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Angoa-Pérez M, Zagorac B, Francescutti DM, Shaffer ZD, Theis KR, Kuhn DM. Cocaine hydrochloride, cocaine methiodide and methylenedioxypyrovalerone (MDPV) cause distinct alterations in the structure and composition of the gut microbiota. Sci Rep 2023; 13:13754. [PMID: 37612353 PMCID: PMC10447462 DOI: 10.1038/s41598-023-40892-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 08/17/2023] [Indexed: 08/25/2023] Open
Abstract
Cocaine is a highly addictive psychostimulant drug of abuse that constitutes an ongoing public health threat. Emerging research is revealing that numerous peripheral effects of this drug may serve as conditioned stimuli for its central reinforcing properties. The gut microbiota is emerging as one of these peripheral sources of input to cocaine reward. The primary objective of the present study was to determine how cocaine HCl and methylenedioxypyrovalerone, both of which powerfully activate central reward pathways, alter the gut microbiota. Cocaine methiodide, a quaternary derivative of cocaine that does not enter the brain, was included to assess peripheral influences on the gut microbiota. Both cocaine congeners caused significant and similar alterations of the gut microbiota after a 10-day course of treatment. Contrary to expectations, the effects of cocaine HCl and MDPV on the gut microbiota were most dissimilar. Functional predictions of metabolic alterations caused by the treatment drugs reaffirmed that the cocaine congeners were similar whereas MDPV was most dissimilar from the other two drugs and controls. It appears that the monoamine transporters in the gut mediate the effects of the treatment drugs. The effects of the cocaine congeners and MDPV on the gut microbiome may form the basis of interoceptive cues that can influence their abuse properties.
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Affiliation(s)
- Mariana Angoa-Pérez
- Research and Development Service, John D. Dingell VA Medical Center, Detroit, MI, USA.
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Detroit, MI, USA.
| | - Branislava Zagorac
- Research and Development Service, John D. Dingell VA Medical Center, Detroit, MI, USA
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Detroit, MI, USA
| | - Dina M Francescutti
- Research and Development Service, John D. Dingell VA Medical Center, Detroit, MI, USA
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Detroit, MI, USA
| | - Zachary D Shaffer
- Department of Physiology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Kevin R Theis
- Department of Biochemistry, Microbiology, and Immunology, Wayne State University School of Medicine, Detroit, MI, USA
| | - Donald M Kuhn
- Research and Development Service, John D. Dingell VA Medical Center, Detroit, MI, USA
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Detroit, MI, USA
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2
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Activation of proline metabolism maintains ATP levels during cocaine-induced polyADP-ribosylation. Amino Acids 2021; 53:1903-1915. [PMID: 34417893 PMCID: PMC8651605 DOI: 10.1007/s00726-021-03065-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 08/06/2021] [Indexed: 01/30/2023]
Abstract
Cocaine is a commonly abused drug worldwide. Acute as well as repeated exposure to cocaine activates persistent cellular and molecular changes in the brain reward regions. The effects of cocaine are predominantly mediated via alterations in neuronal gene expression by chromatin remodeling. Poly(ADP-ribose) polymerase-1 (PARP-1) catalyzed PARylation of chromatin has been reported as an important regulator of cocaine-mediated gene expression. PARP-1 dependent ADP-ribosylation is an energy-dependent process. In this study, we investigated the cellular energy response to cocaine-induced upregulation of PARP-1 expression. Exposure of differentiated SH-SY5Y cells to varying concentrations of cocaine resulted in the induction of PARP-1 dependent PARylation of p53 tumor suppressor. Further analysis revealed that PARylation of p53 by cocaine treatment resulted in nuclear accumulation of p53. However, induction and nuclear accumulation of p53 did not correlate with neuronal apoptosis/cell death upon cocaine exposure. Interestingly, cocaine-induced p53 PARylation resulted in the induction of proline oxidase (POX)—a p53 responsive gene involved in cellular metabolism. Given that cocaine-induced p53 PARylation is an energy-dependent process, we observed that cocaine-induced PARP-1/p53/POX axes alters cellular energy metabolism. Accordingly, using pharmacological and genetic studies of PARP-1, p53, and POX, we demonstrated the contribution of POX in maintaining cellular energy during neuronal function. Collectively, these studies highlight activation of a novel metabolic pathway in response to cocaine treatment.
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Kim NJ, Ryu Y, Lee BH, Chang S, Fan Y, Gwak YS, Yang CH, Bills KB, Steffensen SC, Koo JS, Jang EY, Kim HY. Acupuncture inhibition of methamphetamine-induced behaviors, dopamine release and hyperthermia in the nucleus accumbens: mediation of group II mGluR. Addict Biol 2019; 24:206-217. [PMID: 29363229 DOI: 10.1111/adb.12587] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 10/22/2017] [Accepted: 11/20/2017] [Indexed: 01/19/2023]
Abstract
Methamphetamine (METH) increases metabolic neuronal activity in the mesolimbic dopamine (DA) system and mediates the reinforcing effect. To explore the underlying mechanism of acupuncture intervention in reducing METH-induced behaviors, we investigated the effect of acupuncture on locomotor activity, ultrasonic vocalizations, extracellular DA release in the nucleus accumbens (NAcs) using fast-scan cyclic voltammetry and alterations of brain temperature (an indicator of local brain metabolic activity) produced by METH administration. When acupuncture was applied to HT7, but not TE4, both locomotor activity and 50-kHz ultrasonic vocalizations were suppressed in METH-treated rats. Acupuncture at HT7 attenuated the enhancement of electrically stimulated DA release in the NAc of METH-treated rats. Systemic injection of METH produced a sustained increase in NAc temperature, which was reversed by the DA D1 receptor antagonist SCH 23390 or acupuncture at HT7. Acupuncture inhibition of METH-induced NAc temperature was prevented by pre-treatment with a group II metabotropic glutamate receptors (mGluR2/3) antagonist EGLU into the NAc or mimicked by injection of an mGluR2/3 agonist DCG-IV into the NAc. These results suggest that acupuncture reduces extracellular DA release and metabolic neuronal activity in the NAc through activation of mGluR2/3 and suppresses METH-induced affective states and locomotor behavior.
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Affiliation(s)
- Nam Jun Kim
- College of Korean Medicine; Daegu Haany University; Daegu Korea
| | - Yeonhee Ryu
- Acupuncture, Moxibustion & Meridian Research Center, Division of Standard Research; Korea Institute of Oriental Medicine; Daejeon Korea
| | - Bong Hyo Lee
- College of Korean Medicine; Daegu Haany University; Daegu Korea
| | - Suchan Chang
- College of Korean Medicine; Daegu Haany University; Daegu Korea
| | - Yu Fan
- College of Korean Medicine; Daegu Haany University; Daegu Korea
| | - Young S. Gwak
- College of Korean Medicine; Daegu Haany University; Daegu Korea
| | - Chae Ha Yang
- College of Korean Medicine; Daegu Haany University; Daegu Korea
| | - Kyle B. Bills
- Department of Psychology and Neuroscience; Brigham Young University; Provo UT USA
| | - Scott C. Steffensen
- Department of Psychology and Neuroscience; Brigham Young University; Provo UT USA
| | - Jin Suk Koo
- Department of Bioresource Science; Andong National University; Andong Korea
| | - Eun Young Jang
- College of Korean Medicine; Daegu Haany University; Daegu Korea
| | - Hee Young Kim
- College of Korean Medicine; Daegu Haany University; Daegu Korea
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4
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Jang EY, Ryu YH, Lee BH, Chang SC, Yeo MJ, Kim SH, Folsom RJ, Schilaty ND, Kim KJ, Yang CH, Steffensen SC, Kim HY. Involvement of reactive oxygen species in cocaine-taking behaviors in rats. Addict Biol 2015; 20:663-75. [PMID: 24975938 DOI: 10.1111/adb.12159] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Reactive oxygen species (ROS) have been implicated in the development of behavioral sensitization following repeated cocaine exposure. We hypothesized that increased ROS following cocaine exposure would act as signaling molecules in the mesolimbic dopamine (DA) system, which might play an important role in mediating the reinforcing effects of cocaine. The aim of this study was to evaluate cocaine enhancement of brain metabolic activity and the effects of ROS scavengers on cocaine self-administration behavior, cocaine-induced ROS production in the nucleus accumbens (NAc) and cocaine enhancement of DA release in the NAc. Metabolic neural activity monitored by temperature and oxidative stress were increased in NAc following cocaine exposure. Systemic administration of the ROS scavenger N-tert-butyl-α-phenylnitrone (PBN) or 4-hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPOL), either pre- or post-treatment, significantly decreased cocaine self-administration without affecting food intake. Infusion of TEMPOL into the NAc inhibited cocaine self-administration. Increased oxidative stress was found mainly on neurons, but not astrocytes, microglia or oligodendrocytes, in NAc of rats self-administering cocaine. TEMPOL significantly attenuated cocaine-induced enhancement of DA release in the NAc, compared to saline controls. TEMPOL had no effect on the enhancement of DA release produced by the DA transporter inhibitor GBR12909. Taken together, these findings suggest that enhancement of ROS production in NAc neurons contributes to the reinforcing effect of cocaine.
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Affiliation(s)
- Eun Young Jang
- College of Korean Medicine; Daegu Haany University; South Korea
- Department of Psychology; Center for Neuroscience; Brigham Young University; Provo UT USA
| | - Yeon-Hee Ryu
- Acupuncture, Moxibustion & Meridian Research Center; Division of Standard Research; Korea Institute of Oriental Medicine; South Korea
| | - Bong Hyo Lee
- College of Korean Medicine; Daegu Haany University; South Korea
| | - Su-Chan Chang
- College of Korean Medicine; Daegu Haany University; South Korea
| | - Mi Jin Yeo
- College of Korean Medicine; Daegu Haany University; South Korea
| | - Sang Hyun Kim
- College of Korean Medicine; Daegu Haany University; South Korea
| | - Ryan J. Folsom
- Department of Psychology; Center for Neuroscience; Brigham Young University; Provo UT USA
| | - Nathan D. Schilaty
- Department of Psychology; Center for Neuroscience; Brigham Young University; Provo UT USA
| | - Kwang Joong Kim
- College of Korean Medicine; Daegu Haany University; South Korea
| | - Chae Ha Yang
- College of Korean Medicine; Daegu Haany University; South Korea
| | - Scott C. Steffensen
- Department of Psychology; Center for Neuroscience; Brigham Young University; Provo UT USA
| | - Hee Young Kim
- College of Korean Medicine; Daegu Haany University; South Korea
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Liu LN, Zhu FP, Song MY, Kang XJ, Shang SJ, Zhang XY, Xu HD, Teng SS, Liu B, Kuo ST, Liu W, Li ML, Zhou L, Jiao RY, Wang CH, Wang SR, Yang H, Zhang B, Zhou Z, Xu ZQD. Effect of cocaine on ion channels and glutamatergic EPSCs in noradrenergic locus coeruleus neurons. J Mol Neurosci 2013; 53:345-51. [PMID: 24214104 DOI: 10.1007/s12031-013-0159-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2013] [Accepted: 10/21/2013] [Indexed: 11/27/2022]
Abstract
The locus coeruleus (LC) is an important brainstem area involved in cocaine addiction. However, evidence to elucidate how cocaine modulates the activity of LC neurons remains incomplete. Here, we performed whole recordings in brain slices to evaluate the effects of cocaine on the sodium (Na(+)), potassium (K(+)), calcium (Ca(2+)) channels, and glutamatergic synaptic transmission in the locus coeruleus neurons. Local application of cocaine significantly and reversibly reduced the spontaneous firing rate but did not affect action potential amplitude, rising time, decay time, or half width of noradrenergic locus coeruleus neurons. Moreover, cocaine attenuated the sodium current but did not affect potassium and calcium currents. The N-methyl-D-aspartate receptor mediated excitatory postsynaptic currents were reduced by neuropeptide galanin but not cocaine. All those data demonstrate that cocaine has inhibitory effect on the spontaneous activities and sodium current in locus coeruleus neurons. Therefore, neuromodulation of sodium channel in locus coeruleus neurons may play an important role in drug addiction.
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Affiliation(s)
- L N Liu
- Department of Neurobiology, Beijing Institute for Brain Disorders, Beijing Center for Neural Regeneration and Repairing and Beijing Key Laboratory of Major Brain Disorders, Capital Medical University, Beijing, China
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6
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Mejías-Aponte CA, Kiyatkin EA. Ventral tegmental area neurons are either excited or inhibited by cocaine's actions in the peripheral nervous system. Neuroscience 2012; 207:182-97. [PMID: 22300980 DOI: 10.1016/j.neuroscience.2012.01.026] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2011] [Revised: 01/10/2012] [Accepted: 01/11/2012] [Indexed: 01/13/2023]
Abstract
Cocaine's multiple pharmacological substrates are ubiquitously present in the peripheral and central nervous system. Thus, upon its administration, cocaine acts in the periphery before directly acting in the brain. We determined whether cocaine alters ventral tegmental area (VTA) neuronal activity via its peripheral actions. In urethane-anesthetized rats, we recorded VTA neuron's responses to intravenous injections of two cocaine analogs: cocaine-hydrochloride (HCl, 0.25 mg/kg), which readily cross the blood-brain barrier (BBB), and cocaine-methiodide (MI, 0.33 mg/kg), which does not cross the BBB. Both cocaine analogs produced sustained changes in discharge rates that began 5 s after the initiation of a 10-s drug infusion. Within the first 90 s post-injection, the magnitudes of neuronal responsiveness of both cocaine analogs were comparable, but later the effects of cocaine-HCl were stronger and persisted longer than those of cocaine-MI. The proportion of neurons responsive to cocaine-HCl was twice that of cocaine-MI (74% and 35%, respectively). Both analogs also differed in their response onsets. Cocaine-MI rarely evoked responses after 1 min, whereas cocaine-HCl continued to evoke responses within 3 min post-injection. VTA neurons were either excited or inhibited by both cocaine analogs. Most units responsive to cocaine-MI, regardless of whether they were excited or inhibited, had electrophysiological characteristics of putative dopamine (DA) neurons. Units inhibited by cocaine-HCl also had characteristics of DA neurons, whereas excited neurons had widely varying action potential durations and discharge rates. Cocaine-MI and cocaine-HCl each produced changes in VTA neuron activity under full DA receptor blockade. However, the duration of inhibition was shortened and the number of excitations increased, and they occurred with an earlier onset during DA receptor blockade. These findings indicate that cocaine acts peripherally with a short latency and alters the activity of VTA neurons before its well-known direct actions in the brain.
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Affiliation(s)
- C A Mejías-Aponte
- Behavioral Neuroscience Branch, Intramural Research Program, National Institute on Drug Abuse, NIH/DHHS, Triad Technology Center Suite 2200, 333 Cassell Dr., Baltimore, MD 21224, USA.
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Steffensen SC, Taylor SR, Horton ML, Barber EN, Lyle LT, Stobbs SH, Allison DW. Cocaine disinhibits dopamine neurons in the ventral tegmental area via use-dependent blockade of GABA neuron voltage-sensitive sodium channels. Eur J Neurosci 2009; 28:2028-40. [PMID: 19046384 DOI: 10.1111/j.1460-9568.2008.06479.x] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The aim of this study was to evaluate the effects of cocaine on gamma-aminobutyric acid (GABA) and dopamine (DA) neurons in the ventral tegmental area (VTA). Utilizing single-unit recordings in vivo, microelectrophoretic administration of DA enhanced the firing rate of VTA GABA neurons via D2/D3 DA receptor activation. Lower doses of intravenous cocaine (0.25-0.5 mg/kg), or the DA transporter (DAT) blocker methamphetamine, enhanced VTA GABA neuron firing rate via D2/D3 receptor activation. Higher doses of cocaine (1.0-2.0 mg/kg) inhibited their firing rate, which was not sensitive to the D2/D3 antagonist eticlopride. The voltage-sensitive sodium channel (VSSC) blocker lidocaine inhibited the firing rate of VTA GABA neurons at all doses tested (0.25-2.0 mg/kg). Cocaine or lidocaine reduced VTA GABA neuron spike discharges induced by stimulation of the internal capsule (ICPSDs) at dose levels 0.25-2 mg/kg (IC(50) 1.2 mg/kg). There was no effect of DA or methamphetamine on ICPSDs, or of DA antagonists on cocaine inhibition of ICPSDs. In VTA GABA neurons in vitro, cocaine reduced (IC(50) 13 microm) current-evoked spikes and TTX-sensitive sodium currents in a use-dependent manner. In VTA DA neurons, cocaine reduced IPSCs (IC(50) 13 microm), increased IPSC paired-pulse facilitation and decreased spontaneous IPSC frequency, without affecting miniature IPSC frequency or amplitude. These findings suggest that cocaine acts on GABA neurons to reduce activity-dependent GABA release on DA neurons in the VTA, and that cocaine's use-dependent blockade of VTA GABA neuron VSSCs may synergize with its DAT inhibiting properties to enhance mesolimbic DA transmission implicated in cocaine reinforcement.
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Affiliation(s)
- Scott C Steffensen
- Department of Psychology, Brigham Young University, Provo, UT 84602, USA.
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Smirnov MS, Kiyatkin EA. Fluctuations in central and peripheral temperatures associated with feeding behavior in rats. Am J Physiol Regul Integr Comp Physiol 2008; 295:R1415-24. [PMID: 18799633 DOI: 10.1152/ajpregu.90636.2008] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
We examined the pattern of temperature fluctuations in the nucleus accumbens (NAcc), temporal muscle, and skin, along with locomotion in food-deprived and nondeprived rats following the presentation of an open or closed food container and during subsequent eating or food-seeking behavior without eating. Although rats in food-deprived, quiet resting conditions had more than twofold lower spontaneous locomotion and lower temperature values than in nondeprived conditions, after presentation of a container, they consistently displayed food-seeking behavior, showing much larger and longer temperature changes. When the container was open, rats rapidly retrieved food and consumed it. Food consumption was preceded and accompanied by gradual increases in brain and muscle temperatures ( approximately 1.5 degrees C) and a weaker, delayed increase in skin temperature ( approximately 0.8 degrees C). All temperatures began to rapidly fall immediately after eating was completed, but NAcc and muscle temperatures returned to baseline after approximately 35 min. When the container was closed and rats were unable to obtain food, they continued food-seeking activity during the entire period of presentation. Similar to eating, this activity was preceded and accompanied by gradual temperature increases in the brain and muscle, which were somewhat smaller than those during eating ( approximately 1.2 degrees C), with no changes in skin temperature. In contrast to trials with eating, NAcc and muscle temperatures continued to increase for approximately 10 min after the container was removed from the cage and the rat continued food-seeking behavior, with a return to baselines after approximately 50 min. These temperature fluctuations are discussed with respect to alterations in metabolic brain activity associated with feeding behavior, depending upon deprivation state and food availability.
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Affiliation(s)
- Michael S Smirnov
- Behavioral Neuroscience Branch, National Institute on Drug Abuse-Intramural Research Program, National Institutes of Health, DHHS, 5500 Nathan Shock Drive, Baltimore, Maryland 21224, USA
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Budygin EA. Dopamine uptake inhibition is positively correlated with cocaine-induced stereotyped behavior. Neurosci Lett 2007; 429:55-8. [PMID: 17980487 DOI: 10.1016/j.neulet.2007.09.064] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2007] [Revised: 09/20/2007] [Accepted: 09/27/2007] [Indexed: 11/25/2022]
Abstract
Fast-scan cyclic voltammetry on freely moving rats was used to determine whether a correlation exists between the increase in stereotyped behavior and dopamine (DA) uptake inhibition following cocaine (20 mg/kg, i.p.) administration. Voltammetric recordings were performed every 100 ms at a carbon fiber microelectrode, positioned in the nucleus accumbens. The present experiments revealed that the time course of the changes in K(m) strictly parallels the time course of the increase in stereotypy after cocaine. More importantly, the magnitudes of cocaine-stimulated stereotypy were positively and significantly correlated with the K(m) increases. Therefore, these data closely link the DA transporter inhibition with cocaine-induced stereotypy.
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Affiliation(s)
- Evgeny A Budygin
- Department of Physiology and Pharmacology, Wake Forest University Health Sciences, Winston-Salem, NC 27157, United States.
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Yamashita A, Kunimatsu T, Yamamoto T, Yoshida KI. Hypothermic, but not normothermic, ischemia causes a drastic increase in cyclooxygenase-2 immunoreactive granule cells in rat dentate gyrus after 4 hours of ischemic reperfusion. ACTA ACUST UNITED AC 2007; 70:197-205. [DOI: 10.1679/aohc.70.197] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Anzu Yamashita
- Division of Anesthesiology, Department of Clinical Care Medicine, Kanagawa Dental College
| | - Teruhito Kunimatsu
- Division of Anesthesiology, Department of Clinical Care Medicine, Kanagawa Dental College
| | - Toshiharu Yamamoto
- Department of Human Biology, Kanagawa Dental College
- Research Center of Brain and Oral Science, Kanagawa Dental College
| | - Kazu-ichi Yoshida
- Division of Anesthesiology, Department of Clinical Care Medicine, Kanagawa Dental College
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