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Gene expression profiles analyzed using integrating RNA sequencing and microarray reveals increased inflammatory

ABSTRACT: Pigmented villonodular synovitis (PVNS) is a rare condition that involves benign proliferation of the synovial tissue and is characterized by severe joint destruction and high recurrence even after surgical resection. However, poor understanding of the pathogenesis limitsitseffective therapy.

ORGANISM(S): Homo sapiens

PROVIDER: GSE175626 | GEO | 2021/07/14

REPOSITORIES: GEO

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Gene expression profiles analyzed using integrating RNA sequencing and microarray reveals increased inflammatory response, proliferation, and osteoclastogenesis in pigmented villonodular synovitis

Project description:Pigmented villonodular synovitis (PVNS) is a rare condition that involves benign proliferation of the synovial tissue and is characterized by severe joint destruction and high recurrence even after surgical resection. However, poor understanding of the pathogenesis limitsitseffective therapy.

2021-07-14 | GSE176133 | GEO

Arthritis_RA_OA_VNS

Project description:Pigmented villonodular synovitis (PVNS) represents a rare group of lesions with morphological features suggesting an inflammatory as well as a neoplastic nature. Rheumatoid arthritis (RA) is characterized by a chronic inflammation of the synovial tissue and a tumor-like proliferation (TLP) of synovial stroma cells. Osteoarthritis (OA) shows modest inflammatory infiltrates and no TLP. All three diseases result in a progressive destruction of affected joints and remain a diagnostic difficulty because of nonspecific symptoms. This study aimed to identify molecular markers and genes correlated with the development of RA, OA, and PVNS using human whole genome cDNA microarrays and tissue samples obtained from knee surgery. Keywords: disease state analysis

2006-06-06 | GSE3698 | GEO

Transcription profiling of human enosynovial giant-cell tumor (TGCT) and pigmented villonodular synovitis (PVNS) samples

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2006-06-09 | E-SMDB-3598 | biostudies-arrayexpress

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2006-02-24 | E-GEOD-4166 | biostudies-arrayexpress

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Project description:Yorkshire pigs received untreated unilateral ACL transection through a medial arthrotomy (INJ, n=6), transection with immediate injection of 20mg triamcinolone acetonide (TRI, n=6) or no surgery (CON, n=6). Synovial membranes were harvested two weeks after the injury in the lateral knee joint compartment. The whole biopsy was homogenised for RNA extraction. The objective of the experiment was to test if intraarticular corticosteroid injection mitigates injury-induced synovitis and collagen degradation after anterior cruciate ligament transection and to characterize the synovial response using the described perturbations in combination with a functional genomics approach.

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Identification of distinct synovial fibroblast subsets associated with pain and progression of knee osteoarthritis using single-cell RNA sequencing

Project description:Synovial inflammation is associated with pain severity in patients with knee osteoarthritis (OA). The aim here was to determine in a population with knee OA, whether synovial tissue from areas associated with pain exhibited different synovial fibroblast subsets, compared to synovial tissue from sites not associated with pain. A further aim was to compare differences between early and end-stage disease synovial fibroblast subsets. Parapatellar synovitis was significantly associated with the pattern of patient-reported pain in knee OA patients. Synovial tissue from sites of patient-reported pain exhibited a differential transcriptomic phenotype, with distinct synovial fibroblast subsets in early OA and end-stage OA. Functional pathway analysis revealed that synovial tissue and fibroblast subsets from painful sites promoted fibrosis, inflammation and the growth and activity of neurons. The secretome of fibroblasts from early OA painful sites induced neurite outgrowth in dorsal root ganglion neurons. Sites of patient-reported pain in knee OA is associated with a different synovial tissue phenotype and distinct synovial fibroblast subsets. Further interrogation of these fibroblast pathotypes will increase our understanding of the role of synovitis in OA joint pain and provide a rationale for the therapeutic targeting of fibroblast subsets to alleviate pain in patients.

2021-10-20 | GSE176308 | GEO

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