Lin chuang er bi yan hou tou jing wai ke za zhi = Journal of clinical otorhinolaryngology head and neck surgery · 2009
[Expression pattern of MAL in normal epithelial cells, benign tumor, and squamous cell carcinoma of larynx].
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Jiang Yi, Chen Yong, Gao Lingyun, Ye Qing, Alonso M A
Аннотация
OBJECTIVE: To compare the expression pattern of the MAL protein in normal and laryngeal carcinoma to derive possible implications of MAL in carcinoma development of larynx.
METHOD: Use the immunohistochemical technique to analyze the distribution of MAL in normal laryngeal epithelial cells, polyp of vocal cords, laryngeal atypical hyperplasia and laryngeal squamous cell carcinoma.
RESULT: MAL-like immunohistochemical reactions are strongly expressed in normal laryngeal epithelial cells and its expression is no significantly different in epithelial cells of the polyp of vocal cords. Comparatively, MAL expression is significantly down regulated in laryngeal atypical hyperplasia and laryngeal squamous cell carcinomas (P < 0.05).
CONCLUSION: MAL is normally expressed in laryngeal epithelial cells and its expression changes at early stages of carcinoma development. MAL, therefore, is a potential marker for early diagnosis of laryngeal squamous cell carcinoma.
METHOD: Use the immunohistochemical technique to analyze the distribution of MAL in normal laryngeal epithelial cells, polyp of vocal cords, laryngeal atypical hyperplasia and laryngeal squamous cell carcinoma.
RESULT: MAL-like immunohistochemical reactions are strongly expressed in normal laryngeal epithelial cells and its expression is no significantly different in epithelial cells of the polyp of vocal cords. Comparatively, MAL expression is significantly down regulated in laryngeal atypical hyperplasia and laryngeal squamous cell carcinomas (P < 0.05).
CONCLUSION: MAL is normally expressed in laryngeal epithelial cells and its expression changes at early stages of carcinoma development. MAL, therefore, is a potential marker for early diagnosis of laryngeal squamous cell carcinoma.