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IGF-1 LR3 (Long Arg3-IGF-1) is a synthetic analog of insulin-like growth factor 1, modified to extend its half-life relative to native IGF-1 by reducing its binding affinity to IGF-binding proteins that would otherwise rapidly clear it from circulation. It is studied in research models of muscle-tissue growth signaling and metabolic research.
Research interest in IGF-1 LR3 centers on:
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IGF-1 LR3 (Long Arg3-IGF-1) is a synthetic analog of insulin-like growth factor 1 (IGF-1). Its modified structure reduces its interaction with certain IGF-binding proteins, resulting in a longer biological half-life than native IGF-1 in research models.
IGF-1 LR3 contains structural modifications that reduce its binding affinity to IGF-binding proteins. This can extend its presence in experimental systems compared with native IGF-1 and makes it useful for research examining prolonged IGF-1 receptor signaling.
Research involving IGF-1 LR3 includes studies of IGF-1 receptor signaling, muscle-tissue growth pathways, cellular growth processes, and metabolic signaling. Its applications depend on the specific experimental model and research objectives.
IGF-1 LR3 interacts with the IGF-1 receptor and activates signaling pathways associated with IGF-1 activity. Because IGF-1 and insulin receptors share structural similarities, research involving IGF-1 LR3 may also need to account for interactions with related metabolic signaling pathways.
The Long Arg3 modification reduces the analog’s affinity for certain IGF-binding proteins. Since these proteins normally influence the distribution and clearance of IGF-1, reduced binding can result in a longer-lasting experimental profile.
No. IGF-1 LR3 is a modified analog of native IGF-1. The structural modification changes its interaction with IGF-binding proteins and distinguishes its pharmacological and research profile from native IGF-1.
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