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Drug hypersensitivity

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https://www.readbyqxmd.com/read/28101031/alectinib-induced-erythema-multiforme-and-successful-rechallenge-with-alectinib-in-a-patient-with-anaplastic-lymphoma-kinase-rearranged-lung-cancer
#1
Tatsuo Kimura, Junko Sowa-Osako, Toshiyuki Nakai, Ayako Ohyama, Tomoya Kawaguchi, Daisuke Tsuruta, Masahiko Ohsawa, Kazuto Hirata
BACKGROUND: Alectinib is an oral drug developed for the treatment of patients with fusion gene encoding echinoderm microtubule-associated protein-like 4-anaplastic lymphoma kinase (EML4-ALK)-rearranged non-small cell lung cancer (NSCLC). Here, we present the case of a patient treated with alectinib who developed a hypersensitivity reaction with successful rechallenge treatment. CASE PRESENTATION: A 39-year-old woman who was a passive smoker was referred to Osaka City University Hospital for the evaluation of a skin event caused by treatment for NSCLC with the fusion gene EML4-ALK...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/28100502/rack1-regulates-angiotensin-ii-induced-contractions-of-shr-preglomerular-vascular-smooth-muscle-cells
#2
Xiao Zhu, Edwin K Jackson
The preglomerular microcirculation of spontaneously hypertensive rats (SHR) is hypersensitive to angiotensin II, and studies show that this is likely due to enhanced convergent signaling between G-protein subunits αq (Gαq; released by angiotensin II) and G-protein subunits βγ (Gβγ; released by Gi-coupled receptors) to active phospholipase C (PLC). Here we investigated the molecular basis for the enhanced convergent signaling between Gβγ and Gαq in SHR preglomerular vascular smooth muscle cells (PGVSMCs)...
January 18, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28096358/repair-shielding-of-platinum-dna-lesions-in-testicular-germ-cell-tumors-by-high-mobility-group-box-protein-4-imparts-cisplatin-hypersensitivity
#3
Samuel G Awuah, Imogen A Riddell, Stephen J Lippard
Cisplatin is the most commonly used anticancer drug for the treatment of testicular germ cell tumors (TGCTs). The hypersensitivity of TGCTs to cisplatin is a subject of widespread interest. Here, we show that high-mobility group box protein 4 (HMGB4), a protein preferentially expressed in testes, uniquely blocks excision repair of cisplatin-DNA adducts, 1,2-intrastrand cross-links, to potentiate the sensitivity of TGCTs to cisplatin therapy. We used CRISPR/Cas9-mediated gene editing to knockout the HMGB4 gene in a testicular human embryonic carcinoma and examined cellular responses...
January 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28095324/formalin-injection-produces-long-lasting-hypersensitivity-with-characteristics-of-neuropathic-pain
#4
Ana Belen Salinas-Abarca, Sabino Hazael Avila-Rojas, Paulino Barragán-Iglesias, Jorge Baruch Pineda-Farias, Vinicio Granados-Soto
The purpose of this study was to investigate whether 1%, 2% or 5% formalin injection produce hypersensitivity with characteristics of the neuropathic pain induced by spinal nerve injury. Formalin injection (1%, 2% and 5%) produced concentration-dependent long-lasting (at least 14 days) mechanical allodynia and hyperalgesia in both paws. Likewise, L5/L6 spinal nerve ligation induced allodynia and hyperalgesia in both paws. The intensity of hypersensitivity was greater in the ipsilateral than in the contralateral paw in all models...
January 14, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28094039/cisplatin-can-be-safely-administered-to-ovarian-cancer-patients-with-hypersensitivity-to-carboplatin
#5
A Bergamini, C Pisano, M Di Napoli, L Arenare, C Della Pepa, R Tambaro, G Facchini, P Gargiulo, S Rossetti, G Mangili, S Pignata, S C Cecere
OBJECTIVE: Hypersensitivity reactions (HSR) are frequently reported in patients rechallenged with carboplatin for recurrent ovarian cancer (ROC) and represent a critical issue, since discontinuation of the platinum-based therapy could affect prognosis. Several strategies to allow platinum rechallenge have been described, with controversial outcomes. The aim of this study is to illustrate a 10-year experience with cisplatin in patients with a previous HSR to carboplatin or at risk for allergy...
January 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28079179/transcriptome-and-network-analyses-in-saccharomyces-cerevisiae-reveal-that-amphotericin-b-and-lactoferrin-synergy-disrupt-metal-homeostasis-and-stress-response
#6
Chi Nam Ignatius Pang, Yu-Wen Lai, Leona T Campbell, Sharon C-A Chen, Dee A Carter, Marc R Wilkins
Invasive fungal infections are difficult to treat. The few available antifungal drugs have problems with toxicity or efficacy, and resistance is increasing. To overcome these challenges, existing therapies may be enhanced by synergistic combination with another agent. Previously, we found amphotericin B (AMB) and the iron chelator, lactoferrin (LF), were synergistic against a range of different fungal pathogens. This study investigates the mechanism of AMB-LF synergy, using RNA-seq and network analyses. AMB treatment resulted in increased expression of genes involved in iron homeostasis and ATP synthesis...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28077339/st20-a-new-venomous-animal-derived-natural-peptide-with-immunosuppressive-and-anti-inflammatory-activities
#7
Min Xiao, Li Ding, Weishan Yang, Lin Chai, Yuwen Sun, Xianyi Yang, Dandan Li, Hua Zhang, Wenxin Li, Zhijian Cao, Yingliang Wu, Jian Li, Shan Li, Zongyun Chen
Peptide toxins from venomous animals are natural resources with diverse biological functions and therapeutic potential towards human diseases. For venomous scorpions, many valuable peptide toxins have been discovered from Buthidae scorpions, but few works were done about non-buthidae scorpions. Here, we cloned and characterized the first disulfide-bridged toxin peptide St20 from the non-buthidae scorpion Scorpiops tibetanus. St20 has a putative 23-residue signal peptide, followed by a presumed 34-residue mature peptide including 8 cysteines...
January 8, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28070715/an-integrated-assessment-of-the-effects-of-immunogenicity-on-the-pharmacokinetics-safety-and-efficacy-of-elotuzumab
#8
Chaitali Passey, Johanna Mora, Robert Dodge, Leonid Gibiansky, Jennifer Sheng, Amit Roy, Akintunde Bello, Manish Gupta
Elotuzumab is a humanized, immunostimulatory anti-signaling lymphocytic activation molecule F7 (SLAMF7) IgG1 monoclonal antibody indicated in combination with lenalidomide and dexamethasone for patients with multiple myeloma (MM) who have received 1-3 prior therapies. We assessed the immunogenicity of elotuzumab as a monotherapy and in combination with bortezomib/dexamethasone and lenalidomide/dexamethasone in patients with MM in five clinical studies, including the pivotal ELOQUENT-2 trial (NCT01239797). Anti-drug antibody (ADA) prevalence was determined using a validated bridging assay...
January 9, 2017: AAPS Journal
https://www.readbyqxmd.com/read/28063958/prevention-of-chronic-post-thoracotomy-pain-in-rats-by-intrathecal-resolvin-d1-and-d2-effectiveness-of-perioperative-and-delayed-drug-delivery
#9
Jeffery Chi-Fei Wang, Gary R Strichartz
: Thoracotomy results in a high frequency of chronic post-operative pain. Resolvins are endogenous molecules, synthesized and released by activated immune cells, effective against inflammatory and neuropathic pain. Different resolvins have differential actions on selective neuronal and glial receptors and enzymes. This paper examines the ability of intrathecal Resolvin D1 (RvD1) and Resolvin D2 (RvD2) to reduce chronic post-thoracotomy pain in rats. Thoracotomy, involving intercostal incision and rib retraction, resulted in a decrease in the mechanical force threshold to induce nocifensive behavior, an enlargement of the pain-sensitive area, and an increase in the fraction of rats showing nocifensive behavior, all for at least 5 weeks...
January 4, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28061451/nanoparticle-albumin-bound-paclitaxel-as-neoadjuvant-chemotherapy-of-breast-cancer-a-systematic-review-and-meta-analysis
#10
REVIEW
Yu Zong, Jiayi Wu, Kunwei Shen
BACKGROUND: The value of nanoparticle albumin-bound paclitaxel (nab-paclitaxel) in neoadjuvant systemic therapy for breast cancer remains uncertain. METHODS: Both electronic databases and proceedings of oncologic meetings were included in systematic literature search. Pooled rates of pathological complete response (pCR), odds ratios (ORs) and 95% confidence intervals (CIs) were calculated using fixed-effect or random-effect model to determine the effect of neoadjuvant nab-paclitaxel...
January 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28060134/severe-hyponatremia-in-a-single-center-series-of-84-homogenously-treated-children-with-acute-lymphoblastic-leukemia
#11
Szymon Janczar, Beata Zalewska-Szewczyk, Wojciech Mlynarski
Electrolyte abnormalities are hallmark metabolic disturbances during the treatment of acute lymphoblastic leukemia (ALL). Hyponatremia is an ominous laboratory sign in the setting of neoplasia. We analyzed the incidence, risk factors, associations, specific interventions and outcomes of severe hyponatremia in a single-center series of children with ALL. The incidence of severe hyponatremia, defined as serum sodium levels below 130 mmol/L on at least 2 of 3 consecutive days, was 11.9%. History of hyponatremia episode is associated with neurologic complications (P=0...
January 5, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28057759/potent-nlrp3-inflammasome-activation-by-the-hiv-reverse-transcriptase-inhibitor-abacavir
#12
Atiye Toksoy, Helga Sennefelder, Christian Adam, Sonja Hofmann, Axel Trautmann, Matthias Goebeler, Marc Schmidt
There is experimental and clinical evidence that some exanthematous allergic drug hypersensitivity reactions are mediated by drug-specific T cells. We hypothesized that the capacity of certain drugs to directly stimulate the innate immune system may contribute to generate drug-specific T cells. Here we analyzed whether abacavir, an HIV-1 reverse transcriptase inhibitor often inducing severe delayed-type drug hypersensitivity, can trigger innate immune activation that may contribute to its allergic potential...
January 5, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28054654/aminophylline-suppresses-stress-induced-visceral-hypersensitivity-and-defecation-in-irritable-bowel-syndrome
#13
Teita Asano, Ken-Ichiro Tanaka, Arisa Tada, Hikaru Shimamura, Rikako Tanaka, Hiroki Maruoka, Mitsuko Takenaga, Tohru Mizushima
Pharmacological therapy for irritable bowel syndrome (IBS) has not been established. In order to find candidate drugs for IBS with diarrhea (IBS-D), we screened a compound library of drugs clinically used for their ability to prevent stress-induced defecation and visceral hypersensitivity in rats. We selected the bronchodilator aminophylline from this library. Using a specific inhibitor for each subtype of adenosine receptors (ARs) and phosphodiesterases (PDEs), we found that both A2BARs and PDE4 are probably mediated the inhibitory effect of aminophylline on wrap restraint stress (WRS)-induced defecation...
January 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28054242/anti-nociceptive-and-anti-inflammatory-actions-of-sulforaphane-in-chronic-constriction-injury-induced-neuropathic-pain-mice
#14
Cheng Wang, Congpin Wang
Neuropathic pain is still considered as incurable disease as current therapies are not ideal in terms of efficacy and tolerability. It is imperative to search for novel drugs to obtain better treatments. Sulforaphane (SFN), a derivative of glucoraphanin present in cruciferous vegetables, exhibits therapeutic effects on inflammation-related diseases. Since inflammation plays an important role in regulating chronic pain, in the present study, we investigated anti-nociceptive effects of SFN and its underlying mechanisms in a neuropathic pain mouse model, sciatic nerve chronic constriction injury (CCI)...
January 4, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28052140/a-novel-zn2-cys6-transcription-factor-atrr-plays-a-key-role-in-an-azole-resistance-mechanism-of-aspergillus-fumigatus-by-co-regulating-cyp51a-and-cdr1b-expressions
#15
Daisuke Hagiwara, Daisuke Miura, Kiminori Shimizu, Sanjoy Paul, Ayumi Ohba, Tohru Gonoi, Akira Watanabe, Katsuhiko Kamei, Takahiro Shintani, W Scott Moye-Rowley, Susumu Kawamoto, Katsuya Gomi
Successful treatment of aspergillosis caused by Aspergillus fumigatus is threatened by an increasing incidence of drug resistance. This situation is further complicated by the finding that strains resistant to azoles, the major antifungal drugs for aspergillosis, have been widely disseminated across the globe. To elucidate mechanisms underlying azole resistance, we identified a novel transcription factor that is required for normal azole resistance in Aspergillus fungi including A. fumigatus, Aspergillus oryzae, and Aspergillus nidulans...
January 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28050397/ofloxacin-induced-angioedema-a-rare-adverse-drug-reaction
#16
Gautam Rawal, Sankalp Yadav, Raj Kumar, Umar Rasool Wani
The Adverse Drug Reaction (ADR) to a commonly prescribed anti-microbial can pose a major public health problem. The authors report a rare case of 24-year-old young lady who presented with angioedema of lips after ingestion of Ofloxacin, prescribed to her for treatment of loose motions. Fluoroquinolones are widely prescribed antibiotics for various disease conditions. The history, clinical examination and normal laboratory parameters led to the diagnosis of ofloxacin induced hypersensitivity reaction and the patient was successfully treated with corticosteroids and antihistamines...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28049210/hypersensitivity-reactions-to-nonsteroidal-anti-inflammatory-drugs-among-adults-clinical-features-and-risk-factors-for-diagnosis-confirmation
#17
Eva Rebelo Gomes, Luísa Geraldes, Ângela Gaspar, Daniela Malheiro, Susana Cadinha, Carmo Abreu, Marta Chambel, Eugénia Almeida, Emília Faria
BACKGROUND: Nonsteroidal anti-inflammatory drugs (NSAIDS) are among the most common causes of drug hypersensitivity (HS) reactions. The diagnosis is based on a careful clinical history, and provocation tests are considered the gold standard for diagnosis. Skin tests have some value to study reactions to pyrazolones. Laboratory investigations are mostly used for research purposes. Different phenotypes have been described. OBJECTIVE AND METHODS: Our aim was to describe the most common clinical manifestations of NSAID HS in a large population of adult patients, the drugs involved, the association with previously described risk factors, and the outcome of diagnostic procedures...
2016: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28049204/rapid-drug-desensitization-with-biologics-a-single-center-experience-with-four-biologics
#18
Sevim Bavbek, Reşat Kendirlinan, Pamir Çerçi, Seda Altıner, Şadan Soyyiğit, Zeynep Çelebi Sözener, Ömür Aydın, Reyhan Gümüşburun
BACKGROUND: Rapid drug desensitization (RDD) induces a temporary tolerance to biologics which induce hypersensitivity reactions (HSRs). Data are limited regarding the use of RDD outside the USA. Our purpose was to report our data on RDD to rituximab, infliximab, cetuximab, and trastuzumab. METHODS: The study was conducted as a retrospective chart review of patients with symptoms of HSRs to biologics. HSRs were classified as grades I, II, and III, based on their severity...
2016: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28045341/acute-hypersensitivity-reaction-to-femoral-drug-coated-balloons
#19
Edward Lake, Michael Twigg, Finn Farquharson
We describe a case of an acute hypersensitivity reaction to a paclitaxel-coated balloon used in the peripheral arterial circulation. Clinicians using these products should be aware of this potential risk.
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January 3, 2017: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/28034549/basophil-activation-test-is-a-relevant-biomarker-of-the-outcome-of-rapid-desensitization-in-platinum-compounds-allergy
#20
Pedro Giavina-Bianchi, Violeta Régnier Galvão, Matthieu Picard, Joana Caiado, Mariana C Castells
BACKGROUND: Rapid drug desensitization (RDD) has become a cornerstone in the management of immediate drug hypersensitivity reactions (DHRs) to chemotherapeutic agents. Because of the inherent risk of anaphylaxis during RDD, biomarkers to predict patients at risk of developing such severe reactions are needed. The basophil activation test (BAT) has been used in DHRs as a diagnostic tool. OBJECTIVE: We evaluated basophil CD63 and CD203c expression (BAT) as a biomarker to assess the safety and effectiveness of RDD in platinum compounds-allergic patients...
December 26, 2016: Journal of Allergy and Clinical Immunology in Practice
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