ArticleZhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences2024
Expression and diagnostic value of serum free light chain in lung cancer.
Article in Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Immunoglobulin Free Light Chains as a Biomarker of Inflammation and Heart Failure in Myocarditis and Non-Inflammatory Heart Disease.Diagnostics (Basel, Switzerland) · 2025Article
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7 authors.
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Abstract
objectivesThe expression of serum free light chain (FLC) is abnormal in various diseases, but its role in lung cancer remains unclear. This study aims to investigate the expression and diagnostic value of serum FLC in lung cancer.
methodsA total of 80 lung cancer patients treated at Xiangdong Hospital, Hunan Normal University from January to December 2021 were selected as the lung cancer group. Another 80 healthy individuals undergoing routine physical examinations during the same period were chosen as the control group. General information and serum κFLC and λFLC levels were collected for all subjects. Clinical indicators such as serum carcinoembryonic antigen (CEA), cytokeratin fragment antigen 21-1 (CYFRA21-1) levels, tumor diameter, histological type, TNM stage, and lymph node metastasis status were recorded for lung cancer patients. The expression levels of serum FLC [κFLC, λFLC, and FLC (κ+λ)] were compared between the lung cancer group and the control group. Lung cancer patients were grouped based on gender, age, smoking history, tumor diameter, TNM stage, histological type, and lymph node metastasis to compare differences in serum κFLC and λFLC levels. Receiver operating characteristic (ROC) curves were used to evaluate the diagnostic value of serum FLC alone and in combination with other indicators in lung cancer.
resultsThe expression levels of serum FLC (κ+λ) and κFLC were significantly higher in the lung cancer group than those in the control group (both
conclusionsSerum FLC is highly expressed in lung cancer and is associated with its invasion and metastasis. Serum FLC, particularly κFLC, has diagnostic value for lung cancer, and the combined detection of FLC, CEA, and CYFRA21-1 offers the best diagnostic efficacy.
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