Abstract
Purpose
Urinary excretion of beta2-microglobulin (beta2-MG), albumin, immunoglobulin G (IgG) and protein was examined in patients with Balkan endemic nephropathy (BEN), glomerulonephritis (GN) and healthy controls.
Methods
The proteins were measured in morning urine samples from 74 patients with BEN, 50 healthy persons and 22 patients with GN.
Results
In BEN patients, median values for albumin, beta2-MG and protein were above upper normal limits, but median IgG was inside normal range. All patients with GN had microalbuminuria (MAU) and half of them had increased urinary beta2-MG, which was also found in eleven patients with increased urinary IgG. In BEN patients, there were significant negative correlations between eGFR and all measured urinary proteins, the composition of which changed during the course of BEN. In patients with eGFR > 60 ml/min/1.73 m2 isolated beta2-MG was the most frequent finding (10/12 patients), but MAU was present in 4/12 patients. In BEN patients with eGFR between 30 and 59 ml/min/1.73 m2, beta2-MG appeared as often as the combination of beta2-MG and albumin and isolated MAU. Out of 49 BEN patients with eGFR > 30 ml/min/1.73 m2 15 had increased urinary IgG either alone (1) or together with beta2-MG (3) or albumin (3) or beta2-MG and albumin (8). In BEN patients with GFR < 30 ml/min/1.73 m2 only 1/25 had isolated beta2-MG but increased urinary IgG with increased beta2-MG, and albumin was the most frequent.
Conclusion
Although low-molecular weight proteinuria was the most frequent urinary finding in BEN patients, MAU was frequently detected in advanced stages of BEN but also in some patients with eGFR > 60 ml/min/1.73 m2. IgG was increasingly found as eGFR decreased.
Similar content being viewed by others
References
Stefanović V, Mitić-Zlatković M, Čukuranović R, Miljković P, Pavlović NM, Vlahović P (1991) Β2-microglobulin in patients with Balkan nephropathy and in healthy members of their families. Kidney Int 40(Suppl.34):S21–S26
Čvorišćec D (2000) Early diagnosis of endemic nephropathy. Clin Chim Acta 297:85–91
Dimitrov P, Tsolova S, Georgieva R, Bozhilova D, Simeonov V, Bonev A, Karmaus W (2006) Clinical markers in adult offspring of families with and without Balkan endemic nephropathy. Kidney Int 69:723–729
Imamovic G, Batuman V, Sinanovic O, Trnacevic S, Mesic E, Zerem E, Osmanovic E (2008) Microalbuminuria as a possible marker of risk of Balkan endemic nephropathy. Nephrology (Carlton) 13:616–621
D’Amico G, Bazzi C (2003) Pathophysiology of proteinuria. Kidney Int 63:809–825
Christensen EI, Birn H, Verroust P, Moestrup SK (1998) Membrane receptors for endocytosis in the renal proximal tubule. Int Rev Cytol 180:237–284
Bakoush O, Grubb A, Rippe B, Tencer J (2001) Urine excretion of protein HC in proteinuric glomerular diseases correlates to urine IgG but not to albuminuria. Kidney Int 60:1904–1909
Stefanovic V, Cukuranovic R, Djordjevic V, Jovanovic I, Lecic N, Rajic M (2009) Tubular marker excretion in children from families with Balkan nephropathy. Pediatr Nephrol 24:2155–2166
Stefanović V, Jelaković B, Čukuranović R, Bukvić D, Nikolić J, Lukić L, Gluhovschi G, Toncheva D, Polenaković M, Cosyns JP (2007) Diagnostic criteria for Balkan endemic nephropathy: proposal by an international panel. Ren Fail 29:867–880
Djukanović L, Marinković J, Marić I, Ležaić V, Dajak M, Petronić D, Matić M, Bukvić D (2008) Contribution to the definition of diagnostic criteria for Balkan endemic nephropathy. Nephrol Dial Transplant 23:3932–3938
National Kidney Foundation (2002) K/DOQI clinical practice guidelines for chronic kidney disease: evaluation, classification and stratification. Am J Kidney Dis 39(2 Suppl 1):S1–S266
(1999) European best practice guidelines for the management of anaemia in patients with chronic renal failure. Working Party for European Best Practice Guidelines for the Management of Anaemia in Patients with Chronic Renal Failure. Nephrol Dial Transplant 14(Suppl 5):1–50
Schlessinger SD, Tankersley MR, Curtis JJ (1994) Clinical documentation of end-stage renal disease due to hypertension. Am J Kidney Dis 23:655–660
Hall PW, Gaon J, Griggs PC, Piscator M, Popović N, Vasiljević M, Zimonjić B (1967) The use of electrophoretic analysis of urinary protein excretion to identify early involvement in endemic nephropathy. In: Wolstenholme GEW, Knight J (eds) Ciba Foundation Study Group No. 30. The Balkan Nephropathy. Churchill, London, UK, pp 72–83
Bruckner I, Stoica G, Serban M (1967) Studies on urinary proteins. In: Wolstenholme GEW, Knight J (eds) Ciba Foundation Study Group No. 30. The Balkan Nephropathy. Churchill, London, UK, pp 15–20
Radošević Z, Traeger J, Radonić M, Manuel Y, Revillard JP (1968) Etude elctrophoretique de la proteinurie de 31 sujet crates vivant en pays de nephropathie endemique. J Urol Nephrol 74:703–710
Traeger J, Radošević Z, Radonić M, Manuel Y, Keler M, Mihelćić, Čeović S (1972) A study of proteinuria in patients with endemic nephropathy. Second symposium on endemic nephropathy. Sofia. p 9
Bruckner I, Nichifor F, Rusu G (1981) Endemic nephropathy in Romania. In: Strahinjic S, Stefanovic V (eds) Endemic (Balkan) Nephropathy, Proceedings of 4th Symposium, Niš 1979. Institute of Nephrology Haemodialysis, Niš, pp 11–19
Čvorišćec D, Radonić M, Čeović S, Aleraj B (1983) Characteristics of proteinuria in endemic nephropathy. J Clin Chem Clin Biochem 21:569–571
Raičević S, Trnačević S, Hranisavljević J, Vučelić D (1991) Renal function, protein excretion, and pathology of Balkan endemic nephropathy. II. Protein excretion. Kidney Int 40(Suppl. 34):S52–S56
Karlsson FA, Lenkei R (1977) Urinary excretion of albumin and beta2-microglobulin in population from an area where Balkan nephropathy is endemic. Scand J Clin Lab Invest 37:169–173
Miljkovic P, Strahinjic S, Hall PW, Djordjevic V, Mitic-Zlatkovic M, Stefanovic V (1991) Urinary protein excretion in children from families with Balkan nephropathy. Kidney Int 40(Suppl 34):S27–S31
Stefanovic V, Cukuranovic R, Mitic-Zlatkovic M, Hall PW (2002) Increased urinary albumin excretion in children from families with Balkan nephropathy. Pediatr Nephrol 17:913–916
Stefanović V, Djukanović L, Cukuranović R, Bukvić D, Ležaić V, Marić I, Ogrizović SS, Jovanović I, Vlahovic P, Pešić I, Djordjević V (2011) Beta2-microglobulin and alpha1-microglobulin as markers of Balkan endemic nephropathy, a worldwide disease. Ren Fail 33:176–183
Yu Y, Jin H, Holder D, Ozer JS, Villarreal S, Shughrue P, Shi S, Figueroa DJ, Clouse H, Su M, Muniappa N, Troth SP, Bailey W, Seng J, Aslamkhan AG, Thudium D, Sistare FD, Gerhold DL (2010) Urinary biomarkers trefoil factor 3 and albumin enable early detection of kidney tubular injury. Nat Biotechnol 28(5):470–477
Sindjić M (2000) Morphological changes in kidneys affected by endemic nephropathy. In: Radovanović Z, Sindjić M, Polenaković M, Djukanović Lj, Petronić V (eds) Endemic nephropathy. Office for Textbooks and Teaching Aids, Beograd, pp 153–275
Ferluga D, Hvala A, Vizjak A, Trnavcevic S, Halibasic A (1991) Renal function, protein excretion and pathology of Balkan endemic nephropathy. III Light and electron microscopy studies. Kidney Int 40(Suppl 34):S54–S67
Čukuranović R, Stefanović N, Savić V, Stefanović V (1998) Quantitative analysis of renal changes in Balkan endemic nephropathy. Int Urol Nephrol 30:229–236
Cosyns J-P, Jadoul M, Squifflet J-P et al (1994) Chinese herbs nephropathy: a clue to Balkan endemic nephropathy? Kidney Int 45:1680–1688
Wedeen RP (1991) Environmental renal disease: lead, cadmium and Balkan endemic nephropathy. Kidney Int Suppl 34:S4–S8
Kazama I, Matsubara M, Michimata M, Suzuki M, Hatano R, Sato H, Ito S (2004) Adult onset Fanconi syndrome: extensive tubulo-interstitial lesions and glomerulopathy in the early stage of Chinese herbs nephropathy. Clin Exp Nephrol 8:283–287
Wang Y, Fu W, Wang H, Liang Y, Wang Y, Yao W, Chen W, Li Q, Ying PH, Shi X, Peng W (2012) Renal microvascular injury in chronic aristolochic acid nephropathy and protective effects of Cozaar. Ren Fail 34:60–67
Bernard AM, Roels H, Cardenas A, Lauwerys R (1990) Assessment of urinary protein 1 and transferrin as early markers of cadmium nephrotoxicity. Br J Ind Med 47:559–565
Brenner BM, Meyer TW, Hostetter TH (1982) Dietary protein intake and the progressive nature of kidney disease: the role of hemodynamically mediated glomerular injury in the pathogenesis of progressive glomerular sclerosis in aging, renal ablation, and intrinsic renal disease. N Engl J Med 307:652–659
Acknowledgments
This work was supported by Grant No 175092, from the Ministry of Education, Science and Technological Development of Serbia.
Conflict of interest
The authors have declared that no conflict of interest exists.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Djukanović, L., Djordjević, V., Ležaić, V. et al. Urinary protein patterns in patients with Balkan endemic nephropathy. Int Urol Nephrol 45, 1661–1669 (2013). https://doi.org/10.1007/s11255-013-0499-7
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s11255-013-0499-7