Interleukin-10 and Small Molecule SHIP1 Allosteric Regulators Trigger Anti-Inflammatory Effects Through SHIP1/STAT3 Complexes

Scientists report that IL10, but not IL6 signaling, induced formation of a complex between STAT3 and the inositol polyphosphate-5-phosphatase SHIP1 in macrophages.
[iScience]
Chamberlain, T. C., Cheung, S. T., Yoon, J. S. J., Ming-Lum, A., Gardill, B. R., Shakibakho, S., Dzananovic, E., Ban, F., Samiea, A., Jawanda, K., Priatel, J., Krystal, G., Ong, C. J., Cherkasov, A., Andersen, R. J., McKenna, S. A., Petegem, F. V., & Mui, A. L.-F. (2020). Interleukin-10 and Small Molecule SHIP1 Allosteric Regulators Trigger Anti-Inflammatory Effects Through SHIP1/STAT3 Complexes. IScience, 0(0). https://doi.org/10.1016/j.isci.2020.101433 Cite
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Correlative Study of Epigenetic Regulation of Tumor Microenvironment in Spindle Cell Melanomas and Cutaneous Malignant Peripheral Nerve Sheath Tumors

Scientists investigated the epigenetic regulation of promoters and gene bodies and their effect on the tumor microenvironment composition of cutaneous malignant peripheral nerve sheath tumors and spindle cell melanomas.
[Scientific Reports]
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Clonal Hematopoiesis and Non-Hematologic Disorders

Researchers review recent studies linking clonal hematopoiesis to altered immune function, inflammation, and non-malignant diseases of aging.
[Blood]
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Inflammatory Signals Induce AT2 Cell-Derived Damage-Associated Transient Progenitors that Mediate Alveolar Regeneration

The authors leveraged single-cell RNA sequencing in combination with in vivo lineage tracing and organoid models to finely map the trajectories of alveolar-lineage cells during injury repair and lung regeneration.
[Cell Stem Cell]
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Isolation of Murine Bone Marrow by Centrifugation or Flushing for the Analysis of Hematopoietic Cells – A Comparative Study

Researchers adapted a centrifugation-based method for the isolation of murine bone marrow and compared it to the traditional flushing method. Analysis of primary hematopoietic stem cells, immune cells, and megakaryocytes revealed a comparable distribution of cellular (sub)populations.
[Platelets]
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Specific Targeting of Ovarian Tumor-Associated Macrophages by Large, Anionic Nanoparticles

Researchers showed that relatively large anionic nanoparticles administered intraperitoneally selectively accumulated in tumor-associated macrophages.
[Proceedings of the National Academy of Sciences of the United States of America]
Haber, T., Cornejo, Y. R., Aramburo, S., Flores, L., Cao, P., Liu, A., Mooney, R., Gilchrist, M., Tirughana, R., Nwokafor, U., Abidi, W., Han, E., Dellinger, T., Wakabayashi, M. T., Aboody, K. S., & Berlin, J. M. (2020). Specific targeting of ovarian tumor-associated macrophages by large, anionic nanoparticles. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.1917424117 Cite
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Targeting QKI-7 In Vivo Restores Endothelial Cell Function in Diabete

QKI-7 is highly expressed in human coronary arterial endothelial cells from diabetic donors, and on blood vessels from diabetic critical limb ischemia patients undergoing a lower-limb amputation.
[Nature Communications]
Yang, C., Eleftheriadou, M., Kelaini, S., Morrison, T., González, M. V., Caines, R., Edwards, N., Yacoub, A., Edgar, K., Moez, A., Ivetic, A., Zampetaki, A., Zeng, L., Wilkinson, F. L., Lois, N., Stitt, A. W., Grieve, D. J., & Margariti, A. (2020). Targeting QKI-7 in vivo restores endothelial cell function in diabetes. Nature Communications, 11(1), 3812. https://doi.org/10.1038/s41467-020-17468-y Cite
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Alteration of Immunophenotype of Human Macrophages and Monocytes after Exposure to Cigarette Smoke

Using human monocyte-derived macrophages (MDMs) from healthy donors, researchers found that cigarette smoke exposure was not associated with significant changes in the production of pro inflammatory cytokines by MDMs.
[Scientific Reports]
da Silva, C. O., Gicquel, T., Daniel, Y., Bártholo, T., Vène, E., Loyer, P., Pôrto, L. C., Lagente, V., & Victoni, T. (2020). Alteration of immunophenotype of human macrophages and monocytes after exposure to cigarette smoke. Scientific Reports, 10(1), 12796. https://doi.org/10.1038/s41598-020-68753-1 Cite
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Histone Deacetylase 3 Controls Lung Alveolar Macrophage Development and Homeostasis

Researchers showed that histone deacetylase 3 was a key epigenetic factor required for avelolar macrophage embryonic development, postnatal homeostasis, maturation, and regeneration from bone marrow.
[Nature Communications]
Yao, Y., Liu, Q., Adrianto, I., Wu, X., Glassbrook, J., Khalasawi, N., Yin, C., Yi, Q., Dong, Z., Geissmann, F., Zhou, L., & Mi, Q.-S. (2020). Histone deacetylase 3 controls lung alveolar macrophage development and homeostasis. Nature Communications, 11(1), 3822. https://doi.org/10.1038/s41467-020-17630-6 Cite
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Increased CXCL4 Expression in Hematopoietic Cells Links Inflammation and Progression of Bone Marrow Fibrosis in MPN

The authors demonstrated that the absence of hematopoietic CXCL4 ameliorates the myeloproliferative neoplasm phenotype, reduces stromal cell activation and bone marrow fibrosis and decreases the activation of pro-fibrotic pathways in megakaryocytes, inflammation in fibrosis-driving cells and JAK/STAT activation in both megakaryocytes and stromal cells in three murine primary myelofibrosis models.
[Blood]
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Combination Product of Dermal Matrix, Human Mesenchymal Stem Cells, and Timolol Promotes Diabetic Wound Healing in Mice

Scientists investigated whether a bioengineered scaffold device containing hypoxia‐preconditioned, allogeneic human mesenchymal stem cells combined with the beta‐adrenergic antagonist timolol could improve impaired wound healing in diabetic mice.
[Stem Cells Translational Medicine]
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