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FLASH GENE
Symbol ITLN1 contributors: mct/npt - updated : 04-10-2012
HGNC name intelectin 1 (galactofuranose binding)
HGNC id 18259
RNA
TRANSCRIPTS type messenger
identificationnb exonstypebpproduct
ProteinkDaAAspecific expressionYearPubmed
8 - 1209 - 313 - 2006 16531507
  • also called omentin1
  • major circulating isoform in human plasma
  • plasma omentin 1 levels were inversely correlated with BMI, waist circumference, leptin levels, and insulin resistance
  • omentin 1 gene expression were decreased with obesity and were highly correlated with each other in visceral adipose tissue
  • higher plasma omentin 1 levels were detected in lean subjects and in women compared with men
  • - - - - - - 2006 16531507
  • also called omentin 2, gene expression were decreased with obesity and were highly correlated with each other in visceral adipose tissue
  • EXPRESSION
    Type restricted
       expressed in (based on citations)
    organ(s)
    SystemOrgan level 1Organ level 2Organ level 3Organ level 4LevelPubmedSpeciesStageRna symbol
    blood / hematopoieticthymus    
    Cardiovascularheart    
    Digestiveintestinelarge intestinecolon  
     stomach    
    tissue
    SystemTissueTissue level 1Tissue level 2LevelPubmedSpeciesStageRna symbol
    Connectiveadipose   
    cell lineage
    cell lines
    fluid/secretion
    at STAGE
    physiological period fetal
    Text small intestine
    PROTEIN
    PHYSICAL PROPERTIES
    STRUCTURE
    motifs/domains
    mono polymer homomer , trimer
    HOMOLOGY
    interspecies homolog to murine intelectin
    Homologene
    FAMILY
    CATEGORY signaling cytokine , receptor
    SUBCELLULAR LOCALIZATION extracellular
        plasma membrane
    text brush border membrane
    basic FUNCTION
  • adipokine playing a role in the recognition of bacteria-specific components in the host
  • adipokine expressed in omental adipose tissue in humans and may regulate insulin action
  • adipocytokine playing a role in the defense against intestinal bacterial translocation in the context of Crohn's disease
  • its loss may contribute to the development of insulin resistance and T2DM
  • potent insulin-sensitizing adipokine, and serum omentin levels possibly play an important role in the pathogenesis of insulin resistance and diabetes
  • adipocytokine with insulin-sensitizing effect
  • plays an anti-inflammatory role by preventing the TNF1-induced COX2 expression in vascular endothelial cells
  • anti-inflammatory in vascular endothelial cells
  • may inhibit TNF-induced expression of adhesion molecules in endothelial cells via blocking ERK/NFKB1 pathway
  • CELLULAR PROCESS
    PHYSIOLOGICAL PROCESS
    PATHWAY
    metabolism
    signaling
    a component
    INTERACTION
    DNA
    RNA
    small molecule
    protein
  • omentin inhibited TNF-activated signal pathway of NFKB1 by preventing NFKB1 inhibitory protein (NFKBIA) degradation and NFKB1/DNA binding activity
  • ITLN1 inhibition of TNF-induced expression of VCAM1 and ICAM1 is mediated by its down-regulation of ERK/NFKB signaling pathway
  • cell & other
    REGULATION
    ASSOCIATED DISORDERS
    corresponding disease(s)
    Other morbid association(s)
    TypeGene ModificationChromosome rearrangementProtein expressionProtein Function
    constitutional     --low  
    associated with increasing obesity and insulin resistance
    constitutional     --low  
    by insulin and glucose (explain the decreased omentin-1 levels observed in overweight women with PCOS (Tan 2008)
    constitutional     --low  
    decreases in the overweight and obese human subjects
    constitutional     --low  
    found in many chronic inflammatory diseases
    constitutional     --low  
    in patients with acute coronary syndrome (ACS) and stable angina pectoris compared with controls
    constitutional     --over  
    SERPINA12 and ITLN1 are up-regulated in large for gestational age infants at term
    Susceptibility to obesity with insulin resistance
    Variant & Polymorphism SNP single nucleotide missense polymorphism Val109Asp associated with type 2 diabetes mellitus or chronic inflammatory bowel diseases
    Candidate gene omentin levels may be predictive of the metabolic consequences or co-morbidities associated with obesity
    Marker
    Therapy target
    SystemTypeDisorderPubmed
    diabete  
    may be a potential drug target against the obesity and/or type II diabetes-related vascular diseases
    ANIMAL & CELL MODELS