Guest guest Posted August 4, 2001 Report Share Posted August 4, 2001 From: " Ilena Rose " <ilena@...> Sent: Friday, August 03, 2001 6:30 PM Subject: Some Women With Breast Implants May Be Genetically Predisposed to Illness > QUESTIONS: > > Why isn't this being studied further? > > Why aren't women being tested PRE-implants now to see if they may have a > genetic pre-disposition? > > This says: " Young and his co-workers are now trying to find out what is > triggering the production of autoantibodies. " > > Really? Where are the updates? > > Where are the follow ups? > [it was 3 years ago when our Dintino posted this.] > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~ > > > Some Women With Breast Implants > May Be Genetically Predisposed to Illness > > by Caroline Decker > > Contact: > Washington University School of Medicine in St. Louis > Caroline Decker > 314-286-0109 > > > Anecdotal reports of illness by some women with silicone gel breast implants > eventually led the federal Food and Drug Administration in 1992 to ban their > use pending a safety review. However, researchers still do not know why some > women with implants, and not others, develop symptoms suggestive of an illness. > Now, a study by researchers at Washington University School of Medicine in St. > Louis concludes that genetic factors may play a role. > > The study found that women with breast implants who had debilitating symptoms > such as chronic fatigue, burning breast pain, muscle or joint pain were more > likely to share genetic characteristics that differentiate them from women with > breast implants who have no symptoms. > > " To our surprise, we found that some women with implants may be genetically > predisposed to develop symptoms, " said lead researcher Leroy Young, M.D., a > plastic and reconstructive surgeon at Washington University School of Medicine. > > Moreover, the researchers found that women with breast implants and symptoms > also were more likely than others in the study to produce autoantibodies > against their B cells. B cells are a key component of the immune system, and > high frequencies of such autoantibodies are clearly abnormal, Young said. > > " Autoantibodies to B cells may hold clues that will help explain why some women > with breast implants develop symptoms, " he said. The team reported its findings > in the journal of Plastic and Reconstructive Surgery in December 1995. > > Since the FDA ban, researchers have tried to explain the origin of symptoms > reported by some women with breast implants. The lack of a recognized disease > in these patients and the failure to find a cause for their symptoms prompted > Washington University researchers to conduct the study. > > The researchers studied the genetic characteristics of 199 women -- 77 with > breast implants and symptoms, 37 with implants and no symptoms, 54 healthy > women without implants and 31 women diagnosed with fibromyalgia, a disease > defined by pain in connective tissues such as muscles, tendons and ligaments. > Fibromyalgia is not known to be immune-mediated and has no known cause. > > Women with fibromyalgia were included in the study to determine whether women > with breast implants are prone to develop the rheumatological disorder. > Symptoms of fibromyalgia are similar to those experienced by women with breast > implants who develop symptoms. " At first, we thought implants might trigger > fibromyalgia, " Young said. > > To be considered symptomatic, women with breast implants had to have one or > more of the following: burning breast pain, chronic fatigue, vague upper body > pain, muscle or joint pain. Their symptoms must have persisted for at least > four months and have interfered with daily activities, particularly with the > ability to maintain a job. > > Women with breast implants and those with fibromyalgia averaged 46 years of > age; those in the healthy comparison group were slightly younger, averaging 37 > years of age. Virtually all women in the study were white. Genetic > characteristics were determined by analyzing blood samples. The researchers > zeroed in on a group of proteins encoded by a collection of genes called the > major histocompatibility complex (MHC), which is known to play an important > role in immune response. They wanted to find out whether the MHC molecules of > symptomatic women with breast implants differed from those of women with breast > implants who did not have symptoms. > > The investigators used HLA (human leukocyte antigen) typing to analyze blood > samples; organ transplant teams use the same procedure to assess genetic > similarities between organ donors and recipients. > > Molecule Could Be a Marker > > They found that both women with implants and symptoms and women with > fibromyalgia were significantly more likely to have an HLA molecule called > DR-53. The molecule was present in 68 percent of symptomatic breast implant > patients and 65 percent of fibromyalgia patients, compared with 35 percent of > the asymptomatic implant patients. Fifty-two percent of the healthy women also > had the DR-53 molecule, which is similar to its natural frequency among white > women. DR molecules play a critical immunoregulatory role because they control > the interactions among the immune system's T cells, B cells and > antigen-presenting cells. > > Young and his colleagues initially suspected that women with breast implants > and symptoms actually had fibromyalgia. But when they looked closer, they found > that 42 percent of symptomatic women with breast implants formed antibodies > against their own B cells. Only 2 percent of healthy women formed > autoantibodies, compared with 14 percent of asymptomatic women with breast > implants and 19 percent of fibromyalgia patients. > > More striking, however, was the observation that 81 percent of the patients > with implants who produced autoantibodies were DR-53 positive. This compares > with 33 percent of fibromyalgia patients who were positive for both > autoantibodies and DR-53. > > " There's clearly a link between DR-53 and autoantibodies, " Young said. " But we > won't know what it means until we find out why these women are forming > autoantibodies at such a high rate. " > > Women with symptoms had had their breast implants for an average of 12 years, > compared with asymptomatic women who had had their implants for an average of > 10 years. So it's possible that the latter group may develop symptoms over > time. " This may be especially true for those asymptomatic women who are DR-53 > positive or who have produced autoantibodies to their own B cells, " Young said. > > Young and his co-workers are now trying to find out what is triggering the > production of autoantibodies. If they are formed in response to silicone gel or > one of its components, then the asymptomatic implant group also might be > expected to have high frequencies. On the other hand, if the autoantibodies are > somehow related to the presence of DR-53, the fibromyalgia patients might be > expected to have higher frequencies of B cell autoantibodies. > > " We can't fully explain the highly statistically significant formation of > autoantibodies to B cells, but their presence suggests the activation of an > immune-mediated process that is related to DR-53 and breast implant exposure, " > Young said. > > If the study's results are confirmed, DR-53 could be viewed as a marker for > individuals who may be predisposed to develop an immune-mediated response or > hypersensitivity reaction following silicone breast implants. But Young > cautioned that it is too early for the information to be used clinically and > that women with implants should not rush to their doctors and request HLA > tissue typing, a test that costs about $1,300. " The test is useful as a > research tool but would not be helpful in making clinical decisions, " Young > explained. " However, women with breast implants need regular follow-ups with > their physicians. " > > ### > ~~~~~~~~~~~~~~~~~~~~~~~~~~ > > > From: Osbourne (dd@...) > Subject: Re: Breast implants/Fibromyalgia > Newsgroups: alt.med.fibromyalgia > Date: 1998/03/02 > > > > > And on a more serious note, this from 1996. Originally from Ann Bradley, > though that should go almost without saying. Take good care. LLL -g > > ---- > Westport, Apr 01 (Reuters) - A team of St. Louis researchers believes the > reason why some women with breast implants reject the implants while others > do not is a matter of genetics. Dr. Leroy Young and associates at > Washington University School of Medicine reported their findings at the > American Chemical Society's meeting in New Orleans last week. > > Dr. Young's group used human leukocyte antigen (HLA) tissue typing to > evaluate 77 women with breast implants and symptoms, 37 women with > implants and no symptoms, 31 women with fibromyalgia and 54 healthy women > without implants. Symptomatic women with implants and women with > fibromyalgia > were more likely than the other subjects to have the HLA molecule DR-53. > In fact, 81% of the women with implants who produced autoantibodies and > 53% of the women with fibromyalgia who produced antibodies were > positive for DR-53. > > Dr. Young explains that the DR molecules play " ..a critical immunoregulatory > role..because they control the interactions among the immune system's > T cells, B cells, and antigen-presenting cells. " He sees, " ...a clear > link between DR-53 and autoantibodies. " The results, if confirmed, means > DR-53 could become a marker that would identify patients who would be > hypersensitive to silicone implants. > > ---- > Why isn't everyone being tested for DR-53? Or even just those looking > into breast augmentation. Dunno. Please spread the word. -g > > > Quote Link to comment Share on other sites More sharing options...
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