Evidence mapPaperPMID 41373699Full record

ArticleInternational journal of molecular sciences2025

From Phytochemistry to Metabolic Regulation: The Insulin-Promoting Effects of Loureirin B Analogous to an Agonist of GLP-1 Receptor.

Haowen Fang, Xiaodong Sun, Yanting Ding, Siyuan Gu, Bing Niu, Qin Chen

Abstract read
In one paragraph

Article in International journal of molecular sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

  1. Review
  2. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Haowen FangSchool of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China.
Xiaodong SunShanghai Engineering Research Center of Organ Repair, Joint International Research Laboratory of Biomaterials and Biotechnology in Organ Repair (Ministry of Education), School of Medicine, Shanghai University, Shanghai 200444, China.
Yanting DingSchool of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China.
Siyuan GuSchool of Life Sciences, Shanghai University, Shanghai 200444, China.
Bing NiuSchool of Life Sciences, Shanghai University, Shanghai 200444, China.
Qin ChenSchool of Life Sciences, Shanghai University, Shanghai 200444, China.ORCID 0000-0003-3089-9195

Funding

Shanghai Agriculture Project 19391901500
6 · The paper itself

Abstract

This study aimed to develop a potent, safe, and cost-effective small-molecule hypoglycemic agent derived from Loureirin B, with preliminary evaluation of its efficacy and mechanistic underpinnings. Thirty structural analogs of Loureirin B were synthesized. Molecular docking identified LB-A as the lead compound targeting GLP-1R. Its hypoglycemic activity was initially assessed in a murine model. Molecular dynamics simulations, surface plasmon resonance (SPR), and circular dichroism (CD) were employed to characterize LB-A-GLP-1R interactions. The involvement of the GLP-1R/cAMP/PKA pathway and downstream mediators was examined using cellular assays, gene knockout, and Western blotting, with emphasis on FOXO1. LB-A exhibited the strongest binding affinity for GLP-1R among the analogs and significantly reduced blood glucose levels in mice. It formed hydrogen bonds and hydrophobic interactions with key residues (e.g., LYS197) and induced conformational changes in GLP-1R. LB-A activation of GLP-1R upregulated cAMP, PKA, and pCREB, suppressed PTEN/FOXO1 signaling, and subsequently stimulated insulin secretion. LB-A represents a novel small molecule agonist that ameliorates hyperglycemia in diabetic mice through specific activation of the GLP-1R/cAMP/PKA/pCREB/PTEN/FOXO1 pathway.

Indexed as

Glucagon-Like Peptide-1 ReceptorGlucagon-Like Peptide-1 Receptor AgonistsHypoglycemic AgentsInsulinAnimalsBlood GlucoseCyclic AMPCyclic AMP-Dependent Protein KinasesForkhead Box Protein O1HumansMaleMiceMice, Inbred C57BLMolecular Docking SimulationMolecular Dynamics SimulationSignal TransductionBlood GlucoseCyclic AMPCyclic AMP-Dependent Protein KinasesForkhead Box Protein O1Glucagon-Like Peptide-1 ReceptorGlucagon-Like Peptide-1 Receptor AgonistsHypoglycemic AgentsInsulindiabetesdrug designdrug discoveryGLP-1Rpharmacokinetics

Identifiers

PMID41373699
PMCPMC12692253

What Socratic holds

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Read underepoch 390

Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.