Violeta Dopsaj

ORCID: 0000-0001-8310-6254
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About
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Research Areas
  • Exercise and Physiological Responses
  • Iron Metabolism and Disorders
  • Hemoglobinopathies and Related Disorders
  • Erythropoietin and Anemia Treatment
  • Muscle metabolism and nutrition
  • Systemic Lupus Erythematosus Research
  • Dialysis and Renal Disease Management
  • Blood Coagulation and Thrombosis Mechanisms
  • Paraoxonase enzyme and polymorphisms
  • Folate and B Vitamins Research
  • Liver Disease Diagnosis and Treatment
  • Venous Thromboembolism Diagnosis and Management
  • Diet, Metabolism, and Disease
  • Atrial Fibrillation Management and Outcomes
  • Parathyroid Disorders and Treatments
  • Body Composition Measurement Techniques
  • Chronic Kidney Disease and Diabetes
  • Genetics and Physical Performance
  • Chronic Obstructive Pulmonary Disease (COPD) Research
  • Diet and metabolism studies
  • Physical Education and Training Studies
  • Acute Kidney Injury Research
  • Vitamin C and Antioxidants Research
  • Muscle and Compartmental Disorders
  • Neuropeptides and Animal Physiology

University of Belgrade
2014-2024

Centar za Promociju Nauke
2011-2021

Deleted Institution
2019-2021

ORCID
2020

Univerzitetski Klinički Centar Srbije
2004-2019

Institute of Biochemistry
2009-2017

The aim of this study was to determine the impact long-term training on elite female volleyball players and parameters that could discriminate them according level oxidative stress-associated adaptation. Fifty-four were divided into 3 groups (1: below-average experience <8.0 years, 2: average between 8.0 10.5 years 3: above-average >10.5 years). measured reactive oxygen metabolites, biological anti-oxidative potential, superoxide anion, malondialdehyde, advanced oxidation protein products,...

10.1055/s-0029-1238289 article EN International Journal of Sports Medicine 2009-12-01

Martinović, J, Dopsaj, V, Kotur-Stevuljević, M, Vujović, A, Stefanović, and Nešić, G. Oxidative stress biomarker monitoring in elite women volleyball athletes during a 6-week training period. J Strength Cond Res 25(5): 1360-1367, 2011-The objectives of this study were to determine (a) if reactive oxygen metabolites (ROMs) are reliable parameter for oxidative alone or association with other parameters depending on whether antioxidant supplements taken not; (b) the level before competition...

10.1519/jsc.0b013e3181d85a7f article EN The Journal of Strength and Conditioning Research 2010-12-14

This study aimed to explore the set of variables related skeletal muscle mass (SMM) in both sexes, and create age- sex-related models changes SMM, using most representative indicator muscular status. Body composition was assessed 8733 subjects (♀ = 3370 ♂ 5363), allocated into subsamples according age: 18-29.9, 30-39.9, 40-49.9, 50-59.9, 60-69.9, 70.0-79.9 years. Nine were used: protein mass, percent, index, percent SMM fat-free protein/fat index. Univariate multivariate analysis variance...

10.3390/ijerph17165977 article EN International Journal of Environmental Research and Public Health 2020-08-18

Chronic kidney disease mineral- and bone disorder (CKD-MBD) has been studied more often in dialysis than predialysis CKD patients. The association between efficacy of hyperphosphatemia control chronic renal failure (CRF) progression, prevalence cardiovascular calcification was the objective present investigation.42 patients with Stage 5, regularly monitored for 5 years, were divided into Group 1 20 normal serum phosphate (sPO4) levels 2 22 registered at majority checks. Serum urea,...

10.5414/cnp71021 article EN Clinical Nephrology 2009-01-01

Abstract Introduction Haemostatic balance shifted towards hypercoagulability in normal pregnancy is even more pronounced pre‐eclampsia (P‐EC). The aim of this study was to analyse haemostatic disturbances and fibrin clot properties women with investigate their association maternal foetal outcomes. Methods Forty‐six pregnant diagnosed were included the study, blood sampling done on morning following admission hospital, as well after delivery (mean duration 4.8 days). Two global...

10.1111/ijlh.13183 article EN International Journal of Laboratory Hematology 2020-03-19

The aim of the present study was to examine association proteins that regulate iron transport/storage content and acute phase response with oxidative stress in male female athletes. Serum ferritin, transferrin, soluble transferrin receptor, C-reactive protein, interleukin-6 parameters (reactive oxygen metabolites, superoxide anion, advanced oxidation protein products, lipid hydroperoxides, superoxide-dismutase pro-oxidant-antioxidant balance) were determined 138 athletes (73 females 65...

10.1055/s-0030-1267930 article EN International Journal of Sports Medicine 2010-11-17

Dopsaj, V, Martinovic, J, M, Kasum, G, Kotur-stevuljevic, and Koropanovski, N. Hematological, oxidative stress, immune status profiling in elite combat sport athletes. J Strength Cond Res 27(12): 3506–3514, 2013—The aim of this study was to profile hematological, immunological parameters male athletes who practiced sports determine whether the type influenced measured parameters. Eighteen karate professionals, 15 wrestlers, 14 kickboxers participated study. iron-related, were at beginning a...

10.1519/jsc.0b013e31828ddeea article EN The Journal of Strength and Conditioning Research 2013-02-26

Despite the effectiveness of HAART in controlling HIV‐1 replication, emergence drug‐resistant viruses infected patients and severe side effects caused by currently used drug regimens lack an effective vaccine necessitate continued search for new therapeutic strategies prevention therapy HIV disease. Previously we reported that natural autoantibodies, recognizing peptide FTDNAKTI (peptide NTM1) derived from C2 domain gp120, contribute to control Here demonstrated sera well‐trained athletic...

10.1111/j.1600-0838.2009.00962.x article EN Scandinavian Journal of Medicine and Science in Sports 2010-05-18

Objectives . The study was designed to evaluate associations between symmetric dimethylarginine (SDMA), inflammation, and superoxide anion (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mrow><mml:msup><mml:mrow><mml:msub><mml:mrow><mml:mtext>O</mml:mtext></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:mo>∙</mml:mo><mml:mo>-</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>) with endothelial function determine their potential...

10.1155/2013/306908 article EN cc-by Disease Markers 2013-01-01

The most frequent cause of death in hemodialysis patients is cardiovascular disease with chronic inflammation being an epidemiologically proved risk factor. Many studies have shown C-reactive protein (CRP) as the strongest predictor long-term mortality patients, while other reports indicated acute phase proteins potential predictors mortality. present study therefore aimed to evaluate prevalence and role together lipids divalent ions for predicting patients. Chronic was defined, based on...

10.1620/tjem.219.121 article EN The Tohoku Journal of Experimental Medicine 2009-01-01

Prediction of veno-occlusive disease (VOD), its precise diagnosis, and treatment have been the subject various studies, but still remain unclear. Our goal was to investigate levels activated coagulation fibrinolysis markers natural anticoagulants in pediatric patients with VOD after hematopoietic stem cell transplantation (HSCT). We investigated 47 patients: 20 neuroblastoma, 17 leukemias, 10 lymphomas measured values antithrombin (AT), protein C (PC), fibrinogen (FI), thrombin AT complex,...

10.1097/mph.0b013e31820539fd article EN Journal of Pediatric Hematology/Oncology 2011-02-18

Summary Introduction The aim of this study was to establish the sensitivity and specificity microcytic anemia factor (Maf ® ), which is generated by C oulter LH 750 analyzer in evaluation iron depletion iron‐deficient erythropoiesis athletes. Methods A total 142 athletes were divided into three groups: with depletion, erythropoiesis, controls. following parameters measured: RBC s (red blood cells), Hb (hemoglobin), Hct (hematocrit), MCV (mean cellular volume), MCH cell hemoglobin), MCHC...

10.1111/ijlh.12115 article EN International Journal of Laboratory Hematology 2013-06-03

The Aim. aim of this paper is to define the contractile characteristics maximal isometric handgrip force and establish possible differences between students Universities Chelyabinsk Belgrade. secondary create a practically applicable initial model in order explore mentioned future. Material methods. For purposes research, overall sample 225 subjects was tested. 91 were from Russia 134 Serbia. results gathered using strain gage standardized test protocol. properties HG muscle measured...

10.14529/hsm190204 article EN cc-by-nc-nd Human Sport Medicine 2019-07-05

The progression of the nonalcoholic fatty liver disease to steatohepatitis (NASH) is multifactorial, and there still a lack approved medications for its treatment. study aimed evaluate impact combined treatment with Pentoxifylline Metformin on biochemical parameters in patients Nash. Setting: Outpatient hepatology clinic.A prospective trial was conducted. first cohort included biopsy-proven Nash, while second consisted biopsy-confirmed NAFLD. Blood tests were checked at baseline every three...

10.2478/jomb-2019-0043 article EN cc-by Journal of Medical Biochemistry 2019-10-16

This study aimed to investigate the effect of supplementation with plant origin superoxide dismutase (SOD), GliSODin, on parameters muscle damage, metabolic, and work performance at international level rowers. Twenty-eight rowers were included in a randomized, double-blind study. The was conducted during 6-week preparation period. At beginning after 6 weeks period, all tested rowing ergometer. Blood samples taken from antecubital vein before every ergometer testing. Muscle damage markers...

10.3390/biology11101437 article EN cc-by Biology 2022-09-30

Summary Introduction: The aim of our study was to evaluate derived red blood cell parameters in determining the presence iron depletion and iron‐deficient erythropoiesis, as states that precede deficiency anemia, adults with congenital heart disease. Methods: Eighty‐eight who were diagnosed disease divided into two groups (cyanotic acyanotic). In both groups, patients then three subgroups: depletion, a control group. following measured: complete count, reticulocytes, ferritin, soluble...

10.1111/j.1751-553x.2012.01417.x article EN International Journal of Laboratory Hematology 2012-03-27

Background There is convincing evidence from numerous clinical and epidemiological studies that physical activity can reduce the risk for breast prostate cancer. The biological mechanisms underlying this phenomenon remain elusive. Herein we suggest a role naturally produced antibodies reactive with vasoactive intestinal peptide (VIP) in suppression of cancer, which believe could offer possible molecular mechanism control these cancers by exercise. Methodology Results We found sera...

10.1371/journal.pone.0028304 article EN cc-by PLoS ONE 2011-11-30

Profile and standards for the diagnostics of percent body fat muscles were defined on a sample 1924 women from Republic Serbia, aged 18.0 to 69.9, where structure subjects was measured by applying multichannel segmental bioimpedance. Total divided into six age groups, purpose definition standard with regards age. When it comes percentage results have shown that average value total 28.51±9.26 %, between range 23.81 39.94 % groups 18.0-19.9 yr 60.0-69.9 yr, respectively. Regression analysis...

10.4067/s0717-95022019000401286 article EN International Journal of Morphology 2019-09-10

Background: Pre-eclampsia (P-EC) is associated with systemic inflammation, endothelial dysfunction and hypercoagulability. The role of extracellular vesicles (EVs) in coagulation disturbances affecting the development severity P-EC remains elusive. We aimed to evaluate concentration EVs expressing phosphatidylserine (PS) specific markers relation thrombin fibrin formation as well clot properties, pregnant women comparison healthy similar gestational age. Methods: Blood samples 30 diagnosed...

10.3389/fmed.2021.761453 article EN cc-by Frontiers in Medicine 2021-11-03

Introduction: We examined the cost-effectiveness of three different D-dimer measurements in screening DVT models with and without calculation pre-test probability (PTP) score. Moreover, we calculated minimal cost detection.

10.11613/bm.2013.012 article EN cc-by Biochemia Medica 2013-01-01
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