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  • 1
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    New mechanics insights into spicule architecture [Engineering] (2015)
    National Academy of Sciences
    Details
    Publication Date: 2015-04-22
    Description: To adapt to a wide range of physically demanding environmental conditions, biological systems have evolved a diverse variety of robust skeletal architectures. One such example, Euplectella aspergillum, is a sediment-dwelling marine sponge that is anchored into the sea floor by a flexible holdfast apparatus consisting of thousands of anchor spicules...
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 2
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    Reference Genes for Expression Studies in Hypoxia and Hyperglycemia Models in Human Umbilical Vein Endothelial Cells (2014)
    Genetics Society of America (GSA)
    Details
    Publication Date: 2014-11-15
    Description: Human umbilical vein endothelial cell (HUVEC)-based gene expression studies performed under hypoxia and/or hyperglycemia show huge potential for modeling endothelial cell response in cardiovascular disease and diabetes. However, such studies require reference genes that are stable across the whole range of experimental conditions. These reference genes have not been comprehensively defined to date. We applied human genome-wide microarrays and quantitative real-time PCR (qRT-PCR) on RNA obtained from primary HUVEC cultures that were incubated for 24 hr either in euglycemic or in hyperglycemic conditions and then subjected to short-term CoCl 2 -induced hypoxia for 1, 3, or 12 hr. Using whole-transcript arrays, we selected 10 commonly used reference genes with no significant expression variation across eight different conditions. These genes were ranked using NormFinder software according to their stability values. Consequently, five genes were selected for validation by qRT-PCR. These were ribosomal protein large P0 ( RPLP0 ), transferrin receptor ( TFRC ), glyceraldehyde-3-phosphate dehydrogenase ( GAPDH ), β-glucuronidase ( GUSB ), and β-actin ( ACTB ). All five genes displayed stable expression under hyperglycemia. However, only RPLP0 and TFRC genes were stable under hypoxia up to 12 hr. Under hyperglycemia combined with hypoxia up to 12 hr, the expression of RPLP0 , TFRC , GUSB , and ACTB genes remained unchanged. Our findings strongly confirm that RPLP0 and TFRC are the most suitable reference genes for HUVEC gene expression experiments subjected to hypoxia and/or hyperglycemia for the given experimental conditions. We provide further evidence that even commonly known references genes require experimental validation for all conditions involved.
    Electronic ISSN: 2160-1836
    Topics: Biology
    Published by Genetics Society of America (GSA)
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  • 3
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    Genetics. DNA patenting and licensing (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-08-24
    Description: 〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2220017/" 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/PMC2220017/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Henry, Michelle R -- Cho, Mildred K -- Weaver, Meredith A -- Merz, Jon F -- R01 HG002034/HG/NHGRI NIH HHS/ -- R01 HG002034-01A1/HG/NHGRI NIH HHS/ -- R01 HG002034-01A1S1/HG/NHGRI NIH HHS/ -- R01 HG002034-01A1S2/HG/NHGRI NIH HHS/ -- R01 HG002034-02/HG/NHGRI NIH HHS/ -- R01 HG002034-03/HG/NHGRI NIH HHS/ -- R01HG02034/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2002 Aug 23;297(5585):1279.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Bioethics, University of Pennsylvania, Philadelphia, PA, 19104-3308, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12193770" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes/legislation & jurisprudence ; Commerce/*legislation & jurisprudence ; *Dna ; Financing, Government ; *Genetics ; Interviews as Topic ; National Institutes of Health (U.S.) ; *Patents as Topic ; Research Support as Topic ; *Technology Transfer ; United States ; Universities/*legislation & jurisprudence
    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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