Tumour necrosis factor-alpha
Bildnummer 11521467
| Tumour necrosis factor-alpha (TNF-alpha),computer model. Atoms are represented as spheres and are colour-coded: carbon (grey),hydrogen (white),oxygen (red) and nitrogen (blue). Disulphide bridges are yellow. This protein generally exists as a trimer (a molecule consisting of 3 identical smaller molecules,seen here). It is released by white blood cells,mainly macrophages,during inflammatory immune responses,and acts as a signalling molecule. Its release is triggered by injury or bacterial endotoxins. One of its actions is to kill tumour cells,hence its name. TNF-alpha is also involved in a number of inflammatory illnesses,including rheumatoid arthritis,psoriasis and Crohn's disease | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Winter, Dr. Mark J. |
| Bildgröße: | 6000 px × 4500 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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