Research Topics
Genomes and Genes | Jean KrutmannSummaryAffiliation: Heinrich Heine University Country: Germany Publications
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Detail Information
Publications
Creatine supplementation normalizes mutagenesis of mitochondrial DNA as well as functional consequencesMark Berneburg
Molecular Oncology and Aging, Department of Dermatology, Eberhard Karls University, Tuebingen, Germany
J Invest Dermatol 125:213-20. 2005..These data indicate that increase of the energy precursor creatine protects from functionally relevant, aging-associated mutations of mitochondrial DNA...
Photodamage: pathophysiology - new conceptsJean Krutmann
, , Germany
Eur J Dermatol 12:XV-XVI. 2002
Role of mitochondria in photoaging of human skin: the defective powerhouse modelJean Krutmann
IUF, Duesseldorf, Germany
J Investig Dermatol Symp Proc 14:44-9. 2009..Journal of Investigative Dermatology Symposium Proceedings (2009) 14, 44-49; doi:10.1038/jidsymp.2009.1...
Sun exposure: what molecular photodermatology tells us about its good and bad sidesJean Krutmann
IUF Leibniz Research Institute for Environmental Medicine, Dusseldorf, Germany
J Invest Dermatol 132:976-84. 2012....
Therapeutic photoimmunology: photoimmunological mechanisms in photo(chemo)therapyJ Krutmann
Department of Dermatology, Heinrich Heine University, Dusseldorf, Germany
J Photochem Photobiol B 44:159-64. 1998..UVB and UVA radiation can exert essentially identical immunomodulatory effects, which result, however, from different photobiological mechanisms...
Ultraviolet-free phototherapyJean Krutmann
Environmental Health Research Institute, Heinrich Heine University of Düsseldorf GmbH, Germany
Photodermatol Photoimmunol Photomed 21:59-61. 2005..On the other hand, UV radiation is a complete carcinogen and as a consequence, UV phototherapy is usually not used for the long-term management of children and young adults and in combination with topical or systemic immunosuppressants...
[Premature skin aging by ultraviolet radiation and other environmental hazards. The molecular basis]J Krutmann
Institut für Umweltmedizinische Forschung an der Heinrich Heine Universität gGmbH, Dusseldorf
Hautarzt 54:809-17. 2003..Based on our current understanding of the molecular biological basis of the effects of environmental hazards, this overview aims at listing the most important findings which contribute to aging of the skin...
[Functional food for the skin]J Krutmann
,
Hautarzt 57:280. 2006
[Antibodies and oxidative stress]J Krutman
, ,
Hautarzt 54:300-1. 2003
Pre- and probiotics for human skinJean Krutmann
Institut fur Umweltmedizinische Forschung at Heinrich Heine University, Düsseldorf gGmbH, Auf m Hennekamp 50, D 4025 Düsseldorf, Germany
J Dermatol Sci 54:1-5. 2009..This review will briefly summarize our current understanding of the cutaneous microbiota and summarize existing information on pre- and probiotic strategies for skin...
[Actives. A central component of modern light protection]J Krutmann
Institut fur Umweltmedizinische Forschung, Heinrich Heine Universität Düsseldorf gGmbH, Auf m Hennekamp 50, 40225 Dusseldorf
Hautarzt 60:294-300. 2009..The best example for this group is antioxidants. Currently other new active cosmetic ingredients or actives are being developed that can reduce UV-induced skin damage in a variety of ways...
Induction of the photoaging-associated mitochondrial common deletion in vivo in normal human skinMark Berneburg
Molecular Oncology and Aging, Department of Dermatology, Eberhard Karls University, Tubingen, Germany
J Invest Dermatol 122:1277-83. 2004..Thus, mtDNA mutations are induced in the human skin by repetitive UV exposure. In addition, these mutations seem to represent long-term in-vivo biomarkers for actinic damage in the human skin...
Mechanisms of ultraviolet (UV) B and UVA phototherapyJ Krutmann
Clinical and Experimental Photodermatology, Department of Dermatology, Heinrich Heine University, Dusseldorf, Germany
J Investig Dermatol Symp Proc 4:70-2. 1999..Special emphasis will be given on studies that have identified previously unrecognized immunosuppressive/anti-inflammatory principles of UV phototherapy...
Ultraviolet A radiation-induced biological effects in human skin: relevance for photoaging and photodermatosisJ Krutmann
Clinical and Experimental Photodermatology, Department of Dermatology, Heinrich Heine University, Dusseldorf, Germany
J Dermatol Sci 23:S22-6. 2000....
[Photocarcinogenesis]J Krutmann
Klinische und Experimentelle Photodermatologie, Hautklinik der Heinrich Heine Universität, Dusseldorf
Praxis (Bern 1994) 90:297-9. 2001..Extreme caution is advised before treating XP patients with radiotherapy. Determining the complementation group and radiosensitivity prior to treatment is recommended...
New developments in photoprotection of human skinJ Krutmann
Clinical and Experimental Photodermatology, Department of Dermatology, Heinrich Heine University, Dusseldorf, Germany
Skin Pharmacol Appl Skin Physiol 14:401-7. 2001....
Functional consequences of mitochondrial DNA deletions in human skin fibroblasts: increased contractile strength in collagen lattices is due to oxidative stress-induced lysyl oxidase activityMarc Majora
Institut fuer Umweltmedizinische Forschung, Heinrich Heine University Duesseldorf gGmbH, Auf m Hennekamp 50, Duesseldorf, Germany
Am J Pathol 175:1019-29. 2009..Accordingly, increased LOX expression was also observed in vivo in photoaged human and mouse skin. Therefore, mtDNA deletions in human fibroblasts may lead to functional and structural alterations of the skin...
Collagen fragments inhibit hyaluronan synthesis in skin fibroblasts in response to ultraviolet B (UVB): new insights into mechanisms of matrix remodelingKatharina Röck
Institut fur Pharmakologie und Klinische Pharmakologie, Universitatsklinikum Dusseldorf, 40225 Dusseldorf, Germany
J Biol Chem 286:18268-76. 2011..Therefore, a novel mechanism is presented how proteolytic collagen cleavage may inhibit HA synthesis in dermal fibroblasts during extrinsic skin aging...
Cellular response to infrared radiation involves retrograde mitochondrial signalingPeter Schroeder
Institut für Umweltmedizinische Forschung at the Heinrich Heine University Düsseldorf gGmbH, Auf m Hennekamp 50, D 40225 Duesseldorf, Germany
Free Radic Biol Med 43:128-35. 2007..Thus, IRA, in contrast to UV, elicits a retrograde signaling response in human skin...
Airborne particle exposure and extrinsic skin agingAndrea Vierkötter
Institut für umweltmedizinische Forschung an der Heinrich Heine Universität Düsseldorf gGmbH, Dusseldorf, Germany
J Invest Dermatol 130:2719-26. 2010..These results indicate that particle pollution might influence skin aging as well...
Partial depletion of mitochondrial DNA from human skin fibroblasts induces a gene expression profile reminiscent of photoaged skinPeter Schroeder
Institut fur Umweltmedizinische Forschung, Heinrich Heine University Dusseldorf, Dusseldorf, Germany
J Invest Dermatol 128:2297-303. 2008..Our results support the concept that disruption of mt integrity, for example, by UV-induced mtDNA mutagenesis, is of pathogenetic relevance for photoaging of human skin...
Infrared A radiation influences the skin fibroblast transcriptome: mechanisms and consequencesChristian Calles
Institut fuer Umweltmedizinische Forschung IUF, Cell Biology Molecular Aging Research, Auf m Hennekamp 50, Duesseldorf, Germany
J Invest Dermatol 130:1524-36. 2010..Our results identify IRA as an environmental factor with relevance for skin homeostasis and photoaging...
Changes of MMP-1 and collagen type Ialpha1 by UVA, UVB and IRA are differentially regulated by Trx-1Nicole Buechner
Molecular Cell and Aging Research, Institut fuer Umweltmedizinische Forschung at the University of Duesseldorf gGmbH, Auf m Hennekamp 50, 40225 Duesseldorf, Germany
Exp Gerontol 43:633-7. 2008..Thus, Trx may serve as an important contributor to an "anti-aging therapeutic cocktail"...
Infrared radiation-induced matrix metalloproteinase in human skin: implications for protectionPeter Schroeder
Cell Biology Molecular Ageing Research, Institut fuer Umweltmedizinische Forschung, Heinrich Heine University Düsseldorf gGmbH, Duesseldorf, Germany
J Invest Dermatol 128:2491-7. 2008..Thus, IRA irradiation most likely promotes premature skin aging and topical application of appropriate antioxidants represents an effective photoprotective strategy...
Bioactive molecules from the Blue Lagoon: in vitro and in vivo assessment of silica mud and microalgae extracts for their effects on skin barrier function and prevention of skin ageingSusanne Grether-Beck
Institut fur umweltmedizinische Forschung IUF, Heinrich Heine University Düsseldorf gGmbH, Dusseldorf, Germany
Exp Dermatol 17:771-9. 2008..These observations explain at least some of the beneficial effects of bathing in the Blue Lagoon and provide a scientific basis for the use of Blue Lagoon extracts in cosmetic and/or medical products...
[Photodamage and photoaging--prevention and treatment]Susanne Grether-Beck
, , Germany
J Dtsch Dermatol Ges 3:S19-25. 2005..New developments of therapeutic interventions including DNA repair enzymes will be discussed...
Sunbed use induces the photoaging-associated mitochondrial common deletionVerena Reimann
Institut fur Umweltmedizinische Forschung, Heinrich Heine University Dusseldorf, Dusseldorf, Germany
J Invest Dermatol 128:1294-7. 2008..44-8.89) of the Common Deletion in buttock skin samples after sunbed use. Participants with previous sunbed use showed no increase. This study indicates that sunbed use may contribute to mtDNA deletion-associated skin photoaging...
The osmolyte taurine protects against ultraviolet B radiation-induced immunosuppressionNicole Rockel
Institut fur umweltmedizinische Forschung IUF an der Heinrich Heine Universitat Dusseldorf gGmbH, Dusseldorf, Germany
J Immunol 179:3604-12. 2007..Thus, similar to nucleotide excision repair, taurine uptake is critically involved in photoprotection of the skin...
Adaptation of topoisomerase I paralogs to nuclear and mitochondrial DNAIlaria Dalla Rosa
Institute of Clinical Chemistry and Laboratory Diagnostics, Heinrich Heine University, Medical School, D 40225 Dusseldorf, Germany
Nucleic Acids Res 37:6414-28. 2009..We propose that adaptation of this domain to different chromatin environments in nuclei and mitochondria has driven evolutional development and conservation of organelle-restricted topoisomerase I paralogs in vertebrates...
Photoprotection against UVAR: effective triterpenoids require a lipid raft stabilizing chemical structureMirko Bayer
Caesar and Loretz GmbH, Hilden, Germany Institute of Pharmaceutical Biology, University of Duesseldorf, Duesseldorf, Germany
Exp Dermatol 20:955-8. 2011..This effect depends on the structure of the molecule, because its isomer ursolic acid also integrates within the rafts without inhibiting ceramide formation and upregulation of gene expression...
Ultraviolet A-induced signaling involves a ceramide-mediated autocrine loop leading to ceramide de novo synthesisSusanne Grether-Beck
Institut fuer Umweltmedizinische Forschung at the Heinrich-Heine-University Duesseldorf gGmbH, Duesseldorf, Germany
J Invest Dermatol 125:545-53. 2005....
Proteins of nucleotide and base excision repair pathways interact in mitochondria to protect from loss of subcutaneous fat, a hallmark of agingYork Kamenisch
Department of Dermatology, Eberhard Karls University, D 72076 Tuebingen, Germany
J Exp Med 207:379-90. 2010....
The role of near infrared radiation in photoaging of the skinPeter Schroeder
Institut fuer Umweltmedizinische Forschung, Heinrich Heine University Düsseldorf gGmbH, Auf m Hennekamp 50, D 40225 Duesseldorf, Germany
Exp Gerontol 43:629-32. 2008..As part of natural sunlight, IRA significantly contributes to extrinsic skin aging. This article reviews the cutaneous effects of IRA-radiation, the underlying molecular mechanisms and the available protective strategies...
The SCINEXA: a novel, validated score to simultaneously assess and differentiate between intrinsic and extrinsic skin ageingAndrea Vierkötter
Institut fur umweltmedizinische Forschung IUF, Dusseldorf, Germany
J Dermatol Sci 53:207-11. 2009..Such an ideal score, however, does currently not exist...
Long-term exposure to traffic-related particulate matter impairs cognitive function in the elderlyUlrich Ranft
Institut für Umweltmedizinische Forschung IUF an der Heinrich Heine Universität Düsseldorf, Dusseldorf, Auf m Hennekamp 50, 40225 Dusseldorf, Germany
Environ Res 109:1004-11. 2009..The associations were adjusted for potential confounders using regression analysis. These results indicate that chronic exposure to traffic-related PM may be involved in the pathogenesis of AD...
Interleukin-12 suppresses ultraviolet radiation-induced apoptosis by inducing DNA repairAgatha Schwarz
Ludwig Boltzmann Institute for Cell Biology and Immunobiology of the Skin, Department of Dermatology, , Von-Esmarchstrasse 58, , Germany
Nat Cell Biol 4:26-31. 2002..Our results show that cytokines can protect cells from apoptosis induced by DNA-damaging UV radiation by inducing DNA repair, and that nucleotide-excision repair can be manipulated by cytokines...
Repair of mitochondrial DNA in aging and carcinogenesisMark Berneburg
Molecular Oncology and Aging, Department of Dermatology, Eberhard Karls University, Liebermeisterstrasse 25, D 72076 Tubingen, Germany
Photochem Photobiol Sci 5:190-8. 2006..The role of these defence mechanisms in the removal of mitochondrial DNA damage and the link to aging and carcinogenesis-associated processes are discussed in this review...
'To repair or not to repair - no longer a question': repair of mitochondrial DNA shielding against age and cancerMark Berneburg
Molecular Oncology and Aging, Department of Dermatology, Eberhard Karls University, Tuebingen, Germany
Exp Dermatol 15:1005-15. 2006..According to recent data, mitochondria possess functional repair mechanisms such as base excision repair, double-strand break repair and mismatch repair, yet nucleotide excision repair has so far not been detected...
The aryl hydrocarbon receptor mediates UVB radiation-induced skin tanningBettina Jux
Leibniz Institute for Environmental Medical Research IUF, Dusseldorf, Germany
J Invest Dermatol 131:203-10. 2011..Thus, the environmental signal sensor AhR links solar UVB radiation to skin pigmentation...
Chronic ultraviolet B irradiation causes loss of hyaluronic acid from mouse dermis because of down-regulation of hyaluronic acid synthasesGuang Dai
Molekulare Pharmakologie, Institut für Pharmakologie and Klinische Pharmakologie, Universitätsklinkum Düsseldorf, Dusseldorf, Germany
Am J Pathol 171:1451-61. 2007..In conclusion, chronic UVB irradiation induces loss of HA from the dermis, thereby contributing to the quiescent phenotype of dermal fibroblasts...
Comparative evaluation of the effects of short-term inhalation exposure to diesel engine exhaust on rat lung and brainDamien van Berlo
Institut für umweltmedizinische Forschung an der Heinrich Heine Universität Düsseldorf gGmbH, Dusseldorf, Germany
Arch Toxicol 84:553-62. 2010..Our study shows that a single, short-term inhalation exposure to DEE triggers region-specific gene expression changes in rat brain to an extent comparable to those observed in the lung...
Eczema, respiratory allergies, and traffic-related air pollution in birth cohorts from small-town areasUrsula Kramer
Institut für Umweltmedizinische Forschung at the Heinrich Heine University Auf m Hennekamp 50, Dusseldorf 40225, Germany
J Dermatol Sci 56:99-105. 2009..Traffic-related air pollution (TAP) impairs respiratory health and could influence the development of allergies, as was demonstrated in urban areas with relatively high pollution. Whether eczema is affected by TAP was rarely investigated...
Cutaneous lymphatic malformations in disappearing bone (Gorham-Stout) disease: a novel clue to the pathogenesis of a rare syndromeDaniela Bruch-Gerharz
Department of Dermatology, Bethesda Krankenhaus Duisburg
J Am Acad Dermatol 56:S21-5. 2007..Although bone and soft tissue lesions are the most frequent manifestations of Gorham-Stout disease, skin lesions can occur and may provide a clue to the pathogenesis of this rare syndrome...
Xenobiotic metabolism capacities of human skin in comparison with a 3D-epidermis model and keratinocyte-based cell culture as in vitro alternatives for chemical testing: phase II enzymesChristine Götz
Leibniz Institut für Umweltmedizinische Forschung IUF, Heinrich Heine University Dusseldorf, Dusseldorf, Germany Department of Dermatology and Allergology, University Clinic RWTH Aachen, Aachen, Germany Imperial College London, Hammersmith Campus, London, UK Unilever, Safety and Environmental Assurance Centre, Sharnbrook, Bedford, UK Procter and Gamble, Darmstadt, Germany Nicky Hewitt Scientific Writing Services, Erzhausen, Germany
Exp Dermatol 21:364-9. 2012..We conclude from our studies that 3D epidermal models, like the EPI-200 employed here, are superior over monolayer cultures in mimicking human skin xenobiotic metabolism and thus better suited for dermatotoxicity testing...
The AhR-Nrf2 pathway in keratinocytes: on the road to chemoprevention?Thomas Haarmann-Stemmann
Leibniz Research Institute for Environmental Medicine, Dusseldorf, Germany
J Invest Dermatol 132:7-9. 2012..This newly identified AhR-Nrf2 pathway opens up new opportunities to prevent and treat inflammatory skin diseases...
Six genes associated with the clinical phenotypes of individuals with deficient and proficient DNA repairTobias Gremmel
Institut für Umweltmedizinische Forschung at the Heinrich Heine University gGmbH, Auf m Hennekamp 50, D 40225 Dusseldorf, Germany
Transl Oncogenomics 3:1-13. 2008..Thus, it is possible to identify a small gene subset associated with clinical severity of XP patients also applicable to individuals with no known DNA repair defects...
UVA-1 PhototherapyRenz Mang
Department of Dermatology, , Auf'm Hennekamp 50, , Germany
Photodermatol Photoimmunol Photomed 21:103-8. 2005
Modulation of skin pigmentation by the tetrapeptide PKEK: in vitro and in vivo evidence for skin whitening effectsAlessandra Marini
IUF Leibniz Research Institute for Environmental Medicine, Dusseldorf, Germany
Exp Dermatol 21:140-6. 2012..We demonstrate that PKEK has the capacity to reduce UVB-induced skin pigmentation and may be suited to serve as a skin tone-modulating agent in cosmetic products...
The interaction of UVA and UVB wavebands with particular emphasis on signallingJean Krutmann
Institut fur umweltmedizinische Forschung IUF, Heinrich Heine Universität Düsseldorf gGmbH, Auf m Hennekamp 50, 40225 Dusseldorf, Germany
Prog Biophys Mol Biol 92:105-7. 2006....
Analysis of cytokine profiles in human skinJean Krutmann
, Heinrich-Heine-University, , Germany
Methods Mol Biol 215:23-7. 2003
The compatible solute ectoine protects against nanoparticle-induced neutrophilic lung inflammationUlrich Sydlik
Institut fur Umweltmedizinische Forschung, Dusseldorf, Germany
Am J Respir Crit Care Med 180:29-35. 2009..Because this kind of exposure in modern societies is often unavoidable, a strategy of molecular prevention on an individual level could help to prevent inflammation-derived secondary diseases...
Singlet oxygen-induced attenuation of growth factor signaling: possible role of ceramidesStefan M Schieke
, , , , Germany
Free Radic Res 38:729-37. 2004....
Lightening up the UV response by identification of the arylhydrocarbon receptor as a cytoplasmatic target for ultraviolet B radiationEllen Fritsche
Institut fur umweltmedizinische Forschung IUF, Auf m Hennekamp 50, 40225 Dusseldorf, Germany
Proc Natl Acad Sci U S A 104:8851-6. 2007..The role of the AhR in the UVB stress response was confirmed in vivo by studies employing AhR KO mice...
Cutaneous vascular malformations in disappearing bone (Gorham-Stout) diseaseDaniela Bruch-Gerharz
Department of Dermatology, , , Germany
JAMA 289:1479-80. 2003
Ultraviolet B radiation-induced immunosuppression: molecular mechanisms and cellular alterationsNicole Schade
, Institute for Environmental Medical Research at the Heinrich-Heine University Duesseldorf gGmbH, Auf'm Hennekamp 50, , Germany
Photochem Photobiol Sci 4:699-708. 2005....
Recommendation: daily sun protection in the prevention of chronic UV-induced skin damagePeter Elsner
J Dtsch Dermatol Ges 5:166-73. 2007
Mitochondrial cytochrome c release mediates ceramide-induced activator protein 2 activation and gene expression in keratinocytesSusanne Grether-Beck
Cell Biology, Institut fuer Umweltmedizinische Forschung, Heinrich-Heine-University gGmbH, Auf'm Hennekamp 50, D-40225 Duesseldorf, Germany
J Biol Chem 278:47498-507. 2003..Mitochondria thus have a previously unrecognized function in signaling ceramide-induced transcription factor activation and gene regulation...
Molecular crosstalk of the ultraviolet a and ultraviolet B signaling responses at the level of mitogen-activated protein kinasesStefan M Schieke
J Invest Dermatol 124:857-9. 2005
Different susceptibility of malignant versus nonmalignant human T cells toward ultraviolet A-1 radiation-induced apoptosisRitsuko Yamauchi
Department of Geriatric and Environmental Dermatology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
J Invest Dermatol 122:477-83. 2004....
[Xeroderma pigmentosum: children of the moon]Yared Herouy
Universitäts Hautklinik, Albert Ludwigs Universitat, Freiburg
J Dtsch Dermatol Ges 1:191-8. 2003..Transfection of an intact repair gene which specifically codes for the missing repair protein could open new possibilities in the therapy of xeroderma pigmentosum...
Sunscreens with an absorption maximum of > or =360 nm provide optimal protection against UVA1-induced expression of matrix metalloproteinase-1, interleukin-1, and interleukin-6 in human dermal fibroblastsGabriele Vielhaber
Symrise GmbH and Co. KG, , D-37603, Holzminden, Germany
Photochem Photobiol Sci 5:275-82. 2006....
The osmolyte strategy of normal human keratinocytes in maintaining cell homeostasisUlrich Warskulat
Department of Gastroenterology, Hepatology and Infectiology, , Auf'm Hennekamp 50, , Germany
J Invest Dermatol 123:516-21. 2004..These studies demonstrate that NHK possess an osmolyte strategy, which is important for their capacity to maintain cell volume homeostasis and seems to be part of their response to UV radiation...
Concepts in molecular dermatotoxicologyHans F Merk
Department of Dermatology and Allergology, RWTH Aachen, Aachen, Germany
Exp Dermatol 15:692-704. 2006..From this knowledge, novel concepts for skin protection have been developed. Here, we provide a brief overview of some of the most exciting and intriguing concepts in molecular dermatotoxicology...
Cutaneous effects of infrared radiation: from clinical observations to molecular response mechanismsStefan M Schieke
Institut fuer Umweltmedizinische Forschung (IUF) an der Heinrich-Heine-Universitaet gGmbH, Auf'm Hennekamp 50, D-40225 Duesseldorf, Germany
Photodermatol Photoimmunol Photomed 19:228-34. 2003..This previously unrecognized molecular 'IR response' shows that IR radiation is capable of specifically interfering with cellular functions and provides a molecular basis for biological effects of IR on human skin...
The expression of matrix metalloproteinase-1 mRNA induced by ultraviolet A1 (340-400 nm) is phototherapy relevant to the glutathione (GSH) content in skin fibroblasts of systemic sclerosisLei Yin
Department of Geriatric and Environmental Dermatology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
J Dermatol 30:173-80. 2003..These data support the concept that clinical responses to UVA1 radiation are influenced by the antioxidative state of the patients' skin...
Infrared-A radiation-induced matrix metalloproteinase 1 expression is mediated through extracellular signal-regulated kinase 1/2 activation in human dermal fibroblastsStefanM Schieke
, Auf'm Hennekamp 50, D-40225 Duesseldorf, Germany
J Invest Dermatol 119:1323-9. 2002..This previously unrecognized property of infrared-A points to its possible role in the photoaging of human skin...
Response of severe psoriasis to infliximabRanz Mang
Dermatology 204:156-7. 2002
