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https://www.readbyqxmd.com/read/29782983/an-in-vivo-biocompatibility-study-of-surgical-meshes-made-from-bacterial-cellulose-modified-with-chitosan
#1
Joanna Piasecka-Zelga, Piotr Zelga, Joanna Szulc, Justyna Wietecha, Danuta Ciechańska
Bacterial cellulose modified with chitosan (MBC) is an innovative biomaterial used in regenerative medicine which may potentially improve treatment outcomes mesh for hernia repair surgery by facilitating better absorption in native tissue with less risk of mesh-related infections. The aim of the present study was to evaluate the biocompatibility of mesh based on MBC, and determine whether immunological reactions occur due to hypersensitivity to the implants. Forty five Imp:WIST rats were randomly assigned to be implanted with one of three mesh types: simple polypropylene mesh (n = 15), mesh modified by bacterial cellulose only (n = 15) and MBC mesh (n = 15) and evaluated after one and three months following intramuscular implantation...
May 18, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29782303/clindamycin-induced-maculopapular-exanthema-with-preferential-involvement-of-striae-distensae-a-koebner-phenomenon
#2
Benigno Monteagudo, Miguel Cabanillas, Pilar Iriarte, Aquilina Ramírez-Santos, Elvira León-Muinos, Daniel González-Vilas, Óscar Suárez-Amor
Clindamycin is a lincomycin-derived antibiotic useful for the treatment of anaerobic and Gram-positive aerobic bacterial infections. Cutaneous adverse reactions are usually maculopapular exanthemas, although hypersensitivity syndrome, acute generalized exanthematous pustulosis, and Stevens-Johnson syndrome have also been reported (1). We report the case of a patient with a maculopapular rash triggered by clindamycin who developed cutaneous lesions on striae distensae (SD). A 47-year-old woman was referred to our clinic for pruritic cutaneous lesions which had started 6 days earlier...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29768259/precise-intradermal-injection-of-nanofat-derived-stromal-cells-combined-with-platelet-rich-fibrin-improves-the-efficacy-of-facial-skin-rejuvenation
#3
Zhi-Jie Liang, Xiang Lu, De-Quan Li, Yi-Dan Liang, Dan-Dan Zhu, Fang-Xiao Wu, Xiao-Lin Yi, Ning He, Yan-Qing Huang, Chao Tang, Hong-Mian Li
BACKGROUND/AIMS: The rejuvenation properties of nanofat grafting have been described in recent years. However, it is not clear whether the clinical efficacy of the procedure is attributable to stem cells or linked to other components of adipose tissue. In this study we isolated nanofat-derived stem cells (NFSCs) to observe their biological characteristics and evaluate the efficacy of precise intradermal injection of nanofat combined with platelet-rich fibrin (PRF) in patients undergoing facial rejuvenation treatment...
May 11, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29742119/prior-subclinical-histoplasmosis-revealed-in-nigeria-using-histoplasmin-skin-testing
#4
Rita O Oladele, Conchita Toriello, Folasade T Ogunsola, Olusola O Ayanlowo, Philip Foden, Adetona S Fayemiwo, Iriagbonse I Osaigbovo, Anthony A Iwuafor, Shuwaram Shettima, Halimat A Ekundayo, Malcolm D Richardson, David W Denning
OBJECTIVES: Disseminated histoplasmosis is an AIDS-defining illness. Histoplasmosis is commonly misdiagnosed as tuberculosis. Nigeria has the second highest number of people living with HIV/AIDS in Africa. The present study was carried out to investigate the prevalence of skin sensitivity amongst Nigerians to histoplasmin. DESIGN: A cross-sectional study was conducted in six centres across five geopolitical zones of Nigeria. METHODS: We recruited both healthy non-HIV and HIV-positive adults with CD4 count ≥ 350 cells/mm3 regardless of their ART status from March to May 2017...
2018: PloS One
https://www.readbyqxmd.com/read/29723940/-intradermal-immunotherapy-with-low-dose-house-dust-mite-allergens-in-patients-with-allergic-rhinitis-a-proof-of-concept-study
#5
Alberto Vieira-Hernández, Arnaldo Capriles-Hulett, Mario Sánchez-Borges, Fabiola Fabiano, Carlos Albarrán-Barrios
BACKGROUND: High-dose aqueous subcutaneous immunotherapy is a validated and effective administration route for house dust mite and pollen allergens. OBJECTIVE: A proof-of-concept study using intradermal immunotherapy (IDIT) with low-dose house dust mite allergens (Dermatophagoides pteronyssinnus/Dermatophagoides farinae [Dp/Df] and Blomia tropicalis [Bt]) was carried out in children with allergic rhinitis symptomatic upon exposure to house dust. METHODS: Eight immunotherapy-naïve patients with positive prick skin tests and specific serum IgE to a Dp/Df mixture and to Bt were weekly administered 0...
January 2018: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
https://www.readbyqxmd.com/read/29716541/onchocerca-infected-cattle-produce-strong-antibody-responses-to-excretory-secretory-proteins-released-from-adult-male-onchocerca-ochengi-worms
#6
Djafsia Boursou, Dieudonné Ndjonka, Albert Eisenbarth, Kingsley Manchang, Archille Paguem, Nancy Ngwafu Ngwasiri, Jacqueline Dikti Vildina, Babette Abanda, Ralf Krumkamp, Silke van Hoorn, Alfons Renz, Mbunkah Daniel Achukwi, Eva Liebau, Norbert W Brattig
BACKGROUND: The front line molecules from filarial worms and other nematodes or helminthes are their Excretory-Secretory (ES) products. Their interaction with the host cells, proteins and immune system accounts for the skin and eye pathology or hyposensitivity observed in human onchocerciasis. ES products and adult worms' crude extracts from Onchocerca ochengi, a filarial nematode that infects the African zebu cattle, were utilized in the present study as a model for studying Onchocerca volvulus that causes river blindness in man...
May 2, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29695324/detection-of-mycobacterium-bovis-infection-in-african-buffaloes-syncerus-caffer-using-quantiferon-%C3%A2-tb-gold-qft-tubes-and-the-qiagen-cattletype-%C3%A2-ifn-gamma-elisa
#7
Netanya Bernitz, Charlene Clarke, Eduard O Roos, Wynand J Goosen, David Cooper, Paul D van Helden, Sven D C Parsons, Michele A Miller
African buffaloes (Syncerus caffer) are wildlife maintenance hosts of Mycobacterium bovis, the cause of bovine tuberculosis. Consequently, M. bovis infected buffaloes pose a transmission risk for cattle and other wildlife species. Previously, a modification to the Qiagen QuantiFERON® -TB Gold (QFT) system, using QFT tubes and an in-house bovine interferon-gamma (IFN-γ) ELISA, was evaluated for the detection of M. bovis infection in buffaloes. Subsequently, Qiagen has developed a commercially available cattletype® IFN-gamma ELISA for the detection of antigen-specific IFN-γ release in ruminants...
February 2018: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/29695323/evaluation-of-mycobacteria-specific-gamma-interferon-and-antibody-responses-before-and-after-a-single-intradermal-skin-test-in-cattle-naturally-exposed-to-m-avium-subsp-paratuberculosis-and-experimentally-infected-with-m-bovis
#8
Virginie Roupie, Elena Alonso-Velasco, Sarah Van Der Heyden, Sébastien Holbert, Lucille Duytschaever, Patricia Berthon, Iris Van Dosselaer, Willem Van Campe, Laurent Mostin, Franck Biet, Stefan Roels, Kris Huygen, David Fretin
This study reports on the diagnostic potential of IFN-γ release assays and serology for Mycobacterium bovis in six naturally M. avium subsp. paratuberculosis (Map) exposed bulls of which four were intratracheally infected with a Belgian field strain of M. bovis. Heparinized blood, serum and fecal samples were collected at regular time intervals for mycobacteria-specific IFN-γ release assays, antibody analysis and for Map culture respectively. Single intradermal skin test (SIT) with bovine tuberculin (PPD-B) was performed on day 115 and animals were sacrificed on day 133 after M...
February 2018: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/29686992/the-history-of-in-vivo-tuberculin-testing-in-bovines-tuberculosis-a-one-health-issue
#9
REVIEW
Margaret Good, Douwe Bakker, Anthony Duignan, Daniel M Collins
Tuberculosis (TB) is more than 3 million years old thriving in multiple species. Ancestral Mycobacterium tuberculosis gave rise to multiple strains including Mycobacterium bovis now distributed worldwide with zoonotic transmission happening in both directions between animals and humans. M. bovis in milk caused problems with a significant number of deaths in children under 5 years of age due largely to extrapulmonary TB. This risk was effectively mitigated with widespread milk pasteurization during the twentieth century, and fewer young children were lost to TB...
2018: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/29684989/intradermal-skin-tests-for-rocuronium-and-cisatracurium-in-patients-with-a-history-of-allergy-a-retrospective-study
#10
Yu Yil Kim, Ik Thae Kim, Sung In Shin, So Mang Yim
Background: Neuromuscular blocking agents (NMBAs) are a leading cause of perioperative anaphylaxis. However, the performance of systematic screening skin tests to detect reactions for NMBAs prior to general anesthesia is not recommended. We retrospectively examined intradermal tests (IDTs) for rocuronium and cisatracurium in patients with a history of allergy. Methods: We reviewed the records of patients who underwent IDTs for NMBAs between January 1 and December 31, 2016...
April 24, 2018: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/29678229/the-use-of-serological-tests-in-combination-with-the-intradermal-tuberculin-test-maximizes-the-detection-of-tuberculosis-infected-goats
#11
Javier Bezos, Álvaro Roy, José Antonio Infantes-Lorenzo, Isabel González, Ángel Venteo, Beatriz Romero, Anna Grau, Olga Mínguez, Lucas Domínguez, Lucía de Juan
The diagnosis of tuberculosis (TB) in goats is based mainly on the single and comparative intradermal tuberculin (SIT and CIT) tests and, exceptionally, on the interferon-gamma (IFN-γ) assay, however they are not perfect in terms of sensitivity and specificity. Nevertheless, various serological assays that provide a potential cost-effective approach for the control of TB are also available or under development, and a variety of results have been reported regarding the ability of these tests to detect infected animals, particularly in the early stages of infection...
May 2018: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/29658958/treatment-with-src-inhibitor-dasatinib-results-in-elevated-metastatic-potential-in-the-4t1-murine-mammary-carcinoma-model
#12
Veronica S Hughes, Dietmar W Siemann
Introduction: The src inhibitor Dasatinib has been widely studied as an anti-metastatic agent. The aims of this study were to examine the effect of Src inhibition on the metastatic potential of the 4T1 murine mammary carcinoma. Context: Src is a non-receptor tyrosine kinase well-known to contribute to the metastatic potential of tumour cells. It does so through alteration of signalling pathways important to metastasis. Elevated levels of Src are common in many cancer types, and have been correlated with tumour progression and poor patient prognosis...
2018: Tumor & microenvironment
https://www.readbyqxmd.com/read/29655774/twenty-years-experience-with-anaphylaxis-like-reactions-to-local-anesthetics-genuine-allergy-is-rare
#13
Axel Trautmann, Matthias Goebeler, Johanna Stoevesandt
BACKGROUND: Anaphylaxis-like reactions occur within minutes after application of local anesthetics (LA), most commonly during dental interventions. Impressive symptoms including respiratory distress or loss of consciousness frequently give rise to a suspicion of allergy and may prompt patients and treating physicians to refuse future LA injections. OBJECTIVE: Non-allergic mechanisms are responsible for the majority of LA-induced immediate-type reactions. In view of the preponderance of non-allergic reactions, the question arises whether genuine LA allergy may be missed during routine testing procedures...
April 12, 2018: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/29582340/prevalence-of-bovine-and-avian-tuberculosis-in-camel-herds-and-associated-public-health-risk-factors-in-isiolo-county-kenya
#14
Peter O Lamuka, Francis M Njeruh, George C Gitao, Joseph Matofari, Richard Bowen, Khalif A Abey
A cross-sectional study was conducted among 308 lactating camels selected from 15 herds from three different camel milk clusters in Isiolo County, Kenya, to determine prevalence of bovine and avian tuberculosis using Single Comparative Intradermal Tuberculin Skin test. Seventy-five (75) questionnaires were administered to pastoralists/herders, and focus group discussions were conducted among 3-5 pastoralists/herders selected from each camel herd to collect information on camel husbandry and health management practices and knowledge on tuberculosis in livestock and wildlife...
March 26, 2018: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29556502/molecular-characterization-of-mycobacterium-avium-subsp-hominissuis-of-two-groups-of-lymph-nodes-being-intradermal-tuberculin-or-interferon-gamma-test-positive-and-negative-isolated-from-swiss-cattle-at-slaughter
#15
Simone Scherrer, Patricia Landolt, Natasha Carroli, Roger Stephan
Mycobacterium avium subsp. hominissuis (MAH) is an important zoonotic pathogen with raising global health concerns. In humans, MAH is one of the most widespread non-tuberculous mycobacterial species responsible for lung disease. In animals, MAH is frequently isolated from pigs; however, it is also an opportunistic pathogen for other mammals including cattle. To elucidate the genetic diversity of MAH in cattle, a molecular characterization of isolates ( n  = 26) derived from lymph nodes was performed. Fourteen isolates originated from slaughtered cattle with visible altered lymph nodes at meat inspection, whereas 12 isolates were from lymph nodes without any gross pathological changes of healthy slaughtered cattle...
2018: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/29553115/-a-case-of-a-child-diagnosed-as-hypersensitivity-reactions-to-nonsteroidal-anti-inflammatory-drugs-after-onset-of-oral-mite-anaphylaxis
#16
Machiko Usui, Masayuki Akashi
Oral mite anaphylaxis (OMA) caused by mite-containing food that was initially reported in 1993 has become commonly known after accumulating the case reports. Although it has been pointed out as being related to aspirin intolerance overseas, there are only a few cases reported in Japan so far, particularly no case for children. We report a child case which is seemingly related to OMA and aspirin intolerance. The case is for a boy at the age of 10. After eating Takoyaki with the ingredient of mite-containing flour, he was diagnosed as OMA due to the occurrence of anaphylaxis with respiratory discomfort, abdominal pain, and vomiting...
2018: Arerugī, [Allergy]
https://www.readbyqxmd.com/read/29543810/identification-of-plasma-biomarkers-for-discrimination-between-tuberculosis-infection-disease-and-pulmonary-non-tuberculosis-disease
#17
Marco Pio La Manna, Valentina Orlando, Paolo Li Donni, Guido Sireci, Paola Di Carlo, Antonio Cascio, Francesco Dieli, Nadia Caccamo
We used the Luminex Bead Array Multiplex Immunoassay to measure cytokines, chemokines and growth factors responses to the same antigens used for RD1-based Interferon γ Release Assay (IGRA) test. Seventy-nine individuals, 27 active TB, 32 latent infection subsets, 20 individuals derivative purified protein (PPD) negative (subjects that do not have any indurative cutaneous reaction after 72 hrs of intradermal injection of PPD) and with other pulmonary disease were retrospectively studied. Forty-eight analytes were evaluated by Luminex Assay in plasma obtained from whole blood stimulated cells...
2018: PloS One
https://www.readbyqxmd.com/read/29536019/successful-application-of-the-gamma-interferon-assay-in-a-bovine-tuberculosis-eradication-program-the-french-bullfighting-herd-experience
#18
Nicolas Keck, Maria-Laura Boschiroli, Florence Smyej, Valérie Vogler, Jean-Louis Moyen, Stéphanie Desvaux
In the French Camargue region, where bovine tuberculosis had been enzootic for several years in bullfighting cattle herds, the gamma-interferon (IFN) assay was used since 2003 in parallel with the intradermal test in order to increase overall disease detection sensitivity in infected herds. This study presents the results of a field-evaluation of the assay during a 10-year period (2004-2014) of disease control and surveillance program and explores the particular pattern of IFN assay results in bullfight herds in comparison to cattle from other regions of France...
2018: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/29524991/unproven-diagnostic-tests-for-adverse-reactions-to-foods
#19
John M Kelso
Patients often seek opinions from allergists regarding unconventional testing for adverse reactions to foods. These tests include flow cytometry to measure the change in white blood cell volumes after incubation with foods, measurement of serum IgG or IgG4 antibodies directed against foods, intradermal provocation-neutralization with food allergens, hair analysis, electrodermal testing, and applied kinesiology. In some cases, although the laboratory methods may be valid, there are no studies showing correlation with disease...
March 2018: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/29517808/incidence-of-cephalosporin-induced-anaphylaxis-and-clinical-efficacy-of-screening-intradermal-tests-with-cephalosporins-a-large-multicenter-retrospective-cohort-study
#20
Min-Suk Yang, Dong-Yoon Kang, Bomi Seo, Hye Jung Park, So-Young Park, Mi-Yeong Kim, Kyung Hee Park, So-My Koo, Young-Hee Nam, Sujeong Kim, Jae-Woo Jung, Tae-Bum Kim, Gwang Cheon Jang, Hyeon-Jong Yang, Young-Min Ahn, Jung-Won Park, Hye-Ryun Kang
BACKGROUND: Few studies have investigated the incidence of anaphylaxis induced by individual or structurally similar cephalosporins. The aims of the study were to assess the incidence of cephalosporin-induced anaphylaxis and evaluate the clinical efficacy of screening skin tests. METHODS: In this retrospective cohort study, we obtained information on total cephalosporin use and cephalosporin-induced anaphylaxis in intravenous cephalosporin recipients in 12 general hospitals between 2013 and 2015...
March 8, 2018: Allergy
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