(1) In addition to their involvement in thrombosis, activated platelets release growth factors, most notably a platelet-derived growth factor (PDGF) which may be the principal mediator of smooth muscle cell migration from the media into the intima and of smooth muscle cell proliferation in the intima as well as of vasoconstriction.
(2) During capillary growth when endothelial cells (EC) undergo extensive proliferation and migration and pericytes are scarce, hyaluronic acid (HA) levels are elevated.
(3) Major forms of the CV-1 factors migrate between 20 and 24 kilodaltons, while the COS factors migrate between 20 and 28 kilodaltons.
(4) Hence the major role of the 14-A arm of carboxybiotin is not to permit a large carboxyl migration but, rather to permit carboxybiotin to traverse the gap which occurs at the interface of three subunits and to insinuate itself between the CoA and keto acid sites.
(5) The rate of accumulation was highest late in infection and only the slower migrating form incorporates significant amounts of glucosamine.
(6) From this proliferating layer, precursor cells migrate outwards to reach the developing neostriatum in a sequential fashion according to two gradients of histogenesis.
(7) Transplanted cells divided in vivo and progressively migrated into the host brain from the site of implantation up to distances of about 1 mm.
(8) These results suggest that bPAG is probably synthesized by trophoblast binucleate cells and stored in granules prior to delivery into the maternal circulation after cell migration.
(9) Our findings: (1) both forms, LC1 and LC3, migrate in the two species with rather similar electrophoretic constants (both in terms of pI and Mr); (2) the LC2 forms of rabbit and humans exhibit the same Mr but quite different pI values, the rabbit forms being more acidic; (3) the chain LC2Sb is resolved into two spots in both rabbit and humans.
(10) The duration of electrophoresis was based on the migration of a marker dye for a predetermined distance.
(11) The dmax migrated rapidly toward the surface with increasing field size at 100-cm SSD.
(12) A decrease in neutrophil oxidative metabolism and iodination was observed, but there was no effect on neutrophil random migration or ADCC.
(13) Locally directed cell migration was observed in a group of cells in 1. which were involved in a process of aggregation, the latter being probably related to precocious formation of organ primordia.
(14) However, the variation in samples, even from among individual animals that had survived challenge, was so great that it precludes the use of the macrophage migration technique as a routine standard assay procedure for immunity.
(15) The isoenzyme mobility diminished in both tumour chromatin extracts, and the slow migrating gamma isoenzyme exhibited sensitivity to L-cysteine inhibition.
(16) The OPL first appears as a thin, discontinuous break in the cytoblast layer that is frequently interrupted by the profiles of migrating neuro- and glioblasts.
(17) On the latter, it migrated as a single polypeptide chain with or without reducing agents and had an apparent mol wt of 62,000.
(18) Fifteen apparently normal patients who had been cured of cryptococcosis were found, as a group, to have impaired responsiveness to skin testing with cryptococcin and mumps, minimal leukocyte migration inhibition when stimulated with cryptococcin or C. neoformans, but normal group responses to cryptococcin in Cryptococcus-induced lymphocyte transformation.
(19) Fc gamma RIII immunoprecipitated from a neutrophil lysate migrated from 40 to 76 Kd, whereas Fc gamma RIII immunoprecipitated from serum from the same donor migrated from 40 to 66 Kd.
(20) A greater degree of inhibition of migration was induced by addition of antigen to mononuclear cells from 18- and 24-hour exudate cells in comparison with 6- and 12-hour exudates.
Transmigration
Definition:
(n.) The act of passing from one country to another; migration.
(n.) The passing of the soul at death into another mortal body; metempsychosis.
Example Sentences:
(1) After having analysed the most frequent etiological factors of mandibular canine impaction, the authors present their considerations concerning the probable pathogenetic mechanism of transmigration.
(2) The actual size of the population requiring institutional care, however, remains stable forcing individuals to transmigrate from one system to the other in order to obtain institutional support.
(3) In conclusion it is important, also from a therapeutical point of view, to keep under control, by periodical panoramic radiographs, all those clinical situations considered at risk due to their possible evolution in transmigration and which are characterized by: 1) an unerupted canine which can be palpated in a mesial position in the labial sulcus; 2) an enlarged symphyseal cross-sectional area; 3) an obstacle to normal eruption (cysts, odontomas, ecc.
(4) The initial decrease in resistance, maximal 5-13 min after initiation of transmigration, occurs despite inhibition of transmigration by an antibody to the common beta subunit of neutrophil beta 2 integrins, and is paralleled by an increase in transepithelial short-circuit current.
(5) Here we show that detailed time course studies of the transmigration-elicited decline in resistance has two components, one of which is unrelated to junctional permeability.
(6) Adhesion of lymphocytes to endothelial cells (EC) is the requisite first element in the multistep process of transmigration from blood across the postcapillary venules.
(7) During gastrostomy closure and performance of a feeding jejunostomy, inadvertent transmigration of the gastrostomy tube was found to be the etiology of the small intestinal obstruction.
(8) In contrast, eosinophils from allergic asthma patients showed an increased adherence and transmigration capacity.
(9) The patient explained his anxiety and his symptoms as stemming from violent death in his former life and subsequent transmigration.
(10) This response was dependent on the size of the FMLP gradient and the density of PMN transmigration.
(11) Three cases in whom transmigrated IUDs were removed with operative laparoscope are presented.
(12) Thus, permeability alterations accompanying PMN transmigration can be specifically attributed to altered permeability of the rate limiting barrier of the paracellular pathway, the intercellular tight junction.
(13) Chi-square analysis shows that there is no statistical difference between the tendency to right or left transmigration.
(14) We have previously reported that abdominal irradiation of mice inhibited lung metastases of a weakly immunogenic fibrosarcoma, and that transmigration after the irradiation of Enterobacter cloacae into mesenteric lymph nodes coincided with this phenomenon.
(15) Using this model, we demonstrate that neutrophil transmigration in a plasma milieu was associated with a significant disruption of the retentive properties of the basement membrane in the absence of discernable morphologic changes.
(16) 13 cases of transmigration of impacted mandibular cuspids are presented, 3 of which occurred in pairs, raising the total number of teeth to 16.
(17) In such cases the heterotopic tube should be removed to reduce the risk of ectopic pregnancy and to eliminate competition between the tubes for the transmigrating sperm and oocyte.
(18) Furthermore, in ampullary operated oviducts peritoneal transmigration of ova was frequently observed.
(19) Lungs from rIL-2-treated (but not controls) animals displayed marked ultrastructural changes by electron microscopy in the arteriolar segment to include intracellular and subcellular blebs throughout the arteriole with separation of endothelial cells from basement membrane, interstitial edema, endothelial adhesion, and transmigration of lymphocytes into interstitium.
(20) Both IFN-gamma and TNF-alpha caused sustained increased transmigration with IFN-gamma having the greater effect.