Regulation of Transforming Growth Factor-Alpha Expression by Thyroid Hormone during the Post-Natal Development of Rat Submandibular and Sublingual Salivary Glands
Shaher Bano1, Sarah Ghafoor1,* and Nadia Naseem2
1Department of Oral Biology, University of Health Sciences, Lahore
2Department of Morbid Anatomy and Histopathology, University of Health Sciences, Lahore
* Corresponding author: sarahghafoor@uhs.edu.pk
Fig. 1.
TGF-α expression in SMG of group A1 and B1 at week 5. Longitudinal section of ductal epithelium of SMG under 10x magnification showing A, Control group (A1) with TGF-α intensity score of highly positive (4+). B, Experimental group (B1) with TGF-α intensity score of positive (3+). C, Control group (A1) with TGF-α intensity score of positive (3+). D, Experimental group (B1) with TGF-α intensity score of weakly positive (2+).
Fig. 2.
TGF-α expression in SLG of group A1 and B1 at week 5. Longitudinal section of ductal epithelium of SLG under 10x magnification showing A, Control group (A1) with TGF-α intensity score of positive (3+). B, Experimental group (B1) with TGF-α intensity score of weakly positive (2+). C, Control group (A1) with TGF-α intensity score of weakly positive (2+). D, Experimental group (B1) with TGF-α intensity score of minimally positive (1+).
Fig. 4.
TGF-α expression in SLG of group A2 and B2 at week 9. Longitudinal section of ductal epithelium of SLG under 10x magnification showing A. Control group (A2) showing TGF-α intensity score of minimally positive (1+). B, Experimental group (B2) with TGF-α intensity score of minimally positive (1+). C, Control group (A2) showing an undetectable intensity score (-). D, Experimental group (B2) also showing an undetectable intensity score (-).
Fig 3
TGF-α expression in SMG of group A2 and B2 at week 9. Longitudinal section of ductal epithelium of SMG under 10x magnification showing A, Control group (A2) with TGF-α intensity score of highly positive (4+). B, Experimental group (B2) showing highly positive (4+) TGF-α intensity score. C, Control group (A2) showing TGF-α intensity score of positive (3+). D, Experimental group (B2) with TGF-α intensity score of positive (3+).