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Reference Guide
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IGFBP-3
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IGFBP-3
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Insulin-Like Growth Factor Binding Protein-3

What's 
IGFBP-3
?
Insulin-Like Growth Factor Binding Protein-3 (IGFBP-3) is a vital protein that plays a significant part in your body's growth and development. It's the most common of the six IGFBPs and has the essential task of transporting the hormone IGF-1 (Insulin-Like Growth Factor-1) throughout your body. IGF-1 is crucial for cell growth and multiplication, and IGFBP-3 makes sure it gets to where it's needed. Besides transportation, IGFBP-3 also has independent roles, such as influencing cell multiplication and survival. Think of it as a hardworking messenger in your body, delivering critical growth signals and making important decisions about cellular activities.
If Your Levels Are High
Elevated levels of IGFBP-3 might mean that your body is producing more of this protein than usual, which could be due to various reasons. For example, it could be a result of increased growth hormone production, changes in your eating habits, or specific medications you might be taking, such as steroids or hormone replacement therapy. It's also possible that your body is trying to make up for low levels of IGF-1, the hormone that IGFBP-3 helps move around. In some cases, higher levels of IGFBP-3 could be connected to conditions like insulin resistance or metabolic syndrome. Keep in mind that this is a complex system, and many factors can impact IGFBP-3 levels.
Symptoms of High Levels
Symptoms of high levels of IGFBP-3 are not typically noticeable, as this protein primarily works behind the scenes in your body's growth and development processes. However, if the elevated IGFBP-3 levels are due to an underlying condition such as insulin resistance or metabolic syndrome, you might experience symptoms related to those conditions, like fatigue, frequent urination, or unexplained weight gain.
If Your Levels are Low
Low IGFBP-3 levels might mean that your body is having trouble with its growth and development processes. This could be due to things like not getting enough nutrients, ongoing inflammation, or certain medications that affect how proteins are made in your body. It might also point to an imbalance in hormones, especially growth hormone and IGF-1, since IGFBP-3 is closely involved in their control. Some possible reasons for low IGFBP-3 levels include liver disease, as the liver is a main source of IGFBP-3 production, and metabolic disorders, which can affect how your body manages and uses hormones effectively.
Symptoms of Low Levels
Symptoms of low levels of IGFBP-3 may not be immediately noticeable but could include slowed growth or development, unexplained weight loss, and fatigue. In some cases, individuals might also experience muscle weakness or reduced physical endurance.

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Insulin-Like Growth Factor Binding Protein-3

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