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Journal : INDONESIAN JOURNAL OF PHARMACY

CYP1A1 and GSTm expression of hepatocytes induced by 7,12-dimethylbenz(a)anthracene and the influence of ethanolic extract of Gynura procumbens Iwan Sahrial Hamid; Sugiyanto .; Edy Meiyanto; Sitarina Widyarini
Indonesian Journal of Pharmacy Vol 20 No 4, 2009
Publisher : Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (315.093 KB) | DOI: 10.14499/indonesianjpharm0iss0pp198-206

Abstract

The cytochrome P-450 (CYP) and glutathione S-transferase (GST) enzyme systems may influence the biological effects of carcinogens. As such, these enzymes may predict the developmental risk of breast cancer, as well as be potential targets for chemoprevention. The purpose of this study was to compare the expression of CYP1A1 and GST* between treatment groups. Expression of CYP1A1 and GST* was quantified in liver tissue from 18 female Sprague Dawley rats aged 40 days, which randomly divided into six treatment groups. Those are base line group (without DMBA and ethanolic extract treatment), DMBA induced cancer group, the other two groups was administrated by DMBA after treated by ethanolic extract in two different doses, 300 mg /kg BW and 750 mg/kg BW. The last two groups were given two doses of extract ethanolic only, without initiated of DMBA. The ingestion of the extract was carried for three weeks and the ingestion of DMBA was performed twice in the third week. The expression CYP1A1 and GST was quantified by immunohistochemistry. CYP1A1 expression was significantly higher (P < 0.05) in cancer group (DMBA) as compared with other groups. On the other hand, GST expression was lower in cancer group (P < 0.05). Result of this study demonstrated that ethanolic extract leaves of G. procumbens in 300 mg/kg BW dose could inhibit CYP1A1 stronger than are other and induced GST* level. Has effect on ethanolic extract leaves of G. procumbens has ability in played role of as blocking agent in preventing initiation stage of carsinogenesis, therefore it should be taken into account for chemopreventing agent in mammary carsinogenesis.Key words : Gynura procumbens, breast cancer, Chemopreventive, CYP1A1, GSTμ
Co-Authors . Harjadi . Muttaqien Abd. Rasyid Syamsuri Abdul Rohman Achmad Mursyidi Achmad Mursyidi Adrenalin, Sruti Listra Agnes Nora Iska Harnita Agnesia Endang Tri Hastuti Wahyuni Agung Endro Nugroho Agung Giri Samudra Agustina Dwi Wijayanti AGUSTINUS YUSWANTO Ahmad Mursyidi Ahmadi, Maulidina Alfarisa Nurrurozi Alfarisa Nururrozi Alfarisa Nururrozi Alfarisa Nururrozi Alfarisa Nururrozi Ana Sahara Anandita Nurwijayanti Andayana Puspitasari Gani Anna Ekawati Apriani, Lalily Arief Nurrochmad Asmarani Kusumawati Bambang Sutrisno Bambang Sutrisno Bambang Sutrisno Bambang Sutrisno Bambang Sutrisno Bambang Sutrisno Bambang Sutrisno Bambang Sutrisno Charles Rangga Tabbu Charles Rangga Tabbu Charles Rangga Tabbu Charles Rangga Tabbu Charles Rangga Tabbu Claude Mona Airin Deasy Wulan Dwiratna Devi Usdiana Rosyidah Devita Anggraeni Dewajani Purnomosari Dewajani Purnomosari Dhasia Ramandani, Dhasia Dhirgo Adji Dimas Adhi Pradana Dwi Priyowidodo Edy Meiyanto Eka Kumalasari Endang Dwi Wulansari Erma Yunita Erwin . Erwin E Eryl Sri Rohayati Eti Nurwening Sholikhah Etriwati E Fajar Slamet Riana Fara Azzahra Fara Azzahra FARIDA HAYATI Fauziah, Ima Frans J.M. Harren Galih Dwi Mulyati Gede Bayu Suparta Gemini Alam Geovani Meryza Oka Putra Caesar Gharsina Ghaisani Yumni Hady Anshory Hardian, Andreas Bandang Harjadi Harjadi Hary Purnamaningsih Hary Purnamaningsih Hastari Wuryastuty Hayati, Farida Helmina Wati Hizriah Alief Jainudin Ign Edi Santosa Ika Tidariani Imanjati, Lynda Nugrahaning Indwiani Astuti Indwiani Astuti Irianiwati Irianiwati Irianiwati Widodo Iwan Sahrial Hamid Joko Prastowo Jumina Jumina Kintoko, Kintoko Kony Putriani Kurniasih . Kurniasih Kurniasih Kurniasih Kurniasih Laela Hayu Nurani Laela Hayu Nurani Laela Hayu Nurani Laela Hayu Nurani Laksono Trisnantoro Lalily Apriani Laras Widawaty Putri Lintang Cahya Saputri Lukman Hakim Lukman Hakim Marchaban Marchaban Mega Cahya Nalasukma Michael Haryadi Wibowo Mustofa Mustofa Mustofa Mustofa Nanang Fakhrudin, Nanang Nemay Anggadewi Ndaong Neni Tri Anggraini Ngatidjan Ngatidjan Ni'ma, Neli Syahida Nina Salamah Noor Ardhi Pratomo Novrita Padauleng Novrita Padauleng Nugrahani, Warih Pulung Nura Ustrina Nurman Haribowo Pramono, Suwidjiyo Puspa Wikan Sari R Wasito R Wasito Rahmawati, Irhamna Putri Ramadhani, Mungky Ema Ranita Tri Budi M Rifqi Ferry Balfas Rini Widayanti Risfah Yulianty Risfah Yulianty Riska Nufika Riska Nufika Ruslin Hadanu Rusmihayati Rusmihayati Santika, Luh Putu Nadya Santoso, Ferdinand Prayogo Cahyo Sardjiman S Siti Salma Yusuf Slamet Raharjo Slamet Raharjo Soedarmanto Indarjulianto Soedarmanto Indarjulianto Soedarmanto Indarjulianto Sri Herwiyanti Sri Herwiyanti, Sri Subagus Wahyuono Subagus Wahyuono Sudarsono Sudarsono Sudibyo Martono Sugiyanto - Sugiyanto . Sugiyanto Sugiyanto Sugiyanto Sugiyanto Sugiyanto, Sugiyanto Sugiyono Sugiyono Sugiyono Sugiyono Sugiyono Sugiyono Sugiyono Sultan Suhrah Febrina Karim Suwidjiyo Pramono Suwidjiyo Pramono Suwidjiyo Pramono Suwidjiyo Pramono Tiaravista, Amanda Gita Tri Untari Tri Untari Tri Untari Tri Wahyu Pangestiningsih Tria Zakinah Vembriarto Jati Pramono Vinsa Cantya Prakasita Wahyu Widiyaningsih Wahyu Widyaningsih Wahyu Widyaningsih Widhihastuti, Endah Winarsih, Sugi Yanuartono . Yanuartono Yanuartono Yanuartono Yanuartono Yanuartono Yanuartono yanuartono, yanuartono - Yeremia Yobelino Sitompul Yuli Purwandari Kristiangingrum Yuli Purwandari Kristianingrum Yuli Purwandari Kristianingrum, Yuli Purwandari Yunitasari, Maria Yustina Sri Hartini Yusuf, Siti Salma