Conceptos Categóricos

Oncología

CAMBIOS EN LA EXPRESSION DE COLINESTERASAS EN VARIOS TIPOS DE CARCINOMA RENAL
La tumorigénesis puede verse favorecida por la actividad colinérgica. Las señales nicotínicas y muscarínicas varían con la disponibilidad de acetilcolina. En piezas renales cancerosas, la actividad acetilcolinesterasa aumentó en los tumores de tipo papilar y convencional, pero no en los de tipo cromófobo y oncocitoma. El nivel de ARNm y la actividad butirilcolinesterasa aumentaron en el papilar. La mayor actividad colinesterasa y la consiguiente caída de acetilcolina pueden afectar la proliferación celular, la diferenciación, la apoptosis o la quimiorresistencia.

Encarnación Muñoz Delgado
Murcia, España

  
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  USO DE FLUORESCEÍNA SÓDICA EM TUMORES DA BASE DE CRÂNIO
O presente estudo observou que a captação da fluoresceína sódica pelos tumores da base do crânio foi consistente e, através da análise digital fotográfica, foi possível documentar uma diferença pré e pós administração da substância que apresentou significância estatística.

Carlos Eduardo Da Silva
Porto Alegre, Brasil

  
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  RAMAN SPECTROSCOPIC APPLICATIONS IN FOOD, PHARMACEUTICAL AND BIOMEDICAL ANALYSIS
We have reviewed the applications of Raman spectroscopy in the analysis of food and pharmaceutical nanomaterials and engaged to develop a clinical method for early prostate cancer detection using iron oxide magnetic nanoparticles to enrich biomarker concentrations. Surface enhanced Raman scattering results appear to be promising in the pre-clinical part.

Ying-sing Li
Memphis, Us

  
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  POSTOPERATIVE CHEMORADIOTHERAPY IN ESOPHAGEAL SQUAMOUS CARCINOMA
Our study presented a relatively good local control of the disease by the addition of postoperative chemoradiotherapy to locally advanced esophageal squamous cell carcinoma with a mild, acute treatment-related toxicity, but this did not contribute a higher survival rate for this group of patients.

Hui-ling Yeh
Taichung City, Tw

     
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INTRACARDIAC MASSES IN NIGERIAN ADULTS-AN ECHOCARDIOGRAPHIC STUDY
Intra-cardiac masses are rare in this environment, and transthoracic echocardiography is valuable in the diagnosis and initial characterization of these masses, despite its limitations. Intra-cardiac masses are rare in this environment, and transthoracic echocardiography is valuable in the diagnosis and initial characterization of these masses, despite its limitations. Intra-cardiac masses are rare in this environment, and transthoracic echocardiography is valuable in the diagnosis and initial characterization of these masses, despite its limitations. Intracardiac masses are uncommon in Nigerian adults,but transthoracic echocardiography is valuable in the diagnosis and initial characterization of these masses

Emmanuel Ejim
Enugu, Ng

  
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