126
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Karam I, Yao M, Heron D, Poon I, Koyfman S, Yom S, Siddiqui F, Lartigau E, Cengiz M, Yamazaki H, Hara W, Phan J, Vargo J, Lee V, Foote R, Harter K, Lee N, Sahgal A, Lo S. Consensus Statement From the International Stereotactic Body Radiotherapy Consortium for Head and Neck Carcinoma—Technical Factors. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.1592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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127
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Leeman J, Li J, Venigalla P, Romesser P, Zumsteg Z, McBride S, Tsai C, Higginson D, Katabi N, Boyle J, Roman B, Sherman E, Lee N, Riaz N. Natural History Following Recurrence After Definitive Locoregional Treatment in 1000+ Cases of Locally Advanced Head and Neck Squamous Cell Carcinoma. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.1594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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128
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Samstein R, Leeman J, Li J, Venigalla P, Ganly I, Wong R, Higginson D, Riaz N, Lee N, McBride S. Outcomes for Locally Advanced Laryngeal Cancer Treated With Definitive Chemoradiation With Intensity Modulated Radiation Therapy. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.1615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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129
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Lazarev S, Todorov B, Tam J, Lee N, Gupta V, Bakst R. Adjuvant Radiation in the TORS Era – Is There a Benefit to Omitting the Primary Site? Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.1465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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130
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Leeman J, Li J, Venigalla P, Zumsteg Z, Romesser P, Katabi N, McBride S, Tsai C, Higginson D, Sherman E, Roman B, Riaz N, Lee N. Patterns of Regional Nodal Failure Following Intensity Modulated Radiation Therapy for Head and Neck Squamous Cell Carcinoma. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.1476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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131
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Giaddui T, Bollinger D, Glick A, Zhong H, Phillips H, Nunez F, Infante R, Hames S, Linnemann N, Lee R, Tak-Cheung Chan A, Yom S, Hara W, Baxi S, Chakravarti A, Lee N, Xia P, Xiao Y. Toward Improving Treatment Planning Quality and Efficiency Using Knowledge Engineering and Autoplanning: A Study Based on NRG-HN001 Clinical Trial. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.2273] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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132
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Leeman J, Li J, Venigalla P, Romesser P, Zumsteg Z, McBride S, Tsai C, Higginson D, Katabi N, Boyle J, Roman B, Sherman E, Lee N, Riaz N. Comparison of Outcomes Following Recurrence or Metastasis in HPV+ and HPV- Oropharyngeal Carcinoma Treated With Definitive Chemoradiation Using IMRT. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.1522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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133
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LaPlant Q, Li J, Venigalla P, Leeman J, Setton J, Sherman E, Higginson D, McBride S, Riaz N, Lee N, Tsai C. Patterns of Nodal Failure After Intensity Modulated Radiation Therapy for Patients With Nasopharyngeal Carcinoma. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.1516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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134
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Awan M, Zakem S, Ward M, Machtay M, Riaz N, Caudell J, Dunlap N, Isrow D, Dault J, Higgins K, Beitler J, Siddiqui F, Trotti A, Lee N, Koyfman S, Heron D, Yao M. Reirradiation Outcomes After Upfront Larynx Preservation or Total Laryngectomy: A Multi-institutional Analysis. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.1577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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135
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Vargo J, Ward M, Caudell J, Riaz N, Dunlap N, Isrow D, Zakem S, Dault J, Awan M, Higgins K, Beitler J, Yao M, Machtay M, Siddiqui F, Trotti A, Lee N, Koyfman S, Heron D. Optimal Treatment Selection of Stereotactic Body Radiation Therapy and Intensity Modulated Radiation Therapy for Reirradiation of Head and Neck Cancer: A Multi-Institution Comparison. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.281] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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136
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Park J, Lee N, Kim J, Park H, Heo S, Beom S, Kim H, Rha S, Chung H, Yun M, Cho A, Jung M. The prognostic role and association of 18F-FDG PET CT and HER2 expression in gastric cancer. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw371.65] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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137
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Lui G, Wong VWS, Wong GLH, Chu WCW, Wong CK, Yung IMH, Wong RYK, Yeung SL, Yeung DKW, Cheung CSK, Chan HY, Chan HLY, Lee N. Liver fibrosis and fatty liver in Asian HIV-infected patients. Aliment Pharmacol Ther 2016; 44:411-21. [PMID: 27301337 DOI: 10.1111/apt.13702] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2016] [Revised: 03/29/2016] [Accepted: 05/27/2016] [Indexed: 02/06/2023]
Abstract
BACKGROUND Little is known about the importance of liver fibrosis and fatty liver in HIV-monoinfected individuals without hepatitis virus co-infection, particularly among the Asian population. AIM To evaluate prevalence and risk factors for liver fibrosis and fatty liver in Asian HIV-monoinfected individuals. METHODS Eighty asymptomatic HIV-monoinfected individuals (tested negative for HBV/HCV) were compared with 160 matched HIV-uninfected healthy controls. Transient elastography and proton-magnetic resonance spectroscopy ((1) H-MRS) were performed to measure liver stiffness and hepatic steatosis respectively. Blood samples were analysed for metabolic profiles and markers of steatohepatitis (e.g. cytokeratin-18). RESULTS All HIV-infected individuals (mean ± s.d. age 54 ± 11 years, male 93%, Chinese 94%; diagnosis median duration 8 (IQR 4-13 years) were stable on anti-retrovirals (PI-based 58.7%, NNRTI-based 25.0% integrase-inhibitors 16.3%); diabetes, dyslipidaemia, and metabolic syndrome were common. Fatty liver disease was detected in 28.7%. There was significantly higher degree of liver stiffness [4.9 (IQR 4.1-6.2) kPa vs. 4.2 (IQR 3.6-5.0) kPa, P < 0.001], and greater proportions developed significant fibrosis (7.0 kPa, 14.3% vs. 3.1%, P = 0.001) and cirrhosis (10.3 kPa, 5.2% vs. 0.6%, P = 0.040) compared with controls. HIV infection was an independent risk factor for significant fibrosis (adjusted OR 4.00, 95% CI 1.29-12.41, P = 0.016). HIV-infected individuals with fatty liver had excessive liver stiffness and fibrosis. Two cases of asymptomatic hepatocellular carcinoma were detected. CONCLUSIONS HIV-monoinfected patients are at risk for liver fibrosis and cirrhosis. HIV-related mechanisms and fatty liver disease may play important roles. Screening and intervention to prevent severe outcomes should be considered.
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Stock C, Rodriguez EE, Lee N, Green MA, Demmel F, Ewings RA, Fouquet P, Laver M, Niedermayer C, Su Y, Nemkovski K, Rodriguez-Rivera JA, Cheong SW. Solitary Magnons in the S=5/2 Antiferromagnet CaFe_{2}O_{4}. PHYSICAL REVIEW LETTERS 2016; 117:017201. [PMID: 27419585 DOI: 10.1103/physrevlett.117.017201] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Indexed: 06/06/2023]
Abstract
CaFe_{2}O_{4} is a S=5/2 anisotropic antiferromagnet based upon zig-zag chains having two competing magnetic structures, denoted as the A (↑↑↓↓) and B (↑↓↑↓) phases, which differ by the c-axis stacking of ferromagnetic stripes. We apply neutron scattering to demonstrate that the competing A and B phase order parameters result in magnetic antiphase boundaries along c which freeze on the time scale of ∼1 ns at the onset of magnetic order at 200 K. Using high resolution neutron spectroscopy, we find quantized spin wave levels and measure 9 such excitations localized in regions ∼1-2 c-axis lattice constants in size. We discuss these in the context of solitary magnons predicted to exist in anisotropic systems. The magnetic anisotropy affords both competing A+B orders as well as localization of spin excitations in a classical magnet.
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Lee N, Chan PKS, Tam WWS, Chan MCW, Lui GCY, Kwok AK, Ko FWS, Ng SSS, Yung IMH, Wong RYK, Hui DSC. Virological response to peramivir treatment in adults hospitalised for influenza-associated lower respiratory tract infections. Int J Antimicrob Agents 2016; 48:215-9. [PMID: 27319273 DOI: 10.1016/j.ijantimicag.2016.05.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Revised: 05/06/2016] [Accepted: 05/07/2016] [Indexed: 11/25/2022]
Abstract
An open-label trial on intravenous peramivir was conducted among adult patients hospitalised for influenza-associated lower respiratory tract complications (LRTCs). Virus culture and quantitative reverse transcription PCR (qRT-PCR) were performed serially until Day 10. Peramivir treatment was associated with viral RNA decline as well as culture and RNA negativity, which occurred at rates comparable with those of oseltamivir: by Day 5, viral load decline -2.5 log10 copies/mL [βinteraction -0.071, standard error (SE) 0.121, 95% confidence interval (CI) -0.309 to 0.167]; culture-negative, 94% (vs. 95%); and RNA-negative, 44% (vs. 36%). Extended treatment of >5 days was required in 69% of cases because of slow clinical resolution and viral clearance in LRTCs. Peramivir was well tolerated. These data are useful for future trial design in this unique population.
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Thor M, Tyagi N, Hazoglou V, Saleh Z, Riaz N, Lee N, Deasy J. WE-FG-202-07: An MRI-Based Approach to Quantify Radiation-Induced Normal Tissue Injury Applied to Trismus After Head and Neck Cancer Radiotherapy. Med Phys 2016. [DOI: 10.1118/1.4957919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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141
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Thor M, Owosho A, Rosenburg H, Yom S, Oh J, Riaz N, Tsai J, Lee N, Huryn J, Estilo C, Deasy J. WE-AB-207B-08: Exploring and Refining the QUANTEC Guideline to Reduce Severe Hyposalivation Following IMRT for Head and Neck Cancer. Med Phys 2016. [DOI: 10.1118/1.4957789] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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142
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Cho J, Joo MS, Kang MK, Choi JH, Park SM, Choi S, Lee N. PT170 Mid-Term On-Clopidogrel Platelet Reactivity (PR) and Long-Term Adverse Events in Patients on Prolonged Dual Antiplatelet Therapy (DAPT). Glob Heart 2016. [DOI: 10.1016/j.gheart.2016.03.536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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143
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Crispin-Ortuzar M, Grkovski M, Beattie B, Lee N, Riaz N, Humm J, Jeong J, Fontanella A, Deasy J. WE-AB-202-11: Radiobiological Modeling of Tumor Response During Radiotherapy Based On Pre-Treatment Dynamic PET Imaging Data. Med Phys 2016. [DOI: 10.1118/1.4957752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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144
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Cho J, Joo MS, Park EJ, Kang MK, Choi JH, Park SM, Choi S, Lee N. PT171 Temporal Changes of On-Clopidogrel Platelet Reactivity in Patients Treated With Percutaneous Coronary Intervention (PCI) Using Drug-Eluting Stent (DES): An Observational Study From Single Center PCI Cohort. Glob Heart 2016. [DOI: 10.1016/j.gheart.2016.03.537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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145
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Jin S, Shin JU, Noh JY, Kim H, Kim JY, Kim SH, Kim JH, Park CO, Lee N, Lee H, Lee JS, Lee KH. DOCK8: regulator of Treg in response to corticotropin-releasing hormone. Allergy 2016; 71:811-9. [PMID: 26799599 DOI: 10.1111/all.12845] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/14/2016] [Indexed: 02/02/2023]
Abstract
BACKGROUND Atopic dermatitis (AD) is exacerbated by psychological factors, such as stress. We previously reported that corticotrophin-releasing hormone (CRH) treatment in AD patients decreased the proportion of IL-10(+) Tr1 cells, a subset of inducible regulatory T cells (Tregs). However, changes in the function of Tregs in response to CRH have yet to be studied. METHODS We analyzed the total proteins taken from CRH-treated and untreated Tregs from AD mice model (NC/Nga mice) using a quantitative proteomic analysis for the different protein expressions. RESULTS We found a statistically decreased protein level of DOCK8 in CRH-treated Tregs from AD mice. In human, DOCK8 protein levels were also significantly decreased in CRH-treated Tregs from AD patients. Moreover, the expression of DOCK8 in Tregs was inversely correlated with the anxiety levels in the AD patients. In addition to the clinical correlation of DOCK8 with the stress level of AD patients, the knockdown of DOCK8 in Tregs reduced the inhibitory cytokines, IL-10 and TGF-β, and inhibited the regulatory function of Tregs to suppress the proliferation and TNF-α release of CD4(+) T cells in vitro. CONCLUSION This study provides new insights on the mechanisms of stress-induced AD aggravation by showing that CRH downregulated DOCK8 expression in Tregs that not only clinically correlates with anxiety levels of AD patients but also regulates suppressive function of Tregs on CD4(+) T cells.
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Ludwig K, Li J, Venigalla P, Zhang J, Tang X, Tyagi N, Fontenla S, Lee N, Saleh Z. SU-F-J-104: Weekly MRI for Dose Assessment of Organs at Risk During Treatment of HN Cancer of the Oropharynx. Med Phys 2016. [DOI: 10.1118/1.4956012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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147
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Ahn S, Lee N, Shin S, Choi C, Han Y, Park H, Choi D, Lim D. SU-F-T-662: Feasibility Study of Fe3O4/TaOx Nano Particles as a Radiosensitizer for Radiation Therapy. Med Phys 2016. [DOI: 10.1118/1.4956848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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148
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Lee N. SU-F-T-176: Therapeutic Proton Beam Range Measurement Method with EBT3 Film. Med Phys 2016. [DOI: 10.1118/1.4956313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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149
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Cleary C, Leeman JE, Higginson DS, Katabi N, Sherman E, Morris L, McBride S, Lee N, Riaz N. Biological Features of Human Papillomavirus-related Head and Neck Cancers Contributing to Improved Response. Clin Oncol (R Coll Radiol) 2016; 28:467-74. [PMID: 27052795 DOI: 10.1016/j.clon.2016.03.001] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Revised: 02/29/2016] [Accepted: 03/01/2016] [Indexed: 01/08/2023]
Abstract
Head and neck squamous cell carcinomas (HNSCC) are the sixth most common malignancy globally, and an increasing proportion of oropharyngeal HNSCCs are associated with the human papillomavirus (HPV). Patients with HPV-associated tumours have markedly improved overall and disease-specific survival compared with their HPV-negative counterparts when treated with chemoradiation. Although the difference in outcomes between these two groups is clearly established, the mechanism underlying these differences remains an area of investigation. Data from preclinical, clinical and genomics studies have started to suggest that an increase in radio-sensitivity of HPV-positive HNSCC may be responsible for improved outcomes, the putative mechanisms of which we will review here. The Cancer Genome Atlas and others have recently documented a multitude of molecular differences between HPV-positive and HPV-negative tumours. Preclinical investigations by multiple groups have explored possible mechanisms of increased sensitivity to therapy, including examining differences in DNA repair, hypoxia and the immune response. In addition to differences in the response to therapy, some groups have started to investigate phenotypic differences between the two diseases, such as tumour invasiveness. Finally, we will conclude with a brief review of ongoing clinical trials that are attempting to de-escalate treatment to minimise long-term toxicity while maintaining cure rates. New insights from preclinical and genomic studies may eventually lead to personalised treatment paradigms for HPV-positive patients.
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Rwigema J, Lee N, Chen A, Heron D. Salvage Therapy for Locoregionally Recurrent Head and Neck Cancer Occurring in a Previously Irradiated Field: A National Survey of Practice Patterns. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2015.12.245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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