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Salimi S, Asgari Z, Izadikhah Z, Abedi M. Personality and Post-Traumatic Growth: the Mediating Role of Career Adaptability Among Traumatized Adolescents. J Child Adolesc Trauma 2022; 15:883-892. [PMID: 35958705 PMCID: PMC9360272 DOI: 10.1007/s40653-021-00376-8] [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] [Subscribe] [Scholar Register] [Accepted: 06/11/2021] [Indexed: 06/15/2023]
Abstract
Trauma needs special attention during the sensitive period of adolescence, which already involves its own psychological challenges and vocational tasks. Coping with trauma requires adaptation. From the perspective of the career construction model of adaptation, career adaptability provides psycho-social resources that promote adaptation. Using this model, the aim of the present study was to investigate the relationship between personality and post-traumatic growth via career adaptability. A total of 266 Iranian adolescents who had experienced the sudden death of a parent recruited. They then completed the Big Five Questionnaire, Post-traumatic Growth Inventory, and Career Adapt-abilities Scale. The results showed career adaptability partially mediated the relationship between neuroticism and openness and post-traumatic growth. In addition, the findings confirmed the full mediator role of career adaptability in the relationship between conscientiousness and post-traumatic growth. The results also indicated a direct relationship between extraversion and post-traumatic growth, but no relationship between agreeableness and post-traumatic growth. These results emphasized the essential role of career adaptability in empowering traumatized adolescents.
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Affiliation(s)
- Samaneh Salimi
- Department of Counseling, Faculty of Education and Psychology, University of Isfahan, Isfahan, Iran
| | - Zahra Asgari
- Department of Counseling, Faculty of Education and Psychology, University of Isfahan, Isfahan, Iran
| | - Zahra Izadikhah
- School of Psychology and Counselling, University of Southern Queensland, Ipswich, Australia
| | - Mohammadreza Abedi
- Department of Counseling, Faculty of Education and Psychology, University of Isfahan, Isfahan, Iran
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Chang D, Basu S, Micheletti R, Maverakis E, Marinkovich M, Porter D, Abedi M, Weng W, Hoffman K, Volkov J, Nunez D, Milone M, Binder G, Payne A. LB952 A phase 1 trial of DSG3-CAART cells in mucosal-dominant pemphigus vulgaris (mPV) patients: Preliminary data. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.05.971] [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] [Indexed: 11/16/2022]
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Rahmatpour Rokni G, Shiran M, Abounoori M, Houshmand G, Babakhanian M, Godazandeh G, Bayat S, Pazyar N, Abedi M, Khorshidi F, Yari F, Ghafouri Z, Patil A, Goldust M, Mirmohammadi Langari L. Effects of metformin on autoimmune immunoglobins and interferon-γ in patients with early diagnosed pemphigus vulgaris: a prospective clinical trial. Clin Exp Dermatol 2021; 47:110-113. [PMID: 34236726 DOI: 10.1111/ced.14832] [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: 06/14/2021] [Revised: 06/30/2021] [Accepted: 07/02/2021] [Indexed: 11/27/2022]
Abstract
The management of pemphigus vulgaris (PV) is challenging. This study aimed to evaluate the immunomodulating effects of metformin on PV. The study was conducted in two phases: in the first phase, patients received routine first-line treatment (prednisolone plus azathioprine) for 2 months, then in the second phase, metformin was added to this regimen for another 2 months. After addition of metformin to the first-line medications, significant reductions were seen in serum IgG1 (reduced from 534.92 ± 134.83 mg/dL to 481.58 ± 130.46 mg/dL, P < 0.001), IgG4 (51.83 ± 27.26 mg/dL to 44.50 ± 26.05 mg/dL, P < 0.001) and interferon-γ (277.99 ± 108.71 pg/mL to 45.05 ± 17.080 pg/mL, P = 0.03) concentrations. The suppressant effect of metformin was greatest on IgG4 (coefficient of variation 1.28), the dominant subclass of IgG involved in PV. Metformin could have immunomodulating effects on PV with controlling effects on steroid complications.
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Affiliation(s)
- G Rahmatpour Rokni
- Department of Dermatology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - M Shiran
- Department of Pharmacology, Immuno-Genetics Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - M Abounoori
- Student Research Committee, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - G Houshmand
- Immunogenetics Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - M Babakhanian
- Social Determinants of Health Research Center, Semnan University of Medical Sciences, Semnan, Iran
| | - G Godazandeh
- Department of Thoracic Surgery, Imam Khomeini Hospital, Mazandaran University of Medical Sciences, Sari, Iran
| | - S Bayat
- Student Research Committee, Department of Internal Medicine, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - N Pazyar
- Department of Dermatology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - M Abedi
- Faculty of Medicine, Azad University of Mazandaran, Sari, Iran
| | - F Khorshidi
- Faculty of Medicine, Azad University of Mazandaran, Sari, Iran
| | - F Yari
- Student Research Committee, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Z Ghafouri
- College of Kinesiology, University of Saskatchewan, Saskatoon, SK, Canada
| | - A Patil
- Department of Pharmacology, Dr DY Patil Medical College, Navi Mumbai, India
| | - M Goldust
- Department of Dermatology, University Medical Center Mainz, Mainz, Germany
| | - L Mirmohammadi Langari
- Microbial Resistance Research Center, Mazandaran University of Medical Sciences, Sari, Iran
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Alvarez J, Chua K, Sim N, Abedi M, Chen J, Tan A, Lai G, Takano A, Lim W, Tan E, Lim K, Zhai W, Tan D, Skanderup A. P59.08 THOR: Multi-Ethnic, Open Access Thoracic Cancer Genomics Resource. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.959] [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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Rabiepoor S, Abedi M, Saboory E, Khalkhali HR. Stress during pregnancy affected neonatal outcomes and changed cortisol and leptin levels both in mothers and newborns. J Neonatal Perinatal Med 2020; 12:209-219. [PMID: 30741697 DOI: 10.3233/npm-1818] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND The present study aimed to determine the effect of perceived stress during pregnancy on neonatal outcomes and cortisol and leptin levels in mothers and their newborns. METHODS This longitudinal study was carried out on 110 pregnant women in Miandoab city, Iran. Mothers, who had singleton pregnancies and gestational age of 24 to 28 weeks, were included in the study. The participants were asked to fill out Cohen's Perceived Stress Scale (PSS). The mothers were then tracked in gestational ages of 28-32 weeks, 32-36 weeks, and the time of delivery. The maternal and umbilical cord blood samples were obtained during labor in order to measure leptin and cortisol levels. RESULTS Umbilical cortisol level was significantly higher in newborns who had meconium stained amniotic fluid than those who did not. Maternal blood leptin levels at delivery were significantly higher in the mothers whose neonates had respiratory distress, low birth weight, low head circumference, low Apgar score, and were premature than those whose neonates did not have such problems. The level of leptin in umbilical cord blood was significantly higher in neonates who had respiratory distress than those who did not. The results also showed a significant correlation between maternal cortisol levels and PSS during weeks 24-28 and the entire pregnancy. A significant relationship was observed between umbilical leptin and maternal leptin levels. CONCLUSIONS It can be concluded that stress during pregnancy is accompanied by fetal distress. The probable reason for newborns distress may be related to increased maternal leptin levels.
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Affiliation(s)
- S Rabiepoor
- Department of Midwifery & Reproductive Health Research Center, Urmia University of Medical Sciences, Urmia, Iran
| | - M Abedi
- Urmia University of Medical Sciences, Urmia, Iran
| | - E Saboory
- Neurophysiology Research Center, Urmia University of Medical Sciences, Urmia, Iran
| | - H R Khalkhali
- Department of Biostatistics & Inpatient's Safety Research Center, Urmia University of Medical Sciences, Urmia, Iran
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Yadolahi F, Abedi M. Hand Biomechanics Measured after Modulation of Neural Plasticity In A Patient With Secondary Dystonia. Brain Stimul 2019. [DOI: 10.1016/j.brs.2018.12.750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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George T, Erba H, Pollyea D, Abedi M, Roboz G, Thompson M, Fliss A, Swern A, Nifenecker M, Kiselev P, Sugrue M, Foucar K. Current Diagnosis Patterns for Acute Myeloid Leukemia: Concordance Between Clinical Practice (Connect ® Disease Registry) and Who 2008 Recommendations. Leuk Res 2017. [DOI: 10.1016/s0145-2126(17)30283-7] [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: 10/19/2022]
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Abedi M, Farrokhpour H, Farnia S, Chermahini AN. Dissociation, absorption and ionization of some important sulfur oxoanions (S2On2− n=2, 3, 4, 6, 7 and 8). J Mol Struct 2015. [DOI: 10.1016/j.molstruc.2015.03.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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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Steensma D, Abedi M, Bejar R, Cogle C, Foucar K, Garcia-Manero G, George T, Grinblatt D, Komrokji R, Maciejewski J, Pollyea D, Roboz G, Savona M, Scott B, Sekeres M, Thompson M, Sugrue M, Swern A, Nifenecker M, Erba H. 249 CONNECT MDS AND AML: THE MYELODYSPLASTIC SYNDROMES (MDS) AND ACUTE MYELOID LEUKEMIA (AML) DISEASE REGISTRY. Leuk Res 2015. [DOI: 10.1016/s0145-2126(15)30250-2] [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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Abedi M, Heidari H, Sadeghi Dehkordi Z, Youssefi MR. Serological study of toxoplasmosis in women with previous history of abortion at Hamedan’s medical centers during 2012–2013. ACTA ACUST UNITED AC 2014. [DOI: 10.1007/s00580-014-1951-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [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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Abedi M, Bathaie SZ, Mousavi MF. Interaction Between DNA and Some Salicylic Acid Derivatives and Characterization of Their DNA Targets. ELECTROANAL 2013. [DOI: 10.1002/elan.201300342] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Lum LG, Thakur A, Pray C, Kouttab N, Abedi M, Deol A, Colaiace WM, Rathore R. Multiple infusions of CD20-targeted T cells and low-dose IL-2 after SCT for high-risk non-Hodgkin's lymphoma: a pilot study. Bone Marrow Transplant 2013; 49:73-9. [PMID: 24056738 DOI: 10.1038/bmt.2013.133] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2013] [Revised: 06/12/2013] [Accepted: 06/26/2013] [Indexed: 11/09/2022]
Abstract
A pilot phase I clinical trial involving 15 infusions of anti-CD3 × anti-CD20 bispecific Ab (CD20Bi)-armed anti-CD3-activated T cells (aATC) and low-dose IL-2 was conducted in three non-Hodgkin's lymphoma (NHL) patients (two high-risk and one refractory) after autologous SCT. The feasibility of T-cell expansion, safety of aATC infusions, cytotoxic immune responses and trafficking of aATC were evaluated. Three NHL patients received 15 infusions of 5 × 10(9) aATC (three infusions/week for 3 weeks and one infusion/week for 6 weeks) between days 1 and 65 after SCT with IL-2. There were no dose-limiting toxicities. Chills, fever, hypotension and malaise were the common side effects. Engraftment was delayed in one patient with a low stem cell dose. CD20Bi aATC infusions induced specific cytotoxicity directed at lymphoma targets. Endogenous peripheral blood mononuclear cells from two patients mediated anti-lymphoma cytotoxicity above preSCT background (P<0.001). (111)In labeled aATC trafficked to the lungs at 1 h and accumulated in the liver and bone marrow after 24 h. aATC infusions given over 69 days in combination with IL-2 were safe, did not inhibit engraftment, and induced endogenous cytotoxic responses directed at lymphoma targets.
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Affiliation(s)
- L G Lum
- 1] Department of Oncology, Wayne State University, Detroit, MI, USA [2] Department of Medicine, Wayne State University, Detroit, MI, USA [3] Department of Immunology and Microbiology, Wayne State University, Detroit, MI, USA
| | - A Thakur
- Department of Oncology, Wayne State University, Detroit, MI, USA
| | - C Pray
- Department of Oncology, Wayne State University, Detroit, MI, USA
| | - N Kouttab
- Roger Williams Medical Center, Providence, RI, USA
| | - M Abedi
- Department of Medicine, University of California, Davis, Sacramento, CA, USA
| | - A Deol
- 1] Department of Oncology, Wayne State University, Detroit, MI, USA [2] Department of Medicine, Wayne State University, Detroit, MI, USA
| | - W M Colaiace
- Roger Williams Medical Center, Providence, RI, USA
| | - R Rathore
- Roger Williams Medical Center, Providence, RI, USA
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Yousefi Z, Abedi M, Baghban I, Eatemadi O, Abedi A. Personal and Situational Variables, and Career Concerns: Predicting Career Adaptability in Young Adults. Span j psychol 2013; 14:263-71. [PMID: 21568183 DOI: 10.5209/rev_sjop.2011.v14.n1.23] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
This study examined relationships among career adaptability and career concerns, social support and goal orientation. We surveyed 304 university students using measures of career concerns, adaptability (career planning, career exploration, self-exploration, decision-making, self-regulation), goal-orientation (learning, performance-prove, performance-avoid) and social support (family, friends, significant others). Multiple regression analysis revealed career concerns, learning and performance-prove goal orientations emerged relatively as the most important contributors. Other variables did not contribute significantly.
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Osquei-Zadeh R, Ghamari J, Abedi M, Shiri H. Ergonomic and anthropometric consideration for library furniture in an Iranian public university. Int J Occup Environ Med 2012; 3:19-26. [PMID: 23022847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Received: 09/18/2011] [Accepted: 12/06/2011] [Indexed: 06/01/2023]
Abstract
BACKGROUND In our competing educational world, students spend a considerable part of their daily life, studying at library furniture. Not surprisingly, due to lack of proper anthropometric databases, these products have typically been ill fitted for the intended user populations. OBJECTIVE To verify the optimum anthropometric match of library furniture within an academic environment, through a combined qualitative and quantitative approach. METHODS 267 (120 female and 147 male) students, were subjected to 11 standard anthropometric measurements. In line with the measurements, subjective evaluations were also considered through detailed fitting trials on selected groups of participants. RESULTS Combinational equations defined the unacceptable furniture dimensions according to elbow and sitting popliteal heights, mainly for smaller and taller divisions of the studied population, which were systematically comparable along with subjective and objective outcomes. In brief, if we classified studied students into "small," "medium," and "tall" groups, the design dimensions should be altered by -5.1, -2.2, and +1.6 cm for chair seat height; and by -8.3, -5.4, and +1.1 cm for table height, for each student group, respectively. CONCLUSION The furniture size to be used by Iranian students should be changed to fit their anthropometric measures.
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Affiliation(s)
- R Osquei-Zadeh
- Department of Ergonomics, University of Social Welfare and Rehabilition Sciences, Tehran, Iran.
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Junghans RP, Rathore R, Ma Q, Davies R, Bais A, Gomes E, Beaudoin E, Davol P, Abedi M, Cohen S. Phase I trial of anti-PSMA designer T cells in advanced prostate cancer. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.7_suppl.130] [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: 11/20/2022] Open
Abstract
130 Background: We created chimeric immunoglobulin-T cell receptors (IgTCR) specific for prostate specific membrane antigen (PSMA). When expressed in patient T cells, these “designer T cells” (dTc) specifically kill prostate cancer cells in vitro and in vivo in animal models, with 5/9 (55%) of xenografted mice experiencing complete remissions (Ma et al. Prostate 2004:61:12–25). A phase I clinical trial was approved by the FDA. Methods: Patient T cells are retrovirally transduced and expanded ex vivo to span dose levels of 10^9 to 10^11 T cells. Patients undergo prior non-myeloablative (NMA) conditioning to create “hematologic space” into which designer T cells are infused for stable engraftment and prolonged in vivo efficacy. Patients are co-administered continuous infusion IL2. Outcomes include Phase Ia goals of safety and Phase Ib goals of establishing an optimal biologic dose in terms of designer T cell engraftment. Results: Five patients have been treated, three at 10^9 and two at 10^10 cell dose levels. Excellent T cell modifications of 30%-60% were obtained. After NMA conditioning, T cells were infused. Stable engraftments of 1%-20% post-recovery at one month after T cell infusion, thus affirming one of the study end-points. Patients experienced neutropenic fever after conditioning, but no designer T cell-related toxicities. Two patients had partial responses with PSA reductions of 50 and 70% in the two months following treatment with projected benefits of 4 months gain of time to return to starting PSA levels. Results will be updated at the conference. Conclusions: A new approach to adoptive immune therapy in metastatic prostate cancer has been devised with encouraging early results. Patients are being actively recruited. This clinical trial received partial funding from the US Army/DOD. Preclinical work was supported by the Prostate Cancer Foundation. No significant financial relationships to disclose.
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Affiliation(s)
- R. P. Junghans
- Boston University School of Medicine, Providence, RI; Roger Williams Medical Center, Providence, RI
| | - R. Rathore
- Boston University School of Medicine, Providence, RI; Roger Williams Medical Center, Providence, RI
| | - Q. Ma
- Boston University School of Medicine, Providence, RI; Roger Williams Medical Center, Providence, RI
| | - R. Davies
- Boston University School of Medicine, Providence, RI; Roger Williams Medical Center, Providence, RI
| | - A. Bais
- Boston University School of Medicine, Providence, RI; Roger Williams Medical Center, Providence, RI
| | - E. Gomes
- Boston University School of Medicine, Providence, RI; Roger Williams Medical Center, Providence, RI
| | - E. Beaudoin
- Boston University School of Medicine, Providence, RI; Roger Williams Medical Center, Providence, RI
| | - P. Davol
- Boston University School of Medicine, Providence, RI; Roger Williams Medical Center, Providence, RI
| | - M. Abedi
- Boston University School of Medicine, Providence, RI; Roger Williams Medical Center, Providence, RI
| | - S. Cohen
- Boston University School of Medicine, Providence, RI; Roger Williams Medical Center, Providence, RI
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Abedi M, Greer D, Hassani M. Mixed Autologous And Allogeneic Transplantation, A New Model To Establish Stable Mixed Cheimrsim. Biol Blood Marrow Transplant 2010. [DOI: 10.1016/j.bbmt.2009.12.385] [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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Junghans RP, Abedi M, Bais A, Gomes E, Ma Q, Beaudoin E, Davol P. Phase I trial of advanced generation anti-CEA designer T cells in gastrointestinal and breast cancers. J Clin Oncol 2009. [DOI: 10.1200/jco.2009.27.15_suppl.e15123] [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: 11/20/2022] Open
Abstract
e15123 Background: We created “designer T cells” by retroviral gene therapy to express chimeric immunoglobulin-T cell receptors (IgTCR) with specificity for carcinoembryonic antigen (CEA). Our previous Phase I trial with 1st generation (1st gen) designer T cells was well tolerated with proof-of-principle “biologic responses”, but of limited duration. Lab correlates showed modified T cells repeatedly kill tumor targets over 4–7 days but then undergo activation-induced cell death (AICD). We created 2nd gen designer T cells that incorporate CD28 co-stimulation into the IgTCR (IgCD28TCR), suppressing AICD and promoting T cell proliferation on tumor contact with superior tumor responses in vivo (Emtage et al. Clin Cancer Res 2008;14:8112). A Phase I clinical trial was approved under FDA BB-IND 10791. Methods: Patient T cells are modified ex vivo, expanded and then administered in a Phase Ia dose escalation, spanning doses of 10^9 to 10^11 cells. Patients are monitored for safety, pharmacokinetics and response. Results: To date, three subjects enrolled with doses prepared and two were treated. T cells were transduced with equal modification of CD4 helper and CD8 cytotoxic T cells and good ex vivo expansions of 30-fold or more. Cells were infused over 15–30 minutes. Blood clearance was rapid. Dosing was without toxicity but also without responses at this lowest T cell dose level. Results will be updated to include new patients at conference time. Conclusions: The safety of 2nd generation designer T cells is supported in two patients at the lowest T cell dose level. Higher planned doses are 10- to 100-fold more T cells, to be observed for toxicity and where responses may begin to be observed. Funding is from the Office of Orphan Products Development of the FDA. No significant financial relationships to disclose.
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Affiliation(s)
| | - M. Abedi
- Roger Williams Medical Center, Providence, RI
| | - A. Bais
- Roger Williams Medical Center, Providence, RI
| | - E. Gomes
- Roger Williams Medical Center, Providence, RI
| | - Q. Ma
- Roger Williams Medical Center, Providence, RI
| | - E. Beaudoin
- Roger Williams Medical Center, Providence, RI
| | - P. Davol
- Roger Williams Medical Center, Providence, RI
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Abedi M, Ma Q, Bais A, Gomes E, Beaudoin E, Lu L, Davol P, Cohen SI, Junghans R. Phase I trial of anti-PSMA designer T-cell autografting in prostate cancer. J Clin Oncol 2009. [DOI: 10.1200/jco.2009.27.15_suppl.e16132] [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: 11/20/2022] Open
Abstract
e16132 Background: We created chimeric immunoglobulin-T cell receptors (IgTCR) specific for prostate specific membrane antigen (PSMA). When expressed in patient T cells, these “designer T cells” specifically kill prostate cancer cells in vitro and in vivo in animal models, with 5/9 (55%) of xenografted mice experiencing complete remissions (Ma et al. Prostate 2004:61:12–25). A Phase I clinical trial was approved by the FDA in metastatic prostate cancers. Methods: Patient T cells are retrovirally transduced and expanded ex vivo to span dose levels of 10^9 to 10^11 T cells. Adapting methods of Dudley, Rosenberg and colleagues, patients undergo prior non-myeloablative (NMA) conditioning to create a “hematologic space” into which the infused designer T cells will stably engraft for prolonged in vivo efficacy. Patients are co-administered continuous infusion IL2. Outcomes will include Phase Ia goals of safety and toxicity and Phase Ib goals of establishing an optimal biologic dose in terms of designer T cell engraftment and tumor response. Results: For the first two patients, excellent T cell modifications of 50–60% were obtained. After NMA conditioning, T cells were infused and stable engraftments of 1–5% were observed post recovery, even at this lowest 10^9 T cell dose level, thus affirming one of the study end-points. The patients had PSA reductions of 50 and 70% in the two months following treatment. Patients experienced neutropenia and lymphopenia after conditioning, but no designer T cell-related toxicities. Results with additional patients will be described in terms of safety, engraftment efficiency and tumor responses. Conclusions: A new approach to adoptive immune therapy in metastatic prostate cancer has been devised. This clinical trial is funded by the US Army/DOD. No significant financial relationships to disclose.
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Affiliation(s)
- M. Abedi
- Roger Williams Medical Center, Providence, RI
| | - Q. Ma
- Roger Williams Medical Center, Providence, RI
| | - A. Bais
- Roger Williams Medical Center, Providence, RI
| | - E. Gomes
- Roger Williams Medical Center, Providence, RI
| | - E. Beaudoin
- Roger Williams Medical Center, Providence, RI
| | - L. Lu
- Roger Williams Medical Center, Providence, RI
| | - P. Davol
- Roger Williams Medical Center, Providence, RI
| | - S. I. Cohen
- Roger Williams Medical Center, Providence, RI
| | - R. Junghans
- Roger Williams Medical Center, Providence, RI
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Rezvan S, Baghban I, Bahrami F, Abedi M. A comparison of cognitive-behavior therapy with interpersonal and cognitive behavior therapy in the treatment of generalized anxiety disorder. Counselling Psych Quart 2008. [DOI: 10.1080/09515070802602096] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [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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Jenabian N, Abedi M, Tayebi P, Moghadamni A. Local Delivery of Metronidazole and Chlorhexidine as Toothpaste in Treatment of Adult Periodontitis. INT J PHARMACOL 2008. [DOI: 10.3923/ijp.2008.361.368] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Ale-Emran S, Abedi M, Gharehpetian G, Noroozian R. Dynamic operation of a photovoltaic system connected to distribution system. 2008 International Symposium on Power Electronics, Electrical Drives, Automation and Motion 2008. [DOI: 10.1109/speedham.2008.4581298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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Ale-Emran S, Forghani M, Abedi M, Gharehpetian G. Combined operation of UPQC and fuel cell with common DC bus. REPQJ 2008; 1:794-798. [DOI: 10.24084/repqj06.468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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Ale-Emran S, Baghaee H, Abedi M, Gharehpetian G. Analysis the islanding mode of combined operation of DG and UPQC in unbalanced distribution system. REPQJ 2008; 1:784-787. [DOI: 10.24084/repqj06.475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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27
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Baghaee H, Mirsalim M, Ale-Emran M, Abedi M, Gharehpetian G. Power factor improvement of DC/DC converter of micro-turbines. REPQJ 2008; 1:431-436. [DOI: 10.24084/repqj06.324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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28
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Lum L, Davol P, Colvin G, Rathore R, Abedi M, Palushock E, Olson A, Tarro T, Quesenberry P. Immune consolidation after stem cell transplant for CD20+ nonhodgkin’s lymphoma using multiple infusions of autologous activated t cells (ATC) with anti-cd3 x anti-cd20 bispecific antibody (CD20Bi) to improve graft-vs-lymphoma effects. Biol Blood Marrow Transplant 2006. [DOI: 10.1016/j.bbmt.2005.11.365] [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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29
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Colvin G, Rathore R, Lum L, Abedi M, Ballen K, Dey B, Elfenbein G, Quesenberry P. Cellular immunotherapy utilizing low-dose irradiation, bone marrow transplantation. And donor lymphocyte infusions for acute leukemia: A phase II study. Biol Blood Marrow Transplant 2005. [DOI: 10.1016/j.bbmt.2004.12.017] [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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Talebi SM, Abedi M. Determination of arsenic in air particulates and diesel exhaust particulates by spectrophotometry. J Environ Sci (China) 2005; 17:156-8. [PMID: 15900780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
A method was developed for the determination of trace arsenic by spectrophotometry. The proposed method is rapid, simple, and inexpensive. This method can be used for sensitive determination of trace arsenic in environmental samples and especially in air particulates. The results obtained by this method as a proposed method were compared with those obtained by hydride generation atomic absorption spectrometry as a popular reported method for the determination of arsenic and an excellent agreement was found between them. The method was also used for determination of arsenic associated with airborne particulate matter and diesel exhaust particulates. The results showed that considerable amount of arsenic are associated with diesel engine particulates. The variation in concentration of arsenic was also investigated. The atmospheric concentration of arsenic was different in different sampling stations was dependent to the traffic density.
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Affiliation(s)
- S M Talebi
- Department of Chemistry, Isfahan University, Isfahan 81745, Iran.
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Quesenberry P, Abedi M, Dooner M, Colvin G, Sanchez-Guijo FM, Aliotta J, Pimentel J, Dooner G, Greer D, Demers D, Keaney P, Peterson A, Luo L, Foster B. The marrow cell continuum: stochastic determinism. Folia Histochem Cytobiol 2005; 43:187-90. [PMID: 16382882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023] Open
Abstract
Traditional models of hematopoiesis have been hierarchical in nature. Over the past 10 years, we have developed data indicating that hematopoiesis is regulated in a continuum with deterministic and stochastic components. We have shown that the most primitive stem cells, as represented by lineage negative rhodamine(low) Hoechst(low) murine marrow cells are continuously or intermittently cycling as determined by in vivo BrdU labeling. When marrow stem cells are induced to transit cell cycle by in vitro exposure to cytokines, either IL-3, IL-6, IL-11, and steel factor or thrombopoietin, FLT3 ligand, and steel factor, they progress through cycle in a highly synchronized fashion. We have determined that when the stem cells progress through a cytokine stimulated cell cycle the homing, engraftment, adhesion protein, global gene expression, and hematopoietic differentiation phenotypes all change in a reversible fashion. This has led to the continuum model, in which, with cycle transit, chromatin is continually changing altering open transcription areas and providing a continually changing landscape of transcriptional opportunity. More recently, we have extended the changing differentiation profiles to differentiation into lung cells and found that non-hematopoietic differentiation also shows cycle related reversibly modulation. These observations all together support a continuum model of stem cell regulation in which the phenotype of the marrow stem cells is continually and reversibly changing over time.
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Affiliation(s)
- P Quesenberry
- Department of Research, Roger Williams Medical Center, 825 Chalkstone Avenue, Providence, RI 02908, USA.
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Colvin GA, Lambert JF, Abedi M, Dooner MS, Demers D, Moore BE, Greer D, Aliotta JM, Pimentel J, Cerny J, Lum LG, Quesenberry PJ. Differentiation hotspots: the deterioration of hierarchy and stochasm. Blood Cells Mol Dis 2004; 32:34-41. [PMID: 14757410 DOI: 10.1016/j.bcmd.2003.09.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The conception of the present-day model of hematopoiesis was begun by the work of Professor Ernst Neumann in the 19th century when he established that immature blood cells in the bone marrow migrate out into the blood vessels. Here was the birth of the hierarchical model of hematopoiesis. Jumping 135 years into the present day, recent data suggests that the stem cell regulation is not based on the classic hierarchical model, but instead more on a functional continuum. Presumptively, chromatin remodeling with cycle transit underlies changes in gene expression. This implies that the differentiative potential of primitive stem cells should also shift with cycle transit. This model proposes a less rigid system, at least in the early stem cell and progenitor compartments in which the functional characteristics of stem cells change as they go through cycle transit. We have shown that hematopoietic stem cells reversibly shift their engraftment phenotype with cytokine induced cell cycle transit. Other shifts include adhesion protein expression, cytokine receptor expression, gene expression, and progenitor phenotype. We have also found differentiation "hotspots", culture times (reflective of cell cycle state) at which stem cell differentiation was directed toward a specific lineage. This data inaugurates the end of a pure stochastic model. This work complements existing scientific work without discounting it and adds an additional dimension of complexity (or simplicity) to the process of hematopoiesis.
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Affiliation(s)
- Gerald A Colvin
- Department of Research, Roger Williams Medical Center, Providence, RI 02908, USA.
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Abedi M, Greer DA, Colvin GA, Demers DA, Dooner MS, Harpel JA, Pimentel J, Menon MK, Quesenberry PJ. Tissue injury in marrow transdifferentiation. Blood Cells Mol Dis 2004; 32:42-6. [PMID: 14757411 DOI: 10.1016/j.bcmd.2003.09.026] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Recent findings indicate that adult BM contains cells that can differentiate into mature, nonhematopoietic cells of multiple tissues including cells of the kidney, lung, liver, skin and GI tract and fibers of heart and skeletal muscle. Recently the number of these observations has substantially increased, but there is a lack of information on the mechanistic issues in stem cell plasticity. In three different models for skin, liver and skeletal muscle plasticity, we have shown that following transplantation of the marrow cells from green fluorescent protein (GFP) transgenic mice, high levels of conversion of marrow cells can be identified. Injury to the tissue was the single most important factor for this phenomenon since the incidence of marrow to other tissue conversions significantly increased after tissue injury was implemented. Our studies also demonstrate the effect of radiation on the extent of marrow conversion.
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Affiliation(s)
- M Abedi
- Department of Research, Roger Williams Medical Center, Providence, RI 02908-4735, USA
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Colvin GA, Lambert JF, Abedi M, Hsieh CC, Carlson JE, Stewart FM, Quesenberry PJ. Murine marrow cellularity and the concept of stem cell competition: geographic and quantitative determinants in stem cell biology. Leukemia 2004; 18:575-83. [PMID: 14749701 DOI: 10.1038/sj.leu.2403268] [Citation(s) in RCA: 85] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
In unperturbed mice, the marrow cell numbers correlate with the stem cell numbers. High levels of long-term marrow engraftment are obtained with infusion of high levels of marrow cells in untreated mice. To address the issue of stem cell competition vs 'opening space', knowledge of total murine marrow cellularity and distribution of stem and progenitor cells are necessary. We determined these parameters in different mouse strains. Total cellularity in BALB/c mice was 530+/-20 million cells; stable from 8 weeks to 1 year of age. C57BL/6J mice had 466+/-48 million marrow cells. Using these data, theoretical models of infused marrow (40 million cells) replacing or adding to host marrow give chimerism values of 7.5 and 7.0%, respectively; the observed 8-week engraftment of 40 million male BALB/c marrow cells into female hosts (72 mice) gave a value of 6.91+/-0.4%. This indicates that syngeneic engraftment is determined by stem cell competition. Our studies demonstrate that most marrow cells, progenitors and engraftable stem cells are in the spine. There was increased concentration of progenitors in the spine. Total marrow harvest for stem cell purification and other experimental purposes was both mouse and cost efficient with over a four-fold decrease in animal use and a financial saving.
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Affiliation(s)
- G A Colvin
- Department of Research, Roger Williams Medical Center, Providence, RI, USA.
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Abedi M, Greer D, Lambert JF, Colvin GA, Dooner MS, McAuliffe CI, Demers D, Moore BE, Quesenberry PJ. Tolerance induction by costimulator blockade in 100 cGy treated hosts with varying degrees of genetic disparity. Leukemia 2003; 17:1871-9. [PMID: 12970789 DOI: 10.1038/sj.leu.2403070] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Long-term multilineage allochimerism can be obtained in H2-mismatched B6.SJL to BALB/c transplants with host irradiation of 100 cGy, donor spleen cell pre-exposure and costimulator blockade with anti-CD40 ligand (CD40L) antibody. We evaluated this allochimerism approach in murine marrow transplants with different degrees of major histocompatibility complexe (MHC) mismatching; these include: (1) H2-mismatched transplant H2Kk to H2Kb, (2) full haplo-identical transplant H2Kbd to H2Kbk, (3) a partial haplo-identical transplant H2Kd to H2Kbd and (4) an MHC class II mismatch. Levels of chimerism increased up to 12 weeks and then stayed relatively stable up to 1 year after transplant. At 18 weeks post-transplant, the H2-mismatched, haplo-identical, partial haplo-identical and class II-mismatch transplants evidenced 17.9+/-4.4, 40.7+/-0.9, 25.1+/-4.19 and 33.7+/-3.5% donor chimerism, respectively. Dropping the anti-CD40 antibody treatment and spleen cells or changing the schedule of antibody to one injection, in haplo-identical or full-mismatched transplants resulted in no donor-derived chimerism. On the other hand, these still resulted in minor chimerism in class II-mismatched transplants. Lineage analysis of peripheral blood at 6 and 12 months post-transplant demonstrated a significant shift toward increased chimeric lymphocytes and decreased chimeric granulocytes in the full H2 as compared with haplo-identical or class II transplants. Transplantation with anti-CD40L antibody eliminated both graft-versus-leukemia and graft-versus-host disease (GVHD) and delayed lymphocyte infusion did not rescue animals from fatal leukemia. In conclusion, under the conditions of our tolerization regimen, a haplo transplant gives higher engraftment levels than a full H2 mismatch, and despite lower engraftment levels, a class II-mismatched transplant can be successfully accomplished with only 100 cGy and no CD40L blockade.
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Affiliation(s)
- M Abedi
- Department of Research, Roger Williams Medical Center, Providence, RI 02908, USA
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36
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Quesenberry PJ, Colvin GA, Abedi M, Lambert JF, Moore B, Demers D, Greer D, McAuliffe C, Dooner M, Lum LG, Badiavas E, Falanga V. The marrow stem cell: the continuum. Bone Marrow Transplant 2003; 32 Suppl 1:S19-22. [PMID: 12931234 DOI: 10.1038/sj.bmt.1703938] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The marrow hematopoietic stem cell is currently being redefined as to all aspects of its phenotype and its total differentiation capacity. This redefinition now includes its plasticity as to production of nonhematopoietic and hematopoietic cell types, the determinants of its in vivo engraftment potential and its expression of stem cell functional characteristics.
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Affiliation(s)
- P J Quesenberry
- Roger Williams Medical Center, 825 Chalkstone Avenue, Providence, RI 02908-4735, USA
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Quesenberry P, Colvin G, Lambert JF, Abedi M, Cerny J, Dooner M, Moore B, McAuliffe C, Demers D, Greer D, Parent A, Badiavas E, Lum L, Falanga V. Marrow stem cell potential within a continuum. Ann N Y Acad Sci 2003; 996:209-21. [PMID: 12799298 DOI: 10.1111/j.1749-6632.2003.tb03248.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
On the basis of our studies of the fluctuation of the hematopoietic stem cell phenotype with cell cycle trnsit, we hypothesize that the ability of marrow stem cells to convert to nonhematopoietic cells will also vary at different points in the cell cycle. The new biology of stem cells has an impact on many fields including developmental biology and stem cell biology and the clinical potential is enormous.
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Affiliation(s)
- P Quesenberry
- The Research Department, Roger Williams Medical Center, Providence, Rhode Island 02908, USA.
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Colvin G, Lambert J, Lum L, Rathore R, Falvey M, Abedi M, Quesenberry P, Elfenbein G. 47 Universal outpatient immunotherapeutic approach for heme malignancies in the absence of donor chimerism: Anti-tumor responses in HLA-Haploidentical cell infusions in 100CGY treated hosts. Biol Blood Marrow Transplant 2003. [DOI: 10.1016/s1083-8791(03)80048-4] [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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39
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Stewart FM, Zhong S, Lambert JF, Colvin GA, Abedi M, Dooner MS, McAuliffe CI, Wang H, Hsieh C, Quesenberry PJ. Host marrow stem cell potential and engraftability at varying times after low-dose whole-body irradiation. Blood 2001; 98:1246-51. [PMID: 11493477 DOI: 10.1182/blood.v98.4.1246] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
High levels of chimerism in syngeneic BALB/c transplants were reported when hosts were exposed to 1 Gy (100 cGy) whole body irradiation (WBI) and infused with 40 x 10(6) marrow cells. The recovery of host stem cells and alterations of enhanced host engraftability at varying times after 1 Gy WBI have now been evaluated in this study. Male BALB/c marrow (40 x 10(6) cells) was infused into female BALB/c hosts immediately or at 6, 12, and 24 weeks after 1 Gy WBI of host female BALB/c mice; engraftment percentages 8 weeks after cell injection at week 0, 6, 12, or 24 were 68% +/- 12%, 45% +/- 15%, 51% +/- 12%, or 20% +/- 8%, respectively. Eight-week engraftment levels in nonirradiated hosts average 7.7%. Conversely, engraftable stem cells measured at 8 weeks postengraftment in 1 Gy--exposed hosts were reduced to 8.6% +/- 3% of nonirradiated mice at time 0, 35% +/- 12% 6 weeks later, 49% +/- 10% at 3 months, and 21% +/- 7% at 6 months. Engraftment was still increased and stem cell decreased 1 year after 1 Gy. Furthermore, the primary cells transplanted into 1 Gy hosts can be serially transplanted, and the predominant effect of 1 Gy is directly on engrafting stem cells and not through accessory cells. These data show that transplantation in 1 Gy mice may be delayed until recovery of hematopoiesis, suggesting strategies in allogeneic transplantation to avoid the adverse effects of cytokine storm. The incomplete recovery of engraftable stem cells out to 12 months indicates that stem cell expansion, especially in patients previously treated with radiomimetic drugs, may not be feasible. (Blood. 2001;98:1246-1251)
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Affiliation(s)
- F M Stewart
- University of Massachusetts Cancer Center, Worcester, USA
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40
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Quesenberry PJ, Stewart FM, Becker P, D'Hondt L, Frimberger A, Lambert JF, Colvin GA, Miller C, Heyes C, Abedi M, Dooner M, Carlson J, Reilly J, McAuliffe C, Stencel K, Ballen K, Emmons R, Doyle P, Zhong S, Wang H, Habibian H. Stem cell engraftment strategies. Ann N Y Acad Sci 2001; 938:54-61; discussion 61-2. [PMID: 11458526 DOI: 10.1111/j.1749-6632.2001.tb03574.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
The donor stem cell phenotype and host microenvironment determine the outcome of a stem cell transplant. In a series of transplant studies in syngeneic male to female or congenic Ly5.1/Ly5.2 models in which hosts have received no or minimal irradiation (100 cGy), evidence overwhelmingly supports the concept that syngeneic engraftment is determined by stem cell competition. These approaches can be extended to H-2 mismatched allogeneic mouse combination when antigen pre-exposure and CD40-CD40 ligand antibody blockage are employed. A human trial in patients with resistant neoplasia infusing pheresed blood with 10(8) CD3 cells/kg showed that tumor responses and complete chimerism occur with very low levels of CD34+ cells/kg and that the extent of previous treatment is a critical factor in determining chimerism. A major feature of transplants is the phenotype of the donor stem cell. This phenotype shows dramatic reversible plasticity involving differentiation, adhesion protein expression, and engraftment with cytokine-induced cell-cycle transit. Homing is probably also plastic. Marked fluctuations in engraftment capacity are also seen at different points in marrow circadian rhythm.
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Affiliation(s)
- P J Quesenberry
- Department of Medicine, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA
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Abstract
Celiac plexus neurolysis is an established technique for relieving pain in cancers of the upper abdomen. This article reviews the novel technique of endoscopic ultrasound (EUS)-guided neurolytic celiac plexus block. This recently described procedure is a therapeutic extension of curvilinear array endosonographic fine needle aspiration. The indications, patient preparation, and technical aspects of the procedure are described in detail. The potential complications are mentioned and the results of the published studies are reviewed. We believe that where the expertise is available, this procedure can be integrated into the diagnostic EUS of patients with inoperable upper abdominal malignancy. As such, this would be the safest and most cost-effective approach for celiac plexus neurolysis in these patients. The role of EUS-guided celiac plexus block in patients with chronic pancreatitis may be emerging and needs further study.
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Affiliation(s)
- M Abedi
- Gastroenterology Division, Medical College of Virginia Commonwealth University, Richmond, Virginia 23298-0711, USA.
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Albanese J, Abedi M, Khamiees M, Dainiak N. Ionizing radiation (Ir) Alters functional activity of cell surface fas and fas ligand (Fasl) In human bone marrow stromal cells. Exp Hematol 2000. [DOI: 10.1016/s0301-472x(00)00590-7] [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: 10/18/2022]
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IJdo JW, Conti-Kelly AM, Greco P, Abedi M, Amos M, Provenzale JM, Greco TP. Anti-phospholipid antibodies in patients with multiple sclerosis and MS-like illnesses: MS or APS? Lupus 1999; 8:109-15. [PMID: 10192504 DOI: 10.1191/096120399678847461] [Citation(s) in RCA: 70] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To describe the frequency, clinical, and laboratory features of patients diagnosed with multiple sclerosis (MS) or MS-like illnesses (MSL) among a large, prospectively followed cohort of anti-phospholipid antibody (aPL)-positive patients. METHODS Between 1990 and 1995 patients referred to a university-affiliated rheumatology clinic were prospectively evaluated for aPL based on questionnaires designed to detect aPL-related symptoms and/or a family history of aPL-related illnesses. Magnetic resonance imaging (MRI) was performed when significant neurological features were present. A subgroup of all patients diagnosed with MS or MSL was identified and their clinical, laboratory, and imaging findings were reviewed. RESULTS Of 322 patients evaluated for aPL-related symptoms or events, 189 (59%) were positive for at least one class of aPL. Twenty-six of 322 patients (8%) carried a diagnosis of MS or MSL, either at the initial evaluation or during the study period. Twenty-three of the 26 individuals (88%) tested positive for aPL, while the remaining 3 (11%) tested repeatedly negative. Eighteen of the 23 patients (78%) had either more than one class of aPL or had multiple positive titers. IgM aCL was noted in 18 of the 23 patients (78%). Oligoclonal bands were noted in five patients. Antinuclear antibodies (ANA) and low complement levels were frequently observed. Blinded MRI readings showed lesions consistent with MS in the majority of cases. Clinically, 7 patients had transverse myelitis (TM), while optic neuritis (ON) was present in 8 patients. Most patients had either occult symptoms of rheumatic disease or contributory family histories. None had a defined underlying connective-tissue disease. CONCLUSION A substantial number of aPL-positive patients have a concurrent diagnosis of MS or MSL, frequently presenting with elevated IgM aCL, optic neuritis, and transverse myelitis. The anti-phospholipid syndrome (APS) should be strongly considered as an alternative diagnosis to MS in these patients.
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Affiliation(s)
- J W IJdo
- Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut, USA
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Abedi M, Haber GB. Watermelon stomach. Gastroenterologist 1997; 5:179-84. [PMID: 9298372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Watermelon stomach (WMS) is an uncommon cause of chronic gastrointestinal blood loss, which once suspected can often be easily diagnosed and endoscopically managed in most cases. The current review intends to heighten the gastroenterologist's awareness of this condition to avoid costly delays in its diagnosis. The characteristic endoscopic appearance of WMS and the other variants of gastric vascular ectasia (GVE) are described. The conditions often associated with WMS are reviewed, including the recently described occurrence of WMS in bone marrow transplant patients presenting with acute upper gastrointestinal hemorrhage. We have clearly differentiated GVE from portal hypertensive gastropathy. The biopsy findings, although usually not required for diagnosis, are discussed. The theories of pathogenesis of WMS are presented and their relation to the observed phenomena is explored. Finally, the management of GVE, which essentially involves endoscopic application of thermal ablation methods, and the newer developments in the field, such as argon plasma coagulation, are discussed.
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Affiliation(s)
- M Abedi
- Centre for Advanced Therapeutic Endoscopy and Endoscopic Oncology, Wellesley-Hospital, University of Toronto, Ontario, Canada
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45
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Abstract
Using fluoroscopic guidance, polyethylene biliary stents are replaced endoscopically or percutaneously when bile duct stenosis recurs. To improve the sensitivity of conventional biliary cytology, we examined cells recovered from removed stents. Biliary stents removed endoscopically from each of 11 patients were rinsed with saline; next, the rinse was centrifuged and the sediment smeared and Papanicolaou stained. Three patients with choledocholithiasis had biliary stent replacement cytology (BSRC) to exclude a neoplastic etiology. Eight patients with clinicoradiologic evidence of hepatobiliary or pancreatic carcinoma had BSRCs performed for pathologic documentation of carcinoma. BSRC from six of eight patients with clinicoradiologically malignant biliary strictures contained malignant cells, predominantly in loose clusters, but also singly (sensitivity 75%, specificity 100%; positive predictive value 75%, negative predicative value 60%). Reparative epithelial atypia was also present in all cases. BSRC from two patients with clinicoradiological evidence of carcinoma of the biliary region and from three with choledocholithiasis contained only bile pigment, leukocytes, and benign epithelial cells. The sampling of cells which have accumulated on, or in biliary stents, improves the sensitivity of biliary cytology. This is most applicable when 1) a patient is inoperable, 2) tissue biopsy is neither feasible nor diagnostic, 3) prior brush, suction, percutaneous, or endoscopic needle aspiration cytology is inconclusive, and 4) permanent metal stent is needed.
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Affiliation(s)
- A Simsir
- Department of Pathology, Columbia Presbyterian Medical Center, College of Physicians and Surgeons of Columbia University, New York, NY 10032, USA
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46
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Abstract
The full-length genes for the heavy (H) and light (L) chains of ferritin isolated from a rat liver cDNA library were amplified using polymerase chain reaction. Each was inserted at the unique BglII site downstream of the p10 promoter of the baculovirus transfer vector pAcUW21. The genes were transferred separately to infectious Autographa californica nuclear polyhedrosis virus (AcNPV) expression vectors after in vivo homologous recombination. Ferritin homopolymers of either H or L chain were expressed up to approximately 1.5 mg per 100 ml of infected cultures (2.0 x 10(6) cells/ml) of Spodoptera frugiperda, Sf-21, 4 days postinfection. Both recombinant H chain ferritin (rH-Ft) and recombinant L chain ferritin (rL-Ft) assembled as multi-subunit complexes with predicted electrophoretic mobility. Neither rH-Ft nor rL-Ft homopolymers had ferroxidase activity in 50 mM NaCl, as we have reported previously for native ferritin [D. DeSilva, D. M. Miller, D.W. Reif, and S.D. Aust (1992) Arch. Biochem. Biophys. 293,409-415]. When ceruloplasmin, a copper-containing protein, was used as a ferroxidase, rH-Ft loaded iron at rates comparable those obtained with native rat liver apoferritin, but rL-Ft failed to load any iron. The initial rate of Fe(II) oxidation catalyzed by ceruloplasmin was increased in the presence of rH-Ft or rat liver ferritin but not in the presence of rL-Ft. A maximum of about 2500 atoms of iron were incorporated into both rH-Ft and rat liver ferritin. These results demonstrate that both rat liver rH-Ft and rL-Ft homopolymer can be properly produced by the baculovirus expression system and ceruloplasmin can only load iron into H chain ferritin. The physiological significance of these results is discussed.
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Affiliation(s)
- J H Guo
- Biotechnology Center, Utah State University, Logan 84322-4705, USA
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