david stevens archaeologist
david stevens archaeologist
On the other hand, desired effects of DEX could be maintained in other compartments. Gender. McCullough, M. J., Jorge, J. J., Lejbkowicz, F., Lefler, E., Nassar, F., Clemons, K. V., Stevens, D. A. Vaccinate against aspergillosis! View details for DOI 10.1016/j.vaccine.2010.12.119, View details for Web of Science ID 000288058500004. No mice died after infection with 10(6) CFU of Y55 or YJM128. . By continuing you agree to the use of cookies, University of East Anglia data protection policy. Marked CFU reduction by AmBisome at 3 mg/kg occurred in association with relatively more intense inflammation. For comparative purposes, lipopolysaccharide (LPS, 1 microg/ml) was used to stimulate BAM in experiments similar to the above. The markers were then used to simultaneously map a multidrug-resistance locus and four other loci with high resolution (11 to 64 kilobases). [2], Originally training as a chemist, Stevens subsequently trained at the Middlesex Hospital, London, qualifying as a surgeon. [4] Isherwood examines Stevens' work at St Mary Bourne, which at the time was a poor rural parish, at a time where Victorian public health reformers and legislation were being continuously improved. This was made available for 6 months to allow public comment, and then the manuscript was prepared and approved.The revised definitions retain the original classifications of "proven," "probable," and "possible" invasive fungal disease, but the definition of "probable" has been expanded, whereas the scope of the category "possible" has been diminished. videos, View details for DOI 10.1111/j.1574-695X.2010.00664.x, View details for Web of Science ID 000277321600009. Multiple Modes of Monumentality: Case Studies from the American South. This document focuses on three primary areas of concern: the endemic mycoses, including histoplasmosis, sporotrichosis, blastomycosis, and coccidioidomycosis; fungal infections of special concern for immune-compromised and critically ill patients, including cryptococcosis, aspergillosis, candidiasis, and Pneumocystis pneumonia; and rare and emerging fungal infections. Staff should be educated on the proper terminology and procedures to prevent a blurring of the categories and roles of these animals. BS contained MBL-C, which bound B. dermatitidis, as shown by IFA assay. View details for Web of Science ID A1997XE59100036, View details for PubMedCentralID PMC229850, The field of antifungal chemotherapy is presently rapidly moving. Epidemiological studies of Candida parapsilosis have been performed by molecular methods. van Asbeck, E., Clemons, K. V., Martinez, M., Tong, A., Stevens, D. A. In general, amphotericin B plus 5-fluorocytosine, amphotericin B plus rifampin, and amphotericin B plus itraconazole showed indifferent results, whereas amphotericin B plus micafungin showed positive interactions. GM-CSF enhanced both mono and MDM with VCZ at 0.01 and 0.05 microg ml(-1) in killing Cn to 62% and 86%, and 61% and 84%, respectively. 0 people commented on this. > present (Honorary Fellow of the British Science Association and the Royal Society of Biology) and [????] I became interested in coupled ocean-atmosphere processes and modelling through involvement with theNERC COAPECprogram. Infection with Trichosporon beigelii is an uncommon cause of endocarditis. View details for Web of Science ID 000072565800035. Murine peritoneal macrophages, after adherence and establishment in culture in vitro in the presence of medium containing fetal bovine serum (FBS) for 20 h, then cultured for 20 h, produced several cytokines. Macrophages were unstimulated or stimulated with A. fumigatus conidia and simultaneously treated with DEX, GM-CSF or DEX + GM-CSF for 2 4 hours. Further investigations of the host-pathogen interactions are needed. [2] Prior to his death, Stevens had also been a local member of council for Berkshire and Hampshire, Honorary Curator of both Reading Museum and Andover Museum, and an established author. Clemons, K. V., Stover, E. P., Schar, G., STATHIS, P. A., Chan, K., Tokes, L., Stevens, D. A., Feldman, D. DERMATOPHYTE-HORMONE RELATIONSHIPS - CHARACTERIZATION OF PROGESTERONE-BINDING SPECIFICITY AND GROWTH-INHIBITION IN THE GENERA TRICHOPHYTON AND MICROSPORUM. 169:859-867, 1994). The order of decreasing resistance was CD-1 > or = CD10 > or = CD10 x CD3F1 > CD10 x B6F1 > CD3 > C57BL/6 and correlated with estrogen responsiveness in endocrine disruptor assays. The laboratory has used molecular fingerprinting systems applied to the genomes of fungal species to develop tools to allow typing and differentiation of clinical isolates and for epidemiological and taxonomic purposes, particularly the epidemiology of Aspergillus and the Candida parapsilosis family. STEROID-METABOLISM AS A MECHANISM OF ESCAPE FROM PROGESTERONE-MEDIATED GROWTH-INHIBITION IN TRICHOPHYTON-MENTAGROPHYTES. No survivors were cured in both kidneys and brain, but each formulation showed efficacy, especially in the kidneys. I am an archeologist (UCL) and award-winning lecturer and researcher and have worked in archeological projects in Arm. Fluconazole is a broad-spectrum triazole. We treated a patient who had acquired aspergillosis some 80 days after allogeneic bone marrow transplantation, with oral itraconazole, 600 mg daily. Little is known about the effect of surfactant-associated proteins in bronchoalveolar lavage fluid (BALF) on the interaction of BAM and Blastomyces dermatitidis. According to our records, Alice Roberts is possibly single. The growth of A. benhamiae + and -, M. canis, and T. rubrum were all inhibited by progesterone in a dose-responsive manner, with 50% inhibition achieved at concentrations of 9.8 x 10(-6), 1.2 x 10(-5), 1.5 x 10(-5), and 2.7 x 10(-6) M. respectively,. Both granulocyte colony-stimulating factor- and granulocyte-macrophage colony-stimulating factor (GM-CSF)-treated polymorphonuclear neutrophils (PMN) had enhanced inhibition of hyphal growth. Experimental Central Nervous System Aspergillosis Therapy: Efficacy, Drug Levels and Localization, Immunohistopathology, and Toxicity. A., Wu, T. D., Shankar, J., Lopes, C. R., Stevens, D. A. Halomonas, a Newly Recognized Human Pathogen Causing Infections and Contamination in a Dialysis Center Three New Species. My daughter is now nearly four, and I also have a nine-month-old son. Sun 24 Mar 2013 13.49 EDT. These results indicate that AmBi in combination with VCZ may be superior for treatment of CNS aspergillosis; combinations of AmBi and MICA or CAS were not antagonistic and may have a slight benefit. [1] Stevens died in St Mary Bourne, Hampshire, at the age of 81. Competition studies for the binder in M. canis resulted in similar findings: DOC and DHT were effective competitors for [3H]progesterone binding. View details for DOI 10.1128/JCM.02151-09, View details for Web of Science ID 000277356600025. Steinbach, W. J., Stevens, D. A., Denning, D. W. Invasive aspergillosis in the setting of cardiac transplantation. These facts, together with recent advances in vaccine science, make consideration of such an approach now possible. The natural history of patients affected is variable. To see if S. cerevisiae isolates form petite colonies in vivo, both mouse models were infected with parental grands of YJM128 and Y55. Regulation of bronchoalveolar macrophage proinflammatory cytokine production by dexamethasone and granulocyte-macrophage colony-stimulating factor after stimulation by Aspergillus conidia or lipopolysaccharide, Resistance mechanisms in clinical isolates of Candida albicans. The effect of GM-CSF on cortisone acetate suppression lasted at least 7 days. See the Elon Musk family tree here at FameChain. View details for DOI 10.1128/AAC.00332-06, View details for Web of Science ID 000244665500028, View details for PubMedCentralID PMC1803148. A larger study is indicated for confirmation of this. Global population structure of Aspergillus terreus inferred by ISSR typing reveals geographical subclustering. Two hundred thirty-three independent C. parapsilosis sensu stricto isolates were genotyped by using these markers. In a screen of drugs previously tested in humans we identified itraconazole, a systemic antifungal, as a potent antagonist of the Hedgehog (Hh) signaling pathway that acts by a mechanism distinct from its inhibitory effect on fungal sterol biosynthesis. Overall, animal models of fungal infection will continue to be valuable tools in addressing questions concerning fungal infections and contribute to our deeper understanding of how these infections occur, progress and can be controlled and eliminated. Do you find it difficult to juggle motherhood with your media career? We studied potential therapeutic options in a murine model of pulmonary aspergillosis in triamcinolone-suppressed DBA/2 mice infected intranasally with conidia from Aspergillus fumigatus. These guidelines are directed to 3 principal entities: invasive aspergillosis, involving several organ systems (particularly pulmonary disease); pulmonary aspergilloma; and allergic bronchopulmonary aspergillosis. You took your baby daughter with you when filming Digging for Britain. Candida albicans is a common microbe, colonizer and potential pathogen found in respiratory cultures of cystic fibrosis (CF) patients. View details for Web of Science ID 000186262900002, View details for Web of Science ID 000186262900001. As part of such collaborations, Dorian Fuller, Zhang Hai (PKU), and Chris have been working on the domestication and spread of millets in China. Nineteen S. cerevisiae isolates obtained from patients suffering from vaginitis and four isolates from commercial products in the same city were analyzed. 45. Fungus burdens in brain were higher than those in other organs, although Aspergillus disseminated to the kidneys and the spleen. Byron, J. K., Clemons, K. V., McCusker, J. H., Davis, R. W., Stevens, D. A. SACCHAROMYCES-CEREVISIAE VIRULENCE PHENOTYPE AS DETERMINED WITH CD-1 MICE IS ASSOCIATED WITH THE ABILITY TO GROW AT 42-DEGREES-C AND FORM PSEUDOHYPHAE. The objective of the present work was the identification of new microsatellite loci able to distinguish among C. parapsilosis isolates. Abelcet renal localization appears to be a precursor to late nephrotoxicity. Bronchial artery embolization rarely produces a permanent success, but may be useful as a temporizing procedure in patients with life-threatening hemoptysis. In these studies, we examined the efficacy of micafungin (MICA) alone or in combination with other antifungals in a model of pulmonary aspergillosis in immunosuppressed DBA/2 mice infected intranasally with conidia of Aspergillus fumigatus 10AF. VCZ at 0.01 and 0.05 microg ml(-1) alone resulted in 48% inhibition and 19% killing (n = 6). View Details. View details for DOI 10.1080/13693780802213340, View details for Web of Science ID 000265362300018. The Tel Dan inscription, or "House of David" inscription, was discovered in 1993 at the site of Tel Dan in northern Israel in an excavation directed by . Central nervous system (CNS) aspergillosis is a severe disease that responds poorly to current therapies. Like a superhero of the coiffe, she spends her days as a regular hair dresser, giving people layers and funky bobs. Mice were infected orally with Candida albicans and received either no treatment or oral treatment once daily for 12 days with 1, 5, or 25 mg of ravuconazole per kg of body weight per day, 5 or 25 mg of fluconazole per kg per day, or diluent (10% dimethyl sulfoxide in 0.5% carboxymethyl cellulose). Animal models are developed and used to study differences in virulence in fungal strains, their biochemical characterization and interaction with host defenses, particularly the role of therapy with recombinant cytokines and other immunomodulators, and preclinical studies of diagnosis. And thank you to everyone who made motherhood month such a success! Clemons, K. V., Gonzalez, G. M., Singh, G., Imai, J., Espiritu, M., Parmar, R., Stevens, D. A. Efficacy of Abelcet alone, or in combination therapy, against experimental central nervous system aspergillosis. > [????] Ravuconazole has good efficacy and the potential to cure mucosal candidosis in the absence of a functional immune response. The optimal treatment strategy for aspergilloma is unknown. Scatchard analysis of [3H]progesterone binding in both the + and - mating types of Arthroderma benhamiae and in Microsporum canis revealed a single class of binding sites with approximately the same affinity as that in T. mentagrophytes (Kd, 1 X 10(-7) to 2 X 10(-7) M). In experimental candidiasis, several manipulations of the immune system, via administration of cytokines, gene deletion or antibodies to cytokines, have been shown to significantly affect survival and fungal clearance in vivo. MDMs and micafungin (0.01 or 0.10 microg/ml) caused an additive inhibition of growth, 85% and 95%, respectively. Work is still important to me, but I dont feel that it defines me in the way I certainly did before. Clemons, K. V., Spearow, J. L., Parmar, R., Espiritu, M., Stevens, D. A. Genotypic differences of Candida albicans and C-dubliniensis isolates related to ethnic/racial differences within the same geographic area. The cumulative percent toxicity requiring discontinuation of drug was 6, 17, 23, and 56% at 400-, 800-, 1,200-, and 1,600-mg doses. We also analysed gene expression with time in culture and found that while transposable elements and components of respiratory pathways tended to increase in expression with time, genes encoding ribosomal structural proteins and protein catabolism tended to sharply decrease in expression over time, particularly in yeast. View details for Web of Science ID 000235777000016. Both isolates declined in number in other organs. Groups of mice were given 0.5 mg estradiol 3 days before and 4 days after intravaginal challenge with a suspension of Candida albicans. had 40% survival. Human central nervous system (CNS) aspergillosis has >90% mortality. The protection was comparable or superior to that of several Aspergillus-specific preparations described in the literature. View details for DOI 10.1016/j.diagmicrobio.2004.10.006, View details for Web of Science ID 000228091200003. View details for PubMedID 17646202, View details for Web of Science ID 000249882200035. Stevens, D. A., Rendon, A., Gaona-Flores, V., Catanzaro, A., Anstead, G. M., Pedicone, L., Graybill, J. R. Production of IL-6, in contrast to other cytokines and chemokines, in macrophage innate immune responses: Effect of serum and fungal (Blastomyces) challenge. Treatment of aspergillosis: Clinical practice guidelines of the infectious diseases society of America. HKY given by an oral route, or by a subcutaneous route with alum as an adjuvant, did not improve survival. Available at:
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