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Wangsa K, Misra K, Gowala U, Sarma I, Saikia PJ, Sarma HN. Embryonic growth retardation and altered expression of IGF-II is reciprocal induced by phytocompounds during early gestation in mice. Growth Factors 2022; 40:254-271. [PMID: 36206173 DOI: 10.1080/08977194.2022.2129018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Methanolic crude extract of Scoparia dulcis (CESD) was orally administered to female mice during the early gestation (day 4-day 8) at a dose of 500 mg/kg/day. It induces embryo resorption and morphological changes of fetal maternal tissue. Histomorphology was studied by routine hematoxylin eosin stain. In situ immunofluorescence localization of IGF-II using Texas red showed an ordered expression of the growth factor in the maternal decidual cells, trophoblast cells and the embryo. Western blot analysis showed a gradual increase of IGF-II from D4 to D8 of control females. In contrast, the CESD-treated females showed resorption of embryo on D8 with disorganized in situ expression and lowered IGF-II in fetal maternal tissue. The phytocompounds present in the CESD could modulate either the ER or IGF-II receptors causing reduced IGF-II expression in the target tissues which lead to the failure of embryonic growth during periimplantation.
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Affiliation(s)
- Khamhee Wangsa
- Molecular Endocrinology and Reproductive Biology Research Laboratory, Department of Zoology, Rajiv Gandhi University, Arunachal Pradesh, India
| | - Krishnakshi Misra
- Molecular Endocrinology and Reproductive Biology Research Laboratory, Department of Zoology, Rajiv Gandhi University, Arunachal Pradesh, India
| | - Upasa Gowala
- Molecular Endocrinology and Reproductive Biology Research Laboratory, Department of Zoology, Rajiv Gandhi University, Arunachal Pradesh, India
| | - Indira Sarma
- Molecular Endocrinology and Reproductive Biology Research Laboratory, Department of Zoology, Rajiv Gandhi University, Arunachal Pradesh, India
| | | | - Hirendra Nath Sarma
- Molecular Endocrinology and Reproductive Biology Research Laboratory, Department of Zoology, Rajiv Gandhi University, Arunachal Pradesh, India
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Sinan KI, Bene K, Zengin G, Diuzheva A, Jekő J, Cziáky Z, Picot-Allain CMN, Mollica A, Rengasamy KR, Mahomoodally MF. A comparative study of the HPLC-MS profiles and biological efficiency of different solvent leaf extracts of two African plants: Bersama abyssinica and Scoparia dulcis. Int J Environ Health Res 2021; 31:285-297. [PMID: 31411055 DOI: 10.1080/09603123.2019.1652885] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 08/01/2019] [Indexed: 06/10/2023]
Abstract
In the present study, two medicinal plants from Africa, namely Bersama abyssinica Fresen. and Scoparia dulcis L., were extracted using ethyl acetate, methanol, and water. The antioxidant, enzyme (α-amylase, α-glucosidase, acetyl- and butyrylcholinesterase, lipase, and tyrosinase) inhibitory action, and phytochemical profiles of extracts of Bersama abyssinica and Scoparia dulcis were determined. The aqueous (180.62 and 61.81 mg gallic acid equivalent/g extract, for B. abyssinica and S. dulcis respectively) and methanol (75.21 and 57.81 mg rutin equivalent/g extract, for B. abyssinica and S. dulcis, respectively) extracts contained high concentrations of phenolic and flavonoids, respectively. The ethyl acetate extracts of both plants were potent inhibitors of α-glucosidase and tyrosinase. Several phytochemical groups were determined by HPLC-MS/MS. The study tend to suggest that B. abyssinica and S. dulcis are potential candidates for the development of novel therapeutical agents.
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Affiliation(s)
| | - Kouadio Bene
- Laboratoire de Botanique et Phytothérapie, Unité de Formation et de Recherche Sciences de la Nature, Université Nangui Abrogoua , Abidjan, Côte d'Ivoire
| | - Gokhan Zengin
- Department of Biology, Science Faculty, Selcuk University, Campus , Konya, Turkey
| | - Alina Diuzheva
- Department of Analytical Chemistry, Pavol Jozef Šafárik University in Košice , Košice, Slovakia
| | - József Jekő
- Agricultural and Molecular Research and Service Institute, University of Nyíregyháza , Nyíregyháza, Hungary
| | - Zoltán Cziáky
- Agricultural and Molecular Research and Service Institute, University of Nyíregyháza , Nyíregyháza, Hungary
| | | | - Adriano Mollica
- Department of Pharmacy, University "G. d'Annunzio" of Chieti-Pescara , Chieti, Italy
| | - Kannan Rr Rengasamy
- Department of Bio-resources and Food Science, Konkuk University , Seoul, South Korea
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Boudreau A, Burke S, Collier J, Richard AJ, Ribnicky DM, Stephens JM. Mechanisms of Artemisia scoparia's Anti-Inflammatory Activity in Cultured Adipocytes, Macrophages, and Pancreatic β-Cells. Obesity (Silver Spring) 2020; 28:1726-1735. [PMID: 32741148 PMCID: PMC7483878 DOI: 10.1002/oby.22912] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 04/22/2020] [Accepted: 05/11/2020] [Indexed: 12/19/2022]
Abstract
OBJECTIVE An ethanolic extract of Artemisia scoparia (SCO) improves adipose tissue function and reduces negative metabolic consequences of high-fat feeding. A. scoparia has a long history of medicinal use across Asia and has anti-inflammatory effects in various cell types and disease models. The objective of the current study was to investigate SCO's effects on inflammation in cells relevant to metabolic health. METHODS Inflammatory responses were assayed in cultured adipocytes, macrophages, and insulinoma cells by quantitative polymerase chain reaction, immunoblotting, and NF-κB reporter assays. RESULTS In tumor necrosis factor α-treated adipocytes, SCO mitigated ERK and NF-κB signaling as well as transcriptional responses but had no effect on fatty acid-binding protein 4 secretion. SCO also reduced levels of deleted in breast cancer 1 protein in adipocytes and inhibited inflammatory gene expression in stimulated macrophages. Finally, in pancreatic β-cells, SCO decreased NF-κB-responsive promoter activity induced by IL-1β treatment. CONCLUSIONS SCO's ability to promote adipocyte development and function is thought to mediate its insulin-sensitizing actions in vivo. Our findings that SCO inhibits inflammatory responses through at least two distinct signaling pathways (ERK and NF-κB) in three cell types known to contribute to metabolic disease reveal that SCO may act more broadly than previously thought to improve metabolic health.
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Affiliation(s)
- Anik Boudreau
- Pennington Biomedical Research Center, Baton Rouge, LA 70808
| | - Susan Burke
- Pennington Biomedical Research Center, Baton Rouge, LA 70808
| | - Jason Collier
- Pennington Biomedical Research Center, Baton Rouge, LA 70808
| | | | - David M. Ribnicky
- Department of Plant Biology and Pathology, Rutgers University, New Brunswick, NJ
| | - Jacqueline M. Stephens
- Pennington Biomedical Research Center, Baton Rouge, LA 70808
- Department of Biological Sciences, Louisiana State University, Baton Rouge, LA 70803
- To whom correspondence should be addressed: Jacqueline Stephens, Louisiana State University, Pennington Biomedical Research Center, 6400 Perkins Road, Baton Rouge, LA 70808, Phone (225) 763-2648, FAX (225) 578-2597,
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Lima MVV, Freire ADO, Sousa ELF, Vale AAM, Lopes AJO, Vasconcelos CC, Lima-Aragão MVV, Serra HO, Liberio RNMG, dos Santos APSDA, Silva GEB, da Rocha CQ, Moreira Lima FCV, Cartágenes MDSDS, Garcia JBS. Therapeutic Use of Scoparia dulcis Reduces the Progression of Experimental Osteoarthritis. Molecules 2019; 24:molecules24193474. [PMID: 31557835 PMCID: PMC6803828 DOI: 10.3390/molecules24193474] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 09/07/2019] [Accepted: 09/10/2019] [Indexed: 11/20/2022] Open
Abstract
Pain is recognized as one of the main symptoms in knee osteoarthritis and is the main reason why patients seek medical attention. Scoparia dulcis has been popularly used to relieve discomfort caused by various painful conditions. The objective of the study is to evaluate the analgesic and anti-inflammatory effect of the crude extract of S. dulcis, in an experimental model of osteoarthritis. The experiment was performed with Wistar rats divided into 4 groups with 5 animals each: healthy, saline, crude extract, and meloxicam groups. Knee osteoarthritis was induced by intra-articular injection of sodium mono-iodoacetate. First, clinical parameters of pain were assessed at days 0, 5, 10, 15, and 20 after induction. Second, the potential cyclooxygenase inhibition was evaluated, and the cytokines of the synovial fluid were quantified. An in silico test and Molecular Docking tests were performed. A histopathological evaluation was made on articular cartilage with safranin O staining. The results showed that a 15-day treatment with crude extract reduced edema, spontaneous pain, peripheral nociceptive activity, and proinflammatory cytokines in the synovial fluid. The highest inhibition of cyclooxygenase 2 in the crude extract occurred at 50 µg/mL. The crude extract of S. dulcis presents therapeutic potential for the treatment of osteoarthritis due to its anti-inflammatory and anti-nociceptive action.
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Affiliation(s)
- Marcus Vinícius Viégas Lima
- Centro de Ciências Biológicas e da Saúde, Universidade Federal do Maranhão, São Luís 65080-805, Brazil; (A.d.O.F.); (E.L.F.S.); (A.A.M.V.); (A.J.O.L.); (C.C.V.); (R.N.M.G.L.); (A.P.S.d.A.d.S.); (G.E.B.S.)
- Universidade Ceuma, São Luís 65075-120, Brazil
- Correspondence: (M.V.V.L.); (M.d.S.d.S.C.); (J.B.S.G.); Tel.: +55-(98)-3272-9527 (M.V.V.L.)
| | - Abner de Oliveira Freire
- Centro de Ciências Biológicas e da Saúde, Universidade Federal do Maranhão, São Luís 65080-805, Brazil; (A.d.O.F.); (E.L.F.S.); (A.A.M.V.); (A.J.O.L.); (C.C.V.); (R.N.M.G.L.); (A.P.S.d.A.d.S.); (G.E.B.S.)
| | - Emerson Lucas Frazão Sousa
- Centro de Ciências Biológicas e da Saúde, Universidade Federal do Maranhão, São Luís 65080-805, Brazil; (A.d.O.F.); (E.L.F.S.); (A.A.M.V.); (A.J.O.L.); (C.C.V.); (R.N.M.G.L.); (A.P.S.d.A.d.S.); (G.E.B.S.)
| | - André Alvares Marques Vale
- Centro de Ciências Biológicas e da Saúde, Universidade Federal do Maranhão, São Luís 65080-805, Brazil; (A.d.O.F.); (E.L.F.S.); (A.A.M.V.); (A.J.O.L.); (C.C.V.); (R.N.M.G.L.); (A.P.S.d.A.d.S.); (G.E.B.S.)
| | - Alberto Jorge Oliveira Lopes
- Centro de Ciências Biológicas e da Saúde, Universidade Federal do Maranhão, São Luís 65080-805, Brazil; (A.d.O.F.); (E.L.F.S.); (A.A.M.V.); (A.J.O.L.); (C.C.V.); (R.N.M.G.L.); (A.P.S.d.A.d.S.); (G.E.B.S.)
- Universidade Federal do Maranhão, Coordenação de Ciências Naturais, Campus Bacabal, São Luís 65080-80, Brazil
| | - Cleydlenne Costa Vasconcelos
- Centro de Ciências Biológicas e da Saúde, Universidade Federal do Maranhão, São Luís 65080-805, Brazil; (A.d.O.F.); (E.L.F.S.); (A.A.M.V.); (A.J.O.L.); (C.C.V.); (R.N.M.G.L.); (A.P.S.d.A.d.S.); (G.E.B.S.)
| | - Mônica Virginia Viégas Lima-Aragão
- Centro de Ciências Biológicas e da Saúde, Universidade Federal do Maranhão, São Luís 65080-805, Brazil; (A.d.O.F.); (E.L.F.S.); (A.A.M.V.); (A.J.O.L.); (C.C.V.); (R.N.M.G.L.); (A.P.S.d.A.d.S.); (G.E.B.S.)
| | | | - Rosane Nassar Meireles Guerra Liberio
- Centro de Ciências Biológicas e da Saúde, Universidade Federal do Maranhão, São Luís 65080-805, Brazil; (A.d.O.F.); (E.L.F.S.); (A.A.M.V.); (A.J.O.L.); (C.C.V.); (R.N.M.G.L.); (A.P.S.d.A.d.S.); (G.E.B.S.)
| | - Ana Paula Silva de Azevedo dos Santos
- Centro de Ciências Biológicas e da Saúde, Universidade Federal do Maranhão, São Luís 65080-805, Brazil; (A.d.O.F.); (E.L.F.S.); (A.A.M.V.); (A.J.O.L.); (C.C.V.); (R.N.M.G.L.); (A.P.S.d.A.d.S.); (G.E.B.S.)
| | - Gyl Eanes Barros Silva
- Centro de Ciências Biológicas e da Saúde, Universidade Federal do Maranhão, São Luís 65080-805, Brazil; (A.d.O.F.); (E.L.F.S.); (A.A.M.V.); (A.J.O.L.); (C.C.V.); (R.N.M.G.L.); (A.P.S.d.A.d.S.); (G.E.B.S.)
- Hospital Universitário Presidente Dutra, São Luís 65020-070, Brazil;
| | | | | | - Maria do Socorro de Sousa Cartágenes
- Centro de Ciências Biológicas e da Saúde, Universidade Federal do Maranhão, São Luís 65080-805, Brazil; (A.d.O.F.); (E.L.F.S.); (A.A.M.V.); (A.J.O.L.); (C.C.V.); (R.N.M.G.L.); (A.P.S.d.A.d.S.); (G.E.B.S.)
- Correspondence: (M.V.V.L.); (M.d.S.d.S.C.); (J.B.S.G.); Tel.: +55-(98)-3272-9527 (M.V.V.L.)
| | - João Batista Santos Garcia
- Centro de Ciências Biológicas e da Saúde, Universidade Federal do Maranhão, São Luís 65080-805, Brazil; (A.d.O.F.); (E.L.F.S.); (A.A.M.V.); (A.J.O.L.); (C.C.V.); (R.N.M.G.L.); (A.P.S.d.A.d.S.); (G.E.B.S.)
- Correspondence: (M.V.V.L.); (M.d.S.d.S.C.); (J.B.S.G.); Tel.: +55-(98)-3272-9527 (M.V.V.L.)
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Promraksa B, Phetcharaburanin J, Namwat N, Techasen A, Boonsiri P, Loilome W. Evaluation of anticancer potential of Thai medicinal herb extracts against cholangiocarcinoma cell lines. PLoS One 2019; 14:e0216721. [PMID: 31120926 PMCID: PMC6532846 DOI: 10.1371/journal.pone.0216721] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 04/26/2019] [Indexed: 01/01/2023] Open
Abstract
Although cholangiocarcinoma (CCA) has a low incidence globally, this is extremely high in Northeast Thailand. The lack of both early detection measures and effective therapeutic drugs is the major problem for the poor prognosis of CCA patients. Based on regional knowledge, it would be advantageous to search for effective natural phyto-products for the treatment of CCA. Cardiospermum halicacabum L., Gomphrena celosioides Mart. and Scoparia dulcis L., very well-known medicinal herbs in Asian countries, were selected for the investigation of inhibitory effects on CCA cells. Of the three different ethanolic extracts, S. dulcis L extract showed most inhibitory effects on cell growth of CCA cell lines KKU-100 and KKU-213, at percentages of 56.06 and 74.76, respectively, compared to the untreated group after treatment with 250 μg/mL of extracts for 72 hrs. At 400 and 500 μg/mL of the extracts, the inhibitory effect of KKU-213 was indicated by a significant increase in the BAX/Bcl-2 ratio and cell membrane permeability. Moreover, metabolic profiling-based screening employed in the current study revealed a significant positive association between the lignin compound and a decrease in CCA cell viability. Our study suggests, for the first time, that ESD has the ability to inhibit CCA cell growth through the induction of apoptosis.
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Affiliation(s)
- Bundit Promraksa
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Cholangiocarcinoma Research Institute, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Jutarop Phetcharaburanin
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Cholangiocarcinoma Research Institute, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Center of Excellence for Innovation in Chemistry, Mahidol University, Bangkok, Thailand
| | - Nisana Namwat
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Cholangiocarcinoma Research Institute, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Anchalee Techasen
- Cholangiocarcinoma Research Institute, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Faculty of Associated Medical Science, Khon Kaen University, Khon Kaen, Thailand
| | - Patcharee Boonsiri
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Watcharin Loilome
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Cholangiocarcinoma Research Institute, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
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Wankhar W, Srinivasan S, Sundareswaran L, Wankhar D, Rajan R, Sheeladevi R. Role of Scoparia dulcis linn on noise-induced nitric oxide synthase (NOS) expression and neurotransmitter assessment on motor function in Wistar albino rats. Biomed Pharmacother 2016; 86:475-481. [PMID: 28012927 DOI: 10.1016/j.biopha.2016.12.054] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Revised: 12/09/2016] [Accepted: 12/14/2016] [Indexed: 12/27/2022] Open
Abstract
Noise pollution is one of the most widespread and fast growing environmental and occupational menaces in the modern era. Exposure to noise above 100dB is not adaptable through the brain homeostatic mechanism. Yet, the detrimental effects of noise have often been ignored. Developing reliable animal models to understand the neurobiology of noise stress and advance our research in the field of medicine to impede this growing stressor is needed. In this study experimental animals were divided into four groups, (i) Control and (ii) S. dulcis extract (200mg/kgbw) treated control group. (iii) To mimic the influence of noise, animals in this group were exposed to noise stress (100dB/4h/day) for 15days and finally, (iv) Noise exposed treated with S. dulcis extract (200mg/kgbw) group. Rota-rod and narrow beam performance results showed impaired motor co-ordination in noise exposed group on both 1st and 15th day when compared to controls. This impaired motor function on exposure to noise could be attributed to the altered norepinephrine, dopamine and serotonin levels in both the striatum and cerebellum. Moreover, the motor impaired associated changes could also be attributed to upregulated nNOS and iNOS protein expression in the cerebellum resulting in increased nitric oxide radical production. This increased reactive free radicals species can initiate lipid peroxidation mediated changes in the cerebellar Purkinje cells, which is responsible for initiating inhibitory motor response and ultimately leading to impaired motor co-ordination. Treatment with S. dulcis extract (200mg/kgbw) could control motor impairment and regulate neurotransmitter level as that of control groups when compared to noise exposed group. One key aspect of therapeutic efficacy of the plant could have resulted due to attenuated lipid peroxidation mediated damages on the cerebellar Purkinje cells thereby regulating motor impairment. Thus, targeting the antioxidant and free radicals scavenging properties of the plant could serve as a potential therapeutic to combat this environmental stressor.
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Affiliation(s)
- Wankupar Wankhar
- Department of Physiology, Dr. ALM PG Institute of Basic Medical Sciences, University of Madras, Taramani Campus, Chennai 600 113, India
| | - Sakthivel Srinivasan
- Department of Physiology, Dr. ALM PG Institute of Basic Medical Sciences, University of Madras, Taramani Campus, Chennai 600 113, India
| | - Loganathan Sundareswaran
- Department of Physiology, Dr. ALM PG Institute of Basic Medical Sciences, University of Madras, Taramani Campus, Chennai 600 113, India
| | - Dapkupar Wankhar
- Department of Physiology, Dr. ALM PG Institute of Basic Medical Sciences, University of Madras, Taramani Campus, Chennai 600 113, India
| | - Ravindran Rajan
- Department of Physiology, Dr. ALM PG Institute of Basic Medical Sciences, University of Madras, Taramani Campus, Chennai 600 113, India
| | - Rathinasamy Sheeladevi
- Department of Physiology, Dr. ALM PG Institute of Basic Medical Sciences, University of Madras, Taramani Campus, Chennai 600 113, India.
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Abere TA, Okoye CJ, Agoreyo FO, Eze GI, Jesuorobo RI, Egharevba CO, Aimator PO. Antisickling and toxicological evaluation of the leaves of Scoparia dulcis Linn (Scrophulariaceae). BMC Complement Altern Med 2015; 15:414. [PMID: 26597857 PMCID: PMC4657272 DOI: 10.1186/s12906-015-0928-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Accepted: 11/02/2015] [Indexed: 12/04/2022]
Abstract
BACKGROUND Scoparia dulcis Linn (Scrophulariaceae) together with other medicinal plants serve as antisickling remedies in Africa. This study was aimed at investigating the antisickling activity of the leaves of the plant as well as establishing the toxicological profile. METHOD Chemical tests were employed in phytochemical investigations. Evaluation of the antisickling activity involved the inhibition of sodium metabisulphite-induced sickling of the HbSS red blood cells obtained from confirmed sickle cell patients who were not in crises. Concentrations of the crude extract and its fractions were tested with normal saline and p-hydroxybenzoic acid serving as controls. Acute toxicological evaluation was carried out in mice while 30-day assessment was done in rats. RESULTS Phytochemical screening revealed the presence of alkaloids, tannins, flavonoids and saponins. Percentage sickling inhibitions of the aqueous methanol extracts of S. dulcis were significant all through the period of assay p < 0. 05 compared to normal saline, but not significant with PHBA. The fractions had less activity compared to the crude extracts. The LD 50 of the extract in mice was above 8000 mg/kg body weight when administered orally. Toxicological evaluations at 250 and 500 mg/kg showed mild congestion in virtually all the target organs. CONCLUSION The antisickling results confirmed traditional usage of Scoparia dulcis in the management of Sickle cell disorders and a candidate for further investigations.
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Affiliation(s)
- Tavs A Abere
- Department of Pharmacognosy, Faculty of Pharmacy, University of Benin, Benin City, Nigeria.
| | - Chiagozie J Okoye
- Department of Pharmacognosy, Faculty of Pharmacy, University of Benin, Benin City, Nigeria.
| | - Freddy O Agoreyo
- Department of Physiology, College of Medical Sciences, University of Benin, Benin City, Nigeria.
| | - Gerald I Eze
- Department of Anatomy, College of Medical Sciences, University of Benin, Benin City, Nigeria.
| | - Rose I Jesuorobo
- Department of Pharmacognosy, Faculty of Pharmacy, University of Benin, Benin City, Nigeria.
| | - Clement O Egharevba
- Department of Pharmacognosy, Faculty of Pharmacy, University of Benin, Benin City, Nigeria.
| | - Pauline O Aimator
- Department of Pharmacognosy, Faculty of Pharmacy, University of Benin, Benin City, Nigeria.
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Fuentes RG, Toume K, Arai MA, Sadhu SK, Ahmed F, Ishibashi M. Scopadulciol, Isolated from Scoparia dulcis, Induces β-Catenin Degradation and Overcomes Tumor Necrosis Factor-Related Apoptosis Ligand Resistance in AGS Human Gastric Adenocarcinoma Cells. J Nat Prod 2015; 78:864-872. [PMID: 25793965 DOI: 10.1021/np500933v] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Scopadulciol (1), a scopadulan-type diterpenoid, was isolated from Scoparia dulcis along with three other compounds (2-4) by an activity-guided approach using the TCF reporter (TOP) luciferase-based assay system. A fluorometric microculture cytotoxicity assay (FMCA) revealed that compound 1 was cytotoxic to AGS human gastric adenocarcinoma cells. The treatment of AGS cells with 1 decreased β-catenin levels and also inhibited its nuclear localization. The pretreatment of AGS cells with a proteasome inhibitor, either MG132 or epoxomicin, protected against the degradation of β-catenin induced by 1. The 1-induced degradation of β-catenin was also abrogated in the presence of pifithrin-α, an inhibitor of p53 transcriptional activity. Compound 1 inhibited TOP activity in AGS cells and downregulated the protein levels of cyclin D1, c-myc, and survivin. Compound 1 also sensitized AGS cells to tumor necrosis factor-related apoptosis ligand (TRAIL)-induced apoptosis by increasing the levels of the death receptors, DR4 and DR5, and decreasing the level of the antiapoptotic protein Bcl-2. Collectively, our results demonstrated that 1 induced the p53- and proteasome-dependent degradation of β-catenin, which resulted in the inhibition of TCF/β-catenin transcription in AGS cells. Furthermore, 1 enhanced apoptosis in TRAIL-resistant AGS when combined with TRAIL.
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Affiliation(s)
- Rolly G Fuentes
- †Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
- ⊥University of the Philippines Visayas Tacloban College, 6500 Tacloban City, Philippines
| | - Kazufumi Toume
- †Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Midori A Arai
- †Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Samir K Sadhu
- ‡Pharmacy Discipline, Life Science School, Khulna University, Khulna 9208, Bangladesh
| | - Firoj Ahmed
- §Department of Pharmaceutical Chemistry, University of Dhaka, Dhaka 1000, Bangladesh
| | - Masami Ishibashi
- †Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
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Wu WH, Chen TY, Lu RW, Chen ST, Chang CC. Benzoxazinoids from Scoparia dulcis (sweet broomweed) with antiproliferative activity against the DU-145 human prostate cancer cell line. Phytochemistry 2012; 83:110-115. [PMID: 22944352 DOI: 10.1016/j.phytochem.2012.07.022] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2011] [Revised: 06/26/2012] [Accepted: 07/25/2012] [Indexed: 06/01/2023]
Abstract
Sweet broomweed (Scoparia dulcis) is an edible perennial medicinal herb widely distributed in tropical and subtropical regions of Asia, Africa, and the Americas. Four compounds, (2R)-7-methoxy-2H-1,4-benzoxazin-3(4H)-one 2-O-β-galactopyranoside [(2R)-HMBOA-2-O-Gal], 3,6-dimethoxy-benzoxazolin-2(3H)-one (3,6-M2BOA), 3-hydroxy-6-methoxy-2-benzoxazolinone (3-OH-MBOA), and scutellarein 7-O-β-glucuronamide, along with eight known compounds, including two 7-methoxy-1,4-benzoxazin-3(2H)-one 3-O-hexopyranosides [(2R)-HMBOA-2-O-Glc and (2R)-HDMBOA-2-O-Glc], 6-methoxy-benzoxazolin-2(3H)-one (MBOA), acteoside, sodium scutellarin, p-coumaric acid, and two monosaccharides (fructose and glucose), were isolated from the aqueous extract of S. dulcis. Antiproliferative activities of the six benzoxazinoid compounds against the DU-145 human prostate cancer cell line were assayed, and one of these displayed an IC₅₀ of 65.8 μg/mL.
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Affiliation(s)
- Wan-Hsun Wu
- Institute of Biological Chemistry, Academia Sinica, 128 Academia Rd., Sec. 2, Nangang Dist., Taipei 115, Taiwan, ROC
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Ordaz G, D'Armas H, Yáñez D, Moreno S. [Chemical composition of essential oils from leaves of Helicteres guazumifolia (Sterculiaceae), Piper tuberculatum (Piperaceae), Scoparia dulcis (Arecaceae) and Solanum subinerme (Solanaceae) from Sucre, Venezuela]. REV BIOL TROP 2011; 59:585-595. [PMID: 21721229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023] Open
Abstract
Essential oils, biosynthesized and accumulated in aromatic plants, have a wide range of applications in the pharmaceutical health, cosmetics, food and agricultural industry. This study aimed to analyze the secondary metabolites in some plant species in order to contribute to their chemotaxonomy. Leaves from Helicteres guazumifolia, Piper tuberculatum, Scoparia dulcis and Solanum subinerme were collected and their essential oils were obtained by means of hydro-distillation. The oil fraction was analyzed and identified by GC/MS. The extraction yields were of 0.004, 0.032, 0.016 and 0.005%, and the oil constituents of 88.00, 89.80, 87.50 and 89.47%, respectively. The principal oils found were: non-terpenoids volatile secondary metabolites (30.28%) in H. guazumifolia; sesquiterpenoids (20.82 and 26.09%) and oxigen derivated (52.19 and 25.18%) in P. tuberculatum and S. dulcis; and oxigen diterpenoids (39.67%) in S. subinerme. The diisobuthylphtalate (13.11%) in H. guazumifolia, (-)-spathulenol (11.37%) in P. tuberculatum and trans-phytol (8.29 and 36.00%) in S. dulcis and S. subinerme, were the principal constituents in their respective essential oils. The diisooctylphtalate were the essential oil common to all species, but the volatile compounds such as trans-pinane, L-linalool, beta-ionone, isophytol, neophytadiene, trans-phytol, dibutylphtalate and methyl hexadecanoate, were only detected in three of these essences. This suggests that these plants may require similar secondary metabolites for their ecological interactions, possibly due to common environmental factors.
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Affiliation(s)
- Gabriel Ordaz
- Departamento de Ciencias, Sección de Química, Núcleo de Monagas, Universidad de Oriente, Maturín 6201, estado Monagas, Venezuela.
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Bourogaa E, Bertrand J, Despeaux M, Jarraya R, Fabre N, Payrastre L, Demur C, Fournié JJ, Damak M, Feki AE, Racaud-Sultan C. Hammada scoparia flavonoids and rutin kill adherent and chemoresistant leukemic cells. Leuk Res 2011; 35:1093-101. [PMID: 21216465 DOI: 10.1016/j.leukres.2010.12.011] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2010] [Revised: 12/13/2010] [Accepted: 12/14/2010] [Indexed: 01/06/2023]
Abstract
In search for compounds able to reduce cell adhesion-mediated drug resistance (CAM-DR), we studied effects of Hammada scoparia extracts on leukemic cells adherent or in suspension. We show that H. scoparia flavonoidic fraction and its compound rutin induce apoptosis specifically in adherent leukemic cells and abolish CAM-DR. Importantly, rutin inhibited survival of adherent leukemic progenitors (CD34(+)38(-)123(+)) but spared normal progenitors (CD34(+)38(-)). The pro-apoptotic effects of rutin were correlated with a decrease of active GSK3β and inhibitors of GSK3β reproduced rutin-induced cytotoxicity. This study uncovers the potential of H. scoparia flavonoids and rutin to overcome CAM-DR in acute myeloid leukemia.
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MESH Headings
- Antigens, CD34/metabolism
- Apoptosis/drug effects
- Blotting, Western
- Cell Adhesion/drug effects
- Cells, Cultured
- Drug Resistance, Neoplasm/drug effects
- Flavonoids/pharmacology
- Flow Cytometry
- Glycogen Synthase Kinase 3/antagonists & inhibitors
- Glycogen Synthase Kinase 3/metabolism
- Glycogen Synthase Kinase 3 beta
- Hematopoietic Stem Cells/drug effects
- Hematopoietic Stem Cells/metabolism
- Humans
- Leukemia, Myeloid, Acute/drug therapy
- Leukemia, Myeloid, Acute/pathology
- Phytotherapy
- Rutin/pharmacology
- Scoparia/chemistry
- Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
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12
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Mesía-Vela S, Bielavsky M, Torres LMB, Freire SM, Lima-Landman MTR, Souccar C, Lapa AJ. In vivo inhibition of gastric acid secretion by the aqueous extract of Scoparia dulcis L. in rodents. J Ethnopharmacol 2007; 111:403-8. [PMID: 17300892 DOI: 10.1016/j.jep.2006.12.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2006] [Revised: 11/29/2006] [Accepted: 12/02/2006] [Indexed: 05/14/2023]
Abstract
The freeze-dried aqueous extract (AE) from the aerial parts of Scoparia dulcis was tested for its effects on experimental gastric hypersecretion and ulcer in rodents. Administration of AE to animals with 4h pylorus ligature potently reduced the gastric secretion with ED(50)s of 195 mg/kg (rats) and 306 mg/kg (mice). The AE also inhibited the histamine- or bethanechol-stimulated gastric secretion in pylorus-ligated mice with similar potency suggesting inhibition of the proton pump. Bio-guided purification of the AE yielded a flavonoid-rich fraction (BuF), with a specific activity 4-8 times higher than the AE in the pylorus ligature model. BuF also inhibited the hydrolysis of ATP by H(+),K(+)-ATPase with an IC(50) of 500 microg/ml, indicating that the inhibition of gastric acid secretion of Scoparia dulcis is related to the inhibition of the proton pump. Furthermore, the AE inhibited the establishment of acute gastric lesions induced in rats by indomethacin (ED(50)=313 mg/kg, p.o.) and ethanol (ED(50)=490 mg/kg, p.o.). No influence of the AE on gastrointestinal transit allowed discarding a possible CNS or a cholinergic interaction in the inhibition of gastric secretion by the AE. Collectively, the present data pharmacologically validates the popular use of Scoparia dulcis in gastric disturbances.
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Affiliation(s)
- Sonia Mesía-Vela
- Natural Products Section, Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, 04044-020 Rua 03 de Maio 100, São Paulo, SP, Brazil.
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13
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Latha M, Ramkumar KM, Pari L, Damodaran PN, Rajeshkannan V, Suresh T. Phytochemical and antimicrobial study of an antidiabetic plant: Scoparia dulcis L. J Med Food 2006; 9:391-4. [PMID: 17004904 DOI: 10.1089/jmf.2006.9.391] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The antimicrobial and antifungal effects of different concentrations of chloroform/methanol fractions of Scoparia dulcis were investigated. The isolated fractions were tested against different bacteria like Salmonella typhii, Staphylococcus aureus, Escherichia coli, Bacillus subtilis, Pseudomonas aeruginosa, and Proteus vulgaris and fungal strains such as Alternaria macrospora, Candida albicans, Aspergillus niger, and Fusarium oxysporum. The isolated fractions exhibited significant antimicrobial and antifungal activity against all the tested organisms compared with respective reference drugs. The isolated fractions of S. dulcis showed properties like antimicrobial and antifungal activities that will enable researchers in turn to look for application-oriented principles.
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Affiliation(s)
- M Latha
- Department of Biochemistry, Faculty of Science, Annamalai University, Annamalainagar, India
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Phan MG, Phan TS, Matsunami K, Otsuka H. Chemical and biological evaluation on scopadulane-type diterpenoids from Scoparia dulcis of Vietnamese origin. Chem Pharm Bull (Tokyo) 2006; 54:546-9. [PMID: 16595962 DOI: 10.1248/cpb.54.546] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
From the aerial parts of Scoparia dulcis L. (Scrophulariaceae) grown in Vietnam, four scopadulane-type diterpenoids (4-7), of which 7 is new and was given the trivial name scopadulcic acid C, together with nine known compounds were isolated. Their structures were elucidated by spectroscopic analyses. The absolute configurations of 4-7 were ascertained by applying the modified Mosher's method to iso-dulcinol (6). The isolation of the lignans nirtetralin and niranthin for the first time from S. dulcis is also of chemotaxonomic interest. The cytotoxic activity in KB cells, inhibitory effect on LPS/IFNgamma-induced NO production, inhibition of multidrug resistance (MDR), and antibacterial and antifungal activities of the scopadulane-type diterpenoids 4-7 were examined in this study.
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Affiliation(s)
- Minh Giang Phan
- Faculty of Chemistry, College of Natural Science, Vietnam National University, Hanoi, Vietnam
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15
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Abstract
We have investigated Scoparia dulcis, an indigenous plant used in Ayurvedic medicine in India, for its possible antihyperlipidemic effect in rats with streptozotocin-induced experimental diabetes. Oral administration of an aqueous extract of S. dulcis plant (200 mg/kg of body weight) to streptozotocin diabetic rats for 6 weeks resulted in a significant reduction in blood glucose, serum and tissue cholesterol, triglycerides, free fatty acids, phospholipids, 3-hydroxy-3-methylglutaryl (HMG)-CoA reductase activity, and very low-density lipoprotein and low-density lipoprotein cholesterol levels. The decreased serum high-density lipoprotein cholesterol, anti-atherogenic index, and HMG-CoA reductase activity in diabetic rats were also reversed towards normalization after the treatment. Similarly, the administration of S. dulcis plant extract (SPEt) to normal animals resulted in a hypolipidemic effect. The effect was compared with glibenclamide (600 microg/kg of body weight). The results showed that SPEt had antihyperlipidemic action in normal and experimental diabetic rats in addition to its antidiabetic effect.
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Affiliation(s)
- Leelavinothan Pari
- Department of Biochemistry, Faculty of Science, Annamalai University, Annamalainagar, Tamil Nadu, India.
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16
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Nkembo KM, Lee JB, Hayashi T. Selective enhancement of scopadulcic acid B production in the cultured tissues of Scoparia dulcis by methyl jasmonate. Chem Pharm Bull (Tokyo) 2005; 53:780-2. [PMID: 15997134 DOI: 10.1248/cpb.53.780] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The effects of methyl jasmonate (MeJA) on isoprenoid production were evaluated in cultured tissues of Scoparia dulcis. It was found that MeJA suppressed the accumulation of chlorophylls, carotenoids, phytol and beta-sitosterol in the tissues. MeJA, however, remarkably enhanced the production of scopadulcic acid B (SDB), with 10 microM being optimal observed concentration for stimulation of SDB production. The maximum concentration of SDB was observed 6 d after MeJA treatment.
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Pari L, Latha M. Antidiabetic effect of Scoparia dulcis: effect on lipid peroxidation in streptozotocin diabetes. Gen Physiol Biophys 2005; 24:13-26. [PMID: 15900084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Oxidative damage has been suggested to be a contributory factor in the development and complications of diabetes. The antioxidant effect of an aqueous extract of Scoparia dulcis, an indigenous plant used in Ayurvedic medicine in India was studied in rats with streptozotocin-induced diabetes. Oral administration of Scoparia dulcis plant extract (SPEt) (200 mg/kg body weight) for 3 weeks resulted in a significant reduction in blood glucose and an increase in plasma insulin. The aqueous extract also resulted in decreased free radical formation in tissues (liver and kidney) studied. The decrease in thiobarbituric acid reactive substances (TBARS) and hydroperoxides (HPX) and increase in the activities of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), reduced glutathione (GSH) and glutathione-S-transferase (GST) clearly show the antioxidant properties of SPEt in addition to its antidiabetic effect. The effect of SPEt at 200 mg/kg body weight was better than glibenclamide, a reference drug.
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Affiliation(s)
- L Pari
- Department of Biochemistry, Faculty of Science, Annamalai University, Annamalai Nagar 608 002, Tamil Nadu, India.
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Latha M, Pari L. Effect of an aqueous extract of Scoparia dulcis on plasma and tissue glycoproteins in streptozotocin induced diabetic rats. Pharmazie 2005; 60:151-4. [PMID: 15739907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
The influence of Scoparia dulcis, a traditionally used plant for the treatment of diabetes mellitus, was examined in streptozotocin diabetic rats on dearrangement in glycoprotein levels. Diabetes was induced in male Wistar rats by a single intraperitoneal injection of streptozotocin. An aqueous extract of Scoparia dulcis plant was administered orally for 6 weeks. The effect of the Scoparia dulcis extract on blood glucose, plasma insulin, plasma and tissue glycoproteins studied was in comparison to glibenclamide. The levels of blood glucose and plasma glycoproteins were increased significantly whereas the level of plasma insulin was significantly decreased in diabetic rats. There was a significant decrease in the level of sialic acid and elevated levels of hexose, hexosamine and fucose in the liver and kidney of streptozotocin diabetic rats. Oral administration of Scoparia dulcis plant extract (SPEt) to diabetic rats led to decreased levels of blood glucose and plasma glycoproteins. The levels of plasma insulin and tissue sialic acid were increased whereas the levels of tissue hexose, hexosamine and fucose were near normal. The present study indicates that Scoparia dulcis possesses a significant beneficial effect on glycoproteins in addition to its antidiabetic effect.
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Affiliation(s)
- M Latha
- Department of Biochemistry, Faculty of Science, Annamalai University, Annamalainagar, Tamil Nadu, India
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Latha M, Pari L, Sitasawad S, Bhonde R. Insulin-secretagogue activity and cytoprotective role of the traditional antidiabetic plant Scoparia dulcis (Sweet Broomweed). Life Sci 2004; 75:2003-14. [PMID: 15306167 DOI: 10.1016/j.lfs.2004.05.012] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2004] [Accepted: 05/28/2004] [Indexed: 11/28/2022]
Abstract
Scoparia dulcis (Sweet Broomweed) has been documented as a traditional treatment of diabetes. The administration of an aqueous extract of Scoparia dulcis at a dose of 200 mg/kg body weight significantly decreased the blood glucose with significant increase in plasma insulin level in streptozotocin diabetic rats at the end of 15 days treatment. The insulin secretagogue action of Scoparia dulcis plant extract (SPEt) was further investigated using isolated pancreatic islets from mice. SPEt at a dose of 10 microg/ml evoked 6.0 fold stimulation of insulin secretion from isolated islets indicating its insulin secretagogue activity. In addition the effect of SPEt on streptozotocin induced cell death and nitric oxide (NO) in terms of nitrite production were also examined. SPEt protected against streptozotocin- mediated cytotoxicity (88%) and NO production in rat insulinoma cell line (RINm5F). Above results suggest the glucose lowering effect of SPEt to be associated with potentiation of insulin release from pancreatic islets. Our results revealed the possible therapeutic value of Scoparia dulcis for the better control, management and prevention of diabetes mellitus progression.
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Affiliation(s)
- Muniappan Latha
- Department of Biochemistry, Faculty of Science, Annamalai University, Annamalainagar-608 002, Tamil Nadu, India
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Pari L, Latha M. Effect of scoparia dulcis (Sweet Broomweed) plant extract on plasma antioxidants in streptozotocin-induced experimental diabetes in male albino Wistar rats. Pharmazie 2004; 59:557-60. [PMID: 15296095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Abstract
Clinical research has confirmed the efficacy of several plants in the modulation of oxidative stress associated with diabetes mellitus. Scoparia dulcis plant extract is tried for prevention and treatment of diabetes mellitus induced experimentally by streptozotocin injection. A single dose of streptozotocin (45 mg/kg body weight) produced decrease in insulin, hyperglycemia, increased lipid peroxidation (Thiobarbituric reactive substances and lipid hydroperoxides) and decreased antioxidant levels (vitamin C, vitamin E, reduced glutathione, ceruloplasmin). Oral administration of an aqueous extract of Scoparia dulcis plant (200 mg/kg body weight) for 6 weeks to diabetic rats significantly increased the plasma insulin and plasma antioxidants and significantly decreased lipid peroxidation. The effect of Scoparia dulcis plant extract at 200 mg/kg body weight was better than that of glibenclamide, a reference drug.
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Affiliation(s)
- L Pari
- Department of Biochemistry, Faculty of Science, Annamalai University, Annamalainagar, Tamil Nadu, India.
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Abstract
Three new acetylated flavonoid glycosides, 5,6,4'-trihydroxyflavone 7-O-alpha-L-2,3-di-O-acetylrhamnopyranosyl-(1-->6)-beta-D-glucopyranoside (1), apigenin 7-O-alpha-L-3-O-acetylrhamnopyranosyl-(1-->6)-beta-D-glucopyranoside (2), and apigenin 7-O-alpha-L-2,3-di-O-acetylrhamnopyranosyl-(1-->6)-beta-D-glucopyranoside (3), were isolated from Scoparia dulcis together with the known compound eugenyl beta-D-glucopyranoside (4). Their structures were elucidated by spectroscopic analyses. Compounds 2 and 3 showed an enhancing activity of nerve growth factor-mediated neurite outgrowth in PC12D cells.
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Affiliation(s)
- Yushan Li
- Department of Pharmaceutical Molecular Biology, Graduate School of Pharmaceutical Sciences, Tohoku University, Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
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Abstract
In light of evidence that diabetes mellitus is associated with oxidative stress and altered antioxidant status, we investigated the effect of Scoparia dulcis plant extracts (SPEt) (aqueous, ethanolic, and chloroform) in streptozotocin diabetic rats. Significant increases in the activities of insulin, superoxide dismutase, catalase, glutathione peroxidase, glutathione-S-transferase, reduced glutathione, vitamin C, and vitamin E were observed in liver, kidney, and brain on treatment with SPEt. In addition, the treated groups also showed significant decreases in blood glucose, thiobarbituric acid-reactive substances, and hydroperoxide formation in tissues, suggesting its role in protection against lipid peroxidation-induced membrane damage. Thus, the results of the present study indicate that extracts of S. dulcis, especially the aqueous extract, showed a modulatory effect by attenuating the above lipid peroxidation in streptozotocin diabetes.
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Affiliation(s)
- M Latha
- Department of Biochemistry, Faculty of Science, Annamalai University, Annamalai Nagar, Tamil Nadu, India
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Abstract
Four new labdane-derived diterpenes, iso-dulcinol (1), 4-epi-scopadulcic acid B (2), dulcidiol (4), and scopanolal (5), together with two known diterpenes, dulcinol/scopadulciol (3) and scopadiol (6), were isolated from the aerial parts of Scoparia dulcis. The structures were determined by extensive NMR studies. The crude extracts as well as the pure diterpenes showed cytotoxicity against a panel of six human stomach cancer cell lines.
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Affiliation(s)
- Monira Ahsan
- Department of Pharmacy and Institute of Nutrition and Food Science, University of Dhaka, Dhaka-1000, Bangladesh.
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