Publications by authors named "Abdelhameed M"

Objectives: Vitamin B12 (Cobalamin or Cbl) plays a crucial role in normal human growth and development, as well as in neurological, cardiovascular, and immune systems. Previous studies reported association of high levels of cobalamin with solid cancers, hematological disorders, and liver diseases. Reporting the frequency of comorbid diseases with high serum Vitamin B12 level in patients attending KSAMC at Madinah.

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Alzheimer's disease (AD) poses a global health challenge, demanding innovative approaches for effective treatments. Clerodendrum infortunatum Linn. (Lamiaceae) is a shrub traditionally used as a medicinal plant to treat inflammation, skin diseases, and bronchitis.

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The rising incidence of vulvovaginal candidiasis (VVC) has been leading to the development of alternative antifungal therapies. This study aimed to develop a topical chitosan-oleic acid nanoparticle (CH-OA-NP) cream loaded with lemon peel essential oil (LPEO) for VVC treatment. The characterization of the optimal nanoparticle formulation (F4: 10 g/L CH, 2:1 OA/LPEO ratio) showed high encapsulation efficiency, stability, and controlled release.

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Article Synopsis
  • * Conducted as a double-blind, randomized controlled trial with 86 TKA patients, results showed that the DXM group experienced significantly less pain and fewer vomiting episodes compared to the placebo group, alongside improved mobility and muscle strength.
  • * The findings concluded that a single preoperative dose of dexamethasone is safe and effective for managing pain post-TKA, with no reported wound complications during the follow-up period. *
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Berberine (BBN) is a naturally occurring alkaloid as a secondary metabolite in many plants and exhibits several benefits including neuroprotective activities. However, data on the neuromodulating potential of nanoformulated BBN are still lacking. In the present study, BBN loaded within iron oxide nanoparticles (BBN-IONP) were prepared and characterized by transmission electron microscopy FTIR, X-ray photoelectron spectroscopy particle-size distribution, zeta potential, and HPLC.

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Objectives: This study investigated the neuroprotective effect of ferulic acid (FA) against bisphenol A (BPA) induced Alzheimer's disease-like pathology in male rats.

Methods: Rats were allocated into four groups, control, BPA, BPA + FA, and FA, respectively, for 40 days. Spatial working memory and recognition memory were evaluated.

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  • Psoriasis affects 2-3% of the global population and is treated with immunosuppressive drugs that can have serious side effects; Esculetin (Esc) is a natural alternative for treatment.
  • The study aims to enhance the solubility of Esc by creating nanostructured lipid carriers (NLCs), which improve skin absorption and prolong the drug's presence on the skin.
  • Results showed that Esc NLCs exhibited excellent entrapment efficiency and particle sizes that support effective skin delivery, leading to significant reductions in skin inflammation markers and highlighting their potential as a treatment for psoriasis.
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Purpose: The aim of this study is to report the prevalence of femoral bowing in the Egyptian arthritic knees as a representative of the middle eastern population and to study the correlation between the femoral bowing and the degree of arthritis, varus deformity and the distal femoral valgus cut angle (VCA).

Methods: This is a single-center observational cross-sectional study. Out of 562 knees Scheduled for TKA, 124 knees were excluded leaving 438 knees eligible for the study.

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This study aimed to investigate the protective effects of Rosemary ethanol extract (ROEE) on testicular damage induced by potassium Dichromate (PDC) in male rats regarding the signaling pathway of Nrf2 and its target genes and proteins. A total of 28 male rats were divided into four groups: control, PDC only (15 mg/kg b.w.

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Background: Sickle Cell Disease (SCD) is not a hematologic disease that occurs in isolation; it results in multi-organ complications. There is growing evidence of vascular stiffness as its underlying cause. This study aimed to investigate the relationship between endothelial stiffness and LV dysfunction in SCD patients and to explore its pathophysiology, particularly regarding the depletion of vasodilators such as Nitric Oxide (NO).

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Lateral abdominal wall hematoma is a rare clinical entity but a great mimicker of other diseases' clinical presentations. In this case report, we present a 42-year-old male patient with a constellation of signs and symptoms that were mistaken for aortic dissection before the lateral abdominal wall hematoma diagnosis was confirmed with computed tomography (CT) imaging. Uncontrolled hypertension and persistent cough were most likely predisposing factors; the patient was managed conservatively and discharged in a stable condition.

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Malignant melanoma is the most invasive skin cancer with the highest risk of death. The inhibition of BRAF appears relevant for overcoming secondary resistance developed during melanoma treatment. BRAF triggers angiogenesis modification of the expression of angiogenic inducers, which play a crucial role in the metastasis of melanoma.

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The characteristic chemical composition of seeds is directly linked to their beneficial properties. This study aimed to investigate the phytochemical composition of seeds using a 100% ethanolic extract using HPLC-ESI-MS/MS. Additionally, it explored the potential biological effects of the extract on female rat reproduction.

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Erigeron bonariensis is widely distributed throughout the world's tropics and subtropics. In folk medicine, E. bonariensis has historically been used to treat head and brain diseases.

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Acute Lung Injury (ALI) is a life-threatening syndrome that has been identified as a potential complication of COVID-19. There is a critical need to shed light on the underlying mechanistic pathways and explore novel therapeutic strategies. This study aimed to examine the potential therapeutic effects of essential oil (CCEO) in treating potassium dichromate (PDC)-induced ALI.

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Article Synopsis
  • The study evaluated the outcomes of using low-cost hook plates made from titanium mini plates for fixing mallet fractures, aiming to prevent complications like extension lag and arthritis.
  • In a case series of 17 patients, mainly males with an average age of 32.3, surgeries were performed with an average duration of about 37.65 minutes, and follow-up lasted around 11 months.
  • Results showed varying degrees of success, with 35.3% of patients rated as excellent, while 35.29% experienced complications, indicating the technique provides stable fixation and allows early movement but has some risks.
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In the realm of applied phycology, algal physiology, and biochemistry publications, the absence of proper identification and documentation of microalgae is a common concern. This poses a significant challenge for non-specialists who struggle to identify numerous eukaryotic microalgae. However, a promising solution lies in employing an appropriate DNA barcoding technique and establishing comprehensive databases of reference sequences.

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Microalgae have garnered scientific interest for their potential to produce bioactive compounds. However, the large-scale industrial utilization of microalgae faces challenges related to production costs and achieving optimal growth conditions. Thus, this study aimed to investigate the potential role of exogenous indole-3-acetic acid (IAA) application in improving the growth and production of bioactive metabolites in microalgae.

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Plants belonging to the genus have been extensively utilized ethnopharmacologically to treat a variety of diseases, including kidney disorders. Chromium is a common industrial pollutant that has been linked to kidney disease. The present work was designed for the investigation of the UPLC-QTOF-MS/MS metabolite profile of the ethanolic extract (LME), along with assessing the mechanistic protective actions of LME and its nano-silver formulation (LMNS) against KCrO-induced nephrotoxicity in rats.

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The potential of microalgae to produce valuable compounds has garnered considerable attention. However, there are various challenges that hinder their large-scale industrial utilization, such as high production costs and the complexities associated with achieving optimal growth conditions. Therefore, we investigated the effects of glycine at different concentrations on the growth and bioactive compounds production of sp.

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Background: The aim of this magnetic resonance imaging (MRI) study was to investigate controversial sexual dimorphism of the posterior condylar offset of the femur (the offset) and the posterior slope of the tibia (the slope) in non-arthritic knees of Egyptian adults.

Methods: On 100 male and 100 female MRIs of non-arthritic knees, linear measurements of the distal part of the femur (the offset) and the angular measurements of the proximal part of the tibia (the slope) were performed and compared regarding sex and ethnicity. The intraclass correlation coefficient (ICC) was used to test the interrater agreement.

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Macroalgae are significant biological resources in coastal marine ecosystems. Seasonality influences macroalgae biochemical characteristics, which consequentially affect their ecological and economic values. Here, macroalgae were surveyed from summer 2017 to spring 2018 at three sites at 7 km (south) from El Qusier, 52 km (north) from Marsa Alam and 70 km (south) from Safaga along the Red Sea coast, Egypt.

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Purpose: To predict the most important preoperative factor affecting the patient satisfaction after total knee arthroplasty (TKA) in trial to improve patient counselling process.

Methods: We retrospectively reviewed all patients who underwent primary TKA from January 1, 2018, to January 31, 2019, with minimum one-year follow-up for the previously collected patient-reported outcome measures (PROMs) as Oxford Knee Score (OKS) and Knee Injury and Osteoarthritis Outcome Score for joint replacement (KOOS, JR) preoperative, 6 months and 12 months postoperative.

Results: By using Oxford knee score at 12 months as dependent variable, we found a negative moderate spearman correlation between age and Oxford knee score at 12 months postoperative.

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Camel milk (CM) has potent antibacterial and antifungal effects and camel milk exosomes (CM-EXO) have been shown to inhibit the proliferation of a large variety of cancer cells including HepaRG, MCF7, Hl60, and PANC1. However, little is known regarding the effects of CM-EXO on bacteria, fungi, HepG2, CaCo2, and Vero cells. Therefore, this study aimed to evaluate the antibacterial, antifungal, and anticancer effects of CM-EXO.

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