Endogenous photosensitizers in human skin

EL Bastos, FH Quina, MS Baptista - Chemical Reviews, 2023 - ACS Publications
Endogenous photosensitizers play a critical role in both beneficial and harmful light-induced
transformations in biological systems. Understanding their mode of action is essential for …

Melanins and melanogenesis: from pigment cells to human health and technological applications

M d'Ischia, K Wakamatsu, F Cicoira… - Pigment cell & …, 2015 - Wiley Online Library
During the past decade, melanins and melanogenesis have attracted growing interest for a
broad range of biomedical and technological applications. The burst of polydopamine …

Chemiexcitation of melanin derivatives induces DNA photoproducts long after UV exposure

S Premi, S Wallisch, CM Mano, AB Weiner… - Science, 2015 - science.org
Mutations in sunlight-induced melanoma arise from cyclobutane pyrimidine dimers (CPDs),
DNA photoproducts that are typically created picoseconds after an ultraviolet (UV) photon is …

The Protective Role of Melanin Against UV Damage in Human Skin

M Brenner, VJ Hearing - Photochemistry and photobiology, 2008 - Wiley Online Library
Human skin is repeatedly exposed to UVR that influences the function and survival of many
cell types and is regarded as the main causative factor in the induction of skin cancer. It has …

Melanocyte biology and skin pigmentation

JY Lin, DE Fisher - Nature, 2007 - nature.com
Melanocytes are phenotypically prominent but histologically inconspicuous skin cells. They
are responsible for the pigmentation of skin and hair, and thereby contribute to the …

The physical and chemical properties of eumelanin

P Meredith, T Sarna - Pigment cell research, 2006 - Wiley Online Library
In this article, we review the current state of knowledge concerning the physical and
chemical properties of the eumelanin pigment. We examine properties related to its …

Current challenges in understanding melanogenesis: bridging chemistry, biological control, morphology, and function

JD Simon, D Peles, K Wakamatsu… - Pigment cell & melanoma …, 2009 - Wiley Online Library
Melanin is a natural pigment produced within organelles, melanosomes, located in
melanocytes. Biological functions of melanosomes are often attributed to the unique …

Chemistry of Mixed Melanogenesis—Pivotal Roles of Dopaquinone

S Ito, K Wakamatsu - Photochemistry and photobiology, 2008 - Wiley Online Library
Melanins can be classified into two major groups—insoluble brown to black pigments
termed eumelanin and alkali‐soluble yellow to reddish‐brown pigments termed …

Endogenous UVA-photosensitizers: mediators of skin photodamage and novel targets for skin photoprotection

GT Wondrak, MK Jacobson… - … & photobiological sciences, 2006 - pubs.rsc.org
Endogenous chromophores in human skin serve as photosensitizers involved in skin
photocarcinogenesis and photoaging. Absorption of solar photons, particularly in the UVA …

The red and the black

JD Simon, DN Peles - Accounts of chemical research, 2010 - ACS Publications
“Pigmentation, which is primarily determined by the amount, the type, and the distribution of
melanin, shows a remarkable diversity in human populations, and in this sense, it is an …