New HIV-vaccine tested on people

Scientists from the Antwerp Institute of Tropical Medicine, Antwerp University Hospital and Antwerp University have tested a new ‘therapeutic vaccine’ against HIV on volunteers. The participants were so to say vaccinated with their own cells. The researchers filtered certain white blood cells out of the volunteer’s blood, ‘loaded’ them outside the body and then gave them back. The immune system of the testees was better than before in attacking and suppressing the virus, the scientists reported in the top journal AIDS. But they still cannot cure the disease.

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Researchers identify key peptides that could lead to a universal vaccine for influenza

Researchers at the University of Southampton, University of Oxford and Retroscreeen Virology Ltd have discovered a series of peptides, found on the internal structures of influenza viruses that could lead to the development of a universal vaccine for influenza, one that gives people immunity against all strains of the disease, including seasonal, avian, and swine flu.

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4-week vaccination regimen knocks out early breast cancer tumors, Penn researchers report

Researchers at the Perelman School of Medicine at the University of Pennsylvania report that a short course of vaccination with an anti-HER2 dendritic cell vaccine made partly from the patient’s own cells triggers a complete tumor eradication in nearly 20 percent of women with ductal carcinoma in situ (DCIS), an early breast cancer. More than 85 percent of patients appear to have a sustained immune response after vaccination, which may reduce their risk of developing a more invasive cancer in the future. The results of the study were published online this month of Cancer and in the January issue of the Journal of Immunotherapy.

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Genetics study reveals how bacteria behind serious childhood disease evolve to evade vaccines

Genetics has provided surprising insights into why vaccines used in both the UK and US to combat serious childhood infections can eventually fail. The study, published today in Nature Genetics, which investigates how bacteria change their disguise to evade the vaccines, has implications for how future vaccines can be made more effective.

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Discovery of new vaccine approach for treatment of cancer

Scientists in Trinity College Dublin, Ireland, have developed a new vaccine to treat cancer at the pre-clinical level. The research team led by Professor Kingston Mills, Professor of Experimental Immunology at Trinity College Dublin discovered a new approach for treating the disease based on manipulating the immune response to malignant tumours. The discovery has been patented and there are plans to develop the vaccine for clinical use for cancer patients.

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Vaccines to boost immunity where it counts, not just near shot site

Researchers at Duke University Medical Center have created synthetic nanoparticles that target lymph nodes and greatly boost vaccine responses, said lead author Ashley St. John, Ph.D., a researcher at Duke-NUS Graduate Medical School.

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Research shows progress toward a genital herpes vaccine

An investigational vaccine protected some women against infection from one of the two types of herpes simplex viruses that cause genital herpes, according to findings in the New England Journal of Medicine.

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Scientists develop vaccine that successfully attacks breast cancer in mice

Researchers at Mayo Clinic in Arizona (http://www.mayoclinic.org/arizona/) and the University of Georgia (UGA) have developed a vaccine that dramatically reduces tumors in a mouse model that mimics 90 percent of human breast and pancreatic cancer cases — including those that are resistant to common treatments.

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Promising results in mice on needle-free candidate universal vaccine against various flu viruses

Scientists from the International Vaccine Institute (IVI) have discovered that an antigen common to most influenza viruses, and commonly referred to as matrix protein 2 (M2), when administered under the tongue could protect mice against experimental infection caused by various influenza viruses, including the highly pathogenic avian H5 virus and the pandemic H1 (”swine flu”) virus.

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Study finds shifting disease burden following universal Hib vaccination

Vaccination against Haemophilus influenzae type b, or Hib, once the most common cause of bacterial meningitis in children, has dramatically reduced the incidence of Hib disease in young children over the past 20 years, according to a study published in Clinical Infectious Diseases and available online (http://www.oxfordjournals.com/our_journals/cid/prpaper1.pdf). However, other strains of the bacteria continue to cause substantial disease among the nation’s youngest and oldest age groups.

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