Heat Shock Protein-70 Levels Are Associated With a State of Oxidative Damage in the Development of Bronchopulmonary Dysplasia

Background: Heat shock protein-70 (Hsp-70) exhibits cytoprotective effects against oxidative stress-induced airway injury. This study aimed to examine Hsp-70 and 8-hydroxy-2′-deoxyguanosine (8-OHdG) from tracheal aspirates (TA) in very low-birth weight (VLBW) preterm infants to predict the developme...
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Autor*in:	Chien-Chou Hsiao [verfasserIn] Cheng-Han Lee [verfasserIn] Rei-Cheng Yang [verfasserIn] Jia-Yuh Chen [verfasserIn] Tzu-Cheng Su [verfasserIn] Yu-Jun Chang [verfasserIn] Ching-Yuang Lin [verfasserIn] Yi-Giien Tsai [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	heat shock protein-70 bronchopulmonary dysplasia preterm infants apoptosis oxidative stress

Übergeordnetes Werk:	In: Frontiers in Pediatrics - Frontiers Media S.A., 2013, 9(2021)
Übergeordnetes Werk:	volume:9 ; year:2021

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3389/fped.2021.616452

Katalog-ID:	DOAJ00525762X

Internformat


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520			\|a Background: Heat shock protein-70 (Hsp-70) exhibits cytoprotective effects against oxidative stress-induced airway injury. This study aimed to examine Hsp-70 and 8-hydroxy-2′-deoxyguanosine (8-OHdG) from tracheal aspirates (TA) in very low-birth weight (VLBW) preterm infants to predict the development of bronchopulmonary dysplasia (BPD).Methods: This birth cohort study enrolled 109 VLBW preterm infants, including 32 infants who developed BPD. Hsp-70 and 8-OHdG concentrations from TA were measured by immunoassay. The apoptosis of TA epithelial cells obtained on Day 28 after birth was measured using annexin-V staining assay.Results: Hsp-70 and 8-OHdG levels in TA fluid were persistently increased from Day 1 to Day 28 of life in the BPD group. Multiple linear regression analysis demonstrated that BPD was significantly associated with gestational age, respiratory distress syndrome, and TA Hsp-70 and 8-OHdG levels on post-natal Day 28. The TA Hsp-70 level positively correlated with TA 8-OHdG level on the Day 1 (r = 0.47) and Day 28 of life (r = 0.68). Incubation of recombinant Hsp-70 with primary epithelial cells derived from TA of patients decreased hydrogen peroxide-induced epithelial cell death.Conclusions: Hsp-70 levels are associated with a state of oxidative injury in the development of BPD.
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Indexfelder

author_variant	c c h cch c c h cch c c h cch c h l chl r c y rcy r c y rcy j y c jyc t c s tcs y j c yjc c y l cyl y g t ygt y g t ygt y g t ygt
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allfields	10.3389/fped.2021.616452 doi (DE-627)DOAJ00525762X (DE-599)DOAJc7c4165ecd73454c8240d2fef797e117 DE-627 ger DE-627 rakwb eng RJ1-570 Chien-Chou Hsiao verfasserin aut Heat Shock Protein-70 Levels Are Associated With a State of Oxidative Damage in the Development of Bronchopulmonary Dysplasia 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Heat shock protein-70 (Hsp-70) exhibits cytoprotective effects against oxidative stress-induced airway injury. This study aimed to examine Hsp-70 and 8-hydroxy-2′-deoxyguanosine (8-OHdG) from tracheal aspirates (TA) in very low-birth weight (VLBW) preterm infants to predict the development of bronchopulmonary dysplasia (BPD).Methods: This birth cohort study enrolled 109 VLBW preterm infants, including 32 infants who developed BPD. Hsp-70 and 8-OHdG concentrations from TA were measured by immunoassay. The apoptosis of TA epithelial cells obtained on Day 28 after birth was measured using annexin-V staining assay.Results: Hsp-70 and 8-OHdG levels in TA fluid were persistently increased from Day 1 to Day 28 of life in the BPD group. Multiple linear regression analysis demonstrated that BPD was significantly associated with gestational age, respiratory distress syndrome, and TA Hsp-70 and 8-OHdG levels on post-natal Day 28. The TA Hsp-70 level positively correlated with TA 8-OHdG level on the Day 1 (r = 0.47) and Day 28 of life (r = 0.68). Incubation of recombinant Hsp-70 with primary epithelial cells derived from TA of patients decreased hydrogen peroxide-induced epithelial cell death.Conclusions: Hsp-70 levels are associated with a state of oxidative injury in the development of BPD. heat shock protein-70 bronchopulmonary dysplasia preterm infants apoptosis oxidative stress Pediatrics Chien-Chou Hsiao verfasserin aut Chien-Chou Hsiao verfasserin aut Cheng-Han Lee verfasserin aut Rei-Cheng Yang verfasserin aut Rei-Cheng Yang verfasserin aut Jia-Yuh Chen verfasserin aut Tzu-Cheng Su verfasserin aut Yu-Jun Chang verfasserin aut Ching-Yuang Lin verfasserin aut Yi-Giien Tsai verfasserin aut Yi-Giien Tsai verfasserin aut Yi-Giien Tsai verfasserin aut In Frontiers in Pediatrics Frontiers Media S.A., 2013 9(2021) (DE-627)742738744 (DE-600)2711999-3 22962360 nnns volume:9 year:2021 https://doi.org/10.3389/fped.2021.616452 kostenfrei https://doaj.org/article/c7c4165ecd73454c8240d2fef797e117 kostenfrei https://www.frontiersin.org/articles/10.3389/fped.2021.616452/full kostenfrei https://doaj.org/toc/2296-2360 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2021
spelling	10.3389/fped.2021.616452 doi (DE-627)DOAJ00525762X (DE-599)DOAJc7c4165ecd73454c8240d2fef797e117 DE-627 ger DE-627 rakwb eng RJ1-570 Chien-Chou Hsiao verfasserin aut Heat Shock Protein-70 Levels Are Associated With a State of Oxidative Damage in the Development of Bronchopulmonary Dysplasia 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Heat shock protein-70 (Hsp-70) exhibits cytoprotective effects against oxidative stress-induced airway injury. This study aimed to examine Hsp-70 and 8-hydroxy-2′-deoxyguanosine (8-OHdG) from tracheal aspirates (TA) in very low-birth weight (VLBW) preterm infants to predict the development of bronchopulmonary dysplasia (BPD).Methods: This birth cohort study enrolled 109 VLBW preterm infants, including 32 infants who developed BPD. Hsp-70 and 8-OHdG concentrations from TA were measured by immunoassay. The apoptosis of TA epithelial cells obtained on Day 28 after birth was measured using annexin-V staining assay.Results: Hsp-70 and 8-OHdG levels in TA fluid were persistently increased from Day 1 to Day 28 of life in the BPD group. Multiple linear regression analysis demonstrated that BPD was significantly associated with gestational age, respiratory distress syndrome, and TA Hsp-70 and 8-OHdG levels on post-natal Day 28. The TA Hsp-70 level positively correlated with TA 8-OHdG level on the Day 1 (r = 0.47) and Day 28 of life (r = 0.68). Incubation of recombinant Hsp-70 with primary epithelial cells derived from TA of patients decreased hydrogen peroxide-induced epithelial cell death.Conclusions: Hsp-70 levels are associated with a state of oxidative injury in the development of BPD. heat shock protein-70 bronchopulmonary dysplasia preterm infants apoptosis oxidative stress Pediatrics Chien-Chou Hsiao verfasserin aut Chien-Chou Hsiao verfasserin aut Cheng-Han Lee verfasserin aut Rei-Cheng Yang verfasserin aut Rei-Cheng Yang verfasserin aut Jia-Yuh Chen verfasserin aut Tzu-Cheng Su verfasserin aut Yu-Jun Chang verfasserin aut Ching-Yuang Lin verfasserin aut Yi-Giien Tsai verfasserin aut Yi-Giien Tsai verfasserin aut Yi-Giien Tsai verfasserin aut In Frontiers in Pediatrics Frontiers Media S.A., 2013 9(2021) (DE-627)742738744 (DE-600)2711999-3 22962360 nnns volume:9 year:2021 https://doi.org/10.3389/fped.2021.616452 kostenfrei https://doaj.org/article/c7c4165ecd73454c8240d2fef797e117 kostenfrei https://www.frontiersin.org/articles/10.3389/fped.2021.616452/full kostenfrei https://doaj.org/toc/2296-2360 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2021
allfields_unstemmed	10.3389/fped.2021.616452 doi (DE-627)DOAJ00525762X (DE-599)DOAJc7c4165ecd73454c8240d2fef797e117 DE-627 ger DE-627 rakwb eng RJ1-570 Chien-Chou Hsiao verfasserin aut Heat Shock Protein-70 Levels Are Associated With a State of Oxidative Damage in the Development of Bronchopulmonary Dysplasia 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Heat shock protein-70 (Hsp-70) exhibits cytoprotective effects against oxidative stress-induced airway injury. This study aimed to examine Hsp-70 and 8-hydroxy-2′-deoxyguanosine (8-OHdG) from tracheal aspirates (TA) in very low-birth weight (VLBW) preterm infants to predict the development of bronchopulmonary dysplasia (BPD).Methods: This birth cohort study enrolled 109 VLBW preterm infants, including 32 infants who developed BPD. Hsp-70 and 8-OHdG concentrations from TA were measured by immunoassay. The apoptosis of TA epithelial cells obtained on Day 28 after birth was measured using annexin-V staining assay.Results: Hsp-70 and 8-OHdG levels in TA fluid were persistently increased from Day 1 to Day 28 of life in the BPD group. Multiple linear regression analysis demonstrated that BPD was significantly associated with gestational age, respiratory distress syndrome, and TA Hsp-70 and 8-OHdG levels on post-natal Day 28. The TA Hsp-70 level positively correlated with TA 8-OHdG level on the Day 1 (r = 0.47) and Day 28 of life (r = 0.68). Incubation of recombinant Hsp-70 with primary epithelial cells derived from TA of patients decreased hydrogen peroxide-induced epithelial cell death.Conclusions: Hsp-70 levels are associated with a state of oxidative injury in the development of BPD. heat shock protein-70 bronchopulmonary dysplasia preterm infants apoptosis oxidative stress Pediatrics Chien-Chou Hsiao verfasserin aut Chien-Chou Hsiao verfasserin aut Cheng-Han Lee verfasserin aut Rei-Cheng Yang verfasserin aut Rei-Cheng Yang verfasserin aut Jia-Yuh Chen verfasserin aut Tzu-Cheng Su verfasserin aut Yu-Jun Chang verfasserin aut Ching-Yuang Lin verfasserin aut Yi-Giien Tsai verfasserin aut Yi-Giien Tsai verfasserin aut Yi-Giien Tsai verfasserin aut In Frontiers in Pediatrics Frontiers Media S.A., 2013 9(2021) (DE-627)742738744 (DE-600)2711999-3 22962360 nnns volume:9 year:2021 https://doi.org/10.3389/fped.2021.616452 kostenfrei https://doaj.org/article/c7c4165ecd73454c8240d2fef797e117 kostenfrei https://www.frontiersin.org/articles/10.3389/fped.2021.616452/full kostenfrei https://doaj.org/toc/2296-2360 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2021
allfieldsGer	10.3389/fped.2021.616452 doi (DE-627)DOAJ00525762X (DE-599)DOAJc7c4165ecd73454c8240d2fef797e117 DE-627 ger DE-627 rakwb eng RJ1-570 Chien-Chou Hsiao verfasserin aut Heat Shock Protein-70 Levels Are Associated With a State of Oxidative Damage in the Development of Bronchopulmonary Dysplasia 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Heat shock protein-70 (Hsp-70) exhibits cytoprotective effects against oxidative stress-induced airway injury. This study aimed to examine Hsp-70 and 8-hydroxy-2′-deoxyguanosine (8-OHdG) from tracheal aspirates (TA) in very low-birth weight (VLBW) preterm infants to predict the development of bronchopulmonary dysplasia (BPD).Methods: This birth cohort study enrolled 109 VLBW preterm infants, including 32 infants who developed BPD. Hsp-70 and 8-OHdG concentrations from TA were measured by immunoassay. The apoptosis of TA epithelial cells obtained on Day 28 after birth was measured using annexin-V staining assay.Results: Hsp-70 and 8-OHdG levels in TA fluid were persistently increased from Day 1 to Day 28 of life in the BPD group. Multiple linear regression analysis demonstrated that BPD was significantly associated with gestational age, respiratory distress syndrome, and TA Hsp-70 and 8-OHdG levels on post-natal Day 28. The TA Hsp-70 level positively correlated with TA 8-OHdG level on the Day 1 (r = 0.47) and Day 28 of life (r = 0.68). Incubation of recombinant Hsp-70 with primary epithelial cells derived from TA of patients decreased hydrogen peroxide-induced epithelial cell death.Conclusions: Hsp-70 levels are associated with a state of oxidative injury in the development of BPD. heat shock protein-70 bronchopulmonary dysplasia preterm infants apoptosis oxidative stress Pediatrics Chien-Chou Hsiao verfasserin aut Chien-Chou Hsiao verfasserin aut Cheng-Han Lee verfasserin aut Rei-Cheng Yang verfasserin aut Rei-Cheng Yang verfasserin aut Jia-Yuh Chen verfasserin aut Tzu-Cheng Su verfasserin aut Yu-Jun Chang verfasserin aut Ching-Yuang Lin verfasserin aut Yi-Giien Tsai verfasserin aut Yi-Giien Tsai verfasserin aut Yi-Giien Tsai verfasserin aut In Frontiers in Pediatrics Frontiers Media S.A., 2013 9(2021) (DE-627)742738744 (DE-600)2711999-3 22962360 nnns volume:9 year:2021 https://doi.org/10.3389/fped.2021.616452 kostenfrei https://doaj.org/article/c7c4165ecd73454c8240d2fef797e117 kostenfrei https://www.frontiersin.org/articles/10.3389/fped.2021.616452/full kostenfrei https://doaj.org/toc/2296-2360 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2021
allfieldsSound	10.3389/fped.2021.616452 doi (DE-627)DOAJ00525762X (DE-599)DOAJc7c4165ecd73454c8240d2fef797e117 DE-627 ger DE-627 rakwb eng RJ1-570 Chien-Chou Hsiao verfasserin aut Heat Shock Protein-70 Levels Are Associated With a State of Oxidative Damage in the Development of Bronchopulmonary Dysplasia 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Heat shock protein-70 (Hsp-70) exhibits cytoprotective effects against oxidative stress-induced airway injury. This study aimed to examine Hsp-70 and 8-hydroxy-2′-deoxyguanosine (8-OHdG) from tracheal aspirates (TA) in very low-birth weight (VLBW) preterm infants to predict the development of bronchopulmonary dysplasia (BPD).Methods: This birth cohort study enrolled 109 VLBW preterm infants, including 32 infants who developed BPD. Hsp-70 and 8-OHdG concentrations from TA were measured by immunoassay. The apoptosis of TA epithelial cells obtained on Day 28 after birth was measured using annexin-V staining assay.Results: Hsp-70 and 8-OHdG levels in TA fluid were persistently increased from Day 1 to Day 28 of life in the BPD group. Multiple linear regression analysis demonstrated that BPD was significantly associated with gestational age, respiratory distress syndrome, and TA Hsp-70 and 8-OHdG levels on post-natal Day 28. The TA Hsp-70 level positively correlated with TA 8-OHdG level on the Day 1 (r = 0.47) and Day 28 of life (r = 0.68). Incubation of recombinant Hsp-70 with primary epithelial cells derived from TA of patients decreased hydrogen peroxide-induced epithelial cell death.Conclusions: Hsp-70 levels are associated with a state of oxidative injury in the development of BPD. heat shock protein-70 bronchopulmonary dysplasia preterm infants apoptosis oxidative stress Pediatrics Chien-Chou Hsiao verfasserin aut Chien-Chou Hsiao verfasserin aut Cheng-Han Lee verfasserin aut Rei-Cheng Yang verfasserin aut Rei-Cheng Yang verfasserin aut Jia-Yuh Chen verfasserin aut Tzu-Cheng Su verfasserin aut Yu-Jun Chang verfasserin aut Ching-Yuang Lin verfasserin aut Yi-Giien Tsai verfasserin aut Yi-Giien Tsai verfasserin aut Yi-Giien Tsai verfasserin aut In Frontiers in Pediatrics Frontiers Media S.A., 2013 9(2021) (DE-627)742738744 (DE-600)2711999-3 22962360 nnns volume:9 year:2021 https://doi.org/10.3389/fped.2021.616452 kostenfrei https://doaj.org/article/c7c4165ecd73454c8240d2fef797e117 kostenfrei https://www.frontiersin.org/articles/10.3389/fped.2021.616452/full kostenfrei https://doaj.org/toc/2296-2360 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2021
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callnumber-first	R - Medicine
author	Chien-Chou Hsiao
spellingShingle	Chien-Chou Hsiao misc RJ1-570 misc heat shock protein-70 misc bronchopulmonary dysplasia misc preterm infants misc apoptosis misc oxidative stress misc Pediatrics Heat Shock Protein-70 Levels Are Associated With a State of Oxidative Damage in the Development of Bronchopulmonary Dysplasia
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topic_title	RJ1-570 Heat Shock Protein-70 Levels Are Associated With a State of Oxidative Damage in the Development of Bronchopulmonary Dysplasia heat shock protein-70 bronchopulmonary dysplasia preterm infants apoptosis oxidative stress
topic	misc RJ1-570 misc heat shock protein-70 misc bronchopulmonary dysplasia misc preterm infants misc apoptosis misc oxidative stress misc Pediatrics
topic_unstemmed	misc RJ1-570 misc heat shock protein-70 misc bronchopulmonary dysplasia misc preterm infants misc apoptosis misc oxidative stress misc Pediatrics
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title	Heat Shock Protein-70 Levels Are Associated With a State of Oxidative Damage in the Development of Bronchopulmonary Dysplasia
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title_full	Heat Shock Protein-70 Levels Are Associated With a State of Oxidative Damage in the Development of Bronchopulmonary Dysplasia
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title_sort	heat shock protein-70 levels are associated with a state of oxidative damage in the development of bronchopulmonary dysplasia
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title_auth	Heat Shock Protein-70 Levels Are Associated With a State of Oxidative Damage in the Development of Bronchopulmonary Dysplasia
abstract	Background: Heat shock protein-70 (Hsp-70) exhibits cytoprotective effects against oxidative stress-induced airway injury. This study aimed to examine Hsp-70 and 8-hydroxy-2′-deoxyguanosine (8-OHdG) from tracheal aspirates (TA) in very low-birth weight (VLBW) preterm infants to predict the development of bronchopulmonary dysplasia (BPD).Methods: This birth cohort study enrolled 109 VLBW preterm infants, including 32 infants who developed BPD. Hsp-70 and 8-OHdG concentrations from TA were measured by immunoassay. The apoptosis of TA epithelial cells obtained on Day 28 after birth was measured using annexin-V staining assay.Results: Hsp-70 and 8-OHdG levels in TA fluid were persistently increased from Day 1 to Day 28 of life in the BPD group. Multiple linear regression analysis demonstrated that BPD was significantly associated with gestational age, respiratory distress syndrome, and TA Hsp-70 and 8-OHdG levels on post-natal Day 28. The TA Hsp-70 level positively correlated with TA 8-OHdG level on the Day 1 (r = 0.47) and Day 28 of life (r = 0.68). Incubation of recombinant Hsp-70 with primary epithelial cells derived from TA of patients decreased hydrogen peroxide-induced epithelial cell death.Conclusions: Hsp-70 levels are associated with a state of oxidative injury in the development of BPD.
abstractGer	Background: Heat shock protein-70 (Hsp-70) exhibits cytoprotective effects against oxidative stress-induced airway injury. This study aimed to examine Hsp-70 and 8-hydroxy-2′-deoxyguanosine (8-OHdG) from tracheal aspirates (TA) in very low-birth weight (VLBW) preterm infants to predict the development of bronchopulmonary dysplasia (BPD).Methods: This birth cohort study enrolled 109 VLBW preterm infants, including 32 infants who developed BPD. Hsp-70 and 8-OHdG concentrations from TA were measured by immunoassay. The apoptosis of TA epithelial cells obtained on Day 28 after birth was measured using annexin-V staining assay.Results: Hsp-70 and 8-OHdG levels in TA fluid were persistently increased from Day 1 to Day 28 of life in the BPD group. Multiple linear regression analysis demonstrated that BPD was significantly associated with gestational age, respiratory distress syndrome, and TA Hsp-70 and 8-OHdG levels on post-natal Day 28. The TA Hsp-70 level positively correlated with TA 8-OHdG level on the Day 1 (r = 0.47) and Day 28 of life (r = 0.68). Incubation of recombinant Hsp-70 with primary epithelial cells derived from TA of patients decreased hydrogen peroxide-induced epithelial cell death.Conclusions: Hsp-70 levels are associated with a state of oxidative injury in the development of BPD.
abstract_unstemmed	Background: Heat shock protein-70 (Hsp-70) exhibits cytoprotective effects against oxidative stress-induced airway injury. This study aimed to examine Hsp-70 and 8-hydroxy-2′-deoxyguanosine (8-OHdG) from tracheal aspirates (TA) in very low-birth weight (VLBW) preterm infants to predict the development of bronchopulmonary dysplasia (BPD).Methods: This birth cohort study enrolled 109 VLBW preterm infants, including 32 infants who developed BPD. Hsp-70 and 8-OHdG concentrations from TA were measured by immunoassay. The apoptosis of TA epithelial cells obtained on Day 28 after birth was measured using annexin-V staining assay.Results: Hsp-70 and 8-OHdG levels in TA fluid were persistently increased from Day 1 to Day 28 of life in the BPD group. Multiple linear regression analysis demonstrated that BPD was significantly associated with gestational age, respiratory distress syndrome, and TA Hsp-70 and 8-OHdG levels on post-natal Day 28. The TA Hsp-70 level positively correlated with TA 8-OHdG level on the Day 1 (r = 0.47) and Day 28 of life (r = 0.68). Incubation of recombinant Hsp-70 with primary epithelial cells derived from TA of patients decreased hydrogen peroxide-induced epithelial cell death.Conclusions: Hsp-70 levels are associated with a state of oxidative injury in the development of BPD.
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title_short	Heat Shock Protein-70 Levels Are Associated With a State of Oxidative Damage in the Development of Bronchopulmonary Dysplasia
url	https://doi.org/10.3389/fped.2021.616452 https://doaj.org/article/c7c4165ecd73454c8240d2fef797e117 https://www.frontiersin.org/articles/10.3389/fped.2021.616452/full https://doaj.org/toc/2296-2360
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This study aimed to examine Hsp-70 and 8-hydroxy-2′-deoxyguanosine (8-OHdG) from tracheal aspirates (TA) in very low-birth weight (VLBW) preterm infants to predict the development of bronchopulmonary dysplasia (BPD).Methods: This birth cohort study enrolled 109 VLBW preterm infants, including 32 infants who developed BPD. Hsp-70 and 8-OHdG concentrations from TA were measured by immunoassay. The apoptosis of TA epithelial cells obtained on Day 28 after birth was measured using annexin-V staining assay.Results: Hsp-70 and 8-OHdG levels in TA fluid were persistently increased from Day 1 to Day 28 of life in the BPD group. Multiple linear regression analysis demonstrated that BPD was significantly associated with gestational age, respiratory distress syndrome, and TA Hsp-70 and 8-OHdG levels on post-natal Day 28. The TA Hsp-70 level positively correlated with TA 8-OHdG level on the Day 1 (r = 0.47) and Day 28 of life (r = 0.68). 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Heat Shock Protein-70 Levels Are Associated With a State of Oxidative Damage in the Development of Bronchopulmonary Dysplasia

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