Lung cancer stands as a major contributor to cancer-related fatalities globally, with cigarette smoke playing a pivotal role in its development and metastasis. Cigarette smoke is also recognized as a risk factor for bone loss disorders like osteoporosis. However, the association between cigarette smoke and another bone loss disorder, lung cancer osteolytic bone metastasis, remains largely uncertain. Our Gene Set Enrichment Analysis (GSEA) indicated that smokers among lung cancer patients exhibited higher expression levels of bone turnover gene sets. Both The Cancer Genome Atlas (TCGA) database and our clinic samples demonstrated elevated expression of the osteolytic factor IL-6 in ever-smokers with bone metastasis among lung cancer patients. Our cellular experiments revealed that benzo[α]pyrene (B[α]P) and cigarette smoke extract (CSE) promoted IL-6 production and cell migration in lung cancer. Activation of the PI3K, Akt, and NF-κB signaling pathways was involved in cigarette smoke-augmented IL-6-dependent migration. Additionally, cigarette smoke lung cancer-secreted IL-6 promoted osteoclast formation. Importantly, blocking IL-6 abolished cigarette smoke-facilitated lung cancer osteolytic bone metastasis . Our findings provide evidence that cigarette smoke is a risk factor for osteolytic bone metastasis. Thus, inhibiting IL-6 may be a valuable therapeutic strategy for managing osteolytic bone metastasis in lung cancer patients who smoke.
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http://dx.doi.org/10.7150/ijbs.94339 | DOI Listing |
Cytotechnology
February 2025
Department of Pharmacy, Wuhan Fourth Hospital, No. 473 Hanzheng Street, Qiaokou District, Wuhan, 430030 China.
Unlabelled: Osimertinib has been demonstrated to be effective for improving the prognosis of patients with epidermal growth factor receptor mutation-positive lung cancer. However, osimertinib resistance inevitably emerges throughout the treatment course. This study explored the function and mechanism of long noncoding RNA LINC01278 in osimertinib-resistant NSCLC cells.
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December 2024
Organ Transplantation Clinical Medical Center of Xiamen University, Department of Organ Transplantation, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, China.
A 13-year-old boy was admitted to Xiang'an Hospital of Xiamen University due to HBV-related liver cancer. Intrahepatic metastasis was considered to occur by CT scan. A gastroscope revealed esophagogastric variceal bleeding, and later, the patient underwent a successful liver transplantation.
View Article and Find Full Text PDFFront Oncol
December 2024
Department of Radiology, Huadong Hospital, Fudan University, Shanghai, China.
Background: This study aimed to develop and validate a multiregional radiomic-based composite model to predict symptomatic radiation pneumonitis (SRP) in non-small cell lung cancer (NSCLC) patients treated with stereotactic body radiation therapy (SBRT).
Materials And Methods: 189 patients from two institutions were allocated into training, internal validation and external testing cohorts. The associations between the SRP and clinic-dosimetric factors were analyzed using univariate and multivariate regression.
3 Biotech
January 2025
Department of Botany, Bharathiar University, Coimbatore, Tamil Nadu 641 046 India.
Unlabelled: This study investigated the anticancer phytocompounds in leaf extracts of Kunth. Quantitative analysis of the phytochemical composition showed high levels of primary metabolites: carbohydrates (45.11 ± 2.
View Article and Find Full Text PDFCase Rep Med
December 2024
Department of Otolaryngology, Head and Neck Surgery, Saint Louis University School of Medicine, St Louis, Missouri, USA.
Spread of Mycobacterium tuberculosis (MTB) to the larynx is exceedingly rare and can be obscured by more common conditions such as laryngeal cancer or oropharyngeal candidiasis, complicating an accurate diagnosis. Risk factors for chronic laryngeal disease, such as smoking and toxin exposure, place TB infection comparatively lower for consideration on a physician's differential. However, identifying these lesions is crucial from a medical and public health perspective to prevent community spread.
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