This video demonstrates intranasal BCG immunization in mice, activating both innate and adaptive immune responses, leading to the development of lung-resident memory T cells and effector B cells, thus enhancing protection against Mycobacterium infections.
Protocol
All procedures involving animal models have been reviewed by the local institutional animal care committee and the JoVE veterinary review board. 1. Preparation of Quantified Glycerol Stocks of Bacillus Calmette-Guerin (BCG) Danish and Mycobacterium tuberculosis H37Rv NOTE: All the protocols described were performed under bio-safety level-3 (BSL3) conditions. Thaw frozen glycerol stocks of BCG Danish or …
Divulgations
The authors have nothing to disclose.
Materials
Middlebrook 7H9 broth
BD
271310
Middlebrook ADC Enrichment
BD
211887
Tween 80
Scharlau
TW00800250
3-mm diameter Glass Beads
Scharlau
038-138003
Middlebrook 7H10 Agar
BD
262710
1-ml syringe 26GA 0.45×10 mm
BD
301358
C tubes
Miltenyi Biotec
130-093-237
M tubes
Miltenyi Biotec
130-093-236
LACHRYMAL OLIVE LUER LOCK 0.60 x 30 mm. 23G x 1 1/4"