Laura Willems

Cardiac and coronary function in the Langendorff-perfused mouse heart model (2008)

Reichelt, Melissa Elizabeth, Willems, Laura, Hack, Benjamin A., Peart, Jason Nigel John, Headrick, John Patrick

The Langendorff mouse heart model is widely employed in studies of myocardial function and responses to injury (e.g. ischaemia). Nonetheless, marked variability exists in its preparation and...

Cardiac and coronary function in the Langendorff-perfused mouse heart model (2008)

Reichelt, Melissa Elizabeth, Willems, Laura, Hack, Benjamin A., Peart, Jason Nigel John, Headrick, John Patrick

The Langendorff mouse heart model is widely employed in studies of myocardial function and responses to injury (e.g. ischaemia). Nonetheless, marked variability exists in its preparation and...

Age-associated shifts in cardiac gene transcription and transcriptional responses to ischemic stress (2006)

Ashton, Kevin John, Willems, Laura, Holmgren, Kirsty, Ferreira, Linda Anne, Headrick, John Patrick

Aged hearts exhibit reduced tolerance to ischemia-reperfusion, together with altered structure and post-ischemic remodelling. The molecular bases of such changes are unclear. Using cDNA microarrays...

Effects of adenosine deaminase and A1 receptor deficiency in normoxic and ischaemic mouse hearts (2006)

Willems, Laura, Reichelt, Melissa Elizabeth, Molina, Jose G, Sun, Chun-Xiao, Chunn, Janci L, Ashton, Kevin John, ...

OBJECTIVE: Adenosine deaminase (ADA) may be multifunctional, regulating adenosine levels and adenosine receptor (AR) agonism, and potentially modifying AR functionality. Herein we assess effects of...

Age-associated shifts in cardiac gene transcription and transcriptional responses to ischemic stress (2006)

Ashton, Kevin John, Willems, Laura, Holmgren, Kirsty, Ferreira, Linda Anne, Headrick, John Patrick

Aged hearts exhibit reduced tolerance to ischemia-reperfusion, together with altered structure and post-ischemic remodelling. The molecular bases of such changes are unclear. Using cDNA microarrays...

Effects of adenosine deaminase and A1 receptor deficiency in normoxic and ischaemic mouse hearts (2006)

Willems, Laura, Reichelt, Melissa Elizabeth, Molina, Jose G, Sun, Chun-Xiao, Chunn, Janci L, Ashton, Kevin John, ...

OBJECTIVE: Adenosine deaminase (ADA) may be multifunctional, regulating adenosine levels and adenosine receptor (AR) agonism, and potentially modifying AR functionality. Herein we assess effects of...

Age-associated shifts in cardiac gene transcription and transcriptional responses to ischemic stress (2006)

Ashton, Kevin John, Willems, Laura, Holmgren, Kirsty, Ferreira, Linda Anne, Headrick, John Patrick

Aged hearts exhibit reduced tolerance to ischemia-reperfusion, together with altered structure and post-ischemic remodelling. The molecular bases of such changes are unclear. Using cDNA microarrays...

Effects of adenosine deaminase and A1 receptor deficiency in normoxic and ischaemic mouse hearts (2006)

Willems, Laura, Reichelt, Melissa Elizabeth, Molina, Jose G, Sun, Chun-Xiao, Chunn, Janci L, Ashton, Kevin John, ...

OBJECTIVE: Adenosine deaminase (ADA) may be multifunctional, regulating adenosine levels and adenosine receptor (AR) agonism, and potentially modifying AR functionality. Herein we assess effects of...

Age-associated shifts in cardiac gene transcription and transcriptional responses to ischemic stress (2006)

Ashton, Kevin John, Willems, Laura, Holmgren, Kirsty, Ferreira, Linda Anne, Headrick, John Patrick

Aged hearts exhibit reduced tolerance to ischemia-reperfusion, together with altered structure and post-ischemic remodelling. The molecular bases of such changes are unclear. Using cDNA microarrays...

Effects of adenosine deaminase and A1 receptor deficiency in normoxic and ischaemic mouse hearts (2006)

Willems, Laura, Reichelt, Melissa Elizabeth, Molina, Jose G, Sun, Chun-Xiao, Chunn, Janci L, Ashton, Kevin John, ...

OBJECTIVE: Adenosine deaminase (ADA) may be multifunctional, regulating adenosine levels and adenosine receptor (AR) agonism, and potentially modifying AR functionality. Herein we assess effects of...

Effects of adenosine deaminase and A1 receptor deficiency in normoxic and ischaemic mouse hearts (2006)

Willems, Laura, Reichelt, Melissa E., Molina, Jose G., Sun, Chun-Xiao, Chunn, Janci L., Ashton, Kevin J., ...

Objective Adenosine deaminase (ADA) may be multifunctional, regulating adenosine levels and adenosine receptor (AR) agonism, and potentially modifying AR functionality. Herein we assess effects of...

Protecting murine hearts from ischaemia-reperfusion using selective inhibitors of adenosine metabolism (2005)

Willems, Laura, Headrick, John Patrick

1. By selectively modifying adenosine metabolism via adenosine deaminase or adenosine kinase inhibitors, it may be possible to enhance the receptor-mediated protective actions of adenosine in a site-...

Protecting murine hearts from ischaemia-reperfusion using selective inhibitors of adenosine metabolism (2005)

Willems, Laura, Headrick, John Patrick

1. By selectively modifying adenosine metabolism via adenosine deaminase or adenosine kinase inhibitors, it may be possible to enhance the receptor-mediated protective actions of adenosine in a site-...

Protecting murine hearts from ischaemia-reperfusion using selective inhibitors of adenosine metabolism (2005)

Willems, Laura, Headrick, John Patrick

1. By selectively modifying adenosine metabolism via adenosine deaminase or adenosine kinase inhibitors, it may be possible to enhance the receptor-mediated protective actions of adenosine in a site-...

Protecting murine hearts from ischaemia-reperfusion using selective inhibitors of adenosine metabolism (2005)

Willems, Laura, Headrick, John Patrick

1. By selectively modifying adenosine metabolism via adenosine deaminase or adenosine kinase inhibitors, it may be possible to enhance the receptor-mediated protective actions of adenosine in a site-...

Adenosine-mediated cardioprotection in the aging myocardium (2005)

Willems, Laura, Ashton, Kevin J., Headrick, John P.

With aging, it appears the heart's ability to withstand injury declines markedly. Unfortunately, the incidence of ischemic disorders increases dramatically with age. Though the genesis of the...

Ischaemic tolerance in aged mouse myocardium: the role of adenosine and effects of A1 adenosine receptor overexpression (2003)

Headrick, John Patrick, Willems, Laura, Ashton, Kevin John, Holmgren, Kirsty, Peart, Jason Nigel John, Matherne, G. Paul

The genesis of the ischaemia intolerant phenotype in aged myocardium is poorly understood. We tested the hypothesis that impaired adenosine-mediated protection contributes to ischaemic intolerance,...

Aging-related changes in myocardial purine metabolism and ischemic tolerance (2003)

Willems, Laura, Garnham, Bronwyn Gaye, Headrick, John Patrick

Impaired tolerance to ischemia-reperfusion in older hearts may stem in part from alterations in purine catabolism, impacting on maintenance of energy state and protective signaling via extracellular...

Ischaemic tolerance in aged mouse myocardium: the role of adenosine and effects of A1 adenosine receptor overexpression (2003)

Headrick, John Patrick, Willems, Laura, Ashton, Kevin John, Holmgren, Kirsty, Peart, Jason Nigel John, Matherne, G. Paul

The genesis of the ischaemia intolerant phenotype in aged myocardium is poorly understood. We tested the hypothesis that impaired adenosine-mediated protection contributes to ischaemic intolerance,...

Aging-related changes in myocardial purine metabolism and ischemic tolerance (2003)

Willems, Laura, Garnham, Bronwyn Gaye, Headrick, John Patrick

Impaired tolerance to ischemia-reperfusion in older hearts may stem in part from alterations in purine catabolism, impacting on maintenance of energy state and protective signaling via extracellular...

Ischaemic tolerance in aged mouse myocardium: the role of adenosine and effects of A1 adenosine receptor overexpression (2003)

Headrick, John Patrick, Willems, Laura, Ashton, Kevin John, Holmgren, Kirsty, Peart, Jason Nigel John, Matherne, G. Paul

The genesis of the ischaemia intolerant phenotype in aged myocardium is poorly understood. We tested the hypothesis that impaired adenosine-mediated protection contributes to ischaemic intolerance,...

Aging-related changes in myocardial purine metabolism and ischemic tolerance (2003)

Willems, Laura, Garnham, Bronwyn Gaye, Headrick, John Patrick

Impaired tolerance to ischemia-reperfusion in older hearts may stem in part from alterations in purine catabolism, impacting on maintenance of energy state and protective signaling via extracellular...

Ischaemic tolerance in aged mouse myocardium: the role of adenosine and effects of A1 adenosine receptor overexpression (2003)

Headrick, John Patrick, Willems, Laura, Ashton, Kevin John, Holmgren, Kirsty, Peart, Jason Nigel John, Matherne, G. Paul

The genesis of the ischaemia intolerant phenotype in aged myocardium is poorly understood. We tested the hypothesis that impaired adenosine-mediated protection contributes to ischaemic intolerance,...

Aging-related changes in myocardial purine metabolism and ischemic tolerance (2003)

Willems, Laura, Garnham, Bronwyn Gaye, Headrick, John Patrick

Impaired tolerance to ischemia-reperfusion in older hearts may stem in part from alterations in purine catabolism, impacting on maintenance of energy state and protective signaling via extracellular...

Coronary function and adenosine receptor-mediated responses in ischemic reperfused mouse heart (2002)

Zatta, Amanda Jane, Willems, Laura, Headrick, John Patrick

Objectives: To assess the impact of ischemia-reperfusion (I/R) on coronary function, and the role of endogenous adenosine in modifying post-ischemic vascular function in asanguinous hearts. Methods:...

Coronary function and adenosine receptor-mediated responses in ischemic reperfused mouse heart (2002)

Zatta, Amanda Jane, Willems, Laura, Headrick, John Patrick

Objectives: To assess the impact of ischemia-reperfusion (I/R) on coronary function, and the role of endogenous adenosine in modifying post-ischemic vascular function in asanguinous hearts. Methods:...

Coronary function and adenosine receptor-mediated responses in ischemic reperfused mouse heart (2002)

Zatta, Amanda Jane, Willems, Laura, Headrick, John Patrick

Objectives: To assess the impact of ischemia-reperfusion (I/R) on coronary function, and the role of endogenous adenosine in modifying post-ischemic vascular function in asanguinous hearts. Methods:...

Coronary function and adenosine receptor-mediated responses in ischemic reperfused mouse heart (2002)

Zatta, Amanda Jane, Willems, Laura, Headrick, John Patrick

Objectives: To assess the impact of ischemia-reperfusion (I/R) on coronary function, and the role of endogenous adenosine in modifying post-ischemic vascular function in asanguinous hearts. Methods:...

Coronary function and adenosine receptor-mediated responses in ischemic-reperfused mouse heart (2002)

Flood, Amanda J, Willems, Laura, Headrick, John P

Objectives: To assess the impact of ischemia-reperfusion (I/R) on coronary function, and the role of endogenous adenosine in modifying post-ischemic vascular function in asanguinous hearts. Methods:...

Ischaemic tolerance in aged mouse myocardium: the role of adenosine and effects of A1 adenosine receptor overexpression

Headrick, John P, Willems, Laura, Ashton, Kevin J, Holmgren, Kirsten, Peart, Jason, Matherne, G Paul

The genesis of the ischaemia intolerant phenotype in aged myocardium is poorly understood. We tested the hypothesis that impaired adenosine-mediated protection contributes to ischaemic intolerance,...