Chemotactic activity for lymphocytes but not for monocytes or neutrophils. In thymus, mediates medullary accumulation of thymic dendritic cells and contributes to regulatoy T cell development, playing a role in self-tolerance establishment.
基因功能參考文獻:
higher serum XCL1 levels at diagnosis and their progressive decline throughout chemotherapy could be correlated with higher survival. PMID: 29027574
This study defines a Glycosaminoglycan binding surface on XCL1 dimer that includes residues that are important for HIV-1 inhibition. PMID: 26836755
Electrostatics and Hydrophobic Effects in the Metamorphic Protein Human Lymphotactin PMID: 26134347
XCL1 acts via direct interaction with the external viral envelope glycoprotein, gp120, to block HIV-1 infection PMID: 26085164
analysis of XCL1 and XCL2, members of the C-chemokine subfamily, in the immune system PMID: 25497737
XCL1 displays antimicrobial activity against E. coli and S. aureus. PMID: 12949249
XCL1-mediated inhibition is associated with direct interaction of the chemokine with the HIV-1 envelope. PMID: 24385911
In native annulus fibrosus tissue homeostasis and repair, CXCR3 is evident, whereas XCL1 could not be detected. PMID: 21270681
The expression patterns of XCR1 and XCL1 were conserved in human and mice blood cells, including certain dendritic cell subsets. PMID: 20541533
Data indicated increased expression of XCL1 in CD4+ and CD8+ T cells in Wegener's granulomatosis (WG), and suggest that XCL1 might be a key modulator of T cell recruitment in WG. PMID: 19797511
NMR spectra of human lymphotactin (hLtn), obtained under various solution conditions, have revealed that the protein undergoes a major conformational rearrangement dependent on temperature and salt concentration. PMID: 11889129
lymphotactin, as well as MCP-1, may contribute to leukocyte infiltration and disease progression in IgA nephropathy. PMID: 12053063
Lptn might be a key modulator for T cell trafficking in the pathogenesis of rheumatoid arthritis PMID: 12847680
In humans XCL1 expression is mainly a property of CD8+ T cells; the contribution to its synthesis by different T cell receptor alpha beta-expressing T cell subsets, namely CD4+ lymphocytes, is negligible. PMID: 14568926
lymphotactin utilizes highly specific glycosaminoglycan-binding sites PMID: 14707146
XCL1 activation is positively correlated with HIV-1 Tat expression in human U87.MG astrocytes in vitro. PMID: 14734774
description of a lymphotactin-producing monoclonal T-cell lymphoproliferative disorder with extreme lymphocytopenia and progressive leukoencephalopathy [case report] PMID: 16923584
The monocyte-derived dendritic cells can express Lptn mRNA in a maturation-dependent manner. PMID: 17077010
Elevated serum lymphotactin levels correlate with relatively milder manifestations in diffuse cutaneous systemic sclerosis (dSSc), especially lower severity of lung involvement, suggesting that lymphotactin may play a role in the development of dSSc. PMID: 18322986
functional repertoire and regulation of a single naturally occurring amino acid sequence can be expanded by access to a set of highly dissimilar native-state structures PMID: 18364395
XCL1 enhances regulatory activities of CD4+ CD25(high) CD127(low/-) T cells in human allergic asthma PMID: 18832695
ATAC Is a GCN5/PCAF-containing acetylase complex with a novel NC2-like histone fold module that interacts with the TATA-binding protein PMID: 18838386
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亞細胞定位:
Secreted.
蛋白家族:
Intercrine gamma family
組織特異性:
Highest level in spleen, lower in peripheral leukocytes and very low levels in lung, colon and small intestine.