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Sadighi M, Mai L, Xu Y, Boillot M, Targa G, Mottarlini F, Brambilla P, Gass P, Caffino L, Fumagalli F, Homberg JR. Chronic exposure to imipramine induces a switch from depression-like to mania-like behavior in female serotonin transporter knockout rats: Role of BDNF signaling in the infralimbic cortex. J Affect Disord 2024; 351:128-142. [PMID: 38280571 DOI: 10.1016/j.jad.2024.01.186] [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] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 01/08/2024] [Accepted: 01/18/2024] [Indexed: 01/29/2024]
Abstract
BACKGROUND Bipolar disorder (BD) is a highly burdensome psychiatric disorder characterized by alternating states of mania and depression. A major challenge in the clinic is the switch from depression to mania, which is often observed in female BD patients during antidepressant treatment such as imipramine. However, the underlying neural basis is unclear. METHODS To investigate the potential neuronal pathways, serotonin transporter knockout (SERT KO) rats, an experimental model of female BD patients, were subjected to a battery of behavioral tests under chronic treatment of the antidepressant imipramine. In addition, the expression of brain-derived neurotrophic factor (BDNF) and its downstream signaling was examined in the prefrontal cortex. RESULTS Chronic exposure to imipramine reduced anxiety and sociability and problem-solving capacity, and increased thigmotaxis and day/night activity in all animals, but specifically in female SERT KO rats, compared to female wild-type (WT) rats. Further, we found an activation of BDNF-TrkB-Akt pathway signaling in the infralimbic, but not prelimbic, cortex after chronic imipramine treatment in SERT KO, but not WT, rats. LIMITATIONS Repeated testing behaviors could potentially affect the results. Additionally, the imipramine induced changes in behavior and in the BDNF system were measured in separate animals. CONCLUSIONS Our study indicates that female SERT KO rats, which mirror the female BD patients with the 5-HTTLPR s-allele, are at higher risk of a switch to mania-like behaviors under imipramine treatment. Activation of the BDNF-TrkB-Akt pathway in the infralimbic cortex might contribute to this phenotype, but causal evidence remains to be provided.
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Affiliation(s)
- Mina Sadighi
- Department of Cognitive Neuroscience, Radboud University Medical Center, Donders Institute for Brain, Cognition, and Behaviour, Nijmegen, the Netherlands
| | - Lingling Mai
- Department of Cognitive Neuroscience, Radboud University Medical Center, Donders Institute for Brain, Cognition, and Behaviour, Nijmegen, the Netherlands
| | - Yifan Xu
- Department of Cognitive Neuroscience, Radboud University Medical Center, Donders Institute for Brain, Cognition, and Behaviour, Nijmegen, the Netherlands
| | - Morgane Boillot
- Department of Cognitive Neuroscience, Radboud University Medical Center, Donders Institute for Brain, Cognition, and Behaviour, Nijmegen, the Netherlands
| | - Giorgia Targa
- Department of Pharmacological and Biomolecular Sciences 'Rodolfo Paoletti', Università degli Studi di Milano, Milan, Italy
| | - Francesca Mottarlini
- Department of Pharmacological and Biomolecular Sciences 'Rodolfo Paoletti', Università degli Studi di Milano, Milan, Italy
| | - Paolo Brambilla
- Department of Neurosciences and Mental Health, Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milan, Italy; Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
| | - Peter Gass
- Department of Psychiatry and Psychotherapy, RG Animal Models in Psychiatry, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Lucia Caffino
- Department of Pharmacological and Biomolecular Sciences 'Rodolfo Paoletti', Università degli Studi di Milano, Milan, Italy
| | - Fabio Fumagalli
- Department of Pharmacological and Biomolecular Sciences 'Rodolfo Paoletti', Università degli Studi di Milano, Milan, Italy
| | - Judith R Homberg
- Department of Cognitive Neuroscience, Radboud University Medical Center, Donders Institute for Brain, Cognition, and Behaviour, Nijmegen, the Netherlands.
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Stachowicz K, Pańczyszyn-Trzewik P, Misztak P, Rzeźniczek S, Sowa-Kućma M. Cyclooxygenase-2 inhibition affects the ratio of GluN2A/GluN2B receptor subunits through interaction with mGluR5 in the mouse brain. Neuropeptides 2024; 104:102409. [PMID: 38244260 DOI: 10.1016/j.npep.2024.102409] [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] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 01/10/2024] [Accepted: 01/14/2024] [Indexed: 01/22/2024]
Abstract
N-methyl-D-aspartic acid receptors (NMDARs) are the most studied receptors in mammalian brains. Their role in depression, cognition, schizophrenia, learning and memorization, Alzheimer's disease, and more is well documented. In the search for new drug candidates in depression, intensive studies have been conducted. Compounds that act by influencing NMDARs have been particularly intensively investigated following the success of ketamine in clinics. Unfortunately, the side effects associated with ketamine do not allow it to be useful in all cases. Therefore, it is important to learn about new unknown mechanisms related to NMDAR activation and study the impact of changes in the excitatory synapse environment on this receptor. Both direct and intermediary influence on NMDARs via mGluRs and COX-2 are effective. Our prior studies showed that both mGluRs ligands and COX-2 inhibitors are potent in depression-like and cognitive studies through mutual interactions. The side effects associated with imipramine administration, e.g., memory impairment, were improved when inhibiting COX-2. Therefore, this study is a trial that involves searching for modifications in NMDARs in mouse brains after prolonged treatment with MTEP (mGluR5 antagonist), NS398 (COX-2 inhibitor), or imipramine (tricyclic antidepressant). The prefrontal cortex (PFC) and hippocampus (HC) were selected for PCR and Western blot analyses. Altered expression of Gin2a or Grin2b genes after treatment was found. The observed effects were more potent when COX-2 was inhibited. The finding described here may be vital when searching for new drugs acting via NMDARs without the side effects related to cognition.
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Affiliation(s)
- Katarzyna Stachowicz
- Maj Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, Kraków 31-343, Poland.
| | - Patrycja Pańczyszyn-Trzewik
- Medical College of Rzeszów University, Institute of Medical Sciences, Department of Human Physiology, 35-310 Rzeszow, Kopisto Street 2a, Poland
| | - Paulina Misztak
- Maj Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, Kraków 31-343, Poland
| | - Szymon Rzeźniczek
- Maj Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, Kraków 31-343, Poland
| | - Magdalena Sowa-Kućma
- Medical College of Rzeszów University, Institute of Medical Sciences, Department of Human Physiology, 35-310 Rzeszow, Kopisto Street 2a, Poland
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Khan FA, Smick S, Werners-Butler C, Karasek I, Beckford G, Winchester N, Khanam A. Comparison of two pharmacological protocols for inducing ex copula ejaculation in donkeys. J Equine Vet Sci 2024; 133:105004. [PMID: 38224790 DOI: 10.1016/j.jevs.2024.105004] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 01/12/2024] [Accepted: 01/12/2024] [Indexed: 01/17/2024]
Abstract
This study aimed to compare the efficacy of two pharmacological protocols for inducing ex copula ejaculation in donkeys. Seven healthy jacks (male donkeys) aged 4 to 20 years (median 8 years) and weighing 136.2±4.17 kg (mean±SE) were enrolled. Using a crossover design, each jack was subjected in a random order to two treatment protocols (IX and IDO) with an interval of 7 days between the two protocols. Each jack was orally administered 3 mg/kg imipramine hydrochloride followed 2 hours later by intravenous (IV) administration of 1.1 mg/kg xylazine hydrochloride (IX protocol) or 0.02 mg/kg detomidine hydrochloride and 20 IU total dose oxytocin (IDO protocol). The jacks were monitored for behavioral changes and ejaculation up to 3 hours from the beginning of each protocol. A total of 22 ex copula ejaculation replicates were attempted. Both protocols resulted in deep sedation and partial to complete penile protrusion in all jacks. There was no difference in the efficacy with the IX protocol inducing ejaculation in 1 of the 11 replicates and the IDO protocol inducing ejaculation in none of the 11 replicates. The results suggest that neither of the two tested pharmacological protocols were effective in inducing ex copula ejaculation in donkeys.
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Affiliation(s)
- Firdous A Khan
- Department of Large Animal Medicine and Surgery, School of Veterinary Medicine, St. George's University, Grenada.
| | - Stephanie Smick
- Department of Large Animal Medicine and Surgery, School of Veterinary Medicine, St. George's University, Grenada
| | - Catherine Werners-Butler
- Department of Large Animal Medicine and Surgery, School of Veterinary Medicine, St. George's University, Grenada
| | - Inga Karasek
- Department of Large Animal Medicine and Surgery, School of Veterinary Medicine, St. George's University, Grenada
| | - Gabrielle Beckford
- Department of Large Animal Medicine and Surgery, School of Veterinary Medicine, St. George's University, Grenada
| | - Nyoni Winchester
- Department of Large Animal Medicine and Surgery, School of Veterinary Medicine, St. George's University, Grenada
| | - Afroza Khanam
- Department of Large Animal Medicine and Surgery, School of Veterinary Medicine, St. George's University, Grenada.
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Hanna DA, Messiha BAS, Abo-Saif AA, Ali FEM, Azouz AA. Lysosomal membrane stabilization by imipramine attenuates gentamicin-induced renal injury: Enhanced LAMP2 expression, down-regulation of cytoplasmic cathepsin D and tBid/cytochrome c/cleaved caspase-3 apoptotic signaling. Int Immunopharmacol 2024; 126:111179. [PMID: 37995569 DOI: 10.1016/j.intimp.2023.111179] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 10/13/2023] [Accepted: 11/01/2023] [Indexed: 11/25/2023]
Abstract
Nephrotoxicity is a serious complication commonly encountered with gentamicin (GTM) treatment. Permeabilization of lysosomes with subsequent cytoplasmic release of GTM and cathepsins is considered a crucial issue in progression of GTM toxicity. This study was designed to evaluate the prospective defensive effect of lysosomal membrane stabilization by imipramine (IMP) against GTM nephrotoxicity in rats. GTM (30 mg/kg/h) was intraperitoneally administered over 4 h daily (120 mg/kg/day) for 7 days. IMP (30 mg/kg/day) was orally administered for 14 days; starting 7 days before and then concurrently with GTM. On 15th day, samples (urine, blood, kidney) were collected to estimate biomarkers of kidney function, lysosomal stability, apoptosis, and inflammation. IMP administration to GTM-treated rats ameliorated the disruption in lysosomal membrane stability induced by GTM. That was evidenced by enhanced renal protein expressions of LAMP2 and PI3K, but reduced cathepsin D cytoplasmic expression in kidney sections. Besides, IMP guarded against apoptosis in GTM-treated rats by down-regulation of the pro-apoptotic (tBid, Bax, cytochrome c) and the effector cleaved caspase-3 expressions, while the anti-apoptotic Bcl-2 expression was enhanced. Additionally, the inflammatory cascade p38 MAPK/NF-κB/TNF-α was attenuated in GTM + IMP group along with marked improvement in kidney function biomarkers, compared to GTM group. These findings were supported by the obvious improvement in histological architecture. Furthermore, in vitro enhancement of the antibacterial activity of GTM by IMP confers an additional benefit to their combination. Conclusively, lysosomal membrane stabilization by IMP with subsequent suppression of tBid/cytochrome c/cleaved caspase-3 apoptotic signaling could be a promising protective strategy against GTM nephrotoxicity.
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Affiliation(s)
- Dina A Hanna
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Nahda University, Beni-Suef, Egypt; Department of Pharmacology and Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt
| | - Basim A S Messiha
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt
| | - Ali A Abo-Saif
- Department of Pharmacology, Faculty of Medicine, Al-Azhar University, Cairo, Egypt
| | - Fares E M Ali
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut 71524, Egypt
| | - Amany A Azouz
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt.
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Hsu LC, Lin CN, Hsu FT, Chen YT, Chang PL, Hsieh LL, Wang HY, Lin KH, Hsiao HC, Tu HF. Imipramine Suppresses Tumor Growth and Induces Apoptosis in Oral Squamous Cell Carcinoma: Targeting Multiple Processes and Signaling Pathways. Anticancer Res 2023; 43:3987-3996. [PMID: 37648317 DOI: 10.21873/anticanres.16586] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Revised: 07/22/2023] [Accepted: 07/25/2023] [Indexed: 09/01/2023]
Abstract
BACKGROUND/AIM Oral squamous cell carcinoma (OSCC) has limited treatment options. This study investigated imipramine, a tricyclic antidepressant, as a potential therapy for OSCC using a SAS-bearing xenograft animal model. MATERIALS AND METHODS The SAS-bearing xenograft model evaluated imipramine's impact on tumor growth. The control group received no treatment, while the imipramine-treated group received regular doses. Tumor growth, confirmed by imaging, and histological analysis assessed size and weight. Imipramine's effects on apoptosis, epithelial-to-mesenchymal transition (EMT), and transcription factors (AKT, ERK, STAT3) were analyzed. RESULTS Imipramine significantly suppressed tumor growth within 6 days of treatment, with sustained activity. Computer tomography (CT) scans and histology confirmed reduced size and weight by imipramine. Imipramine induced apoptosis via caspase-dependent/-independent pathways, inhibited EMT, and down-regulated phosphorylated AKT, ERK, and STAT3. CONCLUSION Imipramine shows promise as an effective OSCC therapy, inhibiting tumor growth, inducing apoptosis, and inhibiting EMT. Its impact on transcription factors and modulation of the AKT/ERK/STAT3 pathway suggest a multifaceted approach.
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Affiliation(s)
- Li-Cho Hsu
- Department of Medicine, National Yang-Ming Chiao-Tung University Hospital, Yilan, Taiwan, R.O.C
| | - Ching Ni Lin
- Department of Nuclear Medicine, Show Chwan Memorial Hospital, Changhua, Taiwan, R.O.C
| | - Fei-Ting Hsu
- Department of Biological Science and Technology, China Medical University, Taichung, Taiwan, R.O.C
| | - Ying-Tzu Chen
- Department of Biological Science and Technology, China Medical University, Taichung, Taiwan, R.O.C
| | - Po-Lung Chang
- Department of Biological Science and Technology, China Medical University, Taichung, Taiwan, R.O.C
| | - Ling-Ling Hsieh
- Department of Medical Imaging and Radiological Sciences, Central Taiwan University of Science and Technology, Taichung, Taiwan, R.O.C
| | - Hsiao-Yu Wang
- Department of Medical Imaging and Radiological Sciences, Central Taiwan University of Science and Technology, Taichung, Taiwan, R.O.C
- Department of Radiation Oncology, Chang Bing Show Chwan Memorial Hospital, Changhua, Taiwan, R.O.C
| | - Kuang-Hsuan Lin
- Department of Radiation Oncology, Chang Bing Show Chwan Memorial Hospital, Changhua, Taiwan, R.O.C.;
| | - Hsin-Chang Hsiao
- Department of Otolaryngology, Head and Neck Surgery, Show Chwan Memorial Hospital, Changhua, Taiwan, R.O.C.;
| | - Hsi-Feng Tu
- Department of Dentistry, Dental School, National Yang Ming Chiao Tung University, Taipei, Taiwan, R.O.C.;
- Department of Dentistry, National Yang Ming Chiao Tung University Hospital, Yilan, Taiwan, R.O.C
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Crivelli SM, Quadri Z, Vekaria HJ, Zhu Z, Tripathi P, Elsherbini A, Zhang L, Sullivan PG, Bieberich E. Inhibition of acid sphingomyelinase reduces reactive astrocyte secretion of mitotoxic extracellular vesicles and improves Alzheimer's disease pathology in the 5xFAD mouse. Acta Neuropathol Commun 2023; 11:135. [PMID: 37605262 PMCID: PMC10440899 DOI: 10.1186/s40478-023-01633-7] [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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 08/05/2023] [Indexed: 08/23/2023] Open
Abstract
In Alzheimer's disease (AD), reactive astrocytes produce extracellular vesicles (EVs) that affect mitochondria in neurons. Here, we show that Aβ-induced generation of the sphingolipid ceramide by acid sphingomyelinase (A-SMase) triggered proinflammatory cytokine (C1q, TNF-α, IL-1α) release by microglia, which induced the reactive astrocytes phenotype and secretion of EVs enriched with ceramide. These EVs impeded the capacity of neurons to respond to energy demand. Inhibition of A-SMase with Arc39 and Imipramine reduced the secretion of cytokines from microglia, prompting us to test the effect of Imipramine on EV secretion and AD pathology in the 5xFAD mouse model. Brain derived-EVs from 5xFAD mice treated with Imipramine contained reduced levels of the astrocytic marker GFAP, ceramide, and Aβ and did not impair mitochondrial respiration when compared to EVs derived from untreated 5xFAD brain. Consistently, Imipramine-treated 5xFAD mice showed reduced AD pathology. Our study identifies A-SMase inhibitors as potential AD therapy by preventing cyotokine-elicited secretion of mitotoxic EVs from astrocytes.
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Affiliation(s)
- Simone M Crivelli
- Department of Physiology, University of Kentucky College of Medicine, 780 Rose Street MS519, Lexington, KY, 40536, USA
| | - Zainuddin Quadri
- Department of Physiology, University of Kentucky College of Medicine, 780 Rose Street MS519, Lexington, KY, 40536, USA
| | - Hemendra J Vekaria
- Department of Neuroscience, University of Kentucky, Lexington, KY, 40536, USA
- Spinal Cord and Brain Injury Research Center (SCoBIRC), University of Kentucky, Lexington, KY, USA
- Veterans Affairs Medical Center, Lexington, KY, 40502, USA
| | - Zhihui Zhu
- Department of Physiology, University of Kentucky College of Medicine, 780 Rose Street MS519, Lexington, KY, 40536, USA
| | - Priyanka Tripathi
- Department of Physiology, University of Kentucky College of Medicine, 780 Rose Street MS519, Lexington, KY, 40536, USA
| | - Ahmed Elsherbini
- Department of Physiology, University of Kentucky College of Medicine, 780 Rose Street MS519, Lexington, KY, 40536, USA
| | - Liping Zhang
- Department of Physiology, University of Kentucky College of Medicine, 780 Rose Street MS519, Lexington, KY, 40536, USA
| | - Patrick G Sullivan
- Department of Neuroscience, University of Kentucky, Lexington, KY, 40536, USA
- Spinal Cord and Brain Injury Research Center (SCoBIRC), University of Kentucky, Lexington, KY, USA
- Veterans Affairs Medical Center, Lexington, KY, 40502, USA
| | - Erhard Bieberich
- Department of Physiology, University of Kentucky College of Medicine, 780 Rose Street MS519, Lexington, KY, 40536, USA.
- Veterans Affairs Medical Center, Lexington, KY, 40502, USA.
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Chen SK, Lee W, Li YC, Hsu FT, Chen WT. Imipramine Induces Apoptosis and Inhibits the Metastatic Potential of Triple-negative Breast Cancer Cells. Anticancer Res 2023; 43:2985-2994. [PMID: 37351989 DOI: 10.21873/anticanres.16469] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 05/29/2023] [Accepted: 05/30/2023] [Indexed: 06/25/2023]
Abstract
BACKGROUND/AIM Triple-negative breast cancer (TNBC) is an aggressive and deadly subtype of breast cancer, and there is an urgent need for new therapeutic strategies. The highly metastatic and anti-apoptotic characteristics are known to be the major factors causing uncontrolled growth in TNBC. Imipramine is a tricyclic antidepressant that possesses anti-inflammatory activity and has been reported to inhibit the progression of highly metastatic non-small cell lung cancer. MATERIALS AND METHODS This study used MTT assay, apoptosis markers flow cytometry analysis, open-source data analysis, NF-B reporter gene assay, and western blotting to elucidate the effect of imipramine on MDA-MB-231 and 4T1 cells. RESULTS Imipramine induced caspase-mediated extrinsic and intrinsic apoptosis and was potentially associated with patient overall survival. Furthermore, imipramine suppressed the invasion and migration abilities and the expression of metastasis-associated proteins in TNBC cells. CONCLUSION Imipramine effectively suppressed TNBC progression by inducing apoptosis and inhibiting metastasis.
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Affiliation(s)
- Sheng-Kai Chen
- Department of Nuclear Medicine, Show Chwan Memorial Hospital, Changhua, Taiwan, R.O.C
| | - Wei Lee
- Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan, R.O.C
- Cell Therapy Center, China Medical University Hospital, Taichung, Taiwan, R.O.C
| | - Yu-Ching Li
- Department of Family Medicine, Show Chwan Memorial Hospital, Changhua, Taiwan, R.O.C
| | - Fei-Ting Hsu
- Department of Biological Science and Technology, China Medical University, Taichung, Taiwan, R.O.C
| | - Wei-Ting Chen
- Department of Psychiatry, Zuoying Branch of Kaohsiung Armed Forces General Hospital, Kaohsiung, Taiwan, R.O.C.
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Önel T, Arıcıoğlu F, Yıldırım E, Zortul H, Yaba A. The effect of maternal separation stress-induced depression on ovarian reserve in Sprague Dawley Rats: The possible role of imipramine and agmatine through a mTOR signal pathway. Physiol Behav 2023:114270. [PMID: 37308044 DOI: 10.1016/j.physbeh.2023.114270] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 06/06/2023] [Accepted: 06/09/2023] [Indexed: 06/14/2023]
Abstract
PURPOSE To examine the possible role of impramine and agmatine through a mTOR signal pathway on rat ovary after maternal separation stress-induced depression. METHODS Sprague Dawley neonatal female rats were divided into control, maternal separation (MS), MS+imipramine, and MS+agmatine groups. Rats were subjected to MS for 4 hours daily from postnatal day (PND) 2 to PND 21 and pups were exposed to social isolation (SI) on PND23 for 37 days for model establishment treated with imipramine (30 mg/kg; ip) or agmatine (40 mg/kg; ip) for 15 days. In order to examine behavioral changes rats were all subjected to locomotor activity and forced swimming tests (FST). Ovaries were isolated for morphological evaluation, follicle counting and mTOR signal pathway protein expression levels were detected. RESULTS Increased number of primordial follicles and diminished ovarian reserve in the MS groups were detected. Imipramine treatment caused diminished ovarian reserve and atretic follicle; however, agmatine treatment provided the maintenance of ovarian follicular reserve after MS. mTOR signal pathway may have an important role during rat ovarian follicular development in model of MS. CONCLUSIONS Our findings suggest that agmatine may help to protect ovarian reserve during follicular development by controlling cell growth.
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Affiliation(s)
- Tuğçe Önel
- Yeditepe University Faculty of Medicine, Department of Histology and Embryology, İstanbul, Türkiye
| | - Feyza Arıcıoğlu
- Marmara University, Institute of Health Sciences, İstanbul, Türkiye
| | - Ecem Yıldırım
- Yeditepe University Faculty of Medicine, Department of Histology and Embryology, İstanbul, Türkiye
| | - Hacer Zortul
- Marmara University, Institute of Health Sciences, İstanbul, Türkiye
| | - Aylin Yaba
- Yeditepe University Faculty of Medicine, Department of Histology and Embryology, İstanbul, Türkiye..
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Pfanzagl B. The ICAM-1 ligand HRV-A89 is internalized independently of clathrin-mediated endocytosis and its capsid reaches late endosomes. Virology 2023; 583:45-51. [PMID: 37148647 DOI: 10.1016/j.virol.2023.04.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [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: 12/19/2022] [Revised: 04/05/2023] [Accepted: 04/12/2023] [Indexed: 05/08/2023]
Abstract
The human rhinovirus (HRV) A2 is endocytosed by clathrin-mediated endocytosis (CME) bound to the classical LDL receptor and releases its RNA during its transport to late endosomes. Here it is shown that - presumably due to an effect on virus recycling - a low concentration of the CME inhibitor chlorpromazine present during virus internalization (30 min) did not reduce HRV-A2 infection, but strongly inhibited short-time (5 min) endocytosis of HRV-A2. Chlorpromazine had no effect on the colocalization of the ICAM-1 ligand HRV-A89 with early endosomes, excluding CME as the main endocytosis pathway of this virus. As published for HRV-A2 and HRV-A14, HRV-A89 partially colocalized with lysosome-associated membrane protein 2 and the microtubule inhibitor nocodazole did not reduce virus infection when present only during virus internalization. Together with previous work these data suggest that there are no principal differences between endocytosis pathways of ICAM-1-binding rhinoviruses in different cell types.
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Affiliation(s)
- Beatrix Pfanzagl
- Institute of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Währinger Gürtel 18-20, Vienna, 1090, Austria.
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Mello MF, Locali RF, Araujo RM, Reis JN, Saiovici S, Mello LF, Trigo Rocha FE. A prospective and randomized study comparing the use of alarms, desmopressin and imipramine in the treatment of monosymptomatic nocturnal enuresis. J Pediatr Urol 2023:S1477-5131(23)00008-6. [PMID: 36717289 DOI: 10.1016/j.jpurol.2023.01.004] [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] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 01/05/2023] [Accepted: 01/07/2023] [Indexed: 01/12/2023]
Abstract
BACKGROUND Monosymptomatic enuresis (MNE) results from a pathogenic triad that may include lack of vasopressin secretion during sleep, reduced functional bladder capacity and inability to wake up during sleep. The treatment of MNE can be performed through behavioral therapy, use of alarms or medications such as desmopressin and imipramine. OBJECTIVE To compare the effectiveness of different treatments of MNE. STUDY DESIGN Prospective and randomized study comparing different intervention and a control group (receiving only behavior therapy) for MNE. INCLUSION CRITERIA age between 5 and 16 years old, with MNE, evaluated at the pediatric urology outpatient clinic of Hospital Infantil Menino Jesus. At first visit children were submitted to behavior therapy (urotherapy) for 3 months, children were subsequently characterized according to the ICCS as non-responders, partial responders, or full responders. Those partial responders or non-responders received a patient ID and were randomized to four groups: Alarm Group (G1), Desmopressin Group - DDAVP (G2), Imipramine Group (G3) and Control (G4). All groups were monitored monthly, for a period of 6 months. After 6 months, the children were reevaluated for MNE. RESULTS 93 patients were enrolled. Mean age was 10.96 years with a standard deviation of 2.28 years, 59,1% were male. All groups had improvement in the number of dry nights (Table). Taking in account success the population full responders and partial responders: Alarm Group (G1) achieve success in 100% of cases, Desmopressin Group - DDAVP (G2) in 63.6% of cases, Imipramine Group (G3) in 73.7% of cases (Table 3). No drugs side effects were observed in both groups (G2 and G3), there was no dropout in patients who used alarms. DISCUSSION Our data suggests that the use of alarms is the most effective treatment of ENM with superior results when compared to imipramine and DDAVP. The small number of participants is a weakness of the study, as well as the lack of a voiding diary at the end of the study. CONCLUSION All therapeutics options utilized in the treatment of MNE are safe, effective and has a low rate of abandonment.
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Affiliation(s)
- Marcos Figueiredo Mello
- Pediatric Urology Unit, Division of Urology, Hospital Municipal Infantil Menino Jesus, São Paulo, Brazil.
| | - Rafael Fagionato Locali
- Pediatric Urology Unit, Division of Urology, Hospital Municipal Infantil Menino Jesus, São Paulo, Brazil
| | - Rogerio Mattos Araujo
- Pediatric Urology Unit, Division of Urology, Hospital Municipal Infantil Menino Jesus, São Paulo, Brazil
| | - Joceara Neves Reis
- Pediatric Urology Unit, Division of Urology, Hospital Municipal Infantil Menino Jesus, São Paulo, Brazil
| | - Samuel Saiovici
- Pediatric Urology Unit, Division of Urology, Hospital Municipal Infantil Menino Jesus, São Paulo, Brazil
| | - Luiz Figueiredo Mello
- Pediatric Urology Unit, Division of Urology, Hospital Municipal Infantil Menino Jesus, São Paulo, Brazil
| | - Flavio Eduardo Trigo Rocha
- Pediatric Urology Unit, Division of Urology, Hospital Municipal Infantil Menino Jesus, São Paulo, Brazil
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Possamai-Della T, Dal-Pont GC, Resende WR, Aguiar-Geraldo JM, Peper-Nascimento J, Quevedo J, Valvassori SS. Imipramine Can Be Effective on Depressive-Like Behaviors, but Not on Neurotrophic Factor Levels in an Animal Model for Bipolar Disorder Induced by Ouabain. Mol Neurobiol 2022; 59:7170-7181. [PMID: 36121567 DOI: 10.1007/s12035-022-03022-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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 08/29/2022] [Indexed: 10/14/2022]
Abstract
INTRODUCTION Despite possible risks of mania switching with the long-term use of antidepressants in patients with bipolar disorder (BD), these drugs may help in depressive episodes. Alterations in neurotrophic factor levels seem to be involved in the pathophysiology of BD. The present study aimed to evaluate the effect of acute treatment of imipramine on behavior and neurotrophic levels in rats submitted to the animal model for BD induced by ouabain. METHODS Wistar rats received a single intracerebroventricular (ICV) injection of artificial cerebrospinal fluid or ouabain (10-3 M). Following the ICV administration, the rats were treated for 14 days with saline (NaCl 0.9%, i.p.), lithium (47.5 mg/kg, i.p.), or valproate (200 mg/kg, i.p.). On the 13th and 14th days of treatment, the animals received an additional injection of saline or imipramine (10 mg/kg, i.p.). Behavior tests were evaluated 7 and 14 days after ICV injection. Adrenal gland weight and concentrations of ACTH were evaluated. Levels of neurotrophins BDNF, NGF, NT-3, and GDNF were measured in the frontal cortex and hippocampus by ELISA test. RESULTS The administration of ouabain induced mania- and depressive-like behavior in the animals 7 and 14 days after ICV, respectively. The treatment with lithium and valproate reversed the mania-like behavior. All treatments were able to reverse most of the depressive-like behaviors induced by ouabain. Moreover, ouabain increased HPA-axis parameters in serum and decreased the neurotrophin levels in the frontal cortex and hippocampus. All treatments, except imipramine, reversed these alterations. CONCLUSION It can be suggested that acute administration of imipramine alone can be effective on depressive-like symptoms but not on neurotrophic factor alterations present in BD.
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Affiliation(s)
- Taise Possamai-Della
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil
| | - Gustavo C Dal-Pont
- Translational Health Research Laboratory, Alto Vale do Rio do Peixe University, Caçador, Brazil
| | - Wilson R Resende
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil
| | - Jorge M Aguiar-Geraldo
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil
| | - Jefté Peper-Nascimento
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil
| | - João Quevedo
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil.,Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA.,Center of Excellence On Mood Disorders, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA.,Neuroscience Graduate Program, The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, USA
| | - Samira S Valvassori
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil.
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Timilsina S, Rajamanickam S, Rao A, Subbarayalu P, Nirzhor S, Abdelfattah N, Viswanadhapalli S, Chen Y, Jatoi I, Brenner A, Rao MK, Vadlamudi R, Kaklamani V. The antidepressant imipramine inhibits breast cancer growth by targeting estrogen receptor signaling and DNA repair events. Cancer Lett 2022; 540:215717. [PMID: 35568265 DOI: 10.1016/j.canlet.2022.215717] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [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: 02/04/2022] [Revised: 04/11/2022] [Accepted: 04/28/2022] [Indexed: 11/29/2022]
Abstract
Aberrant activities of various cell cycle and DNA repair proteins promote cancer growth and progression and render them resistant to therapies. Here, we demonstrate that the anti-depressant imipramine blocks growth of triple-negative (TNBC) and estrogen receptor-positive (ER+) breast cancers by inducing cell cycle arrest and by blocking heightened homologous recombination (HR) and non-homologous end joining-mediated (NHEJ) DNA repair activities. Our results reveal that imipramine inhibits the expression of several cell cycle- and DNA repair-associated proteins including E2F1, CDK1, Cyclin D1, and RAD51. In addition, we show that imipramine inhibits the growth of ER + breast cancers by inhibiting the estrogen receptor- α (ER-α) signaling. Our studies in preclinical mouse models and ex vivo explants from breast cancer patients show that imipramine sensitizes TNBC to the PARP inhibitor olaparib and endocrine resistant ER + breast cancer to anti-estrogens. Our studies suggest that repurposing imipramine could enhance routine care for breast cancer patients. Based on these results, we designed an ongoing clinical trial, where we are testing the efficacy of imipramine for treating patients with triple-negative and estrogen receptor-positive breast cancer. Since aberrant DNA repair activity is used by many cancers to survive and become resistant to therapy, imipramine could be used alone and/or with currently used drugs for treating many aggressive cancers.
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Affiliation(s)
- Santosh Timilsina
- Department of Cell Systems and Anatomy, UT Health, San Antonio, USA; Greehey Children's Cancer Research Institute, USA
| | - Subapriya Rajamanickam
- Greehey Children's Cancer Research Institute, USA; Department of Molecular Medicine, UT Health, San Antonio, USA
| | - Arhan Rao
- Health Careers High School, San Antonio, TX, USA
| | - Panneerdoss Subbarayalu
- Department of Cell Systems and Anatomy, UT Health, San Antonio, USA; Greehey Children's Cancer Research Institute, USA
| | - Saif Nirzhor
- Department of Cell Systems and Anatomy, UT Health, San Antonio, USA; Greehey Children's Cancer Research Institute, USA
| | | | | | - Yidong Chen
- Greehey Children's Cancer Research Institute, USA; Department of Epidemiology and Statistics, UT Health, San Antonio, USA
| | - Ismail Jatoi
- Department of Surgery, UT Health, San Antonio, USA
| | | | - Manjeet K Rao
- Department of Cell Systems and Anatomy, UT Health, San Antonio, USA; Greehey Children's Cancer Research Institute, USA.
| | - Ratna Vadlamudi
- Department of Obstetrics and Gynecology, UT Health, San Antonio, USA.
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López-Muñoz F, D’Ocón P, Romero A, Guerra JA, Álamo C. Role of serendipity in the discovery of classical antidepressant drugs: Applying operational criteria and patterns of discovery. World J Psychiatry 2022; 12:588-602. [PMID: 35582332 PMCID: PMC9048453 DOI: 10.5498/wjp.v12.i4.588] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 11/22/2021] [Accepted: 03/17/2022] [Indexed: 02/06/2023] Open
Abstract
The role played by serendipity in the origin of modern psychopharmacology has proven to be controversial in scientific literature. In its original meaning (Walpole), serendipity refers to discoveries made through a combination of accidents and sagacity. We have implemented an operational definition of serendipity based on finding something unexpected or unintended, regardless of the systematic process that led to the accidental observation, and we have established four different patterns of serendipitous attributability. In this paper, we have analyzed the role of serendipity in the discovery and development of classical antidepressant drugs, tricyclic antidepressants and monoamine oxidase inhibitors as well as heterocyclic, “atypical” or “second generation” antidepressants. The discovery of the antidepressant properties of imipramine and iproniazid, the prototypes of tricyclic antidepressants and monoamine oxidase inhibitors, respectively, fits the mixed type II pattern; initial serendipitous discoveries (imipramine was an antipsychotic and iproniazid was an anti-tuberculosis agent) led secondarily to non-serendipitous discoveries. But the other components of these two families of drugs were developed specifically as antidepressants, modifying the chemical structure of the series leaders, thereby allowing all of them to be included in the type IV pattern, characterized by the complete absence of serendipity. Among the heterocyclic drugs, mianserin (originally developed as an antihistamine) also falls into the type II pattern.
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Affiliation(s)
- Francisco López-Muñoz
- Faculty of Health, University Camilo José Cela, Villanueva de la Cañada 28692, Madrid, Spain
- “Hospital 12 de Octubre” Research Institute (i+12), Avda. de Córdoba, s/n, Madrid 28041, Spain
| | - Pilar D’Ocón
- Department of Pharmacology, Faculty of Pharmacy, University of Valencia, Avda. Vicent Andres Estelles, s/n, Valencia 46100, Spain
| | - Alejandro Romero
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Complutense University, Avda. Puerta de Hierro, s/n, Madrid 28040, Spain
| | - José A Guerra
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Complutense University, Pl. de Ramón y Cajal, s/n, Madrid 28040, Spain
| | - Cecilio Álamo
- Department of Biomedical Sciences (Pharmacology Area), Faculty of Medicine and Health Sciences, University of Alcalá, Campus Científico-Tecnológico, Crta. de Madrid-Barcelona, Alcalá de Henares 28871, Madrid, Spain
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14
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Stachowicz K, Misztak P, Pańczyszyn-Trzewik P, Lenda T, Rzeźniczek S, Sowa-Kućma M. Upregulation of the mGlu5 receptor and COX-2 protein in the mouse brain after imipramine and NS398, searching for mechanisms of regulation. Neurochem Int 2021; 150:105193. [PMID: 34571049 DOI: 10.1016/j.neuint.2021.105193] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 09/20/2021] [Accepted: 09/21/2021] [Indexed: 11/24/2022]
Abstract
Imipramine belongs to a group of tricyclic antidepressants (TCAs). It has been also documented that its antidepressant activity connects with the modulation of cytosolic phospholipase A2 (cPLA2) and arachidonic acid (AA) turnover. Through this mechanism, imipramine can indirectly modify glutamate (Glu) transmission. Additionally, it has been shown that chronic treatment with imipramine results in the upregulation of the metabotropic glutamate receptor subtype 5 (mGlu5 receptor) in the hippocampus of rats. Our previous study revealed that manipulation of the AA pathway via inhibition of cyclooxygenase-2 (COX-2) by selective COX-2 inhibitor (NS398) could effectively modulate the behavior of mice treated with imipramine. Here, we hypothesized that COX-2 inhibition could similarly to imipramine influence mGlu5 receptor, and thus NS398 can modulate the effect of imipramine on Glu. Moreover, such regulation changes should correspond with alterations in neurotransmission. Increased cPLA activity after imipramine administration may change the activity of the AA pathway and the endocannabinoid metabolism, e.g., 2-Arachidonyl-glycerol (2-AG). To verify the idea, mGlu5 receptor level was investigated in the hippocampus (HC) and prefrontal cortex (PFC) of mice treated for 7 or 14 days with imipramine and/or COX-2 inhibitor: NS398. Western blot and PCR analyses were conducted. Moreover, the excitatory (Glu) and inhibitory (gamma-aminobutyric acid; GABA) neurotransmitters were measured using HPLC and 2-AG using ELISA. A time-dependent change in mGlu5 receptor and COX-2 protein level, COX-2 expression, and 2-AG level in the PFC after imipramine administration was found. Up-regulation of mGlu5 receptor after NS398 was found in HC and PFC. A structure-dependent shift between excitatory vs. inhibitory transmission was detected when NS398 and imipramine were co-administered.
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Seto Y, Tonami R, Iyama Y, Sato H, Onoue S. An approach to evaluate metabolite-related phototoxicity with combined use of photochemical properties and skin deposition. Toxicol Lett 2021; 350:91-97. [PMID: 34265374 DOI: 10.1016/j.toxlet.2021.07.007] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 06/29/2021] [Accepted: 07/09/2021] [Indexed: 10/20/2022]
Abstract
Some chemicals have been reported to cause metabolite-related phototoxicity, and this study aimed to verify the applicability of photosafety assessment based on photochemical and pharmacokinetic properties to evaluate the metabolite-related phototoxicity risk. The phototoxic risk of imipramine (IMI) and its metabolite, desipramine (DMI), was evaluated by photochemical and pharmacokinetic analyses. IMI and DMI were found to have similar photoreactivities based on the generation of reactive oxygen species. The skin concentrations of IMI and DMI reached maximal levels at approximately 1 and 4 h, respectively, after oral administration of IMI (10 mg/kg), and DMI showed high skin deposition compared with IMI. According to the results, DMI was identified as a contributor to phototoxicity induced by orally-taken IMI. In in vivo phototoxicity testing, ultraviolet A irradiation from 3 to 6 h after oral administration of IMI (100 mg/kg) caused more potent phototoxic reactions compared with that from 0 to 3 h, and DMI yielded by metabolism of IMI would be associated with phototoxic reactions caused by orally-administered IMI. In addition to the data on IMI, a parent chemical, photochemical and pharmacokinetic profiling of its metabolite, DMI, led to reliable phototoxicity prediction of orally-administered IMI. Thus, characterization of the photosafety of metabolites would generate reliable information on the phototoxicity risk of parent chemicals, and the proposed strategy may facilitate comprehensive photosafety assessment of drug candidates in pharmaceutical development.
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Affiliation(s)
- Yoshiki Seto
- Laboratory of Biopharmacy, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, 422-8526, Japan
| | - Ryo Tonami
- Laboratory of Biopharmacy, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, 422-8526, Japan
| | - Yosuke Iyama
- Laboratory of Biopharmacy, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, 422-8526, Japan
| | - Hideyuki Sato
- Laboratory of Biopharmacy, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, 422-8526, Japan
| | - Satomi Onoue
- Laboratory of Biopharmacy, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, 422-8526, Japan.
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16
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Khakpai F, Ramezanikhah M, Valizadegan F, Zarrindast MR. Synergistic effect between imipramine and citicoline upon induction of analgesic and antidepressant effects in mice. Neurosci Lett 2021; 760:136095. [PMID: 34216716 DOI: 10.1016/j.neulet.2021.136095] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 09/02/2020] [Revised: 06/11/2021] [Accepted: 06/28/2021] [Indexed: 11/17/2022]
Abstract
Imipramine is a tricyclic antidepressant (TCA) drug that is sometimes used to treat neuropathic pain. Citicoline is a dietary supplement that has been used as a neuroprotective agent for neurological disorders. Probable interaction between imipramine and citicoline on pain and depression behaviors was examined in mice using a tail-flick test, open field test (OFT), forced swimming test (FST), and tail suspension test (TST). The results indicated that the intraperitoneal (i.p.) administration of citicoline (50 mg/kg) induced analgesic and antidepressant-like behaviors in mice. Similarly, i.p. injection of imipramine (5 mg/kg) induced dose-dependent anti-nociceptive and anti-depressive effects. Co-administration of different doses of imipramine (1.25, 2.5, and 5 mg/kg) along with an ineffective dose of citicoline (6.25 mg/kg) increased tail-flick latency and decreased immobility time in the FST, suggesting an analgesic and antidepressant-like behaviors. Interestingly, there is a synergistic effect between imipramine and citicoline upon the induction of analgesic and antidepressant effects. All doses of the drugs had no significant effect on the locomotor activity. Based on these results, it can be concluded that the administration of citicoline (as an adjuvant drug) in combination with imipramine increased the efficacy of TCA drugs for modulation of pain and depression behaviors.
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Affiliation(s)
- Fatemeh Khakpai
- Cognitive and Neuroscience Research Center (CNRC), Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Mahsa Ramezanikhah
- Department of Biology, Faculty of Basic Sciences, University of Mazandaran, Babolsar, Iran
| | - Farhad Valizadegan
- Department of Biology, Faculty of Basic Sciences, University of Mazandaran, Babolsar, Iran
| | - Mohammad-Reza Zarrindast
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
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Campos-Cardoso R, Silva CPB, Carolino ROG, Anselmo-Franci JA, Tirapelli CR, Padovan CM. Imipramine attenuates anxiety- and depressive-like effects of acute and prolonged ethanol-abstinence in male rats by modulating SERT and GR expression in the dorsal hippocampus. Behav Brain Res 2021; 408:113295. [PMID: 33839161 DOI: 10.1016/j.bbr.2021.113295] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 04/02/2021] [Accepted: 04/05/2021] [Indexed: 10/21/2022]
Abstract
AIMS Considering that serotoninergic agents attenuate symptoms of anxiety and are used to treat depression, we investigated whether subchronic treatment with imipramine, a serotonin/noradrenaline reuptake inhibitor, would prevent the anxiogenic-like behaviour induced by acute and/or chronic ethanol withdrawal. We also investigated whether those changes were related to the disfunctioning of hypothalamic-pituitary-adrenal (HPA) axis and serotonergic neurotransmission. MAIN METHODS 264 Male Wistar rats were treated with ethanol 6% (vol./vol.) for 21 days. Acute ethanol withdrawal was induced by abrupt discontinuation of treatment and sustained for 48 h. Protracted abstinence was sustained for an additional period of 21 days. Behavioural tests included the Elevated Plus Maze (EPM) or Light/Dark Box (LDB) after acute abstinence, and the Forced Swim Test (FST) after protracted abstinence. Imipramine (15 mg/kg, i.p.) was administered 24, 19 and 1 h before EPM or LDB tests. KEY FINDINGS Acute abstinence decreased exploration of the open arms of the EPM, without changing exploration of LDB. Additionally, chronic abstinent rats displayed more time immobile in the FST, when compared to control animals. These effects were attenuated by imipramine treatment, without changing basal response. Imipramine prevented protracted abstinence -induced decrease in glucocorticoid receptor (GR) and serotonin transporter (SERT) expression in the dorsal hippocampus. SIGNIFICANCE Our findings indicate that chronic ethanol withdrawal affects the hippocampal serotonergic system by decreasing serotonin transporter expression. It also disturbs the HPA axis functioning through an imbalance on GR and mineralocorticoid (MR) expression.
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Affiliation(s)
- Rodrigo Campos-Cardoso
- Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo (USP), Ribeirão Preto, SP, Brazil; Faculdade de Medicina de Ribeirão Preto, USP, Ribeirão Preto, SP, Brazil
| | - Carla P B Silva
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, USP, Ribeirão Preto, SP, Brazil; Escola de Enfermagem de Ribeirão Preto, USP, Ribeirão Preto, SP, Brazil
| | | | | | - Carlos R Tirapelli
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, USP, Ribeirão Preto, SP, Brazil; Escola de Enfermagem de Ribeirão Preto, USP, Ribeirão Preto, SP, Brazil; Instituto de Neurociências e Comportamento (INeC), Ribeirão Preto, SP, Brazil
| | - Cláudia M Padovan
- Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo (USP), Ribeirão Preto, SP, Brazil; Faculdade de Medicina de Ribeirão Preto, USP, Ribeirão Preto, SP, Brazil; Instituto de Neurociências e Comportamento (INeC), Ribeirão Preto, SP, Brazil.
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18
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Brodnanova M, Hatokova Z, Evinova A, Cibulka M, Racay P. Differential impact of imipramine on thapsigargin- and tunicamycin-induced endoplasmic reticulum stress and mitochondrial dysfunction in neuroblastoma SH-SY5Y cells. Eur J Pharmacol 2021; 902:174073. [PMID: 33798597 DOI: 10.1016/j.ejphar.2021.174073] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [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: 10/05/2020] [Revised: 03/18/2021] [Accepted: 03/26/2021] [Indexed: 01/10/2023]
Abstract
The aim of our work was to study effect of antidepressant imipramine on both thapsigargin- and tunicamycin-induced ER stress and mitochondrial dysfunction in neuroblastoma SH-SY5Y cells. ER stress in SH-SY5Y cells was induced by either tunicamycin or thapsigargin in the presence or absence of imipramine. Cell viability was tested by the MTT assay. Splicing of XBP1 mRNA was studied by RT-PCR. Finally, expression of Hrd1 and Hsp60 was determined by Western blot analysis. Our findings provide evidence that at high concentrations imipramine potentiates ER stress-induced death of SH-SY5Y cells. The effect of imipramine on ER stress-induced death of SH-SY5Y cells was stronger in combination of imipramine with thapsigargin. In addition, we have found that treatment of SH-SY5Y cells with imipramine in combination of either thapsigargin or tunicamycin is associated with the alteration of ER stress-induced IRE1α-XBP1 signalling. Despite potentiation of ER stress-induced XBP1 splicing, imipramine suppresses both thapsigargin- and tunicamycin-induced expression of Hrd1. Finally, imipramine in combination with thapsigargin, but not tunicamycin, aggravates ER stress-induced mitochondrial dysfunction without significant impact on intracellular mitochondrial content as indicated by the unaltered expression of Hsp60. Our results indicate the possibility that chronic treatment with imipramine might be associated with a higher risk of development and progression of neurodegenerative disorders, in particular those allied with ER stress and mitochondrial dysfunction like Parkinson's and Alzheimer's disease.
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Affiliation(s)
- Maria Brodnanova
- Department of Medical Biochemistry, Comenius University in Bratislava, Jessenius Faculty of Medicine in Martin (JFM CU), Mala Hora 4D, SK-03601 Martin, Slovakia
| | | | | | | | - Peter Racay
- Department of Medical Biochemistry, Comenius University in Bratislava, Jessenius Faculty of Medicine in Martin (JFM CU), Mala Hora 4D, SK-03601 Martin, Slovakia.
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Javadpour P, Askari S, Rashidi FS, Dargahi L, Ahmadiani A, Ghasemi R. Imipramine alleviates memory impairment and hippocampal apoptosis in STZ-induced sporadic Alzheimer's rat model: Possible contribution of MAPKs and insulin signaling. Behav Brain Res 2021; 408:113260. [PMID: 33775777 DOI: 10.1016/j.bbr.2021.113260] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/11/2021] [Accepted: 03/20/2021] [Indexed: 10/21/2022]
Abstract
Alzheimer's disease (AD) is the most common age-related neurodegenerative disease, associated with several pathophysiological complaints. Impaired insulin signaling in the brain, is one of the important characteristic features of AD which is accompanied by cognitive deficits. According to the multifactorial and complicated pathology of AD, no modifying therapy has been approved yet. Imipramine is a kind of tricyclic antidepressant with reported anti-inflammatory and anti-oxidant effects in the brain. There are controversial studies about the effect of this drug on spatial memory. This study investigates the effect of imipramine on streptozotocin (STZ) induced memory impairment in rats. Pursuing this objective, rats were treated with imipramine 10 or 20 mg/kg i.p. once a day for 14 days. 24 h after the last injection, memory function was evaluated by the Morris water maze (MWM) test in 4 consecutive days. Then, hippocampi were removed and the activity of caspase-3, mitogen activated protein kinases (MAPKs) family and inhibitory phosphorylation of insulin receptor substrate-1 (IRS-1ser307) were analyzed using Western blotting. Results showed that imipramine prevents memory impairment in STZ induced rats and this improvement was accompanied with an increase in ERK activity, reduction of caspase-3 and JNK activity, as well as partial restoration of P38 and IRS-1 activity. In conclusion, our study demonstrated that at least some members of the MAPK family are involved in the neuroprotective effect of imipramine.
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Affiliation(s)
- Pegah Javadpour
- Department of Physiology, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Neurophysiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sahar Askari
- Department of Physiology, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Neurophysiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fatemeh Sadat Rashidi
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Leila Dargahi
- Neurobiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abolhassan Ahmadiani
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Rasoul Ghasemi
- Department of Physiology, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Neurophysiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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20
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Ferreira FR, Cupido A, Catalin B, Silva WA Jr, Kirchhoff F, Del-Bel EA, Guimarães FS. Astrocyte Intracellular Ca 2+and TrkB Signaling in the Hippocampus Could Be Involved in the Beneficial Behavioral Effects of Antidepressant Treatment. Neurotox Res 2021; 39:860-71. [PMID: 33616872 DOI: 10.1007/s12640-021-00334-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 01/18/2021] [Accepted: 01/21/2021] [Indexed: 12/11/2022]
Abstract
Although monoaminergic-based antidepressant drugs are largely used to treat major depressive disorder (MDD), their mechanisms are still incompletely understood. Intracellular Ca2+ (iCa2+) and Calmodulin 1(CaM-1) homeostasis have been proposed to participate in the therapeutic effects of these compounds. We investigated whether intra-hippocampal inhibition of CaM-1 would modulate the behavioral responses to chronic treatment with imipramine (IMI) or 7-nitroindazole (7-NI), a selective inhibitor of the neuronal nitric oxide synthase 1 (NOS1) enzyme that shows antidepressant-like effects. We also investigated the interactions of IMI and CaM-1 on transient astrocyte iCa2+ evoked by glutamate stimuli. Intra-hippocampal microinjection of the lentiviral delivered (LV) short hairpin iRNA-driven against the CaM-1 mRNA (LV-shRNA-CaM-1) or the CaM-1 inhibitor N-(6-aminohexyl)-5-chloro-1-naphthalene sulphonamide (W-7) blocked the antidepressant-like effect of chronic treatment with IMI or 7-NI. The shRNA also inhibited the mRNA expression of the tropomyosin receptor kinase B (TrkB) in the microinjection region. The iCa2+ in ex vivo hippocampus slices stained with fluorescent Ca2+indicator Oregon Green 488 BAPTA-1 revealed that IMI increased the intensity and duration of iCa2+ oscillation and reduced the number of events evoked by glutamate stimuli, evaluated by using CCD imaging and the % ΔF/Fo parameters. The pre-treatment with W-7 fully antagonized this effect. The present results indicate that the behavioral benefits of chronic antidepressant treatment might be associated with astrocyte intracellular Ca2+dynamics and TrkB mRNA expression in the hippocampus.
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21
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Vilela-Costa HH, Maraschin JC, Casarotto PC, Sant'Ana AB, de Bortoli VC, Vicente MA, Campos AC, Guimarães FS, Zangrossi H. Role of 5-HT 1A and 5-HT 2C receptors of the dorsal periaqueductal gray in the anxiety- and panic-modulating effects of antidepressants in rats. Behav Brain Res 2021; 404:113159. [PMID: 33571572 DOI: 10.1016/j.bbr.2021.113159] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 01/27/2021] [Accepted: 01/31/2021] [Indexed: 02/07/2023]
Abstract
Antidepressant drugs are first-line treatment for panic disorder. Facilitation of 5-HT1A receptor-mediated neurotransmission in the dorsal periaqueductal gray (dPAG), a key panic-associated area, has been implicated in the panicolytic effect of the selective serotonin reuptake inhibitor fluoxetine. However, it is still unknown whether this mechanism accounts for the antipanic effect of other classes of antidepressants drugs (ADs) and whether the 5-HT interaction with 5-HT2C receptors in this midbrain area (which increases anxiety) is implicated in the anxiogenic effect caused by short-term treatment with ADs. The results showed that previous injection of the 5-HT1A receptor antagonist WAY-100635 in the dPAG blocked the panicolytic-like effect caused by chronic systemic administration of the tricyclic AD imipramine in male Wistar rats tested in the elevated T-maze. Neither chronic treatment with imipramine nor fluoxetine changed the expression of 5-HT1A receptors in the dPAG. Treatment with these ADs also failed to significantly change ERK1/2 (extracellular-signal regulated kinase) phosphorylation level in this midbrain area. Blockade of 5-HT2C receptors in the dPAG with the 5-HT2C receptor antagonist SB-242084 did not change the anxiogenic effect caused by a single acute injection of fluoxetine or imipramine in the Vogel conflict test. These results reinforce the view that the facilitation of 5-HT1A receptor-mediated neurotransmission in the dPAG is a common mechanism involved in the panicolytic effect caused by chronic administration of ADs. On the other hand, the anxiogenic effect observed after short-term treatment with these drugs does not depend on 5-HT2C receptors located in the dPAG.
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MESH Headings
- Aminopyridines/pharmacology
- Animals
- Antidepressive Agents/pharmacology
- Anxiety/drug therapy
- Blotting, Western
- Elevated Plus Maze Test
- Fluoxetine/pharmacology
- Imipramine/pharmacology
- Indoles/pharmacology
- Male
- Open Field Test/drug effects
- Panic/drug effects
- Periaqueductal Gray/drug effects
- Periaqueductal Gray/metabolism
- Periaqueductal Gray/physiology
- Piperazines/pharmacology
- Pyridines/pharmacology
- Rats
- Rats, Wistar
- Receptor, Serotonin, 5-HT1A/drug effects
- Receptor, Serotonin, 5-HT1A/metabolism
- Receptor, Serotonin, 5-HT1A/physiology
- Receptor, Serotonin, 5-HT2C/drug effects
- Receptor, Serotonin, 5-HT2C/metabolism
- Receptor, Serotonin, 5-HT2C/physiology
- Serotonin 5-HT1 Receptor Antagonists/pharmacology
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Affiliation(s)
- Heloisa H Vilela-Costa
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Jhonatan Christian Maraschin
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, SP, Brazil
| | | | - Ana Beatriz Sant'Ana
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Valquiria C de Bortoli
- Department of Health Sciences, Federal University of Espírito Santo (UFES), São Mateus, ES, Brazil
| | - Maria Adrielle Vicente
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Alline Cristina Campos
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Francisco S Guimarães
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Helio Zangrossi
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, SP, Brazil.
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22
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Yamuna A, Chen TW, Chen SM, Al-Mohaimeed AM, Al-Onazi WA, Elshikh MS. Selective electrochemical detection of antidepressant drug imipramine in blood serum and urine samples using an antimony telluride-graphite nanofiber electrode. Mikrochim Acta 2021; 188:60. [PMID: 33511456 DOI: 10.1007/s00604-021-04722-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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: 10/13/2020] [Accepted: 01/19/2021] [Indexed: 10/22/2022]
Abstract
A high-performance imipramine (IMPR) sensor has been developed based on metal chalcogenide-carbon composite materials. The antimony telluride-graphite nanofiber (Sb2Te3-GNF, hereafter SBT-GNF) composite was synthesized by the hydrothermal method and confirmed by X-ray powder diffraction (XRD) pattern. The morphology, crystalline lattice, and chemical states were characterized by HRTEM, SAED, and XPS analysis. The characterizations confirmed the formation of an effective composite, SBT-GNF. The SBT-GNF was fabricated as a disposable sensor electrode with a screen-printed carbon electrode (SPCE) and examined for the detection of IMPR by differential pulse voltammetry (DPV). The electroanalytical results of SBT-GNF are compared with the SBT and GNF, and the rational design of effective composite is discussed. SBT-GNF/SPCE showed a good linear range (0.01‑51.8 μM), sensitivity (1.35 ± 0.1 μA μM-1 cm-2), and low LOD (4 ± 2 nM). Moreover, the SBT-GNF/SPCE revealed high selectivity and high tolerance limit against potential interfering compounds in blood serum and urine samples. Therefore, this electrochemical sensor can be applicable for the detection of tricyclic antidepressant drug IMPR in clinical and pharmaceutical analysis.
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Affiliation(s)
- Annamalai Yamuna
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei, 106, Taiwan
| | - Tse-Wei Chen
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei, 106, Taiwan.,Research and Development Center for Smart Textile Technology, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei, 106, Taiwan.,Department of Materials, Imperial College London, London, SW72AZ, UK
| | - Shen-Ming Chen
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei, 106, Taiwan.
| | - Amal M Al-Mohaimeed
- Department of Chemistry, College of Science, King Saud University, P.O. Box 22452, Riyadh, 11495, Saudi Arabia
| | - Wedad A Al-Onazi
- Department of Chemistry, College of Science, King Saud University, P.O. Box 22452, Riyadh, 11495, Saudi Arabia
| | - Mohamed Soliman Elshikh
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
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23
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Hatefi R, Mashinchian-Moradi A, Younesi H, Nojavan S. Graphene quantum dots based on maltose as a high yield photocatalyst for efficient photodegradation of imipramine in wastewater samples. J Environ Health Sci Eng 2020; 18:1531-1540. [PMID: 33312659 PMCID: PMC7721855 DOI: 10.1007/s40201-020-00569-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 10/15/2020] [Indexed: 06/12/2023]
Abstract
PURPOSE In this work, for the first time, graphene quantum dots (GQDs) based on maltose were fabricated as a new photocatalytic material to the photodegradation of imipramine (as a persistence organic pollutant) under light irradiation. METHODS The synthesized GQDs were characterized by different instrumentation approaches such as X-ray diffraction (XRD), Fourier transform-infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), nitrogen adsorption/desorption, and transmission electron microscopy (TEM). A Box-Behnken design (BBD) and the response surface methodology (RSM) were applied for the optimization of different factors that affect the overall photocatalytic yield. RESULTS Under the optimized conditions (pH of the sample solution: 2.0; photocatalyst dosage: 0.1 mg mL-1; UV exposure time: 80 min), the highest achievable reduction efficiency was obtained about 80%. The stability and reusability of the synthesized photocatalytic material were investigated in four reaction cycles (80 min), which showed only a 15% photo-activity loss after the fourth photocatalytic runs. CONCLUSIONS The proposed method was successfully applied to degrade the mentioned drug in the real wastewater samples by about 70%. Regarding the mentioned advantages by the proposed method, this new kind of photocatalytic material possesses a strong potential for photodegradation of pollutants in industrial wastewater samples. GRAPHICAL ABSTRACT Photodegradation of imipramine using graphene quantum dots based on maltose.
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Affiliation(s)
- Raheleh Hatefi
- Department of Environmental Science, Faculty of Natural Resources, Science and Research Branch, Islamic Azad University (IAU), P.O. Box 14515-775, Tehran, Iran
| | - Ali Mashinchian-Moradi
- Department of Environmental Science, Faculty of Natural Resources, Science and Research Branch, Islamic Azad University (IAU), P.O. Box 14515-775, Tehran, Iran
| | - Habibollah Younesi
- Department of Environmental Science, Faculty of Natural Resources, Tarbiat Modares University, P.O. Box 64414-356, Noor, Iran
| | - Saeed Nojavan
- Department of Analytical Chemistry and Pollutants, Shahid Beheshti University, P.O. Box 19839-4716, Tehran, Iran
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24
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Borsoi M, Nunes LED, Barbosa AR, Lima MS, Medeiros I, Pranke MA, Antonio CB, Rates SMK, Neves GA. Intermittent repeated stress but not ketamine changes mice response to antidepressants. Neurosci Lett 2020; 741:135452. [PMID: 33166638 DOI: 10.1016/j.neulet.2020.135452] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [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: 06/26/2020] [Revised: 10/08/2020] [Accepted: 10/12/2020] [Indexed: 12/19/2022]
Abstract
Discovery of the rapid antidepressant effect of ketamine has been considered one of the most important advances in major depressive disorder treatment. Several studies report a significant benefit to patients that lasts up to 19 days after treatment. However, concerns arise from the long-term use of ketamine, thus a safe and effective strategy for maintaining its antidepressant effect is still necessary. To this end, our work assessed the effects of imipramine and fluoxetine after repeated ketamine treatment in male mice. Ketamine (30 mg/kg/day for 14 days) induced an anti-immobility effect in the forced swimming (FS) paradigm, detected 1 and 3 days after treatment. Seven days after the last ketamine injection, mice received imipramine (20 mg/kg) or fluoxetine (30 mg/kg). Imipramine and fluoxetine did not change mice's immobility time, regardless of the pre-treatment (saline or ketamine). Since both drugs' anti-immobility effect was demonstrated in the classical FS test, we can assume that repeated exposure to intermittent stress inhibited the antidepressant drugs' anti-immobility effects. Moreover, pre-exposure to ketamine did not counteract stress-induced changes in mice response to antidepressants. Since exposure to forced swim and i.p. injections are stressful to rodents, each stressor's contribution to the blunted response to antidepressants was investigated. Our data demonstrated that both stressors (FS and i.p. injections) influenced the reported effect. In summary, our results showed that exposure to intermittent repeated stress inhibited the anti-immobility effect of imipramine and fluoxetine in mice and corroborated findings demonstrating that exposure to stress can blunt patients' response to antidepressants.
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Affiliation(s)
- Milene Borsoi
- Laboratory of Experimental Psychopharmacology, School of Pharmacy, Federal University of Rio Grande do Sul, Av. Ipiranga 2752, sala 503-B, Porto Alegre, RS, CEP 90610-000, Brazil
| | - Luis Eduardo D Nunes
- Laboratory of Molecular Pharmacology, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Av. Carlos Chagas Filho, 373, bloco J, sala J1-029, Rio de Janeiro, RJ, CEP 21941-902, Brazil
| | - Amanda R Barbosa
- Laboratory of Molecular Pharmacology, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Av. Carlos Chagas Filho, 373, bloco J, sala J1-029, Rio de Janeiro, RJ, CEP 21941-902, Brazil
| | - Mariana S Lima
- Laboratory of Molecular Pharmacology, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Av. Carlos Chagas Filho, 373, bloco J, sala J1-029, Rio de Janeiro, RJ, CEP 21941-902, Brazil
| | - Isabelle Medeiros
- Laboratory of Molecular Pharmacology, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Av. Carlos Chagas Filho, 373, bloco J, sala J1-029, Rio de Janeiro, RJ, CEP 21941-902, Brazil
| | - Mariana A Pranke
- Laboratory of Experimental Psychopharmacology, School of Pharmacy, Federal University of Rio Grande do Sul, Av. Ipiranga 2752, sala 503-B, Porto Alegre, RS, CEP 90610-000, Brazil
| | - Camila B Antonio
- Laboratory of Experimental Psychopharmacology, School of Pharmacy, Federal University of Rio Grande do Sul, Av. Ipiranga 2752, sala 503-B, Porto Alegre, RS, CEP 90610-000, Brazil
| | - Stela M K Rates
- Laboratory of Experimental Psychopharmacology, School of Pharmacy, Federal University of Rio Grande do Sul, Av. Ipiranga 2752, sala 503-B, Porto Alegre, RS, CEP 90610-000, Brazil
| | - Gilda A Neves
- Laboratory of Experimental Psychopharmacology, School of Pharmacy, Federal University of Rio Grande do Sul, Av. Ipiranga 2752, sala 503-B, Porto Alegre, RS, CEP 90610-000, Brazil; Laboratory of Molecular Pharmacology, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Av. Carlos Chagas Filho, 373, bloco J, sala J1-029, Rio de Janeiro, RJ, CEP 21941-902, Brazil.
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25
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Pozdnyakov IP, Tyutereva YE, Parkhats MV, Grivin VP, Fang Y, Liu L, Wan D, Luo F, Chen Y. Mechanistic investigation of humic substances assisted photodegradation of imipramine under simulated sunlight. Sci Total Environ 2020; 738:140298. [PMID: 32806347 DOI: 10.1016/j.scitotenv.2020.140298] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 06/07/2020] [Accepted: 06/15/2020] [Indexed: 06/11/2023]
Abstract
Imipramine (IMI) is a frequently prescribed tricyclic antidepressant and widely detected in the natural waters, while the environmental fate of IMI is yet poorly understood. Here, we investigated the photodegradation of IMI under simulated sunlight in the presence of humic substances (HS), typically including humic acid (HA) and fulvic acid (FA). The direct and indirect IMI photodegradation was found to increase both with increasing pH and with deoxygenation of the reaction solutions. The excited triplet state of HS (3HS⁎) was mainly responsible for the photosensitized degradation of IMI according to the steady-state quenching and direct time-resolved experiments. The electron transfer interaction between 3HS⁎ and IMI was observed by laser flash photolysis (LFP) with bimolecular reaction rate constants of (4.9 ± 0.4) × 109 M-1 s-1. Evidence of electron transfer from IMI to 3HS⁎ was further demonstrated by the photoproduct analysis. The indirect photodegradation was triggered off in the side chain of IMI with the nonbonding nitrogen electron transferring to 3HS⁎, followed by hydroxylation, demethylation and cleavage of the side chain. Very important that HS photosystem does not lose its efficiency with decreasing of IMI concentration, meaning that the studied photosystem still be used at environmentally relevant concentrations of IMI. These results suggest that photodegradation could be an important attenuation pathway for IMI in HS-rich and anaerobic natural waters.
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Affiliation(s)
- Ivan P Pozdnyakov
- Novosibirsk State University, 630090 Novosibirsk, Russian Federation; Voevodsky Institute of Chemical Kinetics and Combustion, 630090 Novosibirsk, Russian Federation
| | - Yuliya E Tyutereva
- Novosibirsk State University, 630090 Novosibirsk, Russian Federation; Voevodsky Institute of Chemical Kinetics and Combustion, 630090 Novosibirsk, Russian Federation
| | - Marina V Parkhats
- B.I. Stepanov Institute of Physics National Academy of Sciences of Belarus, 220072 Minsk, Belarus
| | - Vyacheslav P Grivin
- Novosibirsk State University, 630090 Novosibirsk, Russian Federation; Voevodsky Institute of Chemical Kinetics and Combustion, 630090 Novosibirsk, Russian Federation
| | - Yuan Fang
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, 430074 Wuhan, China
| | - Lu Liu
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, 430074 Wuhan, China
| | - Dong Wan
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, 430074 Wuhan, China
| | - Fan Luo
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, 430074 Wuhan, China
| | - Yong Chen
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, 430074 Wuhan, China.
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26
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D'Aquila PS, Galistu A. Microstructure analysis of sucrose ingestion in the course of chronic treatment with imipramine. Physiol Behav 2020; 224:113032. [PMID: 32598942 DOI: 10.1016/j.physbeh.2020.113032] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 05/22/2020] [Accepted: 06/24/2020] [Indexed: 12/11/2022]
Abstract
The analysis of licking microstructure provides measures which might be interpreted in terms of psychological constructs, such as pleasure and motivation, relevant for the interpretation of the effects of antidepressant drugs. The aim of this study was to characterise the effect of the prototypical antidepressant imipramine on the microstructure of licking for a 10% sucrose solution. In particular, ten 30-min sessions were performed in the course of a daily 21 day treatment with imipramine - 5, 10 and 20 mg/kg/die administered intraperitoneally. To interpret drug effects in relation to the presumed concentration of imipramine and its active metabolite desipramine, the experimental sessions were performed in an alternate order either 1-h or 24-h after imipramine administration. In the sessions performed 1-h after drug administration, the results showed a dose-dependent reduction of sucrose ingestion, accounted for by a reduction of the licking burst number. Moreover, reduced intra-burst lick rate and increased latency to lick were observed with the highest doses. Imipramine effect in the sessions performed 24-h after drug administration was similar but less pronounced. These results are consistent with the hypothesis that the reduction of sucrose ingestion might be due to reduced motivation and/or to a potentiation of satiety signals. These effects appear to be related, at least in part, to brain drug levels at testing time, and do not seem related to the mechanisms underlying the antidepressant therapeutic effect. However, these results might be relevant in explaining the effects of imipramine in models of drug-seeking and on body weight.
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27
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Stachowicz K. Indomethacin, a nonselective cyclooxygenase inhibitor, does not interact with MTEP in antidepressant-like activity, as opposed to imipramine in CD-1 mice. Eur J Pharmacol 2020; 888:173585. [PMID: 32971092 DOI: 10.1016/j.ejphar.2020.173585] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [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: 05/15/2020] [Revised: 09/16/2020] [Accepted: 09/17/2020] [Indexed: 02/03/2023]
Abstract
The contribution of metabotropic glutamate receptors (mGlu receptors) in depression is well known and tested worldwide. Our previous study showed the involvement of the cyclooxygenase-2 (COX-2) pathway in behavioral changes mediated by an antagonist of metabotropic glutamate receptor subtype 5 (mGlu5 receptor) 3-[(2-methyl-1,3-tiazol-4-yl)ethynyl]-pyridine (MTEP). Among others, we have found that chronic concomitant administration of a COX-2 inhibitor and sub-effective dose of MTEP accelerates antidepressant-like activity of MTEP. This paper seeks to explore whether the same effect would be observed with the use of a non-selective COX inhibitor 2-[1-(4-chlorobenzoyl)-5-methoxy-2-methylindol-3-yl]acetic acid (indomethacin). To that end, we have employed experimental procedure implemented in the earlier research. MTEP and indomethacin or MTEP + indomethacin were used chronically for 7 or 14 days. Then, the Porsolt test, tail suspension test and locomotor activity test were performed. Imipramine was used as a reference compound, as its action is connected with mGlu5 receptor. We found that, in contrast to COX-2 inhibition, indomethacin - acting both through COX-1 and COX-2 - did not release antidepressant-like potential of MTEP. The opposite effect was shown when imipramine was used.
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Affiliation(s)
- Katarzyna Stachowicz
- Department of Neurobiology, Maj Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343, Kraków, Poland.
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28
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Nozu T, Miyagishi S, Ishioh M, Takakusaki K, Okumura T. Imipramine improves visceral sensation and gut barrier in rat models of irritable bowel syndrome. Eur J Pharmacol 2020; 887:173565. [PMID: 32946869 DOI: 10.1016/j.ejphar.2020.173565] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 09/11/2020] [Accepted: 09/14/2020] [Indexed: 12/18/2022]
Abstract
An impaired gut barrier, possibly leading to visceral hypersensitivity has been recently recognized to be one of the pivotal pathophysiology of irritable bowel syndrome (IBS). We previously showed that lipopolysaccharide (LPS), corticotropin-releasing factor (CRF), and repeated water avoidance stress (WAS) induce visceral hypersensitivity and colonic hyperpermeability via pro-inflammatory cytokine signaling (rat IBS models). Although the precise mechanisms of action are unclear, imipramine, a tricyclic antidepressant, improves IBS symptoms, and also has anticytokine properties. In this study, we hypothesized that imipramine improves the gut barrier to ameliorate IBS symptoms. To test this hypothesis, we determined its effects on visceral hypersensitivity and colonic hyperpermeability in rat IBS models. The visceral pain threshold in response to colonic balloon distention was electrophysiologically estimated by abdominal muscle contractions, and colonic permeability was measured by quantifying the absorbed Evans blue in colonic tissue in vivo. Subcutaneous imipramine injection (7, 20, 50 mg/kg) dose-dependently inhibited LPS-induced (1 mg/kg, subcutaneously) visceral hypersensitivity and colonic hyperpermeability. Imipramine also blocked these gastrointestinal (GI) changes induced by CRF (50 μg/kg, intraperitoneally) or repeated WAS (1 h daily for 3 days). Yohimbine (an α2-adrenoceptors antagonist), sulpiride (a dopamine D2 receptor antagonist), and naloxone hydrochloride (an opioid receptor antagonist) reversed these effects of imipramine in the LPS model. Therefore, imipramine may block GI changes in IBS via α2-adrenoceptors, dopamine D2, and opioid signaling. The improvement in the gut barrier resulting in inhibition of visceral pain is considered a valid mechanism of imipramine to ameliorate IBS symptoms.
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Wang YJ, Liu L, Wang Y, Wang JL, Gao TT, Wang H, Chen TT, Guan W, Jiang B. Imipramine exerts antidepressant-like effects in chronic stress models of depression by promoting CRTC1 expression in the mPFC. Brain Res Bull 2020; 164:257-268. [PMID: 32905805 DOI: 10.1016/j.brainresbull.2020.08.028] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [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: 05/28/2020] [Revised: 08/24/2020] [Accepted: 08/26/2020] [Indexed: 10/23/2022]
Abstract
Recent studies have suggested that CREB-regulated transcription coactivator 1 (CRTC1) plays a role in the pathophysiology of depression. Although imipramine is thought to prevent the reuptake of synaptic serotonin and norepinephrine, its antidepressant-like mechanisms remain elusive. In this study, the effects of imipramine on CRTC1 were studied in several models of depression, including the chronic restraint stress (CRS), chronic unpredictable mild stress (CUMS) and chronic social defeat stress (CSDS) models. We examined whether repeated imipramine administration can reverse the effects of CRS, CUMS and CSDS on CRTC1 expression in both the hippocampus and medial prefrontal cortex (mPFC). Furthermore, genetic knockdown of CRTC1 by CRTC1-shRNA was used to determine whether CRTC1 is necessary for the antidepressant-like effects of imipramine in mice. Our results showed that imipramine reversed the down-regulating effects of CRS, CUMS and CSDS on CRTC1 expression in the mPFC but not the hippocampus, and that CRTC1-shRNA fully abolished the antidepressant-like actions of imipramine in mice. In conclusion, CRTC1 in the mPFC is involved in the antidepressant mechanism of imipramine.
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Affiliation(s)
- Ying-Jie Wang
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong, 226001, Jiangsu, China; Provincial Key Laboratory of Inflammation and Molecular Drug Target, Jiangsu, China
| | - Ling Liu
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong, 226001, Jiangsu, China; Provincial Key Laboratory of Inflammation and Molecular Drug Target, Jiangsu, China
| | - Yuan Wang
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong, 226001, Jiangsu, China; Provincial Key Laboratory of Inflammation and Molecular Drug Target, Jiangsu, China
| | - Jin-Liang Wang
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong, 226001, Jiangsu, China; Provincial Key Laboratory of Inflammation and Molecular Drug Target, Jiangsu, China
| | - Ting-Ting Gao
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong, 226001, Jiangsu, China; Provincial Key Laboratory of Inflammation and Molecular Drug Target, Jiangsu, China
| | - Hao Wang
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong, 226001, Jiangsu, China; Provincial Key Laboratory of Inflammation and Molecular Drug Target, Jiangsu, China
| | - Ting-Ting Chen
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong, 226001, Jiangsu, China; Provincial Key Laboratory of Inflammation and Molecular Drug Target, Jiangsu, China
| | - Wei Guan
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong, 226001, Jiangsu, China; Provincial Key Laboratory of Inflammation and Molecular Drug Target, Jiangsu, China
| | - Bo Jiang
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong, 226001, Jiangsu, China; Provincial Key Laboratory of Inflammation and Molecular Drug Target, Jiangsu, China.
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Haduch A, Bromek E, Rysz M, Pukło R, Papp M, Gruca P, Łasoń M, Niemczyk M, Daniel WA. The effects of agomelatine and imipramine on liver cytochrome P450 during chronic mild stress (CMS) in the rat. Pharmacol Rep 2020; 72:1271-1287. [PMID: 32748256 PMCID: PMC7550324 DOI: 10.1007/s43440-020-00151-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 07/10/2020] [Accepted: 07/27/2020] [Indexed: 12/16/2022]
Abstract
BACKGROUND The aim of our research was to determine the effects of chronic treatment with the atypical antidepressant agomelatine on the expression and activity of liver cytochrome P450 (CYP) in the chronic mild stress (CMS) model of depression, and to compare the results with those obtained for the first-generation antidepressant imipramine. METHODS Male Wistar rats were subjected to CMS for 7 weeks. Imipramine (10 mg/kg ip/day) or agomelatine (40 mg/kg ip/day) was administered to nonstressed or stressed animals for 5 weeks (weeks 3-7 of CMS). The levels of cytochrome P450 mRNA, protein and activity were measured in the liver. RESULTS Agomelatine and imipramine produced different broad-spectrum effects on cytochrome P450. Like imipramine, agomelatine increased the expression/activity of CYP2B and CYP2C6, and decreased the CYP2D activity. Unlike imipramine, agomelatine raised the expression/activity of CYP1A, CYP2A and reduced that of CYP2C11 and CYP3A. CMS modified the effects of antidepressants at transcriptional/posttranscriptional level; however, the enzyme activity in stressed rats remained similar to that in nonstressed animals. CMS alone decreased the CYP2B1 mRNA level and increased that of CYP2C11. CONCLUSION We conclude the following: (1) the effects of agomelatine and imipramine on cytochrome P450 are different and involve both central and peripheral regulatory mechanisms, which implicates the possibility of drug-drug interactions; (2) CMS influences the effects of antidepressants on cytochrome P450 expression, but does not change appreciably their effects on the enzyme activity. This suggests that the rate of antidepressant drug metabolism under CMS is similar to that under normal conditions.
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Affiliation(s)
- Anna Haduch
- Department of Pharmacokinetics and Drug Metabolism, Maj Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343, Kraków, Poland
| | - Ewa Bromek
- Department of Pharmacokinetics and Drug Metabolism, Maj Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343, Kraków, Poland
| | - Marta Rysz
- Department of Pharmacokinetics and Drug Metabolism, Maj Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343, Kraków, Poland
| | - Renata Pukło
- Department of Pharmacokinetics and Drug Metabolism, Maj Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343, Kraków, Poland
| | - Mariusz Papp
- Department of Pharmacology, Maj Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343, Kraków, Poland
| | - Piotr Gruca
- Department of Pharmacology, Maj Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343, Kraków, Poland
| | - Magdalena Łasoń
- Department of Pharmacology, Maj Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343, Kraków, Poland
| | - Monika Niemczyk
- Department of Pharmacology, Maj Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343, Kraków, Poland
| | - Władysława A Daniel
- Department of Pharmacokinetics and Drug Metabolism, Maj Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343, Kraków, Poland.
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Aree T. β-Cyclodextrin Inclusion Complexation With Tricyclic Antidepressants Desipramine and Imipramine: A Structural Chemistry Perspective. J Pharm Sci 2020; 109:3086-3094. [PMID: 32679212 DOI: 10.1016/j.xphs.2020.07.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [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: 05/24/2020] [Revised: 06/20/2020] [Accepted: 07/07/2020] [Indexed: 12/30/2022]
Abstract
Single-crystal X-ray diffraction and DFT calculation have been carried out for an atomic-level understanding of β-cyclodextrin (β-CD) inclusion complexation with 2 tricyclic antidepressants (TCAs), desipramine and imipramine. X-ray analysis discloses that the A-C-rings are buried in the β-CD cavity and the side chain is mostly outside the cavity, nearby the O2-H/O3-H side. Hence, the inclusion structures of both complexes are stabilized by host-guest C5-H∙∙∙π interaction and N5'-H∙∙∙O5/O6 H-bonds of twofold-screw-symmetry-related molecules, which are similar to those of the reported complexes of nortriptyline and amitriptyline. The DFT full-geometry optimization in the gas phase reveals an alternative inclusion scenario with the TCA side chain that is embedded in the β-CD cavity and stabilized by intermolecular O6-H∙∙∙N5' H-bond and O2-H/O3-H∙∙∙π interactions. The β-CD encapsulation of the TCA side chain is more energetically stable by 10.76 and 4.70 kcal mol-1 than that of the aromatic moiety for the respective complexes of DPM and IPM, based on the relative stabilization energies (ΔΔEstb). This suggests the existence of the bimodal β-CD-TCA inclusion complexes as spectroscopically observed in solution, thus explaining the controversy in the inclusion mode and the improvement of TCA therapeutic effect by CD encapsulation.
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Affiliation(s)
- Thammarat Aree
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand.
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Solek P, Koszla O, Mytych J, Badura J, Chelminiak Z, Cuprys M, Fraczek J, Tabecka-Lonczynska A, Koziorowski M. Neuronal life or death linked to depression treatment: the interplay between drugs and their stress-related outcomes relate to single or combined drug therapies. Apoptosis 2020; 24:773-784. [PMID: 31278507 PMCID: PMC6711955 DOI: 10.1007/s10495-019-01557-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Depression is a serious medical condition, typically treated by antidepressants. Conventional monotherapy can be effective only in 60–80% of patients, thus modern psychiatry deals with the challenge of new methods development. At the same moment, interactions between antidepressants and the occurrence of potential side effects raise serious concerns, which are even more exacerbated by the lack of relevant data on exact molecular mechanisms. Therefore, the aims of the study were to provide up-to-date information on the relative mechanisms of action of single antidepressants and their combinations. In this study, we evaluated the effect of single and combined antidepressants administration on mouse hippocampal neurons after 48 and 96 h in terms of cellular and biochemical features in vitro. We show for the first time that co-treatment with amitriptyline/imipramine + fluoxetine initiates in cells adaptation mechanisms which allow cells to adjust to stress and finally exerts less toxic events than in cells treated with single antidepressants. Antidepressants treatment induces in neuronal cells oxidative and nitrosative stress, which leads to micronuclei and double-strand DNA brakes formation. At this point, two different mechanistic events are initiated in cells treated with single and combined antidepressants. Single antidepressants (amitriptyline, imipramine or fluoxetine) activate cell cycle arrest resulting in proliferation inhibition. On the other hand, treatment with combined antidepressants (amitriptyline/imipramine + fluoxetine) initiates p16-dependent cell cycle arrest, overexpression of telomere maintenance proteins and finally restoration of proliferation. In conclusion, our findings may pave the way to better understanding of the stress-related effects on neurons associated with mono- and combined therapy with antidepressants.
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Affiliation(s)
- Przemyslaw Solek
- Department of Animal Physiology and Reproduction, Faculty of Biotechnology, University of Rzeszow, Werynia 502, 36-100, Kolbuszowa, Poland.
| | - Oliwia Koszla
- Department of Animal Physiology and Reproduction, Faculty of Biotechnology, University of Rzeszow, Werynia 502, 36-100, Kolbuszowa, Poland.,Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Lab, Faculty of Pharmacy with Division of Medical Analytics, Medical University of Lublin, Chodzki 4A, 20-093, Lublin, Poland
| | - Jennifer Mytych
- Department of Animal Physiology and Reproduction, Faculty of Biotechnology, University of Rzeszow, Werynia 502, 36-100, Kolbuszowa, Poland
| | - Joanna Badura
- Department of Animal Physiology and Reproduction, Faculty of Biotechnology, University of Rzeszow, Werynia 502, 36-100, Kolbuszowa, Poland
| | - Zaneta Chelminiak
- Department of Animal Physiology and Reproduction, Faculty of Biotechnology, University of Rzeszow, Werynia 502, 36-100, Kolbuszowa, Poland
| | - Magdalena Cuprys
- Department of Animal Physiology and Reproduction, Faculty of Biotechnology, University of Rzeszow, Werynia 502, 36-100, Kolbuszowa, Poland
| | - Joanna Fraczek
- Department of Animal Physiology and Reproduction, Faculty of Biotechnology, University of Rzeszow, Werynia 502, 36-100, Kolbuszowa, Poland
| | - Anna Tabecka-Lonczynska
- Department of Animal Physiology and Reproduction, Faculty of Biotechnology, University of Rzeszow, Werynia 502, 36-100, Kolbuszowa, Poland
| | - Marek Koziorowski
- Department of Animal Physiology and Reproduction, Faculty of Biotechnology, University of Rzeszow, Werynia 502, 36-100, Kolbuszowa, Poland
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Yamuna A, Sundaresan P, Chen SM. Sonochemical preparation of bismuth oxide nanotiles decorated exfoliated graphite for the electrochemical detection of imipramine. Ultrason Sonochem 2020; 64:105014. [PMID: 32078909 DOI: 10.1016/j.ultsonch.2020.105014] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 02/04/2020] [Accepted: 02/06/2020] [Indexed: 06/10/2023]
Abstract
This work described the sonohydrolysis of Bi(NO3)3 into Bi2O3 and simultaneous sonochemical exfoliation of graphite into graphene sheets in the alkaline environment and its electocatalytic performance towards the detection of anti-depression drug imipramine (IMPR). The ultrasound (37/80 kHz; 60 W) effectively hydrolyzed the Bi(NO3)3 into a single crystalline monoclinic phase of Bi2O3 nanotiles in the alkaline condition. And also, the sonochemical reaction condition can trigger the lamellar particles on the graphite bulk surface and allowed to exfoliated the graphite (EG) into graphene nanosheets as well. The material characterizations are done by XRD, Raman, FESEM, and HRTEM. It shows the α-Bi2O3 nanotiles along with EG nanosheets with high crystallinity and low defects. The (0 0 2) plane in XRD confirms the high crystalline nature of EG. The monoclinic stretching vibrations (90-600 cm-1) confirms the Raman modes of Bi2O3. The prepared Bi2O3-EG composites are subjected to the electrochemical determination of IMPR which revealed appreciable analytical performances. The results showed that the Bi2O3-EG exhibits better results in the 3 h sonication process. Bi2O3-EG-3 exhibited a good linear range (0.02-82.3 µM) and an acceptable limit of detection (6 nM). And also Bi2O3-EG-3 exhibits the significant tolerance limit when compared to other potential interfering compounds.
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Affiliation(s)
- Annamalai Yamuna
- Electroanalysis and Bioelectrochemistry Lab, Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 106, Taiwan
| | - Periyasamy Sundaresan
- Electroanalysis and Bioelectrochemistry Lab, Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 106, Taiwan
| | - Shen-Ming Chen
- Electroanalysis and Bioelectrochemistry Lab, Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 106, Taiwan.
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Fatima M, Ahmad MH, Srivastav S, Rizvi MA, Mondal AC. A selective D2 dopamine receptor agonist alleviates depression through up-regulation of tyrosine hydroxylase and increased neurogenesis in hippocampus of the prenatally stressed rats. Neurochem Int 2020; 136:104730. [PMID: 32201282 DOI: 10.1016/j.neuint.2020.104730] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [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: 10/30/2019] [Revised: 03/17/2020] [Accepted: 03/18/2020] [Indexed: 01/16/2023]
Abstract
Prenatal stress (PNS) has its negative impact on both the infant hippocampal neurogenesis and pregnancy outcomes in the neonates that serves as a risk factor for postnatal depression in adult offsprings. Therefore, main objectives of the present study were to evaluate the effect of maternal chronic unpredictable mild stress (CUMS) on behavioural changes, levels of oxidative stress, changes in selective developmental signaling genes and neurogenesis in the adult brain of Wistar rats and its reversal through a selective non-ergoline D2 type dopamine receptor (D2R) agonist Ropinirole (ROPI). Effects of ROPI treatment on CUMS induced adult rats offspring were measured by assessment of behavioural tests (sucrose preference test and forced swim test), biomarkers of oxidative stress, protein expression of tyrosine hydroxylase (TH), mRNA expression of SHH, GSK-3β, β-catenin, Notch, brain-derived neurotrophic factor (BDNF), Dopamine receptor 2 (Drd2) and bromodeoxyuridine (BrdU) cell proliferation assay. The oxidative stress, protein and mRNA expression were determined in the hippocampus and prefrontal cortex while the BrdU cell proliferation was observed in the hippocampus of rat brain. PNS induced changes resulted in depression validated by the depression-like behaviours, increased oxidative stress, decreased TH expression, altered expression of selective developmental genes, along with the reduced hippocampal neurogenesis and BDNF expression in the brain of adult offsprings. Chronic ROPI treatment reversed those effects and was equally effective like Imipramine (IMI) treatment. So, the present study suggested that ROPI can be used as an antidepressant drug for the treatment of depressive disorders.
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Affiliation(s)
- Mahino Fatima
- Laboratory of Cellular and Molecular Neurobiology, School of Life Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Mir Hilal Ahmad
- Laboratory of Cellular and Molecular Neurobiology, School of Life Sciences, Jawaharlal Nehru University, New Delhi, 110067, India; Department of Biosciences, Jamia Millia Islamia, New Delhi, 110025, India
| | - Saurabh Srivastav
- Laboratory of Cellular and Molecular Neurobiology, School of Life Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | | | - A C Mondal
- Laboratory of Cellular and Molecular Neurobiology, School of Life Sciences, Jawaharlal Nehru University, New Delhi, 110067, India.
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Stachowicz K, Bobula B, Tokarski K. NS398, a cyclooxygenase-2 inhibitor, reverses memory performance disrupted by imipramine in C57Bl/6J mice. Brain Res 2020; 1734:146741. [PMID: 32088181 DOI: 10.1016/j.brainres.2020.146741] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 02/18/2020] [Accepted: 02/19/2020] [Indexed: 11/21/2022]
Abstract
Imipramine has been widely used as an antidepressant in the clinic over the years. Unfortunately, it produces a detrimental effect on memory. At the same time, COX-2 inhibitors engagement in the mechanisms of memory formation, and synapse plastic changes has been well documented. Our previous studies have demonstrated the contribution of cyclooxygenase-2 (COX-2) inhibition to the parameters of the mGluR5 pathway in memory formation. Because chronic administration of imipramine has been shown to affect mGluR5, the purpose of this study was to verify the hypothesis of COX-2 pathway engagement in disrupting effects of imipramine. Imipramine is currently used as a reference compound, and therefore it seems important to decipher and understand mood-related pathways, as well as cognitive changes activated during its use. This study covers the examination of spatial, and motor parameters. To this end, C57Bl/6J mice received imipramine, and NS398 (a COX-2 inhibitor) alone, or in combination for 7 or 14 days. We performed the modified Barnes maze (MBM), modified rotarod (MR) tests, and electrophysiological studies. The harmful effect of imipramine on MBM learning was improved by NS398 use. The same modulatory role of the COX-2 inhibitor in procedural learning in the MR test was found. In conclusion, our data show the involvement of the COX-2 pathway in changes in the long-term memory, and procedural memory of C57Bl/6J mice after chronic imipramine treatment.
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Maraschin JC, Sestile CC, Yabiku CT, Roncon CM, de Souza Fiaes GC, Graeff FG, Audi EA, Zangrossi H. Effects of the adjunctive treatment of antidepressants with opiorphin on a panic-like defensive response in rats. Behav Brain Res 2020; 378:112263. [PMID: 31568834 DOI: 10.1016/j.bbr.2019.112263] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [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: 06/17/2019] [Revised: 09/25/2019] [Accepted: 09/26/2019] [Indexed: 10/25/2022]
Abstract
BACKGROUND Antidepressants are the first-choice for pharmacological treatment of panic disorder. However, they present disadvantages, such as delayed therapeutic effect, many side effects and a considerable rate of non-responders. These shortcomings prompt the development of new therapeutic strategies. Among these are the adjunctive use of enkephalinase inhibitors, such as opiorphin, which supposedly acts by increasing the availability of brain enkephalins and other endogenous opioids. AIMS We here evaluated whether opiorphin in the dorsal periaqueductal grey matter (dPAG), a key panic-related area, accelerates and/or facilitates the antipanic-like effect of fluoxetine or imipramine. We also verified whether the panicolytic effect of imipramine depends on activation of μ-opioid receptors (MORs). METHODS Male Wistar rats were submitted to the escape task of the elevated T-maze, an index of panic attack, after treatment with imipramine (3, 7 or 21 days) or fluoxetine (3, 7, 14 or 21 days), combined with an intra-dPAG injection of opiorphin. RESULTS Opiorphin facilitated and accelerated the panicolytic-like effect caused by imipramine, but not with fluoxetine. The antipanic-like effect caused by chronic imipramine did not depend on MOR activation in the dPAG. CONCLUSION Combined treatment of antidepressant drugs with opiorphin for hastening or potentiating the effects of the former compounds may not be generally effective, with the results varying depending on the type/class of these panicolytic drugs.
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Affiliation(s)
- Jhonatan Christian Maraschin
- Department of Pharmacology and Therapeutics, State University of Maringá, Av. Colombo, 5790, Maringá, Paraná, 87020-900, Brazil
| | - Caio César Sestile
- Department of Pharmacology and Therapeutics, State University of Maringá, Av. Colombo, 5790, Maringá, Paraná, 87020-900, Brazil
| | - Cláudia Tiemi Yabiku
- Department of Pharmacology and Therapeutics, State University of Maringá, Av. Colombo, 5790, Maringá, Paraná, 87020-900, Brazil
| | - Camila Marroni Roncon
- Department of Pharmacology and Therapeutics, State University of Maringá, Av. Colombo, 5790, Maringá, Paraná, 87020-900, Brazil
| | - Gislaine Cardoso de Souza Fiaes
- Department of Pharmacology and Therapeutics, State University of Maringá, Av. Colombo, 5790, Maringá, Paraná, 87020-900, Brazil
| | - Frederico Guilherme Graeff
- Behavioural Neurosciences Institute (INeC), Av. do Café, 2450, Monte Alegre, Ribeirão Preto, São Paulo, 14050-220, Brazil; Neurobiology of Emotions Research Centre (NAP-USP-NuPNE), School of Medicine of Ribeirão Preto, University of São Paulo (FMRP-USP), Av. dos Bandeirantes, 3900, Ribeirao Preto, São Paulo, 14049-900, Brazil
| | - Elisabeth Aparecida Audi
- Department of Pharmacology and Therapeutics, State University of Maringá, Av. Colombo, 5790, Maringá, Paraná, 87020-900, Brazil; Behavioural Neurosciences Institute (INeC), Av. do Café, 2450, Monte Alegre, Ribeirão Preto, São Paulo, 14050-220, Brazil; Neurobiology of Emotions Research Centre (NAP-USP-NuPNE), School of Medicine of Ribeirão Preto, University of São Paulo (FMRP-USP), Av. dos Bandeirantes, 3900, Ribeirao Preto, São Paulo, 14049-900, Brazil
| | - Hélio Zangrossi
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo (FMRP-USP), Av. dos Bandeirantes, 3900, Ribeirão Preto, São Paulo, 14049-900, Brazil.
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Ionov ID, Pushinskaya II, Gorev NP, Shpilevaya LA. Synergistic anticataleptic effect of imipramine and nicotine in a rotenone-induced rat model. Psychopharmacology (Berl) 2019; 236:3125-3133. [PMID: 31069424 DOI: 10.1007/s00213-019-05261-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 04/26/2019] [Indexed: 12/21/2022]
Abstract
RATIONALE Some antidepressants have been previously found to produce anti-parkinsonian effect; nicotine was known to mitigate experimental neurotoxic lesions. The anticataleptic efficacy of antidepressant-nicotine co-administration is unstudied. OBJECTIVES This work aimed to evaluate anticataleptic action of imipramine-nicotine combination in rotenone model. METHODS Catalepsy was measured by the bar test. Concentrations of tyrosine hydroxylase, dopamine, and DOPAC were determined in the substantia nigra and dorsal striatum using ELISA and HPLC techniques; additionally, dopamine/DOPAC ratio was calculated for both areas. RESULTS Imipramine and nicotine alone were ineffective; however, co-administration of the drugs significantly (p < 0.01) inhibited rotenone-induced catalepsy and mitigated neurochemical changes in the nigrostriatal system. Anticataleptic effect of the combination exceeded that of levodopa, a standard drug for anti-parkinsonian treatment. CONCLUSION The combined use of imipramine and nicotine at relatively low doses inhibits neurotoxin-induced catalepsy and nigrostriatal neurochemical changes. The co-administration of these drugs might be a new approach to the treatment of extrapyramidal dysfunctions.
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Affiliation(s)
- Ilya D Ionov
- Centre on Theoretical Problems in Physical and Chemical Pharmacology, Russian Academy of Sciences, Leninsky prospect 123-4-63, Moscow, 117513, Russia.
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Ribeiro DE, Casarotto PC, Staquini L, Pinto E Silva MA, Biojone C, Wegener G, Joca S. Reduced P2X receptor levels are associated with antidepressant effect in the learned helplessness model. PeerJ 2019; 7:e7834. [PMID: 31656696 PMCID: PMC6812674 DOI: 10.7717/peerj.7834] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 09/04/2019] [Indexed: 12/17/2022] Open
Abstract
Purinergic receptors, especially P2RX, are associated to the severity of symptoms in patients suffering from depressive and bipolar disorders, and genetic deletion or pharmacological blockade of P2RX7 induces antidepressant-like effect in preclinical models. However, there is scarce evidence about the alterations in P2RX7 or P2RX4 levels and in behavioral consequences induced by previous exposure to stress, a major risk factor for depression in humans. In the present study, we evaluated the effect of imipramine (IMI) on P2RX7 and P2RX4 levels in dorsal and ventral hippocampus as well as in the frontal cortex of rats submitted to the pretest session of learned helplessness (LH) paradigm. Repeated, but not acute administration of IMI (15 mg/kg ip) reduced the levels of both P2RX7 and P2RX4 in the ventral, but not in dorsal hippocampus or frontal cortex. In addition, we tested the effect of P2RX7/P2RX4 antagonist brilliant blue G (BBG: 25 or 50 mg/kg ip) on the LH paradigm. We observed that repeated (7 days) but not acute (1 day) treatment with BBG (50 mg) reduced the number of failures to escape the shocks in the test session, a parameter mimicked by the same regimen of IMI treatment. Taken together, our data indicates that pharmacological blockade or decrease in the expression of P2RX7 is associated to the antidepressant-like behavior observed in the LH paradigm after repeated drug administration.
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Affiliation(s)
- Deidiane Elisa Ribeiro
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil.,Department of Clinical Medicine, Translational Neuropsychiatry Unit, Aarhus University, Aarhus, Denmark.,Department of Biochemistry, Chemistry Institute, University of São Paulo, São Paulo, Brazil
| | | | - Laura Staquini
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Maria Augusta Pinto E Silva
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Caroline Biojone
- Neuroscience Center-HILIFE, University of Helsinki, Helsinki, Finland
| | - Gregers Wegener
- Department of Clinical Medicine, Translational Neuropsychiatry Unit, Aarhus University, Aarhus, Denmark
| | - Samia Joca
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil.,Aarhus Institute of Advanced Studies (AIAS), Aarhus University, Aarhus, Denmark
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Huang Y, Xu D, Xiang H, Yan S, Sun F, Wei Z. Rapid antidepressant actions of imipramine potentiated by zinc through PKA-dependented regulation of mTOR and CREB signaling. Biochem Biophys Res Commun 2019; 518:337-343. [PMID: 31420165 DOI: 10.1016/j.bbrc.2019.08.059] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 08/10/2019] [Indexed: 12/13/2022]
Abstract
The slow onset of traditional antidepressants has become an urgent clinical issue, researchers are constantly exploring new antidepressants with prompt action. Previous studies have found that zinc levels were decreased in serum and brain of depressed patients or animal models. Zinc treatment can improve depressive symptoms and enhance the antidepressant effects of monoamine antidepressants. However, its mechanism of action is still unclear. This present study aims to investigate whether the zinc can enhance the rapid action of traditional antidepressant imipramine and to explore the potential mechanisms of action through the rapid antidepressant targets CREB (cAMP-response element binding protein) and mTOR (mammalian target of the rapamycin). Drug treatment included intraperitoneal injection of imipramine or zinc alone and imipramine plus zinc. Zinc had a rapid enhanced antidepressive effect on the imipramine and achieved a rapid antidepressant effect similar to ketamine. Combination of zinc with imipramine rapidly enhanced the phosphorylation of mTOR Ser2448 and CREB Ser133, and increased the expression of mTOR and CREB, which were dependent on the activation of PKA. In conclusion, combination therapy with zinc and monoamine antidepressants may overcome the problem of slow-onset action of traditional antidepressants in clinical uses.
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Affiliation(s)
- Yeqing Huang
- Department of Neurology, School of Clinical Medicine, The First Affiliated Hospital of Guangdong Pharmaceutical University, 19 Nonglinxia Road, Guangzhou, 510080, China
| | - Danhong Xu
- Department of Neurology, School of Clinical Medicine, The First Affiliated Hospital of Guangdong Pharmaceutical University, 19 Nonglinxia Road, Guangzhou, 510080, China
| | - Haiqing Xiang
- Department of Neurology, School of Clinical Medicine, The First Affiliated Hospital of Guangdong Pharmaceutical University, 19 Nonglinxia Road, Guangzhou, 510080, China
| | - Shi Yan
- The Institute of Neuroscience, The Second Affiliated Hospital of Guangzhou Medical University, 250 Changgang East Road, Guangzhou, 510260, China
| | - Fangfang Sun
- The Institute of Neuroscience, The Second Affiliated Hospital of Guangzhou Medical University, 250 Changgang East Road, Guangzhou, 510260, China
| | - Zhisheng Wei
- Department of Neurology, School of Clinical Medicine, The First Affiliated Hospital of Guangdong Pharmaceutical University, 19 Nonglinxia Road, Guangzhou, 510080, China.
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Barlaz Us S, Sogut F, Yildirim M, Yetkin D, Yalin S, Yilmaz SN, Comelekoglu U. Effect of Imipramine on radiosensitivity of Prostate Cancer: An In Vitro Study. Cancer Invest 2019; 37:489-500. [PMID: 31496302 DOI: 10.1080/07357907.2019.1662434] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Prostate cancer is the most common cancer and leading cause of cancer death for males. Imipramine (IMI), which is a tricyclic antidepressant, has also been shown to has antineoplastic effect. This study was performed to investigate the radiosensitizing effect of IMI on DU145 prostate cancer cell. Cells were divided into 4 groups. Cell index, apoptotic activity, cell cycle arrest, oxidative stress and EAG1 channel currents were determined in all groups. Our findings showed that combined treatment with IMI and radiotherapy (RAD) did not enhance radiosensitivity of DU145 cells but as unexpected finding, treatment of IMI alone was more effective in DU145 cells.
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Affiliation(s)
- Songul Barlaz Us
- Department of Radiation Oncology Mersin-Turkey, School of Medicine, Mersin University , Mersin , Turkey
| | - Fatma Sogut
- Department of Perfusion Technology, Vocational School of Medical Services, Mersin University , Mersin , Turkey
| | - Metin Yildirim
- Department of Biochemistry, School of Pharmacy, Mersin University , Mersin , Turkey
| | - Derya Yetkin
- Institute of Advanced Technology Research and Application, Mersin University , Mersin , Turkey
| | - Serap Yalin
- Department of Biochemistry, School of Pharmacy, Mersin University , Mersin , Turkey
| | - Sakir Necat Yilmaz
- Department of Histology-Embryology, School of Medicine, Mersin University , Mersin , Turkey
| | - Ulku Comelekoglu
- Department of Biophysics, School of Medicine, Mersin University , Mersin , Turkey
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Cavalero TMS, Papa FO, Schmith RA, Scheeren VFC, Canuto LEF, Gobato MLM, Rodrigues LT, Freitas-Dell'aqua CP. Protocols using detomidine and oxytocin induce ex copula ejaculation in stallions. Theriogenology 2019; 140:93-98. [PMID: 31454723 DOI: 10.1016/j.theriogenology.2019.08.024] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [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: 05/15/2019] [Revised: 08/20/2019] [Accepted: 08/20/2019] [Indexed: 12/18/2022]
Abstract
Tricyclic antidepressives, such as imipramine, indirectly induce ejaculation by increasing the noradrenaline concentration, which triggers an α-adrenergic response, whereas α-adrenergic agonists, such as xylazine and detomidine, directly trigger ejaculation by activating the α-1 adrenergic receptors. Furthermore, serum oxytocin concentrations in stallions increase drastically before ejaculation, but decline immediately thereafter, implicating the role of this hormone in emission. The objectives of the present study were to: 1) compare the efficiency of various protocols for inducing ex copula ejaculation in stallions, 2) evaluate the benefits of including oxytocin in the protocols, and 3) compare the semen characteristics of ex copula versus in copula ejaculates. Nine protocols were used to induce ex copula ejaculation using various combinations of xylazine (X; 0.66 mg/kg, iv); oxytocin (O; 20 IU, iv), imipramine (I; 3 mg/kg, orally), and detomidine (D; 0.02 mg/kg, iv). Imipramine was given 2 h prior to the administration of α-adrenergic agonist (detomidine or xylazine) and oxytocin. If ejaculation did not occur within 10 min after treatment with an α-adrenergic agonist, a half-dose of the same product was injected. Twelve sexually mature stallions (6-26 y) were used; 9 of 12 stallions responded to the treatment. Two stallions responded to X or XO, four stallions responded to IX and IXO, one stallion responded to DO, and five responded to IDO. Stallions that responded to detomidine did not respond to xylazine. No stallion ejaculated in response to D, ID, or IO. Erections and masturbation occurred only in imipramine-treated stallions. Sperm quality was similar among all the protocols and was not significantly different from those in in copula ejaculates collected with an artificial vagina. In a separate trial, none of these protocols induced ex copula ejaculation in 2-3 y old stallions. The side effects included sialorrhea after imipramine administration in all the stallions and sedation after administration of xylazine or detomidine. In conclusion, the new protocol, IDO, and the traditional protocol, IX, had similar results, with IDO being a useful alternative protocol in stallions for which IX was not effective. Therefore, attempts using both the protocols are encouraged, as stallions that ejaculated upon administration of detomidine did not ejaculate when xylazine was administered, whereas those that responded to xylazine did not respond to detomidine.
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Affiliation(s)
- T M S Cavalero
- Department of Animal Reproduction and Veterinary Radiology, Faculty of Veterinary Medicine and Animal Science, FMVZ, Universidade Estadual Paulista "Júlio de Mesquita Filho", UNESP, Botucatu, SP, Brazil.
| | - F O Papa
- Department of Animal Reproduction and Veterinary Radiology, Faculty of Veterinary Medicine and Animal Science, FMVZ, Universidade Estadual Paulista "Júlio de Mesquita Filho", UNESP, Botucatu, SP, Brazil
| | - R A Schmith
- Department of Animal Reproduction and Veterinary Radiology, Faculty of Veterinary Medicine and Animal Science, FMVZ, Universidade Estadual Paulista "Júlio de Mesquita Filho", UNESP, Botucatu, SP, Brazil
| | - V F C Scheeren
- Department of Animal Reproduction and Veterinary Radiology, Faculty of Veterinary Medicine and Animal Science, FMVZ, Universidade Estadual Paulista "Júlio de Mesquita Filho", UNESP, Botucatu, SP, Brazil
| | - L E F Canuto
- Department of Animal Reproduction and Veterinary Radiology, Faculty of Veterinary Medicine and Animal Science, FMVZ, Universidade Estadual Paulista "Júlio de Mesquita Filho", UNESP, Botucatu, SP, Brazil
| | - M L M Gobato
- Department of Animal Reproduction and Veterinary Radiology, Faculty of Veterinary Medicine and Animal Science, FMVZ, Universidade Estadual Paulista "Júlio de Mesquita Filho", UNESP, Botucatu, SP, Brazil
| | - L T Rodrigues
- Department of Animal Reproduction and Veterinary Radiology, Faculty of Veterinary Medicine and Animal Science, FMVZ, Universidade Estadual Paulista "Júlio de Mesquita Filho", UNESP, Botucatu, SP, Brazil
| | - C P Freitas-Dell'aqua
- Department of Animal Reproduction and Veterinary Radiology, Faculty of Veterinary Medicine and Animal Science, FMVZ, Universidade Estadual Paulista "Júlio de Mesquita Filho", UNESP, Botucatu, SP, Brazil
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Panich S, Amatatongchai M. A non-toxic approach to assess total antioxidant capacity (TAC) of exotic tropical fruits from Thailand. J Food Sci Technol 2019; 56:3547-3552. [PMID: 31274923 DOI: 10.1007/s13197-019-03801-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 04/25/2019] [Accepted: 04/30/2019] [Indexed: 11/25/2022]
Abstract
A simple flow injection analysis (FIA) integrating with a metal-free approach for total antioxidant capacity (TAC) was developed. The non-toxic reaction was based on generating a vibrant blue radical from imipramine to avoid the potential interferents arising from the colorful fruit extracts. The blue radical can be rapidly scavenged by antioxidant compounds present in the sample. TAC values of Thai tropical fruit extracts were assessed by monitoring the quenching in absorbance of the test mixture following the addition of the antioxidant compounds/fruit extracts. The FIA co-operated in order to increase the sample throughput. The results demonstrated that Antidesma thwaiteaianum Muell. Arg. has the highest capacity followed by Terminalia chebula Retz. and Phyllanthus Emblica Linn., respectively. An excellent correlation between the proposed method was found with the DPPH assay. The proposed method allowed the TAC determination of fruit extracts in a high-throughput and straightforward way in accordance with the principles of green analytical chemistry.
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Affiliation(s)
- Sirirat Panich
- 1Division of Science, Faculty of Science and Technology, Rajamangala University of Technology Phra Nakhon, Bangkok, Thailand
| | - Maliwan Amatatongchai
- 2Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani, 34190 Thailand
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Duda W, Curzytek K, Kubera M, Connor TJ, Fagan EM, Basta-Kaim A, Trojan E, Papp M, Gruca P, Budziszewska B, Leśkiewicz M, Maes M, Lasoń W. Interaction of the immune-inflammatory and the kynurenine pathways in rats resistant to antidepressant treatment in model of depression. Int Immunopharmacol 2019; 73:527-538. [PMID: 31176083 DOI: 10.1016/j.intimp.2019.05.039] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 05/10/2019] [Accepted: 05/22/2019] [Indexed: 12/16/2022]
Abstract
The kynurenine pathway (KP), a major route of tryptophan catabolism, may be associated with the pathophysiology of depressive disorders. KP is responsible for ca. 99% of brain tryptophan metabolism via its degradation to kynurenine (KYN) catalyzed by indoleamine 2,3-dioxygenase (IDO). Some cytokines, such as interferon-γ (IFN-γ) and interleukin (IL)-6 are potent inducers of IDO. KYN is further converted by kynurenine aminotransferase (KAT) to the more neuroprotective kynurenic acid or by kynurenine 3-monooxygenase (KMO) to neurotoxic 3-hydroxykynurenine. The aim of the present study was to delineate whether the administration of imipramine (IMI) to rats subjected to chronic mild stress (CMS) may reverse behavioral changes induced by CMS in association with changes in immune-inflammatory markers and KP. We confirmed that the CMS procedure modeled one of the main symptoms of depression, i.e. anhedonia, and administration of IMI for 5 weeks resulted in a significant reduction in anhedonia in a majority of animals (CMS IMI-R animals), whereas 20% of animals did not respond to IMI treatment (CMS IMI-NR animals). We established that CMS procedure increased IFN-γ and IDO mRNA and decreased KAT II mRNA expression in the rat cortex. In the cortex and hippocampus, IMI treatment and non-responsiveness to IMI (in CMS IMI-NR animals) were associated with increased IL-6 mRNA expression. In the spleen, CMS increased production of IFN-γ and IL-6 proteins, while these cytokines were decreased by IMI in CMS IMI-R animals. Chronic IMI administration to CMS rats decreased IDO and KMO mRNA and protein expression and increased KAT II/KMO mRNA and protein ratio in IMI responders (CMS IMI-R) in comparison to CMS rats. In CMS IMI-NR rats, a significant increase in IDO mRNA expression and protein level in comparison with IMI responders was observed. Our findings indicate that resistance to therapeutic action of IMI could be explained by a deficiency of the inhibitory properties of IMI on IDO, KMO and KYN synthesis in the cortex. We conclude that the antidepressant activity of IMI may, at least in part, be explained by modulatory activities on the KAT II/KMO ratio in brain areas.
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Affiliation(s)
- Weronika Duda
- Department of Experimental Neuroendocrinology, Maj Institute of Pharmacology, Polish Academy of Sciences, Smetna Street 12, PL 31-343 Krakow, Poland
| | - Katarzyna Curzytek
- Department of Experimental Neuroendocrinology, Maj Institute of Pharmacology, Polish Academy of Sciences, Smetna Street 12, PL 31-343 Krakow, Poland
| | - Marta Kubera
- Department of Experimental Neuroendocrinology, Maj Institute of Pharmacology, Polish Academy of Sciences, Smetna Street 12, PL 31-343 Krakow, Poland.
| | - Thomas J Connor
- Neuroimmunology Research Group, Department of Physiology, School of Medicine & Trinity College Institute of Neuroscience, Trinity College, Dublin 2, Ireland
| | - Eimear M Fagan
- Neuroimmunology Research Group, Department of Physiology, School of Medicine & Trinity College Institute of Neuroscience, Trinity College, Dublin 2, Ireland
| | - Agnieszka Basta-Kaim
- Department of Experimental Neuroendocrinology, Maj Institute of Pharmacology, Polish Academy of Sciences, Smetna Street 12, PL 31-343 Krakow, Poland
| | - Ewa Trojan
- Department of Experimental Neuroendocrinology, Maj Institute of Pharmacology, Polish Academy of Sciences, Smetna Street 12, PL 31-343 Krakow, Poland
| | - Mariusz Papp
- Behavioural Pharmacology Laboratory, Department of Pharmacology, Institute of Pharmacology, Polish Academy of Sciences, 12 Smetna Street, PL 31-343 Krakow, Poland
| | - Piotr Gruca
- Behavioural Pharmacology Laboratory, Department of Pharmacology, Institute of Pharmacology, Polish Academy of Sciences, 12 Smetna Street, PL 31-343 Krakow, Poland
| | - Bogusława Budziszewska
- Department of Experimental Neuroendocrinology, Maj Institute of Pharmacology, Polish Academy of Sciences, Smetna Street 12, PL 31-343 Krakow, Poland
| | - Monika Leśkiewicz
- Department of Experimental Neuroendocrinology, Maj Institute of Pharmacology, Polish Academy of Sciences, Smetna Street 12, PL 31-343 Krakow, Poland
| | - Michael Maes
- Department of Psychiatry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Władysław Lasoń
- Department of Experimental Neuroendocrinology, Maj Institute of Pharmacology, Polish Academy of Sciences, Smetna Street 12, PL 31-343 Krakow, Poland
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Sobhani R, Rezaei B, Shahshahanipour M, Ensafi AA, Mohammadnezhad G. Simple and green synthesis of carbon dots (CDs) from valerian root and application of modified mesoporous boehmite (AlOOH) with CDs as a fluorescence probe for determination of imipramine. Anal Bioanal Chem 2019; 411:3115-3124. [PMID: 30989266 DOI: 10.1007/s00216-019-01779-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [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: 12/19/2018] [Revised: 02/18/2019] [Accepted: 03/11/2019] [Indexed: 01/08/2023]
Abstract
A novel, sensitive, rapid, and simple fluorescent probe has been developed based on green-synthesized carbon dots (CDs). In this work, CDs have been synthesized from valerian root by hydrothermal method. Transmission electron microscopy (TEM) and dynamic light scattering (DLS) results confirm the formation of CDs with sizes of less than 10 nm. Fluorescence quenching of CDs was due to the aggregation of the negative charges of CDs with the positive charge of imipramine (IMI) and was then used as the signal for determination of IMI. In addition, the cytotoxicity of CDs was determined using the MTT assay. The probe responses under optimum conditions were linear in the range of 1.0-200.0 ng mL-1 with a limit of detection of 0.6 ng mL-1. Afterwards, mesoporous boehmite (MB) was modified with synthesized CDs (CDs/MB). TEM images confirmed MB modification with CDs. In this case, the variations in the fluorescence signal for different concentrations of IMI increased leading to the higher sensitivity for IMI detection. The limit of detection and linear range for determination of IMI with CDs/MB were obtained as 0.2 and 0.5-200.0 ng mL-1, respectively. To evaluate the fluorescent probe, IMI was measured in real samples. Graphical abstract.
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Affiliation(s)
- Reyhaneh Sobhani
- Department of Chemistry, Isfahan University of Technology, Isfahan, 84156-83111, Iran
| | - Behzad Rezaei
- Department of Chemistry, Isfahan University of Technology, Isfahan, 84156-83111, Iran.
| | | | - Ali A Ensafi
- Department of Chemistry, Isfahan University of Technology, Isfahan, 84156-83111, Iran
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Barua CC, Buragohain L, Rizavi H, Gogoi SB, Rahman F, Siva B, Mounika K, Babu KS, Chandra Pathak D, Phukan A. Effect of seeds of Entada phaseoloides on chronic restrain stress in mice. J Ayurveda Integr Med 2019; 11:464-470. [PMID: 30635249 PMCID: PMC7772487 DOI: 10.1016/j.jaim.2018.02.140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 02/05/2018] [Accepted: 02/06/2018] [Indexed: 01/14/2023] Open
Abstract
Background Entada phaseoloides is a well-known medicinal plant traditionally used in Ayurvedic medicine for centuries. Objective To evaluate the anti-stress activity of seeds of E. phaseoloides in endoplasmic reticulum stress during chronic restrain stress in mice, based on our preliminary screening. Materials and Methods Mice (n = 6/group) were restrained daily for 6 h in 50 ml polystyrene tubes for 28 days. Methanolic extract of E. phaseoloides (MEEP) (100 and 200 mg/kg, p.o.) and standard drug, imipramine (10 mg/kg i.p.) were administered daily 45 min prior to restrain from day 22–28. Then, forced swim test (FST) was performed to assess despair behavior. Lipid peroxidation (LPO) and antioxidant enzymes Reduced glutathione (GSH), Superoxide dismutase (SOD) were measured in the hippocampus of mice. 78 kDa Glucose-regulated Protein, 94 kDa Glucose-regulated Protein, C/EBP homologous protein, Caspase-12 expression were quantified by Real Time PCR. Results MEEP significantly reduced the immobility time in FST (P < 0.001). Significant reduction of LPO (P < 0.05) level and restored antioxidant enzymes viz. GSH (P < 0.001) and SOD towards vehicle control group were observed. Down-regulation of genes GRP 78, GRP 94 (P < 0.001), CHOP and Caspase-12 (P < 0.001) as compared to the chronic restrain stress group was evident, which were upregulated following treatment. Isolation of the active components of the seeds revealed the presence of Oleic acid (1), Entadamide A (2), Entadamide A-beta-d-glucopyranoside (3) and 1-O-protocatechuoyl-β-d-glucose. Conclusion MEEP altered endoplasmic reticulum stress in chronic restrain stressed mice; however, as an antidepressant it showed a weaker response.
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Affiliation(s)
- Chandana Choudhury Barua
- Department of Pharmacology and Toxicology, College of Veterinary Science, Assam Agricultural University, Guwahati, Assam, 781022, India.
| | - Lipika Buragohain
- Department of Pharmacology and Toxicology, College of Veterinary Science, Assam Agricultural University, Guwahati, Assam, 781022, India
| | - Hooriyah Rizavi
- Department of Psychiatry, Molecular Biology Research Building (MBRB), University of Illinois, Chicago, IL, USA
| | - Samir Bikash Gogoi
- Department of Pharmacology and Toxicology, College of Veterinary Science, Assam Agricultural University, Guwahati, Assam, 781022, India
| | - Farida Rahman
- Department of Pharmacology and Toxicology, College of Veterinary Science, Assam Agricultural University, Guwahati, Assam, 781022, India
| | - Bandi Siva
- Division of Natural Products Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India
| | - K Mounika
- Division of Natural Products Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India
| | - K Suresh Babu
- Division of Natural Products Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India
| | - Debesh Chandra Pathak
- Department of Veterinary Pathology, College of Veterinary Science, Assam Agricultural University, Guwahati, Assam, 781022, India
| | - Arabinda Phukan
- Department of Veterinary Clinical Medicine, Ethics, and Jurisprudence, College of Veterinary Science, Assam Agricultural University, Guwahati, Assam, 781022, India
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Faron-Górecka A, Kuśmider M, Solich J, Kolasa M, Gruca P, Pabian P, Szlachta M, Dziedzicka-Wasylewska M. Behavioral response to imipramine under chronic mild stress corresponds with increase of mRNA encoding somatostatin receptors sst2 and sst4 expression in medial habenular nucleus. Neurochem Int 2018; 121:108-113. [PMID: 30291955 DOI: 10.1016/j.neuint.2018.10.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 09/19/2018] [Accepted: 10/01/2018] [Indexed: 10/28/2022]
Affiliation(s)
- Agata Faron-Górecka
- Institute of Pharmacology, Department of Pharmacology, Laboratory of Biochemical Pharmacology, Polish Academy of Sciences, Smętna Street 12, Kraków, 31-343, Poland.
| | - Maciej Kuśmider
- Institute of Pharmacology, Department of Pharmacology, Laboratory of Biochemical Pharmacology, Polish Academy of Sciences, Smętna Street 12, Kraków, 31-343, Poland
| | - Joanna Solich
- Institute of Pharmacology, Department of Pharmacology, Laboratory of Biochemical Pharmacology, Polish Academy of Sciences, Smętna Street 12, Kraków, 31-343, Poland
| | - Magdalena Kolasa
- Institute of Pharmacology, Department of Pharmacology, Laboratory of Biochemical Pharmacology, Polish Academy of Sciences, Smętna Street 12, Kraków, 31-343, Poland
| | - Piotr Gruca
- Institute of Pharmacology, Department of Pharmacology, Laboratory of Behavioral Pharmacology, Polish Academy of Sciences, Smętna Street 12, Kraków, 31-343, Poland
| | - Paulina Pabian
- Institute of Pharmacology, Department of Pharmacology, Laboratory of Biochemical Pharmacology, Polish Academy of Sciences, Smętna Street 12, Kraków, 31-343, Poland
| | - Marta Szlachta
- Institute of Pharmacology, Department of Pharmacology, Laboratory of Biochemical Pharmacology, Polish Academy of Sciences, Smętna Street 12, Kraków, 31-343, Poland
| | - Marta Dziedzicka-Wasylewska
- Institute of Pharmacology, Department of Pharmacology, Laboratory of Biochemical Pharmacology, Polish Academy of Sciences, Smętna Street 12, Kraków, 31-343, Poland
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Rhein C, Löber S, Gmeiner P, Gulbins E, Tripal P, Kornhuber J. Derivatization of common antidepressant drugs increases inhibition of acid sphingomyelinase and reduces induction of phospholipidosis. J Neural Transm (Vienna) 2018; 125:1837-1845. [PMID: 30191367 DOI: 10.1007/s00702-018-1923-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 08/28/2018] [Indexed: 11/26/2022]
Abstract
In recent studies, major depressive disorder (MDD) was linked to an increase in acid sphingomyelinase (ASM) activity. Several drugs that are commonly used to treat MDD functionally inhibit the lysosomal enzyme ASM and are called functional inhibitors of ASM (FIASMAs). These drugs are classified as cationic amphiphilic drugs (CADs) that influence the catalytic activities of different lysosomal enzymes. This action results in the side effect of phospholipidosis (PLD), which describes a detrimental increase in the phospholipid content in lysosomes. FIASMAs differ only slightly in their physico-chemical properties, but their effects on ASM activity and induction of the lysosomal phospholipid content vary significantly. In this study, we systematically induced minor chemical modifications to the FIASMAs imipramine, desipramine and fluoxetine. We generated a library of 45 new CADs with slightly different log P (logarithmic partition coefficient) and pKa (logarithmic acid dissociation constant) values. The effects of the compounds on the ASM activity and lysosomal phospholipid content were assessed in cell culture assays. We identified four compounds with beneficial effects, i.e., increased ASM activity inhibition and reduced PLD induction compared with the original drugs. The compounds HT04, RH272B and RH272D outperformed the original imipramine, whereas RH281A performed better than desipramine. Thus, minor chemical variations of CADs impact lysosomal metabolism in a specific manner and can lead to antidepressant drugs with less deleterious side effects.
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Affiliation(s)
- Cosima Rhein
- Department of Psychiatry and Psychotherapy, University Hospital Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany.
| | - Stefan Löber
- Pharmaceutical Chemistry, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Peter Gmeiner
- Pharmaceutical Chemistry, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Erich Gulbins
- Department of Molecular Biology, University of Duisburg-Essen, Essen, Germany
| | - Philipp Tripal
- Department of Psychiatry and Psychotherapy, University Hospital Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
- Optical Imaging Centre Erlangen (OICE), Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Johannes Kornhuber
- Department of Psychiatry and Psychotherapy, University Hospital Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
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Chen Y, Liu Y, Zhang L, Xie P, Wang Z, Zhou A, Fang Z, Ma J. Efficient degradation of imipramine by iron oxychloride-activated peroxymonosulfate process. J Hazard Mater 2018; 353:18-25. [PMID: 29631043 DOI: 10.1016/j.jhazmat.2018.03.050] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Revised: 03/12/2018] [Accepted: 03/26/2018] [Indexed: 06/08/2023]
Abstract
Synthesized iron oxychloride (FeOCl) was firstly applied to activate peroxymonosulfate (PMS) to degrade imipramine (IMI), a tricyclic antidepressant. Compared to some other Fe-based materials including zero valent iron, Fe2O3, Fe3O4 and ferric ions, FeOCl presented an impressive catalytic activity on PMS at near-neutral condition due to its unique structure containing abundant unsaturated iron atoms and oxo-bridged configuration. With an increase of FeOCl dose, PMS dose or initial pH in ranges of 0.02 - 0.5 g/L, 0.1 - 2.5 mM and 4.0 - 8.0, the degradation efficiency of IMI was effectively raised by 64.0%, 48.5% and 50.6%, respectively. The presence of either bicarbonate or chloride stimulated the removal of IMI. Moreover, 70.4% of IMI was degraded under the background of real water with 2 mM PMS. The possible reactive species were identified as sulfate and hydroxyl radicals. The formed hypochlorite through the reaction of PMS and the released chloride ions may also contribute to the degradation of IMI. Among the oxidants, sulfate radical was proven to be the dominate one in the system. Additionally, the FeOCl/PMS system can overall effectively degrade six other organic compounds including amitriptyline, desipramine, propranolol, nitrobenzene, methyl-paraben and ethyl-paraben, further suggesting the possible application of this system in treatment of vast aquatic micro-organic pollutants.
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Affiliation(s)
- Yiqun Chen
- School of Civil Engineering, Wuhan University, Wuhan 430072, China
| | - Yanpeng Liu
- School of Environmental Science and Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China; Key Laboratory of Water & Wastewater Treatment (HUST), MOHURD, Wuhan 430074, China
| | - Li Zhang
- School of Environmental Science and Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China; Key Laboratory of Water & Wastewater Treatment (HUST), MOHURD, Wuhan 430074, China
| | - Pengchao Xie
- School of Environmental Science and Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China; Key Laboratory of Water & Wastewater Treatment (HUST), MOHURD, Wuhan 430074, China.
| | - Zongping Wang
- School of Environmental Science and Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China; Key Laboratory of Water & Wastewater Treatment (HUST), MOHURD, Wuhan 430074, China
| | - Aijiao Zhou
- School of Environmental Science and Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China; Key Laboratory of Water & Wastewater Treatment (HUST), MOHURD, Wuhan 430074, China.
| | - Zheng Fang
- School of Civil Engineering, Wuhan University, Wuhan 430072, China
| | - Jun Ma
- State Key Laboratory of Urban Water Resource & Environment, Harbin Institute of Technology, Harbin 150090, China
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Vermeiden M, Kamperman AM, Hoogendijk WJG, van den Broek WW, Birkenhäger TK. Outcome of a three-phase treatment algorithm for inpatients with melancholic depression. Prog Neuropsychopharmacol Biol Psychiatry 2018; 84:214-220. [PMID: 29505804 DOI: 10.1016/j.pnpbp.2018.03.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 01/28/2018] [Accepted: 03/01/2018] [Indexed: 11/17/2022]
Abstract
BACKGROUND In patients suffering from major depressive disorder, non-response to initial antidepressant monotherapy is relatively common. The use of treatment algorithms may optimize and enhance treatment outcome. METHODS A single-center 3-phase treatment algorithm was evaluated for inpatients with major depressive disorder, i.e. phase I (n = 85): 7 weeks optimal antidepressant monotherapy (imipramine or venlafaxine); phase II (n = 39): 4 weeks subsequent plasma level-targeted dose lithium addition in case of insufficient improvement of antidepressant monotherapy; and phase III (n = 8): subsequent electroconvulsive therapy in case of insufficient improvement of antidepressant‑lithium treatment. Overall feasibility of the 3-phase algorithm was determined by the number of dropouts, and overall efficacy was evaluated using weekly scores on the 17-item Hamilton Rating Scale for Depression (HAM-D) during the treatment phases of the algorithm. This paper is based on an RCT comparing the two antidepressants in phase I and adding lithium in phase II. RESULTS Of the 85 patients analyzed, overall dropout during the 3-phase treatment algorithm was 24 (28%) patients. When analyzing the 3-phase treatment algorithm on a modified intention-to-treat basis, 39 (46%) patients achieved complete remission (HAM-D score ≤ 7) by the end of the algorithm. Regarding response (HAM-D score reduction ≥50%): of the 85 patients, 60 (71%) were responders by the end of the algorithm. CONCLUSION The favorable outcome of the 3-phase treatment algorithm emphasizes the importance of pursuing stepwise antidepressant treatment in patients who are nonresponsive to the first antidepressant. CLINICAL TRIAL REGISTRATION This study protocol is registered at http://www.controlled-trials.com, "Pharmacological Treatment of Depression" (identifier: ISRCTN73221288).
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Affiliation(s)
- Marlijn Vermeiden
- Erasmus Medical Center, Department of Psychiatry, Rotterdam, The Netherlands
| | - Astrid M Kamperman
- Erasmus Medical Center, ESPRi Epidemiological and Social Psychiatric Research Institute, Department of Psychiatry, Rotterdam, The Netherlands
| | | | | | - Tom K Birkenhäger
- Erasmus Medical Center, Department of Psychiatry, Rotterdam, The Netherlands.
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Kawai H, Kodaira N, Tanaka C, Ishibashi T, Kudo N, Kawashima Y, Mitsumoto A. Time of Administration of Acute or Chronic Doses of Imipramine Affects its Antidepressant Action in Rats. J Circadian Rhythms 2018; 16:5. [PMID: 30210565 DOI: 10.5334/jcr.156] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The pathogenesis and therapeutics of depression are linked to the operation of the circadian system. Here, we studied the chronopharmacological action of a tricyclic antidepressant, imipramine. Male adult Wistar–Hannover rats were administered imipramine acutely or chronically in the morning or in the evening. The antidepressant action of imipramine was analyzed using the forced swim test (FST). A single dose of imipramine (30 mg/kg) in the morning, but not in the evening, reduced immobility and increased climbing in the FST. The plasma concentrations of imipramine and its metabolite, desipramine, were slightly higher in the morning than in the evening, which might explain the dosing time-dependent action of imipramine. Next, we analyzed the effect of chronic imipramine treatment. Rats received imipramine in the morning or in the evening for 2 weeks. The morning treatment resulted in larger effects in the FST than the evening treatment, and was effective at a dose that was ineffective when administered acutely. The levels of brain α-adrenergic receptors tended to decrease after chronic imipramine treatment. Imipramine might interact with noradrenergic neurons, and this interaction might chronically alter receptor expression. This alteration seemed greater in the morning than in the evening, which might explain the dosing time-dependent action of imipramine.
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