Cutting Edge: A Critical Role of Nitrogen Oxide in Preventing Inflammation upon Apoptotic Cell Clearance1
Cutting Edge: A Critical Role of Nitrogen Oxide in Preventing Inflammation upon Apoptotic Cell Clearance1
复制标题
最前沿:一氧化氮在预防凋亡细胞清除时发生炎症方面的关键作用1
DOI:
10.4049/jimmunol.179.6.3407
复制
发表时间:
2007
期刊:
影响因子:
--
通讯作者:
Yoshiro Kobayashi
中科院分区:
文献类型:
--
作者:
T. Shibata;K. Nagata;Yoshiro Kobayashi
Apoptotic cells are removed by phagocytes without causing inflammation. It remains largely unresolved whether anti-inflammatory mediators prevent neutrophil infiltration upon apoptotic cell clearance in vivo. In this study, we showed that, upon induction of apoptosis in the thymus by x-ray, inducible NO synthase knockout (KO) mice exhibited higher levels of neutrophil infiltration and production of MIP-2 and keratinocyte-derived chemokine (KC) in the thymus than wild-type (WT) mice. Furthermore, administration of NG-nitro-l-arginine methyl ester, an inhibitor of NO synthase, to x-irradiated WT mice increased the level of neutrophil infiltration to that of KO mice by the augmentation of MIP-2 and KC production. Additionally, thymic macrophages isolated from x-irradiated KO mice produced more MIP-2 and KC than those from WT mice. Thus, although apoptosis is believed to be noninflammatory, this is actually achieved by the production of immunosuppressive signals such as NO that counteract proinflammatory chemokines such as MIP-2 and KC.
影响因子:
15.9
作者:
Fadok, VA;Bratton, DL;Henson, PM
通讯作者:
Henson, PM
DOI:
10.1073/pnas.88.11.4651
发表时间:
1991-06-01
影响因子:
11.1
作者:
KUBES, P;SUZUKI, M;GRANGER, DN
通讯作者:
GRANGER, DN
影响因子:
15.9
作者:
Huynh, MLN;Fadok, VA;Henson, PM
通讯作者:
Henson, PM