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Park, J., Ryu, D.R., Li, J.J., Jung, D.S., Kwak, S.J., Lee, S.H., Yoo, T.H., Han, S.H., Lee, J.E., Kim, D.K., Moon, S.J., Kim, K., Han, D.S. and Kang, S.W. (2008) MCP-1/ CCR2 system is involved in high glucose-induced fibronectin and type IV collagen expression in cultured mesangial cells. American Journal of Physiology—Renal Physiology, 295, F749-F757. doi:10.1152/ajprenal.00547.2007

has been cited by the following article:

• TITLE: Urinary type IV collagen excretion predicts an increased urinary albumin-to-creatinine ratio in normoalbuminuric patients with diabetes

  AUTHORS: Susumu Ogawa, Masato Matsushima, Masashi Okamura, Miho Senda, Takuya Sakamoto, Kazuhiro Nako, Sadayoshi Ito

  KEYWORDS: Type IV Collagen; Diabetic Nephropathy; Oxidative Stress; Monocyte Chemoattractant Protein-1

  JOURNAL NAME: Journal of Diabetes Mellitus, Vol.2 No.4, November 27, 2012

  ABSTRACT: Aims: We evaluated whether urinary excretion of type IV collagen (U-COL) may predict an increase in the urinary albumin-to-creatinine ratio (ACR) and what factors regulate U-COL in 145 normoalbuminuric patients with type 2 diabetes. Methods: We measured HbA1c, systolic blood pressure (SBP), urinary 8-hydroxydeoxyguanosine (8-OHdG) and monocyte chemoattractant protein (MCP)-1 at start of this study (Baseline), ACR and U-COL in addition to these measurements at one year later (Evaluation-1), and ACR and SBP after two years of the Evaluation-1 (Evaluation-2). The relationships were investigated between the increase of ACR and the U-COL. The effect of angiotensin receptor blockers (ARB) treatment on the correlations between U-COL and ACR at Evaluation-2 on one hand, and between U-COL and percent change of ACR on the other, was also analyzed. Furthermore, we investigated whether the increase in 8-OHdG and in MCP-1 in a year prior to the Evaluation-1 were risk factors of the rise in U-COL levels. Results: Both U-COL and SBP at Evaluation-1, but not ARB treatment, were independent risk factors for an increased ACR after 2 years. ARB treatment significantly suppressed the increase in ACR after 2 years in patients with higher U-COL excretion. The percentage changes in 8-OHdG (%8-OHdG) and MCP-1 (%MCP-1) in one year prior to Evaluation-1 measurements are independent risk factors for U-COL. HbA1c and SBP values one year prior to Evaluation-1 are independent risk factors not only for %8-OHdG but also, for baseline U-COL. The %8-OHdG is an independent risk factor for %MCP-1. Conclusions: U-COL may predict an increase in the ACR. The U-COL seems to be increased with oxidative stress and inflammation induced by past hyperglycemia.