Primary Culture of Dental Pulp Stem Cells

Ajay Kumar; Shalini Raik; Prakshi Sharma; Vidya Rattan; Shalmoli Bhattacharyya

doi:10.3791/65223

Первичная культура стволовых клеток пульпы зуба

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JoVE Journal Biology

Primary Culture of Dental Pulp Stem Cells

Первичная культура стволовых клеток пульпы зуба

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03:45 min

May 5, 2023

DOI: 10.3791/65223-v

Ajay Kumar*¹, Shalini Raik*¹, Prakshi Sharma¹, Vidya Rattan², Shalmoli Bhattacharyya¹

¹Department of Biophysics,PGIMER, ²Unit of Oral and Maxillofacial Surgery, Department of Oral Health Sciences,PGIMER

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Overview

This study details the establishment of primary cultures of dental pulp stem cells (DPCs) using the explant culture method, aiming to understand the cellular and molecular mechanisms behind tissue regeneration. The research highlights the potential of these cells in developing novel therapies for conditions such as bone defects and dental regenerative applications.

Key Study Components

Research Area

Tissue regeneration
Stem cell isolation and characterization
Regenerative medicine

Background

The importance of dental pulp stem cells in regenerative therapies
Existing limitations of enzymatic isolation methods
Need for more effective culture techniques to improve cell homogeneity

Methods Used

Explant culture method for isolating DPCs
Dental pulp as the biological system
Techniques such as next-gen sequencing and RNA sequencing

Main Results

Successful isolation of a homogeneous population of DPCs
Characterization of cellular morphology during culture development
Potential implications for personalized medicine and treatments for bone regeneration

Conclusions

The study demonstrates an effective methodology for isolating DPCs which can advance tissue regeneration research.
This work has significant implications for regenerative medicine, particularly in craniofacial and bone reconstruction.

Frequently Asked Questions

What are dental pulp stem cells?

Dental pulp stem cells are a type of mesenchymal stem cell derived from the dental pulp, capable of differentiating into various cell types and playing a vital role in tissue regeneration.

How does the explant culture method work?

The explant culture method involves placing small pieces of tissue in a culture medium, allowing them to adhere and proliferate, thereby isolating the desired stem cells.

What are the primary applications of DPCs?

DPCs can be used in regenerative therapies for dental issues, bone defects, and potentially in neuroregeneration and other disease models.

What technologies were used in this research?

The study utilized advanced techniques like next-gen sequencing and RNA sequencing to explore molecular mechanisms and cellular processes.

What significance does this research have for regenerative medicine?

This research provides insights into effective isolation and application of DPCs, thereby paving the way for novel therapies in regenerative medicine.

How does this study differentiate between cell types?

The explant method allows for efficient harvesting of DPCs while minimizing contamination from other cell types, such as endothelial and pericyte cells.

What challenges exist in DPC isolation?

Enzymatic methods can yield mixed cell populations, while the explant method aims to produce a homogeneous stem cell population for further applications.

В этой статье представлено пошаговое руководство по созданию первичной культуры стволовых клеток пульпы зубов с использованием метода культивирования эксплантов и характеристике этих клеток на основе рекомендаций ICSCRT. Клетки, выделенные по этому протоколу, можно рассматривать как мезенхимальные стволовые клетки для дальнейшего применения.

Мы исследуем потенциал DPSC в клеточных и бесклеточных приложениях для моделей заболеваний, изучая клеточные и молекулярные механизмы, участвующие в регенерации тканей. Кроме того, мы изучаем роль секреторных факторов, полученных из стволовых клеток, в контроле судьбы стволовых клеток и содействии регенерации тканей. В настоящее время мы сосредоточены на использовании методов 3D-культивирования для более глубокого понимания молекулярных механизмов, генетических и эпигенетических изменений, связанных с регенерацией тканей.

Мы внедряем передовые методы, такие как секвенирование нового поколения, секвенирование РНК и секвенирование чипов, чтобы раскрыть регуляторные домены, управляющие различными клеточными процессами. Используя методы экспланта для выделения DPSC, можно эффективно собрать однородную популяцию стволовых клеток, свободную от других клеток, таких как эндотелиальные и перициты. Эти типы клеток остаются в клеточной культуре при создании DPSC с помощью ферментативных процедур.

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