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https://www.readbyqxmd.com/read/28941411/a-fully-continuous-system-of-dna-profile-evidence-evaluation-that-can-utilise-str-profile-data-produced-under-different-conditions-within-a-single-analysis
#1
Duncan Taylor, Jo-Anne Bright, Hannah Kelly, Meng-Han Lin, John Buckleton
The introduction of probabilistic DNA interpretation systems has made it possible to evaluate many profiles that previously (under a manual interpretation system) were not. These probabilistic systems have been around for a number of years and it is becoming more common that their use within a laboratory has spanned at least one technology change. This may be a change in laboratory hardware, the DNA profiling kit used, or the manner in which the profile is generated. Up until this point, when replicates DNA profiles are generated, that span a technological change, the ability to utilise all the information in all replicates has been limited or non-existent...
September 8, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28941407/targeted-neurogenesis-pathway-based-gene-analysis-identifies-adora2a-associated-with-hippocampal-volume-in-mild-cognitive-impairment-and-alzheimer-s-disease
#2
Emrin Horgusluoglu-Moloch, Kwangsik Nho, Shannon L Risacher, Sungeun Kim, Tatiana Foroud, Leslie M Shaw, John Q Trojanowski, Paul S Aisen, Ronald C Petersen, Clifford R Jack, Simon Lovestone, Andrew Simmons, Michael W Weiner, Andrew J Saykin
Alzheimer's disease (AD) patients display hippocampal atrophy, memory impairment, and cognitive decline. New neurons are generated throughout adulthood in 2 regions of the brain implicated in AD, the dentate gyrus of the hippocampus and the subventricular zone of the olfactory bulb. Disruption of this process contributes to neurodegenerative diseases including AD, and many of the molecular players in AD are also modulators of adult neurogenesis. However, the genetic mechanisms underlying adult neurogenesis in AD have been underexplored...
August 18, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28938707/stroke-in-cardiovascular-interventions
#3
Peter Lanzer, John Camm, Petr Widimský
No abstract text is available yet for this article.
May 1, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28938483/varying-susceptibility-of-the-female-mammary-gland-to-in-utero-windows-of-bpa-exposure
#4
Andrea R Hindman, Xiaokui Molly Mo, Hannah L Helber, Claire E Kovalchin, Nanditha Ravichandran, Alina R Murphy, Abigail M Fagan, Pamela M St John, Craig J Burd
In utero exposure to the endocrine disrupting compound bisphenol A (BPA) is known to disrupt mammary gland development and increase tumor susceptibility in rodents. It is unclear if there are different periods of in utero development that may be more susceptible to BPA exposure. Herein, pregnant CD-1 mice were exposed to BPA at different times during gestation that correspond to specific milestones of in utero mammary gland development. Mammary glands of early-life and adult female mice, exposed in utero to BPA, were morphologically and molecularly (ERα and Ki67) evaluated for developmental abnormalities...
August 9, 2017: Endocrinology
https://www.readbyqxmd.com/read/28938477/growth-hormone-and-the-epithelial-to-mesenchymal-transition
#5
Alison L Brittain, Reetobrata Basu, Yanrong Qian, John J Kopchick
Context: Previous studies have implicated growth hormone (GH) in the progression of several cancers, including breast, colorectal and pancreatic. A mechanism by which GH may play this role in cancer is through the induction of the epithelial-to-mesenchymal transition (EMT). During the EMT process, epithelial cells lose their defining phenotypes causing loss of cellular adhesion and increased cell migration. This review aims to carefully summarize the previous two decades of research that points to GH as an initiator of EMT, in both cancerous and non-cancerous tissues...
August 4, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28938473/the-role-of-episodic-postprandial-peptides-in-exercise-induced-compensatory-eating
#6
Catherine Gibbons, John E Blundell, Phillipa Caudwell, Dominic-Luc Webb, Per M Hellström, Erik Näslund, Graham Finlayson
Purpose: Prolonged physical activity gives rise to variable degrees of body weight and fat loss, and is associated with variability in appetite control (hunger and energy intake). Whether these effects are modulated by postprandial 'episodic' peptides is unclear. We examined the role of postprandial peptide response in compensatory eating during 12-weeks aerobic exercise and in response to high (HFLC) and low fat (LFHC) meals. Methods: 32 overweight/obese individuals - 16 completed 12-weeks aerobic exercise and 16 were age- and BMI-matched non-exercising controls...
August 18, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28938462/stereotactic-radiosurgery-for-cushing-s-disease-results-of-an-international-multicenter-study
#7
Gautam U Mehta, Dale Ding, Mohana Rao Patibandla, Hideyuki Kano, Nathaniel Sisterson, Yan-Hua Su, Michal Krsek, Ahmed M Nabeel, Amr El-Shehaby, Khaled A Kareem, Nuria Martinez-Moreno, David Mathieu, Brendan McShane, Kevin Blas, Douglas Kondziolka, Inga Grills, John Y Lee, Roberto Martinez-Alvarez, Wael A Reda, Roman Liscak, Cheng-Chia Lee, L Dade Lunsford, Mary Lee Vance, Jason P Sheehan
Context: Cushing's disease (CD) due to ACTH-secreting pituitary tumors can be a management challenge. Objective: To better understand the outcomes of stereotactic radiosurgery (SRS) for CD and define its role in management. Design: International, multicenter, retrospective cohort analysis. Setting: Ten medical centers participating in the International Gamma Knife Research Foundation (IGKRF). Patients: Patients with CD with greater than 6 months endocrine follow-up...
August 29, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28938418/androgens-support-male-acrobatic-courtship-behavior-by-enhancing-muscle-speed-and-easing-the-severity-of-its-trade-off-with-force
#8
Matthew J Fuxjager, Meredith C Miles, Franz Goller, John Petersen, Julia Yancey
Steroid hormone action in the brain regulates many animals' elaborate social displays used for courtship and competition, but it is increasingly recognized that the periphery may also be a site for potent steroidal modulation of complex behavior. However, the mechanisms of such "bottom up" regulation of behavioral outflow are largely unclear. To study this problem, we examine how androgenic sex hormones act through the skeletal muscular system to mediate elaborate courtship acrobatics in a tropical bird called the golden-collared manakin...
August 29, 2017: Endocrinology
https://www.readbyqxmd.com/read/28938415/rationalizing-thyroid-function-testing-which-tsh-cut-offs-are-optimal-for-testing-free-t4
#9
Meg Henze, Suzanne J Brown, Narelle C Hadlow, John P Walsh
Context: Thyroid function testing often utilizes TSH measurement first, then reflex testing for free T4 if TSH is outside reference range limits. The utility of different TSH cut-offs for reflex testing is unknown. Objective: To examine different TSH cut-offs for reflex free T4 testing. Design, setting and patients: We analyzed concurrent TSH and free T4 results from 120 403 individuals from a single laboratory in Western Australia (clinical cohort) and 4568 Busselton Health Study participants (community cohort)...
August 30, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28938408/pioneer-factors-foxa1-and-foxa2-assist-selective-glucocorticoid-receptor-signaling-in-human-endometrial-cells
#10
Shannon Whirledge, Edwina P Kisanga, Robert N Taylor, John A Cidlowski
Successful pregnancy relies on dynamic control of cell signaling in order to achieve uterine receptivity and the necessary biological changes required for endometrial decidualization, embryo implantation, and fetal development. Glucocorticoids are master regulators of intracellular signaling and can directly regulate embryo implantation and endometrial remodeling during murine pregnancy. In immortalized human uterine cells, we have shown that glucocorticoids and estradiol co-regulate thousands of genes. Recently, glucocorticoids and estradiol were shown to co-regulate the expression of Left-right determination factor 1 (LEFTY1), previously implicated in the regulation of decidualization...
August 29, 2017: Endocrinology
https://www.readbyqxmd.com/read/28938359/reply-to-real-cosmetic-surgeons-educated-experienced-sincere-prs-d-17-01196
#11
Ajul Shah, Anup Patel, John Smetona, Rod J Rohrich
No abstract text is available yet for this article.
September 18, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28938343/fat-injection-into-ristow-s-space
#12
Morris E Hartstein, Allan E Wulc, John B Holds, Adi Einan-Lifshitz
No abstract text is available yet for this article.
September 16, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28938273/developing-leaders-john-l-cameron-s-greatest-legacy
#13
Keith D Lillemoe
No abstract text is available yet for this article.
September 21, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28938123/reconstructing-prehistoric-african-population-structure
#14
Pontus Skoglund, Jessica C Thompson, Mary E Prendergast, Alissa Mittnik, Kendra Sirak, Mateja Hajdinjak, Tasneem Salie, Nadin Rohland, Swapan Mallick, Alexander Peltzer, Anja Heinze, Iñigo Olalde, Matthew Ferry, Eadaoin Harney, Megan Michel, Kristin Stewardson, Jessica I Cerezo-Román, Chrissy Chiumia, Alison Crowther, Elizabeth Gomani-Chindebvu, Agness O Gidna, Katherine M Grillo, I Taneli Helenius, Garrett Hellenthal, Richard Helm, Mark Horton, Saioa López, Audax Z P Mabulla, John Parkington, Ceri Shipton, Mark G Thomas, Ruth Tibesasa, Menno Welling, Vanessa M Hayes, Douglas J Kennett, Raj Ramesar, Matthias Meyer, Svante Pääbo, Nick Patterson, Alan G Morris, Nicole Boivin, Ron Pinhasi, Johannes Krause, David Reich
We assembled genome-wide data from 16 prehistoric Africans. We show that the anciently divergent lineage that comprises the primary ancestry of the southern African San had a wider distribution in the past, contributing approximately two-thirds of the ancestry of Malawi hunter-gatherers ∼8,100-2,500 years ago and approximately one-third of the ancestry of Tanzanian hunter-gatherers ∼1,400 years ago. We document how the spread of farmers from western Africa involved complete replacement of local hunter-gatherers in some regions, and we track the spread of herders by showing that the population of a ∼3,100-year-old pastoralist from Tanzania contributed ancestry to people from northeastern to southern Africa, including a ∼1,200-year-old southern African pastoralist...
September 21, 2017: Cell
https://www.readbyqxmd.com/read/28938117/retraction-notice-to-calcium-and-sol-protease-mediate-temperature-resetting-of-circadian-clocks
#15
Ozgur Tataroglu, Xiaohu Zhao, Ania Busza, Jinli Ling, John S O'Neill, Patrick Emery
No abstract text is available yet for this article.
September 21, 2017: Cell
https://www.readbyqxmd.com/read/28938084/the-evolving-understanding-of-dopamine-neurons-in-the-substantia-nigra-and-ventral-tegmental-area
#16
Stephanie C Gantz, Christopher P Ford, Hitoshi Morikawa, John T Williams
In recent years, the population of neurons in the ventral tegmental area (VTA) and substantia nigra (SN) has been examined at multiple levels. The results indicate that the projections, neurochemistry, and receptor and ion channel expression in this cell population vary widely. This review centers on the intrinsic properties and synaptic regulation that control the activity of dopamine neurons. Although all dopamine neurons fire action potentials in a pacemaker pattern in the absence of synaptic input, the intrinsic properties that underlie this activity differ considerably...
September 22, 2017: Annual Review of Physiology
https://www.readbyqxmd.com/read/28938049/detection-of-mutations-in-gyrb-using-denaturing-high-performance-liquid-chromatography-dhplc-among-salmonella-enterica-serovar-typhi-and-paratyphi-a
#17
Ruchi Gupta, Rajni Gaind, Laishram Chandreshwor Singh, Bianca Paglietti, Monorama Deb, Salvatore Rubino, John Wain, Seemi Farhat Basir
Background: Fluoroquinolone resistance is mediated by mutations in the quinolone-resistance determining region (QRDR) of the topoisomerase genes. Denaturing high performance liquid chromatography (DHPLC) was evaluated for detection of clinically important mutations in gyrB among Salmonella. Methods: Salmonella Typhi and S. Paratyphi A characterised for mutation in QRDR of gyrA, parC and parE were studied for mutation in gyrB by DHPLC and validated by sequencing...
December 1, 2016: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28938007/neuropilin-1-modulates-tgf%C3%AE-signaling-to-drive-glioblastoma-growth-and-recurrence-after-anti-angiogenic-therapy
#18
Sam C Kwiatkowski, Paola A Guerrero, Shinya Hirota, Zhihua Chen, John E Morales, Manish Aghi, Joseph H McCarty
Glioblastoma (GBM) is a rapidly progressive brain cancer that exploits the neural microenvironment, and particularly blood vessels, for selective growth and survival. Anti-angiogenic agents such as the vascular endothelial growth factor-A (VEGF-A) blocking antibody bevacizumab yield short-term benefits to patients due to blood vessel regression and stabilization of vascular permeability. However, tumor recurrence is common, and this is associated with acquired resistance to bevacizumab. The mechanisms that drive acquired resistance and tumor recurrence in response to anti-angiogenic therapy remain largely unknown...
2017: PloS One
https://www.readbyqxmd.com/read/28937983/-18f-fdopa-standardized-uptake-values-of-brain-tumors-are-not-exclusively-dependent-on-lat1-expression
#19
Bérengère Dadone-Montaudié, Damien Ambrosetti, Maxime Dufour, Jacques Darcourt, Fabien Almairac, John Coyne, Thierry Virolle, Olivier Humbert, Fanny Burel-Vandenbos
[18F]-FDOPA is a labeled amino acid (AA) analog used for positron emission tomography (PET) which is gaining increasing interest in the evaluation of brain tumors (BT). The AA-transporter LAT1 has been shown to be involved in [18F]-FDOPA uptake. The aim of this study was to determine whether the [18F]-FDOPA uptake was correlated with level of LAT1 expression in BT. Twenty-eight BT (including 19 gliomas and 9 metastases) were investigated by [18F]-FDOPA-PET prior to surgery and by anti-LAT1 immunohistochemistry on surgical specimens...
2017: PloS One
https://www.readbyqxmd.com/read/28937976/tissue-engineering-for-the-treatment-of-short-bowel-syndrome-in-children
#20
REVIEW
Laura Y Martin, Mitchell R Ladd, Adam Werts, Chhinder P Sodhi, John C March, David J Hackam
Short bowel syndrome is a major cause of morbidity and mortality in children. Despite decades of experience in the management of short bowel syndrome, current therapy is primarily supportive. Definitive treatment often requires intestinal transplantation, which is associated with significant morbidity and mortality. In order to develop novel approaches to the treatment of short bowel syndrome, we and others have focused on the development of an artificial intestine, by placing intestinal stem cells on a bioscaffold that has an absorptive surface resembling native intestine, and taking advantage of neovascularization to develop a blood supply...
September 22, 2017: Pediatric Research
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