Publications by authors named "Lin-Lin Bu"

Objectives: Ferroptosis and cuproptosis can be summarized as metal-dependent cell death. This study aimed to explore the expression of metal-dependent cell death resistance (MCDR) characteristics in tumor cells of oral squamous cell carcinoma (OSCC) and to explore its relationship with lymph node metastasis (LNM).

Methods: By integrating single-cell data of OSCC from public databases, an expression matrix comprising 127,149 cells was constructed.

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Lymph node metastasis is an important biological feature of oral squamous cell carcinoma, bearing poorly prognostic implications. However, the role of lymph node metastasis in cancer progression remains inconclusive. On the one hand, lymph nodes are pivotal sites for initiating specific immunity, which is crucial for maintaining antitumor immune response.

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Immunotherapy has improved the survival rate of patients with head and neck squamous cell carcinoma (HNSCC), but less than 20 % of them have a durable response to these treatments. Excessive local recurrence and lymph node metastasis ultimately lead to death, making the 5-year survival rate of HNSCC still not optimistic. Cell metabolism has become a key determinant of the viability and function of cancer cells and immune cells.

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Background: Since its first application in 1978, the vascularized free iliac flap (VFIF) has gradually become a mainstay for tissue defect reconstruction. However, the complications associated with harvesting the bone flap and its corresponding reconstruction surgery cannot be overlooked.

Methods: We conducted a narrative review through literature search to identify the types, incidence, influencing factors, measurement methods, and treatment approaches of complications related to DCIA-related VFIF.

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In recent years, there has been a growing interest in liquid biopsy due to its non-invasive diagnostic value. Postoperative drainage fluid (PDF) is the fluid exudate from the wound site following lymph node dissection. PDF is regarded as a medical waste with no specific clinical significance.

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Lymph node metastasis (LNM) is often regarded as an indicator of poor prognosis in various cancers. Despite over three centuries of exploration since its discovery, the molecular mechanisms underlying LNM remain inconclusive. This review summarizes the molecular mechanisms of LNM, using the "PUMP+" principle for clarification.

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Oral squamous cell carcinoma (OSCC) often exhibits a propensity for metastasis to lymph nodes (LNs), significantly influencing prognosis. Neck dissection (ND) is an important part in the treatment of OSCC. Variations in the preference for and pathways of lymph node metastasis (LNM) in different regions of the oral cavity have been observed.

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Lymph node metastasis (LNM) is a typical marker in oral squamous cell carcinoma (OSCC) indicating poor prognosis. Pathological examination by artificial image acquisition and analysis, as the main diagnostic method for LNM, often takes a week or longer which may cause great anxiety of the patient and also retard timely treatment. However, there are few efficient fast LNM diagnosis methods in clinical applications currently.

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Dental, oral, and craniofacial diseases can substantially impact the quality of human life, thereby posing a serious public health concern. Although conventional therapies such as surgery have solved these problems largely, the prognosis of patients is not always satisfactory. Cell membrane-coated nanoparticles (CMCNPs) carry nanodrugs with the help of natural cell membranes, therefore utilizing their remarkable ability to interface and interact with their surrounding environment.

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Objectives: This study aimed to investigate the expression and biological significance of Semenogelin 1 (SEMG1), a member of the cancer-testis antigen family, in oral squamous cell carcinoma (OSCC). Further, we explored its potential association with metabolism-related molecules.

Methods: SEMG1 expression levels in OSCC were determined through immunohistochemistry, flow cytometry, and Western blot analyses.

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Article Synopsis
  • Neck dissection is a common treatment for oral squamous cell carcinoma (OSCC), but it can lead to complications that affect patient quality of life and immune response.
  • This study analyzed literature on lymph node metastasis (LNM) in OSCC, identifying 17 relevant studies and calculating LNM frequencies across different neck levels.
  • The findings suggest low LNM frequencies at certain levels and indicate that more conservative treatment approaches could be beneficial, helping doctors optimize surgical decisions while preserving lymph nodes.
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Head and neck squamous cell carcinoma (HNSCC) constitutes a significant global cancer burden, given its high prevalence and associated mortality. Despite substantial progress in survival rates due to the enhanced multidisciplinary approach to treatment, these methods often lead to severe tissue damage, compromised function, and potential toxicity. Thus, there is an imperative need for novel, effective, and minimally damaging treatment modalities.

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Head and neck squamous cell carcinoma (HNSCC), a prevalent and frequently recurring malignancy, often necessitates surgical intervention. The surgical margin (SM) plays a pivotal role in determining the postoperative treatment strategy and prognostic evaluation of HNSCC. Nonetheless, the process of clinical appraisal and assessment of the SMs remains a complex and indeterminate endeavor, thereby leading to potential difficulties for surgeons in defining the extent of resection.

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Article Synopsis
  • mRNA vaccines show high effectiveness against COVID-19 and potential for treating various cancers, but the understanding of key components like adjuvants is still limited.
  • The development of adjuvants is in early stages, and current adjuvant platforms and drug delivery systems (DDS) may need a new definition due to their novel immunostimulatory properties.
  • The review highlights challenges in using cancer mRNA vaccine adjuvants, including immune-related side effects and effectiveness in older adults, and suggests strategies to enhance their design and application.
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The study by Rahim et al., focusing on preoperative immunotherapy, highlights the pivotal role of CD8 T cells within lymph nodes in response to neoadjuvant immunotherapy, suggesting that preserving lymph node integrity could bolster the treatment's efficacy by activating antitumor T cells. This underlines the importance of lymph node preservation and supports the use of immunotherapy as a neoadjuvant approach in cancer treatment.

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Background: An urgent need exists for innovative surgical video recording techniques in head and neck reconstructive surgeries, particularly in low- and middle-income countries where a surge in surgical procedures necessitates more skilled surgeons. This demand, significantly intensified by the COVID-19 pandemic, highlights the critical role of surgical videos in medical education. We aimed to identify a straightforward, high-quality approach to recording surgical videos at a low economic cost in the operating room, thereby contributing to enhanced patient care.

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The signal transducer and activator of transcription 3 (STAT3), a member of the STAT family, resides in the nucleus to regulate genes essential for vital cellular functions, including survival, proliferation, self-renewal, angiogenesis, and immune response. However, continuous STAT3 activation in tumor cells promotes their initiation, progression, and metastasis, rendering STAT3 pathway inhibitors a promising avenue for cancer therapy. Nonetheless, these inhibitors frequently encounter challenges such as cytotoxicity and suboptimal biocompatibility in clinical trials.

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Article Synopsis
  • * In a study with 40 participants, the PRI-E method was evaluated against the traditional LBL method, showing higher satisfaction and engagement among students while maintaining similar academic performance.
  • * Although implementing the PRI-E model required more time, it offered better organization and improved ability development, making it a promising alternative to traditional teaching methods.
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Article Synopsis
  • * Traditional imaging methods still have drawbacks, but controlled drug delivery systems (DDSs) show promise in improving these issues and enhancing diagnostic accuracy.
  • * The review discusses the history of lymph node imaging, highlights commonly used DDSs with various imaging techniques, and explores future applications and developments in this field.
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Lymph node dissection has been a long-standing diagnostic and therapeutic strategy for metastatic cancers. However, questions over myriad related complications and survival outcomes are continuously debated. Immunotherapy, particularly neoadjuvant immunotherapy, has revolutionized the conventional paradigm of cancer treatment, yet has benefited only a fraction of patients.

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Immunotherapy has emerged as a potent strategy in cancer treatment, with many approved drugs and modalities in the development stages. Despite its promise, immunotherapy is not without its limitations, including side effects and suboptimal efficacy. Using nanoparticles (NPs) as delivery vehicles to target immunotherapy to lymph nodes (LNs) can improve the efficacy of immunotherapy drugs and reduce side effects in patients.

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Background And Objectives: The resorption of flap's volume can be frequently observed in the transplantation of microvascular free flaps, which could significantly affect postoperative function. Therefore, it's essential to comprehend the postoperative flap volume and the mechanisms behind before making clinical decisions.

Methods: Literature search was conducted from database on PubMed, EMBASE, Cochrane Library, Chinese database and Google Scholar.

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Lymph node metastasis (LNM) significantly impacts the prognosis of cancer patients. Despite significant advancements in diagnostic techniques and treatment modalities, clinical challenges continue to persist in the realm of LNM. These include difficulties in early diagnosis, limited treatment efficacy, and potential side effects and injuries associated with treatment.

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