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https://www.readbyqxmd.com/read/28340519/barrington-s-nucleus-neuroanatomic-landscape-of-the-mouse-pontine-micturition-center
#1
Anne M J Verstegen, Veronique Vanderhorst, Paul A Gray, Mark L Zeidel, Joel C Geerling
Barrington's nucleus (Bar) is thought to contain neurons that trigger voiding and thereby function as the "pontine micturition center." Lacking detailed information on this region in mice, we examined gene and protein markers to characterize Bar and the neurons surrounding it. Like rats and cats, mice have an ovoid core of medium-sized Bar neurons located medial to the locus coeruleus (LC). Bar neurons express a GFP reporter for Vglut2, develop from a Math1/Atoh1 lineage, and exhibit immunoreactivity for NeuN...
March 24, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28340021/phenamil-an-amiloride-derivative-restricts-long-bone-growth-and-alters-keeled-sternum-bone-architecture-in-growing-chickens
#2
Tara R Price, Kristin Moncada, Hector Leyva-Jimenez, Kye Won Park, Peter Tontonoz, Rosemary L Walzem
"Broiler-type" chickens are fast-grow-ing, heavy-bodied birds with high demands on bone quality. Phenamil increased mineralization in cultured murine mesenchymal stem cells. Phenamil effects were tested in 2 groups of weight and gender matched day-old broiler chickens (n = 13). Oral administration of 30 mg phenamil/kg body weight d 1 to 13 reduced growth of chicks d 5 to 14 (P = 0.002); with phenamil-treated (PT) chick body weight being 84% of vehicle-treated (VT) chicks' body weight on d 14. Tissues collected on d 15 showed that femur lengths and widths did not differ, but tibias from PT chicks were 6% shorter (P = 0...
March 3, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339655/what-should-we-do-when-a-small-pulmonary-embolus-is-diagnosed-unexpectedly
#3
J Thachil
No abstract text is available yet for this article.
February 17, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/28339605/uniparental-chicken-offsprings-derived-from-oogenesis-of-chicken-primordial-germ-cells-zz-%C3%A2
#4
Chunhai Liu, Il-Kuk Chang, Kamal A Khazanehdari, Shruti Thomas, Preetha Varghese, Vijaya Baskar, Razan Alkhatib, Wenhai Li, Jörg Kinne, Michael J McGrew, Ulrich Wernery
Cloning (somatic cell nuclear transfer) in avian species has proven unachievable due to the physical structure of the avian oocyte. Here, the sexual differentiation of primordial germ cells with genetic sex ZZ (ZZ PGCs) was investigated in female germline chimeric chicken hosts with the aim to produce uniparental offspring. ZZ PGCs were expanded in culture and transplanted into the same and opposite sex chicken embryos which were partially sterilized using irradiation. All tested chimeric roosters (ZZ/ZZ) showed germline transmission with transmission rates of 3...
February 2, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28339083/health-risk-assessment-of-environmental-selenium-emerging-evidence-and-challenges-review
#5
Marco Vinceti, Tommaso Filippini, Silvia Cilloni, Annalisa Bargellini, Anna Valeria Vergoni, Aristides Tsatsakis, Margherita Ferrante
New data have been accumulated in the scientific literature in recent years which allow a more adequate risk assessment of selenium with reference to human health. This new evidence comes from environmental studies, carried out in populations characterized by abnormally high or low selenium intakes, and from high-quality and large randomized controlled trials with selenium recently carried out in the US and in other countries. These trials have consistently shown no beneficial effect on cancer and cardiovascular risk, and have yielded indications of unexpected toxic effects of selenium exposure...
March 24, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28338872/data-gathering-belief-flexibility-and-reasoning-across-the-psychosis-continuum
#6
Thomas Ward, Emmanuelle Peters, Mike Jackson, Fern Day, Philippa A Garety
Background: There is evidence for a group of nonclinical individuals with full-blown, persistent psychotic experiences (PEs) but no need-for-care: they are of particular importance in identifying risk and protective factors for clinical psychosis. The aim of this study was to investigate whether reasoning biases are related to PEs or need-for-care. Method: Two groups with persistent PEs (clinical; n = 74; nonclinical; n = 92) and a control group without PEs (n = 83) were compared on jumping-to-conclusions (JTC) and belief flexibility...
March 8, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28338752/strategies-for-evaluating-the-assumptions-of-the-regression-discontinuity-design-a-case-study-using-a-human-papillomavirus-vaccination-programme
#7
Leah M Smith, Linda E Lévesque, Jay S Kaufman, Erin C Strumpf
Background: The regression discontinuity design (RDD) is a quasi-experimental approach used to avoid confounding bias in the assessment of new policies and interventions. It is applied specifically in situations where individuals are assigned to a policy/intervention based on whether they are above or below a pre-specified cut-off on a continuously measured variable, such as birth date, income or weight. The strength of the design is that, provided individuals do not manipulate the value of this variable, assignment to the policy/intervention is considered as good as random for individuals close to the cut-off...
October 8, 2016: International Journal of Epidemiology
https://www.readbyqxmd.com/read/28337945/client-interpersonal-impacts-as-mediators-of-long-term-outcome-in-cognitive-behavioral-therapy-integrated-with-motivational-interviewing-for-generalized-anxiety-disorder
#8
Michael J Constantino, Felicia M Romano, Alice E Coyne, Henny A Westra, Martin M Antony
OBJECTIVE: A recent trial of generalized anxiety disorder treatment (Westra, H. A., Constantino, M. J., & Antony, M. M. (2016). Integrating Motivational Interviewing With Cognitive-Behavioral Therapy for Severe Generalized Anxiety Disorder: An Allegiance-Controlled Randomized Clinical Trial. Journal of Consulting and Clinical Psychology, 84, 768-782. doi: 10.1037/ccp0000098 ) revealed that cognitive-behavioral therapy (CBT) integrated with motivational interviewing (MI) outperformed CBT alone across a 12-month follow up...
March 24, 2017: Psychotherapy Research: Journal of the Society for Psychotherapy Research
https://www.readbyqxmd.com/read/28337799/bergamot-citrus-bergamia-essential-oil-inhalation-improves-positive-feelings-in-the-waiting-room-of-a-mental-health-treatment-center-a-pilot-study
#9
Xuesheng Han, Jacob Gibson, Dennis L Eggett, Tory L Parker
Mental health issues have been increasingly recognized as public health problems globally. Their burden is projected to increase over the next several decades. Additional therapies for mental problems are in urgent need worldwide due to the limitations and costs of existing healthcare approaches. Essential oil aromatherapy can provide a cost-effective and safe treatment for many mental problems. This pilot study observed the effects of bergamot essential oil inhalation on mental health and well-being, as measured by the Positive and Negative Affect Scale, in a mental-health treatment center located in Utah, USA...
March 24, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28337205/high-interferon-%C3%AE-uniquely-in-v%C3%AE-1-t-cells-correlates-with-markers-of-inflammation-and-axonal-damage-in-early-multiple-sclerosis
#10
Avadhesh Kumar Singh, Lenka Novakova, Markus Axelsson, Clas Malmeström, Henrik Zetterberg, Jan Lycke, Susanna L Cardell
We have identified a population of T lymphocytes in peripheral blood, Vδ1 TCRγδ T lymphocytes, which unexpectedly was uniquely expressing high production of interferon-γ in newly diagnosed, untreated multiple sclerosis (MS) patients. IFN-γ production in this population distinctly correlated to parameters of clinical disease activity, inflammation, and neuronal damage. These Vδ1 T lymphocytes belong to a population of innate T lymphocytes that recognize antigen in the context of CD1d/CD1c and which include reactivity to the myelin glycosphingolipid sulfatide...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28337196/salmonella-typhi-porins-ompc-and-ompf-are-potent-adjuvants-for-t-dependent-and-t-independent-antigens
#11
Marisol Pérez-Toledo, Nuriban Valero-Pacheco, Rodolfo Pastelin-Palacios, Cristina Gil-Cruz, Christian Perez-Shibayama, Mario A Moreno-Eutimio, Ingeborg Becker, Sonia Mayra Pérez-Tapia, Lourdes Arriaga-Pizano, Adam F Cunningham, Armando Isibasi, Laura C Bonifaz, Constantino López-Macías
Several microbial components, such as bacterial DNA and flagellin, have been used as experimental vaccine adjuvants because of their inherent capacity to efficiently activate innate immune responses. Likewise, our previous work has shown that the major Salmonella Typhi (S. Typhi) outer membrane proteins OmpC and OmpF (porins) are highly immunogenic protective antigens that efficiently stimulate innate and adaptive immune responses in the absence of exogenous adjuvants. Moreover, S. Typhi porins induce the expression of costimulatory molecules on antigen-presenting cells through toll-like receptor canonical signaling pathways...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28336543/in-vivo-binding-of-prdm9-reveals-interactions-with-noncanonical-genomic-sites
#12
Corinne Grey, Julie A J Clément, Jérôme Buard, Benjamin Leblanc, Ivo Gut, Marta Gut, Laurent Duret, Bernard de Massy
In mouse and human meiosis, DNA double-strand breaks (DSBs) initiate homologous recombination and occur at specific sites called hotspots. The localization of these sites is determined by the sequence-specific DNA binding domain of the PRDM9 histone methyl transferase. Here, we performed an extensive analysis of PRDM9 binding in mouse spermatocytes. Unexpectedly, we identified a noncanonical recruitment of PRDM9 to sites that lack recombination activity and the PRDM9 binding consensus motif. These sites include gene promoters, where PRDM9 is recruited in a DSB-dependent manner...
March 23, 2017: Genome Research
https://www.readbyqxmd.com/read/28336516/a-novel-role-of-the-dna2-translocase-function-in-dna-break-resection
#13
Adam S Miller, James M Daley, Nhung Tuyet Pham, Hengyao Niu, Xiaoyu Xue, Grzegorz Ira, Patrick Sung
DNA double-strand break repair by homologous recombination entails nucleolytic resection of the 5' strand at break ends. Dna2, a flap endonuclease with 5'-3' helicase activity, is involved in the resection process. The Dna2 helicase activity has been implicated in Okazaki fragment processing during DNA replication but is thought to be dispensable for DNA end resection. Unexpectedly, we found a requirement for the helicase function of Dna2 in end resection in budding yeast cells lacking exonuclease 1. Biochemical analysis reveals that ATP hydrolysis-fueled translocation of Dna2 on ssDNA facilitates 5' flap cleavage near a single-strand-double strand junction while attenuating 3' flap incision...
March 23, 2017: Genes & Development
https://www.readbyqxmd.com/read/28336409/development-and-crystallographic-evaluation-of-histone-h3-peptide-with-n-terminal-serine-substitution-as-a-potent-inhibitor-of-lysine-specific-demethylase-1
#14
Yuichi Amano, Masaki Kikuchi, Shin Sato, Shigeyuki Yokoyama, Takashi Umehara, Naoki Umezawa, Tsunehiko Higuchi
Lysine-specific demethylase 1 (LSD1/KDM1A) is a flavoenzyme demethylase, which removes mono- and dimethyl groups from histone H3 Lys4 (H3K4) or Lys9 (H3K9) in complexes with several nuclear proteins. Since LSD1 is implicated in the tumorigenesis and progression of various cancers, LSD1-specific inhibitors are considered as potential anti-cancer agents. A modified H3 peptide with substitution of Lys4 to Met [H3K4M] is already known to be a potent competitive inhibitor of LSD1. In this study, we synthesized a series of H3K4M peptide derivatives and evaluated their LSD1-inhibitory activities in vitro...
March 9, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28336160/unexpected-drug-induced-raynaud-phenomenon-analysis-from-the-french-national-pharmacovigilance-database
#15
Émilie Bouquet, Geoffrey Urbanski, Christian Lavigne, Pascale Lainé-Cessac
OBJECTIVE: To estimate the association between exposure to medicinal products and Raynaud phenomenon. METHODS: The study used the data of all adverse drug reactions notified to the French national pharmacovigilance database. All cases reported between 1st January 1995 and 10th December 2012 were selected. A case/non-case method was used to measure disproportionality of the association between drug exposure and Raynaud phenomenon. The cases concerned all observations involving Raynaud phenomenon...
February 22, 2017: Thérapie
https://www.readbyqxmd.com/read/28335674/an-unexpected-cause-of-transient-diarrhea
#16
Yoen-Young Chuah, Yeong-Yeh Lee, Tzung Jiun Tsai
Migration of percutaneous endoscopic gastrostomy (PEG) tube to colon with gastro-colonic-cutaneous fistula formation is a rare complication of the procedure. Transient episodic diarrhea following each PEG tube feeding is typical of this complication. We present a 72-year-old man with cerebrovascular disease and scoliosis who encountered episodes of transient diarrhea after each PEG tube feeding. His diarrhea was refractory to medications. Colonoscopy demonstrated a mal-positioned PEG in the transverse colon...
March 24, 2017: Postgraduate Medicine
https://www.readbyqxmd.com/read/28335606/isolation-and-identification-of-the-novel-tubulin-polymerization-inhibitor-bifidenone
#17
Russell B Williams, Steven M Martin, Julie A Lawrence, Vanessa L Norman, Mark O'Neil-Johnson, Gary R Eldridge, Courtney M Starks
The pursuit of structurally novel compounds has led to the isolation of a series of neolignans (2-6), for which the structures have been determined from microgram quantities using microcryoprobe NMR technology. Compounds 2-6 provided some unexpectedly clear structure-activity relationship data, with compound 2 demonstrating significantly more potency in the in vitro cytotoxicity assay than the other analogues. Further screening found that compound 2 induces apoptosis with activation of caspase 3/7. The NCI Compare algorithm suggested that compound 2 acts through the inhibition of tubulin/microtubule dynamics...
March 24, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28335587/neuronatin-is-associated-with-anti-inflammatory-role-in-the-white-adipose-tissue
#18
Hye In Ka, Sora Han, Ae Lee Jeong, Sunyi Lee, Hyo Jeong Yong, Ariundavaa Boldbaatar, Hyun Jeong Joo, Su Jung Soh, Ji Young Park, Jong-Seok Lim, Myung Sok Lee, Young Yang
Neuronatin (NNAT) is known to regulate ion channels during brain development and plays a role in maintaining the structure of the nervous system. A previous in silico analysis showed that Nnat was overexpressed in the adipose tissue of an obese rodent model relative to the wild-type. Therefore, the aim of the present study was to investigate the function of Nnat in the adipose tissue. Because obesity is known to systemically induce low-grade inflammation, the Nnat expression level was examined in the adipose tissue obtained from C57BL/6 mice administered lipopolysaccharide (LPS)...
March 24, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28335397/emerging-anti-mitotic-activities-and-other-bioactivities-of-sesquiterpene-compounds-upon-human-cells
#19
REVIEW
Alessandra Bosco, Roy M Golsteyn
We review the bio-activities of natural product sesquiterpenes and present the first description of their effects upon mitosis. This type of biological effect upon cells is unexpected because sesquiterpenes are believed to inactivate proteins through Michael-type additions that cause non-specific cytotoxicity. Yet, certain types of sesquiterpenes can arrest cells in mitosis as measured by cell biology, biochemical and imaging techniques. We have listed the sesquiterpenes that arrest cells in mitosis and analyzed the biological data that support those observations...
March 13, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28334922/scn2a-deletion-improves-survival-and-brain-heart-dynamics-in-the-kcna1-null-mouse-model-of-sudden-unexpected-death-in-epilepsy-sudep
#20
Vikas Mishra, Bharat K Karumuri, Nicole M Gautier, Rui Liu, Timothy N Hutson, Stephanie L Vanhoof-Villalba, Ioannis Vlachos, Leonidas Iasemidis, Edward Glasscock
People with epilepsy have greatly increased probability of premature mortality due to sudden unexpected death in epilepsy (SUDEP). Identifying which patients are most at risk of SUDEP is hindered by a complex genetic etiology, incomplete understanding of the underlying pathophysiology, and lack of prognostic biomarkers. Here we evaluated heterozygous Scn2a gene deletion (Scn2a+/-) as a protective genetic modifier in the Kcna1 knockout mouse (Kcna1-/-) model of SUDEP, while searching for biomarkers of SUDEP risk embedded in electroencephalography (EEG) and electrocardiography (ECG) recordings...
March 15, 2017: Human Molecular Genetics
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