Lymphocytic Host Response to Oral Squamous Cell Carcinoma: An Adaptive T-Cell Response at the Tumor Interface

Sara Maleki, Nicolas F. Schlecht, Christian Keller, Janice Diaz, Jason Moss, Michael B. Prystowsky, Fernando Macian-Juan, Margaret Brandwein-Gensler

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Lymphocytic host response (LHR) in the Risk Model is histologically quantified as the density of lymphocytes at the tumor interface (Brandwein-Gensler in Am J Surg Pathol, 34:676-688, 1; in, Am J Surg Pathol 29:167-178, 2). It is classified as strong, intermediate or weak, and is inversely associated with the risk of decreased time to disease progression. In this study, we test the hypothesis that strong LHR corresponds to a greater degree of adaptive cytotoxic T cell response as compared to moderate LHR. We studied resection specimens of primary oral squamous carcinoma classified as having either strong (n = 16), intermediate (n = 20) or weak (n = 4) LHR. CD20+, CD4+, & CD8+ cells were detected by immunohistochemistry and quantified at 40× with a grid; counting the 10 fields with the most lymphocytes at the tumor interface and within tumors. Mean counts/tumor were analyzed by the 2-sided T-test. Statistically significant differences were observed for interface CD8 cells with respect to strong versus moderate LHR, strong versus weak LHR, and moderate versus weak LHR, and tumor infiltrating CD8 cells with respect to strong versus weak LHR. Statistically significant differences were also observed for interface CD4 cells with respect to strong versus weak LHR, and moderate versus weak LHR. Statistically significant differences in interface B cell counts were seen with respect to strong versus weak LHR, and moderate versus weak LHR. Decreased CD8+ T cells were significantly associated with higher stage at presentation (P = 0. 005); a direct, but nonsignificant correlation was seen between decreased CD8+ T cells and decreased survival time. Immune response at the tumor interface correlates with an adaptive T cell response; the degree of cytotoxic CD8+ cells infiltrate can distinguish between strong and intermediate LHR at the interface of oral carcinomas.

Original languageEnglish (US)
Pages (from-to)117-122
Number of pages6
JournalHead and Neck Pathology
Volume5
Issue number2
DOIs
StatePublished - Jun 2011
Externally publishedYes

Fingerprint

Squamous Cell Carcinoma
T-Lymphocytes
Neoplasms
Lymphocytes
Disease Progression
Cell Survival
B-Lymphocytes
Cell Count
Immunohistochemistry
Carcinoma

Keywords

  • Cytotoxic CD8+ T-cells
  • Lymphocytic host response
  • Oral
  • Risk model
  • Squamous cell carcinoma

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Oncology
  • Otorhinolaryngology

Cite this

Lymphocytic Host Response to Oral Squamous Cell Carcinoma : An Adaptive T-Cell Response at the Tumor Interface. / Maleki, Sara; Schlecht, Nicolas F.; Keller, Christian; Diaz, Janice; Moss, Jason; Prystowsky, Michael B.; Macian-Juan, Fernando; Brandwein-Gensler, Margaret.

In: Head and Neck Pathology, Vol. 5, No. 2, 06.2011, p. 117-122.

Research output: Contribution to journalArticle

Maleki, Sara ; Schlecht, Nicolas F. ; Keller, Christian ; Diaz, Janice ; Moss, Jason ; Prystowsky, Michael B. ; Macian-Juan, Fernando ; Brandwein-Gensler, Margaret. / Lymphocytic Host Response to Oral Squamous Cell Carcinoma : An Adaptive T-Cell Response at the Tumor Interface. In: Head and Neck Pathology. 2011 ; Vol. 5, No. 2. pp. 117-122.
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