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Rodrigues TC, Figueiredo DB, Gonçalves VM, Kaneko K, Saleem IY, Miyaji EN. Liposome-based dry powder vaccine immunization targeting the lungs induces broad protection against pneumococcus. J Control Release 2024; 368:184-198. [PMID: 38395155 DOI: 10.1016/j.jconrel.2024.02.028] [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: 10/06/2023] [Revised: 02/05/2024] [Accepted: 02/20/2024] [Indexed: 02/25/2024]
Abstract
Streptococcus pneumoniae is an important human pathogen. Currently used conjugate vaccines are effective against invasive disease, but protection is restricted to serotypes included in the formulation, leading to serotype replacement. Furthermore, protection against non-invasive disease is reported to be considerably lower. The development of a serotype-independent vaccine is thus important and Pneumococcal surface protein A (PspA) is a promising vaccine candidate. PspA shows some diversity and can be classified in 6 clades and 3 families, with families 1 and 2 being the most frequent in clinical isolates. The ideal vaccine should thus induce protection against the two most common families of PspA. The aim of this work was to develop a liposome-based vaccine containing PspAs from family 1 and 2 and to characterize its immune response. Liposomes (LP) composed of dipalmitoylphosphatidylcholine (DPPC) and 3β-[N-(N',N'-dimethylaminoethane)-carbamoyl]cholesterol (DC-Chol) with or without α-galactosylceramide (α-GalCer) were produced by microfluidics, encapsulating PspA from clade 1 (PspA1, family 1) and/or clade 4 (PspA4Pro, family 2) followed by spray-drying with trehalose to form nanocomposite microparticles carriers (NCMP). LP/NCMPs showed good stability and preservation of protein activity. LP/NCMPs containing PspA1 and/or PspA4Pro were used for immunization of mice targeting the lungs. High serum IgG antibody titers against both PspA1 and PspA4Pro were detected in animals immunized with LP/NCMPs containing α-GalCer, with a balance of IgG1 and IgG2a titers. IgG in sera from immunized mice bound to pneumococcal strains from different serotypes and expressing different PspA clades, indicating broad recognition. Mucosal IgG and IgA were also detected. Importantly, immunization with LP/NCMPs induced full protection against strains expressing PspAs from family 1 and 2. Furthermore, CD4+ resident memory T cells were detected in the lungs of the immunized animals that survived the challenge.
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Affiliation(s)
- T C Rodrigues
- Laboratório de Bacteriologia, Instituto Butantan, São Paulo, Brazil; Programa de Pós-Graduação Interunidades em Biotecnologia, Universidade de São Paulo, São Paulo, Brazil
| | - D B Figueiredo
- Programa de Pós-Graduação Interunidades em Biotecnologia, Universidade de São Paulo, São Paulo, Brazil; Laboratório de Desenvolvimento de Vacinas, Instituto Butantan, São Paulo, Brazil
| | - V M Gonçalves
- Programa de Pós-Graduação Interunidades em Biotecnologia, Universidade de São Paulo, São Paulo, Brazil; Laboratório de Desenvolvimento de Vacinas, Instituto Butantan, São Paulo, Brazil
| | - K Kaneko
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool, Merseyside, United Kingdom
| | - I Y Saleem
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool, Merseyside, United Kingdom.
| | - E N Miyaji
- Laboratório de Bacteriologia, Instituto Butantan, São Paulo, Brazil; Programa de Pós-Graduação Interunidades em Biotecnologia, Universidade de São Paulo, São Paulo, Brazil.
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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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Shimano H, Shimizu Y, Shimoda H, Shin K, Shivashankar G, Shojima N, Silva R, Sim CSB, Simmons K, Sinha S, Sitter T, Sivanandam S, Skipper M, Sloan K, Sloan L, Smith R, Smyth J, Sobande T, Sobata M, Somalanka S, Song X, Sonntag F, Sood B, Sor SY, Soufer J, Sparks H, Spatoliatore G, Spinola T, Squyres S, Srivastava A, Stanfield J, Staplin N, Staylor K, Steele A, Steen O, Steffl D, Stegbauer J, Stellbrink C, Stellbrink E, Stevens W, Stevenson A, Stewart-Ray V, Stickley J, Stoffler D, Stratmann B, Streitenberger S, Strutz F, Stubbs J, Stumpf J, Suazo N, Suchinda P, Suckling R, Sudin A, Sugamori K, Sugawara H, Sugawara K, Sugimoto D, Sugiyama H, Sugiyama H, Sugiyama T, Sullivan M, Sumi M, Suresh N, Sutton D, Suzuki H, Suzuki R, Suzuki Y, Suzuki Y, Suzuki Y, Swanson E, Swift P, Syed S, Szerlip H, Taal M, Taddeo M, Tailor C, Tajima K, Takagi M, Takahashi K, Takahashi K, Takahashi M, Takahashi T, Takahira E, Takai T, Takaoka M, Takeoka J, Takesada A, Takezawa M, Talbot M, Taliercio J, Talsania T, Tamori Y, Tamura R, Tamura Y, Tan CHH, Tan EZZ, Tanabe A, Tanabe K, Tanaka A, Tanaka A, Tanaka N, Tang S, Tang Z, Tanigaki K, Tarlac M, Tatsuzawa A, Tay JF, Tay LL, Taylor J, Taylor K, Taylor K, Te A, Tenbusch L, Teng KS, Terakawa A, Terry J, Tham ZD, Tholl S, Thomas G, Thong KM, Tietjen D, Timadjer A, Tindall H, Tipper S, Tobin K, Toda N, Tokuyama A, Tolibas M, Tomita A, Tomita T, Tomlinson J, Tonks L, Topf J, Topping S, Torp A, Torres A, Totaro F, Toth P, Toyonaga Y, Tripodi F, Trivedi K, Tropman E, Tschope D, Tse J, Tsuji K, Tsunekawa S, Tsunoda R, Tucky B, Tufail S, Tuffaha A, Turan E, Turner H, Turner J, Turner M, Tuttle KR, Tye YL, Tyler A, Tyler J, Uchi H, Uchida H, Uchida T, Uchida T, Udagawa T, Ueda S, Ueda Y, Ueki K, Ugni S, Ugwu E, Umeno R, Unekawa C, Uozumi K, Urquia K, Valleteau A, Valletta C, van Erp R, Vanhoy C, Varad V, Varma R, Varughese A, Vasquez P, Vasseur A, Veelken R, Velagapudi C, Verdel K, Vettoretti S, Vezzoli G, Vielhauer V, Viera R, Vilar E, Villaruel S, Vinall L, Vinathan J, Visnjic M, Voigt E, von-Eynatten M, Vourvou M, Wada J, Wada J, Wada T, Wada Y, Wakayama K, Wakita Y, Wallendszus K, Walters T, Wan Mohamad WH, Wang L, Wang W, Wang X, Wang X, Wang Y, Wanner C, Wanninayake S, Watada H, Watanabe K, Watanabe K, Watanabe M, Waterfall H, Watkins D, Watson S, Weaving L, Weber B, Webley Y, Webster A, Webster M, Weetman M, Wei W, Weihprecht H, Weiland L, Weinmann-Menke J, Weinreich T, Wendt R, Weng Y, Whalen M, Whalley G, Wheatley R, Wheeler A, Wheeler J, Whelton P, White K, Whitmore B, Whittaker S, Wiebel J, Wiley J, Wilkinson L, Willett M, Williams A, Williams E, Williams K, Williams T, Wilson A, Wilson P, Wincott L, Wines E, Winkelmann B, Winkler M, Winter-Goodwin B, Witczak J, Wittes J, Wittmann M, Wolf G, Wolf L, Wolfling R, Wong C, Wong E, Wong HS, Wong LW, Wong YH, Wonnacott A, Wood A, Wood L, Woodhouse H, Wooding N, Woodman A, Wren K, Wu J, Wu P, Xia S, Xiao H, Xiao X, Xie Y, Xu C, Xu Y, Xue H, Yahaya H, Yalamanchili H, Yamada A, Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Sato T, Nakajima K, Terao H, Ishii S, Hirai M, Maruyama T, Kaneko K, Suzuki S, Okada T, Aono T. [A Case of De Novo Stage Ⅳ Breast Cancer Successfully Treated with Surgery and Multiple Endocrine Therapies Over a Long Period of Time]. Gan To Kagaku Ryoho 2023; 50:1387-1389. [PMID: 38303283] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
Here we present a case of de novo Stage Ⅳ breast cancer successfully treated with surgery and multiple endocrine therapies over a long period of time. A 75-year-old female presented with a breast tumor with skin invasion and multiple lung metastases. Diagnosed with infiltrating breast cancer of Luminal A-like subtype, endocrine therapy with anastrozole was initiated. Despite initial response to the treatment in both the primary site and lung metastases, the primary tumor regrew and surgery with lumpectomy was performed. After a 3-year-treatment of tamoxifen, axillary lymphadenopathy and bone metastases developed. The patient was treated with fulvestrant for 5 years, resulting in clinical complete response. The now 88-year-old patient has been free of disease without treatment for a year and a half. Generally, primary tumor resection of Stage Ⅳ breast cancer does not improve prognosis, but in this case it provided good local control and enabled long-term endocrine therapy, resulting in prolonged disease-free survival.
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Affiliation(s)
- Tomoi Sato
- Dept. of Surgery, Niigata Prefectural Central Hospital
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Terao H, Maruyama T, Aono T, Suzuki S, Kaneko K, Sato T, Okada T, Muto I, Hasegawa M, Muneoka Y, Tajima Y, Ichikawa H, Shimada Y, Sakata J, Wakai T. [Resectable Pancreatic Cancer Successfully Treated with Neoadjuvant Chemotherapy Regimen Change to Modified FOLFIRINOX-A Case Report]. Gan To Kagaku Ryoho 2023; 50:1569-1571. [PMID: 38303344] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
A 72-year-old woman presented with obstructive jaundice. Computed tomography revealed a 12-mm low-density mass in the head of the pancreas. She was diagnosed as having pancreatic cancer by endoscopic ultrasound-guided fine-needle aspiration. She received gemcitabine plus nab-paclitaxel as preoperative chemotherapy. After 2 courses, hepatoduodenal lymph node metastasis appeared and was accompanied by increased tumor marker levels. The regimen was changed to modified FOLFIRINOX. After 5 courses, the lymph node metastasis was reduced in size and the tumor marker levels were decreased, so subtotal stomach-preserving pancreaticoduodenectomy was performed. Adjuvant chemotherapy was administered postoperatively. The patient was alive and well without recurrence 2 years and 9 months after the surgery, but died of sepsis. Nevertheless, this case highlights that when preoperative chemotherapy for resectable pancreatic cancer appears to be ineffective, a change in regimen may be useful.
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Affiliation(s)
- Hikaru Terao
- Dept. of Surgery, Niigata Prefectural Central Hospital
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Suzuki S, Nakajima K, Terao H, Ishii S, Hirai M, Maruyama T, Kaneko K, Sato T, Okada T, Aono T, Hasegawa M. [A Case of Primary Gastric Lymphoma with Spontaneous Perforation]. Gan To Kagaku Ryoho 2023; 50:1468-1470. [PMID: 38303310] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
An 85-year-old female patient presented to the emergency department with the chief complaint of sudden upper abdominal pain. The patient suffered from anorexia and epigastric pain for a month, and a local physician suspected a diagnosis of gastric ulcer. An abdominal computed tomography(CT)scan showed intraperitoneal free air as well as irregular thickening and thinning of the gastric wall. Gastric ulcer perforation was suspected, and an emergency operation was performed. Surgical findings showed thickening of the gastric wall in the pylorus and gastric corpus but partial thinning of areas of the anterior wall of the gastric corpus with a perforation measuring 5 mm. A distal gastrectomy and reconstruction were performed using the Billroth Ⅱ method. The histopathological diagnosis was malignant gastric lymphoma(diffuse large B- cell lymphoma). Considering the patient's age and general condition, chemotherapy was not administered after surgery. The patient was alive without recurrence 8 months after the operation.
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Affiliation(s)
- Susumu Suzuki
- Dept. of Surgery, Niigata Prefectural Central Hospital
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Takada Y, Kaneko K. Automated machine learning approach for developing a quantitative structure-activity relationship model for cardiac steroid inhibition of Na +/K +-ATPase. Pharmacol Rep 2023:10.1007/s43440-023-00508-x. [PMID: 37354314 DOI: 10.1007/s43440-023-00508-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 06/09/2023] [Accepted: 06/16/2023] [Indexed: 06/26/2023]
Abstract
BACKGROUND Quantitative structure-activity relationship (QSAR) modeling is a method of characterizing the relationship between chemical structures and biological activity. Automated machine learning enables computers to learn from large datasets and can be used for chemoinformatics. Cardiac steroids (CSs) inhibit the activity of Na+/K+-ATPase (NKA) in several species, including humans, since the binding pocket in which NKA binds to CSs is highly conserved. CSs are used to treat heart disease and have been developed into anticancer drugs for use in clinical trials. Novel CSs are, therefore, frequently synthesized and their activities evaluated. The purpose of this study is to develop a QSAR model via automated machine learning to predict the potential inhibitory activity of compounds without performing experiments. METHODS The chemical structures and inhibitory activities of 215 CS derivatives were obtained from the scientific literature. Predictive QSAR models were constructed using molecular descriptors, fingerprints, and biological activities. RESULTS The best predictive QSAR models were selected based on the LogLoss value. Using these models, the Matthews correlation coefficient, F1 score, and area under the curve of the test dataset were 0.6729, 0.8813, and 0.8812, respectively. Next, we showed automated construction of the predictive models for CS derivatives, which may be useful for identifying novel CSs suitable for candidate drug development. CONCLUSION The automated machine learning-based QSAR method developed here should be applicable for the time-efficient construction of predictive models using only a small number of compounds.
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Affiliation(s)
- Yohei Takada
- Corporate Planning Department, Otsuka Holdings Co., Ltd, Shinagawa Grand Central Tower 2-16-4 Konan, Minato-ku, Tokyo, 108-8241, Japan.
| | - Kazuhiro Kaneko
- Headquarters of Clinical Development, Otsuka Pharmaceutical Co., Ltd, Shinagawa Grand Central Tower 2-16-4 Konan, Minato-ku, Tokyo, 108-8241, Japan
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Oba Y, Motokawa R, Kaneko K, Nagai T, Tsuchikawa Y, Shinohara T, Parker JD, Okamoto Y. Neutron resonance absorption imaging of simulated high-level radioactive waste in borosilicate glass. Sci Rep 2023; 13:10071. [PMID: 37344550 DOI: 10.1038/s41598-023-37157-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 06/16/2023] [Indexed: 06/23/2023] Open
Abstract
We performed a preliminary study of neutron resonance absorption imaging to investigate the spatial distribution of constituent elements in borosilicate glasses containing simulated high-level radioactive waste, in which elemental inhomogeneities affect the physical and chemical stabilities of the glass. Dips generated by the resonance absorptions of Rh, Pd, Na, Gd, Cs, and Sm were observed in the neutron transmission spectra of the glass samples. The spatial distributions of these elements were obtained from the neutron transmission images at the resonance energies. The distributions of Rh and Pd visualized the sedimentation of these platinum group elements. In contrast, the lanthanides (Gd and Sm) and Cs were uniformly dispersed. These results show that neutron resonance absorption imaging is a promising tool for characterizing borosilicate glasses and investigating the vitrification mechanism of high-level radioactive waste.
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Affiliation(s)
- Y Oba
- Materials Sciences Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195, Japan.
- Department of Mechanical Engineering, Toyohashi University of Technology, Toyohashi, 441-8580, Japan.
| | - R Motokawa
- Materials Sciences Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195, Japan
| | - K Kaneko
- Materials Sciences Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195, Japan
| | - T Nagai
- TRP Decommissioning Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1194, Japan
| | - Y Tsuchikawa
- J-PARC Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195, Japan
| | - T Shinohara
- J-PARC Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195, Japan
| | - J D Parker
- Neutron R&D Division, Comprehensive Research Organization for Science and Society (CROSS), Tokai, Ibaraki, 319-1106, Japan
| | - Y Okamoto
- Materials Sciences Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195, Japan
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Takada Y, Kaneko K, Kawakami Y. Interaction of Odoroside A, A Known Natural Cardiac Glycoside, with Na +/K +-ATPase. J Membr Biol 2023; 256:229-241. [PMID: 36840763 DOI: 10.1007/s00232-023-00281-1] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 02/01/2023] [Indexed: 02/26/2023]
Abstract
The nature of odoroside A, a cardiac glycoside (CG) extracted from Nerium oleander, as well as its chemical structure is quite similar to a well-known CG, ouabain possessing a steroid skeleton, a five-membered unsaturated lactone ring, and a sugar moiety as a common structure. Like ouabain, odoroside A inhibits the activity of Na+/K+-ATPase (NKA) and shows significant anticancer activity, however its inhibitory mechanism remains unknown. CGs show various physiological activities, including cardiotonic and anticancer activities, through the inhibition of NKA by direct interaction. Additionally, X-ray crystallographic analysis revealed the inhibitory mechanism of ouabain and digoxin in relation to NKA. By using different molecular modeling techniques, docking simulation of odoroside A and NKA was conducted based on the results of these X-ray crystallographic analyses. Furthermore, a comparison of the results with the binding characteristics of three known CGs (ouabain, digoxin, and digitoxin) was also conducted. Odoroside A fitted into the CG binding pocket on the α-subunit of NKA revealed by X-ray crystallography. It had key interactions with Thr797 and Phe783. Also, three known CGs showed similar interactions with Thr797 and Phe783. Interaction modes of odoroside A were quite similar to those of ouabain, digoxin, and digitoxin. Docking simulations indicated that the sugar moiety enhanced the interaction between NKA and CGs, but did not show enhanced NKA inhibitory activity because the sugar moiety was placed outside the entrance of active site. Thus, these results suggest that the inhibitory mechanism of odoroside A to NKA is the same as the known CGs.
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Affiliation(s)
- Yohei Takada
- Corporate Planning Department, Otsuka Holdings Co., Ltd, Shinagawa Grand Central Tower 2-16-4 Konan, Minato-Ku, Tokyo, 108-8241, Japan.
| | - Kazuhiro Kaneko
- Headquarters of Clinical Development, Otsuka Pharmaceutical Co., Ltd, Shinagawa Grand Central Tower 2-16-4 Konan, Minato-Ku, Tokyo, 108-8241, Japan
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Kaneko K, Sun Y, Shimizu N, Mizusaki T. Quasi-SU(3) Coupling Induced Oblate-Prolate Shape Phase Transition in the Casten Triangle. Phys Rev Lett 2023; 130:052501. [PMID: 36800453 DOI: 10.1103/physrevlett.130.052501] [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] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 11/25/2022] [Accepted: 01/12/2023] [Indexed: 06/18/2023]
Abstract
Shapes and shape evolution in the mass-130 region, including the Te, Xe, and Ba isotopes, have long been a focus of discussion in nuclear physics. This mass region consists of complex many-body systems that can behave in astonishingly simple and regular ways, as classified in the Casten symmetry triangle. By applying the shell model Hamiltonian proposed recently, we carry out calculations using the Hartree-Fock-Bogolyubov plus generator coordinate method, in the large model space containing the (1g_{9/2},1g_{7/2},2d_{5/2},2d_{3/2},3s_{1/2},1h_{11/2},2f_{7/2}) orbits. Based on good reproduction of the experimentally known energy levels, spectroscopic quadrupole moments, and E2 transition probabilities, we identify the quasi-SU(3) couplings across the N=50 and 82 shell gaps, which play a role in driving shape evolution and phase transition discussed in the extended Casten triangle. Specifically, we demonstrate that the quasi-SU(3) coupling mechanism in the proton partner orbits (1g_{9/2}, 2d_{5/2}) tends to drive the system to be more γ soft, and that in the neutron partner orbits (1h_{11/2}, 2f_{7/2}) are responsible for the oblate-to-prolate shape phase transition. With an emphasis on discussing spectroscopic quadrupole moments, our Letter uncovers hidden symmetries from the vast shell-model configurations and adds microscopical insights into the empirical symmetry triangle.
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Affiliation(s)
- K Kaneko
- Department of Physics, Kyushu Sangyo University, Fukuoka 813-8503, Japan
| | - Y Sun
- School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
| | - N Shimizu
- Center for Computational Sciences, University of Tsukuba, 1-1-1, Tennodai Tsukuba, Ibaraki 305-8577, Japan
| | - T Mizusaki
- Institute of Natural Sciences, Senshu University, Tokyo 101-8425, Japan
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Liu JJ, Xu XX, Sun LJ, Yuan CX, Kaneko K, Sun Y, Liang PF, Wu HY, Shi GZ, Lin CJ, Lee J, Wang SM, Qi C, Li JG, Li HH, Xayavong L, Li ZH, Li PJ, Yang YY, Jian H, Gao YF, Fan R, Zha SX, Dai FC, Zhu HF, Li JH, Chang ZF, Qin SL, Zhang ZZ, Cai BS, Chen RF, Wang JS, Wang DX, Wang K, Duan FF, Lam YH, Ma P, Gao ZH, Hu Q, Bai Z, Ma JB, Wang JG, Wu CG, Luo DW, Jiang Y, Liu Y, Hou DS, Li R, Ma NR, Ma WH, Yu GM, Patel D, Jin SY, Wang YF, Yu YC, Hu LY, Wang X, Zang HL, Wang KL, Ding B, Zhao QQ, Yang L, Wen PW, Yang F, Jia HM, Zhang GL, Pan M, Wang XY, Sun HH, Xu HS, Zhou XH, Zhang YH, Hu ZG, Wang M, Liu ML, Ong HJ, Yang WQ. Observation of a Strongly Isospin-Mixed Doublet in ^{26}Si via β-Delayed Two-Proton Decay of ^{26}P. Phys Rev Lett 2022; 129:242502. [PMID: 36563237 DOI: 10.1103/physrevlett.129.242502] [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] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 10/10/2022] [Accepted: 11/03/2022] [Indexed: 06/17/2023]
Abstract
β decay of proton-rich nuclei plays an important role in exploring isospin mixing. The β decay of ^{26}P at the proton drip line is studied using double-sided silicon strip detectors operating in conjunction with high-purity germanium detectors. The T=2 isobaric analog state (IAS) at 13 055 keV and two new high-lying states at 13 380 and 11 912 keV in ^{26}Si are unambiguously identified through β-delayed two-proton emission (β2p). Angular correlations of two protons emitted from ^{26}Si excited states populated by ^{26}P β decay are measured, which suggests that the two protons are emitted mainly sequentially. We report the first observation of a strongly isospin-mixed doublet that deexcites mainly via two-proton decay. The isospin mixing matrix element between the ^{26}Si IAS and the nearby 13 380-keV state is determined to be 130(21) keV, and this result represents the strongest mixing, highest excitation energy, and largest level spacing of a doublet ever observed in β-decay experiments.
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Affiliation(s)
- J J Liu
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - X X Xu
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Department of Physics, The University of Hong Kong, Hong Kong, China
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
- Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516003, China
| | - L J Sun
- School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA
| | - C X Yuan
- Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-Sen University, Zhuhai 519082, China
| | - K Kaneko
- Department of Physics, Kyushu Sangyo University, Fukuoka 813-8503, Japan
| | - Y Sun
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
- School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
| | - P F Liang
- Department of Physics, The University of Hong Kong, Hong Kong, China
| | - H Y Wu
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - G Z Shi
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - C J Lin
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
- College of Physics and Technology & Guangxi Key Laboratory of Nuclear Physics and Technology, Guangxi Normal University, Guilin 541004, China
| | - J Lee
- Department of Physics, The University of Hong Kong, Hong Kong, China
| | - S M Wang
- Key Laboratory of Nuclear Physics and Ion-beam Application (MOE), Institute of Modern Physics, Fudan University, Shanghai 200433, China
- Shanghai Research Center for Theoretical Nuclear Physics, NSFC and Fudan University, Shanghai 200438, China
| | - C Qi
- KTH Royal Institute of Technology, SE-100 44, Stockholm, Sweden
| | - J G Li
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - H H Li
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Latsamy Xayavong
- Department of Physics, Faculty of Natural Sciences, National University of Laos, Vientiane 01080, Laos
| | - Z H Li
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - P J Li
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Y Y Yang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - H Jian
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Y F Gao
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - R Fan
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - S X Zha
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - F C Dai
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - H F Zhu
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - J H Li
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Z F Chang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - S L Qin
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Z Z Zhang
- Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-Sen University, Zhuhai 519082, China
| | - B S Cai
- Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-Sen University, Zhuhai 519082, China
| | - R F Chen
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - J S Wang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- College of Science, Huzhou University, Huzhou 313000, China
| | - D X Wang
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - K Wang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - F F Duan
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Y H Lam
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - P Ma
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Z H Gao
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Q Hu
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Z Bai
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - J B Ma
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - J G Wang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - C G Wu
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - D W Luo
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - Y Jiang
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - Y Liu
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - D S Hou
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - R Li
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - N R Ma
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - W H Ma
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Key Laboratory of Nuclear Physics and Ion-beam Application (MOE), Institute of Modern Physics, Fudan University, Shanghai 200433, China
| | - G M Yu
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Fundamental Science on Nuclear Safety and Simulation Technology Laboratory, Harbin Engineering University, Harbin 150001, China
| | - D Patel
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Department of Physics, Sardar Vallabhbhai National Institute of Technology, Surat 395007, India
| | - S Y Jin
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Y F Wang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Physics and Astronomy, Yunnan University, Kunming 650091, China
| | - Y C Yu
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Physics and Astronomy, Yunnan University, Kunming 650091, China
| | - L Y Hu
- Fundamental Science on Nuclear Safety and Simulation Technology Laboratory, Harbin Engineering University, Harbin 150001, China
| | - X Wang
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - H L Zang
- State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - K L Wang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - B Ding
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Q Q Zhao
- Department of Physics, The University of Hong Kong, Hong Kong, China
| | - L Yang
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - P W Wen
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - F Yang
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - H M Jia
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - G L Zhang
- School of Physics, Beihang University, Beijing 100191, China
| | - M Pan
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
- School of Physics, Beihang University, Beijing 100191, China
| | - X Y Wang
- School of Physics, Beihang University, Beijing 100191, China
| | - H H Sun
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - H S Xu
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
- Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516003, China
| | - X H Zhou
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
- Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516003, China
| | - Y H Zhang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
- Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516003, China
| | - Z G Hu
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
- Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516003, China
| | - M Wang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
- Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516003, China
| | - M L Liu
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - H J Ong
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- RCNP, Osaka University, Osaka 567-0047, Japan
| | - W Q Yang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
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Suzuki S, Aono T, Maruyama T, Naruse K, Utsumi S, Toge K, Kaneko K, Sato T, Okada T, Muto I, Hasegawa M. [A Case of Pancreatic Invasive Micropapillary Carcinoma That Survived Seven Years after Resection and Chemotherapy]. Gan To Kagaku Ryoho 2022; 49:1500-1502. [PMID: 36733115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
We present the case of a 47-year-old man who underwent a subtotal stomach-preserving pancreaticoduodenectomy for pancreatic head cancer. Histopathological diagnosis revealed that the majority of the cancer was an invasive micropapillary carcinoma(IMPC). Postoperative adjuvant chemotherapy using S-1 was continued for 4 years, at the end of which, multiple lymph node metastases were identified. Therefore, gemcitabine plus S-1 therapy was initiated. The treatment reduced the lymph node in size and resulted in the maintenance of a partial response for a year and a half. However, increased lymph node metastases recurred, and multiple lung metastases were noted. The patient died 7 years and 2 months after the resection of the primary lesion. Although pancreatic IMPC has a poor prognosis, long-term survival may be achieved by resection of the primary region, the administration of adjuvant chemotherapy and management of recurrent lesions by chemotherapy.
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Affiliation(s)
- Susumu Suzuki
- Dept. of Surgery, Niigata Prefectural Central Hospital
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13
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Sato T, Muto I, Sakai T, Nakajima K, Utsumi S, Toge K, Maruyama T, Kaneko K, Suzuki S, Okada T, Aono T. [Locally Advanced HER2-Positive Breast Cancer Successfully Treated with Trastuzumab Emtansine]. Gan To Kagaku Ryoho 2022; 49:1405-1407. [PMID: 36733083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Although the prognosis of HER2-positive breast cancer(BC)has been improving than before, that of locally advanced cases is not satisfactory. A 41-year-old female presented with a huge breast lump and massive lymphadenopathy, which was diagnosed as HER2-positive, unresectable, locally advanced BC. The first treatment, consisting of docetaxel, trastuzumab and pertuzumab, had only a limited and temporary effect, with subsequent mass regrowth. After initiation of the second treatment, trastuzumab emtansine(TDM1), the mass gradually shrank, and mastectomy and axillary lymphadenectomy were performed successfully. Histologically, several tiny invasive foci were observed in the mammary gland. No lymph node metastases were observed. The patient subsequently underwent radiation therapy and a 1-year course of TDM1 treatment. The patient has been in remission for 5 years. HER2-positive, locally advanced BC can be successfully treated with multimodal therapy, including anti-HER2 therapy, timely surgery and radiation therapy.
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Affiliation(s)
- Tomoi Sato
- Dept. of Surgery, Niigata Prefectural Central Hospital
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14
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Isojima S, Yajima N, Yanai R, Miura Y, Fukuma S, Kaneko K, Fujio K, Oku K, Matsushita M, Miyamae T, Wada T, Kaneko Y, Tanaka Y, Nakajima A, Murashima A. POS0734 THE CLINICAL JUDGMENT FOR THE ACCEPTABILITY OF PREGNANCY IN PATIENTS WITH SEROLOGICALLY ACTIVE SLE IN JAPAN: A NATIONWIDE ONLINE SURVEY FROM THE VIGNETTE STUDY. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.1397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BackgroundThe risk of pregnancy complications, such as gestational hypertension is high in pregnancies with SLE. In addition, the risk of flare is elevated if pregnancy occurs during the high disease activity. The EULAR recommendation provides a checklist for preconception counseling, in which patients with SLE desiring pregnancy were required the condition that the disease activity prior to pregnancy should be stable for 6-12 months in terms of serological activity (1). However, it does not provide specific criteria for serological activity so that physicians should evaluate the risk of pregnancy in each case by their clinical intuitions.ObjectivesIn order to uncover the present clinical situation for the acceptability of pregnancy in patients with SLE, we performed questionnaire survey to physicians regarding to the degree of serological activity.MethodsThis cross-sectional study was performed to physicians registered with the Japanese College of Rheumatology from December 2020 to January 2021 using the online survey. The questionnaire asked about the characteristics of physicians, facilities and the permission of pregnancies with SLE using vignette scenarios. In this study, data from vignettes of women visiting a regular outpatient clinic were used. The vignettes varied in age (28 or 35 years), duration of stable disease and serological activity. Analysis methods were descriptive statistics, chi-square test. generalized estimating equations (GEE) was performed to investigate the relationship between the determining permission for pregnancy and the scenario patient’s characteristics (age, period of stable disease, titer of anti ds-DNA antibody)ResultsThe questionnaire was distributed to 4946 physicians, and 463 responded. Completion rate (ratio agreed to participate/finished survey) of survey was 91.1%. The median age of physicians was 46 (interquartile range (IQR) 2-10). The specialty was rheumatology (84.9%), other internal medicine (8%), and pediatrics (5.6%). There were no significant differences in patient’s age about the acceptability of pregnancy (coeffficianet -0.02, 95% CI -0.17 -0.01, p=0.42). Case who had been stable for 6 months were more tolerant of pregnancy than case who had been stable for 3 months (coeffficianet 0.12, 95% CI 0.09-0.15, P<0.001) Pregnancy was not allowed in case with mild or high serological activity (mild: coefficient -0.49, 95% CI -0.29- -0.22, p <0.001, high: -0.64, 95% CI -0.65 - -0.61, p <0.001). In contrast, as many as 92 (19.2%) physicians tolerated pregnancy even in the presence of residual high anti ds-DNA antibody titers. Female physicians are significantly more cautious about pregnancy than male when patients have a serologically high activity (12% vs 37.5%, p<0.001). There were no significant differences in specialty status or clinical experience.ConclusionWe found that even mild serological activity alone had a significant negative effect on the physician’s decision to allow pregnancy. We conclude that current physicians make cautious decisions about pregnancies of patients with SLE following the recommendation. On the other hand, an additional investigation should be performed about the results of pregnancies in patients with serological abnormalities, since there are some physicians who thought that pregnancy may be acceptable for patients with only serological abnormalities if the clinical symptoms are stable.References[1]Ann Rheum Dis.2017 Mar;76(3):476-485AcknowledgementsI would like to express my gratitude to the members of Japan College of Rheumatology who cooperated in filling out the questionnaire.Disclosure of InterestsSakiko Isojima: None declared, Nobuyuki Yajima: None declared, Ryo Yanai: None declared, Yoko Miura: None declared, Shingo Fukuma: None declared, Kayoko Kaneko: None declared, Keishi Fujio: None declared, Kenji Oku: None declared, Masakazu Matsushita: None declared, Takako Miyamae: None declared, Takashi Wada: None declared, Yuko Kaneko: None declared, Yoshiya Tanaka Speakers bureau: Y. Tanaka has received speaking fees and/or honoraria from Gilead, Abbvie, Behringer-Ingelheim, Eli Lilly, Mitsubishi-Tanabe, Chugai, Amgen, YL Biologics, Eisai, Astellas, Bristol-Myers, Astra-Zeneca, Grant/research support from: Y. Tanaka has received research grants from Asahi-Kasei, Abbvie, Chugai, Mitsubishi-Tanabe, Eisai, Takeda, Corrona, Daiichi-Sankyo, Kowa, Behringer-Ingelheim, and consultant fee from Eli Lilly, Daiichi-Sankyo, Taisho, Ayumi, Sanofi, GSK, Abbvie., Ayako Nakajima: None declared, ATSUKO MURASHIMA: None declared
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15
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Ishijima M, Nakamura T, Shimizu K, Hayashi K, Kikuchi H, Soen S, Omori G, Yamashita T, Uchio Y, Chiba J, Ideno Y, Kubota M, Kaneko H, Kurosawa H, Kaneko K. Different changes in the biomarker C-terminal telopeptides of type II collagen (CTX-II) following intra-articular injection of high molecular weight hyaluronic acid and oral non-steroidal anti-inflammatory drugs in patients with knee osteoarthritis: a multi-center randomized controlled study. Osteoarthritis Cartilage 2022; 30:852-861. [PMID: 35331859 DOI: 10.1016/j.joca.2022.03.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 02/28/2022] [Accepted: 03/14/2022] [Indexed: 02/02/2023]
Abstract
OBJECTIVES We previously reported, based on a multicenter randomized-control study, that the efficacy of intra-articular injections of hyaluronic acid (IA-HA) was not inferior to that of oral non-steroidal anti-inflammatory drugs (NSAIDs) in patients with knee osteoarthritis (OA). However, the molecular effects on the pathophysiology of knee OA remain unclear. C-terminal telopeptides of type II collagen (CTX-II) is reported to primarily originate from the interface between articular cartilage and subchondral bone, which is a site of potential remodeling in OA. We performed a predefined sub-analysis of the previous study to compare the changes of urinary CTX-II (uCTX-II) in response to IA-HA to those in response to NSAID for knee OA. DESIGN A total of 200 knee OA patients were registered from 20 hospitals and randomized to receive IA-HA (2,700 kDa HA, 5 times at 1-week intervals) or NSAID (loxoprofen sodium, 180 mg/day) for 5 weeks. The uCTX-II levels were measured before and after treatment. RESULTS The uCTX-II levels were significantly increased by IA-HA treatment (337.7 ± 193.8 to 370.7 ± 234.8 ng/μmol Cr) and were significantly reduced by NSAID treatment (423.2 ± 257.6 to 370.3 ± 250.9 ng/μmol Cr). The %changes of uCTX-II induced by IA-HA (11.6 ± 29.5%) and NSAID (-9.0 ± 26.7%) was significantly different (between-group difference: 20.6, 95% confidence intervals: 10.6 to 30.6). CONCLUSIONS While both IA-HA and NSAID improved symptoms of knee OA, uCTX-II levels were increased by IA-HA and reduced by NSAIDs treatment, suggesting these treatments may improve symptoms of knee OA through different modes of action.
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Affiliation(s)
- M Ishijima
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - T Nakamura
- Department of Orthopaedic Surgery, University of Occupational and Environmental Health, Fukuoka, Japan.
| | - K Shimizu
- Department of Orthopaedic Surgery, Gifu University, School of Medicine, Gifu, Japan.
| | - K Hayashi
- Department of Laboratory Sciences, School of Health Sciences, Faculty of Medicine, Gunma University, Gunma, Japan.
| | - H Kikuchi
- Department of Orthopaedic Surgery, Kinki University Sakai Hospital, Osaka, Japan.
| | - S Soen
- Department of Orthopaedic Surgery and Rheumatology, Nara Hospital, Kinki University Faculty of Medicine, Ikoma, Japan; Department of Laboratory Sciences, School of Health Sciences, Faculty of Medicine, Gunma University, Gunma, Japan.
| | - G Omori
- Center of Transdisciplinary Research, Institute for Research Promotion, Niigata University, Niigata, Japan.
| | - T Yamashita
- Department of Orthopaedic Surgery, Sapporo Medical University School of Medicine, Hokkaido, Japan.
| | - Y Uchio
- Department of Orthopaedic Surgery, Faculty of Medicine, Shimane University School of Medicine, Shimane, Japan.
| | - J Chiba
- Department of Orthopaedic Surgery, Tokyo Women's Medical University, Medical Center East, Tokyo, Japan.
| | - Y Ideno
- Center of Mathematics and Data Sciences, Gunma University, Maebashi, Japan.
| | - M Kubota
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - H Kaneko
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - H Kurosawa
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - K Kaneko
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan.
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Naruse K, Maruyama T, Aono T, Okada T, Suzuki S, Kaneko K, Sato T, Muto I, Hasegawa M, Ichikawa H, Takizawa K, Nakano M, Shimada Y, Sakata J, Wakai T. [A Case of Surgical Resection of Anaplastic Carcinoma of the Pancreas(Pleomorphic Cell Type)with Poor Response to Neoadjuvant Chemotherapy]. Gan To Kagaku Ryoho 2021; 48:1601-1603. [PMID: 35046269] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
A 62-year-old man was incidentally found to have a pancreatic tumor by CT. He was diagnosed with pancreatic cancer by EUS-FNAB. Gemcitabine(GEM)plus nab-paclitaxel(PTX)was started as neoadjuvant chemotherapy(NAC)for resectable pancreatic cancer. However, after the end of the second course, the tumor grew rapidly and invaded the stomach, so NAC was discontinued, and surgery was performed. The pathological diagnosis was anaplastic ductal carcinoma of the pleomorphic cell type, and the histological response was Grade 1a. Multiple liver metastases appeared during adjuvant chemotherapy with S-1, so GEM plus nab-PTX and modified FOLFIRINOX were administered, but the therapeutic response was poor, the patient died 9 months after surgery. Anaplastic carcinoma has a poor response to chemotherapy and may be included with cancers showing treatment resistance to NAC, as seen in our case. It is necessary to pay attention to anaplastic carcinoma during the course of NAC for pancreatic cancer.
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Affiliation(s)
- Kana Naruse
- Dept. of Surgery, Niigata Prefectural Central Hospital
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17
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Sato T, Magara R, Kaneko K, Muto I, Sakai T. [Breast Cancer Metastasis to the Mesentery Diagnosed Via Laparoscopic Biopsy-A Case Report]. Gan To Kagaku Ryoho 2021; 48:1561-1563. [PMID: 35046256] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Breast cancer can metastasize to organs all over the body, but isolated mesenteric metastases are rare. A 72-year-old female, with a history of invasive lobular carcinoma of the breast treated with breast-conserving therapy and axillary lymphadenectomy 7 years previously and 5 years of endocrine therapy, presented with asymptomatic elevated serum carcino- embryonic antigen. Computed tomography(CT)revealed no obvious distant metastasis, but showed increased adipose tissue density around the pancreas suggestive of acute pancreatitis. During follow-up, in addition to the abnormality around the pancreas, mild thickening of the mesentery was observed on CT. Definitive diagnosis of mesenteric metastasis of invasive lobular carcinoma was confirmed via laparoscopic biopsy. It was supposed that the breast cancer had first metastasized to the retroperitoneum via the hematogenous route, and had then directly infiltrated the mesentery. Laparoscopic biopsy is effective for diagnosis of intra-peritoneal metastases.
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Affiliation(s)
- Tomoi Sato
- Dept. of Surgery, Niigata Prefectural Central Hospital
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Krez A, Lane J, Heilbronner A, Park-Min KH, Kaneko K, Pannellini T, Mintz D, Hansen D, McMahon DJ, Kirou KA, Roboz G, Desai P, Bockman RS, Stein EM. Risk factors for multi-joint disease in patients with glucocorticoid-induced osteonecrosis. Osteoporos Int 2021; 32:2095-2103. [PMID: 33877383 PMCID: PMC8056829 DOI: 10.1007/s00198-021-05947-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Accepted: 04/01/2021] [Indexed: 12/24/2022]
Abstract
UNLABELLED This study investigated risk factors for osteonecrosis involving multiple joints (MJON) among glucocorticoid-treated patients. The best predictor of MJON was cumulative oral glucocorticoid dose. Risk of MJON was 12-fold higher in patients who had a second risk factor for osteonecrosis. Further research is needed into strategies for prevention of MJON. INTRODUCTION Osteonecrosis (ON) is a debilitating musculoskeletal condition in which bone cell death can lead to mechanical failure. When multiple joints are affected, pain and disability are compounded. Glucocorticoid treatment is one of the most common predisposing factors for ON. This study investigated risk factors for ON involving multiple joints (MJON) among glucocorticoid-treated patients. METHODS Fifty-five adults with glucocorticoid-induced ON were prospectively enrolled. MJON was defined as ON in ≥ three joints. Route, dose, duration, and timing of glucocorticoid treatment were assessed. RESULTS Mean age of enrolled subjects was 44 years, 58% were women. Half had underlying conditions associated with increased ON risk: systemic lupus erythematosus (29%), acute lymphoblastic leukemia (11%), HIV (9%), and alcohol use (4%). Mean daily oral dose of glucocorticoids was 29 mg. Average cumulative oral dose was 30 g over 5 years. The best predictor of MJON was cumulative oral glucocorticoid dose. For each increase of 1,000 mg, risk of MJON increased by 3.2% (95% CI 1.03, 1.67). Glucocorticoid exposure in the first 6 months of therapy, peak dose (oral or IV), and mean daily dose did not independently increase risk of MJON. The risk of MJON was 12-fold in patients who had a second risk factor (95% CI 3.2, 44.4). CONCLUSIONS Among patients with glucocorticoid-induced ON, cumulative oral dose was the best predictor of multi-joint disease; initial doses of IV and oral glucocorticoids did not independently increase risk. Further research is needed to better define optimal strategies for prevention and treatment of MJON.
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Affiliation(s)
- A Krez
- Endocrinology Service, Hospital for Special Surgery, 535 East 70th Street, New York, NY, USA
- Metabolic Bone Disease Service, Hospital for Special Surgery, New York, NY, 10021, USA
| | - J Lane
- Metabolic Bone Disease Service, Hospital for Special Surgery, New York, NY, 10021, USA
- Department of Orthopedic Surgery, Hospital for Special Surgery, New York, NY, USA
| | - A Heilbronner
- Endocrinology Service, Hospital for Special Surgery, 535 East 70th Street, New York, NY, USA
- Metabolic Bone Disease Service, Hospital for Special Surgery, New York, NY, 10021, USA
| | - K-H Park-Min
- Arthritis and Tissue Degeneration Program, David Z. Rosensweig Genomic Research Center, Hospital for Special Surgery, New York, NY, USA
| | - K Kaneko
- Arthritis and Tissue Degeneration Program, David Z. Rosensweig Genomic Research Center, Hospital for Special Surgery, New York, NY, USA
| | - T Pannellini
- Research Division, Hospital for Special Surgery, New York, NY, USA
| | - D Mintz
- Department of Radiology and Imaging, Hospital for Special Surgery, New York, NY, USA
| | - D Hansen
- Metabolic Bone Disease Service, Hospital for Special Surgery, New York, NY, 10021, USA
- Department of Orthopedic Surgery, Hospital for Special Surgery, New York, NY, USA
| | - D J McMahon
- Endocrinology Service, Hospital for Special Surgery, 535 East 70th Street, New York, NY, USA
- Metabolic Bone Disease Service, Hospital for Special Surgery, New York, NY, 10021, USA
| | - K A Kirou
- Division of Rheumatology, Hospital for Special Surgery, New York, NY, USA
| | - G Roboz
- Department of Hematology and Oncology, Weill Cornell Medical Center, New York, NY, USA
| | - P Desai
- Department of Hematology and Oncology, Weill Cornell Medical Center, New York, NY, USA
| | - R S Bockman
- Endocrinology Service, Hospital for Special Surgery, 535 East 70th Street, New York, NY, USA
- Metabolic Bone Disease Service, Hospital for Special Surgery, New York, NY, 10021, USA
| | - E M Stein
- Endocrinology Service, Hospital for Special Surgery, 535 East 70th Street, New York, NY, USA.
- Metabolic Bone Disease Service, Hospital for Special Surgery, New York, NY, 10021, USA.
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Guarner-Argente C, Ikematsu H, Osera S, Fraile M, Ibañez B, Marra-López C, Jerusalén-Gargallo C, Alonso Aguirre PA, Martinez-Ares D, Soto S, Ramos Zabala F, Alvarez-Gonzalez MA, Rodriguez Sánchez J, Múgica F, Nogales Rincon O, Herreros de Tejada A, Redondo-Cerezo E, Martínez-Cara J, López-Rosés L, Rodriguez-Tellez M, Garcia-Bosch O, de la Peña J, Pellisé M, Rivero-Sanchez L, Saperas E, Pérez-Roldán F, Lopez Viedma B, González-Santiago JM, Álvarez Delgado A, Cobian C, Pardeiro R, Valdivielso Cortázar E, Colan-Hernandez J, Gordillo J, Kaneko K, Albéniz E. Location, morphology and invasiveness of lateral spreading tumors in the colorectum differ between two large cohorts from an eastern and western country. Gastroenterol Hepatol 2021; 45:440-449. [PMID: 34400187 DOI: 10.1016/j.gastrohep.2021.07.005] [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] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 06/30/2021] [Accepted: 07/16/2021] [Indexed: 11/27/2022]
Abstract
BACKGROUND AND STUDY AIMS Data from Japanese series show that surface morphology of laterally spreading tumors (LST) in the colon identifies lesions with different incidence and pattern of submucosal invasion. Such data from western countries are scarce. We compared clinical and histological features of LST in a western country and an eastern country, with special interest on mucosal invasiveness of LST, and investigated the effect of clinical factors on invasiveness in both countries. PATIENTS AND METHODS Patients with LST lesions ≥20mm were included from a multicenter prospective registry in Spain and from a retrospective registry from the National Cancer Center Hospital East, Japan. The primary outcome was the presence of submucosal invasion in LST. The secondary outcome was the presence of high-risk histology, defined as high-grade dysplasia or submucosal invasion. RESULTS We evaluated 1102 patients in Spain and 663 in Japan. Morphological and histological characteristics differed. The prevalence of submucosal invasion in Japan was six-fold the prevalence in Spain (Prevalence Ratio PR=5.66; 95%CI: 3.96, 8.08), and the prevalence of high-risk histology was 1.5 higher (PR=1.44; 95%CI: 1.31, 1.58). Compared to the granular homogeneous type and adjusted by clinical features, granular mixed, flat elevated, and pseudo-depressed types were associated with higher odds of submucosal invasion in Japan, whereas only the pseudo-depressed type showed higher risk in Spain. Regarding high-risk histology, both granular mixed and pseudo-depressed were associated with higher odds in Japan, compared with only the granular mixed type in Spain. CONCLUSION This study reveals differences in location, morphology and invasiveness of LST in an eastern and a western cohort.
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Affiliation(s)
| | - Hiroaki Ikematsu
- Division of Endoscopy and Gastrointestinal Oncology, National Cancer Center Hospital East, Japan
| | - Shozo Osera
- Gastroenterology Department, Saku Central Hospital Advanced Care Center, Japan
| | - Maria Fraile
- Gastroenterology Department, Hospital de San Pedro, Logroño, Spain
| | - Berta Ibañez
- Statistics, NavarraBiomed-Fundación Miguel Servet-IDISNA, Pamplona, Spain
| | - Carlos Marra-López
- Gastroenterology Department, Complejo Hospitalario de Navarra, Pamplona, Spain
| | | | | | - David Martinez-Ares
- Gastroenterology Department, Complejo Hospitalario de Vigo Hospital Xeral, Spain
| | - Santiago Soto
- Gastroenterology Department, Complexo Hospitalario de Ourense, Spain
| | - Felipe Ramos Zabala
- Gastroenterology Department, HM Monteprincipe University Hospital, Madrid, Spain
| | | | | | - Fernando Múgica
- Gastroenterology Department, Hospital Universitario de Donostia, Spain
| | - Oscar Nogales Rincon
- Department of Gastroenterology and Hepatology, HGU Gregorio Marañon, Madrid, Spain
| | | | | | - Juan Martínez-Cara
- Gastroenterology Department, Virgen de las Nieves Hospital, Granada, Spain
| | | | | | - Orlando Garcia-Bosch
- Gastroenterology Department, Hospital Sant Joan Despi Moises Broggi, Barcelona, Spain
| | | | - María Pellisé
- Gastroenterology Department, Hospital Clínic de Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Spain
| | - Liseth Rivero-Sanchez
- Gastroenterology Department, Hospital Clínic de Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Spain
| | - Esteve Saperas
- Gastroenterology Department, Hospital General de Catalunya, Barcelona, Spain
| | | | | | | | | | - Carol Cobian
- Gastroenterology Department, Hospital Universitario de Donostia, Spain
| | | | | | - Juan Colan-Hernandez
- Gastroenterology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Jordi Gordillo
- Gastroenterology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Kazuhiro Kaneko
- Division of Endoscopy and Gastrointestinal Oncology, National Cancer Center Hospital East, Japan
| | - Eduardo Albéniz
- Gastroenterology Department, Complejo Hospitalario de Navarra, Pamplona, Spain; Navarrabiomed, Universidad Pública de Navarra, IdiSNa, Pamplona, Spain.
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20
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Takayanagi F, Fukuuchi T, Yamaoka N, Kaneko K. Measurement of the total purine contents and free nucleosides, nucleotides, and purine bases composition in Japanese anchovies ( Engraulis japonicus) using high-performance liquid chromatography with UV detection. Nucleosides Nucleotides Nucleic Acids 2021; 39:1458-1464. [PMID: 33231138 DOI: 10.1080/15257770.2020.1809674] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Dietary purine restrictions are recommended for patients with hyperuricemia and gout. While measuring the purine contents of various foods in our laboratory using high-performance liquid chromatography (HPLC), we observed and reported changes in purine composition. In this study, we measured the total purine content and free purine of raw anchovies as well as after fermentation, using two methods by HPLC. Method 1 involved acid hydrolysis of all purines, such as nucleic acids and nucleotides, to form four corresponding purine bases. Method 2, which is a non-hydrolysis method, is used to measure the amount of free purines (nucleotide, nucleoside, purine base). As a result of method 1, after fermentation, adenine-related and hypoxanthine-related purines and the total purine levels decreased significantly. Regardless of being raw or fermented, each anchovy contained mainly hypoxanthine- and guanine-related purines. Among the hypoxanthine-related purines, the results of method 2 revealed that the raw anchovies contained a lot of inosine monophosphate (IMP), while after fermentation contained more inosine. In guanine-related and adenine-related purines, those nucleotides decreased by fermentation and nucleosides and bases increased. Measurements of free purines revealed that those reductions after fermentation observed in method 1 were derived from decreased nucleotides. These results indicate that purines are affected by the fermentation bacteria and period.
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Affiliation(s)
- F Takayanagi
- Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma-Science, Teikyo University, Tokyo, Japan
| | - T Fukuuchi
- Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma-Science, Teikyo University, Tokyo, Japan
| | - N Yamaoka
- Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma-Science, Teikyo University, Tokyo, Japan
| | - K Kaneko
- Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma-Science, Teikyo University, Tokyo, Japan
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21
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Lee J, Xu XX, Kaneko K, Sun Y, Lin CJ, Sun LJ, Liang PF, Li ZH, Li J, Wu HY, Fang DQ, Wang JS, Yang YY, Yuan CX, Lam YH, Wang YT, Wang K, Wang JG, Ma JB, Liu JJ, Li PJ, Zhao QQ, Yang L, Ma NR, Wang DX, Zhong FP, Zhong SH, Yang F, Jia HM, Wen PW, Pan M, Zang HL, Wang X, Wu CG, Luo DW, Wang HW, Li C, Shi CZ, Nie MW, Li XF, Li H, Ma P, Hu Q, Shi GZ, Jin SL, Huang MR, Bai Z, Zhou YJ, Ma WH, Duan FF, Jin SY, Gao QR, Zhou XH, Hu ZG, Wang M, Liu ML, Chen RF, Ma XW. Large Isospin Asymmetry in ^{22}Si/^{22}O Mirror Gamow-Teller Transitions Reveals the Halo Structure of ^{22}Al. Phys Rev Lett 2020; 125:192503. [PMID: 33216609 DOI: 10.1103/physrevlett.125.192503] [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] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 07/26/2020] [Accepted: 09/14/2020] [Indexed: 06/11/2023]
Abstract
β-delayed one-proton emissions of ^{22}Si, the lightest nucleus with an isospin projection T_{z}=-3, are studied with a silicon array surrounded by high-purity germanium detectors. Properties of β-decay branches and the reduced transition probabilities for the transitions to the low-lying states of ^{22}Al are determined. Compared to the mirror β decay of ^{22}O, the largest value of mirror asymmetry in low-lying states by far, with δ=209(96), is found in the transition to the first 1^{+} excited state. Shell-model calculation with isospin-nonconserving forces, including the T=1, J=2, 3 interaction related to the s_{1/2} orbit that introduces explicitly the isospin-symmetry breaking force and describes the loosely bound nature of the wave functions of the s_{1/2} orbit, can reproduce the observed data well and consistently explain the observation that a large δ value occurs for the first but not for the second 1^{+} excited state of ^{22}Al. Our results, while supporting the proton-halo structure in ^{22}Al, might provide another means to identify halo nuclei.
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Affiliation(s)
- J Lee
- Department of Physics, The University of Hong Kong, Hong Kong, China
| | - X X Xu
- Department of Physics, The University of Hong Kong, Hong Kong, China
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516003, China
| | - K Kaneko
- Department of Physics, Kyushu Sangyo University, Fukuoka 813-8503, Japan
| | - Y Sun
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
- School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
| | - C J Lin
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
- College of Physics and Technology, Guangxi Normal University, Guilin 541004, China
| | - L J Sun
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
- School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA
| | - P F Liang
- Department of Physics, The University of Hong Kong, Hong Kong, China
| | - Z H Li
- School of Physic and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China
| | - J Li
- School of Physic and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China
| | - H Y Wu
- School of Physic and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China
| | - D Q Fang
- Key Laboratory of Nuclear Physics and Ion-Beam Application (MOE), Institute of Modern Physics, Fudan University, Shanghai 200433, China
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - J S Wang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- School of Science, Huzhou University, Huzhou 313000, China
| | - Y Y Yang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - C X Yuan
- Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-Sen University, Zhuhai 519082, China
| | - Y H Lam
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Y T Wang
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
- Institute of Particle and Nuclear Physics, Henan Normal University, Xinxiang, 453007, China
| | - K Wang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - J G Wang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - J B Ma
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - J J Liu
- Department of Physics, The University of Hong Kong, Hong Kong, China
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - P J Li
- Department of Physics, The University of Hong Kong, Hong Kong, China
| | - Q Q Zhao
- Department of Physics, The University of Hong Kong, Hong Kong, China
| | - L Yang
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - N R Ma
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - D X Wang
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - F P Zhong
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - S H Zhong
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - F Yang
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - H M Jia
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - P W Wen
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
| | - M Pan
- Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
- School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China
| | - H L Zang
- School of Physic and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China
| | - X Wang
- School of Physic and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China
| | - C G Wu
- School of Physic and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China
| | - D W Luo
- School of Physic and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China
| | - H W Wang
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - C Li
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - C Z Shi
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - M W Nie
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - X F Li
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - H Li
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - P Ma
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Q Hu
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - G Z Shi
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - S L Jin
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - M R Huang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Z Bai
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Y J Zhou
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - W H Ma
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - F F Duan
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - S Y Jin
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Q R Gao
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - X H Zhou
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516003, China
| | - Z G Hu
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516003, China
| | - M Wang
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516003, China
| | - M L Liu
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - R F Chen
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - X W Ma
- CAS Key Laboratory of High Precision Nuclear Spectroscopy, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
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Watanabe T, Abe K, Ishikawa M, Ishikawa T, Imakiire S, Ohtsubo T, Kaneko K, Fukuuchi T, Tsutsui H. Hyperuricemia impaired nitric oxide bioavailablity and deteriorated pulmonary arterial hypertension via a uric acid transporter, URATv1 in xanthine oxidoreductase (XOR)-independent manner. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.3804] [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: 11/13/2022] Open
Abstract
Abstract
Background
Hyperuricemia occurs in approximately 80% in patients with pulmonary arterial hypertension (PAH) and is positively correlated with pulmonary arterial pressure (PAP). It has been reported that uric acid (UA) reduced endothelium derived nitric oxide (NO) production in porcine pulmonary arterial endothelial cells (PAEC). However, the effects of UA and xanthine oxidoreductase (XOR), catalytic enzyme of UA, on the development of PAH have not been fully elucidated.
Purpose
We examined the followings; (1) the effects of hyperuricemia on the endothelial function and the development of PAH in rats (2) the therapeutic effects of UA transporter inhibitor on PAH in rats, and (3) the role of XOR in PAH in mice.
Methods
We used normal and 5-wk Sugen5416/Hypoxia/Normoxia-exposed (SU/Hx/Nx) rats. Gene expression levels of URATv1, a UA transporter, were measured by RT-PCR. We determined the isometric tension of PA rings isolated from normal rats. The study with the isolated perfused lung preparation was performed in SU/HX/Nx rats. To investigate the chronic effect of UA on the development of PAH, hyperuricemia was induced by the administration of 2% oxonic acid (OA) in diet for 6-wk. Benzbromarone (BBR, 10mg/kg/day, diet, from weeks 0 to 5), a URATv1 transporter inhibitor, was administered in the SU/Hx/Nx-rats with or without 2%OA. To examine the role of XOR in PAH, XOR+/− and wild type (WT) mice were exposed to 3-wk Nx or Hx (10% O2).
Results
The mRNA of URATv1 was detected in the normal lungs. Isometric tension study showed that UA (8 mg/dl) inhibited acetylcholine-induced vasorelaxation. In perfused lung preparations, UA acutely increased estimated PVR in a dose-dependent manner (1.6–16.0mg/dl) with reducing cGMP levels in the lungs. BBR significantly attenuated the pressor response to UA. UA levels in the plasma and the lung tissues were significantly elevated in SU/Hx/Nx-rats with 2%OA (normal vs. vehicle vs. 2%OA, plasma: 0.24±0.01 vs. 0.80±0.14 and 1.44±0.17 mg/dl; lung tissues: 68±3 vs. 142±3 and 377±46 pmol/g tissue). They exhibited further elevation of right ventricle systolic pressure (RVSP) (31±2 vs. 72±6 vs. 101±3 mmHg) and Ea (a marker of RV afterload) (0.24±0.04 vs. 0.97±0.15 vs. 2.36±0.49 mmHg/μL) with the exacerbation of occlusive lesions of PAs. BBR had no changes in the UA levels in the plasma (1.93±0.30 mg/dL), but significantly reduced the UA levels in the lung tissues (101±10 pmol/g tissue) and attenuated the increase in RVSP (53±8mmHg) and Ea (0.21±0.05 mmHg/mL) in the SU/Hx/Nx-rats with 2%OA. On the other hand, BBR had no effects on RVSP (76±7 mmHg) and Ea (0.91±0.15 mmHg/mL) in the SU/Hx/Nx-rats without 2%OA. There were no significant differences in RVSP between XOR+/− mice with Hx and WT with Hx (26±2 vs. 26±2 mmHg).
Conclusions
Hyperuricemia itself impairs endothelial function and deteriorates PAH via URATv1 in a XOR-independent manner. UA can be a novel therapeutic target for PAH.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- T Watanabe
- Kyushu University Hospital, Fukuoka, Japan
| | - K Abe
- Kyushu University Hospital, Fukuoka, Japan
| | - M Ishikawa
- Fukuoka Children's Hospital, Fukuoka, Japan
| | - T Ishikawa
- Kyushu University Hospital, Fukuoka, Japan
| | - S Imakiire
- Kyushu University Hospital, Fukuoka, Japan
| | - T Ohtsubo
- Fukuoka Red Cross Hospital, Fukuoka, Japan
| | - K Kaneko
- Teikyo University, Faculty of Pharma-Science, Tokyo, Japan
| | - T Fukuuchi
- Teikyo University, Faculty of Pharma-Science, Tokyo, Japan
| | - H Tsutsui
- Kyushu University Hospital, Fukuoka, Japan
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Yamada N, Saito C, Kano H, Fukuuchi T, Yamaoka N, Kaneko K, Asami Y. Lactobacillus gasseri PA-3 directly incorporates purine mononucleotides and utilizes them for growth. Nucleosides Nucleotides Nucleic Acids 2020; 41:221-230. [PMID: 32954967 DOI: 10.1080/15257770.2020.1815768] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Lactococcus lactis has been reported unable to directly incorporate mononucleotides but instead requires their external dephosphorylation by nucleotidases to the corresponding nucleosides prior to their incorporation. Although Lactobacillus gasseri PA-3 (PA-3), a strain of lactic acid bacteria, has been found to incorporate purine mononucleotides such as adenosine 5'-monophosphate (AMP), it remains unclear whether these bacteria directly incorporate these mononucleotides or incorporate them after dephosphorylation to the corresponding nucleosides. This study evaluated whether PA-3 incorporated radioactively-labeled mononucleotides in the presence or absence of the 5'-nucleotidase inhibitor α,β-methylene ADP (APCP). PA-3 took up 14C-AMP in the presence of APCP, as well as incorporating 32P-AMP. Furthermore, radioactivity was detected in the RNA/DNA of bacterial cells cultured in the presence of 32P-AMP. Taken together, these findings indicated that PA-3 incorporated purine mononucleotides directly rather than after their dephosphorylation to purine nucleosides and that PA-3 utilizes these purine mononucleotides in the synthesis of RNA and DNA. Although additional studies are required to identify purine mononucleotide transporters in PA-3, this study is the first to show that some lactic acid bacteria directly incorporate purine mononucleotides and use them for growth.
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Affiliation(s)
- N Yamada
- Food Microbiology Research Laboratories, R&D Division, Meiji Co., Ltd, Tokyo, Japan.,Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma Sciences, Teikyo University, Tokyo, Japan
| | - C Saito
- Food Microbiology Research Laboratories, R&D Division, Meiji Co., Ltd, Tokyo, Japan.,Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma Sciences, Teikyo University, Tokyo, Japan
| | - H Kano
- Food Microbiology Research Laboratories, R&D Division, Meiji Co., Ltd, Tokyo, Japan.,Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma Sciences, Teikyo University, Tokyo, Japan
| | - T Fukuuchi
- Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma Sciences, Teikyo University, Tokyo, Japan
| | - N Yamaoka
- Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma Sciences, Teikyo University, Tokyo, Japan
| | - K Kaneko
- Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma Sciences, Teikyo University, Tokyo, Japan
| | - Y Asami
- Food Microbiology Research Laboratories, R&D Division, Meiji Co., Ltd, Tokyo, Japan
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Yotsumoto D, Osako T, Matsuura M, Takayama S, Kaneko K, Takahashi M, Shimazu K, Yoshidome K, Kuraoka K, Itakura M, Tani M, Ishikawa T, Ohi Y, Kinoshita T, Sato N, Tsujimoto M, Tsuda H, Nakamura S, Noguchi S, Akiyama F. 180P Development of prognosis prediction model using cytokeratin 19 mRNA copy number of sentinel lymph node metastasis in breast cancer: A multicenter study in Japan. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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25
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Kawazoe M, Kaneko K, Nanki T. FRI0368 GLUCOCORTICOID THERAPY MIGHT SUPPRESS WNT SIGNALING BY REDUCING THE RATIO OF SERUM WNT3A TO WNT INHIBITORS, SFRP-1 AND WIF-1, AND IMPAIR BONE FORMATION. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.2531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Background:Glucocorticoids decrease bone density by multiple mechanisms, including suppression of bone formationviaWnt/β-catenin signaling. Binding of Wnt ligands to a specific receptor and its co-receptors is required for activation of the Wnt pathway, whereas this pathway is inactivated by some negative regulators of Wnt signaling. Sclerostin (Scl) and Dickkopf-1 (Dkk-1) bind to Wnt co-receptors, and secreted Frizzled-related protein 1 (sFRP-1) and Wnt inhibitory factor 1 (Wif-1) bind to Wnt ligand, thereby inactivating the Wnt pathway [1-4]. However, the detailed changes of Wnt signaling in patients with glucocorticoid-induced osteoporosis have not been clarified.Objectives:We measured serum levels of Scl, Dkk-1 and Wnt3a before and after starting glucocorticoid therapy in our previous study, and the results suggested that suppression of Wnt/β-catenin signaling by increasing serum Scl and Dkk-1 might impaired bone formation at least in the first week of the initiation of glucocorticoid therapy [5]. However, the involvement of Wnt signaling in subsequent suppression of bone formation was unclear. The objective of this study was to investigate the involvement of the Wnt/β-catenin signaling pathway and its clinical significance after the early phase of glucocorticoid therapy in glucocorticoid-induced osteoporosis.Methods:A total of 53 patients with systemic autoimmune diseases who received initial glucocorticoid therapy with prednisolone (30-60 mg daily) were prospectively enrolled. We measured serum levels of sFRP-1, Wif-1 and Wnt3a before starting glucocorticoid therapy and every week for four weeks after its initiation. Patients underwent measurement of bone mineral density (BMD) of the lumbar spine (L2-4) by dual-energy X-ray absorptiometry before starting therapy and after 16.3 ± 1.4 months (the mean ± SEM).Results:Serum sFRP-1 and Wif-1 level tended to decrease compared to before therapy from the first week. Serum level of Wnt3a also decreased from the first week. Both the ratio of Wnt3a to sFRP-1 and the ratio of Wnt3a to Wif-1 decreased from the first week onward. Moreover, we stratified the subjects into two groups according to the baseline serum sFRP-1 level at median and found that the decrease of BMD after initiation of glucocorticoid therapy in the High sFRP-1 group was larger than that in the Low sFRP-1 group. There was no difference in BMD changes between High Wif-1 and Low Wif-1 group, when stratified into two groups according to the median baseline serum Wif-1 level.Conclusion:Our previous study indicated that increase of Scl and Dkk-1 could inhibit Wnt signaling pathway in the early phase of glucocorticoid therapy. Current study suggested that the reduction in the ratio of Wnt3a to Wnt inhibitors, sFRP-1 and Wif-1, would suppress Wnt signaling, which might result in impairment of bone formation subsequent. Taken together, bone formation was impaired via suppressing Wnt signaling in patients treated with glucocorticoid. Furthermore, higher serum sFRP-1 level before glucocorticoid administration might be a predictor of future severity of glucocorticoid-induced osteoporosis.References:[1]Canalis E, et al. Osteoporos Int 2007; 18: 1319-1328.[2]Ke HZ, et al. Endocr Rev 2012; 33: 747-783.[3]Bodine PV, et al. J Cell Biochem 2005; 96: 1212-30.[4]Surmann-Schmitt C, et al. J Cell Sci 2009; 122: 3627-37.[5]Kawazoe M, et al. Clin Rheumatol 2018; 37: 2169-2178.[6]Wang FS, et al. Endocrinology 2005; 146: 2415-23.Disclosure of Interests:Mai Kawazoe: None declared, Kaichi Kaneko: None declared, Toshihiro Nanki Grant/research support from: Chugai Pharmaceutical Co., Eisai Co., Ltd., Teijin Pharma Ltd., Eli Lilly Japan K.K., Bristol-Myers K.K., Ono Pharmaceutical Co., Ltd., Novartis Pharma K.K., Asahikasei Pharma Corp., Mitsubishi-Tanabe Pharma Co., Astellas Pharma Inc., Ayumi Pharmaceutical Co., Pfizer Japan Inc., Daiichi Sankyo Co., Ltd., Shionogi & Co., Ltd., Sanofi K.K., Nippon Kayaku Co., Ltd., Yutoku Pharmaceutical Ind. Co., Ltd., UCB Japan Co. Ltd., Nihon Pharmaceutical Co., Ltd., and Bayer Yakuhin, Ltd., Consultant of: UCB Japan Co., Ltd., Eisai Co., Ltd., and Chugai Pharmaceutical Co., Speakers bureau: Mitsubishi-Tanabe Pharma Co., Chugai Pharmaceutical Co., Eisai Co., Ltd., Astellas Pharma Inc., Janssen Pharmaceutical K.K., Ayumi Pharmaceutical Co., Pfizer Japan Inc., Asahikasei Pharma Corp., Sanofi K.K., Novartis Pharma K.K., Eli Lilly Japan K.K., Nippon Kayaku Co., Ltd., Teijin Pharma Ltd., Takeda Pharmaceutical Co., Nippon Boehringer Ingelheim Co., Ltd., and AbbVie GK.
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Kano H, Saito C, Yamada N, Fukuuchi T, Yamaoka N, Kaneko K, Asami Y. Species-dependent patterns of incorporation of purine mononucleotides and nucleosides by lactic acid bacteria. Nucleosides Nucleotides Nucleic Acids 2020; 39:1440-1448. [PMID: 32397874 DOI: 10.1080/15257770.2020.1733604] [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] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Although most lactic acid bacteria do not directly incorporate purine nucleotides, the strain Lactobacillus gasseri PA-3 was found to incorporate purine mononucleotides. To determine whether the direct uptake of purine mononucleotides is dependent on the species or strain of lactic acid bacteria, incorporation of purine mononucleotides was assessed in L. gasseri, Lactcoccus lactis sbsp. lactis, Streptococcus thermophilus and other species of lactic acid bacteria. Each bacterial strain was incubated with 32P-AMP or 14C-adenosine and the incorporation of each purine was evaluated by measuring their radioactivity. All investigated strains of L. gasseri incorporated 32P-AMP, whereas strains of S. thermophilus and most strains of L. lactis did not. Incorporation of 32P-AMP into strains of Pediococcus was dependent on the strain or species of that genus of bacteria. All investigated strains, except for one strain of L. gasseri, incorporated 14C-adenosine, with S. thermophilus, L. lactis and Pediococcus generally displaying greater incorporation of 14C-adenosine than L. gasseri. Although most lactic acid bacteria such as S. thermophiles and L. lactis do not incorporate purine mononucleotides, some species such as L. gasseri directly incorporate purine mononucleotides. These findings indicate that the preferential incorporation of purine mononucleotides or nucleosides by lactic acid bacteria is dependent on the species or strain.
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Affiliation(s)
- H Kano
- Food Microbiology Research Laboratories, R&D Division, Meiji Co., Ltd, Tokyo, Japan
| | - C Saito
- Food Microbiology Research Laboratories, R&D Division, Meiji Co., Ltd, Tokyo, Japan
| | - N Yamada
- Food Microbiology Research Laboratories, R&D Division, Meiji Co., Ltd, Tokyo, Japan
| | - T Fukuuchi
- Faculty of Pharma Sciences, Teikyo University, Tokyo, Japan
| | - N Yamaoka
- Faculty of Pharma Sciences, Teikyo University, Tokyo, Japan
| | - K Kaneko
- Faculty of Pharma Sciences, Teikyo University, Tokyo, Japan
| | - Y Asami
- Food Microbiology Research Laboratories, R&D Division, Meiji Co., Ltd, Tokyo, Japan
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Uchiyama A, Nagatomo T, Higurashi Y, Ohnishi J, Komiyama M, Kumagai K, Fujimaki M, Yamauchi H, Tamura M, Kaneko K, Fukunishi N, Nakagawa T. Control system for the new RIKEN 28-GHz superconducting electron cyclotron resonance ion source for SRILAC. Rev Sci Instrum 2020; 91:025101. [PMID: 32113460 DOI: 10.1063/1.5129632] [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] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 01/11/2020] [Indexed: 06/10/2023]
Abstract
A new RIKEN 28-GHz superconducting electron cyclotron resonance ion source (SC-ECRIS) has been installed for the superconducting RIKEN linear accelerator (SRILAC). The new SC-ECRIS control system mainly consists of programmable logic controllers (PLCs) embedded with the Experimental Physics and Industrial Control System. To improve the reliability as compared with previous control systems, two types of PLC central processing units, sequential and Linux, have been installed in the same unit. Past experience has shown that new types of designs that can rapidly respond to system scalability are key. By connecting PLC stations using star-topology field buses, their rapid and cost-effective response to system changes is realized for the new devices. Furthermore, a unique data acquisition system employing a 920-MHz-band radio was developed to measure analog data such as the temperature at the high-voltage stage.
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Affiliation(s)
- A Uchiyama
- Nishina Center for Accelerator Based Science, RIKEN, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - T Nagatomo
- Nishina Center for Accelerator Based Science, RIKEN, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - Y Higurashi
- Nishina Center for Accelerator Based Science, RIKEN, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - J Ohnishi
- Nishina Center for Accelerator Based Science, RIKEN, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - M Komiyama
- Nishina Center for Accelerator Based Science, RIKEN, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - K Kumagai
- Nishina Center for Accelerator Based Science, RIKEN, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - M Fujimaki
- Nishina Center for Accelerator Based Science, RIKEN, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - H Yamauchi
- SHI Accelerator Service, Ltd., 1-17-6 Osaki, Shinagawa, Tokyo 141-0032, Japan
| | - M Tamura
- SHI Accelerator Service, Ltd., 1-17-6 Osaki, Shinagawa, Tokyo 141-0032, Japan
| | - K Kaneko
- SHI Accelerator Service, Ltd., 1-17-6 Osaki, Shinagawa, Tokyo 141-0032, Japan
| | - N Fukunishi
- Nishina Center for Accelerator Based Science, RIKEN, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - T Nakagawa
- Nishina Center for Accelerator Based Science, RIKEN, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
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Suehara Y, Sasa K, Okubo T, Hayashi T, Sano K, Kurihara T, Akaike K, Ishii M, Kim Y, Kaneko K, Saito T. Comparative analysis of protein profiles of prognosis-associated proteins and KIT-related proteins in gastrointestinal stromal tumour. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz433.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Yamamoto Y, Ichihara S, Suzuki M, Hara A, Hidalgo Díaz JJ, Maruyama Y, Kaneko K. Treatment of finger phalangeal fractures using the Ichi-Fixator system: A prospective study of 12 cases. Hand Surg Rehabil 2019; 38:302-306. [PMID: 31398489 DOI: 10.1016/j.hansur.2019.07.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 07/06/2019] [Accepted: 07/30/2019] [Indexed: 10/26/2022]
Abstract
External fixators are an effective treatment option for comminuted or unstable phalangeal fractures. We developed a new linked-wire type of external fixator (the Ichi-Fixator) for finger phalangeal fractures, which enables fine adjustment of the fixation under fluoroscopy guidance either in a static way or with distraction through small screws inside the fixator. This technique was designed to improve on the stability and rigidity of conventional percutaneous Kirchner wire fixation. We assessed the effectiveness of the fixator through 12 cases of open or percutaneous fixation in comminuted or unstable phalangeal fractures. All patients were examined for postoperative complications, functional recovery, pain on visual analog scale (VAS), and the Quick Disabilities of the Arm, Shoulder, and Hand (QuickDASH) score at the final follow-up visit. Patients could perform all routine activities with normal grip strength and a full range of hand motion without pain after treatment. This treatment, which reduces the postoperative discomfort and may allow an immediate return to work, will clearly boost patient satisfaction. Linked-wire type external fixation enhances the security of fixation, facilitates postoperative mobilization, and may allow an immediate return to work.
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Affiliation(s)
- Y Yamamoto
- Department of Orthopedic Surgery, Juntendo University, Tokyo, Japan
| | - S Ichihara
- Hand Surgery Center, Juntendo University Urayasu Hospital, 2-1-1 Tomioka, Urayasu, Chiba 279-0021, Japan.
| | - M Suzuki
- Hand Surgery Center, Juntendo University Urayasu Hospital, 2-1-1 Tomioka, Urayasu, Chiba 279-0021, Japan
| | - A Hara
- Hand Surgery Center, Juntendo University Urayasu Hospital, 2-1-1 Tomioka, Urayasu, Chiba 279-0021, Japan
| | - J J Hidalgo Díaz
- Hand Surgery Center, Hôpitaux Universitaires de Strasbourg, Strasbourg 67098, France
| | - Y Maruyama
- Department of Orthopedic Surgery, Juntendo University Urayasu Hospital, Chiba, Japan
| | - K Kaneko
- Department of Orthopedic Surgery, Juntendo University, Tokyo, Japan
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Shikano K, Kaneko K, Kaburaki K, Isobe K, Kawabe K, Homma S, Kawai S, Nanki T. Nivolumab-induced anti-aminoacyl-tRNA synthetase antibody-positive polymyositis complicated by interstitial pneumonia in a patient with lung adenocarcinoma. Scand J Rheumatol 2019; 49:82-83. [PMID: 31135242 DOI: 10.1080/03009742.2019.1596309] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- K Shikano
- Division of Rheumatology, Department of Internal Medicine, Toho University School of Medicine, Tokyo, Japan
| | - K Kaneko
- Division of Rheumatology, Department of Internal Medicine, Toho University School of Medicine, Tokyo, Japan
| | - K Kaburaki
- Division of Respiratory Medicine, Department of Internal Medicine, Toho University School of Medicine, Tokyo, Japan
| | - K Isobe
- Division of Respiratory Medicine, Department of Internal Medicine, Toho University School of Medicine, Tokyo, Japan
| | - K Kawabe
- Division of Neurology, Department of Internal Medicine, Toho University School of Medicine, Tokyo, Japan
| | - S Homma
- Division of Respiratory Medicine, Department of Internal Medicine, Toho University School of Medicine, Tokyo, Japan
| | - S Kawai
- Department of Inflammation and Pain Control Research, Toho University School of Medicine, Tokyo, Japan
| | - T Nanki
- Division of Rheumatology, Department of Internal Medicine, Toho University School of Medicine, Tokyo, Japan
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31
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Kaneko K, Kawai T, Watanabe N, Wada Y, Onodera M, Murashima A. Spontaneous recovery from suppressed B cell production and proliferation caused by intrauterine azathioprine exposure in the fetal period. Lupus 2019; 28:1027-1028. [PMID: 31126211 DOI: 10.1177/0961203319851862] [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: 11/16/2022]
Affiliation(s)
- K Kaneko
- 1 Division of Maternal Medicine, Center for Maternal-Fetal, Neonatal and Reproductive Medicine, National Center for Child Health and Development, Tokyo, Japan
| | - T Kawai
- 2 Department of Immunology, National Center for Child Health and Development, Tokyo, Japan
| | - N Watanabe
- 3 Department of Human Genetics, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Y Wada
- 4 Division of Neonatology, Center for Maternal-Fetal, Neonatal and Reproductive Medicine, National Center for Child Health and Development, Tokyo, Japan
| | - M Onodera
- 3 Department of Human Genetics, National Research Institute for Child Health and Development, Tokyo, Japan
| | - A Murashima
- 1 Division of Maternal Medicine, Center for Maternal-Fetal, Neonatal and Reproductive Medicine, National Center for Child Health and Development, Tokyo, Japan
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Kadota T, Seo S, Fuse H, Ishii G, Itoh K, Yano T, Kaneko K, Tsukasaki K. Complications and outcomes in diffuse large B-cell lymphoma with gastric lesions treated with R-CHOP. Cancer Med 2019; 8:982-989. [PMID: 30730104 PMCID: PMC6434211 DOI: 10.1002/cam4.1982] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2018] [Revised: 12/18/2018] [Accepted: 01/02/2019] [Indexed: 12/15/2022] Open
Abstract
Standard therapy for gastric diffuse large B‐cell lymphoma (DLBCL) is considered to be chemotherapy with or without involved‐field radiation therapy. Although R‐CHOP therapy alone is widely used for DLBCL with gastric lesions (DLBCL‐GL), the outcome and incidence of treatment‐related gastric complications following R‐CHOP are not well known. This study aimed to evaluate the outcome after R‐CHOP therapy in patients with gastric DLBCL including gastric complications and to identify risk factors for the complications. Consecutive patients with newly diagnosed DLBCL‐GL treated with R‐CHOP between 2003 and 2014 were retrospectively evaluated. DLBCL‐GL was defined only when pathologically confirmed in the stomach. Of the 96 patients with DLBCL‐GL, 63 patients were diagnosed with gastric symptoms. Eighty‐eight patients (92%) completed six to eight cycles of R‐CHOP. The complete remission (CR) rate was 86%, and 3‐year and 5‐year overall survival rates were 80% and 73%, respectively. Patients were well stratified according to the Revised International Prognostic Index (R‐IPI). Complication rate was 8% (8/96); seven patients had bleeding and three had stenosis. No patients had gastric perforation. Bleeding occurred during the first cycle of R‐CHOP in five patients (5/7, 71%). Patients with gastric complications had a lower R‐CHOP completion rate (50%, P = 0.001) and a lower CR rate (25%, P < 0.001) than those without complications. A low serum albumin level at diagnosis was the only risk factor identified for gastric complications (P = 0.001) and six of the eight patients with complications were shown to be at stage IV. Further studies of DLBCL‐GL are warranted to identify patients at high risk for gastric complications and to provide better treatment strategies.
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Affiliation(s)
- Tomohiro Kadota
- Department of Gastroenterology, Endoscopy Division, National Cancer Center Hospital East, Kashiwa, Japan.,Department of Hematology, National Cancer Center Hospital East, Kashiwa, Japan
| | - Sachiko Seo
- Department of Hematology, National Cancer Center Hospital East, Kashiwa, Japan.,Department of Hematology & Oncology, Dokkyo Medical University, Tochigi, Japan
| | - Hiroe Fuse
- Department of Hematology, Matsudo City General Hospital, Matsudo, Chiba, Japan
| | - Genichiro Ishii
- Division of Pathology, Exploratory Oncology Research & Clinical Trial Center (EPOC), National Cancer Center, Kashiwa, Chiba, Japan
| | - Kuniaki Itoh
- Department of Hematology, National Cancer Center Hospital East, Kashiwa, Japan.,Division of Hematology/Oncology, Kimitsu Chuo Hospital, Kisarazu, Japan
| | - Tomonori Yano
- Department of Gastroenterology, Endoscopy Division, National Cancer Center Hospital East, Kashiwa, Japan
| | - Kazuhiro Kaneko
- Department of Gastroenterology, Endoscopy Division, National Cancer Center Hospital East, Kashiwa, Japan
| | - Kunihiro Tsukasaki
- Department of Hematology, National Cancer Center Hospital East, Kashiwa, Japan.,Department of Hematology, International Medical Center, Saitama Medical University, Hidaka, Japan
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Suehara Y, Kohsaka S, Kurisaki A, Akaike K, Hayashi T, Mogushi K, Okubo T, Kim Y, Sato S, Kobayashi E, Kaneko K, Mano H, Saito T. Comprehensive mRNA-based screen for tyrosine kinase fusions and a de novo alternative transcription initiation site in soft tissue sarcomas. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy443.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Affiliation(s)
- H Yokoi
- Fukuoka Sanno Hospital, Cardiovascular Medicine, Fukuoka, Japan
| | - E Oda
- AC Medical Inc., Tokyo, Japan
| | - K Kaneko
- Medical Data Vision Co., Ltd., Tokyo, Japan
| | - H Matsuo
- Daiichi Sankyo Co., Ltd., Tokyo, Japan
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Ishii T, Miyauchi K, Nitta Y, Kaneko K, Maruyama T, Sato T. Mechanism for Decreased Gene Expression of β4-Galactosyltransferase 5 upon Differentiation of 3T3-L1 Mouse Preadipocytes to Adipocytes. Biol Pharm Bull 2018; 41:1463-1470. [PMID: 29984736 DOI: 10.1248/bpb.b18-00360] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Upon differentiation of cells, remarkable changes in the structures of glycans linked to lipids on cell surface have been observed. Lactosylceramide (Lac-Cer) serves as a common precursor for a series of glycosphingolipids with diverse structures. In the present study, we examined the underlying mechanism for the biosynthesis of Lac-Cer upon differentiation of 3T3-L1 mouse preadipocytes to adipocytes. TLC analysis showed that the amounts of Lac-Cer decrease in 3T3-L1 adipocytes compared to 3T3-L1 preadipocytes. In accordance with this change, the gene expression level of β4-galactosyltransferase (β4GalT) 5, which was identified as Lac-Cer synthase, decreased drastically upon differentiation of 3T3-L1 preadipocytes. The analysis of the transcriptional mechanism of the β4GalT5 gene demonstrated that the core promoter region is identified between nucleotides -299 and -1 relative to the translational start site. During adipocyte differentiation, the expression levels and promoter activities of the β4GalT5 gene decreased dramatically. Since the Specificity protein 1 (Sp1)-binding sites in the promoter region were critical for the promoter activity, it is suggested that Sp1 plays an important role for the expression of the β4GalT5 gene in 3T3-L1 cells. The gene and protein expression of Sp1 decreased significantly upon differentiation of 3T3-L1 preadipocytes. Taken together, the present study suggest that the expression of the β4GalT5 gene decreases through reduced expression of the Sp1 gene and protein upon differentiation of 3T3-L1 peradipocytes to adipocytes, which may lead to the decreased amounts of Lac-Cer in 3T3-L1 adipocytes.
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Affiliation(s)
- Takayuki Ishii
- Laboratory of Glycobiology, Department of Bioengineering, Nagaoka University of Technology
| | - Kana Miyauchi
- Laboratory of Glycobiology, Department of Bioengineering, Nagaoka University of Technology
| | - Yoshiharu Nitta
- Laboratory of Glycobiology, Department of Bioengineering, Nagaoka University of Technology
| | - Kazuhiro Kaneko
- Laboratory of Glycobiology, Department of Bioengineering, Nagaoka University of Technology
| | - Takuro Maruyama
- Laboratory of Glycobiology, Department of Bioengineering, Nagaoka University of Technology
| | - Takeshi Sato
- Laboratory of Glycobiology, Department of Bioengineering, Nagaoka University of Technology
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Maeda M, Maeda H, Iwase H, Kanda A, Morohashi I, Obayashi O, Kaneko K, Sato T, Arai Y. Dynamic motion and principal component analysis of step-over in patients with Musculoskeletal ambulation disability symptom complex (MADS). Ann Phys Rehabil Med 2018. [DOI: 10.1016/j.rehab.2018.05.1013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Takayanagi F, Fukuuchi T, Yamaoka N, Kaneko K. The observed variation in the purine composition of food after soaking in sake lees. Nucleosides Nucleotides Nucleic Acids 2018; 37:348-352. [PMID: 29750589 DOI: 10.1080/15257770.2018.1465185] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
In this study, we investigated the alterations in the purine composition of swordfish prepared using a traditional Japanese processing method of soaking in sake lees. These alterations are the byproducts of the yeast fermentation of rice-koji and are renowned for enhancing the umami nature of food. Using a conventional assay method for hydrolyzing all of the purines into four bases and our developed method for simultaneously analyzing purines, we observed the alterations in four purine bases in the soaked sake lees and swordfish. The findings showed that the total purine content, and hypoxanthine-related and guanine-related purines in swordfish decreased after soaking in sake lees. We also analyzed the free purine composition and showed that the ratio of IMP in swordfish was decreased by soaking, while that of inosine in sake lees was increased by soaking swordfish in it.
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Affiliation(s)
- F Takayanagi
- a Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma-Science , Teikyo University , Tokyo , Japan
| | - T Fukuuchi
- a Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma-Science , Teikyo University , Tokyo , Japan
| | - N Yamaoka
- a Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma-Science , Teikyo University , Tokyo , Japan
| | - K Kaneko
- a Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma-Science , Teikyo University , Tokyo , Japan
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Fukuuchi T, Iyama N, Yamaoka N, Kaneko K. Simultaneous quantification by HPLC of purines in umami soup stock and evaluation of their effects on extracellular and intracellular purine metabolism. Nucleosides Nucleotides Nucleic Acids 2018; 37:273-279. [PMID: 29652211 DOI: 10.1080/15257770.2018.1453074] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Ribonucleotide flavor enhancers such as inosine monophosphate (IMP) and guanosine monophosphate (GMP) provide umami taste, similarly to glutamine. Japanese cuisine frequently uses soup stocks containing these nucleotides to enhance umami. We quantified 18 types of purines (nucleotides, nucleosides, and purine bases) in three soup stocks (chicken, consommé, and dried bonito soup). IMP was the most abundant purine in all umami soup stocks, followed by hypoxanthine, inosine, and GMP. The IMP content of dried bonito soup was the highest of the three soup stocks. We also evaluated the effects of these purines on extracellular and intracellular purine metabolism in HepG2 cells after adding each umami soup stock to the cells. An increase in inosine and hypoxanthine was evident 1 h and 4 h after soup stock addition, and a low amount of xanthine and guanosine was observed in the extracellular medium. The addition of chicken soup stock resulted in increased intracellular and extracellular levels of uric acid and guanosine. Purine metabolism may be affected by ingredients present in soups.
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Affiliation(s)
- T Fukuuchi
- a Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma-Science , Teikyo University , Japan
| | - N Iyama
- a Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma-Science , Teikyo University , Japan
| | - N Yamaoka
- a Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma-Science , Teikyo University , Japan
| | - K Kaneko
- a Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma-Science , Teikyo University , Japan
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Niwa A, Kuwano S, Tomita H, Kimura K, Orihara Y, Kanayama T, Noguchi K, Hisamatsu K, Nakashima T, Hatano Y, Hirata A, Miyazaki T, Kaneko K, Tanaka T, Hara A. The different pathogeneses of sporadic adenoma and adenocarcinoma in non-ampullary lesions of the proximal and distal duodenum. Oncotarget 2018; 8:41078-41090. [PMID: 28467793 PMCID: PMC5522249 DOI: 10.18632/oncotarget.17051] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Accepted: 02/27/2017] [Indexed: 12/11/2022] Open
Abstract
Non-ampullary duodenal adenoma with activation of Wnt/β-catenin signalling is common in familial adenomatous polyposis (FAP) patients, whereas sporadic non-ampullary adenoma is uncommon. The adenoma-carcinoma sequence similar to colon cancer is associated with duodenal tumors in FAP, but not always in sporadic tumors. We obtained 37 non-ampullary duodenal tumors, including 25 adenomas and 12 adenocarcinomas, were obtained from biopsies and endoscopic resections. We performed immunohistochemistry for β-catenin, the hallmark of Wnt activation, and aldehyde dehydrogenase 1 (ALDH1), a putative cancer stem cell marker. In non-ampullary lesions, abnormal nuclear localization of β-catenin was observed in 21 (84.0%) of 25 adenomas and 4 (33.3%) of 12 adenocarcinomas. In the proximal duodenum, nuclear β-catenin was less frequent in both adenomas and adenocarcinomas. Gastric duodenal metaplasia (GDM) was observed only in the proximal duodenum. All adenomas with GDM were the gastric foveolar and pyloric gland types, and showed only membranous β-catenin. The intestinal-type adenomas had nuclear β-catenin in the proximal and distal duodenum. ALDH1-positive cells were more frequent in adenocarcinomas than adenomas. Nuclear β-catenin accumulation frequently occurred in ALDH1-positive cells in adenoma, but not in adenocarcinoma. In the non-ampullary proximal duodenum, Wnt/β-catenin pathway activation was more closely associated with adenomas than adenocarcinomas, and while it might cooperate with ALDH1 in adenoma, it does not in adenocarcinoma. The pathogenesis thus may differ between sporadic adenoma and adenocarcinoma of non-ampullary duodenal lesions, especially in the proximal and distal duodenum.
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Affiliation(s)
- Ayumi Niwa
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Seiya Kuwano
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Hiroyuki Tomita
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Keita Kimura
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Yukiya Orihara
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Tomohiro Kanayama
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Kei Noguchi
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Kenji Hisamatsu
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Takayuki Nakashima
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Yuichiro Hatano
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Akihiro Hirata
- Division of Animal Experiment, Life Science Research Center, Gifu University, Gifu, Japan
| | | | - Kazuhiro Kaneko
- Department of Gastroenterology, Endoscopy Division, National Cancer Center Hospital East, Kashiwa, Japan
| | - Takuji Tanaka
- Department of Diagnostic Pathology (DDP) and Research Center of Diagnostic Pathology (RC-DiP), Gifu Municipal Hospital, Gifu, Japan
| | - Akira Hara
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
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Niwa A, Kuwano S, Tomita H, Kimura K, Orihara Y, Kanayama T, Noguchi K, Hisamatsu K, Nakashima T, Hatano Y, Hirata A, Miyazaki T, Kaneko K, Tanaka T, Hara A. Correction: The different pathogenesis of sporadic adenoma and adenocarcinoma in non-ampullary lesions of the proximal and distal duodenum. Oncotarget 2018. [PMID: 29541424 PMCID: PMC5834291 DOI: 10.18632/oncotarget.24518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Affiliation(s)
- Ayumi Niwa
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Seiya Kuwano
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Hiroyuki Tomita
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Keita Kimura
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Yukiya Orihara
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Tomohiro Kanayama
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Kei Noguchi
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Kenji Hisamatsu
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Takayuki Nakashima
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Yuichiro Hatano
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Akihiro Hirata
- Division of Animal Experiment, Life Science Research Center, Gifu University, Gifu, Japan
| | | | - Kazuhiro Kaneko
- Department of Gastroenterology, Endoscopy Division, National Cancer Center Hospital East, Kashiwa, Japan
| | - Takuji Tanaka
- Department of Diagnostic Pathology (DDP) and Research Center of Diagnostic Pathology (RC-DiP), Gifu Municipal Hospital, Gifu, Japan
| | - Akira Hara
- Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu, Japan
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Masuda N, Sato N, Morimoto T, Ueno T, Kanbayashi C, Kaneko K, Yasojima H, Saji S, Sasano H, Morita S, Ohno S, Toi M. Abstract P3-13-06: Tailored neoadjuvant endocrine and chemo-endocrine therapy for postmenopausal patients with estrogen receptor-positive human epidermal growth factor receptor 2-negative primary breast cancer. Cancer Res 2018. [DOI: 10.1158/1538-7445.sabcs17-p3-13-06] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Aims We investigated the efficacy and safety of initial neoadjuvant endocrine therapy with exemestane (EXE) alone followed by subsequent tailored treatment with EXE alone for responders or EXE plus oral metronomic cyclophosphamide (CPA) for non-responders.
Methods In this multicenter open-label phase II study, we enrolled postmenopausal patients with primary invasive estrogen receptor (ER)-positive, HER2-negative, stage I–IIIA (T1c–T3 N0–2 M0) breast cancer and Ki67 index ≤ 30%. Patients first received EXE 25mg/day for 12 weeks. Based on clinical response and change in Ki67 index in response to the initial therapy, patients who achieved complete response (CR), partial response (PR) with Ki67 index ≤5% after treatment, or stable disease (SD) with Ki67 index ≤5% both before and after treatment were defined as responders. Non-responders were defined as patients with PR and Ki67 index >5% after treatment, or SD and Ki67 index >5% before or after treatment. For the subsequent 24 weeks, responders continued the EXE monotherapy (continued EXE group), whereas non-responders switched to combination therapy with EXE plus CPA 50mg/day (EXE+CPA group). The primary endpoint was clinical response (CR and PR) at weeks 24 and 36.
Results A total of 59 patients (median age 69 years, range 53–86 years) were enrolled between January 2011 and July 2015. After exclusion of 3 (2 with progressive disease, 1 with an adverse event, AE) who discontinued treatment in the initial 12-week EXE monotherapy period, 56 remained enrolled to receive subsequent treatment. After 8–12 weeks of the initial EXE monotherapy, 14 patients were classified as responders (9 with PR and Ki67 index ≤5% after treatment; 5 with SD and Ki67 index ≤5% before and after treatment), whereas 42 were classified as non-responders (3 with PR and Ki67 index >5% after treatment; 39 with SD and Ki67 index >5% before or after treatment). Clinical response rates at weeks 24 and 36 were 85% (12/14, 95%CI 57.2–98.2%) and 76% (10/13, 95%CI 46.2–95.0%), respectively, in the continued EXE group, and 56% (23/41, 95%CI 39.7–71.5%) and 76% (30/39, 95%CI 60.7–88.9%), respectively, in the EXE+CPA group. At week 36, no significant difference was found in median Ki67 index between the continued EXE and EXE+CPA groups (3.5% and 4.0%, respectively). The proportion of patients with preoperative endocrine prognostic index (PEPI) 0 was also similar between the continued EXE and EXE+CPA groups (21.4% and 23.8%, respectively). The breast-conserving surgery rate was 71.4% and 69.0%, respectively. Grade 3 AEs were elevated liver enzymes (1 patient) in the continued EXE group, and gastritis, hypertriglyceridemia, and bone mineral density loss (1 patient each) in the EXE+CPA group.
Conclusion Switching from EXE monotherapy to EXE+CPA combination therapy based on clinical response and biological response (change in Ki67 index) to initial therapy improved subsequent clinical response in non-responders. Favorable clinical response to EXE alone was maintained in responders. Tailored neoadjuvant endocrine and chemo-endocrine therapy was shown to be effective in postmenopausal ER-positive breast cancer patients. (JBCRG-11CPA; UMIN000004751)
Citation Format: Masuda N, Sato N, Morimoto T, Ueno T, Kanbayashi C, Kaneko K, Yasojima H, Saji S, Sasano H, Morita S, Ohno S, Toi M. Tailored neoadjuvant endocrine and chemo-endocrine therapy for postmenopausal patients with estrogen receptor-positive human epidermal growth factor receptor 2-negative primary breast cancer [abstract]. In: Proceedings of the 2017 San Antonio Breast Cancer Symposium; 2017 Dec 5-9; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2018;78(4 Suppl):Abstract nr P3-13-06.
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Affiliation(s)
- N Masuda
- National Hospital Organization Osaka National Hospital, Osaka, Japan; Niigata Cancer Center, Niigata, Japan; Yao Municipal Hospital, Yao, Osaka, Japan; School of Medicine, Kyorin University, Mitaka, Tokyo, Japan; Fukushima Medical University, Fukushima, Japan; Tohoku University, Sendai, Miyagi, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; Breast Oncology Center, Cancer Institute Hospital, Ariake, Tokyo, Japan; Graduate School of Medicine, Kyoto, Japan
| | - N Sato
- National Hospital Organization Osaka National Hospital, Osaka, Japan; Niigata Cancer Center, Niigata, Japan; Yao Municipal Hospital, Yao, Osaka, Japan; School of Medicine, Kyorin University, Mitaka, Tokyo, Japan; Fukushima Medical University, Fukushima, Japan; Tohoku University, Sendai, Miyagi, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; Breast Oncology Center, Cancer Institute Hospital, Ariake, Tokyo, Japan; Graduate School of Medicine, Kyoto, Japan
| | - T Morimoto
- National Hospital Organization Osaka National Hospital, Osaka, Japan; Niigata Cancer Center, Niigata, Japan; Yao Municipal Hospital, Yao, Osaka, Japan; School of Medicine, Kyorin University, Mitaka, Tokyo, Japan; Fukushima Medical University, Fukushima, Japan; Tohoku University, Sendai, Miyagi, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; Breast Oncology Center, Cancer Institute Hospital, Ariake, Tokyo, Japan; Graduate School of Medicine, Kyoto, Japan
| | - T Ueno
- National Hospital Organization Osaka National Hospital, Osaka, Japan; Niigata Cancer Center, Niigata, Japan; Yao Municipal Hospital, Yao, Osaka, Japan; School of Medicine, Kyorin University, Mitaka, Tokyo, Japan; Fukushima Medical University, Fukushima, Japan; Tohoku University, Sendai, Miyagi, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; Breast Oncology Center, Cancer Institute Hospital, Ariake, Tokyo, Japan; Graduate School of Medicine, Kyoto, Japan
| | - C Kanbayashi
- National Hospital Organization Osaka National Hospital, Osaka, Japan; Niigata Cancer Center, Niigata, Japan; Yao Municipal Hospital, Yao, Osaka, Japan; School of Medicine, Kyorin University, Mitaka, Tokyo, Japan; Fukushima Medical University, Fukushima, Japan; Tohoku University, Sendai, Miyagi, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; Breast Oncology Center, Cancer Institute Hospital, Ariake, Tokyo, Japan; Graduate School of Medicine, Kyoto, Japan
| | - K Kaneko
- National Hospital Organization Osaka National Hospital, Osaka, Japan; Niigata Cancer Center, Niigata, Japan; Yao Municipal Hospital, Yao, Osaka, Japan; School of Medicine, Kyorin University, Mitaka, Tokyo, Japan; Fukushima Medical University, Fukushima, Japan; Tohoku University, Sendai, Miyagi, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; Breast Oncology Center, Cancer Institute Hospital, Ariake, Tokyo, Japan; Graduate School of Medicine, Kyoto, Japan
| | - H Yasojima
- National Hospital Organization Osaka National Hospital, Osaka, Japan; Niigata Cancer Center, Niigata, Japan; Yao Municipal Hospital, Yao, Osaka, Japan; School of Medicine, Kyorin University, Mitaka, Tokyo, Japan; Fukushima Medical University, Fukushima, Japan; Tohoku University, Sendai, Miyagi, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; Breast Oncology Center, Cancer Institute Hospital, Ariake, Tokyo, Japan; Graduate School of Medicine, Kyoto, Japan
| | - S Saji
- National Hospital Organization Osaka National Hospital, Osaka, Japan; Niigata Cancer Center, Niigata, Japan; Yao Municipal Hospital, Yao, Osaka, Japan; School of Medicine, Kyorin University, Mitaka, Tokyo, Japan; Fukushima Medical University, Fukushima, Japan; Tohoku University, Sendai, Miyagi, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; Breast Oncology Center, Cancer Institute Hospital, Ariake, Tokyo, Japan; Graduate School of Medicine, Kyoto, Japan
| | - H Sasano
- National Hospital Organization Osaka National Hospital, Osaka, Japan; Niigata Cancer Center, Niigata, Japan; Yao Municipal Hospital, Yao, Osaka, Japan; School of Medicine, Kyorin University, Mitaka, Tokyo, Japan; Fukushima Medical University, Fukushima, Japan; Tohoku University, Sendai, Miyagi, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; Breast Oncology Center, Cancer Institute Hospital, Ariake, Tokyo, Japan; Graduate School of Medicine, Kyoto, Japan
| | - S Morita
- National Hospital Organization Osaka National Hospital, Osaka, Japan; Niigata Cancer Center, Niigata, Japan; Yao Municipal Hospital, Yao, Osaka, Japan; School of Medicine, Kyorin University, Mitaka, Tokyo, Japan; Fukushima Medical University, Fukushima, Japan; Tohoku University, Sendai, Miyagi, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; Breast Oncology Center, Cancer Institute Hospital, Ariake, Tokyo, Japan; Graduate School of Medicine, Kyoto, Japan
| | - S Ohno
- National Hospital Organization Osaka National Hospital, Osaka, Japan; Niigata Cancer Center, Niigata, Japan; Yao Municipal Hospital, Yao, Osaka, Japan; School of Medicine, Kyorin University, Mitaka, Tokyo, Japan; Fukushima Medical University, Fukushima, Japan; Tohoku University, Sendai, Miyagi, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; Breast Oncology Center, Cancer Institute Hospital, Ariake, Tokyo, Japan; Graduate School of Medicine, Kyoto, Japan
| | - M Toi
- National Hospital Organization Osaka National Hospital, Osaka, Japan; Niigata Cancer Center, Niigata, Japan; Yao Municipal Hospital, Yao, Osaka, Japan; School of Medicine, Kyorin University, Mitaka, Tokyo, Japan; Fukushima Medical University, Fukushima, Japan; Tohoku University, Sendai, Miyagi, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; Breast Oncology Center, Cancer Institute Hospital, Ariake, Tokyo, Japan; Graduate School of Medicine, Kyoto, Japan
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Kanesaka T, Uedo N, Yao K, Ezoe Y, Doyama H, Oda I, Kaneko K, Kawahara Y, Yokoi C, Sugiura Y, Ishikawa H, Takeuchi Y, Arao M, Iwatsubo T, Iwagami H, Matsuno K, Muto M, Saito Y, Tomita Y. Multiple convex demarcation line for prediction of benign depressed gastric lesions in magnifying narrow-band imaging. Endosc Int Open 2018; 6:E145-E155. [PMID: 29399611 PMCID: PMC5794433 DOI: 10.1055/s-0043-121267] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2017] [Accepted: 09/08/2017] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND AND STUDY AIMS With magnifying narrow-band imaging (M-NBI) of the gastric mucosa, a characteristic demarcation line (DL) is occasionally found in non-cancerous depressed lesions. This DL forms multiple convex shapes along the edge of the epithelia of surrounding mucosa. We have termed this novel finding a multiple convex DL (MCDL). In this study, we clarified the prevalence of an MCDL in depressed gastric lesions detected in patients at high risk for gastric cancer and determined the diagnostic yield necessary to distinguish between cancer and non-cancer. PATIENTS AND METHODS This was a post hoc analysis of a multicenter prospective trial. In total, 362 small (≤ 10 mm) depressed lesions were detected in 1353 patients. Presence or absence of a DL in target lesions was evaluated on M-NBI images. The proportion of MCDLs among lesions with a DL was evaluated. RESULTS Images of 347 lesions (39 cancerous and 308 non-cancerous) were evaluable. A DL was present in 252/347 lesions (73 %). When the cutoff value for the proportion of MCDLs needed to distinguish non-cancer from cancer was set at two-thirds, an MCDL was observed in 86/252 lesions (34 %). In 86 lesions with an MCDL, 83 (97 %) were non-cancerous. The sensitivity, specificity, positive predictive value, and negative predictive value of an MCDL for non-cancerous lesions were 38 %, 91 %, 97 %, and 19 %, respectively. CONCLUSIONS Presence of an MCDL had high specificity and positive predictive value for non-cancerous lesions. Evaluating the shape of the DL is useful for differentiation between cancer and non-cancerous lesions.
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Affiliation(s)
- Takashi Kanesaka
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Noriya Uedo
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Kenshi Yao
- Department of Endoscopy, Fukuoka University Chikushi Hospital, Fukuoka, Japan
| | - Yasumasa Ezoe
- Department of Therapeutic Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hisashi Doyama
- Department of Gastroenterology, Ishikawa Prefectural Central Hospital, Ishikawa, Japan
| | - Ichiro Oda
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Kazuhiro Kaneko
- Department of Gastroenterology, Endoscopy Division, National Cancer Center Hospital East, Chiba, Japan
| | | | - Chizu Yokoi
- Endoscopy Division, National Center for Global Health and Medicine, Tokyo, Japan
| | - Yasushi Sugiura
- Division of Gastroenterology and Hepatology, Kitano Hospital, Osaka, Japan
| | - Hideki Ishikawa
- Department of Molecular Targeting Cancer Prevention, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yoji Takeuchi
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Masamichi Arao
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Taro Iwatsubo
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Hiroyoshi Iwagami
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Kenji Matsuno
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Manabu Muto
- Department of Therapeutic Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yutaka Saito
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Yasuhiko Tomita
- Department of Pathology and Cytology, Osaka International Cancer Institute, Osaka, Japan
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Hasuike N, Ono H, Boku N, Mizusawa J, Takizawa K, Fukuda H, Oda I, Doyama H, Kaneko K, Hori S, Iishi H, Kurokawa Y, Muto M. A non-randomized confirmatory trial of an expanded indication for endoscopic submucosal dissection for intestinal-type gastric cancer (cT1a): the Japan Clinical Oncology Group study (JCOG0607). Gastric Cancer 2018; 21:114-123. [PMID: 28224238 DOI: 10.1007/s10120-017-0704-y] [Citation(s) in RCA: 129] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Accepted: 02/07/2017] [Indexed: 02/07/2023]
Abstract
BACKGROUND Endoscopic resection has been limited to intestinal-type gastric cancer (cT1a) with a low risk of lymph node metastasis (T1a ≤2 cm, without ulcers). This single-arm confirmatory trial evaluated the efficacy and safety of endoscopic submucosal dissection (ESD) for >2 cm ulcer-negative and ≤3 cm ulcer-positive intestinal-type gastric cancer (cT1a). METHODS The eligibility criteria included endoscopically diagnosed cT1a, a single primary intestinal-type gastric adenocarcinoma, an ulcer-negative lesion of any size or a ≤3 cm ulcer-positive lesion, cN0M0, and no prior treatment. If ESD resulted in noncurative resection, surgical resection was added. The primary endpoint was the 5-year overall survival (OS) (planned sample size was 470, with a one-sided alpha level of 2.5%). The threshold 5-year OS was 86.1%. RESULTS We enrolled 470 early gastric cancer patients [median tumor size, 25 (5-130) mm] from 29 institutions between June 2007 and October 2010. These patients had 152 ulcer-negative lesions (>2 and ≤3 cm), 111 ulcer-negative lesions (>3 cm), and 207 ulcer-positive lesions (≤3 cm). The success rate for en block resection was 99.1% (466/470). Additional gastrectomy was conducted in 131 patients (28%) who did not fulfill the curative resection criteria. The 5-year OS of all patients was 97.0% (95% confidence interval, 95.0-98.2%), which was higher than the threshold 5-year OS (86.1%). The 317 patients who satisfied the curative resection criteria had no recurrence. There were no ESD-related grade 4 adverse events. CONCLUSION ESD for early gastric cancers that met the expanded criteria for intestinal-type gastric cancer (cT1a) was acceptable and should be the standard treatment instead of gastrectomy.
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Affiliation(s)
- Noriaki Hasuike
- Gastrointestinal Center and Institute of Minimally Invasive Endoscopic Care (iMEC), Sano Hospital, Kobe, 5-21 Shimizugaoka, Tarumi-Ku, Kobe, 655-0031, Japan.
| | - Hiroyuki Ono
- Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan
| | - Narikazu Boku
- Gastrointestinal Medical Oncology Division, National Cancer Center Hospital, Tokyo, Japan
| | - Junki Mizusawa
- Japan Clinical Oncology Group Data Center, National Cancer Center, Tokyo, Japan
| | - Kohei Takizawa
- Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan
| | - Haruhiko Fukuda
- Japan Clinical Oncology Group Data Center, National Cancer Center, Tokyo, Japan
| | - Ichiro Oda
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Hisashi Doyama
- Department of Gastroenterology, Ishikawa Prefectural Central Hospital, Kanazawa, Ishikawa, Japan
| | - Kazuhiro Kaneko
- Department of Gastroenterology, Endoscopy Division, National Cancer Center Hospital East, Kashiwa, Chiba, Japan
| | - Shinichiro Hori
- Department of Endoscopy, Shikoku Cancer Center, Matsuyama, Japan
| | - Hiroyasu Iishi
- Department of Gastrointestinal Oncology, Osaka Medical Center for Cancer and Cardiovascular Disease, Osaka, Japan
| | - Yukinori Kurokawa
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Manabu Muto
- Department of Therapeutic Oncology, Kyoto University Graduate School of Medicine, Kyoto, Japan
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Takeuchi N, Hogeweg P, Kaneko K. Conceptualizing the origin of life in terms of evolution. Philos Trans A Math Phys Eng Sci 2017; 375:rsta.2016.0346. [PMID: 29133445 PMCID: PMC5686403 DOI: 10.1098/rsta.2016.0346] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 05/08/2017] [Indexed: 06/07/2023]
Abstract
In this opinion piece, we discuss how to place evolution in the context of origin-of-life research. Our discussion starts with a popular definition: 'life is a self-sustained chemical system capable of undergoing Darwinian evolution'. According to this definition, the origin of life is the same as the origin of evolution: evolution is the 'end' of the origin of life. This perspective, however, has a limitation, in that the ability of evolution in and of itself is insufficient to explain the origin of life as we know it, as indicated by Spiegelman's and Lincoln and Joyce's experiments. This limitation provokes a crucial question: What conditions are required for replicating systems to evolve into life? From this perspective, the origin of life includes the emergence of life through evolution: evolution is a 'means' of the origin of life. After reviewing Eigen's pioneering work on this question, we mention our ongoing work suggesting that a key condition might be conflicting multi-level evolution. Taken together, there are thus two questions regarding the origin of life: how evolution gets started, and how evolution produces life. Evolution is, therefore, at the centre of the origin of life, where the two lines of enquiry must meet.This article is part of the themed issue 'Reconceptualizing the origins of life'.
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Affiliation(s)
- N Takeuchi
- Department of Basic Science, Graduate School of Arts and Sciences, University of Tokyo, Tokyo, Japan
| | - P Hogeweg
- Theoretical Biology and Bioinformatics Group, Utrecht University, Utrecht, The Netherlands
| | - K Kaneko
- Department of Basic Science, Graduate School of Arts and Sciences, University of Tokyo, Tokyo, Japan
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Kaneko K, Miyamoto Y, Tsukuura R, Sasa K, Akaike T, Fujii S, Yoshimura K, Nagayama K, Hoshino M, Inoue S, Maki K, Baba K, Chikazu D, Kamijo R. 8-Nitro-cGMP is a promoter of osteoclast differentiation induced by RANKL. Nitric Oxide 2017; 72:46-51. [PMID: 29183803 DOI: 10.1016/j.niox.2017.11.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Revised: 11/07/2017] [Accepted: 11/17/2017] [Indexed: 10/18/2022]
Abstract
Osteoclasts are multinucleated giant cells differentiated from monocyte-macrophage-lineage cells under stimulation of receptor activator of nuclear factor κ-B (RANK) ligand (RANKL) produced by osteoblasts and osteocytes. Although it has been reported that nitric oxide (NO) and reactive oxygen species (ROS) are involved in this process, the mechanism by which these labile molecules promote osteoclast differentiation are not fully understood. In this study, we investigated the formation and function of 8-nitro-cGMP, a downstream molecule of NO and ROS, in the process of osteoclast differentiation in vitro. 8-Nitro-cGMP was detected in mouse bone marrow macrophages and osteoclasts differentiated from macrophages in the presence of RANKL. Inhibition of NO synthase suppressed the formation of 8-nitro-cGMP as well as RANKL-induced osteoclast differentiation from macrophages. On the other hand, RANKL-induced osteoclast differentiation was promoted by addition of 8-nitro-cGMP to the cultures. In addition, 8-nitro-cGMP enhanced the mRNA expression of RANK, the receptor for RANKL. However, 8-bromo-cGMP, a membrane-permeable derivative of cGMP, did not have an effect on either RANKL-induced osteoclast differentiation or expression of the RANK gene. These results suggest that 8-nitro-cGMP is a novel positive regulator of osteoclast differentiation, which might help to explain the roles of NO and ROS in osteoclast differentiation.
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Affiliation(s)
- K Kaneko
- Department of Biochemistry, Showa University School of Dentistry, Japan; Department of Oral and Maxillofacial Surgery, Tokyo Medical University, Japan
| | - Y Miyamoto
- Department of Biochemistry, Showa University School of Dentistry, Japan.
| | - R Tsukuura
- Department of Biochemistry, Showa University School of Dentistry, Japan; Department of Oral and Maxillofacial Surgery, Tokyo Medical University, Japan
| | - K Sasa
- Department of Biochemistry, Showa University School of Dentistry, Japan
| | - T Akaike
- Department of Environmental Health Sciences and Molecular Toxicology, Tohoku University Graduate School of Medicine, Japan
| | - S Fujii
- Department of Environmental Health Sciences and Molecular Toxicology, Tohoku University Graduate School of Medicine, Japan
| | - K Yoshimura
- Department of Biochemistry, Showa University School of Dentistry, Japan
| | - K Nagayama
- Department of Biochemistry, Showa University School of Dentistry, Japan; Department of Orthodontics, Showa University School of Dentistry, Japan
| | - M Hoshino
- Department of Prosthodontics, Showa University School of Dentistry, Japan
| | - S Inoue
- Department of Prosthodontics, Showa University School of Dentistry, Japan
| | - K Maki
- Department of Orthodontics, Showa University School of Dentistry, Japan
| | - K Baba
- Department of Prosthodontics, Showa University School of Dentistry, Japan
| | - D Chikazu
- Department of Oral and Maxillofacial Surgery, Tokyo Medical University, Japan
| | - R Kamijo
- Department of Biochemistry, Showa University School of Dentistry, Japan
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Suehara Y, Tanabe Y, Akaike K, Mogushi K, Hayashi T, Kurihara T, Kaneko K, Saito T. Anti-tumor activity of tyrosine kinase inhibitors in alveolar soft part sarcoma. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx675.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Nakanishi H, Doyama H, Ishikawa H, Uedo N, Gotoda T, Kato M, Nagao S, Nagami Y, Aoyagi H, Imagawa A, Kodaira J, Mitsui S, Kobayashi N, Muto M, Takatori H, Abe T, Tsujii M, Watari J, Ishiyama S, Oda I, Ono H, Kaneko K, Yokoi C, Ueo T, Uchita K, Matsumoto K, Kanesaka T, Morita Y, Katsuki S, Nishikawa J, Inamura K, Kinjo T, Yamamoto K, Yoshimura D, Araki H, Kashida H, Hosokawa A, Mori H, Yamashita H, Motohashi O, Kobayashi K, Hirayama M, Kobayashi H, Endo M, Yamano H, Murakami K, Koike T, Hirasawa K, Miyaoka Y, Hamamoto H, Hikichi T, Hanabata N, Shimoda R, Hori S, Sato T, Kodashima S, Okada H, Mannami T, Yamamoto S, Niwa Y, Yashima K, Tanabe S, Satoh H, Sasaki F, Yamazato T, Ikeda Y, Nishisaki H, Nakagawa M, Matsuda A, Tamura F, Nishiyama H, Arita K, Kawasaki K, Hoppo K, Oka M, Ishihara S, Mukasa M, Minamino H, Yao K. Evaluation of an e-learning system for diagnosis of gastric lesions using magnifying narrow-band imaging: a multicenter randomized controlled study. Endoscopy 2017. [PMID: 28637065 DOI: 10.1055/s-0043-111888] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [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: 12/25/2022]
Abstract
Background and study aim Magnifying narrow-band imaging (M-NBI) is useful for the accurate diagnosis of early gastric cancer (EGC). However, acquiring skill at M-NBI diagnosis takes substantial effort. An Internet-based e-learning system to teach endoscopic diagnosis of EGC using M-NBI has been developed. This study evaluated its effectiveness. Participants and methods This study was designed as a multicenter randomized controlled trial. We recruited endoscopists as participants from all over Japan. After completing Test 1, which consisted of M-NBI images of 40 gastric lesions, participants were randomly assigned to the e-learning or non-e-learning groups. Only the e-learning group was allowed to access the e-learning system. After the e-learning period, both groups received Test 2. The analysis set was participants who scored < 80 % accuracy on Test 1. The primary end point was the difference in accuracy between Test 1 and Test 2 for the two groups. Results A total of 395 participants from 77 institutions completed Test 1 (198 in the e-learning group and 197 in the non-e-learning group). After the e-learning period, all 395 completed Test 2. The analysis sets were e-learning group: n = 184; and non-e-learning group: n = 184. The mean Test 1 score was 59.9 % for the e-learning group and 61.7 % for the non-e-learning group. The change in accuracy in Test 2 was significantly higher in the e-learning group than in the non-e-learning group (7.4 points vs. 0.14 points, respectively; P < 0.001). Conclusion This study clearly demonstrated the efficacy of the e-learning system in improving practitioners' capabilities to diagnose EGC using M-NBI.Trial registered at University Hospital Medical Information Network Clinical Trials Registry (UMIN000008569).
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Affiliation(s)
- Hiroyoshi Nakanishi
- Department of Gastroenterology, Ishikawa Prefectural Central Hospital, Kanazawa, Japan
| | - Hisashi Doyama
- Department of Gastroenterology, Ishikawa Prefectural Central Hospital, Kanazawa, Japan
| | - Hideki Ishikawa
- Department of Molecular-Targeting Cancer Prevention, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Noriya Uedo
- Department of Gastrointestinal Oncology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka, Japan
| | - Takuji Gotoda
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo, Japan
| | - Mototsugu Kato
- Division of Endoscopy, Hokkaido University Hospital, Sapporo, Japan
| | - Shigeaki Nagao
- Department of Internal Medicine, National Defense Medical College, Saitama, Japan
| | - Yasuaki Nagami
- Department of Gastroenterology, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Hiroyuki Aoyagi
- Department of Gastroenterology, Fukui Prefectural Hospital, Fukui, Japan
| | - Atsushi Imagawa
- Department of Gastroenterology, Mitoyo General Hospital, Kan-onji, Japan
| | - Junichi Kodaira
- Department of Gastroenterology, Keiyukai Sapporo Hospital, Sapporo, Japan
| | - Shinya Mitsui
- Center for Gastroenterology, Teine-Keijinkai Hospital, Sapporo, Japan
| | - Nozomu Kobayashi
- Department of Diagnostic Imaging, Tochigi Cancer Center, Utsunomiya, Japan
| | - Manabu Muto
- Department of Clinical oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hajime Takatori
- Department of Gastroenterology, Kanazawa University Hospital, Kanazawa, Japan
| | - Takashi Abe
- Department of Gastroenterology, Takarazuka Municipal Hospital, Takarazuka, Japan
| | - Masahiko Tsujii
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, Suita, Japan
| | - Jiro Watari
- Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Japan
| | - Shuhei Ishiyama
- Department of Internal Medicine, Okayama Saiseikai General Hospital, Okayama, Japan
| | - Ichiro Oda
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Hiroyuki Ono
- Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan
| | - Kazuhiro Kaneko
- Endoscopy Division, National Cancer Center Hospital East, Kashiwa, Chiba, Japan
| | - Chizu Yokoi
- Department of Gastroenterology, National Center for Global Health and Medicine, Tokyo, Japan
| | - Tetsuya Ueo
- Department of Gastroenterology, Oita Red Cross Hospital, Oita, Japan
| | - Kunihisa Uchita
- Department of Gastroenterology, Kochi Red Cross Hospital, Kochi, Japan
| | - Kenshi Matsumoto
- Department of Gastroenterology, Juntendo University School of Medicine, Tokyo, Japan
| | - Takashi Kanesaka
- Department of Gastroenterology and Hepatology, Osaka Red Cross Hospital, Osaka, Japan
| | - Yoshinori Morita
- Division of Gastroenterology, Department of Internal Medicine, Graduate School of Medicine, Kobe University, Kobe, Japan
| | - Shinichi Katsuki
- Center of Gastroenterology, Otaru Ekisaikai Hospital, Otaru, Japan
| | - Jun Nishikawa
- Department of Gastroenterology and Hepatology, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - Katsuhisa Inamura
- Department of Gastroenterology, Tonami General Hospital, Tonami, Japan
| | - Tetsu Kinjo
- Department of Endoscopy, University of the Ryukyus, Okinawa, Japan
| | - Katsumi Yamamoto
- Department of Gastroenterology, Toyonaka Municipal Hospital, Toyonaka, Japan
| | - Daisuke Yoshimura
- Department of Internal Medicine, Saiseikai Fukuoka General Hospital, Fukuoka, Japan
| | - Hiroshi Araki
- Division of Endoscopy, Gifu University Hospital, Gifu, Japan
| | - Hiroshi Kashida
- Department of Gastroenterology and Hepatology, Kinki University Faculty of Medicine, Osaka-sayama, Japan
| | - Ayumu Hosokawa
- Department of Gastroenterology and Hematology, Faculty of Medicine, University of Toyama, Toyama, Japan
| | - Hirohito Mori
- Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kagawa, Japan
| | - Haruhiro Yamashita
- Department of Gastroenterology, National Hospital Organization Okayama Medical Center, Okayama, Japan
| | - Osamu Motohashi
- Department of Gastroenterology, Kanagawa Cancer Center, Yokohama, Japan
| | - Kazuhiko Kobayashi
- Department of Gastroenterology, Matsusaka Chuo General Hospital, Matsusaka, Japan
| | - Michiaki Hirayama
- Department of Gastroenterological Medicine, Tonan Hospital, Sapporo, Japan
| | | | - Masaki Endo
- Department of Gastroenterology and Hepatology, School of Medicine, Iwate Medical University, Morioka, Japan
| | - Hiroo Yamano
- Digestive Disease Center, Akita Red Cross Hospital, Akita, Japan
| | | | - Tomoyuki Koike
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Kingo Hirasawa
- Gastroenterological Center, Yokohama City University Medical Center, Yokohama, Japan
| | - Youichi Miyaoka
- Department of Endoscopy, Shimane Prefectural Central Hospital, Izumo, Japan
| | | | - Takuto Hikichi
- Department of Endoscopy, Fukushima Medical University Hospital, Fukushima, Japan
| | - Norihiro Hanabata
- Department of Gastroenterology and Hepatology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Ryo Shimoda
- Departments of Internal Medicine and Gastrointestinal Endoscopy, Saga Medical School, Saga, Japan
| | - Shinichiro Hori
- Department of Endoscopy, National Hospital Organization Shikoku Cancer Center, Matsuyama, Japan
| | - Tadashi Sato
- Department of Gastroenterology and Division of Endoscopy, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Shinya Kodashima
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Hiroyuki Okada
- Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Tomohiko Mannami
- Department of Gastroenterology, Chugoku Central Hospital, Fukuyama, Japan
| | - Shojiro Yamamoto
- Division of Gastroenterology and Hematology, Department of Internal Medicine, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | - Yasumasa Niwa
- Departments of Endoscopy, Aichi Cancer Center Hospital, Nagoya, Japan
| | - Kazuo Yashima
- Department of Gastroenterology, Tottori University Hospital, Yonago, Japan
| | - Satoshi Tanabe
- Department of Gastroenterology, Kitasato University School of Medicine, Sagamihara, Japan
| | - Hiro Satoh
- Department of Gastroenterology, Yokohama Sakae Kyosai Hospital, Yokohama, Japan
| | - Fumisato Sasaki
- Department of Gastroenterology, Kagoshima University Medical and Dental Hospital, Kagoshima, Japan
| | - Tetsuro Yamazato
- Department of Gastroenterology, Tokyo Metropolitan Cancer Detection Center, Tokyo, Japan
| | - Yoshiou Ikeda
- Endoscopy Center, Ehime University Hospital, Toon, Japan
| | - Hogara Nishisaki
- Department of Gastroenterological Oncology, Hyogo Cancer Center, Hyogo, Japan
| | - Masahiro Nakagawa
- Department of Internal Medicine, Hiroshima City Hospital, Hiroshima, Japan
| | - Akio Matsuda
- Department of Gastroenterology, Nanpuh Hospital, Kagoshima, Japan
| | - Fumio Tamura
- Division of Gastroenterology, Kumamoto Regional Medical Center, Kumamoto, Japan
| | - Hitoshi Nishiyama
- Department of Gastroenterology, National Hospital Organization Nagasaki Medical Center, Nagasaki, Japan
| | - Keiko Arita
- Arita Gastro-intestinal Hospital, Oita, Japan
| | - Keisuke Kawasaki
- Division of Gastroenterology, Matsuyama Red Cross Hospital, Matsuyama, Japan
| | - Kazushige Hoppo
- Division of Gastroenterology, Yamatotakada Municipal Hospital, Yamatotakada, Japan
| | - Masashi Oka
- Department of Gastroenterology and Hepatology, Faculty of Medicine, Saitama Medical University, Saitama, Japan
| | | | - Michita Mukasa
- Division of Gastroenterology, Department of Medicine, Kurume University School of Medicine, Fukuoka, Japan
| | - Hiroaki Minamino
- Department of Gastroenterology, Izumiotsu Municipal Hospital, Izumiotsu, Japan
| | - Kenshi Yao
- Department of Endoscopy, Fukuoka University Chikushi Hospital, Fukuoka, Japan
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Takai Y, Misu T, Nishiyama S, Kuroda H, Kaneko K, Ogawa R, Takahashi T, Ichiro N, Suzuki H, Kazuo F, Masashi A. The staging of astrocytopathy in aquaporin 4-igg-positive neuromyelitis optica spectrum disorders. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Takahashi Y, Soga K, Igarashi S, Otani T, Irioka T, Kaneko K, Takahashi T, Nakashima I, Yokota T. Two cases of anti-myelin oligodendrocyte glycoprotein-IGG positive optic neuritis with different courses. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.3010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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