Ecem Fatma Karaman

ORCID: 0000-0002-1504-4546
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Research Areas
  • Mycotoxins in Agriculture and Food
  • Effects and risks of endocrine disrupting chemicals
  • Plant Disease Resistance and Genetics
  • Selenium in Biological Systems
  • Epigenetics and DNA Methylation
  • Insect and Pesticide Research
  • Estrogen and related hormone effects
  • Carcinogens and Genotoxicity Assessment
  • Advancements in Transdermal Drug Delivery
  • Pesticide Exposure and Toxicity
  • Redox biology and oxidative stress
  • Insect Pest Control Strategies
  • Advanced Drug Delivery Systems
  • Eicosanoids and Hypertension Pharmacology
  • Nitric Oxide and Endothelin Effects
  • Potato Plant Research
  • Chemical Reactions and Isotopes
  • Pesticide and Herbicide Environmental Studies
  • Medicinal Plant Extracts Effects
  • Meat and Animal Product Quality
  • Cell death mechanisms and regulation
  • Neuroendocrine regulation and behavior
  • Contact Dermatitis and Allergies
  • Per- and polyfluoroalkyl substances research
  • Analytical Chemistry and Chromatography

Biruni University
2019-2025

Istanbul University
2015-2024

Abstract Solid lipid nanoparticles (SLN), nanostructured carriers (NLC) and nanoemulsion (NE) of lornoxicam (LRX) were prepared for the treatment painful inflammatory conditions skin. Compritol® 888 ATO, Lanette® O oleic acid used as solid liquid lipids. SLN, NLC NE found physically stable at various temperatures 6 months. Case I diffusional drug release was detected dominant mechanism indicating Fickian diffusion from nanoemulsion. The highest rate penetration through rat skin obtained with...

10.1515/acph-2015-0009 article EN cc-by-nc-nd Acta Pharmaceutica 2015-03-01

Perivascular adipose tissue (PVAT) plays a crucial role in vascular homeostasis. Recent studies demonstrated that endoplasmic reticulum (ER) stress and autophagy are activated Type 2 diabetes mellitus (T2DM), while the precise of ER PVAT is unclear. We aimed to investigate possible influence pioglitazone on response T2DM rats. was induced by high‐fat diet/low‐dose streptozotocin (HFD/STZ) male Wistar rats (8–10 weeks), (20 mg/kg/p.o.) administered for 6 weeks. Changes biochemical parameters...

10.1155/ppar/9645836 article EN cc-by PPAR Research 2025-01-01

Acetamiprid (ACE), a commonly used neonicotinoid insecticide, is correlated with neurological symptoms, immunotoxicity and hepatotoxicity. Cellular stress damage could play an important role in ACE-induced neurotoxicity; however, its mechanism has not been fully understood. We evaluated the effects of ACE on oxidative stress, endoplasmic reticulum (ER) cellular death, mRNA expression levels related genes protein expressions molecular mechanisms SH-SY5Y human neuroblastoma cells. The half...

10.3390/biology10090820 article EN cc-by Biology 2021-08-24

Citrinin (CIT) is a mycotoxin produced as secondary product by the genera Aspergillus, Penicillium, Monascus, and other strains. CIT has potential for contaminating animal feed human food such maize, wheat, rye, barley, oats, rice, cheese, sake. Although primarily known nephrotoxic mycotoxin, it also affects organs, including liver bone marrow, its mechanisms of toxicity have not been clearly elucidated. There further lack studies investigating CIT-induced neurotoxicity mechanisms. In...

10.1080/01480545.2022.2113095 article EN Drug and Chemical Toxicology 2022-09-06

Colorectal cancer is the third most common cause of cancer-related mortality. Previous studies demonstrated increased telomerase activity in colorectal tissue and suggested a prognostic value for patients with carcinoma. Telomerase reverse transcriptase (TERT), one main functional subunits telomerase, an important factor modulating activity, telomere length, genomic stability. However, there are few that have addressed association between genetic variation at TERT risk cancer.We evaluated...

10.1089/gtmb.2015.0150 article EN Genetic Testing and Molecular Biomarkers 2015-10-26

Glyphosate (N-phosphonomethyl glycine) is a non-selective, organophosphate herbicide widely used in agriculture and forestry. We investigated the possible toxic effects of glyphosate active compound its commercial formulation (Roundup Star ® ) human hepatocellular carcinoma (HepG2) cell line, including their on cytotoxicity, proliferation, reactive oxygen species (ROS) levels, expression oxidative stress-related genes such as HO-1, Hsp70 Nrf2, L-FABP, Keap1. MTT NRU tests indicated that IC...

10.1177/07482337221149571 article EN Toxicology and Industrial Health 2023-01-10

Lipid nanoparticles have been paid growing interest for topical application of non-steroidal anti-inflammatory drugs to increase skin penetration and reduce side effects. Solid lipid nanostructured carriers celecoxib were prepared by high-pressure homogenization technique. Transmission electron microscopy, fourier transform infrared spectroscopy, differential scanning calorimetry, photon correlation spectroscopy laser diffraction used characterization nanoparticles. Their physical stability...

10.2174/1573413710666140218231307 article EN Current Nanoscience 2014-06-01

Abstract Fumonisin B 1 (FB ), which is emerged by contamination of corn and similar products with Fusarium species, causes a high risk for human animal health. FB shows hepatotoxic, nephrotoxic, neurotoxic, immunotoxic teratogenic effects. has also been linked to carcinogenesis processes that are unrelated genotoxic pathways. Our goal was investigate the role gene-specific DNA methylation expression tumour suppressor genes in toxicity kidney (HK-2) cells. Using array panels, effects exposure...

10.1163/18750796-bja10008 article EN World Mycotoxin Journal 2024-09-25

Perivascular adipose tissue (PVAT) plays an important role in many physiological and pathological processes, such as regulation of vascular tone. The aim this study is to evaluate the effects pioglitazone on functional, structural, biochemical properties PVAT experimental model type-2 diabetes (T2DM). T2DM was induced by high-fat-diet/low-dose-streptozotocin (HFD/STZ) rats, (20mg/kg/p.o.) administered for 6 weeks. Changes parameters, PVAT-mass, vascular-reactivity thoracic-aorta well...

10.1139/cjpp-2024-0084 article EN Canadian Journal of Physiology and Pharmacology 2024-10-03

Valerenic acid (VA) is a sesquiterpenoid and phytoconstituent of the plant valerian used for sleeping disorders anxiety. The frequency using herbal components as therapeutic nutritional agents has increased lately. Their ability to improve redox homeostasis makes them valuable approach against harmful xenobiotics. purpose this study was evaluate putative beneficial role VA redox-perturbating fungicide benomyl in HepG2 human liver cells terms oxidative stress cellular environment endoplasmic...

10.3390/antiox10050746 article EN cc-by Antioxidants 2021-05-08

Zearalenone is a mycotoxin widely found worldwide that produced by several fungal species. Due to its similarity estradiol, it has been shown have toxic effects on the reproductive system. Although various animal studies conducted investigate of zearalenone, mechanisms toxicity not fully elucidated. The aim study was dose-dependent zearalenone exposure in human kidney cells. half-maximal inhibitory concentration values HK-2 cells were be 133.42 and 101.74 µM MTT- NRU-tests, respectively. at...

10.3920/wmj2019.2512 article EN World Mycotoxin Journal 2020-06-03

<title>Abstract</title> Ulcerative colitis is an inflammatory bowel disease characterized by inflammation and increased oxidative stress in the colon tissue. Sodium phenylbutyrate (PBA) suramin are histone deacetylase inhibitors that alter gene expression keeping histones acetylated form. Our aim this study was to determine effects of PBA on tissue acute model mice clarify mechanisms their action. induced 3% dextran sulfate sodium (DSS). After injection, activity index (DAI) scoring were...

10.21203/rs.3.rs-4211305/v1 preprint EN cc-by Research Square (Research Square) 2024-04-09

Amaç: Günümüzde en çok çalışılan Fusarium mikotoksin türleri arasında fumonisin B1 (FB1) ve zearalenon (ZEA) bulunmaktadır. FB1 ZEA farklı moleküler mekanizmaları etkilemekte olup birçok toksik etkiye sebep olmaktadır. Bu derlemede ZEA’nın DNA metilasyonu, histon modifikasyonları mikroRNA (miRNA) seviyeleri gibi epigenetik mekanizmalar üzerine etkileri düzeyde gözlenen etkilerinin özetlenmesi amaçlanmıştır. Sonuç Tartışma: metilasyonunu, modifikasyonunu miRNA seviyelerini uygulama süresi...

10.33483/jfpau.1459437 article TR Ankara Universitesi Eczacilik Fakultesi Dergisi 2024-07-24
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