A multimodal assessment of melanin and melanocyte activity in abnormally pigmented hypertrophic scar. (Record no. 1591)

MARC details
000 -LEADER
fixed length control field 04275nam a22005777a 4500
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 160113s20152015 xxu||||| |||| 00| 0 eng d
022 ## - INTERNATIONAL STANDARD SERIAL NUMBER
International Standard Serial Number 1559-047X
040 ## - CATALOGING SOURCE
Original cataloging agency Ovid MEDLINE(R)
099 ## - LOCAL FREE-TEXT CALL NUMBER (OCLC)
PMID 25162947
245 ## - TITLE STATEMENT
Title A multimodal assessment of melanin and melanocyte activity in abnormally pigmented hypertrophic scar.
251 ## - Source
Source Journal of Burn Care & Research. 36(1):77-86, 2015 Jan-Feb.
252 ## - Abbreviated Source
Abbreviated source J Burn Care Res. 36(1):77-86, 2015 Jan-Feb.
253 ## - Journal Name
Journal name Journal of burn care & research : official publication of the American Burn Association
260 ## - PUBLICATION, DISTRIBUTION, ETC.
Year 2015
260 ## - PUBLICATION, DISTRIBUTION, ETC.
Manufacturer FY2016
266 ## - Date added to catalog
Date added to catalog 2016-01-13
501 ## - WITH NOTE
Local holdings Available online through MWHC library: 2006 - present, Available in print through MWHC library: 2006 - present
520 ## - SUMMARY, ETC.
Abstract Using a validated swine model of human scar formation, hyperpigmented and hypopigmented scar samples were examined for their histological and optical properties to help elucidate the mechanisms and characteristics of dyspigmentation. Full-thickness wounds were created on the flanks of red Duroc pigs and allowed to heal. Biopsies from areas of hyperpigmentation, hypopigmentation, and uninjured tissue were fixed and embedded for histological examination using Azure B and primary antibodies to S100B, HMB45, and alpha-melanocyte-stimulating hormone (alpha-MSH). Spatial frequency domain imaging (SFDI) was then used to examine the optical properties of scars. Hyperpigmentation was first noticeable in healing wounds around weeks 2 to 3, gradually becoming darker. There was no significant difference in S100B staining for the presence of melanocytes between hyperpigmented and hypopigmented scar samples. Azure B staining of melanin was significantly greater in histological sections from hyperpigmented areas than in sections from both uninjured skin and hypopigmented scar (P < .0001). There was significantly greater staining for alpha-MSH in hyperpigmented samples compared with hypopigmented samples (P = .0121), and HMB45 staining was positive for melanocytes in hyperpigmented scar. SFDI at a wavelength of 632 nm resulted in an absorption coefficient map correlating with visibly hyperpigmented areas of scars. In a red Duroc model of hypertrophic scar formation, melanocyte number is similar in hyperpigmented and hypopigmented tissues. Hyperpigmented tissues, however, show a greater amount of melanin and alpha-MSH, along with immunohistochemical evidence of stimulated melanocytes. These observations encourage further investigation of melanocyte stimulation and the inflammatory environment within a wound that may influence melanocyte activity. Additionally, SFDI can be used to identify areas of melanin content in mature, pigmented scars, which may lead to its usefulness in wounds at earlier time points before markedly apparent pigmentation abnormalities.
546 ## - LANGUAGE NOTE
Language note English
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element *Cicatrix, Hypertrophic/me [Metabolism]
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element *Cicatrix, Hypertrophic/pa [Pathology]
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element *Hyperpigmentation/me [Metabolism]
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element *Hypopigmentation/me [Metabolism]
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element *Melanins/me [Metabolism]
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element *Melanocytes/ph [Physiology]
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element alpha-MSH/me [Metabolism]
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element Animals
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element Cicatrix, Hypertrophic/et [Etiology]
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element Disease Models, Animal
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element Hyperpigmentation/et [Etiology]
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element Hyperpigmentation/pa [Pathology]
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element Hypopigmentation/et [Etiology]
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element Hypopigmentation/pa [Pathology]
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element Male
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element Swine
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element Wound Healing/ph [Physiology]
651 ## - SUBJECT ADDED ENTRY--GEOGRAPHIC NAME
Institution MedStar Washington Hospital Center
656 ## - INDEX TERM--OCCUPATION
Department Surgery/Burn Services
657 ## - INDEX TERM--FUNCTION
Medline publication type Journal Article
657 ## - INDEX TERM--FUNCTION
Medline publication type Research Support, N.I.H., Extramural
657 ## - INDEX TERM--FUNCTION
Medline publication type Research Support, Non-U.S. Gov't
700 ## - ADDED ENTRY--PERSONAL NAME
Local Authors Jordan, Marion H
700 ## - ADDED ENTRY--PERSONAL NAME
Local Authors Moffatt, Lauren T
700 ## - ADDED ENTRY--PERSONAL NAME
Local Authors Paul, Dereck W
700 ## - ADDED ENTRY--PERSONAL NAME
Local Authors Prindeze, Nicholas J
700 ## - ADDED ENTRY--PERSONAL NAME
Local Authors Shupp, Jeffrey W
700 ## - ADDED ENTRY--PERSONAL NAME
Local Authors Travis, Taryn E
790 ## - Authors
All authors Ghassemi P, Jordan MH, Moffatt LT, Paul DW, Prindeze NJ, Ramella-Roman JC, Shupp JW, Travis TE
856 ## - ELECTRONIC LOCATION AND ACCESS
DOI <a href="http://dx.doi.org/10.1097/BCR.0000000000000154">http://dx.doi.org/10.1097/BCR.0000000000000154</a>
Public note http://dx.doi.org/10.1097/BCR.0000000000000154
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Koha item type Journal Article
Item type description Article
Holdings
Withdrawn status Lost status Damaged status Not for loan Collection Home library Current library Date acquired Total Checkouts Full call number Barcode Date last seen Price effective from Koha item type
          MedStar Authors Catalog MedStar Authors Catalog 01/13/2016   25162947 25162947 01/13/2016 01/13/2016 Journal Article

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