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12 protocols using deae cellulose 52

1

Extraction and Characterization of O. fimbriata Polysaccharides

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Fresh O. fimbriata plants were collected from Yantai, Shandong Province, China. DMEM, fetal bovine serum (FBS), and PBS were obtained from Hyclone (Gibco, NY, USA). Sephadex G-75, lipopolysaccharide (LPS), Griess reagent, and different molecular weight dextrans (5, 11.6, 23.8, 48.6, 80.9, 148, 273, 409.8, and 667.8 kDa) were purchased from Sigma-Aldrich (St. Louis, MO, USA). DEAE-cellulose 52, dialysis bags, and monosaccharide standards (Fuc, GalN, Rha, Ara, GlcN, Gal, Glc, GlcNAc, Xyl, Man, Fru, Rib, GalA, GulA, GlcA, and ManA) were obtained from the Shanghai Yuanye Bio-Technology Co (China). Enzyme-linked immunosorbent assay (ELISA) kits for IL-1β and IL-6 were obtained from Meimian Biological Technology Co., Ltd. (Yancheng, Jiangsu, China). Other chemical reagents were of analytical grade and purchased from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China).
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2

Fatty Acid Methyl Ester Analysis in Macrophages

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Standard mixtures of fatty acid methyl ester were purchased from Nu-Chek Prep (Inc., Elysian, MN, USA). All sugars (fructose, rhamnose, arabinose, xylose, mannose, glucose and galactose) were purchased from Aladdin Industrial Corporation (Shanghai, China). Murine RAW264.7 macrophage cells were obtained from Jinan University (Guangzhou, China). Lipopolysaccharides (LPS) and 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide (MTT) were purchased from Sigma Co. (Mo, U.S.A.). Dulbecco Modified Eagle Medium (DMEM), fetal bovine serum (FBS), and penicillin–streptomycin were purchased from Gibco Life Technologies (Grand Island, NY.). Nitric oxide (NO) kit was purchased from Beyotime Biotechnology Co. Ltd. Mouse TNF-α, and IL-6 ELISA kits were purchased from NeoBioscience Biotechnology Co. Ltd. DEAE-Cellulose 52 and Sephadex G-200 were purchased from Shanghai Yuanye Bio-Technology Co. Ltd. The other chemicals used in this research were of analytical grade.
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3

Protein Purification via DEAE-Cellulose and Sephadex

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DEAE-cellulose-52 (Shanghai Yuanye Biotechnology Co., Ltd, China); SephadexTM G-100 (GE Healthcare, Swedish); Prestained Protein Ladder (Thermo Fisher Scientific (China) Co., Ltd., China); DW-S6L388A vertical ultra-low temperature storage box (Qingdao Haier Special Electric Co., Ltd, China); Heraeus Multifuge X1R cryogenic centrifuge (Thermo Fisher, American); 10kD ultrafiltration centrifuge tube (Millipore, American).
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4

Extraction and Characterization of Polysaccharides from Edible Seaweed

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The E. prolifera were collected from the culture nets in coastal regions in Qingdao City, China. The plant was identified by Prof. Songdong Shen, School of Biology and Basic Medical, Soochow University. The DEAE-cellulose 52, Sephadex G-100, and monosaccharide standards of fucose (Fuc), rhamnose (Rha), arabinose (Ara), galactose (Gal), glucose (Glc), xylose (Xyl), mannose (Man), galacturonic acid (GalA), and glucuronic acid (GlcA) were obtained from YuanYe Bio-Technology Co. (Shanghai, China). All cancer cell lines were purchased from China Life Science College (Shanghai, China). All other chemicals used were of analytical grade and were used as received without any further purification.
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5

Yam Flour Production and Characterization

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Fresh yam was produced in Huang-gang City (Hubei, China). The yam tuber was washed, peeled and sliced to 3 mm. After yam slices were dried using an RST-100RB heat pump dehumidification dryer (Shanghai Shiteng Electrical Co., Shanghai, China) at 55 °C for 10 h, it was ground and sieved through 100 meshes. Yam flour was stored in sealed packages in desiccators for the following experiments.
M17 broth was purchased from Hopebio Bio-Technology Co., Ltd. (Shandong, China); standards of dextrans, fucose, rhamnose, arabinose, galactose, glucose, etc., were all purchased from Sigma Chemical Co. (St. Louis, MO, USA). DEAE-cellulose 52 was purchased from Shanghai Yuanye Bio-technology Co., Ltd. (Shanghai, China). Choline chloride, urea, ethanol and other analytical reagents were from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China).
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6

Elderberry Polysaccharide Extraction and Characterization

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Elderberry fruits were harvested from the Qingzhou Elderberry-nursery base in Shandong Province, China, in August 2019, and the dark purple kernels growing in clusters were obtained (Shandong, China). DEAE cellulose 52 and Sephadex G-100 were provided by the Shanghai Yuanye Biotechnology Co (Shanghai, China). The monosaccharide standard methylation kit was provided by the Borealis Biotechnology Co., Ltd (Jiangsu, China). NaCl and trifluoroacetic acid (TFA) was provided by ACROS (Belgium). ROS fluorescent staining reagent CM-H2DCFDA was provided by the Beijing Biolab Biotechnology Co. Glutathione (GSH) was provided by Wuhan Rongcan Biotechnology Co., Ltd (Wuhan, China).
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7

Isolation and Characterization of Dendrobium officinale

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Dendrobium officinale leaves were collected from Yueqing county (Wenzhou, China) in July of 2020. Metformin (BR, 97%) was obtained from Sangon Biotech Co., Ltd (Shanghai, China). DEAE Cellulose-52 was purchased from Yuanye Bio-Technology Co., Ltd (Shanghai, China) and Sephadex G-200 was purchased from Aladdin Bio-Chem Technology Co., Ltd (Shanghai, China). Dextran standards (5000, 11600, 23800, 48600, 80900, 148000, 273000, 409800, 667800 Da), STZ (≥75% α-anomer basis), glucose (AR, 99%), and insulin (BR, 27U/mg) were all purchased from Sigma-Aldrich (Missouri, USA). Antibodies against GRP43, insulin and glucagon as well as their isotype control antibodies were purchased from Proteintech (Chicago, USA). GRP41 and GAPDH antibodies was purchased from Abcam (Cambridge, USA). Acetic acid, propionic acid, butyric acid, isobutyric acid, valeric acid, and isovaleric acid (≥99.5) were purchased from Thermo Fisher Scientific (Waltham, USA).
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8

Extraction and Characterization of Astragalus Polysaccharides

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Water extract of Radix Astragali was provided by Zhejiang Xinguang Pharmaceutical Co., Ltd. (Shengzhou, China). DEAE cellulose-52 and Sephadex G-75 were purchased from Shanghai Yuanye Bio-Technology Co., Ltd. (Shanghai, China). Dextrans with different molecular weights were purchased from Waters Technologies (Milford, MA, USA). 1-Phenyl-3-methyl-5-pyrazolone (PMP), trifluoroacetic acid (TFA), and 2,2-diphenyl-1-picrylhydrazyl (DPPH) were obtained from Shanghai Macklin Biochemistry Corporation (Shanghai, China). Standard monosaccharides (mannose, ribose, rhamnose, glucuronic acid, galacturonic acid, glucose, galactose, xylose, arabinose, and fucose) and ascorbic acid were purchased from Aladdin Reagents Co., Ltd. (Shanghai, China). The H9c2 cardiomyocytes were purchased from Cell Bank of Chinese Academy of Sciences and fetal bovine serum (FBS) was purchased from Hangzhou Sijiqing Co., Ltd. (Hangzhou, China). Cell Counting Kit-8 (CCK-8) and DMEM medium were purchased from Beijing Solarbio Sciences & Technology Co., Ltd. (Beijing, China). The Langendorff’s apparatus (LGF-2) was purchased from Shanghai Wolong Technology Co., Ltd. (Shanghai, China). Assay kits for LDH, CK, and AST were obtained from Nanjing Jiancheng Bioengineering Institute. All other reagents used in this study were of analytical grade.
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9

Isolation and Immunomodulatory Activities of D. officinale Polysaccharides

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D. officinale was collected from the Zhejiang Province in China. The botanical origin of plants was identified by Pro. Gang Wei. The murine macrophage cell line RAW 264.7 was obtained from the cell bank of the Chinese Academy of Science (Shanghai, China). DEAE cellulose-52 was purchased from Yuanye Biological Technology Co. (Shanghai, China), and Sephacryl S-300 was purchased from GE HealthCare Biosciences AB (Uppsala, Sweden). 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT), lipopolysaccharide (LPS, from Escherichia coli serotype O111:B4), and concanavalin A (ConA, Type IV) were purchased from Sigma-Aldrich (St. Louis, MO, USA). The nitric oxide (NO) assay kit and the Hoechst staining kit were purchased from Beyotime Biotechnology (Jiangsu, China). All other reagents were of analytical grade.
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10

Therapeutic Potential of Cordyceps cicadae

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Cordyceps cicadae spore powder, bacterium substance, and pure powder were all purchased from Anhui Cordyceps Biotechnology Co., Ltd. (Anhui, CHN), and were obtained using the new Paecilomyces cicadae strain APC-20 and patented artificial culture and fermentation technology. DEAE-Cellulose-52 was purchased from Shanghai Yuanye Biotechnology Co., Ltd. (Shanghai, CHN). Monosaccharide standard and a series of glucans of different molecular weights (180, 2700, 5250, 9750, 13,050, 36,800, 64,650, 135,350, 300,600, and 200,000 Da) were procured from Borui sugar biotechnology.
HepG2 cells were purchased from ATCC and cultured in DMEM medium containing 10% FBS and 1% penicillin (American GIBCO).
Citric acid buffer was purchased from Sinopharm Co., Ltd. (Shanghai, China)., and streptozotocin was purchased from Aladdin Reagent Company (Shanghai, China). The Rabbit IRS-1 Kit, rabbit AKT, rabbit GLUT4, and rabbit PI3K were obtained from mmbio Co., Ltd. (Shanghai, China). The analytical reagents used in the experiments were procured from Shanghai Co., Ltd. (Shanghai, China).
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