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| Shu,Jun; He,Xiaojuan; Zhang,Lan; Li,Hong; Wang,Ping; Huang,Xiaojie. |
| BACKGROUND: Human amnion mesenchymal cells (hAMCs), isolated from the amniotic membrane of human placenta, are a unique population of mesenchymal stem cells. Recent studies demonstrated that hAMCs could inhibit the activities and functions of several immune cells. However, their effect on inflammatory macrophages is largely unknown. This study investigated the effect of hAMCs on expression of inflammatory cytokines and mitogen-activated protein kinases (MAPKs)/NF-kB pathway in human THP-1 macrophages induced by lipopolysaccharide (LPS RESULTS: The levels of TNF-α and IL-1β secreted by LPS- stimulated THP-1 cells were increased significantly compared with those in the control group. After co-culture with different numbers of hAMCs, the... |
| Tipo: Journal article |
Palavras-chave: Human amnion mesenchymal cells; THP-1 cells; TNF-ZZZZZZZ; IL-1XXXXXXXX; Immunosuppression. |
| Ano: 2015 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602015000100069 |
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| Gao,Lin; Gao,Lin; Li,Hong; Li,Hong; Li,Kai; Li,Kai; Shen,Zhu; Liu,Ling; Li,Chunying; Zhang,Zhengdong; Liu,Yufeng. |
| Psoriasis vulgaris is defined by a series of linked cellular changes in the skin: hyperplasia of epidermal keratinocytes, vascular hyperplasia and ectasia, and infiltration of T lymphocytes, neutrophils and other types of leukocytes in the affected skin. Catechol-O-methyltransferase ( COMT ) 158 polymorphism can reduce the activity of the COMT enzyme that may trigger defective differentiation of keratinocytes in psoriasis. Immunocytes can degrade and inactivate catecholamines via monamine oxidase (MAO) and COMT in the cells. We hypothesized that the COMT-158 G > A polymorphism was associated with the risk of psoriasis vulgaris in Han Chinese people. In a hospital-based case-control study, 524 patients with psoriasis vulgaris and 549... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: COMT; Gene polymorphism; Genetic susceptibility; Psoriasis. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572009000100005 |
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