Navigation Links
Israeli scientists identify: Genes that affect responses of multiple sclerosis patients to copaxone
Date:10/10/2007

A group of Israeli scientists from the Technion Israel Institute of Technology, the Weizmann Institute of Science and Teva Pharmaceutical Industries have recently identified genes responsible for the positive response of many multiple sclerosis patients to the drug Copaxone®. These findings may contribute to the development of personalized medicine for multiple sclerosis sufferers.

Copaxone® was the first original Israeli drug to be approved by the U.S. Food and Drug Administration (FDA), and is today marketed in over 40 countries worldwide, including the U.S.A., Europe, Australia, Latin America and Israel.

The drug molecule was the fruit of research by Prof. Michael Sela, Prof. Ruth Arnon and Dr. Dvora Teitelbaum of the Weizmann Institutes Immunology Department. It was developed for the treatment of multiple sclerosis (MS) by Teva, which produces and markets Copaxone® today.

'Until now, medical treatments for all kinds of diseases have relied on trial and error methods to determine dosage and treatment protocols,' says Prof. Ariel Miller of the Ruth and Bruce Rappaport Faculty of Medicine at the Technion, and Head of the Multiple Sclerosis and Brain Research Center, Carmel Medical Center, Haifa. 'But the process of fixing the correct dosage affects the efficacy of the treatment and can lead to complications in some cases.' In the past few years, it has been shown that many drugs are not equally effective for every patient, and this variability is due, at least in part, to genetic differences. Finding medications and doses to suit the genetic make-up of each individual patient is likely to be more successful and to cause fewer side effects.

The new research, which deals with the genetic components of the response to Copaxone®, was recently published in the journal Pharmacogenetics and Genomics. It represents a significant step toward realizing this medical vision. In the collaborative study, Teva supplied DNA samples from drug-treated patients, and the genetic tests were performed at the Crown Human Genome Center of the Weizmann Institute, headed by Prof. Doron Lancet of the Institutes Department of Molecular Genetics. The scientists used state-of-the-art equipment the first of its kind in Israel which allows for the rapid and accurate scanning of variations in the human genome. The scientists then examined the links between the genetic markers they found and the response of MS patients to Copaxone®. They identified several genes that are tied to a positive response to the drug. 'We analyzed the DNA sequences in 27 candidate genes from each patient participating in the trial,' said Lancet, 'and we identified two genes with a high potential for determining the response to Copaxone®. In the future, it may be possible to use this method to scan the genome of MS sufferers, to predict the response levels in advance, and to optimize the dosage and treatment protocol to suit each patient personally.'


'/>"/>

Contact: Yivsam Azgad
news@weizmann.ac.il
972-893-43856
Weizmann Institute of Science
Source:Eurekalert

Related biology news :

1. Israeli scientists successfully transplant frozen-thawed ovaries in sheep
2. Wisconsin scientists grow critical nerve cells
3. Scientists ID molecular switch in liver that triggers harmful effects of saturated and trans fats
4. UCSB scientists probe sea floor venting to gain understanding of early life on Earth
5. UAB scientists discover the origin of a mysterious physical force
6. Fox Chase Cancer Center scientists identify immune-system mutation
7. Scientists Replicate Hepatitis C Virus in Laboratory
8. Scientists detect probable genetic cause of some Parkinsons disease cases
9. Scientists find missing enzyme for tuberculosis iron scavenging pathway
10. Scientists seek answers on what activates deadly anthrax spores
11. Yale Scientists Find MicroRNA Regulates Ras Cancer Gene
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:4/19/2017)... New York , April 19, 2017 ... competitive, as its vendor landscape is marked by the ... the market is however held by five major players ... Safran. Together these companies accounted for nearly 61% of ... of the leading companies in the global military biometrics ...
(Date:4/11/2017)... April 11, 2017 Crossmatch®, a globally-recognized ... solutions, today announced that it has been awarded ... Projects Activity (IARPA) to develop next-generation Presentation Attack ... "Innovation has been a driving force within ... will allow us to innovate and develop new ...
(Date:4/5/2017)... , April 5, 2017  The Allen Institute ... Allen Cell Explorer: a one-of-a-kind portal and dynamic digital ... 3D imaging data, the first application of deep learning ... human stem cell lines and a growing suite of ... platform for these and future publicly available resources created ...
Breaking Biology News(10 mins):
(Date:7/20/2017)... ... July 20, 2017 , ... Dr. Asher Kimchi, Founder and Chairman of the ... IAC Awards at the 22nd World Congress on Heart Disease held in Vancouver, BC, ... receive the Distinguished Fellowship Awards. , Dr. Asher Kimchi, together with Co-Chairmen Dr. John ...
(Date:7/20/2017)... , ... July 20, 2017 , ... Corporate Directors Forum ... its 27th annual Director of the Year Awards. , The awards will be presented ... This annual event celebrates directors who have made significantly positive contributions in the ...
(Date:7/18/2017)... ... July 18, 2017 , ... G-CON today ... and Trademark Office for its Patent Applications 14/858,857 and 13/669,785 both entitled Modular, ... patent applications further expand the protection of G-CON’s R&D investments and validate the ...
(Date:7/17/2017)... ... July 17, 2017 , ... The Academy of Model Aeronautics (AMA) will host ... Day will take place from 9 a.m. to 2 p.m. at the International Aeromodeling ... ages. , Aviation Adventure Day will be packed with entertaining activities for the entire ...
Breaking Biology Technology: