Kidney-synthesized erythropoietin is the main source for the hypoxia-induced increase in plasma erythropoietin in adult humans

Purpose Erythropoietin (EPO) is mainly synthesized within renal peritubular fibroblasts, and also other tissues such as the liver possess the ability. However, to what extent non-kidney produced EPO contributes to the hypoxia-induced increase in circulating EPO in adult humans remains unclear. Metho...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Lundby, Anne-Kristine Meinild [verfasserIn] Keiser, Stefanie [verfasserIn] Siebenmann, Christoph [verfasserIn] Schäffer, Leonhard [verfasserIn] Lundby, Carsten [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2014

Schlagwörter:	EPO Renal Altitude

Übergeordnetes Werk:	Enthalten in: European journal of applied physiology - Berlin : Springer, 1928, 114(2014), 6 vom: 15. Feb., Seite 1107-1111
Übergeordnetes Werk:	volume:114 ; year:2014 ; number:6 ; day:15 ; month:02 ; pages:1107-1111

Links:	Volltext

DOI / URN:	10.1007/s00421-014-2844-7

Katalog-ID:	SPR005712793

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245	1	0	\|a Kidney-synthesized erythropoietin is the main source for the hypoxia-induced increase in plasma erythropoietin in adult humans
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520			\|a Purpose Erythropoietin (EPO) is mainly synthesized within renal peritubular fibroblasts, and also other tissues such as the liver possess the ability. However, to what extent non-kidney produced EPO contributes to the hypoxia-induced increase in circulating EPO in adult humans remains unclear. Methods We aimed to quantify this by assessing the distribution of EPO glycoforms which are characterized by posttranslational glycosylation patterns specific to the synthesizing cell. The analysis was performed on samples obtained in seven healthy volunteers before, during and after 1 month of sojourn at 3,454 m altitude. Results Umbilical cord (UC) plasma served as control. As expected a peak (p < 0.05) in urine (2.3 ± 0.5-fold) and plasma (3.3 ± 0.5-fold) EPO was observed on day 1 of high-altitude exposure, and thereafter the concentration decreased for the urine sample obtained after 26 days at altitude, but remained elevated (p < 0.05) by 1.5 ± 0.2-fold above the initial sea level value for the plasma sample. The EPO glycoform heterogeneity, in the urine samples collected at altitude, did not differ from values at sea level, but were markedly lower (p < 0.05) than the mean percent migrated isoform (PMI) for the umbilical cord samples. Conclusion Our studies demonstrate (1) UC samples express a different glycoform distribution as compared to adult humans and hence illustrates the ability to synthesis EPO in non-kidney cells during fetal development (2) as expected hypoxia augments circulating EPO in adults and the predominant source here for remains being kidney derived.
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700	1		\|a Keiser, Stefanie \|e verfasserin \|4 aut
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700	1		\|a Schäffer, Leonhard \|e verfasserin \|4 aut
700	1		\|a Lundby, Carsten \|e verfasserin \|4 aut
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allfields	10.1007/s00421-014-2844-7 doi (DE-627)SPR005712793 (SPR)s00421-014-2844-7-e DE-627 ger DE-627 rakwb eng 610 ASE 44.37 bkl Lundby, Anne-Kristine Meinild verfasserin aut Kidney-synthesized erythropoietin is the main source for the hypoxia-induced increase in plasma erythropoietin in adult humans 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Purpose Erythropoietin (EPO) is mainly synthesized within renal peritubular fibroblasts, and also other tissues such as the liver possess the ability. However, to what extent non-kidney produced EPO contributes to the hypoxia-induced increase in circulating EPO in adult humans remains unclear. Methods We aimed to quantify this by assessing the distribution of EPO glycoforms which are characterized by posttranslational glycosylation patterns specific to the synthesizing cell. The analysis was performed on samples obtained in seven healthy volunteers before, during and after 1 month of sojourn at 3,454 m altitude. Results Umbilical cord (UC) plasma served as control. As expected a peak (p < 0.05) in urine (2.3 ± 0.5-fold) and plasma (3.3 ± 0.5-fold) EPO was observed on day 1 of high-altitude exposure, and thereafter the concentration decreased for the urine sample obtained after 26 days at altitude, but remained elevated (p < 0.05) by 1.5 ± 0.2-fold above the initial sea level value for the plasma sample. The EPO glycoform heterogeneity, in the urine samples collected at altitude, did not differ from values at sea level, but were markedly lower (p < 0.05) than the mean percent migrated isoform (PMI) for the umbilical cord samples. Conclusion Our studies demonstrate (1) UC samples express a different glycoform distribution as compared to adult humans and hence illustrates the ability to synthesis EPO in non-kidney cells during fetal development (2) as expected hypoxia augments circulating EPO in adults and the predominant source here for remains being kidney derived. EPO (dpeaa)DE-He213 Renal (dpeaa)DE-He213 Altitude (dpeaa)DE-He213 Keiser, Stefanie verfasserin aut Siebenmann, Christoph verfasserin aut Schäffer, Leonhard verfasserin aut Lundby, Carsten verfasserin aut Enthalten in European journal of applied physiology Berlin : Springer, 1928 114(2014), 6 vom: 15. Feb., Seite 1107-1111 (DE-627)253722780 (DE-600)1459054-2 1439-6327 nnns volume:114 year:2014 number:6 day:15 month:02 pages:1107-1111 https://dx.doi.org/10.1007/s00421-014-2844-7 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_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_152 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_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_711 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_4277 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 44.37 ASE AR 114 2014 6 15 02 1107-1111
spelling	10.1007/s00421-014-2844-7 doi (DE-627)SPR005712793 (SPR)s00421-014-2844-7-e DE-627 ger DE-627 rakwb eng 610 ASE 44.37 bkl Lundby, Anne-Kristine Meinild verfasserin aut Kidney-synthesized erythropoietin is the main source for the hypoxia-induced increase in plasma erythropoietin in adult humans 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Purpose Erythropoietin (EPO) is mainly synthesized within renal peritubular fibroblasts, and also other tissues such as the liver possess the ability. However, to what extent non-kidney produced EPO contributes to the hypoxia-induced increase in circulating EPO in adult humans remains unclear. Methods We aimed to quantify this by assessing the distribution of EPO glycoforms which are characterized by posttranslational glycosylation patterns specific to the synthesizing cell. The analysis was performed on samples obtained in seven healthy volunteers before, during and after 1 month of sojourn at 3,454 m altitude. Results Umbilical cord (UC) plasma served as control. As expected a peak (p < 0.05) in urine (2.3 ± 0.5-fold) and plasma (3.3 ± 0.5-fold) EPO was observed on day 1 of high-altitude exposure, and thereafter the concentration decreased for the urine sample obtained after 26 days at altitude, but remained elevated (p < 0.05) by 1.5 ± 0.2-fold above the initial sea level value for the plasma sample. The EPO glycoform heterogeneity, in the urine samples collected at altitude, did not differ from values at sea level, but were markedly lower (p < 0.05) than the mean percent migrated isoform (PMI) for the umbilical cord samples. Conclusion Our studies demonstrate (1) UC samples express a different glycoform distribution as compared to adult humans and hence illustrates the ability to synthesis EPO in non-kidney cells during fetal development (2) as expected hypoxia augments circulating EPO in adults and the predominant source here for remains being kidney derived. EPO (dpeaa)DE-He213 Renal (dpeaa)DE-He213 Altitude (dpeaa)DE-He213 Keiser, Stefanie verfasserin aut Siebenmann, Christoph verfasserin aut Schäffer, Leonhard verfasserin aut Lundby, Carsten verfasserin aut Enthalten in European journal of applied physiology Berlin : Springer, 1928 114(2014), 6 vom: 15. Feb., Seite 1107-1111 (DE-627)253722780 (DE-600)1459054-2 1439-6327 nnns volume:114 year:2014 number:6 day:15 month:02 pages:1107-1111 https://dx.doi.org/10.1007/s00421-014-2844-7 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_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_152 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_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_711 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_4277 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 44.37 ASE AR 114 2014 6 15 02 1107-1111
allfields_unstemmed	10.1007/s00421-014-2844-7 doi (DE-627)SPR005712793 (SPR)s00421-014-2844-7-e DE-627 ger DE-627 rakwb eng 610 ASE 44.37 bkl Lundby, Anne-Kristine Meinild verfasserin aut Kidney-synthesized erythropoietin is the main source for the hypoxia-induced increase in plasma erythropoietin in adult humans 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Purpose Erythropoietin (EPO) is mainly synthesized within renal peritubular fibroblasts, and also other tissues such as the liver possess the ability. However, to what extent non-kidney produced EPO contributes to the hypoxia-induced increase in circulating EPO in adult humans remains unclear. Methods We aimed to quantify this by assessing the distribution of EPO glycoforms which are characterized by posttranslational glycosylation patterns specific to the synthesizing cell. The analysis was performed on samples obtained in seven healthy volunteers before, during and after 1 month of sojourn at 3,454 m altitude. Results Umbilical cord (UC) plasma served as control. As expected a peak (p < 0.05) in urine (2.3 ± 0.5-fold) and plasma (3.3 ± 0.5-fold) EPO was observed on day 1 of high-altitude exposure, and thereafter the concentration decreased for the urine sample obtained after 26 days at altitude, but remained elevated (p < 0.05) by 1.5 ± 0.2-fold above the initial sea level value for the plasma sample. The EPO glycoform heterogeneity, in the urine samples collected at altitude, did not differ from values at sea level, but were markedly lower (p < 0.05) than the mean percent migrated isoform (PMI) for the umbilical cord samples. Conclusion Our studies demonstrate (1) UC samples express a different glycoform distribution as compared to adult humans and hence illustrates the ability to synthesis EPO in non-kidney cells during fetal development (2) as expected hypoxia augments circulating EPO in adults and the predominant source here for remains being kidney derived. EPO (dpeaa)DE-He213 Renal (dpeaa)DE-He213 Altitude (dpeaa)DE-He213 Keiser, Stefanie verfasserin aut Siebenmann, Christoph verfasserin aut Schäffer, Leonhard verfasserin aut Lundby, Carsten verfasserin aut Enthalten in European journal of applied physiology Berlin : Springer, 1928 114(2014), 6 vom: 15. Feb., Seite 1107-1111 (DE-627)253722780 (DE-600)1459054-2 1439-6327 nnns volume:114 year:2014 number:6 day:15 month:02 pages:1107-1111 https://dx.doi.org/10.1007/s00421-014-2844-7 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_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_152 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_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_711 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_4277 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 44.37 ASE AR 114 2014 6 15 02 1107-1111
allfieldsGer	10.1007/s00421-014-2844-7 doi (DE-627)SPR005712793 (SPR)s00421-014-2844-7-e DE-627 ger DE-627 rakwb eng 610 ASE 44.37 bkl Lundby, Anne-Kristine Meinild verfasserin aut Kidney-synthesized erythropoietin is the main source for the hypoxia-induced increase in plasma erythropoietin in adult humans 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Purpose Erythropoietin (EPO) is mainly synthesized within renal peritubular fibroblasts, and also other tissues such as the liver possess the ability. However, to what extent non-kidney produced EPO contributes to the hypoxia-induced increase in circulating EPO in adult humans remains unclear. Methods We aimed to quantify this by assessing the distribution of EPO glycoforms which are characterized by posttranslational glycosylation patterns specific to the synthesizing cell. The analysis was performed on samples obtained in seven healthy volunteers before, during and after 1 month of sojourn at 3,454 m altitude. Results Umbilical cord (UC) plasma served as control. As expected a peak (p < 0.05) in urine (2.3 ± 0.5-fold) and plasma (3.3 ± 0.5-fold) EPO was observed on day 1 of high-altitude exposure, and thereafter the concentration decreased for the urine sample obtained after 26 days at altitude, but remained elevated (p < 0.05) by 1.5 ± 0.2-fold above the initial sea level value for the plasma sample. The EPO glycoform heterogeneity, in the urine samples collected at altitude, did not differ from values at sea level, but were markedly lower (p < 0.05) than the mean percent migrated isoform (PMI) for the umbilical cord samples. Conclusion Our studies demonstrate (1) UC samples express a different glycoform distribution as compared to adult humans and hence illustrates the ability to synthesis EPO in non-kidney cells during fetal development (2) as expected hypoxia augments circulating EPO in adults and the predominant source here for remains being kidney derived. EPO (dpeaa)DE-He213 Renal (dpeaa)DE-He213 Altitude (dpeaa)DE-He213 Keiser, Stefanie verfasserin aut Siebenmann, Christoph verfasserin aut Schäffer, Leonhard verfasserin aut Lundby, Carsten verfasserin aut Enthalten in European journal of applied physiology Berlin : Springer, 1928 114(2014), 6 vom: 15. Feb., Seite 1107-1111 (DE-627)253722780 (DE-600)1459054-2 1439-6327 nnns volume:114 year:2014 number:6 day:15 month:02 pages:1107-1111 https://dx.doi.org/10.1007/s00421-014-2844-7 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_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_152 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_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_711 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_4277 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 44.37 ASE AR 114 2014 6 15 02 1107-1111
allfieldsSound	10.1007/s00421-014-2844-7 doi (DE-627)SPR005712793 (SPR)s00421-014-2844-7-e DE-627 ger DE-627 rakwb eng 610 ASE 44.37 bkl Lundby, Anne-Kristine Meinild verfasserin aut Kidney-synthesized erythropoietin is the main source for the hypoxia-induced increase in plasma erythropoietin in adult humans 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Purpose Erythropoietin (EPO) is mainly synthesized within renal peritubular fibroblasts, and also other tissues such as the liver possess the ability. However, to what extent non-kidney produced EPO contributes to the hypoxia-induced increase in circulating EPO in adult humans remains unclear. Methods We aimed to quantify this by assessing the distribution of EPO glycoforms which are characterized by posttranslational glycosylation patterns specific to the synthesizing cell. The analysis was performed on samples obtained in seven healthy volunteers before, during and after 1 month of sojourn at 3,454 m altitude. Results Umbilical cord (UC) plasma served as control. As expected a peak (p < 0.05) in urine (2.3 ± 0.5-fold) and plasma (3.3 ± 0.5-fold) EPO was observed on day 1 of high-altitude exposure, and thereafter the concentration decreased for the urine sample obtained after 26 days at altitude, but remained elevated (p < 0.05) by 1.5 ± 0.2-fold above the initial sea level value for the plasma sample. The EPO glycoform heterogeneity, in the urine samples collected at altitude, did not differ from values at sea level, but were markedly lower (p < 0.05) than the mean percent migrated isoform (PMI) for the umbilical cord samples. Conclusion Our studies demonstrate (1) UC samples express a different glycoform distribution as compared to adult humans and hence illustrates the ability to synthesis EPO in non-kidney cells during fetal development (2) as expected hypoxia augments circulating EPO in adults and the predominant source here for remains being kidney derived. EPO (dpeaa)DE-He213 Renal (dpeaa)DE-He213 Altitude (dpeaa)DE-He213 Keiser, Stefanie verfasserin aut Siebenmann, Christoph verfasserin aut Schäffer, Leonhard verfasserin aut Lundby, Carsten verfasserin aut Enthalten in European journal of applied physiology Berlin : Springer, 1928 114(2014), 6 vom: 15. Feb., Seite 1107-1111 (DE-627)253722780 (DE-600)1459054-2 1439-6327 nnns volume:114 year:2014 number:6 day:15 month:02 pages:1107-1111 https://dx.doi.org/10.1007/s00421-014-2844-7 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_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_152 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_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_711 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_4277 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 44.37 ASE AR 114 2014 6 15 02 1107-1111
language	English
source	Enthalten in European journal of applied physiology 114(2014), 6 vom: 15. Feb., Seite 1107-1111 volume:114 year:2014 number:6 day:15 month:02 pages:1107-1111
sourceStr	Enthalten in European journal of applied physiology 114(2014), 6 vom: 15. Feb., Seite 1107-1111 volume:114 year:2014 number:6 day:15 month:02 pages:1107-1111
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	EPO Renal Altitude
dewey-raw	610
isfreeaccess_bool	false
container_title	European journal of applied physiology
authorswithroles_txt_mv	Lundby, Anne-Kristine Meinild @@aut@@ Keiser, Stefanie @@aut@@ Siebenmann, Christoph @@aut@@ Schäffer, Leonhard @@aut@@ Lundby, Carsten @@aut@@
publishDateDaySort_date	2014-02-15T00:00:00Z
hierarchy_top_id	253722780
dewey-sort	3610
id	SPR005712793
language_de	englisch
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However, to what extent non-kidney produced EPO contributes to the hypoxia-induced increase in circulating EPO in adult humans remains unclear. Methods We aimed to quantify this by assessing the distribution of EPO glycoforms which are characterized by posttranslational glycosylation patterns specific to the synthesizing cell. The analysis was performed on samples obtained in seven healthy volunteers before, during and after 1 month of sojourn at 3,454 m altitude. Results Umbilical cord (UC) plasma served as control. As expected a peak (p < 0.05) in urine (2.3 ± 0.5-fold) and plasma (3.3 ± 0.5-fold) EPO was observed on day 1 of high-altitude exposure, and thereafter the concentration decreased for the urine sample obtained after 26 days at altitude, but remained elevated (p < 0.05) by 1.5 ± 0.2-fold above the initial sea level value for the plasma sample. The EPO glycoform heterogeneity, in the urine samples collected at altitude, did not differ from values at sea level, but were markedly lower (p < 0.05) than the mean percent migrated isoform (PMI) for the umbilical cord samples. Conclusion Our studies demonstrate (1) UC samples express a different glycoform distribution as compared to adult humans and hence illustrates the ability to synthesis EPO in non-kidney cells during fetal development (2) as expected hypoxia augments circulating EPO in adults and the predominant source here for remains being kidney derived.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">EPO</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Renal</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Altitude</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Keiser, Stefanie</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Siebenmann, Christoph</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Schäffer, Leonhard</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Lundby, Carsten</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">European journal of applied physiology</subfield><subfield code="d">Berlin : Springer, 1928</subfield><subfield code="g">114(2014), 6 vom: 15. 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author	Lundby, Anne-Kristine Meinild
spellingShingle	Lundby, Anne-Kristine Meinild ddc 610 bkl 44.37 misc EPO misc Renal misc Altitude Kidney-synthesized erythropoietin is the main source for the hypoxia-induced increase in plasma erythropoietin in adult humans
authorStr	Lundby, Anne-Kristine Meinild
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topic_title	610 ASE 44.37 bkl Kidney-synthesized erythropoietin is the main source for the hypoxia-induced increase in plasma erythropoietin in adult humans EPO (dpeaa)DE-He213 Renal (dpeaa)DE-He213 Altitude (dpeaa)DE-He213
topic	ddc 610 bkl 44.37 misc EPO misc Renal misc Altitude
topic_unstemmed	ddc 610 bkl 44.37 misc EPO misc Renal misc Altitude
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title	Kidney-synthesized erythropoietin is the main source for the hypoxia-induced increase in plasma erythropoietin in adult humans
ctrlnum	(DE-627)SPR005712793 (SPR)s00421-014-2844-7-e
title_full	Kidney-synthesized erythropoietin is the main source for the hypoxia-induced increase in plasma erythropoietin in adult humans
author_sort	Lundby, Anne-Kristine Meinild
journal	European journal of applied physiology
journalStr	European journal of applied physiology
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author_browse	Lundby, Anne-Kristine Meinild Keiser, Stefanie Siebenmann, Christoph Schäffer, Leonhard Lundby, Carsten
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class	610 ASE 44.37 bkl
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author-letter	Lundby, Anne-Kristine Meinild
doi_str_mv	10.1007/s00421-014-2844-7
dewey-full	610
author2-role	verfasserin
title_sort	kidney-synthesized erythropoietin is the main source for the hypoxia-induced increase in plasma erythropoietin in adult humans
title_auth	Kidney-synthesized erythropoietin is the main source for the hypoxia-induced increase in plasma erythropoietin in adult humans
abstract	Purpose Erythropoietin (EPO) is mainly synthesized within renal peritubular fibroblasts, and also other tissues such as the liver possess the ability. However, to what extent non-kidney produced EPO contributes to the hypoxia-induced increase in circulating EPO in adult humans remains unclear. Methods We aimed to quantify this by assessing the distribution of EPO glycoforms which are characterized by posttranslational glycosylation patterns specific to the synthesizing cell. The analysis was performed on samples obtained in seven healthy volunteers before, during and after 1 month of sojourn at 3,454 m altitude. Results Umbilical cord (UC) plasma served as control. As expected a peak (p < 0.05) in urine (2.3 ± 0.5-fold) and plasma (3.3 ± 0.5-fold) EPO was observed on day 1 of high-altitude exposure, and thereafter the concentration decreased for the urine sample obtained after 26 days at altitude, but remained elevated (p < 0.05) by 1.5 ± 0.2-fold above the initial sea level value for the plasma sample. The EPO glycoform heterogeneity, in the urine samples collected at altitude, did not differ from values at sea level, but were markedly lower (p < 0.05) than the mean percent migrated isoform (PMI) for the umbilical cord samples. Conclusion Our studies demonstrate (1) UC samples express a different glycoform distribution as compared to adult humans and hence illustrates the ability to synthesis EPO in non-kidney cells during fetal development (2) as expected hypoxia augments circulating EPO in adults and the predominant source here for remains being kidney derived.
abstractGer	Purpose Erythropoietin (EPO) is mainly synthesized within renal peritubular fibroblasts, and also other tissues such as the liver possess the ability. However, to what extent non-kidney produced EPO contributes to the hypoxia-induced increase in circulating EPO in adult humans remains unclear. Methods We aimed to quantify this by assessing the distribution of EPO glycoforms which are characterized by posttranslational glycosylation patterns specific to the synthesizing cell. The analysis was performed on samples obtained in seven healthy volunteers before, during and after 1 month of sojourn at 3,454 m altitude. Results Umbilical cord (UC) plasma served as control. As expected a peak (p < 0.05) in urine (2.3 ± 0.5-fold) and plasma (3.3 ± 0.5-fold) EPO was observed on day 1 of high-altitude exposure, and thereafter the concentration decreased for the urine sample obtained after 26 days at altitude, but remained elevated (p < 0.05) by 1.5 ± 0.2-fold above the initial sea level value for the plasma sample. The EPO glycoform heterogeneity, in the urine samples collected at altitude, did not differ from values at sea level, but were markedly lower (p < 0.05) than the mean percent migrated isoform (PMI) for the umbilical cord samples. Conclusion Our studies demonstrate (1) UC samples express a different glycoform distribution as compared to adult humans and hence illustrates the ability to synthesis EPO in non-kidney cells during fetal development (2) as expected hypoxia augments circulating EPO in adults and the predominant source here for remains being kidney derived.
abstract_unstemmed	Purpose Erythropoietin (EPO) is mainly synthesized within renal peritubular fibroblasts, and also other tissues such as the liver possess the ability. However, to what extent non-kidney produced EPO contributes to the hypoxia-induced increase in circulating EPO in adult humans remains unclear. Methods We aimed to quantify this by assessing the distribution of EPO glycoforms which are characterized by posttranslational glycosylation patterns specific to the synthesizing cell. The analysis was performed on samples obtained in seven healthy volunteers before, during and after 1 month of sojourn at 3,454 m altitude. Results Umbilical cord (UC) plasma served as control. As expected a peak (p < 0.05) in urine (2.3 ± 0.5-fold) and plasma (3.3 ± 0.5-fold) EPO was observed on day 1 of high-altitude exposure, and thereafter the concentration decreased for the urine sample obtained after 26 days at altitude, but remained elevated (p < 0.05) by 1.5 ± 0.2-fold above the initial sea level value for the plasma sample. The EPO glycoform heterogeneity, in the urine samples collected at altitude, did not differ from values at sea level, but were markedly lower (p < 0.05) than the mean percent migrated isoform (PMI) for the umbilical cord samples. Conclusion Our studies demonstrate (1) UC samples express a different glycoform distribution as compared to adult humans and hence illustrates the ability to synthesis EPO in non-kidney cells during fetal development (2) as expected hypoxia augments circulating EPO in adults and the predominant source here for remains being kidney derived.
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container_issue	6
title_short	Kidney-synthesized erythropoietin is the main source for the hypoxia-induced increase in plasma erythropoietin in adult humans
url	https://dx.doi.org/10.1007/s00421-014-2844-7
remote_bool	true
author2	Keiser, Stefanie Siebenmann, Christoph Schäffer, Leonhard Lundby, Carsten
author2Str	Keiser, Stefanie Siebenmann, Christoph Schäffer, Leonhard Lundby, Carsten
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doi_str	10.1007/s00421-014-2844-7
up_date	2024-07-03T18:12:05.949Z
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However, to what extent non-kidney produced EPO contributes to the hypoxia-induced increase in circulating EPO in adult humans remains unclear. Methods We aimed to quantify this by assessing the distribution of EPO glycoforms which are characterized by posttranslational glycosylation patterns specific to the synthesizing cell. The analysis was performed on samples obtained in seven healthy volunteers before, during and after 1 month of sojourn at 3,454 m altitude. Results Umbilical cord (UC) plasma served as control. As expected a peak (p < 0.05) in urine (2.3 ± 0.5-fold) and plasma (3.3 ± 0.5-fold) EPO was observed on day 1 of high-altitude exposure, and thereafter the concentration decreased for the urine sample obtained after 26 days at altitude, but remained elevated (p < 0.05) by 1.5 ± 0.2-fold above the initial sea level value for the plasma sample. The EPO glycoform heterogeneity, in the urine samples collected at altitude, did not differ from values at sea level, but were markedly lower (p < 0.05) than the mean percent migrated isoform (PMI) for the umbilical cord samples. 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Kidney-synthesized erythropoietin is the main source for the hypoxia-induced increase in plasma erythropoietin in adult humans

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