Sentence examples for are virtually negative from inspiring English sources

It should be noted that, compared to ATM-proficient neurons, non-dividing neurons from ATM-deficient neural progenitors obtained from hESCs are virtually negative for γ-H2AX expression [27].

As expected, MVs were virtually negative for anti-LBPA staining, demonstrating the absence of exosomes in our preparation.

The haematopoietic markers CD45 and CD68 were expressed by both types of fibrocyte, as well as macrophages, but were virtually negative on fibroblasts.

LPS-treated cells were virtually negative for mature virions as revealed by transmission electron microscopy.

The isolated PMap were virtually negative for the exosome marker CD63.

For example, globus pallidus was virtually negative for Aβ plaques, while only small diffuse plaques could be found in putamen, thalamus and caudate nucleus.

The majority of these CD146low lymphoid cells expressed NK1.1 and α2-integrin but was virtually negative for TCRβ, identifying them as natural killer (NK) cells.

All preparations were virtually negative for the Sertoli cell markers Gata4 and Gata6 [ 30] and the Leydig cell markers Cyp11a1 and Hsd3b1 [ 31] (Additional file 2: Figure S1).

In addition, ultra-structural examination showed LPS-activated MDM to be virtually negative for virus particles in contrast to untreated HIV-infected MDM, where a large number of mature virus particles were seen within intracytoplasmic vacuoles (endosomes) (Fig. 1G).

In many areas positive cells are observed during torpor, but the intensity and the number of positive cells varies between brain regions; cortex and hippocampus show the most pronounced positivity, whereas the striatum is virtually negative.

Third, there are virtually no observed negative effects of creatine supplementation compared to currently available chemotherapeutic interventions.