
Frontiers in Psychiatry, Год журнала: 2023, Номер 14
Опубликована: Июнь 12, 2023
EDITORIAL article Front. Psychiatry, 12 June 2023Sec. Neuroimaging Volume 14 - 2023 | https://doi.org/10.3389/fpsyt.2023.1225755
Язык: Английский
Frontiers in Psychiatry, Год журнала: 2023, Номер 14
Опубликована: Июнь 12, 2023
EDITORIAL article Front. Psychiatry, 12 June 2023Sec. Neuroimaging Volume 14 - 2023 | https://doi.org/10.3389/fpsyt.2023.1225755
Язык: Английский
Physiological Reviews, Год журнала: 2011, Номер 91(3), С. 827 - 887
Опубликована: Июль 1, 2011
MicroRNAs (miRNAs) are a class of posttranscriptional regulators that have recently introduced an additional level intricacy to our understanding gene regulation. There currently over 10,000 miRNAs been identified in range species including metazoa, mycetozoa, viridiplantae, and viruses, which 940, date, found humans. It is estimated more than 60% human protein-coding genes harbor miRNA target sites their 3' untranslated region and, thus, potentially regulated by these molecules health disease. This review will first briefly describe the discovery, structure, mode function mammalian cells, before elaborating on roles significance during development pathogenesis various organs, while attempting reconcile functions with existing knowledge targets. Finally, we summarize some advances made utilizing therapeutics.
Язык: Английский
Процитировано
1047Frontiers in Immunology, Год журнала: 2020, Номер 11
Опубликована: Май 27, 2020
Coronavirus disease 2019 (COVID-19) is caused by the Severe Acute Respiratory Syndrome 2 (SARS-CoV-2). The impacts of may be beyond respiratory system, also affecting mental health. Several factors involved in association between COVID-19 and psychiatric outcomes, such as fear inherent pandemic, adverse effects treatments, well financial stress social isolation. Herein we discuss growing evidence suggesting that relationship SARS-CoV-2 host trigger changes brain behavior. Based on similarity with other coronaviruses, it conceivable endocrine immune response periphery or central nervous system infection impaired This likely to further enhanced, since millions people worldwide are isolated quarantine minimize transmission isolation can lead neuroendocrine-immune changes. Accordingly, highlight here hypothesis interactions negative issues.
Язык: Английский
Процитировано
181Cells, Год журнала: 2022, Номер 11(16), С. 2607 - 2607
Опубликована: Авг. 21, 2022
Nearly half a century has passed since the discovery of cytoplasmic inheritance human chloramphenicol resistance. The was then revealed to take place maternally by mitochondrial DNA (mtDNA). Later, number mutations in mtDNA were identified as cause severe inheritable metabolic diseases with neurological manifestation, and impairment functions been probed pathogenesis wide range illnesses including neurodegenerative diseases. Recently, growing preclinical studies have that animal behaviors are influenced possibly loss stress resilience. Indeed, high 54% patients one most common primary diseases, encephalomyopathy lactic acidosis stroke-like episodes (MELAS) syndrome, present psychiatric symptoms cognitive impairment, mood disorder, anxiety, psychosis. Mitochondria multifunctional organelles which produce cellular energy play major role other homeostasis, signaling, gene expression, among others. Mitochondrial observed be compromised become less resilient under continuous stress. Meanwhile, inflammation linked activation tryptophan (Trp)-kynurenine (KYN) system, observably contributes development pathological conditions disorders. This review discusses mitochondria Trp-KYN interaction system mitochondria, current understanding involvement clinical
Язык: Английский
Процитировано
132Biomedicines, Год журнала: 2022, Номер 10(4), С. 849 - 849
Опубликована: Апрель 5, 2022
Kynurenic acid (KYNA) is an endogenous tryptophan (Trp) metabolite known to possess neuroprotective property. KYNA plays critical roles in nociception, neurodegeneration, and neuroinflammation. A lower level of observed patients with neurodegenerative diseases such as Alzheimer's Parkinson's or psychiatric disorders depression autism spectrum disorders, whereas a higher associated the pathogenesis schizophrenia. Little about optimal concentration for neuroprotection threshold neurotoxicity. In this study effects on memory functions were investigated by passive avoidance test mice. Six different doses administered intracerebroventricularly previously trained CFLP mice they 24 h. High (i.e., 20-40 μg/2 μL) significantly decreased latency, low dose (0.5 elevated it compared controls, suggesting that enhanced function. Furthermore, six receptor blockers applied reveal mechanisms underlying enhancement induced KYNA. The series tests revealed possible involvement serotonergic, dopaminergic, α β adrenergic, opiate systems nootropic effect. This confirmed improved component cognitive domain, which was mediated by, at least part, four neurotransmission animal model learning memory.
Язык: Английский
Процитировано
80Psychophysiology, Год журнала: 2022, Номер 59(12)
Опубликована: Июнь 7, 2022
Understanding transient dynamics of the autonomic nervous system during fear learning remains a critical step to translate basic research into treatment fear-related disorders. In humans, it has been demonstrated that typically elicits heart rate deceleration. However, classical analyses variability (HRV) fail disentangle contribution parasympathetic and sympathetic systems, crucially, they are not able capture phasic changes learning. Here, gain deeper insight physiological underpinnings learning, novel frequency-domain analysis was performed using short-time Fourier transform, instantaneous spectral estimates extracted from point-process modeling algorithm. We tested whether components HRV, used as noninvasive probe mechanisms, can dissociate between conditioned neutral stimuli. found learned elicited deceleration in anticipation noxious Crucially, results revealed significant increase power high frequency band when facing stimulus, indicating increased (vagal) activity, which distinguished stimuli Our findings provide proximal measure involvement cardiac vagal psychophysiology extinction, thus offering new insights for characterization mental health illness.
Язык: Английский
Процитировано
78Journal of Neural Transmission, Год журнала: 2022, Номер 129(5-6), С. 627 - 642
Опубликована: Май 28, 2022
Язык: Английский
Процитировано
77International Journal of Molecular Sciences, Год журнала: 2023, Номер 24(6), С. 5926 - 5926
Опубликована: Март 21, 2023
Learning to recognize and respond potential threats is crucial for survival. Pavlovian threat conditioning represents a key paradigm investigating the neurobiological mechanisms of fear learning. In this review, we address role specific neuropharmacological adjuvants that act on neurochemical synaptic transmission, as well brain plasticity processes implicated in memory. We focus novel manipulations targeting glutamatergic, noradrenergic, endocannabinoid systems, how modulation these systems affects extinction learning humans. show administration N-methyl-D-aspartate (NMDA) agonists system by fatty acid amide hydrolase (FAAH) inhibition can boost through stabilization regulation receptor concentration. On other hand, elevated noradrenaline levels dynamically modulate learning, hindering long-term processes. These pharmacological interventions could provide targeted treatments prevention strategies fear-based anxiety-related disorders.
Язык: Английский
Процитировано
58International Journal of Molecular Sciences, Год журнала: 2023, Номер 24(4), С. 4114 - 4114
Опубликована: Фев. 18, 2023
Migraine and neuropathic pain (NP) are both painful, disabling, chronic conditions which exhibit some symptom similarities thus considered to share a common etiology. The calcitonin gene-related peptide (CGRP) has gained credit as target for migraine management; nevertheless, the efficacy applicability of CGRP modifiers warrant search more effective therapeutic targets management. This scoping review focuses on human studies pathogenic factors in NP, with reference available preclinical evidence explore potential novel targets. inhibitors monoclonal antibodies alleviate inflammation meninges; targeting transient receptor (TRP) ion channels may help prevent release nociceptive substances, modifying endocannabinoid system open path toward discovery analgesics. There exist tryptophan-kynurenine (KYN) metabolic system, is closely linked glutamate-induced hyperexcitability; alleviating neuroinflammation complement pain-relieving armamentarium, microglial excitation, observed conditions, be possible approach. Those several analgesic deserve explored analgesics; however, much remains missing. highlights need subtypes, TRP modulators, knowledge status KYN metabolites, consensus cytokines sampling, biomarkers function, innovative management methods NP.
Язык: Английский
Процитировано
56Advances in Clinical and Experimental Medicine, Год журнала: 2023, Номер 32(5), С. 505 - 509
Опубликована: Май 22, 2023
This editorial highlights the limitations of preclinical models in accurately reflecting complexity anxiety and depression, which leads to a lack effective treatments for these disorders. Inconsistencies experimental designs methodologies can entail conflicting or inconclusive findings, while an overreliance on medication mask underlying problems. Researchers are exploring new approaches modeling negative emotional disorders, including using patient-derived cells, developing more complex animal models, integrating genetic environmental factors. Advanced technologies, such as optogenetics, chemogenetics neuroimaging, also being employed improve specificity selectivity models. Collaboration innovation across different disciplines sectors needed address societal challenges, requires funding support that prioritize cooperation multidisciplinary research. By harnessing power technology ways working, researchers collaborate effectively bring about transformative change.
Язык: Английский
Процитировано
50Frontiers in Molecular Neuroscience, Год журнала: 2023, Номер 16
Опубликована: Июль 28, 2023
OPINION article Front. Mol. Neurosci., 28 July 2023Sec. Molecular Signalling and Pathways Volume 16 - 2023 | https://doi.org/10.3389/fnmol.2023.1217090
Язык: Английский
Процитировано
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