Quantitative lymphocyte alterations are frequent in patients with cancer, and strongly impact prognosis and survival. The development of cancers in immunosuppressed patients has demonstrated the contribution of different T cell populations, including CD4 cells, in the control of cancer occurrence.Whereas absolute numbers of neutrophils, platelets and red blood cells are routinely monitored in clinic following treatments, because of possible short-term complications, absolute lymphocyte counts (ALC), their subpopulations or diversity (phenotype, TCR) are rarely analyzed and never used to choose therapy or as prognostic criteria. The recent identification of immune checkpoint inhibitors (ICPi) as powerful therapeutic agents has revitalized immunotherapy of cancer in a broader group of diseases than anticipated. The status of the immune system is now recognized as an important biomarker for response to these novel treatments. Blood ALC values, along with tumor infiltration by CD8T cells, and ICPi and ICPi-ligand expression, are likely to be a potential marker of sensitivity to anti-ICPi therapy.In this article, we review the current knowledge on the incidence and significance of lymphopenia in cancer patients, and discuss therapeutic strategies to restore lymphocyte numbers.
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http://dx.doi.org/10.1186/s40425-019-0549-5 | DOI Listing |
Cell Rep
January 2025
School of Infection, Inflammation and Immunology, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK. Electronic address:
Interleukin (IL)-7 promotes T cell expansion during lymphopenia. We studied the metabolic basis in CD4 T cells, observing increased glucose usage for nucleotide synthesis and oxidation in the tricarboxylic acid (TCA) cycle. Unlike other TCA metabolites, glucose-derived citrate does not accumulate upon IL-7 exposure, indicating diversion into other processes.
View Article and Find Full Text PDFHematology
December 2025
Clinical Pharmacy Department, King Fahad Medical City, Riyadh, RH, Saudi Arabia.
Multiple Myeloma (MM) is a malignancy characterized by abnormal production of monoclonal immunoglobulins in plasma cells. Bispecific antibodies have emerged as a significant advancement in MM treatment, offering high effectiveness and specificity by targeting different antigens such as BCMA, CD38, and FcRH5. However, the risk of infection poses a major challenge in MM patients, which is thought to be influenced by various factors.
View Article and Find Full Text PDFRadiat Oncol
January 2025
Department of Radiation Oncology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200025, P.R. China.
Aim: To characterize the differences of dynamic changes for absolute lymphocyte count (ALC) among esophageal squamous cell carcinoma (ESCC) patients treated with neoadjuvant chemoradiotherapy (nCRT) with or without pembrolizumab, as well as to investigate the clinical and lymphocyte-related organs dosimetric parameters that would impact ALC nadir during nCRT.
Materials And Methods: A total of 216 ESCC patients who received nCRT (with pembrolizumab 144; without pembrolizumab: 72) were identified from a prospective cohort. Weekly and 1-month post-nCRT ALC were identified.
Medicina (Kaunas)
December 2024
Department of Medical Oncology, Faculty of Medicine, Koc University, 34450 Istanbul, Turkey.
: A high baseline neutrophil-to-lymphocyte ratio (NLR) is a poor prognostic factor in various cancers. However, its predictive role in metastatic bladder cancer (mBC) treated with immunotherapy is unclear. In this study, we aimed to investigate the relationship between the baseline and change in NLR and overall survival in mBC patients treated with immunotherapy, with the potential to significantly impact patient care.
View Article and Find Full Text PDFCancers (Basel)
December 2024
Department of Radiation Oncology, University of North Carolina, Chapel Hill, NC 27599, USA.
Radiotherapy (RT) is an integral component in the multidisciplinary management of patients with head and neck squamous cell carcinoma (HNSCC). Significant advances have been made toward optimizing tumor control and toxicity profiles of RT for HNSCC in the past two decades. The development of intensity modulated radiotherapy (IMRT) and concurrent chemotherapy established the standard of care for most patients with locally advanced HNSCC around the turn of the century.
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