Disease activity in MS patients is associated with increases in CD25 expression, but it is not known if this reflects pathogenic T cell activation or the activation of regulatory T cells which could serve to down-regulate pathogenic immune responses (Khoury et al., 2000).
moisturenoun [ U ] uk â /ËmÉÉªs.tÊÉr/ us â /ËmÉÉªs.tÊÉ/. âº a liquid such as water in the form of very small drops, either in the air, in a substance, or on a surface: These plants need a rich soil that retains moisture. Thesaurus: synonyms and related words. Precipitation: clouds, dew, fog & steam. altocumulus.
Water definition, a transparent, odorless, tasteless liquid, a compound of hydrogen and oxygen, H 2 O, freezing at 32Â°F or 0Â°C and boiling at 212Â°F or 100Â°C, that in a more or less impure state constitutes rain, oceans, lakes, rivers, etc.: it contains 11.188 percent hydrogen and 88.812 percent oxygen, by weight. See more.