Disturbed melanin synthesis and chronic oxidative stress in dysplastic naevi

S Pavel, F van Nieuwpoort, H van der Meulen… - European journal of …, 2004 - Elsevier
Dysplastic naevi (DN) are a known risk factor for malignant melanoma. Their occurrence is
closely connected with the degree of skin pigmentation. People with a light complexion are …

Increased Melanogenesis is a Risk Factor for Oxidative DNA Damage— Study on Cultured Melanocytes and Atypical Nevus Cells

NPM Smit, FA Van Nieuwpoort, L Marrot… - Photochemistry and …, 2008 - Wiley Online Library
Melanin synthesis is an oxygen‐dependent process that acts as a potential source of
reactive oxygen species (ROS) inside pigment‐forming cells. The synthesis of the lighter …

Current update and trends in melanin pigmentation and melanin biology

K Jimbow - The Keio journal of medicine, 1995 - jstage.jst.go.jp
Certain aspects of current progress in melanin biology and its possible clinical relevances
are reviewed with emphasis on some of our recent research activities. The important aspects …

Dysplastic melanocytic nevi contain high levels of pheomelanin: quantitative comparison of pheomelanin/eumelanin levels between normal skin, common nevi, and …

TG Salopek, K Yamada, S Ito… - Pigment cell research, 1991 - Wiley Online Library
The degree and type of melanogenesis, ie, either eumelanin of pheomelanin, has been
shown to be a reliable marker for the differentiation of the melanocyte. If exposed to UV light …

Melanosomal Damage in Normal Human Melanocytes Induced by UVB and Metal Uptake—A Basis for the Pro‐oxidant State of Melanoma

S Gidanian, M Mentelle… - Photochemistry and …, 2008 - Wiley Online Library
Melanins are ubiquitous catecholic pigments, formed in organelles called melanosomes
within melanocytes, the function of which is to protect skin against harmful effects of UV …

Oxidative stress in melanogenesis and melanoma development

K Kamiński, U Kazimierczak, T Kolenda - Contemporary Oncology …, 2022 - termedia.pl
Melanoma is the most aggressive skin cancer, with a growing number of incidents
worldwide and with no effective cure in a metastatic stage so far. There are several …

Dysplastic naevi with moderate to severe histological dysplasia: a risk factor for melanoma

AR Shors, S Kim, E White, Z Argenyi… - British journal of …, 2006 - academic.oup.com
Background The risk of malignant melanoma associated with histologically dysplastic naevi
(HDN) has not been defined. While clinically atypical naevi appear to confer an independent …

Ectopic expression of tyrosinase increases melanin synthesis and cell death following UVB irradiation in fibroblasts from familial atypical multiple mole and melanoma …

A Yoneta, T Yamashita, HY Jin, S Kondo… - Melanoma …, 2004 - journals.lww.com
Patients with familial atypical multiple mole and melanoma (FAMMM)[so-called familial
dysplastic naevus syndrome (FDNS)] have a high risk for the development of malignant …

Melanogenesis stimulation in B16-F10 melanoma cells induces cell cycle alterations, increased ROS levels and a differential expression of proteins as revealed by …

ES Cunha, R Kawahara, MK Kadowaki… - Experimental Cell …, 2012 - Elsevier
Considering that stimulation of melanogenesis may lead to alterations of cellular responses,
besides melanin production, our main goal was to study the cellular effects of …

The role of ultraviolet radiation and tyrosine stimulated melanogenesis in the induction of oxidative stress alterations in fair skin melanocytes

I Baldea, T Mocan, R Cosgarea - Experimental oncology, 2009 - dspace.nbuv.gov.ua
Melanocytes are producing melanin after UV irradiation as a defense mechanism. However,
UV-induced damage is involved in melanoma initiation, depending on skin phototype …