Results 111 to 120 of about 80,218 (306)

The Research Progress of Melanin

, 2011
The sources of melanin and the sorts of melanin are introduced. New techniques for extraction and analysis of natural melanin were introduced. New analytical techniques are high performance liquid chromatography, high-speed countercurrent chromatography,
Jian Ming Wang, Yu Zhong, Yuan Yuan Zhang, Chang Sheng Qiao, Ai Hua Ao   +4 more
core   +1 more source

Alpha‐Synuclein Promotes Anterograde Vesicle Transport in Melanocytes and Melanoma Cells: A Pro‐Survival Function

Journal of the Chinese Chemical Society, EarlyView.
Model for how α‐syn modulates the positioning of endolysosomes in melanoma cells. (a) α‐syn tethers endolysosomes to the plasma membrane, a last step in anterograde transport. (b) Loss of α‐syn expression causes the loss of the tethering function, which leads to perinuclear vesicle clustering. Reproduced from the open access article.
Stephan N. Witt
wiley   +1 more source

Melanin Upcycling: Creation of Polymeric Materials from Melanin Decomposition Products

Melanin is a widely occurring biopolymer and has been the subject of much research, especially in dermatology. However, from a resource perspective, melanin is still an unutilized biomass because of its complex three-dimensional cross-linked structure ...
Keiki Kishikawa (1591579), Toshihiko Matsuura (18414744), Michinari Kohri (1757962), Hironori Izawa (1634722), Takumi Morita (18414741)   +4 more
core   +1 more source

Binuclear Copper‐Dependent Oxidative Enzymes Involved in Fungal Natural Product Modifications

Journal of the Chinese Chemical Society, EarlyView.
This article summarizes recent biochemical characterizations of a new enzyme family named by the authors as binuclear copper‐dependent oxidative enzymes (BiNCOs). Found in fungal natural product biosynthesis, BiNCOs catalyze diverse CH functionalization reactions, including C(sp3)H halogenation, C(sp3)H hydroxylation, C(sp3)O macrocyclization, and ...
Chen‐Yu Chiang, Masao Ohashi, Yi Tang
wiley   +1 more source

Kidney melanosis associated with a novel HSP-1 Hermansky-Pudlak oculocutaneous albinism mutation: a case report

BMC Nephrology
Introduction Melanin deposition in the kidney is rare and appears limited to the conditions of oculocutaneous albinism and malignant melanoma with melanuria.
Alaa A. Ali, Zana Sidiq M. Saleem, Shakir S. Jabali, Nashwan M. R. Ibrahim, Michael D. Hughson   +4 more
doaj   +1 more source

Oral Cryptococcosis due to Naganishia diffluens in a Patient With Thalassemia: A Case Report and a Literature Review

Journal of Clinical Laboratory Analysis, EarlyView.
Naganishia diffluens, a rare non‐neoformans cryptococcal species, was identified by PCR sequencing as the causative agent of oral cryptococcosis in a 31‐year‐old Iranian man with β‐thalassemia. This case represents the first documented instance of oral infection by N.
Zahra Yahyazadeh, Zeynab Haseli, Javad Javidnia, Mahdi Abastabar, Eisa Nazar, Hosein Jalali, Mohamad Taghi Hedayati, Hossein Karami, Mohsen Nosratabadi, Lotfollah Davoodi, Seyyed Reza Aghili, Maryam Moazeni, Iman Haghani, Hamid Badali   +13 more
wiley   +1 more source

Edible Fungi Melanin: Recent Advances in Extraction, Characterization, Biological Activity and Applications

Journal of Fungi
Natural melanin biopolymers exhibit a variety of biological activities, but their commercial development is constrained by numerous factors, including high costs, unsustainable sources, the use of harmful solvents during extraction, and low extraction ...
Jiandong Tang, Hebin Shen, Wenyu Lv, Jingxuan Zhang, Junsheng Fu   +4 more
doaj   +1 more source

Melanin-concentrating hormone and sleep.

, 2017
The melanin-concentrating hormone (MCH) is an essential neuromodulator involved with homeostatic regulation and motivated behaviors. The majority of MCH neurons are localized within the zona incerta, lateral hypothalamic and incerto-hypothalamic areas ...
Jackson Cioni Bittencourt, Adamantidis, Antoine Roger, Antoine Adamantidis, Ferreira, Jozelia Gomes Pacheco, Bittencourt, Jackson Cioni, Jozelia Gomes Pacheco Ferreira   +5 more
core   +1 more source

Optimization of bioactive compounds extraction from Rosa canina L. pseudofruit through the action of two hydrolytic enzyme preparations

Journal of Chemical Technology &Biotechnology, EarlyView.
Abstract BACKROUND The pseudo‐fruit of Rosa canina L. is a rich source of bioactive compounds with antioxidant, anti‐inflammatory, anti‐cancer, anti‐diabetic, anti‐aging, and antimicrobial activities. The aim of the present study is the optimization of a green process based on the action of two hydrolytic enzyme preparations, namely Pectinex® Ultra ...
Zafeiria Lemoni, Styliani Kalantzi, Theopisti Lymperopoulou, Andromachi Tzani, Georgios Stavropoulos, Anastasia Detsi, Diomi Mamma   +6 more
wiley   +1 more source

Melanin in the rat brain

, 1976
Melanin was measured in various parts of the rat brain by a spectrophotofluorometric assay. This method could detect natural, Sepia melanin as well as melanin synthesized from L-DOPA.
Kastin, Abba J, Miller, M.Clinton, Schally, Andrew V, Tompkins, Ronald G, Kuzemchak, Barbara   +4 more
core   +1 more source