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Equilibrium unfolding of a 69-kDa monomeric Escherichia coli maltodextrin glucosidase (MalZ) was studied using intrinsic and extrinsic fluorescence spectroscopy. The unfolding transition of MalZ followed a three-state process, involving the formation of a stable intermediate state having more exposed hydrophobic surface. It was found that the protein(More)
A large number of neurodegenerative diseases in humans result from protein misfolding and aggregation. Protein misfolding is believed to be the primary cause of Alzheimer's disease, Parkinson's disease, Huntington's disease, Creutzfeldt-Jakob disease, cystic fibrosis, Gaucher's disease and many other degenerative and neurodegenerative disorders. Cellular(More)
The ubiquitin-proteasome system (UPS) is the major proteolytic pathway that degrades intracellular proteins in a regulated manner. Deregulation of the UPS has been implicated in the pathogenesis of many neurodegenerative disorders like Alzheimer's disease, Parkinson's diseases, Huntington disease, Prion-like lethal disorders, in the pathogenesis of several(More)
BACKGROUND Geldanamycin, which is one of the most potent and effective hsp90 alpha inhibitor until date, is normally used to target breast cancer. Inhibition of hsp90 alpha leads to the degradation of client proteins involved in the initiation and progress of breast cancer pathogenesis. Hence, Geldanamycin has been widely pursued as a treatment option for(More)
Polyglutamine diseases are a class of inherited neurodegenerative disorders caused by the expansion of a polyglutamine tract within the respective proteins. Clinical studies have revealed that the forming of neuronal intranuclear inclusions by the disease protein is a common pathological feature of polyglutamine diseases. Although there has been(More)
BACKGROUND Breast cancer is a common disease found among women and has been a serious issue for last two decades. Although various kinds of heat shock proteins (Hsp's) have strong implications in cancer, heat shock protein 90 alpha (Hsp90α) has attracted highest attention for the cause and therapy of breast cancer. It regulates approximately 200 numbers of(More)
In vitro refolding of maltodextrin glucosidase, a 69 kDa monomeric Escherichia coli protein, was studied in the presence of glycerol, dimethylsulfoxide, trimethylamine-N-oxide, ethylene glycol, trehalose, proline and chaperonins GroEL and GroES. Different osmolytes, namely proline, glycerol, trimethylamine-N-oxide and dimethylsulfoxide, also known as(More)
A number of acute and chronic neurodegenerative disorders are caused due to misfolding and aggregation of many intra- and extracellular proteins. Protein misfolding and aggregation processes in cells are strongly regulated by cellular molecular chaperones known as heat-shock proteins (Hsps) that include Hsp60, Hsp70, Hsp40, and Hsp90. Recent studies have(More)
Mesenchymal stem cells (MSCs) have important roles in the area of regenerative medicine and clinical applications due to their pluripotent nature. Osteogenic differentiation of MSCs has been studied extensively using various stimulants to develop models of bone repair. There are several factors that enhance the differentiation of MSCs into bone tissues.(More)