نتایج جستجو برای: ki67 expression
تعداد نتایج: 873918 فیلتر نتایج به سال:
role of the protein overexpression is very important in the pathogenesis, diagnosis and prognosis of neoplasia. cases of overexpression of p53 and ki67 proteins were investigated in 19 ocular squamous cell carcinomas (oscc) in dairy cows. microscopically, insix cases the tumors were carcinoma in situ (noninvasive carcinoma, g0), and in the remaining 13 cases the tumors were invasive carcinoma. ...
Molecular subtypes and Nottingham Prognostic Index (NPI) are both prognostic models for breast cancer patients. We evaluated the association between molecular subtypes and NPI in 1042 breast cancer patients. The molecular subtypes indicating poorer prognosis were positively correlated to higher NPI (r = 0.138, P = 0.001). ER positive expression and PR high expression were positively correlated ...
Background and Objectives: Angiogenesis is essential for growth and metastasis of solid malignancies. Tumor vessel count and expression of vascular endothelial growth factor (VEGF), a potent angiogenic factor, have been associated with prognosis. This study was designed to assess vessels density by using CD31 and CD105 (Endoglin) and their correlation with expression of VEGF and prolif...
We evaluated the usefulness of preoperative 18F-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) examinations to predict the pathological features in primary breast cancer. In particular, we evaluated the correlation between the maximum standardized uptake values (SUVmax) obtained by 18F-FDG PET/CT and the Ki67 expression in estrogen receptor (ER)-positive in...
Background The genomic grade index (GGI) completes the prognostic value of histological grade (HG). Other proliferation markers include the mitotic activity index (MAI) and the Ki67 immunohistochemistry (IHC) status. We compared the prognostic value of GGI, HG, MAI, Ki67 IHC and messenger RNA (mRNA) status in node-positive breast cancer (BC) patients treated with adjuvant anthracycline-based ch...
PURPOSE To identify the role of Notch signaling in the human corneal epithelium. METHODS Localization of Notch1, Notch2, Delta1, and Jagged1 in the human corneal epithelium was observed with the use of indirect immunofluorescence microscopy. Gene and protein expression of Notch receptors and ligands in human corneal epithelial cells was determined by RT-PCR and Western blot analysis, respecti...
BACKGROUND To evaluate the expression and differential diagnostic significance of CK19, TG, Ki67 and galectin-3 in papillary thyroid carcinoma (PTC) (metastatic and non metastatic), follicular adenoma and nodular goiter in patients from the northeastern part of China. METHODS 441 PTC specimens and 151 other benign thyroid specimens (97 cases of nodular goiter, 54 cases of nonmalignant follicu...
The incidence of Papillary Thyroid Carcinoma (PTC) has increased gradually in recent years, especially for Papillary Thyroid Microcarcinoma (PTMC). The purpose of this study was to evaluate the expression of Ki67, CK19, Galectin-3 and HBME-1 protein in PTMC and evaluate the clinical significance of differential diagnosis. The specimens of 80 PTMC cases and 40 benign papillary hyperplasia thyroi...
PURPOSE To investigate the microvessel density (MVD) and proliferation in prostate cancer (PC) core biopsies. METHODS Core biopsy samples of PC tissue from 45 patients were routinely processed and embedded in paraffin. The samples of PC formed the investigated group (n=25), while samples of benign prostatic hyperplasia (BPH) served as controls (n=20). From paraffin blocks, 3-5 μm-thick sectio...
INTRODUCTION Breast cancer aggressiveness can be correlated with proliferation status of tumor cells, which can be ascertained with tumor grade and Ki67 indexing. However due to lack of reproducibility, the ASCO do not recommend routine use of Ki67 in determining prognosis in newly diagnosed breast cancers. We therefore aimed to determine associations of the Ki67 index with other prognostic mar...
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