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  • Chemistry  (101)
  • Humans  (47)
  • Inorganic Chemistry  (26)
  • Polymer and Materials Science  (18)
  • Amino Acid Sequence  (17)
  • Female  (11)
  • 1
    Publication Date: 2010-12-15
    Description: Studies in embryonic development have guided successful efforts to direct the differentiation of human embryonic and induced pluripotent stem cells (PSCs) into specific organ cell types in vitro. For example, human PSCs have been differentiated into monolayer cultures of liver hepatocytes and pancreatic endocrine cells that have therapeutic efficacy in animal models of liver disease and diabetes, respectively. However, the generation of complex three-dimensional organ tissues in vitro remains a major challenge for translational studies. Here we establish a robust and efficient process to direct the differentiation of human PSCs into intestinal tissue in vitro using a temporal series of growth factor manipulations to mimic embryonic intestinal development. This involved activin-induced definitive endoderm formation, FGF/Wnt-induced posterior endoderm pattering, hindgut specification and morphogenesis, and a pro-intestinal culture system to promote intestinal growth, morphogenesis and cytodifferentiation. The resulting three-dimensional intestinal 'organoids' consisted of a polarized, columnar epithelium that was patterned into villus-like structures and crypt-like proliferative zones that expressed intestinal stem cell markers. The epithelium contained functional enterocytes, as well as goblet, Paneth and enteroendocrine cells. Using this culture system as a model to study human intestinal development, we identified that the combined activity of WNT3A and FGF4 is required for hindgut specification whereas FGF4 alone is sufficient to promote hindgut morphogenesis. Our data indicate that human intestinal stem cells form de novo during development. We also determined that NEUROG3, a pro-endocrine transcription factor that is mutated in enteric anendocrinosis, is both necessary and sufficient for human enteroendocrine cell development in vitro. PSC-derived human intestinal tissue should allow for unprecedented studies of human intestinal development and disease.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3033971/" 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/PMC3033971/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Spence, Jason R -- Mayhew, Christopher N -- Rankin, Scott A -- Kuhar, Matthew F -- Vallance, Jefferson E -- Tolle, Kathryn -- Hoskins, Elizabeth E -- Kalinichenko, Vladimir V -- Wells, Susanne I -- Zorn, Aaron M -- Shroyer, Noah F -- Wells, James M -- F32 DK083202/DK/NIDDK NIH HHS/ -- F32 DK083202-01/DK/NIDDK NIH HHS/ -- F32 DK83202-01/DK/NIDDK NIH HHS/ -- K01 DK091415/DK/NIDDK NIH HHS/ -- P30 DK078392/DK/NIDDK NIH HHS/ -- R01 CA142826/CA/NCI NIH HHS/ -- R01 CA142826-02/CA/NCI NIH HHS/ -- R01 DK080823/DK/NIDDK NIH HHS/ -- R01 DK080823-01A1/DK/NIDDK NIH HHS/ -- R01 DK080823-01A1S1/DK/NIDDK NIH HHS/ -- R01 DK092456/DK/NIDDK NIH HHS/ -- R01 GM072915/GM/NIGMS NIH HHS/ -- R01 GM072915-01A2/GM/NIGMS NIH HHS/ -- R01DK080823A1/DK/NIDDK NIH HHS/ -- R01GM072915/GM/NIGMS NIH HHS/ -- R03 DK084167/DK/NIDDK NIH HHS/ -- R03 DK084167-02/DK/NIDDK NIH HHS/ -- T32 HD07463/HD/NICHD NIH HHS/ -- U54 RR025216/RR/NCRR NIH HHS/ -- UL1 TR000077/TR/NCATS NIH HHS/ -- England -- Nature. 2011 Feb 3;470(7332):105-9. doi: 10.1038/nature09691. Epub 2010 Dec 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, Ohio 45229-3039, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21151107" target="_blank"〉PubMed〈/a〉
    Keywords: Activins/pharmacology ; Basic Helix-Loop-Helix Transcription Factors/genetics/metabolism ; Body Patterning/drug effects ; Cell Culture Techniques ; Cell Differentiation/*drug effects ; Cells, Cultured ; Culture Media/chemistry/pharmacology ; Embryonic Stem Cells/*cytology/drug effects ; Endoderm/cytology/drug effects/embryology ; Fibroblast Growth Factor 4/pharmacology ; Humans ; Induced Pluripotent Stem Cells/*cytology/drug effects ; Intercellular Signaling Peptides and Proteins/*pharmacology ; Intestines/anatomy & histology/*cytology/drug effects/embryology ; Microvilli/drug effects ; Morphogenesis/drug effects ; Nerve Tissue Proteins/genetics/metabolism ; Organogenesis/drug effects ; Time Factors ; Wnt Proteins/pharmacology ; Wnt3 Protein ; Wnt3A Protein
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2021-06-26
    Description: A competitive enzyme-linked immunosorbent assay (cELISA) was developed by using a whole-cell antigen from a marine Brucella sp. isolated from a harbor seal (Phoca vitulina). The assay was designed to screen sera from multiple marine mammal species for the presence of antibodies against marine-origin Brucella. Based on comparisons with culture-confirmed cases, specificity and sensitivity for cetacean samples tested were 73% and 100%, respectively. For pinniped samples, specificity and sensitivity values were 77% and 67%, respectively. Hawaiian monk seal (Monachus schauinslandi; n = 28) and bottlenose dolphin (Tursiops truncatus; n = 48) serum samples were tested, and the results were compared with several other assays designed to detect Brucella abortus antibodies. The comparison testing revealed the marine-origin cELISA to be more sensitive than the B. abortus tests by the detection of additional positive serum samples. The newly developed cELISA is an effective serologic method for detection of the presence of antibodies against marine-origin Brucella sp. in marine mammals.
    Keywords: Chemistry ; Fisheries ; Management
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 856-862
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  • 3
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Ethology and Sociobiology 6 (1985), S. 183-187 
    ISSN: 0162-3095
    Keywords: Assortative mating ; Genetic similarity ; Heritability ; Humans ; Kin recognition
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Ethology and Sociobiology 8 (1987), S. 215-220 
    ISSN: 0162-3095
    Keywords: Humans ; Paternity confidence ; Relatedness
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 0006-3525
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: This study represents the first systematic attempt to characterize the possible sources of artifacts that can interfere with the measurement of circular intensity differential scattering (CIDS) as a function of the scattering angle. A theoretical analysis of the effect of imperfect incident circular polarizations in the measurement of baselines from nonchiral scatterers and in the signals from chiral samples is derived. From this analysis the requirements of the tolerance on the quality of the incident circular polarizations to unequivocally measure the CIDS effect are established. The protocol for alignment of the CIDS instrument and the characterization of the incident polarizations utilized in these studies are described in detail. CIDS measurements on suspensions of helical sperm cells are presented. The experimental results are modeled computationally with the use of the current CIDS theory. Good agreement between the data and the computations is obtained. The results clearly indicate the ability of CIDS to provide information on the long-range chiral organization of samples in solution.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 9 (1895), S. 304-311 
    ISSN: 0863-1778
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 1 (1892), S. 85-103 
    ISSN: 0863-1778
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 1 (1892), S. 442-455 
    ISSN: 0863-1778
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 2 (1892), S. 255-263 
    ISSN: 0863-1778
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 2 (1892), S. 301-303 
    ISSN: 0863-1778
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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