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7 protocols using ham s f 10 media

1

Isolation and Culture of Porcine Stem Cells and Islets

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NPSCs were isolated as described previously11 (link),12 (link). Briefly, pig testes were decapsulated and chopped into 1- to 2-mm fragments in Hank’s balanced salt solution (HBSS; Sigma-Aldrich, St. Louis, MO, USA). To remove contaminating cells, tissue was digested with 2 mg/ml of sterile type V collagenase (Sigma-Aldrich), followed by trypsin 0.25% (v/v) (Roche, Madison, WI, USA) and 800 U/ml of DNAse I (Roche). Cells were cultured on non-tissue culture-treated petri dishes in supplemented Ham’s F10 media (Thermo Fisher Scientific, Waltham, MA, USA) and 10% (v/v) heat-inactivated neonatal pig serum (NPS; obtained from pigs used for islet isolation) for 48 h at 37°C to allow formation of NPSC aggregates prior to transplantation.
For isolation of NPIs, pancreases were collected from neonatal pigs and chopped using into 1- to 2-mm fragments in HBSS13 (link). Tissue was digested with 2.5 mg/ml of sterile type XI collagenase (Sigma-Aldrich) and cultured for 7–9 days on non-tissue culture-treated petri dishes in supplemented Ham’s F10 media at 37°C to purify NPIs from acinar cells13 (link).
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2

Porcine Pancreatic Islet Isolation

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Neonatal porcine pancreases were procured from 3-day-old piglets (XP Bio, Anseong, Korea). The procedure for NPCC isolation was previously described by Yoon et al. [15 (link)]. Briefly, piglets were anesthetized with a mixture of rompun and ketamine (1:5 ratio). Pancreas was surgically removed, followed by cold ischemia in M199 (Thermo Fisher Scientific, Waltham, MA, USA). The pancreas was minced into less than 1 mm3 for 15 minutes, followed by enzymatic digestion with 1.5 mg/mL Collagenase P (Roche, Basel, Switzerland), dissolved in M199 for 16 minutes in a shaking water bath (37°C, 160 rpm). Digested tissues were filtered through a 500 µm cell strainer and washed using HBSS (0.25% bovine serum albumin, Sigma-Aldrich, St. Louis, MO, USA) three times. After filtration, pancreatic tissues were centrifuged for 2 minutes at 1,000 rpm. The NPCCs were then cultured in Ham’s F-10 media (Sigma-Aldrich) containing HEPES, D-glucose, L-glutamine, nicotinamide, CaCl2, IBMX, 1× anti/anti, 10% fetal bovine serum (Thermo Fisher Scientific) at 37°C, 5% CO2 for 5 days. Full media change was performed 24 hours later, and half the media was changed on day 3.
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3

Isolation and Differentiation of Primary Myoblasts

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Primary myoblast cultures were isolated as previously described [36 (link)]. Briefly, hind leg muscles from 6-week-old mice were minced and digested in collagenase/dispase. Cells were collected and grown in Ham’s F-10 media (Sigma-Aldrich, St Louis, MO, USA). Medium was supplemented with 10 ng/mL bFGF. When cultures reached 70%, density medium was switched to 2% horse serum to induce differentiation. Cells were fixed 4 days after medium changed and stained using MF20 or an anti-Myogenin antibody. Fusion index was calculated as previously described [36 (link)].
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4

Cell Culture of BRCA2-Deficient Cells

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Chinese hamster cells V79 (BRCA2 wild type cells) and V-C8 (brca2−/− cells) (both gifts from Dr. Kowalczykowski) were grown in Ham's F-10 media (Invitrogen) with 15% FBS (Sigma). V-C8 cells stably expressing BRCA2 were grown in Ham's F-10 media with 15% FBS and 0.5 mg/ml G418 (Sigma). BRCA2 purification cells were grown in DMEM (Corning Cellgro) with 10% Tet-free serum (Denville Scientific) and 50 μg/ml Hygromycin B (EMD). Cells were cultured at 37°C with humidity and 5% CO2.
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5

Isolation and Sorting of Satellite Cells

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Briefly, hindlimb muscles from Ythdc1 Ctrl/iKO and Pax7n-GFP mice were dissected and minced with blades, then digested with collagenase II (1100 U/ml, Worthington in Hams F-10 media [Sigma]) for 90 min at 37°C with gentle rotation at 70 rpm. The digested muscles were washed in washing medium (Hams F-10 media, 10% HIHS [Gibco], penicillin/streptomycin [1×, Gibco]) once and SCs were further released by treating muscles with collagenase II (1100 U/ml) and dispase (11 U/ml) for 40 min at 37°C. Digested tissue was passed through a 21-gauge needle 12 times and filtered through a 40 μm filter followed by spinning at 700 × g for 5 min at 4°C. Mononuclear cells were resuspended and filtered with a 40 µm cell strainer and GFP+/EYFP+ SCs were sorted out by BD FACS Aria Fusion cell sorter (BD Biosciences).
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6

Culturing LE2 Lung Endothelial Cells

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LE2 cells (a line of mouse lung capillary endothelia from B10D2 congenic mice, cd 133+) 44 were cultured in Hams F10 media (Sigma Aldrich, UK) supplemented with 3% FBS (Sigma Aldrich, UK), 2% antibiotic mix (60% v/v 200 mM L-glutamine (Sigma Aldrich, UK), 35% v/v penicillin/streptomycin (Sigma Aldrich, UK), 5% v/v fungizone (Invitrogen, UK)), 5 mL of 7.5% sodium bicarbonate (Sigma Aldrich, UK) and 10 mL ITS (100x, Life Technologies).
Hams was chosen as it is CO2 independent and thus can be simply cultured in different temperature environments.
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7

Epididymal Sperm Evaluation Protocol

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Sperm samples were collected from the tail of the epididymis and then transferred to the 1 ml of Ham's F-10 media (Sigma-Aldrich Product Number N6635). After incubation at 37 °C for 20 minutes, 10 µl of the sample was placed on a slide and sperm motility was observed. The sperm count was measured by counting chamber. For examination of morphology, the sperm smear was prepared for analysis, placed on a slide, air dried at room temperature, and fixed in methyl alcohol. Then, the sample was stained with Diff-Quik.
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