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Kaga C, Nagino T, Gomi A, Takagi A, Miyazaki K, Yoshida Y, Shida K. Effects of fermented soymilk with Lacticaseibacillus paracasei YIT 9029 on gut microbiota and defecation habits: a randomised, double-blind, placebo-controlled study. Benef Microbes 2024; 15:127-143. [PMID: 38412871 DOI: 10.1163/18762891-bja00003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 01/29/2024] [Indexed: 02/29/2024]
Abstract
Previous studies have demonstrated that soymilk and Lacticaseibacillus paracasei YIT 9029 (strain Shirota: LcS) each beneficially affect the gut microbiota and defecation habits. To investigate the effects of daily consumption of fermented soymilk containing LcS (FSM), we conducted a randomised, double-blind, placebo-controlled study of 112 healthy Japanese adults with a low faecal Bifidobacterium count. They consumed 100 ml FSM or placebo (unfermented soymilk base) once daily for 4 weeks. Their gut microbiota was analysed by 16S rRNA gene amplicon sequencing and quantitative reverse transcription-polymerase chain reaction (PCR), and faecal short-chain fatty acids (SCFAs) and urinary putrefactive products were assessed during the pre- and post-consumption periods. Defecation habits were examined weekly using a subjective questionnaire. In the post-consumption period, living LcS were not detected in two subjects in the FSM group (n = 57) but were detected in one subject in the SM group (n = 55). The FSM group had a significantly higher number and relative abundance of faecal lactobacilli compared with the placebo group. The relative abundance of Bifidobacterium, alpha-diversity of microbiota, and concentrations of acetate and total SCFAs in faeces were significantly increased in the FSM group, although no significant differences were detected between the groups. The number of defecations and defecation days per week significantly increased in both groups. Subgroup analysis of 109 subjects, excluding 3 with inconsistent LcS detection (2 and 1 subjects in the FSM and SM groups, respectively), revealed that the FSM group (n = 55) had significantly greater increases in faecal acetate concentration compared with the SM group (n = 54) and significant upregulation of pathways related to energy production or glucose metabolism in the gut microbiota. These findings suggest that daily FSM consumption improves the gut microbiota and intestinal environment in healthy adults and may help to maintain health and prevent diseases. Registered at the University Hospital Medical Information Network (UMIN) clinical trials registry under: UMIN 000035612.
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Affiliation(s)
- C Kaga
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - T Nagino
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - A Gomi
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - A Takagi
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - K Miyazaki
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - Y Yoshida
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - K Shida
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
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Nakagiri A, Hakotani A, Shino R, Miyazaki K, Endo N, Sotome K, Maekawa N. Taxonomic and life cycle reappraisals of the marine basidiomycete Nia vibrissa complex, with descriptions of three new Nia species. Mycologia 2024; 116:59-91. [PMID: 38109665 DOI: 10.1080/00275514.2023.2276028] [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: 06/15/2023] [Accepted: 10/24/2023] [Indexed: 12/20/2023]
Abstract
The marine basidiomycete Nia vibrissa has been regarded as a species complex, possibly including several species, because morphological variations in fruitbody, spore, and spore appendage have been observed in materials from worldwide collections. Using more than 50 monosporic isolates of N. vibrissa-like fungi mainly obtained from Japanese beach coasts, we investigated their molecular phylogeny, morphological characteristics, mating compatibility, nuclear behavior during spore formation, and life cycles. Molecular phylogenetic analyses separated the examined strains into seven clades. Each clade of fungi exhibited distinctive characteristics in fruitbodies and spores produced by culturing monokaryotic strains and mated dikaryotic strains; these characteristics included the color of fruitbodies, apical structure of peridial hair hyphae, spore shape, and apical structure of spore appendages. Mating tests of monokaryotic strains demonstrated mating compatibility between strains within a clade and incompatibility among clades. Therefore, each clade of fungi was phylogenetically, morphologically, and biologically recognized as a different Nia species. Observation of the type specimen of N. vibrissa revealed a tiny T-shaped apical structure of spore appendages-not mentioned in the original description-that is unique to the species. This finding, together with the original description, suggests that our studied strains include N. aff. vibrissa, whose morphology is mostly identical to N. vibrissa sensu stricto, and three new species. Thus, we describe three new Nia species and propose emendation of the descriptions of the genus Nia. Culture-based studies have demonstrated that Nia species have both sexual and asexual morphs that produce morphologically similar fruitbodies (basidiomata and conidiomata) and spores (basidiospores and conidia). Because it has both morphs forming appendaged waterborne basidiospores and conidia, Nia must be the most well-adapted marine basidiomycete, ensuring the continuation of new generations by two morphs, while distributing in and inhabiting numerous marine environments.
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Affiliation(s)
- A Nakagiri
- Fungus/Mushroom Resource and Research Center, Faculty of Agriculture, Tottori University, 4-101 Koyama-Minami, Tottori, 680-8553, Japan
| | - A Hakotani
- Graduate School of Sustainability Science, Department of Agricultural Sciences, Tottori University, 4-101 Koyama-Minami, Tottori, 680-8553, Japan
| | - R Shino
- The United Graduate School of Agricultural Sciences, Tottori University, 4-101 Koyama-Minami, Tottori, 680-8553, Japan
| | - K Miyazaki
- Graduate School of Sustainability Science, Department of Agricultural Sciences, Tottori University, 4-101 Koyama-Minami, Tottori, 680-8553, Japan
| | - N Endo
- Fungus/Mushroom Resource and Research Center, Faculty of Agriculture, Tottori University, 4-101 Koyama-Minami, Tottori, 680-8553, Japan
| | - K Sotome
- Fungus/Mushroom Resource and Research Center, Faculty of Agriculture, Tottori University, 4-101 Koyama-Minami, Tottori, 680-8553, Japan
| | - N Maekawa
- Fungus/Mushroom Resource and Research Center, Faculty of Agriculture, Tottori University, 4-101 Koyama-Minami, Tottori, 680-8553, Japan
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Kubo T, Miyazaki K, Shibuya M, Sugihara E, Nakata M, Okuno Y. Intra-Arterial Injection of Temporary Embolic Material Through a Needle Inserted into the Radial or Ulnar Artery for Distal and Proximal Interphalangeal Joint Osteoarthritis: A Retrospective Study of 92 Patients. Cardiovasc Intervent Radiol 2023; 46:1375-1382. [PMID: 37524895 DOI: 10.1007/s00270-023-03514-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 07/06/2023] [Indexed: 08/02/2023]
Abstract
PURPOSE To assess the efficacy and safety of intra-arterial injection of imipenem/cilastatin sodium (IPM/CS) via a needle placed into the radial artery or ulnar artery (RA/UA) for distal interphalangeal and proximal interphalangeal joint osteoarthritis (DIP/PIP-OA). MATERIALS AND METHODS This is a retrospective single-arm cohort study. Ninety-two patients [92% women, mean (SD) age 55(8.3) years] with a primary DIP/PIP-OA meet the American College of Rheumatology criteria for hand osteoarthritis with pain ≥ 4 on the 0-10 numeric rating scale (NRS) were enrolled. All procedures were performed by injecting IPM/CS through a 24-gauge needle percutaneously inserted into the RA/UA. Two procedures were planned; the second procedure was scheduled 1-2 months after the first. NRS, Quick Disabilities of the Arm, Shoulder, and Hand (QuickDASH) score, Patient Global Impression of Change (PGIC) scale, and procedure-related adverse events were evaluated. RESULTS Technical success, defined as injection of IPM/CS into the RA/UA, was achieved in all patients. Clinical success, defined as a reduction of 2 points or more in the NRS at 12 months, was 77% (95% confidence interval 68-85%). The NRS improved from the baseline to 3, 6, and 12 months (7.8 ± 1.6 vs. 3.8 ± 2.6, 3.9 ± 2.7, and 4.0 ± 2.8, respectively, all p < 0.001). The QuickDASH score improved from the baseline to 12 months (27 ± 15 vs. 19 ± 17, p < 0.001) respectively. No major adverse events were observed. CONCLUSIONS Intra-arterial injection of IPM/CS is a feasible treatment option for DIP/PIP-OA.
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Affiliation(s)
- Takatoshi Kubo
- Department of Radiology, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
- Musculoskeletal Intervention Center, Okuno Clinic Tokyo, 4th Fl Ginrei Bldg., 7-8-4, Roppongi, Minato-ku, Tokyo, 106-0032, Japan
| | - Koichi Miyazaki
- Musculoskeletal Intervention Center, Okuno Clinic Osaka, 3rd Fl Shinsaibashi Front Bldg., 3-5-11, Minamifunaba, Chuo-ku, Osaka City, Osaka, 542-0081, Japan
| | - Masahiko Shibuya
- Musculoskeletal Intervention Center, Okuno Clinic Kobe, B1 Fl, 1-2-1, Sannomiyacho, Chuo-ku, Kobe City, Hyogo, 650-0021, Japan
| | - Eiji Sugihara
- Musculoskeletal Intervention Center, Okuno Clinic Tokyo, 4th Fl Ginrei Bldg., 7-8-4, Roppongi, Minato-ku, Tokyo, 106-0032, Japan
| | - Masaya Nakata
- Musculoskeletal Intervention Center, Okuno Clinic Tokyo, 4th Fl Ginrei Bldg., 7-8-4, Roppongi, Minato-ku, Tokyo, 106-0032, Japan
| | - Yuji Okuno
- Musculoskeletal Intervention Center, Okuno Clinic Tokyo, 4th Fl Ginrei Bldg., 7-8-4, Roppongi, Minato-ku, Tokyo, 106-0032, Japan.
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Miyazaki K, Ananth N. Nonadiabatic simulations of photoisomerization and dissociation in ethylene using ab initio classical trajectories. J Chem Phys 2023; 159:124110. [PMID: 38127384 DOI: 10.1063/5.0163371] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 09/05/2023] [Indexed: 12/23/2023] Open
Abstract
We simulate the nonadiabatic dynamics of photo-induced isomerization and dissociation in ethylene using ab initio classical trajectories in an extended phase space of nuclear and electronic variables. This is achieved by employing the linearized semiclassical initial value representation method for nonadiabatic dynamics, where discrete electronic states are mapped to continuous classical variables using either the Meyer-Miller-Stock-Thoss representation or a more recently introduced spin mapping approach. Trajectory initial conditions are sampled by constraining electronic state variables to a single initial excited state and by drawing nuclear phase space configurations from a Wigner distribution at a finite temperature. An ensemble of classical ab initio trajectories is then generated to compute thermal population correlation functions and analyze the mechanisms of isomerization and dissociation. Our results serve as a demonstration that this parameter-free semiclassical approach is computationally efficient and accurate, identifying mechanistic pathways in agreement with previous theoretical studies and also uncovering dissociation pathways observed experimentally.
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Affiliation(s)
- K Miyazaki
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, USA
| | - N Ananth
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, USA
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Maeda Y, Kobashi K, Sato Y, Tamamura H, Yamamoto K, Matsushita K, Sasaki M, Tatebe H, Asahi T, Matsumoto S, Takamatsu S, Miyazaki K, Fujimoto R, Uchinami Y, Kato N, Aoyama H. Effectiveness of CT-image guidance in proton therapy for liver cancer and the importance of daily dose monitoring for tumors and organs at risk. Med Phys 2023. [PMID: 37099416 DOI: 10.1002/mp.16433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 03/29/2023] [Accepted: 04/12/2023] [Indexed: 04/27/2023] Open
Abstract
BACKGROUND It is important to have precise image guidance throughout proton therapy in order to take advantage of the therapy's physical selectivity. PURPOSE We evaluated the effectiveness of computed tomography (CT)-image guidance in proton therapy for patients with hepatocellular carcinoma (HCC) by assessing daily proton dose distributions. The importance of daily CT image-guided registration and daily proton dose monitoring for tumors and organs at risk (OARs) was investigated. METHODS A retrospective analysis was conducted using 570 sets of daily CT (dCT) images throughout whole treatment fractions for 38 HCC patients who underwent passive scattering proton therapy with either a 66 cobalt gray equivalent (GyE)/10 fractions (n = 19) or 76 GyE/20 fractions (n = 19) protocol. The actual daily delivered dose distributions were estimated by forward calculation using the dCT sets, their corresponding treatment plans, and the recorded daily couch correction information. We then evaluated the daily changes of the dose indices D99% , V30GyE , and Dmax for the tumor volumes, non-tumorous liver, and other OARs, that is, stomach, esophagus, duodenum, colon, respectively. Contours were created for all dCT sets. We validated the efficacy of the dCT-based tumor registrations (hereafter, "tumor registration") by comparing them with the bone registration and diaphragm registration as a simulation of the treatment based on the positioning using the conventional kV X-ray imaging. The dose distributions and the indices of three registrations were obtained by simulation using the same dCT sets. RESULTS In the 66 GyE/10 fractions, the daily D99% value in both the tumor and diaphragm registrations agreed with the planned value with 3%-6% (SD), and the V30GyE value for the liver agreed within ±3%; the indices in the bone registration showed greater deterioration. Nevertheless, tumor-dose deterioration occurred in all registration methods for two cases due to daily changes of body shape and respiratory condition. In the 76 GyE/20 fractions, in particular for such a treatment that the dose constraints for the OARs have to be cared in the original planning, the daily D99% in the tumor registration was superior to that in the other registration (p < 0.001), indicating the effectiveness of the tumor registration. The dose constraints, set in the plan as the maximum dose for OARs (i.e., duodenum, stomach, colon, and esophagus) were maintained for 16 patients including seven treated with re-planning. For three patients, the daily Dmax increased gradually or changed randomly, resulting in an inter-fractional averaged Dmax higher than the constraints. The dose distribution would have been improved if re-planning had been conducted. The results of these retrospective analyses indicate the importance of daily dose monitoring followed by adaptive re-planning when needed. CONCLUSIONS The tumor registration in proton treatment for HCC was effective to maintain the daily dose to the tumor and the dose constraints of OARs, particularly in the treatment where the maintenance for the dose constraints needs to be considered throughout the treatment. Nevertheless daily proton dose monitoring with daily CT imaging is important for more reliable and safer treatment.
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Affiliation(s)
- Yoshikazu Maeda
- Proton Therapy Center, Fukui Prefectural Hospital, Fukui, Japan
| | - Keiji Kobashi
- Global Center for Biomedical Science and Engineering, Faculty of Medicine, Hokkaido University, Sapporo, Japan
- Hitachi Ltd, Tokyo, Japan
| | - Yoshitaka Sato
- Proton Therapy Center, Fukui Prefectural Hospital, Fukui, Japan
| | | | | | | | - Makoto Sasaki
- Proton Therapy Center, Fukui Prefectural Hospital, Fukui, Japan
| | - Hiroto Tatebe
- Proton Therapy Center, Fukui Prefectural Hospital, Fukui, Japan
| | - Tomoko Asahi
- Proton Therapy Center, Fukui Prefectural Hospital, Fukui, Japan
| | - Sae Matsumoto
- Proton Therapy Center, Fukui Prefectural Hospital, Fukui, Japan
| | | | | | | | - Yusuke Uchinami
- Department of Radiation Oncology, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Norio Kato
- Department of Radiation Oncology, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Hidefumi Aoyama
- Global Center for Biomedical Science and Engineering, Faculty of Medicine, Hokkaido University, Sapporo, Japan
- Department of Radiation Oncology, Faculty of Medicine, Hokkaido University, Sapporo, Japan
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Asano S, Oseki K, Takao S, Miyazaki K, Yokokawa K, Matsuura T, Taguchi H, Katoh N, Aoyama H, Umegaki K, Miyamoto N. Technical note: Performance evaluation of volumetric imaging based on motion modeling by principal component analysis. Med Phys 2023; 50:993-999. [PMID: 36427355 DOI: 10.1002/mp.16123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 10/17/2022] [Accepted: 11/20/2022] [Indexed: 11/27/2022] Open
Abstract
PURPOSE To quantitatively evaluate the achievable performance of volumetric imaging based on lung motion modeling by principal component analysis (PCA). METHODS In volumetric imaging based on PCA, internal deformation was represented as a linear combination of the eigenvectors derived by PCA of the deformation vector fields evaluated from patient-specific four-dimensional-computed tomography (4DCT) datasets. The volumetric image was synthesized by warping the reference CT image with a deformation vector field which was evaluated using optimal principal component coefficients (PCs). Larger PCs were hypothesized to reproduce deformations larger than those included in the original 4DCT dataset. To evaluate the reproducibility of PCA-reconstructed volumetric images synthesized to be close to the ground truth as possible, mean absolute error (MAE), structure similarity index measure (SSIM) and discrepancy of diaphragm position were evaluated using 22 4DCT datasets of nine patients. RESULTS Mean MAE and SSIM values for the PCA-reconstructed volumetric images were approximately 80 HU and 0.88, respectively, regardless of the respiratory phase. In most test cases including the data of which motion range was exceeding that of the modeling data, the positional error of diaphragm was less than 5 mm. The results suggested that large deformations not included in the modeling 4DCT dataset could be reproduced. Furthermore, since the first PC correlated with the displacement of the diaphragm position, the first eigenvector became the dominant factor representing the respiration-associated deformations. However, other PCs did not necessarily change with the same trend as the first PC, and no correlation was observed between the coefficients. Hence, randomly allocating or sampling these PCs in expanded ranges may be applicable to reasonably generate an augmented dataset with various deformations. CONCLUSIONS Reasonable accuracy of image synthesis comparable to those in the previous research were shown by using clinical data. These results indicate the potential of PCA-based volumetric imaging for clinical applications.
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Affiliation(s)
- Suzuka Asano
- Graduate School of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Keishi Oseki
- Graduate School of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Seishin Takao
- Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Hokkaido, Japan
| | - Koichi Miyazaki
- Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Hokkaido, Japan
| | - Kohei Yokokawa
- Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Hokkaido, Japan
| | - Taeko Matsuura
- Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Hokkaido, Japan
| | - Hiroshi Taguchi
- Department of Radiation Oncology, Hokkaido University Hospital, Sapporo, Hokkaido, Japan
| | - Norio Katoh
- Faculty of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Hidefumi Aoyama
- Faculty of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Kikuo Umegaki
- Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Hokkaido, Japan
| | - Naoki Miyamoto
- Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Hokkaido, Japan
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Miyazaki K, Fujii Y, Yamada T, Kanehira T, Miyamoto N, Matsuura T, Yasuda K, Uchinami Y, Otsuka M, Aoyama H, Takao S. Deformed dose restoration to account for tumor deformation and position changes for adaptive proton therapy. Med Phys 2023; 50:675-687. [PMID: 36502527 DOI: 10.1002/mp.16149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 11/10/2022] [Accepted: 11/25/2022] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Online adaptation during intensity-modulated proton therapy (IMPT) can minimize the effect of inter-fractional anatomical changes, but remains challenging because of the complex workflow. One approach for fast and automated online IMPT adaptation is dose restoration, which restores the initial dose distribution on the updated anatomy. However, this method may fail in cases where tumor deformation or position changes occur. PURPOSE To develop a fast and robust IMPT online adaptation method named "deformed dose restoration (DDR)" that can adjust for inter-fractional tumor deformation and position changes. METHODS The DDR method comprises two steps: (1) calculation of the deformed dose distribution, and (2) restoration of the deformed dose distribution. First, the deformable image registration (DIR) between the initial clinical target volume (CTV) and the new CTV were performed to calculate the vector field. To ensure robustness for setup and range uncertainty and the ability to restore the deformed dose distribution, an expanded CTV-based registration to maintain the dose gradient outside the CTV was developed. The deformed dose distribution was obtained by applying the vector field to the initial dose distribution. Then, the voxel-by-voxel dose difference optimization was performed to calculate beam parameters that restore the deformed dose distribution on the updated anatomy. The optimization function was the sum of total dose differences and dose differences of each field to restore the initial dose overlap of each field. This method only requires target contouring, which eliminates the need for organs at risk (OARs) contouring. Six clinical cases wherein the tumor deformation and/or position changed on repeated CTs were selected. DDR feasibility was evaluated by comparing the results with those from three other strategies, namely, not adapted (continuing the initial plan), adapted by previous dose restoration, and fully optimized. RESULTS In all cases, continuing the initial plan was largely distorted on the repeated CTs and the dose-volume histogram (DVH) metrics for the target were reduced due to the tumor deformation or position changes. On the other hand, DDR improved DVH metrics for the target to the same level as the initial dose distribution. Dose increase was seen for some OARs because tumor growth had reduced the relative distance between CTVs and OARs. Robustness evaluation for setup and range uncertainty (3 mm/3.5%) showed that deviation in DVH-bandwidth for CTV D95% from the initial plan was 0.4% ± 0.5% (Mean ± S.D.) for DDR. The calculation time was 8.1 ± 6.4 min. CONCLUSIONS An online adaptation algorithm was developed that improved the treatment quality for inter-fractional anatomical changes and retained robustness for intra-fractional setup and range uncertainty. The main advantage of this method is that it only requires target contouring alone and saves the time for OARs contouring. The fast and robust adaptation method for tumor deformation and position changes described here can reduce the need for offline adaptation and improve treatment efficiency.
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Affiliation(s)
- Koichi Miyazaki
- Graduate School of Biomedical Science and Engineering, Hokkaido University, Sapporo, Hokkaido, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Hokkaido, Japan.,Research and Development Group, Hitachi Ltd, Hitachi, Ibaraki, Japan
| | - Yusuke Fujii
- Research and Development Group, Hitachi Ltd, Hitachi, Ibaraki, Japan
| | - Takahiro Yamada
- Research and Development Group, Hitachi Ltd, Hitachi, Ibaraki, Japan
| | - Takahiro Kanehira
- Department of Medical Physics, Hokkaido University Hospital, Sapporo, Hokkaido, Japan
| | - Naoki Miyamoto
- Department of Medical Physics, Hokkaido University Hospital, Sapporo, Hokkaido, Japan.,Division of Quantum Science and Engineering, Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Taeko Matsuura
- Department of Medical Physics, Hokkaido University Hospital, Sapporo, Hokkaido, Japan.,Division of Quantum Science and Engineering, Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Koichi Yasuda
- Department of Radiation Oncology, Faculty of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Yusuke Uchinami
- Department of Radiation Oncology, Faculty of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Manami Otsuka
- Department of Radiation Oncology, Faculty of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Hidefumi Aoyama
- Department of Radiation Oncology, Faculty of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Seishin Takao
- Department of Medical Physics, Hokkaido University Hospital, Sapporo, Hokkaido, Japan.,Division of Quantum Science and Engineering, Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan.,Global Center for Biomedical Science and Engineering, Faculty of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
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Sueyasu S, Takayanagi T, Miyazaki K, Kuriyama Y, Ishi Y, Uesugi T, Unlu MB, Kudo N, Chen Y, Kasamatsu K, Fujii M, Kobayashi M, Rohringer W, Matsuura T. Ionoacoustic application of an optical hydrophone to detect proton beam range in water. Med Phys 2022; 50:2438-2449. [PMID: 36565440 DOI: 10.1002/mp.16189] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 11/22/2022] [Accepted: 12/14/2022] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Proton range uncertainty has been the main factor limiting the ability of proton therapy to concentrate doses to tumors to their full potential. Ionoacoustic (IA) range verification is an approach to reducing this uncertainty by detecting thermoacoustic waves emitted from an irradiated volume immediately following a pulsed proton beam delivery; however, the signal weakness has been an obstacle to its clinical application. To increase the signal-to-noise ratio (SNR) with the conventional piezoelectric hydrophone (PH), the detector-sensitive volume needs to be large, but it could narrow the range of available beam angles and disturb real-time images obtained during beam delivery. PURPOSE To prevent this issue, we investigated a millimeter-sized optical hydrophone (OH) that exploits the laser interferometric principle. For two types of IA waves [γ-wave emitted from the Bragg peak (BP) and a spherical IA wave with resonant frequency (SPIRE) emitted from the gold fiducial marker (GM)], comparisons were made with PH in terms of waveforms, SNR, range detection accuracy, and signal intensity robustness against the small detector misalignment, particularly for SPIRE. METHODS A 100-MeV proton beam with a 27 ns pulse width and 4 mm beam size was produced using a fixed-field alternating gradient accelerator and was irradiated to the water phantom. The GM was set on the beam's central axis. Acrylic plates of various thicknesses, up to 12 mm, were set in front of the phantoms to shift the proton range. OH was set distal and lateral to the beam, and the range was estimated using the time-of-flight method for γ-wave and by comparing with the calibration data (SPIRE intensity versus the distance between the GM and BP) derived from an IA wave transport simulation for SPIRE. The BP dose per pulse was 0.5-0.6 Gy. To measure the variation in SPIRE amplitude against the hydrophone misalignment, the hydrophone was shifted by ± 2 mm at a maximum in lateral directions. RESULTS Despite its small size, OH could detect γ-wave with a higher SNR than the conventional PH (diameter, 29 mm), and a single measurement was sufficient to detect the beam range with a submillimeter accuracy in water. In the SPIRE measurement, OH was far more robust against the detector misalignment than the focused PH (FPH) used in our previous study [5%/mm (OH) versus 80%/mm (FPH)], and the correlation between the measured SPIRE intensity and the distance between the GM and BP agreed well with the simulation results. However, the OH sensitivity was lower than the FPH sensitivity, and about 5.6-Gy dose was required to decrease the intensity variation among measurements to less than 10%. CONCLUSION The miniature OH was found to detect weak IA signals produced by proton beams with a BP dose used in hypofractionated regimens. The OH sensitivity improvement at the MHz regime is worth exploring as the next step.
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Affiliation(s)
- Shota Sueyasu
- Graduate School of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Taisuke Takayanagi
- Hitachi Ltd, Research and Development Group, Center for Technology Innovation-Energy, Hitachi-shi, Ibaraki, Japan
| | - Koichi Miyazaki
- Hitachi Ltd, Research and Development Group, Center for Technology Innovation-Energy, Hitachi-shi, Ibaraki, Japan
| | - Yasutoshi Kuriyama
- Institute for Integrated Radiation and Nuclear Science, Kyoto University, Osaka, Japan
| | - Yoshihiro Ishi
- Institute for Integrated Radiation and Nuclear Science, Kyoto University, Osaka, Japan
| | - Tomonori Uesugi
- Institute for Integrated Radiation and Nuclear Science, Kyoto University, Osaka, Japan
| | - Mehmet Burcin Unlu
- Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan.,Department of Physics, Bogazici University, Bebek, Istanbul, Turkey
| | - Nobuki Kudo
- Faculty of Information Science and Technology, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Ye Chen
- Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Koki Kasamatsu
- Graduate School of Biomedical Science and Engineering, Hokkaido University, Sapporo, Hokkaido, Japan
| | | | - Masanori Kobayashi
- Planetary Exploration Research Institute, Chiba Institute of Technology, Narashino, Chiba, Japan
| | | | - Taeko Matsuura
- Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan.,Proton Beam Therapy Center, Hokkaido University Hospital, Sapporo, Hokkaido, Japan
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9
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Kasamatsu K, Matsuura T, Yasuda K, Miyazaki K, Takao S, Tamura M, Otsuka M, Uchinami Y, Aoyama H. Hyperfractionated intensity-modulated proton therapy for pharyngeal cancer with variable relative biological effectiveness: A simulation study. Med Phys 2022; 49:7815-7825. [PMID: 36300598 DOI: 10.1002/mp.16064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 10/06/2022] [Accepted: 10/07/2022] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND The relative biological effectiveness (RBE) of proton is considered to be dependent on biological parameters and fractional dose. While hyperfractionated photon therapy was effective in the treatment of patients with head and neck cancers, its effect in intensity-modulated proton therapy (IMPT) under the variable RBE has not been investigated in detail. PURPOSE To study the effect of variable RBE on hyperfractionated IMPT for the treatment of pharyngeal cancer. We investigated the biologically effective dose (BED) to determine the theoretical effective hyperfractionated schedule. METHODS The treatment plans of three pharyngeal cancer patients were used to define the ΔBED for the clinical target volume (CTV) and soft tissue (acute and late reaction) as the difference between the BED for the altered schedule with variable RBE and conventional schedule with constant RBE. The ΔBED with several combinations of parameters (treatment days, number of fractions, and prescribed dose) was comprehensively calculated. Of the candidate schedules, the one that commonly gave a higher ΔBED for CTV was selected as the resultant schedule. The BED volume histogram was used to compare the influence of variable RBE and fractionation. RESULTS In the conventional schedule, compared with the constant RBE, the variable RBE resulted in a mean 2.6 and 2.7 Gy reduction of BEDmean for the CTV and soft tissue (acute reaction) of the three plans, respectively. Moreover, the BEDmean for soft tissue (late reaction) increased by 7.4 Gy, indicating a potential risk of increased RBE. Comprehensive calculation of the ΔBED resulted in the hyperfractionated schedule of 80.52 Gy (RBE = 1.1)/66 fractions in 6.5 weeks. When variable RBE was used, compared with the conventional schedule, the hyperfractionated schedule increased the BEDmean for CTV by 7.6 Gy; however, this was associated with a 7.8 Gy increase for soft tissue (acute reaction). The BEDmean for soft tissue (late reaction) decreased by 2.4 Gy. CONCLUSION The results indicated a potential effect of the variable RBE on IMPT for pharyngeal cancer but with the possibility that hyperfractionation could outweigh this effect. Although biological uncertainties require conservative use of the resultant schedule, hyperfractionation is expected to be an effective strategy in IMPT for pharyngeal cancer.
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Affiliation(s)
- Koki Kasamatsu
- Graduate School of Biomedical Science and Engineering, Hokkaido University, Sapporo, Japan
| | - Taeko Matsuura
- Faculty of Engineering, Hokkaido University, Sapporo, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Japan.,Proton Beam Therapy Center, Hokkaido University Hospital, Sapporo, Japan
| | - Koichi Yasuda
- Department of Radiation Oncology, Faculty and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Koichi Miyazaki
- Faculty of Engineering, Hokkaido University, Sapporo, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Japan.,Research and Development Group, Hitachi, Ltd., Hitachi-shi, Japan
| | - Seishin Takao
- Faculty of Engineering, Hokkaido University, Sapporo, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Japan.,Proton Beam Therapy Center, Hokkaido University Hospital, Sapporo, Japan
| | - Masaya Tamura
- Department of Medical Physics, Hokkaido University Hospital, Sapporo, Japan
| | - Manami Otsuka
- Department of Radiation Oncology, Faculty and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Yusuke Uchinami
- Department of Radiation Oncology, Faculty and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Hidefumi Aoyama
- Department of Radiation Oncology, Faculty and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
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10
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Ohno H, Mano S, Katagiri N, Oguri R, Miyazaki K, Ito K, Sekiya Y, Inoue K, Masuda A, Tsuzuku A, Asano F, Hirashita T, Hayashi T. Influence of using history of immune checkpoint inhibitor therapy for neutropenia caused by combination therapy of ramucirumab and docetaxel. Pharmazie 2022; 77:248-254. [PMID: 36199179 DOI: 10.1691/ph.2022.2403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Recently, pretreatment with immune checkpoint inhibitors (ICIs) has been shown to enhance the therapeutic effects of the combination therapy of ramucirumab (RAM) and docetaxel (DTX); however, its influence on the drug's side effects remains unclear. This study investigated the influence of pretreatment with ICIs on the incidence of neutropenia caused by RAM + DTX therapy in patients with non-small cell lung cancer (NSCLC). Patients with NSCLC who received RAM + DTX therapy at Gifu Prefectural General Medical Center between April 2016 and December 2020 were enrolled. Retrospective data regarding age, sex, performance status and detailed treatment history, among others, at treatment initiation were collected from the patients' electronic medical records. Additionally, data on the course number of RAM + DTX therapy, supportive therapy and blood biochemical parameters, including leukocyte and neutrocyte counts, during the treatment period were collected. We identified 41 patients receiving RAM + DTX therapy. Among the more than grade 3 adverse events caused by this therapy, neutropenia was the most common (78.1%). Despite the fact that all previous risk factors influencing this incidence rate had corresponded, the only factor influencing the incidence rate of neutropenia more than grade 3 was ICI treatment history. A difference in the incidence of neutropenia more than grade 3 in the Kaplan-Meier curve was observed between patients with and without ICI pretreatment history (p = 0.037). The pretreatment history of ICI therapy affects the incidence of neutropenia caused by RAM + DTX therapy in patients with NSCLC.
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Affiliation(s)
- H Ohno
- Department of Pharmacy, Gifu Prefectural General Medical Center, Gifu, Japan
| | - S Mano
- Department of Pharmacy, Gifu Prefectural General Medical Center, Gifu, Japan
| | - N Katagiri
- College of Pharmacy, Kinjo Gakuin University, Nagoya, Japan
| | - R Oguri
- Department of Pharmacy, Gifu Prefectural General Medical Center, Gifu, Japan
| | - K Miyazaki
- Department of Pharmacy, Gifu Prefectural General Medical Center, Gifu, Japan
| | - K Ito
- Department of Pharmacy, Gifu Prefectural General Medical Center, Gifu, Japan
| | - Y Sekiya
- Department of Pharmacy, Gifu Prefectural General Medical Center, Gifu, Japan
| | - K Inoue
- Department of Pharmacy, Gifu Prefectural General Medical Center, Gifu, Japan
| | - A Masuda
- Department of Pulmonary Medicine, Gifu Prefectural General Medical Center, Gifu, Japan
| | - A Tsuzuku
- Department of Pulmonary Medicine, Gifu Prefectural General Medical Center, Gifu, Japan
| | - F Asano
- Department of Pulmonary Medicine, Gifu Prefectural General Medical Center, Gifu, Japan
| | - T Hirashita
- Department of Pharmacy, Gifu Prefectural General Medical Center, Gifu, Japan
| | - T Hayashi
- College of Pharmacy, Kinjo Gakuin University, Nagoya, Japan;,
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11
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Tsujimoto R, Yurube T, Takeoka Y, Kanda Y, Miyazaki K, Ohnishi H, Kakiuchi Y, Miyazaki S, Zhang Z, Takada T, Kuroda R, Kakutani K. Involvement of autophagy in the maintenance of rat intervertebral disc homeostasis: an in-vitro and in-vivo RNA interference study of Atg5. Osteoarthritis Cartilage 2022; 30:481-493. [PMID: 34958937 DOI: 10.1016/j.joca.2021.12.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 12/13/2021] [Accepted: 12/19/2021] [Indexed: 02/02/2023]
Abstract
OBJECTIVE In the largest avascular low-nutrient intervertebral disc, resident cells would utilize autophagy, a stress-response survival mechanism by self-digestion and recycling wastes. Our goal was to elucidate the involvement of autophagy in disc homeostasis through RNA interference of autophagy-related gene 5 (Atg5). DESIGN In vitro, small interfering RNAs (siRNAs) targeting autophagy-essential Atg5 were transfected into rat disc cells. Cell viability with levels of autophagy including Atg5 expression, apoptosis, and senescence was assessed under serum starvation and/or pro-inflammatory interleukin-1 beta (IL-1β) stimulation. In vivo, time-course autophagic flux was monitored following Alexa Fluor® 555-labeled Atg5-siRNA injection into rat tail discs. Furthermore, 24-h temporary static compression-induced disruption of Atg5 siRNA-injected discs was observed by radiography, histomorphology, and immunofluorescence. RESULTS In disc cells, three different Atg5 siRNAs consistently suppressed autophagy with Atg5 protein knockdown (mean 44.4% [95% confidence interval: -51.7, -37.1], 51.5% [-80.5, -22.5], 62.3% [-96.6, -28.2]). Then, Atg5 knockdown reduced cell viability through apoptosis and senescence not in serum-supplemented medium (93.6% [-0.8, 21.4]) but in serum-deprived medium (66.4% [-29.8, -8.6]) further with IL-1β (44.5% [-36.9, -23.5]). In disc tissues, immunofluorescence detected intradiscal signals for the labeled siRNA even at 56-d post-injection. Immunoblotting found 56-d autophagy suppression with prolonged Atg5 knockdown (33.2% [-52.8, -5.3]). With compression, Atg5 siRNA-injected discs presented radiographic height loss ([-43.9, -0.8]), histological damage ([-5.5, -0.2]), and immunofluorescent apoptosis ([2.2, 22.2]) and senescence ([4.1, 19.9]) induction compared to control siRNA-injected discs at 56 d. CONCLUSIONS This loss-of-function study suggests Atg5-dependent autophagy-mediated anti-apoptosis and anti-senescence. Autophagy could be a molecular therapeutic target for degenerative disc disease.
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Affiliation(s)
- R Tsujimoto
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan.
| | - T Yurube
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan.
| | - Y Takeoka
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan.
| | - Y Kanda
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan.
| | - K Miyazaki
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan.
| | - H Ohnishi
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan.
| | - Y Kakiuchi
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan.
| | - S Miyazaki
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan.
| | - Z Zhang
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan.
| | - T Takada
- Department of Orthopaedic Surgery, Kobe Hokuto Hospital, 37-3 Yamada-cho Shimotanigami Aza Umekidani, Kita-ku, Kobe, 651-1243, Japan.
| | - R Kuroda
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan.
| | - K Kakutani
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan.
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12
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Miyazaki K, Schweizer KS, Thirumalai D, Tuinier R, Zaccarelli E. The Asakura–Oosawa theory: Entropic forces in physics, biology, and soft matter. J Chem Phys 2022; 156:080401. [DOI: 10.1063/5.0085965] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- K. Miyazaki
- Department of Physics, Nagoya University, Nagoya 464-8602, Japan
| | - K. S. Schweizer
- Department of Chemistry, University of Illinois, Urbana, Illinois 61801, USA
- Materials Research Laboratory, University of Illinois, Urbana, Illinois 61801, USA
- Department of Materials Science, University of Illinois, Urbana, Illinois 61801, USA
| | - D. Thirumalai
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, USA
| | - R. Tuinier
- Laboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - E. Zaccarelli
- CNR-ISC (National Research Council–Institute for Complex Systems) and Department of Physics, Sapienza University of Rome, Rome, Italy
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13
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Chiba Y, Yoshizaki K, Tian T, Miyazaki K, Martin D, Saito K, Yamada A, Fukumoto S. Integration of Single-Cell RNA- and CAGE-seq Reveals Tooth-Enriched Genes. J Dent Res 2021; 101:220345211049785. [PMID: 34806461 PMCID: PMC9052834 DOI: 10.1177/00220345211049785] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Organ development is dictated by the regulation of genes preferentially expressed in tissues or cell types. Gene expression profiling and identification of specific genes in organs can provide insights into organogenesis. Therefore, genome-wide analysis is a powerful tool for clarifying the mechanisms of development during organogenesis as well as tooth development. Single-cell RNA sequencing (scRNA-seq) is a suitable tool for unraveling the gene expression profile of dental cells. Using scRNA-seq, we can obtain a large pool of information on gene expression; however, identification of functional genes, which are key molecules for tooth development, via this approach remains challenging. In the present study, we performed cap analysis of gene expression sequence (CAGE-seq) using mouse tooth germ to identify the genes preferentially expressed in teeth. The CAGE-seq counts short reads at the 5'-end of transcripts; therefore, this method can quantify the amount of transcripts without bias related to the transcript length. We hypothesized that this CAGE data set would be of great help for further understanding a gene expression profile through scRNA-seq. We aimed to identify the important genes involved in tooth development via bioinformatics analyses, using a combination of scRNA-seq and CAGE-seq. We obtained the scRNA-seq data set of 12,212 cells from postnatal day 1 mouse molars and the CAGE-seq data set from postnatal day 1 molars. scRNA-seq analysis revealed the spatiotemporal expression of cell type-specific genes, and CAGE-seq helped determine whether these genes are preferentially expressed in tooth or ubiquitously. Furthermore, we identified candidate genes as novel tooth-enriched and dental cell type-specific markers. Our results show that the integration of scRNA-seq and CAGE-seq highlights the genes important for tooth development among numerous gene expression profiles. These findings should contribute to resolving the mechanism of tooth development and establishing the basis for tooth regeneration in the future.
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Affiliation(s)
- Y. Chiba
- Section of Oral Medicine for
Children, Division of Oral Health, Growth and Development, Faculty of Dental
Science, Kyushu University, Fukuoka, Japan
| | - K. Yoshizaki
- Section of Orthodontics and
Dentofacial Orthopedics, Division of Oral Health, Growth and Development,
Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - T. Tian
- Section of Orthodontics and
Dentofacial Orthopedics, Division of Oral Health, Growth and Development,
Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - K. Miyazaki
- Section of Orthodontics and
Dentofacial Orthopedics, Division of Oral Health, Growth and Development,
Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - D. Martin
- Genomics and Computational
Biology Core, National Institute on Deafness and Other Communication
Disorders, National Institute of Dental and Craniofacial Research, National
Institutes of Health, Bethesda, MD, USA
| | - Genomics and Computational Biology Core
- Genomics and Computational
Biology Core, National Institute on Deafness and Other Communication
Disorders, National Institute of Dental and Craniofacial Research, National
Institutes of Health, Bethesda, MD, USA
| | - K. Saito
- Division of Pediatric Dentistry,
Department of Community Social Dentistry, Graduate School of Dentistry,
Tohoku University, Sendai, Japan
| | - A. Yamada
- Division of Pediatric Dentistry,
Department of Community Social Dentistry, Graduate School of Dentistry,
Tohoku University, Sendai, Japan
| | - S. Fukumoto
- Section of Oral Medicine for
Children, Division of Oral Health, Growth and Development, Faculty of Dental
Science, Kyushu University, Fukuoka, Japan
- Division of Pediatric Dentistry,
Department of Community Social Dentistry, Graduate School of Dentistry,
Tohoku University, Sendai, Japan
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14
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Kasamatsu K, Tanaka S, Miyazaki K, Takao S, Miyamoto N, Hirayama S, Nishioka K, Hashimoto T, Aoyama H, Umegaki K, Matsuura T. Impact of a spatially dependent dose delivery time structure on the biological effectiveness of scanning proton therapy. Med Phys 2021; 49:702-713. [PMID: 34796522 DOI: 10.1002/mp.15367] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 10/09/2021] [Accepted: 11/02/2021] [Indexed: 11/09/2022] Open
Abstract
PURPOSE In the scanning beam delivery of protons, different portions of the target are irradiated with different linear energy transfer protons with various time intervals and irradiation times. This research aimed to evaluate the spatially dependent biological effectiveness of protracted irradiation in scanning proton therapy. METHODS One and two parallel opposed fields plans were created in water phantom with the prescribed dose of 2 Gy. Three scenarios (instantaneous, continuous, and layered scans) were used with the corresponding beam delivery models. The biological dose (physical dose × relative biological effectiveness) was calculated using the linear quadratic model and the theory of dual radiation action to quantitatively evaluate the dose delivery time effect. In addition, simulations using clinical plans (postoperative seminoma and prostate tumor cases) were conducted to assess the impact of the effects on the dose volume histogram parameters and homogeneity coefficient (HC) in targets. RESULTS In a single-field plan of water phantom, when the treatment time was 19 min, the layered-scan scenario showed a decrease of <0.2% (almost 3.3%) in the biological dose from the plan on the distal (proximal) side because of the high (low) dose rate. This is in contrast to the continuous scenario, where the biological dose was almost uniformly decreased over the target by approximately 3.3%. The simulation with clinical geometry showed that the decrease rates in D99% were 0.9% and 1.5% for every 10 min of treatment time prolongation for postoperative seminoma and prostate tumor cases, respectively, whereas the increase rates in HC were 0.7% and 0.2%. CONCLUSIONS In protracted irradiation in scanning proton therapy, the spatially dependent dose delivery time structure in scanning beam delivery can be an important factor for accurate evaluation of biological effectiveness.
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Affiliation(s)
- Koki Kasamatsu
- Graduate School of Biomedical Science and Engineering, Hokkaido University, Sapporo, Japan
| | - Sodai Tanaka
- Faculty of Engineering, Hokkaido University, Sapporo, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Japan
| | - Koichi Miyazaki
- Faculty of Engineering, Hokkaido University, Sapporo, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Japan
| | - Seishin Takao
- Faculty of Engineering, Hokkaido University, Sapporo, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Japan.,Proton Beam Therapy Center, Hokkaido University Hospital, Sapporo, Japan
| | - Naoki Miyamoto
- Faculty of Engineering, Hokkaido University, Sapporo, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Japan
| | | | - Kentaro Nishioka
- Department of Radiation Medical Science and Engineering, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Takayuki Hashimoto
- Department of Radiation Medical Science and Engineering, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Hidefumi Aoyama
- Department of Radiation Oncology, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Kikuo Umegaki
- Faculty of Engineering, Hokkaido University, Sapporo, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Japan.,Proton Beam Therapy Center, Hokkaido University Hospital, Sapporo, Japan
| | - Taeko Matsuura
- Faculty of Engineering, Hokkaido University, Sapporo, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Japan.,Proton Beam Therapy Center, Hokkaido University Hospital, Sapporo, Japan
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15
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Fujiwara K, Inui S, Shibuya M, Sugihara E, Miyazaki K, Sakugawa T, Okuno Y. Transcatheter Arterial Embolization Using Imipenem/Cilastatin Sodium for Chronic Low Back Pain Resistant to Conservative Treatment: A Pilot Study with 2-Year Follow-Up. Cardiovasc Intervent Radiol 2021; 44:1964-1970. [PMID: 34668999 DOI: 10.1007/s00270-021-02976-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 08/27/2021] [Indexed: 11/27/2022]
Abstract
PURPOSE To evaluate the safety and 2-year follow-up clinical outcomes of transcatheter arterial embolization (TAE) using imipenem/cilastatin sodium for chronic low back pain resistant to conservative treatment. MATERIALS AND METHODS A retrospective review identified 14 patients who underwent TAE for chronic low back pain between October 2017 and August 2018. Patients with low back pain related to the facet or sacroiliac joint, lasting ≥ 6 months, refractory to ≥ 3 months of conservative treatment were eligible for TAE. Each patient received embolization of feeding arteries of painful regions. The changes in brief pain inventory (BPI) scores, adverse events, and the Oswestry Disability Index (ODI) were evaluated at baseline and 1, 3, and 24 months after TAE. Clinical success was defined as BPI maximum pain intensity decrease of ≥ 2 and ODI decrease of ≥ 10 points from baseline. RESULTS Follow-up data were available in 13 and 11 patients, at 3 and 24 months after embolization, respectively. Intention-to-treat clinical success was obtained in 11/14 (79%) of patients at 3 months and 8/14 (57%) of patients at 24 months after TAE. Mean BPI maximum pain intensity and ODI scores decreased significantly from baseline to 1, 3, and 24 months after treatment (7.6 vs.. 4.3, 3.4, and 4.1; 40.8 vs 21.5, 20.0, and 23.8, respectively; all P < 0.01). No major adverse events were associated with the procedures. CONCLUSION TAE is one possible treatment option for patients with chronic low back pain refractory to conservative treatment.
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Affiliation(s)
- Keishi Fujiwara
- Musculoskeletal Intervention Center, Okuno Clinic, 4th Fl Ginrei Bldg., 7-8-4, Roppongi, Minato-ku, Tokyo, 106-0032, Japan
| | - Shohei Inui
- Department of Radiology, Graduate School of Medicine, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan
| | - Masahiko Shibuya
- Musculoskeletal Intervention Center, Okuno Clinic, 4th Fl Ginrei Bldg., 7-8-4, Roppongi, Minato-ku, Tokyo, 106-0032, Japan
| | - Eiji Sugihara
- Musculoskeletal Intervention Center, Okuno Clinic, 4th Fl Ginrei Bldg., 7-8-4, Roppongi, Minato-ku, Tokyo, 106-0032, Japan
| | - Koichi Miyazaki
- Musculoskeletal Intervention Center, Okuno Clinic, 4th Fl Ginrei Bldg., 7-8-4, Roppongi, Minato-ku, Tokyo, 106-0032, Japan
| | - Takayuki Sakugawa
- Musculoskeletal Intervention Center, Okuno Clinic, 4th Fl Ginrei Bldg., 7-8-4, Roppongi, Minato-ku, Tokyo, 106-0032, Japan
| | - Yuji Okuno
- Musculoskeletal Intervention Center, Okuno Clinic, 4th Fl Ginrei Bldg., 7-8-4, Roppongi, Minato-ku, Tokyo, 106-0032, Japan.
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16
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Kim J, Miyazaki K. Statin use can attenuate the decline in left ventricular ejection fraction during the cardiotoxic chemotherapy: a systemic review and meta-analysis. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.2948] [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
Antineoplastic medications such as anthracyclines and trastuzumab are effective in treating various hematologic and solid organ malignancies, however an increased risk of cardiotoxicity in patients has been reported. A decline in left ventricular ejection fraction (LVEF) is a common finding in chemotherapy-induced cardiomyopathy and is sometimes irreversible and lethal. Several agents such as beta blockers and angiotensin-converting enzyme (ACE) inhibitors have shown to reduce the chemotherapy-induced cardiotoxicity in cancer patients. The use of statins, however, to prevent chemotherapy-related cardiotoxicity is not as well studied as other cardioprotective agents. In this study, we aimed to investigate the difference in the degree of decline in the LVEF in patients who received concurrent statin during the chemotherapy compared to those who received chemotherapy alone.
Methods
A systematic search of MEDLINE and EMBASE databases was performed from inception to March 2021 for studies that reported the mean LVEF before and after chemotherapy in patients who received concurrent statin therapy and those who did not receive statin along with the chemotherapy. A random effects meta-analysis was performed to obtain the pooled WMD of LVEF between the intervention (statin with chemotherapy) and the control group (chemotherapy alone) before and after chemotherapy treatments using STATA 16.
Results
Four studies with a total of 297 patients were included in this meta-analysis. Of the 297 patients, 115 patients were in the intervention group and received statin with chemotherapy, while 182 patients were in the control group and received chemotherapy alone. Baseline mean LVEF had no statistically significant difference between the intervention (statin) and the control (no statin) group, and the WMD was −0.38% (95% CI: −1.27 to 0.51, p=0.342). Upon follow-up, the control group patients showed a significantly greater decline in LVEF, with WMD of −6.08% (95% CI: −8.55 to −3.61, p=0.013), compared to the intervention group.
Conclusion
Patients who did not receive statin during the chemotherapy period had a greater mean decline in LVEF from baseline compared to that of the control group after the chemotherapy treatments.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- J Kim
- University of Hawaii, Internal Medicine, Honolulu, United States of America
| | - K Miyazaki
- University of Hawaii, Internal Medicine, Honolulu, United States of America
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Hirano K, Harada H, Shibata S, Chou E, Naka Y, Kawaguchi K, Nishimura Y, Akayama K, Miyazaki K, Mandai K. P36.01 Primary Acinic Cell Carcinoma of Bronchial Ground Origin: A Case Report. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.425] [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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18
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Hayashi R, Miyazaki K, Takao S, Yokokawa K, Tanaka S, Matsuura T, Taguchi H, Katoh N, Shimizu S, Umegaki K, Miyamoto N. Real-time CT image generation based on voxel-by-voxel modeling of internal deformation by utilizing the displacement of fiducial markers. Med Phys 2021; 48:5311-5326. [PMID: 34260755 DOI: 10.1002/mp.15095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 06/17/2021] [Accepted: 07/07/2021] [Indexed: 11/08/2022] Open
Abstract
PURPOSE To show the feasibility of real-time CT image generation technique utilizing internal fiducial markers that facilitate the evaluation of internal deformation. METHODS In the proposed method, a linear regression model that can derive internal deformation from the displacement of fiducial markers is built for each voxel in the training process before the treatment session. Marker displacement and internal deformation are derived from the four-dimensional computed tomography (4DCT) dataset. In the treatment session, the three-dimensional deformation vector field is derived according to the marker displacement, which is monitored by the real-time imaging system. The whole CT image can be synthesized by deforming the reference CT image with a deformation vector field in real-time. To show the feasibility of the technique, image synthesis accuracy and tumor localization accuracy were evaluated using the dataset generated by extended NURBS-Based Cardiac-Torso (XCAT) phantom and clinical 4DCT datasets from six patients, containing 10 CT datasets each. In the validation with XCAT phantom, motion range of the tumor in training data and validation data were about 10 and 15 mm, respectively, so as to simulate motion variation between 4DCT acquisition and treatment session. In the validation with patient 4DCT dataset, eight CT datasets from the 4DCT dataset were used in the training process. Two excluded inhale CT datasets can be regarded as the datasets with large deformations more than training dataset. CT images were generated for each respiratory phase using the corresponding marker displacement. Root mean squared error (RMSE), normalized RMSE (NRMSE), and structural similarity index measure (SSIM) between the original CT images and the synthesized CT images were evaluated as the quantitative indices of the accuracy of image synthesis. The accuracy of tumor localization was also evaluated. RESULTS In the validation with XCAT phantom, the mean NRMSE, SSIM, and three-dimensional tumor localization error were 7.5 ± 1.1%, 0.95 ± 0.02, and 0.4 ± 0.3 mm, respectively. In the validation with patient 4DCT dataset, the mean RMSE, NRMSE, SSIM, and three-dimensional tumor localization error in six patients were 73.7 ± 19.6 HU, 9.2 ± 2.6%, 0.88 ± 0.04, and 0.8 ± 0.6 mm, respectively. These results suggest that the accuracy of the proposed technique is adequate when the respiratory motion is within the range of the training dataset. In the evaluation with a marker displacement larger than that of the training dataset, the mean RMSE, NRMSE, and tumor localization error were about 100 HU, 13%, and <2.0 mm, respectively, except for one case having large motion variation. The performance of the proposed method was similar to those of previous studies. Processing time to generate the volumetric image was <100 ms. CONCLUSION We have shown the feasibility of the real-time CT image generation technique for volumetric imaging.
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Affiliation(s)
- Risa Hayashi
- Graduate School of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Koichi Miyazaki
- Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Hokkaido, Japan
| | - Seishin Takao
- Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Hokkaido, Japan
| | - Kohei Yokokawa
- Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Sodai Tanaka
- Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Hokkaido, Japan
| | - Taeko Matsuura
- Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Hokkaido, Japan
| | - Hiroshi Taguchi
- Department of Radiation Oncology, Hokkaido University Hospital, Sapporo, Hokkaido, Japan
| | - Norio Katoh
- Faculty of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Shinichi Shimizu
- Department of Medical Physics, Hokkaido University Hospital, Sapporo, Hokkaido, Japan.,Faculty of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Kikuo Umegaki
- Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Hokkaido, Japan
| | - Naoki Miyamoto
- Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan.,Department of Medical Physics, Hokkaido University Hospital, Sapporo, Hokkaido, Japan
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19
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Shibuya M, Sugihara E, Miyazaki K, Fujiwara K, Sakugawa T, Okuno Y. Intra-arterial Infusion of Temporary Embolic Material in a Patient with Plantar Fasciitis: A Case Report. Cardiovasc Intervent Radiol 2021; 44:1823-1826. [PMID: 34231004 DOI: 10.1007/s00270-021-02908-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Accepted: 06/21/2021] [Indexed: 12/15/2022]
Abstract
This case report concerns a 51-year-old woman with a 6-month history of severe right heel pain diagnosed as plantar fasciitis (PF) treated with intra-arterial infusion of imipenem/cilastatin (IPM/CS) through a 24G indwelling needle directly inserted into the posterior tibial artery (PTA). Angiography of the indwelling needle immediately before the infusion of IPM/CS demonstrated an increased number of abnormal vessels at the calcaneal attachment of the plantar fascia. Two procedures were planned: The first procedure was performed, and the second was performed 1 month after the first. A week after the first treatment, her pain gradually decreased. Three months after the first treatment, she no longer had difficulties with activities of daily living. Intra-arterial infusion of IPM/CS directly through an indwelling needle into the PTA represents a minimally invasive embolic treatment option for PF.
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Affiliation(s)
- Masahiko Shibuya
- Musculoskeletal Intervention Center, Okuno Clinic, 4th Fl Ginrrei Bldg., 7-8-4, Roppongi, Minato-ku, Tokyo, Japan.
| | - Eiji Sugihara
- Musculoskeletal Intervention Center, Okuno Clinic, 4th Fl Ginrrei Bldg., 7-8-4, Roppongi, Minato-ku, Tokyo, Japan
| | - Koichi Miyazaki
- Musculoskeletal Intervention Center, Okuno Clinic, 4th Fl Ginrrei Bldg., 7-8-4, Roppongi, Minato-ku, Tokyo, Japan
| | - Keishi Fujiwara
- Musculoskeletal Intervention Center, Okuno Clinic, 4th Fl Ginrrei Bldg., 7-8-4, Roppongi, Minato-ku, Tokyo, Japan
| | - Takayuki Sakugawa
- Musculoskeletal Intervention Center, Okuno Clinic, 4th Fl Ginrrei Bldg., 7-8-4, Roppongi, Minato-ku, Tokyo, Japan
| | - Yuji Okuno
- Musculoskeletal Intervention Center, Okuno Clinic, 4th Fl Ginrrei Bldg., 7-8-4, Roppongi, Minato-ku, Tokyo, Japan
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20
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Ahn JK, Beckford B, Campbell M, Chen SH, Comfort J, Dona K, Farrington MS, Hanai K, Hara N, Haraguchi H, Hsiung YB, Hutcheson M, Inagaki T, Isoe M, Kamiji I, Kato T, Kim EJ, Kim JL, Kim HM, Komatsubara TK, Kotera K, Lee SK, Lee JW, Lim GY, Lin QS, Lin C, Luo Y, Mari T, Masuda T, Matsumura T, Mcfarland D, McNeal N, Miyazaki K, Murayama R, Nakagiri K, Nanjo H, Nishimiya H, Noichi Y, Nomura T, Nunes T, Ohsugi M, Okuno H, Redeker JC, Sanchez J, Sasaki M, Sasao N, Sato T, Sato K, Sato Y, Shimizu N, Shimogawa T, Shinkawa T, Shinohara S, Shiomi K, Shiraishi R, Su S, Sugiyama Y, Suzuki S, Tajima Y, Taylor M, Tecchio M, Togawa M, Toyoda T, Tung YC, Vuong QH, Wah YW, Watanabe H, Yamanaka T, Yoshida HY, Zaidenberg L. Study of the K_{L}→π^{0}νν[over ¯] Decay at the J-PARC KOTO Experiment. Phys Rev Lett 2021; 126:121801. [PMID: 33834796 DOI: 10.1103/physrevlett.126.121801] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 02/18/2021] [Indexed: 06/12/2023]
Abstract
The rare decay K_{L}→π^{0}νν[over ¯] was studied with the dataset taken at the J-PARC KOTO experiment in 2016, 2017, and 2018. With a single event sensitivity of (7.20±0.05_{stat}±0.66_{syst})×10^{-10}, three candidate events were observed in the signal region. After unveiling them, contaminations from K^{±} and scattered K_{L} decays were studied, and the total number of background events was estimated to be 1.22±0.26. We conclude that the number of observed events is statistically consistent with the background expectation. For this dataset, we set an upper limit of 4.9×10^{-9} on the branching fraction of K_{L}→π^{0}νν[over ¯] at the 90% confidence level.
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Affiliation(s)
- J K Ahn
- Department of Physics, Korea University, Seoul 02841, Republic of Korea
| | - B Beckford
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - M Campbell
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - S H Chen
- Department of Physics, National Taiwan University, Taipei, Taiwan 10617, Republic of China
| | - J Comfort
- Department of Physics, Arizona State University, Tempe, Arizona 85287, USA
| | - K Dona
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - M S Farrington
- Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, USA
| | - K Hanai
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - N Hara
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - H Haraguchi
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Y B Hsiung
- Department of Physics, National Taiwan University, Taipei, Taiwan 10617, Republic of China
| | - M Hutcheson
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - T Inagaki
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - M Isoe
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - I Kamiji
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - T Kato
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - E J Kim
- Division of Science Education, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - J L Kim
- Division of Science Education, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - H M Kim
- Division of Science Education, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - T K Komatsubara
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
- J-PARC Center, Tokai, Ibaraki 319-1195, Japan
| | - K Kotera
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - S K Lee
- Division of Science Education, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - J W Lee
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - G Y Lim
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
- J-PARC Center, Tokai, Ibaraki 319-1195, Japan
| | - Q S Lin
- Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, USA
| | - C Lin
- Department of Physics, National Taiwan University, Taipei, Taiwan 10617, Republic of China
| | - Y Luo
- Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, USA
| | - T Mari
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - T Masuda
- Research Institute for Interdisciplinary Science, Okayama University, Okayama 700-8530, Japan
| | - T Matsumura
- Department of Applied Physics, National Defense Academy, Kanagawa 239-8686, Japan
| | - D Mcfarland
- Department of Physics, Arizona State University, Tempe, Arizona 85287, USA
| | - N McNeal
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - K Miyazaki
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - R Murayama
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - K Nakagiri
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - H Nanjo
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - H Nishimiya
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Y Noichi
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - T Nomura
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
- J-PARC Center, Tokai, Ibaraki 319-1195, Japan
| | - T Nunes
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - M Ohsugi
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - H Okuno
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - J C Redeker
- Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, USA
| | - J Sanchez
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - M Sasaki
- Department of Physics, Yamagata University, Yamagata 990-8560, Japan
| | - N Sasao
- Research Institute for Interdisciplinary Science, Okayama University, Okayama 700-8530, Japan
| | - T Sato
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - K Sato
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Y Sato
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - N Shimizu
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - T Shimogawa
- Department of Physics, Saga University, Saga 840-8502, Japan
| | - T Shinkawa
- Department of Applied Physics, National Defense Academy, Kanagawa 239-8686, Japan
| | - S Shinohara
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - K Shiomi
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
- J-PARC Center, Tokai, Ibaraki 319-1195, Japan
| | - R Shiraishi
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - S Su
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - Y Sugiyama
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - S Suzuki
- Department of Physics, Saga University, Saga 840-8502, Japan
| | - Y Tajima
- Department of Physics, Yamagata University, Yamagata 990-8560, Japan
| | - M Taylor
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - M Tecchio
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - M Togawa
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - T Toyoda
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Y-C Tung
- Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, USA
| | - Q H Vuong
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Y W Wah
- Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, USA
| | - H Watanabe
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
- J-PARC Center, Tokai, Ibaraki 319-1195, Japan
| | - T Yamanaka
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - H Y Yoshida
- Department of Physics, Yamagata University, Yamagata 990-8560, Japan
| | - L Zaidenberg
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
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21
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Miyazaki K, Hirasawa Y, Aga M, Aiko N, Hamakawa Y, Taniguti Y, Misumi Y, Agemi Y, Ishii M, Shimokawa T, Okamoto H. P33.08 Granulocyte Colony-Stimulating Factor-Producing Lung Cancer With Highly Expresses PD-L1 Protein Expression Level. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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22
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Kamigaichi A, Harada H, Katsumata R, Hirano K, Matsumoto Y, Kawaguchi K, Nishimura Y, Miyazaki K, Shibata S. P05.11 Preoperative Low Muscle Quality Predicts Poor Outcomes After Surgery for Early-Stage Non-Small Cell Lung Cancer. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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23
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Harada H, Yagyu K, Nishida M, Kamigaichi A, Miyazaki K, Nishimura Y, Kawaguchi K, Matsumoto Y, Hirano K, Shibata S. P35.07 Analysis of Inter-Tumor Heterogeneity Among Lesions in Autopsy Cases With Untreated Lung Cancer by DNA Methylation Profiling. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.708] [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: 11/26/2022]
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24
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Miyazaki K, Hanaoka K, Kaida H, Chiba Y, Ishii K. Association between the Onset of Idiopathic Normal Pressure Hydrocephalus Symptoms and Reduced Default Mode Network Connectivity. Dement Geriatr Cogn Disord 2020; 49:255-263. [PMID: 32814322 PMCID: PMC7949227 DOI: 10.1159/000508338] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 04/29/2020] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE The aim was to examine the association between connectivity changes in the default mode network (DMN) and the progression of idiopathic normal pressure hydrocephalus (iNPH). METHODS We retrospectively recruited cases of preclinical and clinical iNPH from 2,196 patients who had received whole-body 18F-fluorodeoxyglucose-positron emission tomography/computed tomography (FDG-PET/CT) scanning. We included 31 cases with asymptomatic ventriculomegaly with features of iNPH on MRI (AVIM; reported as preclinical iNPH) and 12 with iNPH. We performed a voxel-based analysis of the brain FDG-PET images of the AVIM and iNPH groups as well as for each background-matched normal control (NC) group, using Statistical Parametric Mapping 12. Volume of interest (VOI)-based analysis was also performed. We set the VOI as the region from the precuneus to the posterior cingulate cortices (PCC), and compared the mean regional standardized uptake value ratio (SUVR) between the AVIM and iNPH group FDG-PET/CT images and each corresponding NC group. RESULTS The voxel-based analysis showed a greater decreased FDG uptake in the PCC in the iNPH group than in the AVIM group. The VOI-based analysis revealed no significant difference in the mean SUVR of the AVIM group and the corresponding NC group, but that of the iNPH group was significantly lower than that of its corresponding NC group. CONCLUSIONS DMN connectivity was reduced in the clinical iNPH group but not in the preclinical group. These data suggest that alterations in the functional connectivity of the DMN are related to the onset of iNPH symptoms.
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Affiliation(s)
- Koichi Miyazaki
- Department of Radiology, Kindai University Faculty of Medicine, Osakasayama, Japan,
| | - Kohei Hanaoka
- Institute of Advanced Clinical Medicine, Kindai University, Osakasayama, Japan
| | - Hayato Kaida
- Department of Radiology, Kindai University Faculty of Medicine, Osakasayama, Japan
| | - Yasutaka Chiba
- Clinical Research Center, Kindai University Hospital, Osakasayama, Japan
| | - Kazunari Ishii
- Department of Radiology, Kindai University Faculty of Medicine, Osakasayama, Japan
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25
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Shibuya M, Sugihara E, Miyazaki K, Yamamoto M, Fujiwara K, Okuno Y. Effects of Transcatheter Arterial Microembolization on Persistent Trapezius Myalgia Refractory to Conservative Treatment. Cardiovasc Intervent Radiol 2020; 44:102-109. [PMID: 33083854 DOI: 10.1007/s00270-020-02670-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 09/26/2020] [Indexed: 11/28/2022]
Abstract
PURPOSE To evaluate the safety and efficacy of transcatheter arterial microembolization for patients with trapezius myalgia. MATERIALS AND METHODS We retrospectively evaluated the prospectively collected data of patients with trapezius myalgia for > 6 months who were refractory to conservative treatment and were treated by transcatheter arterial microembolization between October 2017 and January 2019. Transcatheter arterial microembolization was performed using imipenem/cilastatin on the vessels of the transverse cervical artery, suprascapular artery, and circumflex scapular artery according to the region of pain. RESULTS Forty-two patients were treated by transcatheter arterial microembolization and followed up for 6 months. No major adverse events occurred related to the procedures. The brief pain inventory worst pain scores significantly improved at 1, 2, 3, and 6 months after transcatheter arterial microembolization (8.6 ± 1.3 (before procedure) vs. 5.1 ± 2.9, 4.4 ± 2.9, 4.1 ± 2.8, and 3.9 ± 2.9, respectively, P < 0.001). The brief pain inventory pain interference scores, including general activity, mood, walking ability, normal work, relations with others, sleep, and enjoyment of life, also significantly decreased at 1, 2, 3, and 6 months after transcatheter arterial microembolization compared to those at baseline (all P < 0.01). The clinical success rate at 6 months after transcatheter arterial microembolization was 71.4% (95% confidence interval, 55.4-84.3%). CONCLUSION Transcatheter arterial microembolization is a safe and effective treatment for persistent trapezius myalgia. Further evaluation with a control group is needed to confirm the effects of transcatheter arterial microembolization. LEVEL OF EVIDENCE Level 4, Case Series.
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Affiliation(s)
- Masahiko Shibuya
- Musculoskeletal Intervention Center, Okuno Clinic, 36-6 Hotel Atlas 2F, Chigasaki Chu-o, Tsuzukiku, Kanagawa, Japan
| | - Eiji Sugihara
- Musculoskeletal Intervention Center, Okuno Clinic, 36-6 Hotel Atlas 2F, Chigasaki Chu-o, Tsuzukiku, Kanagawa, Japan
| | - Koichi Miyazaki
- Musculoskeletal Intervention Center, Okuno Clinic, 36-6 Hotel Atlas 2F, Chigasaki Chu-o, Tsuzukiku, Kanagawa, Japan
| | - Masayoshi Yamamoto
- Department of Radiology, School of Medicine, Teikyo University, Itabashi, Tokyo, Japan
| | - Keishi Fujiwara
- Musculoskeletal Intervention Center, Okuno Clinic, 36-6 Hotel Atlas 2F, Chigasaki Chu-o, Tsuzukiku, Kanagawa, Japan
| | - Yuji Okuno
- Musculoskeletal Intervention Center, Okuno Clinic, 36-6 Hotel Atlas 2F, Chigasaki Chu-o, Tsuzukiku, Kanagawa, Japan.
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Miyazaki K, Bowman K, Sekiya T, Jiang Z, Chen X, Eskes H, Ru M, Zhang Y, Shindell D. Air Quality Response in China Linked to the 2019 Novel Coronavirus (COVID-19) Lockdown. Geophys Res Lett 2020; 47:e2020GL089252. [PMID: 33173248 PMCID: PMC7646019 DOI: 10.1029/2020gl089252] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 08/21/2020] [Accepted: 09/08/2020] [Indexed: 05/20/2023]
Abstract
Efforts to stem the spread of COVID-19 in China hinged on severe restrictions to human movement starting 23 January 2020 in Wuhan and subsequently to other provinces. Here, we quantify the ancillary impacts on air pollution and human health using inverse emissions estimates based on multiple satellite observations. We find that Chinese NOx emissions were reduced by 36% from early January to mid-February, with more than 80% of reductions occurring after their respective lockdown in most provinces. The reduced precursor emissions increased surface ozone by up to 16 ppb over northern China but decreased PM2.5 by up to 23 μg m-3 nationwide. Changes in human exposure are associated with about 2,100 more ozone-related and at least 60,000 fewer PM2.5-related morbidity incidences, primarily from asthma cases, thereby augmenting efforts to reduce hospital admissions and alleviate negative impacts from potential delayed treatments.
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Affiliation(s)
- K. Miyazaki
- Jet Propulsion LaboratoryCalifornia Institute of TechnologyPasadenaCAUSA
| | - K. Bowman
- Jet Propulsion LaboratoryCalifornia Institute of TechnologyPasadenaCAUSA
| | - T. Sekiya
- Japan Agency for Marine‐Earth Science and TechnologyYokohamaJapan
| | - Z. Jiang
- School of Earth and Space SciencesUniversity of Science and Technology of ChinaHefeiChina
| | - X. Chen
- School of Earth and Space SciencesUniversity of Science and Technology of ChinaHefeiChina
| | - H. Eskes
- Royal Netherlands Meteorological Institute (KNMI)De Biltthe Netherlands
| | - M. Ru
- Nicholas School of the EnvironmentDuke UniversityDurhamNCUSA
| | - Y. Zhang
- Nicholas School of the EnvironmentDuke UniversityDurhamNCUSA
| | - D. Shindell
- Nicholas School of the EnvironmentDuke UniversityDurhamNCUSA
- Porter School of the Environment and Earth SciencesTel Aviv UniversityTel AvivIsrael
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Kashiwagi N, Miyazaki K, Takahashi H, Tsuji K, Fujiwara M, Arisawa A, Nakamura H, Kishima H, Ishii K, Tomiyama N. Spontaneous closure of non-cavernous sinus dural arteriovenous fistulas: A case series and systematic review of the literature. J Neuroradiol 2020; 49:94-100. [PMID: 32918945 DOI: 10.1016/j.neurad.2020.09.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 09/03/2020] [Accepted: 09/03/2020] [Indexed: 10/23/2022]
Abstract
BACKGROUND AND PURPOSE To report 9 new cases of non-cavernous sinus dural arteriovenous fistulas (NCS-DAVFs) that closed spontaneously and systematically review reports of other cases in the literature. MATERIAL AND METHODS We performed a retrospective analysis of 9 cases from 2 institutions of NCS-DAVFs that closed spontaneously. Using PubMed and Scopus in accordance with the PRISMA guidelines, we systematically reviewed English language articles about NCS-DAVFs showing spontaneous closure. RESULTS Review of the cases from 2 institutions identified 9 cases of NCS-DAVFs showing spontaneous closure in follow-up magnetic resonance angiography (MRA), and the systematic review of the literature yielded an additional 38 cases, which had been diagnosed by repeated arteriography. Collectively, the patients included 23 men and 24 women with a mean age of 54 years. The shunts were located in the transverse-sigmoid sinus in 24 cases (51%), anterior condylar confluence in 11, and other locations in 12. Based on the venous drainage pattern on arteriography, 27 cases (57%) were classified as low-risk NCS-DAVF (without cortical venous reflux) and 17 were classified as high-risk NCS-DAVF (with cortical venous reflux). Shunt closure was observed within 3 months in 17 cases (36%). Extrinsic predisposing factors for shunt closure were detected in 14 cases (30%). These included angiography in 7 cases, sinus recanalization in 4, development of sinus occlusion in 2, and sinus compression by a newly developed hematoma in 1. CONCLUSION Spontaneous closures of NCS-DAVFs can occur for both high- and low-risk types. One-third of these closures occur within 3 months.
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Affiliation(s)
- Nobuo Kashiwagi
- Department of Future Diagnostic Radiology, Osaka University Graduate School of Medicine, Japan.
| | - Koichi Miyazaki
- Department of Radiology, Kindai University Faculty of Medicine, Japan.
| | - Hiroto Takahashi
- Center for twin research, Osaka University Graduate School of Medicine, Japan.
| | - Kiyoshi Tsuji
- Department of Neurosurgery, Kindai University Faculty of Medicine, Japan.
| | - Masahiro Fujiwara
- Department of Radiology, Osaka University Graduate School of Medicine, Japan.
| | - Atsuko Arisawa
- Department of Radiology, Osaka University Graduate School of Medicine, Japan.
| | - Hajime Nakamura
- Department of Neurosurgery, Osaka University Graduate School of Medicine, Japan.
| | - Haruhiko Kishima
- Department of Neurosurgery, Osaka University Graduate School of Medicine, Japan.
| | - Kazunari Ishii
- Department of Radiology, Kindai University Faculty of Medicine, Japan.
| | - Noriyuki Tomiyama
- Department of Radiology, Osaka University Graduate School of Medicine, Japan.
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28
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Ishii K, Yamada T, Hanaoka K, Kaida H, Miyazaki K, Ueda M, Hanada K, Saigoh K, Sauerbeck J, Rominger A, Bartenstein P, Kimura Y. Regional gray matter-dedicated SUVR with 3D-MRI detects positive amyloid deposits in equivocal amyloid PET images. Ann Nucl Med 2020; 34:856-863. [DOI: 10.1007/s12149-020-01513-3] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Accepted: 08/18/2020] [Indexed: 11/24/2022]
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29
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Kimura Y, Watanabe A, Yamada T, Watanabe S, Nagaoka T, Nemoto M, Miyazaki K, Hanaoka K, Kaida H, Ishii K. AI approach of cycle-consistent generative adversarial networks to synthesize PET images to train computer-aided diagnosis algorithm for dementia. Ann Nucl Med 2020; 34:512-515. [PMID: 32314148 DOI: 10.1007/s12149-020-01468-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 04/08/2020] [Indexed: 11/29/2022]
Abstract
OBJECTIVE An artificial intelligence (AI)-based algorithm typically requires a considerable amount of training data; however, few training images are available for dementia with Lewy bodies and frontotemporal lobar degeneration. Therefore, this study aims to present the potential of cycle-consistent generative adversarial networks (CycleGAN) to obtain enough number of training images for AI-based computer-aided diagnosis (CAD) algorithms for diagnosing dementia. METHODS We trained CycleGAN using 43 amyloid-negative and 45 positive images in slice-by-slice. RESULTS The CycleGAN can be used to synthesize reasonable amyloid-positive images, and the continuity of slices was preserved. DISCUSSION Our results show that CycleGAN has the potential to generate a sufficient number of training images for CAD of dementia.
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Affiliation(s)
- Yuichi Kimura
- Graduate School of Biology-Oriented Science and Technology, Kindai University, Wakayama, Japan.
- Faculty of Biology-Oriented Science and Technology, Kindai University, Wakayama, Japan.
| | - Aya Watanabe
- Graduate School of Biology-Oriented Science and Technology, Kindai University, Wakayama, Japan
| | - Takahiro Yamada
- Division of Positron Emission Tomography, Institute of Advanced Clinical Medicine, Kindai University, Osaka, Japan
| | - Shogo Watanabe
- Department of Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takashi Nagaoka
- Graduate School of Biology-Oriented Science and Technology, Kindai University, Wakayama, Japan
- Faculty of Biology-Oriented Science and Technology, Kindai University, Wakayama, Japan
| | - Mitsutaka Nemoto
- Graduate School of Biology-Oriented Science and Technology, Kindai University, Wakayama, Japan
| | - Koichi Miyazaki
- Department of Radiology, Faculty of Medicine, Kindai University, Osaka, Japan
| | - Kohei Hanaoka
- Division of Positron Emission Tomography, Institute of Advanced Clinical Medicine, Kindai University, Osaka, Japan
| | - Hayato Kaida
- Division of Positron Emission Tomography, Institute of Advanced Clinical Medicine, Kindai University, Osaka, Japan
- Department of Radiology, Faculty of Medicine, Kindai University, Osaka, Japan
| | - Kazunari Ishii
- Division of Positron Emission Tomography, Institute of Advanced Clinical Medicine, Kindai University, Osaka, Japan
- Department of Radiology, Faculty of Medicine, Kindai University, Osaka, Japan
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Tokuda K, Shimada M, Ikemoto T, Miyazaki K, Yamada S, Saito Y, Arakawa Y, Imura S, Morine Y. The investigation of optimal transplantation site of insulin producing cell differentiated from adipose derived stem cell. Cytotherapy 2020. [DOI: 10.1016/j.jcyt.2020.03.194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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31
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Shimada M, Ikemoto T, Tokuda K, Saito Y, Miyazaki K, Arakawa Y, Imura S, Morine Y. Long-term results of transplanted insulin producing cells differentiated from human adipose derived stem cells in mice. Cytotherapy 2020. [DOI: 10.1016/j.jcyt.2020.03.186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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32
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Ikemoto T, Shimada M, Tokuda K, Miyazaki K, Yamada S, Saito Y, Arakawa Y, Imura S, Morine Y. The generation of effective insulin-producing cells from ADSC derived from type 1 diabetes mellitus patients. Cytotherapy 2020. [DOI: 10.1016/j.jcyt.2020.03.147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Miyazaki K, Hanaoka K, Kaida H, Chiba Y, Ishii K. Changes in cerebral glucose metabolism caused by morphologic features of prodromal idiopathic normal pressure hydrocephalus. EJNMMI Res 2019; 9:111. [PMID: 31845088 PMCID: PMC6915186 DOI: 10.1186/s13550-019-0573-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 11/08/2019] [Indexed: 11/23/2022] Open
Abstract
Background Decreased cerebral glucose metabolism has been reported in idiopathic normal pressure hydrocephalus (iNPH). However, the timing of appearance in the preclinical stage of iNPH remains unknown. Herein, we evaluated the changes in regional cerebral glucose metabolism with respect to the characteristic morphologic features of iNPH. Methods We performed a cross-sectional study in > 2000 elderly patients who received a whole body 18F-fluorodeoxyglucose-positron emission tomography/computed tomography scanning and recruited subjects with clinical and preclinical iNPH. We included 12 subjects with iNPH, 32 subjects with asymptomatic ventriculomegaly with features of iNPH on magnetic resonance imaging (AVIM), and 33 subjects with preclinical morphologic features of DESH (PMD). We previously reported that iNPH develops in the order of PMD (asymptomatic subjects with incomplete DESH), AVIM (asymptomatic subjects with DESH), and iNPH (symptomatic subjects with DESH). We measured the median regional standardized uptake value ratio (SUVR) on 18F-fluorodeoxyglucose-positron emission tomography/computed tomography images between the three groups and compared them with background-matched normal controls in the frontal lobes, temporal lobes, medial parietal lobes, striata, and thalami. Results In the frontal and temporal lobes, the SUVR distributions of the PMD, AVIM, and PMD groups were significantly lower than for each NC (p < 0.05 for all). In the medial parietal lobes, the SUVR distributions were significantly higher in PMD and AVIM groups (p < 0.05 for all). In the thalami and striata, the SUVR distributions were significantly lower in the iNPH group (p < 0.05 for all). Conclusions Changes in brain glucose metabolism in the cortices are observed in preclinical iNPH, while metabolic decline in the basal ganglia is only detected in clinical iNPH.
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Affiliation(s)
- Koichi Miyazaki
- Department of Radiology, Kindai University Faculty of Medicine, Osakasayama, Osaka, Japan.
| | - Kohei Hanaoka
- Institute of Advanced Clinical Medicine, Kindai University, Osakasayama, Osaka, Japan
| | - Hayato Kaida
- Department of Radiology, Kindai University Faculty of Medicine, Osakasayama, Osaka, Japan
| | - Yasutaka Chiba
- Clinical Research Center, Kindai University Hospital, Osakasayama, Osaka, Japan
| | - Kazunari Ishii
- Department of Radiology, Kindai University Faculty of Medicine, Osakasayama, Osaka, Japan
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34
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Miyazaki K, Ishii K, Hanaoka K, Kaida H, Nakajima K. The Tight Medial and High Convexity Subarachnoid Spaces Is the First Finding of Idiopathic Normal Pressure Hydrocephalus at the Preclinical Stage. Neurol Med Chir (Tokyo) 2019; 59:436-443. [PMID: 31582642 PMCID: PMC6867932 DOI: 10.2176/nmc.oa.2019-0133] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Disproportionately enlarged subarachnoid-space hydrocephalus (DESH) findings are often reported as characteristic radiological features of idiopathic normal pressure hydrocephalus (iNPH). However, the process of development of DESH remains unclear. The aim of the present study was to determine the dynamic deforming process and pathophysiology of iNPH. All patients >50 years of age who underwent whole body FDG-PET/CT scanning at Kindai University Hospital between May 2017 and April 2018 were included in this retrospective study, and their brain image findings and clinical information were assessed. We defined DESH-like findings, which had one or two equivocal features of the three components of DESH findings, as preclinical morphologic features of DESH (PMD). PMD were classified into six subtypes based on their component of DESH findings: PMD-T, only tight medial and high convexity subarachnoid spaces (TMC); PMD-S, only enlarged Sylvian fissures; PMD-V, only ventriculomegaly; PMD-TV, TMC and ventriculomegaly; PMD-TS, TMC and enlarged Sylvian fissures; PMD-SV, enlarged Sylvian fissures and ventriculomegaly. A total of 2196 cases (70.5 ± 9.3 years) were enrolled, with 54 cases (77.1 ± 5.9 years) with DESH findings, and 42 cases (72.9 ± 7.9 years) with PMD (five PMD-T, two PMD-V, 12 PMD-TV, 18 PMD-TS, and five PMD-SV). In each component of DESH, 35 of 42 (83.3%) cases with PMD had TMC. We suggest that the TMC is the first change on DESH findings in most iNPH cases, and may be an important part of the pathophysiology of iNPH.
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Affiliation(s)
- Koichi Miyazaki
- Department of Radiology, Kindai University Faculty of Medicine.,Department of Immunology, Osaka City University Graduate School of Medicine
| | - Kazunari Ishii
- Department of Radiology, Kindai University Faculty of Medicine.,Institute of Advanced Clinical Medicine, Kindai University
| | - Kohei Hanaoka
- Institute of Advanced Clinical Medicine, Kindai University
| | - Hayato Kaida
- Department of Radiology, Kindai University Faculty of Medicine
| | - Koichi Nakajima
- Department of Immunology, Osaka City University Graduate School of Medicine
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35
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Otani S, Yamada K, Miyamoto S, Azuma K, Ishii H, Bessho A, Hosokawa S, Kunitoh H, Miyazaki K, Tanaka H, Miura S, Aono H, Nakahara Y, Kusaka K, Hosomi Y, Hamada A, Okamoto H. MA21.11 A Multicenter Phase II Study of Low-Dose Erlotinib in Frail Patients with EGFR Mutation-Positive, Non-Small Cell Lung Cancer: TORG1425. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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36
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Sakai R, Ohmachi K, Sano F, Watanabe R, Takahashi H, Takasaki H, Tanaka M, Hattori Y, Kimura H, Takimoto M, Tachibana T, Tanaka E, Ishii Y, Ishiyama Y, Hagihara M, Miyazaki K, Yamamoto K, Tomita N, Ando K. Bendamustine-120 plus rituximab therapy for relapsed or refractory follicular lymphoma: a multicenter phase II study. Ann Hematol 2019; 98:2131-2138. [DOI: 10.1007/s00277-019-03750-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Accepted: 06/27/2019] [Indexed: 11/30/2022]
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37
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Miyazaki K, Takeuchi T, Yamaguchi M, Asano N, Sawaki A, Imai H, Ono R, Nosaka T, Kobayashi K, Tanaka K, Katayama N. GENE MUTATIONS AND SITES OF INVOLVEMENT IN DUODENAL-TYPE FOLLICULAR LYMPHOMA. Hematol Oncol 2019. [DOI: 10.1002/hon.2_2631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- K. Miyazaki
- Department of Hematology and Oncology; Mie University Graduate School of Medicine; Tsu Japan
| | - T. Takeuchi
- Department of Hematology and Oncology; Mie University Graduate School of Medicine; Tsu Japan
| | - M. Yamaguchi
- Department of Hematology and Oncology; Mie University Graduate School of Medicine; Tsu Japan
| | - N. Asano
- Department of Molecular Diagnostics; Shinshu Medical Center; Suzaka Japan
| | - A. Sawaki
- Department of Hematology and Oncology; Mie University Graduate School of Medicine; Tsu Japan
| | - H. Imai
- Pathology Division; Mie University Hospital; Tsu Japan
| | - R. Ono
- Department of Microbiology and Molecular Genetics; Mie University Graduate School of Medicine; Tsu Japan
| | - T. Nosaka
- Department of Microbiology and Molecular Genetics; Mie University Graduate School of Medicine; Tsu Japan
| | - K. Kobayashi
- Gastroenterology; Matsusaka Chuo General Hospital; Matsusaka Japan
| | - K. Tanaka
- Department of Endoscopy; Mie University Hospital; Tsu Japan
| | - N. Katayama
- Department of Hematology and Oncology; Mie University Graduate School of Medicine; Tsu Japan
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38
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Yamaguchi M, Suzuki R, Oguchi M, Miyazaki K, Taguchi S, Amaki J, Maeda T, Kubota N, Maruyama D, Terui Y, Sekiguchi N, Takizawa J, Tsukamoto H, Murayama T, Ando T, Matsuoka H, Hasegawa M, Wada H, Sakai R, Kameoka Y, Tsukamoto N, Choi I, Masaki Y, Shimada K, Fukuhara N, Utsumi T, Uoshima N, Kagami Y, Asano N, Katayama N. CLINICAL OUTCOMES AND DIAGNOSIS-TO-TREATMENT INTERVAL IN PATIENTS WITH NK/T-CELL LYMPHOMA: 7-YEAR FOLLOW-UP OF THE NKEA STUDY. Hematol Oncol 2019. [DOI: 10.1002/hon.86_2630] [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: 11/09/2022]
Affiliation(s)
- M. Yamaguchi
- Department of Hematology and Oncology; Mie University Graduate School of Medicine; Tsu Japan
| | - R. Suzuki
- Oncology and Hematology; Shimane University Hospital; Izumo Japan
| | - M. Oguchi
- Radiation Oncology; Cancer Institute Hospital of Japanese Foundation for Cancer Research; Tokyo Japan
| | - K. Miyazaki
- Department of Hematology and Oncology; Mie University Graduate School of Medicine; Tsu Japan
| | - S. Taguchi
- Radiation Oncology; Cancer Institute Hospital of Japanese Foundation for Cancer Research; Tokyo Japan
| | - J. Amaki
- Hematology and Oncology; Tokai University School of Medicine; Kanagawa Japan
| | - T. Maeda
- Hematology; Kurashiki Central Hospital; Kurashiki Japan
| | - N. Kubota
- Hematology; Saitama Cancer Center; Ina Japan
| | - D. Maruyama
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - Y. Terui
- Hematology Oncology; Cancer Institute Hospital of Japanese Foundation for Cancer Research; Tokyo Japan
| | - N. Sekiguchi
- Comprehensive Cancer Therapy; Shinshu University School of Medicine; Matsumoto Japan
| | - J. Takizawa
- Hematology; Endocrinology and Metabolism, Niigata University Faculty of Medicine; Niigata Japan
| | - H. Tsukamoto
- Hematology; Showa University School of Medicine; Tokyo Japan
| | - T. Murayama
- Hematology; Hyogo Cancer Center; Akashi Japan
| | - T. Ando
- Hematology; Respiratory Medicine and Oncology, Saga University; Saga Japan
| | - H. Matsuoka
- Medical Oncology/Hematology; Kobe University; Kobe Japan
| | - M. Hasegawa
- Radiation Oncology; Nara Medical University; Kashihara Japan
| | - H. Wada
- Hematology; Kawasaki Medical School; Kurashiki Japan
| | - R. Sakai
- Medical Oncology; Kanagawa Cancer Center; Yokohama Japan
| | - Y. Kameoka
- Hematology; Nephrology and Rheumatology, Akita University; Akita Japan
| | - N. Tsukamoto
- Oncology Center; Gunma University Hospital; Maebashi Japan
| | - I. Choi
- Hematology; National Hospital Organization Kyushu Cancer Center; Fukuoka Japan
| | - Y. Masaki
- Hematology and Immunology; Kanazawa Medical University; Kanazawa Japan
| | - K. Shimada
- Hematology and Oncology; Nagoya University School of Medicine; Nagoya Japan
| | - N. Fukuhara
- Hematology & Rheumatology; Tohoku University School of Medicine; Sendai Japan
| | - T. Utsumi
- Hematology; Shiga Medical Center for Adults; Moriyama Japan
| | - N. Uoshima
- Hematology; Japanese Red Cross Kyoto Daini Hospital; Kyoto Japan
| | - Y. Kagami
- Hematology; Toyota Kosei Hospital; Toyota Japan
| | - N. Asano
- Molecular Diagnostics; Shinshu Medical Center; Suzaka Japan
| | - N. Katayama
- Department of Hematology and Oncology; Mie University Graduate School of Medicine; Tsu Japan
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Ahn JK, Beckford B, Beechert J, Bryant K, Campbell M, Chen SH, Comfort J, Dona K, Hara N, Haraguchi H, Hsiung YB, Hutcheson M, Inagaki T, Kamiji I, Kawasaki N, Kim EJ, Kim JL, Kim YJ, Ko JW, Komatsubara TK, Kotera K, Kurilin AS, Lee JW, Lim GY, Lin C, Lin Q, Luo Y, Ma J, Maeda Y, Mari T, Masuda T, Matsumura T, Mcfarland D, McNeal N, Micallef J, Miyazaki K, Murayama R, Naito D, Nakagiri K, Nanjo H, Nishimiya H, Nomura T, Ohsugi M, Okuno H, Sasaki M, Sasao N, Sato K, Sato T, Sato Y, Schamis H, Seki S, Shimizu N, Shimogawa T, Shinkawa T, Shinohara S, Shiomi K, Su S, Sugiyama Y, Suzuki S, Tajima Y, Taylor M, Tecchio M, Togawa M, Tung YC, Wah YW, Watanabe H, Woo JK, Yamanaka T, Yoshida HY. Search for K_{L}→π^{0}νν[over ¯] and K_{L}→π^{0}X^{0} Decays at the J-PARC KOTO Experiment. Phys Rev Lett 2019; 122:021802. [PMID: 30720307 DOI: 10.1103/physrevlett.122.021802] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 12/14/2018] [Indexed: 06/09/2023]
Abstract
A search for the rare decay K_{L}→π^{0}νν[over ¯] was performed. With the data collected in 2015, corresponding to 2.2×10^{19} protons on target, a single event sensitivity of (1.30±0.01_{stat}±0.14_{syst})×10^{-9} was achieved and no candidate events were observed. We set an upper limit of 3.0×10^{-9} for the branching fraction of K_{L}→π^{0}νν[over ¯] at the 90% confidence level (C.L.), which improved the previous limit by almost an order of magnitude. An upper limit for K_{L}→π^{0}X^{0} was also set as 2.4×10^{-9} at the 90% C.L., where X^{0} is an invisible boson with a mass of 135 MeV/c^{2}.
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Affiliation(s)
- J K Ahn
- Department of Physics, Korea University, Seoul 02841, Republic of Korea
| | - B Beckford
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - J Beechert
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - K Bryant
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - M Campbell
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - S H Chen
- Department of Physics, National Taiwan University, Taipei, Taiwan 10617, Republic of China
| | - J Comfort
- Department of Physics, Arizona State University, Tempe, Arizona 85287, USA
| | - K Dona
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - N Hara
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - H Haraguchi
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Y B Hsiung
- Department of Physics, National Taiwan University, Taipei, Taiwan 10617, Republic of China
| | - M Hutcheson
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - T Inagaki
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - I Kamiji
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - N Kawasaki
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - E J Kim
- Division of Science Education, Chonbuk National University, Jeonju 54896, Republic of Korea
| | - J L Kim
- Department of Physics, Korea University, Seoul 02841, Republic of Korea
| | - Y J Kim
- Department of Physics, Jeju National University, Jeju 63243, Republic of Korea
| | - J W Ko
- Department of Physics, Jeju National University, Jeju 63243, Republic of Korea
| | - T K Komatsubara
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
- J-PARC Center, Tokai, Ibaraki 319-1195, Japan
| | - K Kotera
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - A S Kurilin
- Laboratory of Nuclear Problems, Joint Institute for Nuclear Researches, Dubna, Moscow region 141980, Russia
| | - J W Lee
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - G Y Lim
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
- J-PARC Center, Tokai, Ibaraki 319-1195, Japan
| | - C Lin
- Department of Physics, National Taiwan University, Taipei, Taiwan 10617, Republic of China
| | - Q Lin
- Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, USA
| | - Y Luo
- Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, USA
| | - J Ma
- Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, USA
| | - Y Maeda
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - T Mari
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - T Masuda
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - T Matsumura
- Department of Applied Physics, National Defense Academy, Kanagawa 239-8686, Japan
| | - D Mcfarland
- Department of Physics, Arizona State University, Tempe, Arizona 85287, USA
| | - N McNeal
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - J Micallef
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - K Miyazaki
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - R Murayama
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - D Naito
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - K Nakagiri
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - H Nanjo
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - H Nishimiya
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - T Nomura
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
- J-PARC Center, Tokai, Ibaraki 319-1195, Japan
| | - M Ohsugi
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - H Okuno
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - M Sasaki
- Department of Physics, Yamagata University, Yamagata 990-8560, Japan
| | - N Sasao
- Research Institute for Interdisciplinary Science, Okayama University, Okayama 700-8530, Japan
| | - K Sato
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - T Sato
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - Y Sato
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - H Schamis
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - S Seki
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - N Shimizu
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - T Shimogawa
- Department of Physics, Saga University, Saga 840-8502, Japan
| | - T Shinkawa
- Department of Applied Physics, National Defense Academy, Kanagawa 239-8686, Japan
| | - S Shinohara
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - K Shiomi
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
- J-PARC Center, Tokai, Ibaraki 319-1195, Japan
| | - S Su
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - Y Sugiyama
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - S Suzuki
- Department of Physics, Saga University, Saga 840-8502, Japan
| | - Y Tajima
- Department of Physics, Yamagata University, Yamagata 990-8560, Japan
| | - M Taylor
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - M Tecchio
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - M Togawa
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Y C Tung
- Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, USA
| | - Y W Wah
- Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, USA
| | - H Watanabe
- Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
- J-PARC Center, Tokai, Ibaraki 319-1195, Japan
| | - J K Woo
- Department of Physics, Jeju National University, Jeju 63243, Republic of Korea
| | - T Yamanaka
- Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - H Y Yoshida
- Department of Physics, Yamagata University, Yamagata 990-8560, Japan
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Miyazaki K, Sekiya T, Fu D, Bowman KW, Kulawik SS, Sudo K, Walker T, Kanaya Y, Takigawa M, Ogochi K, Eskes H, Boersma KF, Thompson AM, Gaubert B, Barre J, Emmons LK. Balance of Emission and Dynamical Controls on Ozone During the Korea-United States Air Quality Campaign From Multiconstituent Satellite Data Assimilation. J Geophys Res Atmos 2019; 124:387-413. [PMID: 31007989 PMCID: PMC6472638 DOI: 10.1029/2018jd028912] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 10/29/2018] [Accepted: 11/06/2018] [Indexed: 05/05/2023]
Abstract
Global multiconstituent concentration and emission fields obtained from the assimilation of the satellite retrievals of ozone, CO, NO2, HNO3, and SO2 from the Ozone Monitoring Instrument (OMI), Global Ozone Monitoring Experiment 2, Measurements of Pollution in the Troposphere, Microwave Limb Sounder, and Atmospheric Infrared Sounder (AIRS)/OMI are used to understand the processes controlling air pollution during the Korea-United States Air Quality (KORUS-AQ) campaign. Estimated emissions in South Korea were 0.42 Tg N for NO x and 1.1 Tg CO for CO, which were 40% and 83% higher, respectively, than the a priori bottom-up inventories, and increased mean ozone concentration by up to 7.5 ± 1.6 ppbv. The observed boundary layer ozone exceeded 90 ppbv over Seoul under stagnant phases, whereas it was approximately 60 ppbv during dynamical conditions given equivalent emissions. Chemical reanalysis showed that mean ozone concentration was persistently higher over Seoul (75.10 ± 7.6 ppbv) than the broader KORUS-AQ domain (70.5 ± 9.2 ppbv) at 700 hPa. Large bias reductions (>75%) in the free tropospheric OH show that multiple-species assimilation is critical for balanced tropospheric chemistry analysis and emissions. The assimilation performance was dependent on the particular phase. While the evaluation of data assimilation fields shows an improved agreement with aircraft measurements in ozone (to less than 5 ppbv biases), CO, NO2, SO2, PAN, and OH profiles, lower tropospheric ozone analysis error was largest at stagnant conditions, whereas the model errors were mostly removed by data assimilation under dynamic weather conditions. Assimilation of new AIRS/OMI ozone profiles allowed for additional error reductions, especially under dynamic weather conditions. Our results show the important balance of dynamics and emissions both on pollution and the chemical assimilation system performance.
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Affiliation(s)
- K. Miyazaki
- Japan Agency for Marine‐Earth Science and TechnologyYokohamaJapan
| | - T. Sekiya
- Japan Agency for Marine‐Earth Science and TechnologyYokohamaJapan
| | - D. Fu
- Jet Propulsion LaboratoryCalifornia Institute of TechnologyPasadenaCAUSA
| | - K. W. Bowman
- Jet Propulsion LaboratoryCalifornia Institute of TechnologyPasadenaCAUSA
| | - S. S. Kulawik
- Bay Area Environmental Research InstituteSonomaCAUSA
| | - K. Sudo
- Japan Agency for Marine‐Earth Science and TechnologyYokohamaJapan
- Graduate School of Environmental StudiesNagoya UniversityNagoyaJapan
| | - T. Walker
- Department of Civil and Environmental EngineeringCarleton UniversityOttawaOntarioCanada
| | - Y. Kanaya
- Japan Agency for Marine‐Earth Science and TechnologyYokohamaJapan
| | - M. Takigawa
- Japan Agency for Marine‐Earth Science and TechnologyYokohamaJapan
| | - K. Ogochi
- Japan Agency for Marine‐Earth Science and TechnologyYokohamaJapan
| | - H. Eskes
- Royal Netherlands Meteorological Institute (KNMI)De BiltNetherlands
| | - K. F. Boersma
- Royal Netherlands Meteorological Institute (KNMI)De BiltNetherlands
- Meteorological and Air Quality DepartmentWageningen UniversityWageningenNetherlands
| | | | - B. Gaubert
- Atmospheric Chemistry Observations and& Modeling (ACOM) LaboratoryNational Center for Atmospheric ResearchBoulderCOUSA
| | - J. Barre
- European Centre for Medium‐Range Weather ForecastsReadingUK
| | - L. K. Emmons
- Atmospheric Chemistry Observations and& Modeling (ACOM) LaboratoryNational Center for Atmospheric ResearchBoulderCOUSA
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Gomi A, Yamaji K, Watanabe O, Yoshioka M, Miyazaki K, Iwama Y, Urita Y. Bifidobacterium bifidum YIT 10347 fermented milk exerts beneficial effects on gastrointestinal discomfort and symptoms in healthy adults: A double-blind, randomized, placebo-controlled study. J Dairy Sci 2018; 101:4830-4841. [PMID: 29573807 DOI: 10.3168/jds.2017-13803] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [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: 09/08/2017] [Accepted: 02/02/2018] [Indexed: 12/27/2022]
Abstract
In a preliminary open-label trial by our group, Bifidobacterium bifidum YIT 10347 (YIT10347) relieved gastric symptoms in patients with functional gastrointestinal disorders. Hence, in this study, we investigated the effects of YIT10347 on gastrointestinal symptoms in healthy adults. In this prospective double-blind, randomized, placebo-controlled trial (UMIN000024654), 100 healthy Japanese adults were randomly assigned to a YIT10347 group or placebo group and consumed 100 mL of YIT10347-fermented milk or placebo fermented milk, respectively, every day for 4 wk. Gastrointestinal symptoms were evaluated by using the modified Frequency Scale for Symptoms of Gastroesophageal Reflux Disease (m-FSSG) and Gastrointestinal Symptom Rating Scale (GSRS) as primary endpoints. Mental symptoms, quality of life, salivary stress markers, and gastric emptying were evaluated as secondary endpoints. Effectiveness and safety were analyzed in a per-protocol set (YIT10347 group, n = 39; placebo group, n = 40) and full analysis set (YIT10347 group, n = 50; placebo group, n = 50), respectively. In the m-FSSG evaluation, the YIT10347 group had a significantly higher relief rate of postprandial discomfort and greater changes in postprandial epigastric pain score from baseline than the placebo group. In the GSRS evaluation, the YIT10347 group had significantly higher relief rates of overall gastrointestinal symptoms, upper gastrointestinal symptoms, flatus, and diarrhea than the placebo group. We detected no significant differences in scores or relief rates of mental symptoms and quality of life, a salivary stress marker, or gastric emptying between the 2 groups. No severe adverse events associated with test beverage consumption were observed in either group. These findings suggest that daily consumption of YIT10347-fermented milk exerts beneficial effects on gastrointestinal discomfort and symptoms such as postprandial discomfort and epigastric pain in healthy adults.
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Affiliation(s)
- A Gomi
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan.
| | - K Yamaji
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - O Watanabe
- Faculty of Research and Development, Yakult Honsha, 1-19 Higashi Shimbashi, Minato-ku, Tokyo 105-8660, Japan
| | - M Yoshioka
- Faculty of Research and Development, Yakult Honsha, 1-19 Higashi Shimbashi, Minato-ku, Tokyo 105-8660, Japan
| | - K Miyazaki
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - Y Iwama
- Nihonbashi Cardiology Clinic, Kyodo Bldg. #201, 13-4 Nihonbashi Kodenmacho, Chuo-ku, Tokyo 103-0001, Japan
| | - Y Urita
- Department of General Medicine and Emergency Care, Toho University School of Medicine, 6-11-1 Omori-Nishi, Ota-ku, Tokyo 143-8541, Japan
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Nagino T, Kaga C, Kano M, Masuoka N, Anbe M, Moriyama K, Maruyama K, Nakamura S, Shida K, Miyazaki K. Effects of fermented soymilk with Lactobacillus casei Shirota on skin condition and the gut microbiota: a randomised clinical pilot trial. Benef Microbes 2018; 9:209-218. [DOI: 10.3920/bm2017.0091] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Several clinical studies have shown that isoflavones and Lactobacillus casei Shirota (LcS) have beneficial effects on skin condition and the gut microbiota, respectively. Thus, we investigated the effects of consecutive intake of fermented soymilk (FSM) with LcS on skin condition and the gut microbiota, as well as isoflavone bioavailability, in a randomised, double-blind, placebo-controlled trial as a pilot study. Sixty healthy premenopausal Japanese women received FSM containing a moderate level of isoflavone aglycones and a probiotic LcS, or soymilk (SM) containing neither of them, twice a day for 8 weeks. Skin condition was assessed by a subjective questionnaire for face and morphological analysis of the stratum corneum on the inner forearm. Faecal microbiota and urinary isoflavone were analysed by 16S rRNA gene amplicon sequencing and high-performance liquid chromatography tandem mass spectrometry, respectively. Both the FSM and SM groups had improved skin condition as assessed from scores of overall satisfaction, dryness, moisture, elasticity, coarseness, pigmentation and/or stratum corneum morphology, as well as significantly increased levels of urinary isoflavones during the intake period compared with the pre-intake period, although there were no significant differences between the two groups. There was a significant positive correlation between urinary isoflavone levels and skin questionnaire scores. In contrast, the relative abundance levels of Lactobacillaceae significantly increased and those of Bifidobacteriaceae tended to increase during the intake period compared with the pre-intake period. For the after-intake period they only decreased significantly in the FSM group. The levels of Enterobacteriaceae and Porphyromonadaceae significantly decreased during the intake period in the FSM group. These findings suggest that daily intake of FSM, as well as SM, provides health benefits that improve skin condition via increased levels of isoflavone absorption in the body, and that only FSM beneficially modifies the gut microbiota in premenopausal healthy women.
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Affiliation(s)
- T. Nagino
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - C. Kaga
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - M. Kano
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - N. Masuoka
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - M. Anbe
- Yakult Honsha Co., Ltd., 1-1-19 Higashi-shinbashi, Minato-ku, Tokyo 105-8660, Japan
| | - K. Moriyama
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - K. Maruyama
- RIKEN Innovation Center, Nakamura Laboratory, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - S. Nakamura
- RIKEN Innovation Center, Nakamura Laboratory, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - K. Shida
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - K. Miyazaki
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
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Kusuhara S, Ito M, Sato T, Yokoi W, Yamamoto Y, Harada K, Ikemura H, Miyazaki K. Intracellular GSH of Streptococcus thermophilus shows anti-oxidative activity against low-density lipoprotein oxidation in vitro and in a hyperlipidaemic hamster model. Benef Microbes 2018; 9:143-152. [DOI: 10.3920/bm2017.0065] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Streptococcus thermophilus YIT 2001 (ST-1), a lactic acid bacterial strain, was shown to have inhibitory effects on the oxidation of low-density lipoprotein (LDL) and the development of aortic fatty lesions in an animal model, and lower the serum levels of malondialdehyde-modified LDL, an oxidative modification product of LDL, in a clinical trial. This study aimed to identify the intracellular active component of ST-1 associated with anti-oxidative activity against LDL oxidation. High-performance liquid chromatography-electrospray ionisation mass spectrometry analysis after fractionation of the cellular extract by reversed-phase chromatography demonstrated that the active fraction contained reduced glutathione (GSH). GSH showed anti-oxidative activity in a dose-dependent manner, while this activity disappeared following thiol derivatisation. ST-1 had the strongest anti-oxidative activity against LDL oxidation and the highest level of intracellular GSH among five strains of S. thermophilus. In addition, the anti-oxidative activity of ST-1 after thiol derivatisation decreased by about half, which was similar to that of three other strains containing poor or no intracellular GSH or thiol components. Moreover, anti-oxidative activity against LDL oxidation was observed in hyperlipidaemic hamsters fed with high GSH ST-1 cells but not in those given low GSH cells. These findings suggest that intracellular GSH in ST-1 may provide beneficial effects via anti-oxidative activity against LDL oxidation and excess oxidative stress in the blood.
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Affiliation(s)
- S. Kusuhara
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - M. Ito
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - T. Sato
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - W. Yokoi
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - Y. Yamamoto
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - K. Harada
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - H. Ikemura
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - K. Miyazaki
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
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44
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Nakai S, Nakatsuka M, Fujita H, Miyanaga N, Jitsuno T, Kanabe T, Izawa Y, Norimatsu T, Takagi M, Yamanaka T, Kato Y, Azechi H, Nishimura H, Shiraga H, Nakai M, Tanaka K, Kodama R, Takabe H, Nishihara K, Mima K, Kitagawa Y, Sakabe S, Yamanaka M, Kosaki Y, Yamanaka C, Sasaki T, Mori Y, Miyazaki K, Nishikawa M, Kan H, Hiruma T, Soman Y, Ito H, Perlado J, Alonso E, Munoz E, Sanz J. Laser Fusion Research at Ile Osaka University. ACTA ACUST UNITED AC 2018. [DOI: 10.13182/fst96-a11963008] [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] [Indexed: 11/12/2022]
Affiliation(s)
- S. Nakai
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - M. Nakatsuka
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - H. Fujita
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - N. Miyanaga
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - T. Jitsuno
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - T. Kanabe
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - Y. Izawa
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - T. Norimatsu
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - M. Takagi
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - T. Yamanaka
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - Y. Kato
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - H. Azechi
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - H. Nishimura
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - H. Shiraga
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - M. Nakai
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - K.A. Tanaka
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - R. Kodama
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - H. Takabe
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - K. Nishihara
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - K. Mima
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - Y. Kitagawa
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - S. Sakabe
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - M. Yamanaka
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - Y. Kosaki
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - C. Yamanaka
- Institute of Laser Engineering, Osaka University 2-6 Yamada-oka, Suita, Osaka 565 Japan
| | - T. Sasaki
- Faculy of Engineering, Osaka University 2-1 Yamada-oka, Suita, Osaka 565 Japan
| | - Y. Mori
- Faculy of Engineering, Osaka University 2-1 Yamada-oka, Suita, Osaka 565 Japan
| | - K. Miyazaki
- Faculy of Engineering, Osaka University 2-1 Yamada-oka, Suita, Osaka 565 Japan
| | - M. Nishikawa
- Faculy of Engineering, Osaka University 2-1 Yamada-oka, Suita, Osaka 565 Japan
| | - H. Kan
- Hamamatsu Photonics K.K. 5000 Hirakuchi, Hamakita, Shizuoka 434 Japan
| | - T. Hiruma
- Hamamatsu Photonics K.K. 5000 Hirakuchi, Hamakita, Shizuoka 434 Japan
| | - Y. Soman
- Mitsubishi Heavy Industries. Ltd. 1-1-1 Wadasaki-cho, Hyogo-ku, Kobe 562 Japan
| | - H. Ito
- Kawasaki Heavy Industries. Ltd. 2-4-25 Minamisuna, Koto-ku, Tokyo 136 Japan
- Members of Laser Fusion Reactor Committee of Laser Society of Japan
| | - J.M. Perlado
- Instituto de Fusion Nuclear, Universidad Politecnica de Madrid 28006 Madrid Spain
| | - E. Alonso
- Instituto de Fusion Nuclear, Universidad Politecnica de Madrid 28006 Madrid Spain
| | - E. Munoz
- Instituto de Fusion Nuclear, Universidad Politecnica de Madrid 28006 Madrid Spain
| | - J. Sanz
- Instituto de Fusion Nuclear, Universidad Politecnica de Madrid 28006 Madrid Spain
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45
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Takada M, Nishida K, Gondo Y, Kikuchi-Hayakawa H, Ishikawa H, Suda K, Kawai M, Hoshi R, Kuwano Y, Miyazaki K, Rokutan K. Beneficial effects of Lactobacillus casei strain Shirota on academic stress-induced sleep disturbance in healthy adults: a double-blind, randomised, placebo-controlled trial. Benef Microbes 2017; 8:153-162. [PMID: 28443383 DOI: 10.3920/bm2016.0150] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The present study examined whether Lactobacillus casei strain Shirota (LcS) improves sleep quality under psychological stress. A double-blind, placebo-controlled trial was conducted in healthy 4th year medical students exposed to academic examination stress. The trial was repeated over two consecutive years in different groups of students, and the data were pooled. For 8 weeks prior to and 3 weeks after a national standardised examination, a total of 48 and 46 subjects received a daily dose of 100 ml of LcS-fermented milk or non-fermented placebo milk, respectively. Study measures included subjective anxiety, overnight single-channel electroencephalography (EEG) recordings, and the Oguri-Shirakawa-Azumi (OSA) sleep inventory scores of subjective sleep quality. Total OSA scores were significantly lower than baseline on the day before the exam and recovered after the exam, indicating a stress-induced decline in sleep quality. There was a significant positive effect of LcS treatment on OSA factors for sleepiness on rising and sleep length. Sleep latency measured by EEG lengthened as the exam approached in the placebo group but was significantly suppressed in the LcS group. The percentage of stage 3 non-REM (N3) sleep decreased in the placebo group as the exam approached, whereas it was maintained in the LcS group throughout the trial. Delta power during the first sleep cycle, measured as an index of sleep intensity, increased as the exam approached in the LcS group and was significantly higher than in the placebo group. These findings suggest that daily consumption of LcS may help to maintain sleep quality during a period of increasing stress. The observed retention of N3 sleep and increased delta power in the LcS group may have contributed to higher perceived sleep satisfaction.
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Affiliation(s)
- M Takada
- 1 Yakult Central Institute, 5-11 Izumi, Kunitachi, Tokyo 186-8650, Japan
| | - K Nishida
- 2 Department of Pathophysiology, Institute of Biomedical Sciences, Tokushima University Graduate School, 3-18-15 Kuramoto, Tokushima, Tokushima 770-8503, Japan
| | - Y Gondo
- 1 Yakult Central Institute, 5-11 Izumi, Kunitachi, Tokyo 186-8650, Japan
| | - H Kikuchi-Hayakawa
- 1 Yakult Central Institute, 5-11 Izumi, Kunitachi, Tokyo 186-8650, Japan
| | - H Ishikawa
- 1 Yakult Central Institute, 5-11 Izumi, Kunitachi, Tokyo 186-8650, Japan
| | - K Suda
- 1 Yakult Central Institute, 5-11 Izumi, Kunitachi, Tokyo 186-8650, Japan
| | - M Kawai
- 1 Yakult Central Institute, 5-11 Izumi, Kunitachi, Tokyo 186-8650, Japan
| | - R Hoshi
- 3 Faculty of Research and Development, Yakult Honsha Co., Ltd., 1-1-19 Higashi-Shimbashi, Minato, Tokyo 105-8660, Japan
| | - Y Kuwano
- 2 Department of Pathophysiology, Institute of Biomedical Sciences, Tokushima University Graduate School, 3-18-15 Kuramoto, Tokushima, Tokushima 770-8503, Japan
| | - K Miyazaki
- 1 Yakult Central Institute, 5-11 Izumi, Kunitachi, Tokyo 186-8650, Japan
| | - K Rokutan
- 2 Department of Pathophysiology, Institute of Biomedical Sciences, Tokushima University Graduate School, 3-18-15 Kuramoto, Tokushima, Tokushima 770-8503, Japan
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Wang X, Li Y, Zhang X, Li H, Miyazaki K, Fujimoto R, Akiyama H, Gillin MT, Poenisch F, Sahoo N, Grosshans D, Gunn B, Frank SJ, Wang P, Lang J, Hou Q, Zhu XR. Synchrotron-Based Pencil Beam Scanning Nozzle with an Integrated Mini-Ridge Filter: A Dosimetric Study to Optimize Treatment Delivery. Cancers (Basel) 2017; 9:cancers9120170. [PMID: 29236051 PMCID: PMC5742818 DOI: 10.3390/cancers9120170] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 12/05/2017] [Accepted: 12/11/2017] [Indexed: 12/26/2022] Open
Abstract
A mini-ridge filter is often used to widen the Bragg peak in the longitudinal direction at low energies but not high energies. To facilitate the clinical use of a mini-ridge filter, we performed a planning study for the feasibility of a mini-ridge filter as an integral part of the synchrotron nozzle (IMRF). Dose models with and without IMRF were commissioned in a commercial Treatment planning system (TPS). Dosimetric characteristics in a homogenous water phantom were compared between plans with and without IMRF for a fixed spread-out Bragg peak width of 4 cm with distal ranges varying from 8 to 30 g/cm2. Six clinical cases were then used to compare the plan quality between plans. The delivery efficiency was also compared between plans in both the phantom and the clinical cases. The Bragg peak width was increased by 0.18 cm at the lowest energy and by only about 0.04 cm at the highest energy. The IMRF increased the spot size (σ) by up to 0.1 cm at the lowest energy and by only 0.02 cm at the highest energy. For the phantom, the IMRF negligibly affected dose at high energies but increased the lateral penumbra by up to 0.12 cm and the distal penumbra by up to 0.06 cm at low energies. For the clinical cases, the IMRF slightly increased dose to the organs at risk. However, the beam delivery time was reduced from 18.5% to 47.1% for the lung, brain, scalp, and head and neck cases, and dose uniformities of target were improved up to 2.9% for these cases owing to the reduced minimum monitor unit effect. In conclusion, integrating a mini-ridge filter into a synchrotron nozzle is feasible for improving treatment efficiency without significantly sacrificing the plan quality.
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Affiliation(s)
- Xianliang Wang
- Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA.
- Department of Radiation Oncology, Sichuan Cancer Hospital & Institute, Chengdu 610041, China.
- Key Laboratory of Radiation Physics and Technology, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.
| | - Yupeng Li
- Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA.
| | - Xiaodong Zhang
- Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA.
| | - Heng Li
- Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA.
| | - Koichi Miyazaki
- Research & Development Group, Hitachi, Ltd., Hitachi-shi, Ibaraki-ken 3178511, Japan.
| | - Rintaro Fujimoto
- Research & Development Group, Hitachi, Ltd., Hitachi-shi, Ibaraki-ken 3178511, Japan.
| | - Hiroshi Akiyama
- Healthcare Business Unit, Particle Therapy Division, Hitachi, Ltd., Hitachi-shi, Ibaraki-ken 3178511, Japan.
| | - Michael T Gillin
- Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA.
| | - Falk Poenisch
- Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA.
| | - Narayan Sahoo
- Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA.
| | - David Grosshans
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
| | - Brandon Gunn
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
| | - Steven Jay Frank
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
| | - Pei Wang
- Department of Radiation Oncology, Sichuan Cancer Hospital & Institute, Chengdu 610041, China.
| | - Jinyi Lang
- Department of Radiation Oncology, Sichuan Cancer Hospital & Institute, Chengdu 610041, China.
| | - Qing Hou
- Key Laboratory of Radiation Physics and Technology, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.
| | - Xiaorong Ronald Zhu
- Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA.
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47
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Shimokawa T, Nakamura Y, Iwasawa S, Miyazaki K, Yamanaka T, Takiguchi Y, Okamoto H. P2.07-042 Feasibility Study of Nivolumab and Docetaxel in Previously Treated Patients with Advanced Non-Small Cell Lung Cancer. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.11.101] [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: 11/28/2022]
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48
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Okada K, Doi Y, Sawabe H, Sakatani A, Miyazaki K, Okuda K, Kume K, Nishio M, Hirooka K, Hayashi T. Clinical Utility of Reduced Heart Rate Recovery After Exercise in Elderly Patients With Chronic Heart Failure. J Card Fail 2017. [DOI: 10.1016/j.cardfail.2017.08.364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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49
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Minakawa E, Miyazaki K, Maruo K, Yagihara H, Fujita H, Wada K, Nagai Y. Chronic sleep fragmentation aggravates amyloid β pathology in Alzheimer’s disease model mice. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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50
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Miyazaki K, Sato Y, Hanaoka H, Uyama Y. Current Status and Open Issues Concerning Global Clinical Trials (GCTs) in Japan and East Asia. Clin Transl Sci 2017; 10:503-508. [PMID: 28675655 PMCID: PMC5673925 DOI: 10.1111/cts.12485] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Accepted: 05/29/2017] [Indexed: 01/31/2023] Open
Abstract
When global clinical trials are carried out, it is important to consider the influence of racial and ethnic differences on the outcome. From this viewpoint, global clinical trials in East Asia, where racial differences are estimated to be small, are now attracting close attention. Under such circumstances, we conducted a survey using the data registered with ClinicalTrial.gov to investigate the status of participation of East Asian countries in global clinical trials and differences in the regions selected for drug development between Japanese enterprises and non‐Japanese enterprises. This survey revealed that about 90% of all global clinical trials and those involving East Asian countries were sponsored by non‐Japanese enterprises. Global clinical trials involving only East Asia have been accepted as one of the development strategies by Japanese enterprises, but this strategy has not spread widely among non‐Japanese enterprises.
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Affiliation(s)
- Koichi Miyazaki
- Asia Development Department, Daiichi Sankyo Co. Ltd., Tokyo, Japan.,Department of Regulatory Science of Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Yasunori Sato
- Division of Clinical Research Center, Chiba University Hospital, Chiba, Japan
| | - Hideki Hanaoka
- Department of Regulatory Science of Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan.,Division of Clinical Research Center, Chiba University Hospital, Chiba, Japan
| | - Yoshiaki Uyama
- Department of Regulatory Science of Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan.,Office of Medical Informatics and Epidemiology, Pharmaceuticals and Medical Devices Agency (PMDA), Tokyo, Japan
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