72 research outputs found

    Socioeconomic Status Index to Interpret Inequalities in Child Development

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    How to Cite This Article: Ahmadi Doulabi M, Sajedi F, Vameghi R, Mazaheri MA, Akbarzadeh Baghban AR. Socioeconomic Status Index to Interpret Inequalities in Child Development. Iran J Child Neurol. Spring 2017; 11(2):13-25.AbstractObjectiveThere have been contradictory findings on the relationship between Socioeconomic Status (SES) and child development although SES is associated with child development outcomes. The present study intended to define the relationship between SES and child development in Tehran kindergartens, Iran.Materials & Methods This cross-sectional survey studied 1036 children aged 36-60 month, in different kindergartens in Tehran City, Iran, in 2014-2015.The principal factor analysis (PFA) model was employed to construct SES indices. The constructed SES variable was employed as an independent variable in logistic regression model to evaluate its role in developmental delay as a dependent variable.Results The relationship between SES and developmental delay was significant at P=0.003. SES proved to have a significant (P<0.05) impact on developmental delay, both as an independent variable and after controlling risk factors.Conclusion There should be more emphasis on developmental monitoring and appropriate intervention programs for children to give them higher chance of having a more productive life.  1. Haghdoost AA. Complexity of the Socioeconomic Status and its Disparity as a Determinant of Health. Int J Prev 2012; 3(2):75. 2. Behavioral and social sciences research. Measuring Socioeconomic Status. e-Source 2013; Available from:http://www.esourceresearch.org 3. Bradley RH, Corwyn RF. Socioeconomic status and child development. Annu Rev Psychol 2002;53(1):371-99. 4. de Moura DR, Costa JC, Santos IS, Barros AJ, Matijasevich A, Halpern R, et al. Risk factors for suspected developmental delay at age 2 years in a Brazilian birth cohort. Paediatr Perinat Epidemiol 2010;24(3):211-21. 5. Feinstein L. Inequality in the early cognitive development of British children in the 1970 cohort. Economica 2003;70(277):73-97. 6. Anderson LM, Shinn C, Fullilove MT, Scrimshaw SC, Fielding JE, Normand J, et al. The effectiveness of early childhood development programs: A systematic review. Am J Prev Med 2003;24(3):32-46. 7. Health CoSDo. Early child development: a powerful equalizer: final report for the World Health Organization’s Commission on the Social Determinants of Health. 2007. 8. Sadock BJ, Sadock VA. Kaplan and Sadock’s synopsis of psychiatry: Behavioral sciences/clinical psychiatry: Lippincott Williams & Wilkins; 2011. 9. Vameghi R, Hatamizadeh N, Sajedi F, Shahshahanipoor S, Kazemnejad A. Production of a native developmental screening test: the Iranian experience. Child Care Health Dev 2010;36(3):340-5. 10. Radomski MV, Latham CAT. Occupational therapy for physical dysfunction: Lippincott Williams & Wilkins; 2008.P.197. 11. Myers K.M. & Collett B. Psychiatric Rating Scales, In: Cheng K. & Myers K.M. Child and Adolescent Psychiatry, Lippincott Williams & Wilkins, Baltimore, Maryland: The Essentials; 2007 .P.17-40. 12. Siddiqi A, Hertzman E, Irwin LG, Hertzman C. Early child development: A powerful equalizer. Improving equity in health by addressing social determinants. 2012:115-141. Avaliable from : www.who.int 13. Marmot M, Friel S, Bell R, Houweling TA, Taylor S, Health CoSDo. Closing the gap in a generation: health equity through action on the social determinants of health. The Lancet 2008;372(9650):1661-9. 14. Commission on Social Determinants of Health. Closing the gap in a generation: health equity through action on the social determinants of health (final report). Geneva: World Health Organization, 2008. 15. Regalado M, Halfon N. Primary care services promoting optimal child development from birth to age 3 years: review of the literature. Arch Pediatr Adolesc Med 2001;155(12):1311-22.16. Kershaw P, Warburton B. A Comprehensive Policy Framework for Early Human Capital Investment in BC. 2009. Available from : www.vancouversun.com 17. Grantham-McGregor S, Cheung YB, Cueto S, Glewwe P, Richter L, Strupp B, et al. Developmental potential in the first 5 years for children in developing countries. The lancet 2007;369(9555):60-70. 18. Andraca Id, Pino P, La Parra Ad, Rivera F, Castillo M. Factores de riesgo para el desarrollo psicomotor en lactantes nacidos en óptimas condiciones biológicas. Rev Saude Publica 1998;32(2):138-47. 19. Lima M, Eickmann S, Lima A, Guerra M, Lira P, Huttly S, et al. Determinants of mental and motor development at 12 months in a low income population: a cohort study in northeast Brazil. Acta Paediatr 2004;93(7):969-75. 20. Walker SP, Wachs TD, Gardner JM, Lozoff B, Wasserman GA, Pollitt E, et al. Child development: risk factors for adverse outcomes in developing countries. The lancet 2007;369(9556):145-57. 21. Guo G, Harris KM. The mechanisms mediating the effects of poverty on children’s intellectual development. Demography 2000;37(4):431-47. 22. Chilton M, Chyatte M, Breaux J. The negative effects of poverty & food insecurity on child development. Indian J Med Res 2007;126(4):262. 23. Miller JE. Developmental screening scores among preschoolaged children: The roles of poverty and child health. J Urban Health 1998;75(1):135-52. 24. Glascoe FP. Early detection of developmental and behavioral problems. Pediatr Rev 2000;21(8):272-80. 25. Rydz D, Srour M, Oskoui M, Marget N, Shiller M, Birnbaum R, et al. Screening for developmental delay in the setting of a community pediatric clinic: a prospective assessment of parent-report questionnaires. J Pediatr 2006;118(4):e1178-e86. 26. Glascoe F. Early detection of developmental and behavioral problems. Pediatr Rev 2000;21(8):272-80. 27. Sajedi F, Vameghi R, Habibollahi A, Lornejad H, Delavar B. Standardization and validation of the ASQ developmental disorders screening tool in children of Tehran city. Tehran Univ Med J 2012;70(7). 28. Shahshahani S, Vameghi R, Azari N, Sajedi F, Kazemnejad A. Validity and Reliability Determination of Denver Developmental Screening Test-II in 0-6 Year– Olds in Tehran. Iran J Pediatr 2010;20(3):313. 29. Afraz F, Ahmadi M, Sajedi F, Akbarzadeh bagheban A. Development Status of 4-24 Months Children Born to Teenage Mothers Referred to Health Care Centers in Yasuj, 2013. YUMSJ 2015;20(3):253-63. 30. Shahshahani S, Vameghi R, Azari N, Sajedi F, Kazemnejad A. Comparing the Results of Developmental Screening of 4-60 Months Old Children in Tehran Using ASQ & PDQ. Iran Rehab J 2011;9:3-7. 31. Shaahmadi F, Khushemehri G, Arefi Z, Karimyan A, Heidari F. Developmental Delay and Its Effective Factors in Children Aged 4 to12 Months. Int J Pediatr 2015;3(1.1):396-402. 32. Karami K AL, Moridi F, Falah F, Bayat Z, Pourvakhshoori N. Evaluation criteria and factors associated with the development of one year old children in Khorramabad. J Pediatr Nurs 2015. 2015;1(3):57-64. 33. Dorre F, Fattahi Bayat G. Evaluation of children’s development (4-60mo) with history of NICU admission based on ASQ in Amir kabir Hospital, Arak. J Ardabil Univ Med Sci 2011;11(2):143-50. 34. Sajedi F,Doulabi M, Vameghi R, Baghban A, Mazaheri MA, Mahmodi Z, Ghasemi E. Development of Children in Iran: A Systematic Review andMeta-Analysis. Glob J Health Sci 2016; 8(8): 145–161. 35. Tervo RC. Identifying patterns of developmental delays can help diagnose neurodevelopmental disorders. Clin Pediatr (Phila) 2006;45(6):509-17. 36. Sajedi F, Vameghi R, Kraskian Mujembari A. Prevalence of undetected developmental delays in Iranian children. Child Care Health Dev 2014;40(3):379-88. 37. Spencer N. Social, economic, and political determinants of child health. Pediatrics 2003;112(Supplement 3):704- 6. 38. Rafiey H VM, Sajjadi H, Ghaed, Amini Gh. Family Income and Child Health in Iran: Recognition of Intermediary Variables’ Role using Sructured Equation Models. Hakim Res J 2015(3).2010-2014 39. Poon JK, Larosa AC, Pai GS. Developmental delay: timely identification and assessment. Indian Pediatr 2010;47(5):415-22. 40. Conger RD, Conger KJ, Martin MJ. Socioeconomic status, family processes, and individual development. J Marriage Fam 2010;72(3):685-704. 41. Sajedi F, Vameghi R, Mohseni Bandpei MA et al. Motor developmental delay in 7500 Iranian infants: Prevalence and risk factors. Iran J Child Neurol 2009;3(3):43-50. 42. Potijk MR, Kerstjens JM, Bos AF, Reijneveld SA, de Winter AF. Developmental delay in moderately preterm-born children with low socioeconomic status: risks multiply. J Pediatr 2013;163(5):1289-95. 43. Brooks-Gunn J, Duncan GJ. The effects of poverty on children. Future Child 1997:55-71. 44. CatL-TEoP. Children and the Long-Term Effects of Poverty. The connecticut commission on children. 2004. June .Available from :https://www.cga.ct.gov. 45. Komro KA, Flay BR, Biglan A, Consortium PNR. Creating nurturing environments: A science-based framework for promoting child health and development within high-poverty neighborhoods. Clin Child Fam Psychol Rev 2011;14(2):111-34. 46. Canadian Institute for Health Information and Canadian Population Health Initiative,. Improving the Health of Canadians. Summary Report [electronic Resource]. Canadian Institute for Health Information.2004. Available from :https://www.cihi.ca 47. Evans GW. The environment of childhood poverty. Am Psychol. 2004;59(2):77.92 48. Elbers J, Macnab A, McLeod E. Article originale. Can J Rural Med 2008;13(1).9-14 49. Richter J, Janson H. A validation study of the Norwegian version of the Ages and Stages Questionnaires. Acta Paediatr 2007;96(5):748-52. 50. Glascoe FP. Screening for developmental and behavioral problems. Ment Retard Dev Disabil Res Rev 2005;11(3):173-9. 51. Squires J, Bricker D, Potter L. Revision of a parent-completed developmental screening tool: Ages and Stages Questionnaires. J Pediatr Psychol 1997;22(3):313- 28. 52. Lindsay NM, Healy GN, Colditz PB, Lingwood BE. Use of the Ages and Stages Questionnaire to predict outcome after hypoxic - ischaemic encephalopathy in the neonate. J Paediatr Child Health 2008;44(10):590-5. 53. Yu LM, Hey E, Doyle LW, Farrell B, Spark P, Altman DG, et al. Evaluation of the Ages and Stages Questionnaires in identifying children with neurosensory disability in the Magpie Trial follow - up study. Acta Paediatr 2007;96(12):1803-8. 54. Vameghi R, Sajedi F, Mojembari AK, Habiollahi A, Lornezhad HR, Delavar B. Cross-cultural adaptation, validation and standardization of Ages and Stages Questionnaire (ASQ) in Iranian children. Iran J Public Health 2013;42(5):522. 55. Fukuda Y, Nakamura K, Takano T. Municipal socioeconomic status and mortality in Japan: sex and age differences, and trends in 1973–1998. Soc Sci Med 2004;59(12):2435-45. 56. Morasae EK, Forouzan AS, Majdzadeh R, Asadi-Lari M, Noorbala AA, Hosseinpoor AR. Understanding determinants of socioeconomic inequality in mental health in Iran’s capital, Tehran: a concentration index decomposition approach. Int J Equity Health 2012;11(1):1-13. 57. Rohani-Rasaf M, Moradi-Lakeh M, Ramezani R, Asadi- Lari M. Measuring socioeconomic disparities in cancer incidence in Tehran, 2008. SN:1513-7368 (Print); 1513- 7368 (Linking).Asian Pac J Cancer Prev 2012;13(6):2955- 60. 58. Moradi-Lakeh M, Ramezani M, Naghavi M. Equality in safe delivery and its determinants in Iran. Arch Iran Med 2007;10(4):446-51. 59. Krefis AC, Schwarz NG, Nkrumah B, Acquah S, Loag W, Sarpong N, et al. Principal component analysis of socioeconomic factors and their association with malaria in children from the Ashanti Region, Ghana. Malar J 2010;9(1):201. 60. Najafianzadeh M, Mobarak-Abadi A, Ranjbaran M, Nakhaei M. Relationship between the Prevalence of Food Insecurity and Some Socioeconomic and Demographic Factors in the Rural Households of Arak, 2014.Iran J Nutr Sci Food Technol 2015;9(4):35-44. 61. de Onis M, Blössner M, Villar J. Levels and patterns of intrauterine growth retardation in developing countries. Eur J Clin Nutr 1998;52:S5-15. 62. Paiva GSd, Lima ACVMd, Lima MdC, Eickmann SH. The effect of poverty on developmental screening scores among infants. Sao Paulo Med J 2010;128(5):276-83. 63. Najman JM, Aird R, Bor W, O’Callaghan M, Williams GM, Shuttlewood GJ. The generational transmission of socioeconomic inequalities in child cognitive development and emotional health. Soc Sci Med 2004;58(6):1147-58. 64. Evans GW, Kim P. Childhood poverty and health cumulative risk exposure and stress dysregulation. Soc Sci Med 2007;18(11):953-7. 65. Duncan GJ, Brooks-Gunn J. Consequences of growing up poor: Russell Sage Foundation; 1999.p . 132-189. 66. Duncan GJ, Yeung WJ, Brooks-Gunn J, Smith JR. How much does childhood poverty affect the life chances of children? Am Sociol Rev 1998:406-23. 67. Aber JL, Jones S, Cohen J. The impact of poverty on the mental health and development of very young children. 2nd ed. New York, NY, US: Guilford Press; 2000. p. 113- 128. 68. Stein AD, Behrman JR, DiGirolamo A, Grajeda R, Martorell R, Quisumbing A, et al. Schooling, educational achievement, and cognitive functioning among young Guatemalan adults. Food & Nutrition Bulletin 2005;26(Supplement 1):46S-54S. 69. Sigman M, McDonald MA, Neumann C, Bwibo N. Prediction of cognitive competence in Kenyan children from toddler nutrition, family characteristics and abilities. J Child Psychol Psychiatry 1991;32(2):307-20. 70. Paxson C, Schady N. Cognitive development among young children in Ecuador the roles of wealth, health, and parenting. J Hum Resour 2007;42(1):49-84. 71. Hart B, Risley TR. Meaningful differences in the everyday experience of young American children: Paul H Brookes Publishing Meaningful differences in the everyday experience of young American children; 1995. 268. p 72. Lejarraga H, Pascucci MC, Krupitzky S, Kelmansky D, Bianco A, Martínez E, et al. Psychomotor development in Argentinean children aged 0–5 years. Paediatr Perinat Epidemiol 2002;16(1):47-60. 73. Najman J, Bor W, Morrison J, Andersen M, Williams G. Child developmental delay and socio-economic disadvantage in Australia: a longitudinal study. Soc Sci Med 1992;34(8):829-35. 74. Nicholson JM, Lucas N, Berthelsen D, Wake M. Socioeconomic inequality profiles in physical and developmental health from 0–7 years: Australian National Study. J Epidemiol Community Health 2010:jech. 2009.103291. 75. Berger SE, Theuring C, Adolph KE. How and when infants learn to climb stairs. Infant Behav Dev 2007;30(1):36-49. 76. Sajedi F, Barati H. The effect of Perceptual Motor Training on Motor Skills of preschool children.Iran Rehab J 2014;12(19):30-40. 77. Eickmann SH, Lima AC, Guerra MQ, Lima MC, Lira PI, Huttly SR, et al. Improved cognitive and motor development in a community-based intervention of psychosocial stimulation in northeast Brazil. Dev Med Child Neurol 2003;45(08):536-41. 78. Garrett P, Ng’andu N, Ferron J. Poverty experiences of young children and the quality of their home environments. Child Dev 1994;65(2):331-45. 79. Walker SP, Chang SM, Powell CA, Grantham-McGregor SM. Effects of early childhood psychosocial stimulation and nutritional supplementation on cognition and education in growth-stunted Jamaican children: prospective cohort study. The Lancet 2005;366(9499):1804-7. 80. Thompson RA, Nelson CA. Developmental science and the media: Early brain development.Am Psychol 2001;56(1):5. 81. Jednoróg K, Altarelli I, Monzalvo K, Fluss J, Dubois J, Billard C, et al. The influence of socioeconomic status on children’s brain structure. PLoS One 2012;7(8):e42486. 82. Hackman DA, Farah MJ. Socioeconomic status and the developing brain. Trends Cogn Sci 2009;13(2):65-73. 83. Otero GA. Poverty, cultural disadvantage and brain development: a study of pre-school children in Mexico. Electroencephalogr Clin Neurophysiol 1997;102(6):512- 6. 84. Otero G, Pliego-Rivero F, Fernández T, Ricardo J. EEG development in children with sociocultural disadvantages: a follow-up study. Clin. Neurophysiol 2003;114(10):1918-25. 85. Hackman DA, Farah MJ, Meaney MJ. Socioeconomic status and the brain: mechanistic insights from human and animal research. Nat Rev Neurosci 2010;11(9):651-9. 86. Hamadani J, Grantham-McGregor S. Report of the family care indicators project: Validating the family psychosocial indicators in rural Bangladesh. Report to UNICEF Early Child Development Desk. 2004.87. Baker-Henningham H, Powell C, Walker S, Grantham- McGregor S. Mothers of undernourished Jamaican children have poorer psychosocial functioning and this is associated with stimulation provided in the home. Eur J Clin Nutr 2003;57(6):786-92. 88. Paxson CH, Schady NR. Cognitive development among young children in Ecuador: the roles of wealth, health and parenting: World Bank Policy Research Working, 2005 May. Paper 3605 Available from : http://econ.worldbank. org . 89. Foster MA, Lambert R, Abbott-Shim M, McCarty F, Franze S. A model of home learning environment and social risk factors in relation to children’s emergent literacy and social outcomes. Early Child Res Q 2005;20(1):13-36. 90. Evans GW. A multimethodological analysis of cumulative risk and allostatic load among rural children. Dev Psychol 2003;39(5):924. 91. Lupien SJ, King S, Meaney MJ, McEwen BS. Can poverty get under your skin? Basal cortisol levels and cognitive function in children from low and high socioeconomic status. Dev Psychopathol 2001;13(03):653-76. 92. McEwen BS, Gianaros PJ. Stress-and allostasis-induced brain plasticity. Annu Rev Med 2011;62:431. 93. Blair C. Stress and the Development of Self-Regulation in Context. Child Dev Perspect 2010;4(3):181-8. 94. Liston C, McEwen B, Casey B. Psychosocial stress reversibly disrupts prefrontal processing and attentional control. Proc Natl Acad Sci 2009;106(3):912-7. 95. Lupien SJ, Maheu F, Tu M, Fiocco A, Schramek TE. The effects of stress and stress hormones on human cognition: Implications for the field of brain and cognition.Brain Cogn 2007;65(3):209-37. 96. McEwen BS, Gianaros PJ. Central role of the brain in stress and adaptation: links to socioeconomic status, health, and disease. Ann N Y Acad Sci 2010;1186(1):190- 222. 97. Jack S, Philips D. From neurons to neighborhoods: The science of early childhood development. National Academy Press Washington, DC; press; 2000.p.289. 98. Sajedi F, Alizad V, Malekkhosravi G, Karimlou M, Vameghi R. Depression in mothers of children with cerebral palsy and its relation to severity and type of cerebral palsy. Acta Med Iranica 2010;48(4):250-4. 99. Murray L, Cooper PJ. Effects of postnatal depression on infant development. Arch Dis Child 1997;77(2):99-101. 100. Evans GW, Boxhill L, Pinkava M. Poverty and maternal responsiveness: The role of maternal stress and social resources. Int J Behav Dev 2008;32(3):232-7. 101. DiPietro JA. Baby and the brain: Advances in child development. Annu Rev Public Health 2000;21(1):455- 71. 102. Evans GW. Child development and the physical environment. Annu Rev Psychol 2006;57:423-51. 103. McKenzie DJ. Measuring inequality with asset indicators. J Popul Econ 2005;18(2):229-60. 104. Ranjbaran M, Soori H, Etemad K, Khodadost M. Relationship between Socioeconomic Status and Health Status and Application of Principal Component Analysis. Journal of Jiroft University of Medical Sciences 2014;1(1):9-19. 105. Kolenikov S, Angeles G. Socioeconomic status measurement with discrete proxy variables: Is principal component analysis a reliable answer?Rev Income Wealth 2009;55(1):128-65

    Health related quality of life in family caregivers of patients suffering from mental disorders

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    Introduction: In the light of the advances in treatment measures and early discharge of patients with mental disorders from psychiatric hospitals, families play important role in caring for such patients. Aim: The aim of this study is to determine the Quality of Life (QoL) of the family caregivers of patients with mental disorders. Materials and Methods: This cross-sectional study was conducted in teaching health care centers affiliated with medical universities in Tehran, Iran. Sampling was conducted by convenience random technique. Participants were 238 family caregivers of mental disorder patients and the Short-Form Health Survey Questionnaire was used to gather data. The data were analyzed by Spearman’s correlation, t-test and ANOVA in SPSS 18.0. Results: The women’s mean QoL was lower than the men’s. Regarding family relationship with the patients, the lowest QoL was observed among the mothers. There was a significant relationship between the caregivers QoL and economic status, the caregivers gender, family relationship with the patients and the patients’ gender (p<0.05). Conclusion: The caregivers of mental disorder patients have lower QoL compared with general population. Appropriately developed plans should be implemented to improve QoL among the family caregivers of these patients

    Drug-related Atrioventricular Block: Is It a Benign Condition?

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    Introduction: Prognosis of the patients with beta blocker or calcium channel blocker induced AV block is not well known to date.Methods: All patients with symptomatic second-degree or third-degree atrioventricular block (AV) referred to our institution during one year were recuited prospectively and classified in two groups based on drug consumption (beta blocker/calcium channel blocker versus none). They were followed for six months and then collected data was analyzed.Results: The study included 49 patients, 28 patients (age 60.1 ± 20, 19 male) did not use any beta blocker or calcium channel blocker (No- DU group) and other 21 patients (age 73.5 ± 10.4, 7 male) receivd beta blocker, calcium channel blocker or both at the time of AV block (DU group). No-DU group was significantly younger than DU group. The most common atrial rhythm in both groups was sinus. There was no significant difference in QRS wideness or ventricular rate. AV block regressed in 43% of the DU group after discontinuation of drug for five half-life, but, Mobitz type 2 or complete AV block occurred again during six months in 50% of them without  consumption of the culprit drug.Conclusions: More than two third of the patients who developed AV block on beta blocker and/or calcium channel blocker needed permanent pacemaker in six months of follow- up, so we concluded that the development of AV block was not as benign as it seems in these patients

    The Effect of Diabetes on Induced Pain of Formalin and Baclofen Analgesia in Rats

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    One of the side effects of dibetecs epidemics today in the world is painfulneuropathy, the reasons and treatments of which are unknown. Duo to the importance of problem of pain treatment as on of the harmful phenomena in life, this research studies the effect of continued diabetes on the formalin induced pain and baclofen analgesia in rats. Moreover the effect of baclofen as a non-opiate, analgesic drug on the increased pains in the quiescent phase as the model of diabetic pain is investigated. The method is experimental, evaluating the pain level through conducting the formalin test in 3 groups of rats. The first group was divided to control (injection normal salin) and diabetc (injection aloxan 100mg per kg) which were tested, after one to four weeks from the begining of diabetes, the second one was divided to a new control and diabetic group, and before performing formalin test, the baclofen(10mg per kg) was injected to them. And the third one was divided to two diabetics groups that received baclofen and normal salin and then the pain of the quiescent phase was compared in them. The results indicate that diabetes increases formalin induced pain and remained with continud diabetes. It also indicate that diabetes establishes increased pain in the quiscent phase , yet, it has had no influene  on the baclofen analgesic effect on the first phase of formalin test but increased it on the second phase. Moreover baclofen can quiet the increased pain in quiscent phase very well. Duo to the results of this study it seems that diabetes, with changes in the centeral and peripheral pathways of the pain and also pain control, increases the pain. More studies are required to determining its mechanisms. These changes are accompanied with weakening the internal antipain systems such as Gaba ergic, which can be treated with baclofen . Diabetes has no intraction with the baclofen  analgesics effect, so, baclofen may be recommended as an effective drug to comfort painful diabetic neurophathy.  

    Pegylated niosomal nanoparticles loaded with vincristine: Characterization and in vitro evaluation

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    Purpose: To investigate the effect of pegylated niosomal vincristine (VCR) on enhanced performance, drug resistance and prolonged blood circulation time.Methods: Pegylated niosomal VCR was synthesized by reverse phase evaporation. The mean diameter, size distribution, and zeta potential of pegylated niosomal VCR were evaluated using a Zetasizer. The half-maximal concentration (IC50) values of pegylated niosomal VCR and standard VCR were determined using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The impact of pegylated niosomal VCR on apoptosis and cell cycle of BCL1 lymphoma cancer cells were investigated.Results: The mean diameter, size distribution and zeta potential of pegylated niosomal VCR were 220 nm, 0.4, and –18.8 mV, respectively. Cell proliferation was evaluated using the MTT assay. The IC50 values of pegylated niosomal VCR and standard VCR were 1.6 and 3.5 μg/mL, respectively, after a 24-h incubation. The cytotoxicity of pegylated niosomal VCR was twice that of standard VCR. Furthermore, flow cytometric analysis of the cell cycle showed that pegylated niosomal VCR induced greater mitotic arrest than did standard VCR.Conclusions: The findings demonstrate the effective antitumor activity of pegylated niosomal VCR compared with standard VCR.Keywords: Niosome, Anti-tumour, Polyethylene glycol, Vincristine,   Encapsulation, Lymphom

    Cytokine Profiles and Cell Proliferation Responses to Truncated ORF2 Protein in Iranian Patients Recovered from Hepatitis E Infection

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    Background.The aim of this study was to evaluate hepatitis E virus (HEV) specific cellular immune responses to truncated ORF2 protein in Iranian patients recovered from HEV infection. Information about HEV-specific immune responses could be useful in finding an effective way for development of HEV vaccine. Methods. A truncated formof HEVORF2 protein containing amino acids 112-608 was used to stimulate peripheral blood mononuclear cells (PBMCs) separated from HEV-recovered and control groups. Finally, the levels of four cytokines, IFN

    Circulating levels of novel adipocytokines in patients with colorectal cancer

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    Objective: Adipocytokines have been reported to contribute to the pathogenesis of colorectal cancer (CRC). The aim of this matched case-control study was to explore circulating novel adipocytokines, such as serum visfatin, omentin-1 and vaspin levels in patients with CRC. Method: Serum visfatin, omentin-1, and vaspin levels were measured in 69 subjects (39 patients with colorectal cancer and 30 age- and sex-matched healthy controls) using enzyme-linked immunosorbent assay (ELISA) methods. Results: Compared with the controls, patients with CRC had significantly higher circulating omentin-1 (203.23 vs 9.12 ng/ml, p < 0.0001) visfatin (4.03 vs 2.01 ng/ml, p < 0.0001) and vaspin (0.54 vs 0.31 ng/ ml, p = 0.015) levels. After adjustment for covariates (age and body mass index), patients with CRC had significantly higher serum omentin-1 (p < 0.0001), visfatin (p < 0.0001), and vaspin (p = 0.040) levels than the control group. Furthermore, the results did not change when age and waist-to-hip ratio were considered as covariates in the general linear models. Conclusions: The observed higher levels of omentin-1, visfatin, and vaspin in patients with CRC, independent of measures of obesity, suggest that these adipocytokines may have a potential role in the development of CRC through mechanisms other than the indirect mechanisms that are active in the association between obesity and CRC

    Circulating levels of novel adipocytokines in patients with colorectal cancer

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    Objective: Adipocytokines have been reported to contribute to the pathogenesis of colorectal cancer (CRC). The aim of this matched case-control study was to explore circulating novel adipocytokines, such as serum visfatin, omentin-1 and vaspin levels in patients with CRC. Method: Serum visfatin, omentin-1, and vaspin levels were measured in 69 subjects (39 patients with colorectal cancer and 30 age- and sex-matched healthy controls) using enzyme-linked immunosorbent assay (ELISA) methods. Results: Compared with the controls, patients with CRC had significantly higher circulating omentin-1 (203.23 vs 9.12 ng/ml, p < 0.0001) visfatin (4.03 vs 2.01 ng/ml, p < 0.0001) and vaspin (0.54 vs 0.31 ng/ ml, p = 0.015) levels. After adjustment for covariates (age and body mass index), patients with CRC had significantly higher serum omentin-1 (p < 0.0001), visfatin (p < 0.0001), and vaspin (p = 0.040) levels than the control group. Furthermore, the results did not change when age and waist-to-hip ratio were considered as covariates in the general linear models. Conclusions: The observed higher levels of omentin-1, visfatin, and vaspin in patients with CRC, independent of measures of obesity, suggest that these adipocytokines may have a potential role in the development of CRC through mechanisms other than the indirect mechanisms that are active in the association between obesity and CRC

    Dichlorido(2,9-dimethyl-1,10-phenanthroline-κ2 N,N′)cobalt(II)

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    In the title compound, [CoCl2(C14H12N2)], the CoII atom is four-coordinated in a distorted tetra­hedral geometry by two N atoms from a 2,9-dimethyl-1,10-phenanthroline ligand and two Cl atoms. The Co atom and the phenanthroline unit are located on a mirror plane. The methyl H atoms are disordered about the mirror plane and areeach half-occupied. In the crystal structure, π–π inter­actions between the pyridine and benzene rings and between the pyridine rings [centroid–centroid distances = 3.8821 (9) and 3.9502 (10) Å, respectively] stabilize the structure
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