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  1. Article ; Online: A case of recurrent superficial acral fibromyxoma.

    Goo, Jawoong / Jung, Ye-Jin / Kim, Jae-Hong / Lee, Sung-Yul / Ahn, Sung Ku

    Annals of dermatology

    2010  Volume 22, Issue 1, Page(s) 110–113

    Abstract: Superficial acral fibromyxoma (SAFM) is a rare myxoid tumor that was first described in 2001. The presence of a very slow growing solitary tender mass in the subungual area is the typical clinical feature at presentation. Histopathologically, SAFM is ... ...

    Abstract Superficial acral fibromyxoma (SAFM) is a rare myxoid tumor that was first described in 2001. The presence of a very slow growing solitary tender mass in the subungual area is the typical clinical feature at presentation. Histopathologically, SAFM is composed of stellate cells in a myxocollagenous matrix with a poorly circumscribed margin. This tumor is thought to be benign, but its natural course is not fully understood. We describe a 15-year-old patient with recurrent SAFM and discuss the proper treatment and follow up.
    Language English
    Publishing date 2010-02-28
    Publishing country Korea (South)
    Document type Case Reports
    ZDB-ID 1012662-4
    ISSN 2005-3894 ; 1013-9087
    ISSN (online) 2005-3894
    ISSN 1013-9087
    DOI 10.5021/ad.2010.22.1.110
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Expression of antimicrobial peptides such as LL-37 and hBD-2 in nonlesional skin of atopic individuals.

    Goo, Jawoong / Ji, Jae Hong / Jeon, Hyerin / Kim, Min Jung / Jeon, Soo-Young / Cho, Mee-Yon / Lee, Seung Hun / Choi, Eung Ho

    Pediatric dermatology

    2010  Volume 27, Issue 4, Page(s) 341–348

    Abstract: Recurrent skin infection is one of the major complications of atopic dermatitis and can be partly explained by decreased expression of antimicrobial peptides such as human beta-defensin-2 and cathelicidin (LL-37). In the human epidermis, human beta- ... ...

    Abstract Recurrent skin infection is one of the major complications of atopic dermatitis and can be partly explained by decreased expression of antimicrobial peptides such as human beta-defensin-2 and cathelicidin (LL-37). In the human epidermis, human beta-defensin-2 is packed in the lamellar body and LL-37 is co-localized with intercellular lipid lamellae of the stratum corneum; together, these antimicrobial peptides constitute the primary defense system. IL-1alpha, a potent inducer of LL-37 and human beta-defensin-2, is also secreted from the disrupted epidermis for barrier homeostasis. In this study, we investigated whether expression of human beta-defensin-2 and LL-37 is constitutively decreased in the skin of atopic individuals. Nonlesional foreskins from atopic (n=7) and nonatopic (n=7) individuals were analyzed. The expression of LL-37, human beta-defensin-2 and IL-1alpha was analyzed using immunohistochemical staining, Western blot, and real-time polymerase chain reaction. Lamellar body density and secretion were evaluated by electron microscope. Quantitative analysis showed that the expression of each parameter was not significantly different between groups. Thus, basal expression of LL-37 and human beta-defensin-2 was not changed in atopic individuals. These results indicate that the expression of antimicrobial peptides at baseline was not different between nonlesional skin of atopic individuals and normal skin of nonatopic individuals.
    MeSH term(s) Adolescent ; Antimicrobial Cationic Peptides/analysis ; Antimicrobial Cationic Peptides/metabolism ; Child ; Dermatitis, Atopic/immunology ; Foreskin ; Humans ; Interleukin-1alpha/analysis ; Interleukin-1alpha/metabolism ; Male ; Skin/immunology ; beta-Defensins/analysis ; beta-Defensins/metabolism
    Chemical Substances Antimicrobial Cationic Peptides ; DEFB4A protein, human ; Interleukin-1alpha ; beta-Defensins ; ropocamptide (3DD771JO2H)
    Language English
    Publishing date 2010-08-03
    Publishing country United States
    Document type Journal Article
    ZDB-ID 605539-4
    ISSN 1525-1470 ; 0736-8046
    ISSN (online) 1525-1470
    ISSN 0736-8046
    DOI 10.1111/j.1525-1470.2010.01122.x
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Biopositive effects of low-dose UVB on epidermis: coordinate upregulation of antimicrobial peptides and permeability barrier reinforcement.

    Hong, Seung P / Kim, Min J / Jung, Min-Young / Jeon, Hyerin / Goo, Jawoong / Ahn, Sung K / Lee, Seung H / Elias, Peter M / Choi, Eung H

    The Journal of investigative dermatology

    2008  Volume 128, Issue 12, Page(s) 2880–2887

    Abstract: Whereas high-dose ultraviolet B (UVB) is detrimental to the epidermal permeability barrier, suberythemal doses of UVB are used to treat atopic dermatitis (AD), which is characterized by defective permeability barrier and antimicrobial function. As ... ...

    Abstract Whereas high-dose ultraviolet B (UVB) is detrimental to the epidermal permeability barrier, suberythemal doses of UVB are used to treat atopic dermatitis (AD), which is characterized by defective permeability barrier and antimicrobial function. As epidermal permeability barrier and antimicrobial peptide (AMP) expression are coregulated and interdependent functions, we hypothesized that suberythemal doses of UVB exposure could regulate AMP expression in parallel with permeability barrier function. Hairless mice were exposed to 40 mJ cm(-2) UVB (about 1/2 minimal erythema dose) daily for 1 or 3 days. Twenty-four hours after the last exposure, epidermal barrier function was assessed and skin specimens were taken for western blotting, immunohistochemistry, and quantitative reverse transcription-PCR for mouse beta-defensin (mBD)-2, mBD3 and cathelin-related antimicrobial peptide (CRAMP). mRNA levels of the vitamin D receptor (VDR), 1alpha-hydroxylase and key epidermal lipid synthetic enzymes were also quantified. After 3 days of UVB exposure, acceleration of barrier recovery and augmentation in expression of epidermal differentiation markers (for example, involucrin and filaggrin) occurred in parallel with increased mBD2, mBD3, and CRAMP expression at both the mRNA and protein level. VDR, 1alpha-hydroxylase, and the major epidermal lipid synthetic enzymes were also upregulated. When an inhibitor of 1alpha, 25 dihydroxyvitamin D(3) formation, ketoconazole, was applied immediately after UVB exposure, the cutaneous vitamin D system was inhibited, which in turn blocked epidermal lipid synthesis, AMP expression, and permeability barrier homeostasis, suggesting that the beneficial effect of low-dose UVB depends, at least in part, on activation of the cutaneous vitamin D system. Our results provide new insights into the mechanisms whereby low-dose UVB comprises effective therapy for AD.
    MeSH term(s) Animals ; Antimicrobial Cationic Peptides/pharmacology ; Cathelicidins ; Cell Differentiation ; Cholecalciferol/metabolism ; Epidermis/immunology ; Epidermis/radiation effects ; Female ; Immunohistochemistry ; Ketoconazole/pharmacology ; Lipids/chemistry ; Mice ; Mice, Hairless ; Models, Biological ; Permeability ; Receptors, Calcitriol/metabolism ; Ultraviolet Rays
    Chemical Substances Antimicrobial Cationic Peptides ; Cathelicidins ; Lipids ; Receptors, Calcitriol ; Cholecalciferol (1C6V77QF41) ; ropocamptide (3DD771JO2H) ; Ketoconazole (R9400W927I)
    Language English
    Publishing date 2008-06-26
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 80136-7
    ISSN 1523-1747 ; 0022-202X
    ISSN (online) 1523-1747
    ISSN 0022-202X
    DOI 10.1038/jid.2008.169
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: A new classification of pattern hair loss that is universal for men and women: basic and specific (BASP) classification.

    Lee, Won-Soo / Ro, Byung In / Hong, Seung Phil / Bak, Hana / Sim, Woo-Young / Kim, Do Won / Park, Jang Kyu / Ihm, Chull-Wan / Eun, Hee Chul / Kwon, Oh Sang / Choi, Gwang Seong / Kye, Young Chul / Yoon, Tae Young / Kim, Seong-Jin / Kim, Hyung Ok / Kang, Hoon / Goo, Jawoong / Ahn, Seok-Yong / Kim, Minjeong /
    Jeon, Soo Young / Oh, Tak Heon

    Journal of the American Academy of Dermatology

    2007  Volume 57, Issue 1, Page(s) 37–46

    Abstract: Background: Pattern hair loss (PHL) can be classified into several patterns. Currently, the Hamilton-Norwood classification system for men and the Ludwig grade system for women are commonly used to describe patterns of hair loss. However, these pre- ... ...

    Abstract Background: Pattern hair loss (PHL) can be classified into several patterns. Currently, the Hamilton-Norwood classification system for men and the Ludwig grade system for women are commonly used to describe patterns of hair loss. However, these pre-existing classifications have some limitations.
    Objective: To establish an acceptable, universal, and accurate standard of both male and female pattern hair loss and to report its use in determining the incidence of PHL.
    Methods: We developed a new classification system (BASP classification) and then applied this system to classify the types of PHL. The BASP classification was based on observed patterns of hair loss. The basic (BA) types represent the shape of the anterior hairline, and the specific types (SP) represent the density of hair on distinct areas (frontal and vertex). There are four basic types (L, M, C, and U) and two specific types (F and V). The final type is decided by the combination of the assigned basic and specific types. Between November 2004 and June 2005, 2213 Korean subjects, comprised of 1768 males and 445 females, were classified according to the BASP classification at 13 university dermatologic centers nationwide throughout South Korea, as a multicenter study of the Korean Hair Research Society.
    Results: For both sexes, the majority of patients enrolled in the study were in the third and fourth decade of life (65.1% of males and 56.68% of females). In males, the older group as well as the younger group in the study were more likely to have little recession of the frontal hairline (classified as type M1 approximately 2) and diffuse thinning over the top of scalp (type F1 approximately 2). The women in the study developed typical female PHL.
    Limitations: The subjects of our study were mostly outpatients and some inpatients who complained about hair loss, not the general population of Korea.
    Conclusion: The BASP classification is a new stepwise, systematic, and universal classification system for PHL, regardless of sex.
    MeSH term(s) Adult ; Aged ; Alopecia/classification ; Asian Continental Ancestry Group ; Female ; Humans ; Korea ; Male ; Middle Aged
    Language English
    Publishing date 2007-07
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 603641-7
    ISSN 1097-6787 ; 0190-9622
    ISSN (online) 1097-6787
    ISSN 0190-9622
    DOI 10.1016/j.jaad.2006.12.029
    Database MEDical Literature Analysis and Retrieval System OnLINE

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