The TIM family of genes consists of eight members {TIM-1-8) on mouse chromosome 11B1.1, and three members {Tlf /I1, TIMS, and TIM4) on human chromosome 5q33.2 (5). All ofthe mouse and human TIM genes encode type 1 membrane proteins, consisting of an N-terminal Cys-rich IgV-like domain, a mucin-like domain, a transmembrane domain, and an intracellular tail (Figure 1). The intracellular tails of TIM-1, TIM-2, and TIM-3, but not TIM-4, contain predicted tyrosine phosphorylation motifs, suggesting that these TIMs are involved in transmembrane signaling. Whereas TIM-3 has only three predicted glycosylation sites, human TIM-1 has 60, which are primarily 0-linked glycosylation motifs located within the mucin-like domain. The N-terminal Cys-rich regions ofthe TIM homologs have a sequence identity of about 40%, whereas sequence identity between the mouse and human orthologs is around 60% (6). The structural similarities between all the TIMs suggest that they arose from an ancestral gene by successive gene duplication events. TIM-1 polymorphisms and protection against asthma and allergy. Human TIM-1 (HUGO designation HAVCR1) is highly polymorphic in humans and monkeys, as it is in mice, with single nucleotide polymorphisms (SNPs) as well as insertion/deletion variants occurring primarily in the mucin-like domain in both mice and humans (as defined in the previous Project 1). We have also performed association analysis ofthe insertion/deletion variants of TIM-1 in

Agency
National Institute of Health (NIH)
Institute
National Institute of Allergy and Infectious Diseases (NIAID)
Type
Research Program Projects (P01)
Project #
5P01AI054456-09
Application #
8667719
Study Section
Special Emphasis Panel (ZAI1-RRS-I (M2))
Project Start
Project End
Budget Start
2013-07-01
Budget End
2014-06-30
Support Year
9
Fiscal Year
2013
Total Cost
$226,742
Indirect Cost
$63,323
Name
Children's Hospital Boston
Department
Type
DUNS #
076593722
City
Boston
State
MA
Country
United States
Zip Code
02115
Kroy, Daniela C; Ciuffreda, Donatella; Cooperrider, Jennifer H et al. (2014) Liver environment and HCV replication affect human T-cell phenotype and expression of inhibitory receptors. Gastroenterology 146:550-61
Xiao, Yanping; Yu, Sanhong; Zhu, Baogong et al. (2014) RGMb is a novel binding partner for PD-L2 and its engagement with PD-L2 promotes respiratory tolerance. J Exp Med 211:943-59
Angiari, Stefano; Donnarumma, Tiziano; Rossi, Barbara et al. (2014) TIM-1 glycoprotein binds the adhesion receptor P-selectin and mediates T cell trafficking during inflammation and autoimmunity. Immunity 40:542-53
Recacha, Rosario; Jiménez, David; Tian, Li et al. (2014) Crystal structures of an ICAM-5 ectodomain fragment show electrostatic-based homophilic adhesions. Acta Crystallogr D Biol Crystallogr 70:1934-43
Gubin, Matthew M; Zhang, Xiuli; Schuster, Heiko et al. (2014) Checkpoint blockade cancer immunotherapy targets tumour-specific mutant antigens. Nature 515:577-81
Kim, Hye Young; Chang, Ya-Jen; Chuang, Ya-Ting et al. (2013) T-cell immunoglobulin and mucin domain 1 deficiency eliminates airway hyperreactivity triggered by the recognition of airway cell death. J Allergy Clin Immunol 132:414-25.e6
Albacker, L A; Yu, S; Bedoret, D et al. (2013) TIM-4, expressed by medullary macrophages, regulates respiratory tolerance by mediating phagocytosis of antigen-specific T cells. Mucosal Immunol 6:580-90
Jemielity, Stephanie; Wang, Jinyize J; Chan, Ying Kai et al. (2013) TIM-family proteins promote infection of multiple enveloped viruses through virion-associated phosphatidylserine. PLoS Pathog 9:e1003232
Manangeeswaran, Mohanraj; Jacques, Jerome; Tami, Cecilia et al. (2012) Binding of hepatitis A virus to its cellular receptor 1 inhibits T-regulatory cell functions in humans. Gastroenterology 142:1516-25.e3
Kim, Hye Young; Eyheramonho, Maria Belen; Pichavant, Muriel et al. (2011) A polymorphism in TIM1 is associated with susceptibility to severe hepatitis A virus infection in humans. J Clin Invest 121:1111-8

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