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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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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, 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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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Asano S, Okada-Ogawa A, Kobayashi M, Yonemoto M, Hojo Y, Shibuta I, Noma N, Iwata K, Hitomi S, Shinoda M. Involvement of interferon gamma signaling in spinal trigeminal caudal subnucleus astrocyte in orofacial neuropathic pain in rats with infraorbital nerve injury. Mol Pain 2023; 19:17448069231222403. [PMID: 38073236 DOI: 10.1177/17448069231222403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2023] Open
Abstract
Background: Trigeminal nerve injury causes orofacial pain that can interfere with activities of daily life. However, the underlying mechanism remains unknown, and the appropriate treatment has not been established yet. This study aimed to examine the involvement of interferon gamma (IFN-γ) signaling in the spinal trigeminal caudal subnucleus (Vc) in orofacial neuropathic pain. Methods: Infraorbital nerve (ION) injury (IONI) was performed in rats by partial ION ligation. The head-withdrawal reflex threshold (HWT) to mechanical stimulation of the whisker pad skin was measured in IONI or sham rats, as well as following a continuous intracisterna magna administration of IFN-γ and a mixture of IFN-γ and fluorocitrate (inhibitor of astrocytes activation) in naïve rats, or an IFN-γ antagonist in IONI rats. The IFN-γ receptor immunohistochemistry and IFN-γ Western blotting were analyzed in the Vc after IONI or sham treatment. The glial fibrillary acid protein (GFAP) immunohistochemistry and Western blotting were also analyzed after administration of IFN-γ and the mixture of IFN-γ and fluorocitrate. Moreover, the change in single neuronal activity in the Vc was examined in the IONI, sham, and IONI group administered IFN-γ antagonist. Results: The HWT decreased after IONI. The IFN-γ and IFN-γ receptor were upregulated after IONI, and the IFN-γ receptor was expressed in Vc astrocytes. IFN-γ administration decreased the HWT, whereas the mixture of IFN-γ and fluorocitrate recovered the decrement of HWT. IFN-γ administration upregulated GFAP expression, while the mixture of IFN-γ and fluorocitrate recovered the upregulation of GFAP expression. IONI significantly enhanced the neuronal activity of the mechanical-evoked responses, and administration of an IFN-γ antagonist significantly inhibited these enhancements. Conclusions: IFN-γ signaling through the receptor in astrocytes is a key mechanism underlying orofacial neuropathic pain associated with trigeminal nerve injury. These findings will aid in the development of therapeutics for orofacial neuropathic pain.
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Affiliation(s)
- Sayaka Asano
- Department of Anesthesiology, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan
- Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan
| | - Akiko Okada-Ogawa
- Department of Oral Medicine, Nihon University School of Dentistry, Tokyo, Japan
- Division of Orofacial Pain Clinic, Nihon University Dental Hospital, Tokyo, Japan
| | - Momoyo Kobayashi
- Department of Oral Medicine, Nihon University School of Dentistry, Tokyo, Japan
| | - Mamiko Yonemoto
- Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan
| | - Yasushi Hojo
- Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan
| | - Ikuko Shibuta
- Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan
| | - Noboru Noma
- Department of Oral Medicine, Nihon University School of Dentistry, Tokyo, Japan
- Division of Orofacial Pain Clinic, Nihon University Dental Hospital, Tokyo, Japan
| | - Koichi Iwata
- Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan
| | - Suzuro Hitomi
- Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan
| | - Masamichi Shinoda
- Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan
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Abe Y, Nakao A, Arikawa Y, Morace A, Mori T, Lan Z, Wei T, Asano S, Minami T, Kuramitsu Y, Habara H, Shiraga H, Fujioka S, Nakai M, Yogo A. Predictive capability of material screening by fast neutron activation analysis using laser-driven neutron sources. Rev Sci Instrum 2022; 93:093523. [PMID: 36182514 DOI: 10.1063/5.0099217] [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: 05/16/2022] [Accepted: 08/22/2022] [Indexed: 06/16/2023]
Abstract
Bright, short-pulsed neutron beams from laser-driven neutron sources (LANSs) provide a new perspective on material screening via fast neutron activation analysis (FNAA). FNAA is a nondestructive technique for determining material elemental composition based on nuclear excitation by fast neutron bombardment and subsequent spectral analysis of prompt γ-rays emitted by the active nuclei. Our recent experiments and simulations have shown that activation analysis can be used in practice with modest neutron fluences on the order of 105 n/cm2, which is available with current laser technology. In addition, time-resolved γ-ray measurements combined with picosecond neutron probes from LANSs are effective in mitigating the issue of spectral interference between elements, enabling highly accurate screening of complex samples containing many elements. This paper describes the predictive capability of LANS-based activation analysis based on experimental demonstrations and spectral calculations with Monte Carlo simulations.
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Affiliation(s)
- Y Abe
- Graduate School of Engineering, Osaka University, Osaka 565-0871, Japan
| | - A Nakao
- Institute of Laser Engineering, Osaka University, Osaka 565-0871, Japan
| | - Y Arikawa
- Institute of Laser Engineering, Osaka University, Osaka 565-0871, Japan
| | - A Morace
- Institute of Laser Engineering, Osaka University, Osaka 565-0871, Japan
| | - T Mori
- Institute of Laser Engineering, Osaka University, Osaka 565-0871, Japan
| | - Z Lan
- Institute of Laser Engineering, Osaka University, Osaka 565-0871, Japan
| | - T Wei
- Institute of Laser Engineering, Osaka University, Osaka 565-0871, Japan
| | - S Asano
- Institute of Laser Engineering, Osaka University, Osaka 565-0871, Japan
| | - T Minami
- Graduate School of Engineering, Osaka University, Osaka 565-0871, Japan
| | - Y Kuramitsu
- Graduate School of Engineering, Osaka University, Osaka 565-0871, Japan
| | - H Habara
- Graduate School of Engineering, Osaka University, Osaka 565-0871, Japan
| | - H Shiraga
- Institute of Laser Engineering, Osaka University, Osaka 565-0871, Japan
| | - S Fujioka
- Institute of Laser Engineering, Osaka University, Osaka 565-0871, Japan
| | - M Nakai
- Institute of Laser Engineering, Osaka University, Osaka 565-0871, Japan
| | - A Yogo
- Institute of Laser Engineering, Osaka University, Osaka 565-0871, Japan
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Asahi R, Nakamura Y, Kanai M, Watanabe K, Yuguchi S, Kamo T, Azami M, Ogihara H, Asano S. Association with sagittal alignment and osteoporosis-related fractures in outpatient women with osteoporosis. Osteoporos Int 2022; 33:1275-1284. [PMID: 35091788 DOI: 10.1007/s00198-021-06282-x] [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] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 12/21/2021] [Indexed: 10/19/2022]
Abstract
UNLABELLED The baseline sagittal vertical axis (SVA) and pelvic tilt (PT) are independent risk factors of osteoporosis-related fractures in women with osteoporosis. We clarified the SVA and PT to predict the incidence of osteoporosis-related fractures. PURPOSE Sagittal alignment with osteoporosis women deteriorates with advancing age and sagittal alignment may indicate osteoporosis-related fractures in the future. However, whether the sagittal alignment predicts future osteoporosis-related fracture in patients with osteoporosis has not been clarified. We aimed to investigate the association between sagittal alignment and future osteoporosis-related fractures. METHODS This was a retrospective cohort study. Of the 313 participants (mean follow-up period, 2.9 years), 236 were included in the analysis. At baseline, we measured bone mineral density (BMD) of the lumbar spine and the femoral neck, sagittal vertical axis (SVA), thoracic kyphosis, pelvic incidence minus lumbar lordosis, sacral slope, pelvic tilt (PT), geriatric locomotive function scale (GLFS), two-step value, and stand-up test. The information on medications and the duration of treatment were reviewed from the medical records. Additionally, participants reported their history of falls at baseline. Multiple logistic regression analysis was used to determine the association of future osteoporosis-related fracture, and adjusted Odds ratios (OR) and 95% confidence interval (CI) were calculated with all predictors as covariates. All continuous variables were calculated using standardized OR (sOR). RESULTS Osteoporosis-related fractures occurred in 33 of 313 participants (10.5%). Multiple logistic regression analysis showed that a history of falls (OR =4.092, 95% CI: 1.029-16.265, p =0.045), SVA (sOR =4.228, 95% CI: 2.118-8.439, p <0.001), and PT (sOR =2.497, 95% CI: 1.087-5.733, p =0.031) were independent risk factors for future osteoporosis-related fractures. CONCLUSIONS This study revealed the SVA and PT to predict osteoporosis-related fractures. TRIAL REGISTRATION NUMBER AND DATE OF REGISTRATION UMIN000036516 (April 1, 2019).
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Affiliation(s)
- R Asahi
- School of Health Sciences, Japan University of Health Sciences, 2-555, Hirasuka, Satte City, Saitama, 340-0145, Japan.
| | - Y Nakamura
- Saitama Spine Center, Higashi Saitama General Hospital, 517-5, Yoshino, Satte City, Saitama, 340-0153, Japan
| | - M Kanai
- Saitama Spine Center, Higashi Saitama General Hospital, 517-5, Yoshino, Satte City, Saitama, 340-0153, Japan
| | - K Watanabe
- Department of Rehabilitation, Higashi Saitama General Hospital, 517-5, Yoshino, Satte City, Saitama, 340-0153, Japan
| | - S Yuguchi
- School of Health Sciences, Japan University of Health Sciences, 2-555, Hirasuka, Satte City, Saitama, 340-0145, Japan
| | - T Kamo
- School of Health Sciences, Japan University of Health Sciences, 2-555, Hirasuka, Satte City, Saitama, 340-0145, Japan
| | - M Azami
- School of Health Sciences, Japan University of Health Sciences, 2-555, Hirasuka, Satte City, Saitama, 340-0145, Japan
| | - H Ogihara
- Division of Physical Therapy, Department of Rehabilitation, Faculty of Health Sciences, Nagano University of Health and Medicine, 11-1, Imaihara, Kawanakajima-machi, Nagano City, Nagano, 381-2227, Japan
| | - S Asano
- Saitama Spine Center, Higashi Saitama General Hospital, 517-5, Yoshino, Satte City, Saitama, 340-0153, Japan
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Kuwabara N, Asano S, Kawashima H. [The Influence on Image Reconstruction Methods on Digital Breast Tomosynthesis Guided Vacuum-assisted Biopsy for Clustered Microcalcifications]. Nihon Hoshasen Gijutsu Gakkai Zasshi 2022; 78:180-187. [PMID: 35185097 DOI: 10.6009/jjrt.780205] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
In this study, we verified the targeting time and coordinates of stereotactic vacuum-assisted biopsy (STVAB) and digital breast tomosynthesis-guided vacuum-assisted biopsy (DBTVAB). We used 23 fabricated phantom samples that consisted of small round, amorphous, and pleomorphic clustered microcalcifications, and two types of image reconstruction methods: filtered back projection (FBP) and iterative super-resolution reconstruction (ISR). Regarding targeting time, DBTVAB tended to be shorter than STVAB in the two image reconstruction methods and the targeting time was significantly shorter for the amorphous and pleomorphic calcifications using DBTVAB with FBP compared to that using STVAB (p=0.022 for amorphous, p=0.041 for pleomorphic). The targeting time for small round calcifications was longer using DBTVAB with ISR compared to that using STVAB (p=0.013). For targeting coordinates, using DBTVAB with FBP showed a significant difference only for pleomorphic calcifications but using DBTVAB with ISR showed no significance. The findings of this study suggest that FBP is more suitable than ISR to be used as an image reconstruction method, and DBTVAB can shorten the targeting time compared to STVAB.
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Affiliation(s)
- Natsumi Kuwabara
- Department of Radiological Technology, Mitsubishi Kyoto Hospital (Current address: Department of Radiological Technology, Faculty of Medical Science, Kyoto College of Medical Science)
| | | | - Hiroko Kawashima
- Division of Health Sciences, Graduate School of Medical Sciences, Kanazawa University
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Koyama R, Iwata K, Hayashi Y, Hitomi S, Shibuta I, Furukawa A, Asano S, Kaneko T, Yonehara Y, Shinoda M. Pannexin 1-Mediated ATP Signaling in the Trigeminal Spinal Subnucleus Caudalis Is Involved in Tongue Cancer Pain. Int J Mol Sci 2021; 22:ijms222111404. [PMID: 34768835 PMCID: PMC8584113 DOI: 10.3390/ijms222111404] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 10/15/2021] [Accepted: 10/18/2021] [Indexed: 12/19/2022] Open
Abstract
Pain is one of the most severe concerns in tongue cancer patients. However, the underlying mechanisms of tongue cancer pain are not fully understood. We investigated the molecular mechanisms of tongue cancer-induced mechanical allodynia in the tongue by squamous cell carcinoma (SCC) inoculation in rats. The head-withdrawal threshold of mechanical stimulation (MHWT) to the tongue was reduced following SCC inoculation, which was inhibited by intracisternal administration of 10Panx, an inhibitory peptide for pannexin 1 (PANX1) channels. Immunohistochemical analyses revealed that the expression of PANX1 was upregulated in the trigeminal spinal subnucleus caudalis (Vc) following SCC inoculation. The majority of PANX1 immunofluorescence was merged with ionized calcium-binding adapter molecule 1 (Iba1) fluorescence and a part of it was merged with glial fibrillary acidic protein (GFAP) fluorescence. Spike frequencies of Vc nociceptive neurons to noxious mechanical stimulation were significantly enhanced in SCC-inoculated rats, which was suppressed by intracisternal 10Panx administration. Phosphorylated extracellular signal-regulated kinase (pERK)-immunoreactive (IR) neurons increased significantly in the Vc after SCC inoculation, which was inhibited by intracisternal 10Panx administration. SCC inoculation-induced MHWT reduction and increased pERK-IR Vc neuron numbers were inhibited by P2X7 purinoceptor (P2X7R) antagonism. Conversely, these effects were observed in the presence of P2X7R agonist in SCC-inoculated rats with PANX1 inhibition. SCC inoculation-induced MHWT reduction was significantly recovered by intracisternal interleukin-1 receptor antagonist administration. These observations suggest that SCC inoculation causes PANX1 upregulation in Vc microglia and adenosine triphosphate released through PANX1 sensitizes nociceptive neurons in the Vc, resulting in tongue cancer pain.
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Affiliation(s)
- Ryo Koyama
- Department of Oral and Maxillofacial Surgery II, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (R.K.); (A.F.); (T.K.); (Y.Y.)
| | - Koichi Iwata
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (K.I.); (S.H.); (I.S.); (S.A.); (M.S.)
| | - Yoshinori Hayashi
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (K.I.); (S.H.); (I.S.); (S.A.); (M.S.)
- Correspondence: ; Tel.: +81-3-3219-8122
| | - Suzuro Hitomi
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (K.I.); (S.H.); (I.S.); (S.A.); (M.S.)
| | - Ikuko Shibuta
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (K.I.); (S.H.); (I.S.); (S.A.); (M.S.)
| | - Akihiko Furukawa
- Department of Oral and Maxillofacial Surgery II, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (R.K.); (A.F.); (T.K.); (Y.Y.)
| | - Sayaka Asano
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (K.I.); (S.H.); (I.S.); (S.A.); (M.S.)
| | - Tadayoshi Kaneko
- Department of Oral and Maxillofacial Surgery II, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (R.K.); (A.F.); (T.K.); (Y.Y.)
| | - Yoshiyuki Yonehara
- Department of Oral and Maxillofacial Surgery II, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (R.K.); (A.F.); (T.K.); (Y.Y.)
| | - Masamichi Shinoda
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (K.I.); (S.H.); (I.S.); (S.A.); (M.S.)
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Koizumi M, Asano S, Furukawa A, Hayashi Y, Hitomi S, Shibuta I, Hayashi K, Kato F, Iwata K, Shinoda M. P2X 3 receptor upregulation in trigeminal ganglion neurons through TNFα production in macrophages contributes to trigeminal neuropathic pain in rats. J Headache Pain 2021; 22:31. [PMID: 33902429 PMCID: PMC8077728 DOI: 10.1186/s10194-021-01244-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 04/13/2021] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND Trigeminal neuralgia is a characteristic disease that manifests as orofacial phasic or continuous severe pain triggered by innocuous orofacial stimulation; its mechanisms are not fully understood. In this study, we established a new animal model of trigeminal neuralgia and investigated the role of P2X3 receptor (P2X3R) alteration in the trigeminal ganglion (TG) via tumor necrosis factor alpha (TNFα) signaling in persistent orofacial pain. METHODS Trigeminal nerve root compression (TNC) was performed in male Sprague-Dawley rats. Changes in the mechanical sensitivity of whisker pad skin, amount of TNFα in the TG, and number of P2X3R and TNF receptor-2 (TNFR2)-positive TG neurons were assessed following TNC. The effects of TNFR2 antagonism in TG and subcutaneous P2X3R antagonism on mechanical hypersensitivity following TNC were examined. RESULTS TNC induced unilateral continuous orofacial mechanical allodynia, which was depressed by carbamazepine. The accumulation of macrophages showing amoeboid-like morphological changes and expression of TNFα in the TG was remarkably increased following TNC treatment. The number of P2X3R- and TNFR2-positive TG neurons innervating the orofacial skin was significantly increased following TNC. TNFα was released from activated macrophages that occurred in the TG following TNC, and TNFR2 antagonism in the TG significantly diminished the TNC-induced increase in P2X3R-immunoreactive TG neurons. Moreover, subcutaneous P2X3R antagonism in the whisker pad skin significantly depressed TNC-induced mechanical allodynia. CONCLUSIONS Therefore, it can be concluded that the signaling of TNFα released from activated macrophages in the TG induces the upregulation of P2X3R expression in TG neurons innervating the orofacial region, resulting in orofacial mechanical allodynia following TNC.
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Affiliation(s)
- Momoko Koizumi
- Department of Dentistry, Jikei University School of Medicine, Tokyo, Japan
| | - Sayaka Asano
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai Chiyoda-ku, 101-8310, Tokyo, Japan
| | - Akihiko Furukawa
- Department of Oral and Maxillofacial Surgery, Nihon University School of Dentistry, Tokyo, Japan
| | - Yoshinori Hayashi
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai Chiyoda-ku, 101-8310, Tokyo, Japan
| | - Suzuro Hitomi
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai Chiyoda-ku, 101-8310, Tokyo, Japan
| | - Ikuko Shibuta
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai Chiyoda-ku, 101-8310, Tokyo, Japan
| | - Katsuhiko Hayashi
- Department of Dentistry, Jikei University School of Medicine, Tokyo, Japan
| | - Fusao Kato
- Department of Neuroscience, Jikei University School of Medicine, Tokyo, Japan.,Center for Neuroscience of Pain, Jikei University School of Medicine, Tokyo, Japan
| | - Koichi Iwata
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai Chiyoda-ku, 101-8310, Tokyo, Japan
| | - Masamichi Shinoda
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai Chiyoda-ku, 101-8310, Tokyo, Japan.
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Sekine N, Okada-Ogawa A, Asano S, Takanezawa D, Nishihara C, Tanabe N, Imamura Y. Analgesic effect of gum chewing in patients with burning mouth syndrome. J Oral Sci 2020; 62:387-392. [PMID: 32893197 DOI: 10.2334/josnusd.19-0501] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
The cause of burning mouth syndrome (BMS) is unknown. Although no effective treatment has been established, BMS patients frequently chew gum to alleviate pain. To identify the cause and new treatments for BMS, this study investigated the psychophysical and pharmacological properties of gum chewing to better understand its pain-relieving effects. In this prospective, blinded study, plasma catecholamine and serotonin levels and Profile of Mood States (POMS) scores were assessed after gum chewing or simulated chewing in 40 women (20 BMS patients and 20 age-matched controls). Visual analogue scale (VAS) scores for pain decreased significantly in BMS patients after gum chewing and simulated chewing. Moreover, resting VAS scores of BMS patients were significantly positively correlated with plasma adrenaline level. Furthermore, gum chewing was significantly correlated with lower plasma adrenaline level, VAS score, and tension-anxiety score. These results suggest that adrenaline is important in the pathogenesis of BMS pain and that the analgesic effect of gum chewing is induced through the potential effects of anxiety reduction, although this effect might not be specific to BMS. In addition, the analgesic effect of gum chewing was not induced solely by chewing motion.
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Affiliation(s)
- Naohiko Sekine
- Department of Oral Diagnostic Sciences, Nihon University School of Dentistry
| | - Akiko Okada-Ogawa
- Department of Oral Diagnostic Sciences, Nihon University School of Dentistry.,Division of Orofacial Pain Clinic, Nihon University Dental Hospital.,Division of Clinical Research, Dental Research Center, Nihon University School of Dentistry
| | - Sayaka Asano
- Department of Oral Diagnostic Sciences, Nihon University School of Dentistry
| | - Daiki Takanezawa
- Department of Oral Diagnostic Sciences, Nihon University School of Dentistry
| | - Chisa Nishihara
- Department of Oral Diagnostic Sciences, Nihon University School of Dentistry
| | - Natsuko Tanabe
- Department of Biochemistry, Nihon University School of Dentistry
| | - Yoshiki Imamura
- Department of Oral Diagnostic Sciences, Nihon University School of Dentistry.,Division of Orofacial Pain Clinic, Nihon University Dental Hospital.,Division of Clinical Research, Dental Research Center, Nihon University School of Dentistry
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10
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Asano S, Hayashi Y, Iwata K, Okada-Ogawa A, Hitomi S, Shibuta I, Imamura Y, Shinoda M. Microglia-Astrocyte Communication via C1q Contributes to Orofacial Neuropathic Pain Associated with Infraorbital Nerve Injury. Int J Mol Sci 2020; 21:ijms21186834. [PMID: 32957694 PMCID: PMC7560139 DOI: 10.3390/ijms21186834] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 09/17/2020] [Accepted: 09/17/2020] [Indexed: 12/29/2022] Open
Abstract
Trigeminal nerve injury causes a distinct time window of glial activation in the trigeminal spinal subnucleus caudalis (Vc), which are involved in the initiation and maintenance phases of orofacial neuropathic pain. Microglia-derived factors enable the activation of astrocytes. The complement component C1q, which promotes the activation of astrocytes, is known to be synthesized in microglia. However, it is unclear whether microglia–astrocyte communication via C1q is involved in orofacial neuropathic pain. Here, we analyzed microglia-astrocyte communication in a rat model with infraorbital nerve injury (IONI). The orofacial mechanical hypersensitivity induced by IONI was significantly attenuated by preemptive treatment with minocycline. Immunohistochemical analyses revealed that minocycline inhibited the increase in c-Fos immune-reactive (IR) cells and the fluorescence intensity of both Iba1 and glial fibrillary acidic protein (GFAP) in the Vc following IONI. Intracisternal administration of C1q caused orofacial mechanical hypersensitivity and an increase in the number of c-Fos-IR cells and fluorescence intensity of GFAP. C1q-induced orofacial mechanical hypersensitivity was completely abrogated by intracisternal administration of fluorocitrate. The present findings suggest that the enhancement in the excitability of Vc nociceptive neurons is produced by astrocytic activation via the signaling of C1q released from activated microglia in the Vc following IONI, resulting in persistent orofacial neuropathic pain.
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Affiliation(s)
- Sayaka Asano
- Department of Oral Diagnostic Science, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (S.A.); (A.O.-O.); (Y.I.)
| | - Yoshinori Hayashi
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (K.I.); (S.H.); (I.S.); (M.S.)
- Correspondence: ; Tel.: +81-3-3219-8122
| | - Koichi Iwata
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (K.I.); (S.H.); (I.S.); (M.S.)
| | - Akiko Okada-Ogawa
- Department of Oral Diagnostic Science, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (S.A.); (A.O.-O.); (Y.I.)
| | - Suzuro Hitomi
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (K.I.); (S.H.); (I.S.); (M.S.)
| | - Ikuko Shibuta
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (K.I.); (S.H.); (I.S.); (M.S.)
| | - Yoshiki Imamura
- Department of Oral Diagnostic Science, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (S.A.); (A.O.-O.); (Y.I.)
| | - Masamichi Shinoda
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (K.I.); (S.H.); (I.S.); (M.S.)
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11
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Lee J, Ohara K, Shinoda M, Hayashi Y, Kubo A, Sugawara S, Asano S, Soma K, Kanno K, Ando M, Koyama R, Kimura Y, Sakanashi K, Iinuma T, Iwata K. Involvement of Satellite Cell Activation via Nitric Oxide Signaling in Ectopic Orofacial Hypersensitivity. Int J Mol Sci 2020; 21:ijms21041252. [PMID: 32070010 PMCID: PMC7072927 DOI: 10.3390/ijms21041252] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Accepted: 02/11/2020] [Indexed: 12/03/2022] Open
Abstract
The mechanical head-withdrawal threshold (MHWT) was significantly reduced following inferior alveolar nerve transection (IANX) in rats. Nitrate and nitrite synthesis was dramatically increased in the trigeminal ganglion (TG) at 6 h after the IANX. The relative number of neuronal nitric oxide synthase (nNOS)-immunoreactive (IR) cells was significantly higher in IANX rats compared to sham-operated and N-propyl-L-arginine (NPLA)-treated IANX rats. On day 3 after NPLA administration, the MHWT recovered considerably in IANX rats. Following L-arginine injection into the TG, the MHWT was significantly reduced within 15 min, and the mean number of TG cells encircled by glial fibrillary acidic protein (GFAP)-IR cells was substantially higher. The relative number of nNOS-IR cells encircled by GFAP-IR cells was significantly increased in IANX rats. In contrast, after NPLA injection into the TG, the relative number of GFAP-IR cells was considerably reduced in IANX rats. Fluorocitrate administration into the TG significantly reduced the number of GFAP-IR cells and prevented the MHWT reduction in IANX rats. The present findings suggest that following IANX, satellite glial cells are activated via nitric oxide (NO) signaling from TG neurons. The spreading satellite glial cell activation within the TG results in mechanical hypersensitivity of face regions not directly associated with the trigeminal nerve injury.
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Affiliation(s)
- Jun Lee
- Department of Complete Denture Prosthodontics, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan;
- Correspondence: (J.L.); (K.I.); Tel.: +81-3-3219-8122 (J.L.); +81-3-3219-8122 (K.I.); Fax: +81-3-3219-8341 (J.L.); +81-3-3219-8341 (K.I.)
| | - Kinuyo Ohara
- Department of Endodontics, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (K.O.); (K.K.)
| | - Masamichi Shinoda
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (M.S.); (Y.H.); (A.K.); (S.S.); (S.A.); (K.S.)
| | - Yoshinori Hayashi
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (M.S.); (Y.H.); (A.K.); (S.S.); (S.A.); (K.S.)
| | - Asako Kubo
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (M.S.); (Y.H.); (A.K.); (S.S.); (S.A.); (K.S.)
| | - Shiori Sugawara
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (M.S.); (Y.H.); (A.K.); (S.S.); (S.A.); (K.S.)
| | - Sayaka Asano
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (M.S.); (Y.H.); (A.K.); (S.S.); (S.A.); (K.S.)
- Department of Oral Diagnosis, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan
| | - Kumi Soma
- Department of Pediatric Dentistry, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan;
| | - Kohei Kanno
- Department of Endodontics, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (K.O.); (K.K.)
| | - Masatoshi Ando
- Department of Oral Surgery, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (M.A.); (R.K.); (Y.K.)
| | - Ryo Koyama
- Department of Oral Surgery, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (M.A.); (R.K.); (Y.K.)
| | - Yuki Kimura
- Department of Oral Surgery, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (M.A.); (R.K.); (Y.K.)
| | - Kousuke Sakanashi
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (M.S.); (Y.H.); (A.K.); (S.S.); (S.A.); (K.S.)
| | - Toshimitsu Iinuma
- Department of Complete Denture Prosthodontics, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan;
| | - Koichi Iwata
- Department of Physiology, Nihon University School of Dentistry, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8310, Japan; (M.S.); (Y.H.); (A.K.); (S.S.); (S.A.); (K.S.)
- Correspondence: (J.L.); (K.I.); Tel.: +81-3-3219-8122 (J.L.); +81-3-3219-8122 (K.I.); Fax: +81-3-3219-8341 (J.L.); +81-3-3219-8341 (K.I.)
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12
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Wen JJ, Huang H, Lee SJ, Jang H, Knight J, Lee YS, Fujita M, Suzuki KM, Asano S, Kivelson SA, Kao CC, Lee JS. Observation of two types of charge-density-wave orders in superconducting La 2-xSr xCuO 4. Nat Commun 2019; 10:3269. [PMID: 31332190 PMCID: PMC6646325 DOI: 10.1038/s41467-019-11167-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 06/13/2019] [Indexed: 11/26/2022] Open
Abstract
The discovery of charge- and spin-density-wave (CDW/SDW) orders in superconducting cuprates has altered our perspective on the nature of high-temperature superconductivity (SC). However, it has proven difficult to fully elucidate the relationship between the density wave orders and SC. Here, using resonant soft X-ray scattering, we study the archetypal cuprate La2-xSrxCuO4 (LSCO) over a broad doping range. We reveal the existence of two types of CDW orders in LSCO, namely CDW stripe order and CDW short-range order (SRO). While the CDW-SRO is suppressed by SC, it is partially transformed into the CDW stripe order with developing SDW stripe order near the superconducting Tc. These findings indicate that the stripe orders and SC are inhomogeneously distributed in the superconducting CuO2 planes of LSCO. This further suggests a new perspective on the putative pair-density-wave order that coexists with SC, SDW, and CDW orders. To fully elucidate the relationship between density wave orders and superconductivity in high-Tc cuprates remains difficult. Here, the authors reveal two types of charge-density-wave orders and their intertwined relationship with spin-density-wave order and superconductivity in La2-xSrxCuO4.
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Affiliation(s)
- J-J Wen
- SLAC National Accelerator Laboratory, Menlo Park, California, 94025, USA
| | - H Huang
- SLAC National Accelerator Laboratory, Menlo Park, California, 94025, USA
| | - S-J Lee
- SLAC National Accelerator Laboratory, Menlo Park, California, 94025, USA
| | - H Jang
- SLAC National Accelerator Laboratory, Menlo Park, California, 94025, USA.,PAL-XFEL, Pohang Accelerator Laboratory, Gyeongbuk, 37673, South Korea
| | - J Knight
- SLAC National Accelerator Laboratory, Menlo Park, California, 94025, USA
| | - Y S Lee
- SLAC National Accelerator Laboratory, Menlo Park, California, 94025, USA.,Department of Applied Physics, Stanford University, Stanford, CA, 94305, USA
| | - M Fujita
- Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
| | - K M Suzuki
- Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
| | - S Asano
- Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
| | - S A Kivelson
- Departments of Physics, Stanford University, Stanford, CA, 94305, USA
| | - C-C Kao
- SLAC National Accelerator Laboratory, Menlo Park, California, 94025, USA
| | - J-S Lee
- SLAC National Accelerator Laboratory, Menlo Park, California, 94025, USA.
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13
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Abstract
Polymerase chain reaction (PCR) analysis enables rapid and accurate detection of beer-spoilage lactic acid bacteria (LAB). Hop resistance genes, horA and horC, are utilized as genetic markers to determine the spoilage ability of LAB strains. PCR analysis of horA and horC, combined with multiplex PCR methods of 12 beer-spoilage species, enables simultaneous and comprehensive detection easily and inexpensively.
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Affiliation(s)
- S Asano
- Research Laboratories for Alcohol Beverages, Department of Fermentation and Microbiology Technology, Asahi Breweries, Ltd., Ibaraki, Japan.
| | - M Shimokawa
- Research Laboratories for Alcohol Beverages, Department of Fermentation and Microbiology Technology, Asahi Breweries, Ltd., Ibaraki, Japan
| | - K Suzuki
- Research Laboratories for Alcohol Beverages, Department of Fermentation and Microbiology Technology, Asahi Breweries, Ltd., Ibaraki, Japan
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14
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Okada-Ogawa A, Sekine N, Watanabe K, Kohashi R, Asano S, Iwata K, Imamura Y. Change in muscle hardness after trigger point injection and physiotherapy for myofascial pain syndrome. J Oral Sci 2018; 61:36-44. [PMID: 30568046 DOI: 10.2334/josnusd.17-0453] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
Assessment and treatment of masticatory myofascial pain syndrome (MPS) are not standardized and remain controversial. We examined whether muscle hardness was useful for evaluating masticatory MPS and analyzed the effectiveness of treatments such as stretching and massage (SM) and trigger point injection (TPI). Twenty healthy volunteers and 20 MPS patients were enrolled. MPS patients were divided into TPI and SM treatment groups. Hardness of masticatory muscle with a taut band (TB) and change in hardness were evaluated after SM and TPI treatments. Hardness values were significantly higher in muscle including a TB (TB point) than in the muscle of healthy controls. Visual analogue scale scores were significantly lower after SM and TPI treatments, and hardness of the TB point was significantly lower after SM but not after TPI. These results suggest that measurement of muscle hardness, including the TB, is useful for evaluating masticatory MPS. However, TPI analgesia might not be caused by change in muscle hardness. The mechanisms underlying the effects of SM and TPI on reducing pain in MPS may differ and thus warrant further research.
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Affiliation(s)
- Akiko Okada-Ogawa
- Department of Oral Diagnostic Sciences, Nihon University School of Dentistry.,Division of Orofacial Pain Clinic, Nihon University Dental Hospital.,Division of Clinical Research, Dental Research Center, Nihon University School of Dentistry
| | - Naohiko Sekine
- Department of Oral Diagnostic Sciences, Nihon University School of Dentistry
| | - Kosuke Watanabe
- Department of Oral Diagnostic Sciences, Nihon University School of Dentistry
| | - Ryutaro Kohashi
- Department of Oral Diagnostic Sciences, Nihon University School of Dentistry
| | - Sayaka Asano
- Department of Oral Diagnostic Sciences, Nihon University School of Dentistry
| | - Koich Iwata
- Department of Physiology, Nihon University School of Dentistry.,Division of Functional Morphology, Dental Research Center, Nihon University School of Dentistry
| | - Yoshiki Imamura
- Department of Oral Diagnostic Sciences, Nihon University School of Dentistry.,Division of Orofacial Pain Clinic, Nihon University Dental Hospital.,Division of Clinical Research, Dental Research Center, Nihon University School of Dentistry
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15
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Miyazawa A, Ito S, Asano S, Tanaka I, Sato M, Kondo M, Hasegawa Y. P1.03-18 Mechanobiology of Lung Cancer Cells: Regulation of PD-L1 Expression by Matrix Stiffness. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.699] [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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16
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Asano S, Suzuki KM, Matsumura D, Ishii K, Ina T, Fujita M. Reduction and oxidation annealing effects on Cu K-edge XAFS for electron-doped cuprate superconductors. ACTA ACUST UNITED AC 2018. [DOI: 10.1088/1742-6596/969/1/012051] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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17
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Sakurada H, Yasuhara K, Kato K, Asano S, Yoshida M, Yamamura M, Tachi T, Teramachi H. An investigation of visual hallucinations associated with voriconazole administration to patients with hematological malignancies. Pharmazie 2018; 71:660-664. [PMID: 29441972 DOI: 10.1691/ph.2016.6725] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 09/29/2022]
Abstract
Voriconazole (VRCZ) is commonly administered to treat fungal infections in patients with hematological malignancies. Some of these patients experience VRCZ-associated visual hallucinations. We conducted a retrospective survey to investigate the characteristic features of this side effect. Patients with hematological malignancies who were treated with VRCZ for a fungal infection after hospitalization at Ichinomiya municipal hospital between 1 October 2005 and 31 December 2015 were included in this study (n = 103). Fifteen of these (14.6%) reported visual hallucinations that started on day 1-7. Seven of these 15 patients developed this symptom rapidly (day 1 or 2). Three patients had transient symptoms (lasting 2-12 days), 6 patients experienced hallucinations throughout the treatment, and the duration was unknown in 6 patients. Eleven patients experienced visual hallucinations when their eyes were closed (73 %) and these disappeared when they opened their eyes. One patient had visual hallucinations with open eyes, while the state of the eyes was unknown in 3 patients. The patients saw a range of images including people, animals, landscapes, and foods; several reported seeing images like those found in movies. In addition, 9 of 15 patients (60%) with visual hallucinations had visual disturbances. This was a higher proportion than that observed in patients who did not develop hallucinations (17 of 88; 19.3 %; P < 0.05). However, we found no significant difference between the blood VCRZ concentrations of patients who developed or did not develop visual hallucinations. This study indicated that most of these patients had visual hallucinations that manifested on eye closure, and they did not progress to serious mental illness. Our findings emphasized the importance of fully explaining the features of this symptom to each patient prior to starting VRCZ administration in order to reduce anxiety. In addition, since VRCZ discontinuation will compromise patient management, therapeutic drug monitoring should be used to increase the likelihood of successful therapy.
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18
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Asano S. Time course of estimated numbers of patients from patient survey in japan. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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19
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Kato K, Miyake K, Kondo N, Asano S, Takeda J, Takahashi A, Takashima Y, Kondo M. Conjunctival Goblet Cell Density Following Cataract Surgery With Diclofenac Versus Diclofenac and Rebamipide: A Randomized Trial. Am J Ophthalmol 2017; 181:26-36. [PMID: 28669778 DOI: 10.1016/j.ajo.2017.06.016] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 06/14/2017] [Accepted: 06/19/2017] [Indexed: 12/21/2022]
Abstract
PURPOSE To determine the effects of topical diclofenac or betamethasone with concomitant application of topical rebamipide on the conjunctival goblet cell density in eyes after cataract surgery. DESIGN Randomized clinical trial. PARTICIPANTS Eighty patients who were scheduled for cataract surgery. METHODS Patients were randomized into 4 groups according to the postoperative topical drugs to be given; Group A, diclofenac alone; Group B, diclofenac and rebamipide; Group C, betamethasone alone; and Group D, betamethasone and rebamipide. Impression cytology was performed before and at 1 month after the surgery, and the mean density of goblet cells was determined. RESULTS The mean (± SD) density of goblet cells before the surgery in Group A was 257.0 ± 188.7 cells/mm2, and it decreased significantly to 86.5 ± 76.7 cells/mm2 at 1 month after the surgery (P = .002). In Group B, the goblet cell density was not statistically different between before (238.5 ± 116.6 cells/mm2) and at 1 month after the surgery (211.3 ± 184.4 cells/mm2, P = .55). In Groups C and D, the mean density of goblet cells was decreased at 1 month after the surgery, but the decreases were not significant (P = .11 and P = .52, respectively). CONCLUSION After cataract surgery with postoperative topical diclofenac, the conjunctival goblet cell density was significantly reduced, and this reduction was blocked by the concomitant use of topical rebamipide. These results suggest that the concomitant use of topical rebamipide with nonsteroidal anti-inflammatory drugs is beneficial, especially in cases with postoperative dry eyes.
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Affiliation(s)
- Kumiko Kato
- Department of Ophthalmology, Mie University Graduate School of Medicine, Tsu, Japan.
| | - Kensaku Miyake
- Shohzankai Medical Foundation Miyake Eye Hospital, Nagoya, Japan
| | - Nagako Kondo
- Shohzankai Medical Foundation Miyake Eye Hospital, Nagoya, Japan
| | - Sayaka Asano
- Shohzankai Medical Foundation Miyake Eye Hospital, Nagoya, Japan
| | - Junko Takeda
- Shohzankai Medical Foundation Miyake Eye Hospital, Nagoya, Japan
| | - Akiko Takahashi
- Shohzankai Medical Foundation Miyake Eye Hospital, Nagoya, Japan
| | - Yuko Takashima
- Department of Ophthalmology, Mie University Graduate School of Medicine, Tsu, Japan
| | - Mineo Kondo
- Department of Ophthalmology, Mie University Graduate School of Medicine, Tsu, Japan
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20
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Mori H, Kato R, Ikeda Y, Goto K, Asano S, Tanaka S, Shiki Y, Iwanaga S, Nishimura S, Muramatsu T, Matsumoto K. P1031Elevated brain natriuretic peptide level can predict the clinical course of paroxysmal atrioventricular block. Europace 2017. [DOI: 10.1093/ehjci/eux151.211] [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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21
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Mori H, Kato R, Ikeda Y, Goto K, Asano S, Tanaka S, Shiki Y, Iwanaga S, Nishimura S, Muramatsu T, Matsumoto K. P969Percutaneous lead extraction is safe and effective for right ventricular perforation. Europace 2017. [DOI: 10.1093/ehjci/eux151.151] [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: 11/12/2022] Open
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22
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Asano S, Hirayama Y, Matsushita Y. Distribution of Tomato spotted wilt virus in dahlia plants. Lett Appl Microbiol 2017; 64:297-303. [PMID: 28129432 DOI: 10.1111/lam.12720] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [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: 11/08/2016] [Revised: 01/05/2017] [Accepted: 01/10/2017] [Indexed: 11/29/2022]
Abstract
Tomato spotted wilt virus (TSWV) causes significant losses in the production of the ornamental plant Dahlia variabilis in Japan. The purpose of this study was to examine the distribution of TSWV in dahlia plants and identify plant parts that can be used in the selection of TSWV-free plants. The distribution of TSWV was investigated using reverse transcriptional polymerase chain reaction (RT-PCR) and tissue blot immunoassay. The detection rate of TSWV in latent infected compound leaves was the highest in the petiole, and it decreased from the veins and rachis to the lamina. The tissue blot immunoassays of the leaflets showed an uneven distribution of TSWV, especially along the edge of the leaf blade. In stems, the detection rate of TSWV was high partway up the stem compared to that in the upper and the lower parts of the stem during the vegetative growth stage. A highly uneven distribution was observed in the bulb. Our results indicated that middle parts of the stem as well as the petioles, rachis, and veins of compound leaves are suitable for detection of TSWV in dahlias. This study is the first to report uneven distribution of TSWV in dahlia plants. SIGNIFICANCE AND IMPACT OF THE STUDY In this study, the distribution of Tomato spotted wilt virus (TSWV) in various parts of dahlia plants was investigated for the first time. The distribution of TSWV was uneven in compound leaves, leaflets, stems, and bulbs. The middle parts of the stem or the petiole and leaf veins should be sampled to detect TSWV when selecting healthy plants.
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Affiliation(s)
- S Asano
- Nara Prefecture Agricultural Research and Development Center, Sakurai, Japan
| | - Y Hirayama
- Nara Prefecture Agricultural Research and Development Center, Sakurai, Japan
| | - Y Matsushita
- Institute of Vegetable and Floriculture Science, NARO, Tsukuba, Japan
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23
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Asano S, Yamada S, Maki T, Muranaka Y, Mae K. Design protocol of microjet mixers for achieving desirable mixing times with arbitrary flow rate ratios. REACT CHEM ENG 2017. [DOI: 10.1039/c7re00051k] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We extensively examined the performance of microjet mixers.
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Affiliation(s)
- S. Asano
- Department of Chemical Engineering
- Graduate School of Engineering
- Kyoto University
- 6158510 Kyoto
- Japan
| | - S. Yamada
- Department of Chemical Engineering
- Graduate School of Engineering
- Kyoto University
- 6158510 Kyoto
- Japan
| | - T. Maki
- Department of Chemical Engineering
- Graduate School of Engineering
- Kyoto University
- 6158510 Kyoto
- Japan
| | - Y. Muranaka
- Department of Chemical Engineering
- Graduate School of Engineering
- Kyoto University
- 6158510 Kyoto
- Japan
| | - K. Mae
- Department of Chemical Engineering
- Graduate School of Engineering
- Kyoto University
- 6158510 Kyoto
- Japan
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24
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Fujita SI, Katagiri A, Watanabe H, Asano S, Yoshida H, Arai M. Preparation of Nitrogen-Doped Carbon from Polyacrylonitrile and its Application as a Solid-Base Catalyst. ChemCatChem 2015. [DOI: 10.1002/cctc.201500337] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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25
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Asano S, Matsushita Y, Hirayama Y, Naka T. Simultaneous detection of Tomato spotted wilt virus
,Dahlia mosaic virus
and Chrysanthemum stunt viroid
by multiplex RT-PCR in dahlias and their distribution in Japanese dahlias. Lett Appl Microbiol 2015; 61:113-20. [DOI: 10.1111/lam.12442] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Revised: 05/05/2015] [Accepted: 05/07/2015] [Indexed: 11/28/2022]
Affiliation(s)
- S. Asano
- Nara Prefectural Agricultural Research and Development Center; Kashihara Nara Japan
| | - Y. Matsushita
- NARO Institute of Floricultural Science; Tsukuba Ibaraki Japan
| | - Y. Hirayama
- Nara Prefectural Agricultural Research and Development Center; Kashihara Nara Japan
| | - T. Naka
- Nara Prefectural Agricultural Research and Development Center; Kashihara Nara Japan
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Affiliation(s)
- Hiroyuki Watanabe
- Division
of Chemical Process
Engineering, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Sayaka Asano
- Division
of Chemical Process
Engineering, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Shin-ichiro Fujita
- Division
of Chemical Process
Engineering, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Hiroshi Yoshida
- Division
of Chemical Process
Engineering, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Masahiko Arai
- Division
of Chemical Process
Engineering, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
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Tachi T, Teramachi H, Asano S, Tanaka K, Fukuta M, Osawa T, Aoyama S, Yasuda M, Mizui T, Goto C, Tsuchiya T. Impact of levofloxacin dose adjustments by dispensing pharmacists on adverse reactions and costs in the treatment of elderly patients. Pharmazie 2013; 68:977-982. [PMID: 24400446] [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] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Ensuring an appropriate dosage of renally eliminated drugs for patients with renal insufficiency is important for preventing adverse drug reactions. We investigated the effectiveness of interventions by pharmacists in a hospital pharmaceutical department. The comparative study was performed at Gifu Municipal Hospital in Japan from March to August 2011, and included an intervention (142 patients) and a control group (98 patients). Upon receiving a prescription of levofloxacin for patients aged > or = 75 years, pharmacists evaluated the patients' kidney function and adjusted the appropriate dosage at the time of dispensation. In the intervention and control groups, levofloxacin-induced adverse reactions developed in 6 of 142 (4.2%) and 13 of 98 (13.3%) patients, respectively (p < 0.05). The cost of reducing levofloxacin per patient was yen 191.1 and yen 0 in the intervention and control groups, respectively. The cost per patient for adverse reaction treatments and examinations was yen 15.5 and yen 290.0 in the intervention and control groups, respectively. The intergroup difference in the total cost per patient was yen 465.6. Dose adjustment of levofloxacin at the time of dispensation by the pharmacist for patients aged > or = 75 years resulted in a decrease in the incidence of adverse reactions and cost. These findings can be applied not only to hospitals, but also to community pharmacies, because the intervention, which is a manual system, is simply performed when pharmacists are dispensing drugs.
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Affiliation(s)
- T Tachi
- Laboratory of Clinical Pharmacy, Gifu Pharmaceutical University, Gifu, Japan.
| | - H Teramachi
- Laboratory of Clinical Pharmacy, Gifu Pharmaceutical University, Gifu, Japan
| | - S Asano
- Laboratory of Clinical Pharmacy, Gifu Pharmaceutical University, Gifu, Japan
| | - K Tanaka
- Department of Pharmacy, Gifu Municipal Hospital, Gifu, Japan
| | - M Fukuta
- Department of Pharmacy, Gifu Municipal Hospital, Gifu, Japan
| | - T Osawa
- Department of Pharmacy, Gifu Municipal Hospital, Gifu, Japan
| | - S Aoyama
- Department of Pharmacy, Gifu Municipal Hospital, Gifu, Japan
| | - M Yasuda
- Department of Pharmacy, Gifu Municipal Hospital, Gifu, Japan
| | - T Mizui
- Department of Pharmacy, Gifu Municipal Hospital, Gifu, Japan
| | - C Goto
- Department of Pharmacy, Gifu Municipal Hospital, Gifu, Japan
| | - T Tsuchiya
- Laboratory of Clinical Pharmacy, Gifu Pharmaceutical University, Gifu, Japan
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Shibama Y, Masaki K, Sakurai S, Shibanuma K, Sakasai A, Oonawa T, Araki T, Asano S. Welding technology R&D on port joint of JT-60SA vacuum vessel. Fusion Engineering and Design 2013. [DOI: 10.1016/j.fusengdes.2013.01.100] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Kodera Y, Yamamoto K, Harada M, Morishima Y, Dohy H, Asano S, Ikeda Y, Nakahata T, Imamura M, Kawa K, Kato S, Tanimoto M, Kanda Y, Tanosaki R, Shiobara S, Kim SW, Nagafuji K, Hino M, Miyamura K, Suzuki R, Hamajima N, Fukushima M, Tamakoshi A, Halter J, Schmitz N, Niederwieser D, Gratwohl A. PBSC collection from family donors in Japan: a prospective survey. Bone Marrow Transplant 2013; 49:195-200. [PMID: 24076552 DOI: 10.1038/bmt.2013.147] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2012] [Revised: 07/26/2013] [Accepted: 07/31/2013] [Indexed: 12/25/2022]
Abstract
Severe adverse events (SAE) and late hematological malignancies have been reported after PBSC donation. No prospective data on incidence and risk factors have been available for family donors so far. The Japan Society for Hematopoietic Cell Transplantation (JSHCT) introduced therefore in 2000 a mandatory registration system. It defined standards for donor eligibility and asked harvest centers to report any SAE immediately. All donors were examined at day 30 and were to be contacted once each year for a period of 5 years. Acute SAEs within day 30 were reported from 47/3264 donations (1.44%) with 14 events considered as unexpected and severe (0.58%). No donor died within 30 days. Late SAEs were reported from 39/1708 donors (2.3%). The incidence of acute SAEs was significantly higher among donors not matching the JSHCT standards (P=0.0023). Late hematological malignancies in PBSC donors were not different compared with a retrospective cohort of BM donors (N:1/1708 vs N:2/5921; P=0.53). In conclusion, acute and late SAEs do occur in PBSC donors at relatively low frequency but risk factors can be defined.
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Ludwig WJ, Ewing JI, Ewing M, Murauchi S, Den N, Asano S, Hotta H, Hayakawa M, Asanuma T, Ichikawa K, Noguchi I. Sediments and structure of the Japan Trench. ACTA ACUST UNITED AC 2012. [DOI: 10.1029/jz071i008p02121] [Citation(s) in RCA: 205] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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32
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Ogura T, Tajika M, Hijioka S, Hara K, Haba S, Hosoda W, Yatabe Y, Asano S, Higuchi K, Yamao K, Niwa Y. First report of a mucosa-associated lymphoid tissue (MALT) lymphoma of the esophagus diagnosed by endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA). Endoscopy 2012; 44 Suppl 2 UCTN:E167-8. [PMID: 22622725 DOI: 10.1055/s-0031-1291758] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- T Ogura
- Department of Gastroenterology, Aichi Cancer Center Hospital, Nagoya, Japan
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33
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Murauchi S, Den N, Asano S, Hotta H, Yoshii T, Asanuma T, Hagiwara K, Ichikawa K, Sato T, Ludwig WJ, Ewing JI, Edgar NT, Houtz RE. Crustal structure of the Philippine Sea. ACTA ACUST UNITED AC 2012. [DOI: 10.1029/jb073i010p03143] [Citation(s) in RCA: 206] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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34
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Tsukada N, Takahashi S, Ooi J, Kato S, Kawakita T, Nagamura F, Yamaguchi T, Tojo A, Asano S. Myeloablative Unrelated Cord Blood Transplantation From Grafts With Three HLA Antigen Mismatches Resulted in Superior Outcomes for Patients With De Novo Acute Leukemias. Biol Blood Marrow Transplant 2011. [DOI: 10.1016/j.bbmt.2010.12.551] [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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35
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Vanhecke D, Asano S, Kochovski Z, Fernandez-Busnadiego R, Schrod N, Baumeister W, Lučić V. Cryo-electron tomography: methodology, developments and biological applications. J Microsc 2010; 242:221-7. [PMID: 21175615 DOI: 10.1111/j.1365-2818.2010.03478.x] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Cryo-electron tomography allows three-dimensional visualization of frozen-hydrated, vitrified biological material at molecular resolution. Here, we summarize the most important sample preparation methods and technical aspects relevant for cryo-electron tomography, as well as its recent biological applications from isolated macromolecular complexes to entire cells and tissues.
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Affiliation(s)
- D Vanhecke
- Max Planck Institute of Biochemistry, Martinsried, Germany
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36
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Tsukada N, Takahashi S, Ooi J, Tomonari A, Mae H, Konuma T, Kato S, Sato A, Kasahara S, Monma F, Oiwa-Monna M, Asano S, Tojo A. The Importance of Blood Cyclosporine Level During Four Weeks After Unrelated Cord Blood Transplantation to Prevent Severe Graft-Versus-Host Disease. Biol Blood Marrow Transplant 2009. [DOI: 10.1016/j.bbmt.2008.12.152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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37
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Konuma T, Ooi J, Takahashi S, Tomonari A, Tsukada N, Kato S, Sato A, Monma F, Hongo E, Uchimaru K, Tojo A, Asano S. Donor cell-derived myelodysplastic syndrome after cord blood transplantation. Bone Marrow Transplant 2008; 43:429-31. [PMID: 18978827 DOI: 10.1038/bmt.2008.344] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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38
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Ooi J, Takahashi S, Tomonari A, Tsukada N, Konuma T, Kato S, Kasahara S, Sato A, Monma F, Nagamura F, Iseki T, Tojo A, Asano S. Unrelated cord blood transplantation after myeloablative conditioning in adults with ALL. Bone Marrow Transplant 2008; 43:455-9. [PMID: 18955981 DOI: 10.1038/bmt.2008.347] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
We analyzed the disease-specific outcomes of adult ALL treated with cord blood transplantation (CBT) after myeloablative conditioning. Between October 2000 and November 2007, 27 adult patients with ALL were treated with unrelated CBT. All patients received four fractionated 12 Gy TBI and chemotherapy as myeloablative conditioning. The median age was 36 years, the median weight was 57 kg and the median number of nucleated cells was 2.47 x 10(7)/kg. All patients received a single and HLA-mismatched cord blood unit. The cumulative incidence of neutrophil recovery at day 30 and platelet recovery at day 200 was 92.6 and 92.3%, respectively. With a median follow-up of 47 months, the probability of EFS at 5 years was 57.2%. The 5-year cumulative incidence of TRM and relapse was 3.7 and 27.4%, respectively. These results suggest that unrelated CBT after myeloablative conditioning could be safely and effectively used for adult patients with ALL.
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Affiliation(s)
- J Ooi
- Department of Hematology and Oncology, Institute of Medical Science, University of Tokyo, Tokyo, Japan.
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Matsuno A, Ide F, Tanaka H, Asano S, Miyawaki S, Uno T, Tanaka J, Nakaguchi H, Sasaki M, Murakami M, Fuke N. Oral administration of cilnidipine to patients with hypertensive intracerebral hemorrhage in the acute stage: significance and role of an N-type calcium channel blocker. Ir J Med Sci 2008; 178:419-22. [PMID: 18841437 DOI: 10.1007/s11845-008-0224-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2007] [Accepted: 09/10/2008] [Indexed: 11/29/2022]
Abstract
BACKGROUND Elevated blood pressure (BP) causes rebleeding or enlargement of intracerebral hematomas. AIMS How a long-acting oral calcium channel blocker, cilnidipine, could control BP in the acute stage of cerebral hemorrhage was evaluated. METHODS AND RESULTS Cilnidipine given within 3 days of hospitalization has more benefit than cilnidipine given after 4 days of hospitalization; it can reduce the amount of intravenous nicardipine, and it can help to maintain the BP below 80% of the initial BP. Surgical removal of the hematoma has no benefit in reducing the amount of intravenous nicardipine and maintaining the BP below 80% of the initial BP. CONCLUSION In order to reduce the total amount of intravenous nicardipine and to maintain the BP below 80% of the initial BP, oral administration of a long-acting N-type calcium channel blocker, cilnidipine, is useful and important, independent of whether the hematomas are surgically removed.
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Affiliation(s)
- A Matsuno
- Department of Neurosurgery, Teikyo University Chiba Medical Center, Anesaki, Ichihara, Chiba, Japan.
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Magari S, Akashi Y, Asano S. Über die feinstrukturellen Veränderungen im Ependym des III. Ventrikels des Kaninchens bei experimenteller Blockade des zervikalen Lymphsystems. Cells Tissues Organs 2008. [DOI: 10.1159/000143996] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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41
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Asano S, Ichikawa Y, Kumagai T, Kawashima M, Imokawa G. Microanalysis of an antimicrobial peptide, β-defensin-2, in the stratum corneum from patients with atopic dermatitis. Br J Dermatol 2008; 159:97-104. [DOI: 10.1111/j.1365-2133.2008.08613.x] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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42
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Tomonari A, Takahashi S, Ooi J, Tsukada N, Konuma T, Kato S, Kasahara S, Iseki T, Tojo A, Asano S. No occurrence of Pneumocystis jiroveci (carinii) pneumonia in 120 adults undergoing myeloablative unrelated cord blood transplantation. Transpl Infect Dis 2008; 10:303-7. [PMID: 18564982 DOI: 10.1111/j.1399-3062.2008.00321.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The incidence of pneumonia caused by Pneumocystis carinii (PCP) (organism now renamed Pneumocystis jiroveci) during the early period after cord blood transplantation (CBT) was studied in 120 adults. Initially 89 patients (74%) received oral administration of 2 single-strength trimethoprim-sulfamethoxazole (TMP-SMZ) tablets twice daily from day -21. In 45 of 89 patients (51%), TMP-SMZ administration for a scheduled duration was completed. In the remaining 44 patients (49%), however, TMP-SMZ administration was discontinued prior to day -3 because of toxicity. Among these patients, 42 subsequently received aerosolized pentamidine (AP) on a median of day -13 (range, -20 to -6). Thirty-one patients (26%) received AP without TMP-SMZ administration on a median of day -14 (range, -21 to -9). None of the 120 patients were diagnosed with PCP within 100 days or 2 years after CBT; however, one patient who received AP before CBT but no prophylaxis after CBT developed cerebral toxoplasmosis on day +91. Pre-transplant prophylaxis against PCP did not significantly affect transplantation-related mortality or disease-free survival at 2 years after CBT. The results suggest that PCP during the early period after CBT can be effectively prevented by any pre-transplant prophylactic method.
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Affiliation(s)
- A Tomonari
- Department of Hematology/Oncology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan.
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Suzuki K, Asano S, Iijima K, Kuriyama H, Kitagawa Y. Development of detection medium for hard-to-culture beer-spoilage lactic acid bacteria. J Appl Microbiol 2008; 104:1458-70. [DOI: 10.1111/j.1365-2672.2007.03669.x] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.4] [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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44
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Tomonari A, Takahashi S, Ooi J, Tsukada N, Konuma T, Kato S, Kasahara S, Iseki T, Tojo A, Asano S. Blood eosinophilia after unrelated cord blood transplantation for adults. Bone Marrow Transplant 2008; 42:63-5. [DOI: 10.1038/bmt.2008.78] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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45
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Asano S, Miyake K, Miyake S, Ota I. Relationship between blood-aqueous barrier disruption and ischemic macular edema in patients with branch or central retinal vein occlusion: effects of sub-tenon triamcinolone acetonide injection. J Ocul Pharmacol Ther 2008; 23:577-84. [PMID: 18001246 DOI: 10.1089/jop.2007.0057] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
PURPOSE The aim of this study was to study the effects of the sub-Tenon triamcinolone acetonide (STA) injection on ischemic cystoid macular edema (CME) or macular edema (ME) and blood-aqueous barrier (BAB) disruption associated with branch or central retinal vein occlusion (BRVO or CRVO). METHODS Prior to, and 1, 2, 3, and 4 months after, STA injection, central retinal thickness was measured by using optical coherence tomography and the amount of aqueous flare by using laser flare metry. RESULTS In the BRVO group treated by STA, the amount of flare was significantly less at 1, 2, and 3 months after injection than in the untreated BRVO group (P < 0.05). In the CRVO group treated by STA, the amount was significantly less at 1 month after injection than in the untreated CRVO group (P < 0.05). In the BRVO group with STA treatment, central retinal thickness was significantly less at 1 and 2 months after the treatment than in the untreated BRVO group (P < 0.05). In the CRVO group with STA treatment, the thickness was significantly less at 1 month after treatment than in the untreated CRVO group (P < 0.05). A correlation test revealed the amount of aqueous flare and the central retinal thickness to be well correlated (P < 0.01). CONCLUSIONS The effects of STA and its time course on CME or ME correlated well with those on BAB disruption. Since there is the close correlation between the BAB and blood-retinal barrier function, the effects of medical treatment on ME associated with BRVO or CRVO can be evaluated by means of the BAB function.
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Affiliation(s)
- Sayaka Asano
- Shohzankai Medical Foundation, Miyake Eye Hospital, Nagoya, Japan
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46
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Ooi J, Takahashi S, Tomonari A, Tsukada N, Konuma T, Kato S, Kasahara S, Tojo A, Asano S. 14: Unrelated Cord Blood Transplantation After Myeloablative Conditioning in 98 Adult Patients with Acute Leukemia: A Single-Institute Experience in Japan. Biol Blood Marrow Transplant 2008. [DOI: 10.1016/j.bbmt.2007.12.022] [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: 11/24/2022]
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47
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Kojima K, Oritani K, Nakatsukasa T, Asano S, Sahara K, Bando H. Ecdysone response element in a baculovirus immediate-early gene, ie1, promoter. Virus Res 2007; 130:202-9. [PMID: 17658648 DOI: 10.1016/j.virusres.2007.06.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2007] [Revised: 06/12/2007] [Accepted: 06/13/2007] [Indexed: 11/23/2022]
Abstract
A computer-assisted analysis identified tentative target sequences for regulatory proteins including ecdysone-inducible factors such as BmFTZ-F1 and Broad-Complex Z4 (BR-C Z4) in the ie1 promoter of BmNPV. A transient expression experiment using BmN cells and a series of truncated ie1 promoter constructs demonstrated that the activity of the ie1 promoter responded to alpha-ecdysone and 20-hydroxyecdysone, which required a tridecameric nucleotide stretch (ie1EcRE, 5'-GTGTTATCGACCT-3') homologous to the ecdysone response element reported for Drosophila (DmEcRE). RT-PCR demonstrated the expression of BmEcR and BmUSP, which are required as ecdysone-specific activators for EcRE-mediated activation, in BmN cells. Furthermore, the ie1 EcRE-mediated response was confirmed by using a recombinant BmNPV possessing a luciferase gene under the control of the ie1 promoter with or without ie1 EcRE. This is the first report of an ecdysone response element in a baculoviral gene promoter. These results also suggested that the regulation of the ie1 by ecdysone may militate viral replication at least under certain conditions during natural infections in vivo.
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Affiliation(s)
- K Kojima
- Silk-Materials Research Unit, National Institute of Agrobiological Sciences, 1-2 Owashi, Tsukuba, Ibaraki 305-8634, Japan
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Miyake K, Nishimura K, Harino S, Ota I, Asano S, Kondo N, Miyake S. The Effect of Topical Diclofenac on Choroidal Blood Flow in Early Postoperative Pseudophakias with Regard to Cystoid Macular Edema Formation. ACTA ACUST UNITED AC 2007; 48:5647-52. [DOI: 10.1167/iovs.07-0262] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Affiliation(s)
- Kensaku Miyake
- From the Shohzankai Medical Foundation, Miyake Eye Hospital, Nagoya, Japan; and the
| | - Kazuo Nishimura
- From the Shohzankai Medical Foundation, Miyake Eye Hospital, Nagoya, Japan; and the
| | | | - Ichiro Ota
- From the Shohzankai Medical Foundation, Miyake Eye Hospital, Nagoya, Japan; and the
| | - Sayaka Asano
- From the Shohzankai Medical Foundation, Miyake Eye Hospital, Nagoya, Japan; and the
| | - Nagako Kondo
- From the Shohzankai Medical Foundation, Miyake Eye Hospital, Nagoya, Japan; and the
| | - Sampei Miyake
- From the Shohzankai Medical Foundation, Miyake Eye Hospital, Nagoya, Japan; and the
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Nagamura-Inoue T, Kodo H, Takahashi TA, Mugishima H, Tojo A, Asano S. Four cases of donor cell-derived AML following unrelated cord blood transplantation for adult patients: experiences of the Tokyo Cord Blood Bank. Cytotherapy 2007; 9:727-8. [PMID: 17917889 DOI: 10.1080/14653240701466339] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Tomonari A, Takahashi S, Ooi J, Tsukada N, Konuma T, Kobayashi T, Sato A, Iseki T, Yamaguchi T, Tojo A, Asano S. Impact of ABO incompatibility on engraftment and transfusion requirement after unrelated cord blood transplantation: a single institute experience in Japan. Bone Marrow Transplant 2007; 40:523-8. [PMID: 17646845 DOI: 10.1038/sj.bmt.1705765] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The impact of ABO incompatibility between donor and recipient on engraftment and transfusion requirement was studied in 95 adults who underwent unrelated cord blood transplantation (CBT). The patients included 27 ABO-identical, 29 minor, 21 major and 18 bidirectional ABO-incompatible recipients. Neutrophil engraftment did not differ between ABO-identical/minor ABO-incompatible and major/bidirectional ABO-incompatible recipients (hazard ratio (HR) 1.17, P=0.48). Cumulative incidence of platelet engraftment in ABO-identical/minor ABO-incompatible recipients was higher than in major/bidirectional ABO-incompatible recipients (HR 1.88, P=0.013). In addition, fewer platelet transfusions were required during the first 60 days after CBT in ABO-identical/minor ABO-incompatible recipients (HR 0.80, P=0.040). RBC engraftment did not differ between the two groups (HR 1.25, P=0.33). However, fewer RBC transfusions were required in ABO-identical/minor ABO-incompatible recipients than in major/bidirectional ABO-incompatible recipients (HR 0.74, P<0.005). No patients developed pure red-cell aplasia after CBT. These results indicate that ABO incompatibility affected platelet engraftment and transfusion requirement of RBC and platelet in CBT recipients. Further studies including larger patient numbers are required to elucidate the impact of ABO incompatibility on the clinical outcome of CBT.
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Affiliation(s)
- A Tomonari
- Department of Hematology/Oncology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan.
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