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Amrane-Abider M, Imre M, Herman V, Debbou-Iouknane N, Zemouri-Alioui S, Khaled S, Bouiche C, Nerín C, Acaroz U, Ayad A. Bioactive Compounds and In Vitro Antioxidant and Anticoccidial Activities of Opuntia ficus-indica Flower Extracts. Biomedicines 2023; 11:2173. [PMID: 37626669 PMCID: PMC10452520 DOI: 10.3390/biomedicines11082173] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/25/2023] [Accepted: 07/28/2023] [Indexed: 08/27/2023] Open
Abstract
The objective of the present study is to identify the biochemical compounds extracted from OFI flowers using ultra-high-performance liquid chromatography-electrospray ionization quadrupole time-of-flight mass spectrometry and to evaluate their in vitro antioxidant activities and anticoccidial effects on the destruction of Eimeria oocysts isolated from naturally infected chickens. A domestic microwave was used with a refrigerant to condense the vapors generated during the extraction. The flavonoid and phenolic compound contents of the OFI flowers were determined according to standard methods. DPPH radical and H2O2 scavenging capacities were used to assess the antioxidant activity. Regarding the anticoccidial activity, the Eimeria spp. oocysts used were isolated from the fresh feces of infected broilers and were determined in triplicate by incubation at an ambient temperature for 24 h. The results highlighted the considerable influence of the optimized acetone concentration, ratio, irradiation time, and microwave power parameters on the phenolic content and antioxidant activities. Our results revealed significant matches between the predicted and experimental values of the models. Molecular analysis revealed the presence of several biophenol classes such as quercetin, isorhamnetin 3-O-rutinoside, and quercetin-3-O-rutinoside. OFI flower extracts inhibited sporulation and damaged the morphology of Eimeria oocysts compared with normal sporulated Eimeria oocysts containing sporocysts. In conclusion, the optimized conditions were validated and found to fit very well with the experimental values. These findings suggest that the flowers of OFI should be considered sources of antioxidants. The results of the present study revealed that OFI flower extracts have anticoccidial activities against Eimeria-spp.-induced infection in broiler chickens.
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Affiliation(s)
- Meriem Amrane-Abider
- Centre de Recherche en Technologies Agroalimentaires, Route de Targa Ouzemmour, Campus Universitaire, Bejaia 06000, Algeria; (M.A.-A.); (C.B.)
| | - Mirela Imre
- Department of Parasitology and Parasitic Disease, Faculty of Veterinary Medicine, University of Life Sciences “King Mihai I” from Timisoara, 300645 Timisoara, Romania
| | - Viorel Herman
- Department of Infectious Diseases and Preventive Medicine, Faculty of Veterinary Medicine, University of Life Sciences “King Mihai I” from Timisoara, 300645 Timisoara, Romania;
| | - Nedjima Debbou-Iouknane
- Department of Environment Biological Sciences, Faculty of Nature and Life Sciences, University of Bejaia, Bejaia 06000, Algeria;
| | - Salima Zemouri-Alioui
- Laboratory of Applied Biochemistry, Faculty of Nature and Life Sciences, University of Bejaia, Bejaia 06000, Algeria;
| | - Souad Khaled
- Laboratory of Biomathematics, Biochemistry, Biophysics and Scientometrics, Faculty of Nature and Life Sciences, University of Bejaia, Bejaia 06000, Algeria;
| | - Cilia Bouiche
- Centre de Recherche en Technologies Agroalimentaires, Route de Targa Ouzemmour, Campus Universitaire, Bejaia 06000, Algeria; (M.A.-A.); (C.B.)
| | - Cristina Nerín
- Aragón Institute for Engineering Research (I3A), University of Zaragoza, Campus Rio Ebro, María de Luna 3, 50018 Zaragoza, Spain;
| | - Ulaș Acaroz
- ACR Bio Food and Biochemistry Research and Development, Afyonkarahisar 03200, Turkey;
- Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, Afyon Kocatepe University, Afyonkarahisar 03200, Turkey
- Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, Kyrgyz-Turkish Manas University, Bishkek KG-720038, Kyrgyzstan
| | - Abdelhanine Ayad
- Department of Environment Biological Sciences, Faculty of Nature and Life Sciences, University of Bejaia, Bejaia 06000, Algeria;
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Impact of Negative Feedbacks on De Novo Pyrimidines Biosynthesis in Escherichia coli. Int J Mol Sci 2023; 24:ijms24054806. [PMID: 36902235 PMCID: PMC10003070 DOI: 10.3390/ijms24054806] [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: 02/01/2023] [Revised: 02/25/2023] [Accepted: 02/28/2023] [Indexed: 03/06/2023] Open
Abstract
Earlier studies aimed at investigating the metabolism of endogenous nucleoside triphosphates in synchronous cultures of E. coli cells revealed an auto-oscillatory mode of functioning of the pyrimidine and purine nucleotide biosynthesis system, which the authors associated with the dynamics of cell division. Theoretically, this system has an intrinsic oscillatory potential, since the dynamics of its functioning are controlled through feedback mechanisms. The question of whether the nucleotide biosynthesis system has its own oscillatory circuit is still open. To address this issue, an integral mathematical model of pyrimidine biosynthesis was developed, taking into account all experimentally verified negative feedback in the regulation of enzymatic reactions, the data of which were obtained under in vitro conditions. Analysis of the dynamic modes of the model functioning has shown that in the pyrimidine biosynthesis system, both the steady-state and oscillatory functioning modes can be realized under certain sets of kinetic parameters that fit in the physiological boundaries of the investigated metabolic system. It has been demonstrated that the occurrence of the oscillatory nature of metabolite synthesis depended on the ratio of two parameters: the Hill coefficient, hUMP1-the nonlinearity of the UMP effect on the activity of carbamoyl-phosphate synthetase, and the parameter r characterizing the contribution of the noncompetitive mechanism of UTP inhibition to the regulation of the enzymatic reaction of UMP phosphorylation. Thus, it has been theoretically shown that the E. coli pyrimidine biosynthesis system possesses its own oscillatory circuit whose oscillatory potential depends to a significant degree on the mechanism of regulation of UMP kinase activity.
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Huang YH, Chiang WY, Chen PJ, Lin ES, Huang CY. Anticancer and Antioxidant Activities of the Root Extract of the Carnivorous Pitcher Plant Sarracenia purpurea. PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11131668. [PMID: 35807620 PMCID: PMC9269354 DOI: 10.3390/plants11131668] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 06/15/2022] [Accepted: 06/20/2022] [Indexed: 05/27/2023]
Abstract
The carnivorous pitcher plant Sarracenia purpurea exhibits many ethnobotanical uses, including the treatments of type 2 diabetes and tuberculosis-like symptoms. In this study, we prepared different extracts from the leaves (pitchers), stems, and roots of S. purpurea and investigated their antioxidant and anticancer properties. To evaluate the extraction efficiency, we individually used different solvents, namely methanol, ethanol, acetone, and distilled water, for S. purpurea extract preparations. The root extract of S. purpurea, obtained by 100% acetone (S. purpurea-root-acetone), had the highest anticancer activities, antioxidation capacity (the DPPH activity with IC50 of 89.3 ± 2.2 μg/mL), antibacterial activities, total phenolic content (33.4 ± 0.7 mg GAE/g), and total flavonoid content (107.9 ± 2.2 mg QUE/g). The most abundant compounds in S. purpurea-root-acetone were identified using gas chromatography-mass spectrometry; 7,8-Dihydro-α-ionone was the major compound present in S. purpurea-root-acetone. In addition, the co-cytotoxicity of S. purpurea-root-acetone (combined with the clinical anticancer drug 5-fluorouracil (5-FU) on the survival, apoptosis, proliferation, and migration of the 4T1 mammary carcinoma) was examined. The combination of 5-FU with S. purpurea-root-acetone could be highly efficient for anti-4T1 cells. We also found that S. purpurea-root-acetone could inhibit the enzymatic activity of human dihydroorotase (huDHOase), an attractive target for potential anticancer chemotherapy. The sic most abundant compounds in S. purpurea-root-acetone were tested using an in silico analysis via MOE-Dock software for their binding affinities. The top-ranked docking conformations were observed for 7,8-dihydro-α-ionone and stigmast-5-en-3-ol, suggesting the inhibition potential against huDHOase. Overall, the collective data in this study may indicate the pharmacological potentials of S. purpurea-root-acetone for possible medical applications.
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Affiliation(s)
- Yen-Hua Huang
- Department of Biomedical Sciences, Chung Shan Medical University, Taichung City 402, Taiwan; (Y.-H.H.); (W.-Y.C.); (P.-J.C.)
| | - Wei-Yu Chiang
- Department of Biomedical Sciences, Chung Shan Medical University, Taichung City 402, Taiwan; (Y.-H.H.); (W.-Y.C.); (P.-J.C.)
| | - Pin-Jui Chen
- Department of Biomedical Sciences, Chung Shan Medical University, Taichung City 402, Taiwan; (Y.-H.H.); (W.-Y.C.); (P.-J.C.)
| | - En-Shyh Lin
- Department of Beauty Science, National Taichung University of Science and Technology, Taichung City 403, Taiwan;
| | - Cheng-Yang Huang
- Department of Biomedical Sciences, Chung Shan Medical University, Taichung City 402, Taiwan; (Y.-H.H.); (W.-Y.C.); (P.-J.C.)
- Department of Medical Research, Chung Shan Medical University Hospital, Taichung City 402, Taiwan
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Chiranjivi AK, Prakash J, Saha G, Chandra P, Dubey VK. Mutational studies on Leishmania donovani dihydrolipoamide dehydrogenase (LdBPK291950.1) indicates that the enzyme may not be classical class-I pyridine nucleotide-disulfide oxidoreductase. Int J Biol Macromol 2020; 164:2141-2150. [PMID: 32750477 DOI: 10.1016/j.ijbiomac.2020.07.236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 07/10/2020] [Accepted: 07/22/2020] [Indexed: 11/17/2022]
Abstract
We report biochemical studies on two Cys residues mutation (Cys15Thr, Cys38Gly) nearest to the active site and three other amino acid substitution mutations expected to be the part of active site of LdDLDH_Variant1. Our biochemical studies show that the replacement of Cys15 increases the Km for dihydrolipoamide (DLD) substrate by five folds and NAD+ by three fold indicating that this mutation affects the binding of DLD and NAD+ significantly. Cys38 was also mutated to 'Gly' which resulted in nine fold greater Km for NAD+ without affecting Km for DLD. However, even after these mutations (Cys15Thr and Cys38Gly), reduced enzyme activity suggests that both the 'Cys' residues are not involved in disulfide bond formation but affect the binding of substrates. The data hints towards the possibility of a different catalytic mechanism from the classical class I - pyridine nucleotide-disulfide oxidoreductase. Remaining other mutated residues Ala48Ile, Asp49Gly, and Ala54Ile showed an increase in two to three-folds Km value for NAD+, which means these residues are important for the binding of NAD+ to the enzyme. However, Ala48Ile and Asp49Gly mutations showed a decrease of Km for DLD. Apart from the mutational studies, localization of LdDLDH_Variant2 of LdDLDH was also analyzed.
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Affiliation(s)
- Adarsh Kumar Chiranjivi
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Jay Prakash
- School of Biochemical Engineering, Indian Institute of Technology BHU, Varanasi, UP 221005, India
| | - Gundappa Saha
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Pranjal Chandra
- School of Biochemical Engineering, Indian Institute of Technology BHU, Varanasi, UP 221005, India
| | - Vikash Kumar Dubey
- School of Biochemical Engineering, Indian Institute of Technology BHU, Varanasi, UP 221005, India.
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Verma K, Saha G, Kundu LM, Dubey VK. Biochemical characterization of a stable azoreductase enzyme from Chromobacterium violaceum: Application in industrial effluent dye degradation. Int J Biol Macromol 2019; 121:1011-1018. [DOI: 10.1016/j.ijbiomac.2018.10.133] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Revised: 10/06/2018] [Accepted: 10/16/2018] [Indexed: 10/28/2022]
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Martínez-Castillo M, Pacheco-Yepez J, Flores-Huerta N, Guzmán-Téllez P, Jarillo-Luna RA, Cárdenas-Jaramillo LM, Campos-Rodríguez R, Shibayama M. Flavonoids as a Natural Treatment Against Entamoeba histolytica. Front Cell Infect Microbiol 2018; 8:209. [PMID: 29988403 PMCID: PMC6024094 DOI: 10.3389/fcimb.2018.00209] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 06/05/2018] [Indexed: 02/05/2023] Open
Abstract
Over the past 20 years, gastrointestinal infections in developing countries have been a serious health problem and are the second leading cause of morbidity among all age groups. Among pathogenic protozoans that cause diarrheal disease, the parasite Entamoeba histolytica produces amebic colitis as well as the most frequent extra-intestinal lesion, an amebic liver abscess (ALA). Usually, intestinal amebiasis and ALA are treated with synthetic chemical compounds (iodoquinol, paromomycin, diloxanide furoate, and nitroimidazoles). Metronidazole is the most common treatment for amebiasis. Although the efficacy of nitroimidazoles in killing amebas is known, the potential resistance of E. histolytica to this treatment is a concern. In addition, controversial studies have reported that metronidazole could induce mutagenic effects and cerebral toxicity. Therefore, natural and safe alternative drugs against this parasite are needed. Flavonoids are natural polyphenolic compounds. Flavonoids depend on malonyl-CoA and phenylalanine to be synthesized. Several flavonoids have anti-oxidant and anti-microbial properties. Since the 1990s, several works have focused on the identification and purification of different flavonoids with amebicidal effects, such as, -(-)epicatechin, kaempferol, and quercetin. In this review, we investigated the effects of flavonoids that have potential amebicidal activity and that can be used as complementary and/or specific therapeutic strategies against E. histolytica trophozoites. Interestingly, it was found that these natural compounds can induce morphological changes in the amebas, such as chromatin condensation and cytoskeletal protein re-organization, as well as the upregulation and downregulation of fructose-1,6-bisphosphate aldolase, glyceraldehyde-phosphate dehydrogenase, and pyruvate:ferredoxin oxidoreductase (enzymes of the glycolytic pathway). Although the specific molecular targets, bioavailability, route of administration, and doses of some of these natural compounds need to be determined, flavonoids represent a very promising and innocuous strategy that should be considered for use against E. histolytica in the era of microbial drug resistance.
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Affiliation(s)
- Moisés Martínez-Castillo
- Departamento de Infectómica y Patogénesis Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Ciudad de México, Mexico
| | - Judith Pacheco-Yepez
- Sección de Estudios de Posgrado e Investigación, Instituto Politécnico Nacional, Escuela Superior de Medicina, Ciudad de México, Mexico
| | - Nadia Flores-Huerta
- Departamento de Infectómica y Patogénesis Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Ciudad de México, Mexico
| | - Paula Guzmán-Téllez
- Departamento de Infectómica y Patogénesis Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Ciudad de México, Mexico
| | - Rosa A Jarillo-Luna
- Sección de Estudios de Posgrado e Investigación, Instituto Politécnico Nacional, Escuela Superior de Medicina, Ciudad de México, Mexico
| | - Luz M Cárdenas-Jaramillo
- Coordinación de Morfología, Departamento de Formación Básica Disciplinaria, Instituto Politécnico Nacional, Escuela Superior de Medicina, Ciudad de México, Mexico
| | - Rafael Campos-Rodríguez
- Sección de Estudios de Posgrado e Investigación, Instituto Politécnico Nacional, Escuela Superior de Medicina, Ciudad de México, Mexico
| | - Mineko Shibayama
- Departamento de Infectómica y Patogénesis Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Ciudad de México, Mexico
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Chiranjivi AK, Dubey VK. Dihydrolipoamide dehydrogenase from Leishmania donovani: New insights through biochemical characterization. Int J Biol Macromol 2018; 112:1241-1247. [PMID: 29466712 DOI: 10.1016/j.ijbiomac.2018.02.112] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Revised: 02/13/2018] [Accepted: 02/16/2018] [Indexed: 02/06/2023]
Abstract
Dihydrolipoamide dehydrogenase (DLDH) regulates many crucial metabolic pathways as a multi-enzyme complex. Leishmania donovani dihydrolipoamide dehydrogenase (LdDLDH) has two variants present on two different chromosomes with very less sequence similarities. In the current study, we cloned both the variants in pET28a (+) vector and expressed in Rosetta-gami (DE3) E. coli strain. Expressed proteins were finally purified from pellets using Ni-NTA affinity chromatography. Purified enzymes were biochemically characterized and different kinetic parameters were studied. Both the variants showed maximum activity in pH range of 7.0-8.0 and temperature 50±5°C in the physiological direction. The estimated Km for dihydrolipoamide (DLA) and NAD+ were 2.7±0.48mM and 171.23±11.59μM respectively for variant 1 (LdBPK291950.1). In the case of variant 2 (LdBPK323510.1), Km values for DLA and NAD+ were found to be 829.85±37μM and 226±1.56μM respectively. The variant 2 was more efficient in terms of activity. While both the forms of the enzymes showed diaphorase activity, variant 1 was found to be better. Sequence dissimilarities of both forms were analyzed for biological insights.
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Affiliation(s)
- Adarsh Kumar Chiranjivi
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Vikash Kumar Dubey
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India.
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Fresh insights into the pyrimidine metabolism in the trypanosomatids. Parasit Vectors 2018; 11:87. [PMID: 29422065 PMCID: PMC5803862 DOI: 10.1186/s13071-018-2660-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Accepted: 01/18/2018] [Indexed: 11/26/2022] Open
Abstract
The trypanosomatid parasites continue their killing spree resulting in significant annual mortality due to the lack of effective treatments and the prominence of these diseases in poorer countries. These dimorphic parasites thrive unchecked in the host system, outsmarting the immune mechanisms. An understanding of biology of these parasitic forms will help in the management and elimination of these fatal diseases. Investigation of various metabolic pathways in these parasites has shed light in the understanding of the unique biology of the trypansomatids. An understanding of these pathways have helped in tracing the soft targets in the metabolic pathways, which could be used as effective drug targets which would further impact the therupeutic implications. Pyrimidine pathway is a vital metabolic pathway which yields in the formation of pyrimidines, which are then integrated in nucleic acids (DNA and RNA) in sugars (UDP sugars) and lipids (CDP lipids). A wealth of data and information has been generated in the past decades by in-depth analyses of pyrimidine pathway in the trypanosomatid parasites, which can aid in the identification of anomalies between the parasitic and host counterpart which could be further harnessed to develop therapeutic interventions for the treatment of parasitic diseases. This review presents an updated and comprehensive detailing of the pyrimidine metabolism in the trypansomatids, their uniqueness and their distinctions, and its possible outcomes that would aid in the eradication of these parasitic diseases.
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Halder A, Das S, Bera T, Mukherjee A. Rapid synthesis for monodispersed gold nanoparticles in kaempferol and anti-leishmanial efficacy against wild and drug resistant strains. RSC Adv 2017. [DOI: 10.1039/c6ra28632a] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Synthesis of monodispersed gold nanoparticles using kaempferol and antileishmanial activity with high macrophage uptake capacity.
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Affiliation(s)
- Asim Halder
- Department of Chemical Technology
- University of Calcutta
- Kolkata-700 009
- India
| | - Suvadra Das
- Department of Chemical Technology
- University of Calcutta
- Kolkata-700 009
- India
| | - Tanmoy Bera
- Department of Pharmaceutical Technology
- Jadavpur University
- Kolkata-700 032
- India
| | - Arup Mukherjee
- Department of Chemical Technology
- University of Calcutta
- Kolkata-700 009
- India
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