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https://www.readbyqxmd.com/read/28442372/long-term-release-and-stability-of-pharmaceutical-proteins-delivered-from-solid-lipid-implants
#1
Moritz Vollrath, Julia Engert, Gerhard Winter
Solid lipid implants (SLIs) prepared by twin-screw (tsc) extrusion represent a promising technology platform for the sustained release of pharmaceutical proteins. In this work, we report on two aspects, long-term release and stability of released protein. First, SLIs were produced by tsc-extrusion containing the low melting triglyceride H12 and the high melting triglyceride Dynasan D118. Two different proteins available in a freeze-dried matrix containing hydroxypropyl-β-cyclodextrine (HP-β-CD) were incorporated into the lipid matrix: a monoclonal antibody (mAb) from the IgG1 class and the fab-fragment Ranibizumab (Lucentis(®))...
April 22, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28441319/speyeria-lepidoptera-nymphalidae-conservation
#2
REVIEW
Steven R Sims
Speyeria (Nymphalidae) are a conspicuous component of the North American butterfly fauna. There are approximately 16 species and >100 associated subspecies (or geographical variants). Speyeria are univoltine, occupy a wide range of habitats, overwinter as first instar larvae, and feed only on native violets. Speyeria species have become a model group for studies of evolution, speciation, and conservation. Several species and subspecies are threatened or endangered. The reasons for this vary with the taxa involved, but always involve the degradation or loss of quality habitat for larvae and adults...
April 25, 2017: Insects
https://www.readbyqxmd.com/read/28440233/-clinical-cytology-for-endoscopists-a-practical-guide
#3
REVIEW
Michael Hocke, Theodoros Topalidis, Barbara Braden, Christoph F Dietrich
Clinical cytology was originally used by clinicians to provide rapid diagnosis. However, with advancing medical subspecialization, few clinicians interpret cytology themselves these days, for example, gynecologists, hematologists, urologists, and occasional gastroenterologist (mainly in Asian countries). Cytological assessment enjoyed a renaissance with the development of endoscopic ultrasound (EUS)-guided fine-needle aspiration (FNA). Subsequently, pathologists, most of them more experienced in histology, had to take over...
March 2017: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/28439196/clinical-differences-of-influenza-subspecies-among-hospitalized-children
#4
Manolya Acar, Murat Sütçü, Hacer Aktürk, Selda Hançerli Törün, Metin Uysalol, Sevim Meşe, Nuran Salman, Ayper Somer
AIM: Clinical findings, mortality, and morbidity rates differ among influenza subspecies. Awareness of these differences will lead physicians to choose the proper diagnostic and therapeutic strategies and to foresee possible complications. The aim of this study was to evaluate the clinical differences of influenza subspecies among hospitalized children. MATERIAL AND METHODS: Hospitalized children with proven influenza infection by polymerase chain reaction on nasopharyngeal swab specimens in our clinic, between December 2013 and March 2016, were enrolled...
March 2017: Türk Pediatri Arşivi
https://www.readbyqxmd.com/read/28436433/pathways-and-genes-associated-with-immune-dysfunction-in-sheep-paratuberculosis
#5
Anton Gossner, Craig Watkins, Francesca Chianini, John Hopkins
Multibacillary and paucibacillary paratuberculosis are both caused by Mycobacterium avium subspecies paratuberculosis. Multibacillary lesions are composed largely of infected epithelioid macrophages and paucibacillary lesions contain T cells but few bacteria. Multibacillary disease is similar to human lepromatous leprosy, with variable/high levels of antibody and a dysfunctional immune response. Animals with paucibacillary disease have high cell-mediated immunity and variable levels of antibody. This study aims to characterize the immunological dysfunction using TruSeq analysis of the ileocaecal lymph node that drains disease lesions...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28433796/genetic-diversity-and-virulence-genes-of-salmonella-enterica-subspecies-enterica-serotype-enteritidis-isolated-from-meats-and-eggs
#6
Fatemeh Fardsanei, Mohammad Mehdi Soltan Dallal, Masoumeh Douraghi, Taghi Zahraei Salehi, Mahmood Mahmoodi, Hamed Memariani, Farhad Nikkhahi
Salmonella enterica subspecies enterica serotype Enteritidis (S. Enteritidis) is one of the leading causes of food-borne gastroenteritis associated with the consumption of contaminated food products of animal origin. Little is known about the genetic diversity and virulence content of S. Enteritidis isolated from poultry meats and eggs in Iran. A total of 34 S. Enteritidis strains were collected from different food sources of animal origin in Tehran from May 2015 to July 2016. All of the S. Enteritidis strains were serotyped, antimicrobial susceptibility tested, and characterized for virulence genes...
April 19, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28431316/pbdes-polybrominated-diphenyl-ethers-pose-a-risk-to-captive-giant-pandas
#7
Yi-Ping Chen, Ying-Juan Zheng, Qiang Liu, Aaron M Ellison, Yan Zhao, Qing-Yi Ma
The Qinling subspecies of giant panda (Ailuropoda melanoleuca qinlingensis), is highly endangered; fewer than 350 individuals still inhabit Qinling Mountains. Previous research revealed captive pandas were exposed to bromine, so we hypothesized that captive pandas were exposed to and affected by polybrominated diphenyl ethers (PBDEs). To test this hypothesis, we tested blood and feces of captive and wild pandas, their drinking water, food (bamboo leaves) from SWARC (Shaanxi Wild Animal Research Center)and FNNR (Foping National Nature Reserve) and supplemental feedstuff given to captive panda at SWARC...
April 18, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28430157/development-of-user-friendly-method-to-distinguish-subspecies-of-the-korean-medicinal-herb-perilla-frutescens-using-multiplex-pcr
#8
Yonguk Kim, Ah-Young Kim, Ara Jo, Hakjoon Choi, Seung-Sik Cho, Chulyung Choi
Perilla (Perilla frutescens) is an economically and culturally important plant in East Asia. Plant breeding between cultivars has enhanced the genetic diversity of perilla overall, but means that functionally diverse subspecies are more difficult to identify and distinguish. In this study, we developed gene-based DNA markers to distinguish between the Korean herbal medicinal perilla varieties. We identified informative simple sequence repeat (SSR) regions on the promoter regions of the Myb-P1 and dihydroflavonol 4-reductase (DFR) genes, as well as a large insertion-deletion (indel) region in the limonene synthase (LS) gene, and developed markers to characterize the distinct subspecies differences (PfMyb-P1pro, PfDFRpro, and PfLS, respectively)...
April 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28428147/title-high-genetic-diversities-between-isolates-of-the-fish-parasite-cryptocaryon-irritans-ciliophora-suggest-multiple-cryptic-species
#9
Hongshu Chi, Patricia Taik, Emily J Foley, Alycia C Racicot, Hilary M Gray, Katherine E Guzzetta, Hsin-Yun Lin, Yen-Ling Song, Che-Huang Tung, Kosuke Zenke, Tomoyoshi Yoshinaga, Chao-Yin Cheng, Wei-Jen Chang, Hui Gong
The ciliate protozoan Cryptocaryon irritans parasitizes marine fish and causes lethal white spot disease. Sporadic infections as well as large-scale outbreaks have been reported globally and the parasite's broad host range poses particular threat to the aquaculture and ornamental fish markets. In order to better understand C. irritans' population structure, we sequenced and compared mitochondrial cox-1, SSU rRNA, and ITS-1 sequences from 8 new isolates of C. irritans collected in China, Japan, and Taiwan. We detected two SSU rRNA haplotypes, which differ at three positions, separating the isolates into two main groups (I and II)...
April 18, 2017: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/28427346/karyotypic-evolution-of-the-medicago-complex-sativa-caerulea-falcata-inferred-from-comparative-cytogenetic-analysis
#10
Feng Yu, Haiqing Wang, Yanyan Zhao, Ruijuan Liu, Quanwen Dou, Jiangli Dong, Tao Wang
BACKGROUND: Polyploidy plays an important role in the adaptation and speciation of plants. The alteration of karyotype is a significant event during polyploidy formation. The Medicago sativa complex includes both diploid (2n = 2× = 16) and tetraploid (2n = 2× = 32) subspecies. The tetraploid M. ssp. sativa was regarded as having a simple autopolyploid origin from diploid ssp. caerulea, whereas the autopolyploid origin of tetraploid ssp. falcata from diploid form ssp. falcata is still in doubt...
April 21, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/28421044/comparative-genomics-of-glossina-palpalis-gambiensis-and-g-morsitans-morsitans-to-reveal-gene-orthologs-involved-in-infection-by-trypanosoma-brucei-gambiense
#11
Illiassou Hamidou Soumana, Bernadette Tchicaya, Stéphanie Rialle, Hugues Parrinello, Anne Geiger
Blood-feeding Glossina palpalis gambiense (Gpg) fly transmits the single-celled eukaryotic parasite Trypanosoma brucei gambiense (Tbg), the second Glossina fly African trypanosome pair being Glossina morsitans/T.brucei rhodesiense. Whatever the T. brucei subspecies, whereas the onset of their developmental program in the zoo-anthropophilic blood feeding flies does unfold in the fly midgut, its completion is taking place in the fly salivary gland where does emerge a low size metacyclic trypomastigote population displaying features that account for its establishment in mammals-human individuals included...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28420848/myositis-ossificans-of-the-hip-due-to-pyogenic-arthritis-caused-by-campylobacter-fetus-subspecies-fetus
#12
Sho Nishiguchi, Ichiro Sekine, Shun Kuroda, Morihiko Sato, Izumi Kitagawa
A 61-year-old woman was admitted with severe hip pain causing immobility and high serum levels of inflammatory markers. The patient had a medical history of diabetes. She had been scheduled to undergo right hip replacement surgery for the treatment of osteoarthritis associated with gradually progressive pain. On admission, an enhanced abdominal computed tomography scan showed an abnormal increase in synovial fluid surrounding the right ilium, with piriformis muscle calcification. Subsequent blood and specimen cultures identified Campylobacter fetus subspecies fetus...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28420345/selective-sweep-with-significant-positive-selection-serves-as-the-driving-force-for-the-differentiation-of-japonica-and-indica-rice-cultivars
#13
Yang Yuan, Qijun Zhang, Shuiyun Zeng, Longjiang Gu, Weina Si, Xiaohui Zhang, Dacheng Tian, Sihai Yang, Long Wang
BACKGROUND: Asian cultivated rice (Oryza sativa L.), including japonica and indica, is unarguable the most important crop in Asia as well as worldwide. However, a decisive conclusion of its origination and domestication processes are still lacking. Nowadays, the ever-increasing high-throughput sequencing data of numerous rice samples have provided us new opportunities to get close to the answer of these questions. RESULTS: By compiling 296 whole-genome sequenced rice cultivars and 39 diverse wild rice, two types of domesticated regions (DR-I and DR-II) with strong selective sweep signals between different groups were detected...
April 19, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28419113/evaluation-of-harvest-and-information-needs-for-north-american-sea-ducks
#14
Mark D Koneff, Guthrie S Zimmerman, Chris P Dwyer, Kathleen K Fleming, Paul I Padding, Patrick K Devers, Fred A Johnson, Michael C Runge, Anthony J Roberts
Wildlife managers routinely seek to establish sustainable limits of sport harvest or other regulated forms of take while confronted with considerable uncertainty. A growing body of ecological research focuses on methods to describe and account for uncertainty in management decision-making and to prioritize research and monitoring investments to reduce the most influential uncertainties. We used simulation methods incorporating measures of demographic uncertainty to evaluate risk of overharvest and prioritize information needs for North American sea ducks (Tribe Mergini)...
2017: PloS One
https://www.readbyqxmd.com/read/28418277/geographical-variation-in-the-skeletal-morphology-of-red-jungle-fowl
#15
H Endo, N Tsunekawa, M Sonoe, T Sasaki, H Ogawa, T Amano, N T Son, V Phimphachanhvongsod, K Kudo, T Yonezawa, F Akishinonomiya
1. The skulls and postcranial skeletons of the red jungle fowl (Gallus gallus) were compared osteometrically between the populations from North and South Vietnam, North and Central Laos and Southeast Bangladesh. The populations include the three subspecies of G. g. spadiceus, G. g. gallus and G. g. murghi and were sampled to reveal the geographical morphological variations among populations in G. gallus. 2. The morphometric characteristics of subspecies murghi could be clearly distinguished from those of the other subspecies using a canonical discriminant analysis...
April 18, 2017: British Poultry Science
https://www.readbyqxmd.com/read/28414633/genome-wide-analysis-provides-evidence-on-the-genetic-relatedness-of-the-emergent-xylella-fastidiosa-genotype-in-italy-to-isolates-from-central-america
#16
Annalisa Giampetruzzi, Maria Saponari, Giuliana Loconsole, Donato Boscia, Vito Nicola Savino, Rodrigo Almeida, Stefania Zicca, Blanca Landa, Carlos Chacon Diaz, Pasquale Saldarelli
Xylella fastidiosa is a plant pathogenic bacterium recently introduced in Europe that is causing decline in olive trees in the South of Italy. Genetic studies have consistently shown that the bacterial genotype recovered from infected olive trees belongs to the sequence type ST53 within subspecies pauca. This genotype, ST53, has also been reported to occur in Costa Rica. The ancestry of ST53 was recently clarified, showing it contains alleles which are monophyletic with those of subsp. pauca in South America...
April 17, 2017: Phytopathology
https://www.readbyqxmd.com/read/28413431/asian-house-rats-may-facilitate-their-invasive-success-through-suppressing-brown-rats-in-chronic-interaction
#17
Hong-Ling Guo, Hua-Jing Teng, Jin-Hua Zhang, Jian-Xu Zhang, Yao-Hua Zhang
BACKGROUND: The Asian house rat (Rattus tanezumi) and the brown rat (Rattus norvegicus) are closely related species and are partially sympatric in southern China. Over the past 20 years, R. tanezumi has significantly expanded northward in China and partially replaced the native brown rat subspecies, R. n. humiliatus. Although invasive species are often more aggressive than native species, we did not observe interspecific physical aggression between R. tanezumi and R. n. humiliatus. Here, we focused on whether or not R...
2017: Frontiers in Zoology
https://www.readbyqxmd.com/read/28408977/mitogenomes-of-giant-skipper-butterflies-reveal-an-ancient-split-between-deep-and-shallow-root-feeders
#18
Jing Zhang, Qian Cong, Xiao-Ling Fan, Rongjiang Wang, Min Wang, Nick V Grishin
Background: Giant-Skipper butterflies from the genus Megathymus are North American endemics. These large and thick-bodied Skippers resemble moths and are unique in their life cycles. Grub-like at the later stages of development, caterpillars of these species feed and live inside yucca roots. Adults do not feed and are mostly local, not straying far from the patches of yucca plants. Methods: Pieces of muscle were dissected from the thorax of specimens and genomic DNA was extracted (also from the abdomen of a specimen collected nearly 60 years ago)...
2017: F1000Research
https://www.readbyqxmd.com/read/28406446/is-there-any-alternative-to-canonical-dna-barcoding-of-multicellular-eukaryotic-species-a-case-for-the-tubulin-gene-family
#19
Diego Breviario
Modern taxonomy is largely relying on DNA barcoding, a nucleotide sequence-based approach that provides automated species identification using short orthologous DNA regions, mainly of organellar origin when applied to multicellular Eukaryotic species. Target DNA loci have been selected that contain a minimal amount of nucleotide sequence variation within species while diverging among species. This strategy is quite effective for the identification of vertebrates and other animal lineages but poses a problem in plants where different combinations of two or three loci are constantly used...
April 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28405281/patterns-of-genetic-phenotypic-and-acoustic-variation-across-a-chiffchaff-phylloscopus-collybita-abietinus-tristis-hybrid-zone
#20
Daria Shipilina, Maksym Serbyn, Vladimir Ivanitskii, Irina Marova, Niclas Backström
Characterizing patterns of evolution of genetic and phenotypic divergence between incipient species is essential to understand how evolution of reproductive isolation proceeds. Hybrid zones are excellent for studying such processes, as they provide opportunities to assess trait variation in individuals with mixed genetic background and to quantify gene flow across different genomic regions. Here, we combine plumage, song, mtDNA and whole-genome sequence data and analyze variation across a sympatric zone between the European and the Siberian chiffchaff (Phylloscopus collybita abietinus/tristis) to study how gene exchange between the lineages affects trait variation...
April 2017: Ecology and Evolution
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