Use of positron emission tomography for real-time imaging of biodistribution of green tea catechin.

The aim of this study was to achieve real-time imaging of the in vivo behavior of a green tea polyphenol, catechin, by positron emission tomography (PET). Positron-labeled 4″ -[(11)C]methyl-epigallocatechin gallate ([(11)C]Me-EGCG) was orally administered to rats, and its biodistribution was imaged...
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Autor*in:	Kosuke Shimizu [verfasserIn] Tomohiro Asakawa [verfasserIn] Norihiro Harada [verfasserIn] Dai Fukumoto [verfasserIn] Hideo Tsukada [verfasserIn] Tomohiro Asai [verfasserIn] Shizuo Yamada [verfasserIn] Toshiyuki Kan [verfasserIn] Naoto Oku [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2014

Übergeordnetes Werk:	In: PLoS ONE - Public Library of Science (PLoS), 2007, 9(2014), 2, p e85520
Übergeordnetes Werk:	volume:9 ; year:2014 ; number:2, p e85520

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1371/journal.pone.0085520

Katalog-ID:	DOAJ009793690

Internformat


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520			\|a The aim of this study was to achieve real-time imaging of the in vivo behavior of a green tea polyphenol, catechin, by positron emission tomography (PET). Positron-labeled 4″ -[(11)C]methyl-epigallocatechin gallate ([(11)C]Me-EGCG) was orally administered to rats, and its biodistribution was imaged for 60 min by using a small animal PET system. As the result, images of [(11)C]Me-EGCG passing through the stomach into the small intestines were observed; and a portion of it was quantitatively detected in the liver. On the other hand, intravenous injection of [(11)C]Me-EGCG resulted in a temporal accumulation of the labeled catechin in the liver, after which almost all of it was transferred to the small intestines within 60 min. In the present study, we succeeded in obtaining real-time imaging of the absorption and biodistribution of [(11)C]Me-EGCG with a PET system.
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author_variant	k s ks t a ta n h nh d f df h t ht t a ta s y sy t k tk n o no
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publishDate	2014
allfields	10.1371/journal.pone.0085520 doi (DE-627)DOAJ009793690 (DE-599)DOAJ2cfb9acdab194b78a86cfdbd3db268b4 DE-627 ger DE-627 rakwb eng Kosuke Shimizu verfasserin aut Use of positron emission tomography for real-time imaging of biodistribution of green tea catechin. 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The aim of this study was to achieve real-time imaging of the in vivo behavior of a green tea polyphenol, catechin, by positron emission tomography (PET). Positron-labeled 4″ -[(11)C]methyl-epigallocatechin gallate ([(11)C]Me-EGCG) was orally administered to rats, and its biodistribution was imaged for 60 min by using a small animal PET system. As the result, images of [(11)C]Me-EGCG passing through the stomach into the small intestines were observed; and a portion of it was quantitatively detected in the liver. On the other hand, intravenous injection of [(11)C]Me-EGCG resulted in a temporal accumulation of the labeled catechin in the liver, after which almost all of it was transferred to the small intestines within 60 min. In the present study, we succeeded in obtaining real-time imaging of the absorption and biodistribution of [(11)C]Me-EGCG with a PET system. Medicine R Science Q Tomohiro Asakawa verfasserin aut Norihiro Harada verfasserin aut Dai Fukumoto verfasserin aut Hideo Tsukada verfasserin aut Tomohiro Asai verfasserin aut Shizuo Yamada verfasserin aut Toshiyuki Kan verfasserin aut Naoto Oku verfasserin aut In PLoS ONE Public Library of Science (PLoS), 2007 9(2014), 2, p e85520 (DE-627)523574592 (DE-600)2267670-3 19326203 nnns volume:9 year:2014 number:2, p e85520 https://doi.org/10.1371/journal.pone.0085520 kostenfrei https://doaj.org/article/2cfb9acdab194b78a86cfdbd3db268b4 kostenfrei http://europepmc.org/articles/PMC3911897?pdf=render kostenfrei https://doaj.org/toc/1932-6203 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_34 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_235 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2014 2, p e85520
spelling	10.1371/journal.pone.0085520 doi (DE-627)DOAJ009793690 (DE-599)DOAJ2cfb9acdab194b78a86cfdbd3db268b4 DE-627 ger DE-627 rakwb eng Kosuke Shimizu verfasserin aut Use of positron emission tomography for real-time imaging of biodistribution of green tea catechin. 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The aim of this study was to achieve real-time imaging of the in vivo behavior of a green tea polyphenol, catechin, by positron emission tomography (PET). Positron-labeled 4″ -[(11)C]methyl-epigallocatechin gallate ([(11)C]Me-EGCG) was orally administered to rats, and its biodistribution was imaged for 60 min by using a small animal PET system. As the result, images of [(11)C]Me-EGCG passing through the stomach into the small intestines were observed; and a portion of it was quantitatively detected in the liver. On the other hand, intravenous injection of [(11)C]Me-EGCG resulted in a temporal accumulation of the labeled catechin in the liver, after which almost all of it was transferred to the small intestines within 60 min. In the present study, we succeeded in obtaining real-time imaging of the absorption and biodistribution of [(11)C]Me-EGCG with a PET system. Medicine R Science Q Tomohiro Asakawa verfasserin aut Norihiro Harada verfasserin aut Dai Fukumoto verfasserin aut Hideo Tsukada verfasserin aut Tomohiro Asai verfasserin aut Shizuo Yamada verfasserin aut Toshiyuki Kan verfasserin aut Naoto Oku verfasserin aut In PLoS ONE Public Library of Science (PLoS), 2007 9(2014), 2, p e85520 (DE-627)523574592 (DE-600)2267670-3 19326203 nnns volume:9 year:2014 number:2, p e85520 https://doi.org/10.1371/journal.pone.0085520 kostenfrei https://doaj.org/article/2cfb9acdab194b78a86cfdbd3db268b4 kostenfrei http://europepmc.org/articles/PMC3911897?pdf=render kostenfrei https://doaj.org/toc/1932-6203 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_34 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_235 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2014 2, p e85520
allfields_unstemmed	10.1371/journal.pone.0085520 doi (DE-627)DOAJ009793690 (DE-599)DOAJ2cfb9acdab194b78a86cfdbd3db268b4 DE-627 ger DE-627 rakwb eng Kosuke Shimizu verfasserin aut Use of positron emission tomography for real-time imaging of biodistribution of green tea catechin. 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The aim of this study was to achieve real-time imaging of the in vivo behavior of a green tea polyphenol, catechin, by positron emission tomography (PET). Positron-labeled 4″ -[(11)C]methyl-epigallocatechin gallate ([(11)C]Me-EGCG) was orally administered to rats, and its biodistribution was imaged for 60 min by using a small animal PET system. As the result, images of [(11)C]Me-EGCG passing through the stomach into the small intestines were observed; and a portion of it was quantitatively detected in the liver. On the other hand, intravenous injection of [(11)C]Me-EGCG resulted in a temporal accumulation of the labeled catechin in the liver, after which almost all of it was transferred to the small intestines within 60 min. In the present study, we succeeded in obtaining real-time imaging of the absorption and biodistribution of [(11)C]Me-EGCG with a PET system. Medicine R Science Q Tomohiro Asakawa verfasserin aut Norihiro Harada verfasserin aut Dai Fukumoto verfasserin aut Hideo Tsukada verfasserin aut Tomohiro Asai verfasserin aut Shizuo Yamada verfasserin aut Toshiyuki Kan verfasserin aut Naoto Oku verfasserin aut In PLoS ONE Public Library of Science (PLoS), 2007 9(2014), 2, p e85520 (DE-627)523574592 (DE-600)2267670-3 19326203 nnns volume:9 year:2014 number:2, p e85520 https://doi.org/10.1371/journal.pone.0085520 kostenfrei https://doaj.org/article/2cfb9acdab194b78a86cfdbd3db268b4 kostenfrei http://europepmc.org/articles/PMC3911897?pdf=render kostenfrei https://doaj.org/toc/1932-6203 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_34 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_235 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2014 2, p e85520
allfieldsGer	10.1371/journal.pone.0085520 doi (DE-627)DOAJ009793690 (DE-599)DOAJ2cfb9acdab194b78a86cfdbd3db268b4 DE-627 ger DE-627 rakwb eng Kosuke Shimizu verfasserin aut Use of positron emission tomography for real-time imaging of biodistribution of green tea catechin. 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The aim of this study was to achieve real-time imaging of the in vivo behavior of a green tea polyphenol, catechin, by positron emission tomography (PET). Positron-labeled 4″ -[(11)C]methyl-epigallocatechin gallate ([(11)C]Me-EGCG) was orally administered to rats, and its biodistribution was imaged for 60 min by using a small animal PET system. As the result, images of [(11)C]Me-EGCG passing through the stomach into the small intestines were observed; and a portion of it was quantitatively detected in the liver. On the other hand, intravenous injection of [(11)C]Me-EGCG resulted in a temporal accumulation of the labeled catechin in the liver, after which almost all of it was transferred to the small intestines within 60 min. In the present study, we succeeded in obtaining real-time imaging of the absorption and biodistribution of [(11)C]Me-EGCG with a PET system. Medicine R Science Q Tomohiro Asakawa verfasserin aut Norihiro Harada verfasserin aut Dai Fukumoto verfasserin aut Hideo Tsukada verfasserin aut Tomohiro Asai verfasserin aut Shizuo Yamada verfasserin aut Toshiyuki Kan verfasserin aut Naoto Oku verfasserin aut In PLoS ONE Public Library of Science (PLoS), 2007 9(2014), 2, p e85520 (DE-627)523574592 (DE-600)2267670-3 19326203 nnns volume:9 year:2014 number:2, p e85520 https://doi.org/10.1371/journal.pone.0085520 kostenfrei https://doaj.org/article/2cfb9acdab194b78a86cfdbd3db268b4 kostenfrei http://europepmc.org/articles/PMC3911897?pdf=render kostenfrei https://doaj.org/toc/1932-6203 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_34 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_235 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2014 2, p e85520
allfieldsSound	10.1371/journal.pone.0085520 doi (DE-627)DOAJ009793690 (DE-599)DOAJ2cfb9acdab194b78a86cfdbd3db268b4 DE-627 ger DE-627 rakwb eng Kosuke Shimizu verfasserin aut Use of positron emission tomography for real-time imaging of biodistribution of green tea catechin. 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The aim of this study was to achieve real-time imaging of the in vivo behavior of a green tea polyphenol, catechin, by positron emission tomography (PET). Positron-labeled 4″ -[(11)C]methyl-epigallocatechin gallate ([(11)C]Me-EGCG) was orally administered to rats, and its biodistribution was imaged for 60 min by using a small animal PET system. As the result, images of [(11)C]Me-EGCG passing through the stomach into the small intestines were observed; and a portion of it was quantitatively detected in the liver. On the other hand, intravenous injection of [(11)C]Me-EGCG resulted in a temporal accumulation of the labeled catechin in the liver, after which almost all of it was transferred to the small intestines within 60 min. In the present study, we succeeded in obtaining real-time imaging of the absorption and biodistribution of [(11)C]Me-EGCG with a PET system. Medicine R Science Q Tomohiro Asakawa verfasserin aut Norihiro Harada verfasserin aut Dai Fukumoto verfasserin aut Hideo Tsukada verfasserin aut Tomohiro Asai verfasserin aut Shizuo Yamada verfasserin aut Toshiyuki Kan verfasserin aut Naoto Oku verfasserin aut In PLoS ONE Public Library of Science (PLoS), 2007 9(2014), 2, p e85520 (DE-627)523574592 (DE-600)2267670-3 19326203 nnns volume:9 year:2014 number:2, p e85520 https://doi.org/10.1371/journal.pone.0085520 kostenfrei https://doaj.org/article/2cfb9acdab194b78a86cfdbd3db268b4 kostenfrei http://europepmc.org/articles/PMC3911897?pdf=render kostenfrei https://doaj.org/toc/1932-6203 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_34 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_235 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2014 2, p e85520
language	English
source	In PLoS ONE 9(2014), 2, p e85520 volume:9 year:2014 number:2, p e85520
sourceStr	In PLoS ONE 9(2014), 2, p e85520 volume:9 year:2014 number:2, p e85520
format_phy_str_mv	Article
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container_title	PLoS ONE
authorswithroles_txt_mv	Kosuke Shimizu @@aut@@ Tomohiro Asakawa @@aut@@ Norihiro Harada @@aut@@ Dai Fukumoto @@aut@@ Hideo Tsukada @@aut@@ Tomohiro Asai @@aut@@ Shizuo Yamada @@aut@@ Toshiyuki Kan @@aut@@ Naoto Oku @@aut@@
publishDateDaySort_date	2014-01-01T00:00:00Z
hierarchy_top_id	523574592
id	DOAJ009793690
language_de	englisch
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author	Kosuke Shimizu
spellingShingle	Kosuke Shimizu misc Medicine misc R misc Science misc Q Use of positron emission tomography for real-time imaging of biodistribution of green tea catechin.
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topic_title	Use of positron emission tomography for real-time imaging of biodistribution of green tea catechin
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title	Use of positron emission tomography for real-time imaging of biodistribution of green tea catechin.
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title_full	Use of positron emission tomography for real-time imaging of biodistribution of green tea catechin
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author_browse	Kosuke Shimizu Tomohiro Asakawa Norihiro Harada Dai Fukumoto Hideo Tsukada Tomohiro Asai Shizuo Yamada Toshiyuki Kan Naoto Oku
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author-letter	Kosuke Shimizu
doi_str_mv	10.1371/journal.pone.0085520
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title_sort	use of positron emission tomography for real-time imaging of biodistribution of green tea catechin
title_auth	Use of positron emission tomography for real-time imaging of biodistribution of green tea catechin.
abstract	The aim of this study was to achieve real-time imaging of the in vivo behavior of a green tea polyphenol, catechin, by positron emission tomography (PET). Positron-labeled 4″ -[(11)C]methyl-epigallocatechin gallate ([(11)C]Me-EGCG) was orally administered to rats, and its biodistribution was imaged for 60 min by using a small animal PET system. As the result, images of [(11)C]Me-EGCG passing through the stomach into the small intestines were observed; and a portion of it was quantitatively detected in the liver. On the other hand, intravenous injection of [(11)C]Me-EGCG resulted in a temporal accumulation of the labeled catechin in the liver, after which almost all of it was transferred to the small intestines within 60 min. In the present study, we succeeded in obtaining real-time imaging of the absorption and biodistribution of [(11)C]Me-EGCG with a PET system.
abstractGer	The aim of this study was to achieve real-time imaging of the in vivo behavior of a green tea polyphenol, catechin, by positron emission tomography (PET). Positron-labeled 4″ -[(11)C]methyl-epigallocatechin gallate ([(11)C]Me-EGCG) was orally administered to rats, and its biodistribution was imaged for 60 min by using a small animal PET system. As the result, images of [(11)C]Me-EGCG passing through the stomach into the small intestines were observed; and a portion of it was quantitatively detected in the liver. On the other hand, intravenous injection of [(11)C]Me-EGCG resulted in a temporal accumulation of the labeled catechin in the liver, after which almost all of it was transferred to the small intestines within 60 min. In the present study, we succeeded in obtaining real-time imaging of the absorption and biodistribution of [(11)C]Me-EGCG with a PET system.
abstract_unstemmed	The aim of this study was to achieve real-time imaging of the in vivo behavior of a green tea polyphenol, catechin, by positron emission tomography (PET). Positron-labeled 4″ -[(11)C]methyl-epigallocatechin gallate ([(11)C]Me-EGCG) was orally administered to rats, and its biodistribution was imaged for 60 min by using a small animal PET system. As the result, images of [(11)C]Me-EGCG passing through the stomach into the small intestines were observed; and a portion of it was quantitatively detected in the liver. On the other hand, intravenous injection of [(11)C]Me-EGCG resulted in a temporal accumulation of the labeled catechin in the liver, after which almost all of it was transferred to the small intestines within 60 min. In the present study, we succeeded in obtaining real-time imaging of the absorption and biodistribution of [(11)C]Me-EGCG with a PET system.
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title_short	Use of positron emission tomography for real-time imaging of biodistribution of green tea catechin.
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Use of positron emission tomography for real-time imaging of biodistribution of green tea catechin.

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