Results 311 to 320 of about 139,965 (339)
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The keratins and their disorders
American Journal of Medical Genetics Part C: Seminars in Medical Genetics, 2004AbstractDiseases caused by mutations in gene encoding keratin intermediate filaments (IF) are characterized by a loss of structural integrity in the cells expressing those keratins in vivo. This is manifested as cell fragility, compensatory epidermal hyperkeratosis, and keratin filament aggregation in some affected tissues.
Irene M. Leigh, Elizabeth L. Rugg
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Archives of Internal Medicine, 1964
At first blush this book should appeal exclusively to the dermatologist and to the biologist who delights in refractory problems of insoluble proteins. Only the subtitle, An Essay in Molecular Biology , hints that the monograph is a considered review of advances in subcellular physiology focused on a single class of substances and written with the ...
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At first blush this book should appeal exclusively to the dermatologist and to the biologist who delights in refractory problems of insoluble proteins. Only the subtitle, An Essay in Molecular Biology , hints that the monograph is a considered review of advances in subcellular physiology focused on a single class of substances and written with the ...
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Current Opinion in Genetics & Development, 1994
The recent discovery that epidermal fragility syndromes can be caused by mutations in the genes for keratin intermediate filaments has been a turning point for research into these structural proteins. Clustering of pathogenic mutations implies differential structural sensitivity along the keratin molecule, and implications for filament function require
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The recent discovery that epidermal fragility syndromes can be caused by mutations in the genes for keratin intermediate filaments has been a turning point for research into these structural proteins. Clustering of pathogenic mutations implies differential structural sensitivity along the keratin molecule, and implications for filament function require
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Archives of Dermatology, 2012
A LTHOUGH THE CLINICAL CHARACTERIStics of keratoacanthomas (KAs) are well known, there is limited information about their dermoscopic appearance and features. We evaluated 15 KAs and welldifferentiated squamous cell carcinomas (SCCs). Dermoscopic evaluation revealed that all lesions demonstrated a white to yellowish round structure surrounded by a ...
Jaimes N +5 more
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A LTHOUGH THE CLINICAL CHARACTERIStics of keratoacanthomas (KAs) are well known, there is limited information about their dermoscopic appearance and features. We evaluated 15 KAs and welldifferentiated squamous cell carcinomas (SCCs). Dermoscopic evaluation revealed that all lesions demonstrated a white to yellowish round structure surrounded by a ...
Jaimes N +5 more
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Annual Review of Cell and Developmental Biology, 1995
Keratins are the major structural proteins of the vertebrate epidermis and its appendages, constituting up to 85% of a fully differentiated keratinocyte. Together with actin microfilaments and microtubules, keratin filaments make up the cytoskeletons of vertebrate epithelial cells.
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Keratins are the major structural proteins of the vertebrate epidermis and its appendages, constituting up to 85% of a fully differentiated keratinocyte. Together with actin microfilaments and microtubules, keratin filaments make up the cytoskeletons of vertebrate epithelial cells.
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1965
Publisher Summary This chapter deals with the chemistry of keratins. The chapter discusses the efforts to prepare pure keratin derivatives for composition, sequence, and end group studies and to obtain mono disperse solutions of these derivatives for physicochemical characterization.
F.G. Lennox +3 more
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Publisher Summary This chapter deals with the chemistry of keratins. The chapter discusses the efforts to prepare pure keratin derivatives for composition, sequence, and end group studies and to obtain mono disperse solutions of these derivatives for physicochemical characterization.
F.G. Lennox +3 more
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The American Journal of Dermatopathology, 1982
A method to decrease subjectivity in assessing hyperkeratosis by application of quantitative measurements is proposed. The proportion of the depth of the stratum corneum to that of the total epidermis was measured on stained sections of tissue and termed the keratinization index (K.I.). Determinations showed that the K.I. varied with anatomical regions
S, Brenner +3 more
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A method to decrease subjectivity in assessing hyperkeratosis by application of quantitative measurements is proposed. The proportion of the depth of the stratum corneum to that of the total epidermis was measured on stained sections of tissue and termed the keratinization index (K.I.). Determinations showed that the K.I. varied with anatomical regions
S, Brenner +3 more
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2018
This chapter deals with the various ways in which keratin (extracted from different sources) can be processed to obtain different types of products. In the first section, solvents and polymers that must be employed tomake this natural biopolymer usable are discussed.
Diego Omar Sanchez Ramirez +2 more
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This chapter deals with the various ways in which keratin (extracted from different sources) can be processed to obtain different types of products. In the first section, solvents and polymers that must be employed tomake this natural biopolymer usable are discussed.
Diego Omar Sanchez Ramirez +2 more
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Archives of Dermatology, 1972
The effect of vitamin A on epidermal dynamics is complicated by many variables, including species and regional differences, which render compilation of meaningful data difficult. Available evidence indicates that vitamin A has a predominantly proliferative effect on mature rodent and human epidermis, which may be dose-dependent.
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The effect of vitamin A on epidermal dynamics is complicated by many variables, including species and regional differences, which render compilation of meaningful data difficult. Available evidence indicates that vitamin A has a predominantly proliferative effect on mature rodent and human epidermis, which may be dose-dependent.
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Keratin and Keratinization: An Essay in Molecular Biology
Archives of Dermatology, 1963The terms "keratin" and "keratinization" are applied to substances and events of singular importance in epidermal biology. Strangely, neither has been accurately defined. The volume Keratin and Keratinization by E. H. Mercer represents the first major attempt to draw together the massive literature concerning these subjects. The resultant essays are an
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