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Primary T Cell Baseline (Donor 5) - II

ABSTRACT: Labeling of cells was carried out in triplicate with each unstimulated sample containing 20e6 cells and stimulated cells containing 12.8e6 cells. Cells were deprived of glucose or glutamine for 1 h then resuspended in 10mM [13C1,2] D-glucose labeled medium. At this time cells were also activated with 1 ug/ml anti-CD3 and anti-CD28. Cells were labeled (and activated) for 12 h when 1 ml of spent medium was collected and cells were resuspended in 200 ul ice cold methanol. All samples were immediately stored in -80°C.

ORGANISM(S): Human Homo Sapiens

TISSUE(S): T-cells

DISEASE(S): Cancer

SUBMITTER: Maureen Kachman

PROVIDER: ST000144 | MetabolomicsWorkbench | Fri Mar 13 00:00:00 GMT 2015

REPOSITORIES: MetabolomicsWorkbench

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Project description:Normal donors BM CD34+ cells were differentiated in thrombopoietin-treated liquid suspension cultures. Briefly, CD34+ cells (80,000 /mL) were resuspended in a serum-free medium in the presence of 100 ng/mL of human recombinant thrombopoietin (TPO; Genzyme, Boston, MA). Every 3 days, viable cells were scored by Trypan blue dye exclusion and cultures were amplified with fresh serum-free medium. Each well was then supplemented with 100 ng/mL TPO. After 14 to 16 days of liquid culture, CD34-derived megakaryocytes (MKs) were purified by means of an anti-CD41a monoclonal antibody (MoAb) (Dako, Milan, Italy) directed against the glycoproteic *IIb-*3 complex and immunobeads (MPC 450 Dynabeads; Dynal, Oslo, Norway), as previously described (27). The purity of MKs was determined for each isolation by indirect immunofluorescence, using an anti-CD41b MoAb which reacts with a different epitope of *IIb-*3 subunit (Immunotech Inc., Westbrook, ME), followed by a goat anti-mouse IgG, covalently linked to fluorescein (Becton Dickinson, San Jose, CA). Essential Throbocytemia BM CD34+ cells were differentiated in thrombopoietin-treated liquid suspension cultures. Briefly, CD34+ cells (80,000 /mL) were resuspended in a serum-free medium in the presence of 100 ng/mL of human recombinant thrombopoietin (TPO; Genzyme, Boston, MA). Every 3 days, viable cells were scored by Trypan blue dye exclusion and cultures were amplified with fresh serum-free medium. Each well was then supplemented with 100 ng/mL TPO. After 14 to 16 days of liquid culture, CD34-derived megakaryocytes (MKs) were purified by means of an anti-CD41a monoclonal antibody (MoAb) (Dako, Milan, Italy) directed against the glycoproteic *IIb-*3 complex and immunobeads (MPC 450 Dynabeads; Dynal, Oslo, Norway), as previously described (27). The purity of MKs was determined for each isolation by indirect immunofluorescence, using an anti-CD41b MoAb which reacts with a different epitope of *IIb-*3 subunit (Immunotech Inc., Westbrook, ME), followed by a goat anti-mouse IgG, covalently linked to fluorescein (Becton Dickinson, San Jose, CA). Keywords: other

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Primary T Cell Baseline (Donor 5) - II

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