What is Gilbert Syndrome? Symptoms and Treatment

Genetic diseases can be explained as family diseases. Genetic diseases are often incurable and remain effective throughout a person's life. Gilbert's disease, which is a genetic disorder, is also a non-contagious inherited disorder that affects an individual's life-long lifestyle. It is a hereditary liver disease that causes accumulation of blood. At the end of 120 days, the red blood cells that fulfill their duty and age are broken down in the spleen. Red blood cells contain a large amount of a protein called hemoglobin. The hemoglobin released during the breakdown of red blood cells in the spleen is broken down in the tissues and turns into a toxic substance called bilirubin. Bilirubin passes through the blood to the liver. Bilirubin converted in the liver is added to the bile. Bilirubin passes through the bile ducts to the gallbladder and then to the small intestine. Most of the bilirubin reaching the small intestine is excreted through the stool (feces). Stool gets its color from bilirubin.

This whole process is regulated by the correct sequence of genes responsible for bilirubin metabolism. Genetic mutations that occur for various reasons disrupt the functioning of bilirubin metabolism. In this case, the bilirubin circulating in the blood cannot be captured and processed by the liver. As a result, bilirubin in the blood increases. It causes a condition called hyperbilirubinemia. Bilirubin accumulating in the blood causes various symptoms and diseases such as Gilbert's syndrome.

Gilbert's syndrome is known as the most common inherited disorder of bilirubin metabolism. It was first described in the medical literature by Augustin Nicolas Gilbert in 1901. Known as Gilbert's disease, after Augustin Nicolas Gilbert, it is also rarely called Meulengracht disease or familial non-hemolytic jaundice. The incidence of Gilbert syndrome, which affects individuals from all races, is between 3-7% in the population. Hormone that increases especially during adolescence Nasal changes affect the bilirubin level. For this reason, the symptoms of the disease in individuals with Gilbert's syndrome usually begin to appear during adolescence.

How Does Gilbert's Syndrome Occur?

Gilbert's disease is an inherited disease inherited from parents. Uridine diphosphate glucuronyl transferase (UGT) is a group of enzymes that help break down various chemicals. The UGT group of enzymes converts bilirubin into a water-soluble substance that can be easily excreted with bile. This enzyme is encoded by the UGT1A1 genes. A mutation in the UGT1A1 gene lowers the activation of the UGT enzyme group. Approximately 30% of bilirubin-UGT enzyme function is active in individuals with Gilbert's syndrome. This situation causes the accumulation of bilirubin in the blood.

Gilbert Syndrome is an autosomal recessive (recessive) disease. For the disease to occur, mutations in the UGT1A1 gene must be observed in both chromosome regions. Individuals with mutations in a single chromosome do not have the disease. But these individuals are called carriers. Therefore, parents with a mutation in one chromosome can pass on Gilbert's disease to their children. In addition, it is known that present Gilbert's disease is triggered by various factors such as prolonged hunger, dehydration, excessive effort, stress, hemolysis, surgical operations. In other words, these factors that lead to difficulties in liver functions may lead to the occurrence of clinical symptoms of Gilbert's disease.

What are the Symptoms of Gilbert's Syndrome?

Gilbert's syndrome, which is a genetic disorder of bilirubin metabolism in the liver, It is usually asymptomatic, except for intermittent episodes of jaundice due to fluctuating bilirubin levels in the blood. Significant symptoms may not always be observed. It is known that approximately 30% of individuals with Gilbert syndrome never show symptoms. Some of the symptoms of Gilbert's disease, which can be diagnosed especially during adolescence, are as follows:

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