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Wang T, Zhu X, Yi H, Gu J, Liu S, Izenwasser S, Lemmon VP, Roy S, Hao S. Viral vector-mediated gene therapy for opioid use disorders. Exp Neurol 2021; 341:113710. [PMID: 33781732 DOI: 10.1016/j.expneurol.2021.113710] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 02/26/2021] [Accepted: 03/24/2021] [Indexed: 12/13/2022]
Abstract
Chronic exposure to opioids typically results in adverse consequences. Opioid use disorder (OUD) is a disease of the CNS with behavioral, psychological, neurobiological, and medical manifestations. OUD induces a variety of changes of neurotransmitters/neuropeptides in the nervous system. Existing pharmacotherapy, such as opioid maintenance therapy (OMT) is the mainstay for the treatment of OUD, however, current opioid replacement therapy is far from effective for the majority of patients. Pharmacological therapy for OUD has been challenging for many reasons including debilitating side-effects. Therefore, developing an effective, non-pharmacological approach would be a critical advancement in improving and expanding treatment for OUD. Viral vector mediated gene therapy provides a potential new approach for treating opioid abused patients. Gene therapy can supply targeting gene products directly linked to the mechanisms of OUD to restore neurotransmitter and/or neuropeptides imbalance, and avoid the off-target effects of systemic administration of drugs. The most commonly used viral vectors in rodent studies of treatment of opioid-used disorder are based on recombinant adenovirus (AV), adeno-associated virus (AAV), lentiviral (LV) vectors, and herpes simplex virus (HSV) vectors. In this review, we will focus on the recent progress of viral vector mediated gene therapy in OUD, especially morphine tolerance and withdrawal.
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Affiliation(s)
- Tao Wang
- Department of Anesthesiology, Perioperative Medicine & Pain Management, University of Miami Miller School of Medicine, Miami, FL, United States of America
| | - Xun Zhu
- Department of Anesthesiology, Perioperative Medicine & Pain Management, University of Miami Miller School of Medicine, Miami, FL, United States of America
| | - Hyun Yi
- Department of Anesthesiology, Perioperative Medicine & Pain Management, University of Miami Miller School of Medicine, Miami, FL, United States of America
| | - Jun Gu
- Department of Anesthesiology, Perioperative Medicine & Pain Management, University of Miami Miller School of Medicine, Miami, FL, United States of America
| | - Shue Liu
- Department of Anesthesiology, Perioperative Medicine & Pain Management, University of Miami Miller School of Medicine, Miami, FL, United States of America
| | - Sari Izenwasser
- Department of Psychiatry & Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL, United States of America
| | - Vance P Lemmon
- Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, FL, United States of America
| | - Sabita Roy
- Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, United States of America
| | - Shuanglin Hao
- Department of Anesthesiology, Perioperative Medicine & Pain Management, University of Miami Miller School of Medicine, Miami, FL, United States of America.
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Injection of minocycline into the periaqueductal gray attenuates morphine withdrawal signs. Neurosci Lett 2020; 736:135283. [PMID: 32739271 DOI: 10.1016/j.neulet.2020.135283] [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: 04/11/2020] [Revised: 07/07/2020] [Accepted: 07/28/2020] [Indexed: 11/22/2022]
Abstract
This study investigated the effects of minocycline microinjections, into the midbrain periaqueductal gray (PAG), on morphine withdrawal and the expression of pannexin-1 (panx1), phosphorylated mammalian target of rapamycin (p-mTOR), protein kinase A (PKA), and cAMP response element-binding protein (CREB). Rats were injected with morphine, intraperitoneally, at increasing doses, twice per day, to establish animal models of morphine exposure. Minocycline was administered into the PAG before the first intraperitoneal (i.p.) injection of morphine each day, on days 1-4. On the last day of the experiment, all rats were injected with naloxone, and morphine withdrawal was observed, and then changes in the expression levels of ionized calcium-binding adaptor molecule 1 (Iba1) and its downstream factors, panx1, p-mTOR, PKA, and CREB were evaluated by western blot and immunohistochemistry analyses. Morphine withdrawal increased microglial activation, whereas minocycline could inhibit microglial activation and withdrawal and the downregulation of panx1, p-mTOR, PKA, and CREB expression, reducing the effects of morphine withdrawal.
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García-Pardo MP, Roger-Sanchez C, Rodríguez-Arias M, Miñarro J, Aguilar MA. Pharmacological modulation of protein kinases as a new approach to treat addiction to cocaine and opiates. Eur J Pharmacol 2016; 781:10-24. [DOI: 10.1016/j.ejphar.2016.03.065] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Revised: 03/28/2016] [Accepted: 03/31/2016] [Indexed: 12/13/2022]
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Abstract
This paper is the thirty-sixth consecutive installment of the annual review of research concerning the endogenous opioid system. It summarizes papers published during 2013 that studied the behavioral effects of molecular, pharmacological and genetic manipulation of opioid peptides, opioid receptors, opioid agonists and opioid antagonists. The particular topics that continue to be covered include the molecular-biochemical effects and neurochemical localization studies of endogenous opioids and their receptors related to behavior, and the roles of these opioid peptides and receptors in pain and analgesia; stress and social status; tolerance and dependence; learning and memory; eating and drinking; alcohol and drugs of abuse; sexual activity and hormones, pregnancy, development and endocrinology; mental illness and mood; seizures and neurologic disorders; electrical-related activity and neurophysiology; general activity and locomotion; gastrointestinal, renal and hepatic functions; cardiovascular responses; respiration and thermoregulation; and immunological responses.
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Affiliation(s)
- Richard J Bodnar
- Department of Psychology and Neuropsychology Doctoral Sub-Program, Queens College, City University of New York, Flushing, NY 11367, United States.
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