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https://www.readbyqxmd.com/read/27906510/thermohydrogel-containing-melanin-for-photothermal-cancer-therapy
#1
Miri Kim, Hyun Soo Kim, Min Ah Kim, Hyanghwa Ryu, Hwan-Jeong Jeong, Chang-Moon Lee
Melanin is an effective absorber of light and can extend to near infrared (NIR) regions. In this study, a natural melanin is presented as a photothermal therapeutic agent (PTA) because it provides a good photothermal conversion efficiency, shows biodegradability, and does not induce long-term toxicity during retention in vivo. Poloxamer solution containing melanin (Pol-Mel) does not show any precipitation and shows sol-gel transition at body temperature. After irradiation from 808 nm NIR laser at 1.5 W cm(-2) for 3 min, the photothermal conversion efficiency of Pol-Mel is enough to kill cancer cells in vitro and in vivo...
December 1, 2016: Macromolecular Bioscience
https://www.readbyqxmd.com/read/27906472/long-term-clinical-impact-and-cost-effectiveness-of-obeticholic-acid-for-the-treatment-of-primary-biliary-cholangitis
#2
Sumeyye Samur, Matthew Klebanoff, Reiner Banken, Daniel S Pratt, Rick Chapman, Daniel A Ollendorf, Anne M Loos, Kathleen Corey, Chin Hur, Jagpreet Chhatwal
: Primary biliary cholangitis (PBC) is a chronic, progressive autoimmune liver disease that mainly affects middle-aged women. Obeticholic acid (OCA), which was recently approved by the Food and Drug Administration for PBC treatment, has demonstrated positive effects on biochemical markers of liver function. Our objective was to evaluate the long-term clinical impact and cost-effectiveness of OCA as a second-line treatment for PBC in combination with ursodeoxycholic acid (UDCA) in adults with an inadequate response to UDCA...
November 7, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27905838/engineering-hiv-specific-immunity-with-chimeric-antigen-receptors
#3
Scott G Kitchen, Jerome A Zack
HIV remains a highly important public health and clinical issue despite many recent advances in attempting to develop a cure, which has remained elusive for most people infected with HIV. HIV disease can be controlled with pharmacologic therapies; however, these treatments are expensive, may have severe side effects, and are not curative. Consequently, an improved means to control or eliminate HIV replication is needed. Cytotoxic T lymphocytes (CTLs) play a critical role in controlling viral replication and are an important part in the ability of the immune response to eradicate most viral infections...
December 2016: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/27905569/shikonin-induces-mitochondria-mediated-apoptosis-and-enhances-chemotherapeutic-sensitivity-of-gastric-cancer-through-reactive-oxygen-species
#4
Wenquan Liang, Aizhen Cai, Guozhu Chen, Hongqing Xi, Xiaosong Wu, Jianxin Cui, Kecheng Zhang, Xudong Zhao, Jiyun Yu, Bo Wei, Lin Chen
The prognosis of gastric cancer remains poor due to clinical drug resistance. Novel drugs are urgently needed. Shikonin (SHK), a natural naphthoquinone, has been reported to trigger cell death and overcome drug resistance in anti-tumour therapy. In this study, we investigated the effectiveness and molecular mechanisms of SHK in treatment with gastric cancer. In vitro, SHK suppresses proliferation and triggers cell death of gastric cancer cells but leads minor damage to gastric epithelial cells. SHK induces the generation of intracellular reactive oxygen species (ROS), depolarizes the mitochondrial membrane potential (MMP) and ultimately triggers mitochondria-mediated apoptosis...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27905363/-sleep-disorders-in-the-early-stage-of-parkinson-s-disease-in-untreated-patients
#5
N A Amosova, I G Smolentseva, P M Guseinova, O A Maslyuk, E L Gavrilov
Disorders of sleep and wakefulness occur in about 60-98% of patients with Parkinson's disease (PD). The majority of research on the scale and nature of the disorders was performed in patients treated with antiparkinsonian drugs, and, therefore, the true picture of sleep disorders was interfering with side effects of therapy. The spectrum of these disorders in PD patients is broad and includes insomnia, parasomnia and hypersomnia. The main symptoms of insomnia are difficulty in maintaining sleep, associated with nocturia, rapid eye movement (REM) sleep behavior disorder (RBD), night cramps, akinesia and tremor...
2016: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/27905361/-heterogeneity-of-excessive-daytime-sleepiness-in-parkinson-s-disease
#6
O V Babkina, M G Poluektov, O S Levin
For the recent years, a special attention is given to the non-motor symptoms of Parkinson's disease, including sleep/wake disorders representing one of the leading symptoms. Daytime sleepiness occurs in 30-55% of patients depending on duration and stage of the disease, leading to severe maladjustment. This symptom seems to be multifactorial by nature and identification of it's causes could have a great importance for the therapy. The main factors of the development of daytime sleepiness in Parkinson's disease and key points of the pathogenesis of «primary» daytime sleepiness are discussed...
2016: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/27903929/a-comparison-of-outcomes-of-particulated-juvenile-articular-cartilage-and-bone-marrow-aspirate-concentrate-for-articular-cartilage-lesions-of-the-talus
#7
Nathan S Lanham, John J Carroll, Minton T Cooper, Venkat Perumal, Joseph S Park
Background Articular cartilage lesions of the talus remain a challenging clinical problem because of the lack of natural regeneration and limited treatment options. Microfracture is often the first-line therapy, however lesions larger than 1.5 cm(2) have been shown to not do as well with this treatment method. Methods The objective of this retrospective study was to evaluate the outcomes of iliac crest bone marrow aspirate concentrate/collagen scaffold (ICBMA) and particulated juvenile articular cartilage (PJAC) for larger articular cartilage lesions of the talus...
November 30, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/27903272/inhibition-of-bromodomain-and-extra-terminal-bet-proteins-increases-nkg2d-ligand-mica-expression-and-sensitivity-to-nk-cell-mediated-cytotoxicity-in-multiple-myeloma-cells-role-of-cmyc-irf4-mir-125b-interplay
#8
Maria Pia Abruzzese, Maria Teresa Bilotta, Cinzia Fionda, Alessandra Zingoni, Alessandra Soriani, Elisabetta Vulpis, Cristiana Borrelli, Beatrice Zitti, Maria Teresa Petrucci, Maria Rosaria Ricciardi, Rosa Molfetta, Rossella Paolini, Angela Santoni, Marco Cippitelli
BACKGROUND: Anti-cancer immune responses may contribute to the control of tumors after conventional chemotherapy, and different observations have indicated that chemotherapeutic agents can induce immune responses resulting in cancer cell death and immune-stimulatory side effects. Increasing experimental and clinical evidence highlight the importance of natural killer (NK) cells in immune responses toward multiple myeloma (MM), and combination therapies able to enhance the activity of NK cells against MM are showing promise in treating this hematologic cancer...
December 1, 2016: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/27903181/prognostic-factors-for-melanoma-brain-metastases-treated-with-stereotactic-radiosurgery
#9
Shelly X Bian, David Routman, Jonathan Liu, Dongyun Yang, Susan Groshen, Gabriel Zada, Nicholas Trakul, Michael K Wong, Cheng Yu, Eric L Chang
OBJECTIVE Stereotactic radiosurgery (SRS) is routinely used to treat brain metastases from melanoma due to their radioresistant nature. The median survival for these patients is 4-6 months, according to earlier studies. The aim of this study was to evaluate prognostic factors that influence survival in patients with metastatic melanoma to the brain treated with SRS. METHODS This retrospective analysis included all patients with melanoma brain metastases treated with SRS at the University of Southern California between 1994 and 2015...
December 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27903149/obesity-and-breast-cancer-prognosis-evidence-challenges-and-opportunities
#10
Sao Jiralerspong, Pamela J Goodwin
Purpose To summarize the evidence of an association between obesity and breast cancer prognosis. Methods We reviewed the literature regarding overweight and obesity and breast cancer survival outcomes, overall and with regard to breast cancer subtypes, breast cancer therapies, biologic mechanisms, and possible interventions. We summarize our findings and provide clinical management recommendations. Results Obesity is associated with a 35% to 40% increased risk of breast cancer recurrence and death and therefore poorer survival outcomes...
December 10, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27903122/management-and-outcome-of-recurrent-adult-craniopharyngiomas-an-analysis-of-42-cases-with-long-term-follow-up
#11
Mazda K Turel, Georgios Tsermoulas, Lior Gonen, George Klironomos, Joao Paulo Almeida, Gelareh Zadeh, Fred Gentili
OBJECTIVE The treatment of recurrent and residual craniopharyngiomas is challenging. In this study the authors describe their experience with these tumors and make recommendations on their management. METHODS The authors performed an observational study of adult patients (≥ 18 years) with recurrent or residual craniopharyngiomas that were managed at their tertiary center. Retrospective data were collected on demographics and clinical, imaging, and treatment characteristics from patients who had a minimum 2-year follow-up...
December 2016: Neurosurgical Focus
https://www.readbyqxmd.com/read/27902638/the-pathophysiology-of-geographic-atrophy-secondary-to-age-related-macular-degeneration-and-the-complement-pathway-as-a-therapeutic-target
#12
David S Boyer, Ursula Schmidt-Erfurth, Menno van Lookeren Campagne, Erin C Henry, Christopher Brittain
PURPOSE: Geographic atrophy (GA) is an advanced, vision-threatening form of age-related macular degeneration (AMD) affecting approximately five million individuals worldwide. To date, there are no approved therapeutics for GA treatment; however, several are in clinical trials. This review focuses on the pathophysiology of GA, particularly the role of complement cascade dysregulation and emerging therapies targeting the complement cascade. METHODS: Primary literature search on PubMed for GA, complement cascade in age-related macular degeneration...
November 29, 2016: Retina
https://www.readbyqxmd.com/read/27900987/effect-of-half-dose-and-standard-dose-conjugated-equine-estrogens-combined-with-natural-progesterone-or-dydrogesterone-on-components-of-metabolic-syndrome-in-healthy-postmenopausal-women-a-randomized-controlled-trial
#13
Wei Xue, Yan Deng, Yan-Fang Wang, Ai-Jun Sun
BACKGROUND: Menopausal hormone therapy (MHT) has been proven to have beneficial effects on several components of metabolic syndrome. However, the effects vary according to different regimens, dosages, and duration of MHT. The aim of the study was to evaluate the effect of standard-dose 0.625 mg conjugated equine estrogen (CEE) and half-dose 0.3 mg CEE daily with different progestogens in a continuous sequential regimen on postmenopausal metabolic parameters in generally healthy postmenopausal women...
2016: Chinese Medical Journal
https://www.readbyqxmd.com/read/27900883/radioactivity-of-natural-medicinal-preparations-contained-extracts-from-peat-mud-available-in-retail-trade-used-externally
#14
Maria Karpińska, Jacek Kapała, Agnieszka Raciborska, Grzegorz Kulesza, Anna Milewska, Stanisław Mnich
In this work were identified and measured the activity of radioactive isotopes present in medicinal preparations from peat mud and estimated the doses obtained from them during therapy. Radioactivity of 22 preparations from peat mud and 20 water samples from water of the North-East region of Poland was studied. The median of the total activity was 24.8 Bq kg(-1). Total maximal isotope activity was observed in the Iwonicka Cube 146 Bq kg(-1) while considerable amounts of isotopes were found in the Kolobrzeska Peat Mud Paste 112 Bq kg(-1)...
November 30, 2016: Natural Product Research
https://www.readbyqxmd.com/read/27900726/survey-on-german-palliative-care-specialists-experiences-with-advance-directives
#15
Julia Zenz, Michael Zenz
INTRODUCTION: Advance directives (AD) play a central role in end-of-life treatments, intensive care, and palliative care. However, little is known about the experiences of healthcare professionals with ADs. This study reports on palliative care professionals' views on advance directives (AD). METHODS: A questionnaire was handed out to attendants of a palliative care symposium. RESULTS: Complete answers were obtained from 126 physicians and 276 nurses...
November 29, 2016: Pain and Therapy
https://www.readbyqxmd.com/read/27900346/preclinical-development-and-qualification-of-zfn-mediated-ccr5-disruption-in-human-hematopoietic-stem-progenitor-cells
#16
David L DiGiusto, Paula M Cannon, Michael C Holmes, Lijing Li, Anitha Rao, Jianbin Wang, Gary Lee, Philip D Gregory, Kenneth A Kim, Samuel B Hayward, Kathleen Meyer, Colin Exline, Evan Lopez, Jill Henley, Nancy Gonzalez, Victoria Bedell, Rodica Stan, John A Zaia
Gene therapy for HIV-1 infection is a promising alternative to lifelong combination antiviral drug treatment. Chemokine receptor 5 (CCR5) is the coreceptor required for R5-tropic HIV-1 infection of human cells. Deletion of CCR5 renders cells resistant to R5-tropic HIV-1 infection, and the potential for cure has been shown through allogeneic stem cell transplantation with naturally occurring homozygous deletion of CCR5 in donor hematopoietic stem/progenitor cells (HSPC). The requirement for HLA-matched HSPC bearing homozygous CCR5 deletions prohibits widespread application of this approach...
2016: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/27900064/enzalutamide-induced-acute-generalized-exanthematous-pustulosis
#17
Chloé Alberto, Maria Polina Konstantinou, Catherine Martinage, Eline Casassa, Emilie Tournier, Haleh Bagheri, Vincent Sibaud, Loïc Mourey, Juliette Mazereeuw-Hautier, Nicolas Meyer, Carle Paul, Cristina Bulai Livideanu
INTRODUCTION: Enzalutamide (Xtandi®) is a new potent inhibitor of the signaling pathway for the androgen receptor with a half-life of 5.8 days. It has been on the market for the treatment of metastatic castration-resistant prostate cancer since November 2013. OBJECTIVE: We report the first case of acute generalized exanthematous pustulosis (AGEP) induced by enzalutamide. OBSERVATION: A 62-year-old male patient with no significant medical history, was diagnosed in April 2014 with metastatic prostatic adenocarcinoma...
November 13, 2016: Journal of Dermatological Case Reports
https://www.readbyqxmd.com/read/27899820/inhibition-of-hedgehog-dependent-tumors-and-cancer-stem-cells-by-a-newly-identified-naturally-occurring-chemotype
#18
Paola Infante, Romina Alfonsi, Cinzia Ingallina, Deborah Quaglio, Francesca Ghirga, Ilaria D'Acquarica, Flavia Bernardi, Laura Di Magno, Gianluca Canettieri, Isabella Screpanti, Alberto Gulino, Bruno Botta, Mattia Mori, Lucia Di Marcotullio
Hedgehog (Hh) inhibitors have emerged as valid tools in the treatment of a wide range of cancers. Indeed, aberrant activation of the Hh pathway occurring either by ligand-dependent or -independent mechanisms is a key driver in tumorigenesis. The smoothened (Smo) receptor is one of the main upstream transducers of the Hh signaling and is a validated target for the development of anticancer compounds, as underlined by the FDA-approved Smo antagonist Vismodegib (GDC-0449/Erivedge) for the treatment of basal cell carcinoma...
September 22, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27899815/obesity-in-ibd-epidemiology-pathogenesis-disease-course-and-treatment-outcomes
#19
REVIEW
Siddharth Singh, Parambir S Dulai, Amir Zarrinpar, Sonia Ramamoorthy, William J Sandborn
Incidence of IBD is rising in parallel with overweight and obesity. Contrary to conventional belief, about 15-40% of patients with IBD are obese, which might contribute to the development of IBD. Findings from cross-sectional and retrospective cohort studies are conflicting on the effect of obesity on natural history and course of IBD. Most studies are limited by small sample size, low event rates, non-validated assessment of disease activity and lack robust longitudinal follow-up and have incomplete adjustment for confounding factors...
November 30, 2016: Nature Reviews. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/27899359/how-i-treat-atypical-chronic-myeloid-leukemia
#20
Jason Gotlib
Atypical chronic myeloid leukemia, BCR-ABL1-negative (aCML) is a rare myelodysplastic syndrome/myeloproliferative neoplasm for which no current standard of care exists. The challenges of atypical CML relate to its heterogeneous clinical and genetic features, high rate of transformation to acute myeloid leukemia, and historically poor survival. Therefore, allogeneic hematopoietic stem cell transplantation should always be an initial consideration for eligible patients with a suitable donor. Non-transplant approaches for treating aCML have otherwise largely relied on adopting treatment strategies used for MDS and MPN...
November 29, 2016: Blood
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