Bench Quick Reference Guide
BSL-2 Laboratory Protocols| Equipment | Est. Cost | Vendor Examples |
|---|---|---|
| BSL-2 biosafety cabinet | Facility | Thermo, Baker |
| CO2 incubator (37C, 5%) | $5-10K | Thermo, Eppendorf |
| Flow cytometer (4+ color) | $50-150K | BD, Beckman, Cytek |
| Real-time qPCR | $25-40K | Bio-Rad, Applied Biosystems |
| Electroporator | $15-25K | Neon (Thermo), Lonza |
| Plate reader (lum + abs) | $15-30K | BioTek, Tecan |
| -80C freezer | $8-15K | Thermo, Stirling |
| LN2 storage | $5-10K | Thermo, MVE |
| Centrifuges | $5-15K | Eppendorf, Beckman |
| Equipment | Est. Cost |
|---|---|
| ddPCR system | $80-120K |
| Cell sorter (FACS) | $150-300K |
| Automated liquid handler | $50-150K |
| Reagent | Catalog Example | Notes |
|---|---|---|
| RPMI 1640 | Gibco 11875 | T cell base |
| FBS | Gibco 10437 | Heat-inactivate, lot test |
| Pen/Strep | Gibco 15140 | 100 U/mL working |
| GlutaMAX | Gibco 35050 | 2 mM working |
| HEPES | Gibco 15630 | 10-25 mM optional |
| IL-2 | Peprotech 200-02 | 50 U/mL for T cells |
| IL-7 | Peprotech 200-07 | 5 ng/mL for resting |
| M-CSF | Peprotech 300-25 | 50 ng/mL for macrophages |
| anti-CD3 beads | Miltenyi 130-091-441 | T cell activation |
| anti-CD28 beads | Miltenyi 130-091-441 | T cell activation |
| Reagent | Catalog | Purpose |
|---|---|---|
| J-Lat 10.6 | ARP-9849 | Latency model |
| ACH-2 | ARP-349 | Chronic infection |
| MT-2 | ARP-237 | Permissive cells |
| HIV-1 NL4-3 | ARP-114 | Clade B reference |
| HIV-1 BaL | ARP-510 | R5-tropic |
| p24 antibody (KC57) | Beckman 6604667 | Flow cytometry |
| VRC01 bNAb | ARP-12033 | Env detection |
| Reagent | Purpose |
|---|---|
| dCas9-KRAB plasmid | Addgene (multiple options) |
| Synthetic sgRNAs | IDT or Synthego |
| Lipofectamine 3000 | Thermo L3000015 |
| RNA extraction kit | Qiagen 74104 |
| cDNA synthesis | Invitrogen 18080051 |
| SYBR Green master mix | Bio-Rad 1725271 |
| ddPCR supermix | Bio-Rad 1863024 |
| ChIP kit | Active Motif 53040 |
| H3K9me3 antibody | Abcam ab8898 |
| Target | Clone | Fluorophore | Purpose |
|---|---|---|---|
| CD4 | RPA-T4 | APC | T cell ID |
| CD3 | UCHT1 | FITC | T cell ID |
| CD8 | SK1 | PE | Exclusion |
| CD45RA | HI100 | BV421 | Memory subsets |
| CCR7 | G043H7 | PE-Cy7 | Memory subsets |
| CD14 | M5E2 | APC | Monocyte/Mac |
| CD68 | Y1/82A | PE | Macrophage |
| Annexin V | - | FITC | Apoptosis |
| Zombie Aqua | - | - | Viability |
| Step | Action | Time |
|---|---|---|
| 1 | Seed 2x10^5 cells/well (24-well, 500 uL) | 0h |
| 2 | Add TNF-a (10 ng/mL final) or vehicle | 0h |
| 3 | Incubate 37C, 5% CO2 | 24h |
| 4 | Harvest, wash PBS | 24h |
| 5 | Stain viability (1:1000, 10 min RT) | |
| 6 | Wash, resuspend FACS buffer | |
| 7 | Acquire: Live -> Singlets -> GFP+ |
| Step | Action |
|---|---|
| 1 | Dilute blood 1:1 with PBS |
| 2 | Layer 35 mL over 15 mL Ficoll (50 mL tube) |
| 3 | Centrifuge 400g, 30 min, brake OFF |
| 4 | Harvest cloudy PBMC interface |
| 5 | Wash 2x PBS |
| 6 | Count, resuspend 10^8/mL |
| 7 | Add isolation cocktail per kit |
| 8 | Incubate 5 min, 4C |
| 9 | Add magnetic beads |
| 10 | Incubate 10 min, 4C |
| 11 | Pass through LS column on magnet |
| 12 | Collect flow-through (CD4+ enriched) |
| 13 | Verify purity by flow |
| Step | Action |
|---|---|
| 1 | Calculate virus volume for MOI 0.1 |
| 2 | Resuspend 10^6 cells in 200 uL |
| 3 | Add virus + polybrene |
| 4 | Spinoculate: 1200g, 2h, 25C |
| 5 | Wash 3x complete media |
| 6 | Resuspend 10^6/mL + IL-2 |
| 7 | Culture 3d, check infection by p24 flow |
| 8 | For latency: remove beads, switch to IL-7 |
| 9 | Rest 7-14d |
| Cell Type | Voltage | Pulse Width | Pulses |
|---|---|---|---|
| J-Lat | 1400V | 10ms | 3 |
| Primary CD4+ | 1600V | 10ms | 3 |
| HEK293T | 1100V | 20ms | 2 |
| Step | Action |
|---|---|
| 1 | Harvest cells, wash PBS |
| 2 | Resuspend 10^6 cells in 100 uL Buffer R |
| 3 | Add mRNA (1-2 ug) + sgRNAs (100 pmol each) |
| 4 | Load 100 uL Neon tip |
| 5 | Electroporate with optimized settings |
| 6 | Immediately transfer to pre-warmed media |
| 7 | Culture 4-24h before analysis |
| Day | Step | Action |
|---|---|---|
| 1 | 1 | Cross-link: 1% formaldehyde, 10 min, RT |
| 2 | Quench: 125 mM glycine, 5 min | |
| 3 | Lyse per kit protocol | |
| 4 | Sonicate to 200-500 bp | |
| 5 | Clear lysate (spin 12,000g, 10 min) | |
| 6 | Save 10% as input | |
| 7 | Add antibody + beads, rotate O/N 4C | |
| 2 | 8 | Wash per kit protocol |
| 9 | Elute and reverse cross-links | |
| 3 | 10 | Purify DNA |
| 11 | qPCR with LTR primers | |
| 12 | Calculate % input or fold over IgG |
| Step | Action | Time |
|---|---|---|
| 1 | Add standards and samples to plate | - |
| 2 | Incubate | 2h RT |
| 3 | Wash 4x | - |
| 4 | Add detection antibody | 1h RT |
| 5 | Wash 4x | - |
| 6 | Add substrate | 15-30 min |
| 7 | Stop reaction | - |
| 8 | Read 450 nm | - |
| 9 | Calculate from standard curve | - |
| Reagent | Storage | Stability |
|---|---|---|
| HIV stocks | -80C | Years |
| TNF-a aliquots | -20C | 6 months |
| PMA aliquots | -20C (DMSO) | 1 year |
| sgRNAs | -20C | 1 year |
| mRNA | -80C | 6 months |
| Antibodies | 4C | Per manufacturer |
| ELISA kits | 4C | Check expiry |