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Universa Medicina
Published by Universitas Trisakti
ISSN : 19073062     EISSN : 24072230     DOI : -
Core Subject : Health, Science,
Health Professions Immunology & microbiology Medicine & Pharmacology Public Health
Universa Medicina (univ.med) is a four-monthly medical journal that publishes new research findings on a wide variety of topics of importance to biomedical science and clinical practice. Universa Medicina Online contains both the current issue and an online archive that can be accessed through browsing, advanced searching, or collections by disease or topic
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Articles 9 Documents
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Search results for , issue "Vol. 32 No. 3 (2013)" : 9 Documents clear
Aerobic exercise increases connexin43 expression in rat cardiac muscle Fransisca Chondro; Minarma Siagian; Dewi IS Santoso
Universa Medicina Vol. 32 No. 3 (2013)
Publisher : Faculty of Medicine, Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18051/UnivMed.2013.v32.155-164

Abstract

Background Intercellular communication in cardiac muscle is effected by connexin, particularly connexin43 (Cx43), forming gap junctions in cardiomyocytes. Aerobic physical exercise may result in increased left ventricular size and function. The purpose of the present study was to assess the effect of aerobics and detraining on C43 expression and distribution in rats.MethodsThis was an in vivo experimental study on 32 young male Wistar rats. The animals were divided into the following 8 groups and their interventions: I : 4 weeks of aerobics (A4); II: exercise control for 4 weeks (C4); III: 4 weeks of aerobics plus 4 weeks of detraining (A4D4); IV: 8-week control (C8); V: 12 weeks of aerobics (A12); VI: 12-week control (C12); VII: 12 weeks of aerobics plus 4 weeks of detraining (A12D4); VIII: 16-week control (C16). Rat cardiac tissue was subjected to immunohistochemical assay to determine total Cx43, intercalated disc Cx43, and lateral Cx43. Independent t-test was used to compare all Cx43 parameters between control and treatment groups. ResultsAfter aerobics, there were significant differences in total Cx43, intercalated disc Cx43, lateral Cx43, and intercalated disc Cx43 and lateral Cx43 percentages between control and treatment groups (p<0.05). Between-group comparison in treatment groups did not find significant differences between exercise-only groups and groups with exercise plus detraining. Cx43 surface area tended to decrease after detraining. ConclusionsAerobics significantly increases Cx43 levels in rat hearts. Detraining decreases intercalated disc Cx43 and lateral Cx43.
Typhonium flagelliforme decreases tyrosine kinase and Ki67 expression in mice Chodidjah Chodidjah; Edi Dharmana; Hardhono Susanto; Sarjadi Sarjadi
Universa Medicina Vol. 32 No. 3 (2013)
Publisher : Faculty of Medicine, Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18051/UnivMed.2013.v32.146-154

Abstract

Background Worldwide, breast cancer is the most frequent cancer in women after lung cancer. Treatments include surgery, radiation, immunotherapy and chemotherapy, but are not effective. Tyrosine kinase and Ki67 protein are markers of proliferation. Typhonium flagelliforme ethanol extract (TFEE) has been shown to inhibit proliferation of Michigan Cancer Foundation-7 (MCF7) cells in culture. The aim of the present study was to examine the effect of administration of TFEE on tyrosine kinase and Ki67 expression in mice. Methods This experimental study using post test randomized design with control group was conducted in 24 tumor-bearing CH3 mice. They were randomly divided into 4 groups, consisting of one control and 3 treatment groups (TI, T2, T3) treated daily for 30 days with 0.2 ml TFEE at dosages of 200, 400, and 800 mg/kgBW, respectively. On day 31 the tumor tissues were collected and their tyrosine kinase and Ki67 expression were levels assessed using ELISA and immunohistochemical staining, respectively. Tyrosine kinase and Ki67 expression levels were analyzed, respectively using Kruskal Wallis test and one-way Anova followed by Bonferroni post hoc test. Results Mean tyrosine kinase level was highest in the control group, followed by T3, T2 and T1 (p=0.019). Mean level of Ki 67 expression was highest in the control group, followed by T2, T3 and T1 (p=0.000). Conclussions Oral administration of TFEE at a dose of 200 mg/kgBW decreases tyrosine kinase levels and Ki 67 expression.
Isoflavone supplementation reduces low-density lipoprotein cholesterol levels in postmenopausal women Yenny Yenny; Pusparini Pusparini
Universa Medicina Vol. 32 No. 3 (2013)
Publisher : Faculty of Medicine, Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18051/UnivMed.2013.v32.197-207

Abstract

Background Cardiovascular disease is the main cause of death in postmenopausal women. This study aimed at evaluating the effect of soy isoflavone supplementation on plasma lipid profile in postmenopausal women, since this effect is still unclear. MethodsA double-blind randomized placebo-controlled trial was conducted from January 2010 until February 2011. In total 180 postmenopausal women were randomized into an isoflavone group and a control group of 90 subjects each. The isoflavone group received tablets containing 100 mg soy isoflavones and 500 mg calcium carbonate, while the control group received 500 mg calcium carbonate only. Supplementation was given once daily for 1 year. Plasma lipid levels [triacylglycerol, total, low-density lipoprotein (LDL), and high-density lipoprotein (HDL) cholesterols] were assessed at baseline, and after 6 and 12 months of supplementation using an enzymatic colorimetric method (Cobas c 111, Roche). Independent t-test was used for data analysis. ResultsBaseline subject characteristics and lipid profile in the two groups were comparable. In the isoflavone and control groups after 6 months of supplementation LDL cholesterol levels were 124.9 ± 35.2 mg/dL vs 112 .7 ± 29.7 mg/dL (p=0.013*), respectively, and after 12 months 116.9 ± 31.7 mg/dL vs 109.1 ± 29.8 mg/dL (p=0.086). There were no significant differences in the other lipid levels at 6 and 12 months. Conclusions Soy isoflavone supplementation for 6 months was capable of significantly reducing LDL cholesterol levels in postmenopausal women. No significant changes in total cholesterol, triacylgycerol, and HDL cholesterol were found after isoflavone supplementation.
Serum carcinoembryonic antigen tends to decrease in poorly-differentiated colorectal cancer Ester Morina Silalahi; Lukman Hakim Zain; Rustam Effendi
Universa Medicina Vol. 32 No. 3 (2013)
Publisher : Faculty of Medicine, Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18051/UnivMed.2013.v32.165-171

Abstract

BACKGROUND Carcinoembryonic antigen (CEA) and carbohydrate antigen (CA) 19-9 are tumor markers for colorectal cancer (CRC), both having prognostic value. According to the Colorectal Working Group of the American Joint Committee on Cancer, increases in CEA and CA 19-9 levels of >5 µg/l and > 37 U/ml, respectively, are considered abnormal. Increased serum CEA may be encountered in postoperative CRC patients from recurrences or metastases. There are no research data in Indonesia on the characteristics of CEA and CA 19-9 levels according to preoperative CRC cellular differentiation. The objective of this study was to determine differences in serum CEA and CA 19-9 levels according to CRC cellular differentiation. METHODSThis was a cross-sectional study conducted on 40 CRC subjects from July 2012 until May 2013. Determination of serum CEA and CA 19-9 levels and histopathological (cellular) differentiation grades in CRC biopsies was done in all subjects. RESULTS The study involved forty CRC patients, consisting of 22 males and 18 females, with mean age of 51.93 ± 11.63 years, CEA levels of 51.93 ± 84.07 ng/ml and CA 19-9 levels of 33.81 ± 62.39 U/ml. Carcino-embryonic antigen levels tended to decrease with decreasing CRC histopathological grade, while CA 19-9 levels increased in well-differentiated CRC. However, both relationships were statistically not significant (with p=0.314 and p=0.787, respectively). CONCLUSIONS Carcinoembryonic antigen (CEA) levels tend to decrease with decreasing histopathological grade of CRC, and CA 19-9 levels tend to increase in well-differentiated CRC.
Mucuna pruriens restores spermatogenesis in mice after exposure to 2-methoxyethanol Putu Oky Tania; Sri Winarni
Universa Medicina Vol. 32 No. 3 (2013)
Publisher : Faculty of Medicine, Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18051/UnivMed.2013.v32.137-145

Abstract

Background Increasing industrial activity is causing many problems in reproductive health, such as infertility. The factors causing infertility are hormones, infection, radiation, drugs and chemicals. One of these is 2-methoxyethanol (2-ME). The objective of this study was to evaluate the effect of Mucuna pruriens (MP) seed fraction on spermatogenesis, including number of spermatogenic cells and spermatozoal membrane protein profiles after exposure to 2-ME in mice. Methods This study was of experimental design. Thirty mice were randomized into 5 groups, i.e. 2 control groups and 3 treatment groups. All mice were injected subcutaneously with 2-ME doses of 100mg/kg body weight (BW)/day, for a period of 12 days. Positive (PC) and negative controls (NC) were treated with carboxy methyl cellulose (CMC). The three treatment groups were given MP seed fraction in doses of 14 (T1), 28 (T2) and 56 mg/kg BW (T3), respectively, from day 13 until day 64. Data on spermatogenic cells were collected from histological cross-sections and analyzed with one-way ANOVA. The spermatozoal membrane protein profile was identified by sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) with silver staining and were analyzed descriptively. Results Administration of MP seed fractions resulted in significantly different numbers of spermatocytes I and round spermatids between PC and T1, T2, and T3. A protein with the molecular weight of 41.6 kDa was expressed in all groups except the positive controls, while a 24.5 kDa protein was expressed in the positive controls only. Conclusion MP seed fraction effectively recovers spermatogenesis loss in mice due to 2-ME exposure.
Blood urea nitrogen as a predictor of mortality in myocardial infarction Liong Boy Kurniawan; Uleng Bahrun; Fitriani Mangarengi; Darmawati E R; Mansyur Arif
Universa Medicina Vol. 32 No. 3 (2013)
Publisher : Faculty of Medicine, Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18051/UnivMed.2013.v32.172-178

Abstract

INTRODUCTIONBlood urea nitrogen and creatinine levels are routine laboratory tests for evaluating renal function. Renal dysfunction has been related to worse prognosis of cardiovascular diseases. The purpose of this study was to determine the relationship between admission blood urea nitrogen and creatinine levels with in-hospital mortality in acute myocardial infarction patients. METHODSA cross-sectional study was performed using secondary data of 80 acute myocardial infarction patients hospitalized in Intensive Cardiac Care Unit of dr. Wahidin Sudirohusodo Hospital, Makassar, from June 2010 to July 2011. Admission blood urea nitrogen and creatinine levels were analyzed with Mann Whitney and Chi-Square tests.RESULTSMortality risk in the patients with blood urea nitrogen levels >50 mg/dL was 3.58 higher compared with those with blood urea nitrogen levels <50 mg/dL [OR=3.58; 95% confidence interval (CI) =1.27-10.11, p=0.013]. Mean admission creatinine levels in surviving and non- surviving patients were 0.99 ± 0.30 mg/dL and 1.70 ± 1.99 mg/dL, respectively (p=0.043). Mortality risk in patients with creatinine levels >1.1 mg/dL was 3.0-fold higher compared to patients with creatinine levels <1.1 mg/dL [OR=3.00; 95% confidence interval (CI) =1.13-7.92, p=0.024]. Multiple logistic regression showed blood urea nitrogen to be a better predictor of mortality than creatinine (OR= 3.583, p=0.016 vs OR 1.844, p=0.317).CONCLUSIONSPatients with high levels of blood urea nitrogen and creatinine had higher mortality risks than patients with normal levels. Blood urea nitrogen was a better predictor of mortality than creatinine.
Ki-67 marker useful for classification of malignant invasive ductal breast cancer Irmawati Hassan; Twidy Tarcisia; Agnestina Agnestina; Santoso Cornain; I Made Nasar
Universa Medicina Vol. 32 No. 3 (2013)
Publisher : Faculty of Medicine, Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18051/UnivMed.2013.v32.179-186

Abstract

BACKGROUND Breast cancer is an important health problem in the world. Uncontrolled cell proliferation represents a malignant characteristic of neoplasia such as breast cancer, and can be examined immunohistochemically by measuring the Ki-67 proliferative marker. The objective of this study was to determine the role of Ki-67 for classification of the degree of malignancy in women with invasive ductal breast cancer.METHODSA cross-sectional study was conducted on 20 women with invasive ductal breast cancer. The samples were immuno-histochemically tested for Ki-67 using anti-Ki-67 primary antibody. The Ki-67 proliferative index was determined by enumerating the proportion of Ki-67 positive nuclei among the total number of cells in ten areas observed at 400x magnification, using a 20% cut-off value to distinguish between low and high proliferative indices. Statistical analysis was by means of the chi-square test.    RESULTSSeventy five persent of the high grade malignancies had a high Ki-67 proliferative index (>20%), while only 12.5% of the low grade malignancies had a high Ki-67 index (>20%). The difference in grade malignancy was statistically significant (p=0.022), whereas tumor size was not associated with a statistically significant difference in Ki-67 index (p=0.648). CONCLUSIONThe study showed that invasive ductal breast cancer with high Ki-67 index was significantly associated with high grade of malignacy. The high Ki-67 marker index can be used for classification of the grade of malignancy of invasive ductal breast cancer.
Occupational noise exposure and cardiovascular disease in male workers Lie T. Merijanti
Universa Medicina Vol. 32 No. 3 (2013)
Publisher : Faculty of Medicine, Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18051/UnivMed.2013.v32.135-136

Abstract

Noise is a common occupational hazard worldwide. The impact of noise on human health is emerging as an important public health issue. The most well-known effect of high noise levels at work (>85 dBA) is hearing loss that is significantly associated with the period of exposure.(1) In addition, noise exposure can cause non-auditory effects, such as sleep disturbance, annoyance, psychological stress, and cardiovascular disease (CVD). In a study among Korean blue collar workers, Won et al. found that the prevalence of CVD risk was 32 cases per 100 workers.(2)However, the relationship between occupational noise and cardiovascular disease remains unsettled.(3)
Foot orthoses improve kinematic measurement in young women with biomechanical abnormality Maria Regina Rachmawati; Angela BM Tulaar; Muctarudin Mansyur; Ferial Hadipoetro Idris; Ismail Ismail; Ratna Darjanti Haryadi
Universa Medicina Vol. 32 No. 3 (2013)
Publisher : Faculty of Medicine, Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18051/UnivMed.2013.v32.187-196

Abstract

BACKGROUNDFoot pronation causes biomechanical abnormalities in the form of functional leg-length disparity. Foot orthoses are often used in the treatment of abnormal pronation. The aim of the study was to evaluate the effect of foot orthoses on abnormal kinematic chain the differences of pelvic height, step length, and walking distance on walking test in young women with biomechanical abnormality.METHODS A randomized double blind controlled clinical trial was conducted on 27 young adult women having abnormal biomechanical abnormalities. By random allocation the subjects were divided into the intervention group (14 subjects) receiving correction of foot pronation using foot orthoses, and the control group (13 subjects) receiving no orthoses. Before and during use of foot orthoses, we determined pelvic height difference (mm), step length difference (cm), and walking distance at maximal walking speed for 15 minutes. RESULTS Correction of foot pronation resulted in decreased pelvic height difference from 4.7 ± 2.1 mm to 1.7 ± 1.3 mm (p<0.001) and in a reduction in step length difference, from 4.9 ± 2.9 cm to 2.1 ± 1.5 cm (p=0.002). Walking test distance of the intervention group was 1318.5 ± 46.3 m, as compared with that of the control group of 1233 ± 114.7 m (p = 0.05). Walking distance of the intervention group rose steadily in the second test to 1369.3 ± 27 m, and in the third test to 1382.14 ± 10.5 m (p<0.001). CONCLUSIONS Foot orthoses improved the kinematic chain, resulting in a more symmetrical pelvic height, reduced step length difference, and increased functional walking ability.

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