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Memariani H, Memariani M, Ghasemian A. Quercetin as a Promising Antiprotozoan Phytochemical: Current Knowledge and Future Research Avenues. BIOMED RESEARCH INTERNATIONAL 2024; 2024:7632408. [PMID: 38456097 PMCID: PMC10919984 DOI: 10.1155/2024/7632408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 01/20/2024] [Accepted: 02/12/2024] [Indexed: 03/09/2024]
Abstract
Despite tremendous advances in the prevention and treatment of infectious diseases, only few antiparasitic drugs have been developed to date. Protozoan infections such as malaria, leishmaniasis, and trypanosomiasis continue to exact an enormous toll on public health worldwide, underscoring the need to discover novel antiprotozoan drugs. Recently, there has been an explosion of research into the antiprotozoan properties of quercetin, one of the most abundant flavonoids in the human diet. In this review, we tried to consolidate the current knowledge on the antiprotozoal effects of quercetin and to provide the most fruitful avenues for future research. Quercetin exerts potent antiprotozoan activity against a broad spectrum of pathogens such as Leishmania spp., Trypanosoma spp., Plasmodium spp., Cryptosporidium spp., Trichomonas spp., and Toxoplasma gondii. In addition to its immunomodulatory roles, quercetin disrupts mitochondrial function, induces apoptotic/necrotic cell death, impairs iron uptake, inhibits multiple enzymes involved in fatty acid synthesis and the glycolytic pathways, suppresses the activity of DNA topoisomerases, and downregulates the expression of various heat shock proteins in these pathogens. In vivo studies also show that quercetin is effective in reducing parasitic loads, histopathological damage, and mortality in animals. Future research should focus on designing effective drug delivery systems to increase the oral bioavailability of quercetin. Incorporating quercetin into various nanocarrier systems would be a promising approach to manage localized cutaneous infections. Nevertheless, clinical trials are needed to validate the efficacy of quercetin in treating various protozoan infections.
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Affiliation(s)
- Hamed Memariani
- Department of Medical Microbiology, Tehran University of Medical Sciences, Tehran, Iran
| | - Mojtaba Memariani
- Department of Medical Microbiology, Tehran University of Medical Sciences, Tehran, Iran
| | - Abdolmajid Ghasemian
- Noncommunicable Diseases Research Center, Fasa University of Medical Sciences, Fasa, Iran
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Singh R, Singh R, Srihari V, Makde RD. In Vitro Investigation Unveiling New Insights into the Antimalarial Mechanism of Chloroquine: Role in Perturbing Nucleation Events during Heme to β-Hematin Transformation. ACS Infect Dis 2023; 9:1647-1657. [PMID: 37471056 DOI: 10.1021/acsinfecdis.3c00278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/21/2023]
Abstract
Malaria parasites generate toxic heme during hemoglobin digestion, which is neutralized by crystallizing into inert hemozoin (β-hematin). Chloroquine blocks this detoxification process, resulting in heme-mediated toxicity in malaria parasites. However, the exact mechanism of chloroquine's action remains unknown. This study investigates the impact of chloroquine on the transformation of heme into β-hematin. The results show that chloroquine does not completely halt the transformation process but rather slows it down. Additionally, chloroquine complexation with free heme does not affect substrate availability or inhibit β-hematin formation. Scanning electron microscopy (SEM) and X-ray powder diffraction (XRD) studies indicate that the size of β-hematin crystal particles and crystallites increases in the presence of chloroquine, suggesting that chloroquine does not impede crystal growth. These findings suggest that chloroquine delays hemozoin production by perturbing the nucleation events of crystals and/or the stability of crystal nuclei. Thus, contrary to prevailing beliefs, this study provides a new perspective on the working mechanism of chloroquine.
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Affiliation(s)
- Rahul Singh
- Beamline Development and Application Section, Bhabha Atomic Research Centre, Mumbai 400085, India
- Homi Bhabha National Institute, Mumbai 400085, India
| | - Rashmi Singh
- Laser & Functional Materials Division, Raja Ramanna Centre for Advanced Technology, Indore 452013, India
| | - Velaga Srihari
- High Pressure and Synchrotron Radiation Physics Division, Bhabha Atomic Research Centre, Mumbai 40008, Maharashtra, India
| | - Ravindra D Makde
- Beamline Development and Application Section, Bhabha Atomic Research Centre, Mumbai 400085, India
- Homi Bhabha National Institute, Mumbai 400085, India
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Nema S, Krishna S, Tiwari A, Bharti PK. Limited genetic diversity and expression profile of Plasmodium falciparum haem detoxification protein: a possible diagnostic target. Trans R Soc Trop Med Hyg 2022; 116:1162-1171. [PMID: 35724244 DOI: 10.1093/trstmh/trac055] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 05/11/2022] [Accepted: 05/21/2022] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Haem detoxification protein (HDP) is a significant protein in the erythrocytic stage of the Plasmodium lifecycle. HDP could be of paramount interest as a diagnostic biomarker for accurate diagnosis of malaria. We thus explored HDP genetic variation, expression levels of HDP and immune response. METHODS Phylogenetic analysis was carried out using Pfhdp orthologues sequences of various Plasmodium species. Blood samples were collected from patients in central India. Pfhdp gene was amplified, and sequenced by sanger DNA sequencing. B-cell epitopes were identified in PfHDP using Bepipred Linear Epitope Prediction 2.0, and median-joining network was constructed using global PfHDP sequences. Pfhdp expression levels during erythrocytic stage were assessed using real-time qPCR at 4-h intervals. An IgG immune response against synthetic PfHDP peptides was analysed using ELISA. RESULTS Phylogenetic analysis revealed the conserved nature of Pfhdp gene. Diversity analysis revealed one non-synonymous mutation (F91L) among all isolates. Neutrality tests indicated negative selection for Pfhdp gene. HDP was expressed throughout the erythrocytic cycle, and comparatively, high expression was observed in the late trophozoite and schizont stages. High IgG response against both peptides was observed, and no polymorphism was seen in any of the seven predicted B-cell epitopes. CONCLUSIONS Findings of the present study indicate the possibility of HDP being exploited as a diagnostic biomarker for Plasmodium falciparum malaria after proteomic validation studies.
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Affiliation(s)
- Shrikant Nema
- Division of Vector-Borne Diseases, ICMR-National Institute of Research in Tribal Health, Jabalpur 482 003, Madhya Pradesh, India.,School of Biotechnology, Rajiv Gandhi Proudyogiki Vishwavidyalaya (State Technological University of Madhya Pradesh), Bhopal, 462 023, Madhya Pradesh, India
| | - Sri Krishna
- Division of Vector-Borne Diseases, ICMR-National Institute of Research in Tribal Health, Jabalpur 482 003, Madhya Pradesh, India
| | - Archana Tiwari
- School of Biotechnology, Rajiv Gandhi Proudyogiki Vishwavidyalaya (State Technological University of Madhya Pradesh), Bhopal, 462 023, Madhya Pradesh, India
| | - Praveen Kumar Bharti
- Division of Vector-Borne Diseases, ICMR-National Institute of Research in Tribal Health, Jabalpur 482 003, Madhya Pradesh, India
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Siddiqui AJ, Bhardwaj J, Hamadou WS, Goyal M, Jahan S, Ashraf SA, Jamal A, Sharma P, Sachidanandan M, Badraoui R, Snoussi M, Adnan M. Impact of chemoprophylaxis immunisation under halofantrine (CPS-HF) drug cover in Plasmodium yoelii Swiss mice malaria model. Folia Parasitol (Praha) 2022; 69. [PMID: 35145048 DOI: 10.14411/fp.2022.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 11/28/2021] [Indexed: 11/19/2022]
Abstract
In the present study, we have investigated the role of antimalarial drug halofantrine (HF) in inducing the sterile protection against challenges with sporozoites of the live infectious Plasmodium yoelii (Killick-Kendrick, 1967) in Swiss mice malaria model. We observed that during the first to third sequential sporozoite inoculation cycles, blood-stage patency remains the same in the control and chemoprophylaxis under HF drug cover (CPS-HF) groups. However, a delayed blood-stage infection was observed during the fourth and fifth sporozoite challenges and complete sterile protection was produced following the sixth sporozoite challenge in CPS-HF mice. We also noticed a steady decline in liver stage parasite load after 3th to 6th sporozoite challenge cycle in CPS-HF mice. CPS-HF immunisation results in a significant up-regulation of pro-inflammatory cytokines (IFN-γ, TNF-α, IL-12 and iNOS) and down-regulation of anti-inflammatory cytokines (IL-10 and TGF-β) mRNA expression in hepatic mononuclear cells (HMNC) and spleen cells in the immunised CPS-HF mice (after 6th sporozoite challenge) compared to control. Overall, our study suggests that the repetitive sporozoite inoculation under HF drug treatment develops a strong immune response that confers protection against subsequent challenges with sporozoites of P. yoelii.
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Affiliation(s)
- Arif Jamal Siddiqui
- Department of Biology, College of Science, University of Hail, Hail, Saudi Arabia.,Molecular Parasitology and Immunology Division, CSIR-Central Drug Research Institute, Lucknow, India.,Both authors have contributed equally to this work and share first authorship.,Corresponding author
| | - Jyoti Bhardwaj
- Indiana University, School of Medicine, Indianapolis, Indiana, United States.,Molecular Parasitology and Immunology Division, CSIR-Central Drug Research Institute, Lucknow, India.,Both authors have contributed equally to this work and share first authorship
| | - Walid Sabri Hamadou
- Department of Biology, College of Science, University of Hail, Hail, Saudi Arabia
| | - Manish Goyal
- Molecular Parasitology and Immunology Division, CSIR-Central Drug Research Institute, Lucknow, India
| | - Sadaf Jahan
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Al Majmaah, Saudi Arabia
| | - Syed Amir Ashraf
- Department of Clinical Nutrition, College of Applied Medial Sciences, University of Hail, Hail, Saudi Arabia
| | - Arshad Jamal
- Department of Biology, College of Science, University of Hail, Hail, Saudi Arabia
| | - Pankaj Sharma
- Molecular Parasitology and Immunology Division, CSIR-Central Drug Research Institute, Lucknow, India.,Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA, U.S.A
| | | | - Riadh Badraoui
- Department of Biology, College of Science, University of Hail, Hail, Saudi Arabia
| | - Mejdi Snoussi
- Department of Biology, College of Science, University of Hail, Hail, Saudi Arabia
| | - Mohd Adnan
- Department of Biology, College of Science, University of Hail, Hail, Saudi Arabia
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Chemoprophylaxis under sporozoites-lumefantrine (CPS-LMF) immunization induce protective immune responses against Plasmodium yoelii sporozoites infection in mice. 3 Biotech 2021; 11:465. [PMID: 34745816 DOI: 10.1007/s13205-021-03022-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 10/06/2021] [Indexed: 01/16/2023] Open
Abstract
Malaria represents one of the major life-threatening diseases that poses a huge socio-economic impact, worldwide. Chemoprophylaxis vaccination using a relatively low number of wild-type infectious sporozoites represents an attractive and effective vaccine strategy against malaria. However, the role of immune responses to pre-erythrocytic versus blood-stage parasites in protection against different antimalarial drugs remains unclear. Here, in the present study, we explored the immune responses against the repetitive inoculation of live Plasmodium yoelii (P. yoelii) sporozoites in an experimental Swiss mouse model under antimalarial drug lumefantrine chemoprophylaxis (CPS-LMF). We monitored the liver stage parasitic load, pro/anti-inflammatory cytokines expression, and erythrocytic stage patency, following repetitive cycles of sporozoites inoculations. It was found that repetitive sporozoites inoculation under CPS-LMF results in delayed blood-stage infection during the fourth sporozoites challenge, while sterile protection was produced in mice following the fifth cycle of sporozoites challenge. Intriguingly, we observed a significant up-regulation of pro-inflammatory cytokines (IFN-γ, TNF-α and IL-12) and iNOS response and down-regulation of anti-inflammatory cytokines (IL-4, IL-10 and TGF-β) in the liver HMNC (hepatic mononuclear cells) and spleen cells after 4th and 5th cycle of sporozoites challenge in the CPS-LMF mice. Meanwhile, we also noticed that the liver stage parasites load under CPS-LMF immunization has gradually reduced after 2nd, 3rd, 4th and 5th sporozoites challenge. Overall, our study suggests that chemoprophylaxis vaccination under LMF drug cover develops strong immune responses and confer superior long-lasting protection against P. yoelii sporozoites. Furthermore, this vaccination strategy can be used to study the protective and stage-specific immunity against new protective antigens. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s13205-021-03022-0.
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Siddiqui AJ, Jahan S, Ashraf SA, Alreshidi M, Ashraf MS, Patel M, Snoussi M, Singh R, Adnan M. Current status and strategic possibilities on potential use of combinational drug therapy against COVID-19 caused by SARS-CoV-2. J Biomol Struct Dyn 2021; 39:6828-6841. [PMID: 32752944 PMCID: PMC7484586 DOI: 10.1080/07391102.2020.1802345] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 07/21/2020] [Indexed: 01/01/2023]
Abstract
The spread of new coronavirus infection starting December 2019 as novel SARS-CoV-2, identified as the causing agent of COVID-19, has affected all over the world and been declared as pandemic. Approximately, more than 8,807,398 confirmed cases of COVID-19 infection and 464,483 deaths have been reported globally till the end of 21 June 2020. Until now, there is no specific drug therapy or vaccine available for the treatment of COVID-19. However, some potential antimalarial drugs like hydroxychloroquine and azithromycin, antifilarial drug ivermectin and antiviral drugs have been tested by many research groups worldwide for their possible effect against the COVID-19. Hydroxychloroquine and ivermectin have been identified to act by creating the acidic condition in cells and inhibiting the importin (IMPα/β1) mediated viral import. There is a possibility that some other antimalarial drugs/antibiotics in combination with immunomodulators may help in combatting this pandemic disease. Therefore, this review focuses on the current use of various drugs as single agents (hydroxychloroquine, ivermectin, azithromycin, favipiravir, remdesivir, umifenovir, teicoplanin, nitazoxanide, doxycycline, and dexamethasone) or in combinations with immunomodulators additionally. Furthermore, possible mode of action, efficacy and current stage of clinical trials of various drug combinations against COVID-19 disease has also been discussed in detail.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Arif Jamal Siddiqui
- Department of Biology, College of Science, University of Hail, Hail, Saudi Arabia
| | - Sadaf Jahan
- Department of Medical Laboratory, College of Applied Medical Sciences, Majmaah University, Al Majma'ah, Saudi Arabia
| | - Syed Amir Ashraf
- Department of Clinical Nutrition, College of Applied Medical Sciences, University of Hail, Hail, Saudi Arabia
| | - Mousa Alreshidi
- Department of Biology, College of Science, University of Hail, Hail, Saudi Arabia
| | - Mohammad Saquib Ashraf
- Department of Clinical Laboratory Sciences, College of Applied Medical Science, Shaqra University, Al Dawadimi, Saudi Arabia
| | - Mitesh Patel
- Bapalal Vaidya Botanical Research Centre, Department of Biosciences, Veer Narmad South Gujarat University, Surat, Gujarat, India
| | - Mejdi Snoussi
- Department of Biology, College of Science, University of Hail, Hail, Saudi Arabia
- Laboratory of Genetics, Biodiversity and Valorization of Bio-resources, Higher Institute of Biotechnology of Monastir, University of Monastir, Monastir, Tunisia
| | - Ritu Singh
- Department of Environmental Sciences, School of Earth Sciences, Central University of Rajasthan, Ajmer, India
| | - Mohd Adnan
- Department of Biology, College of Science, University of Hail, Hail, Saudi Arabia
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Siddiqui AJ, Danciu C, Ashraf SA, Moin A, Singh R, Alreshidi M, Patel M, Jahan S, Kumar S, Alkhinjar MIM, Badraoui R, Snoussi M, Adnan M. Plants-Derived Biomolecules as Potent Antiviral Phytomedicines: New Insights on Ethnobotanical Evidences against Coronaviruses. PLANTS 2020; 9:plants9091244. [PMID: 32967179 PMCID: PMC7570315 DOI: 10.3390/plants9091244] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 09/15/2020] [Accepted: 09/16/2020] [Indexed: 02/07/2023]
Abstract
SARS-CoV-2 infection (COVID-19) is in focus over all known human diseases, because it is destroying the world economy and social life, with increased mortality rate each day. To date, there is no specific medicine or vaccine available against this pandemic disease. However, the presence of medicinal plants and their bioactive molecules with antiviral properties might also be a successful strategy in order to develop therapeutic agents against SARS-CoV-2 infection. Thus, this review will summarize the available literature and other information/data sources related to antiviral medicinal plants, with possible ethnobotanical evidence in correlation with coronaviruses. The identification of novel antiviral compounds is of critical significance, and medicinal plant based natural compounds are a good source for such discoveries. In depth search and analysis revealed several medicinal plants with excellent efficacy against SARS-CoV-1 and MERS-CoV, which are well-known to act on ACE-2 receptor, 3CLpro and other viral protein targets. In this review, we have consolidated the data of several medicinal plants and their natural bioactive metabolites, which have promising antiviral activities against coronaviruses with detailed modes of action/mechanism. It is concluded that this review will be useful for researchers worldwide and highly recommended for the development of naturally safe and effective therapeutic drugs/agents against SARS-CoV-2 infection, which might be used in therapeutic protocols alone or in combination with chemically synthetized drugs.
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Affiliation(s)
- Arif Jamal Siddiqui
- Department of Biology, College of Science, University of Hail, Hail PO Box 2440, Saudi Arabia; (M.A.); (R.B.); (M.S.); (M.A.)
- Correspondence: (A.J.S.); (C.D.); Tel.: +40-744-648-855 (C.D.)
| | - Corina Danciu
- Department of Pharmacognosy, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania
- Correspondence: (A.J.S.); (C.D.); Tel.: +40-744-648-855 (C.D.)
| | - Syed Amir Ashraf
- Department of Clinical Nutrition, College of Applied Medical Sciences, University of Hail, Hail PO Box 2440, Saudi Arabia;
| | - Afrasim Moin
- Department of Pharmaceutics, College of Pharmacy, University of Hail, Hail PO Box 2440, Saudi Arabia;
| | - Ritu Singh
- Department of Environmental Sciences, School of Earth Sciences, Central University of Rajasthan, Ajmer, Rajasthan 305817, India;
| | - Mousa Alreshidi
- Department of Biology, College of Science, University of Hail, Hail PO Box 2440, Saudi Arabia; (M.A.); (R.B.); (M.S.); (M.A.)
| | - Mitesh Patel
- Bapalal Vaidya Botanical Research Centre, Department of Biosciences, Veer Narmad South Gujarat University, Surat, Gujarat 395007, India;
| | - Sadaf Jahan
- Department of Medical Laboratory, College of Applied Medical Sciences, Majmaah University, Al Majma’ah 15341, Saudi Arabia;
| | - Sanjeev Kumar
- Department of Environmental Sciences, Central University of Jharkhand, Ranchi 835205, India;
| | - Mulfi I. M. Alkhinjar
- Saudi Center for Disease Prevention and Control, Al Aarid, King Abdulaziz Rd, Riyadh 13354, Saudi Arabia;
| | - Riadh Badraoui
- Department of Biology, College of Science, University of Hail, Hail PO Box 2440, Saudi Arabia; (M.A.); (R.B.); (M.S.); (M.A.)
- Section of Histology-Cytology, Medicine College of Tunis, University of Tunis El Manar, La Rabta-Tunis 1007, Tunisia
- Laboratory of Histo-Embryology and Cytogenetic, Medicine College of Sfax, University of Sfax, Sfax 3029, Tunisia
| | - Mejdi Snoussi
- Department of Biology, College of Science, University of Hail, Hail PO Box 2440, Saudi Arabia; (M.A.); (R.B.); (M.S.); (M.A.)
- Laboratory of Genetics, Biodiversity and Valorization of Bio-Resources, Higher Institute of Biotechnology of Monastir, University of Monastir, Monastir 5000, Tunisia
| | - Mohd Adnan
- Department of Biology, College of Science, University of Hail, Hail PO Box 2440, Saudi Arabia; (M.A.); (R.B.); (M.S.); (M.A.)
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Traore O, Compaore M, Okusa P, Hubinon F, Duez P, Blankert B, Kindrebeogo M. Development and validation of an original magneto-chromatography device for the whole blood determination of hemozoin, the paramagnetic malaria pigment. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105043] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Cordycepin for Health and Wellbeing: A Potent Bioactive Metabolite of an Entomopathogenic Cordyceps Medicinal Fungus and Its Nutraceutical and Therapeutic Potential. Molecules 2020; 25:molecules25122735. [PMID: 32545666 PMCID: PMC7356751 DOI: 10.3390/molecules25122735] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 06/09/2020] [Accepted: 06/10/2020] [Indexed: 12/18/2022] Open
Abstract
Cordyceps is a rare naturally occurring entomopathogenic fungus usually found at high altitudes on the Himalayan plateau and a well-known medicinal mushroom in traditional Chinese medicine. Cordyceps contains various bioactive components, out of which, cordycepin is considered most vital, due to its utmost therapeutic as well as nutraceutical potential. Moreover, the structure similarity of cordycepin with adenosine makes it an important bioactive component, with difference of only hydroxyl group, lacking in the 3′ position of its ribose moiety. Cordycepin is known for various nutraceutical and therapeutic potential, such as anti-diabetic, anti-hyperlipidemia, anti-fungal, anti-inflammatory, immunomodulatory, antioxidant, anti-aging, anticancer, antiviral, hepato-protective, hypo-sexuality, cardiovascular diseases, antimalarial, anti-osteoporotic, anti-arthritic, cosmeceutical etc. which makes it a most valuable medicinal mushroom for helping in maintaining good health. In this review, effort has been made to bring altogether the possible wide range of cordycepin’s nutraceutical potential along with its pharmacological actions and possible mechanism. Additionally, it also summarizes the details of cordycepin based nutraceuticals predominantly available in the market with expected global value. Moreover, this review will attract the attention of food scientists, nutritionists, pharmaceutical and food industries to improve the use of bioactive molecule cordycepin for nutraceutical purposes with commercialization to aid and promote healthy lifestyle, wellness and wellbeing.
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Siddiqui AJ, Adnan M, Jahan S, Redman W, Saeed M, Patel M. Neurological disorder and psychosocial aspects of cerebral malaria: what is new on its pathogenesis and complications? A minireview. Folia Parasitol (Praha) 2020; 67. [PMID: 32636351 DOI: 10.14411/fp.2020.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 03/06/2020] [Indexed: 01/21/2023]
Abstract
Recently, malaria is remain considered as the most prevalent infectious disease, affecting the human health globally. High morbidity and mortality worldwide is often allied with cerebral malaria (CM) based disorders of the central nervous system, especially across many tropical and sub-tropical regions. These disorders are characterised by the infection of Plasmodium species, which leads to acute or chronic neurological disorders, even after having active/effective antimalarial drugs. Furthermore, even during the treatment, individual remain sensitive for neurological impairments in the form of decrease blood flow and vascular obstruction in brain including many more other changes. This review briefly explains and update on the epidemiology, burden of disease, pathogenesis and role of CM in neurological disorders with behaviour and function in mouse and human models. Moreover, the social stigma, which plays an important role in neurological disorders and a factor for assessing CM, is also discussed in this review.
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Affiliation(s)
| | | | - Sadaf Jahan
- Department of Medical Laboratory, College of Applied Medical Sciences, Majmaah University, Majmaah city, Saudi Arabia
| | - Whitni Redman
- Surgery Department, Division of Biomedical Research, Texas Tech University Health Sciences Center, Lubbock, Texas, USA
| | - Mοhd Saeed
- Department of Biology, College of Science, University of Hail, Hail, PO Box 2440, Saudi Arabia
| | - Mitesh Patel
- Bapalal Vaidya Botanical Research Centre, Department of Biosciences, Veer Narmad South Gujarat University, Surat, Gujarat, India
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Siddiqui AJ, Bhardwaj J, Goyal M, Prakash K, Adnan M, Alreshidi MM, Patel M, Soni A, Redman W. Immune responses in liver and spleen against Plasmodium yoelii pre-erythrocytic stages in Swiss mice model. J Adv Res 2020; 24:29-41. [PMID: 32181014 PMCID: PMC7063113 DOI: 10.1016/j.jare.2020.02.016] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 02/08/2020] [Accepted: 02/25/2020] [Indexed: 12/11/2022] Open
Abstract
Though the immunity to malaria has been associated with cellular immune responses, the exact function of the phenotypic cell population is still unclear. This study investigated the host immune responses elicited during the pre-erythrocytic stage, post-Plasmodium yoelii sporozoite infection in Swiss mice model. For this purpose, we analyzed the dynamics of different subsets of immune cells population and cytokine levels in the hepatic mononuclear and splenic cells population during pre-erythrocytic liver-stage infection. We observed a significant reduction in the effectors immune cells population including CD8+ T cell, F4/80+ macrophage and in plasmacytoid dendritic cells (CD11c+ B220+). Interestingly, substantial down-regulation was also noted in pro-inflammatory cytokines (i.e. IFN-γ, TNF-α, IL-12, IL-2, IL-17 and iNOS), while, up-regulation of anti-inflammatory cytokines (i.e. IL-10, IL-4 and TGF-β) during asymptomatic pre-erythrocytic liver-stage infection. Collectively, this study demonstrated that during pre-erythrocytic development, Plasmodium yoelii sporozoite impaired the host activators of innate and adaptive immune responses by regulating the immune effector cells, gene expression and cytokines levels for the establishment of infection and subsequent development in the liver and spleen. The results in this study provided a better understanding of the events leading to malarial infection and will be helpful in supportive treatment and vaccine development strategy.
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Affiliation(s)
- Arif Jamal Siddiqui
- Department of Biology, College of Sciences, University of Ha'il, Ha'il, Saudi Arabia.,Division of Parasitology, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, India
| | - Jyoti Bhardwaj
- Indiana University, School of Medicine, Indianapolis, IN, United States
| | - Manish Goyal
- Division of Parasitology, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, India
| | - Kirtika Prakash
- Department of Obstetrics, Gynecology and Reproductive Sciences, College of Medicine, University of Vermont, VT, United States
| | - Mohd Adnan
- Department of Biology, College of Sciences, University of Ha'il, Ha'il, Saudi Arabia
| | - Mousa M Alreshidi
- Department of Biology, College of Sciences, University of Ha'il, Ha'il, Saudi Arabia
| | - Mitesh Patel
- Bapalal Vaidya Botanical Research Centre, Department of Biosciences, Veer Narmad South Gujarat University, Surat, Gujarat, India
| | - Awakash Soni
- Division of Parasitology, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, India
| | - Whitni Redman
- Surgery Department, Division of Biomedical Research, Texas Tech University Health Sciences Center, Lubbock, TX, United States
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Biomimetic magnetoelectric nanocrystals synthesized by polymerization of heme as advanced nanomaterials for biosensing application. Biosens Bioelectron 2018; 114:1-9. [DOI: 10.1016/j.bios.2018.05.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 04/19/2018] [Accepted: 05/06/2018] [Indexed: 12/26/2022]
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