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https://www.readbyqxmd.com/read/29346757/p53-suppresses-metabolic-stress-induced-ferroptosis-in-cancer-cells
#1
Amy Tarangelo, Leslie Magtanong, Kathryn T Bieging-Rolett, Yang Li, Jiangbin Ye, Laura D Attardi, Scott J Dixon
How cancer cells respond to nutrient deprivation remains poorly understood. In certain cancer cells, deprivation of cystine induces a non-apoptotic, iron-dependent form of cell death termed ferroptosis. Recent evidence suggests that ferroptosis sensitivity may be modulated by the stress-responsive transcription factor and canonical tumor suppressor protein p53. Using CRISPR/Cas9 genome editing, small-molecule probes, and high-resolution, time-lapse imaging, we find that stabilization of wild-type p53 delays the onset of ferroptosis in response to cystine deprivation...
January 16, 2018: Cell Reports
https://www.readbyqxmd.com/read/29345404/individual-variability-in-response-to-renin-angiotensin-aldosterone-system-inhibition-predicts-cardiovascular-outcome-in-patients-with-type-2-diabetes-a-primary-care-cohort-study
#2
Ellen M Apperloo, Michelle J Pena, Dick de Zeeuw, Petra Denig, Hiddo Jl Heerspink
AIMS: Variability in response to Renin-Angiotensin-Aldosterone System (RAAS) inhibition has been shown in clinical trials but its occurrence and impact in clinical practice are unknown. We assessed variability in systolic blood pressure (SBP) and albuminuria (UACR) responses in patients with type 2 diabetes mellitus initiating RAAS inhibition, and assessed the association of response variability with cardiovascular outcomes. METHODS: We performed an observational cohort study in patients with type 2 diabetes who started RAAS inhibition between 2007 and 2013 (n=1600) were identified from general practices in the Netherlands...
January 18, 2018: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/29345091/the-responses-of-microbial-temperature-relationships-to-seasonal-change-and-winter-warming-in-a-temperate-grassland-soil
#3
Johanna Birgander, Pål Axel Olsson, Johannes Rousk
Microorganisms dominate the decomposition of organic matter and their activities are strongly influenced by temperature. As the carbon (C) flux from soil to the atmosphere due to microbial activity is substantial, understanding temperature relationships of microbial processes is critical. It has been shown that microbial temperature relationships in soil correlate with the climate, and microorganisms in field experiments become more warm-tolerant in response to chronic warming. It is also known that microbial temperature relationships reflect the seasons in aquatic ecosystems, but to date this has not been investigated in soil...
January 18, 2018: Global Change Biology
https://www.readbyqxmd.com/read/29344207/novel-homobarringtonie-containing-therapy-for-the-treatment-of-patients-with-primary-acute-myeloid-leukemia-that-are-resistant-to-conventional-therapy
#4
Jingsong He, Li Li, Jingjing Zhu, Weiyan Zheng, Wenjun Wu, Yanlong Zheng, Xiujin Ye
The current study investigated the efficacy and safety of a novel treatment regime consisting of homobarringtonie, cytosine arabinoside and etoposide (HCE) for the treatment of primary acute myeloid leukemia (AML). In the present study, 141 patients diagnosed with AML were divided into the HCE (n=47) and the conventional AML therapy, consisting of idamycin combined with cytarabine (IA; n=94), treatment groups. The measured patient outcome parameters were the emission and response rates, as well as medication-induced adverse events, with a median follow-up time of 28 months...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29344144/melanoma-differentiation-associated-gene-7-suppresses-human-gastric-cancer-cell-invasion-and-migration
#5
Li Xu, Jinyan Chen, Wei Lin, Jinkun Chen, Zhiwei Chen
Gastric cancer is one of the most common types of cancer in the world. Patients with gastric cancer often respond poorly to conventional chemotherapies, therefore more comprehensive therapy is required. Melanoma differentiation-associated gene-7 (MDA-7), also termed interleukin-24, is a potent tumor suppressor gene. Numerous studies have demonstrated that MDA-7 suppresses the growth and induces the apoptosis of cancer cells. In the present study, the MDA-7 gene was transfected into human gastric cancer AGS cells using adenovirus...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29343973/a-patient-with-classic-biphasic-pulmonary-blastoma-harboring-cd74-ros1-fusion-responds-to-crizotinib
#6
Zhaoting Meng, Peng Chen, Fenglin Zang, Ying Liu, Xiaoyan Xu, Yudong Su, Jinliang Chen, Li Lin, Lu Zhang, Tengfei Zhang
Pulmonary blastoma (PB) is a rare aggressive lung malignancy with a poor prognosis. Surgical resection is the treatment of choice for localized disease, and there are no standard treatment guidelines for metastatic PB. Due to its rareness, its molecular profile has not been elucidated. We present the first case of classic biphasic pulmonary blastoma (CBPB) with CD74-ROS1 rearrangement in a 44-year-old Asian female with stage IV disease diagnosed using capture-based ultra-deep targeted sequencing. It has been reported that ROS1 rearranged lung adenocarcinoma and squamous cell carcinoma are sensitive to crizotinib, an ALK/MET/ ROS1 multitargeted tyrosine kinase inhibitor...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29343688/wee1-inhibitor-mk1775-sensitizes-kras-mutated-nsclc-cells-to-sorafenib
#7
Elisa Caiola, Roberta Frapolli, Michele Tomanelli, Rossana Valerio, Alice Iezzi, Marina C Garassino, Massimo Broggini, Mirko Marabese
Non-Small-Cell Lung Cancer (NSCLC) is a poorly chemosensitive tumor and targeted therapies are only used for about 15% of patients where a specific driving and druggable lesion is observed (EGFR, ALK, ROS). KRAS is one of the most frequently mutated genes in NSCLC and patients harboring these mutations do not benefit from specific treatments. Sorafenib, a multi-target tyrosine kinase inhibitor, was proposed as a potentially active drug in KRAS-mutated NSCLC patients, but clinical trials results were not conclusive...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29343409/monitoring-early-changes-in-rectal-tumor-morphology-and-volume-during-5%C3%A2-weeks-of-preoperative-chemoradiotherapy-an-evaluation-with-sequential-mris
#8
Doenja M J Lambregts, Ahmed Bani Yassien, Max J Lahaye, Anja Betgen, Monique Maas, Geerard L Beets, Uulke A van der Heide, Baukelien van Triest, Regina G H Beets-Tan
PURPOSE: To assess early changes in rectal tumor volume and morphology on sequential MRIs performed during 5 weeks of chemoradiotherapy. MATERIALS AND METHODS: Thirteen patients underwent weekly T2W-MRI during 5 weeks of preoperative radiotherapy (total 50 Gy), starting after the first week of radiation. Two radiologists visually evaluated tumor volume and morphology and one reader manually segmented tumors for each time point to quantitatively calculate tumor volumes...
January 15, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29343254/knowledge-of-cervical-cancer-and-pap-smear-among-uyghur-women-from-xinjiang-china
#9
Guzhalinuer Abulizi, Tangnuer Abulimiti, Hua Li, Guzhalinuer Abuduxikuer, Patiman Mijiti, Su-Qin Zhang, Ayinuer Maimaiti, Muyasier Tuergan, Ayiguli Simayi, Miherinisha Maimaiti
BACKGROUND: Cervical cancer is a significant public health issue in Xinjiang China. In order to provide scientific basis for cervical cancer intervention in Xinjiang, women's knowledge of cervical cancer was investigated in this study. Besides, relations between Uyghur women's awareness and their age, educational background, yearly household were evaluated. METHODS: Questionnaire survey was conducted to 7100 Uyghur women from Karkax Hotan and Payzivat Kashgar during 2008 and 2009...
January 17, 2018: BMC Women's Health
https://www.readbyqxmd.com/read/29343100/the-effect-of-an-orthopedic-hand-surgeon-s-attire-on-patient-confidence-and-trust
#10
Vince W Lands, Ajith Malige, Chinenye O Nwachuku, Kristofer S Matullo
BACKGROUND: Multiple studies have concluded that patients are more likely to understand and trust physicians who dress in more formal attire (shirt and tie) as opposed to casual attire (t-shirts and jeans). The white coat has repeatedly been reported as a major source of trust and confidence in a patient's eyes. METHODS: This study explores the effect an orthopedic hand surgeon's attire has on a patient's perception of their surgeon's clinical values. All patients 18 years of age and older who visited our orthopedic hand surgeon's suburban outpatient practice were asked to participate in our survey-based study...
January 1, 2018: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29341889/adventitial-activation-in-the-pathogenesis-of-injury-induced-arterial-remodeling-potential-implications-in-transplant-vasculopathy
#11
REVIEW
Jianli Wang, Yuan Wang, Jingjing Wang, Xiaosun Guo, Elsa C Chan, Fan Jiang
Transplant vasculopathy is one of the major causes of chronic rejection following solid organ transplantation. The pathogenic mechanisms of transplant vasculopathy are still poorly understood. Here we summarize current evidence suggesting that activation of the tunica adventitia may be involved in the pathogenesis of transplant vasculopathy. Adventitia is an early responder to various vascular injuries and plays an integral role in eliciting vascular inflammation and remodeling. Accumulation of macrophages in the adventitia promotes the development of vascular remodeling by releasing a variety of paracrine factors that have profound impacts on vascular mural cells...
January 13, 2018: American Journal of Pathology
https://www.readbyqxmd.com/read/29341617/enhancing-docetaxel-delivery-to-multidrug-resistant-cancer-cells-with-albumin-coated-nanocrystals
#12
Sheryhan F Gad, Joonyoung Park, Ji Eun Park, Gihan N Fetih, Sozan S Tous, Wooin Lee, Yoon Yeo
Intravenous delivery of poorly water-soluble anticancer drugs such as docetaxel (DTX) is challenging due to the low bioavailability and the toxicity related to solubilizing excipients. Colloidal nanoparticles are used as alternative carriers, but low drug loading capacity and circulation instability limit their clinical translation. To address these challenges, DTX nanocrystals (NCs) were prepared using Pluronic F127 as an intermediate stabilizer and albumin as a functional surface modifier, which were previously found to be effective in producing small and stable NCs...
January 17, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29341345/increase-in-neutrophil-after-r-tpa-thrombolysis-predicts-poor-functional-outcome-of-ischemic-stroke-a-longitudinal-study
#13
Jijun Shi, Hao Peng, Shoujiang You, Yuanyuan Liu, Jiaping Xu, Yingying Xu, Huihui Liu, Rongfang Shi, Yongjun Cao, Chun-Feng Liu
BACKGROUND: Neutrophil, a pivotal immune responder to ischemic brain insult, has been involved in neuroplasticity and increases after stroke. r-tPA, a promising treatment improving neuroplasticity, promotes neutrophil degranulation. However, the dynamic profile of neutrophil after r-tPA treatment and its effect on neurological recovery after stroke is not well studied. METHODS: We measured cell counts of neutrophil, lymphocyte, and their ratio (NLR) on admission and 24 hours after r-tPA infusion in 372 consecutively recruited acute ischemic stroke patients (mean age 64 years)...
January 17, 2018: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29341329/violence-and-child-mental-health-in-brazil-the-itabora%C3%A3-youth-study-methods-and-findings
#14
I A Bordin, C S Duarte, W S Ribeiro, C S Paula, E S F Coutinho, A Sourander, J A Rønning
OBJECTIVES: To demonstrate a study design that could be useful in low-resource and violent urban settings and to estimate the prevalence of child violence exposure (at home, community, and school) and child mental health problems in a low-income medium-size city. METHODS: The Itaboraí Youth Study is a Norway-Brazil collaborative longitudinal study conducted in Itaboraí city (n = 1409, 6-15 year olds). A 3-stage probabilistic sampling plan (random selection of census units, eligible households, and target child) generated sampling weights that were used to obtain estimates of population prevalence rates...
January 17, 2018: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/29341150/effect-of-akt-activation-and-experimental-pharmacological-inhibition-on-responses-to-neoadjuvant-chemoradiotherapy-in-rectal-cancer
#15
F C Koyama, C M Lopes Ramos, F Ledesma, V A F Alves, J M Fernandes, B B Vailati, G P São Julião, A Habr-Gama, J Gama-Rodrigues, R O Perez, A A Camargo
BACKGROUND: Neoadjuvant chemoradiotherapy (CRT) is one of the preferred initial treatment strategies for locally advanced rectal cancer. Responses are variable, and most patients still require surgery. The aim of this study was to identify molecular mechanisms determining poor response to CRT. METHODS: Global gene expression and pathway enrichment were assessed in pretreatment biopsies from patients with non-metastatic cT2-4 N0-2 rectal cancer within 7 cm of the anal verge...
January 2018: British Journal of Surgery
https://www.readbyqxmd.com/read/29340328/nephrin-loss-can-be-used-to-predict-remission-and-long-term-renal-outcome-in%C3%A2-patients-with-minimal-change-disease
#16
Nina A van de Lest, Malu Zandbergen, Daphne H T IJpelaar, Ron Wolterbeek, Jan A Bruijn, Ingeborg M Bajema, Marion Scharpfenecker
Introduction: Minimal change disease is a common cause of nephrotic syndrome. In general, patients with minimal change disease respond to corticosteroids and have excellent long-term renal survival. However, some patients have less favorable outcome. These patients are often thought to have progressed to focal segmental glomerulosclerosis. We previously reported that a segmental loss of podocyte markers is present before the development of focal segmental glomerulosclerosis in a rat model...
January 2018: KI Reports
https://www.readbyqxmd.com/read/29340154/the-impact-of-sepsis-delirium-and-psychological-distress-on-self-rated-cognitive-function-in-icu-survivors-a-prospective-cohort-study
#17
Emily Brück, Anna Schandl, Matteo Bottai, Peter Sackey
Background: Many intensive care unit (ICU) survivors develop psychological problems and cognitive impairment. The relation between sepsis, delirium, and later cognitive problems is not fully elucidated, and the impact of psychological symptoms on cognitive function is poorly studied in ICU survivors. The primary aim of this study was to examine the relationship between sepsis, ICU delirium, and later self-rated cognitive function. A second aim was to investigate the association between psychological problems and self-rated cognitive function 3 months after the ICU stay...
2018: Journal of Intensive Care
https://www.readbyqxmd.com/read/29339109/bitter-gourd-reduces-elevated-fasting-plasma-glucose-levels-in-an-intervention-study-among-prediabetics-in-tanzania
#18
Michael B Krawinkel, Christine Ludwig, Mark E Swai, Ray-Yu Yang, Kwok Pan Chun, Sandra D Habicht
ETHNOPHARMACOLOGICAL RELEVANCE: Impaired glucose tolerance and diabetes mellitus have become major health issues even in non-industrialized countries. As access to clinical management is often poor, dietary interventions and alternative medicines are required. For bitter gourd, Momordica charantia L., antidiabetic properties have been claimed. AIM OF THE STUDY: The main objective of the intervention study was to assess antidiabetic effects of daily bitter gourd consumption of 2...
January 12, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29338835/general-health-wellbeing-and-oral-health-of-patients-older-than-75-years-attending-health-assessments
#19
Dominic Keuskamp, Najith Amarasena, Madhan Balasubramanian, David S Brennan
Annual health assessments by general practices for community-dwelling people aged 75 years and over are important for the early intervention and monitoring of chronic health conditions, including oral disease. Uptake of the health assessment to date has been poor, and little is known of the general and oral health profile of patients. Older patients attending health assessments at general practices in South Australia were sampled for this study. Data on demographic and socioeconomic characteristics, and patients' general and oral health, were collected by mailed questionnaire from 459 respondents...
January 17, 2018: Australian Journal of Primary Health
https://www.readbyqxmd.com/read/29338708/patterns-of-illness-disclosure-among-indian-slum-dwellers-a-qualitative-study
#20
Moumita Das, Federica Angeli, Anja J S M Krumeich, Onno C P van Schayck
BACKGROUND: Slum dwellers display specific traits when it comes to disclosing their illnesses to professionals. The resulting actions lead to poor health-seeking behaviour and underutilisation of existing formal health facilities. The ways that slum people use to communicate their feelings about illness, the type of confidants that they choose, and the supportive and unsupportive social and cultural interactions to which they are exposed have not yet been studied in the Indian context, which constitutes an important knowledge gap for Indian policymakers and practitioners alike...
January 16, 2018: BMC International Health and Human Rights
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