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Azuma S, Kawasuji H, Nakai R, Yamada H, Yoshida Y, Kawahara H, Suzuki M, Mori S, Hirata M, Sugie K, Niimi H, Morinaga Y, Yamamoto Y. The fatal case of "Pigmentibacter" bacteremia following aspiration pneumonia in elderly patient. J Infect Chemother 2024:S1341-321X(24)00028-X. [PMID: 38311309 DOI: 10.1016/j.jiac.2024.01.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 01/26/2024] [Accepted: 01/29/2024] [Indexed: 02/09/2024]
Abstract
"Pigmentibacter ruber" was first reported in 2021, a novel bacterium of the family Silvanigrellaceae, isolated from human blood of the patient with aspiration pneumonia after the drowning accident in Republic of China. However, until now, there is only one report describing "P. ruber" infection, and no case of isolation from natural environment has been reported so far. Thus, the infectivity and pathogenicity of "Pigmentibacter" spp. has not been clearly understood. In this report, we described the fatal case of "Pigmentibacter" bacteremia subsequently occurred after aspiration pneumonia probably due to accidental ingestion of irrigation water in the elderly patient. Despite administration of broad-spectrum antibiotic, the patient dramatically deteriorated and eventually deceased. Whole-genome sequencing showed the strain isolated from the patient was identified as "Pigmentibacter" sp. (designated as strain Takaoka) and antimicrobial sensitivity testing showed it displayed high minimum inhibitory concentrations against various antibiotics including β-lactam. Further studies are needed to clarify the clinical characteristics of "Pigmentibacter" and its relative's infections and their antimicrobial sensitivity; however, the present case supported the clinical characteristics of "Pigmentibacter" infection, which can lead to bacteremia following aspiration pneumonia caused by mis-swallowing contaminated water, and poor outcome potentially due to multidrug resistances.
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Affiliation(s)
- Shigeru Azuma
- Department of Internal Medicine, Takaoka City Hospital, Takaoka, Japan
| | - Hitoshi Kawasuji
- Department of Clinical Infectious Diseases, Toyama University Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| | - Ryosuke Nakai
- Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Sapporo, Japan
| | - Hiroshi Yamada
- Department of Microbiology, Toyama University Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| | - Yoshihiro Yoshida
- Department of Microbiology, Toyama University Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| | - Hiroyuki Kawahara
- Department of Internal Medicine, Takaoka City Hospital, Takaoka, Japan
| | - Mai Suzuki
- Department of Internal Medicine, Takaoka City Hospital, Takaoka, Japan
| | - Shunsuke Mori
- Department of Internal Medicine, Takaoka City Hospital, Takaoka, Japan
| | - Masayoshi Hirata
- Department of Internal Medicine, Takaoka City Hospital, Takaoka, Japan
| | - Kazushige Sugie
- Department of Clinical Laboratory and Molecular Pathology, Toyama University Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| | - Hideki Niimi
- Department of Clinical Laboratory and Molecular Pathology, Toyama University Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan; Clinical and Research Center for Infectious Diseases, Toyama University Hospital, Toyama, Japan
| | - Yoshitomo Morinaga
- Department of Microbiology, Toyama University Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan; Clinical and Research Center for Infectious Diseases, Toyama University Hospital, Toyama, Japan.
| | - Yoshihiro Yamamoto
- Department of Clinical Infectious Diseases, Toyama University Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan; Clinical and Research Center for Infectious Diseases, Toyama University Hospital, Toyama, Japan.
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Nguyen TV, Kim Do LT, Namula Z, Lin QY, Torigoe N, Nagahara M, Hirata M, Tanihara F, Otoi TBIRCTUTJ. Vitrified before and after genome editing via electroporation. Cryo Letters 2023; 44:118-122. [PMID: 37883162] [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: 10/27/2023]
Abstract
BACKGROUND Cryopreservation of bovine zygotes allows for a flexible schedule of genome editing via electroporation. However, vitrification-induced cell membrane damage may not only affect embryonic development but also genome mutation. OBJECTIVE To investigate the effects of vitrification of zygotes before and after electroporation treatments on the development and genome mutation of bovine presumptive zygotes. MATERIALS AND METHODS In vitro-derived bovine zygotes were electroporated with the CRISPR/Cas9 system immediately (Vitrified-EP) or 2 h after incubation (Vitrified-2h-EP) following vitrification and warming, or electroporated before vitrification (EP-vitrified). RESULTS The development rates of vitrified-warmed zygotes were significantly lower (p < 0.05) than those of control zygotes that were not vitrified. Moreover, no differences were observed in the mutation rates and mutation efficiency of the blastocysts resulting from electroporated zygotes, irrespective of the timing of electroporation treatment. CONCLUSION Our results suggest that vitrification before and after electroporation treatments does not affect the genome editing of zygotes.
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Affiliation(s)
- T V Nguyen
- Faculty of Veterinary Medicine, Vietnam National University of Agriculture, 100000 Hanoi, Vietnam; Bio-Innovation Research Center, Tokushima University, 7793233 Tokushima, Japan
| | - L T Kim Do
- Faculty of Veterinary Medicine, Vietnam National University of Agriculture, 100000 Hanoi, Vietnam; Bio-Innovation Research Center, Tokushima University, 7793233 Tokushima, Japan.
| | - Z Namula
- College of Coastal Agricultural Sciences, Guangdong Ocean University, 524088 Zhanjiang, China; Bio-Innovation Research Center, Tokushima University, 7793233 Tokushima, Japan
| | - Q Y Lin
- Bio-Innovation Research Center, Tokushima University, 7793233 Tokushima, Japan; Faculty of Bioscience and Bioindustry, Tokushima University, 7793233 Tokushima, Japan
| | - N Torigoe
- Bio-Innovation Research Center, Tokushima University, 7793233 Tokushima, Japan; Faculty of Bioscience and Bioindustry, Tokushima University, 7793233 Tokushima, Japan
| | - M Nagahara
- Bio-Innovation Research Center, Tokushima University, 7793233 Tokushima, Japan; Faculty of Bioscience and Bioindustry, Tokushima University, 7793233 Tokushima, Japan
| | - M Hirata
- Bio-Innovation Research Center, Tokushima University, 7793233 Tokushima, Japan; Faculty of Bioscience and Bioindustry, Tokushima University, 7793233 Tokushima, Japan
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Hara S, Yamaguchi Y, Zoshima T, Mizushima I, Yamada K, Inoue R, Muto H, Mizutomi K, Hirata M, Araki H, Miyazaki R, Kawano M. Central fibrous area in the glomerular vascular pole consists of fibrous collagens and is associated with advanced age: a cross-sectional study. BMC Nephrol 2022; 23:204. [PMID: 35690711 PMCID: PMC9188109 DOI: 10.1186/s12882-022-02835-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 05/18/2022] [Indexed: 11/23/2022] Open
Abstract
Background For the optimal management of patients with both allograft kidneys and native kidney diseases, the recognition of the histological features associated with older age is important. This is because most pathological findings are non-specific. Central fibrous areas (CFAs) have recently been proposed to be age-related. However, the components of CFAs and whether CFAs are observed in various kidney diseases remain undetermined. This cross-sectional study was undertaken to clarify the histological features, epidemiology, and clinicopathological features of CFAs. Methods One hundred and one consecutive kidney needle biopsy specimens were retrospectively collected from seven facilities in the Hokuriku region and diagnosed at the Kanazawa University Hospital in 2015. First, the components of CFAs were analyzed using normal histostaining, immunostaining, and electron microscopy. Second, the patients were divided into two groups (CFA [+] or CFA [−]) according to the presence of CFA in the obtained samples. Clinical and histological features were compared between the two groups, and factors associated with CFA formation were determined using univariate and multivariate analyses. The number of CFAs per specimen was counted in the CFA (+) group. Third, the presence of myofibroblasts in CFA was examined by immunostaining. Results CFAs were observed in 56 of 101 patients (55.4%) with various kidney diseases. CFAs consist of fibrillar collagens (collagen I and III) in addition to non-fibrillar collagens (collagen IV and VI), as confirmed by electron microscopy. Clinically, the CFA (+) group was older and had a significantly higher prevalence of hypertension and hyperlipidemia than the CFA (−) group. Histologically, elastofibrosis of the interlobular artery, arteriolar hyalinosis, and membranous nephropathy were significantly more evident in the CFA (+) group than in the CFA (−) group. Multivariate analysis revealed that older age was the sole factor associated with CFA formation. Finally, 27 of 58 (46.6%) CFA-containing glomeruli in 26 cases included alpha-smooth muscle actin-positive cells in or adjacent to the CFA. Conclusions CFAs consist of fibrous collagens in addition to matrix collagens. CFA formation is associated with older age and was observed in various kidney diseases. Supplementary Information The online version contains supplementary material available at 10.1186/s12882-022-02835-2.
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Affiliation(s)
- Satoshi Hara
- Department of Rheumatology, Kanazawa University Graduate School of Medicine, 13-1 Takaramachi, Kanazawa, Ishikawa, Japan.,Medical Education Research Center, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takaramachi, Kanazawa, Ishikawa, Japan
| | - Yutaka Yamaguchi
- Yamaguchi's Pathology Laboratory, 1-31-20Minoridai, Matsudo, Chiba, Japan
| | - Takeshi Zoshima
- Department of Rheumatology, Kanazawa University Graduate School of Medicine, 13-1 Takaramachi, Kanazawa, Ishikawa, Japan
| | - Ichiro Mizushima
- Department of Rheumatology, Kanazawa University Graduate School of Medicine, 13-1 Takaramachi, Kanazawa, Ishikawa, Japan
| | - Kazunori Yamada
- Department of Rheumatology, Kanazawa University Graduate School of Medicine, 13-1 Takaramachi, Kanazawa, Ishikawa, Japan
| | - Ryo Inoue
- Department of Internal Medicine, Saiseikai Kanazawa Hospital, Ni13-6 Akatsuchimachi, Kanazawa, Ishikawa, Japan
| | - Hisao Muto
- Department of Internal Medicine, Hokuriku Central Hospital, 123 Nodera, Oyabe, Toyama, Japan
| | - Kazuaki Mizutomi
- Department of Internal Medicine, Kaga Medical Center, Ri 36 Sakumimachi, Kaga, Ishikawa, Japan
| | - Masayoshi Hirata
- Department of Internal Medicine, Takaoka City Hospital, 4-1 Takaramachi, Takaoka, Toyama, Japan
| | - Hideo Araki
- Department of Nephrology and Rheumatology, Fukui Prefecture Hospital, 2-8-1 Yotsui, Fukui, Fukui, Japan
| | - Ryoichi Miyazaki
- Department of Internal Medicine, Fujita Memorial Hospital, 4-15-7 Houei, Fukui, Fukui, Japan
| | - Mitsuhiro Kawano
- Department of Rheumatology, Kanazawa University Graduate School of Medicine, 13-1 Takaramachi, Kanazawa, Ishikawa, Japan.
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Sekine Y, Iwasaki Y, Aoi T, Mikiko E, Hirata M, Kamatani Y, Matsuda K, Kokichi S, Yoshida T, Murakami Y, Fukui T, Akamatsu S, Ogawa O, Nakagawa H, Numakura K, Narita S, Momozawa Y, Habuchi T. Large-scale genomic analysis of renal cell carcinoma using 1,532 Japanese patients and 5,996 controls. Eur Urol 2022. [DOI: 10.1016/s0302-2838(22)01200-3] [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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Nishioka R, Zoshima T, Hara S, Suzuki Y, Ito K, Yamada K, Nakashima A, Tani Y, Kawane T, Hirata M, Mizushima I, Kawano M. Urinary abnormality in mixed connective tissue disease predicts development of other connective tissue diseases and decrease in renal function. Mod Rheumatol 2022; 32:155-162. [PMID: 33706652 DOI: 10.1080/14397595.2021.1899602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 03/01/2021] [Indexed: 10/21/2022]
Abstract
OBJECTIVE To clarify the clinical significance of development of urinary abnormality in mixed connective tissue disease (MCTD). METHODS Forty-one patients with an initial diagnosis of MCTD, followed at five hospitals between April 1, 2000 and December 31, 2013, were included. The relationship between urinary abnormality and various clinical parameters were retrospectively analyzed. Urinary abnormality was defined as proteinuria and/or hematuria detected by urinalysis. Development of other connective tissue diseases (CTDs) was defined as satisfaction of the criteria of each respective disease. RESULTS Of 41 patients (34 females, 7 males, mean age at diagnosis 42.2 ± 15.2 years), 16 developed urinary abnormality (UrA(+) patients). The total incidences of development of other CTDs were higher in the UrA(+) patients than UrA(-) (62.5% versus 16.0%, p = .01). In the comparison between UrA(+) and UrA(-) patients, there were no significant differences in follow-up duration or last determined estimated glomerular filtration rate (eGFR), although eGFR decreased more significantly in the UrA(+) patients than UrA(-). (-20.2 ± 17.2 vs -6.1 ± 13.8 ml/min/1.73m2, p = .01; -21.0 ± 18.9 vs -6.7 ± 14.1%, p = .03). CONCLUSION Urinary abnormality during the clinical course in MCTD is predictive of a higher incidence of developing other CTDs. Furthermore, it might also predict long-term renal prognosis in patients with an initial diagnosis of MCTD.
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Affiliation(s)
- Ryo Nishioka
- Department of Rheumatology, Kanazawa University Hospital, Kanazawa, Japan
| | - Takeshi Zoshima
- Department of Rheumatology, Kanazawa University Hospital, Kanazawa, Japan
| | - Satoshi Hara
- Department of Rheumatology, Kanazawa University Hospital, Kanazawa, Japan
| | - Yasunori Suzuki
- Department of Rheumatology, Kanazawa University Hospital, Kanazawa, Japan
| | - Kiyoaki Ito
- Department of Rheumatology, Kanazawa University Hospital, Kanazawa, Japan
| | - Kazunori Yamada
- Department of Hematology and Immunology, Medicine, Kanazawa Medical University Hospital, Ishikawa, Japan
| | - Akikatsu Nakashima
- Department of Rheumatology and Nephrology, Ishikawa Prefectural Central Hospital, Kanazawa, Japan
| | - Yukiko Tani
- Department of Nephrology, Komatsu Municipal HospitalKomatsu, Japan
| | - Takashi Kawane
- Department of Nephrology, Rheumatology, Infectious Disease Medicine, Toyama Red Cross Hospital, Toyama, Japan
| | - Masayoshi Hirata
- Department of Nephrology, Takaoka City Hospital, Takaokarr, Japan
| | - Ichiro Mizushima
- Department of Rheumatology, Kanazawa University Hospital, Kanazawa, Japan
| | - Mitsuhiro Kawano
- Department of Rheumatology, Kanazawa University Hospital, Kanazawa, Japan
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Sekine R, Hirata M, Ikezoe R, Jang S, Kubota Y, Kayano H, Sugata K, Aizawa T, Noguchi D, Kim D, Sugimoto Y, Matsuura R, Yamazaki H, Ichimura M, Yoshikawa M, Kohagura J, Nakashima Y, Ezumi N, Sakamoto M. Measurement of axial phase difference of density fluctuations owing to spontaneously excited waves by using microwave reflectometer on GAMMA 10/PDX. Rev Sci Instrum 2021; 92:053506. [PMID: 34243319 DOI: 10.1063/5.0043821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 04/14/2021] [Indexed: 06/13/2023]
Abstract
In the GAMMA 10/PDX tandem mirror, plasma with strong ion-temperature anisotropy is produced by using the ion cyclotron range of frequency waves. This anisotropy of ion temperature causes several Alfvén-Ion-Cyclotron (AIC) waves to spontaneously excite in the frequency range just below the ion cyclotron frequency. In addition, difference-frequency (DF) waves are excited in the radial inner region of the plasma by wave-wave coupling among the AIC waves. The radial density profiles were measured at multi-axial positions using a frequency-modulation reflectometer with an axial array of microwave antennas, and an axial variation of the density was found to be significant. In addition, a relative phase difference of the DF wave between axially separated two points was first obtained by finely choosing the probing frequency of the reflectometers with a maximum coherence used as a measure, indicating that the DF wave is a propagating wave, while the pump AIC waves are standing waves in the axial region of measurement.
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Affiliation(s)
- R Sekine
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - M Hirata
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - R Ikezoe
- Research Institute for Applied Mechanics, Kyushu University, Kasuga 816-8580, Japan
| | - S Jang
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - Y Kubota
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - H Kayano
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - K Sugata
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - T Aizawa
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - D Noguchi
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - D Kim
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - Y Sugimoto
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - R Matsuura
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - H Yamazaki
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - M Ichimura
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - M Yoshikawa
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - J Kohagura
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - Y Nakashima
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - N Ezumi
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - M Sakamoto
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
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Nishioka R, Hara S, Kawahara H, Ito K, Mizushima I, Hirata M, Nagata M, Kawano M. Glomerulonephritis with severe nephrotic syndrome induced by immune complexes composed of galactose-deficient IgA1 in primary Sjögren's syndrome: a case report. BMC Nephrol 2021; 22:108. [PMID: 33765955 PMCID: PMC7992980 DOI: 10.1186/s12882-021-02306-0] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 03/11/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Primary Sjögren's syndrome (pSS) is an auto-immune disease characterized by sialadenitis and dacryoadenitis with lymphoplasmacytic cell infiltration. In pSS, not only sicca symptoms, but also extra-glandular involvement induced by immune abnormalities based on pSS occurs. Renal involvement is one such important life-threatening extra-glandular involvement. Although the aberrant glycosylated IgA in pSS as a product of over-activated B cells is a risk factor of renal involvement, its association has not been clarified. Here we report a case of glomerulonephritis (GN) induced by immune complexes (IC) composed of galactose-deficient IgA1 (Gd-IgA1) in a patient with pSS. CASE PRESENTATION A 48-year-old Japanese woman with pSS was admitted to our hospital because of a two-month history of nephrotic syndrome. Seven years before she had been diagnosed with pSS from keratoconjunctivitis sicca, elevation of serum anti-Ro/SSA antibody titer and lymphoplasmacytic cell infiltration around salivary ducts of the small salivary glands. Renal biopsy revealed diffuse bubbling appearance in glomerular basement membrane (GBM) with scarce mesangial proliferation. Immunofluorescence showed granular IgA, C3 and Gd-IgA1 staining of GBM. Light chain staining showed no monoclonality. Electron microscopy showed electron dense deposits mainly in the intra-membranous and paramesangial areas and slightly in the subepithelial area. Additional serum analysis confirmed elevation of Gd-IgA1 (13.5 μg/mL), which was comparable with that seen in IgA nephropathy, and qualitative enzyme-linked immunosorbent assay of IgA-containing circulating immune complex (IgA-CIC) was positive. Thus, we diagnosed GN induced by IC composed of Gd-IgA1. Furthermore, retrospectively performed immunofluorescence of the small salivary gland evaluated at the diagnosis of pSS showed positive Gd-IgA1 staining of infiltrating lymphoplasmacytic cells. Therefore, we concluded that Gd-IgA1 produced by over-activated B cells in pSS formed circulating IC and thereby induced GN. After induction therapy with high dose prednisolone and mycophenolate mofetil, the nephrotic syndrome remitted within 3 weeks, the serum Gd-IgA1 level decreased to the normal range (3.8 μg/mL), and serum IgA-CIC disappeared in the 6th month after induction therapy. CONCLUSIONS Our findings clearly demonstrate an association between aberrant glycosylated IgA and the renal involvement seen in pSS, thereby helping to clarify the renal significance of aberrant glycosylated IgA in pSS.
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Affiliation(s)
- Ryo Nishioka
- Department of Rheumatology, Kanazawa University Hospital, Kanazawa University Graduate School of Medical Science, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Satoshi Hara
- Department of Rheumatology, Kanazawa University Hospital, Kanazawa University Graduate School of Medical Science, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan.
| | - Hiroyuki Kawahara
- Department of Nephrology, Takaoka City Hospital, 4-1, Takara-machi, Takaoka, Toyama, 933-0000, Japan
| | - Kiyoaki Ito
- Department of Rheumatology, Kanazawa University Hospital, Kanazawa University Graduate School of Medical Science, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Ichiro Mizushima
- Department of Rheumatology, Kanazawa University Hospital, Kanazawa University Graduate School of Medical Science, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Masayoshi Hirata
- Department of Nephrology, Takaoka City Hospital, 4-1, Takara-machi, Takaoka, Toyama, 933-0000, Japan
| | - Michio Nagata
- Department of Kidney and Vascular Pathology, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Mitsuhiro Kawano
- Department of Rheumatology, Kanazawa University Hospital, Kanazawa University Graduate School of Medical Science, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
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Kamido H, Shimomiya D, Kogame T, Takimoto-Ito R, Kataoka TR, Hirata M, Ueshima C, Otsuka A, Ghazawi FM, Nomura T, Kambe N, Kabashima K. Inducible skin-associated lymphoid tissue (iSALT) in a patient with Schnitzler syndrome who manifested wheals on recurrent localized erythema. Br J Dermatol 2021; 184:1199-1201. [PMID: 33445206 DOI: 10.1111/bjd.19808] [Citation(s) in RCA: 9] [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] [Received: 09/01/2020] [Revised: 01/07/2021] [Accepted: 01/08/2021] [Indexed: 01/16/2023]
Affiliation(s)
- H Kamido
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - D Shimomiya
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - T Kogame
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - R Takimoto-Ito
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - T R Kataoka
- Department of Diagnostic Pathology, Kyoto University Hospital, Kyoto, Japan
| | - M Hirata
- Department of Diagnostic Pathology, Kyoto University Hospital, Kyoto, Japan
| | - C Ueshima
- Department of Diagnostic Pathology, Kyoto University Hospital, Kyoto, Japan
| | - A Otsuka
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - F M Ghazawi
- Division of Dermatology, University of Ottawa, Ottawa, Ontario, Canada
| | - T Nomura
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - N Kambe
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - K Kabashima
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
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Do LTK, Wittayarat M, Sato Y, Chatdarong K, Tharasanit T, Techakumphu M, Hirata M, Tanihara F, Taniguchi M, Otoi T. Comparison of Blastocyst Development between Cat-Cow and Cat-Pig Interspecies Somatic Cell Nuclear Transfer Embryos Treated with Trichostatin A. BIOL BULL+ 2021. [DOI: 10.1134/s1062359021020035] [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: 11/23/2022]
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Ota N, Hirata M, Yasui K, Yamamoto A, Maki S, Ito Y, Onoe T, Ogawa H, Asakura H, Murayama S, Deguchi S, Mitsuya K, Harada H, Hayashi N, Nishimura T. LINAC-Based Stereotactic Irradiation For Patients With Up To Ten Brain Metastases. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.2053] [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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Pego AMF, Leyton V, Miziara ID, Bortolin RH, Freitas RCC, Hirata M, Tomaz PRX, Santos JR, Santos PCJL, Yonamine M. SNPs from BCHE and DRD3 genes associated to cocaine abuse amongst violent individuals from Sao Paulo, Brazil. Forensic Sci Int 2020; 317:110511. [PMID: 32998065 DOI: 10.1016/j.forsciint.2020.110511] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 09/05/2020] [Accepted: 09/13/2020] [Indexed: 11/29/2022]
Abstract
Violence and drug abuse are highly destructive phenomena found world-wide, especially in Brazil. They seem to rise proportionally to one another and possibly related. Additionally, genetics may also play a role in drug abuse. This study has focused on identifying the use of cocaine within postmortem cases arriving at the Institute of Legal Medicine of Sao Paulo as well as the presence of certain single nucleotide polymorphisms (SNPs) to better understand one's susceptibility to abuse the drug. Both hair and blood samples have been extracted through a simple methanol overnight incubation or a rapid dilute-and-shoot method, respectively. The samples were then analyzed using an UPLC-ESI-MS/MS and genotyped through RT-PCR. Statistical analyses were performed via SPSS software. From 105 postmortem cases, 53% and 51% of the cases shown to be positive for cocaine in hair and blood, respectively. Genetic wise, a significant difference has been observed for SNP rs4263329 from the BCHE gene with higher frequencies of the genotypes A/G and G/G seen in cocaine users (OR=8.91; 95%CI=1.58-50.21; p=0.01). Likewise, also SNP rs6280 from the DRD3 gene presented a significant association, with both genotypes T/C and C/C being more frequent in users (OR=4.96; 95% CI=1.07-23.02; p=0.04). To conclude, a rather high proportion of cocaine has been found, which may suggest a connotation between the use of the drug and risky/violent behaviors. Additionally, significant associations were also found within two SNPs related to cocaine use, however, due to several inherent limitations, these must be confirmed.
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Affiliation(s)
- A M F Pego
- Department of Clinical and Toxicological Analyses, Faculty of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo, Brazil; Dutch Screening Group, Maastricht, Netherlands.
| | - V Leyton
- Department of Legal Medicine, Ethics and Occupational Health, School of Medicine, University of Sao Paulo, Sao Paulo, Brazil
| | - I D Miziara
- Department of Legal Medicine, Ethics and Occupational Health, School of Medicine, University of Sao Paulo, Sao Paulo, Brazil; Institute of Legal Medicine of São Paulo, Sao Paulo, Brazil
| | - R H Bortolin
- Department of Clinical and Toxicological Analyses, Faculty of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - R C C Freitas
- Department of Clinical and Toxicological Analyses, Faculty of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - M Hirata
- Department of Clinical and Toxicological Analyses, Faculty of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - P R X Tomaz
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of Sao Paulo Medical School, Sao Paulo, Brazil
| | - J R Santos
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of Sao Paulo Medical School, Sao Paulo, Brazil
| | - P C J L Santos
- Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of Sao Paulo Medical School, Sao Paulo, Brazil; Department of Pharmacology, Paulista Medical School, Federal University of Sao Paulo, Sao Paulo, Brazil
| | - M Yonamine
- Department of Clinical and Toxicological Analyses, Faculty of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo, Brazil
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12
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Nguyen NT, Hirata M, Tanihara F, Sato Y, Namula Z, Le QA, Wittayarat M, Fahrudin M, Otti T. In vitro Development of Zona Pellucida-free Porcine Zygotes Cultured Individually after Vitrification. Cryo Letters 2020; 41:86-91. [PMID: 33988658] [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: 06/12/2023]
Abstract
BACKGROUND Cryopreservation of zona pellucida (ZP)-free embryos provides more options for somatic cell nuclear transfer, particularly during handmade cloning. OBJECTIVE This study investigated whether the removal of the ZP affects the development of porcine zygotes after vitrification and warming. MATERIALS AND METHODS We determined the appropriate volume of the corresponding medium for the individual culture of ZP-intact and -free embryos and evaluated the protection effect of ZP during cryopreservation on the resulting development of the vitrified-warmed zygotes. RESULTS The volume of culture medium influenced the development of ZP-intact zygotes, and a volume of 15 µL was most suitable for their development. However, the volume of culture medium did not modify the development of ZP-free zygotes. The removal of the ZP before vitrification did not adversely affect embryonic development or quality of the resulting blastocysts. CONCLUSION Our results suggest that the removal of the ZP does not cause detrimental effects to the development of vitrified-warmed zygotes.
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Affiliation(s)
| | - M Hirata
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan.
| | - F Tanihara
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan
| | - Y Sato
- School of Biological Science, Tokai University, Sapporo, Japan
| | - Z Namula
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan; College of Agricultural Science, Guangdong Ocean University, Guangdong, China
| | - Q A Le
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan
| | - M Wittayarat
- Faculty of Veterinary Science, Prince of Songkla University, Songkhla, Thailand
| | - M Fahrudin
- Faculty of Veterinary Science, Bogor Agricultural University, Indonesia
| | - T Otti
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan
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13
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Asano K, Sagara H, Ichinose M, Hirata M, Nakajima A, Ortega H, Tohda Y. P213 PHASE 2 STUDY RESULTS OF DP2-ANTAGONIST GB001 ON ASTHMA WORSENING AND OTHER ASTHMA CONTROL MARKERS. Ann Allergy Asthma Immunol 2019. [DOI: 10.1016/j.anai.2019.08.279] [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: 11/25/2022]
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14
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Nakashima C, Ishida Y, Nakagawa K, Irie H, Hirata M, Kataoka T, Otsuka A, Kabashima K. Identification of CD49a+ CD8+ resident memory T cells in vitiligo-like lesions associated with nivolumab treatment for melanoma. J Eur Acad Dermatol Venereol 2019; 34:e79-e82. [PMID: 31571305 DOI: 10.1111/jdv.15970] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- C Nakashima
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Y Ishida
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - K Nakagawa
- Department of Dermatology, Saiseikai Tondabayashi Hospital, Osaka, Japan
| | - H Irie
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - M Hirata
- Department of Diagnostic Pathology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - T Kataoka
- Department of Diagnostic Pathology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - A Otsuka
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan.,Translational Research Department for Skin and Brain Diseases, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - K Kabashima
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan.,Singapore Immunology Network (SIgN) and Skin Research Institute of Singapore, Agency for Science, Technology and Research (A*STAR), Biopolis, Singapore
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15
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Kogame T, Takegami T, Sakai T, Kataoka T, Hirata M, Budair F, Ueshima C, Matsui M, Nomura T, Kabashima K. Immunohistochemical analysis of class‐switched subtype of primary cutaneous marginal zone lymphoma in terms of inducible skin‐associated lymphoid tissue. J Eur Acad Dermatol Venereol 2019; 33:e401-e403. [DOI: 10.1111/jdv.15703] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- T. Kogame
- Department of Dermatology Kyoto University Graduate School of Medicine Kyoto Japan
- Shiga General Hospital Moriyama Japan
| | - T. Takegami
- Department of Dermatology Kyoto University Graduate School of Medicine Kyoto Japan
| | - T.R. Sakai
- Department of Dermatology Kyoto University Graduate School of Medicine Kyoto Japan
| | - T.R. Kataoka
- Department of Diagnostic Pathology Kyoto University Hospital Kyoto Japan
| | - M. Hirata
- Department of Diagnostic Pathology Kyoto University Hospital Kyoto Japan
| | - F.M. Budair
- Department of Dermatology Kyoto University Graduate School of Medicine Kyoto Japan
| | - C. Ueshima
- Department of Diagnostic Pathology Kyoto University Hospital Kyoto Japan
| | - M. Matsui
- Ijinkai Takeda General Hospital Kyoto Japan
| | - T. Nomura
- Department of Dermatology Kyoto University Graduate School of Medicine Kyoto Japan
| | - K. Kabashima
- Department of Dermatology Kyoto University Graduate School of Medicine Kyoto Japan
- A*STAR, Singapore Immunology Network (SIgN)/Skin Research Institute of Singapore (SRIS) Singapore Singapore
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16
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Yasui K, Katagiri H, Onoe T, Ogawa H, Harada H, Asakura H, Maki S, Nakura A, Ito Y, Hirata M, Murayama S, Honda Y, Miyagi M, Wasa J, Murata H, Takahashi M, Nishimura T. PO-0880 Validation of a predictive model for survival in patients receiving radiotherapy for bone metastases. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)31300-3] [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: 10/26/2022]
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17
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Nishimura T, Yoshida K, Kawata Y, Takeuchi Y, Kakiuchi N, Shiozawa Y, Aoki K, Hirata M, Kataoka TR, Sakurai T, Baba S, Shiraishi Y, Chiba K, Takeuchi K, Haga H, Miyano S, Toi M, Ogawa S. Abstract P3-06-04: Clonal evolution of non-malignant proliferative lesions into breast cancers. Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-p3-06-04] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
[Introduction] Non-malignant proliferative lesions in the breast have been implicated in the development of invasive breast cancer. Previous studies showed that adjacent atypical proliferative lesions and breast cancers shared common genetic alterations, suggesting that these evolved from the same ancestral cell. However, the clonal structure of atypical proliferative lesions and their clonal dynamics during progression to cancer are poorly understood. In this study, we compared genetic profiles (with and without pathogenic germline mutations) of normal mammary ducts, non-malignant proliferative lesions, and cancer tissues from the same patients to illustrate the clonal evolution of cancer from a non-malignant epithelial cell.
[Methods] Multiple samples were collected from different proliferative lesions within the cancer-borne breast, including invasive cancers, using micro-dissection from formalin-fixed, paraffin-embedded surgical specimens. Somatic mutations and copy number alterations (CNAs) were then evaluated by whole exome sequencing.
[Results] We analyzed a total of 34 samples from 5 premenopausal females carrying estrogen receptor-positive cancers, where the samples were obtained from normal ducts (N = 6), non-atypical (N = 1) and atypical (N = 8) proliferative lesions, and non-invasive (N = 16) and invasive (N = 3) cancers. The number of somatic mutations per sample ranged from 1 to 276 and increased with disease progression, regardless of the germline mutation status. Two cases with bilateral cancers had a pathogenic germline mutation of either BRCA2 or TP53, where no somatic mutations or CNAs were shared by individual proliferative lesions, suggesting multifocal independent cancerous evolutions. By contrast, in the remaining three unilateral cases, no pathogenic germline mutations were detected, but all proliferative lesions, which were separated by a distance of 7-25 mm, shared one or more driver alterations, such as an AKT1 mutation (UID: KU01), concurrent 1q gain and 16q loss (der(1;16)) (UID: KU02), and a GATA3 mutation and der(1;16) (UID: KU03), while harboring private mutations and/or CNAs of their own. The phylogenetic analysis based on the number of shared mutations predicted an early origin of these founder mutations, which frequently predated decades before the onset of cancer.
[Conclusions] Our results suggest that early breast cancer development is shaped by the evolution of multiple precancerous clones. These clones are originated from a common ancestor that acquired a founder mutation long before the onset of cancer, followed by branching evolution of multiple clones that acquired additional driver mutations of their own, from which an invasive cancer ultimately develops. In hereditary cases, this process is thought to be substantially promoted multi-focally from within the entire breasts by a germline mutation shared by all mammary cells, frequently resulting in bilateral and/or multifocal breast cancers. Our findings provide unique insight into the early development of breast cancer.
Citation Format: Nishimura T, Yoshida K, Kawata Y, Takeuchi Y, Kakiuchi N, Shiozawa Y, Aoki K, Hirata M, Kataoka TR, Sakurai T, Baba S, Shiraishi Y, Chiba K, Takeuchi K, Haga H, Miyano S, Toi M, Ogawa S. Clonal evolution of non-malignant proliferative lesions into breast cancers [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P3-06-04.
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Affiliation(s)
- T Nishimura
- Graduate School of Medicine, Kyoto University, Kyoto, Japan; Kyoto University Hospital, Kyoto, Japan; Pathology Project for Molecular Targets, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - K Yoshida
- Graduate School of Medicine, Kyoto University, Kyoto, Japan; Kyoto University Hospital, Kyoto, Japan; Pathology Project for Molecular Targets, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Y Kawata
- Graduate School of Medicine, Kyoto University, Kyoto, Japan; Kyoto University Hospital, Kyoto, Japan; Pathology Project for Molecular Targets, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Y Takeuchi
- Graduate School of Medicine, Kyoto University, Kyoto, Japan; Kyoto University Hospital, Kyoto, Japan; Pathology Project for Molecular Targets, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - N Kakiuchi
- Graduate School of Medicine, Kyoto University, Kyoto, Japan; Kyoto University Hospital, Kyoto, Japan; Pathology Project for Molecular Targets, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Y Shiozawa
- Graduate School of Medicine, Kyoto University, Kyoto, Japan; Kyoto University Hospital, Kyoto, Japan; Pathology Project for Molecular Targets, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - K Aoki
- Graduate School of Medicine, Kyoto University, Kyoto, Japan; Kyoto University Hospital, Kyoto, Japan; Pathology Project for Molecular Targets, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - M Hirata
- Graduate School of Medicine, Kyoto University, Kyoto, Japan; Kyoto University Hospital, Kyoto, Japan; Pathology Project for Molecular Targets, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - TR Kataoka
- Graduate School of Medicine, Kyoto University, Kyoto, Japan; Kyoto University Hospital, Kyoto, Japan; Pathology Project for Molecular Targets, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - T Sakurai
- Graduate School of Medicine, Kyoto University, Kyoto, Japan; Kyoto University Hospital, Kyoto, Japan; Pathology Project for Molecular Targets, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - S Baba
- Graduate School of Medicine, Kyoto University, Kyoto, Japan; Kyoto University Hospital, Kyoto, Japan; Pathology Project for Molecular Targets, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Y Shiraishi
- Graduate School of Medicine, Kyoto University, Kyoto, Japan; Kyoto University Hospital, Kyoto, Japan; Pathology Project for Molecular Targets, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - K Chiba
- Graduate School of Medicine, Kyoto University, Kyoto, Japan; Kyoto University Hospital, Kyoto, Japan; Pathology Project for Molecular Targets, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - K Takeuchi
- Graduate School of Medicine, Kyoto University, Kyoto, Japan; Kyoto University Hospital, Kyoto, Japan; Pathology Project for Molecular Targets, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - H Haga
- Graduate School of Medicine, Kyoto University, Kyoto, Japan; Kyoto University Hospital, Kyoto, Japan; Pathology Project for Molecular Targets, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - S Miyano
- Graduate School of Medicine, Kyoto University, Kyoto, Japan; Kyoto University Hospital, Kyoto, Japan; Pathology Project for Molecular Targets, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - M Toi
- Graduate School of Medicine, Kyoto University, Kyoto, Japan; Kyoto University Hospital, Kyoto, Japan; Pathology Project for Molecular Targets, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - S Ogawa
- Graduate School of Medicine, Kyoto University, Kyoto, Japan; Kyoto University Hospital, Kyoto, Japan; Pathology Project for Molecular Targets, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan; Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
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18
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Kogame T, Hirata M, Kataoka T, Seidel J, Ueshima C, Matsui M, Nomura T, Kabashima K. Presence of SCF/CXCL12 double-positive large blast-like cells at the site of cutaneous extramedullary haematopoiesis. J Eur Acad Dermatol Venereol 2018; 32:e465-e466. [DOI: 10.1111/jdv.15068] [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: 12/27/2022]
Affiliation(s)
- T. Kogame
- Department of Dermatology; Kyoto University Graduate School of Medicine; Kyoto Japan
- Ijinkai Takeda General Hospital; Kyoto Japan
| | - M. Hirata
- Department of Diagnostic Pathology; Kyoto University Hospital; Kyoto Japan
| | - T.R. Kataoka
- Department of Diagnostic Pathology; Kyoto University Hospital; Kyoto Japan
| | - J.A. Seidel
- Department of Dermatology; Kyoto University Graduate School of Medicine; Kyoto Japan
| | - C. Ueshima
- Department of Diagnostic Pathology; Kyoto University Hospital; Kyoto Japan
| | - M. Matsui
- Ijinkai Takeda General Hospital; Kyoto Japan
| | - T. Nomura
- Department of Dermatology; Kyoto University Graduate School of Medicine; Kyoto Japan
| | - K. Kabashima
- Department of Dermatology; Kyoto University Graduate School of Medicine; Kyoto Japan
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19
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Yamada K, Muramoto H, Araki H, Kakuchi Y, Miyagi K, Kitajima S, Tani Y, Suzuki Y, Onoe T, Muto H, Hirata M, Takeda M, Nomura H, Miyazaki R, Kawano M. FP052EFFECTIVENESS AND SAFETY OF TOLVAPTAN IN AUTOSOMAL DOMINANT POLYCYSTIC KIDNEY DISEASE PATIENTS WITH CKD STAGE G4: A RETROSPECTIVE MULTICENTER STUDY IN JAPAN. Nephrol Dial Transplant 2018. [DOI: 10.1093/ndt/gfy104.fp052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [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)
- Kazunori Yamada
- Division of Rheumatology, Kanazawa University Hospital, Kanazawa, Japan
| | | | - Hideo Araki
- Nephrology, Fukui Prefectural Hopsital, Fukui, Japan
| | - Yasushi Kakuchi
- Internal Medicine, Saiseikai Kanazawa Hospital, Kanazawa, Japan
| | - Kyoko Miyagi
- Department of Internal Medicine, Fujita Memorial Hospital, Fukui, Japan
| | | | - Yukiko Tani
- Department of Internal Medicine, Komatsu Municipal hospital, Komatsu, Japan
| | - Yasunori Suzuki
- Nephrology and Rheumatology, Ishikawa Prefectural Central Hospital, Kanazawa, Japan
| | - Tamehito Onoe
- Division of Rheumatology, Kanazawa University Hospital, Kanazawa, Japan
| | - Hisao Muto
- Internal Medicine, Hokuriku Central Hospital, Oyabe, Japan
| | | | - Masahiro Takeda
- Internal Medicine, Komatsu Municipal hospital, Komatsu, Japan
| | - Hideki Nomura
- Division of General Medicine, Kanazawa University Hospital, Kanazawa, Japan
| | | | - Mitsuhiro Kawano
- Division of Rheumatology, Kanazawa University Hospital, Kanazawa, Japan
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20
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Nishio K, Tanihara F, Nguyen TV, Kunihara T, Nii M, Hirata M, Takemoto T, Otoi T. Effects of voltage strength during electroporation on the development and quality of in vitro-produced porcine embryos. Reprod Domest Anim 2018; 53:313-318. [PMID: 29135047 DOI: 10.1111/rda.13106] [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] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Accepted: 10/10/2017] [Indexed: 12/20/2022]
Abstract
This study was conducted to determine suitable conditions for an experimental method in which the CRISPR/Cas9 system is introduced into in vitro-produced porcine zygotes by electroporation. In the first experiment, when putative zygotes derived from in vitro fertilization (IVF) were electroporated by either unipolar or bipolar pulses, keeping the voltage, pulse duration and pulse number fixed at 30 V/mm, 1 msec and five repeats, respectively, the rate of blastocyst formation from zygotes electroporated by bipolar pulses decreased compared to zygotes electroporated by unipolar pulses. In the second experiment, the putative zygotes were electroporated by electroporation voltages ranging from 20 V/mm-40 V/mm with five 1-msec unipolar pulses. The rate of cleavage and blastocyst formation of zygotes electroporated at 40 V/mm was significantly lower (p < .05) than that of zygotes electroporated at less than 30 V/mm. Moreover, the apoptotic nuclei indices of blastocysts derived from zygotes electroporated by voltages greater than 30 V/mm significantly increased compared with those from zygotes electroporated by voltages less than 25 V/mm (p < .05). When zygotes were electroporated with Cas9 mRNA and single-guide RNA (sgRNA) targeting site in the FGF10 exon 3, the proportions of blastocysts with targeted genomic sequences were 7.7% (2/26) and 3.6% (1/28) in the embryos derived from zygotes electroporated at 25 V/mm and 30 V/mm, respectively. Our results indicate that electroporation at 25 V/mm may be an acceptable condition for introducing Cas9 mRNA and sgRNA into pig IVF zygotes under which the viability of the embryos is not significantly affected.
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Affiliation(s)
- K Nishio
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan
| | - F Tanihara
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan
| | - T-V Nguyen
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan
| | - T Kunihara
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan
| | - M Nii
- Tokushima Prefectural Livestock Research Institute, Tokushima, Japan
| | - M Hirata
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan
| | - T Takemoto
- Institute for Advanced Medical Sciences, Tokushima University, Tokushima, Japan
| | - T Otoi
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan
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21
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Hara S, Hirata M, Ito K, Mizushima I, Fujii H, Yamada K, Nagata M, Kawano M. Post-infectious acute glomerulonephritis with podocytopathy induced by parvovirus B19 infection. Pathol Int 2018; 68:190-195. [PMID: 29457859 DOI: 10.1111/pin.12643] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Accepted: 12/30/2017] [Indexed: 10/18/2022]
Abstract
Human parvovirus B19 infection causes a variety of glomerular diseases such as post-infectious acute glomerulonephritis and collapsing glomerulopathy. Although each of these appears independently, it has not been fully determined why parvovirus B19 provokes such a variety of different glomerular phenotypes. Here, we report a 68-year-old Japanese man who showed endocapillary proliferative glomerulonephritis admixed with podocytopathy in association with parvovirus B19 infection. The patient showed acute onset of heavy proteinuria, microscopic hematuria and kidney dysfunction with arthralgia and oliguria after close contact with a person suffering from erythema infectiosum. In the kidney biopsy specimen, glomeruli revealed diffuse and global endocapillary infiltration of inflammatory cells, with some also showing tuft collapse with aberrant vacuolation, swelling, and hyperplasia of glomerular epithelial cells. Immunofluorescence revealed dense granular C3 deposition that resembled the "starry sky pattern". Intravenous glucocorticoid pulse therapy followed by oral prednisolone and cyclosporine combination therapy resulted in considerable amelioration of the kidney dysfunction and urinary abnormalities. The present case reveals that parvovirus B19 infection can induce different glomerular phenotypes even in the same kidney structure. This finding may provide hints useful for the further elucidation of the pathogenesis of parvovirus B19-induced glomerular lesions.
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Affiliation(s)
- Satoshi Hara
- Division of Rheumatology, Department of Internal Medicine, Kanazawa University Graduate School of Medicine, Kanazawa, Japan
| | - Masayoshi Hirata
- Department of Internal Medicine, Takaoka City Hospital, Takaoka, Japan
| | - Kiyoaki Ito
- Division of Rheumatology, Department of Internal Medicine, Kanazawa University Graduate School of Medicine, Kanazawa, Japan
| | - Ichiro Mizushima
- Division of Rheumatology, Department of Internal Medicine, Kanazawa University Graduate School of Medicine, Kanazawa, Japan
| | - Hiroshi Fujii
- Division of Rheumatology, Department of Internal Medicine, Kanazawa University Graduate School of Medicine, Kanazawa, Japan
| | - Kazunori Yamada
- Division of Rheumatology, Department of Internal Medicine, Kanazawa University Graduate School of Medicine, Kanazawa, Japan.,Department of Advanced Research in Community Medicine, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Michio Nagata
- Department of Kidney and Vascular Pathology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Mitsuhiro Kawano
- Division of Rheumatology, Department of Internal Medicine, Kanazawa University Graduate School of Medicine, Kanazawa, Japan
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Cho T, Higaki H, Hirata M, Hojo H, Ichimura M, Ishii K, Itakura A, Katanuma I, Kohagura J, Nakashima Y, Saito T, Tatematsu Y, Yoshikawa M, Itoh H, Minami R, Nagashima S, Numakura T, Watanabe H, Yoshida M, Yatsu K, Miyoshi S. Summarized Scaling Laws of Plasma Confining Potential Formation and Effects in the Gamma 10 Tandem Mirror. Fusion Science and Technology 2018. [DOI: 10.13182/fst03-a11963560] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- T. Cho
- Plasma Research Centre, University of Tsukuba, Ibaraki 305-8577, Japan
| | - H. Higaki
- Plasma Research Centre, University of Tsukuba, Ibaraki 305-8577, Japan
| | - M. Hirata
- Plasma Research Centre, University of Tsukuba, Ibaraki 305-8577, Japan
| | - H. Hojo
- Plasma Research Centre, University of Tsukuba, Ibaraki 305-8577, Japan
| | - M. Ichimura
- Plasma Research Centre, University of Tsukuba, Ibaraki 305-8577, Japan
| | - K. Ishii
- Plasma Research Centre, University of Tsukuba, Ibaraki 305-8577, Japan
| | - A. Itakura
- Plasma Research Centre, University of Tsukuba, Ibaraki 305-8577, Japan
| | - I. Katanuma
- Plasma Research Centre, University of Tsukuba, Ibaraki 305-8577, Japan
| | - J. Kohagura
- Plasma Research Centre, University of Tsukuba, Ibaraki 305-8577, Japan
| | - Y. Nakashima
- Plasma Research Centre, University of Tsukuba, Ibaraki 305-8577, Japan
| | - T. Saito
- Plasma Research Centre, University of Tsukuba, Ibaraki 305-8577, Japan
| | - Y. Tatematsu
- Plasma Research Centre, University of Tsukuba, Ibaraki 305-8577, Japan
| | - M. Yoshikawa
- Plasma Research Centre, University of Tsukuba, Ibaraki 305-8577, Japan
| | - H. Itoh
- Plasma Research Centre, University of Tsukuba, Ibaraki 305-8577, Japan
| | - R. Minami
- Plasma Research Centre, University of Tsukuba, Ibaraki 305-8577, Japan
| | - S. Nagashima
- Plasma Research Centre, University of Tsukuba, Ibaraki 305-8577, Japan
| | - T. Numakura
- Plasma Research Centre, University of Tsukuba, Ibaraki 305-8577, Japan
| | - H. Watanabe
- Plasma Research Centre, University of Tsukuba, Ibaraki 305-8577, Japan
| | - M. Yoshida
- Plasma Research Centre, University of Tsukuba, Ibaraki 305-8577, Japan
| | - K. Yatsu
- Plasma Research Centre, University of Tsukuba, Ibaraki 305-8577, Japan
| | - S. Miyoshi
- Plasma Research Centre, University of Tsukuba, Ibaraki 305-8577, Japan
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23
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Nguyen TV, Tanihara F, Hirata M, Hirano T, Nishio K, Kim Do LT, Nguyen TV, Nii M, Otoi T. Effects of Antifreeze Protein Supplementation on the Development of Porcine Morulae Stored at Hypothermic Temperatures. Cryo Letters 2018; 39:131-136. [PMID: 29734422] [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: 06/08/2023]
Abstract
BACKGROUND Short-term storage is valuable method to reuse manipulated embryos. OBJECTIVE The present study evaluated the effects of antifreeze protein (AFP) supplementation on the quality and development of in vitro-produced porcine morulae after short-term storage (24 h). MATERIALS AND METHODS The morulae were stored with various concentrations of AFP type III for 24 h at 5, 15 and 25C. RESULTS Supplementation of AFP type III (1.0 microgram per mL) improved the developmental competence of embryos stored at 25C. The proportions of DNA-fragmented nuclei in the blastocysts did not differ between the embryos stored at 25C and the control embryos without storage treatment. However, the developmental competence of embryos stored at hypothermic temperatures decreased relative to that of the control embryos. CONCLUSION Supplementation of AFP type III (1.0 microgram per mL) maintained the quality of embryos stored at 25C, but did not have beneficial effects on the development of embryos stored at hypothermic temperatures.
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Affiliation(s)
- T V Nguyen
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan
| | - F Tanihara
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan
| | - M Hirata
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan
| | - T Hirano
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan
| | - K Nishio
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan
| | - L T Kim Do
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan. Faculty of Veterinary Science, Vietnam National University of Agriculture, Vietnam
| | - T V Nguyen
- Faculty of Veterinary Science, Vietnam National University of Agriculture, Vietnam
| | - M Nii
- Tokushima Prefectural Livestock Research Institute, Tokushima, Japan
| | - T Otoi
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan.
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24
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Yabumoto T, Yoshida F, Baba K, Hayakawa H, Hamanaka H, Hirata M, Mochizuki H. A novel method for behavioral assessments of the common marmoset, marmodetector, detects general natural movement and changes in motor behavior. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2640] [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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25
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Kogame T, Nomura T, Kataoka T, Hirata M, Ueshima C, Matsui M, Kabashima K. Possible inducible skin-associated lymphoid tissue (iSALT)-like structures with CXCL13+
fibroblast-like cells in secondary syphilis. Br J Dermatol 2017; 177:1737-1739. [DOI: 10.1111/bjd.15349] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- T. Kogame
- Department of Dermatology; Kyoto University Graduate School of Medicine; 54 Shogoin Kawara-cho Sakyo Kyoto 606-8507 Japan
| | - T. Nomura
- Department of Dermatology; Kyoto University Graduate School of Medicine; 54 Shogoin Kawara-cho Sakyo Kyoto 606-8507 Japan
| | - T. Kataoka
- Department of Diagnostic Pathology; Kyoto University Hospital; Kyoto Japan
| | - M. Hirata
- Department of Diagnostic Pathology; Kyoto University Hospital; Kyoto Japan
| | - C. Ueshima
- Department of Diagnostic Pathology; Kyoto University Hospital; Kyoto Japan
| | - M. Matsui
- Ijinkai Takeda General Hospital; Kyoto Japan
| | - K. Kabashima
- Department of Dermatology; Kyoto University Graduate School of Medicine; 54 Shogoin Kawara-cho Sakyo Kyoto 606-8507 Japan
- Singapore Immunology Network (SIgN) and Institute of Medical Biology; Agency for Science, Technology and Research (A*STAR); Biopolis Singapore
- PRESTO; Japan Science and Technology Agency; Saitama Japan
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26
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Imai T, Ichimura M, Nakashima Y, Sakamoto M, Katanuma I, Yoshikawa M, Kariya T, Hirata M, Kohagura J, Minami R, Numakura T, Ikezoe R, Oki K, Sakamoto K. GAMMA 10/PDX Project Status and Future. Fusion Science and Technology 2017. [DOI: 10.13182/fst13-1t29] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- T. Imai
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - M. Ichimura
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - Y. Nakashima
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - M. Sakamoto
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - I. Katanuma
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - M. Yoshikawa
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - T. Kariya
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - M. Hirata
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - J. Kohagura
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - R. Minami
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - T. Numakura
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - R. Ikezoe
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - K. Oki
- Plasma Research Center, University of Tsukuba, 305-8577 Tsukuba, Japan
| | - K. Sakamoto
- Japan Atomic Energy Research Institute(JAEA), Naka, Japan
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27
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Kondoh T, Hayashi T, Kawano Y, Kusama Y, Sugie T, Hirata M, Miura Y. CO2Laser Collective Thomson Scattering Diagnostic of α-Particles in Burning Plasmas. Fusion Science and Technology 2017. [DOI: 10.13182/fst07-a1314] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- T. Kondoh
- Japan Atomic Energy Agency, Naka, Ibaraki, 311-0193, Japan
| | - T. Hayashi
- Japan Atomic Energy Agency, Naka, Ibaraki, 311-0193, Japan
| | - Y. Kawano
- Japan Atomic Energy Agency, Naka, Ibaraki, 311-0193, Japan
| | - Y. Kusama
- Japan Atomic Energy Agency, Naka, Ibaraki, 311-0193, Japan
| | - T. Sugie
- Japan Atomic Energy Agency, Naka, Ibaraki, 311-0193, Japan
| | - M. Hirata
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki, 305-8577, Japan
| | - Y. Miura
- Japan Atomic Energy Agency, Naka, Ibaraki, 311-0193, Japan
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28
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Cho T, Higaki H, Hirata M, Hojo H, Ichimura M, Ishii K, Islam K, Itakura A, Katanuma I, Kohagura J, Nakashima Y, Numakura T, Saito T, Tatematsu Y, Yoshikawa M, Tokioka S, Yokoyama N, Miyake Y, Tomii Y, Kojima Y, Takemura Y, Imai T, Yoshida M, Sakamoto K, Pastukhov VP, Miyoshi S. Recent Progress in the GAMMA 10 Tandem Mirror. Fusion Science and Technology 2017. [DOI: 10.13182/fst05-a601] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- T. Cho
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - H. Higaki
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Hirata
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - H. Hojo
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Ichimura
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - K. Ishii
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - K. Islam
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - A. Itakura
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - I. Katanuma
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - J. Kohagura
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - Y. Nakashima
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - T. Numakura
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - T. Saito
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - Y. Tatematsu
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Yoshikawa
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - S. Tokioka
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - N. Yokoyama
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - Y. Miyake
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - Y. Tomii
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - Y. Kojima
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - Y. Takemura
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - T. Imai
- Plasma Research Centre, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Yoshida
- JAERI, Naka Fusion Research Establishment, Ibaraki, Japan
| | - K. Sakamoto
- JAERI, Naka Fusion Research Establishment, Ibaraki, Japan
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29
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Nakashima Y, Sakamoto M, Takeda H, Ichimura K, Hosoi K, Oki K, Yoshikawa M, Nishino N, Matsuura H, Hirata M, Ichimura M, Kariya T, Katanuma I, Kohagura J, Minami R, Numakura T, Ikezoe R, Akabane Y, Kigure S, Nagatsuka Y, Takahashi S, Ueda H, Imai T. First Results and Future Research Plan of Divertor Simulation Experiments Using D-Module in the End-Cell of the GAMMA 10/PDX Tandem Mirror. Fusion Science and Technology 2017. [DOI: 10.13182/fst13-a16881] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Y. Nakashima
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 3005-8577, Japan
| | - M. Sakamoto
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 3005-8577, Japan
| | - H. Takeda
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 3005-8577, Japan
| | - K. Ichimura
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 3005-8577, Japan
| | - K. Hosoi
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 3005-8577, Japan
| | - K. Oki
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 3005-8577, Japan
| | - M. Yoshikawa
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 3005-8577, Japan
| | - N. Nishino
- Graduate school of Engineering, Hiroshima University, Hiroshima 739-8527, Japan
| | - H. Matsuura
- Radiation Research Center, Osaka Prefecture University, Osaka 599-8570, Japan
| | - M. Hirata
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 3005-8577, Japan
| | - M. Ichimura
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 3005-8577, Japan
| | - T. Kariya
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 3005-8577, Japan
| | - I. Katanuma
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 3005-8577, Japan
| | - J. Kohagura
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 3005-8577, Japan
| | - R. Minami
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 3005-8577, Japan
| | - T. Numakura
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 3005-8577, Japan
| | - R. Ikezoe
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 3005-8577, Japan
| | - Y. Akabane
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 3005-8577, Japan
| | - S. Kigure
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 3005-8577, Japan
| | - Y. Nagatsuka
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 3005-8577, Japan
| | - S. Takahashi
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 3005-8577, Japan
| | - H. Ueda
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 3005-8577, Japan
| | - T. Imai
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 3005-8577, Japan
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30
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Cho T, Higaki H, Hirata M, Hojo H, Ichimura M, Ishii K, Islam K, Itakura A, Katanuma I, Kohagura J, Minami R, Nakashima Y, Numakura T, Saito T, Tatematsu Y, Yoshikawa M, Watanabe O, Kubota Y, Kobayashi T, Yamaguchi Y, Saimaru H, Higashizono Y, Miyata Y, Kiminami S, Shimizu K, Itou M, Ikuno T, Mase A, Yasaka Y, Sakamoto K, Yoshida M, Kojima A, Ogura K, Nishino N, Horton W, Kariya T, Imai T, Pastukhov V, Miyoshi S. Overview of Recent Progress in the GAMMA 10 Tandem Mirror. Fusion Science and Technology 2017. [DOI: 10.13182/fst07-a1305] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- T. Cho
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - H. Higaki
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - M. Hirata
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - H. Hojo
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - M. Ichimura
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - K. Ishii
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - K. Islam
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - A. Itakura
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - I. Katanuma
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - J. Kohagura
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - R. Minami
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - Y. Nakashima
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - T. Numakura
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - T. Saito
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - Y. Tatematsu
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - M. Yoshikawa
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - O. Watanabe
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - Y. Kubota
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - T. Kobayashi
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - Y. Yamaguchi
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - H. Saimaru
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - Y. Higashizono
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - Y. Miyata
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - S. Kiminami
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - K. Shimizu
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - M. Itou
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - T. Ikuno
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - A. Mase
- Art, Science and Technology Center for Cooperative Research, Kyushu University, Japan
| | - Y. Yasaka
- Department of Electrical and Electronics Engineering, Kobe University, Japan
| | - K. Sakamoto
- Naka Fusion Research Establishment, Japan Atomic Energy Agency, Japan
| | - M. Yoshida
- Naka Fusion Research Establishment, Japan Atomic Energy Agency, Japan
| | - A. Kojima
- Naka Fusion Research Establishment, Japan Atomic Energy Agency, Japan
| | - K. Ogura
- Graduate School of Science and Technology, Niigata University, Japan
| | - N. Nishino
- Graduated School of Engineering, Hiroshima University, Japan
| | - W. Horton
- Institute for Fusion Studies, The University of Texas at Austin, USA
| | - T. Kariya
- Toshiba Electron Tubes and Devices Co. Ltd., Tochigi, Japan
| | - T. Imai
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
| | - V.P. Pastukhov
- Russian Research Center “Kurchatov Institute”, Moscow, Russia Kurchatov Institute, Russia
| | - S. Miyoshi
- Plasma Research Center, University of Tsukuba, Ibaraki, Japan
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31
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R. I, Ichimura M, Sato T, Hirata M, Yokoyama T, Ugajin Y, Iimura T, Saito Y, Annaka Y, Shiratani A, Shima Y, Kohagura J, Yoshikawa M, Imai T. Time Evolving Stucture of Alfvén Ion-Cyclotron Waves in GAMMA 10. Fusion Science and Technology 2017. [DOI: 10.13182/fst13-a16874] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Ikezoe R.
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Ichimura
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - T. Sato
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Hirata
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - T. Yokoyama
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - Y. Ugajin
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - T. Iimura
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - Y. Saito
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - Y. Annaka
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - A. Shiratani
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - Y. Shima
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - J. Kohagura
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Yoshikawa
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - T. Imai
- Plasma Research Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
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32
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Aoyama S, Miyazawa Y, Ogura K, Sugawara A, Hirata M. Improved Performance of Oversized Backward Wave Oscillator Driven by Weakly Relativistic Electron Beam. Fusion Science and Technology 2017. [DOI: 10.13182/fst07-a1390] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- S. Aoyama
- Graduate School of Science and Technology, Niigata University, Niigata, 950-2181, Japan
| | - Y. Miyazawa
- Graduate School of Science and Technology, Niigata University, Niigata, 950-2181, Japan
| | - K. Ogura
- Graduate School of Science and Technology, Niigata University, Niigata, 950-2181, Japan
| | - A. Sugawara
- Graduate School of Science and Technology, Niigata University, Niigata, 950-2181, Japan
| | - M. Hirata
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
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33
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Sato K, Sakamoto H, Hirata M, Kidokoro-Kobayashi M, Ozaki M, Higashi S, Murakami T. Relationship Among Establishment Durations, Kin Relatedness, Aggressiveness, and Distance Between Populations of Eight Invasive Argentine Ant (Hymenoptera: Formicidae) Supercolonies in Japan. J Econ Entomol 2017; 110:1676-1684. [PMID: 28531326 DOI: 10.1093/jee/tox141] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2016] [Indexed: 06/07/2023]
Abstract
We investigated kin relatedness and kin-recognition abilities of the Argentine ant, Linepithema humile (Mayr), an invader from North America that has pervaded Japan for 20 yr, using genetic analyses and behavioral bioassays. From these data and interactions among factors, we formulated an eradication and management time-scale pattern diagram. Relatedness within a colony using microsatellite markers was effectively zero, whereas relatedness estimated by multilocus DNA fingerprinting markers was relatively high. Specifically, relatedness of recently invaded populations was estimated at nearly 0.3. From the results of behavioral bioassays on the invading populations of the Argentine ant, all colonies except the Kobe supercolonies did not show clearly aggressive behaviors toward workers belonging to other colonies, even when distantly located. Because they are critical factors for eradicating and managing invasive organisms, we assessed the relationships among kin relatedness using multilocus DNA fingerprinting and microsatellite markers, with aggressiveness, in 2011 and 2012, including the establishment durations, and distances among supercolonies. A generalized linear model (GLM) analysis, with establishment durations as an explanatory variable, strongly contributed to explaining estimated relatedness from the two methods. Specifically, models using kin relatedness for both multilocus DNA fingerprinting and microsatellite markers provided the strongest contribution to explaining the establishment durations. Within 3 yr after establishment in a native area, eradication is possible because of their low genetic diversity and small colony size. After 15 yr, eradication will be more difficult, but it is preferable to just monitor the impact for a nonnative ecosystem.
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Affiliation(s)
- K Sato
- Hokkaido University of Education, Hakodate, Hokkaido 040-8567, Japan
- Chiba Oihama High School, Chiba, Chiba 260-0823, Japan
| | - H Sakamoto
- Faculty of Agriculture, Ibaraki University, Ami, Ibaraki 300-0393, Japan
| | - M Hirata
- Sapporo Ohtani High School, Sapporo, Hokkaido 065-0016, Japan
| | | | - M Ozaki
- Kobe University, Kobe, Hyogo 657-8501, Japan
| | - S Higashi
- Hokkaido University, Sapporo, Hokkaido 060-0808, Japan
| | - T Murakami
- Hokkaido University of Education, Hakodate, Hokkaido 040-8567, Japan
- Kyushu University, Decision Science, 744 Motooka, Fukuoka 819-0315, Japan
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Nakashima Y, Sakamoto M, Takeda H, Ichimura K, Hosoda Y, Iwamoto M, Shimizu K, Hosoi K, Oki K, Yoshikawa M, Hirata M, Ikezoe R, Imai T, Kariya T, Katanuma I, Kohagura J, Minami R, Numakura T, Wang X, Ichimura M. Recent Results of Divertor Simulation Experiments Using D-Module in the GAMMA 10/PDX Tandem Mirror. Fusion Science and Technology 2017. [DOI: 10.13182/fst14-882] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Y. Nakashima
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Sakamoto
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - H. Takeda
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - K. Ichimura
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - Y. Hosoda
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Iwamoto
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - K. Shimizu
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - K. Hosoi
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - K. Oki
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Yoshikawa
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Hirata
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - R. Ikezoe
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - T. Imai
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - T. Kariya
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - I. Katanuma
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - J. Kohagura
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - R. Minami
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - T. Numakura
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - X. Wang
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Ichimura
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
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Sumida S, Ichimura M, Yokoyama T, Hirata M, Ikezoe R, Iwamoto Y, Okada T, Takeyama K, Jang S, Sakamoto M, Nakashima Y, Yoshikawa M, Minami R, Oki K, Mizuguchi M, Ichimura K. High-Density Plasma Production in the GAMMA 10 Central Cell with ICRF Heating on Both Anchor Cells. Fusion Science and Technology 2017. [DOI: 10.13182/fst14-890] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- S. Sumida
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - M. Ichimura
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - T. Yokoyama
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - M. Hirata
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - R. Ikezoe
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - Y. Iwamoto
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - T. Okada
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - K. Takeyama
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - S. Jang
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - M. Sakamoto
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - Y. Nakashima
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - M. Yoshikawa
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - R. Minami
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - K. Oki
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - M. Mizuguchi
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - K. Ichimura
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
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Ikezoe R, Ichimura M, Hirata M, Yokoyama T, Iwamoto Y, Okada T, Sumida S, Takeyama K, Jang S, Oi T, Ichimura K, Nakashima Y. Extension of Operational Regimes with ICRF Heating on GAMMA 10/PDX. Fusion Science and Technology 2017. [DOI: 10.13182/fst14-853] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- R. Ikezoe
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - M. Ichimura
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - M. Hirata
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - T. Yokoyama
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - Y. Iwamoto
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - T. Okada
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - S. Sumida
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - K. Takeyama
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - S. Jang
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - T. Oi
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - K. Ichimura
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - Y. Nakashima
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
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Yokoyama T, Ichimura M, Fukuyama A, Sumida S, Hirata M, Ikezoe R, Iwamoto Y, Okada T, Takeyama K, Jang S. Analysis of Wave Excitation of the Phase-Control ICRF Antennas with Three-Dimensional Full Wave Code on GAMMA 10. Fusion Science and Technology 2017. [DOI: 10.13182/fst14-899] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- T. Yokoyama
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - M. Ichimura
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - A. Fukuyama
- Kyoto University, Graduate School of Engineering, Department of Nuclear Engineering, Kyoto, Japan
| | - S. Sumida
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - M. Hirata
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - R. Ikezoe
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - Y. Iwamoto
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - T. Okada
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - K. Takeyama
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - S. Jang
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
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Ikezoe R, Ichimura M, Okada T, Itagaki J, Hirata M, Sumida S, Jang S, Izumi K, Tanaka A, Yoshikawa M, Kohagura J, Sakamoto M, Nakashima Y. Multi-point measurement using two-channel reflectometer with antenna switching for study of high-frequency fluctuations in GAMMA 10. Rev Sci Instrum 2017; 88:033504. [PMID: 28372363 DOI: 10.1063/1.4978323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
A two-channel microwave reflectometer system with fast microwave antenna switching capability was developed and applied to the GAMMA 10 tandem mirror device to study high-frequency small-amplitude fluctuations in a hot mirror plasma. The fast switching of the antennas is controlled using PIN diode switches, which offers the significant advantage of reducing the number of high-cost microwave components and digitizers with high bandwidths and large memory that are required to measure the spatiotemporal behavior of the high-frequency fluctuations. The use of two channels rather than one adds the important function of a simultaneous two-point measurement in either the radial direction or the direction of the antenna array to measure the phase profile of the fluctuations along with the normal amplitude profile. The density fluctuations measured using this system clearly showed the high-frequency coherent fluctuations that are associated with Alfvén-ion-cyclotron (AIC) waves in GAMMA 10. A correlation analysis applied to simultaneously measured density fluctuations showed that the phase component that was included in a reflected microwave provided both high coherence and a clear phase difference for the AIC waves, while the amplitude component showed neither significant coherence nor clear phase difference. The axial phase differences of the AIC waves measured inside the hot plasma confirmed the formation of a standing wave structure. The axial variation of the radial profiles was evaluated and a clear difference was found among the AIC waves for the first time, which would be a key to clarify the unknown boundary conditions of the AIC waves.
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Affiliation(s)
- R Ikezoe
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - M Ichimura
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - T Okada
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - J Itagaki
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - M Hirata
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - S Sumida
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - S Jang
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - K Izumi
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - A Tanaka
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - M Yoshikawa
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - J Kohagura
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - M Sakamoto
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
| | - Y Nakashima
- Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
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Zhou R, Hirata M, Wu T, Vinograd I, Mayaffre H, Krämer S, Horvatić M, Berthier C, Reyes AP, Kuhns PL, Liang R, Hardy WN, Bonn DA, Julien MH. Quasiparticle Scattering off Defects and Possible Bound States in Charge-Ordered YBa_{2}Cu_{3}O_{y}. Phys Rev Lett 2017; 118:017001. [PMID: 28106424 DOI: 10.1103/physrevlett.118.017001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Indexed: 06/06/2023]
Abstract
We report the NMR observation of a skewed distribution of ^{17}O Knight shifts when a magnetic field quenches superconductivity and induces long-range charge-density-wave (CDW) order in YBa_{2}Cu_{3}O_{y}. This distribution is explained by an inhomogeneous pattern of the local density of states N(E_{F}) arising from quasiparticle scattering off, yet unidentified, defects in the CDW state. We argue that the effect is most likely related to the formation of quasiparticle bound states, as is known to occur, under specific circumstances, in some metals and superconductors (but not in the CDW state, in general, except for very few cases in 1D materials). These observations should provide insight into the microscopic nature of the CDW, especially regarding the reconstructed band structure and the sensitivity to disorder.
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Affiliation(s)
- R Zhou
- Laboratoire National des Champs Magnétiques Intenses, CNRS-Université Grenoble Alpes-UPS-INSA-EMFL, 38042 Grenoble, France
| | - M Hirata
- Laboratoire National des Champs Magnétiques Intenses, CNRS-Université Grenoble Alpes-UPS-INSA-EMFL, 38042 Grenoble, France
| | - T Wu
- Laboratoire National des Champs Magnétiques Intenses, CNRS-Université Grenoble Alpes-UPS-INSA-EMFL, 38042 Grenoble, France
| | - I Vinograd
- Laboratoire National des Champs Magnétiques Intenses, CNRS-Université Grenoble Alpes-UPS-INSA-EMFL, 38042 Grenoble, France
| | - H Mayaffre
- Laboratoire National des Champs Magnétiques Intenses, CNRS-Université Grenoble Alpes-UPS-INSA-EMFL, 38042 Grenoble, France
| | - S Krämer
- Laboratoire National des Champs Magnétiques Intenses, CNRS-Université Grenoble Alpes-UPS-INSA-EMFL, 38042 Grenoble, France
| | - M Horvatić
- Laboratoire National des Champs Magnétiques Intenses, CNRS-Université Grenoble Alpes-UPS-INSA-EMFL, 38042 Grenoble, France
| | - C Berthier
- Laboratoire National des Champs Magnétiques Intenses, CNRS-Université Grenoble Alpes-UPS-INSA-EMFL, 38042 Grenoble, France
| | - A P Reyes
- National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32310, USA
| | - P L Kuhns
- National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32310, USA
| | - R Liang
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
- Canadian Institute for Advanced Research, Toronto M5G 1Z8, Canada
| | - W N Hardy
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
- Canadian Institute for Advanced Research, Toronto M5G 1Z8, Canada
| | - D A Bonn
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
- Canadian Institute for Advanced Research, Toronto M5G 1Z8, Canada
| | - M-H Julien
- Laboratoire National des Champs Magnétiques Intenses, CNRS-Université Grenoble Alpes-EMFL, 38042 Grenoble, France
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Ando H, Takizawa K, Yoshida T, Matsushita K, Hirata M, Suzuki T. Wireless Multichannel Neural Recording With a 128-Mbps UWB Transmitter for an Implantable Brain-Machine Interfaces. IEEE Trans Biomed Circuits Syst 2016; 10:1068-1078. [PMID: 26930692 DOI: 10.1109/tbcas.2016.2514522] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Simultaneous recordings of neural activity at large scale, in the long term and under bio-safety conditions, can provide essential data. These data can be used to advance the technology for brain-machine interfaces in clinical applications, and to understand brain function. For this purpose, we present a new multichannel neural recording system that can record up to 4096-channel (ch) electrocorticogram data by multiple connections of customized application-specific integrated circuits (ASICs). The ASIC includes 64-ch low-noise amplifiers, analog time-division multiplexers, and 12-bit successive approximation register ADCs. Recorded data sampled at a rate of 1 kS/s are multiplexed with time division via an integrated multiplex board, and in total 51.2 Mbps of raw data for 4096 ch are generated. This system has an ultra-wideband (UWB) wireless unit for transmitting the recorded neural signals. The ASICs, multiplex boards, and UWB transmitter unit are designed with the aim of implanting them. From preliminary experiments with a human body-equivalent liquid phantom, we confirmed 4096-ch UWB wireless data transmission at 128 Mbps for distances below 20 mm .
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Nagayama A, Matsui A, Tachibana A, Suzuki N, Hirata M, Oishi Y, Hamaguchi Y, Murata Y, Okamoto Y. Evaluation of neoadjuvant weekly nanoparticle albumin-bound paclitaxel for HER2-negative breast cancer. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw365.75] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Ando H, Takizawa K, Yoshida T, Matsushita K, Hirata M, Suzuki T. Multichannel neural recording with a 128 Mbps UWB wireless transmitter for implantable brain-machine interfaces. Annu Int Conf IEEE Eng Med Biol Soc 2016; 2015:4097-100. [PMID: 26737195 DOI: 10.1109/embc.2015.7319295] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
To realize a low-invasive and high accuracy BMI (Brain-machine interface) system, we have already developed a fully-implantable wireless BMI system which consists of ECoG neural electrode arrays, neural recording ASICs, a Wi-Fi based wireless data transmitter and a wireless power receiver with a rechargeable battery. For accurate estimation of movement intentions, it is important for a BMI system to have a large number of recording channels. In this paper, we report a new multi-channel BMI system which is able to record up to 4096-ch ECoG data by multiple connections of 64-ch ASICs and time division multiplexing of recorded data. This system has an ultra-wide-band (UWB) wireless unit for transmitting the recorded neural signals to outside the body. By preliminary experiments with a human body equivalent liquid phantom, we confirmed 4096-ch UWB wireless data transmission at 128 Mbps mode below 20 mm distance.
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Honda Y, Nakamizo S, Dainichi T, Sasai R, Mimori T, Hirata M, Kataoka TR, Murata Y, Otsuka A, Kabashima K. Adult-onset asthma and periocular xanthogranuloma associated with IgG4-related disease with infiltration of regulatory T cells. J Eur Acad Dermatol Venereol 2016; 31:e124-e125. [PMID: 27519554 DOI: 10.1111/jdv.13873] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Y Honda
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - S Nakamizo
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - T Dainichi
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - R Sasai
- Department of Rheumatology and Clinical Immunology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - T Mimori
- Department of Rheumatology and Clinical Immunology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - M Hirata
- Department of Diagnostic Pathology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - T R Kataoka
- Department of Diagnostic Pathology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Y Murata
- Department of Dermatology, Hyogo Cancer Center, Akashi, Japan
| | - A Otsuka
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - K Kabashima
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
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Watanabe M, Nomura G, Hirata M, Imai K, Koizumi H. Studies on the validity of urinary enzyme assay in the diagnosis of drug-induced renal lesions in rats. Toxicol Pathol 2016. [DOI: 10.1177/019262338000800202] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The validity of urinary enzyme assays in the diagnosis of renal lesions was studied in rats for evaluation in comparison with other tests such as urinalysis and serum biochemical assay. Tubular damages of slight or severe degree were induced by daily intramuscular administration of 500 mg/kg or 1,000 mg/kg of kanamycin (KM) for 7 and 6 days respectively. Glomerular lesions were induced subcutaneous injection of 30 mg/kg of puromycin (PM) for 6 days. The enzymes, assayed daily before and after the onset of administration, were lactic dehydrogenase (LDH), aspartate aminotransferase (GOT), alkaline phosphatase (AI-P), acid phosphatase (Ac-P), leucin aminopeptidase (LAP) and γ-glutamyl transpeptidase (γ-GT). The distribution of these enzymic activities in the kidneys was histochemically examined. Assays of LDH and GOT on the kidney tissue homogenate were also conducted. Histological alterations of the kidneys were examined in the rats sacrificed after termination of administration. Significant elevation of the LDH and GOT urine levels were observed within 24 hours in rats treated with 500 mg/kg of KM with the high enzyme levels being maintained throughout the administration period, while the other enzymes remained within pretreatment levels or were only slightly elevated. Serum urea nitrogen (BUN) and creatinine levels remained unchanged with no abnormality being found in the urinalysis of this group. In the group treated with 1,000 mg/ kg of KM, concomitant rising of all urine enzyme levels was observed, with elevation of the LDH and GOT levels being extreme while the BUN and serum creatinine levels rose only at the termination of the administration period. The BUN level rose earlier than did most of the urinary enzymes in puromycin-treated rats. Depletion of LDH activity was histochemically demonstrated in the kidneys where no histological alteration was observable, while the activities of AI-P, γ-GT, and LAP showed no distinct changes until the tabular destruction became severe. Upon termination of both KM and PM administration, the depletion of LDH and GOT activities was noted in a kidney homogenate assay for the enzymes. These results clearly showed that among the enzymes studied, the LDH and GOT urine levels are the most sensitive indicators for detecting proximal tubular lesions induced by KM. It was further demonstrated that the urinary enzyme assay in combination with serum BUN measurement is an effective examination for distinguishing tubular from glomerular lesions.
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Affiliation(s)
- M. Watanabe
- Departments of Pathology and Toxicology and Blood Chemistry, Pre-clinical Research Laboratories, Central Institute for Experimental Animals, 1433, Nogawa, Takatsu-ku, Kawasaki, Japan
| | - G. Nomura
- Departments of Pathology and Toxicology and Blood Chemistry, Pre-clinical Research Laboratories, Central Institute for Experimental Animals, 1433, Nogawa, Takatsu-ku, Kawasaki, Japan
| | - M. Hirata
- Departments of Pathology and Toxicology and Blood Chemistry, Pre-clinical Research Laboratories, Central Institute for Experimental Animals, 1433, Nogawa, Takatsu-ku, Kawasaki, Japan
| | - K. Imai
- Departments of Pathology and Toxicology and Blood Chemistry, Pre-clinical Research Laboratories, Central Institute for Experimental Animals, 1433, Nogawa, Takatsu-ku, Kawasaki, Japan
| | - H. Koizumi
- Departments of Pathology and Toxicology and Blood Chemistry, Pre-clinical Research Laboratories, Central Institute for Experimental Animals, 1433, Nogawa, Takatsu-ku, Kawasaki, Japan
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Hayashi J, Nakashima K, Noguchi A, Hirata M, Akazawa K, Kashiwagi S. Antiviral Effect of Interferon Therapy for Patients with Chronic Hepatitis C. ACTA ACUST UNITED AC 2016. [DOI: 10.1177/095632029200300509] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Thirty-two patients with chronic hepatitis who were positive for hepatitis C virus (HCV) RNA by polymerase chain reaction and had antibody to HCV (anti-HCV), were enrolled in this study. Twenty of them were also positive for antibody to the GOR epitope (anti-GOR). Sixteen of the enrolled patients were treated with human lymphoblastoid interferon for six months. Treatment was initiated with 3 million units of interferon daily for 2 weeks, followed by 3 million units three times a week for 6 weeks and 1.5 million units three times a week for 16 weeks. The efficacy of therapy was assessed by comparison with the results in 16 untreated patients. Aminotransferase values, titre of anti-HCV and anti-GOR antibodies showed significant decreases throughout the therapy compared with baseline levels and the untreated patients. After a 3 month follow-up, nine treated patients (56.3%) had normal aminotransferase activities and six of them eliminated HCV RNA from their sera (37.5%). Three of these six patients became negative for both anti-HCV and anti-GOR antibodies (18.8%). None of the untreated control patients had normal aminotransferase activities or became negative for HCV markers. The present study suggests that human lymphoblastoid interferon can control the disease activity and eliminate hepatitis C virus from patients with chronic hepatitis C.
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Affiliation(s)
- J. Hayashi
- Department of General Medicine, Kyushu University Hospital, Higashi-ku, Fukuoka 812, Japan
| | - K. Nakashima
- Department of General Medicine, Kyushu University Hospital, Higashi-ku, Fukuoka 812, Japan
| | - A. Noguchi
- Department of General Medicine, Kyushu University Hospital, Higashi-ku, Fukuoka 812, Japan
| | - M. Hirata
- Department of General Medicine, Kyushu University Hospital, Higashi-ku, Fukuoka 812, Japan
| | - K. Akazawa
- Department of Medical Information, Kyushu University Hospital, Higashi-ku, Fukuoka 812, Japan
| | - S. Kashiwagi
- Department of General Medicine, Kyushu University Hospital, Higashi-ku, Fukuoka 812, Japan
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Yamada K, Muramoto H, Araki H, Kakuchi Y, Miyagi K, Kitajima S, Tani Y, Onoe T, Hirata M, Takeda M, Miyazaki R, Kawano M. MP052THE USEFULNESS OF TOLVAPTAN IN PATIENTS WITH AUTOSOMAL DOMINANT POLYCYSTIC KIDNEY DISEASE WITH CHRONIC KIDNEY DISEASE STAGE G3 TO G4. Nephrol Dial Transplant 2016. [DOI: 10.1093/ndt/gfw182.22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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48
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Kubo K, Monzen H, Tamura M, Hirata M, Nishimura Y. EP-1752: A study of suitable conditions for stereotactic radiation therapy using VMAT for lung cancer. Radiother Oncol 2016. [DOI: 10.1016/s0167-8140(16)33003-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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49
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Nishimura Y, Fujii N, Nakata S, Yamamoto T, Hirata M, Iwata N, Moral S, Ahmed W, Hamed M, Suzuki K. Retropharyngeal airway has no change in volume, but that morphological findings manifest change after uvulopalatopharyngoplasty. Sleep Med 2015. [DOI: 10.1016/j.sleep.2015.02.1465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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50
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Okada T, Ikezoe R, Ichimura M, Hirata M, Yokoyama T, Iwamoto Y, Sumida S, Takeyama K, Jang S, Yoshikawa M, Kohagura J, Shima Y. Internal Measurement of Propagation of ICRF Waves by Using Reflectometers on GAMMA 10. Fusion Science and Technology 2015. [DOI: 10.13182/fst14-898] [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] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- T. Okada
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - R. Ikezoe
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - M. Ichimura
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - M. Hirata
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - T. Yokoyama
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - Y. Iwamoto
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - S. Sumida
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - K. Takeyama
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - S. Jang
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - M. Yoshikawa
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - J. Kohagura
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
| | - Y. Shima
- University of Tsukuba, Plasma Research Center, Tsukuba, Japan
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