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Gene expression in mouse whole proliferative phase wounds in response to alterations in β-Catenin levels

ABSTRACT: Gene expression in mouse whole proliferative phase wounds in response to alterations in β-Catenin levels

PROVIDER: PRJNA216913 | ENA |

REPOSITORIES: ENA

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Gene expression in mouse whole proliferative phase wounds in response to alterations in β-Catenin levels [induced post-injury].

Project description:β-Catenin is a regulator of cutaneous wound repair. The expression of genes that are modulated in response to changes in β-Catenin levels (stabilization and downregulation) in cutaneous mouse wounds, post injury, during the proliferative phase of repair, was investigated. We are particularly interested in genes that are modulated (in opposite directions) in response to both the induction (stabilization) versus downregulation of β-Catenin. To investigate this, conditional β-Catenin stabilized (Harada, N., et al. EMBO J. 1999 Nov 1;18(21):5931-42) mice were injected with either a Cre-expressing adenovirus, or a GFP-expressing control virus, three days following injury, and wounds were harvested eight days post injury. For conditional knockdown of β-Catenin, mice generated from a cross between conditional β-Catenin knockdown mice (Brault, V. et al., Development. 2001 Apr;128(8):1253-64), and mice that express a tamoxifen-inducible form of Cre (Hayashi, S., and McMahon, A.P., Dev Biol. 2002 Apr 15;244(2):305-18), were treated with Tamoxifen for five days, beginning at the third day after injury. Wounds were harvested eight days after wounding. This provides insight into the identities of genes modulated in response to changes in β-Catenin levels during the proliferative stage of cutaneous wound repair.

2018-12-31 | GSE50153 | GEO

Gene expression in mouse proliferative phase wounds in response to alterations in β-Catenin levels [initiated prior to injury].

Project description:β-Catenin is a regulator of cutaneous wound repair. The expression of genes that are modulated in response to changes in β-Catenin levels initiated prior to injury was investigated during the proliferative phase of repair. We are particularly interested in genes that are modulated (in opposite directions) in response to both the induction ('stabilization') versus downregulation of β-Catenin. To investigate this, conditional β-Catenin stabilized mice (Harada, N., et al. EMBO J. 1999 Nov 1;18(21):5931-42) were injected with either a Cre-expressing adenovirus, or a GFP-expressing control virus, four days prior to injury, and wounds were harvested eight days following injury. For conditional knockdown of β-Catenin, mice generated from a cross between conditional β-Catenin knockdown mice (Brault, V. et al., Development. 2001 Apr;128(8):1253-64), and mice that express a tamoxifen-inducible form of Cre (Hayashi, S., and McMahon, A.P., Dev Biol. 2002 Apr 15;244(2):305-18), were treated with Tamoxifen for five days prior to injury. Wounds were harvested eight days after wounding. This provides insight into gene expression changes that occur during the proliferative stage of cutaneous wound repair in response to changes in β-Catenin levels initiated before/at the time of injury.

2018-12-31 | GSE50152 | GEO

Gene expression in mouse whole proliferative phase wounds in response to alterations in β-Catenin levels

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

2018-12-31 | GSE50154 | GEO

β-catenin drives distinct transcriptional networks in proliferative and non-proliferative cardiomyocytes

Project description:β-catenin drives distinct transcriptional networks in proliferative and non-proliferative cardiomyocytes

| PRJNA632627 | ENA

β-catenin drives distinct transcriptional networks in proliferative and non-proliferative cardiomyocytes

Project description:The inability of the adult mammalian heart to regenerate represents a fundamental barrier in heart failure management. In contrast, the neonatal heart retains a transient regenerative capacity, but the underlying mechanisms are not fully understood. Wnt/β-catenin signaling has been suggested as a key cardio-regenerative pathway. Here, we show that Wnt/β-catenin signaling potentiates neonatal mouse cardiomyocyte proliferation in vivo and immature human pluripotent stem cell-derived cardiomyocyte (hPSC-CM) proliferation in vitro. In contrast, Wnt/β-catenin signaling in adult mice is cardioprotective but fails to induce cardiomyocyte proliferation. Transcriptional profiling of neonatal mouse and hPSC-CM revealed a core Wnt/β-catenin-dependent transcriptional network governing cardiomyocyte proliferation. In contrast, β-catenin failed to re-engage this proliferative gene network in the adult heart, which instead reverted to a neonatal-like glycolytic program. These findings suggest that Wnt/β-catenin drives distinct transcriptional networks in regenerative and non-regenerative cardiomyocytes, which may contribute towards the inability of the adult heart to regenerate following injury.

2020-11-04 | GSE150521 | GEO

A global transcriptome analysis of skin wounds of diabetic mice (db/db) treated with miR-132 or control mimics

Project description:MiR-132 is one of the most upregulated miRNAs in human skin wounds at the inflammatory phase of healing. MiR-132 inhibits inflammation but promotes growth of epidermal keratinocytes, indicating that it may facilitate the inflammatory-proliferative phase transition during wound repair. Following this line of research, here we evaluated the therapeutic potential of miR-132 in chronic wound using mouse in vivo wound model. We performed a global transcriptome analysis of skin wounds of leptin receptor-deficient (db/db) mice treated with miR-132 or control mimics. Db/db mouse has been used as a type 2 diabetic model with impaired wound healing capacity.

2017-02-01 | GSE92409 | GEO

Pharmacological YAP activation promotes regenerative repair of cutaneous wounds.

Project description:Chronic cutaneous wounds remain a persistent unmet medical need that decrease expectancy and quality of life. Here, we report that topical application of PY-60, a small molecule activator of the transcriptional coactivator YAP, promotes regenerative repair of cutaneous wounds in pig and human models. Pharmacological YAP activation enacts a reversible pro-proliferative transcriptional program in keratinocytes and dermal cells that results in accelerated re-epithelization and regranulation of the wound bed. These results demonstrate that transient topical administration of a YAP activating agent may represent a generalizable therapeutic approach to treating chronic wounds.

2023-06-11 | GSE234332 | GEO

SMARCA4 loss and mutated β-catenin induce proliferative lesions in the murine embryonic cerebellum

Project description:SMARCA4 loss and mutated β-catenin induce proliferative lesions in the murine embryonic cerebellum

| PRJNA1004337 | ENA

Extracts from sweet sorghum (Sorghum bicolor), a feedstock for biorefining, suppressed proliferation and elevated apoptosis in human colon cancer stem cells via suppression of Wnt/beta-catenin signaling pathway

Project description:In colorectal cancer, p53 is commonly inactivated, associated with chemo-resistance, and marks the transition from non-invasive to invasive disease. Cancers, including colorectal cancer, are thought to be diseases of aberrant stem cell populations, as stem cells are able to self-renew, making them long-lived enough to acquire mutations necessary to manifest the disease. We have shown that extracts from sweet sorghum stalk components eliminate colon cancer stem cells (CCSC) in a partial p53-dependent fashion. However, the underlying mechanisms are unknown. In the present study, CCSC were transfected with short hairpin-RNA against p53 (CCSC p53 shRNA) and treated with sweet sorghum phenolics extracted from different plant components (dermal layer, leaf, seed head and whole plant). While all components demonstrated anti-proliferative and pro-apoptotic effects in CCSC, phenolics extracted from the dermal layer and seed head were more potent in eliminating CCSC by elevating caspases 3/7 activity, PARP cleavage, and DNA fragmentation in a p53-dependent and p53-independent fashion, respectively. Further investigations revealed that the anti-proliferative and pro-apoptotic effects were associated with decreases in beta-catenin protein levels, and beta-catenin targets cyclin D1, cMyc, and survivin. These results suggest that the anti-proliferative and pro-apoptotic effects of sweet sorghum extracts against human colon cancer stem cells are via suppression of Wnt/beta-catenin pro-survival signaling in a p53-dependent (dermal layer) and partial p53-independent (seed head) fashion. LCMS used to identify phenolic compounds associated with extract activity

2014-05-01 | MTBLS69 | MetaboLights

Mus musculus

Project description:Gene expression in mouse proliferative phase wounds in response to alterations in β-Catenin levels [initiated prior to injury].

| PRJNA216916 | ENA

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