Topic
Estrogen-related receptor alpha
About: Estrogen-related receptor alpha is a research topic. Over the lifetime, 1795 publications have been published within this topic receiving 104561 citations. The topic is also known as: ERR1 & ERRa.
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TL;DR: A complementary DNA clone containing the entire translated portion of the messenger RNA for the estrogen receptor from MCF-7 human breast cancer cells was sequenced and then expressed in Chinese hamster ovary cells to give a functional protein, which suggests that steroid receptor genes and the avian erythroblastosis viral oncogene are derived from a common primordial gene.
Abstract: The mechanism by which the estrogen receptor and other steroid hormone receptors regulate gene expression in eukaryotic cells is not well understood. In this study, a complementary DNA clone containing the entire translated portion of the messenger RNA for the estrogen receptor from MCF-7 human breast cancer cells was sequenced and then expressed in Chinese hamster ovary (CHO-K1) cells to give a functional protein. An open reading frame of 1785 nucleotides in the complementary DNA corresponded to a polypeptide of 595 amino acids and a molecular weight of 66,200, which is in good agreement with published molecular weight values of 65,000 to 70,000 for the estrogen receptor. Homogenates of transformed Chinese hamster ovary cells containing a protein that bound [3H]estradiol and sedimented as a 4S complex in salt-containing sucrose gradients and as an 8 to 9S complex in the absence of salt. Interaction of this receptor-[3H]estradiol complex with a monoclonal antibody that is specific for primate ER confirms the identity of the expressed complementary DNA as human estrogen receptor. Amino acid sequence comparisons revealed significant regional homology among the human estrogen receptor, the human glucocorticoid receptor, and the putative v-erbA oncogene product. This suggests that steroid receptor genes and the avian erythroblastosis viral oncogene are derived from a common primordial gene. The homologous region, which is rich in cysteine, lysine, and arginine, may represent the DNA-binding domain of these proteins.
1,333 citations
TL;DR: This minireview will discuss the recent progress toward the understanding of the molecular mechanisms of estrogen signaling, focusing on the following four pathways: 1) classical ligand-dependent; 2) ligand -independent; 3) DNA binding-independent; and 4) cell-surface (nongenomic) signaling.
1,201 citations
TL;DR: The expression cloning of a novel Y-type receptor from rat hypothalamus is reported, which is thought to be the postulated 'feeding' receptor and may provide a new method for the study and treatment of obesity and eating disorders.
Abstract: Neuropeptide Y (NPY) is a powerful stimulant of food intake and is proposed to activate a hypothalamic 'feeding' receptor distinct from previously cloned Y-type receptors. This receptor was first suggested to explain a feeding response to NPY and related peptides, including NPY2-36, that differed from their activities at the Y1 receptor. Here we report the expression cloning of a novel Y-type receptor from rat hypothalamus, which we name Y5. The complementary DNA encodes a 456-amino-acid protein with less than 35% overall identity to known Y-type receptors. The messenger RNA is found primarily in the central nervous system, including the paraventricular nucleus of the hypothalamus. The extent to which selected peptides can inhibit adenylate cyclase through the Y5 receptor and stimulate food intake in rats correspond well. Our data support the idea that the Y5 receptor is the postulated 'feeding' receptor, and may provide a new method for the study and treatment of obesity and eating disorders.
931 citations
TL;DR: This work presents a detailed description of the structure-function relationships and models of FSH-FSH Receptor interaction, and some of the mechanisms behind the interaction between the FSH and FSH receptor have been described.
Abstract: I. Introduction II. Biochemical Properties of the FSH Receptor: A Historical Prelude III. Molecular Structure of the FSH Receptor A. Cloning of the FSH receptor B. Predicted primary structure of the FSH receptor C. Molecular mass of the FSH receptor IV. The FSH Receptor Gene A. Chromosomal localization B. Structure and organization of the FSH receptor gene C. The promoter of the FSH receptor gene V. Expression of the FSH Receptor and Its Regulation A. FSH receptor gene expression B. Expression of the FSH receptor in the testis C. Expression of the FSH receptor in the ovary VI. Expression of the FSH Receptor in Cell Lines A. Cell lines expressing the recombinant FSH receptor B. Measurement of FSH by means of “recombinant” in vitro bioassays C. FSH receptor function in cell lines VII. Structure-Function Relationships and Models of FSH-FSH Receptor Interaction A. General features B. Structure-function relationships C. Models of FSH-FSH receptor interaction VIII. Signal Transduction and Postreceptor Events A....
826 citations
TL;DR: The development of an ERβ-selective antibody that cross-reacts with mouse, rat, and human ERβ protein and its use to determine the distribution of ERβ in the murine brain is reported.
Abstract: Estrogen receptor α (ERα) and ERβ are members of the steroid nuclear receptor family that modulate gene transcription in an estrogen-dependent manner. ER mRNA and protein have been detected both peripherally and in the central nervous system, with most data having come from the rat. Here we report the development of an ERβ-selective antibody that cross-reacts with mouse, rat, and human ERβ protein and its use to determine the distribution of ERβ in the murine brain. Further, a previously characterized polyclonal antibody to ERα was used to compare the distribution of the two receptors in the first comprehensive description of ER distribution specifically in the mouse brain. ERβ immunoreactivity (ir) was primarily localized to cell nuclei within select regions of the brain, including the olfactory bulb, cerebral cortex, septum, preoptic area, bed nucleus of the stria terminalis, amygdala, paraventricular hypothalamic nucleus, thalamus, ventral tegmental area, substantia nigra, dorsal raphe, locus coeruleus...
778 citations