نتایج جستجو برای: normal paraffin
تعداد نتایج: 570946 فیلتر نتایج به سال:
Aim-To analyse the effect of sectioning on the assessment of karyotypic heterogeneity by interphase cytogenetics in paraffin wax embedded normal squamous epithelium and to apply the principles derived to invasive cervical carcinoma.Methods-Normal male (n = 5) and female (n = 5) squamous epithelia were hybridised with peri-centromeric repeat probes specific for chromosomes X (DXZ1) and 17 (D17Z1...
spontaneous abortion is the most common complication of pregnancy. several lines of evidence indicate that immunologic effector cells may play a role in the pathogenesis of idiopathic repetitive abortions. leukocytes form a substantial proportion of stromal cells in decidua and the endometrial granulated lymphocytes (egl) is the predominant decidual leukocyte population in the first trimester o...
Background and objective: Given the postulated the role of inflammation and possible contribution of lymphangiogenesis in oral lichen planus, this study aimed to assess any associated presence of VEGFR-3. Material and Methods: This cross-sectional study was performed on 52 formalin fixed and paraffin embedded blocks of oral lichen planus (pathological diagnosis based on Modified WHO criteria), ...
In order to explore the heat storage properties of phase change paraffin, a calculation model for melting paraffin was established based on equivalent capacity method. A finite element software (COMSOL) used study influence different inclination angles paraffin. The results show that process is determined by conduction and natural convection transfer, transfer plays significant role in Phase ex...
Smear preparations from fine-needle aspirates of 30 prostatic carcinomas obtained from radical prostatectomy specimens were examined by a dual-color fluorescence in situ hybridization (FISH) method for the presence of chromosome 7 trisomy (chromosome 9 was used as a control). The frequency of cells with trisomy 7 was determined in tumor cells and normal prostatic epithelial cells in each specim...
Despite the advances in cancer treatment, the 5-year survival rate for oral cancer has not changed significantly for the past 40 years and still remains among the worst of all anatomic sites. Gene expression microarrays have been used successfully in the identification of genetic alterations in cancer development, however, these have hitherto been limited by the need for specimens with good qua...
In this work, a series of novel paraffin inhibitor, polyaminoamide (PAA), was designed and prepared by aminolysis and poly-condensation using soybean oil and canola oil as the raw material. The property of the PAAs as paraffin inhibitor was investigated, the results show several PAA samples are potent in paraffin inhibition, and PPC-2 is the most effective one. Besides, the paraffin crystal mor...
The characterization of genetic aberrations in paraffin-embedded tumor material is impaired by contaminating normal cells. In the present study on the genetic causes of loss of HLA expression in diffuse large B-cell lymphoma (DLBCL), we compared the efficacy of microdissection with flow cytometric sorting of tumor cells. Single-cell suspensions from paraffin-embedded material of 5 DLBCL cases w...
Retinoblastoma (RB) protein expression was examined in paraffin and frozen tissue sections of 36 primary non-small cell lung carcinomas (NSCLC) using immunohistochemistry with confirmation by direct Western blotting. A normal RB protein staining pattern was present in 24 and absent in 10 NSCLC. Two additional RB positive primary tumors have major foci in which all tumor cells showed no RB prote...
Methods Piglets were treated with erythromycin (25 mg/kg, iv) (n = 8) or vehicle (n = 6) and subjected to 75 minutes of DHCA at 18°C, 12 hours after pretreatment. Three served as normal controls. After gradual rewarming, treatment animals were sacrificed and brains were perfusion-fixed and cryopreserved. Motor cortex was dissected from the left hemisphere and paraffin embedded for histologic st...
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