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Soft drinks and sugar in the diet may have negative effects on the kidneys

  • - Urology / Nephrology News
  • Nov 11, 2013
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  • Viewed: 3006
  
Tags: | hypertension | kidney failure | kidney health | protein in the urine |

Two new studies highlight the potential negative effects that soft drinks and sugar can have on kidney health. Results of these studies will be presented at ASN Kidney Week 2013 November 5-10 at the Georgia World Congress Center in Atlanta, GA.

In one study, researchers led by Ryohei Yamamoto, MD, PhD (Osaka Univ Graduate School of Medicine, in Japan) found that consuming at least two soft drinks per day is linked with proteinuria - or increased excretion of protein in the urine, which is a hallmark of kidney dysfunction. Among 3579, 3055, and 1342 university employees with normal kidney function at the start of the study who reported that they drink zero, one, and two or more soft drinks per day, 301 (8.4%), 272 (8.9%) and 144 (10.7%) employees developed proteinuria during a median of 2.9 years of follow-up, respectively.

Another study led by Agustin Gonzalez-Vicente (Case Western Reserve University) and conducted in rats found that moderate fructose intake increases the kidney’s sensitivity to angiotensin II, a protein that regulates salt balance. This leads to increased salt reabsorption by cells in the kidneys, a finding that might help explain why consumption of high-fructose corn syrup as a sweetener may contribute to the epidemic of diabetes, obesity, kidney failure, and hypertension.

Highlights

  Consuming at least two soft drinks per day is linked with increased excretion of protein in the urine.
  Moderate fructose intake increases salt reabsorption by the kidneys.

Studies: “Soft Drink Intake and Prediction of Proteinuria: A Retrospective Cohort Study.” (Abstract 2458)

Disclosures: Hiromi Rakugi has an ownership interest in and receives research funding from Astellas Pharma Inc., Daiichi Sankyo Co., Ltd., Dainippon Sumitomo Pharma Co., Ltd., Eisai Co., Ltd., Kyowa Hakko Kirin Co., Ltd., Mitsubishi Tanabe Pharma Corporation, and Mochida Pharmaceutical Co., Ltd.; and receives research funding and honoraria from MSD K. K., Nippon Boehringer Ingelheim Co., Ltd., Novartis Pharma K.K., Ono Pharmaceutical Co., Ltd., Pfizer Japan Inc., Shionogi & Co., Ltd., and Takeda Pharmaceutical Co., Ltd., (All in Japan).

“Chronic Consumption of Fructose Increases Proximal Tubular Transport by Enhancing the Sensitivity to Angiotensin II.” (Abstract 3955)

Disclosures: Jeffery L. Garvin receives honoraria from APS and NIH.

ASN Kidney Week 2013, the largest nephrology meeting of its kind, will provide a forum for 14,000 professionals to discuss the latest findings in renal research and engage in educational sessions related to advances in the care of patients with kidney and related disorders. Kidney Week 2011 will take place November 5 – 10, 2013 in Atlanta, GA.

The content of this article does not reflect the views or opinions of The American Society of Nephrology (ASN). Responsibility for the information and views expressed therein lies entirely with the author(s). ASN does not offer medical advice. All content in ASN publications is for informational purposes only, and is not intended to cover all possible uses, directions, precautions, drug interactions, or adverse effects. This content should not be used during a medical emergency or for the diagnosis or treatment of any medical condition. Please consult your doctor or other qualified health care provider if you have any questions about a medical condition, or before taking any drug, changing your diet or commencing or discontinuing any course of treatment. Do not ignore or delay obtaining professional medical advice because of information accessed through ASN. Call 911 or your doctor for all medical emergencies.

Founded in 1966, and with more than 14,000 members, the American Society of Nephrology (ASN) leads the fight against kidney disease by educating health professionals, sharing new knowledge, advancing research, and advocating the highest quality care for patients.

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Kurtis Pivert
.(JavaScript must be enabled to view this email address)
202-699-0238
American Society of Nephrology

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