Abstract
Background
Serum cystatin C is not only a marker of renal function but also acts as an independent risk factor for cardiovascular damage, heart failure, and death. It is known that the initiation and progression of these cardiovascular events contributes to renal dysfunction and chronic inflammation. In this study, we investigated the relationship between cystatin C and proinflammatory cytokines.
Methods
Eighty-eight patients with essential hypertension participated in the study, which involved measuring proinflammatory cytokines, tumor necrosis factor (TNF)-α, interleukin (IL)-6, and C reactive protein (CRP).
Results
Positive correlations were detected between cystatin C and estimated glomerular filtration rate (eGFR) (r = −0.503, p < 0.001), systolic blood pressure (r = −0.246, p = 0.034), and pulse pressure (r = −0.295, p = 0.010). In contrast, serum creatinine correlated only with eGFR (r = −0.755, p < 0.001) and eGFR correlated only with age (r = −0.339, p = 0.001) and not with the other clinical parameters, whereas cystatin C also correlated with log natural (ln) IL-6 (r = −0.247, p = 0.033) and ln TNF-α (r = −0.405, p < 0.001) but not with CRP (r = −0.188, p = 0.108). In contrast, plasma creatinine and eGFR did not correlate with any of these proinflammatory cytokines. Stepwise regression analysis showed that ln TNF-α, eGFR and pulse pressure were independent determinants of serum cystatin C concentration.
Conclusion
This study showed that cystatin C is a marker of inflammation as well as renal function.
Similar content being viewed by others
References
Newman DJ, Thakkar H, Edwards RG, Wilkie M, White T, Grubb AO, et al. Serum cystatin C measured by automated immunoassay: a more sensitive marker of changes in GFR than serum creatinine. Kidney Int. 1995;47:312–8.
Kyhse-Andersen J, Schmidt C, Nordin G, Andersson B, Nilsson-Ehle P, Lindström V, et al. Serum cystatin C, determined by a rapid, automated particle-enhanced turbidimetric method, is a better marker than serum creatinine for glomerular filtration rate. Clin Chem. 1994;40:1921–6.
Abrahamson M, Olafsson I, Palsdottir A, Ulvsbäck M, Lundwall A, Jensson O, et al. Structure and expression of the human cystatin C gene. Biochem J. 1990;268:287–94.
Simonsen O, Grubb A, Thysell H. The blood serum concentration of cystatin C (gamma-trace) as a measure of the glomerular filtration rate. Scand J Clin Lab Invest. 1985;45:97–101.
Tian S, Kusano E, Ohara T, Tabei K, Itoh Y, Kawai T, et al. Cystatin C measurement and its practical use in patients with various renal diseases. Clin Nephrol. 1997;48:104–8.
Grubb A, Simonsen O, Sturfelt G, Truedsson L, Thysell H. Serum concentration of cystatin C, factor D and b2-microglobulin as a measure of glomerular filtration rate. Acta Med Scand. 1985;218:499–503.
Ross R. Atherosclerosis: an inflammatory disease. N Engl J Med. 1999;340:115–26.
Libby P. Inflammation in atherosclerosis. Nature. 2002;420:868–74.
Lacy F, O’Connor DT, Schmid-Schönbein GW. Plasma hydrogen peroxide production in hypertensives and normotensive subjects at genetic risk of hypertension. J Hypertens. 1998;16:291–303.
Bautista LE, Vera LM, Arenas IA, Gamarra G. Independent association between inflammatory markers (C-reactive protein, interleukin-6, and TNF-alpha) and essential hypertension. J Hum Hypertens. 2005;19:149–54.
Chae CU, Lee RT, Rifai N, Ridker PM. Blood pressure and inflammation in apparently healthy men. Hypertension. 2001;38:399–403.
Bautista LE, López-Jaramillo P, Vera LM, Casas JP, Otero AP, Guaracao AI. Is C-reactive protein an independent risk factor for essential hypertension? J Hypertens. 2001;19:857–61.
O’Hare AM, Newman AB, Katz R, Fried LF, Stehman-Breen CO, Seliger SL, et al. Cystatin C and incident peripheral arterial disease events in the elderly: results from the Cardiovascular Health Study. Arch Intern Med. 2005;165:2666–70.
Ix JH, Shlipak MG, Chertow GM, Whooley MA. Association of cystatin C with mortality, cardiovascular events, and incident heart failure among persons with coronary heart disease. data from the Heart and Soul Study. Circulation. 2007;115:173–9.
Saenak MJ, Katz R, Stehman-Breen CO, Fried LF, Jenny NS, Psaty BM, et al. Cystatin C concentration as a risk factor for heart failure in older adults. Ann Intern Med. 2005;142:497–505.
Shlipak MG, Sarnak MJ, Katz R, Fried LF, Seliger SL, Newman AB, et al. Cystatin C and the risk of death and cardiovascular events among elderly persons. N Engl J Med. 2005;352:2049–60.
Watanabe S, Okura T, Miyoshi K, Fukuoka T, Hiwada K, Higaki J. Serum cystatin C level is a marker of end-organ damage in patients with essential hypertension. Hypertens Res. 2003;26:895–9.
Keller CR, Odden MC, Fried LF, Newman AB, Angleman S, Green CA, et al. Kidney function and markers of inflammation in elderly persons without chronic kidney disease: the health, aging, and body composition study. Kidney Int. 2008;71:239–44.
Watanabe S, Okura T, Kurata M, Irita J, Manabe S, Miyoshi K, et al. Valsartan reduces serum cystatin C and the renal vascular resistance in patients with essential hypertension. Clin Exp Hypertens. 2006;28:451–61.
Gabay C, Kushner I. Acute-phase proteins and other systemic responses to inflammation. N Engl J Med. 1999;340:448–54.
Blake GJ, Ridker PM. Novel clinical markers of vascular wall inflammation. Circ Res. 2001;89:763–71.
Okura T, Watanabe S, Miyoshi K, Fukuoka T, Higaki J. Intrarenal and carotid hemodynamics in patients with essential hypertension. Am J Hypertens. 2004;17:240–4.
Kestenbaum B, Rudser KD, de Boer IH, Peralta CA, Fried LF, Shlipak MG, et al. Differences in kidney function and incident hypertension: the multi-ethnic study of atherosclerosis. Ann Intern Med. 2008;148:501–8.
Go AS, Chertow GM, Fan D, McCulloch CE, Hsu CY. Chronic kidney disease and the risks of death, cardiovascular events, and hospitalization. N Engl J Med. 2004;351:1296–305.
Herbelin A, Ureña P, Nguyen AT, Zingraff J, Descamps-Latscha B. Elevated circulating levels of interleukin-6 in patients with chronic renal failure. Kidney Int. 1991;39:954–60.
Pereira BJ, Shapiro L, King AJ, Falagas ME, Strom JA, Dinarello CA. Plasma levels of IL-1 beta, TNF alpha and their specific inhibitors in undialyzed chronic renal failure, CAPD and hemodialysis. Kidney Int. 1994;45:890–6.
Owen WF, Lowrie EG. C-reactive protein as an outcome predictor for maintenance hemodialysis patients. Kidney Int. 1998;54:627–36.
Frendéus KH, Wallin H, Janciauskiene S, Abrahamson M. Macrophage responses to interferon-gamma are dependent on cystatin C levels. Int J Biochem Cell Biol. 2009;41:2262–9.
Knight EL, Verhave JC, Spiegelman D, Hillege HL, de Zeeuw D, Curhan GC, et al. Factors influencing serum cystatin C levels other than renal function and the impact on renal function measurement. Kidney Int. 2004;65:1416–21.
Singh D, Whooley MA, Ix JH, Ali S, Shlipak MG. Association of cystatin C and estimated GFR with inflammatory biomarkers: the Heart and Soul Study. Nephrol Dial Transplant. 2007;22:1087–92.
Stevens LA, Schmid CH, Greene T, Li L, Beck GJ, Joffe MM, et al. Factors other than glomerular filtration rate affect serum cystatin C levels. Kidney Int. 2009;75:652–60.
Acknowledgments
This work was supported by a Grant-in-Aid Scientific Research (C) awarded to TO by the Japan Society for the Promotion of Science (22590912).
Author information
Authors and Affiliations
Corresponding author
About this article
Cite this article
Okura, T., Jotoku, M., Irita, J. et al. Association between cystatin C and inflammation in patients with essential hypertension. Clin Exp Nephrol 14, 584–588 (2010). https://doi.org/10.1007/s10157-010-0334-8
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10157-010-0334-8