Publications by authors named "Darwish R"

In the context of cell cycle inhibition, anti-proliferation, and the dysregulation observed in certain cancer pathologies, the protein p21 assumes a pivotal role. p21 links DNA damage responses to cellular processes such as apoptosis, senescence, and cell cycle arrest, primarily functioning as a regulator of the cell cycle. However, accumulating empirical evidence suggests that p21 is both directly and indirectly linked to a number of different metabolic processes.

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Article Synopsis
  • Microglial activation has been linked to neurodegenerative diseases like Alzheimer's and Parkinson's, but its role in metabolic disorders, particularly insulin resistance and type 2 diabetes, is gaining attention.
  • The text examines the biochemical pathways involved in this connection, including IKKβ/NF-κβ and IRS-1/PI3K/Akt, as well as the impact of non-coding RNAs on insulin resistance.
  • Finally, potential therapeutic strategies, both pharmaceutical and lifestyle-based, are discussed to reduce microglial activation and mitigate its effects on metabolism.
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Different diseases may arise from the dysregulation of non-coding RNAs (ncRNAs), which regulation is necessary for maintaining cellular homeostasis. ncRNAs are regulated by transcriptional, post-transcriptional, translational and post-translational processes. Post-transcriptional regulation of gene expression is carried out by microRNAs (miRNAs), a class of small ncRNA molecules, which can identify their target sites by a brief nucleotide sequence, known as the miRNA response element (MRE), present on the miRNA seed sequence and the target transcript.

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Introduction: Activation-induced cytidine deaminase (AID) deficiency is a rare autosomal recessive inborn error of immunity (IEI) characterized by increased susceptibility to infections, autoimmunity, and/or autoinflammation. AID plays an important role in immunoglobulin class switching and somatic hypermutation. AID deficiency patients have very low or absent levels of IgG, IgA, and IgE, while IgM level is elevated.

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() infections pose significant challenges in clinical settings due to their high morbidity and mortality rates in addition to their role in tumor progression. Current diagnostic methods, while effective, often suffer from limitations that hinder a timely intervention. Therefore, there is an urgent need for a simple, sensitive, specific, and low-cost colorimetric biosensor for the rapid detection of .

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Purpose Of Review: Discussion of inequalities and inequities in global distribution of and access to home dialysis.

Recent Findings: The majority of patients receiving home dialysis receive peritoneal dialysis, but these are concentrated in few countries across the globe. Peritoneal dialysis as the most common form of home dialysis has many advantages in terms of individual freedoms, similar outcomes to haemodialysis, being less costly in some countries, and more scalable than in-centre haemodialysis.

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  • A study was conducted to evaluate the effects of injecting autologous bone marrow aspirate concentrate (BMAC) during arthroscopic partial meniscectomy (APM) in patients with meniscal tears and mild knee osteoarthritis (OA), as there had been little prior research on this combined treatment.
  • Patients were randomly assigned to receive either the BMAC injection or no injection during surgery, with the main goal of comparing knee function and radiographic results one year post-operation.
  • The findings showed no significant differences in patient-reported outcomes or radiographic results between the two groups after the surgery, suggesting that adding BMAC may not offer additional benefits in this context.
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Continuing professional development (CPD) is a process by which healthcare professionals, including pharmacists, can be engaged in life-long learning and development. In 2018, the Jordanian government issued Regulation No. 46, which addresses the CPD and relicensing cycle requirements.

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Background And Aim: Antibiotic-resistant poses a serious health threat. This study aimed to investigate the antibacterial activity of peptide KW-23 against drug-resistant and its potential for enhancing the efficacy of conventional antibiotics.

Materials And Methods: KW-23 was synthesized from nine amino acids, specifically three tryptophans and three lysines.

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  • Recent studies show that errors in the CARD11-BCL10-MALT1 (CBM) signalosome can cause severe immunodeficiencies, presenting with various symptoms including frequent infections and skin issues.
  • A case study of an Egyptian patient with a mutation in the MALT1 gene revealed severe skin rashes, diarrhea, pneumonia, and abnormal immune markers, indicating a diagnosis of immunodeficiency-12 (IMD12).
  • The research emphasizes the importance of molecular diagnosis to differentiate between similar immunodeficiencies, as better understanding can facilitate early treatment options like stem cell transplantation, improving patient outcomes.
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Background: Onion waste was reported to be a valuable source of bioactive constituents with potential health-promoting benefits. This sparked a surge of interest among scientists for its valorization. This study aims to investigate the chemical profiles of peel and root extracts of four onion cultivars (red, copper-yellow, golden yellow and white onions) and evaluate their erectogenic and anti-inflammatory potentials.

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Background: Being the professional membership body for pharmacists in Jordan, the Jordan Pharmacists Association (JPA) took the initiative to establish a training centre for practising pharmacists. This study aims to identify the self-assessed training priorities of community pharmacists in Jordan.

Methods: In the period between August and October 2022, an online self-administered questionnaire was distributed using a variety of participants' identification and recruitment approaches.

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Introduction: Studies from developed and developing countries showed that the knowledge levels of stroke need improvement. Educational campaigns varied and were of limited influence predominantly because of their short duration and the need for financial support. The study aims to test the impact of a 3-min online video on the knowledge of stroke and factors influencing the knowledge score in four Arab countries.

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The maturation of forebrain dopamine circuitry occurs over multiple developmental periods, extending from early postnatal life until adulthood, with the precise timing of maturation defined by the target region. We recently demonstrated in the adult mouse brain that axon terminals arising from midbrain dopamine neurons innervate the anterior corpus callosum and that oligodendrocyte lineage cells in this white matter tract express dopamine receptor transcripts. Whether corpus callosal dopamine circuitry undergoes maturational changes between early adolescence and adulthood is unknown but may be relevant to understanding the dramatic micro- and macro-anatomical changes that occur in the corpus callosum of multiple species during early adolescence, including in the degree of myelination.

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Academic Entitlement (AE) is the expectation by students to receive high grades or preferential treatment without significant effort. Exploring AE from faculty perspective has not been investigated in Arab colleges of pharmacy. The aim of this study was to explore experiences and perceptions towards student AE among pharmacy faculty in the Arab World.

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Aims: To evaluate the effect of silver nanoparticles alone and in combination with Triclosan, and trans-cinnamaldehyde against Staphylococcus aureus and Escherichia coli biofilms on sutures to improve patients' outcomes.

Methods And Results: Silver nanoparticles were prepared by chemical method and characterized by UV-visible spectrophotometer and dynamic light scattering. The minimum inhibitory concentration was assessed by the Microdilution assay.

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Objective: This study investigates the efficacy of using a long-acting insulin analog, along with the infusion of regular insulin, in achieving appropriate glycemic control and correcting lactic acidosis in patients post orthotopic heart transplant who demonstrate severe lactic acidosis and insulin resistance.

Methods: This was a retrospective study of two cohorts (IRB FLA 20-003) of patients post orthotopic heart transplant with severe lactic acidosis and insulin resistance who were admitted to a tertiary intensive care unit and treated with (group 1) or without long-acting insulin analog (group 2) within the first 24 h of admission to the intensive care unit. Insulin resistance is defined as the requirement for intravenous regular insulin infusion of more than 20 units/h without the ability to achieve appropriate serum glucose level (120-180 mg /dL).

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Background: Acute Coronary Syndrome (ACS) stands as a significant contributor to cardiovascular mortality, necessitating improved diagnostic tools for early detection and tailored therapeutic interventions. Current diagnostic modalities, exhibit limitations in sensitivity and specificity, urging the quest for novel biomarkers to enhance discrimination of the different stages of ACS including unstable angina, Non-ST-segment Elevation Myocardial Infarction (NSTEMI), and ST-segment Elevation Myocardial Infarction (STEMI).

Methods: This study investigated the potential of a plasma-circulating multi-noncoding RNA (ncRNA) panel, comprising four miRNAs (miR-182-5p, miR-23a-3p, miR-146a-5p, and miR-183-5p) and three lncRNAs (SNHG15, SNHG5, and RMRP), selected based on their intricate involvement in ACS pathogenesis and signaling pathways regulating post-myocardial infarction (MI) processes.

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Ethnopharmacological Relevance: Onion (Allium cepa L.) is one of the most widely distributed species within the Allium genus of family Amaryllidaceae. Onion has been esteemed for its medicinal properties since antiquity.

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Objective: The study's aim was to explore academic entitlement among pharmacy students in different pharmacy colleges in the Arab World and assess associated factors.

Methods: This study design was a cross-sectional survey. Data were collected using a self-administered electronic questionnaire posted across pharmacy college networks in 10 Arab countries (Egypt, Iraq, Jordan, Lebanon, Libya, Oman, Palestine, Qatar, Saudi Arabia, and United Arab Emirates).

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Introduction: Vaccines stand amongst the most effective medical interventions for the management of infectious diseases, and are pivotal tools for public health. The acceptance of vaccines is heavily influenced by perceptions of efficacy, safety and other modifiable factors.

Purpose: This cross-sectional study sought to identify and examine the modifiable factors that can help address COVID-19 vaccine hesitancy and acceptance among cancer patients.

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Objectives: To investigate the chemical composition of the alcoholic extract from creeping juniper leaves using HPLC-MS/MS and to elucidate its potential anti-inflammatory mechanism through network-based pharmacology analysis to collectively enable a systematic exploration of the chemical composition, mechanism of action, and therapeutic potential of the alcoholic extract from creeping juniper leaves, providing valuable insights into its suitability as an anti-inflammatory agent.

Methods: Chemical profiling of the alcoholic extract of creeping juniper leaves using HPLC-MS/MS and revealing its anti-inflammatory mechanism using network-based pharmacology. Further, isolation of some of the identified biomarkers, assessment of their ex-vivo anti-inflammatory activity, and determination of their binding to pro-inflammatory cytokines using molecular docking and dynamics.

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Background: Roasting, honey-roasting and fermentation are the most common pre-processing procedures of licorice roots. They were shown to noticeably change the composition of extracts. In this work, the common alterations in licorice secondary metabolites by processing were interpreted.

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Cernunnos deficiency is a rare genetic disorder characterized by immunodeficiency, microcephaly, growth retardation, bird-like facies, sensitivity to ionizing radiation, few autoimmune manifestations, premature aging of hematopoietic stem cells at an early age, and occasional myeloproliferative disease. Herein we present five Egyptian Cernunnos patients from 3 different families. We describe the patients' clinical phenotypes, their immunological profile as well as genetic results.

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