The activity of natural killer (NK) cells is regulated by members of multiple receptor families that recognize class I MHC molecules, such as the killer cell inhibitory receptor/leukocyte immunoglobulin-like receptor (KIR/LIR) family and the C-type lectin superfamily. The Ly-6 alloantigens represent a family of phosphatidylinositol anchored proteins that play a role in the process of T lymphocyte activation. Ly-6 expression is commonly induced on T and B lymphocytes after activation by mitogens. Ly-6A/E is a phosphatidylinositol-linked transmembrane member of the Ly-6 family that is produced in humans after 4 weeks of age. γ-interferon and TNF regulate Ly-6A/E at the level of transcription and mRNA stabilization in certain thymocytes and T-cells.
Background References
1. Neirinckx V et al. Adult bone marrow mesenchymal and neural crest stem cells are chemoattractive and accelerate motor recovery in a mouse model of spinal cord injury. Stem Cell Res Ther 6:211 (2015).
2. Malliaras K et al. Stimulation of endogenous cardioblasts by exogenous cell therapy after myocardial infarction. EMBO Mol Med 6:760-77 (2014).
mIHC analysis of mouse liver tissue (Formalin/PFA-fixed paraffin-embedded sections) with Rabbit anti-LY6A antibody (IRS166RB) at 1/100 dilution. The immunostaining was performed with the IRISKitCmTSA Kit (900808). Heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 30 mins at 95℃. DAPI (blue) was used as a nuclear counter stain. Image acquisition was performed with Olympus VS200 Slide Scanner.
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