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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.6b00398
|2 doi
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|a pubmed24n0862.xml
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|a (NLM)27007061
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|a DE-627
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|a eng
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|a Sanada, Yusuke
|e verfasserin
|4 aut
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|a Polypod-Shaped DNAs
|b Small-Angle X-ray Scattering and Immunostimulatory Activity
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|c 2016
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 23.06.2017
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|a Date Revised 23.06.2017
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a We explored in detail the relationship between the structure in aqueous solution and immunostimulatory activity of polypod-shaped DNAs, called polypodnas. The polypodnas were constructed using 3-6 oligodeoxynucleotides (ODNs) to obtain tri-, tetra-, penta-, and hexapodna, each of which had 3, 4, 5, and 6 arms made of double-stranded DNA, respectively. A highly potent immunostimulatory CpG sequence was included into each of the polypodnas. Synchrotron X-ray scattering analysis showed that the double-stranded DNA arms of all of the polypodnas adopted a B-form DNA conformation. The analysis also suggested that some nucleotides in the central parts of pentapodna and hexapodna did not form base pairs, whereas those of tripodna and tetrapodna all formed base pairs. This difference would occur because of an increase in steric hindrance and electrical repulsion with increasing number of arms. The pentapodna and hexapodna induced a large amount of tumor necrosis factor α-release from macrophage-like cells compared with the tripodna and tetrapodna, suggesting that the partly loosened DNA in polypodna with many arms is advantageous for exposing the immunostimulatory sequences of the polypodna
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|a Journal Article
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|a Immunologic Factors
|2 NLM
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|a Oligodeoxyribonucleotides
|2 NLM
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|a Tlr9 protein, mouse
|2 NLM
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|a Toll-Like Receptor 9
|2 NLM
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|a Tumor Necrosis Factor-alpha
|2 NLM
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|a DNA
|2 NLM
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|a 9007-49-2
|2 NLM
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| 700 |
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|a Shiomi, Tomoki
|e verfasserin
|4 aut
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| 700 |
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|a Okobira, Tadashi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tan, Mengmeng
|e verfasserin
|4 aut
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| 700 |
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|a Nishikawa, Makiya
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Akiba, Isamu
|e verfasserin
|4 aut
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| 700 |
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|a Takakura, Yoshinobu
|e verfasserin
|4 aut
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| 700 |
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|a Sakurai, Kazuo
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 32(2016), 15 vom: 19. Apr., Seite 3760-5
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:32
|g year:2016
|g number:15
|g day:19
|g month:04
|g pages:3760-5
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|u http://dx.doi.org/10.1021/acs.langmuir.6b00398
|3 Volltext
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