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Inabu Y, Kurosu K, Osawa R, Hasunuma T, Tsuji N, Funo H, Nishimura K, Kushibiki S, Kawashima K, Sugino T. Effect of kraft pulp inclusion in calf starter on performance, health, and plasma concentration of glucagon-like peptide 2 in calves. J Dairy Sci 2023; 106:4443-4453. [PMID: 37080779 DOI: 10.3168/jds.2022-22548] [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: 07/19/2022] [Accepted: 12/27/2022] [Indexed: 04/22/2023]
Abstract
Kraft pulp (KP), an intermediate product obtained when wood chips are converted to paper, contains highly digestible fiber. This study evaluated the effect of KP inclusion in calf starters on growth performance, health, and plasma glucagon-like peptide 2 (GLP-2) concentration in calves. Twenty-five Holstein heifer calves were raised on a high plane of nutrition program using milk replacer containing 29% crude protein and 18% fat until 49 d after birth, and were fed calf starters containing KP at 0 (CON; n = 14) or 12% (KPS; n = 11) on a dry matter basis. All calves were fed the treatment calf starters and timothy hay ad libitum. Blood was collected at 4, 14, 21, 35, 49, 70, and 91 d after birth. Dry matter intake (DMI) of milk replacer and hay was not affected by treatment, whereas calf starter DMI was lower for KPS (0.93 kg/d) than for CON (1.03 kg/d). Higher neutral detergent fiber (NDF) content in KPS (31.7%) than in the CON starter (22.1%) resulted in higher NDF intake for KPS (0.55 kg/d) than for CON (0.47 kg/d). However, the consumption of starch was lower for KPS (0.29 kg/d) than for CON (0.33 kg/d). Despite the lower starter intake for KPS, body weight and average daily gain did not differ between treatments. No significant difference was observed in the plasma concentrations of metabolites, except for β-hydroxybutyrate (BHB); BHB concentration was lower for KPS (216 μmol/L) than for CON (257 μmol/L). The area under the curve for plasma GLP-2 concentration was higher for KPS (54.1 ng/mL × d) than for CON (36.0 ng/mL × d). Additionally, the fecal score postweaning (1.19 and 1.48 for KPS and CON, respectively) and the number of days that calves developed diarrhea throughout the experimental period (2.50 d and 8.10 d for KPS and CON, respectively) were lower for KPS than for CON. These results indicate that feeding KP reduces the severity and frequency of diarrhea without adversely affecting growth performance. This could be attributed to the increased plasma GLP-2 concentration induced by higher NDF intake.
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Affiliation(s)
- Y Inabu
- Kuju Agricultural Research Center, Graduate School of Agriculture, Kyushu University, Oita, Japan 878-0201; Dairy Nutrition and Feeding Management, Graduate School of Integrated Sciences for Life, Hiroshima University, Japan 739-8528
| | - K Kurosu
- Nippon Paper Industries Co. Ltd., Tokyo, Japan 114-0002
| | - R Osawa
- Saitama Prefectural Agricultural Technology Research Center, Saitama, Japan 360-0102
| | - T Hasunuma
- Toyama Prefectural Agricultural, Forestry and Fisheries Research Center, Toyama, Japan 939-2622
| | - N Tsuji
- Yamanashi Livestock and Dairy Farming Technology Center, Yamanashi, Japan 408-0021
| | - H Funo
- Shimane Prefectural Eastern Agriculture, Forestry and Fisheries Promotion Center, Yunnan Office, Shimane, Japan 693-0031
| | - K Nishimura
- Miyazaki Livestock Research Institute, Miyazaki, Japan 889-4411
| | - S Kushibiki
- Institute of Livestock and Grassland Science, NARO, Ibaraki, Japan 305-0901
| | - K Kawashima
- Chiba Prefectural Livestock Research Center, Chiba, Japan 289-1113
| | - T Sugino
- Dairy Nutrition and Feeding Management, Graduate School of Integrated Sciences for Life, Hiroshima University, Japan 739-8528.
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Hase I, Higashi Y, Eisaki H, Kawashima K. Flat band ferromagnetism in Pb[Formula: see text]Sb[Formula: see text]O[Formula: see text] via a self-doped mechanism. Sci Rep 2023; 13:4743. [PMID: 36959386 PMCID: PMC10036504 DOI: 10.1038/s41598-023-31917-w] [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: 10/18/2022] [Accepted: 03/20/2023] [Indexed: 03/25/2023] Open
Abstract
Electron systems with strong geometrical frustrations have flat bands, and their unusual band dispersions are expected to induce a wide variety of physical properties. However, for the emergence of such properties, the Fermi level must be pinned within the flat band. In this study, we performed first-principles calculations on pyrochlore oxide Pb[Formula: see text]Sb[Formula: see text]O[Formula: see text] and theoretically clarified that the self-doping mechanism induces pinning of the Fermi level in the flat band in this system. Therefore, a very high density of states is realized at the Fermi level, and the ferromagnetic state transforms into the ground state via a flat band mechanism, although the system does not contain any magnetic elements. This compound has the potential to serve as a new platform for projecting the properties of flat band systems in the real world.
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Affiliation(s)
- I. Hase
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 2, 1-1-1 Umezono, Tsukuba, 305-8568 Japan
| | - Y. Higashi
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 2, 1-1-1 Umezono, Tsukuba, 305-8568 Japan
| | - H. Eisaki
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 2, 1-1-1 Umezono, Tsukuba, 305-8568 Japan
| | - K. Kawashima
- IMRA-JAPAN Material R &D Co. Ltd., 2-1 Asahi-machi, Kariya, Aichi 448-0032 Japan
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Tsuda T, Hayama M, Maeda Y, Takeda K, Nishiike S, Kawashima K, Inohara H. Online workshops on the teaching and practice of endoscopic sinus surgery techniques during the COVID-19 pandemic. RHINOL 2021. [DOI: 10.4193/rhinol/21.025] [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: 11/08/2022] Open
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Kawashima K, Ogawa H, Komura S, Ishihara T, Yamaguchi Y, Akiyama H, Matsumoto K. Heparan sulfate deficiency leads to hypertrophic chondrocytes by increasing bone morphogenetic protein signaling. Osteoarthritis Cartilage 2020; 28:1459-1470. [PMID: 32818603 PMCID: PMC7606622 DOI: 10.1016/j.joca.2020.08.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 08/03/2020] [Accepted: 08/11/2020] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Exostosin-1 (EXT1) and EXT2 are the major genetic etiologies of multiple hereditary exostoses and are essential for heparan sulfate (HS) biosynthesis. Previous studies investigating HS in several mouse models of multiple hereditary exostoses have reported that aberrant bone morphogenetic protein (BMP) signaling promotes osteochondroma formation in Ext1-deficient mice. This study examined the mechanism underlying the effects of HS deficiency on BMP/Smad signaling in articular cartilage in a cartilage-specific Ext-/- mouse model. METHOD We generated mice with a conditional Ext1 knockout in cartilage tissue (Ext1-cKO mice) using Prg4-Cre transgenic mice. Structural cartilage alterations were histologically evaluated and phospho-Smad1/5/9 (pSmad1/5/9) expression in mouse chondrocytes was analyzed. The effect of pharmacological intervention of BMP signaling using a specific inhibitor was assessed in the articular cartilage of Ext1-cKO mice. RESULTS Hypertrophic chondrocytes were significantly more abundant (P = 0.021) and cartilage thickness was greater in Ext1-cKO mice at 3 months postnatal than in control littermates (P = 0.036 for femur; and P < 0.001 for tibia). However, osteoarthritis did not spontaneously occur before the 1-year follow-up. matrix metalloproteinase (MMP)-13 and adamalysin-like metalloproteinases with thrombospondin motifs(ADAMTS)-5 were upregulated in hypertrophic chondrocytes of transgenic mice. Immunostaining and western blotting revealed that pSmad1/5/9-positive chondrocytes were more abundant in the articular cartilage of Ext1-cKO mice than in control littermates. Furthermore, the BMP inhibitor significantly decreased the number of hypertrophic chondrocytes in Ext1-cKO mice (P = 0.007). CONCLUSIONS HS deficiency in articular chondrocytes causes chondrocyte hypertrophy, wherein upregulated BMP/Smad signaling partially contributes to this phenotype. HS might play an important role in maintaining the cartilaginous matrix by regulating BMP signaling.
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Affiliation(s)
- K. Kawashima
- Department of Orthopaedic Surgery, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu, Japan
| | - H. Ogawa
- Department of Orthopaedic Surgery, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu, Japan
| | - S. Komura
- Department of Orthopaedic Surgery, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu, Japan
| | - T. Ishihara
- Innovative and Clinical Research Promotion Center, Gifu University Hospital, 1-1 Yanagido, Gifu, Japan
| | - Y. Yamaguchi
- Human Genetics Program, Sanford Burnham Prebys Medical Discovery Institute, 10901 North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - H. Akiyama
- Department of Orthopaedic Surgery, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu, Japan
| | - K. Matsumoto
- Department of Orthopaedic Surgery, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu, Japan,Address correspondence and reprint requests to: K. Matsumoto, Department of Orthopedic Surgery, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu, 501-1194, Japan. Tel.: 81-58-230-6333; Fax: 81-58-230-6334. (K. Matsumoto)
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Nomoto K, Kawashima K, Hirashiki A, Kokubo M, Shimizu A, Arai H, Toba K, Murohara T. P103 Heart failure with preserved ejection fruction defines the progression of abnormal brain aging: a prospective study of young-old hypertensive patients. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehz872.047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Funding Acknowledgements
Ministry of Health, Labor and Welfare (MHLW) Geriatrics and Gelontorogy sponsored research funds
Background & purpose: Recently, many longitudinal studies have shown that heart failure with reduced ejection fraction (HFrEF) is associated with various types of brain abnormalities: cerebral micro-bleeding, atrophy, or pathologic degeneration (white matter hyperintensity; WMH). These brain abnormalities are known to increase with aging and to be closely associated with cognitive impairment. Heart failure with preserved ejection fraction (HFpEF) also increases with aging, but there have been few longitudinal studies to address the relationship between HFpEF and brain abnormalities. Thus, this longitudinal study aimed to clarify this relationship by focusing on WMH volume.
METHODS
The participants were 111 well-controlled hypertensive patients aged between 65 and 75 years with normal LV contraction and no history of symptomatic heart failure, ischemic heart disease, atrial fibrillation, stroke, or cognitive dysfunction. The participants were classified into 3 groups: Low E/e", E/e" < 8; Middle E/e", 8≤ E/e" ≤ 15; and High E/e", E/e" > 15. WMH volume was quantified on brain magnetic resonance imaging using analytical software.
RESULTS
During the mean 2.6 ± 1.0-year follow-up period, the rate of increase of WMH volume was significantly higher in the high E/e" group (1.1 ± 1.2 mL/year) than in the low E/e" group (0.30 ± 0.78 mL/year; P = 0.0238). Linear regression analysis including other confounders showed that the only positive association was between the rate of increase of WMH volume and the E/e" ratio (beta- coefficient = 0.225, P = 0.018).
CONCLUSION
The severity of LV diastolic dysfunction is positively correlated with increasing WMH volume.
Abstract P103 Figure. The rates of increase of WMH volumes
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Affiliation(s)
- K Nomoto
- National Center for Geriatrics and Gerontology, Cardiology, Obu, Japan
| | - K Kawashima
- National Center for Geriatrics and Gerontology, Cardiology, Obu, Japan
| | - A Hirashiki
- National Center for Geriatrics and Gerontology, Cardiology, Obu, Japan
| | - M Kokubo
- National Center for Geriatrics and Gerontology, Cardiology, Obu, Japan
| | - A Shimizu
- National Center for Geriatrics and Gerontology, Cardiology, Obu, Japan
| | - H Arai
- National Center for Geriatrics and Gerontology, Gerontology, Obu, Japan
| | - K Toba
- National Center for Geriatrics and Gerontology, Gerontology, Obu, Japan
| | - T Murohara
- Nagoya University Graduate School of Medicine, Cardiology, Nagoya, Japan
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Shimura A, Takaesu Y, Ito J, Katayose Y, Nieda K, Kawashima K, Hashimoto M, Kunoki K, Toumei K, Inoue T. A randomized controlled trial: tailored sleep hygiene intervention reduced high school students' sleep disturbance, absenteeism, presenteeism, and dropout. Sleep Med 2019. [DOI: 10.1016/j.sleep.2019.11.973] [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: 11/28/2022]
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7
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Hirashiki A, Kawashima K, Nomoto K, Kokubo M, Shimizu A, Arai H. P768Cardiopulmonary exercise testing for assessing frailty status in stable elderly patients with heart failure. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz747.0368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
Frailty is a syndrome associated with aging that produces subclinical dysfunction across multiple organ systems and leads to increased risk of mortality. The Kihon Checklist (KCL) was developed by the Japanese Ministry of Health, Labor and Welfare to identify older persons in need of care; it is a reliable tool for predicting general frailty in older adults. There is little information about the relationship between frailty status and exercise capacity.
Purpose
To investigate whether cardiopulmonary exercise testing (CPX) parameters are associated with frailty in stable elderly patients with heart failure (HF).
Methods
Ninety-two stable elderly patients with HF were evaluated by using CPX and the total KCL (t-KCL). A t-KCL score of 0–3 was classified as robust, 4–7 as pre-frail, and ≥8 as frail. Diagnostic performance (DP) -plot analysis was used to assess the utility of CPX parameters to distinguish between the presence and absence of frailty.
Results
Mean age, left ventricular ejection fraction, plasma brain natriuretic peptide, peak work rate (WR), peak VO2, and t-KCL score were 81.7 years, 57.8%, 182 pg/mL, 49.6 W, 13.2 mL/kg/min, and 10.7, respectively. t-KCL score was significantly correlated with peak VO2 (r=−0.53, p<0.001) and peak WR (r=−0.63, p<0.001). In the patients with frailty (n=63), peak WR was significantly lower than that in patients without frailty (n=29; 40.8 and 71.0 W, respectively, p<0.001). Multivariate analysis revealed that peak WR was the only significant independent predictor of frailty (β=−0.111, p<0.001). In the DP-plot analysis, a cut-off value for peak WR of 51.9 W was the best predictor of frailty (accuracy; 0.706, Figure).
Cut-off value for peak WR
Conclusions
Frailty status was significantly associated with peak WR in stable elderly patients with HF. CPX may be useful for assessing frailty status in stable elderly patients with HF.
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Affiliation(s)
- A Hirashiki
- National Center for Geriatrics and Gerontology, Obu, Japan
| | - K Kawashima
- National Center for Geriatrics and Gerontology, Obu, Japan
| | - K Nomoto
- National Center for Geriatrics and Gerontology, Obu, Japan
| | - M Kokubo
- National Center for Geriatrics and Gerontology, Obu, Japan
| | - A Shimizu
- National Center for Geriatrics and Gerontology, Obu, Japan
| | - H Arai
- National Center for Geriatrics and Gerontology, Obu, Japan
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Ishimaru S, Haunuma T, Kawashima K, Yamaguchi T, Asakuma S, Kushibiki S, Obitsu T, Sugino T. WPSI-2 Calcium salts of medium-chain fatty acids supplementation increased milk production and changed plasma hormone concentration in mid-lactating cows. J Anim Sci 2018. [DOI: 10.1093/jas/sky404.1118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- S Ishimaru
- The Research Center for Animal Science, Graduate School of Biosphere Science, Hiroshima University,Hiroshima, Japan
| | - T Haunuma
- Toyama Prefectural Agricultural, Forestry & Fisheries Research Center,Toyama City, Japan
| | - K Kawashima
- Chiba Prefectural Livestock Research Center, Chuo-ku, Chiba-shi, Japan
| | - T Yamaguchi
- Chiba Prefectural Livestock Research Center,Tokyo, Japan
| | - S Asakuma
- Hokkaido Agricultural Research center,Hokkaido, Japan
| | - S Kushibiki
- National Institute of Livestock and Grassland Science,Ibaraki, Japan
| | - T Obitsu
- The Research Center for Animal Science, Graduate School of Biosphere Science, Hiroshima University,Higashihiroshima, Japan
| | - T Sugino
- The Research Center for Animal Science, Graduate School of Biosphere Science, Hiroshima University,Higashihiroshima, Japan
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Hase I, Yanagisawa T, Aiura Y, Kawashima K. Possibility of Flat-Band Ferromagnetism in Hole-Doped Pyrochlore Oxides Sn_{2}Nb_{2}O_{7} and Sn_{2}Ta_{2}O_{7}. Phys Rev Lett 2018; 120:196401. [PMID: 29799253 DOI: 10.1103/physrevlett.120.196401] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Indexed: 05/03/2023]
Abstract
Quantum mechanics tells us that the hopping integral between local orbitals makes the energy band dispersive. In a lattice with geometric frustration, however, dispersionless flat bands may appear due to quantum interference. Several models possessing flat bands have been proposed theoretically, and many attracting magnetic and electronic properties are predicted. However, despite many attempts to realize these models experimentally, compounds that are appropriately described by this model have not been found so far. Here we show that pyrochlore oxides Sn_{2}Nb_{2}O_{7} and Sn_{2}Ta_{2}O_{7} are such examples, by performing first-principles band calculation and several tight-binding analyses. Moreover, spin-polarized band calculation shows that the hole-doped systems Sn_{2}Nb_{2}O_{6}N and Sn_{2}Ta_{2}O_{6}N have complete spin polarization, and their magnetic moments are mostly carried by Sn-s and N-p orbitals, which are usually nonmagnetic. These compounds are not only candidates for ferromagnets without a magnetic element, but also will provide an experimental platform for a flat-band model which shows a wide range of physical properties.
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Affiliation(s)
- I Hase
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 2, 1-1-1 Umezono, Tsukuba 305-8568, Japan
| | - T Yanagisawa
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 2, 1-1-1 Umezono, Tsukuba 305-8568, Japan
| | - Y Aiura
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 2, 1-1-1 Umezono, Tsukuba 305-8568, Japan
| | - K Kawashima
- IMRA, Material R&D Co. Ltd., 2-1 Asahi-machi, Kariya, Aichi 448-0032, Japan
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10
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Abstract
Quantum mechanics states that hopping integral between local orbitals makes the energy band dispersive. However, in some special cases, there are bands with no dispersion due to quantum interference. These bands are called as flat band. Many models having flat band have been proposed, and many interesting physical properties are predicted. However, no real compound having flat band has been found yet despite the 25 years of vigorous researches. We have found that some pyrochlore oxides have quasi-flat band just below the Fermi level by first principles calculation. Moreover, their valence bands are well described by a tight-binding model of pyrochlore lattice with isotropic nearest neighbor hopping integral. This model belongs to a class of Mielke model, whose ground state is known to be ferromagnetic with appropriate carrier doping and on-site repulsive Coulomb interaction. We have also performed a spin-polarized band calculation for the hole-doped system from first principles and found that the ground state is ferromagnetic for some doping region. Interestingly, these compounds do not include magnetic element, such as transition metal and rare-earth elements.
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Affiliation(s)
- I. Hase
- National Institute of Advanced Industrial Science and Technology (AIST), AIST Central 2, Umezono 1-1-4, Tsukuba, Ibaraki 305-8568 Japan
| | - T. Yanagisawa
- National Institute of Advanced Industrial Science and Technology (AIST), AIST Central 2, Umezono 1-1-4, Tsukuba, Ibaraki 305-8568 Japan
| | - K. Kawashima
- IMRA Material R&D Co. Ltd., Kariya, Aichi 448-0032 Japan
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11
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Hase I, Yanagisawa T, Kawashima K. One Way to Design a Valence-Skip Compound. Nanoscale Res Lett 2017; 12:127. [PMID: 28235362 PMCID: PMC5315650 DOI: 10.1186/s11671-017-1897-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Accepted: 02/03/2017] [Indexed: 06/06/2023]
Abstract
Valence-skip compound is a good candidate with high T c and low anisotropy because it has a large attractive interaction at the site of valence-skip atom. However, it is not easy to synthesize such compound because of (i) the instability of the skipping valence state, (ii) the competing charge order, and (iii) that formal valence may not be true in some compounds. In the present study, we show several examples of the valence-skip compounds and discuss how we can design them by first principles calculations. Furthermore, we calculated the electronic structure of a promising candidate of valence skipping compound RbTlCl3 from first principles. We confirmed that the charge-density wave (CDW) is formed in this compound, and the Tl atoms in two crystallographic different sites take the valence Tl1+ and Tl3+. Structure optimization study reveals that this CDW is stable at the ambient pressure, while this CDW gap can be collapsed when we apply pressure with several gigapascals. In this metallic phase, we can expect a large charge fluctuation and a large electron-phonon interaction.
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Affiliation(s)
- I. Hase
- National Institute of Advanced Industrial Science and Technology (AIST), AIST Central 2, Umezono 1-1-4, Tsukuba, Ibaraki 305-8568 Japan
| | - T. Yanagisawa
- National Institute of Advanced Industrial Science and Technology (AIST), AIST Central 2, Umezono 1-1-4, Tsukuba, Ibaraki 305-8568 Japan
| | - K. Kawashima
- IMRA Material R&D Co., Ltd., Kariya, Aichi 448-0032 Japan
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12
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Yokomizo A, Satoh T, Hashine K, Inoue T, Fujimoto K, Egawa S, Habuchi T, Kawashima K, Ishizuka O, Shinohara N, Sugimoto M, Yoshino Y, Wakabayashi M, Nihei K, Fukuda H, Tobisu KI, Kakehi Y, Naito S. Randomized controlled trial comparing radiotherapy +/- endocrine therapy versus endocrine therapy alone for PSA failure after radical prostatectomy: Japan Clinical Oncology Group Study JCOG0401. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx370.005] [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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13
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Kunimura A, Ishii H, Aoki T, Hirayama K, Harada K, Sumi T, Shibata Y, Negishi Y, Kawashima K, Tatami Y, Kawamiya T, Yamamoto D, Suzuki S, Amano T, Murohara T. P1548Impact of nutritional and inflammatory status on cardiovascular outcomes in patients with stable coronary artery disease. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p1548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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14
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Nagpal R, Tsuji H, Takahashi T, Nomoto K, Kawashima K, Nagata S, Yamashiro Y. Gut dysbiosis following C-section instigates higher colonisation of toxigenic Clostridium perfringens in infants. Benef Microbes 2017; 8:353-365. [PMID: 28504574 DOI: 10.3920/bm2016.0216] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Herein we investigated the intestinal carriage of α-toxigenic and enterotoxigenic Clostridium perfringens during infancy, focusing on its association with other gut microbes and mode of delivery and feeding. Faecal samples from 89 healthy term infants were collected at age 7 days, 1 month, 3 months, 6 months and 3 years. C. perfringens was quantified by qPCR; other gut bacteria were quantified by reverse-transcription-qPCR. Alpha-toxigenic C. perfringens was detected in 3.4% infants at day 7 but was present in 35-40% infants at subsequent time-points, with counts ranging from 103-107 cells/g faeces. Enterotoxigenic C. perfringens remained undetected at day 7 but was detected in 1.1, 4.5, 10.1 and 4.5% infants at 1 month, 3 months, 6 months and 3 years, respectively. Intriguingly, infants carrying α-toxigenic C. perfringens had lower levels of Bacteroides fragilis group, bifidobacteria, lactobacilli and organic acids as compared to non-carriers. Further analyses revealed that, compared to vaginally-born infants, caesarean-born infants had higher carriage of C. perfringens and lower levels of B. fragilis group, bifidobacteria, lactobacilli and faecal organic acids during first 6 months. Compared to formula-fed infants, breast-fed infants were slightly less often colonised with C. perfringens; and within caesarean-born infants, breast-fed infants had slightly lower levels of C. perfringens and higher levels of B. fragilis group, bifidobacteria, and lactobacilli than formula-fed infants. This study demonstrates the quantitative dynamics of toxigenic C. perfringens colonisation in infants during the early years of life. Caesarean-born infants acquire a somewhat perturbed microbiota, and breast-feeding might be helpful in ameliorating this dysbiosis. Higher carriage of toxigenic C. perfringens in healthy infants is intriguing and warrants further investigation of its sources and clinical significance in infants, particularly the caesarean-born who may represent a potential reservoir of this opportunistic pathogen and might be more prone to associated illnesses.
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Affiliation(s)
- R Nagpal
- 1 Laboratory for Probiotics Research (Yakult), Juntendo University, Graduate School of Medicine, Hongo 2-9-8-3F, Bunkyo-ku, Tokyo 113-0033, Japan
| | - H Tsuji
- 2 Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - T Takahashi
- 2 Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - K Nomoto
- 2 Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - K Kawashima
- 3 Gonohashi Obstetrics and Gynecology Hospital, 6 Chome-1-6 Kameido, Koto, Tokyo 136-0071, Japan
| | - S Nagata
- 4 Department of Pediatrics, School of Medicine, Tokyo Women's Medical University, 8-1 Kawadacho, Shinjuku-ku, Tokyo 162-8666, Japan
| | - Y Yamashiro
- 1 Laboratory for Probiotics Research (Yakult), Juntendo University, Graduate School of Medicine, Hongo 2-9-8-3F, Bunkyo-ku, Tokyo 113-0033, Japan
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15
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Narita M, Yamada M, Tsuboi T, Kawashima K. Immunohistopathology of Calf Pneumonia Induced by Endobronchial Inoculation with Bovine Adenovirus 3. Vet Pathol 2016; 39:565-71. [PMID: 12243466 DOI: 10.1354/vp.39-5-565] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Three 1-week-old and three 3-month-old Holstein calves that had received colostrum were inoculated endobronchially with bovine adenovirus 3 (BAV-3). The gross and histologic lesions in these six infected calves were localized mainly in the right caudal lobe of the lung and were closely associated with the site of the deposition of the inoculum. The pneumonic lesions were severe necrotizing bronchitis, bronchiolitis, and alveolitis, accompanied by infiltration of inflammatory cells and proliferation of type 2 pneumocytes. Intranuclear inclusion bodies, BAV-3 antigen, and virus particles were detected in the degenerated epithelial cells in the 1-week-old but not the 3-month-old calves. After infection, the total cell count in the bronchoalveolar lavage (BAL) fluid cells was increased. The results of BAV-3 isolation from BAL fluid were correlated with the detection of intranuclear inclusion bodies in the desquamated epithelial cells in the BAL fluid cells from the right caudal lobe but not in cells from the left caudal lobe. CD8+ T lymphocytes in the pneumonic lesion were found only in the 3-month-old infected calves. The difference in the immunopathologic reactions between the 1-week-old and the 3-month-old infected calves may be attributed to differences in immune system development.
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Affiliation(s)
- M Narita
- National Institute of Animal Health, Kamikita, Aomori, Japan
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Kikuchi K, Moriuchi R, Inokuma D, Ito T, Kawashima K, Yoshida T, Nozaki A, Horiuchi K, Nakayama C, Itami H, Yanai M, Fukasawa Y, Kimura T, Shimizu S. Immunohistochemical analysis of extramammary Paget's disease with Bowenoid features: case report and review of the literature. J Eur Acad Dermatol Venereol 2015; 30:1404-5. [PMID: 26289934 DOI: 10.1111/jdv.13251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- K Kikuchi
- Department of Dermatology, Sapporo City General Hospital, North 11, West 13, Chuo-ku, Sapporo, 060-8604, Japan
| | - R Moriuchi
- Department of Dermatology, Sapporo City General Hospital, North 11, West 13, Chuo-ku, Sapporo, 060-8604, Japan
| | - D Inokuma
- Department of Dermatology, Sapporo City General Hospital, North 11, West 13, Chuo-ku, Sapporo, 060-8604, Japan
| | - T Ito
- Department of Dermatology, Sapporo City General Hospital, North 11, West 13, Chuo-ku, Sapporo, 060-8604, Japan
| | - K Kawashima
- Department of Plastic Surgery, Sapporo City General Hospital, North 11, West 13, Chuo-ku, Sapporo, 060-8604, Japan
| | - T Yoshida
- Department of Plastic Surgery, Sapporo City General Hospital, North 11, West 13, Chuo-ku, Sapporo, 060-8604, Japan
| | - A Nozaki
- Department of Plastic Surgery, Sapporo City General Hospital, North 11, West 13, Chuo-ku, Sapporo, 060-8604, Japan
| | - K Horiuchi
- Department of Plastic Surgery, Sapporo City General Hospital, North 11, West 13, Chuo-ku, Sapporo, 060-8604, Japan
| | - C Nakayama
- Department of Pathology, Sapporo City General Hospital, North 11, West 13, Chuo-ku, Sapporo, 060-8604, Japan
| | - H Itami
- Department of Pathology, Sapporo City General Hospital, North 11, West 13, Chuo-ku, Sapporo, 060-8604, Japan
| | - M Yanai
- Department of Pathology, Sapporo City General Hospital, North 11, West 13, Chuo-ku, Sapporo, 060-8604, Japan
| | - Y Fukasawa
- Department of Pathology, Sapporo City General Hospital, North 11, West 13, Chuo-ku, Sapporo, 060-8604, Japan
| | - T Kimura
- Sapporo Dermatopathology Institute, North 18, West 3, Kita-ku, Sapporo, 001-0018, Japan
| | - S Shimizu
- Department of Dermatology, Sapporo City General Hospital, North 11, West 13, Chuo-ku, Sapporo, 060-8604, Japan
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17
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Sugino T, Tateno A, Ueno G, Kawashima K, Okimura T, Hirabayashi H, Suzuki A, Asakuma S, Kobayashi H, Isobe N, Obitsu T, Kushibiki S. Effects of calcium salts of medium-chain fatty acids on plasma metabolite and hormone concentrations in early lactating dairy cows. Anim Prod Sci 2014. [DOI: 10.1071/an14233] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
To elucidate the effects of medium-chain fatty acids (MCFA) on milk production and plasma metabolite and hormone concentrations in early lactating dairy cows, 10 multiparous Holstein dairy cows were randomly assigned to two dietary treatment groups after parturition. One group was fed a diet supplemented with calcium salts of MCFA (MCFA-Ca) for 8 weeks after parturition, while the other group was fed the same diet without the supplement (control). MCFA-Ca, containing 60% caprylic acid and 40% capric acid, was added to a total mixed ration (TMR) at 1.5% of the dietary dry matter (DM). Cows were offered the TMR ad libitum. DM intake, daily gain in bodyweight, milk yield, milk fat content and milk protein content did not differ between the two treatment groups. The MCFA-Ca diet decreased plasma glucose and triglyceride concentrations (P < 0.05), while plasma concentrations of total and free cholesterols tended to increase (P < 0.10). Plasma ghrelin was maintained at a higher concentration (P < 0.05) in cows fed the MCFA-Ca diet than in the control group. Relative to the control diet, the MCFA-Ca diet decreased plasma insulin concentration (P < 0.05) and numerically increased plasma glucagon concentration, resulting in a lower insulin : glucagon ratio (P < 0.05). In conclusion, plasma metabolite and hormone concentrations were affected by the MCFA-Ca diet, suggesting that MCFA-Ca supplementation may change endocrine functions and nutrient metabolism in early lactating cows, ultimately resulting in an enhanced catabolic state.
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18
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Oka A, Amano Y, Uchida Y, Kagawa K, Tada Y, Kusunoki R, Fukuba N, Moriyama I, Yuki T, Kawashima K, Ishihara S, Kinoshita Y. Hepatic penetration by stomal ulcer: rare complication of a peptic ulcer. Endoscopy 2013; 44 Suppl 2 UCTN:E347-8. [PMID: 23012015 DOI: 10.1055/s-0032-1309920] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Affiliation(s)
- A Oka
- Second Department of Internal Medicine, Shimane University School of Medicine, Izumo, Shimane, Japan.
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19
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Tsuji H, Oozeer R, Matsuda K, Matsuki T, Ohta T, Nomoto K, Tanaka R, Kawashima M, Kawashima K, Nagata S, Yamashiro Y. Molecular monitoring of the development of intestinal microbiota in Japanese infants. Benef Microbes 2012; 3:113-25. [PMID: 22683836 DOI: 10.3920/bm2011.0038] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The faecal microbiota of 166 healthy Japanese newborns was analysed periodically from day 1 after birth until the age of 3 years by using the reverse transcription-quantitative PCR. Faecal pH and the organic acid concentration were also examined. Colonisation by both facultative anaerobes and strict anaerobes was confirmed in 95% of the meconium tested. Bifidobacterium-predominant microbiota was established subsequently in most of the infants by 3 months after birth. Bifidobacterium breve, Bifidobacterium longum, Bifidobacterium infantis, Bifidobacterium catenulatum group and Bifidobacterium bifidum were the species mainly detected. Intergroup correlation analysis revealed that the bifidobacterial population levels, but not other strict anaerobe groups, were found to be negatively correlated with those of the Enterobacteriaceae from 7 days until 3 months after birth. Faecal pH was maintained at about 6 until 6 months after birth and reached 6.6 at 3 years after birth. The initial concentration of faecal organic acids (19 μM/g of faeces) just after birth increased until 3 years after birth to the level of 111 μM/g of faeces. Early start of feeding formula milk promoted colonisation by obligate anaerobes such as the Clostridium coccoides group, the Clostridium leptum subgroup, Prevotella, and Atopobium cluster during the 3 months after birth. Population levels of the bifidobacteria until 1 month after birth and those of the Bacteroides fragilis group until 6 months after birth were lower in infants delivered by Caesarean section than in those delivered normally. The results suggested that both earlier start of feeding of formula milk and the mode of infant delivery were found to be important in the development of intestinal microbiota in early infancy.
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Affiliation(s)
- H Tsuji
- Yakult Central Institute for Microbiological Research, Yaho 1796, Kunitachi-shi, Tokyo 186-8650, Japan.
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20
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Driza N, Blanco-Canosa S, Bakr M, Soltan S, Khalid M, Mustafa L, Kawashima K, Christiani G, Habermeier HU, Khaliullin G, Ulrich C, Le Tacon M, Keimer B. Long-range transfer of electron-phonon coupling in oxide superlattices. Nat Mater 2012; 11:675-681. [PMID: 22797829 DOI: 10.1038/nmat3378] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2012] [Accepted: 06/08/2012] [Indexed: 06/01/2023]
Abstract
The electron-phonon interaction is of central importance for the electrical and thermal properties of solids, and its influence on superconductivity, colossal magnetoresistance and other many-body phenomena in correlated-electron materials is the subject of intense research at present. However, the non-local nature of the interactions between valence electrons and lattice ions, often compounded by a plethora of vibrational modes, presents formidable challenges for attempts to experimentally control and theoretically describe the physical properties of complex materials. Here we report a Raman scattering study of the lattice dynamics in superlattices of the high-temperature superconductor YBa(2)Cu(3)O(7) (YBCO) and the colossal-magnetoresistance compound La(2/3)Ca(1/3)MnO(3) that suggests a new approach to this problem. We find that a rotational mode of the MnO(6) octahedra in La(2/3)Ca(1/3)MnO(3) experiences pronounced superconductivity-induced line-shape anomalies, which scale linearly with the thickness of the YBCO layers over a remarkably long range of several tens of nanometres. The transfer of the electron-phonon coupling between superlattice layers can be understood as a consequence of long-range Coulomb forces in conjunction with an orbital reconstruction at the interface. The superlattice geometry thus provides new opportunities for controlled modification of the electron-phonon interaction in complex materials.
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Affiliation(s)
- N Driza
- Max-Planck-Institut für Festkörperforschung, Heisenbergstraße 1, D-70569 Stuttgart, Germany
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21
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Okamoto H, Wakana H, Kawashima K, Fukasawa T, Fujii H. Clinical outcomes of laparoscopic adhesiolysis for mechanical small bowel obstruction. Asian J Endosc Surg 2012; 5:53-8. [PMID: 22776364 DOI: 10.1111/j.1758-5910.2011.00117.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2011] [Revised: 09/15/2011] [Accepted: 10/16/2011] [Indexed: 01/15/2023]
Abstract
INTRODUCTION Laparoscopy for small bowel obstruction (SBO) has increasingly been performed for the advantages minimally invasive surgery provides. However, its benefit remains unclear. METHODS From January 2004 to July 2011, we enrolled 28 consecutive patients who underwent a laparoscopic operation for SBO, secondary to postoperative adhesions. We compared the results of SBO patients treated laparoscopically with those of 25 patients who underwent conventional open laparotomy in a retrospective matched-pair analysis. RESULTS Laparoscopic treatment was completed in 25 patients (89%), including 17 laparoscopic-assisted cases. The mean procedural time was 112 minutes in the laparoscopic group and 79 minutes in the open group (P < 0.05). Patients resumed oral intake after a mean of 3 days in the laparoscopic group compared with a mean of 6.5 days in the open group (P < 0.05). The length of hospital stay was 11 and 22 days (P < 0.05), respectively, in the laparoscopic and open groups. Postoperative complications occurred in two patients in the laparoscopy group and 14 patients in the open group (P < 0.05). CONCLUSION The laparoscopic approach was effective for the management of mechanical SBO in selected patients. Furthermore, minimally invasive laparoscopic adhesiolysis is also feasible and brings the benefit of cosmetic results.
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Affiliation(s)
- H Okamoto
- Department of Surgery, Tsuru Municipal Hospital, Yamanashi, Japan.
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22
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Okochi T, Kishi T, Ikeda M, Kitajima T, Kinoshita Y, Kawashima K, Okumura T, Tsunoka T, Fukuo Y, Inada T, Yamada M, Uchimura N, Iyo M, Sora I, Ozaki N, Ujike H, Iwata N. Genetic Association Analysis of NOS3 and Methamphetamine-Induced Psychosis Among Japanese. Curr Neuropharmacol 2011; 9:151-4. [PMID: 21886581 PMCID: PMC3137171 DOI: 10.2174/157015911795017119] [Citation(s) in RCA: 6] [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] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2009] [Revised: 04/17/2010] [Accepted: 05/26/2010] [Indexed: 11/28/2022] Open
Abstract
Endothelial nitric oxide synthase (NOS3) is one of the enzymes influencing nitric oxide (NO) function in the human brain. NO is a gaseous neurotransmitter that is involved in a variety of mechanisms in the central nervous system, such as N-methyl-D-aspartate receptor activation and oxidative stress. The evidence from animal pharmacological studies and postmortem studies supports an association between NO and psychotic disorders. Methamphetamine (METH) use disorder is a known psychotic disorder, and we therefore conducted a gene-based case-control study between tagging single nucleotide polymorphisms (SNPs) (rs2070744, rs1799983) in NOS3 and METH-induced psychosis in Japanese subjects (183 with METH-induced psychosis and 267 controls). Written informed consent was obtained from each subject. No significant association was found between any tagging SNP in NOS3 and METH-induced psychosis in the allele/genotype-wise or haplotype-wise analyses. In conclusion, we suggest that NOS3 might not contribute to the risk of METH-induced psychosis in the Japanese population.
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Affiliation(s)
- T Okochi
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Japan
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23
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Hirayama M, Kinoshita H, Inoue M, Kawashima K, Yoshimura S. Delayed hemopneumothorax resulting from a ventriculoperitoneal shunt procedure. Minerva Anestesiol 2011; 77:938. [PMID: 21878878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
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24
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Hattori K, Muraishi O, Kageyama Y, Kurosumi M, Yonese J, Urakami S, Kawashima K, Shinbo M, Tsuzuki T. MP-04.19 Inter-Observer Variation in the Pathological Diagnosis of Non-Muscle Invasive Bladder Cancer Between Tertiary Care Centers and Central Pathology Review. Urology 2011. [DOI: 10.1016/j.urology.2011.07.093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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25
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Yamamoto Y, Minakawa H, Kawashima K, Sugihara T, Fukuda S, Sawamura Y, Watanabe A, Nohira K. Experience with 24 cases of reconstructive anterior skull base surgery: classification and evaluation of postoperative facial appearance. Skull Base Surg 2011; 10:65-70. [PMID: 17171103 PMCID: PMC1656764 DOI: 10.1055/s-2000-7271] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
This article details our experience with 24 cases of anterior skull base reconstruction after tumor resection. They were classified into four types according to the resected region. In 11 cases of type I resection, the orbital part of frontal bone and/or cribriform plate of ethmoid bone were resected. In two cases of type II resection, the orbital contents and partial orbital bone were resected with the addition of type I. In five cases of type III resection, the maxillary bone was resected with the addition of type II. In six cases of type IV resection, the zygomatic bone and/or facial skin were resected with the addition of type III. The tumor originating from intracranial region was 25% of this series and all of them belonged to type I. The tumor originating from extracranial region tumor was 75% and its resected region was more extensive. In type I and II resections, the cranial flap, radial forearm free flap, or a combination of the two was used for reconstruction. The rectus abdominis myocutaneous/muscle free flap was used for reconstruction of massive defects in type III and IV defects. Total incidence of postoperative complications was 16.7%. Donor site deformity of the cranial flap at the frontal and temporal region in types I and II resections and facial contour deformity in zygomatic region and defect of upper and/or lower palpebra in type IV resection were major problems with postoperative facial appearance. Although use of the rectus abdominis myocutaneous free flap combined with costal cartilages improved the midfacial contour, palpebral reconstruction remained an unsolved problem in reconstructive skull base surgery. The reconstructive goals in skull base surgery are not only to obtain safe and reliable skull base reconstruction but also to restore the facial appearance postoperatively.
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Shindo K, Kawashima K, Ushiba J, Ota N, Ito M, Ota T, Kimura A, Liu M. Effects of neurofeedback training with an electroencephalogram-based Brain–Computer Interface for hand paralysis in patients with chronic stroke: A preliminary case series study. J Rehabil Med 2011; 43:951-7. [DOI: 10.2340/16501977-0859] [Citation(s) in RCA: 173] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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27
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Kishi T, Fukuo Y, Kitajima T, Okochi T, Yamanouchi Y, Kinoshita Y, Kawashima K, Inada T, Kunugi H, Kato T, Yoshikawa T, Ujike H, Ozaki N, Iwata N. SIRT1 gene, schizophrenia and bipolar disorder in the Japanese population: an association study. Genes, Brain and Behavior 2010; 10:257-63. [DOI: 10.1111/j.1601-183x.2010.00661.x] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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28
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Kawashima K, Inoue R, Kanaya T, Matsuba G, Nishida K, Hino M. Distribution of glass transition temperatureTgin a polymer thin film by neutron reflectivity. ACTA ACUST UNITED AC 2009. [DOI: 10.1088/1742-6596/184/1/012004] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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29
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Mondal MH, Mukherjee M, Kawashima K, Nishida K, Kanaya T. Study of Thickness Dependent Density in Ultrathin Water Soluble Polymer Films. Macromolecules 2009. [DOI: 10.1021/ma802180f] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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30
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Kinoshita Y, Ikeda M, Ujike H, Kitajima T, Yamanouchi Y, Aleksic B, Kishi T, Kawashima K, Ohkouchi T, Ozaki N, Inada T, Harano M, Komiyama T, Hori T, Yamada M, Sekine Y, Iyo M, Sora I, Iwata N. Association Study of the Calcineurin A Gamma Subunit Gene (PPP3CC) and Methamphetamine-Use Disorder in a Japanese Population. Ann N Y Acad Sci 2008; 1139:57-62. [DOI: 10.1196/annals.1432.021] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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31
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Imai K, Suzuki T, Kawashima K, Ichinose Y, Sato J, Yamanaka H. The Accuracy of Diagnosis in the Mass Screening for Prostate Cancer. Aktuelle Urol 2008. [DOI: 10.1055/s-2008-1058349] [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: 10/19/2022]
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32
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Hu B, Kalloo AN, Chung SSC, Cotton PB, Gostout CJ, Hawes RH, Pasricha PJ, Isakovich NV, Nakajima Y, Kawashima K, Kantsevoy SV. Peroral transgastric endoscopic primary repair of a ventral hernia in a porcine model. Endoscopy 2007; 39:390-3. [PMID: 17516343 DOI: 10.1055/s-2007-966426] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND AND STUDY AIMS Multiple studies have demonstrated the feasibility of peroral transgastric endoscopic procedures in animal models. The aim of the study was to evaluate the feasibility of a peroral transgastric endoscopic approach to repair abdominal wall hernias. PATIENTS AND METHODS We performed acute experiments under general anesthesia with endotracheal intubation using 50-kg pigs. Following peroral intubation an incision of the gastric wall was made and the endoscope was advanced into the peritoneal cavity. An internal anterior abdominal wall incision was performed with a needle knife to create an animal model of a ventral hernia. After hernia creation an endoscopic suturing device was used for primary repair of the hernia. After completion of the hernia repair the endoscope was withdrawn into the stomach and the gastric wall incision was closed with endoscopic clips. Then the animals were killed for necropsy. RESULTS Two acute experiments were performed. Incision of the gastric wall was easily achieved with a needle knife and a pull-type sphincterotome. A large (3 x 2 cm) defect of the abdominal wall (ventral hernia model) was closed with five or six sutures using the endoscopic suturing device. Postmortem examination revealed complete closure of the hernia without any complications. CONCLUSIONS Transgastric endoscopic primary repair of ventral hernias in a porcine model is feasible and may be technically simpler than laparoscopic surgery.
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Affiliation(s)
- B Hu
- Eastern Hepatobiliary Hospital, Second Military Medical University of PLA, Shanghai, Ch
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33
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Agatsuma T, Iwagami M, Sato Y, Iwashita J, Hong SJ, Kang SY, Ho LY, Su KE, Kawashima K, Abe T. The origin of the triploid in Paragonimus westermani on the basis of variable regions in the mitochondrial DNA. J Helminthol 2007; 77:279-85. [PMID: 14627442 DOI: 10.1079/joh2003185] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
AbstractTriploid, parthenogenetic forms of the lungfluke, Paragonimus westermani, occur in Japan, Korea and China. The origin(s) of triploidy has been debated over the years. Sequences of two regions in the mitochondrial DNA, i.e. partial lrRNA (16S), and a portion of the non-coding region, were obtained from natural populations of P. westermani. All triploid individuals (Japan, Korea, China) and a single tetraploid individual (China) had identical sequences in the 16S region studied. Some sequence variation was observed among diploids, with those from Taiwan being distinct from the remainder. Both neighbour joining and parsimony trees using the 16S region placed diploid individuals from southwestern Japan close to the triploids and the tetraploid. The fragment amplified from the mitochondrial non-coding region showed dimorphism. One form (type A) consisted of 239 bp comprising two identical tracts of 70 bp separated by a tract of 93 bp. The second form (Type B) consisted of only a single 70 bp tract. All diploid individuals from Taiwan, China and Korea possessed type A, while those from Japan were polymorphic; individuals from Oita and Hyogo had type B, those from Chiba had type A, but both types were found in Mie. On the other hand, all of the triploid individuals and two tetraploid individuals possessed type B. Both the form present in the non-coding region and the 16S sequence suggest an affinity between a south-eastern group of diploid populations in Japan and the triploid form. A possible mechanism responsible for the origin of the triploid is discussed.
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Affiliation(s)
- T Agatsuma
- Department of Environmental Health Science, Kochi Medical School, Oko, Nankoku City, Kochi 783-8505, Japan.
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Abstract
In human skin both resident and transiently residing cells are part of the extra- or non-neuronal cholinergic system, creating a highly complex and interconnected cosmos in which acetylcholine (ACh) and choline are the natural ligands of nicotinic and muscarinic receptors with regulatory function in both physiology and pathophysiology. ACh is produced in keratinocytes, endothelial cells and most notably in immune competent cells invading the skin at sites of inflammation. The cholinergic system is involved in basic functions of the skin through autocrine, paracrine, and endocrine mechanisms, like keratinocyte proliferation, differentiation, adhesion and migration, epidermal barrier formation, pigment-, sweat- and sebum production, blood circulation, angiogenesis, and a variety of immune reactions. The pathophysiological consequences of this complex cholinergic "concert" are only beginning to be understood. The present review aims at providing insight into basic mechanisms of this highly complex system.
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Affiliation(s)
- H Kurzen
- Department of Dermatology, University Medical Center Mannheim, University of Heidelberg, Heidelberg, Germany.
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Fujino Y, Yamashita N, Nakamura Y, Mori M, Yokoyama A, Kawashima K. P-475. Fertil Steril 2006. [DOI: 10.1016/j.fertnstert.2006.07.838] [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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Okada T, Sasaki F, Shimizu H, Kato M, Nakagawa S, Sugihara T, Kawashima K, Todo S. Effective esophageal balloon dilation for esophageal stenosis in recessive dystrophic epidermolysis bullosa. Eur J Pediatr Surg 2006; 16:115-9. [PMID: 16685618 DOI: 10.1055/s-2006-923991] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Recessive dystrophic epidermolysis bullosa (RDEB) is an inherited disorder of squamous epithelium that results in dystrophic scarring of the skin after minor trauma. RDEB is classified into two subtypes: Hallopeau-Siemens (HS) and non-Hallopeau-Siemens (nHS). Although severe scarring of the skin is the most common and obvious complication of the disease, esophageal scarring with formation of long strictures may also develop. Treatment options for esophageal stenosis in patients with RDEB include steroids, hyperalimentation, esophageal dilation and replacement. This report describes a child who was dilated immediately after diagnosis of severe esophageal stenosis subsequent to nHS-RDEB and managed successfully. Endoscopic esophageal balloon dilation under fluoroscopic control was very useful for detecting the region of stenosis and bougienage. The literature on such injuries is reviewed here, and the problems associated with the treatment of children with esophageal stenosis associated with RDEB are discussed.
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Affiliation(s)
- T Okada
- Department of Pediatric Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan.
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Kubota T, Nakajima-Taniguchi C, Fukuda T, Funamoto M, Maeda M, Tange E, Ueki R, Kawashima K, Hara H, Fujio Y, Azuma J. CYP2A6 polymorphisms are associated with nicotine dependence and influence withdrawal symptoms in smoking cessation. Pharmacogenomics J 2006; 6:115-9. [PMID: 16402086 DOI: 10.1038/sj.tpj.6500348] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
CYP2A6 is the main enzyme that catalyzes nicotine into cotinine. Interindividual differences in nicotine metabolism result at least partially from polymorphic variation of CYP2A6 gene. In this study, we evaluated the influence of CYP2A6 polymorphisms on clinical phenotypes of smoking, such as smoking habit and withdrawal symptoms. Japanese smokers (n = 107) were genotyped for CYP2A6*1, *4 and *9. Consistent with the previous reports, CYP2A6 genotypes have a tendency to correlate with the number of cigarettes per day and with daily intake of nicotine. Interestingly, CYP2A6 high-activity group (CYP2A6*1/*1, *1/*9, *1/*4, *9/*9) smoked the first cigarette of the day earlier than low-activity group (CYP2A6*4/*9, *4/*4), indicating more remarkable nicotine dependence. Furthermore, nicotine withdrawal symptoms were more serious in smoking cessation in CYP2A6 high-activity group. Collectively, CYP2A6 genotypes are related with nicotine dependence, influencing smoking habits and withdrawal symptoms in quitting smoking. It is proposed that individualized smoking cessation program could be designed based on CYP2A6 genotypes.
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Affiliation(s)
- T Kubota
- Department of Clinical Evaluation of Medicines and Therapeutics, Graduate School of Pharmaceutical Sciences, Osaka University, Yamadaoka, Suita City, Japan
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Fujino Y, Yamashita N, Mori M, Nishimoto M, Yokoyama A, Kawashima K. Freezing and Thawing Blastocyst Transfer. Fertil Steril 2005. [DOI: 10.1016/j.fertnstert.2005.07.445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Hu B, Chung SCS, Sun LCL, Lau JYW, Kawashima K, Yamamoto T, Cotton PB, Gostout CJ, Hawes RH, Kalloo AN, Kantsevoy SV, Pasricha PJ. Developing an animal model of massive ulcer bleeding for assessing endoscopic hemostatic devices. Endoscopy 2005; 37:847-51. [PMID: 16116536 DOI: 10.1055/s-2005-870226] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
BACKGROUND Existing animal models of ulcerative bleeding are not suitable for endoscopic investigation. We describe a new porcine model of massive arterial bleeding in the stomach and its use for assessing a novel endoscopic suturing device. METHODS Two animal models were investigated. In model 1, the short gastric artery (mean diameter 2 mm) was divided near its gastric end. A mucosal defect was created near the greater curve and the divided artery was brought into the lumen of the stomach through a submucosal tunnel. An inflatable plastic cuff was placed around the base of the artery. Cuff deflation led to massive bleeding. In model 2, the short gastric artery was carefully exposed along a segment of 2 cm on the side facing the stomach. It was then anchored to a small gastrostomy made at the posterior wall near the vessel. At endoscopy an ulcer-like lesion could be seen with a pulsatile vessel at the base and brisk bleeding could be started by cutting a hole in the artery using endoscissors. The pigs were heparinized by an intravenous bolus of 110-300 units per kilogram, in both models. A prototype suturing device, the Eagle Claw, was inserted using a gastroscope and the curved needle was driven around the bleeding artery. Extracorporeal knotting or intracorporeal ligation was done endoscopically. RESULTS Pulsatile arterial bleeding was successfully created in four pigs using model 1, and in another four pigs using model 2. Model 2 was more reproducible and less time-consuming to create. Endoscopic suturing controlled arterial bleeding in five out of eight pigs with a single stitch and in another three pigs with an additional stitch. CONCLUSION This animal model provides reproducible massive hemorrhage suitable for endoscopic studies. Control of gastric bleeding from large arteries by endoscopic suturing is possible.
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Affiliation(s)
- B Hu
- Endoscopy Center, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong SAR, China
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Fujioka H, Ariga T, Horiuchi K, Otsu M, Igawa H, Kawashima K, Yamamoto Y, Sugihara T, Sakiyama Y. Molecular analysis of non-syndromic preaxial polydactyly: preaxial polydactyly type-IV and preaxial polydactyly type-I. Clin Genet 2005; 67:429-33. [PMID: 15811011 DOI: 10.1111/j.1399-0004.2005.00431.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Human GLI3 gene mutations have been identified in several phenotypes of digital abnormality such as Greig cephalopolysyndactyly syndrome, Pallister-Hall syndrome, preaxial polydactyly type-IV (PPD-IV) and postaxial polydactyly. However, the different phenotypes resulting from GLI3 mutations have not yet been properly defined. We have experienced two types of digital abnormality without other complicating developmental defects; a family with foot PPD-IV with syndactyly of the third and fourth fingers, and four sporadic cases with biphalangeal thumb polydactyly (PPD-I). The genes responsible for syndactyly of the third and fourth fingers (syndactyly type-I) and PPD-I have not yet been identified; we therefore examined the involvement of the GLI3 gene in these subtypes of digital abnormality. We found a non-sense mutation in the GLI3 gene in the family with foot PPD-IV accompanied with hand syndactyly of the third and fourth fingers, but no mutations were detected in the GLI3 gene in the four other cases with PPD-I alone. Thus, the phenotype of foot PPD-IV accompanied with hand syndactyly of the third and fourth fingers may result from a GLI3 mutation, whereas the PPD-I phenotype alone is not caused by GLI3 gene defect. These results will help to define the phenotypic spectrum of GLI3 morphopathies, which have been recently proposed.
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Affiliation(s)
- H Fujioka
- Department of Plastic Surgery, Hokkaido University Graduate School of Medicine, Hokkaido 060-8638, Japan.
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Hu B, Chung SC, Sun LC, Kawashima K, Yamamoto T, Cotton PB, Gostout CJ, Hawes RH, Kalloo AN, Kantsevoy SV, Pasricha PJ. Transoral obesity surgery: endoluminal gastroplasty with an endoscopic suture device. Endoscopy 2005; 37:411-4. [PMID: 15844017 DOI: 10.1055/s-2005-861196] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
BACKGROUND AND STUDY AIMS Surgical creation of a small gastric pouch with a restricted outlet is a well-established option for the treatment of morbid obesity. This report describes initial experience with endoscopic transoral stomach partition using a newly designed suturing apparatus. MATERIALS AND METHODS A fresh porcine stomach was placed in the Erlangen model. A prototype suture device, incorporating a curved needle and an intracorporeal tightening mechanism, was used in this procedure. A long fishing line was first introduced into the stomach, with the two ends left outside. The suturing device, premounted outside a standard gastroscope, was inserted into the stomach and delivered several stitches attaching the fishing line to both the anterior and posterior walls along the line for the stomach to be partitioned. Five throws of half-hitches were tied onto the fishing line extracorporeally and separately pushed into place, creating a gastric pouch just below the esophagogastric junction. A flexible sheath of 8 cm long was then put on one side of the fishing line and pushed into the stomach. Additional extracorporeal knots were tied on the fishing line, forming a restrictive ring at the outlet of the pouch. The ring was then anchored to the stomach wall with similar endosutures. RESULTS The proximal gastric pouch, with an estimated volume of approximately 100 ml, was successfully created with a restrictive band at its outlet. All of the stitches were securely sutured, with consistent penetration of the muscular layer of the stomach wall. CONCLUSIONS In a bench model, it is technically possible to accomplish transoral gastroplasty endoscopically with an intraluminal suturing device. Further live animal studies will be needed in order to confirm the efficacy and safety of this procedure before clinical application.
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Affiliation(s)
- B Hu
- Endoscopy Center, Prince of Wales Hospital, Chinese University of Hong Kong, China
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Kawashima K, Tsunemitsu H, Horino R, Katsuda K, Onodera T, Shoji T, Kubo M, Haritani M, Murakami Y. Effects of dexamethasone on the pathogenesis of porcine circovirus type 2 infection in piglets. J Comp Pathol 2004; 129:294-302. [PMID: 14554127 DOI: 10.1016/s0021-9975(03)00047-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
To investigate the effect of immunosuppression on porcine circovirus type 2 (PCV2) infection, hysterectomy-produced, colostrum-deprived piglets were inoculated with the virus by the intranasal or intraperitoneal route, with or without dexamethasone (DEX) treatment. Eleven piglets aged 8 days were divided into four groups, namely group A (four animals given PCV2), B (three given PCV2 with DEX), C (two given sterile medium with DEX) and D (two given sterile medium). No significant clinical signs were observed. Histopathological and immunohistochemical examination revealed granulomatous inflammation and PCV2 antigen in the lymphoid tissues of group B piglets, but not in the other three groups. Flow cytometric analysis of peripheral blood lymphocytes showed a reduced number of CD4+ T cells in DEX-treated piglets (groups A and C). No differences between groups were observed in respect of the number of B cells, serum IgG concentration, or PCV2 antibody titre. These results indicate that DEX influenced the pathogenic effects of PCV2 infection in lymphoid organs, and that suppression of cell-mediated immunity may play a role in the aetiology of postweaning multisystemic wasting syndrome.
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Affiliation(s)
- K Kawashima
- Shichinohe Research Unit, National Institute of Animal Health, Shichinohe Kamikita Uminai 31, Aomori 039-2586, Japan
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Ema M, Harazono A, Fujii S, Kawashima K. Evaluation of developmental toxicity of beta-thujaplicin (hinokitiol) following oral administration during organogenesis in rats. Food Chem Toxicol 2004; 42:465-70. [PMID: 14871589 DOI: 10.1016/j.fct.2003.10.009] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2002] [Accepted: 10/17/2003] [Indexed: 11/17/2022]
Abstract
The objective of this study was to evaluate the developmental toxicity of beta-thujaplicin (TP) in rats. Pregnant rats were given TP by gastric intubation at 15, 45, or 135 mg/kg on days 6-15 of pregnancy. The maternal body weight gain during administration at 45 and 135 mg/kg and after administration at 136 mg/kg and adjusted weight gain at 45 and 135 mg/kg were significantly reduced. A significant decrease in food consumption during and after administration was found at 45 and 135 mg/kg. A significant increase in the incidence of postimplantation loss was found in pregnant rats given TP at 135 mg/kg. A significantly lower weight was found in female fetuses at 45 and 135 mg/kg and in male fetuses at 135 mg/kg. Although a significantly increased incidence of fetuses with skeletal variations and decreased degree of ossification were found at 135 mg/kg, no significant increase in external, skeletal and internal malformations was detected after administration of TP. The data demonstrated that TP had adverse effects on embryonic/fetal survival and growth only at maternal toxic doses. No adverse effects on morphological development were found in rats fetuses. Based on the significant decreases in maternal body weight gain and weight of female fetuses at 45 mg/kg and higher, it is concluded that the no-observed-adverse-effect levels (NOAELs) of TP for both dams and fetuses are considered to be 15 mg/kg in rats.
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Affiliation(s)
- M Ema
- National Institute of Health Sciences, Osaka Branch, 1-1-43 Hoenzaka, Chuo-ku, Osaka 540, Japan.
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44
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Katsuda K, Kohmoto M, Kawashima K, Tsunemitsu H, Tsuboi T, Eguchi M. Molecular typing of Mannheimia (Pasteurella) haemolytica serotype A1 isolates from cattle in Japan. Epidemiol Infect 2003; 131:939-46. [PMID: 14596536 PMCID: PMC2870039 DOI: 10.1017/s0950268803008951] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Pulsed field gel electrophoresis (PFGE) and random amplified polymorphic DNA (RAPD) methods were applied for molecular typing of 130 Mannheimia (Pasteurella) haemolytica serotype A1 isolates obtained from 13 prefectures in Japan. These isolates were divided into 15 ApaI PFGE profiles that formed six distinct clusters (clusters A-F). Fifty-three (40.7%) isolates were classified in cluster B, and 20.0, 13.8, 12.3, 6.9 and 6.1% of isolates were in clusters E, A, F, D and C, respectively. The isolates of cluster B were differentiated into seven subtypes (B1-B7) and subtype B5 contained 63% (34/53) of isolates. RAPD revealed four banding patterns (types I-IV), and among 130 isolates 60.7% (79/130) of isolates were RAPD type I. All of the RAPD type I isolates were grouped into clusters A-C by PFGE. There was no relationship between molecular typing and geographic origin of these isolates. These results indicate that isolates of M. haemolytica A1 strain with various molecular profiles have already spread in Japan and may have caused sporadic infections.
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Affiliation(s)
- K Katsuda
- Environmental Hygiene Section, Shichinohe Research Unit, National Institute of Animal Health, 31 Uminai, Shichinohe, Kamikita, Aomori 039-2586, Japan
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Watanabe I, Arai T, Ono M, Sugito M, Kawashima K, Ito M, Nagai K, Saito N. Prognostic factors in resection of pulmonary metastasis from colorectal cancer. Br J Surg 2003; 90:1436-40. [PMID: 14598428 DOI: 10.1002/bjs.4331] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Abstract
Background
The aim of this retrospective study was to evaluate characteristics of primary colorectal cancer and pulmonary metastases in order to identify prognostic factors for overall survival and risk factors for further intrapulmonary recurrence after resection of pulmonary metastases from colorectal cancer.
Methods
Forty-nine patients who underwent resection of pulmonary metastases from colorectal cancer were reviewed. The factors assessed were age, sex, pathological findings of the original colorectal cancer (depth, lymphatic invasion, venous invasion, lymph node metastasis, differentiation, Dukes' stage) and pulmonary metastasis (maximum tumour size, number of tumours, completeness of resection), serum carcinoembryonic antigen level, previous hepatectomy for liver metastases, and surgical procedure for resection of pulmonary metastasis. Overall survival and intrapulmonary recurrence were also reviewed.
Results
Survival rates after resection of pulmonary metastases were 78 per cent at 3 years and 56 per cent at 5 years. Solitary pulmonary metastases were significantly correlated with survival (P = 0·049). The pathological features of the primary colorectal cancer had no impact on survival. Histologically incomplete resection of pulmonary metastasis significantly correlated with pulmonary re-recurrence (P = 0·034).
Conclusion
Long-term survival can be expected after complete resection of pulmonary metastases arising from colorectal cancer, especially in patients with a solitary pulmonary metastasis.
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Affiliation(s)
- I Watanabe
- Surgery Division, National Cancer Center Hospital East, 6-5-1 Kashiwanoha, Kashiwa, Chiba 277-8577, Japan
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Kawashima K, Kat K, Miyazaki M. Body size and somatotype characteristics of male golfers in Japan. J Sports Med Phys Fitness 2003; 43:334-41. [PMID: 14625515] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/27/2023]
Abstract
AIM The aim of this investigation was to compare the physical characteristics and somatotypes of 4 Japanese male golfer groups with 2 non-golfer control groups. METHODS Sixty-three male golfers, professional golfers (PR, n=11), collegiate golfers (CO, n=24), general amateur golfers (AM, n=13), collegiate recreational golfers (RE, n=15), non-golfing college student (CG, n=45) and a senior population of non-golfers as a control group (SC, n=20), for a total n=128. They were somatotyped, according to the Heath-Carter anthropometric method. RESULTS The results show that the categories of the mean somatotypes of PR (3.8-5.8-1.6), CO (4.7-5.6-2.2), AM (3.3-4.4-2.6) and RE (3.7-4.8-2.7) were endomorphic mesomorph, SC (4.7-3.9-2.1) was mesomorphic endomorph, and CG (3.8-4.3-3.3) was central, respectively. The anthropometric variables that best discriminated between skilled and unskilled golfers were body weight, calf skinfold, calf girth, and femur width, with 82% correctly classified PR and 83% correctly classified for CO. Secondly, combination of sum of 4 skinfolds, biceps girth and humerus width, with 72% correctly classified PR and 75% correctly classified for CO. CONCLUSION Within the Japanese golfer groups, there are differences between golfers and non-golfers with respect to somatotype, body size and composition. Results suggested that PR showed significantly larger limb girth than other groups. Somatotypes in male golfers tend to increased mesomorphy, related to skill level.
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Affiliation(s)
- K Kawashima
- College of Bioresouce Sciences, Nihon University, Japan.
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Abstract
OBJECTIVE To investigate the changes in bladder function in rats with an electrolytic lesion of the right basal forebrain (RBF) and to determine the effects of AH-9700, a novel sigma receptor ligand, on cystometry in RBF-lesioned rats. MATERIALS AND METHODS A lesion was made electrolytically in the RBF of male Wistar rats. At 7 or 8 days after the lesion or sham surgery, continuous cystometry was performed in awake rats. In addition, contractile responses to electrical field stimulation or carbachol were measured in isolated bladder strips, as were the forebrain contents of acetylcholine, monoamine neurotransmitters and their metabolites. RESULTS RBF-lesioned rats showed a remarkable increase in voiding frequency, with a decrease in voiding threshold pressure but no change in voiding pressure, compared with sham-operated rats. However, contractile responses in bladder strips isolated from RBF-lesioned rats were no different from those in strips isolated from sham-operated rats. In RBF-lesioned rats, the contents of acetylcholine, dopamine, 4-dihidroxyphenylacetic acid and homovanillic acid were significantly decreased in the right forebrain. AH-9700 dose-dependently decreased the voiding frequency and increased the threshold pressure in RBF-lesioned rats. Anti-muscarinic agents (oxybutynin and propiverine) also decreased the voiding frequency, but their effects were less potent than that of AH-9700. CONCLUSIONS The RBF-lesioned rat may be a useful model for the neurogenic bladder of supraspinal origin. Moreover, AH-9700 effectively improves bladder dysfunction in this model.
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Affiliation(s)
- I Shimizu
- Department of Discovery Pharmacology II, Pharmacology Research Laboratories, Drug Research Division, Dainippon Pharmaceutical Co., Ltd, Osaka, Japan.
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48
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Yamazaki T, Hosono T, Matsushita Y, Kawashima K, Someya M, Nakajima Y, Narui K, Hibi Y, Ishizaki M, Kinjo J, Nohara T. Pharmacological studies on Puerariae Flos. IV: Effects of Pueraria thomsonii dried flower extracts on blood ethanol and acetaldehyde levels in humans. Int J Clin Pharmacol Res 2003; 22:23-8. [PMID: 12395916] [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: 02/27/2023]
Abstract
We investigated the effects of extracts from the dried flower of Pueraria thomsonii on blood ethanol and acetaldehyde levels in humans consuming alcoholic beverages. The extracts of Pueraria thomsonii had no influence on blood ethanol and acetaldehyde concentration in humans. However, the extracts increased the elimination rate constant of blood acetaldehyde, although they had no effect on the elimination of blood ethanol in humans. These results suggest that Pueraria thomsonii promotes the elimination of blood acetaldehyde in humans. The present study clinically suggests that a modest stimulatory effect of Pueraria thomsonii on the elimination of blood acetaldehyde may passively mitigate acetaldehyde toxicity, such as flushing, palpitation, headache, etc., associated with excessive alcohol intake.
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Affiliation(s)
- T Yamazaki
- Tsukuba Research Institute, Ohat's Isan Co. Ltd., Ushiku, Ibaraki, Japan
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Abstract
The effects of immunosuppression were examined in 1.5-month-old calves that were given dexamethasone (DM) before endobronchial inoculation with bovine adenovirus type 3 (BAV-3). Immunohistopathologically, severe necrotizing bronchiolitis with eosinophilic and basophilic intranuclear inclusion bodies was observed both in DM-treated 1.5-month-old infected calves and in non-DM-treated 7-day-old infected calves. These inclusion bodies were correlated with the detection of BAV-3 antigen and viral particles. The presence of inclusion bodies in the desquamated epithelial cells or of BAV-3 antigen, or both, correlated well with the isolated level of BAV-3 in bronchoalveolar lavage (BAL) fluid. Few immunoglobulin (IgG, IgM, and IgA)-containing B lymphocytes or CD8+ T lymphocytes infiltrated the pneumonic lesion in both the 7-day-old and the DM-treated 1.5-month-old infected calves. Thus, depletion of CD8+ T lymphocytes in calves might influence the clearance of BAV-3 from respiratory tissues.
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MESH Headings
- Adenoviridae Infections/immunology
- Adenoviridae Infections/pathology
- Adenoviridae Infections/veterinary
- Adenoviridae Infections/virology
- Animals
- Animals, Newborn
- Antibodies, Viral/metabolism
- Antigens, Viral/metabolism
- Bronchiolitis, Viral/immunology
- Bronchiolitis, Viral/pathology
- Bronchiolitis, Viral/veterinary
- Bronchoalveolar Lavage Fluid/cytology
- Bronchoalveolar Lavage Fluid/virology
- Cattle
- Cattle Diseases/immunology
- Cattle Diseases/pathology
- Cattle Diseases/virology
- Dexamethasone/pharmacology
- Immunocompromised Host
- Immunohistochemistry/veterinary
- Inclusion Bodies/pathology
- Inclusion Bodies/ultrastructure
- Inclusion Bodies/virology
- Lung/pathology
- Lung/ultrastructure
- Lung/virology
- Male
- Mastadenovirus/growth & development
- Microscopy, Electron/veterinary
- Pneumonia, Viral/immunology
- Pneumonia, Viral/pathology
- Pneumonia, Viral/veterinary
- Pneumonia, Viral/virology
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Affiliation(s)
- M Narita
- National Institute of Animal Health, Shichinohe, Kamikita, Aomori 039-2586, Japan.
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Yamada M, Narita M, Nakamura K, Tsuboi T, Kawashima K. Apoptosis in calf pneumonia induced by endobronchial inoculation with bovine adenovirus type 3 (BAV-3). J Comp Pathol 2003; 128:140-5. [PMID: 12634091 DOI: 10.1053/jcpa.2002.0618] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Three calves aged 1 week (group 1), three aged 6 weeks (group 2) and three aged 6 weeks (having been pretreated with dexamethasone) (group 3) were infected endobronchially with bovine adenovirus type 3 (BAV-3). All calves had received colostrum. The histopathological, immunohistochemical, ultrastructural and TUNEL features were examined on post-inoculation day (PID) 3, 5 and 7. Viral replication and intranuclear inclusions were frequently observed in groups 1 and 3, but not in group 2. The lesions became progressively severe on PID 5 and 7 in group 1. In group 3, however, the cellular injury caused by BAV-3 was of short duration and the lesions began to resolve at PID 7. Numerous apoptotic cells were seen in the PID 3 calves of all three groups, and in the PID 7 calves of groups 2 and 3; however, the PID 5 and 7 calves of group 1 showed only a few apoptotic cells in the alveolar septa. The results indicated that (1) the durability of BAV-3 infection in the lung was closely related to apoptosis, and (2) the host defence mechanism that induced apoptosis in infected cells was age-related.
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Affiliation(s)
- M Yamada
- National Institute of Animal Health, Kannondai, Tsukuba, Ibaraki, 305-0856, Japan
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