Abstract
This was a screening study that aimed to determine the presence of nephrotoxic mycotoxins in urine samples from patients with chronic kidney disease of uncertain etiology in the North Central Province of Sri Lanka. The percentage detection of aflatoxins, ochratoxins and fumonisins in 31 patients were 61.29%, 93.5% and 19.4%, respectively. Geometric means of urinary aflatoxins and ochratoxins were 30.93 creatinine and 34.62 ng/g creatinine in chronic kidney disease of uncertain etiology stage 1–2 patients and 84.12 ng/g creatinine and 63.52 ng/g creatinine in unaffected relatives of patients. In chronic kidney disease of uncertain etiology stage 3–5 patients, geometric means of urinary aflatoxins and ochratoxins were 10.40 and 17.08 ng/g creatinine, respectively. Non-affected relatives of patients (n = 6) had comparable levels of these mycotoxins, but healthy Japanese individuals (n = 4) had lower levels than in Sri Lanka. The higher detection rate of urinary ochratoxins in Sri Lankans indicates that exposure is common in the region.
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This work was supported by special coordination funds for promoting science and technology sponsored by the Japan Science and Technology Agency. The funding agency had no role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript. The authors declare that they have no competing interests.
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This study is conducted for the Chronic Kidney Disease of Uncertain Etiology Consortium.
Please refer the Appendix section for the full list of members.
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Appendix
Nation | Collaborative institutes | Members |
---|---|---|
Sri Lanka | Faculty of Science, University of Peradeniya | Rohana Chandrajith (CP) Ayanthi Navarathna |
Faculty of Medicine, University of Peradeniya | N. Ratnatunga Dhammika Dissanayake Nimmi Aturaliya K. Jayasekara | |
Ministry of Health and Nutrition [GH Kandy (Teaching), District Hospital Medawachchiya, District Hospital Girandurukotte] | Tilak Abeysekara A.W.M. Wazeel Upul Karunaratne KU Senaviratne EDL Gunaratne | |
Institute of Fundamental Studies (IFS) | C.B. Dissanayake J.P. Padmasiri | |
C.M. Madduma Bandara | ||
Japan | Department of Health and Environmental Sciences, Kyoto University | Akio Koizumi (PI) Kouji Harada Toshiaki Hitomi Shanika Nanayakkara Lalantha Senevirathna |
Kitano Hospital | Eri Muso Toshiyuki Komiya Yoshiaki Yuba | |
Tohoku Bunkyo University | Takao Watanabe | |
Daiichi Pharmaceutical University | Koichi Haraguchi | |
Australia | University of Qeensland | Wendy Hoy Glenda Gobe Susan Mott |
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Desalegn, B., Nanayakkara, S., Harada, K.H. et al. Mycotoxin Detection in Urine Samples from Patients with Chronic Kidney Disease of Uncertain Etiology in Sri Lanka. Bull Environ Contam Toxicol 87, 6–10 (2011). https://doi.org/10.1007/s00128-011-0301-4
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DOI: https://doi.org/10.1007/s00128-011-0301-4