Noé Velázquez-Márquez

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Altered sialylation observed during oncogenic transformation, tumor metastases and invasion, has been associated with enhanced sialyltransferases (STs) transcription. Increased mRNA expression of STs (ST6Gal I, ST3Gal III) has been detected in invasive cervical squamous cell carcinoma. A study of the sialic acid concentration in local tissue of cervix and(More)
OBJECTIVE To determine the prevalence of human papillomavirus (HPV) genotypes 6, 11, 16, 18, and 31 in Mexican women living in rural areas of Puebla, Mexico and to evaluate risk factors associated with cervical neoplasm in this population. METHODS A cross-sectional study was conducted in 326 women at the General Hospital of Metepec, Puebla. Cervical(More)
Cervical cancer is an important health problem in women living in developing countries. Infection with some genotypes of human papillomavirus (HPV) is the most important risk factor associated with cervical cancer. Little information exists about HPV genotype distribution in rural and suburban regions of Mexico. Thus, we determined the prevalence of HPV(More)
Sialylated oligosaccharides of glycoproteins and glycolipids have been implicated in tumour progression and metastases. Altered expression of glycosidic antigens has been reported in cervical cancer. In cervix premalignant lesions, an increased expression of sialic acid has been reported. In the present study we determined the expression profiles of the(More)
Human papillomavirus (HPV) genome codifies proteins with oncogenic activity, such as E7. Due to its structural characteristics, the E7 protein may interact with a great variety of cellular proteins. Some of these proteins act as cell-cycle regulators and other proteins function as transcription factors. These interactions play an important role in the(More)
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