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Chinese Journal of Otorhinolaryngology Head and Neck Surgery ; (12): 509-512, 2011.
Artigo em Chinês | WPRIM | ID: wpr-250246

RESUMO

<p><b>OBJECTIVE</b>To establish a preliminary foundation for developing a serum proteomics diagnostic model of nasopharyngeal carcinoma (NPC) by comparing the differences in serum protein fingerprints between patients with NPC and healthy subjects and between different types of NPC.</p><p><b>METHODS</b>The serum samples of 41 patients with different types of NPC and 20 healthy subjects were collected. Surface-enhanced laser desorption ionization time-of-flight mass spectrometry (SELDI-TOF-MS) were used to detect the blood samples to obtain serum protein mass spectrum, i.e. serum protein fingerprinting. Biomarker Wizard and Biomarker Patterns system software were used to compare the differences in serum protein mass spectrum between NPC patients and healthy subjects and between different types of NPC, and to screen out the NPC-related serum proteins.</p><p><b>RESULTS</b>Compared with the healthy control, NPC patients emerged 9 very prominent protein peaks (P < 0.001), with the combined differential peaks. No significant difference was found in relative amount of serum proteins with different molecular mass between different types of NPC (P > 0.05).</p><p><b>CONCLUSIONS</b>The serum marker proteins and specific protein fingerprints of NPC can be screened out by SELDI-TOF-MS, which could be used to develop a serum proteomics model for clinical screening and early diagnosis of NPC.</p>


Assuntos
Adulto , Idoso , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Biomarcadores Tumorais , Sangue , Proteínas Sanguíneas , Carcinoma , Carcinoma de Células Escamosas , Sangue , Patologia , Estudos de Casos e Controles , Espectrometria de Massas , Neoplasias Nasofaríngeas , Sangue , Patologia , Estadiamento de Neoplasias , Mapeamento de Peptídeos , Projetos Piloto , Proteômica , Espectrometria de Massas por Ionização e Dessorção a Laser Assistida por Matriz
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