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2’3’-cGAMP binds and activates Rab18 to promote cell migration

ABSTRACT: 2’3’-cGAMP binds and activates Rab18 to promote cell migration

PROVIDER: PRJNA865774 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR20810709_1.fastq.gz	Fastqsanger.gz
	SRR20810709_2.fastq.gz	Fastqsanger.gz
	SRR20810710_1.fastq.gz	Fastqsanger.gz
	SRR20810710_2.fastq.gz	Fastqsanger.gz
	SRR20810711_1.fastq.gz	Fastqsanger.gz

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2’3’-cGAMP binds and activates Rab18 to promote cell migration

Project description:Cyclic dinucleotides serve as bacterial secondary messengers regulating sporulation, motility, biofilm formation and virulence. A nonsymmetric c-di-GAMP is firstly identified in bacteria to promote colonization, while mammalian 2’3’-cGAMP is synthesized by cGAS through binding and activating STING to trigger innate immune activation. However, pathophysiological function of 2’3’-cGAMP beyond innate immunity remains elusive. Here, we report 2’3’-cGAMP facilitates cell migration independent of STING and its innate immune function. 2’3’-cGAMP interactome analysis with a targeted shRNA-screen identifies the GTPase Rab18 as a direct 2’3’-cGAMP binding partner and effector in cell migration control. Mechanistically, 2’3’-cGAMP binds Rab18-S17, E36 and R92 residues to facilitate Rab18 activation and subsequently promotes FosB transcription in promoting cell migration. Low-dose doxorubicin induces 2’3’-cGAMP synthesis and facilitates cell migration in vitro and in vivo. Interestingly, lovastatin induces Rab18 phosphorylation abolishes 2’3’-cGAMP recognition to antagonize 2’3’-cGAMP induced cell migration. Together, our study reveals a novel 2’3’-cGAMP function in cell migration control beyond innate immunity via binding Rab18 that provides new insights into clinical applications of 2’3’-cGAMP.

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Aire, guardian of immunological tolerance, binds to and activates super-enhancers

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Downregulation of LATS kinases alters p53 to promote cell migration

Project description:p53 is a pivotal tumor suppressor and a major barrier against cancer. We now report that silencing of the Hippo pathway tumor suppressors LATS1 and LATS2 in non-transformed mammary epithelial cells reduces p53 phosphorylation and increases its association with the p52 NF-?B subunit. Moreover, it partly shifts p53âs conformation and transcriptional output towards a state resembling cancer-associated p53 mutants, and endow p53 with the ability to promote cell migration. Notably, LATS1 and LATS2 are frequently downregulated in breast cancer; we propose that such downregulation might benefit cancer by converting p53 from a tumor suppressor into a tumor facilitator. MCF10A cells transfected with siRNA against LATS1/2 alone, p53 alone or LATS1/2 and p53 together. Two independent MCF10A batches provided biological replicates

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TGF-β1 activates neutrophil signaling and transcription but not migration

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Downregulation of LATS kinases alters p53 to promote cell migration

Project description:p53 is a pivotal tumor suppressor and a major barrier against cancer. We now report that silencing of the Hippo pathway tumor suppressors LATS1 and LATS2 in non-transformed mammary epithelial cells reduces p53 phosphorylation and increases its association with the p52 NF-κB subunit. Moreover, it partly shifts p53’s conformation and transcriptional output towards a state resembling cancer-associated p53 mutants, and endow p53 with the ability to promote cell migration. Notably, LATS1 and LATS2 are frequently downregulated in breast cancer; we propose that such downregulation might benefit cancer by converting p53 from a tumor suppressor into a tumor facilitator.

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Melanoma cells repress Desmoglein 1 in keratinocytes to promote tumor cell migration

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TERT activates endogenous retroviruses to promote an immunosuppressive tumour microenvironment

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Hedgehog Induced ZFYVE21 Activates T Cell Intrinsic, NLRP3 Inflammasomes to Promote Chronic Inflammation

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Downregulation of LATS kinases alters p53 to promote cell migration

Project description:p53 is a pivotal tumor suppressor and a major barrier against cancer. We now report that silencing of the Hippo pathway tumor suppressors LATS1 and LATS2 in non-transformed mammary epithelial cells reduces p53 phosphorylation and increases its association with the p52 NF-?B subunit. Moreover, it partly shifts p53’s conformation and transcriptional output towards a state resembling cancer-associated p53 mutants, and endow p53 with the ability to promote cell migration. Notably, LATS1 and LATS2 are frequently downregulated in breast cancer; we propose that such downregulation might benefit cancer by converting p53 from a tumor suppressor into a tumor facilitator.

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