The phrase "are a predominant source" is correct and usable in written English.
You can use it when discussing the main contributors or origins of something, typically in a formal or academic context.
Example: "The data collected from various studies indicate that renewable energy sources are a predominant source of sustainable power."
Alternatives: "are a major contributor" or "are a primary source."
Animal models of sepsis are a predominant source of data regarding potential mechanisms of brain dysfunction in sepsis.
Double immunofluorescence for the astroglial marker GFAP confirms that in Ins2Akita mice, astrocytes within the NFL are a predominant source of IL-1β e)). IL-1β e
Indeed, microglia are a predominant source of pro-inflammatory mediators including cytokines, complement factors, free radicals, nitric oxide (NO), chemokines and prostanglandins, all of which potentially contribute to further neuronal dysfunction and death.
Meibum is secreted by the Meibomian gland, and it is a predominant source of lipids that are important for the maintenance of tear film stability [29].
These suggest that ecSOD is a predominant source of H2O2 in basal and after hindlimb ischemia, which may contribute to post-ischemic neovascularization.
The NADPH oxidase is a predominant source of ROS production (O2−) in cardiovascular tissues in response to high glucose, growth factors and vasoactive peptides [42], [43], [44].
Adaptive phenotypic changes can also be controlled by regulatory mutations that alter gene expression, and can be a predominant source of adaptation (Attanasio et al. 2013; Fraser 2013).
A new article presents longitudinal evidence that foods grown in conventional fashion that is, with the use of pesticides may be a predominant source of exposure in children [ EHP 116:537–542; Lu et al.].
In conclusion, although some TRCNPs do contribute to phenotype, both experimental data and theoretical considerations indicate that they might not always be a predominant source of genetic variation in phenotypic evolution.
