Antifibrinolytic role of a bee venom serine protease inhibitor that acts as a plasmin inhibitor.

Bee venom is a rich source of pharmacologically active substances. In this study, we identified a bumblebee (Bombus ignitus) venom Kunitz-type serine protease inhibitor (Bi-KTI) that acts as a plasmin inhibitor. Bi-KTI showed no detectable inhibitory effect on factor Xa, thrombin, or tissue plasmino...
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Autor*in:	Young Moo Choo [verfasserIn] Kwang Sik Lee [verfasserIn] Hyung Joo Yoon [verfasserIn] Yuling Qiu [verfasserIn] Hu Wan [verfasserIn] Mi Ri Sohn [verfasserIn] Hung Dae Sohn [verfasserIn] Byung Rae Jin [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2012

Übergeordnetes Werk:	In: PLoS ONE - Public Library of Science (PLoS), 2007, 7(2012), 2, p e32269
Übergeordnetes Werk:	volume:7 ; year:2012 ; number:2, p e32269

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1371/journal.pone.0032269

Katalog-ID:	DOAJ04647014X

Internformat


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Indexfelder

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publishDate	2012
allfields	10.1371/journal.pone.0032269 doi (DE-627)DOAJ04647014X (DE-599)DOAJe6784135c9574b80a194f3f2b41ee280 DE-627 ger DE-627 rakwb eng Young Moo Choo verfasserin aut Antifibrinolytic role of a bee venom serine protease inhibitor that acts as a plasmin inhibitor. 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Bee venom is a rich source of pharmacologically active substances. In this study, we identified a bumblebee (Bombus ignitus) venom Kunitz-type serine protease inhibitor (Bi-KTI) that acts as a plasmin inhibitor. Bi-KTI showed no detectable inhibitory effect on factor Xa, thrombin, or tissue plasminogen activator. In contrast, Bi-KTI strongly inhibited plasmin, indicating that it acts as an antifibrinolytic agent; however, this inhibitory ability was two-fold weaker than that of aprotinin. The fibrin(ogen)olytic activities of B. ignitus venom serine protease (Bi-VSP) and plasmin in the presence of Bi-KTI indicate that Bi-KTI targets plasmin more specifically than Bi-VSP. These findings demonstrate a novel mechanism by which bumblebee venom affects the hemostatic system through the antifibrinolytic activity of Bi-KTI and through Bi-VSP-mediated fibrin(ogen)olytic activities, raising interest in Bi-KTI and Bi-VSP as potential clinical agents. Medicine R Science Q Kwang Sik Lee verfasserin aut Hyung Joo Yoon verfasserin aut Yuling Qiu verfasserin aut Hu Wan verfasserin aut Mi Ri Sohn verfasserin aut Hung Dae Sohn verfasserin aut Byung Rae Jin verfasserin aut In PLoS ONE Public Library of Science (PLoS), 2007 7(2012), 2, p e32269 (DE-627)523574592 (DE-600)2267670-3 19326203 nnns volume:7 year:2012 number:2, p e32269 https://doi.org/10.1371/journal.pone.0032269 kostenfrei https://doaj.org/article/e6784135c9574b80a194f3f2b41ee280 kostenfrei http://europepmc.org/articles/PMC3281132?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 7 2012 2, p e32269
spelling	10.1371/journal.pone.0032269 doi (DE-627)DOAJ04647014X (DE-599)DOAJe6784135c9574b80a194f3f2b41ee280 DE-627 ger DE-627 rakwb eng Young Moo Choo verfasserin aut Antifibrinolytic role of a bee venom serine protease inhibitor that acts as a plasmin inhibitor. 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Bee venom is a rich source of pharmacologically active substances. In this study, we identified a bumblebee (Bombus ignitus) venom Kunitz-type serine protease inhibitor (Bi-KTI) that acts as a plasmin inhibitor. Bi-KTI showed no detectable inhibitory effect on factor Xa, thrombin, or tissue plasminogen activator. In contrast, Bi-KTI strongly inhibited plasmin, indicating that it acts as an antifibrinolytic agent; however, this inhibitory ability was two-fold weaker than that of aprotinin. The fibrin(ogen)olytic activities of B. ignitus venom serine protease (Bi-VSP) and plasmin in the presence of Bi-KTI indicate that Bi-KTI targets plasmin more specifically than Bi-VSP. These findings demonstrate a novel mechanism by which bumblebee venom affects the hemostatic system through the antifibrinolytic activity of Bi-KTI and through Bi-VSP-mediated fibrin(ogen)olytic activities, raising interest in Bi-KTI and Bi-VSP as potential clinical agents. Medicine R Science Q Kwang Sik Lee verfasserin aut Hyung Joo Yoon verfasserin aut Yuling Qiu verfasserin aut Hu Wan verfasserin aut Mi Ri Sohn verfasserin aut Hung Dae Sohn verfasserin aut Byung Rae Jin verfasserin aut In PLoS ONE Public Library of Science (PLoS), 2007 7(2012), 2, p e32269 (DE-627)523574592 (DE-600)2267670-3 19326203 nnns volume:7 year:2012 number:2, p e32269 https://doi.org/10.1371/journal.pone.0032269 kostenfrei https://doaj.org/article/e6784135c9574b80a194f3f2b41ee280 kostenfrei http://europepmc.org/articles/PMC3281132?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 7 2012 2, p e32269
allfields_unstemmed	10.1371/journal.pone.0032269 doi (DE-627)DOAJ04647014X (DE-599)DOAJe6784135c9574b80a194f3f2b41ee280 DE-627 ger DE-627 rakwb eng Young Moo Choo verfasserin aut Antifibrinolytic role of a bee venom serine protease inhibitor that acts as a plasmin inhibitor. 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Bee venom is a rich source of pharmacologically active substances. In this study, we identified a bumblebee (Bombus ignitus) venom Kunitz-type serine protease inhibitor (Bi-KTI) that acts as a plasmin inhibitor. Bi-KTI showed no detectable inhibitory effect on factor Xa, thrombin, or tissue plasminogen activator. In contrast, Bi-KTI strongly inhibited plasmin, indicating that it acts as an antifibrinolytic agent; however, this inhibitory ability was two-fold weaker than that of aprotinin. The fibrin(ogen)olytic activities of B. ignitus venom serine protease (Bi-VSP) and plasmin in the presence of Bi-KTI indicate that Bi-KTI targets plasmin more specifically than Bi-VSP. These findings demonstrate a novel mechanism by which bumblebee venom affects the hemostatic system through the antifibrinolytic activity of Bi-KTI and through Bi-VSP-mediated fibrin(ogen)olytic activities, raising interest in Bi-KTI and Bi-VSP as potential clinical agents. Medicine R Science Q Kwang Sik Lee verfasserin aut Hyung Joo Yoon verfasserin aut Yuling Qiu verfasserin aut Hu Wan verfasserin aut Mi Ri Sohn verfasserin aut Hung Dae Sohn verfasserin aut Byung Rae Jin verfasserin aut In PLoS ONE Public Library of Science (PLoS), 2007 7(2012), 2, p e32269 (DE-627)523574592 (DE-600)2267670-3 19326203 nnns volume:7 year:2012 number:2, p e32269 https://doi.org/10.1371/journal.pone.0032269 kostenfrei https://doaj.org/article/e6784135c9574b80a194f3f2b41ee280 kostenfrei http://europepmc.org/articles/PMC3281132?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 7 2012 2, p e32269
allfieldsGer	10.1371/journal.pone.0032269 doi (DE-627)DOAJ04647014X (DE-599)DOAJe6784135c9574b80a194f3f2b41ee280 DE-627 ger DE-627 rakwb eng Young Moo Choo verfasserin aut Antifibrinolytic role of a bee venom serine protease inhibitor that acts as a plasmin inhibitor. 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Bee venom is a rich source of pharmacologically active substances. In this study, we identified a bumblebee (Bombus ignitus) venom Kunitz-type serine protease inhibitor (Bi-KTI) that acts as a plasmin inhibitor. Bi-KTI showed no detectable inhibitory effect on factor Xa, thrombin, or tissue plasminogen activator. In contrast, Bi-KTI strongly inhibited plasmin, indicating that it acts as an antifibrinolytic agent; however, this inhibitory ability was two-fold weaker than that of aprotinin. The fibrin(ogen)olytic activities of B. ignitus venom serine protease (Bi-VSP) and plasmin in the presence of Bi-KTI indicate that Bi-KTI targets plasmin more specifically than Bi-VSP. These findings demonstrate a novel mechanism by which bumblebee venom affects the hemostatic system through the antifibrinolytic activity of Bi-KTI and through Bi-VSP-mediated fibrin(ogen)olytic activities, raising interest in Bi-KTI and Bi-VSP as potential clinical agents. Medicine R Science Q Kwang Sik Lee verfasserin aut Hyung Joo Yoon verfasserin aut Yuling Qiu verfasserin aut Hu Wan verfasserin aut Mi Ri Sohn verfasserin aut Hung Dae Sohn verfasserin aut Byung Rae Jin verfasserin aut In PLoS ONE Public Library of Science (PLoS), 2007 7(2012), 2, p e32269 (DE-627)523574592 (DE-600)2267670-3 19326203 nnns volume:7 year:2012 number:2, p e32269 https://doi.org/10.1371/journal.pone.0032269 kostenfrei https://doaj.org/article/e6784135c9574b80a194f3f2b41ee280 kostenfrei http://europepmc.org/articles/PMC3281132?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 7 2012 2, p e32269
allfieldsSound	10.1371/journal.pone.0032269 doi (DE-627)DOAJ04647014X (DE-599)DOAJe6784135c9574b80a194f3f2b41ee280 DE-627 ger DE-627 rakwb eng Young Moo Choo verfasserin aut Antifibrinolytic role of a bee venom serine protease inhibitor that acts as a plasmin inhibitor. 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Bee venom is a rich source of pharmacologically active substances. In this study, we identified a bumblebee (Bombus ignitus) venom Kunitz-type serine protease inhibitor (Bi-KTI) that acts as a plasmin inhibitor. Bi-KTI showed no detectable inhibitory effect on factor Xa, thrombin, or tissue plasminogen activator. In contrast, Bi-KTI strongly inhibited plasmin, indicating that it acts as an antifibrinolytic agent; however, this inhibitory ability was two-fold weaker than that of aprotinin. The fibrin(ogen)olytic activities of B. ignitus venom serine protease (Bi-VSP) and plasmin in the presence of Bi-KTI indicate that Bi-KTI targets plasmin more specifically than Bi-VSP. These findings demonstrate a novel mechanism by which bumblebee venom affects the hemostatic system through the antifibrinolytic activity of Bi-KTI and through Bi-VSP-mediated fibrin(ogen)olytic activities, raising interest in Bi-KTI and Bi-VSP as potential clinical agents. Medicine R Science Q Kwang Sik Lee verfasserin aut Hyung Joo Yoon verfasserin aut Yuling Qiu verfasserin aut Hu Wan verfasserin aut Mi Ri Sohn verfasserin aut Hung Dae Sohn verfasserin aut Byung Rae Jin verfasserin aut In PLoS ONE Public Library of Science (PLoS), 2007 7(2012), 2, p e32269 (DE-627)523574592 (DE-600)2267670-3 19326203 nnns volume:7 year:2012 number:2, p e32269 https://doi.org/10.1371/journal.pone.0032269 kostenfrei https://doaj.org/article/e6784135c9574b80a194f3f2b41ee280 kostenfrei http://europepmc.org/articles/PMC3281132?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 7 2012 2, p e32269
language	English
source	In PLoS ONE 7(2012), 2, p e32269 volume:7 year:2012 number:2, p e32269
sourceStr	In PLoS ONE 7(2012), 2, p e32269 volume:7 year:2012 number:2, p e32269
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Medicine R Science Q
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container_title	PLoS ONE
authorswithroles_txt_mv	Young Moo Choo @@aut@@ Kwang Sik Lee @@aut@@ Hyung Joo Yoon @@aut@@ Yuling Qiu @@aut@@ Hu Wan @@aut@@ Mi Ri Sohn @@aut@@ Hung Dae Sohn @@aut@@ Byung Rae Jin @@aut@@
publishDateDaySort_date	2012-01-01T00:00:00Z
hierarchy_top_id	523574592
id	DOAJ04647014X
language_de	englisch
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author	Young Moo Choo
spellingShingle	Young Moo Choo misc Medicine misc R misc Science misc Q Antifibrinolytic role of a bee venom serine protease inhibitor that acts as a plasmin inhibitor.
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topic_title	Antifibrinolytic role of a bee venom serine protease inhibitor that acts as a plasmin inhibitor
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title	Antifibrinolytic role of a bee venom serine protease inhibitor that acts as a plasmin inhibitor.
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author_browse	Young Moo Choo Kwang Sik Lee Hyung Joo Yoon Yuling Qiu Hu Wan Mi Ri Sohn Hung Dae Sohn Byung Rae Jin
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title_sort	antifibrinolytic role of a bee venom serine protease inhibitor that acts as a plasmin inhibitor
title_auth	Antifibrinolytic role of a bee venom serine protease inhibitor that acts as a plasmin inhibitor.
abstract	Bee venom is a rich source of pharmacologically active substances. In this study, we identified a bumblebee (Bombus ignitus) venom Kunitz-type serine protease inhibitor (Bi-KTI) that acts as a plasmin inhibitor. Bi-KTI showed no detectable inhibitory effect on factor Xa, thrombin, or tissue plasminogen activator. In contrast, Bi-KTI strongly inhibited plasmin, indicating that it acts as an antifibrinolytic agent; however, this inhibitory ability was two-fold weaker than that of aprotinin. The fibrin(ogen)olytic activities of B. ignitus venom serine protease (Bi-VSP) and plasmin in the presence of Bi-KTI indicate that Bi-KTI targets plasmin more specifically than Bi-VSP. These findings demonstrate a novel mechanism by which bumblebee venom affects the hemostatic system through the antifibrinolytic activity of Bi-KTI and through Bi-VSP-mediated fibrin(ogen)olytic activities, raising interest in Bi-KTI and Bi-VSP as potential clinical agents.
abstractGer	Bee venom is a rich source of pharmacologically active substances. In this study, we identified a bumblebee (Bombus ignitus) venom Kunitz-type serine protease inhibitor (Bi-KTI) that acts as a plasmin inhibitor. Bi-KTI showed no detectable inhibitory effect on factor Xa, thrombin, or tissue plasminogen activator. In contrast, Bi-KTI strongly inhibited plasmin, indicating that it acts as an antifibrinolytic agent; however, this inhibitory ability was two-fold weaker than that of aprotinin. The fibrin(ogen)olytic activities of B. ignitus venom serine protease (Bi-VSP) and plasmin in the presence of Bi-KTI indicate that Bi-KTI targets plasmin more specifically than Bi-VSP. These findings demonstrate a novel mechanism by which bumblebee venom affects the hemostatic system through the antifibrinolytic activity of Bi-KTI and through Bi-VSP-mediated fibrin(ogen)olytic activities, raising interest in Bi-KTI and Bi-VSP as potential clinical agents.
abstract_unstemmed	Bee venom is a rich source of pharmacologically active substances. In this study, we identified a bumblebee (Bombus ignitus) venom Kunitz-type serine protease inhibitor (Bi-KTI) that acts as a plasmin inhibitor. Bi-KTI showed no detectable inhibitory effect on factor Xa, thrombin, or tissue plasminogen activator. In contrast, Bi-KTI strongly inhibited plasmin, indicating that it acts as an antifibrinolytic agent; however, this inhibitory ability was two-fold weaker than that of aprotinin. The fibrin(ogen)olytic activities of B. ignitus venom serine protease (Bi-VSP) and plasmin in the presence of Bi-KTI indicate that Bi-KTI targets plasmin more specifically than Bi-VSP. These findings demonstrate a novel mechanism by which bumblebee venom affects the hemostatic system through the antifibrinolytic activity of Bi-KTI and through Bi-VSP-mediated fibrin(ogen)olytic activities, raising interest in Bi-KTI and Bi-VSP as potential clinical agents.
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title_short	Antifibrinolytic role of a bee venom serine protease inhibitor that acts as a plasmin inhibitor.
url	https://doi.org/10.1371/journal.pone.0032269 https://doaj.org/article/e6784135c9574b80a194f3f2b41ee280 http://europepmc.org/articles/PMC3281132?pdf=render https://doaj.org/toc/1932-6203
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up_date	2024-07-03T20:51:11.347Z
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Antifibrinolytic role of a bee venom serine protease inhibitor that acts as a plasmin inhibitor.

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