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Primary Cell Customization ServiceIntroduction

KMD Bioscience has been engaged in cellular research for many years and is equipped with a team of experienced technical experts. We provide high-quality primary cells and customized services to support a wide range of customer research projects. Primary cells are isolated directly from human or animal tissues using enzymatic or mechanical methods. Although they exhibit limited proliferative capacity and have a finite lifespan, primary cells offer distinct advantages over established cell lines. For example, they retain unaltered genetic material and maintain biological characteristics that closely resemble those of in vivo cells, making them especially suitable for studies related to gene expression. In general, primary cells refer to cells in their initial passage up to the 10th passage in culture.

Primary cells are widely used in basic research across molecular biology, cell biology, and biomedical sciences. They also serve as critical tools in downstream applications such as disease modeling, drug development, cell therapy, and organ culture. We supply cryopreserved or freshly isolated primary cells, either adherent or suspension, from humans and a variety of animal species. Cell types include epithelial cells, neuronal cells, immune cells, and more. Our offerings support research across numerous disciplines. For example, we provide primary cells specifically suitable for in vitro studies of COVID-19, aiding customers in drug screening and pathogenic mechanism research. All our primary cell sources are ethically obtained and fully traceable.

Primary Cells vs. Immortalized Cells

Immortalized cells are widely used in cell-based studies due to their ease of culture, diversity, low cost, and high yield. However, prolonged passaging can lead to genotypic and phenotypic alterations, compromising the authenticity of experimental results. Additionally, immortalized cell lines often diverge from the biological characteristics of in vivo cells, limiting their ability to accurately replicate physiological or pathological processes. In contrast, primary cells, which more closely mimic the in vivo environment, are free from these issues and offer more biologically relevant results.


Features

Primary cells

Immortalized cells 

Definition

Cells directly isolated from human or animal tissues using enzymatic or mechanical methods.

Animal cells that have lost their division limit and DNA damage checkpoint mechanisms—due to viral infection, transfection with heterologous genetic material, radiation, or chemical treatment—resulting in unlimited proliferative capacity.

Proliferative capacity

Weak

Strong

Number of Passage

1-10 passages

Around 50 passages or more

Genetic Characteristics

Unaltered

Altered

Biological Characteristics

Closely resemble the biological characteristics of in vivo cells.

Diverge progressively with increasing passages.

Culture Conditions

More demanding

Relatively simple


The content of primary cell customization services

--Customization of various cell types from different species.

--Multiple cell types from the same species.

--Isolation of specific cell subpopulations.

--Primary cell banking.


In addition, we can store specific vials of cells (e.g., particular batches or customized formats) in our inventory for you.

Primary Cell Customization Service Process

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Delivery content

-- One primary cell culture flask or two primary cell culture tubes.

-- One complete experimental report (including procedures and results).

Advantages of Custom Primary Cell Services

-- A fully equipped and advanced experimental platform to meet the requirements of primary cell customization services.

-- Ensured proper isolation, purification, subculturing, and growth of primary cells from human and animal sources.

-- A wide variety of primary cell options (including cryopreserved cells).

-- Extensive cell culture experience, with low passage numbers, good cell status, and no contamination.

-- Identification options available via flow cytometry, immunocytochemistry, and other methods.

Primary Cell Customization Service Description

-- Clearly describe the tissues used for primary cell culture and specify whether the tissue is provided by the customer or by our company.

-- Provide available culture conditions for the primary cells whenever possible, or have our company determine the appropriate culture conditions.

-- For some commonly used tissues for primary cell culture, due to the challenges of preservation and transportation that may reduce culture success rates, customers are advised to use tissues provided by our company.

Experimental Case

Mouse auditory neuron cells and immunofluorescence identification.

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Technical Resources

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