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Zhang KK, Yang JZ, Cheng CH, Wan JY, Chen YC, Zhou HQ, Zheng DK, Lan ZX, You QH, Wang Q, Sun J. Short-chain fatty acids mitigate Methamphetamine-induced hepatic injuries in a Sigma-1 receptor-dependent manner. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 280:116538. [PMID: 38833980 DOI: 10.1016/j.ecoenv.2024.116538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 05/08/2024] [Accepted: 05/31/2024] [Indexed: 06/06/2024]
Abstract
Methamphetamine (Meth) is a potent psychostimulant with well-established hepatotoxicity. Gut microbiota-derived short-chain fatty acids (SCFAs) have been reported to yield beneficial effects on the liver. In this study, we aim to further reveal the mechanisms of Meth-induced hepatic injuries and investigate the potential protective effects of SCFAs. Herein, mice were intraperitoneally injected with 15 mg/kg Meth to induce hepatic injuries. The composition of fecal microbiota and SCFAs was profiled using 16 S rRNA sequencing and Gas Chromatography/Mass Spectrometry (GC/MS) analysis, respectively. Subsequently, SCFAs supplementation was performed to evaluate the protective effects against hepatic injuries. Additionally, Sigma-1 receptor knockout (S1R-/-) mice and fluvoxamine (Flu), an agonist of S1R, were introduced to investigate the mechanisms underlying the protective effects of SCFAs. Our results showed that Meth activated S1R and induced hepatic autophagy, inflammation, and oxidative stress by stimulating the MAPK/ERK pathway. Meanwhile, Meth disrupted SCFAs product-related microbiota, leading to a reduction in fecal SCFAs (especially Acetic acid and Propanoic acid). Accompanied by the optimization of gut microbiota, SCFAs supplementation normalized S1R expression and ameliorated Meth-induced hepatic injuries by repressing the MAPK/ERK pathway. Effectively, S1R knockout repressed Meth-induced activation of the MAPK/ERK pathway and further ameliorated hepatic injuries. Finally, the overexpression of S1R stimulated the MAPK/ERK pathway and yielded comparable adverse phenotypes to Meth administration. These findings suggest that Meth-induced hepatic injuries relied on the activation of S1R, which could be alleviated by SCFAs supplementation. Our study confirms the crucial role of S1R in Meth-induced hepatic injuries for the first time and provides a potential preemptive therapy.
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Affiliation(s)
- Kai-Kai Zhang
- State Key Laboratory of Organ Failure Research; Key Laboratory of Infectious Diseases Research in South China, Ministry of Education; Guangdong Provincial Key Laboratory of Viral Hepatitis Research; Guangdong Provincial Clinical Research Center for Viral Hepatitis; Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China; Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, School of Forensic Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Jian-Zheng Yang
- Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, School of Forensic Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Chang-Hao Cheng
- State Key Laboratory of Organ Failure Research; Key Laboratory of Infectious Diseases Research in South China, Ministry of Education; Guangdong Provincial Key Laboratory of Viral Hepatitis Research; Guangdong Provincial Clinical Research Center for Viral Hepatitis; Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Jia-Yuan Wan
- State Key Laboratory of Organ Failure Research; Key Laboratory of Infectious Diseases Research in South China, Ministry of Education; Guangdong Provincial Key Laboratory of Viral Hepatitis Research; Guangdong Provincial Clinical Research Center for Viral Hepatitis; Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Yu-Chuan Chen
- State Key Laboratory of Organ Failure Research; Key Laboratory of Infectious Diseases Research in South China, Ministry of Education; Guangdong Provincial Key Laboratory of Viral Hepatitis Research; Guangdong Provincial Clinical Research Center for Viral Hepatitis; Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - He-Qi Zhou
- State Key Laboratory of Organ Failure Research; Key Laboratory of Infectious Diseases Research in South China, Ministry of Education; Guangdong Provincial Key Laboratory of Viral Hepatitis Research; Guangdong Provincial Clinical Research Center for Viral Hepatitis; Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - De-Kai Zheng
- State Key Laboratory of Organ Failure Research; Key Laboratory of Infectious Diseases Research in South China, Ministry of Education; Guangdong Provincial Key Laboratory of Viral Hepatitis Research; Guangdong Provincial Clinical Research Center for Viral Hepatitis; Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Zhi-Xian Lan
- State Key Laboratory of Organ Failure Research; Key Laboratory of Infectious Diseases Research in South China, Ministry of Education; Guangdong Provincial Key Laboratory of Viral Hepatitis Research; Guangdong Provincial Clinical Research Center for Viral Hepatitis; Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Qiu-Hong You
- State Key Laboratory of Organ Failure Research; Key Laboratory of Infectious Diseases Research in South China, Ministry of Education; Guangdong Provincial Key Laboratory of Viral Hepatitis Research; Guangdong Provincial Clinical Research Center for Viral Hepatitis; Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Qi Wang
- Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, School of Forensic Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China.
| | - Jian Sun
- State Key Laboratory of Organ Failure Research; Key Laboratory of Infectious Diseases Research in South China, Ministry of Education; Guangdong Provincial Key Laboratory of Viral Hepatitis Research; Guangdong Provincial Clinical Research Center for Viral Hepatitis; Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China.
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Coffin PO, Chang YSG, McDaniel M, Leary M, Pating D, McMahan VM, Goldman ML. Evaluation of methamphetamine assist packs: As-needed antipsychotics for self-management of methamphetamine-associated psychiatric toxicity. THE INTERNATIONAL JOURNAL OF DRUG POLICY 2024; 129:104480. [PMID: 38861841 PMCID: PMC11305928 DOI: 10.1016/j.drugpo.2024.104480] [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: 03/31/2024] [Revised: 05/29/2024] [Accepted: 05/30/2024] [Indexed: 06/13/2024]
Abstract
BACKGROUND Methamphetamine frequently causes substance-induced psychosis and related symptoms. There are currently no interventions to prevent or assist in self-management of these symptoms. METHODS We evaluated a program providing "Methamphetamine Assist Packs" to patients who were seen in a psychiatric emergency services program for methamphetamine-induced psychosis. Methamphetamine Assist Packs included a small number of tablets of an antipsychotic medication (olanzapine), administration instructions, and referral information. We reviewed medical charts of patients who received Methamphetamine Assist Packs from January 2022 through May 2023 for sociodemographic and emergency visit characteristics. We assessed the changes between the number of psychiatric emergency visits before and after Methamphetamine Assist Pack receipt at two, six, and 12 months using generalized estimating equations. RESULTS Ninety-two patients received a Methamphetamine Assist Pack, with a mean age of 40 years; 79 % were male and 49 % Black/African American; 77 % experienced housing instability or homelessness. The most common symptoms were suicidal ideation (54 %), paranoia or delusions (45 %), and hallucinations (40 %); 55 % were on involuntary psychiatric hold, 38 % required medications for agitation, and 18 % required seclusion or physical restraints. The rate of psychiatric emergency visits after Methamphetamine Assist Pack receipt was 0.68 and 0.87 times the rate prior to receipt at two and six months, respectively (p < 0.001). There was no difference at 12 months. CONCLUSIONS Methamphetamine Assist Packs were associated with fewer psychiatric emergency visits for six months after receipt, and represent a promising intervention to address acute psychiatric toxicity from methamphetamine in need of further research.
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Affiliation(s)
- Phillip O Coffin
- San Francisco Department of Public Health, 25 Van Ness Ave Suite 500, San Francisco, CA 94102, United States; University of California San Francisco, 1001 Potrero Ave, San Francisco, CA 94110, United States.
| | - Yi-Shin Grace Chang
- San Francisco Department of Public Health, 25 Van Ness Ave Suite 500, San Francisco, CA 94102, United States
| | - Megan McDaniel
- San Francisco Department of Public Health, 25 Van Ness Ave Suite 500, San Francisco, CA 94102, United States
| | - Mark Leary
- University of California San Francisco, 1001 Potrero Ave, San Francisco, CA 94110, United States
| | - David Pating
- San Francisco Department of Public Health, 25 Van Ness Ave Suite 500, San Francisco, CA 94102, United States; University of California San Francisco, 1001 Potrero Ave, San Francisco, CA 94110, United States
| | - Vanessa M McMahan
- San Francisco Department of Public Health, 25 Van Ness Ave Suite 500, San Francisco, CA 94102, United States
| | - Matthew L Goldman
- San Francisco Department of Public Health, 25 Van Ness Ave Suite 500, San Francisco, CA 94102, United States; University of California San Francisco, 1001 Potrero Ave, San Francisco, CA 94110, United States
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Grace Choung HY, Nast CC, Haas M, Lin M, Yamashita M, Hou J. Spectrum of Kidney Biopsy Findings Associated With Methamphetamine Use. Kidney Int Rep 2024; 9:2180-2188. [PMID: 39081731 PMCID: PMC11284416 DOI: 10.1016/j.ekir.2024.04.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 04/16/2024] [Accepted: 04/23/2024] [Indexed: 08/02/2024] Open
Abstract
Introduction Methamphetamine (METH) is one of the most used drugs of abuse worldwide. However, there are few reports and series examining the toxic kidney effects of METH, and associated histopathological changes are not well-described. Methods We retrospectively identified 112 patients with a history significant for METH abuse, of whom 62 were using METH-only and 60 were using METH plus other drugs of abuse. Results In the METH-only cohort, the mean age was 41 years (interquartile range [IQR]: 33-49) and most (76%) were male. Almost all cases (97%) showed evidence of kidney dysfunction at the time of biopsy. Of the cases, 65% had proteinuria, of which 53% were nephrotic range and 10% had nephrotic syndrome. The most common biopsy diagnosis was acute tubular necrosis (ATN) (66%), of which 19% had myoglobin casts; followed by focal segmental glomerulosclerosis (FSGS) in 53% (not otherwise specified [NOS] in 76% and collapsing FSGS [cFSGS] in 18%). Biopsy findings also include tubulointerstitial nephritis (TIN) (37%), thrombotic microangiopathy (TMA) (24%), and diabetic glomerulosclerosis (DG) (31%). Glomerulonephritis (GN) was identified in one-third of cases, the most common of which were infection-related GN (IRGN) (15%) and IgA nephropathy (IgAN) (11%). Of those with GN, 64% had underlying infection. Of interest, there was increased association for myoglobinuric ATN in those with concurrent ethanol-abuse (P = 0.002). Moreover, the METH-only patients were more likely to have DG compared to those with multiple substance-use (P = 0.01). More than half of the patients demonstrated at least moderate to severe tubulointerstitial scarring and marked hypertensive vascular disease. Conclusion Most patients with METH-use present with acute kidney injury (AKI) and often have proteinuria associated with a wide spectrum of renal pathology.
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Affiliation(s)
- Hae Yoon Grace Choung
- Department of Pathology and Laboratory Medicine, Cedars Sinai Medical Center, Los Angeles, California, USA
| | - Cynthia C. Nast
- Department of Pathology and Laboratory Medicine, Cedars Sinai Medical Center, Los Angeles, California, USA
| | - Mark Haas
- Department of Pathology and Laboratory Medicine, Cedars Sinai Medical Center, Los Angeles, California, USA
| | - Mercury Lin
- Department of Pathology and Laboratory Medicine, Cedars Sinai Medical Center, Los Angeles, California, USA
| | - Michifumi Yamashita
- Department of Pathology and Laboratory Medicine, Cedars Sinai Medical Center, Los Angeles, California, USA
| | - Jean Hou
- Department of Pathology and Laboratory Medicine, Cedars Sinai Medical Center, Los Angeles, California, USA
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Hu YB, Deng X, Liu L, Cao CC, Su YW, Gao ZJ, Cheng X, Kong D, Li Q, Shi YW, Wang XG, Ye X, Zhao H. Distinct roles of excitatory and inhibitory neurons in the medial prefrontal cortex in the expression and reconsolidation of methamphetamine-associated memory in male mice. Neuropsychopharmacology 2024:10.1038/s41386-024-01879-2. [PMID: 38730034 DOI: 10.1038/s41386-024-01879-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 04/26/2024] [Accepted: 04/29/2024] [Indexed: 05/12/2024]
Abstract
Methamphetamine, a commonly abused drug, is known for its high relapse rate. The persistence of addictive memories associated with methamphetamine poses a significant challenge in preventing relapse. Memory retrieval and subsequent reconsolidation provide an opportunity to disrupt addictive memories. However, the key node in the brain network involved in methamphetamine-associated memory retrieval has not been clearly defined. In this study, using the conditioned place preference in male mice, whole brain c-FOS mapping and functional connectivity analysis, together with chemogenetic manipulations of neural circuits, we identified the medial prefrontal cortex (mPFC) as a critical hub that integrates inputs from the retrosplenial cortex and the ventral tegmental area to support both the expression and reconsolidation of methamphetamine-associated memory during its retrieval. Surprisingly, with further cell-type specific analysis and manipulation, we also observed that methamphetamine-associated memory retrieval activated inhibitory neurons in the mPFC to facilitate memory reconsolidation, while suppressing excitatory neurons to aid memory expression. These findings provide novel insights into the neural circuits and cellular mechanisms involved in the retrieval process of addictive memories. They suggest that targeting the balance between excitation and inhibition in the mPFC during memory retrieval could be a promising treatment strategy to prevent relapse in methamphetamine addiction.
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Affiliation(s)
- Yu-Bo Hu
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
- Guangdong Province Translational Forensic Medicine Engineering Technology Research Center, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
- Guangdong Province Key Laboratory of Brain Function and Disease, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
| | - Xi Deng
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
| | - Lu Liu
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
| | - Can-Can Cao
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
| | - Ya-Wen Su
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
| | - Zhen-Jie Gao
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
| | - Xin Cheng
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
| | - Deshan Kong
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
| | - Qi Li
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
| | - Yan-Wei Shi
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
- Guangdong Province Translational Forensic Medicine Engineering Technology Research Center, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
- Guangdong Province Key Laboratory of Brain Function and Disease, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
| | - Xiao-Guang Wang
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
- Guangdong Province Translational Forensic Medicine Engineering Technology Research Center, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
- Guangdong Province Key Laboratory of Brain Function and Disease, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
| | - Xiaojing Ye
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China.
- Guangdong Province Translational Forensic Medicine Engineering Technology Research Center, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China.
- Guangdong Province Key Laboratory of Brain Function and Disease, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China.
| | - Hu Zhao
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China.
- Guangdong Province Translational Forensic Medicine Engineering Technology Research Center, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China.
- Guangdong Province Key Laboratory of Brain Function and Disease, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China.
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Bayazit H, Baronia R, Wakefield SM. Methamphetamine intoxication and suicidal ideation/behavior in the emergency department. Curr Med Res Opin 2024; 40:849-854. [PMID: 38511972 DOI: 10.1080/03007995.2024.2333429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Accepted: 03/18/2024] [Indexed: 03/22/2024]
Abstract
BACKGROUND This study investigates the association between Methamphetamine (MA) intoxication and suicidal ideation/behavior in patients presenting to emergency departments. Amidst rising MA use and co-use with opioids, this "twin epidemic" has manifested in increasing admissions for MA intoxication, often accompanied by psychiatric symptoms that can escalate to suicidal behaviors. METHOD This retrospective study utilized patient records and analyzed data from 629 patients admitted to a Texas emergency department in 2020, with MA intoxication confirmed via urine tests and patient interviews. The suicidal tendencies were assessed using the Columbia-Suicide Severity Scale. The 629 patients were divided into three groups for analysis: Group I (n = 188), MA positive with suicidal ideation (SI) (MA + SI+); Group II (n = 202), MA-positive without SI (MA + SI-); and Group III (n = 239), MA-negative with SI (MA- SI+). Multiple regression analysis was used to elicit clinical features predicting patients presenting to the emergency department with acute MA intoxication. RESULTS Results reveal that approximately half of patients with acute MA intoxication reported suicidal thoughts, indicating a significant association between MA use and suicidal tendencies. Females exhibited higher rates of suicidal thoughts, behavior, and subsequent medical attention compared to males. Sociodemographic characteristics and clinical features differed among MA-positive patients with and without SI. Multivariable regression analysis identified factors influencing MA use, including cannabis use, male gender, agitation, and an inverse association with alcohol use. Notably, the severity and potential lethality of suicidal behavior in MA-intoxicated patients paralleled those observed in psychiatric patients without MA use. CONCLUSION These results underscore the urgent need for targeted interventions to address the complex interplay between MA use and suicidal risks in the emergency department setting, as well as broader public health strategies to combat the increasing prevalence of MA use.
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Affiliation(s)
- Huseyin Bayazit
- Department of Psychiatry, Texas Tech University Health Science Center, Lubbock, TX, USA
- Behavioral Sciences and Psychiatry Department, Duke University, Durham, NC, USA
| | - Regina Baronia
- Department of Psychiatry, Texas Tech University Health Science Center, Lubbock, TX, USA
| | - Sarah M Wakefield
- Department of Psychiatry, Texas Tech University Health Science Center, Lubbock, TX, USA
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Kuhn EJ, Ross KE, Walker GS, Wright J, Whiley H. An Investigation into the Prevalence of Methamphetamine Related Enquiries to Local Government Environmental Health Officers. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2024; 21:455. [PMID: 38673366 PMCID: PMC11050614 DOI: 10.3390/ijerph21040455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 03/16/2024] [Accepted: 04/05/2024] [Indexed: 04/28/2024]
Abstract
Methamphetamine contamination of residential properties remains a serious public health concern for members of the public. External stakeholders including Environmental Health Officers (EHOs) and testing and remediation technicians are engaged on investigating whether contamination has occurred from manufacturing or smoking processes. More specifically, local council EHOs are responsible for managing clandestine drug laboratories when notified by police and also for responding to public enquiries. However, the full scope of these contaminated properties is not seen by any single stakeholder, making it very challenging to quantify these situations. To evaluate the prevalence of methamphetamine related enquiries from the general public to EHOs, this study surveyed and interviewed officers from around Australia. It was found that public enquiries were infrequent with only 6% of respondents having received enquiries in the last month, which indicates that people are seeking information from other sources. Interestingly, there were case study scenarios that also mentioned issues with awareness and the flow of information. Concerns regarding difficult cases, police notifications, and site visits were also highlighted. The results of this study provide a benchmark of how methamphetamine related cases are managed and highlight the need for trustworthy information that is available to EHOs, governments, industry members, and the public in a unified location.
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Affiliation(s)
- Emma J. Kuhn
- College of Science and Engineering, Flinders University, Adelaide, SA 5001, Australia; (K.E.R.); (G.S.W.); (J.W.); (H.W.)
| | - Kirstin E. Ross
- College of Science and Engineering, Flinders University, Adelaide, SA 5001, Australia; (K.E.R.); (G.S.W.); (J.W.); (H.W.)
| | - G. Stewart Walker
- College of Science and Engineering, Flinders University, Adelaide, SA 5001, Australia; (K.E.R.); (G.S.W.); (J.W.); (H.W.)
| | - Jackie Wright
- College of Science and Engineering, Flinders University, Adelaide, SA 5001, Australia; (K.E.R.); (G.S.W.); (J.W.); (H.W.)
- Environmental Risk Sciences, Sydney, NSW 2118, Australia
| | - Harriet Whiley
- College of Science and Engineering, Flinders University, Adelaide, SA 5001, Australia; (K.E.R.); (G.S.W.); (J.W.); (H.W.)
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Klainbart S, Sykes CA, Poppenga RH. Dog and cat exposures to drugs of abuse identified by the California animal health and food safety laboratory system 2013-2023. Front Vet Sci 2024; 11:1372614. [PMID: 38515534 PMCID: PMC10954829 DOI: 10.3389/fvets.2024.1372614] [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: 01/18/2024] [Accepted: 02/26/2024] [Indexed: 03/23/2024] Open
Abstract
Introduction While known animal exposures to human "drugs of abuse" (DA) were previously considered relatively uncommon in veterinary medicine, the trends are changing. Marijuana and amphetamines are among the 20 toxicants most frequently consulted about with the Pet Poison Helpline. When such exposures occur, they are typically considered emergencies. Methods This retrospective study describes confirmed cases of DA exposure in pets from the California Animal Health and Food Safety Laboratory System (CAHFS), 2013-2023. Results Fifty-seven samples tested positive for DA through liquid chromatography with tandem mass spectrometry analysis (qualitative method). In 75% (43/57) of the DA screen tests, the detected drugs included amphetamine-type stimulants and metabolites (methamphetamine, amphetamine, or both). In 47% (27/57) of cases, a combination of more than one drug group was found. Most cases were diagnosed from a urine specimen. In at least 32% (18/57) of cases, the samples were submitted due to suspicions of animal cruelty, and at least 41% (23/57) of the patients were deceased when the samples were submitted. Discussion More studies on the prevalence of illicit drugs in small animals, using confirmatory testing, are warranted to fully understand the significance of this emerging toxicological hazard in veterinary medicine.
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Affiliation(s)
- Sigal Klainbart
- California Animal Health and Food Safety Laboratory System, University of California, Davis, Davis, CA, United States
- Department of Small Animal Emergency and Critical Care, The Veterinary Teaching Hospital, Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agricultural, Food & Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Chelsea A. Sykes
- California Animal Health and Food Safety Laboratory System, University of California, Davis, Davis, CA, United States
| | - Robert H. Poppenga
- California Animal Health and Food Safety Laboratory System, University of California, Davis, Davis, CA, United States
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Adeniyi PA, Adeyelu TT, Shrestha A, Liu CC, Lee CC. Prenatal and postnatal methamphetamine exposure alters prefrontal cortical gene expression and behavior in mice. Front Behav Neurosci 2024; 18:1286872. [PMID: 38505323 PMCID: PMC10949922 DOI: 10.3389/fnbeh.2024.1286872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 02/07/2024] [Indexed: 03/21/2024] Open
Abstract
Methamphetamine is a highly abused psychostimulant that substantially impacts public health. Prenatal and postnatal methamphetamine exposure alters gene expression, brain development, and behavior in the offspring, although the underlying mechanisms are not fully defined. To assess these adverse outcomes in the offspring, we employed a mouse model of prenatal and postnatal methamphetamine exposure. Juvenile offspring were behaviorally assessed on the open field, novel object recognition, Y-maze, and forced swim tests. In addition, RNA sequencing was used to explore potential alterations in prefrontal cortical gene expression. We found that methamphetamine-exposed mice exhibited decreased locomotor activity and impaired cognitive performance. In addition, differential expression of genes involved in neurotransmission, synaptic plasticity, and neuroinflammation were found with notable changes in dopaminergic signaling pathways. These data suggest potential neural and molecular mechanisms underlying methamphetamine-exposed behavioral changes. The altered expression of genes involved in dopaminergic signaling and synaptic plasticity highlights potential targets for therapeutic interventions for substance abuse disorders and related psychiatric complications.
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Affiliation(s)
- Philip A. Adeniyi
- Department of Comparative Biomedical Sciences, Louisiana State University School of Veterinary Medicine, Baton Rouge, LA, United States
- Department of Pediatrics, Oregon Health & Science University, Portland, OR, United States
| | - Tolulope T. Adeyelu
- Department of Comparative Biomedical Sciences, Louisiana State University School of Veterinary Medicine, Baton Rouge, LA, United States
| | - Amita Shrestha
- Department of Comparative Biomedical Sciences, Louisiana State University School of Veterinary Medicine, Baton Rouge, LA, United States
| | - Chin-Chi Liu
- Department of Veterinary Clinical Sciences, Louisiana State University School of Veterinary Medicine, Baton Rouge, LA, United States
| | - Charles C. Lee
- Department of Comparative Biomedical Sciences, Louisiana State University School of Veterinary Medicine, Baton Rouge, LA, United States
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Ren Z, Mu L, Wang L, Xia L, Song P, Wang Y, Li J, Duan F, Li H, Tang H, Wang W, Zhu L, Zhang L, Song X, Wang Y, Zhao W, Zhu Y, Wang Z, Shao W, Zhang X, Jiao D. Predictive role of impulsivity, anxiety, and depression in the efficacy of intermittent theta burst transcranial magnetic stimulation modalities for treating methamphetamine use disorder: A randomized clinical trial. JOURNAL OF SUBSTANCE USE AND ADDICTION TREATMENT 2024; 156:209189. [PMID: 37866441 DOI: 10.1016/j.josat.2023.209189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 03/22/2023] [Accepted: 10/04/2023] [Indexed: 10/24/2023]
Abstract
INTRODUCTION Methamphetamine use disorder (MUD) can cause impulsive behavior, anxiety, and depression. Stimulation of the left dorsolateral prefrontal cortex in MUD patients by intermittent theta burst repetitive transcranial magnetic stimulation (iTBS-rTMS) is effective in reducing cravings, impulsive behavior, anxiety, and depression. The purpose of this study was to explore whether these psychological factors helped to predict MUD patients' responses to iTBS-rTMS treatment. METHODS Fifty MUD patients and sixty healthy subjects matched for general conditions were used as study subjects. The study randomly divided MUD patients into iTBS-rTMS and sham stimulation groups and received 20 sessions of real or sham iTBS-rTMS treatment, and the study collected cue-related evoked craving data before and after treatment. All subjects completed the Barratt Impulsiveness Scale (BIS-11), Self-rating Anxiety Scale (SAS), and Self-rating Depression Scale (SDS). RESULTS The MUD patients showed significantly higher levels of impulsivity, anxiety, and depression than the healthy subjects. The MUD patients who received the real treatment had significantly lower impulsivity, anxiety, and depression scores, and better treatment effects on cravings than the sham stimulation group. The Spearman rank correlation and stepwise multiple regression analyses showed that the baseline BIS-11 and the reduction rate (RR) of BIS-11 and RR of SDS were positively correlated with the decrease in cravings in the iTBS-rTMS group. ROC curve analysis showed that RR of SDS (AUC = 91.6 %; 95 % CI = 0.804-1.000) had predictive power to iTBS- rTMS therapeutic efficacy, the cutoff value is 15.102 %. CONCLUSIONS iTBS-rTMS had a good therapeutic effect in MUD patients and the baseline impulsivity, the improved depression and impulsivity were associated with therapeutic effect of iTBS-rTMS. The improved depression had the potential to predict the efficacy of the iTBS-rTMS modality for MUD treatment.
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Affiliation(s)
- Zixuan Ren
- School of Mental Health, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Linlin Mu
- School of Mental Health, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Lijin Wang
- School of Mental Health, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Lingling Xia
- School of Mental Health, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Peipei Song
- School of Mental Health, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Yan Wang
- School of Mental Health, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Junda Li
- School of Mental Health, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Fan Duan
- School of Mental Health, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Haonan Li
- School of Mental Health, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Huajun Tang
- Compulsory Isolated Drug Rehabilitation Center, Bengbu, Anhui 233030, China
| | - Wenjuan Wang
- School of Mental Health, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Lin Zhu
- School of Mental Health, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Lei Zhang
- School of Mental Health, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Xun Song
- School of Mental Health, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Yujing Wang
- School of Mental Health, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Wei Zhao
- School of Mental Health, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Yuqiong Zhu
- School of Mental Health, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Ze Wang
- School of Mental Health, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Wenyi Shao
- School of Mental Health, Bengbu Medical College, Bengbu, Anhui 233030, China
| | - Xiaochu Zhang
- School of Mental Health, Bengbu Medical College, Bengbu, Anhui 233030, China; CAS Key Laboratory of Brain Function and Disease and School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230027, China.
| | - Dongliang Jiao
- School of Mental Health, Bengbu Medical College, Bengbu, Anhui 233030, China.
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10
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Jaehne EJ, Semaan H, Grosman A, Xu X, Schwarz Q, van den Buuse M. Enhanced methamphetamine sensitisation in a rat model of the brain-derived neurotrophic factor Val66Met variant: Sex differences and dopamine receptor gene expression. Neuropharmacology 2023; 240:109719. [PMID: 37742717 DOI: 10.1016/j.neuropharm.2023.109719] [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: 06/12/2023] [Revised: 08/29/2023] [Accepted: 09/17/2023] [Indexed: 09/26/2023]
Abstract
Brain-derived neurotrophic factor (BDNF) and the Val66Met polymorphism may play a role in the development of psychosis and schizophrenia. The aim of this study was to investigate long-term effects of methamphetamine (Meth) on psychosis-like behaviour and dopamine receptor and dopamine transporter gene expression in a novel rat model of the BDNF Val66Met polymorphism. At the end of a 7-day subchronic Meth treatment, female rats with the Met/Met genotype selectively showed locomotor hyperactivity sensitisation to the acute effect of Meth. Male rats showed tolerance to Meth irrespective of Val66Met genotype. Two weeks later, female Met/Met rats showed increased locomotor activity following both saline treatment or a low dose of Meth, a hyperactivity which was not observed in other genotypes or in males. Baseline PPI did not differ between the groups but the disruption of PPI by acute treatment with apomorphine was absent in Meth-pretreated Met/Met rats. Female Met/Met rats selectively showed down-regulation of dopamine D2 receptor gene expression in striatum. Behavioural effects of MK-801 or its locomotor sensitisation by prior Meth pretreatment were not influenced by genotype. These data suggest a selective vulnerability of female Met/Met rats to short-term and long-term effects of Meth, which could model increased vulnerability to psychosis development associated with the BDNF Val66Met polymorphism.
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Affiliation(s)
- Emily J Jaehne
- Department of Psychology and Counselling, School of Psychology and Public Health, La Trobe University, Melbourne, Australia
| | - Hayette Semaan
- Department of Psychology and Counselling, School of Psychology and Public Health, La Trobe University, Melbourne, Australia
| | - Adam Grosman
- Department of Psychology and Counselling, School of Psychology and Public Health, La Trobe University, Melbourne, Australia
| | - Xiangjun Xu
- Centre for Cancer Biology, SA Pathology and University of South Australia, Adelaide, Australia
| | - Quenten Schwarz
- Centre for Cancer Biology, SA Pathology and University of South Australia, Adelaide, Australia
| | - Maarten van den Buuse
- Department of Psychology and Counselling, School of Psychology and Public Health, La Trobe University, Melbourne, Australia; Department of Pharmacology, University of Melbourne, Melbourne, Australia.
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11
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Tanrıkulu AB, Kaya H, Çatak Z. Elevated C-reactive protein/albumin ratio in patients with methamphetamine use disorder. Int J Psychiatry Clin Pract 2023; 27:351-358. [PMID: 37477597 DOI: 10.1080/13651501.2023.2237557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Accepted: 07/09/2023] [Indexed: 07/22/2023]
Abstract
BACKGROUND Methamphetamine use disorder causes significant crises, which have individual, familial, and social consequences. Identifying inflammatory biomarkers for methamphetamine use disorder may be useful for following the inflammatory status of patients in clinical assessment. In this study, we aimed to investigate whether neutrophil/lymphocyte ratio (NLR), platelet/lymphocyte ratio (PLR), monocyte/lymphocyte ratio (MLR), C-reactive protein/albumin ratio (CAR) and neutrophil/albumin ratio (NAR) levels can be used as inflammatory biomarkers in methamphetamine use disorder. METHODS The sample comprised 139 treatment-seeking participants who met the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) criteria for methamphetamine use disorder and 139 sociodemographically matched controls. Only hospitalised patients were included. An independent sample t-test, Pearson's correlation test, and binominal logistic regression analysis were performed. RESULTS CAR (p = 0.016) and NAR (p = 0.048) levels were significantly higher in individuals with methamphetamine use disorder when compared with healthy controls. The CAR level was found to be a significant predictor of group membership in regression analysis for methamphetamine use disorder. CONCLUSION CAR may be a potential inflammatory biomarker for patients with methamphetamine use disorder. CAR as a relatively easier-to-measure biomarker could be beneficial to follow the inflammatory status and treatment response of patients.
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Affiliation(s)
- Ali Baran Tanrıkulu
- Psychiatry, Elazığ Mental Health and Diseases Hospital, Turkey Elazığ, Turkey
| | - Hilal Kaya
- Psychiatry, Elazığ Mental Health and Diseases Hospital, Turkey Elazığ, Turkey
| | - Zekiye Çatak
- Department of Biochemistry, Health Sciences University Elazığ Fethi Sekin City Hospital, Central Laboratory, Elazig, Turkey
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12
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Raza M, Abeysundera H, Branjerdporn G. Impact of long-acting buprenorphine injection on methamphetamine use: A retrospective cohort study. Australas Psychiatry 2023; 31:690-693. [PMID: 37478293 DOI: 10.1177/10398562231190211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/23/2023]
Abstract
OBJECTIVE The aim is to assess the impact of long-acting buprenorphine (LAI-BNP) on frequency of methamphetamine (MA) use. METHODS We undertook an observational, descriptive, retrospective cohort study of patients of a public, tertiary, community-based Alcohol and Other Drug Service (AODS) with opioid use disorder (OUD) treated with LAI-BNP who are current or past users of MA. We assessed the changes of frequency of use in their MA use at start (baseline), 3 and 6 months of LAI-BNP. RESULTS Study included 59 participants. Based on their MA use at the commencement of LAI-BNP, the sample was further sub-grouped as active users (n = 30) and past users (n = 29). At 6 months of LAI-BNP, all the past users remained abstinent from MA use. 70% (n = 21) of participants with active MA use had reduced or ceased their MA use while 17% (n = 5) increased their MA use at 6 months. CONCLUSIONS The results favour the use of LAI-BNP as a potential treatment for MA use.
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Affiliation(s)
- M Raza
- Department of Psychiatry, Gold Coast University Hospital, Gold Coast, QLD, Australia
| | - H Abeysundera
- Department of Psychiatry, Gold Coast University Hospital, Gold Coast, QLD, Australia; and School of Medicine, Griffith University, Gold Coast, QLD, Australia
| | - G Branjerdporn
- Department of Psychiatry, Gold Coast University Hospital, Gold Coast, QLD, Australia
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13
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Leidl D, Takhar P, Li H. Prescription psychostimulants as a harm reduction and treatment intervention for methamphetamine use disorder and the implications for nursing clinical practice: A scoping review of the literature. Int J Ment Health Nurs 2023; 32:1225-1242. [PMID: 36978242 DOI: 10.1111/inm.13144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 03/12/2023] [Accepted: 03/15/2023] [Indexed: 03/30/2023]
Abstract
The global rise in methamphetamine use and its negative effects warrants the need for research exploring harm reduction and treatment interventions for individuals with methamphetamine use disorder. Agonist medications have been utilized for years for the treatment of heroin and opioid addiction, but have yet to be incorporated into mainstream Canadian practice for methamphetamine dependence. This review aims to provide an overview of the current trends of prescription psychostimulant usage for individuals with methamphetamine use disorder from a Canadian perspective, identifies the barriers to accessing prescription psychostimulants for methamphetamine use disorder and highlights the nursing clinical practice implications in caring for individuals with the disorder. Discourse on the sustained abstinence and harm reduction debate is presented from the perspective of methamphetamine abuse is provided along with the neuropsychiatric complications of chronic methamphetamine use. The impacts of specific prescription psychostimulants on cognition are discussed as is the use of neuroimaging techniques to assess neuronal damage in methamphetamine users. Sign of toxicity, overdose and the contraindications for use of these prescription psychostimulants is also presented. The implications to nursing clinical practice in caring for this population is provided, touching on the clinical presentation of methamphetamine use, completing thorough assessment and screening and patient education. The findings of this review indicate the need for further research in this area exploring the benefits of prescription psychostimulants as a harm reduction and treatment intervention for the global problem of methamphetamine dependence.
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Affiliation(s)
- Don Leidl
- College of Nursing, University of Saskatchewan, Saskatoon, Canada
| | - Pearl Takhar
- College of Nursing, University of Saskatchewan, Saskatoon, Canada
| | - Hua Li
- College of Nursing, University of Saskatchewan, Saskatoon, Canada
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14
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Miao B, Xing X, Bazylianska V, Madden P, Moszczynska A, Zhang B. Methamphetamine-induced region-specific transcriptomic and epigenetic changes in the brain of male rats. Commun Biol 2023; 6:991. [PMID: 37758941 PMCID: PMC10533900 DOI: 10.1038/s42003-023-05355-3] [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: 07/13/2022] [Accepted: 09/13/2023] [Indexed: 09/29/2023] Open
Abstract
Psychostimulant methamphetamine (METH) is neurotoxic to the brain and, therefore, its misuse leads to neurological and psychiatric disorders. The gene regulatory network (GRN) response to neurotoxic METH binge remains unclear in most brain regions. Here we examined the effects of binge METH on the GRN in the nucleus accumbens, dentate gyrus, Ammon's horn, and subventricular zone in male rats. At 24 h after METH, ~16% of genes displayed altered expression and over a quarter of previously open chromatin regions - parts of the genome where genes are typically active - showed shifts in their accessibility. Intriguingly, most changes were unique to each area studied, and independent regulation between transcriptome and chromatin accessibility was observed. Unexpectedly, METH differentially impacted gene activity and chromatin accessibility within the dentate gyrus and Ammon's horn. Around 70% of the affected chromatin-accessible regions in the rat brain have conserved DNA sequences in the human genome. These regions frequently act as enhancers, ramping up the activity of nearby genes, and contain mutations linked to various neurological conditions. By sketching out the gene regulatory networks associated with binge METH in specific brain regions, our study offers fresh insights into how METH can trigger profound, region-specific molecular shifts.
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Affiliation(s)
- Benpeng Miao
- Department of Developmental Biology, Center of Regenerative Medicine, Washington University School of Medicine, St. Louis, MO, 63110, USA
- Department of Genetics, Center for Genomic Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Xiaoyun Xing
- Department of Genetics, Center for Genomic Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Viktoriia Bazylianska
- Department of Pharmaceutical Sciences, Wayne State University, Detroit, MI, 48201, USA
| | - Pamela Madden
- Department of Psychiatry, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Anna Moszczynska
- Department of Pharmaceutical Sciences, Wayne State University, Detroit, MI, 48201, USA.
| | - Bo Zhang
- Department of Developmental Biology, Center of Regenerative Medicine, Washington University School of Medicine, St. Louis, MO, 63110, USA.
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Wang Z, Wang W, Yang F. Species-specific bioaccumulation and risk prioritization of psychoactive substances in cultured fish. CHEMOSPHERE 2023; 325:138440. [PMID: 36934481 DOI: 10.1016/j.chemosphere.2023.138440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 03/01/2023] [Accepted: 03/16/2023] [Indexed: 06/18/2023]
Abstract
Psychoactive substances are becoming new concern in environmental research with their increasing applications and the potential threats to fishery production as these substances could alter the behavior of fish and consequently affect the yield and quality of cultured fish. In this study, the accumulation and risk of twenty psychoactive substances were investigated in five species of cultured fish in Eastern China. The results showed that the total concentrations of these twenty psychoactive substances ranged from 0.15 to 0.92 ng mL-1 in the plasma among the five species of cultured fish with an order of perch > crucian carp > bighead carp > grass carp > silver carp. Diazepam (DIAZ) and methamphetamine (MAMP) were identified as the most frequently detected compounds, which were found in 100% and 93% of the samples with a median concentration of 0.15 and 0.12 ng mL-1 in the plasma, respectively. Although all of the psychoactive substances posed low or negligible risk, species-specific analysis of risk prioritization revealed that alprazolam, MAMP, temazepam and DIAZ exhibited the greatest potentials of hazard to all species of the cultured fish but with a species-dependent variation. These findings suggest that the adverse effects of psychoactive substances on fishery production, especially on different species, should be considered.
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Affiliation(s)
- Zeyuan Wang
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Natural Resources and Environmental Science, Zhejiang University, 310058, Hangzhou, China
| | - Wei Wang
- Zhejiang Institute of Hydraulics and Estuary, Hangzhou, 310020, China
| | - Fangxing Yang
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Natural Resources and Environmental Science, Zhejiang University, 310058, Hangzhou, China.
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16
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Ranaldi R, Timken P, Parasram D, Ali T, Zhang S, Moukha-Chafiq O, Augelli-Szafran C, Streicher JM. The D3 receptor antagonist SR 21502 reduces cue-induced reinstatement of methamphetamine-seeking in rats. Neurosci Lett 2023; 806:137237. [PMID: 37059218 PMCID: PMC10189795 DOI: 10.1016/j.neulet.2023.137237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/21/2023] [Accepted: 04/05/2023] [Indexed: 04/16/2023]
Abstract
There is as of yet no FDA-approved medication for methamphetamine use disorder. Although dopamine D3 receptor antagonists have been shown to be useful in reducing methamphetamine seeking in animal models their translation to the clinic has been hindered because currently tested compounds can produce dangerously high blood pressure. Thus, it is important to continue to explore other classes of D3 antagonists. We report here the effects of SR 21502, a selective D3 receptor antagonist, on cue-induced reinstatement (i.e., relapse) of methamphetamine-seeking in rats. In Experiment 1, rats were trained to self-administer methamphetamine under a fixed ratio schedule of reinforcement followed by extinction of the response. Then, animals were tested with one of several doses of SR 21502 on cue-induced reinstatement of responding. SR 21502 significantly reduced cue-induced reinstatement of methamphetamine-seeking. In Experiment 2, animals were trained to lever press for food under a PR schedule and tested with the lowest dose of SR 21502 that caused a significant reduction in Experiment 1. These animals responded on average 8 times more than the vehicle-treated rats in Experiment 1, eliminating the possibility that SR 21502-treated rats in Experiment 1 responded less because they were incapacitated. In summary, these data suggest that SR 21502 may selectively inhibit methamphetamine-seeking and may constitute a promising pharmacotherapeutic agent for methamphetamine or other drug use disorders.
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Affiliation(s)
- Robert Ranaldi
- Department of Psychology, Queens College, The City University of New York, Flushing, NY, USA.
| | - Patrick Timken
- Department of Psychology, Queens College, The City University of New York, Flushing, NY, USA
| | - Daleya Parasram
- Department of Psychology, Queens College, The City University of New York, Flushing, NY, USA
| | - Tasmia Ali
- Department of Psychology, Queens College, The City University of New York, Flushing, NY, USA
| | - Sixue Zhang
- Scientific Platforms, Southern Research Institute, Birmingham, AL, USA
| | | | | | - John M Streicher
- Department of Pharmacology, College of Medicine and the Comprehensive Pain and Addiction Center, University of Arizona, Tucson, AZ, USA
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Leonard A, Broussard J, Jain J, Kumar S, Santos GM, Dawson-Rose C. Prevalence and correlates of methamphetamine use in transitional age youth experiencing homelessness or housing instability in San Francisco, CA. J Nurs Scholarsh 2023; 55:711-720. [PMID: 36480216 PMCID: PMC11288896 DOI: 10.1111/jnu.12856] [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: 08/03/2022] [Revised: 11/10/2022] [Accepted: 11/17/2022] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Substance use, including methamphetamine use, is a contributing factor in HIV acquisition and treatment. Stimulant use is linked to mental health yet there is limited data from youth in community-based settings. DESIGN One hundred marginally housed or homeless transitional age youth (TAY) were recruited at Larkin Street Youth Services and completed a survey on mental health and substance use. METHODS We conducted secondary data analysis using multivariable logistic regression models to identify the correlates of methamphetamine use among TAY. RESULTS The participants' mean age was 22. Of those who reported methamphetamine use in the past 3 months, 64% were Gay, Bisexual, or Pansexual. Factors independently associated with methamphetamine use were; living with HIV (adjusted odds ratio [aOR] = 3.18, 95% CI = 1.11-9.15), depressive symptoms (aOR = 6.02, 95% CI = 1.46-24.78), symptoms of PTSD (aOR = 13.38, 95% CI = 1.59-112.73), polysubstance use in the past 3 months (aOR = 50.02, 95% CI = 9.72-257.46) and a history of injection drug use (aOR = 8.38, 95% CI = 1.87-37.53). CONCLUSIONS Results from this study suggest a need to develop, adapt, and rapidly implement comprehensive interventions that address the combined epidemics of substance use, HIV, and mental health among TAY. CLINICAL RELEVANCE This article examines factors associated with methamphetamine use among transitional age youth (TAY) experiencing homelessness or housing instability. Several factors were associated with use, including depression, PTSD, HIV status, polysubstance use, and injection drug use. These findings highlight the need for nurses to assess for methamphetamine use among youth as well as associated mental health and physical health problems. Nurses should link TAY who are using methamphetamine to evidence-based treatment programs to address substance use and comorbid conditions.
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Affiliation(s)
- Adam Leonard
- Department of Community Health Systems, School of Nursing, University of California, San Francisco, San Francisco, California, USA
| | - Janessa Broussard
- Department of Community Health Systems, School of Nursing, University of California, San Francisco, San Francisco, California, USA
| | - Jennifer Jain
- Department of Community Health Systems, School of Nursing, University of California, San Francisco, San Francisco, California, USA
- Department of Psychiatry and Behavioral Sciences, School of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Shanil Kumar
- Department of Community Health Systems, School of Nursing, University of California, San Francisco, San Francisco, California, USA
| | - Glenn-Milo Santos
- Department of Community Health Systems, School of Nursing, University of California, San Francisco, San Francisco, California, USA
- Center on Substance Use and Health, San Francisco Department of Public Health, San Francisco, California, USA
| | - Carol Dawson-Rose
- Department of Community Health Systems, School of Nursing, University of California, San Francisco, San Francisco, California, USA
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Clifford B, Van Gordon K, Magee F, Malone V, Siefried KJ, Graham D, Ezard N. "There's a big tag on my head": exploring barriers to treatment seeking with women who use methamphetamine in Sydney, Australia. BMC Health Serv Res 2023; 23:162. [PMID: 36793060 PMCID: PMC9933255 DOI: 10.1186/s12913-023-09125-z] [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: 08/08/2022] [Accepted: 01/30/2023] [Indexed: 02/17/2023] Open
Abstract
BACKGROUND Australia has a high prevalence of regular use of methamphetamine. While half of people who use methamphetamine regularly are women, they make up only one third of people seeking treatment for methamphetamine use disorder. There is a lack of qualitative research into the facilitators and barriers to treatment for women who use methamphetamine regularly. The study seeks a better understanding of the experiences and treatment preferences of women who use methamphetamine, to inform person-centred changes in practice and policy that break down barriers to treatment. METHODS We conducted semi-structured interviews with 11 women who frequently use methamphetamine (at least once a week), and who are not engaged in treatment. Women were recruited from health services surrounding a stimulant treatment centre at an inner-city hospital. Participants were asked about their methapmhetamine use and health service needs and preferences. Thematic analysis was completed using Nvivo® software. RESULTS Three themes were developed from participants' responses around experiences of regular methamphetamine use and treatment needs: 1. Resistance of stigmatised identity including dependence; 2. Interpersonal violence; 3. Institutionalised stigma. A fourth set of themes on service delivery preferences were also elicited, including continuity of care, integrated health care, and provision of non-judgmental services. CONCLUSION Gender-inclusive health care services for people who use methamphetamine should actively work to address stigma, support a relational approach to assessment and treatment, and seek to provide structurally competent health care that is trauma and violence informed, and integrated with other services. Findings may also have application for substance use disorders other than methamphetamine.
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Affiliation(s)
- Brendan Clifford
- Alcohol & Drug Service, St Vincent's Hospital Sydney, Sydney, New South Wales, Australia. .,National Centre for Clinical Research on Emerging Drugs of Concern, Sydney, New South Wales, Australia. .,Drug and Alcohol Clinical Research and Improvement Network, Sydney, New South Wales, Australia. .,National Drug and Alcohol Research Centre, University of New South Wales Sydney, Sydney, Australia.
| | - Kate Van Gordon
- Victor Medical Centre, Victor Harbor, South Australia Australia
| | - Fiona Magee
- grid.477714.60000 0004 0587 919XSouth Eastern Sydney Local Health District, Sydney, New South Wales Australia
| | - Victoria Malone
- grid.437825.f0000 0000 9119 2677Alcohol & Drug Service, St Vincent’s Hospital Sydney, Sydney, New South Wales Australia
| | - Krista J. Siefried
- grid.437825.f0000 0000 9119 2677Alcohol & Drug Service, St Vincent’s Hospital Sydney, Sydney, New South Wales Australia ,grid.508539.2National Centre for Clinical Research on Emerging Drugs of Concern, Sydney, New South Wales Australia ,grid.1005.40000 0004 4902 0432National Drug and Alcohol Research Centre, University of New South Wales Sydney, Sydney, Australia
| | - Duncan Graham
- grid.508539.2National Centre for Clinical Research on Emerging Drugs of Concern, Sydney, New South Wales Australia
| | - Nadine Ezard
- grid.437825.f0000 0000 9119 2677Alcohol & Drug Service, St Vincent’s Hospital Sydney, Sydney, New South Wales Australia ,grid.508539.2National Centre for Clinical Research on Emerging Drugs of Concern, Sydney, New South Wales Australia ,Drug and Alcohol Clinical Research and Improvement Network, Sydney, New South Wales Australia ,grid.1005.40000 0004 4902 0432National Drug and Alcohol Research Centre, University of New South Wales Sydney, Sydney, Australia
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Oster E, Čudina N, Pavasović H, Prevendar Crnić A, Božić F, Fadel C, Giorgi M. Intoxication of dogs and cats with common stimulating, hallucinogenic and dissociative recreational drugs. Vet Anim Sci 2023; 19:100288. [PMID: 36798946 PMCID: PMC9926018 DOI: 10.1016/j.vas.2023.100288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Pets can have accidental, intentional, or malicious exposure to illicit drugs. It is a growing concern over the last decade because there is an increase in usage of illicit drugs in humans and diagnosis is difficult. Owners are often not aware of exposure, or they are reluctant to admit possession of recreational drugs in the household due to potential legal consequences. In addition, illicit drugs sold on the black market are often adulterated with other substances resulting in non-specific clinical presentation and aggravation of symptoms. There are affordable onsite diagnostic tests on the market which could facilitate diagnosis of intoxication with illicit drugs, but they give a lot of false positive results due to low specificity of the tests. In this paper we gathered information about the most common recreational drugs such as amphetamines, methamphetamine, 3,4-methylenedioxy-methamphetamine (MDMA), phencyclidine (PCP), lysergic acid diethylamide (LSD), psilocybin mushrooms and cocaine in terms of toxicokinetic properties, mechanism of toxic action, clinical presentation and treatment in dogs and cats.
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Affiliation(s)
- Ena Oster
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Zagreb, Croatia
| | - Nikola Čudina
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Zagreb, Croatia
| | - Hrvoje Pavasović
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Zagreb, Croatia
| | - Andreja Prevendar Crnić
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Zagreb, Croatia
| | - Frane Božić
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Zagreb, Croatia
| | - Charbel Fadel
- Department of Veterinary Medicine, University of Sassari, Italy
| | - Mario Giorgi
- Department of Veterinary Sciences, University of Pisa, Italy,Corresponding author at: Department of Veterinary Sciences, University of Pisa, Pisa, Italy.
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Aburahma A, Stewart EL, Rana S, Larsen R, Ward CS, Sprague JE. Influence of fecal microbial transplant (FMT) between male and female rats on methamphetamine-induced hyperthermia. Int J Hyperthermia 2023; 40:2159072. [PMID: 36581324 DOI: 10.1080/02656736.2022.2159072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
OBJECTIVE To investigate the effect of bidirectional fecal microbial transplant (FMT) between male and female rats on methamphetamine (MA)-induced hyperthermia. METHODS FMT was performed between male and female rats prior to MA (10 mg/kg, sc) treatment. Core body temperature, plasma drug and norepinephrine (NE) levels were measured and compared between treatment groups. 16S rRNA gene sequencing of bacterial communities between male and female rats was performed. RESULTS MA treatment resulted in significantly higher core body temperatures in male groups (control and FMT-treated) compared to MA-treated female groups (control and FMT-treated). Plasma concentrations of MA and amphetamine were higher in females than males. Whereas, plasma norepinephrine (NE) levels were not different between male and female rats 90 minutes after MA treatment. At the phyla level, the microbiome of male and female control rats were dominated by Firmicutes and Bacteroidetes. Males had a higher relative abundance of Firmicutes and lower relative abundances of Bacteroidetes than females. The FMT procedure changed the recipient group towards their donor with males getting closer to their donors than females. In the control groups following MA treatment, Firmicutes increased and Bacteroides decreased in females and males. Conversely, in the FMT treatment groups following MA treatment, Firmicutes decreased while Bacteroidetes increased in females and males. CONCLUSIONS Although definite differences in the structure and diversity of the gut microbiome were observed using 16S rRNA gene sequencing of bacterial communities between male and female rats, these differences do not seem to contribute to the sex-based differences in MA-induced hyperthermia.
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Affiliation(s)
- Amal Aburahma
- The Ohio Attorney General's Center for the Future of Forensic Science, Bowling Green State University, Bowling Green, OH, USA
| | - Emma L Stewart
- The Ohio Attorney General's Center for the Future of Forensic Science, Bowling Green State University, Bowling Green, OH, USA
| | - Srishti Rana
- The Department of Biological Sciences, Bowling Green State University, Bowling Green, OH, USA
| | - Ray Larsen
- The Department of Biological Sciences, Bowling Green State University, Bowling Green, OH, USA
| | - Christopher S Ward
- The Department of Biological Sciences, Bowling Green State University, Bowling Green, OH, USA
| | - Jon E Sprague
- The Ohio Attorney General's Center for the Future of Forensic Science, Bowling Green State University, Bowling Green, OH, USA
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21
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Nazari-Serenjeh F, Azizbeigi R, Rashvand M, Mesgar S, Amirteymori H, Haghparast A. Distinct roles for orexin-1 and orexin-2 receptors in the dentate gyrus of the hippocampus in the methamphetamine-seeking behavior in the rats. Life Sci 2023; 312:121262. [PMID: 36470538 DOI: 10.1016/j.lfs.2022.121262] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 11/26/2022] [Accepted: 11/29/2022] [Indexed: 12/11/2022]
Abstract
Because of the relapsing properties of psychostimulants such as methamphetamine (Meth), there is no established pharmacotherapy for Meth addiction. The orexinergic system is a promising target for treating psychostimulant use disorders and relapse. However, to the best of our knowledge, no investigation regarding the role of orexin receptors in the dentate gyrus (DG) region of the hippocampus has been conducted in the extinction and reinstatement of Meth-seeking behavior. Two stainless-steel guide cannulae were bilaterally implanted into the DG of the rats' brains. The unbiased conditioned place preference (CPP) procedure was conducted to induce Meth conditioning. Following the five days Meth injections (1 mg/kg; sc), animals received intra-DG microinjection of SB334867 or TCS OX2 29, as orexin 1 (OX1) or orexin 2 (OX2) receptor antagonists, respectively (without Meth administration) during extinction phase to elucidate the role of orexin receptors in the latency of the extinction period in the Meth-conditioned rats. To evaluate the role of orexin receptors in the DG region in the reinstatement of Meth-seeking behavior, the extinguished rats received SB334867 or TCS OX2 29 before injecting a priming dose of Meth (0.25 mg/kg; sc). The results indicated two distinct roles for the OX1 and OX2 receptors in the DG region. TCS OX2 29 attenuated the extinction latency, and SB334867 considerably reduced the reinstatement of Meth-seeking behavior in this region. Therefore, the DG region's orexinergic system might be a potential therapeutic target for psychostimulant use disorders.
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Affiliation(s)
| | - Ronak Azizbeigi
- Department of Basic Sciences, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran
| | - Mina Rashvand
- Neurophysiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Somaye Mesgar
- Neurobiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Haleh Amirteymori
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abbas Haghparast
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; School of Cognitive Sciences, Institute for Research in Fundamental Sciences, Tehran, Iran.
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22
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Biochemical Neuroadaptations in the Rat Striatal Dopaminergic System after Prolonged Exposure to Methamphetamine Self-Administration. Int J Mol Sci 2022; 23:ijms231710092. [PMID: 36077488 PMCID: PMC9456063 DOI: 10.3390/ijms231710092] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 08/29/2022] [Accepted: 09/01/2022] [Indexed: 11/17/2022] Open
Abstract
Perturbations in striatal dopamine (DA) homeostasis might underlie the behavioral and pathobiological consequences of METH use disorder in humans. To identify potential consequences of long-term METH exposure, we modeled the adverse consequence DSM criterion of substance use disorders by giving footshocks to rats that had escalated their intake of METH during a drug self-administration procedure. Next, DA D1 receptor antagonist, SCH23390 was injected. Thereafter, rats were euthanized to measure several indices of the striatal dopaminergic system. Footshocks split the METH rats into two phenotypes: (i) shock-sensitive that decreased their METH-intake and (ii) shock-resistant that continued their METH intake. SCH23390 caused substantial dose-dependent reduction of METH taking in both groups. Stopping SCH23390 caused re-emergence of compulsive METH taking in shock-resistant rats. Compulsive METH takers also exhibited greater incubation of METH seeking than non-compulsive rats during withdrawal from METH SA. Analyses of DA metabolism revealed non-significant decreases (about 35%) in DA levels in resistant and sensitive rats. However, striatal contents of the deaminated metabolites, DOPAL and DOPAC, were significantly increased in sensitive rats. VMAT2 and DAT protein levels were decreased in both phenotypes. Moreover, protein expression levels of the D1-like DA receptor, D5R, and D2-like DA receptors, D3R and D4R, were significantly decreased in the compulsive METH takers. Our results parallel findings in post-mortem striatal tissues of human METH users who develop Parkinsonism after long-term METH intake and support the use of this model to investigate potential therapeutic interventions for METH use disorder.
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23
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Kusui Y, Izuo N, Uno K, Ge B, Muramatsu SI, Nitta A. Knockdown of Piccolo in the Nucleus Accumbens Suppresses Methamphetamine-Induced Hyperlocomotion and Conditioned Place Preference in Mice. Neurochem Res 2022; 47:2856-2864. [PMID: 35906352 DOI: 10.1007/s11064-022-03680-3] [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: 03/12/2022] [Revised: 06/30/2022] [Accepted: 07/06/2022] [Indexed: 11/30/2022]
Abstract
Methamphetamine (METH), the most widely distributed psychostimulant, aberrantly activates the reward system in the brain to induce addictive behaviors. The presynaptic protein "Piccolo", encoded by Pclo, was identified as a METH-responsive protein with enhanced expression in the nucleus accumbens (NAc) in mice. Although the physiological and pathological significance of Piccolo has been identified in dopaminergic signaling, its role in METH-induced behavioral abnormalities and the underlying mechanisms remain unclear. To clarify such functions, mice with Piccolo knockdown in the NAc (NAc-miPiccolo mice) by local injection of an adeno-associated virus vector carrying miRNA targeting Pclo were generated and investigated. NAc-miPiccolo mice exhibited suppressed hyperlocomotion, sensitization, and conditioned place preference behavior induced by systemic administration of METH. The excessive release of dopamine in the NAc was reduced in NAc-miPiccolo mice at baseline and in response to METH. These results suggest that Piccolo in the NAc is involved in METH-induced behavioral alterations and is a candidate therapeutic target for the treatment of drug addiction.
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Affiliation(s)
- Yuka Kusui
- Department of Pharmaceutical Therapy and Neuropharmacology, Faculty of Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| | - Naotaka Izuo
- Department of Pharmaceutical Therapy and Neuropharmacology, Faculty of Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| | - Kyosuke Uno
- Department of Pharmaceutical Therapy and Neuropharmacology, Faculty of Pharmaceutical Sciences, University of Toyama, Toyama, Japan
- Laboratory of Molecular Pharmacology, Faculty of Pharmaceutical Sciences, Setsunan University, Hirakata, Japan
| | - Bin Ge
- Department of Pharmaceutical Therapy and Neuropharmacology, Faculty of Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| | - Shin-Ichi Muramatsu
- Division of Neurological Gene Therapy, Center for Open Innovation, Jichi Medical University, Shimotsuke, Japan
- Center for Gene & Cell Therapy, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Atsumi Nitta
- Department of Pharmaceutical Therapy and Neuropharmacology, Faculty of Pharmaceutical Sciences, University of Toyama, Toyama, Japan.
- Department of Pharmaceutical Therapy and Neuropharmacology, School of Pharmaceutical Sciences, Graduate School of Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan.
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24
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Mansoory MS, Allahverdy A, Behboudi M, Khodamoradi M. Local efficiency analysis of restingstate functional brain network in methamphetamine users. Behav Brain Res 2022; 434:114022. [PMID: 35870617 DOI: 10.1016/j.bbr.2022.114022] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 07/11/2022] [Accepted: 07/19/2022] [Indexed: 11/12/2022]
Abstract
This study set out to assess restingstate functional connectivity (rs-FN) and graph theorybased local efficiency within the left and right hemispheres of methamphetamine (MA) abusers. Functional brain networks of 19 MA abusers and 21 control participants were analyzed using restingstate fMRI. Graph edges in functional networks of the brain were defined and recurrence plot was used. We found that MA abuse may be accompanied by alterations of rs-FN within the defaultmode network (DMN), executive control network (ECN), and the salience network (SN) in both hemispheres of the brain. We also observed that such effects of MA may be correlated with duration of MA abuse and abstinence in many components of the DMN and SN. The results would seem to suggest that MAinduced alterations of local efficiency may, in part, account for maladaptive decision making, deficits in executive function and control over drug seeking/taking, and relapse.
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Affiliation(s)
- Meysam Siyah Mansoory
- Department of Biomedical Engineering, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Armin Allahverdy
- Department of Radiology, School of Allied Medical Sciences, Mazandaran University of Medical Sciences, Sari, Iran
| | - Maryam Behboudi
- Department of Statistics, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Mehdi Khodamoradi
- Substance Abuse Prevention Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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25
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Zhang KK, Liu JL, Chen LJ, Li JH, Yang JZ, Xu LL, Chen YK, Zhang QY, Li XW, Liu Y, Zhao D, Xie XL, Wang Q. Gut microbiota mediates methamphetamine-induced hepatic inflammation via the impairment of bile acid homeostasis. Food Chem Toxicol 2022; 166:113208. [PMID: 35688268 DOI: 10.1016/j.fct.2022.113208] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 05/12/2022] [Accepted: 06/03/2022] [Indexed: 12/12/2022]
Abstract
Methamphetamine (Meth), an addictive psychostimulant of abuse worldwide, has been a common cause of acute toxic hepatitis in adults. Gut microbiota has emerged as a modulator of host immunity via metabolic pathways. However, the microbial mechanism of Meth-induced hepatic inflammation and effective therapeutic strategies remain unknown. Here, mice were intraperitoneally (i.p.) injected with Meth to induce hepatotoxicity. Cecal microbiome and bile acids (BAs) composition were analyzed after Meth administration. Fecal microbiota transplantation (FMT) technology was utilized to investigate the role of microbiota. Additionally, the protective effects of obeticholic acid (OCA), an agonist of farnesoid X receptor (FXR), were evaluated. Results indicated that Meth administration induced hepatic cholestasis, dysfunction and aroused hepatic inflammation by stimulating the TLR4/MyD88/NF-κB pathway in mice. Meanwhile, Meth disturbed the cecal microbiome and impaired the homeostasis of BAs. Interestingly, FMT from Meth administered mice resulted in serum and hepatic BA accumulation and transferred similar phenotypic changes into the healthy recipient mice. Finally, OCA normalized Meth-induced BA accumulation in both serum and the liver, and effectively protected against Meth-induced hepatic dysfunction and inflammation by suppressing the TLR4/MyD88/NF-κB pathway. This study established the importance of microbial mechanism and its inhibition as a potential therapeutic target to treat Meth-related hepatotoxicity.
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Affiliation(s)
- Kai-Kai Zhang
- School of Forensic Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Jia-Li Liu
- School of Forensic Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Li-Jian Chen
- School of Forensic Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Jia-Hao Li
- School of Forensic Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Jian-Zheng Yang
- School of Forensic Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Ling-Ling Xu
- Department of Toxicology, School of Public Health, Southern Medical University (Guangdong Provincial Key Laboratory of Tropical Disease Research), Guangzhou, Guangdong, 510515, China
| | - Yu-Kui Chen
- Department of Toxicology, School of Public Health, Southern Medical University (Guangdong Provincial Key Laboratory of Tropical Disease Research), Guangzhou, Guangdong, 510515, China
| | - Qin-Yao Zhang
- Department of Toxicology, School of Public Health, Southern Medical University (Guangdong Provincial Key Laboratory of Tropical Disease Research), Guangzhou, Guangdong, 510515, China
| | - Xiu-Wen Li
- School of Forensic Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Yi Liu
- School of Forensic Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Dong Zhao
- Key Laboratory of Evidence Science (China University of Political Science and Law), Ministry of Education, Beijing, China
| | - Xiao-Li Xie
- Department of Toxicology, School of Public Health, Southern Medical University (Guangdong Provincial Key Laboratory of Tropical Disease Research), Guangzhou, Guangdong, 510515, China.
| | - Qi Wang
- Department of Forensic Pathology, School of Forensic Medicine, Southern Medical University (Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification), Guangzhou, Guangdong, 510515, China.
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26
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Li Y, Kong D, Bi K, Luo H. Related Effects of Methamphetamine on the Intestinal Barrier via Cytokines, and Potential Mechanisms by Which Methamphetamine May Occur on the Brain-Gut Axis. Front Med (Lausanne) 2022; 9:783121. [PMID: 35620725 PMCID: PMC9128015 DOI: 10.3389/fmed.2022.783121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Accepted: 03/23/2022] [Indexed: 11/28/2022] Open
Abstract
Methamphetamine (METH) is an illegal drug widely abused in many countries. Methamphetamine abuse is a major health and social problem all over the world. However, the effects of METH on the digestive system have rarely been reported. Previous studies and clinical cases have shown that METH use can lead to the impaired intestinal barrier function and severe digestive diseases. METH can cause multiple organ dysfunction, especially in the central nervous system (CNS). The gut microbiota are involved in the development of various CNS-related diseases via the gut-brain axis (GBA). Here, we describe the related effects of METH on the intestinal barrier via cytokines and the underlying mechanisms by which METH may occur in the brain-gut axis.
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Affiliation(s)
- Yuansen Li
- Department of Intestine and Hernia Surgery, The First Affiliated Hospital of Kunming Medical University, Kunming, China.,NHC Key Laboratory of Drug Addiction Medicine, Kunming Medical University, Kunming, China
| | - Deshenyue Kong
- Department of Intestine and Hernia Surgery, The First Affiliated Hospital of Kunming Medical University, Kunming, China.,NHC Key Laboratory of Drug Addiction Medicine, Kunming Medical University, Kunming, China
| | - Ke Bi
- Department of Intestine and Hernia Surgery, The First Affiliated Hospital of Kunming Medical University, Kunming, China.,NHC Key Laboratory of Drug Addiction Medicine, Kunming Medical University, Kunming, China
| | - Huayou Luo
- Department of Intestine and Hernia Surgery, The First Affiliated Hospital of Kunming Medical University, Kunming, China.,NHC Key Laboratory of Drug Addiction Medicine, Kunming Medical University, Kunming, China.,Yunnan Institute of Digestive Disease, The First Affiliated Hospital of Kunming Medical University, Kunming, China
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27
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Khodamoradi M, Tirgar F, Ghazvini H, Rafaiee R, Tamijani SMS, Karimi N, Yadegari A, Khachaki AS, Akhtari J. Role of the cannabinoid CB1 receptor in methamphetamine-induced social and recognition memory impairment. Neurosci Lett 2022; 779:136634. [DOI: 10.1016/j.neulet.2022.136634] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 04/10/2022] [Accepted: 04/11/2022] [Indexed: 02/06/2023]
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28
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Zhang KK, Chen LJ, Li JH, Liu JL, Wang LB, Xu LL, Yang JZ, Li XW, Xie XL, Wang Q. Methamphetamine Disturbs Gut Homeostasis and Reshapes Serum Metabolome, Inducing Neurotoxicity and Abnormal Behaviors in Mice. Front Microbiol 2022; 13:755189. [PMID: 35509309 PMCID: PMC9058162 DOI: 10.3389/fmicb.2022.755189] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Accepted: 03/25/2022] [Indexed: 01/01/2023] Open
Abstract
As an illicit psychostimulant, repeated methamphetamine (MA) exposure results in addiction and causes severe neurotoxicity. Studies have revealed complex interactions among gut homeostasis, metabolism, and the central nervous system (CNS). To investigate the disturbance of gut homeostasis and metabolism in MA-induced neurotoxicity, 2 mg/kg MA or equal volume saline was intraperitoneally (i.p.) injected into C57BL/6 mice. Behavioral tests and western blotting were used to evaluate neurotoxicity. To determine alterations of colonic dysbiosis, 16s rRNA gene sequencing was performed to analyze the status of gut microbiota, while RNA-sequencing (RNA-seq) and Western Blot analysis were performed to detect colonic damage. Serum metabolome was profiled by LC–MS analysis. We found that MA induced locomotor sensitization, depression-, and anxiety-like behaviors in mice, along with dysfunction of the dopaminergic system and stimulation of autophagy as well as apoptosis in the striatum. Notably, MA significantly decreased microbial diversity and altered the component of microbiota. Moreover, findings from RNA-seq implied stimulation of the inflammation-related pathway after MA treatment. Western blotting confirmed that MA mediated colonic inflammation by activating the TLR4-MyD88-NF-κB pathway and impaired colonic barrier. In addition, serum metabolome was reshaped after MA treatment. Specifically, bacteroides-derived sphingolipids and serotonin were obviously altered, which were closely correlated with locomotor sensitization, depression-, and anxiety-like behaviors. These findings suggest that MA disrupts gut homeostasis by altering its microbiome and arousing inflammation, and reshapes serum metabolome, which provide new insights into understanding the interactions between gut homeostasis and MA-induced neurotoxicity.
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Affiliation(s)
- Kai-Kai Zhang
- Department of Forensic Pathology, School of Forensic Medicine, Southern Medical University, Guangzhou, China
| | - Li-Jian Chen
- Department of Forensic Pathology, School of Forensic Medicine, Southern Medical University, Guangzhou, China
| | - Jia-Hao Li
- Department of Forensic Pathology, School of Forensic Medicine, Southern Medical University, Guangzhou, China
| | - Jia-Li Liu
- Department of Forensic Pathology, School of Forensic Medicine, Southern Medical University, Guangzhou, China
| | - Li-Bin Wang
- Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou, China
| | - Ling-Ling Xu
- Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou, China
| | - Jian-Zheng Yang
- Department of Forensic Pathology, School of Forensic Medicine, Southern Medical University, Guangzhou, China
| | - Xiu-Wen Li
- Department of Forensic Pathology, School of Forensic Medicine, Southern Medical University, Guangzhou, China
| | - Xiao-Li Xie
- Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou, China
- *Correspondence: Xiao-Li Xie,
| | - Qi Wang
- Department of Forensic Pathology, School of Forensic Medicine, Southern Medical University, Guangzhou, China
- Qi Wang, ;
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29
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Yeh K, Li L, Wania F, Abbatt JPD. Thirdhand smoke from tobacco, e-cigarettes, cannabis, methamphetamine and cocaine: Partitioning, reactive fate, and human exposure in indoor environments. ENVIRONMENT INTERNATIONAL 2022; 160:107063. [PMID: 34954646 DOI: 10.1016/j.envint.2021.107063] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 12/19/2021] [Accepted: 12/21/2021] [Indexed: 06/14/2023]
Abstract
A source of chemical exposure to humans, thirdhand smoke (THS) refers to the contamination that persists indoors following the cessation of a smoking event. The composition of thirdhand smoke depends on the type of substance from which it originates. Although past studies have investigated the effects of tobacco THS on indoor air quality and human health, few have focused on the chemical composition and health impacts of other sources and components of THS. Here we review the state of knowledge of the composition and partitioning behavior of various types of indoor THS, with a focus on THS from tobacco, e-cigarettes, cannabis, and illicit substances (methamphetamine and cocaine). The discussion is supplemented by estimates of human exposure to THS components made with a chemical fate and exposure model. The modeling results show that while very volatile THS compounds (i.e., aromatics) are likely to be taken up by inhalation, highly water-soluble compounds tended to be dermally absorbed. Conversely, minimally volatile THS compounds with low solubility are predicted to be ingested through hand-to-mouth and object-to-mouth contact.
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Affiliation(s)
- Kristen Yeh
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada.
| | - Li Li
- School of Public Health, University of Nevada Reno, Reno, NV 89557, United States
| | - Frank Wania
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, Ontario M1C 1A4, Canada
| | - Jonathan P D Abbatt
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
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30
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Davis S, Zhu J. Substance abuse and neurotransmission. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2022; 93:403-441. [PMID: 35341573 PMCID: PMC9759822 DOI: 10.1016/bs.apha.2021.10.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The number of people who suffer from a substance abuse disorder has continued to rise over the last decade; particularly, the number of drug-related overdose deaths has sharply increased during the COVID-19 pandemic. Converging lines of clinical observations, supported by imaging and neuropsychological performance testing, have demonstrated that substance abuse-induced dysregulation of neurotransmissions in the brain is critical for development and expression of the addictive properties of abused substances. Recent scientific advances have allowed for better understanding of the neurobiological processes that mediates drugs of abuse and addiction. This chapter presents the past classic concepts and the recent advances in our knowledge about how cocaine, amphetamines, opioids, alcohol, and nicotine alter multiple neurotransmitter systems, which contribute to the behaviors associated with each drug. Additionally, we discuss the interactive effects of HIV-1 or COVID-19 and substance abuse on neurotransmission and neurobiological pathways. Finally, we introduce therapeutic strategies for development of pharmacotherapies for substance abuse disorders.
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Affiliation(s)
- Sarah Davis
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, Columbia, SC, United States
| | - Jun Zhu
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, Columbia, SC, United States.
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31
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Litim A, Belhocine Y, Benlecheb T, Ghoniem MG, Kabouche Z, Ali FAM, Abdulkhair BY, Seydou M, Rahali S. DFT-D4 Insight into the Inclusion of Amphetamine and Methamphetamine in Cucurbit[7]uril: Energetic, Structural and Biosensing Properties. Molecules 2021; 26:7479. [PMID: 34946564 PMCID: PMC8705717 DOI: 10.3390/molecules26247479] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 12/04/2021] [Accepted: 12/08/2021] [Indexed: 11/17/2022] Open
Abstract
The host-guest interactions of cucurbit[7]uril (CB[7]) as host and amphetamine (AMP), methamphetamine (MET) and their enantiomeric forms (S-form and R-form) as guests were computationally investigated using density functional theory calculations with the recent D4 atomic-charge dependent dispersion corrections. The analysis of energetic, structural and electronic properties with the aid of frontier molecular orbital analysis, charge decomposition analysis (CDA), extended charge decomposition analysis (ECDA) and independent gradient model (IGM) approach allowed to characterize the host-guest interactions in the studied systems. Energetic results indicate the formation of stable non-covalent complexes where R-AMP@CB[7] and S-AMP@CB[7] are more stable thermodynamically than R-MET@CB[7] and S-MET@CB[7] in gas phase while the reverse is true in water solvent. Based on structural analysis, a recognition mechanism is proposed, which suggests that the synergistic effect of van der Waals forces, ion-dipole interactions, intermolecular charge transfer interactions and intermolecular hydrogen bonding is responsible for the stabilization of the complexes. The geometries of the complexes obtained theoretically are in good agreement with the X-ray experimental structures and indicate that the phenyl ring of amphetamine and methamphetamine is deeply buried into the cavity of CB[7] through hydrophobic interactions while the ammonium group remains outside the cavity to establish hydrogen bonds with the portal oxygen atoms of CB[7].
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Affiliation(s)
- Abdelkarim Litim
- Laboratory of Sensors, Instrumentations and Process (LCIP), University of Abbes Laghrour, Khenchela 40000, Algeria; (A.L.); (Z.K.)
| | - Youghourta Belhocine
- Department of Petrochemical and Process Engineering, Faculty of Technology, 20 August 1955 University of Skikda, El Hadaik Road, Skikda 21000, Algeria;
| | - Tahar Benlecheb
- Laboratory of Sensors, Instrumentations and Process (LCIP), University of Abbes Laghrour, Khenchela 40000, Algeria; (A.L.); (Z.K.)
| | - Monira Galal Ghoniem
- Department of Chemistry, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11432, Saudi Arabia;
| | - Zoubir Kabouche
- Laboratory of Sensors, Instrumentations and Process (LCIP), University of Abbes Laghrour, Khenchela 40000, Algeria; (A.L.); (Z.K.)
| | - Fatima Adam Mohamed Ali
- Department of Chemistry, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11432, Saudi Arabia;
| | - Babiker Yagoub Abdulkhair
- Chemistry Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11432, Saudi Arabia;
- Chemistry Department, Sudan University of Science and Technology (SUST), Khartoum 13311, Sudan
| | | | - Seyfeddine Rahali
- Department of Chemistry, College of Science and Arts, Qassim University, Ar Rass, Saudi Arabia
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Jeong H, Yoon S, Sung YH, Kim J, Lyoo IK, Yurgelun-Todd DA, Renshaw PF. Effects of cytidine-5'-diphosphate choline on gray matter volumes in methamphetamine-dependent patients: A randomized, double-blind, placebo-controlled study. J Psychiatr Res 2021; 143:215-221. [PMID: 34507102 PMCID: PMC8557135 DOI: 10.1016/j.jpsychires.2021.09.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 07/07/2021] [Accepted: 09/01/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND Cytidine-5'-diphosphate choline (CDP-choline) has been suggested to exert neuroprotective and neuroreparative effects and may be beneficial for patients with stimulant dependence. This randomized, double-blind, placebo-controlled study in methamphetamine (MA) dependence investigated effects of CDP-choline on the brain structures and their associations with craving and MA use. METHODS MA users (n = 44) were randomized to receive 2 g/day of CDP-choline (n = 22) or placebo (n = 22) for 8 weeks. Patients underwent brain magnetic resonance imaging (MRI) at baseline and 8-week follow-up. Healthy individuals (n = 27) were also examined using brain MRI at the same interval. Voxel-based morphometry analysis was conducted to examine changes in gray matter (GM) volumes and their associations with craving and MA use. RESULTS Craving for MA was significantly reduced after the 8 week-treatment with CDP-choline (p = 0.01), but not with the placebo treatment (p = 0.10). There was no significant difference in the total number of MA-negative urine samples between the two groups (p = 0.19). With CDP-choline treatment, GM volumes in the left middle frontal gyrus (p = 0.001), right hippocampus (p = 0.009), and left precuneus (p = 0.001) were significantly increased compared to the placebo and control groups. Increased GM volumes in the left middle frontal gyrus with CDP-choline treatment were associated with reduced craving for MA (Spearman's ρ = -0.56, p = 0.03). In addition, the right hippocampal volume increases were positively associated with the total number of MA-negative urine results in the CDP-choline group (Spearman's ρ = 0.67, p = 0.006). CONCLUSION Our findings suggest that CDP-choline may increase GM volumes of MA-dependent patients, which may be related to decreases in MA use and craving.
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Affiliation(s)
- Hyeonseok Jeong
- Department of Radiology, Incheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea; Department of Nuclear Medicine, Incheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea.
| | - Sujung Yoon
- Ewha Brain Institute and Department of Brain and Cognitive Sciences, Ewha Womans University, Seoul, South Korea
| | - Young-Hoon Sung
- The Brain Institute and Department of Psychiatry, University of Utah, Salt Lake City, UT, USA
| | - Jungyoon Kim
- Ewha Brain Institute and Department of Brain and Cognitive Sciences, Ewha Womans University, Seoul, South Korea
| | - In Kyoon Lyoo
- Ewha Brain Institute and Department of Brain and Cognitive Sciences, Ewha Womans University, Seoul, South Korea,The Brain Institute and Department of Psychiatry, University of Utah, Salt Lake City, UT, USA,College of Pharmacy, Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, South Korea
| | | | - Perry F. Renshaw
- The Brain Institute and Department of Psychiatry, University of Utah, Salt Lake City, UT, USA
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Harnett JT, Dargan PI, Dines AM, Archer JRH, Greene SL, Hunter LJ, Wood DM. Increasing emergency department attendances in central London with methamphetamine toxicity and associated harms. Emerg Med J 2021; 39:463-466. [PMID: 34649939 DOI: 10.1136/emermed-2020-209550] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 09/22/2021] [Indexed: 11/03/2022]
Abstract
BACKGROUND Methamphetamine is a stimulant drug of abuse with increasing prevalence of use worldwide leading to public health concern. While previous research by our group a decade ago found no evidence of increasing harms associated with methamphetamine use in the UK, there are conflicting data on whether or not this is still the case. This paper aims to identify trends in methamphetamine-related harms and characterise the clinical features of ED presentations involving methamphetamine with gamma-hydroxybutyrate/gamma-butyrolactone (GHB/GBL). METHODS We retrospectively interrogated a database of all toxicology-related presentations to two central London EDs, extracting data on drugs involved for presentations relating to methamphetamine between 2005 and 2018 to enable analysis of trends. Further clinical data were extracted for presentations between 2014 and 2018 to give a 4-year case series. RESULTS A total of 1244 presentations involving the use of methamphetamine were identified. The number of presentations rose from 4 in 2005 (1.9% of all recreational drug presentations) to 294 (16.2%) in 2018. A total of 850 cases were identified for the 2014-2018 case series, 94.9% were male with a median (range) age of 35.1 (16-67) years. The most common clinical features in the methamphetamine presentations were neuropsychiatric: agitation (41.5%), anxiety (35.2%), hallucinations (16.5%) and psychosis (14.8%). GHB/GBL was co-used in 54.2% of presentations and appeared to attenuate the neuropsychiatric features seen. Use of GHB/GBL was associated with a higher Poisoning Severity Score and requirement for level 2/3 (high dependency unit/intensive care unit (ICU)) care. CONCLUSION ED attendances in central London relating to methamphetamine use have risen over the last decade. Combining methamphetamine with GHB/GBL is common and is associated with a higher Poisoning Severity Score and need for ICU level care. Further work is required to establish whether further resources need to be directed at this clinical and public health problem.
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Affiliation(s)
- James T Harnett
- Emergency Department, University College London Hospitals NHS Foundation Trust, London, UK
| | - Paul I Dargan
- Clinical Toxicology, Guy's and St Thomas' NHS Foundation Trust, London, UK.,'Faculty of Life Sciences and Medicine, King's College, London, UK
| | - Alison M Dines
- Clinical Toxicology, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - John R H Archer
- Clinical Toxicology, Guy's and St Thomas' NHS Foundation Trust, London, UK.,'Faculty of Life Sciences and Medicine, King's College, London, UK
| | - Shaun L Greene
- Victorian Poisons Information Centre, Austin Hospital, Melbourne, Victoria, Australia
| | - Laura J Hunter
- Emergency Department, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - David M Wood
- Clinical Toxicology, Guy's and St Thomas' NHS Foundation Trust, London, UK.,'Faculty of Life Sciences and Medicine, King's College, London, UK
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Jayanthi S, Daiwile AP, Cadet JL. Neurotoxicity of methamphetamine: Main effects and mechanisms. Exp Neurol 2021; 344:113795. [PMID: 34186102 PMCID: PMC8338805 DOI: 10.1016/j.expneurol.2021.113795] [Citation(s) in RCA: 81] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 06/03/2021] [Accepted: 06/24/2021] [Indexed: 12/12/2022]
Abstract
Methamphetamine (METH) is an illicit psychostimulant that is abused throughout the world. METH addiction is also a major public health concern and the abuse of large doses of the drug is often associated with serious neuropsychiatric consequences that may include agitation, anxiety, hallucinations, paranoia, and psychosis. Some human methamphetamine users can also suffer from attention, memory, and executive deficits. METH-associated neurological and psychiatric complications might be related, in part, to METH-induced neurotoxic effects. Those include altered dopaminergic and serotonergic functions, neuronal apoptosis, astrocytosis, and microgliosis. Here we have endeavored to discuss some of the main effects of the drug and have presented the evidence supporting certain of the molecular and cellular bases of METH neurotoxicity. The accumulated evidence suggests the involvement of transcription factors, activation of dealth pathways that emanate from mitochondria and endoplasmic reticulum (ER), and a role for neuroinflammatory mechanisms. Understanding the molecular processes involved in METH induced neurotoxicity should help in developing better therapeutic approaches that might also serve to attenuate or block the biological consequences of use of large doses of the drug by some humans who meet criteria for METH use disorder.
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Affiliation(s)
- Subramaniam Jayanthi
- Molecular Neuropsychiatry Research Branch, NIDA Intramural Research Program, Baltimore, MD 21224, United States of America
| | - Atul P Daiwile
- Molecular Neuropsychiatry Research Branch, NIDA Intramural Research Program, Baltimore, MD 21224, United States of America
| | - Jean Lud Cadet
- Molecular Neuropsychiatry Research Branch, NIDA Intramural Research Program, Baltimore, MD 21224, United States of America.
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Mahjoob M, Heydarian S. Changes in corneal and anterior chamber indices due to methamphetamine abuse. Clin Exp Optom 2021; 105:721-725. [PMID: 34592112 DOI: 10.1080/08164622.2021.1983401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
CLINICAL RELEVANCE Considering the significant relationship between methamphetamine abuse and some anterior segment indices, methamphetamine abuse should be considered in differential diagnosis especially in the case of angle closure glaucoma. BACKGROUND To investigate the effect of inhaled methamphetamine (meth) and crystal methamphetamine (crystal meth) on the quantitative indices of the cornea and anterior chamber using pentacam and anterior segment optical coherence tomography. METHODS In this cross-sectional study, the participants were (crystal) meth addicts living in Zahedan. The participants were transported to the examination site to undergo imaging and optometric tests. Pentacam and anterior segment optical coherence tomography imaging were then conducted so as to evaluate corneal and anterior chamber quantitative indices. RESULTS A total of 42 (crystal) meth addicts and 42 healthy subjects with matching age and gender were examined. Out of 42 subjects in the case group, 6 were female and 36 were male (mean age: 35.7 ± 8.6 years). The mean dose of drug used was 0.0074 ± 0.0034 g, and the mean duration of drug use was 6.9 ± 2.6 years (5-12 years). Based on the images of both devices, corneal curvature was significantly steeper in both meridians of anterior and posterior surfaces compared to the control group (p = 0.01). Among the anterior chamber parameters, the anterior chamber depth and volume were lower in the cases than the controls (p < 0.01). However, the lens rise was higher in addicts than controls (p = 0.01). CONCLUSION Quantitative changes in corneal and anterior segment indices including dilated pupils, shallower anterior chamber depth and higher lens rise in addicted cases compared to the control group may precipitate the risk of closed-angle in these individuals.
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Affiliation(s)
- Monireh Mahjoob
- Health Promotion Research Center, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Samira Heydarian
- Department of Rehabilitation Sciences, School of Allied Medical Sciences, Mazandaran University of Medical Sciences, Sari, Iran
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Overview of Current Practices in the Methamphetamine Testing and Decontamination Industry: An Australian Case Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18178917. [PMID: 34501507 PMCID: PMC8430578 DOI: 10.3390/ijerph18178917] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 08/12/2021] [Accepted: 08/18/2021] [Indexed: 11/17/2022]
Abstract
To better protect public health from third-hand exposure to methamphetamine, it is important to understand the techniques and current practices used within the methamphetamine testing and decontamination industry in Australia. A survey was conducted focusing on business owners that advertised testing and/or remediation services online. They were also invited to participate in a follow-up phone interview upon completion. The survey demonstrated that testing and decontamination methods were highly varied, which was expected for an industry with no regulation. Most companies offered methamphetamine testing and remediation which could be a conflict of interest. Participants also shared personal experiences, including the conduct of other industry members, demonstrating both poor practice and/or the competitive nature of the business. Participating business owners were following Australian guidelines to the best of their ability, and many are advocates for regulation to be implemented within the industry. This would address the inconsistencies between companies and establish trust for industry members and the public. It would also provide significant public health protection, which is currently lacking. A more consistent approach to the testing and remediation of methamphetamine contamination, aided by regulation, would address the significant risk to public health caused by third-hand exposure to methamphetamine.
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Jennings JM, Wagner J, Tilchin C, Schumacher CM, Thornton N, Hamill MM, Rompalo A, Ruhs S, Rives S, Ghanem KG, Latkin C. Methamphetamine Use, Syphilis, and Specific Online Sex Partner Meeting Venues Are Associated With HIV Status Among Urban Black Gay and Bisexual Men Who Have Sex Men. Sex Transm Dis 2021; 48:S32-S39. [PMID: 33967238 PMCID: PMC8284367 DOI: 10.1097/olq.0000000000001452] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 02/26/2021] [Indexed: 11/25/2022]
Abstract
BACKGROUND In the context of increasing syphilis rates, particularly among Black men who have sex men (MSM), the objectives were to determine the associations between methamphetamine (meth) use and syphilis and HIV positivity, and to identify sex partner meeting venues as potential intervention access points among Black MSM in a mid-Atlantic US city. METHODS This study is an ongoing longitudinal cohort study. Participants were recruited from clinical and nonclinical settings and included sexually active MSM aged 18 to 45 years. The baseline visit included a behavioral survey and testing for syphilis, HIV, gonorrhea, and chlamydia. Logistic regression analyses were used for hypothesis testing. RESULTS Among 359 MSM completing baseline, 74.4% (268) Black MSM were included; 31% (84) were aged 24 to 29 years, 43.7% (117) reported unprotected anal intercourse at last sex, and 15.3% (41) reported meth use in the past 3 months. Sixteen percent (43) had syphilis, 46.6% (125) were living with HIV, and 19.0% (51) had gonorrhea and/or chlamydia. Meth use was associated with sexual and drug risk behaviors and HIV, but not syphilis. In adjusted analyses, meth use increased the odds of HIV positivity by 6.43 (95% confidence interval, 2.30-17.98) and syphilis positivity by 2.57 (95% confidence interval, 1.23-5.37). Four online sex partner meeting venues were associated with meth use and HIV, whereas syphilis was associated with one. CONCLUSIONS Among Black MSM, meth use and syphilis positivity were associated with more than 6-fold and almost 3-fold increased adjusted odds of HIV positivity, respectively. Four specific sex partner meeting venues may be important access points for HIV/sexually transmitted infection and substance use prevention.
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Affiliation(s)
- Jacky M. Jennings
- From the Center for Child and Community Health Research (CCHR), Department of Pediatrics, Johns Hopkins School of Medicine
- Department of Health, Behavior and Society, Johns Hopkins Bloomberg School of Public Health
| | - Jessica Wagner
- From the Center for Child and Community Health Research (CCHR), Department of Pediatrics, Johns Hopkins School of Medicine
| | - Carla Tilchin
- From the Center for Child and Community Health Research (CCHR), Department of Pediatrics, Johns Hopkins School of Medicine
| | - Christina M. Schumacher
- From the Center for Child and Community Health Research (CCHR), Department of Pediatrics, Johns Hopkins School of Medicine
| | - Nicole Thornton
- From the Center for Child and Community Health Research (CCHR), Department of Pediatrics, Johns Hopkins School of Medicine
| | | | - Anne Rompalo
- Department of Infectious Disease, Johns Hopkins School of Medicine
| | | | - Sarah Rives
- Department of Infectious Disease, Johns Hopkins School of Medicine
- STI/HIV Program, Baltimore City Health Department, Baltimore, MD
| | - Khalil G. Ghanem
- Department of Infectious Disease, Johns Hopkins School of Medicine
| | - Carl Latkin
- Department of Health, Behavior and Society, Johns Hopkins Bloomberg School of Public Health
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Yoon JH, Suchting R, Cassidy RN, Bolin PK, Omar Y, Brown GS, De La Garza R. Assessment of demand for methamphetamine and cigarettes among individuals with methamphetamine use disorder. Exp Clin Psychopharmacol 2021; 29:334-344. [PMID: 32202813 PMCID: PMC7508771 DOI: 10.1037/pha0000367] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Methamphetamine (MA) is a highly addictive stimulant with recent upward trends in prevalence and associated public health problems. Drug demand, as assessed by hypothetical purchasing tasks, has been useful in addictions research and may help our understanding of the factors influencing MA use. However, no studies have assessed MA demand using current models of demand. The purpose of the current study was to assess demand for MA using a hypothetical drug purchasing task. Given high rates of cigarette smoking among MA users, it was of interest also to assess and compare demand for MA relative to cigarettes. Participants consisted of non-treatment-seeking volunteers with MA use disorder (N = 18), of whom 17 reported daily smoking. Results showed the exponentiated demand model provided a good fit to consumption data. Results from Bayesian generalized linear modeling demonstrated multiple positive relationships (posterior probability ≥75%) between self-reported drug use (days MA used in the past 30 days, cigarettes smoked per day) and indices of demand for each drug (Qo, Omax, Pmax, and break point). Comparing MA to cigarettes, results from Bayesian generalized linear mixed modeling revealed greater abuse liability for MA compared to cigarettes (posterior probability ≥99%) based on α and essential value. Overall, the findings of the current study support the feasibility and validity of the exponentiated demand model for assessing demand for drugs among individuals with MA use disorder. (PsycInfo Database Record (c) 2021 APA, all rights reserved).
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Zhao X, Lu J, Chen X, Gao Z, Zhang C, Chen C, Qiao D, Wang H. Methamphetamine exposure induces neuronal programmed necrosis by activating the receptor-interacting protein kinase 3 -related signalling pathway. FASEB J 2021; 35:e21561. [PMID: 33864423 DOI: 10.1096/fj.202100188r] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/10/2021] [Accepted: 03/15/2021] [Indexed: 12/11/2022]
Abstract
Methamphetamine (METH) is a synthetic drug with severe neurotoxicity, however, the regulation of METH-induced neuronal programmed necrosis remains poorly understood. The aim of this study was to identify the molecular mechanisms of METH-induced neuronal programmed necrosis. We found that neuronal programmed necrosis occurred in the striatum of brain samples from human and mice that were exposed to METH. The receptor-interacting protein kinase 3 (RIP3) was highly expressed in the neurons of human and mice exposed to METH, and RIP3-silenced or RIP1-inhibited protected neurons developed neuronal programmed necrosis in vitro and in vivo following METH exposure. Moreover, the RIP1-RIP3 complex causes cell programmed necrosis by regulating mixed lineage kinase domain-like protein (MLKL)-mediated cell membrane rupture and dynamin-related protein 1 (Drp1)-mediated mitochondrial fission. Together, these data indicate that RIP3 plays an indispensable role in the mechanism of METH-induced neuronal programmed necrosis, which may represent a potential therapeutic target for METH-induced neurotoxicity.
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Affiliation(s)
- Xu Zhao
- School of Forensic Medicine, Southern Medical University, Guangzhou, P.R. China
| | - Jiancong Lu
- School of Forensic Medicine, Southern Medical University, Guangzhou, P.R. China
| | - Xuebing Chen
- School of Forensic Medicine, Southern Medical University, Guangzhou, P.R. China
| | - Zhengxiang Gao
- School of Forensic Medicine, Southern Medical University, Guangzhou, P.R. China
| | - Cui Zhang
- School of Forensic Medicine, Southern Medical University, Guangzhou, P.R. China
| | - Chuanxiang Chen
- School of Forensic Medicine, Southern Medical University, Guangzhou, P.R. China
| | - Dongfang Qiao
- School of Forensic Medicine, Southern Medical University, Guangzhou, P.R. China
| | - Huijun Wang
- School of Forensic Medicine, Southern Medical University, Guangzhou, P.R. China
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Zlebnik NE, Holtz NA, Lepak VC, Saykao AT, Zhang Y, Carroll ME. Age-specific treatment effects of orexin/hypocretin-receptor antagonism on methamphetamine-seeking behavior. Drug Alcohol Depend 2021; 224:108719. [PMID: 33940327 PMCID: PMC8180489 DOI: 10.1016/j.drugalcdep.2021.108719] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 03/09/2021] [Accepted: 03/10/2021] [Indexed: 01/02/2023]
Abstract
BACKGROUND Worldwide methamphetamine (METH) use has increased significantly over the last 10 years, and in the US, METH dependence has sky-rocketed among individuals with opioid use disorder. Of significant concern, METH use is gaining popularity among groups with susceptibility to developing severe substance use disorders, such as women and adolescents. Nevertheless, there is no established pharmacotherapy for METH addiction. Emerging evidence has identified the orexin/hypocretin system as an important modulator of reward-driven behavior and a potential target for the treatment of drug addiction and relapse. However, to date, there have been no investigations into the therapeutic efficacy of orexin/hypocretin receptor antagonists for METH-motivated behavior in adolescents or adults. In the present study, we examined the effects of selective antagonists of the orexin-1 (SB-334867, 20 mg/kg) and orexin-2 (TCS-OX2-29, 20 mg/kg) receptors on the reinstatement of METH seeking in both adolescent and adult male and female rats. METHODS Rats were trained to self-administer METH (0.05 mg/kg/inf, iv) during two 2-h sessions/day for 5 days. Following 20 sessions of extinction over 10 days, a within-subjects design was used to test for METH seeking precipitated by METH (1 mg/kg, ip) or METH cues after systemic pretreatment with SB-334867 or TCS-OX2-29. RESULTS SB-334867 reduced cue-induced reinstatement in males and females, regardless of age. Additionally, METH-induced METH seeking was attenuated by SB-334867 in adolescents and by TCS-OX2-29 in adults. CONCLUSION Selective orexin/hypocretin receptor antagonists have significant therapeutic potential for diminishing METH-seeking behavior, although their treatment efficacy may be influenced by age.
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Affiliation(s)
- Natalie E Zlebnik
- Department of Psychiatry, University of Minnesota Medical School, Minneapolis, MN, 55455, USA.
| | - Nathan A Holtz
- Department of Psychiatry, University of Minnesota Medical School, Minneapolis, MN, 55455, USA
| | - Victoria C Lepak
- Department of Psychiatry, University of Minnesota Medical School, Minneapolis, MN, 55455, USA
| | - Amy T Saykao
- Department of Psychiatry, University of Minnesota Medical School, Minneapolis, MN, 55455, USA
| | - Yanan Zhang
- Research Triangle Institute, Research Triangle Park, NC, 27709, USA
| | - Marilyn E Carroll
- Department of Psychiatry, University of Minnesota Medical School, Minneapolis, MN, 55455, USA
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41
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Ghavimi H, Bayani Ershadi AS, Dastvar S, Hosseini MJ. The effects of minocycline in improving of methamphetamine withdrawal syndrome in male mice. Drug Chem Toxicol 2021; 45:2319-2327. [PMID: 34182834 DOI: 10.1080/01480545.2021.1942484] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Methamphetamine (METH) is a potent psychostimulant drug with an increasing rate of abuse over recent years. Depressive-like behaviors are one of the major symptoms patients in the METH withdrawal period experience. There is limited evidence regarding the METH withdrawal treatment, and conventional managements are not completely effective. Furthermore, extensive promising literature supports minocycline, a well-known antibiotic with anti-oxidant, anti-inflammatory properties, to treat depressive-like behaviors. Therefore, we hypothesized that administration of minocycline might mitigate the methamphetamine (METH) induced depression in male mice. Administration of METH (2 mg/kg) to mice two times a day for 14 constitutive days was done to induce the METH-induced withdrawal syndrome model. Animals were divided into 10 groups (n = 10 in each group), and three doses of minocycline (2.5, 5 and 10 mg/kg) were daily administered to male albino mice for 10 days. Following the behavioral test, the animals were scarified, their hippocampus were dissected to measure oxidative stress parameters. Our data revealed that chronic administration of minocycline provoked antidepressant effects in behavioral tests, such as forced swim test (FST), tail suspension test (TST) and splash test. Additionally, minocycline was able to improve oxidative stresses and neuronal damage in the hippocampus and restore the body's antioxidant system by increasing glutathione (GSH) and the cellular energy (ATP) and reducing the malondialdehyde (MDA) level. According to our promising results of minocycline on targeting mitochondria and its performance, we suggest minocycline as a new therapeutic option in clinical trials of depression treatment.
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Affiliation(s)
- Hamed Ghavimi
- Zanjan Applied Pharmacology Research Center, Zanjan University of Medical sciences, Zanjan, Iran.,Departments of Pharmacology and Toxicology, School of Pharmacy, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Amir Sasan Bayani Ershadi
- Zanjan Applied Pharmacology Research Center, Zanjan University of Medical sciences, Zanjan, Iran.,Departments of Pharmacology and Toxicology, School of Pharmacy, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Samira Dastvar
- Zanjan Applied Pharmacology Research Center, Zanjan University of Medical sciences, Zanjan, Iran.,Departments of Pharmacology and Toxicology, School of Pharmacy, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Mir-Jamal Hosseini
- Zanjan Applied Pharmacology Research Center, Zanjan University of Medical sciences, Zanjan, Iran.,Departments of Pharmacology and Toxicology, School of Pharmacy, Zanjan University of Medical Sciences, Zanjan, Iran
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Cornwell DQ, Thompson AR, Ivie RM, Working ZM, Friess DM, Meeker JE. Methamphetamine in Orthopaedics: Considerations of an At-Risk Population. JBJS Rev 2021; 9:01874474-202106000-00012. [PMID: 34550663 DOI: 10.2106/jbjs.rvw.20.00229] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
» Methamphetamine use by orthopaedic trauma patients has risen to epidemic proportions. » Perioperative methamphetamine use by orthopaedic trauma patients requires physicians to consider both medical and psychosocial factors during treatment. » Behavioral and psychosocial effects of methamphetamine use present barriers to care. » Patients who use methamphetamine face elevated rates of complications.
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Affiliation(s)
- David Q Cornwell
- Department of Orthopaedics and Rehabilitation, Oregon Health & Science University, Portland,
| | - Austin R Thompson
- Department of Orthopaedics and Rehabilitation, Oregon Health & Science University, Portland,
| | - Ryan M Ivie
- Department of Anesthesiology and Perioperative Medicine, Oregon Health & Science University, Portland, Oregon
| | - Zachary M Working
- Department of Orthopaedics and Rehabilitation, Oregon Health & Science University, Portland,
| | - Darin M Friess
- Department of Orthopaedics and Rehabilitation, Oregon Health & Science University, Portland,
| | - James E Meeker
- Department of Orthopaedics and Rehabilitation, Oregon Health & Science University, Portland,
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Wakeman B, Kremer M, Schulkin J. The application of harm reduction to methamphetamine use during pregnancy: a call to arms. Am J Obstet Gynecol MFM 2021; 3:100418. [PMID: 34102337 DOI: 10.1016/j.ajogmf.2021.100418] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/26/2021] [Accepted: 06/02/2021] [Indexed: 11/28/2022]
Abstract
Compared with opioid use disorder, methamphetamine use is a public health crisis that has limited evidence-based pharmacologic interventions for long-term treatment. The prevalence of methamphetamine use during pregnancy is growing and contributes to adverse maternal and neonatal outcomes. Because of widespread stigma and social complexities associated with methamphetamine use during pregnancy, these patients often experience limited prenatal care, further contributing to poor outcomes. In public health circles, harm reduction describes a framework for conceptualizing substance use by championing health promotion and the safest use of substances, as opposed to the unachievable goal of abstinence. There is limited evidence supporting the application of harm reduction in this population. We call for action and research to investigate how the progressive concept of harm reduction might be applied to mitigate adverse outcomes for obstetrical patients who use methamphetamine.
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Affiliation(s)
- Brooke Wakeman
- Department of Obstetrics and Gynecology, University of Washington, Seattle, WA.
| | - Mallory Kremer
- Department of Obstetrics and Gynecology, University of Washington, Seattle, WA
| | - Jay Schulkin
- Department of Obstetrics and Gynecology, University of Washington, Seattle, WA
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Methamphetamine-Induced Keratitis Case Series. Cornea 2021; 41:367-369. [PMID: 34050072 DOI: 10.1097/ico.0000000000002764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 03/28/2021] [Indexed: 11/25/2022]
Abstract
ABSTRACT Methamphetamine-induced keratitis is a recognized but not widely studied cause of corneal stromalysis and infections. These 2 cases describe the presentation and clinical course of keratitis in patients with preceding methamphetamine use.
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Buchweitz JP, Johnson M, Wixson M, Puschner B. Quantitation of Methamphetamine and Amphetamine in Postmortem Canine Tissues and Fluids. J Anal Toxicol 2021; 46:bkab043. [PMID: 33940635 DOI: 10.1093/jat/bkab043] [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: 02/04/2021] [Revised: 04/15/2021] [Accepted: 05/03/2021] [Indexed: 11/14/2022] Open
Abstract
The production and use of the highly addictive stimulant methamphetamine are a serious public health problem in the United States and globally. Because of its increased popularity with recreational drug users, accidental or intentional poisoning incidents in companion animals have become an unavoidable scenario in veterinary medicine. We describe a case of methamphetamine poisoning in a 4-year-old female German Shepherd with postmortem analytical quantitation of methamphetamine and its metabolite, amphetamine, in bodily tissues and fluids. Many tissues and bodily fluids can be tested to confirm methamphetamine exposure. More importantly, the higher concentrations found in stomach contents, liver, kidney and heart tissue suggest these are the most useful diagnostic specimens for postmortem confirmation of toxicosis in pets especially in cases in which source material is not available for testing or in cases with no postmortem evaluation.
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Affiliation(s)
- John P Buchweitz
- Michigan State University Veterinary Diagnostic Laboratory, College of Veterinary Medicine, Michigan State University, 4125 Beaumont Rd, Lansing, MI 48910, USA
- Department of Pathobiology and Diagnostic Investigation, College of Veterinary Medicine, Michigan State University, 784 Wilson Rd, East Lansing, MI 48824, USA
| | - Margaret Johnson
- Michigan State University Veterinary Diagnostic Laboratory, College of Veterinary Medicine, Michigan State University, 4125 Beaumont Rd, Lansing, MI 48910, USA
| | - Margaret Wixson
- Oregon Humane Society, 1067 NE Columbia Blvd., Portland, OR 97211, USA
| | - Birgit Puschner
- Michigan State University Veterinary Diagnostic Laboratory, College of Veterinary Medicine, Michigan State University, 4125 Beaumont Rd, Lansing, MI 48910, USA
- Department of Pathobiology and Diagnostic Investigation, College of Veterinary Medicine, Michigan State University, 784 Wilson Rd, East Lansing, MI 48824, USA
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46
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Lee SY, Looi I, Mat Rabi M, Mohamed Micdhadhu MA. Spinal cord infarction in a young patient with methamphetamine abuse. BMJ Case Rep 2021; 14:14/3/e241031. [PMID: 33785605 PMCID: PMC8011710 DOI: 10.1136/bcr-2020-241031] [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] [Indexed: 11/04/2022] Open
Abstract
We report a case of a 20-year-old man who was diagnosed with spontaneous spinal cord infarction after abusing methamphetamine for a year. He presented with sudden onset of bilateral upper and lower limb weakness. His MRI spine showed a long segment of high signal intensity seen predominantly in the anterior spinal cord from medulla to mid thoracic level as well as a pencil-like hyperintensity seen postcontrast suggestive of spinal cord ischaemia or infarct. Thus, he was empirically treated for presumed anterior spinal cord infarction. He then developed autonomic dysfunction and went into respiratory distress, which required invasive mechanical ventilation support. Subsequently, he developed cardiac arrythmia with supraventricular tachycardiac followed by asystole and succumbed to illness on day 9 despite maximal resuscitative efforts. This case report illustrates a rare spinal cord infarction caused by methamphetamine intoxication and the importance of identifying and treating it early.
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Affiliation(s)
- Seek Yang Lee
- Medical, Hospital Seberang Jaya, Seberang Jaya, Pulau Pinang, Malaysia
| | - Irene Looi
- Medical, Hospital Seberang Jaya, Seberang Jaya, Pulau Pinang, Malaysia
| | - Mahedzan Mat Rabi
- Medical, Hospital Seberang Jaya, Seberang Jaya, Pulau Pinang, Malaysia
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47
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Le NT, Khuong QL, Vu TTV, Thai TT, Le HTCH, Dao PT, Le SH, Tieu TTV, Do VD. Prevalence of Amphetamine-Type Stimulant Use and Related Factors among Methadone Maintenance Patients in Ho Chi Minh City Vietnam: A Cross-Sectional Study. J Psychoactive Drugs 2021; 53:355-363. [PMID: 33504276 DOI: 10.1080/02791072.2020.1871126] [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] [Indexed: 01/01/2023]
Abstract
The objective of this study was to determine the prevalence of amphetamine-type stimulant use and associated factors among methadone maintenance treatment (MMT) patients. In 2018, a cross-sectional study was conducted on 967 MMT patients at two methadone clinics in Ho Chi Minh City that serve Vietnamese patients. Amphetamine-type stimulant use was assessed by rapid urine test and face-to-face interview using the Alcohol, Smoking, Substance Involvement Screening Test (ASSIST) tool. The prevalence of amphetamine-type stimulant use assessed by urine test was 25.4%. According to ASSIST, the prevalence of moderate and high risk amphetamine-type stimulant use was 15.5% and 1.1%, respectively. Amphetamine-type stimulant use and hazardous use were more prevalent in younger patients, having a part-time job, drug injection, having a lower score of self-health assessment, treated with a higher dose of methadone and missing methadone dose in the past 3 months. By contrast, patients who were HIV positive were less likely to use amphetamine-type stimulants. Cannabis and heroin use were significantly associated with amphetamine-type stimulant use (OR = 1.46; 95% CI: 1.38-8.67; and OR = 1.50; CI: 1.04-2.18, respectively) and hazardous use (OR = 4.07; CI: 1.67-9.92; and OR = 2.38; CI: 1.56-3.63, respectively). Screening and interventions are needed to cope with this issue on time, particularly in young patients, having drug injection and concurrent drugs user groups.
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Affiliation(s)
- Ngoc Tu Le
- Department of Disease Control and Prevention, Pasteur Institute of Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Quynh Long Khuong
- Center for Population Health Science, Hanoi University of Public Health, Hanoi, Vietnam.,Vietnam HIV Addiction Technology Transfer Center, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Thi Tuong Vi Vu
- Vietnam HIV Addiction Technology Transfer Center, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Thanh Truc Thai
- Faculty of Public Health, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam.,Training and Scientific Research, University Medical Center, Ho Chi Minh City, Vietnam
| | - Huynh Thi Cam Hong Le
- Vietnam HIV Addiction Technology Transfer Center, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Phuoc Thang Dao
- Interactive Research and Development, Ho Chi Minh City, Vietnam
| | - Sy Hieu Le
- Woolcock Institute of Medical Research, Ho Chi Minh City, Vietnam
| | - Thi Thu Van Tieu
- Prevention HIV/AIDS Center Ho Chi Minh City HIV/AIDS Association, Ho Chi Minh City, Vietnam
| | - Van Dung Do
- Faculty of Public Health, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
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48
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Havens JR, Knudsen HK, Strickland JC, Young AM, Babalonis S, Lofwall MR, Walsh SL. Recent Increase in Methamphetamine Use in a Cohort of Rural People Who Use Drugs: Further Evidence for the Emergence of Twin Epidemics. Front Psychiatry 2021; 12:805002. [PMID: 35069295 PMCID: PMC8777215 DOI: 10.3389/fpsyt.2021.805002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 12/16/2021] [Indexed: 01/14/2023] Open
Abstract
Appalachian Kentucky was at the epicenter of the prescription opioid epidemic in the early 2000's. As we enter the third decade of the epidemic, patterns have begun to emerge as people who use drugs (PWUD) transition from use of opioids to other drugs. The purpose of this analysis was to examine longitudinal changes in methamphetamine use in an ongoing cohort of rural people who use drugs (PWUD) in Appalachian Kentucky. All but five of the cohort participants (N = 503) reported nonmedical prescription opioid use (NMPOU) at baseline and those 498 are included in this longitudinal analysis encompassing eight waves of data (2008-2020). Past 6-month use of methamphetamine was the dependent variable. Given the correlated nature of the data, mixed effects logistic regression was utilized to examine changes in methamphetamine use over time. Significant increases in methamphetamine use were observed over the past decade in this cohort of PWUD, especially in recent years (2017-2020). Prevalence of recent use at baseline and each of the follow-up visits was as follows: 9.4, 5.6, 5.0, 5.4, 8.1, 6.8, 6.9, and 33.1%, respectively (p < 0.001). On the contrary, significant reductions in NMPO and heroin use were observed in the same time period. The odds of methamphetamine use at the most recent visit were 25.8 times greater than at baseline (95% CI: 14.9, 44.6) and 52.6% of those reporting methamphetamine use reported injecting the drug. These results provide further evidence of "twin epidemics" of methamphetamine use among NMPOU. While problematic on several fronts, of particular concern is the lack of effective treatment options for methamphetamine use disorder. As policies around the opioid epidemic continue to evolve, particular attention should be paid to the surge in stimulant use in opioid-endemic areas.
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Affiliation(s)
- Jennifer R Havens
- Department of Behavioral Science, Center on Drug and Alcohol Research, University of Kentucky College of Medicine, Lexington, KY, United States
| | - Hannah K Knudsen
- Department of Behavioral Science, Center on Drug and Alcohol Research, University of Kentucky College of Medicine, Lexington, KY, United States
| | - Justin C Strickland
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - April M Young
- Department of Behavioral Science, Center on Drug and Alcohol Research, University of Kentucky College of Medicine, Lexington, KY, United States.,Department of Epidemiology, University of Kentucky College of Public Health, Lexington, KY, United States
| | - Shanna Babalonis
- Department of Behavioral Science, Center on Drug and Alcohol Research, University of Kentucky College of Medicine, Lexington, KY, United States
| | - Michelle R Lofwall
- Department of Behavioral Science, Center on Drug and Alcohol Research, University of Kentucky College of Medicine, Lexington, KY, United States
| | - Sharon L Walsh
- Department of Behavioral Science, Center on Drug and Alcohol Research, University of Kentucky College of Medicine, Lexington, KY, United States
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Kim MS, Fan Y, Lee SM, Chang SC, Kim HK, Ryu Y, Steffensen SC, Yang CH, Kim HY. Role of the central amygdala in acupuncture inhibition of methamphetamine-induced behaviors in rats. Addict Biol 2021; 26:e12862. [PMID: 31997525 DOI: 10.1111/adb.12862] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 11/13/2019] [Accepted: 11/26/2019] [Indexed: 01/16/2023]
Abstract
Methamphetamine (METH) enhances dopamine (DA) transmission in the mesolimbic system implicated in its reinforcing effects. Our previous studies have shown that acupuncture attenuates drug-seeking behaviors by modulating GABAergic transmission in the ventral tegmental area and DA release in the nucleus accumbens (NAc) of the striatum. The effects of acupuncture on METH-induced behaviors and its mediation by neural pathways remain a relatively understudied area of research. The central amygdala (CeA) plays a critical role in physiological and behavioral responses to somatosensory and drug stimuli and has been implicated in negative reinforcement. Thus, we evaluated the role of the CeA in acupuncture effects on locomotor activity, positive affective states, and DA release in the NAc following acute administration of METH. Acupuncture at acupoint HT7 reduced locomotor activity, 50-kHz ultrasonic vocalizations (USVs), and NAc DA release following systemic injection of METH, which was prevented by electrolytic lesions or optogenetic inhibition of the CeA. Acupuncture alone excited CeA neurons and reversed the suppression of CeA neurons induced by METH. These results suggest that acupuncture can relieve psychomotor responses and positive affective states following METH by inhibiting NAc DA release and this effect is mediated by activation of CeA neurons.
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Affiliation(s)
- Mi Seon Kim
- College of Korean Medicine Daegu Haany University Daegu South Korea
| | - Yu Fan
- College of Korean Medicine Daegu Haany University Daegu South Korea
| | - Soo Min Lee
- College of Korean Medicine Daegu Haany University Daegu South Korea
| | - Su Chan Chang
- College of Korean Medicine Daegu Haany University Daegu South Korea
| | - Hyung Kyu Kim
- College of Korean Medicine Daegu Haany University Daegu South Korea
| | - Yeonhee Ryu
- Clinical Medicine Division Korea Institute of Oriental Medicine Daejeon South Korea
| | | | - Chae Ha Yang
- College of Korean Medicine Daegu Haany University Daegu South Korea
| | - Hee Young Kim
- College of Korean Medicine Daegu Haany University Daegu South Korea
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50
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Sun J, Chen F, Chen C, Zhang Z, Zhang Z, Tian W, Yu J, Wang K. Intestinal mRNA expression profile and bioinformatics analysis in a methamphetamine-induced mouse model of inflammatory bowel disease. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:1669. [PMID: 33490181 PMCID: PMC7812166 DOI: 10.21037/atm-20-7741] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Background Methamphetamine use has become a serious global public health problem and puts increasing burdens on healthcare services. Abdominal complications caused by methamphetamine use are uncommon and often go ignored by clinicians. The exact intestinal pathological alterations and transcriptomic responses associated with methamphetamine use are not well understood. This study sought to investigate the transcriptome in a methamphetamine-induced mouse model of inflammatory bowel disease (IBD) using next-generation RNA sequencing. Methods Tissues from the ileum of methamphetamine-treated mice (n=5) and control mice (n=5) were dissected, processed and applied to RNA-sequencing. Bioinformatics and histopathological analysis were then performed. The expression profiles of intestinal tissue samples were analyzed and their expression profiles were integrated to obtain the differentially expressed genes and analyzed using bioinformatics. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway enrichment analyses of the differentially expressed genes were performed using Metascape. Results A total of 326 differentially expressed genes were identified; of these genes, 120 were upregulated and 206 were downregulated. The Gene Ontology analysis showed that the biological processes of the differentially expressed genes were focused primarily on the regulation of cellular catabolic processes, endocytosis, and autophagy. The main cellular components included the endoplasmic and endocytic vesicles, cytoskeleton, adherens junctions, focal adhesions, cell body, and lysosomes. Molecular functions included protein transferase, GTPase and proteinase activities, actin-binding, and protein-lipid complex binding. The Kyoto Encyclopedia of Genes and Genomes pathway analysis showed that the differentially expressed genes were mainly involved in bacterial invasion of epithelial cells, protein processing in the endoplasmic reticulum, regulation of the actin cytoskeleton, and T-cell receptor signaling pathways. A set of overlapping genes between IBD and methamphetamine-treated intestinal tissues was discovered. Conclusions The present study is the first to analyze intestinal samples from methamphetamine-treated mice using high-throughput RNA sequencing. This study revealed key molecules that might be involved in the pathogenesis of a special type of methamphetamine-induced IBD. These results offer new insights into the relationship between methamphetamine abuse and IBD.
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Affiliation(s)
- Jiaxue Sun
- NHC Key Laboratory of Drug Addiction Medicine, First Affiliated Hospital of Kunming Medical University, Kunming, China.,Department of Gastrointestinal and Hernia Surgery, First Affiliated Hospital of Kunming Medical University, Kunming, China.,The Scientific Research Laboratory Center, First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Fengrong Chen
- NHC Key Laboratory of Drug Addiction Medicine, First Affiliated Hospital of Kunming Medical University, Kunming, China.,The Scientific Research Laboratory Center, First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Cheng Chen
- NHC Key Laboratory of Drug Addiction Medicine, First Affiliated Hospital of Kunming Medical University, Kunming, China.,Department of Gastrointestinal and Hernia Surgery, First Affiliated Hospital of Kunming Medical University, Kunming, China.,The Scientific Research Laboratory Center, First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Zherui Zhang
- NHC Key Laboratory of Drug Addiction Medicine, First Affiliated Hospital of Kunming Medical University, Kunming, China.,Department of Gastrointestinal and Hernia Surgery, First Affiliated Hospital of Kunming Medical University, Kunming, China.,The Scientific Research Laboratory Center, First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Zunyue Zhang
- NHC Key Laboratory of Drug Addiction Medicine, First Affiliated Hospital of Kunming Medical University, Kunming, China.,The Scientific Research Laboratory Center, First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Weiwei Tian
- NHC Key Laboratory of Drug Addiction Medicine, First Affiliated Hospital of Kunming Medical University, Kunming, China.,The Scientific Research Laboratory Center, First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Juehua Yu
- NHC Key Laboratory of Drug Addiction Medicine, First Affiliated Hospital of Kunming Medical University, Kunming, China.,The Scientific Research Laboratory Center, First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Kunhua Wang
- NHC Key Laboratory of Drug Addiction Medicine, First Affiliated Hospital of Kunming Medical University, Kunming, China
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