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Xia H, Yang D, He W, Zhu X, Yan Y, Liu Z, Liu T, Yang J, Tan S, Jiang J, Hou X, Gao H, Ni L, Lu J. Ultrasound-mediated microbubbles cavitation enhanced chemotherapy of advanced prostate cancer by increasing the permeability of blood-prostate barrier. Transl Oncol 2021; 14:101177. [PMID: 34271256 PMCID: PMC8287239 DOI: 10.1016/j.tranon.2021.101177] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 07/04/2021] [Accepted: 07/08/2021] [Indexed: 12/25/2022] Open
Abstract
Combination therapy increased cell apoptosis and the inhibition of cell viability. Combination therapy enhanced chemotherapy efficacy by increasing cell permeability. Success in developing an orthotopic model of prostate tumor implantation in mice. Combination therapy inhibited tumor growth and prolonged the survival of mice.
Although chemotherapy is an important treatment for advanced prostate cancer, its efficacy is relatively limited. Ultrasound-induced cavitation plays an important role in drug delivery and gene transfection. However, whether cavitation can improve the efficacy of chemotherapy for prostate cancer remains unclear. In this study, we treated RM-1 mouse prostate carcinoma cells with a combination of ultrasound-mediated microbubble cavitation and paclitaxel. Our results showed that combination therapy led to a more pronounced inhibition of cell viability and increased cell apoptosis. The enhanced efficacy of chemotherapy was attributed to the increased cell permeability induced by cavitation. Importantly, compared with chemotherapy alone (nab-paclitaxel), chemotherapy combined with ultrasound-mediated microbubble cavitation significantly inhibited tumor growth and prolonged the survival of tumor-bearing mice in an orthotopic mouse model of RM-1 prostate carcinoma, indicating the synergistic effects of combined therapy on tumor reduction. Furthermore, we analyzed tumor-infiltrating lymphocytes and found that during chemotherapy, the proportions of CTLA4+ cells and PD-1+/CTLA4+ cells in CD8+ T cells slightly increased after cavitation treatment.
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Affiliation(s)
- Haizhui Xia
- Department of Urology, Peking University Third Hospital, Beijing 100191, China
| | - Decao Yang
- Institute of Medical Innovation and Research, Peking University Third Hospital, Beijing 100191, China
| | - Wei He
- Department of Urology, Peking University Third Hospital, Beijing 100191, China
| | - Xuehua Zhu
- Department of Urology, Peking University Third Hospital, Beijing 100191, China
| | - Ye Yan
- Department of Urology, Peking University Third Hospital, Beijing 100191, China
| | - Zenan Liu
- Department of Urology, Peking University Third Hospital, Beijing 100191, China
| | - Tong Liu
- Institute of Medical Innovation and Research, Peking University Third Hospital, Beijing 100191, China
| | - Jianling Yang
- Institute of Medical Innovation and Research, Peking University Third Hospital, Beijing 100191, China
| | - Shi Tan
- Department of Ultrasound, Peking University Third Hospital, Beijing 100191, China
| | - Jie Jiang
- Department of Ultrasound, Peking University Third Hospital, Beijing 100191, China
| | - Xiaofei Hou
- Department of Urology, Peking University Third Hospital, Beijing 100191, China
| | - Huile Gao
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Ling Ni
- Institute for Immunology and School of Medicine, Tsinghua University, Medical Research Building, Beijing 100084, China
| | - Jian Lu
- Department of Urology, Peking University Third Hospital, Beijing 100191, China.
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Lin YC, Shih CP, Chen HC, Chou YL, Sytwu HK, Fang MC, Lin YY, Kuo CY, Su HH, Hung CL, Chen HK, Wang CH. Ultrasound Microbubble-Facilitated Inner Ear Delivery of Gold Nanoparticles Involves Transient Disruption of the Tight Junction Barrier in the Round Window Membrane. Front Pharmacol 2021; 12:689032. [PMID: 34262458 PMCID: PMC8273281 DOI: 10.3389/fphar.2021.689032] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 06/16/2021] [Indexed: 11/15/2022] Open
Abstract
The application of ultrasound microbubbles (USMBs) enhances the permeability of the round window membrane (RWM) and improves drug delivery to the inner ear. In this study, we investigated the efficiency of USMB-aided delivery of chitosan-coated gold nanoparticles (CS-AuNPs) and the mechanism of USMB-mediated enhancement of RMW permeability. We exposed mouse inner ears to USMBs at an intensity of 2 W/cm2 and then filled the tympanic bulla with CS-AuNPs or fluorescein isothiocyanate-decorated CS-AuNPs (FITC-CS-AuNPs). The membrane uptake of FITC-CS-AuNPs and their depth of permeation into the three-layer structure of the RWM, with or without prior USMB treatment, were visualized by z-stack confocal laser scanning microscopy. Ultrastructural changes in the RWM due to USMB-mediated cavitation appeared as sunburn-like peeling and various degrees of depression in the RWM surface, with pore-like openings forming in the outer epithelium. This disruption of the outer epithelium was paralleled by a transient reduction in tight junction (TJ)-associated protein levels in the RWM and an enhanced delivery of FITC-CS-AuNPs into the RWM. Without prior USMB exposure, the treatment with CS-AuNPs also caused a noticeable reduction in TJ proteins of the RWM. Our findings indicated that the combined treatment with USMBs and CS-AuNPs represents a promising and efficient drug and gene delivery vehicle for a trans-RWM approach for inner ear therapy. The outer epithelial layer of the RWM plays a decisive role in controlling the transmembrane transport of substances such as CS-AuNPs following the administration of USMBs. Most importantly, the enhanced permeation of AuNPs involved the transient disruption of the TJ-created paracellular barrier in the outer epithelium of the RWM.
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Affiliation(s)
- Yi-Chun Lin
- National Defense Medical Center, Graduate Institute of Medical Sciences, Taipei, Taiwan
| | - Cheng-Ping Shih
- Department of Otolaryngology-Head and Neck Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Hsin-Chien Chen
- Department of Otolaryngology-Head and Neck Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Ying-Liang Chou
- Department of Otolaryngology-Head and Neck Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.,Department of Otorhinolaryngology, Taichung Armed Forces General Hospital, Taichung, Taiwan
| | - Huey-Kang Sytwu
- National Defense Medical Center, Graduate Institute of Medical Sciences, Taipei, Taiwan.,National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Zhunan Town, Miaoli County, Taiwan
| | - Mei-Cho Fang
- Laboratory Animal Center, National Defense Medical Center, Taipei, Taiwan
| | - Yuan-Yung Lin
- National Defense Medical Center, Graduate Institute of Medical Sciences, Taipei, Taiwan.,Department of Otolaryngology-Head and Neck Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Chao-Yin Kuo
- Department of Otolaryngology-Head and Neck Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Hsiao-Han Su
- Department of Otolaryngology-Head and Neck Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Chia-Lien Hung
- Department of Otorhinolaryngology, Taichung Armed Forces General Hospital, Taichung, Taiwan
| | - Hang-Kang Chen
- Department of Otolaryngology-Head and Neck Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.,Department of Otorhinolaryngology, Taichung Armed Forces General Hospital, Taichung, Taiwan
| | - Chih-Hung Wang
- National Defense Medical Center, Graduate Institute of Medical Sciences, Taipei, Taiwan.,Department of Otolaryngology-Head and Neck Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.,Department of Otorhinolaryngology, Taichung Armed Forces General Hospital, Taichung, Taiwan.,National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Zhunan Town, Miaoli County, Taiwan
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Silva JAF, Calmasini F, Siqueira-Berti A, Moraes-Vieira PMM, Quintar A, Carvalho HF. Prostate immunology: A challenging puzzle. J Reprod Immunol 2020; 142:103190. [PMID: 32853844 DOI: 10.1016/j.jri.2020.103190] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 07/30/2020] [Accepted: 08/11/2020] [Indexed: 12/15/2022]
Abstract
Mucosal immunity defines the relationship of surfaces in contact with the environment and integrates diverse tissues such as epidermis, gum, nose, gut, uterus and prostate with the immune system. Although considered part of a system, each mucosa presents specific immune features beyond the barrier and secretory functions. Information regarding the mucosal immunology of the male reproductive tract and the prostate gland in particular is scarce. In this review, we approach the prostate as an epithelial barrier and as part of the mucosal immune system. Finally, we also raise a series of questions that will improve the understanding of this gland, its role in reproduction and its sensitivity/resistance to disease.
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Affiliation(s)
- Juliete Aparecida F Silva
- Department of Structural and Functional Biology, State University of Campinas - UNICAMP, Campinas, SP, Brazil
| | - Fabiano Calmasini
- Department of Structural and Functional Biology, State University of Campinas - UNICAMP, Campinas, SP, Brazil
| | - Aline Siqueira-Berti
- Department of Structural and Functional Biology, State University of Campinas - UNICAMP, Campinas, SP, Brazil
| | - Pedro M M Moraes-Vieira
- Department of Genetics, Evolution, Microbiology and Immunology, State University of Campinas, UNICAMP, Campinas, SP, Brazil
| | - Amado Quintar
- Centro de Microscopía Electrónica, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Hernandes F Carvalho
- Department of Structural and Functional Biology, State University of Campinas - UNICAMP, Campinas, SP, Brazil; National Institute of Science and Technology of Photonics Applied to Cell Biology - INFABiC, Campinas, SP, Brazil.
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Espitalier F, Darrouzain F, Escoffre JM, Ternant D, Piver E, Bouakaz A, Remerand F. Enhanced Amikacin Diffusion With Ultrasound and Microbubbles in a Mechanically Ventilated Condensed Lung Rabbit Model. Front Pharmacol 2020; 10:1562. [PMID: 32009963 PMCID: PMC6976529 DOI: 10.3389/fphar.2019.01562] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 12/03/2019] [Indexed: 12/28/2022] Open
Abstract
The poor diffusion of intravenous antibiotics in lung tissue makes nosocomial pneumonia challenging to treat, notably in critical patients under mechanical ventilation. The combination of ultrasound and microbubbles (USMB) is an emerging method for non-invasive and targeted enhancement of uptake of various drugs in several organs. This study aims to evaluate if USMB may increase amikacin concentration in condensed lung tissues in a mechanically ventilated rabbit model. When applied 60 or 160 min after the beginning of an intravenous amikacin infusion, USMB increased amikacin concentration in the condensed lung tissue by 1.33 (p = 0.025) or 1.56-fold (p = 0.028) respectively. When applied 70 min after the beginning of an intravenous amikacin infusion, USMB increased amikacin concentration in the muscle tissue by 2.52 (p = 0.025). In conclusion, this study demonstrates that USMB is a promising method for the targeted delivery of amikacin in mechanically ventilated condensed lung, thus opening new therapeutic fields against lung infections.
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Affiliation(s)
- Fabien Espitalier
- UMR 1253, iBrain, Université de Tours, Inserm, Tours, France.,Pôle Anesthésie Réanimations, Hôpital Trousseau, CHRU de Tours, Tours, France
| | - François Darrouzain
- Laboratoire de Pharmacologie-Toxicologie, Hôpital Bretonneau, CHRU de Tours, Tours, France.,Équipe PATCH, EA 7501 GICC, Tours, France
| | | | - David Ternant
- Laboratoire de Pharmacologie-Toxicologie, Hôpital Bretonneau, CHRU de Tours, Tours, France.,Équipe PATCH, EA 7501 GICC, Tours, France
| | - Eric Piver
- Laboratoire de Biochimie, Hôpital Trousseau, CHRU de Tours, Tours, France
| | - Ayache Bouakaz
- UMR 1253, iBrain, Université de Tours, Inserm, Tours, France
| | - Francis Remerand
- UMR 1253, iBrain, Université de Tours, Inserm, Tours, France.,Pôle Anesthésie Réanimations, Hôpital Trousseau, CHRU de Tours, Tours, France
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