The phrase "act by sustaining" is not commonly used in written English and may sound awkward.
It could be used in contexts where one is discussing the manner in which actions are taken to maintain or support something.
Example: "We must act by sustaining our resources to ensure the project's success."
Alternatives: "operate by maintaining" or "function through support".
Here we show that JAM-A acts by sustaining the expression of EPAC-1 and EPAC-2, which are in turn Rap-1 activators.
Let's observe, honor and celebrate it by remembering eating is an essential, life-sustaining act sustaining act, for you -- and if you do it right, for the planet, too.
Mr. Obama's camp argues for an active government role; his last major economic proposal, the American Jobs Act, would have tried to accelerate recovery by sustaining public spending and putting money in the hands of people likely to use it.
Our results show that SMG1 and NIK act as important repressors of SMC-mediated cell death possibly by sustaining the expression of c-FLIP.
By sustaining parenchymal hyperproliferation, alcohol (or viral infection) may act as a promoter in VCM carcinogenesis.
(a) A State has great latitude in dispensing its available funds, King v. Smith, 392 U.S. 309, 318-319, and, given Maryland's finite resources available for public welfare demands, it is not prevented by the Act from sustaining as many families as it can and providing the largest families with somewhat less than their ascertained per capita standard of need.
The results showed that gelatin-coated TCP scaffold with rhBMP2 delivery system not only could act as a mechanically and biologically compatible framework, but also act as an osteoinductive graft by sustained delivering of rhBMP2 in a therapeutic window for differentiation of hBFPSCs towards the osteoblast lineage.
PD-1 is induced by sustained TCR signaling and might act as a negative regulator of CD4+ T-cell proliferation.
In a letter to Attorney General Loretta Lynch in October, the congressmen asked the department to look into whether Exxon violated federal laws such as the Racketeer Influenced and Corrupt Organizations, or RICO, Act by "organizing a sustained deception campaign disputing climate science and failing to disclose truthful information to investors and the public".
I just don't understand what could be meant by "another act, which sustains".
