title: Ocular surface mucins and local inflammation--studies in genetically modified mouse lines.
abstract: Mucins locate to the apical surfaces of all wet-surfaced epithelia including ocular surface. The functions of the mucins include anti-adhesive, lubrication, water retention, allergens and pathogen barrier function. Ocular surface pathologies, i.e. dry eye syndrome or allergic conjunctivitis, are reportedly associated with alteration of expression pattern of mucin components. Recent investigations indicated anti-bacterial adhesion or anti-inflammatory effects of members of mucins in non-ocular tissues, i.e., gastrointestinal tracts or airway tissues, by using genetically modified mouse lines that lacks an expression of a mucin member. However, examination of ocular phenotypes of each of mucin gene-ablated mouse lines has not yet fully performed. Muc16-deficient mouse is associated with spontaneous subclinical inflammation in conjunctiva. The article reviews the roles of mucin members in modulation of local inflammation in mucous membrane tissues and phenotype of mouse lines with the loss of a mucin gene. Analysis of ocular surface of mucin-gene related mutant mouse lines are to be further performed.
authors.affiliation: Department of Ophthalmology, Wakayama Medical University School of Medicine, 811-1 Kimiidera, Wakayama, 641-0012, Japan. shirai@wakayama-med.ac.jp.
authors.forename: Kumi
authors.initials: K
authors.lastname: Shirai
authors.affiliation: Department of Ophthalmology, Wakayama Medical University School of Medicine, 811-1 Kimiidera, Wakayama, 641-0012, Japan. shizuya@wakayama-med.ac.jp.
authors.forename: Shizuya
authors.initials: S
authors.lastname: Saika
mesh_terms: D000818:Animals; D030801:Animals, Genetically Modified; D003228:Conjunctiva / Q000378:metabolism*; D003231:Conjunctivitis / Q000378:metabolism*; D016207:Cytokines / Q000378:metabolism; D015352:Dry Eye Syndromes / Q000378:metabolism; D004847:Epithelial Cells / Q000378:metabolism; D051379:Mice; D009077:Mucins / Q000378:metabolism*; D013666:Tears / Q000378:metabolism
chemical_list: D016207:Cytokines; D009077:Mucins
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