Publications by authors named "Ma Yubo"

Article Synopsis
  • The resident microbiota within the tumor immune microenvironment influences tumor development in various cancers, particularly gastric cancer (GC), as shown through analysis of microbiome, transcriptome, and metabolome data.
  • In GC samples, patients with high levels of specific bacteria like Streptococcus or Pseudomonas had poorer survival outcomes, with Streptococcus anginosus identified as a key player in promoting tumor growth and hindering immune response.
  • Antibiotic treatment in mouse models significantly reduced tumor development associated with Streptococcus anginosus, and the bacterium's role in altering the immune microenvironment suggests it could be a useful target for potential diagnostic and therapeutic strategies in gastric cancer.
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Mango bacterial black spot is a major disease limiting mango production, which is now causing increasingly severe economic losses. In this study, we analyzed the differences in the composition and structure of bacterial and fungal communities in the pulp and leaves between the healthy mangoes of variety Kate and those affected by bacterial black spot, and attempted to explore potential biocontrol microorganisms for mangoes. The results showed there existed significant differences in microbial communities, the bacterial Stenotrophomonas, Curtobacterium, Massilia and fungous Penicillium, Alternaria, Aureobasidiu showed great abundance both in pulps and leaves.

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  • The research investigates the relationship between exposure to per- and polyfluoroalkyl substances (PFAS) and vitamin D levels in older adults, highlighting the need to focus on populations with prolonged PFAS exposure.
  • Utilizing data from the U.S. NHANES from 2003 to 2018, it employs various statistical models to assess how PFAS affect vitamin D concentrations, particularly analyzing mixed PFAS exposures and sex-related differences.
  • Findings reveal that specific PFAS compounds negatively correlate with serum vitamin D levels, with the most significant associations observed among females, suggesting that increased PFAS exposure may lower vitamin D concentrations.
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Spiroplasma eriocheiris is a kind of intracellular pathogen without cell wall and the causative agent of Chinese mitten crab Eriocheir sinensis "tremor disease", which causes significant economic losses in the crustacean aquaculture. However, little is known about the intracellular transport of this pathogen and host innate immune response to this pathogen. Rab GTPases are key regulators for endocytosis and intracellular pathogen trafficking.

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Diabetic wounds pose a clinical challenge due to persistent inflammation, severe bacterial infections, inadequate vascularization, and pronounced oxidative stress. Current therapeutic modalities fail to provide satisfactory outcomes in managing these conditions, resulting in considerable patient distress. Two-dimensional nanomaterials (2DNMs), characterized by their unique nanosheet structures, expansive surface areas, and remarkable physicochemical properties, have garnered considerable attention for their potential in therapeutic applications.

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Fine particulate matter (PM) may disrupt women's reproductive hormones, posing potential reproductive risks. However, the exact compositions of PM responsible for these effects remain unclear. Our investigation explored the long-term impacts of PM constituents on reproductive hormones, based on a large longitudinal assisted reproductive cohort study in Anhui, China.

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Gastric cancer is one of the most common malignant tumors worldwide and has a high mortality rate. However, tests for the early screening and diagnosis of gastric cancer are limited and invasive. Certain oral microorganisms are over-expressed in gastric cancer, but there is heterogeneity among different studies.

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Article Synopsis
  • * Advances in omics technologies, like next-generation sequencing and proteomics, have uncovered important genetic changes and biological factors related to GC.
  • * The review discusses current molecular classifications of GC, their connection to traditional methods, and how these classifications could improve targeted therapies and clinical trial results, though challenges in applying these methods in practice remain.
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Extreme weather is becoming more frequent due to drastic changes in the climate. Despite this, the body of research focused on the association between temperature extreme events and sperm quality remains sparse. In this study, we elucidate the impact of exposure to environmental temperature extremes on sperm quality.

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Background: As birth policy can affect maternal and infant health, we sought to identify whether and how the introduction of the two-child policy might have affected the prevalence of placenta previa in pregnant women in mainland China.

Methods: In this update meta-analysis and systematic review, we searched PubMed, Web of Science, the Cochrane Library, Weipu, Wanfang, and the China National Knowledge Infrastructure (CNKI) databases for studies evaluating the prevalence of placenta previa in China published between the inception of each database and March 2024, with no restrictions. Two investigators independently extracted the data from each included study.

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Background: The current pathologic N (pN) classification exhibits limitations in the prognostic stratification of patients with pT3-4N0-2M0 gastric cancer (GC). Therefore, this study aimed to develop and validate a new lymph nodal staging method based on the number of examined lymph nodes (ELNs) and lymph node ratio (LNR).

Methods: Data from 7883 patients with pT3-4N0-2M0 GC were collected from the Surveillance, Epidemiology, and End Results (SEER) database and Zhejiang Cancer Provincial Hospital.

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Article Synopsis
  • PFAS, a group of environmental contaminants known for their immunosuppressive effects, may have a connection to rheumatoid arthritis (RA), but this link has been under-researched.
  • Using data from nearly 10,500 adults over multiple years, the study analyzed serum levels of different PFAS and self-reported RA cases to understand their association.
  • Results showed that higher concentrations of certain PFAS were linked to lower odds of RA, primarily in females, suggesting that exposure to these substances may influence the prevalence of RA in a sex-specific manner.
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Background: Adjuvant chemotherapy (CT) constitutes the primary approach for treating resectable advanced gastric cancer (GC). However, the effectiveness of postoperative CT can differ across various patient groups. This retrospective study aimed to examine how variances in clinical and pathologic factors affect postoperative CT.

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Background: Artificial light at night, a well-recognized circadian clock disrupter, causes disturbances in endocrine homeostasis. However, the association of artificial light at night with polycystic ovary syndrome (PCOS) is still unknown. This study examines the effects of outdoor artificial light at night on sex hormones, glucose homeostasis markers, and PCOS prevalence in Anhui Province, China.

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Background: Perchlorates, nitrates, and thiocyanates are prevalent environmental chemicals. Their potential association with arthritis remains unexplored. This study aimed to investigate the link between perchlorate, nitrate, and thiocyanate exposure and arthritis, as well as the potential role of inflammation in this context.

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Purpose: This study aimed to assess the utility of 6 serum tumor markers in prognosis between gastric adenocarcinoma and gastric signet ring cell carcinoma (SRCC).

Methods: A cohort of 3131 cases of gastric adenocarcinoma and 275 cases of gastric SRCC was assembled. The serum levels of carcinoembryonic antigen (CEA), carbohydrate antigen 19-9 (CA19-9), carbohydrate antigen 125, alpha fetoprotein (AFP), carbohydrate antigen 242 (CA242), and carbohydrate antigen 724 (CA724) were measured in all cases.

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Objective: This study aimed to explore the clinicopathological characteristics and prognostic implications of gastric neuroendocrine neoplasms (g-NENs).

Methods: A retrospective enrollment of 142 patients diagnosed with g-NENs was conducted at Zhejiang Cancer Hospital between January 1, 2007 and December 31, 2021. The study compared essential clinicopathological features and survival rates.

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Mannose-binding lectin plays an essential role in bacteria or virus-triggered immune response in mammals. Previous proteomic data revealed that in Eriocheir sinensis, the mannose-binding protein was differentially expressed after Spiroplasma eriocheiris infection. However, the function of mannose-binding protein against pathogen infection in invertebrates is poorly understood.

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Article Synopsis
  • Trichophyton mentagrophytes is recognized as a significant public health threat due to its severe dermatophytosis symptoms.
  • This study reveals how T. mentagrophytes interacts with skin cells, triggering inflammatory responses and using a toxin (SN-38) that causes cell death.
  • The findings highlight the dangerous effects of T. mentagrophytes and suggest potential new treatment approaches focused on its toxins to enhance patient care.
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Background: Placental anomalies, including placenta previa (PP), placenta accreta spectrum disorders (PAS), and vase previa (VP), are associated with several adverse foetal-neonatal and maternal complications. However, there is still a lack of robust evidence on the pathogenesis and adverse outcomes of the diseases. Through this umbrella review, we aimed to systematically review existing meta-analyses exploring the factors and outcomes for pregnancy women with placental anomalies.

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Exosomes released from infected cells are thought to play an important role in the dissemination of pathogens, as well as in host-derived immune molecules during infection. As an intracellular pathogen, Spiroplasma eriocheiris is harmful to multiple crustaceans. However, the immune mechanism of exosomes during Spiroplasma infection has not been investigated.

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Oxytocin is the gold standard uterotonic agent for prevention of hemorrhage. However, there is no consensus with clear evidence about the side-effects of oxytocin administered intravenously or intramuscularly for management of the third stage of labor. We conducted a systematic review and meta-analysis of randomized controlled trials to evaluate the side-effects of intravenously or intramuscularly oxytocin for preventing hemorrhage in the third stage of labor.

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Article Synopsis
  • The study investigates how daily temperature fluctuations (diurnal temperature range, DTR) affect sperm quality among males, filling a research gap in previous studies that only looked at temperature variation over longer periods.
  • It analyzed data from over 15,000 men, focusing on how DTR, along with other environmental factors, influenced various sperm quality metrics such as motility and concentration, finding a notable "U"-shaped relationship.
  • Results indicate that sperm quality is more sensitive to DTR in cooler temperatures (below 16.5 °C), suggesting that policies promoting temperature management could help improve sperm quality and public health.
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The association between ambient fine particulate matter (PM) exposure and semen quality remains inconclusive, possibly due to variations in pollution sources and PM compositions. Studies investigating the constituents of PM have been hindered by small sample sizes, and research exploring the relationships between PM pollution sources and semen quality is lacking. To address this gap, we conducted a comprehensive study based on the Anhui prospective assisted reproduction cohort to evaluate the associations between semen quality and the constituents and pollution sources of PM.

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