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MB Sample ID: SA272304
| Local Sample ID: | RF32 |
| Subject ID: | SU002813 |
| Subject Type: | Mammal |
| Subject Species: | Mus musculus |
| Taxonomy ID: | 10090 |
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Collection:
| Collection ID: | CO002806 |
| Collection Summary: | All animal studies were performed under the protocol approved by the Institutional Animal Care and Use Committee (IACUC) of Boston Children’s Hospital (BCH). Mice (CD-1 males) kept in circadian cabinet housing with 12-hour light cycle (7 a.m. on/ 7 p.m. off) aged 8 weeks (N =16 at each time—9 a.m. and 9 p.m.), were decapitated and brain tissue was immediately dissected and frozen on dry ice. ChP were extracted by brief sonication in either 200µl 80% LC/MS-grade methanol extraction solvent or 200µl of ”FB” extraction solvent (80% LC/MS-grade methanol, 20% 25 mM Ammonium Acetate and 2.5 mM Na-Ascorbate prepared in LC/MS water and supplemented with isotopically labeled internal standards (17 amino acids and isotopically labelled reduced glutathione, Cambridge Isotope Laboratories, MSK-A2-1.2 and CNLM-6245-10). After centrifugation for 10 min at maximum speed on a benchtop centrifuge (Eppendorf) the cleared supernatant was dried using a nitrogen dryer and reconstituted in 20 µl water (supplemented with QReSS, Cambridge Isotope Laboratories, MSK-QRESS-KIT) by brief vortexing. Extracted metabolites were spun again and cleared supernatant was transferred to LC-MS micro vials. A small amount of each sample was pooled and serially diluted 3- and 10-fold to be used as quality controls throughout the run of each batch. |
| Sample Type: | Choroid Plexus |
