Alcain Blue Staining of 4 Month-Old Human Lung from Donor D075-RLL-10B1

Donor Tissue Kindly Provided by Dr. Gloria Pryhuber from the University of Rochester Medical Center

1. Paraffin sections were placed at 60^oC overnight to melt paraffin.
2. Paraffin sections were then placed in xylene (Xylenes Reagent Grade ACS Histology/Lab Grade Cat # 399000000 Pharma-AAPER) 3X for 10 minutes each.
3. Rinsed slides for 3 minutes in running dH₂O.
4. Slides were then incubated in 3% Glacial Acetic Acid (S101, Poly Scientific) for 3 minutes.
5. Slides were then incubated in filtered Alcian Blue (S111A, Poly Scientific) for 30 minutes.
6. Wash slides under cold running tap water for 10 minutes.
7. Incubate for 2 minutes in Nuclear Fast Red (S248, Poly Scientific).
8. Wash under flowing dH₂O until excess Nuclear Fast Red is washed away.
9. Incubated slides in 90% ETOH for 20 dips, repeat in different 90% ETOH.
10. Incubated slides in 100% ETOH for 20 dips, repeat in different 100% ETOH.
11. Washed slides in 2X in Xylene, followed by 6 more washes in xylene.
12. Coverslip with Permount. (Permount Toulene Solution UN 1294, Cat # SP-15-500 Fisher Scientific).

Tissue Used:
LMH-18-D075-RLL-10B1.1
Gender: Male
Age: 4 Months