Transplantation of Adipose Tissue-Derived Stem Cells into Brain Through Cerebrospinal Fluid in Rat Models: Protocol Development and Initial Outcome Data.

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Background Cell therapy is an important strategy for the treatment of incurable diseases including those that occur in the Central Nervous System (CNS). Among different strategies, the method of delivering or transplantation of cells into the brain has shown significant effects on regeneration. In this study, a new protocol has been developed for the transplantation of adipose tissuederived stem cells into the brain through Cerebrospinal Fluid (CSF) in rat models. Methods For this purpose, a wide range of ages (7-30 days old) of male neonates of Wistar rats was used. Moreover, human adipose tissue was obtained from a superficial layer of abdomen through liposuction surgery. The size of the inserted part of needle to access middle cranial fossa and subarachnoid space in animals with an average weight of 10-80 g was determined. In addition, to confirm the entrance of needle into the subarachnoid space, CSF was aspirated slowly and then injection was done within two minutes. Results The findings showed the presence of transplanted human Adipose-Derived Stem Cells (hADSC) in the cerebellum and basal ganglia following three days and also after two months that confirmed the entrance of transplanted cells into the cerebrospinal fluid and migration of them into the brain tissue. All the animals survived after the transplantation process, with the lowest side effects compared to the ava

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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