ArticlePhotochemistry and photobiology2019
Effects and Mechanism of Nicotinamide Against UVA- and/or UVB-mediated DNA Damages in Normal Melanocytes.
Article in Photochemistry and photobiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 1 of them a synthesis that pooled 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.
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
19 citing papers in PubMed, 1 synthesis or guideline pooled it, 32 citations in OpenAlex.
- The dual role of Nrf2 in melanoma: a systematic review.BMC molecular and cell biology · 2023Pooled it
- Skin aging: mechanisms, evaluation, and rejuvenation.The EMBO journal · 2026Review
- An Injectable Biopolymer Hydrogel Complex (PN/HA/B3) for Facial Skin Redensification and General Rejuvenation: Clinical Report on Device Safety and Efficacy.Journal of functional biomaterials · 2026Article
- Multitargeted Modulation of Skin Dullness by HNHT Formulation: Synergistic Inhibition of Melanogenesis, Glycation, and Lipofuscin Deposition.Journal of cosmetic dermatology · 2026Article
- Changes in ultraviolet B radiation-induced DNA damage and erythema after oral nicotinamide and polypodium leucotomos in healthy volunteers: an intraindividual controlled trial.Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology · 2025Article
- Clinical Safety and Efficacy of Hyaluronic Acid-Niacinamide-Tranexamic Acid Injectable Hydrogel for Multifactorial Facial Skin Quality Enhancement with Dark Skin Lightening.Gels (Basel, Switzerland) · 2025Article
- Nicotinamide: A Multifaceted Molecule in Skin Health and Beyond.Medicina (Kaunas, Lithuania) · 2025Review
- Current Insights into the Role of UV Radiation-Induced Oxidative Stress in Melanoma Pathogenesis.International journal of molecular sciences · 2024Review
- Review
- Antioxidants in Sunscreens: Which and What For?Antioxidants (Basel, Switzerland) · 2023Article
- The Combination of Niacinamide, Vitamin C, and PDRN Mitigates Melanogenesis by Modulating Nicotinamide Nucleotide Transhydrogenase.Molecules (Basel, Switzerland) · 2022Article
- A Mixture of Topical Forms of Polydeoxyribonucleotide, Vitamin C, and Niacinamide Attenuated Skin Pigmentation and Increased Skin Elasticity by Modulating Nuclear Factor Erythroid 2-like 2.Molecules (Basel, Switzerland) · 2022Article
- Development of Niacinamide/Ferulic Acid-Loaded Multiple Emulsion and ItsBioMed research international · 2022Article
- Negative ion formation and fragmentation upon dissociative electron attachment to the nicotinamide molecule.RSC advances · 2021Article
- Mechanistic Basis and Clinical Evidence for the Applications of Nicotinamide (Niacinamide) to Control Skin Aging and Pigmentation.Antioxidants (Basel, Switzerland) · 2021Review
- Inhibitors of Nucleotide Excision Repair Decrease UVB-Induced Mutagenesis-An In Vitro Study.International journal of molecular sciences · 2021Article
- CRISPR/Cas9-mediated Knockout of SIRT6 Imparts Remarkable Antiproliferative Response in Human Melanoma Cells in vitro and in vivo.Photochemistry and photobiology · 2020Article
- Genome-Protecting Compounds as Potential Geroprotectors.International journal of molecular sciences · 2020Review
- Protective effects of novel derivatives of vitamin DRedox biology · 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
Melanoma incidences are increasing rapidly, and ultraviolet (UV) radiation from the sun is believed to be its major contributing factor. UV exposure causes DNA damage in skin which may initiate cutaneous skin cancers including melanoma. Melanoma arises from melanocytes, the melanin-producing skin cells, following genetic dysregulations resulting into hyperproliferative phenotype and neoplastic transformation. Both UVA and UVB exposures to the skin are believed to trigger melanocytic hyperplasia and melanomagenesis. Melanocytes by themselves are deficient in repair of oxidative DNA damage and UV-induced photoproducts. Nicotinamide, an active form of vitamin B3 and a critical component of the human body's defense system has been shown to prevent certain cancers including nonmelanoma skin cancers. However, the mechanism of nicotinamide's protective effects is not well understood. Here, we investigated potential protective effects and mechanism of nicotinamide against UVA- and/or UVB- induced damage in normal human epidermal melanocytes. Our data demonstrated an appreciable protective effect of nicotinamide against UVA- and/or UVB- induced DNA damage in melanocytes by decreasing both cyclobutane pyrimidine dimers and 8-hydroxy-2'-deoxyguanosine levels. We found that the photoprotective response of nicotinamide was associated with the activation of nucleotide excision repair genes and NRF2 signaling. Further studies are needed to validate our findings in in vivo models.
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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.