Effect of nicotine on chondrogenic differentiation of rat bone marrow mesenchymal stem cells in alginate bead culture. 2012

Yu Deng, and Tian-Qi Li, and You-E Yan, and Jacques Magdalou, and Hui Wang, and Liao-Bin Chen
Department of Orthopaedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China.

This study was carried out to explore environmental compound such as nicotine can cause adverse effect on chondrogenic differentiation of bone marrow mesenchymal stem cells (BMSCs). Rat BMSCs were capsulated in alginate beads incubated with a chondrogenic differentiation medium and while chondrogenic differentiation of rat BMSCs were cultured for 4 weeks treated with nicotine at concentrations of 25, 50 and 100 μM. The effect of nicotine on BMSCs viability was tested using MTT assay. After chondrogenic differentiation, alginate beads sections were stained for glycosaminoglycan (GAG) with alcian blue and safranin-O. The mRNA expression of chondrogenesis related genes, including collagen type 2 alpha 1 (Col2A1), aggrecan, insulin-like growth factor-1 (IGF-1) were determined by RT-PCR. Nicotine did not affect viability of BMSCs at any indicated concentration. Continuous exposure to nicotine for 4 weeks resulted in significant decrease of the area stained with alcian blue and safranin-O in a concentration-dependent manner compared with the control (P<0.05). After 4 weeks in chondrogenic medium, nicotine dose-dependently decreased the expression of aggrecan, Col2A1 and IGF-1 genes in rat BMSCs chondrogenesis compared with the control (P<0.05). It turned out that nicotine suppresses chondrogenic differentiation potential of BMSCs, leading to a poorly differentiated cartilage.

UI MeSH Term Description Entries
D008297 Male Males
D009538 Nicotine Nicotine is highly toxic alkaloid. It is the prototypical agonist at nicotinic cholinergic receptors where it dramatically stimulates neurons and ultimately blocks synaptic transmission. Nicotine is also important medically because of its presence in tobacco smoke. Nicotine Bitartrate,Nicotine Tartrate
D002470 Cell Survival The span of viability of a cell characterized by the capacity to perform certain functions such as metabolism, growth, reproduction, some form of responsiveness, and adaptability. Cell Viability,Cell Viabilities,Survival, Cell,Viabilities, Cell,Viability, Cell
D002478 Cells, Cultured Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others. Cultured Cells,Cell, Cultured,Cultured Cell
D004781 Environmental Exposure The exposure to potentially harmful chemical, physical, or biological agents in the environment or to environmental factors that may include ionizing radiation, pathogenic organisms, or toxic chemicals. Exposure, Environmental,Environmental Exposures,Exposures, Environmental
D004785 Environmental Pollutants Substances or energies, for example heat or light, which when introduced into the air, water, or land threaten life or health of individuals or ECOSYSTEMS. Environmental Pollutant,Pollutant,Pollutants,Pollutants, Environmental,Pollutant, Environmental
D006603 Hexuronic Acids Term used to designate tetrahydroxy aldehydic acids obtained by oxidation of hexose sugars, i.e. glucuronic acid, galacturonic acid, etc. Historically, the name hexuronic acid was originally given to ascorbic acid. Hexouronic Acids,Acids, Hexouronic,Acids, Hexuronic
D000464 Alginates Salts and esters of ALGINIC ACID that are used as HYDROGELS; DENTAL IMPRESSION MATERIALS, and as absorbent materials for surgical dressings (BANDAGES, HYDROCOLLOID). They are also used to manufacture MICROSPHERES and NANOPARTICLES for DIAGNOSTIC REAGENT KITS and DRUG DELIVERY SYSTEMS. Alginate,Alginic Acid, Barium Salt,Alginic Acid, Calcium Salt,Alginic Acid, Copper Salt,Alginic Acid, Potassium Salt,Alginic Acid, Sodium Salt,Alloid G,Barium Alginate,Calcium Alginate,Calginat,Copper Alginate,Kalrostat,Kalrostat 2,Kaltostat,Potassium Alginate,Sodium Alginate,Sodium Calcium Alginate,Vocoloid,Xantalgin,poly(Mannuronic Acid), Sodium Salt,Alginate, Barium,Alginate, Calcium,Alginate, Copper,Alginate, Potassium,Alginate, Sodium,Alginate, Sodium Calcium,Calcium Alginate, Sodium
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D017208 Rats, Wistar A strain of albino rat developed at the Wistar Institute that has spread widely at other institutions. This has markedly diluted the original strain. Wistar Rat,Rat, Wistar,Wistar Rats

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