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1.
Clin Lab ; 69(12)2023 Dec 01.
Article in English | MEDLINE | ID: mdl-38084686

ABSTRACT

BACKGROUND: COVID-19 is no longer a global public health emergency, but it still affects numerous diseases and needs further research. Diabetic COVID-19 patients with major complications or intensive care had high mortality rates. This review provides pathophysiological descriptive data on diabetes mellitus type 2 and shows how COVID-19 infection in Saudi Arabia predicts disease severity and prognosis. METHODS: This review was conducted through online research on MEDLINE/PubMed databases, Scopus, and Web of Science based on links between COVID-19 and diabetes mellitus type 2 patients. By using the keywords 'COVID-19', 'diabetes', ' correlation', and impact on 'population' from December 2022 to February 2023. The full texts of the articles that were retrieved were accessed. RESULTS: The COVID-19 epidemic has affected the community, especially diabetics, and their daily life. According to our research on prior studies, most COVID-19 patients in Saudi Arabia had diabetes as a comorbidity. CONCLUSIONS: We underline the necessity of thorough study to better understand COVID-19 and its association with diabetes to design and implement evidence-based initiatives and policies in Saudi Arabia, where diabetes is a major health issue.


Subject(s)
COVID-19 , Diabetes Mellitus, Type 2 , Humans , Diabetes Mellitus, Type 2/complications , Diabetes Mellitus, Type 2/epidemiology , COVID-19/epidemiology , Comorbidity , Prognosis , Saudi Arabia/epidemiology
2.
J Clin Med ; 12(13)2023 Jun 22.
Article in English | MEDLINE | ID: mdl-37445249

ABSTRACT

Human-adipose-tissue-derived mesenchymal stromal cells (AD-MSCs) are currently being tested as autologous-cell-based therapies for use in tissue healing and regeneration. Recent studies have also demonstrated that AD-MSC-derived exosomes contribute to tissue repair and peripheral nerve regeneration. Subcutaneous abdominal adipose tissue (AAT) is divided into two layers: the superficial layer (sAAT) and the deep layer (dAAT). However, it is unclear whether there are particular characteristics of each layer in terms of AD-MSC regenerative potential. Using AD-MSCs purified and characterized from three abdominoplasties, we compared their secretomes and exosome functions to identify which layer may be most suitable as a source for cell therapy. Phenotypical analysis of the AD-MSCs containing stromal vascular fraction did not reveal any difference between the two layers. The AD-MSC secretomes showed a very similar pattern of cytokine content and both layers were able to release exosomes with identical characteristics. However, compared to the secretome, the released exosomes showed better biological properties. Interestingly, dAAT exosomes appeared to be more effective on neuromodulation, whereas neither sAAT nor dAAT-derived exosomes had significant effects on endothelial function. It thus appears that AD-MSC-derived exosomes from the two abdominal adipose tissue layers possess different features for cell therapy.

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