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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 621 Documents
 15   16   17   18   19 
Progress and Future Challenges of Human Induced Pluripotents Stem Cell in Regenerative Medicine Anna Meiliana; Andi Wijaya
The Indonesian Biomedical Journal Vol 3, No 2 (2011)
Publisher : The Prodia Education and Research Institute (PERI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18585/inabj.v3i2.138

Abstract

BACKGROUND: Less than a decade ago the prospect for reprogramming the human somatic cell looked bleak at best. It seemed that the only methods at our disposal for the generation of human isogenic pluripotent cells would have to involve somatic cell nuclear transfer (SCNT). Shinya Yamanaka in August 2006 in his publication (Cell) promised to change everything by showing that it was apparently very simple to revert the phenotype of a differentiated cell to a pluripotent one by overexpressing four transcription factors in murine fibroblasts.CONTENT: Mouse and human somatic cells can be genetically reprogrammed into induced pluripotent stem cells (iPSCs) by the expression of a defined set of factors (Oct4, Sox2, c-Myc, and Klf4, as well as Nanog and LIN28). iPSCs could be generated from mouse and human fibroblasts as well as from mouse liver, stomach, pancreatic, neural stem cells, and keratinocytes. Similarity of iPSCs and embryonic stem cells (ESCs) has been demonstrated in their morphology, global expression profiles, epigenetic status, as well as in vitro and in vivo differentiation potential for both mouse and human cells. Many techniques for human iPSCs (hiPSCs) derivation have been developed in recent years, utilizing different starting cell types, vector delivery systems, and culture conditions. A refined or perfected combination of these techniques might prove to be the key to generating clinically applicable hiPSCs.SUMMARY: iPSCs are a revolutionary tool for generating in vitro models of human diseases and may help us to understand the molecular basis of epigenetic reprogramming. Progress of the last four years has been truly amazing, almost verging on science fiction, but if we can learn to produce such cells cheaply and easily, and control their differentiation, our efforts to understand and fight disease will become more accessible, controllable and tailored. Ability to safely and efficiently derive hiPSCs may be of decisive importance to the future of regenerative medicine.KEYWORDS: iPSCs, ESC, reprogramming factor, reprogramming efficiency, somatic cell
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
The Role of Signal Transducer and Activator of Transcription 3 (STAT3) in Tumor Immunity Oeij Anindita Adhika; M Nurhalim Shahib
The Indonesian Biomedical Journal Vol 4, No 3 (2012)
Publisher : The Prodia Education and Research Institute (PERI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18585/inabj.v4i3.174

Abstract

BACKGROUND: Inflammation is a key component of the tumor microenvironment. Cancer-associated inflammation is marked by the presence of specific inflammatory cells and inflammatory mediators. Moreover, immune cells in the tumor microenvironment not only fail to mount an effective antitumor immune response, but also interact intimately with the tumor cells to actively promote oncogenesis.CONTENT: Their roles in regulating cytokine-dependent inflammation and immunity make the signal transducer and activator of transcription (STAT) proteins critical players in determining whether immune responses in tumor microenvironment promote or inhibit cancer. Recent evidence suggests a crucial role for STAT family proteins, especially STAT3 (signal transducer and activator of transcription 3), which is a point of convergence for numerous oncogenic signaling pathways, in selectively inducing and maintaining a procarcinogenic inflammatory microenvironment, both at the initiation of malignant transformation and during cancer progression. The persistent activation of STAT3 increases tumor cell proliferation, survival, and invasion while supressing antitumor immunity. SUMMARY: STAT3 signaling pathway constitutes a potential preventive and therapeutic target for cancer immunotherapy.  KEYWORDS: STAT3, inflammation, tumor microenvironment, cancer immunotherapy
Molecular Mechanisms of Cardiovascular Aging Anna Meiliana; Andi Wijaya
The Indonesian Biomedical Journal Vol 5, No 3 (2013)
Publisher : The Prodia Education and Research Institute (PERI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18585/inabj.v5i3.64

Abstract

BACKGROUND: The average lifespan of humans is increasing, and with it the percentage of people entering the 65 and older age group is growing rapidly and will continue to do so in the next 20 years. Within this age group, cardiovascular disease will remain the leading cause of death, and the cost associated with treatment will continue to increase. Aging is an inevitable part of life and unfortunately poses the largest risk factor for cardiovascular disease.CONTENT: We provide an overview of some of the molecular mechanisms involved in regulating lifespan and health, including mitochondria, telomeres, stem cells, sirtuins, Adenosine Monophosphate-activated Protein Kinase, Mammalian Target of Rapamycin and Insulin-like Growth Factor 1. We also provide future perspectives of lifespan and health, which are intimately linked fields.SUMMARY: Aging remains the biggest non-modifiable risk factor for cardiovascular disease. The biological, structural and mechanical changes in senescent cardiovascular system are thought to contribute in increasing incidence of cardiovascular disease in aging. Understanding the mechanisms contributing to such changes is therefore crucial for both prevention and development of treatment for cardiovascular diseases.KEYWORDS: cardiovascular aging, mitochondria, telomeres, sirtuin, stem cells
The Release of Total Metal Ion and Genotoxicity of Stainless Steel Brackets: Experimental Study Using Micronucleus Assay Irene Karlina; Rahmi Amtha; Boedi Oetomo Roeslan; Yuniar Zen
The Indonesian Biomedical Journal Vol 8, No 2 (2016)
Publisher : The Prodia Education and Research Institute (PERI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18585/inabj.v8i2.193

Abstract

BACKGROUND: Stainless steel brackets are composed of various metal that may corrode in oral cavity. Corrosion is caused by the release of metal ions such as chromium, nickel, and iron. The release of metal ions can cause adverse effects such as toxicity, allergic, and mutagenicity. To evaluate the biocompatibility of stainless steel brackets, micronucleus assay as one of genotoxicity assay is used in this study. To determine the differences and the correlation of metal ions release and genotoxic activity among three brand stainless steel brackets.METHODS: Three brands of brackets were immersed in artificial saliva for 672 hours and the release of ion chromium, nikel and iron were examined. The cytokynesis block micronucleus assay (CBMN) using lymphocytes was performed as well.RESULTS: The highest metal releasing were nickel, cromium, iron, respectively (30.5, 27.2, 23.4 ppb). There was a significant differences between total nickel and iron ion release among three brand brackets (p=0.04, p=0.02). Genotoxicity of metal ion released was correlated with durration of immersion brackets (p=0.01). Genotoxicity was significant correlated with the release of chromium (p=0.03) and nickel (p=0.01).CONCLUSION: Genotoxicity of stainless steel brackets was influenced by duration of immersion but not influenced by brand brackets. KEYWORDS: genotoxicity, stainless steel brackets, metal ion
Association of Free Fatty Acid (FFA), Fatty Acid Binding Protein (FABP) and Adiponectin with Tumor Necrosis Factor-alpha (TNF-alpha) and Interleukin-6 (IL-6) Among Obese Non Diabetic Males Yani Lina; Gatot Susilo Lawrence; Andi Wijaya
The Indonesian Biomedical Journal Vol 1, No 2 (2009)
Publisher : The Prodia Education and Research Institute (PERI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18585/inabj.v1i2.91

Abstract

BACKGROUND: The prevalence of obesity has increased dramatically in recent years. It is commonly associated with type 2 diabetes, coronary artery disease, and hypertension. White adipose tissue (WAT) is a major site of energy storage and is important for energy homeostasis. WAT has been increasingly recognized as an important endocrine organ that secretes a number of biologically active “adipokines”. The resultant higher FFA, FABP4, FABP5 concentration; and lower concentration of adiponectin is known to be correlated with inflammation. The aim of this study was to observe the correlation between FFA, FABP4, FABP5 and adiponectin with TNF-α and Interleukin-6 as markers of inflammation.METHOD: The study was observational with a cross sectional design. The analysis was done on 69 male subjects aged 30-60 years with non diabetic abdominal obesity which is characterized by waist circumference (WC) 98.7±6.5 cm and fasting blood glucose 87.1±9.7 mg/dL. FFA testing was performed by enzymatic colorimetric assay; whereas FABP4, FABP5, TNF-α, adiponectin and IL-6 were performed by ELISA. All statistical calculations were performed with the SPSS 11.5 statistical software package. We used the Pearson or Spearman’s rho correlation coefficient to assess the correlation between various anthropometric and biochemical measures. We also used path analysis Lisrel 8.30 for Windows.RESULT: This study revealed that there was no correlation between FFA, FABP4 and adiponectin with TNF-α and Interleukin-6, whereas there was correlation between FABP5 with TNF- and Interleukin-6. This study also showed there were correlations between WC and hsCRP (r=0.314, p=0.000), WC and IL-6 (r=0.276, p=0.022), FFA and FABP4 (r=0.263, p=0.029), FABP4 and WC (r=0.249, p =0.039), FABP4 and BMI (r=0.311, p=0.009), FABP5 and TNF- (r=0.408, p=0.000), FABP5 and FABP4 (r=0.296, p=0.014), FABP5 and Interleukin-6 (r=0.248, p=0.04), Adiponectin and HDL-Cholesterol (r=0.301, p=0.012).CONCLUSION: Abdominal obesity might contribute to inflammation in obese nondiabetic males. This study indicated that in abdominal obesity, FFA may induce inflammation through FABP4 and FABP5. Advancing our understanding of the function and measurement of FABP4 and FABP5 serum concentration will give insight into the clinical diagnosis of obesity-related metabolic disorders.KEYWORDS: Obesity, Waist Circumference, Free Fatty Acid (FFA), Fatty Acid Binding Protein (FABP), Adiponectin, TNF-α, Interleukin-6, Inflammation
Correlation of Ferritin and Transferrin Serum with hsCRP and F2-Isoprostane in Metabolic Syndrome Waode Nurfina; Irawan Yusuf; Mansyur Arif
The Indonesian Biomedical Journal Vol 2, No 3 (2010)
Publisher : The Prodia Education and Research Institute (PERI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18585/inabj.v2i3.127

Abstract

BACKGROUND: The low inflammatory state that accompanies the Metabolic Syndrome (MetS) associates with the overexpression of oxidative stress. Ferritin and Transferrin serum are often used to measure iron status and their concentrations are altered in several metabolic conditions. We hypothesized that concentration of Ferritin and Transferrin serum increase in Metabolic Syndrome (MetS) and correlate with the inflammation and oxidative stress.METHODS: We studied 65 male MetS patients, aged 43.26±7.16 years. Iron metabolism was measured by concentration of Ferritin and Transferrin serums, while inflammatory and oxidative stress by high sensitivity C-reactive Protein (hsCRP) and F2-Isoprostane.RESULTS: Concentration of Ferritin 315.70±188.63 ng/L and Transferrin 2.36±0.31 g/L increased along with increasing components of MetS. Concentration of Ferritin serum had a positive correlation with hsCRP (r=0.220) and F2-Isoprostane (r=0.023).CONCLUSION: Serum concentration of Ferritin increased in the MetS and correlates with hsCRP and F2-Isoprostane.KEYWORDS: metabolic syndrome, ferritin, transferrin, hsCRP, F2-isoprostane
Adipose-Derived Stem Cells for Future Regenerative System Medicine Yani Lina; Andi Wijaya
The Indonesian Biomedical Journal Vol 4, No 2 (2012)
Publisher : The Prodia Education and Research Institute (PERI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18585/inabj.v4i2.164

Abstract

BACKGROUND: The potential use of stem cell-based therapies for repair and regeneration of various tissues and organs offers a paradigm shift that may provide alternative therapeutic solutions for a number of disease. Despite the advances, the availability of stem cells remaining a challenge for both scientist and clinicians in pursuing regenerative medicine. CONTENT: Subcutaneous human adipose tissue is an abundant and accessible cell source for applications in tissue engineering and regenerative medicine. Routinely, the adipose issue is digested with collagenase or related lytic enzymes to release a heterogeneous population for stromal vascular fraction (SVF) cells. The SVF cells can be used directly or can be cultured in plastic ware for selection and expansion of an adherent population known as adipose-derived stromal/stem cells (ASCs). Their potential in the ability to differentiate into adipogenic, osteogenic, chondrogenic and other mesenchymal lineages, as well in their other clinically useful properties, includes stimulation of angiogenesis and suppression of inflammation.SUMMARY: Adipose tissue is now recognized as an accessible, abundant and reliable site for the isolation of adult stem cels suitable for the application of tissue engineering and regenerative medicine applications. The past decade has witnessed an explosion of preclinical data relating to the isolation, characterization, cryopreservation, differentiation, and transplantation of freshly isolated stromal vascular fraction cells and adherent, culture-expanded, adipose-derived stromal/stem cells in vitro and in animal models.KEYWORDS: adipose tissue, adult stem cells, regenerative medicine, mesenchymal stem cells
Correlation of Oxidized-LDL, Resistin and Interleukin-1 Beta in Centrally Obese Men Tri Nevita Margareth Panjaitan; Marita Kaniawati; Ilhamjaya Patellongi
The Indonesian Biomedical Journal Vol 5, No 1 (2013)
Publisher : The Prodia Education and Research Institute (PERI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18585/inabj.v5i1.52

Abstract

BACKGROUND: Obesity is one of serious health problems, which increases the risks of cardiovascular disease, type 2 diabetes mellitus, and cancers. It is strongly associated with changes in the physiological function of adipose tissue, leading to altered secretion of adipokines and activation of inflammatory signaling pathways. This study was aimed to investigate the correlation of resistin, interleukin-1 beta (IL-1β), and oxidized low-density lipoprotein (OxLDL) in centrally obese men.METHODS: The research was conducted with a crosssectional design involving 68 centrally obese men aged 31 to 60 years old, with waist circumference (WC) >90 cm. All subjects fulfilled the exclusion criteria. Anthropometric parameters, creatinine, estimated glomerular filtration rate (eGFR), serum glutamic oxaloacetic transaminase (SGOT), serum glutamic-pyruvic transaminase (SGPT), and high sensitivity C-reactive protein (hs-CRP) were measured. Serum concentrations of resistin, IL-1β and OxLDL were measured by enzyme-linked immunosorbent assay.RESULTS: The study results showed there was a significant correlation of WC-OxLDL (r=0.235; p=0.030) and some correlation of WC-resistin (r=0.201; p=0.050). However, we observed no significant correlation of IL-1β-OxLDL (r=0.042; p=0.369), resistin-OxLDL (r=-0.072; p=0.285) and WC-IL-1β (r=-0.042; p= 0.367).CONCLUSION: Our data show a relationship between WC and OxLDL, but the mechanism does not appear to be directly related to resistin or IL-1β.KEYWORDS: resistin, IL-1β, OxLDL, atherosclerosis
Telomere in Aging and Age-Related Diseases Anna Meiliana; Nurrani Mustika Dewi; Andi Wijaya
The Indonesian Biomedical Journal Vol 9, No 3 (2017)
Publisher : The Prodia Education and Research Institute (PERI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18585/inabj.v9i3.361

Abstract

BACKGROUND: The number of elderly population in the world keep increasing. In their advanced ages, many elderly face years of disability because of multiple chronic diseases, frailty, making them lost their independence. Consequently, this could have impacts on social and economic stability. A huge challenge has been sent for biomedical researchers to compress or at least eliminate this period of disability and increase the health span.CONTENT: Over the past decades, many studies of telomere biology have demonstrated that telomeres and telomere-associated proteins are implicated in human diseases. Accelerated telomere erosion was clearly correlated with a pack of metabolic and inflammatory diseases. Critically short telomeres or the unprotected end, are likely to form telomeric fusion, generating genomic instability, the cornerstone for carcinogenesis. Enlightening how telomeres involved in the mechanisms underlying the diseases’ pathogenesis was expected to uncover new molecular targets for any important diagnosis or therapeutic implications.SUMMARY: Telomere shortening was foreseen as an imporant mechanism to supress tumor by limiting cellular proliferative capacity by regulating senescence check point activation. Many human diseases and carcinogenesis are causally related to defective telomeres, asserting the importance of telomeres sustainment. Thus, telomere length assessment might serve as an important tool for clinical prognostic, diagnostic, monitoring and management.KEYWORDS: telomerase, cellular senescence, aging, cancer

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