Results 241 to 250 of about 320,850 (300)
The olfactory receptor SNIF-1 mediates foraging for leucine-enriched diets in <i>C. elegans</i>. [PDF]
ElifeSiddiqui R +5 more
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Co-migration of hundreds of microbial species over metres drives selection and promotes non-motile hitchhikers. [PDF]
Nat CommunGrigson SR +11 more
europepmc +1 more source
A 3D model to evaluate cell chemotaxis within a heterogenic tumor microenvironment.
Lab ChipRodrigues DB +6 more
europepmc +1 more source
Nature Reviews Cancer, 2011 Chemotaxis of tumour cells and stromal cells in the surrounding microenvironment is an essential component of tumour dissemination during progression and metastasis. This Review summarizes how chemotaxis directs the different behaviours of tumour cells and stromal cells in vivo, how molecular pathways regulate chemotaxis in tumour cells and how ...
John Condeelis, Antonia Patsialou
exaly +3 more sources
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Journal of Allergy and Clinical Immunology, 1980
Chemotaxis is defined as the ability of living cells to determine the direction of their locomotion along a concentration gradient of attractant and repellant substances. A survey is given of the various in vitro techniques for detecting chemotaxis in leukocytes including monocyte macrophages, polymorphonuclear cells, lymphocytes and bacterial cells ...
R R, Kretschmer, M L, Collado
openaire +4 more sources
Chemotaxis is defined as the ability of living cells to determine the direction of their locomotion along a concentration gradient of attractant and repellant substances. A survey is given of the various in vitro techniques for detecting chemotaxis in leukocytes including monocyte macrophages, polymorphonuclear cells, lymphocytes and bacterial cells ...
R R, Kretschmer, M L, Collado
openaire +4 more sources
European Journal of Protistology, 1990
Chemotaxis - that is oriented locomotion of single cells - was shown by motion analysis of Tetrahymena thermophila. An electronic registration of swimming tracks was carried out in gradients of chemoattractant established in a modified Zigmond chamber. The attractants used were proteose peptone, platelet extract and fibroblast growth factor.
P, Hellung-Larsen +3 more
openaire +2 more sources
Chemotaxis - that is oriented locomotion of single cells - was shown by motion analysis of Tetrahymena thermophila. An electronic registration of swimming tracks was carried out in gradients of chemoattractant established in a modified Zigmond chamber. The attractants used were proteose peptone, platelet extract and fibroblast growth factor.
P, Hellung-Larsen +3 more
openaire +2 more sources
Pathology, 1979
Chemotaxis is the locomotion of cells or organisms in response to substances in their environment. In dermatology, chemotaxis ordinarily refers to the directed migration of polymorphonuclear leukocytes to an infected or inflamed area. Detailed studies have been published.
openaire +4 more sources
Chemotaxis is the locomotion of cells or organisms in response to substances in their environment. In dermatology, chemotaxis ordinarily refers to the directed migration of polymorphonuclear leukocytes to an infected or inflamed area. Detailed studies have been published.
openaire +4 more sources
Experientia, 1968
It is the purpose of this review to provide a survey of some more recent work on chemotaxis of leucocytes. Attention was drawn to the existence of a variety of cytotaxins (chemotactic mediators) and in particular to their cell specificity. The significance of these different cytotaxins for the accumulation of leucocytes in inflammatory sites in vivo is
H U, Keller, E, Sorkin
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It is the purpose of this review to provide a survey of some more recent work on chemotaxis of leucocytes. Attention was drawn to the existence of a variety of cytotaxins (chemotactic mediators) and in particular to their cell specificity. The significance of these different cytotaxins for the accumulation of leucocytes in inflammatory sites in vivo is
H U, Keller, E, Sorkin
openaire +2 more sources
Journal of Theoretical Biology, 1971
Abstract The chemotactic response of unicellular microscopic organisms is viewed as analogous to Brownian motion. Local assessments of chemical concentrations made by individual cells give rise to fluctuations in path. When averaged over many cells, or a long time interval, a macroscopic flux is derived which is proportional to the chemical gradient.
E F, Keller, L A, Segel
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Abstract The chemotactic response of unicellular microscopic organisms is viewed as analogous to Brownian motion. Local assessments of chemical concentrations made by individual cells give rise to fluctuations in path. When averaged over many cells, or a long time interval, a macroscopic flux is derived which is proportional to the chemical gradient.
E F, Keller, L A, Segel
openaire +2 more sources