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Our methodology is based on the modulation of intracellular Ca 2+ levels of sperm cells, to optimize sperm capacitation

Erythropoietin (EPO) This hormone, made infamous by Lance Armstrong, is produced naturally by the kidneys to stimulate red-blood-cell production

Nov 1 2020;26(6):942-960

2025 demonstrates that chronic GCGR agonism downregulates hepatocyte PDE4B/4D phosphodiesterases, producing sustained cAMP-PKA signaling that preserves resting energy expenditure against the adaptive decline of weight loss

However, its limited bioavailability in humans due to poor intestinal absorption, rapid metabolism, and rapid systemic elimination remains a significant challenge