Background: Nasopharyngeal malignancy is the first most common malignancy amongst in ear, nose and throat. Incidence rate was 4.7 per 100.000 or 7.000-8.000 cases per year and most of carcinoma is arising from the epithelial cells. Objective: To analyze the VEGF gene variations at +405 C/G and -460 T/C with VEGFR (Flt-4) and LMP-1 tissues expression of nasopharyngeal carcinoma (NPC). Methods: A cross sectional study was carried out with explorative approached at several teaching hospitals in Makassar by Hasanuddin University Research Centre and Eijkman Institute for Molecular Biology on a one-year period, from July 2006 through August 2007. The analysis covered from 90 samples of blood and 45 samples of nasopharynx tissue, consisting of 45 patients for both of the NPC and without NPC as a control. Genomic DNA was extracted from peripheral blood and analyzed by PCR and direct DNA sequencing method for identifying the location of VEGF gene mutation and immunohistochemical expression of VEGFR (Flt-4) and LMP-1 were performed in 45 NPC biopsy samples with avidin-biotin method. Results: The frequencies of +405 C/G and -460 T/C were about 50%, with higher in +405 C/G (hot spot), mostly genotype variant was heterozygote (CG). Our results confirmed that untranslated and promoter region of VEGF gene were higher polymorphic. GC and CC haplotype at +405 C/G and -460 T/C of VEGF gene more susceptible to NPC compared with CT haplotype but no statistical significant. Conclusion: There were no relationships between genotype distribution and allele frequencies at VEGF gene +405 C/G, -460 T/C and -457 T/C with the NPC risk factors.
Published in | American Journal of Clinical and Experimental Medicine (Volume 3, Issue 4) |
DOI | 10.11648/j.ajcem.20150304.15 |
Page(s) | 154-161 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
Copyright |
Copyright © The Author(s), 2015. Published by Science Publishing Group |
Nasopharyngeal Carcinoma (NPC), Vascular Endothelial Growth Factor (VEGF), Latent Membrane Protein (LMP-1)
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APA Style
Abdul Qadar Punagi. (2015). The Analysis of Vascular Endothelial Growth Factor Gene Polymorphisms on Clinical and Histopathology Features of Nasopharyngeal Carcinoma. American Journal of Clinical and Experimental Medicine, 3(4), 154-161. https://doi.org/10.11648/j.ajcem.20150304.15
ACS Style
Abdul Qadar Punagi. The Analysis of Vascular Endothelial Growth Factor Gene Polymorphisms on Clinical and Histopathology Features of Nasopharyngeal Carcinoma. Am. J. Clin. Exp. Med. 2015, 3(4), 154-161. doi: 10.11648/j.ajcem.20150304.15
AMA Style
Abdul Qadar Punagi. The Analysis of Vascular Endothelial Growth Factor Gene Polymorphisms on Clinical and Histopathology Features of Nasopharyngeal Carcinoma. Am J Clin Exp Med. 2015;3(4):154-161. doi: 10.11648/j.ajcem.20150304.15
@article{10.11648/j.ajcem.20150304.15, author = {Abdul Qadar Punagi}, title = {The Analysis of Vascular Endothelial Growth Factor Gene Polymorphisms on Clinical and Histopathology Features of Nasopharyngeal Carcinoma}, journal = {American Journal of Clinical and Experimental Medicine}, volume = {3}, number = {4}, pages = {154-161}, doi = {10.11648/j.ajcem.20150304.15}, url = {https://doi.org/10.11648/j.ajcem.20150304.15}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajcem.20150304.15}, abstract = {Background: Nasopharyngeal malignancy is the first most common malignancy amongst in ear, nose and throat. Incidence rate was 4.7 per 100.000 or 7.000-8.000 cases per year and most of carcinoma is arising from the epithelial cells. Objective: To analyze the VEGF gene variations at +405 C/G and -460 T/C with VEGFR (Flt-4) and LMP-1 tissues expression of nasopharyngeal carcinoma (NPC). Methods: A cross sectional study was carried out with explorative approached at several teaching hospitals in Makassar by Hasanuddin University Research Centre and Eijkman Institute for Molecular Biology on a one-year period, from July 2006 through August 2007. The analysis covered from 90 samples of blood and 45 samples of nasopharynx tissue, consisting of 45 patients for both of the NPC and without NPC as a control. Genomic DNA was extracted from peripheral blood and analyzed by PCR and direct DNA sequencing method for identifying the location of VEGF gene mutation and immunohistochemical expression of VEGFR (Flt-4) and LMP-1 were performed in 45 NPC biopsy samples with avidin-biotin method. Results: The frequencies of +405 C/G and -460 T/C were about 50%, with higher in +405 C/G (hot spot), mostly genotype variant was heterozygote (CG). Our results confirmed that untranslated and promoter region of VEGF gene were higher polymorphic. GC and CC haplotype at +405 C/G and -460 T/C of VEGF gene more susceptible to NPC compared with CT haplotype but no statistical significant. Conclusion: There were no relationships between genotype distribution and allele frequencies at VEGF gene +405 C/G, -460 T/C and -457 T/C with the NPC risk factors.}, year = {2015} }
TY - JOUR T1 - The Analysis of Vascular Endothelial Growth Factor Gene Polymorphisms on Clinical and Histopathology Features of Nasopharyngeal Carcinoma AU - Abdul Qadar Punagi Y1 - 2015/06/19 PY - 2015 N1 - https://doi.org/10.11648/j.ajcem.20150304.15 DO - 10.11648/j.ajcem.20150304.15 T2 - American Journal of Clinical and Experimental Medicine JF - American Journal of Clinical and Experimental Medicine JO - American Journal of Clinical and Experimental Medicine SP - 154 EP - 161 PB - Science Publishing Group SN - 2330-8133 UR - https://doi.org/10.11648/j.ajcem.20150304.15 AB - Background: Nasopharyngeal malignancy is the first most common malignancy amongst in ear, nose and throat. Incidence rate was 4.7 per 100.000 or 7.000-8.000 cases per year and most of carcinoma is arising from the epithelial cells. Objective: To analyze the VEGF gene variations at +405 C/G and -460 T/C with VEGFR (Flt-4) and LMP-1 tissues expression of nasopharyngeal carcinoma (NPC). Methods: A cross sectional study was carried out with explorative approached at several teaching hospitals in Makassar by Hasanuddin University Research Centre and Eijkman Institute for Molecular Biology on a one-year period, from July 2006 through August 2007. The analysis covered from 90 samples of blood and 45 samples of nasopharynx tissue, consisting of 45 patients for both of the NPC and without NPC as a control. Genomic DNA was extracted from peripheral blood and analyzed by PCR and direct DNA sequencing method for identifying the location of VEGF gene mutation and immunohistochemical expression of VEGFR (Flt-4) and LMP-1 were performed in 45 NPC biopsy samples with avidin-biotin method. Results: The frequencies of +405 C/G and -460 T/C were about 50%, with higher in +405 C/G (hot spot), mostly genotype variant was heterozygote (CG). Our results confirmed that untranslated and promoter region of VEGF gene were higher polymorphic. GC and CC haplotype at +405 C/G and -460 T/C of VEGF gene more susceptible to NPC compared with CT haplotype but no statistical significant. Conclusion: There were no relationships between genotype distribution and allele frequencies at VEGF gene +405 C/G, -460 T/C and -457 T/C with the NPC risk factors. VL - 3 IS - 4 ER -