REAGENT or RESOURCE	SOURCE	IDENTIFIER
Experimental models: Cell lines
MC38 GFP-labeled cells	Giannou et al.1	N/A
MC38 shC	Giannou et al.1	N/A
Experimental models: Organisms/strains
C57BL/6J wild-type mice, adult, 24–30 g BW, used as recipient animal	The Jackson Laboratory	N/A
Knockout mouse for the respective structure of interest, e.g., Il22ra1−/− mice on a B6 background, adult, 24–30 g BW, used as donor animal	Till Strowig Lab – Helmholtz Center for Infection Research, Braunschweig, Germany	N/A
Chemicals, peptides, and recombinant proteins
PBS	Dirk Hindorf Anprotec	AC-BS-0002
FBS	Capricorn Scientific	CS-HI-1A
EDTA	Carl Roth GmbH	8043.2
DMEM (GlutaMAX)	Gibco	31966047
Penicillin/Streptomycin	Gibco	15070-063
Metamizole	Ratiopharm GmbH	9051799
HBSS (with Ca2+ and Mg2+)	Life Technologies GmbH	14065-049
Collagenase	Sigma	C2139-5G
DNase I	AppliChem über Th. Geyer	A3778-50MG
0.05% Trypsin-EDTA	Gibco	25300-054
Other
Leica M620 TTS tabletop surgical microscope	Leica Microsystems
Induction chamber for small animals	UNO Roestvaststaal BV	180000232
Ventilator for small animal use, e.g., UMV-03 UNO microventilator	UNO Roestvaststaal BV	180000023
Isoflurane vaporizer	UNO Roestvaststaal BV	180000008
Flowmeter CM2	UNO Roestvaststaal BV	180000002
Artificial lung	UNO Roestvaststaal BV	180000009
Heating plate	UNO Roestvaststaal BV	180000028
Control unit 01 for heating plate	UNO Roestvaststaal BV	180000123
Laboratory stand with clamp, e.g., Wisamic lab stand	Amazon	18-01-22-0001-EU
Small surgical scissors, e.g., fine scissors, sharp	Fine Science Tools	14060-09
Small blunt surgical scissors, e.g., Strabismus scissors	Fine Science Tools	14074-09
Small surgical forceps, e.g., Mueller micro forceps, straight, 110 mm	Braun Aesculap	FM001R
Curved surgical forceps, e.g., Student fine forceps, curved	Fine Science Tools	91117-10
Fine angled forceps, e.g., Dumont #5/45 forceps	Fine Science Tools	11251-35
Fine spring scissors, straight, e.g., micro scissors, straight, sharp/sharp, 105 mm	Braun Aesculap	OC496R
Fine spring scissors, curved, e.g., micro scissors, curved, sharp/sharp, 105 mm	Braun Aesculap	OC297R
Micro needle holder, e.g., Mueller micro needle holder, curved, 180 mm	Braun Aesculap	FM061R
Adjustable helping hand tool	Toolcraft	ZD-10F
Retractor, e.g., Alm retractor (self-retaining), 70 mm, 4 × 4 prongs, semi-sharp	Braun Aesculap	BV010R
Vascular clips, e.g., Biemer micro vascular clip, oblique serrated, 5 mm opening width, 9 mm	Braun Aesculap	FD562R
Small electrocautery, e.g., cautery high temp 2″ extended shaft loop tip	Bovie Medical	AA05
LOOK 6-0 silk suture spool, black braid, 100 yards	Corza Medical	SP114
Dafilon 10-0/30 cm/DLM6	B. Braun	G1118749
Prolene 5-0/90 cm/2xRB1	B. Braun	8556H
Vasofix Safety, 20 G, PUR	B. Braun	4269110S-01
Vasofix Safety, 22 G, PUR	B. Braun	4269098S-01
Versatus-W, winged i.v. catheter, 26 G	Terumo	SR + DU2619WX
Sandpaper, 240 grit	BAHAG AG	N/A
Injekt Solo, 10 mL syringe	B. Braun	4606108V
Injekt F, 1 mL syringe	B. Braun	9166017V
Berpu cannula 25 G, 30 mm	B. Braun	BP2530430
Venofix Safety 21 G, 30 cm length	B. Braun	4056504-01
Tape, e.g., Durapore surgical tape	3M	1538-1
Gauze compresses, 5 × 5 cm	Fuhrmann GmbH	31501
Petri dishes, e.g., Sterilin Petri dishes	Thermo Fisher Scientific	501V
Cotton swabs, wood, 15 cm	NOBA Verbandmittel	10859
Ointment, e.g., Bepanthen Augen- und Nasensalbe	Bayer Vital GmbH	N/A
Isofluran-Piramal (isoflurane) 250 mL	Piramal Critical Care BV	N/A
Temgesic Ampullen (buprenorphine hydrochloride, 0.3 mg/mL)	Indivior Europe Ltd.	N/A
Thiopental Inresa 0.5 g (sodium thiopental)	Inresa Arzneimittel GmbH	N/A
Heparin-Natrium-25000-ratiopharm (sodium heparin, 25,000 IU/5 mL)	Ratiopharm	N/A
Preservation fluid (Perfadex Plus)	XVIVO Perfusion	N/A
Neubauer hemocytometer (cell counting)	Neubauer	68052-14, 68052-15