Correlation and genetic analysis of seed shell thickness and yield factors in Tartary buckwheat ( (L.) Gaertn.).

In order to solve the difficult problem of the outer shell covering in the processing of Tartary buckwheat, we conducted a genetic analysis in segregating F and F populations derived from a hybrid between 'Yunqiao No. 1' and 'Rice buckwheat', and the F population was used to analyze the phenotypic and genetic correlation among the traits. The results showed that the variety with a value of trait for seed shell thickness over 0.

The critical role of mast cell-derived hypoxia-inducible factor-1α in regulating mast cell function.

Objectives: During colorectal tumour progression, the tumour microenvironment becomes hypoxic, and infiltration of a large number of inflammatory cells occurs. The mast cells (MCs) are a type of immune cells plays an important role in tumour angiogenesis. However, it is unclear whether the role of MC in colorectal cancer is to promote or to inhibit tumour growth.

Photodynamic-therapy Activates Immune Response by disrupting Immunity Homeostasis of Tumor Cells, which Generates Vaccine for Cancer Therapy.

Photodynamic therapy (PDT), a regulatory approved cancer treatment, is reported to be capable of causing immunogenic apoptosis. The current data reveal PDT can cause the dysregulation of "eat me" and "don't eat me" signal by generating reactive oxygen species (ROS) -mediated endoplasmic reticulum (ER) stress. This dysregulation probably contribute to the increased uptake of PDT-killed Lewis lung carcinoma (LLC) cells by homologous dendritic cells (DCs), accompanied by phenotypic maturation (CD80(high), CD86(high), and CD40(high)) and functional stimulation (NO(high), IL-10(absent)) of dendritic cells as well as subsequent T-cell responses.

Risk factors of recurrent aphthous ulceration among university students.

Recurrent aphthous ulceration (RAU) is a common oral mucosal disease. The etiological involves in genetics, vitamin deficiencies, trauma, immune dysfunction and stress. This study was to explore the related risk factors of recurrent aphthous ulceration (RAU) among college students, and provide basis for further research.

Photodynamic therapy-mediated cancer vaccination enhances stem-like phenotype and immune escape, which can be blocked by thrombospondin-1 signaling through CD47 receptor protein.

Like most of the strategies for cancer immunotherapy, photodynamic therapy-mediated vaccination has shown poor clinical outcomes in application. The aim of this study is to offer a glimpse at the mechanisms that are responsible for the failure based on cancer immuno-editing theory and to search for a positive solution. In this study we found that tumor cells were able to adapt themselves to the immune pressure exerted by vaccination.

An investigation of antitumor efficiency of novel sustained and targeted 5-fluorouracil nanoparticles.

Traditional chemotherapeutic drugs remain the major treatment for advanced colorectal cancer. However, due to the lack of tumor specificity these drug also destroy healthy tissue and organs, which has been the main reason for treatment failure and mortality. Folate-based drug delivery systems for improving nanoparticle endocytosis have been used to address these problems.

Hypericin-based Photodynamic Therapy Induces a Tumor-Specific Immune Response and an Effective DC-based cancer Immunotherapy.

In our study, we find that photodynamic therapy (PDT), which generates reactive oxygen species (ROS) -mediated endoplasmic reticulum (ER) stress to inflict trauma in the targeted lesion, can break the balance between membrane damage-associated molecular patterns (DAMPs) and integrin-associated protein (CD47). The imbalance undermines the ability of lewis lung carcinoma (LLC) cells to escape immune attack by increasing the uptake of hypericin-mediated PDT(hyp-PDT) killed lewis lung carcinoma (LLC) cells by homologous dendritic cells (DCs), accompanied by phenotypic maturation (CD80, CD86, and CD40) and functional stimulation (NO, IL-10) of dendritic cells as well as subsequent T-cell response. Besides, C57BL/6 mice vaccinated with dendritic cells (DCs) pulsed with PDT-treated LLCs (PDT-DCs) or PDT-treated LLCs alone (PDT-LLCs) show potent immunity against LLC tumor.