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  1. The Effects of selenium supplementation on lipid profile in adults: A Systematic Review and Meta-analysis of Randomized Controlled Trials
    Saadh MJ, Khaleel AQ, Merza MS, Hassan H, Tomar BS, Singh M, et al.
    Prostaglandins Other Lipid Mediat, 2024 Sep 09.
    PMID: 39260819 DOI: 10.1016/j.prostaglandins.2024.106901
    INTRODUCTION: Dyslipidemia with a considerable progression rate is a primary risk factor for CVDs if left untreated. Dietary interventions have explored the health influences of selenium on lipid profiles in adults, yet the findings remain contentious. This study seeks to determine if selenium supplementation can positively modify the lipid profile (total cholesterol (TC), triglyceride (TG), low-density lipoprotein cholesterol (LDL-C), very-low-density lipoprotein cholesterol (VLDL), and high-density lipoprotein cholesterol (HDL-C) in adults.

    METHODS: Using predefined keywords, we searched online databases, including Scopus, PubMed, Web of Science Core Collection, and Google Scholar, for relevant studies published from inception through July 2024. A random-effects meta-analysis was then employed to pool the weighted mean differences (WMD) and 95% CI for outcomes assessed by a minimum of three studies.

    RESULTS: Initially 1,205 studies were obtained out of which 25 RCTs were decided to be included for further analyses. Selenium supplementation reduced VLDL (WMD: -1.53; 95% CI: -2.86, -0.20), but did not change TG (WMD: 1.12; 95% CI: -4.51, 6.74), TC (WMD: -2.25; 95% CI: -6.80, 2.29), LDL-C (WMD: 1.60; 95% CI: -4.26, 7.46), and HDL-C levels (WMD: 0.98; 95% CI: - 0.02, 1.98).

    CONCLUSION: Our study showed significantly reduced VLDL but limited effects were observed in other lipid indexes. More extensive RCTs are required globally to achieve a holistic comprehension of the connection between selenium and lipid profile.

  2. Dual role of mesenchymal stem/stromal cells and their cell-free extracellular vesicles in colorectal cancer
    Saadh MJ, Mohamed AH, Almoyad MAA, Allela OQB, Amin AH, Malquisto AA, et al.
    Cell Biochem Funct, 2024 Mar;42(2):e3962.
    PMID: 38491792 DOI: 10.1002/cbf.3962
    Colorectal cancer (CRC) is one of the main causes of cancer-related deaths. However, the surgical control of the CRC progression is difficult, and in most cases, the metastasis leads to cancer-related mortality. Mesenchymal stem/stromal cells (MSCs) with potential translational applications in regenerative medicine have been widely researched for several years. MSCs could affect tumor development through secreting exosomes. The beneficial properties of stem cells are attributed to their cell-cell interactions as well as the secretion of paracrine factors in the tissue microenvironment. For several years, exosomes have been used as a cell-free therapy to regulate the fate of tumor cells in a tumor microenvironment. This review discusses the recent advances and current understanding of assessing MSC-derived exosomes for possible cell-free therapy in CRC.
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