Sentence examples for weakly positive staining from inspiring English sources

While cultured MDA-MB-435 cells were negative for AE1/AE3 staining for pan-cytokeratin [Figure 2(I), lane 5], MDA-MB-435 primary tumors exhibited weakly positive staining for AE1/AE3 (Figure 4A) and strong staining for ESA.

The negative category included weakly positive staining owing to the low numbers of completely negatively stained samples.

Positive staining was scored as: weakly positive staining (1), moderately positive staining (2) and strongly positive staining (3) of melanoma cells.

Weakly positive staining for IgG, IgA, IgM, and C3 on the outer surface of capillary walls was revealed by immunofluorescent staining.

SI was scored on a scale of 0 3 (0 ¼ negative staining, 1 ¼ weakly positive staining, 2 ¼ moderately positive staining, and 3 ¼ strongly positive staining).

Five cases showed weakly positive staining in 10 30% of the tumor cells, and three cases showed positive staining in 70 100% of cells.

Staining with the anti-ABCB2 antibody revealed a comparable, weakly positive, cytoplasmatic staining in GLC4 and GLC4-MITO.

Likewise, a negative or weakly positive BCL2 staining was only observed in 32% of cases of conventional DLBCL in the second series and was significantly less frequently observed than in "LP type" DLBCL (p < 0.05, 2-Tail Fisher´s Exact Test).

The 26 sera assessed as negative by visual examination (18.6%) demonstrated mainly weakly positive speckled staining of the nucleus in the automated system and this was scored as irrelevant by visual reading.

Altogether, in normal breast tissue, 7% of cases were completely negative for Mb, 49% were weakly positive, 39% stained moderately positive and 5% of tissues stained strongly (Supplementary Figure S2).

Using a previously reported method (31), the intensity of the 4-HNE immunoreactivity in the islets was graded semiquantitatively as follows: negative (score 0); weakly positive (lightly stained, but clearly differentiated from negative background, score 1); moderately positive (strongly stained area = 2 places, score 2); and strongly positive (strongly stained area = 3 places, score 3).