Publications by authors named "Hartmut Rokos"

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Blunted epidermal L-tryptophan metabolism in vitiligo affects immune response and ROS scavenging by Fenton chemistry, part 1: Epidermal H2O2/ONOO(-)-mediated stress abrogates tryptophan hydroxylase and dopa decarboxylase activities, leading to low serotonin and melatonin levels.
Karin U Schallreuter, Mohamed A E L Salem, Nick C J Gibbons, Aurora Martinez, Radomir Slominski, Hartmut Rokos

FASEB J· June 2012

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The redox--biochemistry of human hair pigmentation.
Karin U Schallreuter, Mohamed M A E L Salem, Sybille Hasse, Hartmut Rokos

Pigment Cell Melanoma Res· February 2011

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In vivo and in vitro evidence for epidermal H2O2-mediated oxidative stress in piebaldism.
Tayyebeh Vafaee, Hartmut Rokos, Mohamed M A E L Salem, Karin U Schallreuter

Exp Dermatol· October 2010

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Cholesterol regulates melanogenesis in human epidermal melanocytes and melanoma cells.
Karin U Schallreuter, Sybille Hasse, Hartmut Rokos, Bhaven Chavan, Mohamed Shalbaf

Exp Dermatol· August 2009

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Presence of epidermal allantoin further supports oxidative stress in vitiligo.
Mohammad Shalbaf, Nicholas C J Gibbons, John M Wood, Derek J Maitland, Hartmut Rokos

Exp Dermatol· September 2008

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Methionine sulfoxide reductases A and B are deactivated by hydrogen peroxide (H2O2) in the epidermis of patients with vitiligo.
Karin U Schallreuter, Katharina Rübsam, Nicholas C J Gibbons, Derek J Maitland, Bhaven Chavan, Hartmut Rokos

J Invest Dermatol· April 2008

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Quinones are reduced by 6-tetrahydrobiopterin in human keratinocytes, melanocytes, and melanoma cells.
Karin U Schallreuter, Hartmut Rokos, Bhaven Chavan, Johanna M Gillbro, Eduardo Cemeli

Free Radic Biol Med· February 2008

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Basic research confirms coexistence of acquired Blaschkolinear Vitiligo and acrofacial Vitiligo.
Karin U Schallreuter, Christian Krüger, Hartmut Rokos, Sybille Hasse, Carsten Zothner

Arch Dermatol Res· August 2007

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Oxidative stress via hydrogen peroxide affects proopiomelanocortin peptides directly in the epidermis of patients with vitiligo.
Jennifer D Spencer, Nicholas C J Gibbons, Hartmut Rokos, Eva M J Peters, John M Wood

J Invest Dermatol· February 2007

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Computer simulation of native epidermal enzyme structures in the presence and absence of hydrogen peroxide (H2O2): potential and pitfalls.
Nicholas C J Gibbons, John M Wood, Hartmut Rokos, Karin U Schallreuter

J Invest Dermatol· December 2006

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GTP cyclohydrolase feedback regulatory protein controls cofactor 6-tetrahydrobiopterin synthesis in the cytosol and in the nucleus of epidermal keratinocytes and melanocytes.
Bhaven Chavan, Johanna M Gillbro, Hartmut Rokos, Karin U Schallreuter

J Invest Dermatol· November 2006

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Butyrylcholinesterase is present in the human epidermis and is regulated by H2O2: more evidence for oxidative stress in vitiligo.
Karin U Schallreuter, Nicholas C J Gibbons, Carsten Zothner, Souna M Elwary, Hartmut Rokos

Biochem Biophys Res Commun· October 2006

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Turmeric (curcumin): a widely used curry ingredient, can contribute to oxidative stress in Asian patients with acute vitiligo.
Karin U Schallreuter, Hartmut Rokos

Indian J Dermatol Venereol Leprol· June 2006

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Estrogens can contribute to hydrogen peroxide generation and quinone-mediated DNA damage in peripheral blood lymphocytes from patients with vitiligo.
Karin U Schallreuter, Georgia Chiuchiarelli, Eduardo Cemeli, Souna M Elwary, Johanna M Gillbro, Hartmut Rokos

J Invest Dermatol· May 2006

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Decreased phenylalanine uptake and turnover in patients with vitiligo.
Karin U Schallreuter, Bhaven Chavan, Hartmut Rokos, Nigel Hibberts, Angela Panske

Mol Genet Metab· December 2005

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A novel mechanism in control of human pigmentation by {beta}-melanocyte-stimulating hormone and 7-tetrahydrobiopterin.
Jennifer D Spencer, Bhaven Chavan, Lee K Marles, Sobia Kauser, Hartmut Rokos

J Endocrinol· November 2005

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Vitix--a new treatment for vitiligo?
Karin U Schallreuter, Hartmut Rokos

Int J Dermatol· November 2005

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Activation/deactivation of acetylcholinesterase by H2O2: more evidence for oxidative stress in vitiligo.
Karin U Schallreuter, Souna M A Elwary, Nicholas C J Gibbons, Hartmut Rokos, John M Wood

Biochem Biophys Res Commun· March 2004

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Perturbed 6-tetrahydrobiopterin recycling via decreased dihydropteridine reductase in vitiligo: more evidence for H2O2 stress.
Sybille Hasse, Nicholas C J Gibbons, Hartmut Rokos, Lee K Marles, Karin U Schallreuter

J Invest Dermatol· February 2004

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Oxidative stress in vitiligo: photo-oxidation of pterins produces H(2)O(2) and pterin-6-carboxylic acid.
Hartmut Rokos, Wayne D Beazley, Karin U Schallreuter

Biochem Biophys Res Commun· April 2002

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