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1.
Zhongnan Daxue xuebao. Yixue ban ; (12): 837-842, 2015.
Article de Chinois | WPRIM | ID: wpr-815261

RÉSUMÉ

OBJECTIVE@#To establish 2-dimensional gel electrophoresis (2-DE) image for the early lung injury rats induced by silica dioxide and to identify differentially expressed protein biomarkers during the early stage of silicosis.
@*METHODS@#The animal models of silicosis were established and morphology changes were observed by HE staining, and then the key protein biomarkers in silicosis were identified by 2-DE and matrix-assisted laser desorption/ionization time of flight tandem mass spectrometry (MALDI-TOF-MS) and verified by Western blot.
@*RESULTS@#The well qualified 2-DE gel images for experimental and control lung tissues were successfully established, and 40 different protein spots was observed when comparing the gel images between the experimental and control groups. Twenty of them were analyzed by MALDI-TOF-MS. A total of 13 altered proteins were identified, including alpha B-crystallin, mast cell protease 6, annexin 1, etc. The expression of alpha B-crystallin in lung was further verified by Western blot.
@*CONCLUSION@#The protein expression of alpha B-crystallin was increased significantly, suggesting that it might play an important role in the progress of silicosis.


Sujet(s)
Animaux , Rats , Marqueurs biologiques , Métabolisme , Technique de Western , Modèles animaux de maladie humaine , Électrophorèse bidimensionnelle sur gel , Poumon , Métabolisme , Anatomopathologie , Protéomique , Silice , Silicose , Diagnostic , Spectrométrie de masse MALDI , Chaîne B de la cristalline alpha , Métabolisme
2.
Article de Chinois | WPRIM | ID: wpr-669632

RÉSUMÉ

Because of ignoring the basic knowledge training, the medicine graduates lack ba-sic knowledge of clinical pathology, which has seriously affected their improvement of medical skills. The paper analyzes the status of pathology teaching in clinical medicine graduates and the necessity to strengthen clinical pathology general education. Then it proposes measures about enhancing clinical pathology general education, so as to increase the basic clinical pathology knowledge of medical grad-uates.

3.
Article de Chinois | WPRIM | ID: wpr-524001

RÉSUMÉ

Objective To evaluate the diagnostic accuracy of imprint cytology for intracranial tumors during operation. Methods 150 cases of intracranial tumors were diagnosed by imprint cytology. The imprint was prepared by touching the specimens several times with clean slide, and then the slides were fixed and stained with HE. The diagnostic results obtained by imprint cytology were compared with those made by frozen and routine paraffin sections. Results The accurant rates of diagnosing for non-glial tumors, classifying for incracranial tumors and grading for glial tumors were 100%, 91.3% and 88.3%, respectively. In addition, the morphological features of glial tumors, meningioma, pituitary adenoma on imprint cytology were briefly described. Conclusion The accurant rate of imprint cytology is almost equal to that of frozen section, and both the detection methods have a supplementary effect to each other.

4.
Article de Chinois | WPRIM | ID: wpr-527124

RÉSUMÉ

Objective To investigate the expression of HLA-DR and distribution of dendritic cells(DC) in endometrial carcinoma and to evaluate their influence on clinical staging and prognosis.Methods The 86 cases of patients with endometrial carcinomas were detected by immunohistochemical SP method for HLA-DR and S100 positive dendritic cells,and the predictive value in clinical stage and prognosis were analyzed.Results The positive rate of HLA-DR expression was 27.9%(24/86),which was decreased with the increase of clinical staging(P0.05).There were 46.5%(40/86) of the cases with a dense infiltrate(≥10/HPF) of S100 positive DC.There was significant difference on the density of DC infiltrating among the patients with different clinical stages and prognosis(all P

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