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Suzuki Y, Kaneko H, Okada A, Ohno R, Yokota I, Fujiu K, Jo T, Takeda N, Morita H, Node K, Yasunaga H, Komuro I. Comparison of SGLT2 inhibitors vs. DPP4 inhibitors for patients with metabolic dysfunction associated fatty liver disease and diabetes mellitus. J Endocrinol Invest 2024; 47:1261-1270. [PMID: 38114769 PMCID: PMC11035461 DOI: 10.1007/s40618-023-02246-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 11/11/2023] [Indexed: 12/21/2023]
Abstract
PURPOSE This study aimed to examine the potential benefit of sodium-glucose cotransporter 2 (SGLT2) inhibitors for patients with metabolic dysfunction-associated fatty liver disease (MAFLD) and diabetes mellitus (DM) using a real-world database. METHODS We analyzed individuals with MAFLD and DM newly initiated on SGLT2 or dipeptidyl peptidase 4 (DPP4) inhibitors from a large-scale administrative claims database. The primary outcome was the change in the fatty liver index (FLI) assessed using a linear mixed-effects model from the initiation of SGLT2 or DPP4 inhibitors. A propensity score-matching algorithm was used to compare the change in FLI among SGLT2 and DPP4 inhibitors. RESULTS After propensity score matching, 6547 well-balanced pairs of SGLT2 and 6547 DPP4 inhibitor users were created. SGLT2 inhibitor use was associated with a greater decline in FLI than DPP4 inhibitor use (difference at 1-year measurement, - 3.8 [95% CI - 4.7 to - 3.0]). The advantage of SGLT2 inhibitor use over DPP4 inhibitor use for improvement in FLI was consistent across subgroups. The relationship between SGLT2 inhibitors and amelioration of FLI was comparable between individual SGLT2 inhibitors. CONCLUSIONS Our analysis using large-scale real-world data demonstrated the potential advantage of SGLT2 inhibitors over DPP4 inhibitors in patients with MAFLD and DM.
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Grants
- 21AA2007 Ministry of Health, Labour and Welfare
- 20H03907 the Ministry of Education, Culture, Sports, Science and Technology
- 21H03159 the Ministry of Education, Culture, Sports, Science and Technology
- 21K08123 the Ministry of Education, Culture, Sports, Science and Technology
- 22K21133 the Ministry of Education, Culture, Sports, Science and Technology
- The University of Tokyo
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Affiliation(s)
- Y Suzuki
- The Department of Cardiovascular Medicine, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
- Center for Outcomes Research and Economic Evaluation for Health, National Institute of Public Health, Saitama, Japan
| | - H Kaneko
- The Department of Cardiovascular Medicine, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan.
- The Department of Advanced Cardiology, The University of Tokyo, Tokyo, Japan.
| | - A Okada
- Department of Prevention of Diabetes and Lifestyle-Related Diseases, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - R Ohno
- The Department of Cardiovascular Medicine, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - I Yokota
- Department of Biostatistics, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - K Fujiu
- The Department of Cardiovascular Medicine, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
- The Department of Advanced Cardiology, The University of Tokyo, Tokyo, Japan
| | - T Jo
- The Department of Health Services Research, The University of Tokyo, Tokyo, Japan
| | - N Takeda
- The Department of Cardiovascular Medicine, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - H Morita
- The Department of Cardiovascular Medicine, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - K Node
- Department of Cardiovascular Medicine, Saga University, Saga, Japan
| | - H Yasunaga
- Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, Tokyo, Japan
| | - I Komuro
- The Department of Cardiovascular Medicine, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
- International University of Health and Welfare, Tokyo, Japan
- Department of Frontier Cardiovascular Science, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
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Fujioka H, Yasui M, Hamada S, Fukumi K, Takeda N, Kobayashi Y, Furuta T, Ueda M. Palladium-catalyzed C-C bond cleavage of N-cyclopropyl acylhydrazones. Org Biomol Chem 2024; 22:3262-3267. [PMID: 38568183 DOI: 10.1039/d4ob00349g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
Despite their utility as directing groups, the C-C bond cleavage of cyclopropanes utilizing hydrazones has not been explored. Herein, Pd-catalyzed C-C bond cleavage reaction of N-cyclopropyl acylhydrazones, followed by cycloisomerization to yield pyrazoles, has been developed. The protocol enables the synthesis of various α-pyrazole carbonyl compounds, which have a potential of biological activity. Control experiments and DFT calculations suggest that β-carbon elimination of a stable 6-membered chelate palladium complex occurs, generating a conjugated azine as a reaction intermediate for the following cycloisomerization.
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Affiliation(s)
- Hiroki Fujioka
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
| | - Motohiro Yasui
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
| | - Shohei Hamada
- Department of Pharmaceutical Chemistry, Kyoto Pharmaceutical University, Yamashina-ku, Kyoto 607-8414, Japan.
| | - Kohei Fukumi
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
| | - Norihiko Takeda
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
| | - Yusuke Kobayashi
- Department of Pharmaceutical Chemistry, Kyoto Pharmaceutical University, Yamashina-ku, Kyoto 607-8414, Japan.
| | - Takumi Furuta
- Department of Pharmaceutical Chemistry, Kyoto Pharmaceutical University, Yamashina-ku, Kyoto 607-8414, Japan.
| | - Masafumi Ueda
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
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Nakayama T, Kaneko H, Okada A, Suzuki Y, Fujiu K, Takeda N, Morita H, Takeda N, Fukui A, Yokoo T, Yasunaga H, Nangaku M, Hayashi K. Association of Inflammatory Bowel Disease with Incident IgA Nephropathy. Clin J Am Soc Nephrol 2024:01277230-990000000-00369. [PMID: 38600627 DOI: 10.2215/cjn.0000000000000457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 04/05/2024] [Indexed: 04/12/2024]
Abstract
Key Points
We analyzed a nationwide epidemiologic cohort including approximately 4,000,000 individuals.We found a potential association of inflammatory bowel disease with a greater risk of developing IgA nephropathy.
Background
There have been scarce epidemiologic data on the relationship between inflammatory bowel disease and the incidence of IgA nephropathy. In this study, we assessed whether inflammatory bowel disease was associated with a higher risk of developing IgA nephropathy using a large-scale epidemiologic cohort.
Methods
We retrospectively analyzed 4,311,393 adults enrolled in the JMDC Claims Database (previously known as the Japan Medical Data Center database), a nationwide epidemiologic database in Japan. The definitions of IgA nephropathy and inflammatory bowel disease (ulcerative colitis or Crohn disease) were based on International Classification of Diseases, 10th Revision codes. Individuals who had a history of IgA nephropathy were excluded. Study participants were categorized into two groups according to the presence of inflammatory bowel disease. Clinical outcomes were collected between January 2005 and May 2022. The primary outcome was incident IgA nephropathy.
Results
Median (interquartile range) age was 44 (36–53) years, and 2,497,313 (58%) were men. Inflammatory bowel disease was observed in 18,623 individuals (0.4%). Over a median follow-up of 1089 (532–1797) days, there were 2631 incidences of IgA nephropathy and 22 incidences in individuals without and with inflammatory bowel disease, yielding incident ratios with 95% confidence intervals of 1.74 (1.68–1.81) and 3.43 (2.26–5.21), respectively. Kaplan–Meier curves and the log-rank test showed that a cumulative incidence of IgA was higher in individuals with inflammatory bowel disease compared with those without (log-rank P = 0.0028). Multivariable Cox regression analysis demonstrated that individuals with inflammatory bowel disease were at higher risk of incident IgA nephropathy (hazard ratio, 1.96; 95% confidence interval, 1.29 to 2.99).
Conclusions
We demonstrated the potential association of inflammatory bowel disease with higher risk of developing IgA nephropathy in a general population.
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Affiliation(s)
- Takashin Nakayama
- Division of Endocrinology, Metabolism, and Nephrology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Hidehiro Kaneko
- Department of Cardiovascular Medicine, The University of Tokyo, Tokyo, Japan
- Department of Advanced Cardiology, The University of Tokyo, Tokyo, Japan
| | - Akira Okada
- Department of Prevention of Diabetes and Lifestyle-Related Diseases, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yuta Suzuki
- Department of Cardiovascular Medicine, The University of Tokyo, Tokyo, Japan
- Center for Outcomes Research and Economic Evaluation for Health, National Institute of Public Health, Saitama, Japan
| | - Katsuhito Fujiu
- Department of Cardiovascular Medicine, The University of Tokyo, Tokyo, Japan
- Department of Advanced Cardiology, The University of Tokyo, Tokyo, Japan
| | - Norifumi Takeda
- Department of Cardiovascular Medicine, The University of Tokyo, Tokyo, Japan
| | - Hiroyuki Morita
- Department of Cardiovascular Medicine, The University of Tokyo, Tokyo, Japan
| | - Norihiko Takeda
- Department of Cardiovascular Medicine, The University of Tokyo, Tokyo, Japan
| | - Akira Fukui
- Division of Nephrology and Hypertension, Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan
| | - Takashi Yokoo
- Division of Nephrology and Hypertension, Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan
| | - Hideo Yasunaga
- Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, Tokyo, Japan
| | - Masaomi Nangaku
- Division of Nephrology and Endocrinology, The University of Tokyo Graduate School of Medicine, Tokyo, Japan
| | - Kaori Hayashi
- Division of Endocrinology, Metabolism, and Nephrology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
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Abe R, Ko T, Inoue S, Nomura S, Jimba T, Katoh M, Ito M, Ishida J, Amiya E, Takeda N, Hatano M, Morita H, Ono M, Takeda N, Komuro I. A Pathogenic LAMP2 Non-Canonical Splice Site Mutation Caused Danon Disease Requiring Heart Transplantation. Circ J 2024; 88:612. [PMID: 38246647 DOI: 10.1253/circj.cj-23-0938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Affiliation(s)
- Ryo Abe
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Toshiyuki Ko
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Shunsuke Inoue
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Seitaro Nomura
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Takahiro Jimba
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Manami Katoh
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Masamichi Ito
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Junichi Ishida
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Eisuke Amiya
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Norifumi Takeda
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Masaru Hatano
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Hiroyuki Morita
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Minoru Ono
- Department of Cardiovascular Surgery, Graduate School of Medicine, The University of Tokyo
| | - Norihiko Takeda
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Issei Komuro
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
- International University of Health and Welfare
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Ko T, Suzuki Y, Kaneko H, Jimba T, Komuro J, Okada A, Fujiu K, Takeda N, Morita H, Node K, Yasunaga H, Takeda N, Komuro I. Applying the HARMS2-AF Risk Score for Japanese population: An analysis of a nationwide epidemiological dataset. Eur J Prev Cardiol 2024:zwae111. [PMID: 38502915 DOI: 10.1093/eurjpc/zwae111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 02/19/2024] [Accepted: 03/11/2024] [Indexed: 03/21/2024]
Affiliation(s)
- Toshiyuki Ko
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yuta Suzuki
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Center for Outcomes Research and Economic Evaluation for Health, National Institute of Public Health, Saitama, Japan
| | - Hidehiro Kaneko
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Department of Advanced Cardiology, University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, Japan
| | - Takahiro Jimba
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Jin Komuro
- Department of Cardiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, Japan
| | - Akira Okada
- Department of Prevention of Diabetes and Lifestyle-Related Diseases, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Katsuhito Fujiu
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Department of Advanced Cardiology, University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, Japan
| | - Norifumi Takeda
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Hiroyuki Morita
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Koichi Node
- Department of Cardiovascular Medicine, Saga University, Saga, Japan
| | - Hideo Yasunaga
- Department of Clinical Epidemiology and Health Economics, School of Public Health, University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, Japan
| | - Norihiko Takeda
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Issei Komuro
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Department of Frontier Cardiovascular Science, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- International University of Health and Welfare, Tokyo, Japan
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6
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Sawami K, Naganuma T, Yabe H, Taki T, Stewart NJ, Uchio Y, Takeda N, Hatae N, Hashimoto T, Hirata H, Matsumoto S. Parahydrogen-induced 13C hyperpolarizer using a flow guide for magnetic field cycling to evoke 1H- 13C spin order transfer toward metabolic MRI. IEEE Trans Biomed Eng 2024; PP:1-8. [PMID: 38349832 DOI: 10.1109/tbme.2024.3365195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2024]
Abstract
OBJECTIVE The pair-wise addition of parahydrogen, the singlet form of molecular hydrogen, to unsaturated precursors evokes the hyperpolarization of two parahydrogen-derived 1H nuclear spins through a process known as parahydrogen-induced polarization (PHIP). Subsequent spin order transfer (SOT) from the 1H to the surrounding 13C nuclear spins via magnetic field cycling (MFC) results in substantial signal enhancement in 13C magnetic resonance imaging (MRI). Here, we report the development of a unique PHIP 13C hyperpolarizer system using a flow guide for MFC. METHODS The optimal MFC scheme for 1H to 13C spin order transfer was quantum-chemically simulated using the J-coupling values of 13C-labeled metabolic tracers. The flow guide system was three-dimensionally designed based on the simulated MFC scheme and pre-measured magnetic field distribution in a zero-field chamber. RESULTS The system efficiently transfers the spin order of hyperpolarized 1H to a particular 13C spin when the parahydrogenated tracer passes through the flow guide at a designated flow rate. The 13C MRI signal is enhanced more than 40,000 times in 13C-labeled pyruvate and fumarate, compared to the thermal equilibrium level at 1.5 T, was achieved for conducting in vivo metabolic MRI of mice. CONCLUSION A fully automated PHIP-based 13C polarizer was developed using a unique flow guide to conduct the MFC for 1H to 13C SOT. SIGNIFICANCE The PHIP hyperpolarizer with a flow guide can conduct efficient 1H-13C SOT without a MFC magnetic field sweep system and offers a cost-effective alternative to conventional dynamic nuclear polarization.
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Miyakawa Y, Otsuka M, Shibata C, Seimiya T, Yamamoto K, Ishibashi R, Kishikawa T, Tanaka E, Isagawa T, Takeda N, Kamio N, Imai K, Fujishiro M. Gut Bacteria-derived Membrane Vesicles Induce Colonic Dysplasia by Inducing DNA Damage in Colon Epithelial Cells. Cell Mol Gastroenterol Hepatol 2024; 17:745-767. [PMID: 38309455 PMCID: PMC10966291 DOI: 10.1016/j.jcmgh.2024.01.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 01/15/2024] [Accepted: 01/16/2024] [Indexed: 02/05/2024]
Abstract
BACKGROUND & AIMS Colorectal cancer (CRC) is the third most common cancer in the world. Gut microbiota has recently been implicated in the development of CRC. Actinomyces odontolyticus is one of the most abundant bacteria in the gut of patients with very early stages of CRC. A odontolyticus is an anaerobic bacterium existing principally in the oral cavity, similar to Fusobacterium nucleatum, which is known as a colon carcinogenic bacterium. Here we newly determined the biological functions of A odontolyticus on colonic oncogenesis. METHODS We examined the induction of intracellular signaling by A odontolyticus in human colonic epithelial cells (CECs). DNA damage levels in CECs were confirmed using the human induced pluripotent stem cell-derived gut organoid model and mouse colon tissues in vivo. RESULTS A odontolyticus secretes membrane vesicles (MVs), which induce nuclear factor kappa B signaling and also produce excessive reactive oxygen species (ROS) in colon epithelial cells. We found that A odontolyticus secretes lipoteichoic acid-rich MVs, promoting inflammatory signaling via TLR2. Simultaneously, those MVs are internalized into the colon epithelial cells, co-localize with the mitochondria, and cause mitochondrial dysfunction, resulting in excessive ROS production and DNA damage. Induction of excessive DNA damage in colonic cells by A odontolyticus-derived MVs was confirmed in the gut organoid model and also in mouse colon tissues. CONCLUSIONS A odontolyticus secretes MVs, which cause chronic inflammation and ROS production in colonic epithelial cells, leading to the initiation of CRC.
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Affiliation(s)
- Yu Miyakawa
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Motoyuki Otsuka
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan; Department of Gastroenterology and Hepatology, Academic Field of Medicine, Density and Pharmaceutical Sciences, Okayama University, Okayama, Japan.
| | - Chikako Shibata
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Takahiro Seimiya
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Keisuke Yamamoto
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Rei Ishibashi
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Takahiro Kishikawa
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Eri Tanaka
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Takayuki Isagawa
- Division of Cardiology and Metabolism, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | - Norihiko Takeda
- Division of Cardiology and Metabolism, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan; Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Noriaki Kamio
- Department of Microbiology and Immunology, Nihon University School of Dentistry, Tokyo, Japan
| | - Kenichi Imai
- Department of Microbiology and Immunology, Nihon University School of Dentistry, Tokyo, Japan
| | - Mitsuhiro Fujishiro
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
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Wakisaka A, Kimura K, Morita H, Nakanishi K, Daimon M, Nojima M, Itoh H, Takeda A, Kitao R, Imai T, Ikeda T, Nakajima T, Watanabe C, Furukawa T, Ohno I, Ishida C, Takeda N, Komai K. Efficacy and Tolerability of Ivabradine for Cardiomyopathy in Patients with Duchenne Muscular Dystrophy. Int Heart J 2024; 65:211-217. [PMID: 38556332 DOI: 10.1536/ihj.23-563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/02/2024]
Abstract
Duchenne muscular dystrophy (DMD) is an intractable X-linked myopathy caused by dystrophin gene mutations. Patients with DMD suffer from progressive muscle weakness, inevitable cardiomyopathy, increased heart rate (HR), and decreased blood pressure (BP). The aim of this study was to clarify the efficacy and tolerability of ivabradine treatment for DMD cardiomyopathy.A retrospective analysis was performed in 11 patients with DMD, who received ivabradine treatment for more than 1 year. Clinical results were analyzed before (baseline), 6 months after, and 12 months after the ivabradine administration.The initial ivabradine dose was 2.0 ± 1.2 mg/day and the final dose was 5.6 ± 4.0 mg/day. The baseline BP was 95/64 mmHg. A non-significant BP decrease to 90/57 mmHg was observed at 1 month but it recovered to 97/62 mmHg at 12 months after ivabradine administration. The baseline HR was 93 ± 6 bpm and it decreased to 74 ± 12 bpm at 6 months (P = 0.011), and to 77 ± 10 bpm at 12 months (P = 0.008). A linear correlation (y = 2.2x + 5.1) was also observed between the ivabradine dose (x mg/day) and HR decrease (y bpm). The baseline LVEF was 38 ± 12% and it significantly increased to 42 ± 9% at 6 months (P = 0.011) and to 41 ± 11% at 12 months (P = 0.038). Only 1 patient with the lowest BMI of 11.0 kg/m2 and BP of 79/58 mmHg discontinued ivabradine treatment at 6 months, while 1-year administration was well-tolerated in the other 10 patients.Ivabradine decreased HR and increased LVEF without lowering BP, suggesting it can be a treatment option for DMD cardiomyopathy.
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Affiliation(s)
| | - Koichi Kimura
- Departments of Laboratory Medicine and Cardiology, The Institute of Medical Science, The University of Tokyo
| | - Hiroyuki Morita
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Koki Nakanishi
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
| | - Masao Daimon
- Department of Cardiology, International University of Health and Welfare Mita Hospital
| | - Masanori Nojima
- Center for Translational Research, The Institute of Medical Science, The University of Tokyo
| | - Hideki Itoh
- Division of Patient Safety, Hiroshima University Hospital
| | | | | | | | | | | | | | | | - Ichiro Ohno
- Department of Pediatrics, NHO Iou National Hospital
| | - Chiho Ishida
- Department of Neurology, NHO Iou National Hospital
| | - Norihiko Takeda
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo
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9
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Takeda N, Miyashita T, Hirokawa N, Yasui M, Ueda M. P(III)-Mediated Formal Reductive N-H Bond Insertion Reaction of Hydrazones to α-Keto Esters. Chem Pharm Bull (Tokyo) 2024; 72:413-420. [PMID: 38684408 DOI: 10.1248/cpb.c24-00091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
A diazo-, metal-, and base-free multi-substituted hydrazone synthesis via a formal reductive N-H bond insertion reactions of hydrazones to α-keto esters has been developed. The protocol features a broad substrate scope and good functional group tolerance, providing N-H bond insertion products in moderate to excellent yields. Moreover, P(III)-mediated N-H functionalization of pharmaceutical containing hydrazone moiety was also successfully achieved.
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10
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Takeda N, Maeda R, Yasui M, Ueda M. Synthesis of oxime ethers via a formal reductive O-H bond insertion of oximes to α-keto esters. Chem Commun (Camb) 2023; 60:172-175. [PMID: 38053438 DOI: 10.1039/d3cc05522a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
This study describes an efficient approach to access oxime ethers via P(III)-mediated O-H bond insertion reaction of oximes with α-keto esters. The strategy involves the protonation of in situ generated Kukhtin-Ramirez adducts, followed by SN2-type reaction. Important features include a good functional group tolerance, operational simplicity, and application to gram scale synthesis and the synthesis of an acaricide.
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Affiliation(s)
- Norihiko Takeda
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
| | - Ryoya Maeda
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
| | - Motohiro Yasui
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
| | - Masafumi Ueda
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
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11
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Minegishi M, Kuchimaru T, Nishikawa K, Isagawa T, Iwano S, Iida K, Hara H, Miura S, Sato M, Watanabe S, Shiomi A, Mabuchi Y, Hamana H, Kishi H, Sato T, Sawaki D, Sato S, Hanazono Y, Suzuki A, Kohro T, Kadonosono T, Shimogori T, Miyawaki A, Takeda N, Shintaku H, Kizaka-Kondoh S, Nishimura S. Secretory GFP reconstitution labeling of neighboring cells interrogates cell-cell interactions in metastatic niches. Nat Commun 2023; 14:8031. [PMID: 38052804 DOI: 10.1038/s41467-023-43855-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 11/17/2023] [Indexed: 12/07/2023] Open
Abstract
Cancer cells inevitably interact with neighboring host tissue-resident cells during the process of metastatic colonization, establishing a metastatic niche to fuel their survival, growth, and invasion. However, the underlying mechanisms in the metastatic niche are yet to be fully elucidated owing to the lack of methodologies for comprehensively studying the mechanisms of cell-cell interactions in the niche. Here, we improve a split green fluorescent protein (GFP)-based genetically encoded system to develop secretory glycosylphosphatidylinositol-anchored reconstitution-activated proteins to highlight intercellular connections (sGRAPHIC) for efficient fluorescent labeling of tissue-resident cells that neighbor on and putatively interact with cancer cells in deep tissues. The sGRAPHIC system enables the isolation of metastatic niche-associated tissue-resident cells for their characterization using a single-cell RNA sequencing platform. We use this sGRAPHIC-leveraged transcriptomic platform to uncover gene expression patterns in metastatic niche-associated hepatocytes in a murine model of liver metastasis. Among the marker genes of metastatic niche-associated hepatocytes, we identify Lgals3, encoding galectin-3, as a potential pro-metastatic factor that accelerates metastatic growth and invasion.
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Affiliation(s)
- Misa Minegishi
- School of Life Science and Technology, Tokyo Institute of Technology, Kanagawa, Japan
- RIKEN Cluster for Pioneering Research, Saitama, Japan
| | - Takahiro Kuchimaru
- RIKEN Cluster for Pioneering Research, Saitama, Japan.
- Graduate School of Medicine, Jichi Medical University, Tochigi, Japan.
- Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan.
- Data Science Center, Jichi Medical University, Tochigi, Japan.
| | | | - Takayuki Isagawa
- Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
- Data Science Center, Jichi Medical University, Tochigi, Japan
| | - Satoshi Iwano
- RIKEN Center for Brain Science, Saitama, Japan
- Institute for Tenure Track Promotion, University of Miyazaki, Miyazaki, Japan
| | - Kei Iida
- Faculty of Science and Engineering, Kindai University, Osaka, Japan
| | - Hiromasa Hara
- Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | - Shizuka Miura
- Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Marika Sato
- MediGear International Corporation, Kanagawa, Japan
| | | | | | - Yo Mabuchi
- Graduate School of Medicine, Juntendo University, Tokyo, Japan
- School of Medicine, Fujita Health University, Aichi, Japan
| | - Hiroshi Hamana
- Department of Immunology, Faculty of Medicine, Academic Assembly, University of Toyama, Toyama, Japan
| | - Hiroyuki Kishi
- Department of Immunology, Faculty of Medicine, Academic Assembly, University of Toyama, Toyama, Japan
| | - Tatsuyuki Sato
- Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | - Daigo Sawaki
- Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
- Clinical Pharmacology, Jichi Medical University, Tochigi, Japan
| | - Shigeru Sato
- Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | - Yutaka Hanazono
- Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | - Atsushi Suzuki
- Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Takahide Kohro
- Data Science Center, Jichi Medical University, Tochigi, Japan
| | - Tetsuya Kadonosono
- School of Life Science and Technology, Tokyo Institute of Technology, Kanagawa, Japan
| | | | | | - Norihiko Takeda
- Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | | | - Shinae Kizaka-Kondoh
- School of Life Science and Technology, Tokyo Institute of Technology, Kanagawa, Japan
| | - Satoshi Nishimura
- Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
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12
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Fujimura K, Karasawa T, Komada T, Yamada N, Mizushina Y, Baatarjav C, Matsumura T, Otsu K, Takeda N, Mizukami H, Kario K, Takahashi M. NLRP3 inflammasome-driven IL-1β and IL-18 contribute to lipopolysaccharide-induced septic cardiomyopathy. J Mol Cell Cardiol 2023; 180:58-68. [PMID: 37172930 DOI: 10.1016/j.yjmcc.2023.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 04/27/2023] [Accepted: 05/10/2023] [Indexed: 05/15/2023]
Abstract
Sepsis is a life-threatening syndrome, and its associated mortality is increased when cardiac dysfunction and damage (septic cardiomyopathy [SCM]) occur. Although inflammation is involved in the pathophysiology of SCM, the mechanism of how inflammation induces SCM in vivo has remained obscure. NLRP3 inflammasome is a critical component of the innate immune system that activates caspase-1 (Casp1) and causes the maturation of IL-1β and IL-18 as well as the processing of gasdermin D (GSDMD). Here, we investigated the role of the NLRP3 inflammasome in a murine model of lipopolysaccharide (LPS)-induced SCM. LPS injection induced cardiac dysfunction, damage, and lethality, which was significantly prevented in NLRP3-/- mice, compared to wild-type (WT) mice. LPS injection upregulated mRNA levels of inflammatory cytokines (Il6, Tnfa, and Ifng) in the heart, liver, and spleen of WT mice, and this upregulation was prevented in NLRP3-/- mice. LPS injection increased plasma levels of inflammatory cytokines (IL-1β, IL-18, and TNF-α) in WT mice, and this increase was markedly inhibited in NLRP3-/- mice. LPS-induced SCM was also prevented in Casp1/11-/- mice, but not in Casp11mt, IL-1β-/-, IL-1α-/-, or GSDMD-/- mice. Notably, LPS-induced SCM was apparently prevented in IL-1β-/- mice transduced with adeno-associated virus vector expressing IL-18 binding protein (IL-18BP). Furthermore, splenectomy, irradiation, or macrophage depletion alleviated LPS-induced SCM. Our findings demonstrate that the cross-regulation of NLRP3 inflammasome-driven IL-1β and IL-18 contributes to the pathophysiology of SCM and provide new insights into the mechanism underlying the pathogenesis of SCM.
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Affiliation(s)
- Kenta Fujimura
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan; Division of Cardiovascular Medicine, Department of Medicine, Jichi Medical University, Tochigi, Japan
| | - Tadayoshi Karasawa
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | - Takanori Komada
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | - Naoya Yamada
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | - Yoshiko Mizushina
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | - Chintogtokh Baatarjav
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | - Takayoshi Matsumura
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | - Kinya Otsu
- The School of Cardiovascular Medicine and Sciences, King's College London British Heart Foundation Centre of Excellence, London, United Kingdom; National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Norihiko Takeda
- Division of Cardiology and Metabolism, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | - Hiroaki Mizukami
- Division of Genetic Therapeutics, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | - Kazuomi Kario
- Division of Cardiovascular Medicine, Department of Medicine, Jichi Medical University, Tochigi, Japan
| | - Masafumi Takahashi
- Division of Inflammation Research, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan.
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13
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Fukui Y, Hirota Y, Aikawa S, Sakashita A, Shimizu-Hirota R, Takeda N, Ishizawa C, Iida R, Kaku T, Hirata T, Hiraoka T, Akaeda S, Matsuo M, Osuga Y. The EZH2-PRC2-H3K27me3 axis governs the endometrial cell cycle and differentiation for blastocyst invasion. Cell Death Dis 2023; 14:320. [PMID: 37198149 DOI: 10.1038/s41419-023-05832-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 04/19/2023] [Accepted: 04/24/2023] [Indexed: 05/19/2023]
Abstract
Infertility occurs in 15% of couples worldwide. Recurrent implantation failure (RIF) is one of the major problems in in vitro fertilization and embryo transfer (IVF-ET) programs, and how to manage patients with RIF to achieve successful pregnancy outcomes remains unresolved. Here, a uterine polycomb repressive complex 2 (PRC2)-regulated gene network was found to control embryo implantation. Our RNA-seq analyses of the human peri-implantation endometrium obtained from patients with RIF and fertile controls revealed that PRC2 components, including its core enzyme enhancer of zeste homolog 2 (EZH2)-catalyzing H3K27 trimethylation (H3K27me3) and their target genes are dysregulated in the RIF group. Although fertility of uterine epithelium-specific knockout mice of Ezh2 (eKO mice) was normal, Ezh2-deleted mice in the uterine epithelium and stroma (uKO mice) exhibited severe subfertility, suggesting that stromal Ezh2 plays a key role in female fertility. The RNA-seq and ChIP-seq analyses revealed that H3K27me3-related dynamic gene silencing is canceled, and the gene expression of cell-cycle regulators is dysregulated in Ezh2-deleted uteri, causing severe epithelial and stromal differentiation defects and failed embryo invasion. Thus, our findings indicate that the EZH2-PRC2-H3K27me3 axis is critical to preparing the endometrium for the blastocyst invasion into the stroma in mice and humans.
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Affiliation(s)
- Yamato Fukui
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan
| | - Yasushi Hirota
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan.
| | - Shizu Aikawa
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan
| | - Akihiko Sakashita
- Department of Molecular Biology, Keio University School of Medicine, Tokyo, 160-0016, Japan
| | - Ryoko Shimizu-Hirota
- Department of Internal Medicine, Center for Preventive Medicine, Keio University School of Medicine, Tokyo, 160-0016, Japan
| | - Norihiko Takeda
- Center for Molecular Medicine, Jichi Medical University, Shimotsuke, Tochigi, 329-0498, Japan
| | - Chihiro Ishizawa
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan
| | - Rei Iida
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan
| | - Tetsuaki Kaku
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan
| | - Tomoyuki Hirata
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan
| | - Takehiro Hiraoka
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan
| | - Shun Akaeda
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan
| | - Mitsunori Matsuo
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan
| | - Yutaka Osuga
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan
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14
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Takeda N, Suganuma R, Yasui M, Ueda M. Synthesis of isolable β-chloroenamines from N-alkoxylactams with organometallic reagents. Org Biomol Chem 2023; 21:1435-1439. [PMID: 36649121 DOI: 10.1039/d2ob02151j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
An efficient approach to access isolable β-chloroenamines via nucleophilic addition/dehydration of α-chloro N-alkoxylactam with organolithium and Grignard reagents is reported. This approach is amenable to the synthesis of β-chloroenamines by incorporating various C(sp) and C(sp2) units, such as alkyne, aryl, and heteroaryl moieties. The sequential reaction has a broad substrate scope and can be carried out for a scalable synthesis of β-chloroenamines. Control experiments suggested that both chloro and alkoxy groups act as inductive electron-withdrawing substituents to improve the stability of the enamines.
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Affiliation(s)
- Norihiko Takeda
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
| | - Riku Suganuma
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
| | - Motohiro Yasui
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
| | - Masafumi Ueda
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
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15
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Ueda M, Ichimonji A, Nakayama M, Ito S, Takeda N, Yasui M. Copper-Catalyzed Aerobic C(sp 3)-H Oxidation of β-(Alkoxy)imino Carbonyl Compounds. Chem Pharm Bull (Tokyo) 2023; 71:83-92. [PMID: 36724984 DOI: 10.1248/cpb.c22-00403] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Direct oxidation of the C(sp3)-H bond of β-(alkoxy)imino carbonyl compounds using copper acetate and molecular oxygen has been established. The protocol features a broad substrate scope and generates 1-imino-2,3-dicarbonyls in good to excellent yields.
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16
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Abstract
Oxygen is essential for living organisms. Molecular oxygen binds to hemoglobin and is delivered to every organ in the body. In several cardiovascular diseases or anemia, local oxygen tension drops below its physiological level and tissue hypoxia develops. In such conditions, the expression of hypoxia-responsive genes increases to alleviate the respective condition. The hypoxia-responsive genes include the genes coding erythropoietin (EPO), vascular endothelial growth factor-A, and glycolytic enzymes. Hypoxia-inducible factor (HIF)-1α, HIF-2α, and HIF-3α are transcription factors that regulate the hypoxia-responsive genes. The HIF-α proteins are continuously degraded by an oxygen-dependent degrading pathway involving HIF-prolyl hydroxylases (HIF-PHs) and von Hippel-Lindau tumor suppressor protein. However, upon hypoxia, this degradation ceases and the HIF-α proteins form heterodimers with HIF-1β (a constitutive subunit of HIF), which results in the induction of hypoxia responsive genes. HIF-1α and HIF-2α are potential therapeutic targets for renal anemia, where EPO production is impaired due to chronic kidney diseases. Small molecule HIF-PH inhibitors are currently used to activate HIF-α signaling and to increase plasma hemoglobin levels by restoring EPO production. In this review, we will discuss the current understanding of the roles of the HIF-α signaling pathway in cardiovascular diseases. This will include the roles of HIF-1α in cardiomyocytes as well as in stromal cells including macrophages.
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Affiliation(s)
- Tatsuyuki Sato
- Division of Cardiology and Metabolism, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | - Norihiko Takeda
- Division of Cardiology and Metabolism, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan.
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17
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Yasui M, Ohbu H, Ishikawa M, Yoshida T, Takeda N, Hirao S, Abe T, Ueda M. Synthesis of Spiro[indole-3,3'-pyrrolidine]-2'-(thi)ones. J Org Chem 2023; 88:1093-1106. [PMID: 36576873 DOI: 10.1021/acs.joc.2c02561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Spiro[indole-3,3'-pyrrolidine]-2'-ones were synthesized via one-pot chloroformylation-dearomatizing spirocyclization of tryptamine derivatives. Moreover, the "thio" equivalent spiro[indole-3,3'-pyrrolidine]-2'-thiones, for which the synthesis and properties were previously unreported, were synthesized. The procedures are easily implemented, have a broad scope, and are transition-metal-free and cheap. To demonstrate the utility of the synthetic methodology, the spiro[indole-3,3'-pyrrolidine]-2'-ones were converted into heterocyclic scaffolds, such as an optically active spiroindoline and spirooxindole.
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Affiliation(s)
- Motohiro Yasui
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan
| | - Haruna Ohbu
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan
| | - Maho Ishikawa
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan
| | - Tatsuhito Yoshida
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan
| | - Norihiko Takeda
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan
| | - Seiya Hirao
- Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, 1-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan
| | - Takumi Abe
- Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, 1-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan
| | - Masafumi Ueda
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan
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18
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Koyasu S, Horita S, Saito K, Kobayashi M, Ishikita H, Chow CCT, Kambe G, Nishikawa S, Menju T, Morinibu A, Okochi Y, Tabuchi Y, Onodera Y, Takeda N, Date H, Semenza GL, Hammond EM, Harada H. ZBTB2 links p53 deficiency to HIF-1-mediated hypoxia signaling to promote cancer aggressiveness. EMBO Rep 2023; 24:e54042. [PMID: 36341521 PMCID: PMC9827547 DOI: 10.15252/embr.202154042] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 10/16/2022] [Accepted: 10/19/2022] [Indexed: 11/09/2022] Open
Abstract
Aberrant activation of the hypoxia-inducible transcription factor HIF-1 and dysfunction of the tumor suppressor p53 have been reported to induce malignant phenotypes and therapy resistance of cancers. However, their mechanistic and functional relationship remains largely unknown. Here, we reveal a mechanism by which p53 deficiency triggers the activation of HIF-1-dependent hypoxia signaling and identify zinc finger and BTB domain-containing protein 2 (ZBTB2) as an important mediator. ZBTB2 forms homodimers via its N-terminus region and increases the transactivation activity of HIF-1 only when functional p53 is absent. The ZBTB2 homodimer facilitates invasion, distant metastasis, and growth of p53-deficient, but not p53-proficient, cancers. The intratumoral expression levels of ZBTB2 are associated with poor prognosis in lung cancer patients. ZBTB2 N-terminus-mimetic polypeptides competitively inhibit ZBTB2 homodimerization and significantly suppress the ZBTB2-HIF-1 axis, leading to antitumor effects. Our data reveal an important link between aberrant activation of hypoxia signaling and loss of a tumor suppressor and provide a rationale for targeting a key mediator, ZBTB2, to suppress cancer aggressiveness.
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Affiliation(s)
- Sho Koyasu
- Laboratory of Cancer Cell Biology, Graduate School of BiostudiesKyoto UniversityKyotoJapan
- Department of Genome Repair Dynamics, Radiation Biology Center, Graduate School of BiostudiesKyoto UniversityKyotoJapan
- Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of MedicineKyoto UniversityKyotoJapan
- Research Center for Advanced Science and TechnologyThe University of TokyoTokyoJapan
| | - Shoichiro Horita
- Department of Bioregulation and Pharmacological MedicineFukushima Medical UniversityFukushimaJapan
| | - Keisuke Saito
- Research Center for Advanced Science and TechnologyThe University of TokyoTokyoJapan
| | - Minoru Kobayashi
- Laboratory of Cancer Cell Biology, Graduate School of BiostudiesKyoto UniversityKyotoJapan
- Department of Genome Repair Dynamics, Radiation Biology Center, Graduate School of BiostudiesKyoto UniversityKyotoJapan
| | - Hiroshi Ishikita
- Research Center for Advanced Science and TechnologyThe University of TokyoTokyoJapan
| | - Christalle CT Chow
- Laboratory of Cancer Cell Biology, Graduate School of BiostudiesKyoto UniversityKyotoJapan
| | - Gouki Kambe
- Laboratory of Cancer Cell Biology, Graduate School of BiostudiesKyoto UniversityKyotoJapan
| | - Shigeto Nishikawa
- Department of Thoracic Surgery, Graduate School of MedicineKyoto UniversityKyotoJapan
| | - Toshi Menju
- Department of Thoracic Surgery, Graduate School of MedicineKyoto UniversityKyotoJapan
| | - Akiyo Morinibu
- Laboratory of Cancer Cell Biology, Graduate School of BiostudiesKyoto UniversityKyotoJapan
- Department of Genome Repair Dynamics, Radiation Biology Center, Graduate School of BiostudiesKyoto UniversityKyotoJapan
| | - Yasushi Okochi
- Laboratory of Cancer Cell Biology, Graduate School of BiostudiesKyoto UniversityKyotoJapan
- Faculty of MedicineKyoto UniversityKyotoJapan
| | - Yoshiaki Tabuchi
- Division of Molecular Genetics Research, Life Science Research CenterUniversity of ToyamaToyamaJapan
| | - Yasuhito Onodera
- Global Center for Biomedical Science and Engineering, Faculty of MedicineHokkaido UniversitySapporoJapan
| | - Norihiko Takeda
- Division of Cardiology and Metabolism, Center for Molecular MedicineJichi Medical UniversityTochigiJapan
| | - Hiroshi Date
- Department of Thoracic Surgery, Graduate School of MedicineKyoto UniversityKyotoJapan
| | - Gregg L Semenza
- McKusick‐Nathans Institute of Genetic MedicineJohns Hopkins University School of MedicineBaltimoreMarylandUSA
- Institute for Cell EngineeringJohns Hopkins University School of MedicineBaltimoreMarylandUSA
| | - Ester M Hammond
- MRC Oxford Institute for Radiation Oncology, Department of OncologyUniversity of OxfordOxfordUK
| | - Hiroshi Harada
- Laboratory of Cancer Cell Biology, Graduate School of BiostudiesKyoto UniversityKyotoJapan
- Department of Genome Repair Dynamics, Radiation Biology Center, Graduate School of BiostudiesKyoto UniversityKyotoJapan
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19
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Yasui M, Tahara N, Matsubara H, Takeda N, Ueda M. Gold‐Catalyzed Oxyarylation/Hydroxylation of <i>N</i>‐Alkoxypropiolamides for Chemoselective Synthesis of 4‐Aryl‐3‐(2<i>H</i>)‐isoxazolones. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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20
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Sobecki M, Chen J, Krzywinska E, Nagarajan S, Fan Z, Nelius E, Monné Rodriguez JM, Seehusen F, Hussein A, Moschini G, Hajam EY, Kiran R, Gotthardt D, Debbache J, Badoual C, Sato T, Isagawa T, Takeda N, Tanchot C, Tartour E, Weber A, Werner S, Loffing J, Sommer L, Sexl V, Münz C, Feghali-Bostwick C, Pachera E, Distler O, Snedeker J, Jamora C, Stockmann C. Vaccination-based immunotherapy to target profibrotic cells in liver and lung. Cell Stem Cell 2022; 29:1459-1474.e9. [PMID: 36113462 DOI: 10.1016/j.stem.2022.08.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 07/19/2022] [Accepted: 08/22/2022] [Indexed: 11/30/2022]
Abstract
Fibrosis is the final path of nearly every form of chronic disease, regardless of the pathogenesis. Upon chronic injury, activated, fibrogenic fibroblasts deposit excess extracellular matrix, and severe tissue fibrosis can occur in virtually any organ. However, antifibrotic therapies that target fibrogenic cells, while sparing homeostatic fibroblasts in healthy tissues, are limited. We tested whether specific immunization against endogenous proteins, strongly expressed in fibrogenic cells but highly restricted in quiescent fibroblasts, can elicit an antigen-specific cytotoxic T cell response to ameliorate organ fibrosis. In silico epitope prediction revealed that activation of the genes Adam12 and Gli1 in profibrotic cells and the resulting "self-peptides" can be exploited for T cell vaccines to ablate fibrogenic cells. We demonstrate the efficacy of a vaccination approach to mount CD8+ T cell responses that reduce fibroblasts and fibrosis in the liver and lungs in mice. These results provide proof of principle for vaccination-based immunotherapies to treat fibrosis.
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Affiliation(s)
- Michal Sobecki
- Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Jing Chen
- Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Ewelina Krzywinska
- Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Shunmugam Nagarajan
- Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Zheng Fan
- Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Eric Nelius
- Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Josep M Monné Rodriguez
- Laboratory for Animal Model Pathology (LAMP), Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zurich, 8057 Zurich, Switzerland
| | - Frauke Seehusen
- Laboratory for Animal Model Pathology (LAMP), Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zurich, 8057 Zurich, Switzerland
| | - Amro Hussein
- Department of Orthopedics, Balgrist University Hospital, University of Zurich, Lengghalde 5, 8008 Zurich, Switzerland; Institute for Biomechanics, ETH Zurich, 8093 Zurich, Switzerland
| | - Greta Moschini
- Department of Orthopedics, Balgrist University Hospital, University of Zurich, Lengghalde 5, 8008 Zurich, Switzerland; Institute for Biomechanics, ETH Zurich, 8093 Zurich, Switzerland
| | - Edries Y Hajam
- IFOM-inStem Joint Research Laboratory, Institute for Stem Cell Science and Regenerative Medicine (inStem), Bangalore, Karnataka 560065, India
| | - Ravi Kiran
- IFOM-inStem Joint Research Laboratory, Institute for Stem Cell Science and Regenerative Medicine (inStem), Bangalore, Karnataka 560065, India
| | - Dagmar Gotthardt
- Institute of Pharmacology and Toxicology, University of Veterinary Medicine, 1210 Vienna, Austria
| | - Julien Debbache
- Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Cécile Badoual
- Institut National de la Santé et de la Recherche Médicale (INSERM), Paris Cardiovascular Research Center, Unit 970, 56 Rue Leblanc, 75015 Paris, France; Pathology Department and PRB (Plateforme de ressources biologiques), AP-HP, Georges Pompidou European Hospital, 75015 Paris, France
| | - Tatsuyuki Sato
- Division of Cardiology and Metabolism, Center for Molecular Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke 329-0498, Japan
| | - Takayuki Isagawa
- Division of Cardiology and Metabolism, Center for Molecular Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke 329-0498, Japan
| | - Norihiko Takeda
- Division of Cardiology and Metabolism, Center for Molecular Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke 329-0498, Japan
| | - Corinne Tanchot
- Institut National de la Santé et de la Recherche Médicale (INSERM), Paris Cardiovascular Research Center, Unit 970, 56 Rue Leblanc, 75015 Paris, France
| | - Eric Tartour
- Institut National de la Santé et de la Recherche Médicale (INSERM), Paris Cardiovascular Research Center, Unit 970, 56 Rue Leblanc, 75015 Paris, France; Immunology, AP-HP, Hôpital Europeen Georges Pompidou, 75015 Paris, France
| | - Achim Weber
- Department for Pathology and Molecular Pathology, University of Zurich and Zurich University Hospital Zurich, 8091 Zurich, Switzerland; Comprehensive Cancer Center Zurich, 8091 Zurich, Switzerland; Institute of Molecular Cancer Research, 8091 Zurich, Switzerland
| | - Sabine Werner
- Department of Biology, Institute of Molecular Health Sciences, ETH Zurich, 8093 Zurich, Switzerland
| | - Johannes Loffing
- Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Lukas Sommer
- Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Veronika Sexl
- Institute of Pharmacology and Toxicology, University of Veterinary Medicine, 1210 Vienna, Austria
| | - Christian Münz
- Viral Immunobiology, Institute of Experimental Immunology, University of Zurich, 8057 Zurich, Switzerland
| | - Carol Feghali-Bostwick
- Division of Rheumatology, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Elena Pachera
- Department of Rheumatology, University Hospital of Zurich, 8091 Zurich, Switzerland
| | - Oliver Distler
- Department of Rheumatology, University Hospital of Zurich, 8091 Zurich, Switzerland
| | - Jess Snedeker
- Department of Orthopedics, Balgrist University Hospital, University of Zurich, Lengghalde 5, 8008 Zurich, Switzerland; Institute for Biomechanics, ETH Zurich, 8093 Zurich, Switzerland
| | - Colin Jamora
- IFOM-inStem Joint Research Laboratory, Institute for Stem Cell Science and Regenerative Medicine (inStem), Bangalore, Karnataka 560065, India
| | - Christian Stockmann
- Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland; Comprehensive Cancer Center Zurich, 8091 Zurich, Switzerland.
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21
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Horiuchi M, Uemura T, Suzuki Y, Kagawa Y, Fukuda S, Maeno K, Oguri T, Mori Y, Sone K, Takeda N, Fukumitsu K, Kanemitsu Y, Tajiri T, Ohkubo H, Ito Y, Niimi A. OA07.03 Association Between Genetic Variation in the ATP-binding Cassette Transporter ABCC10 and nab-PTX Treatment in Japanese Cohort. J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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22
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Kurata R, Harada M, Nagai J, Cui X, Isagawa T, Semba H, Yoshida Y, Takeda N, Maemura K, Yonezawa T. Nucleoside Triphosphate Hydrolases Assay in <em>Toxoplasm gondii</em> and <em>Neospora caninum</em> for High-Throughput Screening using a Robot Arm. J Vis Exp 2022. [DOI: 10.3791/62874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
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23
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Hiraoka T, Hirota Y, Aikawa S, Iida R, Ishizawa C, Kaku T, Hirata T, Fukui Y, Akaeda S, Matsuo M, Shimizu-Hirota R, Takeda N, Osuga Y. Constant Activation of STAT3 Contributes to the Development of Adenomyosis in Females. Endocrinology 2022; 163:6563397. [PMID: 35380652 DOI: 10.1210/endocr/bqac044] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Indexed: 11/19/2022]
Abstract
Adenomyosis is a benign uterine disease that causes dysmenorrhea, heavy menstrual bleeding, and infertility; however, its pathophysiology remains unclear. Since signal transducer and activator of transcription 3 (STAT3) is crucial for endometrial regeneration, we hypothesized that STAT3 participates in adenomyosis pathophysiology. To investigate the influence of STAT3 on adenomyosis development, this study was performed using a novel mouse model of adenomyosis and human specimens of eutopic endometria and adenomyosis lesions. We established a novel mouse model of adenomyosis by puncturing entire mouse uterine layers with a thin needle. Mouse eutopic and ectopic endometria showed a positive immunoreactivity for phosphorylated STAT3 (pSTAT3), the active form of STAT3. Decreased numbers of adenomyotic lesions and reduced expression of Cxcl1, Icam1, and Spp1, which are associated with immune cell chemotaxis and tissue regeneration, were observed in uterine Stat3-deficient mice compared with the controls. In humans, pSTAT3 was intensely expressed at both the eutopic endometrium and the adenomyotic lesions regardless of the menstrual cycle phases. Conversely, it was limitedly expressed in the eutopic endometrium during the menstrual and proliferative phases in women without adenomyosis. Our findings indicate that continuous STAT3 activation promotes adenomyosis development. STAT3 inhibition can be a promising treatment strategy in patients with adenomyosis.
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Affiliation(s)
- Takehiro Hiraoka
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yasushi Hirota
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Shizu Aikawa
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Rei Iida
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Chihiro Ishizawa
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Tetsuaki Kaku
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Tomoyuki Hirata
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yamato Fukui
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Shun Akaeda
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Mitsunori Matsuo
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Ryoko Shimizu-Hirota
- Department of Internal Medicine, Center for Preventive Medicine, School of Medicine, Keio University, Tokyo, Japan
| | - Norihiko Takeda
- Center for Molecular Medicine, Jichi Medical University, Shimotsuke, Tochigi, Japan
| | - Yutaka Osuga
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
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24
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Suzuki T, Kishikawa T, Sato T, Takeda N, Sugiura Y, Seimiya T, Sekiba K, Ohno M, Iwata T, Ishibashi R, Otsuka M, Koike K. Mutant KRAS drives metabolic reprogramming and autophagic flux in premalignant pancreatic cells. Cancer Gene Ther 2022; 29:505-518. [PMID: 33833413 PMCID: PMC9113932 DOI: 10.1038/s41417-021-00326-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 02/22/2021] [Accepted: 03/23/2021] [Indexed: 02/07/2023]
Abstract
Mutational activation of the KRAS gene occurs in almost all pancreatic ductal adenocarcinoma (PDAC) and is the earliest molecular event in their carcinogenesis. Evidence has accumulated of the metabolic reprogramming in PDAC, such as amino acid homeostasis and autophagic flux. However, the biological effects of KRAS mutation on metabolic reprogramming at the earlier stages of PDAC carcinogenesis are unclear. Here we report dynamic metabolic reprogramming in immortalized human non-cancerous pancreatic ductal epithelial cells, in which a KRAS mutation was induced by gene-editing, which may mimic early pancreatic carcinogenesis. Similar to the cases of PDAC, KRAS gene mutation increased the dependency on glucose and glutamine for maintaining the intracellular redox balance. In addition, the intracellular levels of amino acids were significantly decreased because of active protein synthesis, and the cells required greater autophagic flux to maintain their viability. The lysosomal inhibitor chloroquine significantly inhibited cell proliferation. Therefore, metabolic reprogramming is an early event in carcinogenesis initiated by KRAS gene mutation, suggesting a rationale for the development of nutritional interventions that suppress or delay the development of PDAC.
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Affiliation(s)
- Tatsunori Suzuki
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan
| | - Takahiro Kishikawa
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan
| | - Tatsuyuki Sato
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan
| | - Norihiko Takeda
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan
| | - Yuki Sugiura
- Department of Biochemistry, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Takahiro Seimiya
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan
| | - Kazuma Sekiba
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan
| | - Motoko Ohno
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan
| | - Takuma Iwata
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan
| | - Rei Ishibashi
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan
| | - Motoyuki Otsuka
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan.
| | - Kazuhiko Koike
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655, Japan
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25
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Konishi K, Yasui M, Miki K, Takeda N, Ueda M. Construction of pyrazolodiazepines using AuI, a dual functional gold catalyst. Org Biomol Chem 2022; 20:3382-3386. [PMID: 35357388 DOI: 10.1039/d2ob00199c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
N,N'-5,7-Fused compounds are important molecules exhibiting medicinal potential. Herein, we report a practical and robust method for synthesising pyrazolodiazepines from N-piperidinyl alkynylhydrazides using a AuI catalyst. The broad substrate scope of alkynylhydrazides and synthetic application of pyrazolodiazepines are demonstrated. In addition, control experiments provide detailed information on the reaction mechanism, in which AuI promotes both the sequential intramolecular nucleophilic addition and the double nucleophilic substitution reaction as a π-acidic and nucleophilic dual functional catalyst.
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Affiliation(s)
- Keiji Konishi
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
| | - Motohiro Yasui
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
| | - Kanae Miki
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
| | - Norihiko Takeda
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
| | - Masafumi Ueda
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
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26
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Matsubara T, Iga T, Sugiura Y, Kusumoto D, Sanosaka T, Tai-Nagara I, Takeda N, Fong GH, Ito K, Ema M, Okano H, Kohyama J, Suematsu M, Kubota Y. Coupling of angiogenesis and odontogenesis orchestrates tooth mineralization in mice. J Exp Med 2022; 219:213091. [PMID: 35319724 PMCID: PMC8952600 DOI: 10.1084/jem.20211789] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 12/25/2021] [Accepted: 02/17/2022] [Indexed: 12/18/2022] Open
Abstract
The skeletal system consists of bones and teeth, both of which are hardened via mineralization to support daily physical activity and mastication. The precise mechanism for this process, especially how blood vessels contribute to tissue mineralization, remains incompletely understood. Here, we established an imaging technique to visualize the 3D structure of the tooth vasculature at a single-cell level. Using this technique combined with single-cell RNA sequencing, we identified a unique endothelial subtype specialized to dentinogenesis, a process of tooth mineralization, termed periodontal tip-like endothelial cells. These capillaries exhibit high angiogenic activity and plasticity under the control of odontoblasts; in turn, the capillaries trigger odontoblast maturation. Metabolomic analysis demonstrated that the capillaries perform the phosphate delivery required for dentinogenesis. Taken together, our data identified the fundamental cell-to-cell communications that orchestrate tooth formation, angiogenic–odontogenic coupling, a distinct mechanism compared to the angiogenic–osteogenic coupling in bones. This mechanism contributes to our understanding concerning the functional diversity of organotypic vasculature.
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Affiliation(s)
- Tomoko Matsubara
- Department of Anatomy, Keio University School of Medicine, Tokyo, Japan
| | - Takahito Iga
- Department of Anatomy, Keio University School of Medicine, Tokyo, Japan.,Department of Orthopedic Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Yuki Sugiura
- Department of Biochemistry, Keio University School of Medicine, Tokyo, Japan
| | - Dai Kusumoto
- Department of Cardiology, Keio University School of Medicine, Tokyo, Japan
| | - Tsukasa Sanosaka
- Department of Physiology, Keio University School of Medicine, Tokyo, Japan
| | - Ikue Tai-Nagara
- Department of Anatomy, Keio University School of Medicine, Tokyo, Japan
| | - Norihiko Takeda
- Division of Cardiology and Metabolism, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | - Guo-Hua Fong
- Center for Vascular Biology, University of Connecticut School of Medicine, Farmington, CT.,Department of Cell Biology, University of Connecticut School of Medicine, Farmington, CT
| | - Kosei Ito
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Masatsugu Ema
- Depart of Stem Cells and Human Disease Models, Research Center for Animal Life Science, Shiga University of Medical Science, Shiga, Japan
| | - Hideyuki Okano
- Department of Physiology, Keio University School of Medicine, Tokyo, Japan
| | - Jun Kohyama
- Department of Physiology, Keio University School of Medicine, Tokyo, Japan
| | - Makoto Suematsu
- Department of Biochemistry, Keio University School of Medicine, Tokyo, Japan
| | - Yoshiaki Kubota
- Department of Anatomy, Keio University School of Medicine, Tokyo, Japan
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27
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Stewart NJ, Sato T, Takeda N, Hirata H, Matsumoto S. Hyperpolarized 13C Magnetic Resonance Imaging as a Tool for Imaging Tissue Redox State, Oxidative Stress, Inflammation, and Cellular Metabolism. Antioxid Redox Signal 2022; 36:81-94. [PMID: 34218688 PMCID: PMC8792501 DOI: 10.1089/ars.2021.0139] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Significance: Magnetic resonance imaging (MRI) with hyperpolarized (HP) 13C-labeled redox-sensitive metabolic tracers can provide noninvasive functional imaging biomarkers, reflecting tissue redox state, oxidative stress, and inflammation, among others. The capability to use endogenous metabolites as 13C-enriched imaging tracers without structural modification makes HP 13C MRI a promising tool to evaluate redox state in patients with various diseases. Recent Advances: Recent studies have demonstrated the feasibility of in vivo metabolic imaging of 13C-labeled tracers polarized by parahydrogen-induced polarization techniques, which offer a cost-effective alternative to the more widely used dissolution dynamic nuclear polarization-based hyperpolarizers. Critical Issues: Although the fluxes of many metabolic pathways reflect the change in tissue redox state, they are not functionally specific. In the present review, we summarize recent challenges in the development of specific 13C metabolic tracers for biomarkers of redox state, including that for detecting reactive oxygen species. Future Directions: Applications of HP 13C metabolic MRI to evaluate redox state have only just begun to be investigated. The possibility to gain a comprehensive understanding of the correlations between tissue redox potential and metabolism under different pathological conditions by using HP 13C MRI is promoting its interest in the clinical arena, along with its noninvasive biomarkers to evaluate the extent of disease and treatment response.
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Affiliation(s)
- Neil J Stewart
- Division of Bioengineering & Bioinformatics, Graduate School of Information Science & Technology, Hokkaido University, Sapporo, Japan.,POLARIS, Imaging Sciences, Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom
| | - Tatsuyuki Sato
- Division of Cardiology and Metabolism Center for Molecular Medicine, Jichi Medical University, Shimotsuke-shi, Japan.,Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.,Japan Society for the Promotion of Science, Tokyo, Japan
| | - Norihiko Takeda
- Division of Cardiology and Metabolism Center for Molecular Medicine, Jichi Medical University, Shimotsuke-shi, Japan
| | - Hiroshi Hirata
- Division of Bioengineering & Bioinformatics, Graduate School of Information Science & Technology, Hokkaido University, Sapporo, Japan
| | - Shingo Matsumoto
- Division of Bioengineering & Bioinformatics, Graduate School of Information Science & Technology, Hokkaido University, Sapporo, Japan
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28
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Horibe S, Ishikawa K, Nakada K, Wake M, Takeda N, Tanaka T, Kawauchi S, Sasaki N, Rikitake Y. Mitochondrial DNA mutations are involved in the acquisition of cisplatin resistance in human lung cancer A549 cells. Oncol Rep 2021; 47:32. [PMID: 34935060 PMCID: PMC8717125 DOI: 10.3892/or.2021.8243] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 11/17/2021] [Indexed: 11/21/2022] Open
Abstract
The efficacy of cisplatin (CDDP) has been demonstrated in the treatment of various cancers as monotherapy and combination therapy with immunotherapy. However, acquired CDDP resistance is a major obstacle to successful treatment. In the present study, the mechanisms underlying acquired CDDP resistance were examined using ACR20 cells, which are CDDP-resistant cells derived from A549 lung cancer cells. CDDP induces cytotoxicity by binding nuclear DNA and generating reactive oxygen species (ROS). Contrary to our expectation, ROS levels were elevated in ACR20 cells not treated with CDDP. Pretreatment with an ROS inhibitor enhanced the sensitivity of ACR20 cells to CDDP and prevented the activation of nuclear factor (NF)-кB signaling and upregulation of inhibitor of apoptosis proteins (IAPs). Notably, evaluation of the mitochondrial oxygen consumption rate and mitochondrial superoxide levels revealed a deterioration of mitochondrial function in ACR20 cells. Mitochondrial DNA PCR-RFLP analysis revealed four mutations with varying percentage levels in ACR20 cells. In addition, in cytoplasmic hybrids with mitochondria from ACR20 cells, intrinsic ROS levels were elevated, expression of IAPs was increased, and complex I activity and sensitivity to CDDP were decreased. Analysis of three-dimensional structure data indicated that a mutation (ND2 F40L) may impact the proton translocation pathway, thereby affecting mitochondrial complex I activity. Together, these findings suggest that intrinsic ROS levels were elevated by mitochondrial DNA mutations, which decreased the sensitivity to CDDP via activation of NF-κB signaling and induction of IAP expression in ACR20 cells. These findings indicate that newly identified mutations in mitochondrial DNA may lead to acquired cisplatin resistance in cancer.
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Affiliation(s)
- Sayo Horibe
- Laboratory of Medical Pharmaceutics, Kobe Pharmaceutical University, Higashinada‑ku, Kobe, Hyogo 658‑8558, Japan
| | - Kaori Ishikawa
- Faculty of Life and Environmental Sciences, University of Tsukuba, Tennodai, Tsukuba, Ibaraki 305‑8572, Japan
| | - Kazuto Nakada
- Faculty of Life and Environmental Sciences, University of Tsukuba, Tennodai, Tsukuba, Ibaraki 305‑8572, Japan
| | - Masaki Wake
- Division of Cardiology and Metabolism, Center for Molecular Medicine, Jichi Medical University, Yakushiji, Shimotsuke‑shi, Tochigi 329‑0498, Japan
| | - Norihiko Takeda
- Division of Cardiology and Metabolism, Center for Molecular Medicine, Jichi Medical University, Yakushiji, Shimotsuke‑shi, Tochigi 329‑0498, Japan
| | - Toru Tanaka
- Laboratory of Medical Pharmaceutics, Kobe Pharmaceutical University, Higashinada‑ku, Kobe, Hyogo 658‑8558, Japan
| | - Shoji Kawauchi
- Comprehensive Education and Research Center, Kobe Pharmaceutical University, Higashinada‑ku, Kobe, Hyogo 658‑8558, Japan
| | - Naoto Sasaki
- Laboratory of Medical Pharmaceutics, Kobe Pharmaceutical University, Higashinada‑ku, Kobe, Hyogo 658‑8558, Japan
| | - Yoshiyuki Rikitake
- Laboratory of Medical Pharmaceutics, Kobe Pharmaceutical University, Higashinada‑ku, Kobe, Hyogo 658‑8558, Japan
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29
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Abstract
Fischer-type indolization of N-aryl-C-cyclopropyl hydrazones generated in situ followed by chemoselective reduction using tert-butyl iodide as an anhydrous HI generator was developed. This protocol provides indoles bearing carboxylic acid derivative units. A series of control experiments indicated the HI-mediated formation and reduction of spirocyclopropyl indolenines. Anhydrous HI functions as a Brønsted acid as well as a reducing agent, facilitating the successful conversion of unstable reaction intermediates and iodinated mixtures in equilibrium.
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Affiliation(s)
- Motohiro Yasui
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan
| | - Hiroki Fujioka
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan
| | - Norihiko Takeda
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan
| | - Masafumi Ueda
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan
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30
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Matsuzaki H, Takeda N, Yasui M, Okazaki M, Suzuki S, Ueda M. Synthesis of multi-substituted 1,2,4-triazoles utilising the ambiphilic reactivity of hydrazones. Chem Commun (Camb) 2021; 57:12187-12190. [PMID: 34730140 DOI: 10.1039/d1cc05326d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The synthesis of N-alkyl-1H-1,2,4-triazoles from N,N-dialkylhydrazones and nitriles via formal [3+2] cycloaddition including the C-chlorination/nucleophilic addition/cyclisation/dealkylation sequence was developed. This sequential reaction utilising the in situ generation of hydrazonoyl chloride based on the ambiphilic reactivity of hydrazones afforded a variety of multi-substituted N-alkyl-triazoles in high yields. The synthetic utility of multi-substituted triazoles was also demonstrated by further transformations.
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Affiliation(s)
- Haruo Matsuzaki
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
| | - Norihiko Takeda
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
| | - Motohiro Yasui
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
| | - Mayuko Okazaki
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
| | - Seishin Suzuki
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
| | - Masafumi Ueda
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan.
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31
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Suwa T, Kobayashi M, Shirai Y, Nam JM, Tabuchi Y, Takeda N, Akamatsu S, Ogawa O, Mizowaki T, Hammond EM, Harada H. SPINK1 as a plasma marker for tumor hypoxia and a therapeutic target for radiosensitization. JCI Insight 2021; 6:e148135. [PMID: 34747365 PMCID: PMC8663551 DOI: 10.1172/jci.insight.148135] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 09/24/2021] [Indexed: 11/17/2022] Open
Abstract
Hypoxia is associated with tumor radioresistance; therefore, a predictive marker for tumor hypoxia and a rational target to overcome it have been sought to realize personalized radiotherapy. Here, we show that serine protease inhibitor Kazal type I (SPINK1) meets these 2 criteria. SPINK1 expression was induced upon hypoxia (O2 < 0.1%) at the transcription initiation level in a HIF-dependent manner, causing an increase in secreted SPINK1 levels. SPINK1 proteins were detected both within and around hypoxic regions of xenografted and clinical tumor tissues, and their plasma levels increased in response to decreased oxygen supply to xenografts. Secreted SPINK1 proteins enhanced radioresistance of cancer cells even under normoxic conditions in EGFR-dependent and nuclear factor erythroid 2-related factor 2-dependent (Nrf2-dependent) manners and accelerated tumor growth after radiotherapy. An anti-SPINK1 neutralizing antibody exhibited a radiosensitizing effect. These results suggest that SPINK1 secreted from hypoxic cells protects the surrounding and relatively oxygenated cancer cells from radiation in a paracrine manner, justifying the use of SPINK1 as a target for radiosensitization and a plasma marker for predicting tumor hypoxia.
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Affiliation(s)
- Tatsuya Suwa
- Laboratory of Cancer Cell Biology and
- Department of Genome Dynamics, Radiation Biology Center, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
- Department of Radiation Oncology and Image-applied Therapy, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Minoru Kobayashi
- Laboratory of Cancer Cell Biology and
- Department of Genome Dynamics, Radiation Biology Center, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
| | - Yukari Shirai
- Laboratory of Cancer Cell Biology and
- Department of Genome Dynamics, Radiation Biology Center, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
| | - Jin-Min Nam
- Laboratory of Cancer Cell Biology and
- Department of Genome Dynamics, Radiation Biology Center, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
| | - Yoshiaki Tabuchi
- Division of Molecular Genetics Research, Life Science Research Center, University of Toyama, Toyama, Japan
| | - Norihiko Takeda
- Division of Cardiology and Metabolism, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | - Shusuke Akamatsu
- Department of Urology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Osamu Ogawa
- Department of Urology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takashi Mizowaki
- Department of Radiation Oncology and Image-applied Therapy, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Ester M. Hammond
- MRC Oxford Institute for Radiation Oncology, Department of Oncology, University of Oxford, Oxford, United Kingdom
| | - Hiroshi Harada
- Laboratory of Cancer Cell Biology and
- Department of Genome Dynamics, Radiation Biology Center, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
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32
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Yasui M, Inoue M, Nakao K, Takeda N, Ueda M. Sc(OTf) 3-Catalyzed Iodocyclization/Ritter-Type Amidation of N-Alkoxypropiolamides: A Synthetic Strategy for Isoxazol-3(2 H)-ones. J Org Chem 2021; 86:15498-15508. [PMID: 34670082 DOI: 10.1021/acs.joc.1c01987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A Sc(OTf)3-catalyzed iodocyclization/Ritter-type amidation of N-alkoxypropiolamides for the synthesis of 4-iodoisoxazol-3(2H)-ones bearing an amide group has been developed. This domino protocol allows the construction of a valuable heterocycle, isoxazol-3(2H)-one, as well as the introduction of two functional groups. The reaction has a broad substrate scope and can be carried out on a large scale. Control experiments suggest that Sc(OTf)3 acts as a dual activator for both the iodocyclization and amidation steps. In addition, the N-alkoxy group in the substrate suppresses some of the side reactions.
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Affiliation(s)
- Motohiro Yasui
- Kobe Pharmaceutical University Motoyamakita, Higashinada, Kobe 658-8558, Japan
| | - Maki Inoue
- Kobe Pharmaceutical University Motoyamakita, Higashinada, Kobe 658-8558, Japan
| | - Kotone Nakao
- Kobe Pharmaceutical University Motoyamakita, Higashinada, Kobe 658-8558, Japan
| | - Norihiko Takeda
- Kobe Pharmaceutical University Motoyamakita, Higashinada, Kobe 658-8558, Japan
| | - Masafumi Ueda
- Kobe Pharmaceutical University Motoyamakita, Higashinada, Kobe 658-8558, Japan
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33
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Fukui Y, Hirota Y, Saito-Fujita T, Aikawa S, Hiraoka T, Kaku T, Hirata T, Akaeda S, Matsuo M, Shimizu-Hirota R, Takeda N, Ikawa M, Osuga Y. Uterine Epithelial LIF Receptors Contribute to Implantation Chamber Formation in Blastocyst Attachment. Endocrinology 2021; 162:6353290. [PMID: 34402888 DOI: 10.1210/endocr/bqab169] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Indexed: 12/28/2022]
Abstract
Recent studies have demonstrated that the formation of an implantation chamber composed of a uterine crypt, an implantation-competent blastocyst, and uterine glands is a critical step in blastocyst implantation in mice. Leukemia inhibitory factor (LIF) activates signal transducer and activator of transcription 3 (STAT3) precursors via uterine LIF receptors (LIFRs), allowing successful blastocyst implantation. Our recent study revealed that the role of epithelial STAT3 is different from that of stromal STAT3. However, both are essential for blastocyst attachment, suggesting the different roles of epithelial and stromal LIFR in blastocyst implantation. However, how epithelial and stromal LIFR regulate the blastocyst implantation process remains unclear. To investigate the roles of LIFR in the uterine epithelium and stroma, we generated Lifr-floxed/lactoferrin (Ltf)-iCre (Lifr eKO) and Lifr-floxed/antimüllerian hormone receptor type 2 (Amhr2)-Cre (Lifr sKO) mice with deleted epithelial and stromal LIFR, respectively. Surprisingly, fertility and blastocyst implantation in the Lifr sKO mice were normal despite stromal STAT3 inactivation. In contrast, blastocyst attachment failed, and no implantation chambers were formed in the Lifr eKO mice with epithelial inactivation of STAT3. In addition, normal responsiveness to ovarian hormones was observed in the peri-implantation uteri of the Lifr eKO mice. These results indicate that the epithelial LIFR-STAT3 pathway initiates the formation of implantation chambers, leading to complete blastocyst attachment, and that stromal STAT3 regulates blastocyst attachment without stromal LIFR control. Thus, uterine epithelial LIFR is critical to implantation chamber formation and blastocyst attachment.
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Affiliation(s)
- Yamato Fukui
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Yasushi Hirota
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Tomoko Saito-Fujita
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Shizu Aikawa
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Takehiro Hiraoka
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Tetsuaki Kaku
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Tomoyuki Hirata
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Shun Akaeda
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Mitsunori Matsuo
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Ryoko Shimizu-Hirota
- Department of Internal Medicine, Center for Preventive Medicine, School of Medicine, Keio University, Tokyo 160-8582, Japan
| | - Norihiko Takeda
- Center for Molecular Medicine, Jichi Medical University, Shimotsuke, Tochigi 329-0498, Japan
| | - Masahito Ikawa
- Research Institute for Microbial Diseases, Osaka University, Suita, Osaka 565-0871, Japan
| | - Yutaka Osuga
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
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34
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Nishikawa K, Seno S, Yoshihara T, Narazaki A, Sugiura Y, Shimizu R, Kikuta J, Sakaguchi R, Suzuki N, Takeda N, Semba H, Yamamoto M, Okuzaki D, Motooka D, Kobayashi Y, Suematsu M, Koseki H, Matsuda H, Yamamoto M, Tobita S, Mori Y, Ishii M. Osteoclasts adapt to physioxia perturbation through DNA demethylation. EMBO Rep 2021; 22:e53035. [PMID: 34661337 PMCID: PMC8647016 DOI: 10.15252/embr.202153035] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 09/03/2021] [Accepted: 09/16/2021] [Indexed: 12/12/2022] Open
Abstract
Oxygen plays an important role in diverse biological processes. However, since quantitation of the partial pressure of cellular oxygen in vivo is challenging, the extent of oxygen perturbation in situ and its cellular response remains underexplored. Using two‐photon phosphorescence lifetime imaging microscopy, we determine the physiological range of oxygen tension in osteoclasts of live mice. We find that oxygen tension ranges from 17.4 to 36.4 mmHg, under hypoxic and normoxic conditions, respectively. Physiological normoxia thus corresponds to 5% and hypoxia to 2% oxygen in osteoclasts. Hypoxia in this range severely limits osteoclastogenesis, independent of energy metabolism and hypoxia‐inducible factor activity. We observe that hypoxia decreases ten‐eleven translocation (TET) activity. Tet2/3 cooperatively induces Prdm1 expression via oxygen‐dependent DNA demethylation, which in turn activates NFATc1 required for osteoclastogenesis. Taken together, our results reveal that TET enzymes, acting as functional oxygen sensors, regulate osteoclastogenesis within the physiological range of oxygen tension, thus opening new avenues for research on in vivo response to oxygen perturbation.
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Affiliation(s)
- Keizo Nishikawa
- Laboratory of Cell Biology and Metabolic Biochemistry, Department of Medical Life Systems, Graduate School of Life and Medical Sciences, Doshisha University, Kyotanabe, Japan.,Department of Immunology and Cell Biology, WPI-Immunology Frontier Research Center, Osaka University, Suita, Japan.,Graduate School of Medicine/Frontier Biosciences, Osaka University, Suita, Japan
| | - Shigeto Seno
- Department of Bioinformatic Engineering, Graduate School of Information Science and Technology, Osaka University, Osaka, Japan
| | - Toshitada Yoshihara
- Department of Chemistry and Chemical Biology, Gunma University, Kiryu, Japan
| | - Ayako Narazaki
- Graduate School of Medicine/Frontier Biosciences, Osaka University, Suita, Japan
| | - Yuki Sugiura
- Department of Biochemistry, Keio University, Tokyo, Japan
| | - Reito Shimizu
- Laboratory of Cell Biology and Metabolic Biochemistry, Department of Medical Life Systems, Graduate School of Life and Medical Sciences, Doshisha University, Kyotanabe, Japan
| | - Junichi Kikuta
- Department of Immunology and Cell Biology, WPI-Immunology Frontier Research Center, Osaka University, Suita, Japan.,Graduate School of Medicine/Frontier Biosciences, Osaka University, Suita, Japan.,Laboratory of Bioimaging and Drug Discovery, National Institutes of Biomedical Innovation, Health and Nutrition, Ibaraki, Japan
| | - Reiko Sakaguchi
- WPI-Research Initiative-Institute for Integrated Cell-Material Science, Kyoto University, Kyoto, Japan.,Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Norio Suzuki
- Division of Oxygen Biology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Norihiko Takeda
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Hiroaki Semba
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.,Department of Cardiovascular Medicine/Basic Research, The Cardiovascular Institute, Tokyo, Japan
| | - Masamichi Yamamoto
- Department of Artificial Kidneys, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Daisuke Okuzaki
- Single Cell Genomics, Human Immunology, WPI Immunology Frontier Research Center, Osaka University, Suita, Japan
| | - Daisuke Motooka
- Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Suita, Japan
| | - Yasuhiro Kobayashi
- Institute for Oral Science, Matsumoto Dental University, Shiojiri, Japan
| | | | - Haruhiko Koseki
- Developmental Genetics Group, Center for Integrative Medical Sciences, RIKEN, Yokohama, Japan
| | - Hideo Matsuda
- Department of Bioinformatic Engineering, Graduate School of Information Science and Technology, Osaka University, Osaka, Japan
| | - Masayuki Yamamoto
- Department of Medical Biochemistry, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Seiji Tobita
- Department of Chemistry and Chemical Biology, Gunma University, Kiryu, Japan
| | - Yasuo Mori
- WPI-Research Initiative-Institute for Integrated Cell-Material Science, Kyoto University, Kyoto, Japan.,Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Masaru Ishii
- Department of Immunology and Cell Biology, WPI-Immunology Frontier Research Center, Osaka University, Suita, Japan.,Graduate School of Medicine/Frontier Biosciences, Osaka University, Suita, Japan.,Laboratory of Bioimaging and Drug Discovery, National Institutes of Biomedical Innovation, Health and Nutrition, Ibaraki, Japan
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35
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Seki H, Kaneko H, Matsuoka S, Itoh H, Yano Y, Morita K, Kiriyama H, Kamon T, Fujiu K, Michihaka N, Jo T, Takeda N, Morita H, Yasunaga H, Komuro I. Association between blood pressure classification using the 2017 American College of Cardiology/American Heart Association blood pressure guideline and hypertensive retinopathy. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.2273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Purpose
We aimed to explore the association of blood pressure (BP) classification using the 2017 American College of Cardiology/ American Heart Association Guideline and the prevalence of hypertensive retinopathy using a nationwide epidemiological database.
Methods
This study is a retrospective observational cross-sectional analysis using the health claims database of the JMDC between 2005 and 2020. We analyzed 280,599 participants who did not take anti-hypertensive medications. Each participant was categorized as having normal BP (systolic BP [SBP] <120 mm Hg and diastolic BP [DBP] <80 mm Hg; n=159,524); elevated BP (SBP 120–129 mm Hg and DBP <80 mm Hg; n=35,603); stage 1 hypertension (SBP 130–139 mm Hg or DBP 80–89 mm Hg; n=54,795); or stage 2 hypertension (SBP ≥140 mm Hg or DBP ≥90 mm Hg; n=30,677). Retinal photography at health check-up was classified as normal, grade 1, grade 2, grade 3, or grade 4 according to the Keith-Wagener-Barker system.
Results
Median (interquartile range) age was 46 (40–53) years, and 50.4% were men. Hypertensive retinopathy which was defined as ≥ Keith-Wagener-Barker system grade 1, was observed in 16,836 participants (6.0%). Multivariable logistic regression analysis showed that, compared with normal BP, elevated BP (odds ratio [OR] 1.30, 95% confidence interval [CI] 1.23–1.38), stage 1 hypertension (OR 1.71, 95% CI 1.64–1.79), and stage 2 hypertension (OR 4.10, 95% CI 3.93–4.28) were associated with higher prevalence of hypertensive retinopathy. Even among 92,121 participants without obesity, high waist circumference, diabetes mellitus, dyslipidemia, cigarette smoking, and alcohol drinking, multivariable logistic regression analysis showed that, compared with normal BP, elevated BP (odds ratio 1.34, 95% CI 1.19–1.51), stage 1 hypertension (OR 1.79, 95% CI 1.61–1.98), and stage 2 hypertension (OR 4.42, 95% CI 4.00–4.92) were associated with higher prevalence of hypertensive retinopathy. The association between BP category and hypertensive retinopathy was observed in all subgroups stratified by age or sex.
Conclusion
Our investigation showed that the prevalence of hypertensive retinopathy increased with the blood pressure category, suggesting that atherosclerotic change could start even in elevated BP and stage 1 hypertension.
Funding Acknowledgement
Type of funding sources: Public grant(s) – National budget only. Main funding source(s): This work was supported by grants from the Ministry of Health, Labour and Welfare, Japan (19AA2007 and H30-Policy-Designated-004) and the Ministry of Education, Culture, Sports, Science and Technology, Japan (17H04141).
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Affiliation(s)
- H Seki
- The University of Tokyo, Department of Cardiovascular Medicine, Tokyo, Japan
| | - H Kaneko
- The University of Tokyo, Department of Cardiovascular Medicine, Tokyo, Japan
| | - S Matsuoka
- New Tokyo Hospital, Department of cardiovascular Medicine, Chiba, Japan
| | - H Itoh
- The University of Tokyo, Department of Cardiovascular Medicine, Tokyo, Japan
| | - Y Yano
- Yokohama City University Hospital, Department of cardiovascular Medicine, Yokohama, Japan
| | - K Morita
- The University of Tokyo, Department of Clinical Epidemiology and Health Economics, School of Public Health, Tokyo, Japan
| | - H Kiriyama
- The University of Tokyo, Department of Cardiovascular Medicine, Tokyo, Japan
| | - T Kamon
- The University of Tokyo, Department of Cardiovascular Medicine, Tokyo, Japan
| | - K Fujiu
- The University of Tokyo, Department of Cardiovascular Medicine, Tokyo, Japan
| | - N Michihaka
- The University of Tokyo, Department of Cardiovascular Medicine, Tokyo, Japan
| | - T Jo
- The University of Tokyo, Department of Cardiovascular Medicine, Tokyo, Japan
| | - N Takeda
- The University of Tokyo, Department of Cardiovascular Medicine, Tokyo, Japan
| | - H Morita
- The University of Tokyo, Department of Cardiovascular Medicine, Tokyo, Japan
| | - H Yasunaga
- Tsukuba University, Department of Health Services Research, Faculty of Medicine, Tsukuba, Japan
| | - I Komuro
- The University of Tokyo, Department of Cardiovascular Medicine, Tokyo, Japan
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36
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Ishizuka M, Harada M, Nomura S, Ko T, Ikeda Y, Guo J, Bujo S, Yanagisawa-Murakami H, Satoh M, Yamada S, Kumagai H, Motozawa Y, Hara H, Fujiwara T, Sato T, Takeda N, Takeda N, Otsu K, Morita H, Toko H, Komuro I. Author Correction: CXCR7 ameliorates myocardial infarction as a β-arrestin-biased receptor. Sci Rep 2021; 11:12340. [PMID: 34099846 PMCID: PMC8184949 DOI: 10.1038/s41598-021-91788-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Affiliation(s)
- Masato Ishizuka
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, 113‑8655, Japan
| | - Mutsuo Harada
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, 113‑8655, Japan. .,Department of Advanced Clinical Science and Therapeutics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.
| | - Seitaro Nomura
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, 113‑8655, Japan
| | - Toshiyuki Ko
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, 113‑8655, Japan
| | - Yuichi Ikeda
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, 113‑8655, Japan
| | - Jiaxi Guo
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, 113‑8655, Japan
| | - Satoshi Bujo
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, 113‑8655, Japan
| | - Haruka Yanagisawa-Murakami
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, 113‑8655, Japan
| | - Masahiro Satoh
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, 113‑8655, Japan
| | - Shintaro Yamada
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, 113‑8655, Japan
| | - Hidetoshi Kumagai
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, 113‑8655, Japan.,Department of Advanced Translational Research and Medicine in Management of Pulmonary Hypertension, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yoshihiro Motozawa
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, 113‑8655, Japan
| | - Hironori Hara
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, 113‑8655, Japan
| | - Takayuki Fujiwara
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, 113‑8655, Japan
| | - Tatsuyuki Sato
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, 113‑8655, Japan
| | - Norifumi Takeda
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, 113‑8655, Japan
| | - Norihiko Takeda
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, 113‑8655, Japan
| | - Kinya Otsu
- The School of Cardiovascular Medicine and Sciences, King's College London British Heart Foundation Centre of Excellence, London, UK
| | - Hiroyuki Morita
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, 113‑8655, Japan
| | - Haruhiro Toko
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, 113‑8655, Japan.,Department of Advanced Translational Research and Medicine in Management of Pulmonary Hypertension, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Issei Komuro
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7‑3‑1 Hongo, Bunkyo‑ku, Tokyo, 113‑8655, Japan.
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37
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Stewart NJ, Nakano H, Sugai S, Tomohiro M, Kase Y, Uchio Y, Yamaguchi T, Matsuo Y, Naganuma T, Takeda N, Nishimura I, Hirata H, Hashimoto T, Matsumoto S. Hyperpolarized 13 C Magnetic Resonance Imaging of Fumarate Metabolism by Parahydrogen-induced Polarization: A Proof-of-Concept in vivo Study. Chemphyschem 2021; 22:905. [PMID: 33998762 DOI: 10.1002/cphc.202100338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The front cover artwork is provided by the group of Dr. Neil J. Stewart, Prof. Hiroshi Hirata, and Dr. Shingo Matsumoto (Hokkaido University, Japan) as well as Dr. Takuya Hashimoto (Chiba University, Japan). The image shows hyperpolarized 13 C fumarate metabolism to hyperpolarized 13 C malate, which is released into the extracellular space in regions of necrotic cell death, where the cell membrane is disrupted. Read the full text of the Article at 10.1002/cphc.202001038.
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Affiliation(s)
- Neil J Stewart
- Division of Bioengineering & Bioinformatics, Graduate School of Information Science & Technology, Hokkaido University, North 14, West 9, Kita-ku, Sapporo, Hokkaido, 060-0814, Japan
| | - Hitomi Nakano
- Division of Bioengineering & Bioinformatics, Graduate School of Information Science & Technology, Hokkaido University, North 14, West 9, Kita-ku, Sapporo, Hokkaido, 060-0814, Japan
| | - Shuto Sugai
- Division of Bioengineering & Bioinformatics, Graduate School of Information Science & Technology, Hokkaido University, North 14, West 9, Kita-ku, Sapporo, Hokkaido, 060-0814, Japan
| | - Mitsushi Tomohiro
- Division of Bioengineering & Bioinformatics, Graduate School of Information Science & Technology, Hokkaido University, North 14, West 9, Kita-ku, Sapporo, Hokkaido, 060-0814, Japan
| | - Yuki Kase
- Division of Bioengineering & Bioinformatics, Graduate School of Information Science & Technology, Hokkaido University, North 14, West 9, Kita-ku, Sapporo, Hokkaido, 060-0814, Japan
| | - Yoshiki Uchio
- Division of Bioengineering & Bioinformatics, Graduate School of Information Science & Technology, Hokkaido University, North 14, West 9, Kita-ku, Sapporo, Hokkaido, 060-0814, Japan
| | - Toru Yamaguchi
- Division of Computational Chemistry, Transition State Technology Co. Ltd. 2-16-1 Tokiwadai, Ube, Yamaguchi, 755-8611, Japan
| | - Yujirou Matsuo
- Division of Computational Chemistry, Transition State Technology Co. Ltd. 2-16-1 Tokiwadai, Ube, Yamaguchi, 755-8611, Japan
| | - Tatsuya Naganuma
- R&D Department, Japan REDOX Ltd. 4-29-49-805 Chiyo, Hakata-ku, Fukuoka, 812-0044, Japan
| | - Norihiko Takeda
- Division of Cardiology and Metabolism, Center for Molecular Medicine, Jichi, Medical University, 3311-1, Yakushiji, Shimotsuke-shi, Tochigi 329-0498, Japan
| | - Ikuya Nishimura
- Division of Bioengineering & Bioinformatics, Graduate School of Information Science & Technology, Hokkaido University, North 14, West 9, Kita-ku, Sapporo, Hokkaido, 060-0814, Japan
| | - Hiroshi Hirata
- Division of Bioengineering & Bioinformatics, Graduate School of Information Science & Technology, Hokkaido University, North 14, West 9, Kita-ku, Sapporo, Hokkaido, 060-0814, Japan
| | - Takuya Hashimoto
- Chiba Iodine Resource Innovation Center and Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba, 263-8522, Japan
| | - Shingo Matsumoto
- Division of Bioengineering & Bioinformatics, Graduate School of Information Science & Technology, Hokkaido University, North 14, West 9, Kita-ku, Sapporo, Hokkaido, 060-0814, Japan
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38
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Stewart NJ, Nakano H, Sugai S, Tomohiro M, Kase Y, Uchio Y, Yamaguchi T, Matsuo Y, Naganuma T, Takeda N, Nishimura I, Hirata H, Hashimoto T, Matsumoto S. Front Cover: Hyperpolarized
13
C Magnetic Resonance Imaging of Fumarate Metabolism by Parahydrogen‐induced Polarization: A Proof‐of‐Concept
in vivo
Study (ChemPhysChem 10/2021). Chemphyschem 2021. [DOI: 10.1002/cphc.202100336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Neil J. Stewart
- Division of Bioengineering & Bioinformatics Graduate School of Information Science & Technology Hokkaido University North 14, West 9, Kita-ku, Sapporo Hokkaido 060-0814 Japan
| | - Hitomi Nakano
- Division of Bioengineering & Bioinformatics Graduate School of Information Science & Technology Hokkaido University North 14, West 9, Kita-ku, Sapporo Hokkaido 060-0814 Japan
| | - Shuto Sugai
- Division of Bioengineering & Bioinformatics Graduate School of Information Science & Technology Hokkaido University North 14, West 9, Kita-ku, Sapporo Hokkaido 060-0814 Japan
| | - Mitsushi Tomohiro
- Division of Bioengineering & Bioinformatics Graduate School of Information Science & Technology Hokkaido University North 14, West 9, Kita-ku, Sapporo Hokkaido 060-0814 Japan
| | - Yuki Kase
- Division of Bioengineering & Bioinformatics Graduate School of Information Science & Technology Hokkaido University North 14, West 9, Kita-ku, Sapporo Hokkaido 060-0814 Japan
| | - Yoshiki Uchio
- Division of Bioengineering & Bioinformatics Graduate School of Information Science & Technology Hokkaido University North 14, West 9, Kita-ku, Sapporo Hokkaido 060-0814 Japan
| | - Toru Yamaguchi
- Division of Computational Chemistry Transition State Technology Co. Ltd. 2-16-1 Tokiwadai, Ube Yamaguchi 755-8611 Japan
| | - Yujirou Matsuo
- Division of Computational Chemistry Transition State Technology Co. Ltd. 2-16-1 Tokiwadai, Ube Yamaguchi 755-8611 Japan
| | - Tatsuya Naganuma
- R&D Department Japan REDOX Ltd. 4-29-49-805 Chiyo, Hakata-ku Fukuoka 812-0044 Japan
| | - Norihiko Takeda
- Division of Cardiology and Metabolism Center for Molecular Medicine Jichi Medical University 3311-1 Yakushiji, Shimotsuke-shi Tochigi 329-0498 Japan
| | - Ikuya Nishimura
- Division of Bioengineering & Bioinformatics Graduate School of Information Science & Technology Hokkaido University North 14, West 9, Kita-ku, Sapporo Hokkaido 060-0814 Japan
| | - Hiroshi Hirata
- Division of Bioengineering & Bioinformatics Graduate School of Information Science & Technology Hokkaido University North 14, West 9, Kita-ku, Sapporo Hokkaido 060-0814 Japan
| | - Takuya Hashimoto
- Chiba Iodine Resource Innovation Center and Department of Chemistry Graduate School of Science Chiba University 1-33 Yayoi-cho, Inage-ku Chiba 263-8522 Japan
| | - Shingo Matsumoto
- Division of Bioengineering & Bioinformatics Graduate School of Information Science & Technology Hokkaido University North 14, West 9, Kita-ku, Sapporo Hokkaido 060-0814 Japan
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Stewart NJ, Nakano H, Sugai S, Tomohiro M, Kase Y, Uchio Y, Yamaguchi T, Matsuo Y, Naganuma T, Takeda N, Nishimura I, Hirata H, Hashimoto T, Matsumoto S. Hyperpolarized 13 C Magnetic Resonance Imaging of Fumarate Metabolism by Parahydrogen-induced Polarization: A Proof-of-Concept in vivo Study. Chemphyschem 2021; 22:915-923. [PMID: 33590933 PMCID: PMC8251594 DOI: 10.1002/cphc.202001038] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/11/2021] [Indexed: 01/18/2023]
Abstract
Hyperpolarized [1-13 C]fumarate is a promising magnetic resonance imaging (MRI) biomarker for cellular necrosis, which plays an important role in various disease and cancerous pathological processes. To demonstrate the feasibility of MRI of [1-13 C]fumarate metabolism using parahydrogen-induced polarization (PHIP), a low-cost alternative to dissolution dynamic nuclear polarization (dDNP), a cost-effective and high-yield synthetic pathway of hydrogenation precursor [1-13 C]acetylenedicarboxylate (ADC) was developed. The trans-selectivity of the hydrogenation reaction of ADC using a ruthenium-based catalyst was elucidated employing density functional theory (DFT) simulations. A simple PHIP set-up was used to generate hyperpolarized [1-13 C]fumarate at sufficient 13 C polarization for ex vivo detection of hyperpolarized 13 C malate metabolized from fumarate in murine liver tissue homogenates, and in vivo 13 C MR spectroscopy and imaging in a murine model of acetaminophen-induced hepatitis.
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Affiliation(s)
- Neil J. Stewart
- Division of Bioengineering & BioinformaticsGraduate School of Information Science & TechnologyHokkaido UniversityNorth 14, West 9, Kita-ku, SapporoHokkaido060-0814Japan
| | - Hitomi Nakano
- Division of Bioengineering & BioinformaticsGraduate School of Information Science & TechnologyHokkaido UniversityNorth 14, West 9, Kita-ku, SapporoHokkaido060-0814Japan
| | - Shuto Sugai
- Division of Bioengineering & BioinformaticsGraduate School of Information Science & TechnologyHokkaido UniversityNorth 14, West 9, Kita-ku, SapporoHokkaido060-0814Japan
| | - Mitsushi Tomohiro
- Division of Bioengineering & BioinformaticsGraduate School of Information Science & TechnologyHokkaido UniversityNorth 14, West 9, Kita-ku, SapporoHokkaido060-0814Japan
| | - Yuki Kase
- Division of Bioengineering & BioinformaticsGraduate School of Information Science & TechnologyHokkaido UniversityNorth 14, West 9, Kita-ku, SapporoHokkaido060-0814Japan
| | - Yoshiki Uchio
- Division of Bioengineering & BioinformaticsGraduate School of Information Science & TechnologyHokkaido UniversityNorth 14, West 9, Kita-ku, SapporoHokkaido060-0814Japan
| | - Toru Yamaguchi
- Division of Computational ChemistryTransition State Technology Co. Ltd.2-16-1 Tokiwadai, UbeYamaguchi755-8611Japan
| | - Yujirou Matsuo
- Division of Computational ChemistryTransition State Technology Co. Ltd.2-16-1 Tokiwadai, UbeYamaguchi755-8611Japan
| | - Tatsuya Naganuma
- R&D DepartmentJapan REDOX Ltd.4-29-49-805 Chiyo, Hakata-kuFukuoka812-0044Japan
| | - Norihiko Takeda
- Division of Cardiology and MetabolismCenter for Molecular MedicineJichi Medical University3311-1 Yakushiji, Shimotsuke-shiTochigi329-0498Japan
| | - Ikuya Nishimura
- Division of Bioengineering & BioinformaticsGraduate School of Information Science & TechnologyHokkaido UniversityNorth 14, West 9, Kita-ku, SapporoHokkaido060-0814Japan
| | - Hiroshi Hirata
- Division of Bioengineering & BioinformaticsGraduate School of Information Science & TechnologyHokkaido UniversityNorth 14, West 9, Kita-ku, SapporoHokkaido060-0814Japan
| | - Takuya Hashimoto
- Chiba Iodine Resource Innovation Center and Department of ChemistryGraduate School of ScienceChiba University1-33 Yayoi-cho, Inage-kuChiba263-8522Japan
| | - Shingo Matsumoto
- Division of Bioengineering & BioinformaticsGraduate School of Information Science & TechnologyHokkaido UniversityNorth 14, West 9, Kita-ku, SapporoHokkaido060-0814Japan
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Harada M, Nagai J, Kurata R, Cui X, Isagawa T, Semba H, Yoshida Y, Takeda N, Maemura K, Yonezawa T. Establishment of Novel Protein Interaction Assays between Sin3 and REST Using Surface Plasmon Resonance and Time-Resolved Fluorescence Energy Transfer. Int J Mol Sci 2021; 22:ijms22052323. [PMID: 33652591 PMCID: PMC7956749 DOI: 10.3390/ijms22052323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 02/12/2021] [Accepted: 02/22/2021] [Indexed: 11/16/2022] Open
Abstract
Repressor element-1 (RE-1) or neural restrictive silencer element (NRSE) bound with a zinc finger transcription repressor, RE-1 silencing transcription factor (REST, also known as neural restrictive silencer factor, NRSF) has been identified as a fundamental repressor element in many genes, including neuronal genes. Genes regulated by REST/NRSF regulate multifaceted neuronal phenotypes, and their defects in the machinery cause neuropathies, disorders of neuron activity), autism and so on. In REST repressions, the N-terminal repressor domain recruits Sin3B via its paired amphipathic helix 1 (PAH1) domain, which plays an important role as a scaffold for histone deacetylase 1 and 2. This machinery has a critical role in maintaining neuronal robustness. In this study, in order to establish protein–protein interaction assays mimicking a binding surface between Sin3B and REST, we selected important amino acids from structural information of the PAH1/REST complex and then tried to reconstitute it using recombinant short peptides derived from PAH1/REST. Initially, we validated whether biotinylated REST interacts with glutathione S-transferase (GST)-tagged PAH1 and whether another PAH1 peptide (PAH1-FLAG) competitively binds with biotinylated REST using surface plasmon resonance (SPR). We observed a direct interaction and competitive binding of two PAH1 peptides. Secondly, in order to establish a high-throughput and high-dynamic-range assay, we utilized an easily performed novel time-resolved fluorescence energy transfer (TR-FRET) assay, and closely monitored this interaction. Finally, we succeeded in establishing a novel high-quality TR-FRET assay and a novel interaction assay based on SPR.
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Affiliation(s)
- Masamitsu Harada
- Center for Therapeutic Innovation, Gene Research Center for Frontiers Life Sciences, Nagasaki University, Graduate School of Biomedical Sciences, 1-12-14 Sakamoto, Nagasaki 852-8523, Japan; (M.H.); (J.N.)
| | - Jun Nagai
- Center for Therapeutic Innovation, Gene Research Center for Frontiers Life Sciences, Nagasaki University, Graduate School of Biomedical Sciences, 1-12-14 Sakamoto, Nagasaki 852-8523, Japan; (M.H.); (J.N.)
| | - Riho Kurata
- Education and Research Center for Pharmaceutical Sciences, Osaka University of Pharmaceutical Sciences, 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan;
| | - Xiaofeng Cui
- School of Chemistry, Chemical Engineering and Life Sciences, School of Materials and Engineering, Wuhan University of Technology, 122 Loushi Rd, Wuhan 430070, China;
| | - Takayuki Isagawa
- Data Science Center, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke 329-0498, Japan;
| | - Hiroaki Semba
- Department of Cardiovascular Medicine, The Cardiovascular Institute, Nishiazabu 3-2-19, Minato-ku, Tokyo 106-0031, Japan;
| | - Yasuhiro Yoshida
- Department of Immunology and Parasitology, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushu 807-8555, Japan;
| | - Norihiko Takeda
- Division of Cardiology and Metabolism, Center for Molecular Medicine, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke 329-0498, Japan;
| | - Koji Maemura
- Department of Cardiovascular Medicine, Graduate School of Biomedical Sciences, Nagasaki University Hospital, 1-7-1 Sakamoto, Nagasaki 852-8501, Japan;
| | - Tomo Yonezawa
- Center for Therapeutic Innovation, Gene Research Center for Frontiers Life Sciences, Nagasaki University, Graduate School of Biomedical Sciences, 1-12-14 Sakamoto, Nagasaki 852-8523, Japan; (M.H.); (J.N.)
- Correspondence: or ; Tel.: +81-95-819-8525
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Akaeda S, Hirota Y, Fukui Y, Aikawa S, Shimizu-Hirota R, Kaku T, Gebril M, Hirata T, Hiraoka T, Matsuo M, Haraguchi H, Saito-Kanatani M, Takeda N, Fujii T, Osuga Y. Retinoblastoma protein promotes uterine epithelial cell cycle arrest and necroptosis for embryo invasion. EMBO Rep 2021; 22:e50927. [PMID: 33399260 DOI: 10.15252/embr.202050927] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 11/18/2020] [Accepted: 12/03/2020] [Indexed: 12/12/2022] Open
Abstract
Retinoblastoma protein (RB) encoded by Rb1 is a prominent inducer of cell cycle arrest (CCA). The hormone progesterone (P4 ) promotes CCA in the uterine epithelium and previous studies indicated that P4 activates RB by reducing the phosphorylated, inactive form of RB. Here, we show that embryo implantation is impaired in uterine-specific Rb1 knockout mice. We observe persistent cell proliferation of the Rb1-deficient uterine epithelium until embryo attachment, loss of epithelial necroptosis, and trophoblast phagocytosis, which correlates with subsequent embryo invasion failure, indicating that Rb1-induced CCA and necroptosis of uterine epithelium are involved in embryo invasion. Pre-implantation P4 supplementation is sufficient to restore these defects and embryo invasion. In Rb1-deficient uterine epithelial cells, TNFα-primed necroptosis is impaired, which is rescued by the treatment with a CCA inducer thymidine or P4 through the upregulation of TNF receptor type 2. TNFα is expressed in the luminal epithelium and the embryo at the embryo attachment site. These results provide evidence that uterine Rb1-induced CCA is involved in TNFα-primed epithelial necroptosis at the implantation site for successful embryo invasion.
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Affiliation(s)
- Shun Akaeda
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yasushi Hirota
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.,Frontier Outstanding Research for Clinical Empowerment (FORCE), Japan Agency for Medical Research and Development (AMED), Tokyo, Japan
| | - Yamato Fukui
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Shizu Aikawa
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Ryoko Shimizu-Hirota
- Department of Internal Medicine, Center of Preventive Medicine, School of Medicine, Keio University, Tokyo, Japan
| | - Tetsuaki Kaku
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Mona Gebril
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Tomoyuki Hirata
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Takehiro Hiraoka
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Mitsunori Matsuo
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Hirofumi Haraguchi
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Mayuko Saito-Kanatani
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Norihiko Takeda
- Center for Molecular Medicine, Jichi Medical University, Shimotuke, Tochigi, Japan
| | - Tomoyuki Fujii
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yutaka Osuga
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
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Ueda M, Yasui M, Hasegawa M, Konishi K, Takeda N. Dihalogenative Cyclization for the Synthesis of 4-Bromo-1-bromoalkyl-5-aryl/alkyl/alkenyl-pyrazoles. HETEROCYCLES 2021. [DOI: 10.3987/com-20-s(k)43] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Affiliation(s)
- Norihiko Takeda
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan
| | - Yukiko Kobori
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan
| | - Kohei Okamura
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan
| | - Motohiro Yasui
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan
| | - Masafumi Ueda
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan
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Abstract
A Brønsted acid-mediated synthesis of pyrazoles from conjugated hydrazones through a β-protonation/nucleophilic addition/cyclization/aromatization sequence was developed. This protocol utilizing the ambiphilic reactivity of hydrazones enables not only self-condensation but also cross-condensation, affording multisubstituted pyrazoles in high yields, with a broad substrate scope. This sequential reaction proceeds under mild conditions via a simple operation. Moreover, the method can be applied to the synthesis of a nonsteroidal anti-inflammatory drug, Lonazolac.
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Affiliation(s)
- Haruo Matsuzaki
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan
| | - Norihiko Takeda
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan
| | - Motohiro Yasui
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan
| | - Yuta Ito
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan
| | - Keiji Konishi
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan
| | - Masafumi Ueda
- Kobe Pharmaceutical University, Motoyamakita, Higashinada, Kobe 658-8558, Japan
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Gebril M, Hirota Y, Aikawa S, Fukui Y, Kaku T, Matsuo M, Hirata T, Akaeda S, Hiraoka T, Shimizu-Hirota R, Takeda N, Taha T, Balah OA, Elnoury MAH, Fujii T, Osuga Y. Uterine Epithelial Progesterone Receptor Governs Uterine Receptivity Through Epithelial Cell Differentiation. Endocrinology 2020; 161:5939206. [PMID: 33099617 DOI: 10.1210/endocr/bqaa195] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Indexed: 01/25/2023]
Abstract
Progesterone receptor (PGR) is indispensable for pregnancy in mammals. Uterine PGR responds to the heightened levels of ovarian progesterone (P4) after ovulation and regulates uterine gene transcription for successful embryo implantation. Although epithelial and stromal P4-PGR signaling may interact with each other to form appropriate endometrial milieu for uterine receptivity and the subsequent embryo attachment, it remains unclear what the specific roles of epithelial P4-PGR signaling in the adult uterus are. Here we generated mice with epithelial deletion of Pgr in the adult uterus (Pgrfl/flLtfCre/+ mice) by crossing Pgr-floxed and Ltf-Cre mice. Pgrfl/flLtfCre/+ mice are infertile due to the impairment of embryo attachment. Pgrfl/flLtfCre/+ uteri did not exhibit epithelial growth arrest, suggesting compromised uterine receptivity. Both epithelial and stromal expressions of P4-responsive genes decreased in Pgrfl/flLtfCre/+ mice during the peri-implantation period, indicating that epithelial Pgr deletion affects not only epithelial but stromal P4 responsiveness. In addition, uterine LIF, an inducer of embryo attachment, was decreased in Pgrfl/flLtfCre/+ mice. The RNA-seq analysis using luminal epithelial specimens dissected out by laser capture microdissection revealed that the signaling pathways related to extracellular matrix, cell adhesion, and cell proliferation are altered in Pgr fl/flLtf Cre/+ mice. These findings suggest that epithelial PGR controls both epithelial and stromal P4 responsiveness and epithelial cell differentiation, which provides normal uterine receptivity and subsequent embryo attachment.
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Affiliation(s)
- Mona Gebril
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Reproductive Health Department, National Research Center of Egypt, Cairo, Egypt
| | - Yasushi Hirota
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Shizu Aikawa
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yamato Fukui
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Tetsuaki Kaku
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Mitsunori Matsuo
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Tomoyuki Hirata
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Shun Akaeda
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Takehiro Hiraoka
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Ryoko Shimizu-Hirota
- Department of Internal Medicine, Center for Preventive Medicine, School of Medicine, Keio University, Tokyo, Japan
| | - Norihiko Takeda
- Center for Molecular Medicine, Jichi Medical University, Shimotuke, Tochigi, Japan
| | - Tamer Taha
- Reproductive Health Department, National Research Center of Egypt, Cairo, Egypt
| | - Osama Al Balah
- Department of Medical Application of Laser, National Institute of Laser Enhanced Sciences, Cairo University, Giza, Egypt
| | - Mohamed Amr H Elnoury
- Department of Medical Application of Laser, National Institute of Laser Enhanced Sciences, Cairo University, Giza, Egypt
| | - Tomoyuki Fujii
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yutaka Osuga
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
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Wei S, Isagawa T, Eguchi M, Sato D, Tsukano H, Miyata K, Oike Y, Takeda N, Ikeda S, Kawano H, Maemura K. Febuxostat, a Xanthine Oxidase Inhibitor, Decreased Macrophage Matrix Metalloproteinase Expression in Hypoxia. Biomedicines 2020; 8:biomedicines8110470. [PMID: 33153000 PMCID: PMC7693746 DOI: 10.3390/biomedicines8110470] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 10/29/2020] [Accepted: 10/30/2020] [Indexed: 02/05/2023] Open
Abstract
Macrophages in the atheroma region produce matrix metalloproteinases (MMPs) and decrease plaque stability. Tissue oxygen tension decreases in the arterial wall of the atherosclerotic region. Hypoxia inducible factor (HIF)-1α plays a critical role in the transcriptional activation of hypoxia inducible genes. However, the precise roles of HIF-1α independent pathways in hypoxic responses are largely unknown. Xanthine oxidase (XO) is an enzyme that utilizes molecular oxygen and produces reactive oxygen species (ROS). Here, we show that ROS derived from XO increases MMP-3, -10, and -13 expression in murine macrophages. We found that the transcript levels of macrophage MMP-3, -10, and -13 were increased in hypoxic conditions. Hypoxia induced MMP expression in HIF-1α deficient macrophages. N-acetylcysteine (NAC) or febuxostat, an XO inhibitor, suppressed MMP expression in murine macrophages. Febuxostat decreased the incidence of plaque rupture in apolipoprotein-E-deficient mice. Our results indicate that febuxostat stabilized atherosclerotic plaque via suppressing the activities of macrophage MMP-9 and -13. Febuxostat administration is a potential therapeutic option in the management of atherosclerotic patients.
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Affiliation(s)
- Shuoyu Wei
- Department of Cardiovascular Medicine, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto, Nagasaki 852-8501, Japan; (S.W.); (M.E.); (D.S.); (S.I.); (H.K.)
| | - Takayuki Isagawa
- Department of Cardiovascular Medicine, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto, Nagasaki 852-8501, Japan; (S.W.); (M.E.); (D.S.); (S.I.); (H.K.)
- Center for Data Science, Jichi Medical University, Shimotsuke, Tochigi 329-0498, Japan
- Correspondence: (T.I.); (K.M.)
| | - Masamichi Eguchi
- Department of Cardiovascular Medicine, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto, Nagasaki 852-8501, Japan; (S.W.); (M.E.); (D.S.); (S.I.); (H.K.)
| | - Daisuke Sato
- Department of Cardiovascular Medicine, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto, Nagasaki 852-8501, Japan; (S.W.); (M.E.); (D.S.); (S.I.); (H.K.)
| | - Hiroto Tsukano
- Department of Molecular Genetics, Graduate School of Medical Sciences, Kumamoto University, Chuo-ku, Kumamoto 860-8556, Japan; (H.T.); (K.M.); (Y.O.)
| | - Keishi Miyata
- Department of Molecular Genetics, Graduate School of Medical Sciences, Kumamoto University, Chuo-ku, Kumamoto 860-8556, Japan; (H.T.); (K.M.); (Y.O.)
| | - Yuichi Oike
- Department of Molecular Genetics, Graduate School of Medical Sciences, Kumamoto University, Chuo-ku, Kumamoto 860-8556, Japan; (H.T.); (K.M.); (Y.O.)
| | - Norihiko Takeda
- Division of Cardiology and Metabolism, Center for Molecular Medicine, Jichi Medical University, Shimotsuke, Tochigi 329-0498, Japan;
| | - Satoshi Ikeda
- Department of Cardiovascular Medicine, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto, Nagasaki 852-8501, Japan; (S.W.); (M.E.); (D.S.); (S.I.); (H.K.)
| | - Hiroaki Kawano
- Department of Cardiovascular Medicine, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto, Nagasaki 852-8501, Japan; (S.W.); (M.E.); (D.S.); (S.I.); (H.K.)
| | - Koji Maemura
- Department of Cardiovascular Medicine, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto, Nagasaki 852-8501, Japan; (S.W.); (M.E.); (D.S.); (S.I.); (H.K.)
- Correspondence: (T.I.); (K.M.)
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Sato K, Shimo T, Fuchikami H, Takeda N, Kato M. Individualized Partial-Breast Irradiation Technique after Breast-Conserving Surgery for Small-Breasted Women. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Fujiwara T, Takeda N, Hatano M, Nishimura S, Komuro I. A novel three-dimensional visualization system revealed an essential adaptive angiogenic response during the early phase of pulmonary hypertension. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.3802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Pulmonary hypertension (PH) is characterized by increased pulmonary vascular resistance and right heart failure with progressive narrowing or occlusion of the pulmonary artery. However, the assessment of vascular remodeling is mostly limited to averaged increases in wall thickening, and even the role of vascular endothelial growth factor (VEGF), remains incompletely understood; Although abundantly expressed VEGF is expected to elicit angio-obliteration and the knockout of hypoxia inducible factor (HIF) prevents PH in mice, VEGF inhibitor Sugen exacerbates hypoxia (Hx)-induced PH model, which is referred to as VEGF paradox.
Purpose
To analyze three-dimensional (3D) spatiotemporal changes of pulmonary microstructure and function, which reflect the disease activity and lead to resolve the paradox.
Methods and results
We developed a novel 3D visualization system of microstructural networks in whole mouse organ with single-cell resolution, using combined tissue clearing technique called CUBIC and multiphoton excitation microscope. The system enabled the simultaneous 3D evaluation of microvascular structure, invaded macrophages and fibrosis with effective penetration of several mm (whole organ). Three-dimensional observations of PH mice models including Hx, Sugen/Hx, and human-like Alk1+/− hereditary PH models, revealed that not only inward (negative) microvessel remodeling with stenosis, but also marked elongation of microvascular ECs, was evident except Sugen/Hx model at the early phase, which had not been detected by 2D histological sections. Comparable transcriptome analysis revealed that PGC1α, which regulates HIF-independent VEGF expression and angiogenesis, plays an important role in the characteristic response for mitochondrial and microvascular maintenance. PGC1α was up-regulated in the early phage in Hx and Alk1+/− PH models with microvascular angiogenetic change, whereas Sugen/Hx-model did not increase PGC1α expression and did not show microvascular remodeling. Furthermore pulmonary ECs-specific PGC1α-deficient mice exacerbated Hx-PH model with decreased VEGF expression and microvessel density, and administration of Baicalin, a flavonoid enhancing PGC1α expression, ameliorated Hx-PH model with increased VEGF expression.
Conclusions
The 3D visualization system disclosed an unexpected change of angiogenic microvascular structure in the early phage of PH, which is regulated by EC PGC1α. Microvascular angiogenesis which is induced by up-regulation in PGC1α -VEGF pathway is a crucial factor for compensation of PH in the early phase, which provides a potential novel therapeutic target for PH.
Figure 1
Funding Acknowledgement
Type of funding source: Public grant(s) – National budget only. Main funding source(s): JSJP
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Affiliation(s)
- T Fujiwara
- University of Tokyo Hospital, Tokyo, Japan
| | - N Takeda
- University of Tokyo Hospital, Tokyo, Japan
| | - M Hatano
- University of Tokyo Hospital, Tokyo, Japan
| | - S Nishimura
- Jichi Medical University, Center for molecular medicine, Tochigi, Japan
| | - I Komuro
- University of Tokyo Hospital, Tokyo, Japan
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Abstract
Rate constants for bimolecular electron transfer (ET) increased with driving force, -ΔG°, reached a plateau, and then decreased in an inverted region. This rate data was described well by electron transfer theory subject to a diffusion-controlled limit. These were for ET from radical anions of polydecylthiophene (P3DT) to a series of acceptors in THF solution. When the donor was the smaller anion of quaterthiophene (T4•-) the inverted region was much less prominent and still less so for when the donor was the anion of bithiophene (T2•-). Description of the data using ET theory identifies smaller electronic couplings for the highly delocalized P3DT anions as enabling the inverted behavior: The presence of a Marcus inverted region is a consequence of delocalized electronic states. The results further imply that electronic couplings smaller than usually found for molecules in contact could boost efficiency of energy storage by electron transfer and identifies size-mismatch as an important concept in control of electronic couplings.
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Affiliation(s)
- Norihiko Takeda
- Chemistry Division, Brookhaven National Laboratory, Upton, New York 11937, United States
| | - John R Miller
- Chemistry Division, Brookhaven National Laboratory, Upton, New York 11937, United States
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Hiraoka T, Hirota Y, Fukui Y, Gebril M, Kaku T, Aikawa S, Hirata T, Akaeda S, Matsuo M, Haraguchi H, Saito-Kanatani M, Shimizu-Hirota R, Takeda N, Yoshino O, Fujii T, Osuga Y. Differential roles of uterine epithelial and stromal STAT3 coordinate uterine receptivity and embryo attachment. Sci Rep 2020; 10:15523. [PMID: 32968170 PMCID: PMC7511330 DOI: 10.1038/s41598-020-72640-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 09/04/2020] [Indexed: 02/06/2023] Open
Abstract
Although it has been reported that uterine signal transducer and activator of transcription 3 (STAT3) is essential for embryo implantation, the exact roles of uterine epithelial and stromal STAT3 on embryo implantation have not been elucidated. To address this issue, we generated Stat3-floxed/Ltf-iCre (Stat3-eKO), Stat3-floxed/Amhr2-Cre (Stat3-sKO), and Stat3-floxed/Pgr-Cre (Stat3-uKO) mice to delete Stat3 in uterine epithelium, uterine stroma, and whole uterine layers, respectively. We found that both epithelial and stromal STAT3 have critical roles in embryo attachment because all the Stat3-eKO and Stat3-sKO female mice were infertile due to implantation failure without any embryo attachment sites. Stat3-eKO uteri showed indented structure of uterine lumen, indicating the role of epithelial STAT3 in slit-like lumen formation in the peri-implantation uterus. Stat3-sKO uteri exhibited hyper-estrogenic responses and persistent cell proliferation of the epithelium in the peri-implantation uterus, suggesting the role of stromal STAT3 in uterine receptivity. In addition, Stat3-uKO female mice possessed not only the characteristic of persistent epithelial proliferation but also that of indented structure of uterine lumen. These findings indicate that epithelial STAT3 controls the formation of slit-like structure in uterine lumen and stromal STAT3 suppresses epithelial estrogenic responses and cell proliferation. Thus, epithelial and stromal STAT3 cooperatively controls uterine receptivity and embryo attachment through their different pathways.
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Affiliation(s)
- Takehiro Hiraoka
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan.,Department of Obstetrics and Gynecology, Kitasato University, Sagamihara, Kanagawa, Japan
| | - Yasushi Hirota
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan. .,Frontier Outstanding Research for Clinical Empowerment (FORCE), Japan Agency for Medical Research and Development (AMED), Bunkyo-ku, Tokyo, 113-8655, Japan.
| | - Yamato Fukui
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Mona Gebril
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Tetsuaki Kaku
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Shizu Aikawa
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Tomoyuki Hirata
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Shun Akaeda
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Mitsunori Matsuo
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Hirofumi Haraguchi
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Mayuko Saito-Kanatani
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Ryoko Shimizu-Hirota
- Department of Internal Medicine, Center of Preventive Medicine, School of Medicine, Keio University, Shinjuku-ku, Tokyo, Japan
| | - Norihiko Takeda
- Center for Molecular Medicine, Jichi Medical University, Shimotuke, Tochigi, Japan
| | - Osamu Yoshino
- Department of Obstetrics and Gynecology, Kitasato University, Sagamihara, Kanagawa, Japan
| | - Tomoyuki Fujii
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Yutaka Osuga
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
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