P Kind

Ludwig-Maximilians-University of Munich, München, Bavaria, Germany

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Publications (117)298.89 Total impact

  • The Journal of Dermatology 04/2004; 31(3):244-6. DOI:10.1111/j.1346-8138.2004.tb00665.x · 2.35 Impact Factor
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    ABSTRACT: The spectrum of mycosis fungoides is exceedingly broad. Many different variants have been described, based on both clinical appearance and histological pattern. A rare form which shows preferential infiltration of hair follicles by malignant lymphocytes is follicular mycosis fungoides. We reviewed our experience with nine cases of follicular mycosis fungoides. The unifying feature was infiltration of the hair follicle epithelium by atypical lymphocytes causing varying degrees of damage to the hair follicles. In some specimens the lymphocytes displayed only minor atypia leading to a misinterpretation as pseudolymphoma. Gene rearrangement studies were particularly helpful for establishing a diagnosis of malignant lymphoma. Additionally, epidermotropism of lymphocytes, eosinophils and mucin deposition were present to varying degrees. Mucin makes the distinction from mycosis fungoides-associated follicular mucinosis difficult. We found both dermal mucin and a follicular mucinosis pattern present at different stages of disease in the same patient. We suggest the term mycosis fungoides-associated follicular mucinosis should be replaced by follicular mycosis fungoides in future lymphoma classification schemes.
    Journal of Cutaneous Pathology 12/2001; 28(10):525-30. DOI:10.1034/j.1600-0560.2001.281006.x · 1.56 Impact Factor
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    ABSTRACT: A matched case-control study was performed in Munich, Germany, in 1996-97 to evaluate the risk of cutaneous melanoma due to ultraviolet (UV) exposure behaviour in Southern Bavaria, Germany. Patients with cutaneous melanoma and controls were investigated by two physicians using a standardized questionnaire to identify risk factors for the development of melanoma, such as professional and leisure sun exposure behaviour. In each person, a total body examination was performed to detect benign skin alterations, phenotypic characteristics and precursor lesions for skin cancer. A total of 271 melanoma patients and 271 controls were individually matched for residence, age and gender. A multiple conditional logistic regression analysis was performed. Of 56 factors, those risk factors with a strong effect on the development of melanoma were: the existence of melanoma in first degree relatives, solar lentigo, actinic keratosis, actinic cheilitis, skin phototype, immediate skin reaction to UV light at the start of the outdoor season, sunburn in childhood and sun exposure during holidays in sunny areas 20 years before melanoma was diagnosed; outdoor activities in childhood were found to be protective. Sunburn in childhood and increased sun exposure during annual holidays in sunny areas should be avoided. In contrast, outdoor activities in childhood, including soccer and gardening, should be encouraged because they are associated with a lower risk of melanoma formation.
    British Journal of Dermatology 11/2001; 145(4):602-9. DOI:10.1046/j.1365-2133.2001.04432.x · 4.10 Impact Factor
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    ABSTRACT: To investigate the mechanisms leading to initiation by ionizing radiation of IL-6 transcription in HeLa cells. HeLa cells were irradiated with X-rays at a dose rate of approximately 1 Gy/min or treated with TPA (100 ng/ml). Transient transfection analysis with truncated IL-6 promoter CAT constructs was used to identify the radiation-sensitive region within the IL-6 promoter/enhancer. For basal expression of the IL-6 gene in unirradiated control cells the presence of the binding site for the nuclear factor kappa B (NF-kappaB) and the multiple response elements (MRE) were necessary. After deletion of either the activator protein (AP)-1 or the MRE site, radiation-induced IL-6 promoter CAT activity was significantly reduced, whereas after deletion of the NF-kappaB site it was completely abolished. Maximal radiation-induced IL-6 promoter CAT activity was observed when the AP-1, NF-kappaB and MRE motifs were present. In electrophoretic mobility shift analyses (EMSA), X-ray-inducible activity was found for NF-kappaB and AP-1 at the MRE constitutive, but no inducible activities were detectable. The nuclear factor IL-6 (NF-IL6) element showed no specific radiation-responsive activity. These results demonstrate that NF-kappaB plays a major role in X-ray-inducible IL-6 expression in HeLa cells. The fact that IL-6 promoter activity was dramatically enhanced in the presence of the MRE and distal AP-1 binding motif is indicative of a cooperative mode of transcriptional activation involving all three transcription factor systems. These data provide new insights into the prodromal events of radiation-induced inflammation of epithelial cells and putatively the cutaneous radiation syndrome.
    International Journal of Radiation Biology 12/2000; 76(11):1443-53. · 1.84 Impact Factor
  • Archives for Dermatological Research 11/2000; 292(11):568-569. DOI:10.1007/s004030000178 · 2.27 Impact Factor
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    ABSTRACT: Little is known about the role of mechanical trauma in the pathogenesis of malignant melanoma. In individual patients, traumatic events have been discussed as a causative factor for the induction of melanoma and diagnosis of melanoma following trauma may raise medico-legal questions. To evaluate the relationship between traumatic single or recurrent events and melanoma characteristics. Retrospective questionnaire in 369 melanoma patients. A large number of patients (337 of 369; 91.3%) denied an association between a possible traumatic event and melanoma formation. Thirty-two of 369 patients (8.7%) considered an association of trauma and melanoma formation likely. Of these 32 patients, 22 patients (13 men, nine women) reported a single event, and 10 patients (four men, six women) a persisting irritation. An irritation of a pre-existing melanocytic naevus was reported by two patients with histologically confirmed melanoma on acquired or congenital naevus. As most of the patients who mentioned a trauma in this study suffered from acral melanoma, or melanoma located on the extremities, a history of trauma should be expected more frequently at these body sites. A review of epidemiological, clinical and scientific research indicates that there seems to be no evidence for single or persistent traumatic events as a causative factor for melanoma formation.
    British Journal of Dermatology 11/2000; 143(4):749-53. DOI:10.1046/j.1365-2133.2000.03770.x · 4.10 Impact Factor
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    ABSTRACT: We report a woman with erythema palmare hereditarium, an anomaly not documented so far in the German literature. It is characterized by a bright erythema of the palms, usually persistent since birth. It is transmitted in an autosomal-recessive mode and has a benign course. In our patient it was possible to trace the palmar erythema over three generations.
    Der Hautarzt 05/2000; 51(4):264-5. · 0.54 Impact Factor
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    ABSTRACT: Twelve patients with large plaque parapsoriasis (LPP) were investigated for the presence of predominant T-cell clones, analyzing the T-cell receptor (TCR) gamma-chain gene. The diagnostic and prognostic significance of TCR gene rearrangement status was assessed by a correlation with the long-term clinical follow-up. Six out of 12 patients showed a clonal T-cell population. Clinically, among the patients with clonal disease one developed clearcut mycosis fungoides (MF) after a follow-up of 8 years, in the other 5 patients no such diagnosis could be made after follow-up of 2-21 years (median: 9 years). In patients with polyclonal infiltrates the lesions remained virtually unchanged. These findings indicate that in LPP TCR gene rearrangement status has no prognostic significance and does not allow distinction of LPP and early MF. Both conditions show a clonal T-cell infiltrate with similar frequency, are very similar in clinical and histologic presentation and according to recent studies share the same low risk to develop overt MF. Therefore both terms refer to the identical clinical situation. This should be designated as early MF and efforts should concentrate on identifying those patients that are at risk to develop aggressive disease.
    Journal of Cutaneous Pathology 03/2000; 27(2):57-60. DOI:10.1034/j.1600-0560.2000.027002057.x · 1.56 Impact Factor
  • British Journal of Dermatology 12/1999; 141(5):955. DOI:10.1046/j.1365-2133.1999.03222.x · 4.10 Impact Factor
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    ABSTRACT: Ultraviolet radiation is a pathogenic factor in various diseases, e. g., autoimmune disorders such as lupus erythematosus. On the other hand, endogenous retroviruses are discussed as etiologic agents in lupus erythematosus. Therefore, we investigated the influence of ultraviolet irradiation on expression of human endogenous retroviral sequences and human endogenous retroviral sequence promoter-driven transcription of cellular genes using human epidermal keratinocytes as a model system. First, conserved sequences of endogenous retroviral pol genes were amplified from cellular mRNA by reverse transcriptase polymerase chain reaction with degenerate oligonucleotide primers. Polymerase chain reaction products were hybridized in a reverse dot blot hybridization assay to a representative number of distinct cloned human endogenous retroviral pol fragments. Using this method, we could show that irradiation with 30 mJ per cm2 ultraviolet B activates transcription of various endogenous retroviral pol sequences in primary epidermal keratinocytes as well as in a spontaneously immortalized keratinocyte cell line (HaCaT). Interestingly, some of these sequences were found to be closely related to pol sequences of human endogenous retroviral sequences which have been shown to be expressed in autoimmune patients. Analysis of human endogenous retroviral pol expression in vivo using skin biopsies of lupus erythematosus patients revealed similar activation patterns. In a second approach, ultraviolet B- induced chimeric transcripts were isolated which are initiated by human endogenous retroviral promoters and proceed into cellular sequences using a newly established modified differential display polymerase chain reaction technique. The activation of human endogenous retroviral sequence transcription by ultraviolet B may contribute to the pathogenesis of lupus erythematosus, where inappropriate antigenic presentation of ultraviolet B-induced viral and cellular proteins could stimulate autoantibody production.
    Journal of Investigative Dermatology 11/1999; 113(4):587-94. DOI:10.1046/j.1523-1747.1999.00728.x · 6.37 Impact Factor
  • American Journal of Dermatopathology 01/1999; 21(1):93. DOI:10.1097/00000372-199902000-00081 · 1.43 Impact Factor
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    ABSTRACT: In situ polymerase chain reaction (PCR) and PCR in situ hybridization are new diagnostic tools in dermatopathology. These techniques can combine the sensitivity of PCR with the advantage of in situ hybridization to localize specific cellular structures. With optical control of the PCR reaction product in these techniques, false-positive results due to contamination can be minimized. Several working protocols have been established which allow detection of DNA and RNA sequences in a rapid and reproducible manner. Two different methods have been established to detect the amplification product, the indirect PCR in situ hybridization (PCRisHyb), and the direct in situ PCR (isPCR). An easy and reproducible method for PCRisHyb and isPCR in formalin-fixed and paraffin-embedded tissue is described and the two techniques are compared. Using both isPCR and PCRisHyb, the amplification product can be visualized with an optimal morphological preservation of the tissue. Indirect PCRisHyb showed a slightly higher specificity whereas direct isPCR was the quicker, easier and less expensive method.
    Der Pathologe 08/1998; 19(4):313-7. · 0.64 Impact Factor
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    ABSTRACT: The product of the p16/INK4a/CDKN2/MTS1 tumor-suppressor gene acts as a negative cell cycle regulator by inhibiting G1 cyclin-dependent kinases that phosphorylate the retinoblastoma protein. p16 is inactivated in a wide range of human malignancies, including familial melanoma. However, its expression and function in sporadic melanoma has not been extensively investigated. We studied p16 expression in 62 archival melanomas and 30 archival nevi and lentigines by immunohistochemistry. Eighteen of 26 (69%) superficial spreading melanomas, 17 of 28 (61%) nodular melanomas, all of three lentigo maligna melanomas, and all of five melanoma metastases were found to harbor less than 10% p16-positive tumor cells. In contrast, only six of 24 (25%) nevi had less than 10% positive cells. No correlation between tumor thickness and loss of p16 expression was found. Using DNA from micro-dissected tumor and matched normal tissues, five of seven (71%) p16-negative melanoma cases had 9p21 loss of heterozygosity (LOH), and one of these 9p21 LOH cases had promoter region hypermethylation of the remaining p16 allele. These data demonstrate that partial or complete loss of p16 expression is prevalent in sporadic melanoma and is frequently associated with 9p21 LOH.
    Journal of Cutaneous Pathology 08/1998; 25(6):291-6. · 1.56 Impact Factor
  • Archives of Dermatology 07/1998; 134(6):753-4. DOI:10.1001/archderm.134.6.753 · 4.31 Impact Factor
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    ABSTRACT: In-situ-PCR und PCR-in-situ-Hybridisierung sind neue molekularbiologische Methoden für Forschung und Diagnostik, die die Empfindlichkeit einer Polymerasekettenreaktion mit dem Vorteil der In-situ-Hybridisierung verbinden, gesuchte DNS-Abschnitte spezifisch einzelnen Zellen zuzuordnen. Zusätzlich kann durch optische Kontrolle des Reaktionsproduktes die Gefahr falsch-positiver Resultate durch Kontamination mit Fremd-DNS minimiert werden. In den letzten Jahren wurde eine Vielzahl von Anwendungsprotokollen beschrieben, die es erlauben, spezifische DNA- und RNA-Sequenzen mit Hilfe dieser Methode in einfacher Weise darzustellen. Grundsätzlich werden 2 verschiedene Methoden des DNS-Nachweises verwendet, die indirekte PCR-in-situ-Hybridisierung (PCRisHyb) und die direkte In-situ-PCR (isPCR). Anhand eines Fallbeispiels wird eine schnelle und reproduzierbare Methode für die PCRisHyb bzw. die isPCR an formalinfixiertem Paraffinmaterial vorgestellt und beide Techniken verglichen. Bei beiden durchgeführten Methoden (isPCR und PCRisHyb) zeigt sich eine gut sichtbare Darstellung des Amplifikationsproduktes bei optimal erhaltener Gewebsmorphologie. Der Vorteil der indirekten PCRisHyb liegt in der höheren Spezifität, während die direkte isPCR schneller, einfacher und kostengünstiger durchzuführen ist. In situ polymerase chain reaction (PCR) and PCR in situ hybridization are new diagnostic tools in dermatopathology. These techniques can combine the sensitivity of PCR with the advantage of in situ hybridization to localize specific cellular structures. With optical control of the PCR reaction product in these techniques, false-positive results due to contamination can be minimized. Several working protocols have been established which allow detection of DNA and RNA sequences in a rapid and reproducible manner. Two different methods have been established to detect the amplification product, the indirect PCR in situ hybridization (PCRisHyb), and the direct in situ PCR (is PCR). An easy and reproducible method for PCRisHyb and isPCR in formalin-fixed and paraffin-embedded tissue is described and the two techniques are compared. Using both isPCR and PCRisHyb, the amplification product can be visualized with an optimal morphological preservation of the tissue. Indirect PCRisHyb showed a slightly higher specificity whereas direct isPCR was the quicker, easier and less expensive method.
    Der Pathologe 06/1998; 19(4):313-317. DOI:10.1007/s002920050290 · 0.64 Impact Factor
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    ABSTRACT: The product of the p16/INK4a/CDKN2/MTS1 tumor-suppressor gene acts as a negative cell cycle regulator by inhibiting G1 cyclin-dependent kinases that phosphorylate the retinoblastoma protein. p16 is inactivated in a wide range of human malignancies, including familial melanoma. However, its expression and function in sporadic melanoma has not been extensively investigated. We studied p16 expression in 62 archival melanomas and 30 archival nevi and lentigines by immunohistochemistry. Eighteen of 26 (69%) superficial spreading melanomas, 17 of 28 (61%) nodular melanomas, all of three lentigo maligna melanomas, and all of five melanoma metastases were found to harbor less than 10%p16-positive tumor cells. In contrast, only six of 24 (25%) nevi had less than 10% positive cells. No correlation between tumor thickness and loss of p16 expression was found. Using DNA from micro-dissected tumor and matched normal tissues, five of seven (71%) p16-negative melanoma cases had 9p21 loss of heterozygosity (LOH), and one of these 9p21 LOH cases had promoter region hypermethylation of the remaining p16 allele. These data demonstrate that partial or complete loss of p16 expression is prevalent in sporadic melanoma and is frequently associated with 9p21 LOH.
    Journal of Cutaneous Pathology 06/1998; 25(6):291 - 296. DOI:10.1111/j.1600-0560.1998.tb01748.x · 1.56 Impact Factor
  • Journal of Dermatological Science 03/1998; 16. DOI:10.1016/S0923-1811(98)83958-3 · 3.34 Impact Factor
  • Journal of Dermatological Science 03/1998; 16. DOI:10.1016/S0923-1811(98)83101-0 · 3.34 Impact Factor
  • Journal of Dermatological Science 03/1998; 16. DOI:10.1016/S0923-1811(98)84171-6 · 3.34 Impact Factor
  • Journal of Dermatological Science 03/1998; 16. DOI:10.1016/S0923-1811(98)84348-X · 3.34 Impact Factor

Publication Stats

2k Citations
298.89 Total Impact Points

Institutions

  • 1993–2000
    • Ludwig-Maximilians-University of Munich
      • Department of Dermatology and Allergology
      München, Bavaria, Germany
  • 1998
    • Fred Hutchinson Cancer Research Center
      Seattle, Washington, United States
    • University of Michigan
      Ann Arbor, Michigan, United States
  • 1997
    • Universität Ulm
      Ulm, Baden-Württemberg, Germany
  • 1996
    • NCI-Frederick
      • Laboratory of Pathology
      Maryland, United States
  • 1987–1990
    • Heinrich-Heine-Universität Düsseldorf
      Düsseldorf, North Rhine-Westphalia, Germany
  • 1984
    • University Hospital München
      München, Bavaria, Germany