PMID- 30550036 OWN - NLM STAT- MEDLINE DCOM- 20190610 LR - 20190613 IS - 1724-5990 (Electronic) IS - 0393-5590 (Linking) VI - 35 IP - 6 DP - 2018 Dec TI - [FSGS collapsing variant during anabolic steroid abuse: Case Report]. LID - 2018-vol6 [pii] AB - Anabolic Androgenic Steroids (AAS) is an hormone family whose use has considerably increased among body-builders during the last decades. The AAS abuse, especially associated with other drugs or nutritional supplements and protein loads, may cause a variety of pathologies to several organs with a mechanism related to dosage, timing and substance. The kidney is the main metabolizer of these drugs and it can be acutely or chronically damaged with ESKD. The literature reports some cases of Focal Segmental Glomerulosclerosis (FSGS) in body-builders who abused of AAS. However, the link is not well understood and limited to some case-studies. In this paper, we report the case of a young body-builder who developed a FSGS collapsing variant with ESKD after prolonged abuse of AAS and a strongly hyperproteic diet and other dietary supplements. The patient underwent a genetic test because of the rapid and irreversibile onset of ESKD. The test showed a gene mutation of ACTN4, predisposing and causal of some genetic forms of FSGS. It was a very complex case, caused by several factors. The mutant protein of ACTN4 gene makes most vulnerable the cytoskeleton of the podocytes to external disturbances. That would explain why in those patients where the mutation has occurred, only those patients subject to "unfavorable environmental conditions", like the abuse of AAS, can develop a disease. CI - Copyright by Societa Italiana di Nefrologia SIN, Rome, Italy. FAU - Flachi, Marta AU - Flachi M AD - UO Nefrologia e Dialisi AUSL Romagna Ospedale Infermi Rimini. FAU - Menghi, Viola AU - Menghi V AD - UO Nefrologia e Dialisi AUSL Romagna Ospedale Infermi Rimini. AD - Medicina Interna ISS Repubblica di San Marino. FAU - Moschella, Maria Rita AU - Moschella MR AD - UO Nefrologia e Dialisi AUSL Romagna Ospedale Infermi Rimini. FAU - De Giovanni, Paola AU - De Giovanni P AD - UO Nefrologia e Dialisi AUSL Romagna Ospedale Infermi Rimini. FAU - Montevecchi, Marcello AU - Montevecchi M AD - UO Nefrologia e Dialisi AUSL Romagna Ospedale Infermi Rimini. FAU - Cerretani, Davide AU - Cerretani D AD - UO Nefrologia e Dialisi AUSL Romagna Ospedale Infermi Rimini. FAU - Grimaldi, Daniela AU - Grimaldi D AD - UO Nefrologia e Dialisi AUSL Romagna Ospedale Infermi Rimini. FAU - Baraldi, Olga AU - Baraldi O AD - UO Nefrologia Dialisi e Trapianto Policlinico S. Orsola-Malpighi Bologna. FAU - Fabbrizio, Benedetta AU - Fabbrizio B AD - SSD di Diagnostica Istopatologica e Molecolare degli Organi solidi e del relativo Trapianto Policlinico S. Orsola-Malpighi Bologna. FAU - La Manna, Gaetano AU - La Manna G AD - UO Nefrologia Dialisi e Trapianto Policlinico S. Orsola-Malpighi Bologna. FAU - Rigotti, Angelo AU - Rigotti A AD - UO Nefrologia e Dialisi AUSL Romagna Ospedale Infermi Rimini. LA - ita PT - Case Reports PT - Journal Article PL - Italy TA - G Ital Nefrol JT - Giornale italiano di nefrologia : organo ufficiale della Societa italiana di nefrologia JID - 9426434 RN - 0 (Dietary Proteins) RN - 0 (Testosterone Congeners) RN - WK2XYI10QM (Ibuprofen) SB - IM MH - Adult MH - Cardiomegaly/etiology MH - Dietary Proteins/adverse effects MH - Glomerulosclerosis, Focal Segmental/*chemically induced/pathology MH - Humans MH - Hypertrophy, Left Ventricular/etiology MH - Ibuprofen/adverse effects MH - Kidney Failure, Chronic/etiology MH - Kidney Glomerulus/*ultrastructure MH - Male MH - *Physical Conditioning, Human MH - Podocytes/ultrastructure MH - Substance-Related Disorders/*etiology/pathology MH - Testosterone Congeners/*adverse effects OTO - NOTNLM OT - AAS OT - ESKD OT - anabolic androgenic steroids OT - end stage kidney disease OT - focal segmental glomerulosclerosis collapsing variant EDAT- 2018/12/15 06:00 MHDA- 2019/06/14 06:00 CRDT- 2018/12/15 06:00 PHST- 2018/12/15 06:00 [entrez] PHST- 2018/12/15 06:00 [pubmed] PHST- 2019/06/14 06:00 [medline] AID - 35-6-2018-6 [pii] PST - ppublish SO - G Ital Nefrol. 2018 Dec;35(6):2018-vol6.