PMID: 22338911Feb 22, 2012Paper

Autologous bone marrow cell infusion therapy for liver cirrhosis--now and future

Rinsho byori. The Japanese journal of clinical pathology
Isao Sakaida

Abstract

Infused (transplanted) green fluorescent protein (GFP)-positive bone marrow cells (BMCs) migrated into the peri-portal regions of the cirrhotic mouse liver induced continuous CCl4 injection without irradiation (without bone marrow ablation). The infused GFP-positive BMCs differentiated into hepatoblasts detected with Liv2-antibody and then differentiated into albumin-producing hepatocytes. The differentiation "niche" induced by persistent liver damage due to continuous CCl4 injection seems to be an essential factor. Microarry analysis showed that at an early stage after BMC infusion through mouse tail vein, the genes related to degradation of extracellular matrix (ECM) e.g. MMP-9 were activated. BMC infusion improved liver fibrosis and the survival rate. Recent our finding indicates that mesencymal bone marrow cells will differentiate to hepatocytes and FGF2 will accelerate this differentiation of BMC to hepatocyte. Based on the results obtained in basic research using the GFP/CCl4 model, human trials are now undergoing. We have done this autologous bone marrow cell infusion therapy for 19 patients with advanced liver cirrhosis. The clinical study of liver cirrhosis (LC) cases that underwent autologous bone marrow cell infusion...Continue Reading

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