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Nakaso K, Adachi Y, Fusayasu E, Doi K, Imamura K, Yasui K, Nakashima K. Leber's Hereditary Optic Neuropathy with Olivocerebellar Degeneration due to G11778A and T3394C Mutations in the Mitochondrial DNA. J Clin Neurol 2012; 8:230-4. [PMID: 23091534 PMCID: PMC3469805 DOI: 10.3988/jcn.2012.8.3.230] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2011] [Revised: 10/21/2011] [Accepted: 10/21/2011] [Indexed: 11/30/2022] Open
Abstract
Background Leber's hereditary optic neuropathy (LHON) is a mitochondrial disorder with optic nerve atrophy. Although there are no other associated neurological abnormalities in most cases of LHON, cases of "LHON plus" have been reported. Case Report The proband was a 37-year-old man who had visual and gait disturbances that had first appeared at 10 years of age. He showed horizontal gaze palsy, gaze-evoked nystagmus, dysarthria, and cerebellar ataxia. Brain and orbit MRI disclosed atrophy of the optic nerve and cerebellum, and degenerative changes in the bilateral inferior olivary nucleus. Mutational analyses of mitochondrial DNA identified the coexistence of heteroplasmic G11778A and homoplasmic T3394C mutations. Conclusions These results suggest that the combination of G11778A and T3394C mutations leads to an atypical LHON phenotype.
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152
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Kowa H, Nakashima K. [Clinical course and natural history in migraine]. Rinsho Shinkeigaku 2012; 51:1147-9. [PMID: 22277514 DOI: 10.5692/clinicalneurol.51.1147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Migraine is one of the common diseases, suffering 8.4 million patients in Japan. Recently conditions associated with chronic migraine were considered to be worse than episodic migraine in socio-economic status, health-related quality of life, and headache-related burden. Preventing the chronification, and improving treatment and management, the natural disease course could give us some clues. Several reports suggested that a population prevalence of chronic migraine is about 2% and approximately 2.5% of patients with episodic migraine develop new-onset chronic migraine each year. The risk factors for converting episodic to chronic migraine were demonstrated as follows: age, low education/socioeconomic status, head injury, attack frequency, obesity, medication overuse, stressful life events, caffeine overuse, snoring, other pain syndromes, allodynia, proinflammatory states, prothrombotic states, and specific genes. It was also focused in comobidity with chronic migraine, such as depression, anxiety, chronic pain, asthma, bronchitis, hypertension, and so on. The ratio converting in reverse was reported as a fourth in two years. We should recognize the burden of migraine patients, and improve patients' outcome under reducing risk factors and assessing the effect of treatment on headache progression.
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153
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Nomura T, Inoue Y, Nakashima K. 42. Course of REM sleep behavior disorder in multiple system atrophy and Parkinson disease. Clin Neurophysiol 2012. [DOI: 10.1016/j.clinph.2012.02.043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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154
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Komada Y, Nomura T, Kusumi M, Nakashima K, Okajima I, Sasai T, Inoue Y. A two-year follow-up study on the symptoms of sleep disturbances/insomnia and their effects on daytime functioning. Sleep Med 2012; 13:1115-21. [PMID: 22841031 DOI: 10.1016/j.sleep.2012.05.015] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2011] [Revised: 05/22/2012] [Accepted: 05/23/2012] [Indexed: 10/28/2022]
Abstract
OBJECTIVE This study attempts to identify changes in the symptoms of sleep disturbances/insomnia over a two-year course and their effects on daytime functioning. METHODS We administered two population-based epidemiological surveys in 2005 and 2007 to participants from rural Japan. RESULTS In the first survey, 30.7% of the subjects reported sleep disturbances/insomnia. Among them, 60.9% reported sleep problems at the two-year follow-up. A comparison of sleep disturbances/insomnia, and subjective daytime functioning measures between the new incident cases and persistent poor sleepers revealed that the total score of persistent poor sleepers was significantly lower than that of new incident cases on the Pittsburgh Sleep Quality Index and physical quality of life (QoL) but not mental QoL. Longitudinal comparisons of the symptoms of sleep disturbances/insomnia in persistent poor sleepers revealed that sleep efficiency was significantly worse at follow-up. Exacerbation of the symptoms of sleep disturbances/insomnia at follow-up was observed in mild but not severe cases. CONCLUSIONS Sleep efficiency progressively worsens over time, and physical QoL can deteriorate as sleep disturbances/insomnia become chronic. Since the symptoms of sleep disturbances/insomnia and their daytime effects are exacerbated even in mild cases, early intervention and treatment are necessary.
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155
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Yokoe Y, Nishikawa M, Miura H, Hong Y, Kubokawa N, Shibasaki M, Takamichi K, Kitamura S, Endo H, Nakashima K. Advance care planning needs, which is expected to end of life care teams in Japan. BMJ Support Palliat Care 2012. [DOI: 10.1136/bmjspcare-2012-000250.119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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156
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Miura H, Nishikawa M, Hong YJ, Nakashima K. Challenge of introducing advance care planning policy into Japan. BMJ Support Palliat Care 2012. [DOI: 10.1136/bmjspcare-2012-000250.121] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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157
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Asai N, Ohkuni Y, Matsunuma R, Nakashima K, Nakashita T, Otsuka Y, Kaneko N, Motojima S, Aoshima M. The predictive rule for the management of hospital-acquired pneumonia in adults by the Japanese Respiratory Society, I-ROAD, could correctly estimate the severity of Pneumcystis Pneumonia without human immunodeficiency virus infection. Int J Infect Dis 2012. [DOI: 10.1016/j.ijid.2012.05.358] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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158
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Nishikawa M, Yokoe Y, Miura H, Hong Y, Yoshida Y, Shibasaki M, Takamichi K, Okumura N, Endo H, Nakashima K. Advance care planning supported by clinicians trained for end-of-life care in Japanese nursing homes. BMJ Support Palliat Care 2012. [DOI: 10.1136/bmjspcare-2012-000250.118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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159
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Ikejima C, Hisanaga A, Meguro K, Yamada T, Ouma S, Kawamuro Y, Hyouki K, Nakashima K, Wada K, Yamada S, Watanabe I, Kakuma T, Aoyama Y, Mizukami K, Asada T. Multicentre population-based dementia prevalence survey in Japan: a preliminary report. Psychogeriatrics 2012; 12:120-3. [PMID: 22712646 DOI: 10.1111/j.1479-8301.2012.00415.x] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Community-based surveys were performed in seven rural areas in Japan to investigate the prevalence of dementia and illnesses causing dementia. A total of 5431 elderly subjects were selected based on census data from 1 October 2009. In total, 3394 participants were examined (participation rate: 62.5%), and 768 dementia cases and 529 mild cognitive impairment cases were identified. Of the illnesses causing dementia, Alzheimer's disease was the most frequent (67.4%), followed by vascular dementia (18.9%), dementia with Lewy body disease (4.6%), mixed dementia (4.2%) and other illnesses. The prevalence of dementia according to 5-year age strata between 65 and 99 years was 5.8-77.7% among the participants. The prevalence of dementia in this study was higher than in previous reports in Japan and other countries. To verify the upward trend of dementia prevalence and its background factors, we have scheduled surveys for three other urban areas in 2011-2012.
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ThanThan S, Saito T, Yannaing S, Zhao H, Nakashima K, Kuwayama H. Glucagon-like peptide-1 inhibits insulinotropic effects of oxyntomodulin and glucagon in cattle. Domest Anim Endocrinol 2012; 42:155-64. [PMID: 22154917 DOI: 10.1016/j.domaniend.2011.11.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2011] [Revised: 11/08/2011] [Accepted: 11/09/2011] [Indexed: 01/08/2023]
Abstract
Oxyntomodulin (OXM), glucagon, and glucagon-like peptide-1 (GLP-1), peptide hormones derived from the glucagon gene, play an important role in glucose homeostasis. The insulinotropic action of these three homologous peptides has been well documented in monogastric animals. However, information on the relationships among these peptides in insulin-releasing action, specifically in ruminants, is still insufficient. In this regard, we carried out two experiments in cattle. In experiment 1, effects of glucagon and GLP-1 on plasma insulin and glucose were investigated in 10-mo-old Holstein steers (347 ± 8 kg, n = 8) under normoglycemic conditions. Peptides were administered intravenously at dose rates of 0.12, 0.25, 0.50, and 1.25 nmol/kg body weight (BW). In experiment 2, the relationships among OXM, glucagon, and GLP-1 in the insulinotropic and glucoregulatory actions were elucidated in 3-mo-old Holstein steers (94 ± 2 kg, n = 8) using agonist-antagonist strategy. In agonist strategy, these three peptides were administered alone or coadministered at dose rates of 10 μg of OXM/kg BW, 4 μg of glucagon/kg BW, and 2 μg of GLP-1/kg BW. In antagonist strategy, 2 μg of each peptide was administered alone or in combination with 10 μg of [des His1, des Phe6, Glu9] glucagon amide (a glucagon receptor antagonist) or exendin-4 (5-39) amide (a GLP-1 receptor antagonist). Our results showed that OXM, glucagon, and GLP-1 had insulinotropic actions in ruminants under normoglycemic conditions. Our results also showed that the insulin-releasing effects of OXM and glucagon were mediated through both GLP-1 receptors (GLP-1R) and glucagon receptors. These insulinotropic effects of OXM and glucagon through GLP-1R were inhibited by GLP-1. Our findings expand the relationships among OXM, glucagon, and GLP-1 in the insulinotropic and glucoregulatory actions.
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161
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Okajima I, Komada Y, Nomura T, Nakashima K, Inoue Y. Insomnia as a risk for depression: a longitudinal epidemiologic study on a Japanese rural cohort. J Clin Psychiatry 2012; 73:377-83. [PMID: 22053828 DOI: 10.4088/jcp.10m06286] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2010] [Accepted: 12/09/2010] [Indexed: 10/17/2022]
Abstract
OBJECTIVES To determine (1) whether insomnia is a factor related to the presence or persistence of depression for 2 years in the Japanese population and (2) which component of insomnia is associated with the presence of depression for 2 years in a rural cohort. METHOD This is a community-based longitudinal study. Two thousand eight hundred twenty-five people aged 20 years or older were evaluated at baseline, and of those participants, 1,577 (56%) were reevaluated after 2 years. During both surveys, the participants were asked to describe demographic variables and to fill out self-rating scales of insomnia (Pittsburgh Sleep Quality Index [PSQI]) and depressive symptoms (Center for Epidemiologic Studies Depression Scale). RESULTS The results of a multiple logistic regression analysis showed that depression (OR = 6.0; 95% CI, 4.4-8.0) and insomnia (OR = 2.1; 95% CI, 1.5-2.8) at baseline were significantly associated with the presence of depression at the follow-up. Most of the PSQI subscales, except for sleep duration and habitual sleep efficiency, were significantly associated (P < .01) with the presence of depression at the follow-up. In addition, the new appearance and repeated existence of depression at the follow-up were related to persistent insomnia (adjusted ORs = 7.0 and 3.3 [P < .001], respectively). A result of the receiver operating characteristic curve showed that persons with insomnia whose PSQI scores exceeded 8 points at the baseline were most likely to still have insomnia at the follow-up (cutoff point = 7.5). CONCLUSIONS On the basis of our results in a Japanese population, insomnia with high severity level could be a risk factor for the presence/persistence of depression in the long-term prognosis.
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162
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Nakashima K, Takeuchi K, Chihara K, Hotta H, Sada K. Inhibition of hepatitis C virus replication through adenosine monophosphate-activated protein kinase-dependent and -independent pathways. Microbiol Immunol 2012; 55:774-82. [PMID: 21895746 DOI: 10.1111/j.1348-0421.2011.00382.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Persistent infection with hepatitis C virus (HCV) is closely correlated with type 2 diabetes. In this study, replication of HCV at different glucose concentrations was investigated by using J6/JFH1-derived cell-adapted HCV in Huh-7.5 cells and the mechanism of regulation of HCV replication by AMP-activated protein kinase (AMPK) as an energy sensor of the cell analyzed. Reducing the glucose concentration in the cell culture medium from 4.5 to 1.0 g/L resulted in suppression of HCV replication, along with activation of AMPK. Whereas treatment of cells with AMPK activator 5-aminoimidazole-4-carboxamide 1-β-D-ribofuranoside (AICAR) suppressed HCV replication, compound C, a specific AMPK inhibitor, prevented AICAR's effect, suggesting that AICAR suppresses the replication of HCV by activating AMPK in Huh-7.5 cells. In contrast, compound C induced further suppression of HCV replication when the cells were cultured in low glucose concentrations or with metformin. These results suggest that low glucose concentrations and metformin have anti-HCV effects independently of AMPK activation.
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163
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Hamada A, Akiyoshi R, Ishii J, Hamada N, Miyazaki C, Hamada T, Ohwaki Y, Ikeda R, Wada M, Nakashima K. Influence of calcium channel blockers in patients with gastrointestinal disease in Japanese community pharmacies. J Clin Pharm Ther 2012; 37:74-7. [DOI: 10.1111/j.1365-2710.2011.01253.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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164
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Abe N, Yoshioka E, Koizumi K, Nakashima K, Fujii H, Murafuji T, Gunji T. Synthesis and Complexation of Bis(1-azaazulen-2-yl)amines and Bis(1-azaazulen-2-yl) Sulfides. HETEROCYCLES 2012. [DOI: 10.3987/com-12-12507] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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165
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Wada-Isoe K, Uemura Y, Nakashita S, Yamawaki M, Tanaka K, Yamamoto M, Shimokata H, Nakashima K. Prevalence of Dementia and Mild Cognitive Impairment in the Rural Island Town of Ama-cho, Japan. Dement Geriatr Cogn Dis Extra 2012; 2:190-9. [PMID: 22719745 PMCID: PMC3379729 DOI: 10.1159/000338244] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
AIMS In order to determine the prevalence of dementia and mild cognitive impairment (MCI), we conducted a population-based study in Japan. METHODS Participants included 924 subjects aged 65 years or older who resided in the town of Ama-cho. In phase 1 of the study, the Mini-Mental State Examination and Clinical Dementia Rating were administered for screening purposes. In phase 2 of the study, the subjects who screened positive were further examined by neurologists. Dementia and MCI were diagnosed by means of DSM-IV and International Working Group on MCI criteria, respectively. RESULTS By the prevalence date of June 1, 2010, 24 subjects had deceased or lived outside the town. In total, 723 of the remaining 900 subjects received a phase 1 test. In phase 2, 98 subjects were diagnosed with amnestic MCI, 113 subjects with non-amnestic MCI, and 82 subjects with dementia. Of the subjects who did not receive the phase 1 test, 66 subjects were diagnosed as having dementia according to data from their town medical card or the Long-term Care Insurance System. The crude prevalence of amnestic MCI, non-amnestic MCI, and dementia were 10.9, 12.6, and 16.4%, respectively. CONCLUSION Consistent with the striking increase in the number of elderly individuals, we report higher prevalence of MCI and dementia in Japan than previously described.
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166
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Wada-Isoe K, Ito S, Adachi T, Yamawaki M, Nakashita S, Kusumi M, Hiroe Y, Takada T, Watanabe K, Hikasa C, Nakashima K. Epidemiological survey of frontotemporal lobar degeneration in tottori prefecture, Japan. Dement Geriatr Cogn Dis Extra 2012; 2:381-6. [PMID: 23300493 PMCID: PMC3529564 DOI: 10.1159/000342972] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND The prevalence of frontotemporal lobar degeneration (FTLD) in Japan is unknown. An epidemiological survey study of FTLD was undertaken in Tottori Prefecture, a district in the western region of Japan. METHODS Hospitals in Tottori Prefecture were surveyed by a two-step questionnaire in 2010, and the prevalence of FTLD per 100,000 inhabitants was calculated using the actual number of patients and inhabitants in Tottori Prefecture on the prevalence day of October 1, 2010. RESULTS In this survey, 66 patients were diagnosed with FTLD. The subtypes of FTLD were as follows: 62 cases of frontotemporal dementia (FTD), 3 cases of progressive nonfluent aphasia, and 1 case of semantic dementia. Among the FTD cases, 5 cases were FTD with motor neuron disease and 1 case was FTD with parkinsonism linked to chromosome 17. The prevalence of FTD in the total population of Tottori Prefecture was 11.2 per 100,000 inhabitants. Based on these results, the prevalence of FTLD in Japan in 2008 was estimated to be 9.5 per 100,000 individuals. CONCLUSIONS Our epidemiological survey results suggest that there are at least 12,000 FTLD patients in Japan, indicating that FTLD is not a rare disease.
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Nakashima K, Wada K. [Accredited specialty board for dementia]. NIHON RINSHO. JAPANESE JOURNAL OF CLINICAL MEDICINE 2011; 69 Suppl 10 Pt 2:565-568. [PMID: 22755255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
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168
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Wada K, Nakashima K. [Guidelines for dementia, 2010]. NIHON RINSHO. JAPANESE JOURNAL OF CLINICAL MEDICINE 2011; 69 Suppl 10 Pt 2:576-581. [PMID: 22755258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
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169
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Chihara K, Nakashima K, Takeuchi K, Sada K. Association of 3BP2 with SHP-1 regulates SHP-1-mediated production of TNF-α in RBL-2H3 cells. Genes Cells 2011; 16:1133-45. [DOI: 10.1111/j.1365-2443.2011.01557.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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170
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Nakashima K, Narukawa M, Takeuchi M. Approaches to Japanese dose evaluation in global drug development: factors that generate different dosages between Japan and the United States. Clin Pharmacol Ther 2011; 90:836-43. [PMID: 22048222 DOI: 10.1038/clpt.2011.156] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Drug development in Japan is shifting from a bridging strategy to a global strategy, and the number of multiregional trials in which Japan is included is increasing every year. The Japanese drug regulatory authority requires that data be collected in Japanese populations, and therefore dose-response studies of various drugs are frequently conducted in Japan. However, the current standard for adequate dose-finding processes may sometimes hinder the timely participation of Japan in these multiregional trials. We studied the development approaches and review patterns of 99 new molecular entities (NMEs) approved in 2003-2008 and have identified some common factors that result in differences in approved dosages in Japan as compared with other countries, such as dose-response study design, pharmacokinetics, and the timing of development. The findings of our research will serve as an initial information base on which to build an efficient global drug development strategy in Japan.
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171
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Aritake-Okada S, Nakao T, Komada Y, Asaoka S, Sakuta K, Esaki S, Nomura T, Nakashima K, Matsuura M, Inoue Y. Prevalence and clinical characteristics of restless legs syndrome in chronic kidney disease patients. Sleep Med 2011; 12:1031-3. [PMID: 22036105 DOI: 10.1016/j.sleep.2011.06.014] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2011] [Revised: 04/27/2011] [Accepted: 06/04/2011] [Indexed: 10/15/2022]
Abstract
OBJECTIVE To clarify the prevalence of restless legs syndrome (RLS) in the chronic kidney disease (CKD) population and determine the relationship between severity of renal dysfunction and risk of RLS as well as the impact of the disorder on mood and sleep disturbance, we conducted a questionnaire survey followed by face-to-face interviews with Japanese CKD patients. METHODS We sent a questionnaire battery including demographics items, the National Institutes of Health/International RLS Study Group (IRLSSG) consensus questionnaire, the Center for Epidemiological Studies Depression Scale, and the Pittsburgh Sleep Quality Index to eligible CKD patients (n=514) and age- and sex-matched controls (n=535). Structured interviews were performed for the diagnosis of RLS. RESULTS The prevalence of positive RLS in the CKD subjects was significantly higher than that in the controls (3.5% vs. 1.5%, p=0.029). The proportion of renal failure (RF) in CKD subjects with RLS was significantly higher than in those without RLS, and multiple logistic regression analysis revealed that the presence of RLS symptoms was associated only with the existence of RF. In addition, the presence of both RLS and CKD was significantly associated with the presence of depression and sleep disturbance. CONCLUSIONS The risk of RLS in the CKD population was higher than that in the general population and increased with the progression of renal dysfunction. Additionally, the existence of RLS might play a role in an increased risk for developing depression and sleep disturbance in the CKD population.
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Polizel AM, Medri ME, Nakashima K, Yamanaka N, Farias JRB, de Oliveira MCN, Marin SRR, Abdelnoor RV, Marcelino-Guimarães FC, Fuganti R, Rodrigues FA, Stolf-Moreira R, Beneventi MA, Rolla AAP, Neumaier N, Yamaguchi-Shinozaki K, Carvalho JFC, Nepomuceno AL. Molecular, anatomical and physiological properties of a genetically modified soybean line transformed with rd29A:AtDREB1A for the improvement of drought tolerance. GENETICS AND MOLECULAR RESEARCH 2011; 10:3641-56. [PMID: 22033903 DOI: 10.4238/2011.october.21.4] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
We evaluated the molecular, anatomical and physiological properties of a soybean line transformed to improve drought tolerance with an rd29A:AtDREB1A construct. This construct expressed dehydration- responsive element binding protein DREB1A from the stress-inducible rd29A promoter. The greenhouse growth test included four randomized blocks of soybean plants, with each treatment performed in triplicate. Seeds from the non-transformed soybean cultivar BR16 and from the genetically modified soybean P58 line (T(2) generation) were grown at 15% gravimetric humidity for 31 days. To induce water deficit, the humidity was reduced to 5% gravimetric humidity (moderate stress) for 29 days and then to 2.5% gravimetric humidity (severe stress). AtDREB1A gene expression was higher in the genetically modified P58 plants during water deficit, demonstrating transgene stability in T(2) generations and induction of the rd29A promoter. Drought-response genes, including GmPI-PLC, GmSTP, GmGRP, and GmLEA14, were highly expressed in plants submitted to severe stress. Genetically modified plants had higher stomatal conductance and consequently higher photosynthetic and transpiration rates. In addition, they had more chlorophyll. Overexpression of AtDREB1A may contribute to a decrease in leaf thickness; however, a thicker abaxial epidermis was observed. Overexpression of AtDREB1A in soybean appears to enhance drought tolerance.
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Kagimura T, Nomura T, Kusumi M, Nakashima K, Inoue Y. Prospective survey on the natural course of restless legs syndrome over two years in a closed cohort. Sleep Med 2011; 12:821-6. [DOI: 10.1016/j.sleep.2011.04.012] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2010] [Revised: 03/12/2011] [Accepted: 04/20/2011] [Indexed: 11/30/2022]
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Wada K, Yamawaki M, Nakashima K. [The Daisen study and the Ama study]. NIHON RINSHO. JAPANESE JOURNAL OF CLINICAL MEDICINE 2011; 69 Suppl 8:616-620. [PMID: 22787862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
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175
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Okabe T, Habara K, Yoshizaki T, Matsuura K, Hayashida K, Nakashima K, Kagemoto M. The Influence Of Scattered Rays From A Gold Marker Near A Lung Tumor On The Dose Distribution. Int J Radiat Oncol Biol Phys 2011. [DOI: 10.1016/j.ijrobp.2011.06.1367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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176
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Wada K, Tanaka K, Nakashima K. [The Rotterdam study]. NIHON RINSHO. JAPANESE JOURNAL OF CLINICAL MEDICINE 2011; 69 Suppl 8:581-586. [PMID: 22787855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
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177
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Tsukamoto A, Ohno K, Tsukagoshi T, Maeda S, Nakashima K, Fukushima K, Fujino Y, Takeuchi A, Tsujimoto H. Ultrasonographic Evaluation of Vincristine-Induced Gastric Hypomotility and the Prokinetic Effect of Mosapride in Dogs. J Vet Intern Med 2011; 25:1461-4. [DOI: 10.1111/j.1939-1676.2011.00795.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2011] [Revised: 07/27/2011] [Accepted: 08/03/2011] [Indexed: 11/30/2022] Open
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178
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Nakashima K, Yamada M. [108th Scientific Meeting of the Japanese Society of Internal Medicine: symposium: 1. Progress in dementia research--dementia disorders and protein; introduction]. NIHON NAIKA GAKKAI ZASSHI. THE JOURNAL OF THE JAPANESE SOCIETY OF INTERNAL MEDICINE 2011; 100:2464. [PMID: 22117334 DOI: 10.2169/naika.100.2464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
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Nakashima K. [108th Scientific Meeting of the Japanese Society of Internal Medicine: symposium: 1. Progress in dementia research--dementia disorders and protein; (1) overview]. NIHON NAIKA GAKKAI ZASSHI. THE JOURNAL OF THE JAPANESE SOCIETY OF INTERNAL MEDICINE 2011; 100:2465-2468. [PMID: 22117335 DOI: 10.2169/naika.100.2465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
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180
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Nomura T, Nakashima K, Inoue Y, Högl B. Authors’ reply to the comments of Miyamoto et al. regarding “Cardiac 123I-MIBG accumulation in Parkinson’s disease differs in association with REM sleep behavior disorder”. Parkinsonism Relat Disord 2011; 17:654. [DOI: 10.1016/j.parkreldis.2010.12.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2010] [Accepted: 12/18/2010] [Indexed: 10/18/2022]
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181
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Nakashima K, Wada K. [Dementia: progress in diagnosis and treatment; Topics, III. Treatments; 1. The new guidelines for dementia]. NIHON NAIKA GAKKAI ZASSHI. THE JOURNAL OF THE JAPANESE SOCIETY OF INTERNAL MEDICINE 2011; 100:2125-2133. [PMID: 21899143 DOI: 10.2169/naika.100.2125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
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182
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Ogi K, Nakashima K, Chihara K, Takeuchi K, Horiguchi T, Fujieda S, Sada K. Enhancement of B-cell receptor signaling by a point mutation of adaptor protein 3BP2 identified in human inherited disease cherubism. Genes Cells 2011; 16:951-60. [PMID: 21794028 DOI: 10.1111/j.1365-2443.2011.01539.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Tyrosine phosphorylation of adaptor protein c-Abl-Src homology 3 (SH3) domain-binding protein-2 (3BP2, also referred to SH3BP2) positively regulates the B-cell antigen receptor (BCR)-mediated signal transduction, leading to the activation of nuclear factor of activated T cells (NFAT). Here we showed the effect of the proline to arginine substitution of 3BP2 in which is the most common mutation in patients with cherubism (P418R) on B-cell receptor signaling. Comparing to the wild type, overexpression of the mutant form of 3BP2 (3BP2-P416R, corresponding to P418R in human protein) enhanced BCR-mediated activation of NFAT. 3BP2-P416R increased the signaling complex formation with Syk, phospholipase C-γ2 (PLC-γ2), and Vav1. In contrast, 3BP2-P416R could not change the association with the negative regulator 14-3-3. Loss of the association mutant that was incapable to associate with 14-3-3 could not mimic BCR-mediated NFAT activation in Syk-deficient cells. Moreover, BCR-mediated phosphorylation of extracellular signal regulated kinase (ERK) and c-Jun N-terminal kinase (JNK) was not affected by P416R mutation. These results showed that P416R mutation of 3BP2 causes the gain of function in B cells by increasing the interaction with specific signaling molecules.
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Nishikawa M, Nakashima K, Miura H, Endo H, Toba K. Advance care planning in Japanese nursing homes. BMJ Support Palliat Care 2011. [DOI: 10.1136/bmjspcare-2011-000053.96] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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184
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Nishikawa M, Nakashima K, Miura H, Endo H, Toba K. Advance care planning in Japanese nursing homes. BMJ Support Palliat Care 2011. [DOI: 10.1136/bmjspcare-2011-000053.100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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185
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Miura H, Nishikawa M, Nakashima K, Hong YJ, Detering K, Jones D, Silvester W. Investigation on the use of advance directives for patients attending a hospital in Japan. BMJ Support Palliat Care 2011. [DOI: 10.1136/bmjspcare-2011-000053.113] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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186
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Horiguchi T, Ishiguro N, Chihara K, Ogi K, Nakashima K, Sada K, Hori-Tamura N. Inhibitory effect of açaí (Euterpe oleracea Mart.) pulp on IgE-mediated mast cell activation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:5595-5601. [PMID: 21486000 DOI: 10.1021/jf2005707] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
The palm fruit açaí is known to have potential health benefits due to its antioxidant scavenging capacities. Pretreatment of IgE-sensitized mouse primary cultured mast cells with açaí pulp resulted in the dramatic suppression of antigen-induced degranulation in a dose-dependent manner. Similarly, açaí suppressed IgE-mediated degranulation and transcription of the cytokine genes from a cultured mast cell line of rat basophilic leukemia (RBL)-2H3 cells. Açaí could selectively inhibit FcεRI signaling pathways. Furthermore, the FcεRI-mediated complementary signaling pathway was also suppressed by açaí. These results demonstrate that açaí is a potent inhibitor of IgE-mediated mast cell activation.
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187
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Nomura T, Inoue Y, Högl B, Uemura Y, Yasui K, Sasai T, Namba K, Nakashima K. Comparison of the clinical features of rapid eye movement sleep behavior disorder in patients with Parkinson's disease and multiple system atrophy. Psychiatry Clin Neurosci 2011; 65:264-71. [PMID: 21507133 DOI: 10.1111/j.1440-1819.2011.02201.x] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
AIMS The aim of this study was to evaluate differences in the clinical presentation and polysomnographic characteristics of rapid eye movement sleep behavior disorder (RBD) between patients with Parkinson's disease (PD) and those with multiple system atrophy (MSA). METHODS We conducted clinical interviews examining RBD symptoms, including violent and non-violent behaviors, in 49 patients with PD and 16 patients with MSA (as well as their bed partners) and performed polysomnography on all subject patients. RESULTS Twenty-seven patients with PD (55.1%) and 11 patients with MSA (68.8%) had rapid eye movement sleep without atonia (RWA) on polysomnogram. The relative amounts of RWA were quite similar between the two groups. For most of the RWA-positive patients in both groups, RBD symptoms remained non-violent or silent. RBD symptoms in PD patients seemed to increase with the course of PD, while most of the RBD symptoms in the MSA patients occurred just prior to or at the onset of MSA and then disappeared within a short period. CONCLUSION Although PD and MSA frequently accompany RWA, RBD symptoms often remain non-violent or silent. Differences in the course of RBD symptoms in patients with PD and MSA may reflect the difference in the degeneration process of the two disorders.
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Sada K, Nakashima K, Ogi K, Chihara K. Tyrosine phosphorylation of 3BP2 regulates BCR-mediated activation of NFAT. (109.3). THE JOURNAL OF IMMUNOLOGY 2011. [DOI: 10.4049/jimmunol.186.supp.109.3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Abstract
Adaptor protein c-Abl SH3 domain-binding protein-2 (3BP2, also referred to SH3BP2) regulates immune receptor-mediated signal transduction. In this report, we focused on the molecular mechanism of 3BP2 function in B cell receptor (BCR) signaling. Engagement of BCR induces tyrosine phosphorylation of 3BP2. Genetic analysis demonstrated that Syk is critical for BCR-mediated tyrosine phosphorylation of 3BP2. Mutational analysis of 3BP2 revealed that both Tyr183 and Src homology 2 (SH2) domain are necessary for 3BP2-mediated BCR-induced activation of nuclear factor of activated T cells (NFAT). Point mutation of Tyr183 or Arg486 in the SH2 domain of 3BP2 diminished BCR-mediated tyrosine phosphorylation of 3BP2. Endogenous 3BP2 forms complex with tyrosine phosphorylated cellular signaling molecules. Peptide binding experiments demonstrated that only phosphorylated Tyr183 in 3BP2 could form a complex with the SH2 domain(s) of phospholipase C (PLC)-γ2 and Vav1 from B cell lysates. These interactions were represented by using bacterial GST-PLC-γ2 or -Vav1 SH2 domain(s). Furthermore, pull down and far-western experiments showed that 3BP2-SH2 domain directly binds to B cell linker protein (BLNK) following BCR stimulation. These results demonstrated that 3BP2 induces protein complex with cellular signaling molecules through phosphorylation of Tyr183 and SH2 domain leading to the activation of NFAT in B cells.
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189
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Uemura Y, Wada-Isoe K, Nakashita S, Nakashima K. Mild parkinsonian signs in a community-dwelling elderly population sample in Japan. J Neurol Sci 2011; 304:61-6. [PMID: 21377694 DOI: 10.1016/j.jns.2011.02.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2010] [Revised: 12/24/2010] [Accepted: 02/11/2011] [Indexed: 12/21/2022]
Abstract
Mild parkinsonian signs (MPS) may represent the mild end of a disease spectrum that spans from normal aging to neurodegenerative diseases. We conducted a population-based study in a rural island town in western Japan, Ama-cho. Participants included 1129 subjects, aged 60 years and older, residing in the town. Participants were classified according to a modified Unified Parkinson's Disease Rating Scale (mUPDRS) score. MPS was determined to be present if any of the following conditions were met: (1) two or more mUPDRS ratings=1 [MPS-mild]; (2) one mUPDRS rating≥2; or (3) mUPDRS rest tremor rating≥1; [(2) and (3): MPS-severe]. Subjects wore a uniaxial accelerometer (Actiwatch), resulting in the measurement of actigraphic activity counts (AC). Of the 804 participants with complete data, 178 subjects (22.1%) were classified as demonstrating MPS. AC was significantly lower in the MPS-severe group compared with both the CTL and the MPS-mild groups. Diagnostic sensitivity for MPS-severe became 100% when we adopted a cutoff point of low physical activity, as measured by actigraphy, combined with the presence of subjective depression. We established the prevalence of MPS in a community-dwelling elderly population sample in Japan. Actigraphy may be a useful objective tool for screening MPS-severe.
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Komada Y, Nomura T, Kusumi M, Nakashima K, Okajima I, Sasai T, Inoue Y. Correlations among insomnia symptoms, sleep medication use and depressive symptoms. Psychiatry Clin Neurosci 2011; 65:20-9. [PMID: 21105960 DOI: 10.1111/j.1440-1819.2010.02154.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
AIM To elucidate the factors associated with insomnia symptoms and the use of sleep medication, and the correlations among insomnia symptoms, sleep medication use and depressive symptoms in the general population. METHODS This survey was conducted in a rural community of Japan. Questionnaires consisted of basic information, the Pittsburgh Sleep Quality Index, and a 12-item version of the Center for Epidemiological Studies Depression scale, and were administered to all community members aged 20 years or over. A total of 2822 respondents with valid answers were subjected to analysis. RESULTS Occurrence of insomnia symptoms appeared to be associated with advancing age and existence of depressive symptoms. The extent of sleep medication use in the entire sample was 9%, and the value in the subjects with insomnia symptoms was 26%. Sleep medication use in insomniacs was associated with female sex and advancing age as well as higher scores in subcomponents of both poor subjective sleep quality and prolonged delay of sleep onset. Depressive symptoms were worst in the group with insomnia symptoms using sleep medication, and were significantly lower in the group without insomnia symptoms using sleep medication. CONCLUSIONS Our study revealed that female sex, advancing age, depressive symptoms, poor sleep quality, and prolonged delay of sleep onset appeared as risk factors for sleep medication use. Insomnia symptoms were suspected to act as an exacerbating factor for depressive symptoms. However, our findings suggested that appropriate use of sleep medication could reduce depressive symptoms in the subjects with insomnia symptoms.
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191
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Suto Y, Kowa H, Nakayasu H, Awaki E, Saito J, Irizawa Y, Nakashima K. Relationship between three-year survival and functional outcome at discharge from acute-care hospitals in each subtype of first-ever ischemic stroke patients. Intern Med 2011; 50:1377-83. [PMID: 21720056 DOI: 10.2169/internalmedicine.50.4498] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND We studied the relationship between survival prognosis and the functional outcome at discharge from acute-care hospitals in each subtype of ischemic stroke patients. METHODS A total of 853 consecutive patients with first-ever ischemic stroke, recruited from December 1999 to November 2002, were followed for 725.8 ± 430.0 days. Functional outcome was scored using the modified Rankin scale (mRS). Survival analysis was performed using Kaplan-Meier curves, log rank test, and Cox regression model. RESULTS The respective mortality of the groups with mRS scores of 0-2, 3, 4, and 5 were 13.1%, 25.0%, 47.2% (p<0.05), and 74.0% (p<0.05) in cardioembolic infarction (CEI) patients; 11.3%, 6.9%, 5.6%, and 46.7% (p<0.05) in atherothrombotic infarction (ATI) patients; 8.5%, 5.6%, 11.1%, and 0% (no patient) in lacunar infarction (LACI) patients; and 2.6%, 3.0%, 23.3% (p<0.05), and 28.9% (p<0.05) in infarction of unknown cause (IUC) patients. Multi-variate analysis showed that the mRS score was a significant predictive factor for death in CEI patients, and tended to be a predictive factor for death in ATI patients, or IUC patients. CONCLUSION Functional outcome at discharge from acute-care hospitals may predict the survival prognosis of each subtype of ischemic stroke.
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Imamura K, Kamitani H, Nakayasu H, Asai Y, Nakashima K. Purulent meningitis caused by Actinomyces successfully treated with rifampicin: a case report. Intern Med 2011; 50:1121-5. [PMID: 21576840 DOI: 10.2169/internalmedicine.50.4841] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
A 64-year-old woman presented with fever and headache. Lumbar puncture revealed cerebrospinal fluid (CSF) that contained 67,386 /mm(3) of WBC; CSF culture revealed Actinomyces species. She was diagnosed with purulent meningitis caused by actinomyces, and treated with intravenous ampicillin 12 g/day. The administration of ampicillin was effective, but not sufficient to control the inflammation in CSF. CSF inflammation persisted and a gradual increase in granulation tissue was found in the subdural space on lumbar MRI. After administration of rifampicin 450 mg/day, the CSF was normalized and the enhancement of granulation tissue decreased. The patient completely recovered 5 months after the therapy was initiated. We suggest that rifampicin may be an option for the treatment of meningitis caused by actinomyces.
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Nakashima K. [The new guideline for dementia]. Nihon Ronen Igakkai Zasshi 2011; 48:637-639. [PMID: 22322030 DOI: 10.3143/geriatrics.48.637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
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194
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Kanemoto H, Ohno K, Sakai M, Nakashima K, Takahashi M, Fujino Y, Tsujimoto H. Expression of fibrosis-related genes in canine chronic hepatitis. Vet Pathol 2010; 48:839-45. [PMID: 21118800 DOI: 10.1177/0300985810388523] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Molecular regulation of fibrosis in chronic canine hepatitis is poorly understood. The authors employed quantitative polymerase chain reaction (PCR) to determine the expression levels of genes reported to be related to fibrosis in other species (human, mouse, and rat) and to elucidate the relationship of these genes with the degree of fibrosis and the presence or absence of ascites and/or jaundice in dogs with hepatitis. Nine fibrosis-related genes were assayed: PDGFB, PDGFD, MMP2, TIMP1, THBS1, COL1A1, COL3A1, TGFB1, and TGFB2. Liver samples of 15 dogs with chronic hepatitis and 4 healthy control dogs were obtained via laparoscopic biopsy and subjected to histologic and quantitative PCR analyses. The expression of all 9 genes showed significant positive correlation (P<.01, r>.70) with the degree of fibrosis. Furthermore, the expression levels of all genes except TGFB1 were significantly higher (P<.05) in dogs with hepatic failure-related symptoms (ascites/jaundice). Results suggest that these 9 genes are integral to the development of fibrosis in canine chronic hepatitis.
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195
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Suzuki N, Nakashima K. [Molecular mechanism of migraine headache]. Rinsho Shinkeigaku 2010; 50:988. [PMID: 22937543 DOI: 10.5692/clinicalneurol.50.988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
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196
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Onodera O, Nakashima K. [Clinical studies on neurological disorders conducted by research consortia]. Rinsho Shinkeigaku 2010; 50:925. [PMID: 21921512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
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197
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Yamazaki M, Murakami H, Nakashima K, Otsuka M, Takada R, Abe H. Effect of cellulase supplementation in low-crude protein diets on performance, nitrogen excretion, fat deposition, hepatic lipogenic and lipolytic enzyme activity in broilers. Br Poult Sci 2010; 48:210-6. [PMID: 17453814 DOI: 10.1080/00071660701252988] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
1. Two experiments were conducted to investigate the effect of dietary enzyme supplementation of a low-protein diet on performance, nitrogen excretion, fat deposition, hepatic lipogenic and lipolytic enzyme activity in 7-21- (Experiment 1) and 21-42-d-old (Experiment 2) male broiler chicks. 2. Chicks were given diets containing 210 g (Experiment 1) or 170 g (Experiment 2) crude protein (CP)/kg (Control), amino acid-fortified diets 190 g (Experiment 1) and 150 g (Experiment 2) CP/kg (Low-protein), and a low-protein diet supplemented with 1000 U/kg of cellulase. 3. In Experiment 1, growth performance and abdominal fat deposition were not affected by dietary treatments, and birds given low-protein diets excreted less nitrogen. The activities of hepatic lipogenic and lipolytic enzymes were not different among the three dietary groups. 4. In Experiment 2, the dietary treatment did not affect growth performance or abdominal fat weight. Nitrogen excretion was significantly lower in chicks given the 150 g/kg CP diet than those on the 170 g/kg CP diet; however, nitrogen retention was no different among the treatments. Dietary CP and enzyme supplementation did not significantly affect hepatic enzyme activities. 5. These results suggest that CP content in the broiler diet can be reduced by 20 g/kg without lowering performance by the supplementation of crystalline amino acids, and can reduce nitrogen excretion by about 25%. Cellulase supplementation of a low-CP diet slightly lowered abdominal fat deposition; however, it did not significantly affect hepatic lipogenic and lipolytic enzyme activity.
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Nakashima K. S37-1 Update of TMS: Introduction. Clin Neurophysiol 2010. [DOI: 10.1016/s1388-2457(10)60228-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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199
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Uemura Y, Wada-Isoe K, Nakashita S, Takigawa H, Kitayama M, Nakashima K. P5-7 Usefulness of actigraphy in screening for mild Parkinsonian signs. Clin Neurophysiol 2010. [DOI: 10.1016/s1388-2457(10)60529-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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200
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Yamamoto M, Wada-Isoe K, Yoneda M, Doi K, Kowa H, Nakashima K. [A case of acute cerebellar ataxia associated with serum anti-NH2 terminal of alpha-enolase (NAE) antibody]. Rinsho Shinkeigaku 2010; 50:581-4. [PMID: 20803969 DOI: 10.5692/clinicalneurol.50.581] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
We reported a 61-year-old man who had developed acute cerebellar ataxia in the trunk and the lower limbs. His chemical blood analysis showed very mild hypothyroidism and the presence of serum anti-thyroid peroxidase (TPO) antibody and anti-NH2 terminal of alpha-enolase (NAE) antibody. While cerebellar atrophy was not evident on magnetic resonance imaging (MRI) of the brain, 99mTc-ECD SPECT using the easy Z-score imaging system (eZIS) showed decreased regional cerebral blood flow (rCBF) in the vermis of cerebellum. His cerebellar ataxia improved spontaneously within three weeks. The present case is very rare and suggests that anti-NAE autoantibody may be associated with actue cerebellar ataxia.
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