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Mitochondria psychiatric

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https://www.readbyqxmd.com/read/28831049/treating-the-placenta-to-prevent-adverse-effects-of-gestational-hypoxia-on-fetal-brain-development
#1
Tom J Phillips, Hannah Scott, David A Menassa, Ashleigh L Bignell, Aman Sood, Jude S Morton, Takami Akagi, Koki Azuma, Mark F Rogers, Catherine E Gilmore, Gareth J Inman, Simon Grant, Yealin Chung, Mais M Aljunaidy, Christy-Lynn Cooke, Bruno R Steinkraus, Andrew Pocklington, Angela Logan, Gavin P Collett, Helena Kemp, Peter A Holmans, Michael P Murphy, Tudor A Fulga, Andrew M Coney, Mitsuru Akashi, Sandra T Davidge, C Patrick Case
Some neuropsychiatric disease, including schizophrenia, may originate during prenatal development, following periods of gestational hypoxia and placental oxidative stress. Here we investigated if gestational hypoxia promotes damaging secretions from the placenta that affect fetal development and whether a mitochondria-targeted antioxidant MitoQ might prevent this. Gestational hypoxia caused low birth-weight and changes in young adult offspring brain, mimicking those in human neuropsychiatric disease. Exposure of cultured neurons to fetal plasma or to secretions from the placenta or from model trophoblast barriers that had been exposed to altered oxygenation caused similar morphological changes...
August 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28793231/association-of-mitochondrial-dna-10398-a-g-polymorphism-with-attention-deficit-and-hyperactivity-disorder-in-korean-children
#2
In Wook Hwang, Jun Ho Hong, Bit Na Kwon, Hyung Jun Kim, Noo Ri Lee, Myung Ho Lim, Ho Jang Kwon, Han Jun Jin
Mitochondria are subcellular organelles that contribute to aerobic ATP generation by oxidative phosphorylation (OXPHOS). Previous studies reported that mitochondrial dysfunction and deficiency caused by mitochondrial DNA polymorphisms is associated with various diseases. Especially, mitochondrial DNA 10398 A/G polymorphism is known to affect the regulation of mitochondrial calcium levels related to energy production, and its association with psychiatric disorders such as schizophrenia and bipolar disorder has been reported...
September 30, 2017: Gene
https://www.readbyqxmd.com/read/28639241/huntington-s-disease-and-mitochondria
#3
REVIEW
Mohammad Jodeiri Farshbaf, Kamran Ghaedi
Huntington's disease (HD) as an inherited neurodegenerative disorder leads to neuronal loss in striatum. Progressive motor dysfunction, cognitive decline, and psychiatric disturbance are the main clinical symptoms of the HD. This disease is caused by expansion of the CAG repeats in exon 1 of the huntingtin which encodes Huntingtin protein (Htt). Various cellular and molecular events play role in the pathology of HD. Mitochondria as important organelles play crucial roles in the most of neurodegenerative disorders like HD...
June 21, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28534301/effects-of-acetyl-l-carnitine-in-diabetic-neuropathy-and-other-geriatric-disorders
#4
REVIEW
G Sergi, S Pizzato, F Piovesan, C Trevisan, N Veronese, E Manzato
A long history of diabetes mellitus and increasing age are associated with the onset of diabetic neuropathy, a painful and highly disabling complication with a prevalence peaking at 50% among elderly diabetic patients. Acetyl-L-carnitine (ALC) is a molecule derived from the acetylation of carnitine in the mitochondria that has an essential role in energy production. It has recently been proposed as a therapy to improve the symptoms of diabetic neuropathy. ALC is widely distributed in mammalian tissues, including the brain, blood-brain barrier, brain neurons, and astrocytes...
May 22, 2017: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/28488129/loss-of-the-association-between-telomere-length-and-mitochondrial-dna-copy-number-contribute-to-colorectal-carcinogenesis
#5
Hyunsu Lee, Ji-Hyoung Cho, Won-Jin Park, Soo-Jung Jung, In-Jang Choi, Jae-Ho Lee
Positive association between telomere length and mitochondrial DNA (mtDNA) copy number were introduced in healthy and patients with psychiatric disorder. Based on frequent genetic changes of telomere and mitochondria in colorectal carcinomas (CRC), we studied their clinical characteristics and their association in colorectal carcinogenesis. DNA was extracted from 109 CRCs, 64 colorectal tubular adenomas (TAs), and 28 serrated polyps (SPs), and then, telomere length and mtDNA copy number were analyzed in these legions by using a real-time PCR assay...
May 9, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28469467/interactions-of-tryptophan-and-its-catabolites-with-melatonin-and-the-alpha-7-nicotinic-receptor-in-central-nervous-system-and-psychiatric-disorders-role-of-the-aryl-hydrocarbon-receptor-and-direct-mitochondria-regulation
#6
REVIEW
George Anderson, Michael Maes
Recent work indicates an intimate interaction of the tryptophan catabolite (TRYCAT) pathways with the melatonergic pathways, primarily via TRYCAT pathway induction taking tryptophan away from the production of serotonin, which is a necessary precursor for the melatonergic pathways. The alpha 7 nicotinic receptor may be significantly modulated by this interaction, given its inactivation by the TRYCAT, kynurenic acid, and its induction by melatonin. Similarly, the aryl hydrocarbon receptor is activated by both kynurenic acid and kynurenine, leading to CYP1A2 and melatonin metabolism, whereas melatonin may act to inhibit the aryl hydrocarbon receptor...
2017: International Journal of Tryptophan Research: IJTR
https://www.readbyqxmd.com/read/28279571/sex-dependent-mental-illnesses-and-mitochondria
#7
REVIEW
Akiko Shimamoto, Virginie Rappeneau
The prevalence of some mental illnesses, including major depression, anxiety-, trauma-, and stress-related disorders, some substance use disorders, and later onset of schizophrenia, is higher in women than men. While the higher prevalence in women could simply be explained by socioeconomic determinants, such as income, social status, or cultural background, extensive studies show sex differences in biological, pharmacokinetic, and pharmacological factors contribute to females' vulnerability to these mental illnesses...
September 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28087269/mitochondrial-roles-of-the-psychiatric-disease-risk-factor-disc1
#8
REVIEW
R Norkett, S Modi, J T Kittler
Ion transport during neuronal signalling utilizes the majority of the brain's energy supply. Mitochondria are key sites for energy provision through ATP synthesis and play other important roles including calcium buffering. Thus, tightly regulated distribution and function of these organelles throughout the intricate architecture of the neuron is essential for normal synaptic communication. Therefore, delineating mechanisms coordinating mitochondrial transport and function is essential for understanding nervous system physiology and pathology...
September 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28063266/antibiotics-may-trigger-mitochondrial-dysfunction-inducing-psychiatric-disorders
#9
REVIEW
George B Stefano, Joshua Samuel, Richard M Kream
Clinical usage of several classes of antibiotics is associated with moderate to severe side effects due to the promotion of mitochondrial dysfunction. We contend that this may be due to perturbation of unique evolutionary relationships that link selective biochemical and molecular aspects of mitochondrial biology to conserved enzymatic processes derived from bacterial progenitors. Operationally, stereo-selective conformational matching between mitochondrial respiratory complexes, cytosolic and nuclear signaling complexes appears to support the conservation of a critically important set of chemical messengers required for existential regulation of homeostatic cellular processes...
January 7, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28045465/methylomic-profiling-of-cortex-samples-from-completed-suicide-cases-implicates-a-role-for-psors1c3-in-major-depression-and-suicide
#10
T M Murphy, B Crawford, E L Dempster, E Hannon, J Burrage, G Turecki, Z Kaminsky, J Mill
Major depressive disorder (MDD) represents a major social and economic health issue and constitutes a major risk factor for suicide. The molecular pathology of suicidal depression remains poorly understood, although it has been hypothesised that regulatory genomic processes are involved in the pathology of both MDD and suicidality. In this study, genome-wide patterns of DNA methylation were assessed in depressed suicide completers (n=20) and compared with non-psychiatric, sudden-death controls (n=20) using tissue from two cortical brain regions (Brodmann Area 11 (BA11) and Brodmann Area 25 (BA25))...
January 3, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28044359/mitochondria-in-complex-psychiatric-disorders-lessons-from-mouse-models-of-22q11-2-deletion-syndrome-hemizygous-deletion-of-several-mitochondrial-genes-in-the-22q11-2-genomic-region-can-lead-to-symptoms-associated-with-neuropsychiatric-disease
#11
Prakash Devaraju, Stanislav S Zakharenko
Mitochondrial ATP synthesis, calcium buffering, and trafficking affect neuronal function and survival. Several genes implicated in mitochondrial functions map within the genomic region associated with 22q11.2 deletion syndrome (22q11DS), which is a key genetic cause of neuropsychiatric diseases. Although neuropsychiatric diseases impose a serious health and economic burden, their etiology and pathogenesis remain largely unknown because of the dearth of valid animal models and the challenges in investigating the pathophysiology in neuronal circuits...
February 2017: BioEssays: News and Reviews in Molecular, Cellular and Developmental Biology
https://www.readbyqxmd.com/read/28000540/telomere-length-in-psychiatric-disorders-is-it-more-than-an-ageing-marker
#12
Nancy Monroy-Jaramillo, Elena Dyukova, Consuelo Walss-Bass
Objectives Psychiatric and substance use disorders have been associated with premature biological ageing. Telomere length (TL), considered an ageing marker, has been analyzed in psychiatric disorders, and to a lesser extent in substance use disorders, with recent findings suggesting TL may be related to disease pathology. Methods We conducted a critical and non-systematic literature search of TL studies published up to June 2016 in psychiatric and substance use disorders, focusing on studies describing mechanisms, including studies linking telomere biology with genetic factors, stress, and mitochondrial alterations (104 studies selected)...
December 21, 2016: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/27876820/a-method-to-customize-population-specific-arrays-for-genome-wide-association-testing
#13
COMPARATIVE STUDY
Erik A Ehli, Abdel Abdellaoui, Iryna O Fedko, Charlie Grieser, Sahar Nohzadeh-Malakshah, Gonneke Willemsen, Eco Jc de Geus, Dorret I Boomsma, Gareth E Davies, Jouke J Hottenga
As an example of optimizing population-specific genotyping assays using a whole-genome sequence reference set, we detail the approach that followed to design the Axiom-NL array which is characterized by an improved imputation backbone based on the Genome of the Netherlands (GoNL) reference sequence and, compared with earlier arrays, a more comprehensive inclusion of SNPs on chromosomes X, Y, and the mitochondria. Common variants on the array were selected to be compatible with the Illumina Psych Array and the Affymetrix UK Biobank Axiom array...
February 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/27638306/possible-role-of-mitochondrial-permeability-transition-pore-in-the-pathogenesis-of-huntington-disease
#14
REVIEW
Rodrigo A Quintanilla, Cheril Tapia, María José Pérez
Huntington disease (HD) is a devastating neurological disorder that affects the striatum and cortex of patients. HD patients develop progressive motor dysfunction and psychiatric disturbances with gradual dementia. HD is caused by a pathological expansion of CAG repeats in the huntingtin gene that codifies for a protein called huntingtin (Htt), which principal function is not completely understood. Accumulative evidence shows that this pathological expansion modifies Htt function affecting different neuronal targets, including mitochondrial function which is an important factor that contributes to HD...
February 19, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27539538/antidepressant-action-on-mitochondrial-dysfunction-in-psychiatric-disorders
#15
REVIEW
Miroslav Adzic, Zeljka Brkic, Sonja Bulajic, Milos Mitic, Marija B Radojcic
Preclinical Research Mitochondria are cell organelles crucial to the production of cellular energy. Several lines of evidence have indicated that mitochondrial dysfunction could be related to the pathophysiology of CNS diseases including bipolar disorder, major depressive disorder, and schizophrenia. These changes include impaired energy metabolism in the brain, co-morbidity with mitochondrial diseases, the effects of psychotropics on mitochondrial function, increased mitochondrial DNA (mtDNA) deletion in the brain, and association with mtDNA polymorphisms...
November 2016: Drug Development Research
https://www.readbyqxmd.com/read/27412728/mitochondrial-oxidative-phosphorylation-system-oxphos-deficits-in-schizophrenia-possible-interactions-with-cellular-processes
#16
Oded Bergman, Dorit Ben-Shachar
Mitochondria are key players in the generation and regulation of cellular bioenergetics, producing the majority of adenosine triphosphate molecules by the oxidative phosphorylation system (OXPHOS). Linked to numerous signaling pathways and cellular functions, mitochondria, and OXPHOS in particular, are involved in neuronal development, connectivity, plasticity, and differentiation. Impairments in a variety of mitochondrial functions have been described in different general and psychiatric disorders, including schizophrenia (SCZ), a severe, chronic, debilitating illness that heavily affects the lives of patients and their families...
August 2016: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
https://www.readbyqxmd.com/read/27377693/mitochondrial-dysfunction-in-bipolar-disorder-evidence-pathophysiology-and-translational-implications
#17
REVIEW
Giselli Scaini, Gislaine T Rezin, Andre F Carvalho, Emilio L Streck, Michael Berk, João Quevedo
Bipolar disorder (BD) is a chronic psychiatric illness characterized by severe and biphasic changes in mood. Several pathophysiological mechanisms have been hypothesized to underpin the neurobiology of BD, including the presence of mitochondrial dysfunction. A confluence of evidence points to an underlying dysfunction of mitochondria, including decreases in mitochondrial respiration, high-energy phosphates and pH; changes in mitochondrial morphology; increases in mitochondrial DNA polymorphisms; and downregulation of nuclear mRNA molecules and proteins involved in mitochondrial respiration...
September 2016: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/27297032/mutation-snp-analysis-in-ef-hand-calcium-binding-domain-of-mitochondrial-ca-formula-see-text-uptake-1-gene-in-bipolar-disorder-patients
#18
Roghaiyeh Safari, Reza Salimi, Zeliha Tunca, Aysegul Ozerdem, Deniz Ceylan, Meral Sakizli
Calcium signaling is important for synaptic plasticity, generation of brain rhythms, regulating neuronal excitability, data processing and cognition. Impairment in calcium homeostasis contributed to the development of psychiatric disorders such as bipolar disorder (BP). MCU is the most important calcium transporter in mitochondria inner membrane responsible for influx of Ca[Formula: see text]. MICU1 is linked with MCU and has two canonical EF hands that are vital for its activity and regulates MCU-mediated Ca[Formula: see text] influx...
June 2016: Journal of Integrative Neuroscience
https://www.readbyqxmd.com/read/27269743/transcriptional-profiling-of-mitochondria-associated-genes-in-prefrontal-cortex-of-subjects-with-major-depressive-disorder
#19
Qingzhong Wang, Yogesh Dwivedi
OBJECTIVES: Recent evidences suggest that mitochondrial dysfunction maybe involved in the pathophysiology of major depressive disorder (MDD); however, the role of mitochondrial genes in this disorder has not been studied systematically. In the present study, we profiled expression of mitochondrial genes in dorsolateral prefrontal cortex (dlPFC) of MDD and non-psychiatric control subjects. METHODS: Human mitochondrial RT(2) profile PCR array plates were used to examine differentially expressed genes in dlPFC of 11 MDD and 11 control subjects...
July 11, 2016: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/27257601/role-of-mitochondrial-uncoupling-protein-2-ucp2-in-higher-brain-functions-neuronal-plasticity-and-network-oscillation
#20
Gretchen Hermes, David Nagy, Michael Waterson, Attila Zsarnovszky, Luis Varela, Mihaly Hajos, Tamas L Horvath
BACKGROUND/PURPOSE: Major psychiatric illnesses, affecting 36% of the world's population, are profound disorders of thought, mood and behavior associated with underlying impairments in synaptic plasticity and cellular resilience. Mitochondria support energy demanding processes like neural transmission and synaptogenesis and are thus points of broadening interest in the energetics underlying the neurobiology of mental illness. These experiments interrogated the importance of mitochondrial flexibility in behavior, synaptic and cortical activity in a mouse model...
June 2016: Molecular Metabolism
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