Study: Doctors Who Prescribe More Opioids Make More Money

This study suggests that conflicts of interest with the pharmaceutical industry may influence oncologists in high-stakes treatment decisions for patients with cancer,” the authors concluded. Some studies have looked at whether the amount of money a doctor receives makes a difference. Studies by researchers at Yale University, the George Washington University Milken Institute of Public Health and Harvard Medical School have all found that the more money physicians are paid by pharmaceutical companies, the more likely they are to prescribe certain drugs. Dr. Patrice Harris, a spokeswoman for the American Medical Association, said that the CNN and Harvard data raised “fair questions” but that such analyses show only an association between payments and prescribing habits and don’t prove that one causes the other. It’s “not a cause and effect relationship,” said Harris, chairwoman of the association’s opioid task force, adding that more research should be done on the relationship between payments and prescriptions. “[We] strongly oppose inappropriate, unethical interactions between physicians and industry,” she added. “But we know that not all interactions are unethical or inappropriate.” Harris added that relationships between doctors and industry are ethical and appropriate if they “can help drive innovation in patient care and provide significant resources for professional medical education that ultim...
Source: WBZ-TV - Breaking News, Weather and Sports for Boston, Worcester and New Hampshire - Category: Consumer Health News Authors: Tags: Health News Local TV opioid crisis opioids Source Type: news

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Cytosolic arginine sensor for mTORC1 subunits 1 and 2 (CASTOR1 and CASTOR2) inhibit the mammalian target of rapamycin complex 1 (mTORC1) upon arginine deprivation. mTORC1 regulates cell proliferation, survival, and metabolism and is often dysregulated in cancers, indicating that cancer cells may regulate CASTOR1 and CASTOR2 to control mTORC1 signaling and promote tumorigenesis. mTORC1 is the most effective therapeutic target of Kaposi sarcoma, which is caused by infection with the Kaposi sarcoma–associated herpesvirus (KSHV). Hence, KSHV-induced cellular transformation is a suitable model for investigating mTORC1 reg...
Source: Journal of Clinical Investigation - Category: Biomedical Science Authors: Source Type: research
The presence of tumor-infiltrating T cells is associated with favorable patient outcomes, yet most pancreatic cancers are immunologically silent and resistant to currently available immunotherapies. Here we show using a syngeneic orthotopic implantation model of pancreatic cancer that Pik3ca regulates tumor immunogenicity. Genetic silencing of Pik3ca in KrasG12D/Trp53R172H-driven pancreatic tumors resulted in infiltration of T cells, complete tumor regression, and 100% survival of immunocompetent host mice. By contrast, Pik3ca-null tumors implanted in T cell–deficient mice progressed and killed all of the animals. Ad...
Source: Journal of Clinical Investigation - Category: Biomedical Science Authors: Source Type: research
Glycosylation of immune receptors and ligands, such as T cell receptor and coinhibitory molecules, regulates immune signaling activation and immune surveillance. However, how oncogenic signaling initiates glycosylation of coinhibitory molecules to induce immunosuppression remains unclear. Here we show that IL-6–activated JAK1 phosphorylates programmed death-ligand 1 (PD-L1) Tyr112, which recruits the endoplasmic reticulum–associated N-glycosyltransferase STT3A to catalyze PD-L1 glycosylation and maintain PD-L1 stability. Targeting of IL-6 by IL-6 antibody induced synergistic T cell killing effects when combined...
Source: Journal of Clinical Investigation - Category: Biomedical Science Authors: Source Type: research
Programmed death-1 receptor ligand 1 (PD-L1) is a promising therapeutic target in aggressive cancers. However, immune landscapes and cancer hallmarks of human PD-L1+ tumors as well as their roles in determining therapeutic efficacies are unknown. Here, we showed, in detailed studies of gene data regarding 9769 patients of 32 types of human cancers, that PD-L1 could not exclusively represent the IFN-γ signature and potentially signified proinflammatory myeloid responses in a tumor. PD-L1 heterogeneity endowed by local immune landscapes controlled cancer hallmarks and clinical outcomes of patients. Mechanically, NF-&ka...
Source: Journal of Clinical Investigation - Category: Biomedical Science Authors: Source Type: research
Publication date: Available online 14 July 2019Source: Colloids and Surfaces A: Physicochemical and Engineering AspectsAuthor(s): Ying Wang, Jingwen Chen, Qianqian Han, Qiang Luo, Hongmei Zhang, Yanqing WangAbstractLentinan(LNT) has many kinds of pharmacological activities such as antioxidative activities, hypoglycemic effect, anti-hyperlipidemic effect and so on. Here, LNT was used as the skeleton material to couple with doxorubicin(DOX) by forming the LNT–DOX conjugates in order to enhance anticancer effects and reduce the systemic side effects of DOX. Based on the screening results, we observed that LNT can acted ...
Source: Colloids and Surfaces A: Physicochemical and Engineering Aspects - Category: Chemistry Source Type: research
ABSTRACT In this work the applicability of a natural volcanic glass (technological type I material) from Cuba is investigated as adsorbent for separation of mixtures of C1-(C5; C6; C7; C8; C9) hydrocarbons by inverse gas chromatography under fl ow conditions in a temperature range of 328-343 K. The experimental results indicated that the material was mainly composed of silica and, in a lower proportion, of alumina, that provided surface Si-OH and Al-OH groups to favor the interaction and separation of the different components of paraffin mixtures. In fact, the calculated heats of adsorption were high enough to facilitate ...
Source: Brazilian Journal of Chemical Engineering - Category: Chemistry Source Type: research
ABSTRACT Duguetia furfuracea (Annonaceae) is a shrub found in the Brazilian Cerrado that is used in popular medicine as an antirheumatic, for wound healing, treatment of kidney pain and against pediculosis. The aim of this study was to analyze the extraction of leaves of Duguetia furfuracea, using supercritical CO2, ethanol and hexane as solvents. For the supercritical extraction, an experimental planning 23 with triplicates of the central point was used to evaluate the effects of temperature (313-333 K), pressure (15-23 MPa) and volumetric flow rate (3-6 mL min-1) on the extraction yield, total phenolic content and antiox...
Source: Brazilian Journal of Chemical Engineering - Category: Chemistry Source Type: research
Abstract Brazil is a country of continental dimensions and most genetic services are concentrated in the Southeast and South, including the Medical Genetics Service of the Hospital de Cl ínicas de Porto Alegre (MGS/HCPA). As many areas on the country do not have adequate medical genetics support, networks were designed to extend the service of the MGS/HCPA reference center. This paper presents the information and diagnosis networks that have their headquarters at MGS/HCPA: SIAT (Na tional Information System on Teratogenic Agents), SIEM (Information Service on Inborn Errors of Metabolism), Alô Genética (...
Source: Genetics and Molecular Biology - Category: Genetics & Stem Cells Source Type: research
Abstract Germline mutations in BRCA1 and BRCA2 (BRCA) genes confer high risk of developing cancer, especially breast and ovarian tumors. Since the cloning of these tumor suppressor genes over two decades ago, a significant amount of research has been done. Most recently, monoallelic loss-of-function mutations in PALB2 have also been shown to increase the risk of breast cancer. The identification of BRCA1, BRCA2 and PALB2 as proteins involved in DNA double-strand break repair by homologous recombination and of the impact of complete loss of BRCA1 or BRCA2 within tumors have allowed the development of novel therapeutic appro...
Source: Genetics and Molecular Biology - Category: Genetics & Stem Cells Source Type: research
In this study, our aim was to compare the Gail and Tyrer-Cuzick models after initial screening for familial history of cancer in primary care using the FHS-7 questionnaire. We compared 846 unrelated women with at least one positive answer to any of the seven FHS-7 questions (positive group) and 892 unrelated women that answered negatively (negative group). Concordance between BC risk estimates was compared by Bland-Altman graphics. Mean BC risk estimates were higher using the Tyrer-Cuzick Model in women from the positive group, while women from the negative group had higher BC risk estimates using the Gail model. With incr...
Source: Genetics and Molecular Biology - Category: Genetics & Stem Cells Source Type: research
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