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Nuntawong P, Putalun W, Tanaka H, Morimoto S, Sakamoto S. Lateral flow immunoassay for small-molecules detection in phytoproducts: a review. J Nat Med 2022; 76:521-545. [PMID: 35171397 PMCID: PMC9165253 DOI: 10.1007/s11418-022-01605-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 01/29/2022] [Indexed: 11/10/2022]
Abstract
Phytoproducts are involved in various fields of industry. Small-molecule (Mw < 900 Da) organic compounds can be used to indicate the quality of plant samples in the perspective of efficacy by measuring the necessary secondary metabolites and in the perspective of safety by measuring the adulterant level of toxic compounds. The development of reliable detection methods for these compounds in such a complicated matrix is challenging. The lateral flow immunoassay (LFA) is one of the immunoassays well-known for its simplicity, portability, and rapidity. In this review, the general principle, components, format, and application of the LFA for phytoproducts are discussed.
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Affiliation(s)
- Poomraphie Nuntawong
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Waraporn Putalun
- Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen, 40002, Thailand
- Research Group for Pharmaceutical Activities of Natural Products Using Pharmaceutical Biotechnology (PANPB), National Research University-Khon Kaen, Khon Kaen, Thailand
| | - Hiroyuki Tanaka
- School of Pharmacy, Sanyo-Onoda City University, 1-1-1 Daigakudouri, Sanyo-onoda-shi, Yamaguchi, 756-0884, Japan
| | - Satoshi Morimoto
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Seiichi Sakamoto
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan.
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2
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Psychoactive Substances of Natural Origin: Toxicological Aspects, Therapeutic Properties and Analysis in Biological Samples. Molecules 2021; 26:molecules26051397. [PMID: 33807728 PMCID: PMC7961374 DOI: 10.3390/molecules26051397] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 02/28/2021] [Accepted: 03/02/2021] [Indexed: 12/14/2022] Open
Abstract
The consumption of new psychoactive substances (NPSs) has been increasing, and this problem affects several countries worldwide. There is a class of NPSs of natural origin, consisting of plants and fungi, which have a wide range of alkaloids, responsible for causing relaxing, stimulating or hallucinogenic effects. The consumption of some of these substances is prompted by religious beliefs and cultural reasons, making the legislation very variable or even ambiguous. However, the abusive consumption of these substances can present an enormous risk to the health of the individuals, since their metabolism and effects are not yet fully known. Additionally, NPSs are widely spread over the internet, and their appearance is very fast, which requires the development of sophisticated analytical methodologies, capable of detecting these compounds. Thus, the objective of this work is to review the toxicological aspects, traditional use/therapeutic potential and the analytical methods developed in biological matrices in twelve plant specimens (Areca catechu, Argyreia nervosa, Ayahuasca, Catha edulis, Datura stramonium, Lophophora williamsii, Mandragora officinarum, Mitragyna speciosa, Piper methysticum Forst, Psilocybe, Salvia divinorum and Tabernanthe iboga).
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Pharmacokinetics and Pharmacodynamics of Salvinorin A and Salvia divinorum: Clinical and Forensic Aspects. Pharmaceuticals (Basel) 2021; 14:ph14020116. [PMID: 33546518 PMCID: PMC7913753 DOI: 10.3390/ph14020116] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/26/2021] [Accepted: 01/29/2021] [Indexed: 01/13/2023] Open
Abstract
Salvia divinorum Epling and Játiva is a perennial mint from the Lamiaceae family, endemic to Mexico, predominantly from the state of Oaxaca. Due to its psychoactive properties, S. divinorum had been used for centuries by Mazatecans for divinatory, religious, and medicinal purposes. In recent years, its use for recreational purposes, especially among adolescents and young adults, has progressively increased. The main bioactive compound underlying the hallucinogenic effects, salvinorin A, is a non-nitrogenous diterpenoid with high affinity and selectivity for the κ-opioid receptor. The aim of this work is to comprehensively review and discuss the toxicokinetics and toxicodynamics of S. divinorum and salvinorin A, highlighting their psychological, physiological, and toxic effects. Potential therapeutic applications and forensic aspects are also covered in this review. The leaves of S. divinorum can be chewed, drunk as an infusion, smoked, or vaporised. Absorption of salvinorin A occurs through the oral mucosa or the respiratory tract, being rapidly broken down in the gastrointestinal system to its major inactive metabolite, salvinorin B, when swallowed. Salvinorin A is rapidly distributed, with accumulation in the brain, and quickly eliminated. Its pharmacokinetic parameters parallel well with the short-lived psychoactive and physiological effects. No reports on toxicity or serious adverse outcomes were found. A variety of therapeutic applications have been proposed for S. divinorum which includes the treatment of chronic pain, gastrointestinal and mood disorders, neurological diseases, and treatment of drug dependence. Notwithstanding, there is still limited knowledge regarding the pharmacology and toxicology features of S. divinorum and salvinorin A, and this is needed due to its widespread use. Additionally, the clinical acceptance of salvinorin A has been hampered, especially due to the psychotropic side effects and misuse, turning the scientific community to the development of analogues with better pharmacological profiles.
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Hernández-Alvarado RB, Madariaga-Mazón A, Ortega A, Martinez-Mayorga K. DARK Classics in Chemical Neuroscience: Salvinorin A. ACS Chem Neurosci 2020; 11:3979-3992. [PMID: 33164503 DOI: 10.1021/acschemneuro.0c00608] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Salvinorin A is the main bioactive compound in Salvia divinorum, an endemic plant with ancestral use by the inhabitants of the Mazateca mountain range (Sierra Mazateca) in Oaxaca, México. The main use of la pastora, as locally known, is in spiritual rites due to its extraordinary hallucinogenic effects. Being the first known nonalkaloidal opioid-mediated psychotropic molecule, salvinorin A set new research areas in neuroscience. The absence of a protonated amine group, common to all previously known opioids, results in a fast metabolism with the concomitant fast elimination and swift loss of activity. The worldwide spread and psychotropic effects of salvinorin A account for its misuse and classification as a drug of abuse. Consequently, salvinorin A and Salvia divinorum are now banned in many countries. Several synthetic efforts have been focused on the improvement of physicochemical and biological properties of salvinorin A: from total synthesis to hundreds of analogues. In this Review, we discuss the impact of salvinorin A in chemistry and neuroscience covering the historical relevance, isolation from natural sources, synthetic efforts, and pharmacological and safety profiles. Altogether, the chemistry behind and the taboo that encloses salvinorin A makes it one of the most exquisite naturally occurring drugs.
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Affiliation(s)
- R. Bruno Hernández-Alvarado
- Universidad Nacional Autónoma de México, Instituto de Química, Ciudad Universitaria, Ciudad de México, 04510 México
| | - Abraham Madariaga-Mazón
- Universidad Nacional Autónoma de México, Instituto de Química, Ciudad Universitaria, Ciudad de México, 04510 México
| | - Alfredo Ortega
- Universidad Nacional Autónoma de México, Instituto de Química, Ciudad Universitaria, Ciudad de México, 04510 México
| | - Karina Martinez-Mayorga
- Universidad Nacional Autónoma de México, Instituto de Química, Ciudad Universitaria, Ciudad de México, 04510 México
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Sakamoto S, Yusakul G, Tsuneura Y, Putalun W, Usui K, Miyamoto T, Tanaka H, Morimoto S. Sodium periodate-mediated conjugation of harringtonine enabling the production of a highly specific monoclonal antibody, and the development of a sensitive quantitative analysis method. Analyst 2018; 142:1140-1148. [PMID: 28304015 DOI: 10.1039/c6an02751b] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Harringtonine (HT) is a promising natural product that is mainly isolated from plants of the genus Cephalotaxus. Due to its remarkable antileukemic activities, HT has been utilized clinically in China for the treatment of acute promyelocytic leukemia (APL). No antibody that recognizes free HT has been reported to date due to the difficulty of preparing antigen conjugates in which haptens bind to a carrier protein. To overcome this difficulty, we focused on sodium periodate (NaIO4), which catalyzes unique oxidative reactions; the resulting conjugates enabled the production of a highly specific monoclonal antibody (MAb) against HT (MAb 1D2) and the establishment of an indirect competitive enzyme-linked immunosorbent assay (icELISA) for the determination of HT. Further analysis revealed that MAb 1D2 was produced by the HT3 (8-carbonyl HT)-based conjugate antigen; HT3 was synthesized by a NaIO4-mediated oxidative reaction. The minimum detectable concentration for HT in the icELISA system was found to be 0.76 ng mL-1, which is approximately 13 to 160 times more sensitive than a conventional HPLC system. Several validation analyses revealed that the icELISA using MAb 1D2 is sufficiently accurate, reliable, and sensitive to assess small amounts of HT in plant samples.
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Affiliation(s)
- Seiichi Sakamoto
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.
| | - Gorawit Yusakul
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.
| | - Yumi Tsuneura
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.
| | - Waraporn Putalun
- Department of Pharmacognosy, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Kazuteru Usui
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.
| | - Tomofumi Miyamoto
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.
| | - Hiroyuki Tanaka
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.
| | - Satoshi Morimoto
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.
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Roach JJ, Shenvi RA. A review of salvinorin analogs and their kappa-opioid receptor activity. Bioorg Med Chem Lett 2018; 28:1436-1445. [PMID: 29615341 PMCID: PMC5912166 DOI: 10.1016/j.bmcl.2018.03.029] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 03/09/2018] [Accepted: 03/12/2018] [Indexed: 12/23/2022]
Abstract
The plant metabolite salvinorin A potently and selectively agonizes the human kappa-opioid receptor, an emerging target for next-generation analgesics. Here we review analogs of the salvinorin chemotype and their effects on selectivity, affinity and potency. Extensive peripheral modifications using isolated salvinorin A have delivered a trove of SAR information. More deep-seated changes are now possible by advances in chemical synthesis.
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Affiliation(s)
- Jeremy J Roach
- Department of Chemistry, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Ryan A Shenvi
- Department of Chemistry, The Scripps Research Institute, La Jolla, CA 92037, USA.
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Huang A, Zhang L, Li W, Ma Z, Shuo S, Yao T. Controlled fluorescence quenching by antibody-conjugated graphene oxide to measure tau protein. ROYAL SOCIETY OPEN SCIENCE 2018; 5:171808. [PMID: 29765647 PMCID: PMC5936912 DOI: 10.1098/rsos.171808] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 03/09/2018] [Indexed: 05/31/2023]
Abstract
We report an ultrasensitive immunoassay for tau protein-a key marker of Alzheimer's disease. This sensing platform relies on graphene oxide (GO) surfaces conjugated with anti-human tau antibody to provide quantitative binding sites for the tau protein. The GO quenches standard fluorescein isothiocyanate labelled tau (tau-FITC) when tau protein and tau-FITC are both present and compete for the binding sites. This change in fluorescence signal can be used to quantitate tau protein. In contrast with traditional enzyme-linked immunosorbent assay (ELISA), our method does not require enzyme-linked secondary antibodies for protein recognition nor does it require an enzyme substrate for optical signal generation. This requires fewer reagents and has less systematic error than the antigen-antibody recognition steps in ELISA. Our method has a tau protein detection limit of 0.14 pmol ml-1 in buffer. This approach could be developed into a promising biosensor for the detection of tau protein and may be useful in the clinical diagnosis of tau-induced neurodegeneration syndromes.
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Affiliation(s)
- Ao Huang
- Authors for correspondence: Ao Huang e-mail:
| | | | | | | | - Shi Shuo
- Authors for correspondence: Shi Shuo e-mail:
| | - Tianming Yao
- Authors for correspondence: Tianming Yao e-mail:
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Paudel MK, Sakamoto S, Tanaka H, Morimoto S. An overview and comparison of a recombinant antigen-binding fragment and an antigen-binding fragment from a monoclonal antibody against wogonin glucuronide. J Nat Med 2017. [PMID: 28623444 DOI: 10.1007/s11418-017-1100-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Wogonin glucuronide (wogonin 7-O-β-D-glucuronide, Wgn) is widely recognized as a constituent of Scutellariae radix, which is used in Kampo medicines. Wgn has been used for both pharmacological (antifebrile uses and in detoxification) and research purposes. A recombinant antigen-binding fragment (rFab) and an antigen-binding fragment from a monoclonal antibody (mFab) against Wgn were constructed and used in an indirect competitive enzyme-linked immunosorbent assay (icELISA) in this study. The rFab and mFab against Wgn showed both activity and recognition against Wgn. The developed icELISA was validated as a quantitative analytical method to detect Wgn by testing both its utility and its reliability using multiple concentrations of Wgn from S. radix. This approach provides a more economic method to analyze and purify Kampo medicines.
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Affiliation(s)
- Madan Kumar Paudel
- Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Seiichi Sakamoto
- Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Hiroyuki Tanaka
- Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan.
| | - Satoshi Morimoto
- Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
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Paudel MK, Sakamoto S, Van Huy L, Tanaka H, Miyamoto T, Morimoto S. The effect of varying the peptide linker length in a single chain variable fragment antibody against wogonin glucuronide. J Biotechnol 2017; 251:47-52. [DOI: 10.1016/j.jbiotec.2017.04.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 03/23/2017] [Accepted: 04/03/2017] [Indexed: 12/27/2022]
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Paudel MK, Shirota O, Sakamoto S, Morimoto S, Tanaka H. An immunochromatographic assay for rapid etection of salvinorin A. J Immunoassay Immunochem 2017; 38:438-448. [PMID: 28475466 DOI: 10.1080/15321819.2017.1324797] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
We developed an immunochromatographic assay (ICA) that enables rapid analysis of salvinorin A (Sal A) in Salvia divinorum within 10 min. The result shows that no Sal A in other samples of Lamiaceae plants was detected, but it could recognize Sal A among other substances in complex samples. The main advantage of the ICA is its high performance in combination with low cost, simplicity, and speed. Our newly developed combined ICA/indirect competitive ELISA(icELISA) system enables analysis of large numbers of samples over short periods of time without cumbersome pretreatments in complex mixtures. This method can complement other instrumental analyses for salvinorins, and could be used to deter S. divinorum abuse.
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Affiliation(s)
- Madan Kumar Paudel
- a Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences , Kyushu University , Fukuoka , Japan
| | - Osamu Shirota
- b Department of Natural Product Chemistry, Graduate School of Pharmaceutical Sciences , Tokushima Bunri University , Kagawa , Japan
| | - Seiichi Sakamoto
- a Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences , Kyushu University , Fukuoka , Japan
| | - Satoshi Morimoto
- a Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences , Kyushu University , Fukuoka , Japan
| | - Hiroyuki Tanaka
- a Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences , Kyushu University , Fukuoka , Japan
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Soto-Restrepo V, Taborda-Ocampo G, Garzón-Méndez W. Salvinorina A: terpeno alucinógeno presente en Salvia divinorum Epling & Játiva. COLOMBIA FORENSE 2017. [DOI: 10.16925/cf.v4i1.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
Tema y alcance: el objetivo de esta revisión es presentar los estudios químicos que se han realizado sobre Salvia divinorum E&J en estos últimos años.
Características: desde la década de 1990 hasta hoy se ha incrementado la distribución y el uso de Salvia divinorum E&J para “fines recreativos”, debido a sus efectos alucinógenos y a su fácil acceso. Sus efectos en el organismo se han relacionado con las de otras sustancias como: delta-9-THC en la marihuana, DMT, LSD , MDMA, PCP y ketamina.
Hallazgos: las investigaciones químicas realizadas en otros países sobre Salvia divinorum E&J se enfocan en los procesos de extracción, determinación, cuantificación, análisis y biosíntesis de Salvinorina A, compuesto químico al cual se le atribuye la bioactividad de la planta. Este compuesto es considerado como uno de los alucinógenos más potentes de origen natural, además de ser química y estructuralmente único, puesto que fue el primer diterpeno conocido con actividad psicoactiva.
Conclusiones: la presente revisión encontró que en los últimos años las investigaciones químicas en Salvia divinorum E&J están enfocadas a través del uso de cromatografía de gases y cromatografía líquida en diversas matrices como hojas, sangre, orina y agua, con el fin de determinar la Salvinorina A y otros metabolitos presentes en la planta. En una de las investigaciones, comprobaron por RMN y HR-ESI-MS que la biosíntesis de Salvinorina A está dada por la ruta metabólica del ácido mevalónico y la ruta del metileritritol fosfato, las cuales corresponden a las rutas metabólicas para la biosíntesis de terpenos.
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Huang A, Li W, Shi S, Yao T. Quantitative Fluorescence Quenching on Antibody-conjugated Graphene Oxide as a Platform for Protein Sensing. Sci Rep 2017; 7:40772. [PMID: 28084438 PMCID: PMC5233999 DOI: 10.1038/srep40772] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Accepted: 12/09/2016] [Indexed: 02/05/2023] Open
Abstract
We created an immunosensing platform for the detection of proteins in a buffer solution. Our sensing platform relies on graphene oxide (GO) nanosheets conjugated with antibodies to provide quantitative binding sites for analyte proteins. When analyte proteins and standard fluorescein-labelled proteins are competing for the binding sites, the assay exhibits quantitative fluorescence quenching by GO for the fluorescein-labelled proteins as determined by the analyte protein concentration. Because of this mechanism, measured fluorescence intensity from unquenched fluorescein-labelled protein was shown to increase with an increasing analyte protein concentration. As an alternative to the conventional enzyme-linked immunosorbent assay (ELISA), our method does not require an enzyme-linked second antibody for protein recognition and the enzyme for optical signal measurement. Thus, it is beneficial with its low cost and fewer systematic errors caused by the series of antigen-antibody recognition steps in ELISA. Immune globulin G (IgG) was introduced as a model protein to test our method and our results showed that the limit of detection for IgG was 4.67 pmol mL-1 in the buffer solution. This sensing mechanism could be developed into a promising biosensor for the detection of proteins, which would broaden the spectrum of GO applications in both analytical biochemistry and clinical diagnosis.
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Affiliation(s)
- Ao Huang
- School of Chemical Science and Engineering, Tongji University, 1239 Siping Rd, Shanghai, 200092, PR China
| | - Weiwei Li
- School of Chemical Science and Engineering, Tongji University, 1239 Siping Rd, Shanghai, 200092, PR China
| | - Shuo Shi
- School of Chemical Science and Engineering, Tongji University, 1239 Siping Rd, Shanghai, 200092, PR China
| | - Tianming Yao
- School of Chemical Science and Engineering, Tongji University, 1239 Siping Rd, Shanghai, 200092, PR China
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Paudel MK, Sakamoto S, Huy LV, Tanaka H, Miyamoto T, Takano A, Morimoto S. Development of an immunoassay using an anti-wogonin glucuronide monoclonal antibody. J Immunoassay Immunochem 2016; 38:457-470. [PMID: 28027008 DOI: 10.1080/15321819.2016.1273236] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Wogonin 7-O-β-D-glucuronide (Wgn) is a bioactive flavone present in the dried root of Scutellaria baicalensis Georgi. To generate a monoclonal antibody (MAb) against Wgn, BALB/c mice injected with Wgn-bovine serum albumin yielded splenocytes that we fused with SP2/0 myeloma cells using the polyethylene glycol method. We obtained a hybridoma designated 315A that produced a MAb reactive to Wgn. The anti-Wgn MAb 315A was applied to an indirect competitive enzyme-linked immunosorbent assay (icELISA) to quantify Wgn. Subsequent validation revealed that icELISA using the 315A anti-Wgn MAb is an accurate and reliable method for the quantification of Wgn in S. baicalensis.
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Affiliation(s)
- Madan Kumar Paudel
- a Department of Pharmacognosy , Graduate School of Pharmaceutical Sciences, Kyushu University , Fukuoka , Japan
| | - Seiichi Sakamoto
- a Department of Pharmacognosy , Graduate School of Pharmaceutical Sciences, Kyushu University , Fukuoka , Japan
| | - Le Van Huy
- b Department of Natural Product Chemistry , Graduate School of Pharmaceutical Sciences, Kyushu University , Fukuoka , Japan
| | - Hiroyuki Tanaka
- a Department of Pharmacognosy , Graduate School of Pharmaceutical Sciences, Kyushu University , Fukuoka , Japan
| | - Tomofumi Miyamoto
- b Department of Natural Product Chemistry , Graduate School of Pharmaceutical Sciences, Kyushu University , Fukuoka , Japan
| | - Akihito Takano
- c Department of Plant Resources for Medicine , Graduate School of Pharmaceutical Sciences, Showa Pharmaceutical University , Tokyo , Japan
| | - Satoshi Morimoto
- a Department of Pharmacognosy , Graduate School of Pharmaceutical Sciences, Kyushu University , Fukuoka , Japan
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Mahendran R, Lim HA, Tan JYS, Chua SM, Winslow M. Salvia divinorum: An overview of the usage, misuse, and addiction processes. Asia Pac Psychiatry 2016; 8:23-31. [PMID: 26617400 DOI: 10.1111/appy.12225] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Accepted: 11/02/2015] [Indexed: 12/01/2022]
Abstract
Salvia divinorum, a sage plant with leaves that can produce a psychoactive high, has been used for hundreds of years for its psycho-mimetic effects in religious rituals in South America. Salvia has now become popular mainly with adolescents and young adults for the short-lived relatively pleasant experiences many consider a "legal high" and its ready availability through Internet purchases. The main (psycho)active compound in salvia is Salvinorin A, a potent κ-opioid agonist and although the short and long-term effects have not been examined in sufficient detail, it is widely believed to have low addictive potential and low toxicity. Recent findings, however, seem to suggest that Salvinorin A can precipitate psychiatric symptoms and negatively affect cognition. Its ready availability and increasingly widespread use requires clinicians to have knowledge and awareness of its effects.
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Affiliation(s)
- Rathi Mahendran
- Department of Psychological Medicine, National University of Singapore, Singapore.,Department of Psychological Medicine, National University Hospital, Singapore.,Duke-NUS Graduate Medical School, Singapore
| | - Haikel A Lim
- Department of Psychological Medicine, National University of Singapore, Singapore
| | - Joyce Y S Tan
- Department of Psychological Medicine, National University of Singapore, Singapore
| | - Shi Min Chua
- Department of Psychological Medicine, National University of Singapore, Singapore
| | - Munidasa Winslow
- Department of Psychological Medicine, National University of Singapore, Singapore
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Fujii S, Morinaga O, Uto T, Nomura S, Shoyama Y. Development of Double Eastern Blotting for Major Licorice Components, Glycyrrhizin and Liquiritin for Chemical Quality Control of Licorice Using anti-Glycyrrhizin and anti-Liquiritin Monoclonal Antibodies. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:1087-1093. [PMID: 26765784 DOI: 10.1021/acs.jafc.5b04732] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Licorice is utilized in various food industries around the world for seasoning agents, confectioneries, drinks, and functional foods. Glycyrrhizin (GL) and liquiritin (Liq) are major quality control chemical markers of licorice that have multifunctional bioactivities. Chemical quality control of licorice is important because its component profiles change depending environmental factors (climate, soil condition, and water deficit) and differences between species. Double eastern blotting using anti-GL and anti-Liq monoclonal antibodies was developed for more convenient, rapid, and specific quality control analysis of GL and Liq, respectively. Moreover, double eastern blotting was applied to investigate the immunohistochemical distributions of GL and Liq in the root of fresh licorice; the localization of both components was then clarified visually. This double eastern blotting technique for GL and Liq may serve as a powerful approach for visually determining the chemical quality of licorice.
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Affiliation(s)
- Shunsuke Fujii
- Department of Health and Nutrition, Faculty of Health Management, Nagasaki International University , 2825-7 Huis Ten Bosch, Sasebo, 859-3298 Japan
| | - Osamu Morinaga
- Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences, Nagasaki International University , 2825-7 Huis Ten Bosch, Sasebo, 859-3298 Japan
| | - Takuhiro Uto
- Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences, Nagasaki International University , 2825-7 Huis Ten Bosch, Sasebo, 859-3298 Japan
| | - Shuichi Nomura
- Department of Health and Nutrition, Faculty of Health Management, Nagasaki International University , 2825-7 Huis Ten Bosch, Sasebo, 859-3298 Japan
| | - Yukihiro Shoyama
- Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences, Nagasaki International University , 2825-7 Huis Ten Bosch, Sasebo, 859-3298 Japan
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16
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Smith JP, Sutcliffe OB, Banks CE. An overview of recent developments in the analytical detection of new psychoactive substances (NPSs). Analyst 2016; 140:4932-48. [PMID: 26031385 DOI: 10.1039/c5an00797f] [Citation(s) in RCA: 88] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
New psychoactive substances (NPSs), sometimes referred to as "legal highs" in more colloquial environments/the media, are a class of compounds that have been recently made available for abuse (not necessarily recently discovered) which provide similar effects to the traditional well studied illegal drugs but are not always controlled under existing local, regional or international drug legislation. Following an unprecedented increase in the number of NPSs in the last 5 years (with 101 substances discovered for the first time in 2014 alone) its, occasionally fatal, consequences have been extensively reported in the media. Such NPSs are typically marketed as 'not for human consumption' and are instead labelled and sold as plant food, bath salts as well as a whole host of other equally nondescript aliases in order to bypass legislative controls. NPSs are a new multi-disciplinary research field with the main emphasis in terms of forensic identification due to their adverse health effects, which can range from minimal to life threatening and even fatalities. In this mini-review we overview this recent emerging research area of NPSs and the analytical approaches reported to provide detection strategies as well as detailing recent reports towards providing point-of-care/in-the-field NPS ("legal high") sensors.
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Affiliation(s)
- Jamie P Smith
- Faculty of Science and Engineering, School of Science and the Environment, Division of Chemistry and Environmental Science, Manchester Metropolitan University, Chester Street, Manchester M1 5GD, UK.
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17
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Sakamoto S, Yusakul G, Pongkitwitoon B, Paudel MK, Tanaka H, Morimoto S. Simultaneous determination of soy isoflavone glycosides, daidzin and genistin by monoclonal antibody-based highly sensitive indirect competitive enzyme-linked immunosorbent assay. Food Chem 2015; 169:127-33. [PMID: 25236207 DOI: 10.1016/j.foodchem.2014.08.004] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2014] [Revised: 07/30/2014] [Accepted: 08/01/2014] [Indexed: 11/28/2022]
Abstract
Soy isoflavones are known as major bioactive compounds in soybean (Glycine max), which is an indispensable food. Despite their utility, the consumption of isoflavones has recently been limited because they exhibit oestrogenic and topoisomerase II inhibitory effects. To assess their intake limitation, accurate, sensitive, and effective quantitative analyses are necessary. In this study, we produced the monoclonal antibody (MAb) against daidzin (DZ) and applied it to an indirect competitive enzyme-linked immunosorbent assay (icELISA) for the simultaneous determination of DZ and genistin (GEN), which are known as two major soy isoflavone glycosides in soy products. Using the DZ-MAb, we developed a sensitive icELISA method, where the limit of detection for DZ and GEN was 1.95ng/ml. Several validation analyses revealed that the icELISA is sufficiently accurate and sensitive to be used to assess the overconsumption of soy isoflavones, which would lead to the safe dietary intake of soy products.
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Affiliation(s)
- Seiichi Sakamoto
- Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Gorawit Yusakul
- Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Benyakan Pongkitwitoon
- Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Madan Kumar Paudel
- Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Hiroyuki Tanaka
- Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.
| | - Satoshi Morimoto
- Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
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18
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Abstract
This review covers the isolation and chemistry of diterpenoids from terrestrial as opposed to marine sources and includes labdanes, clerodanes, pimaranes, abietanes, kauranes, gibberellins, cembranes and their cyclization products. The literature from January to December 2013 is reviewed.
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