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https://www.readbyqxmd.com/read/29242557/the-metabolic-syndrome-associated-small-g-protein-arl15-plays-a-role-in-adipocyte-differentiation-and-adiponectin-secretion
#1
Nuno Rocha, Felicity Payne, Isabel Huang-Doran, Alison Sleigh, Katherine Fawcett, Claire Adams, Anna Stears, Vladimir Saudek, Stephen O'Rahilly, Inês Barroso, Robert K Semple
Common genetic variants at the ARL15 locus are associated with plasma adiponectin, insulin and HDL cholesterol concentrations, obesity, and coronary atherosclerosis. The ARL15 gene encodes a small GTP-binding protein whose function is currently unknown. In this study adipocyte-autonomous roles for ARL15 were investigated using conditional knockdown of Arl15 in murine 3T3-L1 (pre)adipocytes. Arl15 knockdown in differentiated adipocytes impaired adiponectin secretion but not adipsin secretion or insulin action, while in preadipocytes it impaired adipogenesis...
December 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29240300/genomic-origin-and-nuclear-localization-of-terra-telomeric-repeat-containing-rna-from-darkness-to-dawn
#2
REVIEW
Aurélie Diman, Anabelle Decottignies
Long non-coding RNAs, produced from distinct regions of the chromosomes, are emerging as new key players in several important biological processes. The long non-coding RNAs add a new layer of complexity to cellular regulatory pathways, from transcription to cellular trafficking or chromatin remodeling. More than 25 years ago, the discovery of a transcriptional activity at telomeres of protozoa ended the long-lasting belief that telomeres were transcriptionally silent. Since then, progressively accumulating evidences established that production of TElomeric Repeat-containing RNA (TERRA) was a general feature of eukaryotic cells...
December 14, 2017: FEBS Journal
https://www.readbyqxmd.com/read/29239692/consequences-of-rab-gtpase-dysfunction-in-genetic-or-acquired-human-diseases
#3
Marcellus J Banworth, Guangpu Li
Rab GTPases are important regulators of intracellular membrane trafficking in eukaryotes. Both activating and inactivating mutations in Rab genes have been identified and implicated in human diseases ranging from neurological disorders to cancer. In addition, altered Rab expression is often associated with disease prognosis. As such, the study of diseases associated with Rabs or Rab-interacting proteins has shed light on the important role of intracellular membrane trafficking in disease etiology. In this review, we cover recent advances in the field with an emphasis on cellular mechanisms...
December 14, 2017: Small GTPases
https://www.readbyqxmd.com/read/29238017/-the-interface-between-the-immune-system-and-autonomic-nervous-system
#4
Shunya Nakane, Akihiro Mukaino, Yukio Ando
  The nervous system and the immune system are two major systems in human body. Although it was revealed these two systems correlated, the control of immune cell dynamics by the nervous system has come to draw a lot of attention at the present time. Recent advances in basic and preclinical science reveal that reflex neural circuits inhibit the production of cytokines and inflammation in several animal models. One well-characterized cytokine-inhibiting mechanism, termed the "inflammatory reflex", is dependent upon vagus nerve stimulation that inhibits cytokine production and attenuates the inflammation...
2017: Nihon Rinshō Men'eki Gakkai Kaishi, Japanese Journal of Clinical Immunology
https://www.readbyqxmd.com/read/29237840/human-cytomegalovirus-ul111a-and-us27-gene-products-enhance-the-cxcl12-cxcr4-signaling-axis-via-distinct-mechanisms
#5
Carolyn C Tu, Kathleen L Arnolds, Christine M O'Connor, Juliet V Spencer
Human cytomegalovirus (HCMV) is a prevalent pathogen that establishes lifelong infection in the host. Virus persistence is aided by extensive manipulation of the host immune system, particularly cytokine and chemokine signaling pathways. The HCMV UL111A gene encodes cmvIL-10, an ortholog of human interleukin-10 that has many immunomodulatory effects. We found that cmvIL-10 increased signaling outcomes from human CXCR4, a chemokine receptor with essential roles in hematopoiesis and immune cell trafficking, in response to its natural ligand CXCL12...
December 13, 2017: Journal of Virology
https://www.readbyqxmd.com/read/29237776/human-naive-and-memory-t-cells-display-opposite-migratory-responses-to-sphingosine-1-phosphate
#6
Annabelle Drouillard, Antoinette Neyra, Anne-Laure Mathieu, Antoine Marçais, Mélanie Wencker, Jacqueline Marvel, Alexandre Belot, Thierry Walzer
The role of sphingosine-1 phosphate (S1P) in leukocyte trafficking has been well deciphered in mice but remains largely unaddressed in humans. In this study, we assessed the ex vivo response to S1P of primary human T cell subsets. We found that tonsil but not blood leukocytes were responsive to S1P gradients, suggesting that T cell responsiveness is regulated during their recirculation in vivo. Tonsil naive T cells were readily chemoattracted by S1P in an FTY720-sensitive, S1PR1-dependent manner. Surprisingly, S1P had the opposite effect on effector memory T cells, resident memory T cells, and recently activated T cells, inhibiting their spontaneous or chemokine-induced migration...
December 13, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29237479/birth-delivery-method-affects-expression-of-immune-genes-in-lung-and-jejunum-tissue-of-neonatal-beef-calves
#7
Carla Surlis, Keelan McNamara, Eoin O'Hara, Sinead Waters, Marijke Beltman, Joseph Cassidy, David Kenny
BACKGROUND: Caesarean section is a routine veterinary obstetrical procedure employed to alleviate dystocia in cattle. However, CS, particularly before the onset of labour, is known to negatively affect neonatal respiration and metabolic adaptation in humans, though there is little published information for cattle. The aim of this study was to investigate the effect of elective caesarean section (ECS) or normal trans-vaginal (TV) delivery, on lung and jejunal gene expression profiles of neonatal calves...
December 14, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29236942/anaesthetics-stop-diverse-plant-organ-movements-affect-endocytic-vesicle-recycling-and-ros-homeostasis-and-block-action-potentials-in-venus-flytraps
#8
K Yokawa, T Kagenishi, A Pavlovic, S Gall, M Weiland, S Mancuso, F Baluška
Background and Aims: Anaesthesia for medical purposes was introduced in the 19th century. However, the physiological mode of anaesthetic drug actions on the nervous system remains unclear. One of the remaining questions is how these different compounds, with no structural similarities and even chemically inert elements such as the noble gas xenon, act as anaesthetic agents inducing loss of consciousness. The main goal here was to determine if anaesthetics affect the same or similar processes in plants as in animals and humans...
December 11, 2017: Annals of Botany
https://www.readbyqxmd.com/read/29234067/the-human-blood-nerve-barrier-transcriptome
#9
Steven P Palladino, E Scott Helton, Preti Jain, Chaoling Dong, Michael R Crowley, David K Crossman, Eroboghene E Ubogu
The blood-nerve barrier (BNB), formed by tight junction-forming microvessels within peripheral nerve endoneurium, exists to regulate its internal microenvironment essential for effective axonal signal transduction. Relatively little is known about the unique human BNB molecular composition. Such knowledge is crucial to comprehend the relationships between the systemic circulation and peripheral nerves in health, adaptations to intrinsic or extrinsic perturbations and alterations that may result in disease. We performed RNA-sequencing on cultured early- and late-passage adult primary human endoneurial endothelial cells and laser-capture microdissected endoneurial microvessels from four cryopreserved normal adult human sural nerves referenced to the Genome Reference Consortium Human Reference 37 genome browser, using predefined criteria guided by known transcript or protein expression in vitro and in situ...
December 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29229785/the-chemokine-receptor-cx3cr1-coordinates-monocyte-recruitment-and-endothelial-regeneration-after-arterial-injury
#10
Tobias Getzin, Kashyap Krishnasamy, Jaba Gamrekelashvili, Tamar Kapanadze, Anne Limbourg, Christine Häger, L Christian Napp, Johann Bauersachs, Hermann Haller, Florian P Limbourg
Regeneration of arterial endothelium after injury is critical for the maintenance of normal blood flow, cell trafficking, and vascular function. Using mouse models of carotid injury, we show that the transition from a static to a dynamic phase of endothelial regeneration is marked by a strong increase in endothelial proliferation, which is accompanied by induction of the chemokine CX3CL1 in endothelial cells near the wound edge, leading to progressive recruitment of Ly6Clo monocytes expressing high levels of the cognate CX3CR1 chemokine receptor...
December 11, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/29229612/targeting-tmbim1-alleviates-pathological-cardiac-hypertrophy
#11
Ke-Qiong Deng, Guang-Nian Zhao, Zhihua Wang, Jing Fang, Zhou Jiang, Jun Gong, Feng-Juan Yan, Xue-Yong Zhu, Peng Zhang, Zhi-Gang She, Hongliang Li
Background -Cardiac hypertrophy and its resultant heart failure are among the most common causes of mortality worldwide. Abnormal protein degradation, especially the impaired lysosomal degradation of large organelles and membrane proteins, is involved in the progression of cardiac hypertrophy. However, the underlying mechanisms have not been fully elucidated. Methods -We investigated cardiac TMBIM1 mRNA and protein expression levels in samples from patients with heart failure and mice with aortic banding (AB)-induced cardiac hypertrophy...
December 11, 2017: Circulation
https://www.readbyqxmd.com/read/29228882/medical-education-and-human-trafficking-using-simulation
#12
Hanni Stoklosa, Michelle Lyman, Carrie Bohnert, Olivia Mittel
Healthcare providers have the potential to play a crucial role in human trafficking prevention, identification, and intervention. However, trafficked patients are often unidentified due to lack of education and preparation available to healthcare professionals at all levels of training and practice. To increase victim identification in healthcare settings, providers need to be educated about the issue of trafficking and its clinical presentations in an interactive format that maximizes learning and ultimately patient-centered outcomes...
2017: Medical Education Online
https://www.readbyqxmd.com/read/29227401/what-nurses-need-to-know-about-human-trafficking
#13
(no author information available yet)
No abstract text is available yet for this article.
January 2018: Journal of Christian Nursing: a Quarterly Publication of Nurses Christian Fellowship
https://www.readbyqxmd.com/read/29227387/update-what-nurses-need-to-know-about-human-trafficking
#14
Joy Washburn
Nurses are key people who interact with victims of human trafficking in healthcare and other settings. This article provides a current overview of human trafficking, explains legal definitions, elements for protocols in healthcare settings when trafficking is suspected, nursing roles and responses, interview tools, resources, public health recommendations, and nursing education approaches to address human trafficking.
January 2018: Journal of Christian Nursing: a Quarterly Publication of Nurses Christian Fellowship
https://www.readbyqxmd.com/read/29223352/atp-binding-cassette-transporter-2-abca2-as-a-therapeutic-target
#15
REVIEW
Warren Davis, Kenneth D Tew
The ATP binding cassette transporter ABCA2 is primarily an endolysosomal membrane protein that demonstrates pleiotropic functionalities, coalescing around the maintenance of homeostasis of sterols, sphingolipids and cholesterol. It is most highly expressed in brain tissue and ABCA2 knockout mice express neurological defects consistent with aberrant myelination. Increased expression of the transporter has been linked with resistance to cancer drugs, particularly those possessing a steroid backbone and gene expression (in concert with other genes involved in cholesterol metabolism) was found to be regulated by sterols...
December 6, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29222900/comparisons-of-proteomic-profiles-of-whey-protein-between-donor-human-milk-collected-earlier-than-3-months-and-6-months-after-delivery
#16
Won-Ho Hahn, Joon-Hwan Song, Jong-Bok Seo, Jung Eun Lee, Jeong-Sang Lee, Seunghyun Song, Joohyun Lee, Nam Mi Kang
BACKGROUND AND OBJECTIVES: Human milk has nutritional, protective, and developmental advantages for premature infants. However, proteomic information of low abundant protein of donor milk is insufficient. The purpose of this study is to analyze and compare the proteome of low abundant protein of donor milk obtained at different postpartum ages other than the colostrum. METHODS AND STUDY DESIGN: Donor breast milk from 12 healthy mothers was collected 15 days, 2 months and 6 months after delivery and stored by medically approved methods...
2018: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29222400/nkg2d-based-car-t-cells-and-radiotherapy-exert-synergistic-efficacy-in-glioblastoma
#17
Tobias Weiss, Michael Weller, Matthias Guckenberger, Charles L Sentman, Patrick Roth
Chimeric antigen receptor (CAR) T cell therapy is an emerging immunotherapy against several malignancies including glioblastoma, the most common and most aggressive malignant primary brain tumor in adults. The challenges in solid tumor immunotherapy comprise heterogenously expressed tumor target antigens and restricted trafficking of CAR T cells to and impaired long-term persistence at the tumor site, as well as the unaddressed integration of CAR T cell therapy into conventional anti-cancer treatments. We addressed these questions using a NKG2D-based chimeric antigen receptor construct (chNKG2D) in fully immunocompetent orthotopic glioblastoma mouse models...
December 8, 2017: Cancer Research
https://www.readbyqxmd.com/read/29219001/pi3k-in-cancer-its-structure-activation-modes-and-role-in-shaping-tumor-microenvironment
#18
Xiaoyan Liu, Yan Xu, Qing Zhou, Minjiang Chen, Yu Zhang, Hongge Liang, Jing Zhao, Wei Zhong, Mengzhao Wang
The role of PI3K in cancer has been well established, and mutations of PIK3CA, the gene coding for catalytic subunit p110α of PI3K, are found in approximately 30% human cancers. The hyperactivated PI3K pathway plays a central role in the tumor cell activities such as proliferation, differentiation, chemotaxis, survival, trafficking and metabolism. Besides, PI3K pathway is involved in the regulation of angiogenesis and the host immune response against cancer. Therefore, the inhibition of PI3K pathway can yield multifaceted tumor cell-extrinsic effects that may synergize with chemotherapy, and more importantly, with the newly revived immunotherapy...
December 8, 2017: Future Oncology
https://www.readbyqxmd.com/read/29218503/differential-alterations-in-metabolism-and-proteolysis-related-proteins-in-human-parkinson-s-disease-substantia-nigra
#19
Edna Grünblatt, Josefine Ruder, Camelia Maria Monoranu, Peter Riederer, Moussa Bh Youdim, Silvia A Mandel
Parkinson's disease is the most common neurodegenerative disorder after Alzheimer's disease, with the majority of cases being sporadic or "idiopathic". The aetiology of the sporadic form is still unknown, but there is a broad consensus that Parkinson's disease involves multiple pathways. In previous human post-mortem studies investigating substantia nigra of parkinsonian subjects, gene expression alterations in various metabolic pathways including protein folding, trafficking, aggregation, ubiquitination and oxidative stress were found...
December 7, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/29217476/sumo1-impact-on-alzheimer-disease-pathology-in-an-amyloid-depositing-mouse-model
#20
Erin Knock, Shinsuke Matsuzaki, Hironori Takamura, Kanayo Satoh, Grace Rooke, Kyung Han, Hong Zhang, Agnieszka Staniszewski, Taiichi Katayama, Ottavio Arancio, Paul E Fraser
Small ubiquitin-related modifiers (SUMOs) conjugated or bound to target proteins can affect protein trafficking, processing and solubility. SUMOylation has been suggested to play a role in the amyloid plaque and neurofibrillary tangle pathology of Alzheimer disease (AD) and related neurodegenerative diseases. The current study examines the impact of SUMO1 on processing of the amyloid precursor protein (APP) leading to the production and deposition of the amyloid-β (Aβ) peptide. An in vivo model of these pathways was developed by the generation of double transgenic mice over-expressing human SUMO1 and a mutant APP...
December 4, 2017: Neurobiology of Disease
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