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Guo Y, Xu X, Li T, Chen H, Wang X, Huang W, Liu T, Kong Q, Chen F. Dynamic functional connectivity changes associated with decreased memory performance in betel quid dependence. Addict Biol 2023; 28:e13329. [PMID: 37753571 DOI: 10.1111/adb.13329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 07/17/2023] [Accepted: 08/15/2023] [Indexed: 09/28/2023]
Abstract
The temporal variability of the dynamic functional connectivity (dFC) has been suggested as a useful metric for studying abnormal cognitive function. This study aimed to explore the associations between the temporal properties of dFC and memory performance in betel quid dependence (BQD). Sixty-four BQD individuals and 47 gender- and age-matched healthy controls (HCs) underwent functional magnetic resonance imaging and a series of neuropsychological assessments. The dFC was constructed by calculating the Pearson correlation coefficients within a sliding window and was clustered into three functional connectivity states using k-means clustering. The dFC temporal properties derived from the cluster results were compared between the BQD and HC groups. The results showed that States 1 and 3 featured more frequent and weak connectivity, and State 2 featured less frequent and strong connectivity. There were significant differences for mean dwell time (MDT) in State 3 (p = 0.022) and fraction of time in State 2 (p = 0.018) between the BQD and HC groups. Pearson correlation analyses showed that the MDT in State 1 was negatively correlated with long delay free recall and short delay free recall, and the MDT in State 3 was positively correlated with false positive of long delay recall. Our findings provide strong evidence that MDT match the memory performance and suggest new insights into the pathophysiological mechanism of memory disorders in BQD individuals.
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Affiliation(s)
- Yihao Guo
- Department of Radiology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, Hainan, China
| | - Xiaoling Xu
- Department of Radiology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, Hainan, China
| | - Tiansheng Li
- Department of Radiology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, Hainan, China
| | - Huijuan Chen
- Department of Radiology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, Hainan, China
| | - Xiaoyi Wang
- Department of Radiology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, Hainan, China
| | - Weiyuan Huang
- Department of Radiology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, Hainan, China
| | - Tao Liu
- Department of Geriatric Center, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, Hainan, China
| | - Qingle Kong
- MR Collaboration, Siemens Healthineers Ltd., Beijing, China
| | - Feng Chen
- Department of Radiology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, Hainan, China
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Muthukrishnan A, Nagi R, Ashok L, Sujatha GP, Rao RS, Lakshminarayana S, Pandarathodiyil AK, Patil S. Behavioral and Psychosocial Risk Factors that Lead Individuals to Initiate and/or Maintain Betel Quid Chewing in Developed and Developing Countries: A Systematic Review. J Contemp Dent Pract 2022; 23:1267-1279. [PMID: 37125526 DOI: 10.5005/jp-journals-10024-3450] [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: 05/02/2023]
Abstract
BACKGROUND Betel quid (BQ) is the fourth most commonly used psychoactive substance and its use is highly prevalent among southeast Asian countries due to the influence of psychosocial, behavioral, and environmental factors. As a result, even young children and women are becoming addicted and find it difficult to achieve long-term abstinence. Systematic research addressing the influence of behavioral and psychosocial factors on BQ chewing is scarce, hence pointing to the need for understanding the interplay of these factors to develop tailored intervention strategies for BQ cessation. OBJECTIVE The objective of this systematic review is to assess various behavioral and psychosocial risk factors from pre-existing literature that lead individuals to initiate and/or maintain BQ chewing in developed and developing countries. MATERIALS AND METHODS The electronic retrieval systems and databases PUBMED [MEDLINE], EMBASE, SCOPUS, WEB OF SCIENCE, GOOGLE SCHOLAR, and SCIENCE DIRECT were searched independently by two authors for relevant articles from January 2011 to July 2021 using combinations of keywords. Primary studies published in English focusing on the behavioral and psychosocial risk factors for BQ chewing were included. RESULTS Out of the initial 264 articles searched, 12 articles met the selection criteria. Included studies addressed the influence of behavioral and psychosocial factors toward the initiation and/or maintenance of BQ chewing. Included studies reported that dependent BQ was not able to quit BQ chewing due to habituation, addiction, and withdrawal symptoms. Few social BQ chewers in Southeast Asian countries were not willing to initiate quitting as they considered AN as an important social and cultural identifier and claimed that they could not resist chewing in a peer group, and it has become part of their social life. CONCLUSION In the future, studies should take into consideration behavioral and psychosocial risk factors, which are major barriers toward successful quitting. These factors should be integrated into areca nut cessation guidelines, and there is a need to develop more comprehensive culture-specific intervention approaches to achieve long-term abstinence.
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Affiliation(s)
- Arvind Muthukrishnan
- Department of Oral Medicine and Radiology and Special Care Dentistry, Saveetha Dental College and Hospital, Chennai, Tamil Nadu, India
| | - Ravleen Nagi
- Department of Oral Medicine and Radiology, Saveetha Dental College and Hospital, Chennai, Tamil Nadu, India
| | - L Ashok
- Department of Oral Medicine and Radiology, Bapuji Dental College and Hospital, Davanagere, Karnataka, India
| | - G P Sujatha
- Department of Oral Medicine and Radiology, Bapuji Dental College and Hospital, Davanagere, Karnataka, India
| | - Roopa S Rao
- Department of Oral Pathology and Microbiology, Faculty of Dental Sciences, Ramaiah University of Applied Sciences, Bengaluru, Karnataka, India
| | - Surendra Lakshminarayana
- Department of Oral Pathology and Microbiology, Faculty of Dental Sciences, Ramaiah University of Applied Sciences, Bengaluru, Karnataka, India
| | | | - Shankargouda Patil
- Department of Maxillofacial Surgery and Diagnostic Sciences, Division of Oral Pathology, College of Dentistry, Jazan University, Jazan, Saudi Arabia, e-mail:
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Tang T, Huang L, Zhang Y, Li Z, Liang S. Aberrant pattern of regional cerebral blood flow in mild cognitive impairment: A meta-analysis of arterial spin labeling magnetic resonance imaging. Front Aging Neurosci 2022; 14:961344. [PMID: 36118708 PMCID: PMC9475306 DOI: 10.3389/fnagi.2022.961344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Accepted: 08/15/2022] [Indexed: 11/13/2022] Open
Abstract
In mild cognitive impairment (MCI), cognitive decline is associated with abnormal changes of cerebral blood flow (CBF). Arterial spin labeling magnetic resonance imaging (ASL-MRI) is an effective method for assessing regional cerebral blood flow (rCBF). However, the CBF estimated via ASL-MRI in MCI often differs between studies, and the consistency of CBF changes in MCI is unclear. In this study, 13 ASL-MRI studies with 495 MCI patients and 441 health controls were screened out from PubMed, Embase, Cochrane, Web of Science, Wanfang, and CNKI. An activation likelihood estimation (ALE) meta-analysis was performed to explore the brain regions with abnormal CBF in MCI. It showed that the decreased CBF in MCI was identified in the precuneus, inferior parietal lobule (IPL), superior occipital gyrus (SOG), middle temporal gyrus (MTG), and middle occipital gyrus (MOG), while the increased CBF in MCI was identified in the lentiform nucleus (LN) compared with healthy controls. The study characterized the abnormal pattern of regional CBF in MCI, which would promote our knowledge of MCI and might be used as a biomarker in clinic.
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Affiliation(s)
- Tong Tang
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, Fuzhou, China
- Rehabilitation Industry Institute, Fujian University of Traditional Chinese Medicine, Fuzhou, China
- College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Li Huang
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, Fuzhou, China
- Rehabilitation Industry Institute, Fujian University of Traditional Chinese Medicine, Fuzhou, China
- College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Yusi Zhang
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, Fuzhou, China
- Rehabilitation Industry Institute, Fujian University of Traditional Chinese Medicine, Fuzhou, China
- College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Zuanfang Li
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, Fuzhou, China
- Innovation and Transformation Center, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Shengxiang Liang
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, Fuzhou, China
- Rehabilitation Industry Institute, Fujian University of Traditional Chinese Medicine, Fuzhou, China
- Traditional Chinese Medicine Rehabilitation Research Center of State Administration of Traditional Chinese Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
- *Correspondence: Shengxiang Liang
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Lan Q, Guan P, Huang C, Huang S, Zhou P, Zhang C. Arecoline Induces an Excitatory Response in Ventral Tegmental Area Dopaminergic Neurons in Anesthetized Rats. Front Pharmacol 2022; 13:872212. [PMID: 35548350 PMCID: PMC9081529 DOI: 10.3389/fphar.2022.872212] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 04/08/2022] [Indexed: 12/21/2022] Open
Abstract
Arecoline is the principle psychoactive alkaloid in areca nuts. Areca nuts are chewable seeds of Areca catechu L., which are epidemic plants that grow in tropical and subtropical countries and cause dependency after long-term use. However, the mechanisms underlying such dependency remain largely unclear, and therefore, no effective interventions for its cessation have been developed. The present study aimed to examine the effects of arecoline on neurons of the ventral tegmental area (VTA). After rats were anesthetized and craniotomized, electrophysiological electrodes were lowered into the VTA to obtain extracellular recordings. The mean firing rate of dopaminergic and GABAergic neurons were then calculated and analyzed before and after arecoline treatment. The burst characteristics of the dopaminergic neurons were also analyzed. The results showed that arecoline evoked a significant enhancement of the firing rate of dopaminergic neurons, but not GABAergic neurons. Moreover, arecoline evoked remarkable burst firings in the dopaminergic neurons, including an increase in the burst rate, elongation in the burst duration, and an enhancement in the number of spikes per burst. Collectively, the findings revealed that arecoline significantly excited VTA dopaminergic neurons, which may be a mechanism underlying areca nut dependency and a potential target for areca nut cessation therapy.
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Affiliation(s)
- Qinghui Lan
- School of Educational Sciences, Lingnan Normal University, Zhanjiang, China
| | - Peiqing Guan
- School of Educational Sciences, Lingnan Normal University, Zhanjiang, China
| | - Chunzheng Huang
- School of Educational Sciences, Lingnan Normal University, Zhanjiang, China
| | - Shile Huang
- Western Guangdong Characteristic Biology and Medicine Engineering and Research Center, School of Chemistry and Chemical Engineering, Lingnan Normal University, Zhanjiang, China
| | - Peiling Zhou
- School of Educational Sciences, Lingnan Normal University, Zhanjiang, China
- *Correspondence: Changzheng Zhang, ; Peiling Zhou,
| | - Changzheng Zhang
- School of Educational Sciences, Lingnan Normal University, Zhanjiang, China
- *Correspondence: Changzheng Zhang, ; Peiling Zhou,
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Huang W, Liu T, Chen H, Fu Q, Fu L, Xu X, Liu L, Guo Y, Balasubramanian PS, Chen F. Mapping white matter structural and network alterations in betel quid-dependent chewers using high angular resolution diffusion imaging. Front Psychiatry 2022; 13:1036728. [PMID: 36545042 PMCID: PMC9760978 DOI: 10.3389/fpsyt.2022.1036728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 11/18/2022] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND To evaluate brain white matter diffusion characteristics and anatomical network alterations in betel quid dependence (BQD) chewers using high angular resolution diffusion imaging (HARDI). METHODS The current study recruited 53 BQD chewers and 37 healthy controls (HC) in two groups. We explored regional diffusion metrics alternations in the BQD group compared with the HC group using automated fiber quantification (AFQ). We further employed the white matter (WM) anatomical network of HARDI to explore connectivity alterations in BQD chewers using graph theory. RESULTS BQD chewers presented significantly lower FA values in the left and right cingulum cingulate, the left and right thalamic radiation, and the right uncinate. The BQD has a significantly higher RD value in the right uncinate fasciculus than the HC group. At the global WM anatomical network level, global network efficiency (p = 0.008) was poorer and Lp (p = 0.016) was greater in the BQD group. At the nodal WM anatomical network level, nodal efficiency (p < 0.05) was lower in the BQD group. CONCLUSION Our findings provide novel morphometric evidence that brain structural changes in BQD are characterized by white matter diffusivity and anatomical network connectivity among regions of the brain, potentially leading to the enhanced reward system and impaired inhibitory control.
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Affiliation(s)
- Weiyuan Huang
- Department of Radiology, Hainan General Hospital, Hainan, China
| | - Tao Liu
- Department of Geriatric Center, Hainan General Hospital, Hainan, China
| | - Huijuan Chen
- Department of Radiology, Hainan General Hospital, Hainan, China
| | - Qingqing Fu
- Department of Radiology, Hainan General Hospital, Hainan, China
| | - Lili Fu
- Department of Radiology, Hainan General Hospital, Hainan, China
| | - Xiaolin Xu
- Department of Radiology, Hainan General Hospital, Hainan, China
| | - Liting Liu
- Department of Radiology, Yueyang Central Hospital, Shanghai, China
| | - Yihao Guo
- Department of Radiology, Hainan General Hospital, Hainan, China
| | - Priya S Balasubramanian
- Department of Electrical and Computer Engineering, Cornell University, Ithaca, NY, United States
| | - Feng Chen
- Department of Radiology, Hainan General Hospital, Hainan, China
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Yang M, Zhou X, Ding X, Zhu Y, Jiang D, Ding L, Chu G, Cheng J, Lv G. Clinical Impact of eCASH Combined with Nano-Silver Dressings for the Treatment of II Burn Wounds. J BIOMATER TISS ENG 2021. [DOI: 10.1166/jbt.2021.2413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
92 cases of second degree burn wounds treated in our hospital from January 2019 to December 2019 were selected as the research objects, and the clinical effect of eCASH concept treatment combined with nano silver dressing on the second degree burn wounds was studied. The patients were
randomly divided into control group (n = 46) and observation group (n = 46). The control group was treated with conventional treatment combined with eCASH concept nursing, and the observation group was treated with eCASH concept combined with nano silver dressing. We found that
the effective rate of the observation group was 95.65% higher than that of the control group (76.09%); the wound healing time of the observation group was significantly lower than that of the control group; the average VAS pain score of the observation group during wound treatment was significantly
lower than that of the control group The total positive rate of bacterial detection in the observation group was 8.70%, which was lower than 28.26% in the control group; the incidence of complications in the observation group was 2.17% lower than that in the control group (17.39%); the differences
were statistically significant (all P < 0.05). These results indicate that eCASH concept combined with nano silver dressing in the treatment of second degree burn wounds has a significant effect, which can accelerate the recovery, reduce the pain, and effectively reduce the total
positive rate of bacterial detection and the incidence of complications.
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Affiliation(s)
- Minlie Yang
- Department of Burns and Plastic Surgery, Affiliated Hospital of Jiangnan University (Wuxi the Third People’s Hospital), Wuxi 214041, Jiangsu, PR China
| | - Xiaojin Zhou
- Dean’s Office, Affiliated Hospital of Jiangnan University (Wuxi the Third People’s Hospital), Wuxi 214041, Jiangsu, PR China
| | - Xian Ding
- Department of Anesthesiology, Affiliated Hospital of Jiangnan University (Wuxi the Third People’s Hospital), Wuxi 214041, Jiangsu, PR China
| | - Yugang Zhu
- Department of Burns and Plastic Surgery, Affiliated Hospital of Jiangnan University (Wuxi the Third People’s Hospital), Wuxi 214041, Jiangsu, PR China
| | - Donglin Jiang
- Dean’s Office, Affiliated Hospital of Jiangnan University (Wuxi the Third People’s Hospital), Wuxi 214041, Jiangsu, PR China
| | - Lingtao Ding
- Department of Burns and Plastic Surgery, Affiliated Hospital of Jiangnan University (Wuxi the Third People’s Hospital), Wuxi 214041, Jiangsu, PR China
| | - Guoping Chu
- Department of Burns and Plastic Surgery, Affiliated Hospital of Jiangnan University (Wuxi the Third People’s Hospital), Wuxi 214041, Jiangsu, PR China
| | - Jia Cheng
- Department of Burns and Plastic Surgery, Affiliated Hospital of Jiangnan University (Wuxi the Third People’s Hospital), Wuxi 214041, Jiangsu, PR China
| | - Guozhong Lv
- Department of Burns and Plastic Surgery, Affiliated Hospital of Jiangnan University (Wuxi the Third People’s Hospital), Wuxi 214041, Jiangsu, PR China
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Huang X, Wu Z, Liu Z, Liu D, Huang D, Long Y. Acute Effect of Betel Quid Chewing on Brain Network Dynamics: A Resting-State Functional Magnetic Resonance Imaging Study. Front Psychiatry 2021; 12:701420. [PMID: 34504445 PMCID: PMC8421637 DOI: 10.3389/fpsyt.2021.701420] [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: 04/28/2021] [Accepted: 08/02/2021] [Indexed: 12/12/2022] Open
Abstract
Betel quid (BQ) is one of the most popular addictive substances in the world. However, the neurophysiological mechanism underlying BQ addiction remains unclear. This study aimed to investigate whether and how BQ chewing would affect brain function in the framework of a dynamic brain network model. Resting-state functional magnetic resonance imaging scans were collected from 24 male BQ-dependent individuals and 26 male non-addictive healthy individuals before and promptly after chewing BQ. Switching rate, a measure of temporal stability of functional brain networks, was calculated at both global and local levels for each scan. The results showed that BQ-dependent and healthy groups did not significantly differ on switching rate before BQ chewing (F = 0.784, p = 0.381, analysis of covariance controlling for age, education, and head motion). After chewing BQ, both BQ-dependent (t = 2.674, p = 0.014, paired t-test) and healthy (t = 2.313, p = 0.029, paired t-test) individuals showed a significantly increased global switching rate compared to those before chewing BQ. Significant corresponding local-level effects were observed within the occipital areas for both groups, and within the cingulo-opercular, fronto-parietal, and cerebellum regions for BQ-dependent individuals. Moreover, in BQ-dependent individuals, switching rate was significantly correlated with the severity of BQ addiction assessed by the Betel Quid Dependence Scale scores (Spearman's rho = 0.471, p = 0.020) before BQ chewing. Our study provides preliminary evidence for the acute effects of BQ chewing on brain functional dynamism. These findings may provide insights into the neural mechanisms of substance addictions.
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Affiliation(s)
- Xiaojun Huang
- National Clinical Research Center for Mental Disorders, and Department of Psychiatry, The Second Xiangya Hospital, Central South University, Changsha, China.,Department of Clinical Psychology, Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Nanchang, China
| | - Zhipeng Wu
- National Clinical Research Center for Mental Disorders, and Department of Psychiatry, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Zhening Liu
- National Clinical Research Center for Mental Disorders, and Department of Psychiatry, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Dayi Liu
- National Clinical Research Center for Mental Disorders, and Department of Psychiatry, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Danqing Huang
- National Clinical Research Center for Mental Disorders, and Department of Psychiatry, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yicheng Long
- National Clinical Research Center for Mental Disorders, and Department of Psychiatry, The Second Xiangya Hospital, Central South University, Changsha, China
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Genetic toxicology and toxicokinetics of arecoline and related areca nut compounds: an updated review. Arch Toxicol 2020; 95:375-393. [PMID: 33097969 DOI: 10.1007/s00204-020-02926-9] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 10/05/2020] [Indexed: 01/13/2023]
Abstract
Areca nut (AN) is consumed by more than 600 million of individuals, particularly in some regions of South Asia, East Africa, and tropical Pacific, being classified as carcinogenic to humans. The most popular way of exposure consists of chewing a mixture of AN with betel leaf, slaked lime, and other ingredients that may also contain tobacco named betel quid (BQ). Arecoline is the principal active compound of AN, and, therefore, has been systematically studied over the years in several in vitro and in vivo genotoxicity endpoints. However, much of this information is dispersed, justifying the interest of an updated and comprehensive review article on this topic. In this sense, it is thus pertinent to describe and integrate the genetic toxicology data available as well as to address key toxicokinetics aspects of arecoline. This review also provides information on the effects induced by arecoline metabolites and related compounds, including other major AN alkaloids and nitrosation derivatives. The complexity of the chemicals involved renders this issue a challenge in genetic toxicology. Overall, positive results in several endpoints have been reported, some of them suggesting a key role for arecoline metabolites. Nevertheless, some negative genotoxicity findings for this alkaloid in short-term assays have also been reported in the literature. Finally, this article also collates information on the potential mechanisms of arecoline-induced genotoxicity, and suggests further approaches to tackle this important toxicological issue.
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Sariah A, Pu W, Xue Z, Liu Z, Huang X. Reduced Cortical Thickness in the Right Caudal Middle Frontal Is Associated With Symptom Severity in Betel Quid-Dependent Chewers. Front Psychiatry 2020; 11:654. [PMID: 32754064 PMCID: PMC7366340 DOI: 10.3389/fpsyt.2020.00654] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 06/24/2020] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Findings from brain structural imaging studies on betel quid dependence have supported relations between betel quid chewing and alterations in gray matter volume and white matter integrity. However, the effect of betel quid chewing on cortical thickness and the link between cortical thickness and symptom severity remains unascertained. METHODS In this observational study, we compared cortical thickness measures from 24 male betel quid-dependent chewers with 27 male healthy controls. Using FreeSufer, we obtained three-dimensional T1-weighted images that were used to compute the thickness of the cerebral cortex throughout the cortical layer. RESULTS Compared to healthy controls, betel quid dependent chewers displayed significant decreased cortical thickness in the precuneus, entorhinal, right paracentral, middle temporal, and caudal middle frontal gyri. Betel quid dependence scale scores negatively correlated (r = -0.604; p = 0.002) with reduced cortical thickness in the right caudal middle frontal of betel quid-dependent chewers. CONCLUSION The findings provide evidence for cortical thickness abnormality in betel dependent chewers and further propose that the severity of betel quid symptoms may be a critical aspect associated with the cortical alterations. The observed alterations may serve as potential mechanisms to explain why BQ chewing behavior is persistent among individuals with betel quid dependence.
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Affiliation(s)
- Adellah Sariah
- National Clinical Research Centre for Mental Disorders, Institute of Mental Health and Department of Psychiatry, The Second Xiangya Hospital of Central South University, Changsha, China.,Department of Mental Health and Psychiatric Nursing, Hubert Kairuki Memorial University, Dar es Salaam, Tanzania
| | - Weidan Pu
- Medical Psychological Institute, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Zhimin Xue
- National Clinical Research Centre for Mental Disorders, Institute of Mental Health and Department of Psychiatry, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Zhening Liu
- National Clinical Research Centre for Mental Disorders, Institute of Mental Health and Department of Psychiatry, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Xiaojun Huang
- National Clinical Research Centre for Mental Disorders, Institute of Mental Health and Department of Psychiatry, The Second Xiangya Hospital of Central South University, Changsha, China
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