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Hadyanto Lim
Departement Of Pharmacology, Faculty Of Medicine, Universitas Methodist Indonesia, Medan
Medicine & Pharmacology Public Health

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Short-term intravenous zoledronic acid in severe osteogenesis imperfecta : A report of three siblings of children Lim, Hadyanto; Zein, Umar; Siregar, Yahwardiah; Marpaung, Blondina; Sinaga, Jaminsen
Medical Journal of Indonesia Vol 17, No 2 (2008): April-June
Publisher : Faculty of Medicine Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (350.322 KB) | DOI: 10.13181/mji.v17i2.310

Abstract

This report documented the clinical and biochemical side effects on the first dose of intravenous zoledronic acid therapy in three siblings with severe osteogenesis imperfecta. Zoledronic acid was administered in 50 ml 0.9% saline solution over a period of 30 minutes. All patients had fever during the first 6 to 48 hours after the first infusion. There were no renal side effects, apart from asymptomatic hypocalcemia and hypophosphatemia at 48 and 72 hours after zoledronic acid infusion. The minimal clinical side effects were easily manageable. (Med J Indones 2008; 17: 127-30)Keywords: zoledronic acid, osteogenesis imperfecta, side effects
miR-21 Expression in Grade I, II, and III Breast Cancer -, Juwita; Ompusunggu, Henny E.S.; Nauphar, Donny; Pardede, Sumondang M.; Lim, Hadyanto; Siregar, Yahwardiah
Indonesian Journal of Medicine Vol 1, No 1 (2016)
Publisher : Masters Program in Public Health, Universitas Sebelas Maret, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (255.473 KB)

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Background: Breast cancer is the second largest cancer in the world.The gold standard for breast cancer diagnosis and prognosis is grade assessment (mitotic, nuclear pleiomorphism, tubular formation), based on breast tissue histopathology. However, this assessment has limitation in that it is subjective and semi quantitative. A genetic biomarker known as  microRNA (miRNA) may regulate human gene expression by targetting mRNA. One of the miRNA, i.e. miR-21, is able to suppress tumor suppressor mRNA, resulting in increased cellular proliferation andneoplastic transformation, and decreased apoptosis. This study aimed to investigate the expression of miR-21in breast cancer with histopathologic grade I, II, and III.Subjects and Method: This was a descriptive study with cross-sectional design involving paraffin block (FFPE) samples of ductal-type breast cancer tissue. Sixty four samples were obtained from the department of Anatomical Pathology, Haji Adam Malik Hospital, Medan. Patients history were obtained through medical records followed by sample processing (Total RNA Isolation, cDNA Synthesis, and Examination of miR-21 Expression using Real-Time qPCR). MiR-21 expression from every hystopathologic grade was obtained using Fold Change Calculation.Results: Breast cancer occurred more frequently in age group of 30-49 years old. Based on the histopathologic grade, most breast cancer was found in grade II. Analysis of miR-21 expression showed that miR-21 expression was higher in grade III compared to other grade.Conclusion: Breast cancer occured more frequently in the productive age group.Most breast cancer were found in grade II. Increased miR-21 expression in grade III may suggest that miR-21 is an oncomiR, which plays an important role in the development of malignant breast cancer.Keywords: breast cancer, histopathology grade, miRNA, miR-21.Correspondence: Juwita. Masters Program in Biomedical Sciences, Faculty of Medicine, North SumateraUniversity, Medan. Mobile: 08125262339.Indonesian Journal of Medicine (2016), 1(1): 26-33https://doi.org/10.26911/theijmed.2016.01.01.04
MicroRNA-155 Tissue Expression in Patients with Breast Cancer at Dr Haji Adam Malik Hospital, Medan Ompusunggu, Henny Erina Saurmauli; -, Juwita; Nauphar, Donny; Pardede, Sumondang M.; Lim, Hadyanto; Siregar, Yahwardiah
Indonesian Journal of Medicine Vol 1, No 1 (2016)
Publisher : Masters Program in Public Health, Universitas Sebelas Maret, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (319.615 KB)

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Background: MicroRNA (miRNA) is noncoding-RNA that comprises 18-22 nucleotides. miRNA binds its gene targets in the 3-untranslated region (3-UTR), causing direct degradation of mRNA and repressed translation of RNA. MicroRNA regulates various biological processes, including cell proliferation, apoptosis, cell growth, cell differentiation, and metabolism. Various changes have been identified miRNA expression in different types of cancers. This study aimed to describe the expression of miR-155 in patients with breast cancer tissue in Haji Adam Malik Hospital in Medan.Subjects and Method: This was a descriptive study. A total sample was 64 paraffin tissue blocks was taken from female patients with breast cancer at the surgical oncology unit, Haji Adam Malik Hospital in 2013-2014. RNA sample were isolated and checked using a spectrophotometer followed by cDNA synthesis. Then this sample was analyzed for miR-155 expression by using Real Time qPCR. Histopathological grade data were obtained from the medical record.Results: The miR-155 expression in the breast cancer patients is higher than that in the UniSp6 RNA Spike-in (internal controls). miR-155 expression was 29.64, 28.44, 29.22, in grade-I, grade-II, grade-III breast cancer, respectively. UniSp6 RNA Spike-in was 22.30, 22.89, 23.10, respectively in the control groups. Thus, increased of miR-155 expression was the highest in grade I breast cancer patients.Conclusion: Increased miR-155 expression can be used as a biomarker for early diagnosis and prognosis of breast cancer.Keywords: miRNA, miR-155, breast cancer.Correspondence: Henny Erina Saurmauli Ompusunggu. Department of Cellular and Molecular Biology, Faculty of Medicine, HKBP Nommensen University, Medan. Email: ompusunggu.henny@gmail.comIndonesian Journal of Medicine (2016), 1(1): 20-25https://doi.org/10.26911/theijmed.2016.01.01.03
The influence of glutathion S-transferase P-1 polymorphism A313G rs1695 on the susceptibility to cyclophosphamide hematologic toxicity in Indonesian patients Hasni, Dita; Siregar, Kamal B.; Lim, Hadyanto
Medical Journal of Indonesia Vol 25, No 2 (2016): June
Publisher : Faculty of Medicine Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (531.425 KB) | DOI: 10.13181/mji.v25i2.1308

Abstract

Background: Chemotherapy often causes side effects such as hematologic toxicity. The degree of toxicity is often associated with genetic polymorphism. This study aims to determine the influence of GSTP1 A313G polymorphism, an enzyme responsible for detoxifying cyclophosphamid, on incidence and severity of cyclophosphamid hematologic toxicity.Methods: 91 Indonesian females diagnosed with breast cancer at Haji Adam Malik Central General Hospital, Medan, receiving cyclophosphamide, doxorubicin/epirubicin and 5-FU were included in this retrospective cohort study. DNA was extracted from peripheral leukocytes and GSTP1 A313G genotyping was analyzed using polymerase chain reaction-restriction length fragment polymorphism (PCR-RFLP). Genotype deviation and allele frequencies were also determined by Hardy-Weinberg Equilibrium. The degrees of hematologic toxicity (leucopenia and neutropenia data after chemotherapy cycles 1 and 3) were collected from the patient medical records. The data were analyzed using chi-square test.Results: 60.4% of the patients had the wildtype (A/A), while 29.7% were heterozygous (A/G), and 9.9% were homozygous mutant (G/G). There was no significant deviation of allele and genotype frequency from Hardy-Weinberg Equilibrium. The G allele (A/G & G/G) contributes to more severe degree of leukopenia compared to patients with wild type allele (A/A)  (p<0.05) after the 3rd chemotherapy cycles.Conclusion: There was association between GSTP1 polymorphism with the degree of hematologic toxicity in breast cancer patients receiving cyclophosphamide chemotherapy regimen.
Co-Authors Blondina Marpaung Donny Nauphar Hasni, Dita Henny Erina Saurmauli Ompusunggu Jaminsen Sinaga Juwita -, Juwita Ompusunggu, Henny E.S. Pardede, Sumondang M. Siregar, Kamal B. Umar Zein Yahwardiah Siregar