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We have examined the cytoskeletal architecture and its relationship with synaptic vesicles in synapses by quick-freeze deep-etch electron microscopy (QF.DE). The main cytoskeletal elements in the presynaptic terminals (neuromuscular junction, electric organ, and cerebellar cortex) were actin filaments and microtubules. The actin filaments formed a network(More)
Although calmodulin is generally regarded as a soluble protein, a considerable amount of calmodulin activity was found to be associated with particulate fractions of mammalian tissues after an extensive washing of the particulate fraction with EGTA. Identity of this particle-bound and EGTA-nonextractable form of calmodulin with soluble calmodulin was(More)
Ebp2 has an essential role in the biogenesis of 60S ribosomal subunits. Synthetic-sick alleles with the ebp2-14 mutation were screened. The mutations were localized to the ARD1 and NAT1 genes, which encode the catalytic subunit and the auxiliary subunit of N(α)-acetyltransferase NatA respectively. Polysome analyses revealed that ard1Δ and nat1Δ caused a(More)
PURPOSE We analyzed the gene expression of the glycoprotein termed secreted protein, acidic and rich in cysteine (SPARC), also called osteonectin and BM40, in bladder cancer and its relationship with conventional clinical-histopathological manifestations, evaluated its prognostic value for patient outcome and determined the possible mechanism underlying the(More)
BACKGROUND Liver metastasis from breast cancer has a poor prognosis. While there are some reports of good response rates of hepatic metastasis from breast cancer by hepatic intra-arterial infusion chemotherapy, no phase I study including pharmacokinetic analysis has been reported. We performed a phase I/II study of intra-arterial infusion chemotherapy using(More)
Rat pituitary malignant tumor cells; mGH3, show hypervascularization in in vivo xenografts and overexpress parathyroid hormone-related peptide (PTHrP) compared to original GH3 cells. To elucidate whether PTHrP is involved in tumor-derived angiogenesis, we examined the effect of PTHrP on vascular endothelial cells both in vitro and in vivo. Results of in(More)
The effect of tensile stress on the orientation and phenotype of arterial smooth muscle cells (SMCs) cultured in three-dimensional (3D) type I collagen gels was morphologically investigated. Ring-shaped hybrid tissues were prepared by thermal gelation of a cold mixed solution of type I collagen and SMCs derived from bovine aorta. The tissues were subjected(More)
In this study we investigated the effects of bathing on the quality of sleep in 30 elderly people (ages 65-83 years) and in 30 young people (ages 17-22 years) in their homes. Room temperature did not vary significantly during the nights that data were acquired, ranging from 8 to 12 degrees C. After bathing and at the beginning of sleep, the mean (SE) rectal(More)