T-cell receptor excision circles (TRECs) are small circles of DNA created in T-cells during their passage through the thymus as they rearrange their TCR genes. Their presence indicates maturation of T cells;TRECs are reduced in SCID (Severe combined immunodeficiency disease). Signal joint T-cell receptor excision circles (sjTRECs) might be used as a way to test the age of the individual from a blood sample. The detection of sjTRECs can be further used as a diagnostic tool to monitor the thymic output (e.g., following hematopoietic stem cell transplantation or in cases of AIDS).
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| - TRECs (pt)
- T-cell receptor excision circles (en)
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| - T-cell receptor excision circles (TRECs) are small circles of DNA created in T-cells during their passage through the thymus as they rearrange their TCR genes. Their presence indicates maturation of T cells;TRECs are reduced in SCID (Severe combined immunodeficiency disease). Signal joint T-cell receptor excision circles (sjTRECs) might be used as a way to test the age of the individual from a blood sample. The detection of sjTRECs can be further used as a diagnostic tool to monitor the thymic output (e.g., following hematopoietic stem cell transplantation or in cases of AIDS). (en)
- Os círculos de excisão do receptor de célula T, ou TRECs( do inglês, T-cell receptor excision circles) são pequenos círculos de DNA criados em células T em sua passagem pelo timo, conforme rearranjam os genes do TCR. Sua presença indica a maturação de células T, sendo assim, os TRECs encontram-se reduzidos nos casos de SCID (Imunodefidiência Severa e Combinada). (pt)
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| - T-cell receptor excision circles (TRECs) are small circles of DNA created in T-cells during their passage through the thymus as they rearrange their TCR genes. Their presence indicates maturation of T cells;TRECs are reduced in SCID (Severe combined immunodeficiency disease). Signal joint T-cell receptor excision circles (sjTRECs) might be used as a way to test the age of the individual from a blood sample. The detection of sjTRECs can be further used as a diagnostic tool to monitor the thymic output (e.g., following hematopoietic stem cell transplantation or in cases of AIDS). (en)
- Os círculos de excisão do receptor de célula T, ou TRECs( do inglês, T-cell receptor excision circles) são pequenos círculos de DNA criados em células T em sua passagem pelo timo, conforme rearranjam os genes do TCR. Sua presença indica a maturação de células T, sendo assim, os TRECs encontram-se reduzidos nos casos de SCID (Imunodefidiência Severa e Combinada). Os círculos de excisão do receptor de célula T de juñção única (sjTRECs) apareceram nas notícias como um modo de inferir a idade de um indivíduo a partir de uma amostra sanguínea. A detecção de sjTREC pode também ser usada como ferrramenta diagnóstica para monitorar o débito do timo (por exemplo, após transplante de células tronco hematopoiéticas ou em casos de AIDS). (pt)
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