[Expression and prognostic value of IL-6 and β-catenin in oral squamous cell carcinoma].
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To investigate the expression of interleukin-6 (IL-6) and β-catenin in oral squamous cell carcinoma (OSCC) and its clinicopathological significance.The serum IL-6 concentration in 110 OSCC patients and 109 healthy controls were determined by chemiluminescence analysis. IL-6 and β-catenin expression levels in 68 tumor specimens of OSCC patients undergoing surgical treatment and 6 normal mucosal tissues were determined by immunohistochemistry method. The correlation between IL-6 and β-catenin and clinicopathological parameters and their prognostic value were analyzed. SPSS 22.0 software package was used for data analysis.Chemiluminescence method showed that the serum IL-6 content of OSCC patients was significantly increased (P＜0.001). Immunohistochemical results demonstrated that high expression of IL-6 in OSCC tissues was remarkably associated with cervical lymph node metastasis(P=0.017), pathological differentiation(P=0.014), recurrence and distant metastasis (P=0.048). OSCC patients with high IL-6 expression showed a poor prognosis by Kaplan-Meier survival analysis. Multivariate Cox regression analysis showed that high expression of IL-6 was an independent risk factor affecting the prognosis of patients with OSCC(P＜0.05). β-catenin hyperexpression was associated with pathological differentiation(P=0.006) and overall poor survival in OSCC patients. Spearman correlation analysis showed a positive correlation between IL-6 and β-catenin expression in OSCC (P＜0.001).Serum IL-6 is expected to be a biomarker for detection of OSCC, and IL-6 and β-catenin expression in tumour tissues can be used as markers to evaluate the poor prognosis of OSCC.Cite
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Objective To study the relationship between the clinical and pathological characteristics in children patients with Henoch-SchSnlein purpura nephritics(HSPN).Methods We retrospectively reviewed the information of Clinical and pathological of 68 children with HSPN from January to July in 2009.Results A majority of patients exhibited hematuria,proteinunia,isolated hematuria and nephrotic syndrome while a minority showed the rapidly progressive glomerulonephritis.The pathological performs were mesangical proliferation,glomerulosclerosis and crescent formation.Most of pathological classifications were gradeⅡ or Ⅲ.Conclusions Grade Ⅱand Ⅲ of pathological classification have been seen in the majority of HPSN patients,and the clinical manifestations were closely associated with pathological classification.
Purpura (gastropod)
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Immunohistochemistry has become an important tool in research and in surgical pathology. Rapid growth of a new methods in immunohistochemistry supplement traditional histochemical and histological light microscopy investigations. Immunohistochemistry has given pathologists a chance to location different antigens on the cell surface as well as in the cell compartments. The expression of antigens are mostly influenced by factors connected with tissue processing; fixation and embedding. The aim of present article is to show the role of these factors and their influence on some immunohistochemical staining results. Not all the problems are discussed here, the main goal which authors would like to obtain is to show the way how to solve problems which can occur during immunohistochemical staining procedure. They want also to delineate the importance of standardization in immunohistochemistry to make the results more reliable between different laboratories.
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Immunohistochemistry [IHC] is an important application of monoclonal as well as polyclonal antibodies to determine the tissue distribution of an antigen [protein or lipid] by specific antigen/antibody reaction tagged with a visible label. Immunohistochemistry has an expanding role in diagnostic and research laboratories. This article highlights the various applications of IHC in health and diseases and gives more information in the Future directions of immunohistochemistry.
Polyclonal antibodies
Histopathology
Histology
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Study on pathological diagnosis of pathological changes of 457 patients with atypical squamous cells
Objective To discuss the pathological diagnosis of pathological changes.Methods The 457 patients with pathological changes of cervical atypical squamous cells were further investigated by colposcope and multiple cervical biopsies for pathological analysis.Results The rates of cervical epitheilial neoplasma II(CINⅡ) of ASC-US and ASC-H were 8.15%(34/417) and 35%(14/40),showing significant defferences between the two groups(P0.01).Conclusion Pathological analysis be carried out for early diagnosis of cervical epithelial neoplams.
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Objective To discuss the application o immunohistochemistry autostainer in immunohistochemistry.Methods More than 30 kinds of first antibodies of the Pathology Department,such as AAT,CerBb-2,CK,HBcAg,ER,PR,Ki-67,and unified second antibodies were selected.Immunohistochemistry autostainer and manual operation were applied to the staining of the antibodies,and then the results by the above methods were compared.Results The antibodies stained by immunohistochemistry autostainer,gifted with clear background,no edge effect,uniform staining and accurate positive results,were all better than those by manual operation from all aspects.Conclusion Immunohistochemistry autostainer is highly automatic,time-saving,manpower-saving,repeatable and highly standardized.
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In the diagnosis of clinical pathology,immunohistochemistry(IHC) is a very important technology and tools.The immunohistochemical technique used in the pathological diagnosis started the 1970s,pathologist diagnosis of tumor classification,prognosis had a huge impact,but also extends the understanding of the people for various diseases and tumor formationpathological diagnosis and research..However,with the extensive application of immunohistochemistry,the immunohistochemical technique have some limitations.In-depth study of the principles and techniques of immunohistochemistry,familiar with all kinds of really positive antibody reaction site,and inter-laboratory standardization of immunohistochemistry,play the largest role in support of immunohistochemistry in the pathological diagnosis.This article on the above issues as follows.
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Immunohistochemistry (IHC) is an important application of monoclonal as well as polyclonal antibodies to determine the tissue distribution of an antigen of interest in health and disease. IHC is widely used for diagnosis of cancers; specific tumor antigens are expressed de novo or up-regulated in certain cancers. This article deals with the various applications of IHC in diagnosis of diseases, with IHC playing an important role in diagnostic and research laboratories.
Polyclonal antibodies
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Objective To analyze the gastroscope examination, two biopsy pathological and immunohistochemical data to understand the immunohistochemical pathological diagnosis of gastroscope biopsy role. Methods A retrospective analysis of 540 patients undergoing gastroscopy were divided into routine pathological examination and immunohistochemical study group, compared the number of confirmed diagnosis. Results The diagnosis in each data initial examination immunohistochemistry was larger than the routine pathological examination, diagnosis of immunity in the two examination group was more obvious. Conclusion The use of immunohistochemistry can significantly improve the pathologic diagnosis of the initial inspection and two biopsy rate.
Histopathological examination
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