Topic
Complementary DNA
About: Complementary DNA is a research topic. Over the lifetime, 55301 publications have been published within this topic receiving 2752650 citations. The topic is also known as: cDNA & DNA, Complementary.
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TL;DR: These studies identify an orphan clone that helps to define features of the opiate receptor gene family, including apparent differential splicing and expression in peripheral tissues.
412 citations
412 citations
TL;DR: The identified and cloned a novel member of the nuclear receptor superfamily, which appears to be predominantly located in brain tissue, suggesting a primary role for this putative transcription factor in regulation of gene expression in the central nervous system.
Abstract: We have identified and cloned a novel member of the nuclear receptor superfamily. The cDNA was isolated from a mouse brain cDNA library and encodes a protein 598 amino acids in length with a predicted mol wt of 66 kilodaltons. The amino acid sequence of the protein is closely related to an additional family member and immediate early gene product, Nur77, and the novel factor is referred to as Nurr1 (Nur-related factor 1). The relationship between Nurr1 and Nur77 suggests that these proteins constitute an additional subfamily within the nuclear receptor superfamily. Like Nur77, the expression of Nurr1 is induced by membrane depolarization of PC12 cells. However, while Nur77 shows an early transcriptional response to nerve growth factor stimulation, the failure of Nurr1 to respond to this agent suggests a differential selectivity of the two proteins in terms of their transcriptional responses to specific stimuli. Finally, both proteins are differentially expressed during development and in tissues of the ad...
411 citations
TL;DR: The data reported predict the previously unknown sequence of the signal peptide of human growth hormone and strengthens the hypothesis that these genes evolved by gene duplication from a common ancestral sequence.
Abstract: The nucleotide sequence of a DNA complementary to human growth hormone messenger RNA was cloned; it contains 29 nucleotides in its 5' untranslated region, the 651 nucleotides coding for the prehormone, and the entire 3' untranslated region (108 nucleotides). The data reported predict the previously unknown sequence of the signal peptide of human growth hormone and, by comparison with the previously determined sequences of rat growth hormone and human chorionic somatomammotropin, strengthens the hypothesis that these genes evolved by gene duplication from a common ancestral sequence. The human growth hormone gene sequences have been linked in phase to a fragment of the trp D gene of Escherichia coli in a plasmid vehicle, and a fusion protein is synthesized at high level (approximately 3 percent of bacterial protein) under the control of the regulatory region of the trp operon. This fusion protein (70 percent of whose amino acids are coded for by the human growth hormone gene) reacts specifically with antibodies to human growth hormone and is stable in E. coli.
410 citations
TL;DR: HTLR10 mRNA is most highly expressed in lymphoid tissues such as spleen, lymph node, thymus, and tonsil, and Expression analysis of cell lines indicates a predominance in a variety of immune cell types, and is preferentially expressed in tissues and cells involved in immune responses.
410 citations