Introduction: It has been shown that cytoreductive surgery (CRS) in combination with hyperthermic intraperitoneal chemotherapy (HIPEC) is an effective treatment for patients suffering from peritoneal malignancies. Despite good results, there is an ongoing debate about this treatment due to perioperative morbidity. The aim of this study is to identify relevant risk factors for an unfavorable postoperative outcome after CRS and HIPEC.
View Article and Find Full Text PDFPharmaceutics
September 2021
Alkanediols are widely used as multifunctional ingredients in dermal formulations. In addition to their preservative effect, considering their possible impact on drug penetration is also essential for their use. In the present study, the influence of 2-methyl-2,4-pentanediol, 1,2-pentanediol, 1,2-hexanediol and 1,2-octanediol on the skin penetration of triamcinolone acetonide from four different semisolid formulations was investigated.
View Article and Find Full Text PDFAlkanediols are frequently used as alternative antimicrobial preservatives for dermal formulations. However, these substances can also have an influence on the biopharmaceutical properties of the applied preparations. Therefore, the influence 2-methyl-2,4-pentanediol, 1,2-pentanediol, 1,2-hexanediol and 1,2-octanediol on the release of triamcinolone acetonide (TAA) from four different commonly used semi-solid vehicles was investigated.
View Article and Find Full Text PDFPharmaceutics
November 2020
Alkanediols are often used as alternative antimicrobial preservatives for dermal formulations, e.g., hydrophilic creams.
View Article and Find Full Text PDFAn amendment to this paper has been published and can be accessed via a link at the top of the paper.
View Article and Find Full Text PDFDiverse microbial ecosystems underpin life in the sea. Among these microbes are many unicellular eukaryotes that span the diversity of the eukaryotic tree of life. However, genetic tractability has been limited to a few species, which do not represent eukaryotic diversity or environmentally relevant taxa.
View Article and Find Full Text PDFIn a previous study we established forward genetics in the choanoflagellate and found that a C-type lectin gene is required for rosette development (Levin , 2014). Here we report on critical improvements to genetic screens in while also investigating the genetic basis for rosette defect mutants in which single cells fail to develop into orderly rosettes and instead aggregate promiscuously into amorphous clumps of cells. Two of the mutants, Jumble and Couscous, mapped to lesions in genes encoding two different predicted glycosyltransferases and displayed aberrant glycosylation patterns in the basal extracellular matrix (ECM).
View Article and Find Full Text PDFPrimary cilia are required for Smoothened to transduce vertebrate Hedgehog signals, but how Smoothened accumulates in cilia and is activated is incompletely understood. Here, we identify cilia-associated oxysterols that promote Smoothened accumulation in cilia and activate the Hedgehog pathway. Our data reveal that cilia-associated oxysterols bind to two distinct Smoothened domains to modulate Smoothened accumulation in cilia and tune the intensity of Hedgehog pathway activation.
View Article and Find Full Text PDFCilia are organelles specialized for movement and signaling. To infer when during evolution signaling pathways became associated with cilia, we characterized the proteomes of cilia from sea urchins, sea anemones, and choanoflagellates. We identified 437 high-confidence ciliary candidate proteins conserved in mammals and discovered that Hedgehog and G-protein-coupled receptor pathways were linked to cilia before the origin of bilateria and transient receptor potential (TRP) channels before the origin of animals.
View Article and Find Full Text PDFThe activating BRAF (V600) mutation is a well-established negative prognostic biomarker in metastatic colorectal carcinoma (CRC). A recently developed monoclonal mouse antibody (clone VE1) has been shown to detect reliably BRAF (V600E) mutated protein by immunohistochemistry (IHC). In this study, we aimed to compare the detection of BRAF (V600E) mutations by IHC, Sanger sequencing (SaS), and ultra-deep sequencing (UDS) in CRC.
View Article and Find Full Text PDFThere has been much information learned in recent years about voltage gated sodium channel (Na(V)) subtypes in somatosensory pain signalling, but much less is known about the role of specific sodium channel subtypes in the vagal sensory system. In this study, we developed a technique using adeno-associated viruses (AAVs) to directly introduce shRNA against Na(V)1.7 subtype gene into the vagal sensory ganglia of guinea pigs in vivo.
View Article and Find Full Text PDFPraxis (Bern 1994)
April 2010
Sexual dysfunctions can adversely affect men's and women's satisfaction with life over a prolonged period. Besides sexual medicine services in primary medical care, in Switzerland there exist specialized consultation services at University Hospitals. The assessment of the case histories of three years (1980, 1990, and 2004) of the Sexual Medicine Consultation Service at Zurich University Hospital provided the following results: the most common disorders are lack/loss of libido in women and erectile dysfunction in men.
View Article and Find Full Text PDFCardiopulmonary resuscitation by manual cardiac compression can restore cardiocirculatory function but can also injure patients. Commonly reported are skeletal fractures of the rips and sternum, while injuries to the large thoracic vessels will frequently be lethal. We report the case of a 57-year-old male patient with sudden cardiac arrest because of myocardial ischemia with ventricular fibrillation, successful cardiopulmonary resuscitation, associated with an intramural haematoma (IMH) of the descending thoracic aorta treated by endovascular aortic repair.
View Article and Find Full Text PDFPurpose: The aims of this study were to evaluate the use of [(18)F]fluorodeoxyglucose positron emission tomography (FDG-PET) in the staging of primary and recurrent tumors of the head and neck in comparison to routine clinical methods (physical examination, ultrasonography, computed tomography) and to investigate the effect of FDG-PET scanning on therapeutic strategy.
Materials And Methods: Retrospective analysis of the results of FDG-PET and conventional diagnostic modalities were compared with biopsy results or patient outcome or both. In a period of 6 years, 78 FDG-PET studies were performed on 56 patients; 24 of them before therapy and 54 on suspicion of residual or recurrent tumor.
The distal locus control region (LCR) is required for high-level expression of the complex of genes (HBBC) encoding the beta-like globins of mammals in erythroid cells. Several major DNase hypersensitive sites (HSs 1-5) mark the LCR. Sequence conservation and direct experimental evidence have implicated sequences within and between the HS cores in function of the LCR.
View Article and Find Full Text PDFWe investigated various phenotypic characteristics of radiation-induced morphologically transformed C3H 10T1/2 mouse fibroblasts. The cells were treated with 8 Gy x-rays, and type II/III foci were isolated. Cell lines were developed from these foci, and subsequently clones were established from these focal lines.
View Article and Find Full Text PDFIn the inhomogeneous radiation field surrounding small beta-particle sources, nonlethally and heavily damaged cells are in proximity, permitting interaction via extracellular signals. This situation is typical of hot particles such as those released during the accident at Chernobyl. Beta-particle-emitting yttrium-90 wires (average energy 934 keV) were employed to investigate radiation-induced neoplastic transformation under these conditions.
View Article and Find Full Text PDFA model system is presented for assessing the biological effects of inhomogeneous irradiation fields resulting from exposure to particulate radioactive matter (hot particles). The resulting harm per unit dose to tissue is qualitatively different from homogeneous irradiation sources because of specific hot particle effects such as wasting of dose to necrotic tissue (overkill) and formation of microlesions leading to growth stimulation in adjacent tissue. In the case of beta-emitters, many of the cells in adjacent tissue receive considerable sublethal doses.
View Article and Find Full Text PDFKrankenpfl Soins Infirm
February 1996
We have been investigating radiation-induced neoplastic transformants of C3H 10T1/2 mouse fibroblasts for evidence of heritable changes. C3H 10T1/2 cells were treated with 8 Gy X rays. After approximately 8 weeks of culture, type II/III foci were isolated from the monolayer using cloning rings.
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