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Wang Y, Wang Z, Peng Z, Feng L, Tian W, Zhang S, Cao L, Li J, Yang L, Xu Y, Gao Y, Liu J, Yan J, Ma X, Sun W, Guo L, Li X, Shen Y, Qi Z. Cocaine and amphetamine-regulated transcript improves myocardial ischemia-reperfusion injury through PI3K/AKT signalling pathway. Clin Exp Pharmacol Physiol 2024; 51:e13904. [PMID: 38923060 DOI: 10.1111/1440-1681.13904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 04/13/2024] [Accepted: 05/19/2024] [Indexed: 06/28/2024]
Abstract
Myocardial ischemia-reperfusion injury (MIRI) is a common clinic scenario that occurs in the context of reperfusion therapy for acute myocardial infarction. It has been shown that cocaine and amphetamine-regulated transcript (CART) can ameliorate cerebral ischemia-reperfusion (I/R) injury, but the effect of CART on MIRI has not been studied yet. Here, we revealed that CART protected the heart during I/R process by inhibiting apoptosis and excessive autophagy, indicating that CART would be a potential drug candidate for the treatment of MIRI. Further analysis showed that CART upregulated the activation of phospho-AKT, leading to downregulation of lactate dehydrogenase (LDH) release, apoptosis, oxidative stress and excessive autophagy after I/R, which was inhibited by PI3K inhibitor, LY294002. Collectively, CART attenuated MIRI through inhibition of cardiomyocytes apoptosis and excessive autophagy, and the protective effect was dependent on PI3K/AKT signalling pathway.
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Affiliation(s)
- Yachen Wang
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
- Tianjin Eye Hospital, Tianjin Key Laboratory of Ophthalmology and Visual Science, Tianjin Eye Institute, Tianjin, China
| | - Ziwei Wang
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
- NanKai University Eye Institute, Tianjin, China
| | - Zeyan Peng
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
| | - Lifeng Feng
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
| | - Wencong Tian
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
- Tianjin Key Laboratory of General Surgery in Construction, Tianjin Union Medical Center, Tianjin, China
| | - Shengzheng Zhang
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
| | - Lei Cao
- Tianjin Key Laboratory of General Surgery in Construction, Tianjin Union Medical Center, Tianjin, China
| | - Jing Li
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
| | - Liang Yang
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
- Tianjin Key Laboratory of General Surgery in Construction, Tianjin Union Medical Center, Tianjin, China
| | - Yang Xu
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
| | - Yang Gao
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
- Tianjin Key Laboratory of General Surgery in Construction, Tianjin Union Medical Center, Tianjin, China
| | - Jie Liu
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
| | - Jie Yan
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
| | - Xiaodong Ma
- Fifth People's Hospital of Dongying, Shandong, China
| | - Wangchun Sun
- Fifth People's Hospital of Dongying, Shandong, China
| | - Lihong Guo
- Shengli Oilfield Central Hospital Gastrointestinal Disease Research Institute, Shandong, China
| | - Xuan Li
- Tianjin Eye Hospital, Tianjin Key Laboratory of Ophthalmology and Visual Science, Tianjin Eye Institute, Tianjin, China
| | - Yanna Shen
- School of Medical Technology, Tianjin Medical University, Tianjin, China
| | - Zhi Qi
- Department of Molecular Pharmacology, School of Medicine, Nankai University, Tianjin, China
- NanKai University Eye Institute, Tianjin, China
- Tianjin Key Laboratory of General Surgery in Construction, Tianjin Union Medical Center, Tianjin, China
- Shengli Oilfield Central Hospital Gastrointestinal Disease Research Institute, Shandong, China
- Xinjiang Production and Construction Corps Hospital, Xinjiang, China
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Pawar N, Dudhabhate BB, Borade V, Sahare DK, Bhute YV, Subhedar NK, Kokare DM, Sakharkar AJ. CREB-Binding Protein Regulates Cocaine- and Amphetamine-Regulated Transcript Peptide Expression in the Lateral Hypothalamus: Implication in Reward and Reinforcement. Mol Neurobiol 2024:10.1007/s12035-024-04338-7. [PMID: 38987488 DOI: 10.1007/s12035-024-04338-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 06/28/2024] [Indexed: 07/12/2024]
Abstract
Neuropeptide cocaine- and amphetamine-regulated transcript peptide (CARTp) is known to play an important role in reward processing. The rats conditioned to intra-cranial self-stimulation (ICSS) showed massive upregulation of CART protein and mRNA in the vicinity of the electrode implanted to deliver the electric current directly at the lateral hypothalamus (LH)-medial forebrain bundle (MFB) area. However, the underlying mechanisms leading to the upregulation of CART in ICSS animals remain elusive. We tested the putative role of CREB-binding protein (CBP), an epigenetic enzyme with intrinsic histone acetyltransferase (HAT) activity, in regulating CART expression during ICSS. An electrode was implanted in LH-MFB and the rats were conditioned to self-stimulation in an operant chamber. CBP siRNA was delivered ipsilaterally in the LH-MFB to knock-down CBP and the effects on lever press activity were monitored. While ICSS-conditioned rats showed distinct increase in CART, CBP and pCREB levels, enhanced CBP binding and histone acetylation (H3K9ac) were noticed on the CART promoter in chromatin immunoprecipitation assay. Direct infusion of CBP siRNA in the LH-MFB lowered lever press activity, CBP levels, histone acetylation at the CART promoter, and CART mRNA and peptide expression. Co-infusion of CARTp in LH-MFB rescued the waning effects of CBP siRNA on self-stimulation. We suggest that CBP-mediated histone acetylation may play a causal role in CART expression in LH, which in turn may drive the positive reinforcement of lever press activity.
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Affiliation(s)
- Namrata Pawar
- Department of Biotechnology, Savitribai Phule Pune University, Pune, 411 007, India
| | - Biru B Dudhabhate
- Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur, 440 033, India
| | - Vaishnavi Borade
- Department of Biotechnology, Savitribai Phule Pune University, Pune, 411 007, India
| | - Dipak K Sahare
- Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur, 440 033, India
| | - Yogesh V Bhute
- Department of Zoology, DRB Sindhu Mahavidyalaya, Nagpur, 440 017, India
| | - Nishikant K Subhedar
- Indian Institute of Science Education and Research (IISER), Pune, 411 008, India
| | - Dadasaheb M Kokare
- Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur, 440 033, India.
| | - Amul J Sakharkar
- Department of Biotechnology, Savitribai Phule Pune University, Pune, 411 007, India.
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Choudhary AG, Awathale SN, Dudhabhate BB, Pawar N, Jadhav G, Upadhya MA, Khedkar T, Gadhikar YA, Sakharkar AJ, Subhedar NK, Kokare DM. Response of nitrergic system in the brain of rat conditioned to intracranial self-stimulation. J Neurochem 2024; 168:1402-1419. [PMID: 38445395 DOI: 10.1111/jnc.16090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 02/15/2024] [Accepted: 02/21/2024] [Indexed: 03/07/2024]
Abstract
The role of nitrergic system in modulating the action of psychostimulants on reward processing is well established. However, the relevant anatomical underpinnings and scope of the involved interactions with mesolimbic dopaminergic system have not been clarified. Using immunohistochemistry, we track the changes in neuronal nitric oxide synthase (nNOS) containing cell groups in the animals conditioned to intracranial self-stimulation (ICSS) via an electrode implanted in the lateral hypothalamus-medial forebrain bundle (LH-MFB) area. An increase in the nNOS immunoreactivity was noticed in the cells and fibers in the ventral tegmental area (VTA) and nucleus accumbens shell (AcbSh), the primary loci of the reward system. In addition, nNOS was up-regulated in the nucleus accumbens core (AcbC), vertical limb of diagonal band (VDB), locus coeruleus (LC), lateral hypothalamus (LH), superficial gray layer (SuG) of the superior colliculus, and periaqueductal gray (PAG). The brain tissue fragments drawn from these areas showed a change in nNOS mRNA expression, but in opposite direction. Intracerebroventricular (icv) administration of nNOS inhibitor, 7-nitroindazole (7-NI) showed decreased lever press activity in a dose-dependent manner in ICSS task. While an increase in the dopamine (DA) and 3, 4-dihydroxyphenylacetic acid (DOPAC) efflux was noted in the microdialysates collected from the AcbSh of ICSS rats, pre-administration of 7-NI (icv route) attenuated the response. The study identifies nitrergic centers that probably mediate sensory, cognitive, and motor components of the goal-directed behavior.
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Affiliation(s)
- Amit G Choudhary
- Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur, India
| | - Sanjay N Awathale
- Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur, India
| | - Biru B Dudhabhate
- Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur, India
| | - Namrata Pawar
- Department of Biotechnology, Savitribai Phule Pune University, Pune, India
| | - Gouri Jadhav
- Department of Biotechnology, Savitribai Phule Pune University, Pune, India
| | - Manoj A Upadhya
- Indian Institute of Science Education and Research (IISER), Pune, India
| | - Trupti Khedkar
- Department of Zoology, Nabira Mahavidyalay, Katol, India
| | - Yashashree A Gadhikar
- Department of Zoology, Government Vidarbha Institute of Science and Humanities, Amravati, India
| | - Amul J Sakharkar
- Department of Biotechnology, Savitribai Phule Pune University, Pune, India
| | | | - Dadasaheb M Kokare
- Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur, India
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Kołosowska K, Lehner M, Skórzewska A, Gawryluk A, Tomczuk F, Sobolewska A, Turzyńska D, Liguz-Lęcznar M, Bednarska-Makaruk M, Maciejak P, Wisłowska-Stanek A. Molecular pattern of a decrease in the rewarding effect of cocaine after an escalating-dose drug regimen. Pharmacol Rep 2023; 75:85-98. [PMID: 36586075 PMCID: PMC9889529 DOI: 10.1007/s43440-022-00443-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 12/06/2022] [Accepted: 12/19/2022] [Indexed: 01/01/2023]
Abstract
BACKGROUND Long-term cocaine exposure leads to dysregulation of the reward system and initiates processes that ultimately weaken its rewarding effects. Here, we studied the influence of an escalating-dose cocaine regimen on drug-associated appetitive behavior after a withdrawal period, along with corresponding molecular changes in plasma and the prefrontal cortex (PFC). METHODS We applied a 5 day escalating-dose cocaine regimen in rats. We assessed anxiety-like behavior at the beginning of the withdrawal period in the elevated plus maze (EPM) test. The reinforcement properties of cocaine were evaluated in the Conditioned Place Preference (CPP) test along with ultrasonic vocalization (USV) in the appetitive range in a drug-associated context. We assessed corticosterone, proopiomelanocortin (POMC), β-endorphin, CART 55-102 levels in plasma (by ELISA), along with mRNA levels for D2 dopaminergic receptor (D2R), κ-receptor (KOR), orexin 1 receptor (OX1R), CART 55-102, and potential markers of cocaine abuse: miRNA-124 and miRNA-137 levels in the PFC (by PCR). RESULTS Rats subjected to the escalating-dose cocaine binge regimen spent less time in the cocaine-paired compartment, and presented a lower number of appetitive USV episodes. These changes were accompanied by a decrease in corticosterone and CART levels, an increase in POMC and β-endorphin levels in plasma, and an increase in the mRNA for D2R and miRNA-124 levels, but a decrease in the mRNA levels for KOR, OX1R, and CART 55-102 in the PFC. CONCLUSIONS The presented data reflect a part of a bigger picture of a multilevel interplay between neurotransmitter systems and neuromodulators underlying processes associated with cocaine abuse.
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Affiliation(s)
- Karolina Kołosowska
- grid.418955.40000 0001 2237 2890Department of Neurochemistry, Institute of Psychiatry and Neurology, 9 Sobieskiego Street, 02-957 Warsaw, Poland
| | - Małgorzata Lehner
- grid.418955.40000 0001 2237 2890Department of Neurochemistry, Institute of Psychiatry and Neurology, 9 Sobieskiego Street, 02-957 Warsaw, Poland
| | - Anna Skórzewska
- grid.418955.40000 0001 2237 2890Department of Neurochemistry, Institute of Psychiatry and Neurology, 9 Sobieskiego Street, 02-957 Warsaw, Poland
| | - Aleksandra Gawryluk
- grid.419305.a0000 0001 1943 2944Department of Molecular and Cellular Neurobiology, Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur Street, 02-093 Warsaw, Poland
| | - Filip Tomczuk
- grid.418955.40000 0001 2237 2890Department of Genetics, Institute of Psychiatry and Neurology, 9 Sobieskiego Street, 02-957 Warsaw, Poland
| | - Alicja Sobolewska
- grid.418955.40000 0001 2237 2890Department of Neurochemistry, Institute of Psychiatry and Neurology, 9 Sobieskiego Street, 02-957 Warsaw, Poland
| | - Danuta Turzyńska
- grid.418955.40000 0001 2237 2890Department of Neurochemistry, Institute of Psychiatry and Neurology, 9 Sobieskiego Street, 02-957 Warsaw, Poland
| | - Monika Liguz-Lęcznar
- grid.419305.a0000 0001 1943 2944Department of Molecular and Cellular Neurobiology, Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur Street, 02-093 Warsaw, Poland
| | - Małgorzata Bednarska-Makaruk
- grid.418955.40000 0001 2237 2890Department of Genetics, Institute of Psychiatry and Neurology, 9 Sobieskiego Street, 02-957 Warsaw, Poland
| | - Piotr Maciejak
- grid.418955.40000 0001 2237 2890Department of Neurochemistry, Institute of Psychiatry and Neurology, 9 Sobieskiego Street, 02-957 Warsaw, Poland
| | - Aleksandra Wisłowska-Stanek
- grid.13339.3b0000000113287408Department of Experimental and Clinical Pharmacology, Medical University of Warsaw, Centre for Preclinical Research and Technology (CePT), 1B Banacha Street, 02-097 Warsaw, Poland
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Neuropeptide S facilitates extinction of fear via modulation of mesolimbic dopaminergic circuitry. Neuropharmacology 2022; 221:109274. [DOI: 10.1016/j.neuropharm.2022.109274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 09/12/2022] [Accepted: 09/26/2022] [Indexed: 11/07/2022]
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In-house fabrication of bipolar electrode-cannula assembly for electrical stimulation and drug delivery at the same site in rat brain. J Pharmacol Toxicol Methods 2022; 118:107194. [PMID: 35779851 DOI: 10.1016/j.vascn.2022.107194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 06/08/2022] [Accepted: 06/25/2022] [Indexed: 11/21/2022]
Abstract
Strategies drawn at understanding the functional attributes of specific neural circuits often necessitate electrical stimulation and pharmacological manipulation at the same anatomical site. We describe a simple, inexpensive and reliable method to fabricate a bipolar electrode-cannula assembly for delivery of electric pulses and administration of neuroactive agents at the same site in the rat brain. The assembly consisting of a guide cannula, dummy cannula, internal cannula and bipolar electrode was fabricated using syringe needles, wires and simple electronic components. To test the usefulness of the device, it was implanted on the skull of a rat specifically targeting the posterior ventral tegmental area (pVTA). The rat was conditioned to press the lever in intracranial self-stimulation (ICSS) protocol in an operant chamber. The number of lever presses in a 30 min task was monitored. Intra-pVTA administration with bicuculline (GABAA receptor antagonist) increased the lever press activity, while muscimol (GABAA receptor agonist) had opposite effect. The results confirm that the group of neurons responding to the electrical stimulation probably receive GABAergic inputs. The device is light in weight, costs less than a dollar and can be fabricated from readily available components. It can serve a useful purpose in electrically stimulating any given target in the brain - before, during or after pharmacological manipulation at the same locus and may find application in neuropharmacological and neurobehavioral studies.
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Awathale SN, Waghade AM, Kawade HM, Jadhav G, Choudhary AG, Sagarkar S, Sakharkar AJ, Subhedar NK, Kokare DM. Neuroplastic Changes in the Superior Colliculus and Hippocampus in Self-rewarding Paradigm: Importance of Visual Cues. Mol Neurobiol 2021; 59:890-915. [PMID: 34797522 DOI: 10.1007/s12035-021-02597-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 10/11/2021] [Indexed: 12/21/2022]
Abstract
Coincident excitation via different sensory modalities encoding objects of positive salience is known to facilitate learning and memory. With a view to dissect the contribution of visual cues in inducing adaptive neural changes, we monitored the lever press activity of a rat conditioned to self-administer sweet food pellets in the presence/absence of light cues. Application of light cues facilitated learning and consolidation of long-term memory. The superior colliculus (SC) of rats trained on light cue showed increased neuronal activity, dendritic branching, and brain-derived neurotrophic factor (BDNF) protein and mRNA expression. Concomitantly, the hippocampus showed augmented neurogenesis as well as BDNF protein and mRNA expression. While intra-SC administration of U0126 (inhibitor of ERK 1/2 and long-term memory) impaired memory formation, lidocaine (local anaesthetic) hindered memory recall. The light cue-dependent sweet food pellet self-administration was coupled with increased efflux of dopamine (DA) and 3,4-dihydroxyphenylacetic acid (DOPAC) in the nucleus accumbens shell (AcbSh). In conditioned rats, pharmacological inhibition of glutamatergic signalling in dentate gyrus (DG) reduced lever press activity, as well as DA and DOPAC secretion in the AcbSh. We suggest that the neuroplastic changes in the SC and hippocampus might represent memory engrams sculpted by visual cues encoding reward information.
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Affiliation(s)
- Sanjay N Awathale
- Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur, 440 033, India
| | - Akash M Waghade
- Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur, 440 033, India
| | - Harish M Kawade
- Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur, 440 033, India
| | - Gouri Jadhav
- Department of Biotechnology, Savitribai Phule Pune University, Pune, 411 007, India
| | - Amit G Choudhary
- Indian Institute of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pune, 411 008, India
| | - Sneha Sagarkar
- Department of Zoology, Savitribai Phule Pune University, Pune, 411 007, India
| | - Amul J Sakharkar
- Department of Biotechnology, Savitribai Phule Pune University, Pune, 411 007, India
| | - Nishikant K Subhedar
- Indian Institute of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pune, 411 008, India
| | - Dadasaheb M Kokare
- Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur, 440 033, India.
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