نتایج جستجو برای: keratinization
تعداد نتایج: 781 فیلتر نتایج به سال:
In both the initial biopsy and the complete excision of the lesion, specimens were obtained for hematoxylin-eosin staining. Both specimens showed a well-defined, unencapsulated cystic tumor formed by several different-sized lobules composed of an external layer of basaloid cells and several layers of eosinophilic spindle cells with abrupt keratinization (Fig. 2). No atypia or mitotic figures we...
In both the initial biopsy and the complete excision of the lesion, specimens were obtained for hematoxylin-eosin staining. Both specimens showed a well-defined, unencapsulated cystic tumor formed by several different-sized lobules composed of an external layer of basaloid cells and several layers of eosinophilic spindle cells with abrupt keratinization (Fig. 2). No atypia or mitotic figures we...
Suday, Sptem er 5, 2016 nanoparticles demonstrated an even more significantly increased rate of keratinization (average keratinocyte migration of 2376 μm versus 986.4 μm, a 141% increased rate of healing p value .0002, with 3/4 experimental wounds demonstrating complete re-epithelialization versus only 1/4 controls). There were no systemic or local adverse effects seen in α-gal treated mice. Al...
Methods Data were collected from 17 patients between days 2 and 14 to determine incidence of exudate, incidence of regrafting, coloration, keratinization, and percentage of site covered by graft (n = 17). Outcome was evaluated on an ordinal scale (0 = worst; 10 = best) beginning at day 14, with primary analyses at 28 days (n = 10) and 1 year (n = 4) for erythema, pigmentation, epithelial bliste...
Ichthyosis hystrix of Curth-Macklin ( IHCM) is an extremely rare keratinization disorder, with verrucous to hystrixlike hyperkeratotic plaques of varying extent. The diagnosis is based on a distinctive pattern of epidermolytic hyperkeratosis and the presence of binucleate cells under light microscopy, as well as unique electron microscopic findings of continuous perinuclear tonofibril shells in...
Squamous cell lesions of the urinary bladder are generally rare. Herein we describe a case of 74-year-old male patient with a benign squamous cell papilloma. Histologically, the tumor presented extensive keratinization at its surface and showed no nuclear atypia or stromal invasion. The tumor cells were negative for HPV DNA. These lesions are extremely rare, and even though they are considered ...
Pityriasis Rubra Pilaris (PRP) is a rare inflammatory dermatosis, clinically presenting as keratinization disorder, with follicular and palmoplantar hyperkeratosis, in addition to orange-red scaly plaques, accompanied by characteristic islands of healthy skin. Sometimes, conventional treatment proves be ineffective, this work aims present case patient failed first second lines options, respondi...
Mutations in ceramide biosynthesis pathways have been implicated in a few Mendelian disorders of keratinization, although ceramides are known to have key roles in several biological processes in skin and other tissues. Using whole-exome sequencing in four probands with undiagnosed skin hyperkeratosis/ichthyosis, we identified compound heterozygosity for mutations in KDSR, encoding an enzyme in ...
The complex mechanical properties of biomaterials such as hair, horn, skin, or bone are determined by the architecture of the underlying fibrous bionetworks. Although much is known about the influence of the cytoskeleton on the mechanics of isolated cells, this has been less studied in tridimensional tissues. We used the hair follicle as a model to link changes in the keratin network compositio...
The induction of anchorage independent growth occurred in nontumorigenic, mouse epidermal keratinocyte, MSK-C3H-NU cells when inoculated in a 0.3% soft agar medium with 12-O-tetradecanoylphorbol-13-acetate and/or epidermal growth factor. Colonies appeared about 3 weeks after incubation and keratinization of various forms occurred in them. 10-43 cells, a subline of higher subcultivation level, s...
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