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Pregled bibliografske jedinice broj: 261791

Glioblastomas exhibit loss of heterozygosity of the tumor suppressor gene APC


Pećina-Šlaus, Nives; Beroš, Vili; Nikuševa-Martić, Tamara; Bulić-Jakuš, Floriana
Glioblastomas exhibit loss of heterozygosity of the tumor suppressor gene APC // Abstracts of the 17th Ljudevit Jurak International Symposium on Comparative Pathology ; u: Acta Clinica Croatica / Belica, Mladen ; Krušlin, Božo (ur.).
Zagreb, 2006. str. 33-33 (poster, međunarodna recenzija, sažetak, znanstveni)


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Naslov
Glioblastomas exhibit loss of heterozygosity of the tumor suppressor gene APC

Autori
Pećina-Šlaus, Nives ; Beroš, Vili ; Nikuševa-Martić, Tamara ; Bulić-Jakuš, Floriana

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Abstracts of the 17th Ljudevit Jurak International Symposium on Comparative Pathology ; u: Acta Clinica Croatica / Belica, Mladen ; Krušlin, Božo - Zagreb, 2006, 33-33

Skup
Ljudevit Jurak International Symposium on Comparative Pathology (17 ; 2006)

Mjesto i datum
Zagreb, Hrvatska, 02.-03.06.2006

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
glioblastoma; LOH; APC gene

Sažetak
This study analyses tumor suppressor gene— adenomatous polyposis coli (APC) in 28 patients with glioblastoma, the most aggressive astrocytic form. APC protein has structural role in adherens junctions, but also plays a signaling role as a negative regulator of the wnt pathway. The etiology and pathogenesis of tumors of the central nervous system are still inadequately explained. Our interest in APC gene stemmed principally from the findings that wild-type APC protein is highly expressed in the central nervous system, and upon the finding that it is critically involved in particular syndromes, among which the brain tumors play a significant role. Glioblastoma samples were tested for gene instability by PCR/loss of heterozygosity using RFLP method. Two polymorphic markers were used: an Rsa I polymorphic site in exon 11, and an Msp I polymorphic site in exon 15. The results of our analysis for both markers showed allelic loss of the APC gene in 33.3% of our sample out of 21 heterozygous patients (heterozygosity 75%). Another 23.8% of samples demonstrated allelic imbalance of the APC allele in tumor tissue. Altogether, there were 12 samples (57%) demonstrating instability of this tumor suppressor gene. Despite increasing knowledge on glioma biology and genetics, the prognostic tools for glioblastoma still need improvement. Our findings on genomic instability of APC gene may contribute to better understanding of glioblastoma genetic profile and could be used as prognostic marker of disease evolution and progression.

Izvorni jezik
Engleski

Znanstvena područja
Temeljne medicinske znanosti



POVEZANOST RADA


Projekti:
0108049
0108215

Ustanove:
Medicinski fakultet, Zagreb

Citiraj ovu publikaciju

Pećina-Šlaus, Nives; Beroš, Vili; Nikuševa-Martić, Tamara; Bulić-Jakuš, Floriana
Glioblastomas exhibit loss of heterozygosity of the tumor suppressor gene APC // Abstracts of the 17th Ljudevit Jurak International Symposium on Comparative Pathology ; u: Acta Clinica Croatica / Belica, Mladen ; Krušlin, Božo (ur.).
Zagreb, 2006. str. 33-33 (poster, međunarodna recenzija, sažetak, znanstveni)
Pećina-Šlaus, N., Beroš, V., Nikuševa-Martić, T. & Bulić-Jakuš, F. (2006) Glioblastomas exhibit loss of heterozygosity of the tumor suppressor gene APC. U: Belica, M. & Krušlin, B. (ur.)Abstracts of the 17th Ljudevit Jurak International Symposium on Comparative Pathology ; u: Acta Clinica Croatica.
@article{article, year = {2006}, pages = {33-33}, keywords = {glioblastoma, LOH, APC gene}, title = {Glioblastomas exhibit loss of heterozygosity of the tumor suppressor gene APC}, keyword = {glioblastoma, LOH, APC gene}, publisherplace = {Zagreb, Hrvatska} }
@article{article, year = {2006}, pages = {33-33}, keywords = {glioblastoma, LOH, APC gene}, title = {Glioblastomas exhibit loss of heterozygosity of the tumor suppressor gene APC}, keyword = {glioblastoma, LOH, APC gene}, publisherplace = {Zagreb, Hrvatska} }

Časopis indeksira:


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