
Objective.Osteoporosis is a growing healthcare burden. By identifying osteoporosis-promoting genetic variations, we can spotlight targets for new pharmacologic therapies that will improve patient outcomes. In this metaanalysis, we analyzed mesenchymal stem cell (MSC) biomarkers in patients with osteoporosis.Methods.We employed our Search Tag Analyze Resource for the Gene Expression Omnibus (STARGEO) platform to conduct a metaanalysis to define osteoporosis pathogenesis. We compared 15 osteoporotic and 14 healthy control MSC samples. We then analyzed the genetic signature in Ingenuity Pathway Analysis.Results.The top canonical pathways identified that were statistically significant included the serine peptidase inhibitor kazal type 1 pancreatic cancer pathway, calcium signaling, pancreatic adenocarcinoma signaling, axonal guidance signaling, and glutamate receptor signaling. Upstream regulators involved in this disease process includedESR1, dexamethasone,CTNNβ1, CREB1, andERBB2.Conclusion.Although there has been extensive research looking at the genetic basis for inflammatory arthritis, very little literature currently exists that has identified genetic pathways contributing to osteoporosis. Our study has identified several important genes involved in osteoporosis pathogenesis includingESR1, CTNNβ1, CREB1, andERBB2. ESR1has been shown to have numerous polymorphisms, which may play a prominent role in osteoporosis. The Wnt pathway, which includes theCTNNβ1gene identified in our study, plays a prominent role in bone mass regulation. Wnt pathway polymorphisms can increase susceptibility to osteoporosis. Our analysis also suggests a potential mechanism forERBB2in osteoporosis through Semaphorin 4D (SEMA4D). Our metaanalysis identifies several genes and pathways that can be targeted to develop new anabolic drugs for osteoporosis treatment.
Bone Density, Receptor, ErbB-2, Estrogen Receptor alpha, Humans, Osteoporosis, Mesenchymal Stem Cells, Cyclic AMP Response Element-Binding Protein, Wnt Signaling Pathway, beta Catenin
Bone Density, Receptor, ErbB-2, Estrogen Receptor alpha, Humans, Osteoporosis, Mesenchymal Stem Cells, Cyclic AMP Response Element-Binding Protein, Wnt Signaling Pathway, beta Catenin
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