Oppdatert: I løpet av kort tid ifjor har 230 forskere, leger og jurister undertegnet en erklæring om at GMO-trygghet faktisk ikke har vitenskapelig konsensus slik noen forsøker å påstå.
Allerede samme dag erklæringen gikk ut, hadde over 90 underskrevet den. Nå har mer enn dobbelt så mange undertegnet og det ser ut til at stadig flere kommer til.
En av de siste som har skrevet under er Dr. Belinda Martineau, tidligere medlem av Michelmore Lab ved UC Davis Genome Center University of California, som hjalp å kommersialisere verdens første GMO mat, Flavr Savr tomat. Selskapet bak tomaten ble siden oppkjøpt av Monsanto.
[blockquote style=»1″]Jeg støtter helhjertet denne grundige, gjennomtenkte og profesjonelle uttalelsen som beskriver mangelen på vitenskapelig enighet om sikkerheten av genmodifisert (GMO) avlinger og andre GMO- organismer. Samfunnsdebatten om hvordan man best kan utnytte denne kraftige teknologien av genteknologi er åpenbart ikke over. For GMO- støttespillere å anta at det er, er litt mer enn ønsketenkning.[/blockquote] , sier Dr. Martineau.
Dr Judy Carman, direktør for Institute of Health and Environmental Research, Adelaide, og Førsteamanuensis II, helse og miljø, Flinders University, South Australia, har også underskrevet og sier:
[blockquote style=»1″]Av de hundrevis av ulike GMO-avlinger som er godkjent for menneskers og dyrs konsum, et eller annet sted i verden, har få vært grundig sikkerhetstestet. Så det er ikke mulig å ha konsensus om at det er trygt å spise -. I det minste ikke en konsensus basert på harde vitenskapelige bevis avledet fra eksperimentelle data.[/blockquote]
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Oppdatering januar 2014
End double standards in evaluating GMO safety studies – say scientists
Europe’s food safety agency only criticises studies that find risk, new analysis shows
ENSSER Press release
The controversy about the Séralini et al. study, which reported negative health effects of Monsanto’s NK603 GM maize and Roundup herbicide fed to rats over the long term, is still going on. According to a new review published inEnvironmental Sciences Europe, the European Food Safety Authority (EFSA) used unscientific double standards to dismiss the Séralini study on genetically modified (GM) maize.
The publication of this latest review comes just days after the retraction of the Séralini paper by Elsevier, the publisher of Food and Chemical Toxicology(FCT), on the unprecedented grounds of the “inconclusive” nature of some of the findings. ENSSER condemned the retraction .
The Séralini study triggered an immediate storm of criticism by scientists and organisations, most of whom are known for their support of GMOs and their pleas for sweeping deregulation of GM plants in the EU and relaxation or even abandonment of risk assessment standards.
Retrospective and selective application of new standards by EFSA
In September 2012, the European Commission asked EFSA to review the Séralini study. EFSA did so by retrospectively applying new standards released in 2011 to scientific work that Séralini planned and started in 2008. EFSA concluded that the Séralini study was “inadequate”.
But EFSA did not apply these same standards retrospectively to the original rat feeding study by Monsanto, even though the underlying design for the Monsanto study was later repeated by Seralini. The Monsanto study concluded that this same GM maize was safe to eat, resulting in the approval for consumption of this GM crop by millions of animals and EU citizens in 2005.
EFSA review undermined the basic principles of science
Hartmut Meyer, one of the authors of the new review, said, “Use of such double standards is a common response from scientists calling for GMO deregulation and, somewhat surprisingly, also from some government authorities, to studies that show negative environmental and health effects of GMOs. Only those studies that find problems are subjected to excessive scrutiny and rejected as defective. This approach appears to be a tactic to avoid dealing with ‘inconvenient’ results, whilst selecting for ‘convenient’ results.»
The new review then applied the same criteria used by EFSA to reject the Séralini study to 21 other 1-2-year feeding studies published in peer-reviewed scientific journals during the last 20 years. Those studies did not test feed derived from GM plants but mostly chemicals, used the same strain of rat, similar low numbers of tested animals and likewise modified protocols that extended or diverged to some degree from the strict OECD protocols and EFSA criteria as both Seralini and Monsanto did.
Restore scientific principles of objectivity
Angelika Hilbeck, the second author of the new review and chair of the European Network of Scientists for Social and Environmental Responsibility (ENSSER), said, “ENSSER wants to see scientific objectivity restored. We are calling for an end to the use of double standards, particularly by EFSA, in the evaluation of scientific research on substances that may pose risks to public health. We need a reasoned, respectful debate with the aim of reaching a consensus on the evaluation standards that must be consistently applied to all toxicity and carcinogenicity trials, regardless of whether they have findings that are ‘inconvenient’ for certain parties. EFSA should take the lead here.”
“It’s time to stop selectively attacking methods and begin to deal with the results.”
Double standards used to claim GMO safety
Another example of selective scrutiny of study methods in order to avoid dealing with the results is a review of GMO safety studies conducted by Snell et al. (2012). In their review of 24 animal feeding trials with GM plant-derived feed, the authors noticed severe methodological shortcomings in a majority of the analysed publications, e.g. isogenic lines as controls were only used in 10 studies. However, Snell et al. used these shortcomings as arguments to dismiss those studies stating negative effects – but not those stating safety. Based on this asymmetrical, result-triggered approach, the review incorrectly concludes that no health hazards were found in 24 analysed publications.
Notes for editors
Hartmut Meyer and Angelika Hilbeck are founding members of the European Network of Scientists for Social and Environmental Responsibility (ENSSER). The European Network of Scientists for Social and Environmental Responsibility (ENSSER) was founded in 2009 to improve the quality of basic and regulatory science used in the risk analysis of existing and emerging technologies and their products such as genetically modified organisms, chemicals, food technologies, geo-engineering, nanomaterials, and synthetic biology, including the risk of their military use. To enable such scientific work, ENSSER advocates the creation of spaces for scientific work independent from the influence of the developers and owners of current technologies, supports early-warning scientists and promotes their protection from discrimination and discreditation. ENSSER members are contributing to the current scientific debates on technology and risk assessment in modern biotechnology
 Séralini G-E, E Claira, R Mesnage, S Gress, N Defarge, M Malatesta, D Hennequin, JS de Vendômois. 2012. Long term toxicity of a Roundup herbicide and a Roundup-tolerant genetically modified maize. Food Chem Toxicol 50: 4221-4231
 Meyer H, A Hilbeck. 2013. Rat feeding studies with genetically modified maize – a comparative evaluation of applied methods and risk assessment standards. Environmental Sciences Europe 25: 33;http://www.enveurope.com/content/25/1/33/about
 Science Media Centre: Study on cancer and GM maize – experts respond. Science Alert of 20.09.2012.http://www.sciencemediacentre.co.nz/2012/09/20/study-on-cancer-and-gm-maize-experts-respond/
Public Research and Regulation Initiative: Letter and Q&A – Seralini et al 2012; http://www.prri.net/questions-and-answers/qa-seralini-et-al-2012/
 EFSA Scientific Committee. 2011. EFSA guidance on conducting repeated-dose 90-day oral toxicity study in rodents on whole food/feed. EFSA J 9(12):2438
 European Food Safety Authority. 2012. Review of the Séralini et al. (2012) publication on a 2-year rodent feeding study with glyphosate formulations and GM maize NK603 as published online on 19 September 2012 in Food and Chemical Toxicology. EFSA J 10(10):2910
 Hammond B R Dudek, J Lemen , M Nemeth. 2004. Results of a 13 week safety assurance study with rats fed grain from glyphosate tolerant corn. Food Chem Toxicol 42: 1003-1014
 Snell C, A Bernheim, J-B Bergé, M Kuntz, G Pascal, P Paris, AE Ricroch. 2012. Assessment of the health impact of GM plant diets in long-term and multigenerational animal feeding trials: A literature review. Food Chem Tox 50:1134-1148
 see for example «Implications for GMO-cultivation and monitoring», a thematic series in Environmental Sciences Europe;www.enveurope.com/series/GMO_cultivation
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