Protein Kinase A Activation Promotes Cancer Cell Resistance to Glucose Starvation and Anoikis.

Cancer cells often rely on glycolysis to obtain energy and support anabolic growth. Several studies showed that glycolytic cells are susceptible to cell death when subjected to low glucose availability or to lack of glucose. However, some cancer cells, including glycolytic ones, can efficiently acqu...
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Autor*in:	Roberta Palorini [verfasserIn] Giuseppina Votta [verfasserIn] Yuri Pirola [verfasserIn] Humberto De Vitto [verfasserIn] Sara De Palma [verfasserIn] Cristina Airoldi [verfasserIn] Michele Vasso [verfasserIn] Francesca Ricciardiello [verfasserIn] Pietro Paolo Lombardi [verfasserIn] Claudia Cirulli [verfasserIn] Raffaella Rizzi [verfasserIn] Francesco Nicotra [verfasserIn] Karsten Hiller [verfasserIn] Cecilia Gelfi [verfasserIn] Lilia Alberghina [verfasserIn] Ferdinando Chiaradonna [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2016

Übergeordnetes Werk:	In: PLoS Genetics - Public Library of Science (PLoS), 2005, 12(2016), 3, p e1005931
Übergeordnetes Werk:	volume:12 ; year:2016 ; number:3, p e1005931

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.1371/journal.pgen.1005931

Katalog-ID:	DOAJ046453709

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520			\|a Cancer cells often rely on glycolysis to obtain energy and support anabolic growth. Several studies showed that glycolytic cells are susceptible to cell death when subjected to low glucose availability or to lack of glucose. However, some cancer cells, including glycolytic ones, can efficiently acquire higher tolerance to glucose depletion, leading to their survival and aggressiveness. Although increased resistance to glucose starvation has been shown to be a consequence of signaling pathways and compensatory metabolic routes activation, the full repertoire of the underlying molecular alterations remain elusive. Using omics and computational analyses, we found that cyclic adenosine monophosphate-Protein Kinase A (cAMP-PKA) axis activation is fundamental for cancer cell resistance to glucose starvation and anoikis. Notably, here we show that such a PKA-dependent survival is mediated by parallel activation of autophagy and glutamine utilization that in concert concur to attenuate the endoplasmic reticulum (ER) stress and to sustain cell anabolism. Indeed, the inhibition of PKA-mediated autophagy or glutamine metabolism increased the level of cell death, suggesting that the induction of autophagy and metabolic rewiring by PKA is important for cancer cellular survival under glucose starvation. Importantly, both processes actively participate to cancer cell survival mediated by suspension-activated PKA as well. In addition we identify also a PKA/Src mechanism capable to protect cancer cells from anoikis. Our results reveal for the first time the role of the versatile PKA in cancer cells survival under chronic glucose starvation and anoikis and may be a novel potential target for cancer treatment.
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allfields	10.1371/journal.pgen.1005931 doi (DE-627)DOAJ046453709 (DE-599)DOAJ1dffd9bb091d49a68263f73cbf38e7da DE-627 ger DE-627 rakwb eng QH426-470 Roberta Palorini verfasserin aut Protein Kinase A Activation Promotes Cancer Cell Resistance to Glucose Starvation and Anoikis. 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Cancer cells often rely on glycolysis to obtain energy and support anabolic growth. Several studies showed that glycolytic cells are susceptible to cell death when subjected to low glucose availability or to lack of glucose. However, some cancer cells, including glycolytic ones, can efficiently acquire higher tolerance to glucose depletion, leading to their survival and aggressiveness. Although increased resistance to glucose starvation has been shown to be a consequence of signaling pathways and compensatory metabolic routes activation, the full repertoire of the underlying molecular alterations remain elusive. Using omics and computational analyses, we found that cyclic adenosine monophosphate-Protein Kinase A (cAMP-PKA) axis activation is fundamental for cancer cell resistance to glucose starvation and anoikis. Notably, here we show that such a PKA-dependent survival is mediated by parallel activation of autophagy and glutamine utilization that in concert concur to attenuate the endoplasmic reticulum (ER) stress and to sustain cell anabolism. Indeed, the inhibition of PKA-mediated autophagy or glutamine metabolism increased the level of cell death, suggesting that the induction of autophagy and metabolic rewiring by PKA is important for cancer cellular survival under glucose starvation. Importantly, both processes actively participate to cancer cell survival mediated by suspension-activated PKA as well. In addition we identify also a PKA/Src mechanism capable to protect cancer cells from anoikis. Our results reveal for the first time the role of the versatile PKA in cancer cells survival under chronic glucose starvation and anoikis and may be a novel potential target for cancer treatment. Genetics Giuseppina Votta verfasserin aut Yuri Pirola verfasserin aut Humberto De Vitto verfasserin aut Sara De Palma verfasserin aut Cristina Airoldi verfasserin aut Michele Vasso verfasserin aut Francesca Ricciardiello verfasserin aut Pietro Paolo Lombardi verfasserin aut Claudia Cirulli verfasserin aut Raffaella Rizzi verfasserin aut Francesco Nicotra verfasserin aut Karsten Hiller verfasserin aut Cecilia Gelfi verfasserin aut Lilia Alberghina verfasserin aut Ferdinando Chiaradonna verfasserin aut In PLoS Genetics Public Library of Science (PLoS), 2005 12(2016), 3, p e1005931 (DE-627)485248026 (DE-600)2186725-2 15537404 nnns volume:12 year:2016 number:3, p e1005931 https://doi.org/10.1371/journal.pgen.1005931 kostenfrei https://doaj.org/article/1dffd9bb091d49a68263f73cbf38e7da kostenfrei http://europepmc.org/articles/PMC4792400?pdf=render kostenfrei https://doaj.org/toc/1553-7390 Journal toc kostenfrei https://doaj.org/toc/1553-7404 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 12 2016 3, p e1005931
spelling	10.1371/journal.pgen.1005931 doi (DE-627)DOAJ046453709 (DE-599)DOAJ1dffd9bb091d49a68263f73cbf38e7da DE-627 ger DE-627 rakwb eng QH426-470 Roberta Palorini verfasserin aut Protein Kinase A Activation Promotes Cancer Cell Resistance to Glucose Starvation and Anoikis. 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Cancer cells often rely on glycolysis to obtain energy and support anabolic growth. Several studies showed that glycolytic cells are susceptible to cell death when subjected to low glucose availability or to lack of glucose. However, some cancer cells, including glycolytic ones, can efficiently acquire higher tolerance to glucose depletion, leading to their survival and aggressiveness. Although increased resistance to glucose starvation has been shown to be a consequence of signaling pathways and compensatory metabolic routes activation, the full repertoire of the underlying molecular alterations remain elusive. Using omics and computational analyses, we found that cyclic adenosine monophosphate-Protein Kinase A (cAMP-PKA) axis activation is fundamental for cancer cell resistance to glucose starvation and anoikis. Notably, here we show that such a PKA-dependent survival is mediated by parallel activation of autophagy and glutamine utilization that in concert concur to attenuate the endoplasmic reticulum (ER) stress and to sustain cell anabolism. Indeed, the inhibition of PKA-mediated autophagy or glutamine metabolism increased the level of cell death, suggesting that the induction of autophagy and metabolic rewiring by PKA is important for cancer cellular survival under glucose starvation. Importantly, both processes actively participate to cancer cell survival mediated by suspension-activated PKA as well. In addition we identify also a PKA/Src mechanism capable to protect cancer cells from anoikis. Our results reveal for the first time the role of the versatile PKA in cancer cells survival under chronic glucose starvation and anoikis and may be a novel potential target for cancer treatment. Genetics Giuseppina Votta verfasserin aut Yuri Pirola verfasserin aut Humberto De Vitto verfasserin aut Sara De Palma verfasserin aut Cristina Airoldi verfasserin aut Michele Vasso verfasserin aut Francesca Ricciardiello verfasserin aut Pietro Paolo Lombardi verfasserin aut Claudia Cirulli verfasserin aut Raffaella Rizzi verfasserin aut Francesco Nicotra verfasserin aut Karsten Hiller verfasserin aut Cecilia Gelfi verfasserin aut Lilia Alberghina verfasserin aut Ferdinando Chiaradonna verfasserin aut In PLoS Genetics Public Library of Science (PLoS), 2005 12(2016), 3, p e1005931 (DE-627)485248026 (DE-600)2186725-2 15537404 nnns volume:12 year:2016 number:3, p e1005931 https://doi.org/10.1371/journal.pgen.1005931 kostenfrei https://doaj.org/article/1dffd9bb091d49a68263f73cbf38e7da kostenfrei http://europepmc.org/articles/PMC4792400?pdf=render kostenfrei https://doaj.org/toc/1553-7390 Journal toc kostenfrei https://doaj.org/toc/1553-7404 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 12 2016 3, p e1005931
allfields_unstemmed	10.1371/journal.pgen.1005931 doi (DE-627)DOAJ046453709 (DE-599)DOAJ1dffd9bb091d49a68263f73cbf38e7da DE-627 ger DE-627 rakwb eng QH426-470 Roberta Palorini verfasserin aut Protein Kinase A Activation Promotes Cancer Cell Resistance to Glucose Starvation and Anoikis. 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Cancer cells often rely on glycolysis to obtain energy and support anabolic growth. Several studies showed that glycolytic cells are susceptible to cell death when subjected to low glucose availability or to lack of glucose. However, some cancer cells, including glycolytic ones, can efficiently acquire higher tolerance to glucose depletion, leading to their survival and aggressiveness. Although increased resistance to glucose starvation has been shown to be a consequence of signaling pathways and compensatory metabolic routes activation, the full repertoire of the underlying molecular alterations remain elusive. Using omics and computational analyses, we found that cyclic adenosine monophosphate-Protein Kinase A (cAMP-PKA) axis activation is fundamental for cancer cell resistance to glucose starvation and anoikis. Notably, here we show that such a PKA-dependent survival is mediated by parallel activation of autophagy and glutamine utilization that in concert concur to attenuate the endoplasmic reticulum (ER) stress and to sustain cell anabolism. Indeed, the inhibition of PKA-mediated autophagy or glutamine metabolism increased the level of cell death, suggesting that the induction of autophagy and metabolic rewiring by PKA is important for cancer cellular survival under glucose starvation. Importantly, both processes actively participate to cancer cell survival mediated by suspension-activated PKA as well. In addition we identify also a PKA/Src mechanism capable to protect cancer cells from anoikis. Our results reveal for the first time the role of the versatile PKA in cancer cells survival under chronic glucose starvation and anoikis and may be a novel potential target for cancer treatment. Genetics Giuseppina Votta verfasserin aut Yuri Pirola verfasserin aut Humberto De Vitto verfasserin aut Sara De Palma verfasserin aut Cristina Airoldi verfasserin aut Michele Vasso verfasserin aut Francesca Ricciardiello verfasserin aut Pietro Paolo Lombardi verfasserin aut Claudia Cirulli verfasserin aut Raffaella Rizzi verfasserin aut Francesco Nicotra verfasserin aut Karsten Hiller verfasserin aut Cecilia Gelfi verfasserin aut Lilia Alberghina verfasserin aut Ferdinando Chiaradonna verfasserin aut In PLoS Genetics Public Library of Science (PLoS), 2005 12(2016), 3, p e1005931 (DE-627)485248026 (DE-600)2186725-2 15537404 nnns volume:12 year:2016 number:3, p e1005931 https://doi.org/10.1371/journal.pgen.1005931 kostenfrei https://doaj.org/article/1dffd9bb091d49a68263f73cbf38e7da kostenfrei http://europepmc.org/articles/PMC4792400?pdf=render kostenfrei https://doaj.org/toc/1553-7390 Journal toc kostenfrei https://doaj.org/toc/1553-7404 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 12 2016 3, p e1005931
allfieldsGer	10.1371/journal.pgen.1005931 doi (DE-627)DOAJ046453709 (DE-599)DOAJ1dffd9bb091d49a68263f73cbf38e7da DE-627 ger DE-627 rakwb eng QH426-470 Roberta Palorini verfasserin aut Protein Kinase A Activation Promotes Cancer Cell Resistance to Glucose Starvation and Anoikis. 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Cancer cells often rely on glycolysis to obtain energy and support anabolic growth. Several studies showed that glycolytic cells are susceptible to cell death when subjected to low glucose availability or to lack of glucose. However, some cancer cells, including glycolytic ones, can efficiently acquire higher tolerance to glucose depletion, leading to their survival and aggressiveness. Although increased resistance to glucose starvation has been shown to be a consequence of signaling pathways and compensatory metabolic routes activation, the full repertoire of the underlying molecular alterations remain elusive. Using omics and computational analyses, we found that cyclic adenosine monophosphate-Protein Kinase A (cAMP-PKA) axis activation is fundamental for cancer cell resistance to glucose starvation and anoikis. Notably, here we show that such a PKA-dependent survival is mediated by parallel activation of autophagy and glutamine utilization that in concert concur to attenuate the endoplasmic reticulum (ER) stress and to sustain cell anabolism. Indeed, the inhibition of PKA-mediated autophagy or glutamine metabolism increased the level of cell death, suggesting that the induction of autophagy and metabolic rewiring by PKA is important for cancer cellular survival under glucose starvation. Importantly, both processes actively participate to cancer cell survival mediated by suspension-activated PKA as well. In addition we identify also a PKA/Src mechanism capable to protect cancer cells from anoikis. Our results reveal for the first time the role of the versatile PKA in cancer cells survival under chronic glucose starvation and anoikis and may be a novel potential target for cancer treatment. Genetics Giuseppina Votta verfasserin aut Yuri Pirola verfasserin aut Humberto De Vitto verfasserin aut Sara De Palma verfasserin aut Cristina Airoldi verfasserin aut Michele Vasso verfasserin aut Francesca Ricciardiello verfasserin aut Pietro Paolo Lombardi verfasserin aut Claudia Cirulli verfasserin aut Raffaella Rizzi verfasserin aut Francesco Nicotra verfasserin aut Karsten Hiller verfasserin aut Cecilia Gelfi verfasserin aut Lilia Alberghina verfasserin aut Ferdinando Chiaradonna verfasserin aut In PLoS Genetics Public Library of Science (PLoS), 2005 12(2016), 3, p e1005931 (DE-627)485248026 (DE-600)2186725-2 15537404 nnns volume:12 year:2016 number:3, p e1005931 https://doi.org/10.1371/journal.pgen.1005931 kostenfrei https://doaj.org/article/1dffd9bb091d49a68263f73cbf38e7da kostenfrei http://europepmc.org/articles/PMC4792400?pdf=render kostenfrei https://doaj.org/toc/1553-7390 Journal toc kostenfrei https://doaj.org/toc/1553-7404 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 12 2016 3, p e1005931
allfieldsSound	10.1371/journal.pgen.1005931 doi (DE-627)DOAJ046453709 (DE-599)DOAJ1dffd9bb091d49a68263f73cbf38e7da DE-627 ger DE-627 rakwb eng QH426-470 Roberta Palorini verfasserin aut Protein Kinase A Activation Promotes Cancer Cell Resistance to Glucose Starvation and Anoikis. 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Cancer cells often rely on glycolysis to obtain energy and support anabolic growth. Several studies showed that glycolytic cells are susceptible to cell death when subjected to low glucose availability or to lack of glucose. However, some cancer cells, including glycolytic ones, can efficiently acquire higher tolerance to glucose depletion, leading to their survival and aggressiveness. Although increased resistance to glucose starvation has been shown to be a consequence of signaling pathways and compensatory metabolic routes activation, the full repertoire of the underlying molecular alterations remain elusive. Using omics and computational analyses, we found that cyclic adenosine monophosphate-Protein Kinase A (cAMP-PKA) axis activation is fundamental for cancer cell resistance to glucose starvation and anoikis. Notably, here we show that such a PKA-dependent survival is mediated by parallel activation of autophagy and glutamine utilization that in concert concur to attenuate the endoplasmic reticulum (ER) stress and to sustain cell anabolism. Indeed, the inhibition of PKA-mediated autophagy or glutamine metabolism increased the level of cell death, suggesting that the induction of autophagy and metabolic rewiring by PKA is important for cancer cellular survival under glucose starvation. Importantly, both processes actively participate to cancer cell survival mediated by suspension-activated PKA as well. In addition we identify also a PKA/Src mechanism capable to protect cancer cells from anoikis. Our results reveal for the first time the role of the versatile PKA in cancer cells survival under chronic glucose starvation and anoikis and may be a novel potential target for cancer treatment. Genetics Giuseppina Votta verfasserin aut Yuri Pirola verfasserin aut Humberto De Vitto verfasserin aut Sara De Palma verfasserin aut Cristina Airoldi verfasserin aut Michele Vasso verfasserin aut Francesca Ricciardiello verfasserin aut Pietro Paolo Lombardi verfasserin aut Claudia Cirulli verfasserin aut Raffaella Rizzi verfasserin aut Francesco Nicotra verfasserin aut Karsten Hiller verfasserin aut Cecilia Gelfi verfasserin aut Lilia Alberghina verfasserin aut Ferdinando Chiaradonna verfasserin aut In PLoS Genetics Public Library of Science (PLoS), 2005 12(2016), 3, p e1005931 (DE-627)485248026 (DE-600)2186725-2 15537404 nnns volume:12 year:2016 number:3, p e1005931 https://doi.org/10.1371/journal.pgen.1005931 kostenfrei https://doaj.org/article/1dffd9bb091d49a68263f73cbf38e7da kostenfrei http://europepmc.org/articles/PMC4792400?pdf=render kostenfrei https://doaj.org/toc/1553-7390 Journal toc kostenfrei https://doaj.org/toc/1553-7404 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 12 2016 3, p e1005931
language	English
source	In PLoS Genetics 12(2016), 3, p e1005931 volume:12 year:2016 number:3, p e1005931
sourceStr	In PLoS Genetics 12(2016), 3, p e1005931 volume:12 year:2016 number:3, p e1005931
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Genetics
isfreeaccess_bool	true
container_title	PLoS Genetics
authorswithroles_txt_mv	Roberta Palorini @@aut@@ Giuseppina Votta @@aut@@ Yuri Pirola @@aut@@ Humberto De Vitto @@aut@@ Sara De Palma @@aut@@ Cristina Airoldi @@aut@@ Michele Vasso @@aut@@ Francesca Ricciardiello @@aut@@ Pietro Paolo Lombardi @@aut@@ Claudia Cirulli @@aut@@ Raffaella Rizzi @@aut@@ Francesco Nicotra @@aut@@ Karsten Hiller @@aut@@ Cecilia Gelfi @@aut@@ Lilia Alberghina @@aut@@ Ferdinando Chiaradonna @@aut@@
publishDateDaySort_date	2016-01-01T00:00:00Z
hierarchy_top_id	485248026
id	DOAJ046453709
language_de	englisch
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title	Protein Kinase A Activation Promotes Cancer Cell Resistance to Glucose Starvation and Anoikis.
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title_sort	protein kinase a activation promotes cancer cell resistance to glucose starvation and anoikis
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title_auth	Protein Kinase A Activation Promotes Cancer Cell Resistance to Glucose Starvation and Anoikis.
abstract	Cancer cells often rely on glycolysis to obtain energy and support anabolic growth. Several studies showed that glycolytic cells are susceptible to cell death when subjected to low glucose availability or to lack of glucose. However, some cancer cells, including glycolytic ones, can efficiently acquire higher tolerance to glucose depletion, leading to their survival and aggressiveness. Although increased resistance to glucose starvation has been shown to be a consequence of signaling pathways and compensatory metabolic routes activation, the full repertoire of the underlying molecular alterations remain elusive. Using omics and computational analyses, we found that cyclic adenosine monophosphate-Protein Kinase A (cAMP-PKA) axis activation is fundamental for cancer cell resistance to glucose starvation and anoikis. Notably, here we show that such a PKA-dependent survival is mediated by parallel activation of autophagy and glutamine utilization that in concert concur to attenuate the endoplasmic reticulum (ER) stress and to sustain cell anabolism. Indeed, the inhibition of PKA-mediated autophagy or glutamine metabolism increased the level of cell death, suggesting that the induction of autophagy and metabolic rewiring by PKA is important for cancer cellular survival under glucose starvation. Importantly, both processes actively participate to cancer cell survival mediated by suspension-activated PKA as well. In addition we identify also a PKA/Src mechanism capable to protect cancer cells from anoikis. Our results reveal for the first time the role of the versatile PKA in cancer cells survival under chronic glucose starvation and anoikis and may be a novel potential target for cancer treatment.
abstractGer	Cancer cells often rely on glycolysis to obtain energy and support anabolic growth. Several studies showed that glycolytic cells are susceptible to cell death when subjected to low glucose availability or to lack of glucose. However, some cancer cells, including glycolytic ones, can efficiently acquire higher tolerance to glucose depletion, leading to their survival and aggressiveness. Although increased resistance to glucose starvation has been shown to be a consequence of signaling pathways and compensatory metabolic routes activation, the full repertoire of the underlying molecular alterations remain elusive. Using omics and computational analyses, we found that cyclic adenosine monophosphate-Protein Kinase A (cAMP-PKA) axis activation is fundamental for cancer cell resistance to glucose starvation and anoikis. Notably, here we show that such a PKA-dependent survival is mediated by parallel activation of autophagy and glutamine utilization that in concert concur to attenuate the endoplasmic reticulum (ER) stress and to sustain cell anabolism. Indeed, the inhibition of PKA-mediated autophagy or glutamine metabolism increased the level of cell death, suggesting that the induction of autophagy and metabolic rewiring by PKA is important for cancer cellular survival under glucose starvation. Importantly, both processes actively participate to cancer cell survival mediated by suspension-activated PKA as well. In addition we identify also a PKA/Src mechanism capable to protect cancer cells from anoikis. Our results reveal for the first time the role of the versatile PKA in cancer cells survival under chronic glucose starvation and anoikis and may be a novel potential target for cancer treatment.
abstract_unstemmed	Cancer cells often rely on glycolysis to obtain energy and support anabolic growth. Several studies showed that glycolytic cells are susceptible to cell death when subjected to low glucose availability or to lack of glucose. However, some cancer cells, including glycolytic ones, can efficiently acquire higher tolerance to glucose depletion, leading to their survival and aggressiveness. Although increased resistance to glucose starvation has been shown to be a consequence of signaling pathways and compensatory metabolic routes activation, the full repertoire of the underlying molecular alterations remain elusive. Using omics and computational analyses, we found that cyclic adenosine monophosphate-Protein Kinase A (cAMP-PKA) axis activation is fundamental for cancer cell resistance to glucose starvation and anoikis. Notably, here we show that such a PKA-dependent survival is mediated by parallel activation of autophagy and glutamine utilization that in concert concur to attenuate the endoplasmic reticulum (ER) stress and to sustain cell anabolism. Indeed, the inhibition of PKA-mediated autophagy or glutamine metabolism increased the level of cell death, suggesting that the induction of autophagy and metabolic rewiring by PKA is important for cancer cellular survival under glucose starvation. Importantly, both processes actively participate to cancer cell survival mediated by suspension-activated PKA as well. In addition we identify also a PKA/Src mechanism capable to protect cancer cells from anoikis. Our results reveal for the first time the role of the versatile PKA in cancer cells survival under chronic glucose starvation and anoikis and may be a novel potential target for cancer treatment.
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title_short	Protein Kinase A Activation Promotes Cancer Cell Resistance to Glucose Starvation and Anoikis.
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Protein Kinase A Activation Promotes Cancer Cell Resistance to Glucose Starvation and Anoikis.

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