Philip Fleckman, MD


Professor, Division of Dermatology
Acting Division Head

Contact Information

University of Washington
Box 356524
Seattle, WA 98195-6524
Office: 206-543-5290
Fax: 206-543-2489

Clinic Appointments: 206-598-4067
Clinic Fax: 206-598-2267


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Education and Training

M.D., Washington University School of Medicine, 1973
Internship in Medicine at Barnes Hospital, 1973-74
Postdoctoral fellowship in the USPHS, NIMH, NIH, Bethesda, MD, 1974-78
Residency in Dermatology, Yale University School of Medicine, 1978-80

Research Interests

Developmental biology of the distal digit. Healing skin around percutaneous devices. The pathophysiology of the ichthyoses. Most of these studies focus on in vitro models of epidermis.

Clinical Research Interests

General dermatology with special interest in individuals with inherited disorders of keratinization, with nail disorders, and with blistering skin disorders. Dr. Fleckman is the Principal Investigator of the National Registry for Ichthyosis and Related Disorders, an NIH-sponsored research registry for individuals with disorders of keratinization, and is the editor emeritus of the Dermatology Online Journal.

Representative Publications

Underwood R, Usui M, Zhao G, Hauch K, Takeno M, Ratner B, Marshall A, Shi X, Olerud J, Fleckman P: Quantifying the effect of pore size and surface treatment on epidermal incorporation into percutanteously implanted sphere-templated porous biomaterials in mice. J Biomed Mat Res 98(4):499-508, 2011. PMID 216819452

Yeh I, George E, Fleckman P: Eccrine hidiradenitis sine neutrophiles: a toxic response to chemotherapy. J Cutan Pathol 38:905-10, 2011. PMID 21955315

Rajpopat S, Moss C, Mellerio JE, Vahlquist A, Ganemo A, Hellstrom-Pigg M, Ilchyshyn A, Burrows NP, Lestringant GG, Taylor AE, Kennedy CT, Paige DG, Harper JI, Glover M, Fleckman P, Everman D, Fouani MH, Kayserili H, Purvis DJ, Hobson EE, Chu CE, Mein CA, Kelsell DP, O’Toole EA: Harlequin ichthyosis: a review of clinical and molecular findings in 45 cases. Arch Dermatol 147:681-6, 2011. Epub ahead of print, 21 Feb 2011. PMID 21339420

Secor PR, James GA, Fleckman P, Olerud JE, McInnerney K, Stewart PS: Staphylococcus aureus Biofilm and Planktonic Cultures Differentially Impact Gene Expression, MAPK Phosphorylation, and Cytokine Production in Human Keratinocytes. BMC Microbiology 11:143, 2011. PMID 21693040, PMC3146417

Gruber R, Elias PM, Crumrine D, Lin T-K, Brandner J, Hachem J-P, Presland RB, Fleckman P, Janecke AR, Sandilands A, McLean WHI, Fritsch PO, Mildner M, Tschachler E, Schmuth M: Filaggrin genotype in ichthyosis vulgaris predicts dose-dependent abnormalities in epidermal structure and function. Am J Pathol 178:2252-2263, 2011. PMID 21514438, PMC3081164

Oji V, et al: Revised nomenclature and classification of inherited ichthyoses: Results of the First Ichthyosis Consensus Conference in Sorèze 2009. J Am Acad Dermatol 63:601-641, 2010. PMID 19349982

Chatterjea S, Resing K, Old W, Nirunsuksiri W, Fleckman P: Optimization of Filaggrin Expression and Processing in Cultured Rat Keratinocytes. J Dermatol Sci, 61:51-9, 2011. Epub ahead of print, Nov 13, 2010. PMID: 21146962, PMC3031422

Petek LM, Fleckman P, Miller DG. Efficient KRT14 targeting and functional characterization of transplanted human keratinocytes for the treatment of epidermolysis bullosa simplex. Mol Ther 18:1624-1632, 2010, Epub ahead of print Jun 22. PMID 20571545, PMC2956915

Zhao G, Hochwalt PC, Usui ML, Underwood RA, Singh PK, James GA, Stewart PS, Fleckman P, Olerud JE. Delayed wound healing in diabetic (db/db) mice with pseudomonas aeruginosa biofilm challenge – A model for the study of chronic wounds. Wound Repair Regen 18:467-477, 2010. PMID 20731798, PMC2939909

Tavakkol Z, Samuelson D, Pulcini E, Underwood R, Usui M, Costerton JW, James G, Olerud J, Fleckman P: Resident bacterial flora in the skin of C57BL/6 mice housed under specific pathogen free conditions. J Am Assoc Lab Anim Sci 49:588-591, 2010. PMID: 20858360, PMC2949428

Fukano Y, Usui ML, Underwood RA, Isenhath S,Marshall AJ, Hauch KD, Ratner BD, Olerud JE, Fleckman P: Epidermal and dermal integration into sphere-templated porous poly(2-hydroxyethyl methacrylate) implants in mice. J Biomed Mater Res A 94:1172-1186, 2010. PMID: 20694984

Kirker KR, Secor PS, James GA, Fleckman P, Olerud JE, Stewart PS: Loss of viability and induction of apoptosis in human keratinocytes exposed to Staphylococcus aureus biofilms in vitro. Wound Repair Regen 17:690-699, 2009, Epub Aug 11 2009. PMID 19671124.

Fallon PG, Sasaki T, Sandilands A, Campbell LE, Saunders SP, Mangan NE, Callanan JJ, Kawasaki H, Shiohama A, Kubo A, Sundberg JP, Presland RB, Fleckman P, Shimizu N, Kudoh J, Irvine AD, Amagai M, McLean WHI: A homozygous frameshift mutation in the mouse Flg gene facilitates enhanced percutaneous allergen priming. Nat Genet 41:602-8 2009. Eprint ahead of publication 6 April.

Fleckman P, Olerud JE: Models for the histologic study of the skin interface with percutaneous biomaterials. Biomed Mater 034006, 2008. PMID: 18708704.

Farasat S, Wei MH, Liewehr DJ, Steinberg SM, Bale SJ, Fleckman P, Toro JR: Transglutaminase-1 and genotype-phenotype investigations of 104 patients with autosomal recessive congenital ichthyosis the United States. J Med Genet 46:103-111, 2008. PMID 18948357.

Fleckman P, DiGiovanna JD: The ichthyoses. IN Fitzpatrick’s Dermatology in General Medicine. Wolff K, Goldsmith LA, Katz SI, Gilchrest B, Paller AS, Leffell DJ, eds, 7th edn. McGraw Hill, New York, 401-424, 2008.

Isenhath SN, Fukano Y, Usui ML, Underwood RA, Irvin CA, Marshall AJ, Hauch KD, Ratner BD, Fleckman P, Olerud JE: A mouse model to evaluate the interface between skin and a percutaneous device. In press, J Biomed Mater Res A 83A:915-922, 2007. PMID 17567856.

Smith FJD, Irvine AD, Terron-Kwiatkowski A, Sandilands A, Campbell LE, Zhao Y, Liao H, Evans AT, Goudie DR, Lewis-Jones S, Arseculeratne G, Munro CS, Sergeant A, O’Regan G, Bale SJ, Compton JG, DiGiovanna JJ, Presland RB, Fleckman P, McLean WHI: Loss-of-function mutations in the filaggrin gene cause ichthyosis vulgaris. Nat Genet 38:337-342, 2006. PMID 16444271.

Fukano Y, Knowles NG, Usui ML, Underwood RA, Hauch KD, Marshall AJ, Ratner BD, Giachelli C, Carter WG, Fleckman P, Olerud JE: Characterization of an in vitro model for evaluating the interface between skin and percutaneous biomaterials. Wound Repair Regen 14:484-491, 2006. PMID 16939578.

Allan CH, Fleckman P, Fernandes RJ, Hager B, James J, Wisecarver Z, Satterstrom FK, Gutierrez A, Norman A, Pirrone A, Underwood RA, Rubin BP, Zhang M, Ramay HR, Clark JM. Tissue response and Msx1 expression after human fetal digit tip amputation in vitro. Wound Repair Regen 14:398-404, 2006. PMID 16939566.

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