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INDONESIA
The Indonesian Biomedical Journal
Published by The Prodia Education and Research Institute
ISSN : -     EISSN : -     DOI : -
Core Subject : Health, Science,
Biochemistry, Genetics & Molecular Biology Public Health
Arjuna Subject : -
Articles 6 Documents
 1 
Search results for , issue "Vol 6, No 3 (2014)" : 6 Documents clear
Ser81 Survivin Induced Protein Kinase A (PKA)-dependent Phosphatidylinositol 3-kinase (PI3K) Activity Ferry Sandra; Roya Khosravi-Far
The Indonesian Biomedical Journal Vol 6, No 3 (2014)
Publisher : The Prodia Education and Research Institute (PERI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18585/inabj.v6i3.28

Abstract

BACKGROUND: Our previous report showed that phosphorylated-survivin at Ser81 induces survivin back loop to activate protein kinase A (PKA) in the cytoprotection mechanism. Activated PKA could possibly induce the cytoprotection via Phosphatydilinositol 3-kinase (PI3K). Therefore our current study was conducted to investigate the possibility of survivin-PKA-PI3K signaling pathway.METHODS: Viral productions by BOSC23 cells of Survivin, Antisense Survivin (Survivin-AS) and Ser81Ala mutant (Survivin-S81A) in pMSCV-IRES-GFP vector with cytomegalovirus (CMV) promoter were conducted. L929 cells were pretreated with/without PKI 6-22 amide and infected with viral particle of Survivin, Survivin-AS, Survivin-S81A or vector only. Cells were harvested, lysed and immunoprecipitated with anti-PI3K (p85) antibody and immunoblotted to detect PI3K (p85) and phospho-(Tyr) p85 PI3K. To confirm PI3K activation, PI3K Activity Assay was conducted by using phosphoinositide fraction containing PtdIns(4,5)P2 and [32P]ATP.RESULTS: Immunoblot and PI3K activity results showed similar results. Upon infection of virus with survivin, a markedly increased level of tyrosine phosphorylation of p85 PI3K or PI3K activity in L929 cells was seen. Low levels of tyrosine phosphorylation of p85 PI3K or PI3K activity were observed for Survivin-AS and Survivin-S81A-viral-infected L929 cells. With higher concentrations of Survivin-viral-infection, levels of tyrosine phosphorylation of p85 PI3K or PI3K activity in L929 cells were gradually increased. However, when L929 cells were pretreated with PKI 6-22 amide, prior to Survivin-viral-infection, level of tyrosine phosphorylation level of p85 PI3K or PI3K activity was detected much lower.CONCLUSION: Our result suggest that Ser81 Survivin play role in inducing PI3K activation and the Survivin-PI3K signaling pathway was PKA-dependent.KEYWORDS: Ser81, Survivin, PKA, PI3K, L929
Comparison of IL-6, IL-8 Concentrations in H. pylori- and non-H. pylori-associated Gastritis Gontar Alamsyah Siregar; Sahat Salim; Ricky Rivalino Sitepu
The Indonesian Biomedical Journal Vol 6, No 3 (2014)
Publisher : The Prodia Education and Research Institute (PERI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18585/inabj.v6i3.29

Abstract

BACKGROUND: Helicobacter pylori is a non-invasive microorganism causing intense gastric mucosal inflammatory and immune reaction. The gastric mucosal levels of the proinflammatory cytokines Interleukin 6 (IL-6) and IL-8 have been reported to be increased in H. pylori infection, but the serum levels in H. pylori infection is still controversial. The purpose of this study was to investigate the serum levels of IL-6 and IL-8 in H. pylori infection.METHODS: A cross sectional study was done on eighty consecutive gastritis patients admitted to endoscopy units at Adam Malik General Hospital and Permata Bunda Hospital, Medan, Indonesia from May-October 2014. Histopathology was performed for the diagnosis of gastritis. Rapid urease test for diagnosis of H. pylori infection. Serum samples were obtained to determine circulating IL-6 and IL-8. Univariate and bivariate analysis (independent t test) were done.RESULTS: There were 41.25% patients infected with H. pylori. Circulatory IL-6 levels were significantly higher in H. pylori-infected patients compared to H. pylori negative, but there were no differences between serum levels of IL-8 in H. pylori positive and negative patients.CONCLUSION: The immune response to H. pylori promotes systemic inflammation, which was reflected in an increased level of serum IL-6. Serum levels of IL-8 were not significantly different between H. pylori positive and negative.KEYWORDS: Helicobacter pylori, gastritis, IL-6, IL-8, cytokine
Application of Umbilical Cord Blood Stem Cells in Regenerative Medicine Anna Meiliana; Andi Wijaya
The Indonesian Biomedical Journal Vol 6, No 3 (2014)
Publisher : The Prodia Education and Research Institute (PERI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18585/inabj.v6i3.25

Abstract

BACKGROUND: Since the first umbilical cord blood (UCB) transplant, performed 25 years ago, UCB banks have been established worldwide for the collection and cryopreservation of UCB for autologous and allogeneic transplants.CONTENT: Much has been learned in a relatively short time on the properties of UCB hematopoietic progenitors and their clinical application. More interestingly, non-hematopoietic stem cells have been isolated from UCB. These cells can be grown and differentiated into various tissues including bone, cartilage, liver, pancreas, nerve, muscle and so on. The non-hematopoietic stem cells have an advantage over other sources of stem cells, such as embryonic stem cells or induced pluripotent stem cells, because their supply is unlimited, they can be used in autologous or allogeneic situations, they need minimal manipulation and they raise no ethical concerns. Future studies will test the potential of UCB cells for the treatment of several diseases including, among other possibilities, diabetes, arthritis, burns, neurological disorder and myocardial infarction.SUMMARY: In addition to hematopoietic stem cells, UCB contain a large number of non-hematopoietic stem cells. In the absence of ethical concern, the unlimited supply of UCB cells explains the increasing interest of using UCB for developing regenerative medicine.KEYWORDS: UCB, transplantation, UCB bank, HSC, MSC, CD34, CD133, VSEL
Vascular Endothelial Growth Factor Level as A Predictor of Hepatocellular Carcinoma in Liver Cirrhosis Patients Benyamin Lukito; Ivet Suriapranata; Pendrianto Pendrianto; Ali Sulaiman; Irawan Yusuf; FX Budhianto Suhadi; George Mathew; Ferry Sandra
The Indonesian Biomedical Journal Vol 6, No 3 (2014)
Publisher : The Prodia Education and Research Institute (PERI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18585/inabj.v6i3.30

Abstract

BACKGROUND: Alpha-fetoprotein (AFP) has been used for hepatocellular carcinoma (HCC) diagnosis and screening, however, AFP has poor specificity. The extensive hypervascularity associated with HCC could be driven in part by the pro-angiogenic factor known as vascular endothelial growth factor (VEGF). Furthermore, invasiveness of certain HCC lesions has recently been linked to high levels of VEGF. Therefore, circulating VEGF levels of patients with liver cirrhosis (LC) and HCC were investigated and analysed.METHODS: An analytical cross sectional study was designed. Diagnosis of HCC and LC was performed using clinical criteria and findings obtained from B-mode ultrasonography (USG), computed tomography (CT) angiography, or magnetic resonance imaging (MRI). Blood were collected intravenously from all subjects. Obtained serum and plasma were stored in -80°C for following analyses: hepatitis B surface antigen (HBSAg), hepatitis C virus (HCV), alanine aminotransferase (ALT), total bilirubin, albumin, VEGF and AFP.RESULTS: Levels of VEGF and AFP were significantly higher in HCC group compared with LC group with p = 3.05 x 10-6 and p = 8.74 x 10-5, respectively. There was a significant positive correlation (p=0.029, r=0.309) between VEGF level and tumor size in HCC group. The area under curve (AUC) for VEGF level in HCC and LC groups was 0.771. In the level of median 435.6 pg/mL VEGF, the sensitivity was 50% and specificity was 86%. In the level of 199.99 pg/mL VEGF the sensitivity was 74% and specificity was 76%.CONCLUSION: The present findings suggested that VEGF level could be a useful marker for the presence of HCC in patients with LC.KEYWORDS: hepatocellular carcinoma, HCC, liver cirrhosis, LC, vascular endothelial growth factor, VEGF, alpha-fetoprotein, AFP 
Identification of Biomarkers for Prostate Cancer Anna Meiliana; Andi Wijaya
The Indonesian Biomedical Journal Vol 6, No 3 (2014)
Publisher : The Prodia Education and Research Institute (PERI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18585/inabj.v6i3.26

Abstract

BACKGROUND: Prostate cancer (PCa) was the second most common type of cancer and the fifth leading cause of cancer-related death in men. The great challenge for physicians is being able to accurately predict PCa prognosis and treatment response in order to reduce PCa-specific mortality while avoiding overtreatment by identifying of when to intervene, and in which patients.CONTENT: Currently, PCa prognosis and treatment decision of PCa involved digital rectal examination, Prostate-Speciic Antigens (PSA), and subsequent biopsies for histopathological staging, known as Gleason score. However, each procedure has its shortcomings. Efforts to find a better clinically meaningful and non-invasive biomarkers still developed involving proteins, circulating tumor cells, nucleic acids, and the ‘omics' approaches.SUMMARY: Biomarkers for PCa will most likely be an assay employing multiple biomarkers in combination using protein and gene microarrays, containing markers that are differentially expressed in PCa.KEYWORDS: prostate cancer, PSA, biomarkers, nomograms, miRNA, proteomic, genomic, metabolomic
Potential Biomarkers for Diagnosis and Screening of Autism Spectrum Disorders Anna Meiliana; Andi Wijaya
The Indonesian Biomedical Journal Vol 6, No 3 (2014)
Publisher : The Prodia Education and Research Institute (PERI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18585/inabj.v6i3.27

Abstract

BACKGROUND: Autism spectrum disorder (ASD) is a highly heritable neurodevelopmental condition, which is typically characterized by a triad of symptoms: impaired social communication, social reciprocity and repetitive stereotypic behavior. While the behavioral phenotype of ASD is well described, the search for reliable ‘autism biomarkers’ continues.CONTENT: Insulin growth factor (IGF) is essential for the myelination of developing fetal neurons; this is in addition to the well-known links between IGF, maternal inflammation, infection and autism supporting IGF as a potential marker. Combining IGF data with data regarding levels of the known markers, serotonin and anti-myelin basic protein, in order to calculate an autism index, could provide a new diagnostic method for at-risk neonates. Disruptions to multiple pathophysiological systems, including redox, folate, methylation, tryptophan metabolism, and mitochondrial metabolism, have been well documented in autistic patients. Maternal infection and inflammation have known links with autism. Autoimmunity has therefore been a well-studied area of autism research. The potential of using autoantibodies as novel biomarkers for autism, in addition to providing insights into the neurodevelopmental processes that lead to autism.SUMMARY: The six proposed causes of autism involve both metabolic and immunologic dysfunctions and include: increased oxidative stress; decreased methionine metabolism and trans-sulfuration: aberrant free and bound metal burden; gastrointestinal (GI) disturbances; immune/inflammation dysregulation; and autoimmune targeting. A newborn screening program for early-onset ASD should be capable of utilizing a combination of ASD-associated biomarkers representative of the six proposed causes of autism in order to identify newborns at risk. The biomarkers discussed in this article are useful to guide the selection, efficacy and sufficiency of biomedical interventions, which would likely include nutritional supplementation, dietary changes and specific medications for treating GI pathogens and reducing inflammation.KEYWORDS: ASD, autism, biomarkers, newborn screening, diagnosis

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