{"id":235,"date":"2010-01-21T11:29:00","date_gmt":"2010-01-21T10:29:00","guid":{"rendered":"https:\/\/blogs.bmj.com\/medical-ethics\/?p=235"},"modified":"2010-01-21T11:29:48","modified_gmt":"2010-01-21T10:29:48","slug":"a-fish-on-a-petri-dish","status":"publish","type":"post","link":"https:\/\/blogs.bmj.com\/medical-ethics\/2010\/01\/21\/a-fish-on-a-petri-dish\/","title":{"rendered":"A Fish on a Petri Dish"},"content":{"rendered":"<p>Not so long ago, I heard a research scientist talking about the work he was doing and its context in the discipline.\u00a0 He was looking at a particular set of genes that were implicated in cancer, and was interested in manipulating those genes as a means of controlling tumor formation.\u00a0 He wanted to work on zebrafish.<!--more--><\/p>\n<p>There was a number of advantages to zebrafish, he said.\u00a0 For one thing, they&#8217;re closely enough related to humans to have the right genes, and so engineering cancer in them ought to provide a decent model for its analogue in humans.\u00a0 The other advantage had to do with their welfare; zebrafish, bless &#8217;em, not being the most neurologically complex of animals, they are less likely to suffer as a result of the experiments, or less likely to suffer to the same degree,\u00a0than would be, say, mice or rats.<\/p>\n<p>The problem was this: the accepted model for the kind of work he was doing is the mouse model.\u00a0 The speaker found, as a result, that he was effectively forced to use mice &#8211; if he didn&#8217;t, the chances of getting his research published fell dramatically.\u00a0 That is to say, he faced a paradox: he could reduce suffering by switching species, but in doing so, he&#8217;d run the risk that any suffering he did still cause would be entirely in vain, because the research wouldn&#8217;t be accepted.\u00a0 So he had either to pursue research that he thought unnecessarily harmful just in order for it not to be wasted; or he had to spend time that he could have spent curing cancer establishing the viability of the zebrafish model, in the hope of generating a massive culture change across the leading oncological journals.\u00a0 Neither of these was an enticing prospect.<\/p>\n<p>Still: there&#8217;s cause for optimism.\u00a0 <a href=\"http:\/\/www.newscientist.com\/article\/mg20527445.100-zebrafish-make-good-guinea-pigs-for-human-drugs.html\">A team at MIT and another at Harvard<\/a> have been looking at zebrafish as models for human brain activity\u00a0&#8211; again, simple and unlike us as they may be, they are close enough on\u00a0a molecular level.\u00a0 So it looks like the person to whom I was listening may have allies around the world.\u00a0 Given that &#8211; I assume &#8211; no researcher wants to cause more suffering than is necessary, this seems like a wholly good thing.\u00a0 If we can ditch rodents in favour of zebrafish, it&#8217;s tempting to think that we should.\u00a0 And the more scientists are willing to stick out their necks with a piscine model, the quicker it&#8217;ll be accepted.<!--TrendMD v2.4.8--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Not so long ago, I heard a research scientist talking about the work he was doing and its context in the discipline.\u00a0 He was looking at a particular set of genes that were implicated in cancer, and was interested in manipulating those genes as a means of controlling tumor formation.\u00a0 He wanted to work on [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/blogs.bmj.com\/medical-ethics\/2010\/01\/21\/a-fish-on-a-petri-dish\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[511,1],"tags":[317],"class_list":["post-235","post","type-post","status-publish","format-standard","hentry","category-in-the-news","category-uncategorized","tag-research"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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