Title: T-bet and interleukin-27: possible TH1 immunomodulators of sarcoidosis Article type: Original article Corresponding author: Wei Sheng Joshua Loke, MB BS VI First Author: Wei Sheng Joshua Loke, MB BS VI Order of authors: Joshua Loke1,2, Araluen Freeman1, Linda Garthwaite1, Silvie Prazakova1,2, Mijeong Park1, Kenneth Hsu1, Paul S. Thomas1,2, and Cristan Herbert1 Author affiliations/location: 1. Inflammation and Infection Research Centre, School of Medical Sciences, UNSW, 2052, Australia. 2. Department of Respiratory Medicine, Prince of Wales Hospital, Randwick, NSW 2031, Australia. Corresponding author: Wei Sheng Joshua Loke, Department of Respiratory Medicine, Prince of Wales Hospital, Randwick, NSW 2031, Australia. Inflammation and Infection Research Centre, UNSW Australia, Sydney, 2052, Australia. Email: [email protected] ([email protected]); Telephone: +61 2 9382 4620; Fax: +61 2 9382 4627 Email address of other authors: Araluen Freeman [email protected] Linda Garthwaite [email protected] Silvie Prazakova [email protected] Mijeong Park [email protected] Kenneth Hsu [email protected] Cristan Herbert [email protected] Online resource (d ) 0 .4 0 .2 0 .0 IV & & I ta 0 S ge ge ta S T S A S T G S E S ta T II A I G & E & 0 E G 0 .6 IV II 0 .0 0 .8 II 0 .2 p = 0 .5 9 II 0 .4 1 .0 I 0 .6 A I F N p r o t e in in P B M C - r a d io lo g i c a l s t a g e C o n c e n t r a t io n o f I F N ( p g / m l ) p = 0 .6 3 0 .8 I E x p r e s s io n r e la t i v e t o H P R T I F N ( P B M C ) - r a d io lo g i c a l s t a g e ge (a ) (e ) T - b e t ( P B M C ) - r a d i o lo g ic a l s t a g e p = 0 .1 0 T - b e t p r o t e in in P B M C - r a d io lo g ic a l s t a g e 4 2 s t a n d a r d s a m p le 6 p = 0 .1 4 2 .0 I m a g e d e n s ity r e la tiv e t o 8 0 1 .5 1 .0 0 .5 & E I G II A T E G E S G A T A S T T S S (c ) (f) IV II & 0 I II E E G G T A E A T S G A T S E & IV & II A S T E G S T A -5 0 0 0 I G 0 E & I II - 0 .2 0 G 0 .0 5000 A 0 .2 10000 T 0 .4 S 0 .6 p = 0 .8 5 15000 I p = 0 .0 8 6 S 0 .8 I L 2 7 p r o t e in in p la s m a - r a d io lo g ic a l s t a g e C o n c e n t r a t io n o f I L 2 7 ( p g / m l ) I L 2 7 ( P B M C ) - r a d io lo g ic a l s t a g e E x p r e s s io n r e la t i v e t o H P R T IV II I & 0 & II E A S T G A S G T E A I G 0 E & IV II 0 .0 I E x p r e s s io n r e la t i v e t o H P R T (b ) Online resource 1: Expression of IFNγ, T-bet and IL-27 mRNA (a-c) in PBMC, and protein (d-f) in plasma or PBMC cell lysates of sarcoidosis patients according to radiological stage. Data represented as mean ± SD. (d ) I F N ( P B M C c e ll ly s a t e ) - t r e a t m e n t s t a t u s 0 .6 0 .4 0 .2 0 .8 0 .6 0 .4 0 .2 0 .0 io re ss p re p p u p os u n os u n m u im m N o Im N o Im im m m u u n n os os u u p p p p re re ss ss io io n n 0 .0 p = 0 .4 3 1 .0 io p = 0 .7 1 n C o n c e n t r a t io n o f I F N ( p g / m l ) 0 .8 n (b ) (e ) T - b e t p r o te in in P B M C - im m u n o s u p p r e s s io n p = 0 .3 1 6 4 2 s t a n d a r d s a m p le 2 .0 I m a g e d e n s ity r e la tiv e t o 8 p = 0 .2 7 1 .5 1 .0 0 .5 io n re p p u os n u m im o N N o Im im m m u u n n os os u u p p p p re re ss ss io io ss io ss re p p u os n u m Im (c ) (f) I L 2 7 ( P B M C ) - tr e a t m e n t s ta t u s I L 2 7 p r o te in in p la s m a - tr e a tm e n t s ta tu s ss re ss os os u u p p p p re re p p u os n n u u m Im m im o N io n io io ss io ss re p p u os n u m Im n -5 0 0 0 n 0 .0 0 n 0 .2 5000 u 0 .4 10000 m 0 .6 p = 0 .9 7 15000 im p = 0 .2 6 o C o n c e n t r a t io n o f I L 2 7 ( p g / m l ) 0 .8 n E x p r e s s io n r e la t i v e t o H P R T n 0 .0 n 0 n E x p r e s s io n r e la t i v e t o H P R T T - b e t (P B M C ) - t r e a t m e n t s t a t u s N E x p r e s s io n r e la t i v e t o H P R T I F N ( P B M C )- t r e a t m e n t s t a t u s ss (a ) Online resource 2: Expression of IFNγ, T-bet and IL-27 mRNA (a-c) in PBMC, and in protein (d-f) in plasma or PBMC cell lysates of sarcoidosis patients according to treatment status. Data represented as mean ± SD. C o n c e n t r a t io n o f I L 2 7 ( p g / m l ) I L - 2 7 p r o te in in E B C 15 p = 0 .5 7 10 5 0 -5 CONTROLS P A T IE N T S Online resource 3: Comparison of EBC IL-27 concentrations in healthy controls and sarcoidosis patients. Data represented as mean ± SD.
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