This article describes in vivo and in vitro methodology to characterize the thymic settling progenitors by the analysis of the kinetics of generation, phenotype and numbers of their T cell progeny.
Method Article
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| Name | Company | Catalog Number | Comments |
|---|---|---|---|
| 90 x 15 mm and 35 x 15 mm plastic tissue culture Petri dishes. | TPP | T93100/T9340 | Sampling |
| 26 G ⅜" 0.45 x 10 mm syringes with needles | BD Plastipak | 300015 | Cell suspension |
| Nylon mesh bolting cloth sterilized 50/50 mm pieces. | SEFAR NITEX | 03-100/32 | Filtration of cells |
| Ethanol 70%. | VWR | 83801.36 | Sterility actions |
| Iodide Povidone 10% (Betadine) | MEDA Pharma | 314997.8 | Sterility actions |
| Ketamine 100 mg/ml (stock solution) | MERIAL | Anesthesic | |
| Xylazine 100 mg/ml in PBS (stock solution) | Sigma | X1251-1G | Anesthesic and muscle relaxant |
| Buprenorphin 0.3 mg/ml stock solution | AXIENCE | Morphinic analgesic | |
| Ophtalmic gel (0.2% cyclosporin) | Schering-Plough Animal Health | Eye protection | |
| DPBS (+ CaCl2, MgCl2) | GIBCO Life Technology | 14040-174 | to isolate embryos |
| HBSS Hanks' Balanced Salt Solution (+ CaCl2, MgCl2) | GIBCO Life Technology | 24020-091 | to wash out the blood and dissect the embryos |
| OPTI-MEM I GlutaMAX I | GIBCO Life Technology | 51985-026 | Medium for cultures |
| Fetal calf serum | EUROBIO | CVFSVF00-0U | additive for cultures |
| Penicilin and streptomycin | GIBCO Life Technology | 15640-055 | Antibiotics for cultures |
| 2-Mercaptoethanol | GIBCO Life Technology | 31350010 | additive for cultures |
| LEICA MZ6 Dissection microscope | LEICA | MZ6 10445111 | Occular W-Pl10x/23 |
| Cold lamp source | SCHOTT VWR | KL1500 compact | Two goose neck fibers adapted |
| Silicone elastomer | World Precision Instruments | SYLG184 | Dissecting Pad |
| Spoon, round and perforated | Fine Science Tools | 10370-18 | Dissection tools |
| Fine iris scissors | Fine Science Tools | 14090-09 | Dissection tools |
| Vannas spring scissors | Fine Science Tools | 15018-10 | Dissection tools |
| Forceps: Dumont #5/45 Inox 11 cm | F.S.T. | 11253-25 | Dissection tools |
| 2 pairs of fine straight watchmakers’ forceps Dumont #5 11 cm fine tips. | Fine Science Tools | 11295-20 | Dissection tools |
| Polyamid thread with needle 6-0 C-3 3/8c | ETHICON | F2403 | for sutures |
| Needle-holder | MORIA/F.S.T. | 12060-02 | for sutures |
| Heating pad | VWR | 100229-100 | To maintain mouse temperature during anesthesy |
| Membrane Isopore RTTPO2500 | DUTSCHER | 44210 | For FTOC |
| Terasaki 60 wells plates | FISHER | 1x270 10318801 | For hanging drop technique |
| Gauze swabs steriles 7.5 x 7.5 cm | Hydrex | 11522 | To apply disinfecting solution |
| Fluorescence or biotin labelled antibodies | BD Biosciences, Biolegend or e-Biocsiences | Clone Number see table below | Staining cells |
| MACS Columns/Streptavidin Microbeads | Miltenyi Biotec | 130-042-401/130-048-101 | Cell depletion |
| Mice | Charles Rivers Laboratories (CD45.1) and Janvier Labs (CD45.2) | C57BL/6 CD45.1 OR CD45.2 | Source of cells and thymic lobes |
| Mice | CDTA Orléans, France | CD 3 epsilon Ko CD45.2 | Grafting experiment |
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