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Professor José González-Alonso

Professor José González-Alonso
Professor - Exercise and Cardiovascular Physiology

Heinz Wolff 221

Research area(s)

The research of José González-Alonso in the USA, Denmark and UK over the last 30 years revolves around two main areas of integrative human physiology that have important implications for athletic performance and exercise tolerance in health and disease and the treatment of some cardiovascular disorders. The first deals with cardiovascular responses to exercise using interventions such as heat stress, dehydration and large versus small muscle mass exercise to investigate how the human body copes with conditions that tax the cardiovascular system to its regulatory capacity. The findings in this area have advanced our knowledge and understanding of the cardiovascular limitations to exercise capacity, particularly in conditions of dehydration and/or hyperthermia.

Figure 1A second related area centres on the role of the red blood cells (erythrocytes) and plasma nucleotides on the control of the human circulation for which a variety of interventions has been used in human volunteers (i.e., hypoxia, anaemia, polycythaemia, hyperoxia, CO inhalation, intravascular nucleotide infusion, heat stress, dehydration, hydration, small versus large muscle mass exercise), complemented with ex-vivo cell work. The findings in this field support the idea that signals released from the circulating red blood cells, such as the release of the ubiquitous signalling and energy source molecule adenosine triphosphate (ATP), contribute to the control of skeletal muscle oxygen delivery during exercise. His research laboratory has also demonstrated that red blood cells-mediated release of ATP is sensitive to changes in blood temperature and provided in vivo evidence supporting an additional role of erythrocyte signalling in tissue blood flow control during thermal interventions (i.e., the heating and cooling occurring during heat and cold interventions/therapy).

Figure 2

His research group is currently looking at (1) the cardiac and circulatory limitations to exercise capacity with alterations in hydration status and heat stress levels, (2) the temperature-dependent vascular mechanisms regulating local tissue blood flow in human limbs with a primary focus on erythrocyte-derived signalling, and (3) the interactions between peripheral and central mechanisms in the control of the human circulation during exercise and/or heat stress. The invasive studies conducted at the CHPER are performed in collaboration with clinicians. The group research has been published in prestigious peer-reviewed journals in Physiology and Sport and Exercise Science. These papers are frequently cited (Google scholar total citations > 13,700, Google h-index 60, Web of Science h-index 45, Scopus h-index 48; PubMed publications).

Figure 3

The advances in knowledge and understanding of how hydration impacts the athlete’s brain, heart and muscles during submaximal and maximal endurance exercise have been translated into practical solutions for sports and exercise. Two specific examples are the recommendations for training and competing in the heat and the practical hydration solutions for sports.

Figure 4

José's research has been funded by grants from the Spanish Ministry of Science and Education, Calsberg Foundation, Team Denmark, European Commission - Marie Curie Fellowship, Lundbeck Foundation, Novo Nordisk Foundation, Copenhagen Hospital System and the Gatorade Sports Science Institute – PepsiCo Inc. He has worked closely and collaborated with researchers from different countries, including 6 post-doctoral fellows and more than 25 PhD and MSc student researchers from Denmark and UK. José contributes to research-led teaching in Sport, Health and Exercise Sciences and Life Sciences courses of the Department of Life Sciences. He leads the undergraduate major project study block in the Sport, Health and Exercise Sciences and teaches human and exercise physiology across the undergraduate and post-graduate programmes.

Research Team

Nuno Kogh Esteves, Doctoral Researcher - Regulation of thermal hyperaemia (increase blood flow with elevations in temperature) in humans limbs 

Jeneil McDonald, Research Assistant

Patrick Sebastian Cazorla Saravia, Visiting Researcher, MD specialising in Sports Medicine

Research grants and projects

Research Projects