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Down-regulation of the CD3-? chain in sentinel node biopsies from breast cancer patients
Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för biomedicin och kirurgi, Onkologi. Östergötlands Läns Landsting, Kirurgi- och onkologicentrum, Onkologiska kliniken US.
Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för nervsystem och rörelseorgan, Patologi. Östergötlands Läns Landsting, Laboratoriemedicinskt centrum, Klinisk patologi och klinisk genetik.
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2002 (engelsk)Inngår i: Breast Cancer Research and Treatment, ISSN 0167-6806, E-ISSN 1573-7217, Vol. 74, nr 1, s. 33-40Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Background. In several neoplastic diseases, immunosuppression has been shown to correlate with disease stage, progression, and outcome. As the prognosis for metastatic breast cancer is still pessimistic, additional strategies are being sought to improve survival. Local immunosuppression in sentinel node biopsies from 24 evaluable breast cancer patients was studied as a possible way of selecting patients for immunotherapy. Method. Sentinel node biopsy was performed in 24 out of 25 women operated on for primary breast cancer (one was not evaluable). Specimens were snap-frozen and double-stained for the ?-chain of the T-cell receptor. The degree of down-regulation of the ?-chain was evaluated in three different lymph-node areas: primary follicles, secondary follicles, and paracortex. Results. Down-regulation of varying degrees was noted in all 24 sentinel node biopsies. A high degree of down-regulation (more than 50% of T-cells not expressing ?-chain) was seen in the primary follicles in six patients (25%), in the secondary follicles in 13 patients (72%), and in the paracortex in 19 patients (79%). Conclusion. Local down-regulation of an immune function parameter was seen in sentinel node biopsies from breast cancer patients. In addition to possible prognostic implications, the sentinel node might be an appropriate location for detecting early-stage immunological down-regulation, which might open a possibility of selecting patients who could benefit from immunotherapy.

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2002. Vol. 74, nr 1, s. 33-40
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URN: urn:nbn:se:liu:diva-25091DOI: 10.1023/A:1016009913699Lokal ID: 9523OAI: oai:DiVA.org:liu-25091DiVA, id: diva2:245417
Tilgjengelig fra: 2009-10-07 Laget: 2009-10-07 Sist oppdatert: 2017-12-13

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