Cervical cancer

Setup errors in cone-beam computed tomography and their effects on acute radiation toxicity in cervical cancer radiotherapy

S. Xin, Setup errors in cone-beam computed tomography and their effects on acute radiation toxicity in cervical cancer radiotherapy, vol. 14, pp. 10937-10943, 2015.

This study aimed to evaluate cone-beam computed tomography setup errors during cervical cancer treatment and the effects of these errors on acute radiation toxicity and treatment efficacy. A total of 170 cervical cancer patients were randomly divided into image-guided radiation therapy (IGRT; 86 patients) and intensity-modulated radiation therapy (IMRT; 84 patients) groups to receive IGRT and IMRT, respectively.

Clinical value of concurrent radiochemotherapy in cervical cancer and comparison of ultrasonography findings before and after radiochemotherapy

W. M. Yan, Li, X. Z., Yu, Z. L., Zhang, J., and Sun, X. G., Clinical value of concurrent radiochemotherapy in cervical cancer and comparison of ultrasonography findings before and after radiochemotherapy, vol. 14, pp. 3633-3639, 2015.

Herein, we investigated the clinical value of concurrent radiochemotherapy for patients with advanced cervical cancer and its effects on adverse clinical symptoms. Forty patients with cervical cancer were recruited from January 2011 to January 2014 for this study. Participants were randomly allocated into a test or control group, with 20 patients in each group. Patients in the test group were treated with concurrent radiochemotherapy, whereas patients in the control group received only traditional radiotherapy.

Ebp1 protein expression in cervical cancer tissue and its significance

L. Liu, Xu, D. Y., Yang, S. S., and Li, X. D., Ebp1 protein expression in cervical cancer tissue and its significance, vol. 14, pp. 5496-5500, 2015.

The objectives of this study were to observe the changes in expression of ErbB-3 binding protein (Ebp1) in cervical cancer and to investigate their clinic significance. We detected the expression level of Ebp1 in cancerous and adjacent tissues from 56 patients with cervical cancer.

 Prevalence and genotype distribution of human papillomavirus in women in the Henan Province

Y. - F. Zhi, Cha, X. - X., Li, X. - F., Qiu, C., and Rong, S. - H.,  Prevalence and genotype distribution of human papillomavirus in women in the Henan Province, vol. 14, pp. 5452-5461, 2015.

We studied human papillomavirus (HPV) prevalence and genotype distribution among women in the Henan Province to provide epidemiological data as a means of preventing cervical cancer and developing a vaccine. A total of 14,873 samples were genotyped by using polymerase chain reaction reverse dot-blot. The overall HPV-positive rate in the sample was 23.98% (3566/14873), of which 69.01% (2461/3566) were infected with high-risk HPV types and 17.33% (618/3566) with low-risk types.

BORIS and CTCF are overexpressed in squamous intraepithelial lesions and cervical cancer

N. Velázquez-Hernández, Reyes-Romero, M. A., Barragán-Hernández, M., Guerrero-Romero, F., Rodríguez-Moran, M., Aguilar-Duran, M., and B. Medina, L., BORIS and CTCF are overexpressed in squamous intraepithelial lesions and cervical cancer, vol. 14, pp. 6094-6100, 2015.

We investigated the expression of Brother of Regulator of Imprinted Sites (BORIS) and CCCTC-binding factor (CTCF) in squamous intraepithelial lesions and cervical cancer. To analyze BORIS and CTCF expression, an endocervical cytobrush sample was taken for total RNA isolation. CTCF and BORIS mRNA was quantified from total RNA using quantitative reverse transcription-polymerase chain reaction. A total of 71 samples were collected and classified according to the Bethesda Classification of squamous intraepithelial lesions.

FOXO1 is a tumor suppressor in cervical cancer

B. Zhang, Gui, L. S., Zhao, X. L., Zhu, L. L., and Li, Q. W., FOXO1 is a tumor suppressor in cervical cancer, vol. 14, pp. 6605-6616, 2015.

Forkhead box protein O1 (FOXO1) is an important transcriptional regulator of cell proliferation, and is considered essential for tumor growth and progression. However, the function of FOXO1 in human cervical cancer remains unclear. In this study, we investigated the role of FOXO1 in cervical cancer. Our results showed that FOXO1 expression was lower in cervical cancer than in cervical intraepithelial neoplasia and normal cervix by immunohistochemical analysis (P 2/M phase and upregulation of caspases-3 and -9 gene expression.

Preset ureter catheter in laparoscopic radical hysterectomy of cervical cancer

L. Han, Cao, R., Jiang, J. Y., Xi, Y., Li, X. C., and Yu, G. H., Preset ureter catheter in laparoscopic radical hysterectomy of cervical cancer, vol. 13, pp. 3638-3645, 2014.

The aim of this study was to evaluate the clinical efficacy of a temporary ureteral catheter in preventing iatrogenic ureteral damage in cervical cancer patients undergoing laparoscopic radical hysterectomy. All cases had confirmed diagnoses of cervical cancer preoperatively between December 2008 and December 2012 in our hospital and were in clinical stages IA2 to IIA. In total, 176 laparoscopic radical hysterectomy and lymphadenectomy procedures were performed.

Effects of VEGF suppression by small hairpin RNA interference combined with radiotherapy on the growth of cervical cancer

L. Qi, Xing, L. N., Wei, X., and Song, S. G., Effects of VEGF suppression by small hairpin RNA interference combined with radiotherapy on the growth of cervical cancer, vol. 13, pp. 5094-5106, 2014.

This study aimed to investigate the inhibition of vascular endothelial growth factor (VEGF) by small hairpin RNA (shRNA) interference combined with radiotherapy on the growth of cervical cancer SiHa cell xenografts in nude mice. The effective pVEGF-shRNA plasmid was screened by reverse transcription-polymerase chain reaction (RT-PCR), and the cell apoptosis rate was estimated by flow cytometry. A nude mouse cervical xenograft model was established and all models were divided into four groups: blank control, VEGF shRNA, radiotherapy, and combined treatment.

Frequency of human papillomavirus types 16, 18, 31, and 33 and sites of cervical lesions in gynecological patients from Recife, Brazil

M. F. P. T. Baldez da Silva, Guimarães, V., Silva, M. A. R., Amaral, C. M. Medeiros d, Beçak, W., Stocco, R. C., Freitas, A. C., and Crovella, S., Frequency of human papillomavirus types 16, 18, 31, and 33 and sites of cervical lesions in gynecological patients from Recife, Brazil, vol. 11, pp. 462-466, 2012.

Human papilloma virus (HPV) is a well-established cause of cervical cancer. While many studies have been performed so far on HPV viral biology, mode of infection and prevention measures, scanty information is available on lesion sites of infected women and the incidence of viral types at specific locations. We looked for a possible relationship between the most common viral types (HPVs 16, 18, 31, 33) found in Recife, PE, Brazil, and lesion sites.

Comparison of the prevalence and distribution of human papillomavirus infection and cervical lesions between urban and native habitants of an Amazonian region of Peru

M. Martorell, Garcia-Garcia, J. A., Gomez-Cabrero, D., and del Aguila, A., Comparison of the prevalence and distribution of human papillomavirus infection and cervical lesions between urban and native habitants of an Amazonian region of Peru, vol. 11. pp. 2099-2106, 2012.

We made a study of the prevalence of human papillomavirus (HPV) and cervix lesions in an Amazonian Bora native population (Bn) and compared it with the prevalence in an urban population in Iquitos (Iq). We also examined the distribution of HPV types among abnormal cervical smears in the Iq population. Swabs and cytologies were collected from 472 females. DNA consensus PCR, followed by direct sequencing, were used to determinate the HPV types in the swabs. Cytologies were classified based on the lesion grade. HPV prevalence was 43.9% in Iq and 35.4% in Bn.

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