Dermatology Commons^™

A Review Of Fixed Drug Eruption With A Special Focus On Generalized Bullous Fixed Drug Eruption., Hannah J. Anderson, Jason B. Lee, Md

Department of Dermatology and Cutaneous Biology Faculty Papers

Fixed drug eruption (FDE) is a cutaneous adverse drug reaction characterized by the onset of rash at a fixed location on the body each time a specific medication is ingested. With each recurrence, the eruption can involve additional sites. Lesions can have overlying vesicles and/or bullae, and when they cover a significant percentage of body surface area, the eruption is referred to as generalized bullous fixed drug eruption (GBFDE). Due to the widespread skin denudation that can be seen in this condition, GBFDE may be confused clinically with Stevens-Johnson syndrome/toxic epidermal necrolysis (SJS/TEN). While treatments described for GBFDE include supportive …

Mirna- And Cytokine-Associated Extracellular Vesicles Mediate Squamous Cell Carcinomas, Joseph P. Flemming, Brianna L. Hill, Mohammed W. Haque, Jessica Raad, Claudine S. Bonder, Larry A. Harshyne, Ulrich Rodeck, Adam J. Luginbuhl, James K. Wall, Iii, Kenneth Y. Tsai, Peter J Wermuth, Andrew M. Overmiller, Mỹ G. Mahoney

Department of Dermatology and Cutaneous Biology Faculty Papers

No abstract provided.

Distinct Cell Stress Responses Induced By Atp Restriction In Quiescent Human Fibroblasts., Nirupama Yalamanchili, Andres Kriete, David Alfego, Kelli M Danowski, Csaba Kari, Ulrich Rodeck

Department of Dermatology and Cutaneous Biology Faculty Papers

Quiescence is the prevailing state of many cell types under homeostatic conditions. Yet, surprisingly little is known about how quiescent cells respond to energetic and metabolic challenges. To better understand compensatory responses of quiescent cells to metabolic stress, we established, in human primary dermal fibroblasts, an experimental 'energy restriction' model. Quiescence was achieved by short-term culture in serum-deprived media and ATP supply restricted using a combination of glucose transport inhibitors and mitochondrial uncouplers. In aggregate, these measures led to markedly reduced intracellular ATP levels while not compromising cell viability over the observation period of 48 h. Analysis of the transcription …

Lasers In Tattoo And Pigmentation Control: Role Of The Picosure(®) Laser System., Richard Torbeck, Richard Bankowski, Sarah Henize, Nazanin Saedi

Department of Dermatology and Cutaneous Biology Faculty Papers

BACKGROUND AND OBJECTIVES: The use of picosecond lasers to remove tattoos has greatly improved due to the long-standing outcomes of nanosecond lasers, both clinically and histologically. The first aesthetic picosecond laser available for this use was the PicoSure(®) laser system (755/532 nm). Now that a vast amount of research on its use has been conducted, we performed a comprehensive review of the literature to validate the continued application of the PicoSure(®) laser system for tattoo removal.

STUDY DESIGN AND METHODS: A PubMed search was conducted using the term "picosecond" combined with "laser", "dermatology", and "laser tattoo removal".

RESULTS: A total …

Ectopic Mineralization Of Cartilage And Collagen-Rich Tendons And Ligaments In Enpp1asj-2j Mice., Jieyu Zhang, Nathaniel A Dyment, David W Rowe, Sarah Y Siu, John P Sundberg, Jouni Uitto, Qiaoli Li

Department of Dermatology and Cutaneous Biology Faculty Papers

Generalized arterial calcification of infancy (GACI), an autosomal recessive disorder caused by mutations in the ENPP1 gene, manifests with extensive mineralization of the cardiovascular system. A spontaneous asj-2J mutant mouse has been characterized as a model for GACI. Previous studies focused on phenotypic characterization of skin and vascular tissues. This study further examined the ectopic mineralization phenotype of cartilage, collagen-rich tendons and ligaments in this mouse model. The mice were placed on either control diet or the "acceleration diet" for up to 12 weeks of age. Soft connective tissues, such as ear (elastic cartilage) and trachea (hyaline cartilage), were processed …

Pressure To Publish For Residency Applicants In Dermatology, Jordan V. Wang, Matthew S. Keller

Department of Dermatology and Cutaneous Biology Faculty Papers

As it grows increasingly difficult to match into a dermatology residency program each year, there is a widening gap in research accomplishments between those who have and have not matched successfully. Applicants should be aware of the current trends in order to maximize their chances of matching. Such research inequality may subsequently lead to increases in the pressure to publish and the incidence of academic misrepresentation. Academic dermatology programs should be aware of these issues in order to help their students successfully match and exercise caution when reviewing the curricula vitae of applicants. We believe that student mentors in dermatology …

Lysyl Hydroxylase 3 Localizes To Epidermal Basement Membrane And Is Reduced In Patients With Recessive Dystrophic Epidermolysis Bullosa., Stephen A Watt, Jasbani H S Dayal, Sheila Wright, Megan Riddle, Celine Pourreyron, James R Mcmillan, Roy M Kimble, Marco Prisco, Ulrike Gartner, Emma Warbrick, W H Irwin Mclean, Irene M Leigh, John A Mcgrath, Julio C Salas-Alanis, Jakub Tolar, Andrew P South

Department of Dermatology and Cutaneous Biology Faculty Papers

Recessive dystrophic epidermolysis bullosa (RDEB) is caused by mutations in COL7A1 resulting in reduced or absent type VII collagen, aberrant anchoring fibril formation and subsequent dermal-epidermal fragility. Here, we identify a significant decrease in PLOD3 expression and its encoded protein, the collagen modifying enzyme lysyl hydroxylase 3 (LH3), in RDEB. We show abundant LH3 localising to the basement membrane in normal skin which is severely depleted in RDEB patient skin. We demonstrate expression is in-part regulated by endogenous type VII collagen and that, in agreement with previous studies, even small reductions in LH3 expression lead to significantly less secreted LH3 …

Spontaneous Asj-2j Mutant Mouse As A Model For Generalized Arterial Calcification Of Infancy: A Large Deletion/Insertion Mutation In The Enpp1 Gene., Qiaoli Li, C Herbert Pratt, Louise A Dionne, Heather Fairfield, Son Yong Karst, John P Sundberg, Jouni Uitto, Yin Tintut

Department of Dermatology and Cutaneous Biology Faculty Papers

Generalized arterial calcification of infancy (GACI), an autosomal recessive disorder caused by mutations in the ENPP1 gene, manifests with extensive mineralization of the cardiovascular system. The affected individuals in most cases die within the first year of life, and there is currently no effective treatment for this disorder. In this study, we characterized a spontaneous mutant mouse, asj-2J, as a model for GACI. These mice were identified as part of a phenotypic deviant search in a large-scale production colony of BALB/cJ mice at The Jackson Laboratory. They demonstrated a characteristic gait due to stiffening of the joints, with phenotypic similarity …

Mouse Models For Pseudoxanthoma Elasticum: Genetic And Dietary Modulation Of The Ectopic Mineralization Phenotypes., Qiaoli Li, Haitao Guo, David W Chou, Annerose Berndt, John P Sundberg, Jouni Uitto

Department of Dermatology and Cutaneous Biology Faculty Papers

Pseudoxanthoma elasticum (PXE), a heritable ectopic mineralization disorder, is caused by mutations in the ABCC6 gene. Null mice (Abcc6(-/-) ) recapitulate the genetic, histopathologic and ultrastructural features of PXE, and they demonstrate early and progressive mineralization of vibrissae dermal sheath, which serves as a biomarker of the overall mineralization process. Recently, as part of a mouse aging study at The Jackson Laboratory, 31 inbred mouse strains were necropsied, and two of them, KK/HlJ and 129S1/SvImJ, were noted to have vibrissae dermal mineralization similar to Abcc6(-/-) mice. These two strains were shown to harbor a single nucleotide polymorphism (rs32756904) in the …

Genodermatoses: Differential Diagnosis Of Cutaneous Elastin Disorders: Cutis Laxa Vs. Pseudoxanthoma Elasticum, Jouni Uitto

Department of Dermatology and Cutaneous Biology Faculty Papers

No abstract provided.

Genodermatoses, Jouni Uitto

Department of Dermatology and Cutaneous Biology Faculty Papers

No abstract provided.