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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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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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Takeishi K, Yamamoto S, Sato Y, Takahashi O, Fujita N, Abe K, Fukui Y, Kameda M, Uchida T, Nagasaka Y. Hemolysis Precedes Urine Color Change in Patients Undergoing Open-Heart Surgery on Cardiopulmonary Bypass. Cureus 2023; 15:e49971. [PMID: 38179377 PMCID: PMC10766211 DOI: 10.7759/cureus.49971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/04/2023] [Indexed: 01/06/2024] Open
Abstract
PURPOSE Red-colored urine often occurs in patients in the perioperative period who undergo cardiac surgery using cardiopulmonary bypass (CPB). This urine color change has been utilized for approximating hemolysis during CPB without a proven relationship for ongoing hemolysis. This case series study aimed to examine the relationship between plasma free hemoglobin (Hb) levels and quantified measures of urine color. METHODS Ten patients were enrolled in this study. Blood and urine were collected for analyses for the following time points: before surgery, two hours after the initiation of CPB, every 30 min during CPB thereafter, and 0, 2, 4, 12, and 24 hours after the completion of CPB. We measured free Hb in plasma and urine using the azide-methemoglobin method. Photographs of urine were obtained, and the luminance of the three basic colors (red/green/blue) was analyzed by quantitative luminance contrast analysis to find a correlation for hemolysis. RESULTS Median levels of plasma free Hb were 0.015 (0.010-0.080, n = 10) g/dL at baseline. During the CPB, increases in plasma free Hb levels were measured: median plasma free Hb levels were increased to 0.100 g/dL (0.020-0.240, p = 0.039, vs. baseline, n = 9) at two hours into CPB, median and range, respectively. In contrast, increases in urinary free Hb levels and/or urine color changes were measured only after cessation of CPB in nine patients. CONCLUSION Urine color change or elevation of urinary free Hb levels followed the elevation of plasma free Hb levels with considerable delay.
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Affiliation(s)
- Kenta Takeishi
- Department of Anesthesiology, St. Luke's International Hospital, Tokyo, JPN
- Department of Anesthesiology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, JPN
| | - Suguru Yamamoto
- Department of Anesthesiology, School of Medicine, Tokyo Women's Medical University Hospital, Tokyo Women's Medical University, Tokyo, JPN
| | - Yasuto Sato
- Graduate School of Public Health, Shizuoka Graduate University of Public Health, Shizuoka, JPN
| | - Osamu Takahashi
- Graduate School of Public Health, St. Luke's International University, Tokyo, JPN
| | - Nobuko Fujita
- Department of Anesthesiology, St. Luke's International Hospital, Tokyo, JPN
| | - Kohei Abe
- Department of Cardiovascular Surgery, St. Luke's International Hospital, Tokyo, JPN
| | - Yoko Fukui
- Department of Anesthesiology, St. Luke's International Hospital, Tokyo, JPN
| | - Megumi Kameda
- Department of Anesthesiology, St. Luke's International Hospital, Tokyo, JPN
| | - Tokujiro Uchida
- Department of Anesthesiology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, JPN
| | - Yasuko Nagasaka
- School of Medicine, Tokyo Women's Medical University Hospital, Tokyo Women's Medical University, Tokyo, JPN
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Ohata M, Nawa N, Minami K, Uchida T, Fujiwara T. Impact of preoperative intervention for smoking cessation on postoperative length of stay and cost for spine surgery patients: Propensity score matching analysis. Anaesth Crit Care Pain Med 2023; 42:101270. [PMID: 37379968 DOI: 10.1016/j.accpm.2023.101270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 06/12/2023] [Accepted: 06/20/2023] [Indexed: 06/30/2023]
Abstract
BACKGROUND Preoperative intervention for smoking cessation reduces the prevalence of postoperative complications in spine surgery. To date, however, the impact of these interventions on the length of stay (LOS) and cost for patients is unclear. PATIENTS/METHODS This retrospective cohort study analyzed data from 317 patients who were current smokers and underwent spine surgery between January 2014 and December 2019 at a single facility in Tokyo, Japan. Most patients (262) received preoperative intervention for smoking cessation within 60 days before spine surgery; the remaining 55 patients did not receive the intervention. The postoperative LOS was compared using propensity score matching. Patients were matched for age, gender, body mass index, surgical plan (cervical surgery, anterior approach surgery, minimally invasive surgery), preoperative comorbidities (diabetes mellitus, hypertension, ischemic cardiac disease, chronic lung disease), and recent history of steroid therapy, which yielded 48 pairs of patients. RESULTS The length of postoperative hospital stay was significantly shorter in the intervention group (-10.60 days, [95% CI, -15.79 to -5.42]). The cost for service was significantly lower in the intervention group (coefficient, Japanese yen [JPY] -1,515,529; [95% CI, -2,130,631 to -900,426]; 110 JPY equivalent to 1 United States dollar). CONCLUSIONS Preoperative interventions for smoking cessation may decrease postoperative hospital stay and hospitalization costs.
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Affiliation(s)
- Megumi Ohata
- Department of Anesthesiology, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8510, Japan; Department of Anesthesiology, Musashino Red Cross Hospital, 1-26-1 Kyounan-chou, Musashino-shi, Tokyo 180-8610, Japan.
| | - Nobutoshi Nawa
- Department of Global Health Promotion, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8510, Japan.
| | - Kotaro Minami
- Department of Anesthesiology, Musashino Red Cross Hospital, 1-26-1 Kyounan-chou, Musashino-shi, Tokyo 180-8610, Japan.
| | - Tokujiro Uchida
- Department of Anesthesiology, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8510, Japan.
| | - Takeo Fujiwara
- Department of Global Health Promotion, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8510, Japan.
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Maeda A, Suzuki R, Maurer R, Kurokawa S, Kaneko M, Sato R, Nakajima H, Ogura K, Yamanaka M, Uchida T, Nagasaka Y. Physical and psychological recovery after vaginal childbirth with and without epidural analgesia: A prospective cohort study. PLoS One 2023; 18:e0292393. [PMID: 37797060 PMCID: PMC10553803 DOI: 10.1371/journal.pone.0292393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 09/19/2023] [Indexed: 10/07/2023] Open
Abstract
BACKGROUND Enhanced recovery is the gold standard in modern perioperative management, including that for cesarean deliveries. However, qualitative and quantitative data on the physical and psychological recovery of women after vaginal childbirth are limited. Whether neuraxial labor analgesia influences postpartum recovery is unknown. METHODS Primiparous women anticipating a vaginal childbirth between January 2020 and May 2021 were enrolled. Women with major comorbidities or postpartum complications and those who underwent a cesarean delivery were excluded. Daily step count was measured using a wrist-worn activity tracker (FitbitTM Inspire HR) for 120 hours after vaginal childbirth. Subjective fatigue levels and health-related quality of life were assessed using the Multidimensional Fatigue Inventory (MFI) and EuroQol 5 Dimension 5 Level (EQ-5D-5L), respectively, at the 3rd trimester antenatal visit, on postpartum day 1 and 3, and at the one-month postpartum visit. Rest and dynamic pain scores and the location of pain were documented by participants during postpartum hospitalization. RESULTS Among 300 women who were enrolled antenatally, 95 and 116 had a vaginal delivery without (NCB group) and with (EPL group) epidural analgesia, respectively. The median number of steps per 24 hours increased daily in both groups, and no significant difference was detected between the groups. Postpartum pain was mild overall, with median rest and dynamic pain scores being less than 4 and similar between the groups. MFI and EQ-5D-5L scores were the worst on postpartum day 1 in both groups and gradually improved to antepartum level by the one-month postpartum visit. Higher MFI score on postpartum day 1, but not the use of epidural analgesia, was associated with lower odds of achieving adequate postpartum ambulation (defined as >3500 steps between 48 and 72 hours postpartum). CONCLUSION The use of epidural analgesia was not associated with worse recovery outcomes during postpartum hospitalization. TRIAL REGISTRATION UMIN-CTR, #UMIN000039343, registered on January 31, 2020.
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Affiliation(s)
- Ayumi Maeda
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States of America
| | - Rimu Suzuki
- Department of Anesthesia, St. Luke’s International Hospital, Tokyo, Japan
| | - Rie Maurer
- Center for Clinical Investigation, Brigham and Women’s Hospital, Boston, MA, United States of America
| | - Sumie Kurokawa
- Department of Nursing, St. Luke’s International Hospital, Tokyo, Japan
| | - Miki Kaneko
- Department of Nursing, St. Luke’s International Hospital, Tokyo, Japan
| | - Rie Sato
- Department of Nursing, St. Luke’s International Hospital, Tokyo, Japan
| | - Hiromi Nakajima
- Department of Nursing, St. Luke’s International Hospital, Tokyo, Japan
| | - Kyoko Ogura
- Department of Nursing, St. Luke’s International Hospital, Tokyo, Japan
| | - Michiko Yamanaka
- Department of Integrated Women’s Health, Center for Medical Genetics and St. Luke’s International Hospital, Tokyo, Japan
| | - Tokujiro Uchida
- Department of Anesthesiology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yasuko Nagasaka
- Department of Anesthesia, Tokyo Women’s Medical University, Tokyo, Japan
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Ishibashi H, Wakejima R, Kurihara Y, Seto K, Baba S, Asakawa A, Toyama S, Uchida T, Okubo K. Extubation by supraglottic airway after lobectomy prevents cough associated air leaks and prolonged coughing or sore throat. Eur J Cardiothorac Surg 2023; 63:7133743. [PMID: 37079745 DOI: 10.1093/ejcts/ezad158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 04/07/2023] [Accepted: 04/18/2023] [Indexed: 04/22/2023] Open
Abstract
BACKGROUND Double-lumen endobronchial tubes are essential for differential lung ventilation during pulmonary lobectomy, but they are more rigid, longer, larger in diameter, and irritable. Coughing at extubation sometimes causes airway and lung injury, which causes severe air leaks, prolonged cough, and sore throat. We examined the prevalence of cough associated air leaks at extubation and postoperative cough or sore throat after lobectomy, and evaluated the efficacy of supraglottic airway in preventing these complications. METHODS Patient characteristics, and operative and postoperative factors data were collected from patients who underwent pulmonary lobectomy between January 2013 and March 2022. After propensity score matching, these data were compared between the supraglottic airway and double-lumen endobronchial tubes groups. RESULTS 1069 patients with lung cancer (supraglottic airway, 641; double-lumen endobronchial tubes, 428) were enrolled and coughing at extubation occurred in 100 (23.4%) patients in the double-lumen endobronchial tubes group, 65 (65.0%) showed increased cough associated air leaks at extubation and 20 (30.8%) showed prolonged air leaks. Coughing at extubation occurred in 6 (0.9%) in the supraglottic airway group. In 193 patients from each group after propensity score matching, coughing at extubation and the associated air leak increase were significantly lower in the supraglottic airway group. Visual analogue scale of postoperative cough and sore throat on postoperative days 2, 7, and 30 were significantly lower in the supraglottic airway group. CONCLUSIONS Supraglottic airway is effective and safe for preventing cough associated air leaks and prolonged postoperative cough or sore throat at extubation following pulmonary lobectomy.
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Affiliation(s)
- Hironori Ishibashi
- Department of Thoracic Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8519, Japan
| | - Ryo Wakejima
- Department of Thoracic Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8519, Japan
| | - Yasuyuki Kurihara
- Department of Thoracic Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8519, Japan
| | - Katsutoshi Seto
- Department of Thoracic Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8519, Japan
| | - Shunichi Baba
- Department of Thoracic Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8519, Japan
| | - Ayaka Asakawa
- Department of Thoracic Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8519, Japan
| | - Satoshi Toyama
- Department of Anesthesiology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8519, Japan
| | - Tokujiro Uchida
- Department of Anesthesiology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8519, Japan
| | - Kenichi Okubo
- Department of Thoracic Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8519, Japan
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Zeng Y, Yamamoto Y, Hayashi Y, Uchida T. Evaluation of fibrinogen concentration by clot firmness using a dielectric blood coagulation test system. J Anesth 2023; 37:56-63. [PMID: 36316533 DOI: 10.1007/s00540-022-03131-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 10/20/2022] [Indexed: 11/05/2022]
Abstract
PURPOSE To determine if fibrinogen concentration can be evaluated by dielectric permittivity changes in dielectric blood coagulation testing (DBCM) during cardiovascular surgery with cardiopulmonary bypass (CPB). METHODS We performed a single-center prospective observational study at a university hospital. One hundred patients undergoing cardiovascular surgery with CPB were enrolled. Whole-blood samples were obtained after weaning from CPB, and dielectric clot strength (DCS) was measured by intrinsic pathway testing with or without heparinase in DBCM. The FIBTEM test was performed during rotational thromboelastometry using the same samples, and maximum clot firmness (MCF) was evaluated. Spearman's correlation analysis was performed, and receiver operating characteristics (ROC) curve analyses were used to evaluate the performance of hypofibrinogenemia detection. RESULTS DCS showed a strong positive correlation with plasma fibrinogen concentration (Rs = 0.76, P < 0.0001). The area under the ROC curve for evaluating plasma fibrinogen concentration < 200 mg/dL was 0.91 (95% confidence interval (CI) 0.85-0.97) for DCS, compared with 0.88 (95% CI 0.81-0.94) for FIBTEM MCF. The optimal cutoff value of DCS was 17.0 (sensitivity 94%, specificity 80%). CONCLUSIONS DCS variables showed a significantly strong correlation with plasma fibrinogen concentration, and the diagnostic performance for hypofibrinogenemia was comparable to that for FIBTEM MCF. This novel methodology has the potential to provide a point-of-care test with sufficient accuracy for the detection of perioperative hypofibrinogenemia during cardiovascular surgery with CPB.
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Affiliation(s)
- Yulin Zeng
- Department of Anesthesiology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8519, Japan
| | - Yudai Yamamoto
- Department of Anesthesiology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8519, Japan
| | - Yoshihito Hayashi
- Biomedical R&D Department, R&D Division, Medical Business Group, Sony Imaging Products & Solutions Inc., Bunkyo-Ku, Tokyo, 113-8519, Japan
- Tokyo Laboratory 11, R&D Center, Sony Group Corporation, Bunkyo-Ku, Tokyo, 113-8519, Japan
| | - Tokujiro Uchida
- Department of Anesthesiology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8519, Japan.
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Maeda A, Shimada G, Fujita N, Suzuki R, Yamanaka M, Takahashi O, Uchida T, Nagasaka Y. Acute pain and analgesic requirement after vaginal childbirth with and without neuraxial labor analgesia-Retrospective cohort study. PLoS One 2023; 18:e0284106. [PMID: 37071650 PMCID: PMC10112800 DOI: 10.1371/journal.pone.0284106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 03/23/2023] [Indexed: 04/19/2023] Open
Abstract
BACKGROUND Few data are available on the intensity of pain that women experience during the first five days after vaginal childbirth. Moreover, it is unknown if the use of neuraxial labor analgesia has any impact on the level of postpartum pain. METHODS We performed a retrospective cohort study based on chart review of all women who delivered vaginally at an urban teaching hospital between April 2017 and April 2019. The primary outcome was the area under the curve of pain score on numeric rating scale (NRS) documented in electronic medical records for five days postpartum (NRS-AUC5days). Secondary outcomes included peak NRS score, doses of oral and intravenous analgesics consumed during the first five days postpartum, and relevant obstetric outcomes. Logistic regression was used to examine the associations between the use of neuraxial labor analgesia and pain-related outcomes adjusting for potential confounders. RESULTS During the study period, 778 women (38.6%) underwent vaginal delivery with neuraxial analgesia and 1240 women (61.4%) delivered without neuraxial analgesia. Median (Interquartile range) of NRS-AUC5days was 0.17 (0.12-0.24) among women who received neuraxial analgesia and 0.13 (0.08-0.19) among women who did not (p<0.001). Women who received neuraxial analgesia were more likely to require the first- and second-line analgesics postpartum than women who did not: diclofenac (87.9% vs. 73.0%, p< 0.001, respectively); acetaminophen (40.7% vs. 21.0%, p< 0.001, respectively). The use of neuraxial labor analgesia was independently associated with increased odds of having NRS-AUC5days in the highest 20 percentile (adjusted odds ratio [aOR] 2.03; 95% confidence interval [CI] 1.55-2.65), having peak NRS ≥ 4 (aOR 1.54; 95% CI 1.25-1.91) and developing hemorrhoids during the postpartum hospitalization (aOR 2.13; 95% CI 1.41-3.21) after adjusting for relevant confounders. CONCLUSION Although women who used neuraxial labor analgesia had slightly higher pain scores and increased analgesic requirement during postpartum hospitalization, pain after vaginal childbirth was overall mild. The small elevation in the pain burden in neuraxial group does not seem to be clinically relevant and should not influence women's choice to receive labor analgesia.
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Affiliation(s)
- Ayumi Maeda
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States of America
| | - Gen Shimada
- Department of General Surgery, Hernia Center, St. Luke's International Hospital, Tokyo, Japan
| | - Nobuko Fujita
- Department of Anesthesia, St. Luke's International Hospital, Tokyo, Japan
| | - Rimu Suzuki
- Department of Anesthesia, St. Luke's International Hospital, Tokyo, Japan
| | - Michiko Yamanaka
- Department of Integrated Women's Health, Center for Medical Genetics, St. Luke's International Hospital, Tokyo, Japan
| | - Osamu Takahashi
- Graduate School of Public Health, St. Luke's International University, Tokyo, Japan
| | - Tokujiro Uchida
- Department of Anesthesiology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yasuko Nagasaka
- Department of Anesthesia, Tokyo Women's Medical University, Tokyo, Japan
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Yamamoto H, Uchida Y, Kurimoto R, Chiba T, Matsushima T, Ito Y, Inotsume M, Miyata K, Watanabe K, Inada M, Goshima N, Uchida T, Asahara H. RNA-binding protein LIN28A upregulates transcription factor HIF1α by posttranscriptional regulation via direct binding to UGAU motifs. J Biol Chem 2022; 299:102791. [PMID: 36509142 PMCID: PMC9823215 DOI: 10.1016/j.jbc.2022.102791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/02/2022] [Accepted: 12/06/2022] [Indexed: 12/14/2022] Open
Abstract
Hypoxia-inducible factor 1α (HIF1α) is a transcription factor that regulates angiogenesis under hypoxic conditions. To investigate the posttranscriptional regulatory mechanism of HIF1α, we performed a cell-based screening to reveal potential cis-elements and the regulatory RNA-binding proteins that act as trans-factors. We found that LIN28A promoted HIF1α protein expression independently of the downregulation of microRNA let-7, which is also directly mediated by LIN28A. Transcriptome analysis and evaluation of RNA stability using RNA-seq and SLAM-seq analyses, respectively, revealed that LIN28A upregulates HIF1A expression via mRNA stabilization. To investigate the physical association of LIN28A with HIF1A mRNA, we performed enhanced crosslinking immunoprecipitation in 293FT cells and integrally analyzed the transcriptome. We observed that LIN28A associates with HIF1A mRNA via its cis-element motif "UGAU". The "UGAU" motifs are recognized by the cold shock domain of LIN28A, and the introduction of a loss-of-function mutation to the cold shock domain diminished the upregulatory activities performed by LIN28A. Finally, the microvessel density assay showed that the expression of LIN28A promoted angiogenesis in vivo. In conclusion, our study elucidated the role of LIN28A in enhancing the HIF1α axis at the posttranscription layer.
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Affiliation(s)
- Hiroto Yamamoto
- Department of Systems BioMedicine, Tokyo Medical and Dental University (TMDU), Tokyo, Japan,Department of Anesthesiology, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Yutaro Uchida
- Department of Systems BioMedicine, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Ryota Kurimoto
- Department of Systems BioMedicine, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Tomoki Chiba
- Department of Systems BioMedicine, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Takahide Matsushima
- Department of Systems BioMedicine, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Yoshiaki Ito
- Department of Systems BioMedicine, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Maiko Inotsume
- Department of Systems BioMedicine, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Kohei Miyata
- Department Obstetrics and Gynecology, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
| | - Kenta Watanabe
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Masaki Inada
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Naoki Goshima
- Biomedicinal Information Research Center, The National Institute of Advanced Industrial Science and Technology, Tokyo, Japan,Department of Human Science, Faculty of Human Science, Musashino University, Tokyo, Japan
| | - Tokujiro Uchida
- Department of Anesthesiology, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Hiroshi Asahara
- Department of Systems BioMedicine, Tokyo Medical and Dental University (TMDU), Tokyo, Japan,Department of Molecular and Experimental Medicine, The Scripps Research Institute, San Diego, California, USA,For correspondence: Hiroshi Asahara
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Morishita K, Kudo A, Uchida T, Kurashima N, Toba M, Ito K, Otomo Y. Unexpected Mechanical Ventilation Dysfunction in a Coronavirus Disease Patient With Severe Pneumonia Due to the Oxygen Flowsensor Failure. J Patient Saf 2022; 18:e867-e868. [PMID: 35948298 DOI: 10.1097/pts.0000000000000952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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11
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Uchida T, Kubota T, Tanabe R, Yamazaki K, Gohara K. Behavior of stimulus response signals in a rat cortical neuronal network under Xe pressure. Neuroscience 2022; 496:38-51. [DOI: 10.1016/j.neuroscience.2022.05.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 05/12/2022] [Accepted: 05/19/2022] [Indexed: 11/15/2022]
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Uchida T, Teramoto T, Fukizawa S, Kato H, Nonaka Y, Suematsu M, Murayama N. Characteristics of the glycometabolic categories based on the oral glucose tolerance test results in Japanese adults without diabetes. Eur Rev Med Pharmacol Sci 2022; 26:2765-2774. [PMID: 35503621 DOI: 10.26355/eurrev_202204_28606] [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] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE We aimed to classify Japanese adults without diabetes into different categories based on the oral glucose tolerance test (OGTT) and characterize their insulin sensitivity and insulin secretion. PATIENTS AND METHODS The OGTT was performed on 1,085 Japanese individuals without diabetes (aged 20-64 years); blood glucose and insulin levels were measured at 0, 30-, 60-, 90-, and 120-min. Fasting blood chemistry, hematology, and urine were analyzed. The participants were classified into four categories based on the following: (A) 30 min post-load plasma glucose levels < 157 mg/dL and/or (B) 120 min post-load plasma glucose levels < 126 mg/dL and Matsuda index > 4.97. Category 1 satisfied both conditions, category 2 satisfied condition A but not B, category 3 satisfied condition B but not A, and category 4 satisfied neither condition. RESULTS Overall, 46%, 21%, 13%, and 20% of the participants were classified into categories 1, 2, 3, and 4, respectively. Compared with category 1, the characteristics of the other categories were: 2, low insulin sensitivity and high blood glucose levels during the later period; 3, low insulin secretion and a rapid increase in blood glucose levels; and 4, combined characteristics of categories 2 and 3. Most blood test values besides glucose metabolism in category 4 were also worse than those in category 1. Categories 1 and 2 had a high proportion of females, whereas categories 3 and 4 had a low proportion. CONCLUSIONS Japanese adults without diabetes are classified into four categories with different insulin sensitivities and insulin secretion using OGTT results. Each category has different characteristics of age and sex distribution and clinical values besides glucose metabolism.
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Affiliation(s)
- T Uchida
- Suntory Global Innovation Center Limited, Research Institute, Kyoto, Japan.
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13
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Uchida T, Nakamura Y, Tanaka H, Nakamura S, Okamura T, Watanabe H, Murayama N. Validity of a selective recall method for assessing water intake and its relationship with hydration status. Eur Rev Med Pharmacol Sci 2021; 25:6623-6632. [PMID: 34787866 DOI: 10.26355/eurrev_202111_27106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE We previously established a descriptive dietary record method that accurately quantifies habitual water intake from food and beverages, to ascertain the relationship between water intake and health. Here, we verified the validity of a selective recall method, which is easy for users to answer and analyze. PATIENTS AND METHODS Japanese men and women aged 20-44 years (n = 16) and 45-64 years (n = 16) participated over three working days and one non-working day. The day following each of the surveyed days, participants collected their first morning urine for urinalysis and completed a selective recall and descriptive dietary record questionnaire. RESULTS The two methods of determining water intake were positively correlated (r = 0.94, p < 0.0001). Water intake volumes from non-alcoholic beverages (r = 0.94, p < 0.0001), alcoholic beverages (r = 1.00, p < 0.0001), and food (r = 0.72, p < 0.0001), calculated using the two methods, exhibited strong correlation. No correlation was observed between urinalysis parameters and total water intake. A significant, negative correlation was observed between urine osmolarity and total water intake in men (r = -0.55, p = 0.0011) and women (r = -0.51, p = 0.0032) aged 20-44 years. CONCLUSIONS Selective recall is a valid method for assessing water intake from food and beverages.
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Affiliation(s)
- T Uchida
- Suntory Global Innovation Center Limited, Research Institute, Seika-cho, Soraku-gun, Kyoto, Japan.
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14
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Yamamoto Y, Sato Y, Takahashi M, Yamamoto H, Echizen M, Uchida T. TEG6s Platelet Mapping assay for the estimation of plasma fibrinogen concentration during cardiovascular surgery: a single-center prospective observational study. J Anesth 2021; 36:79-88. [PMID: 34643817 PMCID: PMC8807459 DOI: 10.1007/s00540-021-03009-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 09/30/2021] [Indexed: 11/24/2022]
Abstract
PURPOSE The Activator F (ActF) test on the TEG6s Platelet Mapping assay system is a means of quantifying blood viscoelasticity caused by fibrin network formation, triggered by reptilase and factor XIII, while platelets are inhibited. This unique methodology enables the measurement of blood viscoelasticity, even in highly heparinized blood. Here, we investigated whether fibrinogen concentration could be estimated using the ActF test in blood samples obtained during cardiopulmonary bypass (CPB) and after CPB in patients undergoing cardiovascular surgery. METHODS We performed a single-center prospective observational study at a university hospital. Forty patients aged ≥ 18 years who underwent elective cardiovascular surgery with CPB were enrolled. Blood samples were drawn after the induction of anesthesia, after declamping of the aorta during CPB, and after the reversal of heparinization using protamine (after CPB). Coagulation profiles were evaluated using the Platelet Mapping assay and standard laboratory tests. RESULTS There were strong correlations between the maximal amplitude of clot strength (MA) in the ActF test and fibrinogen concentration in samples drawn during CPB (R = 0.84, 95% confidence interval [CI] 0.72-0.91; P < 0.001) and after CPB (R = 0.83, 95% CI 0.70-0.91; P < 0.001). The areas under the receiver-operating characteristic curve for the ActF MA for fibrinogen concentrations < 150 mg/dL were 0.86 (95% CI 0.73-1.0) during CPB and 0.98 (95% CI 0.94-1.0) after CPB. CONCLUSION TEG6s Platelet Mapping ActF MA values strongly correlated with plasma fibrinogen concentration in highly heparinized blood during CPB and yielded highly accurate measurements of low fibrinogen concentrations.
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Affiliation(s)
- Yudai Yamamoto
- Department of Anesthesiology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan.
| | - Yunosuke Sato
- Department of Anesthesiology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Miri Takahashi
- Department of Anesthesiology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Hiroto Yamamoto
- Department of Anesthesiology, Medical Hospital, Tokyo Medical and Dental University, Tokyo, Japan
| | - Mayumi Echizen
- Department of Anesthesiology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Tokujiro Uchida
- Department of Anesthesiology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
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Zinzani PL, Capra M, Özcan M, Lv F, Li W, Yañez E, Sapunarova K, Lin T, Jin J, Jurczak W, Hamed A, Wang M, Baker R, Bondarenko I, Zhang Q, Feng J, Geissler K, Lazaroiu M, Saydam G, Szomor Á, Bouabdallah K, Galiulin R, Uchida T, Mongay Soler L, Cao A, Hiemeyer F, Mehra A, Childs BH, Shi Y, Matasar MJ. CHRONOS‐3: RANDOMIZED PHASE III STUDY OF COPANLISIB PLUS RITUXIMAB
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RITUXIMAB/PLACEBO IN RELAPSED INDOLENT NON‐HODGKIN LYMPHOMA (INHL). Hematol Oncol 2021. [DOI: 10.1002/hon.24_2880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- P. L. Zinzani
- IRCCS Azienda Ospedaliero‐Universitaria di Bologna Istituto di Ematologia “Seràgnoli” Università di Bologna, Dipartimento di Medicina Specialistica Diagnostica e Sperimentale Bologna Italy
| | - M. Capra
- Hospital Mãe de Deus Centro de Hematologia e Oncologia Porto Alegre Brazil
| | - M. Özcan
- Ankara University School of Medicine Hematology Department Ankara Turkey
| | - F. Lv
- Fudan University Shanghai Cancer Center Department of Medical Oncology Shanghai China
| | - W. Li
- The First Hospital of Jilin University Department of Hematology Changchun China
| | - E. Yañez
- University of La Frontera, Department of Internal Medicine Oncology‐Hematology Unit Temuco Chile
| | - K. Sapunarova
- Medical University Department of Internal Medicine Hematology Division Plovdiv Bulgaria
| | - T. Lin
- Sun Yat‐sen University Cancer Center Department of Medical Oncology Guangzhou China
| | - J. Jin
- The First Affiliated Hospital of Zhejiang University College of Medicine Department of Hematology Hangzhou China
| | - W. Jurczak
- Maria Skłodowska‐Curie National Research Institute of Oncology Department of Clinical Oncology Krakow Poland
| | - A. Hamed
- Petz Aladár Megyei Oktató Kórház Hematológiai Osztály Gyor Hungary
| | - M.‐C. Wang
- Chang Gung Memorial Hospital Kaohsiung Department of Medicine Kaohsiung Taiwan
| | - R. Baker
- Perth Blood Institute, Murdoch University Western Australia Centre for Thrombosis and Haemostasis Perth Australia
| | - I. Bondarenko
- City Dnipropetrovsk Multi‐field Clinical Hospital 4 DSMA, Chemotherapy Department Dnipro Ukraine
| | - Q. Zhang
- Harbin Medical University Cancer Hospital Department of Medical Oncology Harbin China
| | - J. Feng
- Jiangsu Cancer Hospital Department of Medical Oncology Nanjing China
| | - K. Geissler
- Sigmund Freud University, 5th Medical Department with Hematology Oncology and Palliative Medicine Vienna Austria
| | - M. Lazaroiu
- S.C. Policlinica de Diagnostic Rapid S.A. Department of Hematology Brasov Romania
| | - G. Saydam
- Ege Üniversitesi Tıp Fakültesi Division of Hematology Izmir Turkey
| | - Á. Szomor
- Pécsi Tudományegyetem Klinikai Központ 1st Department of Internal Medicine Pécs Hungary
| | - K. Bouabdallah
- University Hospital of Bordeaux Hematology and Cellular Therapy Department Bordeaux France
| | - R. Galiulin
- Clinical Oncological Dispensary of Omsk Region Department of Chemotherapy for Children and Adults Omsk Russian Federation
| | - T. Uchida
- Japanese Red Cross Nagoya Daini Hospital Department of Hematology and Oncology Nagoya Japan
| | - L. Mongay Soler
- Bayer HealthCare Pharmaceuticals, Inc. Clinical Development Whippany USA
| | - A. Cao
- Bayer HealthCare Pharmaceuticals, Inc. Clinical Statistics Whippany USA
| | - F. Hiemeyer
- Pharmaceuticals Division, Bayer AG Clinical Statistics Berlin Germany
| | - A. Mehra
- Bayer HealthCare Pharmaceuticals, Inc. Clinical Development Whippany USA
| | - B. H. Childs
- Bayer HealthCare Pharmaceuticals, Inc. Clinical Development Whippany USA
| | - Y. Shi
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Chinese Academy of Medical Sciences & Peking Union Medical College Department of Medical Oncology Beijing China
| | - M. J. Matasar
- Memorial Sloan Kettering Cancer Center Department of Medicine New York USA
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Kim WS, Rai S, Ando K, Choi I, Izutsu K, Tsukamoto N, Yokoyama M, Tsukasaki K, Kuroda J, Ando J, Hidaka M, Koh Y, Shibayama H, Uchida T, Yang DH, Ishitsuka K, Ishizawa K, Kim JS, Lee HG, Minami H, Eom HS, Nagai H, Kurosawa M, Lee JH, Lee WS, Shindo T, Yoon DH, Yoshida S, Gillings M, Onogi H, Tobinai K. A PHASE 2B OPEN‐LABEL SINGLE ARM STUDY TO EVALUATE THE EFFICACY AND SAFETY OF HBI‐8000 (TUCIDINOSTAT) IN PATIENTS WITH RELAPSED OR REFRACTORY PERIPHERAL T‐CELL LYMPHOMA (PTCL). Hematol Oncol 2021. [DOI: 10.1002/hon.121_2880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- W. S. Kim
- Samsung Medical Center Division of Hematology‐Oncology Seoul Korea
| | - S. Rai
- Kindai University Hospital Department of Hematology and Rheumatology Faculty of Medicine Osakasayama Japan
| | - K. Ando
- Tokai University Hospital Department of Hematology and Oncology Isehara Japan
| | - I. Choi
- National Hospital Organization Kyushu Cancer Center Department of Hematology Fukuoka Japan
| | - K. Izutsu
- National Cancer Center Hospital Department of Hematology Tokyo Japan
| | - N. Tsukamoto
- Gunma University Hospital Oncology Center Maebashi Japan
| | - M. Yokoyama
- The Cancer Institute Hospital of Japanese Foundation for Cancer Research Department of Hematology and Oncology Tokyo Japan
| | - K. Tsukasaki
- International Medical Center Saitama Medical University Department of Hematology Saitama Japan
| | - J. Kuroda
- Kyoto Prefectural University of Medicine Division of Hematology and Oncology Kyoto Japan
| | - J. Ando
- Juntendo University Hospital Department of Hematology Tokyo Japan
| | - M. Hidaka
- National Hospital Organization Kumamoto Medical Center Department of Hematology Kumamoto Japan
| | - Y. Koh
- Seoul National University Hospital Department of Internal Medicine Seoul Korea
| | - H. Shibayama
- Osaka University Hospital Department of Hematology and Oncology Suita Japan
| | - T. Uchida
- Japanese Red Cross Nagoya Daini Hospital Department of Hematology and Oncology Nagoya Japan
| | - D. H. Yang
- Chonnam National University Hwasun Hospital Department of Hematology Hwasun Korea
| | - K. Ishitsuka
- Kagoshima University Hospital Department of Hematology and Rheumatology Kagoshima Japan
| | - K. Ishizawa
- Yamagata University Hospital Department of Third Internal Medicine Yamagata Japan
| | - J. S. Kim
- Yonsei University College of Medicine Severance Hospital Division of Hematology Department of Internal Medicine Seoul Korea
| | - H. G. Lee
- Konkuk University Medical Center Department of Hematology & Oncology Seoul Korea
| | - H. Minami
- Kobe University Graduate School of Medicine and Hospital Department of Medical Oncology/Hematology Kobe Japan
| | - H. S. Eom
- National Cancer Center Center for Hematologic Malignancy Goyang‐si Korea
| | - H. Nagai
- National Hospital Organization Nagoya Medical Center Clinical Research Center Nagoya Japan
| | - M. Kurosawa
- National Hospital Organization Hokkaido Cancer Center Department of Hematology Sapporo Japan
| | - J. H. Lee
- Gachon University Gil Medical Center Division of Hematology Incheon Korea
| | - W. S. Lee
- Inje University Busan Paik Hospital Department of Internal Medicine Busan Korea
| | - T. Shindo
- Kyoto University Hospital Department of Hematology and Oncology Kyoto Japan
| | - D. H. Yoon
- Asan Medical Center University of Ulsan College of Medicine Department of Oncology Seoul Korea
| | - S. Yoshida
- National Hospital Organization Nagasaki Medical Center Department of Hematology Omura Japan
| | - M. Gillings
- HUYA Bioscience International LLC, CEO & Executive Chair CA USA
| | - H. Onogi
- HUYA Bioscience International Executive Vice President, Head of Clinical Development‐Japan Tokyo Japan
| | - K. Tobinai
- National Cancer Center Hospital Department of Hematology Tokyo Japan
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Horikoshi Y, Yaguchi C, Matsumoto M, Isomura N, Uchida T, Itoh H. Clinicopathological characteristics of deciduitis in the placenta after miscarriage and preterm delivery. Placenta 2021. [DOI: 10.1016/j.placenta.2020.09.047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Asada M, Nagata M, Mizuno T, Uchida T, Takahashi H, Makita K, Arai H, Kijima S, Echizen H, Yasuhara M. Population pharmacokinetics of cefazolin before, during and after cardiopulmonary bypass in adult patients undergoing cardiac surgery. Eur J Clin Pharmacol 2020; 77:735-745. [PMID: 33211137 DOI: 10.1007/s00228-020-03045-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 11/13/2020] [Indexed: 11/29/2022]
Abstract
PURPOSE The aims of the present study were to establish a population pharmacokinetic (PPK) model of cefazolin for adult patients undergoing cardiac surgery with cardiopulmonary bypass (CPB) and to assess the probability of target attainment (PTA) for the prophylaxis of surgical site infection (SSI) using cefazolin. METHODS Adult patients who underwent cardiac surgery with CPB were enrolled in the prospective study. Blood samples for plasma cefazolin assay were collected, and total and unbound drug concentrations were measured and analysed using the nonlinear mixed-effects modelling (NONMEM) software considering saturable plasma protein binding. Using the PPK model, plasma unbound cefazolin concentration-time courses with current prophylaxis protocols were simulated, and the PTA for common SSI pathogens was estimated. RESULTS A total of 199 blood samples were obtained from 27 patients. A one-compartment model with first-order elimination plus an on/off CPB compartment best described the data. The population mean for systemic drug clearance (CL) was reduced and that for the volume of distribution (V) was increased during CPB compared with the pre-CPB values. CPB-induced hypoalbuminemia was associated with reduced maximum protein binding (Bmax). The simulation studies suggested that the current dosing protocols are insufficient for attaining PTA > 0.9 throughout surgery against pathogens with minimum inhibitory concentrations (MICs) >8 mg/L. A new dosing protocol that achieves a PTA > 0.9 for pathogens with a MIC of 16 mg/L was proposed. CONCLUSION PPK modelling with simulation may be valuable for devising a cefazolin prophylaxis protocol for patients undergoing cardiac surgery with CPB.
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Affiliation(s)
- Mizuho Asada
- Department of Pharmacy, Medical Hospital, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo-ku, Tokyo, Japan
| | - Masashi Nagata
- Department of Pharmacy, Medical Hospital, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo-ku, Tokyo, Japan. .,Department of Pharmacokinetics and Pharmacodynamics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan.
| | - Tomohiro Mizuno
- Department of Cardiovascular Surgery, Graduate School of Medical and Dental Science, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Tokujiro Uchida
- Department of Anesthesiology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Hiromitsu Takahashi
- Department of Pharmacy, Medical Hospital, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo-ku, Tokyo, Japan
| | - Koshi Makita
- Department of Anesthesiology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Hirokuni Arai
- Department of Cardiovascular Surgery, Graduate School of Medical and Dental Science, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Shinichi Kijima
- Office of Advanced Evaluation with Electronic Data, Pharmaceuticals and Medical Devices Agency (PMDA), Tokyo, Japan
| | | | - Masato Yasuhara
- Department of Pharmacokinetics and Pharmacodynamics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
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Yamamoto Y, Uchida T. Dielectric blood coagulometry as a means of evaluating the change in thrombin generation induced by direct oral anticoagulants. Thromb Res 2020; 197:141-143. [PMID: 33217621 DOI: 10.1016/j.thromres.2020.11.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 09/22/2020] [Accepted: 11/01/2020] [Indexed: 10/23/2022]
Affiliation(s)
- Yudai Yamamoto
- Department of Anesthesiology, Tokyo Medical and Dental University, Graduate School of Medical and Dental Sciences, Tokyo, Japan.
| | - Tokujiro Uchida
- Department of Anesthesiology, Tokyo Medical and Dental University, Graduate School of Medical and Dental Sciences, Tokyo, Japan
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20
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Takayama W, Endo A, Yoshii J, Arai H, Oi K, Nagaoka E, Toyama S, Yamamoto H, Uchida T, Otomo Y. Severe COVID-19 Pneumonia in a 30-Year-Old Woman in the 36th Week of Pregnancy Treated with Postpartum Extracorporeal Membrane Oxygenation. Am J Case Rep 2020; 21:e927521. [PMID: 33110055 PMCID: PMC7603798 DOI: 10.12659/ajcr.927521] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [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] [Indexed: 12/15/2022]
Abstract
Patient: Female, 30-year-old Final Diagnosis: Severe COVID-19 pneumonia Symptoms: Dyspena Medication: — Clinical Procedure: Extracorporeal membrane oxygenation Specialty: Critical Care Medicine • Infectious Diseases
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Affiliation(s)
- Watatu Takayama
- Trauma and Acute Critical Care Center, Tokyo Medical and Dental University Hospital of Medicine, Tokyo, Japan
| | - Akira Endo
- Trauma and Acute Critical Care Center, Tokyo Medical and Dental University Hospital of Medicine, Tokyo, Japan
| | - Junichiro Yoshii
- Trauma and Acute Critical Care Center, Tokyo Medical and Dental University Hospital of Medicine, Tokyo, Japan
| | - Hirokuni Arai
- Department of Cardiovascular Surgery, Tokyo Medical and Dental University Hospital of Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Keiji Oi
- Department of Cardiovascular Surgery, Tokyo Medical and Dental University Hospital of Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Eiki Nagaoka
- Department of Cardiovascular Surgery, Tokyo Medical and Dental University Hospital of Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Satoshi Toyama
- Department of Anesthesiology, Tokyo Medical and Dental University Hospital of Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hiroto Yamamoto
- Department of Anesthesiology, Tokyo Medical and Dental University Hospital of Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Tokujiro Uchida
- Department of Anesthesiology, Tokyo Medical and Dental University Hospital of Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yasuhiro Otomo
- Trauma and Acute Critical Care Center, Tokyo Medical and Dental University Hospital of Medicine, Tokyo, Japan
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Yatomi T, Uchida T, Takeuchi H, Kuramochi S, Yoshimura K, Mimura M, Uchida H. Prescription patterns of psychotropics in patients receiving synthetic glucocorticoids. Acta Psychiatr Scand 2020; 142:242-248. [PMID: 32677065 DOI: 10.1111/acps.13217] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/10/2020] [Indexed: 12/01/2022]
Abstract
OBJECTIVE Synthetic glucocorticoids cause various psychiatric symptoms. Prescription of psychotropic drugs could be considered to be a proxy for manifestation of psychiatric symptoms. The aim of this study was to investigate the prescriptions of psychotropics in outpatients receiving synthetic glucocorticoids. METHODS We used the claims sampling data during January 2015 from the National Database of Health Insurance Claims and Specific Health Checkups of Japan made by the Ministry of Health, Labor, and Welfare in Japan. We compared the prescription rates of psychotropics between outpatients receiving oral synthetic glucocorticoids and age- and sex-matched controls and the prescription rates of psychotropics among the eight dosage groups of synthetic glucocorticoids by chi-squared test, and chlorpromazine/imipramine/diazepam equivalent doses (or daily defined doses) of respective psychotropics among these groups using Welch's t-test. RESULTS Synthetic glucocorticoids were prescribed to 3.1% (n = 18 122) of 581 990 patients. The prescription rates of psychotropics were significantly higher among the synthetic glucocorticoid recipients than among the non-recipients: antipsychotics, 1.8% (n = 321) vs. 1.1% (n = 201) (P = 1.4 × 10-7 ); antidepressants, 4.0% (n = 724) vs. 2.0% (n = 359) (P = 8.7 × 10-30 ); anxiolytics/hypnotics, 16.7% (n = 3029) vs. 10.2% (n = 1841) (P = 2.7 × 10-75 ); and mood stabilizers, 1.3% (n = 238) vs. 0.7% (n = 120) (P = 3.6 × 10-10 ) respectively. There was no significant difference in the prescription rates of any psychotropic drugs, other than anxiolytics/hypnotics, among the eight synthetic glucocorticoid dosage groups. CONCLUSION Prescriptions of oral synthetic glucocorticoids were found to be associated with the use of any of the types of psychotropic drugs, other than anxiolytics/hypnotics, although a causal relationship could not be confirmed due to the retrospective and cross-sectional nature of this study.
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Affiliation(s)
- T Yatomi
- Department of Neuropsychiatry, Kawasaki Municipal Hospital, Kanagawa, Japan.,Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - T Uchida
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - H Takeuchi
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - S Kuramochi
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan.,Department of Neuropsychiatry, Yamanashi Prefectural Kita Hospital, Yamanashi, Japan
| | - K Yoshimura
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan.,Department of Health Policy and Management, Keio University School of Medicine, Tokyo, Japan
| | - M Mimura
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - H Uchida
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
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Uzawa A, Mori M, Masuda H, Ohtani R, Uchida T, Aoki R, Kuwabara S. Peroxiredoxins are involved in the pathogenesis of multiple sclerosis and neuromyelitis optica spectrum disorder. Clin Exp Immunol 2020; 202:239-248. [PMID: 32643149 DOI: 10.1111/cei.13487] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Revised: 06/30/2020] [Accepted: 07/02/2020] [Indexed: 01/15/2023] Open
Abstract
Peroxiredoxins (PRXs) are intracellular anti-oxidative enzymes but work as inflammatory amplifiers under the extracellular condition. To date, the function of PRXs in the pathogenesis of multiple sclerosis (MS) and neuromyelitis optica spectrum disorder (NMOSD) is not fully understood. The aim of this study was to investigate whether PRXs play a role in the pathogenesis of MS and NMOSD. We analyzed levels of PRXs (PRX1, PRX5 and PRX6) in the cerebrospinal fluid (CSF) and serum of 16 patients with MS, 16 patients with NMOSD and 15 patients with other neurological disorders (ONDs). We identified potential correlations between significantly elevated PRXs levels and the clinical variables in patients with MS and NMOSD. Additionally, pathological analyses of PRXs (PRX1-6) in the central nervous system (CNS) were performed using the experimental autoimmune encephalomyelitis (EAE), animal model of MS. We found that serum levels of PRX5 and PRX6 in patients with MS and NMOSD were higher compared with those in patients with ONDs (P < 0·05). Furthermore, high levels of PRX5 and PRX6 were partly associated with blood-brain barrier dysfunction and disease duration in NMOSD patients. No significant elevation was found in CSF PRXs levels of MS and NMOSD. Spinal cords from EAE mice showed remarkable PRX5 staining, especially in CD45+ infiltrating cells. In conclusion, PRX5 and PRX6 may play a role in the pathogeneses of MS and NMOSD.
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Affiliation(s)
- A Uzawa
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - M Mori
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - H Masuda
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - R Ohtani
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - T Uchida
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - R Aoki
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - S Kuwabara
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan
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Masuda H, Mori M, Hirano S, Uzawa A, Uchida T, Ohtani R, Aoki R, Kuwabara S. Comparison of brain atrophy in patients with multiple sclerosis treated with first‐ versus second‐generation disease modifying therapy without clinical relapse. Eur J Neurol 2020; 27:2056-2061. [DOI: 10.1111/ene.14335] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 05/13/2020] [Indexed: 11/30/2022]
Affiliation(s)
- H. Masuda
- Department of Neurology Graduate School of Medicine Chiba University Chiba Japan
| | - M. Mori
- Department of Neurology Graduate School of Medicine Chiba University Chiba Japan
| | - S. Hirano
- Department of Neurology Graduate School of Medicine Chiba University Chiba Japan
| | - A. Uzawa
- Department of Neurology Graduate School of Medicine Chiba University Chiba Japan
| | - T. Uchida
- Department of Neurology Graduate School of Medicine Chiba University Chiba Japan
| | - R. Ohtani
- Department of Neurology Graduate School of Medicine Chiba University Chiba Japan
| | - R. Aoki
- Department of Neurology Graduate School of Medicine Chiba University Chiba Japan
| | - S. Kuwabara
- Department of Neurology Graduate School of Medicine Chiba University Chiba Japan
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24
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Asada M, Nagata M, Mizuno T, Uchida T, Kurashima N, Takahashi H, Makita K, Arai H, Echizen H, Yasuhara M. Effects of cardiopulmonary bypass on the disposition of cefazolin in patients undergoing cardiothoracic surgery. Pharmacol Res Perspect 2018; 6:e00440. [PMID: 30410768 PMCID: PMC6218359 DOI: 10.1002/prp2.440] [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] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 09/27/2018] [Accepted: 10/02/2018] [Indexed: 11/21/2022] Open
Abstract
The aim of the study was to evaluate the disposition of plasma unbound cefazolin in patients undergoing cardiothoracic surgery with cardiopulmonary bypass (CPB). Adult patients undergoing cardiothoracic surgery with CPB were enrolled in the study. Cefazolin sodium was given intravenously before skin incision (1 g) and at the beginning of CPB (2 g). Thereafter, an additional dose (1 g) was given every 4 hours. Seven to ten blood samples were collected before and during surgery. Plasma total and unbound (ultrafiltrated) cefazolin concentrations were analyzed using an HPLC-UV method. Plasma protein binding was analyzed with the Langmuir model. Twenty-seven patients (aged 70 ± 12 years, body weight 62 ± 12 kg, mean ± SD) with GFR >30 mL min-1 completed the study. There was a significant (P < 0.001) increase in median plasma unbound fraction of cefazolin from 21% before skin incision to 45% during CPB (P < 0.001), which was accompanied by a significant (P < 0.001) reduction in median plasma albumin concentration from 36 to 27 g L-1. Plasma concentrations of unbound cefazolin exceeded the assumed target thresholds of 2 μg mL-1 in all samples and of 8 μg mL-1 in all but one of 199 samples. The increased plasma unbound fraction of cefazolin would be attributable to dilutional reduction of serum albumin at the beginning of CPB and to saturable plasma protein binding of cefazolin. These data reveal CPB may alter the plasma protein binding and possibly distribution of cefazolin. Further studies are warranted to reappraise the protocol of antimicrobial prophylaxis with cefazolin in patients undergoing surgery with CPB.
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Affiliation(s)
- Mizuho Asada
- Department of PharmacyMedical HospitalTokyo Medical and Dental University (TMDU)TokyoJapan
| | - Masashi Nagata
- Department of PharmacyMedical HospitalTokyo Medical and Dental University (TMDU)TokyoJapan
- Department of Pharmacokinetics and PharmacodynamicsGraduate School of Medical and Dental SciencesTokyo Medical and Dental University (TMDU)TokyoJapan
| | - Tomohiro Mizuno
- Department of Cardiovascular SurgeryGraduate School of Medical and Dental ScienceTokyo Medical and Dental University (TMDU)TokyoJapan
| | - Tokujiro Uchida
- Department of AnesthesiologyGraduate School of Medical and Dental SciencesTokyo Medical and Dental University (TMDU)TokyoJapan
| | - Naoki Kurashima
- Medical Engineering CenterMedical Hospital of Tokyo Medical and Dental University (TMDU)TokyoJapan
| | - Hiromitsu Takahashi
- Department of PharmacyMedical HospitalTokyo Medical and Dental University (TMDU)TokyoJapan
| | - Koshi Makita
- Department of AnesthesiologyGraduate School of Medical and Dental SciencesTokyo Medical and Dental University (TMDU)TokyoJapan
| | - Hirokuni Arai
- Department of Cardiovascular SurgeryGraduate School of Medical and Dental ScienceTokyo Medical and Dental University (TMDU)TokyoJapan
| | - Hirotoshi Echizen
- Department of PharmacotherapyMeiji Pharmaceutical UniversityTokyoJapan
| | - Masato Yasuhara
- Department of Pharmacokinetics and PharmacodynamicsGraduate School of Medical and Dental SciencesTokyo Medical and Dental University (TMDU)TokyoJapan
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25
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Araki S, Kijima T, Waseda Y, Komai Y, Nakanishi Y, Uehara S, Yasuda Y, Yoshida S, Yokoyama M, Ishioka J, Matsuoka Y, Saito K, Kihara K, Nakano Y, Yoshimoto T, Uchida T, Fujii Y. Incidence and predictive factors of hypoglycemia after pheochromocytoma resection. Int J Urol 2018; 26:273-277. [DOI: 10.1111/iju.13864] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 10/23/2018] [Indexed: 11/27/2022]
Affiliation(s)
- Saori Araki
- Department of Urology Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Toshiki Kijima
- Department of Urology Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Yuma Waseda
- Department of Urology Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Yoshinobu Komai
- Department of Urology Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Yasukazu Nakanishi
- Department of Urology Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Sho Uehara
- Department of Urology Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Yosuke Yasuda
- Department of Urology Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Soichiro Yoshida
- Department of Urology Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Minato Yokoyama
- Department of Urology Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Junichiro Ishioka
- Department of Urology Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Yoh Matsuoka
- Department of Urology Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Kazutaka Saito
- Department of Urology Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Kazunori Kihara
- Department of Urology Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Yujiro Nakano
- Department of Molecular Endocrinology and Metabolism Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Takanobu Yoshimoto
- Department of Molecular Endocrinology and Metabolism Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Tokujiro Uchida
- Department of Anesthesiology Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Yasuhisa Fujii
- Department of Urology Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
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26
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Okamura K, Uchida T, Hayashi M, Yaguchi Y, Hemmi A, Murata I, Ichikawa K, Koyama S, Onoda T, Sasahara Y, Suzuki T. Neutrophilic dermatosis associated with an NFKB2 mutation. Clin Exp Dermatol 2018; 44:350-352. [PMID: 30267444 DOI: 10.1111/ced.13784] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/07/2018] [Indexed: 11/28/2022]
Affiliation(s)
- K Okamura
- Department of Dermatology, Yamagata University, Faculty of Medicine, Yamagata, Japan
| | - T Uchida
- Department of Pediatrics, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - M Hayashi
- Department of Dermatology, Yamagata University, Faculty of Medicine, Yamagata, Japan
| | - Y Yaguchi
- Department of Dermatology, Yamagata University, Faculty of Medicine, Yamagata, Japan
| | - A Hemmi
- Department of Dermatology, Yamagata University, Faculty of Medicine, Yamagata, Japan
| | - I Murata
- Department of Dermatology, Yamagata University, Faculty of Medicine, Yamagata, Japan
| | - K Ichikawa
- Department of Cardiology, Pulmonology, and Nephrology, Yamagata University, Faculty of Medicine, Yamagata, Japan
| | - S Koyama
- Division of Neurology and Clinical Neuroscience, Department of Internal Medicine III, Yamagata University, Faculty of Medicine, Yamagata, Japan
| | - T Onoda
- Department of Pediatrics, Yamagata University, Faculty of Medicine, Yamagata, Japan
| | - Y Sasahara
- Department of Pediatrics, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - T Suzuki
- Department of Dermatology, Yamagata University, Faculty of Medicine, Yamagata, Japan
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27
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Uchida T, Yui T, Umezu H, Kariyone S. Prolongation of Platelet Survival in Idiopathic Thrombocytopenic Purpura by High-Dose Intravenous Gamma Globulin. Thromb Haemost 2018. [DOI: 10.1055/s-0038-1661021] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
SummaryThe mechanism of the increase of platelet counts after the intravenous injection of high dose gammaglobulin was evaluated by measuring platelet survival before and after the injection. The platelet survival after treatment prolonged more significantly than that before treatment. There was no evidence of platelet release from bone marrow to peripheral blood. These findings might suggest the inhibition of platelet destruction by transient blockade of reticuloendothelial system.
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Affiliation(s)
- T Uchida
- The First Department of Internal Medicine, Fukushima Medical College, Fukushima, Japan
| | - T Yui
- The First Department of Internal Medicine, Fukushima Medical College, Fukushima, Japan
| | - H Umezu
- The First Department of Internal Medicine, Fukushima Medical College, Fukushima, Japan
| | - S Kariyone
- The First Department of Internal Medicine, Fukushima Medical College, Fukushima, Japan
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28
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Uzawa A, Mori M, Masuda H, Ohtani R, Uchida T, Kuwabara S. Recombinant thrombomodulin ameliorates experimental autoimmune encephalomyelitis by suppressing high mobility group box 1 and inflammatory cytokines. Clin Exp Immunol 2018; 193:47-54. [PMID: 29509323 DOI: 10.1111/cei.13123] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/01/2018] [Indexed: 01/04/2023] Open
Abstract
Recombinant thrombomodulin (rTM) has pleiotrophic properties, including anti-coagulation and anti-inflammation; however, its effectiveness as a treatment for multiple sclerosis (MS) has not been evaluated fully. High mobility group box 1 (HMGB1) and proinflammatory cytokines, working as inflammatory mediators, are reportedly involved in the inflammatory pathogenesis of MS. The aim of this study was to determine whether rTM can be a potential therapeutic agent for experimental autoimmune encephalomyelitis (EAE). EAE mice received rTM treatment (1 mg or 0·1 mg/kg/day) from days 11 to 15 after immunization. The clinical variables, plasma levels of inflammatory cytokines and HMGB1 and pathological findings in EAE were evaluated. rTM administration ameliorated the clinical and pathological severity of EAE. An immunohistochemical study of the spinal cord showed weaker cytoplasmic HMGB1 staining in the rTM-treated EAE mice than in the untreated EAE mice. Plasma levels of inflammatory cytokines and HMGB1 were suppressed by rTM treatment. In conclusion, rTM down-regulated inflammatory mediators in the peripheral circulation and prevented HMGB1 release from nuclei in the central nervous system, suppressing EAE-related inflammation. rTM could have a novel therapeutic potential for patients with MS.
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Affiliation(s)
- A Uzawa
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - M Mori
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - H Masuda
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - R Ohtani
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - T Uchida
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - S Kuwabara
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan
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Choi J, Génova-Santos R, Hattori M, Hazumi M, Ishitsuka H, Kanno F, Karatsu K, Kiuchi K, Koyano R, Kutsuma H, Lee K, Mima S, Minowa M, Nagai M, Nagasaki T, Naruse M, Oguri S, Okada T, Otani C, Rebolo R, Rubiño-Martín J, Sekimoto Y, Suzuki J, Taino T, Tajima O, Tomita N, Uchida T, Won E, Yoshida M. Status of the GroundBIRD Telescope. EPJ Web Conf 2018. [DOI: 10.1051/epjconf/201816801014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Our understanding of physics at very early Universe, as early as 10−35 s after the Big Bang, relies on the scenario known as the inflationary cosmology. Inflation predicts a particular polarization pattern in the cosmic microwave background, known as the B-mode yet the strength of such polarization pattern is extremely weak. To search for the B-mode of the polarization in the cosmic microwave background, we are constructing an off-axis rotating telescope to mitigate systematic effects as well as to maximize the sky coverage of the observation. We will discuss the present status of the GroundBIRD telescope.
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Liu J, Muto M, Mori M, Uzawa A, Uchida T, Masuda H, Ohtani R, Sugimoto K, Kuwabara S. Soluble Talin-1 and Anti-talin-1 antibody are associated with pathogenesis of multiple sclerosis and may be as biomarker for the disease. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.3461] [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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31
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Murakami T, Ishigai K, Ishiguro K, Sato T, Shichiji M, Ikeda M, Nagata S, Uchida T, Kuru S, Nakayama T. Evaluation of skeletal muscle in patients with Fukuyama congenital muscular dystrophy (FCMD) using bioelectrical impedance analysis. Neuromuscul Disord 2017. [DOI: 10.1016/j.nmd.2017.06.473] [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: 11/17/2022]
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32
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Uzawa A, Mori M, Masuda H, Ohtani R, Uchida T, Sawai S, Kuwabara S. CSF IL-6 study in neurological disorders with a special focus on Neuromyelitis optica. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2558] [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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33
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Aoyama S, Mori M, Uchida T, Masuda H, Ohtani R, Sugimoto K, Liu J, Kuwabara S. Analysis of Anti-JCV antibody in Japanese patients with multiple sclerosis. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.682] [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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34
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Noda K, Sagara J, Tanemura R, Nagao T, Hoshii J, Uchida T, Nakata O, Sunagawa K. NEW CONCEPT FOR SUPPORTING THE ELDERS HAVING GARBAGE TROUBLES. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- K. Noda
- Kobe University, Kobe, Hyogo, Japan,
| | - J. Sagara
- Kobe Design University, Kobe, Hyogo, Japan
| | | | - T. Nagao
- Kobe University, Kobe, Hyogo, Japan,
| | - J. Hoshii
- Kobe University, Kobe, Hyogo, Japan,
| | - T. Uchida
- Kobe University, Kobe, Hyogo, Japan,
| | - O. Nakata
- Kobe University, Kobe, Hyogo, Japan,
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35
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Chuenpee T, Nishikawa O, Kon Y, Ninagawa K, Toyoda S, Ogata T, Uchida T, Takashima I. Gamma radiation-induced thermoluminescence, trace element and paramagnetic defect of quartz from the Sambagawa metamorphic belt, Central Shikoku, Japan. Appl Radiat Isot 2017; 120:30-39. [PMID: 27898372 DOI: 10.1016/j.apradiso.2016.11.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Revised: 11/06/2016] [Accepted: 11/11/2016] [Indexed: 11/19/2022]
Abstract
This study analyzes the Thermoluminescence (TL) emissions for five emission bands, trace element concentrations and defects in quartz grains extracted from metamorphic rocks and quartz veins in the Sambagawa metamorphic belt, central Shikoku. An emission of 500nm with 195, 245, and 320-325°C glow peaks are observed through the lowest to highest grade samples. A 450nm emission band with intense 195 and 245°C glow peaks and a 320-325°C shoulder peak is found in the higher grade samples. A 570nm emission band with a 170°C glow peak is observed in the samples derived from the lower grade zones. These characteristics of TL emissions of quartz suggest that they can be an indicator for the identification of rock derived from different metamorphic grades. The higher metamorphic grade samples with 450nm emission bands in particular show higher intensities of the E1' center. This relation indicates that the activation of the E1' center in higher metamorphic conditions possibly contributed to the 450nm emission band. Also, the 500nm emission band is generally observed in the samples with the signal intensities of the Aluminum hole center, suggesting that the center is the source of this emission band. We also observed that the lower metamorphic grade samples contain lower signal intensities of the Aluminum hole center, despite higher aluminum concentrations. This inconsistency indicates that the formation of interstitial aluminum ions cause local lattice distortion regions, where self-trapped excitons can be formed and presumably provide the 570nm emissions.
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Affiliation(s)
- T Chuenpee
- Graduate School of Engineering and Resource Science, Akita University, Japan.
| | - O Nishikawa
- Faculty of International Resource Sciences, Akita University, Japan
| | - Y Kon
- National Institute of Advanced Industrial Science and Technology, Japan
| | - K Ninagawa
- Department of Applied Physics, Okayama University of Science, Japan
| | - S Toyoda
- Department of Applied Physics, Okayama University of Science, Japan
| | - T Ogata
- Faculty of International Resource Sciences, Akita University, Japan
| | - T Uchida
- Faculty of International Resource Sciences, Akita University, Japan
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36
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Kawano S, Saito M, Handa K, Morotomi T, Toyono T, Seta Y, Nakamura N, Uchida T, Toyoshima K, Ohishi M, Harada H. Characterization of Dental Epithelial Progenitor Cells Derived from Cervical-loop Epithelium in a Rat Lower Incisor. J Dent Res 2016; 83:129-33. [PMID: 14742650 DOI: 10.1177/154405910408300209] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [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: 11/17/2022] Open
Abstract
Dental epithelial progenitor cells differentiate into various cell types during development of tooth germs. To study this mechanism, we produced immortalized dental epithelial progenitor cells derived from the cervical-loop epithelium of a rat lower incisor. The expression patterns of cytokeratin 14, nerve growth factor receptor p75, amelogenin, Notch2, and alkaline phosphatase were examined by immnohistochemistry in both lower and higher cell densities. The patterns of each were compared in the dental epithelium of rat lower incisors. The results demonstrated that these cells could produce ameloblast lineage cells, stratum intermedium cells, stellate reticulum, and outer enamel epithelium. Furthermore, fibroblast growth factor 10 stimulated proliferation of dental progenitor cells and subsequently increased the number of cells expressing alkaline phosphatase. These results suggest that fibroblast growth factor 10 plays a role in coupling mitogenesis of the cervical-loop cells and the production of stratum intermedium cells in rat incisors.
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Affiliation(s)
- S Kawano
- Department of Oral Anatomy and Cell Biology, Kyushu Dental College, 2-6-1 Manazuru, Kokurakita-ku, Kitakyushu 803-8580, Japan
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Tojino AL, Laymouna R, Monteiro A, Velcea A, Almeida Morais L, Enzan N, Wang TL, Kemaloglu Oz TUĞBA, Mursa A, Pfeiffer B, Tomaszewski M, Cuddy S, Giubertoni A, Rojo Prieto N, Ruivo C, Saito M, Dorobantu DM, Kemal HS, Sta Maria HF, Tiongco RP, Elsharkawy E, Morsy Y, Elshafei M, Elgowelly M, Almaghraby A, Branco L, Agapito A, Sousa L, Galrinho A, Pinto F, Rio P, Rosa S, Portugal G, Ferreira R, Mihaila S, Patrascu N, Adronic A, Cinteza M, Vinereanu D, Fiarresga A, Cacela D, Sousa L, Galrinho A, Branco L, Rodrigues R, Banazol N, Ferreira L, Ferreira R, Tsutsumi T, Matsumoto T, Uchida T, Yamada A, Hsiung MC, Eren MEHMET, Zarma L, Popescu BA, Ginghina C, Jurcut R, Neugebauer A, Rigopoulos A, Seggewiss H, Czekajska-Chehab E, Pietura R, Tomaszewski A, Sullivan V, Cosgrave J, Daly C, Murphy R, Zanaboni J, Gravellone M, Piccinino C, Marino PN, Lezcano Pertejo C, Hernandez Diez C, Alvarez Roy L, Martinez Paz E, Ascencio Lemus MG, Lopez Benito M, Fernandez-Vazquez F, Martin Gutierrez E, Castano Ruiz M, Guardado J, Santos L, Montenegro Sa F, Saraiva F, Correia J, Morais J, Mahara K, Ueda T, Ishii T, Hamamichi Y, Katsuragi S, Enache R, Platon P, Vladaia A, Popescu BA, Ginghina CD, Gunsel A, Cerit L, Duygu HS. Clinical Case Poster session 2P608Infective endocarditis in an adult female with bicuspid aortic valve, hypertrophic cardiomyopathy and amyopathic dermatomyositisP609Left ventricular massP610A rare case of mitral stenosis - Shones syndromeP611The added value of three-dimensional echocardiography in the late diagnosis of a pacemaker complication in a patient with severe congestive heart failureP612Percutaneous paravalvular leak closure - procedure pitfallsP613A case of late left ventricular pseudoaneurysm after aortic valve replacement for infective endocarditis.P614Pseudoaneurysm of right ventricle and acute heart failure caused by prosthetic aortic valve endocarditisP615A misclassification of pulmonary stenosis severity during pregnancyP616A problematic case of left ventricular hypertrophyP617High variability of dynamic obstruction in a patient with hypertrophic obstructive cardiomyopathy and tako-tsubo-cardiomyopathyP618Arterio-venous pulmonary fistula in patient after cerebral strokeP619Rapid myocardial calcification in acute sepsisP620Acute right heart failure after delivery in patient with new-diagnosed pulmonary arterial hypertensionP621When the right ventricle plays hide-and-seekP622Adult congenital heart disease: when what grows wrong goes wrongP623Prenatal diagnosis of mixed type total anomalous pulmonary venous connection in aspleniaP624Uncorrected single ventricle in an adult patient: do coexisting valvular abnormalities matter?P625Ventricular septal aneurysm associated with bicuspid aorta: a case report. Eur Heart J Cardiovasc Imaging 2016. [DOI: 10.1093/ehjci/jew249] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Oda T, Itoh H, Kawai K, Oda-Kishimoto A, Kobayashi T, Doi T, Uchida T, Kanayama N. Three successful deliveries involving a woman with congenital afibrinogenaemia - conventional fibrinogen concentrate infusion vs. ‘as required’ fibrinogen concentrate infusion based on changes in fibrinogen clearance -. Haemophilia 2016; 22:e478-81. [DOI: 10.1111/hae.13054] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/27/2016] [Indexed: 11/30/2022]
Affiliation(s)
- T. Oda
- Department of Obstetrics and Gynecology; Hamamatsu University School of Medicine; Hamamatsu Japan
- Department of Obstetrics and Gynecology; Fujinomiya City General Hospital; Fujinomiya Japan
| | - H. Itoh
- Department of Obstetrics and Gynecology; Hamamatsu University School of Medicine; Hamamatsu Japan
| | - K. Kawai
- Department of Obstetrics and Gynecology; Hamamatsu University School of Medicine; Hamamatsu Japan
| | - A. Oda-Kishimoto
- Department of Obstetrics and Gynecology; Hamamatsu University School of Medicine; Hamamatsu Japan
| | - T. Kobayashi
- Department of Obstetrics and Gynecology; Hamamatsu Medical Center; Hamamatsu Japan
| | - T. Doi
- Department of Obstetrics and Gynecology; Fujinomiya City General Hospital; Fujinomiya Japan
| | - T. Uchida
- Department of Obstetrics and Gynecology; Hamamatsu University School of Medicine; Hamamatsu Japan
| | - N. Kanayama
- Department of Obstetrics and Gynecology; Hamamatsu University School of Medicine; Hamamatsu Japan
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Saitoh M, Kobayashi K, Ohmori I, Tanaka Y, Tanaka K, Inoue T, Horino A, Ohmura K, Kumakura A, Takei Y, Hirabayashi S, Kajimoto M, Uchida T, Yamazaki S, Shiihara T, Kumagai T, Kasai M, Terashima H, Kubota M, Mizuguchi M. Cytokine-related and sodium channel polymorphism as candidate predisposing factors for childhood encephalopathy FIRES/AERRPS. J Neurol Sci 2016; 368:272-6. [PMID: 27538648 DOI: 10.1016/j.jns.2016.07.040] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [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: 05/16/2016] [Revised: 07/13/2016] [Accepted: 07/14/2016] [Indexed: 11/15/2022]
Abstract
Febrile infection-related epilepsy syndrome (FIRES), or acute encephalitis with refractory, repetitive partial seizures (AERRPS), is an epileptic encephalopathy beginning with fever-mediated seizures. The etiology remains unclear. To elucidate the genetic background of FIRES/AERRPS (hereafter FIRES), we recruited 19 Japanese patients, genotyped polymorphisms of the IL1B, IL6, IL10, TNFA, IL1RN, SCN1A and SCN2A genes, and compared their frequency between the patients and controls. For IL1RN, the frequency of a variable number of tandem repeat (VNTR) allele, RN2, was significantly higher in the patients than in controls (p=0.0067), and A allele at rs4251981 in 5' upstream of IL1RN with borderline significance (p=0.015). Haplotype containing RN2 was associated with an increased risk of FIRES (OR 3.88, 95%CI 1.40-10.8, p=0.0057). For SCN1A, no polymorphisms showed a significant association, whereas a missense mutation, R1575C, was found in two patients. For SCN2A, the minor allele frequency of G allele at rs1864885 was higher in patients with borderline significance (p=0.011). We demonstrated the association of IL1RN haplotype containing RN2 with FIRES, and showed a possible association of IL1RN rs4251981 G>A and SCN2A rs1864885 A>G, in Japanese patients. These preliminary findings suggest the involvement of multiple genetic factors in FIRES, which needs to be confirmed by future studies in a larger number of FIRES cases.
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Affiliation(s)
- M Saitoh
- Department of Developmental Medical Sciences, Graduate School of Medicine, The University of Tokyo, Japan.
| | - K Kobayashi
- Department of Child Neurology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Japan
| | - I Ohmori
- Department of Special Needs Education, Graduate School of Education, Okayama University, Japan
| | - Y Tanaka
- Department of Pediatrics, Ohta Nishinouchi General Hospital, Japan
| | - K Tanaka
- Department of Pediatrics, Ohta Nishinouchi General Hospital, Japan
| | - T Inoue
- Department of Pediatrics, Child Medical Center, Osaka City General Hospital, Japan
| | - A Horino
- Department of Pediatrics, Child Medical Center, Osaka City General Hospital, Japan
| | - K Ohmura
- Department of Pediatrics, Kishiwada City Hospital, Japan
| | - A Kumakura
- Department of Pediatrics, Kitano Hospital, Japan
| | - Y Takei
- Division of Neurology, Nagano Childrens' Hospital, Japan
| | - S Hirabayashi
- Division of Neurology, Nagano Childrens' Hospital, Japan
| | - M Kajimoto
- Department of Pediatrics, Yamaguchi University, Japan
| | - T Uchida
- Department of Pediatrics, Sendai City, Hospital, Japan
| | - S Yamazaki
- Department of Pediatrics, Niigata City Hospital, Japan
| | - T Shiihara
- Department of Neurology, Gunma Children's Medical Center, Japan
| | - T Kumagai
- Division of Neurology, National Center for Child Health and Development, Japan
| | - M Kasai
- Division of Neurology, National Center for Child Health and Development, Japan
| | - H Terashima
- Division of Neurology, National Center for Child Health and Development, Japan
| | - M Kubota
- Division of Neurology, National Center for Child Health and Development, Japan
| | - M Mizuguchi
- Department of Developmental Medical Sciences, Graduate School of Medicine, The University of Tokyo, Japan
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Uchida T, Kadoya N, Ichiji K, Nakajima Y, Jingu K, Osanai M, Takeda K, Takai Y, Homma N. SU-G-BRA-15: Dosimetric Evaluation of Dynamic Tumor Tracking Radiation Therapy Using Digital Phantom: A Study On Margin and Desired Accuracy of Tracking. Med Phys 2016. [DOI: 10.1118/1.4956939] [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: 11/07/2022] Open
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41
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Onose H, Uchida T, Sato J, Ishii S, Yamada E, Yamada T, Watada H. Monocyte and Basophil Counts as Predictors of Neutrophil Count Recovery in Patients with Thiamazole-Induced Agranulocytosis. Exp Clin Endocrinol Diabetes 2016; 125:49-52. [PMID: 27219883 DOI: 10.1055/s-0042-105281] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Purpose: Thiamazole (MMI) is frequently used for the treatment of Graves' disease, but it occasionally induces agranulocytosis at the beginning of the treatment. To date, the predictive factors of recovery from MMI-induced agranulocytosis remain unclear. The primary aim of this study was to evaluate the predictive factor of the recovery time from MMI-induced agranulocytosis. Method: This was a retrospective cohort study performed in a university hospital and a thyroid hospital. We included 27 Japanese patients with Graves' disease with MMI-induced agranulocytosis diagnosed during follow-up. All patients were administrated recombinant human granulocyte colony-stimulating factor daily until they had a neutrophil count>1 000/μL, which was defined as recovery. The predictive factors associated with recovery time were estimated using multivariable regression analysis. Results: At the onset of agranulocytosis, the median administration period of MMI was 33 days, the average white blood cell count was 1 896/μL, and the median neutrophil count was 22/μL. The median recovery time was 4 days. Stepwise multivariate regression analysis identified the monocyte and basophil counts to be significant predictors of MMI-induced agranulocytosis. Conclusion: Patients with agranulocytosis and decreased monocyte and basophil counts at onset may recover late and require careful treatment.
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Affiliation(s)
- H Onose
- Kanaji Thyroid Hospital, Kita-ku, Tokyo, Japan
| | - T Uchida
- Departments of Metabolism & Endocrinology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - J Sato
- Departments of Metabolism & Endocrinology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - S Ishii
- Kanaji Thyroid Hospital, Kita-ku, Tokyo, Japan
| | - E Yamada
- Kanaji Thyroid Hospital, Kita-ku, Tokyo, Japan
| | - T Yamada
- Kanaji Thyroid Hospital, Kita-ku, Tokyo, Japan
| | - H Watada
- Departments of Metabolism & Endocrinology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
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Asaji T, Nakamura T, Furuse M, Hitobo T, Uchida T, Muramatsu M, Kato Y. First results of the 2.45 GHz Oshima electron cyclotron resonance ion source. Rev Sci Instrum 2016; 87:02A730. [PMID: 26931948 DOI: 10.1063/1.4935632] [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] [Indexed: 06/05/2023]
Abstract
A new electron cyclotron resonance ion source has been constructed at Oshima College with a 2.45 GHz magnetron microwave source and permanent magnets employed as the main components. In addition, a solid-state power amplifier with a frequency range of 2.5-6.0 GHz was installed to study two-frequency plasma heating. Three solenoid coils were set up for adjusting the axial magnetic fields. Argon plasma generation and ion beam production have been conducted during the first year of operation. Ion current densities in the ECR plasma were measured using a biased disk. For 2.45 and 4.65 GHz two-frequency plasma heating, the ion density was approximately 1.5 times higher than that of 2.45 GHz single-frequency heating.
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Affiliation(s)
- T Asaji
- National Institute of Technology, Toyama College, 13 Hongo, Toyama 939-8630, Japan
| | - T Nakamura
- National Institute of Technology, Oshima College, 1091-1 Komatsu, Suouoshima, Oshima, Yamaguchi 742-2193, Japan
| | - M Furuse
- National Institute of Technology, Oshima College, 1091-1 Komatsu, Suouoshima, Oshima, Yamaguchi 742-2193, Japan
| | - T Hitobo
- Tateyama Machine Co., Ltd., 30 Shimonoban, Toyama 930-1305, Japan
| | - T Uchida
- Graduate School of Engineering, Toyo University, 2100 Kujirai, Kawagoe, Saitama 350-8585, Japan
| | - M Muramatsu
- National Institute of Radiological Sciences (NIRS), 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan
| | - Y Kato
- Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
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Kitagawa A, Drentje AG, Fujita T, Muramatsu M, Fukushima K, Shiraishi N, Suzuki T, Takahashi K, Takasugi W, Biri S, Rácz R, Kato Y, Uchida T, Yoshida Y. Recent developments of ion sources for life-science studies at the Heavy Ion Medical Accelerator in Chiba (invited). Rev Sci Instrum 2016; 87:02C107. [PMID: 26932117 DOI: 10.1063/1.4934843] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
With about 1000-h of relativistic high-energy ion beams provided by Heavy Ion Medical Accelerator in Chiba, about 70 users are performing various biology experiments every year. A rich variety of ion species from hydrogen to xenon ions with a dose rate of several Gy/min is available. Carbon, iron, silicon, helium, neon, argon, hydrogen, and oxygen ions were utilized between 2012 and 2014. Presently, three electron cyclotron resonance ion sources (ECRISs) and one Penning ion source are available. Especially, the two frequency heating techniques have improved the performance of an 18 GHz ECRIS. The results have satisfied most requirements for life-science studies. In addition, this improved performance has realized a feasible solution for similar biology experiments with a hospital-specified accelerator complex.
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Affiliation(s)
- A Kitagawa
- National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage, Chiba 263-8555, Japan
| | - A G Drentje
- National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage, Chiba 263-8555, Japan
| | - T Fujita
- National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage, Chiba 263-8555, Japan
| | - M Muramatsu
- National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage, Chiba 263-8555, Japan
| | - K Fukushima
- Accelerator Engineering Corporation, Chiba, Japan
| | - N Shiraishi
- Accelerator Engineering Corporation, Chiba, Japan
| | - T Suzuki
- Accelerator Engineering Corporation, Chiba, Japan
| | - K Takahashi
- Accelerator Engineering Corporation, Chiba, Japan
| | - W Takasugi
- Accelerator Engineering Corporation, Chiba, Japan
| | - S Biri
- Institute for Nuclear Research (Atomki), Hungarian Academy of Sciences, Bem tér 18/C, H-4026 Debrecen, Hungary
| | - R Rácz
- Institute for Nuclear Research (Atomki), Hungarian Academy of Sciences, Bem tér 18/C, H-4026 Debrecen, Hungary
| | - Y Kato
- Graduate School of Engineering, Osaka University, Osaka, Japan
| | - T Uchida
- Bio-Nano Electronics Research Centre, Toyo University, Kawagoe, Japan
| | - Y Yoshida
- Bio-Nano Electronics Research Centre, Toyo University, Kawagoe, Japan
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Uchida T, Rácz R, Muramatsu M, Kato Y, Kitagawa A, Biri S, Yoshida Y. Two-chamber configuration of Bio-Nano electron cyclotron resonance ion source for fullerene modification. Rev Sci Instrum 2016; 87:02A720. [PMID: 26931938 DOI: 10.1063/1.4934649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
We report on the modification of fullerenes with iron and chlorine using two individually controllable plasmas in the Bio-Nano electron cyclotron resonance ion source (ECRIS). One of the plasmas is composed of fullerene and the other one is composed of iron and chlorine. The online ion beam analysis allows one to investigate the rate of the vapor-phase collisional modification process in the ECRIS, while the offline analyses (e.g., liquid chromatography-mass spectrometry) of the materials deposited on the plasma chamber can give information on the surface-type process. Both analytical methods show the presence of modified fullerenes such as fullerene-chlorine, fullerene-iron, and fullerene-chlorine-iron.
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Affiliation(s)
- T Uchida
- Bio-Nano Electronics Research Centre, Toyo University, Kawagoe 350-8585, Japan
| | - R Rácz
- Institute for Nuclear Research (Atomki), Hungarian Academy of Sciences, Bem tér 18/C, H-4026 Debrecen, Hungary
| | - M Muramatsu
- National Institute of Radiological Sciences (NIRS), Chiba 263-8555, Japan
| | - Y Kato
- Graduate School of Engineering, Osaka University, Suita 565-0871, Japan
| | - A Kitagawa
- National Institute of Radiological Sciences (NIRS), Chiba 263-8555, Japan
| | - S Biri
- Institute for Nuclear Research (Atomki), Hungarian Academy of Sciences, Bem tér 18/C, H-4026 Debrecen, Hungary
| | - Y Yoshida
- Bio-Nano Electronics Research Centre, Toyo University, Kawagoe 350-8585, Japan
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Muramatsu M, Hojo S, Iwata Y, Katagiri K, Sakamoto Y, Takahashi N, Sasaki N, Fukushima K, Takahashi K, Suzuki T, Sasano T, Uchida T, Yoshida Y, Hagino S, Nishiokada T, Kato Y, Kitagawa A. Development of a compact ECR ion source for various ion production. Rev Sci Instrum 2016; 87:02C110. [PMID: 26932120 DOI: 10.1063/1.4935221] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
There is a desire that a carbon-ion radiotherapy facility will produce various ion species for fundamental research. Although the present Kei2-type ion sources are dedicated for the carbon-ion production, a future ion source is expected that could provide: (1) carbon-ion production for medical use, (2) various ions with a charge-to-mass ratio of 1/3 for the existing Linac injector, and (3) low cost for modification. A prototype compact electron cyclotron resonance (ECR) ion source, named Kei3, based on the Kei series has been developed to correspond to the Kei2 type and to produce these various ions at the National Institute of Radiological Sciences (NIRS). The Kei3 has an outer diameter of 280 mm and a length of 1120 mm. The magnetic field is formed by the same permanent magnet as Kei2. The movable extraction electrode has been installed in order to optimize the beam extraction with various current densities. The gas-injection side of the vacuum chamber has enough space for an oven system. We measured dependence of microwave frequency, extraction voltage, and puller position. Charge state distributions of helium, carbon, nitrogen, oxygen, and neon were also measured.
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Affiliation(s)
- M Muramatsu
- National Institute of Radiological Sciences (NIRS), 4-9-1 Anagawa, Inage, Chiba 263-8555, Japan
| | - S Hojo
- National Institute of Radiological Sciences (NIRS), 4-9-1 Anagawa, Inage, Chiba 263-8555, Japan
| | - Y Iwata
- National Institute of Radiological Sciences (NIRS), 4-9-1 Anagawa, Inage, Chiba 263-8555, Japan
| | - K Katagiri
- National Institute of Radiological Sciences (NIRS), 4-9-1 Anagawa, Inage, Chiba 263-8555, Japan
| | - Y Sakamoto
- National Institute of Radiological Sciences (NIRS), 4-9-1 Anagawa, Inage, Chiba 263-8555, Japan
| | - N Takahashi
- Sumitomo Heavy Industries, Ltd., 19 Natsushima, Yokosuka, Kanagawa 237-8555, Japan
| | - N Sasaki
- Accelerator Engineering Corporation, 3-8-5 Konakadai, Inage, Chiba 263-0043, Japan
| | - K Fukushima
- Accelerator Engineering Corporation, 3-8-5 Konakadai, Inage, Chiba 263-0043, Japan
| | - K Takahashi
- Accelerator Engineering Corporation, 3-8-5 Konakadai, Inage, Chiba 263-0043, Japan
| | - T Suzuki
- Accelerator Engineering Corporation, 3-8-5 Konakadai, Inage, Chiba 263-0043, Japan
| | - T Sasano
- Accelerator Engineering Corporation, 3-8-5 Konakadai, Inage, Chiba 263-0043, Japan
| | - T Uchida
- Bio-Nano Electronics Research Centre, Toyo University, 2100 Kujirai, Kawagoe-shi, Saitama 350-8585, Japan
| | - Y Yoshida
- Bio-Nano Electronics Research Centre, Toyo University, 2100 Kujirai, Kawagoe-shi, Saitama 350-8585, Japan
| | - S Hagino
- Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita-shi, Osaka 565-0871, Japan
| | - T Nishiokada
- Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita-shi, Osaka 565-0871, Japan
| | - Y Kato
- Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita-shi, Osaka 565-0871, Japan
| | - A Kitagawa
- National Institute of Radiological Sciences (NIRS), 4-9-1 Anagawa, Inage, Chiba 263-8555, Japan
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Ohnishi T, Uchida T, Yamazaki S, Kimura K. Preparation of poly(ester-imide) ribbons comprised of helical and non-helical blocks by copolymerization. RSC Adv 2016. [DOI: 10.1039/c6ra22494f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Ribbon-like crystals of poly[4-(5-oxy-1,3-dioxoisoindoline-2-yl)benzoyl] comprised of helical and non-helical blocks were prepared by stepwise addition ofp-acetoxybenzoic acid during the homo-polymerization ofN-(4-carboxyphenyl)-4-acetoxyphthalimide in aromatic solvent.
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Affiliation(s)
- T. Ohnishi
- Graduate School of Environmental and Life Science
- Okayama University
- Okayama
- Japan
| | - T. Uchida
- Graduate School of Natural Science and Technology
- Okayama University
- Okayama
- Japan
| | - S. Yamazaki
- Graduate School of Environmental and Life Science
- Okayama University
- Okayama
- Japan
| | - K. Kimura
- Graduate School of Environmental and Life Science
- Okayama University
- Okayama
- Japan
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Mitaka C, Masuda T, Kido K, Uchida T, Abe S, Miyasho T, Tomita M, Inada E. Polymyxin B hemoperfusion prevents acute kidney injury in sepsis model. J Surg Res 2015; 201:59-68. [PMID: 26850185 DOI: 10.1016/j.jss.2015.10.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2015] [Revised: 10/01/2015] [Accepted: 10/08/2015] [Indexed: 12/17/2022]
Abstract
BACKGROUND Direct hemoperfusion with a polymyxin B-immobilized column (PMX-DHP) adsorbs endotoxin and has been used for the treatment of septic shock. Yet, the mechanisms by which PMX-DHP acts on acute kidney injury are only partially understood. MATERIALS AND METHODS Rats were anesthetized, tracheostomized, and placed on mechanical ventilation. The animals were randomized to three groups: a cecal ligation and puncture (CLP) + dummy-DHP group (n = 10), a CLP + PMX-DHP group (n = 10), and a sham group (n = 4). Four hours after CLP, a dummy-DHP or PMX-DHP was performed for 1 h. The heart rate, mean arterial pressure, arterial blood gases, and plasma concentrations of creatinine, lactate, potassium, interleukin (IL)-6, and IL-10 were measured at 0 h and 8 h. Eight hours after CLP, the kidney was harvested, and histopathologic examination was performed. The expressions of cleaved poly (ADP-ribose) polymerase (PARP) and nuclear factor (NF)-κB p65 were examined by immunohistochemistry. A terminal deoxynucleotide transferase dUTP nick-end labeling assay was performed to detect apoptotic nuclei in kidney sections. RESULTS PMX-DHP maintained hemodynamics and the acid-base balance and significantly (P < 0.05) decreased the plasma concentrations of lactate, creatinine, potassium, IL-6, and IL-10 compared with dummy-DHP. PMX-DHP significantly (P < 0.001) attenuated the expressions of cleaved PARP and NF-κB p65 in renal tubular cells and renal tubular cell apoptosis compared with dummy-DHP. CONCLUSIONS These findings suggest that PMX-DHP may protect against acute kidney injury not only by inhibiting the NF-κB signaling pathway but also by preventing renal tubular cell apoptosis.
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Affiliation(s)
- Chieko Mitaka
- Department of Anesthesiology, Juntendo University Hospital, Tokyo, Japan; Department of Anesthesiology, Tokyo Medical and Dental University Graduate School of Medical and Dental Sciences, Tokyo, Japan.
| | - Takahiro Masuda
- Intensive Care Unit, Tokyo Medical and Dental University Hospital of Medicine, Tokyo, Japan
| | - Koji Kido
- Department of Anesthesiology, Tokyo Medical and Dental University Graduate School of Medical and Dental Sciences, Tokyo, Japan
| | - Tokujiro Uchida
- Department of Anesthesiology, Tokyo Medical and Dental University Graduate School of Medical and Dental Sciences, Tokyo, Japan
| | - Shinya Abe
- Department of Comprehensive Pathology, Tokyo Medical and Dental University Graduate School of Medical and Dental Sciences, Tokyo, Japan
| | - Taku Miyasho
- Laboratory of Animal Biological Responses, Department of Veterinary Science School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu, Hokkaido, Japan
| | - Makoto Tomita
- Clinical Research Center, Tokyo Medical and Dental University Hospital of Medicine, Tokyo, Japan
| | - Eiichi Inada
- Department of Anesthesiology, Juntendo University Hospital, Tokyo, Japan
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Oshima N, Onimaru H, Matsubara H, Uchida T, Watanabe A, Takechi H, Nishida Y, Kumagai H. Uric acid, indoxyl sulfate, and methylguanidine activate bulbospinal neurons in the RVLM via their specific transporters and by producing oxidative stress. Neuroscience 2015. [PMID: 26208844 DOI: 10.1016/j.neuroscience.2015.07.055] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Patients with chronic renal failure often have hypertension, but the cause of hypertension, other than an excess of body fluid, is not well known. We hypothesized that the bulbospinal neurons in the rostral ventrolateral medulla (RVLM) are stimulated by uremic toxins in patients with chronic renal failure. To investigate whether RVLM neurons are sensitive to uremic toxins, such as uric acid, indoxyl sulfate, or methylguanidine, we examined changes in the membrane potentials (MPs) of bulbospinal RVLM neurons of Wister rats using the whole-cell patch-clamp technique during superfusion with these toxins. A brainstem-spinal cord preparation that preserved the sympathetic nervous system was used for the experiments. During uric acid, indoxyl sulfate, or methylguanidine superfusion, almost all the RVLM neurons were depolarized. To examine the transporters for these toxins on RVLM neurons, histological examinations were performed. The uric acid-, indoxyl sulfate-, and methylguanidine-depolarized RVLM neurons showed the presence of urate transporter 1 (URAT 1), organic anion transporter (OAT)1 or OAT3, and organic cation transporter (OCT)3, respectively. Furthermore, the toxin-induced activities of the RVLM neurons were suppressed by the addition of an anti-oxidation drug (VAS2870, an NAD(P)H oxidase inhibitor), and a histological examination revealed the presence of NAD(P)H oxidase (nox)2 and nox4 in these RVLM neurons. The present results show that uric acid, indoxyl sulfate, and methylguanidine directly stimulate bulbospinal RVLM neurons via specific transporters on these neurons and by producing oxidative stress. These uremic toxins may cause hypertension by activating RVLM neurons.
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Affiliation(s)
- N Oshima
- Department of Nephrology and Endocrinology, National Defense Medical College, Tokorozawa, Saitama, Japan.
| | - H Onimaru
- Department of Physiology, Showa University School of Medicine, Tokyo, Japan
| | - H Matsubara
- Department of Nephrology and Endocrinology, National Defense Medical College, Tokorozawa, Saitama, Japan
| | - T Uchida
- Department of Nephrology and Endocrinology, National Defense Medical College, Tokorozawa, Saitama, Japan
| | - A Watanabe
- Department of Nephrology and Endocrinology, National Defense Medical College, Tokorozawa, Saitama, Japan
| | - H Takechi
- Department of Nephrology and Endocrinology, National Defense Medical College, Tokorozawa, Saitama, Japan
| | - Y Nishida
- Department of Physiology, National Defense Medical College, Tokorozawa, Saitama, Japan
| | - H Kumagai
- Department of Nephrology and Endocrinology, National Defense Medical College, Tokorozawa, Saitama, Japan
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Ito H, Uchida T, Makita K. Interactions between rat alveolar epithelial cells and bone marrow-derived mesenchymal stem cells: an in vitro co-culture model. Intensive Care Med Exp 2015. [PMID: 26215817 PMCID: PMC4480799 DOI: 10.1186/s40635-015-0053-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [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] [Indexed: 01/08/2023] Open
Abstract
Background Bone marrow-derived mesenchymal stem cells (BMSCs) reduced the severity of acute lung injury after transplantation in multiple experimental studies, and several paracrine soluble factors secreted by the cells likely contribute to their therapeutic effect. The direct interactions between BMSCs and alveolar epithelial cells (AECs) may be an important part of their beneficial effects. Therefore, we assessed the interactions between BMSCs and AECs using a co-culture model of these two cell types from rats. Methods BMSCs and AECs were co-cultured using a Transwell system under the following conditions: (1) separated co-culture—AECs seeded on the insert and BMSCs in the base of the well; and (2) mixed co-culture—AECs on top of the monolayer of BMSCs on the culture insert and no cells in the base of the well. After 21 days of culture, the cells on the membrane of the culture insert were fixed and stained with antibodies against the receptor for advanced glycation end-products (RAGE), surfactant protein D (SP-D), and zona occludens protein-1, and then analyzed by confocal microscopy. Results In the separated co-culture condition, the phenotype of the AECs was maintained for 21 days, and cluster formation of SP-D-positive cells was induced in the AEC monolayer. We also found cluster formations of phospholipid-positive cells covered with RAGE-positive epithelial cells. In the mixed co-culture condition, the BMSCs induced alveolar-like structures covered with an epithelial cell layer. To determine the effect of keratinocyte growth factor (KGF) on this three-dimensional structure formation, we treated the mixed co-cultures with siRNA for KGF. While KGF siRNA treatment induced a significant reduction in surfactant protein transcript expression, formation of the alveolar-like structure was unaffected. We also assessed whether Gap26, a functional inhibitor of connexin-43, could mitigate the effect of the BMSCs on the AECs. However, even at 300 μM, Gap26 did not inhibit formation of the alveolar-like structure. Conclusions BMSCs release soluble factors that help maintain and sustain the AEC phenotype for 21 days, and direct interaction between these two cell types can induce a cyst-like, three-dimensional structure covered with AECs. Electronic supplementary material The online version of this article (doi:10.1186/s40635-015-0053-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Hiroyuki Ito
- Department of Anesthesiology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8519, Japan,
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Masuda H, Mori M, Uzawa A, Muto M, Uchida T, Kuwabara S. Serum antinuclear antibody may be associated with less severe disease activity in neuromyelitis optica. Eur J Neurol 2015; 23:276-81. [DOI: 10.1111/ene.12714] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2014] [Accepted: 02/06/2015] [Indexed: 11/30/2022]
Affiliation(s)
- H. Masuda
- Department of Neurology; Graduate School of Medicine; Chiba University; Chiba Japan
| | - M. Mori
- Department of Neurology; Graduate School of Medicine; Chiba University; Chiba Japan
| | - A. Uzawa
- Department of Neurology; Graduate School of Medicine; Chiba University; Chiba Japan
| | - M. Muto
- Department of Neurology; Graduate School of Medicine; Chiba University; Chiba Japan
| | - T. Uchida
- Department of Neurology; Graduate School of Medicine; Chiba University; Chiba Japan
| | - S. Kuwabara
- Department of Neurology; Graduate School of Medicine; Chiba University; Chiba Japan
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