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https://www.readbyqxmd.com/read/28103637/exploiting-cell-cycle-inhibitor-genes-of-the-krp-family-to-control-root-knot-nematode-induced-feeding-sites-in-plants
#1
Roberta Ramos Coelho, Paulo Vieira, José Dijair Antonino de Souza Júnior, Cristina Martin-Jimenez, Lieven De Veylder, Julie Cazareth, Gilbert Engler, Maria Fatima Grossi-de-Sa, Janice de Almeida Engler
Cell cycle control in galls provoked by root-knot nematodes involves the activity of inhibitor genes like the Arabidopsis ICK/KRP members. Ectopic KRP1, KRP2 and KRP4 expression resulted in decreases gall size by inhibiting mitotic activity, whereas KRP6 induces mitosis in galls. Herein, we investigate the role of KRP3, KRP5 and KRP7 during gall development and compared their role with previously studied members of this class of cell cycle inhibitors. Overexpression of KRP3 and KRP7 resulted in undersized giant cells, with KRP3(OE) galls presenting peculiar elongated giant cells...
January 19, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28100869/gonadotoropin-actions-on-spermatogenesis-and-hormonal-therapies-for-spermatogenic-disorders-review
#2
Koji Shiraishi, Hideyasu Matsuyama
Microdissection testicular sperm extraction and intracytoplasmic sperm injection have made it possible for men with non-obstructive azoospermia (NOA) to conceive a child. A majority of men cannot produce sperm because spermatogenesis per se is believed to be "irreversibly" disturbed. For these men, it and has been thought that any hormonal therapy will be ineffective. Further understandings of endocrinological regulation of spermatogenesis are needed and LH or FSH receptor knock out (KO) mice have revealed the roles of gonadotropin separately...
January 19, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28099902/anthelmintic-mebendazole-enhances-cisplatin-s-effect-on-suppressing-cell-proliferation-and-promotes-differentiation-of-head-and-neck-squamous-cell-carcinoma-hnscc
#3
Fugui Zhang, Yong Li, Hongmei Zhang, Enyi Huang, Lina Gao, Wenping Luo, Qiang Wei, Jiaming Fan, Dongzhe Song, Junyi Liao, Yulong Zou, Feng Liu, Jianxiang Liu, Jiayi Huang, Dan Guo, Chao Ma, Xue Hu, Li Li, Xiangyang Qu, Liqun Chen, Xinyi Yu, Zhicai Zhang, Tingting Wu, Hue H Luu, Rex C Haydon, Jinlin Song, Tong-Chuan He, Ping Ji
Head and neck squamous cell carcinoma (HNSCC) is one of the most common and aggressive types of human cancers worldwide. Nearly a half of HNSCC patients experience recurrence within five years of treatment and develop resistance to chemotherapy. Thus, there is an urgent clinical need to develop safe and novel anticancer therapies for HNSCC. Here, we investigate the possibility of repurposing the anthelmintic drug mebendazole (MBZ) as an anti-HNSCC agent. Using the two commonly-used human HNSCC lines CAL27 and SCC15, we demonstrate MBZ exerts more potent anti-proliferation activity than cisplatin in human HNSCC cells...
January 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28097672/collective-resistance-despite-complicity-high-identifiers-rise-above-the-legitimization-of-disadvantage-by-the-in-group
#4
Gloria Jiménez-Moya, Rosa Rodríguez-Bailón, Russell Spears, Soledad de Lemus
How do individuals deal with group disadvantage when their fellow in-group members conceive it as legitimate? Integrating research on the normative conflict model (Packer, 2008, Pers. Soc. Psychol. Rev., 12, 50) and collective action, we expect high identifiers to reject the in-group norm of legitimacy that justifies the inequality, and to assert that the group is actually able and willing to contest the disadvantage by collective means. In Study 1 and Study 2, we tested this hypothesis in different intergroup contexts...
January 17, 2017: British Journal of Social Psychology
https://www.readbyqxmd.com/read/28096087/diffuse-large-b-cell-lymphoma-genotyping-on-the-liquid-biopsy
#5
Davide Rossi, Fary Diop, Elisa Spaccarotella, Sara Monti, Manuela Zanni, Silvia Rasi, Clara Deambrogi, Valeria Spina, Alessio Bruscaggin, Chiara Favini, Roberto Serra, Antonio Ramponi, Renzo Boldorini, Robin Foa', Gianluca Gaidano
Accessible and real-time genotyping for diagnostic, prognostic or treatment purposes is increasingly impelling in diffuse large B-cell lymphoma (DLBCL). Cell-free DNA (cfDNA) is shed into the blood by tumor cells undergoing apoptosis and can be used as source of tumor DNA for the identification of DLBCL mutations, clonal evolution, and genetic mechanisms of resistance. Here we aimed at tracking the basal DLBCL genetic profile and its modification upon treatment using plasma cfDNA. Ultra-deep targeted next generation sequencing of pre-treatment plasma cfDNA from DLBCL patients correctly discovered DLBCL-associated mutations that were represented in >20% of the alleles of the tumor biopsy with a >90% sensitivity and a ~100% specificity...
January 17, 2017: Blood
https://www.readbyqxmd.com/read/28095869/macrophage-activation-syndrome-different-mechanisms-leading-to-a-one-clinical-syndrome
#6
REVIEW
Claudia Bracaglia, Giusi Prencipe, Fabrizio De Benedetti
BACKGROUND: Macrophage activation syndrome (MAS) is a severe complication of rheumatic disease in childhood, particularly in systemic Juvenile Idiopathic Arthritis (sJIA). It is characterize by an uncontrolled activation and proliferation of T lymphocytes and macrophages. MAIN CONTENT: MAS is currently classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH). The reason is that MAS shares clinical and laboratory features with primary genetic HLH (pHLH)...
January 17, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28094849/the-collimator-monitoring-fill-factor-of-a-two-dimensional-detector-array-a-measure-of-its-ability-to-detect-collimation-errors
#7
Tenzin Sonam Stelljes, Hui Khee Looe, Dietrich Harder, Björn Poppe
PURPOSE: Two-dimensional detector arrays are routinely used for constancy checks and treatment plan verification in photon-beam radiotherapy. In addition to the spatial resolution of the dose profiles, the "coverage" of the radiation field with respect to the detection of any beam collimation deficiency appears as the second characteristic feature of a detector array. The here proposed "collimator monitoring fill factor" (CM fill factor) has been conceived to serve as a quantitative characteristic of this "coverage"...
January 17, 2017: Medical Physics
https://www.readbyqxmd.com/read/28093195/health-and-functioning-of-adolescents-conceived-by-assisted-reproductive-technology
#8
Eyal Fruchter, Ronit Beck-Fruchter, Ariel Hourvitz, Mark Weiser, Shira Goldberg, Daphna Fenchel, Liat Lerner-Geva
OBJECTIVE: To evaluate the general health, mental health, and cognitive ability of assisted reproductive technology (ART)-conceived adolescents. DESIGN: A nested case-control study within a historic cohort. SETTING: Not applicable. PATIENT(S): A total of 253 ART-conceived adolescents born between 1982 and 1993 and 253 matched references according to birth year, gender, and the high-school they attended. INTERVENTION(S): None...
January 5, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28093094/impact-of-hurricane-exposure-on-reproductive-health-outcomes-florida-2004
#9
Shannon C Grabich, Whitney R Robinson, Charles E Konrad, Jennifer A Horney
OBJECTIVE: Prenatal hurricane exposure may be an increasingly important contributor to poor reproductive health outcomes. In the current literature, mixed associations have been suggested between hurricane exposure and reproductive health outcomes. This may be due, in part, to residual confounding. We assessed the association between hurricane exposure and reproductive health outcomes by using a difference-in-difference analysis technique to control for confounding in a cohort of Florida pregnancies...
January 17, 2017: Disaster Medicine and Public Health Preparedness
https://www.readbyqxmd.com/read/28092709/the-centrality-of-philosophical-anthropology-to-a-future-environmental-ethics
#10
Arran Gare
While environmental ethics has successfully established itself in philosophy, as presently conceived it is still largely irrelevant to grappling the global ecological crisis because, as Alasdair MacIntyre has argued, ethical philosophy itself is in grave disorder. MacIntyre's historically oriented recovery of virtue ethics is defended, but it is argued that even MacIntyre was too constrained by received assumptions to overcome this disorder. As he himself realized, his ideas need to be integrated and defended through philosophical anthropology...
September 2016: Cuadernos de Bioética: Revista Oficial de la Asociación Española de Bioética y Ética Médica
https://www.readbyqxmd.com/read/28086861/managing-shades-of-grey-a-focus-group-study-exploring-community-dwellers-views-on-advance-care-planning-in-older-people
#11
Natasha Michael, Clare O'Callaghan, Emma Sayers
BACKGROUND: Community-dwelling consumers of healthcare are increasing, many aging with life-limiting conditions and deteriorating cognition. However, few have had advance care planning discussions or completed documentation to ensure future care preferences are acted upon. This study examines the awareness, attitudes, and experiences of advance care planning amongst older people and unrelated offspring/caregivers of older people residing in the community. METHODS: Qualitative descriptive research, which included focus groups with older people (55+ years) and older people's offspring/caregivers living in an Australian city and surrounding rural region...
January 13, 2017: BMC Palliative Care
https://www.readbyqxmd.com/read/28086833/delta-like-4-notch-signaling-promotes-apc-min-tumor-initiation-through-angiogenic-and-non-angiogenic-related-mechanisms
#12
Marina Badenes, Alexandre Trindade, Hugo Pissarra, Luís Lopes-da-Costa, António Duarte
BACKGROUND: Delta like 4 (Dll4)/Notch signaling is a key regulator of tumor angiogenesis. Additionally, the role of Dll4 has been studied on tumor stem cells. However, as these cells are implicated in tumor angiogenesis, it is conceivable that the effect of Dll4 on these cells may be a consequence of its angiogenic function. Our aim was to evaluate the expression and dissect the functions of Dll4 in the Apc (Min/+) model of colorectal cancer. METHODS: We evaluated the protein expression pattern of Dll4 and other Notch members in the Apc (Min/+) tumors relatively to the normal gut and compared endothelial-specific with ubiquitous Dll4 knockout mice on an Apc (Min/+) background...
January 13, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28080221/molecular-mechanisms-of-antisense-oligonucleotides
#13
Stanley T Crooke
In 1987, when I became interested in the notion of antisense technology, I returned to my roots in RNA biochemistry and began work to understand how oligonucleotides behave in biological systems. Since 1989, my research has focused primarily on this topic, although I have been involved in most areas of research in antisense technology. I believe that the art of excellent science is to frame large important questions that are perhaps not immediately answerable with existing knowledge and methods, and then conceive a long-term (multiyear) research strategy that begins by answering the most pressing answerable questions on the path to the long-term goals...
January 12, 2017: Nucleic Acid Therapeutics
https://www.readbyqxmd.com/read/28079836/symptomatic-cytomegalovirus-infections-in-the-first-year-of-life-when-is-antiviral-therapy-conceived-to-be-justified
#14
Katharina Schuster, Rangmar Goelz, Carsten Speckmann, Philipp Henneke
All infants treated with antiviral medication for symptomatic congenital (diagnosis <3 weeks) and probably postnatal (>3 weeks) cytomegalovirus infection were characterized with the help of a survey covering all German Pediatric hospitals between 2012 and 2013. We found that >50% of infants treated for cytomegalovirus were classified as probably postnatal cytomegalovirus infection, which was associated with preterm birth and underlying diseases of the immune system, heart or lung.
February 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28079770/neurodevelopmental-outcomes-after-assisted-reproductive-technologies
#15
Jacques Balayla, Odile Sheehy, William D Fraser, Jean R Séguin, Jacquetta Trasler, Patricia Monnier, Andrea A MacLeod, Marie-Noëlle Simard, Gina Muckle, Anick Bérard
OBJECTIVE: To compare children's cognitive, motor, and language development at 2 years of age after assisted reproductive technologies (ARTs) relative to natural conception. METHODS: The 3D-Study (2010-2012) is a prospective cohort study, which sought to improve the understanding among perinatal events, obstetric outcomes, and child development. A total of 2,366 pregnant women were recruited, of whom 278 conceived with ART: ovarian stimulation, intrauterine sperm insemination, in vitro fertilization, intracytoplasmic sperm injection, or in vitro maturation...
January 9, 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28079641/world-health-organization-framework-multimodal-hand-hygiene-strategy-in-piedmont-italy-health-care-facilities
#16
Fabrizio Bert, Sebastian Giacomelli, Daniela Ceresetti, Carla Maria Zotti
OBJECTIVES: In 2009, the World Health Organization (WHO) introduced the "Hand Hygiene Self-Assessment Framework" (HHSAF) to evaluate the level of the application of the Multimodal Hand Hygiene Improvement Strategy (MHHIS), which defines preventive interventions, standards, and tools conceived to improve hand hygiene in healthcare facilities. The aim of our study was to evaluate the implementation of the MHHIS in Piedmont healthcare units in 2014 using the HHSAF document. METHODS: Our surveillance was performed through collection and analysis of the data from 50 Piedmont healthcare facilities recorded through the HHSAF in 2014...
January 10, 2017: Journal of Patient Safety
https://www.readbyqxmd.com/read/28076602/incidence-of-y-chromosome-microdeletions-in-children-whose-fathers-underwent-vasectomy-reversal-or-in-vitro-fertilization-with-epididymal-sperm-aspiration-a-case-control-study
#17
Milton Ghirelli-Filho, Patricia Leme de Marchi, Fernanda Abani Mafra, Viviane Cavalcanti, Denise Maria Christofolini, Caio Parente Barbosa, Bianca Bianco, Sidney Glina
Objective: To evaluate the incidence of Y-chromosome microdeletions in individuals born from vasectomized fathers who underwent vasectomy reversal or in vitro fertilization with sperm retrieval by epididymal aspiration (percutaneous epididymal sperm aspiration). Methods: A case-control study comprising male children of couples in which the man had been previously vasectomized and chose vasectomy reversal (n=31) or in vitro fertilization with sperm retrieval by percutaneous epididymal sperm aspiration (n=30) to conceive new children, and a Control Group of male children of fertile men who had programmed vasectomies (n=60)...
October 2016: Einstein
https://www.readbyqxmd.com/read/28075409/the-hiv-1-vpr-protein-a-multifaceted-target-for-therapeutic-intervention
#18
REVIEW
María Eugenia González
The human immunodeficiency virus type 1 (HIV-1) Vpr protein is an attractive target for antiretroviral drug development. The conservation both of the structure along virus evolution and the amino acid sequence in viral isolates from patients underlines the importance of Vpr for the establishment and progression of HIV-1 disease. While its contribution to virus replication in dividing and non-dividing cells and to the pathogenesis of HIV-1 in many different cell types, both extracellular and intracellular forms, have been extensively studied, its precise mechanism of action nevertheless remains enigmatic...
January 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28074680/sero-discovering-versus-sero-cognisant-initial-challenges-and-needs-of-hiv-serodiscordant-couples-in-porto-alegre-brazil
#19
Shana D Hughes, Hong-Ha M Truong
This paper focuses on challenges faced by heterosexual couples of mixed HIV status in Porto Alegre, Brazil, and argues for more conceptual nuance in our understanding of 'serodiscordance'. Couples' stories, collected over 11 months of qualitative research, demonstrate how profoundly serodiscordance involves both partners and suggest that the timing of relationship formation relative to HIV diagnosis influenced the particular challenges they confronted. In recognition of this variation, we propose the distinction of 'sero-discovering' from 'sero-cognisant' couples...
January 11, 2017: Culture, Health & Sexuality
https://www.readbyqxmd.com/read/28072588/fertility-treatment-and-childhood-epilepsy-a-nationwide-cohort-study
#20
Laura Ozer Kettner, Ulrik Schiøler Kesmodel, Cecilia Høst Ramlau-Hansen, Bjørn Bay, Beate Ritz, Niels Bjerregaard Matthiesen, Tine Brink Henriksen
BACKGROUND: Fertility treatment includes hormonal stimulation of the woman and in vitro manipulation of gametes and embryos that may influence prenatal brain development. We aimed to investigate the association between fertility treatment and childhood epilepsy, including specific types of treatment and indications as well as subtypes of epilepsy. METHODS: In this nationwide birth cohort study, we included all pregnancies in Denmark resulting in live-born singletons, 1995-2003...
January 6, 2017: Epidemiology
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