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https://www.readbyqxmd.com/read/28098923/-ssris-and-depressive-symptoms-in-schizophrenia-a-systematic-review
#1
H G van Dijk, E A Dapper, C H Vinkers
Patients with schizophrenia frequently have depressive symptoms. Current guidelines do not provide specific recommendations regarding the treatment of these symptoms, nor do they mention the role that selective serotonin reuptake inhibitors (ssris) can play in the treatment.<br/> AIM: To investigate whether ssris are more effective than placebo in treating depressive symptoms in patients with schizophrenia.<br/> METHOD: We searched the literature systematically using PubMed, embase, Cochrane Library and Psycinfo...
2017: Tijdschrift Voor Psychiatrie
https://www.readbyqxmd.com/read/28097486/the-therapeutic-effectiveness-of-delayed-fetal-spinal-cord-tissue-transplantation-on-respiratory-function-following-mid-cervical-spinal-cord-injury
#2
Chia-Ching Lin, Sih-Rong Lai, Yu-Han Shao, Chun-Lin Chen, Kun-Ze Lee
Respiratory impairment due to damage of the spinal respiratory motoneurons and interruption of the descending drives from brainstem premotor neurons to spinal respiratory motoneurons is the leading cause of morbidity and mortality following cervical spinal cord injury. The present study was designed to evaluate the therapeutic effectiveness of delayed transplantation of fetal spinal cord (FSC) tissue on respiratory function in rats with mid-cervical spinal cord injury. Embryonic day-14 rat FSC tissue was transplanted into a C4 spinal cord hemilesion cavity in adult male rats at 1 week postinjury...
January 17, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/28097008/preclinical-findings-predicting-efficacy-and-side-effect-profile-of-ly2940094-an-antagonist-of-nociceptin-receptors
#3
Jeffrey M Witkin, Linda M Rorick-Kehn, Mark J Benvenga, Benjamin L Adams, Scott D Gleason, Karen M Knitowski, Xia Li, Steven Chaney, Julie F Falcone, Janice W Smith, Julie Foss, Kirsti Lloyd, John T Catlow, David L McKinzie, Kjell A Svensson, Vanessa N Barth, Miguel A Toledo, Nuria Diaz, Celia Lafuente, Alma Jiménez, Alfonso Benito, Conception Pedregal, Maria A Martínez-Grau, Anke Post, Michael A Ansonoff, John E Pintar, Michael A Statnick
Nociceptin/Orphanin FQ (N/OFQ) is a 17 amino acid peptide whose receptor is designated ORL1 or nociceptin receptor (NOP). We utilized a potent, selective, and orally bioavailable antagonist with documented engagement with NOP receptors in vivo to assess antidepressant- and anxiolytic-related pharmacological effects of NOP receptor blockade along with measures of cognitive and motor impingement. LY2940094 ([2-[4-[(2-chloro-4,4-difluoro-spiro[5H-thieno[2,3-c]pyran-7,4'-piperidine]-1'-yl)methyl]-3-methyl-pyrazol-1-yl]-3-pyridyl]methanol) displayed antidepressant-like behavioral effects in the forced-swim test in mice, an effect absent in NOP (-/-) mice...
December 2016: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/28096880/genetic-polymorphism-of-1019c-g-rs6295-promoter-of-serotonin-1a-receptor-and-catechol-o-methyltransferase-in-panic-disorder
#4
Takashi Watanabe, Shin Ishiguro, Akiko Aoki, Mikito Ueda, Yuki Hayashi, Kazufumi Akiyama, Kazuko Kato, Kazutaka Shimoda
OBJECTIVE: Family and twin studies have suggested genetic liability for panic disorder (PD) and therefore we sought to determine the role of noradrenergic and serotonergic candidate genes for susceptibility for PD in a Japanese population. METHODS: In this age- and gender-matched case-control study involving 119 PD patients and 119 healthy controls, we examined the genotype distributions and allele frequencies of the serotonin transporter gene linked polymorphic region (5-HTTLPR), -1019C/G (rs6295) promoter polymorphism of the serotonin receptor 1A (5-HT1A), and catechol-O-methyltransferase (COMT) gene polymorphism (rs4680) and their association with PD...
January 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/28095756/low-dose-acute-vanillin-is-beneficial-against-harmaline-induced-tremors-in-rats
#5
Al Asmari Abdulrahman, Kunnathodi Faisal, Ali Al Amri Meshref, Mohammed Arshaduddin
OBJECTIVE: To study the effect of pretreatment with low doses of vanillin, a flavoring agent used as a food additive, on harmaline-induced tremor in rats. METHODS: Sprague Dawley rats (110 ± 5 g) were divided into groups of six animals each. Vanillin (6.25 mg, 12.5 mg, and 25 mg/kg) was administered by gavage to different groups of rats, 30 minutes before the induction of tremor. Harmaline (10 mg/kg, i.p.) was used for the induction of tremor. The latency of onset, duration, tremor intensity, tremor index, and spontaneous locomotor activity were recorded...
January 18, 2017: Neurological Research
https://www.readbyqxmd.com/read/28094186/nardonaphthalenones-a-and-b-from-the-roots-and-rhizomes-of-nardostachys-chinensis-batal
#6
Xu Deng, Yi-Jing Wu, Ying-Peng Chen, Hong-Hong Zheng, Zhong-Ping Wang, Yan Zhu, Xiu-Mei Gao, Yan-Tong Xu, Hong-Hua Wu
Nardonaphthalenones A and B (1-2), one new apo-α-carotenone (3) and four new monoterpenoids (4, 8-9 and 11), along with six known compounds (5-7, 10, 12-13) were isolated from the dried roots and rhizomes of Nardostachys chinensis Batal. Their structures were elucidated by analysis of the spectroscopic data including NMR, HRESIMS and circular dichroism data. Furthermore, the serotonin transporter (SERT)-regulating activities of these isolates were evaluated, among them compound 3 showed the strongest enhancement activity while compound 12 showed a moderate inhibition activity on SERT...
January 6, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28091902/nitrogen-oxide-endothelin-1-and-serotonin-in-the-blood-of-immature-spontaneously-hypertensive-rats
#7
M D Chibireva, G N Aflyatumova, V L Matveeva, D F Bilalova, O I Kuz'mina, D I Sadykova, R R Nigmatullina
Endothelial function is an early and sensitive marker of subclinical increase of BP in children and adolescents. It is associated with an imbalance of the key vasoactive factors (NO, endothelin-1, and serotonin). Immature spontaneously hypertensive rats (SHR line) are characterized by increased plasma concentrations of NO and endothelin-1 (by 14.7% and 2.9 times, respectively) and increased serotonin content in the plasma and platelets (by 2.7 and 2.3 times, respectively) in comparison with Wistar-Kyoto rats...
January 14, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091830/physio-pharmacological-investigations-about-the-anti-inflammatory-and-antinociceptive-efficacy-of-limonene-epoxide
#8
Antonia Amanda Cardoso de Almeida, Renan Oliveira Silva, Lucas Antonio Duarte Nicolau, Tarcísio Vieira de Brito, Damião Pergentino de Sousa, André Luiz Dos Reis Barbosa, Rivelilson Mendes de Freitas, Luciano da Silva Lopes, Jand-Venes Rolim Medeiros, Paulo Michel Pinheiro Ferreira
D-limonene epoxidation generates (+)-limonene epoxide, an understudied compound in the pharmacologically point of view. Herein, we investigated the anti-inflammatory and antinociceptive potentialities of (+)-limonene epoxide and suggested a mechanism of action. The anti-inflammatory potential was analyzed using agents to induce paw edema, permeability, and myeloperoxidase (MPO) activity. Pro-inflammatory cytokines and cell migration of peritoneal cells were also assessed. Antinociceptive effects were evaluated by writhing test induced by acetic acid, formalin, and hot plate assays and contribution of opioid pathways...
January 16, 2017: Inflammation
https://www.readbyqxmd.com/read/28090348/changes-in-hba1c-and-circulating-and-adipose-tissue-androgen-levels-in-overweight-obese-women-with-polycystic-ovary-syndrome-in-response-to-electroacupuncture
#9
E Stener-Victorin, M Maliqueo, M Soligo, V Protto, L Manni, E Jerlhag, M Kokosar, A Sazonova, C J Behre, M Lind, C Ohlsson, K Højlund, A Benrick
AIM: Insulin sensitivity is ~40% lower in women with polycystic ovary syndrome (PCOS) than in controls. We tested the hypothesis that 5 weeks of electroacupuncture treatment improves glucose regulation and androgen levels in overweight/obese women with PCOS. MATERIAL AND METHODS: Seventeen women with PCOS, aged 18 to 38 years, with a body mass index (BMI) ≥25 kg/m(2) and diagnosed with PCOS were included in this experimental and feasibility study and subjected to five weeks of electroacupuncture treatments three times/week...
December 2016: Obesity Science & Practice
https://www.readbyqxmd.com/read/28089628/crf1-but-not-glucocorticoid-receptor-antagonists-reduce-separation-induced-distress-vocalizations-in-guinea-pig-pups-and-crf-overexpressing-mouse-pups-a-combination-study-with-paroxetine
#10
P Monika Verdouw, Joantine C J van Esterik, Bernard W M M Peeters, Mark J Millan, Lucianne Groenink
RATIONALE: Given the large number of patients that does not respond sufficiently to currently available treatment for anxiety disorders, there is a need for improved treatment. OBJECTIVES: We evaluated the anxiolytic effects of corticotropin releasing factor (CRF)1 receptor antagonists and glucocorticoid receptor (GR) antagonists in the separation-induced vocalization test in guinea pigs and transgenic mice with central CRF overexpression. Furthermore, we explored effects of these drugs when given in combination with a suboptimal dose of a selective serotonin re-uptake inhibitor (SSRI)...
January 12, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28088648/the-influence-of-5-httlpr-transporter-genotype-on-amygdala-subgenual-anterior-cingulate-cortex-connectivity-in-autism-spectrum-disorder
#11
Francisco Velasquez, Jillian Lee Wiggins, Whitney I Mattson, Donna M Martin, Catherine Lord, Christopher S Monk
Social deficits in autism spectrum disorder (ASD) are linked to amygdala functioning and functional connection between the amygdala and subgenual anterior cingulate cortex (sACC) is involved in the modulation of amygdala activity. Impairments in behavioral symptoms and amygdala activation and connectivity with the sACC seem to vary by serotonin transporter-linked polymorphic region (5-HTTLPR) variant genotype in diverse populations. The current preliminary investigation examines whether amygdala-sACC connectivity differs by 5-HTTLPR genotype and relates to social functioning in ASD...
December 23, 2016: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/28088578/the-effect-of-long-term-hindlimb-unloading-on-the-expression-of-risk-neurogenes-encoding-elements-of-serotonin-dopaminergic-systems-and-apoptosis-comparison-with-the-effect-of-actual-spaceflight-on-mouse-brain
#12
E A Kulikova, V A Kulikov, N A Sinyakova, A V Kulikov, N K Popova
The study of spaceflight effects on the brain is technically complex concern; complicated by the problem of applying an adequate ground model. The most-widely used experimental model to study the effect of microgravity is the tail-suspension hindlimb unloading model; however, its compliance with the effect of actual spaceflight on the brain is still unclear. We evaluated the effect of one month hindlimb unloading on the expression of genes related to the brain neuroplasticity - brain neutotrophic factors (Gdnf, Cdnf), apoptotic factors (Bcl-xl, Bax), serotonin- and dopaminergic systems (5-HT2A, Maoa, Maob, Th, D1r, Comt), and compared the results with the data obtained on mice that spent one month in spaceflight on Russian biosatellite Bion-M1...
January 11, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28088287/insulin-like-growth-factor-binding-protein-3-deficiency-leads-to-behavior-impairment-with-monoaminergic-and-synaptic-dysfunction
#13
Hongmei Dai, Yu-Ichi Goto, Masayuki Itoh
Insulin-like growth factor binding protein (IGFBP)-3 regulates IGF bioactivity, induces apoptosis, and inhibits cell growth independent of IGFs, but the functional role of IGFBP3 in the brain is not clear. In the present study, we revealed the effect of IGFBP3 on the brain by characterizing the phenotype of Igfbp3-null mice. Compared with wild-type mice, Igfbp3-null mice had significantly decreased IGF-1 content in the brain but no change in weights of brain and body. In Igfbp3-null mice, the number of dendritic spines was significantly reduced, and the dendritic diameter was thickening...
January 10, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28088112/a-current-perspective-on-the-oncopreventive-and-oncolytic-properties-of-selective-serotonin-reuptake-inhibitors
#14
REVIEW
Daniel P Radin, Parth Patel
Current cancer research strongly focuses on identifying novel pathways that can be selectively exploited in the clinic and identifying drugs capable of exploiting cancer vulnerabilities. Occasionally, drugs identified to exploit a cancer-specific vulnerability are on the market for clinical indications in another disease area. Rebranding them as anti-cancer drugs is a process commonly referred to as drug repurposing and is typically a faster method than bringing a novel drug to market. Selective serotonin reuptake inhibitors (SSRIs) are primarily used for treating several types of depression, but over the past two decades mounting evidence suggests that drugs in this class have oncolytic properties and reduce the risk of certain cancers...
January 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28087766/control-of-amygdala-circuits-by-5-ht-neurons-via-5-ht-and-glutamate-co-transmission
#15
Ayesha Sengupta, Marco Bocchio, David M Bannerman, Trevor Sharp, Marco Capogna
: The serotonin (5-HT) system and the amygdala are key regulators of emotional behavior. Several lines of evidence suggest that 5-HT transmission in the amygdala is implicated in the susceptibility and drug treatment of mood disorders. Thus, elucidating the physiological mechanisms through which midbrain 5-HT neurons modulate amygdala circuits could be pivotal in understanding emotional regulation in health and disease. To shed light on these mechanisms, we performed patch-clamp recordings from basal amygdala (BA) neurons in brain slices from mice with channelrhodopsin (ChR2) genetically targeted to 5-HT neurons...
January 13, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28086815/antibiotics-induced-depletion-of-mice-microbiota-induces-changes-in-host-serotonin-biosynthesis-and-intestinal-motility
#16
Xiaolong Ge, Chao Ding, Wei Zhao, Lizhi Xu, Hongliang Tian, Jianfeng Gong, Minsheng Zhu, Jieshou Li, Ning Li
BACKGROUND: The gastrointestinal motility is affected by gut microbiota and the relationship between them has become a hot topic. However, mechanisms of microbiota in regulating motility have not been well defined. We thus investigated the effect of microbiota depletion by antibiotics on gastrointestinal motility, colonic serotonin levels, and bile acids metabolism. METHODS: After 4 weeks with antibiotics treatments, gastrointestinal and colon transit, defecation frequency, water content, and other fecal parameters were measured and analyzed in both wild-type and antibiotics-treated mice, respectively...
January 13, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28081325/plasma-levels-of-serotonin-gastrointestinal-symptoms-and-sleep-problems-in-children-with-autism
#17
Sorayya Kheirouri, Parinaz Kalejahi, Seyyed Gholamreza Noorazar
BACKGROUND/AIM: Autism is a neurodevelopmental disorder identified with higher frequency of serotonin abnormalities and gastrointestinal (GI) and sleep problems. This study aimed to evaluate the plasma levels of serotonin, GI symptoms, and sleep problems, and their relationship with autism severity in children with autism. MATERIALS AND METHODS: Thirty-five children with autism and 31 healthy subjects were studied. GI problems, sleep disorders, and severity of disorder were assessed...
December 20, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28080146/perceptions-vs-evidence-therapeutic-substitutes-for-antipsychotics-in-patients-with-dementia-in-long-term-care
#18
Brianne L Olivieri-Mui, John W Devlin, Aileen Ochoa, Danielle Schenck, Becky Briesacher
OBJECTIVE: To compare differences between clinician perceptions of therapeutic substitutes for antipsychotics prescribed to patients with dementia in long term care (LTC) and published evidence. METHODS: A mixed-methods approach that included a drug information search, online survey of 55 LTC clinicians and a comprehensive literature review was used. For 41 pharmacologic antipsychotic substitute candidates identified, LTC clinicians rated the likelihood they would substitute each for patients with dementia and identified non-pharmacologic antipsychotic substitutes...
January 12, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/28079753/synergistic-effects-of-serotonin-or-dopamine-combined-with-lidocaine-at-producing-nociceptive-block-in-rats
#19
Ching-Hsia Hung, Chong-Chi Chiu, Kuo-Sheng Liu, Yu-Wen Chen, Jhi-Joung Wang
BACKGROUND: The purpose of this experiment was to investigate the interactions of the local anesthetic lidocaine combined with an agent (serotonin or dopamine) as infiltrative anesthetics. METHODS: Cutaneous analgesia was characterized by the blockade of the cutaneous trunci muscle reflex following 6 skin pinpricks on the rat back. Serotonin or dopamine at producing cutaneous analgesia in a dosage-dependent fashion was compared with lidocaine. Drug-drug interactions were calculated using the isobolographic analysis...
January 11, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28079752/changes-in-dorsal-root-ganglion-gene-expression-in-response-to-spinal-cord-stimulation
#20
Dana M Tilley, David L Cedeño, Courtney A Kelley, Margaret DeMaegd, Ramsin Benyamin, Ricardo Vallejo
BACKGROUND AND OBJECTIVES: Spinal cord stimulation (SCS) has been shown to influence pain-related genes in the spinal cord directly under the stimulating electrodes. There is limited information regarding changes occurring at the dorsal root ganglion (DRG). This study evaluates gene expression in the DRG in response to SCS therapy. METHODS: Rats were randomized into experimental or control groups (n = 6 per group). Experimental animals underwent spared-nerve injury, implantation of lead, and continuous SCS (72 hours)...
January 11, 2017: Regional Anesthesia and Pain Medicine
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