UNIVERSITAS AIRLANGGA



Detail Article

Folia Medica Indonesiana

ISSN 0303-7932

Vol. 45 / No. 2 / Published : 2009-04

Order : 9, and page :130 - 144

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Original Article :

Expression of p53 oncoprotein in human ductal breast carcinoma (in situ, invasive and metastatic)

Author :

  1. Imam Susilo*1
  1. Department of Anatomic Pathology, Airlangga University School of Medicine, Dr. Soetomo Teaching Hospital, Surabaya

Abstract :

Breast cancer is a malignant tumor mostly disclosed in women. It has heterogeneous biological behavior - so that the knowledge of tumor markers is very important to determine its prognosis and therapy. Up to now, the determination of prognosis and treatment of choice is still based on clinical and morphologic finding although recent studies pointed out that there was tight relationship between carcinoma growth and molecular abnormalities including normal cell gene consisting of proto-oncogene, tumor suppressor gene, programmed cell death and DNA repair gene. Therefore, the description of molecular changes is required - in determining the prognosis and therapy of breast cancer. Molecular pathologic approach may offer a prospective promise even though the genetic mechanism of molecular carcinogenesis in breast cancer is still unclear. In this study, immune pathologic investigation was carried out by using immune histochemical method, with antibody monoclonal against protein p53. Based on multivariate test of Wilks' Lambda method, p53 protein expression was concomitantly different in various tumor diameters of breast cancer (p = 0,000 < α = 0,05). With methode of  Wilks' Lambda method, protein expression  p53 was simultaneously different in various carcinoma cell differentiation of breast cancer (p = 0,000 < α = 0,05) and with Wilks' Lambda method, protein expression  p53 was concomitantly different in various progressiveness of ductal carcinoma growth (p= 0,000 < α= 0,05). Also with Wilks' Lambda method, p53 protein expression was concomitantly different in various grade of ductal carcinoma (p = 0,000 < α = 0,05).      The result designated that there was a significant difference among four breast cancer groups (p= 0,000 < α= 0,05) and  oncoprotein expression  contributed on cellular activity in carcinogenesis of breast cancer.   It showed that malignancy occurred in genetic lesion.

Keyword :

breast cancer, prognosis, molecular pathological role (p53 - protein expression),


References :

Cooper, GM & Hausman, RE,(2004) The Cell, A Molecular Approach, 3rd edn Massachusetts : Sunderland

Cotran, RS, Kumar, V & Collin, T,(1996) Robbins Pathologic Basis of Disease, 6th edn Philadelphia : WB Saunders Co

Gronbaek , H, Flyvbjerg, A, Mellekjaer, L, et al,(2004) Serum insulin- like growth factors, insulin- like growth factor binding proteins, and breast cancer risk in postmenopausal women - : Cancer Epidemiol Biomarkers Prev





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Volume : 45 / No. : 2 / Pub. : 2009-04
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