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Keyword: immunesystem

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  • Test unravels history of infection

    06/04/2015 5:28:40 PM PDT · by 2ndDivisionVet · 3 replies
    The British Broadcasting Corporation ^ | June 4, 2015 | Jonathan Ball
    US researchers claim to have developed a single test that is able to identify past exposure to every known human virus infection, using a drop of blood.The technique decodes the infection history imprinted in our immune response. The scientists hope that the test will eventually provide important insight into how viruses contribute to development of a range of diseases. The work was published in the journal Science. During a virus infection, your immune system generates antibodies designed to fight the virus. Each antibody recognises a tiny fragment of the virus and their interaction is very specific - they fit like...
  • Ebola vaccine WORKS: Drug passes first-round of trials

    11/27/2014 3:13:49 AM PST · by CorporateStepsister · 9 replies
    Dailymail ^ | 26 November 2014 | Associated Press Reporter
    An experimental Ebola vaccine appears safe and triggered signs of immune protection in the first 20 volunteers to test it, U.S. researchers reported Wednesday. The vaccine is designed to spur the immune system's production of anti-Ebola antibodies, and people developed them within four weeks of getting the shots at the National Institutes of Health. Half of the test group received a higher-dose shot, and those people produced more antibodies, said the study published in the New England Journal of Medicine. Some people also developed a different set of virus-fighting immune cells, named T cells, the study found.
  • How some exposure to Ebola could lead to immunity

    10/27/2014 10:34:08 AM PDT · by SeekAndFind · 39 replies
    Fox News ^ | 10/27/2014 | By Tanya Lewis
    Epidemics like the current Ebola outbreak in West Africa often get started when people make contact with animals carrying infectious diseases, but, paradoxically, a certain amount of human exposure to a virus at its source can actually also prevent the extensive spread of a disease, new research suggests. Finding a "sweet spot" where there is enough human contact for some people to build immunity to a virus, but in a way that does not cause a disease to spread widely, could be a key to preventing deadly diseases from becoming epidemics, researchers say. "If we're really worried about emerging infectious...
  • US government, military research program helped identify experimental Ebola treatment

    08/05/2014 7:05:15 AM PDT · by SeekAndFind · 13 replies
    Fox News ^ | 08/05/2014
    The experimental drug used to treat two American aid workers who have been infected with the Ebola virus has never been tested on humans before and was only identified earlier this year as part of an ongoing research program backed by the U.S. government and military. Dr. Kent Brantly and Nancy Writebol have each received doses of the drug, known as ZMapp, aimed at boosting the immune system's efforts to fight off Ebola and is made from antibodies produced by lab animals exposed to parts of the virus. The Associated Press reported that Writebol, 59, had received two doses of...
  • Genetic mapping triggers new hope on schizophrenia

    07/22/2014 7:01:30 AM PDT · by Olog-hai · 9 replies
    Associated Press ^ | Jul. 22, 2014 2:09 AM EDT | Seth Borenstein
    Scientists have linked more than 100 spots in our DNA to the risk of developing schizophrenia, casting light on the mystery of what makes the disease tick. Such work could eventually point to new treatments, although they are many years away. Already, the new results provide the first hard genetic evidence to bolster a theory connecting the immune system to the disease. […] The study included the genetic codes of more than 150,000 people—nearly 37,000 of them diagnosed with the disease. Researchers found 108 genetic markers for risk of getting the disease, 83 of them not previously reported. And scientists...
  • Fasting for three days can regenerate entire immune system, study finds

    06/06/2014 4:04:55 AM PDT · by Olog-hai · 70 replies
    Daily Telegraph (UK) ^ | 7:51PM BST 05 Jun 2014 | Sarah Knapton
    Fasting for as little as three days can regenerate the entire immune system, even in the elderly, scientists have found in a breakthrough described as “remarkable”. Although fasting diets have been criticized by nutritionists for being unhealthy, new research suggests starving the body kick-starts stem cells into producing new white blood cells, which fight off infection. Scientists at the University of Southern California say the discovery could be particularly beneficial for people suffering from damaged immune systems, such as cancer patients on chemotherapy. […] Scientists found that prolonged fasting also reduced the enzyme PKA, which is linked to aging and...
  • Breast implant used by 99% of women in Britain is ‘triggering new cancer’, warn scientist

    05/04/2014 11:58:02 AM PDT · by Berlin_Freeper · 66 replies
    dailymail.co.uk ^ | 3 May 2014 | Barney Calman
    A new form of cancer could be triggered by a type of breast implant popular with British women, scientists are warning. At least 150 cases of the disease, called anaplastic large cell lymphoma (ALCL) of the breast, have been reported, including a handful in Britain. Nine in 10 cases of the disease – a cancer of the immune system – have been in women who have received breast implants with a textured outer shell, according to experts.
  • Researchers find source of new lineage of immune cells

    02/13/2014 8:39:38 AM PST · by neverdem · 6 replies
    Biology News Net ^ | February 12, 2014 | NA
    The elusive progenitor cells that give rise to innate lymphoid cells—a recently discovered group of infection-fighting white blood cells—have been identified in fetal liver and adult bone marrow of mice, researchers from the University of Chicago report early online in the journal Nature. Innate lymphoid cells (ILCs) are among the first components of the immune system to confront certain pathogens. They have a critical function at mucosal barriers—locations such as the bowel or the lung—where the body comes in direct contact with the environment. Yet they went undetected by researchers studying the immune system for a century. "Scientists tend to...
  • Skin drug shows 'promising' results on type 1 diabetes

    09/22/2013 5:14:00 PM PDT · by Innovative · 4 replies
    BBC ^ | Sept 22, 2013 | BBC
    A drug that was used to treat a skin disorder has shown signs of being able to treat aspects of type 1 diabetes. A small trial on US patients suggests that alefacept helps the body produce its own insulin, which is key for people with type 1 diabetes.
  • Researchers Identify New Source of Powerful Immunity Protein

    08/05/2013 6:11:33 PM PDT · by neverdem · 10 replies
    ScienceDaily ^ | July 10, 2013 | NA
    Researchers at UT Southwestern Medical Center report the identification of a new cellular source for an important disease-fighting protein used in the body's earliest response to infection. The protein interferon-gamma (IFN-γ) keeps viruses from replicating and stimulates the immune system to produce other disease-fighting agents. Neutrophils, the newly identified cellular source of the protein, are the major component of the pus that forms around injured tissue. The researchers also report that the neutrophils appear to produce IFN-γ through a new cellular pathway independent of Toll-like receptors (TLRs): the body's early warning system for invasion by pathogens. This finding indicates that...
  • New wonder drug matches and kills all kinds of cancer — human testing starts 2014

    07/11/2013 11:38:50 AM PDT · by GrandJediMasterYoda · 93 replies
    Ny Post ^ | 7/11/13 | By MICHAEL BLAUSTEIN
    New wonder drug matches and kills all kinds of cancer — human testing starts 2014 By MICHAEL BLAUSTEIN Last Updated: 2:03 PM, July 11, 2013 Posted: 12:55 PM, July 11, 2013 Stanford researchers are on track to begin human trials of a potentially potent new weapon against cancer, and would-be participants are flooding in following the Post’s initial report on the discovery. The progress comes just two months after the groundbreaking study by Dr Irv Weissman, who developed an antibody that breaks down a cancer's defense mechanisms in the body. A protein called CD47 tells the body not to "eat"...
  • New Type 1 diabetes vaccine shows promising results

    06/27/2013 3:53:11 PM PDT · by neverdem · 4 replies
    CBS News ^ | June 27, 2013 | MICHELLE CASTILLO
    A clinical trial for a Type 1 diabetes vaccine has resulted in promising findings, suggesting there may be a future where we can prevent people from getting the disease. Researchers completed a 12-week trial on a DNA-based vaccine on 80 subjects with Type 1 diabetes. The patients were able to maintain levels of a blood-borne intermediary that can stimulate insulin production, and some subjects were able to increase levels. That suggests the cellular changes that occur in patients with Type 1 diabetes may be shut down.  "We're very excited by these results, which suggest that the immunologist's dream of shutting...
  • Type 1 diabetes vaccine hailed as 'significant step'

    06/27/2013 3:28:10 PM PDT · by CutePuppy · 14 replies
    BBC ^ | June 26, 2013 | BBC
    It may be possible to reverse type 1 diabetes by training a patient's own immune system to stop attacking their body, an early trial suggests. Their immune system destroys the cells that make insulin, the hormone needed to control blood sugar levels. A study in 80 patients, published in the journal Science Translational Medicine, showed a vaccine could retrain their immune system. Experts described the results as a "significant step". Normally a vaccine teaches the immune system to attack bacteria or viruses that cause disease, such as the polio virus. Researchers at the Stanford University Medical Centre used a vaccine...
  • Protesters across globe rally against Monsanto - GMO

    05/26/2013 8:26:53 AM PDT · by opentalk · 144 replies
    Associates Press ^ | May 25, 2013
    LOS ANGELES (AP) — Protesters rallied in dozens of cities Saturday as part of a global protest against seed giant Monsanto and the genetically modified food it produces, organizers said. Organizers said "March Against Monsanto" protests were held in 52 countries and 436 cities, including Los Angeles where demonstrators waved signs that read "Real Food 4 Real People" and "Label GMOs, It's Our Right to Know."… The U.S. Senate this week overwhelmingly rejected a bill that would allow states to require labeling of genetically modified foods.
  • Missing parts? Salamander regeneration secret revealed

    05/20/2013 7:20:34 PM PDT · by Redcitizen · 53 replies
    Live science ^ | 5-20-2013 | Tanya Lewis
    Salamanders can regrow entire limbs and regenerate parts of major organs, an ability that relies on their immune systems, research now shows. A study of the axolotl, an aquatic salamander, reveals that immune cells called macrophages are critical in the early stages of regenerating lost limbs. Wiping out these cells permanently prevented regeneration and led to tissue scarring. The findings hint at possible strategies for tissue repair in humans.
  • Viruses With Immune System Found; Indicates They Are Living Creatures

    03/01/2013 8:51:09 PM PST · by Olog-hai · 39 replies
    Science World Report ^ | Feb 28, 2013 01:21 PM EST | Mark Hoffman
    Astonishingly, a virus that exclusively attacks the cholera bacteria was caught having stolen the functional immune system of bacteria—and is even using it against its bacterial host. A study published this week in the journal Nature provides the first evidence that this type of virus, a bacteriophage (“phage” for short), can acquire a wholly functional and adaptive immune system, something that was thought to be a too complex task for the very basic and “dumb” virus. The phage used the stolen immune system to disable—and thus defeat—the cholera bacteria’s defense system against phages. Therefore, the phage can kill the cholera...
  • Scientists Discover Children’s Cells Living in Mothers’ Brains

    12/07/2012 1:50:17 PM PST · by NYer · 67 replies
    Scientific American ^ | December 4, 2012 | Robert Martone
    The link between a mother and child is profound, and new research suggests a physical connection even deeper than anyone thought. The profound psychological and physical bonds shared by the mother and her child begin during gestation when the mother is everything for the developing fetus, supplying warmth and sustenance, while her heartbeat provides a soothing constant rhythm. The physical connection between mother and fetus is provided by the placenta, an organ, built of cells from both the mother and fetus, which serves as a conduit for the exchange of nutrients, gasses, and wastes. Cells may migrate through the placenta...
  • Breakthrough nanoparticle halts multiple sclerosis

    11/21/2012 11:41:34 PM PST · by LibWhacker · 21 replies
    EurekAlert! ^ | 11/18/12 | Marla Paul
    New nanotechnology can be used for Type 1 diabetes, food allergies and asthma New nanoparticle tricks and resets immune system in mice with MSFirst MS approach that doesn't suppress immune systemClinical trial for MS patients shows why nanoparticle is best optionNanoparticle now being tested in Type 1 diabetes and asthma CHICAGO --- In a breakthrough for nanotechnology and multiple sclerosis, a biodegradable nanoparticle turns out to be the perfect vehicle to stealthily deliver an antigen that tricks the immune system into stopping its attack on myelin and halt a model of relapsing remitting multiple sclerosis (MS) in mice, according...
  • Vitamin B3 May Help Kill Superbugs

    10/07/2012 11:17:41 AM PDT · by CutePuppy · 43 replies
    Medical News Today (MNT) ^ | August 25, 2012 | Catharine Paddock, PhD
    Nicotinamide, commonly known as vitamin B3, may help the innate immune system kill antibiotic-resistant staph bacteria, the so-called "superbugs". In lab work done with mice and human blood, researchers found high doses of the vitamin increased the ability of immune cells to kill the bacteria by 1,000 times.The discovery opens the door to a new arsenal of tools for dealing with antibiotic-resistant bacterial infections, such as those caused by methicillin-resistant S. aureus or MRSA, that have killed thousands of people around the world. They are increasing in hospitals and nursing homes, and also rising in prisons, among athletes, people in...
  • Bacteria-immune system 'fight' can lead to chronic diseases, study suggests

    08/04/2012 7:16:59 PM PDT · by neverdem · 31 replies
    Biology News Net ^ | August 2, 2012 | NA
    Results from a study conducted at Georgia State University suggest that a "fight" between bacteria normally living in the intestines and the immune system, kicked off by another type of bacteria, may be linked to two types of chronic disease. The study suggests that the "fight" continues after the instigator bacteria have been cleared by the body, according to Andrew Gewirtz, professor of biology at the GSU Center for Inflammation, Immunity and Infection. That fight can result in metabolic syndrome, an important factor in obesity, or inflammatory bowel disease (IBD). The results were published in the journal Cell Host &...