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- Ge, Li, 1974-, et al.
(author)
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The Investigation and Analysis on Chinese Medicine Constitution Types of Pregnant Metaphase Women in Fuzhou
- 2013
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In: Chinese General Practice. - Beijing. - 1007-9572. ; 16:6A, s. 1920-1922
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Journal article (peer-reviewed)abstract
- 【Abstract】Objective To investigate and analyze the Chinese medicine constitution types of pregnant metaphase women in Fuzhou of China. Methods Cross-sectional study and stratified sampling were used. A scale, , was as a tool for investigation. 1000 scale copies were handed out. 989 scale copies were got after excluding the scale copies with logic error. Constitution types were described by constituent ratio. Results In Fuzhou, the Chinese medicine constitution types of pregnant metaphase women were as following: Yang-deficiency type was 28.5%, damp-heat type was 25.5%, Yin-deficiency type was 25.2%, Qi-depression type and Qi-deficiency type were 23.1% respectively, gentleness type was 20.2%, stasis type was 19.1%, phlegm type was 10.9%, and special intrinsic type was 7.0%. The front three constitution types in different age groups: 20 years old～group: Qi-deficiency type was 29.4%, gentleness type was 24.8%, Yin-deficiency type and yang-deficiency type were 24.2% respectively; 25 years old～group:Yang-deficiency type was 27.6%, Yin-deficiency type and damp-heat type were 23.3% respectively; 30 years old～group: damp-heat type was 34.4%, Yang-deficiency type was 33.9%, Yin-deficiency type was 30.8%. The distribution of constitution types in different education background groups was similar as that of total constitution types of pregnant metaphase women. Conclusions The constitution type’s characteristics of pregnant metaphase women in Fuzhou were inclined to deficiency, heat and damp, and Qi-depression. Guided by the theory of “Preventive Treatment of Disease”, the staff working on antepartum care may provide targeted care according to different body constitution types of pregnant women.
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| 2. |
- Llinàs-Arias, Pere, et al.
(author)
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3-D chromatin conformation, accessibility, and gene expression profiling of triple-negative breast cancer
- 2023
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In: BMC Genomic Data. - : Springer Nature. - 2730-6844. ; 24:1
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Journal article (peer-reviewed)abstract
- Objectives: Triple-negative breast cancer (TNBC) is a highly aggressive breast cancer subtype with limited treatment options. Unlike other breast cancer subtypes, the scarcity of specific therapies and greater frequencies of distant metastases contribute to its aggressiveness. We aimed to find epigenetic changes that aid in the understanding of the dissemination process of these cancers. Data description: Using CRISPR/Cas9, our experimental approach led us to identify and disrupt an insulator element, IE8, whose activity seemed relevant for cell invasion. The experiments were performed in two well-established TNBC cellular models, the MDA-MB-231 and the MDA-MB-436. To gain insights into the underlying molecular mechanisms of TNBC invasion ability, we generated and characterized high-resolution chromatin interaction (Hi-C) and chromatin accessibility (ATAC-seq) maps in both cell models and complemented these datasets with gene expression profiling (RNA-seq) in MDA-MB-231, the cell line that showed more significant changes in chromatin accessibility. Altogether, our data provide a comprehensive resource for understanding the spatial organization of the genome in TNBC cells, which may contribute to accelerating the discovery of TNBC-specific alterations triggering advances for this devastating disease.
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| 3. |
- Tsarouhas, Vasilios, et al.
(author)
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Src kinases and ERK activate distinct responses to Stitcher receptor tyrosine kinase signaling during wound healing in Drosophila
- 2014
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In: Journal of Cell Science. - : The Company of Biologists. - 0021-9533 .- 1477-9137. ; 127:8, s. 1829-1839
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Journal article (peer-reviewed)abstract
- Metazoans have evolved efficient mechanisms for epidermal repair and survival following injury. Several cellular responses and key signaling molecules that are involved in wound healing have been identified in Drosophila, but the coordination of cytoskeletal rearrangements and the activation of gene expression during barrier repair are poorly understood. The Ret-like receptor tyrosine kinase (RTK) Stitcher (Stit, also known as Cad96Ca) regulates both re-epithelialization and transcriptional activation by Grainy head (Grh) to induce restoration of the extracellular barrier. Here, we describe the immediate downstream effectors of Stit signaling in vivo. Drk (Downstream of receptor kinase) and Src family tyrosine kinases bind to the same docking site in the Stit intracellular domain. Drk is required for the full activation of transcriptional responses but is dispensable for re-epithelialization. By contrast, Src family kinases (SFKs) control both the assembly of a contractile actin ring at the wound periphery and Grh-dependent activation of barrier-repair genes. Our analysis identifies distinct pathways mediating injury responses and reveals an RTK-dependent activation mode for Src kinases and their central functions during epidermal wound healing in vivo.
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| 4. |
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| 5. |
- Yao, Liqun, 1985-
(author)
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Genome-wide identification of Grainy head target genes and their functions in Drosophila embryos
- 2016
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Doctoral thesis (other academic/artistic)abstract
- The transcription factor Grainy head (Grh) is conserved from Drosophila to humans. Drosophila Grh plays important roles in epithelial differentiation and regeneration. To investigate the mechanisms of Grh function, we performed ChIP-sequencing and microarray gene expression analysis and identified Grh target genes in Drosophila embryos at a genome-wide scale. We found Grh ChIP peaks in the proximity of 3754 genes and showed that Grh acts both as an activator and as a repressor. Grh regulates distinct genes in different contexts. During wound healing, Grh transcriptionally activates stitcher (stit), a gene encoding a receptor tyrosine kinase. We show that Stit activates two distinct pathways, including Src kinases and extracellular signal-regulated kinase (ERK), after injury. The tyrosine residue Y762 mediates Stit binding to the SH2 domains of Src42A, Src64B, or Drk. Src family kinases and Drk act as downstream effectors of Stit in the activation of wound response enhancers. Src family kinases control re-epithelialization, but fail to induce the dpERK accumulation after injury. In contrast, Drk is dispensable in re-epithelialization, but can induce the activation of ERK, which can therefore link RTKs to ERK-mediated Grh-dependent activation of wound response genes. In airways, Grh regulates 1152 target genes encoding various enzymes, signaling proteins, and transcription factors. Grh represses the POU-domain transcription factor Vvl (Ventral veinless). Vvl interacts with Grh and can regulate a set of Grh target genes. Grh and Vvl antagonize each other during airway maturation and tracheal tube elongation. The analysis of Grh-responsive enhancers during embryonic development and in wound healing indicates that Grh cooperates with other transcription factors, such as Vvl, to regulate target gene expression.In addition, we identify a novel grh PO isoform expressed predominantly in the central nervous system, epidermis, and trachea. Unlike the canonical grh (grh PI) that can regulate endogenous grh PI and grh PO, Grh PO fails to regulate the grh gene transcriptionally. Further functional analysis in the trachea suggests that Grh PO may act as a partial dominant-negative regulator of Grh.
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| 6. |
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| 7. |
- Yao, Liqun, et al.
(author)
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Genome-wide identification of Grainy head targets in Drosophila reveals regulatory interactions with the POU domain transcription factor Vvl
- 2017
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In: Development. - : The Company of Biologists. - 0950-1991 .- 1477-9129. ; 144:17, s. 3145-3155
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Journal article (peer-reviewed)abstract
- Grainy head (Grh) is a conserved transcription factor (TF) controlling epithelial differentiation and regeneration. To elucidate Grh functions we identified embryonic Grh targets by ChIP-seq and gene expression analysis. We show that Grh controls hundreds of target genes. Repression or activation correlates with the distance of Grh-binding sites to the transcription start sites of its targets. Analysis of 54 Grh-responsive enhancers during development and upon wounding suggests cooperation with distinct TFs in different contexts. In the airways, Grh-repressed genes encode key TFs involved in branching and cell differentiation. Reduction of the POU domain TF Ventral veins lacking (Vvl) largely ameliorates the airway morphogenesis defects of grh mutants. Vvl and Grh proteins additionally interact with each other and regulate a set of common enhancers during epithelial morphogenesis. We conclude that Grh and Vvl participate in a regulatory network controlling epithelial maturation.
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