Immune restoration in head and neck cancer patients after in vivo COX-2 inhibition.
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Immune restoration in head and neck cancer patients after in vivo COX-2 inhibition. / Lang, Stephan; Tiwari, Sanjay; Andratschke, Michaela; Loehr, Iren; Lauffer, Lina; Bergmann, Christoph; Mack, Brigitte; Lebeau, Annette; Moosmann, Andreas; Whiteside, Theresa L; Zeidler, Reinhard.
In: CANCER IMMUNOL IMMUN, Vol. 56, No. 10, 10, 2007, p. 1645-1652.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Immune restoration in head and neck cancer patients after in vivo COX-2 inhibition.
AU - Lang, Stephan
AU - Tiwari, Sanjay
AU - Andratschke, Michaela
AU - Loehr, Iren
AU - Lauffer, Lina
AU - Bergmann, Christoph
AU - Mack, Brigitte
AU - Lebeau, Annette
AU - Moosmann, Andreas
AU - Whiteside, Theresa L
AU - Zeidler, Reinhard
PY - 2007
Y1 - 2007
N2 - PURPOSE: To determine the immunomodulatory effects of in vivo COX-2 inhibition on leukocyte infiltration and function in patients with head and neck cancer. EXPERIMENTAL DESIGN: Patients with squamous cell carcinoma of the head and neck preoperatively received a specific COX-2 inhibitor (rofecoxib, 25 mg daily) orally for 3 weeks. Serum and tumor specimens were collected at the start of COX-2 inhibition (day 0) and again on the day of surgery (day 21). Adhesion to peripheral blood monocytes to ICAM-1 was examined. Percentages of tumor-infiltrating monocytes (CD68, CCR5) and lymphocytes (CCR5, CD4, CD8 and CD25) were determined by immunohistochemistry. RESULTS: Monocytes obtained from untreated cancer patients showed lower binding to ICAM-1 compared to monocytes of healthy donors but significantly regained adhesion affinity following incubation in sera of healthy donors. Conversely, sera of cancer patients inhibited adhesion of healthy donors' monocytes. Tumor monocyte adhesion to ICAM-1 was increased (P
AB - PURPOSE: To determine the immunomodulatory effects of in vivo COX-2 inhibition on leukocyte infiltration and function in patients with head and neck cancer. EXPERIMENTAL DESIGN: Patients with squamous cell carcinoma of the head and neck preoperatively received a specific COX-2 inhibitor (rofecoxib, 25 mg daily) orally for 3 weeks. Serum and tumor specimens were collected at the start of COX-2 inhibition (day 0) and again on the day of surgery (day 21). Adhesion to peripheral blood monocytes to ICAM-1 was examined. Percentages of tumor-infiltrating monocytes (CD68, CCR5) and lymphocytes (CCR5, CD4, CD8 and CD25) were determined by immunohistochemistry. RESULTS: Monocytes obtained from untreated cancer patients showed lower binding to ICAM-1 compared to monocytes of healthy donors but significantly regained adhesion affinity following incubation in sera of healthy donors. Conversely, sera of cancer patients inhibited adhesion of healthy donors' monocytes. Tumor monocyte adhesion to ICAM-1 was increased (P
M3 - SCORING: Zeitschriftenaufsatz
VL - 56
SP - 1645
EP - 1652
JO - CANCER IMMUNOL IMMUN
JF - CANCER IMMUNOL IMMUN
SN - 0340-7004
IS - 10
M1 - 10
ER -