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1.
Clinics ; 64(7): 641-644, 2009.
Article in English | LILACS | ID: lil-520795

ABSTRACT

INTRODUCTION: Ovarian cancer is generally diagnosed at advanced stages of the disease; therefore, poor prognoses are typical. The development of tumor markers is thus of utmost importance. Prostasin is a protease that in normal tissues is highly expressed only in the prostate gland and seminal fluid. A previous study showed that prostasin is highly overexpressed in ovarian cancer cell lines. This study sought to evaluate the expression of prostasin in ovarian cancer. METHODS: Fresh tumor samples of ovarian epithelial cancer (n: 12) were analyzed for expression of prostasin mRNA (messenger ribonucleic acid) by conventional and real time quantitative PCR (polymerase chain reaction). As a standard control, a normal prostate sample was analyzed. RESULTS: Using conventional PCR, prostasin was detected in all but one sample. Using quantitative PCR, prostasin was over-expressed in all but one of the samples as compared to the control (prostate). CONCLUSIONS: These findings indicate that prostasin is overexpressed in many epithelial ovarian cancers. Further studies of prostasin as a potential biomarker for this disease are warranted.


Subject(s)
Adult , Aged , Aged, 80 and over , Female , Humans , Middle Aged , Gene Expression Regulation, Neoplastic , Mass Screening/methods , Neoplasm Proteins/blood , Ovarian Neoplasms/enzymology , Serine Endopeptidases/blood , Biomarkers, Tumor/blood , Ovarian Neoplasms/diagnosis , Pilot Projects , Reverse Transcriptase Polymerase Chain Reaction
2.
Acta méd. (Porto Alegre) ; 27: 138-148, 2006.
Article in Portuguese | LILACS | ID: lil-441013

ABSTRACT

As náuseas e os vômitos em pós-operatório das mais variadas cirurgias são complicações extremamente freqüentes e desconfortáveis para o paciente. Porém muitas vezes, não é considerada uma alteração importante por, na maior parte das vezes, não ter repercussões maiores e por ser vista como uma complicação prevista tanto na cirurgia quanto da anestesia.Em contrapartida, sabe-se que em pacientes selecionados a ocorrência desses sintomas pode ter conseqüências importantes, aumentando a morbidade e a mortalidade pós-operatórias. Desse modo, nessa revisão, os autores visam auxiliar os profissionais da área médica a identificar fatores de risco que possam propiciar náuseas e vômitos no pós-operatório de pacientes que serão submetidos à anestesia e procedimento cirúrgico. A partir disso, pretende-se, de modo sistemático, orientar o manejo profilático e terapêutico para esses sintomas de acordo com o perfil de cada paciente, além de evitar, quando possível, fatores que possam contribuir para o desencadeamento destes.


Subject(s)
Humans , Nausea/surgery , Vomiting/surgery
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