The kidney in diabetes: Dynamic pathways of injury and repair. The Camillo Golgi Lecture 2007

P. Fioretto, M. L. Caramori, M. Mauer

Research output: Contribution to journalReview articlepeer-review

101 Scopus citations


Diabetic nephropathy is the most common cause of end-stage renal disease (ESRD). The natural history of diabetic nephropathy has changed over the last decades, as a consequence of better metabolic and blood pressure management. Thus, it may now be possible to delay or halt the progression towards ESRD in patients with overt diabetic nephropathy, and the decline of renal function is not always inexorable and unavoidable. Also, the rate of progression from microalbuminuria to overt nephropathy is much lower than originally estimated in the early 80s. Furthermore, there is now evidence that it is possible, in humans, to obtain reversal of the established lesions of diabetic nephropathy. This review focuses on the contribution of kidney biopsy studies to the understanding of the pathogenesis and natural history of diabetic nephropathy and the identification of patients at high risk of progression to ESRD. The classic lesions of diabetic nephropathy and the well-established structural-functional relationships in type 1 diabetes will be briefly summarised and the renal lesions leading to renal dysfunction in type 2 diabetes will be described. The relevance of these biopsy studies to diabetic nephropathy pathogenesis will be outlined. Finally, the evidence and the possible significance of reversibility of diabetic renal lesions will be discussed, as well as future directions for research in this field.

Original languageEnglish (US)
Pages (from-to)1347-1355
Number of pages9
Issue number8
StatePublished - Aug 2008

Bibliographical note

Funding Information:
Acknowledgements P. Fioretto was a recipient of a Juvenile Diabetes Research Foundation International (JDRFI) Research Fellowship grant and a Career Development Award. M. L. Caramori was previously supported by a JDRFI Research Fellowship grant and is currently the recipient of a JDRFI Career Development Award. This work was supported in part by grants from the Italian Ministry of Health (RF 2001–2005) and the Italian Ministry of University and Research (FIRB 2002–2006), the National Institutes of Health (DK 13083, DK 54638 and DK 51975), and the National Center for Research Resources (M01-RR00400). We are most grateful to all of the patients who volunteered for these studies and to our many collaborators, technicians and clinical research coordinators who were critical to these studies.


  • Morphometric analysis
  • Renal structure
  • Type 1 diabetes
  • Type 2 diabetes

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