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At least 793 records · Page 44Linked to original sources
PubMed2006

Think globally, act locally: local translation and synapse formation in cultured Aplysia neurons.

Synapse formation is initiated by cell-cell contact between appropriate pre- and postsynaptic cells and is followed by recruitment of protein complexes in both pre- and postsynaptic compartments. In this issue of Neuron, Lyles et al. show that in cultured Aplysia neurons, clustering of an mRNA at nascent synapses is not only induced by the recognition between synaptic partners, but is also required for further synaptic development and maintenance.

Animals↗
PubMed1979

Studies on the quantification of local tissue injury following intramuscular injection of aqueous solutions. VIII. The local lesion after application of turimycin in different preparations.

The increase in drug concentration in aqueous solutions is not responded to by a comparable enlargement of volume of necrosis after intramuscular injection. After application of TURIMYCIN the lesion is more voluminous than those caused by penicillin, lower than those following OTESOLUT and nearly equal to those caused by 5% WOFAPYRIN (phenylbutazone + aminophenazone 1:1).

Animals↗
PubMed1998

Endorectal coil magnetic resonance imaging identifies locally advanced prostate cancer in select patients with clinically localized disease.

OBJECTIVES: Endorectal coil magnetic resonance imaging (erMRI) has been reported to improve the prediction of pathologic Stage T3 disease in patients with clinical Stage T1,2 disease, prostate-specific antigen (PSA) of 10 to 20 ng/mL, biopsy Gleason score of 7 or less, and at least 50% of the biopsy specimens positive from a sextant sampling. This study examines the performance characteristics of the erMRI to predict established extracapsular extension (ECE), seminal vesicle invasion (SVI), and PSA failure-free survival (bNED) in this subgroup. METHODS: The sensitivity, specificity, positive and negative predictive value, and accuracy of the erMRI to predict established ECE and SVI were calculated in the proposed subgroup. PSA failure-free survival stratified by the erMRI-defined stage was estimated by using the method of Kaplan and Meier. RESULTS: The sensitivity, specificity, positive and negative predictive value, and accuracy to predict established ECE and SVI in clinical Stage T1,2 patients was 65%, 100%, 100%, 79%, and 84%, respectively. No patient would have been excluded from surgery on the basis of a false-positive study. Moreover, the percent of patients with pathologic organ-confined disease would have increased from 32% to 61%, and the 3-year bNED rate would have increased from 12% to 45% (P = 0.07) if only patients with erMRI Stage T2 disease were selected for surgery. CONCLUSIONS: The erMRI may significantly improve the identification of established ECE and SVI in select patients with prostate cancer preoperatively. Further study of the erMRI in these select patients is warranted and ongoing.

Disease-Free Survival↗
PubMed2001

Effects of systemic octreotide, local mytomycine-C and local corticosteroids on wound-healing reaction after glaucoma surgery.

PURPOSE: To determine and compare the effectiveness of octreotide, mitomycine-C and corticosteroids on wound-healing reaction after glaucoma surgery. METHODS: A full thickness scleral trephination was carried out by the same surgeon on tour groups of six rabbits. A sponge soaked in mytomicine-C was applied subconjunctivally in group 1 before trephination. Group 2 received corticosteroid drops tid topically for 14 days. Group 3 received subcutaneous octreotide injections tid for 14 days. The control group (group 4) was not given any drug that may interfere with wound healing. All groups received gentamycine drops tid for seven days. The rabbits were Sacrificed on the fourteenth day and the trephination area with overlying conjunctiva was excised. The samples were prefixed with glutaraldehyde, dehydrated and embedded in Araldite Cy 212. Ten semithin sections stained with toluidin blue were analysed for each group. Fibroblast and macrophage counts were performed on the surgical site and subconjunctival area. RESULTS: Intensive fibroblastic activity, increased number of vessels and active macrophages were observed only in group 4. The fibroblast and macrophage densities in this group were significantly higher than the other three groups in which wound healing was modulated (p < 0.001). Mean number of fibroblasts in group 1 was also significantly less than the ones of groups 2 and 3 (p < 0.01). Macrophage densities were similar in groups 1, 2 and 3. No statistical significance was found between groups 2 and 3 by means of fibroblast and macrophage densities. CONCLUSION: Octreotide reduced wound-healing reaction in a similar fashion to corticosteroids or mitomycine-C. These initial results seem promising.

Administration, Topical↗