cells. The administrations of rAdinbitor either by gavage or intraperitoneal injection suppress the tumor malignancy and prolong the survival rate and time of H22-transplanted mice. The number and size of formed blood vessels decreased dramatically in tumorous tissues in that the expression levels of vascular endothelial growth factor (VEGF) and cluster of differentiation 34 (CD34) were significantly decreased in responding to rAdinbitor treatment. The protein levels of IL-18 and IgG increased significantly in the serum of H22-transplanted tumor mice with rAdinbitor treatment. rAdinbitor shows in vitro and in vivo anti-tumor effects as an angiogenesis inhibitor and immunocompetence enhancer.
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Affiliation(s)
- Ming-Zhong Sun
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, 116044, China
| | - Yanhua Cui
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, 116044, China
| | - Chunmei Guo
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, 116044, China
| | - Baochang Zhao
- Department of Biotechnology, Dalian Medical University, Dalian, 116044, China
| | - Shuqing Liu
- Department of Biotechnology, Dalian Medical University, Dalian, 116044, China; Liaoning Provincial Core Lab of Cell and Molecular Biology, Dalian Medical University, Dalian 116044, China.
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Chu HL, Yip BS, Chen KH, Yu HY, Chih YH, Cheng HT, Chou YT, Cheng JW. Novel antimicrobial peptides with high anticancer activity and selectivity. PLoS One 2015; 10:e0126390. [PMID: 25970292 PMCID: PMC4430538 DOI: 10.1371/journal.pone.0126390] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Accepted: 04/01/2015] [Indexed: 01/08/2023] Open
Abstract
We describe a strategy to boost anticancer activity and reduce normal cell toxicity of short antimicrobial peptides by adding positive charge amino acids and non-nature bulky amino acid β-naphthylalanine residues to their termini. Among the designed peptides, K4R2-Nal2-S1 displayed better salt resistance and less toxicity to hRBCs and human fibroblast than Nal2-S1 and K6-Nal2-S1. Fluorescence microscopic studies indicated that the FITC-labeled K4R2-Nal2-S1 preferentially binds cancer cells and causes apoptotic cell death. Moreover, a significant inhibition in human lung tumor growth was observed in the xenograft mice treated with K4R2-Nal2-S1. Our strategy provides new opportunities in the development of highly effective and selective antimicrobial and anticancer peptide-based therapeutics.
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Affiliation(s)
- Hung-Lun Chu
- Institute of Biotechnology and Department of Medical Science, National Tsing Hua University, Hsinchu, 300, Taiwan
| | - Bak-Sau Yip
- Institute of Biotechnology and Department of Medical Science, National Tsing Hua University, Hsinchu, 300, Taiwan
- Department of Neurology, National Taiwan University Hospital Hsinchu Branch, Hsinchu, 300, Taiwan
| | - Kuan-Hao Chen
- Institute of Biotechnology and Department of Medical Science, National Tsing Hua University, Hsinchu, 300, Taiwan
| | - Hui-Yuan Yu
- Institute of Biotechnology and Department of Medical Science, National Tsing Hua University, Hsinchu, 300, Taiwan
| | - Ya-Han Chih
- Institute of Biotechnology and Department of Medical Science, National Tsing Hua University, Hsinchu, 300, Taiwan
| | - Hsi-Tsung Cheng
- Institute of Biotechnology and Department of Medical Science, National Tsing Hua University, Hsinchu, 300, Taiwan
| | - Yu-Ting Chou
- Institute of Biotechnology and Department of Medical Science, National Tsing Hua University, Hsinchu, 300, Taiwan
- * E-mail: (JWC); (YTC)
| | - Jya-Wei Cheng
- Institute of Biotechnology and Department of Medical Science, National Tsing Hua University, Hsinchu, 300, Taiwan
- * E-mail: (JWC); (YTC)
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Cai W, Li Y, Yi Q, Xie F, Du B, Feng L, Qiu L. Total saponins from Albizia julibrissin inhibit vascular endothelial growth factor-mediated angiogenesis in vitro and in vivo. Mol Med Rep 2015; 11:3405-13. [PMID: 25607254 PMCID: PMC4368075 DOI: 10.3892/mmr.2015.3228] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2014] [Accepted: 12/09/2014] [Indexed: 12/28/2022] Open
Abstract
Dried stem bark from Albizia julibrissin (AJ) is a highly valued Traditional Chinese Medicine, which has been shown to suppress tumor growth and angiogenesis. Total saponins from AJ (TSAJ) are one of the most bioactive components of AJ extract. The present study evaluated the anti-tumor and anti-angiogenic effects of TSAJ in vitro and in vivo. The anti-angiogenic activity of TSAJ was investigated by measuring the effects on vascular endothelial growth factor (VEGF)-induced proliferation, migration and tube formation of Ea.hy926 endothelial cells in vitro. The expression levels of proteins associated with VEGF-induced angiogenesis were determined by western blotting. Furthermore, in vivo Matrigel™ plug and H22 hepatoma tumor models were used to verify the anti-angiogenic effects of TSAJ. The present study demonstrated that TSAJ significantly inhibited VEGF-mediated endothelial cell proliferation, migration and tube formation of Ea.hy926 cells in vitro. The anti-angiogenic effects of TSAJ were modulated by suppression of phosphorylated-(p-) focal adhesion kinase, p-Akt, and p-extracellular signal-regulated kinase in the VEGF/VEGF receptor 2 (R2) signaling pathway. Furthermore, oral administration of TSAJ significantly inhibited tumor growth and tumor-induced angiogenesis, as well as the formation of functional vessels, in the Matrigel™ plug model. These results suggest that TSAJ may be a potential anti-angiogenic agent that targets the VEGF/VEGFR2 signaling pathway, and inhibits tumor-induced angiogenesis.
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Affiliation(s)
- Weiwei Cai
- Laboratory of Natural Medicine, School of Pharmaceutical Science, Jiangnan University, Wuxi, Jiangsu 214122, P.R. China
| | - Yue Li
- Laboratory of Natural Medicine, School of Pharmaceutical Science, Jiangnan University, Wuxi, Jiangsu 214122, P.R. China
| | - Qingqing Yi
- Laboratory of Natural Medicine, School of Pharmaceutical Science, Jiangnan University, Wuxi, Jiangsu 214122, P.R. China
| | - Fengshan Xie
- Laboratory of Natural Medicine, School of Pharmaceutical Science, Jiangnan University, Wuxi, Jiangsu 214122, P.R. China
| | - Bin Du
- Laboratory of Tumor Pharmacology, Wuxi Medical School, Jiangnan University, Wuxi, Jiangsu 214122, P.R. China
| | - Lei Feng
- Laboratory of Tumor Pharmacology, Wuxi Medical School, Jiangnan University, Wuxi, Jiangsu 214122, P.R. China
| | - Liying Qiu
- Laboratory of Tumor Pharmacology, Wuxi Medical School, Jiangnan University, Wuxi, Jiangsu 214122, P.R. China
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Abbad S, Wang C, Waddad AY, Lv H, Zhou J. Preparation, in vitro and in vivo evaluation of polymeric nanoparticles based on hyaluronic acid-poly(butyl cyanoacrylate) and D-alpha-tocopheryl polyethylene glycol 1000 succinate for tumor-targeted delivery of morin hydrate. Int J Nanomedicine 2015; 10:305-20. [PMID: 25609946 PMCID: PMC4293365 DOI: 10.2147/ijn.s73971] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Herein, we describe the preparation of a targeted cellular delivery system for morin hydrate (MH), based on a low-molecular-weight hyaluronic acid-poly(butyl cyanoacrylate) (HA-PBCA) block copolymer. In order to enhance the therapeutic effect of MH, D-alpha-tocopheryl polyethylene glycol 1000 succinate (TPGS) was mixed with HA-PBCA during the preparation process. The MH-loaded HA-PBCA “plain” nanoparticle (MH-PNs) and HA-PBCA/TPGS “mixed” nanoparticles (MH-MNs) were concomitantly characterized in terms of loading efficiency, particle size, zeta potential, critical aggregation concentration, and morphology. The obtained MH-PNs and MH-MNs exhibited a spherical morphology with a negative zeta potential and a particle size less than 200 nm, favorable for drug targeting. Remarkably, the addition of TPGS resulted in about 1.6-fold increase in drug-loading. The in vitro cell viability experiment revealed that MH-MNs enhanced the cytotoxicity of MH in A549 cells compared with MH solution and MH-PNs. Furthermore, blank MNs containing TPGS exhibited selective cytotoxic effects against cancer cells without diminishing the viability of normal cells. In addition, the cellular uptake study indicated that MNs resulted in 2.28-fold higher cellular uptake than that of PNs, in A549 cells. The CD44 receptor competitive inhibition and the internalization pathway studies suggested that the internalization mechanism of the nanoparticles was mediated mainly by the CD44 receptors through a clathrin-dependent endocytic pathway. More importantly, MH-MNs exhibited a higher in vivo antitumor potency and induced more tumor cell apoptosis than did MH-PNs, following intravenous administration to S180 tumor-bearing mice. Overall, the results imply that the developed nanoparticles are promising vehicles for the targeted delivery of lipophilic anticancer drugs.
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Affiliation(s)
- Sarra Abbad
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, People's Republic of China ; Department of Pharmacy, Abou Bekr Belkaid University, Tlemcen, Algeria
| | - Cheng Wang
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Ayman Yahia Waddad
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Huixia Lv
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Jianping Zhou
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, People's Republic of China
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Fu H, Zhang Y, Wang X, Han Y, Peng X, Efferth T, Fu Y. Synthesis and anti-tumor activity of novel aminomethylated derivatives of isoliquiritigenin. Molecules 2014; 19:17715-26. [PMID: 25365296 PMCID: PMC6271340 DOI: 10.3390/molecules191117715] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2014] [Revised: 10/21/2014] [Accepted: 10/27/2014] [Indexed: 12/11/2022] Open
Abstract
A series of new aminomethylated derivatives of isoliquiritigenin was synthesized. The structures of the compounds were confirmed by IR, MS, NMR, 13C-NMR and elemental analyses. Cytotoxic activities of these derivatives towards the human prostatic cell line PC-3, human mammary cancer cell line MCF-7 and human oophoroma cell line HO-8910 in vitro were tested. The IC50 values showed cytotoxic activities of some of these new derivatives were relatively strong. Furthermore, tumor growth inhibition in vivo of aminomethylated derivatives of isoliquiritigenin 15 was superior to that of isoliquritigenin and reached inhibition rates of 71.68%. The detailed synthesis, spectroscopic data, biological and pharmacologicalactivities of the synthesized compounds were provided.
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Affiliation(s)
- Haoran Fu
- School of Chemistry and Environment, Beihang University, Beijing 100191, China.
| | - Yuhang Zhang
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, China.
| | - Xiqing Wang
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, China.
| | - Yingzhi Han
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, China.
| | - Xiao Peng
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, China.
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, University of Mainz, 55128 Mainz, Germany.
| | - Yujie Fu
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, China.
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The study of a novel sorafenib derivative HLC-080 as an antitumor agent. PLoS One 2014; 9:e101889. [PMID: 25004130 PMCID: PMC4086976 DOI: 10.1371/journal.pone.0101889] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2013] [Accepted: 06/12/2014] [Indexed: 01/07/2023] Open
Abstract
In this study, our objective is to evaluate the potential of a novel Sorafenib derivative, named HLC-080, as a new anticancer agent for colon cancer. We firstly carried out MTT assay, colony formation assay, flow cytometry analysis and transwell invasion assay to determine effect of our compound HLC-080 on cell viability, anti-proliferation activity, cell cycle arrest and the intervention on cell invasion, respectively. On the other hand, in vivo antitumor activity of HLC-080 was also tested using H22 xenograft model and the angiogenesis effect of HLC-080 was measured by EA.hy926 tube formation assay. The expression levels of various proteins in HLC-080 treated with HT-29 cell lines were examined using Western blot and ELISA experiments. The results showed that HLC-080 could dramatically inhibit the growth and colony formation of various tumor cells, therefore exhibited remarkable antitumor activity. HLC-080 can induce cell cycle arrest at G1 phase in HT-29 cells and subsequently inhibit the invasive potential of colon cancer cells. HLC-080 also exhibits anti-angiogenesis effect in EA.hy926 model. Additionally, the in vivo study showed that HLC-080 was able to reduced the tumor weight with the rate of 35.81%. And at the concentration of 0.352±0.034 µM, HLC-080 is able to reduce half of the regular protein level of p-c-Raf (Ser259), consequently block Raf/MEK/ERK signaling in HT-29 cell lines. In conclusion, our study suggests that Sorafenib derivative HLC-080 has the potential to inhibit cell proliferation and angiogenesis, Since, HLC-080 is particularly active against human colon cancer cells, our study highlights that HLC-080 and its related analogues may serve as a new anti-cancer drug, particularly against colon cancer.
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27
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Wu D, Gao Y, Qi Y, Chen L, Ma Y, Li Y. Peptide-based cancer therapy: opportunity and challenge. Cancer Lett 2014; 351:13-22. [PMID: 24836189 DOI: 10.1016/j.canlet.2014.05.002] [Citation(s) in RCA: 212] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2013] [Revised: 03/31/2014] [Accepted: 05/01/2014] [Indexed: 01/01/2023]
Abstract
Cancer is one of the leading causes of death worldwide. Conventional cancer therapies mainly focus on mass cell killing without high specificity and often cause severe side effects and toxicities. Peptides are a novel class of anticancer agents that could specifically target cancer cells with lower toxicity to normal tissues, which will offer new opportunities for cancer prevention and treatment. Anticancer peptides face several therapeutic challenges. In this review, we present the sources and mechanisms of anticancer peptides and further discuss modification strategies to improve the anticancer effects of bioactive peptides.
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Affiliation(s)
- Dongdong Wu
- College of Medicine, Henan University, Kaifeng 475004, Henan, China
| | - Yanfeng Gao
- School of Life Science, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Yuanming Qi
- School of Life Science, Zhengzhou University, Zhengzhou 450001, Henan, China.
| | - Lixiang Chen
- School of Life Science, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Yuanfang Ma
- College of Medicine, Henan University, Kaifeng 475004, Henan, China
| | - Yanzhang Li
- College of Medicine, Henan University, Kaifeng 475004, Henan, China.
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Hassanein M, Carbone DP. Serum Proteomic Biomarkers. Lung Cancer 2014. [DOI: 10.1002/9781118468791.ch5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Liu Y, Feng L, Liu T, Zhang L, Yao Y, Yu D, Wang L, Zhang N. Multifunctional pH-sensitive polymeric nanoparticles for theranostics evaluated experimentally in cancer. NANOSCALE 2014; 6:3231-3242. [PMID: 24500240 DOI: 10.1039/c3nr05647c] [Citation(s) in RCA: 72] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
A multifunctional pH-sensitive polymeric nanoparticle system was developed for simultaneous tumor magnetic resonance imaging (MRI) and therapy. The nanoparticles were self-assembled using the multi-block polymer poly(lactic acid)-poly(ethylene glycol)-poly(l-lysine)-diethylenetriamine pentaacetic acid (PLA-PEG-PLL-DTPA) and the pH-sensitive material poly(l-histidine)-poly(ethylene glycol)-biotin (PLH-PEG-biotin). The anti-hepatocellular carcinoma (HCC) drug sorafenib was encapsulated inside the nanoparticles. Gd ions were chelated to the DTPA groups which were distributed on the nanoparticle surface. Biotinylated vascular endothelial growth factor receptor (VEGFR) antibodies were linked to the surface biotin groups of nanoparticles through the avidin linker to form the target pH-sensitive theranostic nanoparticles (TPTN). TPTN exhibited spherical or ellipsoidal shapes, uniform particle size distribution (181.4 ± 3.4 nm), positive zeta potential (14.95 ± 0.60 mV), high encapsulation efficiency (95.02 ± 1.47%) and drug loading (2.38 ± 0.04%). The pH-sensitive sorafenib release from TPTN was observed under different pH values (47.81% at pH = 7.4 and 99.32% at pH = 5.0, respectively). In cell cytotoxicity studies, TPTN showed similar antitumor effect against HepG2 cells compared to solubilized sorafenib solution after pre-incubation in acid PBS (pH = 5.0) for 1 h in vitro (P > 0.05). In in vivo anti-tumor studies, TPTN showed significantly higher antitumor effect in H22 tumor (VEGFR overexpressed cell line) bearing mice compared to the solubilized sorafenib solution (oral or i.v. administration) group (P < 0.05). In the MRI test, the T1 relaxivity value of TPTN was 17.300 mM(-1) s(-1) which was 3.6 times higher than Magnevist® (r1 = 4.8 mM(-1) s(-1)). As a positive contrast agent, TPTN exhibited higher resolution and longer imaging time (more than 90 min) in the MRI diagnosis of tumor-bearing mice compared to Magnevist® (more than 60 min). Furthermore, histological examination of TBN (blank TPTN, without sorafenib loaded) showed no visible tissue toxicity compared to normal saline. Thus, TPTN possessed dual-loading drugs and imaging agents, active targeting and pH-triggered drug release properties in one platform with good biocompatibility. All of these results indicated that TPTN was a promising theranostic carrier which could be a platform for the development of novel multifunctional theranostic agents.
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Affiliation(s)
- Yongjun Liu
- School of Pharmaceutical Science, Shandong University, Jinnan, People's Republic of China.
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Antitumor activity and toxicity relationship of annonaceous acetogenins. Food Chem Toxicol 2013; 58:394-400. [PMID: 23712095 DOI: 10.1016/j.fct.2013.05.028] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2013] [Revised: 04/27/2013] [Accepted: 05/16/2013] [Indexed: 11/23/2022]
Abstract
Annonaceous acetogenins (ACGs) are one of the most interesting classes of natural products appearing in the past two decades. Here, we studied the antitumor activity and toxicity relationship of ACGs including annosquamin B (1), bullatacin (2) and annosquatin B (3) in vivo. A single intraperitoneal (i.p.) injection of 100 μg/kg of annosquamin B, bullatacin and annosquatin B did not cause side effects in normal mice. Bullatacin treatment with five doses of 25 and 50 μg/kg in H22 hepatoma cells bearing mice resulted in about 61% reduction in tumor growth with hematologic parameters increased significantly in normal mice. Annosquamin B and annosquatin B treatments with 10 doses of 25, 50 and 100 μg/kg in the H22 hepatoma cells transplantation tumor model mice resulted in maximum 53.7% and 58.7% reduction in tumor growth, respectively, and did not cause severe side effects in normal mice. This study provided the evidence that adjacent bis-THF ACGs showed higher antitumor activity and toxicity than mono-THF and nonadjacent bis-THF ACGs in vivo. Furthermore, it was found that bullatacin led to liver and kidney toxicity via increasing calcium concentration, ROS production, and Bax expression and Bax/Bcl-2 ratio in rats with repeated treatment with bullatacin for 3 weeks.
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Study on changes of polyamine levels in mice with the development of U14 cervical cancer. J Pharm Anal 2013; 3:20-27. [PMID: 29403792 PMCID: PMC5760924 DOI: 10.1016/j.jpha.2012.07.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2012] [Accepted: 07/19/2012] [Indexed: 11/30/2022] Open
Abstract
This study was performed to investigate the possible involvement of polyamines in the development of cervical cancer. The objective of the present study was therefore to find the specific polyamine indicators, which could be used as useful markers for the early determination of cervical cancer. A simple method for the simultaneous determination of plasma concentrations of five polyamines in normal and U14 model mice was developed by using HPLC-MS. The samples were derivatized by benzoyl chloride. The derived polyamines were separated on a C18 column by a gradient elution with methanol–water, and then detected with HPLC-MS. The results showed that all polyamine levels in the U14 model mice were higher than those in normal ones. The cadaverine, putrescine and 1, 3-diaminopropane levels were significantly higher in U14 model mice plasma than those in normal mice plasma, especially the putrescine and 1, 3-diaminopropane (P<0.01). The cadaverine, putrescine and 1, 3-diaminopropane levels were significantly higher in U14 mice model urine than those in normal mice urine, especially the cadaverine and 1, 3-diaminopropane (P<0.01). Putrescine, cadaverine and 1, 3-diaminopropane might be the indicators of the cervical cancer.
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Chen Y, Xu SS, Chen JW, Wang Y, Xu HQ, Fan NB, Li X. Anti-tumor activity of Annona squamosa seeds extract containing annonaceous acetogenin compounds. JOURNAL OF ETHNOPHARMACOLOGY 2012; 142:462-466. [PMID: 22609808 DOI: 10.1016/j.jep.2012.05.019] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2011] [Revised: 03/20/2012] [Accepted: 05/08/2012] [Indexed: 06/01/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Seeds of Annona squamosa L. have been used in the south of China as a folk remedy to treat "malignant sores" (cancer). AIM OF THE STUDY To investigate the chemical constituents and the anti-tumor activity of the standardized A. squamosa seeds extract in vitro and in vivo. MATERIALS AND METHODS Annonaceous acetogenin profiles of the standardized extract were determined by using Fourier transform infrared (FT-IR) and high performance liquid chromatography (HPLC) techniques. The anti-tumor activity of the extract was tested by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) cytotoxicity in vitro and H(22) hepatoma cells transplantation tumor model in vivo. RESULTS The FT-IR spectroscopy showed the presence of annonaceous acetogenin compounds in the extract. Two major annonaceous acetogenins: 12, 15-cis-squamostatin-A and bullatacin were identified and quantified by HPLC. The seed extract showed significant anti-tumor activity against four human tumor cell lines, especially for MCF-7 (IC(50). 0.25 μg/ml) and Hep G2 (IC(50). 0.36 μg/ml) cells in vitro. The extract inhibited the growth of H(22) tumor cells in mice with a maximum inhibitory rate of 69.55% by oral administration. CONCLUSION A. squamosa seed extract showed significant anti-tumor activities against human hepatoma cells in vitro and in vivo, indicating a potential for developing the extract as a novel anti-liver cancer drug.
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Affiliation(s)
- Yong Chen
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
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Wang Q, Wang Y, Liu R, Yan X, Li Y, Fu H, Bi K, Li Q. Comparison of the effects of Mylabris andAcanthopanax senticosuson promising cancer marker polyamines in plasma of a Hepatoma-22 mouse model using HPLC-ESI-MS. Biomed Chromatogr 2012; 27:208-15. [DOI: 10.1002/bmc.2777] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2012] [Revised: 05/11/2012] [Accepted: 05/15/2012] [Indexed: 11/05/2022]
Affiliation(s)
- Qian Wang
- School of Pharmacy; Shenyang Pharmaceutical University; 103 Wenhua Road; Shenyang; 110016; China
| | - Yixiang Wang
- School of Traditional Chinese Materia Medica; Shenyang Pharmaceutical University; 103 Wenhua Road; Shenyang; 110016; China
| | - Ran Liu
- School of Pharmacy; Shenyang Pharmaceutical University; 103 Wenhua Road; Shenyang; 110016; China
| | - Xu Yan
- School of Pharmacy; Shenyang Pharmaceutical University; 103 Wenhua Road; Shenyang; 110016; China
| | - Yujiao Li
- School of Traditional Chinese Materia Medica; Shenyang Pharmaceutical University; 103 Wenhua Road; Shenyang; 110016; China
| | - Hui Fu
- School of Pharmacy; Shenyang Pharmaceutical University; 103 Wenhua Road; Shenyang; 110016; China
| | - Kaishun Bi
- School of Pharmacy; Shenyang Pharmaceutical University; 103 Wenhua Road; Shenyang; 110016; China
| | - Qing Li
- School of Pharmacy; Shenyang Pharmaceutical University; 103 Wenhua Road; Shenyang; 110016; China
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Wu L, Wu J, Zhou Y, Tang X, Du Y, Hu Y. Enhanced antitumor efficacy of cisplatin by tirapazamine-transferrin conjugate. Int J Pharm 2012; 431:190-6. [PMID: 22531857 DOI: 10.1016/j.ijpharm.2012.04.032] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2011] [Revised: 03/31/2012] [Accepted: 04/09/2012] [Indexed: 10/28/2022]
Abstract
Combination of tirapazamine (TPZ) with cisplatin has been studied extensively in clinical trial for tumor therapy. However, in phase III clinical trial, the combination therapy did not show overall survival improvement in patients. To decrease the side effects and increase the efficacy of the combination therapy, TPZ was conjugated with transferrin (Tf-G-TPZ) for targeted delivery and co-administered with cisplatin. In vitro toxicity study showed that the combination of Tf-G-TPZ with cisplatin induced substantially higher cytotoxicity of tumor cells than the combination of TPZ and cisplatin. After Tf-G-TPZ was intravenously injected into tumor-bearing mice, its total accumulation in tumor was 2.3 fold higher than that of the unmodified TPZ, suggesting transferrin-mediated target delivery of TPZ into the tumor tissue. With the increased accumulation of Tf-G-TPZ in tumor, the synergistic anti-tumor effects of Tf-G-TPZ and cisplatin were also enhanced as showed by the 53% tumor inhibition rate. Meanwhile, the side effects such as body weight lost were not significantly increased. Therefore, Tf-G-TPZ holds great promise to a better substitute for TPZ in the combination therapy with cisplatin.
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Affiliation(s)
- Lin Wu
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, 22 Hankou Road, Nanjing 210093, China
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18F-labeled pyrazolo[1,5-a]pyrimidine derivatives: synthesis from 2,4-dinitrobenzamide and tosylate precursors and comparative biological evaluation for tumor imaging with positron emission tomography. Molecules 2012; 17:3774-93. [PMID: 22453929 PMCID: PMC6268720 DOI: 10.3390/molecules17043774] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2012] [Revised: 03/14/2012] [Accepted: 03/19/2012] [Indexed: 11/17/2022] Open
Abstract
We previously reported 18F-labeled pyrazolo[1,5-a]pyrimidine derivatives: 7-(2-[18F]fluoroethylamino)-5-methylpyrazolo[1,5-a]pyrimidine-3-carbonitrile ([18F]1) and N-(2-(3-cyano-5-methylpyrazolo[1,5-a]pyrimidin-7-ylamino)ethyl)-2-[18F]fluoro-4-nitro- benzamide ([18F]2). Preliminary biodistribution experiments of both compounds showed s slow clearance rate from excretory tissues which warranted further investigation for tumor imaging with PET. Here we modified [18F]1 and [18F]2 by introducing polar groups such as ester, hydroxyl and carboxyl and developed three additional 18F-18 labeled pyrazolo[1,5-a] pyrimidine derivatives: (3-Cyano-7-(2-[18F]fluoroethylamino)pyrazolo[1,5-a]-pyrimidin-5- yl)methyl acetate ([18F]3), 7-(2-[18F]fluoroethylamino)-5-(hydroxymethyl)pyrazolo[1,5-a]- pyrimidine-3-carbonitrile ([18F]4) and (S)-6-(3-cyano-5-methylpyrazolo[1,5-a]pyrimidin-7- ylamino)-2-(2-[18F]fluoro-4-nitrobenzamido)hexanoic acid ([18F]5). The radiolabeled probes were synthesized by nucleophilic substitution of the corresponding tosylate and nitro precursors with 18F-fluoride. In Vitro studies showed higher uptake of [18F]3 and [18F]4 than that of [18F]5 by S180 tumor cells. In Vivo biodistribution studies in mice bearing S180 tumors showed that the uptake of both [18F]3 and [18F]4 in tumors displayed an increasing trend while the uptake of [18F]5 in tumor decreased through the course of the 120 min study. This significant difference in tumor uptake was also found between [18F]1 and [18F]2. Thus, we compared the biological behavior of the five tracers and reported the tumor uptake kinetic differences between 2-[18F]fluoroethylamino- and 2-[18F]fluoro-4-nitro- benzamidopyrazolo[1,5-a] pyrimidine derivatives.
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Chen Y, Chen JW, Xu SS, Wang Y, Li X, Cai BC, Fan NB. Antitumor activity of annonaceous acetogenins in HepS and S180 xenografts bearing mice. Bioorg Med Chem Lett 2012; 22:2717-9. [PMID: 22446092 DOI: 10.1016/j.bmcl.2012.02.109] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2011] [Revised: 02/11/2012] [Accepted: 02/29/2012] [Indexed: 11/15/2022]
Abstract
Annonaceous acetogenins (ACGs), as one of the most powerful groups of mitochondrial complex I inhibitors, exhibit potent cytotoxic activity against a variety of human tumor cell lines. In this study, the antitumor activities of three main types of ACGs were investigated using S180 and HepS xenografts bearing mice simultaneously. The results revealed that select ACGs suppressed tumor growth in a dose-dependent fashion. Tested ACGs showed more selective antitumor activity against HepS. Furthermore, adjacent bis-THF ACGs were more active than mono-THF and nonadjacent bis-THF ACGs against HepS and S180; nonadjacent bis-THF ACGs were more active than mono-THF ACGs against S180, but mono-THF ACGs were more potent than nonadjacent bis-THF ACGs against HepS.
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Affiliation(s)
- Yong Chen
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
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Wei A, Zhou D, Ruan J, Cai Y, Xiong C, Wu G. Anti-tumor and anti-angiogenic effects of Macrothelypteris viridifrons and its constituents by HPLC-DAD/MS analysis. JOURNAL OF ETHNOPHARMACOLOGY 2012; 139:373-380. [PMID: 22123201 DOI: 10.1016/j.jep.2011.11.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2011] [Revised: 07/14/2011] [Accepted: 11/12/2011] [Indexed: 05/31/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Macrothelypteris viridifrons is widely distributed in south of China and has been used as folk medicine to treat cancer, hydropsy, and traumatic bleeding. AIM OF THE STUDY To investigate the chemical constituents and the anti-tumor and anti-angiogenic effects of Macrothelypteris viridifrons. MATERIALS AND METHODS An HPLC-DAD/MS technique was used to determine the flavonoid profile of Macrothelypteris viridifrons. The anti-tumor effect of Macrothelypteris viridifrons was evaluated by in vivo mice bearing H22 hepatoma cells transplantation tumor model. And the anti-angiogenic activity was investigated by measuring the effects on the in vitro proliferation, migration, and tube formation of human umbilical vein endothelial cells (HUVECs). Furthermore, the in vivo zebrafish model was applied to evaluate the anti-angiogenic effect of Macrothelypteris viridifrons. RESULTS 18 flavonoids were identified from Macrothelypteris viridifrons. Administration of Macrothelypteris viridifrons significantly inhibited the tumor growth and the expression of vascular endothelial growth factor (VEGF) and CD34. Meanwhile, Macrothelypteris viridifrons showed significant inhibition on proliferation, migration and tube formation of HUVECs in vitro and the intersegmental vessels formation in zebrafish model. CONCLUSIONS Macrothelypteris viridifrons showed significant anti-tumor and anti-angiogenic effects and might be developed as a novel anti-tumor drug.
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MESH Headings
- Angiogenesis Inhibitors/chemistry
- Angiogenesis Inhibitors/isolation & purification
- Angiogenesis Inhibitors/pharmacology
- Animals
- Animals, Genetically Modified
- Antigens, CD34/metabolism
- Antineoplastic Agents, Phytogenic/chemistry
- Antineoplastic Agents, Phytogenic/isolation & purification
- Antineoplastic Agents, Phytogenic/pharmacology
- Carcinoma, Hepatocellular/drug therapy
- Carcinoma, Hepatocellular/metabolism
- Carcinoma, Hepatocellular/pathology
- Cell Line, Tumor
- Cell Movement/drug effects
- Cell Proliferation/drug effects
- Chromatography, High Pressure Liquid
- Dose-Response Relationship, Drug
- Ferns/chemistry
- Flavonoids/analysis
- Human Umbilical Vein Endothelial Cells/drug effects
- Liver Neoplasms/drug therapy
- Liver Neoplasms/metabolism
- Liver Neoplasms/pathology
- Male
- Mass Spectrometry
- Mice
- Neovascularization, Physiologic/drug effects
- Plants, Medicinal
- Tumor Burden/drug effects
- Vascular Endothelial Growth Factor A/metabolism
- Vascular Endothelial Growth Factor Receptor-2/genetics
- Vascular Endothelial Growth Factor Receptor-2/metabolism
- Zebrafish/genetics
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Affiliation(s)
- Anhua Wei
- Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation of Hubei Province, College of Pharmacy, Huazhong University of Science and Technology, Wuhan, China
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Xue R, Cao Y, Han N, Lin X, Liu Z, Yin J. Activity of DBXX granules on anti-gastric ulcer and decreasing the side effect of chemotherapy in S180 tumor-bearing mice. JOURNAL OF ETHNOPHARMACOLOGY 2011; 137:1156-1160. [PMID: 21810461 DOI: 10.1016/j.jep.2011.07.042] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2011] [Revised: 06/17/2011] [Accepted: 07/17/2011] [Indexed: 05/31/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE DBXX is a derived prescription from "Banxiaxiexin Tang" in "Shanghan Lun", the representative prescription to regulate spleen and stomach. AIM OF THE STUDY To determine the pharmacodynamics effects of DBXX granules on anti-ulcer and anti-side effect on digestive system induced by chemotherapeutic drugs. MATERIALS AND METHODS Chronic gastric ulcer was induced by an injection of 100% glacial acetic acid into the submucosal layer of the glandular stomach, then the area of all ulcers was added together as the ulcer index and inhibition rate of ulcer was calculated. While S180 tumor-bearing mice were treated with cyclophosphamide as the chemotherapeutic drug, the weight of food-intake after chemotherapy, the loss body weight, tumor weight and spleen index were weighed and calculated. RESULTS In the gastric ulcer bearing mice, DBXX granules showed a dose-dependent reduction of ulcer at the dose 4.87 and 9.73 g/kg. In the S180 tumor-bearing mice, low dose of DBXX granules could significantly improve every investigated index compared with that of control group (p < 0.05). CONCLUSIONS It proved that DBXX granules showed good healing effect on the chronic gastric ulcer mice and significant effect on decreasing the side effect of chemotherapy of S180 tumor-bearing mice.
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Affiliation(s)
- Rui Xue
- Department of Pharmacognosy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China
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Abstract
Since the advent of the new proteomics era more than a decade ago, large-scale studies of protein profiling have been exploited to identify the distinctive molecular signatures in a wide array of biological systems spanning areas of basic biological research, various disease states, and biomarker discovery directed toward therapeutic applications. Recent advances in protein separation and identification techniques have significantly improved proteomics approaches, leading to enhancement of the depth and breadth of proteome coverage. Proteomic signatures specific for invasive lung cancer and preinvasive lesions have begun to emerge. In this review we provide a critical assessment of the state of recent advances in proteomic approaches and the biological lessons they have yielded, with specific emphasis on the discovery of biomarker signatures for the early detection of lung cancer.
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Zhong K, Wang Q, He Y, He X. Evaluation of radicals scavenging, immunity-modulatory and antitumor activities of longan polysaccharides with ultrasonic extraction on in S180 tumor mice models. Int J Biol Macromol 2010; 47:356-60. [DOI: 10.1016/j.ijbiomac.2010.05.022] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2010] [Revised: 05/25/2010] [Accepted: 05/26/2010] [Indexed: 10/19/2022]
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