Sourav Kalita

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Although substituted phenolic ester mediated peptide synthesis is an efficient and well established method, the same via totally unsubstituted phenyl ester is not preferred due to the extremely slow rate of aminolysis. We have investigated the scope of the unsubstituted phenyl ester as an intermediate in peptide bond formation and found that it may be(More)
BACKGROUND Alzheimer's disease (AD), a common protein misfolding neurodegenerative disorder, is one of the most common forms of dementia. Amyloid precursor protein (APP) derived amyloid-β (Aβ) proteins accumulated into interneuronal spaces and plays a crucial role in the disease progression and its pathology. The aggregated Aβ exerts its neurotoxic effects(More)
Diabetes has emerged as a threat to the current world. More than ninety five per cent of all the diabetic population has type 2 diabetes mellitus (T2DM). Aggregates of Amylin hormone, which is co-secreted with insulin from the pancreatic β-cells, inhibit the activities of insulin and glucagon and cause T2DM. Importance of the conformationally restricted(More)
Alzheimer’s disease is a devastating neurodegenerative disease triggered by the aggregation of amyloidb peptide (Ab) into amyloid fibrils. From the results of several studies it is believed that caffeine can prevent the development of Alzheimer’s disease. However, the molecular mechanism of the therapeutic potential of caffeine is largely unknown. In our(More)
Alzheimer's disease is most common neurodegenerative disorder and is characterized by increased production of soluble amyloid-β oligomers, the main toxic species predominantly formed from aggregation of monomeric amyloid-β (Aβ). Increased production of Aβ invokes a cascade of oxidative damages to neurons and eventually leads to neuronal death. This study(More)
Aggregation of Amyloid β (Aβ) in the interneuronal spaces is a major etiopathological factor for onset and progression of Alzheimer’s disease (AD). Since the mechanism of aggregation is not fully understood, control and modulation of the aggregation process is a challenging task. Although, several strategies were developed for the past few decades, yet(More)
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