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Tenascin-R (TN-R), an extracellular matrix glycoprotein of the CNS, localizes to nodes of Ranvier and perineuronal nets and interacts in vitro with other extracellular matrix components and recognition molecules of the immunoglobulin superfamily. To characterize the functional roles of TN-R in vivo, we have generated mice deficient for TN-R by homologous(More)
A cDNA clone encoding tenascin-W, a novel member of the tenascin family, was isolated from a 20- to 28-h postfertilization (hpf) zebrafish cDNA library on the basis of the conserved epidermal growth factor-like domains represented in all tenascin molecules. An open reading frame of 2796 base pairs encodes a mature protein consisting of heptad repeats, a(More)
Several studies in animals and humans have shown positive effects of nondigestible oligosaccharides (NDO) on mineral absorption and metabolism and bone composition and architecture. These include inulin, oligofructose, fructooligosaccharides, galactooligosaccharides, soybean oligosaccharide, and also resistant starches, sugar alcohols, and difructose(More)
Preliminary results of the Spacelab 1 experiment on the response of Bacillus subtilis spores to conditions of free space are presented. Exposure to the vacuum of space on the Spacelab pallet reduced viability counts about 50 percent and increased mutation frequencies by a factor of about 10. Interpretation of apparent differences in the photobiological and(More)
Thymopoietins (TMPOs) are a group of ubiquitously expressed nuclear proteins. They are suggested to play an important role in nuclear envelope organization and cell cycle control, as has been shown for lamina-associated polypeptides 2 alpha and beta, which are the rat homologs of human TMPOalpha and TMPObeta, respectively. The recent isolation and(More)
Interleukin-1 beta (IL-1 beta) and tumor necrosis factor-alpha (TNF alpha) are important cytokines in the development of brain inflammation during pathological process. During rabies virus infection, the level of these proinflammatory cytokines are enhanced in the brain. In the present study we determined the cellular localization of these two cytokines by(More)
Two sites on tenascin mediate interactions with glycosaminoglycan chains of proteoglycans. One is situated on the fibrinogen-like domain, whereas the other lies within the fibronectin type III homology region (Aukhil, I., Joshi, P., Yan, Y.Z., and Erickson, H.P. (1993) J. Biol. Chem. 268, 2542-2553.). We now characterize the latter binding site more closely(More)