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https://www.readbyqxmd.com/read/28241106/future-of-testicular-germ-cell-tumor-incidence-in-the-united-states-forecast-through-2026
#1
Armen A Ghazarian, Scott P Kelly, Sean F Altekruse, Philip S Rosenberg, Katherine A McGlynn
BACKGROUND: Testicular germ cell tumors (TGCTs) are rare tumors in the general population but are the most commonly occurring malignancy among males between ages 15 and 44 years in the United States (US). Although non-Hispanic whites (NHWs) have the highest incidence in the US, rates among Hispanics have increased the most in recent years. To forecast what these incidence rates may be in the future, an analysis of TGCT incidence in the Surveillance, Epidemiology, and End Results program and the National Program of Cancer Registries was conducted...
February 27, 2017: Cancer
https://www.readbyqxmd.com/read/28241055/autopolyploidy-genome-duplication-preserves-other-ancient-genome-duplications-in-atlantic-salmon-salmo-salar
#2
Kris A Christensen, William S Davidson
Salmonids (e.g. Atlantic salmon, Pacific salmon, and trouts) have a long legacy of genome duplication. In addition to three ancient genome duplications that all teleosts are thought to share, salmonids have had one additional genome duplication. We explored a methodology for untangling these duplications from each other to better understand them in Atlantic salmon. In this methodology, homeologous regions (paralogous/duplicated genomic regions originating from a whole genome duplication) from the most recent genome duplication were assumed to have duplicated genes at greater density and have greater sequence similarity...
2017: PloS One
https://www.readbyqxmd.com/read/28241043/use-of-eschar-swabbing-for-the-molecular-diagnosis-and-genotyping-of-orientia-tsutsugamushi-causing-scrub-typhus-in-quang-nam-province-vietnam
#3
Nhiem Le Viet, Maureen Laroche, Hoa L Thi Pham, Nho L Viet, Oleg Mediannikov, Didier Raoult, Philippe Parola
BACKGROUND: Scrub typhus is a rickettsiosis which is caused by Orientia tsutsugamushi and occurs throughout the Asia-Pacific region. Molecular diagnosis of rickettsioses using eschar swabs has recently emerged, and may be very useful for the diagnosis of these diseases in tropical settings. METHODOLOGY/PRINCIPAL FINDINGS: Quantitative polymerase chain reaction (qPCR) was used to detect O. tsutsugamushi DNA in whole blood and eschar swab specimens of 67 patients who were clinically suspected of scrub typhus in Quang Nam province, Vietnam...
February 27, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28239473/fine-scale-foraging-movements-by-fish-eating-killer-whales-orcinus-orca-relate-to-the-vertical-distributions-and-escape-responses-of-salmonid-prey-oncorhynchus-spp
#4
Brianna M Wright, John K B Ford, Graeme M Ellis, Volker B Deecke, Ari Daniel Shapiro, Brian C Battaile, Andrew W Trites
BACKGROUND: We sought to quantitatively describe the fine-scale foraging behavior of northern resident killer whales (Orcinus orca), a population of fish-eating killer whales that feeds almost exclusively on Pacific salmon (Oncorhynchus spp.). To reconstruct the underwater movements of these specialist predators, we deployed 34 biologging Dtags on 32 individuals and collected high-resolution, three-dimensional accelerometry and acoustic data. We used the resulting dive paths to compare killer whale foraging behavior to the distributions of different salmonid prey species...
2017: Movement Ecology
https://www.readbyqxmd.com/read/28239430/hiv-infected-children-in-the-asia-pacific-region-with-baseline-severe-anemia-antiretroviral-therapy-and-outcomes
#5
Pagakrong Lumbiganon, Pope Kosalaraksa, Torsak Bunupuradah, David Boettiger, Vonthanak Saphonn, Khanh H Truong, Nia Kurniati, Rawiwan Hansudewechakul, Viet C Do, Tavitiya Sudjaritruk, Nagalingeswaran Kumarasamy, Nantakar Kongstan, Nik K N Yusoff, Lam V Nguyen, Dewi K Wati, Kamarul Razali, Annette H Sohn, Azar Kariminia
BACKGROUND: Severe anemia is common among children infected with human immunodeficiency virus (HIV). The choice of antiretroviral (ART) regimen needs careful consideration. No information is available regarding the initial ART regimens used in the Asia-Pacific region and the rate of switch of ART regimens in HIV-infected children with severe anemia. OBJECTIVES: To study the initial ART regimens and the rate of switch of ART regimens used during the first 36 months in HIV-infected children with severe anemia and to evaluate their clinical and laboratory outcomes...
June 2016: Asian Biomedicine: Research, Reviews and News
https://www.readbyqxmd.com/read/28239259/diversity-and-distribution-patterns-of-the-oligocene-and-miocene-decapod-crustaceans-crustacea-malacostraca-of-the-western-and-central-paratethys
#6
Matúš Hyžný
Decapod associations have been significant components of marine habitats throughout the Cenozoic when the major diversification of the group occurred. In this respect, the circum-Mediterranean area is of particular interest due to its complex palaeogeographic history. During the Oligo-Miocene, it was divided in two major areas, Mediterranean and Paratethys. Decapod crustaceans from the Paratethys Sea have been reported in the literature since the 19(th) century, but only recent research advances allow evaluation of the diversity and distribution patterns of the group...
October 2016: Geologica Carpathica: the Journal of Geological Institute of Slovak Academy of Sciences
https://www.readbyqxmd.com/read/28238878/characterization-and-expression-analysis-of-serpinb3-the-first-clade-b-serine-protease-inhibitor-in-pacific-white-shrimp-litopenaeus-vannamei
#7
Yongjie Liu, Fujun Hou, Xiaolin Liu
Currently, about nine serpin clades (A-I) were preferentially observed in higher animals and clustered on the basis of function. Of these, eight clades contain extracellular proteins, while clade B contains predominantly intracellular proteins. In the present study, the first clade B serpin (named LvserpinB3) was identified from the Pacific white shrimp Litopenaeus vannamei. LvserpinB3 encoded a 412-amino acid protein with a 19-amino acid signal peptide and a serpin domain. Moreover, a transmembrane helix (TMHs) was predicted to be located on the N-terminal of LvserpinB3...
February 23, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28238183/associations-between-trace-elements-and-clinical-health-parameters-in-the-north-pacific-loggerhead-sea-turtle-caretta-caretta-from-baja-california-sur-mexico
#8
César Paúl Ley-Quiñónez, Natalia Alejandra Rossi-Lafferriere, Teresa Leticia Espinoza-Carreon, Catherine Edwina Hart, Sherwood Hoyt Peckham, Alfredo Alonso Aguirre, Alan Alfredo Zavala-Norzagaray
This study investigated selected trace elements toxicity in sea turtles Caretta caretta population from Baja California Sur (BCS), Mexico, by analyzing associations among Zn, Se, Cu, As, Cd, Ni, Mn, Pb, and Hg with various biochemical parameters (packed cell volume, leukocytes, and selected blood parameters), and whether their concentrations could have an impact on the health status of sea turtles. Blood samples from 22 loggerhead (C. caretta) sea turtles from BCS, Mexico, were collected for trace elements on biochemistry parameter analyses...
February 25, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28237812/physiological-and-behavioral-effects-of-exogenous-corticosterone-in-a-free-ranging-ectotherm
#9
Natalie M Claunch, Julius A Frazier, Camilo Escallón, Ben J Vernasco, Ignacio T Moore, Emily N Taylor
In the face of global change, free-ranging organisms are expected to experience more unpredictable stressors. An understanding of how organisms with different life history strategies will respond to such changes is an integral part of biodiversity conservation. Corticosterone (CORT) levels are often used as metrics to assess the population health of wild vertebrates, despite the fact that the stress response and its effects on organismal function are highly variable. Our understanding of the stress response is primarily derived from studies on endotherms, leading to some contention on the effects of chronic stress across and within taxa...
February 22, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28236646/an-invertebrate-sting-from-shrimp-activates-an-innate-immune-defense-against-bacterial-infection
#10
Haoyang Li, Sheng Wang, Kai Lǚ, Bin Yin, Bang Xiao, Sedong Li, Jianguo He, Chaozheng Li
It has been proposed that invertebrate stimulators of interferon genes (STINGs) do not take part in the innate immune response to infection. Herein, we identified a new STING homolog from pacific white shrimp Litopenaeus vannamei (LvSTING). Some amino acids crucial for recognizing cyclic dinucleotides in mammals are highly conserved in LvSTING. Moreover, LvSTING expression can be robustly induced by challenge with the Gram-negative bacteria Vibrio parahaemolyticus. Silencing of LvSTING contributes to decreased expression of the antimicrobial peptide PEN4 and renders shrimp more susceptible to V...
February 25, 2017: FEBS Letters
https://www.readbyqxmd.com/read/28236555/development-of-a-low-level-39-ar-calibration-standard-analysis-by-absolute-gas-counting-measurements-augmented-with-simulation
#11
R M Williams, C E Aalseth, J M Brandenberger, A R Day, E Finn, E S Fuller, E W Hoppe, P H Humble, M E Keillor, E K Mace, A W Myers, C T Overman, M E Panisko, A Seifert, S K White
This paper describes the generation of (39)Ar, via reactor irradiation of potassium carbonate, followed by quantitative analysis (length-compensated proportional counting) to yield two calibration standards that are respectively 50 and 3 times atmospheric background levels. Measurements were performed in Pacific Northwest National Laboratory's shallow underground counting laboratory studying the effect of gas density on beta-transport; these results are compared with simulation. The total expanded uncertainty of the specific activity for the ~50× (39)Ar in P10 standard is 3...
February 17, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28236554/background-characterization-of-an-ultra-low-background-liquid-scintillation-counter
#12
J L Erchinger, J L Orrell, C E Aalseth, B E Bernacki, M Douglas, E S Fuller, M E Keillor, C M Marianno, S M Morley, C A Mullen, M E Panisko, G A Warren
The Ultra-Low Background Liquid Scintillation Counter developed by Pacific Northwest National Laboratory will expand the application of liquid scintillation counting by enabling lower detection limits and smaller sample volumes. By reducing the overall count rate of the background environment approximately 2 orders of magnitude below that of commercially available systems, backgrounds on the order of tens of counts per day over an energy range of ~3-3600keV can be realized. Initial test results of the ULB LSC show promising results for ultra-low background detection with liquid scintillation counting...
January 26, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28236125/predictors-of-academic-success-for-m%C3%A4-ori-pacific-and-non-m%C3%A4-ori-non-pacific-students-in-health-professional-education-a-quantitative-analysis
#13
Erena Wikaire, Elana Curtis, Donna Cormack, Yannan Jiang, Louise McMillan, Rob Loto, Papaarangi Reid
Tertiary institutions internationally aim to increase student diversity, however are struggling to achieve equitable academic outcomes for indigenous and ethnic minority students and detailed exploration of factors that impact on success is required. This study explored the predictive effect of admission variables on academic outcomes for health professional students by ethnic grouping. Kaupapa Māori and Pacific research methodologies were used to conduct a quantitative analysis using data for 2686 health professional students [150 Māori, 257 Pacific, 2279, non-Māori non-Pacific (nMnP)]...
February 24, 2017: Advances in Health Sciences Education: Theory and Practice
https://www.readbyqxmd.com/read/28231621/the-biogeography-of-tropical-reef-fishes-endemism-and-provinciality-through-time
#14
Peter F Cowman, Valeriano Parravicini, Michel Kulbicki, Sergio R Floeter
The largest marine biodiversity hotspot straddles the Indian and Pacific Oceans, driven by taxa associated with tropical coral reefs. Centred on the Indo-Australian Archipelago (IAA), this biodiversity hotspot forms the 'bullseye' of a steep gradient in species richness from this centre to the periphery of the vast Indo-Pacific region. Complex patterns of endemism, wide-ranging species and assemblage differences have obscured our understanding of the genesis of this biodiversity pattern and its maintenance across two-thirds of the world's oceans...
February 23, 2017: Biological Reviews of the Cambridge Philosophical Society
https://www.readbyqxmd.com/read/28230056/threshold-of-long-term-survival-of-a-coastal-delphinid-in-anthropogenically-degraded-environment-indo-pacific-humpback-dolphins-in-pearl-river-delta
#15
Leszek Karczmarski, Shiang-Lin Huang, Stephen C Y Chan
Defining demographic and ecological threshold of population persistence can assist in informing conservation management. We undertook such analyses for the Indo-Pacific humpback dolphin (Sousa chinensis) in the Pearl River Delta (PRD) region, southeast China. We use adult survival estimates for assessments of population status and annual rate of change. Our estimates indicate that, given a stationary population structure and minimal risk scenario, ~2000 individuals (minimum viable population in carrying capacity, MVPk) can maintain the population persistence across 40 generations...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28229554/comparison-of-egg-envelope-thickness-in-teleosts-and-its-relationship-to-the-sites-of-zp-protein-synthesis
#16
Kaori Sano, Mari Kawaguchi, Keita Katano, Kenji Tomita, Mayu Inokuchi, Tatsuki Nagasawa, Junya Hiroi, Toyoji Kaneko, Takashi Kitagawa, Takafumi Fujimoto, Katsutoshi Arai, Masaru Tanaka, Shigeki Yasumasu
Teleost egg envelope generally consists of a thin outer layer and a thick inner layer. The inner layer of the Pacific herring egg envelope is further divided into distinct inner layers I and II. In our previous study, we cloned four zona pellucida (ZP) proteins (HgZPBa, HgZPBb, HgZPCa, and HgZPCb) from Pacific herring, two of which (HgZPBa and HgZPCa) were synthesized in the liver and two (HgZPBb and HgZPCb) in the ovary. In this study, we raised antibodies against these four proteins to identify their locations using immunohistochemistry...
February 23, 2017: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://www.readbyqxmd.com/read/28228688/two-new-species-and-a-new-combination-in-protium-burseraceae-from-costa-rica
#17
Daniel Santamaría-Aguilar, Laura P Lagomarsino
Two new species of Protium (Burseraceae) are described and illustrated: Protium aguilariisp. nov., from the Pacific slope of the Osa Peninsula, Puntarenas Province, Costa Rica; and Protium hammeliisp. nov., from wet forests on the Caribbean slopes of Nicaragua and Costa Rica. In addition, Protium brenesiicomb. nov., is proposed as a new combination based on Trichilia brenesii, a name that was based on a specimen collected with flowers in the mountains near San Ramón, Alajuela Province, Costa Rica. It is compared with Protium costaricense, a similar species with which it has been confused for more than 90 years...
2017: PhytoKeys
https://www.readbyqxmd.com/read/28228681/discovery-of-a-new-species-of-hermit-crab-of-the-genus-pylopaguropsis-alcock-1905-from-the-caribbean-den-commensal-or-cleaner-crustacea-anomura-paguridae
#18
Rafael Lemaitre
A new secretive, yet brightly colored hermit crab species of the family Paguridae, Pylopaguropsis mollymulleraesp. n., is fully described based on specimens from the reefs of Bonaire, Lesser Antilles, southern Caribbean Sea. Populations of this new species were discovered and photographed in the Bonaire National Marine Park under a large coral ledge, at a depth of 13.7 m, living in crevices known by scuba divers to serve as den to a pair of "flaming reef lobsters" Enoplometopus antillensis, or a "broad banded moray" Channomuraena vittata...
2017: ZooKeys
https://www.readbyqxmd.com/read/28228674/towards-a-revision-of-the-genus-periclimenes-resurrection-of-ancylocaris-schenkel-1902-and-designation-of-three-new-genera-crustacea-decapoda-palaemonidae
#19
Zdeněk Ďuriš, Ivona Horká
Based on recently published molecular phylogenies of Indo-West Pacific palaemonid shrimps and further morphological evidence, the systematic position of several species of the polyphyletic genus Periclimenes is revised. The generic name Ancylocaris Schenkel, 1902 is re-established for the anemone-associated Periclimenes brevicarpalis. Actinimenesgen. n., is proposed for the anemone-associated Periclimenes inornatus, Periclimenes ornatellus and Periclimenes ornatus, all of which have a subspatulate first pereiopod...
2017: ZooKeys
https://www.readbyqxmd.com/read/28228672/redescription-of-dynoides-elegans-boone-1923-crustacea-isopoda-sphaeromatidae-from-the-north-eastern-pacific
#20
Regina Wetzer, Gracie Mowery
Dynoides elegans (Boone, 1923) from southern California is reviewed, redescribed, and figured. The original species description did not include figures, making it difficult to attribute individuals to the species. Dynoides saldanai Carvacho and Haasmann, 1984 and Dynoides crenulatus Carvacho & Haasman, 1984 from the Pacific Coast of Mexico and Dynoides brevicornis Kussakin & Malyutina, 1987, from Furugelm Island, Peter the Great Gulf in the Sea of Japan, appear morphologically more similar to each other than to western Pacific species...
2017: ZooKeys
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