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Prepulse inhibition (PPI) of tactile startle response in recombinant congenic strains of mice:QTL mapping and comparison with acoustic PPI

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Journal of Genetics and Genomics 2008年第3期35卷 139-151页

作者： Adam Torkamanzehi Patricia Boksa Ridha Joober University of Sistan and Baluchestan douglas hospital research centre

Prepulse inhibition （PPI） of the startle response is a psychophysiological measure of sensorimotor gating believed to be cross-modal between different sensory systems. We analyzed the tactile startle response （TSR） and PPI of TSR （tPPI）, using light as a prepulse stimulus, in the mouse strains A/J and C57BL/6J and 36 recombinant congenic strains derived from them. Parental strains were significantly different for TSR, but were comparable for tPPI. Among the congenic strains, variation for TSR was significant in both genetic backgrounds, but that of tPPI was significant only for the C57BL/6J background. Provisional mapping for loci modulating TSR and tPPI was carried out. Using mapping data from our previous study on acoustic startle responses （ASR） and PPI of ASR （aPPI）, no common markers for aPPI and tPPI were identified. However, some markers were significantly associated with both ASR and TSR, at least in one genetic background. These results indicate cross-modal genetic regulation for the startle response but not for PPI, in these mouse strains.

关键词： tactile startle response prepulse inhibition (PPI) acoustic startle response recombinant congenic strains of mice QTL mapping microsatellite markers

Circulating microRNA expression and nonalcoholic fatty liver disease in adolescents with severe obesity

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World Journal of Gastroenterology 2024年第4期30卷 332-345页

作者： Yi-Jie Li Brittney O Baumert Nikos Stratakis Jesse A Goodrich Hao-Tian Wu Jing-Xuan He Yin-Qi Zhao Max T Aung Hong-Xu Wang Sandrah P Eckel douglas I Walker Damaskini Valvi Michele A La Merrill Justin R Ryder Thomas H Inge Todd Jenkins Stephanie Sisley Rohit Kohli Stavra A Xanthakos Andrea A Baccarelli Rob McConnell David V Conti Lida Chatzi Department of Population and Public Health Sciences Keck School of MedicineUniversity of Southern CaliforniaLos AngelesCA 90032United States Barcelona Institute of Global Health Barcelona Institute of Global HealthBarcelona 08036Spain Department of Environmental Health Sciences Mailman School of Public HealthColumbia UniversityNew YorkNY 10032United States Gangarosa Department of Environmental Health Rollins School of Public HealthEmory UniversityAtlantaGA 30329United States Department of Environmental Medicine and Public Health Icahn School of Medicine at Mount SinaiNew YorkNY 10029United States Department of Environmental Toxicology University of CaliforniaDavisCA 95616United States Department of Surgery Lurie Children’s Hospital of ChicagoChicagoIL 60611United States Northwestern University Feinberg School of Medicine Northwestern UniversityChicagoIL 60611United States Division of Biostatistics and Epidemiology Cincinnati Children's Hospital Medical CenterCincinnatiOH 45229United States Department of Pediatrics University of Cincinnati College of MedicineCincinnatiOH 45229United States Department of Pediatrics Children’s Nutrition Research Center USDA/ARSBaylor College of MedicineHoustonTX 77030United States Department of Gastroenterology Children’s Hospital Los AngelesLos AngelesCA 90027United States Division of Gastroenterology Hepatology and NutritionCincinnati Children's Hospital Medical CenterCincinnatiOH 45229United States

BACKGROUND Nonalcoholic fatty liver disease(NAFLD)is one of the most common chronic liver diseases in children and *** ranges in severity from isolated hepatic steatosis to nonalcoholic steatohepatitis(NASH),wherein hepatocellular inflammation and/or fibrosis coexist with *** microRNA(miRNA)levels have been suggested to be altered in NAFLD,but the extent to which miRNA are related to NAFLD features remains *** analysis tested the hypothesis that plasma miRNAs are significantly associated with histological features of NAFLD in *** To investigate the relationship between plasma miRNA expression and NAFLD features among adolescents with *** This study included 81 adolescents diagnosed with NAFLD and 54 adolescents without NAFLD from the Teen-Longitudinal Assessment of Bariatric Surgery ***-operative core liver biopsies were collected from participants and used to characterize histological features of *** samples were collected during surgery for miRNA profiling.A total of 843 plasma miRNAs were profiled using the HTG EdgeSeq *** examined associations of plasma miRNAs and NAFLD features using logistic regression after adjusting for age,sex,race,and other key *** Pathways Analysis was used to identify biological functions of miRNAs that were associated with multiple histological features of *** We identified 16 upregulated plasma miRNAs,including miR-193a-5p and miR-193b-5p,and 22 downregulated plasma miRNAs,including miR-1282 and miR-6734-5p,in adolescents with ***,52,16,15,and 9 plasma miRNAs were associated with NASH,fibrosis,ballooning degeneration,and lobular inflammation,***,16 miRNAs were associated with two or more histological features of *** those miRNAs,miR-411-5p was downregulated in NASH,ballooning,and fibrosis,while miR-122-5p,miR-1343-5p,miR-193a-5p,miR-193b-5p,and miR-7845-5p were consistently and posi

关键词： MicroRNA Nonalcoholic fatty liver disease Non-alcoholic steatohepatitis Liver fibrosis Lobular inflammation Ballooning degeneration

Help received from relatives and services to satisfy needs of adults with severe mental disorders

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Health 2013年第2期5卷 200-211页

作者： Marie-Josée Fleury Guy Grenier Jean-Marie Bamvita Department of Psychiatry McGill University Douglas Hospital Research Centre Montreal Canada douglas hospital research centre Montreal Canada

Background: Few studies have considered the impact of demographic and clinical variables on help received respectively from services and relatives to satisfy needs of adults with severe mental disorders (SMD). Purposes: To identify major needs receiving help and, using the Andersen’s Behavioural Model of Health Service Use, to identify and compare predisposing, enabling and need factors associated with help given respectively by services and relatives. Methods: 352 adults with SMD from Montreal (Canada) were interviewed using six standardized instruments. Clinical records were consulted. Multiple linear regression analyses were processed to measure level of help received from relatives and services. Results: Factors significantly associated with help from relatives were: higher number of perceived needs;fewer diagnoses;better community functioning;being younger, and in a conjugal relationship;living autonomously;having social support and better quality of life;and, marginally, being an immigrant. Factors significantly associated with help from services were: higher number of perceived needs, better quality of life, supervised housing, adjustment disorder and schizophrenia. Conclusions: Help overall is insufficient to meet users’ needs. Services are more helpful than relatives, in particular regarding health needs. Comparatively to help from services, help from relatives is associated with predisposing factors like age, marital status and nationality.

关键词： Help from Relatives Help from Services Needs Assessment Severe Mental Disorders Service Utilisation

Rib Osteosynthesis for Sub-Acute Management of a Flail Chest in a Tertiary centre in a Low-Middle Income Country of Sub-Saharan Africa: Case Report at Douala Laquintinie hospital

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Open Journal of Thoracic Surgery 2024年第1期14卷 1-16页

作者： Fabrice Stéphane Arroye Betou Nyankoue Mebouinz Ferdinand Guy Aristide Bang Kobe Folkabo Zephany Banga Nkomo douglas Moussa Seck Diop Abdoul Lahad Mbeng Marcella Derboise Christelle Biyouma Noel Essomba Souleyman Diatta Handy Eone Daniel Arthur Essomba Hassan Ndiaye Maurice Aurelien Sosso Department of Surgery and Specialties Faculty of Medicine and Biomedical Sciences (FMBS) University of Yaoundé (UYI) Yaoundé Cameroon Department of Surgery and Affiliated Disciplines Douala Laquintinie Hospital Douala Cameroon Department of Surgery and Specialties Yaoundé General Hospital Yaoundé Cameroon Department of Surgery and Specialties Faculty of Medicine and Pharmaceutical Sciences (FMPS) University of Dschang Dschang Cameroon Service de Chirurgie Thoracique et Cardiovasculaire Centre Hospitalier Universitaire de Fann Faculté de Médecine de Pharmacie et d’Odontologie Université de Cheikh Anta Diop Dakar Sénégal UFR des Sciences de la Santé Ziguinchor Sénégal

Background: Costal fracture surgical is still a debate, therefore we shall select between early and delay surgical management. Case Report: We are reporting two cases of post road traffic clash delay ribs fractures osteosynthesis involving a 63-year-old man with multistage fractures on the left and pulmonary pinning of one of the costal arches, complicated by a homolateral haemothorax and a 41-year-old man with a bilateral flail chest. Conclusion: The simple postoperative course and the immediate postoperative improvement in the patient’s clinical respiratory condition enabled us to discuss the time frame for management, in this case the indication for early or later surgery.

关键词： Flail Chest Fixation Plate Rib Fracture Osteosynthesis

Association between acute peripancreatic fluid collections and early readmission in acute pancreatitis:A propensity-matched analysis

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World Journal of Experimental Medicine 2024年第2期14卷 75-88页

作者： Hassam Ali Faisal Inayat Waqas Rasheed Arslan Afzal Ahtshamullah Chaudhry Pratik Patel Attiq Ur Rehman Muhammad Sajeel Anwar Gul Nawaz Muhammad Sohaib Afzal Amir H Sohail Subanandhini Subramanium Dushyant Singh Dahiya Deepa Budh Babu P Mohan douglas G Adler Department of Gastroenterology and Hepatology East Carolina University Brody School of MedicineGreenvilleNC 27834United States Department of Internal Medicine Allama Iqbal Medical CollegeLahorePunjab 54550Pakistan Department of Internal Medicine Texas Tech University Health Sciences CenterLubbockTX 79430United States Department of Internal Medicine St.Dominic’s HospitalJacksonMS 39216United States Department of Gastroenterology Mather Hospital and Hofstra University Zucker School of MedicinePort JeffersonNY 11777United States Department of Hepatology Geisinger Wyoming Valley Medical CenterWilkes-BarrePA 18711United States Department of Internal Medicine UHS Wilson Medical CenterJohnson CityNY 13790United States Department of Internal Medicine Louisiana State University HealthShreveportLA 71103United States Department of Surgery University of New Mexico School of MedicineAlbuquerqueNM 87106United States Division of Gastroenterology Hepatologyand MotilityThe University of Kansas School of MedicineKansas CityKS 64108United States Department of Internal Medicine St.Barnabas Hospital and Albert Einstein College of MedicineBronxNY 10457United States Department of Gastroenterology and Hepatology University of Utah School of MedicineSalt Lake CityUT 84132United States Center for Advanced Therapeutic Endoscopy Porter Adventist HospitalCentura HealthDenverCO 80210United States

BACKGROUND Patients with acute pancreatitis(AP)frequently experience hospital readmissions,posing a significant burden to healthcare *** peripancreatic fluid collection(APFC)may negatively impact the clinical course of *** could worsen symptoms and potentially lead to additional ***,clinical evidence regarding the specific association between APFC and early readmission in AP remains *** the link between APFC and readmission may help improve clinical care for AP patients and reduce healthcare *** To evaluate the association between APFC and 30-day readmission in patients with *** This retrospective cohort study is based on the Nationwide Readmission Database for *** with a primary diagnosis of AP were *** were categorized into those with and without APFC.A 1:1 propensity score matching for age,gender,and Elixhauser comorbidities was *** primary outcome was early readmission *** outcomes included the incidence of inpatient complications and healthcare *** analyses used Mann-Whitney U andχ2 tests,while Cox regression models assessed 30-day readmission risks and reported them as adjusted hazard ratios(aHR).Kaplan-Meier curves and log-rank tests verified readmission *** A total of 673059 patients with the principal diagnosis of AP were *** these,5.1%had APFC on initial *** propensity score matching,each cohort consisted of 33914 *** with APFC showed a higher incidence of inpatient complications,including septic shock(3.1%vs 1.3%,Phospital charges($29451 vs$24418,P<0.001).For 30-day readmissions,APFC patients had a higher rate(15.7%vs 6.5%,P<0.001)and a longer median readmission LOS(4 vs 3 days,P<0.001).The APF

关键词： Acute pancreatitis Acute peripancreatic fluid collections Readmission predictors Inpatient complications Healthcare utilization and costs

Optical redox imaging of ANT1-de-cient muscles

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Journal of Innovative Optical Health Sciences 2024年第1期17卷 135-140页

作者： He N.Xu Ryan M.Morrow Min Feng Huaqing Zhao douglas Wallace Lin Z.Li Britton Chance Laboratory of Redox Imaging Department of Radiology Perelman School of Medicine University of Pennsylvania PhiladelphiaPA 19104USA Center for Mitochondrial and Epigenomic Medicine Children's hospital of Philadelphia research Institute Philadelphia PA 19104USA Center for Biostatistics and Epidemiology Lewis Katz School of Medicine at Temple University Philadelphia PA 19140USA

Adenine nucleotide translocator(ANT)is a mitochondrial protein involved in the exchange of ADP and ATP across the mitochondrial inner *** plays a crucial role in cellular energy metabolism by facilitating the transport of ATP synthesized within the mitochondria to the *** isoform ANT1 predominately expresses in cardiac and skeletal *** or dysregulation in ANT1 have been implicated in various mitochondrial disorders and neuromuscular *** aimed to examine whether ANT1 deletion may affect mitochondrial redox state in our established ANT1-de-cient *** and quadriceps resected from age-matched wild type(WT)and ANT1-de-cient mice were snap-frozen in liquid *** Chance redox scanner was utilized to perform 3D optical redox *** sample underwent scanning across 3–5 *** averaging analysis showed no signi-cant differences in the redox indices(NADH,flavin adenine dinucleotide containing-flavoproteins Fp,and the redox ratio Fp/(NADH+Fp)between WT and ANT1-de-cient ***,quadriceps had higher Fp than hearts in both groups(p¼0:0004 and 0.01,respectively).Furthermore,the quadriceps were also more oxidized(a higher redox ratio)than hearts in WT group(p¼0:004).NADH levels were similar in all *** data suggest that under non-stressful physical condition,the ANT1-de-cient muscle cells were in the same mitochondrial state as WT ones and that the signi-cant difference in the mitochondrial redox state between quadriceps and hearts found in WT might be diminished in ANT1-de-cient *** imaging of muscles under physical stress can be conducted in future.

关键词： ANT1 redox ratio flavoproteins

Impact of the biological definition of Alzheimer’s disease using amyloid, tau and neurodegeneration (ATN):what about the role of vascular changes,inflammation,Lewy body pathology?

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Translational Neurodegeneration 2018年第1期7卷 111-117页

作者： S.Gauthier H.Zhang K.P.Ng T.A.Pascoal P.Rosa-Neto McGill Center for Studies in Aging Douglas Mental Health Research InstituteMontrealCanada Department of Neurology The First Affiliated Hospital of Chongqing Medical UniversityChongqingChina Department of Neurology National Neuroscience InstituteSingaporeSingapore

Background:The NIA-AA research framework proposes a biological definition of Alzheimer’s disease,where asymptomatic persons with amyloid deposition would be considered as having this disease prior to ***:Notwithstanding the fact that amyloid deposition in isolation is not associated with dementia,even the combined association of amyloid and tau pathology does not inevitably need to dementia over age *** pathological factors may play a leading or an accelerating role in age-associated cognitive decline,including vascular small vessel disease,neuroinflammation and Lewy Body ***:research should aim at understanding the interaction between all these factors,rather than focusing on them *** this will lead to a personalized approach to the prevention of brain aging,based on individual biological,genetic and cognitive profiles.

关键词： Alzheimer’s disease Diagnosis Treatment Biomarkers Precision medicine Translational research Brain imaging Database analysis Human volunteer cohorts

Ophthalmic manifestations of Cryptococcus gattii species complex:a case series and review of the literature

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International Journal of Ophthalmology(English edition) 2022年第1期15卷 119-127页

作者： Grace A.McCabe Jack W.McHugh Todd Goodwin douglas F.Johnson Anthony Fok Thomas G.Campbell Department of Ophthalmology the Royal Melbourne HospitalMelbourneVictoria 3050Australia Department of Internal Medicine Mayo ClinicRochesterMinnesota 55902USA James Cook University TownsvilleQueensland 4811Australia NQ Eye Foundation TownsvilleQueensland 4811Australia Department of Infectious Disease the Royal Melbourne HospitalMelbourneVictoria 3050Australia Department of Neurology the Royal Melbourne HospitalMelbourneVictoria 3050Australia centre for Eye research Australia East MelbourneVictoria 3002Australia Ophthalmology Department of Surgerythe University of MelbourneMelbourneVictoria 3010Australia

AIM:To report 4 cases of Cryptococcus gattii(***)species complex infection with diverse ophthalmic manifestations,and to review the literature to examine pathobiology of disease,classical ophthalmic presentations and outcomes,and treatment modalities for this emerging ***:Cases of *** meningoencephalitis with ophthalmic manifestations were identified via chart review at two institutions in Australia and one institution in the mid-west region of the United States and are reported as a case ***,a MEDLINE literature review was conducted to identify all reported cases of *** with ophthalmic manifestations from *** were reviewed and tabulated,together with our series of patients,in this ***:Four cases of *** with ophthalmic manifestations are presented;three from Australia and one from the USA.A literature review identified a total of 331 cases of *** with visual *** majority of cases occurred in immunocompetent *** vision and diplopia were the most common presenting symptoms,with papilloedema the most common sign,reported in 10%-50%of *** loss was reported in 10%-53%of cases,as compared to rates of visual loss of 1%-9%in *** *** intracranial pressure,cerebrospinal fluid(CSF)fungal burden,and abnormal neurological exam at presentation correlated with poor visual *** mainstays of treatment are anti-fungal agents and aggressive management of intracranial hypertension with serial lumbar *** diversion procedures should be considered for refractory *** and mannitol are associated with high complication rates,and adjuvant corticosteroids have demonstrated higher mortality rates;these treatments should be ***:Permanent visual loss represents a devastating yet potentially preventable sequelae of *** *** hypertension needs to be recognised early and aggressively ***

关键词： Cryptococcus Cryptococcus gattii cryptococcosis ophthalmic manifestation

The Activation and Regulation of the Akt Survival Pathway Induced by IGF-1 and Its Role in Neuronal Survival-Possible Implications in the Treatment of Cerebrovascular Disease

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The Activation and Regulation of the Akt Survival Pathway In...