Publications by authors named "Ayako Murakoshi"

We identified CD8(+)  CD122(+) regulatory T cells (CD8(+)  CD122(+) Treg cells) and reported their importance in maintaining immune homeostasis. The absence of CD8(+)  CD122(+) Treg cells has been shown to lead to severe systemic autoimmunity in several mouse models, including inflammatory bowel diseases and experimental autoimmune encephalomyelitis. The T-cell receptors (TCRs) expressed on CD8(+)  CD122(+) Treg cells recognize the target cells to be regulated.

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A decellularization method using high-hydrostatic pressure (HHP) technology (>600MPa) is described. The HHP disrupts the cells inside the tissue. The cell debris can be eliminated with a simple washing process, producing clean, decellularized tissue.

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In this study, we attempted to chemically cross-link decellularized blood vessel tissue and to perform cross-linking with a polymer in order to control its stability and functionalization. For this purpose, we cross-linked tissue by intrahelical, interhelical, and intermolecular cross-linking between the polymer and the collagen helix, which is a component of the native tissue. The intrahelically cross-linked tissue showed weaker stability against heat and degradation caused by collagenase compared to the interhelically cross-linked tissue.

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