keyword
MENU ▼
Read by QxMD icon Read
search

jh

keyword
https://www.readbyqxmd.com/read/28199783/next-generation-transgenic-cotton-pyramiding-rnai-and-bt-counters-insect-resistance
#1
Mi Ni, Wei Ma, Xiaofang Wang, Meijing Gao, Yan Dai, Xiaoli Wei, Lei Zhang, Yonggang Peng, Shuyuan Chen, Lingyun Ding, Yue Tian, Jie Li, Haiping Wang, Xiaolin Wang, Guowang Xu, Wangzhen Guo, Yihua Yang, Yidong Wu, Shannon Heuberger, Bruce E Tabashnik, Tianzhen Zhang, Zhen Zhu
Transgenic crops producing insecticidal proteins from the bacterium Bacillus thuringiensis (Bt) are extensively cultivated worldwide. To counter rapidly increasing pest resistance to crops that produce single Bt toxins, transgenic plant "pyramids" producing two or more Bt toxins that kill the same pest have been widely adopted. However, cross-resistance and antagonism between Bt toxins limits the sustainability of this approach. Here we describe development and testing of the first pyramids of cotton combining protection from a Bt toxin and RNA interference (RNAi)...
February 15, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28190728/juvenile-hormone-suppresses-resistance-to-infection-in-mated-female-drosophila-melanogaster
#2
Robin A Schwenke, Brian P Lazzaro
Hormonal signaling provides metazoans with the ability to regulate development, growth, metabolism, immune defense, and reproduction in response to internal and external stimuli. The use of hormones as central regulators of physiology makes them prime candidates for mediating allocation of resources to competing biological functions (i.e., hormonal pleiotropy) [1]. In animals, reproductive effort often results in weaker immune responses (e.g., [2-4]), and this reduction is sometimes linked to hormone signaling (see [5-7])...
February 20, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28179214/self-management-support-program-for-patients-with-cardiovascular-diseases-user-centered-development-of-the-tailored-web-based-program-vascular-view
#3
Saskia Puijk-Hekman, Betsie Gi van Gaal, Sebastian Jh Bredie, Maria Wg Nijhuis-van der Sanden, Sandra van Dulmen
BACKGROUND: In addition to medical intervention and counseling, patients with cardiovascular disease (CVD) need to manage their disease and its consequences by themselves in daily life. OBJECTIVE: The aim of this paper is to describe the development of "Vascular View," a comprehensive, multi-component, tailored, Web-based, self-management support program for patients with CVD, and how this program will be tested in an early randomized controlled trial (RCT). METHODS: The Vascular View program was systematically developed in collaboration with an expert group of 6 patients, and separately with a group of 6 health professionals (medical, nursing, and allied health care professionals), according to the following steps of the intervention mapping (IM) framework: (1) conducting a needs assessment; (2) creating matrices of change objectives; (3) selecting theory-based intervention methods and practical applications; (4) organizing methods and applications into an intervention program; (5) planning the adaption, implementation, and sustainability of the program, and (6) generating an evaluation plan...
February 8, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28158248/modeling-the-flux-of-metabolites-in-the-juvenile-hormone-biosynthesis-pathway-using-generalized-additive-models-and-ordinary-differential-equations
#4
Raúl O Martínez-Rincón, Crisalejandra Rivera-Pérez, Luis Diambra, Fernando G Noriega
Juvenile hormone (JH) regulates development and reproductive maturation in insects. The corpora allata (CA) from female adult mosquitoes synthesize fluctuating levels of JH, which have been linked to the ovarian development and are influenced by nutritional signals. The rate of JH biosynthesis is controlled by the rate of flux of isoprenoids in the pathway, which is the outcome of a complex interplay of changes in precursor pools and enzyme levels. A comprehensive study of the changes in enzymatic activities and precursor pool sizes have been previously reported for the mosquito Aedes aegypti JH biosynthesis pathway...
2017: PloS One
https://www.readbyqxmd.com/read/28152832/estimating-the-cost-savings-of-a-comprehensive-hospital-based-palliative-care-program
#5
Chunhua Lu, John P McQuade, Thomas J Smith, A Rab Razzak
: 2 Background: In FY 2012, Johns Hopkins Medicine (JHM) established a palliative care inpatient unit (PCU). The PCU received patients as transfers and direct admissions. PCUs can improve care (Roza K, et al. JPM 2015) and lower per diem costs compared to usual care (Smith TJ, et al. JPM 2003; Goldstein J, et al. JPSM 2015). This project studied the financial impact of the PCU and PC program on JHM. METHODS: Using one fiscal year of admissions, the team calculated the per day variable cost of pre-transfer in to palliative care (from ED) and palliative care transfer...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28152555/stent-implantation-for-superior-vena-cava-syndrome-of%C3%A2-malignant-cause
#6
Felix A Büstgens, Reinhard Loose, Joachim H Ficker, Michael Wucherer, Michael Uder, Ralf Adamus
Purpose The purpose of this paper is the retrospective analysis of endovascular therapy for the treatment of superior vena cava syndrome (SVCS) of malignant cause. This study focuses on the effectiveness of the therapy regarding the duration of remission, symptom control and practicability. Materials and Methods From January 2003 to November 2012, therapeutic implantation of one or more stents was performed in 141 patients suffering from SVCS. The medical history was retrospectively researched using digitalized patient files...
February 2, 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/28148219/upregulation-of-juvenile-hormone-titers-in-female-drosophila-melanogaster-through-mating-experiences-and-host-food-occupied-by-eggs-and-larvae
#7
Yasuhiro Sugime, Dai Watanabe, Yoko Yasuno, Tetsuro Shinada, Toru Miura, Nobuaki K Tanaka
Juvenile hormone (JH) plays a crucial role in the determination of developmental timing in insects. In Drosophila melanogaster, reports indicate that JH titers are the highest immediately following eclosion and that the mating experience increases the titers in females. However, the titers have not been successively measured for an extended period of time after eclosion. This study reveals that JH titers are increased after eclosion in virgin females when supplied with food that is occupied by eggs and larvae as well as in mated females...
February 2017: Zoological Science
https://www.readbyqxmd.com/read/28145688/molecular-aggregate-photophysics-beyond-the-kasha-model-novel-design-principles-for-organic-materials
#8
Nicholas J Hestand, Frank C Spano
The transport and photophysical properties of organic molecular aggregates, films, and crystals continue to receive widespread attention, driven mainly by expanding commercial applications involving display and wearable technologies as well as the promise of efficient, large-area solar cells. The main blueprint for understanding how molecular packing impacts photophysical properties was drafted over five decades ago by Michael Kasha. Kasha showed that the Coulombic coupling between two molecules, as determined by the alignment of their transition dipoles, induces energetic shifts in the main absorption spectral peak and changes in the radiative decay rate when compared to uncoupled molecules...
February 1, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28141941/outcome-of-hip-impingement-surgery
#9
Florian D Naal, Aileen Müller, Viju D Varghese, Vanessa Wellauer, Franco M Impellizzeri, Michael Leunig
BACKGROUND: Generalized joint hypermobility (JH) might negatively influence the results of surgical femoroacetabular impingement (FAI) treatment, as JH has been linked to musculoskeletal pain and injury incidence in athletes. JH may also be associated with worse outcomes of FAI surgery in thin females. PURPOSE: To (1) determine the results of FAI surgery at a minimum 2-year follow-up by means of patient-reported outcome measures (PROMs) and failure rates, (2) assess the prevalence of JH in FAI patients and its effect on outcomes, and (3) identify other risk factors associated with treatment failure...
January 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28137505/an-isoform-of-taiman-that-contains-a-prd-repeat-motif-is-indispensable-for-transducing-the-vitellogenic-juvenile-hormone-signal-in-locusta-migratoria
#10
Zhiming Wang, Libin Yang, Jiasheng Song, Le Kang, Shutang Zhou
Taiman (Tai) has been recently identified as the dimerizing partner of juvenile hormone (JH) receptor, Methoprene-tolerant (Met). However, the role of Tai isoforms in transducing vitellogenic signal of JH has not been determined. In this study, we show that the migratory locust Locusta migratoria has two Tai isoforms, which differ in an INDEL-1 domain with the PRD-repeat motif rich in histidine and proline at the C-terminus. Tai-A with the INDEL-1 is expressed at levels about 50-fold higher than Tai-B without the INDEL-1 in the fat body of vitellogenic adult females...
January 27, 2017: Insect Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28133568/lepidopteran-hmg-coa-reductase-is-a-potential-selective-target-for-pest-control
#11
Yuan-Mei Li, Zhen-Peng Kai, Juan Huang, Stephen S Tobe
As a consequence of the negative impacts on the environment of some insecticides, discovery of eco-friendly insecticides and target has received global attention in recent years. Sequence alignment and structural comparison of the rate-limiting enzyme HMG-CoA reductase (HMGR) revealed differences between lepidopteran pests and other organisms, which suggested insect HMGR could be a selective insecticide target candidate. Inhibition of JH biosynthesis in vitro confirmed that HMGR inhibitors showed a potent lethal effect on the lepidopteran pest Manduca sexta, whereas there was little effect on JH biosynthesis in Apis mellifera and Diploptera punctata...
2017: PeerJ
https://www.readbyqxmd.com/read/28100820/support-for-the-reproductive-ground-plan-hypothesis-in-a-solitary-bee-links-between-sucrose-response-and-reproductive-status
#12
Karen M Kapheim, Makenna M Johnson
In social bees, foraging behaviour is correlated with reproductive status and sucrose sensitivity via endocrine pathways. This association led to the hypothesis that division of labour in social insect societies is derived from an ancestral ground plan that functions to synchronize dietary preferences with reproductive needs in solitary insects. However, the relationship between these traits is unknown for solitary bees, which represent the ancestral state of social bees. We used the proboscis extension response assay to measure sucrose response among reproductive females of the solitary alkali bee (Nomia melanderi) as a function of acute juvenile hormone (JH) treatments and reproductive physiology...
January 25, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28099581/minimal-residual-disease-detection-in-tunisian-b-acute-lymphoblastic-leukemia-based-on-immunoglobulin-gene-rearrangements
#13
S Besbes, W S Hamadou, M L Boulland, Y B Youssef, B Achour, H Regaieg, A Khelif, T Fest, Z Soua
IGH gene rearrangement and IGK-Kde gene deletion can be used as molecular markers for the assessment of B lineage acute lymphoblastic leukemia (B-ALL). Minimal residual disease detected based on those markers is currently the most reliable prognosis factor in B-ALL. The aim of this study was to use clonal IGH/IGK-Kde gene rearrangements to confirm B-ALL diagnosis and to evaluate the treatment outcome of Tunisian leukemic patients by monitoring the minimal residual disease (MRD) after induction chemotherapy...
January 16, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28096379/molecular-mechanism-underlying-juvenile-hormone-mediated-repression-of-precocious-larval-adult-metamorphosis
#14
Takumi Kayukawa, Akiya Jouraku, Yuka Ito, Tetsuro Shinoda
Juvenile hormone (JH) represses precocious metamorphosis of larval to pupal and adult transitions in holometabolous insects. The early JH-inducible gene Krüppel homolog 1 (Kr-h1) plays a key role in the repression of metamorphosis as a mediator of JH action. Previous studies demonstrated that Kr-h1 inhibits precocious larval-pupal transition in immature larva via direct transcriptional repression of the pupal specifier Broad-Complex (BR-C). JH was recently reported to repress the adult specifier gene Ecdysone-induced protein 93F (E93); however, its mechanism of action remains unclear...
January 31, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28095951/simulated-microgravity-effects-on-nonsmall-cell-lung-cancer-cell-proliferation-and-migration
#15
Jae Ho Chung, Chi Bum Ahn, Kuk Hui Son, Eunjue Yi, Ho Sung Son, Han-Sung Kim, Sung Ho Lee
BACKGROUND: Despite improvements in medical technology, lung cancer metastasis remains a global health problem. The effects of microgravity on cell morphology, structure, functions, and their mechanisms have been widely studied; however, the biological effects of simulated microgravity on the interaction between cells and its eventual influence on the characteristics of cancer cells are yet to be discovered. We examined the effects of simulated microgravity on the metastatic ability of different lung cancer cells using a random positioning machine...
February 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28074850/juvenile-hormone-biosynthesis-in-adult-blattella-germanica-requires-nuclear-receptors-seven-up-and-ftz-f1
#16
Ferran Borras-Castells, Claudia Nieva, José L Maestro, Oscar Maestro, Xavier Belles, David Martín
In insects, the transition from juvenile development to the adult stage is controlled by juvenile hormone (JH) synthesized from the corpora allata (CA) glands. Whereas a JH-free period during the last juvenile instar triggers metamorphosis and the end of the growth period, the reappearance of this hormone after the imaginal molt marks the onset of reproductive adulthood. Despite the importance of such transition, the regulatory mechanism that controls it remains mostly unknown. Here, using the hemimetabolous insect Blattella germanica, we show that nuclear hormone receptors Seven-up-B (BgSvp-B) and Fushi tarazu-factor 1 (BgFTZ-F1) have essential roles in the tissue- and stage-specific activation of adult CA JH-biosynthetic activity...
January 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28071706/fatty-acid-synthase-2-contributes-to-diapause-preparation-in-a-beetle-by-regulating-lipid-accumulation-and-stress-tolerance-genes-expression
#17
Qian-Qian Tan, Wen Liu, Fen Zhu, Chao-Liang Lei, Xiao-Ping Wang
Diapause, also known as dormancy, is a state of arrested development that allows insects to survive unfavorable environmental conditions. Diapause-destined insects store large amounts of fat when preparing for diapause. However, the extent to which these accumulated fat reserves influence diapause remains unclear. To address this question, we investigated the function of fatty acid synthase (FAS), which plays a central role in lipid synthesis, in stress tolerance, the duration of diapause preparation, and whether insects enter diapause or not...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28057597/depletion-of-juvenile-hormone-esterase-extends-larval-growth-in-bombyx-mori
#18
Zhongjie Zhang, Xiaojing Liu, Takahiro Shiotsuki, Zhisheng Wang, Xia Xu, Yongping Huang, Muwang Li, Kai Li, Anjiang Tan
Two major hormones, juvenile hormone (JH) and 20-hydroxyecdysone (20E), regulate insect growth and development according to their precisely coordinated titres, which are controlled by both biosynthesis and degradation pathways. Juvenile hormone esterase (JHE) is the primary JH-specific degradation enzyme that plays a key role in regulating JH titers, along with JH epoxide hydrolase (JHEH) and JH diol kinase (JHDK). In the current study, a loss-of-function analysis of JHE in the silkworm, Bombyx mori, was performed by targeted gene disruption using the transgenic CRISPR/Cas9 (clustered regularly interspaced short palindromic repeats/RNA-guided Cas9 nucleases) system...
February 2017: Insect Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28052441/joint-hypermobility-and-oligoarticular-juvenile-idiopathic-arthritis-what-relationship
#19
Vanessa Cecchin, Francesca Sperotto, Marta Balzarin, Fabio Vittadello, Giorgia Martini, Francesco Zulian
AIM: Oligoarticular onset juvenile idiopathic arthritis (oJIA) is characterised by a prevalent lower limb involvement, antinuclear antibodies (ANA) positivity and high risk of anterior uveitis. As we observed that oJIA patients frequently present with joint hypermobility (JH), we investigated whether there was a relationship between oJIA and JH. METHODS: Our series consisted of children with oJIA, as defined by the International League of Associations for Rheumatology criteria, for whom complete clinical data of at least 2 years' duration were available...
January 4, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28048739/tu-ab-207a-03-image-quality-dose-and-clinical-applications
#20
F Dong
: Practicing medical physicists are often time charged with the tasks of evaluating and troubleshooting complex image quality issues related to CT scanners. This course will equip them with a solid and practical understanding of common CT imaging chain and its major components with emphasis on acquisition physics and hardware, reconstruction, artifacts, image quality, dose, and advanced clinical applications. The core objective is to explain the effects of these major system components on the image quality...
June 2016: Medical Physics
keyword
keyword
99218
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"