Cancer therapy may be aided by induced macropinocytosis, a rare form of cell death

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(University of Alabama at Birmingham) In laboratory experiments, a metabolic inhibitor was able to kill a variety of human cancer cells of the skin, breast, lung, cervix and soft tissues through a non-apoptotic route — catastrophic macropinocytosis. In mouse xenograft studies, the inhibitor acted synergistically with a common chemotherapy drug, cyclophosphamide, to reduce tumor growth. Thus macropinocytosis, a rarely described form of cell death, may aid in the treatment of cancer.

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Publication date: Available online 26 December 2019Source: Reports of Practical Oncology &RadiotherapyAuthor(s): Ramaiah Vinay Kumar, Suman BhaskerAbstractObesity has become epidemic both in developed and developing countries. Socio-economic (SE) development has resulted in increased prevalence of obesity across all social groups in developing countries that is contrary to the effects of a rising SE status on prevalence of obesity in the developed world. Obesity is not only associated with metabolic syndrome, cardiovascular disease, diabetes but is also a risk factor for cancer and is responsible for increased cancer m…

This study shows that CA are released from periventricular and subpial regions to the cerebrospinal fluid and are present in the cervical lymph nodes, into which cerebrospinal fluid drains through the meningeal lymphatic system. We also show that CA can be phagocytosed by macrophages. We conclude that CA can act as containers that remove waste products from the brain and may be involved in a mechanism that cleans the brain. Moreover, we postulate that CA may contribute in some autoimmune brain diseases, exporting brain substances that interact with the immune system, and hypothesize that CA may contain brain markers that m…

Source: Fight Aging!Category: Research Authors: Tags: Newsletters Source Type: blogs

A mucoadhesive nanogel is introduced to prolong the residence time and dramatically improve the drug efficiency in local cervical cancer therapy. This nanogel not only displays mucoadhesive properties that adhere strongly to mucins but also contributes to the penetration of drugs in epithelial cell monolayers. The new design with multivalent interactions exerts excellent anticancer activity in cervical cancer. AbstractCervical cancer treatment is subject to limited drug access to locally diseased targets and generally resistant to chemotherapy, thus it is essential to develop a local drug delivery system to overcome these …

Source: SmallCategory: Nanotechnology Authors: Tags: Full Paper Source Type: research

Conclusion Considering the domains of HRQoL of the women treated for cervical cancer, a better score was observed in the domains of physical and social/family wellbeing. For most domains, better scores were found between those with a current occupation, with a longer time after the diagnosis and treatment, and among those who had undergone a hysterectomy.Resumo Objetivo Analisar os fatores associados à qualidade de vida em mulheres com câncer de colo do útero tratadas em um hospital de referência no Rio de Janeiro, RJ, Brasil. Métodos Estudo transversal em mulheres com diagnóstico de…



Chiu-Min Lin1†, Ching-Fang Yu2,3†, Hsueh-Ya Huang1,4, Fang-Hsin Chen2,3,5, Ji-Hong Hong2,3,5 and Chi-Shiun Chiang1,6,7*

1Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan
2Department of Radiation Oncology, Chang Gung Memorial Hospital Linkou Branch, Taoyuan, Taiwan
3Radiation Biology Research Center, Institute for Radiological Research, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan
4Education &Medical Research National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan
5Department of Medical Imaging an…

Conclusions
In the span of a very short time—less than a decade—robotic head and neck surgery has transformed the management of the head and neck cancer, and it seems clear that the future of treatment for these cancers lies in a multimodal approach in which TORS is likely to play an important role. Nevertheless, it is important to keep in mind that the current indications for TORS are limited and long-term data on the safety and oncological outcomes are needed to better understand the true role of TORS in treatment of head and neck cancer. Nonetheless, the emergence of ever more advanced robotic instruments i…

This study highlights how the use of in vitro 3D model can allow rapid screening and selection of new and safer drugs.



Introduction
Angiogenesis is a complex and finely regulated process that consists of the growth of new capillary blood vessels from pre-existing vessels to create communication pathways among tissues. The coordination of different activities such as endothelial cell proliferation and migration, metalloproteinase function, integrin expression and pericyte stabilization is essential for angiogenesis (Folkman, 1984). The “angiogenic switch” is “on” when the balance between pro-…

This study was supported by the Shanghai Sailing Program [grant number 17YF1425200, 2017]; Chinese National Natural Science Funding [grant number 81702249, 2017]; Science and Technology Commission of Shanghai Municipality [grant number 17511103403, 2017]; The funder has no role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript.
Conflict of Interest Statement
The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
Acknowledgments
We acknowledge the ex…

Discussion
Suppressor of cytokine signaling 1 is an essential molecule for maintaining immune homeostasis and subverting inflammation. Disorders arising from excess inflammation or SOCS1 deficiency can be potentially treated with SOCS1 mimetics (Ahmed et al., 2015). While SOCS1 has promising potential in many disorders, it should be noted that new targets and actions of SOCS1 are still being discovered and not all the effects of this protein are beneficial in autoimmune diseases and cancer. For instance, SOCS1 degrades IRS1 and IRS2, required for insulin signaling, via the SOCS Box domain, thus, limiting its potential in …

Conclusion
In this article, we use the amphiphilic copolymer DSPE-SS-mPEG, which is connected by disulfide bonds. Afterward, the magnetic Fe3O4 nanoparticles and the hydrophobic drug are made by the self-assembly of the amphiphilic copolymer. DOX is encapsulated in the amphiphilic copolymer to form a magnetic nano drug controlled release system which is sensitive and responds to a reducing environment. This controlled release system can dissociate the disulfide bonds in the presence of dithiothreitol, thereby triggering the release system to disintegrate and expel the drug.
When the DOX-loaded nanocarrier is transported …



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