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Eur J Cell Biol 2022 May 13;101(3):151236. Epub 2022 May 13.

Molecular Mechanisms Program, Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer, Consejo Superior de Investigaciones Científicas (CSIC)-Universidad de Salamanca, 37007 Salamanca, Spain. Electronic address:

tT cells migrate to lymphoid organs to become activated through specific contacts with antigen-presenting cells bearing foreign antigens. During migration and activation, T lymphocytes are exposed not only to diverse biochemical inputs, but also to different mechanical conditions. Passage from the blood or lymph to solid tissues involves lymphocyte rolling, firm arrest and diapedesis through endothelial monolayers. Read More

J Immunother Cancer 2022 May;10(5)

Department of Oncology-Pathology, Karolinska Institute, Stockholm, Sweden

Background: Adenosine is a metabolite that suppresses antitumor immune response of T and NK cells via extracellular binding to the two subtypes of adenosine-2 receptors, AARs. While blockade of the AARs subtype effectively rescues lymphocyte activity, with four AAR antagonists currently in anticancer clinical trials, less is known for the therapeutic potential of the other AAR blockade within cancer immunotherapy. Recent studies suggest the formation of AAR/AAR dimers in tissues that coexpress the two receptor subtypes, where the AAR plays a dominant role, suggesting it as a promising target for cancer immunotherapy. Read More

Cancers (Basel) 2022 Apr 29;14(9). Epub 2022 Apr 29.

Department of Microbiology, Biochemistry, and Immunology, Morehouse School of Medicine, Atlanta, GA 30310, USA.

The molecular mechanisms underlying chemoresistance in some newly diagnosed multiple myeloma (MM) patients receiving standard therapies (lenalidomide, bortezomib, and dexamethasone) are poorly understood. Identifying clinically relevant gene networks associated with death due to MM may uncover novel mechanisms, drug targets, and prognostic biomarkers to improve the treatment of the disease. This study used data from the MMRF CoMMpass RNA-seq dataset (N = 270) for weighted gene co-expression network analysis (WGCNA), which identified 21 modules of co-expressed genes. Read More

Int J Mol Sci 2022 Apr 22;23(9). Epub 2022 Apr 22.

Department of Histology, Jagiellonian University Medical College, 31-034 Kraków, Poland.

In the course of multiple sclerosis (MS) and its animal model, experimental autoimmune encephalomyelitis (EAE), the infiltration of lymphocytes and other inflammatory cells across the blood-brain barrier is associated with interactions between adhesion molecules expressed by infiltrating cells and vascular endothelium. Monoclonal antibodies (mAb) against the α4 subunit of α4-β1 integrin (VLA-4) show beneficial effects in both MS and EAE. (1) Background: The aim of this study was to examine the expression of selected adhesion molecules: VLA-4, VCAM-1, LFA-1, ICAM-1 and PECAM-1 in the successive phases of EAE and the effect of anti-VLA-4 mAb treatment on that expression. Read More

Int J Mol Sci 2022 Apr 20;23(9). Epub 2022 Apr 20.

Human Immunology, Pathophysiology and Immunotherapy, INSERM U 976, University Paris Cite, 75010 Paris, France.

Histones are widely recognized as pro-inflammatory mediators upon their release from the nucleus into the extracellular space. However, their impact on endothelial cell immunogenicity is unknown. Endothelial cells, Human Microvascular Endothelial cells 1 (HMEC1), have been exposed to recombinant histones in order to study their effect on the endothelial phenotype. Read More