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Recent advances in pharmacologic study of anticancer natural products from medicinal plants in Morocco

  • Bnouham, Mohamed
    • CELLMED
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    • v.2 no.3
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    • pp.22.1-22.9
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    • 2012
  • The aim of this study is to collate all available data on experiments reporting the antiproliferative, cytotoxic effects of plants and natural products in Morocco in the last two decades. A bibliographic investigation was carried out by analyzing recognized books and peer-reviewed papers, consulting worldwide accepted scientific databases (Scirus, Embase, HighWire, MEDLINE/PubMed, LILACS, Ovid, ScienceDirect, SciELO, Google Scholar). We used medical subject heading terms and the words 'anticancer', 'antiproliferative', 'antineoplastic', 'antitumoral', 'cytotoxic', 'Morocco', to identify relevant articles. Moroccan plants with attributed anti-cancer properties studied as plant extracts that have been evaluated for cytotoxic effects, antitumoral effects, plants with active compounds tested on cancer cell lines, and plants with active compounds that have been assayed on animal models were chosen for this research. In the present study, interest is focused on experimental research conducted on medicinal plants, particularly those which show antiproliferative or cytotoxic activities alongside bioactive components. A total of 20 plant species belonging to 12 families have been identified as active or promising sources of phytochemicals with antiproliferative properties. The plant families, which cover all the species studied in this field, are Lamiaceae (7 species) and Asteraceae (4 species); the most studied species being Argania spinosa (Sapotaceae) and Arisarum vulgare (Araceae), Thymus Genus (Labiateae) and Peganum harmala (Zygophyllaceae). Based on the search results, it is recommended to increase the number of experimental studies and to begin conducting clinical trials with Moroccan plants and their active compounds selected by in vitro and in vivo activities.

Students' Reinvention of Derivative Concept through Construction of Tangent Lines in the Context of Mathematical Modeling (수학적 모델링 과정에서 접선 개념의 재구성을 통한 미분계수의 재발명과 수학적 개념 변화)

  • Kang, Hyang Im
    • School Mathematics
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    • v.14 no.4
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    • pp.409-429
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    • 2012
  • This paper reports the process two 11th grade students went through in reinventing derivatives on their own via a context problem involving the concept of velocity. In the reinvention process, one of the students conceived a tangent line as the limit of a secant line, and then the other student explained to a peer that the slope of a tangent line was the geometric mean of derivative. The students also used technology to concentrate on essential thinking to search for mathematical concepts and help visually understand them. The purpose of this study was to provide meaningful implications to school practices by describing students' process of reinvention of derivatives. This study revealed certain characteristics of the students' reinvention process of derivatives and changes in the students' thinking process.

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Current Issues and their Solutions in the Leisure Sports Tourism Industry

  • Dong-Ho SEONG
    • The Journal of Industrial Distribution & Business
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    • v.15 no.6
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    • pp.9-15
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    • 2024
  • Purpose: The primary aim of this study is to investigate the current issues in the leisure sports tourism and propose viable solutions based on a comprehensive review of existing literature. The specific objectives are to: (1) Identify the key challenges facing the leisure sports tourism industry. (2) Analyze the impact of these challenges on the industry's growth and sustainability. (3) Review and synthesize existing research to propose evidence-based solutions. Research design, data and methodology: The preliminary search yielded an extensive list of articles. These articles underwent a rigorous screening process based on their titles and abstracts. The inclusion criteria were: (1) studies focused specifically on the leisure sports tourism industry, (2) empirical research providing data on the identified issues, and (3) peer-reviewed journal articles. Results: The leisure sports tourism industry faces several pressing issues requiring effective solutions to ensure sustainability and growth. This section provides four critical solutions addressing the identified challenges: environmental sustainability, infrastructure and facility management, seasonality and economic impact, and health and safety concerns. Conclusions: The findings highlight several actionable solutions to the current issues faced by the leisure sports tourism industry. This industry can achieve a more stable and sustainable growth trajectory by addressing environmental sustainability, infrastructure and facility management, seasonality, and health and safety concerns.

Cost-based Optimization of Composite Web Service Executions Using Intensional Results (내포 결과를 이용한 복합 웹 서비스 실행의 비용 기반 최적화)

  • Park, Chang-Sup
    • Journal of KIISE:Databases
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    • v.33 no.7
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    • pp.715-726
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    • 2006
  • Web service technologies provide a standard means for interoperation and integration of heterogeneous applications distributed over the Internet. For efficient execution of hierarchically interacting composite web services, this paper proposes an approach to distribute web service invocations over peer systems effectively, exploiting intensional XML data embedding external service calls as a result of well services. A cost-based optimization problem on the execution of web services using intensional results was formalized, and a heuristic search method to find an optimal solution and a greedy algorithm to generate an efficient invocation plan quickly were suggested in this paper. Experimental evaluation shows that the proposed greedy algorithm provides near-optimal solutions in an acceptable time even for a large number of Web services.

Effects of Tai Chi on Fall Risk Factors: A Meta-Analysis (낙상 위험요인에 대한 타이치 운동 효과의 메타분석)

  • Park, Moonkyoung;Song, Rhayun
    • Journal of Korean Academy of Nursing
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    • v.43 no.3
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    • pp.341-351
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    • 2013
  • Purpose: This study was done to analyze the effects of Tai Chi on fall-related risk factors through meta-analysis of randomized clinical trials published in English and Korean between 2000 and 2010. Methods: Using health related database and hand search of references and Google, 28 randomized studies were collected from doctoral dissertation and published peer reviewed articles. The Comprehensive Meta-analysis version 2.0 was used for the analysis. Results: The effect sizes for Tai Chi for 3 months were significant with ES=0.54 for static balance, ES=0.24 for dynamic balance, ES=0.69 for balance measured by scale, and ES=0.40 for flexibility, ES=0.48 for muscle strength, ES=0.71 for ADL, and ES=0.37 for fear of falling. Also, the effect sizes of Tai Chi for 6 months were significant for most fall-related variables. The 6 month data for flexibility was not analyzed since only one study was published. Conclusion: The analysis of studies of randomized clinical trials indicate that Tai Chi is effective in improving balance, flexibility, muscle strength, activities of daily living, and fear of falling when applied for 3 or 6 months. The findings provide the objective evidence to apply Tai Chi as a fall preventive intervention.

Accuracy of c-KIT in lung cancer prognosis; a systematic review protocol" instead of c-KIT Expression in Lung Cancer Prognostic Evaluation - a Systematic Review Protocol

  • Roudi, Raheleh;Kalantari, Elham;Keshtkar, Abbas;Madjd, Zahra
    • Asian Pacific Journal of Cancer Prevention
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    • v.17 no.2
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    • pp.863-866
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    • 2016
  • Background: Extensive efforts have been made to investigate c-KIT expression in lung cancer specimens and its correlation with clinical outcomes, but the issue remains unresolved. Thus, this study will be conducted to clarify the prognostic value of c-KIT expression in lung cancer patients. Materials and Methods: We will search Pubmed, SCOPUS, and ISI web of sciences with no restriction of language. Studies with any design (except case reports or case series) evaluating correlations of c-KIT expression with survival or outcome in patients with lung cancer will be included. The outcome measures will include all types of survival indexes, including overall survival rate and disease free survival using Kaplan-Meier analysis and hazard ratios. Study selection and data extraction will be performed by two independent researchers. Quality assessment (assessment of risk of bias) and data synthesis will be implemented using Stata software version 11.1. Results: No ethical issues are predicted. These findings will be published in a peer-reviewed journal and presented at national and international conferences. Conclusions: This systematic review protocol is registered in the PROSPERO International Prospective Register of Systematic Reviews, registration number = CRD42015023391.

Maternal Health Effects of Internet-Based Education Interventions during the Postpartum Period: A Systematic Review (인터넷 기반 교육 중재가 산욕기 어머니 건강에 미치는 영향에 대한 체계적 고찰)

  • Chae, Jung Mi;Kim, Hyun Kyoung
    • Research in Community and Public Health Nursing
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    • v.32 no.1
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    • pp.116-129
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    • 2021
  • Purpose: This study aimed to investigate the maternal health effects of internet-based education interventions on parturients during the postpartum period through a systematic review of randomized controlled trials. Methods: An electronic literature search of the Cochrane Library, CINAHL, EMBASE, Eric, PsycINFO, PubMed, RISS, and KISS databases was performed, using the combination of keywords such as 'parenthood education', '*natal education', '*birth intervention', 'internet-based intervention', 'randomized controlled trial'. The inclusion criteria were peer-reviewed papers in English regarding randomized controlled trials of internet-based postnatal education interventions. Educational interventions were delivered through any web, mobile, eHealth, mHealth, virtual reality, short message service, or social networking service platform. Quality appraisal was performed using the Risk of Bias 2 (RoB 2) for randomized controlled trials. Nine articles were yielded, and the intervention effects were analyzed. Results: Internet-based education interventions during the postpartum period affect maternal self-efficacy, postpartum depression, and successive breastfeeding; however, they do not affect maternal satisfaction and parenting confidence. Conclusion: This study demonstrated that internet-based education interventions affect maternal health status in terms of psychological, emotional, and physical wellness. Therefore, maternal health care professionals can utilize remote education using the internet or mobile-based interventions during the postpartum period.

Techniques for dental implant nanosurface modifications

  • Pachauri, Preeti;Bathala, Lakshmana Rao;Sangur, Rajashekar
    • The Journal of Advanced Prosthodontics
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    • v.6 no.6
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    • pp.498-504
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    • 2014
  • PURPOSE. Dental implant has gained clinical success over last decade with the major drawback related to osseointegration as properties of metal (Titanium) are different from human bone. Currently implant procedures include endosseous type of dental implants with nanoscale surface characteristics. The objective of this review article is to summarize the role of nanotopography on titanium dental implant surfaces in order to improve osseointegration and various techniques that can generate nanoscale topographic features to titanium implants. MATERIALS AND METHODS. A systematic electronic search of English language peer reviewed dental literature was performed for articles published between December 1987 to January 2012. Search was conducted in Medline, PubMed and Google scholar supplemented by hand searching of selected journals. 101 articles were assigned to full text analysis. Articles were selected according to inclusion and exclusion criterion. All articles were screened according to inclusion standard. 39 articles were included in the analysis. RESULTS. Out of 39 studies, seven studies demonstrated that bone implant contact increases with increase in surface roughness. Five studies showed comparative evaluation of techniques producing microtopography and nanotopography. Eight studies concluded that osteoblasts preferably adhere to nano structure as compared to smooth surface. Six studies illustrated that nanotopography modify implant surface and their properties. Thirteen studies described techniques to produce nano roughness. CONCLUSION. Modification of dental osseous implants at nanoscale level produced by various techniques can alter biological responses that may improve osseointegration and dental implant procedures.

Moderated Mediation effect of Parenting Behaviors on the Relation between Deviant Peer's Influences and Delinquency in Adolescence (청소년 비행행동에 대한 부모양육행동과 비행친구집단간의 조절된 매개효과)

  • Lee, Sang-Gyun
    • Journal of the Korean Society of Child Welfare
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    • no.27
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    • pp.121-151
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    • 2008
  • The purpose of this study is to examine the moderated mediation effects of parenting functioning on the relations between deviant peer's influences and delinquent behaviors in adolescence. To investigate the moderated mediation effects, simple slope test and bootstrapping method based on multiple linear regression(MLR) model were used. This study used data from wave 1-2(2003-2004) of the Korea Youth Panel Survey(KYPS). Results showed that poorer parenting increased the probability that adolescents would affiliated with deviant peers, and more association with deviant peers, in turn, was related to delinquency. There was statistical significant interaction between affiliation with deviant peers and parenting in the model for delinquency. It implied that the relation between deviant peers and delinquency depends on the quality of parenting. Finally, indirect effect of earlier parenting on delinquent behavior through affiliation with deviant peers was moderated by later parenting. These results help clarify the conditions under which exposure to parenting behaviors can buffer the negative effect of deviant best friends on delinquent behaviors in adolescence. Practice and policy implications as well as further research topic were discussed to aid the search for highly effective preventive and treatment interventions.

Effects of Treadmill Training on Gait of Stroke Patients : A Systematic Review (트레드밀운동이 뇌졸중 환자의 걷기기능향상에 관한 문헌연구)

  • Kang, Kwon-Young;Ko, Tae-Sung
    • Journal of Korean Physical Therapy Science
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    • v.15 no.3
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    • pp.73-79
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    • 2008
  • Background : Treadmill training has been proposed as a useful adjunct to conventional physical therapy to restore ability to walk after stroke. The purpose of this study to inform clinical practise by evaluating the research evidence for the effectiveness of treadmill training after stroke. Methods : We searched to the effectiveness of any form of intervention for effect of treadmill training by Dankook University electronic library databases of Medline, Embase, Cinahl, Amed and PEDro combined with a hand search of papers published in relevant peer-reviewed journals. Any type of study relevant to the topic published in English during time period from 1980 to 2007 was included. Results : The literature search identified 35 studies. The included studies enrolled a total of 374 subjects. 1. Treadmill retraining without partial body weight support might be more effective than no treatment at improving gait velocity, get up and go time, gait endurance and step length symmetry. 2. Treadmill retraining with partial body weight support might be more effective than no treatment in improving step length symmetry, gait velocity, gait endurance and balance. 3. Treadmill retraining might be more effective with partial body weight support than without it at improving gait velocity and motor improvement as measured by The Stroke Rehabilitation Assessment of Movement(STREAM). 4. Treadmill retraining without partial body weight support may be no different from physiotherapy and increase gait velocity to conventional gait therapy. 5. Treadmill retraining with partial body weight support may be no different from physiotherapy for gait velocity, motor recovery and balance. Conclusion The review suggests that although treadmill training of gait, especially with partial body weight support, might Improve gait parameters and functional mobility, unless treadmill training is directed at Improving gait speed it might be no more effective than conventional physical therapy at improving gait parameters.

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