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https://www.readbyqxmd.com/read/28340402/eslicarbazepine-acetate-as-a-therapeutic-option-in-a-patient-with-carbamazepine-induced-rash-and-hla-a-31-01
#1
Lara Kay, Laurent M Willems, Johann Philipp Zöllner, Philipp S Reif, Karl Martin Klein, Felix Rosenow, Adam Strzelczyk
Eslicarbazepine acetate (ESL) is an anticonvulsant drug approved for the treatment of focal epilepsies, and related to oxcarbazepine and carbamazepine (CBZ), which are also derivatives of the dibenzazepine family. ESL is contraindicated in patients with hypersensitivity reactions to CBZ.We report a patient with frontal lobe epilepsy responding to treatment with ESL without any serious adverse effects after developing a severe skin rash following treatment with CBZ. HLA testing revealed an HLA-A*31:01 haplotype, that increases the risk of CBZ-induced cutaneous reactions...
March 18, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28337685/type-iii-hypersensitivity-reaction-to-subcutaneous-insulin-preparations-in-a-type-1-diabetic
#2
Benjamin R Murray, Jolene R Jewell, Kyle J Jackson, Olabunmi Agboola, Brianna R Alexander, Poonam Sharma
Management of type 1 diabetes in patients who have insulin hypersensitivity is a clinical challenge and places patients at risk for recurrent diabetic ketoacidosis (DKA). Hypersensitivity reactions can be due to the patient's response to the insulin molecule itself or one of the injection's non-insulin components. It is therefore crucial for clinicians to quickly recognize the type of hypersensitivity reaction that is occurring and identify potentially immunogenic additives for the purpose of directing therapy as various insulin preparations have differing ingredients...
March 23, 2017: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/28331334/safety-efficacy-and-clinical-utility-of-asparaginase-in-the-treatment-of-adult-patients-with-acute-lymphoblastic-leukemia
#3
REVIEW
Jamie Koprivnikar, James McCloskey, Stefan Faderl
Adults with acute lymphoblastic leukemia (ALL) are known to have inferior outcomes compared to the pediatric population. Although the reasons for this are likely manyfold, the agents utilized and the increased intensity of pediatric treatments compared to adult treatments are likely significant contributing factors. Asparaginase, an enzyme that converts asparagine to aspartic acid, forms the backbone of almost all pediatric regimens and works by depleting extracellular asparagine, which ALL cells are unable to synthesize...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28330775/novel-interferon-%C3%AE-enzyme-linked-immunospot-assay-using-activated-cells-for-identifying-hypersensitivity-inducing-drug-culprits
#4
Kenichi Kato, Asami Kawase, Hiroaki Azukizawa, Takaaki Hanafusa, Yukinobu Nakagawa, Hiroyuki Murota, Shimon Sakaguchi, Hideo Asada, Ichiro Katayama
BACKGROUND: The drug-induced lymphocyte stimulation test (DLST), also referred to as lymphocyte transformation test (LTT), is used to identify the culprit drug in cases of cutaneous adverse drug reactions (cADR). Although DLST is a widely used in vitro test, its sensitivity and specificity are unsatisfactory. Recent reports suggest that the detection of drug-induced interferon (IFN)-γ production using enzyme-linked immunoSpot (ELISpot) assay (conventional IFN-γ ELISpot) is useful for identifying culprit drugs in cADR cases...
March 14, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28330270/expression-and-purification-of-a-gene-encoding-a-9-7%C3%A2-kda-pe-protein-of-mycobacterium-avium-subsp-paratuberculosis
#5
S Chandra Sekar, P P Goswami, R Deb
Mycobacterium avium subsp. paratuberculosis (Map) contains PE family antigens which are Proline and glutamic acid rich and may play important role as T-cell antigens. In the present study, the Map 1507 ORF encoding 9.7 kDa PE protein was amplified by polymerase chain reaction and cloned into E. coli vector pQE30 UA. The recombinant plasmid designated as pQ PE was transformed into E. coli M15 cells and induced with IPTG revealed the high level expression of 11.9 kDa His-fusion protein as estimated by migration in 15 % sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE)...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28326907/skin-sensitizers-in-cosmetics-and-beyond-potential-multiple-mechanisms-of-action-and-importance-of-t-cell-assays-for-in-vitro-screening
#6
Stanislav Vukmanović, Nakissa Sadrieh
Allergic contact dermatitis (ACD) is a delayed-type hypersensitivity (DTH) reaction induced by repeated contact with sensitizers. The ability of a chemical to act as a sensitizer has most frequently been tested in animals. As the use of animals for these purposes is gradually and globally being phased out, there is a need for reliable in vitro surrogate assays. Currently proposed in vitro assays are designed to test four key events of the adverse outcome pathway (AOP) involving covalent modification of self-proteins by sensitizers (haptenation) and presentation of new antigens (hapten/carrier complexes) to the immune system...
March 22, 2017: Critical Reviews in Toxicology
https://www.readbyqxmd.com/read/28325516/scabietic-vasculitis-report-of-2-cases
#7
C Clevy, D Brajon, E Combes, M Benzaquen, J-P Dales, M-C Koeppel, P Berbis
BACKGROUND: The infectious causes of cutaneous vasculitis are well known and include streptococcal infections among others. Cases resulting from parasitic infection are less frequent. Scabies, which is currently on the increase, has only been reported in a few isolated cases. Herein, we report two noteworthy cases of profuse scabies complicated by cutaneous vasculitis. PATIENTS AND METHODS: Case 1: a 90-year-old woman, residing in a nursing home, was admitted to our dermatology department complaining of pruritus, present for one month, predominantly on the inside of the thighs and on the buttocks, associated with purpuric lesions on the lower limbs...
March 18, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28320470/methimazole-associated-eosinophilic-pleural-effusion-a-case-report
#8
Pedro Gaspar-da-Costa, Filipa Duarte Silva, Júlia Henriques, Sónia do Vale, Sandra Braz, João Meneses Santos, Rui M M Victorino
BACKGROUND: Adverse reactions associated to anti-thyroid drugs include fever, rash, arthralgia, agranulocytosis and hepatitis that are thought to be hypersensitivity reactions. Five cases of pleural effusion associated to thionamides have also been reported, two with propylthiouracil and three with carbimazole. CASE PRESENTATION: We report here a case of a 75-year-old man admitted because of unilateral pleural effusion. The patient had a recent diagnosis of hyperthyroidism and 6 days after starting methimazole complained of pleuritic chest pain...
March 21, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28317851/mdhir-proteins-repress-anthocyanin-accumulation-by-interacting-with-the-mdjaz2-protein-to-inhibit-its-degradation-in-apples
#9
Ke-Qin Chen, Xian-Yan Zhao, Xiu-Hong An, Yi Tian, Dan-Dan Liu, Chun-Xiang You, Yu-Jin Hao
In higher plants, jasmonate ZIM-domain (JAZ) proteins negatively regulate the biosynthesis of anthocyanins by interacting with bHLH transcription factors. However, it is largely unknown if and how other regulators are involved in this process. In this study, the apple MdJAZ2 protein was characterized in regards to its function in the negative regulation of anthocyanin accumulation and peel coloration. MdJAZ2 was used as a bait to screen a cDNA library using the yeast two-hybrid method. The hypersensitive induced reaction (HIR) proteins, MdHIR2 and MdHIR4, were obtained from this yeast two-hybrid...
March 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28315874/multiple-drug-hypersensitivity
#10
Werner J Pichler, Yuttana Srinoulprasert, James Yun, Oliver Hausmann
Multiple drug hypersensitivity (MDH) is a syndrome that develops as a consequence of massive T-cell stimulations and is characterized by long-lasting drug hypersensitivity reactions (DHR) to different drugs. The initial symptoms are mostly severe exanthems or drug rash with eosinophilia and systemic symptoms (DRESS). Subsequent symptoms due to another drug often appear in the following weeks, overlapping with the first DHR, or months to years later after resolution of the initial presentation. The second DHR includes exanthema, erythroderma, DRESS, Stevens-Johnson syndrome/toxic epidermal necrolysis (SJS/TEN), hepatitis, and agranulocytosis...
March 18, 2017: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28315856/an-update-on-hla-alleles-associated-with-adverse-drug-reactions
#11
Ingrid Fricke-Galindo, Adrián LLerena, Marisol López-López
Adverse drug reactions (ADRs) are considered as an important cause of morbidity and mortality. The hypersensitivity reactions are immune-mediated ADRs, which are dose-independent, unpredictable and have been associated with several HLA alleles. The present review aimed to describe HLA alleles that have been associated with different ADRs in populations worldwide, the recommendations of regulatory agencies and pharmacoeconomic information and databases for the study of HLA alleles in pharmacogenetics. A systematic search was performed in June 2016 of articles relevant to this issue in indexed journals and in scientific databases (PubMed and PharmGKB)...
March 18, 2017: Drug Metabolism and Personalized Therapy
https://www.readbyqxmd.com/read/28315538/self-administered-premedication-improving-taxane-chemotherapy-treatment%C3%A2
#12
Kristin Roper, Mary Lou Siefert, Frances Fuller, Diane Lucier, Donna L Berry
BACKGROUND: Patients receiving taxane therapy are at risk for hypersensitivity reactions without appropriate premedication management. Patients must understand the importance of taking premedications as prescribed to prevent reactions.
. OBJECTIVES: The objectives of this study were to implement and evaluate a multidisciplinary practice protocol comprised of standardized nursing documentation of premedication regimens, teaching, and patient adherence to at-home premedication in an electronic health record (EHR)...
April 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28314521/orienting-reaction-may-help-recognition-of-patients-with-psychogenic-nonepileptic-seizures
#13
Murat Yalçın, Evrim Tellioğlu, Ayşegül Gündüz, Mine Özmen, Naz Yeni, Çiğdem Özkara, Meral E Kiziltan
OBJECTIVE: Psychogenic nonepileptic seizures (PNES) are abrupt, paroxysmal changes in behavior or consciousness that may phenomenologically resemble epileptic seizures. Given the known association between anxiety and PNES, we hypothesized that in these subjects there may be evidence that the nervous system is hypersensitive to external stimuli. We aimed to test our hypothesis by means of the auditory startle reaction (ASR). By investigating ASR, we also had the opportunity to test presence of orienting reaction, which is generally defined as the second phase of response after the auditory stimulus, with longer latency...
March 14, 2017: Neurophysiologie Clinique, Clinical Neurophysiology
https://www.readbyqxmd.com/read/28314173/histopathology-combined-with-transcriptome-analyses-reveals-the-mechanism-of-resistance-to-meloidogyne-incognita-in-cucumis-metuliferus
#14
De-You Ye, Yong-Hong Qi, Su-Fang Cao, Bing-Qiang Wei, Hua-Sheng Zhang
Root-knot nematodes (Meloidogyne spp.) cause serious threat to cucumber production. Cucumis metuliferus, a relative of cucumber, is reported to be resistant to Meloidogyne incognita, yet the underlying resistance mechanism remains unclear. In this study, the response of resistant C. metuliferus accession PI482443 following nematode infection was studied in comparison with susceptible C. sativus cv. Jinlv No.3. Roots of selected Cucumis seedings were analysed using histological and biochemical techniques. Transcriptome changes of the resistance reaction were investigated by RNA-seq...
February 20, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28303164/adverse-drug-reactions-triggered-by-the-common-hla-b-57-01-variant-a-molecular-docking-study
#15
George Van Den Driessche, Denis Fourches
BACKGROUND: Human leukocyte antigen (HLA) surface proteins are directly involved in idiosyncratic adverse drug reactions. Herein, we present a structure-based analysis of the common HLA-B*57:01 variant known to be responsible for several HLA-linked adverse effects such as the abacavir hypersensitivity syndrome. METHODS: First, we analyzed three X-ray crystal structures involving the HLA-B*57:01 protein variant, the anti-HIV drug abacavir, and different co-binding peptides present in the antigen-binding cleft...
2017: Journal of Cheminformatics
https://www.readbyqxmd.com/read/28301410/allergic-reaction-upon-intravitreal-administration-of-anti-vascular-endothelial-growth-factor-agents
#16
Gavin G Meredith, Paul A Schkade, Brian C Joondeph
PURPOSE: To describe the patient's allergic response to anti-vascular endothelial growth factor drugs after receiving intravitreal bevacizumab for choroidal neovascularization. METHODS: Clinical case report. RESULTS: Formal allergy evaluation revealed hypersensitivity to bevacizumab and ranibizumab, but not to pegaptanib or aflibercept. CONCLUSION: Bevacizumab and ranibizumab are derivatives of murine monoclonal antibodies, whereas pegaptanib is an aptamer and aflibercept is a fusion protein of human origin...
March 15, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28301407/in-vivo-cysteinyl-leukotriene-release-in-allergic-and-nonallergic-immediate-hypersensitivity-reactions-during-anesthesia
#17
Dominique Laroche, Pierre Léturgie, Delphine Mariotte, Yann Ollivier, Jean-Luc Hanouz, Brigitte Le Mauff, Jean-Jacques Parienti
BACKGROUND: Immediate hypersensitivity reactions occurring during anesthesia are classified as allergic when skin tests and mast cell tryptase are positive and as nonallergic when negative results are obtained. Cysteinyl leukotrienes (cysLTs) are potent mediators synthesized by mast cell and eosinophil that induce bronchial constriction. They could play a role in hypersensitivity reactions. METHODS: cysLT C4, D4, and E4 concentrations were measured by a competition immunoassay in serial plasma samples obtained prospectively from 21 anesthetized controls and retrospectively from 34 patients who reacted at induction of anesthesia (24 with allergic and 10 with nonallergic reactions)...
March 16, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28300831/immunoproteomic-identification-and-characterization-of-ni-2-regulated-proteins-implicates-ni-2-in-the-induction-of-monocyte-cell-death
#18
Annika Jakob, Franz Mussotter, Stefanie Ohnesorge, Lisa Dietz, Julian Pardo, Ian D Haidl, Hermann-Josef Thierse
Nickel allergy is the most common cause of allergic reactions worldwide, with cutaneous and systemic effects potentially affecting multiple organs. Monocytes are precursors of not only macrophages but also dendritic cells, the most potent activators of nickel hypersensitivity. Monocytes are themselves important antigen-presenting cells, capable of nickel-specific T-cell activation in vivo and in vitro, in addition to being important for immediate innate immune inflammation. To elucidate early Ni(2+)-dependent inflammatory molecular mechanisms in human monocytes, a Ni(2+)-specific proteomic approach was applied...
March 16, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28296768/difficult-clinical-management-of-antituberculosis-dress-syndrome-complicated-by-mrsa-infection-a-case-report
#19
Li Wang, Lin-Feng Li
RATIONALE: Drug reaction with eosinophilia and systemic symptoms (DRESS) syndrome is a severe drug-induced hypersensitivity reaction characterized by skin rash, fever, blood abnormalities, and multiple organ involvement. The diagnosis of DRESS syndrome is often delayed because of its variable presentation. Prompt withdrawal of the culprit drug is the definitive treatment. DRESS syndrome induced by antituberculosis drugs has rarely been reported. PATIENT CONCERNS: A 50-year-old man admitted to our hospital with recurrent episodes of progressive rash, fever, eosinophilia, lymphadenopathy, hepatic, and pulmonary involvement were experienced after repeat trials of the same antituberculosis drugs...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28294589/selective-hypersensitivity-to-cefazolin-and-contribution-of-the-basophil-activation-test
#20
J P Almeida, A Lopes, A Campos Melo, M C Pereira Santos, M Pereira Barbosa
The authors present 2 case reports of selective cefazolin hypersensitivity: a 49 year-old woman with a history of two perioperative reactions (urticaria and severe anaphylaxis) after the use of rocuronium, propophol and cefazolin; a 36 year-old pregnant woman who developed facial erythema, lips angioedema and hypotension immediately after administration of ropivacain, sufentanil, cefazolin, oxytocin and ephedrine. In both cases, intradermal skin tests were positive for cefazolin. A basophil activation test was performed for cefazolin, which was positive in one patient...
March 2017: European Annals of Allergy and Clinical Immunology
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