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Skin of Color

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81. A Major Locus for Quantitatively Measured Shank Skin Color Traits in Korean Native Chicken (PubMed)

A Major Locus for Quantitatively Measured Shank Skin Color Traits in Korean Native Chicken Shank skin color of Korean native chicken (KNC) shows large color variations. It varies from white, yellow, green, bluish or grey to black, whilst in the majority of European breeds the shanks are typically yellow-colored. Three shank skin color-related traits (i.e., lightness [L*], redness [a*], and yellowness [b*]) were measured by a spectrophotometer in 585 progeny from 68 nuclear families in the KNC (...) resource population. We performed genome scan linkage analysis to identify loci that affect quantitatively measured shank skin color traits in KNC. All these birds were genotyped with 167 DNA markers located throughout the 26 autosomes. The SOLAR program was used to conduct multipoint variance-component quantitative trait locus (QTL) analyses. We detected a major QTL that affects b* value (logarithm of odds [LOD] = 47.5, p = 1.60×10-49) on GGA24 (GGA for Gallus gallus). At the same location, we also

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2016 Asian-Australasian journal of animal sciences

82. Variation in Hsp70-1A expression contributes to skin color diversity. (PubMed)

Variation in Hsp70-1A expression contributes to skin color diversity. The wide range in human skin color results from varying levels of the pigment melanin. Genetic mechanisms underlying coloration differences have been explored, but identified genes do not account for all variation seen in the skin color spectrum. Post-transcriptional and post-translational regulation of factors that determine skin color, including melanin synthesis in epidermal melanocytes, melanosome transfer (...) contributes to the diversity of skin color by regulating the amount of melanin synthesized in melanocytes and modulating autophagic melanosome degradation in keratinocytes.Copyright © 2016 The Authors. Published by Elsevier Inc. All rights reserved.

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2016 Journal of Investigative Dermatology

83. Race and Skin Color in Latino Health: An Analytic Review. (PubMed)

Race and Skin Color in Latino Health: An Analytic Review. We examined 22 articles to compare Black Latinos/as' with White Latinos/as' health and highlight findings and limitations in the literature. We searched 1153 abstracts, from the earliest on record to those available in 2016. We organized the articles into domains grounded on a framework that incorporates the effects of race on Latinos/as' health and well-being: health and well-being, immigration, psychosocial factors, and contextual (...) factors. Most studies in this area are limited by self-reported measures of health status, inconsistent use of race and skin color measures, and omission of a wider range of immigration-related and contextual factors. We give recommendations for future research to explain the complexity in the Latino/a population regarding race, and we provide insight into Black Latinos/as experiences.

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2016 American Journal of Public Health

84. Interval mapping for red/green skin color in Asian pears using a modified QTL-seq method (PubMed)

Interval mapping for red/green skin color in Asian pears using a modified QTL-seq method Pears with red skin are attractive to consumers and provide additional health benefits. Identification of the gene(s) responsible for skin coloration can benefit cultivar selection and breeding. The use of QTL-seq, a bulked segregant analysis method, can be problematic when heterozygous parents are involved. The present study modified the QTL-seq method by introducing a |Δ(SNP-index)| parameter to improve (...) the accuracy of mapping the red skin trait in a group of highly heterozygous Asian pears. The analyses were based on mixed DNA pools composed of 28 red-skinned and 27 green-skinned pear lines derived from a cross between the 'Mantianhong' and 'Hongxiangsu' red-skinned cultivars. The 'Dangshansuli' cultivar genome was used as reference for sequence alignment. An average single-nucleotide polymorphism (SNP) index was calculated using a sliding window approach (200-kb windows, 20-kb increments). Nine

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2017 Horticulture research

85. Use of plumage and gular pouch color to evaluate condition of oil spill rehabilitated California brown pelicans (Pelecanus occidentalis californicus) post-release. (PubMed)

to condition can provide information on physiological status of birds. We evaluated plumage molt and gular pouch skin color of California brown pelicans (Pelecanus occidentalis californicus) following oil contamination and rehabilitation to test for differences between previously oiled and rehabilitated (post-spill) and presumably uncontaminated pelicans. Post-spill pelicans released with either color leg bands alone, or bands plus harness-mounted satellite GPS tags, were relocated and visually assessed (...) Use of plumage and gular pouch color to evaluate condition of oil spill rehabilitated California brown pelicans (Pelecanus occidentalis californicus) post-release. Sublethal effects of oil spills may dampen seabird rehabilitation success due to lingering negative impacts of contamination and stress on reproduction and long-term survival. These effects can be difficult to measure while birds are in care as well as once birds are released. Expression of sexually selected traits that are sensitive

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2019 PLoS ONE

86. Validity and reliability of the Munsell® soil color charts for assessing human skin color. (PubMed)

Validity and reliability of the Munsell® soil color charts for assessing human skin color. Skin pigmentation is a key factor for ultraviolet radiation exposure-related cancers and can make a significant contribution to the patterns of other diseases. For surveys, and to appropriately target cancer control activities, valid and reliable measures of skin color are required.Validity and reliability of the Munsell Soil Color Charts were investigated for skin color assessment. The unexposed skin (...) color of 280 university students was measured by spectrophotometer to calculate an Individual Typology Angle (ITA) value, and categorized by two independent raters according to the Munsell system (the latter was repeated after a 7-day interval).Interrater and intrarater reliability for the Munsell charts was found to be acceptable [intraclass correlation coefficients (ICC) of 0.85 and 0.86, respectively]. When ITA values were converted to the six Del Bino skin color categories, weighted κ

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2014 Cancer Epidemiology & Biomarkers and Prevention

87. The color of health: Skin color, ethnoracial classification, and discrimination in the health of Latin Americans. (PubMed)

The color of health: Skin color, ethnoracial classification, and discrimination in the health of Latin Americans. Latin America is one of the most ethnoracially heterogeneous regions of the world. Despite this, health disparities research in Latin America tends to focus on gender, class and regional health differences while downplaying ethnoracial differences. Few scholars have conducted studies of ethnoracial identification and health disparities in Latin America. Research that examines (...) multiple measures of ethnoracial identification is rarer still. Official data on race/ethnicity in Latin America are based on self-identification which can differ from interviewer-ascribed or phenotypic classification based on skin color. We use data from Brazil, Colombia, Mexico, and Peru to examine associations of interviewer-ascribed skin color, interviewer-ascribed race/ethnicity, and self-reported race/ethnicity with self-rated health among Latin American adults (ages 18-65). We also examine

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2014 Social Science & Medicine

88. Skin Transcriptome Profiles Associated with Skin Color in Chickens (PubMed)

Skin Transcriptome Profiles Associated with Skin Color in Chickens Nutritional and medicinal benefits have been attributed to the consumption of tissues from the black-boned chickens in oriental countries. Lueyang black-boned chicken is one of the native chicken breeds. However, some birds may instead have white or lighter skin, which directly causes economic losses every year. Previous studies of pigmentation have focused on a number of genes that may play important roles in coat color (...) expressed in the black versus white chickens, consisting of 73 genes that were up-regulated (including 4 highly expressed genes that were expressed exclusively in the skin of the black chickens) and 89 genes that were down-regulated. There were also a total of 8 known coat-color genes expressed in previous studies (ASIP, TYR, KIT, TYRP1, OCA2, KITLG, MITF and MC1R). In this study, 4 of which showed greater expression in the black chickens, and several were up-regulated, such as KIT, ASIP, TYR and OCA2

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2015 PloS one

89. Dermatologic conditions in patients of color who are pregnant (PubMed)

Dermatologic conditions in patients of color who are pregnant Certain dermatoses that present during pregnancy have a predilection for populations with skin of color (SOC). Additionally, certain systemic diseases such as systemic lupus erythematosus tend to be more aggressive during pregnancy and confer worse prognoses in women with SOC. The purpose of this review is to highlight the unique implications of selected diseases during pregnancy as it relates to SOC. Dermatologists should (...) be vigilant for the unique clinical variations of dermatological conditions in patients of color who are pregnant to ensure correct diagnoses and optimize treatment outcomes.

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2017 International journal of women's dermatology

90. Genomic expression differences between cutaneous cells from red hair color individuals and black hair color individuals based on bioinformatic analysis (PubMed)

Genomic expression differences between cutaneous cells from red hair color individuals and black hair color individuals based on bioinformatic analysis The MC1R gene plays a crucial role in pigmentation synthesis. Loss-of-function MC1R variants, which impair protein function, are associated with red hair color (RHC) phenotype and increased skin cancer risk. Cultured cutaneous cells bearing loss-of-function MC1R variants show a distinct gene expression profile compared to wild-type MC1R cultured (...) cutaneous cells. We analysed the gene signature associated with RHC co-cultured melanocytes and keratinocytes by Protein-Protein interaction (PPI) network analysis to identify genes related with non-functional MC1R variants. From two detected networks, we selected 23 nodes as hub genes based on topological parameters. Differential expression of hub genes was then evaluated in healthy skin biopsies from RHC and black hair color (BHC) individuals. We also compared gene expression in melanoma tumors from

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2016 Oncotarget

91. What Is the Utility of Ultrasonography for the Identification of Skin and Soft Tissue Infections in the Emergency Department?

What Is the Utility of Ultrasonography for the Identification of Skin and Soft Tissue Infections in the Emergency Department? What Is the Utility of Ultrasonography for the Identification of Skin and Soft Tissue Infections in the Emergency Department? - Annals of Emergency Medicine Email/Username: Password: Remember me Search Terms Search within Search Share this page Access provided by Volume 70, Issue 4, Pages 580–582 What Is the Utility of Ultrasonography for the Identification of Skin (...) and Soft Tissue Infections in the Emergency Department? x Michael Gottlieb , MD, RDMS (EBEM Commentator) , x Ananda Vishnu Pandurangadu , MD (EBEM Commentator) Department of Emergency Medicine, Rush University Medical Center, Chicago, IL DOI: | Publication History Published online: March 15, 2017 Expand all Collapse all Article Outline Take-Home Message Point-of-care ultrasonographic examination of skin and soft tissue infections enhances the ability to differentiate abscesses from cellulitis. Methods

2017 Annals of Emergency Medicine Systematic Review Snapshots

92. What Is the Utility of Ultrasonography for the Identification of Skin and Soft Tissue Infections in the Emergency Department?

What Is the Utility of Ultrasonography for the Identification of Skin and Soft Tissue Infections in the Emergency Department? TAKE-HOME MESSAGE Point-of-care ultrasonographic examination of skin and soft tissue infections enhances the ability to differentiate abscesses from cellulitis. What Is the Utility of Ultrasonography for the Identi?cationofSkinandSoftTissueInfectionsinthe Emergency Department? EBEM Commentators Michael Gottlieb, MD, RDMS Ananda Vishnu Pandurangadu, MD Department (...) of ultrasonography ranged from 90% to 98% and the speci?city ranged from 67% to 88% in the 6 initially included trials. The sensi- tivity of clinical examination ranged from 75% to 95% and the speci?city ranged from 60% to 84%. After removal of the study by Marin et al, 1 the pooled sensitivity andspeci?cityforultrasonography in the remaining trials were 97% and 83%, respectively (see Table). Operating characteristics of ultrasonography for the evaluation of skin and soft tissue infections. Operating

2017 Annals of Emergency Medicine Systematic Review Snapshots

93. Assessment of Predictors of Sun Sensitivity as Defined by Fitzpatrick Skin Phototype in an Ecuadorian Population and Its Correlation with Skin Damage. (PubMed)

if ethnicity, hair color, and eye color significantly predict FSPTS. In addition, we studied the correlation between FSPTS and the SCINEXA scale with Pearson's correlation coefficient.Ethnicity, eye color, and hair color are significant independent predictors of FSPTS (p < 0.0001).Patient self-reported race and pigmentary phenotypes are inaccurate predictors of sun sensitivity as defined by Fitzpatrick skin phototype. Our study does not fully represent the population of the country. There are limitations (...) Assessment of Predictors of Sun Sensitivity as Defined by Fitzpatrick Skin Phototype in an Ecuadorian Population and Its Correlation with Skin Damage. The Fitzpatrick skin phototype scale (FSPTS) is a widely used instrument to assess skin type.A cross-sectional survey collected responses from 254 subjects from Quito regarding self-reported FSPTS, gender, age, education, and tobacco and alcohol consumption. Univariate and multivariate logistic regression analyses were performed to determine

2019 Dermatology

94. Skin Cancer Prevention: Behavioral Counseling

severe damage occurs, such as with severe sunburns. Persons with fair skin types (ivory or pale skin, light hair and eye color, freckles, or those who sunburn easily) are at increased risk of skin cancer. Persons who use tanning beds and those with a history of sunburns or previous skin cancer are also at substantially increased risk of skin cancer. Other factors that further increase risk include an increased number of nevi (moles) and atypical nevi, family history of skin cancer, HIV infection (...) of skin cancer counseling predominantly include persons with fair skin types, the USPSTF limited its recommendation to this population. Assessment of Risk Persons with fair skin types (ivory or pale skin, light eye color, red or blond hair, freckles, those who sunburn easily) are at increased risk of skin cancer and should be counseled. Other factors that further increase risk include a history of sunburns, previous use of indoor tanning beds, and a family or personal history of skin cancer. Persons

2018 U.S. Preventive Services Task Force

95. Expression levels of GSTA2 and APOD genes might be associated with carotenoid coloration in golden pheasant (Chrysolophus pictus) plumage (PubMed)

pheasant (Chrysolophus pictus) was used as a model in analysis of candidate gene expression profiles implicated in carotenoid binding and deposition. Using mass and Raman spectrometry to confirm the presence of carotenoids in golden pheasant feathers, we found C40H54O and C40H56O2 in feathers with yellow to red colors, and in the rachis of iridescent feathers. The global gene expression profiles in golden pheasant skins were analyzed by RNA-seq and all six carotenoid binding candidate genes sequenced (...) Expression levels of GSTA2 and APOD genes might be associated with carotenoid coloration in golden pheasant (Chrysolophus pictus) plumage Carotenoids, which generate yellow, orange, and red colors, are crucial pigments in avian plumage. Investigations into genes associated with carotenoidbased coloration in avian species are important; however, such research is difficult because carotenoids cannot be synthetized in vertebrates as they are only derived from dietary sources. Here, the golden

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2016 Zoological research

96. Maternal detection of neonatal jaundice during birth hospitalization using a novel two-color icterometer. (PubMed)

Maternal detection of neonatal jaundice during birth hospitalization using a novel two-color icterometer. Mothers are frequently the first to observe the onset of jaundice in their newborn infants before the decision to seek treatment. However, simple-to-use tools that could facilitate early detection of jaundice and assist mothers to seek professional care, especially after hospital discharge, are rare. This study therefore, set out to evaluate the performance of a -two-color icterometer (...) (Bilistrip™) as a possible screening tool for detecting significant jaundice by mothers or care-givers in the first week of life.Prior to discharge, mothers in a maternity hospital were trained to use the Bilistrip™ on the blanched skin of their baby's nose to ascertain absence (Light Yellow) or presence (Dark Yellow) of significant jaundice. Their babies had transcutaneous bilirubin (TcB) measurements independently, along with total serum bilirubin (TSB) if indicated. The reliability of Bilistrip™

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2017 PLoS ONE

97. Hyperpigmentation after surgery for a deep dermal burn of the dorsum of the hand: partial-thickness debridement followed by medium split-thickness skin grafting vs full-thickness debridement followed by thick split-thickness skin grafting (PubMed)

 < 0.01). Quantitative skin color analyses in both the RGB and HSB color spaces showed that postoperative grafted skin was significantly darker than the adjacent control area in the PTD group, but not in the FTD group.There is a possibility that FTD followed by a thick STSG is an option that can reduce the risk of hyperpigmentation after surgery for DDB of the dorsum of the hand in Japanese patients. Further investigation is needed to clarify whether the FTD or the thick STSG or both are the factor (...) Hyperpigmentation after surgery for a deep dermal burn of the dorsum of the hand: partial-thickness debridement followed by medium split-thickness skin grafting vs full-thickness debridement followed by thick split-thickness skin grafting Early excision and skin grafting are commonly used to treat deep dermal burns (DDBs) of the dorsum of the hand. Partial-thickness debridement (PTD) is one of the most commonly used procedures for the excision of burned tissue of the dorsum of the hand

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2016 Burns & trauma

98. CRACKCast E137 – Skin Infections

CRACKCast E137 – Skin Infections CRACKCast E137 - Skin Infections - CanadiEM CRACKCast E137 – Skin Infections In , , by Adam Thomas December 21, 2017 This episode of CRACKCast covers Rosen’s Chapter 129, Skin Infections. These are common and rarely life threatening, but careful consideration should be given for those who may benefit from admission over outpatient treatment. This is a big episode covering the bugs, presentations, and useful tips when treating these infections in the ED (...) . Shownotes – Key Concepts Skin infections are common and are rarely life – threatening . Deadly necrotizing skin and soft tissue infections are rare , and there is insufficient evidence to motivate screening by laboratory tests . Necrotizing infection is suggested by pain out of proportion to physical findings , crepitance , gas seen on imaging studies , or clinical instability . Suspected necrotizing infection is managed aggressively, with broad-spectrum antibiotics, critical care resuscitation

2017 CandiEM

99. The treatment of keloids and hypertrophic scars with intralesional bleomycin in skin of color. (PubMed)

The treatment of keloids and hypertrophic scars with intralesional bleomycin in skin of color. Intralesional injection with corticosteroid remains the mainstay of therapy for hypertrophic scars and keloids, however some lesions are unresponsive or may result in skin atrophy. Intralesional bleomycin injection is an alternative therapy that has been widely reported. In order to compare the effectiveness and safety of bleomycin for the treatment of keloids and hypertrophic scars in skin of color (...) population, Fitzpatrick skin type III to V patients with keloids or hypertrophic scars were randomized into two groups. Group A was treated monthly with intralesional triamcinolone acetonide (10 mg/mL), while group B with intralesional bleomycin (1 mg/mL) for three consecutive months. Evaluation of the treatment was performed using "Patient and Observer Scar Assessment Scale" (POSAS), self-rated patient satisfaction score, photography, and ultrasonography. Two patients had their bleomycin blood levels

2015 Journal of cosmetic dermatology

100. Daily Consumption of a Fruit and Vegetable Smoothie Alters Facial Skin Color. (PubMed)

Daily Consumption of a Fruit and Vegetable Smoothie Alters Facial Skin Color. Consumption of dietary carotenoids or carotenoid supplements can alter the color (yellowness) of human skin through increased carotenoid deposition in the skin. As fruit and vegetables are the main dietary sources of carotenoids, skin yellowness may be a function of regular fruit and vegetable consumption. However, most previous studies have used tablets or capsules to supplement carotenoid intake, and less is known (...) of the impact of increased fruit and vegetable consumption on skin color. Here, we examined skin color changes in an Asian population (Malaysian Chinese ethnicity) over a six week dietary intervention with a carotenoid-rich fruit smoothie. Eighty one university students (34 males, 47 females; mean age 20.48) were assigned randomly to consuming either a fruit smoothie (intervention group) or mineral water (control group) daily for six weeks. Participants' skin yellowness (CIELab b*), redness

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2015 PloS one

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