A Murine Model of Primed Mycobacterial Uveitis to Study Post-Infectious Uveitis

Published: September 29, 2023

Abstract

Source: John, S., et al. Primed Mycobacterial Uveitis (PMU) as a Model for Post-Infectious Uveitis. J. Vis. Exp. (2021).

This video demonstrates a method to generate a mouse model of primed mycobacterial uveitis (PMU) for studying post-infectious uveitis. Upon induction of PMU by intravitreal injection of heat-killed Mycobacterium tuberculosis in a mouse previously immunized with the same immunogen, the progression of chronic inflammation in the eye is analyzed using imaging and histopathological examination

Protocol

All procedures involving animal models have been reviewed by the local institutional animal care committee and the JoVE veterinary review board. 1. Antigen preparation for subcutaneous injection Perform all procedures in this section inside a chemical fume hood to prevent inhalation or skin contact with the Mycobacterium tuberculosis (Mtb) H37Ra powder. Handle according to your institutional policies for Complete Freund's Adjuvant (typically BSL-1). Th…

Representative Results

Figure 1: Mouse intravitreal injection setup. The intravitreal injection is performed on the mouse eye using (A) a micro syringe pump controller connected to the (B) Micropump and (C) an injection syringe. The syringe is loaded and mounted on the (D) Micropump. The mouse head is positioned using (E) ear bars to e…

Disclosures

The authors have nothing to disclose.

Materials

AK-FLUOR Akorn Pharmaceuticals, IL, USA 10% Fluorescein sodium 100 mg/mL in 5 mL vial
AnaSed Akorn Animal Health, IL, USA NDC 59399-110-20 Xylazine 20 mg/mL
Betadine 5% Sterile Ophthalmic Prep Solution Alcon, TX, USA 8007-1
B-D Precision Glide Needles -25 G Becton, Dickinson and Company, NJ, USA 305122
B-D Precision Glide needle -30-G Becton, Dickinson and Company, NJ, USA 305106
Bond MAX, Bond Rx Leica Biosystems, IL,USA Automated IHC staining system
Chloramphenicol ointment Martindale Pharma, Romford, UK 1% w/w Chloramphenicol
EG1150H Leica Biosystems, IL,USA Tissue Embedding
Envisu R2300 Bioptigen/Leica OCT Machine
Freund's Incomplete Adjuvant BD Difco, NJ, USA 263910
GenTeal lubricant eye ointment Alcon, TX, USA
GenTeal lubricant eye gel Alcon, TX, USA
H37Ra lyophilized Mycobacteria extract BD Difco, NJ, USA 231141
Hamilton RN Needle (33/12/2)S Hamilton, Reno, NV 7803-05(33/12/2) 33 G
Hamilton syringe Hamilton, Reno, NV CAL7633-01 5 µL
Insulin needle Exel International, USA 26029 1 mL
Isoflurane
Ketaset Zoetis, USA 377341 Ketamine HCL 100 mg/mL
Microinjection Syringe Pump and Micro4Controller World Precision Instruments, FL, USA UMP3
Micron IV Phoenix Research Laboratories, Pleasanton, CA Alternative Imaging/OCT Machine
Nanofil 10 µL syringe World Precision Instruments, FL, USA NANOFIL
Nanofil Intraocular Injection Kit World Precision Instruments, FL, USA IO-KIT
Olympus SZX10 Olympus Dissection scope
PBS Gibco 14190
Phenylephrine Hydrochloride Ophthalmic Solution USP 2.5% Sterile 15 mL Akorn Pharmaceuticals, IL, USA 17478020115
RM2255 Leica Biosystems, IL,USA Tissue Sectioning
TB Syringe Becton, Dickinson and Company, NJ, USA 309602 1 mL
Tetracaine 0.5% Alcon, TX, USA 1041544
Tissue Tek VIP series Sakura Finetek USA, Inc.,CA. Histology Tissue Processing
Tropicamide 1% Chauvin Pharmaceuticals, Romford, UK Minims
Tylenol Johnson & Johnson Consumer Inc, PA, USA NDC 50580-614-01 Acetaminophen
Viscotears Novartis Pharmaceuticals, Camberley, UK Carbomer eye gel 0.2% w/w

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Cite This Article
A Murine Model of Primed Mycobacterial Uveitis to Study Post-Infectious Uveitis. J. Vis. Exp. (Pending Publication), e21704, doi: (2023).

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