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https://www.readbyqxmd.com/read/28646389/photodynamic-therapy-controls-of-staphylococcus-aureus-intradermal-infection-in-mice
#1
Palloma Porto Almeida, Ítalo Sousa Pereira, Karine Bitencourt Rodrigues, Lorena Santos Leal, Andressa Souza Marques, Luciano Pereira Rosa, Francine Cristina da Silva, Robson Amaro Augusto da Silva
Infections caused by Staphylococcus aureus lead to skin infections, as well as soft tissues and bone infections. Given the communal resistance to antibiotics developed by strains of this bacterium, photodynamic therapy emerges as a promising alternative treatment to control and cure infections. Females of the Balb/C mice were infected with 10(8) CFU of methicillin-resistant S. aureus (MRSA) and divided into four distinct groups: P-L- (negative control group), P+L- (group exposed only to curcumin), P-L+ (group exposed only to LED incidence of 450 nm, 75 mW/cm(2), and 54 J/cm(2) for 10 min), and P+L+ (group exposed to curcumin followed by 10 min of LED irradiation) (n = 24)...
June 23, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28646277/standardization-and-prevalence-of-the-booster-phenomenon-evaluation-using-a-two-step-skin-test-with-43%C3%A2-kda-glycoprotein-in-individuals-from-an-endemic-region-of-paracoccidioidomycosis
#2
Ana Paula C Marques, Sandra Maria V L Oliveira, Grazielli R Rezende, Dayane A Melo, Sonia M Fernandes-Fitts, Elenir Rose J C Pontes, Maria da Glória Bonecini-Almeida, Zoilo P Camargo, Rinaldo P Mendes, Anamaria M M Paniago
BACKGROUND: We estimated the occurrence rate of the booster phenomenon by using an intradermal test with 43 kDa glycoprotein in an endemic area of paracoccidioidomycosis in the central-west region of Brazil. METHODS: Individuals who had a negative result on a survey performed by using an intradermal test with 43 kDa glycoprotein in an endemic area of paracoccidioidomycosis underwent a second intradermal test after 10-15 days to determine the presence or absence of the booster phenomenon...
June 23, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28639343/first-case-of-anaphylaxis-after-botulinum-toxin-type-a-injection
#3
I J Moon, S E Chang, S D Kim
Botulinum toxin type A (BTA) (also known as onabotulinum toxin A) injection is widely used in the field of cosmetic dermatology. Although a few adverse events related to intramuscular BTA injection have been reported, no life-threatening adverse reaction has been documented to date. We report a case of anaphylaxis induced by intramuscular BTA injection into the masseter muscles of a 35-year-old woman. She had previously received injections of the identical BTA product into the same muscles without incident...
June 21, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28635557/cellular-immune-responses-of-older-adults-to-four-influenza-vaccines-results-of-a-randomized-controlled-comparison
#4
Arun Kumar, Janet E McElhaney, Lisa Walrond, Terry D Cyr, Shahzma Merani, Tobias R Kollmann, Scott A Halperin, David W Scheifele
Cellular immunity is important for protection against the serious complications of influenza in older adults. As it is unclear if newer influenza vaccines elicit greater cellular responses than standard vaccines, we compared responses to two standard and two newer licensed trivalent inactivated vaccines (TIVs) in a randomized trial in older adults. Non-frail adults ≥65 years old were randomly assigned to receive standard subunit, MF59-adjuvanted subunit, standard split-virus or intradermal split-virus TIV...
June 21, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28621440/t-lymphocytes-dominate-local-leukocyte-infiltration-in-response-to-intradermal-injection-of-functionalized-graphene-based-nanomaterial
#5
G F Erf, D M Falcon, K S Sullivan, S E Bourdo
Graphene-based nanomaterials (GBN) have many potential biomedical applications. However, information regarding their biological properties and interactions with cells and/or soluble factors within a complex tissue is limited. The objective of this study was to use the growing feather (GF) of chickens as a minimally invasive cutaneous test-site to assess and monitor leukocyte recruitment in response to intradermal GBN injection. Specifically, the dermis of 20 GFs per chicken was injected with 10 μl of phosphate-buffered saline (PBS)-vehicle or 10 μl of 300 μg ml(-1) oxygen-functionalized (f) GBN (6 chickens/treatment)...
June 16, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28620382/phase-ii-study-of-adjuvant-immunotherapy-with-the-csf-470-vaccine-plus-bacillus-calmette-guerin-plus-recombinant-human-granulocyte-macrophage-colony-stimulating-factor-vs-medium-dose-interferon-alpha-2b-in-stages-iib-iic-and-iii-cutaneous-melanoma-patients
#6
José Mordoh, María Betina Pampena, Mariana Aris, Paula Alejandra Blanco, Mónica Lombardo, Erika María von Euw, Soledad Mac Keon, Michelle Yépez Crow, Alicia Inés Bravo, Juan Manuel O'Connor, Ana Gabriela Orlando, Franco Ramello, Estrella Mariel Levy, María Marcela Barrio
The irradiated, allogeneic, cellular CSF-470 vaccine plus Bacillus Calmette-Guerin (BCG) and recombinant human granulocyte macrophage-colony stimulating factor (rhGM-CSF) is being tested against medium-dose IFN-α2b in stages IIB-III cutaneous melanoma (CM) patients (pts) after surgery in an open, randomized, Phase II/III study. We present the results of the Phase II part of the ongoing CASVAC-0401 study (ClinicalTrials.gov: NCT01729663). Thirty-one pts were randomized to the CSF-470 vaccine (n = 20) or to the IFN-α2b arm (n = 11)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28610781/pilot-studies-of-a-human-bcg-challenge-model
#7
Azra Blazevic, Mei Xia, Aldin Turan, Janice Tennant, Daniel F Hoft
Despite the great effort to develop an effective vaccine against tuberculosis (TB) there is currently no reliable and safe human challenge model that can be used for in vivo evaluation of new TB vaccine candidates and/or elucidation of the mechanisms of TB protective immunity. In this study, five volunteers were challenged with BCG intradermally (ID). Swab specimens were collected at multiple time points from the vaccination site pre- and post-vaccination to quantitate mycobacterial shedding as a surrogate of in vivo mycobacterial immunity...
July 2017: Tuberculosis
https://www.readbyqxmd.com/read/28584758/atypical-lichen-myxedematosus-a-case-with-remarkable-response-to-low-dose-melphalan
#8
Mini Gomathy, Beena Sunny, Krishna Anitha, Sukumarakurup Sreekanth, Kunnaruvath Rajeevan, Soni C Das
A 41-year-old man was referred to our outpatient department with a diagnosis of urticaria with angioedema of 3 months duration. On examination, he had generalized coalescent waxy papules and diffuse periorbital swelling. Systemic examination was unremarkable except for limited finger flexion. Serum electrophoresis and thyroid function tests were normal. Histopathological examination showed normal epidermis and intradermal mucin deposition, which was diagnostic of lichen myxedematosus (LM). The patient showed prompt response to melphalan...
May 2017: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/28583228/diagnosing-environmental-allergies-comparison-of-skin-prick-intradermal-and-serum-specific-immunoglobulin-e-testing
#9
Denisa Ferastraoaru, Maria Shtessel, Elizabeth Lobell, Golda Hudes, David Rosenstreich, Gabriele de Vos
BACKGROUND: Allergists commonly perform intradermal skin testing (IDST) after negative skin-prick testing (SPT) to comprehensively diagnose environmental allergic sensitization. However, with the availability of modern methods to detect serum-specific immunoglobulin E (ssIgE), it is unclear if ssIgE testing could substitute for IDST. OBJECTIVE: To determine the efficacy of ssIgE testing and IDST when added to SPT in diagnosing environmental allergic sensitizations...
June 1, 2017: Allergy & Rhinology
https://www.readbyqxmd.com/read/28560743/occurrence-of-bap1-germline-mutations-in-cutaneous-melanocytic-tumors-with-loss-of-bap1-expression-a-pilot-study
#10
Odile Cabaret, Emilie Perron, Brigitte Bressac-de Paillerets, Nadem Soufir, Arnaud de la Fouchardière
Melanocytic BAP1-associated intradermal tumors (MBAITs) can either be sporadic or associated with a cancer-predisposition syndrome. In this study we explored the clinical status of 136 patients in which at least one MBAIT was found. 49/136 (36%) of them gave their signed consent for an oncogenetic BAP1 blood test. 28/136 patients (20%) diagnosed with an MBAIT had other MBAITs and/or a personal or familial history of BAP1-related cancers that could clinically designate them as potential carriers of a BAP1 germline mutation...
May 30, 2017: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/28553557/factors-affecting-herd-status-for-bovine-tuberculosis-in-dairy-cattle-in-northern-thailand
#11
Tawatchai Singhla, Sukolrat Boonyayatra, Veerasak Punyapornwithaya, Kimberly L VanderWaal, Julio Alvarez, Srinand Sreevatsan, Somphorn Phornwisetsirikun, Jamnong Sankwan, Mongkol Srijun, Scott J Wells
The objective of this case-control study was to identify farm-level risk factors associated with bovine tuberculosis (bTB) in dairy cows in northern Thailand. Spatial analysis was performed to identify geographical clustering of case-farms located in Chiang Mai and Chiang Rai provinces in northern Thailand. To identify management factors affecting bTB status, a matched case-control study was conducted with 20 case-farms and 38 control-farms. Case-farms were dairy farms with at least single intradermal tuberculin test- (SIT-) reactor(s) in the farms during 2011 to 2015...
2017: Veterinary Medicine International
https://www.readbyqxmd.com/read/28552275/delayed-type-of-allergic-skin-reaction-to-candida-albicans-in-eosinophilic-rhinosinusitis-cases
#12
Nozomu Wakayama, Shoji Matsune, Kimihiro Okubo
OBJECTIVE: Eosinophilic chronic rhinosinusitis (ECRS) is frequently complicated by asthma, and recognized as refractory and persistent rhinosinusitis. However, the detailed pathophysiology of ECRS has not been elucidated yet. In this study, we investigated the association between recurrent ECRS and intradermal testing to multi-antigens including Candida albicans. METHODS: The subjects were 49 cases of bilateral chronic rhinosinusitis including 24 ECRS cases. They underwent endoscopic sinus surgery and submitted to pathological examination...
May 25, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28532992/assessment-of-concurrent-infection-with-bovine-viral-diarrhoea-virus-bvdv-and-mycobacterium-bovis-a-herd-level-risk-factor-analysis-from-northern-ireland
#13
A W Byrne, M Guelbenzu-Gonzalo, S A J Strain, S McBride, J Graham, A Lahuerta-Marin, R Harwood, D A Graham, S McDowell
Bovine viral diarrhoea virus (BVDV) is a significant pathogen of cattle, leading to severe economic and animal-welfare impacts. Furthermore, the pathogen has been associated with impacting the progression or spread of other pathogens (e.g. Mycobacterium bovis, the causative agent of bovine tuberculosis (bTB)). During this study we investigated (i) risk factors for BVDV at a herd-level and (ii) whether there was any association between BVDV and herd-level bTB risk. The data for this study were gathered from a voluntary BVDV control programme in Northern Ireland (2013-2015) based on the identification of virus positive animals through tissue tag testing of calves...
June 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28528602/the-pathergy-test-as-a-diagnostic-tool
#14
Zekayi Kutlubay, Yalçın Tüzün, Ronni Wolf
The pathergy test produces a nonspecific hyperreactive lesion in Behçet's disease (BD), a finding that has been known since 1937. Pathergy refers to the development of new skin lesions or the aggravation of existing ones after trivial trauma. In clinical practice, the pathergy test induces a skin response by needleprick, with positive reactions manifesting as a papule or pustule developing by 48 hours. The pathergy test is one of the major features and diagnostic criteria of the disease. It is very similar to the erythematous papules or pustules that appear spontaneously in patients with BD...
2017: Skinmed
https://www.readbyqxmd.com/read/28522768/a-model-for-in-vivo-analysis-of-sudomotor-sympathetic-c-fiber-activation-and-human-sweat-gland-output
#15
Gary W Mack
Quantitative assessment of small fiber peripheral neuropathy often involves an evaluation of the interaction between the C-fiber sudomotor nerve and local sweat rate (SR). Typically, some sort of quantitative sudomotor axon reflex test (QSART) is performed to aid in diagnosing small fiber dysfunction. The currently used QSART demonstrates only moderate test-retest reliability and therefore limits its usefulness in tracking small fiber dysfunction. A new experimental model to examine small C-fiber function in the skin using intradermal electrical stimulation and simultaneous monitoring of SR is proposed...
May 18, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28521256/antibody-detection-tests-improve-the-sensitivity-of-tuberculosis-diagnosis-in-cattle
#16
C Casal, J A Infantes, M A Risalde, A Díez-Guerrier, M Domínguez, I Moreno, B Romero, L de Juan, J L Sáez, R Juste, C Gortázar, L Domínguez, J Bezos
We evaluated the sensitivity (Se) of the single cervical intradermal tuberculin (SIT) test, two interferon-gamma (IFN-γ) assays and three different antibody detection techniques for bovine tuberculosis (bTB) diagnosis in 131 mixed beef breed cattle. The results of the diagnostic techniques performed over the whole herd, and over the animals confirmed as infected based on the presence of lesions compatible with the disease and/or M. bovis isolation were compared to determine apparent prevalence (AP) and Se...
May 11, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28514874/oncolytic-recombinant-vesicular-stomatitis-virus-vsv-is-nonpathogenic-and-nontransmissible-in-pigs-a-natural-host-of-vsv
#17
Lauro Velazquez-Salinas, Shruthi Naik, Steven J Pauszek, Kah-Whye Peng, Stephen J Russell, Luis L Rodriguez
Vesicular stomatitis virus (VSV) is a negative-stranded RNA virus that naturally causes disease in livestock including horses, cattle and pigs. The two main identified VSV serotypes are New Jersey (VSNJV) and Indiana (VSIV). VSV is a rapidly replicating, potently immunogenic virus that has been engineered to develop novel oncolytic therapies for cancer treatment. Swine are a natural host for VSV and provide a relevant and well-established model, amenable to biological sampling to monitor virus shedding and neutralizing antibodies...
June 2017: Human Gene Therapy. Clinical Development
https://www.readbyqxmd.com/read/28507514/markovian-analysis-of-the-sequential-behavior-of-the-spontaneous-spinal-cord-dorsum-potentials-induced-by-acute-nociceptive-stimulation-in-the-anesthetized-cat
#18
Mario Martin, Javier Béjar, Gennaro Esposito, Diógenes Chávez, Enrique Contreras-Hernández, Silvio Glusman, Ulises Cortés, Pablo Rudomín
In a previous study we developed a Machine Learning procedure for the automatic identification and classification of spontaneous cord dorsum potentials (CDPs). This study further supported the proposal that in the anesthetized cat, the spontaneous CDPs recorded from different lumbar spinal segments are generated by a distributed network of dorsal horn neurons with structured (non-random) patterns of functional connectivity and that these configurations can be changed to other non-random and stable configurations after the noceptive stimulation produced by the intradermic injection of capsaicin in the anesthetized cat...
2017: Frontiers in Computational Neuroscience
https://www.readbyqxmd.com/read/28503777/determination-of-threshold-concentrations-of-plant-pollens-in-intradermal-testing-using-fluorescein-in-clinically-healthy-nonallergic-cats
#19
Fiona M Scholz, Amanda K Burrows, Craig E Griffin, Russell Muse
BACKGROUND: Currently the same allergen concentrations for canine intradermal testing (IDT) are recommended for feline IDT. Feline skin reactions are subtle and more difficult to read than canine reactions. This difference may be due to suboptimal allergen concentrations used for IDT in cats. HYPOTHESIS/OBJECTIVES: To determine the irritant threshold concentration (ITC) of 16 pollen allergens using serial dilutions of allergen and intravenous fluorescein. The hypothesis tested was that feline IDT currently is performed at suboptimal allergen concentrations for pollens...
May 14, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28501827/a-confirmed-case-of-sugammadex-induced-anaphylaxis-in-a-uk-hospital
#20
Robert O'Donnell, Jack Hammond, Sam Soltanifar
We report the first published case of confirmed anaphylaxis to sugammadex in a UK hospital. The patient was given a bolus of sugammadex at the end of surgery. Four minutes later, he developed hypotension and a widespread erythematous rash. Multiple epinephrine boluses were administered and a continuous intravenous infusion of epinephrine commenced. The patient later reported auditory awareness, which occurred while the diagnosis of anaphylaxis was being made and initial treatment initiated. Serial serum tryptase levels were consistent with a type I hypersensitivity reaction...
May 13, 2017: BMJ Case Reports
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