H. Ohta

Publications32
h-index14
Citations509
Highly Influential Citations25
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Regulation of chromatin and chromosome morphology by histone H3 modifications in pig oocytes.
Oocyte growth, maturation, and activation are complex processes that include transcription, heterochromatin formation, chromosome condensation and decondensation, two consecutive chromosome… Expand
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Commitment of Fetal Male Germ Cells to Spermatogonial Stem Cells During Mouse Embryonic Development1
Abstract The continuous production of mammalian sperm is maintained by the proliferation and differentiation of spermatogonial stem cells that originate from primordial germ cells (PGCs) in the early… Expand
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Quantitative contrast-enhanced ultrasonography of canine spleen.
Contrast-enhanced ultrasonography has an important role in the detection of tumors in humans. The second-generation contrast agent Sonazoid has the ability of real-time contrast imaging along with… Expand
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Injection of Somatic Cell Cytoplasm into Oocytes Before Intracytoplasmic Sperm Injection Impairs Full-Term Development and Increases Placental Weight in Mice1
Abstract This study investigated the effects on fertilized embryo development of somatic cytoplasm after its injection into intact mouse oocytes. Mature oocytes collected from female B6D2F1 mice were… Expand
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Quantitative changes in yolk protein and other components in the ovary and testis of the sea urchin Pseudocentrotus depressus
SUMMARY Both male and female sea urchins accumulate the major yolk protein (MYP; the most abundant yolk granule protein in sea urchin eggs) in the nutritive phagocytes of immature gonads before… Expand
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Synthesis, in vitro pharmacology, structure-activity relationships, and pharmacokinetics of 3-alkoxy-2-amino-6-fluorobicyclo[3.1.0]hexane-2,6-dicarboxylic acid derivatives as potent and selective…
Novel group II metabotropic glutamate receptor (mGluR) antagonists, 3-alkoxy-2-amino-6-fluorobicyclo[3.1.0]hexane-2,6-dicarboxylic acid derivatives 11 and 12, were discovered by the incorporation of… Expand
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Molecular Cloning and Characterization of Phosphatidylcholine Transfer Protein-Like Protein Gene Expressed in Murine Haploid Germ Cells
Abstract We have isolated a cDNA clone specifically expressed in spermiogenesis from a subtracted cDNA library of mouse testis. The cDNA consisted of 1392 nucleotides and had an open reading frame of… Expand
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Anchored Lagrangian submanifolds and their Floer theory
We introduce the notion of (graded) anchored Lagrangian submanifolds and use it to study the filtration of Floer' s chain complex. We then obtain an anchored version of Lagrangian Floer homology and… Expand
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Isolation and Characterization of a Haploid Germ Cell-Specific Novel Complementary Deoxyribonucleic Acid; Testis-Specific Homologue of Succinyl CoA:3-Oxo Acid CoA Transferase
Abstract We have isolated a cDNA clone encoding a mouse haploid germ cell-specific protein from a subtracted cDNA library. Sequence analysis of the cDNA revealed high homology with pig and human… Expand
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Proliferation and Differentiation of Spermatogonial Stem Cells in the W/W v Mutant Mouse Testis1
Abstract Mutations in the dominant-white spotting (W; c-kit) and stem cell factor (Sl; SCF) genes, which encode the transmembrane tyrosine kinase receptor and its ligand, respectively, affect both… Expand
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