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Gelatin based coating solution

Manufactured by Cell Biologics
Sourced in United States

Gelatin-based coating solution is a liquid product designed to create a uniform, biocompatible coating on various lab equipment and surfaces. It is formulated to enhance cell attachment and proliferation in in vitro cell culture applications.

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19 protocols using gelatin based coating solution

1

Primary Mouse Lung Endothelial Cells

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Primary mouse lung microvascular endothelial cells (MLECs) and complete mouse endothelium cell medium were both purchased from Cell Biologics, (Chicago, IL). Cells were maintained in 10-cm plastic dishes pre-coated with Gelatin-Based Coating Solution (Cell Biologics, Chicago, IL). For some experiments, MLECs were cultured with serum from lean or obese mice (10 μl serum/ml complete mouse endothelium cell medium containing 1% FBS). At pre-specified time points, cell lysates were collected for later analysis. All in vitro studies were performed using cells from passage 3–4.
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2

Mammalian Cell Culture Conditions

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Vero E6 cells (CRL-1586, American Type Culture Collection [ATCC]) and 293FT/hACE2+TMPRSS (17 (link)) were cultured in Dulbecco’s Modified Eagle medium (DMEM, Gibco) supplemented with 10% fetal bovine serum (FBS) at 37°C with 5% CO2. Rat lung epithelial cells L2 (CCL-149, ATCC) were cultured in F-12K Medium (ATCC) supplemented with 10% FBS at 37°C with 5% CO2. Rat primary tracheal epithelial cells (Cell Biologics) were grown on culture flasks or plates pre-coated with gelatin-based coating solution (Cell Biologics) in Complete Epithelial Cell Medium (Cell Biologics) at 37°C with 5% CO2.
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3

Culturing Primary Colonic Cells

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Human primary colonic epithelial cells and human primary colonic microvascular endothelial cells were cultured following manufacturer’s instructions (Cell Biologics, Chicago, IL, USA). Cells were thawed and cultured in a T75 flask coated with gelatin-based coating solution (Cell Biologics) with either complete human epithelial cell media (Cell Biologics) or EGM-2 MV microvascular endothelial cell growth medium-2 BulletKit (Lonza, Walkersville, MD). Media was changed after initial plating, every 48 h when cells were <70% confluent and every 24 h when cells were >70% confluent. Cells were harvested at confluency for experimentation.
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4

Culturing Primary Mouse Dermal Lymphatic Endothelial Cells

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Mouse primary dermal lymphatic endothelial cells (LECs) from the C57BL/6 mouse strain were purchased from Cell Biologics (#C57-6064L, Chicago, USA) and cultured in tissue culture flasks precoated with gelatin-based coating solution (#6950, Cell Biologics) in Culture Complete Mouse Endothelial Cell Medium (#M1168, Cell Biologics). Cells were passaged after reaching a confluence of approx. 80%.
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5

Culturing Mouse Brain Endothelial Cells

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C57BL/6 mouse primary brain microvascular endothelial cells were obtained directly from Cell Biologics (Catalogue No. C57-6023, Chicago, IL). Cells were grown in 75 cm2 flasks coated with a gelatin-based coating solution (Cell Biologics, Chicago, IL). Endothelial cell media containing vascular endothelial growth factor, endothelial cell growth supplement, heparin, epidermal growth factor, hydrocortisone, L-glutamine, an antibiotic-antimycotic solution, and fetal bovine serum (Complete Mouse Endothelial Cell Medium w/ Kit, Cell Biologics, Chicago, IL) was used to grow the endothelial cells to approximately 80% confluency.
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6

Investigating PDIA3 and TGF-β1 in Kidney Fibroblasts

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Human primary kidney fibroblasts (Cell biologics) were plated at 3 × 106 cells per well of a 6-well plastic culture dish plate precoated with gelatin-based coating solution (Cell biologics). Cells were maintained in fibroblast medium with added FCS (Cell biologics). Cells were grown at 37°C in 5% CO2. At 24 hours before being treated with the protein of interest, medium was swapped for serum-free medium to ensure a “serum-starved” phenotype to minimize baseline activation of cells. Cells were then treated with PDIA3 (10 ng/mL) ± TGF-β1 (10 ng/mL). Cells were collected for qPCR 72 hours later.
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7

Isolation and Senescence Depletion of Type II Alveolar Epithelial Cells

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AECs were isolated by magnetic associated cell sorting (MACS) by negative selection of CD45+ (Miltenyi, cat#130-052-301, dilution 10 µL per 10 million cells) and CD31+ (Miltenyi, cat#130-097-41, dilution 10 µL per 10 million cells) cells and followed by positive selection of CD326+ cells (Miltenyi, cat# 130-118-075, clone caa7-9G8, dilution 5 µL per 10 million cells). This method typically yields approximately 85% purity of prosurfactant-C+ cells as measured by flow cytometry. Isolated type II AECs were cultured with DMEM/F12 medium containing 10% FBS, 1.25 g BSA, 100 U/mL penicillin/streptomycin, and 1x Insulin-Transferrin-Selenium (Gibco, 41400045). Type II AECs were seeded in tissue culture plates coated with gelatin-based coating solution (Cell Biologics, 6950).
To deplete senescent cells, type II AECs were cultured with 20 nM dasatinib (Sigma, SML2589) and 5 µM quercetin (Sigma, Q4951) or 200 nM dasatinib and 50 µM quercetin for 48 h.
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8

Characterizing HUVEC Viability on Gelatin Patches

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Human umbilical vein endothelial
cells (HUVECs) were cultured in endothelial cell growth basal medium-plus
(Lonza, no. CC-5036) according to the manufacturer’s specification.
Patches were cut to a diameter of 6 mm using a biopsy punch and coated
with gelatin-based coating solution (Cell Biologics, #6950) via incubation
at room temperature for 10 min. HUVEC cells (5 × 103) were seeded onto patches in 20 μL droplets and incubated
for 1 h to aid attachment before patches were covered with media and
incubated for 24 h at 37 °C. Following incubation, viability
was assessed via immunofluorescent staining with 2 μM calceinAM
and 8 μM ethidium homodimer. Z-stack images
were acquired at 10× magnification using the A1 Nikon Confocal
Imaging System (Nikon Corporation, Tokyo, Japan). Z-stacks were composed of ≥25 images at 15 μm intervals.
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9

Culturing Primary Small Intestinal Epithelial Cells

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Primary small IECs were purchased from PELOBiotech. Cells were cultivated in Epithelial Cell Medium (Cell Biologics) in T25 flasks pretreated with gelatin-based coating solution (Cell Biologics). During expansion, medium was replenished and cells were split as needed.
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10

Mouse Brain Microvascular Endothelial Cell Culture

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Mouse primary brain microvascular endothelial cells (MBEC) were purchased from Cell Biologics, IL, United States (Catalog# C57-6023; Lot# 070613T2MP) and cultured according to the manual, but with no heparin (as it interferes with EV uptake Atai et al., 2013 (link); Christianson et al., 2013 (link)). Briefly, T25 flasks were pre-coated with Gelatin-based coating solution (Cell Biologics), 106 cells seeded in the Endothelial Cell Medium (Cell Biologics) and passaged 1:2 upon confluence. Low passages (1–4) have been used in this study.
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