Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| Other | ||||
| ERR10123671_1.fastq.gz | Fastqsanger.gz | |||
| ERR10123671_2.fastq.gz | Fastqsanger.gz | |||
| ERR8571674_1.fastq.gz | Fastqsanger.gz | |||
| ERR8571674_2.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 5 of 7 |
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Project description:Xylocampa areola genome assembly, ilXylAreo1, alternate haplotype
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Project description:Tattoos are becoming increasingly popular across generations, with 10-20% of the population in Europe and the United States bearing at least one tattoo. Tattoos represent an intradermal injection of pigments (i.e. coloured insoluble micro- and nano-particles), which remain in place throughout life. Although tattoos have existed for centuries, the question of their health impact has really arisen rather lately, so that a significant gap in our understanding of the cellular and molecular long-term effects of these pigments on the body remains. In this project, we investigate a wide range of tattoo pigments on macrophages. Macrophages, pivotal in pigment persistence through phagocytic processes and capture-release-recapture cycles, are also key players in the inflammatory response and tissue homeostasis. Dysregulation in macrophage functionalities can potentially lead to substantial health consequences such as deficient immune response or such as sarcoidosis. To assess the long-term effects of tattoos, we tested iron-based pigments (which are widely used in the medical field for dermopigmentation of the nipple-areola complex after mastectomy) using an exposure scheme consisting in an acute exposure for 24 hours and a 5-days post exposure recovery period. Proteomic analyses were conducted to understand the underlying cellular mechanisms.
2025-10-09 | PXD064985 | Pride
Project description:The use of fluorescence for real-time evaluation of organ and tissue vascularization and lymph node anatomy is a recent technology with potential for the surgical treatment of cancer. The real-time analysis of tissue vascularization allows immediate identification to the surgeon of areas with greater or lesser blood circulation, favoring surgical decision making and prevention of complications related to tissue ischemia (necrosis, dehiscences and infections). It is a technology with potential application in the areas of Digestive Surgery, Repairing Plastic Surgery in Oncology, Head and Neck Surgery. In addition, fluorescence can be used as a method to identify lymph node structures of interest in the oncological treatment of patients with urologic, gynecological and digestive tumors.
Introduced by Pestana et al. In the late 2000s, the perfusion mapping system through intraoperative indocyanine assisted laser angiography (SPY Elite System © LifeCell Corp., Branchburg, N.J.) had its initial application in repairing surgery after breast cancer treatment. The method proved to be useful in the prevention of ischemic and infectious complications in cancer surgery. Pestana, in a prospective clinical series of 29 microsurgical flaps used in several reconstructions, observed a single case of partial loss of the flap, the present technology having a relevant role in intraoperative decision making. In the same year, Newman et al. The first application of the system in breast reconstruction surgery. In an initial series of 10 consecutive cases of reconstruction with microsurgical flaps, in 4 cases the system allowed the intraoperative identification of areas of low perfusion, thus changing the surgical procedure. According to the authors, there was a 95% correlation between indocyanine laser assisted and subsequent development of mastectomy skin necrosis, with sensitivity of 100% and specificity of 91%. Similarly, Murray et al. Evaluated the intraoperative perfusion, however, of the areola-papillary complex in patients submitted to subcutaneous mastectomies with satisfactory results in terms of predictability of cutaneous circulation. Other authors in larger clinical series and evaluating other procedures have observed valid results in terms of prevention of complications.
Vascular perfusion of anastomoses and fistulas following bowel surgery for cancer remain a serious and common complication. These fistulas can be caused by insufficient perfusion of the intestinal anastomosis. Intraoperative angiography with indocyanine assisted laser can be used to visualize the blood perfusion following intravenous injection of the indocyanine green contrast. Several groups reported the ability to assess blood perfusion of the anastomotic area after bowel surgery. Although they studied retrospectively, Kudszus and colleagues described a reduction in the risk of revision due to fistula in 60% of patients whose anastomosis was examined using laser fluorescence angiography compared to historically paired patients without this method. The same principle can be used to evaluate the tubulized stomach to be transposed to the cervical region after subtotal esophagectomy.
Currently, fluorescence-guided sentinel lymph node mapping has been studied in breast cancer as well as investigative character in colorectal cancer, skin cancer, cervical cancer, vulvar cancer, head and neck, lung cancer, penile cancer, cancer Endometrial cancer, gastric cancer and esophageal cancer.
These early studies demonstrated the feasibility of this methodology during surgery. Comparison of laser fluorescence images on blue dyes indicate that fluorescence images can replace blue dyes because they exceed them due to increased tissue penetration depth and absence of staining in the patient and cleaning of the operative field.
To date, there are no clinical studies involving intraoperative perfusion mapping and identification of lymph node structures with the SPY Elite System © system or other platforms (Pinpoint or Firefly) in Brazil that evaluate the Brazilian population. In an objective way the influence of this technology as predictive in the better or worse evolution of the oncologic surgery as well as in the prevention of the local ischemic complications by means of intraopeal change of conduct
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Project description:This study aims to investigate the DNA methylation patterns at transcription factor binding regions and their evolutionary conservation with respect to binding activity divergence. We combined newly generated bisulfite-sequencing experiments in livers of five mammals (human, macaque, mouse, rat and dog) and matched publicly available ChIP-sequencing data for five transcription factors (CEBPA, HNF4a, CTCF, ONECUT1 and FOXA1). To study the chromatin contexts of TF binding subjected to distinct evolutionary pressures, we integrated publicly available active promoter, active enhancer and primed enhancer calls determined by profiling genome wide patterns of H3K27ac, H3K4me3 and H3K4me1.
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Project description:Whole genome sequencing of the Arabidopsis thaliana dot5-1 transposon insertion line described in Petricka et al 2008 The Plant Journal 56(2): 251-263.
2022-08-07 | E-MTAB-12010 | biostudies-arrayexpress