The role of nt590 P21 gene polymorphism in the susceptibility to nasopharyngeal cancer

Aim: The purpose of this study was to assess if the P21 nt590 polymorphism is associated with the susceptibility to nasopharyngeal cancer and with the age at diagnosis. Materials and Methods: We analyzed the frequency of 3’UTR P21 polymorphisms in blood samples from 102 nasopharyngeal cancer patient...

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Опубліковано в: :Experimental Oncology
Дата:2014
Автори: Soares, S., Catarino, R., Breda, E., Medeiros, R., Bravo, I.
Формат: Стаття
Мова:English
Опубліковано: Інститут експериментальної патології, онкології і радіобіології ім. Р.Є. Кавецького НАН України 2014
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Онлайн доступ:https://nasplib.isofts.kiev.ua/handle/123456789/145328
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Цитувати:The role of nt590 P21 gene polymorphism in the susceptibility to nasopharyngeal cancer / S. Soares, R. Catarino, E. Breda, R. Medeiros, I. Bravo // Experimental Oncology. — 2014. — Т. 36, № 1. — С. 44-47. — Бібліогр.: 33 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
id nasplib_isofts_kiev_ua-123456789-145328
record_format dspace
spelling Soares, S.
Catarino, R.
Breda, E.
Medeiros, R.
Bravo, I.
2019-01-20T11:12:47Z
2019-01-20T11:12:47Z
2014
The role of nt590 P21 gene polymorphism in the susceptibility to nasopharyngeal cancer / S. Soares, R. Catarino, E. Breda, R. Medeiros, I. Bravo // Experimental Oncology. — 2014. — Т. 36, № 1. — С. 44-47. — Бібліогр.: 33 назв. — англ.
1812-9269
https://nasplib.isofts.kiev.ua/handle/123456789/145328
Aim: The purpose of this study was to assess if the P21 nt590 polymorphism is associated with the susceptibility to nasopharyngeal cancer and with the age at diagnosis. Materials and Methods: We analyzed the frequency of 3’UTR P21 polymorphisms in blood samples from 102 nasopharyngeal cancer patients and 191 controls, with no known oncologic disease, using PCR–RFLP. Results: The polymorphism genotype frequencies were 93.2% (CC), 5.2% (CT) and 1.6% (TT) in the control group and 88.2% (CC), 10.8% (CT) and 1.0% (TT) in the cases group. We found no statistically significant association between the different P21 polymorphism genotypes and risk of nasopharyngeal cancer (p = 0.201). However, approximately a four-fold increased risk of undifferentiated nasopharyngeal carcinoma in early stages was observed for P21 T carriers (OR = 3.734; 95% IC 1.289–10.281; p = 0.01). Furthermore, our results indicate that the waiting time for onset of neoplasia in T carriers patients was 12.4 years earlier (56.5 years old), comparing with those carrying CC genotype (68.9 years old). Conclusions: Our findings suggest that the 3’UTR P21 polymorphism may play an important role in the pathogenesis and initiation, but not in the progression, of undifferentiated nasopharyngeal carcinoma. Moreover, the polymorphism seems to contribute to a significantly earlier age at diagnosis. Key Words: genetic polymorphisms, nasopharyngeal cancer, P21.
en
Інститут експериментальної патології, онкології і радіобіології ім. Р.Є. Кавецького НАН України
Experimental Oncology
Original contributions
The role of nt590 P21 gene polymorphism in the susceptibility to nasopharyngeal cancer
Article
published earlier
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
title The role of nt590 P21 gene polymorphism in the susceptibility to nasopharyngeal cancer
spellingShingle The role of nt590 P21 gene polymorphism in the susceptibility to nasopharyngeal cancer
Soares, S.
Catarino, R.
Breda, E.
Medeiros, R.
Bravo, I.
Original contributions
title_short The role of nt590 P21 gene polymorphism in the susceptibility to nasopharyngeal cancer
title_full The role of nt590 P21 gene polymorphism in the susceptibility to nasopharyngeal cancer
title_fullStr The role of nt590 P21 gene polymorphism in the susceptibility to nasopharyngeal cancer
title_full_unstemmed The role of nt590 P21 gene polymorphism in the susceptibility to nasopharyngeal cancer
title_sort role of nt590 p21 gene polymorphism in the susceptibility to nasopharyngeal cancer
author Soares, S.
Catarino, R.
Breda, E.
Medeiros, R.
Bravo, I.
author_facet Soares, S.
Catarino, R.
Breda, E.
Medeiros, R.
Bravo, I.
topic Original contributions
topic_facet Original contributions
publishDate 2014
language English
container_title Experimental Oncology
publisher Інститут експериментальної патології, онкології і радіобіології ім. Р.Є. Кавецького НАН України
format Article
description Aim: The purpose of this study was to assess if the P21 nt590 polymorphism is associated with the susceptibility to nasopharyngeal cancer and with the age at diagnosis. Materials and Methods: We analyzed the frequency of 3’UTR P21 polymorphisms in blood samples from 102 nasopharyngeal cancer patients and 191 controls, with no known oncologic disease, using PCR–RFLP. Results: The polymorphism genotype frequencies were 93.2% (CC), 5.2% (CT) and 1.6% (TT) in the control group and 88.2% (CC), 10.8% (CT) and 1.0% (TT) in the cases group. We found no statistically significant association between the different P21 polymorphism genotypes and risk of nasopharyngeal cancer (p = 0.201). However, approximately a four-fold increased risk of undifferentiated nasopharyngeal carcinoma in early stages was observed for P21 T carriers (OR = 3.734; 95% IC 1.289–10.281; p = 0.01). Furthermore, our results indicate that the waiting time for onset of neoplasia in T carriers patients was 12.4 years earlier (56.5 years old), comparing with those carrying CC genotype (68.9 years old). Conclusions: Our findings suggest that the 3’UTR P21 polymorphism may play an important role in the pathogenesis and initiation, but not in the progression, of undifferentiated nasopharyngeal carcinoma. Moreover, the polymorphism seems to contribute to a significantly earlier age at diagnosis. Key Words: genetic polymorphisms, nasopharyngeal cancer, P21.
issn 1812-9269
url https://nasplib.isofts.kiev.ua/handle/123456789/145328
citation_txt The role of nt590 P21 gene polymorphism in the susceptibility to nasopharyngeal cancer / S. Soares, R. Catarino, E. Breda, R. Medeiros, I. Bravo // Experimental Oncology. — 2014. — Т. 36, № 1. — С. 44-47. — Бібліогр.: 33 назв. — англ.
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