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2.
Cancer Biother Radiopharm ; 30(6): 255-60, 2015 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-26181853

RESUMEN

OBJECTIVES: A disintegrin-like metalloproteinase with thrombospondin motifs (ADAMTS) is a group of proteins that have enzymatic activity secreted by cells to the outside extracellular matrix. Insulin induces proteoglycan biosynthesis in chondrosarcoma chondrocytes. The purpose of the present in vitro study is to assess the time course effects of insulin on ADAMTS16 expression in OUMS-27 (human chondrosarcoma) cell line to examine whether insulin regulates ADAMTS16 expression as well as proteoglycan biosynthesis with multifaceted properties or not. METHODS: Chondrosarcoma cells were cultured in Dulbecco's modified Eagle's medium having either 10 µg/mL insulin or not. While the experiment was going on, the medium containing insulin had been changed every other day. Cells were harvested at 1st, 3rd, 7th, and 11th days; subsequently, RNA and proteins were isolated in every experimental group according to their time interval. RNA expression of ADAMTS was estimated by quantitative real-time polymerase chain reaction (qRT-PCR) by using primers. Immunoreactive protein levels were encountered by the western blot protein detection technique by using proper anti-ADAMTS16 antibodies. RESULTS: ADAMTS16 mRNA expression level of chondrosarcoma cells was found to be insignificantly decreased in chondrosarcoma cells induced by insulin detected by the qRT-PCR instrument. On the other hand, there was a gradual decrease in immune-reactant ADAMTS16 protein amount by the time course in insulin-treated cell groups when compared with control cells. CONCLUSION: It has been suggested that insulin might possibly regulate ADAMTS16 levels/activities in OUMS-27 chondrosarcoma cells taking a role in extracellular matrix turnover.


Asunto(s)
Proteínas ADAM/genética , Condrosarcoma/inducido químicamente , Insulina/efectos adversos , Técnicas de Cultivo de Célula , Condrosarcoma/genética , Humanos
3.
Mol Med Rep ; 12(3): 3231-3235, 2015 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-25975288

RESUMEN

Caffeic acid phenethyl ester (CAPE) is an important active component of propolis, which is derived from honeybee hives. It has received increasing attention in a variety of medical and pharmaceutical research, due to its anti­oxidant, antiproliferative, anti­inflammatory, antiviral and antifungal activity, in addition to its antineoplastic properties. Besides the use of CAPE as an antioxidant and anti­inflammatory agent in a number of in vivo studies of ear disease, its beneficial effects have been reported in the treatment of cancer, arthritis, allergies, heart disease, diabetes, kidney disease, liver disease and neurological disease. CAPE influences a number of biochemical pathways, as well as several targets involved in ear diseases, in particular, in ototoxicity. The protective effects of CAPE in ototoxicity, which may be induced by a number factors, including lipopolysaccharides, hydrogen peroxide and streptomycin, are evaluated and discussed in the present review.


Asunto(s)
Antiinflamatorios/uso terapéutico , Antioxidantes/uso terapéutico , Ácidos Cafeicos/uso terapéutico , Miringoesclerosis/tratamiento farmacológico , Otitis Media/tratamiento farmacológico , Alcohol Feniletílico/análogos & derivados , Animales , Antiinflamatorios/química , Antioxidantes/química , Ácidos Cafeicos/química , Humanos , Estrés Oxidativo/efectos de los fármacos , Alcohol Feniletílico/química , Alcohol Feniletílico/uso terapéutico , Própolis/química
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