Simultaneous measurement of RBC velocity, flux, hematocrit and shear rate in vascular networks.
Authors:Kamoun WS, Chae SS, Lacorre DA, Tyrrell JA, Mitre M, Gillissen MA, Fukumura D, Jain RK, Munn LL,
Journal:Nat Methods
PubMed ID:20581828
Not all tumor vessels are equal. Tumor-associated vasculature includes immature vessels, regressing vessels, transport vessels undergoing arteriogenesis and peritumor vessels influenced by tumor growth factors. Current techniques for analyzing tumor blood flow do not discriminate between vessel subtypes and only measure average changes from a population of dissimilar vessels. We ... More
Dynamics of a chemoattractant receptor in living neutrophils during chemotaxis.
Authors:Servant G, Weiner OD, Neptune ER, Sedat JW, Bourne HR
Journal:Mol Biol Cell
PubMed ID:10198064
'Persistent directional movement of neutrophils in shallow chemotactic gradients raises the possibility that cells can increase their sensitivity to the chemotactic signal at the front, relative to the back. Redistribution of chemoattractant receptors to the anterior pole of a polarized neutrophil could impose asymmetric sensitivity by increasing the relative strength ... More
Regulation of C-cadherin function during activin induced morphogenesis of Xenopus animal caps.
Authors:Brieher WM, Gumbiner BM
Journal:J Cell Biol
PubMed ID:8034750
'Treatment of Xenopus animal pole tissue with activin results in the induction of mesodermal cell types and a dramatic elongation of the tissue. The morphogenetic movements involved in the elongation appear similar to those in normal gastrulation, which is driven by cell rearrangement and cell intercalations. We have used this ... More
Chemical imaging of tissue in vivo with video-rate coherent anti-Stokes Raman scattering microscopy.
Authors:Evans CL, Potma EO, Puoris'haag M, Côté D, Lin CP, Xie XS
Journal:Proc Natl Acad Sci U S A
PubMed ID:16263923
'Imaging living organisms with molecular selectivity typically requires the introduction of specific labels. Many applications in biology and medicine, however, would significantly benefit from a noninvasive imaging technique that circumvents such exogenous probes. In vivo microscopy based on vibrational spectroscopic contrast offers a unique approach for visualizing tissue architecture with ... More
In vivo migration of dendritic cells differentiated in vitro: a chimpanzee model.
Authors:Barratt-Boyes SM, Watkins SC, Finn OJ
Journal:J Immunol
PubMed ID:9144465
'Dendritic cells with potent Ag-presenting function can be propagated from peripheral blood using recombinant cytokines, and these cells have potential usefulness as immunotherapeutic agents in the treatment of cancer and other disease states. However, it is not known if these in vitro differentiated dendritic cells have the capacity to migrate ... More