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Rani K, Ozaki N, Hironaka Y, Hashimoto K, Kodama R, Mukai K, Nakamura H, Takai S, Nagatomo H. Prediction of the superimposed laser shot number for copper using a deep convolutional neural network. Opt Express 2023; 31:24045-24053. [PMID: 37475241 DOI: 10.1364/oe.491420] [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] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 06/14/2023] [Indexed: 07/22/2023]
Abstract
Image-based deep learning (IBDL) is an advanced technique for predicting the surface irradiation conditions of laser surface processing technology. In pulsed-laser surface processing techniques, the number of superimposed laser shots is one of the fundamental and essential parameters that should be optimized for each material. Our primary research aims to build an adequate dataset using laser-irradiated surface images and to successfully predict the number of superimposed shots using the pre-trained deep convolutional neural network (CNN) models. First, the laser shot experiments were performed on copper targets using a nanosecond YAG laser with a wavelength of 532 nm. Then, the training data were obtained with the different superimposed shots of 1 to 1024 in powers of 2. After that, we used several pre-trained deep CNN models to predict the number of superimposed laser shots. Based on the dataset with 1936 images, VGG16 shows a high validation accuracy, higher sensitivity, and more than 99% precision than other deep CNN models. Utilizing the VGG16 model with high sensitivity could positively impact the industries' time, efficiency, and overall production.
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Ebisuda Y, Mukai K, Takahashi Y, Ohmura H. Effect of high ambient temperature on physiological responses during incremental exercise in Thoroughbred horses. Comparative Exercise Physiology 2023. [DOI: 10.3920/cep220018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
Abstract
Several reports have suggested that the risk of exertional heat illness (EHI) in Thoroughbred racehorses increases in high ambient temperatures. Heat dissipation in horses during exercise becomes less efficient when the body temperature and ambient temperature are close. Therefore, we hypothesised that exercise at 40 °C may increase body temperature, oxygen consumption, and cardiac output during incremental exercise tests compared to 20 and 30 °C. Six trained Thoroughbred horses were studied in a randomised, crossover design at three ambient temperatures with a 6-day washout period. Using a 3% inclined treadmill, horses performed incremental exercise tests at 1.7, 3.5, 6, 8, and 10 m/s for 90 s at ambient temperatures of 20, 30, and 40 °C. The effects of ambient temperature at 10 m/s on physiological variables were analysed using mixed models (P<0.05). Pulmonary arterial temperature and rectal temperature at 40 °C were higher than those at 20 °C (P<0.001) and 30 °C (P<0.001). Similarly, oxygen consumption (vs 20 °C, P=0.009; vs 30 °C, P=0.006) and cardiac output (vs 20 °C, P=0.001; vs 30 °C, P=0.001) at 40 °C were higher than those at 20 and 30 °C. Arterial O2 partial pressure, O2 saturation, and pH at 40 °C were lower than those at 20 and 30 °C. Arterial CO2 partial pressure at 40 °C was higher than that at 20 and 30 °C. No differences were observed in arterial-mixed venous O2 concentration difference (P=0.391) and plasma lactate concentration (P=0.134) at different ambient temperatures. These results indicate that exercise at 40 °C causes excessive high body temperature, decreased running economy, and increased cardiac output compared to exercise at 20 and 30 °C. We strongly suggest that trainers and veterinarians should anticipate the occurrence of increased thermal stresses when ambient temperature is extremely high even in dry conditions and prepare to mitigate the risk of EHI from the perspective of equine welfare.
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Affiliation(s)
- Y. Ebisuda
- Sports Science Division, Equine Research Institute, Japan Racing Association, Shiba1400-4, Shimotsuke, Tochigi 329-0412, Japan
| | - K. Mukai
- Sports Science Division, Equine Research Institute, Japan Racing Association, Shiba1400-4, Shimotsuke, Tochigi 329-0412, Japan
| | - Y. Takahashi
- Sports Science Division, Equine Research Institute, Japan Racing Association, Shiba1400-4, Shimotsuke, Tochigi 329-0412, Japan
| | - H. Ohmura
- Sports Science Division, Equine Research Institute, Japan Racing Association, Shiba1400-4, Shimotsuke, Tochigi 329-0412, Japan
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Kobayashi T, Kobayashi M, Narushima Y, Suzuki Y, Watanabe KY, Mukai K, Hayashi Y. Self-Sustained Divertor Oscillation Driven by Magnetic Island Dynamics in Torus Plasma. Phys Rev Lett 2022; 128:085001. [PMID: 35275668 DOI: 10.1103/physrevlett.128.085001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 12/10/2021] [Accepted: 01/12/2022] [Indexed: 06/14/2023]
Abstract
A new type of self-sustained divertor oscillation is discovered in the Large Helical Device stellarator, where the peripheral plasma is detached from material diverters by means of externally applied perturbation fields. The divertor oscillation is found to be a self-regulation of an isolated magnetic field structure (the magnetic island) width induced by a drastic change in a poloidal inhomogeneity of the plasma radiation across the detachment-attachment transitions. A predator-prey model between the magnetic island width and a self-generated local plasma current (the bootstrap current) is introduced to describe the divertor oscillation, which successfully reproduces the experimental observations.
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Affiliation(s)
- T Kobayashi
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki 509-5292, Japan
- The Graduate University for Advanced Studies, SOKENDAI, Toki 509-5292, Japan
| | - M Kobayashi
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki 509-5292, Japan
- The Graduate University for Advanced Studies, SOKENDAI, Toki 509-5292, Japan
| | - Y Narushima
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki 509-5292, Japan
- The Graduate University for Advanced Studies, SOKENDAI, Toki 509-5292, Japan
| | - Y Suzuki
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki 509-5292, Japan
- The Graduate University for Advanced Studies, SOKENDAI, Toki 509-5292, Japan
- Graduate School of Advanced Science and Engineering, Hiroshima University, Higashi-Hiroshima 739-8527, Japan
| | - K Y Watanabe
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki 509-5292, Japan
- Nagoya University, Graduate School of Engineering, Nagoya 464-8603, Japan
| | - K Mukai
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki 509-5292, Japan
- The Graduate University for Advanced Studies, SOKENDAI, Toki 509-5292, Japan
| | - Y Hayashi
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki 509-5292, Japan
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Kitaoka Y, Mukai K, Tonai S, Ohmura H, Takahashi T. Effect of post-exercise muscle cooling on PGC-1α and VEGF mRNA expression in Thoroughbreds. Comparative Exercise Physiology 2022. [DOI: 10.3920/cep210006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Besides preventing exertional heat illness, muscle cooling can be a potential strategy to enhance exercise-training induced adaptations. This study aimed to examine the effects of post-exercise cooling on the mRNA expression of peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α) and vascular endothelial growth factor (VEGF) in Thoroughbred skeletal muscle. Five Thoroughbred horses performed treadmill running until their pulmonary artery temperature reached 42 °C, followed by walking on the treadmill with no additional cooling (CONT) or muscle cooling with a shower using the tap water (26 °C, 0.4 l/s; COOL), for 30 min. Muscle biopsies were obtained before (PRE) and 3 h after exercise (3 Hr-REC) from the gluteus medius muscle. PGC-1α mRNA expression was elevated 3 h after exercise in both the CONT (PRE vs 3 Hr-REC: 1.0±0.1 vs 5.0±0.8, P<0.01) and COOL (PRE vs 3 Hr-REC: 1.1±0.3 vs 6.6±0.9, P<0.01) conditions; however, there was no difference between the two conditions at 3 h after exercise (P=0.17). VEGF mRNA expression was elevated 3 h after exercise in COOL (PRE vs 3 Hr-REC: 1.0±0.2 vs 2.2±0.2, P<0.05) but not in CONT (PRE vs 3 Hr-REC: 1.0±0.1 vs 1.8±0.3, P=0.08). VEGF mRNA expression at 3 h after exercise was significantly negatively correlated with rectal temperature at the end of the 30-min cooling period (r = -0.65, P<0.05). Our results suggest that the decline in body temperature after exercise may lead to greater expression of the key angiogenic gene in Thoroughbred horses.
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Affiliation(s)
- Y. Kitaoka
- Department of Human Sciences, Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama, Kanagawa, 221-8686, Japan
| | - K. Mukai
- Equine Research Institute, Japan Racing Association, 1400-4, Shiba, Shimotsuke, Tochigi, 329-0412, Japan
| | - S. Tonai
- Department of Human Sciences, Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama, Kanagawa, 221-8686, Japan
| | - H. Ohmura
- Equine Research Institute, Japan Racing Association, 1400-4, Shiba, Shimotsuke, Tochigi, 329-0412, Japan
| | - T. Takahashi
- Equine Research Institute, Japan Racing Association, 1400-4, Shiba, Shimotsuke, Tochigi, 329-0412, Japan
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Tamura N, Yoshinuma M, Yin X, Ida K, Suzuki C, Shoji M, Mukai K, Funaba H. A new multi-tracer pellet injection for a simultaneous study of low- and mid/high-Z impurities in high-temperature plasmas. Rev Sci Instrum 2021; 92:063516. [PMID: 34243592 DOI: 10.1063/5.0043495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 06/01/2021] [Indexed: 06/13/2023]
Abstract
A new multi-tracer technique in the Tracer-Encapsulated Solid Pellet (TESPEL) method has been developed in order to acquire simultaneously the information about the behaviors of various impurities, i.e., to study concurrently the behaviors of low- and mid/high-Z impurities in magnetically confined high-temperature plasmas. In this new technique, an inorganic compound (for example, lithium titanate, Li2TiO3) is proposed to be used as a tracer embedded in the core of the TESPEL, instead of pure elements. The results of the proof-of-principle experiment clearly demonstrate the applicability of the new multi-tracer technique in the TESPEL method for the simultaneous study of behaviors of low- and mid/high-Z impurities in high-temperature plasmas.
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Affiliation(s)
- N Tamura
- National Institutes of Natural Sciences, National Institute for Fusion Science, Toki, Gifu 509-5292, Japan
| | - M Yoshinuma
- National Institutes of Natural Sciences, National Institute for Fusion Science, Toki, Gifu 509-5292, Japan
| | - X Yin
- University of South China, Hengyang, Hunan 421001, China
| | - K Ida
- National Institutes of Natural Sciences, National Institute for Fusion Science, Toki, Gifu 509-5292, Japan
| | - C Suzuki
- National Institutes of Natural Sciences, National Institute for Fusion Science, Toki, Gifu 509-5292, Japan
| | - M Shoji
- National Institutes of Natural Sciences, National Institute for Fusion Science, Toki, Gifu 509-5292, Japan
| | - K Mukai
- National Institutes of Natural Sciences, National Institute for Fusion Science, Toki, Gifu 509-5292, Japan
| | - H Funaba
- National Institutes of Natural Sciences, National Institute for Fusion Science, Toki, Gifu 509-5292, Japan
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Mukai K, Peterson BJ, Ezumi N, Shigematsu N, Ohshima S, Miyashita A, Matoike R. Sensitivity improvement of infrared imaging video bolometer for divertor plasma measurement. Rev Sci Instrum 2021; 92:063521. [PMID: 34243579 DOI: 10.1063/5.0043664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 06/04/2021] [Indexed: 06/13/2023]
Abstract
The sensitivity of an infrared imaging video bolometer (IRVB) was improved for the measurement of relatively low energy plasma radiation from the viewpoint of the metal foil absorber material. The photon energy of the radiation was considered up to 1 keV for the divertor plasma measurement. The thickness of the foil absorber was evaluated not only for conventional heavy elements, e.g., platinum, but also for light elements by the relation between the photon energy and attenuation length and by mechanical strength. A heat-transfer calculation using ANSYS suggested that light elements with practical foil thickness provide a higher temperature rise of the foil absorber compared with heavier elements with practical foil thickness. The maximum of the temperature rise was evaluated using He-Ne laser irradiation onto absorber samples. The material dependence of the temperature rise has a similar tendency between calculations and experiments. Experimentally, the sensitivity of the IRVB improved from 280 to 110 µW/cm2 using titanium with 1 µm thickness compared with conventional platinum with 2.5 µm thickness. Consequently, the signal-to-noise ratio of the IRVB could be improved from 2.8 to 9.1.
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Affiliation(s)
- K Mukai
- National Institute for Fusion Science, National Institutes of Natural Science, Toki, Gifu 509-5292, Japan
| | - B J Peterson
- National Institute for Fusion Science, National Institutes of Natural Science, Toki, Gifu 509-5292, Japan
| | - N Ezumi
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - N Shigematsu
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - S Ohshima
- Institute of Advanced Energy, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - A Miyashita
- Graduated School of Energy Science, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - R Matoike
- Graduated School of Energy Science, Kyoto University, Uji, Kyoto 611-0011, Japan
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Hayashi Y, Kobayashi M, Mukai K, Masuzaki S, Murase T. Divertor heat load distribution measurements with infrared thermography in the LHD helical divertor. Fusion Engineering and Design 2021. [DOI: 10.1016/j.fusengdes.2021.112235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Peterson B, Kawamura G, van de Giessen P, Mukai K, Tanaka H, Sano R, Pandya S, Dai S, Masuzaki S, Akiyama T, Kobayashi M, Goto M, Motojima G, Sakamoto R, Ohno N, Morisaki T, Miyazawa J. Experimental observations and modelling of radiation asymmetries during N2 seeding in LHD. Nuclear Materials and Energy 2021. [DOI: 10.1016/j.nme.2020.100848] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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van de Giessen PL, Kawamura G, Borling S, Mukai K, Peterson BJ. Development of a weighted sum estimate of the total radiated power from large helical device plasma. Rev Sci Instrum 2021; 92:033518. [PMID: 33820070 DOI: 10.1063/5.0027302] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 02/07/2021] [Indexed: 06/12/2023]
Abstract
Diagnosing the amount of radiated power is an important research goal for fusion devices. This research aims at better understanding and diagnosing the radiated power from the Large Helical Device (LHD). The current radiated power estimate in the LHD is based on one wide-angle resistive bolometer. Because the estimate stems from one bolometer location toroidally and has a wide-angle poloidal view, this estimate does not take into account toroidal and poloidal radiation asymmetries that are observed in the LHD in discharges with gas puffing. This research develops a method based on the EMC3-Eirene model to calculate the set of coefficients for a weighted-sum method of estimating the radiated power. This study calculates these coefficients by using a least-squares method to solve for a coefficient set, using a variety of simulated cases generated by the EMC3-Eirene model, combined with corresponding geometric radiated power density considerations. If this set of coefficients is multiplied by the detector signal of each bolometer and summed up, this gives a total radiated power estimate. This new estimate takes into account toroidal and poloidal asymmetries by using the bolometer channels viewing different toroidal and poloidal locations, thereby reducing the estimation error and providing information about toroidal asymmetries.
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Affiliation(s)
- P L van de Giessen
- Eindhoven University of Technology, Department of Applied Physics, 5612 AZ Eindhoven, The Netherlands
| | - G Kawamura
- National Institute for Fusion Science, Department of Fusion Science, Toki, Gifu 509-6292, Japan
| | - S Borling
- Whitman College, Department of Physics, Walla Walla, Washington 99362, USA
| | - K Mukai
- National Institute for Fusion Science, Department of Fusion Science, Toki, Gifu 509-6292, Japan
| | - B J Peterson
- National Institute for Fusion Science, Department of Fusion Science, Toki, Gifu 509-6292, Japan
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Takahashi Y, Mukai K, Ohmura H, Takahashi T. Changes in muscle activity with exercise-induced fatigue in Thoroughbred horses. Comparative Exercise Physiology 2021. [DOI: 10.3920/cep200044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Understanding the effects of fatigue can provide guidance for training regimens and injury prevention. We have previously reported that the integrated-electromyogram (iEMG) values of the M. gluteus medius and brachiocephalicus decreased with exercise-induced fatigue, whereas those of the M. longissimus dorsi and infraspinatus were not affected. We hypothesised that exercise-induced fatigue would decrease the activities of the muscles associated with propulsive force but not associated with joint stabilisation. Surface EMG recordings of the forelimb muscles (M. triceps brachii, common digital extensor, ulnaris lateralis), and hindlimb muscles (M. semitendinosus, extensor digitorum longus, extensor digitorum lateralis and flexor digitorum lateralis) were conducted on eight Thoroughbreds. Horses galloped on a treadmill (grade, 3%) at a constant speed (12.6-14.8 m/s) until they could not maintain their position with minimal human encouragement (~5 min). The stride frequency, iEMG for a stride and median frequency during muscle discharge were calculated every 30 s. These parameters were compared between the start and end of the test phase for the leading and trailing limbs. The stride frequency (P<0.01) and iEMG values of the M. semitendinosus in both the leading (P<0.01) and trailing limbs (P<0.05) and those of the M. extensor digitorum longus in the trailing limbs (P<0.05) significantly decreased at the end of the test. No median frequency changes were observed in the assessed muscles. Although muscular fatigue itself was not detected, observed fatigue caused by high-intensity exercise resulted in inability to maintain speed, which was associated with decreased iEMG values in the hip extensor muscles that generate propulsive force. In contrast, almost all muscles that stabilise joints were unaffected by fatigue. One exception was the decreased muscle activity observed in the M. extensor digitorum longus of the trailing limb, which may suggest unstable ground contact. Muscle activity changes with fatigue might be associated with muscle functions.
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Affiliation(s)
- Y. Takahashi
- Sports Science Division, Equine Research Institute, Japan Racing Association, 1400-4, Shiba, Shimotsuke, Tochigi, Japan
| | - K. Mukai
- Sports Science Division, Equine Research Institute, Japan Racing Association, 1400-4, Shiba, Shimotsuke, Tochigi, Japan
| | - H. Ohmura
- Sports Science Division, Equine Research Institute, Japan Racing Association, 1400-4, Shiba, Shimotsuke, Tochigi, Japan
| | - T. Takahashi
- Sports Science Division, Equine Research Institute, Japan Racing Association, 1400-4, Shiba, Shimotsuke, Tochigi, Japan
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Nakano Y, Onishi T, Suzuki M, Niwa T, Mukai K, Ando H, Ohashi H, Waseda K, Takashima H, Amano T. Clinical impact of triglyceride deposit cardiomyovasculopathy, coronary atherosclerosis with triglyceride deposition, on vascular failure after drug-eluting stent implantation. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Triglyceride deposit cardiomyovasculopathy (TGCV) is a novel cardiovascular disorder, encoded as orphan disease in Europe in 2019, characterized by excessive accumulation of triglyceride in vascular smooth muscle cells, leading to coronary artery disease (CAD). However, there is no data about impact of TGCV on vascular failure after coronary stent implantation.
Purpose
To assess impact of TGCV on the outcome following coronary stent implantation in CAD patients with diabetes mellitus (DM) as Study 1, and chronic hemodialysis as Study 2.
Methods
This is multicenter retrospective estimation consisting of two studies.
Study 1) Among 526 consecutive patients suspected of having CAD who underwent coronary angiography (CAG) and iodine-123-β-methyliodophenyl-pentadecanoic acid (BMIPP) scintigraphy, a tracer for the diagnosis of TGCV, data from 81 patients with DM were analyzed.
The patients were divided into two groups; TGCV (n=7) or non-TGCV (n=74). All patients were implanted with a second-generation DES and underwent follow-up CAG. Binary restenosis (ISR), defined as angiographic luminal diameter >50% by quantitative coronary angiography, in-stent late loss were assessed in 15 stents of TGCV patients and 111 stents of non-TGCV patients.
Study 2) Similarly, among 88 chronic hemodialysis patients, ISR and in-stent late loss were assessed in 12 stents of 9 TGCV patients and 21 stents of 17 non-TGCV patients.
Results
Study 1) There were no significant differences in baseline characteristics between the two groups. In-stent late loss was greater in TGCV group than in non-TGCV group (0.91mm [0.27, 2.39] vs. 0.15mm [0.03, 0.35]; p<0.001), resulting in greater incidence of ISR in TGCV group than in non-TGCV group (46.7% vs. 9.0%; p<0.001). Multivariable logistic analysis revealed TGCV to be an independent predictor for vascular failure after DES implantation in patients with DM.
Study 2) Similarly, in-stent late loss and incidence of ISR were greater in TGCV group than in non-TGCV group (1.20±0.99mm vs. 0.50±0.70, p=0.02; 58.3% vs. 9.5%, p=0.002, respectively). TGCV was an independent predictor for vascular failure after DES implantation in chronic hemodialysis patients.
Conclusion
Apart from existing risk factors such as DM and hemodialysis, TGCV could contribute to a novel risk factor for vascular failure, even in the second-generation DES era.
Figure 1
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- Y Nakano
- Aichi Medical University, Nagakute, Japan
| | - T Onishi
- Aichi Medical University, Nagakute, Japan
| | - M Suzuki
- Aichi Medical University, Nagakute, Japan
| | - T Niwa
- Narita Memorial Hospital, Cardiology, Toyohashi, Japan
| | - K Mukai
- Aichi Medical University, Nagakute, Japan
| | - H Ando
- Aichi Medical University, Nagakute, Japan
| | - H Ohashi
- Aichi Medical University, Nagakute, Japan
| | - K Waseda
- Aichi Medical University, Nagakute, Japan
| | | | - T Amano
- Aichi Medical University, Nagakute, Japan
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Kitaoka Y, Mukai K, Takahashi K, Ohmura H, Hatta H. Effect of lactate administration on exercise-induced PGC-1α mRNA expression in Thoroughbreds. Comparative Exercise Physiology 2020. [DOI: 10.3920/cep200009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The aim of this study was to examine the effects of lactate administration on the mRNA response of peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α) to acute exercise in Thoroughbred skeletal muscle. Five Thoroughbred horses performed treadmill running at 90% of maximal oxygen consumption for 2 min on two separate occasions, either after the administration of two litres of a sodium lactate solution (LAC; 500 mmol/l sodium lactate in 0.9% NaCl) or a saline solution as a control (CON; 0.9% NaCl). Lactate administration significantly elevated the peak plasma lactate concentration during exercise (16.0±2.8 mmol/l in LAC vs 10.8±2.2 mmol/l in CON). The increase in PGC-1α mRNA expression after 4 h of recovery from exercise was similar between treatments. However, there was positive correlation between exercise-induced PGC-1α mRNA response at 4 h after exercise and peak plasma lactate concentration during exercise. These results suggest that the exercise intensity-dependent adaptation of PGC-1α may be attributed, at least in part, to an increased lactate concentration.
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Affiliation(s)
- Y. Kitaoka
- Department of Human Sciences, Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama, Kanagawa, 221-8686, Japan
| | - K. Mukai
- Equine Research Institute, Japan Racing Association, 1400-4, Shiba, Shimotsuke-shi, Tochigi, 329-0412, Japan
| | - K. Takahashi
- Department of Sports Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902, Japan
| | - H. Ohmura
- Equine Research Institute, Japan Racing Association, 1400-4, Shiba, Shimotsuke-shi, Tochigi, 329-0412, Japan
| | - H. Hatta
- Department of Sports Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902, Japan
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Fujimoto K, Adachi H, Yamazaki K, Nomura K, Saito A, Matsumoto Y, Igarashi K, Uranishi H, Sakaguchi S, Matsuura T, Imura J, Okino K, Mukai K, Okushi Y, Kagaya Y, Tsuruyama Y, Okada K, Miyatake N, Haraguchi T, Iida Y, Yokoyama H. Comparison of the pain-reducing effects of EMLA cream and of lidocaine tape during arteriovenous fistula puncture in patients undergoing hemodialysis: A multi-center, open-label, randomized crossover trial. PLoS One 2020; 15:e0230372. [PMID: 32210455 PMCID: PMC7094835 DOI: 10.1371/journal.pone.0230372] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 02/26/2020] [Indexed: 11/18/2022] Open
Abstract
Arteriovenous fistula puncture pain is a serious problem for patients undergoing dialysis and a good indication for topical anesthetics. No previous study has compared lidocaine/prilocaine cream (EMLA) with lidocaine tape for pain relief during arteriovenous fistula puncture in patients undergoing maintenance hemodialysis. To this end, we conducted a multicenter randomized crossover study including 66 patients (mean age, 65.8 years; males, 57.6%) undergoing maintenance hemodialysis thrice/week. Subjects were assigned to Sequence EL (EMLA administration followed by lidocaine, with 1-week wash-out) or Sequence LE (reverse administration, first lidocaine then EMLA). All subjects completed the study. At each puncture site, 1 g EMLA (25 mg lidocaine + 25 mg prilocaine) or one sheet of lidocaine tape (18 mg lidocaine) was applied 1 h or 30 min prior to arteriovenous fistula puncture, respectively. The primary endpoint was puncture pain relief, which was measured using a 100-mm visual analog scale. The secondary endpoints included quality of life, which was measured by SF-36, and safety. EMLA produced a 10.1-mm greater visual analog scale improvement than lidocaine tape (P = 0.00001). However, there was no statistically significant difference in the quality of life between the two groups, and no significant carryover/period effect was observed in any analysis. Further, no drug-related adverse events were observed. Taken together, these results suggest that EMLA cream is superior to lidocaine tape for the relief of arteriovenous fistula puncture pain in patients undergoing maintenance hemodialysis. Trial registration: University Hospital Medical Information Network Clinical Trials Registry (UMIN000027885).
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Affiliation(s)
- Keiji Fujimoto
- Department of Nephrology, Kanazawa Medical University School of Medicine, Ishikawa, Japan
- * E-mail:
| | - Hiroki Adachi
- Department of Nephrology, Kanazawa Medical University School of Medicine, Ishikawa, Japan
| | | | - Kanae Nomura
- Department of Nephrology, Kanazawa Medical University School of Medicine, Ishikawa, Japan
| | - Atsushi Saito
- Kanazawa Medical University Himi Municipal Hospital, Toyama, Japan
| | | | | | | | | | - Toshikazu Matsuura
- Department of Nephrology, Kanazawa Medical University School of Medicine, Ishikawa, Japan
| | | | - Kazuaki Okino
- Department of Nephrology, Kanazawa Medical University School of Medicine, Ishikawa, Japan
| | - Kiyotaka Mukai
- Department of Nephrology, Kanazawa Medical University School of Medicine, Ishikawa, Japan
| | - Yuki Okushi
- Department of Nephrology, Kanazawa Medical University School of Medicine, Ishikawa, Japan
| | - Yu Kagaya
- Keiju Medical Center, Ishikawa, Japan
| | - Yuko Tsuruyama
- Department of Nephrology, Kanazawa Medical University School of Medicine, Ishikawa, Japan
| | - Keiichiro Okada
- Department of Nephrology, Kanazawa Medical University School of Medicine, Ishikawa, Japan
| | - Nobuhiko Miyatake
- Department of Nephrology, Kanazawa Medical University School of Medicine, Ishikawa, Japan
| | | | - Yasuo Iida
- Department of Mathematics, Kanazawa Medical University, Ishikawa Japan
| | - Hitoshi Yokoyama
- Department of Nephrology, Kanazawa Medical University School of Medicine, Ishikawa, Japan
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14
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Okada K, Nomura-Nakayama K, Okushi Y, Okino K, Mukai K, Hayashi N, Fujimoto K, Adachi H, Yokoyama H. Changes in double-strand DNA breaks predict delayed graft function (DGF) in Japanese renal allograft recipients. Clin Exp Nephrol 2019; 24:96-104. [PMID: 31811409 DOI: 10.1007/s10157-019-01793-8] [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: 02/21/2019] [Accepted: 09/11/2019] [Indexed: 11/25/2022]
Abstract
BACKGROUND Although delayed graft function (DGF) is a serious complication following kidney transplantation, a reliable and early diagnostic test is lacking to identify the grade of DGF. METHODS We investigated changes in double-strand DNA breaks (DSBs), and factors related to DGF, such as ischemic times at transplantation and serum creatinine (sCr) levels. DSBs were detected by phospho-histone H2A.X (γ-H2AX) expression and cellular regeneration by Ki-67 before (0 h) and 1 h after allograft reperfusion (1 h) in each subject. RESULTS The expression of γ-H2AX or Ki-67 at 0 h showed no difference between the living and deceased donors. γ-H2AX at 1 h decreased in the living donors, but increased in the deceased donors compared with that of 0 h(p = 0.017). Changes (Δ) in γ-H2AX between 0 and 1 h were different among subgroups, i.e., immediate function, slow graft function with dialysis < 7 days, DGF with dialysis < 4 weeks, severe DGF with dialysis > 4 weeks, or primary non-function (PNF) (p = 0.04). Severe DGF and PNF cases showed greater increase in Δγ-H2AX (p = 0.019), and were distinguished by > 12% of Δγ-H2AX at 100% sensitivity and 88.2% specificity (ROC analysis, AUC: 0.922, p = 0.023). In a multivariate regression analysis, donor sCr and Δγ-H2AX were two main predictors of the grade of DGF (p = 0.002). The expression of Ki-67 was very low at both 0 h and 1 h. CONCLUSION The combination of donor sCr and Δγ-H2AX from 0 to 1 h after reperfusion may predict severe DGF and PNF in the early phase.
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Affiliation(s)
- Keiichiro Okada
- Department of Nephrology, Kanazawa Medical University School of Medicine, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Kanae Nomura-Nakayama
- Department of Nephrology, Kanazawa Medical University School of Medicine, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Yuki Okushi
- Department of Nephrology, Kanazawa Medical University School of Medicine, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Kazuaki Okino
- Department of Nephrology, Kanazawa Medical University School of Medicine, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Kiyotaka Mukai
- Department of Nephrology, Kanazawa Medical University School of Medicine, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Norifumi Hayashi
- Department of Nephrology, Kanazawa Medical University School of Medicine, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Keiji Fujimoto
- Department of Nephrology, Kanazawa Medical University School of Medicine, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Hiroki Adachi
- Department of Nephrology, Kanazawa Medical University School of Medicine, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Hitoshi Yokoyama
- Department of Nephrology, Kanazawa Medical University School of Medicine, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan.
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15
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Takashima H, Suzuki A, Sakurai S, Ando H, Nakano Y, Watanabe A, Mukai K, Wakabayashi H, Kojima H, Sawada H, Saka Y, Fujimoto M, Tanabe S, Ohashi H, Amano T. P5633Diagnostic impact of resting full-cycle ratio as newly developed non-hyperemic indices for physiological lesion assessment. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Although fractional flow reserve (FFR) is a gold standard method to evaluate functional lesion severity in the catheterization laboratory, the need of hyperemic condition limits the widespread adoption of FFR. Recently, the resting full-cycle ratio (RFR) which was newly developed resting indices was launched. It is unclear whether RFR as resting condition could assess physiological lesion severity of coronary artery stenosis. The aim of this study was to evaluate the diagnostic impact of RFR compared to FFR in entire range of coronary artery stenosis.
Method
A total of 53 patients with 70 lesions were enrolled in this study. The RFR was measured after adequately waiting for stable condition, while FFR was measured after intravenous administration of ATP (180mcg/kg/min). Lesions with FFR ≤0.80 were considered functionally significant coronary artery stenosis.
Results
In all lesions, reference diameter, diameter stenosis, lesion length, RFR, and FFR were 3.3±0.8mm, 44±12%, 14.6±7.2mm, 0.90±0.11, and 0.83±0.11, respectively. Functional significance was observed in 24 lesions (34%) of all lesions. The RFR showed a significant correlation with FFR (y = 0.800x + 0.239, R = 0.817, p<0.001). The Bland-Altman plot demonstrated a good agreement with a mean difference of 0.07 and a standard deviation of 0.06 between RFR and FFR across entire range of coronary artery stenosis. ROC curve analysis showed an excellent accuracy of RFR cut-off of ≤0.90 in predicting FFR ≤0.80 which had 78% sensitivity and 87% specificity (AUC 0.87, diagnostic accuracy 84%).
Conclusion
The RFR as newly resting indices is reliable to the assessment of functional lesion severity. This physiology-based approach may be a possible alternative method for FFR measurements in daily practice.
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Affiliation(s)
| | - A Suzuki
- Aichi Medical University, Nagakute, Japan
| | - S Sakurai
- Aichi Medical University, Nagakute, Japan
| | - H Ando
- Aichi Medical University, Nagakute, Japan
| | - Y Nakano
- Aichi Medical University, Nagakute, Japan
| | - A Watanabe
- Aichi Medical University, Nagakute, Japan
| | - K Mukai
- Aichi Medical University, Nagakute, Japan
| | | | - H Kojima
- Aichi Medical University, Nagakute, Japan
| | - H Sawada
- Aichi Medical University, Nagakute, Japan
| | - Y Saka
- Aichi Medical University, Nagakute, Japan
| | - M Fujimoto
- Aichi Medical University, Nagakute, Japan
| | - S Tanabe
- Aichi Medical University, Nagakute, Japan
| | - H Ohashi
- Aichi Medical University, Nagakute, Japan
| | - T Amano
- Aichi Medical University, Nagakute, Japan
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16
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Okada K, Nomura K, Okushi Y, Okino K, Mukai K, Hayashi N, Fujimoto K, Adachi H, Yokoyama H. SP746Changes in double-strand DNA breaks predict delayed graft function (DGF) in Japanese renal allograft recipient. Nephrol Dial Transplant 2019. [DOI: 10.1093/ndt/gfz103.sp746] [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)
| | | | - Yuki Okushi
- Kanazawa Medical University, Uchinada, Japan
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17
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Suzuki C, Mukai K, Masuzaki S, Kobayashi M, Peterson B, Akiyama T, Murakami I. Spectroscopic studies on the enhanced radiation with high Z rare gas seeding for mitigating divertor heat loads in LHD plasmas. Nuclear Materials and Energy 2019. [DOI: 10.1016/j.nme.2019.02.039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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18
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Mukai K, Abe R, Peterson BJ, Takayama S. Improvement of infrared imaging video bolometer for application to deuterium experiment on the large helical device. Rev Sci Instrum 2018; 89:10E114. [PMID: 30399915 DOI: 10.1063/1.5038947] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Accepted: 07/03/2018] [Indexed: 06/08/2023]
Abstract
An infrared imaging video bolometer was improved for application to a neutron environment in fusion plasma devices, i.e., the Large Helical Device (LHD). In order to calibrate the thermal characteristics of the activated foil absorber inside the plasma vacuum vessel, the remote-controlled in situ calibration system was improved with high-surface-flatness mirrors. Furthermore, the carbon coating method was improved by introducing a vacuum evaporation technique instead of the conventional spray technique to realize the coating on both sides of the absorber with reproducibility and uniformity. The optimal thickness of the coating was also determined. Owing to these coating improvements, the reproducibility of the effective emissivity on both sides especially was improved. Finally, the variation with the neutron irradiation of the thermal characteristics of the foil absorber was investigated. It was found that the effect was not significant for the total neutron emission of 3.6 × 1018 on LHD.
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Affiliation(s)
- K Mukai
- National Institute for Fusion Science, National Institutes of Natural Science, Toki 509-5292, Japan
| | - R Abe
- National Institute of Technology, Sendai College, Natori 981-1239, Japan
| | - B J Peterson
- National Institute for Fusion Science, National Institutes of Natural Science, Toki 509-5292, Japan
| | - S Takayama
- National Institute for Fusion Science, National Institutes of Natural Science, Toki 509-5292, Japan
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19
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Reinke ML, Terry JL, van Eden GG, Peterson BJ, Mukai K, Gray TK, Stratton BC. Experimental tests of an infrared video bolometer on Alcator C-Mod. Rev Sci Instrum 2018; 89:103507. [PMID: 30399930 DOI: 10.1063/1.5047050] [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] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Accepted: 09/24/2018] [Indexed: 06/08/2023]
Abstract
A prototype of an infrared imaging bolometer (IRVB) was successfully tested on the Alcator C-Mod tokamak at the end of its 2016 campaign. The IRVB method interprets the power radiated from the plasma by measuring the temperature rise of a thin, ∼2 μm, Pt absorber that is placed in the torus vacuum and exposed, using a pinhole camera, to the full-spectrum of plasma's photon emission. The IRVB installed on C-Mod viewed the poloidal cross section of the core plasma and observed Ohmic and ion cyclotron range of frequency (ICRF)-heated plasmas. Analysis of total radiated power and on-axis emissivity from IRVB is summarized, and quantitative comparisons made to data from both resistive bolometers and AXUV diodes. IRVB results are clearly within a factor of two, but additional effort is needed for it to be used to fully support power exhaust research. The IRVB is shown to be immune to electromagnetic interference from ICRF which strongly impacts C-Mod's resistive bolometers. Results of the bench-top calibration are summarized, including a novel temperature calibration method useful for IRVBs.
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Affiliation(s)
- M L Reinke
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830-6286, USA
| | - J L Terry
- MIT Plasma Science and Fusion Center, Cambridge, Massachusetts 02139, USA
| | - G G van Eden
- Dutch Institute for Fusion Energy, Eindhoven, The Netherlands
| | - B J Peterson
- National Institute for Fusion Science, Toki, Japan
| | - K Mukai
- National Institute for Fusion Science, Toki, Japan
| | - T K Gray
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830-6286, USA
| | - B C Stratton
- Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543, USA
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20
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Mukai K, Kuda Y, Shibamoto T, Tanida M, Kurata Y, Yokoyama H. Renal response to anaphylaxis in anesthetized rats and isolated perfused rat kidneys: roles of nitric oxide. J Physiol Sci 2018; 68:689-697. [PMID: 29209891 PMCID: PMC10717926 DOI: 10.1007/s12576-017-0583-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Accepted: 11/24/2017] [Indexed: 11/30/2022]
Abstract
We determined the renal responses to anaphylaxis and the effects of a nitric oxide synthesis inhibitor, L-NAME, in anesthetized rats and isolated perfused rat kidneys. After the ovalbumin antigen injection, the sensitized rats showed transient and substantial decreases in mean blood pressure and renal blood flow and an increase in renal vascular resistance. Creatinine clearance, a measure of renal function, decreased to 53% baseline at 2 h after antigen. L-NAME pretreatment significantly enhanced the antigen-induced renal vasoconstriction and renal dysfunction. Moreover, plasma creatinine levels significantly increased only in the L-NAME pretreated rats. Separately, in isolated perfused kidneys, we observed the antigen-induced renal vasoconstriction and its augmentation by L-NAME. In conclusion, the renal vascular response to the antigen is vasoconstriction, which is enhanced by L-NAME in both isolated perfused rat kidneys and anesthetized rats; it is accompanied by renal dysfunction, which is also augmented by L-NAME.
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Affiliation(s)
- Kiyotaka Mukai
- Department of Nephrology, Kanazawa Medical University, Ishikawa, 920-0293, Japan
| | - Yuhichi Kuda
- Department of Physiology II, Kanazawa Medical University, Ishikawa, 920-0293, Japan
| | - Toshishige Shibamoto
- Department of Physiology II, Kanazawa Medical University, Ishikawa, 920-0293, Japan.
| | - Mamoru Tanida
- Department of Physiology II, Kanazawa Medical University, Ishikawa, 920-0293, Japan
| | - Yasutaka Kurata
- Department of Physiology II, Kanazawa Medical University, Ishikawa, 920-0293, Japan
| | - Hitoshi Yokoyama
- Department of Nephrology, Kanazawa Medical University, Ishikawa, 920-0293, Japan
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21
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Nakano Y, Wakabayashi H, Mukai K, Niwa T, Watanabe A, Ando H, Takashima H, Mizuno T, Waseda K, Amano T. P914Clinical impact of tricuspid annular plane systolic excursion, the index of right ventricular performance, to detect low cardiac output state. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy564.p914] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Y Nakano
- Aichi Medical University, Nagakute, Japan
| | | | - K Mukai
- Aichi Medical University, Nagakute, Japan
| | - T Niwa
- Aichi Medical University, Nagakute, Japan
| | - A Watanabe
- Aichi Medical University, Nagakute, Japan
| | - H Ando
- Aichi Medical University, Nagakute, Japan
| | | | - T Mizuno
- Aichi Medical University, Nagakute, Japan
| | - K Waseda
- Aichi Medical University, Nagakute, Japan
| | - T Amano
- Aichi Medical University, Nagakute, Japan
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22
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Kojima T, Kasai H, Tsushima T, Hara H, Mori Y, Ishihara R, Kato K, Hironaka S, Mukai K, Kikuchi O, Enomoto K, Tada H, Uozumi R, Kawaguchi A, Muto M. A phase II study of TAS-102 for advanced/recurrent esophageal cancer refractory/intolerable to standard therapies. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx369.023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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23
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Tanaka H, Kawamura G, Masuzaki S, Kobayashi M, Akiyama T, Peterson B, Mukai K, Sano R, Dai S, Sakamoto R, Morisaki T, Ohno N. Toroidally symmetric/asymmetric effect on the divertor flux due to neon/nitrogen seeding in LHD. Nuclear Materials and Energy 2017. [DOI: 10.1016/j.nme.2016.12.020] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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24
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Mukai K, Mizuno T, Nakano Y, Niwa T, Watanabe A, Wakabayashi H, Ando H, Takashima H, Waseda K, Amano T. P1434The usefulness of tricuspid annular plane systolic excursion, the index of right ventricular performance, to detect low stroke index. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p1434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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25
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Mukai K, Zhu W, Nakajima Y, Kobayashi M, Nakatani T. Non-invasive longitudinal monitoring of angiogenesis in a murine full-thickness cutaneous wound healing model using high-resolution three-dimensional ultrasound imaging. Skin Res Technol 2017; 23:581-587. [DOI: 10.1111/srt.12374] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/12/2017] [Indexed: 11/29/2022]
Affiliation(s)
- K. Mukai
- Faculty of Health Sciences; Institute of Medical; Pharmaceutical and Health Sciences; Kanazawa University; Kanazawa Japan
| | - W. Zhu
- Department of Quantum Medical Technology; Graduate Course of Medical Science and Technology; Division of Health Sciences; Graduate School of Medical Sciences; Kanazawa University; Kanazawa Japan
| | - Y. Nakajima
- Department of Clinical Nursing; Graduate Course of Nursing Science; Division of Health Sciences; Graduate School of Medical Sciences; Kanazawa University; Kanazawa Japan
| | - M. Kobayashi
- Wellness Promotion Science Center; Institute of Medical; Pharmaceutical and Health Sciences; Kanazawa University; Kanazawa Japan
| | - T. Nakatani
- Faculty of Health Sciences; Institute of Medical; Pharmaceutical and Health Sciences; Kanazawa University; Kanazawa Japan
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26
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Okushi Y, Okino K, Mukai K, Matsui Y, Hayashi N, Fujimoto K, Adachi H, Yamaya H, Yokoyama H. Circulating and renal expression of HLA-G prevented chronic renal allograft dysfunction in Japanese recipients. Clin Exp Nephrol 2017; 21:932-940. [DOI: 10.1007/s10157-016-1378-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Accepted: 12/05/2016] [Indexed: 11/28/2022]
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27
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Okino K, Okushi Y, Mukai K, Matsui Y, Hayashi N, Fujimoto K, Adachi H, Yamaya H, Yokoyama H. The long-term outcomes of hepatitis C virus core antigen-positive Japanese renal allograft recipients. Clin Exp Nephrol 2017; 21:1113-1123. [PMID: 28357506 DOI: 10.1007/s10157-017-1394-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 02/13/2017] [Indexed: 12/22/2022]
Abstract
BACKGROUND The impact of hepatitis C virus (HCV) infections on patient long-term survival after renal transplants is unclear. METHOD To clarify the long-term outcomes of Japanese renal allograft recipients with HCV infections, we studied the cases of 187 patients (118 males and 69 females; 155 living donor cases, and 32 deceased donor cases; median follow-up period: 250 months) who underwent an initial renal transplant at Kanazawa Medical University from 1974 onwards. RESULT In this cohort, 35 patients (18.7%) were HCV core antigen (Ag)-positive, and 13 of them (37.1%) died (due to liver cirrhosis (4 cases), hepatocellular carcinoma (1 case), fibrosing cholestatic hepatitis due to HCV (1 case), and infections complicated with chronic hepatitis (6 cases)). However, only 14 of the 145 (9.7%) recipients died in the HCV-Ag/HCV antibody (Ab)-negative group. The Kaplan-Meier life table method indicated that the HCV-infected group exhibited significantly lower patient and death-censored allograft survival rates (log-rank test; patient survival: Chi-square: 11.2, p = 0.004; graft survival: Chi-square: 25.7, p < 0.001). The survival rate of the HCV-Ag-positive recipients decreased rapidly at 240 months after the renal transplant procedure. In addition, a Cox proportional hazards model indicated that positivity for the HCV-Ag was the most important independent risk factor for post-renal transplant survival and allograft function [survival: hazard ratio (HR) 3.93 (1.54-10.03), p = 0.004; graft function: HR 2.09 (1.14-3.81), p = 0.016]. CONCLUSION HCV infection is a harmful risk factor for patient survival (especially at ≥20 years post-renal transplant) and renal allograft function in allograft recipients.
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Affiliation(s)
- Kazuaki Okino
- Department of Nephrology, Kanazawa Medical University School of Medicine, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan.
| | - Yuki Okushi
- Department of Nephrology, Kanazawa Medical University School of Medicine, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Kiyotaka Mukai
- Department of Nephrology, Kanazawa Medical University School of Medicine, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Yuki Matsui
- Department of Nephrology, Kanazawa Medical University School of Medicine, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Norifumi Hayashi
- Department of Nephrology, Kanazawa Medical University School of Medicine, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Keiji Fujimoto
- Department of Nephrology, Kanazawa Medical University School of Medicine, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Hiroki Adachi
- Department of Nephrology, Kanazawa Medical University School of Medicine, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Hideki Yamaya
- Department of Nephrology, Kanazawa Medical University School of Medicine, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Hitoshi Yokoyama
- Department of Nephrology, Kanazawa Medical University School of Medicine, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan.
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28
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Zang L, Mizuuchi T, Nishino N, Ohshima S, Yamamoto S, Sun YC, Kasajima K, Takeuchi M, Mukai K, Lee HY, Kenmochi N, Ohtani Y, Nagasaki K, Kado S, Okada H, Minami T, Kobayashi S, Shi N, Konoshima S, Nakamura Y, Sano F. Interpretation of Plasma Fluctuation Data from Combination Measurement of a Perpendicular-View Camera and a Langmuir Probe in Heliotron J. Fusion Science and Technology 2017. [DOI: 10.13182/fst14-862] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- L. Zang
- Kyoto University, Institute of Advanced Energy, Gokasho, Uji, 611-0011, Japan
| | - T. Mizuuchi
- Kyoto University, Institute of Advanced Energy, Gokasho, Uji, 611-0011, Japan
| | - N. Nishino
- Hiroshima University, Graduate School of Engineering, Higashihiroshima, 739-8527, Japan
| | - S. Ohshima
- Kyoto University, Institute of Advanced Energy, Gokasho, Uji, 611-0011, Japan
| | - S. Yamamoto
- Kyoto University, Institute of Advanced Energy, Gokasho, Uji, 611-0011, Japan
| | - Y. C. Sun
- Tsinghua University, Department of Engineering Physics, Beijing, 100084, China
| | - K. Kasajima
- Kyoto University, Graduate School of Energy Science, Uji, 611-0011, Japan
| | - M. Takeuchi
- Japan Atomic Energy Agency, Naka Fusion Institute, Naka, 311-0193, Japan
| | - K. Mukai
- National Institute for Fusion Science, Toki, 509-5292, Japan
| | - H. Y. Lee
- Korean Advanced Institute of Science and Technology, Daejeon, 305-701, Korea
| | - N. Kenmochi
- Hiroshima University, Graduate School of Engineering, Higashihiroshima, 739-8527, Japan
| | - Y. Ohtani
- Kyoto University, Graduate School of Energy Science, Uji, 611-0011, Japan
| | - K. Nagasaki
- Kyoto University, Institute of Advanced Energy, Gokasho, Uji, 611-0011, Japan
| | - S. Kado
- Kyoto University, Institute of Advanced Energy, Gokasho, Uji, 611-0011, Japan
| | - H. Okada
- Kyoto University, Institute of Advanced Energy, Gokasho, Uji, 611-0011, Japan
| | - T. Minami
- Kyoto University, Institute of Advanced Energy, Gokasho, Uji, 611-0011, Japan
| | - S. Kobayashi
- Kyoto University, Institute of Advanced Energy, Gokasho, Uji, 611-0011, Japan
| | - N. Shi
- Kyoto University, Institute of Advanced Energy, Gokasho, Uji, 611-0011, Japan
| | - S. Konoshima
- Kyoto University, Institute of Advanced Energy, Gokasho, Uji, 611-0011, Japan
| | - Y. Nakamura
- Kyoto University, Institute of Advanced Energy, Gokasho, Uji, 611-0011, Japan
| | - F. Sano
- Kyoto University, Institute of Advanced Energy, Gokasho, Uji, 611-0011, Japan
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Wang M, Shibamoto T, Kuda Y, Tanida M, Zhang T, Song J, Mukai K, Kurata Y. The Responses of Pulmonary and Systemic Circulation and Airway to Allergic Mediators in Anesthetized Rats. Biol Pharm Bull 2017; 39:556-63. [PMID: 27040628 DOI: 10.1248/bpb.b15-00864] [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] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Lung allergic diseases sometimes accompany pulmonary vaso- and broncho-constriction. Rats are currently used for the experimental study of lung allergies. However, their hemodynamic mechanisms are not fully understood. Therefore the effects of allergic mediators were determined systematically in vivo in rats in terms of pulmonary vascular resistance (PVR), airway pressure (AWP) and total peripheral resistance (TPR). We directly measured pulmonary arterial pressure, left atrial pressure, systemic arterial pressure, central venous pressure and aortic blood flow to determine PVR and TPR, as well as AWP, following injections of platelet-activating factor (PAF), histamine, serotonin, leukotriene (LT) C4, and prostaglandin (PG) D2 in anesthetized open-chest artificially ventilated Sprague-Dawley (SD) rats. PVR was dose-dependently increased by consecutive administration of PAF, LTC4, and PGD2, with the maximal responsiveness being PAF>LTC4>PGD2. However, neither histamine nor serotonin changed PVR. TPR was decreased by all agents except LTC4 which actually increased it. PAF and serotonin, but not the other agents, increased AWP. In conclusion, allergic mediators exert non-uniform actions on pulmonary and systemic circulation and airways in anesthetized SD rats: PAF, LTC4 and PGD2, but not histamine or serotonin, caused substantial pulmonary vasoconstriction; LTC4 yielded systemic vasoconstriction, while the others caused systemic vasodilatation; only two mediators, PAF and serotonin, induce airway constriction.
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Affiliation(s)
- Mofei Wang
- Department of Physiology II, Kanazawa Medical University
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Adachi T, Nakanishi T, Yumoto H, Hirao K, Takahashi K, Mukai K, Nakae H, Matsuo T. Caries-related Bacteria and Cytokines Induce CXCL10 in Dental Pulp. J Dent Res 2016; 86:1217-22. [DOI: 10.1177/154405910708601215] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Marked infiltration of inflammatory cells, such as activated T-cells, is observed in the progression of pulpitis; however, little is known about the mechanism of their recruitment into pulpal lesions. It has been recently demonstrated that CXC chemokine ligand 10 (CXCL10) chemoattracts CXC chemokine receptor 3 (CXCR3)-positive activated T-cells. We therefore examined whether CXCL10 is involved in the pathogenesis of pulpitis. CXCL10 mRNA expression levels in clinically inflamed dental pulp were higher than those in healthy dental pulp. Immunostaining results revealed that CXCL10 was detected in macrophages, endothelial cells, and fibroblasts in inflamed dental pulp, and that CXCR3 expression was observed mainly on T-cells. Moreover, cultured dental pulp fibroblasts produced CXCL10 after stimulation with live caries-related bacteria, peptidoglycans, and pro-inflammatory cytokines. In contrast, heat-killed bacteria did not induce CXCL10 secretion. These findings suggest that CXCL10-CXCR3 may play an important role in the pulpal immune response to caries-related bacterial invasion. Abbreviations: CXCL10, CXC chemokine ligand 10; CXCR3, CXC chemokine receptor 3; IFN, interferon; FBS, fetal bovine serum; LTA, lipoteichoic acid; PGN, peptidoglycan; IL, interleukin; TNF, tumor necrosis factor; PBS, phosphate-buffered saline; ELISA, enzyme-linked immunosorbent assay; CCL, C-C chemokine ligand; TLR, Toll-like receptor; NOD, nucleotide oligomerization domain; HDPF, human dental pulp fibroblasts.
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Affiliation(s)
- T. Adachi
- Department of Conservative Dentistry, Institute of Health Biosciences, The University of Tokushima Graduate School, 3-18-15 Kuramoto-cho, Tokushima 770-8504, Japan
| | - T. Nakanishi
- Department of Conservative Dentistry, Institute of Health Biosciences, The University of Tokushima Graduate School, 3-18-15 Kuramoto-cho, Tokushima 770-8504, Japan
| | - H. Yumoto
- Department of Conservative Dentistry, Institute of Health Biosciences, The University of Tokushima Graduate School, 3-18-15 Kuramoto-cho, Tokushima 770-8504, Japan
| | - K. Hirao
- Department of Conservative Dentistry, Institute of Health Biosciences, The University of Tokushima Graduate School, 3-18-15 Kuramoto-cho, Tokushima 770-8504, Japan
| | - K. Takahashi
- Department of Conservative Dentistry, Institute of Health Biosciences, The University of Tokushima Graduate School, 3-18-15 Kuramoto-cho, Tokushima 770-8504, Japan
| | - K. Mukai
- Department of Conservative Dentistry, Institute of Health Biosciences, The University of Tokushima Graduate School, 3-18-15 Kuramoto-cho, Tokushima 770-8504, Japan
| | - H. Nakae
- Department of Conservative Dentistry, Institute of Health Biosciences, The University of Tokushima Graduate School, 3-18-15 Kuramoto-cho, Tokushima 770-8504, Japan
| | - T. Matsuo
- Department of Conservative Dentistry, Institute of Health Biosciences, The University of Tokushima Graduate School, 3-18-15 Kuramoto-cho, Tokushima 770-8504, Japan
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Mukai K, Peterson BJ, Takayama S, Sano R. In situ calibration of the foil detector for an infrared imaging video bolometer using a carbon evaporation technique. Rev Sci Instrum 2016; 87:11E124. [PMID: 27910579 DOI: 10.1063/1.4961280] [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: 06/06/2023]
Abstract
The InfraRed imaging Video Bolometer (IRVB) is a useful diagnostic for the multi-dimensional measurement of plasma radiation profiles. For the application of IRVB measurement to the neutron environment in fusion plasma devices such as the Large Helical Device (LHD), in situ calibration of the thermal characteristics of the foil detector is required. Laser irradiation tests of sample foils show that the reproducibility and uniformity of the carbon coating for the foil were improved using a vacuum evaporation method. Also, the principle of the in situ calibration system was justified.
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Affiliation(s)
- K Mukai
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki 502-5292, Japan
| | - B J Peterson
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki 502-5292, Japan
| | - S Takayama
- National Institute for Fusion Science, National Institutes of Natural Sciences, Toki 502-5292, Japan
| | - R Sano
- National Institutes for Quantum and Radiological Science and Technology, Naka 311-0193, Japan
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van Eden GG, Reinke ML, Peterson BJ, Gray TK, Delgado-Aparicio LF, Jaworski MA, Lore J, Mukai K, Sano R, Pandya SN, Morgan TW. Design and characterization of a prototype divertor viewing infrared video bolometer for NSTX-U. Rev Sci Instrum 2016; 87:11D402. [PMID: 27910411 DOI: 10.1063/1.4955487] [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: 06/06/2023]
Abstract
The InfraRed Video Bolometer (IRVB) is a powerful tool to measure radiated power in magnetically confined plasmas due to its ability to obtain 2D images of plasma emission using a technique that is compatible with the fusion nuclear environment. A prototype IRVB has been developed and installed on NSTX-U to view the lower divertor. The IRVB is a pinhole camera which images radiation from the plasma onto a 2.5 μm thick, 9 × 7 cm2 Pt foil and monitors the resulting spatio-temporal temperature evolution using an IR camera. The power flux incident on the foil is calculated by solving the 2D+time heat diffusion equation, using the foil's calibrated thermal properties. An optimized, high frame rate IRVB, is quantitatively compared to results from a resistive bolometer on the bench using a modulated 405 nm laser beam with variable power density and square wave modulation from 0.2 Hz to 250 Hz. The design of the NSTX-U system and benchtop characterization are presented where signal-to-noise ratios are assessed using three different IR cameras: FLIR A655sc, FLIR A6751sc, and SBF-161. The sensitivity of the IRVB equipped with the SBF-161 camera is found to be high enough to measure radiation features in the NSTX-U lower divertor as estimated using SOLPS modeling. The optimized IRVB has a frame rate up to 50 Hz, high enough to distinguish radiation during edge-localized-modes (ELMs) from that between ELMs.
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Affiliation(s)
- G G van Eden
- Dutch Institute for Fundamental Energy Research, 5612 AJ Eindhoven, The Netherlands
| | - M L Reinke
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - B J Peterson
- National Institute for Fusion Science, Toki 509-5292, Japan
| | - T K Gray
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - L F Delgado-Aparicio
- Princeton Plasma Physics Laboratory, P.O. Box 451, Princeton, New Jersey 08543, USA
| | - M A Jaworski
- Princeton Plasma Physics Laboratory, P.O. Box 451, Princeton, New Jersey 08543, USA
| | - J Lore
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - K Mukai
- National Institute for Fusion Science, Toki 509-5292, Japan
| | - R Sano
- National Institutes for Quantum and Radiological Science and Technology, Naka 311-0193, Japan
| | - S N Pandya
- Institute for Plasma Research, Bhat Village, Gandhinagar, 382428 Gujarat, India
| | - T W Morgan
- Dutch Institute for Fundamental Energy Research, 5612 AJ Eindhoven, The Netherlands
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Peterson BJ, Sano R, Reinke ML, Canik JM, Delgado-Aparicio LF, Lore JD, Mukai K, Gray TK, van Eden GG, Jaworski MA. Preliminary design of a tangentially viewing imaging bolometer for NSTX-U. Rev Sci Instrum 2016; 87:11D410. [PMID: 27910451 DOI: 10.1063/1.4955278] [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: 06/06/2023]
Abstract
The infrared imaging video bolometer (IRVB) measures plasma radiated power images using a thin metal foil. Two different designs with a tangential view of NSTX-U are made assuming a 640 × 480 (1280 × 1024) pixel, 30 (105) fps, 50 (20) mK, IR camera imaging the 9 cm × 9 cm × 2 μm Pt foil. The foil is divided into 40 × 40 (64 × 64) IRVB channels. This gives a spatial resolution of 3.4 (2.2) cm on the machine mid-plane. The noise equivalent power density of the IRVB is given as 113 (46) μW/cm2 for a time resolution of 33 (20) ms. Synthetic images derived from Scrape Off Layer Plasma Simulation data using the IRVB geometry show peak signal levels ranging from ∼0.8 to ∼80 (∼0.36 to ∼26) mW/cm2.
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Affiliation(s)
- B J Peterson
- National Institute for Fusion Science, Toki 509-5292, Japan
| | - R Sano
- National Institutes for Quantum and Radiological Science and Technology, Naka, Ibaraki 311-0193, Japan
| | - M L Reinke
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - J M Canik
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | | | - J D Lore
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - K Mukai
- National Institute for Fusion Science, Toki 509-5292, Japan
| | - T K Gray
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - G G van Eden
- FOM Institute DIFFER, 5612 AJ Eindhoven, The Netherlands
| | - M A Jaworski
- Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543, USA
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Azuma YT, Hayashi S, Nishiyama K, Kita S, Mukai K, Nakajima H, Iwamoto T, Takeuchi T. Na(+) /Ca(2+) exchanger-heterozygote knockout mice display increased relaxation in gastric fundus and accelerated gastric transit in vivo. Neurogastroenterol Motil 2016; 28:827-36. [PMID: 26787195 DOI: 10.1111/nmo.12779] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [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: 08/21/2015] [Accepted: 12/25/2015] [Indexed: 01/31/2023]
Abstract
BACKGROUND For the contraction and relaxation of gastric smooth muscles to occur, the intracellular Ca(2+) concentration must be increased and decreased, respectively. The Na(+) /Ca(2+) exchanger (NCX) is a plasma membrane transporter that is involved in regulating intracellular Ca(2+) concentrations. METHODS To determine the role of NCX in gastrointestinal tissues, we examined electric field stimulation (EFS)-induced relaxations in the circular muscles of the gastric fundus in NCX1 and NCX2 heterozygote knockout mice (HET). KEY RESULTS The myenteric plexus layers and the longitudinal and circular muscle layers in the gastric fundus of wild-type mice (WT) were strongly immunoreactive to NCX1 and NCX2. EFS induced a transient relaxation that was apparent during the stimulus and a sustained relaxation that persisted after the end of the stimulus. The amplitudes of EFS-induced transient relaxation and sustained relaxation were greater in NCX1 HET and NCX2 HET than in WT. When an inhibitor of nitric oxide synthase was added following the EFS, neither NCX1 HET nor NCX2 HET exhibited transient relaxation, similar to WT. Furthermore, when a PACAP antagonist was added following the EFS, sustained relaxation in NCX1 HET and NCX2 HET was not observed, similar to WT. Next, we examined the effect of NCX heterozygous deficiency on relaxation in response to NO and PACAP in smooth muscles. The magnitude of NOR-1- and PACAP-induced relaxations in NCX1 HET and NCX2 HET was similar to that of WT. CONCLUSIONS & INFERENCES In this study, we demonstrate that NCX1 and NCX2 expressed in neurons regulate the motility in the gastric fundus.
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Affiliation(s)
- Y T Azuma
- Laboratory of Veterinary Pharmacology, Division of Veterinary Science, Osaka Prefecture University Graduate School of Life and Environmental Science, Osaka, Japan
| | - S Hayashi
- Laboratory of Veterinary Pharmacology, Division of Veterinary Science, Osaka Prefecture University Graduate School of Life and Environmental Science, Osaka, Japan
| | - K Nishiyama
- Laboratory of Veterinary Pharmacology, Division of Veterinary Science, Osaka Prefecture University Graduate School of Life and Environmental Science, Osaka, Japan
| | - S Kita
- Department of Pharmacology, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
| | - K Mukai
- Laboratory of Veterinary Pharmacology, Division of Veterinary Science, Osaka Prefecture University Graduate School of Life and Environmental Science, Osaka, Japan
| | - H Nakajima
- Laboratory of Veterinary Pharmacology, Division of Veterinary Science, Osaka Prefecture University Graduate School of Life and Environmental Science, Osaka, Japan
| | - T Iwamoto
- Department of Pharmacology, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
| | - T Takeuchi
- Laboratory of Veterinary Pharmacology, Division of Veterinary Science, Osaka Prefecture University Graduate School of Life and Environmental Science, Osaka, Japan
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Kikusato M, Nanto F, Mukai K, Toyomizu M. Effects of trehalose supplementation on the growth performance and intestinal innate immunity of juvenile chicks. Br Poult Sci 2016; 57:375-80. [PMID: 26986698 DOI: 10.1080/00071668.2016.1166475] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Trehalose is composed of two molecules of D-glucose joined by an α,α-1,1 glucosidic linkage and has antioxidative and anti-inflammatory effects. The present study investigated the effect of feeding a trehalose-supplemented diet on the growth performance, as well as the oxidative status and the intestinal innate immunity of juvenile chicks. A total of 16 d-old male broiler chicks were used in this study: two groups of 8 birds were fed on a 0% (control) or 0.5% trehalose-supplemented diet for 18 d. The mean body weight of the trehalose group was significantly greater than that of the control group, but feed efficiency was not altered by feeding the trehalose-supplemented diet. No differences in the levels of lipid peroxidation in skeletal muscle, liver and plasma were observed between the control and trehalose-supplemented groups. The mRNA levels of interferon-γ, tumour necrosis factor-like ligand 1A, interleukin-10, NADPH oxidase 4 and inducible NO synthase were significantly reduced by the trehalose supplementation. Our results suggest that dietary supplementation with trehalose after hatching may have beneficial effects on the growth performance of juvenile chicks, probably by improving their intestinal innate immunity.
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Affiliation(s)
- M Kikusato
- a Animal Nutrition, Life Sciences, Graduate School of Agricultural Science , Tohoku University , Sendai , Japan
| | - F Nanto
- a Animal Nutrition, Life Sciences, Graduate School of Agricultural Science , Tohoku University , Sendai , Japan
| | - K Mukai
- b Hayashibara Co. Ltd ., Okayama , Japan
| | - M Toyomizu
- a Animal Nutrition, Life Sciences, Graduate School of Agricultural Science , Tohoku University , Sendai , Japan
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Matsui Y, Sunatani Y, Hayashi N, Okino K, Okushi Y, Mukai K, Adachi H, Yamaya H, Iwabuchi K, Yokoyama H. DNA double-strand breaks induced intractable glomerular fibrosis in renal allografts. Clin Exp Nephrol 2015; 20:479-88. [PMID: 26440363 DOI: 10.1007/s10157-015-1174-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Accepted: 09/24/2015] [Indexed: 02/04/2023]
Abstract
BACKGROUNDS The relationship between DNA damage and glomerular fibrosis in renal allografts remains unclear. METHODS We examined renal allograft specimens from 35 patients in which DNA double-strand breaks (DSBs) and glomerular fibrosis were detected by phospho-histone H2A.X (γ-H2AX) expression and collagen (COL) types III, IV, and VI accumulation. We also examined the in vitro relationship between DNA damage and COL accumulation by mitomycin C (MMc)-induced DNA damage in human glomerular endothelial cells (HRGEc). RESULTS The γ-H2AX and COL type VI, which mainly accumulated in the subendothelial and mesangial regions, were positively correlated with the duration of the post-renal transplant (RT) period. In multiple regression analysis, the duration of the post-RT period and cg in the Banff '07 classification were identified as a significant predictor of COL type VI accumulation and γ-H2AX expression in the glomerular capillaries. In addition, the γ-H2AX-positive area was also identified as a predictor of glomerular accumulation of COL type VI. COL type VI was detected in the cytoplasm of the HRGEc, which was secreted into the supernatant after MMc stimulation with γ-H2AX expression. The number of γ-H2AX (-)/COL type VI (+) cells was inversely associated with the number of γ-H2AX (+)/COL type VI (-) cells during 24-h MMc treatment. CONCLUSIONS Our findings suggest that the long-term RT induces DSBs and HRGEc-secreted COL type VI accumulation in the glomerular capillaries, which might progress to intractable glomerular fibrosis.
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Affiliation(s)
- Yuki Matsui
- Department of Nephrology, School of Medicine, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Yumi Sunatani
- Department of Biochemistry I, School of Medicine, Kanazawa Medical University, Ishikawa, Japan
| | - Norifumi Hayashi
- Department of Nephrology, School of Medicine, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Kazuaki Okino
- Department of Nephrology, School of Medicine, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Yuki Okushi
- Department of Nephrology, School of Medicine, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Kiyotaka Mukai
- Department of Nephrology, School of Medicine, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Hiroki Adachi
- Department of Nephrology, School of Medicine, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Hideki Yamaya
- Department of Nephrology, School of Medicine, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Kuniyoshi Iwabuchi
- Department of Biochemistry I, School of Medicine, Kanazawa Medical University, Ishikawa, Japan
| | - Hitoshi Yokoyama
- Department of Nephrology, School of Medicine, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan.
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Mukai K, Peterson BJ, Pandya SN, Sano R. In situ calibration of an infrared imaging video bolometer in the Large Helical Device. Rev Sci Instrum 2014; 85:11E435. [PMID: 25430342 DOI: 10.1063/1.4896959] [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: 06/04/2023]
Abstract
The InfraRed imaging Video Bolometer (IRVB) is a powerful diagnostic to measure multi-dimensional radiation profiles in plasma fusion devices. In the Large Helical Device (LHD), four IRVBs have been installed with different fields of view to reconstruct three-dimensional profiles using a tomography technique. For the application of the measurement to plasma experiments using deuterium gas in LHD in the near future, the long-term effect of the neutron irradiation on the heat characteristics of an IRVB foil should be taken into account by regular in situ calibration measurements. Therefore, in this study, an in situ calibration system was designed.
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Affiliation(s)
- K Mukai
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki 509-5292, Japan
| | - B J Peterson
- National Institute for Fusion Science, 322-6 Oroshi-cho, Toki 509-5292, Japan
| | - S N Pandya
- The Graduate University for Advance Studies, 322-6 Oroshi-cho, Toki 509-5292, Japan
| | - R Sano
- The Graduate University for Advance Studies, 322-6 Oroshi-cho, Toki 509-5292, Japan
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Dekkers T, ter Meer M, Lenders JWM, Hermus ARM, Schultze Kool L, Langenhuijsen JF, Nishimoto K, Ogishima T, Mukai K, Azizan EAB, Tops B, Deinum J, Küsters B. Adrenal nodularity and somatic mutations in primary aldosteronism: one node is the culprit? J Clin Endocrinol Metab 2014; 99:E1341-51. [PMID: 24758183 DOI: 10.1210/jc.2013-4255] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
Abstract
CONTEXT Somatic mutations in genes that influence cell entry of calcium have been identified in aldosterone-producing adenomas (APAs) of adrenal cortex in primary aldosteronism (PA). Many adrenal glands removed for suspicion of APA do not contain a single adenoma but nodular hyperplasia. OBJECTIVE The objective of the study was to assess multinodularity and phenotypic and genotypic characteristics of adrenals removed because of the suspicion of APAs. DESIGN AND METHODS We assessed the adrenals of 53 PA patients for histopathological characteristics and immunohistochemistry for aldosterone (P450C18) and cortisol (P450C11) synthesis and for KCNJ5, ATP1A1, ATP2B3, and CACNA1D mutations in microdissected nodi. RESULTS Glands contained a solitary adenoma in 43% and nodular hyperplasia in 53% of cases. Most adrenal glands contained only one nodule positive for P450C18 expression, with all other nodules negative. KCNJ5 mutations were present in 22 of 53 adrenals (13 adenoma and nine multinodular adrenals). An ATP1A1 and a CACNA1D mutation were found in one multinodular gland each and an ATP2B3 mutation in five APA-containing glands. Mutations were always located in the P450C18-positive nodule. In one gland two nodules containing two different KCNJ5 mutations were present. Zona fasciculata-like cells were more typical for KCNJ5 mutation-containing nodules and zona glomerulosa-like cells for the other three genes. CONCLUSIONS Somatic mutations in KCNJ5, ATP1A1, or CACNA1D genes are not limited to APAs but are also found in the more frequent multinodular adrenals. In multinodular glands, only one nodule harbors a mutation. This suggests that the occurrence of a mutation and nodule formation are independent processes. The implications for clinical management remain to be determined.
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Affiliation(s)
- T Dekkers
- Departments of Internal Medicine (T.D., J.W.M.L., J.D.), Pathology (M.t.M., B.T., B.K.), Endocrinology (A.R.M.H.), Radiology (L.S.K.), and Urology (J.F.L.), Radboud University Medical Center, 6500 HB Nijmegen, The Netherlands; Departments of Urology (K.N.) and Biochemistry (K.M.), School of Medicine, Keio University, Tokyo 160-8582, Japan; Department of Chemistry (T.O.), Faculty of Sciences, Kyushu University, Fukuoka 812-8581, Japan; Clinical Pharmacology Unit (E.A.B.A.), Department of Medicine, University of Cambridge, Addenbrooke's Centre for Clinical Investigation, Cambridge DB2 2OO, United Kingdom; and Department of Pathology (B.K.), Maastricht University Medical Center, 6202 AZ Maastricht, The Netherlands
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Nakanishi T, Mukai K, Hosokawa Y, Takegawa D, Matsuo T. Catechins inhibit vascular endothelial growth factor production and cyclooxygenase-2 expression in human dental pulp cells. Int Endod J 2014; 48:277-82. [PMID: 24847951 DOI: 10.1111/iej.12312] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2013] [Accepted: 05/18/2014] [Indexed: 01/08/2023]
Abstract
AIM To investigate the effect of catechins on vascular endothelial growth factor (VEGF) production and cyclooxygenase-2 (COX-2) expression in human dental pulp cells (HDPC) stimulated with bacteria-derived factors or pro-inflammatory cytokines. METHODOLOGY Morphologically fibroblastic cells established from explant cultures of healthy human dental pulp tissues were used as HDPC. HDPC pre-treated with catechins, epigallocatechin-3-gallate (EGCG) or epicatechin gallate (ECG), were exposed to lipopolysaccharide (LPS), peptidoglycan (PG), interlukin-1β (IL-1β) or tumour necrosis factor-α (TNF-α). VEGF production was examined by enzyme-linked immunosorbent assay, and COX-2 expression was assessed by immunoblot. RESULTS EGCG and ECG significantly reduced LPS- or PG-mediated VEGF production in the HDPC in a dose-dependent manner. EGCG also prevented IL-1β-mediated VEGF production. Although TNF-α did not enhance VEGF production in the dental pulp cells, treatment of 20 μg mL(-1) of EGCG decreased the level of VEGF. In addition, the catechins attenuated COX-2 expression induced by LPS and IL-1β. CONCLUSIONS The up-regulated VEGF and COX-2 expressions in the HDPC stimulated with these bacteria-derived factors or IL-1β were diminished by the treatment of EGCG and ECG. These findings suggest that the catechins may be beneficial as an anti-inflammatory tool of the treatment for pulpal inflammation.
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Affiliation(s)
- T Nakanishi
- Department of Conservative Dentistry, Institute of Health Biosciences, The University of Tokushima Graduate School, Tokushima, Japan
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Takahashi T, Ohmura H, Mukai K, Matsui A, Aida H. Fatigue in the Superficial and Deep Digital Flexor Muscles During Exercise in Thoroughbred Horses. Equine Vet J 2014. [DOI: 10.1111/evj.12267_90] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- T Takahashi
- Equine Research Institute; Japan Racing Association; Utsunomiya Japan
| | - H Ohmura
- Equine Research Institute; Japan Racing Association; Utsunomiya Japan
| | - K Mukai
- Equine Research Institute; Japan Racing Association; Utsunomiya Japan
| | - A Matsui
- Equine Research Institute; Japan Racing Association; Utsunomiya Japan
| | - H Aida
- Equine Research Institute; Japan Racing Association; Utsunomiya Japan
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Ohmura H, Mukai K, Takahashi T, Aida H, Jones J. Cardiopulmonary Function in Thoroughbred Horses Running Uphill and Downhill on an Inclined Treadmill. Equine Vet J 2014. [DOI: 10.1111/evj.12267_75] [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: 11/30/2022]
Affiliation(s)
- H Ohmura
- Equine Research Institute; Japan Racing Association; Utsunomiya Tochigi Japan
| | - K Mukai
- Equine Research Institute; Japan Racing Association; Utsunomiya Tochigi Japan
| | - T Takahashi
- Equine Research Institute; Japan Racing Association; Utsunomiya Tochigi Japan
| | - H Aida
- Equine Research Institute; Japan Racing Association; Utsunomiya Tochigi Japan
| | - J Jones
- University of California; Davis CA United States
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Matsugi A, Uehara S, Kamata N, Mori N, Oku K, Mukai K, Nagano K. P694: Task dependency of long latency facilitatory effect on soleus H-reflex by cerebellar transcranial magnetic stimulation. Clin Neurophysiol 2014. [DOI: 10.1016/s1388-2457(14)50788-2] [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: 11/30/2022]
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Mukai K, Hiraga A, Takahashi T, Ohmura H, Jones JH. Effects of Different Exercise Intensities During Detraining on Aerobic Capacity in Thoroughbred Horses. Equine Vet J 2014. [DOI: 10.1111/evj.12267_21] [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: 11/28/2022]
Affiliation(s)
- K Mukai
- Equine Research Institute; Japan Racing Association; Utsunomiya Tochigi Japan
| | - A Hiraga
- Equine Research Institute; Japan Racing Association; Utsunomiya Tochigi Japan
| | - T Takahashi
- Equine Research Institute; Japan Racing Association; Utsunomiya Tochigi Japan
| | - H Ohmura
- Equine Research Institute; Japan Racing Association; Utsunomiya Tochigi Japan
| | - JH Jones
- University of California; Davis CA United States
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Friedlein R, Fleurence A, Aoyagi K, de Jong MP, Van Bui H, Wiggers FB, Yoshimoto S, Koitaya T, Shimizu S, Noritake H, Mukai K, Yoshinobu J, Yamada-Takamura Y. Core level excitations—A fingerprint of structural and electronic properties of epitaxial silicene. J Chem Phys 2014; 140:184704. [DOI: 10.1063/1.4875075] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Kimura Y, Koyanagi M, Koyanagi K, Mukai K, Naruhiko N, Sakai T, Tada S, Satoda Y, Inoue Y, Inoue A. MOTION ANALYSIS OF A SINGLE-LIMB SQUAT WITH ISOKINETIC RESISTANCE. Br J Sports Med 2014. [DOI: 10.1136/bjsports-2014-093494.162] [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: 11/03/2022]
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Mukai K, Koyanagi M, Kimura Y, Nakae N, Ogawa T, Yokotani Y, Shioki T, Notani M, Hirama T. THE EFFECTS OF FUNCTIONAL GARMENT ON THE JUMP LANDING TASK. Br J Sports Med 2014. [DOI: 10.1136/bjsports-2014-093494.219] [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: 11/03/2022]
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Herbst EAF, Paglialunga S, Gerling C, Whitfield J, Mukai K, Chabowski A, Heigenhauser GJF, Spriet LL, Holloway GP. Omega-3 supplementation alters mitochondrial membrane composition and respiration kinetics in human skeletal muscle. J Physiol 2014; 592:1341-52. [PMID: 24396061 DOI: 10.1113/jphysiol.2013.267336] [Citation(s) in RCA: 127] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Studies have shown increased incorporation of omega-3 fatty acids into whole skeletal muscle following supplementation, although little has been done to investigate the potential impact on the fatty acid composition of mitochondrial membranes and the functional consequences on mitochondrial bioenergetics. Therefore, we supplemented young healthy male subjects (n = 18) with fish oils [2 g eicosapentaenoic acid (EPA) and 1 g docosahexanoic acid (DHA) per day] for 12 weeks and skeletal muscle biopsies were taken prior to (Pre) and following (Post) supplementation for the analysis of mitochondrial membrane phospholipid composition and various assessments of mitochondrial bioenergetics. Total EPA and DHA content in mitochondrial membranes increased (P < 0.05) ∼450 and ∼320%, respectively, and displaced some omega-6 species in several phospholipid populations. Mitochondrial respiration, determined in permeabilized muscle fibres, demonstrated no change in maximal substrate-supported respiration, or in the sensitivity (apparent Km) and maximal capacity for pyruvate-supported respiration. In contrast, mitochondrial responses during ADP titrations demonstrated an enhanced ADP sensitivity (decreased apparent Km) that was independent of the creatine kinase shuttle. As the content of ANT1, ANT2, and subunits of the electron transport chain were unaltered by supplementation, these data suggest that prolonged omega-3 intake improves ADP kinetics in human skeletal muscle mitochondria through alterations in membrane structure and/or post-translational modification of ATP synthase and ANT isoforms. Omega-3 supplementation also increased the capacity for mitochondrial reactive oxygen species emission without altering the content of oxidative products, suggesting the absence of oxidative damage. The current data strongly emphasize a role for omega-3s in reorganizing the composition of mitochondrial membranes while promoting improvements in ADP sensitivity.
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Affiliation(s)
- E A F Herbst
- Human Health and Nutritional Sciences, University of Guelph, 491 Gordon St., Guelph, ON N1G 2W1, Canada.
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Ueda H, Hirao M, Tsukada Y, Kikuchi T, Sugiyama K, Kato Y, Mukai K, Watanabe K. Primary HER2-Positive Lacrimal SAC Cancer. Ann Oncol 2013. [DOI: 10.1093/annonc/mdt460.89] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Mizuno T, Fukuta S, Nakano Y, Mukai K, Takashima H, Amano T. The effect of long-term angiotensin receptor blocker administration on improvement in diastolic function in hypertensive patients with diastolic dysfunction. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht309.p3330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Reber LL, Marichal T, Mukai K, Roers A, Hartmann K, Karasuyama H, Nadeau KC, Tsai M, Galli SJ. Selective ablation of mast cells or basophils in mice reduces peanut-induced anaphylaxis. Clin Transl Allergy 2013. [PMCID: PMC3723587 DOI: 10.1186/2045-7022-3-s3-p82] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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