Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

An important breakthrough in immunology by IRCM researchers

08.06.2012
Dr. André Veillette’s team elucidates a molecular mechanism associated with an immune disorder
A team of researchers at the IRCM led by Dr. André Veillette made an important breakthrough in the field of immunology, which will be published online today by the scientific journal Immunity. The scientists explained a poorly understood molecular mechanism associated with a human immune disorder known as XLP disease or Duncan’s syndrome.

“We studied the SAP molecule, which plays a critical role in multiple different types of immune cells,” says Dr. Veillette, Director of the Molecular Oncology research unit at the IRCM. “More specifically, we wanted to understand why SAP is an essential component of natural killer cells’ ability to eliminate abnormal blood cells.”

Natural killer (NK) cells are crucial to the immune system, and provide rapid responses against cancer and virus-infected cells, especially blood cells as can be found in leukemia and lymphomas. Patients with XLP are at a high risk of developing lymphomas.

“Until now, the way by which SAP enhances NK cells’ response to abnormal blood cells was not well understood,” explains Zhongjun Dong, former researcher in Dr. Veillette’s laboratory and first author of the article. “We discovered that SAP stimulates the function of NK cells through a double mechanism. On one hand, it couples the necessary genes and enzymes to increase NK cell responses, and on the other hand, it prevents genes from inhibiting these responses.” Dr. Dong is now a professor at Tsinghua University, a leading university in China.

“The SAP molecule is important in immunity, as it is associated with most cases of XLP disease,” adds Dr. Veillette. “In addition, our findings may have implications on the role of SAP in other diseases such as lupus and arthritis.”

According to the XLP Research Trust, X-linked lymphoproliferative disease (XLP), also known as Duncan’s syndrome, is a fatal disease affecting boys worldwide. The cause of the condition was only found in 1998, so many cases may not yet have been properly diagnosed. If untreated, approximately 70% of patients with XLP die by the age of 10.

Dr. Veillette’s research is funded by the Canada Research Chairs program and the Canadian Institutes for Health Research (CIHR). “I applaud Dr. Veillette and his team for their research in the field of human immune disorder and their breakthrough discovery in understanding the role of the SAP protein in controlling abnormal blood cells," said Dr. Marc Ouellette, Scientific Director of the CIHR Institute of Infection and Immunity. "Their work will contribute to a better understanding of our immune system and how to treat human immune diseases for improved health for all Canadians.”

For more information on this discovery, please refer to the article summary published online by Immunity.

About Dr. André Veillette
André Veillette obtained his medical degree from the Université Laval. He is Full IRCM Research Professor and Director of the Molecular Oncology research unit. Dr. Veillette is a full researcher-professor in the Department of Medicine (accreditation in molecular biology) at the Université de Montréal. He is also adjunct professor in the Department of Medicine (Division of Experimental Medicine) at McGill University. Dr. Veillette holds the Canada Research Chair in Immune System Signalling. For more information, visit www.ircm.qc.ca/veillette.

About the Institut de recherches cliniques de Montréal (IRCM)
Founded in 1967, the IRCM (www.ircm.qc.ca) is currently comprised of 36 research units in various fields, namely immunity and viral infections, cardiovascular and metabolic diseases, cancer, neurobiology and development, systems biology and medicinal chemistry. It also houses three specialized research clinics, seven core facilities and three research platforms with state-of-the-art equipment. The IRCM employs 425 people and is an independent institution affiliated with the Université de Montréal. The IRCM clinic is associated to the Centre hospitalier de l’Université de Montréal (CHUM). The IRCM also maintains a long-standing association with McGill University.

About the Canadian Institutes of Health Research (CIHR)
The Canadian Institutes of Health Research (www.cihr-irsc.gc.ca) is the Government of Canada’s health research investment agency. CIHR’s mission is to create new scientific knowledge and to enable its translation into improved health, more effective health services and products, and a strengthened Canadian health care system. Composed of 13 Institutes, CIHR provides leadership and support to more than 14,100 health researchers and trainees across Canada.

For more information and to schedule an interview with Dr. Veillette, please contact:

Julie Langelier
Communications Officer (IRCM)
julie.langelier@ircm.qc.ca
(514) 987-5555

Lucette Thériault
Communications Director (IRCM)
lucette.theriault@ircm.qc.ca
(514) 987-5535

Julie Langelier | EurekAlert!
Further information:
http://www.ircm.qc.ca

More articles from Health and Medicine:

nachricht Team discovers how bacteria exploit a chink in the body's armor
20.01.2017 | University of Illinois at Urbana-Champaign

nachricht Rabies viruses reveal wiring in transparent brains
19.01.2017 | Rheinische Friedrich-Wilhelms-Universität Bonn

All articles from Health and Medicine >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Traffic jam in empty space

New success for Konstanz physicists in studying the quantum vacuum

An important step towards a completely new experimental access to quantum physics has been made at University of Konstanz. The team of scientists headed by...

Im Focus: How gut bacteria can make us ill

HZI researchers decipher infection mechanisms of Yersinia and immune responses of the host

Yersiniae cause severe intestinal infections. Studies using Yersinia pseudotuberculosis as a model organism aim to elucidate the infection mechanisms of these...

Im Focus: Interfacial Superconductivity: Magnetic and superconducting order revealed simultaneously

Researchers from the University of Hamburg in Germany, in collaboration with colleagues from the University of Aarhus in Denmark, have synthesized a new superconducting material by growing a few layers of an antiferromagnetic transition-metal chalcogenide on a bismuth-based topological insulator, both being non-superconducting materials.

While superconductivity and magnetism are generally believed to be mutually exclusive, surprisingly, in this new material, superconducting correlations...

Im Focus: Studying fundamental particles in materials

Laser-driving of semimetals allows creating novel quasiparticle states within condensed matter systems and switching between different states on ultrafast time scales

Studying properties of fundamental particles in condensed matter systems is a promising approach to quantum field theory. Quasiparticles offer the opportunity...

Im Focus: Designing Architecture with Solar Building Envelopes

Among the general public, solar thermal energy is currently associated with dark blue, rectangular collectors on building roofs. Technologies are needed for aesthetically high quality architecture which offer the architect more room for manoeuvre when it comes to low- and plus-energy buildings. With the “ArKol” project, researchers at Fraunhofer ISE together with partners are currently developing two façade collectors for solar thermal energy generation, which permit a high degree of design flexibility: a strip collector for opaque façade sections and a solar thermal blind for transparent sections. The current state of the two developments will be presented at the BAU 2017 trade fair.

As part of the “ArKol – development of architecturally highly integrated façade collectors with heat pipes” project, Fraunhofer ISE together with its partners...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Sustainable Water use in Agriculture in Eastern Europe and Central Asia

19.01.2017 | Event News

12V, 48V, high-voltage – trends in E/E automotive architecture

10.01.2017 | Event News

2nd Conference on Non-Textual Information on 10 and 11 May 2017 in Hannover

09.01.2017 | Event News

 
Latest News

An innovative high-performance material: biofibers made from green lacewing silk

20.01.2017 | Materials Sciences

Ion treatments for cardiac arrhythmia — Non-invasive alternative to catheter-based surgery

20.01.2017 | Life Sciences

Bodyguards in the gut have a chemical weapon

20.01.2017 | Life Sciences

VideoLinks
B2B-VideoLinks
More VideoLinks >>>