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Nyirimana P, Kondoh D, Tomiyasu J, Watanabe M, Okada Y, Nishida Y, Goto T. Morphological variation of tail bone among two chicken breeds and their F 1 progeny. J Morphol 2024; 285:e21704. [PMID: 38702980 DOI: 10.1002/jmor.21704] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 04/17/2024] [Accepted: 04/23/2024] [Indexed: 05/06/2024]
Abstract
Fancy breeds of Japanese indigenous chicken display extensive morphological diversity, particularly in tail feathers. Although marked differences in tail and bone traits have been reported between Tosa-jidori (wild type) and Minohikichabo (rich type) breeds, little is known about the pattern of genetic inheritance in cross experiments. Therefore, this study aimed to investigate the strain and sex effects, and inheritance patterns, in the morphometric variation of pygostyle bones among Tosa-jidori, Minohikichabo, and their F1 hybrids. Five morphological traits, angle of the apex of the pygostyle, pygostyle length, margo cranialis length, tail feather number, and body weight, were evaluated at the adult stage. A significant strain difference was detected in all traits, whereas significant sex differences were observed in only three traits, but not in the angle of the apex of the pygostyle and tail feather number. In F1 hybrids, the angle of the apex of the pygostyle was significantly different to that of Tosa-jidori but not that of Minohikichabo, whereas the pygostyle length and tail number of F1 hybrids were significantly different from those of Minohikichabo but not those of Tosa-jidori. A significant heterosis effect was found in the margo cranialis length and body weight. All five traits showed nonadditive inheritance patterns but varied in each trait between partial dominance (angle of the apex of pygostyle), full dominance (pygostyle length and tail feather number), and over-dominance (margo cranialis length and body weight). Interestingly, different patterns of genetic inheritance in the F1 hybrid were observed at different locations, even within the same pygostyle bone. Using the Japanese indigenous chicken model, these results provide a substantial step toward understanding the genetic architecture of morphology in chickens.
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Affiliation(s)
- Prudence Nyirimana
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
| | - Daisuke Kondoh
- Department of Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
| | - Jumpei Tomiyasu
- Department of Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
| | - Momoka Watanabe
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
| | - Yume Okada
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
| | - Yuma Nishida
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
| | - Tatsuhiko Goto
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
- Research Center for Global Agromedicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
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Konishi K, Nakagawa H, Asaoka T, Kasamatsu Y, Goto T, Shirano M. Brief communication: body composition and hidden obesity in people living with HIV on antiretroviral therapy. AIDS Res Ther 2024; 21:12. [PMID: 38429716 PMCID: PMC10905848 DOI: 10.1186/s12981-024-00599-3] [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: 08/22/2023] [Accepted: 02/22/2024] [Indexed: 03/03/2024] Open
Abstract
BACKGROUND Increased incidence of lifestyle diseases as side-effects of antiretroviral therapy (ART) have been reported in people living with HIV (PLWH). Few studies have evaluated obesity and hidden obesity in Japanese PLWH and their association with ART. In order to provide more appropriate drug selection and lifestyle guidance, we investigated the relationship between the effects of HIV infection and ART on the body composition of Japanese PLWH. METHODS PLWH who visited the outpatient clinic and had body composition measured using the body composition analyzer InBody 570 were included in this study. Medications, comorbidities, and blood test data were obtained. Body mass index (BMI), body fat percentage, and skeletal muscle mass index (SMI) were measured. RESULTS In this study, 543 patients were included. Based on body shape, patients were classified into a thin group (13), normal weight group (14), hidden obesity group (158), apparent obesity group (14), and obesity group (218). Compared with the normal weight group, the hidden obesity group had a higher prevalence of comorbidities and a lower SMI. CONCLUSIONS PLWH are more likely to have obesity than the general population, indicating that hidden obesity is common even among those with a normal BMI. It is important to measure body fat percentage along with body weight, as hidden obesity can be missed. Further investigation of the effects of ART on body composition is needed.
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Affiliation(s)
- K Konishi
- Department of Infectious Diseases, Osaka City General Hospital, Osaka, Japan.
- Department of Oral Microbial Control, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita-shi, Osaka, 565-0871, Japan.
- Department of Infection Control, Osaka University Hospital, Osaka, Japan.
| | - H Nakagawa
- Department of Infectious Diseases, Osaka City General Hospital, Osaka, Japan
| | - T Asaoka
- Department of Infectious Diseases, Osaka City General Hospital, Osaka, Japan
| | - Y Kasamatsu
- Department of Infectious Diseases, Osaka City General Hospital, Osaka, Japan
| | | | - M Shirano
- Department of Infectious Diseases, Osaka City General Hospital, Osaka, Japan
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Iida S, Ide S, Tamura S, Tani T, Goto T, Shribak M, Maeshima K. Orientation-Independent-DIC imaging reveals that a transient rise in depletion force contributes to mitotic chromosome condensation. bioRxiv 2024:2023.11.11.566679. [PMID: 37986866 PMCID: PMC10659371 DOI: 10.1101/2023.11.11.566679] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
Genomic information must be faithfully transmitted into two daughter cells during mitosis. To ensure the transmission process, interphase chromatin is further condensed into mitotic chromosomes. Although protein factors like condensins and topoisomerase IIα are involved in the assembly of mitotic chromosomes, the physical bases of the condensation process remain unclear. Depletion force/macromolecular crowding, an effective attractive force that arises between large structures in crowded environments around chromosomes, may contribute to the condensation process. To approach this issue, we investigated the "chromosome milieu" during mitosis of living human cells using orientation-independent-differential interference contrast (OI-DIC) module combined with a confocal laser scanning microscope, which is capable of precisely mapping optical path differences and estimating molecular densities. We found that the molecular density surrounding chromosomes increased with the progression from prometaphase to anaphase, concurring with chromosome condensation. However, the molecular density went down in telophase, when chromosome decondensation began. Changes in the molecular density around chromosomes by hypotonic or hypertonic treatment consistently altered the condensation levels of chromosomes. In vitro, native chromatin was converted into liquid droplets of chromatin in the presence of cations and a macromolecular crowder. Additional crowder made the chromatin droplets stiffer and more solid-like, with further condensation. These results suggest that a transient rise in depletion force, likely triggered by the relocation of macromolecules (proteins, RNAs and others) via nuclear envelope breakdown and also by a subsequent decrease in cell-volumes, contributes to mitotic chromosome condensation, shedding light on a new aspect of the condensation mechanism in living human cells.
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Affiliation(s)
- Shiori Iida
- Genome Dynamics Laboratory, National Institute of Genetics, Mishima, Shizuoka 411-8540, Japan
- Graduate Institute for Advanced Studies, SOKENDAI, Mishima, Shizuoka 411-8540, Japan
| | - Satoru Ide
- Genome Dynamics Laboratory, National Institute of Genetics, Mishima, Shizuoka 411-8540, Japan
- Graduate Institute for Advanced Studies, SOKENDAI, Mishima, Shizuoka 411-8540, Japan
| | - Sachiko Tamura
- Genome Dynamics Laboratory, National Institute of Genetics, Mishima, Shizuoka 411-8540, Japan
| | - Tomomi Tani
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Ikeda, Osaka 563-8577, Japan
| | - Tatsuhiko Goto
- Research Center for Global Agromedicine and Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan
| | - Michael Shribak
- Marine Biological Laboratory, 7 MBL St, Woods Hole, MA 02543, USA
| | - Kazuhiro Maeshima
- Genome Dynamics Laboratory, National Institute of Genetics, Mishima, Shizuoka 411-8540, Japan
- Graduate Institute for Advanced Studies, SOKENDAI, Mishima, Shizuoka 411-8540, Japan
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Kurimoto T, Goto T, Yasuda T, Yoshioka H. Histiocytic sarcoma of the palate: a case report. Int J Oral Maxillofac Surg 2023; 52:1225-1229. [PMID: 37643937 DOI: 10.1016/j.ijom.2023.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 07/18/2023] [Accepted: 08/03/2023] [Indexed: 08/31/2023]
Abstract
Histiocytic sarcoma is a malignant proliferation of cells that exhibit morphological and immunophenotypic features of mature histiocytes. Owing to its rarity, its clinical features and standard treatment have not yet been established. This report describes a case of histiocytic sarcoma of the palate that developed in a 76-year-old man, the first report of an intraoral histiocytic sarcoma. An extended resection was performed; however, establishing the excision line was extremely difficult because assessing the tumour boundary on imaging was challenging and the tumour underwent dynamic gross morphological changes following biopsy. Complete resection is required to obtain a favourable prognosis for high-grade tumours with indistinct borders. In this case, an intraoperative rapid examination with frozen section analysis was performed along the planned excision line to completely resect the tumours exhibiting such behaviour. At 28 months postoperatively, the patient demonstrated no recurrence or metastasis; however, he is under careful monitoring.
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Affiliation(s)
- T Kurimoto
- Department of Dentistry and Oral & Maxillofacial Surgery, Osaka Rosai Hospital, Sakai, Osaka, Japan.
| | - T Goto
- Department of Pathology, Osaka Rosai Hospital, Sakai, Osaka, Japan
| | - T Yasuda
- Department of Dentistry and Oral & Maxillofacial Surgery, Osaka Rosai Hospital, Sakai, Osaka, Japan
| | - H Yoshioka
- Department of Dentistry and Oral & Maxillofacial Surgery, Osaka Rosai Hospital, Sakai, Osaka, Japan
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Ishikawa A, Takanuma T, Hashimoto N, Goto T, Tsudzuki M. New Behavioral Handling Test Reveals Temperament Differences in Native Japanese Chickens. Animals (Basel) 2023; 13:3556. [PMID: 38003175 PMCID: PMC10668715 DOI: 10.3390/ani13223556] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 11/15/2023] [Accepted: 11/16/2023] [Indexed: 11/26/2023] Open
Abstract
It is well known in the poultry industry that fear and stress experienced during the handling of day-old chicks in commercial hatcheries can have long-lasting effects on their behavior later in life. These hatchery-related stresses are more intense and complex than those encountered in traditional behavioral tests. Consequently, a single behavioral test may not be sufficient to measure hatchery stresses and chicken temperament. In this study, we developed a new behavioral handling test for day-old chickens, which incorporated concepts from established behavioral tests used with both young and adult birds. The new test assessed 10 behavioral traits, including vocalization frequency and responses to human interaction. It was conducted on 96 two-day-old chicks from seven breeds of native Japanese and Western chickens. The results of the principal component analysis classified chicken temperaments into three distinct categories: bustle, aggression, and timidity. Using these categories, the seven breeds were classified into five groups, each with distinct temperaments. This study highlights the reliability and value of the new handling test in characterizing the temperaments of various chicken breeds and provides insights into the complex behaviors of chickens.
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Affiliation(s)
- Akira Ishikawa
- Laboratory of Animal Genetics and Breeding, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya 464-8601, Japan
| | - Tomoka Takanuma
- Laboratory of Animal Genetics and Breeding, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya 464-8601, Japan
| | - Norikazu Hashimoto
- Laboratory of Poultry, Livestock Experiment Station, Wakayama Prefecture, Hidaka-Gun, Wakayama 644-1111, Japan;
| | - Tatsuhiko Goto
- Research Center for Global Agromedicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan;
| | - Masaoki Tsudzuki
- Laboratory of Animal Breeding and Genetics, Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima 739-8525, Japan;
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Goto T, Ishizuka K, Kitai Y, Inoue T. Hypertriglyceridaemia-induced pancreatitis. QJM 2023; 116:707-708. [PMID: 37052536 DOI: 10.1093/qjmed/hcad063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Accepted: 04/11/2023] [Indexed: 04/14/2023] Open
Affiliation(s)
- T Goto
- Department of Emergency Medicine, Nerima Hikarigaoka Hospital, 2-5-1, Hikarigoka, Nerima, Tokyo, Japan
| | - K Ishizuka
- Department of Internal Medicine, St. Marianna University School of Medicine, Division of General Internal Medicine, Kawasaki, Kanagawa, Japan
| | - Y Kitai
- Department of Emergency Medicine, Nerima Hikarigaoka Hospital, 2-5-1, Hikarigoka, Nerima, Tokyo, Japan
| | - T Inoue
- Department of Emergency Medicine, Nerima Hikarigaoka Hospital, 2-5-1, Hikarigoka, Nerima, Tokyo, Japan
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Goto T, Konno S, Konno M. Establishment of Wild-Derived Strains of Japanese Quail ( Coturnix japonica) in Field and Laboratory Experiments. Biology (Basel) 2023; 12:1080. [PMID: 37626966 PMCID: PMC10451757 DOI: 10.3390/biology12081080] [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] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/28/2023] [Accepted: 08/01/2023] [Indexed: 08/27/2023]
Abstract
Domestic quail are used as both farm and laboratory animals. As the wild ancestor of quails is "endangered," field studies are needed to conserve them. If wild-derived strains of quail are established, they will be unique genetic resources for both farm and laboratory animals. The purpose of the present study was to conduct a field study and create wild-derived quail strains using the breeding stocks in Tokachi, Hokkaido, Japan. Field observations from 2019 to 2022 indicate that wild quails migrate and stay at reproductive sites from late April to late October. Our estimations of the approximate ages of the observed and captured quails imply that adult males have intermittent reproductive opportunities from May to August. Morphological traits collected from adult and juvenile quails in the 2019-2022 population were similar to those previously reported for Japan's 1914 and 1970 populations. Using natural mating of captured wild males and domestic (Dom) females, we established the W50 and W75 strains, which possessed 50% and 75% genetic contributions from the wild stocks. These unique genetic resources can be applied for future conservation and experimental use to understand the domestication history and genetic basis of quantitative traits.
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Affiliation(s)
- Tatsuhiko Goto
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Hokkaido, Japan
- Research Center for Global Agromedicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Hokkaido, Japan
| | - Satoshi Konno
- Volunteer Bander, Division of Avian Conservation, Yamashina Institute for Ornithology, Abiko 270-1145, Chiba, Japan
| | - Miwa Konno
- Volunteer Bander, Division of Avian Conservation, Yamashina Institute for Ornithology, Abiko 270-1145, Chiba, Japan
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Kawamura N, Takaya M, Hayashi H, Goto T. Housing Systems Affect Eggshell Lightness and Free Amino Acid Contents of Egg Albumen in Tosa-Jidori Chickens: A Preliminary Research. Animals (Basel) 2023; 13:1837. [PMID: 37889699 PMCID: PMC10251838 DOI: 10.3390/ani13111837] [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: 04/09/2023] [Revised: 05/29/2023] [Accepted: 05/30/2023] [Indexed: 10/29/2023] Open
Abstract
Many countries have gradually shifted to animal welfare-friendly housing systems for egg layers. However, there is still no consensus among researchers on whether the housing system affects egg quality traits. Therefore, this study aimed to determine the effects of housing systems on egg traits and free amino acid contents of albumen and yolk using two types of housing systems, the conventional cage (cage) system and a floor rearing (litter) system. Tosa-jidori (n = 20) hens were divided into two groups. Experiments during the 7 weeks were performed twice by switching the housing systems (first and second stages). One-way analysis of variance was used to evaluate the effects of housing systems on body weight gain, egg traits, albumen and yolk amino acid contents, and fecal corticosterone. We observed significant housing effects in body weight gain, eggshell weight, yolk weight, eggshell thickness, eggshell lightness, and several albumen amino acids (A_Gln, A_His, A_Met, A_Cys, A_Lys, A_Asp, A_Glu, A_Ser, A_Thr, A_Ala, A_Pro, and A_Phe). Notably, a robust effect was seen in eggshell lightness, even after switching housing systems. These results suggest that eggshell lightness and several egg traits, including albumen amino acid contents, can be changed by using the different housing systems.
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Affiliation(s)
- Nonoka Kawamura
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Hokkaido, Japan
| | - Masahiro Takaya
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Hokkaido, Japan
- Hokkaido Tokachi Area Regional Food Processing Technology Center, Tokachi Foundation, Obihiro 080-2462, Hokkaido, Japan
| | - Hideaki Hayashi
- Department of Veterinary Science, School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu 069-8501, Hokkaido, Japan
| | - Tatsuhiko Goto
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Hokkaido, Japan
- Research Center for Global Agromedicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Hokkaido, Japan
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Kasai R, Toriyabe K, Goto T, Hatano M, Kondo Y, Ohta T, Suyama M, Goto T, Koide W, Maki K, Ushijima K, Ban K. A case of breast milk-acquired cytomegalovirus infection in an extremely low birth weight infant. J Neonatal Perinatal Med 2023:NPM221130. [PMID: 37182845 DOI: 10.3233/npm-221130] [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] [Indexed: 05/16/2023]
Abstract
INTRODUCTION Although breast milk is considered the optimal nutrition for infants, it is also the primary cause of postnatal cytomegalovirus (CMV) infection. Preterm infants with postnatal CMV infections are susceptible to a variety of life-threatening conditions. CASE SUMMARY Twin male infants were delivered via emergency caesarian section at 27 weeks' gestation secondary to maternal complete uterine rupture. The Apgar scores at 1 and 5 min were 1 and 1 for the older twin (Twin A) and 0 and 3 for the younger twin (Twin B). Their birth weights were 1203 g (+ 0.65SD) and 495 g (- 3.79SD) respectively. On day 41, laboratory blood test results for Twin B showed a moderate elevation in C-reactive protein (CRP), thrombocytopenia. CMV quantitative polymerase chain reaction (qPCR) tests in Twin B's urine and blood as well as in the mother's breast milk were positive, but stored, dried umbilical cord CMV qPCR tests were negative. Twin B was diagnosed with a postnatal CMV infection secondary to infected breast milk and ganciclovir was commenced on day 52. Treatment was switched to valganciclovir at 74 days of age, but a negative CMV-DNA level in the blood was not achieved. Postnatal CMV infection in this infant led to an exacerbation of pre-existing bronchopulmonary dysplasia (BPD) and he demised at 182 days of age. CONCLUSION Postnatal cytomegalovirus infections may lead to exacerbations of BPD. Early use of raw breast milk in preterm infants should be done with careful consideration of this potential complication.
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Affiliation(s)
- R Kasai
- Department of Pediatrics, Yokkaichi Municipal Hospital, Shibata, Yokkaichi, Japan
| | - K Toriyabe
- Department of Obstetrics and Gynecology, Mie University Graduate School of Medicine, Japan
| | - T Goto
- Department of Pediatrics, Yokkaichi Municipal Hospital, Shibata, Yokkaichi, Japan
| | - M Hatano
- Department of Pediatrics, Yokkaichi Municipal Hospital, Shibata, Yokkaichi, Japan
| | - Y Kondo
- Department of Pediatrics, Yokkaichi Municipal Hospital, Shibata, Yokkaichi, Japan
| | - T Ohta
- Department of Pediatrics, Yokkaichi Municipal Hospital, Shibata, Yokkaichi, Japan
| | - M Suyama
- Department of Pediatrics, Yokkaichi Municipal Hospital, Shibata, Yokkaichi, Japan
| | - T Goto
- Department of Pediatrics, Yokkaichi Municipal Hospital, Shibata, Yokkaichi, Japan
| | - W Koide
- Department of Pediatrics, Yokkaichi Municipal Hospital, Shibata, Yokkaichi, Japan
| | - K Maki
- Department of Pediatrics, Yokkaichi Municipal Hospital, Shibata, Yokkaichi, Japan
| | - K Ushijima
- Department of Pediatrics, Yokkaichi Municipal Hospital, Shibata, Yokkaichi, Japan
| | - K Ban
- Department of Pediatrics, Yokkaichi Municipal Hospital, Shibata, Yokkaichi, Japan
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Sonoda R, Kuramoto E, Minami S, Matsumoto SE, Ohyagi Y, Saito T, Saido T, Noguchi K, Goto T. Reduced Autophagy in Aged Trigeminal Neurons Causes Amyloid β Diffusion. J Dent Res 2023:220345231156095. [PMID: 36919893 DOI: 10.1177/00220345231156095] [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] [Indexed: 03/16/2023] Open
Abstract
The relationship between oral health and the development of Alzheimer's disease (AD) in the elderly is not yet well understood. In this regard, the association between aging or neurodegeneration of the trigeminal nervous system and the accumulation of amyloid-β(1-42) (Aβ42) oligomers in the pathogenesis of AD is unknown. We focused on selective autophagy in the trigeminal mesencephalic nucleus (Vmes) and the diffusion of Aβ42 oligomers with respect to aging of the trigeminal nervous system and whether the degeneration of Vmes neurons affects the diffusion of Aβ42 oligomers. We used female 2- to 8-mo-old transgenic 3xTg-AD mice and AppNL-G-F knock-in mice and immunohistochemically examined aging-related changes in selective autophagy and Aβ42 oligomer processing in the Vmes, which exhibits high amyloid-β (Aβ) expression. We induced degeneration of Vmes neurons by extracting the maxillary molars and examined the changes in Aβ42 oligomer kinetics. Autophagosome-like membranes, which stained positive for Aβ, HO-1, and LC3B, were observed in Vmes neurons of 3xTg-AD mice, while there was weak immunoreactivity of the membranes for intraneuronal Aβ in AppNL-G-F mice. By contrast, there was strong immunopositivity for extracellular Aβ42 oligomers with the formation of Aβ42 oligomer clusters in AppNL-G-F mice. The expression of Rubicon, which indicates age-related deterioration of autophagy, increased the diffusion of Aβ42 oligomer with the age of Vmes neurons. Tooth extraction increased the extracellular immunopositivity for Aβ42 oligomers in AppNL-G-F mice. These results suggest that autophagy maintains homeostasis in Vmes neurons and that deterioration of autophagy due to aging or neurodegeneration leads to the diffusion of Aβ42 oligomers into the extracellular space and possibly the development of AD.
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Affiliation(s)
- R Sonoda
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan.,Department of Oral Anatomy and Cell Biology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - E Kuramoto
- Department of Oral Anatomy and Cell Biology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - S Minami
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan.,Department of Oral Anatomy and Cell Biology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - S E Matsumoto
- Department of Immunology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Y Ohyagi
- Department of Neurology and Geriatric Medicine, Ehime University Graduate School of Medicine, Ehime, Japan
| | - T Saito
- Department of Neurocognitive Science, Institute of Brain Science, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - T Saido
- Laboratory for Proteolytic Neuroscience, RIKEN Center for Brain Science, Wako, Japan
| | - K Noguchi
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - T Goto
- Department of Oral Anatomy and Cell Biology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
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Kubota Y, Ogiwara T, Kitamura S, Nishikawa A, Fujii Y, Hanaoka Y, Yokota A, Higashiyama F, Oya F, Goto T, Hongo K, Horiuchi T. Novel method of rugby headgear for managing postoperative cerebrospinal fluid leakage following craniotomy. Neurochirurgie 2022; 68:550-552. [PMID: 35697526 DOI: 10.1016/j.neuchi.2022.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 05/10/2022] [Indexed: 02/06/2023]
Affiliation(s)
- Y Kubota
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - T Ogiwara
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan.
| | - S Kitamura
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - A Nishikawa
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - Y Fujii
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - Y Hanaoka
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - A Yokota
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan; Department of Neurosurgery, Shinshu Ueda Medical Center, Ueda, Nagano, Japan
| | - F Higashiyama
- Department of Neurosurgery, Shinshu Ueda Medical Center, Ueda, Nagano, Japan
| | - F Oya
- Department of Neurosurgery, Shinshu Ueda Medical Center, Ueda, Nagano, Japan
| | - T Goto
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - K Hongo
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
| | - T Horiuchi
- Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
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12
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Kondoh D, Ono R, Yanagawa M, Goto T. Morphological variations of caudal skeleton between three chicken breeds. J Vet Med Sci 2022; 84:1225-1229. [PMID: 35858820 PMCID: PMC9523289 DOI: 10.1292/jvms.22-0174] [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] [Indexed: 11/22/2022] Open
Abstract
Although fancy caudae are important traits for chicken breeds, factors associated with their morphological diversity are not fully understood. We analyzed the caudal skeleton of the Tosa-jidori, Chabo, and Minohikichabo breeds with wild-type, erect, and rich caudae, respectively. Five of six Tosa-jidori chickens had four caudal vertebrae, whereas all six Chabo and five of six Minohikichabo chickens had five. The angle of the apex pygostyli with respect to the margo cranialis was significantly larger and smaller in Chabo and Minohikichabo than Tosa-jidori chickens, respectively. These findings indicated that the caudal skeleton is one of important factors for forming the characteristic traits of chicken breeds.
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Affiliation(s)
- Daisuke Kondoh
- Department of Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine
| | - Ryoko Ono
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine
| | - Masashi Yanagawa
- Department of Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine
| | - Tatsuhiko Goto
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine.,Research Center for Global Agromedicine, Obihiro University of Agriculture and Veterinary Medicine
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13
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Watanabe Y, Hyeon-Deuk K, Yamamoto T, Yabuuchi M, Karakulina OM, Noda Y, Kurihara T, Chang IY, Higashi M, Tomita O, Tassel C, Kato D, Xia J, Goto T, Brown CM, Shimoyama Y, Ogiwara N, Hadermann J, Abakumov AM, Uchida S, Abe R, Kageyama H. Polyoxocationic antimony oxide cluster with acidic protons. Sci Adv 2022; 8:eabm5379. [PMID: 35714182 PMCID: PMC9205590 DOI: 10.1126/sciadv.abm5379] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 05/04/2022] [Indexed: 06/15/2023]
Abstract
The success and continued expansion of research on metal-oxo clusters owe largely to their structural richness and wide range of functions. However, while most of them known to date are negatively charged polyoxometalates, there is only a handful of cationic ones, much less functional ones. Here, we show an all-inorganic hydroxyiodide [H10.7Sb32.1O44][H2.1Sb2.1I8O6][Sb0.76I6]2·25H2O (HSbOI), forming a face-centered cubic structure with cationic Sb32O44 clusters and two types of anionic clusters in its interstitial spaces. Although it is submicrometer in size, electron diffraction tomography of HSbOI allowed the construction of the initial structural model, followed by powder Rietveld refinement to reach the final structure. The cationic cluster is characterized by the presence of acidic protons on its surface due to substantial Sb3+ deficiencies, which enables HSbOI to serve as an excellent solid acid catalyst. These results open up a frontier for the exploration and functionalization of cationic metal-oxo clusters containing heavy main group elements.
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Affiliation(s)
- Yuki Watanabe
- Department of Energy and Hydrocarbon Chemistry, Graduate school of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Kim Hyeon-Deuk
- Division of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - Takafumi Yamamoto
- Department of Energy and Hydrocarbon Chemistry, Graduate school of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Masayoshi Yabuuchi
- Department of Energy and Hydrocarbon Chemistry, Graduate school of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | | | - Yasuto Noda
- Division of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - Takuya Kurihara
- Division of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - I-Ya Chang
- Division of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - Masanobu Higashi
- Department of Energy and Hydrocarbon Chemistry, Graduate school of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Osamu Tomita
- Department of Energy and Hydrocarbon Chemistry, Graduate school of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Cédric Tassel
- Department of Energy and Hydrocarbon Chemistry, Graduate school of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Daichi Kato
- Department of Energy and Hydrocarbon Chemistry, Graduate school of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Jingxin Xia
- Department of Energy and Hydrocarbon Chemistry, Graduate school of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Tatsuhiko Goto
- Department of Energy and Hydrocarbon Chemistry, Graduate school of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Craig M. Brown
- Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
| | - Yuto Shimoyama
- Department of Basic Science, School of Arts and Sciences, The University of Tokyo, Meguro-ku, Tokyo 153-8902, Japan
| | - Naoki Ogiwara
- Department of Basic Science, School of Arts and Sciences, The University of Tokyo, Meguro-ku, Tokyo 153-8902, Japan
| | | | - Artem M. Abakumov
- CEST, Skolkovo Institute of Science and Technology, 121205 Moscow, Russia
| | - Sayaka Uchida
- Department of Basic Science, School of Arts and Sciences, The University of Tokyo, Meguro-ku, Tokyo 153-8902, Japan
| | - Ryu Abe
- Department of Energy and Hydrocarbon Chemistry, Graduate school of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
- CREST, Japan Science and Technology Agency (JST), Kawaguchi, Saitama 332-0012, Japan
| | - Hiroshi Kageyama
- Department of Energy and Hydrocarbon Chemistry, Graduate school of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
- CREST, Japan Science and Technology Agency (JST), Kawaguchi, Saitama 332-0012, Japan
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14
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Goto T, Ohya K, Takaya M. Genotype affects free amino acids of egg yolk and albumen in Japanese indigenous breeds and commercial Brown layer chickens. Poult Sci 2021; 101:101582. [PMID: 34890945 PMCID: PMC8665412 DOI: 10.1016/j.psj.2021.101582] [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: 08/04/2021] [Revised: 10/09/2021] [Accepted: 10/24/2021] [Indexed: 11/03/2022] Open
Abstract
Using a variety of genetic resources, the aim of this study is to see how genetic background affects egg traits in chickens. Three different chicken genotypes (a commercial Brown layer, BOR; 2 Japanese indigenous breeds, NGY and YKD) were investigated effects on genotype in 10 external and internal egg quality traits along with 20 yolk and albumen free amino acid traits. Significant effects on genotype in 10 external and internal egg quality traits and 18 yolk and 17 albumen amino acid traits were found (P < 0.05). In sizes and weights of egg and eggshell redness, there were significant differences among all combinations of genotype (BOR > NGY > YKD). In 14 yolk (Asn, Ser, Gln, Gly, His, Arg, Ala, Pro, Tyr, Val, Met, Leu, Phe, and Lys) and 8 albumen amino acid traits (Gln, Gly, His, Arg, Val, Ile, Leu, and Lys), BOR was significantly higher than NGY and YKD, while the opposite relations were seen in 2 amino acid traits (Cys and GABA). Moreover, phenotypic correlation analyses revealed that positive correlations among amino acid traits within each yolk and albumen were broadly seen (0.30 < r < 0.98, P < 0.05). However, there are almost no phenotypic correlations in amino acids between yolk and albumen in BOR and NGY, but negative correlations in YKD, which implying a potential use of untapped genetic resources for modifying amino acid balance. These results indicate genetic background affects not only sizes and weights of egg but also amino acid contents and their balance of yolk and albumen.
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Affiliation(s)
- Tatsuhiko Goto
- Research Center for Global Agromedicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan; Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan.
| | - Kosei Ohya
- Mie Prefecture Livestock Research Institute, Matsusaka, Mie 515-2324, Japan
| | - Masahiro Takaya
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan; Hokkaido Tokachi Area Regional Food Processing Technology Center, Tokachi Foundation, Obihiro, Hokkaido 080-2462, Japan
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15
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Nishimura K, Ijiri D, Shimamoto S, Takaya M, Ohtsuka A, Goto T. Genetic effect on free amino acid contents of egg yolk and albumen using five different chicken genotypes under floor rearing system. PLoS One 2021; 16:e0258506. [PMID: 34624067 PMCID: PMC8500412 DOI: 10.1371/journal.pone.0258506] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 09/28/2021] [Indexed: 01/24/2023] Open
Abstract
Chicken eggs play an important role as food resources in the world. Although genetic effects on yolk and albumen contents have been reported, the number of chicken genotypes analyzed so far is still limited. To investigate the effect of genetic background on 10 egg traits, 19 yolk amino acid traits, and 19 albumen amino acid traits, we evaluated a total of 58 eggs from five genotypes: two Japanese indigenous breeds (Ukokkei and Nagoya) and three hybrids (Araucana cross, Kurohisui, and Boris Brown) under a floor rearing system. One-way ANOVA revealed significant effects of genotype on 10 egg traits, 8 yolk amino acids (Asp, Glu, Ser, Gly, Thr, Tyr, Cys, and Leu), and 11 albumen amino acids (Asp, Glu, Asn, Ser, Gln, His, Ala, Tyr, Trp, Phe, and Ile) contents. Moderate to strong positive phenotypic correlations among traits within each trait category (size and weight traits, yolk amino acid traits, and albumen amino acid traits), whereas there were basically no or weak correlations among the trait categories. However, a unique feature was found in the Araucana cross indicating moderate positive correlations of amino acids between yolk and albumen. These results suggest that genetic factors can modify not only the size and weight of the egg and eggshell color but also yolk and albumen free amino acids contents.
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Affiliation(s)
- Kenji Nishimura
- Department of Life and Food Science, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan
| | - Daichi Ijiri
- Department of Biochemical Science and Technology, Kagoshima University, Korimoto, Kagoshima, Japan
| | - Saki Shimamoto
- Department of Biochemical Science and Technology, Kagoshima University, Korimoto, Kagoshima, Japan
- Graduate School of Science and Technology, Niigata University, Niigata, Japan
| | - Masahiro Takaya
- Department of Life and Food Science, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan
- Hokkaido Tokachi Area Regional Food Processing Technology Center, Tokachi Foundation, Obihiro, Japan
| | - Akira Ohtsuka
- Department of Biochemical Science and Technology, Kagoshima University, Korimoto, Kagoshima, Japan
| | - Tatsuhiko Goto
- Department of Life and Food Science, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan
- Research Center for Global Agromedicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan
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16
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Fukaguchi K, Yamagami H, Soeno S, Liu K, Sonoo T, Nakamura K, Goto T. 377 The Diagnostic Accuracy of Costovertebral Angle Tenderness in the Emergency Department. Ann Emerg Med 2021. [DOI: 10.1016/j.annemergmed.2021.09.392] [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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17
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Okuma A, Nakajima M, Ito H, Sonoo T, Nakamura K, Goto T. 287 Association Between Comorbid Mental Illness and Preceding Emergency Department Visits in Unplanned Admissions. Ann Emerg Med 2021. [DOI: 10.1016/j.annemergmed.2021.09.300] [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: 10/20/2022]
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18
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Fujimori R, Liu K, Soeno S, Naraba H, Shirakawa T, Hara K, Sonoo T, Ogura T, Nakamura K, Goto T. 135 Acceptance and Barriers of AI-Based Decision Support Systems in Emergency Departments: A Quantitative and Qualitative Evaluation. Ann Emerg Med 2021. [DOI: 10.1016/j.annemergmed.2021.09.145] [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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19
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Giammattei L, di Russo P, Starnoni D, Passeri T, Bruneau M, Meling TR, Berhouma M, Cossu G, Cornelius JF, Paraskevopoulos D, Zazpe I, Jouanneau E, Cavallo LM, Benes V, Seifert V, Tatagiba M, Schroeder HWS, Goto T, Ohata K, Al-Mefty O, Fukushima T, Messerer M, Daniel RT, Froelich S. Petroclival meningiomas: update of current treatment and consensus by the EANS skull base section. Acta Neurochir (Wien) 2021; 163:1639-1663. [PMID: 33740134 DOI: 10.1007/s00701-021-04798-z] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Accepted: 03/03/2021] [Indexed: 12/20/2022]
Abstract
BACKGROUND The optimal management of petroclival meningiomas (PCMs) continues to be debated along with several controversies that persist. METHODS A task force was created by the EANS skull base section along with its members and other renowned experts in the field to generate recommendations for the management of these tumors. To achieve this, the task force reviewed in detail the literature in this field and had formal discussions within the group. RESULTS The constituted task force dealt with the existing definitions and classifications, pre-operative radiological investigations, management of small and asymptomatic PCMs, radiosurgery, optimal surgical strategies, multimodal treatment, decision-making, and patient's counselling. CONCLUSION This article represents the consensually derived opinion of the task force with respect to the management of PCMs.
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Affiliation(s)
- Lorenzo Giammattei
- Department of Neurosurgery, Lariboisière Hospital, Université Paris Diderot, Paris, France.
| | - P di Russo
- Department of Neurosurgery, Lariboisière Hospital, Université Paris Diderot, Paris, France
| | - D Starnoni
- Department of Neurosurgery and Gamma Knife Center, University Hospital of Lausanne and Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
| | - T Passeri
- Department of Neurosurgery, Lariboisière Hospital, Université Paris Diderot, Paris, France
| | - M Bruneau
- Department of Neurosurgery, Erasme Hospital, Brussels, Belgium
| | - T R Meling
- Department of Neurosurgery, University Hospital of Geneva, Geneva, Switzerland
| | - M Berhouma
- Department of Neurosurgery, Hopital Neurologique Pierre Wertheimer, Lyon, France
| | - G Cossu
- Department of Neurosurgery and Gamma Knife Center, University Hospital of Lausanne and Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
| | - J F Cornelius
- Department of Neurosurgery, Medical Faculty, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - D Paraskevopoulos
- Department of Neurosurgery, Barts Health NHS Trust, St. Bartholomew's and The Royal London Hospital, London, UK
| | - I Zazpe
- Department of Neurosurgery, Complejo Hospitalario de Navarra, Pamplona, Spain
| | - E Jouanneau
- Department of Neurosurgery, Hopital Neurologique Pierre Wertheimer, Lyon, France
| | - L M Cavallo
- Department of Neurosurgery, University Hospital of Naples Federico II, Napoli, NA, Italy
| | - V Benes
- Department of Neurosurgery, First Medical Faculty, Military University Hospital and Charles University, Prague, Czech Republic
| | - V Seifert
- Department of Neurosurgery, Johann Wolfgang Goethe University, Frankfurt am Main, Germany
| | - M Tatagiba
- Department of Neurosurgery, Eberhard Karls University of Tübingen, Tübingen, Germany
| | - H W S Schroeder
- Department of Neurosurgery, University Medicine Greifswald, Greifswald, Germany
| | - T Goto
- Department of Neurosurgery, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - K Ohata
- Department of Neurosurgery, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - O Al-Mefty
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - T Fukushima
- Department of Neurosurgery, Carolina Neuroscience Institute, Raleigh, NC, USA
| | - M Messerer
- Department of Neurosurgery and Gamma Knife Center, University Hospital of Lausanne and Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
| | - R T Daniel
- Department of Neurosurgery and Gamma Knife Center, University Hospital of Lausanne and Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
| | - S Froelich
- Department of Neurosurgery, Lariboisière Hospital, Université Paris Diderot, Paris, France
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20
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Goto T, Shimamoto S, Ohtsuka A, Ijiri D. Analyses of free amino acid and taste sensor traits in egg albumen and yolk revealed potential of value-added eggs in chickens. Anim Sci J 2021; 92:e13510. [PMID: 33417307 DOI: 10.1111/asj.13510] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [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: 07/16/2020] [Revised: 11/29/2020] [Accepted: 12/17/2020] [Indexed: 12/24/2022]
Abstract
To create high-quality eggs by using different breed and feed materials, we investigated free amino acid contents and taste sensor traits using two chicken breeds (Rhode Island Red; RIR and Australorp; AUS) fed two feeds (mixed and fermented feeds). Two-way ANOVA revealed significant breed and feed main and interaction effects on albumen bitterness and a significant interaction effect on yolk bitterness. Albumen from RIR fed mixed feed and AUS fed fermented feed was higher bitterness, whereas yolk from those groups was lower bitterness. Significant breed effects were detected in four albumen amino acid traits (His, Met, Ile, and Lys) and a yolk His, whereas significant feed effects were found in 15 albumen amino acid traits (Asp, Glu, Ser, His, Gly, Thr, Ala, Tyr, Val, Met, Trp, Ile, Leu, Lys, and Pro) and a yolk cystine trait. Compared to albumen amino acids, yolk amino acids had limited effects by breed and feed. The present results suggest that genetic and nutritional factors can alter not only amino acid contents but also sensor values of bitterness, indicating that selecting the combination of breed and feed enable us to make amino acids enriched and taste added designer eggs in future.
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Affiliation(s)
- Tatsuhiko Goto
- Research Center for Global Agromedicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan.,Department of Life and Food Science, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
| | - Saki Shimamoto
- Department of Biochemical Science and Technology, Kagoshima University, Korimoto, Japan.,Graduate School of Science and Technology, Niigata University, Niigata, Japan
| | - Akira Ohtsuka
- Department of Biochemical Science and Technology, Kagoshima University, Korimoto, Japan
| | - Daichi Ijiri
- Department of Biochemical Science and Technology, Kagoshima University, Korimoto, Japan
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21
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Itoh Y, Iida S, Tamura S, Nagashima R, Shiraki K, Goto T, Hibino K, Ide S, Maeshima K. 1,6-hexanediol rapidly immobilizes and condenses chromatin in living human cells. Life Sci Alliance 2021; 4:e202001005. [PMID: 33536240 PMCID: PMC7898662 DOI: 10.26508/lsa.202001005] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/13/2021] [Accepted: 01/19/2021] [Indexed: 12/15/2022] Open
Abstract
Liquid droplets formed inside the cell by liquid-liquid phase separation maintain membrane-less condensates/bodies (or compartments). These droplets are important for concentrating certain molecules and facilitating spatiotemporal regulation of cellular functions. 1,6-hexanediol (1,6-HD), an aliphatic alcohol, inhibits weak hydrophobic protein-protein/protein-RNA interactions required for the droplet formation (droplet melting activity) and is used here to elucidate the formation process of cytoplasmic/nuclear condensates/bodies. However, the effect of 1,6-HD on chromatin in living cells remains unclear. We found that 1,6-HD drastically suppresses chromatin motion and hyper-condenses chromatin in human cells by using live-cell single-nucleosome imaging, which detects changes in the state of chromatin. These effects were enhanced in a dose-dependent manner. Chromatin was "frozen" by 5%, or higher, concentrations of 1,6-HD. 1,6-HD greatly facilitated cation-dependent chromatin condensation in vitro. This 1,6-HD action is distinct from its melting activity of liquid droplets. Alcohols, such as 1,6-HD, appear to remove water molecules around chromatin and locally condense chromatin. Therefore, liquid droplet results obtained using 1,6-HD should be carefully interpreted or reconsidered when these droplets are associated with chromatin.
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Affiliation(s)
- Yuji Itoh
- Genome Dynamics Laboratory, National Institute of Genetics, Mishima, Japan
| | - Shiori Iida
- Genome Dynamics Laboratory, National Institute of Genetics, Mishima, Japan
- Department of Genetics, School of Life Science, SOKENDAI, Mishima, Japan
| | - Sachiko Tamura
- Genome Dynamics Laboratory, National Institute of Genetics, Mishima, Japan
| | - Ryosuke Nagashima
- Genome Dynamics Laboratory, National Institute of Genetics, Mishima, Japan
- Department of Genetics, School of Life Science, SOKENDAI, Mishima, Japan
| | - Kentaro Shiraki
- Faculty of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Japan
| | - Tatsuhiko Goto
- Research Center for Global Agromedicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
| | - Kayo Hibino
- Genome Dynamics Laboratory, National Institute of Genetics, Mishima, Japan
- Department of Genetics, School of Life Science, SOKENDAI, Mishima, Japan
| | - Satoru Ide
- Genome Dynamics Laboratory, National Institute of Genetics, Mishima, Japan
- Department of Genetics, School of Life Science, SOKENDAI, Mishima, Japan
| | - Kazuhiro Maeshima
- Genome Dynamics Laboratory, National Institute of Genetics, Mishima, Japan
- Department of Genetics, School of Life Science, SOKENDAI, Mishima, Japan
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22
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Goto T, Shimamoto S, Takaya M, Sato S, Takahashi K, Nishimura K, Morii Y, Kunishige K, Ohtsuka A, Ijiri D. Impact on genetic differences among various chicken breeds on free amino acid contents of egg yolk and albumen. Sci Rep 2021; 11:2270. [PMID: 33500483 PMCID: PMC7838262 DOI: 10.1038/s41598-021-81660-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Accepted: 01/11/2021] [Indexed: 12/12/2022] Open
Abstract
Eggs play important roles as food resources and nutraceuticals, to alleviate malnutrition and to improve health status in the world. Since free amino acids contribute to the nutritional values and food tastes, we investigated a total of 81 eggs from five chicken breeds, which are Australorp, Nagoya (NGY), Rhode Island Red (RIR), Shamo (SHA), Ukokkei, and two F1 hybrids (NGYxRIR and SHAxRIR) to test impact on genetic differences in 10 egg traits, 20 yolk amino acid traits, and 18 albumen amino acid traits. One-way ANOVA revealed significant breed effects on 10 egg traits, 20 yolk amino acid traits, and 15 albumen amino acid traits. Moreover, a significant heterosis effect on yolk aspartic acid was identified. In addition, positive correlations were found broadly among traits within each trait category (egg traits, yolk amino acid traits, and albumen amino acid traits), whereas there were basically no or weak correlations among the trait categories. These results suggest that almost all traits can be dramatically modified by genetic factor, and there will be partially independent production systems of amino acids into yolk and albumen. Since there will be typical quantitative genetic architecture of egg contents, further genetic analyses will be needed.
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Affiliation(s)
- Tatsuhiko Goto
- Research Center for Global Agromedicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, 080-8555, Japan. .,Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, 080-8555, Japan.
| | - Saki Shimamoto
- Department of Biochemical Science and Technology, Kagoshima University, Korimoto, Kagoshima, 890-0065, Japan.,Graduate School of Science and Technology, Niigata University, Niigata, 950-2181, Japan
| | - Masahiro Takaya
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, 080-8555, Japan.,Hokkaido Tokachi Area Regional Food Processing Technology Center, Tokachi Foundation, Obihiro, Hokkaido, 080-2462, Japan
| | - Shun Sato
- Agricultural Research Department, Animal Research Center, Hokkaido Research Organization, Shintoku, Hokkaido, 081-0038, Japan
| | - Kanna Takahashi
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, 080-8555, Japan
| | - Kenji Nishimura
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, 080-8555, Japan
| | - Yasuko Morii
- Agricultural Research Department, Animal Research Center, Hokkaido Research Organization, Shintoku, Hokkaido, 081-0038, Japan
| | - Kyoko Kunishige
- Agricultural Research Department, Animal Research Center, Hokkaido Research Organization, Shintoku, Hokkaido, 081-0038, Japan
| | - Akira Ohtsuka
- Department of Biochemical Science and Technology, Kagoshima University, Korimoto, Kagoshima, 890-0065, Japan
| | - Daichi Ijiri
- Department of Biochemical Science and Technology, Kagoshima University, Korimoto, Kagoshima, 890-0065, Japan
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Matsumoto Y, Nagayama H, Nakaoka H, Toyoda A, Goto T, Koide T. Combined change of behavioral traits for domestication and gene-networks in mice selectively bred for active tameness. Genes Brain Behav 2021; 20:e12721. [PMID: 33314580 PMCID: PMC7988575 DOI: 10.1111/gbb.12721] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 12/09/2020] [Accepted: 12/11/2020] [Indexed: 02/02/2023]
Abstract
Tameness is a major element of animal domestication and involves two components: motivation to approach humans (active tameness) and reluctance to avoid humans (passive tameness). To understand the behavioral and genetic mechanisms of active tameness in mice, we had previously conducted selective breeding for long durations of contact and heading toward human hands in an active tameness test using a wild-derived heterogeneous stock. Although the study showed a significant increase in contacting and heading with the 12th generation of breeding, the effect on other behavioral indices related to tameness and change of gene expression levels underlying selective breeding was unclear. Here, we analyzed nine tameness-related traits at a later stage of selective breeding and analyzed how gene expression levels were changed by the selective breeding. We found that five traits, including contacting and heading, showed behavioral change in the selective groups comparing to the control through the generations. Furthermore, we conducted cluster analyses to evaluate the relationships among the nine traits and found that contacting and heading combined in an independent cluster in the selected groups, but not in the control groups. RNA-Seq of hippocampal tissue revealed differential expression of 136 genes between the selection and control groups, while the pathway analysis identified the networks associated with these genes. These results suggest that active tameness was hidden in the control groups but became apparent in the selected populations by selective breeding, potentially driven by changes in gene expression networks.
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Affiliation(s)
- Yuki Matsumoto
- Mouse Genomics Resource Laboratory, National Institute of Genetics, Mishima, Shizuoka, Japan.,Department of Genetics, SOKENDAI, Mishima, Shizuoka, Japan.,Anicom Specialty Medical Institute Inc., Chojamachi, Yokohamashi-Nakaku, Kanagawaken, Japan
| | - Hiromichi Nagayama
- Mouse Genomics Resource Laboratory, National Institute of Genetics, Mishima, Shizuoka, Japan.,Department of Genetics, SOKENDAI, Mishima, Shizuoka, Japan
| | - Hirofumi Nakaoka
- Department of Genetics, SOKENDAI, Mishima, Shizuoka, Japan.,Division of Human Genetics, Department of Integrated Genetics, National Institute of Genetics, Mishima, Shizuoka, Japan
| | - Atsushi Toyoda
- Comparative Genomics Laboratory, National Institute of Genetics, Mishima, Shizuoka, Japan
| | - Tatsuhiko Goto
- Mouse Genomics Resource Laboratory, National Institute of Genetics, Mishima, Shizuoka, Japan.,Research Center for Global Agromedicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan
| | - Tsuyoshi Koide
- Mouse Genomics Resource Laboratory, National Institute of Genetics, Mishima, Shizuoka, Japan.,Department of Genetics, SOKENDAI, Mishima, Shizuoka, Japan
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24
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Nakayama T, Oshima Y, Kusumoto S, Osaga S, Yamamoto J, Wakami K, Goto T, Sugiura T, Seo Y, Iida S, Ohte N. Clinical features, risk factors, and prognosis of anthracycline-induced cardiotoxicity in patients with malignant lymphoma who received a CHOP like regimen. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.2039] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Anthracycline-induced cardiotoxicity is a serious complication in patients with malignant lymphoma (ML) who received chemotherapy, which threatens life prognosis and quality of life of patients. However, incidence and risk factors of cardiotoxicity in patients with ML who undergo intensive chemotherapy which aims complete remission is not clarified. Furthermore, prognosis after cardiotoxicity and that after recovery from cardiotoxicity have not been elucidated.
Method
We screened 443 ML patients who received either rituximab (R)-CHOP or CHOP regimen between January 2008 and December 2017 at Nagoya City University Hospital. Two handled forty-four patients who underwent echocardiography before and after chemotherapy were enrolled and data were analyzed retrospectively. Cardiotoxicity was defined as a decline in left ventricular ejection fraction (LVEF) of 10% or greater and an LVEF was below 50%. Partial recovery was defined as a 5% or more of increase in LVEF and an LVEF was ≥50% after cardiotoxicity. Complete recovery was defined as an increase in LVEF became more than 95% of the baseline value. Patient's basic characteristics, chemotherapeutic regimen, laboratory data, echocardiographic data, and prognosis were collected from the medical records by two cardiologists and two hematologists.
Result
At baseline, the median age was 71 years, the median cumulative dose of doxorubicin was 302 mg/m2 and the median LVEF was 69%. During the follow-up period, cardiotoxicity was observed in 52 out of 244 patients (21%), 30 patients (12%) had a symptomatic heart failure, and 5 patients died from cardiovascular cause. Thirty-five patients developed cardiotoxicity during the first year of chemotherapy. Multivariate analysis identified that only the baseline LVEF (HR 0.949, 95% CI 0.919–0.981, p=0.002) was an independent risk factor for cardiotoxicity. In our study, patients who received more than 200 mg/m2 of doxorubicin developed cardiotoxicity frequently. Among 52 patients who experienced cardiotoxicity, partial recovery and full recovery were observed in 18 (35%) and 4 (8%) patients, respectively. Four patients without recovery died due to heart failure and 1 patient with partial recovery died suddenly. Six out of 18 patients with partial recovery developed re-cardiotoxicity.
Conclusion
ML patients who undergo more than 200 mg/m2 of doxorubicin need a watchful follow-up. Only a baseline LVEF was an independent risk factor for cardiotoxicity. one third of patients with partial recovery developed re-cardiotoxicity.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- T Nakayama
- Nagoya City University, Department of Cardiology, Nagoya, Japan
| | - Y Oshima
- Nagoya City University, Department of Hematology and Oncology, Nagoya, Japan
| | - S Kusumoto
- Nagoya City University, Department of Hematology and Oncology, Nagoya, Japan
| | - S Osaga
- Nagoya City University, Clinical Research Management Center, Nagoya, Japan
| | - J Yamamoto
- Nagoya City University, Department of Cardiology, Nagoya, Japan
| | - K Wakami
- Nagoya City University, Department of Cardiology, Nagoya, Japan
| | - T Goto
- Nagoya City University, Department of Cardiology, Nagoya, Japan
| | - T Sugiura
- Nagoya City University, Department of Cardiology, Nagoya, Japan
| | - Y Seo
- Nagoya City University, Department of Cardiology, Nagoya, Japan
| | - S Iida
- Nagoya City University, Department of Hematology and Oncology, Nagoya, Japan
| | - N Ohte
- Nagoya City University, Department of Cardiology, Nagoya, Japan
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25
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Nakamura M, Funakoshi T, Kataoka S, Horimatsu T, Nishikawa Y, Matsubara T, Mizukami T, Goto T, Tsuchihashi K, Baba E, Tsumura T, Mihara Y, Hamaguchi T, Muto M, Yanagita M. 348P Anti-VEGF inhibitors and renal safety in onco-nephrology consortium: Urinary protein/creatinine ratio (VERSiON UP study). Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.10.342] [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: 10/22/2022] Open
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26
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Hata R, Shimada T, Shima Y, Okabe K, Ohya M, Miura K, Murai R, Amano H, Kubo S, Tada T, Tanaka H, Fuku Y, Goto T, Kadota K. Clinical features and prognosis of acute myocardial infarction due to coronary artery embolism. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Coronary artery embolism (CE) is one of the important causes of acute coronary syndrome (ACS). The feature of CE is that angiographic evidence of coronary artery embolism and thrombosis without atherosclerotic components. However, the prevalence of CE remains unknown because of the diffifulty to diagnose in the acute settings. A recent retrospective analysis suggested that up to 3% of ACS cases may result from CE.
Purpose
The aim of this study was to elucidate the prevalence, clinical features and long-term outcomes including all-cause and cardiac death.
Methods
We analysed the consecutive 2695 patients with first AMI performed coronary intervention between January 2004 and July 2017. CE was diagnosed by clinical histories and angiographic findings. We retrospectively evaluated the clinical and lesion characteristics and outcomes including all-cause and cardiac death.
Results
The prevalence of CE was 2.0% (n=55; CE group and n=2640; non-CE group), including 8 (15%) patients with multivessel CE. The CE group had higher average age (70.8±14.9 vs. 68.4±12.6, p<0.01), prevalence of female (54% vs. 27%, p<0.01), lower prevalence of smoking (34% vs. 62%, p<0.01). The common causes with CE were atrial fibrillation (47%), and malignant tumor (9%), and cardiomyopathy (5%), and patent foramen ovale (4%). Only 20% of patients with CE were treated with anti-coagulant therapy. The rate of distal infarction site (defined as #4, #8, #14–15) was significantly higher in CE group than non-CE group (54.0% vs. 4.9%, p<0.01). During median follow-up of 53.6 [32.6–77.3] months, CE and thromboembolism recurred in 5 patients (CE: 1 patient, stroke 4 patients). The 4-year incidence of all-cause death was significantly higher in the CE group, but cardiac death was not significantly different between the groups (28.8% vs. 14.8%, p=0.03; 12.8% vs. 5.1%, p=0.11).
Conclusion
Compared with non-CE group, the prevalence of distal infarction site was significantly higher in the CE group, and the incidence of cardiac death is not significantly different.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- R Hata
- Kurashiki Central Hospital, Cardiology, Kurashiki, Japan
| | - T Shimada
- Kurashiki Central Hospital, Cardiology, Kurashiki, Japan
| | - Y Shima
- Kurashiki Central Hospital, Cardiology, Kurashiki, Japan
| | - K Okabe
- Kurashiki Central Hospital, Cardiology, Kurashiki, Japan
| | - M Ohya
- Kurashiki Central Hospital, Cardiology, Kurashiki, Japan
| | - K Miura
- Kurashiki Central Hospital, Cardiology, Kurashiki, Japan
| | - R Murai
- Kurashiki Central Hospital, Cardiology, Kurashiki, Japan
| | - H Amano
- Kurashiki Central Hospital, Cardiology, Kurashiki, Japan
| | - S Kubo
- Kurashiki Central Hospital, Cardiology, Kurashiki, Japan
| | - T Tada
- Kurashiki Central Hospital, Cardiology, Kurashiki, Japan
| | - H Tanaka
- Kurashiki Central Hospital, Cardiology, Kurashiki, Japan
| | - Y Fuku
- Kurashiki Central Hospital, Cardiology, Kurashiki, Japan
| | - T Goto
- Kurashiki Central Hospital, Cardiology, Kurashiki, Japan
| | - K Kadota
- Kurashiki Central Hospital, Cardiology, Kurashiki, Japan
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27
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Miura K, Shimada T, Ohya M, Murai R, Amano H, Kubo S, Tada T, Tanaka H, Fuku Y, Goto T, Kadota K. Risk stratification based on academic research consortium high bleeding risk criteria for long-term bleeding event after everolimus-eluting stent implantation. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1307] [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
Background
Recently, the Academic Research Consortium for High Bleeding Risk (ARC-HBR) criteria has been suggested as the standard definition of HBR.
Purpose
We aimed to investigate the risk stratification based on ARC-HBR Criteria for long-term bleeding event after everolimus-eluting stent implantation
Methods
The study population comprised 1193 patients treated with EES without in-hospital event between 2010 and 2011. Individual ARC-HBR criteria was retrospectively assessed. Major bleeding were defined as the occurrence of a Bleeding Academic Research Consortium type 3 or 5 bleeding event. The mean follow-up period was 2996±433 days.
Results
There were 656 patients (55.0%) in HBR-groups. Cumulative incidence of major bleeding was significantly higher in HBR-group (8.1% vs 3.4% at 4 year, and 16.2% vs 5.7% at 8 year, P<0.001). Cumulative rate of major bleeding tend to be higher as the number of ARC-HBR criteria increased (≥2 Majors: 24.3%, 1 Major: 17.0%, ≥2 Minors:11.7%, and Non-HBR: 5.7%, P<0.001).
Conclusion
ARC-HBR criteria successfully stratified the long-term bleeding risk after drug-eluting stent implantation in real-world practice.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- K Miura
- Kurashiki Central Hospital, Kurashiki, Japan
| | - T Shimada
- Kurashiki Central Hospital, Kurashiki, Japan
| | - M Ohya
- Kurashiki Central Hospital, Kurashiki, Japan
| | - R Murai
- Kurashiki Central Hospital, Kurashiki, Japan
| | - H Amano
- Kurashiki Central Hospital, Kurashiki, Japan
| | - S Kubo
- Kurashiki Central Hospital, Kurashiki, Japan
| | - T Tada
- Kurashiki Central Hospital, Kurashiki, Japan
| | - H Tanaka
- Kurashiki Central Hospital, Kurashiki, Japan
| | - Y Fuku
- Kurashiki Central Hospital, Kurashiki, Japan
| | - T Goto
- Kurashiki Central Hospital, Kurashiki, Japan
| | - K Kadota
- Kurashiki Central Hospital, Kurashiki, Japan
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28
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Toyoda A, Sato M, Muto M, Goto T, Miyaguchi Y, Inoue E. Metabolomic analyses of plasma and liver of mice fed with immature Citrus tumida peel. Biosci Biotechnol Biochem 2020; 84:1098-1104. [PMID: 32019425 DOI: 10.1080/09168451.2020.1719821] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
In this study, we investigated the effects of dietary supplementation of Citrus tumida hort. ex Tanaka on food intake, body and fat tissue weights, and metabolic profiles of plasma and liver in mice. Supplementation with 5% (w/w) of peels of immature C. tumida (PIC) for 4 weeks significantly suppressed body weight gain and decreased adipose tissue weight in epididymal, perirenal, and subcutaneous fats. Metabolome analyses showed that 2-hydroxyvaleric acid levels were reduced in the blood plasma of mice fed with PIC. PIC supplementation significantly elevated dipeptide (Thr-Asp, Ser-Glu, and Ala-Ala), glucuronic acid, and S-methylglutathione levels, and significantly reduced betaine aldehyde levels in the liver. In conclusion, PIC supplementation affects the metabolism of fatty acids, pectin, glutathione, and choline, showing potential beneficial effects for metabolic syndrome and obesity. PIC may be developed as a functional food and used in the treatment of these diseases.
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Affiliation(s)
- Atsushi Toyoda
- College of Agriculture, Ibaraki University, Ami, Japan.,Ibaraki University Cooperation between Agriculture and Medical Science (IUCAM), Ami, Japan.,United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Mizuho Sato
- College of Agriculture, Ibaraki University, Ami, Japan
| | - Masaki Muto
- College of Agriculture, Ibaraki University, Ami, Japan
| | - Tatsuhiko Goto
- College of Agriculture, Ibaraki University, Ami, Japan.,Ibaraki University Cooperation between Agriculture and Medical Science (IUCAM), Ami, Japan
| | - Yuji Miyaguchi
- College of Agriculture, Ibaraki University, Ami, Japan.,Ibaraki University Cooperation between Agriculture and Medical Science (IUCAM), Ami, Japan.,United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Eiichi Inoue
- College of Agriculture, Ibaraki University, Ami, Japan.,Ibaraki University Cooperation between Agriculture and Medical Science (IUCAM), Ami, Japan.,United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Tokyo, Japan
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29
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Kikuchi S, Kitada S, Wakami K, Goto T, Sugiura T, Seo Y, Ohte N. P743 Right ventricular function is important for exercise capacity in patients at risk of heart failure. Eur Heart J Cardiovasc Imaging 2020. [DOI: 10.1093/ehjci/jez319.410] [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: 11/12/2022] Open
Abstract
Abstract
Background and Purpose
It is important to evaluate exercise capacity to detect the development of heart failure (HF) in patients with heart disease. The pathology of exercise capacity is multi-factorial, and cardiac function is recognized as one of the most important determinants. However, the correlation between right ventricular (RV) function and exercise capacity is not fully understood in the subjects without HF. Therefore, we assessed the relationship between RV function and exercise capacity, both in patients with HF (HF+) and in patients with heart disease but not developed HF (HF-).
Methods
Two hundred and fifty-two patients with heart disease who underwent both Doppler echocardiography at rest and cardio-pulmonary exercise testing (CPET) for the assessment of heart function were enrolled (HF+: n = 142, HF-: n = 110). We measured left ventricular ejection fraction (LVEF), peak early diastolic transmitral flow velocity (E), peak late diastolic transmitral flow velocity (A), early diastolic mitral annular velocity (e’), left atrial volume (LAV), and tricuspid annular plane systolic excursion (TAPSE) by echocardiography. After echocardiographic examination, symptom-limited exercise testing was performed with simultaneous respiratory gas analysis, and peak oxygen consumption (pVO2) was determined. Blood examination including hemoglobin (Hb) and brain natriuretic peptide (BNP) was done on the same day.
Results
There were significant relationships between pVO2 and LVEF (r = 0.16, p = 0.005), e" (r = 0.51, p < 0.0001), E/e" (r=-0.47, p < 0.0001), LAV (r=-0.21, p = 0.0002), and TAPSE (r = 0.33, p < 0.0001) in the whole subjects. In the multiple regression analyses, age, Hb, E/e" and TAPSE were selected as significant determinants for pVO2 both in HF+ (R²=0.39, p < 0.0001) and HF- (R²=0.33, p < 0.0001).
Conclusion
RV function is the prime determinant of exercise capacity in patients at risk of HF, as well as in patients with HF.
Abstract P743 Figure.
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Affiliation(s)
- S Kikuchi
- Nagoya City University Graduate School of Medical Sciences, Department of Cardio-Renal Medicine and Hypertension, Nagoya, Japan
| | - S Kitada
- Nagoya City University Graduate School of Medical Sciences, Department of Cardio-Renal Medicine and Hypertension, Nagoya, Japan
| | - K Wakami
- Nagoya City University Graduate School of Medical Sciences, Department of Cardio-Renal Medicine and Hypertension, Nagoya, Japan
| | - T Goto
- Nagoya City University Graduate School of Medical Sciences, Department of Cardio-Renal Medicine and Hypertension, Nagoya, Japan
| | - T Sugiura
- Nagoya City University Graduate School of Medical Sciences, Department of Cardio-Renal Medicine and Hypertension, Nagoya, Japan
| | - Y Seo
- Nagoya City University Graduate School of Medical Sciences, Department of Cardio-Renal Medicine and Hypertension, Nagoya, Japan
| | - N Ohte
- Nagoya City University Graduate School of Medical Sciences, Department of Cardio-Renal Medicine and Hypertension, Nagoya, Japan
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30
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Mori H, Takaya M, Nishimura K, Goto T. Breed and feed affect amino acid contents of egg yolk and eggshell color in chickens. Poult Sci 2019; 99:172-178. [PMID: 32416798 PMCID: PMC7587729 DOI: 10.3382/ps/pez557] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 09/10/2019] [Indexed: 12/29/2022] Open
Abstract
Genetic and environmental factors regulate hen egg traits. To demonstrate the possibility of producing designer eggs through genetic and environmental factors, we investigated the effects of breed and feed on egg traits using 2 chicken breeds, Rhode Island Red (RIR) and Australorp (AUS), and 2 feeds, mixed feed and fermented feed. A total of 40 eggs were collected at 33 wk of age (0 mo under mixed feed) and 1, 1.5, and 2 mo after switching to fermented feed. Two-way ANOVA mixed design was used to evaluate 10 egg traits: weight, length of the long axis, length of the short axis, eggshell weight, yolk weight, albumen weight, eggshell thickness, eggshell lightness, redness, and yellowness, and 19 yolk amino acids. The results revealed significant breed effects on eggshell redness and yellowness, with higher values of these traits in RIR eggs compared with AUS eggs. There was a significant effect of feed on eggshell lightness, with a lighter color observed under fermented feed compared with mixed feed. Significant effects of breed and breed × feed were found for yolk cysteine content. Eggs from AUS had a higher yolk cysteine content than those from RIR. The cysteine content in AUS eggs increased gradually after starting fermented feed, although RIR remained relatively constant over time. These findings suggest that it is possible to produce designer eggs with enriched components, including yolk amino acids, by adjusting both genetic and environmental factors. This represents a first step in understanding the mechanisms underlying the production of value-added eggs in chickens.
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Affiliation(s)
- Hiroki Mori
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan
| | - Masahiro Takaya
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan; Hokkaido Tokachi Area Regional Food Processing Technology Center, Tokachi Foundation 080-2462, Japan
| | - Kenji Nishimura
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan
| | - Tatsuhiko Goto
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan; Research Center for Global Agromedicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan.
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31
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Stroka J, von Holst C, Anklam E, Reutter M, Barmark A, Brera C, Burdaspal P, Daily S, Declercq B, de Jong J, Eckstein H, Eklund E, Felgueiras I, Goto T, Hagler W, Joerissen U, Lew H, Ligi-Martins M, MacDonald S, Macho L, Marzna I, McGrath E, Michelet JY, Nordkvist E, Noutio K, Pascale M, Roos A, Schwadorf K, Spanjer M, Szymanski L, Visconti A, Walsh M, Werner G, Whitaker T, Wilson D, Worswick R. Immunoaffinity Column Cleanup with Liquid Chromatography Using Post-Column Bromination for Determination of Aflatoxin B1 in Cattle Feed: Collaborative Study. J AOAC Int 2019. [DOI: 10.1093/jaoac/86.6.1179] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Abstract
A collaborative study was conducted to evaluate the effectiveness of an immunoaffinity column cleanup liquid chromatography (LC) method for determination of aflatoxin B1 in cattle feed at a possible future European regulatory limit (1 ng/g). The test portion was extracted with acetone–water (85 + 15), filtered, diluted with water, and applied to an immunoaffinity column. The column was washed with water to remove interfering compounds, and the purified aflatoxin B1 was eluted with methanol. Aflatoxin B1 was separated and determined by reversed-phase liquid chromatography (RP–LC) and detected by fluorescence after post column derivatization (PCD) involving bromination. PCD was achieved with either pyridinium hydrobromide perbromide (PBPB), used by 14 laboratories, or an electrochemical cell and addition of bromide to the mobile phase, used by 7 laboratories. Both derivatization techniques were not significantly different when compared by the t-test; the method was statistically evaluated for all laboratories together (bromination and PBPB). The cattle feed samples, both spiked and naturally contaminatedwithaflatoxinB1, were sent to 21 laboratories in 14 different countries (United States, Japan, and Europe). Test portions were spiked at levels of 1.2 and 3.6 ng/g for aflatoxin B1. Recoveries ranged from 74 to 157%. Based on results for spiked samples (blind pairs at 2 levels) as well as naturally con-taminated samples (blind pairs at 3 levels), the relative standard deviation for repeatability (RSDr) ranged from 5.9 to 8.7%. The relative standard deviation for reproducibility (RSDR) ranged from 17.5 to 19.6%. The method showed acceptable within-and between-laboratory precision for this matrix, as evidenced by HORRAT values, at the target levels of determination for aflatoxin B1. No major differences in RSD were observed, showing that the composition of the feeds was not a factor for the samples tested and that the method was applicable for all materials used.
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Affiliation(s)
- Joerg Stroka
- European Commission, Directorate General Joint Research Centre, Institute for Reference Materials and Measurements, Retieseweg, B-2440 Geel, Belgium
| | - Christoph von Holst
- European Commission, Directorate General Joint Research Centre, Institute for Reference Materials and Measurements, Retieseweg, B-2440 Geel, Belgium
| | - Elke Anklam
- European Commission, Directorate General Joint Research Centre, Institute for Reference Materials and Measurements, Retieseweg, B-2440 Geel, Belgium
| | - Matthias Reutter
- Institut für Tiergesundheit und Lebensmittelqualität der Landwirtschaftskammer Schleswig Holstein, Landwirtschaftliche Untersuchungs-und Forschungsanstalt, Gutenbergstrasse 75-77, D-24116 Kiel, Germany
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32
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Okabe K, Ohya M, Matsushita K, Kuwayama A, Murai R, Miura K, Shimada T, Amano H, Kubo S, Habara S, Tada T, Tanaka H, Fuku Y, Goto T, Kadota K. P2693Late catch-up phenomenon and late-term target lesion revascularization of two-stenting for coronary bifurcation lesions between first and second generation drug-eluting stents. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.1010] [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: 11/12/2022] Open
Abstract
Abstract
Background
The second generation drug-eluting stent (G2-DES) has been reported as superior to the first generation drug-eluting stent (G1-DES) in mid-term outcomes. However, the late-term outcomes between G1-DES and G2-DES in two-stenting for coronary bifurcation lesions are not well studied.
Purpose
To evaluate the late catch-up phenomenon and late-term target lesion revascularization (TLR) of two-stenting for coronary bifurcation lesions between G1-DES and G2-DES.
Methods
This study included 1133 lesions in 1089 patients undergoing drug eluting stent implantation with two stenting from 2004 to 2016. These consisted of 496 G1-DES implanted lesions and 637 G2-DES implanted lesions. Late-term follow-up angiography was performed without in-stent restenosis (ISR) and TLR at mid-term follow-up in 582 lesions (242 G1-DES lesions and 340 G2-DES lesions). ISR was defined as more than 50% restenosis. Late catch-up phenomenon was defined as ISR without ISR within 1 year following index stent implantation. Late-term TLR was defined as from 1 to 5 year TLR. Bifurcation lesions were defined as the main branch ranging from the proximal stem to the distal main branch with boundaries defined by 5 mm proximal and distal to the stent-implanted area, and the side branch ranging from the bifurcation carina to the distal side branch with boundaries defined by the carina and 5 mm distal to the stent-implanted area.
Results
The median follow-up duration was 5.1 years (the first and third quarters, 3.2 and 7.1 years). The late-catch up phenomenon rate significantly differed between the G1-DES and G2-DES groups (16.9% vs 8.4%, p=0.001). A significant difference in late catch-up between the same two groups was also observed in bifurcation lesions of the main branch (5.0% vs 0.6%, p=0.001) and side branch (10.3% vs 5.6%, p=0.033), respectively. The 5-year cumulative rates also differed between the two groups in TLR (8.2% vs 3.7% log-rank p=0.001), and late-term TLR (7.0% vs 3.6% log-rank p=0.001).
Conclusion
Two-stenting using G2-DES, compared with G1-DES, significantly reduced late-term restenosis and TLR. The restenosis rate in bifurcation area may be associated with differences between two groups in late-term outcome.
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Affiliation(s)
- K Okabe
- Kurashiki Central Hospital, Department of Cardiology, Kurashiki, Japan
| | - M Ohya
- Kurashiki Central Hospital, Department of Cardiology, Kurashiki, Japan
| | - K Matsushita
- Kurashiki Central Hospital, Department of Cardiology, Kurashiki, Japan
| | - A Kuwayama
- Kurashiki Central Hospital, Department of Cardiology, Kurashiki, Japan
| | - R Murai
- Kurashiki Central Hospital, Department of Cardiology, Kurashiki, Japan
| | - K Miura
- Kurashiki Central Hospital, Department of Cardiology, Kurashiki, Japan
| | - T Shimada
- Kurashiki Central Hospital, Department of Cardiology, Kurashiki, Japan
| | - H Amano
- Kurashiki Central Hospital, Department of Cardiology, Kurashiki, Japan
| | - S Kubo
- Kurashiki Central Hospital, Department of Cardiology, Kurashiki, Japan
| | - S Habara
- Kurashiki Central Hospital, Department of Cardiology, Kurashiki, Japan
| | - T Tada
- Kurashiki Central Hospital, Department of Cardiology, Kurashiki, Japan
| | - H Tanaka
- Kurashiki Central Hospital, Department of Cardiology, Kurashiki, Japan
| | - Y Fuku
- Kurashiki Central Hospital, Department of Cardiology, Kurashiki, Japan
| | - T Goto
- Kurashiki Central Hospital, Department of Cardiology, Kurashiki, Japan
| | - K Kadota
- Kurashiki Central Hospital, Department of Cardiology, Kurashiki, Japan
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Moroi S, Nishimura K, Imai N, Kunishige K, Sato S, Goto T. Rapid behavioral assay using handling test provides breed and sex differences in tameness of chickens. Brain Behav 2019; 9:e01394. [PMID: 31456336 PMCID: PMC6790303 DOI: 10.1002/brb3.1394] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 08/03/2019] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Japanese indigenous chicken breeds are often used to improve meat quality rather than broilers in the Jidori industry. There are sometimes severe crowding accidents caused by many birds frightened by environmental stimuli. To prevent the economic loss, the chickens need to be more gentle, tame, and imperturbable. METHODS In this study, a new handling test for tameness in adult chickens in individual cages was performed with 100 birds from each sex of Shamo, Rhode Island Red, Nagoya, Australorp, and Ukokkei, as well as 10 hens of F1 hybrid between Shamo and Rhode Island Red, to measure both active and passive tameness. We counted the number heading toward human hands (heading) and retreating in other directions (avoiding) in both active and passive tameness phases, as well as the number of steps taken (step) during the handling test. RESULTS Male chickens exhibited higher avoidance behavior than females. Nagoya females displayed the lowest level of avoidance behavior, which implies passive tameness. In terms of active tameness, a variety of phenotypes can be obtained in different combinations of breed and sex. These results suggested the handling test will be good method for rapid screening of individual differences in tameness. In addition, there were heterosis effects on avoidance and locomotive behaviors. Since F1 is often used in the Jidori industry, the breeders should be tested not only for meat production but also for tameness. CONCLUSIONS In the future, combining both the behavioral screening and the population genomics will establish typical evidence about mechanisms of tameness and domestication in animals.
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Affiliation(s)
- Saki Moroi
- Department of Life and Food SciencesObihiro University of Agriculture and Veterinary MedicineObihiroJapan
| | - Kenji Nishimura
- Department of Life and Food SciencesObihiro University of Agriculture and Veterinary MedicineObihiroJapan
| | - Nana Imai
- Department of Life and Food SciencesObihiro University of Agriculture and Veterinary MedicineObihiroJapan
- Present address:
Graduate School of Biosphere ScienceHiroshima UniversityHigashi‐HiroshimaJapan
| | - Kyoko Kunishige
- Agricultural Research DepartmentAnimal Research CenterHokkaido Research OrganizationSapporoJapan
| | - Shun Sato
- Agricultural Research DepartmentAnimal Research CenterHokkaido Research OrganizationSapporoJapan
| | - Tatsuhiko Goto
- Department of Life and Food SciencesObihiro University of Agriculture and Veterinary MedicineObihiroJapan
- Research Center for Global AgromedicineObihiro University of Agriculture and Veterinary MedicineObihiroJapan
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Hirai K, Goto T, Ousaka D, Ohtsuki S, Oh H. P318Exosomes mediate myocardial regeneration of cardiac progenitor cells in a swine model of dilated cardiomyopathy. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz747.0153] [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
Stem cell therapy has been shown to improve cardiac function. The mechanisms of therapeutic efficacy are considered the secretion of paracrine factors but the details are still unknown.
Hypothesis
Exosomes are extracellular vesicles containing bioactive substances such as proteins, messenger RNAs and micro RNAs. We hypothesized that exosomes may be the main paracrine factors to mediate therapeutic efficacy of cardiosphere-derived cells (CDCs).
Methods
Farm pigs (30 kg, n=10) were treated by intracoronary administration of 10,000 microspheres (100–300 μm) into three vessels. Two weeks later, 9.0×106 CDCs pretreated by exosome inhibitor (EI; 20μM of GW4869) or DMSO as controls were selectively infused into three coronary arteries. Evaluation of ejection fraction (EF) was performed before cell infusion and 1 month after protocol treatment.
Results
Pigs developed diffuse hypokinetic heart failure (baseline EF 37.1%±2.1%) and randomly assigned into two groups (CDCs with EI: n=5, CDCs with DMSO: n=5). No serious adverse events were found during the CDCs infusion. Significant improvement of EF was observed in CDCs with DMSO group (37.1%±2.1% to 42.5%±3.0%; P=0.01), whereas no change was found in CDCs with EI group (37.1%±2.4% to 36.2%±2.9%; P=0.58). Myocardial fibrosis stained by picrosirius red was significantly reduced in CDCs with DMSO group compared with CDCs with EI group (9.5±3.6% versus 17.3±5.3%; P<0.01).
Conclusions
We confirmed the therapeutic efficacy of CDCs and these effects were mainly mediated by exosomes.
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Affiliation(s)
- K Hirai
- Okayama University, Pediatrics, Okayama, Japan
| | - T Goto
- Okayama University Hospital, Cardiovascular Surgery, Okayama, Japan
| | - D Ousaka
- Okayama University Hospital, Cardiovascular Surgery, Okayama, Japan
| | - S Ohtsuki
- Okayama University, Pediatrics, Okayama, Japan
| | - H Oh
- Okayama University Hospital, Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama, Japan
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Kadowaki S, Yamazaki S, Kotani Y, Tsuji T, Sakoda N, Kobayashi Y, Horio N, Goto T, Muraoka G, Ozawa S, Suezawa T, Kuroko Y, Tateishi A, Shimizu S, Kasahara S. P1833The c-fos mRNA expression reveals persistent myocardial stretch in the right ventricle during asphyxiated cardiac arrest. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.0585] [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
Background
Donation after circulatory death (DCD) heart transplantation has been debated over the past decades because of the shortage of donor. The right ventricular dysfunction is one of the remaining problems for clinical implication of DCD heart transplantation. DCD hearts suffering from the volume overload have a potential to aggravate the right ventricular dysfunction after heart transplantation. The c-fos mRNA is one of the “immediate” response genes to mechanical stresses, such as myocardial cell stretch, without neural and humoral factors. In this study, we assessed myocardial stretch during asphyxiated cardiac arrest using c-fos mRNA expression.
Purpose
The purpose of this study is to reveal the impact of right ventricular volume overload during asphyxiated cardiac arrest.
Methods
Male Wistar rats (8 weeks of age, n=18) were anesthetized with paralyzed ventilation. The trachea was dissected and ligated to initiate asphyxiation. Hearts were harvested at 3 time points: 0, 15 and 30 minutes after termination of the ventilation. Free walls of right and left ventricle were sectioned and immersed in RNA stabilization solution as soon as possible. Total RNA was extracted from these tissues using a guanidine thiocyanate-phenol-chloroform method and cDNA was synthesized using a reverse transcriptase. Next, we measured the quantified expression level by using the droplet digital PCR method with a probe and primers for c-fos gene. Expression of c-fos level was divided by extracted TATA binding protein (TBP) level as a control marker, the ratio of c-fos and TBP was used in analysis.
Results
In the left ventricle, the expression of c-fos rapidly increased by 15 minutes (0.81±0.24 (c-fos/TBP), p<0.05 by one-way ANOVA followed by the Dunnett's test) compared to at 0 minutes (0.21±0.06), but the expression level recovered to the baseline level at 30 minutes after termination of the ventilation (0.19±0.03). On the other hand, in the right ventricle, the c-fos expression was gradually elevated and peaked at 30 minutes (0.88±0.20, p<0.05 by the Dunnett's test) compared to at 0 minutes (0.22±0.05).
Conclusion
These results suggest that the volume overload to the right ventricle during asphyxiated cardiac arrest prolongs compared to that to the left ventricle, which may cause the right ventricular dysfunction after DCD heart transplantation.
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Affiliation(s)
| | - S Yamazaki
- National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Y Kotani
- Okayama University, Okayama, Japan
| | - T Tsuji
- Okayama University, Okayama, Japan
| | - N Sakoda
- Okayama University, Okayama, Japan
| | | | - N Horio
- Okayama University, Okayama, Japan
| | - T Goto
- Okayama University, Okayama, Japan
| | | | - S Ozawa
- Okayama University, Okayama, Japan
| | | | - Y Kuroko
- Okayama University, Okayama, Japan
| | | | - S Shimizu
- National Cerebral and Cardiovascular Center, Osaka, Japan
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Goto T, Miyagawa S, Tamai K, Matsuura R, Harada A, Ueno T, Toda K, Kuratani T, Sawa Y. P5391Systemic administration of high-mobility group box 1 can suppress adverse post-infarction ventricular remodeling in a rat infarction model by enhancing self-regeneration. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
High-mobility group box 1 protein (HMGB1) reportedly enhances CXCR4-positive bone marrow-derived mesenchymal stem cell (BM-MSC) recruitment to damaged tissue to promote tissue regeneration.
Purpose
Our aim of this study is to evaluate whether systemic administration of HMGB1 might promote tissue repair in a rat myocardial infarction (MI) model.
Methods
We prepared 26 MI model rats with high ligation of the left coronary artery. Two weeks later, HMGB1 (3 mg/kg/day) or phosphate-buffered saline (control: 3 mL/kg/day) was administered for 4 days via femoral vein. Cardiac performance was evaluated by ultrasonography, left ventricular (LV) remodeling via immunostaining. We then used immunostaining to examine MSC recruitment to damaged tissue in green fluorescent protein bone marrow transplantation (GFP-BMT) model rats, and also performed intravital imaging using two-photon microscopy to visualize BM-cells recruitment in real time.
Results
Compared with control rats, there was a significant improvement in the left ventricular ejection fraction of the HMGB1 group (HMGB1 vs. control: 48.6% ± 5.5% vs. 33.6% ± 5.4%; p<0.01) at 4 weeks after each administration. LV remodeling, characterized by interstitial fibrosis, cardiomyocyte hypertrophy, and a decrease of capillary density, was significantly attenuated in the HMGB1 group compared with control rats. On QT-PCR analysis, VEGF mRNA expression was significantly higher in the HMGB1 group than in the control (border zone; 1.6±0.6 vs. 1.1±0.2; p=0.02, septal zone; 1.1±0.1 vs. 0.9±0.1; p<0.01). In GFP-BMT rats, GFP+/PDGFR+ cells were significantly mobilized to the border zone in the HMGB1 group compared with the control (1331±197 vs. 615±45 /mm2; p<0.01), leading to formation of newly developed vasculature (Figure 1). In intravital imaging, more GFP+ cells were mobilized to the infarction area in the HMGB1 group than in the control, which was further enhanced at 12h later. Additionally, SDF-1 expression in the peri-infarction area increased significantly in MI rats compared with normal rats (MI vs. normal; 2.1±0.4 vs. 0.9±0.1; p<0.01), in where some cell-adhesions of vascular endothelial cells were destroyed.
Conclusions
Systemic administration of HMGB1 mobilized BM-MSCs to the damaged myocardium via the SDF-1/CXCR4 signaling complex. Those BM-MSCs might migrate to extracellular matrix in the border zone via the gap of each endothelial cell, leading to induction of angiogenesis and reduced fibrosis.
Acknowledgement/Funding
None
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Affiliation(s)
- T Goto
- Osaka University Graduate School of Medicine, Suita, Japan
| | - S Miyagawa
- Osaka University Graduate School of Medicine, Suita, Japan
| | - K Tamai
- Osaka University Graduate School of Medicine, Department of Stem Cell Therapy Science, Osaka, Japan
| | - R Matsuura
- Osaka University Graduate School of Medicine, Suita, Japan
| | - A Harada
- Osaka University Graduate School of Medicine, Suita, Japan
| | - T Ueno
- Osaka University Graduate School of Medicine, Suita, Japan
| | - K Toda
- Osaka University Graduate School of Medicine, Suita, Japan
| | - T Kuratani
- Osaka University Graduate School of Medicine, Department of Minimally Invasive Cardiovascular Medicine, Osaka, Japan
| | - Y Sawa
- Osaka University Graduate School of Medicine, Suita, Japan
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Takahashi J, Goto T, Ishimaru T, Okamoto H, Hagiwara Y, Watase H, Hasegawa K. 73 Association of Advanced Age With a Higher Risk of Endobronchial Intubation in the Emergency Department. Ann Emerg Med 2019. [DOI: 10.1016/j.annemergmed.2019.08.077] [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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38
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Hirai K, Baba K, Goto T, Ousaka D, Oh H, Kasahara S, Ohtsuki S. P3651Outcomes of right ventricular outflow tract reconstruction in children: comparison between bovine jugular vein graft and expanded polytetrafluoroethylene graft. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.0508] [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
Background
Various types of conduits are available for right ventricular outflow tract reconstruction (RVOTR). The bovine jugular vein graft (BJVG) and expanded polytetrafluoroethylene graft (ePTFEG) have been descrived as an alternative to the homograft for RVOTR. Purpose- This study summarized the results to evaluate the single-center operation of RVOTR using BJVG and ePTFEG.
Methods
The valve functions of 27 patients under 20 years old who underwent primary RVOTR with BJVG and 26 patients with ePTFEG at our university hospital between 2013 and 2018 were retrospectively investigated. The valve conditions were assessed using echocardiography and cardiac catheterization.
Results
The median age at the time of operation was 1.8 years old (range, 6 days to 7.8 years old) with BJVG and 2.2 years old (range, 8 months to 9.1 years old) with ePTFEG. The median follow-up time was 3.4 years (range, 2 months to 5.2 years) with BJVG and 2.1 years (range, 1 month to 5.1 years) with ePTFEG. The peak RVOT gradient of BJVG was lower than ePTFEG (10.6±7.7 mmHg versus 18.1±16.2 mmHg, P=0.035). There were no differences in branch pulmonary stenosis defined as peak gradient up to 36mmHg (40.7% versus 50.0%, P=0.50) and pulmonary regurgitation graded worse than moderate (18.5% versus 11.5%, P=0.48) with BJVG and ePTFEG, respectively. Aneurysmal dilatation of the conduit was seen 22.2% with BJVG but none of patients with ePTFEG (P=0.01). All of patients with aneurysmal dilated BJVG had branch pulmonary stenosis. There were no differences in catheter intervention for branch pulmonary stenosis (22.2% versus 30.8%, P=0.48) and conduit replacement (11.1% versus 7.7%, log rank P=0.67) with BJVG and ePTFEG, respectively. There were no deaths during the fllow-up period in both groups.
Conclusions
The outcomes of RVOTR with BJVG and ePTFEG were clinically satisfactory. Aneurysmal dilatation was seen with BJVG and branch pulmonary stenosis was the risk factor for aneurysmal dilatation.
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Affiliation(s)
- K Hirai
- Okayama University, Pediatrics, Okayama, Japan
| | - K Baba
- Okayama University, Pediatrics, Okayama, Japan
| | - T Goto
- Okayama University Hospital, Cardiovascular Surgery, Okayama, Japan
| | - D Ousaka
- Okayama University Hospital, Cardiovascular Surgery, Okayama, Japan
| | - H Oh
- Okayama University Hospital, Regenerative Medicine, Center for Innovative Clinical Medicine, Okayama, Japan
| | - S Kasahara
- Okayama University Hospital, Cardiovascular Surgery, Okayama, Japan
| | - S Ohtsuki
- Okayama University, Pediatrics, Okayama, Japan
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Tanaka H, Tada T, Fuku Y, Goto T, Kadota K. P1964Impact of successful coronary intervention for chronic total occlusion on long-term clinical outcome of patients with impaired and preserved left ventricular ejection fraction. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.0711] [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: 11/12/2022] Open
Abstract
Abstract
Background
Successful recanalisation of percutaneous coronary intervention for chronic total occlusion lesions has been associated with improved survival.
Purpose
This study aimed to assess the impact of successful percutaneous coronary intervention for chronic total occlusion lesions on the long-term outcome of patients with impaired and preserved left ventricular ejection fraction (LVEF).
Methods
The study sample consisted of 842 consecutive patients (928 chronic total occlusion lesions) undergoing percutaneous coronary intervention at our institution between October 2005 and December 2009. We divided them into 3 groups by the degree of LVEF: less than 40% (severely reduced LVEF, n=140), 40% to 59% (moderately reduced LVEF, n=470), and 60% and above (normal LVEF, n=232). We evaluated mortality during the 10-year follow-up period the basis of procedural success and failure.
Results
The overall procedural success rate was 89.1%. Median follow-up duration was 7.9 years. The 10-year cumulative incidences of cardiac death in each degree of LVEF are shown in the Figure.
Conclusions
Successful recanalisation for chronic total occlusion lesions in patients with impaired LVEF may be associated with reduced cardiac mortality.
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Affiliation(s)
- H Tanaka
- Kurashiki Central Hospital, Kurashiki, Japan
| | - T Tada
- Kurashiki Central Hospital, Kurashiki, Japan
| | - Y Fuku
- Kurashiki Central Hospital, Kurashiki, Japan
| | - T Goto
- Kurashiki Central Hospital, Kurashiki, Japan
| | - K Kadota
- Kurashiki Central Hospital, Kurashiki, Japan
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40
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Shimada YJ, Goto T, Tsugawa Y, Yu EW, Yoshida K, Homma S, Brown DFM, Hasegawa K. Comparative effectiveness of gastric bypass versus gastric banding on acute care use for cardiovascular disease in adults with obesity. Nutr Metab Cardiovasc Dis 2019; 29:518-526. [PMID: 30935764 PMCID: PMC7058111 DOI: 10.1016/j.numecd.2019.02.001] [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] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 01/24/2019] [Accepted: 02/04/2019] [Indexed: 11/23/2022]
Abstract
BACKGROUND AND AIMS Gastric bypass is known to have larger effects on weight and metabolism than gastric banding. However, scarce data exist as to whether the differences are translated into differential risks of cardiovascular disease (CVD)-related morbidities. The objective was to examine whether adults with obesity and CVD who underwent gastric bypass have a lower rate of acute care use (emergency department [ED] visit or unplanned hospitalization) for CVD than those with gastric banding. METHODS AND RESULTS We performed a comparative effectiveness study of gastric bypass versus banding among adults with obesity and CVD who underwent either surgery, using population-based [ED] and inpatient samples in California, Florida, and Nebraska from 2005 through 2011. The primary outcome was acute care use for CVD during a two-year postoperative period. We constructed negative binomial regression models to compare the event rate during sequential 6-month periods, using gastric banding group as the reference. We identified 11,229 adults with obesity and CVD who underwent gastric bypass and 3896 adults who had gastric banding. Patients with gastric bypass had significantly lower rate of the outcome compared to those with banding in the 7-12 months postoperative period (adjusted rate ratio [aRR] 0.77; 95% confidence interval [CI], 0.61-0.98; P = 0.03). The significant reduction in the rate persisted during 13-18 months (aRR 0.71; 95% CI, 0.57-0.90; P = 0.005) and 19-24 months (aRR 0.66; 95% CI, 0.52-0.82; P < 0.001) after bariatric surgery. CONCLUSION In this population-based comparative effectiveness study of adults with obesity and CVD, the rate of acute care use for CVD was lower after gastric bypass compared to gastric banding.
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Affiliation(s)
- Y J Shimada
- Division of Cardiology, Department of Medicine, Columbia University Medical Center, 622 West 168th Street, PH 3-342, 10032 New York, USA.
| | - T Goto
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, 125 Nashua Street, Suite 920, Boston, MA, USA; Graduate School of Medical Sciences, University of Fukui, 23-3 Shimoaizuki, Matsuoka, Eiheiji, Yoshida, Fukui, Japan
| | - Y Tsugawa
- Division of General Medicine and Health Services Research, David Geffen School of Medicine, University of California Los Angeles, 10833 Le Conte Ave, Los Angeles, CA, USA
| | - E W Yu
- Endocrine Unit, Massachusetts General Hospital, Harvard Medical School, 50 Blossom Street, Their 1051, Boston, MA, USA
| | - K Yoshida
- Department of Epidemiology and Biostatistics, Harvard T. H. Chan School of Public Health, 677 Huntington Ave, Boston, MA, USA
| | - S Homma
- Division of Cardiology, Department of Medicine, Columbia University Medical Center, 622 West 168th Street, PH 3-342, 10032 New York, USA
| | - D F M Brown
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, 125 Nashua Street, Suite 920, Boston, MA, USA
| | - K Hasegawa
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, 125 Nashua Street, Suite 920, Boston, MA, USA
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Kawada K, Kobayashi T, Watanabe T, Inamoto S, Goto T, Mizuno R, Sakai Y. Combined laparoscopic and cystoscopic surgery for colovesical fistula due to colonic diverticulitis. Tech Coloproctol 2019; 23:503-504. [PMID: 30989417 DOI: 10.1007/s10151-019-01981-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 04/01/2019] [Indexed: 10/27/2022]
Affiliation(s)
- K Kawada
- Department of Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin-Kawara-cho, Sakyo-ku, Kyoto, 606-8507, Japan.
| | - T Kobayashi
- Department of Urology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - T Watanabe
- Department of Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin-Kawara-cho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - S Inamoto
- Department of Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin-Kawara-cho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - T Goto
- Department of Urology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - R Mizuno
- Department of Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin-Kawara-cho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Y Sakai
- Department of Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin-Kawara-cho, Sakyo-ku, Kyoto, 606-8507, Japan
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Sato M, Goto T, Inoue E, Miyaguchi Y, Toyoda A. Dietary Intake of Immature Citrus tumida Hort. ex Tanaka Peels Suppressed Body Weight Gain and Fat Accumulation in a Mouse Model of Acute Obesity. J Nutr Sci Vitaminol (Tokyo) 2019; 65:19-23. [PMID: 30814407 DOI: 10.3177/jnsv.65.19] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Citrus fruits have several potential benefits for maintaining our health. In this study, we investigated the anti-obesity effects of immature Citrus tumida hort. ex Tanaka (C. tumida) peels using an acute obesity mice model. C57BL/6J male mice were divided into 2 groups; HFD-LL subjected to a high fat diet (HFD) and constant light exposure (LL), and HFDC-LL subjected to a HFD containing immature peel powder of C. tumida (5% w/w) and LL. Dietary ingestion of immature C. tumida peels significantly suppressed body weight gain following decreased epidydimal, perirenal, and subcutaneous fat weights. Blood levels of triglyceride and total cholesterol in the HFDC-LL were significantly lower than those in the HFD-LL group; however, there was no significant difference in food or calorie intake between the 2 groups. These results suggested that immature C. tumida peels have a beneficial effect on the prevention of obesity and metabolic syndrome via its biochemical activities of lipid metabolism.
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Affiliation(s)
- Mizuho Sato
- College of Agriculture, Ibaraki University.,United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology
| | - Tatsuhiko Goto
- College of Agriculture, Ibaraki University.,Ibaraki University Cooperation between Agriculture and Medical Science (IUCAM)
| | - Eiichi Inoue
- College of Agriculture, Ibaraki University.,United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology.,Ibaraki University Cooperation between Agriculture and Medical Science (IUCAM)
| | - Yuji Miyaguchi
- College of Agriculture, Ibaraki University.,United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology.,Ibaraki University Cooperation between Agriculture and Medical Science (IUCAM)
| | - Atsushi Toyoda
- College of Agriculture, Ibaraki University.,United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology.,Ibaraki University Cooperation between Agriculture and Medical Science (IUCAM)
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Honda M, Goto T, Sakanaka Y, Yaita T, Suzuki S. Electrochemical Cs removal and crystal formation from Fukushima weathered biotite in molten NaCl-CaCl<sub>2</sub>. AIMS Electronics and Electrical Engineering 2019. [DOI: 10.3934/electreng.2019.2.102] [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: 11/18/2022] Open
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Goto T, Kakita H, Takasu M, Takeshita S, Ueda H, Muto D, Kondo T, Kurahashi H, Okumura A, Yamada Y. A rare case of fetal extensive intracranial hemorrhage and whole-cerebral hypoplasia due to latent maternal vitamin K deficiency. J Neonatal Perinatal Med 2018; 11:191-194. [PMID: 29843264 DOI: 10.3233/npm-181745] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
We present here a late preterm infant with extensive brain lesions resulting from vitamin K deficiency. A female infant was born after 35 weeks of gestation by emergent cesarean section because of non-reassuring fetal status. Her mother had severe eating disorder and recurrent vomiting since early pregnancy. She was immediately intubated and ventilated because she was extremely pale, hypotonic, and non-reactive. Cerebral magnetic resonance imaging immediately after birth showed intraparenchymal hemorrhage in the left frontal lobe and cerebellum, marked cerebral edema, and cerebellar hypoplasia. Coagulation studies of the infant showed hepaplastin test <5%, prolonged PT and APTT, and a marked elevation of protein induced by vitamin K absence or antagonist-II. This case highlighted a potential risk of intracranial bleeding due to maternal vitamin K deficiency and difficulty in its prediction before delivery. Vitamin K supplementation to high risk mothers might be indispensable for preventing severe fetal vitamin K deficiency. Even when coagulation studies in mothers is normal, it is imperative to provide vitamin K supplementation for total protection.
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Affiliation(s)
- T Goto
- Department of Perinatal and Neonatal Medicine, Aichi Medical University Sciences, Karimata, Nagakute, Aichi, Japan
| | - H Kakita
- Department of Perinatal and Neonatal Medicine, Aichi Medical University Sciences, Karimata, Nagakute, Aichi, Japan
| | - M Takasu
- Department of Pediatrics, Aichi Medical University Sciences, Karimata, Nagakute, Aichi, Japan
| | - S Takeshita
- Department of Perinatal and Neonatal Medicine, Aichi Medical University Sciences, Karimata, Nagakute, Aichi, Japan
| | - H Ueda
- Department of Perinatal and Neonatal Medicine, Aichi Medical University Sciences, Karimata, Nagakute, Aichi, Japan
| | - D Muto
- Department of Perinatal and Neonatal Medicine, Aichi Medical University Sciences, Karimata, Nagakute, Aichi, Japan
| | - T Kondo
- Department of Perinatal and Neonatal Medicine, Aichi Medical University Sciences, Karimata, Nagakute, Aichi, Japan
| | - H Kurahashi
- Department of Pediatrics, Aichi Medical University Sciences, Karimata, Nagakute, Aichi, Japan
| | - A Okumura
- Department of Pediatrics, Aichi Medical University Sciences, Karimata, Nagakute, Aichi, Japan
| | - Y Yamada
- Department of Perinatal and Neonatal Medicine, Aichi Medical University Sciences, Karimata, Nagakute, Aichi, Japan
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Fujii K, Nomura K, Muramatsu Y, Obara S, Goto T, Akahane K, Ota H, Tsukagoshi S, Kusumoto M. VALIDATION OF MONTE CARLO DOSE CALCULATION FOR PAEDIATRIC CT EXAMINATIONS USING TUBE CURRENT MODULATION BASED ON IN-PHANTOM DOSIMETRY. Radiat Prot Dosimetry 2018; 182:508-517. [PMID: 30032259 DOI: 10.1093/rpd/ncy109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2018] [Accepted: 06/20/2018] [Indexed: 06/08/2023]
Abstract
The aim of this study is to estimate tube current modulation (TCM) profiles in paediatric computed tomography (CT) examinations with a TCM scheme (Volume-EC) and evaluate the estimation accuracy of TCM profiles. Another aim is to validate organ doses calculated using Monte Carlo-based CT dosimetry software and estimated TCM profiles by comparing them with those measured using 5-year-old and 10-year-old anthropomorphic phantoms and radio-photoluminescence glass dosemeters. Dose calculations were performed by inputting detailed descriptions of a CT scanner, scan parameters and CT images of the phantoms into the software. Organ doses were evaluated from the calculated dose distribution images. Average relative differences (RDs) between the estimated and actual TCM profiles ranged from -3.6 to 5.6%. RDs between the calculated and measured organ doses ranged from -4.2 to 13.0% and -18.1 to 4.9% for 5-year-old and 10-year-old phantoms, respectively. These results validate dose calculations for paediatric CT scans using TCM.
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Affiliation(s)
- K Fujii
- Department of Radiological Sciences, Nagoya University Graduate School of Medicine, 1-1-20, Daikominami, Higashi-ku, Nagoya, Japan
- Department of Radiological Technology, National Cancer Center Hospital East, 6-5-1 Kashiwanoha, Kashiwa, Japan
- Department of Radiation Measurement and Dose Assessment, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba, Japan
| | - K Nomura
- Department of Radiological Technology, National Cancer Center Hospital East, 6-5-1 Kashiwanoha, Kashiwa, Japan
| | - Y Muramatsu
- Department of Radiological Technology, National Cancer Center Hospital East, 6-5-1 Kashiwanoha, Kashiwa, Japan
| | - S Obara
- Department of Radiation Measurement and Dose Assessment, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba, Japan
| | - T Goto
- Canon Medical Systems Corporation, 1385 Shimoishigami, Otawara, Tochigi, Japan
| | - K Akahane
- Department of Radiation Measurement and Dose Assessment, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba, Japan
| | - H Ota
- Department of Radiological Technology, National Cancer Center Hospital East, 6-5-1 Kashiwanoha, Kashiwa, Japan
| | - S Tsukagoshi
- Canon Medical Systems Corporation, 1385 Shimoishigami, Otawara, Tochigi, Japan
| | - M Kusumoto
- Department of Diagnostic Radiology, National Cancer Center Hospital East, 6-5-1 Kashiwanoha, Kashiwa, Japan
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Nakamura A, Shimizu Y, Goto T, Sato S, Koike T, Tsuchida M. P3.16-33 Characteristics and Risk Factors of Recurrence After Segmentectomy in Patients With Clinical Stage I Non-Small Cell Lung Cancer. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1940] [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: 10/28/2022]
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47
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Kunitani Y, Goto T, Funakoshi H, Okamoto H, Hagiwara Y, Watase H, Hasegawa K. 97 The Association Between Multiple Intubation Attempts and Adverse Events in Pediatric Intubations in the Emergency Department. Ann Emerg Med 2018. [DOI: 10.1016/j.annemergmed.2018.08.102] [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: 10/28/2022]
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48
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Yukata K, Goto T, Sakai T, Fujii H, Hamawaki J, Yasui N. Ultrasound-guided coracohumeral ligament release. Orthop Traumatol Surg Res 2018; 104:823-827. [PMID: 29567320 DOI: 10.1016/j.otsr.2018.01.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2017] [Revised: 11/13/2017] [Accepted: 01/17/2018] [Indexed: 02/02/2023]
Abstract
Long-term follow-up of patients with adhesive capsulitis (AC) reveals that approximately half of them suffer from a limited range of shoulder motion, particularly external and/or internal rotation. We report the surgical technique and short-term clinical outcomes of ultrasound-guided release of the thickened coracohumeral (CH) ligament in 8 patients (9 shoulders) with AC. Passive external rotation with the arm by the side significantly increased from an average of 18° preoperatively to 47° immediately after CH ligament release. VAS and ASES scores were improved at 3months follow-up in all 9 shoulders, and maintained at 6months follow-up in 6 shoulders. No procedure-related adverse events developed over the 6-month follow-up period. Ultrasound-guided release for thickened CH ligament is a reliable and effective minimally invasive surgery for persistent limited external rotation due to AC of the shoulder.
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Affiliation(s)
- K Yukata
- Department of Orthopedics, Tokushima University Hospital, 3-18-15 Kuramoto, 770-8503 Tokushima, Japan; Department of Orthopedic Surgery, Hamawaki Orthopaedic Hospital, 4-6-6 Otemachi Naka-ku, 730-0051 Hiroshima, Japan; Department of Orthopedic Surgery, Ogori Daiichi General Hospital, 862-3 Ogori-Shimogo, 754-0002 Yamaguchi, Japan.
| | - T Goto
- Department of Orthopedics, Tokushima University Hospital, 3-18-15 Kuramoto, 770-8503 Tokushima, Japan.
| | - T Sakai
- Department of Orthopedics, Tokushima University Hospital, 3-18-15 Kuramoto, 770-8503 Tokushima, Japan.
| | - H Fujii
- Department of Orthopedic Surgery, Ogori Daiichi General Hospital, 862-3 Ogori-Shimogo, 754-0002 Yamaguchi, Japan.
| | - J Hamawaki
- Department of Orthopedic Surgery, Hamawaki Orthopaedic Hospital, 4-6-6 Otemachi Naka-ku, 730-0051 Hiroshima, Japan.
| | - N Yasui
- Department of Orthopedics, Tokushima University Hospital, 3-18-15 Kuramoto, 770-8503 Tokushima, Japan.
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Sakai D, Kanai M, Kobayashi S, Eguchi H, Baba H, Seo S, Taketomi A, Takayama T, Yamaue H, Ishioka C, Sho M, Takeyama Y, Fujimoto J, Toyoda M, Shimizu J, Goto T, Yoshimura K, Hatano E, Nagano H, Ioka T. Randomized phase III study of gemcitabine, cisplatin plus S-1 (GCS) versus gemcitabine, cisplatin (GC) for advanced biliary tract cancer (KHBO1401-MITSUBA). Ann Oncol 2018. [DOI: 10.1093/annonc/mdy282] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
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50
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Goto T, Nakamura M, Shimizu Y, Sato S, Koike T, Tsuchida M. P3.01-31 Prognostic Factors in Patients with Resected Pathological N2 Non-Small Cell Lung Cancer. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1591] [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: 11/16/2022]
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