(A) Scatter plot displays mean cellular yields, with
standard deviation, from individual prostate biopsies digested using numerous
tissue digestion conditions. Digestion conditions A, B, C, D, and E are listed
in the corresponding table (* indicates p-value <0.05, *** indicates
p-value <0.001). (B) Scatter plot displays mean cell
viability, with standard deviation, from individual prostate biopsies with and
without 0.1% dispase added to digestion buffers (*** indicates p-value
<0.001). (C) q-PCR measures androgen receptor transcripts
(AR4/5, KLK3, FOLH1, TMPRSS2) and immune cell activation transcripts (IL-6,
IL-1B, IL-8) from cells for both 10-minute digestion protocols and 4-hour
digestion protocols. Fold change values are normalized to undigested tissue and
averaged, n=3. (D) Gated flow cytometry dot plots display cell
populations present in digested prostate samples from patient PB054 biopsies,
with and without 0.1% dispase added (top row and bottom row respectively). The
first column represents the live/single cell content of the isolates when is
then projected to show CD45 expression in the second column. The third column
represents EpCAM and CD49a expression within the CD45- fraction. The fourth and
fifth columns show CD11b expression within the CD45+ subset and CD4/CD8
expression within the CD45+/CD11b- gate, respectively. Data shows frequency
within the parent gates.