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Interstitial drug delivery is a promising technique for glioma treatment; however, suboptimal methodologies limit the ability to document the delivery of therapeutic agents. The present study employed magnetic resonance imaging for real-time visualization and quantitative assessment of drug diffusion in gliomas. Using gadolium-diethylenetriaminepentaacetic(More)
We proposed a novel MRI tracer-based method for the determination of water diffusion in the brain extracellular space (ECS). The measuring system was validated in 32 Sprague Dawley rats. The rats were randomly divided into four groups with different injection sites: 1) caudate nucleus (Cn.); 2) thalamus (T.); 3) cortex (Cor.); and 4) substantia nigra (Sn.).(More)
The transportation of substances in the interstitial space (ISS) is crucial for the maintenance of brain homeostasis, however its link to neuronal activity remains unclear. Here, we report a marked reduction in substance transportation in the ISS after neuronal excitation. Using a tracer-based method, water molecules in the interstitial fluid (ISF) could be(More)
Chromosome segment substitution line (CSSL) population is potential in precisely detecting and pyramiding genes/QTL/segments due to the genetic background noise removed. To exploit and utilize the favorable wild alleles, a CSSL population with 151 lines (SojaCSSLP1) was generated using a wild soybean (Glycine soja Sieb. et Zucc.) N24852 as donor parent and(More)
Amplified in breast cancer 1 (AIB1) is a member of p160 steroid receptor coactivator (SRC) family that mediates the transcriptional activities of nuclear receptors and other transcription factors. It acts as a major oncogene in diverse cancers, whereas biological function of AIB1 in gastric cancer remains largely unclear. This study was designed to explore(More)
The extracellular space (ECS) of brain is defined as an irregular channel which is located in the interstitial tissue outside the plasma membranes of neurons, and occupied by interstitial fluid (ISF). Diffusion in ECS is described by a modified diffusion equation from which several parameters can be calculated, such as the diffusion coefficient (D), the(More)
OBJECTIVE To study the morphology of middle cerebral artery (MCA) M1 segment. METHODS We selected the MRA data of 794 MCA (400 of the left side and 394 of the right side) from January 1, 2011 to June 30, 2011 consecutively and analyzed the morphology of the MCA M1 segment in axial, anteroposterior and lateral view, measured the length of the M1 segment,(More)
INTRODUCTION The M1 segment of the middle cerebral artery (MCA) is of great importance to neurosurgery and interventional radiology. The purpose of this study was to describe the M1 segment in three dimensions based on shape projection using magnetic resonance angiography (MRA). METHODS A three-view method was established and used in the retrospective(More)