BACKGROUND: Obesity has been widely associated with structural and functional changes in the brain, whereas inflammation is one of the potential mechanisms involved in these changes. OBJECTIVE: This study aims to prove the relationship between serum brain-derived neurotrophic factor (BDNF) levels and obesity predictor markers (body mass index and waist to hip ratio) and inflammation (interleukin-6 and Tumor Necrosis Factor-alpha) levels in females with obesity. METHODS: This study used a cross-sectional study method using 33 females with obesity aged 19-23 years, body mass index (BMI) > 27.5 kg/m2, normal blood pressure, normal resting heart rate (RHR), normal hemoglobin (Hb), and fasting blood glucose (FBG) ≤ 100 mg/dL. The examination of serum BDNF, IL-6, and TNF-α levels using the Enzyme-Linked Immunosorbent Assay (ELISA) method. The data were analyzed using Pearson product-moment test with a significant levels p<0.05. RESULTS: The results indicated that there is a negative correlation between serum BDNF levels and BMI (r = –0.759; p<0.001), WHR (r = –0.675; p<0.001), IL-6 levels (r = –0.530; p<0.001) and TNF-α levels (r = –0.561; p<0.001). CONCLUSION: Based on the results of the study, there is a negative correlation between serum BDNF levels and BMI, waist to hip ratio, and inflammation (interleukin-6 and Tumor Necrosis Factor-alpha) levels in females with obesity. Further studies are needed to confirm the present findings.
This study aims to know the correlation between social suppot and stress level in patients with type 2 diabetes mellitus in the Janti's Public Health Center. This research uses the method correlational quantitative approach, with cross sectional design, and sample in this study were patients with type 2 diabetes mellitus aged 60-69 years in the area of the Janti's Public Health Center who fullfill inclusion criteria. The sampling technique using non-probability sampling technique with quota sampling approach. The collection data is conducted by means of Measurement of social support using quitionare and cortisol hormon measured with Enzyme Linked Immunosorbent Assay (ELISA) method. While the data analysis technique using Spearman correlation test with significance level of 0.05 or (p < 0,05). Based on the result of the data analysis, there is a significant correlation between social support and stress level in patient type 2 diabetes mellitus aged 60-69 years in the Janti's Public Health Center, Malang.
This study aimed to analyze the increase in serum BDNF levels after moderate-intensity exercise in obese females. This study used the True-Experimental method with the Randomized Control Group Pre-test-Post-test design. A total of 14 obese female adolescents aged 19-24 years participated in this study and were divided into two groups, i.e., the control group (CG, n=7) and the moderate-intensity exercise group (MIEG, n=7). The exercise was performed with an intensity of 64 – 76 HRmax for 40 minutes using a Richter Treadmill (4.0 HP DC). Moderate-intensity exercise was carried out in one intervention. Blood sampling was carried out before and after moderate-intensity exercise on the cubital vein as much as 3 ml. Examination of serum BDNF levels using the ELISA method. The results of statistical analysis show that the mean pre-test serum BDNF levels were CG (258.66±27.11 pg/mL), MIEG (252.48±23.17 pg/mL), and (p=0.865). The mean post-test serum BDNF levels were CG (236.22±20.83 pg/mL), MIEG (497.73±59.55 pg/mL), and (p=0.001). The mean delta of serum BDNF levels on CG (-22.43±26.04), MIEG (245.25±61.57 pg/mL), and (p=0.002). Based on the study results, it is concluded that a single session of moderate-intensity exercise in the morning increases serum BDNF levels in obese females.
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