28 different primary cell types! What a treasure trove (is that a word? I feel like it's a word. Like valuable stuff you'd need to sort through?)
Primary, in most cases means something like "we didn't get this from a cancer patient in 1958 and somehow it is still growing and mutating a century later". It can mean different things in different contexts, though. Sometimes it's cells that won't divide, but they will stick to plates and divide for a little while. Just bringing this up so you're cautious about use of the term around biologists and pathologists.
It does give the feel of maybe a pre-pandemic study that finally got prioritized for writing. Orbitrap Fusion 2 system, DDA, SCX or SAX fractionation involved. That doesn't mean it's bad, by any means. It means it's high resolution fractionated DDA data that took way more time to generate than if we ran it today on one of the fast DIA boxes. In fact, it means a dataset that could yield new findings in the future, you'll just have a lot more (and smaller) files to keep organized.
PTM analysis was done using BOLT! Yeah! First paper I've seen with this cloud based search engine (that I'm very biased about due to like 5 papers I'm on about it, including the very first one) for a while. If you're not into advanced PTM analysis and worried about that, the data was also analyzed with MaxQuant and the results summaries are available in the Supplemental and on PRIDE as PXD062642.
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