One hundred patients in whom an Erythrocyte Sedimentation Rate (ESR) in excess of 100 mm. in the first hour was found on 2 consecutive occasions were investigated. Serum protein electrophoresis was performed on 96 of these patients and bone marrow examination on 55 patients. Acute infection was the commonest diagnosis though the majority of patients had 2 or more separate conditions each contributing to the elevation of the ESR. Quantitive serum protein electrophoresis was abnormal in all but one patient and was of limited diagnostic value. A definite band in the globulin region was detected in 11 patients, 7 of whom were found to have myelomatosis. Bone marrow examination was useful only in patients with a discrete band in the globulin fraction or with a specific haematological abnormality. It is suggested, therefore, that bone marrow examination be confined to patients with such abnormalities irrespective of an elevation of their ESR.
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http://dx.doi.org/10.1177/003693307802300206 | DOI Listing |
Anal Chem
January 2025
Key Laboratory of OptoElectronic Science and Technology for Medicine of Ministry of Education, Fujian Provincial Key Laboratory of Photonics Technology, Fujian Normal University, Fuzhou, Fujian 350117, China.
Multiple myeloma is a hematologic malignancy characterized by the proliferation of abnormal plasma cells in the bone marrow. Despite therapeutic advancements, there remains a critical need for reliable, noninvasive methods to monitor multiple myeloma. Circulating plasma cells (CPCs) in peripheral blood are robust and independent prognostic markers, but their detection is challenging due to their low abundance.
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January 2025
Division of Immunology and Allergy, Children's Hospital of Philadelphia; Department of Pediatrics, Perelman School of Medicine; Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States.
Leukopoiesis is lethally arrested in mice lacking the master transcriptional regulator PU.1. Depending on the animal model, subtotal PU.
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January 2025
Irving Institute for Cancer Dynamics, Columbia University, New York, NY 10027, USA.
Understanding how intratumoral immune populations coordinate antitumor responses after therapy can guide treatment prioritization. We systematically analyzed an established immunotherapy, donor lymphocyte infusion (DLI), by assessing 348,905 single-cell transcriptomes from 74 longitudinal bone marrow samples of 25 patients with relapsed leukemia; a subset was evaluated by both protein- and transcriptome-based spatial analysis. In acute myeloid leukemia (AML) DLI responders, we identified clonally expanded CD8 cytotoxic T lymphocytes with in vitro specificity for patient-matched AML.
View Article and Find Full Text PDFPLoS One
January 2025
Department of Surgical Pathology, Kyoto Prefectural University of Medicine, Kyoto, Japan.
Immunologic bile duct destruction is a pathogenic condition associated with vanishing bile duct syndrome (VBDS) after liver transplantation and hematopoietic stem-cell transplantation. As the bile acid receptor sphingosine 1-phosphate receptor 2 (S1PR2) plays a critical role in recruitment of bone marrow-derived monocytes/macrophages to sites of cholestatic liver injury, S1PR2 expression was examined using cultured macrophages and patient tissues. Bile canaliculi destruction precedes intrahepatic ductopenia; therefore, we focused on hepatocyte S1PR2 and the downstream RhoA/Rho kinase 1 (ROCK1) signaling pathway and bile canaliculi alterations using three-dimensional hepatocyte culture models that form obvious bile canaliculus-like networks.
View Article and Find Full Text PDFPLoS One
January 2025
School of Clinical Medicine, Guizhou Medical University, Guiyang, China.
Legg-Calvé-Perthes disease (LCPD) involves femoral head osteonecrosis caused by disrupted blood supply, leading to joint deformity and early osteoarthritis. This study investigates the role of miRNA-223-5p in regulating hypoxia-induced apoptosis and enhancing osteogenesis in bone marrow mesenchymal stem cells (BMSCs). Utilizing a juvenile New Zealand white rabbit model of LCPD established through femoral neck ligation, we transfected BMSCs with miR-223-5p mimics, inhibitors, and controls, followed by hypoxic exposure.
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