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Belfiori B, Riccioni C, Pietrella D, Rubini A, Caceres ME, Pupilli F, Bellucci M, De Marchis F. Vicia ervilia lectin (VEA) has an antibiofilm effect on both Gram-positive and Gram-negative pathogenic bacteria. Arch Microbiol 2024; 206:371. [PMID: 39122975 PMCID: PMC11315768 DOI: 10.1007/s00203-024-04100-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2024] [Revised: 07/23/2024] [Accepted: 08/02/2024] [Indexed: 08/12/2024]
Abstract
Bacterial growing resistance to antibiotics poses a critical threat to global health. This study investigates, for the first time, the antibiofilm properties of Vicia ervilia agglutinin (VEA) from six different V. ervilia accessions against pathogenic bacteria, and the yeast Candida albicans. In the absence of antimicrobial properties, purified VEA significantly inhibited biofilm formation, both in Gram-positive and Gram-negative bacteria, but not in C. albicans. With an inhibitory concentration ranging from 100 to 500 µg/ml, the VEA antibiofilm activity was more relevant against the Gram-positive bacteria Streptococcus aureus and Staphylococcus epidermidis, whose biofilm was reduced up to 50% by VEA purified from accessions #5 and #36. VEA antibiofilm variability between accessions was observed, likely due to co-purified small molecules rather than differences in VEA protein sequences. In conclusion, VEA seed extracts from the accessions with the highest antibiofilm activity could represent a valid approach for the development of an effective antibiofilm agent.
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Affiliation(s)
- Beatrice Belfiori
- Institute of Biosciences and Bioresources (IBBR), National Research Council (CNR), 06128, Perugia, Italy
| | - Claudia Riccioni
- Institute of Biosciences and Bioresources (IBBR), National Research Council (CNR), 06128, Perugia, Italy
| | - Donatella Pietrella
- Department of Medicine and Surgery, University of Perugia, Piazzale S. Gambuli 1, 06132, Perugia, Italy
| | - Andrea Rubini
- Institute of Biosciences and Bioresources (IBBR), National Research Council (CNR), 06128, Perugia, Italy
| | - Maria Eugenia Caceres
- Institute of Biosciences and Bioresources (IBBR), National Research Council (CNR), 06128, Perugia, Italy
| | - Fulvio Pupilli
- Institute of Biosciences and Bioresources (IBBR), National Research Council (CNR), 06128, Perugia, Italy
| | - Michele Bellucci
- Institute of Biosciences and Bioresources (IBBR), National Research Council (CNR), 06128, Perugia, Italy.
| | - Francesca De Marchis
- Institute of Biosciences and Bioresources (IBBR), National Research Council (CNR), 06128, Perugia, Italy.
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2
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Une S, Nakata R, Nonaka K, Akiyama J. Antiproliferative and anti-inflammatory effects of fractionated crude lectins from boiled kidney beans (Phaseolus vulgaris). J Food Sci 2024; 89:671-683. [PMID: 37983860 DOI: 10.1111/1750-3841.16847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 10/05/2023] [Accepted: 11/01/2023] [Indexed: 11/22/2023]
Abstract
In this study, we investigated the biological profile of lectins isolated from raw and boiled Japanese red Kintoki beans (red kidney beans [RKB]; Phaseolus vulgaris). Lectins in beans showing agglutination activity were retained after heating. Raw and boiled RKB lectins were fractionated using carboxymethyl- and diethylaminoethyl-Sepharose, respectively. Boiled RKB lectins were evaluated for carbohydrate specificity as well as cytokine-inducing and antiproliferative activities against cancer cells and compared with raw RKB lectins. Raw RKB lectins showed specificity for thyroglobulin and fetuin, whereas boiled lectins showed specificity for N-acetylneuraminic acid. Raw RKB lectins showed low resistance to proteases and tolerated temperatures greater than 80°C for 5 min. Notably, lectins from raw and boiled beans showed antiproliferative activity against five types of cancer cells B16, LM8, HeLa, HepG2, and Colo 679. In particular, lectins from raw beans exhibited a significantly stronger activity than those from boiled beans. Anti-inflammatory effects were notably observed in crude extracts from raw and boiled beans. Specifically, lectins fractionated from boiled beans markedly inhibited the expression of tumor necrosis factor-α and interleukin-6. Overall, our results showed that RKB lectins from boiled beans exert anti-inflammatory and anticancer effects and could be developed as potential chemopreventive agents. PRACTICAL APPLICATION: Japanese red kidney beans (RKB) are cultivated in numerous parts of the temperate zone and consumed in many countries. Lectins from boiled beans exhibited anticancer activity, similar to lectins from raw beans. Additionally, crude and fractionated lectins from boiled beans showed anti-inflammatory activity. Thus, boiled RKB lectins have the potential to be used as a bioactive protein for medical research and could be developed as anticancer agents.
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Affiliation(s)
- Satsuki Une
- Faculty of Education, Kagawa University, Takamatsu, Kagawa, Japan
| | - Rieko Nakata
- Faculty of human Life and Environment, Nara Women's University, Nara, Japan
| | - Koji Nonaka
- Faculty of Health Science, Naragakuen University, Sangho-cho, Nara, Japan
| | - Junich Akiyama
- Department of Physical Therapy, Kibi International University, Takahasi, Okayama, Japan
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3
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Mahaboob Batcha AT, Subramaniam G, Venkatachalam K. Purified Banana lectin (BanLec) isolated from the ripen pulp of Musa Paradisiaca induces apoptosis in cancer cell lines: in vitro study. ADVANCES IN TRADITIONAL MEDICINE 2022. [DOI: 10.1007/s13596-022-00637-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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4
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Abstract
Lectins are widely distributed proteins having ability of binding selectively and reversibly with carbohydrates moieties and glycoconjugates. Although lectins have been reported from different biological sources, the legume lectins are the best-characterized family of plant lectins. Legume lectins are a large family of homologous proteins with considerable similarity in amino acid sequence and their tertiary structures. Despite having strong sequence conservation, these lectins show remarkable variability in carbohydrate specificity and quaternary structures. The ability of legume lectins in recognizing glycans and glycoconjugates on cells and other intracellular structures make them a valuable research tool in glycomic research. Due to variability in binding with glycans, glycoconjugates and multiple biological functions, legume lectins are the subject of intense research for their diverse application in different fields such as glycobiology, biomedical research and crop improvement. The present review specially focuses on structural and functional characteristics of legume lectins along with their potential areas of application.
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Affiliation(s)
- Rajan Katoch
- Biochemistry Laboratory, Department of Genetics and Plant Breeding, CSKHPKV, Palampur, 176 062 India
| | - Ankur Tripathi
- Biochemistry Laboratory, Department of Genetics and Plant Breeding, CSKHPKV, Palampur, 176 062 India
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5
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Liu Z, Li L, Xue B, Zhao D, Zhang Y, Yan X. A New Lectin from Auricularia auricula Inhibited the Proliferation of Lung Cancer Cells and Improved Pulmonary Flora. BIOMED RESEARCH INTERNATIONAL 2021; 2021:5597135. [PMID: 34337031 PMCID: PMC8289579 DOI: 10.1155/2021/5597135] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 04/29/2021] [Accepted: 06/23/2021] [Indexed: 12/24/2022]
Abstract
Lectins are widely distributed in the natural world and are usually involved in antitumor activities. Auricularia auricula (A. auricula) is a medicinal and edible homologous fungus. A. auricula contains many active ingredients, such as polysaccharides, melanin, flavonoids, adenosine, sterols, alkaloids, and terpenes. In this study, we expected to isolate and purify lectin from A. auricula, determine the glycoside bond type and sugar-specific protein of A. auricula lectin (AAL), and finally, determine its antitumor activities. We used ammonium sulfate fractionation, ion exchange chromatography, and affinity chromatography to separate and purify lectin from A. auricula. The result was a 25 kDa AAL with a relative molecular mass of 18913.22. Protein identification results suggested that this lectin contained four peptide chains by comparing with the UniProt database. The FT-IR and β-elimination reaction demonstrated that the connection between the oligosaccharide and polypeptide of AAL was an N-glucoside bond. Analyses of its physical and chemical properties showed that AAL was a temperature-sensitive and acidic/alkaline-dependent glycoprotein. Additionally, the anticancer experiment manifested that AAL inhibited the proliferation of A549, and the IC50 value was 28.19 ± 1.92 μg/mL. RNA sequencing dataset analyses detected that AAL may regulate the expression of JUN, TLR4, and MYD88 to suppress tumor proliferation. Through the pulmonary flora analysis, the bacterial structure of each phylum in the lectin treatment group was more reasonable, and the colonization ability of the normal microflora was improved, indicating that lectin treatment could significantly improve the bacterial diversity characteristics.
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Affiliation(s)
- ZhenDong Liu
- Key Laboratory of Saline-Alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Sciences, Northeast Forestry University, Harbin 150040, China
- Food Science College, Tibet Agriculture & Animal Husbandry University, Nyingchi 860000, China
| | - Liang Li
- Food Science College, Tibet Agriculture & Animal Husbandry University, Nyingchi 860000, China
| | - Bei Xue
- Food Science College, Tibet Agriculture & Animal Husbandry University, Nyingchi 860000, China
| | - DanDan Zhao
- Sino-Russian Joint Laboratory of Bioactive Substance, College of Life Science, Heilongjiang University, 150080, China
| | - YanLong Zhang
- Sino-Russian Joint Laboratory of Bioactive Substance, College of Life Science, Heilongjiang University, 150080, China
| | - XiuFeng Yan
- College of Life and Environmental Science, Wenzhou University, Chashan University Town, Wenzhou 325035, China
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6
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Katoch R, Tripathi A. Research advances and prospects of legume lectins. J Biosci 2021; 46:104. [PMID: 34815374 PMCID: PMC8608583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 09/28/2021] [Indexed: 11/09/2023]
Abstract
Lectins are widely distributed proteins having ability of binding selectively and reversibly with carbohydrates moieties and glycoconjugates. Although lectins have been reported from different biological sources, the legume lectins are the best-characterized family of plant lectins. Legume lectins are a large family of homologous proteins with considerable similarity in amino acid sequence and their tertiary structures. Despite having strong sequence conservation, these lectins show remarkable variability in carbohydrate specificity and quaternary structures. The ability of legume lectins in recognizing glycans and glycoconjugates on cells and other intracellular structures make them a valuable research tool in glycomic research. Due to variability in binding with glycans, glycoconjugates and multiple biological functions, legume lectins are the subject of intense research for their diverse application in different fields such as glycobiology, biomedical research and crop improvement. The present review specially focuses on structural and functional characteristics of legume lectins along with their potential areas of application.
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Affiliation(s)
- Rajan Katoch
- Biochemistry Laboratory, Department of Genetics and Plant Breeding, CSKHPKV, Palampur, 176 062 India
| | - Ankur Tripathi
- Biochemistry Laboratory, Department of Genetics and Plant Breeding, CSKHPKV, Palampur, 176 062 India
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7
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Madayi D, P H S, K K E. A Glucose binding lectin from Leucaena leucocephala seeds and its mitogenic activity against human lymphocytes. Int J Biol Macromol 2020; 163:431-441. [PMID: 32645492 DOI: 10.1016/j.ijbiomac.2020.07.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 06/29/2020] [Accepted: 07/04/2020] [Indexed: 11/25/2022]
Abstract
Lectins are a specialized group of proteins with immense biological properties and applications. This study describes the purification and characterization of a lectin from Leucaena leucocephala seeds, a plant belonging to the Fabaceae family. Leucaena leucocephala lectin (LLL) was purified by a two-step purification method involving DEAE-cellulose anion exchange chromatography and Sephadex G-75 size exclusion chromatography. The isolated lectin displayed a high haemagglutination titre upon treatment with rabbit erythrocytes. SDS-PAGE and Reverse-Phase High performance liquid chromatography (RP-HPLC) analysis experimentally revealed the presence of three bands corresponding to 37, 27 and 20 kDa indicating the presence of isolectins. Periodic Acid Schiff's (PAS) staining of LLL confirmed the presence of glycoprotein. Various biochemical parameters were analysed to study its effect on the haemagglutination activity. Sugar inhibition studies experimentally revealed that Glucose was the most potent inhibitor. Fluorescence spectrometric analysis of LLL and Glucose indicated a strong interaction with an association constant of 0.159 × 103 M-1. Circular Dichroism spectroscopy indicated a higher alpha helical content (25.27%). LLL was observed to possess mitogenic activity against Peripheral blood mononuclear cells (PBMC). The present investigation reports the isolation of a novel lectin from this plant which could contribute towards the diagnostic studies of certain diseases and for its therapeutic potential.
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Affiliation(s)
- Deepti Madayi
- Department of Biotechnology, University of Calicut, Kerala 673635, India.
| | - Surya P H
- Department of Biotechnology, University of Calicut, Kerala 673635, India
| | - Elyas K K
- Department of Biotechnology, University of Calicut, Kerala 673635, India.
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Gautam AK, Sharma D, Sharma J, Saini KC. Legume lectins: Potential use as a diagnostics and therapeutics against the cancer. Int J Biol Macromol 2020; 142:474-483. [DOI: 10.1016/j.ijbiomac.2019.09.119] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 09/16/2019] [Accepted: 09/16/2019] [Indexed: 12/17/2022]
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9
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Zeng Q, Lin F, Zeng L, Deng Y, Li L. Purification and characterization of a novel immunomodulatory lectin from Artocarpus hypargyreus Hance. Int Immunopharmacol 2019; 71:285-294. [DOI: 10.1016/j.intimp.2019.03.027] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Revised: 03/14/2019] [Accepted: 03/14/2019] [Indexed: 01/17/2023]
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Calliandra surinamensis lectin (CasuL) does not impair the functionality of mice splenocytes, promoting cell signaling and cytokine production. Biomed Pharmacother 2018; 107:650-655. [DOI: 10.1016/j.biopha.2018.08.043] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2018] [Revised: 08/06/2018] [Accepted: 08/10/2018] [Indexed: 12/14/2022] Open
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12
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Biochemical and functional properties of a lectin purified from the seeds of Cicer arietinum L. 3 Biotech 2018; 8:272. [PMID: 29868310 DOI: 10.1007/s13205-018-1272-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 05/02/2018] [Indexed: 02/08/2023] Open
Abstract
A 35 kDa rabbit erythrocyte agglutinating lectin from the seeds of Cicer arietinum was purified and designated as CAL. The lectin was inhibited by fetuin and N-acetyl-d-galactosamine at a concentration of 20 and 50 mM respectively, but not by simple mono or oligosaccharides. CAL is active between pH 5 and 10 presented thermo stability up to 50 °C and demonstrated DNA damage inhibition at 30 µg concentration. The lectin elicited maximum mitogenic activity towards mice splenocytes at 7.5 µg ml- 1. CAL exerted an inhibitory activity on HIV-1 reverse transcriptase with IC50 of 180 µM. CAL abilities in animal bioassay resulted decreased levels of total triglyceride and creatinine. In vitro and in vivo studies revealed that CAL may constitute an important role impending biomedical applications.
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13
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Joghatai M, Barari L, Mousavie Anijdan SH, Elmi MM. The evaluation of radio-sensitivity of mung bean proteins aqueous extract on MCF-7, hela and fibroblast cell line. Int J Radiat Biol 2018; 94:478-487. [PMID: 29482484 DOI: 10.1080/09553002.2018.1446226] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
PURPOSE Breast cancer is one of the most common malignant tumors in women all over the world. Many of these women resist the common treatments. Therefore, it is important to find new products to increase the efficacy of the treatment process. Legume beans, with their various pharmacological properties, can be regarded as a sensitizer when they are combined with radiation. The present study strove to survey the radio-sensitivity effect of proteins isolated from mung bean aqueous extract on the human breast adenocarcinoma cell line (MCF-7), human cervical cancer cells (Hela) and the human dermal fibroblast cell line. MATERIALS AND METHODS The mung bean aqueous extract was partially purified by ammonium sulfate. At first, various concentrations of the extracts were used to evaluate the inhibitory activity by MTT cell proliferation assay. RESULTS The results showed that MCF-7 cells and Hela cells were inhibited by an IC50 value of less than 250 and 411 µg/ml, respectively, but it proved to have a proliferation effect on the fibroblast cells. Then, the cells were incubated with 250 µg/ml extract and exposed to 2, 4, and 6 Gy of X-ray radiation. The percentage of the cell survival was investigated through MTT and the clonogenic assay. Apoptosis was measured using acridine orange/ethidium bromide staining. The results demonstrated that the treated MCF-7 cells and Hela cells had significant radio-sensitivity compared with the results of the control group in radiation dose manner in all MTT, clonogenic, and apoptosis assays. In contrast, the treated fibroblast showed a protective effect against radiation. CONCLUSION The results suggest that mung bean proteins have the capacity to be regarded as a radio-sensitizer for breast cancer. Our results also indicated that it could be worth to investigate on mung bean proteins further and they should be tested in animal models for being treated in radiotherapy.
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Affiliation(s)
- Mahnaz Joghatai
- a Department of Medical Physics, Radiobiology and Protection , Babol University of Medical Sciences , Babol , Iran
| | - Ladan Barari
- b Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences , Babol , Iran
| | | | - Maryam Mitra Elmi
- b Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences , Babol , Iran.,c Deparment of Medical Physics , Health Research Institute, Babol University of Medical Sciences , Babol , Iran
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14
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Song J, Shi W, Wang W, Zhang Y, Zheng S. Grim-19 expressed by recombinant adenovirus for esophageal neoplasm target therapy. Mol Med Rep 2018; 17:6667-6674. [PMID: 29488605 DOI: 10.3892/mmr.2018.8638] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Accepted: 09/06/2017] [Indexed: 11/05/2022] Open
Abstract
Esophageal squamous cell carcinoma (ESCC) and esophageal adenocarcinoma (EA) are the two most common types of esophageal cancer, which is the sixth highest cause of cancer‑associated mortality and the eighth most common cancer worldwide. Gene associated with retinoid‑interferon (IFN)‑induced mortality‑19 (Grim‑19) is reported to be a cell death activator that may be used to define mechanisms involved in IFN‑β‑ and retinoic acid‑induced cell death and apoptosis in a number of tumor cell lines. The present study constructed a recombinant adenovirus expressing Grim‑19 (rAd‑Grim‑19) and investigated its therapeutic outcomes in ESCC cells and tumor‑bearing mice. Grim‑19 expression was detected in EC‑109 (ESCC) cells by reverse transcription‑quantitative polymerase chain reaction and western blot analysis. Tumor cell death and apoptosis induced by rAd‑Grim‑19 in EC‑109 cells were analyzed by flow cytometry. The inhibitory effects of rAd‑Grim‑19 on EC‑109 growth were determined by MTT assays. Furthermore, the therapeutic effects of rAd‑Grim‑19 were investigated in EC‑109‑bearing mice. The results demonstrated that Grim‑19 mRNA and protein expression was downregulated in EC‑109 esophageal carcinoma cells compared with Het‑1A normal esophageal epithelial cells. In addition, EC‑109 cells exhibited a significant reduction in tumor cell growth in the rAd‑Grim‑19 group compared with the control groups. Furthermore, rAd‑Grim‑19 increased EC‑109 cell apoptosis compared with the control group. These results indicated that rAd-Grim-19 may regulate tumor cell growth and apoptosis. Additionally, the results demonstrated that rAd‑Grim‑19 led to beneficial outcomes and prolonged the survival of esophageal tumor‑bearing mice. In conclusion, the present study demonstrated that rAd‑Grim‑19 may have potential as an antitumor agent for esophageal neoplasms and may therefore be beneficial for patients with esophageal neoplasms.
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Affiliation(s)
- Jianxiang Song
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Woda Shi
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Wencai Wang
- Department of Cardiothoracic Surgery, The Third People's Hospital, Yancheng, Jiangsu 224001, P.R. China
| | - Yajun Zhang
- Department of Cardiothoracic Surgery, The Third People's Hospital, Yancheng, Jiangsu 224001, P.R. China
| | - Shiying Zheng
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
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He S, Simpson BK, Sun H, Ngadi MO, Ma Y, Huang T. Phaseolus vulgaris lectins: A systematic review of characteristics and health implications. Crit Rev Food Sci Nutr 2017; 58:70-83. [PMID: 26479307 DOI: 10.1080/10408398.2015.1096234] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Legume lectins are carbohydrate-binding proteins of non-immune origin. Significant amounts of lectins have been found in Phaseolus vulgaris beans as far back as in the last century; however, many questions about their potential biological roles still remain obscure. Studies have shown that lectins are anti-nutritional factors that can cause intestinal disorders. Owing to their ability to act as toxic allergens and hemagglutinins, the Phaseolus vulgaris lectins are of grave concern for human health and safety. Nonetheless, their potential beneficial health effects, such as anti-cancer, anti-human immunodeficiency virus (anti-HIV), anti-microbial infection, preventing mucosal atrophy, reducing type 2 diabetes and obesity, promoting nutrients absorption and targeting drugs, are of immense interest. The significance of Phaseolus vulgaris lectins in biological researches and the potential biomedical applications have placed tremendous emphasis on the development of purification strategies to obtain the protein in pure and stable forms. These purification strategies entail considerations such as effects of proteolysis, heating, gamma radiation, and high-hydrostatic-pressure that can have crucial outcomes in either eliminating or improving bioactivities of the lectins. Thus, up-to-date research findings of Phaseolus vulgaris lectins on different aspects such as anti-nutritional and health impacts, purification strategies and novel processing trends, are systematically reviewed.
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Affiliation(s)
- Shudong He
- a School of Biotechnology and Food Engineering , Hefei University of Technology , Hefei , Anhui , China.,b School of Food Science and Engineering , Harbin Institute of Technology , Harbin , Heilongjiang , China.,c Department of Food Science and Agricultural Chemistry , Macdonald Campus, McGill University , Ste-Anne-de-Bellevue, Québec , Canada
| | - Benjamin K Simpson
- c Department of Food Science and Agricultural Chemistry , Macdonald Campus, McGill University , Ste-Anne-de-Bellevue, Québec , Canada
| | - Hanju Sun
- a School of Biotechnology and Food Engineering , Hefei University of Technology , Hefei , Anhui , China
| | - Michael O Ngadi
- d Department of Bioresource Engineering , Macdonald Campus, McGill University , Ste-Anne-de-Bellevue, Québec , Canada
| | - Ying Ma
- b School of Food Science and Engineering , Harbin Institute of Technology , Harbin , Heilongjiang , China
| | - Tiemin Huang
- e Advanced Electrophoresis Solutions Ltd. , Cambridge , Ontario , Canada
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ArtinM Mediates Murine T Cell Activation and Induces Cell Death in Jurkat Human Leukemic T Cells. Int J Mol Sci 2017; 18:ijms18071400. [PMID: 28665310 PMCID: PMC5535893 DOI: 10.3390/ijms18071400] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 06/22/2017] [Accepted: 06/25/2017] [Indexed: 12/24/2022] Open
Abstract
The recognition of cell surface glycans by lectins may be critical for the innate and adaptive immune responses. ArtinM, a d-mannose-binding lectin from Artocarpus heterophyllus, activates antigen-presenting cells by recognizing TLR2 N-glycans and induces Th1 immunity. We recently demonstrated that ArtinM stimulated CD4+ T cells to produce proinflammatory cytokines. Here, we further studied the effects of ArtinM on adaptive immune cells. We showed that ArtinM activates murine CD4+ and CD8+ T cells, augmenting their positivity for CD25, CD69, and CD95 and showed higher interleukin (IL)-2 and interferon (IFN)-γ production. The CD4+ T cells exhibited increased T-bet expression in response to ArtinM, and IL-2 production by CD4+ and CD8+ T cells depended on the recognition of CD3εγ-chain glycans by ArtinM. The ArtinM effect on aberrantly-glycosylated neoplastic lymphocytes was studied in Jurkat T cells, in which ArtinM induced IL-2, IFN-γ, and IL-1β production, but decreased cell viability and growth. A higher frequency of AnnexinV- and propidium iodide-stained cells demonstrated the induction of Jurkat T cells apoptosis by ArtinM, and this apoptotic response was reduced by caspases and protein tyrosine kinase inhibitors. The ArtinM effects on murine T cells corroborated with the immunomodulatory property of lectin, whereas the promotion of Jurkat T cells apoptosis may reflect a potential applicability of ArtinM in novel strategies for treating lymphocytic leukemia.
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Feng LX, Sun P, Mi T, Liu M, Liu W, Yao S, Cao YM, Yu XL, Wu WY, Jiang BH, Yang M, Guo DA, Liu X. Agglutinin isolated from Arisema heterophyllum Blume induces apoptosis and autophagy in A549 cells through inhibiting PI3K/Akt pathway and inducing ER stress. Chin J Nat Med 2017; 14:856-864. [PMID: 27914529 DOI: 10.1016/s1875-5364(16)30102-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Indexed: 12/27/2022]
Abstract
Arisaema heterophyllum Blume is one of the three medicinal plants known as traditional Chinese medicine Rhizoma Arisaematis (RA). RA has been popularly used to treat patients with convulsions, inflammation, and cancer for a long time. However, the underlying mechanisms for RA effects are still unclear. The present study was designed to determine the cytotoxicity of agglutinin isolated from Arisema heterophyllum Blume (AHA) and explore the possible mechanisms in human non-small-cell lung cancer A549 cells. AHA with purity up to 95% was isolated and purified from Arisaema heterophyllum Blume using hydrophobic interaction chromatography. AHA dose-dependently inhibited the proliferation of A549 cells and induced G1 phase cell cycle arrest. AHA induced apoptosis by up-regulating pro-apoptotic Bax, decreasing anti-apoptotic Bcl-2, and activating caspase-9 and caspase-3. In A549 cells treated with AHA, the PI3K/Akt pathway was inhibited. Furthermore, AHA induced increase in the levels of ER stress markers such as phosphorylated eukaryotic initiation factor 2α (p-eIF2α), C/EBP-homologous protein (CHOP), inositol-requiring enzyme 1α (IRE1α), and phosphorylated c-Jun NH2-terminal kinase (p-JNK). AHA also induced autophagy in A549 cells. Staining of acidic vesicular organelles (AVOs) and increase in the levels of LC3II and ATG7 were observed in AHA-treated cells. These findings suggested that AHA might be one of the active components with anti-cancer effects in Arisaema heterophyllum Blume. In conclusion, cytotoxicity of AHA on cancer cells might be related to its effects on apoptosis and autophagy through inhibition of PI3K/Akt pathway and induction of ER stress.
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Affiliation(s)
- Li-Xing Feng
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Peng Sun
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Tian Mi
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Miao Liu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Wang Liu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Si Yao
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Yi-Min Cao
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Xiao-Lu Yu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Wan-Ying Wu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Bao-Hong Jiang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Min Yang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - De-An Guo
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.
| | - Xuan Liu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.
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Wu J, Wang J, Wang S, Rao P. Lunatin, a novel lectin with antifungal and antiproliferative bioactivities from Phaseolus lunatus billb. Int J Biol Macromol 2016; 89:717-24. [PMID: 27164500 DOI: 10.1016/j.ijbiomac.2016.04.092] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Revised: 04/27/2016] [Accepted: 04/27/2016] [Indexed: 02/08/2023]
Abstract
A novel lectin with a molecular mass of 24.3kDa, designated Lunatin, was isolated from edible seeds of Phaseolus lunatus billb. The purification scheme consisted of ammonium sulfate precipitation, affinity chromatography, ion exchange chromatography, and gel filtration chromatography. The lectin is a glycoprotein, as determined by staining with periodic acid-Schiff (PAS), and its N-terminal amino acid sequence was determined to be DAVIYRGPGDLHTGS. Lunatin exhibited hemagglutinating activity towards human blood group A erythrocytes, which was mostly preserved up to 50°C and retained at ambient temperature at pH 2.0-11.0. d-fructose, d-galactose, d-glucose, and mannitol were capable of inhibiting its hemagglutinating activity. Lunatin was found to be a metal-dependent protein, as its activity was inhibited by the metallic compounds K2Cr2O7, SnCl2, and LiCl, though it was unaffected by MgCl2, ZnCl2, BaCl2, CuCl2, FeCl3, or CaCl2. In addition, Lunatin exerted potent antifungal activity toward a variety of fungal species, including Sclerotium rolfsii, Physalospora piricola, Fusarium oxysporum, and Botrytis cinerea. Finally, proliferation of K562 leukemia cells was strongly inhibited by Lunatin, with an IC50 of 13.7μM, whereas HeLa and HepG2 cells were only weakly affected. These findings further the identification and understanding of functional factors in edible plant seeds.
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Affiliation(s)
- Jinhong Wu
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Minhou District, Fuzhou 350108, China; Department of Food Science and Engineering, Shanghai Food Safety and Engineering Center, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Jun Wang
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Minhou District, Fuzhou 350108, China
| | - Shaoyun Wang
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Minhou District, Fuzhou 350108, China.
| | - Pingfan Rao
- College of Biological Science and Engineering, Fuzhou University, No. 2 Xueyuan Road, Minhou District, Fuzhou 350108, China
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Chan YS, Xia L, Ng TB. White kidney bean lectin exerts anti-proliferative and apoptotic effects on cancer cells. Int J Biol Macromol 2016; 85:335-45. [DOI: 10.1016/j.ijbiomac.2015.12.094] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Revised: 12/30/2015] [Accepted: 12/31/2015] [Indexed: 12/31/2022]
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20
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A high throughput method for quantification of cell surface bound and internalized chitosan nanoparticles. Int J Biol Macromol 2015; 81:858-66. [DOI: 10.1016/j.ijbiomac.2015.09.021] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Revised: 08/15/2015] [Accepted: 09/13/2015] [Indexed: 01/09/2023]
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21
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Pan WL, Ng TB. A dimeric Phaseolus coccineus lectin with anti-oxidative, anti-proliferative and cytokine-inducing activities. Int J Biol Macromol 2015; 81:960-6. [PMID: 26410813 DOI: 10.1016/j.ijbiomac.2015.09.034] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2015] [Revised: 09/17/2015] [Accepted: 09/18/2015] [Indexed: 12/27/2022]
Abstract
In the present study, a dimeric glucosamine binding lectin, designated as CHL, was purified from Phaseolus coccineus L. var. albonanus Bailey through three chromatographic steps. The molecular weight of CHL was approximately 66kDa. Its hemagglutinating activity toward rabbit erythrocytes was dependent on carbohydrates, especially glucosamine, and was stable at temperatures between 20 and 70°C, and at pH between 1 and 13. Intriguingly, further characterization showed that CHL served as a potent antioxidant to prevent erythrocytes from haemolysis induced by 2'-azobis (2-amidinopropane) dihydrochloride (AAPH) in a dose-dependent manner. Moreover, it exerted antitumor activity against human nasopharyngeal carcinoma CNE1 cells, hepatoma HepG2 cells, and breast cancer MCF7 cells but was devoid of antifungal activity. In addition, the CHL could bring about a significant dose-dependent increase in the production of mRNAs of pro-inflammatory cytokines including interferon-gamma and interleukin-2. These results suggest the potential therapeutic utility of CHL.
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Affiliation(s)
- Wen Liang Pan
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Tzi Bun Ng
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China.
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Ng TB, Chan YS, Ng CCW, Wong JH. Purification and Characterization of a Lectin from Green Split Peas (Pisum sativum). Appl Biochem Biotechnol 2015; 177:1374-85. [PMID: 26304129 DOI: 10.1007/s12010-015-1821-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Accepted: 08/17/2015] [Indexed: 10/23/2022]
Abstract
Lectins have captured the attention of a large number of researchers on account of their various exploitable activities, including antitumor, immunomodulatory, antifungal, as well as HIV reverse transcriptase inhibitory activities. A mannose/glucose-specific lectin was isolated from green split peas (a variety of Pisum sativum) and characterized. The purification step involved anion-exchange chromatography on a DEAE-cellulose column, cation-exchange chromatography on an SP-Sepharose column, and gel filtration by fast protein liquid chromatography (FPLC) on Superdex 200. The purified lectin had a native molecular mass of around 50 kDa as determined by size exclusion chromatography. It appeared as a heterotetramer, composed of two distinct polypeptide bands with a molecular mass of 6 and 19 kDa, respectively, in sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE). The N-terminal sequence of green split pea lectin shows some degree of homology compared to lectins from other legume species. Its hemagglutinating activity was inhibited by glucose, mannose, and sucrose, and attenuated at pH values higher than 12 or lower than 3. Hemagglutinating activity was preserved at temperatures lower than 80 °C. The lectin did not show antifungal activity toward fungi including Fusarium oxysporum, Botrytis cinerea, and Mycosphaerella arachidicola. Green split pea lectin showed a mitogenic effect toward murine splenocytes and could inhibit the activity of HIV-1 reverse transcriptase.
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Affiliation(s)
- Tzi Bun Ng
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China.
| | - Yau Sang Chan
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
| | - Charlene Cheuk Wing Ng
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
| | - Jack Ho Wong
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
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Chan YS, Yu H, Xia L, Ng TB. Lectin from green speckled lentil seeds (Lens culinaris) triggered apoptosis in nasopharyngeal carcinoma cell lines. Chin Med 2015; 10:25. [PMID: 26357525 PMCID: PMC4563850 DOI: 10.1186/s13020-015-0057-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Accepted: 08/31/2015] [Indexed: 02/05/2023] Open
Abstract
Background The green speckled lentil seed (Lens culinaris) lectin (GSLL) exhibits hemagglutinating activity, and possesses some properties distinct from those of other lentil lectins (e.g., molecular size, biological activities) that deserve further investigation.
This study aims to investigate the basic properties (e.g., molecular size, amino acid sequence, sugar specificity) and biological activities (e.g., antiproliferative activity) of GSLL. Methods GSLL was purified by successive fractionation on SP-Sepharose, Affi-gel blue gel, Mono Q, and Superdex 75. The biochemical properties of GSLL were investigated by SDS-PAGE, mass spectrometry, N-terminal amino acid sequencing, and sugar inhibition tests. For the biological activities, purified lyophilized GSLL was sterilized, adjusted to concentrations from 1 to 0 mg/mL (by twofold serial dilution) in Dulbecco’s modified Eagle’s medium with fetal bovine serum, and examined by using the MTT assay, flow cytometry, and western blotting after treatment of nasopharyngeal carcinoma CNE1 and CNE2 cell lines with the lectin. Results GSLL appeared as a 21-kDa band in non-reducing SDS-PAGE. It was composed of two subunits with molecular sizes of 17 and ~4 kDa. It exhibited specificity in binding to glucose and mannose, as well as glucosides and mannosides. Mass spectrometry and N-terminal amino acid sequencing revealed similarity of GSLL to L. culinaris lectin (LcL), especially higher coverage of the β-chain of LcL. A 48-h treatment with GSLL exerted antiproliferative effects on nasopharyngeal carcinoma CNE1 and CNE2 cell lines with significant inhibition at 0.125 mg/mL (P < 0.001) and 1 mg/mL (P = 0.004), respectively, and these effects were attenuated in the presence of glucose and mannose. GSLL induced apoptosis in nasopharyngeal carcinoma CNE1 cells, with detectable phosphatidylserine externalization, mitochondrial depolarization, and cell cycle arrest. Western blot analysis suggested that GSLL triggered the extrinsic apoptotic pathway involving caspase 3, 8, and 9 in CNE1 cells. Conclusion GSLL possessed some different properties from LcL (e.g., lower pI), and increased caspase 3, 8, and 9 activity in CNE1 cells.
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Affiliation(s)
- Yau Sang Chan
- State Key Laboratory of Respiratory Disease for Allergy at Shenzhen University, School of Medicine, Shenzhen University, Nanhai Ave 3688, 518060 Shenzhen, Guangdong People's Republic of China
| | - Huimin Yu
- State Key Laboratory of Respiratory Disease for Allergy at Shenzhen University, School of Medicine, Shenzhen University, Nanhai Ave 3688, 518060 Shenzhen, Guangdong People's Republic of China
| | - Lixin Xia
- State Key Laboratory of Respiratory Disease for Allergy at Shenzhen University, School of Medicine, Shenzhen University, Nanhai Ave 3688, 518060 Shenzhen, Guangdong People's Republic of China
| | - Tzi Bun Ng
- School of Biomedical Sciences, Lo Kwee Seong Integrated Biomedical Sciences Building, The Chinese University of Hong Kong, Shatin, New Territories Hong Kong, People's Republic of China
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Vasconcelos MAD, Alves AC, Carneiro RF, Dias AHS, Martins FWV, Cajazeiras JB, Nagano CS, Teixeira EH, Nascimento KSD, Cavada BS. Purification and primary structure of a novel mannose-specific lectin from Centrolobium microchaete Mart seeds. Int J Biol Macromol 2015; 81:600-7. [PMID: 26321423 DOI: 10.1016/j.ijbiomac.2015.08.059] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 08/24/2015] [Accepted: 08/25/2015] [Indexed: 10/23/2022]
Abstract
This study aimed to purify and characterize a novel mannose-binding lectin from the seeds of Centrolobium microchaete. Centrolobium microchaete lectin (CML) was purified by affinity chromatography in mannose-Sepharose-4B column. CML agglutinated rabbit erythrocytes and was inhibited by D-mannose, α-methyl-D-mannoside, D-glucose, N-Acetyl-D-glucosamine and sucrose. The lectin was stable at pH 7.0 and 8.0 and temperatures up to 60°C. The monomeric form of CML showed approximately 28kDa, and its native form is probably a homodimer, as determined by gel filtration chromatography. The primary structure of CML was determined by tandem mass spectrometry that showed CML as a protein with two distinct forms (isolectins CML-1 and CML-2) with 246 and 247 residues, respectively. CML-2 possesses one residue of Asn more than CML-1 in C-terminal. The primary structure of CML agrees with the molecular weights found by electrospray ionization mass spectrometry: 27,224 and 27,338Da for CML-1 and CML-2, respectively. CML is a metal-dependent glycoprotein. Moreover, the glycan composition of CML and its structure were predicted.
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Affiliation(s)
- Mayron Alves de Vasconcelos
- Laboratório Integrado de Biomoléculas-LIBS, Departamento de Patologia e Medicina Legal, Universidade Federal do Ceará, Monsenhor Furtado, s/n, 60430-160, Fortaleza, Ceará, Brazil.
| | - Ana Cecília Alves
- Laboratório de Moléculas Biologicamente Ativas - BioMol-Lab, Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Campus do Pici, s/n bloco 907, 60440-970, Fortaleza, Ceará, Brazil
| | - Rômulo Farias Carneiro
- Laboratório de Biotecnologia Marinha-BioMar-Lab, Departamento de Engenharia de Pesca, Universidade Federal do Ceará, Campus do Pici s/n, bloco 871, 60440-970, Fortaleza, Ceará, Brazil
| | - Artur Hermano Sampaio Dias
- Laboratório de Moléculas Biologicamente Ativas - BioMol-Lab, Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Campus do Pici, s/n bloco 907, 60440-970, Fortaleza, Ceará, Brazil
| | - Francisco William Viana Martins
- Laboratório de Moléculas Biologicamente Ativas - BioMol-Lab, Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Campus do Pici, s/n bloco 907, 60440-970, Fortaleza, Ceará, Brazil
| | - João Batista Cajazeiras
- Laboratório de Moléculas Biologicamente Ativas - BioMol-Lab, Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Campus do Pici, s/n bloco 907, 60440-970, Fortaleza, Ceará, Brazil
| | - Celso Shiniti Nagano
- Laboratório de Biotecnologia Marinha-BioMar-Lab, Departamento de Engenharia de Pesca, Universidade Federal do Ceará, Campus do Pici s/n, bloco 871, 60440-970, Fortaleza, Ceará, Brazil
| | - Edson Holanda Teixeira
- Laboratório Integrado de Biomoléculas-LIBS, Departamento de Patologia e Medicina Legal, Universidade Federal do Ceará, Monsenhor Furtado, s/n, 60430-160, Fortaleza, Ceará, Brazil
| | - Kyria Santiago do Nascimento
- Laboratório de Moléculas Biologicamente Ativas - BioMol-Lab, Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Campus do Pici, s/n bloco 907, 60440-970, Fortaleza, Ceará, Brazil
| | - Benildo Sousa Cavada
- Laboratório de Moléculas Biologicamente Ativas - BioMol-Lab, Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, Campus do Pici, s/n bloco 907, 60440-970, Fortaleza, Ceará, Brazil.
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A Glucosamine-Specific Lectin from Green Dragon No. 8 Beans (Phaseolus vulgaris) Induced Apoptosis on Nasopharyngeal Carcinoma Cells. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2015; 2015:760539. [PMID: 26290674 PMCID: PMC4531188 DOI: 10.1155/2015/760539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2015] [Revised: 07/06/2015] [Accepted: 07/07/2015] [Indexed: 11/29/2022]
Abstract
A lectin exhibiting antiproliferative activity on tumor cell lines but devoid of antifungal activity has been purified from Phaseolus vulgaris cv. Green Dragon no. 8 seeds. The lectin was a 60 kDa dimeric protein with two 30 kDa subunits. It was a glucosamine-specific lectin as implied from the inhibitory effect of glucosamine on hemagglutinating activity of the lectin. The steps for isolation of the lectin involved Affi-gel blue gel (affinity gel), Mono Q (anion exchanger), and Superdex 75 column (size exclusion). The lectin was purified 20.8-fold from the crude extract of the beans. The purified lectin showed antiproliferative activity on breast cancer MCF7 cell line and nasopharyngeal cancer HONE1 and CNE2 cell lines, but a low activity on normal skin fibroblast HSF98 cell line. The lectin was shown to induce apoptosis on HONE1 cells, as indicated by increased phosphatidylserine externalization and mitochondrial depolarization. It also blocked HONE1 cell division and kept the cells at the G2/M phase of the cell cycle.
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26
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Suárez-Martínez SE, Ferriz-Martínez RA, Campos-Vega R, Elton-Puente JE, de la Torre Carbot K, García-Gasca T. Bean seeds: leading nutraceutical source for human health. CYTA - JOURNAL OF FOOD 2015. [DOI: 10.1080/19476337.2015.1063548] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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27
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Musa M, Mohd Ali K, Kannan TP, Azlina A, Omar NS, Chatterji A, Mokhtar KI. Effects of Perivitelline Fluid Obtained from Horseshoe Crab on The Proliferation and Genotoxicity of Dental Pulp Stem Cells. CELL JOURNAL 2015. [PMID: 26199904 PMCID: PMC4503839 DOI: 10.22074/cellj.2016.3726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Objective Perivitelline fluid (PVF) of the horseshoe crab embryo has been reported to
possess an important role during embryogenesis by promoting cell proliferation. This
study aims to evaluate the effect of PVF on the proliferation, chromosome aberration (CA)
and mutagenicity of the dental pulp stem cells (DPSCs).
Materials and Methods This is an in vitro experimental study. PVF samples were
collected from horseshoe crabs from beaches in Malaysia and the crude extract was
prepared. DPSCs were treated with different concentrations of PVF crude extract in
an 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assay (cytotoxicity test). We choose two inhibitory concentrations (IC50 and IC25) and two PVF
concentrations which produced more cell viability compared to a negative control
(100%) for further tests. Quantitative analysis of the proliferation activity of PVF was
studied using the AlamarBlue®assay for 10 days. Population doubling times (PDTs)
of the treatment groups were calculated from this assay. Genotoxicity was evaluated
based on the CA and Ames tests. Statistical analysis was carried out using independent t test to calculate significant differences in the PDT and mitotic indices in the CA
test between the treatment and negative control groups. Significant differences in the
data were P<0.05.
Results A total of four PVF concentrations retrieved from the MTT assay were
26.887 mg/ml (IC50), 14.093 mg/ml (IC25), 0.278 mg/ml (102% cell viability) and 0.019
mg/ml (102.5% cell viability). According to the AlamarBlue®assay, these PVF groups
produced comparable proliferation activities compared to the negative (untreated)
control. PDTs between PVF groups and the negative control were insignificantly different (P>0.05). No significant aberrations in chromosomes were observed in the
PVF groups and the Ames test on the PVF showed the absence of significant positive
results.
Conclusion PVF from horseshoe crabs produced insignificant proliferative activity on
treated DPSCs. The PVF was non-genotoxic based on the CA and Ames tests.
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Affiliation(s)
- Marahaini Musa
- School of Dental Sciences, Universiti Sains Malaysia, Kelantan, Malaysia
| | - Khadijah Mohd Ali
- School of Dental Sciences, Universiti Sains Malaysia, Kelantan, Malaysia
| | - Thirumulu Ponnuraj Kannan
- School of Dental Sciences, Universiti Sains Malaysia, Kelantan, Malaysia ; Human Genome Centre, School of Medical Sciences, Universiti Sains Malaysia, Kelantan, Malaysia
| | - Ahmad Azlina
- School of Dental Sciences, Universiti Sains Malaysia, Kelantan, Malaysia
| | - Nor Shamsuria Omar
- School of Dental Sciences, Universiti Sains Malaysia, Kelantan, Malaysia ; Institute of Tropical Aquaculture (AQUATROP), University Malaysia Terengganu, Terengganu, Malaysia
| | - Anil Chatterji
- National Institute of Oceanography (NIO), Dona Paula, India
| | - Khairani Idah Mokhtar
- Kulliyah of Dentistry, International Islamic University of Malaysia, Jalan Sultan Ahmad Shah, Pahang, Malaysia
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Dan X, Wong JH, Fang EF, Chan FCW, Ng TB. Purification and Characterization of a Novel Hemagglutinin with Inhibitory Activity toward Osteocarcinoma Cells from Northeast China Black Beans. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:3903-3914. [PMID: 25816710 DOI: 10.1021/acs.jafc.5b00106] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
In the present study, we isolated a novel hemagglutinin from an edible legume and explored its growth-inhibitory effect on osteocarcinoma and liver cancer cells. The protein was purified by liquid chromatography techniques which entailed affinity chromatography on Affi-gel blue gel, ion-exchange chromatography on Mono Q, and gel filtration on Superdex 75 with an FPLC system. The hemagglutinating activity of this hemagglutinin was demonstrated to be ion dependent and stable over a wide range of temperature and pH values. Antiproliferative activity was observed in the tumor cell lines MG-63 and HepG2 but not in the normal cell line WRL 68. Osteocarcinoma cells treated with the hemagglutinin underwent obvious cell shrinkage, chromatin condensation, mitochondrial membrane depolarization, and apoptosis. The mRNA expression level of interleukin-2 (IL-2), interleukin-6 (IL-6), interleukin-1 beta (IL-1β), interferon-gamma (IFN-γ), and tumor necrosis factor alpha (TNF-α) were found to be up-regulated to different extents after treatment of this hemagglutinin.
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Affiliation(s)
- Xiuli Dan
- †School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Jack Ho Wong
- †School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Evandro Fei Fang
- ‡National Institute on Aging, National Institutes of Health, 251 Bayview Boulevard, Baltimore, Maryland 21224, United States
| | - Francis Chun Wai Chan
- §School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Tzi Bun Ng
- †School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
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Bauhinia variegata var. variegata Lectin: Isolation, Characterization, and Comparison. Appl Biochem Biotechnol 2014; 175:75-84. [DOI: 10.1007/s12010-014-1261-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Accepted: 09/15/2014] [Indexed: 12/17/2022]
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30
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Li Y, Li T, Li J, Liu D, Yang J, Yang J, Zhang F, Sun S. Molecular cloning, expression, and characterization of a Sophora alopecuroides lectin from Escherichia coli. Acta Biochim Biophys Sin (Shanghai) 2014; 46:749-56. [PMID: 25033829 DOI: 10.1093/abbs/gmu060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Sophora alopecuroides lectin (SAL) has been isolated from the seeds and confirmed to have antifungal and antitumor activities, and presently the preparation of the natural lectin was cumbersome, time-consuming, and the yield was relatively low for further analysis. In this study, the signal peptide of lectin, the modification sites, and the secondary structure were analyzed, and the three-dimensional structures of SAL were modeled. The gene of SAL was amplified by the reverse transcription polymerase chain reaction, and cloned into the pET-30a vector and expressed in Escherichia coli BL21(DE3) by the induction of isopropyl-beta-d-thiogalactopyranoside. Totally, 400 mg of recombinant SAL (rSAL) was purified from 1 l of bacterial culture through Ni-NTA agarose column and the purity reached 95%. The recombinant protein was further confirmed by western blot using rSAL-specific antibody. The biological activity analysis results showed that rSAL exclusively bound to d-galactose and had universal hemagglutinating activities to human A, B, O, and AB, and rabbit and mouse erythrocytes. rSAL also inhibited the growth of fungi, the proliferation of cancer cells, and the HIV-I reverse transcriptase activity. In conclusion, this study indicates that rSAL can be produced in large quantities in the prokaryotic expression system and the recombinant protein still retains the various biological activities, which will make the large-scale production of SAL recombinant protein at dramatically reduced cost possible.
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Affiliation(s)
- Yang Li
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumuqi 830046, China
| | - Tingting Li
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumuqi 830046, China
| | - Jinyao Li
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumuqi 830046, China
| | - Dongliang Liu
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumuqi 830046, China
| | - Jie Yang
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumuqi 830046, China
| | - Jianhua Yang
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumuqi 830046, China Texas Children's Cancer Center, Department of Pediatrics, Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, TX 77030, USA
| | - Fuchun Zhang
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumuqi 830046, China
| | - Surong Sun
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumuqi 830046, China
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Silva FDO, Santos PDN, Figueirôa EDO, de Melo CML, de Andrade Lemoine Neves JK, Arruda FVS, Cajazeiras JB, do Nascimento KS, Teixeira EH, Cavada BS, Porto ALF, Pereira VRA. Antiproliferative effect of Canavalia brasiliensis lectin on B16F10 cells. Res Vet Sci 2014; 96:276-82. [DOI: 10.1016/j.rvsc.2014.01.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2013] [Revised: 12/13/2013] [Accepted: 01/26/2014] [Indexed: 12/27/2022]
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Rafiq S, Majeed R, Qazi AK, Ganai BA, Wani I, Rakhshanda S, Qurishi Y, Sharma PR, Hamid A, Masood A, Hamid R. Isolation and antiproliferative activity of Lotus corniculatus lectin towards human tumour cell lines. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2013; 21:30-38. [PMID: 24055517 DOI: 10.1016/j.phymed.2013.08.005] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2013] [Revised: 07/02/2013] [Accepted: 08/04/2013] [Indexed: 06/02/2023]
Abstract
The objective of the study was to investigate the anti cancer activity of a lectin isolated from Lotus corniculatus seeds. A tetrameric 70kDa galactose specific lectin was purified using two step simple purification protocol which involved affinity chromatography on AF-BlueHC650M and gel filtration on Sephadex G-100. The lectin was adsorbed on AF-BlueHC650M and desorbed using 1M NaCl in the starting buffer. Gel filtration on Sephadex G-100 yielded a major peak absorbance that gave two bands of 15kDa and 20kDa in SDS PAGE. Hemagglutination activity was completely preserved, when the temperature was in the range of 20-60°C. However, drastic reduction in activity occurred at temperatures above 60°C. Full hemagglutination activity was retained at ambient pH 4-12. Thereafter no activity was observed above pH 13. Hemaglutination of the lectin was inhibited by d-galactose. The lectin showed a strong antiproliferative activity towards human leukemic (THP-1) cancer cells followed by lung cancer (HOP62) cells and HCT116 with an IC50 of 39μg/ml and 50μg/ml and 60μg/ml respectively. Flow cytometry analysis showed an increase in the percentage of cells in sub G0G1 phase confirming that Lotus corniculatus lectin induced apoptosis. Morphological observations showed that Lotus corniculatus lectin (LCL) treated THP-1 cells displayed apparent apoptosis characteristics such as nuclear fragmentation, appearance of membrane enclosed apoptotic bodies and DNA fragmentation. Lotus corniculatus lectin (LCL) effectively inhibits the cell migration in a dose dependent manner as indicated by the wound healing assay.
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Affiliation(s)
- Shaista Rafiq
- Department of Biochemistry, University of Kashmir, Hazratbal, Srinagar 190006, India
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Yang Q, Zhang Z, Mei W, Sun F. A novel ruthenium(II)-polypyridyl complex inhibits cell proliferation and induces cell apoptosis by impairing DNA damage repair. J Chemother 2013; 26:235-42. [PMID: 24070188 DOI: 10.1179/1973947813y.0000000138] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Ruthenium complexes are widely recognized as one of the most promising DNA damaging chemotherapeutic drugs. The main goal of this study was to explore the anticancer activity and underlying mechanisms of [Ru(phen)(2)(p-BrPIP)](ClO(4))(2), a novel chemically synthesized ruthenium (Ru) complex. To this end, we employed MTT assays to determine the anticancer activity of the complex, and performed single-cell gel electrophoresis (SCGE) and Western blotting to evaluate DNA damage. Our results showed that the Ru(II)-poly complex caused severe DNA damage, possibly by downregulating key factors involved in DNA repair pathways, such as proliferating cell nuclear antigen (PCNA) and ring finger protein 8 (RNF8). In addition, this complex induced cell apoptosis by upregulating both p21 and p53. Taken together, our findings demonstrate that the Ru(II)-poly complex exhibits antitumour activity by inducing cell apoptosis, which results from the accumulation of large amounts of unrepaired DNA damage.
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Pujari R, Eligar SM, Kumar N, Barkeer S, Reddy V, Swamy BM, Inamdar SR, Shastry P. Rhizoctonia bataticola lectin (RBL) induces caspase-8-mediated apoptosis in human T-cell leukemia cell lines but not in normal CD3 and CD34 positive cells. PLoS One 2013; 8:e79311. [PMID: 24244478 PMCID: PMC3828372 DOI: 10.1371/journal.pone.0079311] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2013] [Accepted: 09/20/2013] [Indexed: 01/06/2023] Open
Abstract
We have previously demonstrated immunostimulatory activity of a fungal lectin, Rhizoctonia bataticola lectin (RBL), towards normal human peripheral blood mononuclear cells. The present study aimed to explore the anticancer activities of RBL using human leukemic T-cell lines, Molt-4, Jurkat and HuT-78. RBL exhibited significant binding (>90%) to the cell membrane that was effectively inhibited by complex glycoproteins such as mucin (97% inhibition) and asialofetuin (94% inhibition) but not simple sugars such as N-acetyl-D-galactosamine, glucose and sucrose. RBL induced a dose and time dependent inhibition of proliferation and induced cytotoxicity in the cell lines. The percentage of apoptotic cells, as determined by hypodiploidy, was 33% and 42% in Molt-4 and Jurkat cells, respectively, compared to 3.11% and 2.92% in controls. This effect was associated with a concomitant decrease in the G0/G1 population. Though initiator caspase-8 and -9 were activated upon exposure to RBL, inhibition of caspase-8 but not caspase-9 rescued cells from RBL-induced apoptosis. Mechanistic studies revealed that RBL induced cleavage of Bid, loss of mitochondrial membrane potential and activation of caspase-3. The expression of the anti-apoptotic proteins Bcl-2 and Bcl-X was down regulated without altering the expression of pro-apoptotic proteins- Bad and Bax. In contrast to leukemic cells, RBL did not induce apoptosis in normal PBMC, isolated CD3+ve cells and undifferentiated CD34+ve hematopoietic stem and progenitor cells (HSPCs). The findings highlight the differential effects of RBL on transformed and normal hematopoietic cells and suggest that RBL may be explored for therapeutic applications in leukemia.
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Affiliation(s)
- Radha Pujari
- National Centre for Cell Science, Pune University Campus, Pune, Maharashtra, India
| | - Sachin M. Eligar
- Department of Biochemistry, Karnatak University, Dharwad, Karnataka, India
| | - Natesh Kumar
- National Centre for Cell Science, Pune University Campus, Pune, Maharashtra, India
| | - Srikanth Barkeer
- Department of Biochemistry, Karnatak University, Dharwad, Karnataka, India
| | - Vishwanath Reddy
- Department of Biochemistry, Karnatak University, Dharwad, Karnataka, India
| | - Bale M. Swamy
- Department of Biochemistry, Karnatak University, Dharwad, Karnataka, India
| | | | - Padma Shastry
- National Centre for Cell Science, Pune University Campus, Pune, Maharashtra, India
- * E-mail:
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Zeng H, Sun M, Zhou C, Yin F, Wang Z, Hua Y, Cai Z. Hematoporphyrin monomethyl ether-mediated photodynamic therapy selectively kills sarcomas by inducing apoptosis. PLoS One 2013; 8:e77727. [PMID: 24204937 PMCID: PMC3813767 DOI: 10.1371/journal.pone.0077727] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2013] [Accepted: 09/04/2013] [Indexed: 01/29/2023] Open
Abstract
We investigated the antitumor effect and mechanism of hematoporphyrin monomethyl ether-mediated photodynamic therapy (HMME-PDT) in sarcomas. Intracellular uptake of HMME by osteosarcoma cells (LM8 and K7) was time- and dose-dependent, while this was not observed for myoblast cells (C2C12) and fibroblast cells (NIH/3T3). HMME-PDT markedly inhibited the proliferation of sarcoma cell lines (LM8, MG63, Saos-2, SW1353, TC71, and RD) (P<0.05), and the killing effect was improved with increased HMME concentration and energy intensity. Flow cytometry analysis revealed that LM8, MG63, and Saos-2 cells underwent apoptosis after treatment with HMME-PDT. Additionally, apoptosis was induced after HMME-PDT in a three-dimensional culture of osteosarcoma cells. Hoechst 33342 staining confirmed apoptosis. Cell death caused by PDT was rescued by an irreversible inhibitor (Z-VAD-FMK) of caspase. However, cell viability was not markedly decreased compared with the HMME-PDT group. Expression levels of caspase-1, caspase-3, caspase-6, caspase-9, and poly (ADP-ribose) polymerase (PARP) proteins were markedly up-regulated in the treatment groups and increased with HMME concentration as determined by western blot analysis. In vivo, tumor volume markedly decreased at 7–16 days post-PDT. Hematoxylin and eosin staining revealed widespread necrotic and infiltrative inflammatory cells in the HMME-PDT group. Immunohistochemistry analysis also showed that caspase-1, caspase-3, caspase-6, caspase-9, and PARP proteins were significantly increased in the HMME-PDT group. These results indicate that HMME-PDT has a potent killing effect on osteosarcoma cells in vitro and significantly inhibits tumor growth in vivo, which is associated with the caspase-dependent pathway.
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Affiliation(s)
- Hui Zeng
- Department of Orthopedics, Shanghai First People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Mengxiong Sun
- Department of Orthopedics, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Chenghao Zhou
- Department of Orthopedics, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Fei Yin
- Department of Orthopedics, Shanghai First People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhuoying Wang
- Department of Orthopedics, Shanghai First People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yingqi Hua
- Department of Orthopedics, Shanghai First People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Orthopedics, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
- The Advanced Institute of Translational Medicine, Tongji University, Shanghai, China
- * E-mail: (YH); (ZC)
| | - Zhengdong Cai
- Department of Orthopedics, Shanghai First People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Orthopedics, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
- * E-mail: (YH); (ZC)
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Monte LG, Santi-Gadelha T, Reis LB, Braganhol E, Prietsch RF, Dellagostin OA, e Lacerda RR, Gadelha CAA, Conceição FR, Pinto LS. Lectin of Abelmoschus esculentus (okra) promotes selective antitumor effects in human breast cancer cells. Biotechnol Lett 2013; 36:461-9. [DOI: 10.1007/s10529-013-1382-4] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2013] [Accepted: 10/03/2013] [Indexed: 01/30/2023]
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Ang ASW, Cheung RCF, Dan X, Chan YS, Pan W, Ng TB. Purification and characterization of a glucosamine-binding antifungal lectin from Phaseolus vulgaris cv. Chinese pinto beans with antiproliferative activity towards nasopharyngeal carcinoma cells. Appl Biochem Biotechnol 2013; 172:672-86. [PMID: 24114321 DOI: 10.1007/s12010-013-0542-2] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2013] [Accepted: 09/15/2013] [Indexed: 11/28/2022]
Abstract
A lectin has successfully been isolated from Phaseolus vulgaris cv. Chinese pinto bean using affinity chromatography, ion exchange chromatography, and gel filtration in succession, with a 15.4-fold purification. Investigation of its characteristics revealed that Chinese pinto bean lectin (CPBL) was a 58-kDa dimeric glucosamine-binding protein. Its Mg(2+)-dependent hemagglutinating activity was stable at pH 7-8 and at or below 60 °C. When the purified lectin was tested against six fungal species including Phyllosticta citriasiana, Magnaporthe grisea, Bipolans maydis, Valsa mali, Mycosphaerella arachidicola, and Setosphaeria turcica, only the mycelial growth of V. mali was reduced by 30.6 % by the lectin at 30 μM. The lectin did not exert any discernible antiproliferative effects on breast cancer MCF-7 cells, but was able to suppress proliferation of nasopharyngeal carcinoma HONE-1 cells, with an IC50 of 17.3 μM, as revealed by the MTT assay. Since few plant lectins demonstrate antifungal activity against V. mali, and not many others have inhibitory effects on HONE-1 cells, CPBL is a distinctive lectin which may be exploited for development into an agent against V. mali and HONE-1 cells.
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Affiliation(s)
- Andrew Si Wo Ang
- Faculty of Science, School of Life Sciences, The Chinese University of Hong Kong, Hong Kong, China
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López A, El-Naggar T, Dueñas M, Ortega T, Estrella I, Hernández T, Gómez-Serranillos MP, Palomino OM, Carretero ME. Effect of cooking and germination on phenolic composition and biological properties of dark beans (Phaseolus vulgaris L.). Food Chem 2013; 138:547-55. [DOI: 10.1016/j.foodchem.2012.10.107] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2012] [Revised: 10/04/2012] [Accepted: 10/15/2012] [Indexed: 10/27/2022]
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A Calcium Ion-Dependent Dimeric Bean Lectin with Antiproliferative Activity Toward Human Breast Cancer MCF-7 Cells. Protein J 2013; 32:208-15. [DOI: 10.1007/s10930-013-9477-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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40
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Brown Kidney Bean Bowman–Birk Trypsin Inhibitor is Heat and pH Stable and Exhibits Anti-proliferative Activity. Appl Biochem Biotechnol 2013; 169:1306-14. [DOI: 10.1007/s12010-012-9998-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2012] [Accepted: 11/08/2012] [Indexed: 10/27/2022]
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Singh RS, Walia AK. Microbial lectins and their prospective mitogenic potential. Crit Rev Microbiol 2012; 40:329-47. [DOI: 10.3109/1040841x.2012.733680] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Purified mulberry leaf lectin (MLL) induces apoptosis and cell cycle arrest in human breast cancer and colon cancer cells. Chem Biol Interact 2012; 200:38-44. [DOI: 10.1016/j.cbi.2012.08.025] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2012] [Revised: 08/24/2012] [Accepted: 08/24/2012] [Indexed: 11/19/2022]
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