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Sai Folmsbee S, Hui G, Yuan Y, Gombar S, Han M, Le S. Antipsychotic medications associated with increased length of hospital stay in autoimmune encephalitis and multiple sclerosis: A retrospective study. J Clin Neurosci 2024; 124:87-93. [PMID: 38677201 DOI: 10.1016/j.jocn.2024.04.021] [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: 11/03/2023] [Revised: 03/29/2024] [Accepted: 04/19/2024] [Indexed: 04/29/2024]
Abstract
BACKGROUND Antipsychotic medications (APMs) and selective serotonin reuptake inhibitors (SSRIs) are frequently utilized in patients with neuroinflammatory disorders, such as autoimmune encephalitis and multiple sclerosis (MS). This retrospective study investigates how in-hospital treatment with APMs and SSRIs in patients with these neuroinflammatory diseases are associated with differences in hospital length-of-stay (LOS) and mortality. METHODS We evaluated all the inpatients in the Stanford University Hospital from 2008 to 2023 diagnosed with either non-infectious encephalitis or MS and subdivided them into those who did or did not receive APMs or SSRIs while hospitalized. We then analyzed whether hospital LOS and mortality differed with these medications. RESULTS Among inpatients with non-infectious encephalitis (n = 114), those who were exposed to APMs had a significantly increased mean LOS (11.8 vs 20.9 days, p < 0.01). For inpatients with MS (n = 1095), treatment with an APM was associated with a significant increase in mean LOS (2.8 vs. 7.1, p < 0.00001). When comparing typical to atypical APMs given to subjects with MS, those who received atypical APMs showed a significant increase in LOS (4.3 vs 10.5, p < 0.01), although typical APMs showed significantly increased risk of mortality (p < 0.05). For inpatients with MS and SSRI use, there was a significant increase in mean hospital LOS (3.5 vs 5.3, p < 0.01), with a significant difference found in those who received fluoxetine or citalopram, but not sertraline or escitalopram. Finally, several healthcare disparities were found, including that Black patients were more likely to receive APMs, and those with MS were more likely to receive typical rather than atypical APMs. Conversely, Black patients with MS were less likely to receive SSRI treatment. CONCLUSIONS There was a statistically significant increase in LOS associated with APM use in non-infectious encephalitis and MS, as well as with SSRI use in MS. These data reflect the importance of these medications in these neuroinflammatory disorders and suggest that further investigation into their risks and benefits would be warranted.
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Affiliation(s)
- Stephen Sai Folmsbee
- Stanford University, Department of Psychiatry, 401 Quarry Rd, Palo Alto, CA 94304, USA.
| | - Gavin Hui
- Atropos Health (www.atroposhealth.com/), Palo Alto, CA 94304, USA
| | - Ye Yuan
- Atropos Health (www.atroposhealth.com/), Palo Alto, CA 94304, USA
| | - Saurabh Gombar
- Atropos Health (www.atroposhealth.com/), Palo Alto, CA 94304, USA
| | - May Han
- Stanford University, Department of Neurology, Neuroimmunology Division, 213 Quarry Rd, Palo Alto, CA 94304, USA
| | - Scheherazade Le
- Stanford University, Department of Neurology, Stanford Comprehensive Epilepsy Center, 213 Quarry Rd, Palo Alto, CA 94304, USA
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Singhal S, Dickerson J, Glover MJ, Roy M, Chiu M, Ellis-Caleo T, Hui G, Tamayo C, Loecher N, Wong HN, Heathcote LC, Schapira L. Patient-reported outcome measurement implementation in cancer survivors: a systematic review. J Cancer Surviv 2024; 18:223-244. [PMID: 35599269 DOI: 10.1007/s11764-022-01216-w] [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: 01/18/2022] [Accepted: 05/10/2022] [Indexed: 10/18/2022]
Abstract
PURPOSE Patient-reported outcome measurements (PROMs) are increasingly used for cancer patients receiving active treatment, but little is known about the implementation and usefulness of PROMs in cancer survivorship care. This systematic review evaluates how cancer survivors and healthcare providers (HCPs) perceive PROM implementation in survivorship care, and how PROM implementation impacts cancer survivors' health outcomes. METHODS We systematically searched PubMed/MEDLINE, Embase, CINAHL, Web of Science, and Cochrane Database of Systematic Reviews from database inception to February 2022 to identify randomized and nonrandomized studies of PROM implementation in cancer survivors. RESULTS Based on prespecified eligibility criteria, we included 29 studies that reported on 26 unique PROMs. The studies were heterogeneous in study design, PROM instrument, patient demographics, and outcomes. Several studies found that cancer survivors and HCPs had favorable impressions of the utility of PROMs, and a few studies demonstrated that PROM implementation led to improvements in patient quality of life (QoL), with small to moderate effect sizes. CONCLUSIONS We found implementation of PROMs in cancer survivorship care improved health outcomes for select patient populations. Future research is needed to assess the real-world utility of PROM integration into clinical workflows and the impact of PROMs on measurable health outcomes. IMPLICATIONS FOR CANCER SURVIVORS Cancer survivors accepted PROMs. When successfully implemented, PROMs can improve health outcomes after completion of active treatment. We identify multiple avenues to strengthen PROM implementation to support cancer survivors.
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Affiliation(s)
- Surbhi Singhal
- Department of Medicine, Division of Medical Oncology, Stanford University, Stanford, CA, USA.
| | - James Dickerson
- Department of Medicine, Division of Medical Oncology, Stanford University, Stanford, CA, USA
| | | | - Mohana Roy
- Department of Medicine, Division of Medical Oncology, Stanford University, Stanford, CA, USA
| | - Michelle Chiu
- Department of Medicine, Stanford University, Stanford, CA, USA
| | | | - Gavin Hui
- Department of Medicine, Stanford University, Stanford, CA, USA
| | | | - Nele Loecher
- Department of Mental Health Law and Policy, University of South Florida, Tampa, FL, USA
| | - Hong-Nei Wong
- Lane Medical Library & Knowledge Management Center, Stanford University School of Medicine, Stanford, CA, USA
| | - Lauren C Heathcote
- Health Psychology Section, Department of Psychology, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, UK
| | - Lidia Schapira
- Department of Medicine, Division of Medical Oncology, Stanford University, Stanford, CA, USA
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3
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El Zarif T, Nassar AH, Pond GR, Zhuang TZ, Master V, Nazha B, Niglio S, Simon N, Hahn AW, Pettaway CA, Tu SM, Abdel-Wahab N, Velev M, Flippot R, Buti S, Maruzzo M, Mittra A, Gheeya J, Yang Y, Rodriguez PA, Castellano D, de Velasco G, Roviello G, Antonuzzo L, McKay RR, Vincenzi B, Cortellini A, Hui G, Drakaki A, Glover M, Khaki AR, El-Am E, Adra N, Mouhieddine TH, Patel V, Piedra A, Gernone A, Davis NB, Matthews H, Harrison MR, Kanesvaran R, Giudice GC, Barata P, Farolfi A, Lee JL, Milowsky MI, Stahlfeld C, Appleman L, Kim JW, Freeman D, Choueiri TK, Spiess PE, Necchi A, Apolo AB, Sonpavde GP. Safety and efficacy of immune checkpoint inhibitors in advanced penile cancer: report from the Global Society of Rare Genitourinary Tumors. J Natl Cancer Inst 2023; 115:1605-1615. [PMID: 37563779 PMCID: PMC11032703 DOI: 10.1093/jnci/djad155] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [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] [Received: 06/20/2023] [Revised: 07/26/2023] [Accepted: 08/02/2023] [Indexed: 08/12/2023] Open
Abstract
BACKGROUND Treatment options for penile squamous cell carcinoma are limited. We sought to investigate clinical outcomes and safety profiles of patients with penile squamous cell carcinoma receiving immune checkpoint inhibitors. METHODS This retrospective study included patients with locally advanced or metastatic penile squamous cell carcinoma receiving immune checkpoint inhibitors between 2015 and 2022 across 24 centers in the United States, Europe, and Asia. Overall survival and progression-free survival were estimated using the Kaplan-Meier method. Objective response rates were determined per Response Evaluation Criteria in Solid Tumours 1.1 criteria. Treatment-related adverse events were graded per the Common Terminology Criteria for Adverse Events, version 5.0. Two-sided statistical tests were used for comparisons. RESULTS Among 92 patients, 8 (8.7%) were Asian, 6 (6.5%) were Black, and 24 (29%) were Hispanic and/or Latinx. Median (interquartile range) age was 62 (53-70) years. In all, 83 (90%) had metastatic penile squamous cell carcinoma, and 74 (80%) had received at least second-line treatment. Most patients received pembrolizumab monotherapy (n = 26 [28%]), combination nivolumab-ipilimumab with or without multitargeted tyrosine kinase inhibitors (n = 23 [25%]), or nivolumab (n = 16 [17%]) or cemiplimab (n = 15 [16%]) monotherapies. Median overall and progression-free survival were 9.8 months (95% confidence interval = 7.7 to 12.8 months) and 3.2 months (95% confidence interval = 2.5 to 4.2 months), respectively. The objective response rate was 13% (n = 11/85) in the overall cohort and 35% (n = 7/20) in patients with lymph node-only metastases. Visceral metastases, Eastern Cooperative Oncology Group (ECOG) performance status of 1 or higher, and a higher neutrophil/lymphocyte ratio were associated with worse overall survival. Treatment-related adverse events occurred in 27 (29%) patients, and 9.8% (n = 9) of the events were grade 3 or higher. CONCLUSIONS Immune checkpoint inhibitors are active in a subset of patients with penile squamous cell carcinoma. Future translational studies are warranted to identify patients more likely to derive clinical benefit from immune checkpoint inhibitors.
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Affiliation(s)
- Talal El Zarif
- Lank Center for Genitourinary Oncology, Dana-Farber Cancer Institute, Boston, MA, USA; Harvard Medical School, Boston, MA, USA
- Yale Cancer Center, Yale School of Medicine, New Haven, CT, USA
| | - Amin H Nassar
- Yale Cancer Center, Yale School of Medicine, New Haven, CT, USA
| | - Gregory R Pond
- Department of Oncology, McMaster University, Hamilton, ON, Canada
| | - Tony Zibo Zhuang
- Department of Medicine, Emory University School of Medicine, Atlanta, GA, USA
| | - Viraj Master
- Department of Hematology and Medical Oncology, Emory University School of Medicine, Winship Cancer Institute, Atlanta, GA, USA
| | - Bassel Nazha
- Department of Hematology and Medical Oncology, Emory University School of Medicine, Winship Cancer Institute, Atlanta, GA, USA
| | - Scot Niglio
- New York University Grossman School of Medicine, New York, NY, USA
| | - Nicholas Simon
- Genitourinary Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Andrew W Hahn
- University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | | | - Shi-Ming Tu
- Division of Hematology and Oncology, University of Arkansas for Medical Sciences, Winthrop P. Rockefeller Cancer Institute, Little Rock, AR, USA
| | - Noha Abdel-Wahab
- University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Assiut University Faculty of Medicine, Assiut University Hospitals, Assiut, Egypt
| | - Maud Velev
- Département d’Innovation Thérapeutique et Essais Précoces, Gustave Roussy—Paris-Saclay University, Villejuif, France
| | - Ronan Flippot
- Medical Oncology Department, Institute Gustave Roussy, Villejuif, France
| | - Sebastiano Buti
- Department of Medicine and Surgery, Oncology Unit, University Hospital of Parma, Parma, Italy
| | - Marco Maruzzo
- Oncology 1 Unit, Istituto Oncologico Veneto IOV—Istituto Di Ricovero e Cura a Carattere Scientifico, Padova, Italy
| | - Arjun Mittra
- Division of Medical Oncology, The Ohio State University Comprehensive Cancer Center, Columbus, OH, USA
| | - Jinesh Gheeya
- Genitourinary Oncology Section, Division of Medical Oncology, The Ohio State University Comprehensive Cancer Center—James Cancer Hospital, Columbus, OH, USA
| | - Yuanquan Yang
- Genitourinary Oncology Section, Division of Medical Oncology, The Ohio State University Comprehensive Cancer Center—James Cancer Hospital, Columbus, OH, USA
| | | | - Daniel Castellano
- Department of Medical Oncology, Hospital Universitario, 12 de Octubre, Madrid, Spain
| | - Guillermo de Velasco
- Department of Medical Oncology, Hospital Universitario, 12 de Octubre, Madrid, Spain
| | - Giandomenico Roviello
- Section of Clinical Pharmacology and Oncology, Department of Health Sciences, University of Florence, Florence, Italy
| | - Lorenzo Antonuzzo
- Clinical Oncology Unit, Careggi University Hospital, Florence, Italy
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Rana R McKay
- University of California San Diego, San Diego, CA, USA
| | - Bruno Vincenzi
- Medical Oncology Department, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy
| | - Alessio Cortellini
- Medical Oncology Department, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy
- Department of Surgery and Cancer, Hammersmith Hospital Campus, Imperial College London, London, United Kingdom
| | - Gavin Hui
- University of California Los Angeles, Los Angeles, CA, USA
| | | | - Michael Glover
- Division of Medical Oncology, Department of Medicine, Stanford University, Stanford, CA, USA
| | - Ali Raza Khaki
- Division of Medical Oncology, Department of Medicine, Stanford University, Stanford, CA, USA
| | - Edward El-Am
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, USA
| | - Nabil Adra
- Indiana University Simon Comprehensive Cancer Center, Indianapolis, IN, USA
| | - Tarek H Mouhieddine
- Division of Hematology and Medical Oncology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Vaibhav Patel
- Division of Hematology and Medical Oncology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Aida Piedra
- Medical Oncology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | | | - Nancy B Davis
- Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Harrison Matthews
- Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA
| | - Michael R Harrison
- Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA
| | | | - Giulia Claire Giudice
- Department of Medicine and Surgery, Oncology Unit, University Hospital of Parma, Parma, Italy
| | - Pedro Barata
- University Hospitals Seidman Cancer Center, Cleveland, OH, USA
| | - Alberto Farolfi
- Department of Medical Oncology, IRCCS Istituto Romagnolo per lo Studio dei Tumori “Dino Amadori,” Meldola, Italy
| | - Jae Lyun Lee
- University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - Matthew I Milowsky
- University of North Carolina, Lineberger Comprehensive Cancer Center, Chapel Hill, NC, USA
| | - Charlotte Stahlfeld
- Division of Hematology/Oncology, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Leonard Appleman
- Division of Hematology/Oncology, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Joseph W Kim
- Yale Cancer Center, Yale School of Medicine, New Haven, CT, USA
| | - Dory Freeman
- Lank Center for Genitourinary Oncology, Dana-Farber Cancer Institute, Boston, MA, USA; Harvard Medical School, Boston, MA, USA
| | - Toni K Choueiri
- Lank Center for Genitourinary Oncology, Dana-Farber Cancer Institute, Boston, MA, USA; Harvard Medical School, Boston, MA, USA
| | - Philippe E Spiess
- Department of Genitourinary Oncology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA
| | - Andrea Necchi
- Department of Genitourinary Oncology, Vita-Salute San Raffaele University, Milan, Italy
| | - Andrea B Apolo
- Genitourinary Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Guru P Sonpavde
- Division of Medical Oncology, Advent Health Cancer Institute, Orlando, FL, USA
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4
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Hui G, Stefanoudakis D, Zektser Y, Isaacs DJ, Hannigan C, Pantuck AJ, Drakaki A. Do Cancer Genetics Impact Treatment Decision Making? Immunotherapy and Beyond in the Management of Advanced and Metastatic Urothelial Carcinoma. Curr Oncol 2023; 30:7398-7411. [PMID: 37623017 PMCID: PMC10452970 DOI: 10.3390/curroncol30080536] [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: 07/06/2023] [Revised: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 08/26/2023] Open
Abstract
Bladder cancer is one of the most commonly diagnosed genitourinary malignancies. For many years, the primary treatment for metastatic urothelial cancer (mUC) was predicated on the use of platinum-based chemotherapy. More recently, immune checkpoint inhibitors (ICIs) were approved by regulatory agencies such as the US FDA for use in both the first- and second-line settings. This review outlines the approved ICIs for mUC in the second-line setting and as an alternative to chemotherapy in the first-line setting, as well as the novel agents that have also been incorporated into the treatment of this malignancy. Single-agent ICIs are often used in second-line settings in mUC, and there are three drugs currently approved for those who progress after receiving platinum-based chemotherapy. In the first-line setting, the preferred treatment regimen remains cisplatin-based chemotherapy. However, single-agent ICI can be an alternative first-line treatment for those who are not candidates for cisplatin-based therapy. There are also clinical trials adding ICIs to chemotherapy as combination regimens. However, treatment for mUC has now expanded even beyond immunotherapy. Newer targeted agents such as erdafitinib, a fibroblast growth factor receptor inhibitor, and two antibody-drug conjugates, enfortumab vedotin and sacituzumab govitecan, have been recently approved. As new drug agents are discovered, it will be important to assess both the treatment outcomes as well as the effects on patients' quality of life. Furthermore, integrating genetic and molecular information can help guide treatment decisions as next-generation sequencing is more commonly acquired during the evaluation of newly diagnosed patients with advanced and metastatic cancer.
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Affiliation(s)
- Gavin Hui
- Department of Medicine, Division of Hematology and Oncology, David Geffen School of Medicine, Los Angeles, CA 90095, USA
| | | | - Yuliya Zektser
- Department of Medicine, Division of Hematology and Oncology, David Geffen School of Medicine, Los Angeles, CA 90095, USA
| | - Dayna Jill Isaacs
- Department of Medicine, David Geffen School of Medicine, Los Angeles, CA 90095, USA
| | - Christopher Hannigan
- Department of Medicine, Division of Hematology and Oncology, David Geffen School of Medicine, Los Angeles, CA 90095, USA
| | - Allan J. Pantuck
- Department of Urology, David Geffen School of Medicine, Los Angeles, CA 90095, USA
| | - Alexandra Drakaki
- Department of Medicine, Division of Hematology and Oncology, David Geffen School of Medicine, Los Angeles, CA 90095, USA
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5
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El Zarif T, Nassar A, Jiang L, Pond GR, Zhuang T, Velev M, Hahn AW, Buti S, Álvarez P, McKay RR, Vincenzi B, El-Am E, Hui G, Lee JL, Mouhieddine TH, Milowsky MI, Matthews H, Barata PC, Apolo AB, Sonpavde GP. Safety and efficacy of immune checkpoint inhibitors (ICI) in advanced penile squamous cell carcinoma (PeCa): An international study from the Global Society of Rare Genitourinary Tumors (GSRGT). J Clin Oncol 2023. [DOI: 10.1200/jco.2023.41.6_suppl.5] [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: 03/18/2023] Open
Abstract
5 Background: Management options for patients (pts) with advanced (locally advanced or metastatic) PeCa are limited. The GSRGT assembled an international cohort of pts with advanced PeCa treated with ICI to evaluate toxicity and clinical outcomes. Methods: We retrospectively collected data on pts with advanced PeCa receiving ≥1 cycle of ICI between 2015-2022 at 18 medical centers in the US, Europe, and Asia. Immune-related adverse events (irAE) were graded per the Common Terminology Criteria for Adverse Events v5.0. Overall survival (OS) and progression-free survival (PFS) were estimated by the Kaplan-Meier method. Objective response rate (ORR) was determined by the clinical investigator per RECIST 1.1 criteria, whenever feasible. Results: Among 72 pts with advanced PeCa treated with ICI, 24 (33%) were Hispanic and 7 (10%) were Black. 60 (83%) pts had metastases while the remainder had locally advanced disease. The median age was 64 (inter-quartile range (IQR): 54,70) years and 48 (67%) had ECOG performance status ≥1. Most pts (n=60, 83%) were treated in the ≥2nd line setting and received pembrolizumab (n=23), nivolumab (n=15), cemiplimab (n=15), nivolumab and ipilimumab (n=7), or other anti-PD1/L1-based therapies (n=12). Among 37 pts with available data on HPV status, 24 (65%) were HPV+. 3 (4%) pts were HIV+. irAE of any grade occurred in 18 (25%) pts, 7 (10%) were grade ≥3, 7 (10%) required steroids, 6 (9%) required hospitalization, and 8 (11%) led to treatment discontinuation. The median OS and 24-month OS and median PFS and 24-month PFS were 9.4 (95%CI: 6.8, 12.8) months and 19.3% (95%CI: 9.2, 32.1) and 2.8 (95%CI: 2.1, 3.9) months and 11.2 % (95%CI: 4.9, 20.2), respectively. Among 66 pts evaluable for response, ORR was 7/66 (11%) (2 with complete response, 5 with partial response), and 16 (24%) pts had stable disease for a disease control rate of 35%. The median duration of response was 7.9 (IQR: 3, not reached) months. Conclusions: In the largest retrospective cohort of ICI-treated advanced PeCa, ICI showed no new safety signals, however, overall anti-tumor activity was limited. Future translational studies are needed to identify pts that are more likely to derive clinical benefit from ICI.
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Affiliation(s)
| | | | | | | | - Tony Zhuang
- Department of Medicine, Emory University School of Medicine, Atlanta, GA
| | | | | | - Sebastiano Buti
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Pablo Álvarez
- 12 de Octubre University Hospital, Medical Oncology Department, Madrid, Spain
| | - Rana R. McKay
- Moores Cancer Center, University of California San Diego, La Jolla, CA
| | | | | | | | - Jae-Lyun Lee
- Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | | | - Matthew I. Milowsky
- University of North Carolina, Lineberger Comprehensive Cancer Center, Chapel Hill, NC
| | | | - Pedro C. Barata
- Department of Internal Medicine, University Hospitals Seidman Cancer Center, Cleveland, OH
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Chiang RS, Desai A, Glover MJ, Hui G, Ramchandran KJ, Wakelee H, Lythgoe MP, Khaki AR. Racial Diversity and Reporting in United States Food and Drug Administration Registration Trials for Thoracic Malignancies from 2006 to 2020. Cancer Invest 2023; 41:43-47. [PMID: 36197034 DOI: 10.1080/07357907.2022.2131808] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
There is significant racial disparity in thoracic malignancies in terms of epidemiology and outcomes. We analyzed race reporting and racial diversity in the registration trials of drugs approved by the FDA for thoracic malignancies from 2006 to 2020. We found a significant under-representation of non-white participants in FDA drug registration trials in thoracic malignancies. Furthermore, though almost all trials report some race information, FDA guidelines are not universally followed. There is a disproportionate disease burden of lung cancer in under-represented race communities, and clinical trials should prioritize racial diversity and inclusion efforts.
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Affiliation(s)
- Ryan S Chiang
- Department of Medicine, Stanford University, Stanford, CA, USA
| | - Aakash Desai
- Division of Oncology, Department of Medicine, Mayo Clinic, Rochester, MN, USA
| | | | - Gavin Hui
- Department of Medicine, Stanford University, Stanford, CA, USA
| | - Kavitha J Ramchandran
- Division of Oncology, Department of Medicine, Stanford University, Stanford, CA, USA
| | - Heather Wakelee
- Division of Oncology, Department of Medicine, Stanford University, Stanford, CA, USA
| | | | - Ali Raza Khaki
- Division of Oncology, Department of Medicine, Stanford University, Stanford, CA, USA
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7
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Kennedy VE, Hui G, Azenkot T, Gaut D, Wieduwilt MJ, Oliai C, Jonas BA, Mittal V, Logan AC, Muffly LS, Mannis GN. Outcomes of allogeneic transplantation after hypomethylating agents with venetoclax in acute myeloid leukemia. Am J Hematol 2022; 97:E191-E194. [PMID: 35266185 DOI: 10.1002/ajh.26524] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 02/15/2022] [Accepted: 03/06/2022] [Indexed: 12/12/2022]
Affiliation(s)
- Vanessa E. Kennedy
- Division of Hematology/Oncology, Department of Medicine University of California San Francisco California USA
| | - Gavin Hui
- Department of Medicine Stanford University Stanford California USA
| | - Tali Azenkot
- Department of Medicine University of California Davis California USA
| | - Daria Gaut
- Division of Hematology/Oncology, Department of Medicine University of California Los Angeles California USA
| | - Matthew J. Wieduwilt
- Section of Hematology/Oncology, Department of Medicine University of Oklahoma Oklahoma City Oklahoma USA
| | - Caspian Oliai
- Division of Hematology/Oncology, Department of Medicine University of California Los Angeles California USA
| | - Brian A. Jonas
- Division of Hematology/Oncology, Department of Medicine University of California Davis California USA
| | - Varun Mittal
- Division of Hematology/Oncology, Department of Medicine University of California San Francisco California USA
| | - Aaron C. Logan
- Division of Hematology/Oncology, Department of Medicine University of California San Francisco California USA
| | - Lori S. Muffly
- Division of Blood and Marrow Transplantation, Department of Medicine Stanford University Stanford California USA
| | - Gabriel N. Mannis
- Division of Hematology, Department of Medicine Stanford University Stanford California USA
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8
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Hui G, Drolen C, Hannigan CA, Drakaki A. Treatment Equity in the Immunotherapy Era: Options for Patients with Both Autoimmune Disease and GU Cancers. Life (Basel) 2022; 12:life12030360. [PMID: 35330111 PMCID: PMC8949122 DOI: 10.3390/life12030360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 01/31/2022] [Accepted: 02/22/2022] [Indexed: 11/16/2022] Open
Abstract
Numerous immunotherapeutic agents, such as immune checkpoint inhibitors (ICIs), have been approved for the treatment of genitourinary (GU) malignancies. While ICIs have improved treatment outcomes and expanded treatment options, they can cause immune-related adverse events (irAEs). The scope of irAEs is broad, and this paper aims to review the rheumatologic side effects associated with immunotherapy drugs approved for bladder cancer and renal cell carcinoma. IrAEs are graded by the common terminology criteria for adverse events (CTCAE), which ranges from 1 to 5. The management of irAEs includes corticosteroids or other immunosuppressive therapies, and it may require discontinuation of immunotherapy. Several real world experience studies suggest that most patients with pre-existing autoimmune diseases treated with ICI did not have to discontinue treatment due to immune-mediated side effects. While data suggest autoimmune side effects are manageable, patients with pre-existing autoimmune diseases are often excluded from immunotherapy clinical trials. Better understanding of these irAEs will improve its safety and expand its use in those with underlying autoimmune disease.
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Affiliation(s)
- Gavin Hui
- Department of Medicine, Stanford University, Stanford, CA 94305, USA;
| | - Claire Drolen
- Department of Medicine, David Geffen School of Medicine, UCLA, Los Angeles, CA 90095, USA;
| | - Christopher A. Hannigan
- Department of Medicine, Division of Hematology/Oncology, David Geffen School of Medicine, UCLA, Los Angeles, CA 90095, USA;
| | - Alexandra Drakaki
- Department of Medicine, David Geffen School of Medicine, UCLA, Los Angeles, CA 90095, USA;
- Department of Medicine, Division of Hematology/Oncology, David Geffen School of Medicine, UCLA, Los Angeles, CA 90095, USA;
- Correspondence:
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Glover M, Hui G, Chiang R, Savage P, Krell J, Julve M, Grivas P, Lythgoe M, Khaki AR. Disparity of race reporting in US Food and Drug Administration drug approvals for urinary system cancers from 2006 to 2021. BJU Int 2021; 129:168-170. [PMID: 34748278 DOI: 10.1111/bju.15629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Michael Glover
- Department of Medicine, Stanford University, Stanford, CA, USA
| | - Gavin Hui
- Department of Medicine, Stanford University, Stanford, CA, USA
| | - Ryan Chiang
- Department of Medicine, Stanford University, Stanford, CA, USA
| | - Philip Savage
- Department of Oncology, Brighton & Sussex University Hospital NHS Trust, Brighton, UK
| | - Jonathan Krell
- Department of Surgery and Cancer, Imperial College London, Hammersmith Hospital, London, UK
| | - Maximilian Julve
- Department of Surgery and Cancer, Imperial College London, Hammersmith Hospital, London, UK
| | - Petros Grivas
- Division of Medical Oncology, Clinical Research Division, Department of Medicine, Fred Hutchinson Cancer Research Center, University of Washington, Seattle, WA, USA
| | - Mark Lythgoe
- Department of Surgery and Cancer, Imperial College London, Hammersmith Hospital, London, UK
| | - Ali Raza Khaki
- Division of Oncology, Department of Medicine, Stanford University, Stanford, CA, USA
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Chiang RS, Glover M, Hui G, Desai A, Wakelee HA, Lythgoe M, Khaki AR. Racial diversity and reporting in FDA registration trials for thoracic malignancies from 2006 to 2020. J Clin Oncol 2021. [DOI: 10.1200/jco.2020.39.28_suppl.135] [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
135 Background: Black patients have a disproportionately high incidence and mortality from lung cancer. Despite the importance of clinical trials, there continue to be significant racial disparities in recruitment for pivotal registration studies. In 2016, the FDA recommended reporting racial enrollment with a minimum of 5 categories (White, Black, Asian, American Indian or Alaskan Native [AIAN] and Native Hawaiian or Pacific Islander [NHPI]). The International Committee of Medical Journal Editors also recommend reporting race and ethnicity. We evaluated race reporting and representation in registration trials for thoracic cancers. Methods: We reviewed the FDA website and identified all new drug licensing indications in thoracic malignancies (small cell lung cancer (SCLC), non-small cell lung cancer (NSCLC) and mesothelioma) from 2006 to 2020. NSCLC was further classified as EGFR+, ALK+, other mutation and NOS (no driver mutation). Clinical trials cited on the licensing label for market authorization were recorded and the corresponding registration trial publication was identified. If race was unreported or underreported (defined as ≤3 groups) in the licensing study, then additional information was obtained from clinicaltrials.gov. We calculated the proportion of registration trials meeting FDA criteria and the proportion of each racial group in trials. Results: From 2006-2020, we identified 55 new licensing indications, involving 26 unique drugs; 5 approvals in SCLC, 49 approvals in NSCLC and 1 in mesothelioma. Prior to the FDA race reporting guidelines, 33% (6/18) of registration studies did not meet FDA requirements. This improved to 27% (10/37) after the guideline introduction. Overall 29,545 patients participated in thoracic registration trials; 66% White, 22% Asian, 2% Black, <1% AIAN, <1% NHPI, 1% other or multiple races and 9% unknown. Table shows race distribution by cancer subtype. Conclusions: Although improving, a substantial number of registrational clinical trials in thoracic oncology still do not report race per FDA guidance. In addition, Black individuals are disproportionately under-represented in registration trials. Greater efforts are needed for the inclusion of Black patients and other minorities in clinical trials.[Table: see text]
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Affiliation(s)
| | | | - Gavin Hui
- Stanford University Medical Center, Stanford, CA
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Kennedy VE, Hui G, Gaut D, Mittal V, Oliai C, Muffly L, Logan AC, Mannis GN. Hypomethylating Agents in Combination with Venetoclax As a Bridge to Allogeneic Transplant in Acute Myeloid Leukemia. Transplant Cell Ther 2021. [DOI: 10.1016/s2666-6367(21)00186-x] [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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Ladha A, Hui G, Cheung E, Berube C, Coutre SE, Gotlib J, Liedtke M, Zhang TY, Muffly L, Mannis GN. Routine use of gemtuzumab ozogamicin in 7 + 3-based inductions for all 'non-adverse' risk AML. Leuk Lymphoma 2021; 62:1510-1513. [PMID: 33491527 DOI: 10.1080/10428194.2021.1876869] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Abdullah Ladha
- Division of Hematology, University of Southern California Norris Comprehensive Cancer Center, Los Angeles, CA, USA
| | - Gavin Hui
- Department of Medicine, Stanford University, Stanford, CA, USA
| | - Edna Cheung
- Department of Pharmacy, Stanford Health Care, Stanford, CA, USA
| | - Caroline Berube
- Division of Hematology, Stanford Cancer Institute, Stanford University, Stanford, CA, USA
| | - Steven E Coutre
- Division of Hematology, Stanford Cancer Institute, Stanford University, Stanford, CA, USA
| | - Jason Gotlib
- Division of Hematology, Stanford Cancer Institute, Stanford University, Stanford, CA, USA
| | - Michaela Liedtke
- Division of Hematology, Stanford Cancer Institute, Stanford University, Stanford, CA, USA
| | - Tian Y Zhang
- Division of Hematology, Stanford Cancer Institute, Stanford University, Stanford, CA, USA
| | - Lori Muffly
- Division of Blood and Marrow Transplantation, Stanford Cancer Institute, Stanford University, Stanford, CA, USA
| | - Gabriel N Mannis
- Division of Hematology, Stanford Cancer Institute, Stanford University, Stanford, CA, USA
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13
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Yan H, Zhao Z, Jingjing W, Chai J, Hui G, He L, He J, Mu X, Peng X. How Many Cycles of Induction Chemotherapy Is Optimal Choice for Locally Advanced Nasopharyngeal Carcinoma? Data from a Real-World Clinical Practice. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1578] [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: 10/26/2022]
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14
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Ehrlich D, Phan J, Hui G, Drakaki A. Rapidly progressive neurologic decline and morbilliform rash presenting in a patient with lymphoma. Clin Pract 2018; 8:1097. [PMID: 30613373 PMCID: PMC6291742 DOI: 10.4081/cp.2018.1097] [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] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 11/19/2018] [Indexed: 11/23/2022] Open
Abstract
A 67-year-old male with past medical history of mantle cell lymphoma and atrial fibrillation presented with a truncal rash, bilateral lower extremity weakness, and confusion. Within three days of presentation, his condition rapidly deteriorated with the onset of diffuse flaccid paralysis, aphasia, and severe alteration in mental status. Initial results from serum studies, lumbar puncture, magnetic resonance imaging, and electroencephalogram were not diagnostic. However, on the ninth day after initial presentation, the West Nile Virus (WNV) immunoglobulin M antibody returned positive from the cerebrospinal fluid. West Nile Virus encephalitis is endemic worldwide, and is the most common viral encephalitis in the United States. WNV presents in a variety of ways, and the recognition by physicians is crucial due to the estimated 2-12% mortality rate and significant longterm morbidity of neuroinvasive disease. The initial management and long term prognosis are points of ongoing research. This case represents a particularly profound example of neuroinvasive WNV. Our patient made a significant recovery after his initial presentation with aggressive supportive care, however still suffers from bilateral lower extremity weakness more than a year later.
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Affiliation(s)
- Dean Ehrlich
- Ronald Reagan UCLA Medical Center, University of California, Los Angeles, CA, USA
| | - Jennifer Phan
- Ronald Reagan UCLA Medical Center, University of California, Los Angeles, CA, USA
| | - Gavin Hui
- Ronald Reagan UCLA Medical Center, University of California, Los Angeles, CA, USA
| | - Alexandra Drakaki
- Ronald Reagan UCLA Medical Center, University of California, Los Angeles, CA, USA
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15
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Hui G, Koch B, Calara F, Wong ND. Angina in Coronary Artery Disease Patients With and Without Diabetes: US National Health and Nutrition Examination Survey 2001-2010. Clin Cardiol 2015; 39:30-6. [PMID: 26694985 DOI: 10.1002/clc.22488] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Revised: 10/17/2015] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Angina pectoris (AP) is common in coronary artery disease (CAD), but whether those with diabetes mellitus (DM) experience AP as often as those without DM is unclear. HYPOTHESIS AP prevalence is similar in those with vs without DM in a community sample with CAD. METHODS In adults with CAD in the US NHANES 2001-2010, AP was determined by self-report and Rose questionnaire and compared by DM status. Physical functioning and medication use were also evaluated. RESULTS Of 1957 adults with CAD, 619 (28.2%) had DM. Prevalence of AP was similar in those with vs without DM (48.9% vs 46.3%; P = 0.38). There was a trend toward more severe AP in those with glycated hemoglobin ≥7% (50.4%) vs <7% (27.1%; P = 0.09). Adjusted logistic regression showed a similar odds of AP (1.06, 95% CI: 0.84-1.33) in those with vs without DM, although among DM, a 2-fold greater odds of AP in women vs men. Physical functioning was worse in those with vs without AP overall (score of 25.9 vs 24.3; P < 0.001) and further diminished within those with comorbid DM (26.7 vs 24.0; P < 0.001). Among those with AP, those with vs without DM were more likely on β-blockers, statins, angiotensin-converting enzyme inhibitors, and antiplatelet therapy. CONCLUSIONS AP in CAD patients is similar among those with vs without DM, despite greater use of evidence-based therapies in DM patients. Greater physical limitations exist in those with vs without AP, and further diminish with comorbid DM.
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Affiliation(s)
- Gavin Hui
- Heart Disease Prevention Program, Division of Cardiology, University of California, Irvine, California
| | - Bruce Koch
- Medical Affairs, Gilead Sciences, Inc., Foster City, California
| | - Federico Calara
- Medical Affairs, Gilead Sciences, Inc., Foster City, California
| | - Nathan D Wong
- Heart Disease Prevention Program, Division of Cardiology, University of California, Irvine, California
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16
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Fredericks S, Lapum J, Hui G. EXAMINING THE EFFECT OF PATIENT-CENTERED CARE ON PATIENT OUTCOMES: A SYSTEMATIC REVIEW. Can J Cardiol 2015. [DOI: 10.1016/j.cjca.2015.07.053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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18
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Cheng K, Mui W, Yu S, Cheung K, Hui G, Yang B, Chiu G. PO-0973: Evaluating the setup accuracy of patient positioning and transfer system in radiotherapy. Radiother Oncol 2014. [DOI: 10.1016/s0167-8140(15)31091-4] [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: 11/24/2022]
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19
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Longyun L, Hui G, Wang M. A study on the long-term survivors in an expanded access program (EAP) of gefitinib in China. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.15_suppl.e18053] [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: 11/20/2022] Open
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20
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Wei W, Marc-michael Z, Hui G, Remus B, Hajime K, Xiongwen C, Chunyu Z, Loren F, Steven H. e0139 The cardiomyogenic potential of cardiac stem cells in an in vitro coculture system. Heart 2010. [DOI: 10.1136/hrt.2010.208967.139] [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: 11/04/2022]
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21
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Leung WH, Meng ZQ, Hui G, Ho WKK. Expression of an immunologically reactive merozoite surface protein (MSP-1(42)) in E. coli. Biochim Biophys Acta Gen Subj 2005; 1675:62-70. [PMID: 15535968 DOI: 10.1016/j.bbagen.2004.08.005] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2004] [Revised: 08/17/2004] [Accepted: 08/20/2004] [Indexed: 11/25/2022]
Abstract
The 42-kDa carboxyl-terminal processing fragment of Plasmodium falciparum merozoite surface protein-1 (PfMSP-1(42)) is one of the anti-malarial vaccine candidate antigens. In the present study, recombinant MSP-1(42) was expressed as a fusion protein in a novel E. coli host. The average yield of the recombinant protein was 48 mg/l of bacterial culture. The antigenicity and immunogenicity of the purified protein were evaluated by comparing the results with those obtained from a well-characterized recombinant MSP-1(42) (Bmp42) expressed in the baculovirus expression system previously described from our laboratory. We observed that there is a high degree of similarities between the two recombinant proteins. Based on the results from T and B cell response, in vitro parasite growth inhibition, as well as cross-reactivities with several well-characterized MSP-1 specific Mabs, the bacterial expressed protein is apparently comparable to Bmp42 in terms of immunoreactivities. Our results suggest that the bacterial expression system could be employed to express immunologically active recombinant MSP-1(42) at elevated levels. This system may be an attractive alternative for producing a protective vaccine for human use at lower cost.
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Affiliation(s)
- W H Leung
- Department of Biochemistry, Chinese University of Hong Kong, Shatin, Hong Kong
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22
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Hui G. PDQ evidence-based principles and practice. Evidence-Based Mental Health 2002. [DOI: 10.1136/ebmh.5.2.39] [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: 11/04/2022]
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23
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Qi Z, Hui G, Li Y. [Isolation and study of one novel full-length gene related to human glioma]. Zhonghua Yi Xue Za Zhi 2001; 81:1124-7. [PMID: 11766612] [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: 02/23/2023]
Abstract
OBJECTIVES To obtain differentially expressed genes related to human glioma using cDNA microarray and make a preliminary study of one novel full-length gene. METHODS Total RNA was extracted from human glioma tissues and normal brain tissues, and mRNA was used to make probes. After hybridization and washing procedure, the results of hybridization were scanned using computer system. One gene named 507E08 clone was subsequently analyzed by northern blotting, in situ hybridization, bioinformatics and radiation hybridization. RESULTS Fifteen differentially expressed novel genes related to human glioma were obtained through four times of hybridization and scanning. Northern blotting and in situ hybridization confirmed that 507E08 clone was lowly expressed in normal human brain tissue and over-expressed in human glioma tissue. BLASTn and BLASTx analysis showed that the clone 507E08 was a novel full-length gene with the length of 2002 bp. This gene, called human ribosomal protein 14.22 gene, codes 203 amino acids and is located on chromosome 14 between D14S1066 Marker and D14S265 Marker. CONCLUSION cDNA microarray technology can be successfully applied to identify differentially expressed genes with small amount of specimen, high quality, high speed, and high sensitivity. The novel full-length human ribosomal protein 14.22 gene may correlate with formation of human glioma.
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Affiliation(s)
- Z Qi
- Department of Neurosurgery, First Affiliated Hospital of Suzhou University, Suzhou 215006, China
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24
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Stowers AW, Cioce V, Shimp RL, Lawson M, Hui G, Muratova O, Kaslow DC, Robinson R, Long CA, Miller LH. Efficacy of two alternate vaccines based on Plasmodium falciparum merozoite surface protein 1 in an Aotus challenge trial. Infect Immun 2001; 69:1536-46. [PMID: 11179324 PMCID: PMC98053 DOI: 10.1128/iai.69.3.1536-1546.2001] [Citation(s) in RCA: 97] [Impact Index Per Article: 4.2] [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: 11/20/2022] Open
Abstract
In an attempt to produce a more defined, clinical-grade version of a vaccine based on Plasmodium falciparum merozoite surface protein 1 (MSP1), we evaluated the efficacy of two recombinant forms of MSP1 in an Aotus nancymai challenge model system. One recombinant vaccine, bvMSP1(42), based on the 42-kDa C-terminal portion of MSP1, was expressed as a secreted protein in baculovirus-infected insect cells. A highly pure baculovirus product could be reproducibly expressed and purified at yields in excess of 8 mg of pure protein per liter of culture. This protein, when tested for efficacy in the Aotus challenge model, gave significant protection, with only one of seven monkeys requiring treatment for uncontrolled parasitemia after challenge with P. falciparum. The second recombinant protein, P30P2MSP1(19), has been used in previous studies and is based on the smaller, C-terminal 19-kDa portion of MSP1 expressed in Saccharomyces cerevisiae. Substantial changes were made in its production process to optimize expression. The optimum form of this vaccine antigen (as judged by in vitro and in vivo indicators) was then evaluated, along with bvMSP1(42), for efficacy in the A. nancymai system. The new formulation of P30P3MSP1(19) performed significantly worse than bvMSP1(42) and appeared to be less efficacious than we have found in the past, with four of seven monkeys in the vaccinated group requiring treatment for uncontrolled parasitemia. With both antigens, protection was seen only when high antibody levels were obtained by formulation of the vaccines in Freund's adjuvant. Vaccine formulation in an alternate adjuvant, MF59, resulted in significantly lower antibody titers and no protection.
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Affiliation(s)
- A W Stowers
- Malaria Vaccine Development Unit, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Inc., Rockville, Maryland 20852, USA.
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Parra M, Hui G, Johnson AH, Berzofsky JA, Roberts T, Quakyi IA, Taylor DW. Characterization of conserved T- and B-cell epitopes in Plasmodium falciparum major merozoite surface protein 1. Infect Immun 2000; 68:2685-91. [PMID: 10768960 PMCID: PMC97475 DOI: 10.1128/iai.68.5.2685-2691.2000] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [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
Vaccines for P. falciparum will need to contain both T- and B-cell epitopes. Conserved epitopes are the most desirable, but they are often poorly immunogenic. The major merozoite surface protein 1 (MSP-1) is currently a leading vaccine candidate antigen. In this study, six peptides from conserved or partly conserved regions of MSP-1 were evaluated for immunogenicity in B10 congenic mice. Following immunization with the peptides, murine T cells were tested for the ability to proliferate in vitro and antibody responses to MSP-1 were evaluated in vivo. The results showed that one highly conserved sequence (MSP-1#1, VTHESYQELVKKLEALEDAV; located at amino acid positions 20 to 39) and one partly conserved sequence (MSP-1#23, GLFHKEKMILNEEEITTKGA; located at positions 44 to 63) contained both T- and B-cell epitopes. Immunization of mice with these peptides resulted in T-cell proliferation and enhanced production of antibody to MSP-1 upon exposure to merozoites. MSP-1#1 stimulated T-cell responses in three of the six strains of mice evaluated, whereas MSP-1#23 was immunogenic in only one strain. Immunization with the other four peptides resulted in T-cell responses to the peptides, but none of the resulting peptide-specific T cells recognized native MSP-1. These results demonstrate that two sequences located in the N terminus of MSP-1 can induce T- and B-cell responses following immunization in a murine model. Clearly, these sequences merit further consideration for inclusion in a vaccine for malaria.
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Affiliation(s)
- M Parra
- Departments of Biology, Georgetown University, Washington, DC 20057, USA.
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26
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Ge F, Shi Q, Shen Y, Hui G, Wu H. [Supercritical-CO2 fluid extraction of natural VE and fatty oil from the oil foot of Brassica campestris and GC-MS analysis]. Zhong Yao Cai 1997; 20:189-91. [PMID: 12572454] [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: 02/28/2023]
Abstract
Natural VE and fatty oil from the oil foot of Brassica campestris are extracted by supercritical-CO2. After saponification and esterification these acidesters and natural VE in the extraction are analyzed by GC-MS. The results show that the fatty acids from SFE-CO2 contain 10 components which of oleic acid, linodeic acid and linolenic acid are main components, linodenic acid and linoleic acid of them are increased signifantly, at the same time, natural VE can be extracted from the materials and the rate of extraction gets to 95%.
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Affiliation(s)
- F Ge
- Guangzhou Pharmaceutical Industrial Research Institute, Guangzhou 510240
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27
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Pan Y, Hui G, Lu D. [Experimental study on human glioma SHG44 treated by HSV-tk gene therapy]. Zhonghua Zhong Liu Za Zhi 1996; 18:256-8. [PMID: 9387314] [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
The paper reports the construction of retroviral vector pLNTK carrying HSV-tk gene driven by PGK promoter and the successful transfer into human glioma cell SHG44. The in vitro study confirmed that ayclovir (ACV) sensitive level of the gene-transferred glioma cell (SHGLNTK) was 1,000 times that of SHG44. 3H-TdR incorporation confirmed that the DNA replication in SHGLNTK was considerably suppressed when treated with ACV. The in vivo study confirmed that ACV could suppress tumor formation of the SHGLNTK cells. In situ gene transfer treatment of nude mice carrying SHG44 tumor showed good therapeutic results. Such treatment may be used as an innovative method for brain tumor therapy.
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Affiliation(s)
- Y Pan
- Department of Neurosurgery, First Affiliated Hospital of Suzhou Medical College
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28
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Snyder R, Hui G, Flugstad P, Viarengo C. More cases of possible neurologic toxicity associated with single subarachnoid injections of 5% hyperbaric lidocaine. Anesth Analg 1994; 78:411. [PMID: 8311303 DOI: 10.1213/00000539-199402000-00046] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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Kaslow DC, Hui G, Kumar S. Expression and antigenicity of Plasmodium falciparum major merozoite surface protein (MSP1(19)) variants secreted from Saccharomyces cerevisiae. Mol Biochem Parasitol 1994; 63:283-9. [PMID: 7516493 DOI: 10.1016/0166-6851(94)90064-7] [Citation(s) in RCA: 68] [Impact Index Per Article: 2.3] [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: 01/25/2023]
Abstract
Four antigenic variants of the 19-kDa carboxy terminal fragment of Plasmodium falciparum merozoite surface protein, MSP1 (MSP1(19)), were expressed in Saccharomyces cerevisiae as a histidine-tagged, secreted polypeptides (rMSP1(19)s). Structural analysis of the rMSP1(19)s indicated that a single amino acid change (E to Q) in the first EGF-like domain of the yeast-secreted rMSP1(19) proteins caused a significant change in their disulfide bond-dependent conformation. The antigenicity of the rMSP1(19)s were qualitatively and quantitatively analyzed by direct and competitive binding ELISAs. The data indicate that conserved and variant B cell determinants of MSP1(19), as well as epitopes that are known targets of protective antibodies, were recreated authentically in the rMSP1(19)s. Secretion of histidine-tagged rMSP1(19)s using the expression system described may be an efficient and effective means of producing a properly folded immunogen for a human vaccine against the blood stages of P. falciparum.
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Affiliation(s)
- D C Kaslow
- Molecular Vaccine Section, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
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Abstract
BACKGROUND Oral 5-aminosalicylic acid (5-ASA) has proven an effective maintenance therapy of ulcerative colitis and may also be useful in Crohn's disease, but its safety in pregnancy has not been established. The present study therefore examined the course and outcome of pregnancies in patients with inflammatory bowel disease who continued to take oral 5-ASA. METHODS Ten patients with ulcerative colitis and 7 patients with Crohn's disease with a total of 19 pregnancies were studied while they were receiving 5-ASA. All patients were previously in remission on 5-ASA, at a mean dose of 1.7 g/day (range, 0.8-2.4 g/day). They continued taking the drug without a change in dose and were followed up throughout their pregnancies and postpartum. RESULTS Eighteen pregnancies resulted in full-term delivery. No fetal abnormalities were found at delivery, and there were no clinical or biochemical abnormalities in the neonatal period. Four patients had a relapse. One patient required a colectomy but carried on to a full-term pregnancy. One patient had a miscarriage, but she had miscarried on four previous occasions before taking 5-ASA. She subsequently had a successful pregnancy on 5-ASA. CONCLUSIONS Oral 5-ASA appears to be safe for the management of inflammatory bowel disease during pregnancy.
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Affiliation(s)
- F M Habal
- Division of Gastroenterology, Toronto Hospital, Ontario, Canada
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Ono T, Nakabayashi T, Kramer KJ, Hui G, Siddiqui WA. Electron microscopic observations on alterations in cultured Plasmodium falciparum and infected erythrocytes after treatment with cyclic AMP in vitro. Biken J 1983; 26:75-85. [PMID: 6318723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The fine structure of Plasmodium falciparum treated with cyclic AMP in vitro was studied. Cyclic AMP stimulated the appearance of membranous structures in P. falciparum-infected erythrocytes. Two types of membranous structures originating from the host cell were observed: multilaminate membranous structures and multistranded layer-like membranous structures. The multilaminate structures may play a role in gametocytogenesis and the maturation of the gametocyte. The multilaminate structures were either free in the cytoplasm of infected erythrocytes or present in association with the parasitophorous vacuole membrane surrounding immature gametocytes. These structures may originate from the erythrocyte plasma membrane and the parasitophorous vacuole membrane. Other notable findings in P. falciparum treated with cyclic AMP included the presence of loop-like membrane structures protruding from the plasma membrane of the parasite and termination of some plasma membranes of the parasite in dense granular structures.
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Sunderman FW, Costa ER, Fraser C, Hui G, Levine JJ, Tse TP. 63Nickel-constituents in renal cytosol of rats after injection of 63nickel chloride. Ann Clin Lab Sci 1981; 11:488-96. [PMID: 7325591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Chromatographic and electrophoretic fractionations of 63Ni-constituents were performed upon renal cytosol samples from rats that were killed following administration of 63NiCl2. At 0.5 to one hr after i.v. injection of 63NiCl2 (0.1 to 0.5 mumole per kg body wt., N = 6), renal cytosol contained 11 percent (SE +/- 2 percent) of the 63Ni-dose. An average of 68 percent (SE +/- 4 percent) of 63Ni in these cytosol samples was associated with low molecular weight components (mol. wt. less than 2,000). The remainder was bound to five macromolecular constituents, with molecular weights of greater than 130,000 (Peak A), approximately 70,000 (Peak B), approximately 55,000 (Peak C), approximately 30,000 (Peak D), and approximately 10,000 (Peak E), based upon column chromatography on Sephadex G-200. The 63Ni that was present in Peaks A to E averaged, respectively, 1.8 percent, 10.7 percent, 7.5 percent, 10.0 percent and 1.6 percent of total 63Ni in renal cytosol. At one to fours hrs after i.m. injection of 63NiCl2 (100 mumol per kg body wt., N = 17), renal cytosol contained 2.2 percent (SE +/- 0.1 percent) of the 63Ni-dose; ultrafiltrable 63Ni averaged 57 percent (SE +/- 3 percent) of total 63Ni in renal cytosol. Macromolecular 63Ni-constituents in these samples were separated by electrophoresis in agarose gel and visualized by autoradiography. Peak D (mol. wt. approximately 30,000) was the most prominent of the five 63Ni-constituents. This study demonstrates that renal cytosol of 63NiCl2-treated rats contains five macromolecular 63Ni-constituents that may be involved in renal uptake, transport, storage, and excretion of 63Ni(II).
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Abstract
In vivo incorporation of [3H] thymidine into DNA was determined in rats at 28 h after partial hepatectomy. Administration of nickel carbonyl (Ni(CO)4) at 2 or 4 h before sacrifice inhibited [3H] thymidine uptake into liver and kidney DNA. For example, in rats killed 4 h after i.v. injection of Ni(CO)4 (2 mg Ni/100 g), [3H]-labelling of liver DNA averaged 54 (SE +/- 10)% of controls (p less than 0.05), and [3H]-labelling of kidney DNA averaged 53 (SE +/- 6)% of controls (p less than 0.01). Injection of NiCl2 (2 mg Ni/100 g, i.m.) 4 h before death did not significantly affect [3H] thymidine uptake into liver DNA, but did inhibit [3H] thymidine uptake into kidney DNA (65 +/- 6%, p less than 0.02). Binding of 63Ni to DNA in liver and kidney of rats killed 4 h after injection of 63Ni(CO)4 or 63NiCl2 ranged from 0.3 to 2.2 mol 63Ni/mol of DNA nucleotides. Ultracentrifugation of DNA on alkaline sucrose gradients did not reveal any differences between sedimentation profiles of hepatic DNA from Ni(CO)4-treated rats versus paired control rats.
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Pegg AE, Hui G, Rogers KJ. Effect of hypophysectomy on persistence of methylated purines in rat liver deoxyribonucleic acid after administration of dimethylnitrosamine. Biochim Biophys Acta 1978; 520:671-8. [PMID: 718921 DOI: 10.1016/0005-2787(78)90152-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The formation of methylated purines in DNA following dimethylnitrosamine administration was studied in control and hypophysectomized rats. When given the same dose of this carcinogen (in mg/kg body weight) the formation of the major product 7-methylguanine and of the minor products 1-, 3- and 7-methyladenine and 3-methylguanine was slightly greater in the livers of hypophysectomized rats than in controls. The rate of loss of these products from the DNA was not affected by hypophysectomy. O6-Methylguanine levels were significantly greater in the hepatic DNA of hypophysectomized rats compared to controls after doses of dimethylnitrosamine ranging from 1 to 20 mg/kg. This difference was due to a slower rate of loss of this purine from the DNA in the hypothysectomized rats. Growth hormone treatment increased the rate of removal of O6-methylguanine in the hypophysectomized rats but did not restore the activity to that found in controls. The possible significance of these results in the induction of tumors by dimethylnitrosamine is discussed.
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Pegg AE, Hui G. Formation and subsequent removal of O6-methylguanine from deoxyribonucleic acid in rat liver and kidney after small doses of dimethylnitrosamine. Biochem J 1978; 173:739-48. [PMID: 708371 PMCID: PMC1185839 DOI: 10.1042/bj1730739] [Citation(s) in RCA: 76] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
1. The amounts of 7-methylguanine and O(6)-methylguanine present in the DNA of liver and kidney of rats 4h and 24h after administration of low doses of dimethylnitrosamine were measured. 2. O(6)-Methylguanine was rapidly removed from liver DNA so that less than 15% of the expected amount (on the basis of 7-methylguanine found) was present within 4h after doses of 0.25mg/kg body wt. or less. Within 24h of administration of dimethylnitrosamine at doses of 1mg/kg or below, more than 85% of the expected amount of O(6)-methylguanine was removed. Removal was most efficient (defined in terms of the percentage of the O(6)-methylguanine formed that was subsequently lost within 24h) after doses of 0.25-0.5mg/kg body wt. At doses greater or less than this the removal was less efficient, even though the absolute amount of O(6)-methylguanine lost during 24h increased with the dose of dimethylnitrosamine over the entire range of doses from 0.001 to 20mg/kg body wt. 3. Alkylation of kidney DNA after intraperitoneal injections of 1-50mug of dimethylnitrosamine/kg body wt. occurred at about one-tenth the extent of alkylation of liver DNA. Removal of O(6)-methylguanine from the DNA also took place in the kidney, but was slower than in the liver. 4. After oral administration of these doses of dimethylnitrosamine, the alkylation of kidney DNA was much less than after intraperitoneal administration and represented only 1-2% of that found in the liver. 5. Alkylation of liver and kidney DNA was readily detectable when measured 24h after the final injection in rats that received daily injections of 1mug of [(3)H]dimethylnitrosamine/kg for 2 or 3 weeks. After 3 weeks, O(6)-methylguanine contents in the liver DNA were about 1% of the 7-methylguanine contents. The amount of 7-methylguanine in the liver DNA was 10 times that in the kidney DNA, but liver O(6)-methylguanine contents were only twice those in the kidney. 6. Extracts able to catalyse the removal of O(6)-methylguanine from alkylated DNA in vitro were isolated from liver and kidney. These extracts did not lead to the loss of 7-methylguanine from DNA. 7. The possible relevance of the formation and removal of O(6)-methylguanine in DNA to the risk of tumour induction by exposure to low concentrations of dimethylnitrosamine is discussed.
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Pegg AE, Hui G. Removal of methylated purines from rat liver DNA after administration of dimethylnitrosamine. Cancer Res 1978; 38:2011-7. [PMID: 657138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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