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Flavonoid ingredients of Ginkgo biloba leaf extract regulate lipid metabolism through Sp1-mediated carnitine palmitoyltranferase 1A up-regulation

Overview of attention for article published in Journal of Biomedical Science, September 2014
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About this Attention Score

  • In the top 25% of all research outputs scored by Altmetric
  • High Attention Score compared to outputs of the same age (93rd percentile)
  • High Attention Score compared to outputs of the same age and source (86th percentile)

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2 news outlets
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1 X user

Citations

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Title
Flavonoid ingredients of Ginkgo biloba leaf extract regulate lipid metabolism through Sp1-mediated carnitine palmitoyltranferase 1A up-regulation
Published in
Journal of Biomedical Science, September 2014
DOI 10.1186/s12929-014-0087-x
Pubmed ID
Authors

Ting Wei, Fei-fei Xiong, Shi-dong Wang, Ke Wang, Yong-yu Zhang, Qing-hua Zhang

Abstract

BackgroundLipid accumulation is the primary evidence of non-alcoholic fatty liver disease (NAFLD). Ginkgo biloba extract (GBE) and its flavonoid ingredients (quercetin, kaempferol, and isorhamnetin) could lessen the lipid accumulation associated with up-regulation of the rate-limiting enzyme, carnitine palmitoyltransferase 1A (CPT1A), in the ß-oxidation of long-chain fatty acids. In this study, we investigated the mechanisms by which GBE and its flavonoids induced expression of CPT1A.ResultsCPT1A inhibition with RNAi resulted in triglyceride accumulation in HepG2 cells. Through deletion and mutation analysis of CPT1A¿s promoter combined with electrophoretic mobility shift assay (EMSA) and chromatin immunoprecipitation (ChIP) experiments, the CPT1A promoter region (¿50 to ¿5 nt) was determined to contain two putative Sp1 binding sites, namely Sp1a and Sp1b, which might act as the GBE regulation response DNA element. Sp1 might be induced to transfer from cytoplasma to nucleus to bind the promoter region of ¿50 to ¿5 nt by GBE. The regulatory effects of GBE on CPT1A were also verified on the flavonoid ingredients quercetin, kaempferol, and isorhamnetin.ConclusionSp1 was crucial in regulating CPT1A expression with GBE and its flavonoid ingredients, and the ¿50 to ¿5 nt region of CPT1A promoter played important roles in Sp1 binding.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 30 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Australia 1 3%
Unknown 29 97%

Demographic breakdown

Readers by professional status Count As %
Researcher 4 13%
Student > Bachelor 3 10%
Other 3 10%
Student > Ph. D. Student 3 10%
Student > Doctoral Student 2 7%
Other 5 17%
Unknown 10 33%
Readers by discipline Count As %
Pharmacology, Toxicology and Pharmaceutical Science 4 13%
Medicine and Dentistry 4 13%
Agricultural and Biological Sciences 3 10%
Biochemistry, Genetics and Molecular Biology 2 7%
Nursing and Health Professions 1 3%
Other 2 7%
Unknown 14 47%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 23. 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 28 February 2022.
All research outputs
#1,654,249
of 25,374,917 outputs
Outputs from Journal of Biomedical Science
#64
of 1,101 outputs
Outputs of similar age
#16,984
of 249,196 outputs
Outputs of similar age from Journal of Biomedical Science
#2
of 15 outputs
Altmetric has tracked 25,374,917 research outputs across all sources so far. Compared to these this one has done particularly well and is in the 93rd percentile: it's in the top 10% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 1,101 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 11.0. 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 249,196 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 93% of its contemporaries.
We're also able to compare this research output to 15 others from the same source and published within six weeks on either side of this one. This one has done well, scoring higher than 86% of its contemporaries.