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Tóth B, Horváth A, Laczkovich OJ, Biró ZD, Matuz M, Csupor D. Storage Conditions Influence the Quality of Ginger - A Stability Study Inspired by Clinical Trials. PLANTA MEDICA 2024. [PMID: 38458247 DOI: 10.1055/a-2283-8147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/10/2024]
Abstract
Ginger has traditionally been used to treat and prevent nausea and vomiting; however, the results of clinical trials are ambiguous. The efficacy of ginger is attributed to gingerols and their metabolites, shogaols. Since these compounds have different pharmacological profiles, the clinical efficacy of ginger products is largely dependent on their chemical composition. The goal of our study was to examine the stability of ginger, determining the 6-gingerol contents in order to assess the effects of different storage conditions. We have performed a 6-month stability test with dry ginger rhizome samples stored in a constant climate chamber in three different storage containers (uncovered glass container, glass container sealed with rubber stopper, and plastic container). The 6-gingerol contents were measured by HPLC method. The concentration of 6-gingerol decreased in all samples. In the sealed glass container, the decrease in 6-gingerol content was significantly lower than in the unsealed glass container and in the plastic container. These results demonstrate that storage conditions have a significant impact on the quality of ginger, which may also affect efficacy.
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Affiliation(s)
- Barbara Tóth
- Institute of Pharmacognosy, University of Szeged, Szeged, Hungary
- Institute of Clinical Pharmacy, University of Szeged, Szeged, Hungary
| | - Attila Horváth
- Institute of Pharmacognosy, University of Szeged, Szeged, Hungary
| | | | | | - Mária Matuz
- Institute of Clinical Pharmacy, University of Szeged, Szeged, Hungary
| | - Dezső Csupor
- Institute of Pharmacognosy, University of Szeged, Szeged, Hungary
- Institute of Clinical Pharmacy, University of Szeged, Szeged, Hungary
- Institute for Translational Medicine, University of Pécs, Pécs, Hungary
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2
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Salvatore S, Carlino M, Sestito S, Concolino D, Agosti M, Pensabene L. Nutraceuticals and Pain Disorders of the Gut-Brain Interaction in Infants and Children: A Narrative Review and Practical Insights. Nutrients 2024; 16:349. [PMID: 38337634 PMCID: PMC10856962 DOI: 10.3390/nu16030349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 01/19/2024] [Accepted: 01/22/2024] [Indexed: 02/12/2024] Open
Abstract
Different nutraceuticals are often considered by parents of infants and children with abdominal pain and disorders of the gut-brain interaction. Herb extracts and natural compounds have long been used in traditional medicine, but clinical pediatric trials are very limited. This narrative review based on relevant studies identified through a search of the literature in Pubmed and Medline updated to October 2023 focused on the effect of nutraceuticals in infantile colic, functional abdominal pain, and irritable bowel syndrome in children and adolescents. Significant reductions in colic episodes and crying time were reported in two studies on fennel (seeds oil or tea), in three studies on different multiple herbal extracts (all including fennel), in one study on Mentha piperita, and in at least two double-blind randomized controlled studies on Lactobacillus reuteri DSM 17938 and Bifidobacterium lactis BB-12 (108 CFU/day for at least 21 days) in breast-fed infants. Compared to a placebo, in children with functional abdominal pain or irritable bowel syndrome, a significant reduction in pain was reported in two studies supplementing peppermint oil capsules or psyllium fibers, and in one study on corn fiber cookies, partial hydrolyzed guar gum, a specific multiple herbal extract (STW-5), or vitamin D supplementation. To date, there is moderate-certainty evidence with a weak grade of recommendation on Lactobacillus reuteri DSM 17938 (108 CFU/day) in reducing pain intensity in children with functional abdominal pain and for Lactobacillus rhamnosus GG (1-3 × 109 CFU twice daily) in reducing pain frequency and intensity in children with IBS. Further large and well-designed pediatric studies are needed to prove the efficacy and safety of different herbal extracts and prolonged use of studied products in infants and children with pain disorders of the gut-brain interaction.
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Affiliation(s)
- Silvia Salvatore
- Pediatric Department, Hospital “F. Del Ponte”, University of Insubria, 21100 Varese, Italy; (S.S.); (M.A.)
| | - Mariagrazia Carlino
- Pediatric Unit, Department of Medical and Surgical Sciences, Magna Graecia University of Catanzaro, 88100 Catanzaro, Italy; (M.C.); (S.S.); (D.C.)
| | - Simona Sestito
- Pediatric Unit, Department of Medical and Surgical Sciences, Magna Graecia University of Catanzaro, 88100 Catanzaro, Italy; (M.C.); (S.S.); (D.C.)
| | - Daniela Concolino
- Pediatric Unit, Department of Medical and Surgical Sciences, Magna Graecia University of Catanzaro, 88100 Catanzaro, Italy; (M.C.); (S.S.); (D.C.)
| | - Massimo Agosti
- Pediatric Department, Hospital “F. Del Ponte”, University of Insubria, 21100 Varese, Italy; (S.S.); (M.A.)
| | - Licia Pensabene
- Pediatric Unit, Department of Medical and Surgical Sciences, Magna Graecia University of Catanzaro, 88100 Catanzaro, Italy; (M.C.); (S.S.); (D.C.)
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Kim H, Park KT, Jo H, Shin Y, Chung G, Ko SG, Jin YH, Kim W. The effect of ginger extract on cisplatin-induced acute anorexia in rats. Front Pharmacol 2023; 14:1267254. [PMID: 38026983 PMCID: PMC10665510 DOI: 10.3389/fphar.2023.1267254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 10/30/2023] [Indexed: 12/01/2023] Open
Abstract
Cisplatin is a platinum-based chemotherapeutic agent widely used to treat various cancers. However, several side effects have been reported in treated patients. Among these, acute anorexia is one of the most severe secondary effects. In this study, a single oral administration of 100 or 500 mg/kg ginger extract (GE) significantly alleviated the cisplatin-induced decrease in food intake in rats. However, these body weight and water intake decreases were reversed in the 100 mg/kg group rats. To elucidate the underlying mechanism of action, serotonin (5-HT) and 5-HT2C, 3A, and 4 receptors in the nodose ganglion of the vagus nerve were investigated. The results showed that cisplatin-induced increases in serotonin levels in both the blood and nodose ganglion tissues were significantly decreased by100 and 500 mg/kg of GE administration. On 5-HT receptors, 5-HT3A and 4, but not 2C receptors, were affected by cisplatin, and GE 100 and 500 mg/kg succeeded in downregulating the evoked upregulated gene of these receptors. Protein expression of 5-HT3A and 4 receptors were also reduced in the 100 mg/kg group. Furthermore, the injection of 5-HT3A, and 4 receptors antagonists (palonostron, 0.1 mg/kg, i.p.; piboserod, 1 mg/kg, i.p., respectively) in cisplatin treated rats prevented the decrease in food intake. Using high-performance liquid chromatography (HPLC) analysis, [6]-gingerol and [6]-shogaol were identified and quantified as the major components of GE, comprising 4.12% and 2.15% of the GE, respectively. Although [6]-gingerol or [6]-shogaol alone failed to alleviate the evoked anorexia, when treated together, the effect was significant on the cisplatin-induced decrease in food intake. These results show that GE can be considered a treatment option to alleviate cisplatin-induced anorexia.
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Affiliation(s)
- Hyeonah Kim
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Keun-Tae Park
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Heejoon Jo
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Yuchan Shin
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Geehoon Chung
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Seong-Gyu Ko
- Korean Medicine-Based Drug Repositioning Cancer Research Center, College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Young-Ho Jin
- Department of Physiology, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Woojin Kim
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
- Korean Medicine-Based Drug Repositioning Cancer Research Center, College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
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Kan CY, H'ng JX, Goh A, Smales F, Tan EL, Zhang S, Pichika MR, Parolia A. Effect of Sustained Systemic Administration of Ginger (Z officinale) Rhizome Extracts on Salivary Flow in Mice. Int Dent J 2023; 73:63-70. [PMID: 35725589 PMCID: PMC9875258 DOI: 10.1016/j.identj.2022.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 04/12/2022] [Accepted: 04/27/2022] [Indexed: 01/28/2023] Open
Abstract
OBJECTIVE This study aimed to evaluate the effect of methanol (70% v/v), ethanol (80% v/v), dimethyl sulfoxide (DMSO; 100% v/v) extracts of ginger rhizome (GR), and 6-shogaol on the pilocarpine-stimulated salivary flow rate in C57BL/6 mice. METHODS Three extracts of ginger (Zingiber officinale) rhizome prepared by maceration using the respective solvents and 6-shogoal were reconstituted in normal saline with 0.2% DMSO. Thirty C57BL/6 15-week-old mice were divided into 5 groups: Group 1, saline; Group 2, 70% methanol extract; Group 3, 80% ethanol extract; Group 4, 100% DMSO extract; and Group 5, 6-shogaol. The baseline pilocarpine-stimulated salivary flow rate was measured at the age of 15 weeks (15th week), and treatment solutions were administered by intraperitoneal injection from the 16th to 18th week. The stimulated salivary flow rate during treatment weeks was recorded for each group, and its difference with baseline was analysed using paired-sample t test. The change in salivary flow rate between the treatment groups and the control group was analysed using one-way analysis of variance. RESULTS Groups 2, 3, 4, and 5 showed a significant increase in salivary flow rate when compared to baseline (P < .05). The increase in salivary flow rate in all 4 treatment groups was significant when compared to the control group (P < .05). Group 4 produced the highest increase in salivary flow rate; however, the differences amongst the treatment groups did not reach statistical significance (P > .05). CONCLUSIONS All GR extracts (70% methanol, 80% ethanol, 100% DMSO) and 6-shogaol were equally effective in increasing the pilocarpine-stimulated salivary flow rate in C57BL/6 mice when administered systemically as a sustained dose for 3 weeks.
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Affiliation(s)
- Chang Yu Kan
- School of Dentistry, International Medical University, Kuala Lumpur, Malaysia
| | - Jing Xuan H'ng
- School of Dentistry, International Medical University, Kuala Lumpur, Malaysia
| | - Andy Goh
- School of Postgraduate Studies, International Medical University, Kuala Lumpur, Malaysia
| | - Frederick Smales
- School of Dentistry, International Medical University, Kuala Lumpur, Malaysia
| | - Eng Lai Tan
- School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
| | - Shiming Zhang
- School of Postgraduate Studies, International Medical University, Kuala Lumpur, Malaysia
| | - Mallikarjuna Rao Pichika
- Department of Pharmaceutical Chemistry, School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
| | - Abhishek Parolia
- School of Dentistry, International Medical University, Kuala Lumpur, Malaysia.
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6-Gingerol, a major ingredient of ginger, attenuated cisplatin-induced pica in rats via regulating 5-HT3R/Ca2+/CaMKII/ERK1/2 signaling pathway. J Funct Foods 2023. [DOI: 10.1016/j.jff.2022.105389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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6
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Shin Y, Kim B, Kim W. Cisplatin-Induced Nausea and Vomiting: Effect of Herbal Medicines. PLANTS (BASEL, SWITZERLAND) 2022; 11:3395. [PMID: 36501434 PMCID: PMC9736559 DOI: 10.3390/plants11233395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/26/2022] [Accepted: 12/02/2022] [Indexed: 06/17/2023]
Abstract
Cisplatin is a chemotherapeutic agent that is widely used to treat various types of cancers. However, its side effects, most commonly nausea and vomiting, limit its widespread use. Although various drugs, such as ondansetron and aprepitant, are used to alleviate these side effects, their efficacy is still debated. This review aims to summarize the results of 14 studies on the effects of seven single herbal extracts, one multiple herbal extract, and one ginger sub-component (i.e., [6]-gingerol) on cisplatin-induced nausea and vomiting. The results of the included studies were subdivided into four categories: kaolin consumption, retching and vomiting, food intake, and weight loss. Most studies used rodents, whereas four studies used minks or pigeons. The doses of cisplatin used in the studies varied from 3 mg/kg to 7.5 mg/kg, and only a single injection was used. Nine studies analyzed the mechanisms of action of herbal medicines and assessed the involvement of neurotransmitters, cytokines, enzymes, and various hematological parameters. Although further research is needed, this review suggests herbal medicine as a viable treatment option for cisplatin-induced neuropathic pain.
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Affiliation(s)
- Yuchan Shin
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Bonglee Kim
- Korean Medicine-Based Drug Repositioning Cancer Research Center, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Woojin Kim
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
- Korean Medicine-Based Drug Repositioning Cancer Research Center, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
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Choi J, Lee J, Kim K, Choi HK, Lee SA, Lee HJ. Effects of Ginger Intake on Chemotherapy-Induced Nausea and Vomiting: A Systematic Review of Randomized Clinical Trials. Nutrients 2022; 14:4982. [PMID: 36501010 PMCID: PMC9739555 DOI: 10.3390/nu14234982] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 11/16/2022] [Accepted: 11/20/2022] [Indexed: 11/25/2022] Open
Abstract
Nausea and vomiting are the most common side effects of chemotherapy. They must be managed because they can increase the risk of malnutrition in patients, which can adversely affect treatment. The objective of this study was to evaluate the effect of ginger supplementation as an adjuvant treatment for alleviating chemo We checked. therapy-induced nausea and vomiting (CINV). This study searched for randomized controlled trials (RCTs) related to ginger supplement intake for CINV in three electronic databases (i.e., Medline (PubMed), Embase, and Web of Science). The search period ranged from each database's first date of service to 5 November 2021. Two investigators independently performed abstract screenings, full-text screenings, data extraction, and risk of bias analyses (ROB). The Cochrane ROB tool was used for the assessment of ROB. This study systematically reviewed 23 RCTs. The effects of ginger supplementation were compared to those of placebo or antiemetic agents. This study conducted a meta-analysis after classifying the effects of ginger supplementation on acute and delayed CINV into subgroups due to the clinical heterogeneity between these RCTs. The results showed that the incidence of acute nausea (p = 0.53), the incidence of delayed nausea (p = 0.31), the incidence of acute vomiting (p = 0.09), and the incidence of delayed vomiting (p = 0.89) were not significantly different between the ginger supplement intake group and the control group. However, it was found that the ginger supplement intake group, which took not more than 1 g of ginger supplementation per day for above four days, had significantly less acute vomiting than the control group (OR 0.30; 95% CI 0.12 to 0.79; p = 0.02; I2 = 36%). Ginger supplementation may reduce the incidence of acute chemotherapy-induced vomiting. However, this study could not confirm the effects of ginger supplementation on the incidence of chemotherapy-induced nausea and delayed vomiting. Therefore, it will be necessary to conduct additional studies with sufficient sample sizes using high-quality RCTs to evaluate the effects of ginger supplementations based on the results of this study.
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Affiliation(s)
- Jihee Choi
- Department of Food and Nutrition, College of Bionanotechnology, Gachon University, Seongnam-si 13120, Republic of Korea
- Institute for Aging and Clinical Nutrition Research, Gachon University, Seongnam-si 13120, Republic of Korea
| | - Jounghee Lee
- Department of Food and Nutrition, Kunsan National University, Gunsan 54150, Republic of Korea
| | - Kijoon Kim
- Department of Food and Nutrition, Sookmyung Women’s University, Seoul 04310, Republic of Korea
- BOM Institute of Nutrition and Natural Medicine, Seoul 05554, Republic of Korea
| | - Hyo-Kyoung Choi
- Korea Food Research Institute, 245, Nongsaengmyeong-ro, Iseo-myeon, Wanju-gun 55365, Republic of Korea
| | - Se-A Lee
- Department of Food and Nutrition, College of Bionanotechnology, Gachon University, Seongnam-si 13120, Republic of Korea
- Institute for Aging and Clinical Nutrition Research, Gachon University, Seongnam-si 13120, Republic of Korea
| | - Hae-Jeung Lee
- Department of Food and Nutrition, College of Bionanotechnology, Gachon University, Seongnam-si 13120, Republic of Korea
- Institute for Aging and Clinical Nutrition Research, Gachon University, Seongnam-si 13120, Republic of Korea
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Chen L, Wang H, Chen Z, Zhuo W, Xu R, Zeng X, He Q, Guan Y, Li H, Liu H. The Effect of Dried Ginger (Gan Jiang) on Stomach Energy Metabolism and the Related Mechanism in Rats Based on Metabonomics. Chem Biodivers 2022; 19:e202200757. [PMID: 36226702 DOI: 10.1002/cbdv.202200757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 10/10/2022] [Indexed: 11/10/2022]
Abstract
Dried ginger is a commonly used stomachic. Dried ginger is often used as a gastric protector to treat stomach-related diseases. However, the effect of dried ginger on energy metabolism in stomach tissue of rats under physiological condition has not been studied. In this study, different doses of water extract of dried ginger were given to rats for 4 weeks. The activity of Na+ -K+ -ATPase, Ca2+ -Mg2+ -ATPase, SDH (succinate dehydrogenase) enzyme, ATP content, mitochondrial metabolic rate and mitochondrial number in stomach tissue of rats were measured. Analysis of potential biomarkers related to the effect of dried ginger on energy metabolism in stomach tissue of rats by metabonomics, and their metabolic pathways were also analyzed. The results revealed that there was no significant difference in Na+ -K+ -ATPase in high-dose group (GJH), medium-dose group (GJM) and low-dose group (GJL) compared to the Control group. The Ca2+ -Mg2+ -ATPase activity was significantly increased in stomach tissue of GJH group and GJM group, but there were no significant changes in stomach tissue of GJL group. The SDH activity and the ATP levels were significantly increased in stomach tissue of GJH group, GJM group and GJL group. The mitochondrial metabolic rate was significantly increased in GJL group, but there was no significant change in GJM group and was inhibited in GJH group. These effects might be mediated by arginine biosynthesis, glutathione metabolism, arachidonic acid metabolism, glycerophospholipid metabolism, arginine and proline metabolism, purine metabolism pathway.
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Affiliation(s)
- Limei Chen
- The Affiliated Hospital of Jiangxi University of Chinese Medicine, Nanchang, 330004, Jiangxi, China
- Jiangxi University of Chinese Medicine, Nanchang, 330006, Jiangxi, China
- Institute of Chinese Materia Medica China Academy of Chinese Medical, Dongcheng, 100700, Beijing, China
| | - Hui Wang
- Jiangxi University of Chinese Medicine, Nanchang, 330006, Jiangxi, China
- Qidong People's Hospital, Qidong, 226200, Jiangsu, China
| | - Zhao Chen
- Jiangxi University of Chinese Medicine, Nanchang, 330006, Jiangxi, China
| | - Wenhao Zhuo
- Jiangxi University of Chinese Medicine, Nanchang, 330006, Jiangxi, China
| | - Ruixiang Xu
- Jiangxi University of Chinese Medicine, Nanchang, 330006, Jiangxi, China
| | - Xin Zeng
- Jiangxi University of Chinese Medicine, Nanchang, 330006, Jiangxi, China
| | - Qirui He
- Jiangxi University of Chinese Medicine, Nanchang, 330006, Jiangxi, China
| | - Yongmei Guan
- Jiangxi University of Chinese Medicine, Nanchang, 330006, Jiangxi, China
| | - Hui Li
- Institute of Chinese Materia Medica China Academy of Chinese Medical, Dongcheng, 100700, Beijing, China
| | - Hongning Liu
- Jiangxi University of Chinese Medicine, Nanchang, 330006, Jiangxi, China
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Abidi C, Rtibi K, Boutahiri S, Tounsi H, Abdellaoui A, Wahabi S, Gressier B, Eto B, Sebai H. Dose-dependent Action of Zingiber officinale on Colonic Dysmotility and Ex Vivo Spontaneous Intestinal Contraction Modulation. Dose Response 2022; 20:15593258221127556. [PMID: 36132707 PMCID: PMC9483983 DOI: 10.1177/15593258221127556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Accepted: 09/03/2022] [Indexed: 01/10/2023] Open
Abstract
Ginger (Zingiber officinale) rhizomes are commonly used in foods
and employed for many ailments including gastrointestinal disorders. Our main
objective was to evaluate the effect of Zingiber officinale
aqueous extract (ZOAE) on gastrointestinal (GI) physiological motility and
colonic dysmotility. Thereby, Wistar rats were given loperamide
(LP, 3 mg/kg, b.w.) and ZOAE (75, 150, and 300 mg/kg, b.w.) or yohimbine (YOH,
2 mg/kg, b.w.). ZOAE-action on intestinal secretion was assessed using Ussing
chamber technique and intestinal motility with isometric transducer. GI-transit
(GIT) and gastric emptying (GE) were evaluated with the charcoal meal test and
the red phenol methods. ZOAE-bioactive components were analyzed by liquid
chromatography-high resolution electrospray ionization mass spectrometry
(LC-HRESIMS). Constipation was induced with LP and the different indicators such
as stool composition, GIT, oxidative stress biological parameters, and colonic
mucosa histological alteration were performed. Anti-constipation effect of ZOAE
was confirmed on stool composition, GIT (53.42% to 85.57%), GE (55.47% to
98.88%), and re-established oxidative balance. ZOAE induces an amplitude
increase of spontaneous intestinal contraction with EC50 of 10.52 μg/mL. No
effect of ZOAE was observed on electrogenic transport of intestinal fluid. These
findings suggest that ZOAE-bioactive candidates might exert an anti-constipation
action and spontaneous intestinal contraction modulation.
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Affiliation(s)
- Chaima Abidi
- Laboratory of Functional Physiology and Valorization of Bio-Ressources-Higher Institute of Biotechnology of Beja, University of Jendouba, Beja, Tunisia
| | - Kais Rtibi
- Laboratory of Functional Physiology and Valorization of Bio-Ressources-Higher Institute of Biotechnology of Beja, University of Jendouba, Beja, Tunisia
| | - Salima Boutahiri
- Research Team of Chemistry of Bioactive Molecules and the Environment, Laboratory of Innovative Materials and Biotechnology of Natural Resources, Faculty of Sciences, Moulay Ismaïl University, Meknes, Morocco
| | - Haifa Tounsi
- Laboratory of Human and Experimental Pathological Anatomy, Pasteur Institute of Tunis, Beja, Tunisia
| | - Afifa Abdellaoui
- Laboratory of Human and Experimental Pathological Anatomy, Pasteur Institute of Tunis, Beja, Tunisia
| | - Soumaya Wahabi
- Laboratory of Functional Physiology and Valorization of Bio-Ressources-Higher Institute of Biotechnology of Beja, University of Jendouba, Beja, Tunisia
| | - Bernard Gressier
- Laboratory of Pharmacology, Pharmacokinetics and Clinical Pharmacy, Faculty of Pharmacy, University of Lille, Lille, France
| | - Bruno Eto
- Laboratories TBC, Laboratory of Pharmacology, Pharmacokinetics and Clinical Pharmacy, Faculty of Pharmacy, University of Lille, Lille, France
| | - Hichem Sebai
- Laboratory of Functional Physiology and Valorization of Bio-Ressources-Higher Institute of Biotechnology of Beja, University of Jendouba, Beja, Tunisia
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10
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Promdam N, Khuituan P, Panichayupakaranant P. Effects of standardized [6]-gingerol extracts and [6]-gingerol on isolated ileum and lower esophageal sphincter contractions in mice. Food Chem 2022; 378:132077. [PMID: 35042108 DOI: 10.1016/j.foodchem.2022.132077] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 01/03/2022] [Accepted: 01/04/2022] [Indexed: 02/08/2023]
Abstract
Standardized [6]-gingerol extracts were prepared by microwave-assisted extraction using 20% v/v glycerin in ethanol and 20% v/v eutectic mixture of sucrose and citric acid in ethanol as alternative green solvents. The extracts obtained from 20% v/v glycerin in ethanol (GEE) and 20% v/v eutectic mixture of sucrose and citric acid in ethanol (EMSCEE) were standardized by HPLC to contain 17.0 mg/g of [6]-gingerol. The effects of the extracts on mouse ileal contractions via M3 and 5-HT3 receptors as well as lower esophageal sphincter (LES) contraction were determined in vitro relative to the marker compound, [6]-gingerol. [6]-Gingerol, GEE and EMSCEE demonstrated significant and concentration-dependent inhibitory effects on ileal contraction in mice via M3 and 5-HT3 receptors in a noncompetitive manner. In addition, [6]-gingerol and EMSCEE tend to increase the LES tone. These results indicated the potential of GEE and EMSCEE to attenuate nausea and vomiting and might be used as nutraceuticals.
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Affiliation(s)
- Nantaporn Promdam
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Hat-Yai, Songkhla 90112, Thailand
| | - Pissared Khuituan
- Division of Health and Applied Sciences, Faculty of Science, Prince of Songkla University, Hat-Yai, Songkhla 90112, Thailand; Gut Biology and Microbiota Research Unit, Prince of Songkla University, Hat-Yai, Songkhla 90112, Thailand
| | - Pharkphoom Panichayupakaranant
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Hat-Yai, Songkhla 90112, Thailand; Phytomedicine and Pharmaceutical Biotechnology Excellence Center, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Hat-Yai, Songkhla 90112, Thailand.
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11
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Zhang X, Deng J, Tang Y, Guan X, Chen X, Fan J. Zingiberaceae plants/curcumin consumption and multiple health outcomes: An umbrella review of systematic reviews and meta-analyses of randomized controlled trials in humans. Phytother Res 2022; 36:3080-3101. [PMID: 35623903 DOI: 10.1002/ptr.7500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 02/17/2022] [Accepted: 05/06/2022] [Indexed: 01/10/2023]
Abstract
This umbrella review is to recapitulate and grade the available evidence of associations between consumption of Zingiberaceae plants/curcumin (Cur) and multiple health-related outcomes. This study included 161 meta-analyses of randomized controlled trials in 76 articles with 67 unique health outcomes. Data on heterogeneity and publication bias are considered to assess the quality of evidence. Based on the different impact of Zingiberaceae plants/Cur on human health, the advantages outweigh the disadvantages. Zingiberaceae plants/Cur can mainly improve metabolic syndrome, non-alcoholic fatty liver disease, cardiovascular disease, and some chronic inflammatory diseases, likewise, obviously relief the pain of osteoarthritis and related diseases. Ginger supplements have been shown to improve vomiting during pregnancy and to relieve nausea and vomiting caused by chemotherapy and surgery. The surgery is any type of surgery, including laparoscopic surgery, gynecological surgery and mixed surgery. Beneficial associations were found with Cur intervention in gastrointestinal, neurological and oral diseases. Zingiberaceae plants/Cur are generally safe and favorable for multiple health outcomes in humans. High-quality research is further needed to prove the observed associations.
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Affiliation(s)
- Xiaofeng Zhang
- Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Jinlan Deng
- Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Yujun Tang
- Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Xiaoxian Guan
- Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Xiaoli Chen
- Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Jianming Fan
- Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University, Zhengzhou, China
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12
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Czigle S, Bittner Fialová S, Tóth J, Mučaji P, Nagy M. Treatment of Gastrointestinal Disorders-Plants and Potential Mechanisms of Action of Their Constituents. Molecules 2022; 27:2881. [PMID: 35566230 PMCID: PMC9105531 DOI: 10.3390/molecules27092881] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 04/19/2022] [Accepted: 04/26/2022] [Indexed: 11/16/2022] Open
Abstract
The worldwide prevalence of gastrointestinal diseases is about 40%, with standard pharmacotherapy being long-lasting and economically challenging. Of the dozens of diseases listed by the Rome IV Foundation criteria, for five of them (heartburn, dyspepsia, nausea and vomiting disorder, constipation, and diarrhoea), treatment with herbals is an official alternative, legislatively supported by the European Medicines Agency (EMA). However, for most plants, the Directive does not require a description of the mechanisms of action, which should be related to the therapeutic effect of the European plant in question. This review article, therefore, summarizes the basic pharmacological knowledge of synthetic drugs used in selected functional gastrointestinal disorders (FGIDs) and correlates them with the constituents of medicinal plants. Therefore, the information presented here is intended as a starting point to support the claim that both empirical folk medicine and current and decades-old treatments with official herbal remedies have a rational basis in modern pharmacology.
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Affiliation(s)
- Szilvia Czigle
- Department of Pharmacognosy and Botany, Faculty of Pharmacy, Comenius University Bratislava, Odbojárov 10, SK-832 32 Bratislava, Slovakia; (S.B.F.); (J.T.); (P.M.); (M.N.)
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13
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Ashebir G, Nigussie H, Glagn M, Beyene K, Getie A. Determinants of hyperemesis gravidarum among pregnant women attending health care service in public hospitals of Southern Ethiopia. PLoS One 2022; 17:e0266054. [PMID: 35472152 PMCID: PMC9042275 DOI: 10.1371/journal.pone.0266054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 03/11/2022] [Indexed: 11/24/2022] Open
Abstract
Background Hyperemesis gravidarum is severe nausea and excessive vomiting, starting between 4 and 6 gestational weeks, peak at between 8 and 12 weeks and usually improve and subside by 20 weeks of pregnancy. Identifying the determinants of hyperemesis gravidarum has a particular importance for early detection and intervention to reduce the health, psychosocial and economic impact. In Ethiopia there is low information on determinants of hyperemesis gravidarum. Methods Institution based unmatched case-control study design was conducted from April 12- June 12, 2021. A structured face-to-face interviewer administered questionnaire and checklist for document review were used to collect the data from 360 study participants (120 cases and 240 controls). The data were collected by KoBocollect 1.3, and then exported to statistical package for social science version 25 for further analysis. Both bi-variable and multivariable logistic regression analysis were done to identify the determinants and a p-value < 0.05 with a 95% confidence level was used to declare statistical significance. Result Being an urban dweller (AOR = 2.1, 95% CI: 1.01, 4.34), having polygamous husband (AOR = 2.92, 95% CI: 1.27, 6.68), having history asthma/ other respiratory tract infections (AOR = 3.56, 95% CI: 1.43, 8.82), saturated fat intake (AOR = 4.06 95% CI: 1.98, 8.3), no intake of ginger (AOR = 3.04 95% CI: 1.14, 8.09), and inadequate intake of vitamin B rich foods (2.2, 95% CI: 1.14–4.2) were the determinants of hyperemesis gravidarum. Conclusion This study revealed that, urban residence, having polygamous husband, history of asthma/other respiratory tract infections, intake of saturated fat, no intake of ginger, inadequate intake of vitamin B reach foods were found to be independent determinants of hyperemesis gravidarum. It is better if healthcare providers and government authorities exert continual effort to give health education and counselling service concerning to dietary practice and asthma attacks. It is advisable if pregnant women adhere to healthy diets and limit intake of saturated fats and also husband and nearby relatives give care and support for pregnant women.
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Affiliation(s)
- Gedife Ashebir
- School of Public Health, College of Medicine and Health Sciences, Arba Minch University, Arba Minch, Ethiopia
| | - Haymanot Nigussie
- School of Public Health, College of Medicine and Health Sciences, Arba Minch University, Arba Minch, Ethiopia
| | - Mustefa Glagn
- School of Public Health, College of Medicine and Health Sciences, Arba Minch University, Arba Minch, Ethiopia
| | - Kassaw Beyene
- Department of Midwifery, College of Medicine and Health Sciences, Arba Minch University, Arba Minch, Ethiopia
- * E-mail:
| | - Asmare Getie
- School of Nursing, College of Medicine and Health Sciences, Arba Minch University, Arba Minch, Ethiopia
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Pradhan SK, Li Y, Gantenbein AR, Angst F, Lehmann S, Shaban H. Wen Dan Tang: A Potential Jing Fang Decoction for Headache Disorders? MEDICINES 2022; 9:medicines9030022. [PMID: 35323721 PMCID: PMC8955743 DOI: 10.3390/medicines9030022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 03/02/2022] [Accepted: 03/03/2022] [Indexed: 11/16/2022]
Abstract
Background: Chinese herbal medicine is considered relatively safe, inexpensive, and easily accessible. Wen Dan Tang (WDT), a Jing Fang ancient classical Chinese herbal formula with a broad indication profile has been used for several centuries in China to treat various illnesses. Question: Are there evidence-based clinical trials that show that WDT has a significant impact on the treatment of various diseases, especially in patients with migraine and tension-type headaches (TTH)? Methods: This study is based on an online database search using PubMed, Medline, Cochrane Library, AcuTrials, Embase, Semantic Scholar, Jstor, internet research, and review of ancient and modern Chinese medical textbooks regarding WDT and its compounds. Results: There were no studies on WDT in migraine and TTH; therefore, this work gathers and describes data for every single compound in the formula. Conclusion: This study suggests that the bioactive compounds found in WDT composition show potential in treating patients with neurological, psychiatric disorders, cardiovascular diseases, metabolic syndrome, and digestive disorders. Some coherence between WDT in headache reduction and improvements in the quality of life in patients with migraines and TTH could be evaluated, showing positive results of WDT in these patients.
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Affiliation(s)
- Saroj K. Pradhan
- Research Department Rehaklinik, TCM Ming Dao, ZURZACH Care, 5330 Bad Zurzach, Switzerland;
- Research Department, Swiss TCM Academy, 5330 Bad Zurzach, Switzerland
- Research Department, Nanjing University of Chinese Medicine, Nanjing 210029, China
- Correspondence:
| | - Yiming Li
- Research Department Rehaklinik, TCM Ming Dao, ZURZACH Care, 5330 Bad Zurzach, Switzerland;
- Research Department, Swiss TCM Academy, 5330 Bad Zurzach, Switzerland
- Research Department, Nanjing University of Chinese Medicine, Nanjing 210029, China
| | - Andreas R. Gantenbein
- Neurology & Neurorehabilitation Department Rehaklinik, ZURZACH Care, 5330 Bad Zurzach, Switzerland;
| | - Felix Angst
- Research Department Rehaklinik, ZURZACH Care, 5330 Bad Zurzach, Switzerland; (F.A.); (S.L.)
| | - Susanne Lehmann
- Research Department Rehaklinik, ZURZACH Care, 5330 Bad Zurzach, Switzerland; (F.A.); (S.L.)
| | - Hamdy Shaban
- Department of Private Psychiatry Clinic of UPK, University Psychiatric Clinics, 4002 Basel, Switzerland;
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The Antiemetic Mechanisms of Gingerols against Chemotherapy-Induced Nausea and Vomiting. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:1753430. [PMID: 35251202 PMCID: PMC8893993 DOI: 10.1155/2022/1753430] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 12/14/2021] [Accepted: 02/02/2022] [Indexed: 02/08/2023]
Abstract
Chemotherapy-induced nausea and vomiting (CINV) is a common and painful side effect that occurs in cancer patients receiving chemotherapeutic drugs. Although an abundance of agents are applied to prevent CINV, there is still lack of effective control in delayed nausea and vomiting. Ginger (Zingiber officinale Rosc.), a traditional antiemetic herb, draws attention due to its therapeutic effect in treating acute and delayed CINV. Its main bioactive pungent constituents, gingerols, contribute to the antiemetic effect against CINV primarily. A growing number of reports have made progress in investigating the mechanisms of gingerols and their single ingredients against CINV. In this review, we searched for relevant studies in PubMed database to summarize the mechanism of gingerols in the prevention of CINV and provided a preliminary prediction on the potential targets and signaling pathways using network pharmacology, laying a foundation for further researches.
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16
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Tursi A, Picchio M, Elisei W, Allegretta L, Benedicenti P, Bossa F, Di Bella S, Elefante A, Gallina S, Greco F, Maurichi F, Palieri AP, Penna A, Pranzo G, Rizzo GL, Brandimarte G, Abenavoli L, Alfieri MS, Antonino N, Autorino C, Bellomo P, Casamassima C, Colucci BP, De Cristofaro V, Demauro R, Derenzio P, Detommasi F, Fazio M, Ferrari V, Gallo A, Greco D, Lisco V, Lore F, Manfredi M, Marsano G, Mascoli P, Mazzilli L, Messa G, Minoretti G, Misciagna P, Monterisi F, Nappi S, Resta AR, Saponaro P, Sbarra G, Scutifero S, Selvaggio V, Sica G, Tarallo M, Torelli G, Vigilante C, Zecchillo P. Effectiveness and Safety of A Nutraceutical Formulation for the Treatment of Functional Dyspepsia in Primary Care. Rev Recent Clin Trials 2021; 16:329-334. [PMID: 34126909 DOI: 10.2174/1574887116666210612034911] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 04/07/2021] [Accepted: 04/28/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Although FD may affect up to 10% of the general population, the therapy for FD is not standard. Recently, ginger-based food supplements have been proposed in order to restore FD symptoms. Our aim was to assess the efficacy of a new nutraceutical formulation containing extract of gingerol and thymus as a possible natural treatment in managing the symptoms of functional dyspepsia (FD). METHODS We retrospectively analyzed the efficacy and safety profiles of a nutraceutical formulation containing Zingiber officinalis root extract and a standardized Thymus extract. It was administered as 1 ml/day twice a day for 90 days. Patients were assessed at baseline and after 1, 2 and 3 months of treatment, following a month of pharmacological washout by completing a questionnaire reporting the trend of the following symptoms: epigastric pain, epigastric heaviness, early satiety, belching, and regurgitation. Every symptom was assessed by a Visual Analogic Scale (VAS), ranging from 0= absence to 10= maximal severity. RESULTS We enrolled 272 patients (99 males and 173 females; median IQR age 49.5, 36-64 yrs). Obesity (BMI>30) was present in 28 (12.5%) patients; smokers were 83 (30.5%); and comorbidities were present in 107 (39.3%) patients. Improvement of symptom scores during treatment and one month after its suspension was extremely significant (p<0.000). CONCLUSION This large study found that nutraceutical formulation could be one of the tools for an empirical approach to treat patients with FD, especially when a non-conventional drug treatment is preferable for the patient and considered suitable by the physician.
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Affiliation(s)
- Antonio Tursi
- Territorial Gastroenterology Service, ASL BAT, Andria (BT), Italy
| | - Marcello Picchio
- Division of Surgery, "P. Colombo" Hospital, ASL Roma 6, Velletri (Rome), Italy
| | - Walter Elisei
- Division of Gastroenterology, "S. Camillo" Hospital, Rome, Italy
| | - Leonardo Allegretta
- Division of Gastroenterology, "Santa Caterina Novella" Hospital, Galatina (LE), Italy
| | | | - Fabrizio Bossa
- Division of Gastroenterology, IRCCS "Casa Sollievo della Sofferenza" Hospital, S. Giovanni Rotondo (FG), Italy
| | - Simone Di Bella
- Division of Gastroenterology and Digestive Endoscopy, "A. Perrino" Hospital, Brindisi, Italy
| | - Antonio Elefante
- Territorial Gastroenterology Service, Mesagne Territorial Hospital, ASL BR, Mesagne (BR), Italy
| | - Stefano Gallina
- Division of Internal Medicine, "Card. Panico" Hospital, Tricase (LE), Italy
| | - Federica Greco
- Department of Health Sciences, Magna Graecia University, Catanzaro, Italy
| | - Francesco Maurichi
- Division of Internal Medicine, "Card. Panico" Hospital, Tricase (LE), Italy
| | | | - Antonio Penna
- Ambulatory of Territorial Gastroenterology, ASL BA, Bari, Italy
| | - Giuseppe Pranzo
- Ambulatory of Digestive Endoscopy, "Valle D'Itria" Hospital, Martina Franca (TA), Italy
| | - Giovanni Luca Rizzo
- Division of Gastroenterology and Digestive Endoscopy, "A. Perrino" Hospital, Brindisi, Italy
| | - Giovanni Brandimarte
- Division of Internal Medicine and Gastroenterology, "Cristo Re" Hospital, Rome, Italy
| | - Ludovico Abenavoli
- Department of Health Sciences, Magna Graecia University, Catanzaro, Italy
| | | | - Natale Antonino
- General Pratictioner and Private Gastroenterologist, Bisceglie (Barletta-Andria-Trani), Italy
| | | | | | - Carlo Casamassima
- General Pratictioner and Private Gastroenterologist, S. Ferdinando di Puglia (Barletta-Andria-Trani), Italy
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Mario Tarallo
- General Pratictioner and Private Endocrinologist, Bari, Italy
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Nocerino R, Cecere G, Micillo M, De Marco G, Ferri P, Russo M, Bedogni G, Berni Canani R. Efficacy of ginger as antiemetic in children with acute gastroenteritis: a randomised controlled trial. Aliment Pharmacol Ther 2021; 54:24-31. [PMID: 34018223 PMCID: PMC8252074 DOI: 10.1111/apt.16404] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 07/18/2020] [Accepted: 04/18/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND Ginger is a spice with a long history of use as a traditional remedy for nausea and vomiting. No data on the efficacy of ginger are presently available for children with vomiting associated with acute gastroenteritis (AGE). AIM To test whether ginger can reduce vomiting in children with AGE. METHODS Double-blind, randomised placebo-controlled trial in outpatients aged 1 to 10 years with AGE-associated vomiting randomised to ginger or placebo. The primary outcome was the occurrence of ≥1 episode of vomiting after the first dose of treatment. Severity of vomiting and safety were also assessed. RESULTS Seventy-five children were randomised to the ginger arm and 75 to the placebo arm. Five children in the ginger arm and 4 in the placebo arm refused to participate in the study shortly after randomisation, leaving 70 children in the ginger arm and 71 in the placebo arm (N = 141). At intention-to-treat analysis (N = 150), assuming that all children lost to follow-up had reached the primary outcome, the incidence of the main outcome was 67% (95% CI 56 to 77) in the ginger group and 87% (95% CI 79 to 94) in the placebo group, corresponding to the absolute risk reduction for the ginger versus the placebo group of -20% (95% CI -33% to -7%, P = 0.003), with a number needed to treat of 5 (95% CI 3 to 15). CONCLUSION Oral administration of ginger is effective and safe at improving vomiting in children with AGE. TRIAL REGISTRATION The trial was registered on https://clinicaltrials.gov/ with the identifier NCT02701491.
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Affiliation(s)
- Rita Nocerino
- Department of Translational Medical ScienceUniversity of Naples Federico IINaplesItaly
- CEINGE Advanced BiotechnologiesUniversity of Naples Federico IINaplesItaly
| | - Gaetano Cecere
- Department of Translational Medical ScienceUniversity of Naples Federico IINaplesItaly
| | - Maria Micillo
- Department of Translational Medical ScienceUniversity of Naples Federico IINaplesItaly
| | - Giulio De Marco
- Department of Translational Medical ScienceUniversity of Naples Federico IINaplesItaly
| | - Pasqualina Ferri
- Department of Translational Medical ScienceUniversity of Naples Federico IINaplesItaly
| | - Mariateresa Russo
- Department of Translational Medical ScienceUniversity of Naples Federico IINaplesItaly
| | - Giorgio Bedogni
- CEINGE Advanced BiotechnologiesUniversity of Naples Federico IINaplesItaly
- Clinical Epidemiology Unit, Liver Research CenterBasovizza, TriesteItaly
| | - Roberto Berni Canani
- Department of Translational Medical ScienceUniversity of Naples Federico IINaplesItaly
- CEINGE Advanced BiotechnologiesUniversity of Naples Federico IINaplesItaly
- European Laboratory for the Investigation of Food‐induced DiseasesUniversity of Naples Federico IINaplesItaly
- Task Force on Microbiome StudiesUniversity of Naples Federico IINaplesItaly
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Hughes T, Azim S, Ahmad Z. Inhibition of Escherichia coli ATP synthase by dietary ginger phenolics. Int J Biol Macromol 2021; 182:2130-2143. [PMID: 34087308 DOI: 10.1016/j.ijbiomac.2021.05.168] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 04/29/2021] [Accepted: 05/25/2021] [Indexed: 11/26/2022]
Abstract
For centuries, dietary ginger has been known for its antioxidant, anticancer, and antibacterial properties. In the current study, we examined the link between antibacterial properties of 7 dietary ginger phenolics (DGPs)-gingerenone A, 6-gingerol, 8-gingerol, 10-gingerol, paradol, 6-shogaol, and zingerone-and inhibition of bacterial ATP synthase. DGPs caused complete (100%) inhibition of wild-type Escherichia coli membrane-bound F1Fo ATP synthase, but partial and variable (0%-87%) inhibition of phytochemical binding site mutant enzymes αR283D, αE284R, βV265Q, and γT273A. The mutant enzyme ATPase activity was 16-fold to 100-fold lower than that of the wild-type enzyme. The growth of wild-type, null, and mutant strains in the presence of the 7 DGPs were abrogated to variable degrees on limiting glucose and succinate media. DGPs-caused variable inhibitory profiles of wild-type and mutant ATP synthase confirm that residues of α-, β-, and γ-subunits are involved in the formation of phytochemical binding site. The variable degree of growth in the presence of DGPs also indicates the possibility of molecular targets other than ATP synthase. Our results establish that antibacterial properties of DGPs can be linked to the binding and inhibition of bacterial ATP synthase. Therefore, bacterial ATP synthase is a valuable molecular target for DGPs.
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Affiliation(s)
- Taurin Hughes
- Department of Biochemistry, Kirksville College of Osteopathic Medicine, A.T. Still University, Kirksville, MO 63501, USA
| | - Samiya Azim
- University of Missouri-Kansas City, School of Medicine, Kansas City, MO 64108, USA
| | - Zulfiqar Ahmad
- Department of Biochemistry, Kirksville College of Osteopathic Medicine, A.T. Still University, Kirksville, MO 63501, USA.
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Sugimoto N, Katakura M, Matsuzaki K, Miyamoto M, Sumiyoshi E, Wada T, Yachie A, Nakamura H, Shido O. Ginger facilitates cell migration and heat tolerance in mouse fibroblast cells. Mol Med Rep 2021; 23:250. [PMID: 33537806 PMCID: PMC7893714 DOI: 10.3892/mmr.2021.11889] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 12/03/2020] [Indexed: 11/12/2022] Open
Abstract
The components of ginger root (Zingiber officinale Roscoe) are widely used for various medicinal purposes. Several bioactive compounds have been identified in ginger, including 6‑, 8‑ and 10‑gingerols, and 6‑shogaol, which are agonists of the thermo‑sensors transient receptor potential (TRP) cation channel subfamily V member 1 and TRP ankyrin 1. Our previous study demonstrated that ginger powder may affect human metabolism in vivo. However, the effects of the bioactive compounds of ginger on cells have not been completely elucidated. The present study investigated whether ginger powder extracts could modify cell functions in mouse fibroblast cells. The active components of ginger powder extracts were characterized using high‑performance liquid chromatography. The activation of protein kinases, actin assembly, cell migration, expression levels of heat shock proteins (HSPs) and cell viability after heat shock were analyzed in NIH3T3 mouse fibroblast cells. Subsequently, 6‑, 8‑, 10‑ and 12‑gingerols, as well as 6‑, 8‑ and 10‑shogaols, were detected in ginger powder extracts. The levels of phosphorylated Akt, mTOR, ERK and p38 MAPK increased after a 10‑min stimulation with ginger powder extracts. In addition, HSP expression levels, lamellipodia formation occurring at cell edges, cell migration and tolerance against heat shock were facilitated following ginger powder extract stimulation. These results suggest that ginger modified cell functions, including actin assembly and heat tolerance, in vitro.
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Affiliation(s)
- Naotoshi Sugimoto
- Department of Physiology, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Ishikawa 920-8640, Japan
- Department of Environmental Physiology, School of Medicine, Shimane University, Izumo, Shimane 693-8501, Japan
- Department of Pediatrics, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Ishikawa 920-8640, Japan
| | - Masanori Katakura
- Department of Environmental Physiology, School of Medicine, Shimane University, Izumo, Shimane 693-8501, Japan
- Department of Nutritional Physiology, Faculty of Pharmaceutical Sciences, Josai University, Sakado, Saitama 350-0295, Japan
| | - Kentaro Matsuzaki
- Department of Environmental Physiology, School of Medicine, Shimane University, Izumo, Shimane 693-8501, Japan
| | - Mayumi Miyamoto
- Department of Environmental Physiology, School of Medicine, Shimane University, Izumo, Shimane 693-8501, Japan
| | - Eri Sumiyoshi
- Department of Environmental Physiology, School of Medicine, Shimane University, Izumo, Shimane 693-8501, Japan
| | - Taizo Wada
- Department of Pediatrics, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Ishikawa 920-8640, Japan
| | - Akihiro Yachie
- Department of Pediatrics, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Ishikawa 920-8640, Japan
| | - Hiroyuki Nakamura
- Department of Public Health Pediatrics, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Ishikawa 920-8640, Japan
| | - Osamu Shido
- Department of Environmental Physiology, School of Medicine, Shimane University, Izumo, Shimane 693-8501, Japan
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Bahramsoltani R, Rahimi R. Hot and Cold Theory: Evidence in Pharmacology. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1343:109-117. [DOI: 10.1007/978-3-030-80983-6_7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Rodriguez Araujo N, Fabiani C, Mazzarini Dimarco A, Bouzat C, Corradi J. Orthosteric and Allosteric Activation of Human 5-HT 3A Receptors. Biophys J 2020; 119:1670-1682. [PMID: 32946769 DOI: 10.1016/j.bpj.2020.08.029] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 07/18/2020] [Accepted: 08/24/2020] [Indexed: 12/24/2022] Open
Abstract
The serotonin type 3 receptor (5-HT3) is a ligand-gated ion channel that converts the binding of the neurotransmitter serotonin (5-HT) into a transient cation current that mediates fast excitatory responses in peripheral and central nervous systems. Information regarding the activation and modulation of the human 5-HT3 type A receptor has been based only on macroscopic current measurements because of its low ion conductance. By constructing a high-conductance human 5-HT3A receptor, we here revealed mechanistic information regarding the orthosteric activation by 5-HT and by the partial agonist tryptamine, and the allosteric activation by the terpenoids, carvacrol, and thymol. Terpenoids potentiated macroscopic currents elicited by the orthosteric agonist and directly elicited currents with slow-rising phases and submaximal amplitudes. At the single-channel level, activation by orthosteric and allosteric agonists appeared as openings in quick succession (bursts) that showed no ligand concentration dependence. Bursts were grouped into long-duration clusters in the presence of 5-HT and even longer in the presence of terpenoids, whereas they remained isolated in the presence of tryptamine. Kinetic analysis revealed that allosteric and orthosteric activation mechanisms can be described by the same scheme that includes transitions of the agonist-bound receptor to closed intermediate states before opening (priming). Reduced priming explained the partial agonism of tryptamine; however, equilibrium constants for gating and priming were similar for 5-HT and terpenoid activation. Thus, our kinetic analysis revealed that terpenoids are efficacious agonists for 5-HT3A receptors. These findings not only extend our knowledge about the human 5-HT3A molecular function but also provide novel insights into the mechanisms of action of allosteric ligands, which are of increasing interest as therapeutic drugs in all the superfamily.
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Affiliation(s)
- Noelia Rodriguez Araujo
- Instituto de Investigaciones Bioquímicas de Bahía Blanca (INIBIBB), Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur (UNS)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Bahía Blanca, Argentina
| | - Camila Fabiani
- Instituto de Investigaciones Bioquímicas de Bahía Blanca (INIBIBB), Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur (UNS)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Bahía Blanca, Argentina
| | - Albano Mazzarini Dimarco
- Instituto de Investigaciones Bioquímicas de Bahía Blanca (INIBIBB), Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur (UNS)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Bahía Blanca, Argentina
| | - Cecilia Bouzat
- Instituto de Investigaciones Bioquímicas de Bahía Blanca (INIBIBB), Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur (UNS)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Bahía Blanca, Argentina.
| | - Jeremías Corradi
- Instituto de Investigaciones Bioquímicas de Bahía Blanca (INIBIBB), Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur (UNS)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Bahía Blanca, Argentina.
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22
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Di Pierro F, Giovannone M, Saponara M, Ivaldi L. Effectiveness of a nutraceutical supplement containing highly standardized perilla and ginger extracts in patients with functional dyspepsia. MINERVA GASTROENTERO 2020; 66:35-40. [PMID: 32283883 DOI: 10.23736/s1121-421x.19.02650-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND In Western countries functional dyspepsia (FD) has a prevalence of 10-20% among adults and although many drugs are currently available for use within clinical practice, FD remains an important challenge for physicians. Recently, food supplements that are ginger-based, along with other botanicals, have been proposed to be a possible natural alternative to pharmaceutical drugs to empirically counteract the symptoms of FD. METHODS We have therefore retrospectively analyzed the efficacy and safety profiles of a nutraceutical containing, in addition to a highly standardized ginger root extract, a multi-fractionated botanical obtained from Perilla frutescens leaf containing an innovative bouquet of compounds, including hydrophilic polyphenols and the lipophilic terpenoid perilla ketone. RESULTS The results of our single-group study, obtained from patients with a diagnosis of FD who were treated with the perilla/ginger nutraceutical, demonstrated a good efficacy profile, with a significant reduction observed in nearly all evaluated symptoms (epigastric pain, heartburn, gastric reflux, nausea, borborygmi, early satiety, diarrhea/constipation) starting from the first week of treatment that was further improved after 2 weeks. The treatment was well tolerated with very mild side effects (flatulence, meteorism, gastric burning, difficulty in falling asleep) lasting 3-4 days, which disappeared without stopping the treatment. CONCLUSIONS Despite all the limitations of our pragmatic study, we believe that the perilla and ginger supplement we have used can be considered a valid tool for an empirical approach to treating patients with FD, especially when a non-conventional drug treatment is preferable to the patient and considered suitable by the physician.
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Affiliation(s)
| | | | | | - Leandro Ivaldi
- Department of Digestive Endoscopy, Ceva Hospital, Ceva, Cuneo, Italy
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23
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Zhen L, Wei Q, Wang Q, Zhang H, Adu-Frimpong M, Kesse Firempong C, Xu X, Yu J. Preparation and in vitro/in vivo evaluation of 6-Gingerol TPGS/PEG-PCL polymeric micelles. Pharm Dev Technol 2019; 25:1-8. [DOI: 10.1080/10837450.2018.1558239] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Lijun Zhen
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People’s Republic of China
| | - Qiuyu Wei
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People’s Republic of China
| | - Qilong Wang
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People’s Republic of China
| | - Huiyun Zhang
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People’s Republic of China
| | - Michael Adu-Frimpong
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People’s Republic of China
| | - Caleb Kesse Firempong
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People’s Republic of China
- Department of Biochemistry and Biotechnology, College of Science, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Ximing Xu
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People’s Republic of China
| | - Jiangnan Yu
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People’s Republic of China
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24
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Guo F, Yang C, Zang C, Shang Y, Zhang B, Yu H, Li C, Duan S. Comparison of the quality of Chinese ginger juice powders prepared by different drying methods. J FOOD PROCESS ENG 2019. [DOI: 10.1111/jfpe.13252] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Fengqian Guo
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences Beijing China
| | - Chunyu Yang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences Beijing China
| | - Chen Zang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences Beijing China
| | - Yue Shang
- Chinese Pharmacopoeia Commission Beijing China
| | - Baoxian Zhang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences Beijing China
| | - Hailan Yu
- School of PharmacyInstitute for Innovative Drug Design and Evaluation, Henan University Kaifeng Henan China
| | - Cui Li
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences Beijing China
| | - Shaofeng Duan
- School of PharmacyInstitute for Innovative Drug Design and Evaluation, Henan University Kaifeng Henan China
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Medical SciencesHenan University Kaifeng Henan China
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25
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Lederer AK, Schmucker C, Kousoulas L, Fichtner-Feigl S, Huber R. Naturopathic Treatment and Complementary Medicine in Surgical Practice. DEUTSCHES ARZTEBLATT INTERNATIONAL 2019; 115:815-821. [PMID: 30678751 DOI: 10.3238/arztebl.2018.0815] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 01/02/2018] [Accepted: 09/06/2018] [Indexed: 01/09/2023]
Abstract
BACKGROUND Many patients in Germany use naturopathic treatments and complementary medicine. Surveys have shown that many also use them as a concomitant treatment to surgery. METHODS Multiple databases were systematically searched for systematic reviews, controlled trials, and experimental studies concerning the use of naturopathic treatments and complementary medicine in the management of typical post-operative problems (PROSPERO CRD42018095330). RESULTS Of the 387 publications identified by the search, 76 fulfilled the inclusion criteria. In patients with abnormal gastrointestinal activity, acupuncture can improve motility, ease the passing of flatus, and lead to earlier defecation. Acupuncture and acupressure can reduce postoperative nausea and vomiting, as well as pain. More-over,aromatherapy and music therapy seem to reduce pain, stress and anxiety and to improve sleep. Further studies are needed to determine whether phytotherapeutic treatments are effective for the improvement of gastrointestinal function or the reduction of stress. It also remains unclear whether surgical patients can benefit from the methods of mind body medicine. CONCLUSION Certain naturopathic treatments and complementary medical methods may be useful in postoperative care and deserve more intensive study. In the publications consulted for this review, no serious side effects were reported.
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Affiliation(s)
- Ann-Kathrin Lederer
- Center for Complementary Medicine, Institute for Infection Prevention and Hospital Epidemiology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg; Institute for Evidence in Medicine (for Cochrane Germany Foundation), Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg; Department for General and Visceral Surgery, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg
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Huang Y, Patil MJ, Yu M, Liptak P, Undem BJ, Dong X, Wang G, Yu S. Effects of ginger constituent 6-shogaol on gastroesophageal vagal afferent C-fibers. Neurogastroenterol Motil 2019; 31:e13585. [PMID: 30947399 PMCID: PMC6522279 DOI: 10.1111/nmo.13585] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 02/22/2019] [Accepted: 03/05/2019] [Indexed: 02/08/2023]
Abstract
BACKGROUND Ginger has been used as an herbal medicine worldwide to relieve nausea/vomiting and gastrointestinal discomfort, but the cellular and molecular mechanisms of its neuronal action remain unclear. The present study aimed to determine the effects of ginger constituent 6-shogaol on gastroesophageal vagal nodose C-fibers. METHODS Extracellular single-unit recording and two-photon nodose neuron imaging were performed, respectively, in ex vivo gastroesophageal-vagal preparations from wild type and Pirt-GCaMP6 transgenic mice. The action potential discharge or calcium influx evoked by mechanical distension and chemical perfusions applied to the gastroesophageal vagal afferent nerve endings were recorded, respectively, at their intact neuronal cell soma in vagal nodose ganglia. The effects of 6-shogaol on nodose C-fiber neurons were then compared and determined. KEY RESULTS Gastroesophageal application of 6-shogaol-elicited intensive calcium influxes in nodose neurons and evoked robust action potential discharges in most studied nodose C-fibers. Such activation effects were followed by a desensitized response to the second application of 6-shogaol. However, action potential discharges evoked by esophageal mechanical distension, after 6-shogaol perfusion, did not significantly change. Pretreatment with TRPA1 selective blocker HC-030031 inhibited 6-shogaol-induced action potential discharges in gastric and esophageal nodose C-fiber neurons, suggesting that TRPA1 played a role in mediating 6-shogaol-induced activation response. CONCLUSION AND INFERENCES This study provides evidence that ginger constituent 6-shogaol directly activates vagal afferent C-fiber peripheral gastrointestinal endings. This activation leads to desensitization to subsequent application of 6-shogaol but not subsequent esophageal mechanical distension. Further investigation is required to establish a possible contribution in its anti-emetic effects.
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Affiliation(s)
- Yongming Huang
- Department of Medicine, Johns Hopkins University School of Medicine, USA,Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Mayur J. Patil
- Department of Medicine, Johns Hopkins University School of Medicine, USA
| | - Mingwei Yu
- Department of Medicine, Johns Hopkins University School of Medicine, USA
| | - Peter Liptak
- Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Slovakia
| | - Bradley J. Undem
- Department of Medicine, Johns Hopkins University School of Medicine, USA
| | - Xinzhong Dong
- Department of Neuroscience, Solomon H. Snyder Johns Hopkins University School of Medicine, USA
| | - Guobin Wang
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Shaoyong Yu
- Department of Medicine, Johns Hopkins University School of Medicine, USA,Corresponding: Shaoyong Yu, MD, MPH., Johns Hopkins University School of Medicine, Ross Research Building, Room 945, 720 Rutland Ave, Baltimore 21205, Phone: (410) 502-2455,
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27
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Loganathan P, Gajendran M, McCallum R. Current and future treatment management strategies for gastroparesis. Expert Opin Orphan Drugs 2019. [DOI: 10.1080/21678707.2019.1617694] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Priyadarshini Loganathan
- Department of Internal Medicine, Texas Tech University Health Sciences Center Paul L. Foster School of Medicine, El Paso, TX, USA
| | - Mahesh Gajendran
- Department of Internal Medicine, Texas Tech University Health Sciences Center Paul L. Foster School of Medicine, El Paso, TX, USA
| | - Richard McCallum
- Division of Gastroenterology, Texas Tech University Health Sciences Center, Paul L Foster School of Medicine, El Paso, TX, USA
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Mohammed OJ, Pratten MK. Micromass Methods for the Evaluation of Developmental Toxicants. Methods Mol Biol 2019; 1965:49-72. [PMID: 31069668 DOI: 10.1007/978-1-4939-9182-2_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2023]
Abstract
Chick embryonic heart has recently been utilized as a model to create a micromass (MM) culturing system. The aim was to overcome the ethical barriers arising from testing the embryotoxicity of chemicals using human embryonic cells. The system represents a valuable tool to study the ability of chemicals to interfere with various embryonic developmental processes such as cellular communication, differentiation, cellular activity, and proliferation, where the disturbance any of them could result in maldevelopment. The system can also be utilized to investigate ROS production and expression of several transmembrane proteins to study their roles in chemical-induced teratogenicity or embryotoxicity.
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Affiliation(s)
- Omar J Mohammed
- School of Life Sciences, Faculty of Medicine and Health Sciences, Medical School, QMC, University of Nottingham, Nottingham, NG7 2UH, UK
| | - Margaret K Pratten
- School of Life Sciences, Faculty of Medicine and Health Sciences, Medical School, QMC, University of Nottingham, Nottingham, NG7 2UH, UK.
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Al Kury LT, Mahgoub M, Howarth FC, Oz M. Natural Negative Allosteric Modulators of 5-HT₃ Receptors. Molecules 2018; 23:E3186. [PMID: 30513973 PMCID: PMC6321066 DOI: 10.3390/molecules23123186] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2018] [Revised: 11/24/2018] [Accepted: 11/29/2018] [Indexed: 02/08/2023] Open
Abstract
Chemotherapy-induced nausea and vomiting (CINV) remain the most common and devastating side-effects associated with cancer chemotherapy. In recent decades, several lines of research emphasize the importance of 5-hydroxytryptamine3 (5-HT3; serotonin) receptors in the pathogenesis and treatment of CINV. 5-HT₃ receptors are members of ligand-gated ion channels that mediate the rapid and transient membrane-depolarizing effect of 5-HT in the central and peripheral nervous system. These receptors play important roles in nausea and vomiting, as well as regulation of peristalsis and pain transmission. The development of antagonists for 5-HT₃ receptor dramatically improved the treatment of CINV in cancer patients. In fact, the most common use of 5-HT₃ receptor antagonists to date is the treatment of nausea and vomiting. In recent years, there has been an increasing tendency to use natural plant products as important therapeutic entities in the treatment of various diseases. In this article, we examined the results of earlier studies on the actions of natural compounds on the functional properties of 5-HT₃ receptors. It is likely that these natural modulators of 5-HT₃ receptors can be employed as lead structures for the synthesis of therapeutic agents for treating CINV in future clinical studies.
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Affiliation(s)
- Lina T Al Kury
- Department of Health Sciences, College of Natural and Health Sciences, Zayed University, 144534 Abu Dhabi, United Arab Emirates.
| | - Mohamed Mahgoub
- Departments of Pharmacology, College of Medicine and Health Sciences, UAE University, 15551 Al Ain, United Arab Emirates.
| | - Frank Christopher Howarth
- Departments of Physiology, College of Medicine and Health Sciences, UAE University, 15551 Al Ain, United Arab Emirates.
| | - Murat Oz
- Department of Pharmacology and Therapeutics, Faculty of Pharmacy, Kuwait University, 13060 Kuwait.
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Tóth B, Lantos T, Hegyi P, Viola R, Vasas A, Benkő R, Gyöngyi Z, Vincze Á, Csécsei P, Mikó A, Hegyi D, Szentesi A, Matuz M, Csupor D. Ginger (Zingiber officinale): An alternative for the prevention of postoperative nausea and vomiting. A meta-analysis. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2018; 50:8-18. [PMID: 30466995 DOI: 10.1016/j.phymed.2018.09.007] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Revised: 07/04/2018] [Accepted: 09/03/2018] [Indexed: 01/03/2023]
Abstract
BACKGROUND Postoperative nausea and vomiting (PONV) is a distressing outcome related to surgeries. Traditionally, ginger has been used in the treatment of nausea and vomiting for thousands of years. Recently, several randomized, placebo-controlled clinical trials (RCTs) have been conducted to evaluate the efficacy of ginger in PONV. PURPOSE To systematically evaluate the efficacy of ginger on postoperative nausea and vomiting (PONV) compared to placebo, based on RCTs. STUDY DESIGN The meta-analysis was reported following the PRISMA guidelines using the PICO format, and it was registered with the PROSPERO register. METHODS PubMed, Embase, the Cochrane Central Register of Controlled Trials and Web of Science were searched for relevant studies. Human, placebo-controlled clinical studies of patients undergoing any types of surgery, receiving pharmacological doses of ginger per os were included. Only clinical trials with explicit description of the ginger preparation used were analysed. No language or publication year restrictions was applied. RESULTS Ten randomized trials including a total of 918 patients were pooled for the statistical analysis. The present meta-analysis supports that ginger has a significant effect on the severity of PONV based on visual analogue scale (VAS) results: in a fixed effects model the pooled standardized mean difference (SMD) was -0.247 (favouring ginger; [LL]: -0.455, [UL]: -0.040, p-value: 0.019). Moreover, our results suggest that ginger reduces the incidence of postoperative nausea and vomiting, as well antiemetic drug demand; however, these effects are not statistically significant compared to placebo, which may be explained by underdosing. CONCLUSIONS According to our thorough meta-analysis ginger is safe and well tolerated, and decreases the severity of PONV, and may lower the incidence of postoperative nausea and vomiting, which in turn may reduce antiemetic drug demand, suggesting that ginger may be a useful alternative to antiemetic medications to alleviate PONV.
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Affiliation(s)
- Barbara Tóth
- Department of Pharmacognosy, Faculty of Pharmacy, University of Szeged, Szeged 6720, Hungary; Interdisciplinary Centre of Natural Products, University of Szeged, Szeged 6720 Hungary
| | - Tamás Lantos
- Department of Medical Physics and Informatics, Faculty of Medicine, University of Szeged, Szeged 6720 Hungary
| | - Péter Hegyi
- Institute of Translational Medicine, Medical School, University of Pécs, Pécs 7624 Hungary
| | - Réka Viola
- Department of Clinical Pharmacy, Faculty of Pharmacy, University of Szeged, Szeged 6720 Hungary
| | - Andrea Vasas
- Department of Pharmacognosy, Faculty of Pharmacy, University of Szeged, Szeged 6720, Hungary; Interdisciplinary Centre of Natural Products, University of Szeged, Szeged 6720 Hungary
| | - Ria Benkő
- Department of Clinical Pharmacy, Faculty of Pharmacy, University of Szeged, Szeged 6720 Hungary
| | - Zoltán Gyöngyi
- Department of Public Health Medicine, Medical School, University of Pécs, Pécs 7624 Hungary
| | - Áron Vincze
- Department of Gastroenterology, First Department of Medicine, University of Pécs, Pécs 7624, Hungary
| | - Péter Csécsei
- Department of Neurology, University of Pécs, Pécs 7624, Hungary
| | - Alexandra Mikó
- Institute of Translational Medicine, Medical School, University of Pécs, Pécs 7624 Hungary
| | - Dávid Hegyi
- Department of Public Health Medicine, Medical School, University of Pécs, Pécs 7624 Hungary
| | - Andrea Szentesi
- Institute of Translational Medicine, Medical School, University of Pécs, Pécs 7624 Hungary
| | - Mária Matuz
- Department of Clinical Pharmacy, Faculty of Pharmacy, University of Szeged, Szeged 6720 Hungary
| | - Dezső Csupor
- Department of Pharmacognosy, Faculty of Pharmacy, University of Szeged, Szeged 6720, Hungary; Interdisciplinary Centre of Natural Products, University of Szeged, Szeged 6720 Hungary.
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Affiliation(s)
- Kerstin Austin
- Department of Gastroenterology and Hepatology; University of Wisconsin School of Medicine and Public Health; Madison Wisconsin USA
| | - Kelley Wilson
- Clinical Nutrition Services; University of Wisconsin Hospital and Clinics; Madison Wisconsin USA
| | - Sumona Saha
- Department of Gastroenterology and Hepatology; University of Wisconsin School of Medicine and Public Health; Madison Wisconsin USA
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Chatturong U, Kajsongkram T, Tunsophon S, Chanasong R, Chootip K. Ginger Extract and [6]-Gingerol Inhibit Contraction of Rat Entire Small Intestine. J Evid Based Integr Med 2018; 23:2515690X18774273. [PMID: 29756476 PMCID: PMC5954582 DOI: 10.1177/2515690x18774273] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
This study aims to investigate the effect of oral administration and the direct action of ginger extract or [6]-gingerol on small intestinal contractility. The direct effect of 10 minutes preincubation of ginger ethanolic extract (10, 100 and 300 μg/mL) or [6]-gingerol (1, 30, and 100 μM) on 0.01 to 30 μM ACh-induced contractions of all parts of the small intestine isolated from normal rats was investigated using the organ bath technique. For in vivo study, the rats were orally administered with extract (10, 20, and 100 mg/kg/d) or [6]-gingerol (2 mg/kg/d) for 7 days, followed by determining the contractile responses to ACh of rat isolated duodenum, jejunum, and ileum and their histology were assessed. Direct application of the extract or [6]-gingerol attenuated ACh-induced contractions in each small intestinal segment, Emax was reduced by 40% to 80%, while EC50 increased 3- to 8-fold from control. Similarly, in the in vivo study ACh-induced contractions were reduced in all parts of the small intestine isolated from rats orally treated with ginger extract (20 and 100 mg/kg/d) or [6]-gingerol (2 mg/kg/d). Emax decreased 15% to 30%, while EC50 increased 1- to 3-fold compared to control. No discernable changes in the histology of intestinal segments were detectable. Thus, the results support the clinical application of ginger for disorders of gastrointestinal motility.
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Affiliation(s)
| | - Tanwarat Kajsongkram
- 2 Thailand Institute of Scientific and Technological Research, Pathum Thani, Thailand
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Zhang F, Thakur K, Hu F, Zhang JG, Wei ZJ. Cross-talk between 10-gingerol and its anti-cancerous potential: a recent update. Food Funct 2017; 8:2635-2649. [PMID: 28745358 DOI: 10.1039/c7fo00844a] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2023]
Abstract
Since time immortal, ginger, as an ancient herb, has been used throughout the world in foods and beverages due to its typical strong and pungent flavor. Besides its use as a spice, it also serves as an excellent source of several bioactive phenolics, including nonvolatile pungent compounds, such as gingerols, paradols, shogaols, and gingerones. Gingerols constitute key ingredients in fresh ginger, with the most abundant being 6-gingerol (6-G), 8-gingerol (8-G), and 10-gingerol (10-G). Many studies have investigated the various valuable pharmacological properties of these ingredients and experimentally verified the mechanistic aspects of their health effects; however, to date, most research on the anti-cancerous activities of gingerols have focused largely on 6-G. Thus, the present article deals with the number of recent studies that have indicated and highlighted the role of 10-G with respect to its cancer prevention attributes in particular and its anti-inflammatory, anti-oxidant, anti-microbial, and gastrointestinal tract protective potential in general. The purpose of this review is to provide an overview of all the experimentally validated health benefits of 10-G for nutraceutical applications. The various findings have warranted the further investigation of 10-G and its possible use in various cancer treatments as well as its promising role as a chemo-preventive agent.
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Affiliation(s)
- Fang Zhang
- School of Food Science and Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China.
| | - Kiran Thakur
- School of Food Science and Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China.
| | - Fei Hu
- School of Food Science and Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China.
| | - Jian-Guo Zhang
- School of Food Science and Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China.
| | - Zhao-Jun Wei
- School of Food Science and Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China.
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Soltani E, Jangjoo A, Afzal Aghaei M, Dalili A. Effects of preoperative administration of ginger (Zingiber officinale Roscoe) on postoperative nausea and vomiting after laparoscopic cholecystectomy. J Tradit Complement Med 2017; 8:387-390. [PMID: 29992109 PMCID: PMC6035306 DOI: 10.1016/j.jtcme.2017.06.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2016] [Revised: 01/16/2017] [Accepted: 06/21/2017] [Indexed: 12/01/2022] Open
Abstract
One of the most common postoperative problems is nausea and vomiting. Although using some anesthetic materials has been considered as the mainstay of this phenomenon, the exact factors are not known. Because of several morbidities associated with postoperative nausea and vomiting (PONV), its prevention and treatment has been a challenge for physicians, so several drugs have been recommended for this purpose. Based on the documented antiemetic specificity of ginger, we evaluated and compared the effects of preoperative administration of ginger on PONV with ondansetron administration as the standard medication. The participants included 100 patients with cholelitiasis who were candidate for laparoscopic cholecystectomy. Patients were divided into two groups: group A comprised 50 patients who received 500 mg oral ginger 1 h before surgery, and group B included 50 patients who received 4 mg intravenous ondansetron before completion of surgery. Antiemetic efficacy was assessed by visual analogue scale scores of nausea intensity at 0, 4, 8, 16, and 24 h after surgery and frequency of vomiting during the evaluation period. Although multifactor analysis showed that nausea severity was significantly lower in the ginger group, the data indicated that except 16 h after operation, the differences between two groups in the frequency of vomiting was not significant. In conclusion, though complementary studies are needed to have a strong suggestion, based on this study, we recommend administration of oral ginger 1 h before operation to control the severity of PONV in patients undergoing laparoscopic cholecystectomy.
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Affiliation(s)
- E Soltani
- Acute Care Surgery Research Center, Department of General Surgery, Taleghani University Hospital, Mashhad University of Medical Sciences, Mashhad, Iran
| | - A Jangjoo
- Surgical Oncology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - M Afzal Aghaei
- Department of Epidemiology and Biostatistics, Faculty of Health Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - A Dalili
- Surgical Oncology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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Švarc-Gajić J, Cvetanović A, Segura-Carretero A, Linares IB, Mašković P. Characterisation of ginger extracts obtained by subcritical water. J Supercrit Fluids 2017. [DOI: 10.1016/j.supflu.2016.12.019] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Kim Y, Kim DM, Kim JY. Ginger Extract Suppresses Inflammatory Response and Maintains Barrier Function in Human Colonic Epithelial Caco-2 Cells Exposed to Inflammatory Mediators. J Food Sci 2017; 82:1264-1270. [PMID: 28369951 DOI: 10.1111/1750-3841.13695] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Revised: 02/15/2017] [Accepted: 02/22/2017] [Indexed: 12/31/2022]
Abstract
The beneficial effects of ginger in the management of gastrointestinal disturbances have been reported. In this study, the anti-inflammatory potential of ginger extract was assessed in a cellular model of gut inflammation. In addition, the effects of ginger extract and its major active compounds on intestinal barrier function were evaluated. The response of Caco-2 cells following exposure to a mixture of inflammatory mediators [interleukin [IL]-1β, 25 ng/mL; lipopolysaccharides [LPS], 10 ng/mL; tumor necrosis factor [TNF]-α, 50 ng/mL; and interferon [INF]-γ, 50 ng/mL] were assessed by measuring the levels of secreted IL-6 and IL-8. In addition, the mRNA levels of cyclooxygenase-2 and inducible nitric oxide synthase were measured. Moreover, the degree of nuclear factor (NF)-κB inhibition was examined, and the intestinal barrier function was determined by measuring the transepithelial electrical resistance (TEER) and fluorescein isothiocyanate (FITC)-dextran transfer. It was observed that ginger extract and its constituents improved inflammatory responses by decreasing the levels of nitrite, PGE2, IL-6, and IL-8 via NF-κB inhibition. The ginger extract also increased the TEER and decreased the transfer of FITC-dextran from the apical side of the epithelium to the basolateral side. Taken together, these results show that ginger extract may be developed as a functional food for the maintenance of gastrointestinal health.
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Affiliation(s)
- Yunyoung Kim
- Dept. of Food Science and Technology, Seoul Natl. Univ. of Science and Technology, Seoul, 139-743, Republic of Korea
| | - Dong-Min Kim
- Dept. of Food Science and Technology, Seoul Natl. Univ. of Science and Technology, Seoul, 139-743, Republic of Korea
| | - Ji Yeon Kim
- Dept. of Food Science and Technology, Seoul Natl. Univ. of Science and Technology, Seoul, 139-743, Republic of Korea
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Bustos M, Venkataramanan R, Caritis S. Nausea and vomiting of pregnancy - What's new? Auton Neurosci 2017; 202:62-72. [PMID: 27209471 PMCID: PMC5107351 DOI: 10.1016/j.autneu.2016.05.002] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2016] [Revised: 05/10/2016] [Accepted: 05/11/2016] [Indexed: 02/06/2023]
Abstract
Nausea and vomiting of pregnancy (NVP) is one of the most common disorders of pregnancy. The symptoms occur predominantly during the first trimester, although in a subgroup of patients they can continue throughout the entire pregnancy and can affect the woman's quality of life. A small percentage of women develop a severe form of NVP called hyperemesis gravidarum (HG) that if left untreated may lead to significant maternal morbidity and adverse birth outcomes. Overall, the morbidity in pregnant women with NVP is significant, although it tends to be underestimated. The pathogenesis of NVP remains unclear, but there is consensus that the disorder is multifactorial and that various genetic, endocrine and infectious factors may be involved. The treatment of NVP can be challenging as the optimal targets for therapy are not known. Currently, the therapy used depends on the severity of the disorder and it is focused on improving the symptoms while minimizing risks to mother and fetus. Therapies range from dietary changes, pharmacologic treatment or hospitalization with intravenous fluid replacement and nutrition therapy. The aims of this review are 1) to provide an overview of NVP, 2) to present possible links between the most important factors associated with the pathogenesis of NVP and 3) to discuss the effectiveness and safety of the pharmacologic and non-pharmacologic options available to treat this disorder.
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Affiliation(s)
- Martha Bustos
- School of Pharmacy, Department of Pharmaceutical Sciences, University of Pittsburgh, 716 Salk Hall, 3501 Terrace St, Pittsburgh, PA 15261, United States
| | - Raman Venkataramanan
- School of Pharmacy, Department of Pharmaceutical Sciences, University of Pittsburgh, 716 Salk Hall, 3501 Terrace St, Pittsburgh, PA 15261, United States; Department of Pathology, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15261, United States
| | - Steve Caritis
- Department of Obstetrics, Gynecology and Reproductive Sciences Magee Womens Hospital, 300 Halket St., Pittsburgh, PA 15213-3180, United States; School of Medicine, Department of Obstetrics, Gynecology, and Reproductive Sciences, University of Pittsburgh, 300 Halket Street, Pittsburgh, PA 15213, United States.
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Lohning AE, Marx W, Isenring L. In silico investigation into the interactions between murine 5-HT 3 receptor and the principle active compounds of ginger (Zingiber officinale). J Mol Graph Model 2016; 70:315-327. [PMID: 27816008 DOI: 10.1016/j.jmgm.2016.10.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2016] [Revised: 10/06/2016] [Accepted: 10/07/2016] [Indexed: 11/18/2022]
Abstract
Gingerols and shogaols are the primary non-volatile actives within ginger (Zingiber officinale). These compounds have demonstrated in vitro to exert 5-HT3 receptor antagonism which could benefit chemotherapy-induced nausea and vomiting (CINV). The site and mechanism of action by which these compounds interact with the 5-HT3 receptor is not fully understood although research indicates they may bind to a currently unidentified allosteric binding site. Using in silico techniques, such as molecular docking and GRID analysis, we have characterized the recently available murine 5-HT3 receptor by identifying sites of strong interaction with particular functional groups at both the orthogonal (serotonin) site and a proposed allosteric binding site situated at the interface between the transmembrane region and the extracellular domain. These were assessed concurrently with the top-scoring poses of the docked ligands and included key active gingerols, shogaols and dehydroshogaols as well as competitive antagonists (e.g. setron class of pharmacologically active drugs), serotonin and its structural analogues, curcumin and capsaicin, non-competitive antagonists and decoys. Unexpectedly, we found that the ginger compounds and their structural analogs generally outscored other ligands at both sites. Our results correlated well with previous site-directed mutagenesis studies in identifying key binding site residues. We have identified new residues important for binding the ginger compounds. Overall, the results suggest that the ginger compounds and their structural analogues possess a high binding affinity to both sites. Notwithstanding the limitations of such theoretical analyses, these results suggest that the ginger compounds could act both competitively or non-competitively as has been shown for palonosetron and other modulators of CYS loop receptors.
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Affiliation(s)
- Anna E Lohning
- Faculty of Health Sciences & Medicine, Bond University, Gold Coast, 4229, Australia.
| | - Wolfgang Marx
- Faculty of Health Sciences & Medicine, Bond University, Gold Coast, 4229, Australia.
| | - Liz Isenring
- Faculty of Health Sciences & Medicine, Bond University, Gold Coast, 4229, Australia.
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Dietz BM, Hajirahimkhan A, Dunlap TL, Bolton JL. Botanicals and Their Bioactive Phytochemicals for Women's Health. Pharmacol Rev 2016; 68:1026-1073. [PMID: 27677719 PMCID: PMC5050441 DOI: 10.1124/pr.115.010843] [Citation(s) in RCA: 99] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Botanical dietary supplements are increasingly popular for women's health, particularly for older women. The specific botanicals women take vary as a function of age. Younger women will use botanicals for urinary tract infections, especially Vaccinium macrocarpon (cranberry), where there is evidence for efficacy. Botanical dietary supplements for premenstrual syndrome (PMS) are less commonly used, and rigorous clinical trials have not been done. Some examples include Vitex agnus-castus (chasteberry), Angelica sinensis (dong quai), Viburnum opulus/prunifolium (cramp bark and black haw), and Zingiber officinale (ginger). Pregnant women have also used ginger for relief from nausea. Natural galactagogues for lactating women include Trigonella foenum-graecum (fenugreek) and Silybum marianum (milk thistle); however, rigorous safety and efficacy studies are lacking. Older women suffering menopausal symptoms are increasingly likely to use botanicals, especially since the Women's Health Initiative showed an increased risk for breast cancer associated with traditional hormone therapy. Serotonergic mechanisms similar to antidepressants have been proposed for Actaea/Cimicifuga racemosa (black cohosh) and Valeriana officinalis (valerian). Plant extracts with estrogenic activities for menopausal symptom relief include Glycine max (soy), Trifolium pratense (red clover), Pueraria lobata (kudzu), Humulus lupulus (hops), Glycyrrhiza species (licorice), Rheum rhaponticum (rhubarb), Vitex agnus-castus (chasteberry), Linum usitatissimum (flaxseed), Epimedium species (herba Epimedii, horny goat weed), and Medicago sativa (alfalfa). Some of the estrogenic botanicals have also been shown to have protective effects against osteoporosis. Several of these botanicals could have additional breast cancer preventive effects linked to hormonal, chemical, inflammatory, and/or epigenetic pathways. Finally, although botanicals are perceived as natural safe remedies, it is important for women and their healthcare providers to realize that they have not been rigorously tested for potential toxic effects and/or drug/botanical interactions. Understanding the mechanism of action of these supplements used for women's health will ultimately lead to standardized botanical products with higher efficacy, safety, and chemopreventive properties.
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Affiliation(s)
- Birgit M Dietz
- University of Illinois at Chicago/National Institutes of Health Center for Botanical Dietary Supplements, Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois
| | - Atieh Hajirahimkhan
- University of Illinois at Chicago/National Institutes of Health Center for Botanical Dietary Supplements, Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois
| | - Tareisha L Dunlap
- University of Illinois at Chicago/National Institutes of Health Center for Botanical Dietary Supplements, Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois
| | - Judy L Bolton
- University of Illinois at Chicago/National Institutes of Health Center for Botanical Dietary Supplements, Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois
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Gupta E, Lee LA. Diet and Complementary Medicine for Chronic Unexplained Nausea and Vomiting and Gastroparesis. ACTA ACUST UNITED AC 2016; 14:401-409. [DOI: 10.1007/s11938-016-0104-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Emrani Z, Shojaei E, Khalili H. Ginger for Prevention of Antituberculosis-induced Gastrointestinal Adverse Reactions Including Hepatotoxicity: A Randomized Pilot Clinical Trial. Phytother Res 2016; 30:1003-9. [PMID: 26948519 DOI: 10.1002/ptr.5607] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2015] [Revised: 02/11/2016] [Accepted: 02/12/2016] [Indexed: 12/18/2022]
Abstract
In this study, the potential benefits of ginger in preventing antituberculosis drug-induced gastrointestinal adverse reactions including hepatotoxicity have been evaluated in patients with tuberculosis. Patients in the ginger and placebo groups (30 patients in each group) received either 500 mg ginger (Zintoma)(®) or placebo one-half hour before each daily dose of antituberculosis drugs for 4 weeks. Patients' gastrointestinal complaints (nausea, vomiting, dyspepsia, and abdominal pain) and antituberculosis drug-induced hepatotoxicity were recorded during the study period. In this cohort, nausea was the most common antituberculosis drug-induced gastrointestinal adverse reactions. Forty eight (80%) patients experienced nausea. Nausea was more common in the placebo than the ginger group [27 (90%) vs 21 (70%), respectively, p = 0.05]. During the study period, 16 (26.7%) patients experienced antituberculosis drug-induced hepatotoxicity. Patients in the ginger group experienced less, but not statistically significant, antituberculosis drug-induced hepatotoxicity than the placebo group (16.7% vs 36.7%, respectively, p = 0.07). In conclusion, ginger may be a potential option for prevention of antituberculosis drug-induced gastrointestinal adverse reactions including hepatotoxicity. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Zahra Emrani
- Department of Clinical Pharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Esphandiar Shojaei
- Department of Infectious Diseases, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Hossein Khalili
- Department of Clinical Pharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
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Lete I, Allué J. The Effectiveness of Ginger in the Prevention of Nausea and Vomiting during Pregnancy and Chemotherapy. INTEGRATIVE MEDICINE INSIGHTS 2016; 11:11-7. [PMID: 27053918 PMCID: PMC4818021 DOI: 10.4137/imi.s36273] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Revised: 01/18/2016] [Accepted: 01/29/2016] [Indexed: 01/10/2023]
Abstract
The rhizomes of Zingiber officinale (ginger) have been used since ancient times as a traditional remedy for gastrointestinal complaints. The most active ingredients in ginger are the pungent principles, particularly gingerols and shogaols. Various preclinical and clinical studies have evaluated ginger as an effective and safe treatment for nausea and vomiting in the context of pregnancy and as an adjuvant treatment for chemotherapy-induced nausea and vomiting. Here, we provide an update and analysis of ginger use for the prevention of nausea and vomiting, with a focus on the types and presentations of ginger available. We also examine the pharmacokinetic properties of ginger and highlight the type and posology of ginger and its metabolites.
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Affiliation(s)
- Iñaki Lete
- Clinical Management Unit of Obstetrics and Gynecology, Hospital Universitario Araba, Vitoria, Spain
| | - José Allué
- Plant Physiology Laboratory, Faculty of Biosciences, Universitat Autónoma de Barcelona, Bellatera, Spain
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Mohammed OJ, Latif ML, Pratten MK. Evaluation of embryotoxicity for major components of herbal extracts using the chick embryonic heart micromass and mouse D3 embryonic stem cell systems. Reprod Toxicol 2016; 59:117-27. [DOI: 10.1016/j.reprotox.2015.12.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2015] [Revised: 11/27/2015] [Accepted: 12/14/2015] [Indexed: 12/13/2022]
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Miyamoto M, Matsuzaki K, Katakura M, Hara T, Tanabe Y, Shido O. Oral intake of encapsulated dried ginger root powder hardly affects human thermoregulatory function, but appears to facilitate fat utilization. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2015; 59:1461-74. [PMID: 25875447 DOI: 10.1007/s00484-015-0957-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2014] [Revised: 01/05/2015] [Accepted: 01/05/2015] [Indexed: 06/04/2023]
Abstract
The present study investigated the impact of a single oral ingestion of ginger on thermoregulatory function and fat oxidation in humans. Morning and afternoon oral intake of 1.0 g dried ginger root powder did not alter rectal temperature, skin blood flow, O2 consumption, CO2 production, and thermal sensation and comfort, or induce sweating at an ambient temperature of 28 °C. Ginger ingestion had no effect on threshold temperatures for skin blood flow or thermal sweating. Serum levels of free fatty acids were significantly elevated at 120 min after ginger ingestion in both the morning and afternoon. Morning ginger intake significantly reduced respiratory exchange ratios and elevated fat oxidation by 13.5 % at 120 min after ingestion. This was not the case in the afternoon. These results suggest that the effect of a single oral ginger administration on the peripheral and central thermoregulatory function is miniscule, but does facilitate fat utilization although the timing of the administration may be relevant.
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Affiliation(s)
- Mayumi Miyamoto
- Fundamental Nursing, School of Nursing, Shimane University, 89-1 Enya-cho, Izumo, 693-8501, Japan.
- Department of Environmental Physiology, School of Medicine, Shimane University, 89-1 Enya-cho, Izumo, 693-8501, Japan.
| | - Kentaro Matsuzaki
- Department of Environmental Physiology, School of Medicine, Shimane University, 89-1 Enya-cho, Izumo, 693-8501, Japan
| | - Masanori Katakura
- Department of Environmental Physiology, School of Medicine, Shimane University, 89-1 Enya-cho, Izumo, 693-8501, Japan
| | - Toshiko Hara
- Department of Environmental Physiology, School of Medicine, Shimane University, 89-1 Enya-cho, Izumo, 693-8501, Japan
| | - Yoko Tanabe
- Department of Environmental Physiology, School of Medicine, Shimane University, 89-1 Enya-cho, Izumo, 693-8501, Japan
- Department of Biosignaling and Radioisotope Experiment, Center for Integrated Research in Science, Shimane University, 89-1 Enya-cho, Izumo, 693-8501, Japan
| | - Osamu Shido
- Department of Environmental Physiology, School of Medicine, Shimane University, 89-1 Enya-cho, Izumo, 693-8501, Japan
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Semwal RB, Semwal DK, Combrinck S, Viljoen AM. Gingerols and shogaols: Important nutraceutical principles from ginger. PHYTOCHEMISTRY 2015; 117:554-568. [PMID: 26228533 DOI: 10.1016/j.phytochem.2015.07.012] [Citation(s) in RCA: 261] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2015] [Revised: 05/17/2015] [Accepted: 07/15/2015] [Indexed: 05/09/2023]
Abstract
Gingerols are the major pungent compounds present in the rhizomes of ginger (Zingiber officinale Roscoe) and are renowned for their contribution to human health and nutrition. Medicinal properties of ginger, including the alleviation of nausea, arthritis and pain, have been associated with the gingerols. Gingerol analogues are thermally labile and easily undergo dehydration reactions to form the corresponding shogaols, which impart the characteristic pungent taste to dried ginger. Both gingerols and shogaols exhibit a host of biological activities, ranging from anticancer, anti-oxidant, antimicrobial, anti-inflammatory and anti-allergic to various central nervous system activities. Shogaols are important biomarkers used for the quality control of many ginger-containing products, due to their diverse biological activities. In this review, a large body of available knowledge on the biosynthesis, chemical synthesis and pharmacological activities, as well as on the structure-activity relationships of various gingerols and shogaols, have been collated, coherently summarised and discussed. The manuscript highlights convincing evidence indicating that these phenolic compounds could serve as important lead molecules for the development of therapeutic agents to treat various life-threatening human diseases, particularly cancer. Inclusion of ginger or ginger extracts in nutraceutical formulations could provide valuable protection against diabetes, cardiac and hepatic disorders.
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Affiliation(s)
- Ruchi Badoni Semwal
- Department of Pharmaceutical Sciences, Faculty of Science, Tshwane University of Technology, Private Bag X680, Pretoria 0001, South Africa
| | - Deepak Kumar Semwal
- Department of Pharmaceutical Sciences, Faculty of Science, Tshwane University of Technology, Private Bag X680, Pretoria 0001, South Africa
| | - Sandra Combrinck
- Department of Pharmaceutical Sciences, Faculty of Science, Tshwane University of Technology, Private Bag X680, Pretoria 0001, South Africa; SAMRC Herbal Drugs Research Unit, Tshwane University of Technology, Private Bag X680, Pretoria 0001, South Africa
| | - Alvaro M Viljoen
- Department of Pharmaceutical Sciences, Faculty of Science, Tshwane University of Technology, Private Bag X680, Pretoria 0001, South Africa; SAMRC Herbal Drugs Research Unit, Tshwane University of Technology, Private Bag X680, Pretoria 0001, South Africa; Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
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Ruan M, Yu B, Xu L, Zhang L, Long J, Shen X. Attenuation of stress-induced gastrointestinal motility disorder by gentiopicroside, from Gentiana macrophylla Pall. Fitoterapia 2015; 103:265-76. [PMID: 25936770 DOI: 10.1016/j.fitote.2015.04.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Revised: 04/22/2015] [Accepted: 04/26/2015] [Indexed: 01/22/2023]
Abstract
AIM The current study was designed to explore the mechanism of the prokinetic activity of Gentiopicroside (Ge), from Gentiana macrophylla Pall which is widely used to strengthen gastric motility in clinic. METHODS Gastrointestinal motility disorder rats were induced by stress stimulation and the rats were treated with Ge. The functions of gastric emptying and intestinal propelling were measured after blood was obtained to assay the levels of plasmatic motilin (MTL), vasoactive intestinal peptide (VIP), somatostatin (SST), gastrin (GAS), neurotensin (NT) and substance of P (SP). The expressions of MTL receptor (MTLR), VIP receptor 2 (VIPR2) and SST receptor 2 (SSTR2) were measured also. In addition, an isolated guinea pig ileum was applied to evaluate the influences of Ge on M-R, H1-R, 5-HT4-R and D-R in vitro. RESULTS Ge increased gastric emptying and intestinal propelling obviously. It also decreased the level of SST and increased GAS in plasma significantly. Moreover, it promoted the expressions of MTLR in gastric antrum, duodenum, jejunum and ileum, and restrained the expression of VIPR2 in duodenum. Piboserod and loratadine had no obvious restrain to Ge' exciting ileum effect and Ge also didn't affect dopamine paralyzing ileum. However, Ge failed to improve the hypofunction of guinea pigs ileums pre-treated with atropine sulfate. CONCLUSION The mechanisms of Ge' prokinetic effect were associated with modulating the levels of SST and GAS in plasma, raising the expressions of MTLR in gastric antrum, duodenum, ileum and jejunum, reducing the expression of VIPR2 in duodenum and activating M-R.
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Affiliation(s)
- Ming Ruan
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, PR China; School of Food Science, Nanjing Xiaozhuang University, Nanjing 211171, PR China
| | - Bin Yu
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, PR China.
| | - Li Xu
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
| | - Liang Zhang
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
| | - Jun Long
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
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Ibrahim AS, Sobh MAM, Eid HM, Salem A, Elbelasi HH, El-Naggar MH, AbdelBar FM, Sheashaa H, Sobh MA, Badria FA. Gingerol-derivatives: emerging new therapy against human drug-resistant MCF-7. Tumour Biol 2014; 35:9941-8. [PMID: 25004806 DOI: 10.1007/s13277-014-2248-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2014] [Accepted: 06/18/2014] [Indexed: 12/22/2022] Open
Abstract
Cancer chemotherapies have been improved dramatically over the last two decades. In the case of human breast cancer, the combination chemotherapeutic protocol, cyclophosphamide (CPA), doxorubicin (DOX), and 5-fluorouracil (5-FU) (CDF), is often used. Nevertheless, the clinical usefulness of CDF is limited by its remarkably low therapeutic window and frequent eruption of resistance. These limitations prompted our search for a more effective and safe drug candidate that may raise the therapeutic benefits for breast cancer patients. Gingerols' wide therapeutic indices as well as their high efficacy in the suppression of carcinogenesis are well established. However, no thorough study to date has profiled their antibreast cancer activities in depth. Therefore, the aims of the present study are to evaluate the antibreast cancer activities of gingerols in comparison to CDF and to gain insight into the structure activity relationships (SARs) responsible for the observed effect using a breast cancer cell model, MCF-7. Our data revealed that 6-gingerol showed the highest anticancer potency that is superior to that of CDF with IC50 = 30.4 μM. Guided by these results, semisynthetic modifications of 6-gingerol have been carried out to characterize 6-gingerol's SARs. The obtained results showed that the acquisition of free hydroxyl group in the aliphatic side chain of 6-gingerol is essential for the antibreast cancer activity. Likewise, the length of aliphatic side chain in 6-gingerol is optimum for its anticancer activity because any decrease in the side chain length resulted in a dramatic loss of anticancer activity. Additionally, allylation of phenolic group has shown antibreast cancer activity superior to that of 6-gingerol per se. Conversely, methylation or isoprenylation of phenolic group has led to a potential decrease in the anticancer activity, whereas loss of aromaticity resulted in a complete loss of 6-gingerol's cytotoxic activity. Collectively, the present results would simplify drug design to allow safer and more effective antibreast cancer pharmaceuticals to be designed.
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Affiliation(s)
- Ahmed S Ibrahim
- Department of Biochemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt,
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Dabaghzadeh F, Khalili H, Dashti-Khavidaki S, Abbasian L, Moeinifard A. Ginger for prevention of antiretroviral-induced nausea and vomiting: a randomized clinical trial. Expert Opin Drug Saf 2014; 13:859-66. [PMID: 24820858 DOI: 10.1517/14740338.2014.914170] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
OBJECTIVE In this randomized clinical trial ginger efficacy for prevention of antiretroviral-induced nausea and vomiting (N/V) was investigated. METHODS From July 2011 until the end of June 2013, 102 HIV positive patients attending the HIV clinic of Imam Khomeini Hospital participated in the study. In a double blinded manner, participants randomly received either 500 mg ginger or placebo two times per day, 30 min before each dose of antiretroviral regimen for 14 days. The severity of nausea was assessed based on the visual analogue scale. The number of vomiting episodes were also recorded during the study period. RESULTS A total of 46 (90.2%) and 29 (56.4%) of the patients in placebo and ginger groups experienced some degree of nausea during the first 2 weeks of antiretroviral therapy (ART), respectively (p = 0.001). Frequency of mild, moderate and severe nausea were significantly lower in the ginger than placebo group (p = 0. 001). Also, 24 (47.1%) and 5 (9.8%) of the patients in the placebo and ginger groups reported at least one episode of vomiting during their time on ART, respectively (p = 0.01). CONCLUSION Ginger was effective in ameliorating of antiretroviral-induced N/V.
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Affiliation(s)
- Fatemeh Dabaghzadeh
- Kerman University of Medical Sciences, Department of Clinical Pharmacy, Faculty of Pharmacy , Kerman , Iran
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Mandal P, Das A, Majumdar S, Bhattacharyya T, Mitra T, Kundu R. The efficacy of ginger added to ondansetron for preventing postoperative nausea and vomiting in ambulatory surgery. Pharmacognosy Res 2014; 6:52-7. [PMID: 24497743 PMCID: PMC3897009 DOI: 10.4103/0974-8490.122918] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2013] [Revised: 08/20/2013] [Accepted: 12/12/2013] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Post-operative nausea and vomiting (PONV) frequently hampers implementation of ambulatory surgery in spite of so many costly antiemetic drugs and regimens. OBJECTIVE The study was carried out to compare the efficacy of ginger (Zingiber officinale) added to Ondansetron in preventing PONV after ambulatory surgery. MATERIALS AND METHODS It was a prospective, double blinded, and randomized controlled study. From March 2008 to July 2010, 100 adult patients of either sex, aged 20-45, of ASA physical status I and II, scheduled for day care surgery, were randomly allocated into Group A[(n = 50) receiving (IV) Ondansetron (4 mg) and two capsules of placebo] and Group B[(n = 50) receiving IV Ondansetron (4 mg) and two capsules of ginger] simultaneously one hour prior to induction of general anaesthesia (GA) in a double-blind manner. One ginger capsule contains 0.5 gm of ginger powder. Episodes of PONV were noted at 0.5h, 1h, 2h, 4h, 6h, 12h and 18h post- operatively. STATISTICAL ANALYSIS AND RESULTS Statistically significant difference between groups A and B (P < 0.05), was found showing that ginger ondansetron combination was superior to plain Ondansetron as antiemetic regimen for both regarding frequency and severity. CONCLUSION Prophylactic administration of ginger and ondansetron significantly reduced the incidence of postoperative nausea and vomiting compared to ondansetron alone in patients undergoing day care surgery under general anaesthesia.
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Affiliation(s)
- Pragnadyuti Mandal
- Department of Pharmacology, Midnapore Medical College, Paschim Medinipur, West Bengal, India
| | - Anjan Das
- Department of Anaesthesiology, College of Medicine and Sagore Dutta Hospital, West Bengal, India
| | - Saikat Majumdar
- Department of Anaesthesiology, NRS Medical College, West Bengal, India
| | - Tapas Bhattacharyya
- Department of Anaesthesiology, College of Medicine and Sagore Dutta Hospital, West Bengal, India
| | - Tapobrata Mitra
- Department of Anaesthesiology, Bangur Institute of Neurology, West Bengal, India
| | - Ratul Kundu
- Department of Anaesthesiology, I.P.G.M.E.R, Kolkata, West Bengal, India
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Park G, Kim HG, Ju MS, Ha SK, Park Y, Kim SY, Oh MS. 6-Shogaol, an active compound of ginger, protects dopaminergic neurons in Parkinson's disease models via anti-neuroinflammation. Acta Pharmacol Sin 2013; 34:1131-9. [PMID: 23811724 PMCID: PMC4003157 DOI: 10.1038/aps.2013.57] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2013] [Accepted: 04/12/2013] [Indexed: 12/27/2022] Open
Abstract
AIM 6-Shogaol [1-(4-hydroxy-methoxyphenyl)-4-decen-one], a pungent compound isolated from ginger, has shown various neurobiological and anti-inflammatory effects. The aim of this study was to examine the effects of 6-shogaol on neuroinflammatory-induced damage of dopaminergic (DA) neurons in Parkinson's disease (PD) models. METHODS Cultured rat mesencephalic cells were treated with 6-shogaol (0.001 and 0.01 μmol/L) for 1 h, then with MPP(+)(10 μmol/L) for another 23 h. The levels of TNF-α and NO in medium were analyzed spectrophotometrically. C57/BL mice were administered 6-shogaol (10 mg·kg(-1)·d(-1), po) for 3 d, and then MPTP (30 mg/kg, ip) for 5 d. Seven days after the last MPTP injection, behavioral testings were performed. The levels of tyrosine hydroxylase (TH) and macrophage antigen (MAC)-1 were determined with immunohistochemistry. The expression of iNOS and COX-2 was measured using RT PCR. RESULTS In MPP(+)-treated rat mesencephalic cultures, 6-shogaol significantly increased the number of TH-IR neurons and suppressed TNF-α and NO levels. In C57/BL mice, treatment with 6-shogaol reversed MPTP-induced changes in motor coordination and bradykinesia. Furthermore, 6-shogaol reversed MPTP-induced reductions in TH-positive cell number in the substantia nigra pars compacta (SNpc) and TH-IR fiber intensity in stratum (ST). Moreover, 6-shogaol significantly inhibited the MPTP-induced microglial activation and increases in the levels of TNF-α, NO, iNOS, and COX-2 in both SNpc and ST. CONCLUSION 6-Shogaol exerts neuroprotective effects on DA neurons in in vitro and in vivo PD models.
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Affiliation(s)
- Gunhyuk Park
- Department of Life and Nanopharmaceutical Science, Kyung Hee University, Seoul 130–701, Republic of Korea
| | - Hyo Geun Kim
- Department of Oriental Pharmaceutical Science, College of Pharmacy and Kyung Hee East-West Pharmaceutical Research Institute, Kyung Hee University, Seoul 130–701, Republic of Korea
| | - Mi Sun Ju
- Department of Oriental Pharmaceutical Science, College of Pharmacy and Kyung Hee East-West Pharmaceutical Research Institute, Kyung Hee University, Seoul 130–701, Republic of Korea
| | - Sang Keun Ha
- Functional Materials Research Group, Korea Food Research Institute, Gyeonggi 463–746, Republic of Korea
| | - Yongkon Park
- Functional Materials Research Group, Korea Food Research Institute, Gyeonggi 463–746, Republic of Korea
| | - Sun Yeou Kim
- College of Pharmacy, Gachon University, Incheon 406–799, Republic of Korea
| | - Myung Sook Oh
- Department of Life and Nanopharmaceutical Science, Kyung Hee University, Seoul 130–701, Republic of Korea
- Department of Oriental Pharmaceutical Science, College of Pharmacy and Kyung Hee East-West Pharmaceutical Research Institute, Kyung Hee University, Seoul 130–701, Republic of Korea
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