The role of CSE1L expression in cervical lymph node metastasis of larynx tumors
Abstract Introduction: According to international reports, 30-40% of all head and neck cancers are larynx cancers, comprising 1-2.5% of all cancer types. Cervical nodal involvement has been reported to be 40% and 65% in T3 and T4 cases, respectively. Five-year survival in patients with cervical lymph node metastasis has been demonstrated to be 50% lower compared to patients with no metastasis. Chromosome segregation like 1 protein; is a DNA fragment isolated by Brinkmann et al. in 1995 that corresponds to yeast chromosome segregation protein. Studies on the effect of chromosome segregation like 1 protein expression in head and neck tumors are rare and it has been shown that nuclear chromosome segregation like 1 protein is over-expressed in these studies where gastrointestinal and breast tumors over-expressed cytoplasmic chromosome segregation like 1 protein. Objective: Chromosome segregation like 1 protein may regulate the proliferation and metastasis of T3-T4 glottic larynx cancer. The aim of this study is to show the relationship between chromosome segregation like 1 protein expression and cervical lymph node metastasis of T3-T4 glottic larynx cancer. Methods: A total of 57 male patients who were operated for T3-T4 glottic cancer in a tertiary referral hospital was included in this study. There were 28 patients with cervical lymph node metastasis and 29 patients without lymph node metastasis. Immunohistochemistry was carried out on formalin-fixed, paraffin-embedded archival glottic larynx tumour tissue. According to the percentage of immunoreactive cells, chromosome segregation like 1 protein status was analyzed. Results: Among the patients, who had no cervical lymph node metastasis, 15 patients showed weak nuclear staining, 12 patients showed moderate nuclear staining and only 2 patients showed high nuclear staining for chromosome segregation like 1 protein. Among the patients who had cervical lymph node metastasis, 18 patients showed high nuclear staining, 9 patients showed moderate staining and only one patient showed weak staining for chromosome segregation like 1 protein. None of the metastatic patients showed cytoplasmic staining and only one patient in the non-metastatic group showed cytoplasmic staining for chromosome segregation like 1 protein. There was a positive correlation between nuclear chromosome segregation like 1 protein expression and cervical lymph node metastasis (r = 0,668) and it was statistically significant (p < 0,001). Conclusion: Chromosome segregation like 1 protein expression is correlated with lymph node metastasis in T3-T4 glottic cancers. This may change the approach to cervical node treatment in patients with glottic cancers in future.
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Associação Brasileira de Otorrinolaringologia e Cirurgia Cérvico-Facial.
2021
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oai:scielo:S1808-869420210001000422021-03-12The role of CSE1L expression in cervical lymph node metastasis of larynx tumorsTunccan,TuncayDuzer,SertacDilek,GulayYuksel,Ulvi MuratCetiner,HasanKılıc,CanerAnt,AycaDuran,Arzu Betul T3-T4 glottic cancer CSE1L Lymph node Metastasis Abstract Introduction: According to international reports, 30-40% of all head and neck cancers are larynx cancers, comprising 1-2.5% of all cancer types. Cervical nodal involvement has been reported to be 40% and 65% in T3 and T4 cases, respectively. Five-year survival in patients with cervical lymph node metastasis has been demonstrated to be 50% lower compared to patients with no metastasis. Chromosome segregation like 1 protein; is a DNA fragment isolated by Brinkmann et al. in 1995 that corresponds to yeast chromosome segregation protein. Studies on the effect of chromosome segregation like 1 protein expression in head and neck tumors are rare and it has been shown that nuclear chromosome segregation like 1 protein is over-expressed in these studies where gastrointestinal and breast tumors over-expressed cytoplasmic chromosome segregation like 1 protein. Objective: Chromosome segregation like 1 protein may regulate the proliferation and metastasis of T3-T4 glottic larynx cancer. The aim of this study is to show the relationship between chromosome segregation like 1 protein expression and cervical lymph node metastasis of T3-T4 glottic larynx cancer. Methods: A total of 57 male patients who were operated for T3-T4 glottic cancer in a tertiary referral hospital was included in this study. There were 28 patients with cervical lymph node metastasis and 29 patients without lymph node metastasis. Immunohistochemistry was carried out on formalin-fixed, paraffin-embedded archival glottic larynx tumour tissue. According to the percentage of immunoreactive cells, chromosome segregation like 1 protein status was analyzed. Results: Among the patients, who had no cervical lymph node metastasis, 15 patients showed weak nuclear staining, 12 patients showed moderate nuclear staining and only 2 patients showed high nuclear staining for chromosome segregation like 1 protein. Among the patients who had cervical lymph node metastasis, 18 patients showed high nuclear staining, 9 patients showed moderate staining and only one patient showed weak staining for chromosome segregation like 1 protein. None of the metastatic patients showed cytoplasmic staining and only one patient in the non-metastatic group showed cytoplasmic staining for chromosome segregation like 1 protein. There was a positive correlation between nuclear chromosome segregation like 1 protein expression and cervical lymph node metastasis (r = 0,668) and it was statistically significant (p < 0,001). Conclusion: Chromosome segregation like 1 protein expression is correlated with lymph node metastasis in T3-T4 glottic cancers. This may change the approach to cervical node treatment in patients with glottic cancers in future.info:eu-repo/semantics/openAccessAssociação Brasileira de Otorrinolaringologia e Cirurgia Cérvico-Facial.Brazilian Journal of Otorhinolaryngology v.87 n.1 20212021-02-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1808-86942021000100042en10.1016/j.bjorl.2019.06.010 |
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Tunccan,Tuncay Duzer,Sertac Dilek,Gulay Yuksel,Ulvi Murat Cetiner,Hasan Kılıc,Caner Ant,Ayca Duran,Arzu Betul |
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Tunccan,Tuncay Duzer,Sertac Dilek,Gulay Yuksel,Ulvi Murat Cetiner,Hasan Kılıc,Caner Ant,Ayca Duran,Arzu Betul The role of CSE1L expression in cervical lymph node metastasis of larynx tumors |
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Tunccan,Tuncay Duzer,Sertac Dilek,Gulay Yuksel,Ulvi Murat Cetiner,Hasan Kılıc,Caner Ant,Ayca Duran,Arzu Betul |
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Tunccan,Tuncay |
title |
The role of CSE1L expression in cervical lymph node metastasis of larynx tumors |
title_short |
The role of CSE1L expression in cervical lymph node metastasis of larynx tumors |
title_full |
The role of CSE1L expression in cervical lymph node metastasis of larynx tumors |
title_fullStr |
The role of CSE1L expression in cervical lymph node metastasis of larynx tumors |
title_full_unstemmed |
The role of CSE1L expression in cervical lymph node metastasis of larynx tumors |
title_sort |
role of cse1l expression in cervical lymph node metastasis of larynx tumors |
description |
Abstract Introduction: According to international reports, 30-40% of all head and neck cancers are larynx cancers, comprising 1-2.5% of all cancer types. Cervical nodal involvement has been reported to be 40% and 65% in T3 and T4 cases, respectively. Five-year survival in patients with cervical lymph node metastasis has been demonstrated to be 50% lower compared to patients with no metastasis. Chromosome segregation like 1 protein; is a DNA fragment isolated by Brinkmann et al. in 1995 that corresponds to yeast chromosome segregation protein. Studies on the effect of chromosome segregation like 1 protein expression in head and neck tumors are rare and it has been shown that nuclear chromosome segregation like 1 protein is over-expressed in these studies where gastrointestinal and breast tumors over-expressed cytoplasmic chromosome segregation like 1 protein. Objective: Chromosome segregation like 1 protein may regulate the proliferation and metastasis of T3-T4 glottic larynx cancer. The aim of this study is to show the relationship between chromosome segregation like 1 protein expression and cervical lymph node metastasis of T3-T4 glottic larynx cancer. Methods: A total of 57 male patients who were operated for T3-T4 glottic cancer in a tertiary referral hospital was included in this study. There were 28 patients with cervical lymph node metastasis and 29 patients without lymph node metastasis. Immunohistochemistry was carried out on formalin-fixed, paraffin-embedded archival glottic larynx tumour tissue. According to the percentage of immunoreactive cells, chromosome segregation like 1 protein status was analyzed. Results: Among the patients, who had no cervical lymph node metastasis, 15 patients showed weak nuclear staining, 12 patients showed moderate nuclear staining and only 2 patients showed high nuclear staining for chromosome segregation like 1 protein. Among the patients who had cervical lymph node metastasis, 18 patients showed high nuclear staining, 9 patients showed moderate staining and only one patient showed weak staining for chromosome segregation like 1 protein. None of the metastatic patients showed cytoplasmic staining and only one patient in the non-metastatic group showed cytoplasmic staining for chromosome segregation like 1 protein. There was a positive correlation between nuclear chromosome segregation like 1 protein expression and cervical lymph node metastasis (r = 0,668) and it was statistically significant (p < 0,001). Conclusion: Chromosome segregation like 1 protein expression is correlated with lymph node metastasis in T3-T4 glottic cancers. This may change the approach to cervical node treatment in patients with glottic cancers in future. |
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Associação Brasileira de Otorrinolaringologia e Cirurgia Cérvico-Facial. |
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2021 |
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http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1808-86942021000100042 |
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