[Effect of thymic stromal lymphopoietin on human bronchial epithelial permeability]. 2014

Wenjia Li, and Haijin Zhao, and Hangming Dong, and Fei Zou, and Shaoxi Cai
Department of Respiratory and Critical Care Medicine, Chronic Airway Diseases Laboratory, Nanfang Hospitial, Southern Medical University, Guangzhou 510515, China.E-mail:articlewenjiali@126.com.

OBJECTIVE To investigate the effect of thymic stromal lymphopoietin (TSLP) on the permeablily of monolayer bronchial epithelial cells in vitro. METHODS Cultured human bronchial epithelial cell line 16HBE was exposed to 0.1 or 1 ng/ml TSLP for 0, 0.5, 6, 12, or 24 h, and the epithelial monolayer permeability was assessed by measuring transepithelial electrical resistance (TER), permeability to FITC-labeled dextran (FITC-DX) and expression of E-cadherin. RESULTS Compared with the control cells group, 16HBE cell monolayer showed significantly increased TER (P<0.001) and decreased FITC-DX fluorescence in the lower chamber (P<0.05) following exposure to 0.1 and 1 ng/ml TSLP, but these changes were not dose-dependent. Exposure to 0.1 ng/ml TSLP resulted in significantly increased expression of E-cadherin. The 16HBE monolayer exposed to 0.1 ng/ml TSLP for 24 h showed the most obvious increase of TER and E-cadherin expression (P<0.05); FITC-DX fluorescence level was markedly decreased after TSLP exposure for 12 h and 24 h (P<0.05), and the effect was more obvious in 12 h group. CONCLUSIONS TSLP can protect the barrier function of normal bronchial epithelial cells in vitro.

UI MeSH Term Description Entries
D010539 Permeability Property of membranes and other structures to permit passage of light, heat, gases, liquids, metabolites, and mineral ions. Permeabilities
D001980 Bronchi The larger air passages of the lungs arising from the terminal bifurcation of the TRACHEA. They include the largest two primary bronchi which branch out into secondary bronchi, and tertiary bronchi which extend into BRONCHIOLES and PULMONARY ALVEOLI. Primary Bronchi,Primary Bronchus,Secondary Bronchi,Secondary Bronchus,Tertiary Bronchi,Tertiary Bronchus,Bronchi, Primary,Bronchi, Secondary,Bronchi, Tertiary,Bronchus,Bronchus, Primary,Bronchus, Secondary,Bronchus, Tertiary
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
D004847 Epithelial Cells Cells that line the inner and outer surfaces of the body by forming cellular layers (EPITHELIUM) or masses. Epithelial cells lining the SKIN; the MOUTH; the NOSE; and the ANAL CANAL derive from ectoderm; those lining the RESPIRATORY SYSTEM and the DIGESTIVE SYSTEM derive from endoderm; others (CARDIOVASCULAR SYSTEM and LYMPHATIC SYSTEM) derive from mesoderm. Epithelial cells can be classified mainly by cell shape and function into squamous, glandular and transitional epithelial cells. Adenomatous Epithelial Cells,Columnar Glandular Epithelial Cells,Cuboidal Glandular Epithelial Cells,Glandular Epithelial Cells,Squamous Cells,Squamous Epithelial Cells,Transitional Epithelial Cells,Adenomatous Epithelial Cell,Cell, Adenomatous Epithelial,Cell, Epithelial,Cell, Glandular Epithelial,Cell, Squamous,Cell, Squamous Epithelial,Cell, Transitional Epithelial,Cells, Adenomatous Epithelial,Cells, Epithelial,Cells, Glandular Epithelial,Cells, Squamous,Cells, Squamous Epithelial,Cells, Transitional Epithelial,Epithelial Cell,Epithelial Cell, Adenomatous,Epithelial Cell, Glandular,Epithelial Cell, Squamous,Epithelial Cell, Transitional,Epithelial Cells, Adenomatous,Epithelial Cells, Glandular,Epithelial Cells, Squamous,Epithelial Cells, Transitional,Glandular Epithelial Cell,Squamous Cell,Squamous Epithelial Cell,Transitional Epithelial Cell
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000094632 Thymic Stromal Lymphopoietin A pleiotropic cytokine involved in INFLAMMATION and immunoregulation. Thymic stromal lymphopoietin can activate MAST CELLS; DENDRITIC CELLS; and T-LYMPHOCYTES, and is produced by various cell types, including epithelial and dendritic cells.. TSLP Cytokine,Cytokine, TSLP,Lymphopoietin, Thymic Stromal,Stromal Lymphopoietin, Thymic
D015703 Antigens, CD Differentiation antigens residing on mammalian leukocytes. CD stands for cluster of differentiation, which refers to groups of monoclonal antibodies that show similar reactivity with certain subpopulations of antigens of a particular lineage or differentiation stage. The subpopulations of antigens are also known by the same CD designation. CD Antigen,Cluster of Differentiation Antigen,Cluster of Differentiation Marker,Differentiation Antigens, Leukocyte, Human,Leukocyte Differentiation Antigens, Human,Cluster of Differentiation Antigens,Cluster of Differentiation Markers,Antigen Cluster, Differentiation,Antigen, CD,CD Antigens,Differentiation Antigen Cluster,Differentiation Marker Cluster,Marker Cluster, Differentiation
D015820 Cadherins Calcium-dependent cell adhesion proteins. They are important in the formation of ADHERENS JUNCTIONS between cells. Cadherins are classified by their distinct immunological and tissue specificities, either by letters (E- for epithelial, N- for neural, and P- for placental cadherins) or by numbers (cadherin-12 or N-cadherin 2 for brain-cadherin). Cadherins promote cell adhesion via a homophilic mechanism as in the construction of tissues and of the whole animal body. Cadherin,E-Cadherins,Epithelial-Cadherin,Liver Cell Adhesion Molecules,N-Cadherins,Neural Cadherin,P-Cadherins,Uvomorulin,Cadherin-1,Cadherin-2,Cadherin-3,E-Cadherin,Epithelial-Cadherins,Liver Cell Adhesion Molecule,N-Cadherin,Neural Cadherins,P-Cadherin,Placental Cadherins,Cadherin 1,Cadherin 2,Cadherin 3,Cadherin, Neural,Cadherins, Neural,Cadherins, Placental,E Cadherin,E Cadherins,Epithelial Cadherin,Epithelial Cadherins,N Cadherin,N Cadherins,P Cadherin,P Cadherins
D016207 Cytokines Non-antibody proteins secreted by inflammatory leukocytes and some non-leukocytic cells, that act as intercellular mediators. They differ from classical hormones in that they are produced by a number of tissue or cell types rather than by specialized glands. They generally act locally in a paracrine or autocrine rather than endocrine manner. Cytokine

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