ELISA data for serum IL-6 after LPS or SAL treatment

Data analysis of serum protein expression of IL-6 after treatment with saline (SAL) or 4500 EU/g lipopolysaccharide (LPS) for 18 hours. Data are pg/mL.

Samples

##   Group TRT  n
## 1   CON SAL 37
## 2   CON LPS 52
## 3   MIA SAL 45
## 4   MIA LPS 68

Figure 1g

Linear Mixed Effect Model MIA vs CON

##           CON:SAL CON:LPS MIA:SAL MIA:LPS
## # mice    37      52      45      68     
## # litters 26      34      28      43
## normality of log2 transformed data
##         Shapiro Test for Normality
## CON:SAL                      0.001
## CON:LPS                      0.000
## MIA:SAL                      0.002
## MIA:LPS                      0.000
lme.fit <- lmer(log2(Serum.IL.6+1) ~ Group*TRT+(1|Litter), data=MvC)
summary(lme.fit)
## Linear mixed model fit by REML. t-tests use Satterthwaite's method [
## lmerModLmerTest]
## Formula: log2(Serum.IL.6 + 1) ~ Group * TRT + (1 | Litter)
##    Data: MvC
## 
## REML criterion at convergence: 846.7
## 
## Scaled residuals: 
##     Min      1Q  Median      3Q     Max 
## -1.5590 -0.7317 -0.1818  0.5063  2.5996 
## 
## Random effects:
##  Groups   Name        Variance Std.Dev.
##  Litter   (Intercept) 0.7935   0.8908  
##  Residual             3.4080   1.8461  
## Number of obs: 200, groups:  Litter, 86
## 
## Fixed effects:
##                 Estimate Std. Error       df t value Pr(>|t|)    
## (Intercept)       2.2030     0.3620 156.2463   6.086 8.59e-09 ***
## GroupMIA          0.3506     0.4858 150.8619   0.722    0.472    
## TRTLPS            7.2278     0.4272 170.7738  16.919  < 2e-16 ***
## GroupMIA:TRTLPS  -0.5081     0.5726 176.4439  -0.887    0.376    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Correlation of Fixed Effects:
##             (Intr) GrpMIA TRTLPS
## GroupMIA    -0.745              
## TRTLPS      -0.717  0.535       
## GMIA:TRTLPS  0.535 -0.721 -0.746

Reproducibility info

## [1] "2021-11-02 11:23:03 EDT"
## ─ Session info ───────────────────────────────────────────────────────────────
##  setting  value                       
##  version  R version 4.0.3 (2020-10-10)
##  os       macOS Big Sur 10.16         
##  system   x86_64, darwin17.0          
##  ui       X11                         
##  language (EN)                        
##  collate  en_US.UTF-8                 
##  ctype    en_US.UTF-8                 
##  tz       America/New_York            
##  date     2021-11-02                  
## 
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## [1] /Library/Frameworks/R.framework/Versions/4.0/Resources/library