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LATS1 and LATS2 suppress breast cancer progression by maintaining cell identity and metabolic state

ABSTRACT: LATS1 and LATS2 suppress breast cancer progression by maintaining cell identity and metabolic state

PROVIDER: PRJNA480288 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR7500810.fastq.gz	Fastqsanger.gz
	SRR7500820.fastq.gz	Fastqsanger.gz
	SRR7500830.fastq.gz	Fastqsanger.gz
	SRR7500840.fastq.gz	Fastqsanger.gz
	SRR7500811.fastq.gz	Fastqsanger.gz

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Similar Datasets

LATS1 and LATS2 suppress breast cancer progression by maintaining cell identity and metabolic state [mouse]

Project description:LATS1 and LATS2 suppress breast cancer progression by maintaining cell identity and metabolic state [mouse]

| PRJNA480291 | ENA

LATS1 and LATS2 suppress breast cancer progression by maintaining cell identity and metabolic state [human]

Project description:LATS1 and LATS2 suppress breast cancer progression by maintaining cell identity and metabolic state [human]

| PRJNA480289 | ENA

LATS1 and LATS2 suppress breast cancer progression by maintaining cell identity and metabolic state [mouse]

Project description:Deregulated activity of the LATS tumor suppressors has broad implications on cellular and tissue homeostasis. We examined the consequences of downregulation of either LATS1 or LATS2 in breast cancer. Consistent with their proposed tumor suppressive roles, expression of both paralogs is significantly downregulated in human breast cancer, and loss of either paralog accelerated mammary tumorigenesis in mice. However, each paralog had a distinct impact on breast cancer. Thus, LATS2 depletion in luminal B tumors resulted in metabolic rewiring, with increased glycolysis and reduced PPARg signaling. Furthermore, pharmacological activation of PPARg elicited LATS2-dependent death in luminal B-derived cells. In contrast, LATS1 depletion augmented cancer cell plasticity, skewing luminal B tumors towards increased expression of basal-like features, in association with increased resistance to hormone therapy. Hence, these two closely related paralogs play distinct roles in protection against breast cancer; tumors with reduced expression of either LATS1 or LATS2 may rewire signaling networks differently and thus respond differently to anti-cancer treatments.

2018-10-28 | GSE116817 | GEO

LATS1 and LATS2 suppress breast cancer progression by maintaining cell identity and metabolic state [human]

2018-10-28 | GSE116816 | GEO

LATS1 and LATS2 suppress breast cancer progression by maintaining cell identity and metabolic state.

Project description:Deregulated activity of LArge Tumor Suppressor (LATS) tumor suppressors has broad implications on cellular and tissue homeostasis. We examined the consequences of down-regulation of either LATS1 or LATS2 in breast cancer. Consistent with their proposed tumor suppressive roles, expression of both paralogs was significantly down-regulated in human breast cancer, and loss of either paralog accelerated mammary tumorigenesis in mice. However, each paralog had a distinct impact on breast cancer. Thus, LATS2 depletion in luminal B tumors resulted in metabolic rewiring, with increased glycolysis and reduced peroxisome proliferator-activated receptor γ (PPARγ) signaling. Furthermore, pharmacological activation of PPARγ elicited LATS2-dependent death in luminal B-derived cells. In contrast, LATS1 depletion augmented cancer cell plasticity, skewing luminal B tumors towards increased expression of basal-like features, in association with increased resistance to hormone therapy. Hence, these two closely related paralogs play distinct roles in protection against breast cancer; tumors with reduced expression of either LATS1 or LATS2 may rewire signaling networks differently and thus respond differently to anticancer treatments.

| S-EPMC6238411 | biostudies-literature

Evaluation of the roles of Lats1 and Lats2 in the development of the Müllerian ducts

Project description:Development of the female tract results from the carefull coordination of numerous signaling pathways. Here, we evaluated the role of hippo pathway in the development of the female reproductive tract. We used microarray to compare the gene expression changes observed in the Müllerian ducts of E17.5 mice embryos between control group and experimental (mutant) group bearing a conditional deletion of both (conjoint) Lats1 and Lats2 using the Amhr2cre strain.

2019-10-10 | GSE135855 | GEO

Loss of LATS1 and LATS2 promotes ovarian tumor formation by enhancing AKT activity and PD-L1 expression

Project description:High-grade serous ovarian cancer (HGSOC) is the deadliest and most common subtype of ovarian cancer. Unfortunately, most patients develop recurrence and ultimately resistance to standard platinum chemotherapy. Large tumor suppressors LATS1 and LATS2, the core Hippo signaling kinases, have been implicated in various cancer types, including ovarian cancer. The mechanism by which LATS1/2 suppresses ovarian cancer progression is currently elusive, but the expression of LATS1/2 is frequently reduced or lost in these cancers. In this study, we demonstrate that the inactivation of LATS1/2 is sufficient to transform normal mouse ovarian epithelium into tumorigenic cells associated with increased cell proliferation, invasion and stemness and epithelial–mesenchymal transition (EMT) characteristics. Knockout of Lats1/2 in the epithelial cells also leads to higher expression levels of the immune checkpoint molecule PD-L1, suggesting a regulatory role of LATS1/2 in modulating immune responses and immune evasion. In addition to the loss of LATS1/2 activating the downstream transcriptional coactivators YAP and TAZ, PI3K-AKT activity was also increased, likely contributing to enhanced tumor proliferation and survival. The stimulatory effect of Lats1/2 knockout on cell proliferation can be partially reversed by treatment with the AKT inhibitor MK2206. Treatment with verteporfin, a potent inhibitor of YAP/TAZ, decreases ovarian tumor progression and reduces the activated AKT in the tumors. In summary, this study uncovers several biological mechanisms for the initiation of HGSOC and identifies LATS1/2 as potential prognostic indicators and therapeutic targets.

2025-03-18 | GSE291871 | GEO

Expression profiling in primary embryonic fibroblasts deficient for the N-terminal truncation of Lats1

Project description:Lats1 and Lats2 are the mediators of the Hippo pathway that regulates tissue growth and proliferation. Lats1 and Lats2 kinases share 85% sequence identity in the kinase domain. However, their non-kinase regions at the N-terminus are distinct except for Lats conserved domain 1 (LCD1) and LCD2, suggesting that their N-terminal regions are important for Lats1/2-specific functions. In this study, we generated Lats1 knockout mice disrupting the N-terminal region containing LCD1 (Lats1M-NM-^TN/M-NM-^TN). We show that some Lats1M-NM-^TN/M-NM-^TN mice were born safely and grew normally. However, mouse embryonic fibroblasts (MEFs) from Lats1M-NM-^TN/M-NM-^TN mice displayed drastic defects in mitosis, showing enhanced centrosome overduplication, chromosomal misalignment, multipolar spindle formation, chromosome bridging, and cytokinesis failure. Moreover, they displayed accelerated cell cycle and cell growth bypassing a cell-cell contact inhibition like tumor cells, and exhibited anchorage independent growth. Indeed, Lats1M-NM-^TN/M-NM-^TN MEFs produced tumors in nude mice after subcutaneous injection, although the tumor growth rate was much slower than ordinary cancer cells. Furthermore, Yap, the key transcriptional co-activator in the Hippo pathway, was overexpressed and retained stable in Lats1M-NM-^TN/M-NM-^TN MEFs under high cell density, and expression of Lats2 mRNA were down-regulated. Total RNAs were extracted from MEFs under high or low cell density using miRNeasy extraction kit (Qiagen). A Dye-swapped experiment was performed by hybridizing complimentary RNA (cRNA) labeled with either Cyanine (Cy) -3 or Cy-5 (Perkin-Elmer) onto Whole Mouse Genome Oligo Microarray (G4122F; Agilent Technologies). Co-hybridizations were performed and data from Cy3 or Cy5 channels were analyzed as normalized signal intensities rather than as log ratios corresponding to each array.

2012-12-17 | E-GEOD-37871 | biostudies-arrayexpress

LATS1 and LATS2 suppress breast cancer progression by maintaining cell identity and metabolic state

Project description:This SuperSeries is composed of the SubSeries listed below.

2018-10-28 | GSE116818 | GEO

Deletion of Lats1/2 in adult kidney epithelia leads to renal cell carcinoma

Project description:We characterized the transcriptomes of both primary tumors and lung metastases tha developed in mice following deletion of Lats1 and Lats2 from Slc34a1-expressing cells as well as tumors arising from kidney allografts of and immortalized Lats1-/-;Lats2-/- cell line derived from the renal papilla.

2021-01-15 | GSE164879 | GEO

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