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Nakanishi M, Endo K, Hirooka K, Nakashima T, Morimoto Y, Granvik E, Minthon L, Nägga K, Nishida A. Dementia behaviour management programme at home: impact of a palliative care approach on care managers and professional caregivers of home care services. Aging Ment Health 2018; 22:1057-1062. [PMID: 28553880 DOI: 10.1080/13607863.2017.1332160] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVES Care managers and professional caregivers of home care services are sometimes unaware of the psychosocial approaches to the challenging behaviour of dementia. Therefore, we developed a Behaviour Analytics & Support Enhancement (BASE) programme. We investigated the effects of the programme on the attitudes towards dementia care among professionals. METHOD Forty-six participants in Japan received training in August 2016. The ongoing monitoring and assessment system was introduced to the participants for repeated measures of challenging behaviour. A 1-day follow-up meeting for debriefing was also performed after two months. A baseline and follow-up questionnaire survey was administered to the participating caregivers using a Japanese version of the Approaches to Dementia Questionnaire (ADQ) and the Zarit Burden Interview (ZBI). RESULTS A significant improvement was observed in the total ADQ score among the participating caregivers from baseline to follow-up assessment. There was no significant difference between the baseline and follow-up assessment in the ZBI scores. In the follow-up meeting, several participants reported challenges and suggested solutions in facilitating a discussion on an action plan among professionals from various organizations. CONCLUSION The implementation of the programme resulted in enhanced attitudes towards dementia care among the participants without an increased burden of care. Future studies should examine the programme's effectiveness on the challenging behaviour of persons with dementia.
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Nakashima T, Tahara Y, Noguchi T, Nishimura K, Yasuda S, Iwami T, Yonemoto N, Nonogi H, Nagao K. P1746The prognosis of out-of-cardiac arrest patients with refractory shockable rhythm who could not obtain return of spontaneous resuscitation by citizen use of public-access defibrillation. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p1746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Young Y, Papenkov M, Nakashima T. Who Is Responsible? A Man With Dementia Wanders From Home, Is Hit by a Train, and Dies. J Am Med Dir Assoc 2018; 19:563-567. [PMID: 29602644 DOI: 10.1016/j.jamda.2018.02.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 02/08/2018] [Accepted: 02/10/2018] [Indexed: 11/19/2022]
Abstract
The impact of dementia and Alzheimer's disease extends far beyond the healthcare needs of the person with dementia. As the disease progresses, individuals with dementia often require ongoing formal or informal care for their basic daily routine because of behavior changes and continuing loss of cognitive function. Most of the care for people with dementia takes place at home, and the unpaid, informal caregivers are often spouses or other relatives. Providing long-term informal care at home for someone with dementia is psychologically, physically, and financially draining. The tragedy described in this case elucidates the far-reaching societal impact of dementia care and the implicit health policy considerations. In 2007, a 91-year-old Japanese man with dementia was in the care of his wife when he wandered from home, was hit by a train, and died, immediately affecting the Central Japan Railway Company operations and, subsequently, legal practice as well as Japanese elder care policy. The railway sued the man's wife and son for negligence and lost revenue, winning both trials at the local and district courts. This ruling shocked families and caregivers in Japan, where care for elderly parents traditionally falls on the oldest son, and brought attention to the complex issues related to dementia care. A decade later, we revisit this case to provoke a renewed dialogue about the matrix of responsibilities and liabilities associated with caregiving; to illuminate the unmet needs of the person with dementia, as well as his or her informal caregivers; and the financial implications related to long-term care policy. We close with 2 practical suggestions which preserve the dignity of the individual and provide reassurance for caregivers.
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Ishibashi M, Kurata S, Uchiyama Y, Tanaka N, Abe T, Kobayashi M, Kaibara H, Uchida M, Nakashima T, Fujita H, Hayabuchi N, Kaida H. The utility of FDG-PET for detecting multiple primary cancers in hypopharyngeal cancer patients. Nuklearmedizin 2018; 48:179-84. [DOI: 10.3413/nukmed-0228] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2008] [Accepted: 07/10/2009] [Indexed: 11/20/2022]
Abstract
Summary
Aim: To examine the utility of 2'-[18F]-fluoro-2'-deoxy-D-glucose positron emission tomography (FDG-PET) for detecting multiple primary cancers (MPC) in patients with hypopharyngeal cancer (HPC). Patients, methods: Seventy patients with HPC underwent FDGPET to determine the staging. Routine clinical examinations were carried out, including computed tomography (CT), magnetic resonance imaging (MRI), ultrasound (US), and oesophagealgastroduodenoscopy (EGDS). The detection rate of synchronous and metachronous cancer was calculated based on FDG-PET alone or FDG-PET combined with clinical routine examination. Sensitivity, specificity, positive predictive values (PPV), negative predictive values (NPV), and accuracy were used to diagnose oesophageal cancer using FDG-PET. Results: Of the 70 patients, 12 (17.1%) had 15 synchronous tumours, and 2 of the 58 remaining patients (3.4%) had metachronous tumours. Oesophageal cancer was discovered most frequently: superficial type (n = 6), advanced type (n = 4). On a per-patient basis, 11 of 12 patients (91.6%) were diagnosed with synchronous tumours, and on a per-lesion basis, 12 of 15 lesions (80.0%) were detected by FDG-PET. The sensitivity, specificity, accuracy, PPV, and NPV of FDG-PET regarding oesophageal cancer were 70%, 100%, 95.7%, 100%, and 95.2% respectively. Three of the six superficial types were positive on FDG-PET. Both of the metachronous tumour lesions were detected by FDG-PET. Conclusion: FDG-PET is useful for estimating the MPC in HPC patients. Since 3 of 10 synchronous oesophageal cancer were missed with PET alone, a combination with EGDS should be considered to exclude synchronous oesophageal cancer.
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Kimura M, Nakayasu K, Ohshima Y, Fujita N, Nakashima N, Jozaki H, Numano T, Shimizu T, Shimomura M, Sasaki F, Fujiki T, Nakashima T, Toyoda K, Hoshi H, Sakusabe T, Naito Y, Kawaguchi K, Watanabe H, Tani S. SS-MIX: A Ministry Project to Promote Standardized Healthcare Information Exchange. Methods Inf Med 2018; 50:131-9. [PMID: 21206962 DOI: 10.3414/me10-01-0015] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2010] [Accepted: 08/29/2010] [Indexed: 11/09/2022]
Abstract
Summary
Objectives: To promote healthcare information exchange between providers and to allow hospital information systems (HIS) export information in standardized format (HL7 and DICOM) in an environment of widespread legacy systems, which only can export data in proprietary format.
Methods: Through the Shizuoka prefecture EMR project in 2004–2005, followed by the ministry’s SS-MIX project, many software products have been provided, which consist of 1) a standardized storage to receive HL7 v2.5 mes sages of patient demographics, prescription orders, laboratory results, and diagnostic disease in ICD-10, 2) a referral letter creation system, 3) a formatted document creation system, 4) a progress note/nursing record system, and 5) an archive/viewer to incorporate incoming healthcare data CD and allow users to view on HIS terminal. Meanwhile, other useful applications have been produced, such as adverse event reporting and clinical information retrieval. To achieve the above-mentioned objectives, these software products were created and propagated, because users can use these software products, provided that their HIS can export the above information to the standardized storage in HL7 v2.5 format.
Results: In 20 hospitals of Japan, the standardized storage has been installed and some applications have been used. As major HIS vendors are shipping HIS with HL7 export function since 2007, HIS of 594 hospitals in Japan became capable of exporting data in HL7 v2.5 format (as of March 2010).
Conclusions: In high CPOE installation rate (85% in 400+ bed hospitals), though most of them only capable of exporting data in proprietary format, prefecture and ministry projects were effective to promote healthcare information exchange between providers. The standardized storage became an infrastructure for many useful applications, and many hospitals started using them. Ministry designation of proposed healthcare standards was effective so as to allow vendors to conform their products, and users to install them.
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Chen CC, Yamada T, Nakashima T, Chiu IM. Substitution of Formal and Informal Home Care Service Use and Nursing Home Service Use: Health Outcomes, Decision-Making Preferences, and Implications for a Public Health Policy. Front Public Health 2017; 5:297. [PMID: 29226119 PMCID: PMC5705626 DOI: 10.3389/fpubh.2017.00297] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Accepted: 10/25/2017] [Indexed: 11/22/2022] Open
Abstract
Objectives The purposes of this study are: (1) to empirically identify decision-making preferences of long-term health-care use, especially informal and formal home care (FHC) service use; (2) to evaluate outcomes vs. costs based on substitutability of informal and FHC service use; and (3) to investigate health outcome disparity based on substitutability. Methodology and data The methods of ordinary least squares, a logit model, and a bivariate probit model are used by controlling for socioeconomic, demographic, and physical/mental health factors to investigate outcomes and costs based substitutability of informal and formal health-care use. The data come from the 2013 Japanese Study of Aging and Retirement (JSTAR), which is designed by Keizai-Sangyo Kenkyu-jo, Hitotsubashi University, and the University of Tokyo. The JSTAR is a globally comparable data survey of the elderly. Results There exists a complement relationship between the informal home care (IHC) and community-based FHC services, and the elasticity’s ranges from 0.18 to 0.22. These are reasonable results, which show that unobservable factors are positively related to IHC and community-based FHC, but negatively related to nursing home (NH) services based on our bivariate probit model. Regarding health-care outcome efficiency issue, the IHC is the best one among three types of elderly care: IHC, community-based FHC, and NH services. Health improvement/outcome of elderly with the IHC is heavier concentrated on IHC services than the elderly care services by community-based FHC and NH care services. Conclusion Policy makers need to address a diversity of health outcomes and efficiency of services based on providing services to elderly through resource allocation to the different types of long-term care. A provision of partial or full compensation for elderly care at home is recommendable and a viable option to improve their quality of lives.
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Tagaya M, Otake H, Suzuki K, Yasuma F, Yamamoto H, Noda A, Nishimura Y, Sone M, Nakashima T, Nakata S. The comparison of nasal surgery and CPAP on daytime sleepiness in patients with OSAS. Rhinology 2017; 55:269-273. [PMID: 28865140 DOI: 10.4193/rhin17.026] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
OBJECTIVE Residual sleepiness after continuous positive airway pressure (CPAP) is a critical problem in some patients with obstructive sleep apnea syndrome (OSAS). However, nasal surgery is likely to reduce daytime sleepiness and feelings of unrefreshed sleep. The aim of this study is to clarify the effects of nasal surgery and CPAP on daytime sleepiness. METHODOLOGY This is a retrospective and matched-case control study. The participants were consecutive 40 patients with OSAS who underwent nasal surgery (Surgery group) and 40 matched patients who were treated with CPAP (CPAP group). RESULTS In the Surgery group, although the nasal surgery did not decrease either apnea or hypopnea, it improved oxygenation, the quality of sleep. In the CPAP Group, the CPAP treatment reduced apnea and hypopnea, and improved oxygenation, quality of sleep. The degree of relief from daytime sleepiness was different between the two groups. The improvement of Epworth Sleepiness Scale was more significant in the Surgery Group than those in the CPAP Group (Surgery from 11.0 to 5.1, CPAP from 10.0 to 6.2). DISCUSSION These findings suggest that the results of the nasal surgery is more satisfactory for some patients with OSAS than CPAP on daytime sleepiness.
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Miki K, Saito A, Nakashima T, Nagata Y. The Planning Configurations Optimization for Treatment Planning of VMAT With Design of Experiments. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.2283] [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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Usami S, Kataoka Y, Nakano H, Nakashima T, Kawakami S, Fujino M, Nakao K, Nagai T, Nishihira K, Kanaya T, Tahara Y, Asaumi Y, Noguchi T, Goto Y, Yasuda S. P639Triglyceride associated with cholesterol crystallization of atheroma in patients with coronary artery disease who received a statin: optical coherence tomographic analysis. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx501.p639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Takasugi N, Goto H, Verrier R, Takasugi M, Kuwahara T, Nakashima T, Kubota T, Kawasaki M, Nishigaki K, Minatoguchi S. P5503Effect of beta-blockade on quantitative microvolt T-wave alternans measured in 24-hour continuous 12-lead ECGs in patients with long QT syndrome. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p5503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Tsuda K, Kataoka Y, Nishikawa R, Doi T, Nakashima T, Kawakami S, Fujino M, Nakao K, Nishihira K, Kanaya T, Tahara Y, Asaumi Y, Noguchi T, Goto Y, Yasuda S. P6236Clinical characteristics and cardiovascular outcomes in subjects who developed acute myocardial infarction despite statin therapy. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p6236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Nakashima T, Kubota T, Kawaguchi T, Nawa T, Hayakawa Y, Watanabe T, Tanaka T, Takasugi N, Iwasa M, Yamada Y, Kanamori H, Ushikoshi H, Kawasaki M, Nishigaki K, Minatoguchi S. P6140Impact of the pulmonary vein orifice area assessed by intracardiac echocardiography on the outcome of pulmonary vein isolation for atrial fibrillation. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p6140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Sawada K, Kawakami S, Tahara Y, Nakashima T, Nishihira K, Kanaya T, Kataoka Y, Asaumi Y, Noguchi T, Yasuda S. P2780Clinical utility of echocardiography to predict successful weaning from percutaneous veno-arterial extracorporeal membrane oxygenation in patients with cardiogenic shock or cardiac arrest. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p2780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Nakashima T, Young Y, Hsu W. DO NURSING HOME RESIDENTS WITH DEMENTIA RECEIVE PAIN ASSESSMENTS AND INTERVENTIONS? Innov Aging 2017. [DOI: 10.1093/geroni/igx004.4614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Nakashima T. REVIEW OF JAPAN’S INTEGRATED COMMUNITY CARE, IMPACTS AND CHALLENGES IN SUPPORTING AGING IN PLACE. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Fukushima-Nakayama Y, Ono T, Hayashi M, Inoue M, Wake H, Ono T, Nakashima T. Reduced Mastication Impairs Memory Function. J Dent Res 2017. [PMID: 28621563 DOI: 10.1177/0022034517708771] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Mastication is an indispensable oral function related to physical, mental, and social health throughout life. The elderly tend to have a masticatory dysfunction due to tooth loss and fragility in the masticatory muscles with aging, potentially resulting in impaired cognitive function. Masticatory stimulation has influence on the development of the central nervous system (CNS) as well as the growth of maxillofacial tissue in children. Although the relationship between mastication and cognitive function is potentially important in the growth period, the cellular and molecular mechanisms have not been sufficiently elucidated. Here, we show that the reduced mastication resulted in impaired spatial memory and learning function owing to the morphological change and decreased activity in the hippocampus. We used an in vivo model for reduced masticatory stimuli, in which juvenile mice were fed with powder diet and found that masticatory stimulation during the growth period positively regulated long-term spatial memory to promote cognitive function. The functional linkage between mastication and brain was validated by the decrease in neurons, neurogenesis, neuronal activity, and brain-derived neurotrophic factor (BDNF) expression in the hippocampus. These findings taken together provide in vivo evidence for a functional linkage between mastication and cognitive function in the growth period, suggesting a need for novel therapeutic strategies in masticatory function-related cognitive dysfunction.
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Nakashima T, Tanimura A, Nakashima A. Experimental morphologic study about insudation and “clearance” of blood plasma in the human aortic wall. Clin Hemorheol Microcirc 2016. [DOI: 10.3233/ch-1982-21-213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Nakashima T, Ohashi Y, Oki S, Saito R, Koido K, Ogawa C, Sato N, Seto K, Negishi Y, Kondo N, Kikuchi M, Yokoyama A, Ueno H, Koinuma M, Yachi Y, Terakado H. 349P A retrospective multicenter survey of hepatitis B virus infection (HBV) screening and HBV-DNA monitoring in patients receiving hematopoietic stem cell transplantation and rituximab-based chemotherapy. Ann Oncol 2016. [DOI: 10.1016/s0923-7534(21)00507-x] [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] Open
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Nakashima T, Ohashi Y, Oki S, Saito R, Koido K, Ogawa C, Sato N, Seto K, Negishi Y, Kondo N, Kikuchi M, Yokoyama A, Ueno H, Koinuma M, Yachi Y, Terakado H. 349P A retrospective multicenter survey of hepatitis B virus infection (HBV) screening and HBV-DNA monitoring in patients receiving hematopoietic stem cell transplantation and rituximab-based chemotherapy. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw586.018] [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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Okumura T, Nakashima T, Aita M, Ochi Y, Kawahara D, Masuda H, Hioki K, Ohno Y, Saito A, Nagata Y. Verification of Mechanical and Dosimetric Accuracy for Head and Neck Volumetric Modulated Arc Therapy With Jaw Tracking. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.2226] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Imano N, Nishibuchi I, Kimura T, Nakashima T, Okumura T, Murakami Y, Nagata Y. Impact of Expiratory Tumor Motion Patterns on Dose-Volume Histogram in Treatment Phase Selection of Respiratory Gating Radiation Therapy for Lung Cancer. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.2225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Kimura T, Nakashima T, Saito A, Takeuchi Y, Takahashi I, Nishibuchi I, Murakami Y, Nishio T, Nagata Y. Combined Ventilation and Perfusion Imaging Correlates With the Dosimetric Parameters of Radiation Pneumonitis in Radiation Therapy Planning for Lung Cancer. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Zhang W, Nakashima T, Sakai N, Yamada H, Okano Y, Nozawa Y. Activation of phosphoipase D by platelet-derived growth factor (PDGF) in rat C6 glioma cells: Possible role in mitogenic signal transduction. Neurol Res 2016; 14:397-401. [PMID: 1362254 DOI: 10.1080/01616412.1992.11740092] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
The effects of platelet-derived growth factor (PDGF) on phospholipase D (PLD) activity and deoxyribonucleic acid (DNA) synthesis in rat C6 glioma cells have been investigated. Pretreatment of serum-starved C6 cells with PDGF results in enhanced choline production and the phosphatidylethanol (PEt) formation in the presence of ethanol, indicating the activation of PLD acting on phosphatidylcholine (PC). The dose-response curve for choline generation and DNA synthesis were comparable. In addition, the effects of PDGF on both PEt formation and [3H]thymidine incorporation into acid-precipitable material was blocked by the potent protein kinase C (PKC) inhibitor 1-(5-isoquinolinesulphonyl)-2-methylpiperazine (H-7) but not by N-(2-guanidinoethyl)-5-isoquinolinesulphonamide (HA1004), a relatively weak inhibitor of PKC, suggesting that PDGF plays an important role as a positive regulator of glioma cell growth via a PLD-mediated mitogenic signal transduction cascades, which depends largely on the activation of PKC.
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Fulimoto T, Maeda H, Kubo K, Sugita Y, Nakashima T, Sato E, Tanaka Y, Madachi M, Aiba M, Kameyama Y. Enhanced Anti-tumour Effect of Cisplatin with Low-voltage Electrochemotherapy in Hamster Oral Fibrosarcoma. J Int Med Res 2016; 33:507-12. [PMID: 16222883 DOI: 10.1177/147323000503300505] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The aim of this study was to determine the effects of low-voltage electrochemotherapy with intraperitoneal cisplatin on hamster oral fibrosarcoma. Oral fibrosarcoma was transplanted sub-mucosally into the cheek pouch mucosa of 100 hamsters. After transplantation, the hamsters were randomly divided into four equal groups. These groups received no treatment (D-E-); 2 mg/kg body weight cisplatin treatment without electroporation (D+E-); electroporation without cisplatin treatment (D-E+);or 2 mg/kg body weight cisplatin treatment followed by electroporation (D+E+). Electrical pulse treatment together with cisplatin injection markedly reduced the size of the tumour, whereas cisplatin injection or electrical pulse treatment alone did not. These results clearly indicate that the anti-tumour effect of cisplatin on hamster oral fibrosarcoma was considerably potentiated or enhanced by the administration of local electrical pulses at low voltages.
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Kawahara D, Ozawa S, Saito A, Nishio T, Hioki K, Masuda H, Okumura T, Ochi Y, Nakashima T, Suzuki T, Tanaka S, Ohno Y, Nagata Y. SU-F-T-630: Energy Spectral Study On Lipiodol After Trans-Arterial Chemoembolization Using the Flattened and Unflattened Photon Beams. Med Phys 2016. [DOI: 10.1118/1.4956815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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