Messi’s Disease: Growth Hormone Deficiency Presentation: Genetics Think about the following questions 🧠 1. 2. 3. What is growth hormone deficiency? What are the symptoms of growth hormone deficiency? How Messi managed to be treated and became a footballer? First, let’s watch a video on Messi’s situation. Start to 2:00 Introduction about Growth Hormone Deficiency ● ● ● ● ● ● Medical condition resulting from not enough growth hormone (GHD) Most noticeable symptom is short height (Symptoms will be covered later) Treatment is by growth hormone replacement. Happens more in male than female Growth hormone deficiency can happen to children and adults Can be caused by gene mutation, but there are many causes Genetics ● ● ● ● The GH1 gene provides instructions for making the growth hormone protein. Growth hormone is produced in the growth-stimulating somatotropic cells of the pituitary gland, which is located at the base of the brain. Growth hormone is necessary for the normal growth of the body's bones and tissues. More than 70 mutations in the GH1 gene have been found to cause growth hormone deficiency. ● Growth hormone receptors (GHRs) are on the cell surfaces of many body tissues, including liver, muscle, adipose, and kidney tissue. Symptoms ● ● ● ● ● ● ● Absence of growth Short stature (below fifth percentile) Absence of puberty Headaches Increased urination Excessive thirst Facial abnormalities (rare) Messi’s case ● ● ● ● Less than 130 cm tall before treatment Parents noticed no height increase at 10 Medical checkups confirmed that he had GHD Medical diagnoses typically involve blood tests or brain scans Treatment ● ● ● Growth hormone deficiency has to be treated by synthetic hormonal treatment using HGH (human growth hormones) through leg injections Extremely expensive (around 8000 HKD monthly for Messi) Messi’s family and club could not afford it and thus he moved to Spanish club FC Barcelona Outcome and side effect of treatment Children who are diagnosed early often recover very well. If left untreated, the condition can result in shorter-than-average height and delayed puberty. Side effects of growth hormone deficiency treatment ● ● ● ● ● Headaches. Muscle pain or joint pain. Mildly underactive thyroid gland (mild hypothyroidism). Swelling of your hands and feet. Progression of spine curvature in people with scoliosis. Sports ethics: Is Lionel Messi a lab-created footballer? ● ● HGH is normally banned in sports as a performance-enhancing drug HGH helped Messi in growth, as well as pituitary function, skin and teeth health, vision and immunity Think about it: To what degree should those with genetic disorders in sports be allowed to use hormonal treatments? Messi succeeded based on merit ● ● ● ● ● Treatment was discontinued into adulthood Current height: 170 cm Therapeutic exemptions for HGH are allowed HGH was used as a physician-monitored prescribed treatment, not a performance enhancer Messi was already extremely talented before his diagnosis, and we would likely have not witnessed such a footballing talent without medical aid Thank you!