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Waymouth mb 752 1 medium

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Waymouth MB 752/1 medium is a cell culture medium formulated for the growth and maintenance of a variety of cell lines. It is a complete, defined, and serum-free medium that provides the necessary nutrients and growth factors to support cell proliferation and viability.

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11 protocols using waymouth mb 752 1 medium

1

Immortalized Hepatic Stellate Cell Lines

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Rat HSC-T6 and human LX-2 cell lines were obtained from Dr. Yun-Lian Lin at The National Research Institute of Chinese Medicine, Taiwan. HSC-T6 cells, immortalized early active stage rat hepatic stellate cells (HSCs), were maintained in Waymouth MB 752/1 medium (Sigma-Aldrich, St. Louis, MO, USA) supplemented with 10% fetal calf serum and antibiotics (100 IU/mL each of penicillin and streptomycin) in a humidified atmosphere containing 5% CO2 and 95% air at 37 °C. LX-2, immortalized early active stage human HSCs were maintained in Dulbecco’s Modified Eagle medium (DMEM) supplemented with 2% fetal calf serum and antibiotics (100 IU/mL each of penicillin and streptomycin) in a humidified atmosphere containing 5% CO2 and 95% air at 37 °C. The cultures were passaged by trypsinization every 3–4 days.
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2

Apoptosis Induction in Cancer Cells

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Cordycepin, paclitaxel, cisplatin, Waymouth MB 752/1 medium, propidium iodide, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT), RNase A, bovine serum albumin, and dimethyl sulfoxide (DMSO) were purchased from Sigma Chemicals (St Louis, MO, USA). Fetal bovine serum, lyophilized trypsin-ethylenediaminetetraacetic acid (EDTA), Dulbecco’s phosphate-buffered saline (PBS), and gentamicin sulfate were purchased from Gibco (Grand Island, NY, USA). Sodium hydroxide, hydrochloric acid, sodium dodecyl sulfate, EDTA, isopropyl alcohol, chloroform, and Tween-20 were purchased from Merck (Darmstadt, Germany). Acrylamide was purchased from JT Baker (Phillipsburg, NJ, USA). HEPES was purchased from Mallinckrodt Baker Inc (Paris, KT, USA). Sodium bicarbonate, sodium carbonate, and sodium chloride were purchased from Riedel-de Haën (Seelze, Germany). Antibodies against cleaved caspase-3, caspase-8, and caspase-9, phospho-ERK1/2, phosphor-SAPK/JNK, phosphor-p38, ERK1/2, SAPK/JNK, and p38 were purchased from Cell Signaling (Beverly, MA, USA). Tris base, Z-LEHD-FMK (caspase-9 inhibitor), Z-IETD-FMK (caspase-8 inhibitor), Z-DEVD-FMK (caspase-3 inhibitor), and β-actin were purchased from Calbiochem (San Diego, CA, USA). Anti-PARP antibody was purchased from Oncogene (San Diego, CA, USA).
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3

MLTC-1 Cell Culture Protocol

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MLTC-1 cells purchased from ATCC (Manassas, USA) were cultured in a T-75 flask in Waymouth MB 752/1 medium (Sigma-Aldrich, St. Louis, MO, USA) supplemented with 10% heat-inactivated fetal bovine serum (Sigma-Aldrich) at pH 7.3 at 37°C in 5% CO2 in a humidified incubator. All experiments for this study were conducted on MLTC-1 cells between passage numbers 10 and 30. The number of cells to be used in experiments was standardized and was seeded at a density of 2 × 105 cells/ml/well for estimating steroid and VEGF production.
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4

MLTC-1 Cells for Steroid Production

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MLTC-1 cells were obtained from the American Type Culture Collection (Manassas, USA). MLTC-1 cells express the human chorionic gonadotropin (hCG) receptor. They respond to LH/hCG with stimulation of steroid production (11 (link)). The MLTC-1 cells were routinely maintained in Waymouth MB 752/1 medium (Sigma Aldrich, St. Louis, USA) supplemented with 10% heat-inactivated fetal bovine serum (Sigma Aldrich, St. Louis, USA) at 37°C in 5% CO2 in a humidified incubator. The MLTC-1 cells used for all the experiments had a passage number less than 30.
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5

Maintenance of MA-10, TM4, and NT2/D1 Cell Lines

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MA-10 cells were a gift from Dr. Mario Ascoli (University of Iowa, Iowa City, IA)48 (link). Cells were maintained in Waymouth MB 752/1 medium (Sigma-Aldrich, St. Louis, MO) containing 10% fetal bovine serum (Invitrogen, Grand Island, NY) and incubated in a humidified atmosphere containing 95% air and 5% CO2 at 37 °C. The murine TM4 Sertoli-like cell line and NT2/D1 cells were obtained from the American Type Culture Collection (Manassas, VA)49 (link). TM4 Sertoli cells were maintained in Dulbecco’s modified eagle medium, nutrient mixture F-12 (DMEM/F-12; Invitrogen, Grand Island, NY) containing 10% fetal bovine serum and incubated in a humidified atmosphere containing 95% air and 5% CO2 at 37 °C. NT2/D1 cells were maintained in Dulbecco’s modified eagle medium with high glucose (DMEM/HIGH GLUCOSE; Invitrogen, Grand Island, NY) containing 10% fetal bovine serum and incubated in a humidified atmosphere containing 95% air and 5% CO2 at 37 °C.
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6

Culturing Immortalized Rat Hepatic Stellate Cells

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The HSC-T6, a generous gift from Prof. S.L. Friedman, is an immortalized cell line of rat HSCs [4] (link). HSC-T6 cells were incubated in Waymouth MB 752/1 Medium (Sigma-Aldrich, St. Louis, MO, USA) containing 10% fetal bovine serum (FBS, pH 7.0; Gibco BRL, Gaithersburg, MD, USA) at 37°C in 5% CO2.
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7

Characterization of 1000W Rat Tracheal Cell Line

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The 1000W cell line was derived as an outgrowth from a heterotopic tracheal transplant in a F344 inbred rat, following exposure to 7,12‐dimethylbenz(a)anthracene (Marchok, Rhoton, & Nettesheim, 1978). The epithelial cells were cultured in Waymouth MB752/1 medium (Sigma–Aldrich, St. Louis, MO) supplemented with 10% fetal bovine serum (Hyclone, UT or Atlanta Biologicals, GA), as previously described (Amarachintha et al., 2015; Heckman, Plummer, & Runyeon, 1996). The line was tested periodically and found to be free of contamination with Mycoplasma. The 1000‐W cells were tested periodically for tumorigenicity in immune‐suppressed, syngeneic animals. After 65 weeks in culture, they were positive for tumorigenicity, suggesting that long‐term culture in vitro has an effect similar to tumor promotion. Cells used in these experiments were at 35–45 weeks of in vitro culture. For experiments, glass coverslips were coated with germanium for use as substrates (see Preparation of substrates). Cells were subcultured at a density of 250,000 per 35‐mm dish and incubated overnight to allow them to adhere to the substrates. Then, they were treated with reagents as described below (see Treatment with BPs, small inhibitory RNAs (siRNAs), and ODNs).
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8

Establishment and Maintenance of KPC and KPYC Cell Lines

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KPC/vector and KPYC/Flag-Yap lines were established previously and cultured on collagen-coated plates in Waymouth MB 752/1 Medium (Sigma-Aldrich, St. Louis, MO) containing 10% FBS (Zhang et al 2014 (link)). KPC cells established from a KPC PDAC tumor were stably transduced with pTRIPZ or pTRIPZ-Yapsh and maintained in DMEM medium (Corning, Corning, NY) containing 10% fetal bovine serum (FBS). Yapsh expression was induced by treating the cells with Doxcycline (4 µg/mL) for 3 days. Regularly mycoplasma testing was performed in house using Mycoplasma Detection Kit (InvivoGen, San Diego, CA).
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9

Isolation and Culture of Murine Pancreatic Cells

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Pancreata were harvested from 6- to 8-week old mice, washed twice in Hanks balanced salt solution (HBSS), minced and incubated with 0.2 mg/mL collagenase-P (Roche, Indianapolis, IN) at 37°C for 15 min. Tissue was wa shed 3x in HBSS containing 5% fetal bovine serum (FBS) and filtered through 500μm and 105μm polypropelene mesh (Spectrum Laboratories). Filtrate was centrifuged through 30% FBS in HBSS and resuspended in Waymouth MB 752/1 medium (Sigma-Aldrich) supplemented with 50 μg/mL gentamycin (Life Technologies), 0.4 mg/mL soybean trypsin inhibitor (Life Technologies), and 1 μg/mL dexamethasone (Sigma-Aldrich). Suspension was plated in non-adherent plates and maintained at 37°C in a 5% CO2 atmosphere. Transdifferentiation assays performed as described9 (link).
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10

Establishment and Maintenance of KPC and KPYC Cell Lines

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KPC/vector and KPYC/Flag-Yap lines were established previously and cultured on collagen-coated plates in Waymouth MB 752/1 Medium (Sigma-Aldrich, St. Louis, MO) containing 10% FBS (Zhang et al 2014 (link)). KPC cells established from a KPC PDAC tumor were stably transduced with pTRIPZ or pTRIPZ-Yapsh and maintained in DMEM medium (Corning, Corning, NY) containing 10% fetal bovine serum (FBS). Yapsh expression was induced by treating the cells with Doxcycline (4 µg/mL) for 3 days. Regularly mycoplasma testing was performed in house using Mycoplasma Detection Kit (InvivoGen, San Diego, CA).
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