Keep Current with the Latest in Cell Biology Research

Rab7a Is an Enhancer of TPC2 Activity Regulating Melanoma Progression through Modulation of the GSK3β/β-Catenin/MITF-Axis

[Nature Communications] Scientists showed that the small hydrolyze guanosine triphosphate Rab7a strongly enhanced the activity of TPC2 and that effects of TPC2 on melanoma hallmarks, in vitro and in vivo strongly depended on the presence of Rab7a.

CFTR Represses a PDX1 Axis to Govern Pancreatic Ductal Cell Fate

[iScience] In the absence of CFTR protein, centroacinar cells adopted a bi-potent progenitor-like state associated with enhanced WNT/β-Catenin, TGFβ and AKT signaling. The authors showed that the level of CFTR protein, not its channel function, regulated PDX1 expression.

Netrin1 Patterns the Dorsal Spinal Cord Through Modulation of Bmp Signaling

[Cell Reports] Using a combination of gain- and loss-of-function approaches in chicken and mouse embryonic models, as well as mouse ESCs, scientists observed that manipulating the level of netrin1 specifically altered the patterning of the bone morphogenetic protein (Bmp)-dependent dorsal interneurons (dIs), dI1–dI3.

CHD6 Eviction of Promoter Nucleosomes Maintains Housekeeping Transcriptional Program in Prostate Cancer

[Molecular Therapy - Nucleic Acids] Investigators discovered sharp peaks of CHD6, as the first member of CHD family for housekeeping process, binding only to the promoter region of genes in C4-2 cell line. These genes, with conserved sharp CHD6 peaks across tumor cells, likely represented housekeeping genes ADNP and GOLGA5.

Texas Tech Professors Earn $3.5 Million Grant for Aging, Diabetes Research

[Texas Tech Now] Drs. Danielle Levitt and Hui Ying Luk from Texas Tech University will study the effects of heat therapy on older prediabetic adults, thanks to a five-year grant of roughly $3.5 million funded by the National Institute on Aging.

Centenary Institute Secures Funding for Cutting-Edge Cancer Research

[Australian Manufacturing] The Centenary Institute has received funding from the RT Hall Trust to propel pioneering cancer research. The research will focus on improving the safety and efficacy of CAR-T cell therapy in treating pancreatic cancer.

Human Immune Organoids to Decode B Cell Response in Healthy Donors and Patients with Lymphoma

[Nature Materials] Researchers developed synthetic hydrogels mimicking the lymphoid tissue microenvironment, enabling human germinal centres from tonsils and peripheral blood mononuclear cell-derived B cells.

Inhibition of Cbl-B Restores Effector Functions of Human Intratumoral NK Cells

[Journal of Immunotherapy of Cancer] Investigators conducted a high-throughput screen to identify molecules that could enhance primary human NK cell function. After compound validation, they investigated the effect of the top-performing compounds on dysfunctional NK cells that were generated by a newly developed in vitro platform.

Quantitative Pharmacology of Dual-Targeted Bicistronic CAR-T-Cell Therapy Using Multiscale Mechanistic Modeling

[CPT-Pharmacometrics & Systems Pharmacology] Scientists developed a multiscale cellular kinetic–pharmacodynamic model using case studies from CD19/CD22 and GPRC5D/BCMA autologous CAR-Ts.

Natural Killer Cells Are Required for the Recruitment of CD8+ T Cells and the Efficacy of Immune Checkpoint Blockade in Melanoma Brain Metastases

[Journal of Immunotherapy of Cancer] Researchers demonstrated that NK cells underpin the efficacy of combined PD-1/CTLA-4 blockade in brain metastases by orchestrating the "responder" molecular profile in tumors, and by controlling the intratumoral abundance of CD8+ T cells through regulation of multiple key molecular mediators of T cell trafficking.

Environmental Triggers and Future Risk of Developing Autoimmune Diseases: Molecular Mechanism and Network Toxicology Analysis of Bisphenol A

[Ecotoxicology and Environmental Safety] Investigators advanced network toxicology strategies to efficiently investigate the putative toxicity and underlying molecular mechanisms of environmental pollutants, focusing on autoimmune diseases induced by bisphenol A exposure.

Full-Length RNA-Seq of the RHOH Gene in Human B Cells Reveals New Exons and Splicing Patterns

[Scientific Reports] To further understand the transcription events associated with this gene, scientists performed full-length RNA-Seq on 12 B-cell lines. They identified new exons, new splice events and new splice sites, leading to the discovery of 38 RHOH mRNA molecules, 27 of which have never been described before.

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