CD47 Blocking Antibody Accelerates Hematoma Clearance After Intracerebral Hemorrhage in Aged Rats

Abstract Both experimental studies and surgical clinical trials suggest that hematoma clearance is a therapeutic target in intracerebral hemorrhage (ICH). We have investigated effects of CD47, a “don’t eat me” signal expressed on erythrocytes, on hematoma resolution after ICH in young mice. This stu...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Tao, Chuanyuan [verfasserIn] Keep, Richard F. [verfasserIn] Xi, Guohua [verfasserIn] Hua, Ya [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Schlagwörter:	CD47 blocking antibody Cerebral hemorrhage Macrophage activation Aged rats

Übergeordnetes Werk:	Enthalten in: Translational stroke research - Berlin : Springer, 2010, 11(2019), 3 vom: 30. Okt., Seite 541-551
Übergeordnetes Werk:	volume:11 ; year:2019 ; number:3 ; day:30 ; month:10 ; pages:541-551

Links:	Volltext

DOI / URN:	10.1007/s12975-019-00745-4

Katalog-ID:	SPR039750833

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520			\|a Abstract Both experimental studies and surgical clinical trials suggest that hematoma clearance is a therapeutic target in intracerebral hemorrhage (ICH). We have investigated effects of CD47, a “don’t eat me” signal expressed on erythrocytes, on hematoma resolution after ICH in young mice. This study expands those findings by examining the effects on a CD47 blocking antibody in aged rats. First, male Fischer 344 rats (18 months old) received an intracaudate injection of 50 μL autologous whole blood or saline. Hematoma features of magnetic resonance imaging (MRI) and neurological deficits were evaluated within 3 days. Second, rats had an intracaudate co-injection of 50 μL autologous blood with either CD47 blocking antibody or IgG. MRI was used to quantify hematoma/iron volume, hemolysis, brain swelling, and atrophy at different time points, behavioral tests to assess neurological deficits, and immunohistochemistry to assess brain injury and neuroinflammation. The CD47 blocking antibody significantly promoted hematoma clearance, attenuated brain swelling, hemolysis, and neuronal loss and increased the number of phagocytic macrophages in and around hematoma 3 days after ICH. Moreover, CD47 blockade reduced neuronal loss, brain atrophy, and neurobehavioral deficits at day 28. These results indicate that a CD47 blocking antibody can accelerate hematoma clearance and alleviate short- and long-term brain injury after ICH in aged rats and that it might be a therapeutic strategy for ICH.
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author_variant	c t ct r f k rf rfk g x gx y h yh
matchkey_str	article:1868601X:2019----::d7lcignioyceeaehmtmcernefeitaee
hierarchy_sort_str	2019
publishDate	2019
allfields	10.1007/s12975-019-00745-4 doi (DE-627)SPR039750833 (SPR)s12975-019-00745-4-e DE-627 ger DE-627 rakwb eng 610 ASE Tao, Chuanyuan verfasserin aut CD47 Blocking Antibody Accelerates Hematoma Clearance After Intracerebral Hemorrhage in Aged Rats 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Both experimental studies and surgical clinical trials suggest that hematoma clearance is a therapeutic target in intracerebral hemorrhage (ICH). We have investigated effects of CD47, a “don’t eat me” signal expressed on erythrocytes, on hematoma resolution after ICH in young mice. This study expands those findings by examining the effects on a CD47 blocking antibody in aged rats. First, male Fischer 344 rats (18 months old) received an intracaudate injection of 50 μL autologous whole blood or saline. Hematoma features of magnetic resonance imaging (MRI) and neurological deficits were evaluated within 3 days. Second, rats had an intracaudate co-injection of 50 μL autologous blood with either CD47 blocking antibody or IgG. MRI was used to quantify hematoma/iron volume, hemolysis, brain swelling, and atrophy at different time points, behavioral tests to assess neurological deficits, and immunohistochemistry to assess brain injury and neuroinflammation. The CD47 blocking antibody significantly promoted hematoma clearance, attenuated brain swelling, hemolysis, and neuronal loss and increased the number of phagocytic macrophages in and around hematoma 3 days after ICH. Moreover, CD47 blockade reduced neuronal loss, brain atrophy, and neurobehavioral deficits at day 28. These results indicate that a CD47 blocking antibody can accelerate hematoma clearance and alleviate short- and long-term brain injury after ICH in aged rats and that it might be a therapeutic strategy for ICH. CD47 blocking antibody (dpeaa)DE-He213 Cerebral hemorrhage (dpeaa)DE-He213 Macrophage activation (dpeaa)DE-He213 Aged rats (dpeaa)DE-He213 Keep, Richard F. verfasserin aut Xi, Guohua verfasserin aut Hua, Ya verfasserin aut Enthalten in Translational stroke research Berlin : Springer, 2010 11(2019), 3 vom: 30. Okt., Seite 541-551 (DE-627)620147210 (DE-600)2541897-X 1868-601X nnns volume:11 year:2019 number:3 day:30 month:10 pages:541-551 https://dx.doi.org/10.1007/s12975-019-00745-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 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_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 11 2019 3 30 10 541-551
spelling	10.1007/s12975-019-00745-4 doi (DE-627)SPR039750833 (SPR)s12975-019-00745-4-e DE-627 ger DE-627 rakwb eng 610 ASE Tao, Chuanyuan verfasserin aut CD47 Blocking Antibody Accelerates Hematoma Clearance After Intracerebral Hemorrhage in Aged Rats 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Both experimental studies and surgical clinical trials suggest that hematoma clearance is a therapeutic target in intracerebral hemorrhage (ICH). We have investigated effects of CD47, a “don’t eat me” signal expressed on erythrocytes, on hematoma resolution after ICH in young mice. This study expands those findings by examining the effects on a CD47 blocking antibody in aged rats. First, male Fischer 344 rats (18 months old) received an intracaudate injection of 50 μL autologous whole blood or saline. Hematoma features of magnetic resonance imaging (MRI) and neurological deficits were evaluated within 3 days. Second, rats had an intracaudate co-injection of 50 μL autologous blood with either CD47 blocking antibody or IgG. MRI was used to quantify hematoma/iron volume, hemolysis, brain swelling, and atrophy at different time points, behavioral tests to assess neurological deficits, and immunohistochemistry to assess brain injury and neuroinflammation. The CD47 blocking antibody significantly promoted hematoma clearance, attenuated brain swelling, hemolysis, and neuronal loss and increased the number of phagocytic macrophages in and around hematoma 3 days after ICH. Moreover, CD47 blockade reduced neuronal loss, brain atrophy, and neurobehavioral deficits at day 28. These results indicate that a CD47 blocking antibody can accelerate hematoma clearance and alleviate short- and long-term brain injury after ICH in aged rats and that it might be a therapeutic strategy for ICH. CD47 blocking antibody (dpeaa)DE-He213 Cerebral hemorrhage (dpeaa)DE-He213 Macrophage activation (dpeaa)DE-He213 Aged rats (dpeaa)DE-He213 Keep, Richard F. verfasserin aut Xi, Guohua verfasserin aut Hua, Ya verfasserin aut Enthalten in Translational stroke research Berlin : Springer, 2010 11(2019), 3 vom: 30. Okt., Seite 541-551 (DE-627)620147210 (DE-600)2541897-X 1868-601X nnns volume:11 year:2019 number:3 day:30 month:10 pages:541-551 https://dx.doi.org/10.1007/s12975-019-00745-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 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_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 11 2019 3 30 10 541-551
allfields_unstemmed	10.1007/s12975-019-00745-4 doi (DE-627)SPR039750833 (SPR)s12975-019-00745-4-e DE-627 ger DE-627 rakwb eng 610 ASE Tao, Chuanyuan verfasserin aut CD47 Blocking Antibody Accelerates Hematoma Clearance After Intracerebral Hemorrhage in Aged Rats 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Both experimental studies and surgical clinical trials suggest that hematoma clearance is a therapeutic target in intracerebral hemorrhage (ICH). We have investigated effects of CD47, a “don’t eat me” signal expressed on erythrocytes, on hematoma resolution after ICH in young mice. This study expands those findings by examining the effects on a CD47 blocking antibody in aged rats. First, male Fischer 344 rats (18 months old) received an intracaudate injection of 50 μL autologous whole blood or saline. Hematoma features of magnetic resonance imaging (MRI) and neurological deficits were evaluated within 3 days. Second, rats had an intracaudate co-injection of 50 μL autologous blood with either CD47 blocking antibody or IgG. MRI was used to quantify hematoma/iron volume, hemolysis, brain swelling, and atrophy at different time points, behavioral tests to assess neurological deficits, and immunohistochemistry to assess brain injury and neuroinflammation. The CD47 blocking antibody significantly promoted hematoma clearance, attenuated brain swelling, hemolysis, and neuronal loss and increased the number of phagocytic macrophages in and around hematoma 3 days after ICH. Moreover, CD47 blockade reduced neuronal loss, brain atrophy, and neurobehavioral deficits at day 28. These results indicate that a CD47 blocking antibody can accelerate hematoma clearance and alleviate short- and long-term brain injury after ICH in aged rats and that it might be a therapeutic strategy for ICH. CD47 blocking antibody (dpeaa)DE-He213 Cerebral hemorrhage (dpeaa)DE-He213 Macrophage activation (dpeaa)DE-He213 Aged rats (dpeaa)DE-He213 Keep, Richard F. verfasserin aut Xi, Guohua verfasserin aut Hua, Ya verfasserin aut Enthalten in Translational stroke research Berlin : Springer, 2010 11(2019), 3 vom: 30. Okt., Seite 541-551 (DE-627)620147210 (DE-600)2541897-X 1868-601X nnns volume:11 year:2019 number:3 day:30 month:10 pages:541-551 https://dx.doi.org/10.1007/s12975-019-00745-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 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_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 11 2019 3 30 10 541-551
allfieldsGer	10.1007/s12975-019-00745-4 doi (DE-627)SPR039750833 (SPR)s12975-019-00745-4-e DE-627 ger DE-627 rakwb eng 610 ASE Tao, Chuanyuan verfasserin aut CD47 Blocking Antibody Accelerates Hematoma Clearance After Intracerebral Hemorrhage in Aged Rats 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Both experimental studies and surgical clinical trials suggest that hematoma clearance is a therapeutic target in intracerebral hemorrhage (ICH). We have investigated effects of CD47, a “don’t eat me” signal expressed on erythrocytes, on hematoma resolution after ICH in young mice. This study expands those findings by examining the effects on a CD47 blocking antibody in aged rats. First, male Fischer 344 rats (18 months old) received an intracaudate injection of 50 μL autologous whole blood or saline. Hematoma features of magnetic resonance imaging (MRI) and neurological deficits were evaluated within 3 days. Second, rats had an intracaudate co-injection of 50 μL autologous blood with either CD47 blocking antibody or IgG. MRI was used to quantify hematoma/iron volume, hemolysis, brain swelling, and atrophy at different time points, behavioral tests to assess neurological deficits, and immunohistochemistry to assess brain injury and neuroinflammation. The CD47 blocking antibody significantly promoted hematoma clearance, attenuated brain swelling, hemolysis, and neuronal loss and increased the number of phagocytic macrophages in and around hematoma 3 days after ICH. Moreover, CD47 blockade reduced neuronal loss, brain atrophy, and neurobehavioral deficits at day 28. These results indicate that a CD47 blocking antibody can accelerate hematoma clearance and alleviate short- and long-term brain injury after ICH in aged rats and that it might be a therapeutic strategy for ICH. CD47 blocking antibody (dpeaa)DE-He213 Cerebral hemorrhage (dpeaa)DE-He213 Macrophage activation (dpeaa)DE-He213 Aged rats (dpeaa)DE-He213 Keep, Richard F. verfasserin aut Xi, Guohua verfasserin aut Hua, Ya verfasserin aut Enthalten in Translational stroke research Berlin : Springer, 2010 11(2019), 3 vom: 30. Okt., Seite 541-551 (DE-627)620147210 (DE-600)2541897-X 1868-601X nnns volume:11 year:2019 number:3 day:30 month:10 pages:541-551 https://dx.doi.org/10.1007/s12975-019-00745-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 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_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 11 2019 3 30 10 541-551
allfieldsSound	10.1007/s12975-019-00745-4 doi (DE-627)SPR039750833 (SPR)s12975-019-00745-4-e DE-627 ger DE-627 rakwb eng 610 ASE Tao, Chuanyuan verfasserin aut CD47 Blocking Antibody Accelerates Hematoma Clearance After Intracerebral Hemorrhage in Aged Rats 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Both experimental studies and surgical clinical trials suggest that hematoma clearance is a therapeutic target in intracerebral hemorrhage (ICH). We have investigated effects of CD47, a “don’t eat me” signal expressed on erythrocytes, on hematoma resolution after ICH in young mice. This study expands those findings by examining the effects on a CD47 blocking antibody in aged rats. First, male Fischer 344 rats (18 months old) received an intracaudate injection of 50 μL autologous whole blood or saline. Hematoma features of magnetic resonance imaging (MRI) and neurological deficits were evaluated within 3 days. Second, rats had an intracaudate co-injection of 50 μL autologous blood with either CD47 blocking antibody or IgG. MRI was used to quantify hematoma/iron volume, hemolysis, brain swelling, and atrophy at different time points, behavioral tests to assess neurological deficits, and immunohistochemistry to assess brain injury and neuroinflammation. The CD47 blocking antibody significantly promoted hematoma clearance, attenuated brain swelling, hemolysis, and neuronal loss and increased the number of phagocytic macrophages in and around hematoma 3 days after ICH. Moreover, CD47 blockade reduced neuronal loss, brain atrophy, and neurobehavioral deficits at day 28. These results indicate that a CD47 blocking antibody can accelerate hematoma clearance and alleviate short- and long-term brain injury after ICH in aged rats and that it might be a therapeutic strategy for ICH. CD47 blocking antibody (dpeaa)DE-He213 Cerebral hemorrhage (dpeaa)DE-He213 Macrophage activation (dpeaa)DE-He213 Aged rats (dpeaa)DE-He213 Keep, Richard F. verfasserin aut Xi, Guohua verfasserin aut Hua, Ya verfasserin aut Enthalten in Translational stroke research Berlin : Springer, 2010 11(2019), 3 vom: 30. Okt., Seite 541-551 (DE-627)620147210 (DE-600)2541897-X 1868-601X nnns volume:11 year:2019 number:3 day:30 month:10 pages:541-551 https://dx.doi.org/10.1007/s12975-019-00745-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 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_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 11 2019 3 30 10 541-551
language	English
source	Enthalten in Translational stroke research 11(2019), 3 vom: 30. Okt., Seite 541-551 volume:11 year:2019 number:3 day:30 month:10 pages:541-551
sourceStr	Enthalten in Translational stroke research 11(2019), 3 vom: 30. Okt., Seite 541-551 volume:11 year:2019 number:3 day:30 month:10 pages:541-551
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	CD47 blocking antibody Cerebral hemorrhage Macrophage activation Aged rats
dewey-raw	610
isfreeaccess_bool	false
container_title	Translational stroke research
authorswithroles_txt_mv	Tao, Chuanyuan @@aut@@ Keep, Richard F. @@aut@@ Xi, Guohua @@aut@@ Hua, Ya @@aut@@
publishDateDaySort_date	2019-10-30T00:00:00Z
hierarchy_top_id	620147210
dewey-sort	3610
id	SPR039750833
language_de	englisch
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author	Tao, Chuanyuan
spellingShingle	Tao, Chuanyuan ddc 610 misc CD47 blocking antibody misc Cerebral hemorrhage misc Macrophage activation misc Aged rats CD47 Blocking Antibody Accelerates Hematoma Clearance After Intracerebral Hemorrhage in Aged Rats
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topic_title	610 ASE CD47 Blocking Antibody Accelerates Hematoma Clearance After Intracerebral Hemorrhage in Aged Rats CD47 blocking antibody (dpeaa)DE-He213 Cerebral hemorrhage (dpeaa)DE-He213 Macrophage activation (dpeaa)DE-He213 Aged rats (dpeaa)DE-He213
topic	ddc 610 misc CD47 blocking antibody misc Cerebral hemorrhage misc Macrophage activation misc Aged rats
topic_unstemmed	ddc 610 misc CD47 blocking antibody misc Cerebral hemorrhage misc Macrophage activation misc Aged rats
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title	CD47 Blocking Antibody Accelerates Hematoma Clearance After Intracerebral Hemorrhage in Aged Rats
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title_full	CD47 Blocking Antibody Accelerates Hematoma Clearance After Intracerebral Hemorrhage in Aged Rats
author_sort	Tao, Chuanyuan
journal	Translational stroke research
journalStr	Translational stroke research
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author_browse	Tao, Chuanyuan Keep, Richard F. Xi, Guohua Hua, Ya
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title_sort	cd47 blocking antibody accelerates hematoma clearance after intracerebral hemorrhage in aged rats
title_auth	CD47 Blocking Antibody Accelerates Hematoma Clearance After Intracerebral Hemorrhage in Aged Rats
abstract	Abstract Both experimental studies and surgical clinical trials suggest that hematoma clearance is a therapeutic target in intracerebral hemorrhage (ICH). We have investigated effects of CD47, a “don’t eat me” signal expressed on erythrocytes, on hematoma resolution after ICH in young mice. This study expands those findings by examining the effects on a CD47 blocking antibody in aged rats. First, male Fischer 344 rats (18 months old) received an intracaudate injection of 50 μL autologous whole blood or saline. Hematoma features of magnetic resonance imaging (MRI) and neurological deficits were evaluated within 3 days. Second, rats had an intracaudate co-injection of 50 μL autologous blood with either CD47 blocking antibody or IgG. MRI was used to quantify hematoma/iron volume, hemolysis, brain swelling, and atrophy at different time points, behavioral tests to assess neurological deficits, and immunohistochemistry to assess brain injury and neuroinflammation. The CD47 blocking antibody significantly promoted hematoma clearance, attenuated brain swelling, hemolysis, and neuronal loss and increased the number of phagocytic macrophages in and around hematoma 3 days after ICH. Moreover, CD47 blockade reduced neuronal loss, brain atrophy, and neurobehavioral deficits at day 28. These results indicate that a CD47 blocking antibody can accelerate hematoma clearance and alleviate short- and long-term brain injury after ICH in aged rats and that it might be a therapeutic strategy for ICH.
abstractGer	Abstract Both experimental studies and surgical clinical trials suggest that hematoma clearance is a therapeutic target in intracerebral hemorrhage (ICH). We have investigated effects of CD47, a “don’t eat me” signal expressed on erythrocytes, on hematoma resolution after ICH in young mice. This study expands those findings by examining the effects on a CD47 blocking antibody in aged rats. First, male Fischer 344 rats (18 months old) received an intracaudate injection of 50 μL autologous whole blood or saline. Hematoma features of magnetic resonance imaging (MRI) and neurological deficits were evaluated within 3 days. Second, rats had an intracaudate co-injection of 50 μL autologous blood with either CD47 blocking antibody or IgG. MRI was used to quantify hematoma/iron volume, hemolysis, brain swelling, and atrophy at different time points, behavioral tests to assess neurological deficits, and immunohistochemistry to assess brain injury and neuroinflammation. The CD47 blocking antibody significantly promoted hematoma clearance, attenuated brain swelling, hemolysis, and neuronal loss and increased the number of phagocytic macrophages in and around hematoma 3 days after ICH. Moreover, CD47 blockade reduced neuronal loss, brain atrophy, and neurobehavioral deficits at day 28. These results indicate that a CD47 blocking antibody can accelerate hematoma clearance and alleviate short- and long-term brain injury after ICH in aged rats and that it might be a therapeutic strategy for ICH.
abstract_unstemmed	Abstract Both experimental studies and surgical clinical trials suggest that hematoma clearance is a therapeutic target in intracerebral hemorrhage (ICH). We have investigated effects of CD47, a “don’t eat me” signal expressed on erythrocytes, on hematoma resolution after ICH in young mice. This study expands those findings by examining the effects on a CD47 blocking antibody in aged rats. First, male Fischer 344 rats (18 months old) received an intracaudate injection of 50 μL autologous whole blood or saline. Hematoma features of magnetic resonance imaging (MRI) and neurological deficits were evaluated within 3 days. Second, rats had an intracaudate co-injection of 50 μL autologous blood with either CD47 blocking antibody or IgG. MRI was used to quantify hematoma/iron volume, hemolysis, brain swelling, and atrophy at different time points, behavioral tests to assess neurological deficits, and immunohistochemistry to assess brain injury and neuroinflammation. The CD47 blocking antibody significantly promoted hematoma clearance, attenuated brain swelling, hemolysis, and neuronal loss and increased the number of phagocytic macrophages in and around hematoma 3 days after ICH. Moreover, CD47 blockade reduced neuronal loss, brain atrophy, and neurobehavioral deficits at day 28. These results indicate that a CD47 blocking antibody can accelerate hematoma clearance and alleviate short- and long-term brain injury after ICH in aged rats and that it might be a therapeutic strategy for ICH.
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title_short	CD47 Blocking Antibody Accelerates Hematoma Clearance After Intracerebral Hemorrhage in Aged Rats
url	https://dx.doi.org/10.1007/s12975-019-00745-4
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author2	Keep, Richard F. Xi, Guohua Hua, Ya
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up_date	2024-07-04T01:24:23.861Z
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We have investigated effects of CD47, a “don’t eat me” signal expressed on erythrocytes, on hematoma resolution after ICH in young mice. This study expands those findings by examining the effects on a CD47 blocking antibody in aged rats. First, male Fischer 344 rats (18 months old) received an intracaudate injection of 50 μL autologous whole blood or saline. Hematoma features of magnetic resonance imaging (MRI) and neurological deficits were evaluated within 3 days. Second, rats had an intracaudate co-injection of 50 μL autologous blood with either CD47 blocking antibody or IgG. MRI was used to quantify hematoma/iron volume, hemolysis, brain swelling, and atrophy at different time points, behavioral tests to assess neurological deficits, and immunohistochemistry to assess brain injury and neuroinflammation. The CD47 blocking antibody significantly promoted hematoma clearance, attenuated brain swelling, hemolysis, and neuronal loss and increased the number of phagocytic macrophages in and around hematoma 3 days after ICH. Moreover, CD47 blockade reduced neuronal loss, brain atrophy, and neurobehavioral deficits at day 28. 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CD47 Blocking Antibody Accelerates Hematoma Clearance After Intracerebral Hemorrhage in Aged Rats

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