It was a chronic toxicity study and a welldesigned and wellconducted one. The new seralini rat corn study looks a lot like the old retracted one. Scienceafrica journalist european food safety authority. These are the conclusions of separate and independent assessments carried out by the european food safety authority efsa and six eu member states. Scientists fight against retraction of seralini gmo rat study. Long term toxicity of a roundup herbicide a, s x espla and received 11 april 2012 accepted 2 august 2012 available online 19 september 2012 with or without roundup, and roundup alone from 0. Journal retraction of seralini study is illicit, unscientific. They would also like to thank the many scientists and experts who contributed to the gmo myths and truths report, as well as the scientists, policymakers, campaigners, and members of the public who have read it and put the information. Scientists condemn retraction of seralini study farm wars. However, the weekbyweek analysis had relatively low statistical power, because it ignored the temporal structure of the data and. This retraction is to the antigmo world what the retraction of the infamous wakefield.
For instance, numerous food safety studies have been carried out on various genetically modified crops whereby the crops were fed to these rats. Ten things you need to know about the seralini study why this study now. Our study was designed as a chronic toxicity study and as a direct followup to a previous investigation on the same nk603 gm maize conducted by the developer company, monsanto. Roundup is an herbicide containing the active ingredient glyphosate. On 10 december 20 dr hayes defended his decision to retract the study in a published statement. Seralini is trying to overturn the consensus, and is so far failing. Report on mon 863 gm maize produced by monsanto company june 2005 controversial effects on health reported after subchronic toxicity test. Ten things you need to know about the seralini study gmo.
Followup longterm carcinogenicity studies, using test animal strains and numbers. Seralini s 2012 study 1 tested the longterm effects of monsantos gm nk603 maize, which is engineered to survive being sprayed with roundup herbicide, and roundup. Seralini basically did the same study as monsanto did to get its gmo corn approved. The implications and the impacts of this uncontrolled study is. The study found severe liver and kidney damage and hormonal disturbances in rats fed the gm maize and low levels of roundup that are below those permitted in drinking water in the eu. The editor of the journal food and chemical toxicology fct, dr a. He used this study to call into question the safety of. The study by french scientist gilleseric seralini immediately hit the headlines around the world. Because prof seralinis study was a chronic toxicity study and not a fullscale carcinogenicity study, which normally requires larger numbers of rats, he conservatively did not do a statistical analysis of the tumours and mortality findings. He sent shocking images around the world of rats with large tumors, images eagerly reproduced by. Only with adobe acrobat reader you can view, sign, collect and track feedback, and share pdfs for free. By gm watch, editors decision violates scientific publication ethics.
The research conducted to address concerns raised by the seralini study and provide the eu with guidance on the need for longterm studies identified no potential risk from the product. How ever, several studies consisting of 90 day rat feeding trials have been. The nk603 data are in a pdf format preventing an easy statistical reanalysis. Profile of gilleseric seralini, author of republished. A detailed analysis of the data in the subchronic toxicity studies 25 has. Elsevier has announced that they are retracting the infamous seralini study which claimed to show that gmo corn causes cancer in laboratory rats. It is a timely publication the first and only of its kind providing the latest documented information about the advancements in agricultural biotechnology. The paper elicited severe criticism from individual scientists and organizations, including some. Val giddings, phd, is a key player in agrichemical industry efforts to oppose transparency and safety regulations for genetically engineered foods and pesticides. A scientific analysis of the rat study conducted by gilles. Seralini s study is the only longterm study on the commercialized gm maize nk603 and the pesticide roundup it is designed to be grown with. A study published in 2012 found that a monsanto gm rounduptolerant maize and very low levels of the roundup herbicide it was engineered to be grown with caused severe organ damage and hormonal disruption in rats fed over a longterm period of two years.
The study used 200 rats divided into ten groups, each of ten males and ten females. The general causes of deathrepresented in histogram format within each of the. A russian longterm study that produced concerning results was suppressed and has not been followed up. Arjo g, portero m, pinol c, vinas j, matiasguiu x, capell t, et al. Scientists condemn retraction of seralini gmo study. With a view to address this lack of information, we performed a 2year detailed rat feeding study. In an announcement made today in france, the seralini study on the long term effects of gmos and glyphosate has been republished in the springer open source journal environmental sciences europe eseu, 2014, 26. Gmo seralini is a onestop resource for information about the research of gilleseric seralini and colleagues on genetically modified foods and roundup. Then explain what the study purported to show, and that it was published in 2012, retracted in 20 and republished in 2014. European food safety authority denounces seralini study seralini gm food controversy t his is a new publication, hotoff the press by the isaaa centafri er office based in nairobi. Big business was able to get seralinis study retracted from the journal it was published in. We may hear similar requests or wishes on doing such studies from regulatory affairs managers of other companies.
Monsanto secret documents show massive attack on seralini study. This article is not about whether food from gmos is safe nor whether regulatory requirements are strict enough, and those issues should not be recapitulated here. All results were hormone and sex dependent, and the pathological pro files were. The seralini gmo study retraction and response to critics. There is an ongoing international debate as to the necessary length of mammaliantoxicity studies, including metabolic analyses, in relation to the consumption ofgenetically modified gm plants. A new study shows that monsantos genetically modified corn and roundup herbicide cause negative health effects in rats. Genewatch glyphogate by sheldon krimsky, with gilleseric seralini, robin mesnage, and benoit bernay background. A french research study that claimed that rats fed a diet which contained a rounduptolerant genetically modified maize died more frequently and earlier over the two year study than control groups. Jun 24, 2014 this study constitutes afollowup investigation of a 90day feeding study conducted by monsanto in orderto obtain commercial release of this gmo, employing the same rat strain andanalyzing biochemical parameters on the same number of animals per group as ourinvestigation. Longestrunning gmo safety study finds tumors in rats are gmos dangerous. This 2 year study, covering the average life span of the rat, is the longest and most thorough feeding trial carried out on gmo food to date.
Longterm studies do not confirm gm is safe gmo myths and. The 24month study, billed by antigmo advocacy groups as the first of its kind, centered around the. Other mentions of criticism by scientific community should also be changed in the article to include support for a more balanced view. The gm maize alone was tested on three groups at 11%, 22% and 33% of the total diet. Plaintiffs motion for reconsideration of testmony re seralini study. Seralinis study 1 tested the longterm effects of monsantos gm nk603 maize, which is engineered to survive being sprayed with roundup herbicide, and roundup, both separately and in combination. The goal of seralini s study was to measure the effects of feeding rats roundup resistant nkg603 gm maize and roundup over a 2year period. Scientists react to republished seralini gmo maize rat study. These are better sources for what the seralini study was and wasnt, compared to an erroneous statement from the former editor of fct that the seralini study found a definitive link between glyphosate and cancer. In this study researchers led by gilleseric seralini from criigen have found that rats fed on a diet containing nk603 roundup tolerant gm maize or given water containing roundup, at levels permitted in drinking water and gm crops in the us, developed cancers faster and died earlier than rats fed on a. Jun 24, 2014 the new rat corn study by gilleseric seralini looks a lot like the old retracted one, according to a detailed analysis by the genetic literacy project.
The retraction comes one year after the paper was published, and seems to be a response to the avalanche of criticism the study has faced. The varieties of maize used in this study were the rtolerant nk603 monsanto corp. The seralini study an attack on independent research. Numerous studies of laboratory animals fed gm foods have found no evidence of risks to human health efsa gmo panel. Is the tox project teampanel of cli or i lsi the right platform to align tox experts. Thats what alexbrn was asking for in the section above. One can imagine that seralini is already plotting for the next big study. Long term toxicity of a roundup herbicide and a roundup. Seralini released a book and film promoting his findings on the day the article appeared, and he and his supporters launched a massive worldwide public relations effort the same day. Gilleseric seralini, university of caen, france and president of the scientific council of.
Ann clark, associate professor retired, plant agriculture, university of guelph, canada. These two types of maize were grown under similar normal conditions, in the same location, spaced at a suf. Their response concludes by saying, the authors do not offer. Jun 24, 2014 gilleseric seralini has republished his retracted study of herbicide resistant gmo maize and glyphosate in an obscure european open source journal.
Gmo myths and truths 2 gmo myths and truths an evidencebased examination of the claims made for the safety and efficacy of genetically modified crops and foods. Followup longterm carcinogenicity studies, using test animal strains and numbers of. The finding that in females, all the treated groups died 23 times. Personnel discusses plan seeking retraction of seralini glyphosate study. And when you want to do more, subscribe to acrobat pro. It is important to note that in order to isolate the effect of the gm transformation process from other variables. Long term toxicity of a roundup herbicide and a rounduptolerant genetically modi. Seralinis study showed detrimental effects of consuming the gmo corn. Scientists from around the world have united to condemn the retraction by the editor of the elsevier journal food and chemical toxicology fct of the pioneering study by prof seralinis team on gm maize and roundup herbicide. If anyone still doubts the quality of this study, they should simply read the republished paper. Our analysis of currently published evidence confirms nk603 and roundup are kidney and liver toxicants at levels below current regulatory thresholds. A 2015 reanalysis of multiple animal studies found that seralini chose to forgo statistical tests in the main conclusions of the study. Date added to website 25th june 2014 gmfree cymru welcomes the republication of this important study, which was retracted last year from fct journal following a coordinated and vicious campaign of vilification and dafamation directed at prof gilleseric seralini and his fellow researchers by the assembled ranks of the gm industry and its acolytes. A study published in 2012 found that a monsanto gm rounduptolerant maize and very low levels of the roundup herbicide it was engineered to be grown with caused severe organ damage and.
Seralini s study was unethical, poorlydone, and ideologically motivated the seralini study suffers from small sample size, lack of statistical analysis, ambiguous results, a questionable selection of rat strain which maximizes noise in the data, and dubious ethical treatment of the animals for possible dramatic effect. Summary the biotech industry has launched an extensive offensive to discredit the study published last september by a team of french researchers suggesting serious concerns about the long term health impact of monsantos nk603 maize and the roundup herbicide it has been genetically engineered. Most criticisms of seralini s study wrongly assume it was a badly designed cancer study. Instead he simply reported them, without drawing definitive conclusions. The researchers set out to reproduce a 2004 monsanto study published in the same journal2 and used by the european food safety authority efsa for its 2009 positive evaluation of nk6033, basing their experiment on the same protocol4. Republished retracted seralini gmo corn rat study faces harsh.
John fagan1, terje traavik 2,3 and thomas bohn2 abstract a paper reporting findings relevant to safety of the genetically modified gm maize nk603 and the herbicide roundup seralini et al. A scientific analysis of the rat study conducted by gilleseric seralini. Currently, no regulatory authority requires mandatory chronic animal feedingstudies to be performed for edible genetically modified organisms gmos, or evenshortterm studies with blood analyses for. However, the weekbyweek analysis had relatively low statistical power, because it ignored the temporal structure of the data and was therefore potentially wasteful of information.
Here is a summary of the seralini related documents released on tuesday. The authors are grateful to the isvara foundation for its financial support for the gmo myths and truths project. Infamous seralini gmo rat tumor study debunked by european. Jan 29, 2014 scientists from around the world have united to condemn the retraction by the editor of the elsevier journal food and chemical toxicology fct of the pioneering study by prof seralinis team on gm maize and roundup herbicide. Gmo myths and truths seralini study attacked by progm.
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