NDLI: Development of renal atrophy in murine 2 kidney 1 clip hypertension is strain independent.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Kashyap, Sonu Boyilla, Rajendra Zaia, Paula J. Ghossan, Roba Nath, Karl A. Textor, Stephen C. Lerman, Lilach O. Grande, Joseph P.
Description	Country affiliation: United States Author Affiliation: Kashyap S ( Department of Laboratory Medicine & Pathology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA.); Boyilla R ( Department of Laboratory Medicine & Pathology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA.); Zaia PJ ( Fundacao Lusiada-UNILUS Rua Oswaldo Cruz, 179 11045-101 Boqueirao-Santos, SP, Brazil.); Ghossan R ( Saint Joseph University, Rue de Damas, Beirut, Lebanon.); Nath KA ( Division of Nephrology & Hypertension Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA.); Textor SC ( Division of Nephrology & Hypertension Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA.); Lerman LO ( Division of Nephrology & Hypertension Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA.); Grande JP ( Department of Laboratory Medicine & Pathology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA)
Abstract	The murine 2-kidney 1-clip (2K1C) model has been used to identify mechanisms underlying chronic renal disease in human renovascular hypertension. Although this model recapitulates many of the features of human renovascular disease, strain specific variability in renal outcomes and animal-to-animal variation in the degree of arterial stenosis are well recognized limitations. In particular, the C57BL/6J strain is considered to be resistant to chronic renal damage in other models. Our objectives were to determine strain dependent variations in renal disease progression and to identify parameters that predict renal atrophy in murine 2K1C hypertension. We used a 0.20mm polytetrafluoroethylene cuff to establish RAS in 3 strains of mice C57BL/6J (N=321), C57BLKS/J (N=177) and129Sv (N=156). The kidneys and hearts were harvested for histopathologic analysis after 3days or after 1, 2, 4, 6, 7, 11 or 17weeks. We performed multivariate analysis to define associations between blood pressure, heart and kidney weights, ratio of stenotic kidney/contralateral kidney (STK/CLK) weight, percent atrophy (% atrophy) and plasma renin content. The STK of all 3 strains showed minimal histopathologic alterations after 3days, but later developed progressive interstitial fibrosis, tubular atrophy, and inflammation. The STK weight negatively correlated with maximum blood pressure and % atrophy, and positively correlated with STK/CLK ratio. RAS produces severe chronic renal injury in the STK of all murine strains studied, including C57BL/6J. Systolic blood pressure is negatively associated with STK weight, STK/CLK ratio and positively with atrophy and may be used to assess adequacy of vascular stenosis in this model.
File Format	HTM / HTML
ISSN	00345288
Journal	Research in Veterinary Science
Volume Number	107
e-ISSN	15322661
Language	English
Publisher	Elsevier
Publisher Date	2016-08-01
Publisher Place	Great Britain (UK)
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Veterinary Medicine
Content Type	Text
Resource Type	Article
Subject	Veterinary

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