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  • 1
    In: eJHaem, Wiley, Vol. 4, No. 4 ( 2023-11), p. 1059-1070
    Abstract: TP53 aberrations constitute the highest risk subset of myelodysplastic neoplasms (MDS) and acute myeloid leukemia (AML). The International Consensus Classification questions the blast threshold between MDS and AML. In this study, we assess the distinction between MDS and AML for 76 patients with TP53 aberrations. We observed no significant differences between MDS and AML regarding TP53 genomics. Median overall survival (OS) was 223 days for the entire group, but prognostic discrimination within subgroups showed the most inferior OS (46 days) for AML with multihit allelic state plus TP53 variant allele frequency (VAF) 〉 50%. In multivariate analysis, unadjusted Cox models revealed the following variables as independent risk factors for mortality: AML (vs. MDS) (hazard ratio [HR]: 2.50, confidence interval [CI] : 1.4–4.4, p = 0.001), complex karyotype (HR: 3.00, CI: 1.4–6.1, p = 0.003), multihit status (HR: 2.30, CI 1.3–4.2, p = 0.005), and absence of hematopoietic cell transplant (HCT) (HR: 3.90, CI: 1.8–8.9, p = 0.0009). Clonal dynamic modeling showed a significant reduction in TP53 VAF with front‐line hypomethylating agents. These findings clarify the impact of specific covariates on outcomes of TP53 ‐aberrant myeloid neoplasms, irrespective of the diagnosis of MDS versus AML, and may influence HCT decisions.
    Type of Medium: Online Resource
    ISSN: 2688-6146 , 2688-6146
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2023
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  • 2
    In: British Journal of Haematology, Wiley, Vol. 204, No. 5 ( 2024-05), p. 1844-1855
    Abstract: Recursive partitioning of healthy consortia led to the development of the Clonal Hematopoiesis Risk Score (CHRS) for clonal haematopoiesis (CH); however, in the practical setting, most cases of CH are diagnosed after patients present with cytopenias or related symptoms. To address this real‐world population, we characterize the clinical trajectories of 94 patients with CH and distinguish CH harbouring canonical DNMT3A/TET2/ASXL1 mutations alone (‘sole DTA’) versus all other groups (‘non‐sole DTA’). TET2 , rather than DNMT3A , was the most prevalent mutation in the real‐world setting. Sole DTA patients did not progress to myeloid neoplasm (MN) in the absence of acquisition of other mutations. Contrastingly, 14 (20.1%) of 67 non‐sole DTA patients progressed to MN. CHRS assessment showed a higher frequency of high‐risk CH in non‐sole DTA (vs. sole DTA) patients and in progressors (vs. non‐progressors). RUNX1 mutation conferred the strongest risk for progression to MN (odds ratio [OR] 10.27, 95% CI 2.00–52.69, p  = 0.0053). The mean variant allele frequency across all genes was higher in progressors than in non‐progressors (36.9% ± 4.62% vs. 24.1% ± 1.67%, p  = 0.0064). This analysis in the post‐CHRS era underscores the natural history of CH, providing insight into patterns of progression to MN.
    Type of Medium: Online Resource
    ISSN: 0007-1048 , 1365-2141
    URL: Issue
    RVK:
    Language: English
    Publisher: Wiley
    Publication Date: 2024
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    detail.hit.zdb_id: 1475751-5
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  • 3
    In: Neurourology and Urodynamics, Wiley, Vol. 40, No. 3 ( 2021-03), p. 829-839
    Abstract: Urologic substudies of prenatal myelomeningocele (MMC) closure have focused primarily on continence without significant clinical benefit. Fetoscopic MMC repair (FMR) is a newer form of prenatal intervention and touts added benefits to the mother, but urological outcomes have yet to be analyzed. We set out to focus on bladder safety rather than continence and examined bladder outcomes with different prenatal MMC repairs (FMR and prenatal open [POMR]) and compared bladder‐risk‐categorization to traditional postnatal repair (PSTNR). Methods An IRB‐approved retrospective analysis of all patients undergoing all forms of MMC repairs with inclusion and exclusion criteria based on the MOMS trial was performed. Bladder safety assessment required initial urodynamic studies (UDS), renal bladder ultrasound (RBUS), and/or voiding cystourethrogram (VCUG) within the 1st year of life. Follow‐up analyses within the cohorts required follow‐up studies within 18 months after initial evaluations. Outcomes assessed included bladder‐risk‐categorization based on the CDC UMPIRE study (high, intermediate, and safe), hydronephrosis (HN), and vesicoureteral reflux (VUR). A single reader evaluated each UDS. Results Initial UDS in 93 patients showed that the prevalence of high‐risk bladders were 35% FMR versus 36% PSTNR and 60% POMR. Follow‐up UDS showed only 8% of FMR were high‐risk compared to 35% POMR and 36% PSTNR. Change from initial to follow‐up bladder‐risk‐category did not reach significance ( p  = .0659); however, 10% PSTNR worsened to high‐risk on follow‐up, compared to none in either prenatal group. Subanalysis of follow‐up UDS between the prenatal cohorts also was not significant ( p  = .055). Only 8% of FMR worsened or stayed high‐risk compared to 35% with POMR ( p  = .1). HN was significantly different at initial and subsequent follow up between the groups with the least in the FMR group. Conclusions Early outcome UDS analyses demonstrated lower incidence of high‐risk bladders in FMR patients with a trend toward clinically significant improvement compared to POMR in regard to all evaluated metrics. Larger, prospective, confirmatory studies are needed to further evaluate the potential benefits on FMR on bladder safety and health.
    Type of Medium: Online Resource
    ISSN: 0733-2467 , 1520-6777
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2021
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  • 4
    In: Human Brain Mapping, Wiley, Vol. 30, No. 3 ( 2009-03), p. 883-895
    Abstract: Objective: We aimed to study the neural processing of emotion‐denoting words based on a circumplex model of affect, which posits that all emotions can be described as a linear combination of two neurophysiological dimensions, valence and arousal. Based on the circumplex model, we predicted a linear relationship between neural activity and incremental changes in these two affective dimensions. Methods: Using functional magnetic resonance imaging, we assessed in 10 subjects the correlations of BOLD (blood oxygen level dependent) signal with ratings of valence and arousal during the presentation of emotion‐denoting words. Results: Valence ratings correlated positively with neural activity in the left insular cortex and inversely with neural activity in the right dorsolateral prefrontal and precuneus cortices. The absolute value of valence ratings (reflecting the positive and negative extremes of valence) correlated positively with neural activity in the left dorsolateral and medial prefrontal cortex (PFC), dorsal anterior cingulate cortex, posterior cingulate cortex, and right dorsal PFC, and inversely with neural activity in the left medial temporal cortex and right amygdala. Arousal ratings and neural activity correlated positively in the left parahippocampus and dorsal anterior cingulate cortex, and inversely in the left dorsolateral PFC and dorsal cerebellum. Conclusion: We found evidence for two neural networks subserving the affective dimensions of valence and arousal. These findings clarify inconsistencies from prior imaging studies of affect by suggesting that two underlying neurophysiological systems, valence and arousal, may subserve the processing of affective stimuli, consistent with the circumplex model of affect. Hum Brain Mapp, 2009. © 2008 Wiley‐Liss, Inc.
    Type of Medium: Online Resource
    ISSN: 1065-9471 , 1097-0193
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2009
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    detail.hit.zdb_id: 1492703-2
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  • 5
    In: New Phytologist, Wiley, Vol. 200, No. 2 ( 2013-10), p. 511-522
    Abstract: Ethylene Response Factors (ERFs) are a large family of transcription factors that mediate responses to ethylene. Ethylene affects many aspects of wood development and is involved in tension wood formation. Thus ERFs could be key players connecting ethylene action to wood development. We identified 170 gene models encoding ERFs in the Populus trichocarpa genome. The transcriptional responses of ERF genes to ethylene treatments were determined in stem tissues of hybrid aspen ( Populus tremula  ×  tremuloides ) by qPCR. Selected ethylene‐responsive ERFs were overexpressed in wood‐forming tissues and characterized for growth and wood chemotypes by FT‐IR. Fifty ERFs in Populus showed more than five‐fold increased transcript accumulation in response to ethylene treatments. Twenty‐six ERFs were selected for further analyses. A majority of these were induced during tension wood formation. Overexpression of ERF s 18 , 21 , 30 , 85 and 139 in wood‐forming tissues of hybrid aspen modified the wood chemotype. Moreover, overexpression of ERF139 caused a dwarf‐phenotype with altered wood development, and overexpression of ERF18 , 34 and 35 slightly increased stem diameter. We identified ethylene‐induced ERF s that respond to tension wood formation, and modify wood formation when overexpressed. This provides support for their role in ethylene‐mediated regulation of wood development.
    Type of Medium: Online Resource
    ISSN: 0028-646X , 1469-8137
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2013
    detail.hit.zdb_id: 208885-X
    detail.hit.zdb_id: 1472194-6
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  • 6
    Online Resource
    Online Resource
    Wiley ; 2016
    In:  Journal of Cutaneous Pathology Vol. 43, No. 2 ( 2016-02), p. 158-163
    In: Journal of Cutaneous Pathology, Wiley, Vol. 43, No. 2 ( 2016-02), p. 158-163
    Abstract: Indeterminate dendritic cell tumor is an extremely rare neoplastic proliferation of dendritic cells that share immunophenotypic features of Langerhans cells and macrophages but lack Birbeck granules and Langerin expression. Methods We report a 55‐year‐old female presenting with a leonine facies and generalized multiple confluent papules, nodules and plaques on neck, upper trunk, arms and thighs. Laboratory evaluations were performed including skin biopsies, peripheral blood flow cytometry and positron emission tomography–computed tomography. Results The lesional skin biopsy showed a dense dermal and perifollicular infiltrate composed of histiocytoid cells with nuclear grooves lacking dendritic processes in a background of lymphocytes. Eosinophils were absent. The histiocytoid cells were CD68+CD1a+Langerin− and only focally S100+. Special stains including GMS, Gram and Fite were all negative for infectious organisms. Although an initial diagnosis suggesting Langerhans cell histiocytosis was proposed due to CD1a positivity, a diagnosis of indeterminate dendritic cell tumor was finally rendered based on the histopathological findings and the lack of expression of Langerin. Conclusion This case illustrates the variegated clinical presentation of indeterminate cell tumor and the necessity of appropriate immunohistochemical workup for its diagnosis.
    Type of Medium: Online Resource
    ISSN: 0303-6987 , 1600-0560
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2016
    detail.hit.zdb_id: 2018100-0
    detail.hit.zdb_id: 187078-6
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  • 7
    In: The FASEB Journal, Wiley, Vol. 22, No. S1 ( 2008-03)
    Abstract: Innovative transformational research is being promoted by the NSF Strategic Plan 2006–2011, with multidisciplinary projects emphasized. To prepare undergraduates for careers that cross disciplinary boundaries, bioscience students need to practice interdisciplinary communication in academic programs that connect students in diverse disciplines. This report describes a physiology laboratory course being piloted to create and study this educational frontier. Measurement and Design Issues for Experimental Physiology is a course where biomedical engineering and biology students apply knowledge from both fields while cooperating in multidisciplinary teams under specified technical constraints. Students use information, tools, techniques, and theories from their disciplines to solve problems that are beyond the scope of any single discipline. Instructional guidelines are provided to promote effective communication, systems thinking, laboratory skills, self‐management, and professional ethics needed for hypoxia‐related research. This project recognized different problem‐solving approaches used by students of engineering and bioscience, broke down stereotypes between the disciplines, and developed an educational environment where interdisciplinary teamwork was used to bridge differences.
    Type of Medium: Online Resource
    ISSN: 0892-6638 , 1530-6860
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2008
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    detail.hit.zdb_id: 639186-2
    SSG: 12
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  • 8
    In: Clinical Pharmacology & Therapeutics, Wiley, Vol. 107, No. 3 ( 2020-03), p. 571-579
    Abstract: There is a high risk of voriconazole failure in those with subtherapeutic drug concentrations, which is more common in CYP 2C19 (cytochrome P450 2C19) rapid/ultrarapid metabolizers ( RMs / UM s). We evaluated CYP 2C19 genotype‐guided voriconazole dosing on drug concentrations and clinical outcomes in adult allogeneic hematopoietic cell transplant recipients. Poor ( PM s), intermediate ( IM s), and normal metabolizers ( NM s) received voriconazole 200 mg twice daily; RMs / UM s received 300 mg twice daily. Steady‐state trough concentrations were obtained after 5 days, targeting 1.0–5.5 mg/L. Of 89 evaluable patients, 29% had subtherapeutic concentrations compared with 50% in historical controls ( P   〈  0.001). Zero, 26%, 50%, and 16% of PM s, IM s, NM s, and RMs / UM s were subtherapeutic. Voriconazole success rate was 78% compared with 54% in historical controls ( P   〈  0.001). No patients experienced an invasive fungal infection ( IFI ). Genotype‐guided dosing resulted in $4,700 estimated per patient savings as compared with simulated controls. CYP 2C19 genotype‐guided voriconazole dosing reduced subtherapeutic drug concentrations and effectively prevented IFI s.
    Type of Medium: Online Resource
    ISSN: 0009-9236 , 1532-6535
    URL: Issue
    RVK:
    Language: English
    Publisher: Wiley
    Publication Date: 2020
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    detail.hit.zdb_id: 123793-7
    SSG: 15,3
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  • 9
    In: European Journal of Dental Education, Wiley, Vol. 28, No. 2 ( 2024-05), p. 591-606
    Abstract: Current legislation leaves Oral Health Professional (OHP) education open to wide interpretation and may result in significant variation in educational practice and resultant professional attributes across Europe. Data regarding the current state of OHP education across Europe is limited. The aim of Part 1 of this series is to provide programme‐level data for Primary Dental Degree Programmes, Dental Hygiene and Postgraduate Education. Methods A 91‐item questionnaire was developed following the Delphi method. The questionnaire and the Articulate glossary of OHP education terms were developed concurrently to facilitate a common understanding of language. Piloting was performed in multiple stages and included institutions internal and external to the research group. The questionnaire was uploaded online and converted to a data hub , allowing dental schools to control their own data and update the data provided whenever they wish. All ADEE member schools ( n  = 144) were invited to provide data. Forty questions relating to school details, Primary Dental Degree Programmes, Dental Hygiene and Postgraduate Education were included in this part of the series. Results Seventy‐one institutions from 25 European countries provided data between June 2021 and April 2023, which represents a response rate of 49.3% of ADEE members. Programme‐level data for Primary Dental Degree Programmes, Dental Hygiene and Postgraduate Education is presented including programme length, funding, languages and fees, student numbers and demographics, student admission and selection processes and permission to practice after graduation. Conclusion This series of papers, as far as the authors are aware, are the first attempts to build a comprehensive picture of the current state of OHP education in Europe. A comprehensive view of the state of OHP education in Europe is not yet available but the O‐Health‐Edu data hub provides a means for all education providers in Europe to contribute data to reach this goal. It is anticipated that the data hub will be updated and built upon over time to continually establish a clearer picture of the state of OHP education in Europe.
    Type of Medium: Online Resource
    ISSN: 1396-5883 , 1600-0579
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2024
    detail.hit.zdb_id: 1386587-0
    detail.hit.zdb_id: 2025534-2
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  • 10
    Online Resource
    Online Resource
    Wiley ; 2021
    In:  American Journal of Medical Genetics Part A Vol. 185, No. 12 ( 2021-12), p. 3601-3605
    In: American Journal of Medical Genetics Part A, Wiley, Vol. 185, No. 12 ( 2021-12), p. 3601-3605
    Abstract: Robinow syndrome (RS) is a rare, pleiotropic genetic disorder. While it has been reported that males with Robinow syndrome may have genitourinary atypicalities, these have not been systematically studied. We hypothesized that the underlying gene involved plays a role in the clinical variability of associated genital findings and that the phenotypic appearance of the genitalia in RS may have a psychological impact. Urologic‐specific examination consisted of detailed examination and a questionnaire to investigate the psychological impact of the genital phenotype. Nine males agreed to a full evaluation. Average age was 19.9 years, penile length was 32.5 mm, stretched length 53 mm, and width 24.4 mm. Penile transposition occurred in all 9 male who allowed full examination. Undescended testicles were noted in 4/10, testicular atrophy in 5/9, buried penis in 7/9, hypospadias in 5/8, and a large penopubic gap (space between dorsum of penis base and pubic bone) in 5/6. In this cohort, 78% answered our semi‐quantitative pilot questionnaire that identified diminished sexuality, sexual function, and self‐perception. In conclusion, RS has unique, hallmark genital findings including penile transposition, buried penis, undescended testes, and large penopubic gaps. Genital phenotype in males was not shown to correlate with the specific gene involved for each patient. Surgical approaches and other interventions should be studied to address the findings of decreased sexuality and self‐perception. It is the authors' opinion that intervention to provide the appearance of penile lengthening be postponed until puberty to allow for maximal natural phallic growth.
    Type of Medium: Online Resource
    ISSN: 1552-4825 , 1552-4833
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2021
    detail.hit.zdb_id: 1493479-6
    detail.hit.zdb_id: 2108614-X
    SSG: 12
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