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https://www.readbyqxmd.com/read/28822866/profiles-of-soluble-proteins-in-chemosensory-organs-of-three-members-of-the-afro-tropical-anopheles-gambiae-complex
#1
Immacolata Iovinella, Beniamino Caputo, Maria Calzetta, Laurence J Zwiebel, Francesca Romana Dani, Alessandra Della Torre
In female mosquitoes, host-seeking and preference as well as several other important behaviors are largely driven by olfaction. Species of the Afrotropical Anopheles gambiae complex display divergent host-preference that are associated with significant differences in their vectorial capacity for human malaria. Olfactory sensitivity begins with signal transduction and activation of peripheral sensory neurons that populate the antennae, maxillary palps and other appendages. We have used shotgun proteomics to characterize the profile of soluble proteins of antennae and maxillary palps of three different species: An...
August 2, 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28822456/-human-umbilical-cord-mesenchymal-stem-cell-transplantation-for-the-treatment-of-two-noncontinuous-segments-spinal-cord-compression-injury-in-rabbits
#2
C H Yang, B Q Yu, Q H You, J J Feng
Objective: In order to explore the effects of human umbilical cord mesenchymal stem cells (UCMSC) transplantation on the treatment of two noncontinuous segments spinal cord compression injury and to investigate whether repeated intravenous injection UCMSC was more beneficial for the recovery of spinal cord function. Methods: A total of 30 adult rabbits were randomly divided into three groups: control group (received PBS), single injection group, repeated injection group with 3 days intervals. A noncontinuous two segments SCI model was established by using the 2F Fogarty balloon catheter...
August 8, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28822233/obese-fathers-lead-to-an-altered-metabolism-and-obesity-in-their-children-in-adulthood-review-of-experimental-and-human-studies
#3
REVIEW
Fernanda Ornellas, Priscila V Carapeto, Carlos A Mandarim-de-Lacerda, Marcia B Aguila
OBJECTIVE: To discuss the recent literature on paternal obesity, focusing on the possible mechanisms of transmission of the phenotypes from the father to the children. SOURCES: A non-systematic review in the PubMed database found few publications in which paternal obesity was implicated in the adverse transmission of characteristics to offspring. Specific articles on epigenetics were also evaluated. As the subject is recent and still controversial, all articles were considered regardless of year of publication...
August 16, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/28822079/interethnic-interaction-strategic-bargaining-power-and-the-dynamics-of-cultural-norms-a-field-study-in-an-amazonian-population
#4
John Andrew Bunce, Richard McElreath
Ethnic groups are universal and unique to human societies. Such groups sometimes have norms of behavior that are adaptively linked to their social and ecological circumstances, and ethnic boundaries may function to protect that variation from erosion by interethnic interaction. However, such interaction is often frequent and voluntary, suggesting that individuals may be able to strategically reduce its costs, allowing adaptive cultural variation to persist in spite of interaction with out-groups with different norms...
August 18, 2017: Human Nature: An Interdisciplinary Biosocial Perspective
https://www.readbyqxmd.com/read/28822004/in-vitro-validation-of-the-hippo-pathway-as-a-pharmacological-target-for-canine-mammary-gland-tumors
#5
Samantha Guillemette, Charlène Rico, Philippe Godin, Derek Boerboom, Marilène Paquet
Canine mammary tumors (CMTs) are the most common neoplasms in intact female dogs. Some clinical and molecular similarities between certain CMT subtypes and breast cancer make them a potential model for the study of the human disease. As misregulated Hippo signaling is thought to play an important role in breast cancer development and also occurs in CMTs, we sought to determine if Hippo represents a valid pharmacological target for the treatment of CMTs. Six CMT cell lines were assessed for their expression of the Hippo pathway effectors YAP and TAZ and for their sensitivity to verteporfin, an inhibitor of YAP-mediated transcriptional coactivation...
August 18, 2017: Journal of Mammary Gland Biology and Neoplasia
https://www.readbyqxmd.com/read/28821681/when-brain-beats-behavior-neuroforecasting-crowdfunding-outcomes
#6
Alexander Genevsky, Carolyn Yoon, Brian Knutson
Although traditional economic and psychological theories imply that individual choice best scales to aggregate choice, primary components of choice reflected in neural activity may support even more generalizable forecasts. Crowdfunding represents a significant and growing platform for funding new and unique projects, causes, and products. To test whether neural activity could forecast market-level crowdfunding outcomes weeks later, 30 human subjects (14 female) decided whether to fund proposed projects described on an internet crowdfunding website while undergoing scanning with functional magnetic resonance imaging (FMRI)...
August 3, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28821670/rodent-medial-frontal-control-of-temporal-processing-in-the-dorsomedial-striatum
#7
Eric B Emmons, Benjamin J De Corte, Youngcho Kim, Krystal L Parker, Matthew S Matell, Nandakumar S Narayanan
Although frontostriatal circuits are critical for the temporal control of action, how time is encoded in frontostriatal circuits is unknown. We recorded from frontal and striatal neurons while rats engaged in interval timing, an elementary cognitive function that engages both areas. We report four main results. First, 'ramping' activity-a monotonic change in neuronal firing rate across time-is observed throughout frontostriatal ensembles. Second, frontostriatal activity scales across multiple intervals. Third, striatal ramping neurons are correlated with activity of the medial frontal cortex...
August 8, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28821668/sensory-biased-and-multiple-demand-processing-in-human-lateral-frontal-cortex
#8
Abigail L Noyce, Nishmar Cestero, Samantha W Michalka, Barbara G Shinn-Cunningham, David C Somers
The functionality of much of human lateral frontal cortex (LFC) has been characterized as 'multiple demand' as these regions appear to support a broad range of cognitive tasks. In contrast to this domain-general account, recent evidence indicates that portions of LFC are consistently selective for sensory modality. Michalka et al. (2015) reported two bilateral regions that are biased for visual attention, superior precentral sulcus (sPCS) and inferior precentral sulcus (iPCS), interleaved with two bilateral regions that are biased for auditory attention, transverse gyrus intersecting precentral sulcus (tgPCS) and caudal inferior frontal sulcus (cIFS)...
August 8, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28821661/attenuated-activity-across-multiple-cell-types-and-reduced-monosynaptic-connectivity-in-the-aged-perirhinal-cortex
#9
A P Maurer, S N Burke, K Diba, C A Barnes
The perirhinal cortex (PER), which is critical for associative memory and stimulus discrimination, has been described as a wall of inhibition between the neocortex and hippocampus. With advanced age, rats show deficits on PER-dependent behavioral tasks and fewer PER principal neurons are activated by stimuli, but the role of PER interneurons in these altered circuit properties in old age has not been characterized. In the present study, PER neurons were recorded while rats traversed a circular track bi-directionally in which the track was either empty or contained 8 novel objects evenly spaced around the track...
August 11, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28821657/fronto-parietal-structural-connectivity-in-childhood-predicts-development-of-functional-connectivity-and-reasoning-ability-a-large-scale-longitudinal-investigation
#10
Carter Wendelken, Emilio Ferrer, Simona Ghetti, Stephen Bailey, Laurie Cutting, Silvia A Bunge
Prior research points to a positive concurrent relationship between reasoning ability and both fronto-parietal structural connectivity, as measured by diffusion tensor imaging (e.g. Tamnes et al., 2010), and fronto-parietal functional connectivity, as measured by fMRI (e.g. Cocchi et al., 2014). Further, recent research demonstrates a link between reasoning ability and functional connectivity of two brain regions in particular: rostrolateral prefrontal cortex (RLPFC) and the inferior parietal lobe (IPL) (Wendelken et al...
August 7, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28821648/bilingual-language-switching-in-the-lab-vs-in-the-wild-the-spatio-temporal-dynamics-of-adaptive-language-control
#11
Esti Blanco-Elorrieta, Liina Pylkkänen
For a bilingual human, every utterance requires a choice about which language to use. This choice is commonly regarded as part of general executive control, engaging prefrontal and anterior cingulate cortices similarly to many types of effortful task-switching. However, while language control within artificial switching paradigms has been heavily studied, the neurobiology of natural switching within socially cued situations has not been characterized. Additionally, although theoretical models address how language control mechanisms adapt to the distinct demands of different interactional contexts, these predictions have not been empirically tested...
August 16, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28821382/sex-linked-behavior-evolution-stability-and-variability
#12
REVIEW
Cordelia Fine, John Dupré, Daphna Joel
Common understanding of human sex-linked behaviors is that proximal mechanisms of genetic and hormonal sex, ultimately shaped by the differential reproductive challenges of ancestral males and females, act on the brain to transfer sex-linked predispositions across generations. Here, we extend the debate on the role of nature and nurture in the development of traits in the lifetime of an individual, to their role in the cross-generation transfer of traits. Advances in evolutionary theory that posit the environment as a source of trans-generational stability, and new understanding of sex effects on the brain, suggest that the cross-generation stability of sex-linked patterns of behavior are sometimes better explained in terms of inherited socioenvironmental conditions, with biological sex fostering intrageneration variability...
July 29, 2017: Trends in Cognitive Sciences
https://www.readbyqxmd.com/read/28821346/sex-linked-behavior-evolution-stability-and-variability
#13
REVIEW
Cordelia Fine, John Dupré, Daphna Joel
Common understanding of human sex-linked behaviors is that proximal mechanisms of genetic and hormonal sex, ultimately shaped by the differential reproductive challenges of ancestral males and females, act on the brain to transfer sex-linked predispositions across generations. Here, we extend the debate on the role of nature and nurture in the development of traits in the lifetime of an individual, to their role in the cross-generation transfer of traits. Advances in evolutionary theory that posit the environment as a source of trans-generational stability, and new understanding of sex effects on the brain, suggest that the cross-generation stability of sex-linked patterns of behavior are sometimes better explained in terms of inherited socioenvironmental conditions, with biological sex fostering intrageneration variability...
September 2017: Trends in Cognitive Sciences
https://www.readbyqxmd.com/read/28820943/the-active-site-flexibility-of-mycobacterium-tuberculosis-isocitrate-lyase-in-dimer-form
#14
Yie-Vern Lee, Sybing Choi, Habibah Wahab, Yee Siew Choong
Tuberculosis (TB) still remains as global threat due to the emerging of drug resistant strain. Instead of focus on drug target of active stage TB, we are highlighting the isocitrate lyase (ICL) at the dormant stage TB. ICL is one of the persistent factors for Mycobacterium tuberculosis (MTB) to survive during dormant phase. In addition, the absent of ICL in human has made ICL a potential drug target for TB therapy. However, the dynamics details of ICL which could give insights to the ICL-ligand interaction is yet to be solved...
August 18, 2017: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/28820908/ribosomopathy-like-properties-of-murine-and-human-cancers
#15
Sucheta Kulkarni, James M Dolezal, Huabo Wang, Laura Jackson, Jie Lu, Brian P Frodey, Atinuke Dosunmu-Ogunbi, Youjun Li, Marc Fromherz, Audry Kang, Lucas Santana-Santos, Panayiotis V Benos, Edward V Prochownik
Ribosomopathies comprise a heterogeneous group of hematologic and developmental disorders, often characterized by bone marrow failure, skeletal and other developmental abnormalities and cancer predisposition. They are associated with mutations and/or haplo-insufficiencies of ribosomal proteins (RPs) and inefficient ribosomal RNA (rRNA) processing. The resulting ribosomal stress induces the canonical p19ARF/Mdm2/p53 tumor suppressor pathway leading to proliferative arrest and/or apoptosis. It has been proposed that this pathway is then inactivated during subsequent neoplastic evolution...
2017: PloS One
https://www.readbyqxmd.com/read/28820881/vector-competence-of-populations-of-aedes-aegypti-from-three-distinct-cities-in-kenya-for-chikungunya-virus
#16
Sheila B Agha, Edith Chepkorir, Francis Mulwa, Caroline Tigoi, Samwel Arum, Milehna M Guarido, Peris Ambala, Betty Chelangat, Joel Lutomiah, David P Tchouassi, Michael J Turell, Rosemary Sang
BACKGROUND: In April, 2004, chikungunya virus (CHIKV) re-emerged in Kenya and eventually spread to the islands in the Indian Ocean basin, South-East Asia, and the Americas. The virus, which is often associated with high levels of viremia in humans, is mostly transmitted by the urban vector, Aedes aegypti. The expansion of CHIKV presents a public health challenge both locally and internationally. In this study, we investigated the ability of Ae. aegypti mosquitoes from three distinct cities in Kenya; Mombasa (outbreak prone), Kisumu, and Nairobi (no documented outbreak) to transmit CHIKV...
August 18, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28820673/asymmetric-compression-of-representational-space-for-object-animacy-categorization-under-degraded-viewing-conditions
#17
Tijl Grootswagers, J Brendan Ritchie, Susan G Wardle, Andrew Heathcote, Thomas A Carlson
Animacy is a robust organizing principle among object category representations in the human brain. Using multivariate pattern analysis methods, it has been shown that distance to the decision boundary of a classifier trained to discriminate neural activation patterns for animate and inanimate objects correlates with observer RTs for the same animacy categorization task [Ritchie, J. B., Tovar, D. A., & Carlson, T. A. Emerging object representations in the visual system predict reaction times for categorization...
August 18, 2017: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/28820632/media-presentation-of-breastfeeding-beliefs-in-newspapers
#18
Rose Hitt, Jie Zhuang, Jennifer Anderson
Despite numerous health benefits for babies and mothers, many women do not either initiate or continue breastfeeding for the recommended duration, and increasing breastfeeding is a national priority. It is important to understand media messages on the topic, given that breastfeeding is influenced by many environmental factors and that perceived norms, social support, and perceptions of difficulties predict breastfeeding. The current study analyzes how media covers (1) breastfeeding in general, (2) public breastfeeding, and (3) extended breastfeeding (past 1 year)...
August 18, 2017: Health Communication
https://www.readbyqxmd.com/read/28820130/convergence-of-humans-bats-trees-and-culture-in-nipah-virus-transmission-bangladesh
#19
Emily S Gurley, Sonia T Hegde, Kamal Hossain, Hossain M S Sazzad, M Jahangir Hossain, Mahmudur Rahman, M A Yushuf Sharker, Henrik Salje, M Saiful Islam, Jonathan H Epstein, Salah U Khan, A Marm Kilpatrick, Peter Daszak, Stephen P Luby
Preventing emergence of new zoonotic viruses depends on understanding determinants for human risk. Nipah virus (NiV) is a lethal zoonotic pathogen that has spilled over from bats into human populations, with limited person-to-person transmission. We examined ecologic and human behavioral drivers of geographic variation for risk of NiV infection in Bangladesh. We visited 60 villages during 2011-2013 where cases of infection with NiV were identified and 147 control villages. We compared case villages with control villages for most likely drivers for risk of infection, including number of bats, persons, and date palm sap trees, and human date palm sap consumption behavior...
September 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28820054/qsar-modeling-of-histamine-h3r-antagonists-inverse-agonists-as-future-drugs-for-neurodegenerative-diseases
#20
Michelle Fidelis Corrêa, João Paulo Dos Santos Fernandes
Histamine H3 receptor (H3R) is associated with several neuropsychological diseases. It is predominantly expressed in the central nervous system as presynaptic receptor, especially in regions associated with cognition and behavior, and is responsible for modulate the synthesis and release of histamine and other neurotransmitters such as acetylcholine, dopamine and serotonin. Therefore, H3R is an important target involved in several CNS disorders, such as narcolepsy, attention deficit hyperactivity disorder and schizophrenia...
August 17, 2017: Current Neuropharmacology
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