Navigation Links
Researchers develop specific tests to identify cancer biomarkers in dermatomyositis
Date:9/2/2013

Researchers from major universities in the U.S. have developed specific tests to identify cancer biomarkers in patients with dermatomyositisa systemic inflammatory disease associated with increased risk of malignancy. According to study findings published in the American College of Rheumatology (ACR) journal, Arthritis & Rheumatism, the assays detect antibodies against anti-transcriptional intermediary factor-1 (TIF-1γ) and nuclear matrix protein NXP-2.

Patients with dermatomyositis experience muscle weakness, skin inflammation, and sometimes inflammation of the lung. Most patients with dermatomyositis have auto-antibodies circulating in their bodies that cause distinct clinical disease features. Medical evidence suggests that these auto-antibodies in dermatomyositis patients stem from specific immune responses that shape various characteristics (phenotypes). In addition, up to 20% of those with dermatomyositis are at increased risk of malignancies.

"For the physician treating patients with dermatomyositis, identifying those at higher risk for cancer is a top priority," explains Dr. David Fiorentino from Stanford University in Redwood City, Cal. "Our team focused on creating specific tests to detect antibodies against two specific proteins and then testing if those antibodies can identify dermatomyositis patients at higher risk of cancer."

The team used both immunoblotting and immunoprecipitation techniques to detect antibodies against TIF-1γ and NXP-2 proteins. Blood analysis was performed on 111 patients from Stanford University Dermatology Clinic and 102 patients from the Johns Hopkins University (JHU) Myositis Center. Both groups were similar in gender and age at diagnosis.

Results show that 17% and 38% of subjects in the two cohorts combined had antibodies against NXP-2 and TIF-1γ, respectively. Using the specific assays, researchers found 83% of dermatomyositis patients with cancer had a reaction to NXP-2 or TIF-1γ. Further analysis indicates that cancer, older age, and male gender were linked to NXP-2 or TIF-1γ antibodies, with anti-NXP-2 specifically associated with cancer in men.

"Our findings confirm the link between cancer and age in dermatomyositis, with a sharp increase in frequency at roughly 60 years of age." concludes Dr. Fiorentino. "By determining the presence or absence of NXP-2 and TIF-1γ antibodies, we believe that this will aid clinicians in identifying those with the highest cancer risk."


'/>"/>

Contact: Dawn Peters
sciencenewsroom@wiley.com
781-388-8408
Wiley
Source:Eurekalert

Related medicine news :

1. NIH awards $20 million over 5 years to train next generation of global health researchers
2. Researchers develop a new cell and animal model of inflammatory breast cancer
3. Researchers uncover a viable way for colorectal cancer patients to overcome drug resistance
4. Researchers Find Gene Mutations That May Be a Key to Autism
5. Researchers find evidence of banned antibiotics in poultry products
6. NJ stroke researchers report advances in spatial neglect research at AAN Conference
7. Autism by the numbers: Yale researchers examine impact of new diagnostic criteria
8. Researchers Map Brain Regions Linked to Intelligence
9. Researchers ID Genes That May Determine Mental Illness
10. Researchers Develop Blood Test for Depression
11. University of Cincinnati researchers win $3.7M grant from US Department of Defense
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:2/8/2016)... (PRWEB) , ... February 08, 2016 , ... Guruji Mahendra ... 9th, 10th and 11th, 2016 in honor of his birthday on February 10th. ... happiness. Mahendra Trivedi is known by over 250,000 people from over 40 different ...
(Date:2/7/2016)... ... February 07, 2016 , ... Women’s Excellence now ... the most minimally invasive approaches. , Women who have had multiple vaginal births ... factors include surgery to the pelvic floor, connective tissue disorders, and obesity. Women ...
(Date:2/7/2016)... Scottsdale, AZ (PRWEB) , ... February 07, 2016 ... ... & Neck and Facial Plastics, has added Kybella® to his medical and surgical ... is a newly approved FDA injectable medication used as a non-surgical alternative for ...
(Date:2/6/2016)... CA (PRWEB) , ... February 06, 2016 , ... With ... and easily add warm color grades to their footage. A LUT is a Lookup ... pixel's color to the corresponding color indicated by the table. By manipulating each pixel, ...
(Date:2/5/2016)... ... 2016 , ... Steven Tonkinson, 36, of Coconut Grove, Florida, ran the Miami ... in 2003. This year, he ran all 26.2 miles with a green 25-pound ShelterBox ... Miami Heat. , This Sunday, while many are watching the Superbowl, Steven Tonkinson will ...
Breaking Medicine News(10 mins):
(Date:2/8/2016)... Tenn. , Feb. 8, 2016  A research ... scientists has discovered details of how the abnormal ... triggers a particularly aggressive form of acute lymphoblastic leukemia ... in which genetic mutations trigger overproduction of immature cells, ... The discoveries of the malfunction underlying the type ...
(Date:2/8/2016)... SAN DIEGO , Feb. 8, 2016 /PRNewswire/--  ... have announced that advanced tissue-engineering services are now ... using a groundbreaking new three-dimensional (3D) bioprinting approach ... Regenova® 3D Bio Printer , a state-of-the-art robotic ... Applications has created a powerful pay-for-service bio-printing model ...
(Date:2/8/2016)... Feb. 8, 2016 ... of the "Label-Free Detection Market by ... 2020" report to their offering. ... addition of the "Label-Free Detection Market ... to 2020" report to their offering. ...
Breaking Medicine Technology: