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1.
Harefuah ; 163(5): 327-330, 2024 May.
Artigo em Hebraico | MEDLINE | ID: mdl-38734949

RESUMO

INTRODUCTION: The number of medical cannabis licenses in Israel is increasing persistently (over 120,000 approved licenses in October 2022), reaching about 1.5% of adult population. Medical cannabis products are available in two main forms: inflorescence (administered by smoking or evaporation) and cannabis oil (administered sub-lingually). Data from the Israel ministry of health, regarding the split between these forms, show a major preference for inflorescence products over cannabis oils. This preference is increasing over time. This article reviews the main differences between the administration of these forms and their effects on the quality of treatment. It's conclusion is that for the most common cases of cannabis treatment, sublingual oils should be preferred and that the medical community has an important role in driving this change.


Assuntos
Maconha Medicinal , Humanos , Maconha Medicinal/administração & dosagem , Israel , Cannabis , Óleos de Plantas/administração & dosagem , Administração Sublingual , Adulto , Fumar Maconha/legislação & jurisprudência , Inflorescência , Vias de Administração de Medicamentos
2.
JAMA Netw Open ; 7(5): e2410151, 2024 May 01.
Artigo em Inglês | MEDLINE | ID: mdl-38713462

RESUMO

Importance: The prevalence of cannabis use in pregnancy is rising and is associated with adverse perinatal outcomes. In parallel, combined prenatal use of cannabis and nicotine is also increasing, but little is known about the combined impact of both substances on pregnancy and offspring outcomes compared with each substance alone. Objective: To assess the perinatal outcomes associated with combined cannabis and nicotine exposure compared with each substance alone during pregnancy. Design, Setting, and Participants: This retrospective population-based cohort study included linked hospital discharge data (obtained from the California Department of Health Care Access and Information) and vital statistics (obtained from the California Department of Public Health) from January 1, 2012, through December 31, 2019. Pregnant individuals with singleton gestations and gestational ages of 23 to 42 weeks were included. Data were analyzed from October 14, 2023, to March 4, 2024. Exposures: Cannabis-related diagnosis and prenatal nicotine product use were captured using codes from International Classification of Diseases, Ninth Revision, Clinical Modification, and International Statistical Classification of Diseases, Tenth Revision, Clinical Modification. Main Outcome and Measures: The main outcomes were infant and neonatal death, infants small for gestational age, and preterm delivery. Results were analyzed by multivariable Poisson regression models. Results: A total of 3 129 259 pregnant individuals were included (mean [SD] maternal age 29.3 [6.0] years), of whom 23 007 (0.7%) had a cannabis-related diagnosis, 56 811 (1.8%) had a nicotine-use diagnosis, and 10 312 (0.3%) had both in pregnancy. Compared with nonusers, those with cannabis or nicotine use diagnoses alone had increased rates of infant (0.7% for both) and neonatal (0.3% for both) death, small for gestational age (14.3% and 13.7%, respectively), and preterm delivery (<37 weeks) (12.2% and 12.0%, respectively). Moreover, risks in those with both cannabis and nicotine use were higher for infant death (1.2%; adjusted risk ratio [ARR], 2.18 [95% CI, 1.82-2.62]), neonatal death (0.6%; ARR, 1.76 [95% CI, 1.36-2.28]), small for gestational age (18.0%; ARR, 1.94 [95% CI, 1.86-2.02]), and preterm delivery (17.5%; ARR, 1.83 [95% CI, 1.75-1.91]). Conclusions and Relevance: These findings suggest that co-occurring maternal use of cannabis and nicotine products in pregnancy is associated with an increased risk of infant and neonatal death and maternal and neonatal morbidity compared with use of either substance alone. Given the increasing prevalence of combined cannabis and nicotine use in pregnancy, these findings can help guide health care practitioners with preconception and prenatal counseling, especially regarding the benefits of cessation.


Assuntos
Nicotina , Efeitos Tardios da Exposição Pré-Natal , Humanos , Feminino , Gravidez , Recém-Nascido , Adulto , Estudos Retrospectivos , Nicotina/efeitos adversos , California/epidemiologia , Efeitos Tardios da Exposição Pré-Natal/epidemiologia , Nascimento Prematuro/epidemiologia , Recém-Nascido Pequeno para a Idade Gestacional , Resultado da Gravidez/epidemiologia , Lactente , Cannabis/efeitos adversos , Adulto Jovem
3.
Healthc Policy ; 19(3): 29-32, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-38721731

RESUMO

When Canada created a legal market for cannabis, it gave priority to public health by restricting marketing using branding and promotion via social and other media sources. These restrictions to protect the public from harmful use are under increasing pressure from the legal cannabis industry, which claims that they prevent them from outcompeting and replacing the illicit market. Public health advocates are reasonably concerned that these restrictions will not hold given our experience with alcohol, tobacco and gambling where governments' fiscal dependence on tax revenue favours the liberalization of regulation.


Assuntos
Saúde Pública , Impostos , Humanos , Canadá , Cannabis , Marketing
4.
J Pharm Biomed Anal ; 245: 116181, 2024 Aug 01.
Artigo em Inglês | MEDLINE | ID: mdl-38723555

RESUMO

Hemp-sprouts are emerging as a new class of attractive functional food due to their numerous health benefits when compared to other sprout species. Indeed, the high content of beneficial components including polyphenols and flavonoids makes this type of food a promising and successful market. However, the available literature on this topic is limited and often conflicting as regards to the content of phytocannabinoids. High-performance liquid chromatography coupled to high-resolution mass spectrometry (HPLC-HRMS) was applied in an untargeted metabolomics fashion to extracts of hemp seeds, sprouts and microgreens of nine different genotypes. Both unsupervised and supervised multivariate statistical analysis was performed to reveal variety-specific profiles of phytocannabinoids with surprisingly remarkable levels of phytocannabinoids even in chemotype V samples. Furthermore, a targeted HPLC-HRMS analysis was carried out for the quantitative determination of the major phytocannabinoids including CBDA, CBD, CBGA, CBG, CBCA, CBC, THCA, and trans-Δ9-THC. The last part of the study was focused on the evaluation of the enantiomeric composition of CBCA in hemp seeds, sprouts and microgreens in the different varieties by HPLC-CD (HPLC with online circular dichroism). Chiral analysis of CBCA showed a wide variability of its enantiomeric composition in the different varieties, thus contributing to the understanding of the intriguing stereochemical behavior of this compound in an early growth stage. However, further investigation is needed to determine the genetic factors responsible for the low enantiopurity of this compound.


Assuntos
Cannabis , Sementes , Cannabis/química , Cannabis/crescimento & desenvolvimento , Sementes/química , Cromatografia Líquida de Alta Pressão/métodos , Canabinoides/análise , Canabinoides/química , Extratos Vegetais/química , Extratos Vegetais/análise , Espectrometria de Massas/métodos , Metabolômica/métodos , Estereoisomerismo , Dicroísmo Circular/métodos
5.
Molecules ; 29(9)2024 May 01.
Artigo em Inglês | MEDLINE | ID: mdl-38731588

RESUMO

Hemp (Cannabis sativa L.) has experienced a significant resurgence in popularity, and global interest in diversifying its use in various industries, including the food industry, is growing. Therefore, due to their exceptional nutritional value, hemp seeds have recently gained increasing interest as a valuable ingredient for obtaining high-quality foods and dietary supplements. Hemp seeds stand out for their remarkable content of quality proteins, including edestin and albumin, two distinct types of proteins that contribute to exceptional nutritional value. Hemp seeds are also rich in healthy lipids with a high content of polyunsaturated fatty acids, such as linoleic acid (omega-6), alpha-linolenic acid (omega-3), and some vitamins (vitamins E, D, and A). Polyphenols and terpenoids, in particular, present in hemp seeds, provide antimicrobial, antioxidant, and anti-inflammatory properties. This review examines the scientific literature regarding hemp seeds' physicochemical and nutritional characteristics. The focus is on those characteristics that allow for their use in the food industry, aiming to transform ordinary food products into functional foods, offering additional benefits for the body's health. Innovating opportunities to develop healthy, nutritionally superior food products are explored by integrating hemp seeds into food processes, promoting a balanced and sustainable diet.


Assuntos
Cannabis , Alimento Funcional , Sementes , Cannabis/química , Sementes/química , Alimento Funcional/análise , Valor Nutritivo , Antioxidantes/farmacologia , Antioxidantes/química , Humanos , Extratos Vegetais/química
6.
Sci Rep ; 14(1): 11053, 2024 05 14.
Artigo em Inglês | MEDLINE | ID: mdl-38744900

RESUMO

This study investigated the influence of polyunsaturated fatty acid composition and vitamin E supplementation on oxidative status and immune responses in weanling piglets pre- and post-E. coli challenge. Suckling piglets (n = 24) were randomly selected from two litters for an oral supplementation (1 mL/day) with fish oil or hemp oil and vitamin E supplementation (60 mg natural vitamin E/mL oil) from day 10 to 28 of age. At day 29 and 30 of age, each piglet was orally inoculated with 6.7 × 108 and 3.96 × 108 CFU of F4 and F18 E. coli, respectively. Blood was sampled from all piglets on day 28 before E. coli challenge and on day 35 of age to investigate immunological and oxidative stress markers in plasma. One week after weaning and exposure to E. coli, a general reduction in the α-tocopherol concentration and activity of GPX1 was obtained. Vitamin E supplementation lowered the extent of lipid peroxidation and improved the antioxidative status and immune responses after E. coli challenge. Hemp oil had the greatest effect on antioxidant enzyme activity. Provision of hemp oil and vitamin E to suckling piglets may reduce the incidence of post-weaning diarrhea.


Assuntos
Cannabis , Suplementos Nutricionais , Infecções por Escherichia coli , Escherichia coli , Óleos de Peixe , Oxirredução , Vitamina E , Animais , Vitamina E/farmacologia , Suínos , Óleos de Peixe/farmacologia , Óleos de Peixe/administração & dosagem , Cannabis/química , Oxirredução/efeitos dos fármacos , Infecções por Escherichia coli/imunologia , Infecções por Escherichia coli/veterinária , Infecções por Escherichia coli/tratamento farmacológico , Infecções por Escherichia coli/prevenção & controle , Antioxidantes/farmacologia , Antioxidantes/metabolismo , Estresse Oxidativo/efeitos dos fármacos , Desmame , Peroxidação de Lipídeos/efeitos dos fármacos , Doenças dos Suínos/microbiologia , Doenças dos Suínos/imunologia , Doenças dos Suínos/prevenção & controle , Doenças dos Suínos/tratamento farmacológico
7.
PeerJ ; 12: e17317, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38699183

RESUMO

Background: Thailand recently decriminalized (de facto legalized) cannabis use and sales. However, nationally representative data are scarce with regard to cannabis use behaviors and its association with cannabis outlet density. The objectives of this study are: (1) to describe the prevalence of cannabis use behaviors and cannabis use disorder among the general adult population of Thailand; (2) to describe the extent that the density of cannabis outlets is associated with cannabis use behaviors, cannabis use disorder, and the amount of cannabis smoked per day. Methods: We conducted a community-based cross-sectional study in 11 provinces and the Bangkok Metropolitan Area. Participants were residents of sampled communities aged 20 years or older. We requested literate participants to self-administer the questionnaire and interviewed participants who could not read. We analyzed data using descriptive statistics with sampling weight adjustments and multivariate logistic regression analyses. Results: The prevalence of current cannabis use was 15 percent. At a 400-m radius, participants who reported three cannabis outlets had 4.2 times higher odds of being current users than participants who reported no outlet (Adjusted OR = 4.82; 95% CI [3.04-7.63]). We found no association between outlet density and hazardous cannabis use or cannabis use disorder, nor association with the amount of cannabis use among cannabis smokers. Discussion and Conclusion: The patterns of association between outlet density and cannabis use behaviors were inconsistent. Furthermore, limitations regarding outlet density measurement and lack of temporality should be considered as caveats in the interpretation of the study findings.


Assuntos
Comércio , Abuso de Maconha , Humanos , Tailândia/epidemiologia , Masculino , Feminino , Adulto , Estudos Transversais , Prevalência , Pessoa de Meia-Idade , Comércio/estatística & dados numéricos , Abuso de Maconha/epidemiologia , Adulto Jovem , Cannabis , Inquéritos e Questionários , Fumar Maconha/epidemiologia , Uso da Maconha/epidemiologia
9.
Mayo Clin Proc ; 99(4): 542-550, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38569809

RESUMO

OBJECTIVE: To assess the use of cannabis as a symptom management strategy for patients with fibromyalgia. PATIENTS AND METHODS: An electronic, cross-sectional survey was conducted among patients diagnosed with fibromyalgia and treated in Integrative Medicine & Health at Mayo Clinic, Rochester, Minnesota. The survey was constructed with the Symptom Management Theory tool and was sent anonymously via web-based software to patients with a diagnosis of fibromyalgia. RESULTS: Of 5234 patients with fibromyalgia sent the online survey, 1336 (25.5%) responded and met the inclusion criteria. Survey respondents had a median age of 48 (Q1-Q3: 37.5-58.0) years, and most identified as female. Nearly half of respondents (49.5%, n=661) reported cannabis use since their fibromyalgia diagnosis. The most common symptoms for which respondents reported using cannabis were pain (98.9%, n=654); fatigue (96.2%; n=636); stress, anxiety, or depression (93.9%; n=621); and insomnia (93.6%; n=619). Improvement in pain symptoms with cannabis use was reported by 82.0% (n=536). Most cannabis-using respondents reported that cannabis also improved symptoms of stress, anxiety, and depression and of insomnia. CONCLUSION: Considering that cannabis is a popular choice among patients for managing fibromyalgia symptoms, clinicians should have adequate knowledge of cannabis when discussing therapeutic options for fibromyalgia with their patients.


Assuntos
Cannabis , Fibromialgia , Distúrbios do Início e da Manutenção do Sono , Humanos , Feminino , Adulto , Pessoa de Meia-Idade , Fibromialgia/diagnóstico , Fibromialgia/terapia , Estudos Transversais , Distúrbios do Início e da Manutenção do Sono/diagnóstico , Distúrbios do Início e da Manutenção do Sono/etiologia , Distúrbios do Início e da Manutenção do Sono/terapia , Dor , Inquéritos e Questionários
10.
BMC Public Health ; 24(1): 992, 2024 Apr 09.
Artigo em Inglês | MEDLINE | ID: mdl-38594675

RESUMO

BACKGROUND: Chronic use of cannabis is associated with an increased risk of psychosocial, mental and physical health impairments. Sociohealth institutions reach a very limited proportion of cannabis users in need of treatment. Using data collected from festival attendees, this study aimed to estimate the prevalence of dependent cannabis users and to characterize cannabis dependence. METHODS: We used data from the cross-sectional OCTOPUS survey carried out at 13 music events in the French department of Loire-Atlantique between July 2017 and July 2018. 383 participants aged 18 or older underwent a face-to-face interview about their basic sociodemographics, tobacco use, alcohol use and past-year substance use. Using the Diagnostic and Statistical Manual of Mental Disorders, 4th Edition (DSM-IV) criteria, we estimated the prevalence of dependent cannabis users and characterized their dependence. RESULTS: More than two-thirds of participants reported that they had used cannabis in the past 12 months. Among 194 regular cannabis users (at least monthly), 63.4% were dependent. At least 40% of regular users reported health and/or social consequences of cannabis use. Compared to nondependent cannabis users, dependent cannabis users were more likely to be stimulant users and hallucinogen users. CONCLUSIONS: Dependent cannabis use is common among festival attendees, especially among stimulant or hallucinogen users. Festival settings may be important arenas for i) implementing efficient harm reduction measures to prevent dependence and ii) providing information on care structures and promoting the use of care to dependent users. In addition, healthcare professionals should be aware of trends in polysubstance use among dependent cannabis users.


Assuntos
Cannabis , Alucinógenos , Abuso de Maconha , Transtornos Relacionados ao Uso de Substâncias , Humanos , Estudos Transversais , Férias e Feriados , Transtornos Relacionados ao Uso de Substâncias/psicologia , Abuso de Maconha/epidemiologia
11.
Acute Med ; 23(1): 43-45, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38619169

RESUMO

This case report describes an atypical small bowel obstruction in a 71- years old cannabis user and how point-of-care of ultrasound (PoCUS) helped to its management by further orientating the physician toward the bowel obstruction etiology, namely intussusception. Intussusception is the invagination of an intestinal segment into the adjacent segment. The acute clinical presentation of intussusception often has non-specific symptoms, and the diagnosis can be challenging. While the most common etiology is neoplasm, intussusception also occurs in bowel motility disorder such as after cannabis use. Although this case report illustrates intussusception PoCUS findings, these should nevertheless be integrated into the clinical picture and CT-scan should remain the gold standard complementary examination in case of a suspected bowel obstruction.


Assuntos
Cannabis , Intussuscepção , Médicos , Humanos , Idoso , Intussuscepção/diagnóstico por imagem , Intussuscepção/etiologia , Sistemas Automatizados de Assistência Junto ao Leito , Testes Imediatos
12.
Molecules ; 29(7)2024 Mar 31.
Artigo em Inglês | MEDLINE | ID: mdl-38611847

RESUMO

Central and peripheral mechanisms of the endocannabinoid system (ECS) favor energy intake and storage. The ECS, especially cannabidiol (CBD) receptors, controls adipocyte differentiation (hyperplasia) and lipid accumulation (hypertrophy) in adipose tissue. In white adipose tissue, cannabidiol receptor 1 (CB1) stimulation increases lipogenesis and inhibits lipolysis; in brown adipose tissue, it decreases mitochondrial thermogenesis and biogenesis. This study compared the availability of phytocannabinoids [CBD and Δ9-tetrahydrocannabinol (THC)] and polyunsaturated fatty acids [omega 3 (ω3) and omega 6 (ω6)] in different hemp seed oils (HSO). The study also examined the effect of HSO on adipocyte lipid accumulation by suppressing cannabinoid receptors in adipogenesis-stimulated human mesenchymal stem cells (hMSCs). Most importantly, Oil-Red-O' and Nile red tests showed that HSO induced adipogenic hMSC differentiation without differentiation agents. Additionally, HSO-treated cells showed increased peroxisome proliferator-activated receptor gamma (PPARγ) mRNA expression compared to controls (hMSC). HSO reduced PPARγ mRNA expression after differentiation media (DM) treatment. After treatment with HSO, DM-hMSCs had significantly lower CB1 mRNA and protein expressions than normal hMSCs. HSO treatment also decreased transient receptor potential vanilloid 1 (TRPV1), fatty acid amide hydrolase (FAAH), and monoacylglycerol lipase (MGL) mRNAs in hMSC and DM-hMSCs. HSO treatment significantly decreased CB1, CB2, TRPV1, and G-protein-coupled receptor 55 (GPCR55) protein levels in DM-hMSC compared to hMSC in western blot analysis. In this study, HSO initiated adipogenic differentiation in hMSC without DM, but it suppressed CB1 gene and protein expression, potentially decreasing adipocyte lipid accumulation and lipogenic enzymes.


Assuntos
Canabidiol , Canabinoides , Cannabis , Células-Tronco Mesenquimais , Extratos Vegetais , Humanos , Canabinoides/farmacologia , Canabidiol/farmacologia , PPAR gama , Endocanabinoides , Tecido Adiposo Marrom , RNA Mensageiro
13.
Health Promot Chronic Dis Prev Can ; 44(4): 179-190, 2024 Apr.
Artigo em Inglês, Francês | MEDLINE | ID: mdl-38597806

RESUMO

INTRODUCTION: Research characterizing substance use disparities between gender minority youth (GMY) and non-GMY (i.e. girls and boys) is limited. The aim of this study was to examine the differences in substance use behaviours among gender identity (GI) groups and identify associated risk and protective factors. METHODS: Cross-sectional data from Canadian secondary school students (n = 42 107) that participated in Year 8 (2019/20) or Year 9 (2020/21) of the COMPASS study were used. Hierarchal logistic regression models estimated current substance use (cigarettes, e-cigarettes, binge drinking, cannabis and nonmedical prescription opioids [NMPOs]). Predictor variables included sociodemographics, other substances, mental health outcomes, school connectedness, bullying and happy home life. Interaction terms were used to test mental health measures as moderators in the association between GI and substance use. RESULTS: Compared to non-GMY, GMY reported a higher prevalence for all substance use outcomes. In the adjusted analyses, GMY had higher odds of cigarette, cannabis and NMPO use and lower odds for e-cigarette use relative to non-GMY. The likelihood of using any given substance was higher among individuals who were involved with other substances. School connectedness and happy home life had a protective effect for all substances except binge drinking. Bullying victimization was associated with greater odds of cigarette, e-cigarette use and NMPOs. Significant interactions between GI and all mental health measures were detected. CONCLUSION: Findings highlight the importance of collecting a GI measure in youth population surveys and prioritizing GMY in substance use-related prevention, treatment and harm reduction programs. Future studies should investigate the effects of GI status on substance use onset and progression among Canadian adolescents over time.


Assuntos
Consumo Excessivo de Bebidas Alcoólicas , Cannabis , Sistemas Eletrônicos de Liberação de Nicotina , Humanos , Adolescente , Feminino , Masculino , Estudos Transversais , Consumo Excessivo de Bebidas Alcoólicas/epidemiologia , Canadá/epidemiologia , Identidade de Gênero , Analgésicos Opioides
14.
Methods Mol Biol ; 2787: 245-253, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38656494

RESUMO

To properly assess promoter activity, which is critical for understanding biosynthetic pathways in different plant species, we use agroinfiltration-based transient gene expression assay. We compare the activity of several known promoters in Nicotiana benthamiana with their activity in Cannabis sativa (both hemp and medicinal cannabis), which has attracted much attention in recent years for its industrial, medicinal, and recreational properties. Here we describe an optimized protocol for transient expression in Cannabis combined with a ratiometric GUS reporter system that allows more accurate evaluation of promoter activity and reduces the effects of variable infiltration efficiency.


Assuntos
Cannabis , Regulação da Expressão Gênica de Plantas , Nicotiana , Plantas Geneticamente Modificadas , Regiões Promotoras Genéticas , Cannabis/genética , Cannabis/metabolismo , Nicotiana/genética , Nicotiana/metabolismo , Plantas Geneticamente Modificadas/genética , Genes Reporter , Expressão Gênica/genética , Glucuronidase/genética , Glucuronidase/metabolismo
15.
Int J Mol Sci ; 25(8)2024 Apr 18.
Artigo em Inglês | MEDLINE | ID: mdl-38674023

RESUMO

Cisplatin and other platinum-derived chemotherapy drugs have been used for the treatment of cancer for a long time and are often combined with other medications. Unfortunately, tumours often develop resistance to cisplatin, forcing scientists to look for alternatives or synergistic combinations with other drugs. In this work, we attempted to find a potential synergistic effect between cisplatin and cannabinoid delta-9-THC, as well as the high-THC Cannabis sativa extract, for the treatment of HT-29, HCT-116, and LS-174T colorectal cancer cell lines. However, we found that combinations of the high-THC cannabis extract with cisplatin worked antagonistically on the tested colorectal cancer cell lines. To elucidate the mechanisms of drug interactions and the distinct impacts of individual treatments, we conducted a comprehensive transcriptomic analysis of affected pathways within the colorectal cancer cell line HT-29. Our primary objective was to gain a deeper understanding of the underlying molecular mechanisms associated with each treatment modality and their potential interactions. Our findings revealed an antagonistic interaction between cisplatin and high-THC cannabis extract, which could be linked to alterations in gene transcription associated with cell death (BCL2, BAD, caspase 10), DNA repair pathways (Rad52), and cancer pathways related to drug resistance.


Assuntos
Cannabis , Cisplatino , Neoplasias Colorretais , Dronabinol , Extratos Vegetais , Transcriptoma , Humanos , Cisplatino/farmacologia , Neoplasias Colorretais/tratamento farmacológico , Neoplasias Colorretais/genética , Neoplasias Colorretais/metabolismo , Dronabinol/farmacologia , Cannabis/química , Extratos Vegetais/farmacologia , Transcriptoma/efeitos dos fármacos , Regulação Neoplásica da Expressão Gênica/efeitos dos fármacos , Linhagem Celular Tumoral , Antineoplásicos/farmacologia , Células HT29 , Perfilação da Expressão Gênica/métodos , Resistencia a Medicamentos Antineoplásicos/efeitos dos fármacos , Resistencia a Medicamentos Antineoplásicos/genética , Apoptose/efeitos dos fármacos
16.
Int J Mol Sci ; 25(7)2024 Apr 03.
Artigo em Inglês | MEDLINE | ID: mdl-38612793

RESUMO

The evolution of regulatory perspectives regarding the health and nutritional properties of industrial hemp-based products (Cannabis sativa L.) has pushed research to focus on the development of new methods for both the extraction and formulation of the bioactive compounds present in hemp extracts. While the psychoactive and medicinal properties of hemp-derived cannabinoid extracts are well known, much less has been investigated on the functional and antimicrobial properties of hemp extracts. Within the hemp value chain, various agricultural wastes and by-products are generated. These materials can be valorised through eco-innovations, ultimately promoting sustainable economic development. In this study, we explored the use of waste from industrial light cannabis production for the extraction of bioactive compounds without the addition of chemicals. The five extracts obtained were tested for their antimicrobial activity on both planktonic and sessile cells of pathogenic strains of the Candida albicans, Candida parapsilosis, and Candida tropicalis species and for their antioxidant activity on HT-29 colon cancer cells under oxidative stress. Our results demonstrated that these extracts display interesting properties both as antioxidants and in hindering the development of fungal biofilm, paving the way for further investigations into the sustainable valorisation of hemp waste for different biomedical applications.


Assuntos
Anti-Infecciosos , Cannabis , Neoplasias do Colo , Candida , Antioxidantes/farmacologia , Aderências Teciduais , Biofilmes , Resíduos Industriais
17.
J Photochem Photobiol B ; 254: 112902, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38569457

RESUMO

The effect of low artificial Ultraviolet (UV) on the DNA methylation remains controversial. This study addresses how differential photoperiods of UV radiation affect the biochemical and molecular behaviors of Cannabis indica cell suspension cultures. The cell suspensions were illuminated with the compact fluorescent lamps (CFL), emitting a combination of 10% UVB, 30% UVA, and the rest visible wavelengths for 0, 4, 8, and 16 h. The applied photoperiods influenced cell morphological characteristics. The 4 h photoperiod was the most effective treatment for improving biomass, growth index and cell viability percentage while these indices remained non-significant in the 16 h treatment. The methylation-sensitive amplified polymorphism (MASP) assay revealed that the UV radiation was epigenetically accompanied by DNA hypermethylation. The light-treated cells significantly displayed higher relative expression of the cannabidiolic| acid synthase (CBDAS) and delta9-tetrahydrocannabinolic acid synthase (THCAS) genes about 4-fold. The expression of the olivetolic acid cyclase (OAC) and olivetol synthase (OLS) genes exhibited an upward trend in response to the UV radiation. The light treatments also enhanced the proline content and protein concentration. The 4 h illumination was significantly capable of improving the cannabidiol (CBD) and delta-9-tetrahydrocannabinol (THC) concentrations, in contrast with 16 h. By increasing the illumination exposure time, the activity of the phenylalanine ammonia-lyase (PAL) enzyme linearly upregulated. The highest amounts of the phenylpropanoid derivatives were observed in the cells cultured under the radiation for 4 h. Taken collective, artificial UV radiation can induce DNA methylation modifications and impact biochemical and molecular differentiation in the cell suspensions in a photoperiod-dependent manner.


Assuntos
Canabinoides , Cannabis , Cannabis/genética , Cannabis/química , Canabinoides/farmacologia , Dronabinol/farmacologia , Metilação de DNA , Raios Ultravioleta , Proliferação de Células
18.
Pak J Biol Sci ; 27(3): 119-124, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38686733

RESUMO

<b>Background and Objective:</b> A new strain of cannabis, <i>Cannabis sativa</i> L. Tanao Si Kan Dang RD1, has been approved and registered by the Rajamangala University of Technology Isan, Thailand. The <i>C. sativa</i> is acknowledged for its medicinal properties which demonstrated various therapeutic properties, such as anti-cancer and antibacterial activities. This study aimed to investigate the antibacterial activity of ethanolic extracts from the stems and leaves of the Tanao Si Kan Dang RD1 strain against seven antibiotic-resistant bacteria. <b>Materials and Methods:</b> The primary antibacterial activity of ethanolic Tanao Si Kan Dang RD1 extracts were determined using the disc diffusion method, while the minimum inhibitory concentrations (MICs) and minimum bactericidal concentrations (MBCs) were determined using the broth microdilution method. <b>Results:</b> The largest inhibition zone, measuring 12 mm, was observed in leaf extracts against <i>Pseudomonas aeruginosa</i> 101. The lowest MIC, at 0.78 mg/mL, was obtained from stem extracts against <i>Stenotrophomonas maltophilia</i>. The lowest MBCs, at 12.5 mg/mL, were observed in leaf extracts against <i>Enterococcus faecalis</i>, <i>Acinetobacter baumannii</i>, multidrug-resistant <i>Klebsiella</i> <i>pneumoniae</i>, <i>Stenotrophomonas maltophilia</i> and <i>Pseudomonas aeruginosa</i> 101 and stem extracts against <i>Acinetobacter baumannii</i>, multidrug-resistant <i>Klebsiella pneumoniae</i>, <i>Stenotrophomonas maltophilia</i> and <i>Pseudomonas aeruginosa</i> 101. <b>Conclusion:</b> This study presents a novel finding regarding the antibacterial activity of ethanolic extracts from the leaves and stems of Tanao Si Kan Dang RD1 against antibiotic-resistant bacteria. The potential application of these cannabis plant extracts in the development of antibiotics capable of combating antibiotic-resistant pathogenic bacteria represents a promising strategy to address a significant global health concern.


Assuntos
Antibacterianos , Cannabis , Testes de Sensibilidade Microbiana , Extratos Vegetais , Extratos Vegetais/farmacologia , Extratos Vegetais/química , Antibacterianos/farmacologia , Cannabis/química , Humanos , Bactérias/efeitos dos fármacos , Bactérias/crescimento & desenvolvimento , Folhas de Planta/química , Etanol/química , Farmacorresistência Bacteriana/efeitos dos fármacos , Caules de Planta/química
19.
Addict Behav ; 153: 107999, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38452424

RESUMO

PURPOSE: This study investigated whether adult use marijuana sales were associated with changes in lifetime and past 30-day (P30D) marijuana use among middle school students in Nevada (NV), which had adult-use marijuana sales during the study period, compared to New Mexico (NM), which did not have adult-use marijuana sales during the study period. METHODS: Data were drawn from the middle school 2017 and 2019 NV Youth Risk Behavior and NM Youth Risk and Resiliency Surveys. Difference-in-difference analyses compare changes in lifetime and P30D marijuana use in NV (adult-use sales implemented July 2017) vs. NM (no adult-use sales during the study period). RESULTS: There was no difference in lifetime (aOR 1.11; 95% CI 0.91,1.36) and P30D (aOR 1.17; 95% CI 0.91,1.51) marijuana use by adult-use sales status. The odds of lifetime and P30D marijuana use increased in both states, particularly among students who were female, older, non-White, or attending a Title 1 school. DISCUSSION: Adult-use sales were not associated with an increase in lifetime or P30D marijuana use. State-level prevention efforts should focus on sub-populations with increasing lifetime and P30D use regardless of adult-use sales status.


Assuntos
Cannabis , Fumar Maconha , Uso da Maconha , Adolescente , Adulto , Humanos , Feminino , Masculino , Uso da Maconha/epidemiologia , Fumar Maconha/epidemiologia , Inquéritos e Questionários , Estudantes
20.
PLoS One ; 19(3): e0297163, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38530813

RESUMO

INTRODUCTION: Although the use of illicit drugs is common among young people, limited data exists on the use of illicit drugs among adolescent boys and young men (ABYM). We assessed the use of tobacco, marijuana and khat among ABYM to inform the design of harm-reduction interventions. METHODS: This secondary analysis uses data from a formative study conducted among 2,500 ABYM across the five divisions of Kampala between July and August 2020. Survey questions were adopted from the Global Youth Tobacco Survey and Global School-based Student Health Survey. We computed proportions of ABYM that had ever used any form of tobacco or marijuana or khat in the past year and the proportion that had used any of these products in the past 30 days (i.e. 'current users'). In a sub-group analysis, we assessed if any patterns existed between ABYM's use of illicit drugs and selected parental attention attributes. RESULTS: Of 2,500 ABYM, 47.3% (n = 1,182) were aged 15-19 years. Overall, 16.4% (n = 410) reported past-year use of tobacco products while 11.6% (n = 289) and 10.5% (n = 263) reported past-year use of marijuana and khat, respectively. Current use of any illicit drugs was higher among past-year khat (46%, n = 133) and marijuana users (36.9%, n = 97) than past-year tobacco users (4%, n = 17). Current use of any illicit drugs was higher among out-of-school than in-school ABYM and increased with increasing age and education levels. However, parental attention was lower among out-of-school than in-school ABYM and decreased with increasing age and education levels. CONCLUSION: Use of illicit drugs is common among ABYM and increased with age and education levels but parental attention among current illicit drug users decreased with increasing age and education levels. These findings suggest that interventions intended to improve parental attention among illicit drug users may help to reduce the prevalence of illicit drug use among ABYM.


Assuntos
Cannabis , Drogas Ilícitas , Transtornos Relacionados ao Uso de Substâncias , Adolescente , Humanos , Masculino , Pais , Transtornos Relacionados ao Uso de Substâncias/epidemiologia , Uso de Tabaco/epidemiologia , Uganda
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