Why the study?
Does A1 adenosine receptor stimulation decrease cAMP levels in immature preinnervated rat cardiomyocytes?
Population
1- to 3-day-old rat ventricular cardiomyocyte cultures, and newborn, 1-week-old, 2-week-old, and adult rat…
Comparison
Exposure to isoproterenol, R-PIA, or both vs Control conditions
Design
Preclinical
Authors
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May modulate beta-adrenergic responses in immature hearts; leaves open translational relevance to human neonates.
Does A1 adenosine receptor stimulation decrease cAMP levels in immature preinnervated rat cardiomyocytes?
A1 adenosine receptors are functionally coupled to Gi proteins and present in greater numbers in the immature preinnervated rat heart, potentially serving as an important regulatory system.
Cothran et al. (2009) studied this question.
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