Kouri, J.B., and C. Lavalle. 2006. Do chondrocytes undergo “activation” and “transdifferentiation” during the pathogenesis of osteoarthritis? A review of the ultrastructural and immunohistochemical evidence. Histology and Histopathology 21: 793–802.
CAS
PubMed
Google Scholar
Loeser, R.F., S.R. Goldring, C.R. Scanzello, et al. 2012. Osteoarthritis: a disease of the joint as an organ. Arthritis and Rheumatism 64: 1697–1707.
PubMed Central
PubMed
Article
Google Scholar
Siebelt, M., H. Jahr, H.C. Groen, et al. 2013. Hsp90 inhibition protects against biomechanically induced osteoarthritis in rats. Arthritis and Rheumatism 65: 2102–2112.
CAS
PubMed
Article
Google Scholar
Goldring, M.B. 2000. The role of the chondrocyte in osteoarthritis. Arthritis and Rheumatism 43: 1916–1926.
CAS
PubMed
Article
Google Scholar
Wang, M., E.R. Sampson, H. Jin, et al. 2013. MMP13 is a critical target gene during the progression of osteoarthritis. Arthritis Research & Therapy 15: R5.
CAS
Article
Google Scholar
Roach, H.I., N. Yamada, K.S. Cheung, et al. 2005. Association between the abnormal expression of matrix-degrading enzymes by human osteoarthritic chondrocytes and demethylation of specific CpG sites in the promoter regions. Arthritis and Rheumatism 52: 3110–3124.
CAS
PubMed
Article
Google Scholar
Kaspiris, A., L. Khaldi, T.B. Grivas, et al. 2013. Subchondral cyst development and MMP-1 expression during progression of osteoarthritis: an immunohistochemical study. Orthopaedics & Traumatology, Surgery & Research 99: 523–529.
CAS
Article
Google Scholar
Kobayashi, Y. 2010. The regulatory role of nitric oxide in proinflammatory cytokine expression during the induction and resolution of inflammation. Journal of Leukocyte Biology 88: 1157–1162.
CAS
PubMed
Article
Google Scholar
Melchiorri, C., R. Meliconi, L. Frizziero, et al. 1998. Enhanced and coordinated in vivo expression of inflammatory cytokines and nitric oxide synthase by chondrocytes from patients with osteoarthritis. Arthritis and Rheumatism 41: 2165–2174.
CAS
PubMed
Article
Google Scholar
Tomita, M., E.F. Sato, M. Nishikawa, et al. 2001. Nitric oxide regulates mitochondrial respiration and functions of articular chondrocytes. Arthritis and Rheumatism 44: 96–104.
CAS
PubMed
Article
Google Scholar
Cake, M.A., R.C. Appleyard, R.A. Read, et al. 2003. Topical administration of the nitric oxide donor glyceryl trinitrate modifies the structural and biomechanical properties of ovine articular cartilage. Osteoarthritis and Cartilage 11: 872–878.
CAS
PubMed
Article
Google Scholar
Marcu, K.B., M. Otero, E. Olivotto, et al. 2010. NF-kappaB signaling: multiple angles to target OA. Current Drug Targets 11: 599–613.
CAS
PubMed Central
PubMed
Article
Google Scholar
Saklatvala, J. 2007. Inflammatory signaling in cartilage: MAPK and NF-kappaB pathways in chondrocytes and the use of inhibitors for research into pathogenesis and therapy of osteoarthritis. Current Drug Targets 8: 305–313.
CAS
PubMed
Article
Google Scholar
Stites, T.E., A.E. Mitchell, and R.B. Rucker. 2000. Physiological importance of quinoenzymes and the O-quinone family of cofactors. Journal of Nutrition 130: 719–727.
CAS
PubMed
Google Scholar
Salisbury, S.A., H.S. Forrest, W.B. Cruse, et al. 1979. A novel coenzyme from bacterial primary alcohol dehydrogenases. Nature 280: 843–844.
CAS
PubMed
Article
Google Scholar
Felton, L.M., and C. Anthony. 2005. Biochemistry: role of PQQ as a mammalian enzyme cofactor? Nature 433: E10. discussion E11-12.
CAS
PubMed
Article
Google Scholar
Killgore, J., C. Smidt, L. Duich, et al. 1989. Nutritional importance of pyrroloquinoline quinone. Science 245: 850–852.
CAS
PubMed
Article
Google Scholar
Steinberg, F., T.E. Stites, P. Anderson, et al. 2003. Pyrroloquinoline quinone improves growth and reproductive performance in mice fed chemically defined diets. Experimental Biology and Medicine (Maywood, N.J.) 228: 160–166.
CAS
Google Scholar
Bauerly, K.A., D.H. Storms, C.B. Harris, et al. 2006. Pyrroloquinoline quinone nutritional status alters lysine metabolism and modulates mitochondrial DNA content in the mouse and rat. Biochimica et Biophysica Acta 1760: 1741–1748.
CAS
PubMed
Article
Google Scholar
Stites, T., D. Storms, K. Bauerly, et al. 2006. Pyrroloquinoline quinone modulates mitochondrial quantity and function in mice. Journal of Nutrition 136: 390–396.
CAS
PubMed
Google Scholar
Bauerly, K., C. Harris, W. Chowanadisai, et al. 2011. Altering pyrroloquinoline quinone nutritional status modulates mitochondrial, lipid, and energy metabolism in rats. PLoS ONE 6: e21779.
CAS
PubMed Central
PubMed
Article
Google Scholar
Sampson, E.R., C.A. Beck, J. Ketz, et al. 2011. Establishment of an index with increased sensitivity for assessing murine arthritis. Journal of Orthopaedic Research 29: 1145–1151.
PubMed Central
PubMed
Article
Google Scholar
Shiomi, T., V. Lemaitre, J. D’Armiento, et al. 2010. Matrix metalloproteinases, a disintegrin and metalloproteinases, and a disintegrin and metalloproteinases with thrombospondin motifs in non-neoplastic diseases. Pathology International 60: 477–496.
CAS
PubMed Central
PubMed
Article
Google Scholar
Daheshia, M., and J.Q. Yao. 2008. The interleukin 1beta pathway in the pathogenesis of osteoarthritis. Journal of Rheumatology 35: 2306–2312.
CAS
PubMed
Article
Google Scholar
Takada, M., M. Sumi, A. Maeda, et al. 2012. Pyrroloquinoline quinone, a novel protein tyrosine phosphatase 1B inhibitor, activates insulin signaling in C2C12 myotubes and improves impaired glucose tolerance in diabetic KK-A(y) mice. Biochemical and Biophysical Research Communications 428: 315–320.
CAS
PubMed
Article
Google Scholar
Kimura, K., M. Takada, T. Ishii, et al. 2012. Pyrroloquinoline quinone stimulates epithelial cell proliferation by activating epidermal growth factor receptor through redox cycling. Free Radical Biology and Medicine 53: 1239–1251.
CAS
PubMed
Article
Google Scholar
Zhang, L., J. Liu, C. Cheng, et al. 2012. The neuroprotective effect of pyrroloquinoline quinone on traumatic brain injury. Journal of Neurotrauma 29: 851–864.
PubMed Central
PubMed
Article
Google Scholar
Burrage, P.S., K.S. Mix, and C.E. Brinckerhoff. 2006. Matrix metalloproteinases: role in arthritis. Frontiers in Bioscience 11: 529–543.
CAS
PubMed
Article
Google Scholar
Rousset, F., M.V. Nguyen, L. Grange, et al. 2013. Heme oxygenase-1 regulates matrix metalloproteinase MMP-1 secretion and chondrocyte cell death via Nox4 NADPH oxidase activity in chondrocytes. PLoS ONE 8: e66478.
CAS
PubMed Central
PubMed
Article
Google Scholar
Kim, S.J., J.W. Ju, C.D. Oh, et al. 2002. ERK-1/2 and p38 kinase oppositely regulate nitric oxide-induced apoptosis of chondrocytes in association with p53, caspase-3, and differentiation status. Journal of Biological Chemistry 277: 1332–1339.
CAS
PubMed
Article
Google Scholar