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Bone marrow progenitors from animals with chronic renal failure lack capacity of in vitro proliferation.

Abstract：

BACKGROUND:An interesting way to regenerate a kidney is an autologous bone marrow transplantation. The aim of this study was to examine whether chronic kidney disease influenced bone marrow progenitors. METHODS:Wistar male rats included group I (n = 4, chronic kidney disease 1/2, CKD 1/2) that underwent right nephrectomy. In group II (n = 3, chronic kidney disease 5/6, CKD 5/6) underwent removal of the right kidney and approximately one-third of the cortex of the left kidney. Animals in the control group (n = 4) were intact. Bone marrow cells obtained from femurs were separated using a CD34 Micro-Beads magnetic isolation kit. Isolated cells were counted using a trypan blue exclusion test. Numbers of isolated cells were presented as mean values with standard deviation with P < .05 considered significant. CD34(-) cells were cultivated and observed to the passage 6. RESULTS:The CKD rat model was used for in vitro experiments. There were no differences in cell numbers isolated from control rats versus both CKD rats. No differences were observed in CD34(-) cells after separation when compared to controls. Cell morphology was similar in primary CD34(-) cultures during the first days of primary culture. CD34(-) primary cultures established from chronic renal failure rats collapsed within 2 weeks. No differences were found in CD34(+) cell number after isolation when compared with controls. These cells did not form a monolayer. Cells in cultures established from control animals resembled normal fibroblast-like morphology of mesenchymal stem cells during 3 months. CONCLUSIONS:Bone marrow cells from chronic renal failure rats showed no capacity for in vitro proliferation. We speculated that bone marrow cells obtained from renal chronic failure patients may not be useful for autologous cell transplantation.

journal_name

Transplant Proc

journal_title

Transplantation proceedings

authors

Drewa T,Joachimiak R,Kaznica A,Flisinski M,Brymora A,Manitius J

doi

10.1016/j.transproceed.2008.03.141

subject

Has Abstract

pub_date

2008-06-01 00:00:00

pages

1668-73

issue

5

eissn

0041-1345

issn

1873-2623

pii

S0041-1345(08)00397-7

journal_volume

40

pub_type

杂志文章

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