Endometrial Axin2+ cells drive epithelial homeostasis and regeneration, and develop endometrial cancer following oncogenic transformation
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA588973 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR10433000_1.fastq.gz | Fastqsanger.gz | |||
| SRR10433000_2.fastq.gz | Fastqsanger.gz | |||
| SRR10433001_1.fastq.gz | Fastqsanger.gz | |||
| SRR10433001_2.fastq.gz | Fastqsanger.gz | |||
| SRR10433002_1.fastq.gz | Fastqsanger.gz |
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Project description:Summary: RNAseq analysis of Axin2+ and Axin2- endometrial epithelial cells shows that Axin2+ cells have a distinct gene expression profile compared to Axin2- cells. Methods: Four-week-old Axin2rtTA; tetOH2BJGFP mice (n=3) were ovariectomized. After 2 weeks of rest, H2BJGFP was induced in Axin2+ cells by a single dose of doxycycline administered intraperitoneally and uteri were collected 4 days post-doxycycline administration. Endometrial epithelial cells were isolated, digested into single cell suspension and Axin2+ (GFPhigh) and Axin2- (GFP-) cells were FACS sorted. The respective Axin2+ and Axin2- cells from each of the three mice used in this experiment were pooled together (Axin2- cells = C1, C2, C3; Axin2+ cells = M1, M2, M3, Arabic numeral represents the mouse number). Total RNA was isolated using RNeasy Micro kit (Qiagen) as per manufacturer instructions. RNA quality and concentration were determined using Nanodrop ND-1000 Spectrophotometer. RNAseq profiles were generated using Illumina NovaSeq platform. The reads were mapped to the mouse genome (Build version mm10) using the STAR aligner (v2.5.3a) and differential gene expression analysis was performed using edgeR (version 3.22.5) tool. Results: Differential gene expression analysis using edgeR identified 4458 genes that were differentially expressed by more than twofold in the Axin2high population compared with Axin2- population. Several of these differentially expressed genes include some of the well-known stem cell markers.
2020-01-14 | GSE140222 | GEO
Project description:Runx2 and Axin2 regulate skeletal development. We recently determined that Axin2 and Runx2 molecularly interact in differentiating osteoblasts to regulate intramembranous bone formation, but the relationship between these factors in endochondral bone formation was unresolved. To address this, we examined the effects of Axin2 deficiency on the cleidocranial dysplasia (CCD) phenotype of Runx2+/- mice, focusing on skeletal defects attributed to improper endochondral bone formation. Axin2 deficiency unexpectedly exacerbated calvarial components of the CCD phenotype in the Runx2+/- mice; the endocranial layer of the frontal suture, which develops by endochondral bone formation, failed to mineralize in the Axin2-/-:Runx2+/-mice, resulting in a cartilaginous, fibrotic and larger fontanel than observed in Runx2+/- mice. Transcripts associated with cartilage development (e.g., Acan, miR140) were expressed at higher levels, whereas blood vessel morphogenesis transcripts (e.g., Slit2) were suppressed in Axin2-/-:Runx2+/-calvaria. Cartilage maturation was impaired, as primary chondrocytes from double mutant mice demonstrated delayed differentiation and produced less calcified matrix in vitro. The genetic dominance of Runx2 was also reflected during endochondral fracture repair, as both Runx2+/- and double mutant Axin2-/-:Runx2+/- mice had enlarged fracture calluses at early stages of healing. However, by the end stages of fracture healing, double mutant animals diverged from the Runx2+/- mice, showing smaller calluses and increased torsional strength indicative of more rapid end stage bone formation as seen in the Axin2-/- mice. Taken together, our data demonstrate a dominant role for Runx2 in chondrocyte maturation, but implicate Axin2 as an important modulator of the terminal stages of endochondral bone formation. 4 mice per genotype X 4 genotypes: wildtype (WT), Runx2+/- (R-Het), Axin2-/- (A-KO), Axin2-/-:Runx2+/- (A-KO:R-Het). Total = 16 samples
2014-07-04 | E-GEOD-59079 | biostudies-arrayexpress
Project description:Runx2 and Axin2 regulate skeletal development. We recently determined that Axin2 and Runx2 molecularly interact in differentiating osteoblasts to regulate intramembranous bone formation, but the relationship between these factors in endochondral bone formation was unresolved. To address this, we examined the effects of Axin2 deficiency on the cleidocranial dysplasia (CCD) phenotype of Runx2+/-M-BM- mice, focusing on skeletal defects attributed to improper endochondral bone formation. Axin2 deficiency unexpectedly exacerbated calvarial components of the CCD phenotype in the Runx2+/-M-BM- mice; the endocranial layer of the frontal suture, which develops by endochondral bone formation, failed to mineralize in the Axin2-/-:Runx2+/-mice, resulting in a cartilaginous, fibrotic and larger fontanel than observed in Runx2+/-M-BM- mice. Transcripts associated with cartilage development (e.g., Acan, miR140) were expressed at higher levels, whereas blood vessel morphogenesis transcripts (e.g., Slit2) were suppressed in Axin2-/-:Runx2+/-calvaria. Cartilage maturation was impaired, as primary chondrocytes from double mutant mice demonstrated delayed differentiation and produced less calcified matrix in vitro. The genetic dominance of Runx2 was also reflected during endochondral fracture repair, as both Runx2+/-M-BM- and double mutant Axin2-/-:Runx2+/-M-BM- mice had enlarged fracture calluses at early stages of healing. However, by the end stages of fracture healing, double mutant animals diverged from the Runx2+/-M-BM- mice, showing smaller calluses and increased torsional strength indicative of more rapid end stage bone formation as seen in the Axin2-/-M-BM- mice. Taken together, our data demonstrate a dominant role for Runx2 in chondrocyte maturation, but implicate Axin2 as an important modulator of the terminal stages of endochondral bone formation. 4 mice per genotype X 4 genotypes: wildtype (WT), Runx2+/- (R-Het), Axin2-/- (A-KO), Axin2-/-:Runx2+/- (A-KO:R-Het). Total = 16 samples
2014-07-04 | E-GEOD-59081 | biostudies-arrayexpress
Project description:Runx2 and Axin2 regulate skeletal development. We recently determined that Axin2 and Runx2 molecularly interact in differentiating osteoblasts to regulate intramembranous bone formation, but the relationship between these factors in endochondral bone formation was unresolved. To address this, we examined the effects of Axin2 deficiency on the cleidocranial dysplasia (CCD) phenotype of Runx2+/- mice, focusing on skeletal defects attributed to improper endochondral bone formation. Axin2 deficiency unexpectedly exacerbated calvarial components of the CCD phenotype in the Runx2+/- mice; the endocranial layer of the frontal suture, which develops by endochondral bone formation, failed to mineralize in the Axin2-/-:Runx2+/-mice, resulting in a cartilaginous, fibrotic and larger fontanel than observed in Runx2+/- mice. Transcripts associated with cartilage development (e.g., Acan, miR140) were expressed at higher levels, whereas blood vessel morphogenesis transcripts (e.g., Slit2) were suppressed in Axin2-/-:Runx2+/-calvaria. Cartilage maturation was impaired, as primary chondrocytes from double mutant mice demonstrated delayed differentiation and produced less calcified matrix in vitro. The genetic dominance of Runx2 was also reflected during endochondral fracture repair, as both Runx2+/- and double mutant Axin2-/-:Runx2+/- mice had enlarged fracture calluses at early stages of healing. However, by the end stages of fracture healing, double mutant animals diverged from the Runx2+/- mice, showing smaller calluses and increased torsional strength indicative of more rapid end stage bone formation as seen in the Axin2-/- mice. Taken together, our data demonstrate a dominant role for Runx2 in chondrocyte maturation, but implicate Axin2 as an important modulator of the terminal stages of endochondral bone formation.
2014-07-04 | GSE59081 | GEO
Project description:Runx2 and Axin2 regulate skeletal development. We recently determined that Axin2 and Runx2 molecularly interact in differentiating osteoblasts to regulate intramembranous bone formation, but the relationship between these factors in endochondral bone formation was unresolved. To address this, we examined the effects of Axin2 deficiency on the cleidocranial dysplasia (CCD) phenotype of Runx2+/- mice, focusing on skeletal defects attributed to improper endochondral bone formation. Axin2 deficiency unexpectedly exacerbated calvarial components of the CCD phenotype in the Runx2+/- mice; the endocranial layer of the frontal suture, which develops by endochondral bone formation, failed to mineralize in the Axin2-/-:Runx2+/-mice, resulting in a cartilaginous, fibrotic and larger fontanel than observed in Runx2+/- mice. Transcripts associated with cartilage development (e.g., Acan, miR140) were expressed at higher levels, whereas blood vessel morphogenesis transcripts (e.g., Slit2) were suppressed in Axin2-/-:Runx2+/-calvaria. Cartilage maturation was impaired, as primary chondrocytes from double mutant mice demonstrated delayed differentiation and produced less calcified matrix in vitro. The genetic dominance of Runx2 was also reflected during endochondral fracture repair, as both Runx2+/- and double mutant Axin2-/-:Runx2+/- mice had enlarged fracture calluses at early stages of healing. However, by the end stages of fracture healing, double mutant animals diverged from the Runx2+/- mice, showing smaller calluses and increased torsional strength indicative of more rapid end stage bone formation as seen in the Axin2-/- mice. Taken together, our data demonstrate a dominant role for Runx2 in chondrocyte maturation, but implicate Axin2 as an important modulator of the terminal stages of endochondral bone formation.
2014-07-04 | GSE59079 | GEO
Project description:Axin2/Runx2 mouse calvaria expression
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Project description:We reveal that Axin2 mediates stem cell competition in developing brain.
2023-03-10 | GSE178509 | GEO
Project description:A tendon’s ordered extracellular matrix (ECM) is integral for transmitting force and highly prone to injury. Whether and how tendon cells, or tenocytes, embedded within this dense ECM mobilize and contribute to healing is unknown. Here, we identify a specialized Axin2+ tenocyte population in mouse and human tendons that remains latent in homeostasis yet serves as a major source of tendon progenitors during healing. We show that Axin2+ tenocytes readily expand in vitro and express stem cell markers. In vivo, Axin2+ cells are major functional contributors to repair: Axin2+ tenocytes de-differentiate, expand, and re-adopt a tenocyte fate post-injury. Specific loss of Wnt secretion in Axin2+ cells alters their stem cell identity and disrupts their activation upon injury, severely compromising healing. Our work highlights Axin2+ tenocytes as quiescent stem cells embedded in dense matrix, which are uniquely regulated in an autocrine manner and are central organizers of robust tendon healing.
2024-10-22 | GSE188598 | GEO
Project description:Wnt signaling is a crucial developmental pathway involved in early development as well as stem cell maintenance in adults and its misregulation leads to numerous diseases. Thus, understanding the regulation of this pathway becomes vitally important. Axin2 and Nkd1 are widely utilized negative feedback regulators in Wnt signaling where Axin2 functions to destabilize cytoplasmic β-catenin, and Nkd1 functions to inhibit the nuclear localization of β-catenin. Here, we set out to further understand how Axin2 and Nkd1 regulate Wnt signaling by creating axin2-/-, nkd1-/- single mutants and axin2-/-;nkd1-/- double mutant zebrafish using sgRNA/Cas9. All three Wnt regulator mutants were viable and had impaired heart looping, neuromast migration defects, and behavior abnormalities in common, but there were no signs of synergy in the axin2-/-;nkd1-/- double mutants. Further, Wnt target gene expression by qRT-PCR, and RNA-seq analysis and protein expression by mass spec demonstrated that the double axin2-/-;nkd1-/- mutant resembled the nkd1-/- phenotype demonstrating that Axin functions upstream of Nkd1 and that loss of Nkd1 is dominant over the loss of Axin2. In support of this, the data further demonstrates that Axin2 uniquely alters the properties of β-catenin-dependent transcription having novel readouts of Wnt activity compared to nkd1-/- or the axin2-/-;nkd1-/- double mutant. We also tested the sensitivity of the Wnt regulator mutants to exacerbated Wnt signaling, where the single mutants displayed characteristic heightened Wnt sensitivity, resulting in an eyeless phenotype. Surprisingly, this phenotype was rescued in the double mutant, where we speculate that cross-talk between Wnt/β-catenin and Wnt/Planar Cell Polarity pathways could lead to altered Wnt signaling in some scenarios. Collectively, the data emphasizes both the commonality and the complexity in the feedback regulation of Wnt signaling.
2023-11-07 | GSE246858 | GEO
Project description:Transcriptional profiling of rat EAC - comparison of non-/pre-malignant endometrium with endometrial tumors Endometrial cancer develops from the endometrium of the uterus and is the most common pelvic malignancy diagnosed in women in the western countries. Similar to all cancer diseases, endometrial cancer is a genetic disorder that results from complex patterns of genetic and epigenetic alterations involved in the malignant transformation. The genetic heterogeneity inherent in the human population, differences in the environment and life styles poses enormous difficulties when analyzing the complex patterns of genetic alterations contributing to cancer etiology. Inbred animal models constitute unique experimental genetic tools as the genetic heterogeneity and the influence of environmental factors can be readily reduced. The BDII/Han rat model is unique for spontaneous hormonal carcinogenesis since more than 90% of the female virgins spontaneously develop endometrial cancer during their life span. The possibility to perform global gene expression profiling of tumor cells would likely provide important information of the genes and pathways that are involved in EAC susceptibility and carcinogenesis. Keywords: Endometrial tumors developed in crosses with the BDII inbred rat strain (from backcrosses, NUT, and intercrosses, RUT) and Sprague Dawley curley-3 and Brown Norway Common reference design - Universal rat reference (Stratagene) hybridized to all arrays. Biological replicates and technical replicates (3) of each clone printed at random positions on the array.
2010-05-19 | E-GEOD-13003 | biostudies-arrayexpress