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Keyword: immune

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  • Cancer 'vaccine' eliminates tumors in mice, researchers find

    01/31/2018 2:05:50 PM PST · by Red Badger · 32 replies ^ | 01/31/2018 | Stanford University Medical Center
    Scientists devised a pinpointed immunotherapy regimen that eradicated tumors throughout the body in mice. Credit: Sagiv-Barfi et al., Science Translational Medicine (2018) __________________________________________________________________________________________________________________________________________________
  • How our immune systems could stop humans reaching Mars

    09/02/2017 10:24:47 AM PDT · by LibWhacker · 48 replies
    The Telegraph ^ | 9/2/17 | Sarah Knapton
    The human immune system is so weakened by space travel that even a simple virus could prove deadly [...snip...] Yet although we now have the technological ability to leave Earth, scientists have found another stumbling block to colonising new worlds - our own immune system. Although it is said we are all made of ‘star stuff’ when it comes to travelling away from our home planet humans are far more vulnerable to the rigours of space than our interstellar origins might suggest. Billions of years of evolution has effectively backed mankind into a corner of the Solar System that it...
  • Super-vaccine to guard against all strains of pneumococcal disease (90 strains)

    08/18/2016 12:39:32 PM PDT · by Tilted Irish Kilt · 8 replies
    medicalxpress ^ | August 17, 2016 | Robyn Mills
    Lead researcher James Paton said G-PN would help to increase immune responses to pneumococcus because it kept the antigenic structure of protein surfaces on the bacterium. "Pneumococcus is a big deal in terms of disease and it is the biggest bacterial killer on the planet," he said. "There are currently similar wholesale vaccines being developed, which have used chemical killing but that is nowhere near as good. The fact that gamma radiation is being used to inactivate it makes it a better vaccine.
  • White House defies House Oversight Committee subpoena - advisers are 'absolutely immune'

    07/16/2014 4:43:25 PM PDT · by Libloather · 16 replies
    Daily Mail ^ | 7/16/14 | Francesca Chambers
    House Oversight and Government Reform Committee Chairman Darrell Issa subpenaed the president's official political adviser, David Simas Issa is concerned that Simas may be violating a federal law that bans most employees of the executive branch from engaging in political activity White House Counsel sent Issa a letter last night claiming the president's 'immediate advisers are absolutely immune' from such demands Issa held a hearing today anyway, claiming that his committee has a 'legal obligation' to make sure taxpayer funds are being used properly
  • 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...
  • Scavenger cells help limbs to regrow

    05/21/2013 11:35:15 AM PDT · by LibWhacker · 7 replies ^ | 5/21/13 | Clare Pain
    A scavenging immune system cell that helps limbs regrow in salamanders brings hope that humans will one day be able to mimic the animal's amazing regenerative powers, say Australian researchers. The findings by Dr James Godwin, of the Australian Regenerative Medicine Institute at Monash University, and colleagues, are published in today's issue of the Proceedings of the National Academy of Sciences.Salamanders (axolotls) are unique amongst vertebrates in being able to repair their hearts, tails, spinal cord and brain, and even regrow whole limbs during adult life, says Godwin. He sees their "perfect regeneration" as a holy grail. "We're trying to...
  • Early Cities Spurred Evolution of Immune System? [ "Amazing" DNA results show benefits ]

    11/12/2010 9:03:42 PM PST · by SunkenCiv · 47 replies · 1+ views
    National Geographic News ^ | November 8, 2010 | Matt Kaplan
    As in cities today, the earliest towns helped expose their inhabitants to inordinate opportunities for infection -- and today their descendants are stronger for it, a new study says. "If cities increase the amount of disease people are exposed to, shouldn't they also, over time, make them natural places for disease resistance to evolve?" asked study co-author Mark Thomas, a biologist at University College London... study co-author Ian Barnes, a molecular paleobiologist at University College London, screened DNA samples from 17 groups long associated with particular regions of Europe, Asia, and Africa -- for example Anatolian Turks and the southern...
  • Immune system of healthy adults may be better prepared than expected to fight 2009 H1N1 influenza

    11/16/2009 12:23:01 PM PST · by decimon · 9 replies · 560+ views
    WHAT: A new study shows that molecular similarities exist between the 2009 H1N1 influenza virus and other strains of seasonal H1N1 virus that have been circulating in the population since 1988. These results suggest that healthy adults may have a level of protective immune memory that can blunt the severity of infection caused by the 2009 H1N1 influenza virus. The study team was led by Bjoern Peters, Ph.D., and Alessandro Sette, Ph.D., of La Jolla Institute for Allergy and Immunology, Calif., grantees of the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health. The...
  • Computer Simulation Sheds Light on Body's Immune Response to Flu

    05/22/2009 2:22:36 AM PDT · by grey_whiskers · 1 replies · 288+ views
    OBBEC ^ | 05-19-2009 | Dr Hulin Wu
    Rochester, NY (OBBeC) - Researchers have reported new revelations on how the body responds to flu. According to the report, scientists at the University of Rochester Medical Center have for the first time -- with the use of a computer simulation -- successfully tested a major portion of the body's immune reaction to influenza type A, with implications for treatment design and preparation ahead of future pandemics. The work has been accepted for publication, and posted online, by the Journal of Virology. The new "global" flu model is built out of preexisting, smaller-scale models that capture in mathematical equations millions...
  • Broccoli May Help Boost Aging Immune System

    03/10/2008 11:03:55 AM PDT · by blam · 43 replies · 844+ views
    Science Daily ^ | 3-10-2008 | University of California - Los Angeles.
    Broccoli May Help Boost Aging Immune SystemBroccoli. (Credit: Image courtesy of University of California - Los Angeles)ScienceDaily (Mar. 10, 2008) — Eat your broccoli! That's the advice from UCLA researchers who have found that a chemical in broccoli and other cruciferous vegetables may hold a key to restoring the body's immunity, which declines as we age. Published in the online edition of the Journal of Allergy and Clinical Immunology, the study findings show that sulforaphane, a chemical in broccoli, switches on a set of antioxidant genes and enzymes in specific immune cells, which then combat the injurious effects of molecules...
  • Strange Creature Immune to Pain (Naked mole rats)

    01/29/2008 9:49:18 AM PST · by NormsRevenge · 33 replies · 1,320+ views on Yahoo ^ | 1/29/08 | Charles Q. Choi
    As vulnerable as naked mole rats seem, researchers now find the hairless, bucktoothed rodents are invulnerable to the pain of acid and the sting of chili peppers. A better understanding of pain resistance in these sausage-like creatures could lead to new drugs for people with chronic pain, scientists added. Naked mole rats live in cramped, oxygen-starved burrows some six feet underground in central East Africa. Unusually, they are cold-blooded — which, as far as anyone knows, is unique among mammals. "They're the nicest, sweetest animals I've ever worked with — they look frightening, but they're very gentle," said neurobiologist Thomas...
  • Potato Salad May Help the Immune System

    06/25/2007 3:22:59 PM PDT · by blam · 147 replies · 2,975+ views
    Science Daily ^ | 6-25-2007 | Society Of Chemical Industry
    Source: Society of Chemical Industry Date: June 25, 2007 Potato Salad May Help the Immune System Science Daily — It has long been known that eating potatoes is good for bowel health, but new research suggests that they may also have a beneficial effect on the whole immune system. Especially if eaten cold or in a potato salad, Anne Pichon reports in Chemistry & Industry. Spanish researchers found that growing pigs fed large quantities of raw potato starch (RPS) had a healthier bowel. Not a surprise, but they also found that RPS pigs had decreased levels of white blood cells,...
  • Create A Back-Up Copy Of Your Immune System

    06/22/2007 5:37:05 PM PDT · by blam · 5 replies · 534+ views
    New Scientist ^ | 6-22-2007 | Andy Coghlan
    Create a back-up copy of your immune system 22 June 2007 news service Andy Coghlan Imagine having a spare copy of your immune system on ice, ready to replace your existing one should you fall victim to AIDS, an autoimmune disease, or have to undergo extensive chemotherapy for cancer. An Anglo-American company called Lifeforce has received permission from the US Food and Drug Administration to do just that. The firm collects 480-millilitre samples of blood from healthy individuals, extracts the white blood cells and stores them as an insurance policy against future disease. The service comes at a price,...
  • 'Rebuilt' immune system shakes off diabetes

    04/11/2007 8:54:44 AM PDT · by LibWhacker · 34 replies · 1,158+ views
    New Scientist ^ | 4/10/07 | Roxanne Khamsi
    Diabetics appear to have been cured with a one-off treatment that rebuilds their immune system, according to a new study. The technique, which uses patients' own bone marrow cells, has freed 14 of 15 patients with type 1 diabetes from their dependence on insulin medication. So far, participants in the trial have gone 18 months without insulin therapy following the procedure, on average. One patient has lasted three years without needing such injections. In patients with type 1 diabetes, which typically strikes in early childhood or adolescence, the immune system appears to erroneously attack cells in the pancreas that produce...
  • Are Some People Immune To Avian Flu?

    02/28/2007 10:55:06 AM PST · by blam · 13 replies · 440+ views
    Science Daily ^ | 2028-2007 | Richard Webby
    Source: Public Library of Science Date: February 28, 2007 Are Some People Immune To Avian Flu? Science Daily — New results from Richard Webby at St. Jude Children's Research Hospital and colleagues published in the international open-access medical journal PLoS Medicine suggest that the answer might be yes. Neuraminidase ribbon diagram. (Image courtesy of PLoS Medicine)The H5N1 avian flu virus is quite different from the seasonal H1N1 and H3N2 flu viruses most humans have been exposed to, which is why many scientists believe that H5N1 could start a new pandemic. (The H and N refer to two virus components, the...
  • The Antibiotic Vitamin

    11/10/2006 4:08:52 PM PST · by blam · 149 replies · 3,251+ views
    Science News ^ | 11-10-2006 | Janet Raloff
    The Antibiotic VitaminDeficiency in vitamin D may predispose people to infection Janet Raloff In April 2005, a virulent strain of influenza hit a maximum-security forensic psychiatric hospital for men that's midway between San Francisco and Los Angeles. John J. Cannell, a psychiatrist there, observed with increasing curiosity as one infected ward after another was quarantined to limit the outbreak. Although 10 percent of the facility's 1,200 patients ultimately developed the flu's fever and debilitating muscle aches, none did in the ward that he supervised. WINTER WOES. Cold-weather wear and the sun's angle in the winter sky limit how much ultraviolet...
  • Past may hold clue to future flu fight Secrets may be in blood of 1918 survivors

    10/05/2006 6:52:51 PM PDT · by Coleus · 38 replies · 847+ views
    Star Ledger ^ | 09.29.06 | CAROL ANN CAMPBELL
    People who lived during the 1918 influenza epidemic may hold secrets in their blood that could help fight a future pandemic, but finding them now is a race against time. People who were toddlers at the end of World War I -- when the epidemic swept the globe and killed 50 million -- are in their 90s now. Nearly a lifetime after the notorious outbreak, researchers are hoping those who lived through it will come forward and donate a vial of blood, which then will be analyzed for antibodies to the virus. In particular, a New Jersey researcher is seeking...
  • Immune System Cells May Be Cause of Asthma

    03/17/2006 7:14:02 AM PST · by SheLion · 37 replies · 702+ views
    WEDNESDAY, March 15 (HealthDay News) -- As medical technologies improve, researchers are rooting out more information about possible causes of common diseases, such as asthma.One new finding, reported in the March 16 issue of the New England Journal of Medicine, is that immune system cells long thought to cause asthma may not be the primary culprit behind the disease."We found that asthma is caused not by T-helper 2 cells as has been previously thought, but by a novel class of cells called natural killer T cells," said one of the study's authors, Dr. Dale Umetsu, a professor of pediatrics at...
  • Protecting People From A Terrifying Toxin: Vaccine Stimulates Immune Response Against Ricin

    02/08/2006 4:57:39 PM PST · by blam · 2 replies · 534+ views
    Science News Online ^ | 2-8-2006 | Ben Harder
    Protecting People from a Terrifying Toxin: Vaccine stimulates immune response against ricin Ben Harder In its first test in people, a vaccine against the toxin ricin appears safe and generates antibodies that are expected to be protective against the potential bioterrorism agent. Ricin comes from castor seeds and can cause lethal damage to the gut if swallowed or to the lungs if inhaled. Murderers and assassins have used it for centuries. The vaccine might be used to protect soldiers and first responders in advance of possible ricin exposure, says immunologist and study leader Ellen S. Vitetta of the University of...
  • Bird Flu May Over-Stimulate Immune System

    11/11/2005 4:29:40 PM PST · by blam · 149 replies · 4,018+ views
    Science Daily ^ | 11-11-2005
    Bird flu may over-stimulate immune system HONG KONG, Nov. 11 (UPI) -- Researchers in Hong Kong say the H5N1 bird flu virus may provoke an excessive immune reaction, explaining why it is deadly even to the young and healthy. Laboratory tests on human cells showed that the virus caused the immune system to send proteins called cytokines to infected lung cells, a reaction that would end up damaging or destroying the tissues the immune system is meant to defend. The tests were carried out by scientists at the University of Hong Kong, working with samples from patients who died in...