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Feng Y, Yin Z, Zhang D, Srivastava A, Ling C. Chinese Medicine Protein and Peptide in Gene and Cell Therapy. Curr Protein Pept Sci 2018; 20:251-264. [PMID: 29895243 DOI: 10.2174/1389203719666180612082432] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2018] [Revised: 04/10/2018] [Accepted: 05/22/2018] [Indexed: 01/05/2023]
Abstract
The success of gene and cell therapy in clinic during the past two decades as well as our expanding ability to manipulate these biomaterials are leading to new therapeutic options for a wide range of inherited and acquired diseases. Combining conventional therapies with this emerging field is a promising strategy to treat those previously-thought untreatable diseases. Traditional Chinese medicine (TCM) has evolved for thousands of years in China and still plays an important role in human health. As part of the active ingredients of TCM, proteins and peptides have attracted long-term enthusiasm of researchers. More recently, they have been utilized in gene and cell therapy, resulting in promising novel strategies to treat both cancer and non-cancer diseases. This manuscript presents a critical review on this field, accompanied with perspectives on the challenges and new directions for future research in this emerging frontier.
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Affiliation(s)
- Yinlu Feng
- Department of Traditional Chinese Medicine, 401 Hospital of the Chinese People's Liberation Army, Qingdao, Shandong 266071, China.,Division of Cellular and Molecular Therapy, Department of Pediatrics, College of Medicine, University of Florida, Gainesville 32611, FL, United States
| | - Zifei Yin
- Division of Cellular and Molecular Therapy, Department of Pediatrics, College of Medicine, University of Florida, Gainesville 32611, FL, United States
| | - Daniel Zhang
- Division of Cellular and Molecular Therapy, Department of Pediatrics, College of Medicine, University of Florida, Gainesville 32611, FL, United States
| | - Arun Srivastava
- Division of Cellular and Molecular Therapy, Department of Pediatrics, College of Medicine, University of Florida, Gainesville 32611, FL, United States
| | - Chen Ling
- Division of Cellular and Molecular Therapy, Department of Pediatrics, College of Medicine, University of Florida, Gainesville 32611, FL, United States
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Amorim FG, Cordeiro FA, Pinheiro-Júnior EL, Boldrini-França J, Arantes EC. Microbial production of toxins from the scorpion venom: properties and applications. Appl Microbiol Biotechnol 2018; 102:6319-6331. [PMID: 29858954 DOI: 10.1007/s00253-018-9122-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 05/19/2018] [Accepted: 05/21/2018] [Indexed: 12/14/2022]
Abstract
Scorpion venom are composed mainly of bioactive proteins and peptides that may serve as lead compounds for the design of biotechnological tools and therapeutic drugs. However, exploring the therapeutic potential of scorpion venom components is mainly impaired by the low yield of purified toxins from milked venom. Therefore, production of toxin-derived peptides and proteins by heterologous expression is the strategy of choice for research groups and pharmaceutical industry to overcome this limitation. Recombinant expression in microorganisms is often the first choice, since bacteria and yeast systems combine high level of recombinant protein expression, fast cell growth and multiplication and simple media requirement. Herein, we present a comprehensive revision, which describes the scorpion venom components that were produced in their recombinant forms using microbial systems. In addition, we highlight the pros and cons of performing the heterologous expression of these compounds, regarding the particularities of each microorganism and how these processes can affect the application of these venom components. The most used microbial system in the heterologous expression of scorpion venom components is Escherichia coli (85%), and among all the recombinant venom components produced, 69% were neurotoxins. This review may light up future researchers in the choice of the best expression system to produce scorpion venom components of interest.
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Affiliation(s)
- Fernanda Gobbi Amorim
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. Do Café, s/n, Ribeirão Preto, SP, 14040-903, Brazil.
| | - Francielle Almeida Cordeiro
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. Do Café, s/n, Ribeirão Preto, SP, 14040-903, Brazil
| | - Ernesto Lopes Pinheiro-Júnior
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. Do Café, s/n, Ribeirão Preto, SP, 14040-903, Brazil
| | - Johara Boldrini-França
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. Do Café, s/n, Ribeirão Preto, SP, 14040-903, Brazil
| | - Eliane Candiani Arantes
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. Do Café, s/n, Ribeirão Preto, SP, 14040-903, Brazil.
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Wang Y, Chen Z, Luo G, He W, Xu K, Xu R, Lei Q, Tan J, Wu J, Xing M. In-Situ-Generated Vasoactive Intestinal Peptide Loaded Microspheres in Mussel-Inspired Polycaprolactone Nanosheets Creating Spatiotemporal Releasing Microenvironment to Promote Wound Healing and Angiogenesis. ACS APPLIED MATERIALS & INTERFACES 2016; 8:7411-7421. [PMID: 26914154 DOI: 10.1021/acsami.5b11332] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Vasoactive intestinal peptide (VIP) was reported to promote angiogenesis. Electrospun nanofibers lead to idea wound dressing substrates. Here we report a convenient and novel method to produce VIP loaded microspheres in polycaprolactone (PCL) nanofibrous membrane without complicated processes. We first coated mussel-inspired dopamine (DA) to nanofibers, then used strong adhesive DA to absorb the functional peptide. PCL membrane was then immersed into acetone to generate microspheres with VIP loading. We employed high pressure liquid chromatography to record encapsulation efficiency of (31.8 ± 2.2)% and loading capacity of (1.71 ± 0.16)%. The release profile of VIP from nanosheets showed a prolonged release. The results of laser scanning confocal microscope, scanning electron microscope and cell counting kit-8 proliferation assays showed that cell adhesion and proliferation were promoted. In order to verify the efficacy on wound healing, in vivo implantation was applied in the full-thickness defect wounds of BALB/c mice. Results showed that the wound healing was significantly promoted via favoring the growth of granulation tissue and angiogenesis. However, we found wound re-epithelialization was not significantly improved. The resulting VIP-DA-coated PCL (PCL-DA-VIP) nanosheets with spatiotemporal delivery of VIP could be a potential application in wound treatment and vascular tissue engineering.
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Affiliation(s)
- Yuzhen Wang
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, The Third Military Medical University , Chongqing 400038, China
- Chongqing Key Laboratory for Disease Proteomics , Chongqing 400038, China
| | - Zhiqiang Chen
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, The Third Military Medical University , Chongqing 400038, China
- Chongqing Key Laboratory for Disease Proteomics , Chongqing 400038, China
| | - Gaoxing Luo
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, The Third Military Medical University , Chongqing 400038, China
- Chongqing Key Laboratory for Disease Proteomics , Chongqing 400038, China
| | - Weifeng He
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, The Third Military Medical University , Chongqing 400038, China
- Chongqing Key Laboratory for Disease Proteomics , Chongqing 400038, China
| | - Kaige Xu
- Department of Mechanical Engineering, University of Manitoba , Winnipeg Manitoba R3T 2N2, Canada
- Department of Biochemistry and Medical Genetics, University of Manitoba , Winnipeg Manitoba R3T 2N2, Canada
- Children's Hospital Research Institute of Manitoba , Winnipeg, Manitoba R3E 3P4, Canada
| | - Rui Xu
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, The Third Military Medical University , Chongqing 400038, China
- Chongqing Key Laboratory for Disease Proteomics , Chongqing 400038, China
| | - Qiang Lei
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, The Third Military Medical University , Chongqing 400038, China
- Chongqing Key Laboratory for Disease Proteomics , Chongqing 400038, China
| | - Jianglin Tan
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, The Third Military Medical University , Chongqing 400038, China
- Chongqing Key Laboratory for Disease Proteomics , Chongqing 400038, China
| | - Jun Wu
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, The Third Military Medical University , Chongqing 400038, China
- Chongqing Key Laboratory for Disease Proteomics , Chongqing 400038, China
| | - Malcolm Xing
- Department of Mechanical Engineering, University of Manitoba , Winnipeg Manitoba R3T 2N2, Canada
- Department of Biochemistry and Medical Genetics, University of Manitoba , Winnipeg Manitoba R3T 2N2, Canada
- Children's Hospital Research Institute of Manitoba , Winnipeg, Manitoba R3E 3P4, Canada
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Wang X, Zhou P, Sun X, Wei G, Zhang L, Wang H, Yao J, Jia P, Zheng J. Modification of the hTERT promoter by heat shock elements enhances the efficiency and specificity of cancer targeted gene therapy. Int J Hyperthermia 2016; 32:244-53. [PMID: 26981638 DOI: 10.3109/02656736.2015.1128569] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
PURPOSE One of the current challenges facing cancer gene therapy is the tumour-specific targeting of therapeutic genes. Effective targeting in gene therapy requires accurate spatial and temporal control of gene expression. To develop a sufficient and accurate tumour-targeting method for cancer gene therapy, we have investigated the use of hyperthermia to control the expression of a transgene under the control of the human telomerase reverse transcriptase (hTERT) promoter and eight heat shock elements (8HSEs). MATERIALS AND METHODS Luciferase reporters were constructed by inserting eight HSEs and the hTERT promoter (8HSEs-hTERTp) upstream of the pGL4.20 vector luciferase gene. The luciferase activity of the hTERT promoter and 8HSEs-hTERT promoter were then compared in the presence and absence of heat. The differences in luciferase activity were analysed using dual luciferase assays in SW480 (high hTERT expression), MKN28 and MRC-5 cells (low hTERT expression). The luciferase activity of the Hsp70B promoter was also compared to the 8HSEs-hTERT promoter in the above listed cell lines. Lentiviral vector and heat-induced expression of EGFP expression under the control of the 8HSEs-hTERT promoter in cultured cells and mouse tumour xenografts was measured by reverse transcription polymerase (RT-PCR), Western blot and immunofluorescence assays. RESULTS hTERT promoter activity was higher in SW480 cells than in MKN28 or MRC-5 cells. At 43 °C, the luciferase activity of the 8HSEs-hTERT promoter was significantly increased in SW480 cells, but not in MKN28 or MRC-5 cells. Importantly, the differences in luciferase activity were much more obvious in both high (SW480) and low (MKN28 and MRC-5) hTERT expressing cells when the activity of the 8HSEs-hTERT promoter was compared to the Hsp70B promoter. Moreover, under the control of 8HSEs-hTERT promoter in vitro and in vivo, EGFP expression was obviously increased by heat treatment in SW480 cells but not in MKN28 or MRC-5 cells, nor was expression increased under normal temperature conditions. CONCLUSIONS The hTERT promoter is a potentially powerful tumour-specific promoter and gene therapy tool for cancer treatment. Incorporating heat-inducible therapeutic elements (8HSEs) into the hTERT promoter may enhance the efficiency and specificity of cancer targeting gene therapy under hyperthermic clinical conditions.
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Affiliation(s)
- Xiaolong Wang
- a Department of General Surgery , First Affiliated Hospital of Xi'an Jiaotong University , Xi'an , Shaanxi
| | - PeiHua Zhou
- a Department of General Surgery , First Affiliated Hospital of Xi'an Jiaotong University , Xi'an , Shaanxi
| | - XueJun Sun
- a Department of General Surgery , First Affiliated Hospital of Xi'an Jiaotong University , Xi'an , Shaanxi
| | - GuangBing Wei
- a Department of General Surgery , First Affiliated Hospital of Xi'an Jiaotong University , Xi'an , Shaanxi
| | - Li Zhang
- b Department of General Surgery , Second Affiliated Hospital of Xi'an Jiaotong University , Xi'an , Shaanxi
| | - Hui Wang
- c Shaanxi Provincial People's Hospital , Xi'an , Shaanxi , and
| | - JianFeng Yao
- c Shaanxi Provincial People's Hospital , Xi'an , Shaanxi , and
| | - PengBo Jia
- d First People's Hospital of XianYang City , XianYang , Shaanxi , China
| | - JianBao Zheng
- a Department of General Surgery , First Affiliated Hospital of Xi'an Jiaotong University , Xi'an , Shaanxi
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Wang Y, Xu R, Luo G, Lei Q, Shu Q, Yao Z, Li H, Zhou J, Tan J, Yang S, Zhan R, He W, Wu J. Biomimetic fibroblast-loaded artificial dermis with "sandwich" structure and designed gradient pore sizes promotes wound healing by favoring granulation tissue formation and wound re-epithelialization. Acta Biomater 2016; 30:246-257. [PMID: 26602823 DOI: 10.1016/j.actbio.2015.11.035] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Revised: 11/17/2015] [Accepted: 11/17/2015] [Indexed: 12/18/2022]
Abstract
The structure of dermal scaffolds greatly affects the engineered tissue's functions and the activities of seeded cells. Current strategies of dermal scaffold design tend to yield a homogeneous architecture with a uniform pore size. However, the structures of the human dermis are not homogeneous in terms of either interstitial spaces or architecture at different dermal depths. In the present study, a biomimetic fibroblasts-loaded artificial dermis composed of three-layer scaffolds with different pore sizes was prepared. The three-layer scaffolds, which look similar to a sandwich, mimic the natural structures of the human dermis, which has comparatively larger pores in the outer layers and smaller pores in the middle layer. The fibroblasts-loaded artificial dermis were shown to favor wound healing by promoting granulation tissue formation and wound re-epithelialization, as determined by a histological study and Western blotting. Our data indicated that the biomimetic fibroblasts-loaded artificial dermis with "Sandwich" structure and designed gradient pore sizes may hold promise as tissue-engineered dermis. STATEMENT OF SIGNIFICANCE Pore size effect on wound healing had been extensively studied. However, it is still not well understood whether dermal scaffolds with a uniform pore size are better than that with varied pore sizes, which are similar to human dermis as determined by our previous work. In our study, we demonstrated that the "sandwich" collagen scaffolds mimicking the natural structures of the human dermis significantly promoted wound healing compared with the "Homogeneous" scaffolds with a uniform pore size. These results may be helpful in the design of dermal scaffolds.
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Affiliation(s)
- Yuzhen Wang
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, The Third Military Medical University, Chongqing 400038, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing 400038, China
| | - Rui Xu
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, The Third Military Medical University, Chongqing 400038, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing 400038, China
| | - Gaoxing Luo
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, The Third Military Medical University, Chongqing 400038, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing 400038, China
| | - Qiang Lei
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, The Third Military Medical University, Chongqing 400038, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing 400038, China
| | - Qin Shu
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, The Third Military Medical University, Chongqing 400038, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing 400038, China
| | - Zhihui Yao
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, The Third Military Medical University, Chongqing 400038, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing 400038, China
| | - Haisheng Li
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, The Third Military Medical University, Chongqing 400038, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing 400038, China
| | - Junyi Zhou
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, The Third Military Medical University, Chongqing 400038, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing 400038, China
| | - Jianglin Tan
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, The Third Military Medical University, Chongqing 400038, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing 400038, China
| | - Sisi Yang
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, The Third Military Medical University, Chongqing 400038, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing 400038, China
| | - Rixing Zhan
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, The Third Military Medical University, Chongqing 400038, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing 400038, China
| | - Weifeng He
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, The Third Military Medical University, Chongqing 400038, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing 400038, China.
| | - Jun Wu
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, The Third Military Medical University, Chongqing 400038, China; Chongqing Key Laboratory for Disease Proteomics, Chongqing 400038, China.
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