Delayed transplantation of human neural precursor cells improves outcome from focal cerebral ischemia in aged rats

Kunlin Jin; Xiao Ou Mao; Lin Xie; Rose B. Greenberg; Botao Peng; Alexander Moore; Maeve B. Greenberg; David A. Greenberg

doi:10.1111/j.1474-9726.2010.00638.x

Delayed transplantation of human neural precursor cells improves outcome from focal cerebral ischemia in aged rats

Kunlin Jin, Xiao Ou Mao, Lin Xie, Rose B. Greenberg, Botao Peng, Alexander Moore, Maeve B. Greenberg, David A. Greenberg

Research output: Contribution to journal › Article › peer-review

51 Scopus citations

Abstract

Neural precursor cell (NPC) transplantation may have a role in restoring brain function after stroke, but how aging might affect the brain's receptivity to such transplants is unknown. We reported previously that transplantation of human embryonic stem cell (hESC)-derived NPCs together with biomaterial (Matrigel) scaffolding into the brains of young adult Sprague-Dawley rats 3-weeks after distal middle cerebral artery occlusion (MCAO) reduced infarct volume and improved neurobehavioral performance. In this study, we compared the effect of NPC and Matrigel transplants in young adult (3-month-old) and aged (24-month-old) Fisher 344 rats from the National Institute on Aging's aged rodent colony. Distal MCAO was induced by electrocoagulation, and hESC-derived NPCs were transplanted into the infarct cavity 3-weeks later. Aged rats developed larger infarcts, but infarct volume and performance on the cylinder and elevated body swing tests, measured 6-8-weeks post-transplant, were improved by transplantation. We conclude that advanced age does not preclude a beneficial response to NPC transplantation following experimental stroke.

Original language	English
Pages (from-to)	1076-1083
Number of pages	8
Journal	Aging cell
Volume	9
Issue number	6
DOIs	https://doi.org/10.1111/j.1474-9726.2010.00638.x
State	Published - Dec 2010

Keywords

Brain
Ischemia
Neural precursor
Stroke
Transplant

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title = "Delayed transplantation of human neural precursor cells improves outcome from focal cerebral ischemia in aged rats",

abstract = "Neural precursor cell (NPC) transplantation may have a role in restoring brain function after stroke, but how aging might affect the brain's receptivity to such transplants is unknown. We reported previously that transplantation of human embryonic stem cell (hESC)-derived NPCs together with biomaterial (Matrigel) scaffolding into the brains of young adult Sprague-Dawley rats 3-weeks after distal middle cerebral artery occlusion (MCAO) reduced infarct volume and improved neurobehavioral performance. In this study, we compared the effect of NPC and Matrigel transplants in young adult (3-month-old) and aged (24-month-old) Fisher 344 rats from the National Institute on Aging's aged rodent colony. Distal MCAO was induced by electrocoagulation, and hESC-derived NPCs were transplanted into the infarct cavity 3-weeks later. Aged rats developed larger infarcts, but infarct volume and performance on the cylinder and elevated body swing tests, measured 6-8-weeks post-transplant, were improved by transplantation. We conclude that advanced age does not preclude a beneficial response to NPC transplantation following experimental stroke.",

keywords = "Brain, Ischemia, Neural precursor, Stroke, Transplant",

author = "Kunlin Jin and Mao, {Xiao Ou} and Lin Xie and Greenberg, {Rose B.} and Botao Peng and Alexander Moore and Greenberg, {Maeve B.} and Greenberg, {David A.}",

year = "2010",

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AU - Jin, Kunlin

AU - Mao, Xiao Ou

AU - Xie, Lin

AU - Greenberg, Rose B.

AU - Peng, Botao

AU - Moore, Alexander

AU - Greenberg, Maeve B.

AU - Greenberg, David A.

PY - 2010/12

Y1 - 2010/12

N2 - Neural precursor cell (NPC) transplantation may have a role in restoring brain function after stroke, but how aging might affect the brain's receptivity to such transplants is unknown. We reported previously that transplantation of human embryonic stem cell (hESC)-derived NPCs together with biomaterial (Matrigel) scaffolding into the brains of young adult Sprague-Dawley rats 3-weeks after distal middle cerebral artery occlusion (MCAO) reduced infarct volume and improved neurobehavioral performance. In this study, we compared the effect of NPC and Matrigel transplants in young adult (3-month-old) and aged (24-month-old) Fisher 344 rats from the National Institute on Aging's aged rodent colony. Distal MCAO was induced by electrocoagulation, and hESC-derived NPCs were transplanted into the infarct cavity 3-weeks later. Aged rats developed larger infarcts, but infarct volume and performance on the cylinder and elevated body swing tests, measured 6-8-weeks post-transplant, were improved by transplantation. We conclude that advanced age does not preclude a beneficial response to NPC transplantation following experimental stroke.

AB - Neural precursor cell (NPC) transplantation may have a role in restoring brain function after stroke, but how aging might affect the brain's receptivity to such transplants is unknown. We reported previously that transplantation of human embryonic stem cell (hESC)-derived NPCs together with biomaterial (Matrigel) scaffolding into the brains of young adult Sprague-Dawley rats 3-weeks after distal middle cerebral artery occlusion (MCAO) reduced infarct volume and improved neurobehavioral performance. In this study, we compared the effect of NPC and Matrigel transplants in young adult (3-month-old) and aged (24-month-old) Fisher 344 rats from the National Institute on Aging's aged rodent colony. Distal MCAO was induced by electrocoagulation, and hESC-derived NPCs were transplanted into the infarct cavity 3-weeks later. Aged rats developed larger infarcts, but infarct volume and performance on the cylinder and elevated body swing tests, measured 6-8-weeks post-transplant, were improved by transplantation. We conclude that advanced age does not preclude a beneficial response to NPC transplantation following experimental stroke.

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KW - Ischemia

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KW - Stroke

KW - Transplant

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Delayed transplantation of human neural precursor cells improves outcome from focal cerebral ischemia in aged rats

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