Cell culture plates and flasks

Lactobacillus plantarum, a gram‐positive lactic acid bacterium, can mainly be found in fermented food and the GI tract and nowadays it is utilized in the food industry as a probiotic. L. plantarum bacteria (PTCC 1058) was purchased from the Biotechnology Department in the Iranian Research Organization for Science and Technology (IROST), Iran. Omega‐3 dietary supplement (fish oil) was purchased from Golden Seas company (Yazd, Iran). According to data provided by the supplier, the major fatty acids in this fish oil were as follows: 240 mg DHA and 360 mg EPA. Gelatin, chitosan, and gum Arabic, and other materials were purchased from Sigma‐Aldrich Ltd., Australia. MTT (3‐[4, 5‐dimethylthiazol‐2‐yl]‐2, 5‐diphenyltetrazolium bromide) and dimethyl sulfoxide (DMSO) were purchased from Sigma‐Aldrich, Germany. Dulbecco's modified Eagle's medium (DMEM) and Penicillin‐Streptomycin were obtained from Biowest, Germany. Fetal bovine serum (FBS) and trypsin were purchased from Gibco, Germany. Cell culture plates and flasks were purchased from SPL, Korea, and the microtubes were purchased from Ratiolab, Germany. All primers were designed and purchased from DNA Pioneer, Korea. RNA extraction kit and complementary DNA (cDNA) synthesis kit were purchased from FAVORGEN, Taiwan, and Addbio, Korea.

ROCK inhibitor Y27632, dimethyl sulfoxide (DMSO), poly-L-ornithine, N6,2'-O-Dibutyryladenosine 3',5'-cyclic monophosphate (dibutyryl cAMP), dexamethasone (DEX), Dulbecco's Modified Eagle's Medium (DMEM), all-trans-retinoic acid (RA), and phosphate buffered saline (PBS) were obtained from Sigma-Aldrich Inc. (St. Louis, MO, USA). Geltrex, Neurobasal medium, Neural Induction Supplement, Advanced DMEM/F-12, StemPro Accutase Cell Dissociation Reagent, KnockOut DMEM/F-12, GlutaMAX-I Supplement, basic fibroblast growth factor (bFGF), epidermal growth factor (EGF), StemPro Neural Supplement, B-27 Serum-Free Supplement, laminin, Penicillin-Streptomycin antibiotic solution, 0.25% trypsin-EDTA solution, collagenase, and 5'-bromo-2-deoxy-uridine (BrdU) were obtained from Gibco, Thermo Fisher Scientific Inc. (Waltham, MA, USA). StemMACS iPS-Brew XF medium was obtained from Miltenyi Biotec Inc. (Bergisch Gladbach, Germany). Fetal bovine serum (FBS) was purchased from Capricorn Scientific GmbH (Ebsdorfergrund, Germany). Cell culture consumables such as cell culture plates and flasks, cell culture chamber slides, and serological pipettes were obtained from SPL Life Sciences Co. (Korea).