The phrase "are still progressing through" is correct and usable in written English.
It can be used to indicate that someone or something is continuing to make progress in a particular process or situation.
Example: "Despite the challenges, we are still progressing through the project timeline and expect to meet our deadlines."
Alternatives: "are still advancing through" or "are still moving through".
Furthermore, cells with reduced levels of PP2A-C retained about 80% of the original level of BrdU incorporating cells compared to about 10% in the control cell line (Fig. 4C), indicating that these cells are still progressing through the cycle even in the presence of FGF.
The students in the current cohort, however, either are still progressing through the course or in the early stages of postgraduate training with only those who commenced in 2006 now entering their third postgraduate year.
Officials did not say whether those people's cases were still progressing through the other, more difficult avenues available to them after the proclamation.
Since I am a First Year Student, I am still progressing through what I would call different rotations of labs where I get to experience different options before I commit to my thesis lab.
This morning also saw the eviction of the Occupy London School of Ideas in Islington in, to say the least, somewhat unorthodox circumstances, while their case was still progressing through the court system.
Officials didn't say whether those people's cases were still progressing through other avenues left to them after the proclamation.
"What these SNP councillors fail to understand is that they are condemning a report that their own party endorsed - they are clearly still progressing through the five stages of grief after the referendum". "This is a test for Nicola Sturgeon's leadership.
"What these SNP councillors fail to understand is that they are condemning a report that their own party endorsed - they are clearly still progressing through the five stages of grief after the referendum".
