Cell Injection Technique
Cell Injection Technique - Related Videos
07:34
Minimally-invasive Technique for Injection into Rat Optic Nerve
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Cited by 4 •
2015
Direct injection into the rat optic nerve is useful for regenerative research. We demonstrate a minimally-invasive technique for direct injection into a rat optic nerve that does not involve opening the skull. Using this method, surgical complications are minimized and recovery is more rapid.
04:08
Intracecal Tumor Cell Injection: A Technique to Deliver Cancer Cells for Establishing Orthotopic Colorectal Cancer Mouse Model
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2023
The video describes the technique for intracecal injection of cancerous cells to develop an orthotopic mouse model with highly uniform tumors. Therefore, the orthotopic mouse model allows realistic simulation of metastasis, providing a valuable tool to study the phenotype changes during tumor growth and dissemination.
03:15
A Hypertonic Saline Injection Technique for Inducing Glaucoma in Rats
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2025
This video demonstrates glaucoma induction in an anesthetized rat by injecting hypertonic saline into the episcleral vein. The saline enters the trabecular meshwork via Schlemm's canal, causing tissue scarring, which blocks aqueous humor outflow and raises intraocular pressure. The elevated pressure damages retinal ganglion cells, leading to glaucoma.
03:36
Hydrodynamic Renal Pelvis Injection: A Technique to Directly Deliver DNA into Kidney Cells of Murine Model
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2023
In this video, we present the protocol for hydrodynamic injection of plasmids into the renal pelvis of the mouse kidney for nucleic acid transfection. This technique allows organ-specific delivery of plasmids by utilizing the principle of high hydrostatic pressure, which forcefully drives the plasmids into the specific site without causing tissue injury.
09:08
Facilitating Repeat Intracarotid Injections in Mouse Models by a Novel Injection Site Repair Technique
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Cited by 1 •
2024
Repair of the intracarotid artery in a mouse model after injection returns blood flow to the artery without negatively impacting the distribution of the injected material. Injection site repair facilitates subsequent injections through the same artery and prevents cerebral ischemia in mouse strains that lack a complete Circle of Willis.
FAQs
These variables determine where the cell suspension is deposited and how it distributes within the selected tissue or body compartment. Depth affects targeting, while volume and pressure influence placement at the intended site. Managing them consistently helps limit variation between injections, supports accurate biological interpretation, and improves the reproducibility of therapeutic or experimental outcomes.
Living cells must remain viable so they can respond to the surrounding microenvironment or contribute to a treatment objective. Delivery conditions that compromise viability may reduce the biological effect even when the target site is reached accurately. Monitoring viability therefore links the technical quality of administration with the potential success of transplantation, repair, or disease-modeling studies.
After delivery, injected cells interact with the tissue or compartment around them, and that interaction can influence the observed biological response. Accurate placement provides access to the intended microenvironment, but survival and therapeutic potential still depend on how the cells function within it. This makes site selection and controlled delivery important parts of interpreting treatment or research results.
Standardized procedures keep important delivery conditions consistent, including the target location, injection depth, volume, pressure, and handling of the cell suspension. Consistency allows researchers to distinguish biological effects from technical variation. In medicine and regenerative research, this improves reproducibility and strengthens evaluation of safety, therapeutic potential, and differences between experimental conditions.
A typical workflow identifies the intended tissue, organ, or body compartment, prepares a controlled suspension of living cells, selects an appropriate delivery device, and places the suspension at a defined site. The procedure then requires attention to depth, volume, pressure, and cell viability. These coordinated steps support accurate targeting and make outcomes easier to evaluate.
The source material identifies needles, catheters, and other delivery devices as options for placing cells at a selected site. The choice is therefore connected to the target tissue, organ, or body compartment and the need for controlled placement. Regardless of device, researchers or clinicians must manage delivery conditions so the intended location and cell viability are maintained.
Applications include cell-based therapies, transplantation research, tissue repair, and disease modeling. In treatment-oriented work, the goal is to deliver cells where they may support repair or another therapeutic response. In research, controlled placement helps investigators study biological responses and assess how cell survival and tissue interaction affect the promise of regenerative approaches.
Evaluation can address whether cells reached the intended site, remained viable, and interacted with the surrounding microenvironment. Studies may also examine the resulting biological response, therapeutic potential, or safety. Using standardized delivery conditions helps relate these outcomes to the intervention itself rather than to inconsistent depth, volume, pressure, or placement.