نتایج جستجو برای: pre implantation time
تعداد نتایج: 2189447 فیلتر نتایج به سال:
Introduction: Hearing is one of the dominant senses of humans. In fact, human beings learn the language which is spoken in their environment and, then, develop the capability to speak. Cochlear implantation is introduced worldwide as a method for the treatment of the severe-to-profound sensory-neural hearing loss. Therefore, the present study aims to investigate the effect of cochlear implantat...
BACKGROUND Cell transplantation is likely to become an important therapeutic tool for the treatment of various traumatic and ischemic injuries to the central nervous system (CNS). However, in many pre-clinical cell therapy studies, reporter gene-assisted imaging of cellular implants in the CNS and potential reporter gene and/or cell-based immunogenicity, still remain challenging research topics...
Our understanding of human pre-implantation development is limited by the availability of human embryos and cannot completely rely on mouse studies. Petropoulos et al. now provide an extensive transcriptome analysis of a large number of human pre-implantation embryos at single-cell resolution, revealing previously unrecognized features unique to early human development.
Early mammalian embryogenesis is currently the focus of intense interest because of the potential of inner cell mass-derived embryonic stem cell lines in new therapeutic strategies. As such, creating molecular profiles of gene expression during pre-implantation development will provide a framework for understanding the biological properties of these cells and also establish a tool set for subse...
BACKGROUND Preimplantation development is a crucial step in early human development. However, the molecular basis of human preimplantation development is not well known. METHODOLOGY By applying microarray on 397 human oocytes and embryos at six developmental stages, we studied the transcription dynamics during human preimplantation development. PRINCIPAL FINDINGS We found that the preimplan...
Background: A prerequisite for successful embryo implantation is adequate preparation of receptive endometrium and the establishment and maintenance of a viable embryo. The success of implantation further relies upon a two-way dialogue between the embryo and uterus. However, molecular bases of these preimplantation and implantation processes in humans are not well known. Materials and Methods: ...
Introduction: Literature regarding the different degrees of hearing loss in patients with Cornelia de Lange syndrome (CDLS) reports that half of the affected patients exhibit severe to profound sensorineural hearing loss. We present the first pre-school child with CDLS who underwent cochlear implantation for congenital profound sensorineural hearing loss. Case Report: A 3-year-old boy with CD...
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