WoS İndeksli Yayınlar Koleksiyonu

Permanent URI for this collectionhttps://hdl.handle.net/20.500.14627/6

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Subject: search.filters.subject.Small IntestineWoS Q: search.filters.wosQuartile.Q3

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  • Article
    In Vivo and In Silico Evaluation of the Effects of Parsley (Petroselinum Crispum L.) Extract on Small Intestinal Tissue in Scopolamine-Induced Cognitive Dysfunction Model
    (Wiley-VCH Verlag GmbH, 2025) Ertik, Onur; Sacan, Ozlem; Sener, Goksel; Pazarbasi, Seren Ede; Yanardag, Refiye
    The brain-small intestine connection has become important in neurodegenerative diseases in recent years. In particular, the discovery of the relationship between Alzheimer's disease (AD) and the small intestine and the examination of the effects of AD on this tissue are important in this respect. Our study aimed to understand the effects of the experimentally created AD model in rats on the small intestinal tissue and the protective effect of the extract prepared from parsley leaves (PE). The experimental animals were divided into four groups in the study; Control, Scopolamine (Scop), Scop + PE and Scop + Galantamine (GAL). Oxidative stress parameters and activities of some important enzymes were examined in small intestinal tissues taken as a result of the experimental protocol. Additionally, in silico studies were carried out for bioactive molecules found in parsley leaves using data obtained from in vivo enzyme activity results. It was found that parameters examined for the damaged group, Scop, were reversed by PE and GAL treatment. As a result of in silico studies, it was determined that oxypeucedanin and phylloquinone had higher binding affinity than rutin for acetylcholinesterase (AChE). It has been observed that oxidative damage in the small intestine due to AD can be treated by the PE.
  • Article
    Citation - Scopus: 1
    Aqueous Parsley (Petroselinum crispum) Extract Ameliorated Methotrexate-Induced Brain and Small Intestine Damage in Rats
    (Ankara Univ, 2025) Saçan, Ozlem; Şener, Göksel; Yanardag, Refıye; Tunali-Akbay, Tugba; Sivas, Guzin Goksun; Karaoğlu, Sümeyye Yılmaz; Dursun, Ercan; Akbay, Tugba Tunali; Yilmaz Karaoğlu, Sümeyye; Tufan, Elif; Tunali Akbay, Tugba
    Methotrexate (MTX) is a widely used antiarthritic and chemotherapeutic agent known to cause damage to various tissues. This study investigated the potential protective effects of parsley extract against MTX-induced brain and intestinal tissue damage. Sprague-Dawley rats were divided into control, control + parsley, MTX, and MTX + parsley. MTX (20 mg/kg, i.p.) was administered to the MTX and MTX + parsley groups. The control + parsley, and MTX + parsley groups were administered 2 g/kg parsley extract by oral gavage for five consecutive days. After the fifth day, brain and small intestinal tissues were taken. Total protein, nitric oxide, lipid peroxidation, glutathione levels, tissue factor, superoxide dismutase, and glutathione S-transferase activities were determined in these tissues. The protein profiles of the tissues were evaluated using SDS polyacrylamide gel electrophoresis. Parsley administration caused a decrease in lipid peroxidation levels in both tissues of the MTX group. On the other hand, glutathione level, glutathione-S-transferase, and superoxide dismutase activities were found to be increased. On the other hand, parsley decreased the nitric oxide level which was increased in the intestinal tissues of the MTX group. There was no significant change in brain nitric oxide level and tissue factor activity between groups. MTX and parsley administration altered protein expression, leading to the appearance or disappearance of specific bands in intestinal and brain tissues. In conclusion, parsley alleviated MTX-induced damage in brain and intestinal tissues by reducing lipid peroxidation and modulating antioxidant defenses.