Role of mast cells in the pathogenesis of severe lung damage in COVID-19 patients

Respiratory Research

Table 2 The distribution of mast cells in the affected lung tissues of patients with early and late stages of alveolar damage (staining with Giemsa dye)

Stage of alveolar lesion	MC			dMC			nMC			Fragments
Stage of alveolar lesion	Early	Late	Control	Early	Late	Control	Early	Late	Control	Early	Late	Control
Average number of cells per mm²	27.7 ± 6.2	45.5 ± 10.1	13.4 ± 4.2	16.1 ± 4.4	25.9 ± 6.5	5.8 ± 2.4	0.8 ± 0.3	3.8 ± 1.9	5.2 ± 1.1	10.8 ± 2.6	15.8 ± 4.3	2.4 ± 0.8

Data are presented as mean ± SEM. MC mast cells, dMC degranulated mast cells, nMC non-degranulated mast cells, Fragments fragments of mast cells with granules

ISSN: 1465-993X