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Databases : Web of Science Core ... ✕Researcher : Ali ASLAN ✕
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Prof. Dr. Ali ASLANFen Fakültesi
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Exploring of the ameliorative effects of Nerium (Nerium oleander L.) ethanolic flower extract in streptozotocin induced diabetic rats via biochemical, histological and molecular aspects

Ali ASLAN

Background: Nerium oleander L. is ethnopharmacologically used for diabetes. Our aim was to investigate the ameliorative effects of ethanolic Nerium flower extract (NFE) in STZ-induced diabetic rats. Methods: Seven random groups including control group, NFE group (50 mg/kg), diabetic group, glibenclamide group and NFE treated groups (25 mg/kg, 75 mg/kg, and 225 mg/kg) were composed of forty-nine rats. Blood glucose level, glycated hemoglobin (HbA1c), insulin level, liver damage parameters and lipid profile parameters were investigated. Antioxidant defense system enzyme activities and reduced gl ...More

Article 2023 Fen Fakültesi Molecular Biology Reports50 ( 5 ) 23 Views
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Contributions to the Lichen flora of Turkey: New records from Eastern Anatolia (Van province)

Ali ASLAN

Our field research in Van province during 2008-2009 resulted in collection of 3766 lichen samples from 55 sites, and identification of 229 lichen taxa, including two subspecies and three varieties, in 108 genera of Ascomycota. We found 182 new records for Van province. These include four new records for Turkey, namely Bibbya ruginosa, Buellia subalbula, Caloplaca tenuatula and Rimularia gibbosa. Lists of species and collection sites are provided. Acarospora (11 species), Lecidea (9 species), Verrucaria (8 species), Caloplaca, Physcia and Rinodina (7 species for each), and Aspicilia, Lecanora a ...More

Article 2022 Fen Fakültesi Israel Journal of Plant Sciences69 ( 3-4 ) 113 Views
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Agrobacterium- mediated transformation of Turkish upland rice (Oryza sativa L.) for Dalapon herbicide tolerance

Yılmaz KAYA | İbrahim İlker ÖZYİĞİT | Ali ASLAN

Agrobacterium-mediated transformation of upland rice is established in few numbers of cultivars due to the high cultivar-specificity of regeneration from transformed explants. Further, dehalogenase E (dehE) gene had been characterized in Pseudomonas putida and it produces an enzyme that degrades dalapon. This study aimed to transform Turkish upland rice with the dehE herbicide resistant gene and addresses the challenges of transgenic rice recovery by identifying explant and transformation method. Constructed vector pCAMdehE carrying dehE gene was transferred into the rice shoot apex by Agrobac ...More

Article 2020 Fen Fakültesi Indian Journal of Biotechnology (IJBT)19 ( 4 ) 134 Views
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Fungal Systematics and Evolution: FUSE 5.

Ali ASLAN

Thirteen new species are formally described: Cortinarius brunneocarpus from Pakistan, C. lilacinoarmillatus from India, Curvularia khuzestanica on Atriplex lentiformis from Iran, Gloeocantharellus neoechinosporus from China, Laboulbenia bernaliana on species of Apenes, Apristus, and Philophuga (Coleoptera, Carabidae) from Nicaragua and Panama, L. oioveliicola on Oiovelia inachadoi (Hemiptera,Veliidae) from Brazil, L. termiticola on Macrotermes subhyalinus (Blattodea, Termitidae) from the DR Congo, Pluteus cutefractus from Slovenia, Rhizoglomus variabile from Peru, Russula phloginea from China, ...More

Article 2019 Fen Fakültesi Sydowia71 79 Views
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Evaluation of the biological activities of olivetoric acid, a lichen-derived molecule, in human hepatocellular carcinoma cells

Ali ASLAN

Many lichen secondary metabolites contributed to the field of pharmacology as an active ingredient of different drugs for years. In the present study, we aimed to test the anticancer activity of olivetoric acid (OA), which we isolated from Pseudevernia furfuracea (L.) Zopf in human hepatocellular carcinoma cells (HepG2). In addition, we used non-tumoral human liver cells (THLE2) to test the level of side effects of OA in vitro. For this purpose, cytotoxic (apoptotic and necrotic), oxidant, genotoxic activities and expression levels of apoptotic genes caused by different concentrations (12.5-40 ...More

Article 2021 Fen Fakültesi Rendiconti Lincei. Scienze Fisiche e Naturali32 ( 1 ) 58 Views
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Cytogenetic and Oxidative Status of Cultured Lymphocytes after Exposure to Extracts from Rhizopogon Mushrooms (Agaricomycetes) In Vitro

Ali ASLAN

In this study, acetone and water extracts obtained from edible mushrooms, Rhizopogon luteolus Fr. and Rh. roseolus (Corda) Th. Fr., containing important bioactive components were used. Total antioxidant capacity (TAC) and total oxidative stress (TOS) levels were examined on human peripheral lymphocyte culture treated with the respective extracts. Levels of genetic damage and cytotoxic effects of the respective extracts on lymphocytes were also tested. In general, when TAC levels of the extracts on cells were examined, a concentration-dependent increase was observed; a negative correlation was ...More

Article 2021 Fen Fakültesi International Journal of Medicinal Mushrooms23 ( 3 ) 100 Views
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Potential human health risks of toxic/harmful elements by consumption of Pseudevernia furfuracea

Ali ASLAN

The potential human health risks of some toxic/harmful elements related to the consumption of Pseudevernia furfuracea (L.) Zopf. were investigated. The toxic/harmful elements (cadmium (Cd), chromium (Cr), copper (Cu), lead (Pb), manganese (Mn), nickel (Ni), and zinc (Zn)) were determined in P. furfuracea. According to the analysis result, the maximum (max.) toxic/harmful element value was 62 +/- 3.1 mg/kg for Mn and minimum (min.) value was 0.19 +/- 0.01 mg/kg for Cd. The estimated daily exposure doses (EDEXDs) for men, women and children were dietary (bread) > dietary (tea) > dermal. For diet ...More

Article 2021 Fen Fakültesi International Journal of Environmental Health Research32 ( 9 ) 44 Views
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PHENOLIC CONTENT AND BIOLOGICAL ACTIVITIES OF TRAMETES HIRSUTA

Ali ASLAN

Natural mushrooms are one of the important elements of the ecosystem. It has been preferred by people from past to present because of its nutritional and medicinal potentials. In this study, antioxidant, oxidant and antimicrobial potential of Trametes hirsuta (Wulfen) Lloyd has been determined. In addition, phenolic compounds in its fruiting body have been scanned. The antioxidant and oxidant potential was determined using Rel Assay kits. Antimicrobial potential was determined using the agar dilution method. Phenolic contents were scanned on the HPLC device. As a result of the studies, the pre ...More

Article 2021 Fen Fakültesi Fresenius Environmental Bulletin30 ( 4A ) 154 Views
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Prophylactic effect of myricetin and apigenin against lipopolysaccharide-induced acute liver injury

Ali ASLAN

Background Liver has an important role in the initiation and progression of multiple organ failure that occurs in sepsis. Many natural active substances can be used to reduce the liver injury caused by sepsis. For this aim, the effects of myricetin and apigenin on mice model of acute liver injury was evaluated in this study. Methods and results Thirty-six mice were randomly divided into six groups as; control, lipopolysaccharide (LPS) (5 mg/kg), LPS myricetin (100 mg/kg), LPS myricetin (200 mg/kg), LPS apigenin (100 mg/kg), and LPS apigenin (200 mg/kg) groups. Myricetin and apigenin were admin ...More

Article 2021 Fen Fakültesi Molecular Biology Reports48 ( 9 ) 47 Views
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The Metal Complexes of Natural Compounds, Usnic Acid and Naringenin Immobilized on Mesoporous Silica: Solid Phase Extraction and Oxidative Catalytic Properties

Ali ASLAN

The novel semi-natural Schiff bases were synthesized with the reaction of the natural compounds usnic acid and naringenin extracted and purified in natural sources and chemically modified silica gel. Cu(II), Ni(II), Co(II) and Mn(II) complexes of the ligands were synthesized and the silica-supported ligands and their metal complexes were characterized by FT-IR, TG/DTA, SEM, EDX, ICP-OES and elemental analyses techniques. The solid-phase extraction behaviours of the novel silica-supported ligands were examined. It was found that the hybrid materials showed the very efficient adsorption properti ...More

Article 2021 Fen Fakültesi Journal of the Chemical Society of Pakistan43 ( 6 ) 43 Views
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THE PHYSIOLOGICAL AND DNA DAMAGE RESPONSE OF IN THE LICHEN HYPOGYMNIA PHYSODES TO UV AND HEAVY METAL STRESS

Ali ASLAN

This work aims to determine the response of Hypogymnia physodes (L.) Nyl. (hooded tube lichen) collected in an unpolluted site (Yenice Forest in Karabiik, Turkey) to stress conditions. In the present study, the effect of exposure to different heavy metals (Cd 2, Pb 2, and Cr 6) for different durations and UV radiations dosages on lichen was examined at the physiological and molecular levels. The effects of stress conditions were determined in the case of different parameters concerning heavy metal, protein, chlorophyll, and carotenoid contents and changes in the DNA profiles. According to the ...More

Article 2020 Fen Fakültesi Applied Ecology and Environmental Research18 ( 2 ) 37 Views
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In vitro evaluation of cytotoxic, oxidative, genotoxic, and apoptotic activities of physodic acid from Pseudevernia furfuracea in HepG2 and THLE2 cells

Ali ASLAN

In the present study, cytotoxic (apoptotic and necrotic), antioxidant, prooxidant, genotoxic, and apoptosis-related genes expression modulatory effects of physodic acid (PA) isolated from Pseudevernia furfuracea on cancerous (HepG2) and healthy (THLE2) human liver cells were evaluated. Cytotoxic effects PA obtained from P. furfuracea on HepG2 and THLE2 cells were tested via MTT and LDH analyses. In order to determine genotoxic effect of PA, 8-OH-dG levels in the cells were measured. In addition, apoptotic or necrotic effects of PA on the hepatic cells were determined by qRT-PCR analysis. Cytot ...More

Article 2020 Fen Fakültesi Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology155 ( 6 ) 67 Views
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