NewslettersMuscle Cell News Monocarboxylate Transporter 4 Deficiency Enhances High-Intensity Interval Training-Induced Metabolic Adaptations in Skeletal Muscle By Noshin Noorjahan - March 22, 2024 0 Researchers developed monocarboxylate transporter 4 knockout mice and confirmed that a lack of MCT4 indeed resulted in pronounced lactate accumulation in skeletal muscle during high-intensity exercise. [Journal Of Physiology] AbstractGraphical Abstract