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Seminars in Cell & Developmental Biology

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https://www.readbyqxmd.com/read/28918121/conserved-rules-in-embryonic-development-of-cortical-interneurons
#1
REVIEW
Christine Laclef, Christine Métin
This review will focus on early aspects of cortical interneurons (cIN) development from specification to migration and final positioning in the human cerebral cortex. These mechanisms have been largely studied in the mouse model, which provides unique possibilities of genetic analysis, essential to dissect the molecular and cellular events involved in cortical development. An important goal here is to discuss the conservation and the potential divergence of these mechanisms, with a particular interest for the situation in the human embryo...
September 13, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28912110/the-genetics-of-congenitally-small-brains
#2
REVIEW
Sarah Duerinckx, Marc Abramowicz
Primary microcephaly (PM) refers to a congenitally small brain, resulting from insufficient prenatal production of neurons, and serves as a model disease for brain volumic development. Known PM genes delineate several cellular pathways, among which the centriole duplication pathway, which provide interesting clues about the cellular mechanisms involved. The general interest of the genetic dissection of PM is illustrated by the convergence of Zika virus infection and PM gene mutations on congenital microcephaly, with CENPJ/CPAP emerging as a key target...
September 11, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28903074/siz1-mediated-sumoylation-during-phosphate-homeostasis-in-plants-looking-beyond-the-tip-of-the-iceberg
#3
REVIEW
Manali Datta, Sanket Kaushik, Anupam Jyoti, Nidhi Mathur, Shanker L Kothari, Ajay Jain
Availability of phosphate (Pi) is often limited in rhizospheres in different agroclimatic zones and adversely affects growth and development of plants. To circumvent this impasse, there is an urgent need and global consensus to develop Pi use efficient crops. To achieve this goal, it is essential to identify the molecular entities that exert regulatory influences on the sensing and signaling cascade governing Pi homeostasis. SIZ1 encodes a small ubiquitin-like modifier (SUMO E3) ligase, and plays a pivotal role in the post-translational SUMOylation of proteins...
September 10, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28899718/molecular-characterization-of-circulating-tumor-cells-from-bench-to-bedside
#4
REVIEW
Yanmeng Li, Shaohan Wu, Fan Bai
Circulating tumor cells (CTCs) are cancer cells discovered in cancer patients' peripheral blood that successfully escape from the primary tumor site and/or metastases, struggle to survive in the bloodstream, and have potential for seeding metastases. Numerous methods have been proposed to capture CTCs. The value of CTCs as a means of understanding cancer metastasis and a major form of 'liquid biopsy' has been widely demonstrated. Recently, single-cell molecular analyses of CTCs have provided profound biological insights into tumor heterogeneity, mechanism of metastasis and tumor evolution...
September 9, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28899717/early-patterns-of-activity-in-the-developing-cortex-focus-on-the-sensorimotor-system
#5
REVIEW
Roustem Khazipov, Mathieu Milh
Early development of somatotopic cortical maps occurs during the fetal period in humans and during the postnatal period in rodents. During this period, the sensorimotor cortex expresses transient patterns of correlated neuronal activity including delta waves, gamma- and spindle-burst oscillations. These early activity patterns are largely driven by the thalamus and triggered, in a topographic manner, by sensory feedback resulting from spontaneous movements. Early cortical activities are instrumental for competitive interactions between sensory inputs for the cortical territories, they prevent cortical neurons from apoptosis and their alteration may lead to disturbances in cortical network development in a number of neurodevelopmental diseases...
September 9, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28899716/from-birth-to-death-a-role-for-reactive-oxygen-species-in-neuronal-development
#6
REVIEW
Carlos Wilson, Ernesto Muñoz-Palma, Christian González-Billault
Historically, ROS have been considered toxic molecules, especially when their intracellular concentration reaches high values. However, physiological levels of ROS support crucial cellular processes, acting as second messengers able to regulate intrinsic signaling pathways. Specifically, both the central and peripheral nervous systems are especially susceptible to changes in the redox state, developing either a defense or adaptive response depending on the concentration, source and duration of the pro-oxidative stimuli...
September 9, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28893605/oscillator-networks-with-tissue-specific-circadian-clocks-in-plants
#7
REVIEW
Keisuke Inoue, Takashi Araki, Motomu Endo
Many organisms rely on circadian clocks to synchronize their biological processes with the 24-hour rotation of the earth. In mammals, the circadian clock consists of a central clock in the suprachiasmatic nucleus and peripheral clocks in other tissues. The central clock is tightly coupled to synchronize rhythmicity and can organize peripheral clocks through neural and hormonal signals. In contrast to mammals, it has long been assumed that the circadian clocks in each plant cell is able to be entrained by external light, and they are only weakly coupled to each other...
September 8, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28893604/redox-signalling-in-development-and-regeneration
#8
EDITORIAL
Sophie Vriz
No abstract text is available yet for this article.
September 8, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28890422/transcriptional-and-post-translational-regulation-of-arc-in-synaptic-plasticity
#9
REVIEW
Ruth E Carmichael, Jeremy M Henley
One of the most interesting features of Arc-dependent synaptic plasticity is how multiple types of synaptic activity can converge to alter Arc transcription and then diverge to induce different plasticity outcomes, ranging from AMPA receptor internalisation that promotes long-term depression (LTD), to actin stabilisation that promotes long-term potentiation (LTP). This diversity suggests that there must be numerous levels of control to ensure the temporal profile, abundance, localisation and function of Arc are appropriately regulated to effect learning and memory in the correct contexts...
September 7, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28890421/the-mechanistic-link-between-arc-arg3-1-expression-and-ampa-receptor-endocytosis
#10
REVIEW
Mark J Wall, Sonia A L Corrêa
The activity-regulated cytoskeleton associated protein (Arc/Arg3.1) plays a key role in determining synaptic strength through facilitation of AMPA receptor (AMPAR) endocytosis. Although there is considerable data on the mechanism by which Arc induction controls synaptic plasticity and learning behaviours, several key mechanistic questions remain. Here we review data on the link between Arc expression and the clathrin-mediated endocytic pathway which internalises AMPARs and discuss the significance of Arc binding to the clathrin adaptor protein 2 (AP-2) and to endophilin/dynamin...
September 7, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28890420/perinatal-inflammation-and-adult-psychopathology-from-preclinical-models-to-humans
#11
REVIEW
Amaicha Mara Depino
Perinatal environment plays a crucial role in brain development and determines its function through life. Epidemiological studies and clinical reports link perinatal exposure to infection and/or immune activation to various psychiatric disorders. In addition, accumulating evidence from animal models shows that perinatal inflammation can affect various behaviors relevant to psychiatric disorders such as schizophrenia, autism, anxiety and depression. Remarkably, the effects on behavior and brain function do not always depend on the type of inflammatory stimulus or the perinatal age targeted, so diverse inflammatory events can have similar consequences on the brain...
September 7, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28890419/arc-protein-a-flexible-hub-for-synaptic-plasticity-and-cognition
#12
REVIEW
Oleksii Nikolaienko, Sudarshan Patil, Maria Steene Eriksen, Clive R Bramham
Mammalian excitatory synapses express diverse types of synaptic plasticity. A major challenge in neuroscience is to understand how a neuron utilizes different types of plasticity to sculpt brain development, function, and behavior. Neuronal activity-induced expression of the immediate early protein, Arc, is critical for long-term potentiation and depression of synaptic transmission, homeostatic synaptic scaling, and adaptive functions such as long-term memory formation. However, the molecular basis of Arc protein function as a regulator of synaptic plasticity and cognition remains a puzzle...
September 7, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28890418/arc-ubiquitination-in-synaptic-plasticity
#13
REVIEW
Angela M Mabb, Michael D Ehlers
The activity-regulated cytoskeleton-associated protein (Arc) is a neuron-expressed activity regulated immediate early gene (IEG) product that is essential for memory consolidation and serves as a direct readout for neural activation during learning. Arc contributes to diverse forms of synaptic plasticity mediated by the trafficking of α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptors. Notably, Arc protein expression abruptly increases and then rapidly decreases following augmented network activity...
September 7, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28870773/mitochondrial-cytochrome-c-oxidase-biogenesis-recent-developments
#14
REVIEW
Alba Timón-Gómez, Eva Nývltová, Luciano A Abriata, Alejandro J Vila, Jonathan Hosler, Antoni Barrientos
Mitochondrial cytochrome c oxidase (COX) is the primary site of cellular oxygen consumption and is essential for aerobic energy generation in the form of ATP. Human COX is a copper-heme A hetero-multimeric complex formed by 3 catalytic core subunits encoded in the mitochondrial DNA and 11 subunits encoded in the nuclear genome. Investigations over the last 50 years have progressively shed light into the sophistication surrounding COX biogenesis and the regulation of this process, disclosing multiple assembly factors, several redox-regulated processes leading to metal co-factor insertion, regulatory mechanisms to couple synthesis of COX subunits to COX assembly, and the incorporation of COX into respiratory supercomplexes...
September 7, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28889019/psychotraumatology-what-researchers-and-clinicians-can-learn-from-an-evolutionary-perspective
#15
REVIEW
Alfonso Troisi
This review outlines the contribution of evolutionary science to experimental and clinical psychotraumatology. From an evolutionary perspective, traumatic and psychosocial stressors are conceived of as events or circumstances that thwart the achievement of biological goals. The more important is the adaptive value of the goal, the more painful is the emotional impact of the life event that endangers goal achievement. Life history theory and sexual selection theory help to explain why goal priorities differ between the sexes and across age groups...
September 6, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28889018/the-cancer-secretome-and-secreted-biomarkers
#16
EDITORIAL
Massimo Donadelli
No abstract text is available yet for this article.
September 6, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28866327/beyond-quality-control-the-role-of-nonsense-mediated-mrna-decay-nmd-in-regulating-gene-expression
#17
REVIEW
Sofia Nasif, Lara Contu, Oliver Mühlemann
Nonsense-mediated mRNA decay (NMD) has traditionally been described as a quality control system that rids cells of aberrant mRNAs with crippled protein coding potential. However, transcriptome-wide profiling of NMD deficient cells identified a plethora of seemingly intact mRNAs coding for functional proteins as NMD targets. This led to the view that NMD constitutes an additional post-transcriptional layer of gene expression control involved in the regulation of many different biological pathways. Here, we review our current knowledge about the role of NMD in embryonic development and tissue-specific cell differentiation...
September 1, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28867199/alternative-polyadenylation-in-the-regulation-and-dysregulation-of-gene-expression
#18
REVIEW
Rachael Emily Turner, Andrew David Pattison, Traude Helene Beilharz
Transcriptional control shapes a cell's transcriptome composition, but it is RNA processing that refines its expression. The untranslated regions (UTRs) of mRNA are hotspots for regulatory control. Features in these can impact mRNA stability, localisation and translation. Here we describe how alternative cleavage and polyadenylation can change mRNA fate by changing the length of its 3'UTR.
September 1, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28867198/the-emerging-role-of-pore-forming-proteins-in-cell-biology-and-development
#19
EDITORIAL
Michelle A Dunstone
No abstract text is available yet for this article.
August 31, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28864343/secondary-growth-as-a-determinant-of-plant-shape-and-form
#20
REVIEW
Laura Ragni, Thomas Greb
Plants are the primary producers of biomass on earth. As an almost stereotypic feature, higher plants generate continuously growing bodies mediated by the activity of different groups of stem cells, the meristems. Shoot and root thickening is one of the fundamental growth processes determining form and function of these bodies. Mediated by a group of cylindrical meristems located below organ surfaces, vascular and protective tissues are continuously generated in a highly plastic manner, a competence essential for the survival in an ever changing environment...
August 31, 2017: Seminars in Cell & Developmental Biology
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