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Coals PGR, Williams VL, Benítez G, Chassagne F, Leonti M. Ethnopharmacology, ethnomedicine, and wildlife conservation. JOURNAL OF ETHNOPHARMACOLOGY 2024; 333:118399. [PMID: 38824978 DOI: 10.1016/j.jep.2024.118399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 04/16/2024] [Accepted: 05/26/2024] [Indexed: 06/04/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE There are longstanding traditions of animal-derived products being employed as medicines, and they continue to be important in many traditional cultural healthcare practices. However, the populations of numerous so-used animals are known to be threatened with extirpation by such practices. Ethnopharmacological studies documenting these animal-derived drugs are not only interesting from an anthropological standpoint, but they are also relevant from a wildlife conservation perspective - especially since ethnopharmacologists are intermediaries between indigenous and scientific communities, placing them at the forefront of being able to ethically access information to address these issues. METHODS Using the example of documenting culturally acceptable substitute materials for animal products (which ultimately also extends to flora), we explore the intersection of ethnopharmacology, biocultural resources, and wildlife conservation. RESULTS Pharmacological efficacy and symbolism are factors influencing the utilization of traditional medicines. Achieving the integration of conservation aims with ethnopharmacology requires a nuanced understanding of both factors, along with fair adjudication when conservation and cultural aims diverge. Ethnopharmacology is suitably placed for making conservation-orientated recommendations - including investigating more sustainable substitutes for animal products in the context of medical efficacy, and for engaging ethically with local communities to facilitate information generation aimed at protecting the environment and their traditions. CONCLUSION We suggest an integrative approach to ethnopharmacological studies investigating medicinal bioresource use. This approach is considerate of species' conservation profiles, the substitutability and pharmacological efficacy of biocultural resources, indigenous and cultural rights, and a collaborative ethos for stakeholder engagement.
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Affiliation(s)
- Peter G R Coals
- School of Animal, Plant & Environmental Sciences, University of the Witwatersrand, Johannesburg, 2000, South Africa
| | - Vivienne L Williams
- School of Animal, Plant & Environmental Sciences, University of the Witwatersrand, Johannesburg, 2000, South Africa
| | - Guillermo Benítez
- Department of Botany, Faculty of Pharmacy, University of Granada, Campus de Cartuja s/n, 18071, Granada, Spain
| | - François Chassagne
- UMR152 PharmaDev, Institut de Recherche pour le Développement (IRD), Université Paul Sabatier, Toulouse, France
| | - Marco Leonti
- Department of Biomedical Sciences, University of Cagliari, Cittadella Universitaria, 09042, Monserrato, CA, Italy.
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Kim K, Kim CE, Baek DJ, Park EY, Oh YS. Prevention of UVB-Induced Photoaging by an Ethyl Acetate Fraction from Allomyrina dichotoma Larvae and Its Potential Mechanisms in Human Dermal Fibroblasts. Int J Mol Sci 2024; 25:7850. [PMID: 39063091 PMCID: PMC11277254 DOI: 10.3390/ijms25147850] [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: 06/14/2024] [Revised: 07/13/2024] [Accepted: 07/16/2024] [Indexed: 07/28/2024] Open
Abstract
Allomyrina dichotoma larvae (ADL) is an insect type that is used ethnopharmacologically to treat various diseases; however, its use as an antiaging treatment has not been widely studied. Previously, we found that an ethyl acetate (EA) fraction derived from an ADL extract (ADLE) has a high polyphenol content and antioxidant properties. In this study, we identified the underlying molecular mechanism for the protective effect of the EA fraction against UVB-induced photodamage in vitro and ex vivo. UVB treatment increased intracellular reactive oxygen species levels and DNA damage; the latter of which was significantly decreased following cotreatment with the EA fraction. Biological markers of aging, such as p16INK4a, p21WAF1, and senescence-associated β-gal levels, were induced by UVB treatment but significantly suppressed following EA-fraction treatment. UVB-induced upregulation of matrix metalloproteinase (MMP)-1 and downregulation of COL1A1 were also reversed by EA-fraction treatment in both cells and a 3D skin model, which resulted in increased keratin and collagen deposition. Moreover, EA-fraction treatment inhibited the phosphorylation of MAPKs (p38, ERK, and JNK) and nuclear factor (NF-)-kB and decreased the levels of inflammatory cytokines in UVB-treated cells. The results indicate that an EA fraction from ADLE ameliorates UVB-induced degradation of COL1A1 by inhibiting MMP expression and inactivating the MAPK/NF-κB p65/AP-1 signaling pathway involved in this process.
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Affiliation(s)
- Kyong Kim
- Department of Food and Nutrition, Eulji University, Seongnam 13135, Republic of Korea; (K.K.); (C.-E.K.)
| | - Chae-Eun Kim
- Department of Food and Nutrition, Eulji University, Seongnam 13135, Republic of Korea; (K.K.); (C.-E.K.)
| | - Dong-Jae Baek
- College of Pharmacy, Mokpo National University, Mokpo 58554, Republic of Korea; (D.-J.B.); (E.-Y.P.)
| | - Eun-Young Park
- College of Pharmacy, Mokpo National University, Mokpo 58554, Republic of Korea; (D.-J.B.); (E.-Y.P.)
| | - Yoon Sin Oh
- Department of Food and Nutrition, Eulji University, Seongnam 13135, Republic of Korea; (K.K.); (C.-E.K.)
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Abd El Maksoud EA, Rady MH, Mahmoud AGT, Hamza D, Seadawy MG, Essa EE. Potential therapeutic biomolecules of hymenopteran venom against SARS-CoV-2 from Egyptian patients. Sci Rep 2024; 14:15363. [PMID: 38965389 PMCID: PMC11224265 DOI: 10.1038/s41598-024-65038-9] [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: 03/09/2024] [Accepted: 06/17/2024] [Indexed: 07/06/2024] Open
Abstract
The therapeutic potential of insect-derived bioactive molecules as anti-SARS-CoV-2 agents has shown promising results. Hymenopteran venoms, notably from Apis mellifera (honeybee) and Vespa orientalis (oriental wasp), were examined for the first time in an in vitro setting for their potential anti-COVID-19 activity. This assessment utilized an immunodiagnostic system to detect the SARS-CoV-2 nucleocapsid antigen titer reduction. Further analyses, including cytotoxicity assays, plaque reduction assays, and in silico docking-based screening, were performed to evaluate the efficacy of the most potent venom. Results indicated that bee and wasp venoms contain bioactive molecules with potential therapeutic effects against SARS-CoV-2.Nevertheless, the wasp venom exhibited superior efficacy compared to bee venom, achieving a 90% maximal (EC90) concentration effect of antigen depletion at 0.184 mg/mL, in contrast to 2.23 mg/mL for bee venom. The cytotoxicity of the wasp venom was assessed on Vero E6 cells 48 h post-treatment using the MTT assay. The CC 50 of the cell growth was 0.16617 mg/mL for Vero E6 cells. The plaque reduction assay of wasp venom revealed 50% inhibition (IC50) at a 0.208 mg/mL concentration. The viral count at 50% inhibition was 2.5 × 104 PFU/mL compared to the initial viral count of 5 × 104 PFU/mL. In silico data for the wasp venom revealed a strong attraction to binding sites on the ACE2 protein, indicating ideal interactions. This substantiates the potential of wasp venom as a promising viral inhibitor against SARS-CoV-2, suggesting its consideration as a prospective natural preventive and curative antiviral drug. In conclusion, hymenopteran venoms, particularly wasp venom, hold promise as a source of potential therapeutic biomolecules against SARS-CoV-2. More research and clinical trials are needed to evaluate these results and investigate their potential for translation into innovative antiviral therapies.
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Affiliation(s)
- Eman A Abd El Maksoud
- Armed Forces Laboratories of Medical Research, El-Khalifa El-Maamoun, Mansheya El-Bakry, Heliopolis, Cairo Governorate, Egypt
| | - Magda H Rady
- Entomology Department Faculty of Science, Ain Shams University, Cairo, 11566, Egypt
| | - Ahmed Gad Taha Mahmoud
- Microbiology Department, Armed Forces Laboratories of Medical Research, El-Khalifa El-Maamoun, Mansheya El-Bakry, Heliopolis, Cairo Governorate, Egypt
| | - Dalia Hamza
- Zoonoses Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Mohamed G Seadawy
- Biological Prevention Department, Chemical Warfare, Egypt Army, Cairo, Egypt
- Entomology Department, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Eman E Essa
- Entomology Department Faculty of Science, Ain Shams University, Cairo, 11566, Egypt.
- Entomology Department, Faculty of Science, Ain Shams University, Cairo, Egypt.
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Gayke M, Narode H, Bhosale RS, Yadav JS. Stereoselective total synthesis of arachnid harvestmen natural product: (4 S,5 S)‑4-hydroxy-γ-decalactone. Nat Prod Res 2024; 38:1168-1176. [PMID: 36263971 DOI: 10.1080/14786419.2022.2135000] [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: 06/21/2022] [Revised: 09/14/2022] [Accepted: 10/05/2022] [Indexed: 10/24/2022]
Abstract
Herein, we described the novel synthetic strategy for the total synthesis of harvestmen natural product (4S,5S)‑4-hydroxy-γ-decalactone (minor) from an inexpensive precursor ((R)-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde) with 31% overall yield. Hydroxy-γ-lactones represent a special class of harvestmen exocrine defense compounds. The present convergent synthesis utilizes classical reactions like the Barbier reaction, the Grignard reaction, and the employment of an olefin as a masked carboxylic acid functionality followed by lactone formation as key steps.
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Affiliation(s)
- Manoj Gayke
- Department of Chemistry, School of Science, Indrashil University, Rajpur Mehsana, Gujarat, 382715, India
| | - Hanuman Narode
- Department of Chemistry, School of Science, Indrashil University, Rajpur Mehsana, Gujarat, 382715, India
| | - Rajesh S Bhosale
- Department of Chemistry, School of Science, Indrashil University, Rajpur Mehsana, Gujarat, 382715, India
| | - Jhillu Singh Yadav
- Department of Chemistry, School of Science, Indrashil University, Rajpur Mehsana, Gujarat, 382715, India
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Peng SG, Liu XN, Sura MB, Yan YM, Cheng YX. Mantidisflavin A: A Riboflavin Derivative Featuring a 6/6/6/5/5 Skeleton from the Egg Cases of the Insect Tenodera sinensis Saussure and Its Anti-Renal Fibrosis Activity. Org Lett 2024; 26:1316-1320. [PMID: 38323859 DOI: 10.1021/acs.orglett.3c04035] [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: 02/08/2024]
Abstract
Mantidisflavin A (1) was isolated from the egg cases of the Tenodera sinensis Saussure. It exhibits an unprecedented 6/6/6/5/5 skeleton, accompanied by the formation of two additional fused heterocycles through a novel C-C bond and an oxygen bridge on riboflavin backbone. The structure of 1 was identified by spectroscopic and computational methods. To assess the inhibitory effect against renal fibrosis, compound 1 was evaluated in TGF-β1-induced rat kidney epithelial cells, and the results were compared to those of its precursor, riboflavin.
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Affiliation(s)
- Shi-Gang Peng
- Institute for Inheritance-Based Innovation of Chinese Medicine, School of Pharmacy, Shenzhen University Medical School, Shenzhen University, Shenzhen 518060, P. R. China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, P. R. China
| | - Xiao-Ning Liu
- Institute for Inheritance-Based Innovation of Chinese Medicine, School of Pharmacy, Shenzhen University Medical School, Shenzhen University, Shenzhen 518060, P. R. China
| | - Madhu Babu Sura
- Institute for Inheritance-Based Innovation of Chinese Medicine, School of Pharmacy, Shenzhen University Medical School, Shenzhen University, Shenzhen 518060, P. R. China
| | - Yong-Ming Yan
- Institute for Inheritance-Based Innovation of Chinese Medicine, School of Pharmacy, Shenzhen University Medical School, Shenzhen University, Shenzhen 518060, P. R. China
| | - Yong-Xian Cheng
- Institute for Inheritance-Based Innovation of Chinese Medicine, School of Pharmacy, Shenzhen University Medical School, Shenzhen University, Shenzhen 518060, P. R. China
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6
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Yan YM, Li JJ, Cheng YX. Aspongopyrimidine A, a N-Peralkylated Histidine Zwitterion from Aspongopus chinensis against Alzheimer's Disease Targeting MAPRE3. Org Lett 2024; 26:1506-1510. [PMID: 38345436 DOI: 10.1021/acs.orglett.4c00214] [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: 02/24/2024]
Abstract
Aspongopyrimidine A (1), a hexa-1,3-diene-histidine-hexanoic acid adduct featuring a 4,5-dihydro-2H-10λ4-imidazo[5,1-f]pyrrolo[2,1-b]pyrimidine motif, was isolated from the insect Aspongopus chinensis. The structure was clarified by spectroscopic and computational methods and X-ray diffraction. Peralkylation of N-atoms in histidine by two C6 units makes 1 an inner salt with a 5/6/5 tricyclic system. Biological evaluation found that 1 exerts activity against Alzheimer's disease targeting MAPRE3 through a chemical proteomics approach. This study revealed unusual modifications of amino acids as the fundamental units of protein.
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Affiliation(s)
- Yong-Ming Yan
- Institute for Inheritance-Based Innovation of Chinese Medicine, Marshall Laboratory of Biomedical Engineering, School of Pharmacy, Shenzhen University Medical School, Shenzhen University, Shenzhen 518055, PR China
| | - Ji-Jun Li
- Institute for Inheritance-Based Innovation of Chinese Medicine, Marshall Laboratory of Biomedical Engineering, School of Pharmacy, Shenzhen University Medical School, Shenzhen University, Shenzhen 518055, PR China
| | - Yong-Xian Cheng
- Institute for Inheritance-Based Innovation of Chinese Medicine, Marshall Laboratory of Biomedical Engineering, School of Pharmacy, Shenzhen University Medical School, Shenzhen University, Shenzhen 518055, PR China
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7
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Niekampf M, Meyer P, Quade FSC, Schmidt AR, Salditt T, Bradler S. High disparity in repellent gland anatomy across major lineages of stick and leaf insects (Insecta: Phasmatodea). BMC ZOOL 2024; 9:1. [PMID: 38163865 PMCID: PMC10759571 DOI: 10.1186/s40850-023-00189-2] [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: 09/01/2023] [Accepted: 10/30/2023] [Indexed: 01/03/2024] Open
Abstract
BACKGROUND Phasmatodea are well known for their ability to disguise themselves by mimicking twigs, leaves, or bark, and are therefore commonly referred to as stick and leaf insects. In addition to this and other defensive strategies, many phasmatodean species use paired prothoracic repellent glands to release defensive chemicals when disturbed by predators or parasites. These glands are considered as an autapomorphic trait of the Phasmatodea. However, detailed knowledge of the gland anatomy and chemical compounds is scarce and only a few species were studied until now. We investigated the repellent glands for a global sampling of stick and leaf insects that represents all major phasmatodean lineages morphologically via µCT scans and analyzed the anatomical traits in a phylogenetic context. RESULTS All twelve investigated species possess prothoracic repellent glands that we classify into four distinct gland types. 1: lobe-like glands, 2: sac-like glands without ejaculatory duct, 3: sac-like glands with ejaculatory duct and 4: tube-like glands. Lobe-like glands are exclusively present in Timema, sac-like glands without ejaculatory duct are only found in Orthomeria, whereas the other two types are distributed across all other taxa (= Neophasmatodea). The relative size differences of these glands vary significantly between species, with some glands not exceeding in length the anterior quarter of the prothorax, and other glands extending to the end of the metathorax. CONCLUSIONS We could not detect any strong correlation between aposematic or cryptic coloration of the examined phasmatodeans and gland type or size. We hypothesize that a comparatively small gland was present in the last common ancestor of Phasmatodea and Euphasmatodea, and that the gland volume increased independently in subordinate lineages of the Occidophasmata and Oriophasmata. Alternatively, the stem species of Neophasmatodea already developed large glands that were reduced in size several times independently. In any case, our results indicate a convergent evolution of the gland types, which was probably closely linked to properties of the chemical components and different predator selection pressures. Our study is the first showing the great anatomical variability of repellent glands in stick and leaf insects.
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Affiliation(s)
- Marco Niekampf
- Department of Animal Evolution and Biodiversity, Johann-Friedrich-Blumenbach Institute of Zoology and Anthropology, University of Göttingen, Untere Karspüle 2, 37073, Göttingen, Germany.
| | - Paul Meyer
- Institute for X-Ray Physics, University of Göttingen, Friedrich-Hund-Platz 1, 37077, Göttingen, Germany
| | - Felix S C Quade
- Department of Developmental Biology, Göttingen Center for Molecular Biosciences, Johann-Friedrich-Blumenbach Institute of Zoology and Anthropology, University of Göttingen, Justus-Von-Liebig-Weg 11, 37077, Göttingen, Germany
- Present address, Institut Für Zelltechnologie, Blücherstraße 63, 18055, Rostock, Germany
| | - Alexander R Schmidt
- Department of Geobiology, University of Göttingen, Goldschmidtstraße 3, 37077, Göttingen, Germany
| | - Tim Salditt
- Institute for X-Ray Physics, University of Göttingen, Friedrich-Hund-Platz 1, 37077, Göttingen, Germany
| | - Sven Bradler
- Department of Animal Evolution and Biodiversity, Johann-Friedrich-Blumenbach Institute of Zoology and Anthropology, University of Göttingen, Untere Karspüle 2, 37073, Göttingen, Germany
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8
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Wei WJ, Wang DG, Ji MS, Guo T. A Review on Chemical Structures and Biological Activities of Dopamine Derivatives from Medicinal Insects. Mini Rev Med Chem 2024; 24:1308-1322. [PMID: 38275028 DOI: 10.2174/0113895575273335231128080705] [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: 07/21/2023] [Revised: 10/07/2023] [Accepted: 10/13/2023] [Indexed: 01/27/2024]
Abstract
Medicinal insects play an important role in the treatment of refractory diseases due to their unique and rich pharmacological activities. However, compared to plants, microorganisms, and marine organisms, medicinal insects have been largely ignored. Some small molecules isolated from insects are known to have defensive effects, but their majority roles remain unknown. In-depth research on the small molecules of medicinal insects has been conducted in recent years. Then alkaloids, dopamine derivatives, nucleoside derivatives, and other components are obtained. Among them, dopamine derivatives are a unique class of components from medicinal insects. Thus, we present a comprehensive overview of chemical structures and biological activities of dopamine derivatives from some medicinal insects, which will bring more attention to other researchers for further chemical and biological investigations on the unique dopamine derivatives as well as medicinal insects.
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Affiliation(s)
- Wen-Jun Wei
- School of Pharmacy, Henan University of Traditional Chinese Medicine, Zhengzhou, China
- Henan Engineering Research Center of Medicinal and Edible Chinese Medicine Technology, Zhengzhou 450046, China
| | - Dong-Ge Wang
- School of Pharmacy, Henan University of Traditional Chinese Medicine, Zhengzhou, China
| | - Meng-Shan Ji
- School of Pharmacy, Henan University of Traditional Chinese Medicine, Zhengzhou, China
| | - Tao Guo
- School of Pharmacy, Henan University of Traditional Chinese Medicine, Zhengzhou, China
- Henan Engineering Research Center of Medicinal and Edible Chinese Medicine Technology, Zhengzhou 450046, China
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Yan YM, Bao XH, Li JJ, Li YP, Zhang HX, Cheng YX. Dimeric N-Acetyldopamine Derivatives Featuring a Seco-Benzene System from the Insects Aspongopus chinensis and Periostracum cicadae. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:20690-20700. [PMID: 38100375 DOI: 10.1021/acs.jafc.3c04851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2023]
Abstract
Aspongamide F (1), a novel N-acetyldopamine (NADA) dimer possessing a 6/6/6 ring system, and (±)-aspongamides G (2) and H (3), rare NADA derivatives with fragmented benzene rings, were isolated from Aspongopus chinensis. (±)-Cicadamides C (4) and D (5), the first 1,4-Benzodioxane NADA dimers featuring a seco-benzene system, and (±)-cicadamides E (6) and F (7), the NADA dimers derivatives, were isolated from Periostracum cicadae. The structures of all compounds were elucidated by spectroscopic analyses and computational methods. A plausible biosynthetic pathway for compounds 1-5 was proposed. The biological assay revealed that (+)-4 and (-)-4 exhibit renal protection in a dose-dependent manner.
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Affiliation(s)
- Yong-Ming Yan
- Institute for Inheritance-Based Innovation of Chinese Medicine, Marshall Laboratory of Biomedical Engineering, School of Pharmacy, Shenzhen University Medical School, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, P.R. China
| | - Xing-Hui Bao
- Institute for Inheritance-Based Innovation of Chinese Medicine, Marshall Laboratory of Biomedical Engineering, School of Pharmacy, Shenzhen University Medical School, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, P.R. China
| | - Ji-Jun Li
- Institute for Inheritance-Based Innovation of Chinese Medicine, Marshall Laboratory of Biomedical Engineering, School of Pharmacy, Shenzhen University Medical School, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, P.R. China
| | - Yan-Peng Li
- Institute for Inheritance-Based Innovation of Chinese Medicine, Marshall Laboratory of Biomedical Engineering, School of Pharmacy, Shenzhen University Medical School, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, P.R. China
| | - Hao-Xing Zhang
- Institute for Inheritance-Based Innovation of Chinese Medicine, Marshall Laboratory of Biomedical Engineering, School of Pharmacy, Shenzhen University Medical School, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, P.R. China
| | - Yong-Xian Cheng
- Institute for Inheritance-Based Innovation of Chinese Medicine, Marshall Laboratory of Biomedical Engineering, School of Pharmacy, Shenzhen University Medical School, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, P.R. China
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Nakano M, Sakamoto T, Kitano Y, Bono H, Simpson RJ, Tabunoki H. An extract from the frass of swallowtail butterfly (Papilio machaon) larvae inhibits HCT116 colon cancer cell proliferation but not other cancer cell types. BMC Genomics 2023; 24:735. [PMID: 38049715 PMCID: PMC10696813 DOI: 10.1186/s12864-023-09841-0] [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: 01/28/2023] [Accepted: 11/24/2023] [Indexed: 12/06/2023] Open
Abstract
BACKGROUND The frass of several herbivorous insect species has been utilised as natural medicines in Asia; however, the metabolite makeup and pharmaceutical activities of insect frass have yet to be investigated. Oligophagous Papilionidae insects utilise specific kinds of plants, and it has been suggested that the biochemicals from the plants may be metabolised by cytochrome P450 (CYP) in Papilionidae insects. In this study, we extracted the components of the frass of Papilio machaon larvae reared on Angelica keiskei, Oenanthe javanica or Foeniculum vulgare and examined the biological activity of each component. Then, we explored the expression of CYP genes in the midgut of P. machaon larvae and predicted the characteristics of their metabolic system. RESULTS The components that were extracted using hexane, chloroform or methanol were biochemically different between larval frass and the host plants on which the larvae had fed. Furthermore, a fraction obtained from the chloroform extract from frass of A. keiskei-fed larvae specifically inhibited the cell proliferation of the human colon cancer cell line HCT116, whereas fractions obtained from the chloroform extracts of O. javanica- or F. vulgare-fed larval frass did not affect HCT116 cell viability. The metabolites from the chloroform extract from frass of A. keiskei-fed larvae prevented cell proliferation and induced apoptosis in HCT116 cells. Next, we explored the metabolic enzyme candidates in A. keiskei-fed larvae by RNA-seq analysis. We found that the A. keiskei-fed larval midgut might have different characteristics from the O. javanica- or F. vulgare-fed larval metabolic systems, and we found that the CYP6B2 transcript was highly expressed in the A. keiskei-fed larval midgut. CONCLUSIONS These findings indicate that P. machaon metabolites might be useful as pharmaceutical agents against human colon cancer subtypes. Importantly, our findings show that it might be possible to use insect metabolic enzymes for the chemical structural conversion of plant-derived compounds with complex structures.
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Affiliation(s)
- Miho Nakano
- Cooperative Major in Advanced Health Science, Graduate School of Bio-Applications and System Engineering, Tokyo University of Agriculture and Technology, Tokyo, Fuchu, 183-8509, Japan
| | - Takuma Sakamoto
- Department of Science of Biological Production, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Yoshikazu Kitano
- Department of Applied Biological Science, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai- cho, Fuchu-shi, Tokyo, 183-8509, Japan
| | - Hidemasa Bono
- Laboratory of Bio-DX, Genome Editing Innovation Center, Hiroshima University, 3-10-23 Kagamiyama, Higashi-Hiroshima City, 739-0046, Japan
- Laboratory of Genome Informatics, Graduate School of Integrated Sciences for Life, Hiroshima University, 3- 10-23 Kagamiyama, Higashi-Hiroshima City, 739-0046, Japan
| | - Richard J Simpson
- Department of Biochemistry and Chemistry, La Trobe Institute for Molecular Science (LIMS), School of Agriculture, Biomedicine and Environment, La Trobe University, Melbourne, VIC, 3086, Australia
- Institute of Global Innovation Research, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo, 183-8509, Japan
| | - Hiroko Tabunoki
- Cooperative Major in Advanced Health Science, Graduate School of Bio-Applications and System Engineering, Tokyo University of Agriculture and Technology, Tokyo, Fuchu, 183-8509, Japan.
- Department of Science of Biological Production, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, Japan.
- Institute of Global Innovation Research, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo, 183-8509, Japan.
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Luo X, Bi Q, Huang D, Li Y, Yao C, Zhang J, Wei W, Li J, Li Z, Zhang J, Ji S, Wang Y, Guo DA. Characterization of natural peptides in Pheretima by integrating proteogenomics and label-free peptidomics. J Pharm Anal 2023; 13:1070-1079. [PMID: 37842652 PMCID: PMC10568111 DOI: 10.1016/j.jpha.2023.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/10/2023] [Accepted: 06/13/2023] [Indexed: 10/17/2023] Open
Abstract
Pheretima, also called "earthworms", is a well-known animal-derived traditional Chinese medicine that is extensively used in over 50 Chinese patent medicines (CPMs) in Chinese Pharmacopoeia (2020 edition). However, its zoological origin is unclear, both in the herbal market and CPMs. In this study, a strategy for integrating in-house annotated protein databases constructed from close evolutionary relationship-sourced RNA sequencing data from public archival resources and various sequencing algorithms (restricted search, open search, and de novo) was developed to characterize the phenotype of natural peptides of three major commercial species of Pheretima, including Pheretima aspergillum (PA), Pheretima vulgaris (PV), and Metaphire magna (MM). We identified 10,477 natural peptides in the PA, 7,451 in PV, and 5,896 in MM samples. Five specific signature peptides were screened and then validated using synthetic peptides; these demonstrated robust specificity for the authentication of PA, PV, and MM. Finally, all marker peptides were successfully applied to identify the zoological origins of Brain Heart capsules and Xiaohuoluo pills, revealing the inconsistent Pheretima species used in these CPMs. In conclusion, our integrated strategy could be used for the in-depth characterization of natural peptides of other animal-derived traditional Chinese medicines, especially non-model species with poorly annotated protein databases.
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Affiliation(s)
- Xiaoxiao Luo
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Qirui Bi
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Dongdong Huang
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yun Li
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Changliang Yao
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Jianqing Zhang
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Wenlong Wei
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Jiayuan Li
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Zhenwei Li
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Jingxian Zhang
- NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Shen Ji
- NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Yurong Wang
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - De-an Guo
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
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12
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Dossey AT, Oppert B, Chu FC, Lorenzen MD, Scheffler B, Simpson S, Koren S, Johnston JS, Kataoka K, Ide K. Genome and Genetic Engineering of the House Cricket ( Acheta domesticus): A Resource for Sustainable Agriculture. Biomolecules 2023; 13:589. [PMID: 37189337 PMCID: PMC10136058 DOI: 10.3390/biom13040589] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/10/2023] [Accepted: 03/11/2023] [Indexed: 03/29/2023] Open
Abstract
Background: The house cricket, Acheta domesticus, is one of the most farmed insects worldwide and the foundation of an emerging industry using insects as a sustainable food source. Edible insects present a promising alternative for protein production amid a plethora of reports on climate change and biodiversity loss largely driven by agriculture. As with other crops, genetic resources are needed to improve crickets for food and other applications. Methods: We present the first high quality annotated genome assembly of A. domesticus from long read data and scaffolded to chromosome level, providing information needed for genetic manipulation. Results: Gene groups related to immunity were annotated and will be useful for improving value to insect farmers. Metagenome scaffolds in the A. domesticus assembly, including Invertebrate Iridescent Virus 6 (IIV6), were submitted as host-associated sequences. We demonstrate both CRISPR/Cas9-mediated knock-in and knock-out of A. domesticus and discuss implications for the food, pharmaceutical, and other industries. RNAi was demonstrated to disrupt the function of the vermilion eye-color gene producing a useful white-eye biomarker phenotype. Conclusions: We are utilizing these data to develop technologies for downstream commercial applications, including more nutritious and disease-resistant crickets, as well as lines producing valuable bioproducts, such as vaccines and antibiotics.
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Affiliation(s)
- Aaron T. Dossey
- All Things Bugs LLC, Invertebrate Studies Institute, Inc., 2211 Snapper Ln., Oklahoma City, OK 73130, USA
| | - Brenda Oppert
- USDA Agricultural Research Service, Center for Grain and Animal Health Research, 1515 College, Ave., Manhattan, KS 66502, USA
| | - Fu-Chyun Chu
- All Things Bugs LLC, Invertebrate Studies Institute, Inc., 2211 Snapper Ln., Oklahoma City, OK 73130, USA
| | - Marcé D. Lorenzen
- Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC 27695, USA
| | - Brian Scheffler
- USDA Agricultural Research Service, Jamie Whitten Delta States Research Center, 141 Experiment Station Road, Stoneville, MS 38776, USA
| | - Sheron Simpson
- USDA Agricultural Research Service, Jamie Whitten Delta States Research Center, 141 Experiment Station Road, Stoneville, MS 38776, USA
| | - Sergey Koren
- Genome Informatics Section, Computational and Statistical Genomics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20894, USA
| | - J. Spencer Johnston
- Department of Entomology, Texas A&M University, College Station, TX 77843, USA
| | - Kosuke Kataoka
- Faculty of Science and Engineering, Waseda University, 2-2 TWIns #02C214, Wakamatsu-cho, Shinjuku-ku, Tokyo 162-8480, Japan
| | - Keigo Ide
- Faculty of Science and Engineering, Waseda University, 2-2 TWIns #02C214, Wakamatsu-cho, Shinjuku-ku, Tokyo 162-8480, Japan
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13
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Zhang E, Ji X, Ouyang F, Lei Y, Deng S, Rong H, Deng X, Shen H. A minireview of the medicinal and edible insects from the traditional Chinese medicine (TCM). Front Pharmacol 2023; 14:1125600. [PMID: 37007003 PMCID: PMC10060509 DOI: 10.3389/fphar.2023.1125600] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 03/08/2023] [Indexed: 03/18/2023] Open
Abstract
Entomoceuticals define a subset of pharmaceuticals derived from insects. The therapeutic effect of insect-derived drugs has been empirically validated by the direct use of various folk medicines originating from three sources in particular: the glandular secretions of insects (e.g., silk, honey, venom), the body parts of the insect or the whole used live or by various processing (e.g., cooked, toasted, ground), and active ingredients extracted from insects or insect-microbe symbiosis. Insects have been widely exploited in traditional Chinese medicine (TCM) relative to other ethnomedicines, especially in the prospect of insect species for medicinal uses. It is noticeable that most of these entomoceuticals are also exploited as health food for improving immune function. In addition, some edible insects are rich in animal protein and have high nutritional value, which are used in the food field, such as insect wine, health supplements and so on. In this review, we focused on 12 insect species that have been widely used in traditional Chinese herbal formulae but have remained less investigated for their biological properties in previous studies. We also combined the entomoceutical knowledge with recent advances in insect omics. This review specifies the underexplored medicinal insects from ethnomedicine and shows their specific medicinal and nutritional roles in traditional medicine.
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Affiliation(s)
- Enming Zhang
- School of Sports Medicine and Physical Therapy, Beijing Sport University, Beijing, China
| | - Xin Ji
- School of Sports Medicine and Physical Therapy, Beijing Sport University, Beijing, China
| | - Fang Ouyang
- Institute of Zoology, Chinese Academy of Science, Beijing, China
| | - Yang Lei
- College of Arts and Sciences, Boston University, Boston, MA, United States
| | - Shun Deng
- Sichuan Provincial Orthopedic Hospital, Chengdu, China
- *Correspondence: Shun Deng, ; Haibo Rong,
| | - Haibo Rong
- Sichuan Provincial Orthopedic Hospital, Chengdu, China
- *Correspondence: Shun Deng, ; Haibo Rong,
| | - Xuangen Deng
- Sichuan Provincial Orthopedic Hospital, Chengdu, China
| | - Hai Shen
- Sichuan Provincial Orthopedic Hospital, Chengdu, China
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14
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Edible insects: As traditional medicine for human wellness. FUTURE FOODS 2023. [DOI: 10.1016/j.fufo.2023.100219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023] Open
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15
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Gałęcki R, Bakuła T, Gołaszewski J. Foodborne Diseases in the Edible Insect Industry in Europe-New Challenges and Old Problems. Foods 2023; 12:770. [PMID: 36832845 PMCID: PMC9956073 DOI: 10.3390/foods12040770] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 01/25/2023] [Accepted: 02/07/2023] [Indexed: 02/15/2023] Open
Abstract
Insects play a key role in European agroecosystems. Insects provide important ecosystem services and make a significant contribution to the food chain, sustainable agriculture, the farm-to-fork (F2F) strategy, and the European Green Deal. Edible insects are regarded as a sustainable alternative to livestock, but their microbiological safety for consumers has not yet been fully clarified. The aim of this article is to describe the role of edible insects in the F2F approach, to discuss the latest veterinary guidelines concerning consumption of insect-based foods, and to analyze the biological, chemical, and physical hazards associated with edible insect farming and processing. Five groups of biological risk factors, ten groups of chemical risk factors, and thirteen groups of physical risks factors have been identified and divided into sub-groups. The presented risk maps can facilitate identification of potential threats, such as foodborne pathogens in various insect species and insect-based foods. Ensuring safety of insect-based foods, including effective control of foodborne diseases, will be a significant milestone on the path to maintaining a sustainable food chain in line with the F2F strategy and EU policies. Edible insects constitute a new category of farmed animals and a novel link in the food chain, but their production poses the same problems and challenges that are encountered in conventional livestock rearing and meat production.
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Affiliation(s)
- Remigiusz Gałęcki
- Department of Veterinary Prevention and Feed Hygiene, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, 10-719 Olsztyn, Poland
| | - Tadeusz Bakuła
- Department of Veterinary Prevention and Feed Hygiene, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, 10-719 Olsztyn, Poland
| | - Janusz Gołaszewski
- Center for Bioeconomy and Renewable Energies, Department of Genetics, Plant Breeding and Bioresource Engineering, Faculty of Agriculture and Forestry, University of Warmia and Mazury in Olsztyn, 10-719 Olsztyn, Poland
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16
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Shahrajabian MH, Cheng Q, Sun W. The Organic Life According to Traditional Chinese Medicine with Anticancer Approaches. CURRENT NUTRITION & FOOD SCIENCE 2022. [DOI: 10.2174/1871520622666220425093907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Abstract:
The aim of this review was to summarize the most important traditional medinical
herbs and plants that are being used in different parts of the world with a focus on a green anticancer approach. The most important impacts of medicinal plants on cancer treatments are prevention of cancer occurrence, decreased side effects, ameliorated post-operative complications,
reduced post operative recurrence, reduced tumor growth, maintenance therapy, reduced symptoms and prolonged survival. Alkaloid anti-cancer compounds are pyrrolidine, pyridine, tropane,
piperidine, pyrrolizidine, quinolizidine, indolizidine, isoquinoline, oxazole, isoxazole, quinazoline, quinoline, indole serine, purine, β -phenylethylamine, colchicine, benzylamine, abornin,
pancratistatin and narciclasine. Anticancer phenolic compounds from plants are flavonol, flavones, kaempferol, luteolin, curcumin, apigenin, chalcone, and cafestol. Anticancer terpenoids
compounds from medicinal plants are isoprene, alpha-hederin, galanal A, galanal B, carnosol,
oleanane and xanthorrhizol. The most important chemical structures of anti-cancer drugs derived
from plants are vincristine, vinblastine, vinorelbine, vindesine, vinflunine, paclitaxel, docetaxel,
cabazitaxel, larotaxel, milataxel, ortataxel, tesetaxel, camptothecin, irinotecan, topotecan, etoposide, teniposide, harringtonine and homoharringtonine. Cancer is one of the main and primary
causes of morbidity and mortality all over the world. It is a broad group of various diseases typified by unregulated cell growth. The role of plants, especially traditional herbs as a source of organic medicines has been prevalent in many societies, especially in Eastern medicinal science for
thousands of years. Traditional medicinal herbs and plants which have both antiviral activity and
the ability to promote immunity, would have possible inhibition ability in the initiation and promotion of virus-associated cancers. Medicinal plants should always be considered a great source
of novel chemical constituents with anti-cancer effects.
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Affiliation(s)
| | - Qi Cheng
- College of Life
Sciences, Hebei Agricultural University, Baoding, Hebei, 071000, China; Global Alliance of HeBAU-CLS&HeQiS for
BioAl-Manufacturing, Baoding, Hebei 071000, China
| | - Wenli Sun
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
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17
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Long Y, Zhang Y, Huang F, Liu S, Gao T, Zhang Y. Diversity and antimicrobial activities of culturable actinomycetes from Odontotermes formosanus (Blattaria: Termitidae). BMC Microbiol 2022; 22:80. [PMID: 35337263 PMCID: PMC8951712 DOI: 10.1186/s12866-022-02501-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 03/17/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Actinomycetes are important microbes, and they are very important for developing active substances for useful drugs. Actinomycetes are numerous inhabitants, and they are widely distributed in the nest of fungus-growing termites. Previously, we isolated and purified numerous actinomycetes from the combs of Odontotermes formosanus and obtained a variety of valuable natural products. RESULTS Here, we isolated and purified actinomycetes from fungus-growing termite Odontotermes formosanus using medium-based cultures. Among the eight media tested, M7 and I-HV media were found suitable for isolating actinomycetes. Further, 84 actinomycetes, including 79 Streptomyces isolates, were isolated and purified from O. formosanus and its combs, which belong to four genera (Streptomyces, Kribbella, Amycolatopsis, and Cellulosimicrobium). Then, the type and quantity of actinomycetes were positively correlated with the activity range of termites. Twenty-two actinomycetes strains showed antimicrobial activities. Among them, the BYF18, BYF48, BYF70, and BYF106 strains exhibited antifungal activities against five pathogenic fungi, with zone of inhibition (ZOI) values ranging from 3 to 21 mm. Grincamycin N was isolated and purified from the metabolites of Streptomyces lannensis (BYF106), and it displayed antibacterial activities against Staphylococcus aureus (ZOI = 13.82 ± 0.52 mm) and Micrococcus tetragenus (ZOI = 17.6 ± 0.5 mm) (gentamycin sulfate, as the positive control, had ZOI values of 19.9 ± 0.5 mm and 30.83 ± 0.75 mm, against S. aureus and M. tetragenus, respectively). CONCLUSIONS Our results confirmed that the actinomycetes associated with O. formosanus are important sources of new active substances.
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Affiliation(s)
- Yanhua Long
- School of Life Sciences, Anhui Agricultural University, Hefei, 230036, China
| | - Yong Zhang
- School of Life Sciences, Anhui Agricultural University, Hefei, 230036, China
| | - Fang Huang
- School of Life Sciences, Anhui Agricultural University, Hefei, 230036, China
| | - Song Liu
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei, 230036, China
| | - Tian Gao
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei, 230036, China
| | - Yinglao Zhang
- School of Life Sciences, Anhui Agricultural University, Hefei, 230036, China.
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18
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Pang XQ, Wu XM, Wang Q, Meng D, Huang YM, Xu JL, Li Y, Liu H, Xiao H, Ding ZT. Hydroxytyrosol Dimers from Medicinal Insect Blaps Rynchopetera and the in Vitro Cytotoxic Activity. Nat Prod Commun 2022. [DOI: 10.1177/1934578x221086906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The edible Blaps rynchopetera Fairmaire is widely used for its various medicinal effects. From its ethyl acetate fraction, three new hydroxytyrosol dimers, rynchopeterine H (1), rynchopeterine I (2) and trans-2-(3,4-dihydroxy-phenyl)-3-hydroxy-7-(2-hydroxyethyl)-1,4-benzdioxane (3), together with four known similar dimers were obtained by chromatography of silica gel and Sephadex LH-20. Their structures were identified by HRESIMS, 1D and 2D NMR spectra analysis. Compounds 1-4 were obtained as a mixture, and cytotoxicity screening for HepG2, Caco-2, U251, AGS, B16 and Bel-7402 cell lines showed that the mixture of compounds 1-4 exhibited significantly selective cytotoxicity and good inhibitory activity on the proliferation of mouse melanoma cells (B16) with an IC50 value of 27.37 μg·mL−1.
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Affiliation(s)
- Xiu-Qin Pang
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical R&D, Dali University, Dali, P.R. China
- College of Pharmacy, Dali University, Dali, P.R. China
| | - Xiu-Mei Wu
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical R&D, Dali University, Dali, P.R. China
| | - Qi Wang
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical R&D, Dali University, Dali, P.R. China
- College of Pharmacy, Dali University, Dali, P.R. China
| | - Di Meng
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical R&D, Dali University, Dali, P.R. China
- College of Pharmacy, Dali University, Dali, P.R. China
| | - Yan-Ming Huang
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical R&D, Dali University, Dali, P.R. China
- College of Pharmacy, Dali University, Dali, P.R. China
| | - Jing-Lei Xu
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical R&D, Dali University, Dali, P.R. China
- College of Pharmacy, Dali University, Dali, P.R. China
| | - Yue Li
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical R&D, Dali University, Dali, P.R. China
- College of Pharmacy, Dali University, Dali, P.R. China
| | - Heng Liu
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical R&D, Dali University, Dali, P.R. China
- College of Pharmacy, Dali University, Dali, P.R. China
| | - Huai Xiao
- Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical R&D, Dali University, Dali, P.R. China
- College of Pharmacy, Dali University, Dali, P.R. China
| | - Zhong-Tao Ding
- College of Pharmacy, Dali University, Dali, P.R. China
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, Yunnan University, Kunming, P.R. China
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19
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Adarsh Krishna TP, Edachery B, Athalathil S. Bakuchiol - a natural meroterpenoid: structure, isolation, synthesis and functionalization approaches. RSC Adv 2022; 12:8815-8832. [PMID: 35424800 PMCID: PMC8985110 DOI: 10.1039/d1ra08771a] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 03/06/2022] [Indexed: 12/12/2022] Open
Abstract
Bakuchiol is an emblematic meroterpene class of natural product extracted from Psoralea corylifolia. It has been reported to possess a broad range of biological and pharmacological properties and is considered as a leading biomolecule. It is highly desirable to devise an efficient approach to access bakuchiol and its chemical biology applications. In this review we provided structural features, isolation methods, various chemical routes and late-stage functionalization (LSF) approaches for bakuchiol and its derivatives. Moreover, this review encompasses the structure-activity relationships (SAR), value-added contributions and future perspectives of bakuchiol.
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Affiliation(s)
- T P Adarsh Krishna
- R & D Division, Sreedhareeyam Farmherbs India Pvt. Ltd Ernakulam (Dist.) Kerala India-686 662
| | - Baldev Edachery
- R & D Division, Sreedhareeyam Farmherbs India Pvt. Ltd Ernakulam (Dist.) Kerala India-686 662
| | - Sunil Athalathil
- R & D Division, Sreedhareeyam Farmherbs India Pvt. Ltd Ernakulam (Dist.) Kerala India-686 662
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20
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First In Silico Screening of Insect Molecules for Identification of Novel Anti-Parasitic Compounds. Pharmaceuticals (Basel) 2022; 15:ph15020119. [PMID: 35215232 PMCID: PMC8877563 DOI: 10.3390/ph15020119] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/16/2022] [Accepted: 01/17/2022] [Indexed: 02/01/2023] Open
Abstract
Schistosomiasis is a neglected tropical disease caused by blood flukes of the genus Schistosoma. In silico screenings of compounds for the identification of novel anti-parasitic drug candidates have received considerable attention in recent years, including the screening of natural compounds. For the first time, we investigated molecules from insects, a rather neglected source in drug discovery, in an in silico screening approach to find novel antischistosomal compounds. Based on the Dictionary of Natural Products (DNP), we created a library of 1327 insect compounds suitable for molecular docking. A structure-based virtual screening against the crystal structure of a known druggable target in Schistosoma mansoni, the thioredoxin glutathione reductase (SmTGR), was performed. The top ten compounds predominantly originated from beetles and were predicted to interact particularly with amino acids in the doorstop pocket of SmTGR. For one compound from a jewel beetle, buprestin H, we tested and confirmed antischistosomal activity against adult and juvenile parasites in vitro. At concentrations with anti-parasitic activity, we could also exclude any unspecific cytotoxic activity against human HepG2 cells. This study highlights the potential of insect molecules for the identification of novel antischistosomal compounds. Our library of insect-derived molecules could serve not only as basis for future in silico screenings against additional target proteins of schistosomes, but also of other parasites.
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21
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Abstract
Ants have outstanding capacity to mediate inter- and intraspecific interactions by producing structurally diverse metabolites from numerous secretory glands. Since Murray Blum's pioneering studies dating from the 1950s, there has been a growing interest in arthropod toxins as natural products. Over a dozen different alkaloid classes have been reported from approximately 40 ant genera in five subfamilies, with peak diversity within the Myrmicinae tribe Solenopsidini. Most ant alkaloids function as venom, but some derive from other glands with alternative functions. They are used in defense (e.g., alarm, repellants) or offense (e.g., toxins) but also serve as antimicrobials and pheromones. We provide an overview of ant alkaloid diversity and function with an evolutionary perspective. We conclude that more directed integrative research is needed. We suggest that comparative phylogenetics will illuminate compound diversification, while molecular approaches will elucidate genetic origins. Biological context, informed by natural history, remains critical not only for research about focal species, but also to guide applied research.
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Affiliation(s)
- Eduardo Gonçalves Paterson Fox
- Departamento de Parasitologia, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21044-020, Brazil;
| | - Rachelle M M Adams
- Department of Evolution, Ecology and Organismal Biology, The Ohio State University, Columbus, Ohio 43210, USA;
- Department of Entomology, Smithsonian Institution, National Museum of Natural History, Washington, DC 20560, USA
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22
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Zhao M, Wang CY, Sun L, He Z, Yang PL, Liao HJ, Feng Y. Edible Aquatic Insects: Diversities, Nutrition, and Safety. Foods 2021; 10:3033. [PMID: 34945584 PMCID: PMC8700862 DOI: 10.3390/foods10123033] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/26/2021] [Accepted: 12/02/2021] [Indexed: 01/22/2023] Open
Abstract
Edible insects have great potential to be human food; among them, aquatic insects have unique characteristics and deserve special attention. Before consuming these insects, the nutrition and food safety should always be considered. In this review, we summarized the species diversity, nutrition composition, and food safety of edible aquatic insects, and also compared their distinguished characteristics with those of terrestrial insects. Generally, in contrast with the role of plant feeders that most terrestrial edible insect species play, most aquatic edible insects are carnivorous animals. Besides the differences in physiology and metabolism, there are differences in fat, fatty acid, limiting/flavor amino acid, and mineral element contents between terrestrial and aquatic insects. Furthermore, heavy metal, pesticide residue, and uric acid composition, concerning food safety, are also discussed. Combined with the nutritional characteristics of aquatic insects, it is not recommended to eat the wild resources on a large scale. For the aquatic insects with large consumption, it is better to realize the standardized cultivation before they can be safely eaten.
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Affiliation(s)
- Min Zhao
- Key Laboratory of Breeding and Utilization of Resource Insects of National Forestry and Grassland Administration, Research Institute of Resource Insects, Chinese Academy of Forestry, Kunming 650224, China; (M.Z.); (C.-Y.W.); (L.S.); (Z.H.); (P.-L.Y.)
| | - Cheng-Ye Wang
- Key Laboratory of Breeding and Utilization of Resource Insects of National Forestry and Grassland Administration, Research Institute of Resource Insects, Chinese Academy of Forestry, Kunming 650224, China; (M.Z.); (C.-Y.W.); (L.S.); (Z.H.); (P.-L.Y.)
| | - Long Sun
- Key Laboratory of Breeding and Utilization of Resource Insects of National Forestry and Grassland Administration, Research Institute of Resource Insects, Chinese Academy of Forestry, Kunming 650224, China; (M.Z.); (C.-Y.W.); (L.S.); (Z.H.); (P.-L.Y.)
| | - Zhao He
- Key Laboratory of Breeding and Utilization of Resource Insects of National Forestry and Grassland Administration, Research Institute of Resource Insects, Chinese Academy of Forestry, Kunming 650224, China; (M.Z.); (C.-Y.W.); (L.S.); (Z.H.); (P.-L.Y.)
| | - Pan-Li Yang
- Key Laboratory of Breeding and Utilization of Resource Insects of National Forestry and Grassland Administration, Research Institute of Resource Insects, Chinese Academy of Forestry, Kunming 650224, China; (M.Z.); (C.-Y.W.); (L.S.); (Z.H.); (P.-L.Y.)
| | - Huai-Jian Liao
- Institute of Leisure Agriculture, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Ying Feng
- Key Laboratory of Breeding and Utilization of Resource Insects of National Forestry and Grassland Administration, Research Institute of Resource Insects, Chinese Academy of Forestry, Kunming 650224, China; (M.Z.); (C.-Y.W.); (L.S.); (Z.H.); (P.-L.Y.)
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23
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Yu HF, Ding CF, Zhang LC, Wei X, Cheng GG, Liu YP, Zhang RP, Luo XD. Alstoscholarisine K, an Antimicrobial Indole from Gall-Induced Leaves of Alstonia scholaris. Org Lett 2021; 23:5782-5786. [PMID: 34270896 DOI: 10.1021/acs.orglett.1c01942] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Alstoscholarisine K, an indole alkaloid with eight chiral carbons and featuring a novel 6/5/6/6/6/6/6/5 octacyclic architecture, was found to be specific to the gall-infected leaves of Alstonia scholaris. Its structure was elucidated by spectroscopy, computational analysis, and single-crystal X-ray diffraction. The unusual highly fused cage-like pyrrolo[1,2-a]pyrimidine structure with an additional -C4N unit is possibly derived from a combination of monoterpenoid indole and polyamine pathways. The fascinating compound exhibited significant antibacterial bioactivities by targeting cell membranes.
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Affiliation(s)
- Hao-Fei Yu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, P. R. China.,Key Laboratory of Medicinal Chemistry for Natural Resources, Ministry of Education and Yunnan Provincial Center for Research & Development of Natural Products, School of Chemical Science and Technology, Yunnan University, Kunming 650091, P. R. China.,School of Pharmaceutical Sciences, Department of Zoology & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming 650500, P. R. China
| | - Cai-Feng Ding
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, P. R. China.,School of Pharmaceutical Sciences, Department of Zoology & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming 650500, P. R. China
| | - Lan-Chun Zhang
- School of Pharmaceutical Sciences, Department of Zoology & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming 650500, P. R. China
| | - Xin Wei
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, P. R. China
| | - Gui-Guang Cheng
- Yunnan Institute of Food Safety, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Ya-Ping Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, P. R. China.,Yunnan Institute of Food Safety, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Rong-Ping Zhang
- School of Pharmaceutical Sciences, Department of Zoology & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming 650500, P. R. China.,School of Chinese Materia Medica and Yunnan Key Laboratory of Southern Medicinal Resources, Yunnan University of Traditional Chinese Medicine, Kunming 650500, P. R. China
| | - Xiao-Dong Luo
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, P. R. China.,Key Laboratory of Medicinal Chemistry for Natural Resources, Ministry of Education and Yunnan Provincial Center for Research & Development of Natural Products, School of Chemical Science and Technology, Yunnan University, Kunming 650091, P. R. China
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24
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Díaz-Navarro M, Bolívar P, Andrés MF, Gómez-Muñoz MT, Martínez-Díaz RA, Valcárcel F, García-París M, Bautista LM, González-Coloma A. Antiparasitic Effects of Potentially Toxic Beetles (Tenebrionidae and Meloidae) from Steppe Zones. Toxins (Basel) 2021; 13:toxins13070489. [PMID: 34357960 PMCID: PMC8310226 DOI: 10.3390/toxins13070489] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 07/09/2021] [Accepted: 07/11/2021] [Indexed: 11/29/2022] Open
Abstract
Arthropods and specifically beetles can synthesize and/or sequester metabolites from dietary sources. In beetle families such as Tenebrionidae and Meloidae, a few studies have reported species with toxic defensive substances and antiparasitic properties that are consumed by birds. Here we have studied the antiparasitic activity of extracts from beetle species present in the habitat of the Great Bustard (Otis tarda) against four pathogen models (Aspergillus niger, Meloidogyne javanica, Hyalomma lusitanicum, and Trichomonas gallinae). The insect species extracted were Tentyria peiroleri, Scaurus uncinus, Blaps lethifera (Tenebrionidae), and Mylabris quadripunctata (Meloidae). M. quadripunctata exhibited potent activity against M. javanica and T. gallinae, while T. peiroleri exhibited moderate antiprotozoal activity. The chemical composition of the insect extracts was studied by gas chromatography coupled with mass spectrometry (GC-MS) analysis. The most abundant compounds in the four beetle extracts were hydrocarbons and fatty acids such as palmitic acid, myristic acid and methyl linoleate, which are characteristic of insect cuticles. The presence of cantharidin (CTD) in the M. quadripunctata meloid and ethyl oleate (EO) in T. peiroleri accounted for the bioactivity of their extracts.
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Affiliation(s)
- Marta Díaz-Navarro
- Museo Nacional de Ciencias Naturales, CSIC, José Gutiérrez Abascal 2, 28006 Madrid, Spain; (M.D.-N.); (P.B.); (M.G.-P.); (L.M.B.)
- Instituto de Ciencias Agrarias, CSIC, Serrano 115-dpdo, 28006 Madrid, Spain;
| | - Paula Bolívar
- Museo Nacional de Ciencias Naturales, CSIC, José Gutiérrez Abascal 2, 28006 Madrid, Spain; (M.D.-N.); (P.B.); (M.G.-P.); (L.M.B.)
- Facultad de Veterinaria, Universidad Complutense de Madrid (UCM), 28040 Madrid, Spain;
| | - María Fe Andrés
- Instituto de Ciencias Agrarias, CSIC, Serrano 115-dpdo, 28006 Madrid, Spain;
| | | | - Rafael A. Martínez-Díaz
- Facultad de Medicina, Universidad Autónoma de Madrid (UAM), Arzobispo Morcillo S/N, 28029 Madrid, Spain;
| | - Félix Valcárcel
- Grupo de Parasitología Animal, Departamento de Reproducción Animal, CSIC-INIA, 28040 Madrid, Spain;
| | - Mario García-París
- Museo Nacional de Ciencias Naturales, CSIC, José Gutiérrez Abascal 2, 28006 Madrid, Spain; (M.D.-N.); (P.B.); (M.G.-P.); (L.M.B.)
| | - Luis M. Bautista
- Museo Nacional de Ciencias Naturales, CSIC, José Gutiérrez Abascal 2, 28006 Madrid, Spain; (M.D.-N.); (P.B.); (M.G.-P.); (L.M.B.)
| | - Azucena González-Coloma
- Instituto de Ciencias Agrarias, CSIC, Serrano 115-dpdo, 28006 Madrid, Spain;
- Correspondence:
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25
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Gałęcki R, Zielonka Ł, Zasȩpa M, Gołȩbiowska J, Bakuła T. Potential Utilization of Edible Insects as an Alternative Source of Protein in Animal Diets in Poland. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2021. [DOI: 10.3389/fsufs.2021.675796] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The selection of high-protein raw materials that could be utilized in the production of animal feed is limited in Poland. The aim of this study was to analyze the needs and possibilities associated with the utilization of insect protein in animal nutrition in Poland. In the future, insects could become an effective solution to meeting the nutritional requirements of a growing population. Insect protein is already used in the production of fish feed in the European Union (EU). Legislative decisions on the introduction of this alternative feed source have to be based on the results of studies investigating the safety of insect protein for farmed animals. Diets containing insect protein and their influence on animals need to be thoroughly analyzed. In the future, insect farming could become a novel branch of agriculture, and it could create new opportunities for Polish farmers who were affected by the African swine fever (ASF) virus. Insect farms could create new jobs, promote innovative business development, and increase food and feed production. Entomophagy is a new and controversial concept for Polish consumers, but in the future, it could offer a viable solution to feeding the world's growing population.
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26
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Parvaxanthines D-F and Asponguanosines C and D, Racemic Natural Hybrids from the Insect Cyclopelta parva. Molecules 2021; 26:molecules26123531. [PMID: 34207872 PMCID: PMC8229431 DOI: 10.3390/molecules26123531] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 06/01/2021] [Accepted: 06/02/2021] [Indexed: 11/16/2022] Open
Abstract
Five new compounds including three pairs of enantiomeric xanthine analogues, parvaxanthines D–F (1–3), two new guanosine derivatives, asponguanosines C and D (6 and 7), along with two known adenine derivatives were isolated from the insect Cyclopelta parva. Racemic 1–3 were further separated by chiral HPLC. Their absolute configurations were assigned by spectroscopic and computational methods. It is interesting that all of these isolates are natural product hybrids. Antiviral, immunosuppressive, antitumor and anti-inflammatory properties of all the isolates were evaluated.
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27
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Manniello MD, Moretta A, Salvia R, Scieuzo C, Lucchetti D, Vogel H, Sgambato A, Falabella P. Insect antimicrobial peptides: potential weapons to counteract the antibiotic resistance. Cell Mol Life Sci 2021; 78:4259-4282. [PMID: 33595669 PMCID: PMC8164593 DOI: 10.1007/s00018-021-03784-z] [Citation(s) in RCA: 114] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 01/19/2021] [Accepted: 01/29/2021] [Indexed: 02/07/2023]
Abstract
Misuse and overuse of antibiotics have contributed in the last decades to a phenomenon known as antibiotic resistance which is currently considered one of the principal threats to global public health by the World Health Organization. The aim to find alternative drugs has been demonstrated as a real challenge. Thanks to their biodiversity, insects represent the largest class of organisms in the animal kingdom. The humoral immune response includes the production of antimicrobial peptides (AMPs) that are released into the insect hemolymph after microbial infection. In this review, we have focused on insect immune responses, particularly on AMP characteristics, their mechanism of action and applications, especially in the biomedical field. Furthermore, we discuss the Toll, Imd, and JAK-STAT pathways that activate genes encoding for the expression of AMPs. Moreover, we focused on strategies to improve insect peptides stability against proteolytic susceptibility such as D-amino acid substitutions, N-terminus modification, cyclization and dimerization.
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Affiliation(s)
- M D Manniello
- Department of Sciences, University of Basilicata, Via dell'Ateneo Lucano 10, 85100, Potenza, Italy
| | - A Moretta
- Department of Sciences, University of Basilicata, Via dell'Ateneo Lucano 10, 85100, Potenza, Italy
| | - R Salvia
- Department of Sciences, University of Basilicata, Via dell'Ateneo Lucano 10, 85100, Potenza, Italy
- Spinoff XFlies S.R.L, University of Basilicata, Via dell'Ateneo Lucano 10, 85100, Potenza, Italy
| | - C Scieuzo
- Department of Sciences, University of Basilicata, Via dell'Ateneo Lucano 10, 85100, Potenza, Italy
- Spinoff XFlies S.R.L, University of Basilicata, Via dell'Ateneo Lucano 10, 85100, Potenza, Italy
| | - D Lucchetti
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, Rome, Italy
| | - H Vogel
- Department of Entomology, Max Planck Institute for Chemical Ecology, Hans-Knöll-Straße 8, 07745, Jena, Germany
| | - A Sgambato
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, Rome, Italy
- Centro di Riferimento Oncologico Della Basilicata (IRCCS-CROB), Rionero in Vulture (PZ), Italy
| | - P Falabella
- Department of Sciences, University of Basilicata, Via dell'Ateneo Lucano 10, 85100, Potenza, Italy.
- Spinoff XFlies S.R.L, University of Basilicata, Via dell'Ateneo Lucano 10, 85100, Potenza, Italy.
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28
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Deyrup ST, Stagnitti NC, Perpetua MJ, Wong-Deyrup SW. Drug Discovery Insights from Medicinal Beetles in Traditional Chinese Medicine. Biomol Ther (Seoul) 2021; 29:105-126. [PMID: 33632986 PMCID: PMC7921859 DOI: 10.4062/biomolther.2020.229] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 12/29/2020] [Accepted: 01/04/2021] [Indexed: 11/23/2022] Open
Abstract
Traditional Chinese medicine (TCM) was the primary source of medical treatment for the people inhabiting East Asia for thousands of years. These ancient practices have incorporated a wide variety of materia medica including plants, animals and minerals. As modern sciences, including natural products chemistry, emerged, there became increasing efforts to explore the chemistry of this materia medica to find molecules responsible for their traditional use. Insects, including beetles have played an important role in TCM. In our survey of texts and review articles on TCM materia medica, we found 48 species of beetles from 34 genera in 14 different families that are used in TCM. This review covers the chemistry known from the beetles used in TCM, or in cases where a species used in these practices has not been chemically studied, we discuss the chemistry of closely related beetles. We also found several documented uses of beetles in Traditional Korean Medicine (TKM), and included them where appropriate. There are 129 chemical constituents of beetles discussed.
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Affiliation(s)
- Stephen T. Deyrup
- Department of Chemistry and Biochemistry, Siena College, Loudonville, NY 12309, USA
| | - Natalie C. Stagnitti
- Department of Chemistry and Biochemistry, Siena College, Loudonville, NY 12309, USA
| | | | - Siu Wah Wong-Deyrup
- The RNA Institute and Department of Biological Sciences, University at Albany, State University of New York, Albany, NY 12222, USA
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29
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Zhu HJ, Xu T, Yan YM, Tu ZC, Cheng YX. Neolignans and Norlignans from Insect Medicine Polyphaga plancyi and Their Biological Activities. NATURAL PRODUCTS AND BIOPROSPECTING 2021; 11:51-62. [PMID: 32876846 PMCID: PMC7933325 DOI: 10.1007/s13659-020-00262-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 08/23/2020] [Indexed: 05/11/2023]
Abstract
Ten neolignans or norlignans (1-10) including eight new compounds were isolated from the whole bodies of Polyphaga plancyi Bolivar. Their structures were identified by spectroscopic data. Compounds 3, 4, 8, and 9 are racemates indicated by chiral HPLC analysis. Chiral separation followed by ECD calculations allowed to clarify the absolute configurations of all the antipodes. All the new compounds were evaluated for their biological properties toward extracellular matrix in rat renal proximal tubular cells, human cancer cells (K562, A549, and Huh7), EV71, ROCK2, JAK3, DDR1, and coagulation.
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Affiliation(s)
- Hong-Jie Zhu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, People's Republic of China
| | - Te Xu
- School of Pharmaceutical Sciences, Shenzhen University Health Science Center, Shenzhen, 518060, People's Republic of China
| | - Yong-Ming Yan
- School of Pharmaceutical Sciences, Shenzhen University Health Science Center, Shenzhen, 518060, People's Republic of China
| | - Zheng-Chao Tu
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, 510632, People's Republic of China
- Drug Discovery Pipeline & Guangdong Provincial Key Laboratory of Biocomputing, Guangzhou Institutes of Biomedicine and Health, Guangzhou, 510530, People's Republic of China
| | - Yong-Xian Cheng
- School of Pharmaceutical Sciences, Shenzhen University Health Science Center, Shenzhen, 518060, People's Republic of China.
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30
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Thapa P, Katila N, Choi DY, Choi H, Nam JW. Suntamide A, a neuroprotective cyclic peptide from Cicadidae Periostracum. Bioorg Chem 2020; 106:104493. [PMID: 33268010 DOI: 10.1016/j.bioorg.2020.104493] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 10/10/2020] [Accepted: 11/17/2020] [Indexed: 12/17/2022]
Abstract
Suntamide A (1), a new cyclic peptide, was isolated from Cicadidae Periostracum. The gross structure of 1 was elucidated by detailed analysis of HRMS and 1D/2D NMR spectra, and the absolute configuration was established by C3 Marfey's method. We extended our study to examine biological activity of 1, and found that 1 protected SH-SY5Y cells against rotenone-induced neurotoxicity. This effect of 1 seemed to be attributed to antioxidant induction and protection of mitochondria from rotenone-caused injury. Along with augmentation of the antioxidant system by 1, there was an evident activation of Nrf2, a transcription factor involved in the activation of the antioxidant system. These results indicate that 1 rescued the cells from rotenone-mediated neurotoxicity by enhancing antioxidant capacity via induction of Nrf2, suggesting that the compound could be used as a therapeutic intervention in neurodegenerative diseases such as Parkinson's disease.
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Affiliation(s)
- Punam Thapa
- College of Pharmacy, Yeungnam University, Gyeongsan-si, Gyeongsangbuk-do 38541, Republic of Korea
| | - Nikita Katila
- College of Pharmacy, Yeungnam University, Gyeongsan-si, Gyeongsangbuk-do 38541, Republic of Korea
| | - Dong-Young Choi
- College of Pharmacy, Yeungnam University, Gyeongsan-si, Gyeongsangbuk-do 38541, Republic of Korea.
| | - Hyukjae Choi
- College of Pharmacy, Yeungnam University, Gyeongsan-si, Gyeongsangbuk-do 38541, Republic of Korea; Research Institute of Cell Culture, Yeungnam University, Gyeongsangbuk-do 38531, Republic of Korea.
| | - Joo-Won Nam
- College of Pharmacy, Yeungnam University, Gyeongsan-si, Gyeongsangbuk-do 38541, Republic of Korea.
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31
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Zhu HJ, Xu T, Yan YM, Cheng YX. Nonpeptidal compounds from the insect Polyphaga plancyi and their biological evaluation. Bioorg Chem 2020; 104:104258. [PMID: 32956876 DOI: 10.1016/j.bioorg.2020.104258] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 08/12/2020] [Accepted: 08/28/2020] [Indexed: 11/29/2022]
Abstract
Five new nitrogen-containing compounds (1-3, 5, and 6), two compounds which was firstly isolated from natural origin (7 and 10), along with six known ones, were isolated from the ethanol extract of the whole bodies of Polyphaga plancyi. The structures of the new compounds including their absolute configurations at stereogenic centers were assigned on the basis of spectroscopic analyses and computational methods. Racemic 10 was separated by chiral HPLC. Biological activities of these isolates against extracellular matrix components in rat renal proximal tubular cells, EV71, COX-2, ROCK2, JAK3, and tuberculosis were evaluated. Importantly, 8 was found to be a selective Smad3 phosphorylation inhibitor.
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Affiliation(s)
- Hong-Jie Zhu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People's Republic of China
| | - Te Xu
- School of Pharmaceutical Sciences, Shenzhen University Health Science Center, Shenzhen 518060, People's Republic of China
| | - Yong-Ming Yan
- School of Pharmaceutical Sciences, Shenzhen University Health Science Center, Shenzhen 518060, People's Republic of China
| | - Yong-Xian Cheng
- School of Pharmaceutical Sciences, Shenzhen University Health Science Center, Shenzhen 518060, People's Republic of China.
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32
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Fernandes RA, Pathare RS, Gorve DA. Advances in Total Synthesis of Some 2,3,5-Trisubstituted Tetrahydrofuran Natural Products. Chem Asian J 2020; 15:2815-2837. [PMID: 32702201 DOI: 10.1002/asia.202000753] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/21/2020] [Indexed: 11/06/2022]
Abstract
2,3,5-Trisubstituted tetrahydrofuran moiety is ubiquitous in natural products. These have served as appealing candidates for total synthesis due to their varied bio- and pharmaceutical activities. This tutorial review delineates the ingenious efforts by many researchers in the total synthesis of selected natural products based on a common 2,3,5-trisubstituted tetrahydrofuran core structure. Many of the syntheses display nuanced interplay between new methods and the ingenuity of planned strategies achieved through catalysis or cascade chemistry. In some cases, the chiron approach has come quite handy, wherein the structural features and the stereochemistry in select molecules could map well with naturally available starting materials. This compilation also aims to enhance the diversity space based on these natural products and further interest in sustainable total synthesis.
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Affiliation(s)
- Rodney A Fernandes
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, Maharashtra, India
| | - Ramdas S Pathare
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, Maharashtra, India
| | - Dnyaneshwar A Gorve
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, Maharashtra, India
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33
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Noble K, Rohaj A, Abegglen LM, Schiffman JD. Cancer therapeutics inspired by defense mechanisms in the animal kingdom. Evol Appl 2020. [DOI: 10.1111/eva.12963] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Affiliation(s)
- Kathleen Noble
- Huntsman Cancer Institute University of Utah Salt Lake City Utah
| | - Aarushi Rohaj
- Huntsman Cancer Institute University of Utah Salt Lake City Utah
| | - Lisa M. Abegglen
- Huntsman Cancer Institute University of Utah Salt Lake City Utah
- Department of Pediatrics University of Utah Salt Lake City Utah
| | - Joshua D. Schiffman
- Huntsman Cancer Institute University of Utah Salt Lake City Utah
- Department of Pediatrics University of Utah Salt Lake City Utah
- PEEL Therapeutics, Inc. Salt Lake City Utah
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34
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Yan YM, Xu T, Tu ZC, Zhu HJ, Cheng YX. Sulfur and nitrogen-containing compounds from the whole bodies of Blaps japanensis. Bioorg Chem 2020; 102:104086. [PMID: 32688114 DOI: 10.1016/j.bioorg.2020.104086] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 06/25/2020] [Accepted: 07/07/2020] [Indexed: 12/17/2022]
Abstract
Pipajiains H-J (1-3), three new phenolic derivatives with an unusual sulfone group, pipajiamides A-C (4-6), three new amide derivatives, pipajiaine A (7), one new imidazole analogue, and pipajiaine B (8), a pair of new pyrrolidine derivatives, along with three known compounds were isolated from the insect Blaps japanensis. Their structures were identified by spectroscopic and computational methods. Chiral HPLC was used to separate the (-)- and (+)-antipodes of 4 and 8. Biological activities of all the new compounds against extracellular matrix in rat renal proximal tubular cells, human cancer cells (A549, Huh-7, and K562), COX-2, ROCK1, and JAK3 were evaluated. The results show that compounds 2, (+)-4, and (-)-4 are active against kidney fibrosis, whereas, compound 9 is active toward human cancer cells, inflammation, and JAK3 kinase.
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Affiliation(s)
- Yong-Ming Yan
- School of Pharmaceutical Sciences, Shenzhen University Health Science Center, Shenzhen 518060, People's Republic of China; State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People's Republic of China
| | - Te Xu
- School of Pharmaceutical Sciences, Shenzhen University Health Science Center, Shenzhen 518060, People's Republic of China
| | - Zheng-Chao Tu
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou 510632, People's Republic of China; Drug Discovery Pipeline & Guangdong Provincial Key Laboratory of Biocomputing, Guangzhou Institutes of Biomedicine and Health, Guangzhou 510530, People's Republic of China
| | - Hong-Jie Zhu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People's Republic of China
| | - Yong-Xian Cheng
- School of Pharmaceutical Sciences, Shenzhen University Health Science Center, Shenzhen 518060, People's Republic of China.
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35
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Lin S, He Y, Li F, Yang B, Liu M, Zhang S, Liu J, Li H, Qi C, Wang J, Hu Z, Zhang Y. Structurally diverse and bioactive alkaloids from an insect-derived fungus Neosartorya fischeri. PHYTOCHEMISTRY 2020; 175:112374. [PMID: 32315839 DOI: 10.1016/j.phytochem.2020.112374] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 04/04/2020] [Accepted: 04/04/2020] [Indexed: 06/11/2023]
Abstract
Seven undescribed alkaloids, namely fischeramides A and B, 5,6-dimethoxycircumdatin C, 6-hydroxyacetylaszonalenin, 3-methoxyglyantrypine, 9-methoxyfumitremorgin C, and spirotryprostatin M, one undescribed natural product, namely 11-deacetyl pyripyropene A, together with nine known congeners, were isolated from the solid cultures of fungus Neosartorya fischeri, which was separated from a medicinal insect Cryptotympana atrata. Their structures were elucidated by extensive spectroscopic data, electronic circular dichroism (ECD) calculations, and single-crystal X-ray diffraction analyses. Structurally, fischeramides A and B represented a pair of rare geometric isomers of the benzodiazepinedione derivatives with a highly conjugated feature. Fischeramide A showed potential immunosuppressive activity in LPS and anti-CD3/anti-CD28 mAbs activated murine splenocytes proliferation with IC50 values of 7.08 and 6.31 μM, respectively, and also showed anti-inflammatory activity against the lipopolysaccharide-induced nitric oxide production with an IC50 value of 25 ± 1 μM. In addition, 5,6-dimethoxycircumdatin C showed remarkable antibacterial activity against ESBL-producing E. coli with an MIC value of 2.0 μg/mL.
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Affiliation(s)
- Shuang Lin
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Yan He
- Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Fengli Li
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Beiye Yang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Mengting Liu
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Sitian Zhang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Junjun Liu
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Huaqiang Li
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Changxing Qi
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Jianping Wang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Zhengxi Hu
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China.
| | - Yonghui Zhang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China.
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Ding WY, Yan YM, Meng XH, Nafie LA, Xu T, Dukor RK, Qin HB, Cheng YX. Isolation, Total Synthesis, and Absolute Configuration Determination of Renoprotective Dimeric N-Acetyldopamine-Adenine Hybrids from the Insect Aspongopus chinensis. Org Lett 2020; 22:5726-5730. [PMID: 32525688 DOI: 10.1021/acs.orglett.0c01593] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Aspongdopamines A and B (1 and 2), unusual adducts composed of N-acetyldopamine and adenine were isolated from the insect Aspongopus chinensis. Compounds 1 and 2 are positional isomers both isolated as racemates. Chiral separation assisted by 14-step total synthesis and computation including vibrational circular dichroism calculations allowed us to unambiguously assign the absolute configurations of eight stereoisomers. Renal fibrosis inhibition of the stereoisomers was evaluated in TGF-β1-induced rat kidney epithelial cells.
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Affiliation(s)
- Wei-Yi Ding
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, P.R. China
| | - Yong-Ming Yan
- School of Pharmaceutical Sciences, Shenzhen University Health Science Center, Shenzhen 518060, P.R. China
| | - Xiao-Hui Meng
- School of Pharmaceutical Sciences, Shenzhen University Health Science Center, Shenzhen 518060, P.R. China
| | - Laurence A Nafie
- Department of Chemistry, Syracuse University, Syracuse, New York 13244-4100, United States
| | - Te Xu
- School of Pharmaceutical Sciences, Shenzhen University Health Science Center, Shenzhen 518060, P.R. China
| | - Rina K Dukor
- BioTools, Inc., 17546 Beeline Highway, Jupiter, Florida 33458, United States
| | - Hong-Bo Qin
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, P.R. China
| | - Yong-Xian Cheng
- School of Pharmaceutical Sciences, Shenzhen University Health Science Center, Shenzhen 518060, P.R. China
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Elizalde L, Arbetman M, Arnan X, Eggleton P, Leal IR, Lescano MN, Saez A, Werenkraut V, Pirk GI. The ecosystem services provided by social insects: traits, management tools and knowledge gaps. Biol Rev Camb Philos Soc 2020; 95:1418-1441. [PMID: 32525288 DOI: 10.1111/brv.12616] [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] [Received: 10/15/2019] [Revised: 05/06/2020] [Accepted: 05/08/2020] [Indexed: 12/16/2022]
Abstract
Social insects, i.e. ants, bees, wasps and termites, are key components of ecological communities, and are important ecosystem services (ESs) providers. Here, we review the literature in order to (i) analyse the particular traits of social insects that make them good suppliers of ESs; (ii) compile and assess management strategies that improve the services provided by social insects; and (iii) detect gaps in our knowledge about the services that social insects provide. Social insects provide at least 10 ESs; however, many of them are poorly understood or valued. Relevant traits of social insects include high biomass and numerical abundance, a diversity of mutualistic associations, the ability to build important biogenic structures, versatile production of chemical defences, the simultaneous delivery of several ESs, the presence of castes and division of labour, efficient communication and cooperation, the capacity to store food, and a long lifespan. All these characteristics enhance social insects as ES providers, highlighting their potential, constancy and efficiency as suppliers of these services. In turn, many of these traits make social insects stress tolerant and easy to manage, so increasing the ESs they provide. We emphasise the need for a conservation approach to the management of the services, as well as the potential use of social insects to help restore habitats degraded by human activities. In addition, we stress the need to evaluate both services and disservices in an integrated way, because some species of social insects are among the most problematic invasive species and native pests. Finally, we propose two areas of research that will lead to a greater and more efficient use of social insects as ES providers, and to a greater appreciation of them by producers and decision-makers.
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Affiliation(s)
- Luciana Elizalde
- LIHo - Laboratorio Ecotono, INIBIOMA-CONICET-Universidad Nacional del Comahue, Pasaje Gutiérrez 1125, Bariloche, 8400, Argentina
| | - Marina Arbetman
- Ecopol, INIBIOMA-CONICET - Universidad Nacional del Comahue, Pasaje Gutiérrez 1125, Bariloche, 8400, Argentina
| | - Xavier Arnan
- CREAF, Cerdanyola del Vallès, Catalunya, Barcelona, E-08193, Spain
| | - Paul Eggleton
- Life Sciences Department, The Natural History Museum, London, SW7 5BD, U.K
| | - Inara R Leal
- Departamento de Botânica, Universidade Federal de Pernambuco, Av. Prof. Moraes Rego, 1235 - Cidade Universitária, Recife, 50670-901, Brazil
| | - María Natalia Lescano
- LIHo - Laboratorio Ecotono, INIBIOMA-CONICET-Universidad Nacional del Comahue, Pasaje Gutiérrez 1125, Bariloche, 8400, Argentina
| | - Agustín Saez
- Ecopol, INIBIOMA-CONICET - Universidad Nacional del Comahue, Pasaje Gutiérrez 1125, Bariloche, 8400, Argentina
| | - Victoria Werenkraut
- LIHo - Laboratorio Ecotono, INIBIOMA-CONICET-Universidad Nacional del Comahue, Pasaje Gutiérrez 1125, Bariloche, 8400, Argentina
| | - Gabriela I Pirk
- LIHo - Laboratorio Ecotono, INIBIOMA-CONICET-Universidad Nacional del Comahue, Pasaje Gutiérrez 1125, Bariloche, 8400, Argentina
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Fernandes RA, Gorve DA, Pathare RS. Emergence of 2,3,5-trisubstituted tetrahydrofuran natural products and their synthesis. Org Biomol Chem 2020; 18:7002-7025. [PMID: 32966508 DOI: 10.1039/d0ob01542c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The emergence of various 2,3,5-trisubstituted tetrahydrofuran natural products in the recent literature and their synthesis is the focus of this review. These molecules exhibit varied bioactivities and have garnered the interest of several synthetic chemists owing to their efficient synthesis. A few of them have been synthesized and their absolute stereo structure has been confirmed for the first time. These will be appealing candidates in future synthetic investigations along with the untouched molecules. Thus, this compilation will reveal these molecules for expansion of their diversity within the realm of both synthesis and bioactivity studies.
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Affiliation(s)
- Rodney A Fernandes
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, Maharashtra, India.
| | - Dnyaneshwar A Gorve
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, Maharashtra, India.
| | - Ramdas S Pathare
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, Maharashtra, India.
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Loko LEY, Medegan Fagla S, Orobiyi A, Glinma B, Toffa J, Koukoui O, Djogbenou L, Gbaguidi F. Traditional knowledge of invertebrates used for medicine and magical-religious purposes by traditional healers and indigenous populations in the Plateau Department, Republic of Benin. JOURNAL OF ETHNOBIOLOGY AND ETHNOMEDICINE 2019; 15:66. [PMID: 31842934 PMCID: PMC6916055 DOI: 10.1186/s13002-019-0344-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 11/13/2019] [Indexed: 05/25/2023]
Abstract
BACKGROUND Since ancient times, invertebrates have played an important role in the traditional medicine in many parts of the world. In south-eastern Benin, more specifically in the Plateau Department, invertebrates are widely used in folk medicine. However, studies on their therapeutic use has been neglected and their magical-religious purposes are poorly understood. The present study aims to document traditional knowledge related to the use of invertebrates for medicinal and magical-religious purposes by traditional healers and indigenous people of Plateau Department. METHODS An ethno-sociological survey was conducted with 145 informants (80 traditional healers, 12 merchants of medicinal animals and 53 households) belonging to six ethnic groups, in 20 villages located in Plateau of Benin. Data were collected through the participatory rural appraisal method involving individual interviews and direct observations with semi-structured questionnaires. The collected data regarding various medicinal and magical-religious uses of invertebrates were analysed through informant consensus factor (ICF), use value (UV) and, fidelity level (FL). RESULTS A total of 20 families and 38 species of invertebrates, distributed among 6 taxonomic categories, were found to be used to treat 50 different ailments. Insects occupied 64.7% of the total invertebrates listed. The African earthworm Eudrilus eugeniae K. and African giant snail Achatina achatina L. had the highest use values. The highest ICF value (1.0) was cited for diseases of the blood or blood-forming organs. A principal component analysis (PCA) revealed the influence of ethnic groups in the diseases treated with invertebrates. The highest FL (100%) was recorded for 12 invertebrate species treating various ailments. Most of invertebrate-based remedies were associated with plant species. The mode of administration was mainly oral and topical. Most of the invertebrate drugs were traditionally collected in nature or imported, mainly from Nigeria. In addition, 7 magical-religious practices are documented. CONCLUSIONS Our results reveal that several invertebrate species play an important role in healing practices and magical-religious rituals in the Plateau Department. We suggest further studies to confirm the presence of any bioactive compounds on invertebrate species use in traditional medicine. In addition, this study highlights the need for ecological investigations of these species, in order to develop strategies for their conservation and sustainable use.
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Affiliation(s)
- Laura Estelle Yêyinou Loko
- Laboratory of Applied Entomology, Faculty of Sciences and Technology of Dassa (FAST-Dassa), National University of Sciences, Technologies, Engineering and Mathematics of Abomey (UNSTIM), BP 14 Dassa-Zoumé, Benin
| | - Sédami Medegan Fagla
- Medicinal and Organic Chemistry Laboratory, Faculty of Health Sciences, 01, BP 188 Cotonou, Benin
| | - Azize Orobiyi
- Laboratory of Applied Entomology, Faculty of Sciences and Technology of Dassa (FAST-Dassa), National University of Sciences, Technologies, Engineering and Mathematics of Abomey (UNSTIM), BP 14 Dassa-Zoumé, Benin
| | - Bienvenu Glinma
- Laboratory of Physics and Synthesis Organic Chemistry (LaCOPS), Faculty of Sciences and Techniques (FAST), University of Abomey-Calavi, BP 4521 Cotonou, Benin
| | - Joelle Toffa
- Laboratory of Applied Entomology, Faculty of Sciences and Technology of Dassa (FAST-Dassa), National University of Sciences, Technologies, Engineering and Mathematics of Abomey (UNSTIM), BP 14 Dassa-Zoumé, Benin
| | - Omédine Koukoui
- Laboratoire de Physiologie Animale de Signalisation Cellulaire et de Pharmacologie, FAST-Dassa, UNSTIM, BP 34 Dassa Zoumé, Benin
| | - Luc Djogbenou
- Laboratoire des maladies infectueuses à transmission vectorielle, Institut Régional de Santé Publique, University of Abomey-Calavi, BP 384 Ouidah, Benin
| | - Fernand Gbaguidi
- Medicinal and Organic Chemistry Laboratory, Faculty of Health Sciences, 01, BP 188 Cotonou, Benin
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Directed chemical spray of the peppermint stick insect (Megacrania batesii) is induced when predation risk is at its highest. J ETHOL 2019. [DOI: 10.1007/s10164-019-00619-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Dutta P, Sahu RK, Dey T, Lahkar MD, Manna P, Kalita J. Beneficial role of insect-derived bioactive components against inflammation and its associated complications (colitis and arthritis) and cancer. Chem Biol Interact 2019; 313:108824. [PMID: 31542397 DOI: 10.1016/j.cbi.2019.108824] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 08/19/2019] [Accepted: 09/16/2019] [Indexed: 12/12/2022]
Abstract
Insect-based bioactive components are emerging as novel sources of drugs, effective against various diseases. Inflammation is considered to be an innate immune response developed by different organisms against foreign pathogens and cellular stress. However, repetitive elevated inflammation is considered to be responsible for development of many other diseases including colitis and arthritis. Due to the limited activities and side effects of non-steroidal anti-inflammatory drugs, researchers are continuously looking for alternative sources of drug molecules to alleviate the inflammatory related complications. Recently, insect-based bioactive components, such as venoms, haemocytes, cecropin A, papiliocin, N-acetyldopamine dimers, cecropin-TY1 peptide, cop A3 peptide, glycosaminoglycan, coprisin peptide, silk fibroin microparticles, and silk fibroin nanoparticles have been found to be active against different inflammatory mechanisms and associated diseases. Cancers, are some of the deadliest diseases, which are mainly treated by chemotherapy, radiation therapy and surgery. However, such treatments, mainly chemotherapy, is associated with enormous side effects. Therefore, as an alternative, less hazardous option, compounds from insects with anti-cancerous activity are being explored. Insect-derived compounds, such as cantharidin, norcantharidin, isocoumarin, plancyols A, plancypyrazine A, pancratistatin, narciclasine, and ungeremine, show potential anti-cancerous activity. In this review, we will be discussing the role of different potential drug molecules of insect origin with special emphasis on anti-inflammation and their association with health disorders and cancer.
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Affiliation(s)
- Prachurjya Dutta
- Biological Science and Technology Division, CSIR-North East Institute of Science and Technology (CSIR-NEIST), Jorhat, 785006, Assam, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, Uttar Pradesh, India.
| | - Ravi Kumar Sahu
- Biological Science and Technology Division, CSIR-North East Institute of Science and Technology (CSIR-NEIST), Jorhat, 785006, Assam, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, Uttar Pradesh, India
| | - Tapan Dey
- Biological Science and Technology Division, CSIR-North East Institute of Science and Technology (CSIR-NEIST), Jorhat, 785006, Assam, India; Centre for Biotechnology and Bioinformatics, Dibrugarh University, Dibrugarh, 786004, Assam, India
| | - Manisha Datta Lahkar
- Biological Science and Technology Division, CSIR-North East Institute of Science and Technology (CSIR-NEIST), Jorhat, 785006, Assam, India
| | - Prasenjit Manna
- Biological Science and Technology Division, CSIR-North East Institute of Science and Technology (CSIR-NEIST), Jorhat, 785006, Assam, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, Uttar Pradesh, India
| | - Jatin Kalita
- Biological Science and Technology Division, CSIR-North East Institute of Science and Technology (CSIR-NEIST), Jorhat, 785006, Assam, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, Uttar Pradesh, India.
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Phenol-based millipede defence: antimicrobial activity of secretions from the Balkan endemic millipede Apfelbeckia insculpta (L. Koch, 1867) (Diplopoda: Callipodida). THE SCIENCE OF NATURE - NATURWISSENSCHAFTEN 2019; 106:37. [PMID: 31209578 DOI: 10.1007/s00114-019-1631-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Revised: 05/26/2019] [Accepted: 06/01/2019] [Indexed: 10/26/2022]
Abstract
Millipedes use an array of chemical compounds to defend themselves from predator attack. These chemical substances can have additional roles, i.e. defence against various pathogens. We evaluated the efficacy of the defensive secretion of Apfelbeckia insculpta (L. Koch, 1867) against bacteria, yeasts, and filamentous fungi. The tested secretion consisted of two compounds, p-cresol and phenol, and showed antibacterial, antibiofilm, and antifungal potential against all selected microorganisms. The most sensitive bacterium in our study was Pseudomonas aeruginosa, while the tested defensive secretion manifested the lowest activity against Escherichia coli. The defensive secretion of A. insculpta also showed an ability, albeit mild, to suppress biofilm formation by P. aeruginosa. Among the tested yeasts, Candida albicans and C. krusei were the most susceptible and most resistant species, respectively. Finally, the concentration of extracts obtained from the tested defensive secretion needed to achieve an antifungal effect was lowest in the case of Cladosporium cladosporioides. Fusarium verticillioides and Penicillium rubens were the micromycetes most resistant to the tested secretion. Our results indicate that antibacterial activity of the defensive secretion of A. insculpta is similar to or slightly weaker than that of streptomycin, while comparison with antimycotics showed that the tested millipede secretion has stronger activity than fluconazole, but weaker activity than nystatin and ketoconazole. The present study corroborates previous findings indicating that the defensive secretions of millipedes can have different roles apart from antipredator protection and are effective against pathogenic microorganisms.
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Kocyigit A, Guler EM, Kaleli S. Anti-inflammatory and antioxidative properties of honey bee venom on Freund's Complete Adjuvant-induced arthritis model in rats. Toxicon 2019; 161:4-11. [DOI: 10.1016/j.toxicon.2019.02.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 02/05/2019] [Accepted: 02/13/2019] [Indexed: 12/28/2022]
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Berlinck RGS, Monteiro AF, Bertonha AF, Bernardi DI, Gubiani JR, Slivinski J, Michaliski LF, Tonon LAC, Venancio VA, Freire VF. Approaches for the isolation and identification of hydrophilic, light-sensitive, volatile and minor natural products. Nat Prod Rep 2019; 36:981-1004. [DOI: 10.1039/c9np00009g] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Water-soluble, volatile, minor and photosensitive natural products are yet poorly known, and this review discusses the literature reporting the isolation strategies for some of these metabolites.
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Affiliation(s)
| | - Afif F. Monteiro
- Instituto de Química de São Carlos
- Universidade de São Paulo
- São Carlos
- Brazil
| | - Ariane F. Bertonha
- Instituto de Química de São Carlos
- Universidade de São Paulo
- São Carlos
- Brazil
| | - Darlon I. Bernardi
- Instituto de Química de São Carlos
- Universidade de São Paulo
- São Carlos
- Brazil
| | - Juliana R. Gubiani
- Instituto de Química de São Carlos
- Universidade de São Paulo
- São Carlos
- Brazil
| | - Juliano Slivinski
- Instituto de Química de São Carlos
- Universidade de São Paulo
- São Carlos
- Brazil
| | | | | | - Victor A. Venancio
- Instituto de Química de São Carlos
- Universidade de São Paulo
- São Carlos
- Brazil
| | - Vitor F. Freire
- Instituto de Química de São Carlos
- Universidade de São Paulo
- São Carlos
- Brazil
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Welfare Dilemmas Created by Keeping Insects in Captivity. Anim Welf 2019. [DOI: 10.1007/978-3-030-13947-6_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Fatima I, Kanwal S, Mahmood T. Natural Products Mediated Targeting of Virally Infected Cancer. Dose Response 2019; 17:1559325818813227. [PMID: 30670935 PMCID: PMC6328957 DOI: 10.1177/1559325818813227] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2018] [Revised: 10/01/2018] [Accepted: 10/10/2018] [Indexed: 12/18/2022] Open
Abstract
The role of viral infection in developing cancer was determined in the start of 20th century. Until now, 8 different virus-associated cancers have been discovered and most of them progressed in immunosuppressed individuals. The aim of the present study is to look into the benefits of natural products in treating virally infected cancers. The study focuses on bioactive compounds derived from natural sources. Numerous pharmaceutical agents have been identified from plants (vincristine, vinblastine, stilbenes, combretastatin, and silymarin), marine organisms (bryostatins, cephalostatin, ecteinascidins, didemnin, and dolastatin), insects (cantharidin, mastoparan, parectadial, and cecropins), and microorganisms (vancomycin, rhizoxin, ansamitocins, mitomycin, and rapamycin). Beside these, various compounds have been observed from fruits and vegetables which can be utilized in anticancer therapy. These include curcumin in turmeric, resveratrol in red grapes, S-allyl cysteine in allium, allicin in garlic, catechins in green tea, and β-carotene in carrots. The present study addresses various types of virally infected cancers, their mechanism of action, and the role of different cell surface molecules elicited during viral binding and entry into the target cell along with the anticancer drugs derived from natural products by targeting screening of bioactive compounds from natural sources.
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Affiliation(s)
- Iram Fatima
- Department of Plant Sciences, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Sobia Kanwal
- Department of Zoology, University of Gujrat Sub-campus Rawalpindi, Rawalpindi, Pakistan
| | - Tariq Mahmood
- Department of Plant Sciences, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
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Neo-5,22 E-Cholestadienol Derivatives from Buthus martensii Karsch and Targeted Bactericidal Action Mechanisms. Molecules 2018; 24:molecules24010072. [PMID: 30587799 PMCID: PMC6337218 DOI: 10.3390/molecules24010072] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2018] [Revised: 12/17/2018] [Accepted: 12/20/2018] [Indexed: 11/25/2022] Open
Abstract
The discovery and search for new antimicrobial molecules from insects and animals that live in polluted environments is a very important step in the scientific search for solutions to the current problem of antibiotic resistance. Previously, we have reported that the secondary metabolite with the antibacterial action discovered in scorpion. The current study further isolated three new compounds from Buthus martensii karsch, while compounds 1 and 2 possessed 5,22E-cholestadienol derivatives whose structure demonstrated broad spectrum bactericide activities. To explore the antibacterial properties of these new compounds, the result shows that compound 2 inhibited bacterial growth of both S. aureus and P. aeruginosa in a bactericidal rather than a bacteriostatic manner (MBC/MIC ratio ≤ 2). Similarly, with compound 1, a ratio of MBC/MIC ≤ 2 indicates bactericidal activity inhibited bacterial growth of P. aeruginosa. Remarkably, this suggests that two compounds can be classified as bactericidal agents against broad spectrum bactericide activities for 5,22E-cholestadienol derivatives from Buthus martensii karsch. The structures of compounds 1–3 were established by comprehensive spectra analysis including two-dimensional nuclear magnetic resonance (2D-NMR) and high-resolution electrospray ionization-mass spectrometry (HRESI-MS) spectra. The antibacterial mechanism is the specific binding (various of bonding forces between molecules) using compound 1 or 2 as a ligand based on the different receptor proteins’—2XRL or 1Q23—active sites from bacterial ribosome unit A, and thus prevent the synthesis of bacterial proteins. This unique mechanism avoids the cross-resistance issues of other antibacterial drugs.
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Policarpo IS, Vasconcellos A, Chaves TP, Raimundo JP, Medeiros ACD, Coutinho HDM, Alves RRN. Transference of bioactive compounds from support plants to the termites Constrictotermes cyphergaster (Isoptera). THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 639:921-928. [PMID: 29929330 DOI: 10.1016/j.scitotenv.2018.05.173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2018] [Revised: 05/14/2018] [Accepted: 05/14/2018] [Indexed: 06/08/2023]
Abstract
This study aims to investigate the microbiological potential of the termite species Constrictotermes cyphergaster (Silvestri, 1901) and its support plants. We collected five C. cyphergaster nests from three different support plant species. Microbiological assays were performed on these extracts using the serial microdilution method in triplicate to measure the minimum inhibitory concentration (MIC) of each microorganism for the analysed extract. The ethanol extracts of the termite C. cyphergaster showed no significant activity against strains of Staphylococcus aureus and Escherichia coli, with an MIC >1000 μg mL-1. Only the extracts of the nests and termites with the nest had the same MICs. These results were in contrast to the extracts of Spondias tuberosa (Umbuzeiro), Poincianella pyramidalis (Catingueira), and Amburana cearensis (Cumaru), which demonstrated significant activity against S. aureus with MICs <1000 μg mL-1. The modulating activity of the extracts tested in the present study demonstrated potentiation of most antibiotics across the bacterial strains tested when combined with the extracts for both S. aureus and E. coli. These results indicate that the extracts tested in the present study may be composed of animal and vegetable origins with the potential to modify the activity of antibiotics and thus may aid in antimicrobial therapy.
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Affiliation(s)
- Iamara Silva Policarpo
- Departamento de Sistemática e Ecologia, CCEN, Universidade Federal da Paraíba, Laboratório de Termitologia, 58051-900 João Pessoa, PB, Brazil
| | - Alexandre Vasconcellos
- Departamento de Sistemática e Ecologia, CCEN, Universidade Federal da Paraíba, Laboratório de Termitologia, 58051-900 João Pessoa, PB, Brazil
| | - Thiago Pereira Chaves
- Universidade Federal do Piauí, Campus Professora Cinobelina Elvas, Bom Jesus, PI 64900-000, Brazil
| | - Joanda Paolla Raimundo
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Estadual da Paraíba, Campina Grande, Paraíba 58.429-500, Brazil
| | - Ana Cláudia D Medeiros
- Laboratório de Desenvolvimento e Ensaios de Medicamentos, Centro de Ciências Biológicas e da Saúde, Universidade Estadual da Paraíba, Campina Grande, Paraíba 58.429-500, Brazil
| | - Henrique D M Coutinho
- Laboratório de Microbiologia e Biologia Molecular, Universidade Regional do Cariri, Crato, CE 63105-000, Brazil.
| | - Rômulo Romeu Nóbrega Alves
- Departamento de Biologia, Universidade Estadual da Paraíba, Laboratório de Termitologia, 58051-900 João Pessoa, PB, Brazil
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Bullitta S, Re GA, Manunta MDI, Piluzza G. Traditional knowledge about plant, animal, and mineral-based remedies to treat cattle, pigs, horses, and other domestic animals in the Mediterranean island of Sardinia. JOURNAL OF ETHNOBIOLOGY AND ETHNOMEDICINE 2018; 14:50. [PMID: 30029686 PMCID: PMC6054737 DOI: 10.1186/s13002-018-0250-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Accepted: 07/10/2018] [Indexed: 05/09/2023]
Abstract
BACKGROUND Mediterranean farmers traditionally utilized plants, animals, and minerals sourced locally to treat their animals. Research is needed to understand at what extent such knowledge of domestic animal care still survives and to document such traditions for further developments. METHODS We carried out our field study to recover ancient ethno-veterinary practices by means of questionnaires and interviews to farmers in rural areas of the Mediterranean island of Sardinia (Italy). Quantitative indices were used to evaluate the distribution and diversity of the acquired information. RESULTS We report here 98 sources (42 plant taxa, 14 animal-based substances, 15 minerals, and 27 other materials of various origin) emerged from the survey for the care of 41 ailments of cattle, pigs, and horses. Ethno-veterinary treatments, detailed in their formulations and applications, were used against ecto- and endo-parasites, gastrointestinal diseases, heart diseases, viral and bacterial diseases, wounds, sprains, and bruises. CONCLUSION Our survey can be useful to implement the use of phyto-therapeutics and other remedies of non-herbal origin for diseased animals, and, as elderly farmers held most of the knowledge, it can contribute to the conservation of Mediterranean ethno-veterinary knowledge.
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Affiliation(s)
- Simonetta Bullitta
- Istituto per il Sistema Produzione Animale in Ambiente Mediterraneo - CNR-ISPAAM, Traversa La Crucca 3, località Baldinca, 07100 Sassari, Italy
| | - Giovanni Antonio Re
- Istituto per il Sistema Produzione Animale in Ambiente Mediterraneo - CNR-ISPAAM, Traversa La Crucca 3, località Baldinca, 07100 Sassari, Italy
| | - Maria Domenica Iole Manunta
- Istituto per il Sistema Produzione Animale in Ambiente Mediterraneo - CNR-ISPAAM, Traversa La Crucca 3, località Baldinca, 07100 Sassari, Italy
- Present address: Wellcome Trust Centre for Cell Biology, University of Edinburgh, Edinburgh, UK
| | - Giovanna Piluzza
- Istituto per il Sistema Produzione Animale in Ambiente Mediterraneo - CNR-ISPAAM, Traversa La Crucca 3, località Baldinca, 07100 Sassari, Italy
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Wang Y, Cui P, Zhang Y, Yang Q, Zhang S. Augmentation of the antibacterial activities of Pt5-derived antimicrobial peptides (AMPs) by amino acid substitutions: Design of novel AMPs against MDR bacteria. FISH & SHELLFISH IMMUNOLOGY 2018; 77:100-111. [PMID: 29567140 DOI: 10.1016/j.fsi.2018.03.031] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 03/06/2018] [Accepted: 03/17/2018] [Indexed: 06/08/2023]
Abstract
The ever-growing concerns on multi-drug resistant (MDR) bacteria lead to urgent demands for novel antibiotics including antimicrobial peptides (AMPs). Pt5, a peptide consisting of the C-terminal 55 residues of zebrafish phosvitin, has been shown to function as an antibacterial agent. Here we used Pt5 as a template to design new AMPs by shortening the sequence and substituting with tryptophan (W) and lysine (K) at selected positions. Among the resultant Pt5-derived peptides, Pt5-1c showed the strongest antimicrobial activity against both Gram-negative and Gram-positive bacteria, including MDR bacteia, with the minimum inhibitory concentrations (MICs) ranging from 1.2 μM to 4.8 μM. Electron microscopic examination showed that Pt5-1c was able to kill the bacteria directly. ELISA revealed that Pt5-1c possessed high affinity to lipopolysaccharide (LPS), lipoteichoic acid (LTA) and peptidoglycan (PGN). Importantly, Pt5-1c was able to disrupt the bacterial membrane by a combined action of membrane depolarization and permeabilization, with little cytotoxicity to mammalian cells. Taken together, these findings suggest that Pt5-1c has considerable potential for future development as novel peptide antibiotics against MDR bacteria.
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Affiliation(s)
- Yashuo Wang
- Laboratory for Evolution & Development, Institute of Evolution & Marine Biodiversity, Qingdao 266003, China; Department of Marine Biology, Ocean University of China, Qingdao 266003, China
| | - Pengfei Cui
- Laboratory for Evolution & Development, Institute of Evolution & Marine Biodiversity, Qingdao 266003, China; Department of Marine Biology, Ocean University of China, Qingdao 266003, China
| | - Yubo Zhang
- Laboratory for Evolution & Development, Institute of Evolution & Marine Biodiversity, Qingdao 266003, China; Department of Marine Biology, Ocean University of China, Qingdao 266003, China
| | - Qingyun Yang
- Laboratory for Evolution & Development, Institute of Evolution & Marine Biodiversity, Qingdao 266003, China; Department of Marine Biology, Ocean University of China, Qingdao 266003, China
| | - Shicui Zhang
- Laboratory for Evolution & Development, Institute of Evolution & Marine Biodiversity, Qingdao 266003, China; Department of Marine Biology, Ocean University of China, Qingdao 266003, China.
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