Example sentences for: chemotaxis

How can you use “chemotaxis” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • To examine at the molecular level the reason for the earlier aggregation of ifkA null cells, the mRNA levels were examined for two proteins involved in the cAMP pulsing mechanism of aggregation and chemotaxis.

  • In bacteria the HNOB domain occurs either as a standalone version or fused to the HAMP and methyl accepting domains of chemotaxis receptors.

  • Monocyte/macrophage infiltration has a key role in the pathogenesis of chronic arthritis [ 8 ] . The release of pro-inflammatory cytokines, chemokines, growth factors, and enzymes by the synovial lining macrophages is important for the onset, propagation, and flare of arthritic inflammation [ 9 ] . The finding that the number of synovial tissue macrophages is correlated with joint destruction in rheumatoid arthritis is evidence of their importance [ 9 10 ] . Monocytes and macrophages are believed to have a similar role in other chronic inflammatory joint diseases, such as gout [ 11 ] and psoriatic arthropathy [ 12 ] . Therefore in this study we assessed the effects of mactinin on monocyte chemotaxis in vitro . We have also tested synovial fluid from patients with various types of arthritis, including rheumatoid arthritis, psoriatic arthritis, reactive arthritis, gout, and ankylosing spondylitis, for the presence of the monocyte/macrophage maturation-promoting fragment, mactinin.

  • Chemotactic responsiveness of lung neutrophils towards bacterially-derived n-formyl-methionyl-leucyl-phenylalanine (fMLP) was quantified using a Neuroprobe 48-microwell chemotaxis chamber and 5-μm pore size Nucleopore filters [ 12 13 ] . Cells (2 × 10 6cells/ml), suspended in HBSS containing 0.5% BSA, were incubated in the upper wells of the chamber at 37°C with fMLP (50 nM) or medium in the lower wells.

  • Similar transient increases in neutrophil chemotaxis and pulmonary TNF-α production have been described previously during experimentally induced endotoxemia [ 32 33 ] . These findings are consistent with the idea that chemotaxis and TNF-α production are important in early inflammatory responses of neutrophils [ 34 ] . In contrast, protein levels for COX-2 remained elevated for 48 hours after endotoxin administration.


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