The phrase "acted as messengers" is correct and usable in written English.
It can be used to describe individuals or entities that convey information or messages on behalf of others.
Example: "During the meeting, the representatives acted as messengers, delivering important updates from their respective departments."
Alternatives: "served as intermediaries" or "functioned as communicators."
At times, they acted as messengers between fugitives or imprisoned comrades, passing along tiny, folded notes — pizzini — written in a code of glyphs.
They also acted as messengers between the different groups by being responsible for the meetings documentation, including assembling the notes from the Learning Dialogues which were sent to the Development Group for discussions and new decisions.
The drovers acted as messengers, as the carriers of news and, in an age where geographical mobility was severely limited, they were often responsible for carrying money and important documents for people.
In Gloucester during parliamentary elections in 1857 and 1859 the Tory party agent gave out food and drink to local supporters and lavished funds on Tory voters who acted as messengers, flag-bearers and bandsmen.
The Mafeking Cadets, made up of local boys aged 12 to 15, acted as messengers throughout the siege, and had impressed him with their resourcefulness and courage.
They act as messengers, alerting nearby cells to the invader.
The human immune system produces dozens of cytokines, with names like "interleukin-1" and "interferon-gamma," which act as messengers between cells, coordinating immune responses such as inflammation.
Remodeling produces cell-wall fragments that are recycled but can also act as messengers for bacterial communication, as effector molecules in immune response and as signaling molecules triggering antibiotic resistance.
One hypothesis is that it could be a "pheromone", or chemical messenger that acts between individuals in much the same way that hormones act as messengers within the body.
"As a consequence, we also plan to lose all our current casuals in production in London plus a number of people who support production such as those who act as messengers.
They could act as messengers to deliver imaging markers for examining damaged blood vessels, or possibly carry clot-dissolving drugs to their targets in a person's bloodstream.
