126
|
Dana N, Javanmard SH, Vaseghi G. Effect of lipopolysaccharide on toll-like receptor-4 signals in mouse cancer cells. ACTA ACUST UNITED AC 2018; 118:598-601. [PMID: 29198126 DOI: 10.4149/bll_2017_115] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Recent findings showed that activated TLR signals on cancer cells might promote cancer progression. This study was designed to explore the influence of Toll-like receptor 4 (TLR4) agonist lipopolysaccharides (LPS) on mouse melanoma and breast cancer cell proliferation and their TLR4 signalling. METHODS Mouse melanoma cell line (B16F10) and breast cancer cell line (4T1) were taken as models. They were treated with LPS (0, 1.25, 2.5, 5, 7.5, 10 µg/ml) for 4, 16, 24, 48 h and MTT assay was done. The expression of TLR4, MyD88, NF-κB mRNA was detected by quantitative real time-polymerase chain reaction method quantitatively. RESULTS Ultra-pure LPS at 5 µg/ml concentration increased significantly B16F10 cell viability 24 hour after stimulation, but not in 4T1 cell. The mRNA levels of TLR4, MyD88 and NF-κB were significantly up-regulated in both cell lines by stimulating the cells at 5 µg/ml LPS. CONCLUSIONS Our data demonstrated that B16F10 and 4T1 cells are responsive to LPS, but their responses are time and dose dependent. These results provide new ways to understand the TLR4 signalling in tumour cells (Fig. 2, Ref. 24).
Collapse
|
127
|
Marateb HR, Mohebian MR, Javanmard SH, Tavallaei AA, Tajadini MH, Heidari-Beni M, Mañanas MA, Motlagh ME, Heshmat R, Mansourian M, Kelishadi R. Prediction of dyslipidemia using gene mutations, family history of diseases and anthropometric indicators in children and adolescents: The CASPIAN-III study. Comput Struct Biotechnol J 2018; 16:121-130. [PMID: 30026888 PMCID: PMC6050175 DOI: 10.1016/j.csbj.2018.02.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Revised: 02/27/2018] [Accepted: 02/27/2018] [Indexed: 12/12/2022] Open
Abstract
Dyslipidemia, the disorder of lipoprotein metabolism resulting in high lipid profile, is an important modifiable risk factor for coronary heart diseases. It is associated with more than four million worldwide deaths per year. Half of the children with dyslipidemia have hyperlipidemia during adulthood, and its prediction and screening are thus critical. We designed a new dyslipidemia diagnosis system. The sample size of 725 subjects (age 14.66 ± 2.61 years; 48% male; dyslipidemia prevalence of 42%) was selected by multistage random cluster sampling in Iran. Single nucleotide polymorphisms (rs1801177, rs708272, rs320, rs328, rs2066718, rs2230808, rs5880, rs5128, rs2893157, rs662799, and Apolipoprotein-E2/E3/E4), and anthropometric, life-style attributes, and family history of diseases were analyzed. A framework for classifying mixed-type data in imbalanced datasets was proposed. It included internal feature mapping and selection, re-sampling, optimized group method of data handling using convex and stochastic optimizations, a new cost function for imbalanced data and an internal validation. Its performance was assessed using hold-out and 4-foldcross-validation. Four other classifiers namely as supported vector machines, decision tree, and multilayer perceptron neural network and multiple logistic regression were also used. The average sensitivity, specificity, precision and accuracy of the proposed system were 93%, 94%, 94% and 92%, respectively in cross validation. It significantly outperformed the other classifiers and also showed excellent agreement and high correlation with the gold standard. A non-invasive economical version of the algorithm was also implemented suitable for low- and middle-income countries. It is thus a promising new tool for the prediction of dyslipidemia.
Collapse
|
128
|
Hovsepian S, Javanmard SH, Mansourian M, Tajadini M, Hashemipour M, Kelishadi R. Relationship of lipid regulatory gene polymorphisms and dyslipidemia in a pediatric population: the CASPIAN III study. Hormones (Athens) 2018; 17:97-105. [PMID: 29858861 DOI: 10.1007/s42000-018-0020-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Accepted: 02/23/2018] [Indexed: 01/10/2023]
Abstract
OBJECTIVE In this study, we aimed to assess the association between four variants in three genes whose association has been reported in adults but not in children. We evaluated the relationship of the GCKR (rs780094), GCKR (rs1260333), FADS (rs174547), and MLXIPL (rs3812316) polymorphisms with serum lipid levels in Iranian children. DESIGN This cross-sectional study was conducted in a subpopulation of the CASPIAN III study. During this study, 550 frozen whole blood samples were selected randomly. Using the recorded information of selected cases, those with and without abnormal lipid levels were determined. Allelic and genotypic frequencies of GCKR (rs780094), GCKR (rs1260333), MLXIPL (rs3812316), and FADS (rs174547) polymorphisms were determined and compared in dyslipidemic and normal children. The association between the studied polymorphisms and lipid profiles was determined using logistic regression analysis. RESULTS Prevalence of hypercholesterolemia, hypertriglyceridemia, high low-density lipoprotein cholesterol (LDL-C), and low high-density lipoprotein cholesterol (HDL-C) were 24.9, 34.5, 19.0, and 40.7%, respectively. Significant correlations were found between GCKR (rs780094) and GCKR (rs1260333) polymorphisms and cholesterol and triglyceride levels, between FADS (rs174547) polymorphism and level of triglyceride, and also between MLXIPL (rs3812316) and levels of HDL-C. CONCLUSIONS The results of this population-based study provide evidence for a relationship between lipid regulatory gene polymorphisms including GCKR (rs780094), GCKR (rs1260333), FADS (rs174547), and MLXIPL (rs3812316) with dyslipidemia in an Iranian population. These results could provide baseline information on as well as further insight into the genetic makeup of lipid profiles in Iranian children, which could be used for preventative strategies.
Collapse
|
129
|
Hovsepian S, Javanmard SH, Mansourian M, Hashemipour M, Tajadini M, Kelishadi R. Lipid regulatory genes polymorphism in children with and without obesity and cardiometabolic risk factors: The CASPIAN-III study. JOURNAL OF RESEARCH IN MEDICAL SCIENCES 2018. [PMID: 29531563 PMCID: PMC5842446 DOI: 10.4103/jrms.jrms_911_17] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Background: Genetically, predisposed children are considered as at-risk individuals for cardiovascular disease. In this study, we aimed to compare the frequency of four-lipid regulatory polymorphism in obese and normal-weight children with and without cardiometabolic risk factors. Materials and Methods: In this nested case–control study, 600 samples of four groups of participants consisted of those with normal weight with and without cardiometabolic risk factors and obese with and without cardiometabolic risk factors. Allelic and genotypic frequencies of GCKR (rs780094), GCKR (rs1260333), MLXIPL (rs3812316), and FADS (rs174547) polymorphisms were compared in the four studied groups. Results: Data of 528 samples were complete and included in this study. The mean (standard deviation) age of participants was 15.01 (2.21) years. Frequency of tt allele (minor allele) of GCKR (rs1260333) polymorphism was significantly lower in normal weight metabolically healthy participants than metabolically unhealthy normal weight (MUHNW) and obese children with and without cardiometabolic risk factor (P = 0.01). Frequency of ga allele of GCKR (rs780094) polymorphism was significantly higher in normal weight children with cardiometabolic risk factor than in their obese counterparts with cardiometabolic risk factor (P = 0.04). Frequency of cg and gg alleles (minor type) of MLXIPL (rs3812316) polymorphism in normal weight metabolically healthy participants was significantly higher than MUHNW (P = 0.04) and metabolically healthy obese children (P = 0.04). Conclusion: The findings of our study indicated that the minor allele of GCKR (rs1260333) single nucleotide polymorphisms (SNPs) could have pathogenic effect for obesity and cardiometabolic risk factors. Ga allele of GCKR (rs780094) SNPs had a protective effect on obesity. Minor alleles of MLXIPL (rs3812316) could have a protective effect for obesity and cardiometabolic risk factors.
Collapse
|
130
|
Ghahremani F, Shahbazi-Gahrouei D, Kefayat A, Motaghi H, Mehrgardi MA, Javanmard SH. AS1411 aptamer conjugated gold nanoclusters as a targeted radiosensitizer for megavoltage radiation therapy of 4T1 breast cancer cells. RSC Adv 2018. [DOI: 10.1039/c7ra11116a] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
In the present study, AS1411 aptamer conjugated gold nanoclusters (GNCs) have been introduced as a targeted radiosensitizer for enhancing megavoltage radiation therapy efficacy.
Collapse
|
131
|
Vaseghi G, Taki MJ, Javanmard SH. Standardized Cannabis sativa extract attenuates tau and stathmin gene expression in the melanoma cell line. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2017; 20:1178-1181. [PMID: 29147495 PMCID: PMC5673704 DOI: 10.22038/ijbms.2017.9398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
Objective(s): Metastasis is the main cause of death in patients with melanoma. Cannabis-based medicines are effective adjunctive drugs in cancer patients. Tau and Stathmin proteins are the key proteins in cancer metastasis. Here we have investigated the effect of a standardized Cannabis sativa extract on cell migration and Tau and Stathmin gene expression in the melanoma cell line. Materials and Methods: In the treatment group, melanoma (B1617) was treated 48 hr with various concentrations of standardized C. sativa extract. Cells with no treatment were considered as the control group, then study was followed by Quantitative RT-Real Time PCR assay. Relative gene expression was calculated by the ΔΔct method. Migration assay was used to evaluate cancer metastasis. Results: Tau and stathmin gene expression was significantly decreased compared to the control group. Cell migration was also significantly reduced compared to controls. Conclusion: C. sativa decreased tau and stathmin gene expression and cancer metastasis. The results may have some clinical relevance for the use of cannabis-based medicines in patients with metastatic melanoma.
Collapse
|
132
|
Zarrin B, Zarifi F, Vaseghi G, Javanmard SH. Acquired tumor resistance to antiangiogenic therapy: Mechanisms at a glance. JOURNAL OF RESEARCH IN MEDICAL SCIENCES 2017; 22:117. [PMID: 29184575 PMCID: PMC5680657 DOI: 10.4103/jrms.jrms_182_17] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2017] [Revised: 07/03/2017] [Accepted: 08/07/2017] [Indexed: 12/18/2022]
Abstract
Angiogenesis is critical for oxygen and nutrient delivery to proliferating tumor cells. Therefore, as angiogenesis is required and vital for the tumor growth and metastasis. Antiangiogenic therapy is considered to be beneficial for tumor growth prevention due to starvation of tumor of oxygen and nutrients, but in some cases, the benefits are not permanent. Tyrosine kinase inhibitors and many other agents often target angiogenesis through inhibition of the vascular endothelial growth factor (VEGF) pathway. Although preclinical studies showed satisfactory outcomes in tumor growth inhibition, antiangiogenic therapy in the clinical setting may not be effective. The resistance observed in several tumor types through alternative angiogenic “escape” pathways contributes to restoration of tumor growth and may induce progression, enhancement of invasion, and metastasis. Therefore, activation of major compensatory angiogenic pathways, sustaining tumor angiogenesis during VEGF blockade contributing to the recurrence of tumor growth overcome antiangiogenic strategies. In this review, we summarize the novel mechanisms involved in evasive resistance to antiangiogenic therapies and represent different cancer types which have the ability to adapt to VEGF inhibition achieving resistance to antiangiogenic therapy through these adaptive mechanisms.
Collapse
|
133
|
Vaseghi G, Rafiee L, Javanmard SH. Non-viral Delivery Systems for Breast Cancer Gene Therapy. Curr Gene Ther 2017; 17:147-153. [DOI: 10.2174/1566523217666170606124131] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Revised: 04/19/2017] [Accepted: 05/01/2017] [Indexed: 11/22/2022]
|
134
|
Moghadasi M, Kelishadi R, Marateb HR, Haghjooy Javanmard S, Mansourian M, Heshmat R, Esmaeil Motlagh M. Logic Regression Analysis of Gene Polymorphisms and HDL Levels in a Nationally Representative Sample of Iranian Adolescents: The CASPIAN-III Study. Int J Endocrinol Metab 2017; 15:e14037. [PMID: 30805016 PMCID: PMC6372018 DOI: 10.5812/ijem.14037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Accepted: 07/01/2017] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND To investigate the associations of genetic polymorphism with high-density lipoprotein-cholesterol (HDL-C) levels in Iranian adolescents. METHODS This multicentre study was conducted on 10 - 18 year-old students from 27 provinces in Iran. Logic regression approach was used to determine the main effects and interactions of polymorphisms related to HDL-C levels. RESULTS The rs708272 polymorphism was significantly related to HDL-C levels. Moreover, rs708272 increased HDL-C levels and had a protective effect on HDL-C. The interaction of rs2230808 and rs5880 polymorphisms as well as the interaction of rs320 and rs708272 polymorphisms were associated with lower HDL-C levels. Furthermore, the interaction of rs320 and rs1801177 polymorphisms was associated with lower HDL-C levels. CONCLUSIONS We found that not only single SNPs, but also interactions of several SNPs affect HDL-C levels. Given the high prevalence of low HDL-C in Middle Eastern populations, further genetic studies are required for detailed analysis.
Collapse
|
135
|
Behjati M, Hashemi M, Kazemi M, Salehi M, Javanmard SH. Evaluation of Energy Balance on Human Telomerase Reverse Transcriptase (hTERT) Alternative Splicing by Semi-quantitative RT-PCR in Human Umbilical Vein Endothelial Cells. Adv Biomed Res 2017; 6:43. [PMID: 28503498 PMCID: PMC5414409 DOI: 10.4103/2277-9175.204591] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Background: Decreased high-energy phosphate level is involved in endothelial cell injury and dysfunction. Reduced telomerase activity in endothelial cells in parallel with reduced energy levels might be due to altered direction of alternative splicing machine as a complication of depleted energy during the process of atherosclerosis. Materials and Methods: Isolated human umbilical vein endothelial cells (HUVECs) were treated for 24 hours by oligomycine (OM) and 2-deoxy glucose (2-DG). After 24 hours, the effect of energy depletion on telomerase splicing pattern was evaluated using RT-PCR. Indeed, in both treated and untargeted cells, nitric oxide (NO) and von Willebrand factor (vWF) were measured. Results: ATP was depleted in treated cells by 43.9% compared with control group. We observed a slight decrease in NO levels (P = 0.09) and vWF (P = 0.395) in the setting of 49.36% ATP depletion. In both groups, no telomerase gene expression was seen. Telomerase and housekeeping gene expression were found in positive control group (colon cancer tissue) and sample tissue. Conclusions: The absence of telomerase gene expression in HUVECs might be due to the mortality of these cells or the low level of telomerase gene expression in these cells under normal circumstances.
Collapse
|
136
|
Javanmard SH, Dehghananzadeh R, Rafiee L, Naji H, Rezayat A, Sarrafzadegan N. Genetic associations of the visfatin G-948T polymorphism with obesity-related metabolic traits in an Iranian population. JOURNAL OF RESEARCH IN MEDICAL SCIENCES 2017; 21:105. [PMID: 28250782 PMCID: PMC5322690 DOI: 10.4103/1735-1995.193177] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Revised: 08/21/2016] [Accepted: 09/05/2016] [Indexed: 11/22/2022]
Abstract
Background: Obesity is a global public health problem. Visfatin, as an adipocytokine, is coded by a gene known as nicotinamide phosphoribosyltransferase. So far, results were conflicted regarding correlations of visfatin with obesity and metabolic variables. The present study aimed to explore the association between G-948T polymorphism of visfatin gene with obesity and lipid profile in a nationally representative sample of Iranian population. Materials and Methods: In this case–control study, we assessed 129 randomly selected patients with obesity and 182 healthy normal weight controls from participants of Isfahan Healthy Heart Program. Genomic DNA was isolated from peripheral blood cells, and high-resolution melt polymerase chain reaction was performed to explore the presence of G-948T polymorphism. Results: T carriers “GT + TT” were statistically more frequent in the obese patients than the controls (P = 0.013; odds ratio = 1.9, 95% confidence interval = 1.1–3.1). The serum levels of total cholesterol and low-density lipoprotein cholesterol (LDL-C) were significantly different between T carriers and GG homozygote genotype (P = 0.03 and 0.02, respectively). Conclusion: We concluded that visfatin G-948T polymorphism was correlated with obesity, total cholesterol, and LDL-C levels in our population.
Collapse
|
137
|
Moein S, Javanmard SH, Abedi M, Izadpanahi MH, Gheisari Y. Identification of Appropriate Housekeeping Genes for Gene Expression Analysis in Long-term Hypoxia-treated Kidney Cells. Adv Biomed Res 2017; 6:15. [PMID: 28299307 PMCID: PMC5343613 DOI: 10.4103/2277-9175.200790] [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] [Indexed: 12/31/2022] Open
Abstract
Background: Selection of stably expressing housekeeping genes (HKGs) is a crucial step in gene expression analysis. However, there are no universal HKGs for all experiments, and they should be determined by each biologic condition. The aim of this study was to detect appropriate HKGs for kidney cells cultured in long-term hypoxia. Materials and Methods: Based on a screening step using a microarray data available from gene expression omnibus database, a set of candidate HKGs were chosen to be assessed in human kidney cells cultured in hypoxic or normoxic conditions for about 2 weeks in a time course manner. The stability of gene expression was assessed by refFinder, a web-based tool that integrates four computational programs (geNorm, Normfinder, BestKeeper, and the comparative ΔΔCt method). Results: GAPDH and ACTB were the most stable genes in hypoxia treated cells whereas, B2M and ACTB were the best HKGs in cells cultured in normoxia. When both hypoxia and normoxia treated cells from all time points were evaluated together, GAPDH and ACTB equally showed the most stability. Conclusion: As in relative quantification of real-time polymerase chain reaction data, the same HKGs should be selected for all groups, we believe that GAPDH and ACTB are suitable HKGs for studies on the effect of hypoxia on cultured kidney cells.
Collapse
|
138
|
Kelishadi R, Hashemipour M, Esteki B, Tajadini MH, Rafiei L, Motlagh ME, Vaseghi G, Ardalan G, Javanmard SH. Relationship of lipoprotein lipase gene variants and fasting triglyceride levels in a pediatric population: The CASPIAN-III study. ADV CLIN EXP MED 2017; 26:77-82. [PMID: 28397436 DOI: 10.17219/acem/61003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
BACKGROUND Lipoprotein lipase (LPL) is one of the major enzymes responsible for the hydrolysis of triglyceride (TG)-rich lipoprotein. The effects of LPL polymorphisms on serum TG are inconsistent among different populations. OBJECTIVES This study aims to assess the TG serum concentration and distributions of three LPL single nucleotide polymorphisms (SNPs), namely D9N, HINDIII and S447X, in a nationally representative sample of Iranian adolescents. MATERIAL AND METHODS We studied the associations between SNP genotypes and TG levels in a nationally representative sample of Iranian adolescents. Genotyping was performed in 750 randomly selected participants. We compared the genotypes according to different TG levels. RESULTS This study comprised 746 participants, with mean ± SD age of 14.6 ± 2.5 years. The distribution of genotypes of D9N and S447X were not significantly different according to TG levels. Regarding the HINDIII polymorphism, the distribution of GG, GT, and TT genotypes were significantly different in participants with low, borderline-high, and elevated TG (p = 0.02, 0.03, and 0.01, respectively). The mean TG was not significantly different according to the genotype distribution. CONCLUSIONS In this study, most of the LPL gene variants were not significantly different in adolescents with normal and elevated TG, and the mean TG was not different in participants with various genotypes. As the first evidence from the pediatric population of the region of the Middle East and North Africa (MENA), these results might be used in international comparisons. Our findings might suggest that the high prevalence of hypertriglyceridemia in Iranian adolescents is more likely to be a result of lifestyle rather than genetic factors.
Collapse
|
139
|
Javanmard SH, Heshmat-Ghahdarijani K, Mirmohammad-Sadeghi M, Sonbolestan SA, Ziayi A. The effect of melatonin on endothelial dysfunction in patient undergoing coronary artery bypass grafting surgery. Adv Biomed Res 2016; 5:174. [PMID: 28028514 PMCID: PMC5156974 DOI: 10.4103/2277-9175.194801] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2013] [Accepted: 01/30/2016] [Indexed: 11/10/2022] Open
Abstract
Background: In this study, we investigated the effect of melatonin administration on four markers of endothelial cell function including intercellular adhesion molecule (ICAM), vascular cell adhesion molecule (VCAM), C-reactive protein (CRP), and nitric oxide (NO) on patients with three vessels coronary disease. Materials and Methods: This double-blind, randomized, controlled trial study was conducted on 39 patients (32 men and 7 women) with three vessels coronary disease. The case group included 20 patients who received 10 mg oral melatonin 1 h before sleeping for 1 month. The control group included 19 patients who received placebo 1 h before sleeping for 1 month. The serum levels of CRP, ICAM, VCAM, and NO were compared after 1 month treatment. Results: After 1 month of melatonin treatment, the mean level of ICAM, VCAM, and CRP showed a statistically significant decrease in the case group. On the other hand, the mean level of VCAM increased significantly in the control group. The mean levels of CRP and ICAM were also increased in the control group, but the difference did not reach the significant threshold. With respect to NO, there was a statistically significant increase in the case group, while there was a statistically significant decrease in serum NO in the control group. Conclusions: The results of this study suggested that melatonin may have beneficial effects on endothelial oxidative stress even in patient with severe and advanced atherosclerosis.
Collapse
|
140
|
Moeinzadeh F, Shahidi S, Mortazavi M, Dolatkhah S, Kajbaf M, Haghjooy Javanmard S, Moghtaderi A. Effects of Omega-3 Fatty Acid Supplementation on Serum Biomarkers, Inflammatory Agents, and Quality of Life of Patients on Hemodialysis. IRANIAN JOURNAL OF KIDNEY DISEASES 2016; 10:381-387. [PMID: 27903997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Received: 12/13/2015] [Revised: 05/01/2016] [Accepted: 05/15/2016] [Indexed: 06/06/2023]
Abstract
INTRODUCTION Patients on long-term hemodialysis are at a higher risk of cardiovascular disease and premature mortality. It is generally believed that omega-3 supplementation can prevent cardiovascular events due to its anti-inflammatory and anti-atherosclerotic effects. MATERIALS AND METHODS Fifty-two hemodialysis patients were divided into 2 groups to receive omega-3 and placebo for 6 six months. Serum biomarkers and inflammatory agents were measured in both groups before and after the intervention. Quality of life was also assessed before and after the trial using the Kidney Disease Quality of Life-Short Form questionnaire. RESULTS Patients who received omega-3 showed an increase in serum calcium level (P = .005), a decrease in vascular cell adhesion molecule (P = .04), and an increase in the high-density lipoprotein cholesterol level (P < .001), while such changes were not documented in the control group. However, omega-3 administration did not have a significant effect on serum levels of albumin, low-density lipoprotein cholesterol, or triglyceride. Quality of life scores were improved after treatment with omega-3 in both scopes of general and kidney-specific assessment (P = .37 and P = .20, respectively), while no similar changes were seen in the control group. CONCLUSIONS Our data showed beneficial effects of omega-3 supplementation during chronic hemodialysis on inflammatory processes and also quality of life. We suggest administration of omega-3 in the hemodialysis community in a preventive manner for improvement of cardiovascular events and quality of life.
Collapse
|
141
|
Alasvand M, Javanmard SH, Rashidi B, Khazaei M. Myocardial capillary density after neuropeptide Y antagonist administration in normal and high-fat diet C57BL6 mice. Adv Biomed Res 2016; 5:165. [PMID: 27995104 PMCID: PMC5137228 DOI: 10.4103/2277-9175.190998] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2015] [Accepted: 02/15/2016] [Indexed: 12/17/2022] Open
Abstract
Background: Neuropeptide Y (NPY), a 36 amino acid peptide, has several effects on cardiovascular system. It is demonstrated that the angiogenic activity of NPY is similar to fibroblast growth factor and vascular endothelial growth factor (VEGF). The aim of this study was to evaluate the effect of systemic administration of antagonist of NPY receptor (BIIE0742) on coronary angiogenesis in normal and diet-induced obese animals. Materials and Methods: Twenty-four male mice were received high-fat diet (HFD) or normal diet (ND) for 14 weeks. Then, each group was randomized to the treatment of antagonist of NPY receptor (BIIE0246) or saline as following: ND+ BIIE0246 (100 μl/kg; i.p.), ND+ saline, HFD+ BIIE0246, HFD+ saline. After 14 days, blood samples were taken, and myocardial tissue (left ventricle) from all experimental groups was evaluated by immunohistochemistry. Results: Serum VEGF concentration and VEGF: Soluble VEGF receptor (sVEGFR)-1 ratio in obese animals was higher than normal group. Administration of BIIE0246 significantly reduced serum VEGF and VEGF: sVEGFR-1 ratio and increased serum sVEGFR-1 concentrations in obese animals (P < 0.05). In normal animals, BIIE0246 increased serum sVEGFR-1 level and decreased VEGF: sVEGFR-1 ratio. Serum nitrite did not alter after administration of BIIE0246 in both groups (P > 0.05). Myocardial capillary density expressed as the number of CD31 positive cells/mm2 was reduced after NPY antagonist treatment in obese and normal animals (P > 0.05). Conclusion: Administration of NPY antagonist impairs myocardial capillary density, reduces angiogenic factors and elevates anti-angiogenic factors, and there are no differences between obese and normal animals.
Collapse
|
142
|
Haghdoost F, Baradaran Mahdavi MM, Zolfaghari B, Sanei MH, Najafi S, Zandifar A, Manouchehri N, Javanmard SH. The effect of Quercus brantii gall extract on burn wound healing in rat. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2016; 19:1144-1150. [PMID: 27872712 PMCID: PMC5110664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
OBJECTIVES The aim of the present study was to evaluate the effect of Quercus brantii galls extract on the rat skin burn wound healing. MATERIALS AND METHODS Ethanol extract of the galls of Q. brantii was used to treat the induced burn wounds on the back of 32 Wistar rats divided into 4 groups. The groups were treated by placebo, 1%, 2% and 4% concentration gall extract gels for 14 days and the efficacy of treatment was assessed based on reduction of burn wound area, as well as histological and molecular characteristics. RESULTS The mean wound surface in the 14th day, in all groups treated by Q. brantii gall extracts were larger than control group and the differences were statistically significant (P=0.043). The mean histological wound healing scores were not statistically different. Analysis of nitric oxide and platelet derived growth factor concentration in wound fluids in the 5th day of study showed that there was not any significant difference between groups (P=0.468 and 0.312 respectively). Fibroblast growth factor (bFGF) concentration in the wound fluids, was significantly higher in group treated with 1% gall extract gel in comparison to the control group (P=0.026). CONCLUSION Our results could not prove the significant positive effect of Q. brantii galls extract on the burning wound healing. More studies with more groups treated with different doses of the Q. brantii extract are recommended.
Collapse
|
143
|
Rafiee L, Hajhashemi V, Javanmard SH. Fluvoxamine inhibits some inflammatory genes expression in LPS/stimulated human endothelial cells, U937 macrophages, and carrageenan-induced paw edema in rat. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2016; 19:977-984. [PMID: 27803785 PMCID: PMC5080428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 10/30/2022]
Abstract
OBJECTIVES Fluvoxamine is a well-known selective serotonin reuptake inhibitor (SSRI); Despite its anti-inflammatory effect, little is known about the precise mechanisms involved. In our previous work, we found that IP administration of fluvoxamine produced a noticeable anti-inflammatory effect in carrageenan-induced paw edema in rats. In this study, we aimed to evaluate the effect of fluvoxamine on the expression of some inflammatory genes like intercellular adhesion molecule (ICAM1), vascular cell adhesion molecule (VCAM1), cyclooxygenases2 (COX2), and inducible nitric oxide synthase (iNOS). MATERIALS AND METHODS An in vitro model of LPS stimulated human endothelial cells and U937 macrophages were used. Cells were pretreated with various concentrations of fluvoxamine, from 10-8 M to 10-6 M. For in vivo model, fluvoxamine was administered IP at doses of 25 and 50 mg/kg-1 , before injection of carrageenan. At the end of experiment, the expression of mentioned genes were measured by quantitative real time (RT)-PCR in cells and in paw edema in rat. RESULTS The expression of ICAM1, VCAM1, COX2, and iNOS was significantly decreased by fluvoxamine in endothelial cells, macrophages, and in rat carrageenan-induced paw edema. Our finding also confirmed that IP injection of fluvoxamine inhibits carrageenan-induced inflammation in rat paw edema. CONCLUSION The results of present study provide further evidence for the anti-inflammatory effect of fluvoxamine. This effect appears to be mediated by down regulation of inflammatory genes. Further studies are needed to evaluate the complex cellular and molecular mechanisms of immunomodulatory effect of fluvoxamine.
Collapse
|
144
|
Hendijani F, Javanmard SH. Dual Protective and Cytotoxic Benefits of Mesenchymal Stem Cell Therapy in Combination with Chemotherapy/Radiotherapy for Cancer Patients. Crit Rev Eukaryot Gene Expr 2016; 25:203-7. [PMID: 26558944 DOI: 10.1615/critreveukaryotgeneexpr.2015013843] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Cancer is a major health problem in the world, and scientists seek innovative treatment strategies with higher efficacy and lower toxicity than the existing therapeutic agents. In this way, stem cell researchers try to reveal new pathways that will eventually benefit patients. Stem cell research has proven that mesenchymal stem cells (MSCs) possess anticancer activities, and their protein-rich secretome showed similar effects. MSCs also secrete cytokines that play an active role in healing and regeneration processes. Because of their known plasticity, MSCs display a variety of characteristics and functions in different environments, depending on their interactions with various cell types and tissues. Therefore, we hypothesize that MSC therapy in combination with anticancer medicines can potentiate cytotoxic effects on cancer cells. In addition, because of their regenerative capacity, MSCs can protect normal tissues from adverse cytotoxic drug reactions. They may also help rescue injured tissues from these toxic damages or systemic pathological events that occur during cancer treatment. MSC therapy may double the beneficial effects on cancer and normal cells. As our knowledge of systems biology and biotechnological methodology is progressing, this idea can move forward as a treatment option.
Collapse
|
145
|
Amjadi F, Mehdipoor R, Zarkesh-Esfahani H, Javanmard SH. Leptin serves as angiogenic/mitogenic factor in melanoma tumor growth. Adv Biomed Res 2016; 5:127. [PMID: 27563637 PMCID: PMC4976532 DOI: 10.4103/2277-9175.187005] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Accepted: 10/19/2015] [Indexed: 12/21/2022] Open
Abstract
Background: Tumor development is angiogenesis dependent. There is evidence that leptin contributes to tumor growth. However, all the mechanisms by which leptin does this has not been clearly established. The objective of the present study was to test the hypothesis that leptin enhances melanoma tumor growth through inducing angiogenesis and cell proliferation. Materials and Methods: We injected 2 × 106 B16F10 melanoma cells subcutaneously to 32 C57BL6 mice. The mice were randomly divided into four groups of eight animals, on day 8. Two groups received twice daily intraperitoneal (i.p.) injections of either phosphate buffered saline or recombinant murine leptin (1 μg/g initial body weight). Two groups received i.p. injections of either 9F8 an anti leptin receptor antibody or the control mouse IgG at 50 μg/injection every 3 consecutive days. By the end of the 2nd week, the animals were euthanized and blood samples and tumors were analyzed. Angiogenesis and proliferation were assessed by immunohistochemical staining for CD31 and Ki-67 respectively. Results: Tumors size, capillary density, plasma levels of vascular endothelial growth factor, and the number of Ki-67-positive stained cells were significantly more in the leptin than 9F8 and both control groups (P < 0.05). Conclusion: Taken together, our findings reinforce the idea that leptin acts as an angiogenic and mitogenic factor to promote melanoma growth.
Collapse
|
146
|
Hasanpour Z, Javanmard SH, Gharaaty M, Sadeghi M. Association between serum myeloperoxidase levels and coronary artery disease in patients without diabetes, hypertension, obesity, and hyperlipidemia. Adv Biomed Res 2016; 5:103. [PMID: 27376042 PMCID: PMC4918211 DOI: 10.4103/2277-9175.183663] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2012] [Accepted: 05/06/2014] [Indexed: 12/18/2022] Open
Abstract
Background: Myeloperoxidase (MPO) is an enzyme, elevated in the atheroma and serum of a patient with atherosclerotic vessels. The aim of this study is to investigate whether the serum MPO level is related to the presence of plaque in patients without risk factors, such as, diabetes, hypertension, obesity, and hyperlipidemia. Materials and Methods: A serum sample was collected from patients who referred for angiography. The MPO level was measured in the serum samples of 40 patients without risk factors for atherosclerosis using the enzyme-linked immunosorbent assay (ELISA). Results: The MPO level was 245.5 ± 13.8 (ng/ml) in patients with atherosclerosis and 213.9 ± 8.9 (ng/ml) in patients without atherosclerosis. There was a significant difference between the groups (P = 0.002). The odds ratio was 0.67 (0.95 CI, 0.17 – 2.5) for patients with and without coronary atherosclerosis. Conclusion: Although the MPO concentration is higher in patients suffering from atherosclerosis, it is not a predictor of coronary artery disease in patients without diabetes, hypertension, obesity, and hyperlipidemia.
Collapse
|
147
|
Haghjooy Javanmard S, Anari J, Zargar Kharazi A, Vatankhah E. In vitro hemocompatibility and cytocompatibility of a three-layered vascular scaffold fabricated by sequential electrospinning of PCL, collagen, and PLLA nanofibers. J Biomater Appl 2016; 31:438-49. [PMID: 27247131 DOI: 10.1177/0885328216652068] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Aiming to mimic a blood vessel structurally, morphologically, and mechanically, a sequential electrospinning technique using a small diameter mandrel collector was performed and a three-layered tubular scaffold composed of nanofibers of polycaprolactone, collagen, and poly(l-lactic acid) as inner, intermediate, and outer layers, respectively, was developed. Biological performances of the scaffold in terms of compatibility with blood and endothelial cells were assessed to get some insights into its potential use as a tissue engineered small-diameter vascular replacement compared to an expanded polytetrafluoroethylene vascular graft. Due to direct contact of the blood and endothelial cells with inner surface of the scaffold, polycaprolactone fibers were characterized using SEM, water contact angle measurement, and ATR-FTIR. Despite similar surface wettability of the electrospun scaffold and the expanded polytetrafluoroethylene graft, the three-layered scaffold significantly reduced platelet adhesion and hemolysis ratio compared to expanded polytetrafluoroethylene graft while comparable blood clotting profiles were observed for both electrospun scaffold and expanded polytetrafluoroethylene graft. However, inflammatory response to nanofibrous surface of the scaffold was reduced compared to expanded polytetrafluoroethylene graft. The electrospun scaffold also presented a significantly more supportive substrate for endothelialization than the expanded polytetrafluoroethylene graft. The results described herein suggested that the three-layered scaffold has superior biological properties compared to an expanded polytetrafluoroethylene graft for vascular tissue engineering.
Collapse
|
148
|
Naghitorabi M, Mohammadi-Asl J, Sadeghi HMM, Rabbani M, Jafarian-Dehkordi A, Javanmard SH. Quantitation of CDH1 promoter methylation in formalin-fixed paraffin-embedded tissues of breast cancer patients using differential high resolution melting analysis. Adv Biomed Res 2016; 5:91. [PMID: 27308263 PMCID: PMC4908786 DOI: 10.4103/2277-9175.183139] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2014] [Accepted: 05/12/2014] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND E-cadherin (CDH1) plays an important role in cell-cell adhesion of epithelial tissues. Loss of E-cadherin expression can lead to loss of tissue integrity, metastasis, and cancer progression. Also loss of E-cadherin expression might be related to aberrant promoter methylation of the CDH1 gene. Many studies have been performed on CDH1 promoter methylation, especially in breast cancer. Although most of the studies have used qualitative methods for methylation analysis, this study is designed to quantitatively investigate CDH1 promoter methylation in breast cancer and its correlation with patients' clinicopathological features. MATERIALS AND METHODS Using differential high resolution melting analysis (D-HRMA), the methylation level of the CDH1 gene promoter was quantified in 98 breast cancer formalin-fixed paraffin-embedded (FFPE) tissues and also 10 fresh frozen normal breast tissues. RESULTS All samples were detected to be methylated at the CDH1 promoter region. About 74.5% of the breast cancer samples were hypermethylated with an average methylation level of around 60%, while 25.5% of the patients were methylated with the mean methylation level of about 33%, and 90% of the normal samples had a mean methylation level of about 18%. Statistical analyses represented a significant correlation between CDH1 promoter methylation and cancer progression hallmarks, such as, clinical stage, nodal involvement, tumor size, and histological grade. CONCLUSION In summary, quantitation of CDH1 promoter methylation can serve as a diagnostic and prognostic tool in breast cancer. Also D-HRMA can be used as a fast and reliable method for quantitation of promoter methylation.
Collapse
|
149
|
Behfarnia P, Saied-Moallemi Z, Javanmard SH, Naseri R. Serum, saliva, and GCF concentration of RANKL and osteoprotegerin in smokers versus nonsmokers with chronic periodontitis. Adv Biomed Res 2016; 5:80. [PMID: 27195253 PMCID: PMC4863406 DOI: 10.4103/2277-9175.180992] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2013] [Accepted: 10/12/2014] [Indexed: 12/13/2022] Open
Abstract
Background: The role of host response in periodontitis pathogenesis is confirmed, and it is well established that immune response plays a major role in the alveolar bone destruction. In the investigation of these responses, the role of receptor activator of the nuclear factor-kB ligand (RANKL)-osteoprotegerin (OPG) system is the most promising. Smoking can affect the RANKL-OPG system in a manner that will further enhance bone loss in periodontitis. The aim of this study is to assess the serum, saliva, and gingival crevicular fluid (GCF) concentration of RANKL and OPG in smoker versus nonsmoker untreated chronic periodontitis (CP) patients. Materials and Methods: Thirty-nine subjects were included in the present cross-sectional study: 29 systemically healthy CP male patients (15 smokers, 14 nonsmokers) and 10 systemically and periodontally healthy nonsmoker male subjects. Serum, GCF, and whole saliva samples were obtained from the subjects. The enzyme-linked immunosorbent assay (ELISA) kits were used for assaying the concentrations of RANKL and OPG in the samples. The one-way analysis of variance (ANOVA) test and the least significant difference (LSD) post hoc test were utilized to compare differences between the groups. Results: RANKL and OPG concentrations in saliva, serum, and GCF did not show any significant difference among all groups (P > 0.05). Salivary RANKL/OPG ratios were significantly higher in the nonsmoker CP group than in the healthy control group (P > 0.05) but they were not statistically significant among smoker periodontitis patients. Conclusions: The salivary RANKL/OPG ratio was higher in nonsmokers with periodontitis in comparison with smoker periodontitis patients.
Collapse
|
150
|
Poursafa P, Baradaran-Mahdavi S, Moradi B, Haghjooy Javanmard S, Tajadini M, Mehrabian F, Kelishadi R. The relationship of exposure to air pollutants in pregnancy with surrogate markers of endothelial dysfunction in umbilical cord. ENVIRONMENTAL RESEARCH 2016; 146:154-160. [PMID: 26761592 DOI: 10.1016/j.envres.2015.12.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2015] [Revised: 12/03/2015] [Accepted: 12/16/2015] [Indexed: 06/05/2023]
Abstract
BACKGROUND This study aims to investigate the association of exposure to ambient air pollution during pregnancy with cord blood concentrations of surrogate markers of endothelial dysfunction. METHODS This population-based cohort was conducted from March 2014 to March 2015 among 250 mother-neonate pairs in urban areas of Isfahan, the second large and air-polluted city in Iran. We analyzed the association between the ambient carbon monoxide (CO), ozone (O3), nitrogen dioxide (NO2), sulfur dioxide (SO2), particular matter 10 (PM10), and air quality index (AQI) with cord blood levels of endothelin-1, vascular adhesion molecule (VCAM), and intercellular adhesion molecule (ICAM). Multiple regression analysis was conducted after adjustment for potential confounding factors and covariates. The regression coefficient (beta), standard error of the estimate (SE), and 95% confidence intervals for each regression coefficient (95% CI) are reported. RESULTS Data of 233 mother-neonate pairs were complete, and included in the analysis. Multiple regression analyses showed that AQI, CO and O3 had significant correlation with cord blood ICAM-1 [Beta (SE), 95%CI: 2.93 (0.72), 1.33,5.54; 2.28(1.44), 1.56,5.12; and 2.02(0.01), 1.03,2.04, respectively] as well as with VCAM-1 [2.78(0.91), 1.69,4.57; 2.47(1.47), 1.43,5.37; and 2.01(0.01),1.07,2.04, respectively]. AQI, PM10, and SO2 were significantly associated with Endothelin-1 concentrations [Beta (SE), 95%CI: 10.16(5.08),7.61,14.28; 9.70(3.46), 2.88,16.52; and 1.07(0.02), 1.03,2.11, respectively]. CONCLUSIONS The significant associations of air pollutants with markers of endothelial dysfunction during fetal period may provide another evidence on the adverse health effects of air pollutants on early stages of atherosclerosis from fetal period. Our findings underscore the importance of considering environmental factors in primordial prevention of chronic diseases.
Collapse
|