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Mi L, Yuan Z, Que M, Yang Y, Fang S, Wang X. Observation of the short-term curative effect of using SuperPATH approach to treat elderly femoral neck fractures with schizophrenia. Acta Orthop Belg 2023; 89:639-643. [PMID: 38205754 DOI: 10.52628/89.4.9750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2024]
Abstract
As China enters an aging society, the incidence of femoral neck fractures is increasing year by year. For some patients, total hip arthroplasty (THA) is the treatment of choice for displaced femoral neck fractures. Schizophrenia is a common combination of elderly patients with femoral neck fractures, and there are few reports on the treatment. This study describes the short-term efficacy of the supercapsular percutaneously assisted (SuperPATH) approach in the treatment of patients suffered with displaced femoral neck fractures combined with schizophrenia. A retrospective analysis of 20 elderly patients with displaced femoral neck fractures combined with schizophrenia who underwent THA using the SuperPATH approach. Record demographic data, postoperative reexamination of X-ray film to observe the position and the loosening condition of the prosthesis, the length of hospitalization, complications in the hospital and after discharge. The Harris score of hip joint function was used to evaluate postoperative hip joint function. The average age of the 20 patients was 73.1 years. All patients were followed up by outpatient clinic or telephone. The follow-up time was 3-12 months, with an average of 9.2 months. There was no incision infection, no tissue structure damage such as important nerves and blood vessels, and no complications such as early dislocation, loosening of the joint prosthesis, and deep vein thrombosis of lower extremities. The efficacy of the last follow-up was evaluated according to the Harris score of hip joint function: an average of 91 points (78-98 points); 13 cases were excellent, 5 cases were good, and 2 cases were fair. The SuperPATH approach has the advantages of less surgical damage, shorter recovery time, good surgical safety, preserving the normal tension of the muscles around the hip joint, and reducing the incidence rate of early postoperative dislocation of the joint prosthesis. The THA of the SuperPATH approach can treat patients with displaced femoral neck fractures combined with schizophrenia safely and effectively.
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Peng D, Que M, Deng X, He Q, Zhao Y, Liao S, Li X, Qiu H. Mn 3O 4 nanoparticles decorated porous reduced graphene oxide with excellent oxidase-like activity for fast colorimetric detection of ascorbic acid. Mikrochim Acta 2023; 190:243. [PMID: 37247129 DOI: 10.1007/s00604-023-05822-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 05/04/2023] [Indexed: 05/30/2023]
Abstract
Mn3O4 nanoparticles composed of porous reduced graphene oxide nanosheets (Mn3O4@p-rGO) with enhanced oxidase-like activity were successfully fabricated through an in-situ approach for fast colorimetric detection of ascorbic acid (AA). The residual Mn2+ in the GO suspension of Hummers method was directly reused as the manganese source, improving the atom utilization efficiency. Benefiting from the uniform distribution of Mn3O4 nanoparticles on the surface of p-rGO nanosheets, the nanocomposite exhibited larger surface area, more active sites, and accelerated electron transfer efficiency, which enhanced the oxidase-like activity. Mn3O4@p-rGO nanocomposite efficiently activate dissolved O2 to generate singlet oxygen (1O2), leading to high oxidation capacity toward the substrate 3,3',5,5'-tetramethylbenzidine (TMB) without the extra addition of H2O2. Furthermore, the prominent absorption peak of the blue ox-TMB at 652 nm gradually decreased in the presence of AA, and a facile and fast colorimetric sensor was constructed with a good linear relationship (0.5-80 μM) and low LOD (0.278 μM) toward AA. Owing to the simplicity and excellent stability of the sensing platform, its practical application for AA detection in juices has shown good feasibility and reliability compared with HPLC and the 2, 4-dinitrophenylhydrazine colorimetric method. The oxidase-like Mn3O4@p-rGO provides a versatile platform for applications in food testing and disease diagnosis.
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Affiliation(s)
- Dong Peng
- School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Mingming Que
- School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Xiulong Deng
- School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Qifang He
- School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Yuhong Zhao
- School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Shuzhen Liao
- School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Xun Li
- School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Hongdeng Qiu
- School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, China.
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China.
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Peng D, Yang Y, Que M, Ding Y, Wu M, Deng X, He Q, Ma X, Li X, Qiu H. Partially oxidized MoS 2 nanosheets with high water-solubility to enhance the peroxidase-mimic activity for sensitive detection of glutathione. Anal Chim Acta 2023; 1250:340968. [PMID: 36898817 DOI: 10.1016/j.aca.2023.340968] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 02/07/2023] [Accepted: 02/10/2023] [Indexed: 02/17/2023]
Abstract
Surface oxidation engineering is an effective strategy to construct nanomaterials with enhanced biocatalytic activity. In this study, a facile one-pot oxidation strategy was proposed to synthesize partially oxidized molybdenum disulfide nanosheets (ox-MoS2 NSs), which exhibit good water solubility and can be used as an excellent peroxidase substitute. Under the oxidation process, Mo-S bonds are partially broke and S atoms are replaced by excess oxygen atoms, and the released abundant heat and gases efficiently expended the interlayer distance and weaken the van der Waals forces between adjacent layers. Porous ox-MoS2 NSs can be easily exfoliated by further sonication, and the nanosheets exhibits excellent water dispersibility and no obvious sediment appear even after store for months. Benefiting from the desirable affinity property with enzyme substrates, optimized electronic structure and prominent electron transfer efficiency, the ox-MoS2 NSs exhibit enhanced peroxidase-mimic activity. Furthermore, the ox-MoS2 NSs catalyzed 3,3',5,5'-tetramethylbenzidine (TMB) oxidation reaction could be inhibited by the redox reaction that take place between glutathione (GSH) as well as the direct interaction between GSH and ox-MoS2 NSs. Thus, a colorimetric sensing platform was constructed for GSH detection with good sensitivity and stability. This work provides a facile strategy for engineering structure of nanomaterials and improving enzyme-mimic performance.
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Affiliation(s)
- Dong Peng
- School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Yuhong Yang
- School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Mingming Que
- School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Ying Ding
- School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Mingzhu Wu
- School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Xiulong Deng
- School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Qifang He
- School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Xiaoming Ma
- School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, China
| | - Xun Li
- School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, China.
| | - Hongdeng Qiu
- School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, China; CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China.
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Huang B, Zhang Y, Que M, Xiao Y, Jiang Y, Yuan K, Chen Y. A facile in situ approach to ion gel based polymer electrolytes for flexible lithium batteries. RSC Adv 2017. [DOI: 10.1039/c7ra10268b] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A simple, effective and low-cost in situ synthesis strategy was developed to produce cross-linked ion gel based polymer electrolyte for flexible lithium-based batteries with highly improved electrochemical performance and safety.
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Affiliation(s)
- Bingyu Huang
- College of Chemistry
- Nanchang University
- Nanchang 330031
- China
| | - Youdi Zhang
- College of Chemistry
- Nanchang University
- Nanchang 330031
- China
| | - Mingming Que
- College of Chemistry
- Nanchang University
- Nanchang 330031
- China
| | - Yingbo Xiao
- College of Chemistry
- Nanchang University
- Nanchang 330031
- China
| | | | - Kai Yuan
- College of Chemistry
- Nanchang University
- Nanchang 330031
- China
- Jiangxi Provincial Key Laboratory of New Energy Chemistry/Institute of Polymers
| | - Yiwang Chen
- College of Chemistry
- Nanchang University
- Nanchang 330031
- China
- Jiangxi Provincial Key Laboratory of New Energy Chemistry/Institute of Polymers
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Tong Y, Xu Y, Chen D, Xie Y, Chen L, Que M, Hou Y. Deformable and flexible electrospun nanofiber-supported cross-linked gel polymer electrolyte membranes for high safety lithium-ion batteries. RSC Adv 2017. [DOI: 10.1039/c7ra00112f] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A deformable and flexible Li/CGPE/LiFePO4 cell based on CGPE-3 exhibited a high specific capacity and superior cycling stability for lithium-ion batteries.
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Affiliation(s)
- Yongfen Tong
- School of Environmental and Chemical Engineering
- Nanchang Hangkong University
- Nanchang 330063
- China
| | - Yuzhong Xu
- School of Environmental and Chemical Engineering
- Nanchang Hangkong University
- Nanchang 330063
- China
| | - Dian Chen
- School of Environmental and Chemical Engineering
- Nanchang Hangkong University
- Nanchang 330063
- China
| | - Yu Xie
- School of Environmental and Chemical Engineering
- Nanchang Hangkong University
- Nanchang 330063
- China
| | - Lie Chen
- College of Chemistry
- Nanchang University
- Nanchang 330031
- China
| | - Mingming Que
- College of Chemistry
- Nanchang University
- Nanchang 330031
- China
| | - Yang Hou
- Department of Chemistry and Food Chemistry
- Center for Advancing Electronics, Dresden (CFAED)
- Technische Universitaet Dresden
- 01062 Dresden
- Germany
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Yuan K, Xu Y, Uihlein J, Brunklaus G, Shi L, Heiderhoff R, Que M, Forster M, Chassé T, Pichler T, Riedl T, Chen Y, Scherf U. Straightforward Generation of Pillared, Microporous Graphene Frameworks for Use in Supercapacitors. Adv Mater 2015; 27:6714-6721. [PMID: 26413974 DOI: 10.1002/adma.201503390] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2015] [Revised: 07/30/2015] [Indexed: 06/05/2023]
Abstract
Microporous, pillared graphene-based frameworks are generated in a simple functionalization/coupling procedure starting from reduced graphene oxide. They are used for the fabrication of high-performance supercapacitor devices.
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Affiliation(s)
- Kai Yuan
- Bergische Universität Wuppertal, Macromolecular Chemistry Group (buwmakro) and Institute for Polymer Technology, Gauss-Str. 20, D-, 42119, Wuppertal, Germany
| | - Yazhou Xu
- College of Chemistry/Institute of Polymers, Nanchang University, 999 Xuefu Avenue, Nanchang, 330031, China
| | - Johannes Uihlein
- Institute of Physical and Theoretical Chemistry, University of Tübingen, Auf der Morgenstelle 18, D-72076, Tübingen, Germany
| | - Gunther Brunklaus
- Westfälische Wilhelms-Universität Münster, Institut für Physikalische Chemie, Corrensstr. 28, D-, 48149, Münster, Germany
| | - Lei Shi
- Electronic Properties of Materials, Faculty of Physics, University of Vienna, Strudlhofgasse 4, A-, 1090, Vienna, Austria
| | - Ralf Heiderhoff
- Institute of Electronic Devices, University of Wuppertal, Rainer-Gruenter-Str. 21, D-42119, Wuppertal, Germany
| | - Mingming Que
- College of Chemistry/Institute of Polymers, Nanchang University, 999 Xuefu Avenue, Nanchang, 330031, China
| | - Michael Forster
- Bergische Universität Wuppertal, Macromolecular Chemistry Group (buwmakro) and Institute for Polymer Technology, Gauss-Str. 20, D-, 42119, Wuppertal, Germany
| | - Thomas Chassé
- Institute of Physical and Theoretical Chemistry, University of Tübingen, Auf der Morgenstelle 18, D-72076, Tübingen, Germany
| | - Thomas Pichler
- Electronic Properties of Materials, Faculty of Physics, University of Vienna, Strudlhofgasse 4, A-, 1090, Vienna, Austria
| | - Thomas Riedl
- Institute of Electronic Devices, University of Wuppertal, Rainer-Gruenter-Str. 21, D-42119, Wuppertal, Germany
| | - Yiwang Chen
- College of Chemistry/Institute of Polymers, Nanchang University, 999 Xuefu Avenue, Nanchang, 330031, China
| | - Ullrich Scherf
- Bergische Universität Wuppertal, Macromolecular Chemistry Group (buwmakro) and Institute for Polymer Technology, Gauss-Str. 20, D-, 42119, Wuppertal, Germany
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Que M, Wang Y, Tong Y, Chen L, Wei J, Chen Y. Elastomers uploaded electrospun nanofibrous membrane as solid state polymer electrolytes for lithium-ion batteries. RSC Adv 2015. [DOI: 10.1039/c5ra14031e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Good electrochemical properties and reversible charge/discharge solid state composite electrolytes were achieved at high temperature by uploading 3PEG onto electrospun membranes.
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Affiliation(s)
- Mingming Que
- College of Chemistry/Institute of Polymers
- Nanchang University
- Nanchang 330031
- China
| | - Yijing Wang
- College of Chemistry/Institute of Polymers
- Nanchang University
- Nanchang 330031
- China
| | - Yongfen Tong
- College of Chemistry/Institute of Polymers
- Nanchang University
- Nanchang 330031
- China
- School of Environmental and Chemical Engineering
| | - Lie Chen
- College of Chemistry/Institute of Polymers
- Nanchang University
- Nanchang 330031
- China
| | - Junchao Wei
- College of Chemistry/Institute of Polymers
- Nanchang University
- Nanchang 330031
- China
| | - Yiwang Chen
- College of Chemistry/Institute of Polymers
- Nanchang University
- Nanchang 330031
- China
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8
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Téllez-Gabriel M, Navas L, León X, López-Pousa A, Que M, Barnadas A, Mangues R, Pavón M. PO-100: Identification of Head and Neck Carcinoma Cell Lines with a Mesenchymal Phenotype. Radiother Oncol 2013. [DOI: 10.1016/s0167-8140(15)34719-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Que M, Witte OW, Zilles K. Transient up-regulation of gamma-aminobutyric acid(A) receptor binding by lubeluzole after neocortical specify lesion in rats. Neurosci Lett 2000; 296:125-8. [PMID: 11108997 DOI: 10.1016/s0304-3940(00)01637-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The effect of the neuroprotective drug lubeluzole on cortical receptor binding was investigated in animals with photothrombotic ischemic lesions. Control animals were treated with the inactive stereoisomer of the drug. Lubeluzole was applied intravenously as a single bolus (0.31 mg/kg) followed by a 1-h infusion of 0.31 mg/kg. Lubeluzole selectively increased gamma-amino-butyric acid(A) (GABA(A)) receptor binding but had no significant and/or consistent effects on N-methyl-D-aspartate (NMDA), (+/-)-alpha-amino-3-hydroxy-5-methylisoxazole-4-propionic acid (AMPA), and kainate receptors. Lubeluzole caused a significant up-regulation of GABA(A) receptor binding in the lesioned area as well as in unimpaired cortical areas of both hemispheres. This effect appeared in the hours following the lesion and peaked at 24 h. Our findings suggest that reduced cortical excitability brought about by increased binding capacities of GABA(A) receptors may contribute to the neuroprotective effect of lubeluzole.
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Affiliation(s)
- M Que
- Institute of Medicine, Research Center Juelich, D-52425, Juelich, Germany.
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Abstract
Following focal brain lesions, complex adaptive processes take place in remote intact areas. The present study examines changes in NMDA (N-methyl-D-aspartate), AMPA ((+/-)-alpha-amino-3-hydroxy-5-methylisoxazole-4-propionic acid) and kainate receptors following focal photothrombotic ischemic lesions using quantitative receptor autoradiography. Increases in binding density of NMDA receptors were seen in both hemispheres for up to 30 days. In the contralateral hemisphere, this increase of NMDA receptors occurred as early as 4 h after lesion whereas it appeared with a delay for 14 days on the lesioned side. Binding density of [3H]AMPA and [3H]kainate was unchanged. We suggest that the translational process is differentially regulated by spreading depressions. The delayed up-regulation of NMDA receptor binding on the lesioned side may be due to a translation block similar to that previously described for GABA(A) receptor subunits.
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Affiliation(s)
- M Que
- C. & O. Vogt Institute of Brain Research, University of Düsseldorf, Germany.
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Que M, Witte OW, Neumann-Haefelin T, Schiene K, Schroeter M, Zilles K. Changes in GABA(A) and GABA(B) receptor binding following cortical photothrombosis: a quantitative receptor autoradiographic study. Neuroscience 1999; 93:1233-40. [PMID: 10501447 DOI: 10.1016/s0306-4522(99)00197-9] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Experimental cortical photothrombosis leads to pronounced alterations in the binding density of [3H]muscimol and [3H]baclofen to GABA(A) and GABA(B) receptors, both in the lesioned and the structurally intact cortex. The binding density of [3H]muscimol to GABA(A) receptors was markedly increased in the "core" of the lesion during the first week, reaching a maximum on the third day post-lesion. Simultaneously, it dropped in the exofocal primary somatosensory cortex. Reductions in the binding density of [3H]muscimol were also found in remote cortical areas of the contralateral hemisphere and lasted for several weeks. In contrast to the down-regulation of apparent binding density of [3H]muscimol, a long-lasting up-regulation of that of [3H]baclofen to GABA(B) receptors was measured in the exofocal primary somatosensory cortex and in remote cortical areas of both hemispheres. The greatest increase in the binding density of [3H]baclofen was seen on the seventh day in the surroundings of the lesion. Our findings indicate that widespread alterations in the concentrations of GABA(A) and GABA(B) receptors are induced in remote cortical areas by a focal ischaemic lesion. Since GABA(A) receptor affinity is regulated by nitric oxide, we suggest that the observed down-regulation of GABA(A) receptors may be correlated with a lesion-induced increase in nitric oxide, whereas the up-regulation of GABAB receptors might be caused by other mechanisms, e.g., compensatory processes. In the centre of the lesion, however, a GABA(A) receptor-mediated mechanism, which limits the spread of lesion-induced hyperexcitability, is thought to be involved.
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Affiliation(s)
- M Que
- C. & O. Vogt Institute of Brain Research, Düsseldorf, Germany.
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Poland RE, Lutchmansingh P, McGeoy S, Au D, Que M, Acosta S, Edelstein M, McCracken JT. Prenatal stress prevents the desensitization of the corticosterone response to TFMPP by desmethylimipramine, but not by phenelzine, in adult male offspring. Life Sci 1995; 57:2163-70. [PMID: 7475968 DOI: 10.1016/0024-3205(95)02208-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Gravid female rats were subjected to one hour of restraint stress twice daily or left undisturbed from days 14-21 of gestation. Adult 105-day old male non-stressed (NS) and stressed (S) offspring were treated once daily with saline, desipramine (DMI) (10 mg/kg, sc) or phenelzine (5.0 mg/kg, sc) for 14 days. Twenty-four hours after the last injection, animals were challenged with saline or 1-(m-trifluoromethylphenyl)piperazine (TFMPP) (5.0 mg/kg, sc), a serotonin1B/2C (5-HT1B/2C) agonist, and plasma prolactin and corticosterone concentrations were measured one hour later. As compared to acute saline administration, TFMPP significantly increased prolactin and corticosterone concentrations in all groups. In NS offspring, both DMI and phenelzine treatment augmented the prolactin response, but blunted the corticosterone response, to TFMPP. In S offspring, the prolactin response to TFMPP also was augmented by phenelzine or DMI treatment, whereas the corticosterone response to TFMPP was blunted during phenelzine treatment. However, DMI treatment was not able to desensitize the corticosterone response to TFMPP in the S rats. The results indicate the adaptive capacity of 5-HT systems to DMI administration was compromised in adult animals exposed to stress in utero.
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Affiliation(s)
- R E Poland
- Harbor-UCLA Medical Center, Department of Psychiatry, Torrance 90509, USA
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