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© 2020 The Author(s).Illicit fentanyl occurrence in Los Angeles, California has increased along with the emergence of several fentanyl analogues (fentalogs). The following two case studies address the original identification of cyclopropyl fentanyl in cases investigated by the Los Angeles County Department of Medical Examiner-Coroner in the summer of 2017. In the first case study, cyclopropyl fentanyl was the only drug detected in the decedent's system and was also identified in medical evidence collected at the death scene. Medical evidence is classified as any medical device, prescription(s), drug(s) and/or paraphernalia collected by the Los Angeles Medical Examiner-Coroner. Birabresib The decedent in the second case study had multiple drugs present in combination with 14 ng/mL of cyclopropyl fentanyl. However, cyclopropyl fentanyl was not identified in any of the collected medical evidence. Both deaths were classified as Accidental due to Effects of cyclopropyl fentanyl (and/or other drugs). Due to limitations in screening methodology, it is possible to overlook fentalogs. Therefore, it is important to be hyper vigilant when assessing negative toxicology results or when many other drugs are also found. Maintaining adequate and up-to-date library databases, along with constant drug monitoring, and validation of new methodologies can help identify Novel Psychoactive Substances (NPS) as they emerge. However, many of the fentalogs are only prevalent for a short amount of time as they are constantly changing to avoid detection and criminality. No other fatal cyclopropyl fentanyl cases have been identified in Los Angeles County Medical Examiner-Coroner cases since the fall 2017. © The Author(s) 2020. Published by Oxford University Press. All rights reserved. For Permissions, please email [email protected] Advanced radiotherapeutic treatment techniques limit the cognitive morbidity associated with whole-brain radiotherapy (WBRT) for brain metastasis through avoidance of hippocampal structures. However, achieving durable intracranial control remains challenging. METHODS We conducted a single-institution single-arm phase II trial of hippocampal-sparing whole brain irradiation with simultaneous integrated boost (HSIB-WBRT) to metastatic deposits in adult patients with brain metastasis. Radiation therapy consisted of Intensity-Modulated Radiation Therapy delivering 20 Gy in 10 fractions over 2-2.5 weeks to the whole brain with a simultaneous integrated boost of 40 Gy in 10 fractions to metastatic lesions. Hippocampal regions were limited to 16 Gy. Cognitive performance and cancer outcomes were evaluated. RESULTS A total of 50 patients, median age of 60 years (IQR 54-65), were enrolled. Median progression free survival was 2.9 months (95% CI 1.5-4.0) and overall survival was 9 months. As expected, poor suThe Author(s) 2020. Published by Oxford University Press on behalf of the Society for Neuro-Oncology. All rights reserved. For permissions, please e-mail [email protected] factor erythroid 2-related factor 2 (NRF2) is a master transcriptional regulator of genes whose products defend our cells for toxic and oxidative insults. Although NRF2 activation may reduce cancer risk by suppressing oxidative stress and tumor promoting inflammation, many cancers exhibit elevated NRF2 activity either due to mutations that disrupt the negative control of NRF2 activity or other factors. Importantly, NRF2 activation is associated with poor prognosis and NRF2 has turned out to be a key activator of cancer supportive anabolic metabolism. In this review, we summarize the diverse roles played by NRF2 in cancer focusing on metabolic reprogramming and tumor-promoting inflammation. © The Author(s) 2020. Published by Oxford University Press. All rights reserved. For Permissions, please email [email protected] To observe the restraining effect of IL-38 on inflammatory response in collagen-induced arthritis rats (CIA), and to explore the regulatory mechanism of SIRT1/HIF-1α signaling pathway. METHODS 40 SD rats were randomly divided into Control group, CIA group, CLL group and CLH group, with 10 rats in each group; CIA rat model was established; The effects of IL-38 on arthritis index, inflammatory response, osteogenic factor and angiogenic factor were observed by methods including HE staining, ELISA, Immunohistochemical and immunofluorescence. Human synoviocytes were cultured in vitro, and SIRT1 inhibitors were added to detect the expression for relating factors of SIRT1/HIF-1α signaling pathway by Western blot. RESULTS IL-38 could alleviate CIA joint damage and restrain inflammatory response, up-regulate the expression of OPG in CIA rats and down-regulate the expression of RANKL and RANK; IL-38 could restrain the expression of VEGF, VEGFR1, VEGFR2 and HIF. Moreover, we found that IL-38 could upregulate the SIRT1 expression and down-regulate the HIF-1α, TLR4 and NF-KB p65 expression in CLL group and CLH group. The treatment of synoviocytes to simulate the CIA model and the treatment of SIRT1 inhibitors, we demonstrated that the inhibitory effect of IL38 on inflammatory factors as well as regulation of SIRT1/HIF-1α signaling pathway-related proteins were inhibited. CONCLUSION IL-38 can restrain the inflammatory response of CIA rats, promote the expression of osteogenic factors, inhibit neovascularization, and alleviate joint damage in rats. The mechanism may be related to the regulation of SIRT1/HIF-1α signaling pathway. Copyright 2020 The Author(s).BACKGROUND The increasing incidence of skin cancers poses a burden to health care systems. General practitioners (GPs) play an important role in triaging these diseases and referring relevant patients to specialists. It is challenging to distinguish benign from malignant skin lesions, and GPs may benefit from diagnostic support from teledermoscopy (TD). OBJECTIVES To assess whether the introduction of TD in general practice was feasible and might reduce the number of unnecessary referrals to specialists and to assess the diagnostic accuracy and confidence of participating GPs. METHODS Fifty general practices in Southern Denmark participated. Adult patients presenting to their GP with suspected skin cancer could be included. Images including dermoscopy were taken by the GP and sent for evaluation by specialized dermatologists at a university hospital. Patients were simultaneously referred for a face-to-face evaluation at the university hospital. Diagnoses proposed by the GPs and by TD were compared to the final diagnoses obtained by histopathology or, if not available, face-to-face evaluation.
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