PubMed Journal Database | Clinical reviews in allergy & immunology 
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Showing PubMed Articles 1–25 of 96 from Clinical reviews in allergy & immunology
Non-Cigarette Tobacco and the Lung.
Cigarette smoking is known to cause a wide range of damaging health outcomes; however, the effects of non-cigarette tobacco products are either unknown or perceived as less harmful than cigarettes. Smokeless tobacco, cigar smoking, and waterpipe smoking have increased in usage over the past few decades. Some experts believe that their use is reaching epidemic proportions. Factors such as a perception of harm reduction, targeted advertising, and unrecognized addiction may drive the increased consumption of n...
Respiratory Syncytial Virus-A Comprehensive Review.
Respiratory syncytial virus (RSV) is amongst the most important pathogenic infections of childhood and is associated with significant morbidity and mortality. Although there have been extensive studies of epidemiology, clinical manifestations, diagnostic techniques, animal models and the immunobiology of infection, there is not yet a convincing and safe vaccine available. The major histopathologic characteristics of RSV infection are acute bronchiolitis, mucosal and submucosal edema, and luminal occlusion b...
Hypersensitivity Reactions to Corticosteroids.
Hypersensitivity reactions to corticosteroids (CS) are rare in the general population, but they are not uncommon in high-risk groups such as patients who receive repeated doses of CS. Hypersensitivity reactions to steroids are broadly divided into two categories: immediate reactions, typically occurring within 1 h of drug administration, and non-immediate reactions, which manifest more than an hour after drug administration. The latter group is more common. We reviewed the literature using the search terms...
Recommendations for the Management of Beta-Lactam Intolerance.
Beta-lactam intolerance, most of which is not IgE or even immunologically mediated even though it is commonly called an "allergy," can be safely managed using the following seven steps: 1. Avoid testing, re-challenging, or desensitizing individuals with histories of beta-lactam associated toxic epidermal necrolysis, Stevens-Johnson syndrome, drug reaction with eosinophilia and systemic symptoms syndrome, severe hepatitis, interstitial nephritis, or hemolytic anemia. 2. Avoid unnecessary antibiotic use, espe...
Globally, the rising consumption of fish and its derivatives, due to its nutritional value and divergence of international cuisines, has led to an increase in reports of adverse reactions to fish. Reactions to fish are not only mediated by the immune system causing allergies, but are often caused by various toxins and parasites including ciguatera and Anisakis. Allergic reactions to fish can be serious and life threatening and children usually do not outgrow this type of food allergy. The route of exposure...
Late-Onset Inflammatory Adverse Reactions Related to Soft Tissue Filler Injections.
An ever-increasing number of persons seek medical solutions to improve the appearance of their aging skin or for aesthetic and cosmetic indications in diverse pathological conditions, such as malformations, trauma, cancer, and orthopedic, urological, or ophthalmological conditions. Currently, physicians have many different types of dermal and subdermal fillers, such as non-permanent, permanent, reversible, or non-reversible materials. Despite the claims of manufacturers and different authors that fillers ar...
The Implication of Vitamin D and Autoimmunity: a Comprehensive Review.
Historically, vitamin D has been associated with the regulation of bone metabolism. However, increasing evidence demonstrates a strong association between vitamin D signaling and many biological processes that regulate immune responses. The discovery of the vitamin D receptor in multiple immune cell lineages, such as monocytes, dendritic cells, and activated T cells credits vitamin D with a novel role in modulating immunological functions and its subsequent role in the development or prevention of autoimmun...
Anti-proteinase 3 anti-neutrophil cytoplasmic antibodies (anti-PR3 ANCA) represent an established serologic marker of active granulomatosis with polyangiitis, but their role as a serologic marker in inflammatory bowel disease (IBD) remains uncertain. This study evaluates the presence of anti-PR3 ANCA and their validity as a serologic marker to aid in the diagnosis of IBD. Retrospectively, 142 serum samples obtained at early stages of the disease were analyzed with a new chemiluminiscent assay for the measur...
Novel Mechanisms of Action of the Biologicals in Rheumatic Diseases.
Biological drugs targeting pro-inflammatory or co-stimulatory molecules or depleting lymphocyte subsets made a revolution in rheumatoid arthritis (RA) treatment. Their comparable efficacy in clinical trials raised the point of the heterogeneity of RA pathogenesis, suggesting that we are dealing with a syndrome rather than with a single disease. Several tumor necrosis factor-alpha (TNF-α) blockers are available, and a burning question is whether they are biosimilar or not. The evidence of diverse biological...
Novel Approaches to Food Allergy.
Food allergies have increased in recent decades. However, they cannot be effectively treated by the current management, which is limited to the identification and avoidance of foods that induce allergies and to the use of medicines for symptoms relief. To meet the medical need of prevention and cure of food allergies, several therapeutic strategies are under investigation. Some newly developed biologics such as anti-IgE antibody and anti-interleukin (IL)-5 antibody directed against significant molecules in...
Smell and Autoimmunity: A Comprehensive Review.
The sense of smell is an ancient sensory modality vital for sampling and perceiving the chemical composition of surrounding environments. Olfaction involves a pathway of biochemical and electrophysiological processes, which allows the conversion of molecular information into sensations. Disturbances in the olfactory function have been investigated mainly in neurological/neurodegenerative disorders such as Alzheimer's and Parkinson's diseases; impaired sense of smell has been associated with depressed mood....
The mechanisms leading to the onset and perpetuation of systemic and tissue-specific autoimmune diseases are complex, and numerous hypotheses have been proposed or confirmed over the past 12 months. It is particularly of note that the number of articles published during 2011 in the major immunology and autoimmunity journals increased by 3 % compared to the previous year. The present article is dedicated to a brief review of the reported data and, albeit not comprehensive of all articles, is aimed at ident...
To B or Not to B the Conductor of Rheumatoid Arthritis Orchestra.
Rheumatoid arthritis (RA) is a chronic, systemic immune-mediated inflammatory disorder that mainly targets the joints. Several lines of evidence have pointed to B cell function as a critical factor in the development of RA. B cells play several roles in the pathogenesis of RA, such as autoantibody production, antigen presentation and T cell activation, cytokine release, and ectopic lymphoid organogenesis. The success of B cell depletion therapy in RA further supports the relevance of these cells in RA progr...
Impact of Hallmark Autoantibody Reactivity on Early Diagnosis in Scleroderma.
Raynaud's phenomenon often precedes the diagnosis of systemic sclerosis and is the first symptom of the disease in many cases. Antinuclear antibody positivity can assist in the early identification of cases of isolated Raynaud's phenomenon likely to progress to systemic sclerosis. However, the specific differences between rate of progression for different scleroderma hallmark antibodies is less clear. We review the predictive potential of ANA positivity and nailfold capillaroscopy for identifying cases of R...
Scientific Basis of Botanical Medicine as Alternative Remedies for Rheumatoid Arthritis.
Rheumatoid arthritis (RA) is a chronic, systemic autoimmune inflammatory disorder that causes permanent disability and mortality to approximately 1 to 100 people in the world. Patients with RA not only suffer from pain, stiffness, swelling, and loss of function in their joints, but also have a higher risk of cardiovascular disease and lymphoma. Typically prescribed medications, including pain-relieving drugs, nonsteroidal anti-inflammatory drugs (NSAID), and disease-modifying antirheumatic drugs, can help t...
Immunological Orchestration of Liver Fibrosis.
Fibrosis represents the main pathophysiological consequence of all chronic inflammatory liver diseases and ultimately leads to the life-threatening clinical consequences of cirrhosis. Regardless of the underlying etiology, fibrosis involves interplay between cells of the immune systems and the direct mediators of fibrosis, including hepatic stellate cells. However, the precise physiological mechanism of liver fibrosis remains largely on enigma. Primary biliary cirrhosis (PBC) is a unique chronic, fibrosing...
Biliary epithelial cells (BECs) provide the first line of defense against lumenal microbes in the biliary system. BECs express a variety of pathogen recognition receptors and can activate several intracellular signaling cascades to initiate antimicrobial defenses, including production of several anti-microbial peptides, cytokines, chemokines, and adhesion molecules. BECs also secrete immunoglobulin A and interact with other cells through expression and release of adhesion molecules and immune mediators. Rec...
Behçet Syndrome: Is It One Condition?
Behçet's syndrome (BS) is a disease of unknown etiology, and as such, there have been efforts to classify BS within the popular nosological identities of the times such as seronegative spondarthritides, autoimmune, and more recently autoinflammatory diseases. Current evidence suggests that BS does not easily fit into any one of these lumps, while on occasion, it might be impossible to tell BS from Crohn's disease, especially when the main clinical presentation is intestinal ulceration. There are distinct r...
Pathogenic Intracellular and Autoimmune Mechanisms in Urticaria and Angioedema.
Urticaria and angioedema are common disorders. Chronic urticaria is defined as lasting longer than 6 weeks. Causes of chronic urticaria fall into the following categories: physical, allergic, hereditary, autoimmune, and idiopathic. Basophils and mast cells are the primary effector cells responsible for clinical symptoms and signs. These cells produce and secrete a variety of mediators including histamine, leukotrienes, prostaglandins, cytokines, chemokines, and other pro-inflammatory mediators. This leads...
Systemic Lupus Erythematosus, Progressive Multifocal Leukoencephalopathy, and T-CD4+ Lymphopenia.
Progressive multifocal leukoencephalopathy (PML) is a rare opportunistic infection caused by the reactivation of JC virus and occurs in patients with severe primary or secondary immunosuppression. Recently, PML is becoming relevant in autoimmune disorders, particularly in patients treated with biologic agents. However, systemic lupus erythematosus (SLE) appears to be associated with susceptibility to PML that cannot be entirely explained by the immunosuppressive therapy. The authors present two patients wit...
N-TproBNP as Biomarker in Systemic Sclerosis.
Systemic sclerosis (SSc) is a connective tissue disorder characterized by tissue fibrosis affecting the skin and internal organs, fibroproliferative vasculopathy, and autoimmune activation. SSc still heralds a poor prognosis with significant morbidity and mortality. Early detection of organ involvement is critical as currently available treatments are most effective when started early. Many candidate biomarkers have been investigated in the past two decades. However, despite the enormous efforts, no accurat...
Integrative Medicine in Allergy and Immunology.
Integrative medicine is a relatively new discipline which attempts to combine allopathic medicine with alternative or complementary medicine, to reap the benefits of both forms of medicine in optimizing the care of patients. Integrative medicine concentrates on treating the patient as a whole, both in body and mind. While the scientific method and "evidence-based" clinical research drives the management and treatment of diseases in conventional Western medicine, alternative or complementary medicine is base...
Recurrent Miscarriage, Antiphospholipid Antibodies and the Risk of Thromboembolic Disease.
Miscarriage affects 15 % of women, and while most are sporadic, there is a subset comprising 2-5 % of couples that suffers recurrent miscarriage (RM). Much work has been carried out to try to identify the RM underlying mechanisms. A subgroup of women with RM has been demonstrated to be in a prothrombotic state before pregnancy. The long-term health implications of this hypercoagulability may imply an increased risk of thrombotic events, including ischemic heart disease. Moreover, the presence of antiphosp...
Antineutrophil cytoplasmic antibodies (ANCA) are traditionally detected by an indirect immunofluorescence technique. According to the international consensus on ANCA testing, ANCA should also be tested by antigen-specific tests for myeloperoxidase-ANCA and proteinase 3-ANCA. The direct noncompetitive enzyme-linked immunosorbent assay (ELISA) used to be the method of choice. Nowadays, these assays are called "first-generation" assays. Second-generation tests (capture ELISA) or third-generation tests (anchor...
Treatment of ANCA-Associated Vasculitis, Where to Go?
The introduction of (oral) cyclophosphamide (CYC) in the treatment of ANCA-associated vasculitides (AAV) has strongly improved prognosis but the side effects of long-term CYC treatment are serious. A number of recent randomized controlled studies have shown that the cumulative dose of CYC can be strongly reduced in the treatment of AAV or even reduced to zero. Maintenance treatment can be performed with azathioprine (AZA), or methotrexate (MTX) in case of intolerance, although the intensity and duration of...
