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Nakagawa T, Cho J, Yeung D. SUCCESSFUL AGING IN EAST ASIA: A COMPARISON OF CHINA, KOREA, AND JAPAN. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.2472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Okubo H, Murakami K, Inagaki H, Gondo Y, Ikebe K, Kamide K, Masui Y, Arai Y, Ishizaki T, Sasaki S, Nakagawa T, Kabayama M, Sugimoto K, Rakugi H, Maeda Y. Hardness of the habitual diet and its relationship with cognitive function among 70-year-old Japanese elderly: Findings from the SONIC Study. J Oral Rehabil 2018; 46:151-160. [PMID: 30325532 DOI: 10.1111/joor.12731] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 09/28/2018] [Accepted: 10/08/2018] [Indexed: 11/28/2022]
Abstract
BACKGROUND There is increasing evidence of causal links between poor mastication and cognitive impairment, but possible effects of dietary hardness, which clearly affects mastication, on cognitive function are unknown. OBJECTIVE We investigated the hypothesis that hardness of the habitual diet would be associated with cognitive function among older Japanese adults. METHODS The subjects of this cross-sectional study were 635 Japanese community-dwelling people aged 69-71 years. The masticatory muscle activity required for the habitual diet was used to determine dietary hardness. Consumption of 38 foods was assessed by a validated, brief-type, self-administered diet history questionnaire. A published database was then used to estimate the masticatory muscle activity involved in the ingestion of these foods. The Japanese version of the Montreal Cognitive Assessment (MoCA-J) was used for the measurement of cognitive function. RESULTS The principal contributors to dietary hardness were cooked rice (28.0%), green leafy vegetables (5.1%), dried fish (4.9%), and pork and beef (4.6%). There was a positive association between dietary hardness and MoCA-J score that was robust to adjustment for potential confounders (MoCA-J score per 100-unit increase in dietary hardness: β = 0.83 [95% CI: 0.08, 1.59], P = 0.03). These results did not change materially even after exclusion of subjects who reported substantial changes in their diet for any reason (β = 0.94 [95% CI: 0.02, 1.86], P = 0.04). CONCLUSION This preliminary cross-sectional study suggests that dietary hardness might have a beneficial effect on cognitive function in older Japanese people. Further prospective studies with more accurate measurements are needed to confirm this finding.
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Imai K, Nakagawa T, Matsuzaki I, Orino K, Saito H, Sato K, Sano M, Sato Y, Motoyama S, Shibata H, Minamiya Y. P3.01-42 Phase II Trial Allowed Surgery After Induction Chemotherapy of CBDCA+PTX, Bevacizumab in Patients with Stages IIIA-IV Nonsquamous NSCLC. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Nakagawa T, Cho J, Gondo Y, Martin P, Johnson MA, Poon LW, Hirose N. Subjective well-being in centenarians: a comparison of Japan and the United States. Aging Ment Health 2018; 22:1313-1320. [PMID: 28682113 PMCID: PMC6249122 DOI: 10.1080/13607863.2017.1348477] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVE The present study examined the cultural differences and similarities in the levels and predictors of subjective well-being in Japanese and American centenarians. METHOD We analyzed data on cognitively intact Japanese (N = 59) and American (N = 125) participants from the Tokyo and Georgia Centenarian Studies, respectively. The Philadelphia Geriatric Center Morale Scale was used to measure subjective well-being, while sociodemographic, social, and health resources were assessed as potential predictors. RESULTS The American participants reported higher scores on well-being (satisfaction with social relations and psychological comfort). However, cultural differences in the levels of well-being disappeared after we controlled for its predictors. The regression models revealed that health resources (cognitive function, hearing problems, and activities of daily living) were strong predictors of well-being in both countries. Social resources (living with others) were strongly associated with one dimension of well-being (attitude toward one's aging) among the Japanese participants. DISCUSSION The findings support the existing lifespan and cross-cultural literature, indicating that declines in health impose certain limitations on adaptive capacity in oldest-old age irrespective of cultures, and that social embeddedness is valued in Eastern cultures. The authors speculate that cultural values, i.e. personal autonomy versus relational harmony, play an important role for well-being in oldest-old age.
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Hatta K, Ikebe K, Gondo Y, Kamide K, Masui Y, Inagaki H, Nakagawa T, Matsuda KI, Ogawa T, Inomata C, Takeshita H, Mihara Y, Fukutake M, Kitamura M, Murakami S, Kabayama M, Ishizaki T, Arai Y, Sugimoto K, Rakugi H, Maeda Y. Influence of lack of posterior occlusal support on cognitive decline among 80-year-old Japanese people in a 3-year prospective study. Geriatr Gerontol Int 2018; 18:1439-1446. [DOI: 10.1111/ggi.13508] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 07/05/2018] [Accepted: 07/14/2018] [Indexed: 01/13/2023]
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Nakagawa T, Yamane S. Emotional word use and longevity among Japanese business leaders. JOURNAL OF RESEARCH IN PERSONALITY 2018. [DOI: 10.1016/j.jrp.2018.06.005] [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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Mihara Y, Matsuda KI, Hatta K, Gondo Y, Masui Y, Nakagawa T, Kamide K, Ishizaki T, Arai Y, Maeda Y, Ikebe K. Relationship between gerotranscendence and oral health-related quality of life. J Oral Rehabil 2018; 45:805-809. [PMID: 30019445 DOI: 10.1111/joor.12691] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 07/10/2018] [Accepted: 07/16/2018] [Indexed: 11/29/2022]
Abstract
OBJECTIVES The purpose of our cross-sectional study was to investigate the relationship between gerotranscendence and oral health-related quality of life (OHR-QOL). To our knowledge, this is the first study to investigate the relationship between gerotranscendence and OHR-QOL. METHODS Participants (total n = 1969; 70-year-old group, n = 999; 80-year-old group, n = 970) were drawn from resident lists in four areas of Japan: one urban area and one rural area in each of two geographical regions. OHR-QOL was measured using the Geriatric Oral Health Assessment Index (GOHAI). Measurement of occlusal force was performed using pressure-sensitive sheets. Gerotranscendence was assessed with the Japanese Gerotranscendence Scale Revised (JGS-R). We used multiple linear regression analysis to examine the relationships among OHR-QOL and other variables. RESULTS Geriatric Oral Health Assessment Index score was significantly correlated with occlusal force, number of teeth, financial status and JGS-R score on linear regression analysis. CONCLUSION Degree of gerotranscendence was significantly and independently correlated with degree of OHR-QOL in our sample.
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Nakagawa T, Jopp DS, Gondo Y, Lehrfeld J, Rott C, Oswald F. Valuation of Life Among Old and Very Old Adults: Comparison Between Germany and Japan. Innov Aging 2018; 2:igy020. [PMID: 30480140 PMCID: PMC6177057 DOI: 10.1093/geroni/igy020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Indexed: 11/20/2022] Open
Abstract
Background and Objectives Valuation of life (VOL) represents a construct capturing individuals’ active attachment to their life. The majority of studies on VOL were conducted in North America and Europe where personal autonomy and independence are highly valued, leaving open the question about the relevance of this construct in interdependence-oriented cultures. Using a framework of cross-cultural and life-span theories, the present study compared levels and predictors of VOL between the young-old and old-old individuals from Germany and Japan. Research Design and Methods Two hundred fifty-seven Germans and 248 Japanese, matched by age, gender, education, and IADL, answered a 5-item VOL scale and shared information on sociodemographic, social, and health resources. Results Germans’ VOL levels were higher than in Japanese participants. Both culture- and age-moderated predictions of VOL: education was significant only in the young-old Japanese, and close social partners mattered in the old-old, not in the young-old. Health determined VOL irrespective of culture and age. Discussion and Implications The findings suggest that cultural values and aging processes should be considered to better understand how individuals value their life and to help older adults to feel that his/her life is meaningful and worth living.
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Kimura M, Sasaki K, Endo K, Kanatani A, Yamada Y, Miyazaki H, Nakagawa T. 659 An antidepressant effect of Tadalafil 5mg once daily in male LUTS and ED. J Sex Med 2018. [DOI: 10.1016/j.jsxm.2018.04.567] [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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Kuwahara K, Endo M, Nanri A, Kashino I, Nishiura C, Hori A, Kinugawa C, Nakagawa T, Honda T, Yamamoto S, Imai T, Nishihara A, Uehara A, Yamamoto M, Miyamoto T, Sasaki N, Ogasawara T, Tomita K, Nagahama S, Kochi T, Eguchi M, Okazaki H, Murakami T, Shimizu M, Kabe I, Mizoue T, Dohi S. 1221 Changes in body mass index before and after long-term sick leave due to cancer among workers: j-ecoh study. Occup Med (Lond) 2018. [DOI: 10.1136/oemed-2018-icohabstracts.1089] [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] Open
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Ouchi T, Morikawa S, Shibata S, Takahashi M, Yoshikawa M, Soma T, Miyashita H, Muraoka W, Kameyama K, Kawana H, Arima Y, Saya H, Okano H, Nakagawa T, Asoda S. Recurrent Spindle Cell Carcinoma Shows Features of Mesenchymal Stem Cells. J Dent Res 2018; 97:779-786. [PMID: 29494307 DOI: 10.1177/0022034518759278] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
This study investigated a case of spindle cell carcinoma (SpCC) in tongue pathological lesions. The patient experienced a local recurrence and distant metastasis after surgical intervention. Although standard chemotherapy was administered, a granulomatous mass continued to develop. This aggressive growth led to survival of the tumor. Secondary debulking surgery was performed to improve the patient's quality of life at the request of the patient. Using a tissue sample derived from the secondary debulking surgery, we performed an analysis of the tumor's cell surface antigens, differentiation potential, metastatic ability, and inhibition potential by anticancer reagents. In vitro analysis revealed that the cell population grown under adherent culture conditions expressed the mesenchymal stem cell (MSC) markers CD73, CD90, and CD105. The cell line established from this SpCC contained colony-forming unit fibroblasts (CFU-Fs) and exhibited multipotent differentiation into several mesenchymal lineages, including bone, cartilage, and fat. The SpCC cells also displayed vigorous mobilization. These characteristics suggested that they had the differentiation potential of mesenchymal cells, especially MSCs, rather than that of epithelial cells. The surgical specimen analyzed in this study resisted the molecular target reagent cetuximab, which is an epidermal growth factor receptor inhibitor. This clinical insight revealed that chemotherapy-resistant SpCC cells have different characteristics compared to most other cancer cells, which are sensitive to cetuximab. Our cell death assay revealed that SpCC cell death was induced by the anticancer drug imatinib, which is known to inhibit protein tyrosine kinase activity of ABL, platelet-derived growth factor receptor α (PDGFRα), and KIT. Here, we report recurrent SpCC with characteristics of MSCs and potential for treatment with imatinib.
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Nagasawa M, Takami Y, Akasaka H, Kabayama M, Maeda S, Yokoyama S, Fujimoto T, Nozato Y, Imaizumi Y, Takeda M, Itoh N, Takeya Y, Yamamoto K, Sugimoto K, Nakagawa T, Masui Y, Arai Y, Ishizaki T, Ikebe K, Gondo Y, Kamide K, Rakugi H. High plasma adiponectin levels are associated with frailty in a general old-old population: The Septuagenarians, Octogenarians, Nonagenarians Investigation with Centenarians study. Geriatr Gerontol Int 2018; 18:839-846. [PMID: 29392822 DOI: 10.1111/ggi.13258] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 12/01/2017] [Accepted: 12/11/2017] [Indexed: 12/14/2022]
Abstract
AIM The objective of the present study was to investigate the association between frailty and plasma adiponectin levels in a general population of Japanese older adults. METHODS The volunteer older adults, aged approximately 83 years, were recruited randomly from a general population in the Japanese Septuagenarians, Octogenarians, Nonagenarians Investigation with Centenarians study. We used the modified Cardiovascular Health Study criteria to assess the frailty status of the study participants. The study participants were classified as non-frail, pre-frail and frail according to their physical activities. We compared plasma adiponectin levels among these three groups and applied a multivariate logistic regression analysis including plasma adiponectin levels to clarify the factors associated with frailty status in the cross-sectional design. RESULTS The mean age of the participants was 83.1 ± 0.9 years, and 51.8% were men. The frailty index was available to assess 353 participants, of whom 24.6% were classified as non-frail, 62.3% as prefrail and 13.0% as frail. The log-transformed plasma adiponectin levels increased stepwise in the following order: non-frail, pre-frail and frail. A multivariate logistic regression analysis showed that higher plasma adiponectin levels, a higher estimated glomerular filtration rate and lower hemoglobin levels were independent determinants for pre-frail/frail status compared with non-frail status. CONCLUSIONS The present study showed that higher plasma adiponectin levels were associated with frailty status in older Japanese adults in the general population. Further longitudinal study is essential to clarify the role of plasma adiponectin in the progression of frailty. Geriatr Gerontol Int 2018; 18: 839-846.
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Ikebe K, Gondo Y, Kamide K, Masui Y, Ishizaki T, Arai Y, Inagaki H, Nakagawa T, Kabayama M, Ryuno H, Okubo H, Takeshita H, Inomata C, Kurushima Y, Mihara Y, Hatta K, Fukutake M, Enoki K, Ogawa T, Matsuda KI, Sugimoto K, Oguro R, Takami Y, Itoh N, Takeya Y, Yamamoto K, Rakugi H, Murakami S, Kitamura M, Maeda Y. Occlusal force is correlated with cognitive function directly as well as indirectly via food intake in community-dwelling older Japanese: From the SONIC study. PLoS One 2018; 13:e0190741. [PMID: 29304177 PMCID: PMC5755890 DOI: 10.1371/journal.pone.0190741] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2017] [Accepted: 12/12/2017] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Growing evidence suggests that oral health may be an important factor associated with cognitive function in aged populations. However, many previous studies on this topic used insensitive oral indicators or did not include certain essential covariates. Thus, we examined the association between occlusal force and cognitive function in a large sample of older adults, controlling for dietary intake, vascular risk factors, inflammatory biomarkers, depression, and genetic factors. METHODS In this cross-sectional study of older community-dwelling Japanese adults, we examined data collected from 994 persons aged 70 years and 968 persons aged 80 years. Cognitive function was measured using the Japanese version of the Montreal Cognitive Assessment (MoCA-J). Oral status and function were evaluated according to the number of remaining teeth, periodontal pocket depth, and maximal occlusal force. Associations between MoCA-J scores and occlusal force were investigated via bivariate and multivariate analyses. RESULTS Education level, financial status, depression score, and intake of green and yellow vegetables, as well as number of teeth and occlusal force, were significantly correlated with MoCA-J scores in both age groups. Among individuals aged 80 years, CRP and periodontal status were weakly but significantly associated with MoCA-J score. After controlling for all significant variables via bivariate analyses, the correlation between maximal occlusal force and cognitive function persisted. A path analysis confirmed the hypothesis that cognitive function is associated with occlusal force directly as well as indirectly via food intake. CONCLUSIONS After controlling for possible factors, maximal occlusal force was positively associated with cognitive function directly as well as indirectly through dietary intake.
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Nakase H, Motoya S, Matsumoto T, Watanabe K, Hisamatsu T, Yoshimura N, Ishida T, Kato S, Nakagawa T, Esaki M, Nagahori M, Matsui T, Naito Y, Kanai T, Suzuki Y, Nojima M, Watanabe M, Hibi T. Significance of measurement of serum trough level and anti-drug antibody of adalimumab as personalised pharmacokinetics in patients with Crohn's disease: a subanalysis of the DIAMOND trial. Aliment Pharmacol Ther 2017; 46:873-882. [PMID: 28884856 PMCID: PMC5656923 DOI: 10.1111/apt.14318] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 07/18/2017] [Accepted: 08/18/2017] [Indexed: 12/17/2022]
Abstract
BACKGROUND Significance of monitoring adalimumab trough levels and anti-adalimumab antibodies (AAA) for disease outcome in Crohn's disease (CD) patients remained unclear. AIM To evaluate the association of adalimumab trough levels and AAA at week 26 with clinical remission at week 52, the effect of azathiopurine on AAA and factors influencing trough levels in CD patients in the DIAMOND trial. METHODS We performed this study using adalimumab trough levels, AAA at week 26 and 6-thioguanine nucleotide (TGN) in red blood cells at week 12. A multiple regression model and receiver operating analysis was performed to identify factors influencing adalimumab trough levels and AAA, and adalimumab thresholds for predicting disease activity. RESULTS There was a significant difference of adalimumab trough level at week 26 between patients with disease remission and without at week 52 (7.7 ± 3.3 μg/mL vs 5.4 ± 4.3 μg/mL: P <.001). Adalimumab trough level of 5.0 μg/mL yielded optimal sensitivity and specificity for remission prediction (80.2% and 55.6%, respectively). AAA development at week 26 significantly affected remission at week 52 (P = .021), which was strongly associated with adalimumab trough levels. Female gender and increasing body weight were independently associated with low adalimumab trough levels, and female gender was associated with AAA development. A cut-off 6TGN level of >222.5 p mol/8 ×108 RBCs yielded sensitivity (100%) and specificity (60.6%) for AAA negativity. CONCLUSION Adalimumab trough levels and AAA occurrence were significantly associated with clinical remission. Higher 6TGN affected AAA negativity. The combination therapy is beneficial in some relevant aspects for CD patients. (UMIN Registration No. 000005146).
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Ishiba T, Danenberg K, Usher J, Nakagawa T, Oda G, Uetake H, Hoshino N, Nishioka Y, Kawano T. Frequencies and expression levels of programmed death ligand 1 (PD-L1) in circulating tumor RNA (ctRNA) in various cancer types. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx653.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Nawa T, Fukui K, Nakayama T, Sagawa M, Nakagawa T, Ichimura H, Mizoue T. MA 14.06 Population Based Cohort Study to Evaluate Lung Cancer Screening Using Low Dose CT in Hitachi City. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Hashimoto R, Kohno M, Tsuboi T, Matsuzaki T, Oiwa K, Hamamoto A, Nakagawa T, Masuda R, Iwazaki M. P-136ANALYSIS OF CYTOKINES IN EPITHELIAL LINING FLUID SERIALLY COLLECTED USING BRONCHOSCOPIC MICROSAMPLING TECHNIQUE IN A CANINE LUNG TRANSPLANT MODEL. Interact Cardiovasc Thorac Surg 2017. [DOI: 10.1093/icvts/ivx280.136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Nakagawa K, Ueda M, Itoh M, Hayakawa-Ogura M, Ana T, Islam S, Nakagawa T. Improvement of memory impairment by dietary quercetin supplementation through suppressing ATF4 expression in a murine model of early-stage Alzheimer’s disease with obesity and diabetes. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Ong SM, Saeki K, Kok MK, Tanaka Y, Choisunirachon N, Yoshitake R, Nishimura R, Nakagawa T. Anti-tumour efficacy of etoposide alone and in combination with piroxicam against canine osteosarcoma in a xenograft model. Res Vet Sci 2017; 113:130-135. [PMID: 28957780 DOI: 10.1016/j.rvsc.2017.09.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 09/14/2017] [Accepted: 09/16/2017] [Indexed: 12/21/2022]
Abstract
Osteosarcoma (OSA) in dogs is locally invasive and highly malignant. Distant metastasis is the most common cause of death. To date, the survival rate in dogs with OSA remains poor. The cytotoxic effects of etoposide against canine OSA cell lines, either alone or in combination with piroxicam, have been previously demonstrated in vitro. The aim of this study was to evaluate the anti-tumour effect of etoposide alone and in combination with piroxicam on canine OSA using murine models. Etoposide single agent treatment significantly delayed tumour progression with a marked reduction in Ki-67 immunoreactivity in tumour tissue. Concomitant treatment with piroxicam did not enhance the anti-tumour efficacy of etoposide. Etoposide single agent treatment and combination treatment with piroxicam down-regulated survivin expression, but was not followed by increased apoptotic activity. These findings indicate that etoposide might be a promising novel therapeutic for canine OSA. Further investigations into its potential for clinical application in veterinary oncology are warranted.
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Okubo H, Inagaki H, Gondo Y, Kamide K, Ikebe K, Masui Y, Arai Y, Ishizaki T, Sasaki S, Nakagawa T, Kabayama M, Sugimoto K, Rakugi H, Maeda Y. Association between dietary patterns and cognitive function among 70-year-old Japanese elderly: a cross-sectional analysis of the SONIC study. Nutr J 2017; 16:56. [PMID: 28893250 PMCID: PMC5594454 DOI: 10.1186/s12937-017-0273-2] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Accepted: 08/16/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND An increasing number of studies in Western countries have shown that healthy dietary patterns may have a protective effect against cognitive decline and dementia. However, information on this relationship among non-Western populations with different cultural settings is extremely limited. We aim to examine the relationship between dietary patterns and cognitive function among older Japanese people. METHODS This cross-sectional study included 635 community-dwelling people aged 69-71 years who participated in the prospective cohort study titled Septuagenarians, Octogenarians, Nonagenarians Investigation with Centenarians (SONIC). Diet was assessed over a one-month period with a validated, brief-type, self-administered diet history questionnaire. Dietary patterns from thirty-three predefined food groups [energy-adjusted food (g/d)] were extracted by factor analysis. Cognitive function was assessed using the Japanese version of the Montreal Cognitive Assessment (MoCA-J). Multivariate regression analysis was performed to examine the relationship between dietary patterns and cognitive function. RESULTS Three dietary patterns were identified: the 'Plant foods and fish', 'Rice and miso soup', and 'Animal food' patterns. The 'Plant foods and fish' pattern, characterized by high intakes of green and other vegetables, soy products, seaweeds, mushrooms, potatoes, fruit, fish, and green tea, was significantly associated with a higher MoCA-J score [MoCA-J score per one-quartile increase in dietary pattern: β = 0.56 (95% CI: 0.33, 0.79), P for trend <0.001]. This association was still evident after adjustment for potential confounding factors [β = 0.41 (95% CI: 0.17, 0.65), P for trend <0.001]. In contrast, neither the 'Rice and miso soup' nor the 'Animal food' pattern was related to cognitive function. To confirm the possibility of reverse causation we also conducted a sensitivity analysis excluding 186 subjects who reported substantial changes in their diet for any reason, but the results did not change materially. CONCLUSION This preliminary cross-sectional study suggests that a diet with high intakes of vegetables, soy products, fruit, and fish may have a beneficial effect on cognitive function in older Japanese people. Further prospective studies are needed to confirm this finding.
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Nakagawa T, Kabayama M, Matsuda K, Yasumoto S, Gondo Y, Kamide K, Ikebe K. IS DAILY PHYSICAL ACTIVITY PLEASANT FOR OLDER ADULTS? BETWEEN- AND WITHIN-PERSON ASSOCIATIONS. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.1776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Nakagawa T, Gondo Y, Ishioka Y, Masui Y. Age, Emotion Regulation, and Affect in Adulthood: The Mediating Role of Cognitive Reappraisal. JAPANESE PSYCHOLOGICAL RESEARCH 2017. [DOI: 10.1111/jpr.12159] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Iwasaki R, Morita M, Yoshida S, Nakagawa T, Miyamoto T, Kawana H. Smad4 in osteoclats reduce bone mass by inhibiting osteoclast differentiation. Int J Oral Maxillofac Surg 2017. [DOI: 10.1016/j.ijom.2017.02.1164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Usuda S, Yu K, Ohnishi K, Nakagawa T, Kawana H. Application of smart watch in navigation system for oral implant surgery. Int J Oral Maxillofac Surg 2017. [DOI: 10.1016/j.ijom.2017.02.1191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Kawana H, Usuda S, Yu K, Nakagawa T, Ohnishi K. A remote controlled haptic drilling robot for oral and maxillofacial surgery. Int J Oral Maxillofac Surg 2017. [DOI: 10.1016/j.ijom.2017.02.704] [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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