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  • 1
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    The neuronal growth-associated protein GAP-43 induces filopodia in non-neuronal cells (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-06-09
    Description: The neuron-specific protein GAP-43 is associated with the membrane of the nerve growth cone and thus may be important to the activity of this distinctive neuronal structure. Transient transfection of COS and NIH 3T3 cells with appropriate vectors resulted in expression of GAP-43 in these non-neuronal cells; as in neurons, transfected GAP-43 associated with the membrane. In addition, many long fine filopodial processes extended from the periphery of such transfected cells. Stable CHO cell lines expressing GAP-43 also exhibited processes that were more numerous, far longer, and more complex than those of CHO cell lines not transfected or transfected with control plasmids. Thus GAP-43 may directly contribute to growth cone activity by regulating cell membrane structure and enhancing extension of filopodial processes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zuber, M X -- Goodman, D W -- Karns, L R -- Fishman, M C -- New York, N.Y. -- Science. 1989 Jun 9;244(4909):1193-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Developmental Biology Laboratory, Massachusetts General Hospital Cancer Center, Boston.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2658062" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Membrane/*ultrastructure ; Cells, Cultured ; Fluorescent Antibody Technique ; GAP-43 Protein ; Growth Substances/*physiology ; Membrane Proteins/genetics/*physiology ; Mice ; Nerve Tissue Proteins/genetics/*physiology ; Recombinant Proteins/pharmacology ; Transfection
    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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    Impaired defense of intestinal mucosa in mice lacking intestinal trefoil factor (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-10-11
    Description: The mechanisms that maintain the epithelial integrity of the gastrointestinal tract remain largely undefined. The gene encoding intestinal trefoil factor (ITF), a protein secreted throughout the small intestine and colon, was rendered nonfunctional in mice by targeted disruption. Mice lacking ITF had impaired mucosal healing and died from extensive colitis after oral administration of dextran sulfate sodium, an agent that causes mild epithelial injury in wild-type mice. ITF-deficient mice manifested poor epithelial regeneration after injury. These findings reveal a central role for ITF in the maintenance and repair of the intestinal mucosa.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mashimo, H -- Wu, D C -- Podolsky, D K -- Fishman, M C -- P30DK43351/DK/NIDDK NIH HHS/ -- R01DK46906/DK/NIDDK NIH HHS/ -- T32DK07191/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1996 Oct 11;274(5285):262-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Gastrointestinal Unit and Center for the Study of Inflammatory Bowel Disease, Jackson 7, Massachusetts General Hospital, Fruit Street, Boston, MA 02114, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8824194" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cell Movement ; Colitis/etiology/pathology ; Colon/drug effects/pathology/physiology ; Dextran Sulfate/pharmacology ; Gene Targeting ; Growth Substances/genetics/pharmacology/*physiology ; Intestinal Mucosa/drug effects/pathology/*physiology ; Mice ; Molecular Sequence Data ; *Mucins ; *Muscle Proteins ; *Neuropeptides ; Peptides/genetics/pharmacology/*physiology ; Recombinant Proteins/pharmacology
    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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  • 3
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    Effects of cerebral ischemia in mice deficient in neuronal nitric oxide synthase (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-09-23
    Description: The proposal that nitric oxide (NO) or its reactant products mediate toxicity in brain remains controversial in part because of the use of nonselective agents that block NO formation in neuronal, glial, and vascular compartments. In mutant mice deficient in neuronal NO synthase (NOS) activity, infarct volumes decreased significantly 24 and 72 hours after middle cerebral artery occlusion, and the neurological deficits were less than those in normal mice. This result could not be accounted for by differences in blood flow or vascular anatomy. However, infarct size in the mutant became larger after endothelial NOS inhibition by nitro-L-arginine administration. Hence, neuronal NO production appears to exacerbate acute ischemic injury, whereas vascular NO protects after middle cerebral artery occlusion. The data emphasize the importance of developing selective inhibitors of the neuronal isoform.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huang, Z -- Huang, P L -- Panahian, N -- Dalkara, T -- Fishman, M C -- Moskowitz, M A -- NS10828/NS/NINDS NIH HHS/ -- NS2636/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1994 Sep 23;265(5180):1883-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Stroke Research Laboratory, Massachusetts General Hospital, Charlestown 02129.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7522345" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Oxidoreductases/antagonists & inhibitors/deficiency/*metabolism ; Animals ; Arginine/analogs & derivatives/pharmacology ; Brain/enzymology/*metabolism ; Brain Ischemia/complications/*metabolism ; Cerebral Infarction/*etiology ; Cerebrovascular Circulation ; Female ; Male ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Mutation ; Neurons/*enzymology ; Nitric Oxide/*metabolism ; Nitric Oxide Synthase ; Nitroarginine
    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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    Endothelial NOS and the blockade of LTP by NOS inhibitors in mice lacking neuronal NOS (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-07-22
    Description: Long-term potentiation (LTP) is a persistent increase in synaptic strength implicated in certain forms of learning and memory. In the CA1 region of the hippocampus, LTP is thought to involve the release of one or more retrograde messengers from the postsynaptic cell that act on the presynaptic terminal to enhance transmitter release. One candidate retrograde messenger is the membrane-permeant gas nitric oxide (NO), which in the brain is released after activation of the neuronal-specific NO synthase isoform (nNOS). To assess the importance of NO in hippocampal synaptic plasticity, LTP was examined in mice where the gene encoding nNOS was disrupted by gene targeting. In nNOS- mice, LTP induced by weak intensity tetanic stimulation was normal except for a slight reduction in comparison to that in wild-type mice and was blocked by NOS inhibitors, just as it was in wild-type mice. Immunocytochemical studies indicate that in the nNOS- mice as in wild-type mice, the endothelial form of NOS (eNOS) is expressed in CA1 neurons. These findings suggest that eNOS, rather than nNOS, generates NO within the postsynaptic cell during LTP.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉O'Dell, T J -- Huang, P L -- Dawson, T M -- Dinerman, J L -- Snyder, S H -- Kandel, E R -- Fishman, M C -- DA-00074/DA/NIDA NIH HHS/ -- DA-00266/DA/NIDA NIH HHS/ -- MH-45923/MH/NIMH NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1994 Jul 22;265(5171):542-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, College of Physicians and Surgeons of Columbia University, New York, NY 10032.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7518615" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Oxidoreductases/antagonists & inhibitors/genetics/*metabolism ; Animals ; Arginine/*analogs & derivatives/pharmacology ; Electric Stimulation ; Endothelium/enzymology ; Hippocampus/drug effects/enzymology/*physiology ; In Vitro Techniques ; *Long-Term Potentiation/drug effects ; Mice ; Mutation ; Nitric Oxide/*metabolism ; Nitric Oxide Synthase ; Nitroarginine ; Pyramidal Cells/drug effects/enzymology/*physiology ; Synaptic Transmission/drug effects
    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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    CD40 agonists alter tumor stroma and show efficacy against pancreatic carcinoma in mice and humans (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-03-26
    Description: Immunosuppressive tumor microenvironments can restrain antitumor immunity, particularly in pancreatic ductal adenocarcinoma (PDA). Because CD40 activation can reverse immune suppression and drive antitumor T cell responses, we tested the combination of an agonist CD40 antibody with gemcitabine chemotherapy in a small cohort of patients with surgically incurable PDA and observed tumor regressions in some patients. We reproduced this treatment effect in a genetically engineered mouse model of PDA and found unexpectedly that tumor regression required macrophages but not T cells or gemcitabine. CD40-activated macrophages rapidly infiltrated tumors, became tumoricidal, and facilitated the depletion of tumor stroma. Thus, cancer immune surveillance does not necessarily depend on therapy-induced T cells; rather, our findings demonstrate a CD40-dependent mechanism for targeting tumor stroma in the treatment of cancer.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3406187/" 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/PMC3406187/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Beatty, Gregory L -- Chiorean, Elena G -- Fishman, Matthew P -- Saboury, Babak -- Teitelbaum, Ursina R -- Sun, Weijing -- Huhn, Richard D -- Song, Wenru -- Li, Dongguang -- Sharp, Leslie L -- Torigian, Drew A -- O'Dwyer, Peter J -- Vonderheide, Robert H -- K08 CA138907/CA/NCI NIH HHS/ -- K12 CA076931/CA/NCI NIH HHS/ -- P30 CA016520/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2011 Mar 25;331(6024):1612-6. doi: 10.1126/science.1198443.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Abramson Family Cancer Research Institute, University of Pennsylvania School of Medicine, 421 Curie Boulevard, Philadelphia, PA 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21436454" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Animals ; Antibodies, Monoclonal/administration & dosage/adverse ; effects/metabolism/*therapeutic use ; Antigens, CD40/*agonists/*immunology ; Antineoplastic Agents/administration & dosage/adverse effects/*therapeutic use ; Antineoplastic Combined Chemotherapy Protocols/*therapeutic use ; Carcinoma, Pancreatic Ductal/*drug therapy/immunology/pathology/secondary ; Deoxycytidine/analogs & derivatives/therapeutic use ; Disease Models, Animal ; Disease-Free Survival ; Female ; Humans ; Immunologic Surveillance ; Macrophage Activation ; Macrophages/immunology ; Male ; Mice ; Middle Aged ; Pancreatic Neoplasms/*drug therapy/immunology/pathology ; T-Lymphocytes/immunology ; Tumor Microenvironment ; Young Adult
    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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    Renin and angiotensin: the complete system within the neuroblastoma x glioma cell (1981)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1981-11-20
    Description: Cells of the homogeneous hybrid line neuroblastoma x glioma (NG108-15) have many neuronal properties. Immunocytochemical tests show that they contain both immunoreactive renin and angiotensin; direct radioimmunoassays show that they are positive for renin, angiotensin I, and angiotensin II; enzymatic assays show that they contain angiotensinogen and converting enzyme as well. The renin appears to be present in an enzymatically inactive form that can be activated by trypsin and then blocked by antiserum to purified mouse submaxillary renin. Renin concentration and activity are increased by enhancing cellular differentiation with dibutyryl cyclic adenosine monophosphate or by serum withdrawal. These findings demonstrate a complete renin-angiotensin system within these neuron-like cells, and suggest that activation of intracellular renin could generate angiotensin II.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fishman, M C -- Zimmerman, E A -- Slater, E E -- HL-21247/HL/NHLBI NIH HHS/ -- HL-24105/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1981 Nov 20;214(4523):921-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6272392" target="_blank"〉PubMed〈/a〉
    Keywords: Angiotensin I/*analysis ; Angiotensin II/*analysis ; Angiotensins/*analysis ; Animals ; Cell Line ; Cricetinae ; Glioma/*metabolism ; Hybrid Cells/*metabolism ; Mice ; Neuroblastoma/*metabolism ; Peptidyl-Dipeptidase A/metabolism ; Radioimmunoassay ; Rats ; Renin/*metabolism
    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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    Infection of the basal ganglia by a murine coronavirus (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-08-30
    Description: The coronavirus, mouse hepatitis virus strain A59 (MHV-A59), causes mild encephalitis and chronic demyelination. Immunohistochemical techniques showed that MHV-A59-infected C57BL/6 mice contained dense deposits of viral antigen in the subthalamic nucleus and substantia nigra, with fewer signs of infection in other regions of the brain. The animals showed extra- and intracellular vacuolation, neuronal loss, and gliosis in the subthalamic-nigral region. Such localization is unprecedented among known viral encephalitides of humans and other species. This infection by a member of a viral class capable of causing both encephalitis and persistent infection in several species may be related to postencephalitic parkinsonism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fishman, P S -- Gass, J S -- Swoveland, P T -- Lavi, E -- Highkin, M K -- Weiss, S R -- New York, N.Y. -- Science. 1985 Aug 30;229(4716):877-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2992088" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Viral/analysis ; Basal Ganglia/*microbiology ; Brain/microbiology/pathology ; Coronaviridae Infections/*microbiology ; Demyelinating Diseases/microbiology ; Diencephalon/*microbiology ; Encephalitis/*microbiology ; Endoplasmic Reticulum/microbiology ; Gliosis/microbiology ; Golgi Apparatus/microbiology ; Mice ; Mice, Inbred C57BL ; *Murine hepatitis virus/immunology ; Neurons/microbiology/ultrastructure ; Substantia Nigra/*microbiology ; Vacuoles/ultrastructure
    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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  • 8
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    BATSE as an all-sky monitor for INTEGRAL (1997)
    In:  CASI
    Details
    Publication Date: 2004-12-03
    Description: It is proposed to use data from the burst and transient source experiment (BATSE) onboard the Compton Gamma Ray Observatory (CGRO) as a sensitive, rapid, all sky monitor for the International Gamma Ray Astrophysics Laboratory (INTEGRAL). The all sky earth occultation monitoring and imaging capabilities of BATSE will complement and extend the Galactic plane scans of INTEGRAL as well as provide high latitude Galactic coverage which is inaccessible to INTEGRAL. Examples of transients previously observed by BATSE, its sensitivity, and the response time for these observations are described. Examples of the variability of several of the brighter sources observed by BATSE are shown.
    Keywords: Astronomy
    Type: Proceedings of 2nd INTEGRAL Workshop 'The Transparent Universe'; 537-540; ESA-SP-382
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  • 9
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    Tools for Coordinated Planning Between Observatories (2001)
    In:  CASI
    Details
    Publication Date: 2013-08-29
    Description: With the realization of NASA's era of great observatories, there are now more than three space-based telescopes operating in different wavebands. This situation provides astronomers with a unique opportunity to simultaneously observe with multiple observatories. Yet scheduling multiple observatories simultaneously is highly inefficient when compared to observations using only one single observatory. Thus, programs using multiple observatories are limited not due to scientific restrictions, but due to operational inefficiencies. At present, multi-observatory programs are conducted by submitting observing proposals separately to each concerned observatory. To assure that the proposed observations can be scheduled, each observatory's staff has to check that the observations are valid and meet all the constraints for their own observatory; in addition, they have to verify that the observations satisfy the constraints of the other observatories. Thus, coordinated observations require painstaking manual collaboration among the observatory staff at each observatory. Due to the lack of automated tools for coordinated observations, this process is time consuming, error-prone, and the outcome of the requests is not certain until the very end. To increase observatory operations efficiency, such manpower intensive processes need to undergo re-engineering. To overcome this critical deficiency, Goddard Space Flight Center's Advanced Architectures and Automation Branch is developing a prototype effort called the Visual Observation Layout Tool (VOLT). The main objective of the VOLT project is to provide visual tools to help automate the planning of coordinated observations by multiple astronomical observatories, as well as to increase the scheduling probability of all observations.
    Keywords: Astronomy
    Type: ADASS Conference; Boston, MA; United States
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  • 10
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    Correlations between x-ray outbursts and relativistic ejections in the x-ray transient GRO J1655-40 (1995)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The detection of x-ray and radio emission from the recently discovered transient source X-ray Nova Scorpii 1994 (GRO J1655 - 40), is reported.
    Keywords: Astronomy
    Type: NASA-TM-111279 , NAS 1.15:111279
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