Numerous reports established that in skeletal muscle the indispensable branched-chain amino acid leucine is unique in its ability to initiate signal transduction pathways that modulate translation initiation. Oral administration of leucine stimulates protein synthesis in association with hyperphosphorylation of the translational repressor, eukaryotic initiation factor (eIF) 4E binding protein 1 (4E-BP1), resulting in enhanced availability of the mRNA cap-binding protein eIF4E, for binding eIF4G and forming the active eIF4F complex. In addition, leucine enhances phosphorylation of the 70-kDa ribosomal protein S6 kinase (S6K1). These results suggest that leucine upregulates protein synthesis in skeletal muscle by enhancing both the activity and synthesis of proteins involved in mRNA translation. The stimulatory effects of leucine on translation initiation are mediated in part through the protein kinase mammalian target of rapamycin (mTOR), where both insulin signaling and leucine signaling converge to promote a maximal response.
This research output has an Altmetric Attention Score of 81. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 13 March 2024.
All research outputs
#656,525
of 34,151,039 outputs
Outputs from Journal of Nutrition
#649
of 12,807 outputs
Outputs of similar age
#414
of 61,492 outputs
Outputs of similar age from Journal of Nutrition
#9
of 136 outputs
Altmetric has tracked 34,151,039 research outputs across all sources so far. Compared to these this one has done particularly well and is in the 98th percentile: it's in the top 5% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 12,807 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 21.4. This one has done particularly well, scoring higher than 94% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 61,492 tracked outputs that were published within six weeks on either side of this one in any source. This one has done particularly well, scoring higher than 99% of its contemporaries.
We're also able to compare this research output to 136 others from the same source and published within six weeks on either side of this one. This one has done particularly well, scoring higher than 93% of its contemporaries.
