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Journal of the Medical Sciences (Berkala Ilmu Kedokteran)
Core Subject : Science,
Journal of the Medical Sciences (JMedSci) or Berkala Ilmu Kedokteran (BIK) is an international, open-access, and double-blind peer-reviewed journal, published by Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada Yogyakarta Indonesia. JMedSci aiming to communicate high-quality articles in the areas of biomedical science from basic to clinical sciences.The journal welcomes papers from original articles, case reports, reviews, and book reviews. All papers published in JMedSci are freely available as downloadable pdf files. The journal began its publication on March 1973 and published quarterly (January, April, July, and October). JMedSci is abstracted and indexed in DOAJ, Crossref, Google Scholar, Sinta, Indonesia One Search. JMedSci is accredited by Directorate of General Higher Education, the Ministry of Research, Technology, and Higher Education, Indonesia
Articles 35 Documents
Search results for , issue "Vol 48, No 4 (2016): SUPPLEMENT" : 35 Documents clear
The Expression of Homo Sapiens microRNA-21 (Hsa-miR-21-5p) and mRNA Reversion Inducing Cysteine Rich Protein with Kazal Motifs (RECK) in Plasma of Epithelial Ovarian Cancer Aprilia Indra Kartika; SN Chasanah; AS Fitriawan; DS Tanjung; MS Ftria; FK Pakun; R Oktriani; A Trirahmanto; H Prajatmo; T Aryandono; SM Haryana
Journal of the Medical Sciences (Berkala Ilmu Kedokteran) Vol 48, No 4 (2016): SUPPLEMENT
Publisher : Journal of the Medical Sciences (Berkala Ilmu Kedokteran)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (168.519 KB) | DOI: 10.19106/JMedScieSup0048042016015

Abstract

ABSTRACT Epithelial Ovarian Cancer (EOC) is malignant cancer that caused death for most women in Indonesia. The emergence of EOC showed no specific symptoms in its early stages; that makes the screening mostly occur when patients are in advanced stage. Treatment of EOC at an advanced stage will be more challenging with poor prognosis. Therefore, minimally invasive biomarkers are needed to diagnose at the early stage. microRNA is one of the potential biomarkers which not only expressed inside the cell but also secreted outside the cell with exosome protection. This protection makes microRNA stable. Moreover, several studies have shown the ability to detect microRNA in the blood sample. microRNA-21 (miR-21) is oncomiR which targeted tumor suppressor mRNA RECK based on in silico analysis.The first aim is to determine the expression of miR-21 in plasma samples of EOC patients compared with healthy controls. The second aim is to investigate the expression correlation between miR-21 and RECK mRNA.Blood samples were collected from 30 patients and 30 healthy controls. Plasma was then obtained from centrifugated blood samples. The total RNA was isolated and reverse transcribed to produce cDNAs. cDNAs were then quantified using qPCR using specific primer for miR-21 and RECK mRNA. The expression analysis was done relative expression method by Livak. The expression of miR-21 was calculated using the miR-16 expression as the reference gene. Also, Beta-actin was used as reference gene for RECK mRNA calculation. The correlation between the expression of miR-21 and mRNA RECK was analyzed using the Spearman rho correlation analysis.In this study showed the expression of miR-21 in patients with EOC increased 4.7579-fold compared with healthy controls (p <0.05). On the other hand, the miR-21 target, RECK mRNA, decreased 4,2 times with fold change 0.237665 on plasma EOC patients compared with healthy controls (p <0.05). The statistical calculation of the expression of miR-21 and mRNA RECK was inversely proportional to mRNA RECK with a strong correlationThis study has been able to prove that the expression of miR-21 is up-regulated in EOC patients and confirmed by the down-regulation of RECK expression. The next research challenge is to make anti-miR-21 to suppress the expression of miR-21 in EOC, which can be analyzed the effect of miR-21 in the development of EOC.
ROLE OF DNA METHYLATION AS A DIAGNOSTIC BIOMARKER OF SPORADIC BREAST CANCER Wirsma Arif Harahap
Journal of the Medical Sciences (Berkala Ilmu Kedokteran) Vol 48, No 4 (2016): SUPPLEMENT
Publisher : Journal of the Medical Sciences (Berkala Ilmu Kedokteran)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (160.206 KB) | DOI: 10.19106/JMedScieSup004804201636

Abstract

The initiation and progression of breast cancer have been recognized for many years to be secondary to the accumulation of genetic mutations which lead to aberrant cellular function. Genetic mutations, either inherited or sporadic, may result in the activation of oncogenes and the inactivation of tumor suppressor genes. The more recent discovery that reversible alterations in histone proteins and deoxyribonucleic acid (DNA) can also lead to tumorigenesis has introduced a novel term to the field of cancer research: epigenetics.  Epigenetics refers to the study of heritable changes in gene regulation that do not involve a change in the DNA sequence. The most often studied in epigenetics of breast cancer is DNA methylation. That a promoter methylation result in transcription blockade supports the notion that cellular inhibition takes place. Compared to normal tissues, hypermethylation occurs from double to triple in cancerous ones. DNA methylation plays a crucial role in oncogenesis and is one of the hallmarks of cancer.Detection of aberrantly methylated CpG islands in promoter region of several genes in DNA sample derived from nipple aspirates, serum, or cancer tissue associated with down regulation of expression or loss of function of these genes has been associated with early stages of breast cancer, where  hypermethylation of CpG island points to poorer prognosis in breast cancer.  DNA methylation has been identified as signature for TNBC. Methylation of BRCA1 gene is frequently demonstrated in young, estrogen receptor-negative breast cancer patients. Methylation of specific genes is known to differ across race and socioeconomic status. BRCA1 methylation in premenopausal women with sporadic breast cancer in West Sumatra region has been higher than in Western women.DNA methylation may be used to enhance current breast cancer classification. There is such a distinction between methylation and gene expression profiles of breast cancer that not all methylation profiles fit within the same molecular subtype. Specific gene methylation profiles are identified for basal-like, luminal A and HER2-overexpressing breast cancers. A number of studies have analyzed the methylation status of BRCA1, a key player in TNBC. One study demonstrated that BRCA1 promoter was methylated in TNBC.  It was discovered that the sensitivity of TNBC cell lines to PARP inhibitors was increased when BRCA1 was methylated. Concurrently, BRCA1 methylation quantity was higher in patients with complete response than in those who are non-responders of neoadjuvant chemotherapy.Epigenetics is now the cutting edge of cancer research.  Advances in this field will have major implications in diagnosis, prevention, treatment of cancer, and formulation of new epigenetically targeted cancer drugs.
Management of hereditary breast cancer: Surgeon's perspective Ava Kwong
Journal of the Medical Sciences (Berkala Ilmu Kedokteran) Vol 48, No 4 (2016): SUPPLEMENT
Publisher : Journal of the Medical Sciences (Berkala Ilmu Kedokteran)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (92.312 KB) | DOI: 10.19106/JMedScieSup004804201606

Abstract

Mutations due to hereditary related genes such as BRCA1, BRCA2, TP53 and PTEN confer greater risk of developing breast cancer and for BRCA mutations, also ovarian cancer. The risk assessment based on genetic testing allows options of high risk surveillance, prevention and may now also guide use of specific therapies for treatment such as targeted therapies and use of platinum base chemotherapy. The choice of management, once an individual has been found to carry the BRCA mutation may also vary. Moreover the availability of genetic testing, method of testing such as the transition into the use of Next Generation Sequencing techniques has also increased options of clinicians to the choice of testing.Breast Surgeons are most likely to be the first person who encounters the first presentation of a breast cancer patient. It is important for breast surgeons to be actively involved in the referrals of patients for genetic testing and subsequently planning of the management of such high risk individuals in a multidisciplinary setting. Basic principles of genetic testing and choice of management will be discussed in reference to the surgeon’s perspectives. Keywords: mutations, BRCA1. BRCA2. TP53, PTEN, NGS, multidisciplinary setting
BRCA1 and BRCA2: Lack of Certainty and Its Clinical Implications Samuel J Haryono
Journal of the Medical Sciences (Berkala Ilmu Kedokteran) Vol 48, No 4 (2016): SUPPLEMENT
Publisher : Journal of the Medical Sciences (Berkala Ilmu Kedokteran)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (94.274 KB) | DOI: 10.19106/JMedScieSup004804201629

Abstract

AbstractIn this time of amounting cancer incidence and mortality, genetic testing may be greatly valuable in deciding on appropriate clinical management. It is unfortunate that the test is not a practical interrogative problem. When positive, the patients can settle down with what to do next, whereas when negative, their family members may breathe out in relief from unnecessary intensive surveillance and prophylaxis, and then there is VUS (Variants of Uncertain Significance).            How should a health provider deliver the elaboration and implication of VUS to a patient who had expended a lump sum of and had expected a level of certainty? Variants of UncertainSignificance have nowadays become a challenging spoiler in the setting of clinical management of cancer. How would one inform someone else on anything uninformative?            BRCA1 and BRCA2 are two genes with high penetrance in breast cancer. Since their functions as tumor suppressor genes and DNA repair regulators, their mutation effects are only visible when there is Loss of Heterozygosity. Mutation of BRCA1/2 gene can be demonstrated within the tissue specimen and blood sample DNA; that would mean it has occupied all tissues and is inheritable.            In the case of BRCA1 and BRCA2 mutations, 10-20% of all genetic test results will read VUS,  In one previous study of sixteen Indonesian patients, 13 (81,25%) patients had VUS. There were variants that had not been found in other population. Trans-academically speaking, the reclassification of VUS in BRCA1/2 gene is not merely a challenge to clarify its clinical impacts, but also an obligation to accomplish our community contribution to science.There can be a set of factors to suggest that a VUS may be a deleterious mutation:Co-segregation: when the variant comes with multiple and multigenerational incidence of cancer, it is possible.Epidemiology: when a case control study demonstrates prevalence discrepancy, it is possible.Co-occurrence with deleterious mutation: when the variant is shared within the same gene in other individuals, it is possible.Evolutionary data: when the sequence is carried across species, it is possible.Amino acid substitution: when the substitute is structurally similar, it is impossible.Loss of heterozygosity: when there is loss of a wild type allele in tumor specimen, it is possible.Functional analysis: should an in vitro assay demonstrate a loss of protein function, it is probable.The ultimate solution is not yet available. However, there is clinical significance for families with VUSs, only if that can confidently be classified as the presence or absence of the associated disease. That condition may be achieved by increasing the availability of genetic testing so that there can be a larger, open-access repertoire of VUSs.
One Step Nucleic Acid Amplification (OSNA) Study in Indonesia Samuel J Haryono; Lenny Sari; Sony Sugiharto; I Gusti Bagus Datasena; Raymond Mulyarahardja; . Rudianto
Journal of the Medical Sciences (Berkala Ilmu Kedokteran) Vol 48, No 4 (2016): SUPPLEMENT
Publisher : Journal of the Medical Sciences (Berkala Ilmu Kedokteran)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (92.981 KB) | DOI: 10.19106/JMedScieSup004804201625

Abstract

ABSTRACTSentinel lymph node (SLN) is defined as the first of a few selected lymphatic nodes, into which lymphatic fluid from a primary tumor drains. Streamlined processing of sentinel lymph nodes (SLN) for detection of lymph node metastasis involves the able command over methodical blocks of SLN identification, surgical removal of SLN and SLN analysis. One Step Nucleic Acid Amplification (OSNA) method, which relies on CK19 mRNA expression to detect intraoperatively  lymph node metastases in breast cancer cases, emerged as a plausible alternative to the current gold standard that uses histopathological node analysis. Sixty selected axillary sentinel lymph nodes from thirty breast cancer patients. Sentinel lymph nodes were directly bi-halved after collection using customized lymph node cutting device (Sysmex), or scalpel. The first halves were subjected to histopathological examination and were stored in specimen containers containing fresh formaldehyde prior to processing. The adjacent halves were weighed to comply with the required mass by OSNA detection in the range of 50 – 600 mg and wrapped in clean foils for storage in -80°C prior to OSNA analysis. 60 SLNs were same diagnosis using both methods. 25 SLNs were negative and 25 SLNs were positive using both methods. 3 SLNs were positive on OSNA but negative on histology. Other 7 SLNs were negative on OSNA but positive on histology, and these 1 nodes contained only micrometastasis lesion. These results suggest that OSNA is a useful for detecting SLNs metastasis, but a copy number of CK19 might be an indepedent factor from prediction and prognosis of breast cancer.   
THE EXPRESSION OF Hsa-miR-21-5p AS MINIMAL INVASIVE MARKER TO ADJUVANT CHEMOTHERAPY IN BREAST CANCER PATIENTS Dewi Safitri Tanjung; MS. Fitria; AI. Kartika; D. Rakhmina; SL. Anwar; R. Oktriani; . Irianiwati; SM. Harjana; T. Aryandono
Journal of the Medical Sciences (Berkala Ilmu Kedokteran) Vol 48, No 4 (2016): SUPPLEMENT
Publisher : Journal of the Medical Sciences (Berkala Ilmu Kedokteran)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (93.19 KB) | DOI: 10.19106/JMedScieSup004804201605

Abstract

AbstractBreast cancer remains the leading cause of death among women, and there is a need to develop minimally invasive marker. In our previous study based on clinicopathologic in pre-chemotherapy patients showed miR-21 was upregulated 1.32 times higher at advanced stage compared with early stage. Therefore the matched patients for post-chemotherapy samples were used. The aim of this research is to examine the expression of miR-21 as potential marker to adjuvant chemotherapy in breast cancer patients. The samples were taken by using cross sectional method with total 39 blood plasma samples from breast cancer patients in adjuvant chemotherapy and 12 healthy control samples. Plasma was obtained from blood samples and then RNA isolated were performed. Total RNA was reverse transcribed using cDNA synthesis. The expression of miR-21 was then analyzed using specific primer for miR-21 and miR-16 as the reference gene. Livak Method was used to calculate the expression level in each group. The result showed that there is significant downregulated expression of miR-21 in postchemotherapy 2.61 fold compared with pre-chemotherapy (p<0.05). The expression of miR-21 upregulated 2.2 folds (p<0.05) in pre-chemotherapy compared with healthy control, while in post-chemotherapy compared with healthy control, the expression of miR-21 was 0.8 fold (p<0.05). In conclusion, Hsa-miR-21-5p can be used as marker for adjuvant chemotherapy response in breast cancer because there is significant different expression between prechemotherapy, post-chemotherapy and healthy control. The continuation research in the near future for detecting the expression of tumor suppressor protein regulated by miR-21 is needed.Keywords: breast cancer, adjuvant chemotherapy, miR-21, minimal invasive marker
Bacterionomics and vironomics in carcinogenesis Pratiwi Sudarmono
Journal of the Medical Sciences (Berkala Ilmu Kedokteran) Vol 48, No 4 (2016): SUPPLEMENT
Publisher : Journal of the Medical Sciences (Berkala Ilmu Kedokteran)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (117.428 KB) | DOI: 10.19106/JMedScieSup004804201626

Abstract

Virus and bacteria are microbes which are very common cause human infection. Most of the bacterial infection can be eradicated by antibiotics and infection symptoms disappear. But for virus infection, once infected, the virus will persistently stay in the host, even undergo not only a lytic cycle but also integrated into host genome. Nowadays, at least 6 virus type are consistently related to human cancer, such as EBV,HPV,HTLV,HBV,HCV,HKSV, and the new one Merkel Virus (MCV). Although not every infected people will get cancer, but around 20% of the whole cancer in human are caused by viral oncogene.Class one oncogenic bacterial is Helicobacter pylori. Infection with this bacteria can cause persistent gastro duodenal inflammation which cause some alteration in gastric cell growth into transformation. Expression of Cag gene and Vac gene and some expression of OMP protein usually link to gastric cancer.Molecular mechanisms of carcinogenesis for every virus which cause infection  is a very complex , which include several processes caused by cell transformation. Besides, other host and environmental factors are also play a significant role in cancer development. Some scientist put a Hallmark analysis as a model to quickly summarize what pathobiology process will happen and what gene or protein caused the process. The Hallmark analysis comprise of several process which may happen simultaneously because some of the Hallmark is caused by the same protein. The Hallmark consists of various virus strategies in oncogenesis such as promoting angiogenesis, avoiding immune destruction, genome instability and mutation, deregulating cellular energetic, resisting cell death, sustaining proliferative signaling, evading growth suppressors, enabling cellular immortality, promoting inflammation and activation metastasis. For example, infection by HPV, will cause low grade dysplasia which can continue to invasive cervical cancer. After host cell transformation, in the long control region genes, E6 and E7 protein will cause several strategies in oncogenesis including resisting cell death and evading growth suppressors.  HBV infection will end without any serious liver damage, but after cell transformation, almost all Hallmark strategies of viral oncogenesis are happening step by step in line with the severity of liver cell damage.As the onset of cancer development after infection can last years, there are an opportunity to design either vaccine or genetic therapy to minimalize further risk of cancer in human 
Optogenetics, A Futuristic Panacea in Genetics Dito Anurogo; Taruna Ikrar
Journal of the Medical Sciences (Berkala Ilmu Kedokteran) Vol 48, No 4 (2016): SUPPLEMENT
Publisher : Journal of the Medical Sciences (Berkala Ilmu Kedokteran)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (174.478 KB) | DOI: 10.19106/JMedScieSup004804201604

Abstract

AbstractOptogenetics is the constellation of optics, genetics and bioengineering which unites genetic engineering with optics to notice and manage the function of genetically targeted groups of cells with light, often in the intact animal, via light-sensitive microbial membrane proteins (opsins). Light-sensitive genes specifically including the genetically targeted light-gated channels channelrhodopsin-2 (ChR2) and halorhodopsin (NpHR) result in intracellular ion flow during optical illumination. Afterward, the neurons encounter a series of changes resulting from membrane depolarization or hyperpolarization. Although the rooted origins of optogenetics is from neuroscience, it can be potentially applied in neuropsychocardioncology (neurology, psychiatry, oncology, and cardiology).This critical review will explicate a comprehensive summary of the roles of optogenetics in the field of neuropsychocardioncology.Optogenetics can be potentially developed as neuroprosthetics and direct NpHR in the management of spastic movement disorders. Optogenetics can control of larynx muscle contraction in vivo, using both transgenic ChR2 expressing mice and viral transduction of muscle.In epilepsy, the efficacy of optogenetics is proved. Pyramidal cells in the cortex were transduced with halorhodopsin, and photoinhibition of the neurons decreased electrical seizure activity. Optogenetic and DREADD technologies are in their early stages, particularly with respect to PD research or therapy.In autism and schizophrenia, behavioral deficits may arise from elevation in the cellular balance of excitation/inhibition (E/I balance) within neuronal microcircuits. This hypothesis was tested by optogenetically elevating the E/I balance in the medial-prefrontal cortex using a step-function opsin (SSFO), together with red-shifted opsins (C1V1). Increased excitation in excitatory pyramidal neurons, lead to social-cognitive dysfunctioning which are similar to those seen in autism. Cortical gamma oscillations are an indicator of enhanced information processing, which is highly affected in schizophrenic patients.Using optogenetic technology, researchers divulge the characterization of phosphatidylinositol 3-kinase (PI3K) in Rac1-dependent lamellipodial motility in PC-3 prostate cancer cells. PI3K, acting downstream of Rac1, has an important role in the initiation of lamellipodial extension, which underlies prostate cancer cell invasion and metastasis. As in Parkinson, human cells can be engineered to deliver the excitatory (hM3Dq receptor) and/or the inhibitory (hM4Di receptor) form so that cellular activity may be turned up or down.The optogenetic TCU (tandem-cell-unit) strategy can be valuable in appraising tissue graft integration and cell delivery in the myocardium during cardiac tissue repair procedures. Low-energy pacing strategies can be srutinized by optogenetic investigations. Specifically, optical stimulation can be aimed for strategic structures of the conduction system.   Optogenetic studies have already contributed to a better understanding of the neural circuits affected in many disorders. A conceptual and mutual understanding of multidisciplinary approaches and collaboration will enable researchers, clinicians, stakeholders, government develop and apply optogenetics in comprehensive medical services and health care.Keywords: optogenetics, opsins, neuropsychocardioncology, SSFO, DREADD, TCU. 
The Expression of microRNA-155 and mRNA Hypoxia Inducible Factor Alpha (HIF1A) in the early and advanced stages of ovarian cancer patients blood plasma S.N. Chasanah; A.S. Fitriawan; F.K. Pukan; A.I. Kartika; R, Oktriani; A. Trirahmanto; H. Pradjatmo; T. Aryandono; S.M. Haryana
Journal of the Medical Sciences (Berkala Ilmu Kedokteran) Vol 48, No 4 (2016): SUPPLEMENT
Publisher : Journal of the Medical Sciences (Berkala Ilmu Kedokteran)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (93.458 KB) | DOI: 10.19106/JMedScieSup004804201620

Abstract

Ovarian cancer has the problem turned out to be the greatest and almost half the death rate of mortality throughout gynecological malignancy. Ovarian cancer is found in the female reproductive organs and the second most common cancer after cervical cancer. The process of carcinogenesis of ovarian cancer occurs at the molecular level, regulated by microRNA. At in silico research that has been done, it is known that microRNA-155 (miR-155) targeted mRNA HIF1A which is the regulator genes in hypoxia conditions. HIF1A involved in various cancer hallmarks, where some of them have roles in Warburg effect and also as genetical transcription factors in angiogenesis. Regulation of miR-155 and mRNA HIF1A believed to be involved in the process of ovarian cancer progression and thus potentially as minimally invasive biomarker for prognosis. The aim of this study is to determine whether there are differences in the expression of miR-155 and mRNA HIF1A in plasma ovarian cancer patients at the early stage compared with the advanced stage.The samples using blood plasma from ovarian cancer patients RSUP Dr. Sardjito with 32 ovarian cancer patients early stages and 20 ovarian cancer patients advanced stages. Total RNA was isolated from blood plasma samples of ovarian cancer patients.  cDNA synthesis from total RNA was performed to obtain cDNA. The expression of miR-155 and HIF1A were calculated using qPCR. qPCR results were analyzed using Biorad CFX Manager Software. The analysis showed that the expression of miR-155 were 2,18 times lower (p-value = 0,018*) in the plasma of advanced stage ovarian cancer compared with early stage, the differences were statistically significant (p value≤ 0,05). Whereas the mRNA expression HIF1A were 2,46 times higher (p-value = 0,039*) in the plasma of advanced stage ovarian cancer compared with early stage, the differences were statistically significant (p value≤ 0,05). This study has proved that miR-155 expression is downregulated and followed by upregulation of mRNA expression HIF1A at an advanced stage ovarian cancer compared with early stage.  Keywords: Plasma, stage ovarian cancer, microRNA-155, mRNA HIF1A
DNA extraction, Polymerase Chain Reaction, and Sequencing : Workshop in Clinical Genetics Sumadi Lukman Anwar
Journal of the Medical Sciences (Berkala Ilmu Kedokteran) Vol 48, No 4 (2016): SUPPLEMENT
Publisher : Journal of the Medical Sciences (Berkala Ilmu Kedokteran)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (93.034 KB) | DOI: 10.19106/JMedScieSup004804201633

Abstract

AbstractDNA extraction, Polymerase Chain Reaction (PCR), and Sequencing are basic methods in molecular biology and genetics. Those there are routinely performed as basic methods in genetic research and currently also for diagnostic lab especially for pathology and human genetics. With the advance in the genetics and clinical service for cancer management, mutation analysis is very important not only for diagnosis but also for prediction of therapeutic response. Detection of KRAS, BRAF, EGFR, and c-KIT mutations is presently performed in almost every molecular pathology lab as part of daily clinical service in cancer management. In this workshop we will discuss tips and tricks for those three basic lab methods. How to improve amount and purity of DNA extraction from blood and tissues, how to avoid DNA degradation during the procedure and storage, how to perform PCR, factors and substance that inhibit polymerases during PCR, how to design effective primer pairs, and how basic theory for sequencing, and interpretation of sequencing will be discussed. Although it has been widely discussed, this workshop is especially important for clinicians who previous do not have hands-on laboratory experience. In addition, number of labs with ability to perform and serve basic genetic and molecular analysis are still limited in Indonesia. With this workshop, we expect to improve knowledge and skill in DNA extraction, PCR, and Sequencing.Keywords : DNA, PCR, sequencing

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