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MB Sample ID: SA175398

Local Sample ID:900483-015-075
Subject ID:SU001966
Subject Type:Mammal
Subject Species:Mus musculus
Taxonomy ID:10090
Genotype Strain:C57BL/6NCrl
Age Or Age Range:92 weeks old
Gender:Male and female

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Collection:

Collection ID:CO001959
Collection Summary:Brain tissue samples were collected from 92 weeks old male and female wild type mice on a C57BL/6N background and performed under approved institutional IACUC protocols. Briefly, mice were anesthetized with 4% Isoflurane in 100% oxygen at a flow rate of 3 L/h to a surgical plane. Blood was then collected by retro-orbital bleed into an EDTA tube and centrifuged at 3000 rpm for 15 min to separate and remove plasma. While under anesthsia mice were perfused for approximately 10 minutes with phosphate buffered saline (PBS) pH 7.4 at room temperature. Following perfusion, the brain was removed and placed in a petri dish containing PBS at 4oC for dissection of individual brain regions. A dissection microscope, fine tip (#5) forceps, and razor blade was used to isolate and separate brain regions (olfactory bulb, hippocampus, hypothalamus, thalamus, midbrain, cerebellum, pons, medulla, cerebral cortex, and basal ganglia collected as caudate putamen and basal forebrain) in induvial mice while being careful to avoid contamination from neighboring regions. Briefly, after separating the olfactory bulbs, the left and right cerebral cortices were then removed while taking care not to disrupt the regions underneath. This enabled access to and removal of the left and right hippocampus. After cutting along the thalamus, the left and right caudate putamen was separated and removed from the basal forebrain. Subsequently, the cerebellum and midbrain were isolated and removed, followed by separation and removal of the thalamus and the hypothalamus from the pons and medulla. The pons was then separated from the medulla. Any spinal cord remaining on the medulla was removed. Each region was immediately placed in a cryo vial and flash frozen in liquid nitrogen for analysis.
Sample Type:Brain
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