ArticlePharmacological research2019
Fenfluramine-induced PVAT-dependent contraction depends on norepinephrine and not serotonin.
Article in Pharmacological research, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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.
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.
Who cites it
12 citing papers in PubMed, 15 citations in OpenAlex.
- Vascular effects of perivascular adipose tissue-derived chemerin in obesity-associated cardiovascular disease.Cardiovascular diabetology · 2025Review
- Prevalence and associated factors of depression and anxiety among patients with melasma: a cross-sectional study in China.Frontiers in psychiatry · 2025Article
- Perivascular Adipose Tissue and Uterine Artery Adaptations to Pregnancy.Microcirculation (New York, N.Y. : 1994) · 2024Review
- Review
- Adipokines: Deciphering the cardiovascular signature of adipose tissue.Biochemical pharmacology · 2022Review
- Endothelial Nitric Oxide Synthase in the Perivascular Adipose Tissue.Biomedicines · 2022Review
- Roles of Perivascular Adipose Tissue in Hypertension and Atherosclerosis.Antioxidants & redox signaling · 2021Review
- The Interplay Between Adipose Tissue and Vasculature: Role of Oxidative Stress in Obesity.Frontiers in cardiovascular medicine · 2021Review
- Vascular reactivity stimulated by TMA and TMAO: Are perivascular adipose tissue and endothelium involved?Pharmacological research · 2021Article
- Perivascular Adipose Tissue as a Target for Antioxidant Therapy for Cardiovascular Complications.Antioxidants (Basel, Switzerland) · 2020Review
- Perivascular Adipose Tissue Regulates Vascular Function by Targeting Vascular Smooth Muscle Cells.Arteriosclerosis, thrombosis, and vascular biology · 2020Review
- Frontiers of Serotonin Beyond the Brain.Pharmacological research · 2019Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
Perivascular adipose tissue (PVAT) modulates vascular tone and altered PVAT function is observed in vascular diseases such as hypertension and atherosclerosis. We discovered that the PVAT surrounding rat thoracic aorta (RA) and the superior mesenteric artery (SMA) contain significant amounts of 5-hydroxytryptamine (5-HT). We hypothesized that the 5-HT contained within the PVAT is functional and vasoactive. Isolated tissue baths were used for isometric contractility studies and high performance liquid chromatography was used to quantitatively measure amines in the PVAT and release studies. The 5-HT releaser fenfluramine (10 nM-100 μM) was tested for its ability to contract arteries with and without PVAT. Contraction was reported as a percentage of the initial contraction to 10 μM phenylephrine. The RA with PVAT contracted to fenfluramine to a greater maximum (98 ± 10%) than RA without PVAT (24 ± 4%), while no difference in contraction of SMA to maximum fenfluramine with (78 ± 2%) and without (75 ± 6%) PVAT was observed. Contradicting our hypothesis, the maximum contraction of RA with PVAT to fenfluramine was diminished by the alpha-1 adrenoreceptor antagonist prazosin (100 nM; vehicle: 71 ± 4%, prazosin: 24 ± 2%) and the norepinephrine transporter (NET) inhibitor nisoxetine (1 μM; vehicle: 71 ± 4%, nisoxetine: 25 ± 4%) but not the 5-HT
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
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 OpenQuestion graph.