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All Journal Prosiding Seminar Biologi AGRIVITA, Journal of Agricultural Science Indonesian Journal of Biotechnology Biosaintifika: Journal of Biology & Biology Education
Sukarti Moeljopawiro
Faculty of Biology, Gadjah Mada University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Materials Science & Nanotechnology

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Journal : Indonesian%20Journal%20of%20Biotechnology

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Cytotoxicity of Buah Merah (Pandanus conoideus Lamk.) Extract on Breast Cancer Cell Line (T47D) Nuringtyas, Tri R; Pratama, Yoga; G, Galih; Wahyuono, Subagus; Moeljopawiro, Sukarti
Indonesian Journal of Biotechnology Vol 19, No 1 (2014)
Publisher : Universitas Gadjah Mada

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Abstract

Buah Merah (Pandanus conoideus Lamk.) has been extensively used to treat various diseases includingcancer. There are many varieties of buah merah and there was no scientifi c study comparing cytotoxicity ofdifferent varieties. The objective of this study was to investigate the cytotoxicity of three varieties of buah merahknown as Barugum, Maler and Yanggiru on breast cancer cell line (T47D). All samples were collected fromPapua, Indonesia. Each sample was extracted consecutively using three solvents chloroform, methanol andwater resulted to nine crude extracts. The cytotoxic activities were determined using MTT assay. The crudeextract showed the lowest IC50 was selected for further bioassay-guided fractionation. Fractionation was doneusing vacuum liquid chromatography coupled with preparative TLC to fi nd the active compounds. Severaldetection reagents were applied to TLC for identifi cation of the class of the potent compounds. The resultshowed that the potent extracts was obtained from Barugum methanol extract followed by Maler chloroformextract with IC50 value of 132.83 μg/ml and 139.72 μg/ml, respectively. All Yanggiru extracts did not showactivity. The bioassay-guided fractionation of Barugum and Maler extracts showed that the most potent fractioneluted by a mixture of hexane:ethyl acetate (75:25), was in Maler variety with IC50 value of 25,7 μg/ml, fourtimes higher than the most potent fraction of Barugum with IC50 value of 104,61 μg/ml. TLC analysis of themost potent fraction showed that the active compounds was class of terpene. Result of this study supportedthe utilization of buah merah Maler variety for breast cancer treatment.
Cloning of cDNA Encoding GRA1 Protein of Tachyzoite Toxoplasma Gondii Local Isolate Sulistyaningsih, Erma; Moeljopawiro, Sukarti; Subandono, Jarot; Artama, Wayan T.
Indonesian Journal of Biotechnology Vol 10, No 1 (2005)
Publisher : Universitas Gadjah Mada

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Abstract

Gene encoding GRA1 protein is potent DNA-vaccine candidate against toxoplasmosis. The aim of the researchwas to clone the gene encoding GRA1 protein of tachyzoite Toxoplasma gondii local isolate by DNA recombinanttechnology. Tachyzoite was grown in Balb/c mice in vivo. Messenger RNA was isolated from total RNA and itwas used to synthesis cDNA. Complementary DNA encoding GRA1 protein of tachyzoite Toxoplasma gondii localisolate was amplified and cloned in a prokaryote cloning vector. The recombinant GRA1-encoding gene was thendigesting using EcoRI restriction endonuclease and sequencing. The result showed that the recombinant GRA1-encoding gene consisted of DNA sequences encoding all signal peptide and mature peptide of GRA1 protein.Alignment of recombinant GRA1 sequence to gene encoding GRA1 protein of Toxoplasma gondii RH isolate showed100% homologous.Keywords: GRA1 protein, Toxoplasma gondii, tachyzoite, cloning, cDNA
Co-Authors . HERNAYANTI Ahmad Hamim Sadewa Ari Indrianto Aziz Purwantoro Bambang Hariono Bambang Setiaji Endang Semiarti Erma Sulistyaningsih Galih G, Galih Jarot Subandono Kumala Dewi LANGKAH SEMBIRING Nintya Setiari Noor Aini Habibah Sarkono Sarkono Subagus Wahyuono Tri R Nuringtyas, Tri R Wayan T. Artama Yoga Pratama, Yoga