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Hagino R, Kuwabara R, Komura N, Imamura A, Ishida H, Ando H, Tanaka HN. Protecting-Group-Free Synthesis of ADP-Ribose and Dinucleoside Di-/Triphosphate Derivatives via P(V)-P(V) Coupling Reaction. Chemistry 2024:e202401302. [PMID: 38763895 DOI: 10.1002/chem.202401302] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 05/07/2024] [Accepted: 05/15/2024] [Indexed: 05/21/2024]
Abstract
Biomolecules containing adenosine di- or triphosphate (ADP or ATP) are crucial for diverse biological processes. Synthesis of these biomolecules and development of their chemical probes are important to elucidate their functions. Enabling reproducible and high-yielding access to these ADP- and ATP-containing molecules via conventional P(III)-P(V) and P(V)-P(V) coupling reactions is challenging owing to water content in highly polar phosphate-containing substrates. Herein, we report an efficient and reliable method for protecting-group-free P(V)-P(V) coupling reaction through in situ activation of phosphates using hydrolysis-stable 2-[N-(2-methylimidazoyl)]-1,3-dimethylimidazolinium chloride (2-MeImIm-Cl), providing the corresponding electrophilic P(V) intermediates for subsequent nucleophilic attack using their coupling partners. This P(V)-P(V) coupling reaction proceeded even in a wet reaction medium and showed a broad substrate scope, accommodating protecting-group-free synthesis of ADP-ribose and nicotinamide adenine diphosphate analogs, ATP-containing biomolecules, and ADP-ribosyl peptides.
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Affiliation(s)
- Rui Hagino
- Gifu University, The United Graduate School of Agricultural Science, 1-1 Yanagido, 5011193, JAPAN
| | - Ryo Kuwabara
- Gifu University, Department of Applied Bioorganic Chemistry, JAPAN
| | - Naoko Komura
- Gifu University, Institute for Glyco-core Research, JAPAN
| | - Akihiro Imamura
- Gifu University, Department of Applied Bioorganic Chemistry, JAPAN
| | - Hideharu Ishida
- Gifu University, Department of Applied Bioorganic Chemistry, JAPAN
| | - Hiromune Ando
- Gifu University, Institute for Glyco-core Research, JAPAN
| | - Hide-Nori Tanaka
- Gifu University: Gifu Daigaku, Institute for Glyco-core Research, 1-1 Yanagido, 501-1193, Gifu City, JAPAN
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Sasano T, Mabuchi S, Komura N, Sakata M, Kamiura S, Morishima T, Miyashiro I. Trends in incidence and hormonal management of endometrial cancer during potentially reproductive age in Japan: a population-based study. Int J Clin Oncol 2024:10.1007/s10147-024-02511-5. [PMID: 38762822 DOI: 10.1007/s10147-024-02511-5] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 03/11/2024] [Indexed: 05/20/2024]
Abstract
BACKGROUND We aimed to investigate the trends in the incidence and treatment of endometrial cancer (EC) during potentially reproductive age in Japan, with a special focus on the relative oncologic safety of hormonal therapy (HT) over surgery. METHODS This population-based retrospective cohort study was conducted using data from the Osaka Cancer Registry from 2004 to 2018. Women with EC were first identified and then distributions of age, stage, histology, and initial treatment were examined. Then, the relative oncologic safety of HT over surgery in patients under the age of 50 years was evaluated. RESULTS Among the 9417 patients with EC, 1937 were diagnosed during their potentially reproductive age (< 50 years). The incidence of EC during potentially reproductive age has increased from 18.5% in 2004-2011 to 21.9% in 2012-2018. ECs during potentially reproductive age more frequently displayed favorable characteristics, such as endometrioid histology, and lower histological grade than those in non-potentially reproductive age. Among the 1223 patients diagnosed with localized endometrioid EC, 74 cases (6.0%) received HT as an initial treatment, while 1100 cases (90.0%) underwent surgery as their initial treatment. When the two treatment groups were compared, there was no significant difference in overall survival (p = 0.3713). The estimated 5-year survival rates were 100 and 98.8% in the HT and surgery groups, respectively. CONCLUSION EC is increasingly diagnosed during potentially reproductive age in Japan. The use of HT as an initial treatment is increasing, and achieved comparable survival outcomes to urgery against localized endometrioid EC during the potentially reproductive age.
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Affiliation(s)
- Tomoyuki Sasano
- Department of Obstetrics and Gynecology, Osaka Saiseikai Nakatsu Hospital, Osaka, 530-0012, Japan
| | - Seiji Mabuchi
- Department of Gynecology, Osaka International Cancer Institute, 3-1-69, Otemae, Osaka, 541-8567, Japan.
| | - Naoko Komura
- Department of Obstetrics and Gynecology, Kaizuka City Hospital, Osaka, 597-0015, Japan
| | - Mina Sakata
- Department of Gynecology, Osaka International Cancer Institute, 3-1-69, Otemae, Osaka, 541-8567, Japan
| | - Shoji Kamiura
- Department of Gynecology, Osaka International Cancer Institute, 3-1-69, Otemae, Osaka, 541-8567, Japan
| | - Toshitaka Morishima
- Cancer Control Center, Osaka International Cancer Institute., Osaka, 541-8567, Japan
| | - Isao Miyashiro
- Cancer Control Center, Osaka International Cancer Institute., Osaka, 541-8567, Japan
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Ando H, Komura N. Recent progress in the synthesis of glycosphingolipids. Curr Opin Chem Biol 2024; 78:102423. [PMID: 38184907 DOI: 10.1016/j.cbpa.2023.102423] [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] [Received: 11/24/2023] [Revised: 12/12/2023] [Accepted: 12/13/2023] [Indexed: 01/09/2024]
Abstract
To accelerate the biological study and application of the diverse functions of glycosphingolipids (GSLs), the production of structurally defined GSLs has been greatly demanded. In this review, we focus on the recent developments in the chemical and chemoenzymatic synthesis of GSLs. In the chemical synthesis section, the syntheses based on glucosyl ceramide cassette, late-stage sialylation, and diversity-oriented strategies for GSLs or ganglioside synthesis are highlighted, which delivered terpioside B, fluorescent sialyl lactotetraosyl ceramide, and analogs of lacto-ganglio-series GSLs, respectively. In the chemoenzymatic synthesis section, the synthesis of ganglioside GM1 by multistep one-pot multienzyme method and the total synthesis of highly complex ganglioside LLG-5 using a water-soluble lactosyl ceramide as a key substrate for enzymatic sialylation are described.
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Affiliation(s)
- Hiromune Ando
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.
| | - Naoko Komura
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
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Pal R, Yamazaki A, Komura N, Tanaka HN, Imamura A, Ishida H, Ando H. Convergent synthesis of functionalized derivatives of stage-specific embryonic antigens 3 & 4. Carbohydr Res 2024; 535:108990. [PMID: 38039697 DOI: 10.1016/j.carres.2023.108990] [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] [Received: 09/29/2023] [Revised: 11/21/2023] [Accepted: 11/21/2023] [Indexed: 12/03/2023]
Abstract
Stage-specific embryonic antigens (SSEAs) are carbohydrate markers that have diverse roles in embryonic development. However, the exact roles of SSEAs remain unclear. To obtain mechanistic insights into their roles, we aimed to develop functionalized SSEA glycan analogs via chemical synthesis. Herein, we report a convergent synthetic approach for SSEA-3 and SSEA-4 analogs using readily available versatile building blocks. A key step, namely the stereoselective glycosylation of a common tetrasaccharide acceptor, was successfully achieved using a 4-O-Bn Gal donor for SSEA-3 and a Neu-Gal donor for SSEA-4, which were previously developed by our group. The obtained SSEA-3 and SSEA-4 glycans were further functionalized with biotin and deuterated lipid for applications in biological studies. Thus, the findings of this study will facilitate further research on SSEAs.
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Affiliation(s)
- Rita Pal
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan; Institute for Integrated Cell-Material Sciences, Kyoto University, Kyoto, 606-8501, Japan
| | - Ayano Yamazaki
- Department of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Naoko Komura
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan; Institute for Integrated Cell-Material Sciences, Kyoto University, Kyoto, 606-8501, Japan.
| | - Hide-Nori Tanaka
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Akihiro Imamura
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan; Department of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Hideharu Ishida
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan; Department of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Hiromune Ando
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan; Institute for Integrated Cell-Material Sciences, Kyoto University, Kyoto, 606-8501, Japan.
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Mabuchi S, Komura N, Sasano T, Sakata M, Matsuzaki S, Hisa T, Kamiura S, Morishima T, Miyashiro I. Population-Based Survival Analysis of Stage IVB Small-Cell Neuroendocrine Carcinoma in Comparison to Major Histological Subtypes of Cervical Cancer. Curr Oncol 2023; 30:9428-9436. [PMID: 37999102 PMCID: PMC10670469 DOI: 10.3390/curroncol30110682] [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] [Received: 08/30/2023] [Revised: 10/19/2023] [Accepted: 10/20/2023] [Indexed: 11/25/2023] Open
Abstract
The aim of the current study is to investigate the survival outcome of stage IVB SCNEC of the uterine cervix in comparison to major histological subtypes of cervical cancer. A population-based retrospective cohort study was conducted using the Osaka Cancer Registry data from 1994 to 2018. All FIGO 2009 stage IVB cervical cancer patients who displayed squamous cell carcinoma (SCC), adenocarcinoma (A), adenosquamous cell carcinoma (AS), or small-cell neuroendocrine carcinoma (SCNEC) were first identified. The patients were classified into groups according to the types of primary treatment. Then, their survival rates were examined using the Kaplan-Meier method. Overall, in a total of 1158 patients, clearly differential survival rates were observed according to the histological subtypes, and SCNEC was associated with shortest survival. When examined according to the types of primary treatments, SCNEC was associated with significantly decreased survival when compared to SCC or A/AS, except for those treated with surgery. In patients with FIGO 2009 stage IVB cervical cancer, SCNEC was associated with decreased survival when compared to SCC or A/AS. Although current treatments with either surgery, chemotherapy or radiotherapy have some therapeutic efficacies, to improve the prognosis, novel effective treatments specifically targeting cervical SCNEC need to be developed.
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Affiliation(s)
- Seiji Mabuchi
- Department of Gynecology, Osaka International Cancer Institute, Osaka 541-8567, Japan (T.H.)
| | - Naoko Komura
- Department of Obstetrics and Gynecology, Kaizuka City Hospital, Osaka 597-0015, Japan
| | - Tomoyuki Sasano
- Department of Obstetrics and Gynecology, Osaka Saiseikai Nakatsu Hospital, Osaka 530-0012, Japan
| | - Mina Sakata
- Department of Gynecology, Osaka International Cancer Institute, Osaka 541-8567, Japan (T.H.)
| | - Shinya Matsuzaki
- Department of Gynecology, Osaka International Cancer Institute, Osaka 541-8567, Japan (T.H.)
| | - Tsuyoshi Hisa
- Department of Gynecology, Osaka International Cancer Institute, Osaka 541-8567, Japan (T.H.)
| | - Shoji Kamiura
- Department of Gynecology, Osaka International Cancer Institute, Osaka 541-8567, Japan (T.H.)
| | - Toshitaka Morishima
- Cancer Control Center, Osaka International Cancer Institute, Osaka 541-8567, Japan
| | - Isao Miyashiro
- Cancer Control Center, Osaka International Cancer Institute, Osaka 541-8567, Japan
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Sasano T, Mabuchi S, Komura N, Maeda M, Kamiura S, Morishima T, Miyashiro I. Evaluation of survival outcomes between minimally invasive and open surgery in the treatment of early-stage endometrial cancer: a population-based study in Osaka Japan. Jpn J Clin Oncol 2023; 53:791-797. [PMID: 37366149 DOI: 10.1093/jjco/hyad067] [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] [Received: 04/15/2023] [Accepted: 06/06/2023] [Indexed: 06/28/2023] Open
Abstract
OBJECTIVE To compare the oncological outcomes between Japanese women who underwent minimally invasive surgery and those who underwent open surgery for early-stage endometrial cancer. METHODS This population-based retrospective cohort study was conducted using data from the Osaka Cancer Registry from 2011 to 2018. Surgically treated patients for localized (uterine-confined) endometrial cancer were identified. Patients were classified into two groups according to the type of surgery (minimally invasive surgery group and open-surgery group), pathological risk factors (low-risk and high-risk), and year of diagnosis (Group 1, 2011-14; Group 2, 2015-18). Overall survival was compared between the minimally invasive surgery and open-surgery groups. RESULTS In the analyses including all patients, there was no difference in overall survival between the minimally invasive surgery and open-surgery groups (P = 0.0797). The 4-year overall survival rate was 97.1 and 95.7% in the minimally invasive surgery and open-surgery groups, respectively. When investigated according to pathological risks, there were no differences in overall survival between the minimally invasive surgery and open-surgery groups in both the low- and high-risk groups. In the low-risk group, the 4-year overall survival rates in the minimally invasive surgery and open-surgery groups were 97.7 and 96.5%, respectively. In the high-risk group, the 4-year overall survival rates in the minimally invasive surgery and open-surgery groups were 91.2 and 93.2%, respectively. Similarly, there were no differences in overall survival between the minimally invasive surgery and open-surgery groups in both Group 1 (P = 0.4479 in low-risk and P = 0.1826 in high-risk groups) and Group 2 (P = 0.1750 in low-risk and P = 0.0799 in high-risk groups). CONCLUSION Our study provides epidemiological evidence that minimally invasive surgery is an effective alternative to open surgery in Japanese patients with early-stage endometrial cancer.
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Affiliation(s)
- Tomoyuki Sasano
- Department of Obstetrics and Gynecology, Osakea Saiseikai Nakatsu Hospital, Osaka, Japan
| | - Seiji Mabuchi
- Department of Gynecology, Osaka International Cancer Institute, Osaka, Japan
| | - Naoko Komura
- Department of Obstetrics and Gynecology, Kaizuka City Hospital, Osaka, Japan
| | - Michihide Maeda
- Department of Gynecology, Osaka International Cancer Institute, Osaka, Japan
| | - Shoji Kamiura
- Department of Gynecology, Osaka International Cancer Institute, Osaka, Japan
| | | | - Isao Miyashiro
- Cancer Control Center, Osaka International Cancer Institute, Osaka, Japan
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7
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Murate M, Yokoyama N, Tomishige N, Richert L, Humbert N, Pollet B, Makino A, Kono N, Mauri L, Aoki J, Sako Y, Sonnino S, Komura N, Ando H, Kaneko MK, Kato Y, Inamori KI, Inokuchi JI, Mély Y, Iwabuchi K, Kobayashi T. Cell density-dependent membrane distribution of ganglioside GM3 in melanoma cells. Cell Mol Life Sci 2023; 80:167. [PMID: 37249637 PMCID: PMC11073213 DOI: 10.1007/s00018-023-04813-9] [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] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 04/21/2023] [Accepted: 05/17/2023] [Indexed: 05/31/2023]
Abstract
Monosialoganglioside GM3 is the simplest ganglioside involved in various cellular signaling. Cell surface distribution of GM3 is thought to be crucial for the function of GM3, but little is known about the cell surface GM3 distribution. It was shown that anti-GM3 monoclonal antibody binds to GM3 in sparse but not in confluent melanoma cells. Our model membrane study evidenced that monoclonal anti-GM3 antibodies showed stronger binding when GM3 was in less fluid membrane environment. Studies using fluorescent GM3 analogs suggested that GM3 was clustered in less fluid membrane. Moreover, fluorescent lifetime measurement showed that cell surface of high density melanoma cells is more fluid than that of low density cells. Lipidomics and fatty acid supplementation experiment suggested that monounsaturated fatty acid-containing phosphatidylcholine contributed to the cell density-dependent membrane fluidity. Our results indicate that anti-GM3 antibody senses GM3 clustering and the number and/or size of GM3 cluster differ between sparse and confluent melanoma cells.
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Affiliation(s)
- Motohide Murate
- Lipid Biology Laboratory, RIKEN, Wako, Saitama, 351-0198, Japan.
- Laboratoire de Bioimagerie et Pathologies, UMR 7021, CNRS, Faculté de Pharmacie, Université de Strasbourg, 67401, Illkirch, France.
- Cellular Informatics Laboratory, RIKEN CPR, Wako, Saitama, 351-0198, Japan.
| | - Noriko Yokoyama
- Institute for Environmental and Gender-Specific Medicine, Graduate School of Medicine, Juntendo University, Urayasu, Chiba, 279-0021, Japan
| | - Nario Tomishige
- Lipid Biology Laboratory, RIKEN, Wako, Saitama, 351-0198, Japan
- Laboratoire de Bioimagerie et Pathologies, UMR 7021, CNRS, Faculté de Pharmacie, Université de Strasbourg, 67401, Illkirch, France
- Cellular Informatics Laboratory, RIKEN CPR, Wako, Saitama, 351-0198, Japan
| | - Ludovic Richert
- Laboratoire de Bioimagerie et Pathologies, UMR 7021, CNRS, Faculté de Pharmacie, Université de Strasbourg, 67401, Illkirch, France
| | - Nicolas Humbert
- Laboratoire de Bioimagerie et Pathologies, UMR 7021, CNRS, Faculté de Pharmacie, Université de Strasbourg, 67401, Illkirch, France
| | - Brigitte Pollet
- Laboratoire de Bioimagerie et Pathologies, UMR 7021, CNRS, Faculté de Pharmacie, Université de Strasbourg, 67401, Illkirch, France
| | - Asami Makino
- Lipid Biology Laboratory, RIKEN, Wako, Saitama, 351-0198, Japan
- Molecular Physiology Laboratory, RIKEN CPR, Wako, Saitama, 351-0198, Japan
| | - Nozomu Kono
- Department of Health Chemistry, Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1, Hongo, Bunkyo-Ku, Tokyo, 113-0033, Japan
| | - Laura Mauri
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy
| | - Junken Aoki
- Department of Health Chemistry, Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1, Hongo, Bunkyo-Ku, Tokyo, 113-0033, Japan
| | - Yasushi Sako
- Cellular Informatics Laboratory, RIKEN CPR, Wako, Saitama, 351-0198, Japan
| | - Sandro Sonnino
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy
| | - Naoko Komura
- Institute for Glyco-Core Research, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Hiromune Ando
- Institute for Glyco-Core Research, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Mika K Kaneko
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Miyagi, 980-8575, Japan
| | - Yukinari Kato
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Miyagi, 980-8575, Japan
| | - Kei-Ichiro Inamori
- Division of Glycopathology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, 981-8558, Japan
| | - Jin-Ichi Inokuchi
- Division of Glycopathology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, 981-8558, Japan
- Forefront Research Center, Graduate School of Science, Osaka University, Toyonaka, Osaka, 560-0043, Japan
| | - Yves Mély
- Laboratoire de Bioimagerie et Pathologies, UMR 7021, CNRS, Faculté de Pharmacie, Université de Strasbourg, 67401, Illkirch, France
| | - Kazuhisa Iwabuchi
- Institute for Environmental and Gender-Specific Medicine, Graduate School of Medicine, Juntendo University, Urayasu, Chiba, 279-0021, Japan.
| | - Toshihide Kobayashi
- Lipid Biology Laboratory, RIKEN, Wako, Saitama, 351-0198, Japan.
- Laboratoire de Bioimagerie et Pathologies, UMR 7021, CNRS, Faculté de Pharmacie, Université de Strasbourg, 67401, Illkirch, France.
- Cellular Informatics Laboratory, RIKEN CPR, Wako, Saitama, 351-0198, Japan.
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Mabuchi S, Sasano T, Komura N, Maeda M, Matsuzaki S, Hisa T, Kamiura S, Morishima T, Miyashiro I. Comparison of the Survival Outcomes of Minimally Invasive Surgery with Open Surgery in Patients with Uterine-Confined and Node-Negative Cervical Cancer: A Population-Based Study. Cancers (Basel) 2023; 15:2756. [PMID: 37345093 DOI: 10.3390/cancers15102756] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/03/2023] [Accepted: 05/12/2023] [Indexed: 06/23/2023] Open
Abstract
We aimed to compare the oncological outcomes between Japanese women with uterine-confined and node-negative cervical cancer who underwent open surgery and those who underwent minimally invasive surgery (MIS). A population-based retrospective cohort study was conducted using data from the Osaka Cancer Registry that ranged from 2011 to 2018. A total of 2279 patients who underwent surgical treatment for uterine-confined and node-negative cervical cancer were identified. The patients were classified into groups according to surgery type (open and MIS groups) and year of diagnosis (group one, 2011-2014; group two, 2015-2018). The oncologic outcomes were compared between the MIS and open groups. When the MIS group (n = 225) was compared with open group (n = 2054), overall, there was no significant between-group difference in terms of overall survival. Based on Kaplan-Meier estimates, the probability of overall survival at four years was 99.5% in the MIS group and 97.2% in the open group (p = 0.1110). When examined according to the year of diagnosis, there were no significant between-group differences in the overall survival in both groups one and two. In this population-based cohort study, MIS did not compromise survival outcomes when compared with conventional open surgery in Japanese patients with uterine-confined and node-negative (FIGO 2018 stage I) cervical cancer.
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Affiliation(s)
- Seiji Mabuchi
- Department of Gynecology, Osaka International Cancer Institute, Osaka 541-8567, Japan
| | - Tomoyuki Sasano
- Department of Obstetrics and Gynecology, Osaka Saiseikai Nakatsu Hospital, Osaka 530-0012, Japan
| | - Naoko Komura
- Department of Obstetrics and Gynecology, Kaizuka City Hospitl, Osaka 597-0015, Japan
| | - Michihide Maeda
- Department of Gynecology, Osaka International Cancer Institute, Osaka 541-8567, Japan
| | - Shinya Matsuzaki
- Department of Gynecology, Osaka International Cancer Institute, Osaka 541-8567, Japan
| | - Tsuyoshi Hisa
- Department of Gynecology, Osaka International Cancer Institute, Osaka 541-8567, Japan
| | - Shoji Kamiura
- Department of Gynecology, Osaka International Cancer Institute, Osaka 541-8567, Japan
| | - Toshitaka Morishima
- Cancer Control Center, Osaka International Cancer Institute, Osaka 541-8567, Japan
| | - Isao Miyashiro
- Cancer Control Center, Osaka International Cancer Institute, Osaka 541-8567, Japan
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Suzuki KGN, Komura N, Ando H. Recently developed glycosphingolipid probes and their dynamic behavior in cell plasma membranes as revealed by single-molecule imaging. Glycoconj J 2023; 40:305-314. [PMID: 37133616 DOI: 10.1007/s10719-023-10116-9] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/12/2023] [Indexed: 05/04/2023]
Abstract
Glycosphingolipids, including gangliosides, are representative lipid raft markers that perform a variety of physiological roles in cell membranes. However, studies aimed at revealing their dynamic behavior in living cells are rare, mostly due to a lack of suitable fluorescent probes. Recently, the ganglio-series, lacto-series, and globo-series glycosphingolipid probes, which mimic the behavior of the parental molecules in terms of partitioning to the raft fraction, were developed by conjugating hydrophilic dyes to the terminal glycans of glycosphingolipids using state-of-art entirely chemical-based synthetic techniques. High-speed, single-molecule observation of these fluorescent probes revealed that gangliosides were scarcely trapped in small domains (100 nm in diameter) for more than 5 ms in steady-state cells, suggesting that rafts including gangliosides were always moving and very small. Furthermore, dual-color, single-molecule observations clearly showed that homodimers and clusters of GPI-anchored proteins were stabilized by transiently recruiting sphingolipids, including gangliosides, to form homodimer rafts and the cluster rafts, respectively. In this review, we briefly summarize recent studies, the development of a variety of glycosphingolipid probes as well as the identification of the raft structures including gangliosides in living cells by single-molecule imaging.
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Affiliation(s)
- Kenichi G N Suzuki
- Institute for Glyco-core Research (iGCORE), Gifu University, 501-1193, Gifu, Japan.
| | - Naoko Komura
- Institute for Glyco-core Research (iGCORE), Gifu University, 501-1193, Gifu, Japan.
| | - Hiromune Ando
- Institute for Glyco-core Research (iGCORE), Gifu University, 501-1193, Gifu, Japan.
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Yamaguchi E, Komura N, Tanaka HN, Imamura A, Ishida H, Groux-Degroote S, Mühlenhoff M, Suzuki KGN, Ando H. Fluorescent GD2 analog for single-molecule imaging. Glycoconj J 2023; 40:247-257. [PMID: 36701103 DOI: 10.1007/s10719-023-10102-1] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/06/2023] [Accepted: 01/13/2023] [Indexed: 01/27/2023]
Abstract
Ganglioside GD2 is associated with the proliferation and migration of breast cancer cells. However, the precise role of GD2 is unclear because its tendency to form dynamic and transient domains in cell plasma membranes (PMs), called lipid rafts, makes it difficult to observe. Previously, we developed fluorescent analogs of gangliosides (e.g., GM3 and GM1), which enabled the observation of lipid raft formation for the first time using single-molecule imaging. In this report, we describe the first chemical synthesis of a fluorescent ganglioside, GD2. A biophysical analysis of the synthesized analog revealed its raft-philic character, suggesting its potential to aid single-molecule imaging-based investigations into raft-associated interactions.
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Affiliation(s)
- Eriko Yamaguchi
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, 501-1193, Gifu, Japan
| | - Naoko Komura
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, 501-1193, Gifu, Japan.
| | - Hide-Nori Tanaka
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, 501-1193, Gifu, Japan
| | - Akihiro Imamura
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, 501-1193, Gifu, Japan
- Department of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, 501-1193, Gifu, Japan
| | - Hideharu Ishida
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, 501-1193, Gifu, Japan
- Department of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, 501-1193, Gifu, Japan
| | - Sophie Groux-Degroote
- UMR 8576-UGSF-Unité de Glycobiologie Structurale et Fonctionnelle, CNRS, Université de Lille, F-59000, Lille, France
| | - Martina Mühlenhoff
- Institute of Clinical Biochemistry, Hannover Medical School, 30623, Hannover, Germany
| | - Kenichi G N Suzuki
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, 501-1193, Gifu, Japan.
| | - Hiromune Ando
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, 501-1193, Gifu, Japan.
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11
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Asano T, Udagawa T, Komura N, Imamura A, Ishida H, Ando H, Tanaka HN. Unprecedented neighboring group participation of C2 N-imidoxy functionalities for 1,2-trans-selective glycosylation. Carbohydr Res 2023; 527:108808. [PMID: 37068315 DOI: 10.1016/j.carres.2023.108808] [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] [Received: 02/22/2023] [Revised: 03/28/2023] [Accepted: 04/05/2023] [Indexed: 04/08/2023]
Abstract
Stereoselective glycosylation reactions are important in carbohydrate chemistry. The most used method for 1,2-trans(β)-selective glycosylation involves the neighboring group participation (NGP) of the 2-O-acyl protecting group; nevertheless, an alternative stereoselective method independent of classical NGP would contribute to carbohydrate chemistry, despite being challenging to achieve. Herein, a β-selective glycosylation reaction employing unprecedented NGP of the C2 N-succinimidoxy and phthalimidoxy functionalities is reported. The C2 functionalities provided the glycosylated products in high yields with β-selectivity. The participation of the functionalities from the α face of the glycosyl oxocarbenium ions gives stable six-membered intermediates and is supported by density functional theory calculations. The applicability of the phthalimidoxy functionality for hydroxyl protection is also demonstrated. This work expands the scope of functionalities tolerated in carbohydrate chemistry to include O-N moieties.
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12
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Yoshino A, Kobayashi E, Tsuboyama T, Fukui H, Tomiyama N, Sato K, Morii E, Nakatani E, Komura N, Sawada I, Tanaka Y, Hori K, Yoshimura A, Takahashi R, Iwamiya T, Hisa T, Nishimura S, Kitai T, Yokota H, Shindo M, Miyata H, Hashimoto N, Sakiyama K, Abe H, Ueda Y, Kimura T. Novel Strategy for the Management of Cervical Multicystic Diseases. Ann Surg Oncol 2023; 30:2964-2973. [PMID: 36920588 PMCID: PMC10085883 DOI: 10.1245/s10434-022-13033-7] [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] [Received: 06/20/2022] [Accepted: 12/13/2022] [Indexed: 03/16/2023]
Abstract
PURPOSE To investigate the clinical practices of diagnosing multicystic cervical lesions as a means to develop a more appropriate diagnostic algorithm for gastric-type adenocarcinoma (GAS) and its precursors. METHODS Clinical information for 159 surgically treated patients for multicystic disease of the uterine cervix was collected from 15 hospitals. We performed a central review of the MRI and pathological findings. The MRI findings were categorized into four types including two newly proposed imaging features based on the morphology and distribution of cysts, and the diagnosis accuracy was assessed. Among the four MRI types, types 1 and 2 were categorized as benign lesions that included LEGH; type 3 were precancerous lesions (with an assumption of atypical LEGH); and type 4 were malignant lesions. RESULTS The central pathological review identified 56 cases of LEGH, seven with GAS, four with another form of carcinoma, and 92 with benign disease. In clinical practice, over-diagnosis of malignancy (suspicion of MDA) occurred for 12/19 cases (63.2%) and under-diagnosis of malignancy occurred for 4/11 (36%). Among the 118 patients who had a preoperative MRI and underwent a hysterectomy, type 3 or 4 MRI findings in conjunction with abnormal cytology were positively indicative of premalignancy or malignancy, with a sensitivity and specificity of 61.1% and 96.7%, respectively. CONCLUSIONS Although the correct preoperative diagnosis of cervical cancer with a multicystic lesion is challenging, the combination of cytology and MRI findings creates a more appropriate diagnostic algorithm that significantly improves the diagnostic accuracy for differentiating benign disease from premalignancy and malignancy.
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Affiliation(s)
- Ai Yoshino
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Eiji Kobayashi
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan.
| | - Takahiro Tsuboyama
- Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Hideyuki Fukui
- Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Noriyuki Tomiyama
- Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Kazuaki Sato
- Department of Pathology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Eiichi Morii
- Department of Pathology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Eiji Nakatani
- Graduate School of Public Health (Medical Statistics), Shizuoka Graduate University of Public Health, Shizuoka, Japan
| | - Naoko Komura
- Department of Obstetrics and Gynecology, Kaizuka City Hospital, Osaka, Japan
| | - Ikuko Sawada
- Department of Obstetrics and Gynecology, Itami City Hospital, Itami, Hyogo, Japan
| | - Yusuke Tanaka
- Department of Obstetrics and Gynecology, Osaka Rousai Hospital, Osaka, Japan
| | - Kensuke Hori
- Department of Obstetrics and Gynecology, Kansai Rousai Hospital, Amagasaki, Hyogo, Japan
| | - Akihiko Yoshimura
- Department of Obstetrics and Gynecology, Bell Land General Hospital, Osaka, Japan
| | - Ryoko Takahashi
- Department of Obstetrics and Gynecology, Toyonaka Municipal Hospital, Osaka, Japan
| | - Tadashi Iwamiya
- Department of Obstetrics and Gynecology, Osaka General Medical Center, Osaka, Japan
| | - Tsuyoshi Hisa
- Department of Obstetrics and Gynecology, Osaka International Cancer Institute, Osaka, Japan
| | - Sadako Nishimura
- Department of Obstetrics and Gynecology, Sumitomo Hospital, Osaka, Japan
| | - Toshihiro Kitai
- Department of Obstetrics and Gynecology, Hyogo Prefectural Nishinomiya Hospital Hyogo, Nishinomiya, Japan
| | - Hiromi Yokota
- Department of Obstetrics and Gynecology, Suita Municipal Hospital, Osaka, Japan
| | - Mariko Shindo
- Department of Obstetrics and Gynecology, Hannan Chuo Hospital, Osaka, Japan
| | - Hiromi Miyata
- Department of Obstetrics and Gynecology, Ashiya Municipal Hospital, Ashiya, Hyogo, Japan
| | - Namiko Hashimoto
- Department of Obstetrics and Gynecology, Nippon Life Hospital, Osaka, Japan
| | - Kanako Sakiyama
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Hazuki Abe
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yutaka Ueda
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Tadashi Kimura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
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13
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Mabuchi S, Komura N, Kodama M, Matsuzaki S, Matsumoto Y, Kamiura S, Kimura T. Impact of lymphadenectomy in patients with locally recurrent or persistent cervical cancer treated with salvage hysterectomy. J Obstet Gynaecol Res 2023; 49:717-724. [PMID: 36394130 DOI: 10.1111/jog.15495] [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] [Received: 08/11/2022] [Revised: 09/25/2022] [Accepted: 10/28/2022] [Indexed: 11/18/2022]
Abstract
AIM To investigate the role of lymphadenectomy (LND) in locally recurrent or persistent cervical cancer patients treated with salvage hysterectomy. METHODS Locally recurrent or persistent cervical cancer patients treated with salvage hysterectomy, with or without LND, were identified. Patients were divided into two groups according to the status of radiologic evidence of lymph node metastasis, and the impact of LND was investigated by evaluating postoperative survival. RESULTS This study included 72 patients; 48 did not show radiological evidence of lymph node metastasis (Group 1) while 24 did (Group 2). Overall, the addition of LND to salvage hysterectomy resulted in increased postoperative complications. In Group 1, salvage hysterectomy plus LND resulted in the identification of five cases with false-negative lymph nodes (19.2%), but showed no advantage over salvage hysterectomy alone in terms of postoperative survival. In Group 2, all patients underwent LND, which resulted in the identification of eight cases with false-positive nodes (33.3%), and reasonably long postoperative survival. The estimated 3-year postoperative survival rate in this group was 39.7%. CONCLUSION Including LND in salvage hysterectomy allows for precise lymph node staging but increases risk of postoperative complications. However, considering the inability to improve survival, LND should not be performed during salvage hysterectomy in patients without radiological evidence of lymph node metastasis. In patients with radiological evidence of lymph node metastasis, salvage hysterectomy plus LND can only be performed in those who understand the risk of postoperative complications and the limited evidence supporting its survival advantage.
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Affiliation(s)
- Seiji Mabuchi
- Department of Gynecology, Osaka International Cancer Institute, Osaka, Japan
| | - Naoko Komura
- Department of Obstetrics and Gynecology, Kaizuka City Hospitl, Osaka, Japan
| | - Michiko Kodama
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Shinya Matsuzaki
- Department of Gynecology, Osaka International Cancer Institute, Osaka, Japan
| | - Yuri Matsumoto
- Department of Obstetrics and Gynecology, Suita Tokusyukai Hospital, Suita, Osaka, Japan
| | - Shoji Kamiura
- Department of Gynecology, Osaka International Cancer Institute, Osaka, Japan
| | - Tadashi Kimura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
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14
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Yoshino A, Kobayashi E, Tsuboyama T, Fukui H, Tomiyama N, Sato K, Morii E, Nakatani E, Komura N, Sawada I, Tanaka Y, Hori K, Yoshimura A, Takahashi R, Iwamiya T, Hisa T, Nishimura S, Kitai T, Yokota H, Shindo M, Miyata H, Hashimoto N, Sakiyama K, Abe H, Ueda Y, Kimura T. ASO Visual Abstract: Novel Strategy for the Management of Cervical Multicystic Diseases. Ann Surg Oncol 2023; 30:2974-2975. [PMID: 36705817 DOI: 10.1245/s10434-022-13084-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Ai Yoshino
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Eiji Kobayashi
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan.
| | - Takahiro Tsuboyama
- Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Hideyuki Fukui
- Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Noriyuki Tomiyama
- Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Kazuaki Sato
- Department of Pathology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Eiichi Morii
- Department of Pathology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Eiji Nakatani
- Graduate School of Public Health (Medical Statistics), Shizuoka Graduate University of Public Health, Shizuoka, Japan
| | - Naoko Komura
- Department of Obstetrics and Gynecology, Kaizuka City Hospital, Osaka, Japan
| | - Ikuko Sawada
- Department of Obstetrics and Gynecology, Itami City Hospital, Hyogo, Japan
| | - Yusuke Tanaka
- Department of Obstetrics and Gynecology, Osaka Rousai Hospital, Osaka, Japan
| | - Kensuke Hori
- Department of Obstetrics and Gynecology, Kansai Rousai Hospital, Hyogo, Japan
| | - Akihiko Yoshimura
- Department of Obstetrics and Gynecology, Bell Land General Hospital, Osaka, Japan
| | - Ryoko Takahashi
- Department of Obstetrics and Gynecology, Toyonaka Municipal Hospital, Osaka, Japan
| | - Tadashi Iwamiya
- Department of Obstetrics and Gynecology, Osaka General Medical Center, Osaka, Japan
| | - Tsuyoshi Hisa
- Department of Obstetrics and Gynecology, Osaka International Cancer Institute, Osaka, Japan
| | - Sadako Nishimura
- Department of Obstetrics and Gynecology, Sumitomo Hospital, Osaka, Japan
| | - Toshihiro Kitai
- Department of Obstetrics and Gynecology, Hyogo Prefectural Nishinomiya Hospital, Hyogo, Japan
| | - Hiromi Yokota
- Department of Obstetrics and Gynecology, Suita Municipal Hospital, Osaka, Japan
| | - Mariko Shindo
- Department of Obstetrics and Gynecology, Hannan Chuo Hospital, Osaka, Japan
| | - Hiromi Miyata
- Department of Obstetrics and Gynecology, Ashiya Municipal Hospital, Hyogo, Japan
| | - Namiko Hashimoto
- Department of Obstetrics and Gynecology, Nippon Life Hospital, Osaka, Japan
| | - Kanako Sakiyama
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Hazuki Abe
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yutaka Ueda
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Tadashi Kimura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
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15
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Hamajima S, Komura N, Tanaka HN, Imamura A, Ishida H, Ichiyanagi T, Ando H. Investigation of the Protection of the C4 Hydroxyl Group in Macrobicyclic Kdo Donors. Molecules 2022; 28:molecules28010102. [PMID: 36615297 PMCID: PMC9822203 DOI: 10.3390/molecules28010102] [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] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 12/19/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022]
Abstract
Chemical synthesis of 3-deoxy-d-manno-2-octulosonic acid (Kdo)-containing glycans, such as bacterial lipopolysaccharides (LPSs) and capsular polysaccharides (CPSs), is in high demand for the development of vaccines against pathogenic bacteria. We have recently achieved the complete α-stereoselective glycosidation of Kdo using a macrobicyclic donor tethered at the C1 and C5 positions. In this study, to expand the scope of Kdo glycosidation, we sought to protect the 4-OH group, thereby shortening the reaction time and ensuring the conversion of the glycosyl acceptor via its selective removal. The protection of the 4-OH group influenced the reactivity of the Kdo donor, and the triisopropylsilyl (TIPS) group acted as a selectively removable booster. The 4-O-TIPS donor allowed the synthesis of the α(2,4)-linked dimeric Kdo sequence, which is widely found in bacterial LPSs.
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Affiliation(s)
- Shogo Hamajima
- The United Graduate School of Agricultural Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Naoko Komura
- Institute for Glyco-Core Research, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Hide-Nori Tanaka
- Institute for Glyco-Core Research, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Akihiro Imamura
- Institute for Glyco-Core Research, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Hideharu Ishida
- Institute for Glyco-Core Research, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Tsuyoshi Ichiyanagi
- Department of Life and Environmental Sciences, Faculty of Agriculture, Tottori University, 4-101, Tottori 680-8553, Japan
| | - Hiromune Ando
- Institute for Glyco-Core Research, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- Correspondence:
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16
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Hamajima S, Komura N, Tanaka HN, Imamura A, Ishida H, Noguchi H, Ichiyanagi T, Ando H. Full Stereocontrol in α-Glycosidation of 3-Deoxy- d- manno-2-octulosonic Acid (Kdo) Using Macrobicyclic Glycosyl Donors. Org Lett 2022; 24:8672-8676. [DOI: 10.1021/acs.orglett.2c03542] [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: 11/19/2022]
Affiliation(s)
- Shogo Hamajima
- The United Graduate School of Agricultural Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Naoko Komura
- Institute for Glyco-core Research, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- The United Graduate School of Agricultural Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Hide-Nori Tanaka
- Institute for Glyco-core Research, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- The United Graduate School of Agricultural Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Akihiro Imamura
- Institute for Glyco-core Research, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- The United Graduate School of Agricultural Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Hideharu Ishida
- Institute for Glyco-core Research, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- The United Graduate School of Agricultural Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Haruka Noguchi
- Department of Life and Environmental Sciences, Faculty of Agriculture, Tottori University, 4-101, Tottori 680-8553, Japan
| | - Tsuyoshi Ichiyanagi
- Department of Life and Environmental Sciences, Faculty of Agriculture, Tottori University, 4-101, Tottori 680-8553, Japan
| | - Hiromune Ando
- Institute for Glyco-core Research, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- The United Graduate School of Agricultural Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
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17
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Hagino R, Mozaki K, Komura N, Imamura A, Ishida H, Ando H, Tanaka HN. Straightforward Synthesis of the Poly(ADP-ribose) Branched Core Structure. ACS Omega 2022; 7:32795-32804. [PMID: 36119971 PMCID: PMC9476175 DOI: 10.1021/acsomega.2c04732] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 08/23/2022] [Indexed: 06/15/2023]
Abstract
Poly(ADP-ribosyl)ation is a post-translational modification that produces poly(ADP-ribose) with a branched structure every 20-50 units; such branching structure has been previously suggested to be involved in regulating chromatin remodeling. To elucidate its detailed functions, we developed a straightforward method for the synthesis of the poly(ADP-ribose) branched core structure, α-d-ribofuranosyl-(1‴ → 2″)-α-d-ribofuranosyl-(1″ → 2')-adenosine 5',5'',5‴-trisphosphate 1, from 6-chloropurine ribofuranoside 4 in 10 steps and 6.1% overall yield. The structure poses synthetic challenges for constructing iterative α-1,2-cis-glycosidic bonds in the presence of a purine base and the installation of three phosphate groups at primary hydroxyl groups. Iterative glycosidic bonds were formed by α-1,2-cis-selective ribofuranosylation using 2-O-(2-naphthylmethyl)-protected thioglycoside donor 6 and a thiophilic bismuth promoter. After the construction of diribofuranosyl adenosine 5 had been constructed, it was chemo- and regioselectively phosphorylated at a later stage. Subsequent deprotection provided the synthetic target 1.
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Affiliation(s)
- Rui Hagino
- The
United Graduate School of Agricultural Science, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- Department
of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Keita Mozaki
- Department
of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Naoko Komura
- Institute
for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Akihiro Imamura
- Institute
for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- The
United Graduate School of Agricultural Science, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- Department
of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Hideharu Ishida
- Institute
for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- The
United Graduate School of Agricultural Science, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- Department
of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Hiromune Ando
- Institute
for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- The
United Graduate School of Agricultural Science, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Hide-Nori Tanaka
- Institute
for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- The
United Graduate School of Agricultural Science, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
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18
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Hamaya Y, Komura N, Imamura A, Ishida H, Ando H, Tanaka HN. Protecting-group- and microwave-free synthesis of β-glycosyl esters and aryl β-glycosides of N-acetyl-d-glucosamine. Bioorg Med Chem 2022; 67:116852. [PMID: 35649323 DOI: 10.1016/j.bmc.2022.116852] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/19/2022] [Accepted: 05/20/2022] [Indexed: 11/26/2022]
Abstract
A protecting-group-free method for synthesis of β-glycosyl esters and aryl β-glycosides was developed by using latent chemical reactivity of N-acetyl-d-glucosamine (GlcNAc) oxazoline. The GlcNAc oxazoline was spontaneously reacted with carboxylic acids and phenol derivatives via the oxazoline ring opening without the use of a catalyst or heating conditions (i.e., microwave irradiation), affording the desired products in moderate to excellent yields with β-selectivity. This simple protecting-group-free method exhibits a wide substrate scope and good functional group tolerance, and it allows the efficient production of a novel class of GlcNAc-conjugated biomaterials and prodrug candidates.
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Affiliation(s)
- Yu Hamaya
- Department of Applied Bioorganic Chemistry, Gifu University, Gifu 501-1193, Japan
| | - Naoko Komura
- Institute for Glyco-core Research (iGCORE), Gifu University, Gifu 501-1193, Japan
| | - Akihiro Imamura
- Institute for Glyco-core Research (iGCORE), Gifu University, Gifu 501-1193, Japan; Department of Applied Bioorganic Chemistry, Gifu University, Gifu 501-1193, Japan
| | - Hideharu Ishida
- Institute for Glyco-core Research (iGCORE), Gifu University, Gifu 501-1193, Japan; Department of Applied Bioorganic Chemistry, Gifu University, Gifu 501-1193, Japan; Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, Gifu 501-1193, Japan
| | - Hiromune Ando
- Institute for Glyco-core Research (iGCORE), Gifu University, Gifu 501-1193, Japan.
| | - Hide-Nori Tanaka
- Institute for Glyco-core Research (iGCORE), Gifu University, Gifu 501-1193, Japan; Oceanography Section, Science Research Center, Kochi University, Kochi 783-8502, Japan.
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19
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Chantarasrivong C, Okada R, Yamane Y, Yang X, Higuchi Y, Konishi M, Komura N, Ando H, Yokokawa R, Yamashita F. Disposition of E-selectin-targeting liposomes in tumor spheroids with a perfusable vascular network. Drug Metab Pharmacokinet 2022; 47:100469. [DOI: 10.1016/j.dmpk.2022.100469] [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] [Received: 06/01/2022] [Revised: 07/05/2022] [Accepted: 07/31/2022] [Indexed: 11/25/2022]
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20
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Mabuchi S, Komura N, Kodama M, Maeda M, Matsumoto Y, Kamiura S. Significance of the Number and the Location of Metastatic Lymph Nodes in Locally Recurrent or Persistent Cervical Cancer Patients Treated with Salvage Hysterectomy plus Lymphadenectomy. Curr Oncol 2022; 29:4856-4867. [PMID: 35877245 PMCID: PMC9315867 DOI: 10.3390/curroncol29070385] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/19/2022] [Accepted: 07/04/2022] [Indexed: 12/02/2022] Open
Abstract
We retrospectively investigated the significance of metastatic lymph nodes in patients with locally recurrent or persistent cervical cancer in a previously irradiated field and subsequently had salvage hysterectomy. Clinical data were obtained from a chart review, and the prognostic impact of the presence, number (1–2 versus ≥3), and location (pelvic versus pelvic plus para-aortic) of lymph node metastasis was investigated by comparing recurrence and survival. In total, 50 patients were included in this study, of which 21 (42.0%) showed pathological evidence of lymph node metastasis (node-positive group). Both the univariate and multivariate analyses showed that lymph node metastasis was an independent prognostic factor for postoperative recurrence (hazard ratio (HR) 5.36; 95% CI 1.41–6.66; p = 0.0020). The predominant sites of recurrence after salvage surgery were the visceral organs and lymph nodes in the node-negative and node-positive groups, respectively. Patients with ≥3 node metastases showed similar survival to those with 1–2 node metastases. Patients with pelvic node metastasis showed similar survival to those with pelvic and para-aortic node metastases. The presence, not number or location, of lymph node metastasis was an independent poor prognostic factor for post-operative recurrence in patients who developed locally recurrent or persistent cervical cancer treated with salvage hysterectomy plus lymphadenectomy.
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Affiliation(s)
- Seiji Mabuchi
- Department of Gynecology, Osaka International Cancer Institute, 3-1-69, Otemae, Osaka 541-8567, Japan; (M.M.); (S.K.)
- Correspondence: ; Tel.: +81-6-6945-1181
| | - Naoko Komura
- Department of Obstetrics and Gynecology, Kaizuka City Hospital, Kaizuka 597-0015, Japan;
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita 565-0871, Japan; (M.K.); (Y.M.)
| | - Michiko Kodama
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita 565-0871, Japan; (M.K.); (Y.M.)
| | - Michihide Maeda
- Department of Gynecology, Osaka International Cancer Institute, 3-1-69, Otemae, Osaka 541-8567, Japan; (M.M.); (S.K.)
- Department of Obstetrics and Gynecology, Kaizuka City Hospital, Kaizuka 597-0015, Japan;
| | - Yuri Matsumoto
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita 565-0871, Japan; (M.K.); (Y.M.)
- Department of Obstetrics and Gynecology, Suita Tokusyukai Hospital, Suita 565-0814, Japan
| | - Shoji Kamiura
- Department of Gynecology, Osaka International Cancer Institute, 3-1-69, Otemae, Osaka 541-8567, Japan; (M.M.); (S.K.)
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21
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Araki E, Hane M, Hatanaka R, Kimura R, Tsuda K, Konishi M, Komura N, Ando H, Kitajima K, Sato C. Analysis of biochemical features of ST8 α-N-acetyl-neuraminide α2,8-sialyltransferase (St8sia) 5 isoforms. Glycoconj J 2022; 39:291-302. [PMID: 34982351 DOI: 10.1007/s10719-021-10034-8] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/24/2021] [Accepted: 12/08/2021] [Indexed: 12/11/2022]
Abstract
Gangliosides are important components of the membrane and are involved in many biological activities. St8sia5 is an α2,8-sialyltransferase involved in ganglioside synthesis, and has three isoforms. In this study, we analyzed the features of three isoforms, St8sia5-S, -M, and -L that had not been analyzed, and found that only St8sia5-L was localized in the Golgi, while the majority of St8sia5-M and -S were localized in the ER. The localization of Golgi of St8sia5 depended on the stem region. In addition, the incorporation of exogenous GD3 was upregulated only in St8sia5-L expressing cells. Taken together, the localization of St8sia5 is important for the activity of the enzyme.
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Affiliation(s)
- Erino Araki
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya, 464-8601, Japan
- Bioscience and Biotechnology Center, Nagoya University, Chikusa, Nagoya, 464-8601, Japan
| | - Masaya Hane
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya, 464-8601, Japan
- Bioscience and Biotechnology Center, Nagoya University, Chikusa, Nagoya, 464-8601, Japan
- Glyco-BioMedical Research Center (iGMED), Institute for Glyco-core Research (iGCORE), Nagoya University, Chikusa, Nagoya, 464-8601, Japan
| | - Rina Hatanaka
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya, 464-8601, Japan
- Bioscience and Biotechnology Center, Nagoya University, Chikusa, Nagoya, 464-8601, Japan
| | - Ryota Kimura
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya, 464-8601, Japan
- Bioscience and Biotechnology Center, Nagoya University, Chikusa, Nagoya, 464-8601, Japan
| | - Kana Tsuda
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya, 464-8601, Japan
- Bioscience and Biotechnology Center, Nagoya University, Chikusa, Nagoya, 464-8601, Japan
| | - Miku Konishi
- Institute for Glyco-Core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Naoko Komura
- Institute for Glyco-Core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Hiromune Ando
- Institute for Glyco-Core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Ken Kitajima
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya, 464-8601, Japan
- Bioscience and Biotechnology Center, Nagoya University, Chikusa, Nagoya, 464-8601, Japan
- Glyco-BioMedical Research Center (iGMED), Institute for Glyco-core Research (iGCORE), Nagoya University, Chikusa, Nagoya, 464-8601, Japan
| | - Chihiro Sato
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya, 464-8601, Japan.
- Bioscience and Biotechnology Center, Nagoya University, Chikusa, Nagoya, 464-8601, Japan.
- Glyco-BioMedical Research Center (iGMED), Institute for Glyco-core Research (iGCORE), Nagoya University, Chikusa, Nagoya, 464-8601, Japan.
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22
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Takahashi M, Komura N, Yoshida Y, Yamaguchi E, Hasegawa A, Tanaka HN, Imamura A, Ishida H, Suzuki KGN, Ando H. Development of lacto-series ganglioside fluorescent probe using late-stage sialylation and behavior analysis with single-molecule imaging. RSC Chem Biol 2022; 3:868-885. [PMID: 35866169 PMCID: PMC9257605 DOI: 10.1039/d2cb00083k] [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] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 05/28/2022] [Indexed: 11/21/2022] Open
Abstract
Gangliosides are a family of sialic-acid-containing glycosphingolipids that form dynamic domains (lipid rafts) with proteins in cell plasma membranes (PMs), and are involved in various biological processes. The dynamic behavior...
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Affiliation(s)
- Maina Takahashi
- The United Graduate School of Agricultural Science, Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Department of Applied Bioorganic Chemistry, Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Naoko Komura
- Institute for Glyco-core Research (iGCORE), Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Yukako Yoshida
- Department of Applied Bioorganic Chemistry, Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Eriko Yamaguchi
- Institute for Glyco-core Research (iGCORE), Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Ami Hasegawa
- Department of Applied Bioorganic Chemistry, Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Hide-Nori Tanaka
- The United Graduate School of Agricultural Science, Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Department of Applied Bioorganic Chemistry, Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Institute for Glyco-core Research (iGCORE), Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Akihiro Imamura
- The United Graduate School of Agricultural Science, Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Department of Applied Bioorganic Chemistry, Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Institute for Glyco-core Research (iGCORE), Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Hideharu Ishida
- The United Graduate School of Agricultural Science, Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Department of Applied Bioorganic Chemistry, Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Institute for Glyco-core Research (iGCORE), Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Kenichi G N Suzuki
- The United Graduate School of Agricultural Science, Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Department of Applied Bioorganic Chemistry, Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Institute for Glyco-core Research (iGCORE), Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Hiromune Ando
- The United Graduate School of Agricultural Science, Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Department of Applied Bioorganic Chemistry, Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Institute for Glyco-core Research (iGCORE), Gifu University 1-1 Yanagido Gifu 501-1193 Japan
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24
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Ozaki H, Asano T, Tanaka HN, Komura N, Ando H, Ishida H, Imamura A. Blockwise synthesis of polylactosamine fragments and keratan sulfate oligosaccharides comprised of dimeric Galβ(1 → 4)GlcNAc6Sβ. Carbohydr Res 2022; 512:108502. [DOI: 10.1016/j.carres.2022.108502] [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] [Received: 11/27/2021] [Revised: 01/12/2022] [Accepted: 01/18/2022] [Indexed: 11/02/2022]
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25
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Fukuo H, Suzuki T, Shimabukuro J, Komura N, Tanaka H, Imamura A, Ishida H, Ando H. Synthesis of Diverse Seleno‐Glycolipids
via
the Transacetalization of Selenoacetals. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100847] [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: 11/10/2022]
Affiliation(s)
- Hayata Fukuo
- Department of Applied Bioorganic Chemistry Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Tatsuya Suzuki
- Department of Applied Bioorganic Chemistry Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Current address: Faculty of Pharmaceutical Sciences Aomori University 2-3-1 Koubata Aomori-shi Aomori 030-0943 Japan
| | - Junpei Shimabukuro
- Department of Applied Bioorganic Chemistry Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Naoko Komura
- Institute for Glyco-core Research (iGCORE) Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Hide‐Nori Tanaka
- Institute for Glyco-core Research (iGCORE) Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Akihiro Imamura
- Department of Applied Bioorganic Chemistry Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Institute for Glyco-core Research (iGCORE) Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Hideharu Ishida
- Department of Applied Bioorganic Chemistry Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Institute for Glyco-core Research (iGCORE) Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN) Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Hiromune Ando
- Institute for Glyco-core Research (iGCORE) Gifu University 1-1 Yanagido Gifu 501-1193 Japan
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26
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Fukuo H, Suzuki T, Shimabukuro J, Komura N, Tanaka H, Imamura A, Ishida H, Ando H. Front Cover: Synthesis of Diverse Seleno‐Glycolipids
via
the Transacetalization of Selenoacetals (Eur. J. Org. Chem. 40/2021). European J Org Chem 2021. [DOI: 10.1002/ejoc.202101260] [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: 11/06/2022]
Affiliation(s)
- Hayata Fukuo
- Department of Applied Bioorganic Chemistry Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Tatsuya Suzuki
- Department of Applied Bioorganic Chemistry Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Current address: Faculty of Pharmaceutical Sciences Aomori University 2-3-1 Koubata Aomori-shi Aomori 030-0943 Japan
| | - Junpei Shimabukuro
- Department of Applied Bioorganic Chemistry Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Naoko Komura
- Institute for Glyco-core Research (iGCORE) Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Hide‐Nori Tanaka
- Institute for Glyco-core Research (iGCORE) Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Akihiro Imamura
- Department of Applied Bioorganic Chemistry Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Institute for Glyco-core Research (iGCORE) Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Hideharu Ishida
- Department of Applied Bioorganic Chemistry Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Institute for Glyco-core Research (iGCORE) Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN) Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Hiromune Ando
- Institute for Glyco-core Research (iGCORE) Gifu University 1-1 Yanagido Gifu 501-1193 Japan
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27
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Komura N, Mabuchi S, Sawada K, Nishio Y, Kimura T, Komura H. Subsequent menstrual disorder after spontaneous menarche in Turner syndrome. Clin Endocrinol (Oxf) 2021; 95:163-168. [PMID: 33617655 DOI: 10.1111/cen.14449] [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: 10/27/2020] [Revised: 02/07/2021] [Accepted: 02/09/2021] [Indexed: 01/15/2023]
Abstract
OBJECTIVE Turner syndrome (TS) is a congenital disease characterized by delayed puberty, ovarian dysgenesis and short stature. Although most patients are diagnosed with primary amenorrhea, approximately 15-20% of patients with TS are reported to have spontaneous menarche. However, little is known about their menstruation status after spontaneous menarche. In the current study, we investigated the menstrual abnormalities after spontaneous menarche in TS patients. DESIGN Retrospective study. PATIENTS This study included TS patients with spontaneous menarche at Osaka Police Hospital or Komura Women's Clinic between April 2015 and December 2019. MEASUREMENTS Data regarding the age of menarche, menstruation status and chromosomal karyotype were collected and retrospectively analyzed. RESULTS Of 172 TS patients, 32 with spontaneous menarche were identified. The median age of menarche was 12 years old. Premature ovarian insufficiency (POI) after menarche was observed in 12 patients (37.5%) and the median age at menopause was 20 years old. The average period from spontaneous menarche to menopause in these patients was 5.1 years. Five patients (15.6%) had irregular menstruation and 15 (46.9%) had regular menstruation. When examined according to the structural abnormality of the X chromosome, all patients with structural abnormality of the X chromosome were diagnosed with POI after spontaneous menarche, and none with mosaic without structural abnormality were diagnosed with POI. CONCLUSION Approximately one-third of TS patients with spontaneous menarche were diagnosed with POI after menarche for an average of 5.1 years. Counseling is required for TS patients and their parents, including information about menstrual abnormalities or fertility preservation.
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Affiliation(s)
- Naoko Komura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
- Komura Women's Clinic, Osaka, Japan
| | - Seiji Mabuchi
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
- Department of Obstetrics and Gynecology, Nara Medical University, Kashihara, Japan
| | - Kenjiro Sawada
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yukihiro Nishio
- Department of Obstetrics and Gynecology, Osaka Police Hospital, Osaka, Japan
| | - Tadashi Kimura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
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28
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Vibhute AM, Komura N, Tanaka HN, Imamura A, Ando H. Advanced Chemical Methods for Stereoselective Sialylation and Their Applications in Sialoglycan Syntheses. CHEM REC 2021; 21:3194-3223. [PMID: 34028159 DOI: 10.1002/tcr.202100080] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 04/26/2021] [Accepted: 05/03/2021] [Indexed: 12/18/2022]
Abstract
Sialic acid is an important component of cell surface glycans, which are responsible for many vital body functions and should therefore be thoroughly studied to understand their biological roles and association with disorders. The difficulty of isolating large quantities of homogenous-state sialoglycans from natural sources has inspired the development of the corresponding chemical synthesis methods affording acceptable purities, yields, and amounts. However, the related syntheses are challenging because of the difficulties in α-glycosylation of sialic acid, which arises from its certain structural features such as the absence of a stereodirecting group at the C3 position and presence of carboxyl group at the anomeric position. Moreover, the structural complexities of sialoglycans with diverse numbers and locations of sialic acid on the glycan chains pose additional barriers. Thus, efficient α-stereoselective routes to sialosides remain highly sought after, although various types of sialyl donors/acceptors have been developed for the straightforward synthesis of α-sialosides. Herein, we review the latest progress in the α-stereoselective synthesis of sialosides and their applications in the preparation of gangliosides and other sialoglycans.
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Affiliation(s)
- Amol M Vibhute
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu-shi, Gifu, 501-1193, Japan
| | - Naoko Komura
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu-shi, Gifu, 501-1193, Japan
| | - Hide-Nori Tanaka
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu-shi, Gifu, 501-1193, Japan
| | - Akihiro Imamura
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu-shi, Gifu, 501-1193, Japan.,Department of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu-shi, Gifu, 501-1193, Japan
| | - Hiromune Ando
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu-shi, Gifu, 501-1193, Japan
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29
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Okamura M, Konishi M, Saigusa Y, Ando S, Nakayama M, Komura N, Sugano T, Tamaura K, Nakamura T. Impact of grip strength and balance function on the exercise capacity in pulmonary hypertension. Eur J Prev Cardiol 2021. [DOI: 10.1093/eurjpc/zwab061.125] [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]
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
【Background】
Patients with pulmonary hypertension (PH) suffer from poor exercise capacity due to impaired oxygenation or reduced cardiac output. However, the relationship between exercise capacity and physical functions remains unclear.
【Purpose】
The purpose of this study is to investigate the relationship between exercise capacity and physical functions in pulmonary hypertension.
【Methods】
From February 2018 to June 2020, 94 patients (61.3 ± 14.7 years old, 69.1% females) with group 1/3/4/5 PH underwent cardiac catheterization, 6-minute walking distance (6MWD), and physical function measurements simultaneously. The physical functions was measured using muscle strength (grip strength, knee extension muscle strength), balance function (one leg standing time), and short physical performance battery (SPPB). Exercise capacity was measured by 6MWD.
【Results】
The study cohort consists of 22/8/60/4 (23.4%/8.5%/63.8%/4.3%) patients with group 1/3/4/5 PH, respectively. The average age of each group was 50.7/64.7/63.1/66.0 years old, respectively. A total of 194 measurements of physical functions were evaluated from 94 patients and employed in multivariate logistic regression analysis using adaptive-LASSO methods with the 6MWD (476.2 ± 107.5m) as a dependent variable. WHO functional class (class II: standardized β=-0.35, 95% confidence interval (CI) [-0.54 - -0.16], p < 0.001), class III: β=-0.60, 95%CI [-0.90 - -0.30], p < 0.001), mixed venous oxygen saturation (SvO2: β=0.11, 95%CI [0.03 - 0.19], p = 0.008), pulmonary vascular resistance (PVR: β=-0.16, 95%CI [-0.25 - -0.07], p < 0.001), grip strength (β=0.20, 95%CI [0.09 - 0.31], p < 0.001), one leg standing time (β=0.10, 95%CI [0.00 - 0.20], p = 0.049) , and 4m gait speed test (β=-0.28, 95%CI [-0.36 - -0.19], p < 0.001) were associated with 6MWD.
【Conclusions】
Grip strength and balance function, as well as SvO2 and PVR, were associated with the exercise capacity in pulmonary hypertension.
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Affiliation(s)
- M Okamura
- Yokohama City University Hospital, Department of Rehabilitation, Yokohama, Japan
| | - M Konishi
- Yokohama City University School of Medicine, Department of Medical Science and Cardiorenal Medicine, Yokohama, Japan
| | - Y Saigusa
- Yokohama City University School of Medicine, Department of Biostatistics, Yokohama, Japan
| | - S Ando
- Tokyo University of Science Faculty of Engineering, Department of Information and Computer Technology, Tokyo, Japan
| | - M Nakayama
- Yokohama City University School of Medicine, Department of Medical Science and Cardiorenal Medicine, Yokohama, Japan
| | - N Komura
- Yokohama City University School of Medicine, Department of Medical Science and Cardiorenal Medicine, Yokohama, Japan
| | - T Sugano
- Yokohama City University School of Medicine, Department of Medical Science and Cardiorenal Medicine, Yokohama, Japan
| | - K Tamaura
- Yokohama City University School of Medicine, Department of Medical Science and Cardiorenal Medicine, Yokohama, Japan
| | - T Nakamura
- Yokohama City University School of Medicine, Department of Rehabilitation Medicine, Yokohama, Japan
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Nakano M, Hanashima S, Hara T, Kabayama K, Asahina Y, Hojo H, Komura N, Ando H, Nyholm TKM, Slotte JP, Murata M. FRET detects lateral interaction between transmembrane domain of EGF receptor and ganglioside GM3 in lipid bilayers. Biochim Biophys Acta Biomembr 2021; 1863:183623. [PMID: 33933428 DOI: 10.1016/j.bbamem.2021.183623] [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] [MESH Headings] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 04/03/2021] [Accepted: 04/05/2021] [Indexed: 12/16/2022]
Abstract
Ganglioside GM3 in the plasma membranes suppresses cell growth by preventing the autophosphorylation of the epidermal growth factor receptor (EGFR). Biological studies have suggested that GM3 interacts with the transmembrane segment of EGFR. Further biophysical experiments are particularly important for quantitative evaluation of the peptide-glycolipid interplay in bilayer membranes using a simple reconstituted system. To examine these interactions in this way, we synthesized the transmembrane segment of EGFR bearing a nitrobenzoxadiazole fluorophore (NBD-TM) at the N-terminus. The affinity between EGFR and GM3 was evaluated based on Förster resonance energy transfer (FRET) between NBD-TM and ATTO594-labeled GM3 in bilayers where their non-specific interaction due to lateral proximity was subtracted by using NBD-labeled phospholipid. This method for selectively detecting the specific lipid-peptide interactions in model lipid bilayers disclosed that the lateral interaction between GM3 and the transmembrane segment of EGFR plays a certain role in disturbing the formation of active EGFR dimers.
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Affiliation(s)
- Mikito Nakano
- Department of Chemistry, Graduate School of Science, Osaka University, 1-1 Machikaneyama-cho, Toyonaka, Osaka 560-0043, Japan
| | - Shinya Hanashima
- Department of Chemistry, Graduate School of Science, Osaka University, 1-1 Machikaneyama-cho, Toyonaka, Osaka 560-0043, Japan.
| | - Toshiaki Hara
- Department of Chemistry, Graduate School of Science, Osaka University, 1-1 Machikaneyama-cho, Toyonaka, Osaka 560-0043, Japan; ERATO, Lipid Active Structure Project, Japan Science and Technology Agency, Graduate School of Science, Osaka University, Osaka 560-0043, Japan
| | - Kazuya Kabayama
- Department of Chemistry, Graduate School of Science, Osaka University, 1-1 Machikaneyama-cho, Toyonaka, Osaka 560-0043, Japan
| | - Yuya Asahina
- Institute for Protein Research, Osaka University, Yamadaoka 3-2, Suita 565-0871, Japan
| | - Hironobu Hojo
- Institute for Protein Research, Osaka University, Yamadaoka 3-2, Suita 565-0871, Japan
| | - Naoko Komura
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, Gifu 501-1193, Japan; Institute for Glyco-core Research (iGCORE), Gifu University, Gifu 501-1193, Japan
| | - Hiromune Ando
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, Gifu 501-1193, Japan; Institute for Glyco-core Research (iGCORE), Gifu University, Gifu 501-1193, Japan
| | - Thomas K M Nyholm
- Biochemistry, Faculty of Science and Engineering, Åbo Akademi University, 20520 Turku, Finland
| | - J Peter Slotte
- Biochemistry, Faculty of Science and Engineering, Åbo Akademi University, 20520 Turku, Finland
| | - Michio Murata
- Department of Chemistry, Graduate School of Science, Osaka University, 1-1 Machikaneyama-cho, Toyonaka, Osaka 560-0043, Japan; ERATO, Lipid Active Structure Project, Japan Science and Technology Agency, Graduate School of Science, Osaka University, Osaka 560-0043, Japan.
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31
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Kusumi A, Fujiwara TK, Tsunoyama TA, Kasai RS, Liu AA, Hirosawa KM, Kinoshita M, Matsumori N, Komura N, Ando H, Suzuki KGN. Defining raft domains in the plasma membrane. Traffic 2021; 21:106-137. [PMID: 31760668 DOI: 10.1111/tra.12718] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [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: 09/25/2019] [Revised: 11/19/2019] [Accepted: 11/20/2019] [Indexed: 01/03/2023]
Abstract
Many plasma membrane (PM) functions depend on the cholesterol concentration in the PM in strikingly nonlinear, cooperative ways: fully functional in the presence of physiological cholesterol levels (35~45 mol%), and nonfunctional below 25 mol% cholesterol; namely, still in the presence of high concentrations of cholesterol. This suggests the involvement of cholesterol-based complexes/domains formed cooperatively. In this review, by examining the results obtained by using fluorescent lipid analogs and avoiding the trap of circular logic, often found in the raft literature, we point out the fundamental similarities of liquid-ordered (Lo)-phase domains in giant unilamellar vesicles, Lo-phase-like domains formed at lower temperatures in giant PM vesicles, and detergent-resistant membranes: these domains are formed by cooperative interactions of cholesterol, saturated acyl chains, and unsaturated acyl chains, in the presence of >25 mol% cholesterol. The literature contains evidence, indicating that the domains formed by the same basic cooperative molecular interactions exist and play essential roles in signal transduction in the PM. Therefore, as a working definition, we propose that raft domains in the PM are liquid-like molecular complexes/domains formed by cooperative interactions of cholesterol with saturated acyl chains as well as unsaturated acyl chains, due to saturated acyl chains' weak multiple accommodating interactions with cholesterol and cholesterol's low miscibility with unsaturated acyl chains and TM proteins. Molecules move within raft domains and exchange with those in the bulk PM. We provide a logically established collection of fluorescent lipid probes that preferentially partition into raft and non-raft domains, as defined here, in the PM.
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Affiliation(s)
- Akihiro Kusumi
- Membrane Cooperativity Unit, Okinawa Institute of Science and Technology Graduate University (OIST), Okinawa, Japan.,Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Kyoto University, Kyoto, Japan
| | - Takahiro K Fujiwara
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Kyoto University, Kyoto, Japan
| | - Taka A Tsunoyama
- Membrane Cooperativity Unit, Okinawa Institute of Science and Technology Graduate University (OIST), Okinawa, Japan
| | - Rinshi S Kasai
- Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - An-An Liu
- Tianjin Key Laboratory of Biosensing and Molecular Recognition, Research Center for Analytical Sciences, College of Chemistry, Nankai University, Tianjin, P. R. China
| | - Koichiro M Hirosawa
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, Gifu, Japan
| | - Masanao Kinoshita
- Department of Chemistry, Faculty of Science, Kyushu University, Fukuoka, Japan
| | - Nobuaki Matsumori
- Department of Chemistry, Faculty of Science, Kyushu University, Fukuoka, Japan
| | - Naoko Komura
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, Gifu, Japan
| | - Hiromune Ando
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, Gifu, Japan
| | - Kenichi G N Suzuki
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, Gifu, Japan
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32
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Shimura K, Mabuchi S, Komura N, Yokoi E, Kozasa K, Sasano T, Kawano M, Matsumoto Y, Watabe T, Kodama M, Hashimoto K, Sawada K, Hatazawa J, Kimura T. Prognostic significance of bone marrow FDG uptake in patients with gynecological cancer. Sci Rep 2021; 11:2257. [PMID: 33500424 PMCID: PMC7838412 DOI: 10.1038/s41598-021-81298-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 10/21/2020] [Indexed: 12/17/2022] Open
Abstract
We investigated the prognostic significance and the underlying mechanism of increased bone marrow (BM) 2-(18F) fluoro-2-deoxy-D-glucose as a tracer (FDG)-uptake in patients with gynecological cancer. A list of patients diagnosed with cervical, endometrial, and ovarian cancer from January 2008 to December 2014 were identified. Then, through chart reviews, 559 patients who underwent staging by FDG-positron emission tomography (PET)/computed tomography (CT) and subsequent surgical resection were identified, and their clinical data were reviewed retrospectively. BM FDG-uptake was evaluated using maximum standardized uptake value (SUVmax) and BM-to-aorta uptake ratio (BAR). As a result, we have found that increased BAR was observed in 20 (8.7%), 21 (13.0%), 21 (12.6%) of cervical, endometrial, and ovarian cancer, respectively, and was associated with significantly shorter survival. Increased BAR was also closely associated with increased granulopoiesis. In vitro and in vivo experiments revealed that tumor-derived granulocyte colony-stimulating factor (G-CSF) was involved in the underlying causative mechanism of increased BM FDG-uptake, and that immune suppression mediated by G-CSF-induced myeloid-derived suppressor cells (MDSCs) is responsible for the poor prognosis of this type of cancer. In conclusion, increased BM FDG-uptake, as represented by increased BAR, is an indicator of poor prognosis in patients with gynecological cancer.
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Affiliation(s)
- Kotaro Shimura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Seiji Mabuchi
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan.
- Department of Obstetrics and Gynecology, Nara Medical University, Kashihara, Nara, 634-8522, Japan.
| | - Naoko Komura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Eriko Yokoi
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Katsumi Kozasa
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Tomoyuki Sasano
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, 77030, USA
| | - Mahiru Kawano
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Yuri Matsumoto
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Tadashi Watabe
- Department of Nuclear Medicine and Tracer Kinetics, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Michiko Kodama
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Kae Hashimoto
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Kenjiro Sawada
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Jun Hatazawa
- Department of Nuclear Medicine and Tracer Kinetics, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Tadashi Kimura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
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33
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Komura N. Identification and Control of Glycolipid–protein Interactions by Photoresponsive Probes. TRENDS GLYCOSCI GLYC 2021. [DOI: 10.4052/tigg.2032.6j] [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: 11/20/2022]
Affiliation(s)
- Naoko Komura
- Institute for Glyco-core Research (iGCORE), Gifu University
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34
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Komura N. Identification and Control of Glycolipid–protein Interactions by Photoresponsive Probes. TRENDS GLYCOSCI GLYC 2021. [DOI: 10.4052/tigg.2032.6e] [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: 11/20/2022]
Affiliation(s)
- Naoko Komura
- Institute for Glyco-core Research (iGCORE), Gifu University
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35
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Nakato M, Shiranaga N, Tomioka M, Watanabe H, Kurisu J, Kengaku M, Komura N, Ando H, Kimura Y, Kioka N, Ueda K. ABCA13 dysfunction associated with psychiatric disorders causes impaired cholesterol trafficking. J Biol Chem 2021; 296:100166. [PMID: 33478937 PMCID: PMC7948424 DOI: 10.1074/jbc.ra120.015997] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 12/03/2020] [Accepted: 12/08/2020] [Indexed: 01/22/2023] Open
Abstract
ATP-binding cassette subfamily A member 13 (ABCA13) is predicted to be the largest ABC protein, consisting of 5058 amino acids and a long N-terminal region. Mutations in the ABCA13 gene were reported to increase the susceptibility to schizophrenia, bipolar disorder, and major depression. However, little is known about the molecular functions of ABCA13 or how they associate with psychiatric disorders. Here, we examined the biochemical activity of ABCA13 using HEK293 cells transfected with mouse ABCA13. The expression of ABCA13 induced the internalization of cholesterol and gangliosides from the plasma membrane to intracellular vesicles. Cholesterol internalization by ABCA13 required the long N-terminal region and ATP hydrolysis. To examine the physiological roles of ABCA13, we generated Abca13 KO mice using CRISPR/Cas and found that these mice exhibited deficits of prepulse inhibition. Vesicular cholesterol accumulation and synaptic vesicle endocytosis were impaired in primary cultures of Abca13 KO cortical neurons. Furthermore, mutations in ABCA13 gene associated with psychiatric disorders disrupted the protein's subcellular localization and impaired cholesterol trafficking. These findings suggest that ABCA13 accelerates cholesterol internalization by endocytic retrograde transport in neurons and that loss of this function is associated with the pathophysiology of psychiatric disorders.
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Affiliation(s)
- Mitsuhiro Nakato
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan.
| | - Naoko Shiranaga
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - Maiko Tomioka
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - Hitomi Watanabe
- Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Junko Kurisu
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Kyoto University, Kyoto, Japan
| | - Mineko Kengaku
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Kyoto University, Kyoto, Japan
| | - Naoko Komura
- Institute for Glyco-core Research (iGCORE), Gifu University, Gifu, Japan; Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, Gifu, Japan
| | - Hiromune Ando
- Institute for Glyco-core Research (iGCORE), Gifu University, Gifu, Japan; Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, Gifu, Japan
| | - Yasuhisa Kimura
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - Noriyuki Kioka
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - Kazumitsu Ueda
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Kyoto University, Kyoto, Japan.
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36
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Yagami N, Vibhute AM, Tanaka HN, Komura N, Imamura A, Ishida H, Ando H. Stereoselective Synthesis of Diglycosyl Diacylglycerols with Glycosyl Donors Bearing a β-Stereodirecting 2,3-Naphthalenedimethyl Protecting Group. J Org Chem 2020; 85:16166-16181. [PMID: 33253577 DOI: 10.1021/acs.joc.0c02121] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Diglycosyl diacylglycerols (DGDGs) are major components of Gram-positive bacterial plasma membranes and are involved in the immune response systems. The chemical synthesis of DGDGs has been highly demanded, as it will allow the elucidation of their biological functions at the molecular level. In this study, we have developed a novel β-stereodirecting 2,3-naphthalenedimethyl (NapDM) protecting group that is orthogonal to protecting groups commonly used in oligosaccharide synthesis. The NapDM group can be easily cleaved under TFA-mediated acidic conditions. Futhermore, we demonstrated the application of this protecting group to an acyl protecting-group-free strategy by utilizing the NapDM group for the synthesis of DGDGs. This strategy features the use of the β-stereodirecting NapDM group as an acid-cleavable permanent protecting group and late-stage glycosylation of monoglycosyl diacylglycerol acceptors, enabling the stereoselective synthesis of three different bacterial DGDGs with unsaturated fatty acid chain(s).
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Affiliation(s)
- Nahoko Yagami
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Amol M Vibhute
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Hide-Nori Tanaka
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.,Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Naoko Komura
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.,Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Akihiro Imamura
- Department of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Hideharu Ishida
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.,Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.,Department of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Hiromune Ando
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.,Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
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37
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Kozasa K, Takemoto Y, Goto T, Kobayashi M, Sakaguchi H, Fujiwara S, Ichikawa F, Kuroda M, Komura N, Tanaka A, Masuda K, Otsuka H, Yokoi T. Two cases of giant peritoneal inclusion cysts requiring treatment after total laparoscopic hysterectomy. J Surg Case Rep 2020; 2020:rjaa506. [PMID: 33365120 PMCID: PMC7748126 DOI: 10.1093/jscr/rjaa506] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/02/2020] [Accepted: 12/10/2020] [Indexed: 11/24/2022] Open
Abstract
Peritoneal inclusion cysts (PICs) often develop in post-operative patients. Since the incidence of adhesions is lower with laparoscopic surgery than with open surgery, PICs are less likely to occur in the former. Although post-operative adhesions or PICs rarely develop after laparoscopic surgery (such as total laparoscopic hysterectomy: TLH), we encountered two cases of giant PICs with abdominal pain after TLH. In Case 1, strong adhesion was already present when TLH was performed. Therefore, this case may have been predisposed to the development of adhesions in the abdominal cavity. However, no adhesions were observed during TLH in case 2, and there were no risk factors, such as pre-operative adhesions and endometriosis. Therefore, adhesions and PICs may develop even after TLH, and approaches need to be considered for their prevention.
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Affiliation(s)
- Katsumi Kozasa
- Department of Obstetrics and Gynecology, Kaizuka City Hospital, Osaka, Japan
| | - Yuki Takemoto
- Department of Obstetrics and Gynecology, Kaizuka City Hospital, Osaka, Japan
| | - Takeshi Goto
- Department of Obstetrics and Gynecology, Kaizuka City Hospital, Osaka, Japan
| | - Mariya Kobayashi
- Department of Obstetrics and Gynecology, Osaka University, Osaka, Japan
| | - Hitomi Sakaguchi
- Department of Obstetrics and Gynecology, Osaka University, Osaka, Japan
| | - Sho Fujiwara
- Department of Obstetrics and Gynecology, Kaizuka City Hospital, Osaka, Japan
| | - Fuyuki Ichikawa
- Department of Obstetrics and Gynecology, Kaizuka City Hospital, Osaka, Japan
| | - Misako Kuroda
- Department of Obstetrics and Gynecology, Kaizuka City Hospital, Osaka, Japan
| | - Naoko Komura
- Department of Obstetrics and Gynecology, Kaizuka City Hospital, Osaka, Japan
| | - Asuka Tanaka
- Department of Obstetrics and Gynecology, Kaizuka City Hospital, Osaka, Japan
| | - Kumi Masuda
- Department of Obstetrics and Gynecology, Kaizuka City Hospital, Osaka, Japan
| | - Hirofumi Otsuka
- Department of Obstetrics and Gynecology, Kaizuka City Hospital, Osaka, Japan
| | - Takeshi Yokoi
- Department of Obstetrics and Gynecology, Kaizuka City Hospital, Osaka, Japan
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38
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Konishi M, Komura N, Hirose Y, Suganuma Y, Tanaka HN, Imamura A, Ishida H, Suzuki KGN, Ando H. Development of Fluorescent Ganglioside GD3 and GQ1b Analogs for Elucidation of Raft-Associated Interactions. J Org Chem 2020; 85:15998-16013. [DOI: 10.1021/acs.joc.0c01493] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Miku Konishi
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Naoko Komura
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Yuya Hirose
- Department of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Yuki Suganuma
- Department of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Hide-Nori Tanaka
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Akihiro Imamura
- Department of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Hideharu Ishida
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- Department of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Kenichi G. N. Suzuki
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Hiromune Ando
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
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39
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Yokoi E, Mabuchi S, Komura N, Shimura K, Matsumoto Y, Kimura T. Incorporation of pretreatment leukocytosis and thrombocytosis into the FIGO staging system for prognosis in surgically treated endometrial cancer. Int J Gynaecol Obstet 2020; 151:272-278. [PMID: 32712993 DOI: 10.1002/ijgo.13327] [Citation(s) in RCA: 2] [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: 03/12/2020] [Revised: 06/11/2020] [Accepted: 07/20/2020] [Indexed: 02/04/2023]
Abstract
OBJECTIVE To investigate the impact of incorporating pretreatment leukocytosis and/or thrombocytosis in the FIGO staging system on prognostic prediction among women with surgically treated endometrial cancer. METHODS Retrospective review of clinical data from 900 women with endometrial cancer treated at Osaka University Hospital, Japan, between 2000 and 2016. The effect of concurrent leukocytosis and thrombocytosis on the prediction of recurrence and survival outcomes was evaluated via receiver operating characteristic (ROC) curve analysis and the Kaplan-Meier method. RESULTS Among 678 women with Stage I-III disease, pretreatment leukocytosis or thrombocytosis alone were not prognostic indicators, but concurrent pretreatment leukocytosis and thrombocytosis was associated with significantly shorter survival (PFS, P<0.001; OS, P=0.004). In contrast, pretreatment leukocytosis, pretreatment thrombocytosis, and concurrent pretreatment leukocytosis and thrombocytosis did not provide any prognostic information for women with Stage IV disease. In ROC curve analysis, incorporation of concurrent pretreatment leukocytosis and thrombocytosis into the FIGO staging system resulted in a higher area under the curve for predicting recurrence for women with Stages I-III disease (0.770 vs 0.755; P=0.045). CONCLUSION Incorporating concurrent pretreatment leukocytosis and thrombocytosis into the FIGO staging system might improve predictive performance and allow additional risk stratification for women with Stage I-III endometrial cancer.
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Affiliation(s)
- Eriko Yokoi
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Seiji Mabuchi
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan.,Department of Obstetrics and Gynecology, Nara Medical University, Kashihara, Nara, Japan
| | - Naoko Komura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Kotaro Shimura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yuri Matsumoto
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Tadashi Kimura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
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40
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Komura N, Mabuchi S, Shimura K, Kawano M, Matsumoto Y, Kimura T. Significance of Pretreatment C-Reactive Protein, Albumin, and C-Reactive Protein to Albumin Ratio in Predicting Poor Prognosis in Epithelial Ovarian Cancer Patients. Nutr Cancer 2020; 73:1357-1364. [PMID: 32835520 DOI: 10.1080/01635581.2020.1798479] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
To investigate the prognostic significance of pretreatment C-reactive protein (CRP), albumin, and the CRP to albumin ratio (CRP/Alb) in epithelial ovarian cancer (EOC) patients. Clinical data from 308 EOC patients between April 2007 and March 2016 were collected and retrospectively reviewed. The cutoff values for CRP, albumin, and CRP/Alb were defined by receiver operating characteristics (ROC) analyses. Univariate or multivariate analysis was conducted to evaluate the prognostic significance of these factors for disease-specific survival. The cutoff values for CRP, albumin, and CRP/Alb were 0.76, 3.8, and 0.048 by ROC analysis, respectively. Cox regression analyses demonstrated that an elevated CRP/Alb is an independent predictor of short disease-specific survival irrespective of clinical stage or optimal surgery rate. When examined according to clinical stage, elevated CRP/Alb was associated with short disease-specific survival in both early-stage and advanced-stage patients. Cox regression analyses demonstrated that an elevated CRP, but not lower albumin, is also an independent predictor of short disease-specific survival. When two prognosticators were compared, CRP/Alb was found to be superior to CRP for predicting disease-specific survival in EOC patients. Pretreatment elevated CRP/Alb is a predictor of shorter survival in EOC patients regardless of clinical stage.
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Affiliation(s)
- Naoko Komura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Seiji Mabuchi
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Kotaro Shimura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Mahiru Kawano
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Yuri Matsumoto
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Tadashi Kimura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
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Tomida H, Matsuhashi T, Tanaka HN, Komura N, Ando H, Imamura A, Ishida H. Indirect synthetic route to α-l-fucosides via highly stereoselective construction of α-l-galactosides followed by C6-deoxygenation. Org Biomol Chem 2020; 18:5017-5033. [PMID: 32573638 DOI: 10.1039/d0ob01128b] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We developed an indirect synthetic method for α-l-fucosides. Based on the fact that l-fucose is 6-deoxy-l-galactose, our strategy consists of the stereoselective construction of α-l-galactoside and its conversion to α-l-fucoside via C6-deoxygenation. The formation of α-l-galactoside is strongly directed using 4,6-O-di-tert-butylsilylene(DTBS)-protected l-galactosyl donors. The DTBS-directed α-l-galactosylation showed broad substrate applicability along with excellent coupling yield and α-selectivity. In the C6-deoxygenation of α-l-galactosides, the Barton-McCombie reaction facilitated the conversion to l-fucosides with good yield. To demonstrate the applicability of our method, we synthesized naturally occurring α-l-fucosides.
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Affiliation(s)
- Hirotaka Tomida
- Department of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.
| | - Takuya Matsuhashi
- Department of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.
| | - Hide-Nori Tanaka
- Institute for Glyco-core Research (iGCORE), Tokai National Higher Education and Research System, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan and Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Naoko Komura
- Institute for Glyco-core Research (iGCORE), Tokai National Higher Education and Research System, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan and Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Hiromune Ando
- Institute for Glyco-core Research (iGCORE), Tokai National Higher Education and Research System, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan and Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Akihiro Imamura
- Department of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.
| | - Hideharu Ishida
- Department of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan. and Institute for Glyco-core Research (iGCORE), Tokai National Higher Education and Research System, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan and Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
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Nobeyama T, Shigyou K, Nakatsuji H, Sugiyama H, Komura N, Ando H, Hamada T, Murakami T. Control of Lipid Bilayer Phases of Cell-Sized Liposomes by Surface-Engineered Plasmonic Nanoparticles. Langmuir 2020; 36:7741-7746. [PMID: 32502354 DOI: 10.1021/acs.langmuir.0c00049] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Liquid-ordered (Lo)-phase domains, a cholesterol-rich area on lipid bilayers, have attracted significant attention recently because of their relevance to lipid rafts, the formation/collapse of which is associated with various kinds of information exchange through the plasma membrane. Here, we demonstrate that the formation/collapse of Lo-phase domains in cell-sized liposomes, that is, giant unilamellar vesicles (GUVs), can be controlled with bioactive plasmonic nanoparticles and light. The nanoparticles were prepared by surface modification of gold nanorods (AuNRs) using a cationized mutant of high-density lipoprotein (HDL), which is a natural cholesterol transporter. Upon the addition of surface-engineered AuNRs to GUVs with the mixed domains of Lo and liquid-disorder (Ld) phases, the Lo domains collapsed and solid-ordered (So)-phase domains were formed. The reverse phase transition was achieved photothermally, with the AuNRs loaded with cholesterol. During these transitions, the AuNRs appeared to be selectively localized on the less fluidic domain (Lo or So) in the phase-mixed GUVs. These results indicate that the phase transitions occur through the membrane binding of the AuNRs followed by spontaneous/photothermal transfer of cholesterol between the AuNRs and GUVs. Our strategy to develop bioactive AuNRs potentially enables spatiotemporal control of the formation/collapse of lipid rafts in living cells.
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Affiliation(s)
- Tomohiro Nobeyama
- Graduate School of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
| | - Kazuki Shigyou
- Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Hirotaka Nakatsuji
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Osaka 565-0871, Japan
| | - Hiroshi Sugiyama
- Department of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan
- Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University Institute of Advanced Study (KUIAS), Kyoto University, Yoshida-Honmachi, Sakyo-ku, Kyoto 606-8501, Japan
| | - Naoko Komura
- Institute for Glyco-core Research (iGCORE), Tokai National Higher Education and Research System, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Hiromune Ando
- Institute for Glyco-core Research (iGCORE), Tokai National Higher Education and Research System, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Tsutomu Hamada
- School of Material Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Tatsuya Murakami
- Graduate School of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
- Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University Institute of Advanced Study (KUIAS), Kyoto University, Yoshida-Honmachi, Sakyo-ku, Kyoto 606-8501, Japan
- Department of Pharmaceutical Engineering, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0393, Japan
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Komura N, Mabuchi S, Shimura K, Yokoi E, Kozasa K, Kuroda H, Takahashi R, Sasano T, Kawano M, Matsumoto Y, Kodama M, Hashimoto K, Sawada K, Kimura T. The role of myeloid-derived suppressor cells in increasing cancer stem-like cells and promoting PD-L1 expression in epithelial ovarian cancer. Cancer Immunol Immunother 2020; 69:2477-2499. [PMID: 32561967 DOI: 10.1007/s00262-020-02628-2] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [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: 01/27/2020] [Accepted: 05/28/2020] [Indexed: 02/07/2023]
Abstract
The aim of this study was to investigate the role of myeloid-derived suppressor cells (MDSC) in the induction of cancer stem-like cells (CSC) and programmed death ligand 1 (PD-L1) expression in ovarian cancer. CSC were defined as tumor cells expressing high levels of aldehyde dehydrogenase 1 (ALDH 1). We inoculated G-CSF-expressing or Mock-expressing ovarian cancer cells into mice, and the frequencies of MDSC and CSC in tumors of these models were compared by flow cytometry. To directly demonstrate the role of MDSC in the induction of CSC and the increase in PD-L1 expression, we performed in vitro co-culture. MDSC and CSC (ALDH-high cells) were more frequently observed in G-CSF-expressing cell-derived tumors than in Mock-expressing cell-derived tumors. Co-culture experiments revealed that MDSC increased the number of CSC via the production of PGE2. Moreover, PGE2 produced by MDSC increased tumor PD-L1 expression via the mammalian target of rapamycin (mTOR) pathway in ovarian cancer cells. In an in vitro experiment in which ovarian cancer cells were co-cultured with MDSC, higher expression of PD-L1 was observed in CSC than in non-CSC (ALDH-low cells). Furthermore, by immunofluorescence staining, we found that PD-L1 was co-expressed with ALDH1 in in vivo mouse models. In conclusion, PGE2 produced by MDSC increases the stem cell-like properties and tumor PD-L1 expression in epithelial ovarian cancer. Depleting MDSC may be therapeutically effective against ovarian cancer by reducing the number of CSC and tumor PD-L1 expression.
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Affiliation(s)
- Naoko Komura
- Departments of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Seiji Mabuchi
- Departments of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan. .,Department of Obstetrics and Gynecology, Nara Medical University, Kashihara, Nara, 634-8522, Japan.
| | - Kotaro Shimura
- Departments of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Eriko Yokoi
- Departments of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Katsumi Kozasa
- Departments of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Hiromasa Kuroda
- Departments of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Ryoko Takahashi
- Departments of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Tomoyuki Sasano
- Departments of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Mahiru Kawano
- Departments of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Yuri Matsumoto
- Departments of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Michiko Kodama
- Departments of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Kae Hashimoto
- Departments of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Kenjiro Sawada
- Departments of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Tadashi Kimura
- Departments of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
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Kanoh H, Nitta T, Go S, Inamori KI, Veillon L, Nihei W, Fujii M, Kabayama K, Shimoyama A, Fukase K, Ohto U, Shimizu T, Watanabe T, Shindo H, Aoki S, Sato K, Nagasaki M, Yatomi Y, Komura N, Ando H, Ishida H, Kiso M, Natori Y, Yoshimura Y, Zonca A, Cattaneo A, Letizia M, Ciampa M, Mauri L, Prinetti A, Sonnino S, Suzuki A, Inokuchi JI. Homeostatic and pathogenic roles of GM3 ganglioside molecular species in TLR4 signaling in obesity. EMBO J 2020; 39:e101732. [PMID: 32378734 PMCID: PMC7298289 DOI: 10.15252/embj.2019101732] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [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: 02/07/2019] [Revised: 03/13/2020] [Accepted: 03/23/2020] [Indexed: 01/15/2023] Open
Abstract
Innate immune signaling via TLR4 plays critical roles in pathogenesis of metabolic disorders, but the contribution of different lipid species to metabolic disorders and inflammatory diseases is less clear. GM3 ganglioside in human serum is composed of a variety of fatty acids, including long‐chain (LCFA) and very‐long‐chain (VLCFA). Analysis of circulating levels of human serum GM3 species from patients at different stages of insulin resistance and chronic inflammation reveals that levels of VLCFA‐GM3 increase significantly in metabolic disorders, while LCFA‐GM3 serum levels decrease. Specific GM3 species also correlates with disease symptoms. VLCFA‐GM3 levels increase in the adipose tissue of obese mice, and this is blocked in TLR4‐mutant mice. In cultured monocytes, GM3 by itself has no effect on TLR4 activation; however, VLCFA‐GM3 synergistically and selectively enhances TLR4 activation by LPS/HMGB1, while LCFA‐GM3 and unsaturated VLCFA‐GM3 suppresses TLR4 activation. GM3 interacts with the extracellular region of TLR4/MD2 complex to modulate dimerization/oligomerization. Ligand‐molecular docking analysis supports that VLCFA‐GM3 and LCFA‐GM3 act as agonist and antagonist of TLR4 activity, respectively, by differentially binding to the hydrophobic pocket of MD2. Our findings suggest that VLCFA‐GM3 is a risk factor for TLR4‐mediated disease progression.
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Affiliation(s)
- Hirotaka Kanoh
- Division of Glycopathology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Takahiro Nitta
- Division of Glycopathology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Shinji Go
- Division of Glycopathology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Kei-Ichiro Inamori
- Division of Glycopathology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Lucas Veillon
- Division of Glycopathology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Wataru Nihei
- Division of Glycopathology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Mayu Fujii
- Department of Chemistry, Graduate School of Science, Osaka University, Osaka, Japan
| | - Kazuya Kabayama
- Department of Chemistry, Graduate School of Science, Osaka University, Osaka, Japan
| | - Atsushi Shimoyama
- Department of Chemistry, Graduate School of Science, Osaka University, Osaka, Japan
| | - Koichi Fukase
- Department of Chemistry, Graduate School of Science, Osaka University, Osaka, Japan
| | - Umeharu Ohto
- Graduate School of Pharmaceutical Sciences, University of Tokyo, Tokyo, Japan
| | - Toshiyuki Shimizu
- Graduate School of Pharmaceutical Sciences, University of Tokyo, Tokyo, Japan
| | - Taku Watanabe
- Medical and Pharmaceutical Information Science, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Hiroki Shindo
- Medical and Pharmaceutical Information Science, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Sorama Aoki
- Medical and Pharmaceutical Information Science, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Kenichi Sato
- Medical and Pharmaceutical Information Science, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Mika Nagasaki
- Department of Cardiovascular Medicine and Computational Diagnostic Radiology & Preventive Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yutaka Yatomi
- Department of Clinical Laboratory Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Naoko Komura
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, Gifu, Japan
| | - Hiromune Ando
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, Gifu, Japan
| | - Hideharu Ishida
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, Gifu, Japan.,Department of Applied Bio-organic Chemistry, Faculty of Applied Biological Sciences, Gifu University, Gifu, Japan
| | - Makoto Kiso
- Organization for Research and Community Development, Gifu University, Gifu, Japan
| | - Yoshihiro Natori
- Division of Organic and Pharmaceutical Chemistry, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Yuichi Yoshimura
- Division of Organic and Pharmaceutical Chemistry, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Asia Zonca
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milano, Italy
| | - Anna Cattaneo
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milano, Italy
| | - Marilena Letizia
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milano, Italy
| | - Maria Ciampa
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milano, Italy
| | - Laura Mauri
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milano, Italy
| | - Alessandro Prinetti
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milano, Italy
| | - Sandro Sonnino
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milano, Italy
| | - Akemi Suzuki
- Division of Glycopathology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Jin-Ichi Inokuchi
- Division of Glycopathology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
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Mabuchi S, Komura N, Sasano T, Shimura K, Yokoi E, Kozasa K, Kuroda H, Takahashi R, Kawano M, Matsumoto Y, Kato H, Hatazawa J, Kimura T. Pretreatment tumor-related leukocytosis misleads positron emission tomography-computed tomography during lymph node staging in gynecological malignancies. Nat Commun 2020; 11:1364. [PMID: 32170086 PMCID: PMC7069975 DOI: 10.1038/s41467-020-15186-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [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: 06/18/2019] [Accepted: 02/11/2020] [Indexed: 01/08/2023] Open
Abstract
The accuracy of fluorine-18-fluorodeoxyglucose positron emission tomography-computed tomography (18F-FDG-PET/CT) can be influenced by the increased glycolytic activity of inflammatory lesions. Here, using clinical data obtained from gynecological cancer patients, tumor samples and animal models, we investigate the impact of pretreatment tumor-related leukocytosis (TRL) on the diagnostic performance of 18F-FDG-PET/CT in detecting pelvic and paraaortic lymph node metastasis. We demonstrate that pretreatment TRL misleads 18F-FDG-PET/CT during lymph node staging in gynecological malignancies. In the mechanistic investigations, we show that the false-positive 18F-FDG-PET/CT result for detecting nodal metastasis can be reproduced in animal models of TRL-positive cancer bearing G-CSF expressing cervical cancer cells. We also show that increased 18F-FDG uptake in non-metastatic nodes can be explained by the MDSC-mediated premetastatic niche formation in which proinflammatory factors, such as S100A8 or S100A9, are abundantly expressed. Together, our results suggest that the MDSC-mediated premetastatic niche created in the lymph node of TRL-positive patients misleads 18F-FDG-PET/CT for detecting nodal metastasis.
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Affiliation(s)
- Seiji Mabuchi
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan. .,Department of Obstetrics and Gynecology, Nara Medical University, Kashihara, Nara, Japan.
| | - Naoko Komura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Tomoyuki Sasano
- Department of Gynecologic Oncology and Reproductive Medicine, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Kotaro Shimura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Eriko Yokoi
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Katsumi Kozasa
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Hiromasa Kuroda
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Ryoko Takahashi
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Mahiru Kawano
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Yuri Matsumoto
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Hiroki Kato
- Department of Nuclear Medicine and Tracer Kinetics, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Jun Hatazawa
- Department of Nuclear Medicine and Tracer Kinetics, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Tadashi Kimura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
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Kobayashi M, Sawada K, Yoshimura A, Yamamoto M, Shimizu A, Shimura K, Komura N, Miyamoto M, Ishida K, Kimura T. Clinical effects of switching from minodronate to denosumab treatment in patients with postmenopausal osteoporosis: a retrospective study. BMC Womens Health 2020; 20:48. [PMID: 32138724 PMCID: PMC7057589 DOI: 10.1186/s12905-020-00913-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 02/24/2020] [Indexed: 11/27/2022]
Abstract
Background Denosumab is a major treatment option for patients with postmenopausal osteoporosis; however, the evidence for its use is lacking. Therefore, in this 24-month retrospective study, we aimed to evaluate the effects of switching from minodronate (MIN) to denosumab in these patients. Methods Patients with postmenopausal osteoporosis either switched from MIN to denosumab (Group 1; n = 32) or continued MIN treatment (Group 2; n = 24). Bone mineral density (BMD) of the lumbar spine (L2–L4) and femoral neck was assessed at baseline and every 6 months for 24 months. Serum bone-specific alkaline phosphatase (BAP) and N-terminal telopeptide were measured at baseline, 12 months, and 24 months. Results Twenty-nine of the 32 patients (90.6%) in group 1 and all patients (24/24) in group 2 completed the 24-month follow-up. Switching from MIN to denosumab (Group 1) significantly increased lumbar BMD at 12, 18, and 24 months (6.1, 7.4, and 9.6%, respectively) and femoral neck BMD at 12, 18, and 24 months (2.8, 3.2, and 3.4%, respectively), whereas MIN continuous treatment (Group 2) showed no significant difference from baseline. Switching therapy also showed a significant decrease in serum BAP from baseline to 12 and 24 months (− 19.3 and − 26.5%, respectively) and serum NTX from baseline to 12 months (− 13.1%), whereas continuous MIN treatment failed to show any significant differences from baseline. Conclusion Switching from MIN to denosumab in patients with postmenopausal osteoporosis showed clinical benefits with regard to BMD and bone turnover markers in comparison with continuous MIN treatment. It may therefore be a valid treatment option in the clinical setting.
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Affiliation(s)
- Masaki Kobayashi
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Kenjiro Sawada
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan.
| | - Akihiko Yoshimura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Misa Yamamoto
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Aasa Shimizu
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Kotaro Shimura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Naoko Komura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Mayuko Miyamoto
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Kyoso Ishida
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Tadashi Kimura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
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Komura N. Novel Glycosidation Based on Alkyne Activation. TRENDS GLYCOSCI GLYC 2020. [DOI: 10.4052/tigg.1975.6e] [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: 11/20/2022]
Affiliation(s)
- Naoko Komura
- Center for Highly Advanced Integration of Nano and Life Sciences, Gifu University (G-CHAIN)
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48
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Komura N. Novel Glycosidation Based on Alkyne Activation. TRENDS GLYCOSCI GLYC 2020. [DOI: 10.4052/tigg.1975.6j] [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: 11/20/2022]
Affiliation(s)
- Naoko Komura
- Center for Highly Advanced Integration of Nano and Life Sciences, Gifu University (G-CHAIN)
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49
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Takahashi M, Shirasaki J, Komura N, Sasaki K, Tanaka HN, Imamura A, Ishida H, Hanashima S, Murata M, Ando H. Efficient diversification of GM3 gangliosides via late-stage sialylation and dynamic glycan structural studies with 19F solid-state NMR. Org Biomol Chem 2020; 18:2902-2913. [DOI: 10.1039/d0ob00437e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [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
GM3 gangliosides have been synthesized via late-stage α-sialylation using a macro-bicyclic sialyl donor. 19F solid-state NMR analysis of the C5-NHTFAc GM3 analog on a model membrane revealed the influence of cholesterol on glycan dynamics.
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Affiliation(s)
- Maina Takahashi
- Department of Applied Bioorganic Chemistry
- Gifu University
- Gifu 501-1193
- Japan
| | - Junya Shirasaki
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN)
- Gifu University
- Gifu 501-1193
- Japan
| | - Naoko Komura
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN)
- Gifu University
- Gifu 501-1193
- Japan
| | - Katsuaki Sasaki
- Department of Chemistry
- Graduate School of Science
- Osaka University
- Toyonaka
- Japan
| | - Hide-Nori Tanaka
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN)
- Gifu University
- Gifu 501-1193
- Japan
| | - Akihiro Imamura
- Department of Applied Bioorganic Chemistry
- Gifu University
- Gifu 501-1193
- Japan
| | - Hideharu Ishida
- Department of Applied Bioorganic Chemistry
- Gifu University
- Gifu 501-1193
- Japan
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN)
| | - Shinya Hanashima
- Department of Chemistry
- Graduate School of Science
- Osaka University
- Toyonaka
- Japan
| | - Michio Murata
- Department of Chemistry
- Graduate School of Science
- Osaka University
- Toyonaka
- Japan
| | - Hiromune Ando
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN)
- Gifu University
- Gifu 501-1193
- Japan
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Yanaka S, Yogo R, Watanabe H, Taniguchi Y, Satoh T, Komura N, Ando H, Yagi H, Yuki N, Uchihashi T, Kato K. On-Membrane Dynamic Interplay between Anti-GM1 IgG Antibodies and Complement Component C1q. Int J Mol Sci 2019; 21:E147. [PMID: 31878295 PMCID: PMC6981440 DOI: 10.3390/ijms21010147] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [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: 12/02/2019] [Revised: 12/20/2019] [Accepted: 12/20/2019] [Indexed: 12/17/2022] Open
Abstract
Guillain-Barré syndrome, an autoimmune neuropathy characterized by acute limb weakness, is often preceded by Campylobacter jejuni infection. Molecular mimicry exists between the bacterial lipo-oligosaccharide and human ganglioside. Such C. jejuni infection induces production of immunoglobulin G1 (IgG1) autoantibodies against GM1 and causes complement-mediated motor nerve injury. For elucidating the molecular mechanisms linking autoantigen recognition and complement activation, we characterized the dynamic interactions of anti-GM1 IgG autoantibodies on ganglioside-incorporated membranes. Using high-speed atomic force microscopy, we found that the IgG molecules assemble into a hexameric ring structure on the membranes depending on their specific interactions with GM1. Complement component C1q was specifically recruited onto these IgG rings. The ring formation was inhibited by an IgG-binding domain of staphylococcal protein A bound at the cleft between the CH2 and CH3 domains. These data indicate that the IgG assembly is mediated through Fc-Fc interactions, which are promoted under on-membrane conditions due to restricted translational diffusion of IgG molecules. Reduction and alkylation of the hinge disulfide impaired IgG ring formation, presumably because of an increase in conformational entropic penalty. Our findings provide mechanistic insights into the molecular processes involved in Guillain-Barré syndrome and, more generally, into antigen-dependent interplay between antibodies and complement components on membranes.
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Grants
- JP19J15602, JP19K15412, JP17H06414, JP17H05893, JP18K14892, JP18H03942, JP16H00758, JP18H01837, JP18H04512, JP19H05389, JP19H01017 Ministry of Education, Culture, Sports, Science and Technology
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Affiliation(s)
- Saeko Yanaka
- Exploratory Research Center on Life and Living Systems (ExCELLS) and Institute for Molecular Science (IMS), National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, Japan; (S.Y.); (R.Y.); (H.W.)
- Faculty and Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan; (Y.T.); (T.S.); (H.Y.)
| | - Rina Yogo
- Exploratory Research Center on Life and Living Systems (ExCELLS) and Institute for Molecular Science (IMS), National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, Japan; (S.Y.); (R.Y.); (H.W.)
- Faculty and Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan; (Y.T.); (T.S.); (H.Y.)
| | - Hiroki Watanabe
- Exploratory Research Center on Life and Living Systems (ExCELLS) and Institute for Molecular Science (IMS), National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, Japan; (S.Y.); (R.Y.); (H.W.)
| | - Yuki Taniguchi
- Faculty and Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan; (Y.T.); (T.S.); (H.Y.)
| | - Tadashi Satoh
- Faculty and Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan; (Y.T.); (T.S.); (H.Y.)
| | - Naoko Komura
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, Yanagido 1-1, Gifu 501-1193, Japan; (N.K.); (H.A.)
| | - Hiromune Ando
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, Yanagido 1-1, Gifu 501-1193, Japan; (N.K.); (H.A.)
| | - Hirokazu Yagi
- Faculty and Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan; (Y.T.); (T.S.); (H.Y.)
| | - Nobuhiro Yuki
- Yuki Clinic, 1-3-7 Johnan, Mito, Ibaraki 310-0803, Japan;
| | - Takayuki Uchihashi
- Exploratory Research Center on Life and Living Systems (ExCELLS) and Institute for Molecular Science (IMS), National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, Japan; (S.Y.); (R.Y.); (H.W.)
- Department of Physics, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan
| | - Koichi Kato
- Exploratory Research Center on Life and Living Systems (ExCELLS) and Institute for Molecular Science (IMS), National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, Japan; (S.Y.); (R.Y.); (H.W.)
- Faculty and Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan; (Y.T.); (T.S.); (H.Y.)
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