Immunotherapy Weekly back issues from April 2001:
Treatment With Killed Mycobacterium vaccae Improves Atopic Dermatitis.
Apr 04, 2001; ... 2001 APR 4 - (NewsRx.com & NewsRx.net) -- by N.R. Saltmarsh, staff medical writer - Children with atopic dermatitis experienced significant improvement in symptoms after treatment with killed Mycobacterium vaccae. Because rates of atopic disease have doubled in the ...
Transplants Of Siblings' Cells Show Promise For Immune Disorder.(chronic granulomatous disease )
Apr 04, 2001 ... 2001 APR 4 - (NewsRx.com & NewsRx.net) -- U.S. National Institutes of Health (NIH) researchers in Bethesda, Maryland, have used a novel bone marrow transplantation procedure to successfully transfer stem cells from immunologically matched siblings into a small group of people ...
Venom Immunotherapy Improves Quality Of Life.
Apr 04, 2001 ... 2001 APR 4 - (NewsRx.com & NewsRx.net) -- Venom immunotherapy results in an improvement in the health-related quality of life in individuals allergic to insect stings, researchers from The Netherlands and Canada said at the American Academy of Allergy, Asthma and Immunology ...
Institutions Seek Eligible Participants For Research Study On Peanut Allergy.
Apr 04, 2001 ... 2001 APR 4 - (NewsRx.com & NewsRx.net) -- Seven U.S. medical research centers have come together to form the Centers for Peanut Allergy Awareness with the purpose of helping to increase knowledge of peanut allergy and how to handle its effects. The medical research ...
Leukemia Inhibitory Factor Can Prevent Vertical Transmission.(of HIV)
Apr 04, 2001; ... 2001 APR 4 - (NewsRx.com & NewsRx.net) -- by Michael Greer, staff medical writer - Researchers in Illinois have shown that leukemia inhibitory factor (LIF), produced by the placenta, is a powerful inhibitor of HIV replication and may play a major role in preventing mother-child ...
Interleukin-2 Can Hasten Immune Recovery In Patients Responding Slowly To ART.(antiretroviral therapy)
Apr 04, 2001; ... 2001 APR 4 - (NewsRx.com & NewsRx.net) -- by Michael Greer, staff medical writer - The cytokine interleukin-2 can help prevent infectious morbidity in HIV patients who do not respond quickly to antiretroviral therapy, researchers in France report. "Combined ...
Benadryl Shown More Efficacious Than Claritin For Relief Of Nasal Symptoms.
Apr 04, 2001 ... 2001 APR 4 - (NewsRx.com & NewsRx.net) -- A leading over-the-counter (OTC) antihistamine, Benadryl (diphenhydramine), showed significant superior efficacy over the leading prescription medication loratadine (marketed as Claritin) in relief of total nasal symptoms. In ...
Vaccine Against Seasonal Rhinitis Is Safe.
Apr 04, 2001 ... 2001 APR 4 - (NewsRx.com & NewsRx.net) -- Dynavax Technologies Corporation announced preliminary results March 20, 2001, at the 57th annual meeting of the American Academy of Allergy, Asthma, and Immunology from a Phase II clinical trial that demonstrated the safety and ...
Anti-CD23 Monoclonal Antibody Demonstrates Safety, Efficacy.(asthma)
Apr 04, 2001 ... 2001 APR 4 - (NewsRx.com & NewsRx.net) -- IDEC Pharmaceuticals Corp. reports results from a single-dose, placebo-controlled, dose-escalating Phase I trial of its investigational agent IDEC-152, a primatized, anti-CD23 monoclonal antibody in patients with allergic asthma. ...
Influenza Vaccine Protects Children From Respiratory Exacerbations.(asthma)
Apr 04, 2001; ... 2001 APR 4 - (NewsRx.com & NewsRx.net) -- by N.R. Saltmarsh, staff medical writer - Influenza vaccine can prevent worsening symptoms in young children with asthma, according to a large population-based study from the U.S. Centers for Disease Control and Prevention. ...
Low-Dose Fluticasone Propionate Aerosol More Effective Than Montelukast.(asthma )
Apr 04, 2001 ... 2001 APR 4 - (NewsRx.com & NewsRx.net) -- A study published in the March 2001 issue of the Journal of Allergy and Clinical Immunology showed that Flovent (fluticasone propionate) inhalation aerosol (44 mcg, two puffs twice daily) was significantly more effective than Singulair ...
Many Elderly Patients Not Receiving Proven-Effective Drug Treatments.(asthma )
Apr 04, 2001 ... 2001 APR 4 - (NewsRx.com & NewsRx.net) -- Many elderly asthma patients are not receiving medications that have been proven to decrease the rate of hospitalizations and asthma-related deaths, according to a new Canadian study. Don D. Sin, MD, of the University of ...
Study Demonstrates Trastuzumab With Chemotherapy Increases Survival.
Apr 04, 2001 ... 2001 APR 4 - (NewsRx.com & NewsRx.net) -- Genentech, Inc., announced March 14, 2001, that women with one of the most aggressive forms of metastatic breast cancer experienced a significant survival benefit when treated initially with Herceptin (Trastuzumab) and chemotherapy, ...
Naked DNA Vaccines Offer Better Anti-Tumor Potency Than Vaccinia Vaccines.
Apr 04, 2001; ... 2001 APR 4 - (NewsRx.com & NewsRx.net) -- by N.R. Saltmarsh, staff medical writer - Two different vaccine vehicles carrying the same anti-tumor gene show significant differences in potency, according to a report published in Gene Therapy. "We hypothesized that ...
New Study To Investigate Chemokine Inhibitor's Role In Increasing White Blood Cells.
Apr 04, 2001 ... 2001 APR 4 - (NewsRx.com & NewsRx.net) -- AnorMED announced March 19, 2001, that it has initiated a new Phase I clinical trial in healthy volunteers to study the white blood cell count increasing effects of AMD-3100, an inhibitor of the CXCR4 chemokine receptor. ...
Leukemia Survivors At Risk For Life-Threatening Infections.
Apr 04, 2001 ... 2001 APR 4 - (NewsRx.com & NewsRx.net) -- Clinicians who care for long-term survivors of acute lymphoblastic leukemia (ALL) should test their humoral immune function to identify those at risk for severe or life threatening infections, according to a new study. ...
Monoclonal Antibody Attacks Condition On A Molecular Level.(Psoriasis )
Apr 04, 2001 ... 2001 APR 4 - (NewsRx.com & NewsRx.net) -- Psoriasis symptoms can be alleviated with Xanelim (efalizumab), one of a new class of targeted monoclonal antibody drugs, researchers said at the American Academy of Allergy, Asthma and Immunology (AAAAI) Annual Meeting, March 18-23, ...
New Treatment Appears To Demonstrate Lasting Benefit.(psoriasis )
Apr 04, 2001 ... 2001 APR 4 - (NewsRx.com & NewsRx.net) -- Researchers at the University of Utah School of Medicine's Department of Dermatology have announced the results of a clinical trial in which alefacept (human LFA-3 IgG1 fusion protein, Amevive(TM)) was given to patients with psoriasis ...
Gene Therapy Restored Thymic Function In Child With SCID.(severe combined immunodeficiency )
Apr 04, 2001 ... 2001 APR 4 - (NewsRx.com & NewsRx.net) -- Researchers discussed at the American Academy of Allergy, Asthma and Immunology (AAAAI) Annual Meeting, March 18-23, 2001, the details of a patient in whom evidence of normal thymic function and development followed gene therapy. ...
Fluorescent Visualization Can Determine Cytomegalovirus Susceptibility.
Apr 04, 2001; ... 2001 APR 4 - (NewsRx.com & NewsRx.net) -- by Michael Greer, staff medical writer - Fluorescent visualization techniques can be used after stem cell transplantation to quantify T-cell defenses against cytomegalovirus (CMV) infection, oncologists report. ...
Interferon Treatments Generate Autoantibodies In Adrenal Cortex.
Apr 04, 2001; ... 2001 APR 4 - (NewsRx.com & NewsRx.net) -- by Sonia Nichols, staff medical writer - New research performed in Germany indicates interferon-alpha therapy for hepatitis C virus (HCV) generates a low level of adrenal autoantibodies in some patients. Previous studies have ...
Antibody 17b May Hold Key To Blocking Viral Entry.(HIV )
Apr 11, 2001; ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- by Michael Greer, staff medical writer - The mechanisms by which the HIV antibody 17b interferes with viral cell entry may aid in the creation of new HIV inhibitors, say researchers in Pennsylvania. "HIV 1 utilizes CD4 and ...
Human Trials Of New Vaccine Technique Prove Promising For Allergy Sufferers.
Apr 11, 2001 ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- For years, efforts to develop improved vaccines for asthma and allergies have been thwarted because the vaccines themselves often cause the very symptoms a person is trying to avoid. At the 57th Annual American Academy of ...
Prophylactic Use Of Antihistamines Relieves Skin Reactions From Mosquito Bites.
Apr 11, 2001 ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- Individuals sensitive to mosquitoes may find relief from skin reactions by taking antihistamines as a preventive measure, according to a study by researchers in Finland. Researchers from the University Hospital of Tampere and ...
Histamine Dihydrochloride Increases Immune Response.
Apr 11, 2001 ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- Maxim Pharmaceuticals (MAXM) announced March 26, 2001, that its lead drug candidate Ceplene(TM) (histamine dihydrochloride)was shown in a preclinical study to significantly increase the expression of the immunoactivating molecule CD86 ...
Three Children Apparently Cured Through Unrelated Umbilical-Cord Blood Transplants.
Apr 11, 2001 ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- Physicians at the University of California, Los Angeles, announced on April 6, 2001, that three young boys - each born with a defective immune system like the "boy in the bubble" - underwent umbilical-cord blood transplants from ...
Mild and Chronic Hepatitis Patients Respond Alike To Interferon.
Apr 11, 2001; ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- by Sonia Nichols, staff medical writer - Patients with mild chronic hepatitis C respond at the same rates to interferon therapy as patients with more active chronic disease, researchers suggest. According to a report in the ...
Transmucosal Drug To Begin Trials In South Africa.(HIV infection)
Apr 11, 2001 ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- Hollis-Eden Pharmaceuticals, Inc. (HEPH) March 21, 2001, announced it has received clearance from the South African Medicines Control Council (MCC) to initiate testing of a new transmucosal (buccal) formulation of the company's lead ...
Exposure To Household Pets Does Not Increase Sensitization.
Apr 11, 2001; ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- by N.R. Saltmarsh, staff medical writer - People with allergic rhinitis who are sensitive to pet allergens suffer airway hyperresponsiveness (AHR), but previous pet ownership does not worsen their symptoms. A.H. Henriksen ...
Immunoglobulin E Test Improves Allergen Screening's Accuracy.
Apr 11, 2001 ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- Pharmacia Diagnostics announced on March 26, 2001, that the ImmunoCAP(TM) allergy blood test has been accepted as a quantitative test by the U.S. Food and Drug Administration (FDA). The test makes it possible to measure with ...
Mouse Allergen in Low-Income New York City Apartments Increases Risk.
Apr 11, 2001 ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- Mouse allergen is prevalent in inner-city apartments. Children living in these homes are exposed to mouse allergens from infancy, thus increasing their risk for developing allergic sensitivity to mice, according to researchers reporting ...
Antibodies Invoke Cell-Mediated Tumor Killing In Vitro.
Apr 11, 2001 ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- AltaRex Corp. (AXO, ALXFF) of Waltham, Massachusetts, additional data further explaining its clinical demonstration of effective T-cell activation induced by its OvaRex(R) antibody. The in vitro data give new insight into the ...
Synthetic Enzyme Improves Efficacy Of Interleukin-2 Therapy.
Apr 11, 2001 ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- Advanced skin and end-stage kidney cancer patients may have a better chance of survival with drugs developed from a new synthetic enzyme that significantly improves the effectiveness of existing interleukin-2 (IL-2) cancer therapy, ...
Rice Bran Extract Arrests Breast Cancer Tumor Cell Growth In Vitro.
Apr 11, 2001 ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- A natural supplement used by thousands to stimulate the immune system can arrest tumor cell growth as well, according to a study reported March 25, 2001, at the 92nd Annual American Academy of Cancer Research (AACR) meeting in New ...
Study: Emergency Department Response Needs Improvement.
Apr 11, 2001 ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- The findings of a chart review performed to evaluate the management of food allergy in several emergency departments were presented at the American Academy of Allergy, Asthma and Immunology annual meeting, held March 18-23, 2001. ...
Antibody Response Depends On Dose Of Inactivated Enterotoxigenic E. coli.
Apr 11, 2001; ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- by N.R. Saltmarsh, staff medical writer - Researchers working in Sweden have developed an oral inactivated Escherichia coli vaccine that boosts circulating antibodies in a dose-dependent manner. Marianne Jertborn and ...
New Egg-Free Flu Vaccine Promising For Those With Egg Allergy.
Apr 11, 2001 ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- Researchers in Austria have developed a unique flu vaccine that is made without egg proteins, which can trigger rare, but potentially fatal, allergic reactions in some people. "The development represents the newest and most ...
Peptide-Based Linking Improves Retention Of Radioisotope In Tumors.
Apr 11, 2001 ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- Immunomedics, Inc. (IMMU) announced an advance made by the company's scientists in the attachment of iodine-131 (I-131), a potent therapeutic isotope, to antibodies. The improved technique was described during a scientific ...
Immunotherapeutic Antisense Agent Extends Survival.(Genasense)
Apr 11, 2001 ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- Genta, Inc. (GNTA) reported on March 26, 2001, updated results of clinical trials for its immunotherapy drug Genasense(TM) at the annual meeting of the American Association for Cancer Research (AACR) in New Orleans, Louisiana. ...
Vaccine Research Results Show Hope For Use Of Dendritic Cells.
Apr 11, 2001 ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- Results from the first-ever study testing the use of dendritic cells in children may offer new hope for a cancer vaccine. The Phase I study results from research at the University of Michigan Health System were presented ...
Recombinant Interleukin-11 Not Effective For Refractory Patients.(immune thrombocytopenic purpura)
Apr 11, 2001; ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- by Michael Greer, staff medical writer - Despite its platelet-stimulating effects, recombinant human interleukin-11 (rhIL-11) does not show promising results for the treatment of refractory immune thrombocytopenia purpura (ITP) ...
CD40-Stimulated Dendritic Cells Boost Immunity, But Not Disease Resistance.(tuberculosis )
Apr 11, 2001; ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- by N.R. Saltmarsh, staff medical writer - Using dendritic cells stimulated with the cytokine CD40 to vaccinate against tuberculosis enhances immune response to the disease, but does not prevent lung infection, researchers have found. ...
Intestinal Worms May Lower Efficacy Of BCG Vaccine.
Apr 11, 2001; ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- by N.R. Saltmarsh, staff medical writer - Parasites endemic in some parts of the world may have a detrimental effect on tuberculosis immunity, according to a new report in Clinical and Experimental Immunology. Infestation ...
Unforeseen Role Of Immune Response In Neurological Repair Could Lead To Vaccine.
Apr 11, 2001; ... 2001 APR 11 - (NewsRx.com & NewsRx.net) -- by N.R. Saltmarsh, staff medical writer - Macrophages and T cells can stop the spread of damage after central nervous system injury, report Weizmann Institute of Science researchers. Immune activity was heretofore considered ...
Monoclonal Antibody Shows Anti-Angiogenic Activity.(ABX-IL8)
Apr 18, 2001 ... 2001 APR 18 - (NewsRx.com & NewsRx.net) -- Abgenix, Inc. (ABGX) announced preclinical study results showing that its investigational human monoclonal antibody, ABX-IL8, blocks angiogenesis and inhibits the growth of human melanoma tumors implanted into mice. This ...
Mechanism For Generating Autoimmunity-Suppressing Cells Identified.
Apr 18, 2001 ... 2001 APR 18 - (NewsRx.com & NewsRx.net) -- Autoimmune disorders, such as lupus, arthritis, and diabetes, are understood to result from immune cells attacking the body's own cells instead of infectious agents such as viruses and bacteria. In a new study, scientists at The Wistar ...
Animal Farmers Seem To Be Protected Against Asthma And Nasal Allergies.
Apr 18, 2001 ... 2001 APR 18 - (NewsRx.com & NewsRx.net) -- Animal farmers seem to be protected against asthma and nasal allergies as compared to the general population. However, farming is associated with an increase in chronic phlegm. So concludes a study covering over 6,000 farmers ...
Low-Dose Thalidomide Effective As Salvage Therapy.(for advanced multiple myeloma)
Apr 18, 2001 ... 2001 APR 18 - (NewsRx.com & NewsRx.net) -- by Michael Greer, staff medical writer - Low doses of thalidomide can preserve its therapeutic effects for advanced multiple myeloma patients while reducing its toxicity, according to researchers in Italy. "The ...
Adenoviral Gene Transfer Evokes An Immune Response In The Retina.
Apr 18, 2001 ... 2001 APR 18 - (NewsRx.com & NewsRx.net) -- by Deborah W. Heinrich, staff medical writer - Researchers at the University of Tubingen in Germany found that intravitreal adenoviral gene transfer evoked an immune response in the retina that was mounted against LacZ. ...
Most People With Allergy-Like Symptoms Don't Have Allergies, Study Says.
Apr 18, 2001 ... 2001 APR 18 - (NewsRx.com & NewsRx.net) -- A heads-up to people who suffer from allergy-like symptoms: your sniffles and sneezes may not be due to allergies after all. In a recent study of 246 patients, researchers found that nearly two out of three patients treated ...
Canarypox Virus Vector For IV p53 Vaccine Delivery Safe In Rhesus Macaques.
Apr 18, 2001 ... 2001 APR 18 - (NewsRx.com & NewsRx.net) -- by N.R. Saltmarsh, staff medical writer - A potential anti-cancer vaccine has been shown safe at up to 10 times the required dose in rhesus macaques when administered intravenously, and further trials in humans may be warranted, say ...
Alemtuzumab Monoclonal Antibody Is Recommended For EU Approval.(for treatment of chronic lymphocytic leukemia)
Apr 18, 2001 ... 2001 APR 18 - (NewsRx.com & NewsRx.net) -- Millennium & Ilex Partners, LP, announced on March 30, 2001, that the European Medicines Evaluation Agency's (EMEA) Committee on Proprietary Medicinal Products (CPMP) issued a positive opinion to recommend approval under exceptional ...
Controlling Inflammation May Yield Better Outcomes.(in congestive heart failure treatment)
Apr 18, 2001 ... 2001 APR 18 - (NewsRx.com & NewsRx.net) -- Controlling chronic inflammation in congestive heart failure patients may improve outcomes and survival, according to a study published in the April 2001 issue of the American Heart Journal. Alexion Pharmaceuticals, Inc ....
Anti-Cancer Metastasis Compound Headed Into Five Clinical Trials.(GDOO39)
Apr 18, 2001 ... 2001 APR 18 - (NewsRx.com & NewsRx.net) -- GLYCODesign, Inc. (GD) is expanding its clinical program to validate the effectiveness of GD0039, its anti-cancer compound. The expansion includes five Phase II clinical trials for multiple cancer indications in the United States and ...
Methinone Enkephalin Increases Immune Cell Count.(in HIV patients)
Apr 18, 2001 ... 2001 APR 18 - (NewsRx.com & NewsRx.net) -- Researchers with Vector Medical Technologies, Inc., reported study results demonstrating the company's Methinone enkephalin vaccine increases numbers of T cells and natural killer cells in HIV patients. Nicholas P ....
Imiquimod Plus HSV Vaccine Cuts Recurrence Rate 80%.(herpes simplex virus)
Apr 18, 2001 ... 2001 APR 18 - (NewsRx.com & NewsRx.net) -- by N.R. Saltmarsh, staff medical writer - The immune modulator imiquimod can dramatically decrease genital outbreaks of herpes simplex virus (HSV), especially when used with HSV vaccine. C.J. Harrison and colleagues at ...
TNF-(alpha) Converting Enzyme Inhibitor To Enter Phase II Clinical Trials.(tumor necrosis alpha as a possible therapy for rheumatoid arthritis, psoriasis, and Crohn's disease)
Apr 18, 2001 ... 2001 APR 18 - (NewsRx.com & NewsRx.net) -- DuPont Pharmaceuticals is developing an oral Tumor necrosis factor (TNF) Alpha Converting Enzyme (TACE) inhibitor. TACE is a new target implicated in the inflammatory process that is a factor in many diseases, such as rheumatoid ...
Nonviral, Electroporation-Assisted Vaccine Produces 100% Tumor Rejection In Mice.(melanoma vaccine)
Apr 18, 2001 ... 2001 APR 18 - (NewsRx.com & NewsRx.net) -- by N.R. Saltmarsh, staff medical writer - A plasmid-delivered vaccine consisting of two melanoma tumor antigens enabled mice to completely overcome tumor challenge and even improved survival time for mice with established metastatic ...
FDA Grants Immunotherapeutic Orphan Drug Status.(to HspEy for treatment of recurrent respiratory papillomatosis)
Apr 18, 2001 ... 2001 APR 18 - (NewsRx.com & NewsRx.net) -- Stressgen Biotechnologies Corp. (SSB) announced March 29, 2001, that the U. S. Food and Drug Administration (FDA) has granted orphan drug status for HspE7, an immunotherapeutic for the treatment of a human papillomavirus (HPV)-related ...
Patent Granted For DNA Vaccine Technology.(patent given to Ravax vaccine for rheumatoid arthritis therapy)
Apr 18, 2001 ... 2001 APR 18 - (NewsRx.com & NewsRx.net) -- The Immune Response Corp. (IMNR) announced March 30, 2001, that it has received U.S. Patent Number 6,207,645 expanding coverage relating to its immune-based therapy for rheumatoid arthritis, Ravax(TM). The recently issued ...
Interferon Therapy Reduces Risk In Patients With HCV-Related Cirrhosis.
Apr 25, 2001 ... 2001 APR 25 - (NewsRx.com & NewsRx.net) -- by Sonia Nichols, staff medical writer - Patients with hepatitis-C-related liver cirrhosis can reduce their chances of developing liver cancer by taking long-term interferon (IFN) therapy. A review of 694 chronic hepatitis C ...
T-Helper Cytokine Blockers Can Prevent Fungal Infections.
Apr 25, 2001 ... 2001 APR 25 - (NewsRx.com & NewsRx.net) -- by Michael Greer, staff medical writer - Researchers in Italy say that drugs that block the action of certain immune cytokines can help prevent infections after stem cell transplantation from unmatched donors. "Patients ...
BCG Vaccine Does Not Lower Risk Of Atopic Disease.
Apr 25, 2001 ... 2001 APR 25 - (NewsRx.com & NewsRx.net) -- by N.R. Saltmarsh, staff medical writer - Early vaccination with bacille Calmette-Guerin (BCG) does not decrease the likelihood of atopic disease in children, according to a report in Pediatrics. "BCG is a strong T helper 1 ...
Third-Generation Antihistamines Generally Safe In Children.
Apr 25, 2001 ... 2001 APR 25 - (NewsRx.com & NewsRx.net) -- by N.R. Saltmarsh, staff medical writer - The evolution of antihistamines has resulted in a class of drugs that are unlikely to sedate children and present low cardiac risk. A.P. Teneick and colleagues conducted a literature ...
Vitamin A May Enhance Interferon's Effectiveness.
Apr 25, 2001 ... 2001 APR 25 - (NewsRx.com & NewsRx.net) -- Experiments with human cells conducted by Pennsylvania State University researchers have shed new light on vitamin A's role in the immune response, suggesting that the vitamin's active form may enhance the effectiveness of interferon, ...