Blocking Siglec-10hi Tumor-Associated Macrophages Improves Anti-Tumor Immunity and Enhances Immunotherapy for Hepatocellular Carcinoma

Immunohistochemistry and flow cytometry were performed to detect the characteristics of sialic acid-binding immunoglobulin-like lectin 10high (Siglec-10hi) tumor-associated macrophages and explore their impact on the tumor microenvironment of hepatocellular carcinoma.
[Experimental Hematology & Oncology]
Xiao, N., Zhu, X., Li, K., Chen, Y., Liu, X., Xu, B., Lei, M., Xu, J., & Sun, H.-C. (2021). Blocking siglec-10hi tumor-associated macrophages improves anti-tumor immunity and enhances immunotherapy for hepatocellular carcinoma. Experimental Hematology & Oncology, 10(1), 36. https://doi.org/10.1186/s40164-021-00230-5 Cite
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Imaging CAR T-Cell Kinetics in Solid Tumors: Translational Implications

Scientists conducted dual tumor and T-cell imaging by use of a bioluminescent reporter and positron emission tomography in clinically relevant mouse models of pleural mesothelioma and non-small cell lung cancer.
[Molecular Therapy-Oncolytics]
Skovgard, M. S., Hocine, H. R., Saini, J. K., Moroz, M., Bellis, R. Y., Banerjee, S., Morello, A., Ponomarev, V., Villena-Vargas, J., & Adusumilli, P. S. (2021). Imaging CAR T-Cell Kinetics in Solid Tumors: Translational Implications. Molecular Therapy - Oncolytics, 0(0). https://doi.org/10.1016/j.omto.2021.06.006 Cite
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Immune Modulation via Adipose Derived Mesenchymal Stem Cells Is Driven by Donor Sex In Vitro

The authors examined the potency and functionality of both female and male adipose derived mesenchymal stem cells in order to gain further insights into donor selection.
[Scientific Reports]
Mckinnirey, F., Herbert, B., Vesey, G., & McCracken, S. (2021). Immune modulation via adipose derived Mesenchymal Stem cells is driven by donor sex in vitro. Scientific Reports, 11(1), 12454. https://doi.org/10.1038/s41598-021-91870-4 Cite
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Induced Pluripotent Stem Cells (iPSCs) Provide a Potentially Unlimited T Cell Source for CAR-T Cell Development and Off-the-Shelf Products

Scientists discuss the progress made in induced pluripotent stem cells (iPSC)-derived T cells and provides a roadmap for the development of CAR iPSC-derived T cells and off-the-shelf T-iPSCs.
[Pharmaceutical Research]
Sadeqi Nezhad, M., Abdollahpour-Alitappeh, M., Rezaei, B., Yazdanifar, M., & Seifalian, A. M. (2021). Induced Pluripotent Stem Cells (iPSCs) Provide a Potentially Unlimited T Cell Source for CAR-T Cell Development and Off-the-Shelf Products. Pharmaceutical Research. https://doi.org/10.1007/s11095-021-03067-z Cite
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Therapeutic Effect of IL1β Priming Tonsil Derived-Mesenchymal Stem Cells in Osteoporosis

IL1β priming Tonsil-derived MSCs had an enhanced osteogenic differentiation and secreted factors that regulate both osteoclastogenesis and osteoblastogenesis.
[Tissue Engineering and Regenerative Medicine]
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T-Regulatory Cells Predict Clinical Outcome in Soft Tissue Sarcoma Patients: A Clinico-Pathological Study

Investigators analyzed tumor-infiltrating lymphocytes and immune checkpoint molecules in soft tissue sarcomas, and assessed their prognostic impact regarding local recurrence, distant metastasis, and overall survival.
[British Journal of Cancer]
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Phase I/II Clinical Trial of Adoptive Cell Transfer of Sorted Specific T Cells for Metastatic Melanoma Patients

Scientists reported results from a phase I/II clinical trial in which six metastatic HLA-A2 melanoma patients received autologous antigen-specific T-cells produced from peripheral blood mononuclear cells, after peptide stimulation in vitro, followed by sorting with HLA-peptide multimers and amplification.
[Cancer Immunology Immunotherapy]
Dréno, B., Khammari, A., Fortun, A., Vignard, V., Saiagh, S., Beauvais, T., Jouand, N., Bercegay, S., Simon, S., Lang, F., & Labarrière, N. (2021). Phase I/II clinical trial of adoptive cell transfer of sorted specific T cells for metastatic melanoma patients. Cancer Immunology, Immunotherapy. https://doi.org/10.1007/s00262-021-02961-0 Cite
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TCF1 in T Cell Immunity: A Broadened Frontier

Scientists summarize the key findings on TCF1 across the fields of T cell immunity and reflect on the possibility of exploring TCF1 and its downstream transcriptional programmes as therapeutic targets for improving antiviral and antitumour immunity.
[Nature Reviews Immunology]
Zhao, X., Shan, Q., & Xue, H.-H. (2021). TCF1 in T cell immunity: a broadened frontier. Nature Reviews Immunology, 1–11. https://doi.org/10.1038/s41577-021-00563-6 Cite
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Structural Specificities of Cell Surface β-Glucan Polysaccharides Determine Commensal Yeast Mediated Immuno-Modulatory Activities

MGCP, in contrast to previously identified microbial cell surface polysaccharides, through a Dectin1-Cox2 signaling axis in dendritic cells, facilitates regulatory T cell induction from naïve T cells.
[Nature Communications]
Lee, C., Verma, R., Byun, S., Jeun, E.-J., Kim, G.-C., Lee, S., Kang, H.-J., Kim, C. J., Sharma, G., Lahiri, A., Paul, S., Kim, K. S., Hwang, D. S., Iwakura, Y., Speciale, I., Molinaro, A., De Castro, C., Rudra, D., & Im, S.-H. (2021). Structural specificities of cell surface β-glucan polysaccharides determine commensal yeast mediated immuno-modulatory activities. Nature Communications, 12(1), 3611. https://doi.org/10.1038/s41467-021-23929-9 Cite
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TET2 Protects against VSMC Apoptosis and Intimal Thickening in Transplant Vasculopathy

Scientists employed the sex-mismatched murine aortic graft model of graft arteriopathy in wild type and inducible smooth muscle-specific Tet2 knockout mice, and in vitro studies in vascular smooth muscle cells (VSMCs) to assess the role of TET2 in VSMC responses to IFNу, a cytokine elaborated by T cells that drives coronary allograft vasculopathy progression.
[Circulation]
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Tim-4+ Cavity-Resident Macrophages Impair Anti-Tumor CD8+ T Cell Immunity

The authors showed that metastatic disease in the pleural and peritoneal cavities is associated with poor clinical outcomes after immune checkpoint blockade therapy.
[Cancer Cell]
Chow, A., Schad, S., Green, M. D., Hellmann, M. D., Allaj, V., Ceglia, N., Zago, G., Shah, N. S., Sharma, S. K., Mattar, M., Chan, J., Rizvi, H., Zhong, H., Liu, C., Bykov, Y., Zamarin, D., Shi, H., Budhu, S., Wohlhieter, C., … Merghoub, T. (2021). Tim-4+ cavity-resident macrophages impair anti-tumor CD8+ T cell immunity. Cancer Cell, 0(0). https://doi.org/10.1016/j.ccell.2021.05.006 Cite
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