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Treating ICB-resistant glioma with anti-CD40 and mitotic spindle checkpoint controller BAL101553 (lisavanbulin)

ABSTRACT: Treating ICB-resistant glioma with anti-CD40 and mitotic spindle checkpoint controller BAL101553 (lisavanbulin)

PROVIDER: PRJNA773260 | ENA |

REPOSITORIES: ENA

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Treating ICB-resistant glioma with anti-CD40 and mitotic spindle checkpoint controller BAL101553 (lisavanbulin)

Project description:drugs targeting mitosis might affect the tumor microenvironment and sensitize cancer cells to immunotherapy. BAL101553 monotherapy increased survival in immune checkpoint blockade–resistant SB28 glioblastoma tumors and synergized with anti-CD40 antibody

2021-10-23 | GSE186302 | GEO

Treating ICB-resistant glioma with anti-CD40 and mitotic spindle checkpoint controller BAL101553 (lisavanbulin).

Project description:Glioblastoma is a highly malignant brain tumor with no curative treatment options, and immune checkpoint blockade has not yet shown major impact. We hypothesized that drugs targeting mitosis might affect the tumor microenvironment and sensitize cancer cells to immunotherapy. We used 2 glioblastoma mouse models with different immunogenicity profiles, GL261 and SB28, to test the efficacy of antineoplastic and immunotherapy combinations. The spindle assembly checkpoint activator BAL101553 (lisavanbulin), agonistic anti-CD40 antibody, and double immune checkpoint blockade (anti-programmed cell death 1 and anti-cytotoxic T lymphocyte-associated protein 4; anti-PD-1 and anti-CTLA-4) were evaluated individually or in combination for treating orthotopic GL261 and SB28 tumors. Genomic and immunological analyses were used to predict and interpret therapy responsiveness. BAL101553 monotherapy increased survival in immune checkpoint blockade-resistant SB28 glioblastoma tumors and synergized with anti-CD40 antibody, in a T cell-independent manner. In contrast, the more immunogenic and highly mutated GL261 model responded best to anti-PD-1 and anti-CTLA-4 therapy and more modestly to BAL101553 and anti-CD40 combination. Our results show that BAL101553 is a promising therapeutic agent for glioblastoma and could synergize with innate immune stimulation. Overall, these data strongly support immune profiling of glioblastoma patients and preclinical testing of combination therapies with appropriate models for particular patient groups.

| S-EPMC8492343 | biostudies-literature

scRNAseq of CD45+ cells within PDAC tumors treateted with CD40/ICB

Project description:Goal: determine how transcriptome of immune cells within the tumor microenvironment changes as a function of CD40 agonist and/or immune checkpoint blockade (anti-PD-1 AND anti-CTLA-4; "ICB") therapy

2020-05-10 | GSE150176 | GEO

Project description:Treating ICB-resistant glioma with anti-CD40 and mitotic spindle checkpoint controller BAL101553 (lisavanbulin)

| PRJNA773599 | ENA

scRNAseq of CD45+ cells within PDAC tumors treateted with CD40/ICB

Project description:scRNAseq of CD45+ cells within PDAC tumors treateted with CD40/ICB

| PRJNA631402 | ENA

Immunologic and clinical activity to ICB combinations in DAPPER Leiomyosarcoma cohort

Project description:Non-inflamed (cold) tumors such as leiomyosarcoma (LMS) do not benefit from immune checkpoint blockade (ICB) monotherapy. Combining ICB with angiogenesis-, or poly-ADP ribose polymerase (PARP) inhibitors may increase tumor immunogenicity by altering the immune cell composition of the tumor microenvironment (TME). The DAPPER phase II study evaluated the safety, immunologic, and clinical activity of ICB-based combinations in pre-treated LMS patients.

2024-01-01 | E-MTAB-12922 | biostudies-arrayexpress

Rigosertib, a potential RAS-targeted agent, induces CD40 expression on melanoma cells to enhance response to immune checkpoint inhibitors

Project description:Immune checkpoint blockade (ICB) is the current first-line treatment for metastatic melanoma. However, ICB fails in many patients and has dangerous side effects. Rigosertib (RGS), a non-ATP-competitive small molecule RAS mimetic, has the potential to block oncogenic RAS-RAF-MEK-ERK and/or PI3K-AKT-mTOR signaling pathways. RGS treatment (300mg/kg) of melanoma tumor-bearing mice is well tolerated and results in ~50% inhibition of tumor growth as monotherapy and ~70% inhibition in combination with ICB. RGS-induced tumor inhibition depends on the induction of CD40 expression on melanoma cells, followed by immunogenic cell death, leading to an inflamed tumor microenvironment with enrichment of dendritic cells and activated CD8+ T cells. Highlights • RGS impairs melanoma tumor growth via direct killing and immunogenic cell death that promotes an inflamed tumor microenvironment. • RGS-induced tumor inhibition depends on the induction of CD40 expression on melanoma cells. • Combining RGS with αPD1+αCTLA4 improves tumor response. • Tumor CD40 levels are prognostic for therapeutic response to RGS and BRAF inhibitor. Significance: A high CD40 expression level correlates with CD80, ICOS-L, beneficial type I T cell responses, and better survival in melanoma patients (cBioPortal database). Tumor CD40 levels are prognostic for therapeutic response to RGS and BRAF inhibitor (DepMap and Oncomine databases), and RGS induces CD40 expression in melanoma tumor cells. Our preclinical data support the therapeutic use of RGS plus αPD1+αCTLA4 in RAS/RAF/MEK and/or PI3K pathway-activated melanoma tumors and point to the need for clinical trials to determine the clinical benefit of RGS plus ICB for metastatic melanoma patients who do not respond to ICB alone.

2021-06-15 | GSE149737 | GEO

Escherichia coli strain:ICB-10E

Project description:Escherichia coli ICB-10E

| PRJNA292926 | ENA

FAM83D directs protein kinase CK1α to the mitotic spindle for proper spindle positioning

Project description:The concerted action of many protein kinases helps orchestrate the error-free progression through mitosis of mammalian cells. The roles and regulation of some prominent mitotic kinases, such as cyclin-dependent kinases, are well-established. However, these and other known mitotic kinases alone cannot account for the extent of protein phosphorylation that has been reported during mammalian mitosis. Here we demonstrate that CK1α, of the casein kinase 1 family of protein kinases, localises to the spindle and is required for proper spindle-positioning and timely cell division. CK1α is recruited to the spindle by FAM83D, and cells devoid of FAM83D, or those harbouring CK1α-binding-deficient FAM83DF283A/F283A knockin mutation, display pronounced spindle-positioning defects, and a prolonged mitosis. Restoring FAM83D at the endogenous locus in FAM83D-/- cells, or artificially delivering CK1α to the spindle in FAM83DF283A/F283A cells, rescues these defects. These findings implicate CK1α as new mitotic kinase that orchestrates the kinetics and orientation of cell division.

2019-07-15 | PXD013808 | Pride

Spindle-localized mRNA translation mediated by CPEB1 and CPEB4 controls mitotic progression

Project description:Sequencial functions of CPEB1 and CPEB4 in the localization of repressed mRNAs to the mitotic spindle and their subsequent phase-specific activation to promote cell phase transitions and correct chromosome segregation

2018-02-15 | GSE100764 | GEO

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