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Alzahrani AR, Hosny N, Mohamed DI, Abo Nahas HH, Albogami A, Al-Hazani TMI, Ibrahim IAA, Falemban AH, Bamagous GA, Saied EM. Unveiling the multifaceted antiproliferative efficacy of Cichorium endivia root extract by dual modulation of apoptotic and inflammatory genes, inducing cell cycle arrest, and targeting COX-2. RSC Adv 2024; 14:19400-19427. [PMID: 38887636 PMCID: PMC11182420 DOI: 10.1039/d4ra02131b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Accepted: 06/10/2024] [Indexed: 06/20/2024] Open
Abstract
Chicory (Cichorium endivia L. divaricatum) is a renowned medicinal plant traditionally used for various ailments, yet the pharmacological potential of its roots, particularly in terms of antitumor activity, remains elusive. In the present study, we explore, for the first time, the metabolomic profile of ethanolic extract from Cichorium endivia roots (CIR) and further unveil its antiproliferative potential. The untargeted phytochemical analysis UPLC/T-TOF-MS/MS identified 131 metabolites in the CIR extract, covering acids, amino acids, flavonoids, alkaloids, nucleotides, and carbohydrates. The antiproliferative activity of the CIR extract was tested in 14 cancer cell lines, revealing significant cytotoxicity (IC50: 2.85-29.15 μg mL-1) and a high selectivity index. Among the cells examined, the CIR extract recorded the most potent antiproliferative activity and selectivity toward HepG2 and Panc-1 cells, with an IC50 of 2.85 μg mL-1 and 3.86 μg mL-1, respectively, and SI > 10. Insights into the mode of action of the antiproliferative activity revealed that CIR extract induces cell arrest in the S phase while diminishing cell distribution in the G0/G1 and G2/M phases in HepG-2 and Panc-1 cells. Flow cytometric and RT-PCR analysis revealed that the CIR extract significantly triggers apoptosis and modulates the expression of pro-apoptotic and anti-apoptotic genes. Furthermore, the CIR extract exhibited a pronounced anti-inflammatory activity, as evidenced by down-regulating key cytokines in LPS-induced RAW 264.7 cells and selectively inhibiting the COX-2 enzyme. Finally, the CIR extract showed a robust total antioxidant capacity, together with potent free radicals and metal scavenging properties, highlighting its role in alleviating oxidative stress. Taken together, this study highlights the multifaceted therapeutic potential of CIR extract as a natural-based antitumor supplement.
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Affiliation(s)
- Abdullah R Alzahrani
- Department of Pharmacology and Toxicology, Faculty of Medicine, Umm Al-Qura University Makkah Saudi Arabia
| | - Nora Hosny
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Suez Canal University Ismailia 41522 Egypt
- Center of Excellence in Molecular and Cellular Medicine, Faculty of Medicine, Suez Canal University Ismailia Egypt
| | - Doaa I Mohamed
- Department of Clinical Pharmacology and Therapeutics, Faculty of Medicine, Ain Shams University Cairo 11566 Egypt
| | | | - Abdulaziz Albogami
- Biology Department, Faculty of Science, Al-Baha University Al Aqiq Saudi Arabia
| | - Tahani Mohamed Ibrahim Al-Hazani
- Biology Department, College of Science and Humanities, Prince Sattam bin Abdulaziz University P. O. Box: 83 Al-Kharj 11940 Saudi Arabia
| | - Ibrahim Abdel Aziz Ibrahim
- Department of Pharmacology and Toxicology, Faculty of Medicine, Umm Al-Qura University Makkah Saudi Arabia
| | - Alaa Hisham Falemban
- Department of Pharmacology and Toxicology, Faculty of Medicine, Umm Al-Qura University Makkah Saudi Arabia
| | - Ghazi A Bamagous
- Department of Pharmacology and Toxicology, Faculty of Medicine, Umm Al-Qura University Makkah Saudi Arabia
| | - Essa M Saied
- Chemistry Department, Faculty of Science, Suez Canal University 41522 Ismailia Egypt
- Institute for Chemistry, Humboldt Universität zu Berlin 12489 Berlin Germany
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Feng L, Shi Y, Zou J, Zhang X, Zhai B, Guo D, Sun J, Wang M, Luan F. Recent advances in Platycodon grandiflorum polysaccharides: Preparation techniques, structural features, and bioactivities. Int J Biol Macromol 2024; 259:129047. [PMID: 38171434 DOI: 10.1016/j.ijbiomac.2023.129047] [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: 10/21/2023] [Revised: 12/22/2023] [Accepted: 12/23/2023] [Indexed: 01/05/2024]
Abstract
Platycodon grandiflorum, a globally recognized medicinal and edible plant, possesses significant nutritional value and pharmacological value. In traditional Chinese medicine, it has the effects of tonifying the spleen and replenishing the Qi, moistening the lung and relieving the cough, clearing the heat and detoxifying, and relieving the pain. Accumulating evidence has revealed that the polysaccharides from P. grandiflorum (PGPs) are one of the major and representative biologically active macromolecules and have diverse biological activities, such as immunomodulatory activity, anti-inflammatory activity, anti-tumor activity, regulation of the gut microbiota, anti-oxidant activity, anti-apoptosis activity, anti-angiogenesis activity, hypoglycemic activity, anti-microbial activity, and so on. Although the polysaccharides extracted from P. grandiflorum have been extensively studied for the extraction and purification methods, structural characteristics, and pharmacological activities, the knowledge of their structures and bioactivity relationship, toxicologic effects, and pharmacokinetic profile is limited. The main purpose of the present review is to provide comprehensively and systematically reorganized information on extraction and purification, structure characterizations, and biological functions as well as toxicities of PGPs to support their therapeutic potentials and sanitarian functions. New valuable insights for future research regarding PGPs were also proposed in the fields of therapeutic agents and functional foods.
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Affiliation(s)
- Lile Feng
- Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New Drugs Research, School of Pharmacy, Shaanxi University of Chinese Medicine, Xi'an 712046, Shaanxi, PR China
| | - Yajun Shi
- Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New Drugs Research, School of Pharmacy, Shaanxi University of Chinese Medicine, Xi'an 712046, Shaanxi, PR China
| | - Junbo Zou
- Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New Drugs Research, School of Pharmacy, Shaanxi University of Chinese Medicine, Xi'an 712046, Shaanxi, PR China
| | - Xiaofei Zhang
- Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New Drugs Research, School of Pharmacy, Shaanxi University of Chinese Medicine, Xi'an 712046, Shaanxi, PR China
| | - Bingtao Zhai
- Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New Drugs Research, School of Pharmacy, Shaanxi University of Chinese Medicine, Xi'an 712046, Shaanxi, PR China
| | - Dongyan Guo
- Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New Drugs Research, School of Pharmacy, Shaanxi University of Chinese Medicine, Xi'an 712046, Shaanxi, PR China
| | - Jing Sun
- Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New Drugs Research, School of Pharmacy, Shaanxi University of Chinese Medicine, Xi'an 712046, Shaanxi, PR China
| | - Mei Wang
- Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New Drugs Research, School of Pharmacy, Shaanxi University of Chinese Medicine, Xi'an 712046, Shaanxi, PR China
| | - Fei Luan
- Shaanxi Key Laboratory of Chinese Medicine Fundamentals and New Drugs Research, School of Pharmacy, Shaanxi University of Chinese Medicine, Xi'an 712046, Shaanxi, PR China.
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Ali I, Chemen ME, Piccini LE, Mukherjee S, Jana S, Damonte EB, Ray B, Garcia CC, Ray S. Chemically modified galactans of Grateloupia indica: From production to in vitro antiviral activity. Int J Biol Macromol 2024; 258:128824. [PMID: 38103665 DOI: 10.1016/j.ijbiomac.2023.128824] [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: 06/25/2023] [Revised: 11/16/2023] [Accepted: 12/13/2023] [Indexed: 12/19/2023]
Abstract
Herpes simplex viruses (HSVs) have an affinity for heparan sulfate proteoglycans on cell surfaces, which is a determinant for virus entry. Herein, several sulfated galactans that mimic the active domain of the entry receptor were employed to prevent HSV infection. They were produced from Grateloupia indica using chlorosulfonic acid-pyridine (ClSO3H.Py)/N,N-dimethylformamide reagent (fraction G-402), SO3.Py/DMF reagent (G-403), or by aqueous extraction (G-401). These galactans contained varied molecular masses (33-55 kDa), and sulfate contents (12-20 %), and have different antiviral activities. Especially, the galactan (G-402) generated by using ClSO3H.Py/DMF, a novel reagent, exhibited the highest level of antiviral activity (EC50 = 0.36 μg/mL) compared to G-403 (EC50 = 15.6 μg/mL) and G-401 (EC50 = 17.9 μg/mL). This most active sulfated galactan possessed a linear chain containing β-(1 → 3)- and α-(1 → 4)-linked Galp units with sulfate group at the O-2/4/6 and O-2/3/6 positions, respectively. The HSV-1 and HSV-2 strains were specifically inhibited by this novel 33 ± 15 kDa galactan, which also blocked the virus from entering the host cell. These results highlight the significant potential of this sulfated galactan for antiviral research and drug development. Additionally, the reagent used for the effective conversion of galactan hydroxy groups to sulfate during extraction may also be useful for the chemical transformation of other natural products.
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Affiliation(s)
- Imran Ali
- Department of Chemistry, The University of Burdwan, Burdwan, West Bengal, India
| | - Mathias E Chemen
- Laboratorio de Virología, Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales UBA, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), UBA-CONICET, Ciudad Universitaria, Pabellón 2 Piso, 4, 1428 Buenos Aires, Argentina
| | - Luana E Piccini
- Laboratorio de Virología, Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales UBA, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), UBA-CONICET, Ciudad Universitaria, Pabellón 2 Piso, 4, 1428 Buenos Aires, Argentina
| | - Shuvam Mukherjee
- Department of Chemistry, The University of Burdwan, Burdwan, West Bengal, India
| | - Subrata Jana
- Department of Chemistry, The University of Burdwan, Burdwan, West Bengal, India
| | - Elsa B Damonte
- Laboratorio de Virología, Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales UBA, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), UBA-CONICET, Ciudad Universitaria, Pabellón 2 Piso, 4, 1428 Buenos Aires, Argentina
| | - Bimalendu Ray
- Department of Chemistry, The University of Burdwan, Burdwan, West Bengal, India
| | - Cybele C Garcia
- Laboratorio de Virología, Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales UBA, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), UBA-CONICET, Ciudad Universitaria, Pabellón 2 Piso, 4, 1428 Buenos Aires, Argentina
| | - Sayani Ray
- Department of Chemistry, The University of Burdwan, Burdwan, West Bengal, India.
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Wang Y, Zhao X, Qin Q, Cai B, Wei S. Polysaccharides derived from Spirulina platensis inhibited Singapore grouper iridovirus by impeding the entry of viral particles. Int J Biol Macromol 2024; 258:128860. [PMID: 38123030 DOI: 10.1016/j.ijbiomac.2023.128860] [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: 09/24/2023] [Revised: 12/01/2023] [Accepted: 12/15/2023] [Indexed: 12/23/2023]
Abstract
Attributable to the rapid dissemination and high lethality of Singapore grouper iridovirus (SGIV), it has caused significant economic losses for marine fish aquaculture in China and Southeast Asian nations. Hence, there is an urgent need to find antiviral drugs that are both safe and effective. In this study, a novel heteropolysaccharide named Spirulina platensis polysaccharides (SPP) was purified and characterized from S. platensis. The molecular weight of SPP is 276 kDa and it mainly consists of Glc and Rha, followed by minor components such as Gal, Xyl, and Fuc. The backbone of SPP was determined to be →2) -β-Rhap-(1 → 4) -α-Fucp-(1 → [2) -α-Rhap-(1] 2[→6)-α-Glcp-(1] 4[→ 4) -α-Glcp-(1] 8[→ 4) -β-Glcp-(1]2→, with branches of β-Galp, α-Xylp and α-Glcp. SPP significantly inhibited SGIV-induced cytopathic effects (CPEs), viral gene replication and viral protein expression. The antiviral mechanism of SPP was associated with the disruption of SGIV entry to host cells. Furthermore, it was not observed that SPP made statistically significant impact on the expression of interferon-related cytokines. Our results offered novel insights into the potential utilization of spirulina polysaccharides for combating aquatic animal viruses.
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Affiliation(s)
- Yuexuan Wang
- College of Marine Sciences, South China Agricultural University, Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China
| | - Xiangtan Zhao
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, China
| | - Qiwei Qin
- College of Marine Sciences, South China Agricultural University, Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China; Nansha-South China Agricultural University Fishery Research Institute, Guangzhou 511457, China; Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai 528478, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266000, China
| | - Bingna Cai
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, China.
| | - Shina Wei
- College of Marine Sciences, South China Agricultural University, Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China; Nansha-South China Agricultural University Fishery Research Institute, Guangzhou 511457, China.
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Veeragoni D, Deshpande SS, Singh V, Misra S, Mutheneni SR. In vitro and in vivo antimalarial activity of green synthesized silver nanoparticles using Sargassum tenerrimum - a marine seaweed. Acta Trop 2023; 245:106982. [PMID: 37406792 DOI: 10.1016/j.actatropica.2023.106982] [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: 05/12/2023] [Revised: 06/29/2023] [Accepted: 07/02/2023] [Indexed: 07/07/2023]
Abstract
Green nanotechnology has recently attracted a lot of attention as a potential technique for drug development. In the present study, silver nanoparticles were synthesised by using Sargassum tenerrimum, a marine seaweed crude extract (Ag-ST), and evaluated for antimalarial activity in both in vitro and in vivo models. The results showed that Ag-ST nanoparticles exhibited good antiplasmodial activity with IC50 values 7.71±0.39 µg/ml and 23.93±2.27 µg/ml against P. falciparum and P. berghei respectively. These nanoparticles also showed less haemolysis activity suggesting their possible use in therapeutics. Further, P. berghei infected C57BL/6 mice were used for the four-day suppressive, curative and prophylactic assays where it was noticed that the Ag-ST nanoparticles significantly reduced the parasitaemia and there were no toxic effects observed in the biochemical and haematological parameters. Further to understand its possible toxic effects, both in vitro and in vivo genotoxicological studies were performed which revealed that these nanoparticles are non-genotoxic in nature. The possible antimalarial activity of Ag-ST may be due to the presence of bioactive phytochemicals and silver ions. Moreover, the phytochemicals prevent the nonspecific release of ions responsible for low genotoxicity. Together, the bio-efficacy and toxicology outcomes demonstrated that the green synthesized silver nanoparticles (Ag-ST) could be a cutting-edge alternative for therapeutic applications.
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Affiliation(s)
- Dileepkumar Veeragoni
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Uppal Road, Tarnaka, Hyderabad 500007, Telangana, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Shruti S Deshpande
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Uppal Road, Tarnaka, Hyderabad 500007, Telangana, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Vineeta Singh
- Parasite and Host Biology Group, ICMR-National Institute of Malaria Research, Dwarka, New Delhi, India
| | - Sunil Misra
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Uppal Road, Tarnaka, Hyderabad 500007, Telangana, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India.
| | - Srinivasa Rao Mutheneni
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Uppal Road, Tarnaka, Hyderabad 500007, Telangana, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India.
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Zamboni F, Wong CK, Collins MN. Hyaluronic acid association with bacterial, fungal and viral infections: Can hyaluronic acid be used as an antimicrobial polymer for biomedical and pharmaceutical applications? Bioact Mater 2023; 19:458-473. [PMID: 35574061 PMCID: PMC9079116 DOI: 10.1016/j.bioactmat.2022.04.023] [Citation(s) in RCA: 34] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 04/05/2022] [Accepted: 04/23/2022] [Indexed: 12/21/2022] Open
Abstract
The relationships between hyaluronic acid (HA) and pathological microorganisms incite new understandings on microbial infection, tissue penetration, disease progression and lastly, potential treatments. These understandings are important for the advancement of next generation antimicrobial therapeutical strategies for the control of healthcare-associated infections. Herein, this review will focus on the interplay between HA, bacteria, fungi, and viruses. This review will also comprehensively detail and discuss the antimicrobial activity displayed by various HA molecular weights for a variety of biomedical and pharmaceutical applications, including microbiology, pharmaceutics, and tissue engineering.
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Affiliation(s)
- Fernanda Zamboni
- Bernal Institute, School of Engineering, University of Limerick, Ireland
- Health Research Institute, University of Limerick, Ireland
| | - Chun Kwok Wong
- Department of Chemical Pathology, The Chinese University of Hong Kong, Hong Kong Special Administrative Region
| | - Maurice N. Collins
- Bernal Institute, School of Engineering, University of Limerick, Ireland
- Health Research Institute, University of Limerick, Ireland
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Manjunatha L, Rajashekara H, Uppala LS, Ambika DS, Patil B, Shankarappa KS, Nath VS, Kavitha TR, Mishra AK. Mechanisms of Microbial Plant Protection and Control of Plant Viruses. PLANTS (BASEL, SWITZERLAND) 2022; 11:3449. [PMID: 36559558 PMCID: PMC9785281 DOI: 10.3390/plants11243449] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 11/10/2022] [Accepted: 12/02/2022] [Indexed: 06/17/2023]
Abstract
Plant viral diseases are major constraints causing significant yield losses worldwide in agricultural and horticultural crops. The commonly used methods cannot eliminate viral load in infected plants. Many unconventional methods are presently being employed to prevent viral infection; however, every time, these methods are not found promising. As a result, it is critical to identify the most promising and sustainable management strategies for economically important plant viral diseases. The genetic makeup of 90 percent of viral diseases constitutes a single-stranded RNA; the most promising way for management of any RNA viruses is through use ribonucleases. The scope of involving beneficial microbial organisms in the integrated management of viral diseases is of the utmost importance and is highly imperative. This review highlights the importance of prokaryotic plant growth-promoting rhizobacteria/endophytic bacteria, actinomycetes, and fungal organisms, as well as their possible mechanisms for suppressing viral infection in plants via cross-protection, ISR, and the accumulation of defensive enzymes, phenolic compounds, lipopeptides, protease, and RNase activity against plant virus infection.
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Affiliation(s)
- Lakshmaiah Manjunatha
- Division of Crop Protection, ICAR-Indian Institute of Horticultural Research (IIHR), Bengaluru 560089, Karnataka, India
| | - Hosahatti Rajashekara
- Division of Crop Protection, ICAR-Directorate of Cashew Research (DCR), Dakshina Kannada 574202, Karnataka, India
| | - Leela Saisree Uppala
- Cranberry Station, East Wareham, University of Massachusetts, Amherst, MA 02538, USA
| | - Dasannanamalige Siddesh Ambika
- Department of Plant Pathology, College of Horticulture, University of Horticultural Sciences (Bagalkot), Bengaluru 560065, Karnataka, India
| | - Balanagouda Patil
- Department of Plant Pathology, University of Agricultural and Horticultural Sciences, Shivamogga 577255, Karnataka, India
| | - Kodegandlu Subbanna Shankarappa
- Department of Plant Pathology, College of Horticulture, University of Horticultural Sciences (Bagalkot), Bengaluru 560065, Karnataka, India
| | | | - Tiptur Rooplanaik Kavitha
- Department of Plant Pathology, University of Agricultural Sciences, GKVK, Bengaluru 560065, Karnataka, India
| | - Ajay Kumar Mishra
- Khalifa Centre for Genetic Engineering and Biotechnology, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates
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Bell V, Silva CRPG, Guina J, Fernandes TH. Mushrooms as future generation healthy foods. Front Nutr 2022; 9:1050099. [PMID: 36562045 PMCID: PMC9763630 DOI: 10.3389/fnut.2022.1050099] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 11/08/2022] [Indexed: 12/12/2022] Open
Abstract
The potential of edible mushrooms as an unexploited treasure trove, although rarely included in known food guidelines, is highlighted. Their role in shielding people against the side effects of an unhealthy stylish diet is reviewed. Mushrooms complement the human diet with various bioactive molecules not identified or deficient in foodstuffs of plant and animal sources, being considered a functional food for the prevention of several human diseases. Mushrooms have been widely used as medicinal products for more than 2,000 years, but globally the potential field of use of wild mushrooms has been untapped. There is a broad range of edible mushrooms which remain poorly identified or even unreported which is a valuable pool as sources of bioactive compounds for biopharma utilization and new dietary supplements. Some unique elements of mushrooms and their role in preventative healthcare are emphasized, through their positive impact on the immune system. The potential of mushrooms as antiviral, anti-inflammatory, anti-neoplastic, and other health concerns is discussed. Mushrooms incorporate top sources of non-digestible oligosaccharides, and ergothioneine, which humans are unable to synthesize, the later a unique antioxidant, cytoprotective, and anti-inflammatory element, with therapeutic potential, approved by world food agencies. The prebiotic activity of mushrooms beneficially affects gut homeostasis performance and the balance of gut microbiota is enhanced. Several recent studies on neurological impact and contribution to the growth of nerve and brain cells are mentioned. Indeed, mushrooms as functional foods' nutraceuticals are presently regarded as next-generation foods, supporting health and wellness, and are promising prophylactic or therapeutic agents.
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Affiliation(s)
- V. Bell
- Faculty of Pharmacy, University of Coimbra, Pólo das Ciências da Saúde, Coimbra, Portugal
| | - C. R. P. G. Silva
- Department of Health and Social Care, School of Health and Care Management, Arden University, Coventry, United Kingdom
| | - J. Guina
- Instituto Superior de Estudos Universitários de Nampula (ISEUNA), Universidade a Politécnica, Nampula, Mozambique
| | - T. H. Fernandes
- CIISA—Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), University of Lisbon, Lisbon, Portugal
- Centro de Estudos Interdisciplinares Lurio (CEIL), Lúrio University, Nampula, Mozambique
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Generalov EA, Simonenko EY, Kulchenko NG, Yakovenko LV. [Molecular basis of biological activity of polysaccharides in COVID-19 associated conditions]. BIOMEDITSINSKAIA KHIMIIA 2022; 68:403-418. [PMID: 36573407 DOI: 10.18097/pbmc20226806403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The review considers the main molecular biological features of the COVID-19 causative agent, the SARS-CoV-2 virus: life cycle, viral cell penetration strategies, interactions of viral proteins with human proteins, cytopathic effects. We also analyze pathological conditions that occur both during the course of the COVID-19 disease and after virus elimination. A brief review of the biological activities of polysaccharides isolated from various sources is given, and possible molecular biological mechanisms of these activities are considered. Data analysis shows that polysaccharides are a class of biological molecules with wide potential for use in the treatment of both acute conditions in COVID-19 and post-COVID syndrome.
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Affiliation(s)
- E A Generalov
- Faculty of Physics, M.V. Lomonosov Moscow State University, Moscow, Russia; Faculty of Medicine, Moscow University for Industry and Finance "Synergy", Moscow, Russia
| | - E Yu Simonenko
- Faculty of Physics, M.V. Lomonosov Moscow State University, Moscow, Russia
| | - N G Kulchenko
- Medical Institute of the Peoples' Friendship University of Russia, Moscow, Russia
| | - L V Yakovenko
- Faculty of Physics, M.V. Lomonosov Moscow State University, Moscow, Russia
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Gong P, Long H, Guo Y, Wang S, Chen F, Chen X. Isolation, Structural Characterization, and Hypoglycemic Activities In Vitro of Polysaccharides from Pleurotus eryngii. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27207140. [PMID: 36296732 PMCID: PMC9609144 DOI: 10.3390/molecules27207140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 10/17/2022] [Accepted: 10/18/2022] [Indexed: 11/07/2022]
Abstract
Pleurotus eryngii (PE) is an edible mushroom with high nutritional value. Pleurotus eryngii polysaccharides (PEPs) are one of the main active ingredients and manifest a great variety of biological activities. This study mainly focused on the chemical characterization and biological activities of PEPs, which were separated into two fractions (named WPS and P-1). WPS is mainly dominated by β-glycosidic bonds and contains α-glycosidic bonds, and P-1 only contains α-glycosidic bonds. The molecular weights of WPS and P-1 were 4.5 × 105 Da and 2.2 × 104 Da. The result of GC indicated that two the fractions were composed of rhamnose, arabinose, xylose, mannose, glucose, and galactose, with a ratio of 0.35:0.24:0.45:0.24:28.78:1.10 for WPS and 0.95:0.64:0.66:1.84:60.69:0.67 for P-1. The advanced structure studies indicated that the two fractions had no triple-helical structure, where WPS had a dense structure and P-1 had a loose structure. In addition, the antioxidant activity of WPS surpassed P-1, and the two fractions also exhibited a high hypoglycemic activity via inhibiting α-glycosidase activities and promoting the expression of PI3K-AKT signaling pathway based on in vitro assay and cell experiments.
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Affiliation(s)
- Pin Gong
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China
| | - Hui Long
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China
| | - Yuxi Guo
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China
| | - Siyuan Wang
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China
| | - Fuxin Chen
- School of Chemistry and Chemical Engineering, Xi’an University of Science and Technology, Xi’an 710054, China
| | - Xuefeng Chen
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China
- Correspondence: ; Tel.: +86-13772196479
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Ballarini S, Ardusso L, Ortega Martell JA, Sacco O, Feleszko W, Rossi GA. Can bacterial lysates be useful in prevention of viral respiratory infections in childhood? The results of experimental OM-85 studies. Front Pediatr 2022; 10:1051079. [PMID: 36479289 PMCID: PMC9720385 DOI: 10.3389/fped.2022.1051079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 10/24/2022] [Indexed: 11/22/2022] Open
Abstract
Respiratory tract infections (RTI) are mainly viral in origin and among the leading cause of childhood morbidity globally. Associated wheezing illness and asthma are still a clear unmet medical need. Despite the continuous progress in understanding the processes involved in their pathogenesis, preventive measures and treatments failed to demonstrate any significant disease-modifying effect. However, in the last decades it was understood that early-life exposure to microbes, may reduce the risk of infectious and allergic disorders, increasing the immune response efficacy. These results suggested that treatment with bacterial lysates (BLs) acting on gut microbiota, could promote a heterologous immunomodulation useful in the prevention of recurrent RTIs and of wheezing inception and persistence. This hypothesis has been supported by clinical and experimental studies showing the reduction of RTI frequency and severity in childhood after oral BL prophylaxis and elucidating the involved mechanisms. OM-85 is the product whose anti-viral effects have been most extensively studied in vitro, animal, and human cell studies and in translational animal infection/disease models. The results of the latter studies, describing the potential immune training-based activities of such BL, leading to the protection against respiratory viruses, will be reported. In response to human rhinovirus, influenza virus, respiratory syncytial virus and severe acute respiratory coronavirus-2, OM-85 was effective in modulating the structure and the functions of a large numbers of airways epithelial and immune cells, when administered both orally and intranasally.
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Affiliation(s)
| | - Ledit Ardusso
- Allergy and Immunology Department, Rosario School of Medicine, National University of Rosario, Rosario, Argentina
| | | | - Oliviero Sacco
- Department of Pediatrics, Pulmonary and Allergy Disease Unit, G. Gaslini University Hospital, Genoa, Italy
| | - Wojciech Feleszko
- Department of Pediatric Pulmonology and Allergy, The Medical University Children's Hospital, Warszawa, Poland
| | - Giovanni A Rossi
- Department of Pediatrics, Unit of Pediatrics Pulmonology and Respiratory Endoscopy, G. Gaslini Hospital, Genoa, Italy
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