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Rh disease (also known as Rh (D) disease, Rhesus incompatibility, Rhesus disease, RhD Hemolytic Disease of the Newborn, Rhesus D Hemolytic Disease of the Newborn or RhD HDN) is one of the causes of hemolytic disease of the newborn (HDN). The disease ranges from mild to severe, and typically occurs only in some second or subsequent pregnancies of Rh negative women where the fetus' father is Rh positive,leading to a Rh+ pregnancy. During birth, the mother may be exposed to the infant's blood, and this causes the development of antibodies, which may affect the health of subsequent Rh+ pregnancies. In mild cases, the fetus may have mild anaemia with reticulocytosis. In moderate or severe cases the fetus may have a more marked anaemia and erythroblastosis (erythroblastosis fetalis). When the disease is very severe it may cause HDN, hydrops fetalis, or stillbirth.
Rh disease is generally preventable by treating the mother during pregnancy or soon after delivery with an intramuscular injection of anti-RhD immunoglobulin (Rho(D) immune globulin).
With first pregnancies, Rh incompatibility usually does not pose a problem, but with subsequent pregnancies, the risks increase.
What makes Rh incompatibility so concerning is that if it is not detected, your baby can develop severe jaundice. Jaundice, if left untreated, can cause brain damage. And in turn, brain damage can cause cerebral palsy.
According to Randall Johnson at the Baylor College of Medicine in Houston, "Only 7% of the US population tests positive for the HLA-B27 gene; this gene, found only in persons with Rh-Negative blood, can trigger the immune system to operate overtime at WARP SPEED in times of medical emergency."
The HLA-B27 Genetic Marker is said to have protective properties that guard against the progression of HIV. It is said, that people with this gene do not have the right proteins for the HIV virus to bind with. The HLA - B27 Marker is most often found in people with O- Blood.
HLA-B27 is an inherited gene marker that is associated with a number of related rheumatic diseases. They share in common, certain features like spinal and peripheral arthritis, skin and GI disorders, anterior chamber eye disease, psoriasis like skin lesions, as well as inflammation and joint pain. This gene is found with highest prevalence in patients with ankylosing spondylosis, reactive arthritis, and patients with the combination of peripheral arthritis and either psoriasis or inflammatory bowel disease.
A major genetic link was discovered back in the 1960's between the gene HLA-B27 and the spondyloarthropathies, a group of diseases affecting the spine and other joints.
•90 percent of people with ankylosing spondylitis have the HLA-B27 gene.
•7 percent of the general population have the HLA-B27 gene.
Scientists are working hard to find the other genes involved in the spondyloarthropathies and other rheumatic diseases.
During the decade following the discovery of HLA-B27, scientists found an association between carriers of the HLA-DR genes and increased risk of rheumatoid arthritis. It is believed that HLA-DR contributes to autoimmune disease, conditions caused by the immune system fighting the body it is supposed to protect. Other genes also are suspected of being major factors in the evolution of rheumatoid arthritis.
Originally posted by letscit
anyone know what happened to the thread that was just up maybe 20 minutes ago about a virus found in antartica that is supposed to affect negative blood types? it was a great thread and was saying the virus was brought to earth by a comet some 11,000bce. did anyone see this or know why it was removed. the op said it was a thread being discussed and that there where threats made but the thread was pulled making it seem believable. they also said if their thread was pulled then that would be absolute proof they are trying to hide something. now this thread comes along and seems to be debunking what was in the thread that was pulled. does anyone have a clue what is going on? i guess if i get my reply pulled. well suppression looks like admittance to me.
Originally posted by LuFri
The most widely known autoimmune response involving RH- is RhD Hemolytic Disease where an RH- mother is carrying an RH+ child. If their blood mixes it triggers an autoimmune reaction in the mother to attack and reject the fetus. It rarely if ever happens in the first pregnacy but can happen on subsequent pregnacies. There is no similiar reaction if an RH+ mother carries an RH- child.
Originally posted by tom goose
Originally posted by AussieAmandaC
Thank You SOOOOOOOOOOO much.
we need more diligence.... these folks think we are stupid - They are probably right for the most part
Originally posted by letscit
reply to post by seeker11
go to it an read it. very interesting. was trying to discover the plausability of it when it was removed from ats. and really not sure why?
Madrid, 6 November 2009 A team led by researchers from the Scientific Research Council (CSIC) has described for the first time the complex genetic diversity of the community of viruses present in the lakes of Antarctica. The study describes close to 90,000 sequences of viruses from Lake Limnopolar, located on Byers Peninsula, Livingston Island. It is the largest number of viral families found to date in a ‘metagenome’ [full genetic information of a natural community of micro-organisms] in an aquatic environment, according to the study published in this week's issue of the journal Science.
The researchers hope to figure out whether any of the viruses are unique to Antarctica. If so, that would shed light on whether microbial life evolved independently in Antarctica, which has been isolated for millions of years, or they were introduced there more recently.
While scientists labor to find a cure for AIDS, the common cold, and other viruses, researchers in Antarctica have unearthed a life form capable of defeating our most infectious foes. And--surprise!--it's another virus.
...The virus, dubbed "Organic Lake Virophage" or OLV, was discovered in the Organic Lake, a 6,000-year-old body of saltwater in eastern Antarctica.
Read more: techland.time.com...
The first virophage, Sputnick, was only just discovered in 2008, and scientists have been looking for another large-scale discovery to confirm their findings. The hope is that these living organisms might hold the key to defeating the viruses that attack our own immune systems. Read more: techland.time.com...