SABCS15: 'Weeding the garden' with radiation while continuing breast cancer therapy

An ongoing phase IIR/III clinical trial seeks to answer an important question in the treatment of early metastatic breast cancer: Should surgery or stereotactic body radiation be used to 'weed the garden' of a few sites of metastasis while continuing treatment that may still be controlling the initial tumor?
Source: ScienceDaily Headlines - Category: Science Source Type: news

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Human tissue kallikrein (KLK) proteases are hormone-like signaling molecules with important functions in cancer pathophysiology. KLK-related peptidase 6 (KLK6), specifically, is highly up-regulated in several types of cancer, where its increased activity promotes cancer invasion and metastasis. This characteristic suggests KLK6 as an attractive target for therapeutic interventions. However, inhibitors that specifically target KLK6 have not yet been reported, possibly because KLK6 shares a high sequence homology and structural similarity with other serine proteases and resists inhibition by many polypeptide inhibitors. Here...
Source: Journal of Biological Chemistry - Category: Chemistry Authors: Tags: Enzymology Source Type: research
ConclusionNone of the treatment methods applied ensured a full release of the restriction within the shoulder and upper limb. The deficits observed may constitute a serious disorder of the musculoskeletal system; therefore, a clinical study of biomechanical parameters of the shoulder joint may be an important control of patients’ functional status after breast cancer treatment.
Source: Reports of Practical Oncology and Radiotherapy - Category: Cancer & Oncology Source Type: research
CONCLUSIONS: Cancer cells with low K-H expression may have exploitable BRCAness properties that greatly expands use of PARP inhibitors beyond BRCA mutations. Our results suggest that aberrant K-H alterations may have vital translational implications in cellular responses/survival to DNA damage, carcinogenesis and personalized medicine. PMID: 30108102 [PubMed - as supplied by publisher]
Source: Clinical Cancer Research - Category: Cancer & Oncology Authors: Tags: Clin Cancer Res Source Type: research
Abstract Breast cancer stem cells (BCSCs) are a small population of tumor-initiating cells that express stem cell-associated markers. In recent years, their properties and mechanisms of regulation have become a focus for intense research due to their intrinsic resistance to conventional cancer therapies. This review describes breast cancer stem cell origin, signaling pathways involved in self-renewal, such as Wnt, Notch and Hedgehog, biomarkers linked to stemness, and the role of sex steroid hormones on BCSC regulation. PMID: 30095060 [PubMed - as supplied by publisher]
Source: Current Stem Cell Research and Therapy - Category: Stem Cells Authors: Tags: Curr Stem Cell Res Ther Source Type: research
(University of East Anglia) A new cancer therapy using nanoparticles to deliver a combination therapy direct to cancer cells could be on the horizon.Using nanoparticles to get drugs directly into a tumor is a growing area of cancer research. The technology developed at UEA is the first of its kind to use nanoparticles to deliver two drugs in combination to target cancer cells. The therapy has been shown to make breast cancer and prostate cancer tumors more sensitive to chemotherapy.
Source: EurekAlert! - Medicine and Health - Category: International Medicine & Public Health Source Type: news
Conclusions: History of alendronate use is associated with a lower likelihood of bone metastases in postmenopausal women with early breast cancer. Oral bisphosphonate treatment could be sufficient for reducing the risk of bone metastases.
Source: Journal of Bone Oncology - Category: Cancer & Oncology Source Type: research
In conclusion, we visualized that the synthesized DTX-nanomicelles can be used as an anticancer drug delivery system considering their useful biocompatibility and excellent physicochemical properties.Graphical abstract
Source: European Polymer Journal - Category: Chemistry Source Type: research
Abstract BMI-1 (B-lymphoma Mo-MLV insertion region 1) is a key protein partner in polycomb repressive complex 1 (PRC1) that helps in maintaining the integrity of the complex. It is also a key player in ubiquitination of histone H2A which affects gene expression pattern involved in various cellular processes such as cell proliferation, growth, DNA repair, apoptosis and senescence. In many cancers, Overexpression of BMI1correlates with advanced stages of disease, aggressive clinicopathological behavior, poor prognosis resistance to radiation and chemotherapy. BMI1 is emerging as a key player in EMT, chemo-resistance...
Source: Gene - Category: Genetics & Stem Cells Authors: Tags: Gene Source Type: research
×. Güniz Küçükgüzel Cyclooxygenase enzymes play a vital role in inflammatory pathways in the human body. Apart from their relation with inflammation, the additional involvement of COX-2 enzyme with cancer activity was recently discovered. In some cancer types the level of COX-2 enzyme is increased indicating that this enzyme could be a suitable target for cancer therapy. Based on these findings, we have synthesized some new diflunisal thiosemicarbazides and 1,2,4-triazoles and tested them against androgen-independent prostate adenocarcinoma (PC-3), colon carcinoma (HCT-116), human breast canc...
Source: Molecules - Category: Chemistry Authors: Tags: Article Source Type: research
With a new artificial intelligence (AI) algorithm, planning for radiation therapy...Read more on AuntMinnie.comRelated Reading: Can AI best quantitative MRI in prostate lesions? Breast cancer follow-up imaging varies widely SNMMI: Early prostate cancer therapy extends lives SNMMI: Fluciclovine-PET changes prostate treatment SNMMI: New therapy aids patients with neuroendocrine tumors
Source: AuntMinnie.com Headlines - Category: Radiology Source Type: news
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