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https://www.readbyqxmd.com/read/28718402/metabolism-during-ecm-detachment-achilles-heel-of-cancer-cells
#1
REVIEW
Joshua A Mason, Kimberly R Hagel, Mark A Hawk, Zachary T Schafer
Integrin-mediated attachment to the extracellular matrix (ECM) is required to combat the induction of programmed cell death in a variety of distinct cell types. If cells fail to maintain proper ECM attachment, they become subject to elimination via an apoptotic cell death program known as anoikis. However, anoikis inhibition is not sufficient to promote the long-term survival of ECM-detached cells. Several recent studies have unveiled the profound (anoikis-independent) impact of cell metabolism on the viability of ECM-detached cells...
July 2017: Trends in Cancer
https://www.readbyqxmd.com/read/28716942/maternal-photoperiod-programs-hypothalamic-thyroid-status-via-the-fetal-pituitary-gland
#2
Cristina Sáenz de Miera, Béatrice Bothorel, Catherine Jaeger, Valérie Simonneaux, David Hazlerigg
In wild mammals, offspring development must anticipate forthcoming metabolic demands and opportunities. Within species, different developmental strategies may be used, dependent on when in the year conception takes place. This phenotypic flexibility is initiated before birth and is linked to the pattern of day length (photoperiod) exposure experienced by the mother during pregnancy. This programming depends on transplacental communication via the pineal hormone melatonin. Here, we show that, in the Siberian hamster (Phodopus sungorus), the programming effect of melatonin is mediated by the pars tuberalis (PT) of the fetal pituitary gland, before the fetal circadian system and autonomous melatonin production is established...
July 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28716817/pi3k%C3%AE-%C3%AE-and-notch1-cross-regulate-pathways-that-define-the-t-cell-acute-lymphoblastic-leukemia-disease-signature
#3
Evgeni Efimenko, Utpal P Davé, Irina V Lebedeva, Yao Shen, Maria J Sanchez-Quintero, Daniel Diolaiti, Andrew Kung, Brian J Lannutti, Jianchung Chen, Ronald Realubit, Zoya Niatsetskiya, Vadim Ten, Charles Karan, Xi Chen, Andrea Califano, Thomas G Diacovo
PI3K/AKT and NOTCH1 signaling pathways are frequently dysregulated in T-cell acute lymphoblastic leukemias (T-ALL). Although we have shown that the combined activities of the class I PI3K isoforms p110γ and p110δ play a major role in the development and progression of PTEN null T-ALL, it has yet to be determined whether their contribution to leukemogenic programing is unique from that associated with NOTCH1 activation. Using a Lmo2-driven mouse model of T-ALL in which both the PI3K/AKT and NOTCH1 pathways are aberrantly upregulated, we now demonstrate that the combined activities of PI3Kγ/δ have both overlapping and distinct roles from NOTCH1 in generating T-ALL disease signature and in promoting tumor cell growth...
July 17, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28716404/partial-jejunal-diversion-using-an-incisionless-magnetic-anastomosis-system-1-year-interim-results-in-subjects-with-obesity-and-diabetes
#4
Evžen Machytka, Marek Bužga, Pavel Zonca, David B Lautz, Marvin Ryou, Donald C Simonson, Christopher C Thompson
BACKGROUND AND AIMS: The majority of patients with type 2 diabetes mellitus (T2DM) have obesity. Studies show that bariatric surgery is superior to medical treatment for remission of T2DM. Nevertheless, very few patients undergo surgery, and a less-invasive endoscopic alternative is desirable. METHODS: This was a single-arm first-in-human pilot study, designed to evaluate the technical feasibility, safety, and clinical performance of the incisionless magnetic anastomosis system (IMAS) in creation of a partial jejunal diversion (PJD)...
July 14, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28716225/regional-cerebral-glucose-metabolism-in-systemic-lupus-erythematosus-patients-with-major-depressive-disorder
#5
Tomoyuki Saito, Maasa Tamura, Yuhei Chiba, Omi Katsuse, Akira Suda, Ayuko Kamada, Takahiro Ikura, Kie Abe, Matsuyoshi Ogawa, Kaoru Minegishi, Ryusuke Yoshimi, Yohei Kirino, Atsushi Ihata, Yoshio Hirayasu
OBJECTIVES: Depression is frequently observed in patients with systemic lupus erythematosus (SLE). Neuropsychiatric SLE (NPSLE) patients often exhibit cerebral hypometabolism, but the association between cerebral metabolism and depression remains unclear. To elucidate the features of cerebral metabolism in SLE patients with depression, we performed brain 18F-fluoro-d-glucose positron emission tomography (FDG-PET) on SLE patients with and without major depressive disorder. METHODS: We performed brain FDG-PET on 20 SLE subjects (5 male, 15 female)...
August 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28716070/comorbidity-and-metabolic-syndrome-in-patients-with-multiple-sclerosis-from-asturias-and-catalonia-spain
#6
Antoni Sicras-Mainar, Elena Ruíz-Beato, Ruth Navarro-Artieda, Jorge Maurino
BACKGROUND: The impact of comorbidity on multiple sclerosis (MS) is a new area of interest. Limited data on the risk factors of metabolic syndrome (MetS) is currently available. The aim of this study was to estimate the presence of comorbid conditions and MetS in a sample of adult patients with MS. METHODS: A retrospective, cohort study was conducted using electronic medical records from 19 primary care centres in Catalonia and Asturias, Spain. The number of chronic diseases (diagnoses), the Charlson Comorbidity Index and the individual Case-mix Index were used to assess general comorbidity variables...
July 17, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28713486/concurrent-aerobic-and-resistance-training-has-anti-inflammatory-effects-and-increases-both-plasma-and-leukocyte-levels-of-igf-1-in-late-middle-aged-type-2-diabetic-patients
#7
Giosuè Annibalini, Francesco Lucertini, Deborah Agostini, Luciana Vallorani, Annamaria Gioacchini, Elena Barbieri, Michele Guescini, Lucia Casadei, Annunziata Passalia, Marta Del Sal, Giovanni Piccoli, Mauro Andreani, Ario Federici, Vilberto Stocchi
Type 2 diabetes (T2D) is an age-related chronic disease associated with metabolic dysregulation, chronic inflammation, and activation of peripheral blood mononuclear cells (PBMC). The aim of this study was to assess the effects of a concurrent exercise training program on inflammatory status and metabolic parameters of T2D patients. Sixteen male patients (age range 55-70) were randomly assigned to an intervention group (n = 8), which underwent a concurrent aerobic and resistance training program (3 times a week; 16 weeks), or to a control group, which followed physicians' usual diabetes care advices...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28712259/four-week-living-high-training-low-program-enhances-3000-m-and-5000-m-time-trials-by-improving-energy-metabolism-during-submaximal-exercise-in-athletes
#8
Hun-Young Park, Sungho Kim, Sang-Seok Nam
PURPOSE: This study aimed to determine the effect of a 4-week living high training low (LHTL) versus a living low training low (LLTL) program on energy metabolism during submaximal exercise and 3000-m and 5000-m time trial (TT) in athletes. METHODS: Male athletes (n = 20) were randomly assigned to the LLTL (n = 10, living at 1000 m and training at 700-1330 m) and LHTL (n = 10, living at simulated 3000 m and training at 700-1330 m) groups. We compared energy metabolisms during submaximal exercise on a treadmill and aerobic exercise performance (3000 m and 5000 m TT) before and after 4 weeks of training...
March 31, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/28712155/economic-activity-and-patterns-of-infant-growth-in-a-high-altitude-district-of-peru
#9
Morgan K Hoke
OBJECTIVES: Changing economic activities bring significant cultural, epidemiological, and nutritional transitions. Infancy represents a critical period when rapid growth and metabolic programming occur, making infants particularly vulnerable to long-lasting biological changes due to such transitions. This paper examines the relationship between residence in distinct economic production zones (urban, herding, and dairy) and early growth in a highland district of Peru. METHODS: The length, weight, body mass index, and triceps skinfold of 93 infants (55 boys and 38 girls, aged 2 to 24 months) from 3 economic zones were measured at two time points 6 months apart...
July 16, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/28711905/the-prevalence-subtypes-and-associated-factors-of-hyperuricemia-in-lupus-nephritis-patients-at-chronic-kidney-disease-stages-1-3
#10
Simeng Liu, Yijun Gong, Hong Ren, Wen Zhang, Xiaonong Chen, Tong Zhou, Xiao Li, Nan Chen
There is a high prevalence of hyperuricemia (HUA) in the chronic kidney disease (CKD) population. However, there's a dearth of research on HUA's prevalence, subtypes, early detection, and treatment strategies of HUA in lupus nephritis (LN) patients. The aim of this study is to address these knowledge gaps. LN patients presenting to the Department of Nephrology at Shanghai Rui Jin Hospital from January 2011 to January 2016 were recruited. The effective sample size was derived using the power analysis. The demographic, clinical and laboratory characteristics of the LN patients with HUA were compared with those of patients without HUA...
July 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28711517/prevention-of-type-2-diabetes-mellitus-in-polycystic-ovary-syndrome-a-review
#11
REVIEW
Safa Anwar, Nigar Shikalgar
Polycystic ovary syndrome (PCOS) is recognized as one of the most common endocrinopathies in women of reproductive age, associated with metabolic sequelae which includes increased risk factors for impaired glucose tolerance (IGT), type 2 diabetes mellitus (DM2) and cardiovascular disease (CVD). The adverse effects of DM2 affects a woman throughout her lifespan. Health care expenditure of DM2 highlights the need for prevention through appropriate screening, diagnosis and intervention. Lifestyle modification (LSM) programs that include diet and/or physical activity are suggested for patients characterized as prediabetic to delay the onset of adult DM2...
July 8, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28710131/gene-regulatory-networks-for-the-haploid-to-diploid-transition-of-chlamydomonas-reinhardtii
#12
Sunjoo Joo, Yoshiki Nishimura, Evan Cronmiller, Ran Ha Hong, Thamali Kariyawasam, Ming Hsiu Wang, Nai Chun Shao, Saif-El-Din El Akkad, Takamasa Suzuki, Tetsuya Higashiyama, EonSeon Jin, Jae-Hyeok Lee
The sexual cycle of the unicellular Chlamydomonas reinhardtii culminates in the formation of diploid zygotes which differentiate into dormant spores that eventually undergo meiosis. Mating between gametes induces rapid cell wall shedding via the enzyme g-lysin; cell fusion is followed by heterodimerization of sex-specific homeobox transcription factors, GSM1 and GSP1, and initiation of zygote-specific gene expression. To investigate the genetic underpinnings of the zygote developmental pathway, we performed comparative transcriptome analysis of both pre- and post-fertilization samples...
July 14, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28707762/pharmacokinetics-and-tissue-distribution-study-of-clevidipine-and-its-primary-metabolite-h152-81-in-rats
#13
Yan Wang, Lanting Zhao, Tengfei Li, Wen Yang, Qian Li, Luning Sun, Li Ding
This present study was designed to investigate the pharmacokinetic profiles and tissue distribution characteristics of clevidipine and its primary metabolite H152/81 in rats following a single intravenous administration of clevidipine butyrate injectable emulsion (CBIE). For this study, a sensitive and selective liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was established and validated for the simultaneous quantitation of clevidipine and H152/81 in rat whole blood and various tissues. A Hedera ODS-2 column with two gradient elution programs was employed for the troubleshooting of matrix effect on the detection of analytes among different biological samples...
July 14, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28706936/impact-of-the-host-on-toxoplasma-stage-differentiation
#14
REVIEW
Carsten G K Lüder, Taibur Rahman
The unicellular parasite Toxoplasma gondii infects warm-blooded animals and humans, and it is highly prevalent throughout the world. Infection of immunocompetent hosts is usually asymptomatic or benign but leads to long-term parasite persistence mainly within neural and muscular tissues. The transition from acute primary infection towards chronic toxoplasmosis is accompanied by a developmental switch from fast replicating and metabolically highly active tachyzoites to slow replicating and largely dormant bradyzoites within tissue cysts...
June 22, 2017: Microbial Cell
https://www.readbyqxmd.com/read/28706476/long-term-sex-dependent-vulnerability-to-metabolic-challenges-in-prenatally-stressed-rats
#15
Pamela Panetta, Alessandra Berry, Veronica Bellisario, Sara Capoccia, Carla Raggi, Alessia Luoni, Linda Longo, Marco A Riva, Francesca Cirulli
Prenatal stress (PNS) might affect the developmental programming of adult chronic diseases such as metabolic and mood disorders. The molecular mechanisms underlying such regulations may rely upon long-term changes in stress-responsive effectors such as Brain-Derived Neurotrophic Factor (BDNF) that can affect neuronal plasticity underlying mood disorders and may also play a role in metabolic regulation. Based upon previous data, we hypothesized that PNS might lead to greater vulnerability to an obesogenic challenge experienced at adulthood...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28705494/inflammation-initiated-by-stressed-organelles
#16
Fabio Martinon
Key cellular functions including those related to energy metabolism, organization of the genetic information or production of membrane-bound and secreted proteins are compartmentalized within organelles. Various stresses such as differentiation programs, viral and bacterial infections, perturbations in protein production, mechanical constraints, changes in the environment and nutriment accessibility can impact cellular homeostasis and organelle integrity. Perturbations of these cellular compartments trigger repair and adaptation programs aimed at restoring homeostasis...
July 10, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28705382/impact-of-cardiorespiratory-fitness-and-risk-of-systemic-hypertension-in-nonobese-versus-obese-men-who-are-metabolically-healthy-or-unhealthy
#17
Sae Young Jae, Abraham Samuel Babu, Eun Sun Yoon, Sudhir Kurl, Jari A Laukkanen, Yoon-Ho Choi, Barry A Franklin
Few data are available regarding the influence of body phenotype on systemic hypertension (SH) and whether cardiorespiratory fitness (CRF) attenuates this relation. We tested the hypothesis that obesity phenotypes and CRF would predict incident hypertension, evaluating 3,800 Korean men who participated in 2 health examinations in1998 to 2009. All participants were normotensive at baseline and were divided into 4 groups based on body mass index using the Asia-Pacific descriptors for obesity and metabolic health status and the National Cholesterol Education Program's adult treatment panel III (ATP-III) criteria...
June 15, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28704534/short-term-variation-in-ntprobnp-after-lifestyle-intervention-in-severe-obesity
#18
Debora Fedele, Virginia Bicchiega, Alessandro Collo, Federica Barutta, Erika Pistone, Gabriella Gruden, Graziella Bruno
AIM: Natriuretic peptides are not only involved in cardiovascular adaption to various conditions, but also in metabolic diseases. We performed this study to assess the effect of a very short time of lifestyle inpatient intervention on NTproBNP values in normotensive subjects with severe obesity and normal cardiac function. METHODS: We recruited 14 consecutive obese normotensive subjects with normal cardiac function who were aged 30 years and more and were referred to inpatient rehabilitation in an academic clinic over a two months period...
2017: PloS One
https://www.readbyqxmd.com/read/28704500/transcriptomic-and-metabolomic-profiles-of-chinese-citrus-fly-bactrocera-minax-diptera-tephritidae-along-with-pupal-development-provide-insight-into-diapause-program
#19
Jia Wang, Huan Fan, Ke-Cai Xiong, Ying-Hong Liu
The Chinese citrus fly, Bactrocera minax (Enderlein), is a devastating citrus pest in Asia. This univoltine insect enters obligatory pupal diapause in each generation, while little is known about the course and the molecular mechanisms of diapause. In this study, the course of diapause was determined by measuring the respiratory rate throughout the pupal stage. In addition, the variation of transcriptomic and metabolomic profiles of pupae at five developmental stages (pre-, early-, middle-, late-, and post-diapause) were evaluated by next-generation sequencing technology and 1H nuclear magnetic resonance spectroscopy (NMR), respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28702901/implications-of-impaired-endurance-peffects-of-endurance-training-orformance-following-single-bouts-of-resistance-training-an-alternate-concurrent-training-perspective
#20
REVIEW
Kenji Doma, Glen B Deakin, David J Bentley
A single bout of resistance training induces residual fatigue, which may impair performance during subsequent endurance training if inadequate recovery is allowed. From a concurrent training standpoint, such carry-over effects of fatigue from a resistance training session may impair the quality of a subsequent endurance training session for several hours to days with inadequate recovery. The proposed mechanisms of this phenomenon include: (1) impaired neural recruitment patterns; (2) reduced movement efficiency due to alteration in kinematics during endurance exercise and increased energy expenditure; (3) increased muscle soreness; and (4) reduced muscle glycogen...
July 12, 2017: Sports Medicine
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