Low Level Tumor Necrosis Factor-Alpha Protects Cardiomyocytes Against High Level Tumor Necrosis Factor-Alpha: Brief Insight into a Beneficial Paradox
Abstract Whether tumor necrosis factor-alpha (TNFα) caused beneficial or detrimental cardiovascular effects remains poorly defined. Anti-TNFα agents improved cardiac end points in chronic rheumatic diseases characterized by progressive deterioration of cardiac function. In contrast, anti-TNFα agents...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Cacciapaglia, Fabio [verfasserIn] Salvatorelli, Emanuela [verfasserIn] Minotti, Giorgio [verfasserIn] Afeltra, Antonella [verfasserIn] Menna, Pierantonio [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2014 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Cardiovascular toxicology - [S.l.] : Springer US, 2001, 14(2014), 4 vom: 06. Mai, Seite 387-392 |
|---|---|
| Übergeordnetes Werk: |
volume:14 ; year:2014 ; number:4 ; day:06 ; month:05 ; pages:387-392 |
| Links: |
|---|
| DOI / URN: |
10.1007/s12012-014-9257-z |
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| Katalog-ID: |
SPR02365340X |
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| 520 | |a Abstract Whether tumor necrosis factor-alpha (TNFα) caused beneficial or detrimental cardiovascular effects remains poorly defined. Anti-TNFα agents improved cardiac end points in chronic rheumatic diseases characterized by progressive deterioration of cardiac function. In contrast, anti-TNFα agents did not always improve but actually worsened cardiac function in non-rheumatic patients with heart failure (HF), in spite of that HF usually accompanies with high circulating levels of TNFα. To shed light on these mixed findings, we characterized the effects of TNFα in H9c2 cardiomyocytes. Cells were incubated for 24 h with increasing concentrations of TNFα, hydrogen peroxide, aminotriazole, or etoposide. Posttreatment cell viability was assessed by antimycin A-inhibitable reduction of 3-(4,dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide, and the $ IC_{50} $ value of each test compound was defined. H9c2 cells were also preconditioned with a low non-toxic concentration of TNFα and then re-challenged with increasing concentrations of TNFα and other stressor agents. In re-challenge experiments, all of the $ IC_{50} $ values increased significantly, with the $ IC_{50} $ value of TNFα increasing approximately 16-fold. TNFα preconditioning increased cardiomyocytes shedding of the external portion of transmembrane type 1 and type 2 TNFα receptors [(soluble TNFα receptors (sTNFR)]. Levels of survival-oriented soluble TNFR2 (sTNFR2) always exceeded those of death-oriented sTNFR1. When exposed to TNFα at its $ IC_{50} $ value, preconditioned cardiomyocytes showed an increased release of sTNFR2 but not sTNFR1. These results denoted that preconditioning by “low TNFα” helped cardiomyocyte to withstand toxicity from “high TNFα” or other agents. These results also suggested that beneficial or detrimental effects of anti-TNFα agents might well depend on whether these agents spared or intercepted discrete amounts of TNFα that preconditioned cardiomyocytes and made them more resistant to high concentrations of TNFα. | ||
| 650 | 4 | |a Heart failure |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a H9c2 |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Preconditioning |7 (dpeaa)DE-He213 | |
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| 650 | 4 | |a Soluble TNFR-1 and TNFR-2 receptors |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Salvatorelli, Emanuela |e verfasserin |4 aut | |
| 700 | 1 | |a Minotti, Giorgio |e verfasserin |4 aut | |
| 700 | 1 | |a Afeltra, Antonella |e verfasserin |4 aut | |
| 700 | 1 | |a Menna, Pierantonio |e verfasserin |4 aut | |
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10.1007/s12012-014-9257-z doi (DE-627)SPR02365340X (SPR)s12012-014-9257-z-e DE-627 ger DE-627 rakwb eng 610 ASE 44.85 bkl Cacciapaglia, Fabio verfasserin aut Low Level Tumor Necrosis Factor-Alpha Protects Cardiomyocytes Against High Level Tumor Necrosis Factor-Alpha: Brief Insight into a Beneficial Paradox 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Whether tumor necrosis factor-alpha (TNFα) caused beneficial or detrimental cardiovascular effects remains poorly defined. Anti-TNFα agents improved cardiac end points in chronic rheumatic diseases characterized by progressive deterioration of cardiac function. In contrast, anti-TNFα agents did not always improve but actually worsened cardiac function in non-rheumatic patients with heart failure (HF), in spite of that HF usually accompanies with high circulating levels of TNFα. To shed light on these mixed findings, we characterized the effects of TNFα in H9c2 cardiomyocytes. Cells were incubated for 24 h with increasing concentrations of TNFα, hydrogen peroxide, aminotriazole, or etoposide. Posttreatment cell viability was assessed by antimycin A-inhibitable reduction of 3-(4,dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide, and the $ IC_{50} $ value of each test compound was defined. H9c2 cells were also preconditioned with a low non-toxic concentration of TNFα and then re-challenged with increasing concentrations of TNFα and other stressor agents. In re-challenge experiments, all of the $ IC_{50} $ values increased significantly, with the $ IC_{50} $ value of TNFα increasing approximately 16-fold. TNFα preconditioning increased cardiomyocytes shedding of the external portion of transmembrane type 1 and type 2 TNFα receptors [(soluble TNFα receptors (sTNFR)]. Levels of survival-oriented soluble TNFR2 (sTNFR2) always exceeded those of death-oriented sTNFR1. When exposed to TNFα at its $ IC_{50} $ value, preconditioned cardiomyocytes showed an increased release of sTNFR2 but not sTNFR1. These results denoted that preconditioning by “low TNFα” helped cardiomyocyte to withstand toxicity from “high TNFα” or other agents. These results also suggested that beneficial or detrimental effects of anti-TNFα agents might well depend on whether these agents spared or intercepted discrete amounts of TNFα that preconditioned cardiomyocytes and made them more resistant to high concentrations of TNFα. Heart failure (dpeaa)DE-He213 H9c2 (dpeaa)DE-He213 Preconditioning (dpeaa)DE-He213 TNFα (dpeaa)DE-He213 Soluble TNFR-1 and TNFR-2 receptors (dpeaa)DE-He213 Salvatorelli, Emanuela verfasserin aut Minotti, Giorgio verfasserin aut Afeltra, Antonella verfasserin aut Menna, Pierantonio verfasserin aut Enthalten in Cardiovascular toxicology [S.l.] : Springer US, 2001 14(2014), 4 vom: 06. Mai, Seite 387-392 (DE-627)34289367X (DE-600)2072576-0 1559-0259 nnns volume:14 year:2014 number:4 day:06 month:05 pages:387-392 https://dx.doi.org/10.1007/s12012-014-9257-z 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_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 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 44.85 ASE AR 14 2014 4 06 05 387-392 |
| spelling |
10.1007/s12012-014-9257-z doi (DE-627)SPR02365340X (SPR)s12012-014-9257-z-e DE-627 ger DE-627 rakwb eng 610 ASE 44.85 bkl Cacciapaglia, Fabio verfasserin aut Low Level Tumor Necrosis Factor-Alpha Protects Cardiomyocytes Against High Level Tumor Necrosis Factor-Alpha: Brief Insight into a Beneficial Paradox 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Whether tumor necrosis factor-alpha (TNFα) caused beneficial or detrimental cardiovascular effects remains poorly defined. Anti-TNFα agents improved cardiac end points in chronic rheumatic diseases characterized by progressive deterioration of cardiac function. In contrast, anti-TNFα agents did not always improve but actually worsened cardiac function in non-rheumatic patients with heart failure (HF), in spite of that HF usually accompanies with high circulating levels of TNFα. To shed light on these mixed findings, we characterized the effects of TNFα in H9c2 cardiomyocytes. Cells were incubated for 24 h with increasing concentrations of TNFα, hydrogen peroxide, aminotriazole, or etoposide. Posttreatment cell viability was assessed by antimycin A-inhibitable reduction of 3-(4,dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide, and the $ IC_{50} $ value of each test compound was defined. H9c2 cells were also preconditioned with a low non-toxic concentration of TNFα and then re-challenged with increasing concentrations of TNFα and other stressor agents. In re-challenge experiments, all of the $ IC_{50} $ values increased significantly, with the $ IC_{50} $ value of TNFα increasing approximately 16-fold. TNFα preconditioning increased cardiomyocytes shedding of the external portion of transmembrane type 1 and type 2 TNFα receptors [(soluble TNFα receptors (sTNFR)]. Levels of survival-oriented soluble TNFR2 (sTNFR2) always exceeded those of death-oriented sTNFR1. When exposed to TNFα at its $ IC_{50} $ value, preconditioned cardiomyocytes showed an increased release of sTNFR2 but not sTNFR1. These results denoted that preconditioning by “low TNFα” helped cardiomyocyte to withstand toxicity from “high TNFα” or other agents. These results also suggested that beneficial or detrimental effects of anti-TNFα agents might well depend on whether these agents spared or intercepted discrete amounts of TNFα that preconditioned cardiomyocytes and made them more resistant to high concentrations of TNFα. Heart failure (dpeaa)DE-He213 H9c2 (dpeaa)DE-He213 Preconditioning (dpeaa)DE-He213 TNFα (dpeaa)DE-He213 Soluble TNFR-1 and TNFR-2 receptors (dpeaa)DE-He213 Salvatorelli, Emanuela verfasserin aut Minotti, Giorgio verfasserin aut Afeltra, Antonella verfasserin aut Menna, Pierantonio verfasserin aut Enthalten in Cardiovascular toxicology [S.l.] : Springer US, 2001 14(2014), 4 vom: 06. Mai, Seite 387-392 (DE-627)34289367X (DE-600)2072576-0 1559-0259 nnns volume:14 year:2014 number:4 day:06 month:05 pages:387-392 https://dx.doi.org/10.1007/s12012-014-9257-z 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_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 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 44.85 ASE AR 14 2014 4 06 05 387-392 |
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10.1007/s12012-014-9257-z doi (DE-627)SPR02365340X (SPR)s12012-014-9257-z-e DE-627 ger DE-627 rakwb eng 610 ASE 44.85 bkl Cacciapaglia, Fabio verfasserin aut Low Level Tumor Necrosis Factor-Alpha Protects Cardiomyocytes Against High Level Tumor Necrosis Factor-Alpha: Brief Insight into a Beneficial Paradox 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Whether tumor necrosis factor-alpha (TNFα) caused beneficial or detrimental cardiovascular effects remains poorly defined. Anti-TNFα agents improved cardiac end points in chronic rheumatic diseases characterized by progressive deterioration of cardiac function. In contrast, anti-TNFα agents did not always improve but actually worsened cardiac function in non-rheumatic patients with heart failure (HF), in spite of that HF usually accompanies with high circulating levels of TNFα. To shed light on these mixed findings, we characterized the effects of TNFα in H9c2 cardiomyocytes. Cells were incubated for 24 h with increasing concentrations of TNFα, hydrogen peroxide, aminotriazole, or etoposide. Posttreatment cell viability was assessed by antimycin A-inhibitable reduction of 3-(4,dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide, and the $ IC_{50} $ value of each test compound was defined. H9c2 cells were also preconditioned with a low non-toxic concentration of TNFα and then re-challenged with increasing concentrations of TNFα and other stressor agents. In re-challenge experiments, all of the $ IC_{50} $ values increased significantly, with the $ IC_{50} $ value of TNFα increasing approximately 16-fold. TNFα preconditioning increased cardiomyocytes shedding of the external portion of transmembrane type 1 and type 2 TNFα receptors [(soluble TNFα receptors (sTNFR)]. Levels of survival-oriented soluble TNFR2 (sTNFR2) always exceeded those of death-oriented sTNFR1. When exposed to TNFα at its $ IC_{50} $ value, preconditioned cardiomyocytes showed an increased release of sTNFR2 but not sTNFR1. These results denoted that preconditioning by “low TNFα” helped cardiomyocyte to withstand toxicity from “high TNFα” or other agents. These results also suggested that beneficial or detrimental effects of anti-TNFα agents might well depend on whether these agents spared or intercepted discrete amounts of TNFα that preconditioned cardiomyocytes and made them more resistant to high concentrations of TNFα. Heart failure (dpeaa)DE-He213 H9c2 (dpeaa)DE-He213 Preconditioning (dpeaa)DE-He213 TNFα (dpeaa)DE-He213 Soluble TNFR-1 and TNFR-2 receptors (dpeaa)DE-He213 Salvatorelli, Emanuela verfasserin aut Minotti, Giorgio verfasserin aut Afeltra, Antonella verfasserin aut Menna, Pierantonio verfasserin aut Enthalten in Cardiovascular toxicology [S.l.] : Springer US, 2001 14(2014), 4 vom: 06. Mai, Seite 387-392 (DE-627)34289367X (DE-600)2072576-0 1559-0259 nnns volume:14 year:2014 number:4 day:06 month:05 pages:387-392 https://dx.doi.org/10.1007/s12012-014-9257-z 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_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 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 44.85 ASE AR 14 2014 4 06 05 387-392 |
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10.1007/s12012-014-9257-z doi (DE-627)SPR02365340X (SPR)s12012-014-9257-z-e DE-627 ger DE-627 rakwb eng 610 ASE 44.85 bkl Cacciapaglia, Fabio verfasserin aut Low Level Tumor Necrosis Factor-Alpha Protects Cardiomyocytes Against High Level Tumor Necrosis Factor-Alpha: Brief Insight into a Beneficial Paradox 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Whether tumor necrosis factor-alpha (TNFα) caused beneficial or detrimental cardiovascular effects remains poorly defined. Anti-TNFα agents improved cardiac end points in chronic rheumatic diseases characterized by progressive deterioration of cardiac function. In contrast, anti-TNFα agents did not always improve but actually worsened cardiac function in non-rheumatic patients with heart failure (HF), in spite of that HF usually accompanies with high circulating levels of TNFα. To shed light on these mixed findings, we characterized the effects of TNFα in H9c2 cardiomyocytes. Cells were incubated for 24 h with increasing concentrations of TNFα, hydrogen peroxide, aminotriazole, or etoposide. Posttreatment cell viability was assessed by antimycin A-inhibitable reduction of 3-(4,dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide, and the $ IC_{50} $ value of each test compound was defined. H9c2 cells were also preconditioned with a low non-toxic concentration of TNFα and then re-challenged with increasing concentrations of TNFα and other stressor agents. In re-challenge experiments, all of the $ IC_{50} $ values increased significantly, with the $ IC_{50} $ value of TNFα increasing approximately 16-fold. TNFα preconditioning increased cardiomyocytes shedding of the external portion of transmembrane type 1 and type 2 TNFα receptors [(soluble TNFα receptors (sTNFR)]. Levels of survival-oriented soluble TNFR2 (sTNFR2) always exceeded those of death-oriented sTNFR1. When exposed to TNFα at its $ IC_{50} $ value, preconditioned cardiomyocytes showed an increased release of sTNFR2 but not sTNFR1. These results denoted that preconditioning by “low TNFα” helped cardiomyocyte to withstand toxicity from “high TNFα” or other agents. These results also suggested that beneficial or detrimental effects of anti-TNFα agents might well depend on whether these agents spared or intercepted discrete amounts of TNFα that preconditioned cardiomyocytes and made them more resistant to high concentrations of TNFα. Heart failure (dpeaa)DE-He213 H9c2 (dpeaa)DE-He213 Preconditioning (dpeaa)DE-He213 TNFα (dpeaa)DE-He213 Soluble TNFR-1 and TNFR-2 receptors (dpeaa)DE-He213 Salvatorelli, Emanuela verfasserin aut Minotti, Giorgio verfasserin aut Afeltra, Antonella verfasserin aut Menna, Pierantonio verfasserin aut Enthalten in Cardiovascular toxicology [S.l.] : Springer US, 2001 14(2014), 4 vom: 06. Mai, Seite 387-392 (DE-627)34289367X (DE-600)2072576-0 1559-0259 nnns volume:14 year:2014 number:4 day:06 month:05 pages:387-392 https://dx.doi.org/10.1007/s12012-014-9257-z 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_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 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 44.85 ASE AR 14 2014 4 06 05 387-392 |
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10.1007/s12012-014-9257-z doi (DE-627)SPR02365340X (SPR)s12012-014-9257-z-e DE-627 ger DE-627 rakwb eng 610 ASE 44.85 bkl Cacciapaglia, Fabio verfasserin aut Low Level Tumor Necrosis Factor-Alpha Protects Cardiomyocytes Against High Level Tumor Necrosis Factor-Alpha: Brief Insight into a Beneficial Paradox 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Whether tumor necrosis factor-alpha (TNFα) caused beneficial or detrimental cardiovascular effects remains poorly defined. Anti-TNFα agents improved cardiac end points in chronic rheumatic diseases characterized by progressive deterioration of cardiac function. In contrast, anti-TNFα agents did not always improve but actually worsened cardiac function in non-rheumatic patients with heart failure (HF), in spite of that HF usually accompanies with high circulating levels of TNFα. To shed light on these mixed findings, we characterized the effects of TNFα in H9c2 cardiomyocytes. Cells were incubated for 24 h with increasing concentrations of TNFα, hydrogen peroxide, aminotriazole, or etoposide. Posttreatment cell viability was assessed by antimycin A-inhibitable reduction of 3-(4,dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide, and the $ IC_{50} $ value of each test compound was defined. H9c2 cells were also preconditioned with a low non-toxic concentration of TNFα and then re-challenged with increasing concentrations of TNFα and other stressor agents. In re-challenge experiments, all of the $ IC_{50} $ values increased significantly, with the $ IC_{50} $ value of TNFα increasing approximately 16-fold. TNFα preconditioning increased cardiomyocytes shedding of the external portion of transmembrane type 1 and type 2 TNFα receptors [(soluble TNFα receptors (sTNFR)]. Levels of survival-oriented soluble TNFR2 (sTNFR2) always exceeded those of death-oriented sTNFR1. When exposed to TNFα at its $ IC_{50} $ value, preconditioned cardiomyocytes showed an increased release of sTNFR2 but not sTNFR1. These results denoted that preconditioning by “low TNFα” helped cardiomyocyte to withstand toxicity from “high TNFα” or other agents. These results also suggested that beneficial or detrimental effects of anti-TNFα agents might well depend on whether these agents spared or intercepted discrete amounts of TNFα that preconditioned cardiomyocytes and made them more resistant to high concentrations of TNFα. Heart failure (dpeaa)DE-He213 H9c2 (dpeaa)DE-He213 Preconditioning (dpeaa)DE-He213 TNFα (dpeaa)DE-He213 Soluble TNFR-1 and TNFR-2 receptors (dpeaa)DE-He213 Salvatorelli, Emanuela verfasserin aut Minotti, Giorgio verfasserin aut Afeltra, Antonella verfasserin aut Menna, Pierantonio verfasserin aut Enthalten in Cardiovascular toxicology [S.l.] : Springer US, 2001 14(2014), 4 vom: 06. Mai, Seite 387-392 (DE-627)34289367X (DE-600)2072576-0 1559-0259 nnns volume:14 year:2014 number:4 day:06 month:05 pages:387-392 https://dx.doi.org/10.1007/s12012-014-9257-z 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_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 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 44.85 ASE AR 14 2014 4 06 05 387-392 |
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English |
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Enthalten in Cardiovascular toxicology 14(2014), 4 vom: 06. Mai, Seite 387-392 volume:14 year:2014 number:4 day:06 month:05 pages:387-392 |
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Enthalten in Cardiovascular toxicology 14(2014), 4 vom: 06. Mai, Seite 387-392 volume:14 year:2014 number:4 day:06 month:05 pages:387-392 |
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Heart failure H9c2 Preconditioning TNFα Soluble TNFR-1 and TNFR-2 receptors |
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Cacciapaglia, Fabio @@aut@@ Salvatorelli, Emanuela @@aut@@ Minotti, Giorgio @@aut@@ Afeltra, Antonella @@aut@@ Menna, Pierantonio @@aut@@ |
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Anti-TNFα agents improved cardiac end points in chronic rheumatic diseases characterized by progressive deterioration of cardiac function. In contrast, anti-TNFα agents did not always improve but actually worsened cardiac function in non-rheumatic patients with heart failure (HF), in spite of that HF usually accompanies with high circulating levels of TNFα. To shed light on these mixed findings, we characterized the effects of TNFα in H9c2 cardiomyocytes. Cells were incubated for 24 h with increasing concentrations of TNFα, hydrogen peroxide, aminotriazole, or etoposide. Posttreatment cell viability was assessed by antimycin A-inhibitable reduction of 3-(4,dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide, and the $ IC_{50} $ value of each test compound was defined. H9c2 cells were also preconditioned with a low non-toxic concentration of TNFα and then re-challenged with increasing concentrations of TNFα and other stressor agents. In re-challenge experiments, all of the $ IC_{50} $ values increased significantly, with the $ IC_{50} $ value of TNFα increasing approximately 16-fold. TNFα preconditioning increased cardiomyocytes shedding of the external portion of transmembrane type 1 and type 2 TNFα receptors [(soluble TNFα receptors (sTNFR)]. Levels of survival-oriented soluble TNFR2 (sTNFR2) always exceeded those of death-oriented sTNFR1. When exposed to TNFα at its $ IC_{50} $ value, preconditioned cardiomyocytes showed an increased release of sTNFR2 but not sTNFR1. These results denoted that preconditioning by “low TNFα” helped cardiomyocyte to withstand toxicity from “high TNFα” or other agents. 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Cacciapaglia, Fabio |
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Cacciapaglia, Fabio ddc 610 bkl 44.85 misc Heart failure misc H9c2 misc Preconditioning misc TNFα misc Soluble TNFR-1 and TNFR-2 receptors Low Level Tumor Necrosis Factor-Alpha Protects Cardiomyocytes Against High Level Tumor Necrosis Factor-Alpha: Brief Insight into a Beneficial Paradox |
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610 ASE 44.85 bkl Low Level Tumor Necrosis Factor-Alpha Protects Cardiomyocytes Against High Level Tumor Necrosis Factor-Alpha: Brief Insight into a Beneficial Paradox Heart failure (dpeaa)DE-He213 H9c2 (dpeaa)DE-He213 Preconditioning (dpeaa)DE-He213 TNFα (dpeaa)DE-He213 Soluble TNFR-1 and TNFR-2 receptors (dpeaa)DE-He213 |
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ddc 610 bkl 44.85 misc Heart failure misc H9c2 misc Preconditioning misc TNFα misc Soluble TNFR-1 and TNFR-2 receptors |
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Low Level Tumor Necrosis Factor-Alpha Protects Cardiomyocytes Against High Level Tumor Necrosis Factor-Alpha: Brief Insight into a Beneficial Paradox |
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Cacciapaglia, Fabio Salvatorelli, Emanuela Minotti, Giorgio Afeltra, Antonella Menna, Pierantonio |
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Cacciapaglia, Fabio |
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low level tumor necrosis factor-alpha protects cardiomyocytes against high level tumor necrosis factor-alpha: brief insight into a beneficial paradox |
| title_auth |
Low Level Tumor Necrosis Factor-Alpha Protects Cardiomyocytes Against High Level Tumor Necrosis Factor-Alpha: Brief Insight into a Beneficial Paradox |
| abstract |
Abstract Whether tumor necrosis factor-alpha (TNFα) caused beneficial or detrimental cardiovascular effects remains poorly defined. Anti-TNFα agents improved cardiac end points in chronic rheumatic diseases characterized by progressive deterioration of cardiac function. In contrast, anti-TNFα agents did not always improve but actually worsened cardiac function in non-rheumatic patients with heart failure (HF), in spite of that HF usually accompanies with high circulating levels of TNFα. To shed light on these mixed findings, we characterized the effects of TNFα in H9c2 cardiomyocytes. Cells were incubated for 24 h with increasing concentrations of TNFα, hydrogen peroxide, aminotriazole, or etoposide. Posttreatment cell viability was assessed by antimycin A-inhibitable reduction of 3-(4,dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide, and the $ IC_{50} $ value of each test compound was defined. H9c2 cells were also preconditioned with a low non-toxic concentration of TNFα and then re-challenged with increasing concentrations of TNFα and other stressor agents. In re-challenge experiments, all of the $ IC_{50} $ values increased significantly, with the $ IC_{50} $ value of TNFα increasing approximately 16-fold. TNFα preconditioning increased cardiomyocytes shedding of the external portion of transmembrane type 1 and type 2 TNFα receptors [(soluble TNFα receptors (sTNFR)]. Levels of survival-oriented soluble TNFR2 (sTNFR2) always exceeded those of death-oriented sTNFR1. When exposed to TNFα at its $ IC_{50} $ value, preconditioned cardiomyocytes showed an increased release of sTNFR2 but not sTNFR1. These results denoted that preconditioning by “low TNFα” helped cardiomyocyte to withstand toxicity from “high TNFα” or other agents. These results also suggested that beneficial or detrimental effects of anti-TNFα agents might well depend on whether these agents spared or intercepted discrete amounts of TNFα that preconditioned cardiomyocytes and made them more resistant to high concentrations of TNFα. |
| abstractGer |
Abstract Whether tumor necrosis factor-alpha (TNFα) caused beneficial or detrimental cardiovascular effects remains poorly defined. Anti-TNFα agents improved cardiac end points in chronic rheumatic diseases characterized by progressive deterioration of cardiac function. In contrast, anti-TNFα agents did not always improve but actually worsened cardiac function in non-rheumatic patients with heart failure (HF), in spite of that HF usually accompanies with high circulating levels of TNFα. To shed light on these mixed findings, we characterized the effects of TNFα in H9c2 cardiomyocytes. Cells were incubated for 24 h with increasing concentrations of TNFα, hydrogen peroxide, aminotriazole, or etoposide. Posttreatment cell viability was assessed by antimycin A-inhibitable reduction of 3-(4,dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide, and the $ IC_{50} $ value of each test compound was defined. H9c2 cells were also preconditioned with a low non-toxic concentration of TNFα and then re-challenged with increasing concentrations of TNFα and other stressor agents. In re-challenge experiments, all of the $ IC_{50} $ values increased significantly, with the $ IC_{50} $ value of TNFα increasing approximately 16-fold. TNFα preconditioning increased cardiomyocytes shedding of the external portion of transmembrane type 1 and type 2 TNFα receptors [(soluble TNFα receptors (sTNFR)]. Levels of survival-oriented soluble TNFR2 (sTNFR2) always exceeded those of death-oriented sTNFR1. When exposed to TNFα at its $ IC_{50} $ value, preconditioned cardiomyocytes showed an increased release of sTNFR2 but not sTNFR1. These results denoted that preconditioning by “low TNFα” helped cardiomyocyte to withstand toxicity from “high TNFα” or other agents. These results also suggested that beneficial or detrimental effects of anti-TNFα agents might well depend on whether these agents spared or intercepted discrete amounts of TNFα that preconditioned cardiomyocytes and made them more resistant to high concentrations of TNFα. |
| abstract_unstemmed |
Abstract Whether tumor necrosis factor-alpha (TNFα) caused beneficial or detrimental cardiovascular effects remains poorly defined. Anti-TNFα agents improved cardiac end points in chronic rheumatic diseases characterized by progressive deterioration of cardiac function. In contrast, anti-TNFα agents did not always improve but actually worsened cardiac function in non-rheumatic patients with heart failure (HF), in spite of that HF usually accompanies with high circulating levels of TNFα. To shed light on these mixed findings, we characterized the effects of TNFα in H9c2 cardiomyocytes. Cells were incubated for 24 h with increasing concentrations of TNFα, hydrogen peroxide, aminotriazole, or etoposide. Posttreatment cell viability was assessed by antimycin A-inhibitable reduction of 3-(4,dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide, and the $ IC_{50} $ value of each test compound was defined. H9c2 cells were also preconditioned with a low non-toxic concentration of TNFα and then re-challenged with increasing concentrations of TNFα and other stressor agents. In re-challenge experiments, all of the $ IC_{50} $ values increased significantly, with the $ IC_{50} $ value of TNFα increasing approximately 16-fold. TNFα preconditioning increased cardiomyocytes shedding of the external portion of transmembrane type 1 and type 2 TNFα receptors [(soluble TNFα receptors (sTNFR)]. Levels of survival-oriented soluble TNFR2 (sTNFR2) always exceeded those of death-oriented sTNFR1. When exposed to TNFα at its $ IC_{50} $ value, preconditioned cardiomyocytes showed an increased release of sTNFR2 but not sTNFR1. These results denoted that preconditioning by “low TNFα” helped cardiomyocyte to withstand toxicity from “high TNFα” or other agents. These results also suggested that beneficial or detrimental effects of anti-TNFα agents might well depend on whether these agents spared or intercepted discrete amounts of TNFα that preconditioned cardiomyocytes and made them more resistant to high concentrations of TNFα. |
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Low Level Tumor Necrosis Factor-Alpha Protects Cardiomyocytes Against High Level Tumor Necrosis Factor-Alpha: Brief Insight into a Beneficial Paradox |
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| score |
7.4026117 |