Publications by authors named "Nada Mostafa"

Two pure fungal strains were isolated and identified from and , namely, (OR673586) and (OR673589), respectively. The extract and fractions of secondary metabolites of each fungus were evaluated for antioxidant, anti-inflammatory, antimicrobial, antibiofilm, antidiabetic, and cytotoxic activities. The chloroform fraction of showed potent cytotoxic activity (IC = 7.

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  • The study explores the challenge of treating head and neck tumors due to their low radiosensitivity and investigates whether small molecule kinase inhibitors (smKIs) can enhance the effectiveness of radiotherapy by altering immune-related factors in tumor cells.
  • The researchers combined ATM and ATR inhibitors with a specific radiotherapy regimen and examined various effects, including tumor cell death, immune checkpoint marker expression, and cytokine release using cell lines with different HPV statuses.
  • Results showed that while the combination therapy effectively induced cell death, particularly with ATR inhibitors, it also altered the immune profile of surviving cancer cells, suggesting a complex interaction between treatment types and immune responses.
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Chemical prospection for the mycelial extract of the fungus Acremonium sp. Strain MNA-F-1, derived from the inner tissue of anise roots (Pimpnella anisum L., family Apiaceae), led to the isolation and characterization of one previously undescribed natural product, acremochlorin S (1), together with five related derivatives (2-6) and an alkaloidal metabolite, ilicicolin H (7).

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  • Growing interest in cognitive dysfunction related to Alzheimer's disease (AD) highlights the need for effective therapies, as current treatments have limitations.
  • Flavonoids have shown promise due to their antioxidative, anti-inflammatory, and anti-amyloidogenic properties, which could help combat AD symptoms.
  • In this study, researchers tested three flavonoids in zebrafish to assess their potential to improve memory, reduce anxiety, and lower oxidative stress, finding that these compounds positively influence gene expression related to neuroprotection and synaptic function.
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Myocardial infarction (MI) is considered one of the most common cardiac diseases and major cause of death worldwide. The prevalence of MI and MI-associated mortality have been increasing in recent years due to poor lifestyle habits viz. residency, obesity, stress, and pollution.

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Obesity and its comorbidities represent a major health problem worldwide. Treatment by reducing food intake and physical activity interventions has limited success especially with elderly people with chronic diseases. Nutraceuticals are naturally originated and successfully used for their physiological and nutritional benefit in health care.

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Purpose: The current study sought to create novel deformable liponiosomal hybrids (LNHs) as a viable RPG delivery system. Repaglinide (RPG) is an effective anti-hyperglycemic drug. However, its limited solubility may limit its therapeutic applicability.

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Ifosfamide (IFOS) is a broad-spectrum chemotherapeutic agent that has been extensively used for breast cancer and other solid tumors. Unfortunately, its use is associated with toxicities of several organs. Stenocarpus sinuatus is an Australian tree belonging to the Proteaceae family.

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Cyclophosphamide (CPA) is a chemotherapeutic drug used for various types of cancers. However, patients receiving CPA for long periods suffer cognitive impairment associated with difficulties in learning, decreased concentration, and impaired memory. Chemotherapy-induced cognitive impairment, known as chemobrain, has been attributed to enhanced oxidative stress and inflammatory response.

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Clivia miniata (Lindl) is a member of the family Amaryllidaceae known for its chemically diverse alkaloids with a wide range of biological activities. Many reports revealed a direct role of oxidative stress in the early stage of Alzheimer's disease (AD). Meanwhile, β-site amyloid precursor protein cleavage enzyme 1 (BACE-1) is a molecular target for the treatment of AD.

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Background: Endophytic Aspergillus species produce countless valuable bioactive secondary metabolites. In the current study, Aspergillus flavus an endophyte from the soft coral Sarcophyton ehrenbergi was chemically explored and the extracted phytoconstituents were subsequently evaluated for antimicrobial activity. This is accomplished by employing nuclear magnetic resonance (NMR) spectroscopy and computational techniques.

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  • Rhoifolin, a flavonoid with potential health benefits, was evaluated for its antioxidant and enzyme inhibitory activities through various in-vitro assays.
  • Results showed weak antioxidant effects, but notable enzyme inhibition against butyrylcholinesterase (BChE) and tyrosinase, indicating its potential usefulness in treating related conditions.
  • In-silico studies revealed good binding affinities of rhoifolin to different enzymes, suggesting its moderate inhibition abilities warrant further research.
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is an aromatic genus of flowering plants belonging to family Myrtaceae. The essential oils of leaves were collected in four seasons and analyzed using GC/MS. The oils demonstrated monoterpenes as the predominant class.

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Alzheimer's disease (AD) is a major health problem. Cholinergic transmission is greatly affected in AD. Phytochemical investigation of the alkaloid rich fraction (AF) of Erythrina corallodendron L leaves resulted in isolation of five known alkaloids: erysodine, erythrinine, 8-oxoerythrinine, erysovine N-oxide and erythrinine N-oxide.

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  • - Seaweed extracts (butanol and ethyl acetate) contain various bioactive components that contribute to human health, showing significant levels of ash, fat, protein, and carbohydrates.
  • - A total of 19 compounds were identified in the butanol extract and 25 in the ethyl acetate extract, with some notable compounds including undecane and hexadecenoic acid, and FT-IR spectroscopy confirmed the presence of several functional groups.
  • - Both extracts demonstrated antioxidant and antimicrobial properties, with high inhibition rates on harmful compounds and concentration-dependent hypoglycemic effects in vivo.
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Trypanosomiasis is a protozoan disease transmitted via  This study aimed to examine the metabolic profile and anti-trypanosomal effect of methanol extract of leaves. The liquid chromatography-high resolution electrospray ionisation mass spectrometry (LC-HRESIMS) revealed the identification of fifteen compounds of iridoid, flavonoid, lignan, phenolic acid, and alkaloid classes. The extract displayed a promising inhibitory activity against TC 221 with MIC value of 1.

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Oxidative stress can be a series burden on human health and may lead to many chronic diseases such as diabetes and neurological disorders. The use of natural products to scavenge the reactive oxygen species has attracted the attention of many researchers, to safely manage these conditions with fewer side effects, in available and cost-effective ways. The current study aimed at the isolation and structure elucidation of sweroside from Schenkia spicata (Gentianaceae) and the evaluation of its antioxidant, antidiabetic, neuroprotective, and enzyme inhibitory potential via in vitro and in silico studies.

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The chronic nature of diabetes mellitus motivates the quest for novel agents to improve its management. The scarcity and prior uncontrolled utilization of medicinal plants have encouraged researchers to seek new sources of promising compounds. Recently, endophytes have presented as eco-friendly leading sources for bioactive metabolites.

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Genus is one of the widely distributed and well-known genera of family Umbelliferae. It is utilized mainly by Chinese and Korean populations especially in their folk medicine. comprises a lot of medicinally important phytoconstituents such as coumarins, furanocoumarins, flavonoids, essential oils, verbascosides, polysaccharides, .

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Population-based genomics studies have proven successful in identifying genetic variants associated with diseases. High-quality biospecimens linked with informative health data from diverse segments of the population have made such research possible. However, the success of biobank research depends on the willingness of the public to participate in this type of research.

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Maintaining healthy skin is important for a healthy body. At present, skin diseases are numerous, representing a major health problem affecting all ages from neonates to the elderly worldwide. Many people may develop diseases that affect the skin, including cancer, herpes, and cellulitis.

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Moringa oleifera Lam. (Moringaceae) is an adaptable plant with promising phytoconstituents, interesting medicinal uses, and nutritional importance. Chemical profiling of M.

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Despite the mounting global burden of antimicrobial resistance (AMR), the generation of new classes of effective antimicrobials still lags far behind. The interplay between multidrug resistance and biofilm formation in Acinetobacter baumannii has drastically narrowed the available therapeutic choices. The use of natural compounds holds promise as an alternate option for restoring the activity of existing antibiotics and attenuating virulence traits through reduced biofilm formation.

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GC-MS profiling and metabolomics study of anise and star anise oils obtained by hydrodistillation, -hexane, and microwave-assisted extraction methods were conducted herein. -anethole was the major phenylpropanoid in both oils. Principal component and hierarchical cluster analyses revealed a clear separation of different extraction methods.

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