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Aged skin exacerbates experimental osteoarthritis via enhanced IL-36R signaling

ABSTRACT: Aged skin exacerbates experimental osteoarthritis via enhanced IL-36R signaling

PROVIDER: PRJNA1099896 | ENA |

REPOSITORIES: ENA

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Aged skin exacerbates experimental osteoarthritis via enhanced IL-36R signaling

Project description:Aged skin exacerbates experimental osteoarthritis via enhanced IL-36R signaling

| PRJNA1100990 | ENA

Aged skin exacerbates experimental osteoarthritis via enhanced IL-36R signaling

Project description:To investigate skin aging is an important driver of experimental osteoarthritis(OA) progression in mice via enhanced IL-36 receptor (IL-36R) signaling. The supernatants from the co-culture of UV-aged mouse primary keratinocytes with synovial fibroblasts were collected to induce mouse primary articular chondrocytes (CCs) to become aging SNL CCs. On this basis, Spesolimab (100ng/ml) was added to culture aging SNL CCs to study the drug's effect on OA. We then performed gene expression profiling analysis using data obtained from RNA-seq of 3 groups: control CCs, aging SNL CCs, aging SNL CCs+Spesolimab.

2024-05-01 | GSE264103 | GEO

Aged skin exacerbates experimental osteoarthritis via enhanced IL-36R signaling

Project description:To investigate skin aging is an important driver of experimental osteoarthritis(OA) progression in mice via enhanced IL-36 receptor (IL-36R) signaling. we generated epidermis keratinocyte conditional knockout mice (IL-36Ra-cKO) with topical administration of capsid-mutant Adeno-associated virus 2 (AAV2) vector23 encoding Cre recombinase (AAV2-Cre) to IL-36Rafl/fl mice. Subsequently, epidermal skin tissues were collected from IL-36Rafl/fl and IL-36Ra-cKO mice for RNA sequencing analysis.

2024-05-31 | GSE263907 | GEO

Enhanced IL-36R signaling promotes barrier impairment and inflammation in skin and intestine

Project description:Deficiency in IL-36R antagonist caused by loss of function mutations in IL-36RN leads to DITRA (1), a rare inflammatory human disease that belongs to a subgroup of Generalized Pustular Psoriasis (GPP). Herein, we report a novel functional genetic mouse model of DITRA with enhanced IL-36R signaling analogous to one observed in DITRA patients which supports and provides new insight in our understanding of IL-36 family of molecules in regulating barrier integrity across multiple tissues. Humanized DITRA-like mice displayed increased skin inflammation in preclinical model of psoriasis, and in vivo blockade of IL-36R pathway using anti-human IL-36R antibody ameliorated IMQ-induced skin pathology at both prophylactic and therapeutic treatments. Deeper characterization of the humanized DITRA-like mice revealed that deregulated IL-36R signaling promoted tissue pathology during intestinal injury and led to impairment in mucosal restoration in the repair phase of chronic DSS-induced colitis. Blockade of IL-36R pathway significantly ameliorated DSS-induced intestinal inflammation and rescued the inability of DITRA-like mice to recover from mucosal damage in vivo. Thus, our results indicate a central role for IL-36 in regulating the pro-inflammatory responses in the skin and epithelial barrier function in the intestine suggesting a new therapeutic potential for IL-36R axis in psoriasis and at the later stages of intestinal pathology.

2020-12-18 | GSE161406 | GEO

Synovial Macrophage Activation Profiles in Experimental Knee Osteoarthritis

Project description:To investigate differences in gene expression of synovial macrophages in experimental rat knee post traumatic osteoarthritis.

2024-03-22 | GSE216932 | GEO

Rapgef3 modulates macrophage reprogramming and exacerbates synovitis and osteoarthritis under excessive mechanical loading

Project description:Rapgef3 modulates macrophage reprogramming and exacerbates synovitis and osteoarthritis under excessive mechanical loading

| PRJNA1177415 | ENA

IL-36 receptor deletion aggravates lung injury and mortality in experimental murine sepsis through epithelial

Project description:Inflammation resolution is critical for sepsis induced acute lung injury (ALI) recovery. Interleukin-36 receptor (IL-36R) is a potent anti-inflammatory factor. However, its role in ALI resolution remains unclear. We investigated the effects of IL-36R during the ALI resolution process in a murine cecal ligation and puncture (CLP)-induced ALI model. Knockout IL-36R signaling aggravates CLP-induced lung injury, as manifested by elevated bacterial load and increased neutrophils recruitment to the lung. Thereafter, we used IL-36R knockout mice to discern the source cell of IL-36R during ALI. We found that IL-36R is predominantly generated by epithelial cells during the ALI process. Furthermore, we sorted lung epithelial cells on the ALI process. IL-36R-specific loss in epithelial cells leads to apoptosis through NF-κB pathway. Together, our findings identify molecules that are likely involved in sepsis induced lung injury that may inform biomarker and therapeutic development.

2024-01-02 | GSE240924 | GEO

IL-36R stimulation of colonic mouse fibroblasts

Project description:IL-36R stimulation of colonic mouse fibroblasts

| PRJEB10270 | ENA

Upregulation of FOXD1 by YAP alleviates senescence and osteoarthritis

Project description:Cell senescence is a driver of various aging-associated disorders including osteoarthritis. Here, we identified a critical role for Yes-associated protein (YAP), a major effector of Hippo signaling, in maintaining a younger state of human mesenchymal stem cells (MSCs) and ameliorating osteoarthritis in mice. Targeted knockout of YAP in hMSCs resulted in premature cellular senescence. Mechanistically, YAP interacted with TEA domain transcriptional factor (TEAD) to activate forkhead box D1 (FOXD1) expression. YAP deficiency led to the downregulation of FOXD1, a geroprotective protein. In turn, overexpression of YAP or FOXD1 rejuvenated aged hMSCs. Moreover, intra-articular administration of lentiviral vectors encoding YAP or FOXD1 attenuated the development of osteoarthritis in mice. Collectively, our findings reveal YAP-FOXD1, a novel aging-associated regulatory axis, as a potential therapeutic target for gene therapy to alleviate osteoarthritis.

2019-02-17 | GSE110268 | GEO

Understanding the role of Type 1 diabetes mellitus in osteoarthritis

Project description:Type 1 diabetes mellitus (T1DM) affects 9.5% of the population. T1DM is characterized by severe insulin deficiency that causes hyperglycemia and leads to several systemic effects. T1DM has been suggested as a risk factor for articular cartilage damage and loss, which could expedite the development of osteoarthritis (OA). OA represents a major public health challenge by affecting 300 million people globally, yet very little is known about the correlation between T1DM and OA. In this study we aimed to understand the role of T1DM in OA by evaluating whether pre-existing T1DM exacerbates the development of knee post traumatic osteoarthritis (PTOA). Here we describe the transcriptomic differences between the knee joints of STZ injected C57BL/6J mice (T1DM) and control mice

2022-03-17 | GSE198836 | GEO

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