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Wong Hoi She, Albert Chi Yan Chan, Tan To Cheung, Chung Mau Lo, Kenneth Siu Ho Chok
AIM: To investigate the impact of alpha-fetoprotein (AFP) on long-term recurrence rate and overall survival and we also aimed to define the level of AFP leading to a higher risk of disease recurrence and affecting patient survival. METHODS: Data of adult patients who received liver transplant (LT) for hepatocellular carcinoma (HCC) at our hospital from January 2000 to December 2013 were reviewed. Reviewed data included demographic characteristics, preoperative AFP level, operative details, follow-up details, and survival outcomes...
February 27, 2018: World Journal of Hepatology
Federico Piñero, Paulo Costa, Yuri L Boteon, Sergio Hoyos Duque, Sebastian Marciano, Margarita Anders, Adriana Varón, Alina Zerega, Jaime Poniachik, Alejandro Soza, Martín Padilla Machaca, Josemaría Menéndez, Rodrigo Zapata, Mario Vilatoba, Linda Muñoz, Martín Maraschio, Martín Fauda, Lucas McCormack, Adrian Gadano, Ilka Sf Boin, Jose H Parente García, Marcelo Silva
BACKGROUND AND AIMS: Heterogeneous data has been reported regarding liver transplantation (LT) for hepatocellular carcinoma (HCC) in Latin America. We aimed to describe treatment during waiting list, survival and recurrence of HCC after LT in a multicenter study from Latin America. MATERIAL AND METHODS: Patients with HCC diagnosed prior to transplant (cHCC) and incidentally found in the explanted liver (iHCC) were included. Imaging-explanted features were compared in cHCC (non-discordant if pre and post-LT were within Milan, discordant if pre-LT was within and post-LT exceeding Milan)...
March 1, 2018: Annals of Hepatology
Sang Won Seo, Marie-Pierre Thibodeau, David C Perry, Alice Hua, Manu Sidhu, Isabel Sible, Jose Norberto S Vargas, Stephanie E Gaus, Gil D Rabinovici, Katherine D Rankin, Adam L Boxer, Joel H Kramer, Howard J Rosen, Maria Luisa Gorno-Tempini, Lea T Grinberg, Eric J Huang, Stephen J DeArmond, John Q Trojanowski, Bruce L Miller, William W Seeley
OBJECTIVE: To examine clinicopathologic correlations in early vs late age at onset frontotemporal dementia (FTD) and frontotemporal lobar degeneration (FTLD). METHODS: All patients were clinically evaluated and prospectively diagnosed at the UCSF Memory and Aging Center. Two consecutive series were included: (1) patients with a clinically diagnosed FTD syndrome who underwent autopsy (cohort 1) and (2) patients with a primary pathologic diagnosis of FTLD, regardless of the clinical syndrome (cohort 2)...
February 16, 2018: Neurology
Alexandra M Schnoes, Anne Caliendo, Janice Morand, Teresa Dillinger, Michelle Naffziger-Hirsch, Bruce Moses, Jeffery C Gibeling, Keith R Yamamoto, Bill Lindstaedt, Richard McGee, Theresa C O'Brien
The Graduate Student Internships for Career Exploration (GSICE) program at the University of California, San Francisco (UCSF), offers structured training and hands-on experience through internships for a broad range of PhD-level careers. The GSICE program model was successfully replicated at the University of California, Davis (UC Davis). Here, we present outcome data for a total of 217 PhD students participating in the UCSF and UC Davis programs from 2010 to 2015 and 2014 to 2015, respectively. The internship programs at the two sites demonstrated comparable participation, internship completion rates, and overall outcomes...
2018: CBE Life Sciences Education
LaMont Cannon, Aditya Jagarapu, Cesar A Vargas-Garcia, Michael J Piovoso, Ryan Zurakowski
Time series measurements of circular viral episome (2-LTR) concentrations enable indirect quantification of persistent low-level Human Immunodeficiency Virus (HIV) replication in patients on Integrase-Inhibitor intensified Combined Antiretroviral Therapy (cART). In order to determine the magnitude of these low level infection events, blood has to be drawn from a patients at a frequency and volume that is strictly regulated by the Institutional Review Board (IRB). Once the blood is drawn, the 2-LTR concentration is determined by quantifying the amount of HIV DNA present in the sample via a PCR (Polymerase Chain Reaction) assay...
December 2017: Proceedings of the ... IEEE Conference on Decision & Control
Robert K Jackler, Noel F Ayoub
BACKGROUND AND AIM: During the mid-20th century tobacco companies placed advertisements in medical journals to entice physicians to smoke their brand and, more importantly, to recommend it to their patients. They have been little studied, in part because advertising sections in medical journals are almost universally discarded before binding. This study aimed to define the themes and techniques used in doctor-targeted tobacco advertisements that appeared in American medical journals in the mid-20th century and determine the motivations and tactics of the tobacco industry in engaging the medical profession in this way...
February 7, 2018: Addiction
Minhaj Sirajuddin
Minhaj Sirajuddin talks to Francesca Lake, Head of Open Access Publishing. Minhaj Sirajuddin is currently an Assistant Investigator at the Institute for Stem Cell Biology and Regenerative Medicine (InStem), Bangalore, India. His lab works on understanding biological motility mediated by cytoskeleton elements using biophysics and cell biology. Previously his tenures were at UCSF (CA, USA) for his postdoctoral work and the Max Planck Institute (Dortmund, Germany) for his PhD. Minhaj is a recipient of Wellcome Trust - DBT India Alliance Intermediate Fellowship and the EMBO Young Investigator Award...
February 2018: Future Science OA
Inder K Daftari, Jeanne M Quivey, Jennifer S Chang, Kavita K Mishra
PURPOSE: The purpose of this study is to explore the feasibility of the use of titanium fiducial markers to minimize the metallic artifact seen with tantalum markers which causes significant distortion on postoperative orbital CT scans. METHOD: We designed and constructed the titanium markers in the shop of Crocker Nuclear Laboratory, UC Davis, CA. The markers were placed on an eyeball phantom. The eyeball was inserted into the Rando phantom in the orbital space...
January 29, 2018: Medical Physics
Qingqing Mao, Melissa Jay, Jana L Hoffman, Jacob Calvert, Christopher Barton, David Shimabukuro, Lisa Shieh, Uli Chettipally, Grant Fletcher, Yaniv Kerem, Yifan Zhou, Ritankar Das
OBJECTIVES: We validate a machine learning-based sepsis-prediction algorithm ( InSight ) for the detection and prediction of three sepsis-related gold standards, using only six vital signs. We evaluate robustness to missing data, customisation to site-specific data using transfer learning and generalisability to new settings. DESIGN: A machine-learning algorithm with gradient tree boosting. Features for prediction were created from combinations of six vital sign measurements and their changes over time...
January 26, 2018: BMJ Open
Katherine L Possin, Tacie Moskowitz, Sabrina J Erlhoff, Kirsten M Rogers, Erica T Johnson, Natasha Z R Steele, Joseph J Higgins, Jordan Stiver, Andrea G Alioto, Sarah T Farias, Bruce L Miller, Katherine P Rankin
BACKGROUND/OBJECTIVES: Brief cognitive screens lack the sensitivity to detect mild cognitive impairment (MCI) or support differential diagnoses. The objective of this study was to validate the 10-minute, tablet-based University of California, San Francisco (UCSF) Brain Health Assessment (BHA) to overcome these limitations. DESIGN: Cross-sectional. SETTING: UCSF Memory and Aging Center. PARTICIPANTS: Older adults (N = 347) (neurologically healthy controls (n = 185), and individuals diagnosed with MCI (n = 99), dementia (n = 42), and as normal with concerns (n = 21))...
January 2018: Journal of the American Geriatrics Society
J D B Featherstone, B W Chaffee
A system for Caries Management by Risk Assessment (CAMBRA® ) has been developed in California. The purpose of this article is to summarize the science behind the methodology, the history of the development of CAMBRA, and the outcomes of clinical application. The CAMBRA caries risk assessment (CRA) tool for ages 6 y through adult has been used at the University of California, San Francisco (UCSF), for 14 y, and outcome studies involving thousands of patients have been conducted. Three outcomes assessments, each on different patient cohorts, demonstrated a clear relationship between CAMBRA-CRA risk levels of low, moderate, high, and extreme with cavitation or lesions into dentin (by radiograph) at follow-up...
February 2018: Advances in Dental Research
Hugo Pinto-Marques, Silvia Silva, Mafalda Sobral, Rui Perdigoto, Américo Martins, Eduardo Barroso
Total tumor volume (TTV) has been proposed as a more accurate means of selecting patients for liver transplantation (LT) due to hepatocellular carcinoma (HCC). We aim to analyze the role of TTV in a population with a short waiting time on list. METHODS: Analysis of a prospective database of patients submitted to LT for HCC between September 1992 and February 2014. TTV, Milan criteria (MC), UCSF (University of California San Francisco), and "Up to Seven" criteria were calculated both with preoperative imaging exams and histological data...
January 18, 2018: Digestive Surgery
Jaime Rodríguez-Guerra Pedregal, Jean-Didier Maréchal
Motivation: UCSF Chimera (Pettersen et al., 2004) is a powerful visualization tool remarkably present in the computational chemistry and structural biology communities. Built on a C ++ core wrapped under a Python 2.7 environment, one could expect to easily import UCSF Chimera's arsenal of resources in custom scripts or software projects. Nonetheless, this is not readily possible if the script is not executed within UCSF Chimera due to the isolation of the platform. UCSF ChimeraX (Goddard et al...
January 11, 2018: Bioinformatics
Endang Sjamsudin, Tantry Maulina, Ahmad Cipta, Aulia Iskandarsyah, Andri Hardianto, Mantra Nandini, Alwin Kasim, Harmas Yazid Yusuf
PURPOSE: Depending on its stage on diagnosis, oral squamous cell carcinoma (OSCC) might cause excruciating pain and decreased quality of life. As for treatment, the treatment of OSCC might vary from chemotherapy to surgery. The objective of the current study was to assess the preoperative and postoperative oral cancer pain, anxiety, and quality of life of OSCC patients with invasive treatment procedure. METHODS: The current study was conducted by interviewing 21 (10 males; 11 females) patients who had been diagnosed with stage 3 and stage 4 OSCC and about to go through surgery at the inpatient ward of Surgical Oncology Department, Hasan Sadikin Hospital, Bandung, Indonesia...
January 13, 2018: Oral and Maxillofacial Surgery
Peter Rechmann, Sona Bekmezian, Beate M T Rechmann, Benjamin W Chaffee, John D B Featherstone
OBJECTIVES: White spot lesions (WSLs) are a complication of orthodontic therapy. This study investigated the effect of MI (minimally invasive) Paste Plus (MIPP) and MI Varnish (MIV) on WSLs in orthodontic patients during a 12-month, randomized, single-blind, prospective, standard-of-care controlled clinical trial. MATERIALS AND METHODS: Forty subjects, recruited from the UCSF School of Dentistry Orthodontics Clinic, were randomly assigned to the experimental (twice-daily 1100 ppm fluoride toothpaste, daily MIPP, quarterly MIV application) or control group (twice-daily 1100 ppm fluoride toothpaste, fluoride rinse recommendation)...
January 4, 2018: Clinical Oral Investigations
Lurdes Y T Inoue, Daniel W Lin, Lisa F Newcomb, Amy S Leonardson, Donna Ankerst, Roman Gulati, H Ballentine Carter, Bruce J Trock, Peter R Carroll, Matthew R Cooperberg, Janet E Cowan, Laurence H Klotz, Alexandre Mamedov, David F Penson, Ruth Etzioni
Background: Active surveillance (AS) is increasingly accepted for managing low-risk prostate cancer, yet there is no consensus about implementation. This lack of consensus is due in part to uncertainty about risks for disease progression, which have not been systematically compared or integrated across AS studies with variable surveillance protocols and dropout to active treatment. Objective: To compare risks for upgrading from a Gleason score (GS) of 6 or less to 7 or more across AS studies after accounting for differences in surveillance intervals and competing treatments and to evaluate tradeoffs of more versus less frequent biopsies...
January 2, 2018: Annals of Internal Medicine
Tao Zhang, Yuan Liu, Xu Peng, Junwei Fan, Zhihai Peng
Objective: To investigate the association of donor and recipient IL-15 genetic variants with HCC recurrence and prognosis after LT. Methods: A total of 112 liver transplant patients with HBV-related HCC were enrolled. IL-15 rs10519613 and rs13122930 were genotyped in donors and recipients. Results: Recipient IL-15 rs10519613 polymorphism was found to be significantly related to HCC recurrence after LT. In multivariate analysis, tumor thrombus, UCSF criteria, and recipient IL-15 rs10519613 genotypes were independent predictive factors of HCC recurrence after LT...
2017: Disease Markers
Dvir Aran, Zicheng Hu, Atul J Butte
Tissues are complex milieus consisting of numerous cell types. Several recent methods have attempted to enumerate cell subsets from transcriptomes. However, the available methods have used limited sources for training and give only a partial portrayal of the full cellular landscape. Here we present xCell, a novel gene signature-based method, and use it to infer 64 immune and stromal cell types. We harmonized 1822 pure human cell type transcriptomes from various sources and employed a curve fitting approach for linear comparison of cell types and introduced a novel spillover compensation technique for separating them...
November 15, 2017: Genome Biology
Michele M Pelter, Yuan Xu, Richard Fidler, Ran Xiao, David W Mortara, Hu Xiao
BACKGROUND: Patients hospitalized for suspected acute coronary syndrome (ACS) are at risk for transient myocardial ischemia. During the "rule-out" phase, continuous ECG ST-segment monitoring can identify transient myocardial ischemia, even when asymptomatic. However, current ST-segment monitoring software is vastly underutilized due to false positive alarms, with resultant alarm fatigue. Current ST algorithms may contribute to alarm fatigue because; (1) they are not designed with a delay (minutes), rather alarm to brief spikes (i...
October 24, 2017: Journal of Electrocardiology
Kanade Shinkai, Chen Amy Chen, Brian S Schwartz, Helen Loeser, Cynthia Ashe, David M Irby
PROBLEM: Academic medical centers struggle to achieve parity in advancement and promotions between educators and discovery-oriented researchers in part because of narrow definitions of scholarship, lack of clear criteria for measuring excellence, and barriers to making educational contributions available for peer review. Despite recent progress in expanding scholarship definitions and identifying excellence criteria, these advances are not integrated into educator portfolio (EP) templates or curriculum vitae platforms...
November 7, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
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