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Hubungan Faktor Risiko, Status Instabilitas Mikrosatelit, dan Ekspresi P53 dengan Karsinogenesis Adenokarsinoma Kolorektal pada Orang Indonesia (The Association of Risk Factors, Microsatellite Instability, and P53 Expression in the Carcinogenesis of Colorectal Adenocarcinoma among Indonesian)

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Different from developed countries, molecular characteristic of colorectal adenocarcinoma (CRC) among Indonesians in the age group of ≤40 years old is mostly similar compared to the CRC of the age group of >40 years old, and both are sporadic cancers. To know the association of molecular characteristic with the risk factors of CRC, a cross sectional study was conducted to analyze the association of risk factors, microsatellite instability (MSI) and P53 expression (chromosomal Instability=CIN) status in 39 consecutive CRC patients who were eligible for this study at Dr Hasan Sadikin Hospital, from March 2009 until March 2010. They consisted of 21 male and 18 female patients. Of them, there were 17 and 22 patients with>40 and≤40 years of age, respectively. The immuno-histochemistry examinations for the expression of mutated MLH1, MSH2 and p53 genes were conducted to determine the CIN and MSI status. The results showed that the CRC ≤40 years of age had 4 MSI high, 1 MSI low, and 17 MSI negative, associated with 10 P53 positives and 12 p53 negatives. By contrast, in the CRC >40 years of age the MSI was low and negative in 4 and 13 cases, respectively. They were associated with 11 and 6 of p53 positive and negative status, respectively. Between the two groups, there were no significant differences with regards to the association pattern between the risk factors and their molecular characteristics (p>0.05). Conclusions, majority of CRC patients among Indonesian show a molecular classification of high CIN and low MSI, and is associated with risk factors of high fat and protein, low fiber dietary intake, overweight, smoking, and low physical activitis.
Key words: Carcinogenesis of colorectal carcinoma, expression of P53, microstallite instability, risk factors

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Ketersediaan

Informasi Detail

Judul Seri

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No. Panggil

Majalah Kedokteran Bandung, 44 (4) 2012 : 245-252

Penerbit

Bandung : FK UNPAD., 2012

Deskripsi Fisik

8p

Bahasa

ISBN/ISSN

0126-074x

Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

adenocarcinoma
RISK FACTORS
CARCINOGENS

Info Detail Spesifik

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Pernyataan Tanggungjawab

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Versi lain/terkait

Lampiran Berkas

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