ALLERGY, RESPIRATORY
Air Quality Better in Northeast, Midwest
Combating Myths About Seasonal Allergies
Air Pollution May Raise Blood Pressure
ALTERNATIVE MEDICINE
Placebo Acupuncture Tied to Higher IVF Pregnancies
Acupuncture May Ease Depression During Pregnancy
Licorice May Block Absorption of Organ Transplant Drug
ANIMAL CARE
Rest Easy. When It Comes to Swine Flu, Your Pet Is Safe
Animals Respond to Acupuncture's Healing Touch
Separation Anxiety, Canine-Style
BONES & JOINTS
Active Young Women Need Calcium, Vitamin D
Most Women With Osteoporosis Unaware of Raised Fracture Risk
Healthy adults have potential autoimmune disease-causing cells
CANCER
Poor Women Seem to Be Skipping Breast Cancer Drugs
Healthy Behaviors Slow Functional Decline After Cancer
Hypnosis Cuts Hot Flashes for Breast Cancer Survivors
CAREGIVING
Recession Scrambling Health Spending in U.S.
Most Women Struggle With Rising Health Care Costs
Diabetes Epidemic Now Poses Challenges for Nursing Homes
CIRCULATORY SYSTEM
Common Antioxidant Might Slow Parkinson's
An Apple a Day May Help Keep Heart Disease Away
Salt Boosts Blood Pressure in High-Risk Patients
COSMETIC
Health Tip: After Liposuction
Get Sugared!.... Its a sweet choice for hair removal
Study Evaluates Laser Therapies for Hair Removal
DENTAL, ORAL
Dental Implants Need More Work Than Root Canals
Holistic Dentistry-My View
Obesity Boosts Gum Disease Risk
DIABETES
Lifestyle Factors Tied to Older Adults' Diabetes Risk
Saliva Test Could Monitor Type 2 Diabetes
Treatment for Type 2 Diabetes Updated
DIET, NUTRITION
More Whole Grains May Mean Less Fat
Added Sugars in Diet Threaten Heart Health
An Apple a Day May Help Keep Heart Disease Away
DISABILITIES
Could Your Cell Phone Help Shield You From Alzheimer's?
Review Finds Marijuana May Help MS Patients
ENVIRONMENTAL HEALTH
Pregnant Rural Women More at Risk
Scorpion Anti-Venom Speeds Children's Recovery
Environmental Chemicals May Affect Male Reproduction
EYE CARE, VISION
Action-Filled Video Games Boost Adult Vision
Vision Test for Young Children Called Unreliable
Kids Think Glasses Make Others Look Smart, Honest
FITNESS
Almost Two-Thirds of Americans Meet Exercise Guidelines
When It Comes to Lifting, the Pros Have Your Back
Brisk Walk Can Help Leave Common Cold Behind
GASTROINTESTINAL PROBLEMS
New Yogurt May Ease Stomach Ulcers
Traditional Nonsurgical GERD Treatments Not Impressive
Soothing Imagery May Help Rid Some Kids of Stomach Pain
GENERAL HEALTH
When Clocks Change, Body May Need Time to Adjust
Simple Exercise Precautions To Help Keep Baby Boomers Fit
Heart Disease May Be Prevented By Taking Fish Oils, Study Shows
HEAD & NECK
Zen May Thicken Brain, Thwart Pain
Many Children Will Outgrow Headaches
Ski Helmets Encouraged for All
HEALTH & TECHNOLOGY
Subway Defibrillators Save Lives
Magnet Therapy May Ease Hard-to-Treat Depression
'Comfort Dogs' Come to Emotional Rescue
HEARING
Noise Hurts Men's Hearing More, Study Shows
Summer Sounds Can Lead to Hearing Loss
HEART & CARDIOVASCULAR
Using Light Therapy to Silence Harmful Brain Activity
Fatty Fish May Cut Heart Failure Risk in Men
Omega-6 Fatty Acids Can Be Good for You
INFECTIOUS DISEASE
Swine Flu Is Now a Pandemic Says W.H.O.
Viral Infection Might Trigger High Blood Pressure
Chinese 'Devil Dung' Plant Could Be a Swine Flu Fighter
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Scorpion Anti-Venom Speeds Children's Recovery
Daily Exercise at School Yields Rewards
Exercise in Adolescence May Cut Risk of Deadly Brain Tumor
MEN'S HEALTH
Exercise May Prevent Prostate Cancer: Study Shows
Strenuous Daily Workout May Keep Cancer at Bay
Noise Hurts Men's Hearing More, Study Shows
MENTAL HEALTH
Shop 'Til You Drop: You May Feel Better
Keeping a Healthy Holiday Balance
Meaningful Conversations Boost Kids' Language Skills
PAIN
Acupuncture, Real or Fake, Eases Back Pain
Alleviating Rheumatoid Arthritis
Are We Exercising Pain Away? Not So Much.
PHYSICAL THERAPY
PREGNANCY
Breast-Feeding May Protect a Woman's Heart
Sleeping Could Help Women Lose The Baby Fat
Music of Mozart Soothes the Preemie Baby
SENIORS
A Little Alcohol May Stave Off Alzheimer's
15-Point Test Gauges Alzheimer's Risk
Eating Well And Keeping Active As You Grow Old Will Help You Stay Sharp
SEXUAL HEALTH
SLEEP DISORDERS
Pay Attention to Signs That Say You're Too Fatigued to Drive
Moderate Aerobics May Ease Insomnia Symptoms
Better Sleep, Grades Seem to Go Up
WOMEN'S HEALTH
Iodine in Prenatal Vitamins Varies Widely
Exercise As Well As Acupuncture, May Ease Polycystic Ovarian Syndrome
Sleeping Could Help Women Lose The Baby Fat
Add your Article

Healthy adults have potential autoimmune disease-causing cells

(HealthDay News) -- Healthy adults have potential autoimmune disease-causing cells, but these cells stay in an "off" state, a U.S. study shows.

Immune cells that attack the body cause autoimmune diseases such as lupus and rheumatoid arthritis (RA). Whether the switched-off cells in healthy adults are true precursors of the self-attacking immune cells and, if so, what prevents them from causing disease in certain people, isn't known, the researchers said.

J. Andrew Duty, of the Oklahoma Medical Research Foundation, and colleagues found that anergic (dormant) autoimmune disease-causing cells account for 2.5 percent of immune B-cells circulating in the blood of healthy adults.

These anergic cells don't appear to cause problems in healthy adults, but did produce self-reactive antibodies when exposed to a strong stimulus in lab experiments. This means these anergic cells may contain the precursors for the self-attacking B-cells in patients with autoimmune disease, the researchers said.

In previously healthy people, anergy may somehow break down and allow self-attacking B-cells to cause autoimmune disease.

The study was published in the Dec. 22 online issue of The Journal of Experimental Medicine.

More information

The U.S. National Women's Health Information Center has more about autoimmune diseases.



-- Robert Preidt



SOURCE: Rockefeller University Press, news release, Dec. 22, 2008

Last Updated: Dec. 22, 2008

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