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Skin of Color

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101. Changing Skin Color Full Text available with Trip Pro

Changing Skin Color 26157305 2015 07 09 2018 11 13 0974-2077 8 2 2015 Apr-Jun Journal of cutaneous and aesthetic surgery J Cutan Aesthet Surg Changing Skin Color. 77-8 10.4103/0974-2077.158435 Khunger Niti N Department of Dermatology and Sexually Transmitted Diseases, Vardhman Mahavir Medical College and Safdarjang Hospital, New Delhi, India. eng Journal Article India J Cutan Aesthet Surg 101525405 0974-2077 2015 7 10 6 0 2015 7 15 6 0 2015 7 15 6 1 ppublish 26157305 10.4103/0974-2077.158435

2015 Journal of cutaneous and aesthetic surgery

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

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

103. Validity and reliability of the Munsell® soil color charts for assessing human skin color. Full Text available with Trip Pro

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

2014 Cancer Epidemiology & Biomarkers and Prevention

104. The color of health: Skin color, ethnoracial classification, and discrimination in the health of Latin Americans. Full Text available with Trip Pro

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

2014 Social Science & Medicine

105. The pattern of color change in small mammal museum specimens: is it independent of storage histories given museum-specific conditions? Full Text available with Trip Pro

that there is a relationship between specimen storage antiquity and pelage color and it seems that it is general for at least a number of small mammals and this could indicate a universal phenomenon across several mammal species and across several storage conditions. Our results, as others, emphasize the importance of considering storage time, among other circumstances, in research studies using mammal skins and where color is of importance. (...) The pattern of color change in small mammal museum specimens: is it independent of storage histories given museum-specific conditions? Determination of color and evaluating its variation form the basis for a broad range of research questions. For studies on taxonomy, systematics, etc., resorting to mammal specimens in museum collections has a number of advantages over using field specimens. However, if museum specimens are to be for studying color, they should accurately represent the color

2018 BMC research notes

106. New Insights into the Melanophilin (MLPH) Gene Affecting Coat Color Dilution in Rabbits Full Text available with Trip Pro

>A variant that is located in an acceptor splice site or the c.585delG variant, a frameshift mutation. On the transcript level, the skipping of two exons has been reported as the molecular mechanism responsible for the coat color dilution. To clarify, which of the two variants represents the causal variant, (i) we analyzed their allelic segregation by genotyping Castor and Chinchilla populations, and (ii) we evaluated their functional effects on the stability of MLPH transcripts in skin samples (...) New Insights into the Melanophilin (MLPH) Gene Affecting Coat Color Dilution in Rabbits Coat color dilution corresponds to a specific pigmentation phenotype that leads to a dilution of wild type pigments. It affects both eumelanin and pheomelanin containing melanosomes. The mode of inheritance of the dilution phenotype is autosomal recessive. Candidate gene approaches focused on the melanophilin (MLPH) gene highlighted two variants associated with the dilution phenotype in rabbits: The c.111-5C

2018 Genes

107. Phloxine O, a Cosmetic Colorant, Suppresses the Expression of Thymic Stromal Lymphopoietin and Acute Dermatitis Symptoms in Mice Full Text available with Trip Pro

Phloxine O, a Cosmetic Colorant, Suppresses the Expression of Thymic Stromal Lymphopoietin and Acute Dermatitis Symptoms in Mice Cosmetics are primarily applied to the skin; therefore, the association of cosmetic dyes with skin diseases or inflammation is a topic of great interest. Thymic stromal lymphopoietin (TSLP) is an interleukin 7-like cytokine that activates dendritic cells to promote Th2 inflammatory immune responses. TSLP is highly expressed in keratinocytes under inflammatory (...) conditions, which suggests that it may play a critical role in the development of skin diseases, such as atopic dermatitis. Therefore, we investigated whether cosmetic dyes influenced the production of TSLP by keratinocytes. Phloxine O, also known as D&C Red No.27, is one of the most common red synthetic pigments and is widely used in colored cosmetics. Our results showed that Phloxine O downregulated phorbol 12-myristate 13-acetate-induced production of TSLP in a murine keratinocyte cell line (PAM212

2018 Biomolecules & therapeutics

108. Maternal detection of neonatal jaundice during birth hospitalization using a novel two-color icterometer. Full Text available with Trip Pro

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™

2017 PLoS ONE

109. Molecular-channel driven actuator with considerations for multiple configurations and color switching Full Text available with Trip Pro

Molecular-channel driven actuator with considerations for multiple configurations and color switching The ability to achieve simultaneous intrinsic deformation with fast response in commercially available materials that can safely contact skin continues to be an unresolved challenge for artificial actuating materials. Rather than using a microporous structure, here we show an ambient-driven actuator that takes advantage of inherent nanoscale molecular channels within a commercial

2018 Nature communications

110. Comparative genomics and transcriptomics of Chrysolophus provide insights into the evolution of complex plumage coloration Full Text available with Trip Pro

Comparative genomics and transcriptomics of Chrysolophus provide insights into the evolution of complex plumage coloration As one of the most recognizable characteristics in birds, plumage color has a high impact on understanding the evolution and mechanisms of coloration. Feather and skin are ideal tissues to explore the genomics and complexity of color patterns in vertebrates. Two species of the genus Chrysolophus, golden pheasant (Chrysolophus pictus) and Lady Amherst's pheasant (...) (Chrysolophus amherstiae), exhibit brilliant colors in their plumage, but with extreme phenotypic differences, making these two species great models to investigate plumage coloration mechanisms in birds.We sequenced and assembled a genome of golden pheasant with high coverage and annotated 15,552 protein-coding genes. The genome of Lady Amherst's pheasant is sequenced with low coverage. Based on the feather pigment identification, a series of genomic and transcriptomic comparisons were conducted

2018 GigaScience

111. 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

112. AIUM Practice Parameter for the Performance of Peripheral Arterial Ultrasound Examinations Using Color and Spectral Doppler Imaging

AIUM Practice Parameter for the Performance of Peripheral Arterial Ultrasound Examinations Using Color and Spectral Doppler Imaging AIUM Practice Parameter for the Performance of Peripheral Arterial Ultrasound Examinations Using Color and Spectral Doppler Imaging © 2014 by the American Institute of Ultrasound in Medicine Parameter developed in collaboration with the American College of Radiology (ACR) and the Society of Radiologists in Ultrasound (SRU). peripheralArterial.qxp_1115 12/1/15 3:26 (...) of Peripheral Arterial Ultrasound Examinations Using Color and Spectral Doppler Imaging. The AIUM represents the entire range of clinical and basic science interests in medical diagnostic ultrasound, and, with hundreds of vol- unteers, this multidisciplinary organization has promoted the safe and effective use of ultrasound in clinical medicine for more than 50 years. This document and others like it will continue to advance this mission. Practice parameters of the AIUM are intended to provide the medical

2014 American Institute of Ultrasound in Medicine

113. Male versus female skin: What dermatologists and cosmeticians should know Full Text available with Trip Pro

to consider.A literature search of PubMed and Google was conducted to compare the biophysical and biomechanical properties of the skin of male and female patients using the keywords "skin", "hydration", "water loss", "sebum", "circulation", "color", "thickness", "elasticity", "pH", "friction", "wrinkle", "sex", "male", and "female".A total of 1070 titles were found. After removing duplications and non-English papers, the number was reduced to 632. Of the 632 titles, 57 were deemed suitable for inclusion (...) Male versus female skin: What dermatologists and cosmeticians should know The skin is important for the perception of health and beauty. Knowledge of the physiological, chemical, and biophysical differences between the skin of male and female patients helps dermatologists develop a proper approach not only for the management of skin diseases but also to properly take care of cosmetic issues. The influence of genetic and environmental factors on skin characteristics is also critical

2018 International journal of women's dermatology

114. Considerations When Treating Cosmetic Concerns in Men of Color. (Abstract)

Considerations When Treating Cosmetic Concerns in Men of Color. Men of color include a diverse population encompassing individuals with Fitzpatrick skin Types IV through VI. Yet, there is a paucity of data describing the cosmetic concerns of this population.To review the basic science of advantages and disadvantages of skin of color and pathophysiology, incidence, and treatment of disorders of cosmetic concern in men of color.A MEDLINE search was performed for publications on sex and racial (...) differences in basic science of skin, common disorders in men of color, and evidence-based treatments.There are intrinsic differences in skin and hair of darker-complexioned men, particularly in Hispanics, African Americans, Asians, and Afro-Caribbeans. Advantages of darker skin include increased photoprotection, slowed aging, and a lower incidence of skin cancer. However, the increased content of melanin is associated with myriad dyschromias including melasma and postinflammatory hyperpigmentation (PIH

2017 Dermatologic Surgery

115. #TheDress: Categorical perception of an ambiguous color image. Full Text available with Trip Pro

. Multinomial regression predicted categorical labels. Consistent with our prior hypothesis, W/G observers inferred a cool illuminant, whereas B/K observers inferred a warm illuminant; moreover, subjects could use skin color alone to infer the illuminant. The data provide some, albeit weak, support for our hypothesis that day larks see the dress as W/G and night owls see it as B/K. About half of observers who were previously familiar with the image reported switching categories at least once. Switching (...) #TheDress: Categorical perception of an ambiguous color image. We present a full analysis of data from our preliminary report (Lafer-Sousa, Hermann, & Conway, 2015) and test whether #TheDress image is multistable. A multistable image must give rise to more than one mutually exclusive percept, typically within single individuals. Clustering algorithms of color-matching data showed that the dress was seen categorically, as white/gold (W/G) or blue/black (B/K), with a blue/brown transition state

2017 Journal of vision

116. Expression levels of GSTA2 and APOD genes might be associated with carotenoid coloration in golden pheasant (Chrysolophus pictus) plumage Full Text available with Trip Pro

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

2016 Zoological research

117. Infant mortality by color or race from Rondônia, Brazilian Amazon Full Text available with Trip Pro

Infant mortality by color or race from Rondônia, Brazilian Amazon To analyze the quality of records for live births and infant deaths and to estimate the infant mortality rate for skin color or race, in order to explore possible racial inequalities in health.Descriptive study that analyzed the quality of records of the Live Births Information System and Mortality Information System in Rondônia, Brazilian Amazonian, between 2006-2009. The infant mortality rates were estimated for skin color (...) or race with the direct method and corrected by: (1) proportional distribution of deaths with missing data related to skin color or race; and (2) application of correction factors. We also calculated proportional mortality by causes and age groups.The capture of live births and deaths improved in relation to 2006-2007, which required lower correction factors to estimate infant mortality rate. The risk of death of indigenous infant (31.3/1,000 live births) was higher than that noted for the other skin

2017 Revista de saúde pública

118. Evolution of facial color pattern complexity in lemurs Full Text available with Trip Pro

photographs of 65 lemur species to categorize variation in hair length, hair and skin coloration as well as color brightness. Phylogenetically controlled analyses revealed that group size and the number of sympatric species did not influence the evolution of facial color complexity in lemurs. Climatic factors, however, influenced facial color complexity, pigmentation and hair length in a few facial regions. Hair length in two facial regions was also correlated with group size and may facilitate individual (...) Evolution of facial color pattern complexity in lemurs Interspecific variation in facial color patterns across New and Old World primates has been linked to species recognition and group size. Because group size has opposite effects on interspecific variation in facial color patterns in these two radiations, a study of the third large primate radiation may shed light on convergences and divergences in this context. We therefore compiled published social and ecological data and analyzed facial

2017 Scientific reports

119. Catastrophic Unbalanced Genome Rearrangements Cause Somatic Loss of Berry Color in Grapevine Full Text available with Trip Pro

Catastrophic Unbalanced Genome Rearrangements Cause Somatic Loss of Berry Color in Grapevine Grape (Vitis vinifera) color somatic variants that can be used to develop new grapevine cultivars occasionally appear associated with deletion events of uncertain origin. To understand the mutational mechanisms generating somatic structural variation in grapevine, we compared the Tempranillo Blanco (TB) white berry somatic variant with its black berry ancestor, Tempranillo Tinto. Whole-genome sequencing (...) uncovered a catastrophic genome rearrangement in TB that caused the hemizygous deletion of 313 genes, including the loss of the functional copy for the MYB transcription factors required for anthocyanin pigmentation in the berry skin. Loss of heterozygosity and decreased copy number delimited interspersed monosomic and disomic regions in the right arm of linkage groups 2 and 5. At least 11 validated clustered breakpoints involving intrachromosomal and interchromosomal translocations between three

2017 Plant physiology

120. Identification of polymorphisms in MITF and DCT genes and their associations with plumage colors in Asian duck breeds Full Text available with Trip Pro

for pigmentation of skin, hair, and eyes. Among the tyrosinase-related family genes, DCT is a pigment cell-specific gene that plays important roles in the melanin synthesis pathway and the expression of skin, feather, and retina color.Five Asian duck varieties (black Korean native, white Korean native, commercial Peking, Nageswari, and Bangladeshi Deshi white ducks) were investigated to examine the polymorphisms associated with plumage colors. Among previously identified SNPs, three synonymous SNPs and one (...) Identification of polymorphisms in MITF and DCT genes and their associations with plumage colors in Asian duck breeds The aim of this study was to investigate the effect of single nucleotide polymorphisms (SNPs) of the melanogenesis associated transcription factor (MITF) and dopachrome tautomerase (DCT) genes on plumage coloration in Asian native duck breeds. MITF encodes a protein for microphthalmia-associated transcription factor, which regulates the development and function of melanocytes

2017 Asian-Australasian journal of animal sciences

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