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https://www.readbyqxmd.com/read/28819447/targeting-activated-platelets-a-unique-and-potentially-universal-approach-for-cancer-imaging
#1
May Lin Yap, James D McFadyen, Xiaowei Wang, Nicholas A Zia, Jan David Hohmann, Melanie Ziegler, Yu Yao, Alan Pham, Matthew Harris, Paul S Donnelly, P Mark Hogarth, Geoffrey A Pietersz, Bock Lim, Karlheinz Peter
Rationale The early detection of primary tumours and metastatic disease is vital for successful therapy and is contingent upon highly specific molecular markers and sensitive, non-invasive imaging techniques. We hypothesized that the accumulation of activated platelets within tumours is a general phenomenon and thus represents a novel means for the molecular imaging of cancer. Here we investigate a unique single chain antibody (scFv), which specifically targets activated platelets, as a novel biotechnological tool for molecular imaging of cancer...
2017: Theranostics
https://www.readbyqxmd.com/read/28817719/t-cell-expression-of-il-18r-and-dr3-is-essential-for-non-cognate-stimulation-of-th1-cells-and-optimal-clearance-of-intracellular-bacteria
#2
Oanh H Pham, Hope O'Donnell, Aymen Al-Shamkhani, Tobias Kerrinnes, Renée M Tsolis, Stephen J McSorley
Th1 cells can be activated by TCR-independent stimuli, but the importance of this pathway in vivo and the precise mechanisms involved require further investigation. Here, we used a simple model of non-cognate Th1 cell stimulation in Salmonella-infected mice to examine these issues. CD4 Th1 cell expression of both IL-18R and DR3 was required for optimal IFN-γ induction in response to non-cognate stimulation, while IL-15R expression was dispensable. Interestingly, effector Th1 cells generated by immunization rather than live infection had lower non-cognate activity despite comparable IL-18R and DR3 expression...
August 17, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28817663/discordance-in-the-diagnosis-of-diabetes-comparison-between-hba1c-and-fasting-plasma-glucose
#3
Lan T Ho-Pham, Uyen D T Nguyen, Truong X Tran, Tuan V Nguyen
OBJECTIVE: HbA1c has been introduced as a complementary diagnostic test for diabetes, but its impact on disease prevalence is unknown. This study evaluated the concordance between HbA1c and fasting plasma glucose (FPG) in the diagnosis of diabetes in the general population. MATERIALS AND METHODS: The study was designed as a population based investigation, with participants being sampled from the Ho Chi Minh City, Vietnam. Blood samples were collected after overnight fasting and analyzed within 4 hours after collection...
2017: PloS One
https://www.readbyqxmd.com/read/28815990/trade-patterns-facilitating-highly-pathogenic-avian-influenza-virus-dissemination-in-the-free-grazing-layer-duck-system-in-vietnam
#4
A Meyer, T X Dinh, T A Han, D V Do, T V Nhu, L T Pham, T T T Nguyen, S Newman, B Häsler, D U Pfeiffer, T Vergne
Highly pathogenic avian influenza (HPAI) viruses continue to threaten smallholder poultry producers in several South-east Asian countries, including Vietnam. In particular, the free-grazing duck system has been repeatedly highlighted as a major risk factor for HPAI outbreaks. Free-grazing ducks, which scavenge on rice paddies after the harvest, account for a large proportion of the duck population in Vietnam and the wider South-east Asian region. However, the structure and dynamics of the free-grazing duck production from farm to consumption has not been described for Vietnam...
August 16, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/28815101/characterizing-the-strength-of-evidence-in-fda-labels-for-pharmacogenomic-biomarker-guided-medication-use
#5
Lauren Chin, Beth Devine, Sarah Baradaran, Katelyn Keyloun, William Canestaro, Jonathan Pham
There is great heterogeneity in drug treatment response that is thought to be due to individual-level allelic variation in pharmacogenomic biomarkers. FDA Drug Labels provide information to guide pharmacogenomic biomarker use. Yet, the strength of evidence for clinical validity and clinical utility is lacking. We characterized the strength of evidence and treatment recommendations contained in FDA Drug Labels as of December 2015. Pharmacogenomic biomarker information was provided for 137 drugs, involving 49 pharmacogenomic biomarkers, constituting 166 drug-biomarker pairs...
2017: AMIA Summits on Translational Science Proceedings
https://www.readbyqxmd.com/read/28814444/implementing-an-inpatient-pediatric-prospective-audit-and-feedback-antimicrobial-stewardship-program-within-a-larger-medical-center
#6
Jennifer Lighter-Fisher, Sonya Desai, Anna Stachel, Vinh Philip Pham, Liana Klejmont, Yanina Dubrovskaya
BACKGROUND: Pediatric antimicrobial stewardship programs (ASPs) within larger institutions have unique opportunities to develop programs specialized to the needs of the pediatric program. In January 2013, our institution established a formalized pediatric ASP utilizing the prospective audit and feedback process. In an effort to standardize therapy and improve quality of care, members of the ASP developed evidence-based guidelines for management of common inpatient pediatric infections...
August 16, 2017: Hospital Pediatrics
https://www.readbyqxmd.com/read/28813763/simultaneous-onset-of-deep-vein-thrombosis-pulmonary-embolism-cerebral-infarction-and-myocardial-infarction-in-a-patient-with-patent-foramen-ovale
#7
Jimmy Yee, Vishesh Kumar, Alex Pham, Kashif Shaikh, Muhammad Omar, Adam Stys, Marian Petrasko
Paradoxical embolism is a known complication with intra-cardiac shunts. It should be considered in the differential as the pathophysiologic mechanism of simultaneous thromboembolism in the venous and systemic vasculature. We present a case of simultaneous deep venous thrombosis, pulmonary embolism and myocardial infarction in the presence of a confirmed patent foramen ovale on echocardiography. Thrombolytic therapy was administered. Subsequent concerns of intracranial hemorrhage on imaging of the brain complicated the management and added to the challenge of co-managing the clot burden in our patient...
June 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28812919/comparison-of-primary-and-secondary-enucleation-for-uveal-melanoma
#8
Chau M Pham, Philip L Custer, Steven M Couch
We investigated operative course and post-operative findings of patients undergoing primary enucleation for uveal melanoma versus those requiring secondary enucleation after brachytherapy. A retrospective chart review was performed with IRB approval on patients receiving treatment for uveal melanoma. Patients with enucleation as initial treatment and patients enucleated after plaque brachytherapy were analyzed for demographic data, operative course, and post-enucleation outcome. Further cause analysis for secondary enucleations was investigated...
August 16, 2017: Orbit
https://www.readbyqxmd.com/read/28810115/current-guidelines-on-syncope
#9
Maheedhar Gedela, Naveen Rajpurohit, Kashif A Shaikh, Muhammad Omar, Scott Pham
Syncope is a very commonly encountered clinical problem in general practice and in the emergency department. In the evaluation of syncope, it is important to identify the specific cause to determine the treatment, to estimate the precise risk to a patient, and to reduce recurrence. Sometimes, making a diagnosis of syncope is difficult, as different mechanisms may often coexist. Syncope causes a significant impact on quality of life due to associated risk of physical injury. In particular, syncope can be a precursor to sudden cardiac death in patients with underlying cardiac disease...
November 2016: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28810087/multiple-pulmonary-arteriovenous-malformations-an-unusual-cause-of-shortness-of-breath-and-recurrent-strokes
#10
Kalyan C Potu, Shenjing Li, Shawn C Kelly, Julia A Prescott-Focht, Scott Pham
OBJECTIVE: To discuss an uncommon case of a patient with multiple pulmonary arteriovenous malformations (PAVMs) presenting with dyspnea on exertion and recurrent strokes. BACKGROUND: A 79-year-old woman with recent onset recurrent cerebrovascular accidents (CVAs) was referred to cardiology for evaluation of dyspnea on exertion. Clinical examination was unrevealing. METHODS: A transthoracic echocardiogram (TTE) with agitated saline was suggestive of an extra-cardiac shunt...
February 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28808024/structural-and-functional-studies-of-pyruvate-carboxylase-regulation-by-cyclic-di-amp-in-lactic-acid-bacteria
#11
Philip H Choi, Thu Minh Ngoc Vu, Huong Thi Pham, Joshua J Woodward, Mark S Turner, Liang Tong
Cyclic di-3',5'-adenosine monophosphate (c-di-AMP) is a broadly conserved bacterial second messenger that has been implicated in a wide range of cellular processes. Our earlier studies showed that c-di-AMP regulates central metabolism in Listeria monocytogenes by inhibiting its pyruvate carboxylase (LmPC), a biotin-dependent enzyme with biotin carboxylase (BC) and carboxyltransferase (CT) activities. We report here structural, biochemical, and functional studies on the inhibition of Lactococcus lactis PC (LlPC) by c-di-AMP...
August 14, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28806294/the-tissue-engineered-tendon-bone-interface-in-vitro-and-in-vivo-synergistic-effects-of-adipo-derived-stem-cells-platelet-rich-plasma-and-extracellular-matrix-hydrogel
#12
Rory McGoldrick, Arhana Chattopadhyay, Christopher Crowe, Grace Chiou, Kenneth Hui, Simon Farnebo, Christopher Davis, Anais Le Grand, Molly Jacobs, Hung Pham, James Chang
INTRODUCTION: Suboptimal healing of the tendon bone interface (TBI) remains an unsolved problem. One solution is a biocompatible tissue engineered construct that promotes augmented healing. We hypothesisze that 1.) the presence of Platelet Rich Plasma (PRP) and prolonged in vitro incubation produces tissue engineered tendon bone interface scaffolds with greater reseeding of viable Adipo-derived Stem Cells (ADSC) and 2.) when implanted with extracellular matrix hydrogel, constructs will display superior in vivo strength repair and biocompatibility...
August 3, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28804681/luminol-amplified-chemiluminescence-detects-mainly-superoxide-anion-produced-by-human-neutrophils
#13
Samia Bedouhène, Farida Moulti-Mati, Margarita Hurtado-Nedelec, Pham My-Chan Dang, Jamel El-Benna
Reactive oxygen species (ROS) are produced by numerous biological systems and by several phagocytes such as neutrophils and macrophages. ROS include mostly superoxide anion, hydrogen peroxide, singlet oxygen and hydroxyl radical, which are involved in a variety of biological processes such as immunity, inflammation, apoptosis and cell signaling. Thus, there is a need for a sensitive and reliable method to measure ROS. The luminol-amplified chemiluminescence technique is widely used to measure ROS production by neutrophils; however, it is unclear which ROS species are detected by this technique...
2017: American Journal of Blood Research
https://www.readbyqxmd.com/read/28803076/palliative-care-in-vietnam-long-term-partnerships-yield-increasing-access
#14
Eric L Krakauer, Dang Huy Quoc Thinh, Quach Thanh Khanh, Hoang Thi Mong Huyen, Tran Diep Tuan, Than Ha Ngoc The, Do Duy Cuong, Tran Van Thuan, Nguyen Phi Yen, Pham Van Anh, Nguyen Thi Phuong Cham, Kathleen P Doyle, Nguyen Thi Hai Yen, Luong Ngoc Khue
Palliative care began in Vietnam in 2001, but steady growth in palliative care services and education commenced several years later when partnerships for ongoing training and technical assistance by committed experts were created with the Ministry of Health (MoH), major public hospitals, and medical universities. An empirical analysis of palliative care need by the MoH in 2006 was followed by national palliative care clinical guidelines, initiation of clinical training for physicians and nurses, and revision of opioid prescribing regulations...
August 9, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28801757/dft-study-of-the-interactions-between-thiophene-based-corrosion-inhibitors-and-an-fe4-cluster
#15
Duy Quang Dao, Truong Dinh Hieu, Thong Le Minh Pham, Dinh Tuan, Pham Cam Nam, Ime Bassey Obot
Understanding the physicochemical properties of corrosion inhibitors and their chemical interactions with metal surfaces is crucial to the design of improved (i.e., more efficient) corrosion inhibitors. In this work, the physicochemical properties of six thiophene-based corrosion inhibitors (2-acetylthiophene (AT), 2-formylthiophene (FT), thiophene (Th), 2-methyl-3-thiophenthiol (MTT), 2-pentylthiophene (PT), and 2-thenylthiol (TT)) were systematically studied by performing ab initio calculations at the MP2(full)/6-31G(2df,p) level of theory...
August 11, 2017: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/28800503/intravenous-heroin-use-in-haiphong-vietnam-need-for-comprehensive-care-including-methamphetamine-use-related-interventions
#16
Laurent Michel, Don C Des Jarlais, Huong Duong Thi, Oanh Khuat Thi Hai, Khuê Pham Minh, Marianne Peries, Roselyne Vallo, Thanh Nham Thi Tuyet, Giang Hoang Thi, Mai Le Sao, Jonathan Feelemyer, Vinh Vu Hai, Jean-Pierre Moles, Didier Laureillard, Nicolas Nagot
BACKGROUND: The aim of this study was to describe patterns among people who inject drugs (PWID), risk-related behaviours and access to methadone treatment, in order to design a large-scale intervention aiming to end the HIV epidemic in Haiphong, Vietnam. METHODS: A respondent-driven sampling (RDS) survey was first conducted to identify profiles of drug use and HIV risk-related behaviour among PWID. A sample of PWID was then included in a one-year cohort study to describe access to methadone treatment and associated factors...
August 2, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28796178/epigenetic-regulation-of-adipokines
#17
REVIEW
Tho X Pham, Ji-Young Lee
Adipose tissue expansion in obesity leads to changes in the expression of adipokines, adipocyte-specific hormones that can regulate whole body energy metabolism. Epigenetic regulation of gene expression is a mechanism by which cells can alter gene expression through the modifications of DNA and histones. Epigenetic mechanisms, such as DNA methylation and histone modifications, are intimately tied to energy metabolism due to their dependence on metabolic intermediates such as S-adenosylmethionine and acetyl-CoA...
August 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28795151/kidney-transplantation-in-patients-with-active-multiple-myeloma-case-reports
#18
Erik Lawrence Lum, Neil Kogut, Thu Pham, Gabriel M Danovitch, Suphamai Bunnapradist
Kidney disease is a common complication in patients with multiple myeloma. Traditionally, patients with active multiple myeloma and end-stage renal disease have been excluded from kidney transplantation due to the risk of malignancy progression. The introduction of bortezomib-based therapy for patients with multiple myeloma and renal impairment has significantly improved survival in this population. In this report, we present 2 cases of patients with active and controlled multiple myeloma who underwent successful kidney transplantation without progression of their underlying malignancy...
August 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28792716/a-3-month-old-child-with-acute-gastroenteritis-with-enterovirus-d68-detected-from-stool-specimen
#19
Ngan T K Pham, Aksara Thongprachum, Tsuneyoshi Baba, Shoko Okitsu, Quang D Trinh, Shihoko Komine-Aizawa, Hiroyuki Shimizu, Satoshi Hayakawa, Hiroshi Ushijima
Enterovirus D68 (EV-D68) is known to be causative agent of mild to severe upper and lower respiratory illnesses in sporadic cases and outbreaks. We present a case report of a 3-month-old child with acute gastroenteritis who visited a pediatric clinic in Kyushu area in Japan in 2015. A stool sample collected from the patient was screened for diarrheal viruses by multiplex RT-PCR. The result showed that the sample was positive only for enterovirus, and EV-D68 clade B3 was identified by sequence analysis of the viral protein 1 gene...
July 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28790160/card9-mediates-susceptibility-to-intestinal-pathogens-through-microbiota-modulation-and-control-of-bacterial-virulence
#20
Bruno Lamas, Marie-Laure Michel, Nadine Waldschmitt, Hang-Phuong Pham, Vassiliki Zacharioudaki, Louise Dupraz, Myriam Delacre, Jane M Natividad, Gregory Da Costa, Julien Planchais, Bruno Sovran, Chantal Bridonneau, Adrien Six, Philippe Langella, Mathias L Richard, Mathias Chamaillard, Harry Sokol
OBJECTIVE: In association with innate and adaptive immunity, the microbiota controls the colonisation resistance against intestinal pathogens. Caspase recruitment domain 9 (CARD9), a key innate immunity gene, is required to shape a normal gut microbiota. Card9(-/-) mice are more susceptible to the enteric mouse pathogen Citrobacter rodentium that mimics human infections with enteropathogenic and enterohaemorrhagic Escherichia coli. Here, we examined how CARD9 controls C. rodentium infection susceptibility through microbiota-dependent and microbiota-independent mechanisms...
August 8, 2017: Gut
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