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Xia XD, Gill G, Lin H, Roth DM, Gu HM, Wang XJ, Su FY, Alabi A, Alexiou M, Zhang Z, Wang GQ, Graf D, Zhang DW. Global, but not chondrocyte-specific, MT1-MMP deficiency in adult mice causes inflammatory arthritis. Matrix Biol 2023; 122:10-17. [PMID: 37598898 DOI: 10.1016/j.matbio.2023.08.003] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 08/17/2023] [Accepted: 08/17/2023] [Indexed: 08/22/2023]
Abstract
Membrane-type I metalloproteinase (MT1-MMP/MMP14) plays a key role in various pathophysiological processes, indicating an unaddressed need for a targeted therapeutic approach. However, mice genetically deficient in Mmp14 show severe defects in development and growth. To investigate the possibility of MT1-MMP inhibition as a safe treatment in adults, we generated global Mmp14 tamoxifen-induced conditional knockout (Mmp14kd) mice and found that MT1-MMP deficiency in adult mice resulted in severe inflammatory arthritis. Mmp14kd mice started to show noticeably swollen joints two weeks after tamoxifen administration, which progressed rapidly. Mmp14kd mice reached a humane endpoint 6 to 8 weeks after tamoxifen administration due to severe arthritis. Plasma TNF-α levels were also significantly increased in Mmp14kd mice. Detailed analysis revealed chondrocyte hypertrophy, synovial fibrosis, and subchondral bone remodeling in the joints of Mmp14kd mice. However, global conditional knockout of MT1-MMP in adult mice did not affect body weight, blood glucose, or plasma cholesterol and triglyceride levels. Furthermore, we observed substantial expression of MT1-MMP in the articular cartilage of patients with osteoarthritis. We then developed chondrocyte-specific Mmp14 tamoxifen-induced conditional knockout (Mmp14chkd) mice. Chondrocyte MT1-MMP deficiency in adult mice also caused apparent chondrocyte hypertrophy. However, Mmp14chkd mice did not exhibit synovial hyperplasia or noticeable arthritis, suggesting that chondrocyte MT1-MMP is not solely responsible for the onset of severe arthritis observed in Mmp14kd mice. Our findings also suggest that highly cell-type specific inhibition of MT1-MMP is required for its potential therapeutic use.
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Affiliation(s)
- Xiao-Dan Xia
- Department of Orthopedics, the Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan, Guangdong, China; Department of Pediatrics, Group on the Molecular and Cell Biology of Lipids, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Govind Gill
- Department of Pediatrics, Group on the Molecular and Cell Biology of Lipids, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Haiming Lin
- Department of Dentistry & Dental Hygiene, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada; Department of Orthopaedics, The First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
| | - Daniela M Roth
- Department of Dentistry & Dental Hygiene, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Hong-Mei Gu
- Department of Pediatrics, Group on the Molecular and Cell Biology of Lipids, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Xiang-Jiang Wang
- Department of Orthopedics, the Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan, Guangdong, China
| | - Feng-Yi Su
- Department of Orthopedics, the Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan, Guangdong, China
| | - Adekunle Alabi
- Department of Pediatrics, Group on the Molecular and Cell Biology of Lipids, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Maria Alexiou
- Department of Dentistry & Dental Hygiene, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Ziyang Zhang
- Department of Pediatrics, Group on the Molecular and Cell Biology of Lipids, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Gui-Qing Wang
- Department of Orthopedics, the Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan, Guangdong, China.
| | - Daniel Graf
- Department of Dentistry & Dental Hygiene, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada.
| | - Da-Wei Zhang
- Department of Pediatrics, Group on the Molecular and Cell Biology of Lipids, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada.
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Thomas J, Chen Q, Malas J, Barnes D, Peiris A, Premananthan C, Krishnan A, Rowe G, Gill G, Emerson D, Rampolla R, Chikwe J, Catarino P, Megna D. Minimally Invasive Lung Transplantation Improves Post-Operative Pulmonary Function and Reduces Opiate Requirements. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.1512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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Premananthan C, Rowe G, Gill G, Chen Q, Malas J, Zubair M, Emerson D, Kim R, Bowdish M, Chikwe J. Bicaval Versus Biatrial Heart Transplantation in Pediatric Recipients: A United Network for Organ Sharing Database Analysis. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.1344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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Wang M, Alabi A, Gu HM, Gill G, Zhang Z, Jarad S, Xia XD, Shen Y, Wang GQ, Zhang DW. Identification of amino acid residues in the MT-loop of MT1-MMP critical for its ability to cleave low-density lipoprotein receptor. Front Cardiovasc Med 2022; 9:917238. [PMID: 36093157 PMCID: PMC9452735 DOI: 10.3389/fcvm.2022.917238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 08/01/2022] [Indexed: 11/13/2022] Open
Abstract
Low-density lipoprotein receptor (LDLR) mediates clearance of plasma LDL cholesterol, preventing the development of atherosclerosis. We previously demonstrated that membrane type 1-matrix metalloproteinase (MT1-MMP) cleaves LDLR and exacerbates the development of atherosclerosis. Here, we investigated determinants in LDLR and MT1-MMP that were critical for MT1-MMP-induced LDLR cleavage. We observed that deletion of various functional domains in LDLR or removal of each of the five predicted cleavage sites of MT1-MMP on LDLR did not affect MT1-MMP-induced cleavage of the receptor. Removal of the hemopexin domain or the C-terminal cytoplasmic tail of MT1-MMP also did not impair its ability to cleave LDLR. On the other hand, mutant MT1-MMP, in which the catalytic domain or the MT-loop was deleted, could not cleave LDLR. Further Ala-scanning analysis revealed an important role for Ile at position 167 of the MT-loop in MT1-MMP’s action on LDLR. Replacement of Ile167 with Ala, Thr, Glu, or Lys resulted in a marked loss of the ability to cleave LDLR, whereas mutation of Ile167 to a non-polar amino acid residue, including Leu, Val, Met, and Phe, had no effect. Therefore, our studies indicate that MT1-MMP does not require a specific cleavage site on LDLR. In contrast, an amino acid residue with a hydrophobic side chain at position 167 in the MT-loop is critical for MT1-MMP-induced LDLR cleavage.
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Affiliation(s)
- Maggie Wang
- The Department of Pediatrics and Group on the Molecular Cell Biology of Lipids, Faculty of Medicine Dentistry, College of Health Sciences, University of Alberta, Edmonton, AB, Canada
| | - Adekunle Alabi
- The Department of Pediatrics and Group on the Molecular Cell Biology of Lipids, Faculty of Medicine Dentistry, College of Health Sciences, University of Alberta, Edmonton, AB, Canada
| | - Hong-mei Gu
- The Department of Pediatrics and Group on the Molecular Cell Biology of Lipids, Faculty of Medicine Dentistry, College of Health Sciences, University of Alberta, Edmonton, AB, Canada
| | - Govind Gill
- The Department of Pediatrics and Group on the Molecular Cell Biology of Lipids, Faculty of Medicine Dentistry, College of Health Sciences, University of Alberta, Edmonton, AB, Canada
| | - Ziyang Zhang
- The Department of Pediatrics and Group on the Molecular Cell Biology of Lipids, Faculty of Medicine Dentistry, College of Health Sciences, University of Alberta, Edmonton, AB, Canada
| | - Suha Jarad
- The Department of Pediatrics and Group on the Molecular Cell Biology of Lipids, Faculty of Medicine Dentistry, College of Health Sciences, University of Alberta, Edmonton, AB, Canada
| | - Xiao-dan Xia
- The Department of Pediatrics and Group on the Molecular Cell Biology of Lipids, Faculty of Medicine Dentistry, College of Health Sciences, University of Alberta, Edmonton, AB, Canada
- Department of Orthopedics, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People’s Hospital, Qingyuan, China
| | - Yishi Shen
- The Department of Pediatrics and Group on the Molecular Cell Biology of Lipids, Faculty of Medicine Dentistry, College of Health Sciences, University of Alberta, Edmonton, AB, Canada
| | - Gui-qing Wang
- Department of Orthopedics, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People’s Hospital, Qingyuan, China
| | - Da-wei Zhang
- The Department of Pediatrics and Group on the Molecular Cell Biology of Lipids, Faculty of Medicine Dentistry, College of Health Sciences, University of Alberta, Edmonton, AB, Canada
- *Correspondence: Da-wei Zhang,
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Brett T, Marquina C, Radford J, Heal C, Hespe C, Gill G, Sullivan D, Zomer E, Morton J, Watts G, Pang J, Ademi Z. Enhancing the potential for increased primary care role in familial hypercholesterolaemia detection and management: Cost-effectiveness and return on investment. Atherosclerosis 2022. [DOI: 10.1016/j.atherosclerosis.2022.06.898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Gill G, Zachary M, Korenis P. Psychiatric comorbidities of Incarceration in a Patient with Gender Dysphoria: A Case Report. Eur Psychiatry 2022. [PMCID: PMC9567634 DOI: 10.1192/j.eurpsy.2022.1547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Introduction Mental health remains key comorbidity in the transgender population. There are more grave consequences on mental health if there is long-term incarceration history of a transgender person. 21% of transgender women are incarcerated in their lifetime, compared to <3% of the US general population. Incarcerated, transgender women are typically at risk for verbal, physical, and sexual assault that has been cross-sectionally linked to poor mental health in transgender patients. Childhood traumas and Adverse childhood experiences like sexual abuse may attribute to gender dysphoria as well as the externalizing and internalizing behaviors of the child in later part of life. Objectives Better understand Gender Dysphoria and Incarceration. Methods A case report and review of the literature. Results X is a 56-year-old transgender female, admitted for Major Depressive disorder with Psychotic features, and substance abuse disorder. She was disoriented to person place, or time, believing she was at the “Federal Penitentiary.” She was also selectively mute and socially isolative as well as unable to perform ADL’s. She has an extensive legal history, which started in 1985 when she burglarized a pharmacy store for estrogen. Patient was started on Sertraline, Mirtazapine, and Risperidone. She was still socially withdrawn but was soon oriented to person place, and time and was able to complete her daily tasks. Conclusions In this poster we discuss the challenges of managing an acute patient with extensive legal and substance abuse history, while also addressing the features of gender identity disorder and highlighting the difficult path of both the patient and physician in managing these challenges. Disclosure No significant relationships.
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Gill G, Rothman S, Yadav G, Riess P. Arson and Schizophrenia: A Case Report and Review of Literature. Eur Psychiatry 2022. [PMCID: PMC9562742 DOI: 10.1192/j.eurpsy.2022.891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Introduction Firesetting is a behavior, arson is a crime, and pyromania is a psychiatric diagnosis. Arson is a criminal act in which a person or group of persons willing fully and maliciously sets fire or aid in firesetting to cause harm to property, people, and infrastructure. The likelihood of an arson offender having schizophrenia is 20 times greater than that in the general population. Here, we describe the case of a male in his 50’s, a first-time arsonist, who suffered from schizophrenia since his late teens prior to the onset of random firesetting behavior. Objectives To understand the association between Arson and Schizophrenia. Methods A case report, as well as a review of the literature, was conducted. Results The patient is a male in his 50’s carrying a diagnosis of Schizophrenia with over 50 inpatient hospitalizations. He was observed standing on the threshold of a neighbor’s apartments where he allegedly set fire to a pile of clothing. These charges are based upon allegations that he attempted to set fire to a 14-storey apartment building. At the time of his assessment, he was floridly psychotic. He was found not fit to stand trial. He was restarted on Clozapine and Depakote which is the medication he had the most success with. Conclusions Literature shows that Arson and firesetting behaviors are quite commonly seen in patients with mental disorders. Arson often has sequelae that negatively impact the community. The strong correlation between firesetting behavior and mental disorders needs extensive, detailed collaboration between psychiatry, legal expertise, and fire services. Disclosure No significant relationships.
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Kim J, Alli-Balogun O, Gill G, Korenis P, Mitra S. Comorbid Opioid Use Disorder in Body Dysmorphic Disorder. Eur Psychiatry 2022. [PMCID: PMC9566971 DOI: 10.1192/j.eurpsy.2022.1182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Introduction Body Dysmorphic Disorder (BDD) is a severe and common disorder that consists of distressing or impairing preoccupation with nonexistent or slight flaws in one’s physical appearance. People with BDD typically describe themselves as looking ugly, unattractive, deformed, or abnormal, whereas in reality they look normal or even very attractive. Objectives Case Study Methods Case Study Results Mr. X is a 31 year-old male with history of Opiate (heroin, oxycodone) use disorder currently on maintenance (Buprenorphine-Naloxone) treatment. On admission, urine toxicology was positive for opiates and other drugs.CIWA score was 11. He was started on Lorazepam taper, Mirtazapine, Fluoxetine, and was started on Suboxone soon after. His cravings decreased and he was admitted for Rehab. He reports that anxiety associated with his “body image” related to ears, shape of head, eyebrows since he was in high school which made him “feel uncomfortable” going to school and concentrating in his classes. His coping mechanism was covering his head with hats, shaving eyebrows, substance use, and receiving an otoplasty. Conclusions According to Houchins et al (2019), alcohol is the predominant substance used in BDD. It is interesting to note that only 6% of BDD patients had Opioid Use Disorder, but as this case demonstrates, can be a debilitating comorbidity that raises the risk for suicidality or hospitalization. However, little research has been done on the treatment of OUDs in patients with BDD or on the treatment of BDD in patients with an SUD, and this is an area of research that could benefit the modern population greatly. Disclosure No significant relationships.
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Garrels E, Gill G, Mitra S, Korenis P. A Case Report of Kratom-Induced Psychiatric Decompensation. Eur Psychiatry 2022. [PMCID: PMC9567650 DOI: 10.1192/j.eurpsy.2022.2139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Introduction
Kratom (Mitragyna speciosa) is an herb found in South East Asia belonging to the Rubiacea family, the active constituents being Mitragynine and 7-hydroxymitragynine. Sold as a dietary supplement in the form of a leaf, tablet, and powder, it has been gaining popularity as a natural supplement to alleviate pain, anxiety, depression, and manage opioid withdrawal symptoms. Our case report centers around a patient encountered with high-dose Kratom use who presented to our Psychiatric ER with psychosis.
Objectives
The objectives of this case report are to raise awareness regarding the use of a newly popular substance easily available over-the-counter and the potential impacts it has on mental health.
Methods
PubMed was searched for the criteria Kratom AND Intellectual Disability, with a secodary search for Kratom AND Psychosis.
Results
A 29-year-old male with a past psychiatric history of Schizoaffective Disorder, Borderline Intellectual Functioning, Polysubstance Use, ADHD, and six prior suicide attempts was brought to the Psychiatric ED by ambulance activated by his mother for severe psychiatric decompensation following ingestion of 270 pills of Kratom over the course of three days.
Conclusions
This case report further increases awareness of the dangers of Kratom use as well as brings to light the psychoactive properties of Kratom. This case report exposes areas where research can further expand understanding regarding the impacts Kratom can have on psychiatric populations.
Disclosure
No significant relationships.
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Rowe G, Gill G, Chikwe J, Thomas J, Peiris A, Roach A, Chen Q, Egorova N, Rampolla R, Emerson D, Megna D, Catarino P. Actual Size Mismatch in Lung Transplantation for Restrictive Lung Disease. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.209] [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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Rowe G, Gill G, Chen Q, Zubair M, Roach A, Alhossan A, Peiris A, Thomas J, Emerson D, Kim R, Chikwe J. Repeat Pediatric Heart Transplantation in the United States: United Network for Organ Sharing Database Analysis. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.403] [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] Open
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Roach A, Chen Q, Egorova N, Thomas J, Peiris A, Alhossan A, Gill G, Rowe G, Emerson D, Megna D, Chikwe J, Catarino P. Survival Benefit of Lung Transplant in Septuagenarians: A United Network of Organ Sharing Database Analysis. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Chen Q, Chan J, Roach A, Peiris A, Botting P, Rowe G, Gill G, Alhossan A, Thomas J, Megna D, Esmailian F, Catarino P, Chikwe J, Emerson D. Does Overnight Heart Transplantation Lead to Worse Outcomes? Results from a High Volume Transplant Center. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.1765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Rahman M, Ashraf R, Gladstone D, Bruza P, Jarvis L, Schaner P, Gill G, Cao X, Pogue B, Hoopes C, Zhang R. FLASH in the Clinic Track (Oral Presentations) ELECTRON FLASH FOR THE CLINIC: LINAC CONVERSION, COMMISSIONING AND TREATMENT PLANNING. Phys Med 2022. [DOI: 10.1016/s1120-1797(22)01468-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Zhang R, Bruza P, Duval K, Cao X, Ashraf R, Rahman M, Gill G, Hartford A, Zaki B, Schaner P, Jarvis L, Hoopes P, Pogue B, Gladstone D. LOGISTICS OF A FLASH-RT PROGRAM IN CLINICAL SETTING. Phys Med 2022. [DOI: 10.1016/s1120-1797(22)01673-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Brett T, Radford J, Heal C, Gill G, Hespe C, Sullivan D. An approach to detection and management of familial hypercholesterolaemia (FH) in Australian general practice – A pragmatic, multicentre study in 15 research practices. Atherosclerosis 2021. [DOI: 10.1016/j.atherosclerosis.2021.06.538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Patel S, Reynolds C, Potluri V, Bilello J, Wang Z, Kuklina A, Lindsley J, Gill G, Rana H, Bagherpour A. Abstract No. 551 Is hemorrhoid artery embolization a viable treatment modality for internal hemorrhoids? J Vasc Interv Radiol 2021. [DOI: 10.1016/j.jvir.2021.03.361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Megna D, Emerson D, Singer-Englar T, Roach A, Trento A, Ramzy D, Catarino P, Alhossan A, Rowe G, Gill G, Chikwe J, Kobashigawa J, Esmailian F. Warm Ischemic Time in Orthotopic Heart Transplantation: Is Faster Really Better? J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.750] [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: 10/21/2022] Open
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Tse BC, Said BI, Fan ZJ, Hueniken K, Patel D, Gill G, Liang M, Razooqi M, Brown MC, Sacher AG, Bradbury PA, Shepherd FA, Leighl NB, Xu W, Howell D, Liu G, O'Kane G. Longitudinal health utilities, symptoms and toxicities in patients with ALK-rearranged lung cancer treated with tyrosine kinase inhibitors: a prospective real-world assessment. Curr Oncol 2020; 27:e552-e559. [PMID: 33380870 PMCID: PMC7755437 DOI: 10.3747/co.27.6563] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [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] [Indexed: 11/15/2022] Open
Abstract
Background Tyrosine kinase inhibitors (tkis) have dramatically improved the survival of patients with ALK-rearranged (ALK+) non-small-cell lung cancer (nsclc). Clinical trial data can generally compare drugs in a pair-wise fashion. Real-world collection of health utility data, symptoms, and toxicities allows for the direct comparison between multiple tki therapies in the population with ALK+ nsclc. Methods In a prospective cohort study, outpatients with ALK+ recruited between 2014 and 2018, treated with a variety of tkis, were assessed every 3 months for clinico-demographic, patient-reported symptom and toxicity data and EQ-5D-derived health utility scores (hus). Results In 499 longitudinal encounters of 76 patients with ALK+ nsclc, each tki had stable longitudinal hus when disease was controlled, even after months to years: the mean overall hus for each tki ranged from 0.805 to 0.858, and longitudinally from 0.774 to 0.912, with higher values associated with second- or third-generation tkis of alectinib, brigatinib, and lorlatinib. Disease progression was associated with a mean hus decrease of 0.065 (95% confidence interval: 0.02 to 0.11). Health utility scores were inversely correlated to multiple symptoms or toxicities: rho values ranged from -0.094 to -0.557. Fewer symptoms and toxicities were associated with the second- and third-generation tkis compared with crizotinib. In multivariable analysis, only stable disease state and baseline Eastern Cooperative Oncology Group performance status were associated with improved hus. Conclusions There was no significant decrease in hus when patients with ALK+ disease were treated longitudinally with each tki, as long as patients were clinically stable. Alectinib, brigatinib, and lorlatinib had the best toxicity profiles and exhibited high mean hus longitudinally in the real-world setting.
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Affiliation(s)
- B C Tse
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON
| | - B I Said
- Radiation Medicine Program, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON
| | - Z J Fan
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON
| | - K Hueniken
- Department of Biostatistics, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON
| | - D Patel
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON
| | - G Gill
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON
| | - M Liang
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON
| | - M Razooqi
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON
| | - M C Brown
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON
| | - A G Sacher
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON
| | - P A Bradbury
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON
| | - F A Shepherd
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON
| | - N B Leighl
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON
| | - W Xu
- Department of Biostatistics, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON
| | - D Howell
- Bloomberg Faculty of Nursing, University of Toronto, Toronto, ON
| | - G Liu
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON
- Department of Epidemiology, Dalla Lana School of Public Health, University of Toronto, Toronto, ON
- Department of Medical Biophysics, University of Toronto, Toronto, ON
| | - G O'Kane
- Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON
- Radiation Medicine Program, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON
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Potluri V, Bilello J, Patel R, Patel S, Gill G, Bagherpour A. Abstract No. 728 Vertebral augmentation: comparing frequency and specialities that perform vertebroplasties and kyphoplasties. J Vasc Interv Radiol 2020. [DOI: 10.1016/j.jvir.2019.12.787] [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] Open
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Abstract
Abstract
Introduction
Traditional risk factors for coronary heart disease have been reported in around 85% patients who present with myocardial infarction. More recently, inflammation and immune mediated diseases have been associated with ischemic heart disease.
Inflammatory Bowel Disease (IBD) is an immune mediated disorder which comprises of ulcerative colitis and Crohn's disease. Estimated prevalence of IBD in the United States in 2004 was 1.4 million people. These patients have an overall increased risk of thrombotic complications with microvascular thrombosis hypothesized to contribute in disease pathogenesis.
Results from a recent meta-analysis were consistent with increased risk of ischemic heart disease among IBD patients, with risk greater in females and younger patients, although heterogeneity was considerable in overall data. Also, in a recent study, IBD was found to be associated with an increased risk of acute myocardial infarction and heart failure despite lower prevalence of coronary risk factors in IBD patients.
IBD pathogenesis involves sustained activation of immune responses with upregulation of cytokines including but not limited to IL-1 beta, IL-6 and TNF-alpha. Upregulation of these cytokines has also been reported in coronary atherosclerosis.
Based on above information, we explored incidence of MACE (Major Adverse Cardiac Event) in this patient population from our health system data-base.
Methods
Propensity scores were estimated for all 15,292 (0.4%) patients with inflammatory bowel disease from a total patient pool of 3,917,894 patients in our health system to assemble a 1:1 matched cohort balanced for age, gender, race and known cardiovascular risk factors including hypertension, hyperlipidemia, diabetes mellitus and smoking (current and former). ICD-9 and ICD-10 codes were used to identify cardiovascular risk factors and outcomes.
Results
Matched patients (n=30,584) had a mean age of 51 years, with 58% of all being women, and 63% Caucasian. During the median follow up of 4.4 years all-cause mortality was observed in 1.7% and 1.2% of patients from IBD and non-IBD groups respectively (hazard ratio {HR}, 1.31; 95% confidence interval {CI}, 1.08–1.58; p=0.005). Combined outcome for myocardial infarction or all-cause mortality was noted in 4.1% and 3.4% from IBD and non-IBD groups respectively (HR, 1.16; 95% CI, 1.03–1.30; p=0.014) while HRs for cardiovascular mortality, myocardial infarction and unstable angina independently were 1.04 (0.74–1.47; p=0.833), 1.05 (0.89–1.23; p=0.591) and 1.10 (0.83–1.46; p=0.524) respectively.
Conclusion
Inflammatory bowel disease did not show association with myocardial infarction, cardiovascular mortality or unstable angina when matched for known cardiovascular risk factors, but was associated with increased all-cause mortality and combined end-point of all-cause mortality or myocardial infarction.
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Affiliation(s)
- G Gill
- Washington Hospital Center, Washington, United States of America
| | - S Fernandez
- Medstar Research Institute, Washington, United States of America
| | - M Soud
- Washington Hospital Center, Washington, United States of America
| | - M Mete
- Medstar Research Institute, Washington, United States of America
| | - N Malhotra
- Washington Hospital Center, Washington, United States of America
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Goel S, Ocean A, Chaudhary I, Ghalib M, Kaledzi E, Shah U, Gutierrez A, Coffey M, Gill G, Maitra R. Mechanism of pelareorep (Pel)-mediated cell death in a Phase I study in combination with irinotecan/fluorouracil/leucovorin/bevacizumab (FOLFIRI/B) in patients with KRAS mutant metastatic colorectal cancer (mCRC). Ann Oncol 2017. [DOI: 10.1093/annonc/mdx393.049] [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: 11/14/2022] Open
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24
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Zhang I, Gill G, Marrero M, Sharma A, Riegel A, Paul D, Knisely J, Teckie S, Ghaly M. EP-1071: Organ-sparing SBRT in reirradiation of head and neck cancer: efficacy, toxicity, and quality of life. Radiother Oncol 2017. [DOI: 10.1016/s0167-8140(17)31507-4] [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: 11/28/2022]
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Buckley E, Farshid G, Gill G, Kollias J, Koczwara B, Karapetis C, Adams J, Joshi R, Keefe D, Niyonsenga T, Powell K, Fusco K, Eckert M, Beckmann K, Roder D. Assessing impact of organised breast screening across small residential areas-development and internal validation of a prediction model. Eur J Cancer Care (Engl) 2017; 26. [PMID: 28271574 DOI: 10.1111/ecc.12673] [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] [Accepted: 02/05/2017] [Indexed: 11/29/2022]
Abstract
Monitoring screening mammography effects in small areas is often limited by small numbers of deaths and delayed effects. We developed a risk score for breast cancer death to circumvent these limitations. Screening, if effective, would increase post-diagnostic survivals through lead-time and related effects, as well as mortality reductions. Linked cancer and BreastScreen data at four hospitals (n = 2,039) were used to investigate whether screened cases had higher recorded survivals in 13 small areas, using breast cancer deaths as the outcome (M1), and a risk of death score derived from TNM stage, grade, histology type, hormone receptor status, and related variables (M2). M1 indicated lower risk of death in screened cases in 12 of the 13 areas, achieving statistical significance (p < .05) in 5. M2 indicated lower risk scores in screened cases in all 13 areas, achieving statistical significance in 12. For cases recently screened at diagnosis (<6 months), statistically significant reductions applied in 8 areas (M1) and all 13 areas (M2). Screening effects are more detectable in small areas using these risk scores than death itself as the outcome variable. An added advantage is the application of risk scores for providing a marker of screening effect soon after diagnosis.
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Affiliation(s)
- E Buckley
- Centre for Population Health Research, University of South Australia, Adelaide, SA, Australia
| | - G Farshid
- SA Health, BreastScreen SA, Adelaide, SA, Australia
| | - G Gill
- Breast Endocrine and Surgical Oncology Unit, RAH, Discipline of Surgery, University of Adelaide, North Terrace, Adelaide, SA, Australia
| | | | - B Koczwara
- Department of Medical Oncology, Flinders University, Adelaide, SA, Australia
| | - C Karapetis
- Department of Medical Oncology, Flinders University, Adelaide, SA, Australia
| | - J Adams
- Medical Oncology, Lyell McEwin Hospital, Elizabeth Vale, SA, Australia
| | - R Joshi
- Medical Oncology, Lyell McEwin Hospital, Elizabeth Vale, SA, Australia
| | - D Keefe
- Royal Adelaide Hospital, Adelaide, SA, Australia
| | - T Niyonsenga
- Centre for Population Health Research, University of South Australia, Adelaide, SA, Australia
| | - K Powell
- South Australian Health & Medical Research Institute, Adelaide, SA, Australia
| | - K Fusco
- Centre for Population Health Research, University of South Australia, Adelaide, SA, Australia
| | - M Eckert
- Cancer Nursing, University of South Australia, Adelaide, SA, Australia
| | - K Beckmann
- Centre for Population Health Research, University of South Australia, Adelaide, SA, Australia
| | - D Roder
- Centre for Population Health Research, University of South Australia, Adelaide, SA, Australia
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Riegel AC, Rea A, Kuruvilla A, Gill G, Souri S, Kapur A, Cao Y, Jamshidi A. TH-CD-304-02: Clinical Uncertainty of in Vivo Dosimetry for Intensity-Modulated Radiation Therapy Using Optically-Stimulated Luminescent Dosimeters. Med Phys 2016. [DOI: 10.1118/1.4926208] [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: 11/07/2022] Open
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Ribeiro I, Ngu J, Tardioli K, Folch S, Gill G, Rubens F. HIGH FIDELITY BEATING HEART PORCINE MODEL FOR CARDIAC SURGERY AND CARDIOPULMONARY BYPASS TRAINING. Can J Cardiol 2016. [DOI: 10.1016/j.cjca.2016.07.296] [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] Open
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28
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Gill G, Jose B. Primum non nocere. Resist the urge to treat. QJM 2016; 109:573. [PMID: 27318365 PMCID: PMC4986443 DOI: 10.1093/qjmed/hcw098] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- G Gill
- From the Royal Stoke University Hospital, University Hospitals of North Midlands, Stoke-on-Trent ST4 6QG, UK
| | - B Jose
- From the Royal Stoke University Hospital, University Hospitals of North Midlands, Stoke-on-Trent ST4 6QG, UK
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Ghoneum M, Jackson K, Salem F, Gill G. Murine Inter-Sex Difference in Methylcholanthrene Induced Tumor and its Correlation with NK Activity. Int J Immunopathol Pharmacol 2016. [DOI: 10.1177/039463209100400102] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Susceptibility to 3-methylcholanthrene (MC) induced tumor development between adult male and female C3H mice at 3–4 mo. old was examined. Animals that were injected (s.c.) with a tumorigenic dose (150 μg/mouse) of MC demonstrated a significant difference in the latent period of tumor development between both sexes. Female mice were more responsive and developed tumors at 3 wks after treatment, whereas, male mice were less responsive as indicated by the longer latent period (10 wks). In order to correlate these data with activity of natural killer (NK) cells, splenic NK activity was measured by 4 hr 51Cr-release assay. The results showed male mice having higher activity: 27 lytic units (LU) in comparison to female ones (3 LU). This was attributed to a decrease in the lytic effect of female NK cells (11%) compared to male mice (20%), since the binding capacity of effector cells to their targets was similar in both sexes (15%), as indicated by single cell assay. The possible role of an immunosuppressive factor (IF) in the sera of female mice was investigated. NK cells from young females demonstrated 33% suppression in activity post culture with sera from 3–4 mo. old female mice. In conclusion, this study demonstrates a sex-linked tumor development by MC treatment, and correlates this phenomenon with differences of NK activity between young male and female mice as well as in the age-dependent decline of reactivity. A possible immunosuppressive mechanism may be operative in explaining as to why MC is more effective in tumorigenesis in female mice as opposed to males.
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Affiliation(s)
- M. Ghoneum
- Department of Otolaryngology, Los Angeles, CA 90059, U.S.A
| | - K. Jackson
- Department of Otolaryngology, Los Angeles, CA 90059, U.S.A
| | - F. Salem
- Department of Pathology, Los Angeles, CA 90059, U.S.A
| | - G. Gill
- Department of Otolaryngology, Los Angeles, CA 90059, U.S.A
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Rea A, Kuruvilla A, Gill G, Riegel A, Klein E. SU-F-T-321: The Effect of an Electromagnetic Array Used for Patient Localization and Tumor Tracking On OSLD in Vivo Dosimetry. Med Phys 2016. [DOI: 10.1118/1.4956506] [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: 11/07/2022] Open
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Gill G, Souri S, Rea A, Chen Y, Antone J, Qian X, Riegel A, Taylor P, Marrero M, Diaz F, Cao Y, Jamshidi A, Barley S, Sorell V, Karangelis G, Button T, Klein E. SU-F-P-54: Guidelines to Check Image Registration QA of a Clinical Deformation Registration Software: A Single Institution Preliminary Study. Med Phys 2016. [DOI: 10.1118/1.4955761] [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: 11/07/2022] Open
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32
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Souri S, Qian X, Gill G, Jamshidi A, Cao Y, Chen Y. SU-F-T-52: Study of Energy Dependent Effect of Dosimetry Systems Used in Therapeutic Soft X-Ray Energy Range. Med Phys 2016. [DOI: 10.1118/1.4956187] [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: 11/07/2022] Open
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Diaz Molina F, Cao Y, Klein E, Knisely J, Gill G, Marrero M, Schulder M, Kirsch J. SU-F-J-170: Comparison of Residual Distortions for MRI Sequences On a 3T MRI Unit Using a 3D Rectilinear Grid Phantom. Med Phys 2016. [DOI: 10.1118/1.4956078] [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: 11/07/2022] Open
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Gill G, Kalyanasundaram K, Varughese G, Wilson P, Varadhan L. Fine Needle Aspiration Cytology vs. the Postoperative Histology – the Continuing Need for Multi-Disciplinary Approach? Exp Clin Endocrinol Diabetes 2016; 124:448-51. [DOI: 10.1055/s-0042-106082] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- G. Gill
- Diabetes & Endocrinology, NHS, Stoke On Trent, United Kingdom of Great Britain and Northern Ireland
| | - K. Kalyanasundaram
- Stoke On Trent, NHS, United Kingdom of Great Britain and Northern Ireland
| | - G. Varughese
- Diabetes & Endocrinology, UHNM, Stoke On Trent, Great Britain and Northern Ireland
| | - P. Wilson
- Diabetes & Endocrinology, UHNM, Stoke On Trent, Great Britain and Northern Ireland
| | - L. Varadhan
- Diabetes & Endocrinology, UHNM, Stoke On Trent, Great Britain and Northern Ireland
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Abney CW, Das S, Mayes RT, Kuo LJ, Wood J, Gill G, Piechowicz M, Lin Z, Lin W, Dai S. A report on emergent uranyl binding phenomena by an amidoxime phosphonic acid co-polymer. Phys Chem Chem Phys 2016; 18:23462-8. [DOI: 10.1039/c6cp04772f] [Citation(s) in RCA: 13] [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] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
XAFS investigations of uranyl binding by an adsorbent polymer reveal different coordination modes than anticipated from previous small molecule studies.
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Affiliation(s)
| | - S. Das
- Oak Ridge National Laboratory
- Oak Ridge
- USA
| | | | - L.-J. Kuo
- Marine Sciences Laboratory
- Pacific Northwest National Laboratory
- Sequim
- USA
| | - J. Wood
- Marine Sciences Laboratory
- Pacific Northwest National Laboratory
- Sequim
- USA
| | - G. Gill
- Marine Sciences Laboratory
- Pacific Northwest National Laboratory
- Sequim
- USA
| | | | - Z. Lin
- The University of Chicago
- Chicago
- USA
| | - W. Lin
- The University of Chicago
- Chicago
- USA
| | - S. Dai
- Oak Ridge National Laboratory
- Oak Ridge
- USA
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Affiliation(s)
- S. Das
- Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, Tennessee 37831-6053, United States
| | - Y. Oyola
- Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, Tennessee 37831-6053, United States
| | - R. T. Mayes
- Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, Tennessee 37831-6053, United States
| | - C. J. Janke
- Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, Tennessee 37831-6053, United States
| | - L.-J. Kuo
- Marine
Sciences Laboratory, Pacific Northwest National Laboratory, Sequim, Washington 98382, United States
| | - G. Gill
- Marine
Sciences Laboratory, Pacific Northwest National Laboratory, Sequim, Washington 98382, United States
| | - J. R. Wood
- Marine
Sciences Laboratory, Pacific Northwest National Laboratory, Sequim, Washington 98382, United States
| | - S. Dai
- Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, Tennessee 37831-6053, United States
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Affiliation(s)
- S. Das
- Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, Tennessee 37831-6053, United States
| | - Y. Oyola
- Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, Tennessee 37831-6053, United States
| | - Richard T. Mayes
- Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, Tennessee 37831-6053, United States
| | - Chris J. Janke
- Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, Tennessee 37831-6053, United States
| | - L.-J. Kuo
- Marine
Sciences Laboratory, Pacific Northwest National Laboratory, Sequim, Washington 98382, United States
| | - G. Gill
- Marine
Sciences Laboratory, Pacific Northwest National Laboratory, Sequim, Washington 98382, United States
| | - J. R. Wood
- Marine
Sciences Laboratory, Pacific Northwest National Laboratory, Sequim, Washington 98382, United States
| | - S. Dai
- Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, Tennessee 37831-6053, United States
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Chen Y, Souri S, Gill G, Rea A, Kuruvilla A, Riegel A, Cao Y, Jamshidi A. SU-E-T-586: Optimal Determination of Tolerance Level for Radiation Dose Delivery Verification in An in Vivo Dosimetry System. Med Phys 2015. [DOI: 10.1118/1.4924948] [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: 11/07/2022] Open
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Beumer J, Gill G, Campbell I, Wetzig N, Ung O, Farshid G, Uren R, Stockler M, Gebski V. Sentinel node biopsy and large (≥3cm) breast cancer. Breast 2014. [DOI: 10.1016/j.breast.2014.05.004] [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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Ottaviani S, Gill G, Aubrun A, Palazzo E, Meyer O, Dieudé P. OP0008 Ultrasound in Gout: A Useful Tool for Follow-Up with Urate-Lowering Therapy. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.2941] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Cheung P, Dougados M, Andre V, Balandraud N, Chales G, Chary-Valckenaere I, Chatelus E, Dernis E, Gill G, Gilson M, Guis S, Mouterde G, Marhadour T, Nguyen M, Pavy S, Pouyol F, Richette P, Ruyssen-Witrand A, Soubrier M, Gossec L. AB1412 Nurses can achieve very good agreement with physicians for joint counts in rheumatoid arthritis – a feasible training method. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2012-eular.1404] [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: 11/04/2022]
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Maillet J, Ottaviani S, Nicaise-Roland P, Gill G, Palazzo E, De Chaisemartin L, Meyer O, Chollet-Martin S, Dieudé P. FRI0461 Do the anti-saccharomyces cerevisiae antibodies (ASCA) modify the ankylosing spondylitis phenotype? Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2013-eular.1588] [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: 11/04/2022]
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Ottaviani S, Dawidowicz K, Palazzo E, Gill G, Hayem G, Meyer O, Dieudé P. THU0443 Differential diagnosis between rheumatoid arthritis and peripheral spondylarthropathies: Usefulness of shoulders ultrasonography. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2012-eular.2408] [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: 11/03/2022]
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Gardette A, Ottaviani S, Tubach F, Nicaise-Roland P, Palazzo E, Gill G, Meyer O, Dieudé P. AB0298 High level of anti-ccp antibodies is predictive of good response to rituximab in patients with active rheumatoid arthritis. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2013-eular.2620] [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: 11/04/2022]
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Ottaviani S, Molto A, Ea HK, Neveu S, Gill G, Brunier L, Palazzo E, Meyer O, Richette P, Bardin T, Allanore Y, Lioté F, Dougados M, Dieudé P. AB0642 Efficacy of anakinra in gouty arthritis in real life population: a report of 36 cases. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2013-eular.2964] [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: 11/03/2022]
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Abstract
OBJECTIVE Fortification of human milk for preterm infants is necessary and a common newborn intensive care practice. Currently, acidified human milk as part of a human milk fortifier is being fed to preterm infants. However, there are little data on the acidification effects on mother's milk. The aim of this study is to determine the effects of acidification on human milk's cellular and nutritional composition. STUDY DESIGN One hundred milk samples were collected from eight mothers who had infants in the neonatal intensive care unit. All milk samples were frozen at 4 °C. The frozen samples were thawed and divided into two equal aliquots, control and acidified. The control milk sample had its pH determined while the other sample was acidified to pH 4.5. Each milk sample was examined for pH, white cells, total protein, creamatocrit, lipase activity and free fatty acids. RESULT Mean pH of the human milk control was 6.8 ± 0.1 (M ± s.d.) with the acidified milk at 4.5 ± 0.1. Acidification caused a 76% decrease in white cells, a 56% decrease in lipase activity and a 14% decrease in the total protein but a 36% increase in the creamatocrit. CONCLUSION Acidification of human milk causes significant changes of the milk's cellular and nutritional components that may not be beneficial to preterm infants.
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Affiliation(s)
- T Erickson
- Department of Pediatrics, Division of Neonatology, University of Utah Health Science Center, Salt Lake City, UT 84158, USA
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Ahn S, Van Zandt B, Prince E, Gill G, Soares G, Dubel G, Marshall D, Reddy S. 504 cases of non-GSV EVLA: long term outcomes and comparison with GSV EVLA. J Vasc Interv Radiol 2013. [DOI: 10.1016/j.jvir.2013.01.187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Ahn S, Gill G, Prince E, Soares G, Van Zandt B, Dubel G, Marshall D, Reddy S. Endovenous laser ablation (EVLA) performed with 1470 nm laser: long term outcomes and comparison with 980 nm laser. J Vasc Interv Radiol 2013. [DOI: 10.1016/j.jvir.2013.01.358] [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] Open
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49
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Fang A, Gill G, Morita S, Waldman D. Clinical outcomes of IVC filter placement in patients with renal vein anomalies. J Vasc Interv Radiol 2013. [DOI: 10.1016/j.jvir.2013.01.208] [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] Open
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50
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Mahalingam D, Wang Y, Lu T, Sarantopoulos J, Vemulapalli S, Aparo S, Coffey M, Gill G, Kennealey G, Mita M. 555 A Study of REOLYSIN in Combination with Gemcitabine in Patients with Advanced Pancreatic Adenocarcinoma. Eur J Cancer 2012. [DOI: 10.1016/s0959-8049(12)72352-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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