Melanin in the Body
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منابع مشابه
Isolation and Characterization of Melanin Producing Pseudomonas stutzeri Strain UIS2 in the Presence of l-tyrosine and Survey of Biological Properties of Its Melanin
Background: Melanin is a negative charge hydrophobic complex pigment. Melanin is produced naturally in bacteria to protect them against UV, free radicals and environmental stresses. Pigment production in bacteria has more advantages than other biosources due to its rapid growth, higher efficiency and easier extraction. The aim of this study was the isolation, biochemical and molecular identific...
متن کاملComparison of Skin Erythema and Melanin Level in Sulfur Mustard Induced Chronic Skin Lesions and Normal Skin
Background: Sulfur mustard gas is a chemical agent that has been used in many wars, especially in Iran-Iraq war. This chemical agent affects many organs including lungs, eyes and skin, causing numerous acute and chronic lesions including erythema and hyperpigmentation, respectively. This study was conducted to evaluate erythema and melanin in subjects with a history of exposure to sulfur ...
متن کاملگزارش یک مورد کیست دانتیژور پیگمانته در بیماری با کیستهای متعدد دانتیژور فکین
In this paper, an unusual case of pigmented dentigerous cyst in a 37-year-old Iranian man with multiple dentigerous cysts of maxilla and mandible is reported. In addition to the characteristic histopathologic features of dentigerous cyst, numerous melanin granules which were distributed throughout the epithelial lining of one of these cysts were also noted. The histochemical study using Fontana...
متن کاملMelanin-Associated Synthesis of SERS-Active Nanostructures and the Application for Monitoring of Intracellular Melanogenesis
Melanin plays an indispensable role in the human body. It serves as a biological reducer for the green synthesis of precious metal nanoparticles. Melanin-Ag nanocomposites were successfully produced which exhibited very strong surface-enhanced Raman scattering (SERS) effect because of the reducibility property of melanin. A melanin-Ag composite structure was synthesized in situ in melanin cells...
متن کاملEvaluation of anti-melanogenic activity of Ziziphus jujuba fruits obtained by two different extraction methods
Background and objectives: Dried pulps and peels of Ziziphus jujuba fruits are commonly applied as food because of their high nutritional value. It has been widely used in traditional medicine as laxative, tonic, wound healing agent and appetizer. The aim of this study was to evaluate the anti-melanogenic effects of Z. jujuba fruit. Methods: </st...
متن کاملInterrelationship of Smoking, Lip and Gingival Melanin Pigmentation, and Periodontal Status
Background: Cigarette smoking is a significant risk factor for periodontal disease. It also causes pigmentation of oral mucosa. The present study was aimed to assess the effects of smoking on lip and gingival pigmentation and periodontal status and the relationship between pigmentation and periodontal parameters. Methods: A total of 109 smokers and an equal number of non-smoker controls (mean a...
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