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Molecular mechanisms for reprogramming hippocampal development and function by early-life stress

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Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889198061 Year: Pages: 100 DOI: 10.3389/978-2-88919-806-1 Language: English
Publisher: Frontiers Media SA
Subject: Neurology --- Science (General)
Added to DOAB on : 2016-04-07 11:22:02
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The early postnatal period is a crucial stage for hippocampal development. During this critical period, the neonatal hippocampus is highly sensitive to the detrimental consequences of adverse environmental factors. Extensive clinical and preclinical evidence has shown that traumatic events early in life have profound and persistent effects on hippocampal function and behavior. This research topic focuses on the acute and lasting effects of early-life stress on various developmental processes in the hippocampus, and aims to uncover the molecules that are responsible for early-life stress-programmed effects and underlie resilience or vulnerability to stress-related neuropsychiatric disorders later in life. We hope the articles in this research topic will provide novel insights and stimulate future studies on the mechanisms of early-life stress and brain development.

Psychological Issues in Amyotrophic Lateral Sclerosis

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Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889197583 Year: Pages: 103 DOI: 10.3389/978-2-88919-758-3 Language: English
Publisher: Frontiers Media SA
Subject: Psychology --- Science (General)
Added to DOAB on : 2016-04-07 11:22:02
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Amyotrophic lateral sclerosis is a fatal and progressive disease, characterized by progressive muscles weakness, with consequent loss of physical capacities. Patients become relentlessly immobile and, in the late stages of the disease, develop a "locked-in" state in which only residual muscular movement is possible, but the intellect and the personality usually remain unimpaired. At now, there is no cure for ALS. The psychological impact of the disease is huge, on both patients and caregivers. Aim of the present Research Topic is to collect new evidence about quality of life, depression, anxiety, pain, spiritual and existential issues, hope and hopelessness in the ALS field, with attention to both patients and their caregivers. Emphasis will be provided to the investigation of psychological support and the possible role of psychologists in this challenging field. Keywords: Amyotrophic Lateral Sclerosis; Health Psychology; Clinical Psychology, Motor Neuron Disorder; Quality of Life. Subtopics:The subtopics to be covered in the Research Topic include, but not limited to:1. Assessment of psychological variables in ALS2. Quality of life during the course of the illness3. Impact of technological assistance to illness (wheelchairs, NIV...)4. Interfaces among biological, psychosocial, and social factors5. Psychological and psychotherapeutic interventions6. Couple and family relationships7. Research methodology, measurement and statistics8. Cultural and social features of ALS9. Professional issues, including training and supervision10. Implications of research findings for health-related policy

Psychosocial Advances in Neuro-Oncology

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Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889197828 Year: Pages: 142 DOI: 10.3389/978-2-88919-782-8 Language: English
Publisher: Frontiers Media SA
Subject: Oncology --- Medicine (General)
Added to DOAB on : 2016-04-07 11:22:02
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Neuro-oncology is a rapidly growing field concerned with scientific developments and clinical applications related to neuroscience, neuropsychology, cancer and oncology. Neuro-oncological disorders include cancers that directly affect the central nervous system (CNS), such as brain tumours and brain metastases, and non-CNS cancers with treatments that produce neurocognitive impairment. To date, the biological mechanisms and neuropsychological effects of brain tumour and cancer have been the dominant focus in neuro-oncology literature. In terms of psychosocial aspects of care, people’s understanding of their diagnosis and symptoms and how they cope with their illness has a major influence on their emotional well-being and quality of life.The development and evaluation of psychological and supportive care interventions for people with brain tumour is an area of emerging research and of high interest to health professionals working in the field. This Research Topic aims to enhance understanding of the psychological and social consequences of brain tumour and other cancers impacting neurocognitive function. It also aims to showcase new developments in assessment and psychosocial intervention approaches.

Redox Homeostasis Managers in Plants under Environmental Stresses

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Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889198788 Year: Pages: 208 DOI: 10.3389/978-2-88919-878-8 Language: English
Publisher: Frontiers Media SA
Subject: Science (General) --- Environmental Sciences
Added to DOAB on : 2016-01-19 14:05:46
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The production of cellular oxidants such as reactive oxygen species (ROS) is an inevitable con-sequence of redox cascades of aerobic metabolism in plants. This milieu is further aggravated by a myriad of adverse environmental conditions that plants, owing to their sessile life-style, have to cope with during their life cycle. Adverse conditions prevent plants reaching their full genetic potential in terms of growth and productivity mainly as a result of accelerated ROS generation-accrued redox imbalances and halted cellular metabolism. In order to sustain ROS-accrued consequences, plants tend to manage a fine homeostasis between the generation and antioxidants-mediated metabolisms of ROS and its reaction products. Well-known for their involvement in the regulation of several non-stress-related processes, redox related components such as proteinaceous thiol members such as thioredoxin, glutaredoxin, and peroxiredoxin proteins, and key soluble redox-compounds namely ascorbate (AsA) and glutathione (GSH) are also listed as efficient managers of cellular redox homeostasis in plants. The management of the cellular redox homeostasis is also contributed by electron carriers and energy metabolism mediators such as non-phosphorylated (NAD+) and the phosphorylated (NADP+) coenzyme forms and their redox couples DHA/AsA, GSSG/GSH, NAD+/NADH and NADP+/NADPH. Moreover, intracellular concentrations of these cellular redox homeostasis managers in plant cells fluctuate with the external environments and mediate dynamic signaling in pant stress responses. This research topic aims to exemplify new information on how redox homeostasis managers are modulated by environmental cues and what potential strategies are useful for improving cellular concentrations of major redox homeostasis managers. Additionally, it also aims to pro-vide readers detailed updates on specific topics, and to highlight so far unexplored aspects in the current context.

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