Molecular and Cellular Biomedical Sciences (E-Journal)
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Curcuma mangga Val. Extract as Antidiabetic Agent in 3T3-L1 Adipocyte Cells
Get PDFBackground: With the increase of diabetes mellitus (DM) prevalence, natural product emerged as complementary source on the development of new drug for this disease. White saffron (Curcuma mangga Val.) is a widely available plant found in Indonesia which often used traditionally as medicine for various ailment. Unfortunately scientific evidence of its antidiabetic activity has not been described very well. Present study was trying to evaluate the antidiabetic potential of white saffron based on the change of lipid accumulation.Materials and Methods: Cells viability assay was done using 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium (MTS) reagent to determine the safe concentrations of C. mangga Val. extract and its fractions including hexane, ethyl acetate, butanol, ethanol, water fractions and curcumol for the further assay. The preadipocyte cells (3T3-L1) were grown and differentiated into adipocyte cells using 3-isobutyl-1-methylxanthine (IBMX), dexamethasone and insulin. The adipocyte cells were treated with C. mangga Val. extract (CME) (the safest fraction at all concentrations) for 24 h. Oil red O staining was used to measure the lipid accumulation in adipocyte cells.Results: The CME was not toxic and able to decrease the lipid droplets of the 3T3-L1 adipocyte cells.Conclusion: The CME has potential antidiabetic activity due to ability to decrease the lipid droplet without disturbing the viability of the 3T3-L1 adipocyte cells.Keywords: white saffron, Curcuma mangga Val., antidiabeti
Body Weight, Cholesterol Changes and Sub-Chronic Toxicity of Mice Treated with An Emulsion Product Rich in b-Carotene
Get PDFBackground: One of the conditions for releasing standardized herbal medicines is the presence of pre-clinical testing that can be conducted with mice. Emulsion products with the main composition of pumpkin, red palm oil, and dragon fruit have high levels of β-carotene. The purpose of this study was to observe changes in weight, cholesterol, and sub-chronic toxicity from mice treated with emulsion products.Materials and Methods: Mice observed consisted of 6 groups: (1) untreated control (given standard ration); (2) negative control (given standard ration and 2.8% (v/b) egg yolk); (3) positive control (given standard ration and 0.4% (v/b) β-carotene); (4) standard ration, 0.4% (v/b) β-carotene and 2.8% (v/b) egg yolk; (5) given a standard ration and 2% (v/b) emulsion products; and (6) given a standard ration, 2% (v/b) emulsion products and 2.8% (v/b) egg yolk. Observations of sub-chronic toxicity were done by measuring creatinine levels, kidney weight, and visual observation of kidney swelling.Results: The use of β-carotene-rich emulsions does not cause a decrease in the average weight of mice. In general, β-carotene and emulsion can overcome cholesterol increases on the 7th day, but not for the 15th day as a result of standard food intake. The increase in creatinine levels only occurs in mice treated with egg yolk control. The additional treatment of β-carotene and emulsion successfully prevents the increase in creatinine levels.Conclusion: Emulsion products did not cause changes in weight, were able to reduce cholesterol levels in a limited manner and were not toxic to mice.Keywords: cholesterol changes, sub-chronic toxicity, b-carotene, emulsio
The Mechanism of Coronary Artery Calcification in Centrally Obese Non-Diabetic Men: Study on The Interaction of Leptin, Free Leptin Index, Adiponectin, hs-C Reactive Protein, Bone Morphogenetic Protein-2 and Matrix Gla Protein
Get PDFBackground: The calcium in the artery was thought to be the result of the imbalance or dysregulation of the promoter and inhibitor cytokines influenced by various subclinical and clinical conditions. This study aimed to investigate the interaction between central obesity, as an early subclinical condition, also known as a chronic low grade inflammation condition and coronary artery calcium (CAC) in non-diabetic population including the underlying pathomechanisms of a CAC in the early stage of atherosclerosis.Materials and Methods: This was a cross-sectional pathway analysis study enrolling 60 central obesity non-diabetic men that underwent coronary calcium score scan, anthropometrics and biomarker assays.Results: There was a positive correlation between increasing free leptin index/adiponectin (FLI/A) ratio and CAC (r=0.297; p<0.05). There was a positive correlation between increasing FLI/A ratio and plasma high sensitive C-reactive protein (hs-CRP) (r=0.318; p<0.05). Plasma hs-CRP and bone morphogenetic protein-2 (BMP-2)-matrix gla protein (MGP) dysregulation were positively correlated (r=0.221; p<0.05) after adjusted to risk factors including insulin resistance, hypertension, age, and dyslipidemia.Conclusion: The study found that one of the pathways involved in CAC in the centrally obese non-diabetic male is might be due to an increase of free leptin and decrease of adiponectin. The free leptin and adiponection ratio also increased hs-CRP, which partially correlated to the dysregulation of BMP-2 and MGP.Keywords: coronary artery calcification, central obesity, adipokines, bone regulator protein, pathomechanis
Phytoconstituent Analysis and Antibacterial Potential of Epicarp Extracts from Mature Fruits of Persea americana Mill
Get PDFBackground: World Health Organization (WHO) has reported the antimicrobial resistance as one among the ten threats to global health in 2019. The development of plant-derived antibiotics is currently considered as a modern medicine’s greatest success. Persea americana is a plant with high medicinal profile which allow its different parts to be used for therapeutic purposes. This study is aimed to determine the antibacterial potential of ethanol and chloroform extracts from epicarp of mature fruits of P. americana Mill against human pathogens.Materials and Methods: The epicarps of avocado were dried in oven and ground into powder using porcelain mortar and pestle. The powdered plant materials were extracted with both 96% ethanol and chloroform. Extracts were qualitatively screened to examine their bioactive contents and agar well diffusion method was used to analyze the antibacterial activity of extracts against both Gram-positive and Gram-negative bacteria.Results: Both solvents showed the ability to dissolve the secondary metabolites from avocado epicarps. Phytochemical screening disclosed the presence of alkaloids, proteins, terpenoids, tannins, flavonoids, steroids and phenolic compounds in ethanolic extracts and absence of flavonoids and tannins in chloroform extracts. The extracts showed the inhibition zones ranging from 14±4.5 mm to 26±2.1 mm while streptomycin demonstrated high inhibition zones ranging from 20±3.1 mm to 30 mm. The minimum inhibitory concentration (MIC) values of extracts ranges from 0.3125 mg/mL to 20 mg/mL while the MIC values for streptomycin vary from 0.25 mg/mL to 1.25 mg/mL.Conclusion: The ethanol and chloroform extracts proved to be potentially effective as natural alternative preventives to fight against various disease-causing bacteria.Keywords: antibacterial activity, ethanol extract, chloroform extract, Persea americana, Rwand
Impaired Function of Regulatory T Cells in Type 2 Diabetes Mellitus
Get PDFPathogenesis of type 2 Diabetes Mellitus (DM) is often associated with chronic low-grade inflammation. This kind of inflammation is characterized by an increased level of pro-inflammatory cytokines such as tumor necrosis factor α (TNF-α), interleukin (IL)-6 and IL-1β. From an immunological point of view, an inflammatory response is always followed by an anti-inflammatory response as negative feedback to avoid excessive tissue damages. Regulatory T cells are a subset of cluster of differentiation (CD)4+ T cells that have the function to maintain peripheral tolerance and suppress immune response. This review would discuss the impaired function of regulatory T cells in type 2 DM. DM is a group of metabolic diseases characterized by hyperglycemia due to a defect of insulin secretion or a combination of insulin resistance and relative insulin deficiency. Chronic low-grade inflammation has been known as a key factor in the development of insulin resistance. Regulatory T cells (Treg cells) action through contact and non-contact inhibition could suppress inflammatory response in innate and adaptive immune systems. In type 2 DM, the proportion and function of CD4+CD25+Foxp3+ and CD4+CD25+ regulatory T cell decreases due to the reduced number of Treg cells and the Treg cells depletion contributes to metabolic conditions such as insulin resistance. Moreover, Treg cells are more susceptible to apoptosis, the ability of Treg cells to produce anti-inflammatory cytokines such as transforming growth factor β (TGF-β) and IL-10 decreases, and there is an imbalance between the proportion of Th1/Th17 cells and Treg cells. This inadequate anti-inflammatory response gives rise to the chronic low-grade inflammatory condition in type 2 DM.Keywords: type 2 diabetes mellitus, inflammation, regulatory T cel
Microbiome in Oral Squamous Cell Carcinoma: Mechanisms and Signaling Pathways
Get PDFOral squamous cell carcinoma is part of head and neck squamous cell carcinoma which is the ultimate cause of morbidity and mortality in cancer. The alteration of microbial community in the saliva might act as a helpful marker for the prediction, detection and prognosis oral cancer, particularly the transition of cancer precursor lesion. There are three mechanisms of action of oral microbiota in cancer pathogenesis, chronic inflammation of bacterial stimulation, carcinogenesis by cytoskeletal rearrangements, and carcinogenic substances that produced by microorganisms. Changes in the composition of microbiota could therefore have the potential to be used as a significant oral biomarker to predict the pathological transition from oral epithelial precursor lesion to cancer.Keywords: microbiome, oral cancer cellular proliferation, microorganism, oral cancer, oral squamous cell carcinom
Evaluating The Effect of Humidity on Adhesion Strength of Skin Adhesive
No full textBackground: Skin adhesive has been used for attaching certain medical application to the human skin for functional and/or esthetic purposes. Silicone adhesive is the most common type of skin adhesives that are recently used. This study aims to evaluate the possible effect of humidity on the performance of silicone skin adhesive.Materials and Methods: Twenty-four silicone samples were divided into 2 main groups based on relative humidity (RH) exposure, namely 43% RH and 98% RH. Six samples from each group were tested for adhesion strength after 1 hour of adhesion, and the other 6 samples were tested after 2 hours of adhesion by conducting 180 degree peel test. The data were statistically analyzed for significant difference. Results: The results showed that at 43% RH, the adhesion strength was higher than the 98% RH group. The results also showed that at both humidity settings the adhesion strength after the first hours of adhesion was lower than the adhesion strength after the second hour.Conclusion: The silicone skin adhesive performance can be affected by the increase of relative humidity which needs more time of application to skin to reach the best adhesion function.Keywords: adhesions strength, humidity effect on adhesion, silicone adhesive, skin adhesive
High Blood Ammonia Levels Associated with Long-term Valproic Acids Therapy in Epileptic Children
Get PDFBackground: Valproic acid is an effective drug for controlling seizure in children with epilepsy and it is usually used for treatment as long as two years or more. Blood ammonia level often increased in epileptic children who were treated with long-term valproic acid. The study was conducted to determine the relationship between blood ammonia level with valproic acid therapy in epileptic children.Materials and Methods: This is an observational study with cross-sectional approach. The subjects were 64 children with epilepsy, average age of 6.2 years old. Subjects were 33 boys and 31 girls. Blood ammonia level was examined using enzymatic glutamate dehydrogenase. Subjects were divided into 2 therapeutic groups based on the duration, doses and combination therapy of valproic acid. Subjects were recruited from Pediatric Neurology Clinic, Sanglah General Hospital, Bali, Indonesia, from May to December 2017. Comparison of blood ammonia level between groups were analyzed using an Independent t-test with significances if the p<0.05.Results: A significant difference of blood ammonia level was found between subjects who were treated with valproic acid less than 2 years and more than 2 years (45.7±16.4 mmol/L vs. 70.9±43.6 mmol/L; p=0.032). However, significant difference was not found between the groups according to the doses and combination therapy (p=0.450 and p=0.647, respectively).Conclusion: Blood ammonia level was significantly higher in epileptic children who used long-term valproic acid, hence it was recommended to check the blood ammonia level routinely.Keywords: ammonia, epilepsy, valproic, childre
Density of Dermatophagoides spp. and Its Relationship with House-dust Mite Specific Serum IgE in Persistent Asthma
Get PDFBackground: Asthma is a chronic inflammation of the bronchial tree that emerges as a response to exogenous factors, such as allergens, irritants, and infections. Some asthmatic patients had been reported having symptoms of asthma due to house-dust mites (HDM) allergen exposure. It is associated with immune responses which were increased in the form of specific Immunoglobulin E (IgE) production against HDM allergens. This case-control study aimed to determine the HDM profiles in persistent asthmatic patients, including density of mites, as well as its relationship with specific IgE anti-HDM serum levels.Materials and Methods: A total of 13 patients with persistent asthma and 12 control patients had their specific anti-HDM IgE levels examined using Immulite 2000 xpi. The house dust samples were taken and analyzed with the Fain method.Results: The results have shown that 69% of patients in the persistent asthma group and 25% of normal patients were positive for IgE anti-HDM. Dermatophagoides pteronyssinus is a predominant species with a total of 120 mites (83.9%) of 143 mites. Correlation analysis indicated a positive relationship between IgE anti-HDM levels within the serums of patients and the density of mites in the dust obtained from bedroom spaces (Spearmen Rho, R=0.35, p=0.04).Conclusion: Positive IgE anti-HDM patients in the persistent asthma group were higher (69%) than those in the clinically normal group (25%). The density of mites were dominated by D. Pteronyssinus. The bedroom-dust mites density revealed a positive correlation with serum IgE anti-HDM levels in persistent asthma patients.Keywords: asthma, density, Dermatophagoides spp.,Ig
Correlation between Protein Intake, Fat Free Mass, and Total Lymphocyte Count with Quality of Life in Pulmonary Tuberculosis Patients Undergoing Intensive Phase Treatment in Pekanbaru, Riau Province
No full textBackground: Malnutrition and tuberculosis (TB) have a bidirectional relationship, which interacts between each other. In chronic infection, there is an imbalance between protein degradation and protein synthesis which marked with the loss of fat-free mass (FFM). Malnutrition can cause the atrophy of the thymus gland resulted in the reduction of lymphocyte production. Malnutrition in TB patients will reduce the quality of life. On the other hand, a good quality of life will increase the treatment success rate and decrease the risk of morbidity and mortality. Materials and Methods: A cross-sectional study was conducted in 12 primary health centers (PHC) chosen randomly from 23 PHC in Pekanbaru, Riau Province. The random selection was performed by using simple random sampling (random number generator). Data were collected from May until July 2019. Samples were selected using a consecutive sampling method and 72 subjects fulfilled all research criteria. The interview was used to collect basic characteristic data, dietary intake data, and quality of life score. Anthropometric measurement (body weight, body height, and FFM) and laboratory examination (total lymphocyte count) were done.Results: Research showed median age subjects was 33 years old (18-59 years old). Most of the subjects were male (56.9%), had a middle level of education, low income, were active smokers with underweight nutritional status. More than 50% of subjects had low protein intake, low fat-free mass, normal lymphocyte count and had a good quality of life.Conclusion: There was a statistically significant correlation between fat-free mass with PCS (r=0.239, p=0.044), but not for protein intake and total lymphocyte count.Keywords: fat-free mass, protein, quality of life, total lymphocyte count, tuberculosi