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PubMed2005

Eighth Leucocyte Differentiation Antigen Workshop DC section summary.

Dendritic cells (DC) are specialist antigen presenting cells that play a role in the initiation of innate and adaptive immune response. At the seventh Human Leucocyte Differentiation Antigen workshop, these intriguing cell populations were included as a separate lineage of leucocytes. This paper reports the studies performed in the eighth Human Leucocyte Differentiation Antigen workshop as part of the DC section. Many investigators currently focus on DC that are derived from a number of different leucocyte populations, including those that are differentiated in vitro and cells that are purified ex vivo. The DC section assessed the surface expression of different leucocyte surface molecules on a range of different DC populations. The results summarise the expression of each molecule on dendritic cell populations and differences between different DC preparations. Eleven new CDs were allocated on the basis of monoclonal antibodies and molecular information that identify known cell surface molecules expressed by dendritic cells. This paper gives a brief review of the work that was performed during the HLDA8 and a summary of the CDs represented by submitted mAb.

Antibodies, Monoclonal↗
PubMed2003

The impact of temporal lobe surgery on cure and mortality of drug-resistant epilepsy: summary of a workshop.

The Third International Spring Epilepsy Research Conference took place in Georgetown, Cayman Islands from April 26 to May 3, 2003. One workshop discussed the impact of epilepsy surgery on seizure outcome and mortality of antiepileptic drug (AED)-resistant temporal lobe epilepsy. This article summarizes the information presented at this workshop. Although two-thirds of adult patients undergoing epilepsy surgery become seizure-free with continued AED treatment, current clinical experience shows that seizure recurrence occurs in one-third of patients when AEDs are withdrawn under medical supervision. Additional seizure recurrence occurring after AED taper, poor drug compliance and even while patients continue on AEDs after surgery leave only approximately one-third of patients cured after temporal lobe resection. Mostly because so many patients prefer to stay on AEDs although they are free of disabling seizures after surgery, a randomised controlled trial of AED discontinuation is needed to determine if in fact only one-third of patients are cured after surgery. Based on the functional anatomy of temporal lobe surgery two hypotheses are presented why only a minority of patients are cured after surgery. The type and the prognostic significance of seizures after surgery is discussed. Recent studies have suggested that successful temporal lobe surgery may be able to normalize the increased standard mortality ratio (SMR) of drug-resistant temporal lobe epilepsy. However, pre-existing differences in SMR between those cured and those not cured by temporal lobe surgery and other unresolved methodological issues make it difficult at present to fully evaluate the impact of surgery on mortality. Future studies are thus warranted to specifically address the impact of temporal lobe surgery on cure and mortality.

Drug Resistance↗
PubMed2026

Antibody-drug conjugates in selected solid tumours: a position statement update based on findings from the third workshop held by the ETOP IBCSG Partners Foundation.

The European Thoracic Oncology Platform (ETOP) International Breast Cancer Study Group (IBCSG) Partners Foundation initiated a series of workshops for experts to review current evidence and offer recommendations to guide future antibody-drug conjugate (ADC) research. Here, we summarise key findings from the third workshop, which included experts in various solid tumours, basic/translational research scientists and pharmaceutical industry representatives. Recent positive phase III trial data have further incorporated ADCs into the standard of care [e.g. lung: sacituzumab tirumotecan; breast: trastuzumab deruxtecan (T-DXd), sacituzumab govitecan, datopotamab deruxtecan; muscle-invasive bladder cancer: enfortumab vedotin; ovarian cancer: mirvetuximab soravastine; cervical cancer: tisotumab vedotin]. Thus, research priorities must be tailored according to tumour type, potentially focussing initially on settings where ADCs could replace chemotherapy. Many phase III ADC trials have been initiated based on positive phase I data and although these trials are larger than those conducted historically, prespecified criteria (e.g. patient numbers and magnitude of efficacy) should be met to justify proceeding directly to phase III. Importantly, although several ADCs have been successfully developed without mandatory biomarker selection, biomarker-driven ADC development enables rational patient selection, as illustrated by multiple ADCs (e.g. T-DXd, mirvetuximab soravtansine and telisotuzumab vedotin). The identification, development and validation of predictive biomarkers are therefore essential, particularly given several critical nuances, including the algorithms used to assess biomarker status and the type of specimen analysed, all of which may be influenced by temporal and spatial heterogeneity. Additional ADC research priorities include the optimisation of ADC constructs to enhance efficacy/tolerability and the identification of reliable ADC targets, including work to elucidate attributes of already-identified targets. Finally, considering the vast amount of ADC-related data being generated, artificial intelligence could be leveraged to analyse combined datasets and generate composite biomarkers, including tumour histology, optimal target expression thresholds, molecular alterations and activated pathways affecting payload activity and target function, to accelerate research.

Humans↗
PubMed2006

Standardisation of methods for assessing mould germination: a workshop report.

The first workshop on predictive mycology was held in Marseille, France, 2--4 February 2005 under the auspices of the French Microbiological society. The purpose of the workshop was to list the different techniques and definitions used by scientists for assessing mould germination and to evaluate the influence of the different techniques on the experimental results. Recommendations were made when a large consensus was obtained. In order to facilitate the study of germination, alternative methods to microscopic examination were examined.

Food Microbiology↗
PubMed2004

Hereditary and acquired angioedema: problems and progress: proceedings of the third C1 esterase inhibitor deficiency workshop and beyond.

Hereditary angioedema (HAE), a rare but life-threatening condition, manifests as acute attacks of facial, laryngeal, genital, or peripheral swelling or abdominal pain secondary to intra-abdominal edema. Resulting from mutations affecting C1 esterase inhibitor (C1-INH), inhibitor of the first complement system component, attacks are not histamine-mediated and do not respond to antihistamines or corticosteroids. Low awareness and resemblance to other disorders often delay diagnosis; despite availability of C1-INH replacement in some countries, no approved, safe acute attack therapy exists in the United States. The biennial C1 Esterase Inhibitor Deficiency Workshops resulted from a European initiative for better knowledge and treatment of HAE and related diseases. This supplement contains work presented at the third workshop and expanded content toward a definitive picture of angioedema in the absence of allergy. Most notably, it includes cumulative genetic investigations; multinational laboratory diagnosis recommendations; current pathogenesis hypotheses; suggested prophylaxis and acute attack treatment, including home treatment; future treatment options; and analysis of patient subpopulations, including pediatric patients and patients whose angioedema worsened during pregnancy or hormone administration. Causes and management of acquired angioedema and a new type of angioedema with normal C1-INH are also discussed. Collaborative patient and physician efforts, crucial in rare diseases, are emphasized. This supplement seeks to raise awareness and aid diagnosis of HAE, optimize treatment for all patients, and provide a platform for further research in this rare, partially understood disorder.

Angioedema↗
PubMed2006

Approaches to the treatment of hypereosinophilic syndromes: a workshop summary report.

Hypereosinophilic syndromes are a heterogeneous group of uncommon disorders characterized by the presence of marked peripheral blood eosinophilia, tissue eosinophilia, or both, resulting in a wide variety of clinical manifestations. Although corticosteroids are the first-line therapy for many of these disorders, approaches to the treatment of patients who do not tolerate or are unresponsive to corticosteroids are poorly standardized. A multidisciplinary group of 37 clinicians and scientists participated in a workshop held in May 2005 in Bern, Switzerland to discuss current and future approaches to therapy for 3 eosinophil-mediated disorders: hypereosinophilic syndrome, Churg-Strauss syndrome, and eosinophil-associated gastrointestinal disease. The goal of the workshop was to summarize available data regarding treatment of these disorders to identify the most promising therapies and approaches for further study. There was consensus among all of the participants that the identification of markers of disease progression to assess treatment responses is a research priority for all 3 disorders. Furthermore, the need for newer therapeutic strategies and novel drugs, as well as multicenter trials to assess all treatment modalities, was emphasized.

Biomarkers↗
PubMed2005

Finnish workshop on the restoration of contaminated residential areas after a nuclear accident: strategy generation and impact assessment.

Scenario-focused workshops on the restoration of contaminated residential areas are planned in a number of European countries within the EVATECH project of the EU's Fifth Framework Programme. The intention is to identify factors driving decision-making, explore the kinds of strategies that might be appropriate, develop methods for stakeholder involvement, and reveal information needs. The scenario of the Finnish workshop is presented. A policy generation scheme is proposed that yields a manageable but feature-rich set of strategies that is not constraint by lack of feasibility, justification, or public acceptability. The scheme rests on the premise that the affected area is divided into zones according to the level of contamination and that clean-up actions are applied in any combination and in combination with relocation.

Cesium Radioisotopes↗
PubMed2004

Recommendations from workshops of the second international feline coronavirus/feline infectious peritonitis symposium.

In August 2002, scientists and veterinarians from all over the world met in Scotland to discuss feline coronavirus (FCoV) and feline infectious peritonitis (FIP). The conference ended with delegates dividing into three workshops to draw up recommendations for FCoV control, diagnosis and treatment and future research. The workshops were chaired by the three authors and the recommendations are presented in this paper.

Animals↗
PubMedDate not supplied

Commentary: the National Workshop to Develop the Chiropractic Research Agenda: 10 years on, a new set of white papers.

This commentary reports on the advances that have occurred over the 10-year period since the first National Workshop to Develop the Chiropractic Research Agenda was held and introduces the second set of white papers that were produced as a result of the 10th annual Research Agenda Conference. Four working groups were convened to update the original 5 white papers that represented the most significant results from the first workshop in 1996. Each group was to review the first report, examine the action steps and recommendations that were published in each report to see how much had been completed in the past decade, and develop new action steps and recommendations for the future. Four new articles were developed, each updating and adding significant amounts of new research to the original versions. New action steps and recommendations will help move the profession forward into the future. Chiropractic scientists have worked diligently over the past decade to address the recommendations noted in the first set of white papers. Despite significant advances in knowledge and scientific capacity, the chiropractic profession is still confronted with a large number of research challenges.

Chiropractic↗
PubMed2006

Standards and measurements for assessing bone health-workshop report co-sponsored by the International Society for Clinical Densitometry (ISCD) and the National Institute of Standards and Technology (NIST).

This article reports and discusses the results of the recent ISCD-NIST Workshop on Standards and Measurements for Assessing Bone Health. The purpose of the workshop was to assess the status of efforts to standardize and compare results from dual-energy X-ray absorptiometry (DXA) scans, and then to identify and prioritize ongoing measurement and standards needs.

Absorptiometry, Photon↗
PubMed2005

Fourth International Workshop on immunology of pre-eclampsia, December 2004, Reunion, France.

The Fourth International Workshop on 'Reproductive Immunology, Immunological Tolerance and Immunology of Pre-eclampsia' was held in the Island of La Reunion in December 2004. Besides intense sharing of immunological data, it included also epidemiological studies from South Africa, USA and Australia, as well as genetic studies from South Africa and Mauritius, discussions on the future of graft transplant tolerance, implications of inositol-phosphoglycans in the pathogenesis of pre-eclampsia (PE), pathways to the inflammatory syndrome and other topics. Participants shared the belief that we may be witnessing significant steps forward in our comprehension of PE as an immunological event, with a prominent role for deregulation of the innate immune system, probably controlled by T cells and cytokine networks at the feto-placental interface. There was a growing consensus for an NK cell (KIR)-dependent event, with regulation exerted by T cells, as well as an important role for HLA-C presentation/recognition and HLA-G in mediating inflammatory cytokine imbalance, with an emphasis on IL-12 and IL-16 It is hoped that the next Workshop in 2006 will prove the immune involvement by dissecting the NK/Treg/Ts cell and HLA-CI HLA-G circuits leading to cytokine and vascular dysfunction.

Female↗
PubMed2003

Mouse lymphoma thymidine kinase gene mutation assay: International Workshop on Genotoxicity Tests Workgroup report--Plymouth, UK 2002.

The Mouse Lymphoma Assay (MLA) Workgroup of the International Workshop on Genotoxicity Tests (IWGT) met on June 28th and 29th, 2002, in Plymouth, England. This meeting of the MLA group was devoted to discussing the criteria for assay acceptance and appropriate approaches to data evaluation. Prior to the meeting, the group conducted an extensive analysis of data from both the microwell and soft agar versions of the assay. For the establishment of criteria for assay acceptance, 10 laboratories (6 using the microwell method and 4 using soft agar) provided data on their background mutant frequencies, plating efficiencies of the negative/vehicle control, cell suspension growth, and positive control mutant frequencies. Using the distribution curves generated from this data, the Workgroup reached consensus on the range of values that should be used to determine whether an individual experiment is acceptable. In order to establish appropriate approaches for data evaluation, the group used a number of statistical methods to evaluate approximately 400 experimental data sets from 10 laboratories entered into a database created for the earlier MLA Workshop held in New Orleans [Environ. Mol. Mutagen. 40 (2002) 292]. While the Workgroup could not, during this meeting, make a final recommendation for the evaluation of data, a general strategy was developed and the Workgroup members agreed to evaluate this new proposed approach using their own laboratory data. This evaluation should lead to a consensus global approach for data evaluation in the near future.

Animals↗
PubMed2004

An update from the latest workshop on asymptomatic primary hyperparathyroidism.

Considerable data have accumulated since 1990 concerning the natural history of asymptomatic primary hyperparathyroidism,the extent of target organ involvement, techniques for preoperative localization of parathyroid glands, and new surgical approaches for parathyroidectomy. Therefore a Workshop on Asymptomatic Primary Hyperparathyroidism: a Perspective for the Twenty-first Century was held in April 2002 with a goal of reevaluating the conclusions from the 1990 National Institutes of Health (NIH)Consensus Development Conference. This article presents the recommendations of the workshop panel and discusses the evidence leading to the changes in the recommendations of the 1990 NIH conference.

Bone Density↗
PubMed2006

Epigenetics and imprinting of the trophoblast -- a workshop report.

Genomic imprinting is a remarkable process that causes genes to be expressed or repressed depending on their parental-origin. Imprinted genes play important roles in prenatal growth and organ development. Postnatally, imprinted genes can contribute to the regulation of metabolic pathways and behaviour associated with the control of resources. One of the most important sites of imprinted gene action is the placenta. During this workshop at the 11th meeting of the International Federation of Placenta Associations/European Placenta Group held in Glasgow, a series of short talks were presented providing an overview of the evolution, function and mechanisms of imprinting in mammals with particular reference to the placenta. In addition, epigenetic control of trophoblast development and function were considered. This report summarises the contributions to the workshop.

Animals↗
PubMed2004

Histological criteria for the identification of acute cellular rejection in human small bowel allografts: results of the pathology workshop at the VIII International Small Bowel Transplant Symposium.

Acute cellular rejection remains a serious and frequent complication during the posttransplant course of small bowel allograft recipients. Currently, small bowel biopsies are the optimal method to identify this form of rejection. The morphological criteria for this diagnosis have been known for some time; however, no consensus study has classified these changes. To address issues in bowel transplant pathology, several pathologists experienced in this particular subdiscipline participated in a Pathology Workshop preceding the VIIIth International Small Bowel Transplant Symposium in Miami, Florida. Among the results of this workshop was the development a standardized grading scheme for acute cellular rejection in small bowel transplants.

Biopsy↗
PubMed2006

Report of the equine herpesvirus-1 Havermeyer Workshop, San Gimignano, Tuscany, June 2004.

Amongst the infectious diseases that threaten equine health, herpesviral infections remain a world wide cause of serious morbidity and mortality. Equine herpesvirus-1 infection is the most important pathogen, causing an array of disorders including epidemic respiratory disease abortion, neonatal foal death, myeloencephalopathy and chorioretinopathy. Despite intense scientific investigation, extensive use of vaccination, and established codes of practice for control of disease outbreaks, infection and disease remain common. While equine herpesvirus-1 infection remains a daunting challenge for immunoprophylaxis, many critical advances in equine immunology have resulted in studies of this virus, particularly related to MHC-restricted cytotoxicity in the horse. A workshop was convened in San Gimignano, Tuscany, Italy in June 2004, to bring together clinical and basic researchers in the field of equine herpesvirus-1 study to discuss the latest advances and future prospects for improving our understanding of these diseases, and equine immunity to herpesviral infection. This report highlights the new information that was the focus of this workshop, and is intended to summarize this material and identify the critical questions in the field.

Animals↗
PubMed2004

Fruit and vegetable environment, policy, and pricing workshop: introduction to the conference proceedings.

Americans' consumption of fruits and vegetables has increased slightly over the last 10 years, but most people still do not meet the Dietary Guidelines recommendation to consume 5 to 9 servings per day. New and innovative strategies are needed if we are to significantly increase the mean population intake of fruits and vegetables. To help formulate such strategies as well as to evaluate evidence and identify research gaps, the American Cancer Society and the Centers for Disease Control and Prevention convened the Fruit and Vegetable Environment, Policy, and Pricing Workshop, which brought together experts in how environmental change, policy, and pricing affect fruit and vegetable consumption. The papers in this supplement consist of a review of environmental interventions to improve nutrition and papers covering pricing and consumer value and how fruit and vegetable consumption can be promoted at worksites, restaurants, grocery stores and other community settings, and schools. Conclusions from the workshop were that existing intervention strategies need to be evaluated, promising example programs need to be disseminated, and new innovative interventions and programs need to be created and evaluated.

Commerce↗
PubMed2006

Report of an ISRTP workshop: progress and barriers to incorporating alternative toxicological methods in the U.S.

The workshop objectives were to explore progress in implementing new, revised and alternative toxicological test methods across regulatory evaluation frameworks and decision-making programs in the United States, to identify barriers and to develop recommendations to further promote adoption of approaches that reduce, refine, or replace the use of animal methods. The workshop included sessions on: (1) current research, development, and validation of alternative methods within the U.S. federal government; (2) emerging alternative methodologies with potential applications to a broad spectrum of toxicity evaluation strategies; (3) tiered evaluation ("intelligent testing") strategies; and (4) identification of, and recommendations to address, critical barriers that affect adoption and use of new, revised alternative toxicological test methods by U.S. regulatory agencies. Through facilitated discussion, a list of barriers and recommendations were developed and grouped into categories of economic/financial, scientific/technical, and regulatory/policy. Overall, participants from all sectors collectively supported catalyzing actions to promote more meaningful and rapid progress for research to develop alternative methods focused for use in regulatory programs, accelerated lab investigations to validate such alternative methods and adoption of regulatory frameworks which embrace and incorporate these validated alternatives.

Animal Testing Alternatives↗