1-month old LRRK2 KO rat (Cortex, kidney).
A: Hematoxylin and Eosin – no observable abnormalities; B: Lipofuscin (AFIP method) – lipofuscin positive material not observed; C: Chromotrope Aniline Blue – CAB positive staining not readily visible and similar to WT rat; D: LAMP-1 – diffuse, cytoplasmic, fine granular staining with a slight increase in intensity in proximal tubular epithelium; E: LAMP-2 - intense staining of apical cytoplasm in proximal tubular epithelium similar to WT control; F: NAGLU – fine, diffuse, granular cytoplasmic staining and apical staining in proximal tubular epithelium similar to WT control (the 1, 2 and 8 month old WT rats in the second cohort had similar baseline NAGLU staining that was slightly different (apical and diffuse cytoplasmic) from those rats in the first cohort (diffuse cytoplasmic). Scale bar = 0.5 mm
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