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The F2442 is a laboratory equipment product manufactured by Thermo Fisher Scientific. It is designed to perform specific functions within a laboratory setting. The core function of this product is to provide a controlled environment for various scientific applications. Further details about the intended use or specific applications of this product are not available.

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14 protocols using f2442

1

Culturing Glucose-Responsive Min6 Insulinoma Cells

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We used glucose-responsive Min6 insulinoma cells [14 (link)] cultured in Dulbecco modified Eagle medium (DMEM; Invitrogen 41965-039) containing 15% fetal bovine serum (FBS; Sigma-Aldrich F2442), penicillin-streptomycin (ThermoFisher 15140122) and 0.05 mM 2mercaptoethanol (Gibco 31350010) at 37 °C and 5% CO2. The cell line has not been authenticated, but tested negative for mycoplasma by a polymerase chain reaction (PCR)-based detection kit (Sigma-Aldrich D9307). Medium containing 0.5 mM palmitate was prepared by first dissolving FFA-free BSA (Fisher Scientific BP9704100) in Min6 media to a final concentration of 0.6 M, then adding sodium palmitate (Sigma-Aldrich P9767). The solution was shaken overnight at 250 rpm at 50°C, and filtered before use.
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2

Imaging of Immunolabeled and Mitochondrial Dynamics

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For imaging immunolabeled samples, U2OS cells (human bone osteosarcoma, HTB-96, ATCC) were grown in McCoy’s 5A medium (ATCC) supplemented with 10% fetal bovine serum (FBS, Sigma-Aldrich, F2442) and 1% penicillin-streptomycin (ThermoFisher), and seeded on coverslips 2–3 days before experiments. For imaging mitochondria dynamics, HeLa cells29 (link) were grown in Dulbecco’s Modified Eagle Medium (DMEM) with glutaMAX and 4.5 g/L glucose (ThermoFisher), 1% (v/v) penicillin-streptomycin (Sigma-Aldrich), 1 mM sodium pyruvate (Sigma-Aldrich), and 10% (v/v) FBS (Merck Millipore) at 37°C in a 5% CO2 incubator. The cells were seeded in glass-bottom dishes (ibidi GmbH) one day prior to imaging.
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3

Immunolabeling and Mitochondria Imaging

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For imaging immunolabeled samples, U2OS cells (human bone osteosarcoma, HTB-96, ATCC) were grown in McCoy’s 5 A medium (ATCC) supplemented with 10% fetal bovine serum (FBS, Sigma-Aldrich, F2442) and 1% penicillin-streptomycin (ThermoFisher), and seeded on coverslips 2-3 days before experiments. For imaging mitochondria dynamics, HeLa35 (link) or COS-7 cells were grown in Dulbecco’s Modified Eagle Medium (DMEM) with glutaMAX and 4.5 g/L glucose (ThermoFisher), 1% (v/v) penicillin-streptomycin (Sigma-Aldrich), 1 mM sodium pyruvate (Sigma-Aldrich), and 10% (v/v) FBS (Merck Millipore) at 37 °C in a 5% CO2 incubator. The cells were seeded in glass-bottom dishes (ibidi GmbH) one day prior to imaging.
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4

Culturing and Transfecting HeLa Cells

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HeLa cells were maintained in DMEM, GlutaMAX Supplement (Gibco, catalog 10569-010), supplemented with 10% (vol/vol) FBS (Sigma, catalog F2442) and the antibiotics penicillin and streptomycin (100 U/mL) (Gibco, catalog 15140-122) at 37oC with 5% CO2. HeLa cells were transfected with Lipofectamine 3000 Transfection Reagent (Invitrogen, catalog L3000015).
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5

Quantifying Senescent Fibroblast Dynamics

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The human diploid fibroblast WI-38 cell line (American Type Culture Collection, ATCC® CCL75™) was cultured in Minimum Essential Medium Eagle (Sigma-Aldrich, M4655) containing 10% FBS (Sigma-Aldrich, F2442), 1× Non-Essential Amino Acids Solution (Gibco, 11140050), 1 : 100 L-Glutamine–Penicillin–Streptomycin solution (Sigma-Aldrich, G6784), and maintained in a 37°C, 5% CO2 incubator. WI-38 fibroblasts were cultured from a cumulative population doubling (CPD) level of 37 representing a proliferative state based on Sidler et al. [20 (link), 21 (link)], to a senescent state defined by a failure to double after one week (CPD 56-60) [6 (link)]. Serial culture of WI-38 was performed by seeding cells at a density of 7000 cells/cm2 and trypsinization with 0.25% (weight/volume) Trypsin-0.53 mM EDTA solution every 3-4 days until senescent status was reached. Cell numbers were recorded for estimated CPD and doubling time. Doubling time was calculated as follows: Doubling time = duration∗log2 (2)/log2 (Final Cell Concentration)–log2 (Initial Cell Concentration) [22 ].
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6

Differentiation and Co-culture of Human iPSCs, ESCs, and Astrocytes

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Human iPSCs and ESCs were maintained on matrigel (Corning, 354230) dishes in mTesR (Stemcell Tech, 85850). For neuronal differentiation experiments, the medium was changed to neurogenic medium (DMEM/F-12 Nutrient Mix (GIBCO, 11320), 1x B-27 serum-free supplement (GIBCO, 17504), 1x N-2 supplement (GIBCO, 17502), and 25 μg/mL gentamicin (Sigma, G1397)). Human astrocytes (Lonza, CC-2565) were maintained in DMEM High Glucose supplemented with 10% FBS (Sigma, F2442) and 1% penicillin-streptomycin (GIBCO, 15140122) and transferred to neurogenic medium for co-culture with iPSC-derived neurons. For lentivirus production, HEK293T cells were cultured in DMEM High Glucose supplemented with 10% FBS and 1% penicillin-streptomycin.
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7

HT29 Colorectal Cancer Cell Line Protocols

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The HT29 human colorectal carcinoma cell line (ATCC; HTB-38) was grown in McCoy’s 5A medium (Corning; 10-050-CV), with 10% fetal bovine serum (FBS) (Sigma-Aldrich; F2442) and 1% penicillin-streptomycin (Gibco; 15140-122). A cell clone from HT29 transduced in bulk with EFNB2-shRNA-596 lentivirus (clone 596-7) was selected with puromycin (Gibco; A11138-03; 3 μg/mL; 9 days) and maintained in tetracycline-free FBS (Corning; 35-075-CV) and 3 μg/mL puromycin. The monoclonality of clone 596-7 was verified by virus integration site mapping.27 (link)
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8

Equine Myeloid-Derived Immune Cells Protocol

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eMDMs were prepared from equine peripheral blood mononuclear cells as described previously [59 (link)], and maintained in RPMI 1640 (Sigma-Aldrich, R8758) supplemented with 30% horse serum (HyClone, SH30074.03) and 30% newborn bovine serum (Ausbian, VS500N). The human cell lines HEK293T and Hela were maintained in Dulbecco’s high-glucose modified Eagle’s medium (Sigma-Aldrich, D6429) supplemented with 10% fetal bovine serum (Sigma-Aldrich, F2442) and 1% penicillin-streptomycin (Gibco, 15140122). U937 cells were grown in RPMI 1640 supplemented with 10% fetal bovine serum. All primary cells and cultured cell lines were maintained at 37°C in a humidified incubator containing 5% carbon dioxide.
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9

Differentiation and Co-culture of Human iPSCs, ESCs, and Astrocytes

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Human iPSCs and ESCs were maintained on matrigel (Corning, 354230) dishes in mTesR (Stemcell Tech, 85850). For neuronal differentiation experiments, the medium was changed to neurogenic medium (DMEM/F-12 Nutrient Mix (GIBCO, 11320), 1x B-27 serum-free supplement (GIBCO, 17504), 1x N-2 supplement (GIBCO, 17502), and 25 μg/mL gentamicin (Sigma, G1397)). Human astrocytes (Lonza, CC-2565) were maintained in DMEM High Glucose supplemented with 10% FBS (Sigma, F2442) and 1% penicillin-streptomycin (GIBCO, 15140122) and transferred to neurogenic medium for co-culture with iPSC-derived neurons. For lentivirus production, HEK293T cells were cultured in DMEM High Glucose supplemented with 10% FBS and 1% penicillin-streptomycin.
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10

Neonatal Mouse Retinal Explant Preparation

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Mouse retinal explants were prepared as previously described [62]. Briefly, neonatal (postnatal day 0) pups were euthanized by CO2 asphyxiation, and eyes were enucleated and transferred to HBSS. The neural retina was dissected free from the retinal pigment epithelium (RPE), cut into small pieces (each ~3 mm2), and transferred into a 12-well cell culture plate. The retinal explants were maintained in a 1:1 mixture of DMEM and F12 (Gibco, 11320-033) containing 5% FBS (Sigma-Aldrich, F2442) and penicillin-streptomycin (Gibco, 15140122) for 24h at 37°C in an 8% CO2 atmosphere.
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