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Singh S, Mishra A. Linalool: Therapeutic Indication And Their Multifaceted Biomedical Applications. Drug Res (Stuttg) 2024; 74:255-268. [PMID: 38968949 DOI: 10.1055/a-2321-9571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/07/2024]
Abstract
This comprehensive review endeavors to illuminate the nuanced facets of linalool, a prominent monoterpene found abundantly in essential oils, constituting a massive portion of their composition. The biomedical relevance of linalool is a key focus, highlighting its therapeutic attributes observed through anti-nociceptive effects, anxiolytic properties, and behavioral modulation in individuals affected by dementia. These findings underscore the compound's potential application in biomedical applications. This review further explores contemporary formulations, delineating the adaptability of linalool in nano-emulsions, microemulsions, bio-capsules, and various topical formulations, including topical gels and lotions. This review covers published and granted patents between 2018-2024 and sheds light on the evolving landscape of linalool applications, revealing advancements in dermatological, anti-inflammatory, and antimicrobial domains.
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Affiliation(s)
- Shiva Singh
- Amity Institute of Pharmacy, Lucknow, Amity University Uttar Pradesh, Noida, (U.P.) India
| | - Anuradha Mishra
- Amity Institute of Pharmacy, Lucknow, Amity University Uttar Pradesh, Noida, (U.P.) India
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2
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Lakyat A, Pumnuan J, Doungnapa T, Phutphat S, Kramchote S, Thipmanee K. Nanoemulsion-based plant essential oil formulations: in vitro evaluation of pesticidal activity against ectoparasites in poultry. Poult Sci 2024; 103:103245. [PMID: 38007904 PMCID: PMC10801651 DOI: 10.1016/j.psj.2023.103245] [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: 07/01/2023] [Revised: 10/23/2023] [Accepted: 10/24/2023] [Indexed: 11/28/2023] Open
Abstract
Ectoparasite infestations significantly impact the health and productivity of poultry. Chemical applications, although common for pest control, lead to pesticide residues and parasite resistance in poultry. Nanoemulsion-based plant essential oil formulations (NEOFs) provide a promising alternative for controlling poultry ectoparasites. This study aimed to assess the efficacy of NEOFs from clove, cinnamon, and turmeric essential oils (EOs) against ectoparasites, Menopon gallinae and Megninia ginglymura, under laboratory conditions. The toxicity and repellent properties of the NEOFs were examined, with the major chemical compounds of the EOs analyzed using chromatography mass spectrometer. Results identified eugenol as the dominant component in clove and cinnamon EOs (84.60 and 75.19%, respectively), while turmerone (68.46%) was the major compound in turmeric EO. NEOFs with clove:cinnamon:turmeric ratios of 4:0:0, 2:2:0, and 2:0:2 had particle size of 20.76 nm, 20.66 nm, and 89.56 nm, respectively, while those based on eugenol and turmerone standards had sizes <21.0 nm. In addition, NEOFs at 0.3% concentration with ratios of 4:0:0 and 2:2:0 achieved full control of both ectoparasites. These formulas demonstrated exceptional potency in exterminating ectoparasites, with LC50 and LC90 at <0.160 and <0.250%, respectively, 6 h after treatments. Furthermore, both NEOFs showed higher repellence responses in M. gallinae compared to M. ginglymura. The toxicities of these NEOFs were comparably effective against both parasites, showing no significant difference compared with chemical insecticide treatment. Therefore, further research will explore the practicality of using clove and cinnamon-derived NEOFs under farm conditions.
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Affiliation(s)
- Anuwat Lakyat
- School of Agricultural Technology, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand
| | - Jarongsak Pumnuan
- School of Agricultural Technology, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand.
| | - Thanaporn Doungnapa
- School of Agricultural Technology, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand
| | - Sudjai Phutphat
- School of Science, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand
| | - Somsak Kramchote
- School of Agricultural Technology, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand
| | - Kamronwit Thipmanee
- School of Agricultural Technology, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand
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3
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Guo Q, Wang X, Wang Y, Zhou P, Zhang X. Volatile Oil of Magnolia biondii Pamp. for Transnasal Administration: Its Preparation, Characterization, and Mechanism of Action in the Treatment of Allergic Rhinitis. Curr Drug Deliv 2024; 21:1408-1421. [PMID: 38441019 DOI: 10.2174/0115672018286048240229180813] [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: 11/21/2023] [Revised: 01/18/2024] [Accepted: 01/26/2024] [Indexed: 03/06/2024]
Abstract
BACKGROUND Allergic Rhinitis (AR) is a common chronic nasal condition usually caused by allergens. The immune system overreacts when the body is exposed to allergens, releasing a lot of tissue chemicals that cause congestion, more secretions, and an inflammatory reaction in the nasal mucosa. METHOD In clinical practice, it remains a significant public health issue. Modern pharmacological studies have demonstrated that Magnolia Volatile Oil (MVO) has good anti-inflammatory, antibacterial, immunomodulatory, and other pharmacological effects. Previous research and literature reports have reported that MVO has good therapeutic effects on allergic rhinitis. However, due to the poor water solubility of Magnolia, its bioavailability is low. The purpose of this present work is to develop a new microemulsion formulation to improve the stability and bioavailability of MVO. RESULTS The droplet size, PDI, and zeta potential of Magnolia volatile oil microemulsion (MVOME) were characterized along with its physical characteristics, and these values were found to be 14.270.03 nm, 0.09410.31, and -0.35850.12 mV, respectively, demonstrating the successful formation of microemulsion. In OVA-induced AR rats, MVO-ME dramatically reduced the serum levels of TNF-α, IL-1β, and IL-6 inflammatory factors. In addition, MVO-ME significantly inhibited the expression of protein levels of PPAR-γ and P65 in the nasal mucosa of AR rats. In this regard, we hypothesized that MVO-ME may play a therapeutic role in AR by activating the PPAR signaling pathway as well as inhibiting the activation of the NF/κB signaling pathway. CONCLUSION MVO-ME has systematic advantages, such as high solubility, bioavailability, etc. It is expected to be an efficient nano-drug delivery system for the clinical treatment of allergic rhinitis.
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Affiliation(s)
- Qiuting Guo
- Xianyang Vocational and Technical College, Xianyang 712000, Shaanxi, China
| | - Xuan Wang
- Key Laboratory of Basic and New Drug Research of Traditional Chinese Medicine, Shaanxi University of Chinese Medicine, Xianyang 712046, Shaanxi, China
| | - Yao Wang
- Key Laboratory of Basic and New Drug Research of Traditional Chinese Medicine, Shaanxi University of Chinese Medicine, Xianyang 712046, Shaanxi, China
| | - Peijie Zhou
- Key Laboratory of Basic and New Drug Research of Traditional Chinese Medicine, Shaanxi University of Chinese Medicine, Xianyang 712046, Shaanxi, China
| | - Xiaofei Zhang
- Key Laboratory of Basic and New Drug Research of Traditional Chinese Medicine, Shaanxi University of Chinese Medicine, Xianyang 712046, Shaanxi, China
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Phukan BC, Roy R, Gahatraj I, Bhattacharya P, Borah A. Therapeutic considerations of bioactive compounds in Alzheimer's disease and Parkinson's disease: Dissecting the molecular pathways. Phytother Res 2023; 37:5657-5699. [PMID: 37823581 DOI: 10.1002/ptr.8012] [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: 02/16/2023] [Revised: 08/22/2023] [Accepted: 08/24/2023] [Indexed: 10/13/2023]
Abstract
Leading neurodegenerative diseases Alzheimer's disease (AD) and Parkinson's disease (PD) are characterized by the impairment of memory and motor functions, respectively. Despite several breakthroughs, there exists a lack of disease-modifying treatment strategies for these diseases, as the available drugs provide symptomatic relief and bring along side effects. Bioactive compounds are reported to bear neuroprotective properties with minimal toxicity, however, a detailed elucidation of their modes of neuroprotection is lacking. The review elucidates the neuroprotective mechanism(s) of some of the major phyto-compounds in pre-clinical and clinical studies of AD and PD to understand their potential in combating these diseases. Curcumin, eugenol, resveratrol, baicalein, sesamol and so on have proved efficient in countering the pathological hallmarks of AD and PD. Curcumin, resveratrol, caffeine and so on have reached the clinical phases of these diseases, while aromadendrin, delphinidin, cyanidin and xanthohumol are yet to be extensively explored in pre-clinical phases. The review highlights the need for extensive investigation of these compounds in the clinical stages of these diseases so as to utilize their disease-modifying abilities in the real field of treatment. Moreover, poor pharmacokinetic properties of natural compounds are constraints to their therapeutic yields and this review suggests a plausible contribution of nanotechnology in overcoming these limitations.
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Affiliation(s)
| | - Rubina Roy
- Department of Life Science and Bioinformatics, Assam University, Silchar, Assam, India
| | - Indira Gahatraj
- Department of Life Science and Bioinformatics, Assam University, Silchar, Assam, India
| | - Pallab Bhattacharya
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Gandhinagar, Gujarat, India
| | - Anupom Borah
- Department of Life Science and Bioinformatics, Assam University, Silchar, Assam, India
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Wang YH, Mondal G, Stevens N, Bascoul C, Osguthorpe RJ, Khan IA, Yates CR. Development of a Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) Method for Characterizing Linalool Oral Pharmacokinetics in Humans. Molecules 2023; 28:6457. [PMID: 37764231 PMCID: PMC10538094 DOI: 10.3390/molecules28186457] [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: 02/20/2023] [Revised: 08/10/2023] [Accepted: 08/23/2023] [Indexed: 09/29/2023] Open
Abstract
Lavender (Lavandula angustifolia Miller or Lavandula officinalis Chaix) is an ethnopharmacological plant commonly known as English lavender. Linalool and linalyl acetate are putative phytoactives in lavender essential oil (LEO) derived from the flower heads. LEO has been used in aroma or massage therapy to reduce sleep disturbance and to mitigate anxiety. Recently, an oral LEO formulation was administered in human clinical trials designed to ascertain its anxiolytic effect. However, human pharmacokinetics and an LC-MS/MS method for the measurement of linalool are lacking. To address this deficiency, a rapid and sensitive liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was developed for the analysis of linalool in human serum. Prior to the analysis, a simple sample preparation protocol including protein precipitation and liquid-liquid extraction of serum samples was created. The prepared samples were analyzed using a C18 reversed-phase column and gradient elution (acetonitrile and water, both containing 0.1% formic acid). A Waters Xevo TQ-S tandem mass spectrometer (positive mode) was used to quantitatively determine linalool and IS according to transitions of m/z 137.1→95.1 (tR 0.79 min) and 205.2→149.1 (tR 1.56 min), respectively. The method was validated for precision, accuracy, selectivity, linearity, sensitivity, matrix effects, and stability, and it was successfully applied to characterize the oral pharmacokinetics of linalool in humans. The newly developed LC-MS/MS-based method and its application in clinical trial serum samples are essential for the characterization of potential pharmacokinetic and pharmacodynamic interactions.
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Affiliation(s)
- Yan-Hong Wang
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS 38677, USA
| | - Goutam Mondal
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS 38677, USA
| | | | | | | | - Ikhlas A. Khan
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS 38677, USA
- Division of Pharmacognosy, Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, MS 38677, USA
| | - Charles R. Yates
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS 38677, USA
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Bappi MH, Prottay AAS, Kamli H, Sonia FA, Mia MN, Akbor MS, Hossen MM, Awadallah S, Mubarak MS, Islam MT. Quercetin Antagonizes the Sedative Effects of Linalool, Possibly through the GABAergic Interaction Pathway. Molecules 2023; 28:5616. [PMID: 37513487 PMCID: PMC10384931 DOI: 10.3390/molecules28145616] [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: 06/09/2023] [Revised: 07/15/2023] [Accepted: 07/20/2023] [Indexed: 07/30/2023] Open
Abstract
Sedatives promote calmness or sleepiness during surgery or severely stressful events. In addition, depression is a mental health issue that negatively affects emotional well-being. A group of drugs called anti-depressants is used to treat major depressive illnesses. The aim of the present work was to evaluate the effects of quercetin (QUR) and linalool (LIN) on thiopental sodium (TS)-induced sleeping mice and to investigate the combined effects of these compounds using a conventional co-treatment strategy and in silico studies. For this, the TS-induced sleeping mice were monitored to compare the occurrence, latency, and duration of the sleep-in response to QUR (10, 25, 50 mg/kg), LIN (10, 25, 50 mg/kg), and diazepam (DZP, 3 mg/kg, i.p.). Moreover, an in silico investigation was undertaken to assess this study's putative modulatory sedation mechanism. For this, we observed the ability of test and standard medications to interact with various gamma-aminobutyric acid A receptor (GABAA) subunits. Results revealed that QUR and LIN cause dose-dependent antidepressant-like and sedative-like effects in animals, respectively. In addition, QUR-50 mg/kg and LIN-50 mg/kg and/or DZP-3 mg/kg combined were associated with an increased latency period and reduced sleeping times in animals. Results of the in silico studies demonstrated that QUR has better binding interaction with GABAA α3, β1, and γ2 subunits when compared with DZP, whereas LIN showed moderate affinity with the GABAA receptor. Taken together, the sleep duration of LIN and DZP is opposed by QUR in TS-induced sleeping mice, suggesting that QUR may be responsible for providing sedation-antagonizing effects through the GABAergic interaction pathway.
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Affiliation(s)
- Mehedi Hasan Bappi
- Department of Pharmacy, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj 8100, Bangladesh
| | - Abdullah Al Shamsh Prottay
- Department of Pharmacy, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj 8100, Bangladesh
| | - Hossam Kamli
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha 61421, Saudi Arabia
| | - Fatema Akter Sonia
- Department of Pharmacy, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj 8100, Bangladesh
| | - Md Nayem Mia
- Department of Pharmacy, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj 8100, Bangladesh
| | - Md Showkoth Akbor
- Department of Pharmacy, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj 8100, Bangladesh
| | - Md Munnaf Hossen
- School of Health and Biomedical Sciences, RMIT University, Bundoora, VIC 3083, Australia
| | - Samir Awadallah
- Department of Medical Lab Sciences, Faculty of Allied Medical Sciences, Zarqa University, Zarqa 13110, Jordan
| | | | - Muhammad Torequl Islam
- Department of Pharmacy, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj 8100, Bangladesh
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7
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Tsai MJ, Chang WY, Chiu IH, Lin IL, Wu PC. Improvement in Skin Penetration Capacity of Linalool by Using Microemulsion as a Delivery Carrier: Formulation Optimization and In Vitro Evaluation. Pharmaceutics 2023; 15:pharmaceutics15051446. [PMID: 37242688 DOI: 10.3390/pharmaceutics15051446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/01/2023] [Accepted: 05/08/2023] [Indexed: 05/28/2023] Open
Abstract
Linalool is an aromatic oil with analgesic, anti-inflammatory and anti-UVB-induced skin damage effects. The aim of this study was to develop a linalool-loaded microemulsion formulation for topical application. In order to quickly obtain an optimal drug-loaded formulation, statistical tools of the response surface methodology and a mixed experimental design with four independent variables of oil (X1), mixed surfactant (X2), cosurfactant (X3) and water (X4) were used to design a series of model formulations in order to analyze the effect of the composition on the characteristics and permeation capacity of linalool-loaded microemulsion formulations and to obtain an appropriate drug-loaded formulation. The results showed that the droplet size, viscosity and penetration capacity of linalool-loaded formulations were significantly affected by formulation component proportions. The skin deposition amount of the drug and flux of such formulations expressively increased about 6.1-fold and 6.5-fold, respectively, when compared to the control group (5% linalool dissolved in ethanol). After 3 months of storage, the physicochemical characteristics and drug level did not show a significant change. The linalool formulation-treated rat skin showed non-significant irritation compared to skin treatments in the distilled-water-treated group. The results showed that specific microemulsion applications might be considered as potential drug delivery carriers for essential oil topical application.
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Affiliation(s)
- Ming-Jun Tsai
- School of Medicine, College of Medicine, China Medical University, Taichung 404, Taiwan
- Department of Neurology, China Medical University Hospital, Taichung 404, Taiwan
- Department of Neurology, An-Nan Hospital, China Medical University, Tainan 709, Taiwan
| | - Wen-Yu Chang
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - I-Hui Chiu
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - I-Ling Lin
- Department of Medicine Laboratory Science and Biotechnology, College of Health Science, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Laboratory Medicine, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - Pao-Chu Wu
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
- Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan
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In Vitro Metabolism and CYP-Modulating Activity of Lavender Oil and Its Major Constituents. MOLECULES (BASEL, SWITZERLAND) 2023; 28:molecules28020755. [PMID: 36677813 PMCID: PMC9862203 DOI: 10.3390/molecules28020755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 01/02/2023] [Accepted: 01/09/2023] [Indexed: 01/15/2023]
Abstract
The application of essential oils has historically been limited to topical (massage therapy) and inhalational (aromatherapy) routes of administration. More recently, however, evaluation of the therapeutic effects of essential oils has expanded to include the oral route of administration, which increases the herb-drug interaction potential. The purpose of this study was to evaluate the herb-drug interaction potential of lavender essential oil and two of its primary phytoactive constituents, namely linalool and linalyl acetate. The metabolic stability of linalool and linalyl acetate was determined in human liver microsomes (HLM) and S9 fractions by quantitative analysis using UPLC-MS/MS system. Linalool was metabolically unstable in HLM and S9 fractions with an intrinsic clearance of 31.28 mL·min-1·kg-1, and 7.64 mL·min-1·kg-1, respectively. Interestingly, it was observed that linalyl acetate converted to linalool both in HLM and S9 fractions. Lavender oil showed weak inhibitory effect on the catalytic activity of CYP3A4 and CYP1A2 enzymes (IC50 12.0 and 21.5 µg/mL). Linalyl acetate inhibited CYP3A4 (IC50 4.75 µg/mL) while linalool did not show any inhibitory effect on any of the enzymes. The lavender oil and its constituents did not activate PXR to a considerable extent, and no activation of AhR was observed, suggesting a lack of potential to modify the pharmacokinetic and pharmacodynamic properties of conventional medications if used concurrently.
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Beuning CN, Lovestead TM, Huber ML, Widegren JA. Vapor pressure measurements on linalool using a rapid and inexpensive method suitable for cannabis-associated terpenes †. JOURNAL OF CHEMICAL AND ENGINEERING DATA 2023; 68:3289-3297. [PMID: 38312736 PMCID: PMC10836221 DOI: 10.1021/acs.jced.3c00360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2024]
Abstract
Vapor pressure (psat) data are needed to assess the potential use of terpenes as breath markers of recent cannabis use. Herein, a recently introduced gas-saturation method for psat measurements, known as dynamic vapor microextraction (DVME), was used to measure psat for the terpene (±)-3,7-dimethylocta-1,6-dien-3-ol, commonly known as linalool. The DVME apparatus utilizes inexpensive and commercially available components, a low internal volume, and helium carrier gas to minimize nonideal mixture behavior. In the temperature range from 314 K to 354 K, DVME-based measurements of the psat of linalool ranged from 81 Pa to 1250 Pa. With a measurement period of 30 min, the combined standard uncertainty of these measurements ranged from 0.0358·psat to 0.0584·psat, depending on temperature. The DVME-based measurements agree with a Wagner correlation of available literature data. We demonstrate that DVME produces accurate results for values of psat that are 200 times higher than in the DVME validation study with n-eicosane (C20H42). The oxidative stability of linalool was improved by the addition of 0.2 mass % of the antioxidant tert-butylhydroquinone.
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Affiliation(s)
- Cheryle N Beuning
- Applied Chemicals and Materials Division, National Institute of Standards and Technology, MS 647.07, 325 Broadway, Boulder, CO 80305
| | - Tara M Lovestead
- Applied Chemicals and Materials Division, National Institute of Standards and Technology, MS 647.07, 325 Broadway, Boulder, CO 80305
| | - Marcia L Huber
- Applied Chemicals and Materials Division, National Institute of Standards and Technology, MS 647.07, 325 Broadway, Boulder, CO 80305
| | - Jason A Widegren
- Applied Chemicals and Materials Division, National Institute of Standards and Technology, MS 647.07, 325 Broadway, Boulder, CO 80305
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Shen X, Rong W, Adu-Frimpong M, He Q, Li X, Shi F, Ji H, Toreniyazov E, Xia X, Zhang J, Wang Q, Yu J, Xu X. Preparation, in vitro and in vivo evaluation of pinocembrin-loaded TPGS modified liposomes with enhanced bioavailability and antihyperglycemic activity. Drug Dev Ind Pharm 2022; 48:623-634. [PMID: 36420780 DOI: 10.1080/03639045.2022.2151616] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE To prepare polyethylene glycol succinate-vitamin E modified pinocembrin (PCB)-loaded liposomes (PCBT-liposomes) and evaluate PCBT-liposomal pharmacokinetics and antihyperglycemic activity. SIGNIFICANCE The novel PCBT-liposomes demonstrated a promising application prospect as a nano drug carrier for future research. METHODS Thin film dispersion was used to prepare PCBT-liposomes. We measured a series of characterization, followed by in vitro cumulative release, in vivo pharmacokinetic study, and antihyperglycemic activity evaluation. RESULTS PCBT-liposomes displayed spherical and bilayered nanoparticles with mean particle size (roughly 92 nm), negative zeta potential (about -26.650 mV), high drug encapsulation efficiency (87.32 ± 1.34%) and good storage (at 4 or 25 °C) stability during 48 h after hydration. The cumulative release rate of PCBT-liposomes was markedly higher than free PCB in four different pH media. In vivo investigation showed that PCBT-liposomes could obviously improve oral bioavailability of PCB by 1.96 times, whereas the Cmax, MRT0-t, and T1/2 of PCBT-liposomes were roughly 1.700 ± 0.139 µg·mL-1, 12.695 ± 1.647 h, and 14.244 h, respectively. In terms of biochemical analysis, aspartate amino-transferase (AST), alanine amino-transferase (ALT), interleukin-1 (IL-1), and tumor necrosis factor-α (TNF-α) concentrations in serum of diabetic mice were respectively decreased 28.28%, 17.23%, 17.77%, and 8.08% after PCBT-liposomal treatment. CONCLUSION These results show PCBT-liposomal preparation as an excellent nano-carrier which has the potential to improve water solubility, bioavailability, and antihyperglycemic activity of PCB, amid broadening the application of PCB in the clinical settings.
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Affiliation(s)
- Xinyi Shen
- Department of Pharmaceutics, Pharmacy School, Center for Nano Drug-Gene Delivery and Tissue Engineering, Center for Medicinal Function Development of New Food Resources, Jiangsu Provincial Research, Jiangsu University, Zhenjiang, China
| | - Wanjing Rong
- Department of Pharmaceutics, Pharmacy School, Center for Nano Drug-Gene Delivery and Tissue Engineering, Center for Medicinal Function Development of New Food Resources, Jiangsu Provincial Research, Jiangsu University, Zhenjiang, China
| | - Michael Adu-Frimpong
- Department of Biochemistry and Forensic Sciences, School of Chemical and Biochemical Sciences, C. K. Tedam University of Technology and Applied Sciences (CKT-UTAS), Navrongo, Ghana
| | - Qing He
- Department of Pharmaceutics, Pharmacy School, Center for Nano Drug-Gene Delivery and Tissue Engineering, Center for Medicinal Function Development of New Food Resources, Jiangsu Provincial Research, Jiangsu University, Zhenjiang, China
| | - Xiaoxiao Li
- Department of Pharmaceutics, Pharmacy School, Center for Nano Drug-Gene Delivery and Tissue Engineering, Center for Medicinal Function Development of New Food Resources, Jiangsu Provincial Research, Jiangsu University, Zhenjiang, China
| | - Feng Shi
- Department of Pharmaceutics, Pharmacy School, Center for Nano Drug-Gene Delivery and Tissue Engineering, Center for Medicinal Function Development of New Food Resources, Jiangsu Provincial Research, Jiangsu University, Zhenjiang, China
| | - Hao Ji
- Jiangsu Tian Sheng Pharmaceutical Co., Ltd., Zhenjiang, China
| | | | - Xiaoli Xia
- Department of Pharmaceutics, Pharmacy School, Center for Nano Drug-Gene Delivery and Tissue Engineering, Center for Medicinal Function Development of New Food Resources, Jiangsu Provincial Research, Jiangsu University, Zhenjiang, China
| | - Jian Zhang
- Department of Pharmaceutics, Pharmacy School, Center for Nano Drug-Gene Delivery and Tissue Engineering, Center for Medicinal Function Development of New Food Resources, Jiangsu Provincial Research, Jiangsu University, Zhenjiang, China
| | - Qilong Wang
- Department of Pharmaceutics, Pharmacy School, Center for Nano Drug-Gene Delivery and Tissue Engineering, Center for Medicinal Function Development of New Food Resources, Jiangsu Provincial Research, Jiangsu University, Zhenjiang, China
| | - Jiangnan Yu
- Department of Pharmaceutics, Pharmacy School, Center for Nano Drug-Gene Delivery and Tissue Engineering, Center for Medicinal Function Development of New Food Resources, Jiangsu Provincial Research, Jiangsu University, Zhenjiang, China
| | - Ximing Xu
- Department of Pharmaceutics, Pharmacy School, Center for Nano Drug-Gene Delivery and Tissue Engineering, Center for Medicinal Function Development of New Food Resources, Jiangsu Provincial Research, Jiangsu University, Zhenjiang, China
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Fouyet S, Olivier E, Leproux P, Boutefnouchet S, Dutot M, Rat P. Cocktail Effect of Endocrine Disrupting Chemicals: Application to Chlorpyrifos in Lavender Essential Oils. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:12984. [PMID: 36232284 PMCID: PMC9566273 DOI: 10.3390/ijerph191912984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 10/03/2022] [Accepted: 10/04/2022] [Indexed: 06/16/2023]
Abstract
Chlorpyrifos is a pesticide that is toxic to human health and has been banned for the past decade. Due to its persistent and bioaccumulative properties, chlorpyrifos is still present in soil. Pregnant women can be exposed to chlorpyrifos through drinking water and herbal products, such as essential oils (EOs), resulting in adverse effects to the mother and fetus. Our objective was to evaluate and compare the potential endocrine disrupting effects of chlorpyrifos "free" or in contaminated lavender EO. We studied the release of four hormones and the activation of the P2X7 cell death receptor in human placental JEG-Tox cells as key biomarkers of endocrine toxicity for pregnant women (hPlacentox assay). We observed that "free" chlorpyrifos disrupted placental hormones and activated the P2X7 receptor, whereas chlorpyrifos in lavender EO disrupted only the placental hormones. We confirm that chlorpyrifos can be classified as an endocrine disrupting chemical (EDC) for pregnant women and point out that its endocrine disrupting effect may not be apparent when present in lavender EOs. Our results reveal the existence of specific reverse cocktail effects that may have protective properties against EDCs.
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Affiliation(s)
- Sophie Fouyet
- Université Paris cité, CNRS CiTCoM, 75006 Paris, France
- Laboratoires Léa Nature, 17180 Périgny, France
| | | | | | | | - Mélody Dutot
- Université Paris cité, CNRS CiTCoM, 75006 Paris, France
- Yslab, Recherche & Développement, 29000 Quimper, France
| | - Patrice Rat
- Université Paris cité, CNRS CiTCoM, 75006 Paris, France
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12
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Gouveia DN, Guimarães AG, Oliveira MA, Rabelo TK, Pina LTS, Santos WBR, Almeida IKS, A. Andrade T, Serafini MR, S. Lima B, Araújo AAS, Menezes-Filho JER, Santos-Miranda A, Scotti L, Scotti MT, Coutinho HDM, Quintans JSS, Capasso R, Quintans-Júnior LJ. Nanoencapsulated α-terpineol attenuates neuropathic pain induced by chemotherapy through calcium channel modulation. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04161-x] [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]
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13
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Wu Y, Zhao S, Hu L. Identification of potent α-amylase inhibitors via dynamic combinatorial chemistry. Bioorg Med Chem 2022; 55:116609. [PMID: 35021143 DOI: 10.1016/j.bmc.2022.116609] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 12/31/2021] [Accepted: 01/02/2022] [Indexed: 11/30/2022]
Abstract
In this study, we report for the first time the discovery of potent α-amylase inhibitors using principle of dynamic combinatorial chemistry. The best compound identified exhibited not only high inhibitory efficiency but also low cytotoxicity. The binding mode and possible mechanism are determined in the subsequent kinetic and molecular docking studies.
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Affiliation(s)
- Yao Wu
- School of Pharmacy, Jiangsu University, 301 Xuefu Rd., Zhenjiang, China
| | - Shuang Zhao
- School of Pharmacy, Jiangsu University, 301 Xuefu Rd., Zhenjiang, China
| | - Lei Hu
- School of Pharmacy, Jiangsu University, 301 Xuefu Rd., Zhenjiang, China.
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14
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Zhao S, Wu Y, Hu L. Identification and synthesis of selective cholesterol esterase inhibitor using dynamic combinatorial chemistry. Bioorg Chem 2021; 119:105520. [PMID: 34864280 DOI: 10.1016/j.bioorg.2021.105520] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 11/22/2021] [Accepted: 11/24/2021] [Indexed: 12/15/2022]
Abstract
In this study, the concept of dynamic combinatorial chemistry (DCC) was applied to explore novel cholesterol esterase (CEase) inhibitors. In the presence of enzyme, two substrates (A1H3 and A2H3) were amplified from the dynamic combinatorial library (DCL), which was generated through reversible acylhydrazone formation reaction. In the in vitro biological evaluation, compound A1H3 exhibited not only potent (IC50 in nanomolar range) but also selective inhibition (>120 folds of selectivity for CEase over AChE). Furthermore, the binding pattern and possible binding mechanism were investigated in the kinetic experiment and molecular docking study, respectively.
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Affiliation(s)
- Shuang Zhao
- School of Pharmacy, Jiangsu University, Zhenjiang, 301 Xuefu Rd., Zhenjiang, China
| | - Yao Wu
- School of Pharmacy, Jiangsu University, Zhenjiang, 301 Xuefu Rd., Zhenjiang, China
| | - Lei Hu
- School of Pharmacy, Jiangsu University, Zhenjiang, 301 Xuefu Rd., Zhenjiang, China.
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15
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Sadgrove NJ, Padilla-González GF, Leuner O, Melnikovova I, Fernandez-Cusimamani E. Pharmacology of Natural Volatiles and Essential Oils in Food, Therapy, and Disease Prophylaxis. Front Pharmacol 2021; 12:740302. [PMID: 34744723 PMCID: PMC8566702 DOI: 10.3389/fphar.2021.740302] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 10/04/2021] [Indexed: 12/19/2022] Open
Abstract
This commentary critically examines the modern paradigm of natural volatiles in 'medical aromatherapy', first by explaining the semantics of natural volatiles in health, then by addressing chemophenetic challenges to authenticity or reproducibility, and finally by elaborating on pharmacokinetic and pharmacodynamic processes in food, therapy, and disease prophylaxis. Research over the last 50 years has generated substantial knowledge of the chemical diversity of volatiles, and their strengths and weaknesses as antimicrobial agents. However, due to modest in vitro outcomes, the emphasis has shifted toward the ability to synergise or potentiate non-volatile natural or pharmaceutical drugs, and to modulate gene expression by binding to the lipophilic domain of mammalian cell receptors. Because essential oils and natural volatiles are small and lipophilic, they demonstrate high skin penetrating abilities when suitably encapsulated, or if derived from a dietary item they bioaccumulate in fatty tissues in the body. In the skin or body, they may synergise or drive de novo therapeutic outcomes that range from anti-inflammatory effects through to insulin sensitisation, dermal rejuvenation, keratinocyte migration, upregulation of hair follicle bulb stem cells or complementation of anti-cancer therapies. Taking all this into consideration, volatile organic compounds should be examined as candidates for prophylaxis of cardiovascular disease. Considering the modern understanding of biology, the science of natural volatiles may need to be revisited in the context of health and nutrition.
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Affiliation(s)
| | | | - Olga Leuner
- Department of Crop Sciences and Agroforestry, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Prague, Czech Republic
| | - Ingrid Melnikovova
- Department of Crop Sciences and Agroforestry, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Prague, Czech Republic
| | - Eloy Fernandez-Cusimamani
- Department of Crop Sciences and Agroforestry, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Prague, Czech Republic
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16
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Liktor-Busa E, Keresztes A, LaVigne J, Streicher JM, Largent-Milnes TM. Analgesic Potential of Terpenes Derived from Cannabis sativa. Pharmacol Rev 2021; 73:98-126. [PMID: 34663685 PMCID: PMC11060501 DOI: 10.1124/pharmrev.120.000046] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Pain prevalence among adults in the United States has increased 25% over the past two decades, resulting in high health-care costs and impacts to patient quality of life. In the last 30 years, our understanding of pain circuits and (intra)cellular mechanisms has grown exponentially, but this understanding has not yet resulted in improved therapies. Options for pain management are limited. Many analgesics have poor efficacy and are accompanied by severe side effects such as addiction, resulting in a devastating opioid abuse and overdose epidemic. These problems have encouraged scientists to identify novel molecular targets and develop alternative pain therapeutics. Increasing preclinical and clinical evidence suggests that cannabis has several beneficial pharmacological activities, including pain relief. Cannabis sativa contains more than 500 chemical compounds, with two principle phytocannabinoids, Δ9-tetrahydrocannabinol (Δ9-THC) and cannabidiol (CBD). Beyond phytocannabinoids, more than 150 terpenes have been identified in different cannabis chemovars. Although the predominant cannabinoids, Δ9-THC and CBD, are thought to be the primary medicinal compounds, terpenes including the monoterpenes β-myrcene, α-pinene, limonene, and linalool, as well as the sesquiterpenes β-caryophyllene and α-humulene may contribute to many pharmacological properties of cannabis, including anti-inflammatory and antinociceptive effects. The aim of this review is to summarize our current knowledge about terpene compounds in cannabis and to analyze the available scientific evidence for a role of cannabis-derived terpenes in modern pain management. SIGNIFICANCE STATEMENT: Decades of research have improved our knowledge of cannabis polypharmacy and contributing phytochemicals, including terpenes. Reform of the legal status for cannabis possession and increased availability (medicinal and recreational) have resulted in cannabis use to combat the increasing prevalence of pain and may help to address the opioid crisis. Better understanding of the pharmacological effects of cannabis and its active components, including terpenes, may assist in identifying new therapeutic approaches and optimizing the use of cannabis and/or terpenes as analgesic agents.
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Affiliation(s)
| | - Attila Keresztes
- Department of Pharmacology, University of Arizona, Tucson, Arizona
| | - Justin LaVigne
- Department of Pharmacology, University of Arizona, Tucson, Arizona
| | - John M Streicher
- Department of Pharmacology, University of Arizona, Tucson, Arizona
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17
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Tan OJ, Loo HL, Thiagarajah G, Palanisamy UD, Sundralingam U. Improving oral bioavailability of medicinal herbal compounds through lipid-based formulations - A Scoping Review. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2021; 90:153651. [PMID: 34340903 DOI: 10.1016/j.phymed.2021.153651] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Revised: 06/28/2021] [Accepted: 07/01/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Although numerous medicinal herbal compounds demonstrate promising therapeutic potential, their clinical application is often limited by their poor oral bioavailability. To circumvent this barrier, various lipid-based herbal formulations have been developed and trialled with promising experimental results. PURPOSE This scoping review aims to describe the effect of lipid-based formulations on the oral bioavailability of herbal compounds. METHODS A systematic search was conducted across three electronic databases (Medline, Embase and Cochrane Library) between January 2010 and January 2021 to identify relevant studies. The articles were rigorously screened for eligibility. Data from eligible studies were then extracted and collated for synthesis and descriptive analysis using Covidence. RESULTS A total of 109 studies were included in the present review: 105 animal studies and four clinical trials. Among the formulations investigated, 50% were emulsions, 34% lipid particulate systems, 12% vesicular systems, and 4% were other types of lipid-based formulations. Within the emulsion system classification, self-emulsifying drug delivery systems were observed to produce the best improvements in oral bioavailability, followed by mixed micellar formulations. The introduction of composite lipid-based formulations and the use of uncommon surfactants such as sodium oleate in emulsion preparation was shown to consistently enhance the bioavailability of herbal compounds with poor oral absorption. Interestingly, the lipid-based formulations of magnesium lithospermate B and Pulsatilla chinensis produced an absolute bioavailability greater than 100% indicating the possibility of prolonged systemic circulation. With respect to chemical conjugation, D-α-tocopheryl polyethylene glycol 1000 succinate (TPGS) was the most frequently used and significantly improved the bioavailability of its phytoconstituents. CONCLUSION Our findings suggest that there is no distinct lipid-based formulation superior to the other. Bioavailability improvements were largely dependent on the nature of the phytoconstituents. This scoping review, however, provided a detailed summary of the most up-to-date evidence on phytoconstituents formulated into lipid preparations and their oral bioavailability. We conclude that a systematic review and meta-analysis between bioavailability improvements of individual phytoconstituents (such as kaempferol, morin and myricetin) in various lipid-based formulations will provide a more detailed association. Such a review will be highly beneficial for both researchers and herbal manufacturers.
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Affiliation(s)
- Oi Jin Tan
- School of Pharmacy, Monash University Malaysia, Bandar Sunway, Subang Jaya, Malaysia.
| | - Hooi Leong Loo
- School of Pharmacy, Monash University Malaysia, Bandar Sunway, Subang Jaya, Malaysia.
| | - Gayathiri Thiagarajah
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Subang Jaya, Malaysia.
| | - Uma Devi Palanisamy
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Subang Jaya, Malaysia.
| | - Usha Sundralingam
- School of Pharmacy, Monash University Malaysia, Bandar Sunway, Subang Jaya, Malaysia.
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18
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de Alvarenga JFR, Genaro B, Costa BL, Purgatto E, Manach C, Fiamoncini J. Monoterpenes: current knowledge on food source, metabolism, and health effects. Crit Rev Food Sci Nutr 2021; 63:1352-1389. [PMID: 34387521 DOI: 10.1080/10408398.2021.1963945] [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] [Indexed: 01/17/2023]
Abstract
Monoterpenes, volatile metabolites produced by plants, are involved in the taste and aroma perception of fruits and vegetables and have been used for centuries in gastronomy, as food preservatives and for therapeutic purposes. Biological activities such as antimicrobial, analgesic and anti-inflammatory are well-established for some of these molecules. More recently, the ability of monoterpenes to regulate energy metabolism, and exert antidiabetic, anti-obesity and gut microbiota modulation activities have been described. Despite their promising health effects, the lack of reliable quantification of monoterpenes in food, hindered the investigation of their role as dietary bioactive compounds in epidemiological studies. Moreover, only few studies have documented the biotransformation of these compounds and identified the monoterpene metabolites with biological activity. This review presents up-to-date knowledge about the occurrence of monoterpenes in food, their bioavailability and potential role in the modulation of intermediate metabolism and inflammation, focusing on novel findings of molecular mechanisms, underlining research gaps and new avenues to be explored.
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Affiliation(s)
- José Fernando Rinaldi de Alvarenga
- Department of Food and Experimental Nutrition. Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil.,Food Research Center (FoRC), University of São Paulo, São Paulo, Brazil
| | - Brunna Genaro
- Department of Food and Experimental Nutrition. Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - Bruna Lamesa Costa
- Department of Food and Experimental Nutrition. Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - Eduardo Purgatto
- Department of Food and Experimental Nutrition. Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil.,Food Research Center (FoRC), University of São Paulo, São Paulo, Brazil
| | - Claudine Manach
- Université Clermont Auvergne, INRAE, UNH, Clermont-Ferrand, France
| | - Jarlei Fiamoncini
- Department of Food and Experimental Nutrition. Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil.,Food Research Center (FoRC), University of São Paulo, São Paulo, Brazil
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19
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Cimino C, Maurel OM, Musumeci T, Bonaccorso A, Drago F, Souto EMB, Pignatello R, Carbone C. Essential Oils: Pharmaceutical Applications and Encapsulation Strategies into Lipid-Based Delivery Systems. Pharmaceutics 2021; 13:pharmaceutics13030327. [PMID: 33802570 PMCID: PMC8001530 DOI: 10.3390/pharmaceutics13030327] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 02/12/2021] [Accepted: 02/24/2021] [Indexed: 12/14/2022] Open
Abstract
Essential oils are being studied for more than 60 years, but a growing interest has emerged in the recent decades due to a desire for a rediscovery of natural remedies. Essential oils are known for millennia and, already in prehistoric times, they were used for medicinal and ritual purposes due to their therapeutic properties. Using a variety of methods refined over the centuries, essential oils are extracted from plant raw materials: the choice of the extraction method is decisive, since it determines the type, quantity, and stereochemical structure of the essential oil molecules. To these components belong all properties that make essential oils so interesting for pharmaceutical uses; the most investigated ones are antioxidant, anti-inflammatory, antimicrobial, wound-healing, and anxiolytic activities. However, the main limitations to their use are their hydrophobicity, instability, high volatility, and risk of toxicity. A successful strategy to overcome these limitations is the encapsulation within delivery systems, which enable the increase of essential oils bioavailability and improve their chemical stability, while reducing their volatility and toxicity. Among all the suitable platforms, our review focused on the lipid-based ones, in particular micro- and nanoemulsions, liposomes, solid lipid nanoparticles, and nanostructured lipid carriers.
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Affiliation(s)
- Cinzia Cimino
- Laboratory of Drug Delivery Technology, Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy; (C.C.); (T.M.); (A.B.); (R.P.)
| | - Oriana Maria Maurel
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (O.M.M.); (F.D.)
| | - Teresa Musumeci
- Laboratory of Drug Delivery Technology, Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy; (C.C.); (T.M.); (A.B.); (R.P.)
| | - Angela Bonaccorso
- Laboratory of Drug Delivery Technology, Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy; (C.C.); (T.M.); (A.B.); (R.P.)
| | - Filippo Drago
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (O.M.M.); (F.D.)
| | - Eliana Maria Barbosa Souto
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal;
- CEB—Centre of Biological Engineering, Campus de Gualtar, University of Minho, 4710-057 Braga, Portugal
| | - Rosario Pignatello
- Laboratory of Drug Delivery Technology, Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy; (C.C.); (T.M.); (A.B.); (R.P.)
| | - Claudia Carbone
- Laboratory of Drug Delivery Technology, Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy; (C.C.); (T.M.); (A.B.); (R.P.)
- Correspondence:
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20
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Issazadeh SA, Hatami S, Yavarmanesh M. In vitro investigation of chemical composition and antibacterial activity of alcoholic, hydroalcoholic extracts, and essential oil of
Spinacia oleracea
leaves from Iran. J Food Saf 2021. [DOI: 10.1111/jfs.12891] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Seyed Ali Issazadeh
- Department of Food Science & Microbiology, Quchan Branch Islamic Azad University Quchan Iran
| | - Samaneh Hatami
- Department of Food Science and Technology, Faculty of Agriculture Ferdowsi University of Mashhad Mashhad Iran
| | - Masoud Yavarmanesh
- Department of Food Science and Technology, Faculty of Agriculture Ferdowsi University of Mashhad Mashhad Iran
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21
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Xu L, Li X, Zhang Y, Ding M, Sun B, Su G, Zhao Y. The effects of linalool acupoint application therapy on sleep regulation. RSC Adv 2021; 11:5896-5902. [PMID: 35423146 PMCID: PMC8694721 DOI: 10.1039/d0ra09751a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 12/08/2020] [Indexed: 01/16/2023] Open
Abstract
The Shenque acupoint is located in the umbilicus of the human body. In the human body meridians, the Shenque acupoint can regulate body functions. The Shenque acupoint was one of the important acupuncture acupoints for the treatment of insomnia. However, the effect of linalool applied at the Shenque acupoint to improve sleep was unknown. This study explored the hypnotic and sedative effects of the main component of lavender, linalool, on the Shenque acupoint of mice and rats. The effects on the sleep latency and sleep duration were studied with the supra-threshold dose of pentobarbital sodium, and the effects on the sleep rate were studied with the sub-threshold dose of pentobarbital sodium. In order to further study the feasibility and superiority of linalool administered at the Shenque acupoint, a pharmacokinetic study was carried out. The pharmacodynamic results showed that the mice and rats treated with linalool at Shenque had the highest sleep rate, the shortest sleep latency, and the longest sleep duration compared with other groups. The T max and t 1/2 of the LS were longer than those of the LO, and had the characteristics of sustained release. The relative bioavailability of LS was 323.0 ± 31.66%. This showed that the combination of linalool and the Shenque acupoint had greater medicinal effects. This development will provide a new direction for improving sleep.
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Affiliation(s)
- Lei Xu
- Shenyang Pharmaceutical University Shenyang 110016 China +86 24 43520300 +86 24 43520309 +86 24 43520303
| | - Xiaofei Li
- Shenyang Pharmaceutical University Shenyang 110016 China +86 24 43520300 +86 24 43520309 +86 24 43520303
| | - Yumeng Zhang
- Shenyang Pharmaceutical University Shenyang 110016 China +86 24 43520300 +86 24 43520309 +86 24 43520303
| | - Meng Ding
- Shenyang Pharmaceutical University Shenyang 110016 China +86 24 43520300 +86 24 43520309 +86 24 43520303
| | - Baoshan Sun
- Shenyang Pharmaceutical University Shenyang 110016 China +86 24 43520300 +86 24 43520309 +86 24 43520303
| | - Guangyue Su
- Shenyang Pharmaceutical University Shenyang 110016 China +86 24 43520300 +86 24 43520309 +86 24 43520303
| | - Yuqing Zhao
- Shenyang Pharmaceutical University Shenyang 110016 China +86 24 43520300 +86 24 43520309 +86 24 43520303
- Key Laboratory of Structure-based Drug Design and Discovery of Ministry of Education, Shenyang Pharmaceutical University Shenyang 110016 China
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22
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Gu M, Lu L, Wei Q, Miao Z, Zhang H, Gao L, Li L. Improved oral bioavailability and anti-chronic renal failure activity of chrysophanol via mixed polymeric micelles. J Microencapsul 2020; 38:47-60. [PMID: 33175576 DOI: 10.1080/02652048.2020.1849440] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
AIMS This study was designed to prepare chrysophanol-loaded micelles (CLM) to improve the oral bioavailability, targetability and anti-chronic renal failure (CRF) activity of chrysophanol (CH). METHODS The preparation of CLM was achieved via thin-film dispersion technique. The in vitro release of CLM compared with free CH was measured in phosphate buffer solution (PBS) containing 0.5%w/v sodium dodecyl sulphate (pH 6.8) while the pharmacokinetic and anti-CRF activity study was also conducted in rats. Moreover, the tissue distribution of CLM was investigated in the mice. RESULTS The CLM had particle size (PS) of 29.64 ± 0.71 nm, and encapsulation efficiency (EE) of 90.48 ± 1.22%w/w. The cumulative release rate of CH from the micellar system was significantly higher than that of the free CH (86%m/m vs. 15%m/m, p < 0.01). In vivo pharmacokinetic studies showed that the bioavailability of CLM after oral administration was substantially improved (about 3.4 times) compared with free drugs (p < 0.01). Also, it was observed that CLM accumulated well in the liver and brain. Moreover, in vitro renal podocytes study showed that CLM had better protection against renal podocyte damage than the free CH. In addition, CLM significantly (p < 0.01) reduced levels of blood urea nitrogen (BUN), kidney injury molecule-1 (Kim-1), and serum creatinine (SCr), which obviously improved kidney damage in rats with CRF. CONCLUSIONS Collectively, these findings suggest that mixed micelles may be used as a promising drug delivery system for oral bioavailability improvement and concomitantly enhance the anti-CRF activity of CH, as well as provide a basis for the clinical application of CH.
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Affiliation(s)
- Mingjia Gu
- Changshu Hospital Affiliated to Nanjing University of Chinese Medicine, Changshu, China
| | - Lidan Lu
- Changshu Hospital Affiliated to Nanjing University of Chinese Medicine, Changshu, China
| | - Qingxue Wei
- Changshu Hospital Affiliated to Nanjing University of Chinese Medicine, Changshu, China
| | - Zhiwei Miao
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, China
| | - Hang Zhang
- Changshu Hospital Affiliated to Nanjing University of Chinese Medicine, Changshu, China
| | - Leiping Gao
- Changshu Hospital Affiliated to Nanjing University of Chinese Medicine, Changshu, China
| | - Lejun Li
- Wuxi Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi, China
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23
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Mazani M, Rezagholizadeh L, Shamsi S, Mahdavifard S, Ojarudi M, Salimnejad R, Salimi A. Protection of CCl 4-induced hepatic and renal damage by linalool. Drug Chem Toxicol 2020; 45:963-971. [PMID: 32657163 DOI: 10.1080/01480545.2020.1792487] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The aim of the current study is to determine the protective and therapeutic effects of linalool against carbon tetrachloride (CCl4)-induced hepatoxicity and nephrotoxicity. Six-week-old male Wistar rats were divided into five groups: Control group (a regular diet); CCl4 group (1 ml/kg dissolved in olive oil, intraperitoneally at 14th day); pretreatment group (25 mg/kg linalool daily + CCl4 14thday); post-treatment group (25 mg/kg linalool 2, 6, 24, and 48 h after the injection of CCl4 at 14th day); and linalool group (25 mg/kg linalool daily, orally). All animals were sacrificed, tissue and blood samples were collected to analysis. Administration of CCl4 resulted in a marked increase in hepatic (aspartate aminotransferase, alanine transaminase, and alkaline phosphatase) and renal (blood urea nitrogen and creatinine) markers. Also, CCl4 resulted in pathological damages, a significant increase in the concentration of malondialdehyde , tumor necrosis factor-alpha, and Interleukin 6 , expression of nuclear factor kappa-light-chain-enhancer of activated B cells and a significant decrease in the levels of serum total protein, serum albumin, and antioxidants. However, in pretreatment and post treatment groups, linalool significantly inhibited CCl4- induced hepatic and nephric damages. These results demonstrate that linalool has protective and therapeutic effects in an in vitro model of CCL4-induced hepatic and nephric damage, proposing linalool as a potential therapeutic agent against chemical and drug induced hepatotoxicity and nephrotoxicity.
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Affiliation(s)
- Mohammad Mazani
- Department of Biochemistry, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Lotfollah Rezagholizadeh
- Department of Biochemistry, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Saeedeh Shamsi
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Sina Mahdavifard
- Department of Biochemistry, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Masoud Ojarudi
- Department of Biochemistry, Faculty of Sciences, Payame Noor University, Tehran, Iran
| | - Ramin Salimnejad
- Department of Anatomical Sciences and Pathology, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Ahmad Salimi
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
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Gugliandolo A, Bramanti P, Mazzon E. Activation of Nrf2 by Natural Bioactive Compounds: A Promising Approach for Stroke? Int J Mol Sci 2020; 21:ijms21144875. [PMID: 32664226 PMCID: PMC7402299 DOI: 10.3390/ijms21144875] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 07/06/2020] [Accepted: 07/08/2020] [Indexed: 12/12/2022] Open
Abstract
Stroke represents one of the main causes of disability and death worldwide. The pathological subtypes of stroke are ischemic stroke, the most frequent, and hemorrhagic stroke. Nrf2 is a transcription factor that regulates redox homeostasis. In stress conditions, Nrf2 translocates inside the nucleus and induces the transcription of enzymes involved in counteracting oxidative stress, endobiotic and xenobiotic metabolism, regulators of inflammation, and others. Different natural compounds, including food and plant-derived components, were shown to be able to activate Nrf2, mediating an antioxidant response. Some of these compounds were tested in stroke experimental models showing several beneficial actions. In this review, we focused on the studies that evidenced the positive effects of natural bioactive compounds in stroke experimental models through the activation of Nrf2 pathway. Interestingly, different natural compounds can activate Nrf2 through multiple pathways, inducing a strong antioxidant response associated with the beneficial effects against stroke. According to several studies, the combination of different bioactive compounds can lead to a better neuroprotection. In conclusion, natural bioactive compounds may represent new therapeutic strategies against stroke.
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de Araujo Andrade T, dos Passos Menezes P, de Carvalho YMBG, dos Santos Lima B, de Souza EPBSS, de Souza Araujo AA, Melo MAO, Quintans-Júnior LJ, de Souza Siqueira Quintans J, Guterres SS, Pohlmann AR, Shanmugam S, Frank LA, Serafini MR. (-)-linalool-Loaded Polymeric Nanocapsules Are a Potential Candidate to Fibromyalgia Treatment. AAPS PharmSciTech 2020; 21:184. [PMID: 32632735 DOI: 10.1208/s12249-020-01719-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 05/22/2020] [Indexed: 11/30/2022] Open
Abstract
Fibromyalgia (FM) is a chronic disease that has as main characteristic generalized musculoskeletal pain, which can cause physical and emotional problems to patients. However, pharmacological therapies show side effects that hamper the adhesion to treatment. Given this, (-)-linalool (LIN), a monoterpene with several therapeutic properties already reported in scientific literature as anti-depressive, antinociceptive, anti-inflammatory, and antihyperalgesic also demonstrated therapeutic potential in the treatment of FM. Nevertheless, physicochemical limitations as high volatilization and poor water-solubility make its use difficult. In this perspective, this present research had performed the incorporation of LIN into polymeric nanocapsules (LIN-NC). Size, morphology, encapsulation efficiency, cytotoxicity, and drug release were performed. The antihyperalgesic effect of LIN-NC was evaluated by a chronic non-inflammatory muscle pain model. The results demonstrated that the polymeric nanocapsules showed particle size of 199.1 ± 0.7 nm with a PDI measurement of 0.13 ± 0.01. The drug content and encapsulation efficiency were 13.78 ± 0.05 mg/mL and 80.98 ± 0.003%, respectively. The formulation did not show cytotoxicity on J774 macrophages. The oral treatment with LIN-NC and free-LIN increased the mechanical withdrawal threshold on all days of treatment in comparison with the control group. In conclusion, LIN-NC is a promising proposal in the development of phytotherapy-based nanoformulations for future clinical applications.
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Vergallo C. Nutraceutical Vegetable Oil Nanoformulations for Prevention and Management of Diseases. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1232. [PMID: 32599957 PMCID: PMC7353093 DOI: 10.3390/nano10061232] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 06/21/2020] [Accepted: 06/22/2020] [Indexed: 12/11/2022]
Abstract
The scientific community is becoming increasingly interested in identifying, characterizing, and delivering nutraceuticals, which constitutes a multi-billion-dollar business. These bioactive agents are claimed to exhibit several health benefits, including the prevention and treatment of diseases such as arthritis, cancer, osteoporosis, cataracts, Alzheimer's, and Huntington's diseases, heart, brain and metabolic disorders, etc. Nutraceuticals are typically consumed as part of a regular human diet and are usually present within foods, comprising vegetable oil, although at low levels and variable composition. Thus, it is difficult to control the type, amount and frequency of their ingestion by individuals. Nanoformulations about vegetable oil-based bioactive compounds with nutraceutical properties are useful for overcoming these issues, while improving the uptake, absorption, and bioavailability in the body. The purpose of this current study is to review papers on such nanoformulations, particularly those relevant for health benefits and the prevention and management of diseases, as well as bioactives extracted from vegetable oils enhancing the drug effectiveness, retrieved through bibliographic databases by setting a timespan from January 2000 to April 2020 (about 1758 records).
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Affiliation(s)
- Cristian Vergallo
- Department of Biological and Environmental Science and Technology (Di.S.Te.B.A.), University of Salento, 73010 Lecce, Italy
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27
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Xu J, Zhang S, Zhao S, Hu L. Identification and synthesis of an efficient multivalent E. coli heat labile toxin inhibitor __ A dynamic combinatorial chemistry approach. Bioorg Med Chem 2020; 28:115436. [DOI: 10.1016/j.bmc.2020.115436] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 03/01/2020] [Accepted: 03/10/2020] [Indexed: 12/20/2022]
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28
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Zhang W, Liu CP, Chen SQ, Liu MJ, Zhang L, Lin SY, Shu G, Yuan ZX, Lin JC, Peng GN, Zhong ZJ, Yin LZ, Zhao L, Fu HL. Poloxamer modified florfenicol instant microparticles for improved oral bioavailability. Colloids Surf B Biointerfaces 2020; 193:111078. [PMID: 32422561 DOI: 10.1016/j.colsurfb.2020.111078] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Revised: 04/15/2020] [Accepted: 04/21/2020] [Indexed: 12/15/2022]
Abstract
Surfactants can improve the hydrophobicity of poorly water-soluble drugs and increase the stability of microparticles by reducing surface tension. This study describes that surfactant-engineered florfenicol instant microparticles (FIMs) increase bioavailability through a micellar solubilization mechanism. The FIMs were prepared by a modified emulsification method, and the optimal prescription was obtained by a combination of single factor investigation and response surface methodology. The microparticles prepared in this study reduce the polymer materials while increasing the drug content. FIM has a smaller particle size and modification of poloxamer, resulting in better solubility and higher bioavailability. The in vitro solubility of FIM is 1.43 times higher than that of the bulk drug, and the dissolution equilibrium can be achieved in 10 minutes. Compared with florfenicol, FIM showed a decrease in Tmax in the plasma concentration curve, with a peak concentration of 1.43 times and an area of 1.41 times. Considering the advantages of in vitro/in vivo performance and ease of preparation, FIMs may have great application prospects in pharmacy research.
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Affiliation(s)
- Wei Zhang
- Innovative Engineering Research Center of Veterinary Pharmaceutics, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Chun-Ping Liu
- Innovative Engineering Research Center of Veterinary Pharmaceutics, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Shi-Qi Chen
- Innovative Engineering Research Center of Veterinary Pharmaceutics, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Meng-Jiao Liu
- Innovative Engineering Research Center of Veterinary Pharmaceutics, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Li Zhang
- Innovative Engineering Research Center of Veterinary Pharmaceutics, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Shi-Yu Lin
- Innovative Engineering Research Center of Veterinary Pharmaceutics, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Gang Shu
- Innovative Engineering Research Center of Veterinary Pharmaceutics, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Zhi-Xiang Yuan
- Innovative Engineering Research Center of Veterinary Pharmaceutics, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Ju-Chun Lin
- Innovative Engineering Research Center of Veterinary Pharmaceutics, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Guang-Neng Peng
- Innovative Engineering Research Center of Veterinary Pharmaceutics, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Zhi-Jun Zhong
- Innovative Engineering Research Center of Veterinary Pharmaceutics, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Li-Zi Yin
- Innovative Engineering Research Center of Veterinary Pharmaceutics, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Lin Zhao
- Innovative Engineering Research Center of Veterinary Pharmaceutics, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Hua-Lin Fu
- Innovative Engineering Research Center of Veterinary Pharmaceutics, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China.
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Carvacrol loaded nanostructured lipid carriers as a promising parenteral formulation for leishmaniasis treatment. Eur J Pharm Sci 2020; 150:105335. [PMID: 32272211 DOI: 10.1016/j.ejps.2020.105335] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 03/11/2020] [Accepted: 03/30/2020] [Indexed: 01/11/2023]
Abstract
Leishmaniasis are a group of neglected infectious diseases caused by protozoa of the genus Leishmania with distinct presentations. The available leishmaniasis treatment options are either expensive and/or; cause adverse effects and some are ineffective for resistant Leishmania strains. Therefore, molecules derived from natural products as the monoterpene carvacrol, have attracted interest as promising anti-leishmania agents. However, the therapeutic use of carvacrol is limited due to its low aqueous solubility, rapid oxidation and volatilization. Thus, the development of nanostructured lipid carriers (NLCs) was proposed in the present study as a promising nanotechnology strategy to overcome these limitations and enable the use of carvacrol in leishmaniasis therapy. Carvacrol NLCs were obtained using a warm microemulsion method, and evaluated regarding the influence of lipid matrix and components concentration on the NLCs formation. NLCs were characterized by DSC and XRD as well. In addition, to the in vitro carvacrol release from NLCs, the in vitro cytotoxicity and leishmanicidal activity assays, and the in vivo pharmacokinetics evaluation of free and encapsulated carvacrol were performed. NLCs containing carvacrol were obtained successfully using a warm microemulsion dilution method. The NLCs formulation with the lowest particle size (98.42 ± 0.80 nm), narrowest size distribution (suitable for intravenous administration), and the highest encapsulation efficiency was produced by using beeswax as solid lipid (HLB=9) and 5% of lipids and surfactant. The in vitro release of carvacrol from NLCs was fitted to the Korsmeyer and Peppas, and Weibull models, demonstrating that the release mechanism is probably the Fickian diffusion type. Moreover, carvacrol encapsulation in NLCs provided a lower cytotoxicity in comparison to free carvacrol (p<0.05), increasing its in vitro leishmanicidal efficacy in the amastigote form. Finally, the in vivo pharmacokinetics of carvacrol after IV bolus administration suggests that this phenolic monoterpene undergoes enterohepatic circulation and therefore presented a long half-life (t1/2) and low clearance (Cl). In addition, C0, mean residence time (MRT) and Vdss of encapsulated carvacrol were higher than free carvacrol (p < 0.05), favoring a higher distribution of carvacrol in the target tissues. Thus, it is possible to conclude that the developed NLCs are a promising delivery system for leishmaniasis treatment.
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Zielińska A, Ferreira NR, Feliczak-Guzik A, Nowak I, Souto EB. Loading, release profile and accelerated stability assessment of monoterpenes-loaded solid lipid nanoparticles (SLN). Pharm Dev Technol 2020; 25:832-844. [PMID: 32204628 DOI: 10.1080/10837450.2020.1744008] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Glycerol monostearate solid lipid nanoparticles (SLN) were produced by hot high-pressure homogenization technique to load alpha-pinene, citral, geraniol or limonene. SLN were composed of 1 wt.% monoterpene, 4 wt.% of Imwitor® 900K as a solid lipid and 2.5 wt.% of Poloxamer188 as a surfactant. Empty SLN consisted of 5 wt.% of Imwitor® 900K and 2.5 wt.% of Poloxamer188. The mean particles size (Z-Ave) and polydispersity index (PDI) of SLN were analyzed by dynamic light scattering (DLS), while the zeta potential (ZP) of each formulation were measured by electrophoretic light scattering. LUMiSizer® was applied to calculate the velocity distribution in the centrifugal field and instability index. Drug release profile from SLN was analyzed using Franz cell diffusion cells assayed by UV-Vis spectrophotometry, whereas the gas chromatography technique was applied to determine the encapsulation parameters of volatile monoterpenes. The matrix state, polymorphism and phase behavior of SLN were studied by X-ray diffraction (XRD, low and wide angles) and differential scanning calorimetry (DSC). Selected monoterpenes were successfully loaded in glycerol monostearate SLN. A burst release profile within the first 15 min was observed for all formulations, being the modified release profile dependent on the type of monoterpene and on the encapsulation efficiency.
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Affiliation(s)
- Aleksandra Zielińska
- Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal.,Faculty of Chemistry, Adam Mickiewicz University in Poznań, Poznan, Poland
| | - Nuno R Ferreira
- Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
| | | | - Izabela Nowak
- Faculty of Chemistry, Adam Mickiewicz University in Poznań, Poznan, Poland
| | - Eliana B Souto
- Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal.,CEB - Centre of Biological Engineering, University of Minho, Braga, Portugal
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31
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Systematic Analysis of Monoterpenes: Advances and Challenges in the Treatment of Peptic Ulcer Diseases. Biomolecules 2020; 10:biom10020265. [PMID: 32050614 PMCID: PMC7072639 DOI: 10.3390/biom10020265] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 02/03/2020] [Accepted: 02/05/2020] [Indexed: 12/13/2022] Open
Abstract
Peptic ulcer disease (PUD) is a multifactorial and complex disease caused by an imbalance of protective and aggressive factors (endogenous and exogenous). Despite advances in recent years, it is still responsible for substantial mortality and triggering clinical problems. Over the last decades, the understanding of PUD has changed a lot with the discovery of Helicobacter pylori infection. However, this disease continues to be a challenge due to side-effects, incidence of relapse from use of various anti-ulcer medicines, and the rapid appearance of antimicrobial resistance with current H. pylori therapies. Consequently, there is the need to identify more effective and safe anti-ulcer agents. The search for new therapies with natural products is a viable alternative and has been encouraged. The literature reports the importance of monoterpenes based on the extensive pharmacological action of this class, including wound healing and anti-ulcerogenic agents. In the present study, 20 monoterpenes with anti-ulcerogenic properties were evaluated by assessing recent in vitro and in vivo studies. Here, we review the anti-ulcer effects of monoterpenes against ulcerogenic factors such as ethanol, nonsteroidal anti-inflammatory drugs (NSAIDs), and Helicobacter pylori, highlighting challenges in the field.
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32
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Shrimal P, Jadeja G, Patel S. A review on novel methodologies for drug nanoparticle preparation: Microfluidic approach. Chem Eng Res Des 2020. [DOI: 10.1016/j.cherd.2019.11.031] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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33
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Xu J, Zhao S, Zhang S, Pei J, Li Y, Zhang Y, He X, Hu L. Development of a multivalent acetylcholinesterase inhibitor via dynamic combinatorial chemistry. Int J Biol Macromol 2019; 150:1184-1191. [PMID: 31758986 DOI: 10.1016/j.ijbiomac.2019.10.127] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 10/11/2019] [Accepted: 10/14/2019] [Indexed: 01/13/2023]
Abstract
In this study, we report the generation of a polymer based dynamic combinatorial library (DCL) using aldehyde-functionalized linear poly(glycidol) and hydrazide derivatives as initial building blocks. In combination with tetrameric acetylcholinesterase (AChE), a certain type of amplified acylhydrazone side chain is identified and further used for the synthesis of a multivalent AChE inhibitor. The cytotoxicity and inhibition properties of the multivalent inhibitor are evaluated, and the results indicate superior bioactivity compared to the commercial reference Edrophonium chloride.
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Affiliation(s)
- Jintao Xu
- School of Pharmacy, Jiangsu University, Zhenjiang 212013, China
| | - Shuang Zhao
- School of Pharmacy, Jiangsu University, Zhenjiang 212013, China
| | - Shixin Zhang
- School of Pharmacy, Jiangsu University, Zhenjiang 212013, China
| | - Jialu Pei
- School of Pharmacy, Jiangsu University, Zhenjiang 212013, China
| | - Yanhong Li
- School of Pharmacy, Jiangsu University, Zhenjiang 212013, China
| | - Yongxin Zhang
- School of Pharmacy, Jiangsu University, Zhenjiang 212013, China
| | - Xiangyang He
- School of Pharmacy, Jiangsu University, Zhenjiang 212013, China
| | - Lei Hu
- School of Pharmacy, Jiangsu University, Zhenjiang 212013, China.
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34
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Hedayati N, Bemani Naeini M, Mohammadinejad A, Mohajeri SA. Beneficial effects of celery (
Apium graveolens
) on metabolic syndrome: A review of the existing evidences. Phytother Res 2019; 33:3040-3053. [DOI: 10.1002/ptr.6492] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 08/08/2019] [Accepted: 08/10/2019] [Indexed: 12/31/2022]
Affiliation(s)
- Narges Hedayati
- Pharmaceutical Research Center, Pharmaceutical Technology InstituteMashhad University of Medical Sciences Mashhad Iran
- Department of Pharmacodynamics and Toxicology, School of PharmacyMashhad University of Medical Sciences Mashhad Iran
| | - Mehri Bemani Naeini
- Nanotechnology Research CenterMashhad University of Medical Sciences Mashhad Iran
| | - Arash Mohammadinejad
- Pharmaceutical Research Center, Pharmaceutical Technology InstituteMashhad University of Medical Sciences Mashhad Iran
- Department of ChemistryPayame Noor University Tehran Iran
- Department of Pharmacodynamics and Toxicology, School of PharmacyMashhad University of Medical Sciences Mashhad Iran
| | - Seyed Ahmad Mohajeri
- Pharmaceutical Research Center, Pharmaceutical Technology InstituteMashhad University of Medical Sciences Mashhad Iran
- Department of Pharmacodynamics and Toxicology, School of PharmacyMashhad University of Medical Sciences Mashhad Iran
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35
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Abstract
Immobilization techniques are generally based on reusing enzymes in industrial applications to reduce costs and improve enzyme properties. These techniques have been developing for decades, and many methods for immobilizing enzymes have been designed. To find a better immobilization method, it is necessary to review the recently developed methods and have a clear overview of the advantages and limitations of each method. This review introduces the recently reported immobilization methods and discusses the improvements in enzyme properties by different methods. Among the techniques to improve enzyme properties, metal–organic frameworks, which have diverse structures, abundant organic ligands and metal nodes, offer a promising platform.
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36
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Zielińska A, Ferreira NR, Durazzo A, Lucarini M, Cicero N, Mamouni SE, Silva AM, Nowak I, Santini A, Souto EB. Development and Optimization of Alpha-Pinene-Loaded Solid Lipid Nanoparticles (SLN) Using Experimental Factorial Design and Dispersion Analysis. Molecules 2019; 24:E2683. [PMID: 31344802 PMCID: PMC6696006 DOI: 10.3390/molecules24152683] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 07/16/2019] [Accepted: 07/23/2019] [Indexed: 11/20/2022] Open
Abstract
The encapsulation of bicyclic monoterpene α-pinene into solid lipid nanoparticles (SLN) is reported using experimental factorial design, followed by high-end dispersion analyzer LUMiSizer®. This equipment allows the characterization of the α-pinene-loaded SLN instability phenomena (e.g., sedimentation, flotation or coagulation), as well as the determination of the velocity distribution in the centrifugal field and the particle size distribution. In this work, SLN were produced by hot high-pressure homogenization technique. The influence of the independent variables, surfactant and lipid ratio on the physicochemical properties of SLN, such as mean particle size (Z-Ave), polydispersity index (PDI) and zeta potential (ZP), was estimated using a 22-factorial design. The Z-Ave and PDI were analyzed by dynamic light scattering, while ZP measurements were recorded by electrophoretic light scattering. Based on the obtained results, the optimal SLN dispersion was composed of 1 wt.% of α-pinene, 4 wt.% of solid lipid (Imwitor® 900 K) and 2.5 wt.% of surfactant (Poloxamer 188), depicting 136.7 nm of Z-Ave, 0.170 of PDI and 0 mV of ZP. Furthermore, LUMISizer® has been successfully used in the stability analysis of α-pinene-loaded SLN.
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Affiliation(s)
- Aleksandra Zielińska
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra (FFUC), Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
- Faculty of Chemistry, Adam Mickiewicz University in Poznań, 61-712 Poznań, Poland
| | - Nuno R Ferreira
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra (FFUC), Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - Alessandra Durazzo
- CREA-Research Centre for Food and Nutrition, Via Ardeatina 546, 00178 Rome, Italy
| | - Massimo Lucarini
- CREA-Research Centre for Food and Nutrition, Via Ardeatina 546, 00178 Rome, Italy
| | - Nicola Cicero
- Dipartimento di Scienze biomediche, odontoiatriche e delle immagini morfologiche e funzionali, Università degli Studi di Messina, Polo Universitario Annunziata, 98168 Messina, Italy
| | - Soukaina El Mamouni
- Department of Pharmacy, University of Napoli Federico II, 80138 Napoli NA, Italy
| | - Amélia M Silva
- Department of Biology and Environment, University of Trás-os-Montes e Alto Douro (UTAD), Quinta de Prados, P-5001-801 Vila Real, Portugal
- Centre for Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes e Alto Douro (UTAD), P-5001-801 Vila Real, Portugal
| | - Izabela Nowak
- Faculty of Chemistry, Adam Mickiewicz University in Poznań, 61-712 Poznań, Poland
| | - Antonello Santini
- Department of Pharmacy, University of Napoli Federico II, 80138 Napoli NA, Italy.
| | - Eliana B Souto
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra (FFUC), Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal.
- CEB - Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal.
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Zhang K, Wang Q, Yang Q, Wei Q, Man N, Adu-Frimpong M, Toreniyazov E, Ji H, Yu J, Xu X. Enhancement of Oral Bioavailability and Anti-hyperuricemic Activity of Isoliquiritigenin via Self-Microemulsifying Drug Delivery System. AAPS PharmSciTech 2019; 20:218. [PMID: 31187334 DOI: 10.1208/s12249-019-1421-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Accepted: 05/15/2019] [Indexed: 12/14/2022] Open
Abstract
The aim of this study was to develop a self-microemulsifying drug delivery system (SMEDDS) for enhancement of the oral bioavailability of isoliquiritigenin (ISL) as well as evaluate its in vivo anti-hyperuricemic effect in rats. The ISL-loaded self-microemulsifying drug delivery system (ISL-SMEDDS) was comprised of ethyl oleate (EO, oil phase), Tween 80 (surfactant), and PEG 400 (co-surfactant). The ISL-SMEDDS exhibited an acceptable narrow size distribution (44.78 ± 0.35 nm), negative zeta potential (- 10.67 ± 0.86 mV), and high encapsulation efficiency (98.17 ± 0.24%). The in vitro release study indicated that the release rates of the formulation were obviously higher in different release media (HCl, pH 1.2; PBS, pH 6.8; double-distilled water, pH 7.0) compared with the ISL solution. The oral bioavailability of the ISL-SMEDDS was enhanced by 4.71 times in comparison with the free ISL solution. More importantly, ISL-SMEDDS significantly reduced uric acid level by inhibiting xanthine oxidase (XOD) activity in the model rats. Collectively, the prepared ISL-SMEDDS proved to be potential carriers for enhancing the solubility and oral bioavailability of ISL, as well as ameliorating its anti-hyperuricemic effect.
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Wei C, Wang Q, Weng W, Wei Q, Xie Y, Adu-Frimpong M, Toreniyazov E, Ji H, Xu X, Yu J. The characterisation, pharmacokinetic and tissue distribution studies of TPGS modified myricetrin mixed micelles in rats. J Microencapsul 2019; 36:278-290. [DOI: 10.1080/02652048.2019.1622606] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Chunmei Wei
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Qilong Wang
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Wen Weng
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Qiuyu Wei
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Yujiao Xie
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Michael Adu-Frimpong
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Elmurat Toreniyazov
- Jiangsu Provincial Research Center for Medicinal Function Development of New Food Resources, Zhenjiang, P.R. China
- Department of Plant Protection Breeding and Seed Science, Tashkent State Agricultural University (Nukus branch), Nukus, The Republic of Uzbekistan
| | - Hao Ji
- Jiangsu Provincial Research Center for Medicinal Function Development of New Food Resources, Zhenjiang, P.R. China
- Jiangsu Tian Sheng Pharmaceutical Co., Ltd, Zhenjiang, People’s Republic of China
| | - Ximing Xu
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
- Jiangsu Provincial Research Center for Medicinal Function Development of New Food Resources, Zhenjiang, P.R. China
| | - Jiangnan Yu
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
- Jiangsu Provincial Research Center for Medicinal Function Development of New Food Resources, Zhenjiang, P.R. China
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Yang Q, Wang Q, Feng Y, Wei Q, Sun C, Firempong CK, Adu-Frimpong M, Li R, Bao R, Toreniyazov E, Ji H, Yu J, Xu X. Anti-hyperuricemic property of 6-shogaol via self-micro emulsifying drug delivery system in model rats: formulation design, in vitro and in vivo evaluation. Drug Dev Ind Pharm 2019; 45:1265-1276. [DOI: 10.1080/03639045.2019.1594885] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Qiuxuan Yang
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Qilong Wang
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Yingshu Feng
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Qiuyu Wei
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Congyong Sun
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Caleb Kesse Firempong
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
- Department of Biochemistry and Biotechnology, College of Science, KwameNkrumah University of Science and Technology, Kumasi, Ghana
| | - Michael Adu-Frimpong
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Ran Li
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Rui Bao
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Elmurat Toreniyazov
- Ashkent State Agricultural University (Nukus branch), Avdanberdi str., Nukus, Karakalpakstan
| | - Hao Ji
- Jiangsu Tian Sheng Pharmaceutical Co., Ltd, Zhenjiang, China
| | - Jiangnan Yu
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Ximing Xu
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
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40
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Oner Z, Altınoz E, Elbe H, Ekinci N. The protective and therapeutic effects of linalool against doxorubicin-induced cardiotoxicity in Wistar albino rats. Hum Exp Toxicol 2019; 38:803-813. [DOI: 10.1177/0960327119842634] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The aim of the present study was to determine the protective and therapeutic effects of linalool (LIN) against doxorubicin (DOX)-induced cardiotoxicity in rats histologically and biochemically. In experiments, 64 male Wistar albino rats were randomly divided into eight groups ( n = 8). These groups were control (C) (0.9% saline solution), DOX (20 mg/kg DOX), LIN50 (50 mg/kg LIN), LIN100 (100 mg/kg LIN), DOX + LIN50 (20 mg/kg DOX and 50 mg/kg LIN), DOX + LIN100 (20 mg/kg DOX and 100 mg/kg LIN), LIN50 + DOX (50 mg/kg LIN and 20 mg/kg DOX), and LIN100 + DOX (100 mg/kg LIN and 20 mg/kg DOX). It was determined that necrosis and extensive inflammatory cell infiltration were observed in the DOX group. It was determined that histopathological changes significantly decreased in groups treated with LIN after DOX administration. While the caspase-3 immunostaining was highly evident in DOX group apoptotic cells ( p < 0.001, for all), the intensity of caspase-3 immunostaining in the treatment groups decreased ( p < 0.05). While DOX administration resulted in a significant increase in malondialdehyde (MDA) levels and plasma Creatine kinase (CK) and lactate dehydrogenase (LDH) levels in cardiac tissue when compared to the C groups, it was observed that DOX + LIN administration led to a significant decrease in MDA, plasma CK and LDH levels and a significant increase in glutathione (GSH), superoxide dismutase, and catalase enzyme levels. Finally, it was concluded that DOX led to heavy cardiotoxicity and DOX + LIN administration could remove cardiomyopathy symptoms.
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Affiliation(s)
- Z Oner
- Department of Anatomy, Faculty of Medicine, Karabük University, Karabük, Turkey
| | - E Altınoz
- Department of Medical Biochemistry, Faculty of Medicine, Karabük University, Karabük, Turkey
| | - H Elbe
- Department of Histology and Embryology, Faculty of Medicine, Muğla Sıtkı Koçman University, Muğla, Turkey
| | - N Ekinci
- Department of Anatomy, Faculty of Medicine, Erciyes University, Kayseri, Turkey
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41
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Liu J, Wang Q, Adu-Frimpong M, Wei Q, Xie Y, Zhang K, Wei C, Weng W, Ji H, Toreniyazov E, Xu X, Yu J. Preparation, in vitro and in vivo evaluation of isoliquiritigenin-loaded TPGS modified proliposomes. Int J Pharm 2019; 563:53-62. [PMID: 30890449 DOI: 10.1016/j.ijpharm.2019.03.034] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2018] [Revised: 03/07/2019] [Accepted: 03/16/2019] [Indexed: 12/26/2022]
Abstract
Isoliquiritigenin (ISL) has a great variety of pharmacological effects especially liver cancer therapy, but its poor solubility, bioavailability and liver targeting have limited its clinical use. In order to solve the aforementioned shortcomings, the TPGS-modified proliposomes loaded with ISL (ISL-TPGS-PLP) was prepared in this study. ISL-TPGS-PLP was fabricated via thin-film dispersion method and was characterized by the appearance, particle size, zeta potential and morphology. HPLC was used to evaluate entrapment efficiency (EE), in vitro release and stability of ISL-TPGS-PLP single or combined while appropriate physicochemical parameters were measured with DLS. Meanwhile, the pharmacokinetics and tissue distribution were also studied after oral administration. The results demonstrated that ISL-TPGS-PLP had a mean size of 23.8 ± 0.9 nm, high EE of 97.33 ± 0.40%. More importantly, nearly 90% ISL was released from ISL-TPGS-PLP within 24 h while only 50% was released from ISL suspension. In the pharmacokinetics study, the area under the curve (AUC0-24h) of ISL-TPGS-PLP was 1.53 times higher than that of ISL suspension. The Tissue distribution study showed that the ISL released from ISL-TPGS-PLP was higher in the liver than the free ISL suspension. Altogether, ISL-TPGS-PLP could ameliorate the ISL solubility, bioavailability and liver targeting ability, suggesting that ISL-TPGS-PLP could serve as a promising nanocarrier for liver cancer therapy.
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Affiliation(s)
- Jian Liu
- Department of Pharmaceutics, School of Pharmacy, Key Laboratory of Drug Delivery & Tissue Regeneration and Jiangsu Provincial, Jiangsu University, Zhenjiang 212013, PR China
| | - Qilong Wang
- Department of Pharmaceutics, School of Pharmacy, Key Laboratory of Drug Delivery & Tissue Regeneration and Jiangsu Provincial, Jiangsu University, Zhenjiang 212013, PR China
| | - Michael Adu-Frimpong
- Department of Pharmaceutics, School of Pharmacy, Key Laboratory of Drug Delivery & Tissue Regeneration and Jiangsu Provincial, Jiangsu University, Zhenjiang 212013, PR China
| | - Qiuyu Wei
- Department of Pharmaceutics, School of Pharmacy, Key Laboratory of Drug Delivery & Tissue Regeneration and Jiangsu Provincial, Jiangsu University, Zhenjiang 212013, PR China
| | - Yujiao Xie
- Department of Pharmaceutics, School of Pharmacy, Key Laboratory of Drug Delivery & Tissue Regeneration and Jiangsu Provincial, Jiangsu University, Zhenjiang 212013, PR China
| | - Kangyi Zhang
- Department of Pharmaceutics, School of Pharmacy, Key Laboratory of Drug Delivery & Tissue Regeneration and Jiangsu Provincial, Jiangsu University, Zhenjiang 212013, PR China
| | - Chunmei Wei
- Department of Pharmaceutics, School of Pharmacy, Key Laboratory of Drug Delivery & Tissue Regeneration and Jiangsu Provincial, Jiangsu University, Zhenjiang 212013, PR China
| | - Wen Weng
- Department of Pharmaceutics, School of Pharmacy, Key Laboratory of Drug Delivery & Tissue Regeneration and Jiangsu Provincial, Jiangsu University, Zhenjiang 212013, PR China
| | - Hao Ji
- Research Center for Medicinal Function Development of New Food Resources, Zhenjiang 212001, PR China; Jiangsu Tian Sheng Pharmaceutical Co., Ltd., No. 10 Baohua Development Zone, Jurong, Zhenjiang, Jiangsu, PR China
| | - Elmurat Toreniyazov
- Research Center for Medicinal Function Development of New Food Resources, Zhenjiang 212001, PR China; Ashkent State Agricultural University (Nukus Branch), Avdanberdi str., Nukus 742009, Karakalpakstan, Uzbekistan
| | - Ximing Xu
- Department of Pharmaceutics, School of Pharmacy, Key Laboratory of Drug Delivery & Tissue Regeneration and Jiangsu Provincial, Jiangsu University, Zhenjiang 212013, PR China; Research Center for Medicinal Function Development of New Food Resources, Zhenjiang 212001, PR China.
| | - Jiangnan Yu
- Department of Pharmaceutics, School of Pharmacy, Key Laboratory of Drug Delivery & Tissue Regeneration and Jiangsu Provincial, Jiangsu University, Zhenjiang 212013, PR China; Research Center for Medicinal Function Development of New Food Resources, Zhenjiang 212001, PR China.
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42
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Feng C, Zhang H, Chen J, Wang S, Xin Y, Qu Y, Zhang Q, Ji W, Yamashita F, Rui M, Xu X. Ratiometric co-encapsulation and co-delivery of doxorubicin and paclitaxel by tumor-targeted lipodisks for combination therapy of breast cancer. Int J Pharm 2019; 560:191-204. [PMID: 30769131 DOI: 10.1016/j.ijpharm.2019.02.009] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 01/31/2019] [Accepted: 02/04/2019] [Indexed: 12/13/2022]
Abstract
Combination therapy is a promising treatment for certain advanced drug-resistant cancers. Although effective inhibition of various tumor cells was reported in vitro, combination treatment requires improvement in vivo due to uncontrolled ratiometric delivery. In this study, a tumor-targeting lipodisk nanoparticle formulation was developed for ratiometric loading and the transportation of two hydrophobic model drugs, doxorubicin (DOX) and paclitaxel (PTX), in one single platform. Furthermore, a slightly acidic pH-sensitive peptide (SAPSP) incorporated into lipodisks effectively enhanced the tumor-targeting and cell internalization. The obtained co-loaded lipodisks were approximately 30 nm with a pH-sensitive property. The ratiometric co-delivery of two drugs via lipodisks was confirmed in both the drug-resistant MCF-7/ADR cell line and its parental MCF-7 cell line in vitro, as well as in a tumor-bearing mouse model in vivo compared with a cocktail solution of free drugs. Co-loaded lipodisks exerted improved cytotoxicity to tumor cells in culture, particularly to drug-resistant tumor cells at synergistic drug ratios. In an in vivo xenograft mouse model, the anti-tumor ability of co-loaded lipodisks was evidenced by the remarkable inhibitory effect on tumor growth of either MCF-7 or MCF-7/ADR tumors, which may be attributed to the increased and ratiometric accumulation of both drugs in the tumor tissues. Therefore, tumor-specific lipodisks were crucial for the combination treatment of DOX and PTX to completely exert a synergistic anti-cancer effect. It is concluded that for co-loaded lipodisks, cytotoxicity data in vitro could be used to predict their inhibitory activity in vivo, potentially enhancing the clinical outcome of synergistic therapy.
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Affiliation(s)
- Chunlai Feng
- Department of Pharmaceutics, School of Pharmacy, Jiangsu University, Zhenjiang 212013, PR China
| | - Haisheng Zhang
- Department of Pharmaceutics, School of Pharmacy, Jiangsu University, Zhenjiang 212013, PR China
| | - Jiaming Chen
- Department of Pharmaceutics, School of Pharmacy, Jiangsu University, Zhenjiang 212013, PR China
| | - Siqi Wang
- Department of Pharmaceutics, School of Pharmacy, Jiangsu University, Zhenjiang 212013, PR China
| | - Yuanrong Xin
- Department of Pharmaceutics, School of Pharmacy, Jiangsu University, Zhenjiang 212013, PR China
| | - Yang Qu
- Department of Pharmaceutics, School of Pharmacy, Jiangsu University, Zhenjiang 212013, PR China
| | - Qi Zhang
- Department of Pharmaceutics, School of Pharmacy, Jiangsu University, Zhenjiang 212013, PR China
| | - Wei Ji
- Department of Pharmaceutics, School of Pharmacy, Jiangsu University, Zhenjiang 212013, PR China
| | - Fumiyoshi Yamashita
- Department of Drug Delivery Research, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida-shimoadachi cho, Sakyo-ku, Kyoto 606-8501, Japan
| | - Mengjie Rui
- Department of Pharmaceutics, School of Pharmacy, Jiangsu University, Zhenjiang 212013, PR China.
| | - Ximing Xu
- Department of Pharmaceutics, School of Pharmacy, Jiangsu University, Zhenjiang 212013, PR China.
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43
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Specific Immobilization of Escherichia coli Expressing Recombinant Glycerol Dehydrogenase on Mannose-Functionalized Magnetic Nanoparticles. Catalysts 2018. [DOI: 10.3390/catal9010007] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Mannose-functionalized magnetic nanoparticles were prepared for the immobilization of Escherichia coli cells harboring the recombinant glycerol dehydrogenase gene. Immobilization of whole E. coli cells on the carrier was carried out through specific binding between mannose on the nanoparticles and the FimH lectin on the E. coli cell surface via hydrogen bonds and hydrophobic interactions. The effects of various factors including cell concentration, pH, temperature, and buffer concentration were investigated. High degrees of immobilization (84%) and recovery of activity (82%) were obtained under the following conditions: cell/support 1.3 mg/mL, immobilization time 2 h, pH 8.0, temperature 4°C, and buffer concentration 50 mM. Compared with the free cells, the thermostability of the immobilized cells was improved 2.56-fold at 37 °C. More than 50% of the initial activity of the immobilized cells remained after 10 cycles. The immobilized cells were evaluated functionally by monitoring the catalytic conversion of glycerol to 1,3-dihydroxyacetone (DHA). After a 12 h reaction, the DHA produced by the immobilized cells was two-fold higher than that produced by the free cells. These results indicate that mannose-functionalized magnetic nanoparticles can be used for the specific recognition of gram-negative bacteria, which gives them great potential in applications such as the preparation of biocatalysts and biosensors and clinical diagnosis.
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Wei Q, Yang Q, Wang Q, Sun C, Zhu Y, Niu Y, Yu J, Xu X. Formulation, Characterization, and Pharmacokinetic Studies of 6-Gingerol-Loaded Nanostructured Lipid Carriers. AAPS PharmSciTech 2018; 19:3661-3669. [PMID: 30324361 DOI: 10.1208/s12249-018-1165-2] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 08/26/2018] [Indexed: 01/19/2023] Open
Abstract
In this study, an optimized nanostructured lipid carriers (NLCs) were developed and investigated for improving the solubility and oral availability of 6-Gingerol (6G), an active and abundant component of ginger with limited applications due to its poor water solubility plus oral biological availability. The NLCs consisted of a solid lipid (glyceryl monostearate), another liquid lipid (decanoyl/octanoyl-glycerides) and mixed surfactants (Tween 80 and Poloxamer 188), and was prepared by high pressure homogenization method. The optimal 6G-NLC formulation was evaluated through physical properties such as appearance, mean particle size, zeta potential, encapsulation efficiency, and in vitro drug release, alongside techniques viz., transmission electron microscopy (TEM), differential scanning calorimetry (DSC), as well as powder X-ray diffraction (XRD). Pharmacokinetics were also evaluated in rats. The 6G-NLCs prepared with optimal formulation exhibited a homogenous spherical shape with mean particle size and zeta potential of 63.59 ± 5.54 nm and - 12.18 ± 1.06 mV. Encapsulation efficiency and drug loading were 76.71 ± 1.11 and 1.17 ± 0.35%, respectively. In vitro release profile of 6G from NLCs was sustained and fitted with Weibull equation. After oral administration of the 6G-NLCs, drug concentrations in serum, MRT, and AUC0-t were significantly higher as compared with the free 6G suspension. All these results indicated that the developed NLC formulation could be effective and promising drug carriers to improve the water solubility of 6G while sustaining the drug release as well as prolonging in vivo acting time of the drug coupled with oral bioavailability enhancement.
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45
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Abstract
Enzymes are efficient biocatalysts providing an important tool in many industrial biocatalytic processes. Currently, the immobilized enzymes prepared by the cross-linked enzyme aggregates (CLEAs) have drawn much attention due to their simple preparation and high catalytic efficiency. Combined cross-linked enzyme aggregates (combi-CLEAs) including multiple enzymes have significant advantages for practical applications. In this review, the conditions or factors for the preparation of combi-CLEAs such as the proportion of enzymes, the type of cross-linker, and coupling temperature were discussed based on the reaction mechanism. The recent applications of combi-CLEAs were also reviewed.
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46
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Pereira I, Zielińska A, Ferreira NR, Silva AM, Souto EB. Optimization of linalool-loaded solid lipid nanoparticles using experimental factorial design and long-term stability studies with a new centrifugal sedimentation method. Int J Pharm 2018; 549:261-270. [PMID: 30075252 DOI: 10.1016/j.ijpharm.2018.07.068] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 07/26/2018] [Accepted: 07/30/2018] [Indexed: 12/15/2022]
Abstract
Linalool (C10H18O), also known as 3, 7-dimethyl-1, 6-octadien-3-ol, is the most common acyclic monoterpene tertiary alcohol present in essential oils of several aromatic plant species. Previous studies indicate that linalool is a valuable compound with a wide range of therapeutic properties. The promising therapeutic effects of linalool are however limited by its poor water solubility and volatility. Recently, the encapsulation of linalool in drug delivery systems, such as solid lipid nanoparticles (SLN) and nanostructured lipid carriers (NLC) has demonstrated to overcome linalool physicochemical limitations. The present study aimed the production and optimization of linalool encapsulation in SLN applying the experimental full factorial design. The estimation of the long-term stability of the produced linalool-loaded SLN was carried out using a new centrifugal sedimentation method, LUMiSizer®. SLN dispersions were produced by the hot high pressure homogenization (HPH) method. The influence of the independent variables, surfactant and lipid concentrations on linalool-loaded SLN particle size, polydispersity index (PI) and zeta potential (ZP) was evaluated by a 22 factorial design composed of 2 variables which were set at 2-levels each. For each of the three dependent variables, analysis of the variance (ANOVA) was performed using a 95% confidence interval. The concentration of surfactant, as well as, the interaction between the different concentrations of lipid and surfactant, hada statistically significant effect on the particle size and PI. Experimental factorial design has been successfully employed to develop an optimal SLN dispersion, requiring a minimum of performed experiments. Based on the obtained results, the optimal linalool-loaded SLN dispersion was composed of 1% (w/v) linalool 2% (w/v) of solid lipid and 5% (w/v) of surfactant. Furthermore, the stability analysis revealed that the produced linalool-loaded SLN dispersions have limited storage stability which can be easily overcome through the assembly of a polymeric coating on the SLN surface. LUMiSizer® has been successfully used in the kinetic analysis of linalool-SLN during accelerated storage time.
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Affiliation(s)
- Irina Pereira
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Portugal; Department of Biology and Environment, School of Life and Environmental Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Aleksandra Zielińska
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Portugal; Faculty of Chemistry, Adam Mickiewicz University in Poznań, Poznań, Poland
| | - Nuno R Ferreira
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Portugal; CQ Pharma, (FFUC), Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - Amélia M Silva
- Department of Biology and Environment, School of Life and Environmental Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal; Centre for the Research and Technology of Agro-Environmental and Biological Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Eliana B Souto
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Portugal; REQUIMTE/LAQV, Group of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Portugal.
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47
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Galangin-loaded, liver targeting liposomes: Optimization and hepatoprotective efficacy. J Drug Deliv Sci Technol 2018. [DOI: 10.1016/j.jddst.2018.05.034] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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48
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Mediterranean essential oils as precious matrix components and active ingredients of lipid nanoparticles. Int J Pharm 2018; 548:217-226. [PMID: 29966744 DOI: 10.1016/j.ijpharm.2018.06.064] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 06/28/2018] [Accepted: 06/28/2018] [Indexed: 12/17/2022]
Abstract
Essential oils are recognized as valuable active pharmaceutical ingredients attributed to a set of biological properties, which include antibacterial, antifungal, antiviral, antioxidant, anticancer, immune-modulatory, analgesic and anti-inflammatory activities. Their use in pharmaceutics is however compromised by their limited water solubility and low physicochemical stability (i.e. volatility, oxidation). In order to overcome these limitations, we aimed to develop nanostructured lipid carriers (NLC) as delivery systems for Mediterranean essential oils, in particular Rosmarinus officinalis L., Lavandula x intermedia "Sumian", Origanum vulgare subsp. hirtum and Thymus capitatus essential oils, selected on the basis of their antioxidant and anti-inflammatory activities. NLC composed of Softisan (as solid lipid) have been produced by phase inversion temperature (PIT) and high-pressure homogenization (HPH), using two different emulsifiers systems. Particles have been further characterized for their mean particle size, polydispersity, zeta potential, morphology and chemical interactions. Best NLC formulations were obtained with Kolliphor/Labrafil as surfactants, and using Rosmarinus, Lavandula and Origanum as essential oils (PDI between 0.126 and 0.141, Zave < 200 nm). Accelerated stability studies have also been carried out to estimate the effect of the production method and surfactant composition on the long-term stability of EOs-loaded NLC. In vitro biological cell viability and anti-inflammatory activities were evaluated in Raw 264.7 cells (macrophage cell line), while in vitro antioxidant activity was checked by DPPH assay. Lavandula and Rosmarinus NLC were shown to be the most biocompatible formulations up to a concentration of 0.1% (v/v), whereas they were able to induce a dose-dependent anti-inflammatory activity in the order Lavandula > Rosmarinus ≥ Origanum.
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Sabogal-Guáqueta AM, Posada-Duque R, Cortes NC, Arias-Londoño JD, Cardona-Gómez GP. Changes in the hippocampal and peripheral phospholipid profiles are associated with neurodegeneration hallmarks in a long-term global cerebral ischemia model: Attenuation by Linalool. Neuropharmacology 2018; 135:555-571. [PMID: 29680773 DOI: 10.1016/j.neuropharm.2018.04.015] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 04/16/2018] [Accepted: 04/17/2018] [Indexed: 12/22/2022]
Abstract
Phospholipid alterations in the brain are associated with progressive neurodegeneration and cognitive impairment after acute and chronic injuries. Various types of treatments have been evaluated for their abilities to block the progression of the impairment, but effective treatments targeting long-term post-stroke alterations are not available. In this study, we analyzed changes in the central and peripheral phospholipid profiles in ischemic rats and determined whether a protective monoterpene, Linalool, could modify them. We used an in vitro model of glutamate (125 μM) excitotoxicity and an in vivo global ischemia model in Wistar rats. Linalool (0.1 μM) protected neurons and astrocytes by reducing LDH release and restoring ATP levels. Linalool was administered orally at a dose of 25 mg/kg every 24 h for a month, behavioral tests were performed, and a lipidomic analysis was conducted using mass spectrometry. Animals treated with Linalool displayed faster neurological recovery than untreated ischemic animals, accompanied by better motor and cognitive performances. These results were confirmed by the significant reduction in astrogliosis, microgliosis and COX-2 marker, involving a decrease of 24:0 free fatty acid in the hippocampus. The altered profiles of phospholipids composed of mono and polyunsaturated fatty acids (PC 36:1; 42:1 (24:0/18:1)/LPC 22:6)/LPE 22:6) in the ischemic hippocampus and the upregulation of PI 36:2 and other LCFA (long chain fatty acids) in the serum of ischemic rats were prevented by the monoterpene. Based on these data, alterations in the central and peripheral phospholipid profiles after long-term was attenuated by oral Linalool, promoting a phospholipid homeostasis, related to the recovery of brain function.
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Affiliation(s)
- Angélica Maria Sabogal-Guáqueta
- Neuroscience Group of Antioquia, Cellular and Molecular Neurobiology Area - School of Medicine, SIU, University of Antioquia, Calle 70 # 52-21, Medellín, Colombia
| | - Rafael Posada-Duque
- Neuroscience Group of Antioquia, Cellular and Molecular Neurobiology Area - School of Medicine, SIU, University of Antioquia, Calle 70 # 52-21, Medellín, Colombia; Institute of Biology, Faculty of Exact and Natural Sciences, University of Antioquia, Medellín, Colombia
| | - Natalie Charlotte Cortes
- Grupo de Investigación en Sustancias Bioactivas, Facultad de Ciencias Farmacéuticas y Alimentarias, Universidad de Antioquía, Medellín, Colombia
| | | | - Gloria Patricia Cardona-Gómez
- Neuroscience Group of Antioquia, Cellular and Molecular Neurobiology Area - School of Medicine, SIU, University of Antioquia, Calle 70 # 52-21, Medellín, Colombia.
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50
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Liang Y, Tian B, Zhang J, Li K, Wang L, Han J, Wu Z. Tumor-targeted polymeric nanostructured lipid carriers with precise ratiometric control over dual-drug loading for combination therapy in non-small-cell lung cancer. Int J Nanomedicine 2017; 12:1699-1715. [PMID: 28280336 PMCID: PMC5340246 DOI: 10.2147/ijn.s121262] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Gemcitabine (GEM) and paclitaxel (PTX) are effective combination anticancer agents against non-small-cell lung cancer (NSCLC). At the present time, a main challenge of combination treatment is the precision of control that will maximize the combined effects. Here, we report a novel method to load GEM (hydrophilic) and PTX (hydrophobic) into simplex tumor-targeted nanostructured lipid carriers (NLCs) for accurate control of the ratio of the two drugs. We covalently preconjugated the dual drugs through a hydrolyzable ester linker to form drug conjugates. N-acetyl-d-glucosamine (NAG) is a glucose receptor-targeting ligand. We added NAG to the formation of NAG-NLCs. In general, synthesis of poly(6-O-methacryloyl-d-galactopyranose)–GEM/PTX (PMAGP-GEM/PTX) conjugates was demonstrated, and NAG-NLCs were prepared using emulsification and solvent evaporation. NAG-NLCs displayed sphericity with an average diameter of 120.3±1.3 nm, a low polydispersity index of 0.233±0.04, and accurate ratiometric control over the two drugs. A cytotoxicity assay showed that the NAG-NLCs had better antitumor activity on NSCLC cells than normal cells. There was an optimal ratio of the two drugs, exhibiting the best cytotoxicity and combinatorial effects among all the formulations we tested. In comparison with both the free-drug combinations and separately nanopackaged drug conjugates, PMAGP-GEM/PTX NAG-NLCs (3:1) exhibited superior synergism. Flow cytometry and confocal laser scanning microscopy showed that NAG-NLCs exhibited higher uptake efficiency in A549 cells via glucose receptor-mediated endocytosis. This combinatorial delivery system settles problems with ratiometric coloading of hydrophilic and hydrophobic drugs for tumor-targeted combination therapy to achieve maximal anticancer efficacy in NSCLC.
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Affiliation(s)
- Yan Liang
- School of Pharmacy, Binzhou Medical University
| | | | - Jing Zhang
- School of Pharmacy, Binzhou Medical University
| | - Keke Li
- School of Pharmacy, Binzhou Medical University
| | - Lele Wang
- School of Pharmacy, Binzhou Medical University
| | | | - Zimei Wu
- School of Pharmacy, Yantai University, Yantai, China
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