Keep Current with the Latest in Cell Biology Research
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Direct Relief and the Pfizer Foundation Announce New Grantees in Fifth Year of Infectious Disease Program
[Direct Relief] Direct Relief and The Pfizer Foundation announced the third cohort of the Innovation Awards in Community Health, supporting infectious disease prevention and management in underserved communities.
Consolidator Grant Supports Long-Term Research on Brain Infections
[Karolinska Institutet] Federico Iovino has been awarded a five-year consolidator grant from Karolinska Institutet for his research on bacterial infections that affect the brain. The funding will enable long-term planning in studies of conditions such as meningitis and encephalitis.
RNA-Triggered Cell Killing with CRISPR-Cas12a2
[Nature] Researchers showed that Cas12a2, a recently discovered type V CRISPR nuclease, exhibits RNA-triggered DNA shredding15,16, and enables programmable and sequence-specific elimination of yeast and human cells expressing a target transcript.
Ex Vivo Expansion of Melanoma Tumor-Infiltrating Lymphocytes Leads to a Dominant Exhausted T-Cell Population with a Lack of Memory Markers
[Cancer Immunology Research] Scientists performed single-cell RNA and T cell receptor sequencing of tumor-infiltrating lymphocytes (TILs) isolated from patient tumors and their paired ex vivo expanded cell products. They found large transcriptional differences between pre- and post-expansion TILs.
Engineered CCR7 Overexpression Enhances Nodal CAR T-Cell Homing and Cytotoxicity toward B-Cell Lymphoma
[Cancer Immunology Research] Investigators showed that CAR T cells downregulated the chemokine receptor CCR7, crucial for nodal homing, during manufacturing. To improve nodal CAR T-cell trafficking, they engineered anti-CXCR5 CAR T cells, targeting mature lymphoma, with stable CCR7 expression.
Constitutive STAT3 Signaling, in Comparison with STAT5, Enhances CAR T-Cell Efficacy, and Lowers Systemic Toxicity
[Cancer Immunology Research] Scientists engineered CAR T cells to express constitutively active mutants of STAT3 and STAT5 to investigate their individual functions. Co-expression of constitutive active mutants (ca) of STAT3 and caSTAT5 markedly enhance the long-term proliferative capacity of CAR T cells, even in the absence of antigen stimulation or cytokine supplementation.
Development of CAR T Cells Targeting a Surface RNA Binding Protein for the Treatment of Acute Leukemias
[Cancer Discovery] Researchers generated CAR-T cells against one antigen - U5 snRNP200, an RNA helicase localized to the acute myeloid leukemia (AML) cell surface and absent from normal hematopoietic precursors. Anti-U5 snRNP200 CAR-T cells were effective in human and syngeneic models of AML as well as B cell acute lymphoblastic leukemia.
Mesenchymal Stromal Cells in Immunometabolic Regulation: A Review of Itaconate-Mediated Mechanisms
[Stem Cell Reviews and Reports] The authors summarize current evidence supporting both direct and indirect interactions between itaconate signaling and MSC biology.
Metastatic Promoting Role of Mesenchymal Stem Cells in Oral Squamous Cell Carcinoma Revealed by an Improved Bone Marrow Chimeric Model
[Scientific Reports] MSCs profoundly affected tumor development. MSC-deficient tumours exhibite necrosis and infiltration of immature myeloid-derived suppressor cells, whereas MSC-rich tumors show enhanced vascularisation, adaptive immune infiltration, and stromal remodelling.
Oligometastatic Prostate Cancer — Bridging the Gap between Localized and Metastatic Disease
[Nature Reviews Urology] Results from randomized Phase II trials support the use of metastasis-directed therapy in patients with metachronous oligometastatic prostate cancer. In parallel, prostate-directed treatments such as radiotherapy and cytoreductive radical prostatectomy are under investigation.
Molecular Insights into DDX3X-Androgen Receptor mRNA Regulation via Non-Canonical G-Quadruplex in Castration-Resistant Prostate Cancer
[Oncogene] Scientists showed that DEAD-box helicase 3 X-linked (DDX3X) colocalizes with androgen receptor (AR) mRNA in androgen receptor-low/negative CRPC cells and selectively recognizes non-canonical RNA G-quadruplex motifs within the sequence of AR mRNA.
OGDHL Promotes Prostate Cancer Progression and Regulates Neuroendocrine Marker Expression and Nucleotide Abundance
[Molecular Cancer Research] Scientists identified the metabolic enzyme oxoglutarate dehydrogenase-like (OGDHL) as an unexpected regulator of tumor growth, treatment-induced lineage plasticity, and DNA damage in prostate cancer.

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