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Hashimoto D, Hirashima T, Yamamura H, Kataoka T, Fujimoto K, Hyuga T, Yoshiki A, Kimura K, Kuroki S, Tachibana M, Suzuki K, Yamamoto N, Morioka S, Sasaki T, Yamada G. Dynamic erectile responses of a novel penile organ model utilizing TPEM†. Biol Reprod 2021; 104:875-886. [PMID: 33511393 DOI: 10.1093/biolre/ioab011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Male penis is required to become erect during copulation. In the upper (dorsal) part of penis, the erectile tissue termed corpus cavernosum (CC) plays fundamental roles for erection by regulating the inner blood flow. When blood flows into the CC, the microvascular complex termed sinusoidal space is reported to expand during erection. A novel in vitro explant system to analyze the dynamic erectile responses during contraction/relaxation is established. The current data show regulatory contraction/relaxation processes induced by phenylephrine (PE) and nitric oxide (NO) donor mimicking dynamic erectile responses by in vitro CC explants. Two-photon excitation microscopy (TPEM) observation shows the synchronous movement of sinusoidal space and the entire CC. By taking advantages of the CC explant system, tadalafil (Cialis) was shown to increase sinusoidal relaxation. Histopathological changes have been generally reported associating with erection in several pathological conditions. Various stressed statuses have been suggested to occur in the erectile responses by previous studies. The current CC explant model enables to analyze such conditions through directly manipulating CC in the repeated contraction/relaxation processes. Expression of oxidative stress marker and contraction-related genes, Hypoxia-inducible factor 1-alpha (Hif1a), glutathione peroxidase 1 (Gpx1), Ras homolog family member A (RhoA), and Rho-associated protein kinase (Rock), was significantly increased in such repeated contraction/relaxation. Altogether, it is suggested that the system is valuable for analyzing structural changes and physiological responses to several regulators in the field of penile medicine.
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Affiliation(s)
- Daiki Hashimoto
- Department of Developmental Genetics, Institute of Advanced Medicine, Wakayama Medical University (WMU), Wakayama, Japan
| | - Tsuyoshi Hirashima
- Department of Pathology and Biology of Diseases, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto, Japan
| | - Hisao Yamamura
- Department of Molecular and Cellular Pharmacology, Graduate School of Pharmaceutical Sciences, Nagoya City University, Nagoya, Japan
| | - Tomoya Kataoka
- Department of Clinical Pharmaceutics, Graduate School of Medical Sciences, Nagoya City University, Nagoya, Japan
| | - Kota Fujimoto
- Department of Developmental Genetics, Institute of Advanced Medicine, Wakayama Medical University (WMU), Wakayama, Japan
| | - Taiju Hyuga
- Department of Developmental Genetics, Institute of Advanced Medicine, Wakayama Medical University (WMU), Wakayama, Japan
| | - Atsushi Yoshiki
- Experimental Animal Division, RIKEN BioResource Research Center, Tsukuba, Ibaraki, Japan
| | - Kazunori Kimura
- Department of Clinical Pharmaceutics, Graduate School of Medical Sciences, Nagoya City University, Nagoya, Japan.,Department of Hospital Pharmacy, Graduate School of Pharmaceutical Sciences, Nagoya City University, Nagoya, Japan
| | - Shunsuke Kuroki
- Graduate School of Frontier Biosciences, Osaka University, Osaka, Japan
| | - Makoto Tachibana
- Graduate School of Frontier Biosciences, Osaka University, Osaka, Japan
| | - Kentaro Suzuki
- Department of Developmental Genetics, Institute of Advanced Medicine, Wakayama Medical University (WMU), Wakayama, Japan
| | - Nobuhiko Yamamoto
- Cellular and Molecular Neurobiology Group, Graduate School of Frontier Biosciences, Osaka University, Osaka, Japan
| | - Shin Morioka
- Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - Takehiko Sasaki
- Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - Gen Yamada
- Department of Developmental Genetics, Institute of Advanced Medicine, Wakayama Medical University (WMU), Wakayama, Japan
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Qiang Y, Ruijun G, Zhen C, Zhian L, Changyan L, Xiaohui Y, Shu L, Jie L, Yuanfeng M, Ruobing Z, Yan C, Qiao M, Shuang Z, Zhu Y. Evaluation of the impact of passive smoke on arterial elasticity via echo-tracking technology in a rabbit model. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2014; 33:1949-1956. [PMID: 25336482 DOI: 10.7863/ultra.33.11.1949] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
OBJECTIVES The purpose of this study was to evaluate the elasticity of the abdominal aorta in passively smoking rabbits using echo-tracking technology and pathologic examination. METHODS Fifty-four male New Zealand White rabbits were randomly divided into a passive smoking group and a normal control group. The elasticity indicators for the abdominal aorta of the rabbits were measured by means of echo tracking, which was performed before and 1, 2, and 3 months after passive smoking. Measured indicators included the pressure-strain elastic modulus, stiffness, arterial compliance, augmentation index, and pulse wave velocity. After the completion of the in vivo measurements, rabbits were euthanized randomly, and the corresponding arterial sites were resected for pathologic examination and in vitro measurement of vascular elasticity. RESULTS The echo-tracking technology used in our research proved that the elastic modulus, stiffness, and pulse wave velocity gradually increased with time by passive smoking, whereas arterial compliance decreased by passive smoking. Pathologic examination and in vitro measurements were performed and further confirmed the observed in vivo results. CONCLUSIONS Passive smoking can injure arteries and reduce arterial elasticity. Echo-tracking technology is an accurate, noninvasive, and reliable method for analysis of the impact of passive smoking on arterial elasticity and detection arterial injury, which also can provide a new instructional basis for prevention and treatment of several arterial diseases.
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Affiliation(s)
- Yong Qiang
- Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Anzhen Hospital, Beijing, China (Y.Q., L.Z., Z.S., Y.Z.); Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Chaoyang Hospital, Beijing, China (G.R.); Department of Ultrasound Diagnosis, Beijing Haidian Hospital, Beijing, China (C.Z.); Beijing Institute of Cardiopulmonary Vascular Disease, Biomedical Engineering Research Center, Beijing, China (L.C.); Cardiovascular Disease Control and Prevention Office, Beijing, China (Y.X.); Research Department of Arteriosclerosis, Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing Anzhen Hospital, Affiliated With Capital University of Medical Sciences, Beijing, China (L.S., L.J.); Department of Ultrasound Diagnosis, First Affiliated Hospital of Peking University, Beijing, China (M.Y.); Capital Medical University, Beijing, China (Z.R., C.Y.); Function Department, Huilongguan Community Health Service Center, Beijing, China (M.Q.).
| | - Guo Ruijun
- Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Anzhen Hospital, Beijing, China (Y.Q., L.Z., Z.S., Y.Z.); Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Chaoyang Hospital, Beijing, China (G.R.); Department of Ultrasound Diagnosis, Beijing Haidian Hospital, Beijing, China (C.Z.); Beijing Institute of Cardiopulmonary Vascular Disease, Biomedical Engineering Research Center, Beijing, China (L.C.); Cardiovascular Disease Control and Prevention Office, Beijing, China (Y.X.); Research Department of Arteriosclerosis, Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing Anzhen Hospital, Affiliated With Capital University of Medical Sciences, Beijing, China (L.S., L.J.); Department of Ultrasound Diagnosis, First Affiliated Hospital of Peking University, Beijing, China (M.Y.); Capital Medical University, Beijing, China (Z.R., C.Y.); Function Department, Huilongguan Community Health Service Center, Beijing, China (M.Q.)
| | - Chen Zhen
- Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Anzhen Hospital, Beijing, China (Y.Q., L.Z., Z.S., Y.Z.); Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Chaoyang Hospital, Beijing, China (G.R.); Department of Ultrasound Diagnosis, Beijing Haidian Hospital, Beijing, China (C.Z.); Beijing Institute of Cardiopulmonary Vascular Disease, Biomedical Engineering Research Center, Beijing, China (L.C.); Cardiovascular Disease Control and Prevention Office, Beijing, China (Y.X.); Research Department of Arteriosclerosis, Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing Anzhen Hospital, Affiliated With Capital University of Medical Sciences, Beijing, China (L.S., L.J.); Department of Ultrasound Diagnosis, First Affiliated Hospital of Peking University, Beijing, China (M.Y.); Capital Medical University, Beijing, China (Z.R., C.Y.); Function Department, Huilongguan Community Health Service Center, Beijing, China (M.Q.)
| | - Li Zhian
- Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Anzhen Hospital, Beijing, China (Y.Q., L.Z., Z.S., Y.Z.); Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Chaoyang Hospital, Beijing, China (G.R.); Department of Ultrasound Diagnosis, Beijing Haidian Hospital, Beijing, China (C.Z.); Beijing Institute of Cardiopulmonary Vascular Disease, Biomedical Engineering Research Center, Beijing, China (L.C.); Cardiovascular Disease Control and Prevention Office, Beijing, China (Y.X.); Research Department of Arteriosclerosis, Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing Anzhen Hospital, Affiliated With Capital University of Medical Sciences, Beijing, China (L.S., L.J.); Department of Ultrasound Diagnosis, First Affiliated Hospital of Peking University, Beijing, China (M.Y.); Capital Medical University, Beijing, China (Z.R., C.Y.); Function Department, Huilongguan Community Health Service Center, Beijing, China (M.Q.)
| | - Lin Changyan
- Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Anzhen Hospital, Beijing, China (Y.Q., L.Z., Z.S., Y.Z.); Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Chaoyang Hospital, Beijing, China (G.R.); Department of Ultrasound Diagnosis, Beijing Haidian Hospital, Beijing, China (C.Z.); Beijing Institute of Cardiopulmonary Vascular Disease, Biomedical Engineering Research Center, Beijing, China (L.C.); Cardiovascular Disease Control and Prevention Office, Beijing, China (Y.X.); Research Department of Arteriosclerosis, Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing Anzhen Hospital, Affiliated With Capital University of Medical Sciences, Beijing, China (L.S., L.J.); Department of Ultrasound Diagnosis, First Affiliated Hospital of Peking University, Beijing, China (M.Y.); Capital Medical University, Beijing, China (Z.R., C.Y.); Function Department, Huilongguan Community Health Service Center, Beijing, China (M.Q.)
| | - Yang Xiaohui
- Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Anzhen Hospital, Beijing, China (Y.Q., L.Z., Z.S., Y.Z.); Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Chaoyang Hospital, Beijing, China (G.R.); Department of Ultrasound Diagnosis, Beijing Haidian Hospital, Beijing, China (C.Z.); Beijing Institute of Cardiopulmonary Vascular Disease, Biomedical Engineering Research Center, Beijing, China (L.C.); Cardiovascular Disease Control and Prevention Office, Beijing, China (Y.X.); Research Department of Arteriosclerosis, Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing Anzhen Hospital, Affiliated With Capital University of Medical Sciences, Beijing, China (L.S., L.J.); Department of Ultrasound Diagnosis, First Affiliated Hospital of Peking University, Beijing, China (M.Y.); Capital Medical University, Beijing, China (Z.R., C.Y.); Function Department, Huilongguan Community Health Service Center, Beijing, China (M.Q.)
| | - Liu Shu
- Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Anzhen Hospital, Beijing, China (Y.Q., L.Z., Z.S., Y.Z.); Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Chaoyang Hospital, Beijing, China (G.R.); Department of Ultrasound Diagnosis, Beijing Haidian Hospital, Beijing, China (C.Z.); Beijing Institute of Cardiopulmonary Vascular Disease, Biomedical Engineering Research Center, Beijing, China (L.C.); Cardiovascular Disease Control and Prevention Office, Beijing, China (Y.X.); Research Department of Arteriosclerosis, Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing Anzhen Hospital, Affiliated With Capital University of Medical Sciences, Beijing, China (L.S., L.J.); Department of Ultrasound Diagnosis, First Affiliated Hospital of Peking University, Beijing, China (M.Y.); Capital Medical University, Beijing, China (Z.R., C.Y.); Function Department, Huilongguan Community Health Service Center, Beijing, China (M.Q.)
| | - Lin Jie
- Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Anzhen Hospital, Beijing, China (Y.Q., L.Z., Z.S., Y.Z.); Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Chaoyang Hospital, Beijing, China (G.R.); Department of Ultrasound Diagnosis, Beijing Haidian Hospital, Beijing, China (C.Z.); Beijing Institute of Cardiopulmonary Vascular Disease, Biomedical Engineering Research Center, Beijing, China (L.C.); Cardiovascular Disease Control and Prevention Office, Beijing, China (Y.X.); Research Department of Arteriosclerosis, Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing Anzhen Hospital, Affiliated With Capital University of Medical Sciences, Beijing, China (L.S., L.J.); Department of Ultrasound Diagnosis, First Affiliated Hospital of Peking University, Beijing, China (M.Y.); Capital Medical University, Beijing, China (Z.R., C.Y.); Function Department, Huilongguan Community Health Service Center, Beijing, China (M.Q.)
| | - Meng Yuanfeng
- Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Anzhen Hospital, Beijing, China (Y.Q., L.Z., Z.S., Y.Z.); Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Chaoyang Hospital, Beijing, China (G.R.); Department of Ultrasound Diagnosis, Beijing Haidian Hospital, Beijing, China (C.Z.); Beijing Institute of Cardiopulmonary Vascular Disease, Biomedical Engineering Research Center, Beijing, China (L.C.); Cardiovascular Disease Control and Prevention Office, Beijing, China (Y.X.); Research Department of Arteriosclerosis, Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing Anzhen Hospital, Affiliated With Capital University of Medical Sciences, Beijing, China (L.S., L.J.); Department of Ultrasound Diagnosis, First Affiliated Hospital of Peking University, Beijing, China (M.Y.); Capital Medical University, Beijing, China (Z.R., C.Y.); Function Department, Huilongguan Community Health Service Center, Beijing, China (M.Q.)
| | - Zhang Ruobing
- Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Anzhen Hospital, Beijing, China (Y.Q., L.Z., Z.S., Y.Z.); Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Chaoyang Hospital, Beijing, China (G.R.); Department of Ultrasound Diagnosis, Beijing Haidian Hospital, Beijing, China (C.Z.); Beijing Institute of Cardiopulmonary Vascular Disease, Biomedical Engineering Research Center, Beijing, China (L.C.); Cardiovascular Disease Control and Prevention Office, Beijing, China (Y.X.); Research Department of Arteriosclerosis, Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing Anzhen Hospital, Affiliated With Capital University of Medical Sciences, Beijing, China (L.S., L.J.); Department of Ultrasound Diagnosis, First Affiliated Hospital of Peking University, Beijing, China (M.Y.); Capital Medical University, Beijing, China (Z.R., C.Y.); Function Department, Huilongguan Community Health Service Center, Beijing, China (M.Q.)
| | - Cao Yan
- Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Anzhen Hospital, Beijing, China (Y.Q., L.Z., Z.S., Y.Z.); Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Chaoyang Hospital, Beijing, China (G.R.); Department of Ultrasound Diagnosis, Beijing Haidian Hospital, Beijing, China (C.Z.); Beijing Institute of Cardiopulmonary Vascular Disease, Biomedical Engineering Research Center, Beijing, China (L.C.); Cardiovascular Disease Control and Prevention Office, Beijing, China (Y.X.); Research Department of Arteriosclerosis, Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing Anzhen Hospital, Affiliated With Capital University of Medical Sciences, Beijing, China (L.S., L.J.); Department of Ultrasound Diagnosis, First Affiliated Hospital of Peking University, Beijing, China (M.Y.); Capital Medical University, Beijing, China (Z.R., C.Y.); Function Department, Huilongguan Community Health Service Center, Beijing, China (M.Q.)
| | - Ma Qiao
- Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Anzhen Hospital, Beijing, China (Y.Q., L.Z., Z.S., Y.Z.); Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Chaoyang Hospital, Beijing, China (G.R.); Department of Ultrasound Diagnosis, Beijing Haidian Hospital, Beijing, China (C.Z.); Beijing Institute of Cardiopulmonary Vascular Disease, Biomedical Engineering Research Center, Beijing, China (L.C.); Cardiovascular Disease Control and Prevention Office, Beijing, China (Y.X.); Research Department of Arteriosclerosis, Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing Anzhen Hospital, Affiliated With Capital University of Medical Sciences, Beijing, China (L.S., L.J.); Department of Ultrasound Diagnosis, First Affiliated Hospital of Peking University, Beijing, China (M.Y.); Capital Medical University, Beijing, China (Z.R., C.Y.); Function Department, Huilongguan Community Health Service Center, Beijing, China (M.Q.)
| | - Zhang Shuang
- Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Anzhen Hospital, Beijing, China (Y.Q., L.Z., Z.S., Y.Z.); Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Chaoyang Hospital, Beijing, China (G.R.); Department of Ultrasound Diagnosis, Beijing Haidian Hospital, Beijing, China (C.Z.); Beijing Institute of Cardiopulmonary Vascular Disease, Biomedical Engineering Research Center, Beijing, China (L.C.); Cardiovascular Disease Control and Prevention Office, Beijing, China (Y.X.); Research Department of Arteriosclerosis, Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing Anzhen Hospital, Affiliated With Capital University of Medical Sciences, Beijing, China (L.S., L.J.); Department of Ultrasound Diagnosis, First Affiliated Hospital of Peking University, Beijing, China (M.Y.); Capital Medical University, Beijing, China (Z.R., C.Y.); Function Department, Huilongguan Community Health Service Center, Beijing, China (M.Q.)
| | - Yuping Zhu
- Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Anzhen Hospital, Beijing, China (Y.Q., L.Z., Z.S., Y.Z.); Department of Ultrasound Diagnosis, Capital Medical University Affiliated Beijing Chaoyang Hospital, Beijing, China (G.R.); Department of Ultrasound Diagnosis, Beijing Haidian Hospital, Beijing, China (C.Z.); Beijing Institute of Cardiopulmonary Vascular Disease, Biomedical Engineering Research Center, Beijing, China (L.C.); Cardiovascular Disease Control and Prevention Office, Beijing, China (Y.X.); Research Department of Arteriosclerosis, Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing Anzhen Hospital, Affiliated With Capital University of Medical Sciences, Beijing, China (L.S., L.J.); Department of Ultrasound Diagnosis, First Affiliated Hospital of Peking University, Beijing, China (M.Y.); Capital Medical University, Beijing, China (Z.R., C.Y.); Function Department, Huilongguan Community Health Service Center, Beijing, China (M.Q.)
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