Cells were isolated from the blood vessels in rat, mouse and human. Human carotid arteries were obtained from National Disease Research Interchange (Philadelphia, PA). The cells isolation methods were described previously 56 (link). Briefly, the tissue segments were washed three times with phosphate buffered saline (PBS) supplemented with 1% penicillin/streptomycin (P/S). The surrounding connective tissues and adventitia were dissected away under a dissecting microscope. Endothelium was removed by scraping off the cell layer on the luminal surface with sterile scalpel blades. For tissue explant culture method, the tunica media was cut into mm-size and placed onto the surface coated with 1% CellStart (Invitrogen Corp.) in 6-well plates. The cells were cultured in DMEM with 10% FBS (Thermo Fisher Scientific Inc.), or in DMEM with 2% CEE (MP Biomedical, Inc.), 1% FBS, 1% N2 (Invitrogen Corp.), 2% B27 (Invitrogen Corp.), 100 nM retinoic acid (RA) (Sigma-Aldrich, Inc.), 50 nM 2-mercaptoethanol (2ME) (Sigma-Aldrich, Inc.), 1% P/S and 20 ng/ml bFGF (R&D Systems, Inc.) (Maintenance medium). For enzymatic digestion methods, tissues were incubated with 3 mg/ml type II collagenase (Sigma-Aldrich Inc.) in DMEM with a 1/5 (w/v) ratio of tissue (g) to enzyme solution (ml). After incubation at 37°C for 30 min, the same volume of 1 mg/ml elastase (Sigma-Aldrich, Inc.) solution was added to the solution containing the tissue and collagenase. The tissues were incubated for another 1–2 hours until all the tissues were digested. Cells were then seeded onto CellStart-coated dishes and maintained at 37°C in an incubator with 5% CO2.
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Tissue Culture Techniques
Tissue Culture Techniques
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Most cited protocols related to «Tissue Culture Techniques»
2-Mercaptoethanol
Adventitia
Blood Vessel
Carotid Arteries
Cells
Cell Separation
Collagenase
Connective Tissue
Digestion
Endothelium
Enzymes
Homo sapiens
Hyperostosis, Diffuse Idiopathic Skeletal
Matrix Metalloproteinase 13
Microscopy
Mus
Pancreatic Elastase
Penicillins
Phenobarbital
Phosphates
Saline Solution
Sterility, Reproductive
Streptomycin
Suby's G solution
Tissue Culture Techniques
Tissues
Tretinoin
Tunica Media
Type II Mucolipidosis
2-Mercaptoethanol
Adventitia
Blood Vessel
Carotid Arteries
Cells
Cell Separation
Collagenase
Connective Tissue
Digestion
Endothelium
Enzymes
Homo sapiens
Hyperostosis, Diffuse Idiopathic Skeletal
Matrix Metalloproteinase 13
Microscopy
Mus
Pancreatic Elastase
Penicillins
Phenobarbital
Phosphates
Saline Solution
Sterility, Reproductive
Streptomycin
Suby's G solution
Tissue Culture Techniques
Tissues
Tretinoin
Tunica Media
Type II Mucolipidosis
We selected 35 placentas that met the requirements (maternal age less than 35 years, negative for infectious diseases, gestational age more than 35 weeks, regular birth examination, and no disease that interferes with placental vigor). Written informed consent was obtained from the donors. The study protocols were reviewed and approved by the Zhujiang Hospital review board and ethics committee of Zhujiang Hospital of Southern Medical University (approval number: 2019-KY-015-02). Thirty samples were treated with the tissue explant method and enzymatic digestion. Placental chorionic vascular MSCs were derived from five other samples after treatment with the umbilical vein perfusion method. The efficiency of different methods for isolation and culture of MSCs from the same placental parts was statistically analyzed, and the average passage time and yield (the number of primary MSCs that could be isolated from tissues of the same weight) were calculated. We selected MSCs from the same individuals (who provided placentas from which UC-MSCs were obtained by the tissue block culture method, and placental MSCs were obtained by enzymatic digestion) for biological characteristics analysis to avoid individual differences. Cells were cultured in serum-free media (Haoyang sc-82,013-G www.tbdscience.com ) to minimize the individual differences associated with culture methods, which can impact results.
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Biopharmaceuticals
Blood Vessel
Cells
Chorion
Communicable Diseases
Culture Media, Serum-Free
Culture Techniques
Digestion
Donors
Enzymes
Ethics Committees, Clinical
Genetic Testing
Gestational Age
isolation
Perfusion
Placenta
Specimen Handling
Tissue Culture Techniques
Tissues
Umbilical Vein
Biological Assay
Cell Lines
Cell Nucleus
Cells
Clone Cells
Cytotoxin
DAPI
Fluorescence
Formaldehyde
Freezing
Infection
inhibitors
Kidney
Lung
Mycoplasma
prisma
SARS-CoV-2
Serum
Sulfoxide, Dimethyl
Technique, Dilution
Tissue Culture Techniques
Titrimetry
Vero Cells
Violet, Gentian
Viral Proteins
Virus Replication
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Antibodies
Blood Vessel
Cell Culture Techniques
Cells
Character
Culture Media
Fibroblasts
Fibrosis
Flow Cytometry
Fluorescein-5-isothiocyanate
Immunoglobulin Isotypes
Light Microscopy
Macrophage
Monoclonal Antibodies
Phosphates
Synovial Membrane
Thy-1 Antigens
Tissue Culture Techniques
Tissues
Most recents protocols related to «Tissue Culture Techniques»
EpiDerm Full Thickness 400 (EFT-400) skin equivalent tissue models from MatTek Cooperation [51 ] (Lot. 021918GSB) were used for all radiation exposure experiments. The EFT-400 system consists of normal human epidermal keratinocytes (NHEK) and normal human dermal fibroblasts (NHDF), however without vascular structures. They form a multi-layered, differentiated specimen consisting of basal, spinous, granular and cornified cell layers, partly resembling the normal human epidermal as well as a dermal layer arrangement. The missing of microvascular structures represents a limitation of this in-vitro model. However, the model is well-established for testing to radiation toxicity and alterations. Furthermore, applying skin models for radiotherapy experiments is also an option for avoiding/reducing the use of animal models [52 (link)].
The medium (Dulbecco’s Modified Eagle’s Medium (DMEM)) containing epidermal growth factor, insulin, hydrocortisone and other proprietary stimulators of epidermal differentiation, gentamicin 5 μg/ml, amphotericin B 0.25 μg/ml, phenol red and lipid precursors) and the 6-well plates used were supplied with the EFT-400 kit, see alsoFig 1(A) . After delivery of the tissues, new 6-well plates were prepared by adding 2.5 ml of the medium to each well using sterile technique in a tissue culture bonnet. Using sterile forceps, the gauze cover was removed from the insert again and each EFT-400 tissue was inserted into a well. No agarose adhered to the insert. The medium was completely in contact with the underside of the membrane of the tissue insert.
The in-vitro skin models were cultured in a humidified incubator at 37°C and 5% CO2 and transferred usually every 24 hours. The medium was stored in a refrigerator at temperatures between 2 and 8°C and pre-warmed in a water bath before use.
Immuno-histochemical analyses were performed according to the standard protocols to detect characteristic changes that are typical in natural skin when exposed to radiation and occur regularly in the investigated model. However, for the in-vitro model some specific proliferation and ageing patterns [53 (link)] have to be considered.
The medium (Dulbecco’s Modified Eagle’s Medium (DMEM)) containing epidermal growth factor, insulin, hydrocortisone and other proprietary stimulators of epidermal differentiation, gentamicin 5 μg/ml, amphotericin B 0.25 μg/ml, phenol red and lipid precursors) and the 6-well plates used were supplied with the EFT-400 kit, see also
The in-vitro skin models were cultured in a humidified incubator at 37°C and 5% CO2 and transferred usually every 24 hours. The medium was stored in a refrigerator at temperatures between 2 and 8°C and pre-warmed in a water bath before use.
Immuno-histochemical analyses were performed according to the standard protocols to detect characteristic changes that are typical in natural skin when exposed to radiation and occur regularly in the investigated model. However, for the in-vitro model some specific proliferation and ageing patterns [53 (link)] have to be considered.
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Amphotericin B
Animal Model
Bath
Blood Vessel
Cells
Eagle
Epidermal growth factor
Epidermis
Fibroblasts
Forceps
Gentamicin
Homo sapiens
Hydrocortisone
Insulin
Keratinocyte
Lipids
Obstetric Delivery
Radiation Exposure
Radiation Sickness
Radiotherapy
Sepharose
Skin
Sterility, Reproductive
Tissue, Membrane
Tissue Culture Techniques
Tissues
Vertebral Column
rMERS-CoV titers were determined by plaque assay on Huh7 (JCRB, No. JCRB0403) or MRC5 cells (CCL-171, ATCC). Huh7 cells were fixed after an incubation period of 3 days, whereas MRC5 cells were fixed after 4 days. The tissue culture infective dose 50 (TCID50) endpoint dilution method in Huh7 cells and the TCID50 was calculated by the Spearman–Kärber algorithm. All work with live MERS-CoV was performed in the biosafety level 3 facility at the Leiden University Medical Center (LUMC). In order to confirm the presence of the intended substitutions in the rMERS-CoV PLpro- and rMERS-CoVMA PLpro- coding sequences, RNA was isolated from virus-containing supernatants or lung homogenates with the QIAamp Viral RNA Mini Kit (Qiagen). Total RNA was reverse transcribed to cDNA using RevertAid H minus reverse transcriptase (Thermo Fisher Scientific) and random hexamers. The PLpro domain (nucleotides 4435-5409 of the MERS-CoV genome was amplified by PCR using Accuzyme DNA polymerase (Bioline) and after purification the PCR product was sequenced.
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Biological Assay
Cells
Dental Plaque
DNA, Complementary
DNA-Directed DNA Polymerase
Exons
Genome
Lung
Middle East Respiratory Syndrome Coronavirus
Nucleotides
RNA, Viral
RNA-Directed DNA Polymerase
Technique, Dilution
Tissue Culture Techniques
Tissues
Virus
For SARS-CoV-2, viral RNA was extracted 24 h post-infection from the supernatants of infected cells and copy numbers of the viral gene E were determined by TaqMan OneStep RT-qPCR with E_Sarbeco primers and probe [19 (link)] and following instructions of the QIAGEN QuantiNova Probe RT-PCR Kit. At 24 h post-infection, infectious particles were also titrated from the supernatants of infected cells by the tissue culture infectious dose 50% (TCID50) method on Vero E6 cells. For influenza A virus, infectious virus was titrated from the supernatants of infected cells 24 h post-infection by the TCID50 method on MDCK cells.
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Cells
Infection
Influenza A virus
Madin Darby Canine Kidney Cells
Oligonucleotide Primers
Reverse Transcriptase Polymerase Chain Reaction
RNA, Viral
SARS-CoV-2
Tissue Culture Techniques
Vero Cells
Virus
The tissue culture plate method was employed for detection of biofilm-producing S. aureus and a quantitative test was performed as published elsewhere [14 , 18 ].
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Biofilms
Tissue Culture Techniques
The reliability of the predicted-optimized results obtained through the genetic algorithm was evaluated through a validation experiment conducted in the laboratory. The validation experiment aimed to confirm the accuracy and reproducibility of the optimized combinations of phytohormones in achieving high callus formation rates and callus fresh weights. A total of seven replications were performed to ensure robustness and statistical significance. For each replication, the optimized phytohormone combinations determined by the genetic algorithm were used as treatment groups. Specifically, the combination of 1.31 mg/L BAP, 1.02 mg/L KIN, 1.44 mg/L NAA, and 1.70 mg/L IBA was tested for callus formation rate, while the combination of 1.39 mg/L BAP, 0.81 mg/L KIN, 1.22 mg/L NAA, and 1.60 mg/L IBA was evaluated for callus fresh weight (Fig 1C and 1D ). The plant material and the tissue culture procedures, including explant preparation, media preparation, and incubation conditions, followed standard protocols as described for the first trial experiment. The data collected from the validation experiment were analyzed statistically to compare the results with the predicted-optimized outcomes of the genetic algorithm.
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1-naphthylarsonic acid
Callosities
DNA Replication
MAGI1 protein, human
Plant Growth Regulators
Plants
Tissue Culture Techniques
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Fetal Bovine Serum (FBS) is a cell culture supplement derived from the blood of bovine fetuses. FBS provides a source of proteins, growth factors, and other components that support the growth and maintenance of various cell types in in vitro cell culture applications.
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DMEM (Dulbecco's Modified Eagle's Medium) is a cell culture medium formulated to support the growth and maintenance of a variety of cell types, including mammalian cells. It provides essential nutrients, amino acids, vitamins, and other components necessary for cell proliferation and survival in an in vitro environment.
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Penicillin/streptomycin is a commonly used antibiotic solution for cell culture applications. It contains a combination of penicillin and streptomycin, which are broad-spectrum antibiotics that inhibit the growth of both Gram-positive and Gram-negative bacteria.
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Penicillin is a type of antibiotic used in laboratory settings. It is a broad-spectrum antimicrobial agent effective against a variety of bacteria. Penicillin functions by disrupting the bacterial cell wall, leading to cell death.
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Streptomycin is a broad-spectrum antibiotic used in laboratory settings. It functions as a protein synthesis inhibitor, targeting the 30S subunit of bacterial ribosomes, which plays a crucial role in the translation of genetic information into proteins. Streptomycin is commonly used in microbiological research and applications that require selective inhibition of bacterial growth.
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FBS, or Fetal Bovine Serum, is a commonly used cell culture supplement. It is derived from the blood of bovine fetuses and provides essential growth factors, hormones, and other nutrients to support the growth and proliferation of a wide range of cell types in vitro.
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Penicillin is a type of antibacterial drug that is widely used in medical and laboratory settings. It is a naturally occurring substance produced by certain fungi, and it is effective against a variety of bacterial infections. Penicillin works by inhibiting the growth and reproduction of bacteria, making it a valuable tool for researchers and medical professionals.
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Streptomycin is a laboratory product manufactured by Merck Group. It is an antibiotic used in research applications.
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DMEM (Dulbecco's Modified Eagle's Medium) is a commonly used cell culture medium formulated to support the growth and maintenance of various cell lines. It provides a balanced salt solution and essential nutrients required for cell proliferation. DMEM is suitable for use in a wide range of cell culture applications.
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Collagenase type I is an enzyme used in laboratory settings to break down collagen, a structural protein found in various tissues. It is commonly used in cell isolation and tissue dissociation procedures.
More about "Tissue Culture Techniques"
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Whether you're working with primary cells, immortalized cell lines, or stem cells, PubCompare.ai can help you navigate the complex landscape of cell culture techniques and optimize your experimental setup.
Explore the latest advances in fetal bovine serum (FBS), Dulbecco's Modified Eagle Medium (DMEM), and antimicrobial agents like penicillin and streptomycin.
Discover how to effectively use enzymes like collagenase type I for cell dissociation and passaging.
Stay ahead of the curve by accessing a wealth of information on cell culture best practices, troubleshooting, and emerging technologies.
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Easily locate and compare protocols from literature, preprints, and patents to identify the best cell culture media, growth factors, and methods for your research.
Leverage AI-driven comparisons to streamline your workflow and achieve better, more consistent results.
Experience the transformative potential of PubCompare.ai and take your cell culture studies to new heights.
Whether you're working with primary cells, immortalized cell lines, or stem cells, PubCompare.ai can help you navigate the complex landscape of cell culture techniques and optimize your experimental setup.
Explore the latest advances in fetal bovine serum (FBS), Dulbecco's Modified Eagle Medium (DMEM), and antimicrobial agents like penicillin and streptomycin.
Discover how to effectively use enzymes like collagenase type I for cell dissociation and passaging.
Stay ahead of the curve by accessing a wealth of information on cell culture best practices, troubleshooting, and emerging technologies.
Empower your research with the seamless integration of AI-driven insights.
Streamline your literature searches, compare protocols side-by-side, and identify the optimal conditions for your cell culture experiments.
Experience the power of PubCompare.ai and unlock new possibilities in tissue culture techniques today.