Evidence map›Paper›PMID 36775999›Full record

ArticleACS chemical biology2023

Chemiexcited Neurotransmitters and Hormones Create DNA Photoproducts in the Dark.

Leticia C P Gonçalves, Carlos Angelé-Martínez, Sanjay Premi, Meg A Palmatier, Fernanda Manso Prado, Paolo Di Mascio, Erick L Bastos, Douglas E Brash

Open access · greenAbstract read
In one paragraph

Article in ACS chemical biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
2.2field-weighted citation impact, top 13% of its field
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

6 citing papers in PubMed, 14 citations in OpenAlex.

  1. Quantum chemistry study on the feasibility of triplet-triplet energy transfer in the dark photosensitization of DNA.Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology · 2026
    Article
  2. Review
  3. Review
  4. Chemiexcitation in Ex Vivo Porcine Skin Model.Pigment cell & melanoma research · 2025
    Article
  5. Article
  6. Reply to Pfeffer: Macular degeneration clues from comparative anatomy.Proceedings of the National Academy of Sciences of the United States of America · 2023
    Article
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

8 authors at 3 institutions in 2 countries.

Leticia C P GonçalvesDepartment of Therapeutic Radiology, Yale University School of Medicine, New Haven, Connecticut 06520-8040, United States.
Carlos Angelé-MartínezDepartment of Therapeutic Radiology, Yale University School of Medicine, New Haven, Connecticut 06520-8040, United States.
Sanjay PremiDepartment of Therapeutic Radiology, Yale University School of Medicine, New Haven, Connecticut 06520-8040, United States.
Meg A PalmatierDepartment of Therapeutic Radiology, Yale University School of Medicine, New Haven, Connecticut 06520-8040, United States.
Fernanda Manso PradoDepartamento de Bioquímica, Instituto de Química, Universidade de São Paulo, 05508-000 São Paulo, São Paulo, Brazil.
Paolo Di MascioDepartamento de Bioquímica, Instituto de Química, Universidade de São Paulo, 05508-000 São Paulo, São Paulo, Brazil.ORCID 0000-0003-4125-8350
Erick L BastosDepartamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, 05508-000 São Paulo, São Paulo, Brazil.ORCID 0000-0002-0592-9455
Douglas E BrashDepartment of Therapeutic Radiology, Yale University School of Medicine, New Haven, Connecticut 06520-8040, United States.ORCID 0000-0001-7437-9373
Universidade de São Paulo · BRYale University · USYale Cancer Center · US

Funding

Chemiexcitation: A New Mode of Skin DiseaseR01AR070851 · NIAMS · YALE UNIVERSITY · PI BRASH, DOUGLAS E · 2017 to 2020
$1.7M
NIAMS NIH HHS R01 AR070851
6 · The paper itself

Abstract

In DNA, electron excitation allows adjacent pyrimidine bases to dimerize by [2 + 2] cycloaddition, creating chemically stable but lethal and mutagenic cyclobutane pyrimidine dimers (CPDs). The usual cause is ultraviolet radiation. Alternatively, CPDs can be made in the dark (dCPDs) via chemically mediated electron excitation of the skin pigment melanin, after it is oxidized by peroxynitrite formed from the stress-induced radicals superoxide and nitric oxide. We now show that the dark process is not limited to the unusual structural molecule melanin: signaling biomolecules such as indolamine and catecholamine neurotransmitters and hormones can also be chemiexcited to energy levels high enough to form dCPDs. Oxidation of serotonin, dopamine, melatonin, and related biogenic amines by peroxynitrite created triplet-excited species, evidenced by chemiluminescence, energy transfer to a triplet-state reporter, or transfer to O

Indexed as

DNA DamageUltraviolet RaysAnimalsDNAHormonesMammalsMelaninsNeurotransmitter AgentsPeroxynitrous AcidPyrimidine DimersDNAHormonesMelaninsNeurotransmitter AgentsPeroxynitrous AcidPyrimidine Dimers

Identifiers

PMID36775999
PMCPMC10276651
OpenAlexW4320493590

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

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.