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8 protocols using dmem cell culture

1

Oxidative Stress Measurement Protocol

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Haloperidol, carvacrol, phytohaemagglutinin (PHA), cytochalasin B, thiobarbituric acid, Tris-HCl, Tris ammonium, MgCl2, Disodium hydrogen phosphate, TCA, sucrose, EDTA, sodium acetate, Triton X-100, and Giemsa stain were from Sigma; DMEM cell culture and phosphate buffered saline (PBS) were from Gibco. Phosphoric acid, methanol, acetic acid glacial, potassium chloride, n-Butanol, sodium chloride, DTNB, Na2EDTA, sodium hydroxide, sodium lauroyl sarcosinate, DMSO, and normal melting point agarose were from Merck. The low melting point (LMP) agarose was from Cleaver Scientific.
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2

Cytotoxicity and Oxidative Stress Evaluation

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BSA (fraction V, minimum 98%) was purchased from Sigma (Steinheim, Germany). DMEM cell culture and fetal bovine serum (FBS) were purchased from Gibco (United States). 3-(4,5-dimethyl-thiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT), 2′,7′-dichlorofluorescein diacetate (DCFH-DA), penicillin, and streptomycin were all obtained from Sigma (United Kingdom), and dimethyl sulfoxide (DMSO) was purchased from Merck (Germany). 7-AAD, Annexin-V dyes, and annexin-V binding buffer were all obtained from BD Biosciences (San Jose, CA). All organic solvents used for TEM were received from VWR, Norway. 4,6-Diamidino-2-phenylindole (DAPI) was purchased from Invitrogen Life Technologies (Eugene, OR, USA). SNPs were synthesized according to the procedure reported by Eskandari et al.62 .
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3

Fractalkine-Induced Vascular Smooth Muscle Cell Activation

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HPASMCs were purchased from ScienCell Research Laboratories, Inc. (USA). DMEM cell culture and fetal bovine serum (FBS) were purchased from Gibco. TRQ (Cat. 1909120) was obtained from Shanghai Kaibao Pharmaceutical Co., Ltd (Shanghai, China). Recombinant Human Fractalkine/CX3CL1 (CX3CL1) and calcium fluorescent probe Fluo-3 AM and N-Acetyl-L-cysteine(cysteine) were purchased from Solarbio (Beijing, China). Reactive oxygen species detection kit and BCA protein concentration assay kit were supplied by Beyotime Co., Ltd. (Shanghai, China). Hydroxyl Free Radical Detection Kit was purchased from Nanjing Jiancheng Bioengineering Institute (Nanjing, China). SKF96365 was purchased from Selleck (Shanghai, China). Antibodies of TRPC1 and CX3CR1 were purchased from Santa Cruz. Antibodies of HIF-1α, NF-κBp65, and p-NF-κBp65 were purchased from Affinity. Desmin and SMMHC antibodies were purchased from ProteinTech Group, Inc. Human nuclear factor kB subunit p65 (NF-κBp65) ELISA kit was supplied by Jianglai bio. Co. Ltd. Fluor 488-phalloidin reagent was purchased from Abcam (ab176753).
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4

Liver cell line culture protocol

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As the objective of our study, the normal liver cell lines (MIHA) and the HCC cell lines (MHCC-LM3, PRF-5, Huh-7, MHCC-97H, and Hep-G2) are originated from the cell bank of the Chinese Academy of Sciences (Shanghai, China). Furthermore, they were maintained in a DMEM cell culture (Gibco, New York, United States) supplemented with 10% FBS (Gemini, West Sacramento, United States) in the incubator at 37°C with 5% CO2.
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5

Maintenance of Pancreatic Cancer Cell Lines

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The human pancreatic cancer cell lines, CFPAC-1 (RRID: CVCL_1119) and BxPC-3 (RRID: CVCL_0186), were obtained from Procell Life Science & Technology, Wuhan, China. CFPAC-1 and BxPC-3 were maintained in RPMI-1640 and Dulbecco's Modified Eagle Medium (DMEM) cell culture media (Gibco, Waltham, MA, USA), respectively. Both culture media were supplemented with 10% (v/v) fetal bovine serum (PAN, Adenbach, Bavaria, Germany), 50 units/ml Penicillin-Streptomycin (Gibco, USA). Cells were grown at 37°C in a humidified air and 5% CO2 atmosphere. Both cell lines were characterized by Genetic Testing Biotechnology Corporation (Suzhou, China) using short tandem repeat markers within the last 3 years. All experiments were performed with mycoplasma-free cells.
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6

Lentiviral Transduction of MSCs

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Human embryonic kidney 293T cells were cultured in 100mm plate for 24 hours before transfection. Three auxiliary plasmids (Rev, 2.5 μg; VSVG, 3 μg; pMD, 5 μg) were added when cell density reached to 60%-70%. 12 μg lentivirus vector was used for transfection. After plasmid and 293T cells incubated for 16 hours, the transfection effect was observed by fluorescence microscope (Nikon E400, Nikon Instruments, Inc., Tokyo, Japan). Virus was harvested by 0.45 μm filter after transfection for 24 hours. Filtered virus was concentrated in the PEG 6000 (GIBCO, Carlsbad, CA, USA) with final concentration of 8%-10% in 4℃ overnight, then centrifuged in 4℃ at 1500g for 45 minutes. The supernatant was discard, while the sediment cells were re-suspended with DMEM cell culture (GIBCO, Carlsbad, CA, USA), and then sterilized by 0.22 μm filter. The concentrated virus was added into MSCs with 1μl polybrene. Cell medium was changed within 8 to 12 hours after infection. The CPE was observed under fluorescence microscopy 48 hours after infection.
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7

Evaluating Apoptosis Pathways in Cells

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3-(4 (link),5 (link)-Dimethyl-2-thiazolyl)-2,5-diphenyl-2H- tetrazolium bromide (MTT), dimethyl sulfoxide (DMSO), anti-Cox IV, anti-Bcl-2, anti-Bax, anti-cleaved caspase 3, anti-cleaved caspase 9, anti-cleaved caspase 8, PARP, anti-phospho-Akt (Ser473), anti-Akt antibodies and anti-cytochrome c were purchased from Cell Signaling Technology (Beverly, MA, USA). Anti-phospho-PI3K p85α (Tyr467), and anti-PI3K p85α antibodies were obtained from Santa Cruz Biotechnology (Santa Cruz, CA, USA). GAPDH was purchased from Bioworld Biotechnology. DAPI was obtained from Invitrogen (Grand Island, NY, USA). DMEM cell cultures and fetal bovine serum (FBS) were purchased from Gibco (Gaithersburg, MD, USA). Taraxerol was obtained from Sigma (St. Louis, MO, USA).
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8

Calycopterin Anticancer Mechanisms in Vitro

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Calycopterin, 5,4′-dihydroxy-3,6,7,8-tetramethoxyflavone was purified from D. kotschyi Boiss and the chemical structure was confirmed in our laboratory as reported previously [20 (link)]. MTT (3-[4,5-dimethyl-2-thiazolyl]-2,5-diphenyl-2H-tetrazolium bromide), dimethylsulfoximine (DMSO), and propidium iodide (PI) were purchased from Sigma (St. Louis, MO, USA). Anti-cell division cycle 25 homolog C (cdc25c), anticyclin B1, anti-Bcl-, anti-Bax, anti-pro-caspase 3, anti-pro-caspase 9, anti-poly ADP-ribose polymerase (PARP), anti-extracellular signal-regulated kinase 1/2 (ERK1/2), anti-c-Jun N-terminal kinase (JNK), anti-p38 MAPK, anti-Akt, anti-phospho-ERK1/2 (Thr202/Tyr204), anti-phospho-JNK (Thr183/Tyr185), anti-phospho-p38 MAPK (Thr180/Try182), anti-phospho-Akt (Ser473), and anti-phospho-phosphatidylinositol-3-kinase (PI3K) (Tyr458/Tyr199) antibodies were purchased from Cell Signaling Technology (Beverly, MA, USA). Benzyloxycarbonyl–Val–Ala–Asp–fluoromethyl ketone (z-VAD-fmk), LY294002, U0126, SP600125, and SB203580 were purchased from Promega (Madison, WI, USA). DMEM cell cultures, fetal bovine serum (FBS) were purchased from Gibco (Gaithersburg, MD, USA). All other reagents were commercial products of the highest available purity grade.
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