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  • 1
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    Repair of UVB-Damaged Skin by the antioxidant sulphated flavone glycoside Thalassiolin B Isolated from the marine plant Thalassia testudinum Banks ex König (2011)
    Details
    Publication Date: 2021-05-19
    Description: Daily topical application of the aqueous ethanolic extract of the marine sea grass, Thalassia testudinum, on mice skin exposed to UVB radiation resulted in a dose dependent recovery of the skin macroscopic alterations over a 6-day period. Maximal effect (90%) occurred at a dose of 240 μg/cm2, with no additional effects at higher doses. Bioassay-guided fractionation of the plant extract resulted in the isolation of thalassiolin B (1). Topical application of 1 (240 μg/cm2) markedly reduces skin UVB-induced damage. In addition, thalassiolin B scavenged 2,2-diphenyl-2-picrylhydrazyl radical with an EC50=100 μg/ml. These results suggest that thalassiolin B is responsible for the skin regenerating effects of the crude extract of T. testudinum
    Description: Published
    Description: Flavonoids, Thalassiolin B, DPPH scavenged, antioxidant activity, Skin regenerating activity, Thalassia testudinum
    Keywords: Chemistry ; Pharmacology ; Chemistry ; Pharmacology
    Repository Name: AquaDocs
    Type: Journal Contribution
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  • 2
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    Bromopyrrole alkaloids from the Caribbean sponge Agelas cerebrum (2011)
    Sociedade Brasileira de Química
    Details
    Publication Date: 2021-05-19
    Description: Bioguided fractionation of Agelas cerebrum crude extract resulted in isolation of four bromopyrrole and four bromopyrrole aminoimidazole alkaloids, identified as 5-bromopyrrole-2-carboxylic acid (1), 4-bromopyrrole-2-carboxylic acid (2), 3,4-bromopyrrole-2-carboxylic acid (3), 4,5-bromopyrrole-2-carboxylic acid (4), oroidin (5), bromoageliferin (6), dibromoageliferin (7) and dibromosceptrin (8) on the basis of spectroscopic data analyses (UV, IR, HRMS, 1D and 2D NMR) and comparison with literature data. This is the first report of compounds 2 and 3 in a marine sponge belonging to the Agelas genus and the first evidence of the presence of 1 from a natural source.
    Description: Published
    Description: Agelas cerebrum, bromopyrrole alkaloids, antitumoral, antiprotozoal activity
    Keywords: Chemistry ; Alkaloids ; Sponges ; Alkaloids ; Sponges ; Chemistry
    Repository Name: AquaDocs
    Type: Journal Contribution
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  • 3
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    Genetic future for Florida panthers (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-01-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hedrick, Phil -- New York, N.Y. -- Science. 2010 Dec 24;330(6012):1744; author reply 1744. doi: 10.1126/science.330.6012.1744-a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21205652" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Florida ; Inbreeding ; Male ; Population Density ; Puma/*genetics/physiology ; Reproduction ; Texas
    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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  • 4
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    Conservation. Boosting CITES (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-01-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Phelps, Jacob -- Webb, Edward L -- Bickford, David -- Nijman, Vincent -- Sodhi, Navjot S -- New York, N.Y. -- Science. 2010 Dec 24;330(6012):1752-3. doi: 10.1126/science.1195558.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences, National University of Singapore, Singapore, 117543, Singapore. jacob.phelps@gmail.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21205655" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Animals, Wild ; *Commerce ; *Conservation of Natural Resources ; Data Collection ; *Endangered Species ; *International Cooperation ; Peer Review ; *Plants
    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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  • 5
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    Paleontology. Altering the past: China's faked fossils problem (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-01-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2010 Dec 24;330(6012):1740-1. doi: 10.1126/science.330.6012.1740.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21205648" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; China ; *Fossils ; *Museums ; *Paleontology/education/standards
    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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  • 6
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    Cancer. Germ cell genes and cancer (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-01-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wu, Xiaoyun -- Ruvkun, Gary -- New York, N.Y. -- Science. 2010 Dec 24;330(6012):1761-2. doi: 10.1126/science.1200772.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Massachusetts General Hospital, Boston, MA 02114, USA. wux@molbio.mgh.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21205660" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/growth & development/metabolism ; Brain Neoplasms/*genetics/pathology ; Caenorhabditis elegans/genetics ; *Cell Transformation, Neoplastic ; DEAD-box RNA Helicases/genetics/metabolism ; Drosophila Proteins/genetics/metabolism ; Drosophila melanogaster/*genetics ; Gene Expression Profiling ; *Gene Expression Regulation, Neoplastic ; Genes, Helminth ; *Genes, Insect ; Germ Cells/*physiology ; Humans ; RNA, Small Interfering/metabolism ; RNA, Small Untranslated/genetics/metabolism ; RNA-Binding Proteins/genetics/metabolism
    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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  • 7
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    Has the microbiota played a critical role in the evolution of the adaptive immune system? (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-01-06
    Description: Although microbes have been classically viewed as pathogens, it is now well established that the majority of host-bacterial interactions are symbiotic. During development and into adulthood, gut bacteria shape the tissues, cells, and molecular profile of our gastrointestinal immune system. This partnership, forged over many millennia of coevolution, is based on a molecular exchange involving bacterial signals that are recognized by host receptors to mediate beneficial outcomes for both microbes and humans. We explore how specific aspects of the adaptive immune system are influenced by intestinal commensal bacteria. Understanding the molecular mechanisms that mediate symbiosis between commensal bacteria and humans may redefine how we view the evolution of adaptive immunity and consequently how we approach the treatment of numerous immunologic disorders.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3159383/" 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/PMC3159383/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, Yun Kyung -- Mazmanian, Sarkis K -- AI088626/AI/NIAID NIH HHS/ -- DK078938/DK/NIDDK NIH HHS/ -- DK083633/DK/NIDDK NIH HHS/ -- R01 DK078938/DK/NIDDK NIH HHS/ -- R01 DK078938-01A2/DK/NIDDK NIH HHS/ -- R01 DK078938-02/DK/NIDDK NIH HHS/ -- R01 DK078938-03/DK/NIDDK NIH HHS/ -- R01 DK078938-04/DK/NIDDK NIH HHS/ -- R21 AI088626/AI/NIAID NIH HHS/ -- R21 AI088626-01/AI/NIAID NIH HHS/ -- R21 AI088626-02/AI/NIAID NIH HHS/ -- R21 DK083633/DK/NIDDK NIH HHS/ -- R21 DK083633-01A1/DK/NIDDK NIH HHS/ -- R21 DK083633-02/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2010 Dec 24;330(6012):1768-73. doi: 10.1126/science.1195568.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biology, California Institute of Technology, Pasadena, CA 91125, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21205662" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptive Immunity ; Animals ; Autoimmune Diseases/immunology ; Bacteria/immunology ; *Bacterial Physiological Phenomena ; *Biological Evolution ; Cell Differentiation ; Humans ; Immune Tolerance ; Immunity, Innate ; Immunity, Mucosal ; Intestinal Mucosa/immunology/microbiology ; Intestines/immunology/*microbiology ; Metagenome/immunology/*physiology ; Symbiosis ; T-Lymphocytes, Helper-Inducer/cytology/immunology ; T-Lymphocytes, Regulatory/cytology/immunology
    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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    Ectopic expression of germline genes drives malignant brain tumor growth in Drosophila (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-01-06
    Description: Model organisms such as the fruit fly Drosophila melanogaster can help to elucidate the molecular basis of complex diseases such as cancer. Mutations in the Drosophila gene lethal (3) malignant brain tumor cause malignant growth in the larval brain. Here we show that l(3)mbt tumors exhibited a soma-to-germline transformation through the ectopic expression of genes normally required for germline stemness, fitness, or longevity. Orthologs of some of these genes were also expressed in human somatic tumors. In addition, inactivation of any of the germline genes nanos, vasa, piwi, or aubergine suppressed l(3)mbt malignant growth. Our results demonstrate that germline traits are necessary for tumor growth in this Drosophila model and suggest that inactivation of germline genes might have tumor-suppressing effects in other species.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Janic, Ana -- Mendizabal, Leire -- Llamazares, Salud -- Rossell, David -- Gonzalez, Cayetano -- New York, N.Y. -- Science. 2010 Dec 24;330(6012):1824-7. doi: 10.1126/science.1195481.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cell Division Group, Institute for Research in Biomedicine (IRB-Barcelona), PCB, c/Baldiri Reixac 10-12, Barcelona, Spain.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21205669" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Argonaute Proteins ; Brain/growth & development/metabolism ; Brain Neoplasms/*genetics/pathology ; *Cell Transformation, Neoplastic ; DEAD-box RNA Helicases/genetics/metabolism ; DNA-Binding Proteins/genetics/metabolism ; Disease Models, Animal ; Drosophila Proteins/genetics/metabolism ; *Drosophila melanogaster/genetics/growth & development/metabolism ; Gene Expression Profiling ; *Gene Expression Regulation, Neoplastic ; *Genes, Insect ; Genes, Tumor Suppressor ; Germ Cells/*physiology ; Humans ; MicroRNAs/genetics/metabolism ; Models, Animal ; Neoplasm Transplantation ; Peptide Initiation Factors/genetics/metabolism ; RNA, Small Interfering/genetics/metabolism ; RNA-Binding Proteins/genetics/metabolism ; RNA-Induced Silencing Complex/genetics/metabolism ; Transplantation, Homologous ; Up-Regulation
    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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  • 9
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    Fight for Yasuni far from finished (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-01-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Swing, Kelly -- New York, N.Y. -- Science. 2011 Jan 7;331(6013):29. doi: 10.1126/science.331.6013.29-a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21212338" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Conservation of Natural Resources/*economics ; Ecuador ; Petroleum ; *Trees
    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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  • 10
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    Fatty acids identified in the Burmese python promote beneficial cardiac growth (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-10-29
    Description: Burmese pythons display a marked increase in heart mass after a large meal. We investigated the molecular mechanisms of this physiological heart growth with the goal of applying this knowledge to the mammalian heart. We found that heart growth in pythons is characterized by myocyte hypertrophy in the absence of cell proliferation and by activation of physiological signal transduction pathways. Despite high levels of circulating lipids, the postprandial python heart does not accumulate triglycerides or fatty acids. Instead, there is robust activation of pathways of fatty acid transport and oxidation combined with increased expression and activity of superoxide dismutase, a cardioprotective enzyme. We also identified a combination of fatty acids in python plasma that promotes physiological heart growth when injected into either pythons or mice.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3383835/" 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/PMC3383835/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Riquelme, Cecilia A -- Magida, Jason A -- Harrison, Brooke C -- Wall, Christopher E -- Marr, Thomas G -- Secor, Stephen M -- Leinwand, Leslie A -- 5K01AR055676/AR/NIAMS NIH HHS/ -- HL050560/HL/NHLBI NIH HHS/ -- K01 AR055676/AR/NIAMS NIH HHS/ -- New York, N.Y. -- Science. 2011 Oct 28;334(6055):528-31. doi: 10.1126/science.1210558.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular, Cellular, and Developmental Biology, University of Colorado, Boulder, CO 80309, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22034436" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn ; Biological Transport ; Boidae/anatomy & histology/genetics/*physiology ; Cardiomegaly ; Cell Size ; Fasting ; Fatty Acids/blood/*metabolism ; Fatty Acids, Monounsaturated/blood/pharmacology ; Fatty Acids, Nonesterified/blood ; Female ; Gene Expression Regulation ; Heart/anatomy & histology/drug effects/*growth & development ; Male ; Myocardium/metabolism/pathology ; Myocytes, Cardiac/cytology ; Myristic Acids/blood/pharmacology ; Oxidation-Reduction ; Palmitic Acid/blood/pharmacology ; Postprandial Period ; Protein Biosynthesis ; Superoxide Dismutase/metabolism ; Triglycerides/blood
    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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