摘要
目的探讨人SPLUNC1基因在人体组织中的表达分布特征。方法采用原位杂交方法检测人体37种组织中SPLUNC1基因的细胞学定位。结果原位杂交结果显示:SPLUNC1在上腭、表皮、食管及食管-贲门部的鳞状上皮,鼻咽部、气管、宫颈部化生的鳞状上皮及食管和肺的鳞状细胞癌中均不表达;在胃粘膜、胆囊、空肠、结肠、子宫内膜及腺体和宫颈部的单层柱状上皮细胞中也不表达;主要表达在鼻咽、气管和支气管的假复层纤毛柱状上皮中,且沿呼吸道从上至下,该基因表达逐渐减弱,在肺组织中检测不到其表达。在腮腺、下颌下腺的导管和浆液腺细胞、鼻咽和肺等部位的粘膜下浆液腺细胞、胃粘膜固有层壁细胞及乳腺小叶和导管上皮中表达SPLUNC1,但粘液性腺上皮细胞中不表达。此外,在肺、胃、结肠、乳腺、子宫内膜和宫颈等部位的腺癌组织中,SPLUNC1基因均呈强阳性表达。结论 SPLUNC1基因的表达具有明显的细胞特异性,其表达分布特征可能与细胞功能有关。
Objective To examine the expression patterns of short palate, lung and nasal epithelium clone 1 （SPLUNC1） gene in human tissues. Methods In situ hybridization was used to detect the expression of SPLUNC1 gene in 37 different human tissues. Results We found that SPLUNC1 gene was not expressed in squamous epithelial cells of the palate, epidermis, esophagus, or the esophagus-cardia junction, metaplastic squamous cells in the nasopharynx, trachea, or uterus cervix, or tumor cells of esophageal squamous cell carcinoma or lung squamous cell carcinoma. SPLUNC1 gene was not expressed in the single layer columnar epithelia cells in the stomach, gallbladder, jejunum, colon, endometrium, or uterus cervix. SPLUNC1 expression was detected mainly in pseudostratified columnar epithelial cells in the nasopharynx, trachea and bronchi, and was gradually down-regulated from the upper to lower end of the respiratory tract, but was not detected in the lung tissues. SPLUNC1 expression was detected not only in the duct and serous gland cells in the parotid and submandibular glands, but also in cells of submucosal serous glands in the nasopharynx and lung, but not in the cells of the mucosal glands. The parietal cells of the gastric submucosa and epithelial cells of the lobula and ducts of the mammary glands expressed SPLUNC1. The adenocarcinoma cells in the lung, stomach, colon, mammary gland, uterus endometrium and cervix showed strong expressions of SPLUNC1 gene. Conclusion SPLUNC1 expression is highly cell-specific in association with the cell functions.
出处
《南方医科大学学报》
CAS
CSCD
北大核心
2016年第5期617-621,共5页
Journal of Southern Medical University
基金
国家自然科学基金(81172242)~~
关键词
SPLUNC1
原位杂交
鳞状上皮
柱状上皮
浆液性腺体
short palate
lung and nasal epithelium clone 1
in situ hybridization
squamous epithelial cells
columnar epithelia cells
serous glands
