Hatem S. Abbass

ORCID: 0000-0002-8518-9724
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Research Areas
  • Phytochemistry and Biological Activities
  • Phytochemistry and biological activities of Ficus species
  • Essential Oils and Antimicrobial Activity
  • Medicinal Plants and Neuroprotection
  • SARS-CoV-2 and COVID-19 Research
  • Banana Cultivation and Research
  • Phytochemicals and Antioxidant Activities
  • Phytochemistry and biological activity of medicinal plants
  • Pharmacological Effects of Natural Compounds
  • Bioactive Compounds and Antitumor Agents
  • Psidium guajava Extracts and Applications
  • Natural product bioactivities and synthesis
  • Phytochemistry and Bioactive Compounds
  • Medicinal Plants and Bioactive Compounds
  • Ethnobotanical and Medicinal Plants Studies
  • Silymarin and Mushroom Poisoning
  • Infection Control and Ventilation
  • Cancer therapeutics and mechanisms
  • Ginger and Zingiberaceae research
  • Shoulder Injury and Treatment
  • Natural Compounds in Disease Treatment
  • Shoulder and Clavicle Injuries
  • Diverse Scientific Research Studies
  • Diet, Metabolism, and Disease
  • Phytochemical Studies and Bioactivities

Al-Azhar University
2022-2025

Sinai University
2020-2025

Al-Azhar University
2013-2024

The herbal extracts of four traditional plants; namely Gymnema sylvestre leaves, Garcinia cambogia fruits, Cleome droserifolia and Nigella sativa seeds, were identified for their main constituents using UHPLC/QTOF-MS/MS. Then, a pharmacology-based analysis molecular docking verification established targeting the evaluation each individual extract antidiabetic/anti-obesity potential besides safety. Streptozotocin-induced diabetic rats used to evaluate antiobesity insulinotropic effects...

10.1080/14786419.2025.2457603 article EN Natural Product Research 2025-01-28

Total 40 natural compounds were selected to perform the molecular docking studies screen and identify potent antiviral agents specifically for Severe Acute Respiratory Syndrome Coronavirus 2 that causes coronavirus disease 2019 (COVID-19). The key targets of COVID-19, protease (PDB ID: 7BQY) RNA polymerase 7bV2) used dock our target by Molecular Operating Environment (MOE) version 2014.09. We 3 different conformations (6M0K, 6Y2F two score functions strengthen probability inhibitors...

10.1007/s13659-020-00275-9 article EN cc-by Natural Products and Bioprospecting 2020-10-22

Background and Objectives: Fibrotic lung disease is one of the main complications many medical conditions. Therefore, use anti-fibrotic agents may provide a chance to prevent, or at least modify, such complication. The aim this study was evaluate protective pulmonary anti-inflammatory effects Dinebra retroflexa. Materials methods: retroflexa methanolic extract its synthesized silver nanoparticles were tested on bleomycin-induced fibrosis. Pulmonary fibrosis induced by intratracheal...

10.3390/medicina58121719 article EN cc-by Medicina 2022-11-24

Isolation and structure elucidation of flavan-3-ol constituents from the leaves Ficus spragueana their cytotoxic activity.Different open silica gel column chromatographic techniques with different solvent systems were used for separation ethyl acetate-soluble fraction alcoholic extract leaves. The structures these compounds assigned on basis spectroscopic analyses comparison literature data. MTT colorimetric assay method (Viability assay) was evaluation activity compound 1 against human...

10.4103/0973-1296.111274 article EN Pharmacognosy Magazine 2013-01-01

Virtual screening of the potential lead chemotherapeutic phytochemicals from medicinal plants has useful application in field in-silico modelling and computer-based drug design by orienting scoring ligands active binding site a target protein. The phytochemical investigation Pterocephalus frutescens extract n-butanol resulted isolation structure elucidation three iridoids four flavonoids which were identified as Geniposide (1), Geniposidic acid (2), Nepetanudoside C (3), Isovitexin (4),...

10.3390/scipharm91010007 article EN cc-by Scientia Pharmaceutica 2023-01-28

Objective: Severe Acute Respiratory Syndrome Coronavirus 2 causes both health and economic crises up till now no drug or vaccine has yet been approved. There is an increased demand to explore other complementary methods protect the world. Eucalyptus essential oil; a popular off-label used relieve nasal congestion via inhalation with promising effects on upper respiratory diseases including viral infections. Methods: In order provide review-based hypotheses demonstrating eucalyptus oil...

10.22270/ujpr.v5i4.440 article EN Universal Journal of Pharmaceutical Research 2020-09-15

Pharmacognosy Magazine ,2019,15,65,586-591.DOI:10.4103/pm.pm_67_19Published:September 2019Type:Original Article Authors:Abd El-Salam I.Mohammed, Arafa Musa, Marwa S Abu-Bakr, and Hatem Abbass Author(s) affiliations:Abd I.Mohammed1, Musa2, Abu-Bakr3, Abbass1 1Department of Pharmacognosy, Faculty Pharmacy (Boys), Al-Azhar University, Cairo, Egypt 2Department Egypt; Department College Pharmacy, Jouf Sakaka, Aljouf, Saudi Arabia 3Department (Girls), Abstract:Background: Eczema or atopic...

10.4103/pm.pm_67_19 article EN Pharmacognosy Magazine 2019-01-01

Background: When the arm sometimes lifted, rotator cuff, subacromial bursa, and biceps tendon pressed on underside of acromion coracoacromial ligament, causing shoulder impingement.There are two sorts impingements: intrinsic extrinsic.As a result degenerative process brought by excessive strain, impingement produces partial or full rupture cuff tendons.Extrinsic occurs when outside causes apply mechanical pressure tendons, irritation degeneration.Aim The Work: Using MR imaging as gold...

10.21608/aimj.2022.105037.1652 article EN cc-by-sa Al-Azhar International Medical Journal /Al-Azhar International Medical Journal 2022-03-01

Background: Medicinal plant extracts and herbal preparations are complex mixtures of active ballast substances, which may contain in frequently up to several hundreds different constituents, with no exactly defined structures at chromatography undoubtedly is a fundamental tool overcome the challenges these phytoanalytics. Aim Study: To investigate Pterocephalus frutescens aerial part biologically chemically correlation constituents their corresponding activities. Materials Methods:...

10.4103/pm.pm_558_19 article EN Pharmacognosy Magazine 2020-01-01

Polypogon monspeliensis, is an invasive annual monocot grass potentially useful as ornamental, food and forage. Although this plant considered a problem weed waste biomass, but it has been used in the treatment of heart palpitations. The objective study was to screen hepatoprotective antiviral activities monspeliensis upon demand for discovery natural drugs with potentials treating, protecting, reversing damage hepatic cells extensively increased. metabolic profiling quantification most...

10.2139/ssrn.4073441 article EN SSRN Electronic Journal 2022-01-01

Strelitzia reginae is used in some African countries as a traditional medicine with very fewphytochemical and biological assessments. The study aims to isolate structure elucidate of S. reginaephytoconstituents using different chromatographic spectral techniques. In addition to, antimicrobialassessment ethyl acetate n-butanol fractions on both clinical isolates standard strains. Strelitziareginae belongs the family Strelitziaceae which rich source biologically active phytoconstituents andhas...

10.21608/aijpms.2023.178758.1181 article EN Azhar International Journal of Pharmaceutical and Medical Sciences/Azhar International Journal of Pharmaceutical and Medical Sciences 2023-12-24
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