The phrase "decreased proliferation" means that the rate at which something, such as cells, organisms, or ideas, is increasing or reproducing has slowed down or reduced. Full definition
Spay / neutering is the most effective means of decreasing proliferation of unwanted dogs and cats as well as providing considerable health benefits. (ottawahumane.ca)
Overexpression of Cox - 2 in Human Osteosarcoma Cells Decreases Proliferation and Increases Apoptosis (cancerres.aacrjournals.org)
While in general terms, a great majority of cancerous tissues decrease their proliferation due to apoptosis caused by radio — and chemotherapeutical regimes, most of them acquire novel mutations bypassing apoptosis to find novel niches to metastasize. (phd4md.eu)