1
|
Paul DC, Bhattacharjee M. Revisiting the significance of natural protease inhibitors: A comprehensive review. Int J Biol Macromol 2024:135899. [PMID: 39317291 DOI: 10.1016/j.ijbiomac.2024.135899] [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: 02/20/2024] [Revised: 08/09/2024] [Accepted: 09/20/2024] [Indexed: 09/26/2024]
Abstract
Protease inhibitors (PIs) function as a natural adversary to proteolytic enzymes. They can diminish or inhibit the catalytic properties of proteases, which are crucial for various tasks in the physiology and metabolism of cellular forms. Protease Inhibitors are low molecular weight (5-25 kDa) stable proteins. Plants are a fair source of PIs, so foods containing PIs remarkably influence human health. PIs are usually present in storage tissues of the plant, although they are present in other aerial parts as well. In plants, protease inhibitors participate in vital functions such as maintaining physiological homeostasis, mobilization of storage proteins, defense systems, apoptosis, and other processes. In recent years, plant-derived PIs have shown promising results in treating various diseases including inflammatory conditions, osteoporosis, cardiovascular issues, and brain disorders. The primary goal of this review is to provide a comprehensive understanding of the characteristics, applications, and challenges associated with natural protease inhibitors in plants, which draws insights from an extensive examination of 80+ research papers with a focus on their potential in agriculture and medicine. By synthesizing findings from an extensive literature review, this work aims to guide future research directions and innovations in leveraging plant-based PIs for sustainable agricultural practices and advanced therapeutic interventions.
Collapse
Affiliation(s)
- Dhiman Chandra Paul
- Department of Biotechnology, Assam Down Town University, Panikhaiti, Gandhinagar, Guwahati, Assam 26, India
| | - Minakshi Bhattacharjee
- Department of Biotechnology, Assam Down Town University, Panikhaiti, Gandhinagar, Guwahati, Assam 26, India.
| |
Collapse
|
2
|
Boleti APDA, Jacobowski AC, Monteiro-Alfredo T, Pereira APR, Oliva MLV, Maria DA, Macedo MLR. Cutaneous Melanoma: An Overview of Physiological and Therapeutic Aspects and Biotechnological Use of Serine Protease Inhibitors. Molecules 2024; 29:3891. [PMID: 39202970 PMCID: PMC11357276 DOI: 10.3390/molecules29163891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2024] [Revised: 08/11/2024] [Accepted: 08/14/2024] [Indexed: 09/03/2024] Open
Abstract
BACKGROUND Metastatic melanoma stands out as the most lethal form of skin cancer because of its high propensity to spread and its remarkable resistance to treatment methods. METHODS In this review article, we address the incidence of melanoma worldwide and its staging phases. We thoroughly investigate the different melanomas and their associated risk factors. In addition, we underscore the principal therapeutic goals and pharmacological methods that are currently used in the treatment of melanoma. RESULTS The implementation of targeted therapies has contributed to improving the approach to patients. However, because of the emergence of resistance early in treatment, overall survival and progression-free periods continue to be limited. CONCLUSIONS We provide new insights into plant serine protease inhibitor therapeutics, supporting high-throughput drug screening soon, and seeking a complementary approach to explain crucial mechanisms associated with melanoma.
Collapse
Affiliation(s)
- Ana Paula De Araújo Boleti
- Laboratory of Protein Purification and Their Biological Functions, Food Technology and Public Health Unit, Federal University of Mato Grosso do Sul (UFMS), Campo Grande 79070-900, MS, Brazil; (A.P.D.A.B.); (A.C.J.); (T.M.-A.); (A.P.R.P.)
| | - Ana Cristina Jacobowski
- Laboratory of Protein Purification and Their Biological Functions, Food Technology and Public Health Unit, Federal University of Mato Grosso do Sul (UFMS), Campo Grande 79070-900, MS, Brazil; (A.P.D.A.B.); (A.C.J.); (T.M.-A.); (A.P.R.P.)
| | - Tamaeh Monteiro-Alfredo
- Laboratory of Protein Purification and Their Biological Functions, Food Technology and Public Health Unit, Federal University of Mato Grosso do Sul (UFMS), Campo Grande 79070-900, MS, Brazil; (A.P.D.A.B.); (A.C.J.); (T.M.-A.); (A.P.R.P.)
| | - Ana Paula Ramos Pereira
- Laboratory of Protein Purification and Their Biological Functions, Food Technology and Public Health Unit, Federal University of Mato Grosso do Sul (UFMS), Campo Grande 79070-900, MS, Brazil; (A.P.D.A.B.); (A.C.J.); (T.M.-A.); (A.P.R.P.)
| | - Maria Luiza Vilela Oliva
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo 04023-062, SP, Brazil;
| | - Durvanei Augusto Maria
- Divisão de Ciências Fisiológicas e Químicas, Serviço de Bioquímica, Instituto Butantan, São Paulo 05585-000, SP, Brazil;
| | - Maria Lígia Rodrigues Macedo
- Laboratory of Protein Purification and Their Biological Functions, Food Technology and Public Health Unit, Federal University of Mato Grosso do Sul (UFMS), Campo Grande 79070-900, MS, Brazil; (A.P.D.A.B.); (A.C.J.); (T.M.-A.); (A.P.R.P.)
- Department of Pharmaceutical Sciences, Food, and Nutrition, Federal University of Mato Grosso do Sul, Campo Grande 79070-900, MS, Brazil
| |
Collapse
|
3
|
Nogueira FC, de Souza AÁ, Araújo NMS, de Souza LAL, Guimarães Gomes Silva R, de Oliveira Bezerra de Sousa D, Coêlho Cavalcanti B, de Moraes Filho MO, Gurgel do Amaral Valente Sá L, Vitoriano Nobre Júnior H, de Oliveira HD. Antifungal activity of a trypsin inhibitor from Salvia hispanica L. (chia) seeds against fluconazole-resistant strains of Candida spp. and evaluation of its toxicity in vitro. Braz J Microbiol 2024; 55:1205-1217. [PMID: 38594492 PMCID: PMC11153404 DOI: 10.1007/s42770-024-01337-7] [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: 03/07/2023] [Accepted: 04/03/2024] [Indexed: 04/11/2024] Open
Abstract
The incidence of Candida species resistant to traditional antifungal drugs is increasing globally. This issue significantly impacts patients' lives and increases healthcare expenses, confirming the need to develop novel therapeutic strategies. Recently, a thermostable trypsin inhibitor named ShTI (11.558 kDa), which has antibacterial effects on Staphylococcus aureus, was isolated from Salvia hispanica L. (chia) seeds. This study aimed to assess the antifungal effect of ShTI against Candida species and its synergism with fluconazole and to evaluate its mode of action. Preliminary toxicological studies on mouse fibroblasts were also performed. ShTI exhibited antifungal effects against C. parapsilosis (ATCC® 22,019), C. krusei (ATCC® 6258), and six clinical fluconazole-resistant strains of C. albicans (2), C. parapsilosis (2), and C. tropicalis (2). The minimum inhibitory concentration (MIC) values were 4.1 µM (inhibiting 50% of the isolates) and 8.2 µM (inhibiting 100% of the isolates). Additionally, when combined with fluconazole, ShTI had a synergistic effect on C. albicans, altering the morphological structure of the yeast. The mode of action of ShTI against C. krusei (ATCC® 6258) and C. albicans involves cell membrane permeabilization, the overproduction of reactive oxygen species, the formation of pseudohyphae, pore formation, and consequently, cell death. In addition, ShTI (8.65 and 17.3 µM) had noncytotoxic and nongenotoxic effects on L929 mouse fibroblasts. These findings suggest that ShTI could be a promising antimicrobial candidate, but further research is necessary to advance its application as a novel antifungal agent.
Collapse
Affiliation(s)
- Francisca Cristiane Nogueira
- Department of Biochemistry and Molecular Biology, Science Center, Federal University of Ceará, Campus Do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil
| | - Adson Ávila de Souza
- Department of Biochemistry and Molecular Biology, Science Center, Federal University of Ceará, Campus Do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil
| | - Nadine Monteiro Salgueiro Araújo
- Department of Biochemistry and Molecular Biology, Science Center, Federal University of Ceará, Campus Do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil
| | - Larissa Alves Lopes de Souza
- Department of Biochemistry and Molecular Biology, Science Center, Federal University of Ceará, Campus Do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil
| | - Rafael Guimarães Gomes Silva
- Department of Biology, Science Center, Federal University of Ceará, Campus Do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil
| | - Daniele de Oliveira Bezerra de Sousa
- Department of Biochemistry and Molecular Biology, Science Center, Federal University of Ceará, Campus Do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil
| | - Bruno Coêlho Cavalcanti
- Drug Research and Development Center, Federal University of Ceará, Campus Do Porangabussu, Fortaleza, CE, 60430-270, Brazil
| | - Manoel Odorico de Moraes Filho
- Drug Research and Development Center, Federal University of Ceará, Campus Do Porangabussu, Fortaleza, CE, 60430-270, Brazil
| | | | - Hélio Vitoriano Nobre Júnior
- Drug Research and Development Center, Federal University of Ceará, Campus Do Porangabussu, Fortaleza, CE, 60430-270, Brazil
| | - Hermógenes David de Oliveira
- Department of Biochemistry and Molecular Biology, Science Center, Federal University of Ceará, Campus Do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil.
| |
Collapse
|
4
|
Akhtar U, Khurshid Y, El-Aarag B, Syed B, Khan IA, Parang K, Ahmed A. Proteomic characterization and cytotoxic potential of proteins from Cuscuta (Cuscuta epithymum (L.) crude herbal product against MCF-7 human breast cancer cell line. BMC Complement Med Ther 2024; 24:195. [PMID: 38769554 PMCID: PMC11103822 DOI: 10.1186/s12906-024-04495-1] [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: 01/19/2024] [Accepted: 05/09/2024] [Indexed: 05/22/2024] Open
Abstract
BACKGROUND The burden of breast cancer, the second leading cause of death worldwide, is increasing at an alarming rate. Cuscuta, used in traditional medicine for different ailments, including cancer, is known for containing phytochemicals that exhibit anticancer activity; however, the bioactivities of proteins from this plant remain unexplored. This study aimed to screen the cytotoxic potential of proteins from the crude herbal product of Cuscuta epithymum(L.) (CE) harvested from the host plants Alhagi maurorum and Medicago sativa. METHODS The proteins from CE were extracted using a salting-out method, followed by fractionation with a gel filtration chromatography column. Gel-free shotgun proteomics was subsequently performed for protein characterization. The viability assay using MTT was applied to deduce the cytotoxic potential of proteins against MCF-7 breast cancer cells, with further exploration of the effect of treatment on the expression of the apoptotic mediator BCL2-associated X protein (BAX) and B-cell lymphoma protein 2 (BCL-2) proteins, using western blotting to strengthen the findings from the in vitro viability assay. RESULTS The crude proteins (CP) of CE were separated into four protein peaks (P1, P2, P3, and P4) by gel filtration chromatography. The evaluation of potency showed a dose-dependent decline in the MCF-7 cell line after CP, P1, P2, and P3 treatment with the respective IC50 values of 33.8, 43.1, 34.5, and 28.6 µg/ml. The percent viability of the cells decreased significantly upon treatment with 50 µg/ml CP, P1, P2, and P3 (P < 0.001). Western-blot analysis revealed upregulation of proapoptotic protein BAX in the cells treated with CP, P3 (P < 0.01), and P2 (P < 0.05); however, the antiapoptotic protein, BCL-2 was downregulated in the cells treated with CP and P3 (P < 0.01), but no significant change was detected in P2 treated cells. The observed cytotoxic effects of proteins in the CP, P1, P2, and P3 from the in vitro viability assay and western blot depicted the bioactivity potential of CE proteins. The database search revealed the identities of functionally important proteins, including nonspecific lipid transfer protein, superoxide dismutase, carboxypeptidase, RNase H domain containing protein, and polyribonucleotide nucleotidyltransferase, which have been previously reported from other plants to exhibit anticancer activity. CONCLUSION This study indicated the cytotoxic activity of Cuscuta proteins against breast cancer MCF-7 cells and will be utilized for future investigations on the mechanistic effect of active proteins. The survey of CE proteins provided substantial data to encourage further exploration of biological activities exhibited by proteins in Cuscuta.
Collapse
Affiliation(s)
- Umaima Akhtar
- Biomedical and Pharmaceutical Sciences, Chapman University School of Pharmacy, 9401 Jeronimo Road, Irvine, CA, 92618, USA
- Jamil-ur-Rahman Center for Genome Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan
| | - Yamna Khurshid
- Biomedical and Pharmaceutical Sciences, Chapman University School of Pharmacy, 9401 Jeronimo Road, Irvine, CA, 92618, USA
| | - Bishoy El-Aarag
- Biomedical and Pharmaceutical Sciences, Chapman University School of Pharmacy, 9401 Jeronimo Road, Irvine, CA, 92618, USA
- Biochemistry Division, Chemistry Department, Faculty of Science, Menoufia University, Shebin El-Koom, 32512, Egypt
| | - Basir Syed
- Biomedical and Pharmaceutical Sciences, Chapman University School of Pharmacy, 9401 Jeronimo Road, Irvine, CA, 92618, USA
| | - Ishtiaq A Khan
- Jamil-ur-Rahman Center for Genome Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan
| | - Keykavous Parang
- Biomedical and Pharmaceutical Sciences, Chapman University School of Pharmacy, 9401 Jeronimo Road, Irvine, CA, 92618, USA
| | - Aftab Ahmed
- Biomedical and Pharmaceutical Sciences, Chapman University School of Pharmacy, 9401 Jeronimo Road, Irvine, CA, 92618, USA.
| |
Collapse
|
5
|
Wang Y, Shi D, Zou W, Jiang Y, Wang T, Chen X, Ma C, Li W, Chen T, Burrows JF, Wang L, Zhou M. An Effective Modification Strategy to Build Multifunctional Peptides Based on a Trypsin Inhibitory Peptide of the Kunitz Family. Pharmaceutics 2024; 16:597. [PMID: 38794259 PMCID: PMC11125039 DOI: 10.3390/pharmaceutics16050597] [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: 03/25/2024] [Revised: 04/18/2024] [Accepted: 04/25/2024] [Indexed: 05/26/2024] Open
Abstract
Peptides with antimicrobial activity or protease inhibitory activity are potential candidates to supplement traditional antibiotics or cancer chemotherapies. However, the potential of many peptides are limited by drawbacks such as cytotoxicity or susceptibility to hydrolysis. Therefore, strategies to modify the structure of promising peptides may represent an effective approach for developing more promising clinical candidates. In this study, the mature peptide OSTI-1949, a Kunitz-type inhibitor from Odorrana schmackeri, and four designed analogues were successfully synthesised. In contrast to the parent peptide, the analogues showed impressive multi-functionality including antimicrobial, anticancer, and trypsin inhibitory activities. In terms of safety, there were no obvious changes observed in the haemolytic activity at the highest tested concentration, and the analogue OSTI-2461 showed an increase in activity against cancer cell lines without cytotoxicity to normal cells (HaCaT). In summary, through structural modification of a natural Kunitz-type peptide, the biological activity of analogues was improved whilst retaining low cytotoxicity. The strategy of helicity enhancement by forming an artificial α-helix and ß-sheet structure provides a promising way to develop original bioactive peptides for clinical therapeutics.
Collapse
Affiliation(s)
- Ying Wang
- Natural Drug Discovery Group, School of Pharmacy, Queen’s University Belfast, Belfast BT9 7BL, Northern Ireland, UK; (Y.W.); (W.Z.); (Y.J.); (T.W.); (C.M.); (T.C.); (J.F.B.); (L.W.); (M.Z.)
| | - Daning Shi
- Chinese Academy of Agricultural Sciences, No.12 Zhongguancun South Street, Haidian District, Beijing 100081, China;
| | - Wanchen Zou
- Natural Drug Discovery Group, School of Pharmacy, Queen’s University Belfast, Belfast BT9 7BL, Northern Ireland, UK; (Y.W.); (W.Z.); (Y.J.); (T.W.); (C.M.); (T.C.); (J.F.B.); (L.W.); (M.Z.)
- College of Chinese Medicinal Materials, Jilin Provincial International Joint Research Center for the Development and Utilization of Authentic Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Yangyang Jiang
- Natural Drug Discovery Group, School of Pharmacy, Queen’s University Belfast, Belfast BT9 7BL, Northern Ireland, UK; (Y.W.); (W.Z.); (Y.J.); (T.W.); (C.M.); (T.C.); (J.F.B.); (L.W.); (M.Z.)
| | - Tao Wang
- Natural Drug Discovery Group, School of Pharmacy, Queen’s University Belfast, Belfast BT9 7BL, Northern Ireland, UK; (Y.W.); (W.Z.); (Y.J.); (T.W.); (C.M.); (T.C.); (J.F.B.); (L.W.); (M.Z.)
| | - Xiaoling Chen
- Natural Drug Discovery Group, School of Pharmacy, Queen’s University Belfast, Belfast BT9 7BL, Northern Ireland, UK; (Y.W.); (W.Z.); (Y.J.); (T.W.); (C.M.); (T.C.); (J.F.B.); (L.W.); (M.Z.)
| | - Chengbang Ma
- Natural Drug Discovery Group, School of Pharmacy, Queen’s University Belfast, Belfast BT9 7BL, Northern Ireland, UK; (Y.W.); (W.Z.); (Y.J.); (T.W.); (C.M.); (T.C.); (J.F.B.); (L.W.); (M.Z.)
| | - Wei Li
- College of Chinese Medicinal Materials, Jilin Provincial International Joint Research Center for the Development and Utilization of Authentic Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Tianbao Chen
- Natural Drug Discovery Group, School of Pharmacy, Queen’s University Belfast, Belfast BT9 7BL, Northern Ireland, UK; (Y.W.); (W.Z.); (Y.J.); (T.W.); (C.M.); (T.C.); (J.F.B.); (L.W.); (M.Z.)
| | - James F. Burrows
- Natural Drug Discovery Group, School of Pharmacy, Queen’s University Belfast, Belfast BT9 7BL, Northern Ireland, UK; (Y.W.); (W.Z.); (Y.J.); (T.W.); (C.M.); (T.C.); (J.F.B.); (L.W.); (M.Z.)
| | - Lei Wang
- Natural Drug Discovery Group, School of Pharmacy, Queen’s University Belfast, Belfast BT9 7BL, Northern Ireland, UK; (Y.W.); (W.Z.); (Y.J.); (T.W.); (C.M.); (T.C.); (J.F.B.); (L.W.); (M.Z.)
| | - Mei Zhou
- Natural Drug Discovery Group, School of Pharmacy, Queen’s University Belfast, Belfast BT9 7BL, Northern Ireland, UK; (Y.W.); (W.Z.); (Y.J.); (T.W.); (C.M.); (T.C.); (J.F.B.); (L.W.); (M.Z.)
| |
Collapse
|
6
|
Teixeira EMGF, Kalume DE, Ferreira PF, Alves TA, Fontão APGA, Sampaio ALF, de Oliveira DR, Morgado-Díaz JA, Silva-López RE. A Novel Trypsin Kunitz-Type Inhibitor from Cajanus cajan Leaves and Its Inhibitory Activity on New Cancer Serine Proteases and Its Effect on Tumor Cell Growth. Protein J 2024; 43:333-350. [PMID: 38347326 DOI: 10.1007/s10930-023-10175-9] [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] [Accepted: 11/28/2023] [Indexed: 05/01/2024]
Abstract
A novel trypsin inhibitor from Cajanus cajan (TIC) fresh leaves was partially purified by affinity chromatography. SDS-PAGE revealed one band with about 15 kDa with expressive trypsin inhibitor activity by zymography. TIC showed high affinity for trypsin (Ki = 1.617 μM) and was a competitive inhibitor for this serine protease. TIC activity was maintained after 24 h of treatment at 70 °C, after 1 h treatments with different pH values, and β-mercaptoethanol increasing concentrations, and demonstrated expressive structural stability. However, the activity of TIC was affected in the presence of oxidizing agents. In order to study the effect of TIC on secreted serine proteases, as well as on the cell culture growth curve, SK-MEL-28 metastatic human melanoma cell line and CaCo-2 colon adenocarcinoma was grown in supplemented DMEM, and the extracellular fractions were submitted salting out and affinity chromatography to obtain new secreted serine proteases. TIC inhibited almost completely, 96 to 89%, the activity of these serine proteases and reduced the melanoma and colon adenocarcinoma cells growth of 48 and 77% respectively. Besides, it is the first time that a trypsin inhibitor was isolated and characterized from C. cajan leaves and cancer serine proteases were isolated and partial characterized from SK-MEL-28 and CaCo-2 cancer cell lines. Furthermore, TIC shown to be potent inhibitor of tumor protease affecting cell growth, and can be one potential drug candidate to be employed in chemotherapy of melanoma and colon adenocarcinoma.
Collapse
Affiliation(s)
- Erika Maria Gomes Ferreira Teixeira
- Departament of Natural Products, Institute of Pharmaceuticals Technology, FIOCRUZ, Av. Brasil 4365, Rio de Janeiro, Rio de Janeiro, 21045-900, Brazil
- Laboratory of Bioprospection and Applied Ethnopharmacology, Federal University of Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
| | - Dario Eluam Kalume
- Interdisciplinary Laboratory of Medical Research, IOC-Oswaldo Cruz Institute, FIOCRUZ, Av. Brasil 4365, Rio de Janeiro, Rio de Janeiro, CEP 21045-900, Brazil
| | - Patrícia Fernandes Ferreira
- Departament of Natural Products, Institute of Pharmaceuticals Technology, FIOCRUZ, Av. Brasil 4365, Rio de Janeiro, Rio de Janeiro, 21045-900, Brazil
| | - Thayane Aparecida Alves
- Departament of Natural Products, Institute of Pharmaceuticals Technology, FIOCRUZ, Av. Brasil 4365, Rio de Janeiro, Rio de Janeiro, 21045-900, Brazil
| | - Ana Paula G A Fontão
- Departament of Pharmacology, Institute of Pharmaceuticals Technology, FIOCRUZ, Av. Brasil 4365, Rio de Janeiro, Rio de Janeiro, CEP 21045-900, Brazil
| | - André Luís Franco Sampaio
- Departament of Pharmacology, Institute of Pharmaceuticals Technology, FIOCRUZ, Av. Brasil 4365, Rio de Janeiro, Rio de Janeiro, CEP 21045-900, Brazil
| | - Danilo Ribeiro de Oliveira
- Laboratory of Bioprospection and Applied Ethnopharmacology, Federal University of Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
| | - José Andrés Morgado-Díaz
- Cellular and Molecular Oncobiology Program, National Institute of Cancer (INCa), Rio de Janeiro, Brazil
| | - Raquel Elisa Silva-López
- Departament of Natural Products, Institute of Pharmaceuticals Technology, FIOCRUZ, Av. Brasil 4365, Rio de Janeiro, Rio de Janeiro, 21045-900, Brazil.
| |
Collapse
|
7
|
Jemel I, Krayem N, Ben Bacha A, Alonazi M, Horchani H, Ghamgui H. Novel Stable Protease Inhibitor from Phoenix dactylifera(L.) Flowers with Antimicrobial and Antitumoral Activities. ACS OMEGA 2024; 9:13332-13341. [PMID: 38524442 PMCID: PMC10956122 DOI: 10.1021/acsomega.3c10287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 02/12/2024] [Accepted: 02/19/2024] [Indexed: 03/26/2024]
Abstract
A novel protease inhibitor isolated from date palm Phoenix dactylifera(L.) flowers (PIDF) was purified and characterized. A heat and acidic treatment step followed by ethanol precipitation and reverse-phase high-performance chromatography was applied to purify this natural protease inhibitor to homogeneity with a single band of about 19 kDa. The stability study depicted that PIDF was fully stable at 40 °C and retained 65% of its initial activity after heating at 50 °C for 24 h. Its thermal stability at 70 °C was markedly enhanced by adding calcium, bovine serum albumin, and sorbitol as well as by metal divalent cations, especially Mg2+ and Hg2+. This protease inhibitor showed high inhibitory activity against therapeutic proteases, including pepsin, trypsin, chymotrypsin, and collagenase, and acted as a potent inhibitor of some commercial microbial proteases from Aspergillus oryzae, Bacillus. sp, and Bacillus licheniformis. Moreover, a potent antibacterial spectrum against Gram (+) and Gram (-) bacterial strains and an efficient antifungal effect were observed. Its cytotoxicity toward human colorectal cancer cell LoVo and HCT-116 lines suggested that PIDF could serve as a new therapeutic target inhibiting human colorectal cancer.
Collapse
Affiliation(s)
- Ikram Jemel
- Laboratory
of Plant Biotechnology Applied to Crop Improvement, Faculty of Science
of Sfax, University of Sfax, Sfax 3038, Tunisia
| | - Najeh Krayem
- Laboratory
of Biochemistry and Enzymatic Engineering of Lipases, ENIS, University of Sfax, Soukra Road, BP1171, Sfax 3038, Tunisia
| | - Abir Ben Bacha
- Biochemistry
Department, College of Sciences, King Saud
University, P.O. Box 22452, Riyadh 11495, Saudi Arabia
| | - Mona Alonazi
- Biochemistry
Department, College of Sciences, King Saud
University, P.O. Box 22452, Riyadh 11495, Saudi Arabia
| | - Habib Horchani
- Environment
and Biotechnology Research Group, Science Department, College of Rivière-Du-Loup, Rivère-Du-Loup, Québec G5R1E2, Canada
| | - Hanène Ghamgui
- Laboratory
of Biochemistry and Enzymatic Engineering of Lipases, ENIS, University of Sfax, Soukra Road, BP1171, Sfax 3038, Tunisia
| |
Collapse
|
8
|
Chen Y, Yang S, Zeng W, Zheng X, Wang P, Fu H, Yang F. Salicylic acid inducing the expression of maize anti-insect gene SPI: a potential control strategy for Ostrinia furnacalis. BMC PLANT BIOLOGY 2024; 24:152. [PMID: 38418954 PMCID: PMC10902998 DOI: 10.1186/s12870-024-04855-6] [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: 10/17/2023] [Accepted: 02/22/2024] [Indexed: 03/02/2024]
Abstract
BACKGROUND Due to being rooted in the ground, maize (Zea mays L.) is unable to actively escape the attacks of herbivorous insects such as the Asian corn borer (Ostrinia furnacalis). In contrast to the passive damage, plants have evolved defense mechanisms to protect themselves from herbivores. Salicylic acid, a widely present endogenous hormone in plants, has been found to play an important role in inducing plant resistance to insects. In this study, we screened and identified the insect resistance gene SPI, which is simultaneously induced by SA and O. furnacalis feeding, through preliminary transcriptome data analysis. The functional validation of SPI was carried out using bioinformatics, RT-qPCR, and heterologous expression protein feeding assays. RESULTS Both SA and O. furnacalis treatment increased the expression abundance of SA-synthesis pathway genes and SPI in three maize strains, and the upregulation of SPI was observed strongly at 6 hours post-treatment. The expression of SPI showed a temporal relationship with SA pathway genes, indicating that SPI is a downstream defense gene regulated by SA. Protein feeding assays using two different expression vectors demonstrated that the variation in SPI protein activity among different strains is mainly due to protein modifications. CONCLUSIONS Our research results indicate that SPI, as a downstream defense gene regulated by SA, is induced by SA and participates in maize's insect resistance. The differential expression levels of SPI gene and protein modifications among different maize strains are one of the reasons for the variation in insect resistance. This study provides new insights into ecological pest control in maize and valuable insights into plant responses to SA-induced insect resistance.
Collapse
Affiliation(s)
- Yuanlong Chen
- Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education & Heilongjiang Provincial Key Laboratory of Ecological Restoration and Resource Utilization for Cold Region & Key Laboratory of Molecular Biology, College of Heilongjiang Province & School of Life Sciences, Heilongjiang University, Harbin, 150080, China
| | - Siyuan Yang
- Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education & Heilongjiang Provincial Key Laboratory of Ecological Restoration and Resource Utilization for Cold Region & Key Laboratory of Molecular Biology, College of Heilongjiang Province & School of Life Sciences, Heilongjiang University, Harbin, 150080, China
| | - Wei Zeng
- School of economies and management, Beijing University of chemical technology, Beijing, 100029, China
| | - Xu Zheng
- Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education & Heilongjiang Provincial Key Laboratory of Ecological Restoration and Resource Utilization for Cold Region & Key Laboratory of Molecular Biology, College of Heilongjiang Province & School of Life Sciences, Heilongjiang University, Harbin, 150080, China
| | - Pan Wang
- Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education & Heilongjiang Provincial Key Laboratory of Ecological Restoration and Resource Utilization for Cold Region & Key Laboratory of Molecular Biology, College of Heilongjiang Province & School of Life Sciences, Heilongjiang University, Harbin, 150080, China
| | - Haiyan Fu
- Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education & Heilongjiang Provincial Key Laboratory of Ecological Restoration and Resource Utilization for Cold Region & Key Laboratory of Molecular Biology, College of Heilongjiang Province & School of Life Sciences, Heilongjiang University, Harbin, 150080, China.
| | - Fengshan Yang
- Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education & Heilongjiang Provincial Key Laboratory of Ecological Restoration and Resource Utilization for Cold Region & Key Laboratory of Molecular Biology, College of Heilongjiang Province & School of Life Sciences, Heilongjiang University, Harbin, 150080, China.
| |
Collapse
|
9
|
Baothman O, Ali EMM, Hosawi S, Hassan E. Konozy E, Abu Zeid IM, Ahmad A, Altayb HN. Prediction of anticancer peptides derived from the true lectins of Phoenix dactylifera and their synergetic effect with mitotane. Front Pharmacol 2024; 15:1322865. [PMID: 38464729 PMCID: PMC10920327 DOI: 10.3389/fphar.2024.1322865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 01/18/2024] [Indexed: 03/12/2024] Open
Abstract
Background and aims: Cancer continues to be a significant source of both illness and death on a global scale, traditional medicinal plants continue to serve as a fundamental resource of natural bioactive compounds as an alternative source of remedies. Although there have been numerous studies on the therapeutic role of Phoenix dactylifera, the study of the role of peptides has not been thoroughly investigated. This study aimed to investigate the anticancer activity of lectin peptides from P. dactylifera using in silico and in vivo analysis. Methods: Different computational tools were used to extract and predict anticancer peptides from the true lectins of P. dactylifera. Nine peptides that are bioactive substances have been investigated for their anticancer activity against MCF-7 and T47D (two forms of breast cancer). To counteract the unfavorable effects of mitotane, the most potent peptides (U3 and U7) were combined with it and assessed for anticancer activity against MCF-7 and HepG2. Results: In silico analysis revealed that nine peptides were predicted with anticancer activity. In cell lines, the lowest IC50 values were measured in U3 and U7 against MCF-7 and T47D cells. U3 or U7 in combination with mitotane demonstrated the lowest IC50 against MCF-7 and HepG2. The maximum level of cell proliferation inhibition was 22% when U3 (500 µg/mL) and 25 µg/mL mitotane were combined, compared to 41% when 25 µg/mL mitotane was used alone. When mitotane and U3 or U7 were combined, it was shown that these bioactive substances worked synergistically with mitotane to lessen its negative effects. The combination of peptides and mitotane could be regarded as an efficient chemotherapeutic medication having these bioactive properties for treating a variety of tumors while enhancing the reduction of side effects.
Collapse
Affiliation(s)
- Othman Baothman
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
- Center of Artificial Intelligence in Precision Medicines, King Abdulaziz University, Jeddah, Saudi
| | - Ehab M. M. Ali
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
- Division of Biochemistry, Chemistry Department, Faculty of Science Tanta University, Tanta, Egypt
| | - Salman Hosawi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Emadeldin Hassan E. Konozy
- Laboratory of Proteomics and Glycoproteins, Biotechnology Park, Africa City of Technology, Khartoum, Sudan
- Pharmaceutical Research and Development Centre, Faculty of Pharmacy, Karary University, Omdurman, Sudan
| | - Isam M. Abu Zeid
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Abrar Ahmad
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hisham N. Altayb
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
- Center of Artificial Intelligence in Precision Medicines, King Abdulaziz University, Jeddah, Saudi
| |
Collapse
|
10
|
Rangra S, Chakraborty R, Hasija Y, Aggarwal KK. A cystatin C similar protein from Musa acuminata that inhibits cathepsin B involved in rheumatoid arthritis using in silico approach and in vitro cathepsin B inhibition by protein extract. J Biomol Struct Dyn 2023; 41:10985-10998. [PMID: 37097972 DOI: 10.1080/07391102.2023.2203234] [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: 09/01/2022] [Accepted: 12/10/2022] [Indexed: 04/26/2023]
Abstract
Rheumatoid arthritis (RA) is an auto-immune disease that affects the synovial lining of the joints, causes synovitis and culminates to joint destruction. Cathepsin B is responsible for digesting unwanted proteins in extracellular matrix but its hyper expression could implicate in pathological diseases like RA. Available treatments for RA are classified into non-steroidal anti-inflammatory drugs (NSAIDs), disease-modifying anti-rheumatic drugs (DMARDs), and steroids, but the severe side effects associated with these drugs is one of concerns and cannot be ignored. Thus, any alternative therapy with minimum or no side effects would be a cornerstone. In our in silico studies a cystatin C similar protein (CCSP) has been identified from Musa acuminata that could effectively inhibit the cathepsin B activity. In silico and molecular dynamics studies showed that the identified CCSP and cathepsin B complex has binding energy -66.89 kcal/mol as compared to cystatin C - cathepsin B complex with binding energy of -23.38 kcal/mol. These results indicate that CCSP from Musa acuminata has better affinity towards cathepsin B as compared to its natural inhibitor cystatin C. Hence, CCSP may be suggested as an alternative therapeutic in combating RA by inhibiting its one of the key proteases cathepsin B. Further, in vitro experiments with fractionated protein extracts from Musa sp. peel inhibited cathepsin B to 98.30% at 300 µg protein concentration and its IC50 was found to be 45.92 µg indicating the presence of cathepsin B inhibitor(s) in protein extract of peel which was further confirmed by reverse zymography.Communicated by Ramaswamy H. Sarma.
Collapse
Affiliation(s)
- Sabita Rangra
- University School of Biotechnology, Guru Gobind Singh Indraprastha University, New Delhi, India
| | | | - Yasha Hasija
- Department of Biotechnology, Delhi Technological University, New Delhi, India
| | - Kamal Krishan Aggarwal
- University School of Biotechnology, Guru Gobind Singh Indraprastha University, New Delhi, India
| |
Collapse
|
11
|
Kuppusamy KM, Selvaraj S, Singaravelu P, John CM, Racheal K, Varghese K, Kaliyamoorthy D, Perumal E, Gunasekaran K. Anti-microbial and anti-cancer efficacy of acetone extract of Rosa chinensis against resistant strain and lung cancer cell line. BMC Complement Med Ther 2023; 23:406. [PMID: 37950173 PMCID: PMC10636979 DOI: 10.1186/s12906-023-04222-2] [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: 05/11/2023] [Accepted: 10/16/2023] [Indexed: 11/12/2023] Open
Abstract
BACKGROUND Screening of herbal plants for various therapeutic properties is the hour as it shows promising activity. Scientific evidence of the pharmacological activity of the plant strengthens the traditional application of plants. METHODS Rose flowers (Rosa chinensis) were procured and grounded into a coarse powder. The DNA was isolated from rose flower and molecular identification was performed by rbcL-BF and rbcL-724R primers. Antibacterial activity was evaluated by using disc and agar diffusion methods and the anti-cancer effect of the rose flower extract (RE) was examined using MTT assay in lung cancer cell line. The mechanism of cell death induced by RE was qualitatively measured using Acridine orange/Ethidium bromide staining and Hoechst staining. GC-MS analysis was performed using GC-MS-5975C. RESULT The RE showed potent antimicrobial activity against various ATCC cultures. The rose extract strongly inhibits the growth of ESBL resistant organism along with inhibition of biofilm formation in the ESBL resistant organism. The extract caused apoptotic and necrotic cell death in lung cancer cells. GC-MS analysis demonstrated the presence of several biologically active compounds such as Clindamycin, Phytol, Octanoic acid, and Stigmasterol which might be the reason for the therapeutic properties of the plant. CONCLUSION This study shows the antimicrobial and biofilm inhibition activity against the clinical isolates of Klebsiella pneumonia. The study shows the cytotoxic and apoptotic activity in A549 cancer cell line. Thus, the plant may act as a potent antimicrobial drug against resistant strains.
Collapse
Affiliation(s)
- Kalaivani Madhavaram Kuppusamy
- Research Centre for Cellular Genomics and Cancer Research, Sree Balaji Medical College and Hospital, Chennai, 600044, India
| | - Sivakumar Selvaraj
- Molecular Biology section, Consultant Molecular Biologist, Medall Healthcare Private Limited, Chennai, India
| | - Pujithaa Singaravelu
- Research Centre for Cellular Genomics and Cancer Research, Sree Balaji Medical College and Hospital, Chennai, 600044, India
| | - Cordelia Mano John
- Department of Biomedical Sciences, Sri Ramachandra Institute of Higher Education and Research, Chennai, India
| | - Kalaiselvan Racheal
- Department of Biotechnology, Dr. M.G.R. Educational and Research Institute, Chennai, India
| | - Keziaann Varghese
- Department of Biotechnology, Dr. M.G.R. Educational and Research Institute, Chennai, India
| | - Dinesh Kaliyamoorthy
- Department of Microbiology, Sree Balaji Medical College and Hospital, Chennai, 600044, India
| | - Elumalai Perumal
- Centre for Global Health Research, Saveetha Medical College, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, India.
| | - Krishnamoorthy Gunasekaran
- Department of Medical Biochemistry, College of Health Sciences, Dambi Dollo University, KelamWelega Zone, Dembidolo, P.O. Box: 360, Oromia Region, Ethiopia.
| |
Collapse
|
12
|
Soltanieh S, Salavatizadeh M, Ghazanfari T, Jahromi SR, Yari Z, Mansournia MA, Nazemipour M, Kheradmand JA, Ardestani SK, Karimi S, Hekmatdoost A. Plant-based diet and COVID-19 severity: results from a cross-sectional study. BMJ Nutr Prev Health 2023; 6:182-187. [PMID: 38618542 PMCID: PMC11009546 DOI: 10.1136/bmjnph-2023-000688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 09/19/2023] [Indexed: 04/16/2024] Open
Abstract
Although previous findings have shown the beneficial role of healthy eating pattern on the human immune system, the association between plant-based diet and COVID-19 severity has not yet been elucidated. This study aimed to determine the possible role of plant-based diet index (PDI) in COVID-19 severity. This cross-sectional, multicentral study was conducted on 141 patients with confirmed COVID-19. Dietary intakes of the patients were evaluated using a validated food frequency questionnaire. Then, PDI was compared between patients who needed to be hospitalised (considered severe cases), and those who got treatment at home (considered non-severe cases). After adjustment for confounders including age, sex, energy intake and body mass index, lower odds of hospitalisation were found for participants having a greater score of overall PDI (OR per 10 units increase: 0.42; 95% CI 0.22 to 0.80) and healthy PDI (OR per 10 unit increase: 0.45; 95% CI 0.26 to 0.78). In conclusion, our data presented that there is a relation between PDI and lower risk of hospitalisation in COVID-19 patients, possibly through boosting the immune function.
Collapse
Affiliation(s)
- Samira Soltanieh
- Department of Clinical Nutrition and Dietetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran (the Islamic Republic of)
| | - Marieh Salavatizadeh
- Department of Clinical Nutrition and Dietetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran (the Islamic Republic of)
| | - Tooba Ghazanfari
- Immunoregulation Research Center, Shahed University, Tehran, Iran (the Islamic Republic of)
| | - Soodeh Razeghi Jahromi
- Department of Clinical Nutrition and Dietetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran (the Islamic Republic of)
| | - Zahra Yari
- Department of Clinical Nutrition and Dietetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran (the Islamic Republic of)
| | - Mohammad Ali Mansournia
- Department of Epidemiology and Biostatistics, Tehran University of Medical Sciences, Tehran, Iran (the Islamic Republic of)
| | - Maryam Nazemipour
- Department of Epidemiology and Biostatistics, Tehran University of Medical Sciences, Tehran, Iran (the Islamic Republic of)
| | | | - Sussan K Ardestani
- Department of Immunology, University of Tehran, Tehran, Iran (the Islamic Republic of)
| | - Sara Karimi
- Department of Clinical Nutrition and Dietetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran (the Islamic Republic of)
| | - Azita Hekmatdoost
- Department of Clinical Nutrition and Dietetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran (the Islamic Republic of)
| |
Collapse
|
13
|
de Souza AÁ, Lima AM, Dede Oliveira BezerraSousa D, Nogueira FC, do Sacramento Neto JC, Dias LP, Araújo NMS, Nagano CS, Júnior HVN, da Silva CR, do Amaral Valente Sá LG, de Andrade Neto JB, Barroso FDD, de Moraes MEA, de Oliveira HD. Chia (Salvia hispanica L.) Seeds Contain a Highly Stable Trypsin Inhibitor with Potential for Bacterial Management Alone or in Drug Combination Therapy with Oxacillin. Probiotics Antimicrob Proteins 2023; 15:1221-1233. [PMID: 35995908 DOI: 10.1007/s12602-022-09979-5] [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] [Accepted: 08/15/2022] [Indexed: 11/26/2022]
Abstract
The emergence of antibiotic resistance poses a serious and challenging threat to healthcare systems, making it imperative to discover novel therapeutic options. This work reports the isolation and characterization of a thermostable trypsin inhibitor from chia (Salvia hispanica L.) seeds, with antibacterial activity against Staphylococcus aureus sensitive and resistant to methicillin. The trypsin inhibitor ShTI was purified from chia seeds through crude extract heat treatment, followed by affinity and reversed-phase chromatography. Tricine-SDS-PAGE revealed a single glycoprotein band of ~ 11 kDa under nonreducing conditions, confirmed by mass spectrometry analysis (11.558 kDa). ShTI was remarkably stable under high temperatures (100 °C; 120 min) and a broad pH range (2-10; 30 min). Upon exposure to DTT (0.1 M; 120 min), ShTI antitrypsin activity was partially lost (~ 38%), indicating the participation of disulfide bridges in its structure. ShTI is a competitive inhibitor (Ki = 1.79 × 10-8 M; IC50 = 1.74 × 10-8 M) that forms a 1:1 stoichiometry ratio for the ShTI:trypsin complex. ShTI displayed antibacterial activity alone (MICs range from 15.83 to 19.03 µM) and in combination with oxacillin (FICI range from 0.20 to 0.33) against strains of S. aureus, including methicillin-resistant strains. Overproduction of reactive oxygen species and plasma membrane pore formation are involved in the antibacterial action mode of ShTI. Overall, ShTI represents a novel candidate for use as a therapeutic agent for the bacterial management of S. aureus infections.
Collapse
Affiliation(s)
- Adson Ávila de Souza
- Department of Biochemistry and Molecular Biology, Science Center, Federal University of Ceará, Campus do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil
| | - Adrianne Maia Lima
- Department of Biochemistry and Molecular Biology, Science Center, Federal University of Ceará, Campus do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil
| | - Daniele Dede Oliveira BezerraSousa
- Department of Biochemistry and Molecular Biology, Science Center, Federal University of Ceará, Campus do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil
| | - Francisca Cristiane Nogueira
- Department of Biochemistry and Molecular Biology, Science Center, Federal University of Ceará, Campus do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil
| | - José Carlos do Sacramento Neto
- Department of Biochemistry and Molecular Biology, Science Center, Federal University of Ceará, Campus do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil
| | - Lucas Pinheiro Dias
- Department of Biochemistry and Molecular Biology, Science Center, Federal University of Ceará, Campus do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil
| | - Nadine Monteiro Salgueiro Araújo
- Department of Biochemistry and Molecular Biology, Science Center, Federal University of Ceará, Campus do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil
| | - Celso Shiniti Nagano
- Department of Fisher Engineering, Center of Agricultural Sciences, Federal University of Ceará, Campus do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60455-970, Brazil
| | - Hélio Vitoriano Nobre Júnior
- Drug Research and Development Center, Federal University of Ceará, Campus do Porangabussu, Fortaleza, CE, 60430-270, Brazil
| | - Cecília Rocha da Silva
- Drug Research and Development Center, Federal University of Ceará, Campus do Porangabussu, Fortaleza, CE, 60430-270, Brazil
| | | | - João Batista de Andrade Neto
- Drug Research and Development Center, Federal University of Ceará, Campus do Porangabussu, Fortaleza, CE, 60430-270, Brazil
| | - Fátima Daiana Dias Barroso
- Drug Research and Development Center, Federal University of Ceará, Campus do Porangabussu, Fortaleza, CE, 60430-270, Brazil
| | | | - Hermógenes David de Oliveira
- Department of Biochemistry and Molecular Biology, Science Center, Federal University of Ceará, Campus do Pici Prof. Prisco Bezerra, Fortaleza, CE, 60440-900, Brazil.
| |
Collapse
|
14
|
Huang Y, Jonsson NN, McLaughlin M, Burchmore R, Johnson PCD, Jones RO, McGill S, Brady N, Weidt S, Eckersall PD. Quantitative TMT-based proteomics revealing host, dietary and microbial proteins in bovine faeces including barley serpin Z4, a prominent component in the head of beer. J Proteomics 2023; 285:104941. [PMID: 37285906 DOI: 10.1016/j.jprot.2023.104941] [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: 03/01/2023] [Revised: 05/21/2023] [Accepted: 05/25/2023] [Indexed: 06/09/2023]
Abstract
There has been little information about the proteome of bovine faeces or about the contribution to the faecal proteome of proteins from the host, the feed or the intestinal microbiome. Here, the bovine faecal proteome and the origin of its component proteins was assessed, while also determining the effect of treating barley, the major carbohydrate in the feed, with either ammonia (ATB) or sodium propionate (PTB) preservative. Healthy continental crossbreed steers were allocated to two groups and fed on either of the barley-based diets. Five faecal samples from each group were collected on Day 81 of the trial and analysed by quantitative proteomics using nLC-ESI-MS/MS after tandem mass tag labelling. In total, 281 bovine proteins, 199 barley proteins, 176 bacterial proteins and 190 archaeal proteins were identified in the faeces. Mucosal pentraxin, albumin and digestive enzymes were among bovine proteins identified. Serpin Z4 a protease inhibitor was the most abundant barley protein identified which is also found in barley-based beer, while numerous microbial proteins were identified, many originating bacteria from Clostridium, while Methanobrevibacter was the dominant archaeal genus. Thirty-nine proteins were differentially abundant between groups, the majority being more abundant in the PTB group compared to the ATB group. SIGNIFICANCE: Proteomic examination of faeces is becoming a valuable means to assess the health of the gastro-intestinal tract in several species, but knowledge on the proteins present in bovine faeces is limited. This investigation aimed to characterise the proteome of bovine faecal extracts in order to evaluate the potential for investigations of the proteome as a means to assess the health, disease and welfare of cattle in the future. The investigation was able to identify proteins in bovine faeces that had been (i) produced by the individual cattle, (ii) present in the barley-based feed eaten by the cattle or (iii) produced by bacteria and other microbes in the rumen or intestines. Bovine proteins identified included mucosal pentraxin, serum albumin and a variety of digestive enzymes. Barley proteins found in the faeces included serpin Z4, a protease inhibitor that is also found in beer having survived the brewing process. Bacterial and archaeal proteins in the faecal extracts were related to several pathways related to the metabolism of carbohydrates. The recognition of the range of proteins that can be identified in bovine faeces raises the possibility that non-invasive sample collection of this material could provide a novel diagnostic approach to cattle health and welfare.
Collapse
Affiliation(s)
- Y Huang
- School of Biodiversity, One Health & Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, G61 1QH, UK
| | - N N Jonsson
- School of Biodiversity, One Health & Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, G61 1QH, UK
| | - M McLaughlin
- School of Biodiversity, One Health & Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, G61 1QH, UK
| | - R Burchmore
- Institute of Infection, Immunity & Inflammation and Glasgow Polyomics, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G61 1BD, UK
| | - P C D Johnson
- School of Biodiversity, One Health & Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, G61 1QH, UK
| | - R O Jones
- School of Biodiversity, One Health & Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, G61 1QH, UK
| | - S McGill
- Institute of Infection, Immunity & Inflammation and Glasgow Polyomics, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G61 1BD, UK
| | - N Brady
- School of Biodiversity, One Health & Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, G61 1QH, UK
| | - S Weidt
- Institute of Infection, Immunity & Inflammation and Glasgow Polyomics, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G61 1BD, UK
| | - P D Eckersall
- School of Biodiversity, One Health & Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, G61 1QH, UK; Interdisciplinary Laboratory of Clinical Analysis of the University of Murcia (Interlab-UMU), Department of Animal Medicine and Surgery, Veterinary School, University of Murcia, Murcia 30100, Spain.
| |
Collapse
|
15
|
Carvalho A, Domingues I, Carvalho C, Silva AMS, Soares AMVM, Marques CR. In Vitro Antiprotozoal Activity of Hibiscus sabdariffa Extract against a Ciliate Causing High Mortalities in Turbot Aquaculture. BIOLOGY 2023; 12:912. [PMID: 37508344 PMCID: PMC10376481 DOI: 10.3390/biology12070912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 06/19/2023] [Accepted: 06/23/2023] [Indexed: 07/30/2023]
Abstract
Philasterides dicentrarchi is an histophagous parasite that infects flatfish, namely turbot (Scophthalmus maximus), and cause significant losses in aquaculture units. The available measures for P. dicentrarchi control have limited efficiency, and some cause harm to fish. Hence, sustainable and natural control strategies are urgently needed. This study evaluated the in vitro bioactivity of the ethanol extract of Hibiscus sabdariffa calyces on P. dicentrarchi population growth rate (PGR), oxidative stress biomarkers (glutathione-S-transferases (GST), glutathione reductase (GR), glutathione peroxidase (GPx), total glutathione (TG) and catalase (CAT), neurotoxicity (acetylcholinesterase, AChE), activity and gene expression of proteases as major virulence factors. H. sabdariffa extract inhibited parasite PGR (IC50 = 1.57 mg mL-1), and caused significant changes in the activity of antioxidant enzymes (LOEC = 0.22 mg mL-1), especially GPx, TG, and CAT. The activity of proteases was also severely inhibited (IC50 = 0.76 mg mL-1), and gene expression of catepsin 90 and leishmanolysin proteases was downregulated. Organic acids and phenolic phytochemicals in hibiscus extract are potentially responsible for the antiprotozoal bioactivity herein determined. Therefore, H. sabdariffa extract can be a promising disease-control alternative against the ciliate proliferation, cellular defense mechanisms and pathogenicity. Still, its applicability in aquaculture settings, and potential effects on farmed fish, should be further elucidated.
Collapse
Affiliation(s)
- Ana Carvalho
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal
| | - Inês Domingues
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal
| | - Carla Carvalho
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal
| | - Artur M S Silva
- Laboratório Associado para a Química Verde (LAQV)-REQUIMTE, Department of Chemistry, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal
| | - Amadeu M V M Soares
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal
| | - Catarina R Marques
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal
| |
Collapse
|
16
|
Barrientos-De la Rosa C, Duran-Aguero S, Mardones MJ, Morejón Y, García-Milla P, Albornoz P, Torres X, Landaeta-Díaz L. Comparison of Consumption of Pulses in Two Seasons of the Year in Chile. Nutrients 2023; 15:nu15112635. [PMID: 37299598 DOI: 10.3390/nu15112635] [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: 05/05/2023] [Revised: 05/27/2023] [Accepted: 05/31/2023] [Indexed: 06/12/2023] Open
Abstract
BACKGROUND In Chile, the consumption of legumes at least two times per week is promoted. However, there is a low consumption of legumes. Therefore, our objective is to describe legume consumption in two different seasonal periods. METHODS Serial cross-sectional study: surveys were distributed during summer and winter using different digital platforms. Frequency of consumption, purchase access, and preparation type were investigated. RESULTS In total, 3280 adults were surveyed in summer and 3339 in winter. The mean age was 33 years. Totals of 97.7% and 97.5% of the population reported consuming legumes in both periods; consumption increased to 3 times per week during winter. In both periods, the main reason for their preference is that they are delicious and nutritious, followed by their use as a meat substitute; the main barriers to their consumption in both periods are that they are expensive (29% in summer and 27.8% in winter) and difficult to prepare. CONCLUSION A good consumption of legumes was observed, but with a higher frequency of consumption during winter, with an intake of ≥1 per day; additionally, differences were found in purchases according to season, although no differences were found in the method of preparation.
Collapse
Affiliation(s)
- Claudia Barrientos-De la Rosa
- Carrera Nutrición y Dietética, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Providencia 7500975, Chile
| | - Samuel Duran-Aguero
- Escuela de Nutrición y Dietética, Facultad de Ciencias Para el Cuidado de la Salud, Universidad San Sebastián, Santiago 7511111, Chile
| | - María José Mardones
- Escuela de Nutrición y Dietética, Facultad de Ciencias Para el Cuidado de la Salud, Universidad San Sebastián, Santiago 7511111, Chile
| | - Yadira Morejón
- Centro de Investigación de Salud Pública y Epidemiología Clínica (CISPEC), Facultad de Ciencias de la Salud Eugenio Espejo (FCSEE), Universidad UTE, Quito 170150, Ecuador
| | - Paula García-Milla
- Carrera Nutrición y Dietética, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Providencia 7500975, Chile
- Centro Integrativo de Biología y Química Aplicada (CIBQA), Universidad Bernardo O'Higgins, General Gana 1702, Santiago 8370854, Chile
| | | | - Ximena Torres
- Carrera Nutrición y Dietética, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Providencia 7500975, Chile
| | - Leslie Landaeta-Díaz
- Facultad de Salud y Ciencias Sociales, Universidad de Las Américas, Santiago 7500975, Chile
- Núcleo en Ciencias Ambientales y Alimentarias (NCAA), Universidad de las Américas, Santiago 7500975, Chile
| |
Collapse
|
17
|
Aggarwal KK. A Non-competitive Serpin-Like Thrombin Inhibitor Isolated from Moringa oleifera Exhibit a High Affinity for Thrombin. Protein J 2023:10.1007/s10930-023-10116-6. [PMID: 37149510 DOI: 10.1007/s10930-023-10116-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/13/2023] [Indexed: 05/08/2023]
Abstract
The majority of the clotting factors involved in blood coagulation pathways are serine proteases and thrombin is one of the key serine proteases involved in blood clotting. Many synthetic and chemical drugs targeting these proteases as therapeutics are known. However, they are associated with serious side effects such as bleeding, haemorrhage, edema etc. Serine protease inhibitors from plants have been suggested as one of the potential anticoagulant molecules against thrombosis. In the present work, a direct thrombin inhibitor from Moringa oleifera was isolated, purified and characterized. The homogeneity of the inhibitor is confirmed on native- PAGE. The purified inhibitor (5 µg) showed 63% thrombin inhibition at pH 7.2 at 37 °C. The IC50 value of the isolated inhibitor was determined as 4.23 µg. The inhibitor on SDS-PAGE appeared as a single protein-stained band corresponding to 50 kDa thereby indicating its molecular weight as 50 kDa. Purified thrombin inhibitor (5 µg) showed 12% inhibition of trypsin, and 17% inhibition of chymotrypsin. This suggests more specificity of purified inhibitor towards thrombin. The isolated inhibitor showed a non-competitive mode of inhibition against thrombin as determined by the Dixon plot. The inhibition constant (Ki) was calculated as 4.35 × 10-7 M. The present work reports for the first time a direct thrombin inhibitor from M. oleifera which may be further explored as an antithrombotic drug.
Collapse
Affiliation(s)
- Kamal Krishan Aggarwal
- University School of Biotechnology, Guru Gobind Singh Indraprastha University, Sector 16-C Dwarka, New Delhi, 110078, India.
| |
Collapse
|
18
|
Bera I, O'Sullivan M, Flynn D, Shields DC. Relationship between Protein Digestibility and the Proteolysis of Legume Proteins during Seed Germination. Molecules 2023; 28:molecules28073204. [PMID: 37049968 PMCID: PMC10096060 DOI: 10.3390/molecules28073204] [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: 01/23/2023] [Revised: 02/28/2023] [Accepted: 03/03/2023] [Indexed: 04/14/2023] Open
Abstract
Legume seed protein is an important source of nutrition, but generally it is less digestible than animal protein. Poor protein digestibility in legume seeds and seedlings may partly reflect defenses against herbivores. Protein changes during germination typically increase proteolysis and digestibility, by lowering the levels of anti-nutrient protease inhibitors, activating proteases, and breaking down storage proteins (including allergens). Germinating legume sprouts also show striking increases in free amino acids (especially asparagine), but their roles in host defense or other processes are not known. While the net effect of germination is generally to increase the digestibility of legume seed proteins, the extent of improvement in digestibility is species- and strain-dependent. Further research is needed to highlight which changes contribute most to improved digestibility of sprouted seeds. Such knowledge could guide the selection of varieties that are more digestible and also guide the development of food preparations that are more digestible, potentially combining germination with other factors altering digestibility, such as heating and fermentation. Techniques to characterize the shifts in protein make-up, activity and degradation during germination need to draw on traditional analytical approaches, complemented by proteomic and peptidomic analysis of mass spectrometry-identified peptide breakdown products.
Collapse
Affiliation(s)
- Indrani Bera
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, D04 V1W8 Dublin, Ireland
- School of Medicine, University College Dublin, D04 V1W8 Dublin, Ireland
| | - Michael O'Sullivan
- UCD Institute of Food and Health, School of Agriculture and Food Science, University College Dublin, D04 V1W8 Dublin, Ireland
| | - Darragh Flynn
- Flynn & Flynn Global Trade Ltd., T/A The Happy Pear, A67 EC56 Wicklow, Ireland
| | - Denis C Shields
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, D04 V1W8 Dublin, Ireland
- School of Medicine, University College Dublin, D04 V1W8 Dublin, Ireland
| |
Collapse
|
19
|
A Proteomics Data Mining Strategy for the Identification of Quinoa Grain Proteins with Potential Immunonutritional Bioactivities. Foods 2023; 12:foods12020390. [PMID: 36673481 PMCID: PMC9858122 DOI: 10.3390/foods12020390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/10/2023] [Accepted: 01/11/2023] [Indexed: 01/18/2023] Open
Abstract
Quinoa proteins are attracting global interest for their wide amino acid profile and as a promising source for the development of biomedical treatments, including those against immune-mediated diseases. However, information about the bioactivity of quinoa proteins is scarce. In this study, a quinoa grain proteome map obtained by label-free mass spectrometry-based shotgun proteomics was investigated for the identification of quinoa grain proteins with potential immunonutritional bioactivities, including those related to cancer. After carefully examining the sequence similarities of the 1211 identified quinoa grain proteins against already described bioactive proteins from other plant organisms, 71, 48, and 3 of them were classified as antimicrobial peptides (AMPs), oxidative stress induced peptides (OSIPs), and serine-type protease inhibitors (STPIs), respectively, suggesting their potential as immunomodulatory, anti-inflammatory, and anticancer agents. In addition, data interpretation using Venn diagrams, heat maps, and scatterplots revealed proteome similarities and differences with respect to the AMPs, OSIPs, and STPIs, and the most relevant bioactive proteins in the predominant commercial quinoa grains (i.e., black, red, white (from Peru), and royal (white from Bolivia)). The presented proteomics data mining strategy allows easy screening for potentially relevant quinoa grain proteins and commercial classes for immunonutrition, as a basis for future bioactivity testing.
Collapse
|
20
|
Ferreira GC, Bomediano Camillo LDM, Sasaki SD. Structural and functional properties of rBmTI-A: A Kunitz-BPTI serine protease inhibitor with therapeutical potential. Biochimie 2023; 204:1-7. [PMID: 36037882 DOI: 10.1016/j.biochi.2022.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 07/26/2022] [Accepted: 08/05/2022] [Indexed: 01/12/2023]
Abstract
Serine proteases are an important group of enzymes present in several organisms such as viruses, bacteria and eukaryotes involved in several physiological and pathological processes such as cancer, neurodegeneration, tissue inflammation and infections. Kunitz-type serine protease inhibitors have been studied as therapeutical targets with positive results in many of these diseases. rBmTI-A (recombinant B. microplus Trypsin Inhibitor A) is a Kunitz-BPTI type inhibitor based on the native protein BmTI-A. BmTI-A was extracted from tick larvae and presented inhibitory activity against trypsin, human plasma kallikrein (HuPK), human neutrophil elastase (HNE) and human plasmin. rBmTI-A presented the same inhibitory activities of the BmTI-A and its thermostability has already been demonstrated. In emphysema induced by porcine pancreatic elastase (PPE) and by cigarette smoke animal models, the treatment using rBmTI-A showed a protective effect against the development of pulmonary emphysema and prevented the increase of inflammatory cells. In chronic allergic animal model, rBmTI-A treatment resulted in attenuated bronchial hyperresponsiveness, inflammation, remodeling. These are important physiological results in emphysema and lung inflammatory animal models with rBmTI-A treatment confirming its therapeutical potential.
Collapse
Affiliation(s)
- Graziele Cristina Ferreira
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC - UFABC, São Bernardo do Campo, São Paulo, Brazil; Graduate Program on Biosystems, Federal University of ABC, São Bernardo do Campo, São Paulo, Brazil
| | - Lívia de Moraes Bomediano Camillo
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC - UFABC, São Bernardo do Campo, São Paulo, Brazil; Graduate Program on Biosystems, Federal University of ABC, São Bernardo do Campo, São Paulo, Brazil
| | - Sergio Daishi Sasaki
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC - UFABC, São Bernardo do Campo, São Paulo, Brazil; Graduate Program on Biosystems, Federal University of ABC, São Bernardo do Campo, São Paulo, Brazil.
| |
Collapse
|
21
|
Ahmad MS, Akbar Z, Choudhary MI. Insight into the structural basis of the dual inhibitory mode of Lima bean (Phaseolus lunatus) serine protease inhibitor. Proteins 2023; 91:22-31. [PMID: 35927030 DOI: 10.1002/prot.26407] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 07/18/2022] [Accepted: 07/25/2022] [Indexed: 12/15/2022]
Abstract
Bovine pancreatic trypsin was crystallized, in-complex with Lima bean trypsin inhibitor (LBTI) (Phaseolus lunatus L.), in the form of a ternary complex. LBTI is a Bowman-Birk-type bifunctional serine protease inhibitor, which has two independent inhibitory loops. Both of the loops can inhibit trypsin, however, only the hydrophobic loop is specific for inhibiting chymotrypsin. The structure of trypsin incomplex with the LBTI has been solved and refined at 2.25 Å resolution, in the space group P41, with Rwork /Rfree values of 18.1/23.3. The two binding sites of LBTI differ in only two amino acids. Lysine and leucine are the key residues of the two different binding loops positioned at the P1, and involved in binding the S1 binding site of trypsin. The asymmetric unit cell contains two molecules of trypsin and one molecule of LBTI. The key interactions include hydrogen bonds between LBTI and active site residues of trypsin. The 3D structure of the enzyme-inhibitor complex provided details insight into the trypsin inhibition by LBTI. To the best of our knowledge, this is the first report on the structure of trypsin incomplex with LBTI.
Collapse
Affiliation(s)
- Malik Shoaib Ahmad
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan.,H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Zeeshan Akbar
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Muhammad Iqbal Choudhary
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan.,H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan.,Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| |
Collapse
|
22
|
Honnenahalli Rajegowda S, Athahalli Honnagirigowda SR. In-vitro anti-inflammatory activity of serine protease inhibitor from Cassia siamea and Dolichos biflorus: A comparative study. Cell Biochem Funct 2023; 41:33-44. [PMID: 36250219 DOI: 10.1002/cbf.3758] [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: 08/04/2022] [Revised: 09/15/2022] [Accepted: 09/22/2022] [Indexed: 01/11/2023]
Abstract
Cassia siamea is a nonedible legume belonging to Fabaceae. The seed of C. siamea contains ~16% of protein. The study reports the biochemical characterization of purified novel serine protease inhibitor from seeds of C. siamea, aimed with assessing the anti-inflammatory activity. The seed extract was subjected to ammonium sulfate precipitation followed by fast protein liquid chromatography (FPLC)-anion exchange chromatography and affinity-chromatography to obtain a relative pure protease inhibitor. Thirty-fivefold purification with the specific activity of 250 U/mg of trypsin inhibitory unit was obtained. The characterization of protease inhibitor for optimum temperature, pH, and metal ions were measured using N-α-benzoyl-DL-arginine-p-nitroanilide (BAPNA) assay and casein zymogram. The C. siamea trypsin inhibitor (CsTI) has a relative molecular mass of 25.540 kDa. Purified CsTI and Dolichos biflorus were tested for anti-inflammatory efficacy against A549 and RAW264.7 cell lines. The inhibitory activity of both purified inhibitors are comparable and are potent toward anti-inflammatory activity. The purified inhibitor shows to be a promising candidate as anti-inflammatory agent by targeting the serine proteases.
Collapse
Affiliation(s)
- Sachin Honnenahalli Rajegowda
- Department of Studies and Research in Biochemistry, Jnana Kaveri Post Graduate Centre, Mangalore University, Kodagu, Karnataka, India
| | | |
Collapse
|
23
|
Fortunato RH, Nores MJ. "Cow's Hoof" ( Bauhinia L., Leguminosae): A Review on Pharmacological Properties of Austral South American Species. PLANTS (BASEL, SWITZERLAND) 2022; 12:31. [PMID: 36616160 PMCID: PMC9823647 DOI: 10.3390/plants12010031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/17/2022] [Accepted: 11/21/2022] [Indexed: 06/17/2023]
Abstract
The genus Bauhinia s.l. (Leguminosae), known as cow's hoof, unha de boi or pata de vaca, has been used in traditional medicine worldwide. The aim of the present review is to summarize the studies published on the biological activity of the main native medicinal species reported in austral South America. Of the 14 species present in the region, 10 are consumed as leaf infusions to regulate glucose and lipid metabolism, as well as used for their anti-inflammatory and analgesic effects and to treat various diseases. Pharmacological properties have been recorded in seven species. Antioxidant, anticoagulant, antihypertensive, diuretic, antimicrobial and antitumor properties have been reported in B. forficata. Together with B. holophylla, they are important for their antidiabetic properties, since several studies indicate their effectiveness as a hypoglycemic agent. B. bauhinioides is distinguished for its anti-inflammatory and antithrombotic activities and S. microstachya for its analgesic properties. Anti-ulcer and wound healing activities recorded in B. holophylla and B. ungulata, respectively, are of particular interest. Most of the species possess antitumor activity. The antioxidant capacity of flavonoids and other bioactive compounds make these plants good candidates to assist or treat various alterations related with oxidative stress, such as diabetic complications. Thus, these species constitute promising targets for new bioactive substance research and phytotherapy.
Collapse
Affiliation(s)
| | - María Jimena Nores
- Facultad de Ciencias Exactas, Físicas y Naturales, Instituto Multidisciplinario de Biología Vegetal (CONICET—Universidad Nacional de Córdoba), UNC, Vélez Sarsfield 1611, Argentina
| |
Collapse
|
24
|
Saeed F, Afzaal M, Shah YA, Khan MH, Hussain M, Ikram A, Ateeq H, Noman M, Saewan SA, Khashroum AO. Miso: A traditional nutritious & health-endorsing fermented product. Food Sci Nutr 2022; 10:4103-4111. [PMID: 36514754 PMCID: PMC9731531 DOI: 10.1002/fsn3.3029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 07/26/2022] [Accepted: 07/28/2022] [Indexed: 12/16/2022] Open
Abstract
Consumer demand for fermented foods with a well-balanced nutrient profile has been increasing owing to their ability to prevent chronic diseases as well as their functional, nutritional, and nutraceutical benefits. Among those functional foods, miso is a well-known traditional fermented food with a distinctive savory flavor and aroma that is most commonly used as a seasoning in miso soup. Among different fermented products, miso is derived from soybeans and grains as a result of the activities of Koji enzymes and beneficial microbes. Additionally, the microbial community of miso is thought to be crucial in enhancing its distinct flavor and texture as well as its nutritional properties. Despite the importance of microorganisms in the production of miso, there has been relatively little research done to characterize and describe the nutritional and medicinal potential of miso. In this review, the potential therapeutic properties, i.e., anticancer, antimicrobial, and antiobesity, of miso have been discussed comprehensively. This review envisions the production technology, its history, microbial population, nutritional properties, and the potential health benefits of miso associated with its consumption.
Collapse
Affiliation(s)
- Farhan Saeed
- Department of Food SciencesGovernment College UniversityFaisalabadPakistan
| | - Muhammad Afzaal
- Department of Food SciencesGovernment College UniversityFaisalabadPakistan
| | - Yasir Abbas Shah
- Department of Food SciencesGovernment College UniversityFaisalabadPakistan
| | | | - Muzzamal Hussain
- Department of Food SciencesGovernment College UniversityFaisalabadPakistan
| | - Ali Ikram
- University Institute of Food Science and Technology, The University of LahoreLahorePakistan
| | - Huda Ateeq
- Department of Food SciencesGovernment College UniversityFaisalabadPakistan
| | - Muhammad Noman
- Department of Food SciencesGovernment College UniversityFaisalabadPakistan
| | - Shamaail A. Saewan
- Department of Food SciencesCollege of Agriculture, University of BasrahBasrahIraq
| | - Ashraf O. Khashroum
- Department of Plant Production and Protection, Faculty of AgricultureJerash UniversityJerashJordan
| |
Collapse
|
25
|
Zhou W, Wang M, Zhang A, Huang D, Guo H, Shen G. Directional screening and identification of potential cytotoxic components from Achnatherum inebrians by a combination of surface palsmon resonance and chromatography. CHINESE HERBAL MEDICINES 2022. [DOI: 10.1016/j.chmed.2022.06.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
|
26
|
Emmanuel Chimeh E, Nicodemus Emeka N, Florence Nkechi N, Amaechi Linda O, Oka Samon A, Emmanuel Chigozie A, Parker Elijah J, Barine Innocent N, Ezike Tobechukwu C, Nwachukwu Philip A, Hope Chimbuezie N, Chidimma Peace E, Onyinye Mary-Jane O, Godspower Chima N, Theresa Chinyere E, Alotaibi Saqer S, Albogami Sarah M, Gaber El-Saber B. Bioactive Compounds, anti-inflammatory, anti-nociceptive and antioxidant potentials of ethanolic leaf fraction of Sida linifolia L. (Malvaceae). ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
|
27
|
Mangena P. Pleiotropic effects of recombinant protease inhibitors in plants. FRONTIERS IN PLANT SCIENCE 2022; 13:994710. [PMID: 36119571 PMCID: PMC9478479 DOI: 10.3389/fpls.2022.994710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 08/10/2022] [Indexed: 06/15/2023]
Abstract
Recombinant gene encoded protease inhibitors have been identified as some of the most effective antidigestive molecules to guard against proteolysis of essential proteins and plant attacking proteases from herbivorous pests and pathogenic microorganisms. Protease inhibitors (PIs) can be over expressed in transgenic plants to complement internal host defense systems, Bt toxins in genetically modified pest resistance and abiotic stress tolerance achieved through cystatins expression. Although the understanding of the role of proteolytic enzymes and their inhibitors encoded by both endogenous and transgenes expressed in crop plants has significantly advanced, their implication in biological systems still requires further elucidations. This paper, therefore, succinctly reviewed most recently published literature on recombinant proteases inhibitors (RPIs), focusing mainly on their unintended consequences in plants, other living organisms, and the environment. The review discusses major negative and unintended effects of RPIs involving the inhibitors' non-specificity on protease enzymes, non-target organisms and ubiquitous versatility in their mechanism of inhibition. The paper also discusses some direct and indirect effects of RPIs such as degradation by distinct classes of proteases, reduced functionality due to plant exposure to severe environmental stress and any other potential negative influences exerted on both the host plant as well as the environment. These pleiotropic effects must be decisively monitored to eliminate and prevent any potential adverse effects that transgenic plants carrying recombinant inhibitor genes may have on non-target organisms and biodiversity.
Collapse
Affiliation(s)
- Phetole Mangena
- Department of Biodiversity, Faculty of Science and Agriculture, School of Molecular and Life Sciences, University of Limpopo, Polokwane, Limpopo, South Africa
| |
Collapse
|
28
|
Yao J, Yin W, Chen Y, Chen X, Jiang Y, Wang T, Ma C, Zhou M, Chen T, Shaw C, Wang L. Conjugation of a Cationic Cell-Penetrating Peptide with a Novel Kunitzin-like Trypsin Inhibitor: New Insights for Enhancement of Peptide Bioactivities. Pharmaceutics 2022; 14:pharmaceutics14091805. [PMID: 36145553 PMCID: PMC9501525 DOI: 10.3390/pharmaceutics14091805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 08/21/2022] [Accepted: 08/23/2022] [Indexed: 11/16/2022] Open
Abstract
Cationic cell-penetrating peptides (CPPs), such as transactivator of transcription (TAT) peptide, have been proposed as effective drug carriers to improve intracellular delivery of biological macromolecules. Amphibian skin-derived Kunitz-type trypsin inhibitors (KTIs), short counterparts of KTIs from plant sources, were found to possess potent serine protease inhibitory activity. However, poor transmembrane permeability of these molecules has largely hindered the study of the full spectrum of their biological actions. As a result, this study aimed to extend the biological activities of amphibian KTIs by their conjugation to cationic CPPs. Herein, a novel peptide (kunitzin-OV2) and its phenylalanine-substituted analogue F9-kunitzin-OV2 (F9-KOV2) were evaluated for inhibition of trypsin/chymotrypsin and showed weak antibacterial activity against Escherichia coli (E. coli). As expected, the conjugation to TAT peptide did not increase membrane lysis compared with the original kunitzin-OV2, but effectively assisted this complex to enter cells. TAT-kunitzin-OV2 (TAT-KOV2) exhibited a 32-fold increase in antibacterial activity and an enhanced bactericidal rate against E. coli. In addition, the conjugation enabled the parent peptides to exhibit antiproliferative activity against cancer cells. Interestingly, TAT-F9-kunitzin-OV2 (TAT-F9-KOV2) showed stronger antiproliferative activity against human breast cancer (MCF-7) and human glioblastoma (U251MG) cell lines, which TAT-KOV2 did not possess. Moreover, TAT-F9-KOV2 showed a 20–25-fold increase in antiproliferative capacity against human lung cancer (H157, H460) cell lines compared with TAT-KOV2. Therefore, the conjugation of CPPs effectively solves the problem of cell penetration that short KTIs lack and provides evidence for new potential applications for their subsequent development as new antibacterial and anticancer agents.
Collapse
Affiliation(s)
- Junting Yao
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Weining Yin
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Yuqing Chen
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
- Department of Pharmacy, Affiliated Hospital of Nantong University, Nantong 226001, China
| | - Xiaoling Chen
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
- Correspondence: (X.C.); (L.W.)
| | - Yangyang Jiang
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Tao Wang
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Chengbang Ma
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Mei Zhou
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Tianbao Chen
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Chris Shaw
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Lei Wang
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
- Correspondence: (X.C.); (L.W.)
| |
Collapse
|
29
|
Exploring the Binding Interaction of Active Compound of Pineapple against Foodborne Bacteria and Novel Coronavirus (SARS-CoV-2) Based on Molecular Docking and Simulation Studies. Nutrients 2022; 14:nu14153045. [PMID: 35893899 PMCID: PMC9332411 DOI: 10.3390/nu14153045] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 07/20/2022] [Accepted: 07/21/2022] [Indexed: 12/30/2022] Open
Abstract
Natural resources, particularly plants and microbes, are an excellent source of bioactive molecules. Bromelain, a complex enzyme mixture found in pineapples, has numerous pharmacological applications. In a search for therapeutic molecules, we conducted an in silico study on natural phyto-constituent bromelain, targeting pathogenic bacteria and viral proteases. Docking studies revealed that bromelain strongly bound to food-borne bacterial pathogens and SARS-CoV-2 virus targets, with a high binding energy of −9.37 kcal/mol. The binding interaction was mediated by the involvement of hydrogen bonds, and some hydrophobic interactions stabilized the complex and molecular dynamics. Simulation studies also indicated the stable binding between bromelain and SARS-CoV-2 protease as well as with bacterial targets which are essential for DNA and protein synthesis and are required to maintain the integrity of membranous proteins. From this in silico study, it is also concluded that bromelain could be an effective molecule to control foodborne pathogen toxicity and COVID-19. So, eating pineapple during an infection could help to interfere with the pathogen attaching and help prevent the virus from getting into the host cell. Further, research on the bromelain molecule could be helpful for the management of COVID-19 disease as well as other bacterial-mediated diseases. Thus, the antibacterial and anti-SARS-CoV-2 virus inhibitory potentials of bromelain could be helpful in the management of viral infections and subsequent bacterial infections in COVID-19 patients.
Collapse
|
30
|
Duarte CM, Mota J, Assunção R, Martins C, Ribeiro AC, Lima A, Raymundo A, Nunes MC, Ferreira RB, Sousa I. New Alternatives to Milk From Pulses: Chickpea and Lupin Beverages With Improved Digestibility and Potential Bioactivities for Human Health. Front Nutr 2022; 9:852907. [PMID: 35911116 PMCID: PMC9333060 DOI: 10.3389/fnut.2022.852907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 06/08/2022] [Indexed: 11/13/2022] Open
Abstract
There is a strong demand for plant-based milk substitutes, often low in protein content (<1.5% w/v). Protein-rich pulse seeds and the right processing technologies make it possible to make relevant choices. The major objective of this study was to assess the impact of processing on the nutritional characteristics of beverages with a high impact on health, in particular on digestibility and specific bioactivities. The results suggest that pulse beverages are as high in protein content (3.24% w/v for chickpea and 4.05% w/v for lupin) as cow’s milk. The anti-nutrient level characteristics of pulses have been considerably reduced by strategic processing. However, when present in small quantities, some of these anti-nutritional factors may have health benefits. Controlling processing conditions play a crucial role in this fine balance as a tool to take advantage of their health benefits. There is evidence of protein hydrolysis by in vitro digestion and limited bioaccessibility of minerals. In addition to being highly digestible, lupin and chickpea beverages have anti-inflammatory and anti-carcinogenic potential evaluated through the inhibition of metalloproteinase MMP-9.
Collapse
Affiliation(s)
- Carla Margarida Duarte
- LEAF-Linking Landscape, Environment, Agriculture and Food, Instituto Superior de Agronomia, University of Lisbon, Lisbon, Portugal
| | - Joana Mota
- LEAF-Linking Landscape, Environment, Agriculture and Food, Instituto Superior de Agronomia, University of Lisbon, Lisbon, Portugal
| | - Ricardo Assunção
- IUEM, Instituto Universitário Egas Moniz, Egas Moniz-Cooperativa de Ensino Superior, CRL, Costa da Caparica, Portugal
- Department of Food and Nutrition, National Institute of Health Doutor Ricardo Jorge, Lisbon, Portugal
- CESAM, Centre for Environmental and Marine Studies, University of Aveiro, Aveiro, Portugal
| | - Carla Martins
- Department of Food and Nutrition, National Institute of Health Doutor Ricardo Jorge, Lisbon, Portugal
- NOVA National School of Public Health, Public Health Research Center, Universidade NOVA de Lisboa, Lisbon, Portugal
| | - Ana Cristina Ribeiro
- LEAF-Linking Landscape, Environment, Agriculture and Food, Instituto Superior de Agronomia, University of Lisbon, Lisbon, Portugal
- Faculdade de Farmácia de Lisboa, University of Lisbon, Lisbon, Portugal
| | - Ana Lima
- LEAF-Linking Landscape, Environment, Agriculture and Food, Instituto Superior de Agronomia, University of Lisbon, Lisbon, Portugal
- Faculty of Veterinary Medicine, Lusófona University, Lisbon, Portugal
| | - Anabela Raymundo
- LEAF-Linking Landscape, Environment, Agriculture and Food, Instituto Superior de Agronomia, University of Lisbon, Lisbon, Portugal
| | - Maria Cristiana Nunes
- LEAF-Linking Landscape, Environment, Agriculture and Food, Instituto Superior de Agronomia, University of Lisbon, Lisbon, Portugal
| | - Ricardo Boavida Ferreira
- LEAF-Linking Landscape, Environment, Agriculture and Food, Instituto Superior de Agronomia, University of Lisbon, Lisbon, Portugal
| | - Isabel Sousa
- LEAF-Linking Landscape, Environment, Agriculture and Food, Instituto Superior de Agronomia, University of Lisbon, Lisbon, Portugal
- *Correspondence: Isabel Sousa,
| |
Collapse
|
31
|
Health Benefits of Cereal Grain- and Pulse-Derived Proteins. Molecules 2022; 27:molecules27123746. [PMID: 35744874 PMCID: PMC9229611 DOI: 10.3390/molecules27123746] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/06/2022] [Accepted: 06/07/2022] [Indexed: 12/19/2022] Open
Abstract
Pulses and whole grains are considered staple foods that provide a significant amount of calories, fibre and protein, making them key food sources in a nutritionally balanced diet. Additionally, pulses and whole grains contain many bioactive compounds such as dietary fibre, resistant starch, phenolic compounds and mono- and polyunsaturated fatty acids that are known to combat chronic disease. Notably, recent research has demonstrated that protein derived from pulse and whole grain sources contains bioactive peptides that also possess disease-fighting properties. Mechanisms of action include inhibition or alteration of enzyme activities, vasodilatation, modulation of lipid metabolism and gut microbiome and oxidative stress reduction. Consumer demand for plant-based proteins has skyrocketed primarily based on the perceived health benefits and lower carbon footprint of consuming foods from plant sources versus animal. Therefore, more research should be invested in discovering the health-promoting effects that pulse and whole grain proteins have to offer.
Collapse
|
32
|
Plant Kunitz Inhibitors and Their Interaction with Proteases: Current and Potential Pharmacological Targets. Int J Mol Sci 2022; 23:ijms23094742. [PMID: 35563133 PMCID: PMC9100506 DOI: 10.3390/ijms23094742] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 04/19/2022] [Accepted: 04/21/2022] [Indexed: 02/04/2023] Open
Abstract
The action of proteases can be controlled by several mechanisms, including regulation through gene expression; post-translational modifications, such as glycosylation; zymogen activation; targeting specific compartments, such as lysosomes and mitochondria; and blocking proteolysis using endogenous inhibitors. Protease inhibitors are important molecules to be explored for the control of proteolytic processes in organisms because of their ability to act on several proteases. In this context, plants synthesize numerous proteins that contribute to protection against attacks by microorganisms (fungi and bacteria) and/or invertebrates (insects and nematodes) through the inhibition of proteases in these organisms. These proteins are widely distributed in the plant kingdom, and are present in higher concentrations in legume seeds (compared to other organs and other botanical families), motivating studies on their inhibitory effects in various organisms, including humans. In most cases, the biological roles of these proteins have been assigned based mostly on their in vitro action, as is the case with enzyme inhibitors. This review highlights the structural evolution, function, and wide variety of effects of plant Kunitz protease inhibitors, and their potential for pharmaceutical application based on their interactions with different proteases.
Collapse
|
33
|
Fernanda Alves Mariano Soares de Farias M, Leite de Siqueira Patriota L, Bernadete de Souza Lira C, Maria de Souza Aguiar L, Rafaela da Silva Barros B, Maria Guedes Paiva P, Moutinho Lagos de Melo C, Diniz de Lima Santos N, Henrique Napoleão T. Purification, characterization, and immunomodulatory activity of a lectin from the seeds of horse chestnut (Aesculus hippocastanum L.). CURRENT RESEARCH IN BIOTECHNOLOGY 2022. [DOI: 10.1016/j.crbiot.2022.03.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
|
34
|
Milhm ACP, Bonet LFS, Aiub CAF, Siqueira Junior CL. Biochemical characterization and phytotoxic activity of protein extract from Euphorbia tirucalli L. JOURNAL OF ETHNOPHARMACOLOGY 2022; 285:114903. [PMID: 34890731 DOI: 10.1016/j.jep.2021.114903] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/30/2021] [Accepted: 12/06/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Euphorbia tirucalli L., a tropical and subtropical plant, also known by the popular name avelós, has been used in folk medicine against many diseases as rheumatism, asthma, toothache, and cancer. Studies have shown that natural compounds contained in this plant species may be associated with these functions. However, little is known about its potential toxicity. AIM OF THE STUDY Several proteins conduct biological functions, in particular, proteinases, play a crucial role in many mechanisms of living beings, including plants, animals and microorganisms. However, when poorly regulated, they can generate consequences, such as the non-production of certain substances, or even the abnormal multiplication of cells, which leads to tumors. On the other hand, by regulating these enzymes, proteinase inhibitors act by reducing the activity of proteinases, thus preventing their malfunction. The objective of this work was to evaluate the toxicity of the protein extract of E. tirucalli and to purify a protease inhibitor that may be associated with the biological medicinal functions of the plant. MATERIALS AND METHODS The cytotoxic and mutagenic properties of the protein extract produced from the stem of avelós was investigated using the Ames test. The protein extract was also submitted to a protease inhibitor purification process using the gel filtration chromatography technique and the purified protein was biochemically characterized. RESULTS A protease inhibitor, called tirustatin, was isolated 1.84-fold by Biogel P100. The calculated molecular mass of the isolated protein is 25.97 kDa. The inhibitor was stable at pH 3-10, with pronounced activity at pH 6. Thermostability was observed even at elevated temperature (100 °C) with inhibitory activity increased by 1.14-fold compared to inhibitor activity at room temperature. Incubation at basic pH values for up to 60 min caused little reduction (0.25-fold) in the papain inhibitory activity of tirustatin. The stoichiometry of the papain-tirustatin interaction was 1.5: 1 and 28.8 pM of the inhibitor effected 50% inhibition. With an equilibrium dissociation constant of 8.74 x 10-8M for the papain enzyme, it is possible to evaluate the isolated protein as a non-competitive inhibitor. In addition, the protein extract of E. tirucalli even at the maximum concentration used (20 μg/mL), did not show a cytotoxic and mutagenic profile in a bacterial model. CONCLUSION The results presented in this work provide data that reinforce the idea of the potential use of proteins produced in E. tirucalli as pharmacological and biotechnological agents that can be exploited for the development of efficient drugs.
Collapse
Affiliation(s)
- Ana Carolina Pereira Milhm
- Laboratory of Biochemistry and Function of Plant Proteins, Department of Botany, Federal University of the State of Rio de Janeiro, Av. Pasteur, 458, Urca, Brazil.
| | - Luiz Felippe Sarmento Bonet
- Laboratory of Biochemistry and Function of Plant Proteins, Department of Botany, Federal University of the State of Rio de Janeiro, Av. Pasteur, 458, Urca, Brazil.
| | - Claudia Alessandra Fortes Aiub
- Laboratory of Genotoxicity, Department of Genetics and Molecular Biology, Federal University of the State of Rio de Janeiro, R. Frei Caneca, 94 - Centro, Brazil.
| | - César Luis Siqueira Junior
- Laboratory of Biochemistry and Function of Plant Proteins, Research Center on Agricultural Systems, Department of Botany, Federal University of the State of Rio de Janeiro, Av. Pasteur, 458, Urca, Brazil.
| |
Collapse
|
35
|
Cid-Gallegos MS, Corzo-Ríos LJ, Jiménez-Martínez C, Sánchez-Chino XM. Protease Inhibitors from Plants as Therapeutic Agents- A Review. PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2022; 77:20-29. [PMID: 35000105 DOI: 10.1007/s11130-022-00949-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 12/28/2021] [Indexed: 05/18/2023]
Abstract
Plant-based diets are a great source of protease inhibitors (PIs). Two of the most well-known families of PIs are Bowman-Birk inhibitors (BBI) and Kunitz-type inhibitors (KTI). The first group acts mainly on trypsin, chymotrypsin, and elastase; the second is on serine, cysteine, and aspartic proteases. PIs can retard or inhibit the catalytic action of enzymes; therefore, they are considered non-nutritional compounds; nevertheless, animal studies and cell line experiments showed promising results of PIs in treating human illnesses such as obesity, cardiovascular diseases, autoimmune diseases, inflammatory processes, and different types of cancer (gastric, colorectal, breast, and lung cancer). Anticarcinogenic activity's proposed mechanisms of action comprise several inhibitory effects at different molecular levels, i.e., transcription, post-transcription, translation, post-translation, and secretion of cancer cells. This work reviews the potential therapeutic applications of PIs as anticarcinogenic and anti-inflammatory agents in human diseases and the mechanisms by which they exert these effects.
Collapse
Affiliation(s)
- M S Cid-Gallegos
- Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional. Unidad Profesional Adolfo López Mateos, Delegación Gustavo A. Madero, Av. Wilfrido Massieu Esq. Cda. Miguel Stampa s/n, México City, C.P. 07738, México
| | - L J Corzo-Ríos
- Departamento de Bioprocesos, Unidad Profesional Interdisciplinaria de Biotecnología, Instituto Politécnico Nacional. Av. Acueducto S/N, Barrio La Laguna, Col. Ticomán, México City, C.P. 07340, México
| | - C Jiménez-Martínez
- Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional. Unidad Profesional Adolfo López Mateos, Delegación Gustavo A. Madero, Av. Wilfrido Massieu Esq. Cda. Miguel Stampa s/n, México City, C.P. 07738, México
| | - X M Sánchez-Chino
- CONACYT, Departamento de Salud, El Colegio de La Frontera Sur-Villahermosa, Tabasco, México.
| |
Collapse
|
36
|
Geraldo R, Santos CS, Pinto E, Vasconcelos MW. Widening the Perspectives for Legume Consumption: The Case of Bioactive Non-nutrients. FRONTIERS IN PLANT SCIENCE 2022; 13:772054. [PMID: 35222459 PMCID: PMC8866194 DOI: 10.3389/fpls.2022.772054] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 01/06/2022] [Indexed: 06/06/2023]
Abstract
Legume grains have provided essential nutrients in human diets for centuries, being excellent sources of proteins, carbohydrates, fatty acids, and fibers. They also contain several non-nutrients that historically have been connotated as toxic but that in recent years have been shown to have interesting bioactive properties. The discussion on the role of bioactive non-nutrients is becoming more important due to increasing science-based evidence on their potential antioxidant, hypoglycemic, hypolipidemic, and anticarcinogenic properties. At a time when legume-based products consumption is being strongly promoted by national governments and health authorities, there is a need to clearly define the recommended levels of such non-nutrients in human diets. However, there is insufficient data determining the ideal amount of non-nutrients in legume grains, which will exert the most positive health benefits. This is aligned with insufficient studies that clearly demonstrate if the positive health effects are due to the presence of specific non-nutrients or a result of a dietary balance. In fact, rather than looking directly at the individual food components, most nutritional epidemiology studies relate disease risk with the food and dietary patterns. The purpose of this perspective paper is to explore different types of non-nutrients present in legume grains, discuss the current evidence on their health benefits, and provide awareness for the need for more studies to define a recommended amount of each compound to identify the best approaches, either to enhance or reduce their levels.
Collapse
|
37
|
Bakku RK, Gupta R, Min CW, Kim ST, Takahashi G, Shibato J, Shioda S, Takenoya F, Agrawal GK, Rakwal R. Unravelling the Helianthus tuberosus L. (Jerusalem Artichoke, Kiku-Imo) Tuber Proteome by Label-Free Quantitative Proteomics. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27031111. [PMID: 35164374 PMCID: PMC8840128 DOI: 10.3390/molecules27031111] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 01/31/2022] [Accepted: 02/04/2022] [Indexed: 01/09/2023]
Abstract
The present research investigates the tuber proteome of the ‘medicinal’ plant Jerusalem artichoke (abbreviated as JA) (Helianthus tuberosus L.) using a high-throughput proteomics technique. Although JA has been historically known to the Native Americans, it was introduced to Europe in the late 19th century and later spread to Japan (referred to as ‘kiku-imo’) as a folk remedy for diabetes. Genboku Takahashi research group has been working on the cultivation and utilization of kiku-imo tuber as a traditional/alternative medicine in daily life and researched on the lowering of blood sugar level, HbA1c, etc., in human subjects (unpublished data). Understanding the protein components of the tuber may shed light on its healing properties, especially related to diabetes. Using three commercially processed JA tuber products (dried powder and dried chips) we performed total protein extraction on the powdered samples using a label-free quantitate proteomic approach (mass spectrometry) and catalogued for the first time a comprehensive protein list for the JA tuber. A total of 2967 protein groups were identified, statistically analyzed, and further categorized into different protein classes using bioinformatics techniques. We discussed the association of these proteins to health and disease regulatory metabolism. Data are available via ProteomeXchange with identifier PXD030744.
Collapse
Affiliation(s)
- Ranjith Kumar Bakku
- Faculty of Engineering Information and Systems, University of Tsukuba, 1-1-1 Tenodai, Tsukuba 305-8572, Japan;
| | - Ravi Gupta
- College of General Education, Kookmin University, Seoul 02707, Korea;
| | - Cheol-Woo Min
- Department of Plant Bioscience, Life and Industry Convergence Research Institute, Pusan National University, Miryang 50463, Korea;
| | - Sun-Tae Kim
- Department of Plant Bioscience, Life and Industry Convergence Research Institute, Pusan National University, Miryang 50463, Korea;
- Correspondence: (S.-T.K.); or (R.R.); Tel.: +81-90-1853-7875 (R.R.)
| | - Genboku Takahashi
- Zen-Yoga Institute, 3916 Okusa, Nakagawa-mura, Kamiina-gun, Nagano 399-3801, Japan;
| | - Junko Shibato
- Department of Functional Morphology, Shonan University Medical Sciences, 16-48 Kamishinano, Totsuka-ku, Yokohama 244-0806, Japan; (J.S.); (S.S.)
| | - Seiji Shioda
- Department of Functional Morphology, Shonan University Medical Sciences, 16-48 Kamishinano, Totsuka-ku, Yokohama 244-0806, Japan; (J.S.); (S.S.)
| | - Fumiko Takenoya
- Department of Physiology and Molecular Sciences, Hoshi University, 4-41 Ebara 2-chome, Shinagawa, Tokyo 142-8501, Japan;
| | - Ganesh Kumar Agrawal
- Research Laboratory for Biotechnology and Biochemistry (RLABB), GPO 13265, Kathmandu 44600, Nepal;
| | - Randeep Rakwal
- Research Laboratory for Biotechnology and Biochemistry (RLABB), GPO 13265, Kathmandu 44600, Nepal;
- Faculty of Health and Sport Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba 305-8574, Japan
- Correspondence: (S.-T.K.); or (R.R.); Tel.: +81-90-1853-7875 (R.R.)
| |
Collapse
|
38
|
Raj S, K H, Nair RA. Anti-microbial and cytotoxic activity of ZzAMP, a serine protease inhibitor (SPI) with nutraceutical potential from rhizomes of medicinal plant, Zingiber zerumbet. Nat Prod Res 2022; 36:6375-6380. [PMID: 35105207 DOI: 10.1080/14786419.2022.2032046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Serine protease Inhibitors (SPIs) abundantly reported in plant storage organs constitute important candidate molecules for antimicrobial and anticancer therapeutics. Our earlier studies had identified antimicrobial protein/or peptides (AMP) from Zingiber zerumbet rhizomes designated ZzAMP inhibiting serine protease (SP) of necrotrophic phytopathogen, Pythium myriotylum. Considering the high ethno-medicinal applications of Z. zerumbet rhizomes, present study evaluated the anti-bacterial, anti-oxidant and cytotoxic properties of ZzAMP. Though ZzAMP displayed low radical scavenging activity (IC50 1000 µg/ml), it exhibited considerable anti-bacterial activity towards the nosocomial pathogen Klebsiella pneumonia (93%), which produced maximal extracellular protease (30.6 ± 1.47 U/ml) amongst the pathogens screened. Evaluation of cytotoxic activity of ZzAMP revealed decrease in viability of cancer cell line, HeLa (IC50 115.09 μg/ml) compared to normal cells, L929 (IC50 299.95 μg/ml). Present experiments showing antimicrobial and cytotoxic activities of ZzAMP with minimal damage to normal cells are indicative of its potential as a promising nutraceutical protein.
Collapse
Affiliation(s)
- Sharmila Raj
- School of Biotechnology, National Institute of Technology Calicut, Calicut, India
| | - Harshitha K
- Department of Biochemistry and Molecular Biology, Central University of Kerala (CUK), Kasaragod, Kerala
| | - R Aswati Nair
- Department of Biochemistry and Molecular Biology, Central University of Kerala (CUK), Kasaragod, Kerala
| |
Collapse
|
39
|
Lucena SV, Rufino FP, de Dantas Moura GED, Rabêlo LMA, Monteiro NKV, Ferreira AT, Perales JEA, Uchôa AF, Justo GZ, de Oliveira CFR, Migliolo L, Nader HB, Santos EA, Oliveira AS. The Kunitz chymotrypsin inhibitor from Erythrina velutina seeds displays activity against HeLa cells through arrest in cell cycle. 3 Biotech 2022; 12:19. [PMID: 34926123 PMCID: PMC8674401 DOI: 10.1007/s13205-021-03084-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 12/02/2021] [Indexed: 01/03/2023] Open
Abstract
Erythrina velutina is a species of arboreal leguminous that occurs spontaneously in the northeastern states of Brazil. Leguminous seeds represent an abundant source of peptidase inhibitors, which play an important role in controlling peptidases involved in essential biological processes. The aim of this study was to purify and characterize a novel Kunitz-type peptidase inhibitor from Erythrina velutina seeds and evaluate its anti-proliferative effects against cancer cell lines. The Kunitz-type chymotrypsin inhibitor was purified from Erythrina velutina seeds (EvCI) by ammonium sulphate fractionation, trypsin- and chymotrypsin-sepharose affinity chromatographies and Resource Q anion-exchange column. The purified EvCI has a molecular mass of 18 kDa with homology to a Kunitz-type inhibitor. Inhibition assays revealed that EvCI is a competitive inhibitor of chymotrypsin (with K i of 4 × 10-8 M), with weak inhibitory activity against human elastase and without inhibition against trypsin, elastase, bromelain or papain. In addition, the inhibitory activity of EvCI was stable over a wide range of pH and temperature. Disulfide bridges are involved in stabilization of the reactive site in EvCI, since the reduction of disulfide bridges with DTT 100 mM abolished ~ 50% of its inhibitory activity. The inhibitor exhibited selective anti-proliferative properties against HeLa cells. The incubation of EvCI with HeLa cells triggered arrest in the cell cycle, suggesting that apoptosis is the mechanism of death induced by the inhibitor. EvCI constitutes an interesting anti-carcinogenic candidate for conventional cervical cancer treatments employed currently. The EvCI cytostatic effect on Hela cells indicates a promised compound to be used as anti-carcinogenic complement for conventional cervical treatments employed currently.
Collapse
Affiliation(s)
- Sheyla V. Lucena
- Laboratório de Química e Função de Proteínas Bioativas, Centro de Biociências, Departamento de Bioquímica, Universidade Federal do Rio Grande do Norte, Natal, RN Brazil ,Instituto Federal de Ciências e Tecnologia de Mato Grosso-IFMT, Cuiabá, MT Brazil
| | - Fabíola P. Rufino
- Laboratório de Química e Função de Proteínas Bioativas, Centro de Biociências, Departamento de Bioquímica, Universidade Federal do Rio Grande do Norte, Natal, RN Brazil
| | | | - Luciana M. A. Rabêlo
- Laboratório de Química e Função de Proteínas Bioativas, Centro de Biociências, Departamento de Bioquímica, Universidade Federal do Rio Grande do Norte, Natal, RN Brazil
| | - Norberto K. V. Monteiro
- Laboratório de Química e Função de Proteínas Bioativas, Centro de Biociências, Departamento de Bioquímica, Universidade Federal do Rio Grande do Norte, Natal, RN Brazil
| | - André T. Ferreira
- Laboratório de Química e Função de Proteínas Bioativas, Centro de Biociências, Departamento de Bioquímica, Universidade Federal do Rio Grande do Norte, Natal, RN Brazil
| | - Jonas E. Aguilar Perales
- Laboratório de Toxinologia, Departamento de Fisiologia e Farmacodinâmica, do Instituto Oswaldo Cruz (IOC), Fundação Oswaldo Cruz, Rio de Janeiro, RJ Brazil
| | - Adriana F. Uchôa
- Laboratório de Química e Função de Proteínas Bioativas, Centro de Biociências, Departamento de Bioquímica, Universidade Federal do Rio Grande do Norte, Natal, RN Brazil ,Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP Brazil ,Laboratório de Proteômica, Instituto de Medicina Tropical do Rio Grande do Norte, Centro de Biociências, Universidade Federal do Rio Grande do Norte, Natal, RN Brazil
| | - Giselle Z. Justo
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP Brazil ,Departamento de Ciências Biológicas, UNIFESP, Diadema, SP Brazil
| | - Caio F. R. de Oliveira
- Laboratório de Purificação de Proteínas e suas Funções Biológicas, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS 79070-900 Brazil
| | - Ludovico Migliolo
- Laboratório de Química e Função de Proteínas Bioativas, Centro de Biociências, Departamento de Bioquímica, Universidade Federal do Rio Grande do Norte, Natal, RN Brazil ,S-Inova Biotech, Programa de Pós-Graduação em Biotecnologia, Universidade Católica Dom Bosco, Avenida Tamandaré, 6000, Campo Grande, MS 79117-900 Brazil
| | - Helena Bonciani Nader
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP Brazil
| | - Elizeu A. Santos
- Laboratório de Química e Função de Proteínas Bioativas, Centro de Biociências, Departamento de Bioquímica, Universidade Federal do Rio Grande do Norte, Natal, RN Brazil ,Laboratório de Proteômica, Instituto de Medicina Tropical do Rio Grande do Norte, Centro de Biociências, Universidade Federal do Rio Grande do Norte, Natal, RN Brazil
| | - Adeliana S. Oliveira
- Laboratório de Química e Função de Proteínas Bioativas, Centro de Biociências, Departamento de Bioquímica, Universidade Federal do Rio Grande do Norte, Natal, RN Brazil
| |
Collapse
|
40
|
Lupinus albus Protein Components Inhibit MMP-2 and MMP-9 Gelatinolytic Activity In Vitro and In Vivo. Int J Mol Sci 2021; 22:ijms222413286. [PMID: 34948082 PMCID: PMC8705115 DOI: 10.3390/ijms222413286] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/02/2021] [Accepted: 12/07/2021] [Indexed: 01/10/2023] Open
Abstract
Matrix metalloproteinases 2 and 9 (MMP-2 and MMP-9) are regarded as important clinical targets due to their nodal-point role in inflammatory and oncological diseases. Here, we aimed at isolating and characterizing am MMP-2 and-9 inhibitor (MMPI) from Lupinus albus and at assessing its efficacy in vitro and in vivo. The protein was isolated using chromatographic and 2-D electrophoretic procedures and sequenced by using MALDI-TOF TOF and MS/MS analysis. In vitro MMP-2 and 9 inhibitions were determined on colon adenocarcinoma (HT29) cells, as well as by measuring the expression levels of genes related to these enzymes. Inhibitory activities were also confirmed in vivo using a model of experimental TNBS-induced colitis in mice, with oral administrations of 15 mg·kg-1. After chromatographic and electrophoretic isolation, the L. albus MMP-9 inhibitor was found to comprise a large fragment from δ-conglutin and, to a lower extent, small fragments of β-conglutin. In vitro studies showed that the MMPI successfully inhibited MMP-9 activity in a dose-dependent manner in colon cancer cells, with an IC50 of 10 µg·mL-1 without impairing gene expression nor cell growth. In vivo studies showed that the MMPI maintained its bioactivities when administered orally and significantly reduced colitis symptoms, along with a very significant inhibition of MMP-2 and -9 activities. Overall, results reveal a novel type of MMPI in lupine that is edible, proteinaceous in nature and soluble in water, and effective in vivo, suggesting a high potential application as a nutraceutical or a functional food in pathologies related to abnormally high MMP-9 activity in the digestive system.
Collapse
|
41
|
Lone JK, Lekha MA, Bharadwaj RP, Ali F, Pillai MA, Wani SH, Yasin JK, Chandrashekharaiah KS. Multimeric Association of Purified Novel Bowman-Birk Inhibitor From the Medicinal Forage Legume Mucuna pruriens (L.) DC. FRONTIERS IN PLANT SCIENCE 2021; 12:772046. [PMID: 34899797 PMCID: PMC8655843 DOI: 10.3389/fpls.2021.772046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 10/22/2021] [Indexed: 06/14/2023]
Abstract
A Bowman-Birk protease, i.e., Mucuna pruriens trypsin inhibitor (MPTI), was purified from the seeds by 55.702-fold and revealed a single trypsin inhibitor on a zymogram with a specific activity of 202.31 TIU/mg of protein. On sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) under non-reducing conditions, the protease trypsin inhibitor fraction [i.e., trypsin inhibitor non-reducing (TINR)] exhibited molecular weights of 74 and 37 kDa, and under reducing conditions [i.e., trypsin inhibitor reducing (TIR)], 37 and 18 kDa. TINR-37 revealed protease inhibitor activity on native PAGE and 37 and 18 kDa protein bands on SDS-PAGE. TINR-74 showed peaks corresponding to 18.695, 37.39, 56.085, and 74.78 kDa on ultra-performance liquid chromatography (UPLC) coupled with electrospray ionization/quadrupole time-of-flight-mass spectrometry (ESI/QTOF-MS). Similarly, TINR-37 displayed 18.695 and 37.39 kDa peaks. Furthermore, TIR-37 and TIR-18 exhibited peaks corresponding to 37.39 and 18.695 kDa. Multiple peaks observed by the UPLC-ESI/QTOF analysis revealed the multimeric association, confirming the characteristic and functional features of Bowman-Birk inhibitors (BBIs). The multimeric association helps to achieve more stability, thus enhancing their functional efficiency. MPTI was found to be a competitive inhibitor which again suggested that it belongs to the BBI family of inhibitors, displayed an inhibitor constant of 1.3 × 10-6 M, and further demonstrates potent anti-inflammatory activity. The study provided a comprehensive basis for the identification of multimeric associates and their therapeutic potential, which could elaborate the stability and functional efficiency of the MPTI in the native state from M. pruriens.
Collapse
Affiliation(s)
- Jafar K. Lone
- Department of Studies and Research in Biochemistry, Mangalore University, Konaje, India
| | - Mandapanda A. Lekha
- Department of Studies and Research in Biochemistry, Mangalore University, Konaje, India
| | - Rajiv P. Bharadwaj
- Department of Studies and Research in Biochemistry, Mangalore University, Konaje, India
| | - Fasil Ali
- Department of Studies and Research in Biochemistry, Mangalore University, Konaje, India
| | - M. Arumugam Pillai
- Department of Plant Breeding and Genetics, Agricultural College and Research Institute, Tamil Nadu Agricultural University, Tuticorin, India
| | - Shabir H. Wani
- Mountain Research Centre For Field Crops, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Srinagar, India
| | - Jeshima Khan Yasin
- Division of Genomic Resources, Indian Council of Agricultural Research (ICAR)-National Bureau of Plant Genetic Resources, New Delhi, India
| | | |
Collapse
|
42
|
Tsanov V, Tsanov H. Theoretical Analysis of Anticancer Cellular Effects of Glycoside Amides. Anticancer Agents Med Chem 2021; 22:1171-1200. [PMID: 34477528 DOI: 10.2174/1871520621666210903122831] [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: 01/19/2021] [Revised: 06/17/2021] [Accepted: 07/05/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND This article is a continuation of Theoretical Analysis for the Safe Form and Dosage of Amygdalin Product and Theoretical Study of the Process of Passage of Glycoside Amides through the Cell Membrane of Cancer Cell. They consider some possible natural modifications and hypothesize that it is not nitrile glycosides that have antitumor properties, but their amide / carboxyl derivatives. The possibility of using this circumstance in conservative oncology is also considered. A mechanism for crossing the cell membrane and overcoming the immune functions of the cancer cell is presented. The physiologically active cancer cell itself is quite inert to external influences. It is far more stable than any physiologically active structural and/or functional organismal cell. Its defenses are discussed in detail in the article, and its main weakness was defined, namely: the cancer cell feeds mainly on carbohydrates and/ or carbohydrate complexes. In an effort to preserve its gene set, it has evolved to counteract biologically active substances by maximally preventing its passage through its cell membrane. It is this property that could be used to minimize its effect on the whole body. In the same article, based on theoretical calculations and literature references, a hypothesis is stated: cancers could turn from severe infectious to controlled chronic ones (similar to diabetes, chronic hepatitis, etc.) Objective: The pharmaceutical form allows deviation from the chemically pure substance. It is a convenient and at the same time accessible (from a financial and/or technological point of view) form for admission by patients. Due to the great variety of natural glycosamide nitriles (starting material for the production of amide/ carboxylic acid), modern pharmacology allows their combined intake by chemical nature and concentration of the active form crossing the cell membrane. Natural nitrile glycosides hydrolyzed to amide/carboxylic acid are still unexplored, but with great theoretical potential. As biologically active substances, these compounds also have significant toxicity. One of the purposes of this article is to organize laboratory tests on animals. METHODS A comparative analysis is performed on the basis of stoichiometric calculations for the concentration of the active form and the prediction of the bioactivity. For this purpose, the following methodology is applied: Data analysis for active anticancer cell molecular form and Determination of the drug dose. The derived chemicals obtained immediately after the passage of glycosamide across the cancer cell membrane are: (R)-2-hydroxy-2-phenylacetamide, (R)-2-hydroxy-2-(4-hydroxyphenyl)acetamide, (R)-2-hydroxy-2-(3-hydroxyphenyl)acetamide, 2-hydroxy-2-methylpropanamide, (S)-2-hydroxy-2-methylbutanamide, 2-hydroxy-3-methylbut-2-enamide, (2Z,4E)-4-(2-amino-1-hydroxy-2-oxoethylidene)hex-2-enedioic acid, (S)-1-hydroxycyclopent-2-ene-1-carboxamide, (1S,4S)-1,4-dihydroxycyclopent-2-ene-1-carboxamide, (1R,4R)-1,4,5-trihydroxycyclopent-2-ene-1-carboxamide, (Z)-2-((4S,6R)-4,6-dihydroxycyclohex-2-en-1-ylidene)acetamide, (R)-2-hydroxy-3-methylbutanamide, (E)-2-((4S,5R,6R)-4,5,6-trihydroxycyclohex-2-en-1-ylidene)acetamide, (Z)-2-((4R,5R,6S)-5,6-dihydroxy-4-methoxycyclohex-2-en-1-ylidene)acetamide, (E)-2-((4R,6S)-4,6-dihydroxycyclohex-2-en-1-ylidene)acetamide и (E)-2-((4S,5R,6R)-4,5,6-trihydroxycyclohex-2-en-1-ylidene)acetamide. RESULTS The use of two or more pharmaceutical forms would not prevent their penetration subject to the mass ratios between the active antitumor amide and the active carboxyl transfer form. CONCLUSION Amides resulting from the hydrolysis of nitrile glycosides would have the ability to cross the cell membrane of a cancer cell and thus cause its cellular response. The pharmaceutical form must represent the exact amide / carboxylic acid ratio for the corresponding active anticancer cell form.
Collapse
Affiliation(s)
- Vasil Tsanov
- Ministry of Interior, Fire safety and civil protection, Sofia, Bulgaria
| | - Hristo Tsanov
- Ministry of Interior, Fire safety and civil protection, Sofia, Bulgaria
| |
Collapse
|
43
|
Losso JN, Losso MN, Toc M, Inungu JN, Finley JW. The Young Age and Plant-Based Diet Hypothesis for Low SARS-CoV-2 Infection and COVID-19 Pandemic in Sub-Saharan Africa. PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2021; 76:270-280. [PMID: 34169470 PMCID: PMC8225309 DOI: 10.1007/s11130-021-00907-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/15/2021] [Indexed: 05/06/2023]
Abstract
Since the outbreak of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that caused the coronavirus disease-19 (COVID-19), in December 2019, the infection has spread around the globe. Some of the risk factors include social distancing, mask wearing, hand washing with soap, obesity, diabetes, hypertension, asthma, cardiovascular disease, and dysbiosis. Evidence has shown the incidence of total infection and death rates to be lower in sub-Saharan Africa when compared with North Africa, Europe and North America and many other parts of the world. The higher the metabolic syndrome rate, the higher the risk of SARS-CoV-2 infection. Africa has a lower rate of metabolic syndrome risk than many other continents. This paradox has puzzled several in the biomedical and scientific communities. Published results of research have demonstrated the exciting correlation that the combination of young age of the population coupled with their native plant-based diet has lowered their risk factors. The plant-based diet include whole grains (millet, sorghum), legumes (black-eye peas, dry beans, soybean), vegetables, potato, sweet potato, yams, squash, banana, pumpkin seeds, and moringa leaves, and lower consumption of meat. The plant-based diet results in a different gut microbiota than of most of the rest of the world. This has a significant impact on the survival rate of other populations. The "plant-based diet" results in lower rates of obesity, diabetes and dysbiosis, which could contribute to lower and less severe infections. However, these hypotheses need to be supported by more clinical and biostatistics data.
Collapse
Affiliation(s)
- Jack N Losso
- School of Nutrition and Food Sciences, Louisiana State University, Baton Rouge, LA, USA.
| | - MerryJean N Losso
- Department of Neurology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Marco Toc
- Department of Food Science and Nutrition, University of Illinois, Urbana Champaign, Champaign, IL, USA
| | - Joseph N Inungu
- School of Health Sciences, Central Michigan University, Mt Pleasant, MI, USA
| | - John W Finley
- School of Nutrition and Food Sciences, Louisiana State University, Baton Rouge, LA, USA
| |
Collapse
|
44
|
Vishweshwaraiah YL, Acharya A, Hegde V, Prakash B. Rational design of hyperstable antibacterial peptides for food preservation. NPJ Sci Food 2021; 5:26. [PMID: 34471114 PMCID: PMC8410836 DOI: 10.1038/s41538-021-00109-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Accepted: 06/11/2021] [Indexed: 02/07/2023] Open
Abstract
We describe the design of peptides with properties like thermostability, pH stability, and antibacterial activity against a few bacterial food pathogens. Insights obtained from classical structure-function analysis of natural peptides and their mutants through antimicrobial and enzymatic assays are used to rationally develop a set of peptides. pH and thermostability assays were performed to demonstrate robust antimicrobial activity post-treatment with high temperatures and at wide pH ranges. We have also investigated the mode of action of these hyperstable peptides using membrane permeability assays, electron microscopy, and molecular dynamics simulations. Notably, through mutational studies, we show that these peptides elicit their antibacterial action via both membrane destabilization and inhibition of intracellular trypsin-the two functions attributable to separate peptide segments. Finally, toxicity studies and food preservation assays demonstrate the safety and efficacy of the designed peptides for food preservation. Overall, the study provides a general 'blueprint' for the development of stable antimicrobial peptides (AMPs). Insights obtained from this work may also be combined with combinatorial methods in high-throughput studies for future development of antimicrobials for various applications.
Collapse
Affiliation(s)
- Yashavantha L. Vishweshwaraiah
- grid.417629.f0000 0004 0501 5711Department of Molecular Nutrition, CSIR-Central Food Technological Research Institute, Mysore, India
| | - Abhishek Acharya
- grid.417629.f0000 0004 0501 5711Department of Molecular Nutrition, CSIR-Central Food Technological Research Institute, Mysore, India
| | - Vinayak Hegde
- grid.417629.f0000 0004 0501 5711Department of Molecular Nutrition, CSIR-Central Food Technological Research Institute, Mysore, India ,grid.469887.c0000 0004 7744 2771Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh India
| | - Balaji Prakash
- grid.417629.f0000 0004 0501 5711Department of Molecular Nutrition, CSIR-Central Food Technological Research Institute, Mysore, India ,grid.448607.90000 0004 1781 3606Division of Biological and Life Sciences, School of Arts and Sciences, Ahmedabad University, Ahmedabad, Gujarat India
| |
Collapse
|
45
|
Protein extract of Bromelia karatas L. rich in cysteine proteases (ananain- and bromelain-like) has antibacterial activity against foodborne pathogens Listeria monocytogenes and Salmonella Typhimurium. Folia Microbiol (Praha) 2021; 67:1-13. [PMID: 34401996 DOI: 10.1007/s12223-021-00906-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 08/02/2021] [Indexed: 10/20/2022]
Abstract
Bromelia karatas L. is a plant species from the Americas. The presence of proteases in fruits of B. karatas has been reported but scarcely studied in detail. Proteolytic enzymes from Ananas comosus have displayed antifungal and antibacterial activity. Thus, novel proteases present in B. karatas may be useful as a source of compounds against microorganisms in medicine and food production. In this work, the protein extract from the fruits of B. karatas was characterized and its antibacterial activity against Salmonella Typhimurium and Listeria monocytogenes was determined for the first time. Proteins highly similar to ananain and the fruit bromelain from A. comosus were identified as the main proteases in B. karatas fruits using liquid chromatography with tandem mass spectrometry (LC-MS/MS). The soluble protein extract (SPE) at a concentration of 2.0 mg/mL displayed up to 80% of antibacterial activity against S. Typhimurium. Complete inhibition of L. monocytogenes was reached with up to 1.65 mg/mL of SPE. Plant protease extract containing ananain-like enzyme inhibited up to 90% against S. Typhimurium and up to 85% against L. monocytogenes using only 10 μg/mL of the partial-purified enzyme.
Collapse
|
46
|
Bocayuva Tavares GD, Fortes Aiub CA, Felzenszwalb I, Carrão Dantas EK, Araújo-Lima CF, Siqueira Júnior CL. In vitro biochemical characterization and genotoxicity assessment of Sapindus saponaria seed extract. JOURNAL OF ETHNOPHARMACOLOGY 2021; 276:114170. [PMID: 33932515 DOI: 10.1016/j.jep.2021.114170] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 04/23/2021] [Accepted: 04/24/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Sapindus saponaria, also popularly known as soapberry, has been used in folk medicinal values because of its therapeutic properties and several compounds in its composition, which represent a target in potential for drug discovery. However, few data about its potential toxicity has been reported. AIM OF THE STUDY Plant proteins can perform essential roles in survival, acting as defense mechanism, as well functioning as important molecular reserves for its natural metabolism. The aim of the current study was to investigate the in vitro toxicity profile of protein extract of S. saponaria and detect protein potentially involved in biological effects such as collagen hydrolysis and inhibition of viral proteases. MATERIALS AND METHODS Protein extract of soapberry seeds was investigated for its cytotoxic and genotoxic action using the Ames test. The protein extract was also subjected to a partial purification process of a protease and a protease inhibitor by gel chromatography filtration techniques and the partially isolated proteins were characterized biochemically. RESULTS Seed proteins extract of S. saponaria was evaluated until 100 μg/mL concentration, presenting cytotoxicity and mutagenicity in bacterial model mostly when exposed to exogenous metabolic system and causing cytotoxic and genotoxic effects in HepG2 cells. The purification and partial characterization of a serine protease (43 kDa) and a cysteine protease inhibitor (32.8 kDa) from protein extract of S. Saponaria, corroborate the idea of the biological use of the plant as an insecticide and larvicide. Although it shows cytotoxic, mutagenic and genotoxic effects. CONCLUSION The overall results of the present study provide supportive data on the potential use of proteins produced in S. saponaria seeds as pharmacological and biotechnological agents that can be further explored for the development of new drugs.
Collapse
Affiliation(s)
- Gustavo Duarte Bocayuva Tavares
- Laboratory of Biochemistry and Function of Plant Proteins, Department of Botany, Federal University of the State of Rio de Janeiro, Av. Pasteur, 458, Urca, Brazil.
| | - Claudia Alessandra Fortes Aiub
- Laboratory of Genotoxicity, Department of Genetics and Molecular Biology, Federal University of the State of Rio de Janeiro, R. Frei Caneca, 94, Centro, Brazil.
| | - Israel Felzenszwalb
- Department of Biophysics and Biometrics, State University of Rio de Janeiro, Av. 28 de Setembro, 87, Pavilhão Américo Piquet Carneiro - 4o. Andar, Vila Isabel, Rio de Janeiro, RJ, Brazil.
| | - Eduardo Kennedy Carrão Dantas
- Department of Biophysics and Biometrics, State University of Rio de Janeiro, Av. 28 de Setembro, 87, Pavilhão Américo Piquet Carneiro - 4o. Andar, Vila Isabel, Rio de Janeiro, RJ, Brazil.
| | - Carlos Fernando Araújo-Lima
- Department of Biophysics and Biometrics, State University of Rio de Janeiro, Av. 28 de Setembro, 87, Pavilhão Américo Piquet Carneiro - 4o. Andar, Vila Isabel, Rio de Janeiro, RJ, Brazil.
| | - César Luis Siqueira Júnior
- Laboratory of Biochemistry and Function of Plant Proteins, Research Center on Agricultural Systems, Department of Botany, Federal University of the State of Rio de Janeiro, Av. Pasteur, 458, Urca, Brazil.
| |
Collapse
|
47
|
Kårlund A, Paukkonen I, Gómez-Gallego C, Kolehmainen M. Intestinal Exposure to Food-Derived Protease Inhibitors: Digestion Physiology- and Gut Health-Related Effects. Healthcare (Basel) 2021; 9:1002. [PMID: 34442141 PMCID: PMC8394810 DOI: 10.3390/healthcare9081002] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 07/22/2021] [Accepted: 08/03/2021] [Indexed: 12/15/2022] Open
Abstract
Plant-derived protease inhibitors (PI), such as Bowman-Birk inhibitors and Kunitz-type inhibitors, have been suggested to negatively affect dietary protein digestion by blocking the activity of trypsin and chymotrypsin in the human gastrointestinal system. In addition, some PIs may possess proinflammatory activities. However, there is also scientific evidence on some beneficial effects of PIs, for example, gut-related anti-inflammatory and chemopreventive activities in vitro and in vivo. Some PIs are sensitive to processing and digestion; thus, their survival is an important aspect when considering their positive and negative bioactivities. The aim of this review was to evaluate the relevance of PIs in protein digestion in humans and to discuss the potential of PIs from whole foods and as purified compounds in decreasing symptoms of bowel-related conditions. Based on the reviewed literature, we concluded that while the complex interactions affecting plant protein digestibility and bioavailability remain unclear, PI supplements could be considered for targeted purposes to mitigate inflammation and gastric pain.
Collapse
Affiliation(s)
- Anna Kårlund
- Institute of Public Health and Clinical Nutrition, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland; (C.G.-G.); (M.K.)
| | - Isa Paukkonen
- Institute of Biomedicine, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland;
| | - Carlos Gómez-Gallego
- Institute of Public Health and Clinical Nutrition, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland; (C.G.-G.); (M.K.)
| | - Marjukka Kolehmainen
- Institute of Public Health and Clinical Nutrition, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland; (C.G.-G.); (M.K.)
| |
Collapse
|
48
|
Kallingal A, Thachan Kundil V, Ayyolath A, Muringayil Joseph T, Kar Mahapatra D, Haponiuk JT, Variyar EJ. Identification of sustainable trypsin active-site inhibitors from Nigrospora sphaerica strain AVA-1. J Basic Microbiol 2021; 61:709-720. [PMID: 34228389 DOI: 10.1002/jobm.202100221] [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: 05/07/2021] [Revised: 05/25/2021] [Accepted: 06/24/2021] [Indexed: 11/09/2022]
Abstract
Trypsin is a protein-digesting enzyme that is essential for the growth and regeneration of bone, muscle, cartilage, skin, and blood. The trypsin inhibitors have various role in diseases such as inflammation, Alzheimer's disease, pancreatitis, rheumatoid arthritis, cancer prognosis, metastasis and so forth. From 10 endophytic fungi isolated, we were able to screen only one strain with the required activity. The fungus with activity was obtained as an endophyte from Dendrophthoe falcata and was later identified as Nigrospora sphaerica. The activity was checked by enzyme assays using trypsin. The fungus was fermented and the metabolites were extracted and further purified by bioassay-guided chromatographic methods and the compound isolated was identified using gas chromatography-mass spectrometry. The compound was identified as quercetin. Docking studies were employed to study the interaction. The absorption, distribution, metabolism, and excretion analysis showed satisfactory results and the compound has no AMES and hepatotoxicity. This study reveals the ability of N. sphaerica to produce bioactive compound quercetin has been identified as a potential candidate for trypsin inhibition. The present communication describes the first report claiming that N. sphaerica strain AVA-1 can produce quercetin and it can be considered as a sustainable source of trypsin active-site inhibitors.
Collapse
Affiliation(s)
- Anoop Kallingal
- Department of Biotechnology and Microbiology, School of Life Science, Kannur University, Palayad, Kerala, India
| | - Varun Thachan Kundil
- Department of Biotechnology and Microbiology, School of Life Science, Kannur University, Palayad, Kerala, India
| | - Aravind Ayyolath
- Department of Biotechnology and Microbiology, School of Life Science, Kannur University, Palayad, Kerala, India
| | - Tomy Muringayil Joseph
- Polymers Technology Department, Chemical Faculty, Gdansk University of Technology, Gdansk, Poland
| | - Debarshi Kar Mahapatra
- Department of Pharmaceutical Chemistry, Dadasaheb Balpande College of Pharmacy, Nagpur, Maharashtra, India
| | - Józef T Haponiuk
- Polymers Technology Department, Chemical Faculty, Gdansk University of Technology, Gdansk, Poland
| | - E Jayadevi Variyar
- Department of Biotechnology and Microbiology, School of Life Science, Kannur University, Palayad, Kerala, India
| |
Collapse
|
49
|
de Siqueira Patriota LL, do Nascimento Santos DKD, da Silva Barros BR, de Souza Aguiar LM, Silva YA, Dos Santos ACLA, Gama E Silva M, Barroso Coelho LCB, Paiva PMG, Pontual EV, de Melo CML, Mendes RL, Napoleáo TH. Evaluation of the In Vivo Acute Toxicity and In Vitro Hemolytic and Immunomodulatory Activities of the Moringa oleifera Flower Trypsin Inhibitor (MoFTI). Protein Pept Lett 2021; 28:665-674. [PMID: 33191881 DOI: 10.2174/0929866527999201113105858] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Revised: 10/09/2020] [Accepted: 10/16/2020] [Indexed: 12/18/2022]
Abstract
BACKGROUND Protease inhibitors have been isolated from plants and present several biological activities, including immunomodulatory action. OBJECTIVE This work aimed to evaluate a Moringa oleifera flower trypsin inhibitor (MoFTI) for acute toxicity in mice, hemolytic activity on mice erythrocytes and immunomodulatory effects on mice splenocytes. METHODS The acute toxicity was evaluated using Swiss female mice that received a single dose of the vehicle control or MoFTI (300 mg/kg, i.p.). Behavioral alterations were observed 15-240 min after administration, and survival, weight gain, and water and food consumption were analyzed daily. Organ weights and hematological parameters were analyzed after 14 days. Hemolytic activity of MoFTI was tested using Swiss female mice erythrocytes. Splenocytes obtained from BALB/c mice were cultured in the absence or presence of MoFTI for the evaluation of cell viability and proliferation. Mitochondrial membrane potential (Δψm) and reactive oxygen species (ROS) levels were also determined. Furthermore, the culture supernatants were analyzed for the presence of cytokines and nitric oxide (NO). RESULTS MoFTI did not cause death or any adverse effects on the mice except for abdominal contortions at 15-30 min after administration. MoFTI did not exhibit a significant hemolytic effect. In addition, MoFTI did not induce apoptosis or necrosis in splenocytes and had no effect on cell proliferation. Increases in cytosolic and mitochondrial ROS release, as well as Δψm reduction, were observed in MoFTI-treated cells. MoFTI was observed to induce TNF-α, IFN-γ, IL-6, IL-10, and NO release. CONCLUSION These results contribute to the ongoing evaluation of the antitumor potential of MoFTI and its effects on other immunological targets.
Collapse
Affiliation(s)
| | | | | | | | - Yasmym Araújo Silva
- Laboratorio de Oncologia Experimental, Universidade Federal do Vale do Sao Francisco, Petrolina, Brazil
| | | | - Mariana Gama E Silva
- Laboratorio de Oncologia Experimental, Universidade Federal do Vale do Sao Francisco, Petrolina, Brazil
| | | | | | - Emmanuel Viana Pontual
- Departamento de Morfologia e Fisiologia Animal, Universidade Federal Rural de Pernambuco, Recife, Brazil
| | | | - Rosemairy Luciane Mendes
- Laboratorio de Oncologia Experimental, Universidade Federal do Vale do Sao Francisco, Petrolina, Brazil
| | - Thiago Henrique Napoleáo
- Departamento de Bioquimica, Centro de Biociencias, Universidade Federal de Pernambuco, Recife, Brazil
| |
Collapse
|
50
|
Yadav NK, Saikhedkar NS, Giri AP. PINIR: a comprehensive information resource for Pin-II type protease inhibitors. BMC PLANT BIOLOGY 2021; 21:267. [PMID: 34107869 PMCID: PMC8188708 DOI: 10.1186/s12870-021-03027-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 05/10/2021] [Indexed: 05/22/2023]
Abstract
BACKGROUND Serine protease inhibitors belonging to the Potato type-II Inhibitor family Protease Inhibitors (Pin-II type PIs) are essential plant defense molecules. They are characterized by multiple inhibitory repeat domains, conserved disulfide bond pattern, and a tripeptide reactive center loop. These features of Pin-II type PIs make them potential molecules for protein engineering and designing inhibitors for agricultural and therapeutic applications. However, the diversity in these PIs remains unexplored due to the lack of annotated protein sequences and their functional attributes in the available databases. RESULTS We have developed a database, PINIR (Pin-II type PIs Information Resource), by systematic collection and manual annotation of 415 Pin-II type PI protein sequences. For each PI, the number and position for signature sequences are specified: 695 domains, 75 linkers, 63 reactive center loops, and 10 disulfide bond patterns are identified and mapped. Database analysis revealed novel subcategories of PIs, species-correlated occurrence of inhibitory domains, reactive center loops, and disulfide bond patterns. By analyzing linker regions, we predict that alternative processing at linker regions could generate PI variants in the Solanaceae family. CONCLUSION PINIR ( https://pinir.ncl.res.in ) provides a web interface for browsing and analyzing the protein sequences of Pin-II type PIs. Information about signature sequences, spatio-temporal expression, biochemical properties, gene sequences, and literature references are provided. Analysis of PINIR depicts conserved species-specific features of Pin-II type PI protein sequences. Diversity in the sequence of inhibitory domains and reactive loops directs potential applications to engineer Pin-II type PIs. The PINIR database will serve as a comprehensive information resource for further research into Pin-II type PIs.
Collapse
Affiliation(s)
- Nikhilesh K Yadav
- Publication and Science Communication Unit, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India
- Information Systems Area, Indian Institute of Management Indore, Indore, 453556, India
| | - Nidhi S Saikhedkar
- Biochemical Sciences Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Ashok P Giri
- Biochemical Sciences Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
| |
Collapse
|