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Chronic vs acute manipulations reveal degeneracy in a thermosensory neuron network.

Jihye Yeon, Asuka Takeishi, Piali Sengupta,

Degenerate networks can drive similar circuit outputs. Via acute manipulation of individual neurons, we previously identified circuit components that are necessary and sufficient to drive starvation-dependent plasticity in <i>C. elegans</i> thermotaxis behavior. Here we find that when these components are instead silenced chronically, degenerate mechanisms compensate to drive this behavior. ... Read more >>

MicroPubl Biol (microPublication biology)
[2021, 2021:]

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Starvation memory resulting in reproductive plasticity is conserved in some Caenorhabditis elegans wild isolates.

Maria C Ow, Sarah E Hall,

MicroPubl Biol (microPublication biology)
[2020, 2020:]

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Microglia regulation of synaptic plasticity and learning and memory.

Jessica Cornell, Shelbi Salinas, Hou-Yuan Huang, Miou Zhou,

Microglia are the resident macrophages of the central nervous system. Microglia possess varied morphologies and functions. Under normal physiological conditions, microglia mainly exist in a resting state and constantly monitor their microenvironment and survey neuronal and synaptic activity. Through the C1q, C3 and CR3 "Eat Me" and CD47 and SIRPα ... Read more >>

Neural Regen Res (Neural regeneration research)
[2022, 17(4):705-716]

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Surface-based map plasticity of brain regions related to sensory motor and pain information processing after osteonecrosis of the femoral head.

Jie Ma, Xu-Yun Hua, Mou-Xiong Zheng, Jia-Jia Wu, Bei-Bei Huo, Xiang-Xin Xing, Sheng-Yi Feng, Bo Li, Jian-Guang Xu,

Pain is one of the manifestations of hip disorder and has been proven to lead to the remodeling of somatotopic map plasticity in the cortex. However, most studies are volume-based which may lead to inaccurate anatomical positioning of functional data. The methods that work on the cortical surface may be ... Read more >>

Neural Regen Res (Neural regeneration research)
[2022, 17(4):806-811]

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Towards a comprehensive understanding of p75 neurotrophin receptor functions and interactions in the brain.

Joel F Ritala, Seán B Lyne, Antti Sajanti, Romuald Girard, Janne Koskimäki,

The role of neurotrophins in neuronal plasticity has recently become a strong focus in neuroregeneration research field to elucidate the biological mechanisms by which these molecules modulate synapses, modify the response to injury, and alter the adaptation response. Intriguingly, the prior studies highlight the role of p75 neurotrophin receptor (p75<sup>NTR</sup>) ... Read more >>

Neural Regen Res (Neural regeneration research)
[2022, 17(4):701-704]

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Lesion-induced changes of brevican expression in the perineuronal net of the superior vestibular nucleus.

Agnes Magyar, Eva Racz, Clara Matesz, Ervin Wolf, Peter Kiss, Botond Gaal,

Damage to the vestibular sense organs evokes static and dynamic deficits in the eye movements, posture and vegetative functions. After a shorter or longer period of time, the vestibular function is partially or completely restored via a series of processes such as modification in the efficacy of synaptic inputs. As ... Read more >>

Neural Regen Res (Neural regeneration research)
[2022, 17(3):649-654]

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Acute enhancing effect of a standardized extract of Centella asiatica (ECa 233) on synaptic plasticity: an investigation via hippocampal long-term potentiation.

Yingrak Boondam, Mayuree H Tantisira, Kanokwan Tilokskulchai, Sompol Tapechum, Narawut Pakaprot,

<h4>Context</h4>ECa 233 is the standardized extract of <i>Centella asiatica</i> (L.) Urban. (Apiaceae). It contains at least 85% of triterpenoid glycosides and yields neuroprotective and memory-enhancing effects. However, the exact molecules exerting the effects might be triterpenic acid metabolites reproduced through gut metabolism after orally ingesting <i>C. asiatica</i>, not triterpenoid glycosides.<h4>Objective</h4>This ... Read more >>

Pharm Biol (Pharmaceutical biology)
[2021, 59(1):367-374]

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Pathological mechanisms and therapeutic strategies for Alzheimer's disease.

Yaojun Ju, Kin Yip Tam,

Alzheimer's disease is a rather complex neurodegenerative disease, which is attributed to a combination of multiple factors. Among the many pathological pathways, synaptic dysfunctions, such as synapses loss and deficits in synaptic plasticity, were thought to be strongly associated with cognitive decline. The deficiencies in various sorts of neurotransmissions are ... Read more >>

Neural Regen Res (Neural regeneration research)
[2022, 17(3):543-549]

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Dendritic spine density changes and homeostatic synaptic scaling: a meta-analysis of animal studies.

Thiago C Moulin, Danielle Rayêe, Helgi B Schiöth,

Mechanisms of homeostatic plasticity promote compensatory changes of cellular excitability in response to chronic changes in the network activity. This type of plasticity is essential for the maintenance of brain circuits and is involved in the regulation of neural regeneration and the progress of neurodegenerative disorders. One of the most ... Read more >>

Neural Regen Res (Neural regeneration research)
[2022, 17(1):20-24]

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Aconiti lateralis Radix Praeparata inhibits Alzheimer's disease by regulating the complex regulation network with the core of GRIN1 and MAPK1.

Yutao Wang, Huixiang Zhang, Jing Wang, Ming Yu, Qianqian Zhang, Shan Yan, Dingyun You, Lanlan Shi, Lihuan Zhang, Limei Wang, Hongxiang Wu, Xue Cao,

<h4>Context</h4>Current medicine for Alzheimer's disease (AD) cannot effectively reverse or block nerve injury. Traditional Chinese Medicine practice and research imply <i>Aconiti lateralis Radix Praeparata</i> (Fuzi) may meet this goal.<h4>Objective</h4>Analysing the anti-AD effect of Fuzi and its potential molecular mechanism.<h4>Materials and methods</h4>AD model cells were treated with Fuzi in 0-300 mg/mL for ... Read more >>

Pharm Biol (Pharmaceutical biology)
[2021, 59(1):311-320]

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Searching for alternatives to brain regeneration.

Chiara La Rosa, Luca Bonfanti,

Neural Regen Res (Neural regeneration research)
[2021, 16(11):2198-2200]

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Structural remodeling in related brain regions in patients with facial synkinesis.

Jia-Jia Wu, Ye-Chen Lu, Mou-Xiong Zheng, Xu-Yun Hua, Chun-Lei Shan, Wei Ding, Jian-Guang Xu,

Facial synkinesis is a troublesome sequelae of facial nerve malfunction. It is difficult to recover from synkinesis, despite improved surgical techniques for isolating the peripheral facial nerve branches. Furthermore, it remains unclear whether long-term dysfunction of motor control can lead to irreversible plasticity-induced structural brain changes. This case-control study thus ... Read more >>

Neural Regen Res (Neural regeneration research)
[2021, 16(12):2528-2533]

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The Importance of Muscle Capillarization for Optimizing Satellite Cell Plasticity.

Joshua P Nederveen, Milan W Betz, Tim Snijders, Gianni Parise,

Satellite cells are essential for skeletal muscle regeneration, repair, and adaptation. The activity of satellite cells is influenced by their interactions with muscle-resident endothelial cells. We postulate that the microvascular network between muscle fibers plays a critical role in satellite cell function. Exercise-induced angiogenesis can mitigate the decline in satellite ... Read more >>

Exerc Sport Sci Rev (Exercise and sport sciences reviews)
[2021, 49(4):284-290]

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Comparative Analysis of Genetic and Morphological Variation within the Platanthera hyperborea Complex (Orchidaceae)

Eranga Wettewa, Nick Bailey, Lisa E Wallace,

Species complexes present considerable problems for a working taxonomy due to the presence of intraspecific variation, hybridization, polyploidy, and phenotypic plasticity. Understanding evolutionary patterns using molecular markers can allow for a more thorough assessment of evolutionary lineages than traditional morphological markers. In this study, we evaluated genetic diversity and phylogenetic ... Read more >>

Syst Bot (Systematic botany)
[2021, 45(4):767-778]

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Phylogenetic Divergence and Ecophysiological Variation in the Disjunct Kalmia buxifolia (Sand-Myrtle, Ericaceae)

Ellen J Quinlan, Kathy G Mathews, Beverly Collins, Robert Young,

Kalmia buxifolia (sand-myrtle, Ericaceae) is disjunctly distributed across the high-elevation rock outcrops of the southern Appalachians, upper monadnocks and pine savannas of the Carolina Piedmont and Coastal Plain, and the New Jersey Pine Barrens. Here, we sampled plants from each region and reconstructed the phylogeographic history of K. buxifolia to ... Read more >>

Syst Bot (Systematic botany)
[2021, 45(4):900-912]

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BERing transcriptional noise for cell plasticity.

Eytan Zlotorynski,

Nat Rev Mol Cell Biol (Nature reviews. Molecular cell biology)
[2021, 22(10):649]

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A paradigm shift: emerging roles of microglia, a non-neuronal cell, in learning and memory.

Neelima Gupta, S Thameem Dheen,

Neural Regen Res (Neural regeneration research)
[2021, 16(10):1992-1993]

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Chief cell plasticity is the origin of metaplasia following acute injury in the stomach mucosa.

Brianna Caldwell, Anne R Meyer, Jared A Weis, Amy C Engevik, Eunyoung Choi,

<h4>Objective</h4>Metaplasia arises from differentiated cell types in response to injury and is considered a precursor in many cancers. Heterogeneous cell lineages are present in the reparative metaplastic mucosa with response to injury, including foveolar cells, proliferating cells and spasmolytic polypeptide-expressing metaplasia (SPEM) cells, a key metaplastic cell population. Zymogen-secreting chief ... Read more >>

Gut (Gut)
[2021, :]

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Phenotypic Plasticity and Genetic Variation of Leaf Pigment Content in a Southern Beech

Jorge Andres Arias Rios, Veronica Andrea El Mujtar, Mario Juan Pastorino, Paula Marchelli,

Physiological, morphological and phenological attributes are potentially adaptive traits that determine functional responses to certain environmental conditions. They are crucial for understanding adaptations to environmental variation along a species natural range. In particular, leaf pigment content can be a good proxy to the physiological and phenological tree state. Our goal ... Read more >>

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Neuroprotective activity of natural products isolated from Senecio graciliflorus DC against corticosterone-induced impairment in SH-SY5Y cells.

Salman Jameel, Loveleena Kaur, Showkat Ahmad Bhat, Fayaz A Malik, Khursheed Ahmad Bhat,

Senecio graciliflorus DC root extract was studied for secondary metabolite composition following the bioactivity-guided isolation technique. The ethyl acetate extract of Senecio graciliflorus root yielded nine chemical constituents: 3,4-di-tert-butyl toluene, stigmasterol, β-sitosterol, 2β-(angeloyloxy)furanoeremophilane, gallic acid, 2β-{[(Z)-2-hydroxymethylbut-2-enoyl]oxy}furanoeremophilane, 1-hydroxypentan-2-yl-4-methylbenzoate, sarcinic acid, and sitosterol 3-O-β-D-glucopyranoside. The structures of the chemical constituents were elucidated ... Read more >>

Naunyn Schmiedebergs Arch Pharmacol (Naunyn-Schmiedeberg's archives of pharmacology)
[2021, :]

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The seeds of invasion: enhanced germination in invasive European populations of black locust (Robinia pseudoacacia L.) compared to native American populations.

X P Bouteiller, F Moret, R Ségura, M Klisz, A Martinik, A Monty, J Pino, M van Loo, T Wojda, A J Porté, S Mariette,

Local adaptation and the evolution of phenotypic plasticity may facilitate biological invasions. Both processes can enhance germination and seedling recruitment, which are crucial life-history traits for plants. The rate, timing and speed of germination have recently been documented as playing a major role during the invasion process. Black locust (Robinia ... Read more >>

Plant Biol (Stuttg) (Plant biology (Stuttgart, Germany))
[2021, :]

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Cell plasticity, senescence, and quiescence in cancer stem cells: Biological and therapeutic implications.

Ritama Paul, Jay F Dorsey, Yi Fan,

Cancer stem cells (CSCs) are a distinct population of cells within tumors with capabilities of self-renewal and tumorigenicity. CSCs play a pivotal role in cancer progression, metastasis, and relapse and tumor resistance to cytotoxic therapy. Emerging scientific evidence indicates that CSCs adopt several mechanisms, driven by cellular plasticity, senescence and ... Read more >>

Pharmacol Ther (Pharmacology & therapeutics)
[2021, :107985]

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Limited plasticity in thermally tolerant ectotherm populations: evidence for a trade-off.

Jordanna M Barley, Brian S Cheng, Matthew Sasaki, Sarah Gignoux-Wolfsohn, Cynthia G Hays, Alysha B Putnam, Seema Sheth, Andrew R Villeneuve, Morgan Kelly,

Many species face extinction risks owing to climate change, and there is an urgent need to identify which species' populations will be most vulnerable. Plasticity in heat tolerance, which includes acclimation or hardening, occurs when prior exposure to a warmer temperature changes an organism's upper thermal limit. The capacity for ... Read more >>

Proc Biol Sci (Proceedings. Biological sciences)
[2021, 288(1958):20210765]

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Inferring multilayer interactome networks shaping phenotypic plasticity and evolution.

Dengcheng Yang, Yi Jin, Xiaoqing He, Ang Dong, Jing Wang, Rongling Wu,

Phenotypic plasticity represents a capacity by which the organism changes its phenotypes in response to environmental stimuli. Despite its pivotal role in adaptive evolution, how phenotypic plasticity is genetically controlled remains elusive. Here, we develop a unified framework for coalescing all single nucleotide polymorphisms (SNPs) from a genome-wide association study ... Read more >>

Nat Commun (Nature communications)
[2021, 12(1):5304]

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Reconfigurable 2D WSe2 -Based Memtransistor for Mimicking Homosynaptic and Heterosynaptic Plasticity.

Guanglong Ding, Baidong Yang, Ruo-Si Chen, Wen-Ai Mo, Kui Zhou, Yang Liu, Gang Shang, Yongbiao Zhai, Su-Ting Han, Ye Zhou,

The mimicking of both homosynaptic and heterosynaptic plasticity using a high-performance synaptic device is important for developing human-brain-like neuromorphic computing systems to overcome the ever-increasing challenges caused by the conventional von Neumann architecture. However, the commonly used synaptic devices (e.g., memristors and transistors) require an extra modulate terminal to mimic ... Read more >>

Small (Small (Weinheim an der Bergstrasse, Germany))
[2021, :e2103175]

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