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Kaushik K, Krishna K, Johnson P, Gupta PSP, Nandi S, Mondal SS, Suganthi RU, Nikhil Kumar Tej J. Effect of α-Tocopherol in the vitrification medium on the viability, lipid peroxidation, expression of key developmental, apoptotic and stress-related genes in ovine secondary follicles. Reprod Domest Anim 2023. [PMID: 37086264 DOI: 10.1111/rda.14364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 03/24/2023] [Accepted: 04/19/2023] [Indexed: 04/23/2023]
Abstract
The present study aimed to evaluate the effect of α-tocopherol on viability, lipid peroxidation, and the expression of apoptosis, stress, and development related genes in the vitrified sheep secondary follicles. Ovarian secondary follicles (200-300 μm) were isolated and distributed separately to the vitrification treatment and supplemented with 5 mM, 10 mM, 20 mM and 30 mM of α-tocopherol (while the control fresh group was without vitrification and supplementation of α-tocopherol). After a week, the follicles were thawed and evaluated for follicular viability by trypan blue dye exclusion method, lipid peroxidation and gene expression studies. The results showed that the vitrification with 10 and 20 mM of α-tocopherol positively affected (P<0.05) the viability of vitrified follicles in comparison with vitrified ones without α-tocopherol but the higher concentration of α-tocopherol, i.e., 30 mM negatively affected the viability (P<0.05) in comparison with the 10 and 20 mM of α-tocopherol groups. The malondialdehyde (MDA) levels were significantly (P<0.05) higher in the vitrified without α-tocopherol group in comparison to the vitrified with 20 mM of α-tocopherol group. The expression of apoptotic-related gene, BCL2L1 was significantly higher in 10 mM α-tocopherol group compared to the control fresh and CASPASE 3, 9 expressions were significantly higher in the vitrified group when compared to the vitrified with 10 mM α-tocopherol group. Expressions of BAX, BAD, BAK, BMP-15 and GDF-9 showed no significant difference among the groups. The mRNA expression of SOD1 was significantly higher in the vitrified without α-tocopherol group when compared to other groups. We conclude that the supplementation of 10 and 20 mM α-tocopherol in vitrification solution was the efficient vitrification procedure for the vitrification of ovine secondary follicles.
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Affiliation(s)
- Kalpana Kaushik
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, Karnataka, India
- Department of Biotechnology, Jain University, Bengaluru, Karnataka, India
| | - Kavya Krishna
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, Karnataka, India
| | - P Johnson
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, Karnataka, India
| | - P S P Gupta
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, Karnataka, India
| | - S Nandi
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, Karnataka, India
| | - S S Mondal
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, Karnataka, India
| | - R U Suganthi
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, Karnataka, India
| | - J Nikhil Kumar Tej
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, Karnataka, India
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Robertson A, Makris A, Johnson P, Middleton S, Norman M, Sullivan C, Hennessy A. Delivery outcomes as a result of snoring as determined by standard sleep surveys. Obstet Med 2022; 15:253-259. [PMID: 36523878 PMCID: PMC9745590 DOI: 10.1177/1753495x211064107] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Accepted: 11/15/2021] [Indexed: 11/15/2023] Open
Abstract
Background Sleep-disordered breathing (SDB), is an umbrella term that encompasses obstructive sleep apnea (OSA), central sleep apnea (CSA) and hypoventilation. is common but studies in the pregnant population are limited. Data suggests relationships between OSA and preeclampsia, but the relationship between snoring and pregnancy outcomes is unknown. Methods A prospective study of 2224 singleton pregnancies was undertaken. Women were questioned using the Berlin Questionnaire (BQ- 2 or more categories where the score is positive.) and the Epworth Sleepiness Scale (ESS >10/24), the results compared with pregnancy outcomes with regard to hypertension in pregnancy. Results Women having symptoms raising the possibility of OSA defined by the BQ with a score >7 was 45.5%, and using ESS with a score >10, was 36%. The birth and neonatal outcomes for self-reported snoring and increased daytime sleepiness showed increased adverse outcomes notably increased caesarean section rates and low APGAR scores but not birth before 37 weeks of gestation. Conclusion Using questionnaires designed for the general population, the prevalence of possible undiagnosed OSA is high in the pregnant population. The increased adverse delivery and neonatal outcomes for self-reported snoring and increased daytime sleepiness with these tools indicated the need for further investigation of the links between snoring SDB and pregnancy outcomes.
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Affiliation(s)
- A Robertson
- Western Sydney University
NSW, Australia
- Campbelltown Hospital, South Western Sydney Local Health District, Campbelltown, NSW,
Australia
| | - A Makris
- Liverpool Hospital, Liverpool, NSW, Australia
| | - P Johnson
- David Reid Laboratory, University of Sydney, NSW, Australia
| | - S Middleton
- Liverpool Hospital, Liverpool, NSW, Australia
| | - M Norman
- David Reid Laboratory, University of Sydney, NSW, Australia
| | - C Sullivan
- David Reid Laboratory, University of Sydney, NSW, Australia
| | - A Hennessy
- Western Sydney University
NSW, Australia
- Campbelltown Hospital, South Western Sydney Local Health District, Campbelltown, NSW,
Australia
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3
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Kananen L, Eriksdotter M, Boström A, Kivipelto M, Annetorp M, Metzner C, Bäck Jerlardtz V, Engström M, Johnson P, Lundberg L, Åkesson E, Sühl Öberg C, Hägg S, Religa D, Jylhävä J, Cederholm T. Body mass index and Mini Nutritional Assessment-Short Form as predictors of in-geriatric hospital mortality in older adults with COVID-19. Clin Nutr 2022; 41:2973-2979. [PMID: 34389208 PMCID: PMC8318666 DOI: 10.1016/j.clnu.2021.07.025] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 07/06/2021] [Accepted: 07/20/2021] [Indexed: 01/27/2023]
Abstract
BACKGROUND & AIMS Overweight and obesity have been consistently reported to carry an increased risk for poorer outcomes in coronavirus disease 2019 (COVID-19) in adults. Existing reports mainly focus on in-hospital and intensive care unit mortality in patient cohorts usually not representative of the population with the highest mortality, i.e. the very old and frail patients. Accordingly, little is known about the risk patterns related to body mass and nutrition in very old patients. Our aim was to assess the relationship between body mass index (BMI), nutritional status and in-geriatric hospital mortality among geriatric patients treated for COVID-19. As a reference, the analyses were performed also in patients treated for other diagnoses than COVID-19. METHODS We analyzed up to 10,031 geriatric patients with a median age of 83 years of which 1409 (14%) were hospitalized for COVID-19 and 8622 (86%) for other diagnoses in seven geriatric hospitals in the Stockholm region, Sweden during March 2020-January 2021. Data were available in electronic hospital records. The associations between 1) BMI and 2) nutritional status, assessed using the Mini-Nutritional Assessment - Short Form (MNA-SF) scale, and short-term in-geriatric hospital mortality were analyzed using logistic regression. RESULTS After adjusting for age, sex, comorbidity, polypharmacy, frailty and the wave of the pandemic (first vs. second), underweight defined as BMI<18.5 increased the risk of in-hospital mortality in COVID-19 patients (odds ratio [OR] = 2.30; confidence interval [CI] = 1.17-4.31). Overweight and obesity were not associated with in-hospital mortality. Malnutrition; i.e. MNA-SF 0-7 points, increased the risk of in-hospital mortality in patients treated for COVID-19 (OR = 2.03; CI = 1.16-3.68) and other causes (OR = 6.01; CI = 2.73-15.91). CONCLUSIONS Our results indicate that obesity is not a risk factor for very old patients with COVID-19, but emphasize the role of underweight and malnutrition for in-hospital mortality in geriatric patients with COVID-19.
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Affiliation(s)
- L. Kananen
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden,Faculty of Social Sciences (Health Sciences), Gerontology Research Center, Tampere University, Tampere, Finland,Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland,Corresponding author. Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - M. Eriksdotter
- Division Clinical Geriatrics, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden,Theme Inflammation and Aging, Karolinska University Hospital, Huddinge, Sweden
| | - A.M. Boström
- Theme Inflammation and Aging, Karolinska University Hospital, Huddinge, Sweden,Division of Nursing, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden,Research and Development Unit, Stockholms Sjukhem, Stockholm, Sweden
| | - M. Kivipelto
- Division Clinical Geriatrics, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden,Theme Inflammation and Aging, Karolinska University Hospital, Huddinge, Sweden,Research and Development Unit, Stockholms Sjukhem, Stockholm, Sweden
| | - M. Annetorp
- Theme Inflammation and Aging, Karolinska University Hospital, Huddinge, Sweden
| | - C. Metzner
- Theme Inflammation and Aging, Karolinska University Hospital, Huddinge, Sweden
| | - V. Bäck Jerlardtz
- Department of Geriatric Medicine, Jakobsbergsgeriatriken, Stockholm, Sweden
| | - M. Engström
- Department of Geriatric Medicine, Sabbatsbergsgeriatriken, Stockholm, Sweden
| | - P. Johnson
- Department of Geriatric Medicine, Capio Geriatrik Nacka AB, Nacka, Sweden
| | - L.G. Lundberg
- Department of Geriatric Medicine, Dalengeriatriken Aleris Närsjukvård AB, Stockholm, Sweden
| | - E. Åkesson
- Research and Development Unit, Stockholms Sjukhem, Stockholm, Sweden
| | - C. Sühl Öberg
- Department of Geriatric Medicine, Handengeriatriken, Aleris Närsjukvård AB, Stockholm, Sweden
| | - S. Hägg
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - D. Religa
- Division Clinical Geriatrics, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden,Theme Inflammation and Aging, Karolinska University Hospital, Huddinge, Sweden
| | - J. Jylhävä
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden,Faculty of Social Sciences (Health Sciences), Gerontology Research Center, Tampere University, Tampere, Finland
| | - T. Cederholm
- Division Clinical Geriatrics, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden,Theme Inflammation and Aging, Karolinska University Hospital, Huddinge, Sweden,Department of Public Health and Caring Sciences, Uppsala University, Uppsala, Sweden
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4
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Carter R, Hardway H, Johnson P, Douglass E, Adedinsewo D. Multi-category classification of left ventricle ejection fraction using a convolutional neural network. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.2778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Screening for left ventricular (LV) systolic dysfunction (defined as ejection fraction ≤35%) based on data from a standard 12-lead electrocardiogram (ECG) has become well established when standard digital ECGs are available–8 independent leads sampled at least 250 hertz for 10 seconds. As the algorithm has been incorporated into various clinical scenarios and ancillary research projects, a limitation of the binary classification at 35% has become apparent.
Purpose
The objective of this study was to develop and validate a deep learning-based algorithm that would classify LVEF into three categories based on only the digital ECG input.
Methods
After IRB approval, native digital resting ECGs acquired between 1/1/2010 and 12/31/2021 on patients seen in Mayo Clinic in Jacksonville were extracted from the institutional electronic ECG database management system (MUSE, GE Healthcare). These ECGs were matched with transthoracic echocardiograms obtained up to four days prior or 30 days after the ECGs acquisition. A convolutional neural network consisting of 8 layers of convolutions, batch normalization and pooling was trained using Keras and Tensorflow with hyper-parameter optimization for L1 and L2 regularization, learning rate adjustments, and class weights to predict three classes of LVEF: ≤35%, 36–51%, and ≥52% based on clinical relevance. The primary measure of overall performance was the detection of LVEF ≤35%; however, the triad of model predictions was also considered in translating the model output to human interpretable findings.
Results
A total of 30,153 patients (60,169 ECG pairings; mean age 63 years; 48% male) were randomly split at the patient level into training (24,172 patients), validation (2,973 patients) and testing (3,008 patients). The trained model provided robust discrimination in the withheld testing data – AUROC of 0.941 (95% CI: 0.931 to 0.950). Using the optimal model threshold based on Youden's index from the validation data (0.186), sensitivity and specificity were estimated to be 87.9% (95% CI: 83.8% to 91.2%) and 86.3% (95% CI: 85.4% to 87.2%) in the testing data. In instances where discordant predictions were observed, the posterior distribution of model probabilities provide additional insights into the possible underlying value of LVEF (Figure 1).
Conclusions
The utilization of a multi-category deep learning classification model for the detection of reduced ejection fraction adds new dimensions to the use of AI technologies on digital ECGs. This work shows high discrimination can still be obtained when using three classes of LVEF.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- R Carter
- Mayo Clinic , Jacksonville , United States of America
| | - H Hardway
- Mayo Clinic , Jacksonville , United States of America
| | - P Johnson
- Mayo Clinic , Jacksonville , United States of America
| | - E Douglass
- Mayo Clinic , Jacksonville , United States of America
| | - D Adedinsewo
- Mayo Clinic , Jacksonville , United States of America
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5
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Adedinsewo D, Hardway H, Morales-Lara CA, Johnson P, Douglass E, Dangott B, Nakhleh R, Narula T, Patel P, Goswami R, Heckman A, Lopez-Jimenez F, Noseworthy P, Yamani M, Carter R. Screening for cardiac allograft rejection among heart transplant recipients using an electrocardiogram-based deep learning model. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Current approaches utilizing non-invasive methods to screen for cardiac allograft rejection (gene expression profiling and cell free DNA) have yet to be broadly integrated into heart transplant management and have shown limited discrimination (AUCs of 0.68 and 0.77, respectively). Changes in the electrocardiogram (ECG) have been reported at the time of severe cardiac rejection, including low voltages and conduction abnormalities. It remains unknown if subtle ECG changes correlating with cardiac allograft rejection can be detected earlier using machine learning methods.
Purpose
We sought to develop an artificial intelligence (AI) model to detect cardiac allograft rejection based on the 12 lead ECG.
Methods
We identified all patients who underwent a heart transplant at 3 hospital sites within a single health system from Jan 1998 through Apr 2021 and extracted digital 12-lead ECG data as well as endomyocardial biopsy pathology results from the electronic medical record. We partitioned our data into a training (80%), validation (10%), and test set (10%) based on a group stratification sampling. Each patient was present in only one set and each set had a positivity rate of 2.6% with 6,074/758/758 ECGs belonging to 1,146/140/141 unique patients in each set respectively. Cardiac allograft rejection was defined as moderate or severe acute cellular rejection based on International Society for Heart and Lung Transplantation (ISHLT) guidelines. A convolutional neural network, using the 12-lead ECG data as input, was trained with hyperparameter optimization for regularization, learning rate adjustments, and class weights. Model performance metrics were based on the test data and estimated using the final model architecture.
Results
1,587 heart transplant recipients who had at least one endomyocardial biopsy were evaluated for inclusion. We limited our sample to ECGs performed within 30 days of the biopsy date (7,590 ECGs, representing 1,425 unique patients). Our study population had a median age of 55.8 years and 28.7% were female. The median number of ECG-biopsy pairs per patient was 5. The majority of endomyocardial biopsy results were classified as none or mild rejection (97.1%), and 2.9% had moderate/severe rejection. The ECG-based AI model detected cardiac allograft rejection with an area under the receiver operative curve (AUC) of 0.84 in the test set. The sensitivity, specificity, positive and negative predictive values were 95%, 52.6%. 5.2% and 99.7% respectively.
Conclusions
An AI-ECG model appears to outperform novel non-invasive laboratory tests (gene expression profiling and cell free DNA) for detecting cardiac allograft rejection and does not require a blood draw or the additional complexities surrounding sample processing. This model relies on a readily available and relatively inexpensive test, the ECG. In addition, AI predictions can be made available within a few minutes following ECG acquisition.
Funding Acknowledgement
Type of funding sources: Private hospital(s). Main funding source(s): Mayo Clinic
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Affiliation(s)
- D Adedinsewo
- Mayo Clinic, Cardiovascular Medicine , Jacksonville , United States of America
| | - H Hardway
- Mayo Clinic, Quantitative Health Sciences , Jacksonville , United States of America
| | - C A Morales-Lara
- Mayo Clinic, Cardiovascular Medicine , Jacksonville , United States of America
| | - P Johnson
- Mayo Clinic, Quantitative Health Sciences , Jacksonville , United States of America
| | - E Douglass
- Mayo Clinic, Cardiovascular Medicine , Jacksonville , United States of America
| | - B Dangott
- Mayo Clinic, Laboratory Medicine and Pathology , Jacksonville , United States of America
| | - R Nakhleh
- Mayo Clinic, Laboratory Medicine and Pathology , Jacksonville , United States of America
| | - T Narula
- Mayo Clinic, Transplant Medicine , Jacksonville , United States of America
| | - P Patel
- Mayo Clinic, Transplant Medicine , Jacksonville , United States of America
| | - R Goswami
- Mayo Clinic, Transplant Medicine , Jacksonville , United States of America
| | - A Heckman
- Mayo Clinic, Cardiovascular Medicine , Jacksonville , United States of America
| | - F Lopez-Jimenez
- Mayo Clinic, Cardiovascular Medicine , Rochester , United States of America
| | - P Noseworthy
- Mayo Clinic, Cardiovascular Medicine , Rochester , United States of America
| | - M Yamani
- Mayo Clinic, Cardiovascular Medicine , Jacksonville , United States of America
| | - R Carter
- Mayo Clinic, Quantitative Health Sciences , Jacksonville , United States of America
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Abberton KM, McDonald TL, Diviney M, Holdsworth R, Leslie S, Delatycki MB, Liu L, Klamer G, Johnson P, Elwood NJ. Identification and Re-consent of Existing Cord Blood Donors for Creation of Induced Pluripotent Stem Cell Lines for Potential Clinical Applications. Stem Cells Transl Med 2022; 11:1052-1060. [PMID: 36073721 PMCID: PMC9585951 DOI: 10.1093/stcltm/szac060] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 07/12/2022] [Indexed: 11/24/2022] Open
Abstract
We aim to create a bank of clinical grade cord blood-derived induced pluripotent stem cell lines in order to facilitate clinical research leading to the development of new cellular therapies. Here we present a clear pathway toward the creation of such a resource, within a strong quality framework, and with the appropriate regulatory, government and ethics approvals, along with a dynamic follow-up and re-consent process of cord blood donors from the public BMDI Cord Blood Bank. Interrogation of the cord blood bank inventory and next generation sequencing was used to identify and confirm 18 donors with suitable HLA homozygous haplotypes. Regulatory challenges that may affect global acceptance of the cell lines, along with the quality standards required to operate as part of a global network, are being met by working in collaboration with bodies such as the International Stem Cell Banking Initiative (ISCBI) and the Global Alliance for iPSC Therapies (GAiT). Ethics approval was granted by an Institutional Human Research Ethics Committee, and government approval has been obtained to use banked cord blood for this purpose. New issues of whole-genome sequencing and the relevant donor safeguards and protections were considered with input from clinical genetics services, including the rights and information flow to donors, and commercialization aspects. The success of these processes has confirmed feasibility and utility of using banked cord blood to produce clinical-grade iPSC lines for potential cellular therapies.
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Affiliation(s)
- Keren M Abberton
- BMDI Cord Blood Bank, Melbourne, Australia.,Murdoch Children's Research Institute, Melbourne, Australia.,Department of Surgery, University of Melbourne, Melbourne, Australia
| | - Tricia L McDonald
- BMDI Cord Blood Bank, Melbourne, Australia.,Murdoch Children's Research Institute, Melbourne, Australia
| | - Mary Diviney
- VTIS at Australian Red Cross Lifeblood, Melbourne, Australia
| | | | - Stephen Leslie
- Schools of Mathematics and Statistics, and BioSciences, Melbourne Integrative Genomics, University of Melbourne, Melbourne, Australia
| | - Martin B Delatycki
- Murdoch Children's Research Institute, Melbourne, Australia.,Department of Pediatrics, University of Melbourne, Melbourne, Australia.,Victorian Clinical Genetics Services, Melbourne, Australia
| | - Lin Liu
- BMDI Cord Blood Bank, Melbourne, Australia.,Murdoch Children's Research Institute, Melbourne, Australia
| | - Guy Klamer
- Sydney Cord Blood Bank, Sydney Children's Hospitals Network, Sydney, Australia
| | - Phillip Johnson
- Queensland Cord Blood Bank At The Mater, Brisbane, Australia
| | - Ngaire J Elwood
- BMDI Cord Blood Bank, Melbourne, Australia.,Murdoch Children's Research Institute, Melbourne, Australia.,Department of Pediatrics, University of Melbourne, Melbourne, Australia
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7
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Klamer G, Sue J, Ko KH, Trickett A, Johnson P, Elwood N. Abstract 26 HLA Analysis of the Australian Cord Blood Banks: How Diverse Are Donors? Stem Cells Transl Med 2022. [PMCID: PMC9446947 DOI: 10.1093/stcltm/szac057.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Introduction The network of public cord blood banks (CBB) in Australia, known as AusCord, is comprised of CBB located in Brisbane, Sydney, and Melbourne. The network stores almost 37,000 cord blood units (CBU) and has released more than 1,300 for transplantation. Objective The objectives of this study were (1) to determine the relative diversity of HLA allele subtypes, tissue types, and haplotypes at each of the banks and between the banks and (2) to identify common tissue types and haplotypes that could be utilized for clinical research and development of third party cell therapy products. Methods HLA data was obtained for 36,782 CBU stored in the AusCord inventory. To standardize data format, high-resolution typing was converted to 2-digit typing. HLA allele subtypes were ranked from most to least common. A subset of Indigenous Australian and Pacific Islander HLA allele subtypes was interrogated to determine whether increased frequency correlated with declared ethnicity. Tissue types were separated into CBU that had HLA-A, HLA-B, HLA-C, and HLA-DRB1 typing (21,815 total) and CBU that did not have HLA-C typing (36,782 total). CBU tissue types were interrogated in 3 separate groups: searchable, searched, and released inventory. Haplotypes were confirmed where maternal typing was available (3,105 CBU). Results Ethnicity screening for donors and strategic location of collection sites servicing ethnic minority communities resulted in banking of Indigenous Australian and Pacific Islander HLA. At a bank and network level, there was a similar frequency of specific HLA subtypes; however, when considering the tissue types, there was vast diversity (~75% unique with 8 allele typing). Whilst there is diversity, there was also a fraction of the inventory that exhibited repetitive tissue types that could be utilized for clinical research. Discussion The study demonstrates that cord blood collections are able to boost storage of diverse tissue types in, and unique to, a multicultural population such as Australia. This finding can guide policy development and funding, as well as operational decisions at the CBB. Furthermore, CBB are well positioned to support research and development activity aimed at discovery of new applications for cord blood units through supply of GMP grade cryopreserved products exhibiting common tissue types and haplotypes.
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Affiliation(s)
- Guy Klamer
- Sydney Cord Blood Bank, Sydney Children’s Hospital , Randwick, NSW , Australia
- School of Women’s and Children’s Health, Faculty of Medicine, University of New South Wales , Randwick, NSW , Australia
| | - Jessica Sue
- Sydney Cord Blood Bank, Sydney Children’s Hospital , Randwick, NSW , Australia
| | - Kap-Hyoun Ko
- Sydney Cord Blood Bank, Sydney Children’s Hospital , Randwick, NSW , Australia
| | - Annette Trickett
- Bone Marrow Transplant Laboratory, Randwick Hospitals, NSW Health Pathology , Randwick, NSW , Australia
| | - Phillip Johnson
- Queensland Cord Blood Bank At The Mater, Mater Hospital, Raymond Terrace , Queensland , Australia
| | - Ngaire Elwood
- BMDI Cord Blood Bank, Murdoch Children’s Research Institute, Royal Children’s Hospital , Parkville, Victoria , Australia
- Department of Paediatrics, University of Melbourne , Parkville, Victoria , Australia
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8
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Johnson P, Pedersen J, Peskir G, Zucca C. Detecting the presence of a random drift in Brownian motion. Stoch Process Their Appl 2022. [DOI: 10.1016/j.spa.2021.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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9
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Counter C, Owen R, Sinha S, Muthusamy A, Drage M, Callaghan C, Elker D, Harper S, Sutherland A, Van Dellen D, Johnson P, Manas D, Shaw J, Forsythe J, Wilson C, Hughes S, Casey J, White S. O007 Pancreas and islet transplantation in the United Kingdom during the COVID-19 era. Br J Surg 2022; 109:znac242.007. [PMCID: PMC9384530 DOI: 10.1093/bjs/znac242.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Introduction Methods Results Conclusion Take-home message
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Affiliation(s)
| | - R Owen
- NHSBT Pancreas Advisory Group
| | - S Sinha
- NHSBT Pancreas Advisory Group
| | | | - M Drage
- NHSBT Pancreas Advisory Group
| | | | - D Elker
- NHSBT Pancreas Advisory Group
| | | | | | | | | | - D Manas
- NHSBT Pancreas Advisory Group
| | - J Shaw
- NHSBT Pancreas Advisory Group
| | | | | | | | - J Casey
- NHSBT Pancreas Advisory Group
| | - S White
- NHSBT Pancreas Advisory Group
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10
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Klamer G, Sue J, Trickett A, Ko KH, Johnson P, Elwood NJ. A comprehensive human leukocyte antigen analysis of 36 782 cord blood units stored in the Australian Public Cord Blood Banking Network. Cytotherapy 2022; 24:990-998. [PMID: 35871156 DOI: 10.1016/j.jcyt.2022.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 05/30/2022] [Accepted: 06/05/2022] [Indexed: 11/03/2022]
Abstract
BACKGROUND AND AIMS The network of public cord blood banks (CBBs) in Australia, known as AusCord, comprises CBBs located in Brisbane, Sydney and Melbourne. A novel comprehensive analysis has been performed to determine whether the cryopreserved, searchable cord blood unit (CBU) inventory of approximately 36 000 units share similar tissue types or haplotypes. METHODS Human leukocyte antigen (HLA) data was analysed using Microsoft Excel following standardisation of typing data. RESULTS The analysis has found that the majority of stored, searched and released CBU exhibit a tissue type that is unique within and between the CBBs. Therefore, each collection performed by the CBBs is likely to comprise a tissue type that is not already stored among the total AusCord inventory. HLA alleles (HLA-A*34, HLA-B*56, HLA-DRB1*08:03), which are uncommon in European populations, were associated with Pacific Islander and/or Indigenous Australian populations and confirmed to be more frequent among donors who, when screened, self-identified as these ethnicities. CONCLUSIONS These data indicate that (i) continued addition of CBU to existing inventories is likely to further increase the HLA diversity and (ii) screening donors for ethnicity or strategically locating collection sites where ethnic minorities reside can successfully result in collection of rare HLA associated with ethnic minority groups for whom finding donors might otherwise be more difficult.
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Affiliation(s)
- Guy Klamer
- Sydney Cord Blood Bank, Sydney Children's Hospital, Randwick, NSW, Australia; School of Women's and Children's Health, Faculty of Medicine, University of New South Wales, Randwick, NSW, Australia.
| | - Jessica Sue
- Sydney Cord Blood Bank, Sydney Children's Hospital, Randwick, NSW, Australia
| | - Annette Trickett
- Bone Marrow Transplant Laboratory, Randwick Hospitals, NSW Health Pathology, Randwick, NSW, Australia
| | - Kap-Hyoun Ko
- Sydney Cord Blood Bank, Sydney Children's Hospital, Randwick, NSW, Australia
| | - Phillip Johnson
- Queensland Cord Blood Bank at the Mater, Mater Hospital, Raymond Terrace, Queensland, Australia
| | - Ngaire J Elwood
- BMDI Cord Blood Bank, Murdoch Children's Research Institute, Royal Children's Hospital, Parkville, Victoria, Australia; Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
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11
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Downey PS, Thors A, Johnson P, Gupta K, Wallisch WJ, Almoghrabi O, Muehlebach GF, Zorn GL. Hybrid repair of acute type B dissection with aberrant right subclavian artery and bicarotid trunk. J Vasc Surg Cases Innov Tech 2022; 8:214-217. [PMID: 35493339 PMCID: PMC9048060 DOI: 10.1016/j.jvscit.2022.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 03/04/2022] [Indexed: 11/29/2022] Open
Abstract
Patients with type B aortic dissection (TBAD) often present as an emergency. Operative repair of TBAD can be indicated for selected patients in the setting of hemodynamic instability or rupture. Thoracic endovascular aortic repair of TBAD has achieved significant popularity. Variant aortic arch anatomy can present a significant clinical challenge in patients with an inadequate proximal landing zone for thoracic endovascular aortic repair. A three-stage, hybrid aortic arch debranching and endovascular repair of a ruptured TBAD in a patient with a bicarotid trunk and an aberrant right subclavian artery was successfully performed using a unique technical approach.
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12
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Johnson P, Chan JK, Vavasour IM, Abel S, Lee LE, Yong H, Laule C, Li DKB, Tam R, Traboulsee A, Carruthers RL, Kolind SH. Quantitative MRI findings indicate diffuse white matter damage in Susac Syndrome. Mult Scler J Exp Transl Clin 2022; 8:20552173221078834. [PMID: 35186315 PMCID: PMC8851927 DOI: 10.1177/20552173221078834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 01/21/2022] [Indexed: 11/15/2022] Open
Abstract
Background Susac Syndrome (SuS) is an autoimmune endotheliopathy impacting the brain, retina and cochlea that can clinically mimic multiple sclerosis (MS). Objective To evaluate non-lesional white matter demyelination changes in SuS compared to MS and healthy controls (HC) using quantitative MRI. Methods 3T MRI including myelin water imaging and diffusion basis spectrum imaging were acquired for 7 SuS, 10 MS and 10 HC participants. Non-lesional white matter was analyzed in the corpus callosum (CC) and normal appearing white matter (NAWM). Groups were compared using ANCOVA with Tukey correction. Results SuS CC myelin water fraction (mean 0.092) was lower than MS(0.11, p = 0.01) and HC(0.11, p = 0.04). Another myelin marker, radial diffusivity, was increased in SuS CC(0.27μm2/ms) compared to HC(0.21μm2/ms, p = 0.008) and MS(0.23μm2/ms, p = 0.05). Fractional anisotropy was lower in SuS CC(0.82) than HC(0.86, p = 0.04). Fiber fraction (reflecting axons) did not differ from HC or MS. In NAWM, radial diffusivity and apparent diffusion coefficient were significantly increased in SuS compared to HC(p < 0.001 for both measures) and MS(p = 0.003, p < 0.001 respectively). Conclusions Our results provided evidence of myelin damage in SuS, particularly in the CC, and more extensive microstructural injury in NAWM, supporting the hypothesis that there are widespread microstructural changes in SuS syndrome including diffuse demyelination.
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Affiliation(s)
| | - JK Chan
- Department of Medicine (Neurology), University of British Columbia, Canada
| | - IM Vavasour
- Department of Radiology, University of British Columbia, Canada
- International Collaboration on Repair Discoveries (ICORD)
| | | | | | - H Yong
- Department of Medicine (Neurology), University of British Columbia, Canada
| | - C Laule
- Department of Radiology, University of British Columbia, Canada
- International Collaboration on Repair Discoveries (ICORD)
- Department of Pathology and Laboratory Medicine, University of British Columbia, Canada
- Department of Physics and Astronomy, University of British Columbia, Canada
| | - DKB Li
- Department of Medicine (Neurology), University of British Columbia, Canada
- Department of Radiology, University of British Columbia, Canada
| | - R Tam
- Department of Radiology, University of British Columbia, Canada
- School of Biomedical Engineering, University of British Columbia, Canada
| | | | - RL Carruthers
- Department of Medicine (Neurology), University of British Columbia, Canada
| | - SH Kolind
- Department of Medicine (Neurology), University of British Columbia, Canada
- Department of Radiology, University of British Columbia, Canada
- International Collaboration on Repair Discoveries (ICORD)
- Department of Physics and Astronomy, University of British Columbia, Canada
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13
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Burnett A, Johnson P, Locke I, Illidge T. The Radiotherapy Learning Healthcare System - Working Together to Improve the Quality of Radiotherapy Nationally. Clin Oncol (R Coll Radiol) 2022; 34:411-414. [PMID: 35120791 DOI: 10.1016/j.clon.2021.12.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 11/23/2021] [Accepted: 12/13/2021] [Indexed: 11/19/2022]
Affiliation(s)
- A Burnett
- NHS England and NHS Improvement, London, UK.
| | - P Johnson
- NHS England and NHS Improvement, London, UK
| | - I Locke
- NHS England and NHS Improvement, London, UK
| | - T Illidge
- The University of Manchester, Manchester, UK
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14
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Gupta PSP, Kaushik K, Johnson P, Krishna K, Nandi S, Mondal S, Nikhil Kumar Tej J, Somoskoi B, Cseh S. Effect of different vitrification protocols on post thaw viability and gene expression of ovine preantral follicles. Theriogenology 2022; 178:1-7. [PMID: 34735977 DOI: 10.1016/j.theriogenology.2021.10.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 10/21/2021] [Accepted: 10/21/2021] [Indexed: 11/25/2022]
Abstract
The aim of the present study was to establish a vitrification protocol for ovine preantral follicles, which can retain viability after thawing and to evaluate the impact of different vitrification treatments on apoptosis and development-related gene expression. Preantral follicles were isolated from cortical slices of ovaries by the mechanical method of isolation. The isolated preantral follicles (200-300 μm) were randomly assigned into four groups. Group1 - Control Fresh preantral follicles (256 follicles); Group 2- Vitrification treatment A (259 follicles) (Vitrification solution 1 (VS1) - Fetal bovine serum (FBS)10%, Ethylene glycol (EG):1.8 M, Dimethyl sulfoxide (DMSO): 1.4 M, Sucrose-0.3 M for 4 min; VS2- FBS10%, EG:4.5 M, DMSO: 3.5 M, Sucrose:0.3 M for 45 s), Group 3 - Vitr. treatment B (235 follicles) (VS1-FBS 20%, EG:1.3 M, DMSO1.05 M for 15 min, VS2- FBS 20%, EG:2.7 M, DMSO:2.1 M for 5 min) and Group 4-Vitrification treatment C (248 follicles) (VS1-Glycerol(Gly):1.2 M for 3 min, VS2- Gly:1.2 M, EG:3.6 M for 3 min, VS3- Gly3M, EG: 4.5 M for 1 min). Preantral follicles were placed in corresponding vitrification treatments and later plunged immediately into liquid nitrogen (-196 °C). After a week, the follicles were thawed and analyzed for follicular viability by trypan blue dye exclusion method as well as for gene expression. The results showed that the low concentration of cryoprotectants (vitrification treatment B) negatively affected the viability of preantral follicles in comparison with control follicles. There was no significant difference in the viability rates among the Control (87%), Treatment A (79%) and Treatment C (75%). The percentage of viable preantral follicles (73%) derived from Treatment B was significantly decreased (P<0.05%) in comparison to that of control. The expression of apoptotic gene BAK was higher in the vitrification treatment B group. Expressions of the other apoptosis-related genes i.e. Bcl2L1, BAD, BAX, Caspase 3, and Annexin showed no significant difference among the groups. The expression pattern of development competence genes GDF-9 and BMP-15 were higher (P < 0.05) in vitrification treatment A and C, respectively. Expression of NOBOX gene was significantly increased in preantral follicles with Vitrification treatment B compared to the control group. We conclude that both the Vitrification treatment A and Treatment C were the efficient vitrification treatment methods for the vitrification of ovine preantral follicles.
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Affiliation(s)
- P S P Gupta
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India.
| | - Kalpana Kaushik
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - P Johnson
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Kavya Krishna
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - S Nandi
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - S Mondal
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - J Nikhil Kumar Tej
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - B Somoskoi
- Dept. and Clinic of Obstetrics & Reproduction, University of Veterinary Science, Budapest, Hungary
| | - S Cseh
- Dept. and Clinic of Obstetrics & Reproduction, University of Veterinary Science, Budapest, Hungary
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15
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Means K, Townsend K, Johnson P. Multicavitary septic effusions associated with actinobacillosis in an adult Tennessee Walking Horse with weight loss. EQUINE VET EDUC 2022. [DOI: 10.1111/eve.13549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- K. Means
- Department of Veterinary Medicine and Surgery College of Veterinary Medicine University of Missouri Columbia Missouri USA
| | - K. Townsend
- Department of Veterinary Medicine and Surgery College of Veterinary Medicine University of Missouri Columbia Missouri USA
| | - P. Johnson
- Department of Veterinary Medicine and Surgery College of Veterinary Medicine University of Missouri Columbia Missouri USA
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Kaushik K, Gupta P, Johnson P, Krishna K, Nandi S, Mondal S, Kumar Tej JN, Bence S, Cseh S. Effect of retinol in the vitrification medium on viability of vitrified ovine preantral follicles and expression of key developmental and apoptosis related genes. Cryo Letters 2022; 43:10-17. [PMID: 35315865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
BACKGROUND Vitrification increases the production of reactive oxygen species (ROS) and the antioxidants in the vitrification solution may be beneficial by reducing excessive ROS production. OBJECTIVE To evaluate the effect of retinol supplementation in vitrification solution on viability, apoptosis and development-related gene expression in vitrified sheep preantral follicles. MATERIALS AND METHODS Preantral follicles were isolated and randomly assigned into one of five groups: Group1, control fresh preantral follicles; Group 2, vitrification treatment; Group 3, vitrification + 2 μM retinol; Group 4, vitrification + 5 μM retinol; Group 5, vitrification + 10 μM retinol. Preantral follicles were placed in vitrification solutions and then plunged into liquid nitrogen (-196°C). After a week, the follicles were thawed and analyzed for follicular viability by trypan blue exclusion method and for gene expression. RESULTS Vitrification with 5 μM retinol positively affected viability in comparison with vitrification without retinol (P < 0.05). There was no significant difference in viability among the Group 1, Group 2, Group 3 and Group 5. Expression of apoptotic genes BAX and Casp 3 were higher in the vitrified group, and vitrification with 5 μM retinol (Group 4) is comparable to the control fresh. Expressions of other apoptosis-related genes (i.e., BCL2L1, BAD and BAK) showed significant difference between the control fresh group and the vitrification group with 5 μM retinol. Expression of Annexin5 was also significantly different among various groups. The expression of development competence genes GDF-9 and BMP-15 were higher (P < 0.05) in the Group vitrified with 5 μM retinol. CONCLUSION The supplementation of 5 μM retinol in vitrification solution was beneficial for the vitrification of ovine preantral follicles.
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Affiliation(s)
- K Kaushik
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Psp Gupta
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India.
| | - P Johnson
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - K Krishna
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - S Nandi
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - S Mondal
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - J N Kumar Tej
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - S Bence
- Department and Clinic of Obstetrics and Reproduction, University of Veterinary Science, Budapest, Hungary
| | - S Cseh
- Department and Clinic of Obstetrics and Reproduction, University of Veterinary Science, Budapest, Hungary
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17
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Gupta PSP, Kaushik K, Krishna K, Nikhil Kumar Tej J, Nandi S, Mondal S, Johnson P. Regulatory role of Wnt signal in the estradiol synthesis of different size categories of ovarian follicles in buffalo (Bubalus bubalis). Reprod Domest Anim 2021; 57:368-380. [PMID: 34967467 DOI: 10.1111/rda.14075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 12/16/2021] [Accepted: 12/27/2021] [Indexed: 11/27/2022]
Abstract
The aim of the present study was to understand the role of Wnt signal in ovarian estradiol synthesis in various size categories of ovarian follicles. A six- day cell culture system was adopted to test the effect of a Wnt inhibitor i.e. Inhibitor of Wnt response (IWR) on the ovarian granulosa cell estradiol synthesis and associated genes related to estradiol synthesis and Wnt signaling (CYP19A1, CCND2, WNT2, FZD6, DVL1, APC, AXIN2, CTNNB1) in buffalo. It was conducted with four groups: Group 1:control, Group 2: control + FSH, Group 3: IWR, Group 4:IWR + FSH. No significant effect of IWR was observed on the ovarian granulosa cell proliferation. No significant difference in the estradiol levels was found in the spent media harvested after six days of in vitro culture among different groups in small and large-sized ovarian follicles. However, the estradiol level varied significantly (P < 0.05) among different treatment groups in medium-sized follicles. The estradiol level was significantly lower (P < 0.05) in IWR group compared to the control group and was also significantly lower in IWR+FSH group compared to the FSH group. The Wnt inhibitor had significantly (P< 0.05) reduced the gene expression of CYP19A1 in large ovarian follicles. Varied effects of IWR-1 and FSH on the expression of other genes were observed. The results indicated that there is a positive role of Wnt signal in estradiol synthesis in buffalo but the positive role was more discernable in medium and large-sized follicles.
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Affiliation(s)
- P S P Gupta
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Kalpana Kaushik
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Kavya Krishna
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - J Nikhil Kumar Tej
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - S Nandi
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - S Mondal
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - P Johnson
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
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Abstract
INTRODUCTION The use of dendritic cell (DC)-based cancer vaccines over three decades has shown them to be a safe therapeutic approach against a range of hematological and solid malignancies. However, underwhelming and inconsistent results from clinical trials have seen them move in and out of favor. The limitations of ex vivo generated monocyte-derived DC (MoDC) in these therapies provide a pointed explanation for the varying and somewhat disappointing clinical outcomes. The identification of a specialized role for the rare conventional type 1 dendritic cell (cDC1) subset in orchestrating tumor immunity via the initiation of CD8+ T cell responses has led to a new concept of targeting cDC1 as a therapeutic option to address the unmet need of enhancing the immune response in cancer patients. AREAS COVERED This article reviews several current challenges and key opportunities associated with the development and use of next generation cDC1 cancer vaccines. EXPERT OPINION Manipulation of cDC1 quantity and quality holds enormous potential to improve tumor immunogenicity, as already demonstrated in preclinical models. New technologies are rapidly advancing the understanding of cDC1 in human cancer patients and facilitating the generation of these extremely rare cells in vitro, providing feasible new approaches toward clinical translation.
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Affiliation(s)
- Phillip Johnson
- Mater Research Institute-The University of Queensland, Translational Research Institute, Brisbane, Australia.,Queensland Cord Blood Bank At The Mater, South Brisbane, Australia
| | - Nikita Rosendahl
- Mater Research Institute-The University of Queensland, Translational Research Institute, Brisbane, Australia
| | - Kristen J Radford
- Mater Research Institute-The University of Queensland, Translational Research Institute, Brisbane, Australia
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Tsou B, Fliotsos M, Zafar S, Smith K, Johnson P, Schein O, Woreta F. 380 Evaluating the Use of Advanced Neuroimaging in the Emergency Department for Ocular Complaints. Ann Emerg Med 2021. [DOI: 10.1016/j.annemergmed.2021.09.395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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20
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Gupta P, Johnson P, Kaushik K, Krishna K, Nandi S, Mondal S, Nikhil Kumar Tej J, Somoskoi B, Cseh S. Effect of retinol as antioxidant on the post-thaw viability and the expression of apoptosis and developmental competence-related genes of vitrified preantral follicles in buffalo (Bubalus bubalis). Reprod Domest Anim 2021; 56:1446-1455. [PMID: 34449946 DOI: 10.1111/rda.14009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 08/25/2021] [Indexed: 11/30/2022]
Abstract
The present study evaluated the effect of supplementation of retinol in the vitrification solution on the viability, apoptosis and development-related gene expression in vitrified buffalo preantral follicles. Preantral follicles isolated from cortical slices of ovaries were randomly assigned into three groups: Group1-Control fresh preantral follicles; Group 2-Vitrification treatment (Vitrification solution 1 (VS1) -TCM-199 + 25 mM HEPES + Foetal bovine serum (FBS) 10%, Ethylene glycol (EG): 10%, Dimethyl sulphoxide (DMSO): 10%, Sucrose-0.3 M for 4 min; VS2- TCM-199 + 25 mM HEPES + FBS10%, EG:25%, DMSO: 25%, Sucrose:0.3 M for 45 s); Group3-vitrification treatment +5 μM of Retinol. Preantral follicles were placed in corresponding vitrification medium and plunged into liquid nitrogen (-196°C). After a week, the follicles were thawed and analysed for follicular viability and gene expression. There was no significant difference in the viability rates among the Group 1(Fresh preantral follicles) (91.46 ± 2.39%), Group 2 (89.59 ± 2.46%) and Group 3 (87.19 ± 4.05%). There was a significantly (p < .05) higher mRNA expression of BCL2L1, GDF-9 and BMP-15 in the vitrification + retinol group compared with the control group. There was a significantly (p < .05) higher expression of Caspase-3 and Annexin-5 in the vitrification group and Vitrification + retinol group compared with control group of follicles. It is concluded that the supplementation of 5 μM of Retinol in Vitrification solution was an efficient vitrification procedure for the vitrification of buffalo preantral follicles.
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Affiliation(s)
- Psp Gupta
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - P Johnson
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - K Kaushik
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - K Krishna
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - S Nandi
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - S Mondal
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - J Nikhil Kumar Tej
- ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - B Somoskoi
- Department and Clinic of Obstetrics & Reproduction, University of Veterinary Medicine, Budapest, Hungary
| | - S Cseh
- Department and Clinic of Obstetrics & Reproduction, University of Veterinary Medicine, Budapest, Hungary
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21
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Edeline J, Lamarca A, McNamara M, Jacobs T, Hubner R, Palmer D, Johnson P, Guiu B, Valle J. P-229 Systematic review and pooled analysis of locoregional therapies in patients with intrahepatic cholangiocarcinoma. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.05.283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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22
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Abstract
The validation of diagnostic methods (and the subsequent results generated by a laboratory) are improved through participation in inter-laboratory comparisons (IC), such as proficiency-testing (PT) programmes and other exercises referred to as 'ring tests' or 'ring trials' (RTs). This is a requirement to comply with international quality standards. Validating a method is a continuous process and taking part in ongoing PT programmes supports the management of a method's life cycle, providing continuing assessment of fitness (sometimes referred to as the 'validation retention status'). Proficiency-testing panel designs ensure that the methods used, particularly diagnostic specificity and sensitivity, are suitably challenged. Appraising PT results over time can illustrate whether the laboratory's performance is stable, improving or worsening, and proficiency tests can also highlight variations in the performance of assays. The development of new proficiency tests can support the implementation of novel diagnostics technologies, such as whole genome sequencing and point-of-care testing, and assist in cross-sectoral partnerships focusing on One Health approaches, which are high on the agenda for infectious disease control. For example, the rapid design and distribution of emergency exempted assays for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) means that these assays were not as rigorously evaluated as assays for established infectious diseases. Therefore, participation in PT programmes for SARS-CoV-2 is essential to understand the performance of these assays. While other mechanisms help to underpin laboratory activities, PT has been, and should remain, an integral part of laboratory quality assurance. Resources must be directed towards increasing and improving the quality of PT (for example, availability and accessibility of suitable biological and reference materials are essential for a PT provider to execute its duties), to support established and novel methods such as genomic and point-of-care tests.
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Hutchings M, Mous R, Clausen MR, Johnson P, Linton K, Lewis DJ, Chamuleau ME, Balari AS, Cunningham D, DeMarco D, Chen K, Elliott B, Lugtenburg P. SUBCUTANEOUS EPCORITAMAB IN PATIENTS WITH RELAPSED/REFRACTORY B‐CELL NON‐HODGKIN LYMPHOMA: SAFETY PROFILE AND ANTI‐TUMOR ACTIVITY. Hematol Oncol 2021. [DOI: 10.1002/hon.16_2879] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- M Hutchings
- Rigshospitalet, Copenhagen University Hospital Department of Hematology Copenhagen Denmark
| | - R Mous
- On behalf of the Lunenburg Lymphoma Phase I/II Consortium‐HOVON/LLPC Universitair Medisch Centrum Utrecht Department of Hematology Utrecht Netherlands
| | - M. R Clausen
- Vejle Hospital Department of Hematology Veile Denmark
| | - P Johnson
- Cancer Research UK, Cancer Services University of Southampton Department of Hematology Southampton UK
| | - K Linton
- Christie Hospital NHS Foundation Trust Division of Cancer Services Manchester UK
| | - D. J Lewis
- Plymouth University Medical School Department of Hematology Plymouth UK
| | - M. E.D Chamuleau
- On behalf of the Lunenburg Lymphoma Phase I/II Consortium‐HOVON/LLPC VU University Medical Center Department of Hematology Amsterdam Netherlands
| | - A. S Balari
- Institut Català d'Oncologia‐Hospital Duran i Reynals, Hospitalet del Llobregat Department of Hematology Barcelona Spain
| | - D Cunningham
- The Royal Marsden NHS Foundation Trust Department of Hematology Sutton UK
| | - D DeMarco
- Genmab Clinical Research and Development Princeton, New Jersey USA
| | - K.‐M Chen
- Genmab Clinical Research and Development Princeton, New Jersey USA
| | - B Elliott
- Genmab Clinical Research and Development Princeton, New Jersey USA
| | - P Lugtenburg
- On behalf of the Lunenburg Lymphoma Phase I/II Consortium‐HOVON/LLPC Erasmus MC Cancer Institute Department of Hematology Rotterdam Netherlands
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Booth S, Kirkwood A, Johnson P, Barrington S, Gallop‐Evans E, Peggs K, Warbey V, Burton C, Ardavan A, Phillips B, Lawrie E, Pike L, Northend M, Clifton‐Hadley L, Jenner R, Collins GP. ANIMATE: A PHASE II STUDY OF NIVOLUMAB IN TRANSPLANT ELIGIBLE PATIENTS WITH RELAPSED/REFRACTORY CLASSIC HODGKIN LYMPHOMA. Hematol Oncol 2021. [DOI: 10.1002/hon.159_2880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- S. Booth
- Oxford University Hospitals Department of Haematology Oxford UK
| | - A. Kirkwood
- UCL Cancer Institute CR UK and UCL Cancer Trials Centre London UK
| | - P. Johnson
- University of Southampton Department of Medicine London UK
| | - S. Barrington
- King’s College London King’s College London and Guys’ & St Thomas PET Imaging Centre London UK
| | - E. Gallop‐Evans
- Velindre University NHS Trust Department of Oncology Cardiff UK
| | - K. Peggs
- University College London Hospitals Haematology London UK
| | - V. Warbey
- King’s College London King’s College London and Guys’ & St Thomas PET Imaging Centre London UK
| | - C. Burton
- Leeds Cancer Centre Haematology Leeds UK
| | - A. Ardavan
- University of Oxford Department of Physics Oxford UK
| | - B. Phillips
- University of Manchester and Manchester Academic Health Science Centre Division of Cancer Science Manchester UK
| | - E. Lawrie
- UCL Cancer Institute CR UK and UCL Cancer Trials Centre London UK
| | - L. Pike
- King’s College London King’s College London and Guys’ & St Thomas PET Imaging Centre London UK
| | - M. Northend
- UCL Cancer Institute CR UK and UCL Cancer Trials Centre London UK
| | | | - R. Jenner
- UCL Cancer Institute CR UK and UCL Cancer Trials Centre London UK
| | - G. P. Collins
- Oxford University Hospitals Department of Haematology Oxford UK
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Barrans SL, Cucco F, Davies J, van Hoppe M, Mell T, Mercer K, Stanton L, Caddy J, Tooze R, Burton C, Westhead D, Du M, Davies A, Johnson P. MOLECULAR HIGH GRADE (MHG) GENE EXPRESSION PROFILE IN DLBCL IS ENRICHED AMONG PATIENTS WITH EARLY TREATMENT FAILURE. Hematol Oncol 2021. [DOI: 10.1002/hon.12_2880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- S. L Barrans
- Leeds Teaching Hospitals HMDS Institute of Oncology Leeds UK
| | - F Cucco
- University of Cambridge Department of Pathology Cambridge UK
| | - J Davies
- University of Leeds Bioinformatics Group Faculty of Biological sciences Leeds UK
| | - M van Hoppe
- Leeds Teaching Hospitals HMDS Institute of Oncology Leeds UK
| | - T Mell
- Leeds Teaching Hospitals HMDS Institute of Oncology Leeds UK
| | - K Mercer
- University of Southampton SCTU Southampton UK
| | - l Stanton
- University of Southampton SCTU Southampton UK
| | - J Caddy
- University of Southampton SCTU Southampton UK
| | - R Tooze
- University or Leeds School of medicine Leeds UK
| | - C Burton
- Leeds Teaching Hospitals HMDS Institute of Oncology Leeds UK
| | - D Westhead
- University of Leeds Bioinformatics Group Faculty of Biological sciences Leeds UK
| | - M Du
- University of Cambridge Department of Pathology Cambridge UK
| | - A Davies
- University of Southampton SCTU Southampton UK
| | - P Johnson
- University of Southampton Medicine Southampton UK
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Davies A, McKay P, Osborne W, Stanton L, Tansley‐Hancock O, Lawrence M, Mercer K, Allen A, Pottinger B, Zhelyazkova A, Miall F, Rafferty J, Sale B, Cucco F, Nunn L, Coleman A, Griffiths G, Du MQ, Burton C, Barrons S, Johnson P. 9P GAIN PREDICTS OUTCOMES IN PATIENTS WITH RELAPSED/REFRACTORY (R/R) DIFFUSE LARGE B‐CELL LYMPHOMA (DLBCL) TREATED WITH R‐GEMOX +/‐ ATEZOLIZUMAB. ARGO: A RANDOMISED PHASE II STUDY. Hematol Oncol 2021. [DOI: 10.1002/hon.11_2880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- A Davies
- University of Southampton Southampton Cancer Research UK (CRUK) Centre CRUK/NIHR Experimental Cancer Medicines Centre CRUK Southampton Clinical Trials Unit Southampton UK
| | - P McKay
- Beatson West of Scotland Cancer Centre Department of Haematology Glasgow UK
| | - W Osborne
- Freeman Hospital The Newcastle upon Tyne Hospitals NHS Foundation Trust Department of Haematology Newcastle UK
| | - L Stanton
- University of Southampton Southampton Cancer Research UK (CRUK) Centre CRUK/NIHR Experimental Cancer Medicines Centre CRUK Southampton Clinical Trials Unit Southampton UK
| | - O Tansley‐Hancock
- University of Southampton Southampton Cancer Research UK (CRUK) Centre CRUK/NIHR Experimental Cancer Medicines Centre CRUK Southampton Clinical Trials Unit Southampton UK
| | - M Lawrence
- University of Southampton Southampton Cancer Research UK (CRUK) Centre CRUK/NIHR Experimental Cancer Medicines Centre CRUK Southampton Clinical Trials Unit Southampton UK
| | - K Mercer
- University of Southampton Southampton Cancer Research UK (CRUK) Centre CRUK/NIHR Experimental Cancer Medicines Centre CRUK Southampton Clinical Trials Unit Southampton UK
| | - A Allen
- University of Southampton Southampton Cancer Research UK (CRUK) Centre CRUK/NIHR Experimental Cancer Medicines Centre CRUK Southampton Clinical Trials Unit Southampton UK
| | - B Pottinger
- Royal Cornwall Hospitals NHS Trust Department of Haematology Truro UK
| | - A Zhelyazkova
- The Pennine Acute Hospitals NHS Trust Department of Haematology Manchester UK
| | - F Miall
- University Hospitals of Leicester NHS Trust Department of Haematology Leicester UK
| | - J Rafferty
- Patient Representative, c/o CRUK Southampton Clinical Trials Unit Southampton UK
| | - B Sale
- University of Southampton Southampton Cancer Research UK (CRUK) Centre CRUK/NIHR Experimental Cancer Medicines Centre CRUK Southampton Clinical Trials Unit Southampton UK
| | - F Cucco
- University of Cambridge Department of Pathology Cambridge UK
| | - L Nunn
- University of Southampton Southampton Cancer Research UK (CRUK) Centre CRUK/NIHR Experimental Cancer Medicines Centre CRUK Southampton Clinical Trials Unit Southampton UK
| | - A Coleman
- University of Southampton Southampton Cancer Research UK (CRUK) Centre CRUK/NIHR Experimental Cancer Medicines Centre CRUK Southampton Clinical Trials Unit Southampton UK
| | - G Griffiths
- University of Southampton Southampton Cancer Research UK (CRUK) Centre CRUK/NIHR Experimental Cancer Medicines Centre CRUK Southampton Clinical Trials Unit Southampton UK
| | - M. Q Du
- University of Cambridge Department of Pathology Cambridge UK
| | - C Burton
- Leeds Cancer Centre Haematological Malignancies Diagnostic Service Leeds UK
| | - S Barrons
- Leeds Cancer Centre Haematological Malignancies Diagnostic Service Leeds UK
| | - P Johnson
- University of Southampton Southampton Cancer Research UK (CRUK) Centre CRUK/NIHR Experimental Cancer Medicines Centre CRUK Southampton Clinical Trials Unit Southampton UK
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Martelli M, Zucca E, Botto B, Kryachok I, Ceriani L, Balzarotti M, Tucci A, Cabras MG, Zilioli VR, Rusconi C, Angrilli F, Arcaini L, Iwanicka AD, Ferreri A, Merli F, Zhao W, Hodgson D, Ionescu C, Fosså A, Cwynarski K, Mikhaeel G, Jerkeman M, Janikova A, Hüttmann A, Ciccone G, Metser U, Barrington S, Malkowski B, Versari A, Esposito F, Cozens K, Ielmini N, Ricardi R, Cavalli F, Johnson P, Davies A. IMPACT OF DIFFERENT INDUCTION REGIMENS ON THE OUTCOME OF PRIMARY MEDIASTINAL B CELL LYMPHOMA IN THE PROSPECTIVE IELSG 37 TRIAL. Hematol Oncol 2021. [DOI: 10.1002/hon.49_2879] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Johnson P, Vaccaro M, Starov V, Trybala A. Formation of Sodium Dodecyl Sulfate Foams by Compression of Soft Porous Material. J SURFACTANTS DETERG 2021. [DOI: 10.1002/jsde.12525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Phillip Johnson
- Department of Chemical Engineering Loughborough University Loughborough UK
| | | | - Victor Starov
- Department of Chemical Engineering Loughborough University Loughborough UK
| | - Anna Trybala
- Department of Chemical Engineering Loughborough University Loughborough UK
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29
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Johnson P, Thompson S, Adamo D, Fleming C, Bancos I, McKenzie T, Cheville J, Young W, Andrews J. Abstract No. 191 Adrenal venous sampling for lateralization of cortisol hypersecretion in patients with adrenocorticotropic hormone–independent Cushing syndrome and bilateral adrenal masses. J Vasc Interv Radiol 2021. [DOI: 10.1016/j.jvir.2021.03.197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Nikhil Kumar Tej J, Johnson P, Krishna K, Kaushik K, Gupta PSP, Nandi S, Mondal S. Copper and Selenium stimulates CYP19A1 expression in caprine ovarian granulosa cells: possible involvement of AKT and WNT signalling pathways. Mol Biol Rep 2021; 48:3515-3527. [PMID: 33881728 DOI: 10.1007/s11033-021-06346-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Accepted: 04/07/2021] [Indexed: 11/29/2022]
Abstract
The role of copper and selenium on activation of estradiol synthesis pathways viz. PKA/AKT/WNT is not clearly elucidated. On this background we attempt to elcuiated the role of copper and selenium on mRNA expression of genes associated with estradiol synthesis in caprine ovarian granulose cell models. Ovarian granulosa cells from medium (3-5 mm) sized follicles were aspirated and distributed separately to different groups. Group I: control, Group II: cupric chloride (Cu: 0.5 mM), Group III: sodium selenite (Se: 100 ng/ml), Group IV: Cu + Se. The cells (105/well) were cultured in 96 well plate in the base culture medium of MEMα comprising of nonessential amino acids (1.1 mM), FSH (10 ng/mL), transferrin (5 µg/mL), IGF-I (2 ng/mL), androstenedione (10-6 M), penicillin (100 IU/mL), streptomycin (0.1 mg/mL) and fungizone (0.625 µl/mL) and insulin (1 ng/mL). The cells were incubated in a carbondioxide incubator (38 °C, 5% CO2, 95% RH). The medium was changed on alternate days and cells were harvested on day 6. Day 6 media was used for estimation of estradiol. The RNA isolated form harvested cells was used for qPCR assay. There was no significant (p > 0.05) difference in estradiol concentration between groups. The mRNA expression of AKT1, CYP19A1, WNT2 & 4, FZD6 and APC2 were significantly (p < 0.05) higher in Cu and Cu + Se groups compared to control. Whereas, the mRNA transcript of DVL1 and CSNK1 was significantly (p < 0.05) higher in Cu + Se group compared to control. Incontrast, no significant difference in mRNA expression of PRKAR1A and CTNNB1 was noticed. Our study support a key role of copper and selenium in activation of AKT and WNT signalling pathway that further lead to increase in the mRNA expression of CYP19A1.
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Affiliation(s)
- J Nikhil Kumar Tej
- ICAR-National Dairy Research Institute (NDRI), Karnal, Haryana, 132001, India.
| | - P Johnson
- Animal Biotechnology Lab, ICAR-National Institute of Animal Nutrition and Physiology (NIANP), Bengaluru, Karnataka, India
| | - Kavya Krishna
- Animal Biotechnology Lab, ICAR-National Institute of Animal Nutrition and Physiology (NIANP), Bengaluru, Karnataka, India
| | - Kalpana Kaushik
- Animal Biotechnology Lab, ICAR-National Institute of Animal Nutrition and Physiology (NIANP), Bengaluru, Karnataka, India
| | - P S P Gupta
- Animal Biotechnology Lab, ICAR-National Institute of Animal Nutrition and Physiology (NIANP), Bengaluru, Karnataka, India
| | - S Nandi
- Animal Biotechnology Lab, ICAR-National Institute of Animal Nutrition and Physiology (NIANP), Bengaluru, Karnataka, India
| | - S Mondal
- Animal Biotechnology Lab, ICAR-National Institute of Animal Nutrition and Physiology (NIANP), Bengaluru, Karnataka, India
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Mitchell-McCallister D, McCullough R, Johnson P, Williams RB. An Economic Analysis on the Transition to Dryland Production in Deficit-Irrigated Cropping Systems of the Texas High Plains. Front Sustain Food Syst 2021. [DOI: 10.3389/fsufs.2021.531601] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The objective of this analysis was to integrate hydrologic, agronomic, and economic methods to evaluate various management strategies by changing crop acreage to better manage the declining resources of the Ogallala aquifer. A non-linear optimization model was used to estimate the optimal water use, crop mix, crop yield, and net returns over a 50 year period under dryland and deficit irrigation scenarios in the Texas High Plains. Results indicated that growers could maintain profitability by switching from fully irrigated center pivots to irrigating ½ and ¼ pivots.
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Johnson P, Trybala A, Starov V, Pinfield VJ. Effect of synthetic surfactants on the environment and the potential for substitution by biosurfactants. Adv Colloid Interface Sci 2021; 288:102340. [PMID: 33383470 DOI: 10.1016/j.cis.2020.102340] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 12/09/2020] [Accepted: 12/10/2020] [Indexed: 11/29/2022]
Abstract
The environmental impacts of the use of synthetic surfactants are discussed in this work such as their high levels of toxicity and low biodegradability. These materials destroy aquatic microbial populations, damage fish and other aquatic life, and reduce photochemical energy conversion efficiency of plants as well as adversely affecting waste-water treatment processes. With global usage of surfactants being over 15 million tonnes annually, and an estimated 60% of surfactant ending up in the aquatic environment, there is an urgent need for alternatives with lower adverse environmental effects; this review explores biosurfactants as potential alternatives. The sources and natural function of biosurfactants are presented, together with their advantages compared with their synthetic counterparts, including their low toxicity and biodegradability. Their comparable effectiveness as surfactants has been demonstrated by surface tension reduction, achieved at much lower critical micelle concentrations that those of synthetic surfactants. The limitations and challenges for the use of biosurfactants are discussed, particularly low production yields; such limitations must be addressed before wide range industrial use of biosurfactants can be achieved. Although there has been focus on achieving greater production yields, a remaining issue is the lack of research into the use of biosurfactants in a greater range of industrial and consumer applications to demonstrate their efficacy and identify candidate biosurfactants for production. This review highlights such research as deserving of further investigation, alongside the ongoing work to optimize the production process.
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Affiliation(s)
- Phillip Johnson
- Department of Chemical Engineering, Loughborough University, Loughborough, UK
| | - Anna Trybala
- Department of Chemical Engineering, Loughborough University, Loughborough, UK.
| | - Victor Starov
- Department of Chemical Engineering, Loughborough University, Loughborough, UK
| | - Valerie J Pinfield
- Department of Chemical Engineering, Loughborough University, Loughborough, UK
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Bowe CM, Gurney B, Sloane J, Johnson P, Newlands C. Operative time, length of stay and reoperation rates for orthognathic surgery. Br J Oral Maxillofac Surg 2020; 59:163-167. [PMID: 33441281 DOI: 10.1016/j.bjoms.2020.08.124] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 08/05/2020] [Indexed: 11/18/2022]
Abstract
Orthognathic surgery improves quality of life in terms of oral function and facial aesthetics. Our aim was to establish and compare operative time and length of inpatient stay for orthognathic procedures, and to assess the reoperation rate. Departmental electronic data base was used to identify all patients undergoing orthognathic surgery in a single unit between the 01/01/2016 and the 01/08/2018. 251 patients were identified who underwent 409 orthognathic surgery procedures. The mean operating time for a bimaxillary osteotomy (n=107) was 139.3 min. For single jaw procedures, the mean operating time for a Le Fort I osteotomy (n= 42) was 82.2 min and for a bilateral sagittal split osteotomy (BSSO) (n= 102) was 80.3min. Bimaxillary osteotomy combined with genioplasty (n=17) this increased the operating time on average by 31 min. and of a BSSO combined with a genioplasty (n=14) by 27 mins. The mean postoperative hospital stay was 1.2 ± 0.2 days. 96.4% patients spent only one postoperative night in hospital. 6/251 (2.4%) patients required re-operation. In regression analysis, age was the only significant factor in increasing length of stay (p<0.008), 95% CI 0.03-0.2). Our review shows short operating times and postoperative inpatient stays in a large cohort of patients undergoing orthognathic surgery. This is combined with a low reoperation rate. This may point to a patient benefit from high volume orthognathic centres.
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Affiliation(s)
- C M Bowe
- Department of Oral and Maxillofacial Surgery, Royal Surrey County Hospital, Egerton Road, Guildford, Surrey, GU2 7XX, UK.
| | - B Gurney
- Department of Oral and Maxillofacial Surgery, Royal Surrey County Hospital, Egerton Road, Guildford, Surrey, GU2 7XX, UK
| | - J Sloane
- Department of Oral and Maxillofacial Surgery, Royal Surrey County Hospital, Egerton Road, Guildford, Surrey, GU2 7XX, UK
| | - P Johnson
- Department of Oral and Maxillofacial Surgery, Royal Surrey County Hospital, Egerton Road, Guildford, Surrey, GU2 7XX, UK
| | - C Newlands
- Department of Oral and Maxillofacial Surgery, Royal Surrey County Hospital, Egerton Road, Guildford, Surrey, GU2 7XX, UK
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Cawich SO, Johnson P, Gardner MT, Pearce NW, Sinanan A, Gosein M, Shah S. Venous drainage of the left liver: an evaluation of anatomical variants and their clinical relevance. Clin Radiol 2020; 75:964.e1-964.e6. [PMID: 32958222 DOI: 10.1016/j.crad.2020.07.039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Accepted: 07/02/2020] [Indexed: 11/17/2022]
Abstract
AIM To evaluate the variations in venous drainage from the left liver. MATERIALS AND METHODS A retrospective evaluation was performed of all consecutive abdominal computed tomography (CT) examinations at a tertiary referral facility between 1 January and 30 June 2018. Osirix (Pixmeo SARL, Bernex, Switzerland) was used to examine the major hepatic veins and their tributaries in each scan. The classification of variants as proposed by Nakamura and Tsuzuki was used to describe the findings. The following information was collected: ramification pattern, number, length and diameter of middle (MHV) and left (LHV) hepatic vein tributaries. Two researchers collected data independently, and the average measurements were used as the final dimensions. RESULTS Of 102 examinations evaluated, only 27 demonstrated the conventional venous drainage patterns. The LHV and MHV combined to form a common trunk that emptied into the inferior vena cava (IVC) in 75 (73.5%) cases. The common trunk had a mean length of 8.89 mm and mean diameter of 20.18 mm. Other patterns included Nakamura and Tsuzuki type I (27.5%), type II (29.4%) and type III variants (16.7%). In addition, 4.9% of patients had absent superior middle veins and 80% had supernumerary short hepatic veins (4%). CONCLUSION Only 26.5% of patients in this population had conventional venous drainage from the left liver. Surgeons and radiologists in hepatobiliary practice should be aware of these variants in order to minimise morbidity when performing invasive procedures.
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Affiliation(s)
- S O Cawich
- Department of Surgery, General Hospital, Port of Spain, Trinidad and Tobago.
| | - P Johnson
- Department of Surgery, Radiology, Anaesthetics and Intensive Care, Faculty of Medical Sciences, University of the West Indies, Mona Campus, Kingston 7, Jamaica
| | - M T Gardner
- Department of Basic Medical Sciences, University of the West Indies, Mona Campus, Kingston 7, Jamaica
| | - N W Pearce
- University Surgical Unit, Southampton General Hospital, Southampton, UK
| | | | - M Gosein
- Department of Surgery, General Hospital, Port of Spain, Trinidad and Tobago
| | - S Shah
- Department of Surgery, Radiology, Anaesthetics and Intensive Care, Faculty of Medical Sciences, University of the West Indies, Mona Campus, Kingston 7, Jamaica
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Elwood N, Klamer G, Johnson P. Increase in Cord Blood Transplant-Related Activities Across the AusCord Network due to COVID-19. Stem Cells Transl Med 2020. [PMCID: PMC7480351 DOI: 10.1002/sctm.12820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- Ngaire Elwood
- a BMDI Cord Blood Bank, Victoria, Australia
- b Murdoch Children's Research Institute, Victoria, Australia
- c Department of Paediatrics University of Melbourne, Victoria, Australia
| | - Guy Klamer
- d Sydney Cord Blood Bank, Sydney, Australia
| | - Phillip Johnson
- e Queensland Cord Blood Bank At The Mater, South Brisbane, Queensland, Australia
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Stubberfield E, Pringle M, Landén A, Veldman KT, Geurts Y, Jouy E, Le Devendec L, Rubin JE, Kulathunga DGRS, Kristensen KA, Chanter J, Bollard A, Johnson P, Maycock J, Habighorst-Blome K, Rohde J, Card RM. Validation of an antimicrobial susceptibility testing protocol for Brachyspira hyodysenteriae and Brachyspira pilosicoli in an international ring trial. Vet Microbiol 2020; 244:108645. [PMID: 32402332 DOI: 10.1016/j.vetmic.2020.108645] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 02/27/2020] [Accepted: 03/17/2020] [Indexed: 10/24/2022]
Abstract
Brachyspira hyodysenteriae and Brachyspira pilosicoli cause economically important enteric disease in pigs. Treatment of these infections often includes antimicrobial administration, which can be most effective when therapeutic options are informed by antimicrobial susceptibility testing data. Here we describe a method for broth dilution antimicrobial susceptibility testing of these bacteria, both of which are difficult to culture in vitro. The protocol was evaluated for its fitness for use in an inter-laboratory ring trial involving eight laboratories from seven countries, and employing eleven test strains (5 Brachyspira hyodysenteriae including the type strain B78T and 6 Brachyspira pilosicoli) and six antibiotics. Overall intra- and inter-laboratory reproducibility of this method was very good (>90 % MICs at mode +/- 1 log2). Whole genome sequencing revealed good correspondence between reduced susceptibility and the presence of previously defined antimicrobial resistance determinants. Interestingly, lnu(C) was identified in B. pilosicoli isolates with elevated MICs of lincomycin, whilst tva(B) was associated with elevated MICs of pleuromutilins in this species. We designated two new control strains with MICs lying within currently tested ranges, including for the pleuromutilins, in contrast to the control strain B. hyodysenteriae B78T. These were deposited at the DSMZ-German Collection of Microorganisms and Cell Cultures GmbH. The validation of a standard protocol and identification of new control strains facilitates comparisons between studies, establishment of robust interpretative criteria, and ultimately contributes to rational antimicrobial use when treating infected livestock.
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Affiliation(s)
- E Stubberfield
- Department of Bacteriology, Animal and Plant Health Agency, Weybridge, Surrey, KT15 3NB, United Kingdom
| | - M Pringle
- Department of Animal Health and Antimicrobial Strategies, National Veterinary Institute, SVA, SE-751 89, Uppsala, Sweden
| | - A Landén
- Department of Animal Health and Antimicrobial Strategies, National Veterinary Institute, SVA, SE-751 89, Uppsala, Sweden
| | - K T Veldman
- Department of Bacteriology and Epidemiology, Wageningen Bioveterinary Research, Lelystad, Netherlands
| | - Y Geurts
- Department of Bacteriology and Epidemiology, Wageningen Bioveterinary Research, Lelystad, Netherlands
| | - E Jouy
- Mycoplasmology-Bacteriology-Antimicrobial Resistance Unit, French Agency for Food, Environmental and Occupational Health & Safety (ANSES), Ploufragan, France
| | - L Le Devendec
- Mycoplasmology-Bacteriology-Antimicrobial Resistance Unit, French Agency for Food, Environmental and Occupational Health & Safety (ANSES), Ploufragan, France
| | - J E Rubin
- Department of Veterinary Microbiology, University of Saskatchewan, 52 Campus Drive, Saskatoon, Saskatchewan, S7N 5B4, Canada
| | - D G R S Kulathunga
- Department of Veterinary Microbiology, University of Saskatchewan, 52 Campus Drive, Saskatoon, Saskatchewan, S7N 5B4, Canada
| | - K A Kristensen
- National Food Institute, Technical University of Denmark, 2800, Kgs. Lyngby, Denmark
| | - J Chanter
- Animal and Plant Health Agency, Starcross VIC, Devon, United Kingdom
| | - A Bollard
- VETQAS Quality Assurance Unit, Animal and Plant Health Agency, Sutton Bonington, Leicestershire, United Kingdom
| | - P Johnson
- VETQAS Quality Assurance Unit, Animal and Plant Health Agency, Sutton Bonington, Leicestershire, United Kingdom
| | - J Maycock
- VETQAS Quality Assurance Unit, Animal and Plant Health Agency, Sutton Bonington, Leicestershire, United Kingdom
| | - K Habighorst-Blome
- Institute for Microbiology, University of Veterinary Medicine, Foundation, Bischofsholer Damm 15, 30173, Hannover, Germany
| | - J Rohde
- Institute for Microbiology, University of Veterinary Medicine, Foundation, Bischofsholer Damm 15, 30173, Hannover, Germany
| | - R M Card
- Department of Bacteriology, Animal and Plant Health Agency, Weybridge, Surrey, KT15 3NB, United Kingdom.
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Rodwell R, Johnson P, McCloskey A, Fletcher B, McKay E, Armitage M, Ramsay J, Morgan C. Total Nucleated Cell and CD34+ Content of Cord Blood Units Selected for Unrelated Transplantation: Correlation of Results Provided by the Releasing Cord Blood Bank with the Post-thaw Quality Assurance Testing at Transplant Centers. Stem Cells Transl Med 2019. [DOI: 10.1002/sctm.12579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- Robyn Rodwell
- Queensland Cord Blood Bank At The Mater, South Brisbane, Queensland, Australia
| | - Phillip Johnson
- Queensland Cord Blood Bank At The Mater, South Brisbane, Queensland, Australia
| | - Andrew McCloskey
- Queensland Cord Blood Bank At The Mater, South Brisbane, Queensland, Australia
| | - Barbara Fletcher
- Queensland Cord Blood Bank At The Mater, South Brisbane, Queensland, Australia
| | - Elisabeth McKay
- Queensland Cord Blood Bank At The Mater, South Brisbane, Queensland, Australia
| | - Michelle Armitage
- Queensland Cord Blood Bank At The Mater, South Brisbane, Queensland, Australia
| | - Jim Ramsay
- Queensland Cord Blood Bank At The Mater, South Brisbane, Queensland, Australia
| | - Clare Morgan
- Queensland Cord Blood Bank At The Mater, South Brisbane, Queensland, Australia
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Abstract
Drainage of foams placed on porous substrates has only recently been theoretically investigated (O. Arjmandi-Tash, N. Kovalchuk, A. Trybala, V. Starov, Foam Drainage Placed on a Porous Substrate, Soft Matter, 2015, 11(18), 3643-3652), where an equation describing foam drainage (with non-slip boundary conditions on the liquid-air interfaces) was combined with that of imbibition of liquid into the thick porous substrate. Foam-based applications have been used as a method of drug delivery, which is a recent and promising area of research related to application of medicinal products onto the skin or hair, which are both thin porous layers. A theory of foam drainage (taking into account surface viscosity) placed on a completely wettable thin porous layer is developed: the rate of foam drainage and imbibition inside the porous layer and other characteristics of the process are predicted. The "effective slip" caused by the surface viscosity increased a movement of the top boundary of the foam. The theoretical predictions are compared with experimental observations of foam drainage placed on thin porous layers. The comparison showed a reasonable agreement between the theoretical predictions and experimental observations. One of the phenomena during foam application is the possibility of a build-up of a free liquid layer on the foam/porous layer interface, which can be very useful for applications. Three different regimes of spreading/imbibition process have been predicted. Conditions and durations of free liquid layer formation have been theoretically predicted and compared with experimental observations.
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Affiliation(s)
- Nektaria Koursari
- Department of Chemical Engineering, Loughborough University, Loughborough, LE11 3TU, UK.
| | - Omid Arjmandi-Tash
- Department of Chemical and Biological engineering, University of Sheffield, S10 2TN, UK
| | - Phillip Johnson
- Department of Chemical Engineering, Loughborough University, Loughborough, LE11 3TU, UK.
| | - Anna Trybala
- Department of Chemical Engineering, Loughborough University, Loughborough, LE11 3TU, UK.
| | - Victor M Starov
- Department of Chemical Engineering, Loughborough University, Loughborough, LE11 3TU, UK.
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Cummin T, Caddy J, Mercer K, Maishman T, Schuh A, Lopez Pascua L, Collins G, McMillan A, Ardeshna K, Galanopoulous A, Burton C, Barrans S, Griffiths G, Johnson P, Davies A. ACCEPT: A PHASE IB/II COMBINATION OF ACALABRUTINIB WITH RITUXIMAB, CYCLOPHOSPHAMIDE, DOXORUBICIN, VINCRISTINE AND PREDNISOLONE (R-CHOP) FOR PATIENTS WITH DIFFUSE LARGE B-CELL LYMPHOMA (DLBCL). Hematol Oncol 2019. [DOI: 10.1002/hon.39_2629] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- T.E. Cummin
- Southampton Cancer Research UK (CRUK) Centre/CRUK Southampton Clinical Trials Unit/CRUK Experimental Cancer Medicines Centre UK/ Southampton CRUK Clinical Trials Unit; University of Southampton; Southampton United Kingdom
| | - J. Caddy
- Southampton Cancer Research UK (CRUK) Centre/CRUK Southampton Clinical Trials Unit/CRUK Experimental Cancer Medicines Centre UK/ Southampton CRUK Clinical Trials Unit; University of Southampton; Southampton United Kingdom
| | - K. Mercer
- Southampton Cancer Research UK (CRUK) Centre/CRUK Southampton Clinical Trials Unit/CRUK Experimental Cancer Medicines Centre UK/ Southampton CRUK Clinical Trials Unit; University of Southampton; Southampton United Kingdom
| | - T. Maishman
- Southampton Cancer Research UK (CRUK) Centre/CRUK Southampton Clinical Trials Unit/CRUK Experimental Cancer Medicines Centre UK/ Southampton CRUK Clinical Trials Unit; University of Southampton; Southampton United Kingdom
| | - A. Schuh
- Oxford Molecular Diagnostics Centre; University of Oxford; Oxford United Kingdom
| | - L. Lopez Pascua
- Oxford Molecular Diagnostics Centre; University of Oxford; Oxford United Kingdom
| | - G. Collins
- Lymphoma Service; Oxford Univeristy Hospitals; Oxford United Kingdom
| | - A. McMillan
- Department of Haematology; Nottingham University Hospitals NHS Trust; Nottingham United Kingdom
| | - K. Ardeshna
- Department of Haematology; Univeristy College Hospitals London; London United Kingdom
| | - A. Galanopoulous
- Southampton Cancer Research UK (CRUK) Centre/CRUK Southampton Clinical Trials Unit/CRUK Experimental Cancer Medicines Centre UK/ Southampton CRUK Clinical Trials Unit; University of Southampton; Southampton United Kingdom
| | - C. Burton
- Haematological Malignancies Diagnostic Service; Leeds Cancer Centre; Leeds United Kingdom
| | - S. Barrans
- Haematological Malignancies Diagnostic Service; Leeds Cancer Centre; Leeds United Kingdom
| | - G. Griffiths
- Southampton Cancer Research UK (CRUK) Centre/CRUK Southampton Clinical Trials Unit/CRUK Experimental Cancer Medicines Centre UK/ Southampton CRUK Clinical Trials Unit; University of Southampton; Southampton United Kingdom
| | - P. Johnson
- Southampton Cancer Research UK (CRUK) Centre/CRUK Southampton Clinical Trials Unit/CRUK Experimental Cancer Medicines Centre UK/ Southampton CRUK Clinical Trials Unit; University of Southampton; Southampton United Kingdom
| | - A.J. Davies
- Southampton Cancer Research UK (CRUK) Centre/CRUK Southampton Clinical Trials Unit/CRUK Experimental Cancer Medicines Centre UK/ Southampton CRUK Clinical Trials Unit; University of Southampton; Southampton United Kingdom
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Barrans S, Painter D, van Hoppe S, Smith A, Sha C, Cucco F, Du M, Westhead D, Davies A, Johnson P, Roman E, Burton C. DEFINING BURKITT-LIKE LYMPHOMA WITH 11Q ABERRATION IN A SPECIALISED UK HAEMATOPATHOLOGY DIAGNOSTIC SERVICE. Hematol Oncol 2019. [DOI: 10.1002/hon.101_2629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- S. Barrans
- HMDS; Leeds Cancer Centre; Leeds United Kingdom
| | - D. Painter
- ECSG; Health Sciences, University of York; York United Kingdom
| | | | - A. Smith
- ECSG; Health Sciences, University of York; York United Kingdom
| | - C. Sha
- School of Molecular and Cellular Biology (Faculty of Biological Sciences); University of Leeds; Leeds United Kingdom
| | - F. Cucco
- Department of Pathology; University of Cambridge; Cambridge United Kingdom
| | - M. Du
- Department of Pathology; University of Cambridge; Cambridge United Kingdom
| | - D. Westhead
- School of Molecular and Cellular Biology (Faculty of Biological Sciences); University of Leeds; Leeds United Kingdom
| | - A. Davies
- Faculty of Medicine; University of Southampton; Southampton United Kingdom
| | - P. Johnson
- Faculty of Medicine; University of Southampton; Southampton United Kingdom
| | - E. Roman
- ECSG; Health Sciences, University of York; York United Kingdom
| | - C. Burton
- HMDS; Leeds Cancer Centre; Leeds United Kingdom
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41
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Balasubramanian S, Wang S, Major C, Hodkinson B, Schaffer M, Sehn L, Johnson P, Zinzani P, Carey J, Liu G, Loefgren C, Shreeve M, Sun S, Zhuang S, Vermeulen J, Staudt L, Younes A, Wilson W. CONCORDANCE BETWEEN IMMUNOHISTOCHEMISTRY AND GENE EXPRESSION PROFILING SUBTYPING FOR DIFFUSE LARGE B-CELL LYMPHOMA IN THE PHASE 3 PHOENIX TRIAL. Hematol Oncol 2019. [DOI: 10.1002/hon.99_2629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- S. Balasubramanian
- Clinical Oncology; Janssen Research & Development, San Diego, CA, USA; San Diego United States
| | - S. Wang
- Clinical Oncology; Janssen Research & Development, Raritan, NJ, USA; Raritan United States
| | - C. Major
- Oncology Translational Research; Janssen Research & Development, Spring House, PA, USA; Spring House United States
| | - B. Hodkinson
- Oncology Translational Research; Janssen Research & Development, Spring House, PA, USA; Spring House United States
| | - M. Schaffer
- Oncology Translational Research; Janssen Research & Development, Spring House, PA, USA; Spring House United States
| | - L.H. Sehn
- BC Cancer Centre; BC Cancer Centre for Lymphoid Cancer; Vancouver Canada
| | - P. Johnson
- Cancer Research UK Clinical Centre; University of Southampton; Southampton United Kingdom
| | - P.L. Zinzani
- Institute of Hematology; “Seràgnoli” University of Bologna; Bologna Italy
| | - J. Carey
- Clinical Oncology; Janssen Research & Development, Spring House, PA, USA; Spring House United States
| | - G. Liu
- Clinical Oncology; Janssen Research & Development, Raritan, NJ, USA; Raritan United States
| | - C. Loefgren
- Clinical Oncology; Janssen Research & Development, Raritan, NJ, USA; Raritan United States
| | - M. Shreeve
- Clinical Oncology; Janssen Research & Development, San Diego, CA, USA; San Diego United States
| | - S. Sun
- Clinical Oncology; Janssen Research & Development, Raritan, NJ, USA; Raritan United States
| | - S. Zhuang
- Clinical Oncology; Janssen Research & Development, Raritan, NJ, USA; Raritan United States
| | - J. Vermeulen
- Clinical Oncology; Janssen Research & Development; Leiden Netherlands
| | - L.M. Staudt
- Lymphoid Malignancies Branch, Center for Cancer Research, National Cancer Institute; National Institutes of Health; Bethesda United States
| | - A. Younes
- Lymphoma Service; Memorial Sloan Kettering Cancer Center; New York United States
| | - W. Wilson
- National Cancer Institute; National Institutes of Health; Bethesda United States
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42
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Cummin T, Cox K, Murray T, Barrans S, Sha C, Westhead D, Burton C, Davies A, Cragg M, Johnson P, Carter M. HIGH EXPRESSION OF BCL-2 AND BCL-XL IN DIFFUSE LARGE B-CELL LYMPHOMA CONFER POOR PROGNOSIS BUT MAY BE REVERSIBLE BY COMBINED INHIBITION WITH BET INHIBITORS AND BH3 MIMETICS. Hematol Oncol 2019. [DOI: 10.1002/hon.84_2629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- T.E. Cummin
- Cancer Sciences; University of Southampton; Southampton United Kingdom
| | - K. Cox
- Cancer Sciences; University of Southampton; Southampton United Kingdom
| | - T. Murray
- Cancer Sciences; University of Southampton; Southampton United Kingdom
| | - S. Barrans
- Haematalogical Malignancies Diagnostic Service; University of Leeds; Leeds United Kingdom
| | - C. Sha
- Faculty of Biological Sciences; University of Leeds; Leeds United Kingdom
| | - D. Westhead
- Faculty of Biological Sciences; University of Leeds; Leeds United Kingdom
| | - C. Burton
- Haematalogical Malignancies Diagnostic Service; University of Leeds; Leeds United Kingdom
| | - A. Davies
- Southampton Clinical Trials Unit; University of Southampton; Southampton United Kingdom
| | - M. Cragg
- Cancer Sciences; University of Southampton; Southampton United Kingdom
| | - P. Johnson
- Cancer Sciences; University of Southampton; Southampton United Kingdom
| | - M. Carter
- Cancer Sciences; University of Southampton; Southampton United Kingdom
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43
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Davies A, Tansley Hancock O, Cummin T, Caddy J, Stanton L, Burton C, Barrans S, Coleman A, Osborne W, McKay P, Griffiths G, Johnson P. ARGO: A RANDOMISED PHASE II STUDY OF ATEZOLIZUMAB WITH RITUXIMAB, GEMCITABINE AND OXALIPLATIN IN PATIENTS WITH RELAPSED OR REFRACTORY DIFFUSE LARGE B-CELL LYMPHOMA WHO ARE NOT CANDIDATES FOR HIGH-DOSE THERAPY. Hematol Oncol 2019. [DOI: 10.1002/hon.1_2632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- A.J. Davies
- Southampton Cancer Research UK (CRUK) Centre/CRUK Southampton Clinical Trials Unit/CRUK Experimental Cancer Medicines Centre UK; University of Southampton; Southampton United Kingdom
| | - O. Tansley Hancock
- Southampton Cancer Research UK (CRUK) Centre/CRUK Southampton Clinical Trials Unit/CRUK Experimental Cancer Medicines Centre UK; University of Southampton; Southampton United Kingdom
| | - T. Cummin
- Southampton Cancer Research UK (CRUK) Centre/CRUK Southampton Clinical Trials Unit/CRUK Experimental Cancer Medicines Centre UK; University of Southampton; Southampton United Kingdom
| | - J. Caddy
- Southampton Cancer Research UK (CRUK) Centre/CRUK Southampton Clinical Trials Unit/CRUK Experimental Cancer Medicines Centre UK; University of Southampton; Southampton United Kingdom
| | - L. Stanton
- Southampton Cancer Research UK (CRUK) Centre/CRUK Southampton Clinical Trials Unit/CRUK Experimental Cancer Medicines Centre UK; University of Southampton; Southampton United Kingdom
| | - C. Burton
- Haematological Malignancies Diagnostic Service; St James's University Hospital; Leeds United Kingdom
| | - S. Barrans
- Haematological Malignancies Diagnostic Service; St James's University Hospital; Leeds United Kingdom
| | - A. Coleman
- Southampton Cancer Research UK (CRUK) Centre/CRUK Southampton Clinical Trials Unit/CRUK Experimental Cancer Medicines Centre UK; University of Southampton; Southampton United Kingdom
| | - W. Osborne
- Freeman Hospital; Newcastle United Kingdom
| | - P. McKay
- Beatson West of Scotland Cancer Centre; Glasgow United Kingdom
| | - G. Griffiths
- Southampton Cancer Research UK (CRUK) Centre/CRUK Southampton Clinical Trials Unit/CRUK Experimental Cancer Medicines Centre UK; University of Southampton; Southampton United Kingdom
| | - P. Johnson
- Southampton Cancer Research UK (CRUK) Centre/CRUK Southampton Clinical Trials Unit/CRUK Experimental Cancer Medicines Centre UK; University of Southampton; Southampton United Kingdom
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Korfi K, Araf S, Bewicke-Copley F, Kumar E, Cummin T, Ashton-Key M, Barrans S, Van Hoppe S, Burton C, Elshiekh M, Rule S, Crosbie N, Clear A, Calaminici M, Menon G, Sha C, Bentley M, Nagano A, Davies A, Painter D, Smith A, Okosun J, Gribben J, Naresh K, Westhead D, Wang J, Johnson P, Fitzgibbon J. LONGITUDINAL ANALYSES OF DIAGNOSTIC-RELAPSE BIOPSIES OF DIFFUSE LARGE B CELL LYMPHOMA SUGGEST THAT RELAPSE IS MEDIATED BY DISTINCT MECHANISMS IN ABC AND GCB LYMPHOMA. Hematol Oncol 2019. [DOI: 10.1002/hon.100_2629] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- K. Korfi
- Centre for Haemato-Oncology; Barts Cancer Institute; London United Kingdom
| | - S. Araf
- Centre for Haemato-Oncology; Barts Cancer Institute; London United Kingdom
| | - F. Bewicke-Copley
- Centre for Molecular Oncology; Barts Cancer Institute; London United Kingdom
| | - E. Kumar
- Centre for Haemato-Oncology; Barts Cancer Institute; London United Kingdom
| | - T. Cummin
- Cancer Research UK Centre; University of Southampton; Southampton United Kingdom
| | - M. Ashton-Key
- Cellular Pathology; University Hospital Southampton NHS Foundation Trust; Southampton United Kingdom
| | - S. Barrans
- HMDS; Leeds Teaching Hospitals NHS Trust; Leeds United Kingdom
| | - S. Van Hoppe
- HMDS; Leeds Teaching Hospitals NHS Trust; Leeds United Kingdom
| | - C. Burton
- HMDS; Leeds Teaching Hospitals NHS Trust; Leeds United Kingdom
| | - M. Elshiekh
- Cellular & Molecular Pathology; Imperial College NHS Trust & Imperial College London; London United Kingdom
| | - S. Rule
- Department of Haematology; Derriford Hospital, University of Plymouth; Plymouth United Kingdom
| | - N. Crosbie
- Department of Haematology; University Hospitals Plymouth NHS Trust; Plymouth United Kingdom
| | - A. Clear
- Centre for Haemato-Oncology; Barts Cancer Institute; London United Kingdom
| | - M. Calaminici
- Centre for Haemato-Oncology; Barts Cancer Institute; London United Kingdom
| | - G. Menon
- Haemato-Oncology Diagnostic Service; Liverpool Clinical Laboratories; Liverpool United Kingdom
| | - C. Sha
- School of Molecular and Cellular Biology; University of Leeds; Leeds United Kingdom
| | - M. Bentley
- School of Molecular and Cellular Biology; University of Leeds; Leeds United Kingdom
| | - A. Nagano
- Centre for Molecular Oncology; Barts Cancer Institute; London United Kingdom
| | - A. Davies
- Cancer Research UK Centre; University of Southampton; Southampton United Kingdom
| | - D. Painter
- Epidemiology and Cancer Statistics Group; University of York; York United Kingdom
| | - A. Smith
- Epidemiology and Cancer Statistics Group; University of York; York United Kingdom
| | - J. Okosun
- Centre for Haemato-Oncology; Barts Cancer Institute; London United Kingdom
| | - J. Gribben
- Centre for Haemato-Oncology; Barts Cancer Institute; London United Kingdom
| | - K.N. Naresh
- Cellular & Molecular Pathology; Imperial College NHS Trust & Imperial College London; London United Kingdom
| | - D. Westhead
- School of Molecular and Cellular Biology; University of Leeds; Leeds United Kingdom
| | - J. Wang
- Centre for Molecular Oncology; Barts Cancer Institute; London United Kingdom
| | - P. Johnson
- Cancer Research UK Centre; University of Southampton; Southampton United Kingdom
| | - J. Fitzgibbon
- Centre for Haemato-Oncology; Barts Cancer Institute; London United Kingdom
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Keeler BD, Dickson EA, Simpson JA, Ng O, Padmanabhan H, Brookes MJ, Acheson AG, Banerjea A, Walter C, Maxwell‐Armstrong C, Williams J, Scholefield J, Robinson M, Vitish‐Sharma P, Bhandal N, Gornall C, Petsas A, Ward K, Pyke S, Johnson P, Cripps H, Williams G, Green M, Rankin J, Pinkney T, Iqbal T, Ward D, Tselepis C, Narewal M, Futaba K, Ghods‐Ghorbani M, Lund J, Theophilidou E, Peacock O, Longman R, Francis N, Spurdle K, Miskovic D, Moriarty C. The impact of pre‐operative intravenous iron on quality of life after colorectal cancer surgery: outcomes from the intravenous iron in colorectal cancer‐associated anaemia (IVICA) trial. Anaesthesia 2019; 74:714-725. [DOI: 10.1111/anae.14659] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/12/2019] [Indexed: 12/21/2022]
Affiliation(s)
- B. D. Keeler
- Milton Keynes University Hospital NHS Foundation Trust Eaglestone UK
| | - E. A. Dickson
- NIHR Biomedical Research Unit in Gastrointestinal and Liver Diseases at Nottingham University Hospitals NHS Trust and the University of Nottingham UK
| | - J. A. Simpson
- Department of Colorectal Surgery Nottingham University Hospitals NHS Trust Nottingham UK
| | - O. Ng
- NIHR Biomedical Research Unit in Gastrointestinal and Liver Diseases at Nottingham University Hospitals NHS Trust and the University of Nottingham UK
| | - H. Padmanabhan
- New Cross Hospital Royal Wolverhampton NHS Trust Wolverhampton UK
| | - M. J. Brookes
- New Cross Hospital Royal Wolverhampton NHS Trust Wolverhampton UK
- University of Wolverhampton UK
| | - A. G. Acheson
- Department of Colorectal Surgery Nottingham University Hospitals NHS Trust Nottingham UK
- University of Nottingham UK
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Johnson P, Wong K, Bercu Z, Newsome J, Findeiss L, Kokabi N. 03:18 PM Abstract No. 250 Meta-analysis of intraprocedural comparative effectiveness of coils versus vascular plugs in proximal splenic artery embolization and associated patient radiation exposure. J Vasc Interv Radiol 2019. [DOI: 10.1016/j.jvir.2018.12.311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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47
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Gupta PSP, Nikhil Kumar Tej J, Johnson P, Nandi S, Mondal S, Kaushik K, Krishna K. Efficiency of different synchronization protocols on oestrous response and rhythmic changes in 17β-oestradiol and progesterone hormone concentration in Salem Black goats. BIOL RHYTHM RES 2019. [DOI: 10.1080/09291016.2019.1579885] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- P. S. P Gupta
- Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - J. Nikhil Kumar Tej
- Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - P. Johnson
- Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - S. Nandi
- Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - S. Mondal
- Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Kalpana Kaushik
- Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Kavya Krishna
- Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
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48
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Triolo TM, Fouts A, Pyle L, Yu L, Gottlieb PA, Steck AK, Greenbaum CJ, Atkinson M, Baidal D, Battaglia M, Becker D, Bingley P, Bosi E, Buckner J, Clements M, Colman P, DiMeglio L, Gitelman S, Goland R, Gottlieb P, Herold K, Knip M, Krischer J, Lernmark A, Moore W, Moran A, Muir A, Palmer J, Peakman M, Philipson L, Raskin P, Redondo M, Rodriguez H, Russell W, Spain L, Schatz D, Sosenko J, Wentworth J, Wherrett D, Wilson D, Winter W, Ziegler A, Anderson M, Antinozzi P, Benoist C, Blum J, Bourcier K, Chase P, Clare-Salzler M, Clynes R, Eisenbarth G, Fathman C, Grave G, Hering B, Insel R, Kaufman F, Kay T, Leschek E, Mahon J, Marks J, Nanto-Salonen K, Nepom G, Orban T, Parkman R, Pescovitz M, Peyman J, Pugliese A, Roep B, Roncarolo M, Savage P, Simell O, Sherwin R, Siegelman M, Skyler J, Steck A, Thomas J, Trucco M, Wagner J, Krischer JP, Leschek E, Rafkin L, Bourcier K, Cowie C, Foulkes M, Insel R, Krause-Steinrauf H, Lachin JM, Malozowski S, Peyman J, Ridge J, Savage P, Skyler JS, Zafonte SJ, Rafkin L, Sosenko JM, Kenyon NS, Santiago I, Krischer JP, Bundy B, Abbondondolo M, Dixit S, Pasha M, King K, Adcock H, Atterberry L, Fox K, Englert N, Mauras J, Permuy K, Sikes T, Adams T, Berhe B, Guendling L, McLennan L, Paganessi C, Murphy M, Draznin M, Kamboj S, Sheppard V, Lewis L, Coates W, Amado D, Moore G, Babar J, Bedard D, Brenson-Hughes J, Cernich M, Clements R, Duprau S, Goodman L, Hester L, Huerta-Saenz A, Asif I, Karmazin T, Letjen S, Raman D, Morin W, Bestermann E, Morawski J, White A, Brockmyer R, Bays S, Campbell A, Boonstra M, Stapleton N, Stone A, Donoho H, Everett H, Hensley M, Johnson C, Marshall N, Skirvin P, Taylor R, Williams L, Burroughs C, Ray C, Wolverton D, Nickels C, Dothard P, Speiser M, Pellizzari L, Bokor K, Izuora S, Abdelnour P, Cummings S, Cuthbertson D, Paynor M, Leahy M, Riedl S, Shockley R, Saad T, Briones S, Casella C, Herz K, Walsh J, Greening F, Deemer M, Hay S, Hunt N, Sikotra L, Simons D, Karounos R, Oremus L, Dye L, Myers D, Ballard W, Miers R, Eberhard C, Sparks K, Thraikill K, Edwards J, Fowlkes S, Kemp A, Morales L, Holland L, Johnson P, Paul A, Ghatak K, Fiske S, Phelen H, Leyland T, Henderson D, Brenner E, Oppenheimer I, Mamkin C, Moniz C, Clarson M, Lovell A, Peters V, Ford J, Ruelas D, Borut D, Burt M, Jordan S, Castilla P, Flores M, Ruiz L, Hanson J, Green-Blair R, Sheridan K, Garmeson J, Wintergerst G, Pierce A, Omoruyi M, Foster S, Kingery A, Lunsford I, Cervantes T, Parker P, Price J, Urben I, Guillette H, Doughty H, Haydock V, Parker P, Bergman S, Duncum C, Rodda A, Perelman R, Calendo C, Barrera E, Arce-Nunez Y, Geyer S, Martinez M, De la Portilla I, Cardenas L, Garrido M, Villar R, Lorini E, Calandra G, D’Annuzio K, Perri N, Minuto C, Hays B, Rebora R, Callegari O, Ali J, Kramer B, Auble S, Cabrera P, Donohoue R, Fiallo-Scharer M, Hessner P, Wolfgram A, Henderson C, Kansra N, Bettin R, McCuller A, Miller S, Accacha J, Corrigan E, Fiore R, Levine T, Mahoney C, Polychronakos V, Henry M, Gagne H, Starkman M, Fox D, Chin F, Melchionne L, Silverman I, Marshall L, Cerracchio J, Cruz A, Viswanathan J, Heyman K, Wilson S, Chalew S, Valley S, Layburn A, Lala P, Clesi M, Genet G, Uwaifo A, Charron T, Allerton W, Hsiao B, Cefalu L, Melendez-Ramirez R, Richards C, Alleyn E, Gustafson M, Lizanna J, Wahlen S, Aleiwe M, Hansen H, Wahlen C, Karges C, Levy A, Bonaccorso R, Rapaport Y, Tomer D, Chia M, Goldis L, Iazzetti M, Klein C, Levister L, Waldman E, Keaton N, Wallach M, Regelmann Z, Antal M, Aranda C, Reynholds A, Vinik P, Barlow M, Bourcier M, Nevoret J, Couper S, Kinderman A, Beresford N, Thalagne H, Roper J, Gibbons J, Hill S, Balleaut C, Brennan J, Ellis-Gage L, Fear T, Gray L, Law P, Jones C, McNerney L, Pointer N, Price K, Few D, Tomlinson N, Leech D, Wake C, Owens M, Burns J, Leinbach A, Wotherspoon A, Murray K, Short G, Curry S, Kelsey J, Lawson J, Porter S, Stevens E, Thomson S, Winship L, Liu S, Wynn E, Wiltshire J, Krebs P, Cresswell H, Faherty C, Ross L, Denvir J, Drew T, Randell P, Mansell S, Lloyd J, Bell S, Butler Y, Hooton H, Navarra A, Roper G, Babington L, Crate H, Cripps A, Ledlie C, Moulds R, Malloy J, Norton B, Petrova O, Silkstone C, Smith K, Ghai M, Murray V, Viswanathan M, Henegan O, Kawadry J, Olson L, Maddox K, Patterson T, Ahmad B, Flores D, Domek S, Domek K, Copeland M, George J, Less T, Davis M, Short A, Martin J, Dwarakanathan P, O’Donnell B, Boerner L, Larson M, Phillips M, Rendell K, Larson C, Smith K, Zebrowski L, Kuechenmeister M, Miller J, Thevarayapillai M, Daniels H, Speer N, Forghani R, Quintana C, Reh A, Bhangoo P, Desrosiers L, Ireland T, Misla C, Milliot E, Torres S, Wells J, Villar M, Yu D, Berry D, Cook J, Soder A, Powell M, Ng M, Morrison Z, Moore M, Haslam M, Lawson B, Bradley J, Courtney C, Richardson C, Watson E, Keely D, DeCurtis M, Vaccarcello-Cruz Z, Torres K, Muller S, Sandberg H, Hsiang B, Joy D, McCormick A, Powell H, Jones J, Bell S, Hargadon S, Hudson M, Kummer S, Nguyen T, Sauder E, Sutton K, Gensel R, 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Manning G, Hendry B, Taylor S, Jones W, Strader M, Bencomo T, Bailey L, Bedolla C, Roldan C, Moudiotis B, Vaidya C, Anning S, Bunce S, Estcourt E, Folland E, Gordon C, Harrill J, Ireland J, Piper L, Scaife K, Sutton S, Wilkins M, Costelloe J, Palmer L, Casas C, Miller M, Burgard C, Erickson J, Hallanger-Johnson P, Clark W, Taylor A, Lafferty S, Gillett C, Nolan M, Pathak L, Sondrol T, Hjelle S, Hafner J, Kotrba R, Hendrickson A, Cemeroglu T, Symington M, Daniel Y, Appiagyei-Dankah D, Postellon M, Racine L, Kleis K, Barnes S, Godwin H, McCullough K, Shaheen G, Buck L, Noel M, Warren S, Weber S, Parker I, Gillespie B, Nelson C, Frost J, Amrhein E, Moreland A, Hayes J, Peggram J, Aisenberg M, Riordan J, Zasa E, Cummings K, Scott T, Pinto A, Mokashi K, McAssey E, Helden P, Hammond L, Dinning S, Rahman S, Ray C, Dimicri S, Guppy H, Nielsen C, Vogel C, Ariza L, Morales Y, Chang R, Gabbay L, Ambrocio L, Manley R, Nemery W, Charlton P, Smith L, Kerr B, Steindel-Kopp M, Alamaguer D, Liljenquist G, Browning T, Coughenour M, Sulk E, Tsalikan M, Tansey J, Cabbage N. Identical and Nonidentical Twins: Risk and Factors Involved in Development of Islet Autoimmunity and Type 1 Diabetes. Diabetes Care 2019; 42:192-199. [PMID: 30061316 PMCID: PMC6341285 DOI: 10.2337/dc18-0288] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 06/28/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE There are variable reports of risk of concordance for progression to islet autoantibodies and type 1 diabetes in identical twins after one twin is diagnosed. We examined development of positive autoantibodies and type 1 diabetes and the effects of genetic factors and common environment on autoantibody positivity in identical twins, nonidentical twins, and full siblings. RESEARCH DESIGN AND METHODS Subjects from the TrialNet Pathway to Prevention Study (N = 48,026) were screened from 2004 to 2015 for islet autoantibodies (GAD antibody [GADA], insulinoma-associated antigen 2 [IA-2A], and autoantibodies against insulin [IAA]). Of these subjects, 17,226 (157 identical twins, 283 nonidentical twins, and 16,786 full siblings) were followed for autoantibody positivity or type 1 diabetes for a median of 2.1 years. RESULTS At screening, identical twins were more likely to have positive GADA, IA-2A, and IAA than nonidentical twins or full siblings (all P < 0.0001). Younger age, male sex, and genetic factors were significant factors for expression of IA-2A, IAA, one or more positive autoantibodies, and two or more positive autoantibodies (all P ≤ 0.03). Initially autoantibody-positive identical twins had a 69% risk of diabetes by 3 years compared with 1.5% for initially autoantibody-negative identical twins. In nonidentical twins, type 1 diabetes risk by 3 years was 72% for initially multiple autoantibody-positive, 13% for single autoantibody-positive, and 0% for initially autoantibody-negative nonidentical twins. Full siblings had a 3-year type 1 diabetes risk of 47% for multiple autoantibody-positive, 12% for single autoantibody-positive, and 0.5% for initially autoantibody-negative subjects. CONCLUSIONS Risk of type 1 diabetes at 3 years is high for initially multiple and single autoantibody-positive identical twins and multiple autoantibody-positive nonidentical twins. Genetic predisposition, age, and male sex are significant risk factors for development of positive autoantibodies in twins.
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Affiliation(s)
- Taylor M. Triolo
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Alexandra Fouts
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Laura Pyle
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO
| | - Liping Yu
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Peter A. Gottlieb
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Andrea K. Steck
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
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Hava D, Tan L, Johnson P, Curran A, Perry J, Kramer S, Kane K, Bedwell P, Henderson D, Layton G, Singh K, Connor L, Singh D, Roach J. A PHASE 1/1B STUDY OF AN INHALED FORMULATION OF ITRACONAZOLE IN HEALTHY VOLUNTEERS AND ASTHMATICS. Ann Allergy Asthma Immunol 2018. [DOI: 10.1016/j.anai.2018.09.190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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