Refiye Yanardağ

ORCID: 0000-0003-4185-4363
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About
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Research Areas
  • Pharmacological Effects and Toxicity Studies
  • Natural Antidiabetic Agents Studies
  • Advanced Glycation End Products research
  • Vanadium and Halogenation Chemistry
  • Phytochemicals and Antioxidant Activities
  • Biochemical effects in animals
  • Vitamin C and Antioxidants Research
  • Drug-Induced Hepatotoxicity and Protection
  • Diet, Metabolism, and Disease
  • Biochemical Acid Research Studies
  • Trace Elements in Health
  • Heavy Metal Exposure and Toxicity
  • Free Radicals and Antioxidants
  • Pregnancy and Medication Impact
  • Moringa oleifera research and applications
  • Pharmacological Effects of Natural Compounds
  • Histone Deacetylase Inhibitors Research
  • Metabolism, Diabetes, and Cancer
  • Synthesis and biological activity
  • Heme Oxygenase-1 and Carbon Monoxide
  • Aluminum toxicity and tolerance in plants and animals
  • Liver Disease Diagnosis and Treatment
  • Phytochemistry and biological activity of medicinal plants
  • Pancreatic function and diabetes
  • Neurological Disorders and Treatments

Istanbul University-Cerrahpaşa
2019-2025

Istanbul University
2015-2024

Marmara University
1994-2022

National Institute of Technology Jamshedpur
2019

Quaid-i-Azam University
2019

Islamic Azad University, Lahijan Branch
2019

Maltepe University
2017

İstanbul Nişantaşı Üniversitesi
1998

Scientific and Technological Research Council of Turkey
1987

Moringa oleifera is a source of food, shelter and traditional medicine for many people in developing countries. It an exceptional vitamins, minerals, amino acids, lipids, carotenoids, flavonoids, sterols phenolics. Owing to its diverse nutritional phytochemical composition, it widely consumed used therapeutics. In this study, the aqueous, methanol, hexane ethyl acetate extracts M. seeds, leaves roots were assessed vitro α-amylase, α-glucosidase glucose-induced bovine serum albumin glycation...

10.1016/j.sajb.2019.11.024 article EN cc-by South African Journal of Botany 2019-11-27

The aim of this work was to investigate the effects Aloe vera leaf pulp and gel extracts on liver tissue neonatal streptozotocin (n0STZ)-induced type-II diabetic rats. rats were separated into four groups each group given following samples by gavage, daily for 15 d: phosphate buffered saline (PBS; control), extract, glibenclamide. Liver tissues examined histologically. markers oxidative stress: glutathione (GSH), non-enzymatic glycosylation (NEG) lipid peroxidation (LPO), determined in...

10.1248/bpb.27.694 article EN Biological and Pharmaceutical Bulletin 2004-01-01

Metformin is a biguanide derivate used as an oral hypoglycaemic drug in diabetics. The aim of this study was to examine the histological and biochemical effects metformin streptozotocin (STZ)-treated rats. animals were rendered diabetic by intraperitoneal injection 65 mg/kg STZ. Fourteen days later, given at 25 gavage, daily for 28 days, STZdiabetic rats control group. In STZ-diabetic group, some degenerative changes observed light microscopic examination. But decreased group metformin....

10.1191/0960327104ht507oa article EN Human & Experimental Toxicology 2005-03-01

Some series of arylidene barbiturates and thiobarbiturates were evaluated for their antibacterial, antioxidant, urease inhibition activities. The tested antimicrobial activity using the agar well diffusion technique against 13 bacteria. synthesized compounds (1a-g) screened antiurease antioxidant results showed that had effective antiurease, antibacterial

10.1007/s12010-013-0486-6 article EN cc-by Applied Biochemistry and Biotechnology 2013-09-10

This study investigated both morphologically and biochemically whether parsley (Petroselinum crispum), which is used as a folk remedy to decrease blood glucose, has any antidiabetic effect on pancreatic B cells of rats. Parsley extract was given male diabetic In the group extract, it detected that number secretory granules in islets other morphologic changes were not different from control group, while glucose levels plant reduced comparison group. addition, observed weight extract. It...

10.1248/bpb.26.1206 article EN Biological and Pharmaceutical Bulletin 2003-01-01

In this study, the effect of combination vitamin C (ascorbic acid), E ( α-tocopherol), and selenium (sodium selenate) on ethanol-induced liver intestine injury in rats was investigated. The produced by administration 1 ml absolute ethanol to each rats. Animals received (250 mg/kg), sodium selenate (Se) (0.5 mg/kg) for 3 days; h after final antioxidant administration, they were sacrificed. Lipid peroxidation glutathione levels, catalase (CAT), lactate dehydrogenase (LDH), superoxide dismutase...

10.1080/10915810701707296 article EN International Journal of Toxicology 2007-11-01

The aim of this study was to determine whether vitamin C, E, and selenium have protective effects against cadmium-induced renal toxicity rats. Vitamin C (250 mg/kg/day), E sodium selenate (0.25 mg/kg/day) were given rats orally for 8 days. Cadmium (2 mg/kg/day CdCl2) intraperitoneally. (in the same dose time) 1 h prior administration cadmium every day. tissue blood samples taken from histological evaluation biochemical analyses on Day 9. Lipid peroxidation (LPO) glutathione (GSH)...

10.1080/01480540802383200 article EN Drug and Chemical Toxicology 2008-01-01

ABSTRACT Pistacia atlantica Desf. (Anacardiaceae), a tree that is widely distributed in the Marmara, Mediterranean and Central Anatolia regions of Turkey, has been utilized traditionally for culinary medicinal purposes. In present study, methanolic ethyl acetate extracts were prepared from young leaves P. Desf., which collected during spring, their antioxidant, scavenging, chelating anti-acetylcholinesterase activities evaluated. Both showed strong antioxidant activity compared to synthetic...

10.1111/j.1745-4514.2009.00290.x article EN Journal of Food Biochemistry 2010-03-01
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