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https://www.readbyqxmd.com/read/29236325/aml1-eto-trans-activates-c-kit-expression-through-the-long-range-interaction-between-promoter-and-intronic-enhancer
#1
Ying Tian, Genjie Wang, Qingzhu Hu, Xichun Xiao, Shuxia Chen
The AML1/ETO onco-fusion protein is crucial for the genesis of t(8;21) acute myeloid leukemia (AML) and is well documented as a transcriptional repressor through dominant-negative effect. However, little is known about the transactivation mechanism of AML1/ETO. Through large cohort of patient's expression level data analysis and a series of experimental validation, we report here that AML1/ETO transactivates c-KIT expression through directly binding to and mediating the long-range interaction between the promoter and intronic enhancer regions of c-KIT...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29234478/fructose-ingestion-impairs-expression-of-genes-involved-in-skeletal-muscle-s-adaptive-response-to-aerobic-exercise
#2
Natalia Gomes Gonçalves, Stephanie Heffer Cavaletti, Carlos Augusto Pasqualucci, Milton Arruda Martins, Chin Jia Lin
Background: The inverse relationship between exercise capacity and its variation over time and both cardiovascular and all-cause mortality suggests the existence of an etiological nexus between cardiometabolic diseases and the molecular regulators of exercise capacity. Coordinated adaptive responses elicited by physical training enhance exercise performance and metabolic efficiency and possibly mediate the health benefits of physical exercise. In contrast, impaired expression of genes involved in mitochondrial biogenesis or protein turnover in skeletal muscle-key biological processes involved in adaptation to physical training-leads to insulin resistance and obesity...
2017: Genes & Nutrition
https://www.readbyqxmd.com/read/29234354/differential-microbial-diversity-in-drosophila-melanogaster-are-fruit-flies-potential-vectors-of-opportunistic-pathogens
#3
Luis A Ramírez-Camejo, Génesis Maldonado-Morales, Paul Bayman
Drosophila melanogaster has become a model system to study interactions between innate immunity and microbial pathogens, yet many aspects regarding its microbial community and interactions with pathogens remain unclear. In this study wild D. melanogaster were collected from tropical fruits in Puerto Rico to test how the microbiota is distributed and to compare the culturable diversity of fungi and bacteria. Additionally, we investigated whether flies are potential vectors of human and plant pathogens. Eighteen species of fungi and twelve species of bacteria were isolated from wild flies...
2017: International Journal of Microbiology
https://www.readbyqxmd.com/read/29234272/differential-roles-of-glycogen-synthase-kinase-3-subtypes-alpha-and-beta-in-cortical-development
#4
Yan-Xia Ma, Xiu-Li Wang, Jian-Quan Chen, Bin Li, Eun-Mi Hur, Saijilafu
Glycogen synthase kinases 3 (GSK3) α and β are expressed in the nervous system, and disruption of GSK3 signaling has been implicated in a wide range of neurodevelopmental and psychiatric disorders. Although several studies have established a role of GSK3 signaling in the nervous system, much less is known about isoform-specific functions. Here, we have examined the role of GSK3α and GSK3β in the developing neocortex by performing in utero electroporation with specific small interfering RNAs targeting each isoform...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29231147/neuroendocrine-and-metabolic-disorders-in-bulimia-nervosa
#5
Walter Milano, Anna Capasso
BACKGROUND AND OBJECTIVE: Bulimia nervosa, is an eating disorder characterized by excessive influence of weight and body shape on the levels of self-esteem, with pervasive feelings of failure and inadequacy. The eating is characterized by the presence of episodes of uncontrolled eating (Binge), during which the person ingests mass wide variety of foods and the feeling of not being able to stop eating. This review focuses on the metabolic and hormonal alterations in the in bulimia nervosa...
December 11, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/29228421/mir-377-suppresses-cell-proliferation-and-metastasis-in-gastric-cancer-via-repressing-the-expression-of-vegfa
#6
C-Q Wang, L Chen, C-L Dong, Y Song, Z-P Shen, W-M Shen, X-D Wu
OBJECTIVE: In recent years, microRNAs have been identified to participate in tumor genesis and progression of different tumors including gastric cancer. However, the role of miR-377 played in gastric cancer (GC), and its mechanisms have not been demonstrated. PATIENTS AND METHODS: We detected miR-377 expression level in 86 GC and adjacent normal tissue samples by quantitative reverse transcription PCR (qRT-PCR) as well as in GC cell lines. The relationship between miR-377 and clinical pathological features was analyzed...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29228345/mechanisms-and-mediators-of-hypertension-induced-by-erythropoietin-and-related-molecules
#7
Rajiv Agarwal
Hypertension is a common but frequently overlooked adverse effect of erythropoietin (EPO) therapy. Underreporting of hypertension with EPO is likely due to either more aggressively managing hypertension through the prescription of antihypertensive drugs or closer attention to dry weight. The purpose and focus of this review is to critically evaluate the mechanisms of EPO-induced hypertension. Preclinical data are considered first, followed by clinical data where available. Mediated by a variety of molecules, there is an imbalance in the vascular tone favoring net vasoconstriction that mediates EPO-induced hypertension...
December 8, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29227259/hypothyroidism-a-special-comorbidity-factor-in-patients-with-osteoarthrosis-clinical-pathophysiological-and-prognostic-aspects
#8
L Voloshyna, О Doholich, I Sithinska
Objective - to study the features of the functional and morphological condition of the thyroid gland (TG) in patients with osteoarthrosis (OA), the incidence and forms of hypothyroidism and their effects on clinical manifestations, metabolic disorders and the results of the treatment of OA and comorbid processes. A complex examination involved 312 patients with OA aged 37-76 years. Methods used: anthropometric, clinical, ultrasonographic, biochemical, radioimmunological (levels of TSH, free thyroxine, antibodies to thyroid peroxidase)...
November 2017: Georgian Medical News
https://www.readbyqxmd.com/read/29226802/-in-vitro-oogenesis-how-far-have-we-come
#9
B Arkoun, G Livera
Oogenesis is a complex cellular and molecular process whose fundamental mechanisms are still poorly described or not yet elucidated, especially in human species. The development of an in vitro model of oogenesis, particularly during fetal development in humans, is a critical step that would allow: (i) a better understand of the biological mechanisms of oogenesis; (ii) a refinement of medical diagnosis for women suffering from infertility; and (iii) providing new therapeutics for reproductive pathologies. The genesis of this model could be considered from ES/iPS cells...
December 6, 2017: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/29226118/identification-of-a-novel-heterozygous-de-novo-7-bp-frameshift-deletion-in-pbx1-by-whole-exome-sequencing-causing-a-multi-organ-syndrome-including-bilateral-dysplastic-kidneys-and-hypoplastic-clavicles
#10
Korbinian Maria Riedhammer, Corinna Siegel, Bader Alhaddad, Carmen Montoya, Reka Kovacs-Nagy, Matias Wagner, Thomas Meitinger, Julia Hoefele
Introduction: Congenital anomalies of the kidney and urinary tract (CAKUT) represent the primary cause of chronic kidney disease in children. Many genes have been attributed to the genesis of this disorder. Recently, haploinsufficiency of PBX1 caused by microdeletions has been shown to result in bilateral renal hypoplasia and other organ malformations. Materials and methods: Here, we report on a 14-year-old male patient with congenital bilateral dysplastic kidneys, cryptorchidism, hypoplastic clavicles, developmental delay, impaired intelligence, and minor dysmorphic features...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/29225515/anticancer-activity-of-astragalus-polysaccharide-in-human-non-small-cell-lung-cancer-cells
#11
Chao-Yan Wu, Yuan Ke, Yi-Fei Zeng, Ying-Wen Zhang, Hai-Jun Yu
Background: We have reported that Chinese herbs Astragalus polysaccharide (APS) can inhibit nuclear factor kappaB (NF-κB) activity during the development of diabetic nephropathy in mice. NF-κB plays important roles in genesis, growth, development and metastasis of cancer. NF-κB is also involved in the development of treatment resistance in tumors. Here we investigated the antitumor activity of APS in human non-small cell lung cells (A549 and NCI-H358) and the related mechanisms of action...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/29223769/obstructive-sleep-apnoea-and-alzheimer-s-disease-in-search-of-shared-pathomechanisms
#12
REVIEW
D Polsek, N Gildeh, D Cash, R Winsky-Sommerer, S C R Williams, F Turkheimer, G D Leschziner, M J Morrell, I Rosenzweig
Alzheimer's disease (AD) is a significant public health concern. The incidence continues to rise, and it is set to be over one million in the UK by 2025. The processes involved in the pathogenesis of AD have been shown to overlap with those found in cognitive decline in patients with Obstructive Sleep Apnoea (OSA). Currently, the standard treatment for OSA is Continuous Positive Airway Pressure. Adherence to treatment can, however, be an issue, especially in patients with dementia. Also, not all patients respond adequately, necessitating the use of additional treatments...
December 6, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29223519/efficacy-of-reinforced-restriction-of-physical-activity-on-chronic-subdural-hematoma-a-prospective-pilot-study
#13
Kun Hou, Xiaobo Zhu, Jinchuan Zhao, Yang Zhang, Xianfeng Gao, Kai Jiang, Guichen Li
BACKGROUND: Chronic subdural hematoma (CSDH) is a common entity in neurosurgical practice. However, as a result of the high rate in recurrence, morbidity, and mortaliy for surgical management, conservative management of CSDH is emerging as a new treatment strategy. Head trauma is a known risk factor of CSDH and plays as an initiator in the genesis of CSDH. We hypothesized that physical activity might also play an important role in the progression of an asymptomatic CSDH. METHODS: A prospective pilot study aiming to evaluate the efficacy of reinforced restriction of physical activity for the management of asymptomatic or mild symptomatic CSDH was conducted...
December 6, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29218455/the-primary-cilium-once-a-rudimentary-organelle-that-is-now-a-ubiquitous-sensory-cellular-structure-involved-in-many-pathological-disorders
#14
Denys N Wheatley
This article looks mostly at the steps that have led to the primary cilium finding its place in our understanding of cell biology, developmental biology, and medical syndromes due to its aberrations. It is a personal account that stresses, if nothing else, the value of the adage "stick to your guns". My obsession with this organelle, following on from fascination with the centriole, has led to a whole career devoted to determining the nature and role of primary cilia in basic cell biology, which has proved much more important than had been appreciated for almost a century...
December 7, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29217432/transverse-tubular-network-structures-in-the-genesis-of-intracellular-calcium-alternans-and-triggered-activity-in-cardiac-cells
#15
Zhen Song, Michael B Liu, Zhilin Qu
RATIONALE: The major role of a transverse-tubular (TT) network in a cardiac cell is to facilitate effective excitation-contraction coupling and signaling. The TT network structures are heterogeneous within a single cell, and vary between different types of cells and species. They are also remodeled in cardiac diseases. However, how different TT network structures predispose cardiac cells to arrhythmogenesis remains to be revealed. OBJECTIVE: To systematically investigate the roles of TT network structure and the underlying mechanisms in the genesis of intracellular calcium (Ca2+) alternans and triggered activity (TA)...
December 4, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29215551/cmg2-expression-is-an-independent-prognostic-factor-for-soft-tissue-sarcoma-patients
#16
Thomas Greither, Alice Wedler, Swetlana Rot, Jacqueline Keßler, Astrid Kehlen, Hans-Jürgen Holzhausen, Matthias Bache, Peter Würl, Helge Taubert, Matthias Kappler
The capillary morphogenesis gene 2 (CMG2), also known as the anthrax toxin receptor 2 (ANTXR2), is a transmembrane protein putatively involved in extracellular matrix (ECM) adhesion and tissue remodeling. CMG2 promotes endothelial cell proliferation and exhibits angiogenic properties. Its downregulation is associated with a worsened survival of breast carcinoma patients. Aim of this study was to analyze the CMG2 mRNA and protein expression in soft tissue sarcoma and their association with patient outcome. CMG2 mRNA was measured in 121 tumor samples of soft tissue sarcoma patients using quantitative real-time PCR...
December 7, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29203054/on-the-search-to-elucidate-the-role-of-the-microbiota-in-the-genesis-of-cancer-the-cases-of-gastrointestinal-and-cervical-cancer
#17
REVIEW
Francisco Avilés-Jiménez, Yu Guogin, Kirvis Torres-Poveda, Vicente Madrid-Marina, Javier Torres
The microbiota that inhabits the human body plays an important role in health and disease, by their fundamental role in food digestion, training of the immune system or protection against pathogen colonization. However, when the equilibrium with its host is altered, some diseases like cancer might be promoted. In this review we describe the information collected in recent studies between the microbiota and its association with cancer. We conducted the review of the relation of microbiome and cancer etiology focusing on the gastrointestinal and cervical cancer...
December 1, 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/29192619/tinnitus-medial-olivocochlear-system-and-music-exposure-in-adolescents
#18
María Hinalaf, Ana L Maggi, Mercedes X Hüg, Pablo Kogan, Jorge Pérez Villalobo, Ester C Biassoni
INTRODUCTION: The most common cause of tinnitus is the exposure to noise; in the case of adolescents, music is the main sound source they are exposed to. Currently, one of the hypotheses about the genesis of tinnitus is related to the deterioration in the functioning of the medial olivocochlear system (MOCS). AIM: The aim of this study was to determine the presence or absence of tinnitus in adolescents with normal hearing and to relate it to: (a) the functioning of the MOCS, by the contralateral suppression of the transient evoked otoacoustic emissions (TEOAEs) and (b) the musical general exposure (MGE)...
March 2017: Noise & Health
https://www.readbyqxmd.com/read/29190968/genetic-variation-at-the-microrna-binding-site-of-cav1-gene-is-associated-with-lung-cancer-susceptibility
#19
Xue Fang, Xuelian Li, Zhihua Yin, Lingzi Xia, Xiaowei Quan, Yuxia Zhao, Baosen Zhou
Single nucleotide polymorphism (SNP) may influence the genesis and development of cancer in a variety of ways depending on their location. Here we conducted a study in Chinese female non-smokers to investigate the relationship between rs1049337, rs926198 and the risk or survival of lung cancer. Further, we explored whether rs1049337 could alter the binding affinity between the mRNA of CAV1 and the corresponding microRNAs. Finally, we evaluated the relationship between expression level of CAV1 and prognosis of lung cancer...
November 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29190010/are-mechanically-sensitive-regulators-involved-in-the-function-and-patho-physiology-of-cerebral-palsy-related-contractures
#20
Jessica Pingel, Frank Suhr
Skeletal muscle tissue is mechanosensitive, as it is able to sense mechanical impacts and to translate these into biochemical signals making the tissue adapt. Among its mechanosensitive nature, skeletal muscle tissue is the largest metabolic organ of the human body. Disturbances in skeletal muscle mechanosensing and metabolism cause and contribute to many diseases, i.e. muscular dystrophies/myopathies, cardiovascular diseases, COPD or diabetes mellitus type 2. A less commonly focused muscle-related disorder is clinically known as muscle contractures that derive from cerebral palsy (CP) conditions in young and adults...
November 30, 2017: Journal of Muscle Research and Cell Motility
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