NDLI: Nutraceutical properties of dietary plants extracts: Prevention of diabetic nephropathy through inhibition of glycation and toxicity to erythrocytes and HEK293 cells

Content Provider	Taylor & Francis Online
Author	Shaikh, Shamim A. Parikh, Juhi U. Khaire, Amrita A. Tupe, Rashmi S. Phatak, Devyani V. Kemse, Nisha G. Sankhe, Neena M.
Abstract	Context: Glycated albumin is reported to elicit pathobiologic effects in diabetic nephropathy and abrogating its biologic effects has novel therapeutic potential.Objective: This study examines the effects of dietary plants extracts (Laurus nobilis, Carum carvi, Coccinia grandis, Mentha arvensis, Phaseolus vulgaris) against albumin glycation and its toxicity to erythrocytes and HEK293 cells.Materials and methods: Albumin (10 mg/ml) was incubated with fructose (250 mM) in PBS along with aqueous plant extracts (1% w/v) for 4 d. After incubation, the antiglycation potential of extracts was estimated by measuring AGEs, fructosamine, amyloids, carbonyls, free amino groups, and antioxidant potential of albumin. The glycation extent of the treated samples was determined by boronate affinity chromatography. Effect of extracts against glycation induced cytotoxicity in erythrocytes and HEK 293 cells was assessed by estimating viability, glutathione, and antioxidant capacity. Plant extracts were tested for their phenolic content and antioxidant potential (reducing potential, DPPH, ABTS, NO, and H2O2 radical scavenging activities).Results: Plant extracts significantly decreased the AGEs formation and amyloid aggregation in glycated BSA (p < 0.001). Further, fructosamine and carbonyls were reduced to 55–72% and 83–89%, respectively. Free amino group and antioxidant activity of albumin were also preserved by 1.25–1.40-fold and 1.75–1.8-fold, respectively. Further, co-incubation of extracts with glycated albumin, protected erythrocytes, and HEK293 cells as they inhibited cellular hemolysis/toxicity (p < 0.001) by upregulating cellular antioxidants.Discussion and conclusion: Plant co-incubation reversed many modifications in albumin glycation, cellular dysfunction indicating that dietary sources with antiglycating and antioxidant potential could be considered for the effective management of diabetic nephropathy.
Starting Page	40
Ending Page	50
Page Count	11
File Format	PDF HTM / HTML
ISSN	13880209 17445116
DOI	10.3109/13880209.2014.910236
Journal	Pharmaceutical Biology
Volume Number	53
Issue Number	1
Language	English
Publisher	Informa Healthcare
Publisher Date	2014-12-18
Access Restriction	Open
Subject Keyword	Antiglycation activity Blood cells Diabetic complications Renal cells
Content Type	Text
Resource Type	Article
Subject	Drug Discovery Pharmacology Molecular Medicine Complementary and Alternative Medicine Pharmaceutical Science

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