Publications by authors named "Sayed A El Toumy"

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Chalcone constituents pulincisones A-F isolated from Pulicaria incisa with NQO1 inducer activity.
Ahmed R Hamed, Tarik A Mohamed, Sally A Abdel-Halim, Mohamed H Abd El-Razek, Sayed A El-Toumy

Sci Rep· August 2025

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Efficacy of goldenberry in improving obesity-induced hemoglobin conformational structure changes in wistar rats: A biophysical perspective.
Sherif A Abdelmottaleb Moussa, Samir W Aziz, Samir A Bashandy, Marawan Abd Elbaset, Noha A Abd El-Latif, Sayed A El Toumy

Heliyon· November 2024

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Role of Goldenberry (Fruits with Husk) Extract in Ameliorating the Architecture and Osmotic Fragility of Red Blood Cells in Obese Rats.
Sherif A Abdelmottaleb Moussa, Samir W Aziz, Noha A Abd El-Latif, Samir A E Bashandy, Marawan A Elbaset, Sayed A El Toumy

Biomed Res Int· December 2023

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Evaluation of the cytotoxic, anticancer, and genotoxic activities of Acacia nilotica flowers and their effects on N-methyl-N-nitrosourea-induced genotoxicity in mice.
Kawthar A Diab, Maha A Fahmy, Emad M Hassan, Sayed A El-Toumy

Mol Biol Rep· September 2022

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Anti-Obesity Evaluation of L. Leaves and Assessment of Its Polyphenols as Potential α-Glucosidase Inhibitors.
Nehal S Ramadan, Nabil H El-Sayed, Sayed A El-Toumy, Doha Abdou Mohamed, Zeinab Abdel Aziz

Molecules· August 2022

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Novel Neuroprotective Potential of (Cav.) DC against Lipopolysaccharide Induced Alzheimer's Disease in Mice.
Haidy A Abbas, Ahmed M Salama, Sayed A El-Toumy, Abeer A A Salama, Soad H Tadros

Plants (Basel)· July 2022

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Polyphenol Content, Antioxidant, Cytotoxic, and Genotoxic Activities of Bombax ceiba Flowers in Liver Cancer Cells Huh7.
Kawthar A Diab, Reem El-Shenawy, Naiera M Helmy, Sayed A El-Toumy

Asian Pac J Cancer Prev· April 2022

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A new cycloartane triterpene and other phytoconstituents from the aerial parts of .
Ahmed R Hassan, Ahmed Ashour, Yhiya Amen, Maki Nagata, Sayed A El-Toumy

Nat Prod Res· February 2022

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New antimicrobial metabolites from the medicinal herb .
Tarik A Mohamed, Abeer A Abd El Aty, Abdelaaty A Shahat, Nahla S Abdel-Azim, Khaled A Shams, Sayed A El-Toumy

Nat Prod Res· June 2021

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Metabolite profiles of Pulicaria crispa and P. incisa in relation to their in-vitro/ in-vivo antioxidant activity and hepatoprotective effect: A comparative mass spectrometry-based metabolomics.
Osama A El-Sabagh, Sayed A El-Toumy, Rafik Mounir, Mohamed A Farag, Engy A Mahrous

J Pharm Biomed Anal· February 2021

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Nephroprotective, cytotoxic and antioxidant activities of .
Hanan M Al-Yousef, Ali S Alqahtani, Afaf S A Ghani, Sayed A El-Toumy, Wagdi I A El-Dougdoug

Saudi J Biol Sci· January 2021

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Nutrient and Sensory Metabolites Profiling of L. (Starfruit) in the Context of Its Origin and Ripening Stage by GC/MS and Chemometric Analysis.
Nehal S Ramadan, Ludger A Wessjohann, Andrei Mocan, Dan C Vodnar, Nabil H El-Sayed, Sayed A El-Toumy

Molecules· May 2020

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A new flavonol glycoside and other flavonoids from the aerial parts of Taverniera aegyptiaca.
Ahmed R Hassan, Khadiga F Amer, Sayed A El-Toumy, John Nielsen, Søren Brøgger Christensen

Nat Prod Res· April 2019

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Ellagic Acid Holds Promise Against Hepatocellular Carcinoma in an Experimental Model: Mechanisms of Action.
Asmaa M Zaazaa, Maha S Lokman, Aziza B Shalby, Hanaa H Ahmed, Sayed A El-Toumy

Asian Pac J Cancer Prev· February 2018

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Phenolic metabolites, biological activities, and isolated compounds of Terminalia muelleri extract.
Walaa A El-Kashak, Samir M Osman, Ahmed H Gaara, Sayed A El-Toumy, Tahia K Mohamed

Pharm Biol· December 2017

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Metformin, an Anthropogenic Contaminant of Seidlitzia rosmarinus Collected in a Desert Region near the Gulf of Aqaba, Sinai Peninsula.
Ahmed R Hassan, Salah M El-Kousy, Sayed A El-Toumy, Karla Frydenvang, Truong Thanh Tung

J Nat Prod· October 2017

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Gallic acid against hepatocellular carcinoma: An integrated scheme of the potential mechanisms of action from in vivo study.
Hadeer A Aglan, Hanaa H Ahmed, Sayed A El-Toumy, Nadia S Mahmoud

Tumour Biol· June 2017

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Bougainvillea spectabilis flowers extract protects against the rotenone-induced toxicity.
Omar M E Abdel-Salam, Eman R Youness, Nadia A Ahmed, Sayed A El-Toumy, Ahmed M A Souleman

Asian Pac J Trop Med· May 2017

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Biochemical and molecular evidences for the antitumor potential of Ginkgo biloba leaves extract in rodents.
Hanaa H Ahmed, Wafaa Gh Shousha, Hatem A El-Mezayen, Sayed A El-Toumy, Alaa H Sayed

Acta Biochim Pol· April 2017

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Cornigerin, a new sesqui-lignan from the hepatoprotective fractions of Cynara cornigera L.
Samah M El Sohafy, Aly M Metwally, Abdalla A Omar, Masouda E Amer, Mohamed M Radwan, Sayed A El Toumy

Fitoterapia· December 2016

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Quercetin Confers Tumoricidal Activity Through Multipathway Mechanisms in A N-Methylnitrosourea Rat Model of Colon Cancer.
Hanaa H Ahmed, Hadeer A Aglan, Asmaa M Zaazaa, Aziza B Shalby, Sayed A El Toumy

Asian Pac J Cancer Prev· November 2016

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A new acylated flavonol from the aerial parts of Asteriscus maritimus (L.) Less (Asteraceae).
Marwa I Ezzat, Shahira M Ezzat, Kadriya S El Deeb, Ahlam M El Fishawy, Sayed A El-Toumy

Nat Prod Res· August 2016

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Antihepatotoxic Effect and Metabolite Profiling of Extract via UPLC-qTOF-MS.
Mohamed A Farag, Ahlam M El Fishawy, Sayed A El-Toumy, Khadiga F Amer, Ahmed M Mansour

Pharmacogn Mag· July 2016

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New quinoline alkaloid from Ruta graveolens aerial parts and evaluation of the antifertility activity.
Josline Y Salib, Sayed A El-Toumy, Emad M Hassan, Nabila H Shafik, Sally M Abdel-Latif

Nat Prod Res· December 2014

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Secondary metabolites and bioactivities of Albizia anthelmintica.
Tahia K Mohamed, Mahmoud I Nassar, Ahmed H Gaara, Walaa A El-Kashak, Iñaki Brouard, Sayed A El-Toumy

Pharmacognosy Res· April 2013

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