Worldwide, there are plants known as psychoactive plants that naturally contain psychedelic active components. They have a high concentration of neuroprotective substances that can interact with the nervous system to produce psychedelic effects. Despite these plants' hazardous potential, recreational use of them is on the rise because of their psychoactive properties. Early neuroscience studies relied heavily on psychoactive plants and plant natural products (NPs), and both recreational and hazardous NPs have contributed significantly to the understanding of almost all neurotransmitter systems. Worldwide, there are many plants that contain psychoactive properties, and people have been using them for ages. Psychoactive plant compounds may significantly alter how people perceive the world.
1. Regul Toxicol Pharmacol. 2024 May;149:105597. doi: 10.1016/j.yrtph.2024.105597. Epub 2024 Mar 8. GARDskin dose-response assay and its application in conducting Quantitative Risk Assessment (QRA) for fragrance materials using a Next Generation Risk Assessment (NGRA) framework. Donthamsetty S(1), Forreryd A(2), Sterchele P(3), Huang X(3), Gradin R(2), Johansson H(2), Mattson U(2), Lee I(4), Api AM(4), Ladics G(5). Author information: (1)International Flavors & Fragrances, Hazlet, NJ, USA. Electronic address: shashi.donthamsetty@iff.com. (2)SenzaGen AB, Lund, Sweden. (3)International Flavors & Fragrances, Hazlet, NJ, USA. (4)Research Institute for Fragrance Materials, Mahwah, NJ, USA. (5)International Flavors & Fragrances, Wilmington, DE, USA. Electronic address: gregory.s.ladics@iff.com. Development of New Approach Methodologies (NAMs) capable of providing a No Expected Sensitization Induction Level (NESIL) value remains a high priority for the fragrance industry for conducting a Quantitative Risk Assesment (QRA) to evaluate dermal sensitization. The in vitro GARDskin assay was recently adopted by the OECD (TG 442E) for the hazard identification of skin sensitizers. Continuous potency predictions are derived using a modified protocol that incorporates dose-response measurements. Linear regression models have been developed to predict human NESIL values. The aim of the study was to evaluate the precision and reproducibility of the continuous potency predictions from the GARDskin Dose-Response (DR) assay and its application in conducting QRA for fragrance materials using a Next Generation Risk Assessment (NGRA) framework. Results indicated that the GARDskin Dose-Response model predicted human NESIL values with a good degree of concordance with published NESIL values, which were also reproducible in 3 separate experiments. Using Isocyclocitral as an example, a QRA was conducted to determine its safe use levels in different consumer product types using a NGRA framework. This study represents a major step towards the establishment of the assay to derive NESIL values for conducting QRA evaluations for fragrance materials using a NGRA framework. Copyright © 2024 The Authors. Published by Elsevier Inc. All rights reserved. DOI: 10.1016/j.yrtph.2024.105597 PMID: 38460723 [Indexed for MEDLINE] Conflict of interest statement: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. 2. Food Chem Toxicol. 2019 Dec;134 Suppl 1:110709. doi: 10.1016/j.fct.2019.110709. Epub 2019 Jul 29. RIFM fragrance ingredient safety assessment, isocyclocitral, CAS Registry number 1335-66-6. Api AM(1), Belmonte F(1), Belsito D(2), Biserta S(1), Botelho D(1), Bruze M(3), Burton GA Jr(4), Buschmann J(5), Cancellieri MA(1), Dagli ML(6), Date M(1), Dekant W(7), Deodhar C(1), Fryer AD(8), Gadhia S(1), Jones L(1), Joshi K(1), Lapczynski A(1), Lavelle M(1), Liebler DC(9), Na M(1), O'Brien D(1), Patel A(1), Penning TM(10), Ritacco G(1), Rodriguez-Ropero F(1), Romine J(1), Sadekar N(1), Salvito D(1), Schultz TW(11), Sipes IG(12), Sullivan G(13), Thakkar Y(1), Tokura Y(14), Tsang S(1). Author information: (1)Research Institute for Fragrance Materials, Inc., 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA. (2)Member RIFM Expert Panel, Columbia University Medical Center, Department of Dermatology, 161 Fort Washington Ave., New York, NY, 10032, USA. (3)Member RIFM Expert Panel, Malmo University Hospital, Department of Occupational & Environmental Dermatology, Sodra Forstadsgatan 101, Entrance 47, Malmo, SE, 20502, Sweden. (4)Member RIFM Expert Panel, School of Natural Resources & Environment, University of Michigan, Dana Building G110, 440 Church St., Ann Arbor, MI, 58109, USA. (5)Member RIFM Expert Panel, Fraunhofer Institute for Toxicology and Experimental Medicine, Nikolai-Fuchs-Strasse 1, 30625, Hannover, Germany. (6)Member RIFM Expert Panel, University of Sao Paulo, School of Veterinary Medicine and Animal Science, Department of Pathology, Av. Prof. dr. Orlando Marques de Paiva, 87, Sao Paulo, CEP, 05508-900, Brazil. (7)Member RIFM Expert Panel, University of Wuerzburg, Department of Toxicology, Versbacher Str. 9, 97078, Würzburg, Germany. (8)Member RIFM Expert Panel, Oregon Health Science University, 3181 SW Sam Jackson Park Rd., Portland, OR, 97239, USA. (9)Member RIFM Expert Panel, Vanderbilt University School of Medicine, Department of Biochemistry, Center in Molecular Toxicology, 638 Robinson Research Building, 2200 Pierce Avenue, Nashville, TN, 37232-0146, USA. (10)Member of RIFM Expert Panel, University of Pennsylvania, Perelman School of Medicine, Center of Excellence in Environmental Toxicology, 1316 Biomedical Research Building (BRB) II/III, 421 Curie Boulevard, Philadelphia, PA, 19104-3083, USA. (11)Member RIFM Expert Panel, The University of Tennessee, College of Veterinary Medicine, Department of Comparative Medicine, 2407 River Dr., Knoxville, TN, 37996- 4500, USA. (12)Member RIFM Expert Panel, Department of Pharmacology, University of Arizona, College of Medicine, 1501 North Campbell Avenue, P.O. Box 245050, Tucson, AZ, 85724-5050, USA. (13)Research Institute for Fragrance Materials, Inc., 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA. Electronic address: gsullivan@rifm.org. (14)Member RIFM Expert Panel, The Journal of Dermatological Science (JDS), Editor-in-Chief, Professor and Chairman, Department of Dermatology, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, 431-3192, Japan. DOI: 10.1016/j.fct.2019.110709 PMID: 31369852 [Indexed for MEDLINE] 3. Avicenna J Phytomed. 2017 Mar-Apr;7(2):145-156. Anti-carcinogenic and anti-angiogenic properties of the extracts of Acorus calamus on gastric cancer cells. Rahamooz Haghighi S(1), Asadi MH(2), Akrami H(3), Baghizadeh A(2). Author information: (1)Department of Plant Breeding, Faculty of Sciences and Modern Technologies, Graduate University of Advanced Technology, Kerman, Iran. (2)Department of Biotechnology, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran. (3)Department of Biology, Faculty of Science, Razi University, Kermanshah, Iran. OBJECTIVE: Acorus calamus (A. calamus) has been used as a medicinal plant in Asia for its effects on digestive system for the last 2000 years. To investigate the anti-cancer activity of rhizome of A. calamus, the ethanolic and methanolic extracts and essential oil of the rhizome were prepared and their effects were assessed on human gastric cancer cell line (AGS). MATERIALS AND METHODS: The viability of cells which were treated with the extracts and the essential oil was assessed by MTT assay. To evaluate the anti-angiogenic property of the extracts, in vitro tube formation assay was done. Cell cycle distribution and the expression of Oct4 and Nucleostemin, after treatments, were checked by flowcytometry and quantitative RT-PCR, respectively. Furthermore, analysis of essential oil from A.calamus was done by GC-MS. RESULTS: Our results showed that the growth of AGS cells was inhibited by the extracts and essential oil and the extracts inhibited the angiogenesis in HUVEC cells. Our data revealed that the extracts and essential oil of A. calamus caused G1 arrest in AGS cells and downregulation of Oct4 and NS after treatment. By GC-MS analysis, we found new compounds such as epiprezizaene, valencene and isocyclocitral in essential oil of A. CONCLUSION: All together, our results showed that the extracts of A. calamus have anti-proliferative and anti-angiogenic effects on cancer cells. PMCID: PMC5355820 PMID: 28348970 Conflict of interest statement: The authors have no conflicts of interest related to this article.