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Query: UMLS:C0409974 (lupus)
 22,386 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The development of autoimmunity in New Zealand mice is related to genetic, immunologic, and viral factors. Evidence is presented to suggest that thymus-dependent immune functions may be depressed and bone marrow-dependent functions augmented in these mice. Antibodies to RNA and DNA appear spontaneously and can also be induced by treatment with rI.rC. Antibodies binding rI.rC-(14)C in human lupus sera, in NZB/NZW F(1) (B/W) mice developing lupus, and in NZB, ALN, and ALN/NZB mice have greatest specificity for reovirus double-stranded RNA. Treatment of B/W mice with RNA and cyclophosphamide induces immunologic tolerance, and suppresses antibodies binding rI.rC-(14)C. During recovery, the specificity of the antibodies is unaltered. Induction of tolerance in this way prevents the accelerated formation of anti-RNA antibodies normally induced by MLV. This finding suggests that virus-accelerated and natural disease occur through a similar mechanism, and supports the hypothesis that viruses may act as antigenic stimuli for a genetically hyper-responsive antibody-producing system.
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PMID:Immune cell cooperation, viruses, and antibodies to nucleic acids in new zealand mice. 1986 81

Aluminium oxyhydroxide (alum), a nanocrystalline compound forming agglomerates, has been used in vaccines for its immunological adjuvant effect since 1927. Alum is the most commonly used adjuvant in human and veterinary vaccines, but the mechanisms by which it stimulates immune responses remain incompletely understood. Although generally well tolerated, alum may occasionally cause disabling health problems in presumably susceptible individuals. A small proportion of vaccinated people present with delayed onset of diffuse myalgia, chronic fatigue and cognitive dysfunction, and exhibit very long-term persistence of alum-loaded macrophages at the site of previous intramuscular (i.m.) immunization, forming a granulomatous lesion called macrophagic myofasciitis (MMF). Clinical symptoms associated with MMF are paradigmatic of the recently delineated 'autoimmune/inflammatory syndrome induced by adjuvants' (ASIA). The stereotyped cognitive dysfunction is reminiscent of cognitive deficits described in foundry workers exposed to inhaled Al particles. Alum safety concerns will largely depend on whether the compound remains localized at the site of injection or diffuses and accumulates in distant organs. Animal experiments indicate that biopersistent nanomaterials taken up by monocyte-lineage cells in tissues, such as fluorescent alum surrogates, can first translocate to draining lymph nodes, and thereafter circulate in blood within phagocytes and reach the spleen, and, eventually, slowly accumulate in the brain.
Lupus 2012 Feb
PMID:Macrophagic myofasciitis: characterization and pathophysiology. 2223 51

Immune challenges during early development, including those vaccine-induced, can lead to permanent detrimental alterations of the brain and immune function. Experimental evidence also shows that simultaneous administration of as little as two to three immune adjuvants can overcome genetic resistance to autoimmunity. In some developed countries, by the time children are 4 to 6 years old, they will have received a total of 126 antigenic compounds along with high amounts of aluminum (Al) adjuvants through routine vaccinations. According to the US Food and Drug Administration, safety assessments for vaccines have often not included appropriate toxicity studies because vaccines have not been viewed as inherently toxic. Taken together, these observations raise plausible concerns about the overall safety of current childhood vaccination programs. When assessing adjuvant toxicity in children, several key points ought to be considered: (i) infants and children should not be viewed as "small adults" with regard to toxicological risk as their unique physiology makes them much more vulnerable to toxic insults; (ii) in adult humans Al vaccine adjuvants have been linked to a variety of serious autoimmune and inflammatory conditions (i.e., "ASIA"), yet children are regularly exposed to much higher amounts of Al from vaccines than adults; (iii) it is often assumed that peripheral immune responses do not affect brain function. However, it is now clearly established that there is a bidirectional neuro-immune cross-talk that plays crucial roles in immunoregulation as well as brain function. In turn, perturbations of the neuro-immune axis have been demonstrated in many autoimmune diseases encompassed in "ASIA" and are thought to be driven by a hyperactive immune response; and (iv) the same components of the neuro-immune axis that play key roles in brain development and immune function are heavily targeted by Al adjuvants. In summary, research evidence shows that increasing concerns about current vaccination practices may indeed be warranted. Because children may be most at risk of vaccine-induced complications, a rigorous evaluation of the vaccine-related adverse health impacts in the pediatric population is urgently needed.
Lupus 2012 Feb
PMID:Mechanisms of aluminum adjuvant toxicity and autoimmunity in pediatric populations. 2223 57

Alum (AlK(SO(4))(2)) is an adjuvant commonly utilized in vaccines, and is a ubiquitous element used extensively in contemporary life. Food, air, water, waste, the earth's surface, and pharmaceuticals all represent pathways of aluminum (Al) exposure. Crohn's disease (CD) is a chronic relapsing intestinal inflammation in genetically susceptible individuals and is caused by yet unidentified environmental factors. Al is a potential factor for the induction of inflammation in CD, and its immune activities share many characteristics with the immune pathology of CD: many luminal bacterial or dietary compounds can be adsorbed to the metal surface and induce Th1 profile cytokines, shared cytokines/chemokines, co-stimulatory molecules, and intracellular pathways and stress-related molecular expression enhancement, affecting intestinal macrobiota, trans-mural granuloma formation, and colitis induction in an animal CD model. The inflammasome plays a central role in Al mode of action and in CD pathophysiology. It is suggested that Al adjuvant activity can fit between the aberrations of innate and adaptive immune responses occurring in CD. The CD mucosa is confronted with numerous inappropriate bacterial components adsorbed on the Al compound surface, constituting a pro-inflammatory supra-adjuvant. Al fits the diagnostic criteria of the newly described autoimmune/inflammatory syndrome induced by adjuvants. If a cause and effect relationship can be established, the consequences will greatly impact public health and CD prevention and management.
Lupus 2012 Feb
PMID:Aluminum as an adjuvant in Crohn's disease induction. 2223 58

Discoid lupus erythematosus (DLE) is a chronic form of cutaneous lupus that can cause permanent scarring. Treatment of DLE includes protection from sunlight and artificial sources of ultraviolet light, as well as systemic and topical medications. The first-line standard therapies are antimalarials and topical steroids. Other systemic therapies include systemic steroid, azathioprine, dapsone, and immunosuppressive agents. Topical tacrolimus and pimecrolimus have also been evaluated. Recent studies reported that several treatments, including pulsed dye laser, CO2 laser, intense pulsed light (IPL), and 1,064-nm long-pulse neodymium-doped yttrium aluminum (Nd:YAG) have been used for the cosmetic treatment of DLE. Here, we report a case of a DLE scar that was successfully treated with a combination therapy of IPL and Q-switched 1,064-nm Nd:YAG laser.
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PMID:Intense Pulsed Light and Q-Switched 1,064-nm Neodymium-Doped Yttrium Aluminum Garnet Laser Treatment for the Scarring Lesion of Discoid Lupus Erythematosus. 2856 11

Dear Editor, Tattooing is a global and ancient practice that has endured until the present day. It was originally used to indicate religious beliefs, tribal affiliation, loyalty to a leader, or had a therapeutic function. Adverse reactions from tattooing are common, and cutaneous reactions to red pigment have been widely reported (1,2). Herein we report a case of a 30-year-old female patient admitted to our Department of Dermatology for a reaction to a tattoo localized at the violet and black areas of the tattoo on the upper part of her left leg. The patient reported that the tattoo had been made two years earlier, but the cutaneous alterations appeared after she decided to change the color from pink to violet. On physical examination, multiple erythematous nodular itching lesions were present at the areas of the tattoo in which the violet and black color were used (Figure 1). She had undergone antibiotic therapy without resolution after which topical corticosteroids were applied with temporary remission of signs and symptoms. Personal and familial medical history were negative. The patient reported a jewelry allergy that had never been investigated. Based on the suspicion of an allergic reaction we decided to execute a patch test SIDAPA series and patch test special tattoo series (copper sulfate 1% water, dimetilaminoazobenzene-p 1%, aminoazotoluene-o 1%, blue scattered 3 1%, blue scattered 124 1%, yellow scattered 3 1%, orange scattered 3 1%, red scattered 1 1%, gentian violet 2%, cadmium chloride 1% in water, nickel sulphate 5%, iron chloride 2% in water, potassium dichromate 0.5%, chromium trichloride 2%, aminoazobenzene-p 0.25%, cobalt chloride 1%, aluminum chloride 2%, titanium dioxide 0.1%, zinc 2.5%, mercury chloride 0.05% in water, kathon cg 0.01% in water, phenol 0.5%, ethylenediamine hydrochloride1%, phenylenediamine base-p 1%, formaldehyde 1% in water, phthalic anhydride 1%, rosin 20%, dibutyl phthalate 5%, hexamethylenetetramine 1%, benzophenone 5%). Both series of patch test showed positivity for nickel sulfate 5% at 48 hours (++) and 72 hours (+++). We then performed a 4 mm punch biopsy of the nodular lesions localized at the black and violet areas. The histological examination revealed dermal sclerosis characterized by inflammatory reaction with lympho-mononuclear infiltration in the perivasal zone. Macrophages with red and black pigment were present. The histological pattern was compatible with a granulomatous reaction. Tattooing can result in a wide variety of complications, whose prevalence and incidence still remain unclear. Some authors (3) classify such cutaneous complications in various ways, such as according to: - the length of their evolution: acute and chronic reactions; - the delay of onset after tattooing: early - during the healing phase - or delayed - after tattoo healing; - the type of reaction: infection, hypersensitivity reaction, etc. The practice of tattooing may have local or systemic complications. Dermatoses such as psoriasis, systemic erythematous lupus, sarcoidosis, lichen planus, and pseudo-epitheliomatous hyperplasia can be localized in the area of the tattoo, but allergic sensitivity to one of the pigments is the most frequent cause of dermatological reactions in the site of tattoo (4,5). In fact, adverse reactions to tattoo pigments, especially the red one, are well-described in literature. Furthermore, these compounds frequently contain components which are not systematically characterized. In our case, the granulomatous reaction did not correspond to an allergic reaction to the pigment. In fact, the patch test was negative for all pigments investigated, only showing a positive result for nickel sulfate. However, the specific and well-defined localization of the nodular lesions on the black and violet areas led us to hypothesize that the tattoo pigments in these areas contained some unknown component causing the reaction. In our opinion, a possible explanation could be that the new pigment that had been used contained a small amount of nickel sulfate, which caused the granulomatous reaction. In conclusion, we presented this clinical case to emphasize the widespread incidence of tattoo-related adverse effects, which are mostly caused by red pigment. Dermatologists should constantly strive familiarize themselves with current research on this practice and its complications. On the other hand, people with potential risk factors for adverse reactions should refer to a specialist before getting tattoos. Tattooists should use a checklist and informed consent to screen people with such potential risk factors. Furthermore, it is necessary to perform additional studies concerning ink and pigment components, with the aim of systemically characterizing the substances used in tattoos. Lastly, as emphasized by our case, patients at risk should referred to the dermatologist not only before getting a new tattoo but also in case of color changes in a pre-existing tattoo.
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PMID:Tridimensional Matryoshka Tattoo: An Important. 3154 68