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Articles 1 - 9 of 9
Full-Text Articles in Chemicals and Drugs
Proton Pump Inhibitors Increase The Severity Of Hepatic Encephalopathy In Cirrhotic Patients, Matthew J. Fasullo, Prashanth Rau, Dong-Qi Liu, Erik Holzwanger, Jomol Mathew, Yurima Guilarte-Walker, Gyongyi Szabo
Proton Pump Inhibitors Increase The Severity Of Hepatic Encephalopathy In Cirrhotic Patients, Matthew J. Fasullo, Prashanth Rau, Dong-Qi Liu, Erik Holzwanger, Jomol Mathew, Yurima Guilarte-Walker, Gyongyi Szabo
Gyongyi Szabo
BACKGROUND: Liver cirrhosis is the late stage of hepatic fibrosis and is characterized by portal hypertension that can clinically lead to decompensation in the form of ascites, esophageal/gastric varices or encephalopathy. The most common sequelae associated with liver cirrhosis are neurologic and neuropsychiatric impairments labeled as hepatic encephalopathy (HE). Well established triggers for HE include infection, gastrointestinal bleeding, constipation, and medications. Alterations to the gut microbiome is one of the leading ammonia producers in the body, and therefore may make patients more susceptible to HE.
AIM: To investigate the relationship between the use of proton pump inhibitors (PPIs) and HE …
Theaflavin-3, 3'-Digallate Decreases Human Ovarian Carcinoma Ovcar-3 Cell-Induced Angiogenesis Via Akt And Notch-1 Pathways, Not Via Mapk Pathways, Ying Gao, Gary O. Rankin, Youying Tu, Yi Charlie Chen
Theaflavin-3, 3'-Digallate Decreases Human Ovarian Carcinoma Ovcar-3 Cell-Induced Angiogenesis Via Akt And Notch-1 Pathways, Not Via Mapk Pathways, Ying Gao, Gary O. Rankin, Youying Tu, Yi Charlie Chen
Gary O. Rankin
Theaflavin-3, 3'-digallate (TF3) is a black tea polyphenol produced from polymerization and oxidization of the green tea ployphenols epicatechin gallate and (-)-epigallocatechin-3-gallate (EGCG) during fermentation of fresh tea leaves. TF3 has been reported to have anticancer properties. However, the effect of TF3 on tumor angiogenesis and the underlying mechanisms are not clear. In the present study, TF3 was verified to inhibit tumor angiogenesis. Compared with EGCG, TF3 was more potent. TF3 inhibited human ovarian carcinoma OVCAR-3 cell-induced angiogenesis in human umbilical vein endothelial cell model and in chick chorioallantoic membrane model. TF3 reduced tumor angiogenesis by downregulating HIF-1α and VEGF. …
Essentials Of Herb-Drug Interactions In The Elderly With Cardiovascular Disease, Sulaiman Sultan, Maria Viqar, Rabaiya Ali, A. Jamil Tajik, Arshad Jahangir
Essentials Of Herb-Drug Interactions In The Elderly With Cardiovascular Disease, Sulaiman Sultan, Maria Viqar, Rabaiya Ali, A. Jamil Tajik, Arshad Jahangir
Arshad Jahangir, MD
As the number of individuals, particularly the elderly, using herbal products with prescription drugs continues to grow, the risk for adverse interactions increases but remains poorly recognized. The true incidence and nature of adverse herb reactions or herb-drug interactions remains unknown since no postmarketing surveillance mechanism exists. Adverse events are greatly underreported, and information regarding safety mainly comes from case reports and suboptimally conducted studies in a limited number of healthy young volunteers or patients with limited comorbidities. Therefore, convincing evidence for the safety of herbal products in the elderly is lacking, and the true magnitude of problems that herb-drug …
Antipsychotic Use In Nursing Homes Varies By Psychiatric Consultant, Jennifer Tjia, Terry Field, Celeste Lemay, Kathleen Mazor, Michelle Pandolfi, Ann Spenard, Shih-Yieh Ho, Abir Kanaan, Jennifer Donovan, Jerry Gurwitz, Becky Briesacher
Antipsychotic Use In Nursing Homes Varies By Psychiatric Consultant, Jennifer Tjia, Terry Field, Celeste Lemay, Kathleen Mazor, Michelle Pandolfi, Ann Spenard, Shih-Yieh Ho, Abir Kanaan, Jennifer Donovan, Jerry Gurwitz, Becky Briesacher
Jennifer Tjia
BACKGROUND: The relationship between psychiatric consultation and antipsychotic prescribing in nursing homes (NH) is unknown. OBJECTIVE: To identify the association between psychiatric consultant groups and NH-level antipsychotic prescribing after adjustment for resident case-mix and facility characteristics. RESEARCH DESIGN AND SUBJECTS: Nested cross-sectional study of 60 NHs in a cluster randomized trial. We linked facility leadership surveys to October 2009-September 2010 Minimum Data Set, Nursing Home Compare, the US Census, and pharmacy dispensing data. MEASURES: The main exposure is the psychiatric consultant group and the main outcome is NH-level prevalence of atypical antipsychotic use. We calculated annual means and interquartile ranges …
System Dynamics Modeling Of Medical Use, Nonmedical Use And Diversion Of Prescription Opioid Analgesics, Wayne W. Wakeland, Teresa D. Schmidt, J. David Haddox
System Dynamics Modeling Of Medical Use, Nonmedical Use And Diversion Of Prescription Opioid Analgesics, Wayne W. Wakeland, Teresa D. Schmidt, J. David Haddox
Wayne W. Wakeland
A dramatic rise in the nonmedical of pharmaceutical opioids has presented the United States with a substantial public health problem. Nonmedical use of prescription pain relievers has become increasingly prevalent in the US over the last two decades, and diversion of medicines obtained by prescription is assumed to be a major source of supply for nonmedical opioid use. Policymakers striving to protect population health by ameliorating the adverse outcomes of nonmedical use of opioid analgesics could benefit from a systems-level model which reflects the complexity of the system and incorporates the full range of available data. To address this need, …
Medical Oxymoron Or Necessary Prevention Of Repeat Sex Offenses: An Examination Of The Appropriateness Of Existing Chemical Castration Statutes, Robert Watters
Medical Oxymoron Or Necessary Prevention Of Repeat Sex Offenses: An Examination Of The Appropriateness Of Existing Chemical Castration Statutes, Robert Watters
Robert Watters
The current chemical castration statutes in six states are full of logical constitutional, medical and ethical questions and concerns. The basis for the criticism can be traced to how the schemes were developed compared to the those used in Europe. The castration statutes enacted after long trial and error periods are, therefore, easily discernible from those signed into law quickly as a reaction to some outside event.
A Shot In Arm: Can Chemical Castration Statutes Cure Sex Offenders Legally And Ethically?, Robert Watters
A Shot In Arm: Can Chemical Castration Statutes Cure Sex Offenders Legally And Ethically?, Robert Watters
Robert Watters
At least seven states have chemical castration statutes to combat recidivist sex offenders. This article is an examination of the appropriateness and effectiveness of those statutes as against the successful European models.
Spatiotemporal Effects Of A Controlled-Release Anti-Inflammatory Drug On The Cellular Dynamics Of Host Response, Tram T. Dang, Kaitlin M. Bratlie, Said R. Bogatyrev, Xiao Chen, Robert Langer, Daniel G. Anderson
Spatiotemporal Effects Of A Controlled-Release Anti-Inflammatory Drug On The Cellular Dynamics Of Host Response, Tram T. Dang, Kaitlin M. Bratlie, Said R. Bogatyrev, Xiao Chen, Robert Langer, Daniel G. Anderson
Kaitlin M. Bratlie
In general, biomaterials induce a non-specific host response when implanted in the body. This reaction has the potential to interfere with the function of the implanted materials. One method for controlling the host response is through local, controlled-release of anti-inflammatory agents. Herein, we investigate the spatial and temporal effects of an anti-inflammatory drug on the cellular dynamics of the innate immune response to subcutaneously implanted poly(lactic-co-glycolic) microparticles. Noninvasive fluorescence imaging was used to investigate the influence of dexamethasone drug loading and release kinetics on the local and systemic inhibition of inflammatory cellular activities. Temporal monitoring of host response showed that …
Real-Time In Vivo Detection Of Biomaterial-Induced Reactive Oxygen Species, Minglin Ma, Wendy F. Liu, Kaitlin M. Bratlie, Tram Dang, Robert Langer, Daniel G. Anderson
Real-Time In Vivo Detection Of Biomaterial-Induced Reactive Oxygen Species, Minglin Ma, Wendy F. Liu, Kaitlin M. Bratlie, Tram Dang, Robert Langer, Daniel G. Anderson
Kaitlin M. Bratlie
The non-specific host response to implanted biomaterials is often a key challenge of medical device design. To evaluate biocompatibility, measuring the release of reactive oxygen species (ROS) produced by inflammatory cells in response to biomaterial surfaces is a well-established method. However, the detection of ROS in response to materials implanted in vivo has not yet been demonstrated. Here, we develop a bioluminescence whole animal imaging approach to observe ROS released in response to subcutaneously-implanted materials in live animals. We compared the real-time generation of ROS in response to two representative materials, polystyrene and alginate, over the course of 28 days. …