Publications by authors named "Pei-Ken Shang-Guan"

Food waste is a major problem faced by human beings. Acidogenic fermentation is an effective and feasible technology for resource recovery from food waste. The mixture of volatile fatty acids (VFAs) hinders the utilization of fermentation products.

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Background: The impact of postoperative sarcopenia on the Textbook Oncological Outcome (TOO) in locally advanced gastric cancer (LAGC) remains uncertain. This study investigates the relationship between sarcopenia and TOO, explores its long-term prognostic value, and develops a prognostic model incorporating sarcopenia and TOO for survival prediction.

Methods: We performed a retrospective analysis of clinical and pathological data from patients with LAGC who underwent radical surgery at two Chinese tertiary referral hospitals.

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Article Synopsis
  • 2-Decenoic acid is an important fatty acid used in pharmaceuticals and is now being produced more efficiently, but its production is hindered by oxidative stress from high concentrations of fatty acids.
  • Researchers improved production by redesigning the electron transport chain and reducing reactive oxygen species (ROS) levels through genetic modifications and inhibitors like rotenone.
  • The modified strain led to a 93.33% increase in -2-decenoic acid yield, achieving the highest reported yield of 1.45 g/L, demonstrating a successful approach to enhance fatty acid biosynthesis.
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Objective: This study is aimed to evaluate the efficacy and safety of PD-1 inhibitors combined with neoadjuvant chemotherapy in patients with locally advanced hypopharyngeal and oropharyngeal cancer prior to surgical resection.

Methods: This retrospective analysis included 42 patients diagnosed with locally advanced hypopharyngeal and oropharyngeal cancer. The efficacy, safety, survival, and laryngeal preservation rate were evaluated.

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Article Synopsis
  • Fat mass index (FMI) is an important measure of body fat that helps predict weight loss and quality of life after laparoscopic sleeve gastrectomy (LSG) in obese patients.
  • A study analyzed data from 243 patients and found that FMI was a more accurate predictor of early eligible weight loss (EEWL) compared to other body composition metrics, with a significant cut-off point established at 13.662.
  • Patients with lower FMI scores experienced greater weight loss and better quality of life outcomes, as indicated by higher BAROS scores, within the 24 months following surgery.
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Although copper (Cu) is an essential microelement for plant growth and development, excess Cu results in a dramatic reduction in crop yield and quality. In the present study, we report that rice germin-like protein 8-7 (OsGLP8-7) plays a crucial role against Cu toxicity. The results showed that the transcriptional expression of the OsGLP8-7 gene was remarkably upregulated in the root and leaf by Cu treatment.

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Objective: Textbook outcome (TO) is widely recognized as a comprehensive prognostic indication for patients with gastric cancer (GC). This study aims to develop a modified TO (mTO) for elderly patients with GC.

Methods: Data from the elderly patients (aged ≥ 65 years) in two Chinese tertiary referral hospitals were analyzed.

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Rationale: Mucinous liposarcoma myxoid liposarcoma is a malignant mucoid soft tissue tumor derived from undifferentiated stromal cells in perivascular, subbody cavity and intermuscular space, and composed of cells at different stages of differentiation from preadipocytes to mature cells. In rare cases, it may change from lipoma malignancy. The main manifestations is painless mass, relatively slow growth, the course can last decades, the prevalence of liposarcoma in the population is 14% to 18%, mainly in adults, male prevalence is higher than women, but not significant.

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Background: Cervical necrotizing fasciitis (CNF) is a life-threatening bacterial infection with a diagnostic challenge. Currently, there is insufficient evidence on the diagnostic accuracy of inflammatory indicators in CNF.

Objective: This study aims to identify key inflammatory indicators and assess their diagnostic accuracy for CNF.

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Background: Adjuvant chemotherapy following curative surgery for locally advanced gastric cancer (AGC) significantly improves long-term patient prognosis. However, delayed chemotherapy (DC), in which patients are unable to receive timely treatment, is a common phenomenon in clinical practice for various reasons. This study aimed to investigate the impact of DC on the prognosis of patients with stage II-III locally AGC and explore the associated risk factors.

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Post-hepatectomy liver failure (PHLF) is a potentially life-threatening complication following liver resection. Hepatocellular carcinoma (HCC) often occurs in patients with chronic liver disease, which increases the risk of PHLF. This study aimed to investigate the ability of the combination of liver function and fibrosis markers (ALBI score and FIB-4 index) to predict PHLF in patients with HCC.

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Background: Textbook outcome (TO) has been widely employed as a comprehensive indicator to assess the short-term prognosis of patients with cancer. Preoperative malnutrition is a potential risk factor for adverse surgical outcomes in patients with gastric cancer (GC). This study aimed to compare the TO between robotic-assisted gastrectomy (RAG) and laparoscopic-assisted gastrectomy (LAG) in malnourished patients with GC.

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Background: Sarcopenic obesity may affect the health outcome of people with obesity after laparoscopic sleeve gastrectomy (LSG). To assess the impact of sarcopenic obesity (SO) on weight loss outcomes and improvement of quality of life after LSG.

Materials And Methods: This observational study included patients who underwent LSG with SO (99 patients) or without SO (146 patients) from a single center.

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Article Synopsis
  • * It found that TC is more successful in patients with normal red blood cell (RBC) and sodium levels, while NIT is preferable when electrolyte imbalances can be reversed or neutrophil to lymphocyte ratios are low.
  • * If patients experience rising inflammatory markers or electrolyte issues during treatment, surgery should be considered as a more effective intervention for ASBO.
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Background: Surgical quality control is a crucial determinant of evaluating the tumor efficacy.

Objective: To assess the ClassIntra grade for quality control and oncological outcomes of robotic radical surgery for gastric cancer (GC).

Methods: Data of patients undergoing robotic radical surgery for GC at a high-volume center were retrospectively analyzed.

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Background: Laparoscopy-assisted gastrectomy (LG) is rapidly gaining popularity owing to its minimal invasiveness. Previous studies have found that compared with two-dimensional (2D)-LG, three-dimensional (3D)-LG showed better short-term outcomes. However, the long-term oncological outcomes in patients with locally resectable gastric cancer (GC) remain controversial.

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Purpose: Cuproptosis plays a crucial role in the biological function of cells. The subject of this work was to analyze the effects of cuproptosis-related genes (CRGs) on the prognosis and biological function in lung adenocarcinoma (LUAD).

Methods: In this study, RNA sequencing and clinical data of LUAD samples were screened from public databases and our institution.

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Article Synopsis
  • Acute respiratory distress syndrome (ARDS) is primarily caused by sepsis and involves inflammation resolution through mediators like resolvin D1 (RvD1), though the exact role of resident alveolar macrophages (RAMs) in this process needs clarification.
  • Researchers created a mouse model of ARDS and administered RvD1 during peak inflammation to study its impact on RAMs, assessing their proliferation and phagocytic ability, while also analyzing plasma samples from ICU patients for RvD1 and S100A8/A9 levels.
  • The findings demonstrated that RvD1 enhances RAM proliferation and phagocytosis through the ALX/MAPK14/S100A8/A9 pathway and indicates lower RvD1 but higher S
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Gastric cancer stem cells (GCSCs) are self-renewing tumor cells that govern chemoresistance in gastric adenocarcinoma (GAC), whereas their regulatory mechanisms remain elusive. Here, the study aims to elucidate the role of ATOH1 in the maintenance of GCSCs. The preclinical model and GAC sample analysis indicate that ATOH1 deficiency is correlated with poor GAC prognosis and chemoresistance.

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The purpose of this study was to investigate the diagnostic value of combined detection of PCT, IL-6, CRP, and WBC in neonatal sepsis. The study selected 50 neonatal sepsis patients treated in Pucheng County Hospital from April 2018 to June 2020 as the patient group, and 50 healthy newborns as the control group. Before treatment, white blood cell count (WBC) was performed on all neonates, and serum PCT, IL-6, and CRP levels were detected by ELISA.

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Hepatic alveolar echinococcosis (AE) is a zoonotic disease caused by the metacestode of Echinococcus multilocularis. Although surgical resection is the optimal treatment for hepatic AE, some patients with hepatic AE located in special introhepatic sites cannot be radically cured by conventional surgery. Here, we report that a 10-year-old female patient was admitted to the hospital with occupying liver lesions for 6 months.

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Objectives: Distracted driving such as reading phone messages during driving is risky, as it increases the probability of severe crashes. This study proposes an XGBoost model for visual distraction detection based on vehicle dynamics data from a driving simulation study.

Methods: A simulated driving experiment involving thirty-six drivers was launched.

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