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EKSPRESI BCL-2 PADA NEOPLASMA EPITELIAL OVARIUM JINAK, BORDERLINE, DAN GANAS SERTA KORELASINYA DENGAN DERAJAT HISTOPATOLOGIK Dewi, Rose Khasana; Hardika, Arif Satria; Retnani, Diah Prabawati; Rasyid, Harun Al
Majalah Kesehatan FKUB Vol 7, No 1 (2020): Majalah Kesehatan
Publisher : Faculty of Medicine Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (320.012 KB) | DOI: 10.21776/ub.majalahkesehatan.2020.007.01.1

Abstract

Neoplasma epitelial ovarium diklasifikasikan menjadi 3 kategori yaitu jinak, borderline, dan ganas. Neoplasma ganas ovarium termasuk dalam sepuluh besar penyebab kematian tersering akibat kanker pada perempuan di dunia. Penentuan kategori neoplasma ovarium kadang masih menjadi masalah karena dipengaruhi oleh beberapa faktor, termasuk proliferasi dan apoptosis sel serta invasi stroma. Bcl-2 (B-cell lymphoma 2) merupakan salah satu protein prosurvival yang berfungsi sebagai antiapoptosis dan cukup berperan dalam perkembangan neoplasma. Tujuan penelitian ini adalah untuk mengetahui perbedaan eks-presi Bcl-2 pada neoplasma epitelial ovarium jinak, borderline, ganas serta untuk mengungkap hubungan ekspresi Bcl-2 dengan derajat histopatologik pada neoplasma ganas. Penelitian ini merupakan penelitian analitik cross-sectional. Sampel penelitian berupa 35 blok parafin kasus neoplasma ovarium serosum dan musinosum (13 jinak, 8 borderline, 14 ganas) di RSUD Dr. Saiful Anwar Malang periode 2016-2017. Kelompok neoplasma ganas terdiri dari masing-masing 5 kasus derajat 1 dan 3 (35,7%) serta 4 kasus derajat 2 (28,6%). Perbedaan ekspresi pulasan imunohistokimia Bcl-2 antara neoplasma jinak, borderline, dan ganas dianalisis menggunakan uji Kruskal-Wallis, sedangkan korelasinya dengan derajat histopatologik dianalisis menggunakan uji korelasi Spearman. Hasil penelitian menunjukkan ekspresi Bcl-2 tidak berbeda signifikan antara neoplasma jinak, borderline, dan ganas (p = 0,159). Bcl-2 pada neoplasma ganas menunjukkan eks-presi yang semakin rendah dengan meningkatnya derajat histopatologik (p = 0,021 dan r = -0,608). Ke-simpulannya, tidak terdapat perbedaan ekspresi Bcl-2 yang signifikan antara neoplasma epitelial ovarium jinak, borderline, dan ganas. Ekspresi Bcl-2 berkorelasi negatif yang kuat dengan derajat histopatologik pada neoplasma ganas. 
Analysis of Maspin Expression in Invasive Ductal Carcinoma of the Breast on Stages IIA and IIIB Hardika, Arif Satria; Fauziah, Dyah
Folia Medica Indonesiana Vol. 54, No. 1
Publisher : Folia Medica Indonesiana

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Abstract

Mammary Serine Protease Inhibitor (maspin) is a tumor suppressor gene, a member of the serine protease inhibitor (serpin) family that works by inhibiting motility of cell movement, invasion and metastasis. Maspin expression is expected to be a prognostic factor as well as a predictive factor in mammary tumors. However, in some recent studies, maspin has a variety of expressions. Although it is known that no maspine appears as an indicator of tumor progression and metastasis, recent study has shown that maspine expression is associated with an aggressive phenotype of breast cancer and with a poor prognosis. Correlations between maspine expression and poor prognosis have also been reported in pancreatic, ovarian, thyroid, bladder and lung cancers. Knowledge of the expression and role of this maspin as well as its relationship with the pathogenesis of breast invasive ductal carcinoma is still small. The aim of this study was to look at differences in maspin expression in breast-invasive ductal carcinoma of stage IIA and stage IIIB groups. This research method used analytic observational research with cross sectional approach. The samples were invasive carcinoma of NST paraffin at the Department of Anatomic Pathology of Dr Soetomo Hospital, Surabaya, from January to December 2015. Thirty samples were divided into two groups, namely stage IIA and stage IIIB groups and immunohistochemical examination with maspin antibody was carried out. The difference of maspin expression in stage IIA and stage IIIB was analyzed using Mann-Whitney statistic test. There were significant differences in maspin expression between stage IIA and stage IIIB groups, where stage IIA has a high maspin expression rather than stage IIIB.