Owing to inconsistencies in human B cell classification and the difficulty in distinguishing heterogeneous subpopulations, we present a protocol to construct gene regulatory networks and gene activity landscapes for human B cell developmental stages. We describe steps for acquiring bone marrow data; conducting single-cell downstream analysis; and leveraging the St. Jude Algorithm for the Reconstruction of Accurate Cellular Networks (SJARACNe), Network-based Bayesian Inference of Drivers (NetBID2), and single-cell Mutual Information-based Network Engineering Ranger (scMINER) algorithms for network-based analysis. Our protocol elucidates the biological characteristics of developmental stages in human B cells. For complete details on the use and execution of this protocol, please refer to Huang et al..
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http://dx.doi.org/10.1016/j.xpro.2025.103614 | DOI Listing |
Elife
March 2025
Department of Pathology, Third Hospital, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China.
Background: Cervical adenocarcinoma (ADC) is more aggressive compared to other types of cervical cancer (CC), such as squamous cell carcinoma (SCC). The tumor immune microenvironment (TIME) and tumor heterogeneity are recognized as pivotal factors in cancer progression and therapy. However, the disparities in TIME and heterogeneity between ADC and SCC are poorly understood.
View Article and Find Full Text PDFCancer Med
March 2025
Institute of Microcirculation, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.
Background: Tumor metastasis is one of the main causes of death in cancer patients; however, the mechanism controlling metastasis is unclear. The posttranscriptional regulation of metastasis-related genes mediated by AT-rich interactive domain-containing protein 4A (Arid4a), an RNA-binding protein (RBP), has not been elucidated.
Methods: Bioinformatic analysis, qRT-PCR, immunohistochemistry, and immunoblotting were employed to determine the expression of Arid4a in breast tumor tissues and its association with the survival of cancer patients.
Antioxid Redox Signal
March 2025
Université de Lorraine, CNRS, IMoPA, F-54000 Nancy, France.
Peroxiredoxins (Prx) are ubiquitous Cys peroxidases regulated by sulfinylation, a modification that occurs when the sulfenic acid generated on the catalytic Cys by peroxide reduction reacts with a second molecule of peroxide. In the Prx1 family, sulfinylation sensitivity is controlled by competition between a structural transition from a fully folded (FF) to locally unfolded (LU) conformation and the chemical step of sulfinylation. The initial peroxide reduction relies on a conserved catalytic hydroxylated residue that allows peroxide optimal activation.
View Article and Find Full Text PDFBackground: Several particular kinds of typical morphology characteristics of leukemic blasts associated with the specific subtypes of leukemia have been reported. However, B acute lymphoblastic leukemia/lymphoma (B-ALL/LBL) has rarely been reported. The purpose of this study was to investigate the correlation of TCF3::PBX1 fusion with multiple clefts nuclei of blasts in patients with B-ALL/LBL.
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