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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Cell+Mol+Med
2014 ; 18
(6
): 1194-202
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Gr-1+CD11b+ myeloid cells efficiently home to site of injury after intravenous
administration and enhance diabetic wound healing by neoangiogenesis
#MMPMID24645717
Tong X
; Lv G
; Huang J
; Min Y
; Yang L
; Lin PC
J Cell Mol Med
2014[Jun]; 18
(6
): 1194-202
PMID24645717
show ga
Vascularization is an important factor that affects diabetic wound healing. There
is increasing evidence that myeloid cell lineages play a role in
neovascularization. In this study, the efficiency of Gr-1+CD11b+ myeloid cells to
home to the site of injury and enhance diabetic wound healing by neoangiogenesis
after intravenous administration was investigated. Gr-1+CD11b+ myeloid cells were
injected into tail vein after establishment of dorsal window chamber, hindlimb
ischaemia and ear-punch injury in diabetic or non-diabetic mice. The Gr-1+CD11b+
myeloid cells efficiently homed to the site of injury after intravenous
administration and increased neoangiogenesis. The chemokine receptor type 4
(CXCR4) is robustly expressed by Gr-1+CD11b+ myeloid cells. Inhibition of CXCR4
decreases the homing ability of Gr-1+CD11b+ myeloid cells to the site of injury,
which indicates that the CXCR4/SDF-1 axis plays an important role in the homing
of Gr-1+CD11b+ myeloid cells to the site of injury. In addition, Gr-1+CD11b+
myeloid cells were found to improve blood flow recovery of ischaemic limb and
enhance wound healing in diabetic mice by neoangiogenesis after intravenous
administration. Taken together, the results of this study suggest that
Gr-1+CD11b+ myeloid cells may serve as a potential cell therapy for diabetic
wound healing.