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  • 1
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    Central role of the CNGA4 channel subunit in Ca2+-calmodulin-dependent odor adaptation (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-12-12
    Description: Heteromultimeric cyclic nucleotide-gated (CNG) channels play a central role in the transduction of odorant signals and subsequent adaptation. The contributions of individual subunits to native channel function in olfactory receptor neurons remain unclear. Here, we show that the targeted deletion of the mouse CNGA4 gene, which encodes a modulatory CNG subunit, results in a defect in odorant-dependent adaptation. Channels in excised membrane patches from the CNGA4 null mouse exhibited slower Ca2+-calmodulin-mediated channel desensitization. Thus, the CNGA4 subunit accelerates the Ca2+-mediated negative feedback in olfactory signaling and allows rapid adaptation in this sensory system.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2885906/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2885906/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Munger, S D -- Lane, A P -- Zhong, H -- Leinders-Zufall, T -- Yau, K W -- Zufall, F -- Reed, R R -- R37 EY006837/EY/NEI NIH HHS/ -- R37 EY006837-13/EY/NEI NIH HHS/ -- R37 EY006837-14/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 2001 Dec 7;294(5549):2172-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Molecular Biology and Genetics, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11739959" target="_blank"〉PubMed〈/a〉
    Keywords: 1-Methyl-3-isobutylxanthine/pharmacology ; *Adaptation, Physiological ; Animals ; Calcium/*metabolism ; Calcium Signaling ; Calmodulin/*metabolism ; Cyclic AMP/metabolism ; Cyclic Nucleotide-Gated Cation Channels ; Cyclohexanols/pharmacology ; Electrophysiology ; Gene Targeting ; Ion Channel Gating ; Ion Channels/*genetics/*physiology ; Kinetics ; Mice ; Mice, Inbred C57BL ; *Monoterpenes ; *Odors ; Olfactory Bulb/physiology ; Olfactory Mucosa/physiology ; Olfactory Receptor Neurons/metabolism/*physiology ; Protein Subunits ; Terpenes/pharmacology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Opening the window to odor space (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-01-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reed, R R -- New York, N.Y. -- Science. 1998 Jan 9;279(5348):193.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Molecular Biology and Genetics, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA. rreed@jhmi.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9446227" target="_blank"〉PubMed〈/a〉
    Keywords: 1-Octanol/pharmacology ; Adenoviridae/genetics/physiology ; Animals ; Caenorhabditis elegans ; *Caenorhabditis elegans Proteins ; Electrophysiology ; Genetic Vectors ; Green Fluorescent Proteins ; Helminth Proteins/physiology ; Ligands ; Luminescent Proteins/analysis/genetics ; *Odors ; Olfactory Receptor Neurons/*physiology ; Patch-Clamp Techniques ; Rats ; Receptors, Odorant/genetics/*physiology ; Recombinant Proteins
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Molecular cloning of odorant-binding protein: member of a ligand carrier family (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-07-15
    Description: Odorant-binding protein (OBP) is found in nasal epithelium, and it selectively binds odorants. Three complementary DNAs encoding rat odorant-binding protein have now been cloned and sequenced. One clone contains an open reading frame predicted to encode an 18,091-dalton protein. RNA blot analysis confirms the localization of OBP messenger RNA in the nasal epithelium. This OBP has 33 percent amino acid identity to alpha 2-microglobulin, a secreted plasma protein. Other members of an alpha 2-microglobulin superfamily bind and transport hydrophobic ligands. Thus, OBP probably binds and carries odorants within the nasal epithelium to putative olfactory receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pevsner, J -- Reed, R R -- Feinstein, P G -- Snyder, S H -- DA-00074/DA/NIDA NIH HHS/ -- GM-07626/GM/NIGMS NIH HHS/ -- P01 CA16519-13/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1988 Jul 15;241(4863):336-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3388043" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Carrier Proteins/*genetics ; Cloning, Molecular ; Ligands ; Membrane Proteins/*genetics ; Molecular Sequence Data ; Nasal Mucosa/*physiology ; Rats ; *Receptors, Odorant ; Smell/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Golf: an olfactory neuron specific-G protein involved in odorant signal transduction (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-05-19
    Description: Biochemical and electrophysiological studies suggest that odorants induce responses in olfactory sensory neurons via an adenylate cyclase cascade mediated by a G protein. An olfactory-specific guanosine triphosphate (GTP)-binding protein alpha subunit has now been characterized and evidence is presented suggesting that this G protein, termed Golf, mediates olfaction. Messenger RNA that encodes Golf alpha is expressed in olfactory neuroephithelium but not in six other tissues tested. Moreover, within the olfactory epithelium, Golf alpha appears to be expressed only by the sensory neurons. Specific antisera were used to localize Golf alpha protein to the sensory apparatus of the receptor neurons. Golf alpha shares extensive amino acid identity (88 percent) with the stimulatory G protein, Gs alpha. The expression of Golf alpha in S49 cyc- kin- cells, a line deficient in endogenous stimulatory G proteins, demonstrates its capacity to stimulate adenylate cyclase in a heterologous system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jones, D T -- Reed, R R -- New York, N.Y. -- Science. 1989 May 19;244(4906):790-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Molecular Biology and Genetic Johns Hopkins School of Medicine, Baltimore, MD 21205.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2499043" target="_blank"〉PubMed〈/a〉
    Keywords: Adenylyl Cyclases/metabolism ; Amino Acid Sequence ; Animals ; Base Sequence ; Cloning, Molecular ; GTP-Binding Proteins/analysis/genetics/*physiology ; Gene Expression Regulation ; Immunoblotting ; Immunohistochemistry ; Molecular Sequence Data ; Neurons, Afferent/analysis/*physiology ; *Odors ; Olfactory Bulb/physiology ; Olfactory Mucosa/analysis/*innervation ; RNA, Messenger/analysis/genetics ; Rats ; Sequence Homology, Nucleic Acid ; *Signal Transduction ; Tissue Distribution ; Transfection
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Adenylyl cyclase amino acid sequence: possible channel- or transporter-like structure (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-06-30
    Description: Complementary DNA's that encode an adenylyl cyclase were isolated from a bovine brain library. Most of the deduced amino acid sequence of 1134 residues is divisible into two alternating sets of hydrophobic and hydrophilic domains. Each of the two large hydrophobic domains appears to contain six transmembrane spans. Each of the two large hydrophilic domains contains a sequence that is homologous to a single cytoplasmic domain of several guanylyl cyclases; these sequences may represent nucleotide binding sites. An unexpected topographical resemblance between adenylyl cyclase and various plasma membrane channels and transporters was observed. This structural complexity suggests possible, unappreciated functions for this important enzyme.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krupinski, J -- Coussen, F -- Bakalyar, H A -- Tang, W J -- Feinstein, P G -- Orth, K -- Slaughter, C -- Reed, R R -- Gilman, A G -- CA16519/CA/NCI NIH HHS/ -- GM12230/GM/NIGMS NIH HHS/ -- GM34497/GM/NIGMS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1989 Jun 30;244(4912):1558-64.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, University of Texas Southwestern Medical Center, Dallas 75235.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2472670" target="_blank"〉PubMed〈/a〉
    Keywords: *Adenylyl Cyclases/genetics/isolation & purification ; Amino Acid Sequence ; Animals ; Base Sequence ; Brain/enzymology ; *Carrier Proteins ; Cattle ; Cell Line ; Cloning, Molecular ; DNA/genetics ; Electrophoresis, Polyacrylamide Gel ; *Ion Channels ; Membrane Proteins ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Protein Conformation ; Transfection
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Identification of a specialized adenylyl cyclase that may mediate odorant detection (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-12-07
    Description: The mammalian olfactory system may transduce odorant information via a G protein-mediated adenosine 3',5'-monophosphate (cAMP) cascade. A newly discovered adenylyl cyclase, termed type III, has been cloned, and its expression was localized to olfactory neurons. The type III protein resides in the sensory neuronal cilia, which project into the nasal lumen and are accessible to airborne odorants. The enzymatic activity of the type III adenylyl cyclase appears to differ from nonsensory cyclases. The large difference seen between basal and stimulated activity for the type III enzyme could allow considerable modulation of the intracellular cAMP concentration. This property may represent one mechanism of achieving sensitivity in odorant perception.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bakalyar, H A -- Reed, R R -- 5T32CA09339/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1990 Dec 7;250(4986):1403-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology and Genetics, Howard Hughes Medical Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21205.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2255909" target="_blank"〉PubMed〈/a〉
    Keywords: Adenylyl Cyclases/genetics/*physiology ; Amino Acid Sequence ; Animals ; Brain/enzymology/physiology ; Cell Line ; Clone Cells ; Cloning, Molecular ; Gene Library ; Glycosylation ; Isoenzymes/genetics/*physiology ; Macromolecular Substances ; Molecular Sequence Data ; Molecular Weight ; Neurons, Afferent/enzymology/physiology ; Nose/enzymology/physiology ; *Odors ; Protein Conformation ; Rats ; *Signal Transduction
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Neuroscience. ORs rule the roost in the olfactory system (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-12-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lewcock, Joseph W -- Reed, Randall R -- New York, N.Y. -- Science. 2003 Dec 19;302(5653):2078-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Molecular Biology and Genetics, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14684811" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Alleles ; Animals ; Cell Nucleus/metabolism ; Chromosomes, Artificial, Yeast ; Feedback, Physiological ; *Gene Expression Regulation ; Genes, Reporter ; Mice ; Mice, Transgenic ; Multigene Family ; Odors ; Olfactory Receptor Neurons/*metabolism ; Promoter Regions, Genetic ; Pseudogenes ; Receptors, Odorant/*genetics/*metabolism ; Signal Transduction ; Transgenes
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 8
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    Transcriptional control of preadipocyte determination by Zfp423 (2010)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2010-03-05
    Description: The worldwide epidemic of obesity has increased the urgency to develop a deeper understanding of physiological systems related to energy balance and energy storage, including the mechanisms controlling the development of fat cells (adipocytes). The differentiation of committed preadipocytes to adipocytes is controlled by PPARgamma and several other transcription factors, but the molecular basis for preadipocyte determination is not understood. Using a new method for the quantitative analysis of transcriptional components, we identified the zinc-finger protein Zfp423 as a factor enriched in preadipose versus non-preadipose fibroblasts. Ectopic expression of Zfp423 in non-adipogenic NIH 3T3 fibroblasts robustly activates expression of Pparg in undifferentiated cells and permits cells to undergo adipocyte differentiation under permissive conditions. Short hairpin RNA (shRNA)-mediated reduction of Zfp423 expression in 3T3-L1 cells blunts preadipocyte Pparg expression and diminishes the ability of these cells to differentiate. Furthermore, both brown and white adipocyte differentiation is markedly impaired in Zfp423-deficient mouse embryos. Zfp423 regulates Pparg expression, in part, through amplification of the BMP signalling pathway, an effect dependent on the SMAD-binding capacity of Zfp423. This study identifies Zfp423 as a transcriptional regulator of preadipocyte determination.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2845731/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2845731/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gupta, Rana K -- Arany, Zoltan -- Seale, Patrick -- Mepani, Rina J -- Ye, Li -- Conroe, Heather M -- Roby, Yang A -- Kulaga, Heather -- Reed, Randall R -- Spiegelman, Bruce M -- DK081605/DK/NIDDK NIH HHS/ -- DK31405/DK/NIDDK NIH HHS/ -- F32 DK079507/DK/NIDDK NIH HHS/ -- F32 DK079507-01/DK/NIDDK NIH HHS/ -- F32 DK079507-02/DK/NIDDK NIH HHS/ -- K08 HL79172-01/HL/NHLBI NIH HHS/ -- K99 DK081605/DK/NIDDK NIH HHS/ -- P30 DK040561/DK/NIDDK NIH HHS/ -- P30 DK040561-14/DK/NIDDK NIH HHS/ -- R01 DC008295/DC/NIDCD NIH HHS/ -- R01 DC008295-04/DC/NIDCD NIH HHS/ -- R01DC008295/DC/NIDCD NIH HHS/ -- England -- Nature. 2010 Mar 25;464(7288):619-23. doi: 10.1038/nature08816. Epub 2010 Mar 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cancer Biology and Division of Metabolism and Chronic Disease, Dana-Farber Cancer Institute and Department of Cell Biology, Harvard Medical School, Boston, Massachusetts 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20200519" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue/*cytology ; Animals ; *Cell Differentiation ; DNA-Binding Proteins/*metabolism ; Female ; *Gene Expression Regulation, Developmental ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; NIH 3T3 Cells ; PPAR gamma/metabolism ; Protein Structure, Tertiary ; Smad Proteins/metabolism ; Transcription Factors/*metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 9
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    Isolation of an olfactory cDNA: similarity to retinol-binding protein suggests a role in olfaction (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-02-27
    Description: Molecular cloning techniques were used to isolate and characterize a protein possibly involved in the signal transducing system in olfactory tissue of the frog Rana pipiens. A complementary DNA library was constructed with messenger RNA obtained from frog olfactory neuroepithelium. A 700-base pair complementary DNA clone encoding a protein with a molecular weight of 20,300 was identified by differential hybridization analysis with polyadenylated RNA from olfactory epithelium and nonsensory respiratory epithelium. The messenger RNA corresponding to this clone was abundant in the cells of Bowman's glands in olfactory tissue but not in respiratory epithelium nor in several other tissues. The predicted sequence of this protein is homologous to members of a family of proteins that bind and transport small molecules in serum, suggesting that this protein may also bind and transport odorants in the mucus secreted by Bowman's glands.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, K H -- Wells, R G -- Reed, R R -- 5 PO1 CA16519/CA/NCI NIH HHS/ -- 5 T32 GM07309/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1987 Feb 27;235(4792):1053-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3493528" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cloning, Molecular ; DNA/*genetics/isolation & purification ; Epithelium/analysis ; Molecular Weight ; Mucus/metabolism ; Nucleic Acid Hybridization ; Odors ; Olfactory Mucosa/*analysis/physiology ; RNA, Messenger/genetics/metabolism ; Rana pipiens ; Respiratory System/analysis ; Retinol-Binding Proteins/genetics/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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