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https://www.readbyqxmd.com/read/28927103/lack-of-chemopreventive-efficacy-of-metformin-in-rodent-models-of-urinary-bladder-head-and-neck-and-colon-intestine-cancer
#1
Matthew D Thompson, Ronald A Lubet, David L Mccormick, Margie L Clapper, Ann M Bode, M Margaret Juliana, Fariba Moeinpour, Clinton J Grubbs
Metformin is a biguanide employed in treating type II diabetes. Its potential efficacy for treating cancer has been demonstrated epidemiologically (lower cancer incidence in metformin users compared with users of sulfonylureas or insulin) and mechanistically, primarily in cell culture. Metformin decreases the levels of insulin-like growth factor 1 and secondarily inhibits the mammalian target of rapamycin pathway to exhibit anticancer effects. The current study examined its cancer preventive efficacy in multiple standard in situ arising cancer models...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28926189/environmental-peer-pressure-cd4-t-cell-help-in-tolerance-and-transplantation
#2
REVIEW
Dana Tedesco, Arash Grakoui
The liver participates in a multitude of metabolic functions that are critical for sustaining human life. Despite constant encounters with antigenic-rich intestinal blood, oxidative stress and metabolic intermediates, there is no appreciable immune response. Interestingly, patients undergoing orthotopic liver transplantation benefit from a high rate of graft acceptance in comparison to other solid organ transplant recipients. In fact, co-transplantation of a donor liver in tandem with a rejection-prone graft increases the likelihood of graft acceptance...
September 19, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28925992/efficacy-of-combining-ing4-and-trail-genes-in-cancer-targeting-gene-virotherapy-strategy-first-evidence-in-preclinical-hepatocellular-carcinoma
#3
A G El-Shemi, A M Ashshi, E Oh, B-K Jung, M Basalamah, A Alsaegh, C-O Yun
Current treatments of hepatocellular carcinoma (HCC) are ineffective and unsatisfactory in many aspects. Cancer-targeting gene virotherapy using oncolytic adenoviruses (OAds) armed with anticancer genes has shown efficacy and safety in clinical trials. Nowadays, both inhibitor of growth 4 (ING4); as a multimodal tumor suppressor gene, and tumor necrosis factor-related apoptosis-inducing ligand (TRAIL); as potent-apoptosis inducing gene, are experiencing a renaissance in cancer gene therapy. Herein we investigated the antitumor activity and safety of mono-and combined therapy with OAds armed with ING4 (Ad-ΔB/ING4) and TRAIL (Ad-ΔB/TRAIL) gene, respectively, on preclinical models of human HCC...
September 19, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28925698/an-ultraviolet-resonance-raman-spectroscopic-study-of-cisplatin-and-transplatin-interactions-with-genomic-dna
#4
Jiafeng Geng, Mena Aioub, Mostafa A El-Sayed, Bridgette A Barry
Ultraviolet resonance Raman (UVRR) spectroscopy is a label-free method to define biomacromolecular interactions with anticancer compounds. Using UVRR, we describe the binding interactions of two Pt(II) compounds, cisplatin (cis-diamminedichloroplatinum(II)) and its isomer, transplatin, with nucleotides and genomic DNA. Cisplatin binds to DNA and other cellular components and triggers apoptosis, whereas transplatin is clinically ineffective. Here, a 244 nm UVRR study shows that purine UVRR bands are altered in frequency and intensity when mononucleotides are treated with cisplatin...
September 19, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28925639/corticosteroid-injections-ineffective-for-knee-osteoarthritis
#5
Emma J Pace
No abstract text is available yet for this article.
September 15, 2017: American Family Physician
https://www.readbyqxmd.com/read/28924587/colorectal-endoscopic-submucosal-dissection-predictors-and-neoplasm-related-gradients-of-difficulty
#6
Federico Iacopini, Yutaka Saito, Antonino Bella, Takuji Gotoda, Patrizia Rigato, Walter Elisei, Fabrizio Montagnese, Giampaolo Iacopini, Guido Costamagna
BACKGROUND AND STUDY AIM:  The role of colorectal endoscopic submucosal dissection (ESD) is standardized in Japan and East Asia, but technical difficulties hinder its diffusion. The aim was to identify predictors of difficulty for each neoplasm type. METHODS:  A competent operator performed all procedures. ESD difficulty was defined as: en bloc with a slow speed (< 0.07 cm (2) /min; 30 × 30 mm neoplasm in > 90 min), conversion to endoscopic mucosal resection, or resection abandonment...
September 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28924315/comparison-between-continuous-thoracic-epidural-block-and-continuous-thoracic-paravertebral-block-in-the-management-of-thoracic-trauma
#7
Shalendra Singh, Mathews Jacob, S Hasnain, Mathangi Krishnakumar
BACKGROUND: Postoperative pain is thought to be the single most important factor leading to ineffective ventilation and impaired secretion clearance after thoracic trauma. Effective pain relief can be provided by thoracic epidural analgesia but may have side effects or contraindications. Paravertebral block is an effective alternative method without the side effects of a thoracic epidural. We did this study to compare efficacy of thoracic epidural and paravertebral block in providing analgesia to thoracic trauma patients...
April 2017: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/28924126/development-of-epstein-barr-virus-related-primary-diffuse-large-b-cell-lymphoma-of-the-central-nervous-system-in-a-patient-with-peripheral-t-cell-lymphoma-not-otherwise-specified-after-mogamulizumab-treatment
#8
Hiroaki Tanaka, Hanako Aoki, Yasumasa Sugita, Ryo Shimizu, Katsunari Kiko, Hidetoshi Mochida, Yoshio Suzuki
Mogamulizumab is a defucosylated humanized anti-CC chemokine receptor type 4 (CCR4) antibody that exerts an anti-tumor immune effect against various tumors through a suppressive effect on regulatory T-cells. We herein report a patient with peripheral T-cell lymphoma who developed Epstein-Barr virus (EBV)-related primary diffuse large B-cell lymphoma of the central nervous system (CNS DLBCL) after mogamulizumab therapy. Our experience should alert physicians to the possibility of the development of EBV-related CNS DLBCL in patients treated for primary lymphoma and suggests that the anti-tumor immune effect of mogamulizumab is ineffective for the prophylaxis of EBV-related lymphomas...
September 15, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28922805/failure-of-the-azithromycin-and-ethambutol-combination-regimen-in-the-hollow-fibre-system-model-of-pulmonary-mycobacterium-avium-infection-is-due-to-acquired-resistance
#9
Shashikant Srivastava, Devyani Deshpande, Tawanda Gumbo
Objectives: To investigate the performance of the two backbone drugs in the standard combination therapy regimen in the hollow-fibre system (HFS) model of pulmonary Mycobacterium avium complex (MAC) infection. Methods: Six HFS were inoculated with human-derived monocytes infected with MAC, and treated with 15 mg/kg of ethambutol and 500 mg of azithromycin daily for 28 days to recapitulate the concentration-time profiles seen in the lungs of humans treated with these drugs and doses...
September 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28922293/the-role-of-vitamin-d-in-cancer-cachexia
#10
Fabio Penna, Andrea Camperi, Maurizio Muscaritoli, Nicoletta Filigheddu, Paola Costelli
PURPOSE OF REVIEW: The possibility to use vitamin D supplementation to improve muscle wasting, with particular focus on cancer cachexia, is discussed. RECENT FINDINGS: Vitamin D exerts biological actions on myogenic precursor proliferation and differentiation, impinging on muscle regeneration. However, the effects of VitD supplementation in diseases associated with muscle atrophy, such as cancer cachexia, are poorly investigated. Data obtained in experimental models of cancer cachexia show that the administration of vitamin D to tumor-bearing animals is not able to prevent or delay both muscle wasting and adipose tissue depletion, despite increased expression of muscle vitamin D receptor...
September 15, 2017: Current Opinion in Supportive and Palliative Care
https://www.readbyqxmd.com/read/28922000/humblebragging-a-distinct-and-ineffective-self-presentation-strategy
#11
Ovul Sezer, Francesca Gino, Michael I Norton
Self-presentation is a fundamental aspect of social life, with myriad critical outcomes dependent on others' impressions. We identify and offer the first empirical investigation of a prevalent, yet understudied, self-presentation strategy: humblebragging. Across 9 studies, including a week-long diary study and a field experiment, we identify humblebragging-bragging masked by a complaint or humility-as a common, conceptually distinct, and ineffective form of self-presentation. We first document the ubiquity of humblebragging across several domains, from everyday life to social media...
September 18, 2017: Journal of Personality and Social Psychology
https://www.readbyqxmd.com/read/28921582/retribution-as-hierarchy-regulation-hierarchy-preferences-moderate-the-effect-of-offender-socioeconomic-status-on-support-for-retribution
#12
Liz Redford, Kate A Ratliff
People punish others for various reasons, including deterring future crime, incapacitating the offender, and retribution, or payback. The current research focuses on retribution, testing whether support for retribution is motivated by the desire to maintain social hierarchies. If so, then the retributive tendencies of hierarchy enhancers or hierarchy attenuators should depend on whether offenders are relatively lower or higher in status, respectively. Three studies showed that hierarchy attenuators were more retributive against high-status offenders than for low-status offenders, that hierarchy enhancers showed a stronger orientation towards retributive justice, and that relationship was stronger for low-status, rather than high-status, criminal offenders...
September 17, 2017: British Journal of Social Psychology
https://www.readbyqxmd.com/read/28921535/genome-wide-host-rna-signatures-of-infectious-diseases-discovery-and-clinical-translation
#13
REVIEW
Harriet D Gliddon, Jethro A Herberg, Michael Levin, Myrsini Kaforou
The use of whole blood gene expression to derive diagnostic biomarkers capable of distinguishing between phenotypically similar diseases holds great promise but remains a challenge. Differential gene expression analysis is used to identify the key genes that undergo changes in expression relative to healthy individuals, as well as to patients with other diseases. These key genes can act as diagnostic, prognostic and predictive markers of disease. Gene expression 'signatures' in the blood hold potential to be used for the diagnosis of infectious diseases, where current diagnostics are unreliable, ineffective or of limited potential...
September 16, 2017: Immunology
https://www.readbyqxmd.com/read/28921512/dacomitinib-induced-diarrhea-targeting-chloride-secretion-with-crofelemer
#14
Ysabella Z A Van Sebille, Rachel J Gibson, Hannah R Wardill, Imogen A Ball, Dorothy M K Keefe, Joanne M Bowen
Dacomitinib, an irreversible small-molecule pan-ErbB TKI, has a high incidence of diarrhea which has been suggested to be due to chloride secretory mechanisms. Based on this hypothesis, crofelemer, an anti-secretory agent may be an effective intervention. T84 monolayers were treated with 1µM dacomitinib and 10µM crofelemer, and mounted into Ussing chambers for electrogenic ion analysis. Crofelemer attenuated increases in chloride secretion in cells treated with dacomitinib. Albino Wistar rats (n=48) were treated with 7...
September 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28921418/coping-with-phantom-limb-pain
#15
Damien P Kuffler
Phantom limb pain is a chronic neuropathic pain that develops in 45-85% of patients who undergo major amputations of the upper and lower extremities and appears predominantly during two time frames following an amputation: the first month and later about 1 year. Although in most patients the frequency and intensity of pain diminish over time, severe pain persists in about 5-10%. It has been proposed that factors in both the peripheral and central nervous systems play major roles in triggering the development and maintenance of pain associated with extremity amputations...
September 18, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28920719/-history-of-hand-transplantation-advancement-in-the-operative-technics-medications-and-the-survival-of-the-transplanted-hands-review-of-literature
#16
Vilmos Bíró
The author summarizes briefly the history of hand allograft transplantation, the basics of the operative technics, and the medicinal treatment of the immunosuppression. He establishes that this operation requires complicated team-work: many specialists must be united in the interest of the successful final outcome. The biggest problem is not the technical challenge of the complicated operation, but the ineffectiveness of immunosuppression, its complications; even though significant development has happened in this field and experimental results are also encouraging...
September 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28919583/polyclonal-antibody-against-different-extracellular-subdomains-of-her2-induces-tumor-growth-inhibition-in-vitro
#17
Reza Hosseini Ghatar, Tahereh Soltantoyeh, Motahareh Bahadori, Jalal Khoshnoodi, Forough Golsaz Shirazi, Mahmood Jeddi Tehrani, Mohammad Mehdi Amiri, Fazel Shokri
BACKGROUND: Human epidermal growth factor receptor 2 (HER2) has a crucial role in several malignancies. The extracellular domain of HER2 (HER2-ECD) has been extensively employed as an important target in passive and active immunotherapy. Isolated recombinant prokaryotic HER2-ECD subdomains were previously found to be ineffective in inducing anti-tumor antibody response. OBJECTIVE: To employ recombinant eukaryotic HER2-ECD subdomains to raise anti-HER2 antibodies and determine their anti-tumor activity in vitro...
September 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28919246/filtered-sunlight-solar-powered-phototherapy-and-other-strategies-for-managing-neonatal-jaundice-in-low-resource-settings
#18
Tina M Slusher, Louise Tina Day, Tolulope Ogundele, Nick Woolfield, Joseph Aderinsola Owa
Challenges in treating severe neonatal jaundice in low and middle-income country settings still exist at many levels. These include: a lack of awareness of causes and prevention by families, communities and even sometimes health care professionals; insufficient, ineffective, high quality affordable diagnostic and therapeutic options; limited availability of rehabilitation provision for kernicterus. Collectively these challenges lead to an unacceptably high global morbidity and mortality from severe neonatal jaundice...
September 15, 2017: Early Human Development
https://www.readbyqxmd.com/read/28919031/a-pilot-study-to-assess-near-infrared-laparoscopy-with-indocyanine-green-icg-for-intraoperative-sentinel-lymph-node-mapping-in-early-colon-cancer
#19
A C Currie, A Brigic, S Thomas-Gibson, N Suzuki, M Moorghen, J T Jenkins, O D Faiz, R H Kennedy
BACKGROUND: Previous attempts at sentinel lymph node (SLN) mapping in colon cancer have been compromised by ineffective tracers and the inclusion of advanced disease. This study evaluated the feasibility of fluorescence detection of SLNs with indocyanine green (ICG) for lymphatic mapping in T1/T2 clinically staged colonic malignancy. METHODS: Consecutive patients with clinical T1/T2 stage colon cancer underwent endoscopic peritumoral submucosal injection of indocyanine green (ICG) for fluorescence detection of SLN using a near-infrared (NIR) camera...
August 23, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28918954/contemporary-management-of-vesicoureteral-reflux
#20
REVIEW
Perviz Hajiyev, Berk Burgu
CONTEXT: Vesicoureteral reflux (VUR) remains the most interesting topic of pediatric urology due to the dynamic nature of recent controversial publications. Starting from the need for a diagnosis to the necessity and effectiveness of treatment in preventing scars, VUR remains in the mist. Although recent strong evidence helped as fog lights in this blurriness, more data are required for achieving crystal clearance. This article aims to summarize and discuss the current state of the evidence regarding VUR management...
September 11, 2017: European Urology Focus
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