Results 101 to 110 of about 149,494 (327)
Cells, 2020 Trophoblasts are the first cell type to be specified during embryogenesis, and they are essential for placental morphogenesis and function. Trophoblast stem (TS) cells are the progenitor cells for all trophoblast lineages; control of TS cell ...
Mariyan J. Jeyarajah +3 more
doaj +1 more source
Reproductive Medicine and Biology, 2022 Purpose The present study aimed to examine the correlations of the time interval from trophectoderm (TE) biopsy to vitrification with the blastocyst survival rate and blastocyst outgrowth ability.
Tetsuya Miki +4 more
doaj +1 more source
Aneuploidy in the Human Blastocyst
Cytogenetic and Genome Research, 2011 Studies of human cleavage stage embryos, 3 days after fertilization of the oocyte, have revealed remarkably high levels of chromosome abnormality. In addition to meiotic errors derived from the gametes, principally the oocyte, mitotic errors occurring after fertilization are also common, leading to widespread chromosomal mosaicism.
Fragouli, E, Wells, D
openaire +2 more sources
Gene expression analysis of bovine embryonic disc, trophoblast and parietal hypoblast at the start of gastrulation [PDF]
, 2017 In cattle early gastrulation-stage embryos (Stage 5), four tissues can be discerned: (i) the top layer of the embryonic disc consisting of embryonic ectoderm (EmE); (ii) the bottom layer of the disc consisting of mesoderm, endoderm and visceral hypoblast
Berg, D +3 more
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Developmental Dynamics, EarlyView.Abstract Background Sporadic venous malformation (VM) is associated with the hyperactivating p.L914F mutation in TIE2, a receptor tyrosine kinase essential for vascular development. This mutation is not found in hereditary VM, suggesting incompatibility with life when expressed during early vascular development.
Lindsay J. Bischoff +6 more
wiley +1 more source
Role of the Mitochondrial Genome During Early Development in Mice [PDF]
, 1973 The role of the mitochondrial genome in early development and differentiation was studied in mouse embryos cultured in vitro from the two to four cell stage to the blastocyst (about 100 cells).
Chase, David G., Pikó, Lajos
core
Pregnancy via Testicular Sperm Extraction for Anejaculation After Neuroblastoma Surgery
IJU Case Reports, EarlyView.ABSTRACT Background Surgical treatment of a neuroblastoma, a malignant tumor of the sympathetic nervous system, may result in ejaculatory disorder. There are no reports examining ejaculation disorders after neuroblastoma surgery. Case Presentation The patient was a 31‐year‐old Japanese male who had undergone surgery for neuroblastoma of the abdomen at ...
Jurii Karibe +8 more
wiley +1 more source
P-286 Can laser assisted hatching help implantation of warmed blastocysts in presence of fragmented cells ? [PDF]
, 2022 Pierre Sanguinet +6 more
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Partial Trajectory: The Story of the Altered Nuclear Transfer-Oocyte Assisted Reprogramming (ANT-OAR) Proposal [PDF]
, 2007 This essay aims to tell the story of the “altered nuclear transfer-oocyte assisted reprogramming,” or ANT-OAR, proposal—from its conception by Professor William Hurlbut of the President’s Council on Bioethics—to its adoption and promotion by a group of ...
Byrnes, W. Malcolm
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iMetaMed, EarlyView.The maternal–fetal interface demands tolerance alongside antimicrobial defense. Plastic macrophages orchestrate inflammation resolution, tissue remodeling, and angiogenesis in normal gestation; complications (miscarriage, preterm birth) feature polarization skewing and dysfunction.
Xinyue Wang +3 more
wiley +1 more source