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[Establishment and characterization of ATLV-producing cell lines]
Gan to Kagaku Ryoho. Cancer & Chemotherapy
|February 1, 1983
Summary
This study introduces a novel mixed lymphocyte culture technique to isolate adult T-cell leukemia virus (ATLV) from healthy carriers. The method successfully established lymphoid cell lines, demonstrating its efficacy in ATLV research.
Area of Science:
- Virology
- Immunology
- Cell Biology
Context:
- Adult T-cell leukemia (ATL) is associated with the Human T-lymphotropic virus type 1 (HTLV-1), also known as Adult T-cell leukemia virus (ATLV).
- Identifying and isolating ATLV from carriers is crucial for understanding disease transmission and developing interventions.
- Previous methods for ATLV isolation can be complex and time-consuming.
Purpose:
- To develop a simplified and effective method for isolating ATLV from healthy carriers using mixed lymphocyte cultures.
- To characterize the established lymphoid cell lines derived from co-cultivation.
- To demonstrate the utility of this technique for ATLV research.
Summary:
- Peripheral blood lymphocytes from a Japanese monkey (Macaca fuscata) were co-cultivated with irradiated MT-2 cells carrying ATLV, leading to the establishment of the Si-1 lymphoid cell line.
- Co-cultivation of peripheral blood lymphocytes from healthy adults (both anti-ATLA positive and negative) with MT-2 cells resulted in three new lymphoid cell lines.
- All established cell lines (Si-1 and the three from human donors) were confirmed to be ATLV-positive and exhibited specific cell surface markers (ATLA+, OKI1+).
Impact:
- This mixed lymphocyte culture technique offers a straightforward approach for isolating ATLV from healthy individuals.
- The established lymphoid cell lines serve as valuable tools for further research into ATLV biology and ATL pathogenesis.
- Facilitates the study of ATLV in asymptomatic carriers, potentially improving disease surveillance and prevention strategies.