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Maria del Carmen Sandi Perez

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Publications associées (191)

Role for MMP-9 in stress-induced downregulation of nectin-3 in hippocampal CA1 and associated behavioural alterations

Maria del Carmen Sandi Perez, Martina Fantin, Olivia Zanoletti, Jocelin Grosse, Michael van der Kooij, Céline Fournier

Chronic stress is a risk factor for the development of psychopathologies characterized by cognitive dysfunction and deregulated social behaviours. Emerging evidence suggests a role for cell adhesion molecules, including nectin-3, in the mechanisms that un ...

Nature Research2014

Impaired hippocampal neuroligin-2 function by chronic stress or synthetic peptide treatment is linked to social deficits and increased aggression

Maria del Carmen Sandi Perez, Martina Fantin, Olivia Zanoletti, Jocelin Grosse, Michael van der Kooij

Neuroligins (NLGNs) are cell adhesion molecules that are important for proper synaptic formation and functioning and are critical regulators of the balance between neural excitation/inhibition (E/I). Mutations in NLGNs have been linked to psychiatric disor ...

Nature Publishing Group2014

Pathogen-free husbandry conditions alleviate behavioral deficits and neurodegeneration in AD10 anti-NGF mice

Maria del Carmen Sandi Perez, Daniel Constam, Séverine Marguerite Urfer, Stamatina Tzanoulinou

It has been suggested that systemic infection, occurring during aging and chronic neurodegenerative diseases, can evoke an immune response that aggravates the progression of neurodegeneration and cognitive decline. It has been shown that the AD11 neurodege ...

2014

CRHR1 links peripuberty stress with deficits in social and stress-coping behaviors

Maria del Carmen Sandi Perez, Vandana Veenit, Orbicia Riccio Wicht

Stressful life events during childhood and adolescence are important risk factors for the development of psychopathologies later in life. The corticotropin releasing hormone (CRH) and the CRH receptor 1 (CRHR1) have been implicated in the link between earl ...

Pergamon-Elsevier Science Ltd2014

Learning improvement after PI3K activation correlates with de novo formation of functional small spines

Maria del Carmen Sandi Perez

PI3K activation promotes the formation of synaptic contacts and dendritic spines, morphological features of glutamatergic synapses that are commonly known to be related to learning processes. In this report, we show that in vivo administration of a peptide ...

2014

Social deficits induced by peripubertal stress in rats are reversed by resveratrol

Maria del Carmen Sandi Perez, Guillaume Poirier, Olivia Zanoletti

Adolescence is increasingly recognized as a critical period for the development of the social system, through the maturation of social competences and of their underlying neural circuitries. The present study sought to test the utility of resveratrol, a di ...

2014

A key role for nectin-1 in the ventral hippocampus in contextual fear memory

Maria del Carmen Sandi Perez, Martina Fantin, Jocelin Grosse, Michael van der Kooij

Nectins are cell adhesion molecules that are widely expressed in the brain. Nectin expression shows a dynamic spatiotemporal regulation, playing a role in neural migratory processes during development. Nectin-1 and nectin-3 and their heterophilic trans-int ...

Public Library of Science2013

Peripuberty stress leads to abnormal aggression, altered amygdala and orbitofrontal reactivity and increased prefrontal MAOA gene expression

Pierre Magistretti, Maria del Carmen Sandi Perez, Maria Isabel Cordero Campana, Didier Trono, Anna Claire Groner, Cristina Marquez Vega, Guillaume Poirier

Although adverse early life experiences have been found to increase lifetime risk to develop violent behaviors, the neurobiological mechanisms underlying these long-term effects remain unclear. We present a novel animal model for pathological aggression in ...

Nature Publishing Group2013

Long-term programming of enhanced aggression by peripuberty stress in female rats

Maria del Carmen Sandi Perez, Maria Isabel Cordero Campana

Human literature has linked adverse early life experiences with an increased risk to develop violent behaviors in both boys and girls. We have previously shown that male rats submitted to stress during the peripuberty period display as adults abnormal aggr ...

Elsevier2013

Increased corticosterone in peripubertal rats leads to long-lasting alterations in social exploration and aggression

Maria del Carmen Sandi Perez, Maria Isabel Cordero Campana, Stamatina Tzanoulinou, Vandana Veenit

Stress during childhood and adolescence enhances the risk of psychopathology later in life. We have previously shown that subjecting male rats to stress during the peripubertal period induces long-lasting effects on emotion and social behaviors. As cortico ...

Frontiers Research Foundation2013

Age-related cognitive impairments in mice with a conditional ablation of the neural cell adhesion molecule

Maria del Carmen Sandi Perez, Reto Bisaz, David Genoux

Most of the mechanisms involved in neural plasticity support cognition, and aging has a considerable effect on some of these processes. The neural cell adhesion molecule (NCAM) of the immunoglobulin superfamily plays a pivotal role in structural and functi ...

Cold Spring Harbor Lab Press, Publications Dept2013

Stress and cognition

Maria del Carmen Sandi Perez

Stress can affect cognition in many ways, with the outcome (i.e., facilitating or impairing) depending on a combination of factors related to both stress and the cognitive function under study. Among the factors identified as particularly relevant to defin ...

Wiley-Blackwell2013

Female vulnerability to the development of depression-like behavior in a rat model of intimate partner violence is related to anxious temperament, coping responses, and amygdala vasopressin receptor 1a expression

Maria del Carmen Sandi Perez, Maria Isabel Cordero Campana, Guillaume Poirier

Exposure to violence is traumatic and an important source of mental health disturbance, yet the factors associated with victimization remain incompletely understood. The aim of the present study was to investigate factors related to vulnerability to depres ...

Frontiers Research Foundation2013

Hippocampal neuroligin-2 overexpression leads to reduced aggression and inhibited novelty reactivity in rats

Maria del Carmen Sandi Perez, Olivia Zanoletti, Jocelin Grosse, Céline Fournier, Orbicia Riccio Wicht

Disturbances of the excitation/inhibition (E/I) balance in the brain were recently suggested as potential factors underlying disorders like autism and schizophrenia resulting in associated behavioral alterations including changes in social and emotional be ...

Public Library of Science2013

The interplay of conditional NCAM-knockout and chronic unpredictable stress leads to increased aggression in mice

Maria del Carmen Sandi Perez, Olivia Zanoletti, Jocelin Grosse, Céline Fournier, Orbicia Riccio Wicht

The neural cell adhesion molecule (NCAM) is a key regulator of brain plasticity. Substantial evidence indicates that NCAM is down-regulated by exposure to sustained stress and chronic stress seems to lead to increased aggression. In addition, constitutiona ...

Informa Healthcare2013

Facilitation of AMPA receptor synaptic delivery as a molecular mechanism for cognitive enhancement

Maria del Carmen Sandi Perez, Erika Myrna Borcel Novoa, Lidia Alonso-Nanclares

Cell adhesion molecules and downstream growth factor-dependent signaling are critical for brain development and synaptic plasticity, and they have been linked to cognitive function in adult animals. We have previously developed a mimetic peptide (FGL) from ...

2012

Personality traits in rats predict vulnerability and resilience to developing stress-induced depression-like behaviors, HPA axis hyper-reactivity and brain changes in pERK1/2 activity

Maria del Carmen Sandi Perez, Maria Isabel Cordero Campana, Jorge Eduardo Castro Cifuentes, Cristina Marquez Vega, Shanaz Diessler

Emerging evidence indicates that certain behavioral traits, such as anxiety, are associated with the development of depression-like behaviors after exposure to chronic stress. However, single traits do not explain the wide variability in vulnerability to s ...

Elsevier2012

Psychobiological Vulnerability to Stress : Behavioral Traits and Neurobiological Mechanisms

Maria del Carmen Sandi Perez, Jorge Eduardo Castro Cifuentes

Several psychobiological factors are associated with vulnerability/resilience to stress-induced depression. Emerging evidence indicates behavioral traits, such as anxiety, can be related to depression-like symptoms after exposure to chronic stress. However ...

EPFL2012

Stress during puberty boosts metabolic activation associated with fear-extinction learning in hippocampus, basal amygdala and cingulate cortex

Maria del Carmen Sandi Perez

Adolescence is characterized by major developmental changes that may render the individual vulnerable to stress and the development of psychopathologies in a sex-specific manner. Earlier we reported lower anxiety-like behavior and higher risk-taking and no ...

2012

Social memories in rodents: methods, mechanisms and modulation by stress

Maria del Carmen Sandi Perez, Michael van der Kooij

Intact social memory forms the basis of meaningful interactions between individuals. Many factors can modulate the quality of social memory, and these have been studied in detail in rodents. Social memory, however, cannot be considered a single entity. The ...

Pergamon-Elsevier Science Ltd2012

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