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Zoni CR, Dean M, Copeland LA, Silverman JR, Lemoine C, Mahajan A, Perna ER, Ravi Y, Sai Sudhakar CB. Relationship between donor ejection fraction, left ventricular wall thickness and mortality in heart transplants recipients. Curr Probl Cardiol 2024; 49:102463. [PMID: 38346610 DOI: 10.1016/j.cpcardiol.2024.102463] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Accepted: 02/09/2024] [Indexed: 02/16/2024]
Abstract
This study explored the impact of donor left ventricular ejection fraction (EF) and left ventricular wall thickness (LVWT) on mortality among heart transplant (HTx) recipients. Utilizing data from the United Network for Organ Sharing (UNOS) registry, adult HTx recipients between 2006-2022 were analyzed. Patients were categorized into four groups based on donor EF(>50 % or ≤50 %) and LVWT(<1.4 cm or ≥1.4 cm). 21,012 patients were included. There were significant differences in baseline characteristics among the groups. Unadjusted mortality was 6.3 %, 6.0 %, 6.0 %, and 2.4 %(p=0.86) at 30-days; 16.2 %, 13.5 %, 16.8 %, and 7.3 %(p=0.08) at 1-year; and 32.2 %, 29.2 %, 35.4 %, and 29.0 %(p=0.18) at 5-years, respectively. In addition, adjusted mortality did not differ across the groups. There were no significant differences in recipient mortality in groups based on donor EF and LVWT. Expanding the donor selection criteria would allow for increase in the donor pool and assist in decreasing the mortality, while on the waitlist for HTx.
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Affiliation(s)
- Cesar Rodrigo Zoni
- University of Connecticut School of Medicine, Connecticut, United States; Department of Surgery-Division of Cardiothoracic Surgery, UConn Health, Connecticut, United States
| | - Matthew Dean
- Virginia Commonwealth University Health System Internal Medicine Residency, Virginia, United States
| | - Laurel A Copeland
- VA Central Western Massachusetts Healthcare System, Massachusetts, United States; Department of Population Health and Quantitative Health Sciences, University of Massachusetts Medical School, Massachusetts, United States
| | - Julia R Silverman
- University of Connecticut School of Medicine, Connecticut, United States
| | | | - Aviral Mahajan
- University of Connecticut School of Medicine, Connecticut, United States
| | - Eduardo R Perna
- Instituto de Cardiología de Corrientes "Juana F. Cabral", Corrientes, Argentina
| | - Yazhini Ravi
- University of Connecticut School of Medicine, Connecticut, United States; Department of Surgery-Division of Cardiothoracic Surgery, UConn Health, Connecticut, United States.
| | - Chittoor B Sai Sudhakar
- University of Connecticut School of Medicine, Connecticut, United States; Department of Surgery-Division of Cardiothoracic Surgery, UConn Health, Connecticut, United States
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Van den Dop LM, Van Rooijen MMJ, Tollens T, Jørgensen LN, De Vries-Reilingh TS, Piessen G, Köckerling F, Miserez M, Dean M, Berrevoet F, Dousset B, Van Westreenen HL, Gossetti F, Tetteroo GWM, Koch A, Boomsma MF, Lange JF, Jeekel J. Five-Year Follow-Up of a Slowly Resorbable Biosynthetic P4HB Mesh (Phasix) in VHWG Grade 3 Incisional Hernia Repair. Ann Surg Open 2023; 4:e366. [PMID: 38144487 PMCID: PMC10735126 DOI: 10.1097/as9.0000000000000366] [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] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 11/02/2023] [Indexed: 12/26/2023] Open
Abstract
Objective To assess the 5-year recurrence rate of incisional hernia repair in Ventral Hernia Working Group (VHWG) 3 hernia with a slowly resorbable mesh. Summary Background Data Incisional hernia recurs frequently after initial repair. In potentially contaminated hernia, recurrences rise to 40%. Recently, the biosynthetic Phasix mesh has been developed that is resorbed in 12-18 months. Resorbable meshes might be a solution for incisional hernia repair to decrease short- and long-term (mesh) complications. However, long-term outcomes after resorption are scarce. Methods Patients with VHWG grade 3 incisional midline hernia, who participated in the Phasix trial (Clinilcaltrials.gov: NCT02720042) were included by means of physical examination and computed tomography (CT). Primary outcome was hernia recurrence; secondary outcomes comprised of long-term mesh complications, reoperations, and abdominal wall pain [visual analogue score (VAS): 0-10]. Results In total, 61/84 (72.6%) patients were seen. Median follow-up time was 60.0 [interquartile range (IQR): 55-64] months. CT scan was made in 39 patients (68.4%). A recurrence rate of 15.9% (95% confidence interval: 6.9-24.8) was calculated after 5 years. Four new recurrences (6.6%) were found between 2 and 5 years. Two were asymptomatic. In total, 13/84 recurrences were found. No long-term mesh complications and/or interventions occurred. VAS scores were 0 (IQR: 0-2). Conclusions Hernia repair with Phasix mesh in high-risk patients (VHWG 3, body mass index >28) demonstrated a recurrence rate of 15.9%, low pain scores, no mesh-related complications or reoperations for chronic pain between the 2- and 5-year follow-up. Four new recurrences occurred, 2 were asymptomatic. The poly-4-hydroxybutyrate mesh is a safe mesh for hernia repair in VHWG 3 patients, which avoids long-term mesh complications like pain and mesh infection.
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Affiliation(s)
- L M Van den Dop
- From the Department of Surgery, Erasmus University Medical Centre, Rotterdam, the Netherlands
| | - M M J Van Rooijen
- From the Department of Surgery, Erasmus University Medical Centre, Rotterdam, the Netherlands
| | - T Tollens
- Department of Surgery, Imelda Hospital, Bonheiden, Belgium
| | - L N Jørgensen
- Department of Surgery, Bispebjerg Hospital, Copenhagen, Denmark
| | | | - G Piessen
- Department of Surgery, University Hospital Lille, Lille, France
| | - F Köckerling
- Department of Surgery, Vivantes Klinikum Spandau, Berlin, Germany
| | - M Miserez
- Department of Abdominal Surgery, University Hospital Leuven, Leuven, Belgium
| | - M Dean
- Department of Surgery, University College London Hospital, London, United Kingdom
| | - F Berrevoet
- Department of Surgery, University Hospital Gent, Gent, Belgium
| | - B Dousset
- Department of Surgery, Hôpital Cochin, Paris, France
| | | | - F Gossetti
- Department of Surgery, Università di Roma Sapienza, Rome, Italy
| | - G W M Tetteroo
- Department of Surgery, IJsselland Hospital, Capelle aan den IJssel, the Netherlands
| | - A Koch
- Department of Surgery, Chirurgische Praxis Ärztehaus, Cottbus, Germany
| | - M F Boomsma
- Department of Radiology, Isala hospital, Zwolle, the Netherlands
| | - J F Lange
- From the Department of Surgery, Erasmus University Medical Centre, Rotterdam, the Netherlands
| | - J Jeekel
- From the Department of Surgery, Erasmus University Medical Centre, Rotterdam, the Netherlands
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Chen Z, Dean M. Endometrial Glucose Metabolism During Early Pregnancy. Reprod Fertil 2023; 4:RAF-23-0016. [PMID: 37934727 PMCID: PMC10762551 DOI: 10.1530/raf-23-0016] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 11/07/2023] [Indexed: 11/09/2023] Open
Abstract
Approximately 50% of human pregnancies humans fail, most before or during implantation. One factor contributing to pregnancy loss is abnormal glucose metabolism in the endometrium. Glucose contributes to preimplantation embryo development, uterine receptivity, and attachment of the embryo. Across multiple species, the epithelium stores glucose as the macromolecule glycogen at estrus. This reserve is mobilized during the preimplantation period. Glucose from circulation or glycogenolysis can be secreted into the uterine lumen for use by the embryo or metabolized via glycolysis, producing ATP for the cell. The resulting pyruvate could be converted to lactate, another important nutrient for the embryo. Fructose is an important nutrient for early embryos, and the epithelium and placenta can convert glucose to fructose via the polyol pathway. The epithelium also uses glucose to glycosylate proteins, which regulates embryo attachment. In some species, decidualization of the stroma is critical to successful implantation. Formation of the decidua requires increased glucose metabolism via the pentose phosphate pathway and glycolysis. After decidualization, the cells switch to aerobic glycolysis to produce ATP. Paradoxically, the decidua also stores large amounts of glucose as glycogen. Too little glucose or an inability to take up glucose impairs embryo development and decidualization. Conversely, too much glucose inhibits these same processes. This likely contributes to the reduced pregnancy rates associated with conditions like obesity and diabetes. Collectively, precise control of glucose metabolism is important for several endometrial processes required to establish a successful pregnancy. The factors regulating these metabolic processes remain poorly understood.
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Affiliation(s)
- Ziting Chen
- Department of Animal Science, University of Illinois, Urbana-Champaign, Urbana, Illinois, USA
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, Michigan, USA
| | - Matthew Dean
- Department of Animal Science, University of Illinois, Urbana-Champaign, Urbana, Illinois, USA
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Dean M, Kim MJ, Dimauro S, Tannenbaum S, Graham G, Liang BT, Kim AS. Cardiac and noncardiac biomarkers in patients undergoing anthracycline chemotherapy - a prospective analysis. Cardiooncology 2023; 9:23. [PMID: 37106424 PMCID: PMC10133897 DOI: 10.1186/s40959-023-00174-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 04/18/2023] [Indexed: 04/29/2023]
Abstract
BACKGROUND Biomarkers represent a potential tool to identify individuals at risk for anthracycline-induced cardiotoxicity (AICT) prior to symptom onset or left ventricular dysfunction. METHODS This study examined the levels of cardiac and noncardiac biomarkers before, after the last dose of, and 3-6 months after completion of doxorubicin chemotherapy. Cardiac biomarkers included 5th generation high-sensitivity cardiac troponin T (cTnT), N-terminal pro-brain natriuretic peptide, growth/differentiation factor-15 (GDF-15), and soluble suppression of tumorigenesis-2 (sST2). Noncardiac biomarkers included activated caspase-1 (CASP-1), activated caspase-3, C-reactive protein, tumor necrosis factor-α, myeloperoxidase (MPO), galectin-3, and 8-hydroxy-2'-deoxyguanosine. Echocardiographic data (LVEF and LVGLS) were obtained at pre- and post-chemotherapy. Subanalysis examined interval changes in biomarkers among high (cumulative doxorubicin dose ≥ 250 mg/m2) and low exposure groups. RESULTS The cardiac biomarkers cTnT, GDF-15, and sST2 and the noncardiac biomarkers CASP-1 and MPO demonstrated significant changes over time. cTnT and GDF-15 levels increased after anthracycline exposure, while CASP-1 and MPO decreased significantly. Subanalysis by cumulative dose did not demonstrate a larger increase in any biomarker in the high-dose group. CONCLUSIONS The results identify biomarkers with significant interval changes in response to anthracycline therapy. Further research is needed to understand the clinical utility of these novel biomarkers.
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Affiliation(s)
- Matthew Dean
- Department of Medicine, Calhoun Cardiology Center, University of Connecticut School of Medicine, 263 Farmington Avenue, Farmington, CT, 06030, USA
- Virginia Commonwealth University Health System Internal Medicine Residency, 1101 E. Marshall St, Richmond, VA, 23298, USA
| | - Min Jung Kim
- Department of Medicine, Calhoun Cardiology Center, University of Connecticut School of Medicine, 263 Farmington Avenue, Farmington, CT, 06030, USA
- Pat and Jim Calhoun Cardiology Center, UConn Health, 300 UConn Health Boulevard, Farmington, CT, USA
| | - Sharon Dimauro
- Pat and Jim Calhoun Cardiology Center, UConn Health, 300 UConn Health Boulevard, Farmington, CT, USA
| | - Susan Tannenbaum
- Department of Medicine, Calhoun Cardiology Center, University of Connecticut School of Medicine, 263 Farmington Avenue, Farmington, CT, 06030, USA
- Carole & Ray Neag Comprehensive Cancer Center, UConn Health, 263 Farmington Avenue, Farmington, CT, 06030, USA
| | - Garth Graham
- Department of Medicine, Calhoun Cardiology Center, University of Connecticut School of Medicine, 263 Farmington Avenue, Farmington, CT, 06030, USA
| | - Bruce T Liang
- Department of Medicine, Calhoun Cardiology Center, University of Connecticut School of Medicine, 263 Farmington Avenue, Farmington, CT, 06030, USA
- Pat and Jim Calhoun Cardiology Center, UConn Health, 300 UConn Health Boulevard, Farmington, CT, USA
| | - Agnes S Kim
- Department of Medicine, Calhoun Cardiology Center, University of Connecticut School of Medicine, 263 Farmington Avenue, Farmington, CT, 06030, USA.
- Pat and Jim Calhoun Cardiology Center, UConn Health, 300 UConn Health Boulevard, Farmington, CT, USA.
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Del Valle Diaz F, Dean M, Lemoine C, Copeland L, Silverman J, Zoni C, Raines T, Ravi Y, Sai-Sudhakar C. Donor Cause of Death and Ejection Fraction in Heart Transplant Recipients. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.1297] [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: 04/05/2023] Open
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6
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Dean M, Zoni CR, Copeland LA, Pickett C, Sudhakar CBS, Ravi Y. Retrospective analysis of the impact of pre-transplant implantable cardioverter-defibrillator status on long-term prognosis in heart transplant patients. Clin Transplant 2023; 37:e14842. [PMID: 36346070 DOI: 10.1111/ctr.14842] [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: 08/09/2022] [Revised: 10/07/2022] [Accepted: 10/21/2022] [Indexed: 11/11/2022]
Abstract
BACKGROUND Sudden cardiac death (SCD) post-heart transplantation affects 8%-35% of patients; however, the risk profile remains to be completely elucidated. While pre-transplant ICDs are typically removed during transplantation, no information exists to suggest if this pre-transplant risk stratification is also associated with post-transplant outcomes. The objective of this study was to assess the impact of pre-transplant ICD status on long-term prognosis post-heart transplant. METHODS The United Network for Organ Sharing registry was queried for all adult heart transplant recipients from 2010 to 2018. Patients were categorized as with versus without ICD prior to heart transplantation. Survival was compared using Kaplan-Meier analysis. Proportional hazards regression analysis assessed the impact of ICDs adjusting for clinical and demographic covariates. RESULTS Of 19 026 patients included, 78.6% (n = 14 960) had received an ICD at time of registration. Patients with an ICD were older [54.9 (±11.6) years vs. 48.6 (±15.3) years, p < .001], less likely to be female [25.7% (n = 3842) vs. 31.2% (n = 1269), p < .001], and more commonly diabetic [29.3% (n = 4376) vs 23.5% (n = 954), p < .001]. Kaplan-Meier analysis showed no difference in unadjusted survival trajectory by ICD status (chi-square = .48, p = .49). Survival was unrelated to ICD status in the multivariable model (HR = .98; 95% CI .90-1.07). CONCLUSIONS Patients receiving an ICD pre-transplant had a higher prevalence of risk factors for SCD than non-ICD patients, yet ICD status prior to heart transplantation was not associated with a change in long-term prognosis post-heart transplantation.
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Affiliation(s)
- Matthew Dean
- University of Connecticut School of Medicine, Farmington, Connecticut, USA.,Virginia Commonwealth University Health System Internal Medicine Residency, Richmond, Virginia, USA
| | - Cesar Rodrigo Zoni
- University of Connecticut School of Medicine, Farmington, Connecticut, USA.,Department of Cardiothoracic Surgery-Department of Surgery UConn Health, Farmington, Connecticut, USA
| | - Laurel A Copeland
- VA Central Western Massachusetts Healthcare System, Northampton, Massachusetts, USA.,Department of Population Health and Quantitative Health Sciences, University of Massachusetts Medical School, Worcester, Massachusetts, USA
| | - Christopher Pickett
- University of Connecticut School of Medicine, Farmington, Connecticut, USA.,Calhoun Cardiology Center, University of Connecticut Health Center, Farmington, Connecticut, USA
| | - Chittoor B Sai Sudhakar
- University of Connecticut School of Medicine, Farmington, Connecticut, USA.,Department of Cardiothoracic Surgery-Department of Surgery UConn Health, Farmington, Connecticut, USA
| | - Yazhini Ravi
- University of Connecticut School of Medicine, Farmington, Connecticut, USA.,Department of Cardiothoracic Surgery-Department of Surgery UConn Health, Farmington, Connecticut, USA
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7
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Van Den Dop M, Tollens T, Jørgensen L, De Vries-Reilingh T, Piessen G, Köckerling F, Miserez M, Dean M, Berrevoet F, Dousset B, Van Westreenen G, Gosetti F, Lange J, Tetteroo G, Jeekel H. OC-053 LONG-TERM FOLLOW-UP OF A SLOWLY RESORBABLE BIOSYNTHETIC MESH IN VHWG GRADE 3 HERNIA REPAIR. Br J Surg 2022. [DOI: 10.1093/bjs/znac308.065] [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] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Background
Incisional hernia recurrence occurs frequently after initial repair. In potentially contaminated hernia, these numbers can rise up to 50%. Recently, resorbable meshes have been used to prevent infection in complicated incisional hernia and prevent long term mesh complications. Present study focuses on the long term outcomes of a resorbable mesh.
Methods
Patients included in the priorly conducted Phasix trial with Ventral Hernia Working Group (VHWG) grade 3 hernia were invited for an abdominal CT scan and physical examination. Primary outcome was hernia recurrence, secondary outcomes comprised of abdominal wall configuration, mesh resorption and long term mesh complications.
Results
Of the 84 patients included in the 2-year follow-up, 56 were available for long term follow-up up to five years. Mean follow-up time was 4.2 years. CT scan was made in 36 (64.3%) of patients. Kaplan-Meier analysis showed a recurrence rate of 16.7% after five years. Four (7.1%) new recurrences were found between 2-year and 4.2 years follow-up of which three by CT scan. In 50% of CT scans, no signs of postoperative distortions of the abdominal wall were observed. No long term mesh complications were reported.
Conclusion
After long term follow-up, VHWG 3 hernia repair with biosynthetic mesh demonstrated good performance with regard to hernia recurrence. Possibly, tissue reconstruction took place in the first two years after implantation by the use it or lose it principle, which led to sufficient native abdominal wall strength to prevent recurrences after resorption of the mesh.
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Affiliation(s)
- M Van Den Dop
- Surgery, Erasmus University Medical Centre , Rotterdam , Netherlands
| | - T Tollens
- Surgery, Imelda hospital , Bonheiden , Belgium
| | - L Jørgensen
- Surgery, Bispebjerg Hospital , Copenhagen , Denmark
| | | | - G Piessen
- Surgery, University Hospital Lille , Lille , France
| | - F Köckerling
- Surgery, Vivantes Klinikum Spandau , Berlin , Germany
| | - M Miserez
- Abdominal Surgery, University Hospital Leuven , Leuven , Belgium
| | - M Dean
- Surgery, University College London Hospital , London , United Kingdom
| | - F Berrevoet
- Surgery, University Hospital Gent , Gent , Belgium
| | - B Dousset
- Digsetive, hepatobiliary and Endocrine surgery , Hôpital Cochin, Paris , France
| | | | - F Gosetti
- Surgery, Università di Roma Sapienza , Rome , Italy
| | - J Lange
- Surgery, Erasmus University Medical Centre , Rotterdam , Netherlands
| | - G Tetteroo
- Surgery, IJsselland hospital , Capelle aan den IJssel , Netherlands
| | - H Jeekel
- Surgery, Erasmus University Medical Centre , Rotterdam , Netherlands
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Gibson A, Dean M, Elegbede A, Pabani A, Bebb G, Cheung W. EP05.02-001 Early Treatment Failure Of Consolidation Durvalumab for Unresectable Stage III NSCLC: A Real-World Canadian Cohort. J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.483] [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: 11/26/2022]
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Litt I, Gibson A, Dean M, Elegbede A, Bebb G, Cheung W, Pabani A. EP08.02-071 Brain Metastases in EGFR-mutant NSCLC: Outcome of Osimertinib +/- Radiation Therapy in a Real-World Canadian Cohort. J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.753] [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: 10/14/2022]
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10
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Gibson A, Litt I, Hao D, Dean M, Elegbede A, Bebb G, Pabani A, Cheung W. EP08.02-014 Impact of East Asian Ancestry on Response to First-Line Osimertinib: A Real-World Canadian Cohort. J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.696] [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]
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Ford-Sahibzada C, Dean M, Peters C, Brenner D, Gibson A, D'Silva A, Elegbede A, Tudor R, Bebb G, Cheung W. EP04.02-001 Sex as a Potential Independent Prognostic Factor in Non-Small Cell Lung Cancer Survival. J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.441] [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: 11/30/2022]
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12
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Chen Z, Sandoval K, Dean M. Endometrial glycogen metabolism during early pregnancy in mice. Mol Reprod Dev 2022; 89:431-440. [PMID: 35842832 PMCID: PMC9796177 DOI: 10.1002/mrd.23634] [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: 02/21/2022] [Revised: 06/28/2022] [Accepted: 06/30/2022] [Indexed: 01/01/2023]
Abstract
Glucose is critical during early pregnancy. The uterus can store glucose as glycogen but uterine glycogen metabolism is poorly understood. This study analyzed glycogen storage and localization of glycogen metabolizing enzymes from proestrus until implantation in the murine uterus. Quantification of diastase-labile periodic acid-Schiff (PAS) staining showed glycogen in the glandular epithelium decreased 71.4% at 1.5 days postcoitum (DPC) and 62.13% at DPC 3.5 compared to proestrus. In the luminal epithelium, glycogen was the highest at proestrus, decreased 46.2% at DPC 1.5 and 63.2% at DPC 3.5. Immunostaining showed that before implantation, glycogen metabolizing enzymes were primarily localized to the glandular and luminal epithelium. Stromal glycogen was low from proestrus to DPC 3.5. However, at the DPC 5.5 implantation sites, stromal glycogen levels increased sevenfold. Similarly, artificial decidualization resulted in a fivefold increase in glycogen levels. In both models, decidualization increased expression of glycogen synthase as determine by immunohistochemistry and western blot. In conclusion, glycogen levels decreased in the uterine epithelium before implantation, indicating that it could be used to support preimplantation embryos. Decidualization resulted in a dramatic increase in stromal glycogen levels, suggesting it may have an important, but yet undefined, role in pregnancy.
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Affiliation(s)
- Ziting Chen
- Department of Animal ScienceUniversity of Illinois Urbana‐ChampaignUrbanaIllinoisUSA
| | - Kassandra Sandoval
- Department of Animal ScienceUniversity of Illinois Urbana‐ChampaignUrbanaIllinoisUSA
| | - Matthew Dean
- Department of Animal ScienceUniversity of Illinois Urbana‐ChampaignUrbanaIllinoisUSA
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Gonzalez A, Berg MD, Southey B, Dean M. Effect of estradiol and IGF1 on glycogen synthesis in bovine uterine epithelial cells. Reproduction 2022; 164:97-108. [PMID: 35900330 DOI: 10.1530/rep-22-0040] [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] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 07/14/2022] [Indexed: 11/08/2022]
Abstract
In brief Glucose is an important nutrient for the endometrium and embryo during pregnancy. This study shows that estradiol (E2)/IGF1 signaling stimulates glycogen synthesis in the uterine epithelium of cows, which could provide glucose when needed. Abstract Glycogen storage in the uterine epithelium peaks near estrus and is a potential source of glucose for the endometrium and embryos. However, the hormonal regulation of glycogen synthesis in the uterine epithelium is poorly understood. Our objective was to evaluate the effect of E2 and insulin-like growth factor 1 (IGF1) on glycogenesis in immortalized bovine uterine epithelial (BUTE) cells. Treatment of BUTE cells with E2 (0.1-10 nM) did not increase glycogen levels. However, treatment of BUTE cells with IGF1 (50 or 100 ng/mL) resulted in a >2-fold increase in glycogen. To determine if the uterine stroma produced IGF1 in response to E2, bovine uterine fibroblasts were treated with E2, which increased IGF1 levels. Immunohistochemistry showed higher levels of IGF1 in the stroma on day 1 than on day 11, which coincides with higher glycogen levels in the uterine epithelium. Western blots revealed that IGF1 treatment increased the levels of phospho-AKT, phospho-GSKβ, hexokinase 1, and glycogen synthase in BUTE cells. Metabolomic (GC-MS) analysis showed that IGF1 increased 3-phosphoglycerate and lactate, potentially indicative of increased flux through glycolysis. We also found higher levels of N-acetyl-glucosamine and protein glycosylation after IGF1 treatment, indicating increased hexosamine biosynthetic pathway activity. In conclusion, IGF1 is produced by uterine fibroblasts due to E2, and IGF1 increases glucose metabolism and glycogenesis in uterine epithelial cells. Glycogen stored in the uterine epithelium due to E2/IGF1 signaling at estrus could provide glucose to the endometrium or be secreted into the uterine lumen as a component of histotroph.
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Affiliation(s)
- Alexis Gonzalez
- 1Department of Animal Science, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Malia D Berg
- 1Department of Animal Science, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Bruce Southey
- 1Department of Animal Science, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Matthew Dean
- 1Department of Animal Science, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
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14
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Berg MD, Chen Z, Dean M. Establishment and characterization of epithelial and fibroblast cell lines from the bovine endometrium. In Vitro Cell Dev Biol Anim 2022; 58:8-13. [DOI: 10.1007/s11626-021-00640-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 12/07/2021] [Indexed: 11/05/2022]
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Abstract
Being able to accurately model metastasis is an important tool in cancer research. Several in vitro and ex vivo models have been developed to model metastasis from the ovary to the omentum, the most frequent metastatic site after leaving the ovary. However, the recent discovery that high-grade serous ovarian cancer (HGSOC) can originate in the fallopian tube and then metastasize to the ovary has necessitated the development of assays that can quantify the adhesion of tumor cells to the ovary. Here we describe a protocol for accessing the adhesion of fluorescent cells to mouse ovaries. This assay can be used to investigate the role of ovarian function, hormones, and adhesion molecules in metastasis of cancer cells originating in the fallopian tube to the ovary, an important step in the progression of HGSOC.
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Affiliation(s)
- Matthew Dean
- Department of Animal Science, University of Illinois at Urbana-Champaign, Urbana, IL, USA.
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Polani S, Dean M, Lichter-Peled A, Hendrickson S, Tsang S, Fang X, Feng Y, Qiao W, Avni G, Kahila Bar-Gal G. Sequence Variant in the TRIM39-RPP21 Gene Readthrough is Shared Across a Cohort of Arabian Foals Diagnosed with Juvenile Idiopathic Epilepsy. J Genet Mutat Disord 2022; 1:103. [PMID: 35465405 PMCID: PMC9031527] [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] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Juvenile idiopathic epilepsy (JIE) is a self-limiting neurological disorder with a suspected genetic predisposition affecting young Arabian foals of the Egyptian lineage. The condition is characterized by tonic-clonic seizures with intermittent post-ictal blindness, in which most incidents are sporadic and unrecognized. This study aimed to identify genetic components shared across a local cohort of Arabian foals diagnosed with JIE via a combined whole genome and targeted resequencing approach: Initial whole genome comparisons between a small cohort of nine diagnosed foals (cases) and 27 controls from other horse breeds identified variants uniquely shared amongst the case cohort. Further validation via targeted resequencing of these variants, that pertain to non-intergenic regions, on additional eleven case individuals revealed a single 19bp deletion coupled with a triple-C insertion (Δ19InsCCC) within the TRIM39-RPP21 gene readthrough that was uniquely shared across all case individuals, and absent from three additional Arabian controls. Furthermore, we have confirmed recent findings refuting potential linkage between JIE and other inherited diseases in the Arabian lineage, and refuted the potential linkage between JIE and genes predisposing a similar disorder in human newborns. This is the first study to report a genetic variant to be shared in a sub-population cohort of Arabian foals diagnosed with JIE. Further evaluation of the sensitivity and specificity of the Δ19InsCCC allele within additional cohorts of the Arabian horse is warranted in order to validate its credibility as a marker for JIE, and to ascertain whether it has been introduced into other horse breeds by Arabian ancestry.
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Affiliation(s)
- S Polani
- Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environmental Sciences, The Hebrew University of Jerusalem, Rehovot, Israel
| | - M Dean
- National Cancer Institute, Division of Cancer Epidemiology & Genetics, Laboratory of Translational Genomics, USA
| | - A Lichter-Peled
- Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environmental Sciences, The Hebrew University of Jerusalem, Rehovot, Israel
| | - S Hendrickson
- Department of Biology, Shepherd University, Shepherdstown, USA
| | | | - X Fang
- BGI-Shenzhen, Shenzhen, China
| | - Y Feng
- BGI-Shenzhen, Shenzhen, China
| | - W Qiao
- BGI-Shenzhen, Shenzhen, China
| | - G Avni
- Medisoos Equine Clinic, Kibutz Magal, Israel
| | - G Kahila Bar-Gal
- Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environmental Sciences, The Hebrew University of Jerusalem, Rehovot, Israel
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Abstract
Antimicrobial resistance (AMR) is a global health emergency affecting humans and animals, diminishing the effectiveness of medication used to treat illness. The agri-food sector has attracted increased attention for imprudent antimicrobial use (AMU) and its contribution to AMR. Thus, ascertaining farmers' and veterinarians' behaviours surrounding AMU is essential to address imprudent AMU and generate behaviour change within the agri-food sector. Therefore, the aim of this critical review is to investigate, assess and collate the current body of evidence to identify psychosocial factors including knowledge, understanding, perceptions, attitudes and behaviours surrounding AMU. Database searches were limited to articles utilizing qualitative and quantitative methodologies, available in English with no restriction on publication year. Of the 1156 articles identified, 103 were retained for this review. Findings on the psychosocial aspects were thematically analysed. Five key themes emerged from the data: (i) knowledge and awareness of antimicrobials; (ii) attitudes towards antimicrobials; (iii) influential relationships; (iv) resources; and (v) factors influencing AMU. Results indicated that to overcome barriers experienced by key stakeholders, a carefully considered, evidence-based approach, incorporating behaviour change theory, is required when designing intricate interventions/strategies, in order to elicit successful and sustained AMU behaviour change.
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Affiliation(s)
- C McKernan
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL,UK
| | - T Benson
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL,UK
| | - S Farrell
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL,UK
| | - M Dean
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL,UK
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Elegbede A, Gibson A, Pabani A, Dean M, Bebb G. P63.13 Long Term Survival Characteristics in SCLC Patients Receiving Atezolizumab and Chemotherapy. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.669] [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: 11/30/2022]
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19
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Martos G, Bebb G, Pabani A, Gibson A, Dean M, Petersen L. P59.29 Frequency of PIK3CA Mutations and Therapeutic Outcomes in NSCLC. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.618] [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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Elegbede A, Ezeife D, Gibson A, Dean M, Petersen L, Bebb G. P59.25 Prognostic and Treatment Characteristics of Metastatic KRAS G12C Mutant NSCLC. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.614] [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: 11/25/2022]
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21
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Gibson A, Dean M, Box A, Elegbede A, Bebb G. P59.06 Prognostic Nutritional Index in Real-World Patients Receiving Systemic Therapy for Driver Mutation-Positive Metastatic NSCLC. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.595] [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: 11/28/2022]
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22
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Sandoval K, Berg MD, Guadagnin AR, Cardoso FC, Dean M. Endometrial glycogen metabolism on days 1 and 11 of the reproductive cycle in dairy cows. Anim Reprod Sci 2021; 233:106827. [PMID: 34450335 DOI: 10.1016/j.anireprosci.2021.106827] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 08/17/2021] [Accepted: 08/18/2021] [Indexed: 10/20/2022]
Abstract
Embryos need glucose or fructose to remain viable; however, it is not well understood how secretion of these carbohydrates is regulated. This study was conducted to evaluate endometrial glycogen and associated enzymes on Days 1 and 11 of the estrous cycle (Day 0 = behavioral estrus) in cattle. Diastase-liable periodic acid-Schiff (PAS) staining of luminal epithelia decreased 81 % between Days 1 and 11. Similarly, glycogen content of glandular epithelia was 66 % less on Day 11 than Day 1. There was dense PAS staining in the lumen of some glands, and this staining was removed when there was pretreatment with diastase. Based on western blot results, there was no difference in glycogen metabolizing enzymes between Days 1 and 11. Results from conducting immunohistochemistry procedures indicated hexokinase 1 was more abundant in the epithelial cells than stroma, but immunostaining was not different between Day 1 and 11. In contrast, phospho-glycogen synthase was undetectable on Day 1 but was present in glandular epithelia on Day 11. Glycogen synthase was localized to the epithelia, and was in larger abundance on Day 1. The abundance of glycogen phosphorylase was greater in the epithelium than stroma and on Day 11 than 1. Furthermore, glucose-6-phosphatase 3 was more abundant in the epithelium on both Days 1 and 11. In conclusion, in the uterus of cattle glycogen is stored in a reproductive cycle-dependent manner. Glucose released from endometrial glycogen stores could potentially be utilized by the endometrium or secreted into the uterine lumen.
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Affiliation(s)
- Kassandra Sandoval
- Department of Animal Science, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, United States
| | - Malia D Berg
- Department of Animal Science, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, United States
| | - Anne R Guadagnin
- Department of Animal Science, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, United States
| | - Felipe C Cardoso
- Department of Animal Science, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, United States
| | - Matthew Dean
- Department of Animal Science, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, United States.
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Mejia A, Arias Perez W, Zambrano Y, Gómez Pulgarín S, Tejada Moreno J, Gónzales L, Jaramillo R, Rodas Y, Navarro E, Ossa A, Borrero M, Angel G, Cock-Rada A, Rinaldi S, Romieu I, Dean M, Sanchez G. Frequency and spectrum of mutations in the BRCA1, BRCA2, PALB2, P53, PTEN, CHEK2, CDH1 genes in women from 3 cities of Colombia. Breast 2021. [DOI: 10.1016/s0960-9776(21)00259-9] [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: 10/21/2022] Open
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Gibson A, Tudor R, Dean M, Elegbede A, D'Silva A, Hao D, Bebb D. P89.12 Real World Outcomes in EGFR-Mutant Relapsed and De Novo Stage IV Non-Small Cell Lung Cancer (NSCLC). J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.1278] [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: 11/26/2022]
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25
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Anaka M, Gibson A, Dean M, Elegbede A, Petersen L, Tudor R, Sangha R, Bebb D. FP02.03 Changing Survival and Treatment Patterns in Patients Aged 80 or Older with Stage IV Non-Small Cell Lung Cancer (NSCLC). J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.075] [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: 12/01/2022]
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Elegbede A, Gibson A, Dean M, Box A, Bebb D. P36.05 Metastatic NSCLC Outcomes With Guideline-Recommended Treatment By KRAS Subtype. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.735] [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: 10/21/2022]
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27
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Elegbede A, Gibson A, Dean M, Bebb D. P50.01 A Year Experience With Atezolizumab Plus Chemotherapy For Small Cell Lung Cancer In Alberta, Canada. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.899] [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]
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28
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Gibson A, Dean M, Meyers D, Stukalin I, Morris D, Bebb D. P16.02 Impact of Number and Location of Metastatic Sites on Survival in Stage IV ICI-Treated NSCLC. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.548] [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: 11/24/2022]
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29
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Farrell S, McKernan C, Benson T, Elliott C, Dean M. Understanding farmers' and veterinarians' behavior in relation to antimicrobial use and resistance in dairy cattle: A systematic review. J Dairy Sci 2021; 104:4584-4603. [PMID: 33612225 DOI: 10.3168/jds.2020-19614] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [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: 09/10/2020] [Accepted: 12/11/2020] [Indexed: 11/19/2022]
Abstract
To tackle antimicrobial resistance, it is vital that farmers' and veterinarians' antimicrobial use behaviors and attitudes toward resistance are understood so that we can identify how beliefs and motives influence practices. Current literature details qualitative and quantitative research that explores the knowledge, attitudes and perceptions of dairy farmers and veterinarians with respect to antimicrobial resistance and antimicrobial practices, and the reported findings are varied and conflicting. Our objective was to conduct a systematic review to assess the evidence and knowledge gaps in the published literature. We identified articles via database searches of Embase, Medline, PubMed, Scopus, and Web of Science; we limited findings to published articles available in English with no publication year restrictions. Article screening was conducted at 3 levels: title, abstract, and full text. Of the 349 articles identified, 35 were retained for systematic review. Transparency of reporting was assessed for each study using the Consolidated Criteria for Reporting Qualitative Research (COREQ) framework. Quality was assessed using the Critical Appraisal Skills Programme qualitative checklist. Findings relating to dairy farmers' and veterinarians' knowledge, attitudes, and perceptions on antimicrobial resistance and practices were thematically analyzed. The comprehensiveness of reporting was variable: studies reported 5 to 26 of the 32 COREQ checklist items. Five key themes emerged from the data: knowledge and awareness of antimicrobial resistance; factors influencing farmer and veterinarian decision-making; perceived barriers and facilitators to reduced antimicrobial use; perceived responsibility for antimicrobial resistance; and the role of the farmer and veterinarian relationship in reducing antimicrobial use. Awareness of prudent antimicrobial use was not uniform between studies. Many factors influence farmers' and veterinarians' decisions to use antimicrobials, including animal welfare and available resources. The farmer-veterinarian relationship is a potential barrier or facilitator of reduced antimicrobial use, depending on the perceived relationship dynamic. Encouraging collaboration between farmers and veterinarians could lead to shared responsibility for reducing antimicrobial use. This review provided a coherent picture of what is currently known and identified gaps in the current knowledge to inform future behavioral intervention research. Increased knowledge, skill development, resources, engagement, and further research to address the gaps we identified are the main recommendations to effectively overcome barriers, elicit appropriate behavior change, and achieve reduced antimicrobial use in dairy cattle.
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Affiliation(s)
- S Farrell
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL, United Kingdom
| | - C McKernan
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL, United Kingdom
| | - T Benson
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL, United Kingdom
| | - C Elliott
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL, United Kingdom
| | - M Dean
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL, United Kingdom.
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30
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Ziv-Gal A, Berg MD, Dean M. Paraben exposure alters cell cycle progression and survival of spontaneously immortalized secretory murine oviductal epithelial (MOE) cells. Reprod Toxicol 2020; 100:7-16. [PMID: 33358972 DOI: 10.1016/j.reprotox.2020.12.016] [Citation(s) in RCA: 4] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 11/23/2020] [Accepted: 12/16/2020] [Indexed: 02/02/2023]
Abstract
The mammalian oviduct is a central organ for female reproduction as it is the site of fertilization and it actively transports the embryo to the uterus. The oviduct is responsive to ovarian steroids and thus, it is a potential target of endocrine disrupting chemicals. Parabens are antimicrobial compounds that are prevalently found in daily-used products. However, recent studies suggest that some parabens can impact female reproductive health. Yet, their effects on the oviduct are unknown. Here, we hypothesized that in vitro exposure of immortalized murine oviductal secretory epithelial (MOE) cells to methylparaben or propylparaben will result in disrupted cell cycle progression and increased cell death by dysregulation of molecular mechanisms that involve the cell cycle and apoptosis. Thus, we examined the effects of exposure to parabens on cell proliferation, cell cycle progression by flow cytometry, and mRNA levels of major cell cycle regulators and apoptotic factors, in MOE cells. Protein levels of estrogen and progesterone receptors were also quantified. Differences between treatments and controls were analyzed by linear mixed model followed by Dunnett post-hoc tests. The results indicate that methylparaben and propylparaben selectively reduce MOE cellular proliferation and colony numbers, compared to controls. Additionally, paraben exposure selectively dysregulates the progression through the cell cycle and decreases the levels of cell cycle regulators, compared to controls. Last, paraben selectively alters the levels of progesterone receptor. Overall, these findings suggest that parabens can affect mouse oviductal secretory epithelial cell proliferation and survival.
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Affiliation(s)
- Ayelet Ziv-Gal
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, IL, USA.
| | - Malia D Berg
- Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, USA.
| | - Matthew Dean
- Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, USA.
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Dean M. Glycogen in the uterus and fallopian tubes is an important source of glucose during early pregnancy†. Biol Reprod 2020; 101:297-305. [PMID: 31201425 DOI: 10.1093/biolre/ioz102] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [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: 03/15/2019] [Revised: 05/16/2019] [Accepted: 06/06/2019] [Indexed: 01/02/2023] Open
Abstract
Pregnancy loss is common during the peri-implantation period in mammals when glucose is required for both embryonic development and decidualization of the endometrium. As the uterus cannot synthesize glucose, all glucose must come directly from maternal circulation as needed or transiently stored as the macromolecule glycogen. Glycogen acts as a glucose reservoir, storing up to 55 000 glucose moieties per molecule. Endometrial glycogen concentrations are correlated with fertility in humans, indicating that glycogen is an essential source of glucose during early pregnancy. In humans and primates, endometrial glycogen concentrations peak during the luteal phase due to progesterone. In contrast, in rats and mink, estradiol triggers an accumulation of uterine glycogen during proestrus and estrus. In mated rats, the glycogen content of the endometrium increases again after implantation due to high levels of glycogen stored in the decidua. In mink, endometrial glycogen reserves are localized in the uterine epithelia at estrus. These reserves are mobilized before implantation, suggesting they are used to support embryonic growth. Uterine glycogen concentrations continue to decrease after implantation in mink, probably due to a lack of decidualization. How ovarian steroids stimulate glycogenesis in the endometrium is unclear, but current evidence suggests that estradiol/progesterone interacts with insulin or insulin-like growth factor signaling. In summary, endometrial glycogen is an essential source of glucose during the peri-implantation period. More work is needed to characterize differences among species, elucidate the fate of the glucose liberated from glycogen, and understand how ovarian steroids regulate glycogen metabolism in the uterus.
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Affiliation(s)
- Matthew Dean
- Department of Animal Science, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
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32
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Hossain F, Ucar DA, Sanchez-Pino M, Dean M, Majumder S, Wyczechowska D, Monticone G, Sabol R, Xu K, Valle LD, Zabaleta J, Bunnell B, Miele L. Abstract 3866: Investigating tumor infiltrating immune cells signature in obese triple negative breast cancer. Cancer Res 2020. [DOI: 10.1158/1538-7445.am2020-3866] [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] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Triple negative breast cancer (TNBC) is a heterogeneous group of clinically aggressive breast cancers and TNBC patients are pathologically negative for estrogen receptor (ER−), progesterone receptor (PR−), and human epidermal growth factor receptor 2 (HER2−) amplification, which impedes the use of targeted therapies used in other breast cancer subtypes. Obesity is a chronic state of inflammation and is associated with increased secretion of pro-inflammatory cytokines, increased infiltration of immune cells and the development of a microenvironment that supports tumor growth. Several epidemiological studies support the association of obesity with TNBC; however, the underlining molecular mechanisms remain unknown. We developed an immunocompetent obese FVB (female) mouse model by feeding ‘Western diet' or control diet for four months and then injecting with syngeneic C0321 (mouse TNBC) cells to investigate the immune signatures and to study the role of obesity related factors in TNBC progression. We found significant body weight increases in ‘Western diet' fed mice group as expected. The percentage of CD8+ and CD4+ T cells, and macrophages in spleen, liver and peripheral blood in obese mice did not change significantly compared to lean mice. However, the percentages of immunosuppressive Myeloid Derived Suppressor cells (MDSCs), particularly Monocytic-MDSCs were elevated in liver and visceral fat tissue in obese mice. Importantly, tumors in ‘Western Diet' fed mice achieved significantly larger volumes. We found no noticeable difference in the percentage of CD8+ and CD4+ T cells, MDSC or macrophages in the spleen of tumor bearing obese mice. Interestingly, there was a decreasing trend in tumor infiltrating CD8+ and CD4+ T cells in tumor bearing obese mice. Further, tumor infiltrating myeloid cells, MDSCs and macrophages were significantly increased in obese mice, suggesting the formation of an immunosuppressive environment. More importantly, tumor infiltrating MDSCs from obese mice were more immunosuppressive than those from lean mice. In summary, our results reveal alterations in the number and function of tumor infiltrating immune cells in obese mice. RNA-Sequencing of lean vs obese tumors revealed significant changes in pathways related to Hypertrophic and Dilated Cardiomyopathy, Adrenergic signaling in Cardiomyocytes, as well as signaling pathways of Insulin, cGMP-PKG, Glucagon, Calcium and Adipocytokine and others. Our data warrants further investigation on the immunosuppressive tumor microenvironment in obese TNBC patients.
Citation Format: Fokhrul Hossain, Deniz A Ucar, Maria Sanchez-Pino, Matthew Dean, Samarpan Majumder, Dorota Wyczechowska, Giulia Monticone, Rachel Sabol, Keli Xu, Luis D Valle, Jovanny Zabaleta, Bruce Bunnell, Lucio Miele. Investigating tumor infiltrating immune cells signature in obese triple negative breast cancer [abstract]. In: Proceedings of the Annual Meeting of the American Association for Cancer Research 2020; 2020 Apr 27-28 and Jun 22-24. Philadelphia (PA): AACR; Cancer Res 2020;80(16 Suppl):Abstract nr 3866.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Keli Xu
- 3University of Mississippi Medical Center, MS
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Bergsten TM, Burdette JE, Dean M. Fallopian tube initiation of high grade serous ovarian cancer and ovarian metastasis: Mechanisms and therapeutic implications. Cancer Lett 2020; 476:152-160. [PMID: 32067992 DOI: 10.1016/j.canlet.2020.02.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [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: 12/04/2019] [Revised: 01/31/2020] [Accepted: 02/13/2020] [Indexed: 01/09/2023]
Abstract
Ovarian cancer is the most lethal gynecologic malignancy and the fifth leading cause of cancer-related death in women. Although outcomes have improved in recent years, there remains an unmet clinical need to understand the early pathogenesis of ovarian cancer in order to identify new diagnostic approaches and agents of chemoprevention and chemotherapy. While high grade serous ovarian cancer (HGSOC), the most abundant histotype, was initially thought to arise from the ovarian surface epithelium, there is an increasing body of evidence suggesting that HGSOC originates in the fallopian tube. With this new understanding of cell of origin, understanding of disease development requires analysis with a novel perspective. Currently, factors that drive the initiation and migration of dysplastic tubal epithelial cells from the fallopian tube to the ovary are not yet fully defined. These factors include common mutations to fallopian tube epithelial cells, as well as factors originating from both the fallopian tube and ovary which are capable of inducing transformation and dissemination in said cells. Here, we review these changes, their causative agents, and various potential means of intervention.
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Affiliation(s)
- Tova M Bergsten
- Medical Scientist Training Program, University of Illinois at Chicago College of Medicine, Chicago, IL, USA; Department of Pharmaceutical Sciences, Center for Biomolecular Science, University of Illinois at Chicago, Chicago, IL, USA
| | - Joanna E Burdette
- Department of Pharmaceutical Sciences, Center for Biomolecular Science, University of Illinois at Chicago, Chicago, IL, USA
| | - Matthew Dean
- Department of Animal Science, University of Illinois at Urbana-Champaign, Urbana, IL, USA.
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Mota T, Mccann C, Huang S, Dean M, Yanqin R, Thomas R, Colin K, David H, Jeffery S, Brad J. Histone deacetylase inhibitors induce transcription of unspliced but not multiply spliced HIV-1 RNA from proviral genomes during latency reversal, affecting antigen presentation and detection by CD8+ T cells. J Virus Erad 2019. [DOI: 10.1016/s2055-6640(20)30086-8] [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: 10/23/2022] Open
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35
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Burdette JE, Zink K, Dean M, Sanchez LM. Abstract AP02: EXPOSING THE LOCAL FACTORS THAT CONTRIBUTE TO OVARIAN COLONIZATION OF FALLOPIAN TUBE-DERIVED TUMORS. Clin Cancer Res 2019. [DOI: 10.1158/1557-3265.ovcasymp18-ap02] [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] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
High grade serous cancer (HGSC) originates in the fallopian tube and typically invade and colonize the ovary as part of peritoneal metastasis. The purpose of this study was to define the factors that contribute to ovarian specific metastasis of fallopian tube HGSC. While protein factors have been explored that facilitate migration and invasion of fallopian tube cell to the ovary, the small molecule communication between the tissues during metastasis remains largely unexplored. Due to the proximity of ovarian primary metastasis, an experimental design was optimized using imaging mass spectrometry to capture the spatial composition of small molecules uniquely expressed when fallopian tube-derived tumor cells were grown in the microenvironment of the ovary as a model of primary metastasis. The observed mass-to-charge ratios (m/z's) that were induced specifically in co-culture represent small molecules that may contribute to the metastasis of HGSOC selectively to the ovary. Human fallopian tube epithelial HGSOC and tumorigenic murine oviductal epithelial cells, but not normal cell types, repeatedly induced a signal from the ovary at m/z 170. This signal was identified as norepinephrine, which was confirmed to simulate invasion of ovarian cancer cells lacking wildtype p53. Norepinephrine has an established role in ovarian cancer metastasis to secondary sites and the use of beta-blockers in women is associated with increased survival. The use of imaging mass spectrometry also revealed a series of new molecules that are specifically enhanced from the ovary or the fallopian tube during co-culture. These molecules may reveal pathways that contribute to metastasis and biological targets for therapeutic intervention to block ovarian metastasis of fallopian tube-derived HGSOC. The developed mass spectrometry method can be adapted to other mammalian-based model systems for investigation of untargeted metabolomics that facilitate metastasis.
Citation Format: Joanna E. Burdette, Katherine Zink, Matthew Dean, and Laura M. Sanchez. EXPOSING THE LOCAL FACTORS THAT CONTRIBUTE TO OVARIAN COLONIZATION OF FALLOPIAN TUBE-DERIVED TUMORS [abstract]. In: Proceedings of the 12th Biennial Ovarian Cancer Research Symposium; Sep 13-15, 2018; Seattle, WA. Philadelphia (PA): AACR; Clin Cancer Res 2019;25(22 Suppl):Abstract nr AP02.
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Russo A, Czarnecki AA, Dean M, Lantvit D, Wei JJ, Burdette JE. Abstract DP-012: STUDYING THE SIGNALING PATHWAYS OF DISTINCT SUBPOPULATIONS OF CELLS GENERATED UPON PTEN DELETION FROM FTE AND IDENTIFICATION OF MARKERS OF EARLY TUMORIGENESIS. Clin Cancer Res 2019. [DOI: 10.1158/1557-3265.ovcasymp18-dp-012] [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] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
SIGNIFICANCE: High Grade Serous Cancer (HGSOC) Requires Novel Biomarkers for early detection.
Survival rates for HGSOC patients have not substantially improved, over the past decades, mainly because the disease is only detected at the metastatic stage. The findings of early pre-malignant lesions in the fallopian tube, but not in the ovary, suggested that HGSOCs may originate from the fallopian tube epithelium (FTE) and metastasize to the ovary. Studying the mechanisms of HGSOC genesis from the correct cell of origin is critical to the early detection of the disease. Our main goal is to determine how genetic and molecular alterations contribute to the early events of HGSOC genesis from FTE. Recent transgenic animal models of FTE-derived HGSOC have pointed out the critical role of loss of PTEN (phosphatase and tensin homolog) from FTE in generating HGSOC when in combination with p53 mutation and alteration of BRCA1/2, but not by itself. Our lab was the first to show that deletion of PTEN alone in FTE is sufficient to lead to tumor formation and peritoneal dissemination suggesting that the importance of PTEN in the early events of the tumorigenic cascade may have been underestimated.
Loss of PTEN from FTE is sufficient to drive ovarian cancer, however, the key signaling driving tumorigenesis when PTEN expression is low remain poorly defined and yet pivotal to new treatment options given its common occurrence. Studying the progression of HGSOC genesis from FTE is essential to refining the strategy for targeted therapies and to discovering novel biomarkers for early detection of the disease.
PURPOSE: to identify signaling pathways and drug response of different subpopulations of tumorigenic cells generated upon PTEN deletion.
RESULTS: Loss of PTEN in the FTE upregulates markers of cancer stem cells (CSC) such as WNT4, LGR5, ALDH1, c-Kit, CD44, and Dll4. We also discovered that the CSC markers are confined in a specific subpopulation of cells with increased diameter that we call CSCHigh as compared to a smaller population that we call CSCLow. In fact, when these two populations are separated by flow cytometry based sorting, the CSCHigh retains all the CSC markers. In addition, using a limiting dilution assay, we found that the CSCHigh subpopulation forms tumor at a faster rate in vivo. In addition, CSCHigh forms bigger spheroids and are more resistant to chemotherapeutic agents, suggesting that more targeted therapy may be developed for these stem-like, tumorigenic subpopulations. We also show that loss of PAX2 is mediating the CSCHigh phenotype suggesting that therapies to re-express PAX2 may prevent development of HGSOC.
CONCLUSIONS: Together, these findings provide a novel model to study the mechanism of fallopian tube tumor initiation and invasion to the ovary mediated by loss of PTEN, which may help to define early events of human ovarian carcinogenesis.
Citation Format: Angela Russo, Austin A. Czarnecki, Matthew Dean, Dan Lantvit, Jian-Jun Wei Joanna E. Burdette. STUDYING THE SIGNALING PATHWAYS OF DISTINCT SUBPOPULATIONS OF CELLS GENERATED UPON PTEN DELETION FROM FTE AND IDENTIFICATION OF MARKERS OF EARLY TUMORIGENESIS [abstract]. In: Proceedings of the 12th Biennial Ovarian Cancer Research Symposium; Sep 13-15, 2018; Seattle, WA. Philadelphia (PA): AACR; Clin Cancer Res 2019;25(22 Suppl):Abstract nr DP-012.
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Affiliation(s)
- Angela Russo
- 1Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, College of Pharmacy, Chicago, IL 60607,
| | - Austin A. Czarnecki
- 1Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, College of Pharmacy, Chicago, IL 60607,
| | - Matthew Dean
- 1Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, College of Pharmacy, Chicago, IL 60607,
| | - Dan Lantvit
- 1Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, College of Pharmacy, Chicago, IL 60607,
| | - Jian-Jun Wei
- 2Department of Pathology, Northwestern University, Chicago IL 60611
| | - Joanna E. Burdette
- 1Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, College of Pharmacy, Chicago, IL 60607,
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Dean M, Jin V, Russo A, Lantvit DD, Burdette JE. Exposure of the extracellular matrix and colonization of the ovary in metastasis of fallopian-tube-derived cancer. Carcinogenesis 2019; 40:41-51. [PMID: 30475985 DOI: 10.1093/carcin/bgy170] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 10/30/2018] [Accepted: 11/21/2018] [Indexed: 12/26/2022] Open
Abstract
High-grade serous ovarian cancer (HGSOC) can originate in the fallopian tube epithelium (FTE), but the role of the ovary in these tumors is unclear. Tumorigenic murine oviductal epithelial (MOE) cells allografted in the ovarian bursa resulted in aggressive tumors that spread throughout the peritoneum whereas intraperitoneal xenografting the same number of cells did not form tumors, indicating that colonization of the ovary may play a role in metastasis. Physical tearing of the ovarian surface to mimic rupture of the ovary during ovulation (independent of hormonal changes) resulted in more MOE and HGSOC cells adhering to the ovary compared with intact ovaries. More MOE cells also adhered to three-dimensional (3D) collagen and primary ovarian stromal cells than to ovarian surface epithelia, indicating that FTE cells adhered to the extracellular matrix exposed during ovulation. However, plating cells on 3D collagen reduced the viability of normal FTE but not cancer cells. Mutation of p53 (R273H or R248W) and activation of Kirsten Rat Sarcoma Viral Oncogene Homolog (KRAS) (G12V) did not increase the viability of MOE cells on 3D collagen. In contrast, loss of phosphatase and tensin homolog (PTEN) allowed MOE cells to retain normal viability on 3D collagen. Loss of PTEN activated AKT and RAC1/c-jun N-terminal kinase signaling that each contributed to the increased viability, invasion and attachment in the collagen rich ovarian microenvironment. These results show that loss of PTEN activates multiple pathways that together enhance colonization of the ovary due to access to 3D collagen, which is a critical organ in the colonization of FTE-derived HGSOC.
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Affiliation(s)
- Matthew Dean
- Department of Medicinal Chemistry and Pharmacognosy, Center for Biomolecular Sciences, University of Illinois at Chicago, Chicago, IL, USA
| | - Vivian Jin
- Department of Medicinal Chemistry and Pharmacognosy, Center for Biomolecular Sciences, University of Illinois at Chicago, Chicago, IL, USA
| | - Angela Russo
- Department of Medicinal Chemistry and Pharmacognosy, Center for Biomolecular Sciences, University of Illinois at Chicago, Chicago, IL, USA
| | - Daniel D Lantvit
- Department of Medicinal Chemistry and Pharmacognosy, Center for Biomolecular Sciences, University of Illinois at Chicago, Chicago, IL, USA
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Bose P, Boylos A, Petersen L, Kovalchuk O, Kovalchuk I, Dean M, Itani D, Kopciuk K, Bebb G. MA04.10 Development and Validation of a Gene Expression-Based Prognostic Signature in Early-Stage Squamous Cell Carcinoma of the Lung. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.527] [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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Alsaadoun N, Gibson A, Hao F, Dean M, Elegbede A, Otsuka S, Tudor R, Bebb G. P2.18-04 Improved Outcome in Female Stage III NSCLC Diagnoses Is Driven by Non-Curative Intent Treatment, and Adenocarcinoma Histology. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.1958] [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: 10/25/2022]
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Gibson A, D’silva A, Dean M, Tudor R, Elegbede A, Otsuka S, Bebb G. P2.16-12 Treatment Uptake and Outcomes of Elderly Stage III NSCLC Patients: A 15-Year Retrospective Real-World Study. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.1879] [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]
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Tudor R, Gibson A, Hao F, Dean M, Kopciuk K, Bebb G. P2.14-28 Real-World Management and Outcomes of Uncommon EGFR Mutation-Positive NSCLC Patients at Two Tertiary Canadian Cancer Centres. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.1813] [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: 10/25/2022]
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Petersen L, Mcneil R, Dean M, Chan A, Orton S, Kovalchuk O, Bebb G. P2.04-30 Seq-ing a Better Way to Detect PD-L1 in NSCLC. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.1535] [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: 11/26/2022]
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Alsaadoun N, Kopciuk K, Hao D, Hao F, Elegbede A, Gibson A, Dean M, Tudor R, Bebb G. P1.16-33 From a Systematic Review to Real World Evidence: Integrating Gender as a Clinical Risk Factor in NSCLC. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.1259] [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: 11/25/2022]
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Zink KE, Dean M, Burdette JE, Sanchez LM. Capturing Small Molecule Communication Between Tissues and Cells Using Imaging Mass Spectrometry. J Vis Exp 2019. [PMID: 31009015 DOI: 10.3791/59490] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Imaging mass spectrometry (IMS) has routinely been applied to three types of samples: tissue sections, spheroids, and microbial colonies. These sample types have been analyzed using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) to visualize the distribution of proteins, lipids, and metabolites across the biological sample of interest. We have developed a novel sample preparation method that combines the strengths of the three previous applications to address an underexplored approach for identifying chemical communication in cancer, by seeding mammalian cell cultures into agarose in coculture with healthy tissues followed by desiccation of the sample. Mammalian tissue and cells are cocultured in close proximity allowing chemical communication via diffusion between the tissue and cells. At specific time points, the agarose-based sample is dried in the same manner as microbial colonies prepared for IMS analysis. Our method was developed to model the communication between high grade serous ovarian cancer derived from the fallopian tube as it interacts with the ovary during metastasis. Optimization of the sample preparation resulted in the identification of norepinephrine as a key chemical component in the ovarian microenvironment. This newly developed method can be applied to other biological systems that require an understanding of chemical communication between adjacent cells or tissues.
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Affiliation(s)
- Katherine E Zink
- Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago
| | - Matthew Dean
- Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago; Department of Animal Science, University of Illinois at Urbana-Champaign
| | - Joanna E Burdette
- Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago
| | - Laura M Sanchez
- Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago;
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Ghonim MA, Tarhuni A, Luu H, Dean M, Al‐khami A, Ochoa A, Boulares H. Low Doses of PARP Inhibitors As A novel Therapeutic Approach to Enhance The Anti‐Cancer Immunotherapy of PD‐1 Immune Checkpoint Blockade. FASEB J 2019. [DOI: 10.1096/fasebj.2019.33.1_supplement.680.15] [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: 11/11/2022]
Affiliation(s)
- Mohamed A Ghonim
- Stanley Scott Cancer CenterLSU Health Sciences CenterNew OrleansLA
- Department of Microbiology and Immunology, Faculty of PharmacyAl‐Azhar UniversityCairoEgypt
| | | | - Hanh Luu
- Stanley Scott Cancer CenterLSU Health Sciences CenterNew OrleansLA
| | - Matthew Dean
- Stanley Scott Cancer CenterLSU Health Sciences CenterNew OrleansLA
| | - Amir Al‐khami
- Stanley Scott Cancer CenterLSU Health Sciences CenterNew OrleansLA
| | - Augusto Ochoa
- Stanley Scott Cancer CenterLSU Health Sciences CenterNew OrleansLA
| | - Hamid Boulares
- Stanley Scott Cancer CenterLSU Health Sciences CenterNew OrleansLA
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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, Aguirre-Castaneda V, Benavides, Lopez D, Hemp S, Allen J, Stear E, Davis T, O’Donnell R, Jones A, Roberts J, Dart N, Paramalingam L, Levitt Katz N, Chaudhary K, Murphy S, Willi B, Schwartzman C, Kapadia D, Roberts A, Larson D, McClellan G, Shaibai L, Kelley G, Villa C, Kelley R, Diamond M, Kabbani T, Dajani F, Hoekstra M, Sadler K, Magorno J, Holst V, Chauhan N, Wilson P, Bononi M, Sperl A, Millward M, Eaton L, Dean J, Olshan H, Stavros T, Renna C, Milliard, Brodksy L, Bacon J, Quintos L, Topor S, Bialo B, Bancroft A, Soto W, Lagarde H, Tamura R, Lockemer T, Vanderploeg M, Ibrahim M, Huie V, Sanchez R, Edelen R, Marchiando J, Palmer T, Repas M, Wasson P, Wood K, Auker J, Culbertson T, Kieffer D, Voorhees T, Borgwardt L, DeRaad K, Eckert E, Isaacson H, Kuhn A, Carroll M, Xu P, Schubert G, Francis S, Hagan T, Le M, Penn E, Wickham C, Leyva K, Rivera J, Padilla I, Rodriguez N, Young K, Jospe J, Czyzyk B, Johnson U, Nadgir N, Marlen G, Prakasam C, Rieger N, Glaser E, Heiser B, Harris C, Alies P, Foster H, Slater K, Wheeler D, Donaldson M, Murray D, Hale R, Tragus D, Word J, Lynch L, Pankratz W, Badias F, Rogers R, Newfield S, Holland M, Hashiguchi M, Gottschalk A, Philis-Tsimikas R, Rosal S, Franklin S, Guardado N, Bohannon M, Baker A, Garcia T, Aguinaldo J, Phan V, Barraza D, Cohen J, Pinsker U, Khan J, Wiley L, Jovanovic P, Misra M, Bassi M, Wright D, Cohen K, Huang M, Skiles S, Maxcy C, Pihoker K, Cochrane J, Fosse S, Kearns M, Klingsheim N, Beam C, Wright L, Viles H, Smith S, Heller M, Cunningham A, Daniels L, Zeiden J, Field R, Walker K, Griffin L, Boulware D, Bartholow C, Erickson J, Howard B, Krabbenhoft C, Sandman A, Vanveldhuizen J, Wurlger A, Zimmerman K, Hanisch L, Davis-Keppen A, Bounmananh L, Cotterill J, Kirby M, Harris A, Schmidt C, Kishiyama C, Flores J, Milton W, Martin C, Whysham A, Yerka T, Bream S, Freels J, Hassing J, Webster R, Green P, Carter J, Galloway D, Hoelzer S, Roberts S, Said P, Sullivan H, Freeman D, Allen E, Reiter E, Feinberg C, Johnson L, Newhook D, Hagerty N, White L, Levandoski J, Kyllo M, Johnson C, Gough J, Benoit P, Iyer F, Diamond H, Hosono S, Jackman L, Barette P, Jones I, Sills S, Bzdick J, Bulger R, Ginem J, Weinstock I, Douek R, Andrews G, Modgill G, Gyorffy L, Robin N, Vaidya S, Crouch K, O’Brien C, Thompson N, Granger M, Thorne J, Blumer J, Kalic L, Klepek J, Paulett B, Rosolowski J, Horner M, Watkins J, Casey K, Carpenter C, Michelle Kieffer MH, Burns J, Horton C, Pritchard D, Soetaert A, Wynne C, Chin O, Molina C, Patel R, Senguttuvan M, Wheeler O, Lane P, Furet C, Steuhm D, Jelley S, Goudeau L, Chalmers D, Greer C, Panagiotopoulos D, Metzger D, Nguyen M, Horowitz M, Linton C, Christiansen E, Glades C, Morimoto M, Macarewich R, Norman K, Patin C, Vargas A, Barbanica A, Yu P, Vaidyanathan W, Nallamshetty L, Osborne R, Mehra S, Kaster S, Neace J, Horner G, Reeves C, Cordrey L, Marrs T, Miller S, Dowshen D, Oduah V, Doyle S, Walker D, Catte H, Dean M, Drury-Brown B, Hackman M, Lee S, Malkani K, Cullen K, Johnson P, Parrimon Y, Hampton M, McCarrell C, Curtis E, Paul, Zambrano Y, Paulus K, Pilger J, Ramiro J, Luvon Ritzie AQ, Sharma A, Shor A, Song X, Terry A, Weinberger J, Wootten M, Lachin JM, Foulkes M, Harding P, Krause-Steinrauf H, McDonough S, McGee PF, Owens Hess K, Phoebus D, Quinlan S, Raiden E, Batts E, Buddy C, Kirpatrick K, Ramey M, Shultz A, Webb C, Romesco M, Fradkin J, Leschek E, Spain L, Savage P, Aas S, Blumberg E, Beck G, Brillon D, Gubitosi-Klug R, Laffel L, Vigersky R, Wallace D, Braun J, Lernmark A, Lo B, Mitchell H, Naji A, Nerup J, Orchard T, Steffes M, Tsiatis A, Veatch R, Zinman B, Loechelt B, Baden L, Green M, Weinberg A, Marcovina S, Palmer JP, Weinberg A, Yu L, Babu S, Winter W, Eisenbarth GS, Bingley P, Clynes R, DiMeglio L, Eisenbarth G, Hays B, Leschek E, Marks J, Matheson D, Rafkin L, Rodriguez H, Spain L, Wilson D, Redondo M, Gomez D, McDonald A, Pena S, Pietropaolo M, Shippy K, Batts E, Brown T, Buckner J, Dove A, Hammond M, Hefty D, Klein J, Kuhns K, Letlau M, Lord S, McCulloch-Olson M, Miller L, Nepom G, Odegard J, Ramey M, Sachter E, St. Marie M, Stickney K, VanBuecken D, Vellek B, Webber C, Allen L, Bollyk J, Hilderman N, Ismail H, Lamola S, Sanda S, Vendettuoli H, Tridgell D, Monzavi R, Bock M, Fisher L, Halvorson M, Jeandron D, Kim M, Wood J, Geffner M, Kaufman F, Parkman R, Salazar C, Goland R, Clynes R, Cook S, Freeby M, Pat Gallagher M, Gandica R, Greenberg E, Kurland A, Pollak S, Wolk A, Chan M, Koplimae L, Levine E, Smith K, Trast J, DiMeglio L, Blum J, Evans-Molina C, Hufferd R, Jagielo B, Kruse C, Patrick V, Rigby M, Spall M, Swinney K, Terrell J, Christner L, Ford L, Lynch S, Menendez M, Merrill P, Pescovitz M, Rodriguez H, Alleyn C, Baidal D, Fay S, Gaglia J, Resnick B, Szubowicz S, Weir G, Benjamin R, Conboy D, deManbey A, Jackson R, Jalahej H, Orban T, Ricker A, Wolfsdorf J, Zhang HH, Wilson D, Aye T, Baker B, Barahona K, Buckingham B, Esrey K, Esrey T, Fathman G, Snyder R, Aneja B, Chatav M, Espinoza O, Frank E, Liu J, Perry J, Pyle R, Rigby A, Riley K, Soto A, Gitelman S, Adi S, Anderson M, Berhel A, Breen K, Fraser K, Gerard-Gonzalez A, Jossan P, Lustig R, Moassesfar S, Mugg A, Ng D, Prahalod P, Rangel-Lugo M, Sanda S, Tarkoff J, Torok C, Wesch R, Aslan I, Buchanan J, Cordier J, Hamilton C, Hawkins L, Ho T, Jain A, Ko K, Lee T, Phelps S, Rosenthal S, Sahakitrungruang T, Stehl L, Taylor L, Wertz M, Wong J, Philipson L, Briars R, Devine N, Littlejohn E, Grant T, Gottlieb P, Klingensmith G, Steck A, Alkanani A, Bautista K, Bedoy R, Blau A, Burke B, Cory L, Dang M, Fitzgerald-Miller L, Fouts A, Gage V, Garg S, Gesauldo P, Gutin R, Hayes C, Hoffman M, Ketchum K, Logsden-Sackett N, Maahs D, Messer L, Meyers L, Michels A, Peacock S, Rewers M, Rodriguez P, Sepulbeda F, Sippl R, Steck A, Taki I, Tran BK, Tran T, Wadwa RP, Zeitler P, Barker J, Barry S, Birks L, Bomsburger L, Bookert T, Briggs L, Burdick P, Cabrera R, Chase P, Cobry E, Conley A, Cook G, Daniels J, DiDomenico D, Eckert J, Ehler 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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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El Benni N, Stolz H, Home R, Kendall H, Kuznesof S, Clark B, Dean M, Brereton P, Frewer L, Chan MY, Zhong Q, Stolze M. Product attributes and consumer attitudes affecting the preferences for infant milk formula in China – A latent class approach. Food Qual Prefer 2019. [DOI: 10.1016/j.foodqual.2018.05.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Zink K, Dean M, Burdette JE, Sanchez LM. Imaging Mass Spectrometry Reveals Crosstalk between the Fallopian Tube and the Ovary that Drives Primary Metastasis of Ovarian Cancer. ACS Cent Sci 2018; 4:1360-1370. [PMID: 30410974 PMCID: PMC6202655 DOI: 10.1021/acscentsci.8b00405] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Indexed: 05/05/2023]
Abstract
High grade serous ovarian cancer (HGSOC) is the fifth leading cause of cancer deaths among women. New evidence suggests that HGSOC arises in the fallopian tube and then colonizes the ovary before spreading into the peritoneal space. Therefore, due to the proximity of this metastasis, an experimental design was optimized using imaging mass spectrometry to capture the spatial composition of small molecules uniquely expressed when fallopian-tube-derived tumor cells were grown in the microenvironment of the ovary as a model of primary metastasis. The observed mass-to-charge ratios (m/z's) that were induced specifically in coculture represent small molecules that may contribute to the metastasis of HGSOC selectively to the ovary. Human fallopian tube epithelial HGSOC and tumorigenic murine oviductal epithelial cells, but not normal cell types, repeatedly induced a signal from the ovary at m/z 170. This signal was identified as norepinephrine, which was confirmed to stimulate invasion of ovarian cancer cells lacking wild-type p53. These molecules may reveal pathways that contribute to metastasis and biological targets for therapeutic intervention to block ovarian metastasis of fallopian-tube-derived HGSOC. The developed mass spectrometry method can be adapted to other mammalian-based model systems for investigation of untargeted metabolomics that facilitate metastasis.
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