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Kozlova T, Rudnitskaya E, Burnyasheva A, Stefanova N, Peunov D, Kolosova N. Delayed Formation of Neonatal Reflexes and of Locomotor Skills Is Associated with Poor Maternal Behavior in OXYS Rats Prone to Alzheimer's Disease-like Pathology. Biomedicines 2022; 10:biomedicines10112910. [PMID: 36428477 PMCID: PMC9687320 DOI: 10.3390/biomedicines10112910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 11/04/2022] [Accepted: 11/10/2022] [Indexed: 11/16/2022] Open
Abstract
Postnatal brain development is characterized by high plasticity with critical windows of opportunity where any intervention may positively or adversely influence postnatal growth and lead to long-lasting consequences later in life. Poor maternal care is among these interventions. Here, we found that senescence-accelerated OXYS rats prone to an Alzheimer's disease-like pathology are characterized by more passive maternal behavior and insufficient care for pups as compared to control (Wistar) rats. OXYS pups demonstrated a delay in physical development (of auricle detachment, of emergence of pelage and incisors, of eye opening, and of vaginal opening in females) and late manifestation of reflexes and locomotor skills. All observed behavioral abnormalities are connected either with poor coordination of limbs' movements or with a decrease in motivation and development of depression-like behavior. It is possible that their manifestations can be promoted by the features of maternal behavior of OXYS rats. Overall, these early-life events may have long-lasting consequences and contribute to neurodegeneration and development of the Alzheimer's disease-like pathology later in life.
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Affiliation(s)
- Tatiana Kozlova
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (ICG SB RAS), 10 Akad. Lavrentyeva Ave., 630090 Novosibirsk, Russia
| | - Ekaterina Rudnitskaya
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (ICG SB RAS), 10 Akad. Lavrentyeva Ave., 630090 Novosibirsk, Russia
- Correspondence:
| | - Alena Burnyasheva
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (ICG SB RAS), 10 Akad. Lavrentyeva Ave., 630090 Novosibirsk, Russia
| | - Natalia Stefanova
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (ICG SB RAS), 10 Akad. Lavrentyeva Ave., 630090 Novosibirsk, Russia
| | - Daniil Peunov
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (ICG SB RAS), 10 Akad. Lavrentyeva Ave., 630090 Novosibirsk, Russia
- Faculty of Natural Sciences, Novosibirsk State University, 2 Pirogova Str., 630090 Novosibirsk, Russia
| | - Nataliya Kolosova
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (ICG SB RAS), 10 Akad. Lavrentyeva Ave., 630090 Novosibirsk, Russia
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Liu ZT, Ma YT, Pan ST, Xie K, Shen W, Lin SY, Gao JY, Li WY, Li GY, Wang QW, Li LP. Effects of involuntary treadmill running in combination with swimming on adult neurogenesis in an Alzheimer's mouse model. Neurochem Int 2022; 155:105309. [PMID: 35276288 DOI: 10.1016/j.neuint.2022.105309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 01/24/2022] [Accepted: 02/15/2022] [Indexed: 10/18/2022]
Abstract
Physical exercise plays a role on the prevention and treatment of Alzheimer's disease (AD), but the exercise mode and the mechanism for these positive effects is still ambiguous. Here, we investigated the effect of an aerobic interval exercise, running in combination with swimming, on behavioral dysfunction and associated adult neurogenesis in a mouse model of AD. We demonstrate that 4 weeks of the exercise could ameliorate Aβ42 oligomer-induced cognitive impairment in mice utilizing Morris water maze tests. Additionally, the exercised Aβ42 oligomer-induced mice exhibited a significant reduction of anxiety- and depression-like behaviors compared to the sedentary Aβ42 oligomer-induced mice utilizing an Elevated zero maze and a Tail suspension test. Moreover, by utilizing 5'-bromodeoxyuridine (BrdU) as an exogenous cell tracer, we found that the exercised Aβ42 oligomer-induced mice displayed a significant increase in newborn cells (BrdU+ cells), which differentiated into a majority of neurons (BrdU+ DCX+ cells or BrdU+NeuN+ cells) and a few of astrocytes (BrdU+GFAP+ cells). Likewise, the exercised Aβ42 oligomer-induced mice also displayed the higher levels of NeuN, PSD95, synaptophysin, Bcl-2 and lower level of GFAP protein. Furthermore, alteration of serum metabolites in transgenic AD mice between the exercised and sedentary group were significantly associated with lipid metabolism, amino acid metabolism, and neurotransmitters. These findings suggest that combined aerobic interval exercise-mediated metabolites and proteins contributed to improving adult neurogenesis and behavioral performance after AD pathology, which might provide a promising therapeutic strategy for AD.
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Affiliation(s)
- Zhi-Tao Liu
- Department of Physiology and Pharmacology, Ningbo University School of Medicine, Ningbo, Zhejiang, 315211, PR China; Rehabilitative Department, The Affiliated Hospital of Medical School, Ningbo University, Ningbo, Zhejiang, 315211, PR China; Faculty of Sports Science, Ningbo University, Ningbo, 315211, China
| | - Yu-Tao Ma
- Department of Physiology and Pharmacology, Ningbo University School of Medicine, Ningbo, Zhejiang, 315211, PR China; Ningbo Key Laboratory of Behavioral Neuroscience, Ningbo University School of Medicine, Ningbo, Zhejiang, 315211, PR China
| | - Shao-Tao Pan
- Department of Physiology and Pharmacology, Ningbo University School of Medicine, Ningbo, Zhejiang, 315211, PR China; Ningbo Key Laboratory of Behavioral Neuroscience, Ningbo University School of Medicine, Ningbo, Zhejiang, 315211, PR China
| | - Kai Xie
- Rehabilitative Department, The Affiliated Hospital of Medical School, Ningbo University, Ningbo, Zhejiang, 315211, PR China
| | - Wei Shen
- Rehabilitative Department, The Affiliated Hospital of Medical School, Ningbo University, Ningbo, Zhejiang, 315211, PR China
| | - Su-Yang Lin
- Department of Physiology and Pharmacology, Ningbo University School of Medicine, Ningbo, Zhejiang, 315211, PR China; Ningbo Key Laboratory of Behavioral Neuroscience, Ningbo University School of Medicine, Ningbo, Zhejiang, 315211, PR China
| | - Jun-Yan Gao
- Department of Physiology and Pharmacology, Ningbo University School of Medicine, Ningbo, Zhejiang, 315211, PR China; Ningbo Key Laboratory of Behavioral Neuroscience, Ningbo University School of Medicine, Ningbo, Zhejiang, 315211, PR China
| | - Wan-Yi Li
- Faculty of Sports Science, Ningbo University, Ningbo, 315211, China
| | - Guang-Yu Li
- Faculty of Sports Science, Ningbo University, Ningbo, 315211, China
| | - Qin-Wen Wang
- Department of Physiology and Pharmacology, Ningbo University School of Medicine, Ningbo, Zhejiang, 315211, PR China; Ningbo Key Laboratory of Behavioral Neuroscience, Ningbo University School of Medicine, Ningbo, Zhejiang, 315211, PR China.
| | - Li-Ping Li
- Department of Physiology and Pharmacology, Ningbo University School of Medicine, Ningbo, Zhejiang, 315211, PR China; Rehabilitative Department, The Affiliated Hospital of Medical School, Ningbo University, Ningbo, Zhejiang, 315211, PR China; Key Laboratory of Addiction Research of Zhejiang Province, Ningbo, Zhejiang, 315010, PR China.
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The Role of CaMKII and ERK Signaling in Addiction. Int J Mol Sci 2021; 22:ijms22063189. [PMID: 33804804 PMCID: PMC8004038 DOI: 10.3390/ijms22063189] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 03/17/2021] [Accepted: 03/19/2021] [Indexed: 12/12/2022] Open
Abstract
Nicotine is the predominant addictive compound of tobacco and causes the acquisition of dependence through its interactions with nicotinic acetylcholine receptors and various neurotransmitter releases in the central nervous system. The Ca2+/calmodulin-dependent protein kinase II (CaMKII) and extracellular signal-regulated kinase (ERK) play a pivotal role in synaptic plasticity in the hippocampus. CaMKII is involved in long-term potentiation induction, which underlies the consolidation of learning and memory; however, the roles of CaMKII in nicotine and other psychostimulant-induced addiction still require further investigation. This article reviews the molecular mechanisms and crucial roles of CaMKII and ERK in nicotine and other stimulant drug-induced addiction. We also discuss dopamine (DA) receptor signaling involved in nicotine-induced addiction in the brain reward circuitry. In the last section, we introduce the association of polyunsaturated fatty acids and cellular chaperones of fatty acid-binding protein 3 in the context of nicotine-induced addiction in the mouse nucleus accumbens and provide a novel target for the treatment of drug abuse affecting dopaminergic systems.
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Jia W, Wilar G, Kawahata I, Cheng A, Fukunaga K. Impaired Acquisition of Nicotine-Induced Conditioned Place Preference in Fatty Acid-Binding Protein 3 Null Mice. Mol Neurobiol 2021; 58:2030-2045. [PMID: 33411237 DOI: 10.1007/s12035-020-02228-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 11/24/2020] [Indexed: 10/22/2022]
Abstract
Nicotine causes psychological dependence through its interactions with nicotinic acetylcholine receptors in the brain. We previously demonstrated that fatty acid-binding protein 3 (FABP3) colocalizes with dopamine D2 receptors (D2Rs) in the dorsal striatum, and FABP3 deficiency leads to impaired D2R function. Moreover, D2R null mice do not exhibit increased nicotine-induced conditioned place preference (CPP) following chronic nicotine administration. To investigate the role of FABP3 in nicotine-induced CPP, FABP3 knockout (FABP3-/-) mice were evaluated using a CPP apparatus following consecutive nicotine administration (0.5 mg/kg) for 14 days. Importantly, nicotine-induced CPP was suppressed in the conditioning, withdrawal, and relapse phases in FABP3-/- mice. To resolve the mechanisms underlying impaired nicotine-induced CPP in these mice, we assessed c-Fos expression and Ca2+/calmodulin-dependent protein kinase II (CaMKII) and extracellular signal-regulated kinase (ERK) signaling in both dopamine D1 receptor (D1R)- and D2R-positive neurons in the nucleus accumbens (NAc). Notably, 64% of dopamine receptor-positive neurons in the mouse NAc expressed both D1R and D2R. Impaired nicotine-induced CPP was correlated with lack of responsiveness of both CaMKII and ERK phosphorylation. The number of D2R-positive neurons was increased in FABP3-/- mice, while the number of D1R-positive neurons and the responsiveness of c-Fos expression to nicotine were decreased. The aberrant c-Fos expression was closely correlated with CaMKII but not ERK phosphorylation levels in the NAc of FABP3-/- mice. Taken together, these results indicate that impaired D2R signaling due to lack of FABP3 may affect D1R and c-Fos signaling and underlie nicotine-induced CPP behaviors.
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Affiliation(s)
- Wenbin Jia
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aramaki-Aoba, Aoba-ku, Sendai, 980-0845, Japan
| | - Gofarana Wilar
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aramaki-Aoba, Aoba-ku, Sendai, 980-0845, Japan.,Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, Universitas Padjadjaran, JL. Raya Bandung-Sumedang KM 20.5 Jatinangor, Sumedang, Jawa Barat, 45363, Indonesia
| | - Ichiro Kawahata
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aramaki-Aoba, Aoba-ku, Sendai, 980-0845, Japan
| | - An Cheng
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aramaki-Aoba, Aoba-ku, Sendai, 980-0845, Japan
| | - Kohji Fukunaga
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aramaki-Aoba, Aoba-ku, Sendai, 980-0845, Japan. .,, Sendai, Japan.
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Fatty Acid Binding Protein 3 Enhances the Spreading and Toxicity of α-Synuclein in Mouse Brain. Int J Mol Sci 2020; 21:ijms21062230. [PMID: 32210174 PMCID: PMC7139546 DOI: 10.3390/ijms21062230] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 03/07/2020] [Accepted: 03/17/2020] [Indexed: 01/08/2023] Open
Abstract
Oligomerization and/or aggregation of α-synuclein (α-Syn) triggers α-synucleinopathies such as Parkinson’s disease and dementia with Lewy bodies. It is known that α-Syn can spread in the brain like prions; however, the mechanism remains unclear. We demonstrated that fatty acid binding protein 3 (FABP3) promotes propagation of α-Syn in mouse brain. Animals were injected with mouse or human α-Syn pre-formed fibrils (PFF) into the bilateral substantia nigra pars compacta (SNpc). Two weeks after injection of mouse α-Syn PFF, wild-type (WT) mice exhibited motor and cognitive deficits, whereas FABP3 knock-out (Fabp3−/−) mice did not. The number of phosphorylated α-Syn (Ser-129)-positive cells was significantly decreased in Fabp3−/− mouse brain compared to that in WT mice. The SNpc was unilaterally infected with AAV-GFP/FABP3 in Fabp3−/− mice to confirm the involvement of FABP3 in the development of α-Syn PFF toxicity. The number of tyrosine hydroxylase (TH)- and phosphorylated α-Syn (Ser-129)-positive cells following α-Syn PFF injection significantly decreased in Fabp3−/− mice and markedly increased by AAV-GFP/FABP3 infection. Finally, we confirmed that the novel FABP3 inhibitor MF1 significantly antagonized motor and cognitive impairments by preventing α-Syn spreading following α-Syn PFF injection. Overall, FABP3 enhances α-Syn spreading in the brain following α-Syn PFF injection, and the FABP3 ligand MF1 represents an attractive therapeutic candidate for α-synucleinopathy.
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Haga H, Yamada R, Izumi H, Shinoda Y, Kawahata I, Miyachi H, Fukunaga K. Novel fatty acid-binding protein 3 ligand inhibits dopaminergic neuronal death and improves motor and cognitive impairments in Parkinson's disease model mice. Pharmacol Biochem Behav 2020; 191:172891. [PMID: 32126223 DOI: 10.1016/j.pbb.2020.172891] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 02/22/2020] [Accepted: 02/28/2020] [Indexed: 11/19/2022]
Abstract
The main symptom of Parkinson's disease (PD) is motor dysfunction and remarkably approximately 30-40% of PD patients exhibit cognitive impairments. Recently, we have developed MF8, a heart-type fatty acid-binding protein (FABP3)-specific ligand, which can inhibit α-synuclein (α-syn) oligomerization induced by arachidonic acid in FABP3 overexpressing neuro2A cells. The present study aimed to determine whether MF8 attenuates dopaminergic neuronal death and motor and cognitive impairments in 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced PD mice model. MF8 can penetrate the blood-brain barrier and its peak brain concentration (21.5 ± 2.1 nM) was achieved 6 h after the oral administration (1.0 mg/kg). We also compared its effects and pharmacological action with those of L-DOPA (3,4-dihydroxy-l-phenylalanine). PD model mice were developed by administering MPTP (25 mg/kg, i.p.) once a day for five consecutive days. Twenty-four hours after the final MPTP injection, mice were administered MF8 (0.3, 1.0 mg/kg, p.o.) or L-DOPA (25 mg/kg, i.p.) once a day for 28 consecutive days and subjected to behavioral and histochemical studies. MF8 (1.0 mg/kg, p.o.), but not L-DOPA, inhibited the dopaminergic neuronal death in the ventral tegmental area and the substantia nigra pars compacta region of the MPTP-treated mice. MF8 also improved both, motor and cognitive functions, while L-DOPA ameliorated only motor dysfunction. Taken together, our results showed that MF8 attenuated the MPTP-induced dopaminergic neuronal death associated with PD pathology. We present MF8 as a novel disease-modifying therapeutic molecule for PD, which acts via a mechanism different from that of L-DOPA.
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Affiliation(s)
- Hidaka Haga
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Japan
| | - Ryo Yamada
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Japan
| | - Hisanao Izumi
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Japan
| | - Yasuharu Shinoda
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Japan
| | - Ichiro Kawahata
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Japan
| | - Hiroyuki Miyachi
- Lead Exploration Unit, Drug Discovery Initiative, The University of Tokyo, Tokyo, Japan
| | - Kohji Fukunaga
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Japan.
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Senbokuya N, Yoshioka H, Yagi T, Owada Y, Kinouchi H. Effects of FABP7 on functional recovery after spinal cord injury in adult mice. J Neurosurg Spine 2019; 31:291-297. [PMID: 31051461 DOI: 10.3171/2019.2.spine18844] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Accepted: 02/13/2019] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Elucidating the mechanisms of neuronal injury is crucial for the development of spinal cord injury (SCI) treatments. Brain-type fatty acid-binding protein 7 (FABP7) is expressed in the adult rodent brain, especially in astrocytes, and has been reported to play a role in astrocyte function in various types of brain damage; however, its role after SCI has not been well studied. In this study, the authors evaluated the expression change of FABP7 after SCI using a mouse spinal cord compression model and observed the effect of FABP7 gene knockout on neuronal damage and functional recovery after SCI. METHODS Female FABP7 knockout (KO) mice with a C57BL/6 background and their respective wild-type littermates were subjected to SCI with a vascular clip. The expression of FABP7, neuronal injury, and functional recovery after SCI were analyzed in both groups of mice. RESULTS Western blot analysis revealed upregulation of FABP7 in the wild-type mice, which reached its peak 14 days after SCI, with a significant difference in comparison to the control mice. Immunohistochemistry also showed upregulation of FABP7 at the same time points, mainly in proliferative astrocytes. The number of surviving ventral neurons in the FABP7-KO mice at 28 days after SCI was significantly lower than that observed in the wild-type mice. In addition, motor functional recovery in the FABP7-KO mice was significantly worse than that of the wild-type mice. CONCLUSIONS The findings of this study indicate that FABP7 could have a neuroprotective role that might be associated with modulation of astrocytes after SCI. FABP7 could potentially be a therapeutic target in the treatment of SCI.
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Affiliation(s)
- Nobuo Senbokuya
- 1Department of Neurosurgery, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Chuo, Yamanashi; and
| | - Hideyuki Yoshioka
- 1Department of Neurosurgery, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Chuo, Yamanashi; and
| | - Takashi Yagi
- 1Department of Neurosurgery, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Chuo, Yamanashi; and
| | - Yuji Owada
- 2Department of Organ Anatomy, Graduate School of Medicine, Tohoku University, Sendai, Miyagi, Japan
| | - Hiroyuki Kinouchi
- 1Department of Neurosurgery, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Chuo, Yamanashi; and
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Yabuki Y, Fukunaga K. Clinical Therapeutic Strategy and Neuronal Mechanism Underlying Post-Traumatic Stress Disorder (PTSD). Int J Mol Sci 2019; 20:ijms20153614. [PMID: 31344835 PMCID: PMC6695947 DOI: 10.3390/ijms20153614] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 07/19/2019] [Accepted: 07/19/2019] [Indexed: 12/15/2022] Open
Abstract
Post-traumatic stress disorder (PTSD) is characterized by an exaggerated response to contextual memory and impaired fear extinction, with or without mild cognitive impairment, learning deficits, and nightmares. PTSD is often developed by traumatic events, such as war, terrorist attack, natural calamities, etc. Clinical and animal studies suggest that aberrant susceptibility of emotion- and fear-related neurocircuits, including the amygdala, prefrontal cortex (PFC), and hippocampus may contribute to the development and retention of PTSD symptoms. Psychological and pharmacological therapy, such as cognitive behavioral therapy (CBT), and treatment with anti-depressive agents and/or antipsychotics significantly attenuate PTSD symptoms. However, more effective therapeutics are required for improvement of quality of life in PTSD patients. Previous studies have reported that ω3 long-chain polyunsaturated fatty acid (LCPUFA) supplements can suppress the development of PTSD symptoms. Fatty acid binding proteins (FABPs) are essential for LCPUFA intracellular trafficking. In this review, we have introduced Fabp3 null mice as an animal model of PTSD with impaired fear extinction. Moreover, we have addressed the neuronal circuits and novel therapeutic strategies for PTSD symptoms.
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Affiliation(s)
- Yasushi Yabuki
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai 980-8578, Japan
| | - Kohji Fukunaga
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai 980-8578, Japan.
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Yanagisawa R, Koike E, Win-Shwe TT, Ichinose T, Takano H. Effects of lactational exposure to low-dose BaP on allergic and non-allergic immune responses in mice offspring. J Immunotoxicol 2018; 15:31-40. [PMID: 29482396 DOI: 10.1080/1547691x.2018.1442379] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
Abstract
Benzo[a]pyrene (BaP) can induce developmental and reproductive toxicity; however, the full scope of its immunotoxic effects remains unknown. This study aimed to assess effects of lactational exposure to low-dose BaP (comparable to human exposure) on potential allergic\non-allergic immune responses in murine offspring. Lactating C3H/HeJ dams were orally dosed with BaP at 0, 0.25, 5.0, or 100 pmol/animal/week) at post-natal days [PND] 1, 8, and 15. Five-weeks-old pups then received intratracheally ovalbumin (OVA) every 2 weeks for 6 weeks. Following the final exposure, mice were processed to permit analyses of bronchoalveolar lavage (BAL) fluid cell profiles as well as levels of lung inflammatory cytokines and chemokines, serum OVA-specific immunoglobulin, and mediastinal lymph node (MLN) cell activation/proliferation. In OVA-sensitized male offspring, lactational low-dose BaP exposure led to enhanced (albeit not significantly) macrophage, neutrophil, and eosinophil infiltration to, and increased T-helper (TH)-2 cytokine production in, the lungs. In females, BaP exposure, regardless of dose, led to slightly enhanced lung levels of macrophages and eosinophils, and of inflammatory molecules. Protein levels of interleukin (IL)-33 in the OVA + BaP (middle dose) group, and interferon (IFN)-γ in the OVA + BaP (low dose) group, were higher than that of the OVA (no BaP) group. Ex vivo studies showed lactational exposure to BaP partially induced activation of T-cells and antigen-presenting cells (APCs) in the MLN cells of both male and female offspring, with or without OVA sensitization. Further, IL-4 and IFNγ levels in MLN culture supernatants were elevated even without OVA-re-stimulation in OVA + BaP groups. In conclusion, lactational exposure to low-dose BaP appeared to exert slight effects on later allergic and non-allergic immune responses in offspring by facilitating development of modest TH2 responses and activating MLN cells. In addition, lactational exposures to BaP might give rise to gender differences in allergic/non-allergic immune responses of offspring.
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Affiliation(s)
- Rie Yanagisawa
- a Center for Health and Environmental Risk Research , National Institute for Environmental Studies , Tsukuba , Japan
| | - Eiko Koike
- a Center for Health and Environmental Risk Research , National Institute for Environmental Studies , Tsukuba , Japan
| | - Tin-Tin Win-Shwe
- a Center for Health and Environmental Risk Research , National Institute for Environmental Studies , Tsukuba , Japan
| | - Takamichi Ichinose
- b Department of Health Sciences , Oita University of Nursing and Health Sciences , Oita , Japan
| | - Hirohisa Takano
- c Graduate School of Engineering , Kyoto University , Kyoto , Japan
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Maternal diet of polyunsaturated fatty acid influence the physical and neurobehaviour of rat offspring. Int J Dev Neurosci 2018; 71:156-162. [DOI: 10.1016/j.ijdevneu.2018.09.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 08/30/2018] [Accepted: 09/10/2018] [Indexed: 11/21/2022] Open
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Giacomini A, Stagni F, Emili M, Guidi S, Salvalai ME, Grilli M, Vidal-Sanchez V, Martinez-Cué C, Bartesaghi R. Treatment with corn oil improves neurogenesis and cognitive performance in the Ts65Dn mouse model of Down syndrome. Brain Res Bull 2018; 140:378-391. [PMID: 29935232 DOI: 10.1016/j.brainresbull.2018.06.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 06/07/2018] [Accepted: 06/18/2018] [Indexed: 12/12/2022]
Abstract
Individuals with Down syndrome (DS), a genetic condition due to triplication of Chromosome 21, are characterized by intellectual disability that worsens with age. Since impairment of neurogenesis and dendritic maturation are very likely key determinants of intellectual disability in DS, interventions targeted to these defects may translate into a behavioral benefit. While most of the neurogenesis enhancers tested so far in DS mouse models may pose some caveats due to possible side effects, substances naturally present in the human diet may be regarded as therapeutic tools with a high translational impact. Linoleic acid and oleic acid are major constituents of corn oil that positively affect neurogenesis and neuron maturation. Based on these premises, the goal of the current study was to establish whether treatment with corn oil improves hippocampal neurogenesis and hippocampus-dependent memory in the Ts65Dn model of DS. Four-month-old Ts65Dn and euploid mice were treated with saline or corn oil for 30 days. Evaluation of behavior at the end of treatment showed that Ts65Dn mice treated with corn oil underwent a large improvement in hippocampus-dependent learning and memory. Evaluation of neurogenesis and dendritogenesis showed that in treated Ts65Dn mice the number of new granule cells of the hippocampal dentate gyrus and their dendritic pattern became similar to those of euploid mice. In addition, treated Ts65Dn mice underwent an increase in body and brain weight. This study shows for the first time that fatty acids have a positive impact on the brain of the Ts65Dn mouse model of DS. These results suggest that a diet that is rich in fatty acids may exert beneficial effects on cognitive performance in individuals with DS without causing adverse effects.
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Affiliation(s)
- Andrea Giacomini
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Fiorenza Stagni
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Marco Emili
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Sandra Guidi
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Maria Elisa Salvalai
- Department of Pharmaceutical Sciences, University of Piemonte Orientale, Novara, Italy
| | - Mariagrazia Grilli
- Department of Pharmaceutical Sciences, University of Piemonte Orientale, Novara, Italy
| | - Veronica Vidal-Sanchez
- Department of Physiology and Pharmacology, School of Medicine, University of Cantabria, Santander, Spain
| | - Carmen Martinez-Cué
- Department of Physiology and Pharmacology, School of Medicine, University of Cantabria, Santander, Spain
| | - Renata Bartesaghi
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy.
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Ghareghani M, Zibara K, Azari H, Hejr H, Sadri F, Jannesar R, Ghalamfarsa G, Delaviz H, Nouri E, Ghanbari A. Safflower Seed Oil, Containing Oleic Acid and Palmitic Acid, Enhances the Stemness of Cultured Embryonic Neural Stem Cells through Notch1 and Induces Neuronal Differentiation. Front Neurosci 2017; 11:446. [PMID: 28824367 PMCID: PMC5540893 DOI: 10.3389/fnins.2017.00446] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Accepted: 07/21/2017] [Indexed: 11/15/2022] Open
Abstract
Embryonic neural stem cells (eNSCs) could differentiate into neurons, astrocytes and oligodendrocytes. This study was aimed to determine the effect of safflower seed oil, which contains linoleic acid (LA), oleic acid (OA), and palmitic acid (PA), on cultured eNSC proliferation and differentiation, in comparison to linoleic acid alone. Results showed that safflower seed oil, but not LA, increased significantly the viability and proliferation of eNSCs. Moreover, treatment of NSCs by safflower seed oil, but not LA, resulted in a significant increase in mRNA levels of notch1, hes1, and Ki-67, and protein levels of notch intracellular domain (NICD), in comparison to controls, indicating an enhancement of stemness. Finally, safflower seed oil, but not LA, caused an increase in the number of oligodendrocytes (MBP+), astrocytes (GFAP+) and neurons (β-III tubulin+) of which only the increase in β-III tubulin positive cells was statistically significant. In summary, OA and PA, present in safflower seed oil may prove beneficial for the enhancement of eNSCs and their neuronal differentiation.
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Affiliation(s)
- Majid Ghareghani
- Cellular and Molecular Research Center, Faculty of Medicine, Yasuj University of Medical SciencesYasuj, Iran
| | - Kazem Zibara
- ER045, Laboratory of Stem Cells, DSST, Biology Department, Faculty of Sciences, Lebanese UniversityBeirut, Lebanon
| | - Hassan Azari
- Neural Stem Cell and Regenerative Neuroscience Laboratory, Department of Anatomical Sciences, Shiraz School of Medicine & Shiraz Stem Cell Institute, Shiraz University of Medical SciencesShiraz, Iran
| | - Hossein Hejr
- Cellular and Molecular Research Center, Faculty of Medicine, Yasuj University of Medical SciencesYasuj, Iran
| | - Farzad Sadri
- Department of Biology, Payame Noor University (PNU)Tehran, Iran
| | - Ramin Jannesar
- Department of Pathology, Faculty of Medicine, Yasuj University of Medical SciencesYasuj, Iran
| | - Ghasem Ghalamfarsa
- Cellular and Molecular Research Center, Faculty of Medicine, Yasuj University of Medical SciencesYasuj, Iran
| | - Hamdallah Delaviz
- Cellular and Molecular Research Center, Faculty of Medicine, Yasuj University of Medical SciencesYasuj, Iran
| | - Ebrahim Nouri
- Cellular and Molecular Research Center, Faculty of Medicine, Yasuj University of Medical SciencesYasuj, Iran
| | - Amir Ghanbari
- Cellular and Molecular Research Center, Faculty of Medicine, Yasuj University of Medical SciencesYasuj, Iran
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Yabuki Y, Takahata I, Matsuo K, Owada Y, Fukunaga K. Ramelteon Improves Post-traumatic Stress Disorder-Like Behaviors Exhibited by Fatty Acid-Binding Protein 3 Null Mice. Mol Neurobiol 2017; 55:3577-3591. [PMID: 28516430 DOI: 10.1007/s12035-017-0587-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Accepted: 04/28/2017] [Indexed: 12/14/2022]
Abstract
We previously reported that fatty acid-binding protein 3 (FABP3) knockout (Fabp3 -/-) mice exhibit abnormal dopamine-related behaviors such as enhanced dopamine D2 receptor antagonist-induced catalepsy behaviors. Here, we report that Fabp3 null mice exhibit cognitive deficits, hyperlocomotion and impaired fear extinction, and thus show post-traumatic stress disorder (PTSD)-like behaviors. Notably, chronic administration of ramelteon (1.0 mg/kg, p.o.), a melatonin receptor agonist, improved all PTSD-like behaviors tested in Fabp3 -/- mice. Relevant to mechanisms underlying impaired fear extinction, we observed significantly reduced levels of Ca2+/calmodulin-dependent protein kinase II (CaMKII) autophosphorylation without changes in ERK phosphorylation in the anterior cingulate cortex (ACC). Inversely, CaMKII autophosphorylation increased in the basolateral amygdala (BLA) but remained relatively unchanged in hippocampus of Fabp3 -/- mice. Likewise, the number of c-Fos-positive neurons in BLA significantly increased after exposure to contextual fear conditions but remained unchanged in the central nucleus of the amygdala (CeA). Importantly, chronic ramelteon administration (1.0 mg/kg, p.o.) restored abnormal c-Fos expression and CaMKII autophosphorylation in the ACC and BLA of Fabp3 -/- mice. Finally, the melatonin receptor antagonist luzindole (2.5 mg/kg, i.p.) blocked ramelteon-dependent improvements. Taken together, Fabp3 -/- mice show PTSD-like behaviors, and ramelteon is a likely attractive candidate for PTSD therapy.
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Affiliation(s)
- Yasushi Yabuki
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Tohoku University, Aramaki-Aoba Aoba-ku, Sendai, 980-8578, Japan
| | - Ibuki Takahata
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Tohoku University, Aramaki-Aoba Aoba-ku, Sendai, 980-8578, Japan
| | - Kazuya Matsuo
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Tohoku University, Aramaki-Aoba Aoba-ku, Sendai, 980-8578, Japan
| | - Yuji Owada
- Department of Organ Anatomy, Graduate School of Medicine, Tohoku University, Sendai, Japan
| | - Kohji Fukunaga
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Tohoku University, Aramaki-Aoba Aoba-ku, Sendai, 980-8578, Japan.
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Polyunsaturated fatty acids and suicide risk in mood disorders: A systematic review. Prog Neuropsychopharmacol Biol Psychiatry 2017; 74:43-56. [PMID: 27940200 DOI: 10.1016/j.pnpbp.2016.11.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Revised: 11/16/2016] [Accepted: 11/29/2016] [Indexed: 11/21/2022]
Abstract
Deficiency of omega-3 polyunsaturated fatty acids (PUFAs) and an alteration between the ratio of omega-3 and omega-6 PUFAs may contribute to the pathogenesis of bipolar disorder and unipolar depression. Recent epidemiological studies have also demonstrated an association between the depletion of PUFAs and suicide. Our aim was to investigate the relationship between PUFAs and suicide; assess whether the depletion of PUFAs may be considered a risk factor for suicidal behavior; in addition to detailing the potential use of PUFAs in clinical practice. We performed a systematic review on PUFAs and suicide in mood disorders, searching MedLine, Excerpta Medica, PsycLit, PsycInfo, and Index Medicus for relevant epidemiological, post-mortem, and clinical studies from January 1997 to September 2016. A total of 20 articles from peer-reviewed journals were identified and selected for this review. The reviewed studies suggest that subjects with psychiatric conditions have a depletion of omega-3 PUFAs compared to control groups. This fatty acid depletion has also been found to contribute to suicidal thoughts and behavior in some cases. However, large epidemiological studies have generally not supported this finding, as the depletion of omega-3 PUFAs was not statistically different between controls and patients diagnosed with a mental illness and/or who engaged in suicidal behavior. Increasing PUFA intake may be relevant in the treatment of depression, however in respect to the prevention of suicide, the data is currently not supportive of this approach. Changes in levels of PUFAs may however be a risk factor to evaluate when assessing for suicide risk. Clinical studies should be conducted to prospectively assess whether prescriptive long-term use of PUFAs in PUFA-deficient people with depression, may have a preventative role in attenuating suicide.
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Lo Van A, Sakayori N, Hachem M, Belkouch M, Picq M, Lagarde M, Osumi N, Bernoud-Hubac N. Mechanisms of DHA transport to the brain and potential therapy to neurodegenerative diseases. Biochimie 2016; 130:163-167. [PMID: 27496085 DOI: 10.1016/j.biochi.2016.07.011] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Accepted: 07/21/2016] [Indexed: 12/25/2022]
Abstract
Docosahexaenoic acid (DHA; 22:6 ω-3) is highly enriched in the brain and is required for proper brain development and function. Its deficiency has been shown to be linked with the emergence of neurological diseases. Dietary ω-3 fatty acid supplements including DHA have been suggested to improve neuronal development and enhance cognitive functions. However, mechanisms of DHA incorporation in the brain remain to be fully understood. Findings suggested that DHA is better incorporated when esterified within lysophospholipid rather than under its non-esterified form. Furthermore, DHA has the potential to be converted into diverse oxylipins with potential neuroprotective effects. Since DHA is poorly synthesized de novo, targeting the brain with specific carriers of DHA might provide novel therapeutic approaches to neurodegenerative diseases.
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Affiliation(s)
- Amanda Lo Van
- Univ Lyon, INSA-Lyon, Inserm UMR 1060, Inra UMR 1397, CarMeN Laboratory, IMBL, Villeurbanne F-69621, France; Tohoku University Grad. Sch. of Med., Center for Neuroscience, ART, Dept. of Developmental Neuroscience, Sendai, Japan
| | - Nobuyuki Sakayori
- Tohoku University Grad. Sch. of Med., Center for Neuroscience, ART, Dept. of Developmental Neuroscience, Sendai, Japan
| | - Mayssa Hachem
- Univ Lyon, INSA-Lyon, Inserm UMR 1060, Inra UMR 1397, CarMeN Laboratory, IMBL, Villeurbanne F-69621, France
| | - Mounir Belkouch
- Univ Lyon, INSA-Lyon, Inserm UMR 1060, Inra UMR 1397, CarMeN Laboratory, IMBL, Villeurbanne F-69621, France
| | - Madeleine Picq
- Univ Lyon, INSA-Lyon, Inserm UMR 1060, Inra UMR 1397, CarMeN Laboratory, IMBL, Villeurbanne F-69621, France
| | - Michel Lagarde
- Univ Lyon, INSA-Lyon, Inserm UMR 1060, Inra UMR 1397, CarMeN Laboratory, IMBL, Villeurbanne F-69621, France
| | - Noriko Osumi
- Tohoku University Grad. Sch. of Med., Center for Neuroscience, ART, Dept. of Developmental Neuroscience, Sendai, Japan
| | - Nathalie Bernoud-Hubac
- Univ Lyon, INSA-Lyon, Inserm UMR 1060, Inra UMR 1397, CarMeN Laboratory, IMBL, Villeurbanne F-69621, France.
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Santos-Monteiro J, Teodósio N, Guedes R. Long-lasting Effects of Early Environmental Stimulation on Cortical Spreading Depression in Normal and Early Malnourished Adult Rats. Nutr Neurosci 2016; 3:29-40. [DOI: 10.1080/1028415x.2000.11747301] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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17
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Sánchez-Iglesias S, Unruh-Pinheiro A, Guillín-Amarelle C, González-Méndez B, Ruiz-Riquelme A, Rodríguez-Cañete BL, Rodríguez-García S, Guillén-Navarro E, Domingo-Jiménez R, Araújo-Vilar D. Skipped BSCL2 Transcript in Celia's Encephalopathy (PELD): New Insights on Fatty Acids Involvement, Senescence and Adipogenesis. PLoS One 2016; 11:e0158874. [PMID: 27391332 PMCID: PMC4938205 DOI: 10.1371/journal.pone.0158874] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Accepted: 06/23/2016] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE PELD (Progressive Encephalopathy with or without Lipodystrophy or Celia's Encephalopathy) is a fatal and rare neurodegenerative syndrome associated with the BSCL2 mutation c.985C>T, that results in an aberrant transcript without the exon 7 (Celia seipin). The aim of this study was to evaluate both the process of cellular senescence and the effect of unsaturated fatty acids on preadipocytes from a homozygous c.985C>T patient. Also, the role of aberrant seipin isoform on adipogenesis was studied in adipose-derived human mesenchymal stem cells. MATERIAL AND METHODS Cellular senescence was evaluated using β-galactosidase staining of preadipocytes obtained from a homozygous c.985C>T patient. Moreover, these cells were cultured during 24 hours with Intralipid, a soybean oil-based commercial lipid emulsion. The expression of the different BSCL2 transcripts was measured by qPCR. Adipose-derived human mesenchymal stem cells were differentiated to a fat lineage using StemPRO adipogenesis kit, and the expression of BSCL2 transcripts and several adipogenesis-related genes was measured by qPCR. RESULTS the treatment of preadipocytes with unsaturated fatty acids significantly reduced the expression of the BSCL2 transcript without exon 7 by 34 to 63%. On the other hand, at least in preadipocytes, this mutation does not disturb cellular senescence rate. Finally, during adipocyte differentiation of adipose-derived human mesenchymal stem cells, the expression of adipogenic genes (PPARG, LPIN1, and LPL) increased significantly over 14 days, and noteworthy is that the BSCL2 transcript without exon 7 was differentially expressed by 332 to 723% when compared to day 0, suggesting an underlying role in adipogenesis. CONCLUSIONS our results suggest that Celia seipin is probably playing an underestimated role in adipocyte maturation, but not in senescence, and its expression can be modified by exogenous factors as fatty acids.
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Affiliation(s)
- Sofía Sánchez-Iglesias
- Thyroid and Metabolic Diseases Unit (U.E.T.eM.), Department of Medicine, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS)-IDIS, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Alexander Unruh-Pinheiro
- Thyroid and Metabolic Diseases Unit (U.E.T.eM.), Department of Medicine, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS)-IDIS, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Cristina Guillín-Amarelle
- Thyroid and Metabolic Diseases Unit (U.E.T.eM.), Department of Medicine, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS)-IDIS, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Blanca González-Méndez
- Thyroid and Metabolic Diseases Unit (U.E.T.eM.), Department of Medicine, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS)-IDIS, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Alejandro Ruiz-Riquelme
- Thyroid and Metabolic Diseases Unit (U.E.T.eM.), Department of Medicine, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS)-IDIS, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Blanca Leticia Rodríguez-Cañete
- Thyroid and Metabolic Diseases Unit (U.E.T.eM.), Department of Medicine, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS)-IDIS, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Silvia Rodríguez-García
- Thyroid and Metabolic Diseases Unit (U.E.T.eM.), Department of Medicine, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS)-IDIS, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Encarnación Guillén-Navarro
- Unit of Medical Genetics and Dysmorphology, Division of Pediatrics, Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain
| | - Rosario Domingo-Jiménez
- Section of Neuropediatrics, Division of Pediatrics, Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain
| | - David Araújo-Vilar
- Thyroid and Metabolic Diseases Unit (U.E.T.eM.), Department of Medicine, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS)-IDIS, University of Santiago de Compostela, Santiago de Compostela, Spain
- * E-mail:
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19
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Lagarde M, Hachem M, Bernoud-Hubac N, Picq M, Véricel E, Guichardant M. Biological properties of a DHA-containing structured phospholipid (AceDoPC) to target the brain. Prostaglandins Leukot Essent Fatty Acids 2015; 92:63-5. [PMID: 24582148 DOI: 10.1016/j.plefa.2014.01.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2013] [Revised: 01/22/2014] [Accepted: 01/23/2014] [Indexed: 10/25/2022]
Abstract
1-acetyl,2-docosahexaenoyl-glycerophosphocholine (AceDoPC) has been made to prevent docosahexaenoyl (DHA) to move to the sn-1 position as it rapidly does when present in 1-lyso,2-docosahexaenoyl-GPC (lysoPC-DHA), an efficient DHA transporter to the brain. When incubated with human blood, AceDoPC behaves closer to lysoPC-DHA than PC-DHA in terms of binding to plasma albumin and lipoproteins, and DHA incorporation into platelets and red cells. In addition, AceDoPC prevents more efficiently the deleterious effects of the experimental stroke in rats than does unesterified DHA. Also, AceDoPC inhibits platelet-activating factor-induced human blood platelet aggregation. Overall, AceDoPC might act as an efficient DHA transporter to the brain, and as a neuro-protective agent by itself.
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Affiliation(s)
- M Lagarde
- Université de Lyon, Inserm UMR 1060 (CarMeN), IMBL/INSA-Lyon, Villeurbanne, France.
| | - M Hachem
- Université de Lyon, Inserm UMR 1060 (CarMeN), IMBL/INSA-Lyon, Villeurbanne, France
| | - N Bernoud-Hubac
- Université de Lyon, Inserm UMR 1060 (CarMeN), IMBL/INSA-Lyon, Villeurbanne, France
| | - M Picq
- Université de Lyon, Inserm UMR 1060 (CarMeN), IMBL/INSA-Lyon, Villeurbanne, France
| | - E Véricel
- Université de Lyon, Inserm UMR 1060 (CarMeN), IMBL/INSA-Lyon, Villeurbanne, France
| | - M Guichardant
- Université de Lyon, Inserm UMR 1060 (CarMeN), IMBL/INSA-Lyon, Villeurbanne, France
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Wu YT, Lee HY, Norton S, Prina AM, Fleming J, Matthews FE, Brayne C. Period, birth cohort and prevalence of dementia in mainland China, Hong Kong and Taiwan: a meta-analysis. Int J Geriatr Psychiatry 2014; 29:1212-20. [PMID: 24854229 PMCID: PMC4552972 DOI: 10.1002/gps.4148] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2013] [Revised: 03/12/2014] [Accepted: 04/25/2014] [Indexed: 01/15/2023]
Abstract
OBJECTIVE There have been dramatic societal changes in East Asia over the last hundred years. Several of the established risk factors could have important period and cohort effects. This study explores temporal variation of dementia prevalence in mainland China, Hong Kong and Taiwan taking study methods into account. METHODS Seventy prevalence studies of dementia in mainland China, Hong Kong and Taiwan were identified from 1980 to 2012. Five period groups (before 1990, 1990 ~ 1994, 1995 ~ 1999, 2000 ~ 2004 and 2005 ~ 2012) and five birth cohort groups (1895 ~ 1909, 1910 ~ 1919, 1920 ~ 1929, 1930 ~ 1939 and 1940 ~ 1950) were categorised using the year of investigation and 5-year age groups. Pooled prevalence by age, period and birth cohort groups was estimated through meta-regression model and meta-analysis taking diagnostic criteria and age structure into account. RESULTS After adjusting for diagnostic criteria, the study age range and age structure, the prevalence of dementia in the older population aged 60 years and over fluctuated across periods but not reaching significance and were estimated as 1.8%, 2.5%, 2.1%, 2.4% and 3.1% for the five periods from pre-1990 to 2005 ~ 2012. A potential increasing pattern from less to more recent birth cohort groups was found in the major studies using older diagnostic criteria with wider differences in the age groups over 70 years. CONCLUSIONS This study found no significant variation across periods but suggested a potential cohort effect. The influence of societal changes might moderate early life experiences across different generations with substantial impact on mental health in older age.
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Affiliation(s)
- Yu-Tzu Wu
- Department of Public Health and Primary Care, Institute of Public Health, Forvie Site, University of Cambridge School of Clinical MedicineCambridge, UK
| | - Hsin-yi Lee
- Department of Health, Behavior and Society, Johns Hopkins Bloomberg School of Public HealthBaltimore, MD, USA
| | - Samuel Norton
- Psychology Department, Institute of Psychiatry, King's College LondonLondon, UK
| | - A Matthew Prina
- Department of Public Health and Primary Care, Institute of Public Health, Forvie Site, University of Cambridge School of Clinical MedicineCambridge, UK,Centre for Global Mental Health, Institute of Psychiatry, King's College LondonLondon, UK
| | - Jane Fleming
- Department of Public Health and Primary Care, Institute of Public Health, Forvie Site, University of Cambridge School of Clinical MedicineCambridge, UK
| | - Fiona E Matthews
- MRC Biostatistics Unit, Institute of Public Health, Forvie Site, University of Cambridge School of Clinical MedicineCambridge, UK
| | - Carol Brayne
- Department of Public Health and Primary Care, Institute of Public Health, Forvie Site, University of Cambridge School of Clinical MedicineCambridge, UK
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Abstract
Intrauterine factors important for cognitive development, such as birth weight, chorionicity and umbilical cord characteristics were investigated. A total of 663 twin pairs completed the Wechsler Intelligence Scale for Children-Revised and scores were available for Performance, Verbal and Total Intelligence Quotient (IQ). The intrauterine factors examined were birth weight, placental weight and morphology, cord knots, cord length and cord insertion. IQ scores for the varying levels of the intrauterine markers adjusting for gender and gestational age were calculated. The heritability of IQ and the association between IQ and intrauterine environment were examined. Twins with lower birth weight and cord knots had lower IQ scores. The aetiology of IQ is largely distinct from that of birth weight and cord knots, and non-shared environment may influence the observed relationships.
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Pierzynowski S, Ushakova G, Kovalenko T, Osadchenko I, Goncharova K, Gustavsson P, Prykhodko O, Wolinski J, Slupecka M, Ochniewicz P, Weström B, Skibo G. Impact of colostrum and plasma immunoglobulin intake on hippocampus structure during early postnatal development in pigs. Int J Dev Neurosci 2014; 35:64-71. [PMID: 24642047 DOI: 10.1016/j.ijdevneu.2014.03.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2013] [Revised: 03/05/2014] [Accepted: 03/06/2014] [Indexed: 01/05/2023] Open
Abstract
The first milk, colostrum, is an important source of nutrients and an exclusive source of immunoglobulins (Ig), essential for the growth and protection from infection of newborn pigs. Colostrum intake has also been shown to affect the vitality and behaviour of neonatal pigs. The objective of this study was to evaluate the effects of feeding colostrum and plasma immunoglobulin on brain development in neonatal pigs. Positive correlations were found between growth, levels of total protein and IgG in blood plasma and hippocampus development in sow-reared piglets during the first 3 postnatal days. In piglets fed an elemental diet (ED) for 24h, a reduced body weight, a lower plasma protein level and a decreased level of astrocyte specific protein in the hippocampus was observed, as compared to those that were sow-reared. The latter was coincident with a reduced microgliogenesis and an essentially diminished number of neurons in the CA1 area of the hippocampus after 72h. Supplementation of the ED with purified plasma Ig, improved the gliogenesis and supported the trophic and immune status of the hippocampus. The data obtained indicate that the development of the hippocampus structure is improved by colostrum or an Ig-supplemented elemental diet in order to stimulate brain protein synthesis and its development during the early postnatal period.
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Affiliation(s)
- Stefan Pierzynowski
- Department of Biology, Lund University, Sölvegatan 35, SE-223 62 Lund, Sweden; Department of Medical Biology, Institute of Rural Medicine, Jaczewskiego 2, 20-950 Lublin, Poland.
| | - Galyna Ushakova
- Department of Biophysics and Biochemistry, Oles' Honchar Dnepropetrovsk National University, Gagarin Ave. 72, 49050 Dnepropetrovsk, Ukraine.
| | - Tatiana Kovalenko
- Department of Cytology, Key State Laboratory, Bogomoletz Institute of Physiology, Bogomoletz Street 4, 01024 Kiev, Ukraine
| | - Iryna Osadchenko
- Department of Cytology, Key State Laboratory, Bogomoletz Institute of Physiology, Bogomoletz Street 4, 01024 Kiev, Ukraine
| | - Kateryna Goncharova
- Department of Cytology, Key State Laboratory, Bogomoletz Institute of Physiology, Bogomoletz Street 4, 01024 Kiev, Ukraine
| | - Per Gustavsson
- Department of Biology, Lund University, Sölvegatan 35, SE-223 62 Lund, Sweden
| | - Olena Prykhodko
- Department of Biology, Lund University, Sölvegatan 35, SE-223 62 Lund, Sweden
| | - Jarek Wolinski
- Department of Endocrinology, The Kielanowski Institute of Animal Physiology and Nutrition, PAS, Instytucka 3, 05-110 Jablonna, Poland
| | - Monika Slupecka
- Department of Endocrinology, The Kielanowski Institute of Animal Physiology and Nutrition, PAS, Instytucka 3, 05-110 Jablonna, Poland
| | - Piotr Ochniewicz
- Department of Endocrinology, The Kielanowski Institute of Animal Physiology and Nutrition, PAS, Instytucka 3, 05-110 Jablonna, Poland
| | - Björn Weström
- Department of Biology, Lund University, Sölvegatan 35, SE-223 62 Lund, Sweden
| | - Galina Skibo
- Department of Cytology, Key State Laboratory, Bogomoletz Institute of Physiology, Bogomoletz Street 4, 01024 Kiev, Ukraine
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Views of parents in four European countries about the effect of food on the mental performance of primary school children. Eur J Clin Nutr 2013; 68:32-7. [DOI: 10.1038/ejcn.2013.214] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2013] [Revised: 07/10/2013] [Accepted: 08/11/2013] [Indexed: 11/08/2022]
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Impact of lipid nutrition on neural stem/progenitor cells. Stem Cells Int 2013; 2013:973508. [PMID: 24260036 PMCID: PMC3821937 DOI: 10.1155/2013/973508] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2012] [Accepted: 09/09/2013] [Indexed: 11/17/2022] Open
Abstract
The neural system originates from neural stem/progenitor cells (NSPCs). Embryonic NSPCs first proliferate to increase their numbers and then produce neurons and glial cells that compose the complex neural circuits in the brain. New neurons are continually produced even after birth from adult NSPCs in the inner wall of the lateral ventricle and in the hippocampal dentate gyrus. These adult-born neurons are involved in various brain functions, including olfaction-related functions, learning and memory, pattern separation, and mood control. NSPCs are regulated by various intrinsic and extrinsic factors. Diet is one of such important extrinsic factors. Of dietary nutrients, lipids are important because they constitute the cell membrane, are a source of energy, and function as signaling molecules. Metabolites of some lipids can be strong lipid mediators that also regulate various biological activities. Recent findings have revealed that lipids are important regulators of both embryonic and adult NSPCs. We and other groups have shown that lipid signals including fat, fatty acids, their metabolites and intracellular carriers, cholesterol, and vitamins affect proliferation and differentiation of embryonic and adult NSPCs. A better understanding of the NSPCs regulation by lipids may provide important insight into the neural development and brain function.
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Russell KL, Berman NEJ, Levant B. Low brain DHA content worsens sensorimotor outcomes after TBI and decreases TBI-induced Timp1 expression in juvenile rats. Prostaglandins Leukot Essent Fatty Acids 2013; 89:97-105. [PMID: 23796971 PMCID: PMC3753049 DOI: 10.1016/j.plefa.2013.05.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2013] [Revised: 05/22/2013] [Accepted: 05/23/2013] [Indexed: 12/31/2022]
Abstract
The effects of dietary modulation of brain DHA content on outcomes after TBI were examined in a juvenile rat model. Long-Evans rats with normal or diet-induced decreases in brain DHA were subjected to a controlled cortical impact or sham surgery on postnatal day 17. Rats with the greatest decreases in brain DHA had the poorest sensorimotor outcomes after TBI. Ccl2, Gfap, and Mmp 9 mRNA levels, and MMP-2 and -9 enzymatic activities were increased after TBI regardless of brain DHA level. Lesion volume was not affected by brain DHA level. In contrast, TBI-induced Timp1 expression was lower in rats on the Deficient diet and correlated with brain DHA level. These data suggest that decreased brain DHA content contributes to poorer sensorimotor outcomes after TBI through a mechanism involving modulation of Timp1 expression.
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Affiliation(s)
- Kristin L. Russell
- Department of Pharmacology, Toxicology, and Therapeutics, 3901 Rainbow Blvd., University of Kansas Medical Center, Kansas City, KS 66160 USA
| | - Nancy E. J. Berman
- Department of Anatomy & Cell Biology, University of Kansas Medical Center, 3901 Rainbow Blvd., Kansas City, KS 66160 USA
| | - Beth Levant
- Department of Pharmacology, Toxicology, and Therapeutics, 3901 Rainbow Blvd., University of Kansas Medical Center, Kansas City, KS 66160 USA
- Corresponding author: Department of Pharmacology, University of Kansas Medical Center, Mail Stop 1018, 3901 Rainbow Blvd., Kansas City, KS 66160, Phone: 1 913 588 7527, Fax: 1 913 588 7501,
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Eisinger BE, Zhao C, Driessen TM, Saul MC, Gammie SC. Large scale expression changes of genes related to neuronal signaling and developmental processes found in lateral septum of postpartum outbred mice. PLoS One 2013; 8:e63824. [PMID: 23717492 PMCID: PMC3661729 DOI: 10.1371/journal.pone.0063824] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2013] [Accepted: 04/05/2013] [Indexed: 01/14/2023] Open
Abstract
Coordinated gene expression changes across the CNS are required to produce the mammalian maternal phenotype. Lateral septum (LS) is a brain region critically involved with aspects of maternal care, and we recently examined gene expression of whole septum (LS and medial septum) in selectively bred maternal mice. Here, we expand on the prior study by 1) conducting microarray analysis solely on LS in virgin and postpartum mice, 2) using outbred mice, and 3) evaluating the role of sensory input on gene expression changes. Large scale changes in genes related to neuronal signaling were identified, including four GABAA receptor subunits. Subunits α4 and δ were downregulated in maternal LS, likely reflecting a reduction in the extrasynaptic, neurosteroid-sensitive α4/δ containing receptor subtype. Conversely, subunits ε and θ were increased in maternal LS. Fifteen K+ channel related genes showed altered expression, as did dopamine receptors Drd1a and Drd2 (both downregulated), hypocretin receptor 1 (Hcrtr1), kappa opioid receptor 1 (Oprk1), and transient receptor potential channel 4 (Trpc4). Expression of a large number of genes linked to developmental processes or cell differentiation were also altered in postpartum LS, including chemokine (C-X-C) motif ligand 12 (Cxcl12), fatty acid binding protein 7 (Fabp7), plasma membrane proteolipid (Pllp), and suppressor of cytokine signaling 2 (Socs2). Additional genes that are linked to anxiety, such as glutathione reductase (Gsr), exhibited altered expression. Pathway analysis also identified changes in genes related to cyclic nucleotide metabolism, chromatin structure, and the Ras gene family. The sensory presence of pups was found to contribute to the altered expression of a subset of genes across all categories. This study suggests that both large changes in neuronal signaling and the possible terminal differentiation of neuronal and/or glial cells play important roles in producing the maternal state.
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Affiliation(s)
- Brian E Eisinger
- Department of Zoology, University of Wisconsin-Madison, Madison, Wisconsin, USA.
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Graf WD, Kekatpure MV, Kosofsky BE. Prenatal-onset neurodevelopmental disorders secondary to toxins, nutritional deficiencies, and maternal illness. HANDBOOK OF CLINICAL NEUROLOGY 2013; 111:143-159. [PMID: 23622159 DOI: 10.1016/b978-0-444-52891-9.00014-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Neurodevelopmental disorders result from an inordinate number of genetic and environmental causes during the embryological and fetal periods of life. In the clinical setting, deciphering precise etiological diagnoses is often difficult. Newer screening technologies allow a gradual shift from traditional nature-versus-nurture debates toward the focused analysis of gene-by-environment interactions (G X E). Further understanding of developmental adaptation and plasticity requires consideration of epigenetic processes such as maternal nutritional status, environmental toxins, maternal illnesses, as well as genetic determinants, alone or in combination. Appreciation of specific G X E mechanisms of neurodevelopmental pathogenesis should lead to better risk-modifying or preventive strategies. We provide a brief overview of clinical and experimental observations that link prenatal-onset toxic exposures, metabolic disturbances, and maternal illnesses to certain neurodevelopmental disorders.
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Affiliation(s)
- William D Graf
- Departments of Pediatrics and Neurology, Yale University, New Haven, CT, USA.
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Abstract
About three-fourths of the total world population live in the tropics but consume only 6% of worldwide food production and contribute 15% of the world's net revenue explaining the short life expectancy, high infantile mortality, and poor daily caloric intake; moreover, lack of clean drinking water and deficient sanitation promote water-borne infections, diarrhea, and risk of malabsorption that contribute to the prevalence of malnutrition in the tropics. One-third of the world's population consumes insufficient iodine increasing the risk for mental retardation and deafness due to maternal hypothyroidism. The main nutritional syndromes comprise protein-energy malnutrition (marasmus and kwashiorkor); nutritional neuropathies, myelopathies and neuromyelopathies, as well as specific deficiencies of vitamins and micronutrients including iodine, iron, zinc, and selenium.
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Affiliation(s)
- Gustavo C Román
- Department of Neurology, Weill Cornell Medical College and Nantz National Alzheimer Center, Methodist Neurological Institute, Houston, TX, USA.
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Mohd Nasir MT, Norimah AK, Hazizi AS, Nurliyana AR, Loh SH, Suraya I. Child feeding practices, food habits, anthropometric indicators and cognitive performance among preschoolers in Peninsular Malaysia. Appetite 2012; 58:525-30. [DOI: 10.1016/j.appet.2012.01.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2011] [Revised: 01/04/2012] [Accepted: 01/05/2012] [Indexed: 10/14/2022]
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Abstract
Mother milk is widely accepted to be a unique product believed to contain biological factors involved in the regulation of newborn optimal growth including brain when compared to milk-formula milks. In this setting, there is growing evidence that in milk-formula neuro-oxidative stress biomarkers, neurotrophic proteins and calcium binding proteins, known to be involved in a cascade of events leading to brain, cardiac and vascular development/damage, are to date lacking or at a lower concentration than breast milk. Therefore, this review is aimed at offering additional insights to the role in human milk of some selected biomarkers such as: i) neurotrophic factors such as Activin A; ii) Calcium binding protein such as S100B and, iii) heat shock protein known to be involved in oxidative stress response (namely hemeoxygenase-1, HO-1 or Heat shock Protein 32, HSP32).
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Affiliation(s)
- Laura D Serpero
- Department of Neurology, Ophthalmology and Genetics, Genoa University, Genoa, Italy
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Boneva NB, Kaplamadzhiev DB, Sahara S, Kikuchi H, Pyko IV, Kikuchi M, Tonchev AB, Yamashima T. Expression of fatty acid-binding proteins in adult hippocampal neurogenic niche of postischemic monkeys. Hippocampus 2011; 21:162-71. [PMID: 20014382 DOI: 10.1002/hipo.20732] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Intracellular fatty acid (FA) chaperones known as FA-binding proteins (FABPs) are a group of molecules known to participate in cellular metabolic processes such as lipid storage, membrane synthesis, and β-oxidation or to coordinate transcriptional programs. However, their role in adult neurogenesis still remains obscure. The FABPs expressed in the central nervous system (CNS) are heart-type (FABP3), epidermal-type (FABP5), and brain-type (FABP7). These three FABPs possess a differential affinity for polyunsaturated fatty acids (PUFAs). Recently, we reported that GPR40, a receptor for free FAs and particularly for PUFAs, is expressed in the CNS of adult monkeys and upregulated after transient global brain ischemia in the hippocampal subgranular zone (SGZ), a neurogenic niche in adulthood. The SGZ showed a peak proliferation of progenitor cells and maximal expression of GPR40 during the second week after ischemia. As both FABPs and GPR40 might be closely related to the adult neurogenesis, here, we studied the expression of FABP 3, 5, and 7 in the SGZ, comparing normal and postischemic adult monkeys. Immunoblotting revealed that FABP5 and FABP7, but not FABP3, were significantly increased on day 15 after ischemia when compared with the nonischemic control. Immunohistochemistry showed that FABP5 was almost undetectable in the control SGZ but was abundant on day 15 after ischemia. FABP 3, 5, and 7 were expressed in S-100β-positive astrocytes and nestin-positive neural progenitors. However, only FABP 5 and 7 were found in bromodeoxyuridine (BrdU)-positive newly generated cells. FABPs were most frequently coexpressed with the S-100β-positive astrocytes, whereas βIII-tubulin-or polysialylated neural cell-adhesion molecule (PSA-NCAM)-positive newborn neurons in the vicinity of the astrocytes expressed none of the three FABPs. These results support a role of astrocyte- and/or neural progenitor-derived FABPs as components of the molecular machine regulating the progenitor cell niche in the adult primate brain.
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Affiliation(s)
- Nadezhda B Boneva
- Department of Restorative Neurosurgery, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
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Levant B. N-3 (omega-3) Fatty acids in postpartum depression: implications for prevention and treatment. DEPRESSION RESEARCH AND TREATMENT 2010; 2011:467349. [PMID: 21151517 PMCID: PMC2989696 DOI: 10.1155/2011/467349] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2010] [Accepted: 09/21/2010] [Indexed: 12/22/2022]
Abstract
A growing body of clinical and epidemiological evidence suggests that low dietary intake and/or tissue levels of n-3 (omega-3) polyunsaturated fatty acids (PUFAs) are associated with postpartum depression. Low tissue levels of n-3 PUFAs, particularly docosahexaenoic acid (DHA), are reported in patients with either postpartum or nonpuerperal depression. Moreover, the physiological demands of pregnancy and lactation put childbearing women at particular risk of experiencing a loss of DHA from tissues including the brain, especially in individuals with inadequate dietary n-3 PUFA intake or suboptimal metabolic capabilities. Animal studies indicate that decreased brain DHA in postpartum females leads to several depression-associated neurobiological changes including decreased hippocampal brain-derived neurotrophic factor and augmented hypothalamic-pituitary-adrenal responses to stress. Taken together, these findings support a role for decreased brain n-3 PUFAs in the multifactorial etiology of depression, particularly postpartum depression. These findings, and their implications for research and clinical practice, are discussed.
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Affiliation(s)
- Beth Levant
- Department of Pharmacology, Toxicology, and Therapeutics, Kansas Intellectual and Developmental Disabilities Research Center, The University of Kansas Medical Center, MS-1018, 3901 Rainbow Boulevard., Kansas City, KS 66160, USA
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Boneva NB, Mori Y, Kaplamadzhiev DB, Kikuchi H, Zhu H, Kikuchi M, Tonchev AB, Yamashima T. Differential expression of FABP 3, 5, 7 in infantile and adult monkey cerebellum. Neurosci Res 2010; 68:94-102. [PMID: 20620177 DOI: 10.1016/j.neures.2010.07.2028] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2010] [Revised: 06/25/2010] [Accepted: 07/02/2010] [Indexed: 10/19/2022]
Abstract
To clarify the involvement of fatty acid binding proteins (FABPs) in cerebellar development and function, we explored the distribution of three brain-expressed FABPs, FABP 3, 5 and 7, by comparing three animal groups--infantile, normal and postischemic adult monkeys. Immunoblotting analysis revealed intense expression of FABP 3 and 7, but not of FABP5, in the control and postischemic adult cerebellum. The protein levels of FABP7, but not of FABP 3 or 5, gradually increased until 2 weeks after the insult. Immunohistochemical analysis showed that cerebellar FABP3-positive cells were Purkinje cells and Bergmann glia. FABP5-positive cells were found only in the postischemic cerebellum, and were identified as activated microglia. Interestingly, in the infantile cerebellum, both the granule cell progenitors in the external granular layer (EGL) and the oligodendrocyte progenitors in the internal granular layer (IGL) expressed FABP5. In the adult cerebellum, FABP7 was expressed in Purkinje cells and basket interneurons, while in the infantile cerebellum it was also found in Bergmann glia. These results showed differential expression of FABPs in cerebellar neuronal and glial cell types; FABP 3 and 7 were predominantly expressed in normal cerebellum, FABP5 after ischemic injury, while FABP 3, 5 and 7 were expressed during cerebellar development.
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Affiliation(s)
- Nadezhda B Boneva
- Department of Restorative Neurosurgery, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
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Perinatal S100B Protein Assessment in Human Unconventional Biological Fluids: A Minireview and New Perspectives. Cardiovasc Psychiatry Neurol 2010; 2010:703563. [PMID: 20634930 PMCID: PMC2903947 DOI: 10.1155/2010/703563] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2010] [Accepted: 05/03/2010] [Indexed: 11/18/2022] Open
Abstract
Growing evidence is now available on the use of S100B protein as a valuable marker of brain damage and its role as a neurotrophic factor. Bearing in mind, among different S100B protein properties that are still being investigated, the possibility of measuring this protein in different biological fluids renders it suitable for use in several disciplines. This is the case with perinatal medicine where even more noninvasive techniques are particularly desirable in order to ensure the minimal handling diagnostic and therapeutic strategies. In this setting, the present minireview reports data on the presence and the usefulness of S100B protein as brain damage marker and as a neurotrophic factor in the so-called unconventional biological fluids such as saliva and human milk, respectively. Results offer new possibilities for the use of S100B in perinatal medicine as a key-protein for the investigations focusing on central nervous system development and damage.
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35
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Dauncey MJ, Bicknell RJ. Nutrition and neurodevelopment: mechanisms of developmental dysfunction and disease in later life. Nutr Res Rev 2009; 12:231-53. [PMID: 19087453 DOI: 10.1079/095442299108728947] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Nutrition plays a central role in linking the fields of developmental neurobiology and cognitive neuroscience. It has a profound impact on the development of brain structure and function and malnutrition can result in developmental dysfunction and disease in later life. A number of diseases, including schizophrenia, may be related to neurodevelopmental insults such as malnutrition, hypoxia, viruses or in utero drug exposure. Some of the most significant findings on nutrition and neurodevelopment during the last three decades, and especially during the last few years, are discussed in this review. Attention is focused on the underlying cellular and molecular mechanisms by which diet exerts its effects. Randomized intervention studies have revealed important effects of early nutrition on later cognitive development, and recent epidemiological findings show that both genetics and environment are risk factors for schizophrenia. Particularly important is the effect of early nutrition on development of the hippocampus, a brain structure important in establishing learning and memory, and hence for cognitive performance. A major aim of future research should be to elucidate the molecular mechanisms underlying nutritionally-induced impairment of neurodevelopment and specifically to determine the mechanisms by which early nutritional experience affects later cognitive performance. Key research objectives should include: (1) increased understanding of mechanisms underlying the normal processes of ageing and neurodegenerative disorders; (2) assessment of the role of susceptibility genes in modulating the effects of early nutrition on neurodevelopment; and (3) development of nutritional and pharmaceutical strategies for preventing and/or ameliorating the adverse effects of early malnutrition on long-term programming.
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Affiliation(s)
- M J Dauncey
- Developmental Genetics Programme and Neurobiology Programme, The Babraham Institute, Cambridge CB2 4AT, UK.
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36
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Abstract
Brain abnormality in surviving premature infants is associated with an enormous amount of neurodevelopmental disability, manifested principally by cognitive, behavioral, attentional, and socialization deficits, most commonly with only relatively modest motor deficits. The most recognized contributing neuropathology is cerebral white matter injury. The thesis of this review is that acquired cerebellar abnormality is a relatively less recognized but likely important cause of neurodevelopmental disability in small premature infants. The cerebellar disease may be primarily destructive (eg, hemorrhage, infarction) or primarily underdevelopment. The latter appears to be especially common and relates to a particular vulnerability of the cerebellum of the small premature infant. Central to this vulnerability are the extraordinarily rapid and complex developmental events occurring in the cerebellum. The disturbance of development can be caused either by direct adverse effects on the cerebellum, especially the distinctive transient external granular layer, or by indirect remote trans-synaptic effects. This review describes the fascinating details of cerebellar development, with an emphasis on events in the premature period, the major types of cerebellar abnormality acquired during the premature period, their likely mechanisms of occurrence, and new insights into the relation of cerebellar disease in early life to subsequent cognitive/behavioral/attentional/socialization deficits.
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Affiliation(s)
- Joseph J. Volpe
- From the Department of Neurology, Children’s Hospital and Harvard Medical School, Boston, Massachusetts
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37
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Niculescu MD, Lupu DS. High fat diet-induced maternal obesity alters fetal hippocampal development. Int J Dev Neurosci 2009; 27:627-33. [PMID: 19695321 DOI: 10.1016/j.ijdevneu.2009.08.005] [Citation(s) in RCA: 108] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2009] [Revised: 07/24/2009] [Accepted: 08/09/2009] [Indexed: 01/01/2023] Open
Abstract
The importance of maternal nutrition for fetal brain development is increasingly recognized. Previous studies have suggested that maternal obesity or maternal exposure to obesogenic diets may permanently alter brain structure and function in the offspring. To test whether maternal exposure to a high-fat diet, prior and during gestation, alters fetal hippocampal development, we fed 8-week old C57BL/6 females with a high-fat diet (60% calories from fat) for 10 weeks prior to matting and 17 days after. Fetal brains at embryonic day E17 were used to determine developmental changes in the hippocampus. We report that maternal exposure to the high-fat diet induced small for gestational age (SGA) status and fetal resorption. The proliferation of neural progenitors was increased in the neuroepithelium from hippocampus and cortex in fetuses from mothers fed the high-fat diet when compared to controls, but decreased within the dentate gyrus (DG). Apoptosis in the hippocampus was decreased (Ammon's Horn and fimbria). The differentiation of calretinin-positive neurons within the DG was also decreased. These data indicate that, under the influence of a maternal high-fat diet administered prior and during gestation, fetal hippocampal development is altered at embryonic day 17, as indicated by region-specific changes in proliferation of neural precursors, decreased apoptosis, and by decreased neuronal differentiation within the dentate gyrus.
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Affiliation(s)
- Mihai D Niculescu
- Nutrition Research Institute, University of North Carolina, Chapel Hill, NC, United States.
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Bouayed J, Desor F, Rammal H, Kiemer AK, Tybl E, Schroeder H, Rychen G, Soulimani R. Effects of lactational exposure to benzo[alpha]pyrene (B[alpha]P) on postnatal neurodevelopment, neuronal receptor gene expression and behaviour in mice. Toxicology 2009; 259:97-106. [PMID: 19428949 DOI: 10.1016/j.tox.2009.02.010] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2009] [Revised: 02/17/2009] [Accepted: 02/18/2009] [Indexed: 12/15/2022]
Abstract
The harmful effects of exposure to benzo[alpha]pyrene (B[alpha]P), which is a neurotoxic pollutant, on mammalian neurodevelopment and/or behaviour as yet remain widely unclear. In the present investigation, we evaluated the impact of the lactational exposure to B[alpha]P on postnatal development of pups and behaviour of young mice. The neurobiological effects of B[alpha]P during lactation were also evaluated on pups' brain. Here, we found that lactational exposure to B[alpha]P at 2 and 20mg/kg affects the neuromaturation of pups by significantly decreasing their reflex as highlighted in surface righting reflex and negative geotaxis tests. However, we noted a significant increase in muscular strength of lactationally B[alpha]P mg/kg-exposed pups, which was probably due to the impact of the exposure to this toxic compound on body weight gain. At the pup stage, lactational exposure to B[alpha]P also provoked a neurobiological change, which was assessed by determination of neuronal receptor gene expression. Indeed, a significant reduction in gene expression of 5HT(1A) receptors in pups exposed to B[alpha]P through lactation was found in comparison to controls. Additionally, attenuation in the expression of MOR(1) mRNA was observed, but statistically significant only in animals receiving the higher dose. Neither the expression levels of ADRA(1D) nor GABA(A) mRNA were altered. Interestingly, the harmful effects of lactational exposure to B[alpha]P on behaviour and cognitive function were still found despite a long post-weaning period. Young mice whose mothers were exposed to B[alpha]P displayed a disinhibition behaviour towards the aversive spaces of the elevated plus maze. Furthermore, a significant increase of spontaneous alternation in the Y-maze was observed, but only in young mice whose mothers were orally exposed to the lower dose of B[alpha]P. Our results suggest a close link between the neurobiological change highlighted in pups' brain and the different behavioural disturbances observed during postnatal development period until young adult stage.
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Affiliation(s)
- Jaouad Bouayed
- Neurotoxicologie Alimentaire et Bioactivié, UR AFPA, Université Paul Verlaine de Metz-INPL-INRA, BP 4102, 57040 Metz, France.
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39
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Burns JG, Saravanan A, Helen Rodd F. Rearing Environment Affects the Brain Size of Guppies: Lab-Reared Guppies have Smaller Brains than Wild-Caught Guppies. Ethology 2009. [DOI: 10.1111/j.1439-0310.2008.01585.x] [Citation(s) in RCA: 78] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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40
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Marques dos Santos L, Neves dos Santos D, Bastos ACS, Assis AMO, Prado MS, Barreto ML. Determinants of early cognitive development: hierarchical analysis of a longitudinal study. CAD SAUDE PUBLICA 2008; 24:427-37. [PMID: 18278290 DOI: 10.1590/s0102-311x2008000200022] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2006] [Accepted: 05/23/2007] [Indexed: 11/22/2022] Open
Abstract
The study describes the relationship between anthropometric status, socioeconomic conditions, and quality of home environment and child cognitive development in 320 children from 20 to 42 months of age, randomly selected from 20,000 households that represent the range of socioeconomic and environmental conditions in Salvador, Bahia, Northeast Brazil. The inclusion criterion was to be less than 42 months of age between January and July 1999. Child cognitive development was assessed using the Bayley Scales for Infant Development, and the Home Observation for Measurement of the Environment Inventory (HOME) was applied to assess quality of home environment. Anthropometric status was measured using the indicators weight/age and height/age ratios (z-scores), and socioeconomic data were collected through a standard questionnaire. Statistical analysis was conducted through univariate and hierarchical linear regression. Socioeconomic factors were found to have an indirect impact on early cognitive development mediated by the child's proximal environment factors, such as appropriate play materials and games available and school attendance. No independent association was seen between nutritional status and early cognitive development.
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41
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Tang J, Zou C, He Z, Shi R, Ortiz-Monasterio I, Qu Y, Zhang Y. Mineral element distributions in milling fractions of Chinese wheats. J Cereal Sci 2008. [DOI: 10.1016/j.jcs.2008.06.008] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Musumeci M, Betta P, Magro E, Isaia T, Simpore J, Romeo DM, Musumeci S. S100B concentration in colostrums of Burkinabe and Sicilian women. Nutr Metab (Lond) 2008; 5:15. [PMID: 18498658 PMCID: PMC2423355 DOI: 10.1186/1743-7075-5-15] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2008] [Accepted: 05/22/2008] [Indexed: 11/17/2022] Open
Abstract
The aim of this study is to determine the S100B concentration in colostrums of 51 Burkinabe and 30 Sicilian women, still living in their countries, and in case of a difference to search for its explanations, considering also ethnic differences. The concentration of S100B, in colostrums of the first three days from the delivery, was assessed with commercial immunoluminometric assay. The production of colostrums was significantly higher in Burkinabe women, where the colostrums S100B levels in the first day of lactation showed to be at 24 h higher than those of Sicilian mothers (672.21 ± 256.67 ng/ml vs 309.36 ± 65.28 ng/ml) and progressively decreased reaching the values of Sicilian mothers in the second and third day (204.31 ± 63.25 ng/ml and 199.42 ± 45.28 ng/ml, respectively). Correlation was found between the level of S100B and the length of stage II (duration of expulsive phase of delivery), but the correlation with pain was found only in Burkinabe women. The S100B level in colostrums of Burkinabe mothers differs from that of Sicilians only in the first day of lactation, and in consideration that Burkinabe women produce more colostrums, their newborns receive, during the first days of life, an higher amount of S100B. The elevated quantity of S100B ingested by Burkinabe newborn in the first days of life could promote the physiological postnatal brain adaptation and maturation in the precarious delivery condition of African infants.
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Affiliation(s)
- Maria Musumeci
- Department of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità (ISS), Rome, Italy.
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Nigro F, Gagliardi L, Ciotti S, Galvano F, Pietri A, Tina GL, Cavallaro D, La Fauci L, Iacopino L, Bognanno M, Li Volti G, Scacco A, Michetti F, Gazzolo D. S100B Protein concentration in milk-formulas for preterm and term infants Correlation with industrial preparation procedures. Mol Nutr Food Res 2008; 52:609-13. [PMID: 18384096 DOI: 10.1002/mnfr.200700312] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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44
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Owada Y. Fatty acid binding protein: localization and functional significance in the brain. TOHOKU J EXP MED 2008; 214:213-20. [PMID: 18323691 DOI: 10.1620/tjem.214.213] [Citation(s) in RCA: 89] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Long chain fatty acids are important nutrients for brain development and function. However, the molecular basis of their actions in the brain is still to be clarified. Fatty acid-binding proteins (FABPs) belong to the multigene family of the intracellular lipid-binding protein. FABPs bind to long chain fatty acids, being involved in the promotion of cellular uptake and transport of fatty acids, the targeting of fatty acids to specific metabolic pathways, and the regulation of gene expression. FABPs are widely expressed in mammalian tissues, with distinct expression patterns for the individual protein. Although FABPs have been implicated to serve as regulators in systemic cellular metabolic pathways, recent studies have demonstrated the ability of FABPs to regulate functions of the brain, one of the most fat-enriched tissues in the body. This review summarizes the localization of FABPs in the brain, and recent progress in elucidating the function of FABPs in the brain.
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Affiliation(s)
- Yuji Owada
- Department of Organ Anatomy, Yamaguchi University Graduate School of Medicine.
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Graf WD. Cerebral dysgeneses secondary to metabolic disorders in fetal life. HANDBOOK OF CLINICAL NEUROLOGY 2008; 87:459-476. [PMID: 18809039 DOI: 10.1016/s0072-9752(07)87025-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Affiliation(s)
- William D Graf
- Section of Neurology, Children's Mercy Hospitals and Clinics and University of Missouri, 2401 Gillham Road, Kansas City, MO 64108, USA.
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Liu L, van Groen T, Kadish I, Tollefsbol TO. DNA methylation impacts on learning and memory in aging. Neurobiol Aging 2007; 30:549-60. [PMID: 17850924 PMCID: PMC2656583 DOI: 10.1016/j.neurobiolaging.2007.07.020] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2007] [Revised: 06/19/2007] [Accepted: 07/24/2007] [Indexed: 12/20/2022]
Abstract
Learning and memory are two of the fundamental cognitive functions that confer us the ability to accumulate knowledge from our experiences. Although we use these two mental skills continuously, understanding the molecular basis of learning and memory is very challenging. Methylation modification of DNA is an epigenetic mechanism that plays important roles in regulating gene expression, which is one of the key processes underlying the functions of cells including neurons. Interestingly, a genome-wide decline in DNA methylation occurs in the brain during normal aging, which coincides with a functional decline in learning and memory with age. It has been speculated that DNA methylation in neurons might be involved in memory coding. However, direct evidence supporting the role of DNA methylation in memory formation is still under investigation. This particular function of DNA methylation has not drawn wide attention despite several important studies that have provided supportive evidence for the epigenetic control of memory formation. To facilitate further exploration of the epigenetic basis of memory function, we will review existing studies on DNA methylation that are related to the development and function of the nervous system. We will focus on studies illustrating how DNA methylation regulates neural activities and memory formation via the control of gene expression in neurons, and relate these studies to various age-related neurological disorders that affect cognitive functions.
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Affiliation(s)
- Liang Liu
- Department of Biology, University of Alabama at Birmingham, 175 Campbell Hall, 1300 University Boulevard, Birmingham, AL 35294-1170, USA.
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Abstract
PURPOSE OF REVIEW Malnutrition in late infancy and childhood remains a significant public health issue in developing nations as well as for those in transition to an industrialized economy. In addition, in these settings and particularly in developed nations, overweight is becoming a very serious threat to both the immediate and the long-term health of children. In this review, we present recent studies that have examined relationships between childhood undernutrition and three general areas of performance: physical activity, cognition and behavior. RECENT FINDINGS Malnourished children have been shown to have decreased physical activity and endurance, and poorer cognitive function and school performance. Multiple single micronutrient deficiencies, including vitamin B12, thiamin, niacin, zinc and iron, have been associated with poorer cognitive performance. Behavioral problems, including attention deficits, have also been associated with food insufficiency and malnutrition. SUMMARY The effects of impaired nutritional status during childhood may have long-standing consequences for the health and performance of children during their adult years.
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Affiliation(s)
- Gary Fanjiang
- Department of Pediatrics, Pediatric Gastroenterology and Nutrition Unit, Massachusetts General Hospital, Harvard Medical School, 175 Cambridge Street, Boston, MA 02114, USA
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Carpenter DO, El-Qaderi S, Fayzieva D, Gilani AH, Hambartsumyan A, Herz K, Isobaev M, Kasymov O, Kudyakov R, Majitova Z, Mamadov E, Nemer L, Revich B, Stege P, Suk W, Upshur R, Yilmaz B, Zaineh K. Children's environmental health in Central Asia and the Middle east. INTERNATIONAL JOURNAL OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH 2006; 12:362-8. [PMID: 17168224 DOI: 10.1179/oeh.2006.12.4.362] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
Children in Central Asia and the Middle East bear disproportionate environmental threats to health, of which the most widespread and serious result from poverty, malnutrition, lack of access to safe drinking water and food, and exposures to toxic chemicals. Their psychological health is threatened in several parts of this region by internal wars and strife. Many, or even most, children are regularly exposed to environmental tobacco smoke. In many of these countries, children constitute very high percentages of the population. Because children constitute the future, it is critical that these threats to their health be addressed and reduced to the greatest extent possible through both provision of safe and adequate drinking water and nutrition and reduction of exposures to environmental contaminants.
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Affiliation(s)
- David O Carpenter
- Institute for Health and the Environment, University at Albany SUNY, Rensselaer, New York 12144-3429, USA.
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Guerrini I, Thomson AD, Gurling HD. The importance of alcohol misuse, malnutrition and genetic susceptibility on brain growth and plasticity. Neurosci Biobehav Rev 2006; 31:212-20. [PMID: 16908066 DOI: 10.1016/j.neubiorev.2006.06.022] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2005] [Accepted: 06/12/2006] [Indexed: 01/19/2023]
Abstract
The "dyad: alcoholic mother and foetus" is a very complex entity in which several elements such as genes, metabolism, diet, drugs and social habits play a role at different stages in the development of the fetal brain damage. The literature on the effects of alcohol consumption on the developing brain is extensive but very few evidences have been reported regarding the combined neurotoxic effects of poor nutrition and alcohol consumption. The consequences of ethanol intake alone or combined with poor maternal nutrition appear to be severe and life-long. Alcohol exerts its neurotoxic effects on the developing brain directly by acting on fetal brain tissues, and indirectly either by interfering with placental physiology or by impairing the mother's physiology. Alcohol misuse in pregnancy is also frequently associated with other conditions that can potentially increase the brain damage such as poor nutrition and smoking. This article reviews the effects of poor nutrition and alcohol misuse during pregnancy on the development of the fetal brain and discusses the cumulative effects of these two environmental factors and their interaction with maternal and fetal genetic make-ups.
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Affiliation(s)
- Irene Guerrini
- Molecular Psychiatry Laboratory, Windeyer Institute of Medical Sciences, Department of Mental Health Sciences, Royal Free and University College London Medical School, 46 Cleveland Street, London W1T 4JF, UK.
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Owada Y, Abdelwahab SA, Kitanaka N, Sakagami H, Takano H, Sugitani Y, Sugawara M, Kawashima H, Kiso Y, Mobarakeh JI, Yanai K, Kaneko K, Sasaki H, Kato H, Saino-Saito S, Matsumoto N, Akaike N, Noda T, Kondo H. Altered emotional behavioral responses in mice lacking brain-type fatty acid-binding protein gene. Eur J Neurosci 2006; 24:175-87. [PMID: 16882015 DOI: 10.1111/j.1460-9568.2006.04855.x] [Citation(s) in RCA: 114] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Brain-type fatty acid-binding protein (B-FABP) belongs to a family of intracellular lipid-binding proteins. B-FABP exhibits a binding affinity to long-chain fatty acids (FAs) whose effects on brain functions including development, emotion, learning and memory have been proposed. B-FABP is localized in the ventricular germinal cells in embryonic brain and astrocytes in developing and mature brain of rodents. In the present study we generated the mouse harboring a null mutation in the B-FABP gene and studied its phenotype. B-FABP mutant mice exhibited the enhanced anxiety and increased fear memory as well as the decreased content of docosahexaenoic acid (DHA) in their brain during the neonatal period without detection of any histological changes in the brain. In the adult brain, B-FABP was localized more numerously to the astrocytes in the amygdala and septal area than to those in the hippocampal area. Analysis of FA content in the amygdala of adult brain revealed that arachidonic and palmitic acids increased significantly in the mutant mice compared with wild-type. Furthermore, the response of N-methyl-d-aspartate receptor-mediated current to DHA in isolated neurons from B-FABP mutant brain was significantly decreased compared with that of wild-type, while no significant differences were detected in behavioral responses related to the spatial learning/memory or in the hippocampal long-term potentiation. These data indicate that B-FABP is crucially involved in the fear memory and anxiety through its binding with FAs and/or its own direct effects on pertinent metabolism/signaling of FAs.
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Affiliation(s)
- Yuji Owada
- Division of Histology, Graduate School of Medical Science, Tohoku University, 2-1 Seiryo-machi, Aobaku, Sendai 980-8575, Japan.
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