Using Nonhuman Primate Models to Reverse-Engineer Prefrontal Circuit Failure Underlying Cognitive Deficits in Schizophrenia DOI

Mathew V. Chafee

Current topics in behavioral neurosciences, Год журнала: 2022, Номер unknown, С. 315 - 362

Опубликована: Янв. 1, 2022

Язык: Английский

The Alteration of Microglial Calcium Homeostasis in Central Nervous System Disorders: A Comprehensive Review DOI Creative Commons
ATM Hasibul Hasan, Faria Tasnim, Md. Aktaruzzaman

и другие.

Neuroglia, Год журнала: 2024, Номер 5(4), С. 410 - 444

Опубликована: Окт. 21, 2024

Microglia, the unique and motile immune cells of central nervous system (CNS), function as a security guard in maintaining CNS homeostasis, primarily through calcium signaling. The dynamics microglia control important functions such phagocytosis, cytokine release, migration. Calcium dysregulation has been linked to several disorders, like Alzheimer’s disease (AD), Parkinson’s (PD), multiple sclerosis (MS), ischemic stroke (IS). entering channels voltage-gated (VGCCs), store-operated entry (SOCE), transient receptor potential (TRP) is essential for microglial activation pro-inflammatory responses. Under pathological conditions, formation amyloid-β plaques AD, aggregation α-synuclein PD, oxidative stress MS, exacerbates neuroinflammation, mitochondrial dysfunction, neurodegeneration. Therapeutic strategies targeting signaling pathways, using channel blockers antioxidant interventions, show promise alleviating slowing down progression. This review summarizes underlying mechanisms therapeutic benefits restoring balance disorders.

Язык: Английский

Процитировано

10

MRI-based cortical gray/white matter contrast in young adults who endorse psychotic experiences or are at genetic risk for psychosis DOI

Nasimeh Naseri,

Dani Beck, Lia Ferschmann

и другие.

Psychiatry Research Neuroimaging, Год журнала: 2025, Номер 349, С. 111981 - 111981

Опубликована: Март 7, 2025

Язык: Английский

Процитировано

0

The neuroplastic brain: current breakthroughs and emerging frontiers DOI Creative Commons
Parisa Gazerani

Brain Research, Год журнала: 2025, Номер unknown, С. 149643 - 149643

Опубликована: Апрель 1, 2025

Язык: Английский

Процитировано

0

Compensatory thickening of cortical thickness in early stage of schizophrenia DOI

Yujue Wang,

Lejia Fan,

Ying He

и другие.

Cerebral Cortex, Год журнала: 2024, Номер 34(6)

Опубликована: Июнь 1, 2024

Abstract Brain structural abnormality has been observed in the prodromal and early stages of schizophrenia, but mechanism behind it is not clear. In this study, to explore association between cortical abnormalities, metabolite levels, inflammation levels clinical symptoms 51 drug-naive first-episode schizophrenia (FES) patients, ultra-high risk for psychosis (UHR), healthy controls (HC) were recruited. We estimated gray matter volume (GMV), thickness (CT), concentrations different metabolites, inflammatory marks among four groups (UHR converted [UHR-C], UHR unconverted [UHR-NC], FES, HC). UHR-C group had more CT right lateral occipital cortex medial orbito-frontal (rMOF), while a significant reduction fusiform was FES group. significantly higher concentration IL-6, IL-17 could predict IL-4 predictors rMOF. To conclude, reasonable speculate that increased related response, may participate some compensatory mechanism, might become exhaustive with progress disease due potential neurotoxic effects.

Язык: Английский

Процитировано

2

Flexibility of intrinsic neural timescales during distinct behavioral states DOI Creative Commons
Yasir Çatal, Kaan Keskin, Angelika Wolman

и другие.

Communications Biology, Год журнала: 2024, Номер 7(1)

Опубликована: Дек. 19, 2024

Abstract Recent neuroimaging studies demonstrate a heterogeneity of timescales prevalent in the brain’s ongoing spontaneous activity, labeled intrinsic neural (INT). At same time, also reflect stimulus- or task-related activity. The relationship INT during activity with their involvement task states including behavior remains unclear. To address this question, we combined calcium imaging data spontaneously behaving mice and human electroencephalography (EEG) rest computational modeling. We obtained four primary findings: (i) distinct behavioral can be accurately predicted from INT, (ii) become longer compared to rest, (iii) change is correlated negatively variability (iv) mass modeling shows key role recurrent connections mediating rest-task INT. Extending current findings, our results show dynamic nature reflecting continuous through flexible modulation possibly mediated by connections.

Язык: Английский

Процитировано

2

Childhood Schizotypy and Adolescent Mental Disorder DOI
Kirstie O’Hare, Oliver J. Watkeys, Kimberlie Dean

и другие.

Schizophrenia Bulletin, Год журнала: 2023, Номер 50(1), С. 69 - 77

Опубликована: Сен. 4, 2023

Abstract Background and Hypothesis Schizotypy provides a framework for understanding the developmental nature of psychotic disorders means identifying “at-risk” individuals early in lifespan. However, there is lack prospective longitudinal research examining relationship between schizotypy childhood later other mental disorders. We hypothesized that distinct profiles would be differentially associated with emerging adolescence. Study Design In large population cohort Australian young people (n = 26 837), we prospectively examined person-centered identified middle (age ~11 years) adolescent diagnoses ~13–18 across 7 types using multinomial logistic regression. Results Membership any 3 (true schizotypy, affective or introverted schizotypy) was an increased likelihood being diagnosed type disorder adolescence; effects were strongest true group (aOR 3.07, 95% CI 2.64, 3.57), followed by 1.94, 1.75, 2.15) 1.29, 1.13, 1.47) groups. Six measured (including disorders) at least 1 group. Conclusions important correlate however, it does not appear to specifically this age

Язык: Английский

Процитировано

4

Local and long-range input balance: A framework for investigating frontal cognitive circuit maturation in health and disease DOI Creative Commons
S. Allén, Hirofumi Morishita

Science Advances, Год журнала: 2024, Номер 10(38)

Опубликована: Сен. 18, 2024

Frontal cortical circuits undergo prolonged maturation across childhood and adolescence; however, it remains unknown what specific changes are occurring at the circuit level to establish adult cognitive function. With recent advent of dissection techniques, is now feasible examine circuit-specific in connectivity, activity, function animal models. Here, we propose that balance local long-range inputs onto frontal an understudied metric maturation. This review highlights research on a frontal-sensory attention undergoes refinement local/long-range regulated by activity neuromodulatory signaling, evaluates how this process may occur generally cortex support behavior. Notably, can be bidirectionally disrupted through various mechanisms relevant psychiatric disorders. Pharmacological or environmental interventions normalize reset could hold great therapeutic promise prevent rescue deficits.

Язык: Английский

Процитировано

1

Increased whole-brain functional heterogeneity in psychosis during rest and task DOI Creative Commons
Brian P. Keane,

Yonatan Abrham,

Luke J. Hearne

и другие.

NeuroImage Clinical, Год журнала: 2024, Номер 43, С. 103630 - 103630

Опубликована: Янв. 1, 2024

Past work has shown that people with schizophrenia exhibit more cross-subject heterogeneity in their functional connectivity patterns. However, it remains unclear whether specific brain networks are implicated, common confounds could explain the results, or task activations might also be heterogeneous. Unambiguously establishing existence and extent of constitutes a first step toward understanding why emerges what means clinically. Methods. We leveraged data from HCP Early Psychosis project. Functional (FC) was extracted 718 parcels via principal components regression. Networks were defined network partition (Ji et al., 2019). examined an independent set controls, later-stage patients, ADHD patients during rest working memory task. quantified by averaging Pearson correlation distance each subject's FC activity pattern to every other subject same cohort. Results. Affective non-affective early psychosis exhibited whole-brain than healthy controls (ps < 0.001, Hedges' g > 0.74). Increased found up seven networks. In-scanner motion, medication, nicotine, comorbidities not results. Later-stage heterogeneous patterns compared control subjects. Interestingly, individual connection weights, parcel-wise activations, averages thereof variable suggesting becomes most obvious over large-scale Conclusion. Whole-brain characterizes Developmental pathophysiological consequences discussed.

Язык: Английский

Процитировано

0

Using Nonhuman Primate Models to Reverse-Engineer Prefrontal Circuit Failure Underlying Cognitive Deficits in Schizophrenia DOI

Mathew V. Chafee

Current topics in behavioral neurosciences, Год журнала: 2022, Номер unknown, С. 315 - 362

Опубликована: Янв. 1, 2022

Язык: Английский

Процитировано

0