The phrase 'role of on' is not correct and usable in written English.
Instead, you could use phrases such as 'the role of', 'role in', 'role on', or 'the role upon'. For example: "The role of technology on society is constantly changing."
The direct relationship between HOXC8 and ON, in turn, is supportive of the assumption that HOXC8 participates in or regulates the anti-tumourigenic role of ON.
All these observations point to a role of ON, which suggests that it could be an anti-tumourigenic protein rather than a protein responsible for tumour progression (Zhivkova-Galunska et al, 2010).
It was proposed that the antimetastatic role of ON was due to its ability to mask or modify type I collagen, which seems to be fundamental in promoting the proliferation of bone-metastatic cancer cells [ 140].
After reprising the role of on the show's 25th Anniversary in 2010, John was asked to reinterpret the role of the Phantom (a role which he played between 2001 and 2004) for its 25th anniversary UK tour two years later.
Currently, there are contradicting assumptions on the role of ON in cancer development, including PDAC (Podhajcer et al, 2008).
The police had evidently declined the role of on-camera head-bashers.
For the first time he stepped into the role of on-set boss: the director.
Dessay performed the unfamiliar role of on-camera interviewer with relish and wit, and this year she was asked for a reprise.
Jim VandeHei, Politico's executive editor and co-founder, seems extremely comfortable in the role of on-air master of ceremonies, and there is plenty of inside baseball for wonks.
The objective of our study was to understand the role of on-going water-level fluctuations on sediment MeHg concentrations and sulfur speciation within a reservoir 75 years after initial impoundment.
As someone who has spent the past year interviewing youth organizers in the Arab world about their use of new media, I was heartened by the role of on-the-ground reporting in your Arab Spring coverage ("Streetbook," September/October 2011).
