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Expression of vomeronasal receptor genes in Xenopus laevis
TLDR
The analysis of V2R expression in Xenopus larvae demonstrates that V2Rs are predominantly expressed in the VNO even before metamorphosis, which implies that V1Rs play important roles in the sensory transduction of Xenopus VNO.
Gangliosides from the eggs of the sea urchin, Anthocidaris crassispina.
TLDR
Proton nuclear magnetic resonance spectroscopic study revealed a downfield-shifted H8 proton signal of NeuGc residue in T1 ganglioside, in agreement with the presence of sulfate ester at the C8 position.
Egg and sperm recognition systems during fertilization
TLDR
The molecules controlling the sperm AR, sperm attachment to, and penetration through, the egg investments are introduced.
A major glycoprotein of Xenopus egg vitelline envelope, gp41, is a frog homolog of mammalian ZP3
TLDR
Northern blot and in situ hybridization studies indicated that gp43 mRNA is expressed in oocytes, particularly in the previtellogenic oocyte, and strongly suggested that gp41 is generated at least by processing of the N‐terminal portion of gp43 with oviductin.
Elimination of silica gel from gangliosides by using a reversed-phase column after preparative thin-layer chromatography.
TLDR
A simple and effective procedure has been developed for eliminating silica gel from gangliosides after preparative thin-layer chromatography with yields of 92% and 90% in terms of dry weight and sialic acid content.
Molecular basis for oviductin-mediated processing from gp43 to gp41, the predominant glycoproteins of Xenopus egg envelopes.
TLDR
It is proposed that oviductin possessing the substrate specificity of GSR simultaneously digests gp43 at Arg residues in GSR61 and GSR373 to generate the N- and C-terminus of gp41, respectively.
Glucosylceramide having a novel tri-unsaturated long-chain base from the spermatozoa of the starfish, Asterias amurensis.
TLDR
Glucosylceramide (Glc beta 1-1Cer) was isolated from the spermatozoa of the starfish, Asterias amurensis, and long-chain aldehydes derived from them were analyzed mainly by proton nuclear-magnetic resonance to determine the detailed structures.
Complementary DNA cloning and characterization of RANDAM‐2, a type I membrane molecule specifically expressed on glutamatergic neuronal cells in the mouse cerebrum
TLDR
Results indicate that RANDAM‐2 is one of the type I membrane surface antigens constitutively expressed on undifferentiated neuronal cells and the glutamatergic neuronal cells during mouse neurogenesis.
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