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Pablo Serrano Rodriguez, Alfred Sidney Barritt Iv, David Allen Gerber, Chirag Sureshchandra Desai
Patients with polycystic liver disease are described in the literature as both recipient and donor for liver transplant. Due to well-preserved liver function, it is often difficult for these patients to receive an organ. Livers of these patients are often large and heavier than a normal organ. We describe two cases who had exceedingly large livers, weighing 14 and 19 kg. To the best of our knowledge and search, these are some of the heaviest explanted livers, and one of the patients incidentally received a liver from a donor with ADPKD...
2018: Case Reports in Transplantation
Emily Hobbs, Jaime H Vera, Michael Marks, Andrew William Barritt, Basil H Ridha, David Lawrence
Syphilis is a resurgent sexually transmitted infection in the UK that is disproportionately diagnosed in patients living with HIV, particularly in men who have sex with men. Syphilis appears to present differently in patients with HIV, particularly in those with severe immunosuppression. Progression to neurosyphilis is more common in HIV coinfection and can be asymptomatic, often for several years. The presentations of neurosyphilis vary but can include meningitis, meningovascular disease, general paresis and tabes dorsalis...
February 24, 2018: Practical Neurology
A Sidney Barritt, Ravi Jhaveri
PURPOSE OF REVIEW: Increasing hepatitis C virus (HCV) cases over the past decade have raised concerns about subsequent increased cases in infants due to mother to child transmission (MTCT). Many are reminded of the early days of HIV and the rationale for using antiretroviral agents during pregnancy. RECENT FINDINGS: Direct-acting antivirals (DAAs) that are highly potent, all-oral, short-duration regimens that cure HCV have led many to consider what it would entail to use DAAs for pregnant women...
February 22, 2018: Current HIV/AIDS Reports
Michelle A Peck, Kimberly Sturk-Andreaggi, Jacqueline T Thomas, Robert S Oliver, Suzanne Barritt-Ross, Charla Marshall
Generating mitochondrial genome (mitogenome) data from reference samples in a rapid and efficient manner is critical to harnessing the greater power of discrimination of the entire mitochondrial DNA (mtDNA) marker. The method of long-range target enrichment, Nextera XT library preparation, and Illumina sequencing on the MiSeq is a well-established technique for generating mitogenome data from high-quality samples. To this end, a validation was conducted for this mitogenome method processing up to 24 samples simultaneously along with analysis in the CLC Genomics Workbench and utilizing the AQME (AFDIL-QIAGEN mtDNA Expert) tool to generate forensic profiles...
January 16, 2018: Forensic Science International. Genetics
A Sidney Barritt, Brian Lee, Thomas Runge, Monica Schmidt, Ravi Jhaveri
OBJECTIVE: To evaluate the impact of substance abuse on pediatric hepatitis C virus (HCV) prevalence, we examined geographic and demographic data on inpatient hospitalizations in children with HCV. STUDY DESIGN: We examined hospitalizations in children using the Kids' Inpatient Database, a part of the Healthcare Cost and Utilization Project. We identified cases using the International Classification of Diseases, 9th edition, codes for HCV infection during 2006, 2009, and 2012...
October 26, 2017: Journal of Pediatrics
Charla Marshall, Kimberly Sturk-Andreaggi, Jennifer Daniels-Higginbotham, Robert Sean Oliver, Suzanne Barritt-Ross, Timothy P McMahon
Next-generation ancient DNA technologies have the potential to assist in the analysis of degraded DNA extracted from forensic specimens. Mitochondrial genome (mitogenome) sequencing, specifically, may be of benefit to samples that fail to yield forensically relevant genetic information using conventional PCR-based techniques. This report summarizes the Armed Forces Medical Examiner System's Armed Forces DNA Identification Laboratory's (AFMES-AFDIL) performance evaluation of a Next-Generation Sequencing protocol for degraded and chemically treated past accounting samples...
November 2017: Forensic Science International. Genetics
Andrew W Barritt, Mirdhu Wickremaratchi, Stuart J Anderson
Susac syndrome is a rare condition characterised by the clinical triad of encephalopathy, branch retinal artery occlusion, and sensorineural hearing loss. Of the few published cases, there is variability with regard to cognitive outcome. We describe the clinical course and neuropsychological performance of a 21-year-old male patient presenting with severe encephalopathy and later developing the full triad fulfilling the diagnosis of Susac syndrome.
September 18, 2017: Applied Neuropsychology. Adult
Eunüs S Ali, Grigori Y Rychkov, Greg J Barritt
In steatotic hepatocytes, intracellular Ca2+ homeostasis is substantially altered compared to normal. Decreased Ca2+ in the endoplasmic reticulum (ER) can lead to ER stress, an important mediator of the progression of liver steatosis to nonalcoholic steatohepatitis, type 2 diabetes, and hepatocellular carcinoma. Store-operated Ca2+ channels (SOCs) in hepatocytes are composed principally of Orai1 and STIM1 proteins. Their main role is the maintenance of adequate Ca2+ in the lumen of the ER. In steatotic hepatocytes, store-operated Ca2+ entry (SOCE) is substantially inhibited...
2017: Advances in Experimental Medicine and Biology
Wesley T Kerr, Emily A Janio, Chelsea T Braesch, Justine M Le, Jessica M Hori, Akash B Patel, Norma L Gallardo, Janar Bauirjan, Shannon R D'Ambrosio, Andrea M Chau, Eric S Hwang, Emily C Davis, Albert Buchard, David Torres-Barba, Mona Al Banna, Sarah E Barritt, Andrew Y Cho, Jerome Engel, Mark S Cohen, John M Stern
OBJECTIVE: Low-cost evidence-based tools are needed to facilitate the early identification of patients with possible psychogenic nonepileptic seizures (PNES). Prior to accurate diagnosis, patients with PNES do not receive interventions that address the cause of their seizures and therefore incur high medical costs and disability due to an uncontrolled seizure disorder. Both seizures and comorbidities may contribute to this high cost. METHODS: Based on data from 1,365 adult patients with video-electroencephalography-confirmed diagnoses from a single center, we used logistic and Poisson regression to compare the total number of comorbidities, number of medications, and presence of specific comorbidities in five mutually exclusive groups of diagnoses: epileptic seizures (ES) only, PNES only, mixed PNES and ES, physiologic nonepileptic seizurelike events, and inconclusive monitoring...
November 2017: Epilepsia
Zinan Yi, Maria E Mayorga, Eric S Orman, Stephanie B Wheeler, Paul H Hayashi, A Sidney Barritt
BACKGROUND: Changes in the epidemiology of end-stage liver disease may lead to increased risk of dropout from the liver transplant waitlist. Anticipating the future of liver transplant waitlist characteristics is vital when considering organ allocation policy. METHODS: We performed a discrete event simulation to forecast patient characteristics and rate of waitlist dropout. Estimates were simulated from 2015 to 2025. The model was informed by data from the Organ Procurement and Transplant Network, 2003 to 2014...
October 2017: Transplantation
D Gavriliouk, N R Scrimgeour, S Grigoryev, L Ma, F H Zhou, G J Barritt, G Y Rychkov
Ca(2+) release activated Ca(2+) (CRAC) channels composed of two cellular proteins, Ca(2+)-sensing stromal interaction molecule 1 (STIM1) and pore-forming Orai1, are the main mediators of the Ca(2+) entry pathway activated in response to depletion of intracellular Ca(2+) stores. Previously it has been shown that the amplitude of CRAC current (ICRAC) strongly depends on extracellular and intracellular pH. Here we investigate the intracellular pH (pHi) dependence of ICRAC mediated by Orai1 and STIM1ectopically expressed in HEK293 cells...
August 29, 2017: Scientific Reports
Aderonke A Akinkugbe, Gary D Slade, A Sidney Barritt, Stephen R Cole, Steven Offenbacher, Astrid Petersmann, Thomas Kocher, Markus M Lerch, Julia Mayerle, Henry Völzke, Gerardo Heiss, Birte Holtfreter
BACKGROUND: Non-alcoholic fatty liver disease (NAFLD) affects 20%-30% of adults with risk factors like obesity and insulin resistance putatively acting through chronic low-grade inflammation. Because periodontitis elicits low-grade inflammation, we hypothesized that it could contribute to NAFLD occurrence. OBJECTIVE: To investigate epidemiologic associations between periodontitis and the incidence of NAFLD among 2,623 participants of the Study of Health in Pomerania...
November 2017: Journal of Clinical Periodontology
A S Barritt, Norman Gitlin, Samuel Klein, Anna S Lok, Rohit Loomba, Laura Malahias, Margaret Powell, Miriam B Vos, L Michael Weiss, Kenneth Cusi, Brent A Neuschwander-Tetri, Arun Sanyal
Nonalcoholic fatty liver disease (NAFLD) is highly prevalent and can lead to cirrhosis, hepatocellular carcinoma, and end-stage liver disease. NAFLD comprises the spectrum from simple steatosis (nonalcoholic fatty liver, NAFL), to steatosis with inflammation (nonalcoholic steatohepatitis, NASH). Current primary therapy recommended for NAFLD is weight loss induced by lifestyle modification. The difficulty in achieving this has led to robust pharmacological therapy development. While new drugs may show efficacy in selected phase II/III clinical trial populations, their real-world effectiveness is unknown...
October 2017: Contemporary Clinical Trials
A A Akinkugbe, C L Avery, A S Barritt, S R Cole, M Lerch, J Mayerle, S Offenbacher, A Petersmann, M Nauck, H Völzke, G D Slade, G Heiss, T Kocher, B Holtfreter
An association between periodontitis and nonalcoholic fatty liver disease (NAFLD) has been reported by experimental animal and epidemiologic studies. This study investigated whether circulating levels of serum C-reactive protein (CRP) and a weighted genetic CRP score representing markers of inflammatory burden modify the association between periodontitis and NAFLD. Data came from 2,481 participants of the Study of Health in Pomerania who attended baseline examination that occurred between 1997 and 2001. Periodontitis was defined as the percentage of sites (0%, <30%, ≥30%) with probing pocket depth (PD) ≥4 mm, and NAFLD status was determined using liver ultrasound assessment...
November 2017: Journal of Dental Research
Joseph D Barritt, Nadine D Younan, John H Viles
Amyloid-β peptide (Aβ) isoforms of different lengths and aggregation propensities coexist in vivo. These different isoforms are able to nucleate or frustrate the assembly of each other. N-terminally truncated Aβ(11-40) and Aβ(11-42) make up one fifth of plaque load yet nothing is known about their interaction with full-length Aβ(1-40/42) . We show that in contrast to C-terminally truncated isoforms, which do not co-fibrillize, deletions of ten residues from the N terminus of Aβ have little impact on its ability to co-fibrillize with the full-length counterpart...
June 13, 2017: Angewandte Chemie
Margaret A Jergenson, Laura C Barritt, Barbara J O'Kane, Neil S Norton
In dental education, the anatomical sciences, which include gross anatomy, histology, embryology, and neuroanatomy, encompass an important component of the basic science curriculum. At Creighton University School of Dentistry, strength in anatomic science education has been coupled with a solid applicant pool to develop a novel Master of Science in Oral Biology, Anatomic Sciences track degree program. The program provides a heavy emphasis on developing teaching skills in predoctoral students as well as exposure to research processes to encourage the cohort to pursuing a career in academic dentistry...
November 2017: Anatomical Sciences Education
Andrew W Barritt, Sriram Vundavalli, Paul J Hughes
Our report serves to highlight Varicella vasculopathy as a rarity not to be overlooked in the differential diagnosis of subarachnoid haemorrhage.
April 2017: JRSM Open
Nambi Ndugga, Teisha G Lightbourne, Kavon Javaherian, Joaquin Cabezas, Neha Verma, A Sidney Barritt, Ramon Bataller
OBJECTIVES: Effective oral therapies for hepatitis B and C have recently been developed, while there are no approved pharmacological therapies for alcoholic and non-alcoholic fatty liver diseases (ALD and NAFLD). We hypothesise that fewer advances in fatty liver diseases could be related to disparities in research attention. METHODS: We developed the Attention-to-Burden Index (ABI) that compares the research activities during 2010-2014, and an estimate of disease burden of these 4 major liver diseases...
March 22, 2017: BMJ Open
Wesley T Kerr, Emily A Janio, Chelsea T Braesch, Justine M Le, Jessica M Hori, Akash B Patel, Sarah E Barritt, Norma L Gallardo, Janar Bauirjan, Andrea M Chau, Eric S Hwang, Emily C Davis, David Torres-Barba, Andrew Y Cho, Jerome Engel, Mark S Cohen, John M Stern
OBJECTIVE: Early and accurate diagnosis of patients with psychogenic nonepileptic seizures (PNES) leads to appropriate treatment and improves long-term seizure prognosis. However, this is complicated by the need to record seizures to make a definitive diagnosis. Suspicion for PNES can be raised through knowledge that patients with PNES have increased somatic sensitivity and report more positive complaints on review-of-systems questionnaires (RoSQs) than patients with epileptic seizures...
April 2017: Epilepsy & Behavior: E&B
Tsai-Ling Liu, A Sidney Barritt, Morris Weinberger, John E Paul, Bruce Fried, Justin G Trogdon
BACKGROUND: Increasingly, patients with multiple chronic conditions are being managed in patient-centered medical homes (PCMH) that coordinate primary and specialty care. However, little is known about the types of providers treating complex patients with diabetes and compensated cirrhosis. OBJECTIVE: We examined the mix of physician specialties who see patients dually-diagnosed with diabetes and compensated cirrhosis. DESIGN: Retrospective cross-sectional study using 2000-2013 MarketScan® Commercial Claims and Encounters and Medicare Supplemental Databases...
2016: PloS One
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