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Consider the following statements regarding Mitochondrial Diseases:
- Primary mitochondrial diseases are caused by genetic mutations.
- They can affect almost any part of the body including the cells of Brain, Kidneys or Heart.
Which of the statements given above is/are correct?
- a)1 only
- b)2 only
- c)Both 1 and 2
- d)Neither 1 nor 2
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
Consider the following statements regarding Mitochondrial Diseases: Pr...
A recent study has revealed that about a quarter of mitochondrial disease patients suffer from malnutrition.
About Mitochondrial Diseases:
- Mitochondrial diseases are a group of conditions that affect how mitochondria work in your body.
- What are Mitochondria?
- Mitochondria are membrane-bound cell organelles that generate most of the chemical energy needed to power the cell's biochemical reactions.
- They make it by combining oxygen with the fuel molecules (sugars and fats) that come from your food.
- Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate (ATP).
- Generally, mitochondria, and therefore mitochondrial DNA, are inherited only from the mother.
- When the mitochondria are defective, the cells do not have enough energy. The unused oxygen and fuel molecules build up in the cells and cause damage.
- Mitochondrial diseases can affect almost any part of your body, including the cells of your Brain, Nerves, Muscles, Kidneys, Heart, Liver, Eyes, Ears, and Pancreas.
- Causes:
- Genetic mutations cause these primary mitochondrial diseases. They usually happen before age 20, and some are more common in infants.
- Mitochondrial dysfunction can also occur when mitochondria don’t work as well as they should due to another disease or condition. These are called secondary mitochondrial diseases.
- Symptoms:
- The symptoms of mitochondrial disease can vary. It depends on how many mitochondria are defective and where they are in the body.
- Sometimes only one organ, tissue, or cell type is affected. But often, the problem affects many of them.
- Muscle and nerve cells have especially high energy needs, so muscular and neurological problems are common.
- Treatment:
- There are no cures for these diseases, but treatments may help with symptoms and slow down the disease.
- They may include physical therapy, vitamins and supplements, special diets, and medicines.
Hence both statements are correct.
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Community Answer
Consider the following statements regarding Mitochondrial Diseases: Pr...
Mitochondrial Diseases:
Mitochondrial diseases are a group of disorders that are caused by genetic mutations in the mitochondria, the energy-producing structures within cells. These diseases can affect various parts of the body and can lead to a wide range of symptoms and complications.
Statement 1: Primary mitochondrial diseases are caused by genetic mutations.
This statement is correct. Primary mitochondrial diseases are indeed caused by genetic mutations. These mutations can occur in either the mitochondrial DNA (mtDNA) or the nuclear DNA (nDNA) that codes for proteins involved in mitochondrial function. Mutations in mtDNA are more commonly associated with mitochondrial diseases.
Statement 2: They can affect almost any part of the body including the cells of the brain, kidneys, or heart.
This statement is also correct. Mitochondrial diseases can affect almost any part of the body because mitochondria are present in virtually all cells. However, certain organs and tissues, such as the brain, heart, kidneys, and muscles, are particularly susceptible to mitochondrial dysfunction. This is because these organs have high energy demands and rely heavily on mitochondrial function.
Explanation:
Mitochondrial diseases can manifest in various ways depending on the specific genetic mutation and the extent of mitochondrial dysfunction. Common symptoms include muscle weakness, exercise intolerance, fatigue, developmental delays, neurological problems, and organ dysfunction. The severity of the disease can vary widely, ranging from mild symptoms to life-threatening complications.
The diagnosis of mitochondrial diseases can be challenging due to the wide range of symptoms and the overlap with other medical conditions. It often involves a combination of clinical evaluation, genetic testing, and analysis of mitochondrial function. Treatment options for mitochondrial diseases are limited, and management mainly focuses on alleviating symptoms and providing supportive care.
In conclusion, primary mitochondrial diseases are indeed caused by genetic mutations, and they can affect almost any part of the body, including the cells of the brain, kidneys, or heart. These diseases can have a significant impact on an individual's health and quality of life, and further research is needed to develop better diagnostic tools and treatment options for mitochondrial diseases.
Mitochondrial diseases are a group of disorders that are caused by genetic mutations in the mitochondria, the energy-producing structures within cells. These diseases can affect various parts of the body and can lead to a wide range of symptoms and complications.
Statement 1: Primary mitochondrial diseases are caused by genetic mutations.
This statement is correct. Primary mitochondrial diseases are indeed caused by genetic mutations. These mutations can occur in either the mitochondrial DNA (mtDNA) or the nuclear DNA (nDNA) that codes for proteins involved in mitochondrial function. Mutations in mtDNA are more commonly associated with mitochondrial diseases.
Statement 2: They can affect almost any part of the body including the cells of the brain, kidneys, or heart.
This statement is also correct. Mitochondrial diseases can affect almost any part of the body because mitochondria are present in virtually all cells. However, certain organs and tissues, such as the brain, heart, kidneys, and muscles, are particularly susceptible to mitochondrial dysfunction. This is because these organs have high energy demands and rely heavily on mitochondrial function.
Explanation:
Mitochondrial diseases can manifest in various ways depending on the specific genetic mutation and the extent of mitochondrial dysfunction. Common symptoms include muscle weakness, exercise intolerance, fatigue, developmental delays, neurological problems, and organ dysfunction. The severity of the disease can vary widely, ranging from mild symptoms to life-threatening complications.
The diagnosis of mitochondrial diseases can be challenging due to the wide range of symptoms and the overlap with other medical conditions. It often involves a combination of clinical evaluation, genetic testing, and analysis of mitochondrial function. Treatment options for mitochondrial diseases are limited, and management mainly focuses on alleviating symptoms and providing supportive care.
In conclusion, primary mitochondrial diseases are indeed caused by genetic mutations, and they can affect almost any part of the body, including the cells of the brain, kidneys, or heart. These diseases can have a significant impact on an individual's health and quality of life, and further research is needed to develop better diagnostic tools and treatment options for mitochondrial diseases.
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Consider the following statements regarding Mitochondrial Diseases: Primary mitochondrialdiseases are caused by genetic mutations. They can affect almost any part of the body including the cells of Brain, Kidneys or Heart.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?
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