Article
Multidisciplinary Sciences
Ashleigh G. Wilcox, R. Sonia Bains, Debbie Williams, Elizabeth Joynson, Lucie Vizor, Peter L. Oliver, Elizabeth S. Maywood, Michael H. Hastings, Gareth Banks, Patrick M. Nolan
Summary: The study describes a mouse mutant with the central pacemaker SCN genetically ablated, leading to arrhythmicity in circadian rhythms and metabolic parameters, although the mutants could still anticipate food availability. Despite disruptions to SCN cell identity and circuitry, the mutants' activity levels were altered and other zeitgebers could not restore rhythmicity.
Article
Biology
Ruby Kim, Thomas P. Witelski
Summary: This paper investigates the dynamics of dopamine in the circadian timekeeping system and explores the disruptions in the daily rhythmicity of dopamine caused by decoupling and quasiperiodic behaviors. The imbalance of dopamine is often associated with disrupted circadian rhythms, and this model provides new insights into the link between the circadian clock and dopamine, which can be used to study the impact of circadian rhythms on the dopaminergic system and develop therapeutic strategies.
MATHEMATICAL BIOSCIENCES
(2022)
Review
Biochemistry & Molecular Biology
Andrew Salazar, Joerg von Hagen
Summary: Periodically oscillating biological processes, such as circadian rhythms, play a crucial role in tissue pathology, organismal health, and molecular mechanisms. Recent reports challenge the prevailing hierarchical model by suggesting that light can independently affect peripheral circadian clocks. However, there is a lack of comprehensive overview regarding these processes in the skin. This review highlights the molecular circadian clock machinery and factors governing it, and emphasizes the link between circadian rhythm, immunological processes, and skin homeostasis as well as its impact on the skin.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Physiology
Aarti Jagannath, Simona Di Pretoro, Farid Ebrahimjee, Suzanne Ftouni, Lewis Taylor, Russell G. Foster, Sridhar Vasudevan
Summary: This study demonstrates that the adenosine antagonist CT1500 can affect circadian entrainment in mice by regulating the transcription of clock genes and phase-shifting the circadian clock. The administration of CT1500 enhances the mice's adaptation to shifted light dark cycles and can entrain the circadian clock to a 24-hour rhythm. These findings suggest that CT1500 may be a potential treatment for circadian entrainment disorders.
FRONTIERS IN PHYSIOLOGY
(2022)
Article
Multidisciplinary Sciences
Chip Sisson, Michael Seifu Bahiru, Emily N. C. Manoogian, Eric L. Bittman
Summary: The study reveals the role of Cry1 in phase shifting and longevity in the face of heart disease. The Cry1-deficient animals show increased phase volatility but not accelerated circadian clock. Additionally, phase shifts can eliminate the shortened lifespan effect of cardiomyopathy in these mutants.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2022)
Review
Neurosciences
Jens Hannibal
Summary: The article discusses the two light perception systems in mammalian eyes, image detecting system and non-image forming system (NIF). It focuses on the anatomy of NIF in the eye and its neuronal projection to the brain. The development and functions of NIF, as well as the challenges it poses to humans and animals in modern society, are highlighted.
FRONTIERS IN NEUROSCIENCE
(2021)
Article
Chemistry, Analytical
Vuong Hung Truong, Jihwan Myung
Summary: This article introduces a system called LocoBox, which is easy to construct and operate, for recording day-night locomotor activities of animals and controlling environmental light. The system utilizes economical components and flexible entrainment scenarios, and can be used for long-term recording in regular home cages.
Review
Neurosciences
Joost X. Maier, Zihao Zhang
Summary: During early development, the brain undergoes significant structural changes at different levels, while still performing adaptive functions. The rodent olfactory system, which is essential for newborn survival, provides an ideal model to investigate how structurally immature brains process information and maintain stable function.
FRONTIERS IN CELLULAR NEUROSCIENCE
(2023)
Article
Biology
Ruby Kim, H. Frederik Nijhout, Michael C. Reed
Summary: The circadian clock in the mammalian brain regulates important physiological functions and is linked to neurological conditions related to dopamine imbalances. A mathematical model is used to explore the reciprocal influence between dopamine and the circadian clock, specifically the role of dopamine receptor D1 signaling in circadian entrainment. The effects of phase shifts, photoperiod, and therapeutic potential are studied, providing insights into the underlying mechanisms and potential treatments.
MATHEMATICAL BIOSCIENCES
(2023)
Article
Neurosciences
Johanna K. K. Kostka, Ileana L. L. Hanganu-Opatz
Summary: Cognitive processing in neonatal mice relies on the functional refinement of the limbic circuitry, with early olfactory processing playing a crucial role in shaping activity within these circuits. Through in vivo recordings and manipulations of mitral/tufted cells in the olfactory bulb, researchers found that the neonatal olfactory bulb synchronizes the limbic circuitry and drives activity in the lateral entorhinal cortex, hippocampus, and prefrontal cortex. This suggests that the olfactory bulb plays a significant role in the communication within limbic circuits during neonatal development.
JOURNAL OF PHYSIOLOGY-LONDON
(2023)
Review
Cell Biology
Sue Kulason, J. Tilak Ratnanather, Michael I. Miller, Vidyulata Kamath, Jun Hua, Kun Yang, Minghong Ma, Koko Ishizuka, Akira Sawa
Summary: Olfactory dysfunction serves as an early indicator of neurological and psychiatric disorders, and the peripheral olfactory system may play a causal role in brain alterations. Rodent models provide valuable insights into how peripheral pathology spreads to central brain regions, and neuroimaging modalities bridge the gap between rodents and humans. Olfactory brain imaging studies contribute to the understanding of olfaction in both healthy individuals and patients with disorders.
SEMINARS IN CELL & DEVELOPMENTAL BIOLOGY
(2022)
Article
Biology
Guangyuan Liao, Amitabha Bose
Summary: This paper addresses the time and pattern of entrainment of circadian systems after an abrupt switch in the light-dark phasing. The study introduces a systematic way to derive an entrainment map and explains the behavior of reentrainment. It also investigates the dynamics of a hierarchical system with mutually coupled oscillators and explores the effect of desynchronization on reentrainment times.
MATHEMATICAL BIOSCIENCES
(2022)
Article
Cell Biology
Mary R. Schreck, Liujing Zhuang, Emma Janke, Andrew H. Moberly, Janardhan P. Bhattarai, Jay A. Gottfried, Daniel W. Wesson, Minghong Ma
Summary: The central gating mechanism for olfactory processing during sleep remains uncertain. This study found increased neural activity in the olfactory pathway during sleep compared to wakefulness, suggesting a lack of central gating. Additionally, slower and shallower breathing during sleep may suggest a partial peripheral gating mechanism.
Article
Neurosciences
Anna Magdalena Sanetra, Katarzyna Palus-Chramiec, Marian Henryk Lewandowski
Summary: Circadian rhythms are regulated by a set of brain structures, one of which is the IGL that integrates various stimuli influencing rhythmicity through the norepinephrinergic system. Norepinephrine affects different types of IGL neurons, exerting multiple effects on them. This is the first study to confirm the effects of norepinephrine on the activity of the IGL network.
Article
Biology
Oliver Siehler, Shuo Wang, Guy Bloch
Summary: Many animals benefit from synchronizing their daily activities with conspecifics, but the level of sociality does not necessarily correlate with social entrainment of circadian rhythms. Social cues can override light-dark cycles to entrain circadian clocks in honeybees, revealing remarkable sensitivity to social time-giving cues. Bees with weak oscillators can still be socially synchronized to a common phase of activity.
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2021)
Article
Psychology, Biological
Araceli Vazquez, Andres Hernandez-Oliveras, Juan Santiago-Garcia, Mario Caba, Francisco Gonzalez-Lima, Diana Olivo, Aleph A. Corona-Morales
PHYSIOLOGY & BEHAVIOR
(2020)
Article
Entomology
Eva Aceves-Aparicio, Diana Perez-Staples, Jose Arredondo, Aleph Corona-Morales, Jorge Morales-Mavil, Francisco Diaz-Fleischer
Summary: The study suggests that accelerating sexual maturation in flies with methoprene significantly reduces survival in both sexes of two different fly strains. However, adding metformin to the diet buffers this negative effect without reducing mating propensity compared to males treated only with methoprene. The response to metformin is sex-specific, with females responding better to high doses of the substance and males responding better to low doses.
JOURNAL OF ECONOMIC ENTOMOLOGY
(2021)
Article
Geriatrics & Gerontology
Courtney M. O'Donnell, Douglas W. Barrett, Latham H. Fink, Erica C. Garcia-Pittman, Francisco Gonzalez-Lima
Summary: This study is the first to investigate the effects of TILS on cognition in older euthymic bipolar patients, showing potential improvements in cognitive flexibility and impulsivity with TILS treatment.
JOURNAL OF GERIATRIC PSYCHIATRY AND NEUROLOGY
(2022)
Review
Neurosciences
Mario Caba, Michael N. Lehman, Mario Daniel Caba-Flores
Summary: In newborn rabbits, daily nursing serves as the primary timing cue for entrainment, influencing metabolic and physiological parameters. Central brain structures are also entrained, with some rhythmic parameters persisting under fasting conditions.
FRONTIERS IN NEUROSCIENCE
(2021)
Review
Cell Biology
Fabrizio dos Santos Cardoso, F. Gonzalez-Lima, Sergio Gomes da Silva
Summary: Longevity is a great triumph of humanity, but it also brings challenges such as age-related cognitive decline and neurological diseases. Photobiomodulation (PBM) has shown promising effects in improving brain functions in aging populations, with studies demonstrating neuroprotective and neuromodulatory capacities in both animals and humans. More controlled studies are needed to further understand the mechanisms and benefits of PBM in older populations.
AGEING RESEARCH REVIEWS
(2021)
Article
Behavioral Sciences
Mauricio A. Nunez-Murrieta, Paula Noguez, Genaro A. Coria-Avila, Fabio Garcia-Garcia, Juan Santiago-Garcia, Victoria E. Bolado-Garcia, Aleph A. Corona-Morales
Summary: The study found that exposure to different environmental conditions during gestation can impact postpartum maternal behavior and the activity of brain regions related to social behavior, leading to differences in nurturing and defensive behavior in postpartum rats. This suggests that the environment has an influence on brain activity and behavior.
BEHAVIOURAL BRAIN RESEARCH
(2021)
Article
Multidisciplinary Sciences
Mario Caba, Enrique Meza, Carolina Escobar, Angeles Jimenez, Mario Daniel Caba-Flores, Maria Luisa Moreno-Cortes, Angel I. Melo
Summary: The study suggests that oxytocin and non-oxytocin cells in the supraoptic nucleus and medial paraventricular hypothalamic nucleus may act as recipients of the entraining signal from food intake, while cells in the posterior paraventricular nucleus may be involved in anticipatory changes in preparation for food presentation. Persistent activation of these cells could contribute to the neuronal network responsible for food entrainment.
SCIENTIFIC REPORTS
(2021)
Article
Behavioral Sciences
Sara Mejia-Chavez, Arturo Venebra-Munoz, Fabio Garcia-Garcia, Aleph Alejandro Corona-Morales, Arturo Enrique Orozco-Vargas
Summary: Maternal separation disrupts proper brain development and can lead to behavioral and cognitive abnormalities, reducing social motivation and interest. It also decreases the plasticity of several brain nuclei, laying a physiological basis for behavioral disorders associated with early life adversity.
FRONTIERS IN BEHAVIORAL NEUROSCIENCE
(2021)
Review
Pediatrics
Alberto Camacho-Morales, Mario Caba, Martin Garcia-Juarez, Mario Daniel Caba-Flores, Rubi Viveros-Contreras, Carmen Martinez-Valenzuela
Summary: The first 1,000 days of human life are a critical period where maternal nutrition plays a significant role in fetal development, and breastfeeding is essential for establishing a healthy microbial gut colonization and immune system in newborns.
FRONTIERS IN PEDIATRICS
(2021)
Editorial Material
Biochemistry & Molecular Biology
Carlos Olvera-Sandoval, Hector Enrique Fabela-Illescas, Eduardo Fernandez-Martinez, Maria Araceli Ortiz-Rodriguez, Raquel Carino-Cortes, Jose Alberto Ariza-Ortega, Juan Carlos Hernandez-Gonzalez, Diana Olivo, Carmen Valadez-Vega, Helen Belefant-Miller, Gabriel Betanzos-Cabrera
Summary: Pomegranate is a polyphenol-rich fruit that has various biological activities, including antioxidative, antimicrobial, anti-inflammatory, anticarcinogenic, cardioprotective, and antidiabetic effects. This review focuses on the hypoglycemic effect of pomegranate juice, highlighting its chemical composition and possible mechanisms of action. The results suggest that pomegranate juice can decrease oxidative stress damage, increase insulin-dependent glucose uptake, maintain beta-cell integrity, inhibit protein glycation, improve insulin sensitivity, and modulate various enzymes and receptors related to glucose metabolism.
Review
Agriculture, Dairy & Animal Science
Genaro A. Coria-Avila, Deissy Herrera-Covarrubias, Luis Garcia, Rebeca Toledo, Maria Elena Hernandez, Pedro Paredes-Ramos, Aleph A. Corona-Morales, Jorge Manzo
Summary: Maternal behavior involves various responses and processes in different species, mediating the willingness to nurse and protect the young. The expression and duration of maternal behavior differ among species. Neural activation in acceptance, social recognition, inhibition of rejection/fear, and increase in care motivation play a role in mediating maternal behavior. Natural stimuli such as hormones, mating, and previous experience can trigger maternal and paternal behavior. Olfactory pathways and the interconnections of brain structures mediate maternal behavior. Activation of hormones and neurotransmitters also play a role in maternal behavior.
Article
Neurosciences
Cesar Huerta, Enrique Meza, Mario Daniel Caba-Flores, Teresa Morales, Raul G. Paredes, Mario Caba
Summary: Rabbits demonstrate circadian nursing behavior, with does visiting their pups only once a day after giving birth. Prior to nursing, they exhibit increased activity and arousal that coincides with the scheduled nursing time. The brain regions involved with maternal behavior and milk secretion are synchronized accordingly. The activation of the amygdala and the bed nucleus of the stria terminalis, as well as the corticotropin cells in the hypothalamic paraventricular nucleus, occur only after nursing. However, the central amygdala is also activated before nursing, suggesting its involvement in the anticipatory motivational circuit of periodic nursing.
Review
Neurosciences
Tania Flores-Bazan, Gabriel Betanzos-Cabrera, Jose A. Guerrero-Solano, Jose Vicente Negrete-Diaz, Leon Jesus German-Ponciano, Diana Olivo-Ramirez
Summary: Anxiety is a mental disorder that requires psychotherapy and medication for control. Current pharmacological treatments often have adverse effects, so there is a need for natural compounds to alleviate anxiety. Pomegranate fruit has important health benefits, but its anxiolytic effect is not well-studied. This systematic review reveals that pomegranate and its phytochemicals have an anxiolytic-like effect, with mechanisms involving various pathways.
Article
Integrative & Complementary Medicine
Omar Lagunes-Merino, Juan Francisco Rodriguez-Landa, Mario Caba, Miguel Carro-Juarez, Francisco Garcia-Orduna, Margarita Saavedra-Velez, Abraham Puga-Olguin, Maria de Jesus Rovirosa-Hernandez
JOURNAL OF TRADITIONAL AND COMPLEMENTARY MEDICINE
(2020)
Article
Neurosciences
Xiaomei Lin, Tianyuyi Feng, Erheng Cui, Yunfei Li, Zhang Qin, Xiaohu Zhao
Summary: This study successfully established a rat model based on the genetic-environmental interaction, which exhibited phenotype characteristics similar to human AD in terms of cognitive function, brain microstructure, and immunohistochemistry. The genetic factor (APP mutation) and the environmental factor (acrolein exposure) accounted for 39.74% and 33.3% of the AD-like phenotypes in the model, respectively.
Article
Neurosciences
Gustavo Guimara Guerrero, Giovanna Bignoto Minhoto, Camilla dos Santos Tiburcio-Machado, Itza Amarisis Ribeiro Pinto, Claudio Antonio Federico, Marcia Carneiro Valera
Summary: The present study evaluated the influence of head and neck radiotherapy on the behavior and body weight gain in Wistar rats. The results demonstrated that different doses of radiation induced depressive behavior in the animals, and that the weight gain tended to be lower in the irradiated groups.
Article
Neurosciences
Ziwei Gao, Chao Lu, Yaping Zhu, Yuxin Liu, Yuesong Lin, Wenming Gao, Liyuan Tian, Lei Wu
Summary: This study reveals the underlying mechanisms of the rapid antidepressant effects of merazin hydrate (MH), which activates CaMKII to promote neuronal activities and proliferation in the hippocampus.
Article
Neurosciences
Kathleen E. Murray, Whitney A. Ratliff, Vedad Delic, Bruce A. Citron
Summary: Gulf War Illness (GWI) is a chronic disorder that affects approximately 30% of Veterans deployed to the Persian Gulf. This study found that exposure to toxicants during the Gulf War resulted in long-term changes in the morphology of dentate granule cells and that treatment with Nrf2 activator could improve neuronal health in the hippocampus.
Article
Neurosciences
Jing Li, Yan Zou, Xiangchuang Kong, Yangming Leng, Fan Yang, Guofeng Zhou, Bo Liu, Wenliang Fan
Summary: This study examines the functional connectivity changes in individuals with sudden sensorineural hearing loss (SSNHL) at the integrity, network, and edge levels. The findings reveal reduced intranetwork connectivity strength and increased internetwork connectivity in SSNHL patients. These alterations are associated with the duration of SSNHL and Tinnitus Handicap Inventory scores. The study provides crucial insights into the neural mechanisms of SSNHL and the brain's network-level responses to sensory loss.
Review
Neurosciences
Didier Majou, Anne-Lise Dermenghem
Summary: In the early stages of SAD, memory impairment is strongly correlated with cortical levels of soluble amyloid-beta peptide oligomers. A beta disrupts glutamatergic synaptic function and leads to cognitive deficits. This article describes the pathogenic mechanisms underlying cerebral amyloidosis, involving amyloid precursor protein synthesis, A beta residue clearance processes, and the role of specific molecules.
Article
Neurosciences
Jing Li, Yi Shan, Xiaojing Zhao, Guixiang Shan, Peng-Hu Wei, Lin Liu, Changming Wang, Hang Wu, Weiqun Song, Yi Tang, Guo-Guang Zhao, Jie Lu
Summary: This study investigates changes in brain anatomical structures and functional network connectivity after chronic complete thoracic spinal cord injury (cctSCI) and their impact on clinical outcomes. The findings reveal alterations in gray matter volume and functional connectivity in specific brain regions, indicating potential therapeutic targets and methods for tracking treatment outcomes.
Article
Neurosciences
Anllely Fernandez, Katherine Corvalan, Octavia Santis, Maxs Mendez-Ruette, Ariel Caviedes, Matias Pizarro, Maria -Teresa Gomez, Luis Federico Batiz, Peter Landgraf, Thilo Kahne, Alejandro Rojas-Fernandez, Ursula Wyneken
Summary: This study reveals the importance of SUMOylation in modulating the protein cargo of astrocyte-derived small extracellular vesicles (sEVs) and its potential impact on neurons.
Article
Neurosciences
Anika Luettig, Stefanie Perl, Maria Zetsche, Franziska Richter, Denise Franz, Marco Heerdegen, Ruediger Koehling, Angelika Richter
Summary: This study found that changes in c-Fos activity during short-term stimulation of the entopeduncular nucleus (EPN) are associated with improvement in dystonia, and also discovered that the cerebellum may be involved in the antidystonic effects.
Article
Neurosciences
Yanlin Tao, Wei Shen, Houyuan Zhou, Zikang Li, Ting Pi, Hui Wu, Hailian Shi, Fei Huang, Xiaojun Wu
Summary: Depression has a higher incidence in women compared to men, and this study investigated the impact of sex on depressive behaviors and underlying mechanisms using a corticosterone-induced depression model in mice. The results showed sex-specific anxiety and depression behaviors in the model group, as well as differences in protein expression and neurotransmitter levels between male and female mice. These findings enhance our understanding of sex-specific differences in depression and support tailored interventions.
Review
Neurosciences
Dnyandev G. Gadhave, Vrashabh V. Sugandhi, Chandrakant R. Kokare
Summary: This article discusses the characteristics and importance of the tight junctions of endothelial cells in the CNS, which act as a biological barrier known as the blood-brain barrier (BBB). It focuses on overcoming the challenges of delivering therapeutic agents to the brain in neurodegenerative disorders, particularly multiple sclerosis, through the use of biomaterials. The article also highlights the current limitations of animal models for studying multiple sclerosis and suggests a potential future research direction.
Article
Neurosciences
Li-Min Mao, Khyathi Thallapureddy, John Q. Wang
Summary: Propofol can enhance synapsin phosphorylation and modulate synaptic transmission in the mouse brain. The study reveals the potential role of synapsin as a substrate of propofol and its effects on neurotransmitter release machinery.
Article
Neurosciences
Syed Maaz Ahmed Rizvi, Abdul Baseer Buriro, Irfan Ahmed, Abdul Aziz Memon
Summary: This study explores the effects of prolonged mask usage on the human brain by analyzing EEG and physiological parameters. The results show that the mean EEG spectral power in alpha, beta, and gamma sub-bands of individuals wearing masks is smaller than those without masks. The performances on cognitive tasks and oxygen saturation level differ between the two groups, while blood pressure, body temperature, and heart rate are similar. The analysis also reveals that the occipital and frontal lobes exhibit the greatest variability in channel measurements.
Article
Neurosciences
Rui-Fang Ma, Lu-Lu Xue, Jin-Xiang Liu, Li Chen, Liu-Lin Xiong, Ting-Hua Wang, Fei Liu
Summary: This study observed changes in brain infarction and blood vessels in rats during neonatal hypoxic ischemic encephalopathy (NHIE) modeling using Transcranial Doppler Ultrasonography (TCD). Longer duration of hypoxia was associated with more severe nerve damage. TCD can dynamically monitor cerebral infarction after NHIE modeling, which may serve as a useful auxiliary method for evaluating animal experimental models.
Article
Neurosciences
Yuxiang Dai, Chen Yu, Lu Zhou, Longyang Cheng, Hongbin Ni, Weibang Liang
Summary: Overexpression of CXCR4 in glioma is correlated with patient survival, and its inhibition can reduce invasion and migration of glioma cells. Inhibiting Nur77 also decreases cancer progression associated with CXCR4.