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Gao Z, Lin J, Hong P, Hu Z, Dong J, Shi Q, Tian X, Liu F, Wei G. [Identification of key genes in Wilms tumor based on high-throughput RNA sequencing and their impacts on prognosis and immune responses]. Nan Fang Yi Ke Da Xue Xue Bao 2024; 44:727-738. [PMID: 38708507 DOI: 10.12122/j.issn.1673-4254.2024.04.15] [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] [Subscribe] [Scholar Register] [Indexed: 05/07/2024]
Abstract
OBJECTIVE To identify the key genes differentially expressed in Wilms tumor and analyze their potential impacts on prognosis and immune responses of the patients. METHODS High-throughput RNA sequencing was used to identify the differentially expressed mRNAs in clinical samples of Wilms tumor and paired normal tissues, and their biological functions were analyzed using GO, KEGG and GSEA enrichment analyses. The hub genes were identified using STRING database, based on which a prognostic model was constructed using LASSO regression. The mutations of the key hub genes were analyzed and their impacts on immunotherapy efficacy was predicted using the cBioPortal platform. RT-qPCR was used to verify the differential expressions of the key hub genes in Wilms tumor. RESULTS Of the 1612 differentially expressed genes identified in Wilms tumor, 1030 were up-regulated and 582 were down-regulated, involving mainly cell cycle processes and immune responses. Ten hub genes were identified, among which 4 genes (TP53, MED1, CCNB1 and EGF) were closely related to the survival of children with Wilms tumor. A 3-gene prognostic signature was constructed through LASSO regression analysis, and the patients stratified into with high- and low-risk groups based on this signature had significantly different survival outcomes (HR=1.814, log-rank P=0.002). The AUCs of the 3-, 5- and 7-year survival ROC curves of this model were all greater than 0.7. The overall mutations in the key hub genes or the individual mutations in TP53/CCNB1 were strongly correlated with a lower survival rates, and a high TP53 expression was correlated with a poor immunotherapy efficacy. RT-qPCR confirmed that the key hub genes had significant differential expressions in Wilms tumor tissues and cells. CONCLUSION TP53 gene plays an important role in the Wilms tumor and may potentially serve as a new immunotherapeutic biomarker as well as a therapeutic target.
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Affiliation(s)
- Z Gao
- Department of Urological Surgery, Children's Hospital of Chongqing Medical University; National Clinical Research Center for Child Health and Disorders; Ministry of Education Key Laboratory of Child Development and Disorders; Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing 400014, China
| | - J Lin
- Department of Urological Surgery, Children's Hospital of Chongqing Medical University; National Clinical Research Center for Child Health and Disorders; Ministry of Education Key Laboratory of Child Development and Disorders; Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing 400014, China
| | - P Hong
- Department of Urological Surgery, Children's Hospital of Chongqing Medical University; National Clinical Research Center for Child Health and Disorders; Ministry of Education Key Laboratory of Child Development and Disorders; Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing 400014, China
| | - Z Hu
- Department of Urological Surgery, Children's Hospital of Chongqing Medical University; National Clinical Research Center for Child Health and Disorders; Ministry of Education Key Laboratory of Child Development and Disorders; Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing 400014, China
| | - J Dong
- Department of Urological Surgery, Children's Hospital of Chongqing Medical University; National Clinical Research Center for Child Health and Disorders; Ministry of Education Key Laboratory of Child Development and Disorders; Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing 400014, China
| | - Q Shi
- Department of Urological Surgery, Children's Hospital of Chongqing Medical University; National Clinical Research Center for Child Health and Disorders; Ministry of Education Key Laboratory of Child Development and Disorders; Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing 400014, China
| | - X Tian
- Department of Urological Surgery, Children's Hospital of Chongqing Medical University; National Clinical Research Center for Child Health and Disorders; Ministry of Education Key Laboratory of Child Development and Disorders; Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing 400014, China
| | - F Liu
- Department of Urological Surgery, Children's Hospital of Chongqing Medical University; National Clinical Research Center for Child Health and Disorders; Ministry of Education Key Laboratory of Child Development and Disorders; Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing 400014, China
| | - G Wei
- Department of Urological Surgery, Children's Hospital of Chongqing Medical University; National Clinical Research Center for Child Health and Disorders; Ministry of Education Key Laboratory of Child Development and Disorders; Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing 400014, China
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Subica AM, Guerrero EG, Hong P, Aitaoto N, Moss HB, Iwamoto DK, Wu LT. Alcohol Use Disorder Risk and Protective Factors and Associated Harms Among Pacific Islander Young Adults. J Racial Ethn Health Disparities 2022; 9:1818-1827. [PMID: 34378172 PMCID: PMC9048749 DOI: 10.1007/s40615-021-01118-0] [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: 06/11/2021] [Revised: 07/16/2021] [Accepted: 07/21/2021] [Indexed: 11/26/2022]
Abstract
Pacific Islander (PI) young adults (age 18 to 30 years) experience elevated rates of hazardous drinking, AUDs, and alcohol-related harms. Yet, we know little about the risk and protective factors that drive, or can prevent, PI young adult hazardous drinking behaviors and AUDs due to a lack of targeted alcohol disparities research. This large qualitative study presents data from 8 focus groups with 69 PIs (51 young adults, 18 informal providers) to explore the major risk factors, protective factors, and negative consequences associated with PI young adult hazardous drinking and AUDs. Findings revealed (1) major risk factors including the presence of significant life stressors that trigger alcohol self-medication, peer/social pressure to drink, permissive drinking norms, and frequent access to alcohol and (2) negative consequences involving physical fights, health and relationship problems, harm to personal reputation, and community harms including driving-under-the-influence and sexual violence. Protective factors against hazardous drinking and AUDs included the cultural norm of protecting the family's reputation by avoiding AUDs, church/religious faith, family responsibilities, and culturally relevant prosocial activities (e.g., sports, dance, choir). Obtaining this in-depth data revealed that an effective culturally grounded AUD prevention intervention for PI young adults-which does not currently exist-should (1) target these identified major risk factors for AUDs, while (2) integrating culturally responsive strategies that incorporate their reported protective factors.
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Affiliation(s)
- Andrew M Subica
- Department of Social Medicine, Population, and Public Health, School of Medicine, University of California, Riverside, 900 University Ave, Riverside, CA, 92521, USA.
| | - Erick G Guerrero
- Research to End Healthcare Disparities Corp, I-Lead Institute, Santa Monica, USA
| | - Phong Hong
- School of Public Policy, University of Michigan, Ann Arbor, USA
| | - Nia Aitaoto
- College of Health, University of Utah, Salt Lake City, USA
| | - Howard B Moss
- Department of Social Medicine, Population, and Public Health, School of Medicine, University of California, Riverside, 900 University Ave, Riverside, CA, 92521, USA
| | - Derek K Iwamoto
- Department of Psychology, University of Maryland, College Park, MD, USA
| | - Li-Tzy Wu
- School of Medicine, Duke University, Durham, NC, USA
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Guo L, Caiyu J, Yang Y, Hong P, Weimin L. CLINICAL RESEARCH ON PROGNOSTIC EVALUATION OF PATIENTS WITH INTERSTITIAL PULMONARY FIBROSIS BY PERIPHERAL BLOOD BIOMARKERS, QUANTITATIVE IMAGING CHARACTERISTICS, AND PULMONARY FUNCTION PARAMETERS. Chest 2019. [DOI: 10.1016/j.chest.2019.02.128] [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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4
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Melong J, Meier J, Hong P. Shared decision making during surgical consultations: An observational study in pediatric otolaryngology. Eur Ann Otorhinolaryngol Head Neck Dis 2018; 136:S15-S19. [PMID: 30322709 DOI: 10.1016/j.anorl.2018.09.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 07/02/2018] [Accepted: 09/11/2018] [Indexed: 11/29/2022]
Abstract
AIMS Shared decision-making (SDM) is a collaborative process in which patients and family members make healthcare decisions together with their clinician. The objective of this study was to explore how pediatric otolaryngologists involve parents in SDM and which factors influence this process. MATERIAL AND METHODS Ninety-six children being assessed by pediatric otolaryngologists at a tertiary healthcare center for elective surgical procedures (adeno/tonsillectomy or tympanostomy tube insertion) were prospectively enrolled into the study. Surgical consultations were video-recorded and coded using the OPTION instrument to determine level of SDM. To provide a subjective measure of SDM, parents completed the Shared Decision-Making Questionnaire (SDM-Q-9) and surgeons completed the physician version of the questionnaire (SDM-Q-Doc). RESULTS Total mean child and parents OPTION scores were 3.16 (SD: 5.43, range: 0-21) and 11.38 (SD: 6.41, range: 1-27) out of 48 respectively. Clinicians were more likely to involve female children in SDM as well as children who had a previous history of surgery. There were no other significant correlations between total OPTION scores and patient/family demographics. A positive correlation was found between length of consultation and total OPTION scores for parents, but not for children. SDM-Q-9 and SDM-Q-Doc scores were not correlated with total OPTION scores. CONCLUSION Decision making during pediatric otolaryngology consultations mostly focused on treatment related decisions and sharing information as opposed to facilitating collaborative decision-making. Parent and physician perceptions of SDM were not correlated with actual observed behavior. Additional research is required to provide insight in how to increase surgeons' assistance towards SDM.
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Affiliation(s)
- J Melong
- Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, Dalhousie University, Halifax, Nova Scotia, Canada
| | - J Meier
- Division of Otolaryngology-Head and Neck Surgery, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - P Hong
- Division of Otolaryngology-Head and Neck Surgery, University of Utah School of Medicine, Salt Lake City, Utah, USA; IWK Health Centre, Halifax, Nova Scotia, Canada.
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Ayad T, Stephenson K, A L Smit D, Ben-Ari O, Késmárszky R, Lechien JR, Sobol S, Meller C, Sargi Z, Maunsell R, De Siati RD, Jia H, Krishnan V, North H, Eter EG, Metwaly O, Peer S, Teissier N, Sowerby L, Hong P, Fakhry N. Young Otolaryngologists of International Federation of Oto-rhino-laryngological Societies (YO-IFOS) committees. Eur Ann Otorhinolaryngol Head Neck Dis 2018; 135:S61-S65. [PMID: 30174261 DOI: 10.1016/j.anorl.2018.08.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 08/07/2018] [Accepted: 08/08/2018] [Indexed: 11/30/2022]
Affiliation(s)
- T Ayad
- Centre Hospitalier de l'Université de Montréal, Montreal, Canada.
| | - K Stephenson
- Birmingham Children's Hospital, Birmingham, United Kingdom
| | - D A L Smit
- University Medical Centre Utrecht, Utrecht, The Netherlands
| | - O Ben-Ari
- Tel Aviv Sourasky Medical Center, affiliated to Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | | | - J R Lechien
- Centre Hospitalier Universitaire de Bruxelles, Site Saint-Pierre, Bruxelles, Belgium
| | - S Sobol
- University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
| | - C Meller
- Prince of Wales and Sydney Hospitals, Sydney, Australia
| | - Z Sargi
- Sylvester Comprehensive Cancer Center, University of Miami, Miami, Fl, USA
| | - R Maunsell
- Setor de Otorrinolaringologia Pediátrica, FCM-UNICAMP, Campinas, Brazil
| | - R D De Siati
- Université Catholique de Louvain, Cliniques Universitaires Saint Luc, Brussels, Belgium
| | - H Jia
- Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - V Krishnan
- Madras ENT Research Foundation, Raja Annamalaipuram, Chennai, India
| | - H North
- Westmead Hospital, Sydney, Australia
| | - E G Eter
- Saint joseph University, School of Medecine, Beirut, Lebanon
| | - O Metwaly
- Kasr Alainy School of Medicine, Cairo University, Cairo, Egypt
| | - S Peer
- Red Cross War Memorial Children's Hospital, Cape Town, South Africa
| | | | - L Sowerby
- St. Joseph's Healthcare, Western University, London, Canada
| | - P Hong
- IWK Health Centre, Division of Otolaryngology-Head and Neck Surgery, Dalhousie University, Halifax, Nova Scotia
| | - N Fakhry
- Hôpital de la Conception, Marseille, France
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Mariani F, Löeffler W, Aas M, Ojambati OS, Hong P, Vos WL, van Exter MP. Scattering media characterization with phase-only wavefront modulation. Opt Express 2018; 26:2369-2379. [PMID: 29401777 DOI: 10.1364/oe.26.002369] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 12/26/2017] [Indexed: 06/07/2023]
Abstract
A new experimental approach is demonstrated to probe the scattering properties of complex media. Using phase-only modulation of the light illuminating a random scattering sample, we induce and record fluctuations in the reflected speckle patterns. Using predictions from diffusion theory, we obtain the scattering and absorption coefficients of the sample from the average change in the speckle amplitude. Our approach, which is based on interference, is in principle able to give better signal to noise ratio as compared to an intensity modulation approach. We compare our results with those obtained from a knife-edge illumination method and enhanced back-scattering cone. Our work can find application in the non-invasive study of biological specimens as well as the study of light propagation in random scattering devices like solar cells or LEDs.
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Lan HN, Hong P, Li RN, Shan AS, Zheng X. Growth hormone-specific induction of the nuclear localization of porcine growth hormone receptor in porcine hepatocytes. Domest Anim Endocrinol 2017; 61:39-47. [PMID: 28667940 DOI: 10.1016/j.domaniend.2017.05.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 05/22/2017] [Accepted: 05/31/2017] [Indexed: 12/01/2022]
Abstract
The phenomenon of nuclear translocation of growth hormone receptor (GHR) in human, rat, and fish has been reported. To date, this phenomenon has not been described in a domestic animal (such as pig). In addition, the molecular mechanisms of GHR nuclear translocation have not been thoroughly elucidated. To this end, porcine hepatocytes were isolated and used as a cell model. We observed that porcine growth hormone (pGH) can induce porcine GHR's nuclear localization in porcine hepatocytes. Subsequently, the dynamics of pGH-induced pGHR's nuclear localization were analyzed and demonstrated that pGHR's nuclear localization occurs in a time-dependent manner. Next, we explored the mechanism of pGHR nuclear localization using different pGHR ligands, and we demonstrated that pGHR's nuclear translocation is GH(s)-dependent. We also observed that pGHR translocates into cell nuclei in a pGH dimerization-dependent fashion, whereas further experiments indicated that IMPα/β is involved in the nuclear translocation of the pGH-pGHR dimer. The pGH-pGHR dimer may form a pGH-GHR-JAK2 multiple complex in cell nuclei, which would suggest that similar to its function in the cell membrane, the nuclear-localized pGH-pGHR dimer might still have the ability to signal.
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Affiliation(s)
- H N Lan
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, P. R. China.
| | - P Hong
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, P. R. China
| | - R N Li
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, P. R. China
| | - A S Shan
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, P. R. China
| | - X Zheng
- College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, P. R. China.
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8
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Lu L, Liu M, Hu S, Liu Y, Yang D, Hong P. Eptinezumab. Anti-CGRP monoclonal antibody, Treatment of migraine. DRUG FUTURE 2017. [DOI: 10.1358/dof.2017.042.10.2701433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Mandadi S, Leduc-Pessah H, Hong P, Ejdrygiewicz J, Sharples SA, Trang T, Whelan PJ. Modulatory and plastic effects of kinins on spinal cord networks. J Physiol 2016; 594:1017-36. [PMID: 26634895 DOI: 10.1113/jp271152] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Accepted: 11/24/2015] [Indexed: 12/22/2022] Open
Abstract
KEY POINTS Inflammatory kinins are released following spinal cord injury or neurotrauma. The effects of these kinins on ongoing locomotor activity of central pattern generator networks are unknown. In the present study, kinins were shown to have short- and long-term effects on motor networks. The short-term effects included direct depolarization of interneurons and motoneurons in the ventral horn accompanied by modulation of transient receptor potential vanilloid 1-sensitive nociceptors in the dorsal horn. Over the long-term, we observed a bradykinin-mediated effect on promoting plasticity in the spinal cord. In a model of spinal cord injury, we observed an increase in microglia numbers in both the dorsal and ventral horn and, in a microglia cell culture model, we observed bradykinin-induced expression of glial-derived neurotrophic factor. ABSTRACT The expression and function of inflammatory mediators in the developing spinal cord remain poorly characterized. We discovered novel, short and long-term roles for the inflammatory nonapeptide bradykinin (BK) and its receptor bradykinin receptor B2 (B2R) in the neuromodulation of developing sensorimotor networks following a spinal cord injury (SCI), suggesting that BK participates in an excitotoxic cascade. Functional expression of B2R was confirmed by a transient disruptive action of BK on fictive locomotion generated by a combination of NMDA, 5-HT and dopamine. The role of BK in the dorsal horn nociceptive afferents was tested using spinal cord attached to one-hind-limb (HL) preparations. In the HL preparations, BK at a subthreshold concentration induced transient disruption of fictive locomotion only in the presence of: (1) noxious heat applied to the hind paw and (2) the heat sensing ion channel transient receptor potential vanilloid 1 (TRPV1), known to be restricted to nociceptors in the superficial dorsal horn. BK directly depolarized motoneurons and ascending interneurons in the ventrolateral funiculus. We found a key mechanism for BK in promoting long-term plasticity within the spinal cord. Using a model of neonatal SCI and a microglial cell culture model, we examined the role of BK in inducing activation of microglia and expression of glial-derived neurotrophic factor (GDNF). In the neonatal SCI model, we observed an increase in microglia numbers and increased GDNF expression restricted to microglia. In the microglia cell culture model, we observed a BK-induced increased expression of GDNF via B2R, suggesting a novel mechanism for BK spinal-mediated plasticity.
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Affiliation(s)
- S Mandadi
- Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada.,Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada
| | - H Leduc-Pessah
- Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada.,Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada.,Department of Comparative Biology and Experimental Medicine, University of Calgary, Calgary, Alberta, Canada
| | - P Hong
- Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada
| | - J Ejdrygiewicz
- Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada.,Department of Comparative Biology and Experimental Medicine, University of Calgary, Calgary, Alberta, Canada
| | - S A Sharples
- Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada.,Department of Comparative Biology and Experimental Medicine, University of Calgary, Calgary, Alberta, Canada
| | - T Trang
- Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada.,Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada.,Department of Comparative Biology and Experimental Medicine, University of Calgary, Calgary, Alberta, Canada
| | - P J Whelan
- Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada.,Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada.,Department of Comparative Biology and Experimental Medicine, University of Calgary, Calgary, Alberta, Canada
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10
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Anderson K, Ritchie K, Chorney JM, Bezuhly M, Hong P. The impact of septoplasty on health-related quality of life in paediatric patients. Clin Otolaryngol 2016; 41:144-8. [PMID: 26096043 DOI: 10.1111/coa.12485] [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] [Accepted: 06/15/2015] [Indexed: 11/28/2022]
Abstract
OBJECTIVES To assess the impact that septoplasty had on health-related quality of life (HRQoL) in paediatric patients and to determine whether there were patient characteristics that predicted better outcomes. DESIGN Retrospective cohort study. SETTING Academic paediatric otolaryngology practice. PARTICIPANTS All paediatric patients who underwent septoplasty during the study period. MAIN OUTCOME MEASURES The current HRQoL was assessed using the Paediatric Quality of Life Inventory (PedsQL). The Glasgow Children's Benefit Inventory (GCBI) was used to evaluate the perceived change in HRQoL following septoplasty. RESULTS A total of 29 patients (16 boys, mean age 13 years) and their caregivers responded (response rate of 72.5%). There was a statistically significant improvement in HRQoL following septoplasty, as demonstrated by the positive mean GCBI subscores and the total GCBI score (35.1, sd = 28.4). The total mean PedsQL score for child self-report was 95.2 (sd = 6.9) and for parent-proxy report was 91.8 (sd = 8.6), which indicated good current HRQoL. The enhancement in HRQoL post-septoplasty was moderately correlated with self-reported degree of nasal obstruction pre-septoplasty (r = 0.621 for total GCBI). Also, there were differences in GCBI scores between the groups of children who wanted to have the surgery versus those who did not want to have the surgery. CONCLUSIONS There was a significant positive change in HRQoL following paediatric septoplasty in our study population. Children who reported more severe nasal obstruction and those who wanted to have the surgery were more likely to experience enhancement of HRQoL following their surgery.
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Affiliation(s)
- K Anderson
- Department of Surgery, Dalhousie University, Halifax, NS, Canada
| | - K Ritchie
- IWK Health Centre, Halifax, NS, Canada
| | - J M Chorney
- Department of Surgery, Dalhousie University, Halifax, NS, Canada.,IWK Health Centre, Halifax, NS, Canada
| | - M Bezuhly
- Department of Surgery, Dalhousie University, Halifax, NS, Canada.,IWK Health Centre, Halifax, NS, Canada
| | - P Hong
- Department of Surgery, Dalhousie University, Halifax, NS, Canada.,IWK Health Centre, Halifax, NS, Canada.,School of Human Communication Disorders, Dalhousie University, Halifax, NS, Canada
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11
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Le A, Moran CMP, Bezuhly M, Hong P. Duplicate publications and related problems in published papers on oral and maxillofacial surgery. Br J Oral Maxillofac Surg 2015; 53:546-9. [PMID: 25866252 DOI: 10.1016/j.bjoms.2015.03.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [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: 02/17/2015] [Accepted: 03/17/2015] [Indexed: 10/23/2022]
Abstract
As duplicate publication is unethical, our aim was to find out how common it is among published papers on oral and maxillofacial surgery. We used PubMed to identify index articles published in 2010 in the Journal of Oral and Maxillofacial Surgery, the British Journal of Oral and Maxillofacial Surgery, and the European Journal of Cranio-Maxillo-Facial Surgery, and searched for possible duplicate publications from 2008 to 2012 using the first or second and last authors' names. Suspected duplicates were categorised into "non-duplicate" (no overlap), "duplicate" (identical results and conclusions), or "salami-sliced" publications (part of the index article repeated or continued). Of the 589 index articles, 17 (3%) had some form of duplication, but specifically, we found 3 duplicate, and 15 salami-sliced publications. Most redundant articles originated from China (n=4), followed by Italy, Japan, and Germany (3 from each) and the United States and Denmark (2 each). Of the 18 redundant publications, 9 did not reference the related index article. Duplicate material is still being published, and salami-slicing is relatively common among publications on oral and maxillofacial surgery. Further research is required into the extent and impact of this finding.
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Affiliation(s)
- A Le
- Faculty of Medicine, Memorial University, St. Johns, Newfoundland and Labrador, Canada
| | - C M P Moran
- The London School of Economics and Political Science, London, England, United Kingdom
| | - M Bezuhly
- IWK Health Centre, Halifax, NS, Canada; Dalhousie Pediatric Craniofacial Group, Dalhousie University, Halifax, NS, Canada
| | - P Hong
- IWK Health Centre, Halifax, NS, Canada; Dalhousie Pediatric Craniofacial Group, Dalhousie University, Halifax, NS, Canada.
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12
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Tian Y, He Z, Xu C, Huang C, Lee JH, Li R, Zhou J, Zhao J, Wang M, Hong P, Mc Naughton LR. Energy expenditure and fitness response following once weekly hill climbing at low altitude. Int J Sports Med 2015; 36:357-64. [PMID: 25607522 DOI: 10.1055/s-0034-1395520] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
This work sought to determine the fitness responses and energy expenditure (EE) following once-weekly hill climbing for 16 weeks on different slopes. A cohort of 98 healthy, sedentary subjects (49 female, 49 male) completed the program at their preferred climbing pace. Body composition, resting metabolic rate (RMR) and VO2max were measured. EE was measured on 4 slopes (11.6°, 19.9°, 14.9°, and 28.6°) at the subjects' preferred speed. In males, weight, body mass index, fat mass significantly decreased (P<0.05), and RMR showed an increasing trend, but the difference was not significant (P=0.051). In females, the muscle mass increased significantly, and fat (%) and fat mass significantly decreased (P<0.05). Absolute and relative of VO2max, ventilation (VE) improved significantly in both sexes (P<0.01). Energy expenditure was similar on different slopes, but shows gender-specific values of approximately 50.4 and 33.6 kJ/min for males and females, respectively. The regression equation of EE (kJ/min)=[1.724×(female=1, and male=2)+(-0.072×age)+0.106×weight+0.024×HR+0.136×slope+1.487×velocity]×4.2. In conclusion, hill climbing at a subjects' preferred velocity is a vigorous-intensity physical activity for energy cost and, performed once weekly, enhances cardiorespiratory fitness and reduces fat mass, therefore making it a viable exercise for most people.
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Affiliation(s)
- Y Tian
- Biology Center, China Institute of Sport Science, Beijing, China
| | - Z He
- Biology Center, China Institute of Sport Science, Beijing, China
| | - C Xu
- Department of Sport Biochemistry, Beijing Sports University, Beijing, China
| | - C Huang
- Department of Sport Biochemistry, Shandong Sports University, Jinan, China
| | - J-H Lee
- College of Physical Education, Kyung Hee University, Seoul, Republic of Korea
| | - R Li
- Biology Center, China Institute of Sport Science, Beijing, China
| | - J Zhou
- Department of Research, The Chinese Mountaineering Association, Beijing, China
| | - J Zhao
- Sport Biological Center, China Institute of Sport Science, Beijing, China
| | - M Wang
- Biology Center, China Institute of Sport Science, Beijing, China
| | - P Hong
- Biology Center, China Institute of Sport Science, Beijing, China
| | - L R Mc Naughton
- Department of Sport and Physical Activity, Edge Hill University, Lancashire, United Kingdom
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13
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Taylor B, Brace M, Hong P. Upper airway outcomes following midface distraction osteogenesis: A systematic review. J Plast Reconstr Aesthet Surg 2014; 67:891-9. [DOI: 10.1016/j.bjps.2014.02.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2013] [Revised: 09/20/2013] [Accepted: 02/05/2014] [Indexed: 10/25/2022]
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14
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Bishop A, Hong P, Bezuhly M. Autologous fat grafting for the treatment of velopharyngeal insufficiency: State of the art. J Plast Reconstr Aesthet Surg 2014; 67:1-8. [DOI: 10.1016/j.bjps.2013.09.021] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2013] [Revised: 07/03/2013] [Accepted: 09/03/2013] [Indexed: 10/26/2022]
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15
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Macdonald KI, Gipsman A, Magit A, Fandino M, Massoud E, Witterick IJ, Hong P. Endoscopic sinus surgery in patients with cystic fibrosis: a systematic review and meta-analysis of pulmonary function. Rhinology 2013. [PMID: 23181249 DOI: 10.4193/rhino11.271] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
INTRODUCTION The role of endoscopic sinus surgery (ESS) in patients with cystic fibrosis (CF) is not clearly defined. OBJECTIVE TO perform a systematic review of subjective and objective outcomes of ESS in CF. METHODS A systematic review was performed using the keywords 'sinusitis,' 'sinus surgery,' 'nasal polyps' and 'cystic fibrosis.' The quality of papers was assessed using the NICE scoring scale. Outcomes included safety, subjective symptoms, objective endoscopy scores, days spent in hospital, courses of antibiotics, and pulmonary function tests (PFTs). RESULTS Nineteen studies involving 586 patients were included in the review. There were four prospective cohort trials, and three were rated as good quality. There were no major complications attributable to ESS. There was consistent evidence in four cohort studies of improved sinonasal symptoms, including nasal obstruction, facial pain, headaches, rhinorrhea and olfaction. Three studies reported conflicting results in post-operative endoscopy scores. Three studies showed a decrease in days spent in hospital, and two showed a significant decrease in courses of intravenous antibiotics. A recent study, however, did not show a difference in either days spent in hospital or courses of antibiotics. Pulmonary function tests were not improved by ESS in six cohort trials, and one small study found significant improvement. A meta-analysis of FEV1 scores confirmed no significant difference. CONCLUSION THE most consistent findings of this review were that ESS in patients with CF is safe, produces symptomatic benefit, and does not consistently improve PFTs. There were more conflicting results with regards to endoscopy scores, days spent in hospital, and courses of intravenous antibiotics. Future prospective studies, utilizing validated quality of life, symptom and endoscopy scales, are needed to further elucidate the role of ESS in the management of chronic rhinosinusitis in CF patients.
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Affiliation(s)
- K I Macdonald
- Department of Otolaryngology-Head and Neck Surgery, University of Toronto, Toronto, Ontario, Canada.
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16
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Costain N, Cavanagh J, Bance M, Morris D, Hong P. A musculoperiosteal flap cochlear implant device fixation technique: Our experience in one hundred and seventy nine patients. Clin Otolaryngol 2013; 38:86-9. [DOI: 10.1111/coa.12046] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/19/2012] [Indexed: 11/30/2022]
Affiliation(s)
- N. Costain
- IWK Health Centre; Division of Otolaryngology-Head and Neck Surgery; Department of Surgery; Dalhousie University; Halifax; NS; Canada
| | - J. Cavanagh
- IWK Health Centre; Division of Otolaryngology-Head and Neck Surgery; Department of Surgery; Dalhousie University; Halifax; NS; Canada
| | - M. Bance
- IWK Health Centre; Division of Otolaryngology-Head and Neck Surgery; Department of Surgery; Dalhousie University; Halifax; NS; Canada
| | - D.P. Morris
- IWK Health Centre; Division of Otolaryngology-Head and Neck Surgery; Department of Surgery; Dalhousie University; Halifax; NS; Canada
| | - P. Hong
- IWK Health Centre; Division of Otolaryngology-Head and Neck Surgery; Department of Surgery; Dalhousie University; Halifax; NS; Canada
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Macdonald K, Gipsman A, Magit A, Fandino M, Massoud E, Witterick I, Hong P. Endoscopic sinus surgery in patients with cystic fibrosis: a systematic review and meta-analysis of pulmonary function. Rhinology 2012. [DOI: 10.4193/rhin11.271] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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18
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Macdonald KI, Gipsman A, Magit A, Fandino M, Massoud E, Witterick IJ, Hong P. Endoscopic sinus surgery in patients with cystic fibrosis: a systematic review and meta-analysis of pulmonary function. Rhinology 2012; 50:360-9. [PMID: 23181249 DOI: 10.4193/rhino.11.271] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [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: 11/08/2022]
Abstract
INTRODUCTION The role of endoscopic sinus surgery (ESS) in patients with cystic fibrosis (CF) is not clearly defined. OBJECTIVE TO perform a systematic review of subjective and objective outcomes of ESS in CF. METHODS A systematic review was performed using the keywords 'sinusitis,' 'sinus surgery,' 'nasal polyps' and 'cystic fibrosis.' The quality of papers was assessed using the NICE scoring scale. Outcomes included safety, subjective symptoms, objective endoscopy scores, days spent in hospital, courses of antibiotics, and pulmonary function tests (PFTs). RESULTS Nineteen studies involving 586 patients were included in the review. There were four prospective cohort trials, and three were rated as good quality. There were no major complications attributable to ESS. There was consistent evidence in four cohort studies of improved sinonasal symptoms, including nasal obstruction, facial pain, headaches, rhinorrhea and olfaction. Three studies reported conflicting results in post-operative endoscopy scores. Three studies showed a decrease in days spent in hospital, and two showed a significant decrease in courses of intravenous antibiotics. A recent study, however, did not show a difference in either days spent in hospital or courses of antibiotics. Pulmonary function tests were not improved by ESS in six cohort trials, and one small study found significant improvement. A meta-analysis of FEV1 scores confirmed no significant difference. CONCLUSION THE most consistent findings of this review were that ESS in patients with CF is safe, produces symptomatic benefit, and does not consistently improve PFTs. There were more conflicting results with regards to endoscopy scores, days spent in hospital, and courses of intravenous antibiotics. Future prospective studies, utilizing validated quality of life, symptom and endoscopy scales, are needed to further elucidate the role of ESS in the management of chronic rhinosinusitis in CF patients.
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Affiliation(s)
- K I Macdonald
- Department of Otolaryngology-Head and Neck Surgery, University of Toronto, Toronto, Ontario, Canada.
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20
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Zhu C, Jiang ZY, Jiang SQ, Zhou GL, Lin YC, Chen F, Hong P. Maternal energy and protein affect subsequent growth performance, carcass yield, and meat color in Chinese Yellow broilers. Poult Sci 2012; 91:1869-78. [PMID: 22802180 DOI: 10.3382/ps.2011-02059] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
This experiment was carried out to investigate effects of maternal ME and CP levels on growth performance, carcass traits, and meat quality of broiler offspring. A total of 1,134 thirty-week-old Chinese Yellow broiler breeders was randomly assigned to 3 dietary ME levels (11.09, 11.51, and 11.92 MJ/kg) and 3 CP levels (15.5, 16.5, and 17.5%) in a 3×3 factorial arrangement. Each dietary treatment had 6 replicates with 21 hens per replicate. At 39 wk of age, 30 settable eggs per replicate were selected for hatching. All broiler offspring were fed the same diets. There were significant ME×CP interactions in egg CP and ether extract (EE) contents, BW at d 1, 22 to 42 d ADG, ADFI during 1 to 21 d and 43 to 63 d, shear force, plasma albumin, cholesterol, and triglycerides contents of broiler offspring. Dietary ME at 11.92 MJ/kg increased average egg weight, egg EE content, and broiler 1-d-old BW compared with 11.09 MJ/kg group at 16.5%, 15.5%, and 17.5% CP levels, respectively (P<0.05). Maternal 11.51 and 11.92 MJ/kg of ME increased 1 to 21-d ADFI, and 11.51 MJ/kg of ME decreased lightness (L*) value of broiler offspring compared with 11.09 MJ/kg group at 17.5 and 16.5% CP levels, respectively (P<0.05). Broiler breeder dietary CP at 17.5% decreased egg EE content, increased average egg weight, egg CP content, BW at d 1, and 1 to 21-d ADFI of broiler offspring compared with 15.5% CP group at 11.92 MJ/kg of ME level (P<0.05). Maternal dietary 15.5% CP increased dressing percentage and decreased yellowness (b*) value of broiler offspring compared with 16.5% and 17.5% CP groups at 11.51 MJ/kg of ME level, respectively (P<0.05). Collectively, the results indicate that maternal diets composed of 11.51 to 11.92 MJ/kg of ME and 17.5% CP at 39 wk of age increased growth performance during 1 to 21 d in Chinese Yellow broiler, whereas 11.51 MJ/kg of ME and 15.5% CP improved carcass dressing percentage and meat color of their offspring.
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Affiliation(s)
- C Zhu
- College of Animal Science, South China Agricultural University, Guangzhou 510642, China
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Yap G, Chee K, Hong P, Aw M, Shek L, Chua K, Zhang X, Leow D, Lee B. Bifidobacterium in Gut Microbiota for Infants with and without Eczema. J Allergy Clin Immunol 2012. [DOI: 10.1016/j.jaci.2011.12.809] [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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Affiliation(s)
- J Nachiappan
- Department of Immunology and Infectious Disease, The Children's Hospital, Westmead, New South Wales 2145, Australia.
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Chen T, Juang S, Li Y, Huang C, Hsu P, Chen S, Chang J, Hong P, Hseih W, Chang C. 235 Rapid activation of caspases involving microtubule stabilization and p53 upregulation by D501036, a novel selenophene derivative active against human renal cancer cells. EJC Suppl 2004. [DOI: 10.1016/s1359-6349(04)80243-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: 10/26/2022] Open
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Pope JE, Bellamy N, Seibold JR, Baron M, Ellman M, Carette S, Smith CD, Chalmers IM, Hong P, O'Hanlon D, Kaminska E, Markland J, Sibley J, Catoggio L, Furst DE. A randomized, controlled trial of methotrexate versus placebo in early diffuse scleroderma. Arthritis Rheum 2001; 44:1351-8. [PMID: 11407694 DOI: 10.1002/1529-0131(200106)44:6<1351::aid-art227>3.0.co;2-i] [Citation(s) in RCA: 233] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
OBJECTIVE Early diffuse scleroderma (systemic sclerosis; SSc) has no proven treatment. This study was undertaken to examine the efficacy of methotrexate (MTX) in improving the skin and other disease parameters in early diffuse SSc. METHODS Seventy-one patients with diffuse SSc of <3 years' duration were enrolled in a multicenter, randomized, placebo-controlled, double-blind trial. Thirty-five patients were treated with MTX and 36 with placebo. Treatment was administered for 12 months. The primary outcome measures were skin score (as determined with 2 different indices) and physician global assessment. RESULTS At baseline, there were no statistically significant differences in skin scores, carbon monoxide diffusing capacity (DLco), physician global assessment, or other secondary outcome measurements between the 2 treatment groups. At study completion, results slightly favored the MTX group (mean +/- SEM modified Rodnan skin score 21.4+/-2.8 in the MTX group versus 26.3+/-2.1 in the placebo group [P < 0.17]; UCLA skin score 8.8+/-1.2 in the MTX group versus 11.0+/-0.9 in the placebo group [P < 0.15]; DLco in the MTX group 75.7+/-4.6 versus 61.8+/-3.4 in the placebo group [P < 0.2]). In addition, physician global assessment results favored MTX (P < 0.035), whereas patient global assessment did not differ significantly between groups. When between-group differences for changes in scores from baseline to 12 months were examined using intent-to-treat methodology, MTX appeared to have a favorable effect on skin scores (modified Rodnan score -4.3 in the MTX group versus 1.8 in the placebo group [P < 0.009]; UCLA score -1.2 in the MTX group versus 1.2 in the placebo group [P < 0.02]), but differences in the degree of change in the DLco and physician global assessment were not significant. For the UCLA skin score, these differences in results were not statistically significant after adjustment for baseline differences in sex distribution and steroid use. Dropout rates were similar in the 2 groups. CONCLUSION Although results of this trial demonstrated a trend in favor of MTX versus placebo in the treatment of early diffuse SSc, the between-group differences were small and the power to rule out false-negative results was only 50%. Our findings do not provide evidence that MTX is significantly effective in the treatment of early diffuse SSc.
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Affiliation(s)
- J E Pope
- University of Western Ontario, London, Canada
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25
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Hong P. [Agricultural adaptablity to the ecological environment in Jiangnan since the Ming dynasty: the case of Wujiang County]. Zhonguo Nongshi 2001; 20:23-32. [PMID: 19670513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
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Abstract
Progesterone (P) and zona pellucida are known to induce acrosome reaction in human sperm by increasing cytosolic calcium. High concentrations of potassium ions (K+) improve the rate of acrosome reaction in human sperm in vitro. This article determined whether the effect of K+ on the acrosome in human sperm is mediated by increasing intracellular calcium ([Ca2+]i). The effect of K+ on [Ca2+]i was examined by using Fura 2 as the fluorescent indicator. The effect of K+ and P on [Ca2+]i in sperm and the involvement of ion channels was compared. Motile sperm were collected by the swim-up method from semen of healthy volunteers and capacitated overnight in BWW containing 0.5% BSA. Incubation of capacitated sperm with different concentrations of potassium chloride (1.25-20 mM) resulted in dose-dependent increase in [Ca2+]i similar to that observed with P. The increase in [Ca2+]i by K+ and P was blocked by the addition of EGTA, a Ca2+ chelator. K+-induced change in [Ca2+] was not altered by the addition of dihydropyridine derivatives. The combined treatment of K+ (20 mM) and P (0.75 microg/mL) caused an additive effect on the increase in [Ca2+]i. It would appear that human sperm plasma membrane possess different Ca2+ channels responsive to P and K+.
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Affiliation(s)
- S Kumar
- Department of Ob/Gyn, Nassau County Medical Center, East Meadow, New York 11554, USA.
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27
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Zhang XX, Hong P, Bass M, Chai BH. Blue upconversion with excitation into Tm ions at 780 nm in Yb- and Tm-codoped fluoride crystals. Phys Rev B Condens Matter 1995; 51:9298-9301. [PMID: 9977572 DOI: 10.1103/physrevb.51.9298] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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28
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Xi-Ru W, Zhao-Hui W, Wai-Song S, Wei-Lan L, Bao-Qiang Y, Hong P, John-Bao Z. Molecular neurobiological approach to the pathogenesis of epilepsy: a preliminary study. Brain Dev 1995; 17 Suppl:73-6. [PMID: 8882576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
We studied the effects and the interactions of some candidate genes related to the pathogenesis of epilepsy using a domestic audiogenic epilepsy-prone rat, matched with the epilepsy-resistant Wistar rat, and primary fetal cerebral cortical neuronal cell cultures of both. The preliminary results showed that there was a possible abnormality of the CCK gene at the post-translational stage in the early postnatal period in P77PMC rat brain; the later rapidly increased rate of CCK-8 synthesis in the hippocampus and subcortical region may represent a compensatory response to the neuronal pathways involved in audiogenic seizures. CCK-8 can decrease the NMDA (1 microM)-induced free intracellular Ca2+ concentration, so it seems to be an inhibitory neuromodulator. In neuronal cell cultures, the NMDA (0.1 microM)-induced c-fos mRNA expression on culture day 18 in vitro was higher in P77PMC than Wistar rats (P < 0.05). Interleukin-1 (20 nM) can induce endogenous opioid mRNA expression and peptide release in neuronal cell cultures, which can be abolished by the addition of antisense oligos of c-fos/c-jun to cell cultures treated with interleukin-1. Both interleukin-1 and opioids can increase the free intracellular Ca2+ concentration, and their specific antagonists can reverse their effects, so they both seem to be excitatory neuromodulators in the CNS.
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Affiliation(s)
- W Xi-Ru
- Department of Pediatrics, Beijing Medical University, China
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Anderson FG, Summers PL, Weidner H, Hong P, Peale RE. Interpretive crystal-field parameters: Application to Nd3+ in GdVO4 and YVO4. Phys Rev B Condens Matter 1994; 50:14802-14808. [PMID: 9975822 DOI: 10.1103/physrevb.50.14802] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Gnegy ME, Hong P, Ferrell ST. Phosphorylation of neuromodulin in rat striatum after acute and repeated, intermittent amphetamine. Brain Res Mol Brain Res 1993; 20:289-98. [PMID: 8114616 DOI: 10.1016/0169-328x(93)90055-t] [Citation(s) in RCA: 25] [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] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Repeated, intermittent treatment of rats with amphetamine results in a sensitization of locomotor and stereotyped behaviors that is accompanied by an enhancement in stimulus-induced dopamine release. Increased phosphorylation of the neural specific calmodulin-binding protein, neuromodulin (GAP-43, B-50, F1) has been demonstrated in other forms of synaptic plasticity and plays a role in neurotransmitter release. To determine whether neuromodulin phosphorylation was altered during amphetamine sensitization, the in vivo phosphorylated state of neuromodulin was examined in rat striatum in a post hoc phosphorylation assay. Female, Holtzman rats received saline or 2.5 mg/kg amphetamine twice weekly for 5 weeks. One week after the last dose of amphetamine, rats were challenged with either 1 mg/kg or 2.5 mg/kg amphetamine or saline and the rats were sacrificed 30 min later. Purified synaptic plasma membranes were prepared in the presence of EGTA and okadaic acid to inhibit dephosphorylation, and were subsequently phosphorylated in the presence of purified protein kinase C and [gamma-32P]ATP. The protein kinase C-mediated post hoc phosphorylation of neuromodulin was significantly reduced in groups that received either acute or repeated amphetamine suggesting that neuromodulin in those groups contained more endogenous phosphate. The acute, challenge dose of amphetamine increased neuromodulin phosphorylation in the saline-treated controls but not in the repeated amphetamine-pretreated group. Anti-neuromodulin immunoblots showed no change in neuromodulin levels in any group. There was no significant change in protein kinase C activity in any treatment group. To further investigate the effect of acute amphetamine, the ability of amphetamine to alter neuromodulin phosphorylation in 32Pi-preincubated Percoll-purified rat striatal synaptosomes was examined. Amphetamine (10 microM) significantly increased phosphorylation of a 53 kDa band that migrated with authentic neuromodulin in the synaptosomes by 22% while 500 nM 12-O-tetradecanoylphorbol 13-acetate (TPA) increased neuromodulin phosphorylation by 45%. These data suggest that one injection of amphetamine can increase neuromodulin phosphorylation in rat striatum and that this increase is maintained for at least 1 week following a repeated, sensitizing regimen of amphetamine. Since sensitization can be induced with one dose of amphetamine, it is possible that enhanced neuromodulin phosphorylation could contribute to neurochemical events leading to enhanced release of dopamine and/or behavioral sensitization.
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Affiliation(s)
- M E Gnegy
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor 48109-0626
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Hong P, Olson GB, Roytburd AL. Nucleation mechanisms for strain transformations. Acta Crystallogr A 1993. [DOI: 10.1107/s010876737808770x] [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: 11/10/2022] Open
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Rosenblat H, Hong P. Coin rolling misdiagnosed as child abuse. CMAJ 1989; 140:417. [PMID: 2914263 PMCID: PMC1268665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Affiliation(s)
- H Rosenblat
- Clarke Institute of Psychiatry, Toronto, Ont
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Abstract
In the world's literature, only 16 patients with parovarian malignancies have been described, five of which have been of low-malignant potential. All but one of these low-malignant potential lesions have been serous tumors. This is the second low-malignant potential parovarian tumor to be described with mucinous and serous components as well as hobnail cells. These tumors occur almost exclusively in young women, yet they are so rare that no treatment plan has been developed. We propose that until more data becomes available, these low-malignant potential lesions be treated as are their ovarian counterparts with staging laparotomy and surgery which conserves reproductive functioning being appropriate for women who meet the rigid clinical and histologic criteria for a very early potentially nonaggressive tumor, and complete extirpative surgery for those who do not.
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Affiliation(s)
- V L Seltzer
- Department of Obstetrics and Gynecology, Queens Hospital Center, Jamaica, New York 11432
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Macasaet MA, Waxman M, Fruchter RG, Boyce J, Hong P, Nicastri AD, Remy JC. Prognostic factors in malignant mesodermal (mullerian) mixed tumors of the uterus. Gynecol Oncol 1985; 20:32-42. [PMID: 2981189 DOI: 10.1016/0090-8258(85)90122-2] [Citation(s) in RCA: 50] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Clinicopathologic studies of 16 homologous and 19 heterologous malignant mesodermal (Mullerian) mixed tumors of the corpora uteri showed that homologous tumors were more common in black women than in white women; in the former, tumors were diagnosed at a younger age and in more advanced stages than in the latter. Fifty-five percent of women with clinical stage I disease had a higher surgicopathologic stage. The most significant prognostic factors were pathologic extent of disease and vascular invasion in the myometrium. There was no difference in outcome between homologous and heterologous tumors. Initial surgery for staging is essential for the adequate evaluation and treatment of these patients.
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Hong P, Sonogashira K, Hagihara N. Reaction of diphenylketene with octacarbonyl dicobalt under high pressure of carbon monoxide — deoxygenation of diphenylketene. Tetrahedron Lett 1971. [DOI: 10.1016/s0040-4039(01)96638-9] [Citation(s) in RCA: 5] [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: 10/18/2022]
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