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Table 3 Effects of sample processing on immunolabeling of histological sections

From: Generation of cell type-specific monoclonal antibodies for the planarian and optimization of sample processing for immunolabeling

mAb

Fixation protocol

HCl

NAc

HCl

NAc

HCl

NAc

HCl

NAc

HCl

NAc

Formaldehyde

-

Bleach

AR

Reduction

Prot K

2G4, int.

++

+

+

-

++

-

+

+

-

-

2G4, ep.

++

++

-

-

+

+

-

-

+

+

3F11

++

+

+

++

-

-

+

+

+

-

2C11

+

+

++

+

++

+

+

-

+

-

2D2

+

-

-

-

-

-

+

-

-

-

2H3

-

-

-

-

++

+

-

-

+

-

3H3

++

++

++

++

++

++

+

+

+

+

mAb

Methacarn

2G4, int.

+

+

-

n.d.

++

++

+

-

+

-

2G4, ep.

+

+

-

n.d.

-

-

++

+

++

+

3F11

-

-

-

n.d.

-

-

n.d.

n.d.

n.d.

n.d.

2C11

+

++

++

n.d.

-

++

+

+

+

++

2D2

-

-

-

n.d.

-

-

n.d.

n.d.

n.d.

n.d.

2H3

-

-

-

n.d.

+

+

-

-

-

-

3H3

++

++

++

n.d.

++

++

++

++

+

+

  1. Qualitative assessment of signal:noise for tissues labeled by selected mAbs: 2G4, intestine (“int.”) and epidermis (“ep.”); 3F11, intestine; 2H3, enteric muscle; 2D2, CNS neuropil; 2C11, peripharyngeal secretory cells and projections; 3H3, epidermis. “-“ indicates negligible or non-uniform labeling, poor morphology, and/or high background. “+“ indicates moderate specificity, uniform labeling, or strong signal accompanied by elevated non-specific labeling. “++” indicates robust signal with minimal noise. “n.d.”, not done.