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Mesenchymal Stem Cells and Reticulated Platelets: New Horizons in Multiple Myeloma.

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November 2024

Grupo Inmunobiología y Biología Celular, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá 110111, Colombia.

Multiple myeloma (MM) is a malignant plasma cell disorder characterized by the accumulation of abnormal plasma cells in the bone marrow. Mesenchymal stem cells (MSCs) and reticulated platelets (RPs) have been implicated in the pathogenesis of MM. This narrative review aims to explore the role of MSCs and RPs in the pathophysiology of MM, particularly their clinical use as possible variables of prognostic value in this hematologic neoplasia.

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Increased platelet activity is a risk factor of thrombotic events in cardiovascular patients. We studied the relationship between platelet function, platelet size, and the content of reticulated platelets (RP) in patients with coronary heart disease (CHD, n = 55) and acute coronary syndrome (ACS, n = 95) receiving acetylsalicylic acid + clopidogrel or ticagrelor, respectively. The control group consisted of patients with risk factors for CHD, but with no CHD/ACS and free of antiplatelet drugs (n = 66).

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Patients with Waldenström macroglobulinemia have impaired platelet and coagulation function.

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Division of Genome Science and Cancer, John Curtin School of Medical Research, The Australian National University, Canberra, ACT, Australia.

Article Synopsis
  • Patients with Waldenström macroglobulinemia (WM) experience symptoms like cytopenias, fatigue, and bleeding, often exacerbated by therapeutics like Bruton's tyrosine kinase inhibitors (BTKis).
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Article Synopsis
  • Immature Platelet Fraction (IPF) measures the number of reticulated platelets in blood and may serve as a valuable biomarker in diagnosing and assessing patients with Acute Coronary Syndrome (ACS).
  • A systematic review of 15 studies including 2,030 ACS patients showed significant differences in IPF levels compared to healthy individuals and stable angina patients, indicating its potential diagnostic utility.
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Author's reply: "Reticulated platelets in cirrhosis - just a surrogate for thrombocytopenia?".

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Department of Medicine, University of Padova, Padova, Italy; First Chair of Internal Medicine and Thrombotic and Haemorrhagic Disease Unit, Padova University Hospital, Padova, Italy.

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