نتایج جستجو برای: embryonic development
تعداد نتایج: 1457568 فیلتر نتایج به سال:
NO is a free radical that regulates a variety of developmental modulation processes. NO is synthesized by NOS and it acts as a neurotransmitter, neuromodulator or second messenger molecule in the central nervous system. Since NO production may be different before or after birth, the expression of neuronal nitric oxide synthase was examined and analysized during the development of rat optic ...
Differentiation is an epigenetic process which is installed by changes of transcriptional programs over successive cellular divisions. A number of studies have reported the effects of biochemical modifications of chromatin (DNA and chromatin proteins) on the regulation of transcription. Although, these studies are able to explain how transcription of a given gene is regulated (toward activation...
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