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https://www.readbyqxmd.com/read/28231584/characteristics-of-sarcoidosis-in-patients-with-previous-malignancy-causality-or-coincidence
#1
Nissim Arish, Rottem Kuint, Eli Sapir, Liran Levy, Avraham Abutbul, Zvi Fridlender, Uri Laxer, Neville Berkman
BACKGROUND: The association between sarcoidosis and malignancy is poorly defined. Sarcoidosis can precede, be diagnosed concurrently with, or follow malignancy. OBJECTIVES: We describe the clinical and radiological features of patients with sarcoidosis following malignancy to determine whether this association is causal or coincidental. METHODS: We performed a search for all patients with confirmed sarcoidosis following malignancy in our institution during 2001-2015...
February 24, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28231544/ginsenoside-rg3-promotes-cytotoxicity-of-paclitaxel-through-inhibiting-nf-%C3%AE%C2%BAb-signaling-and-regulating-bax-bcl-2-expression-on-triple-negative-breast-cancer
#2
Zuguo Yuan, Hao Jiang, Xinhai Zhu, Xinge Liu, Jinhui Li
Taxane-based chemotherapy regimen is the most effective therapeutic strategy for triple-negative breast cancer (TNBC) which is an aggressive subtype of breast cancer with high rate of recurrence and distant metastasis. Ginsenoside Rg3 is isolated from Panax ginseng with anti-cancer activity against carcinomas. We aim to evaluate the chemosensitizing effects of Ginsenoside Rg3 on TNBC cells and xenograft and explore the underlying mechanism. Human triple-negative breast cancer lines MDA-MB-231, MDA-MB-453 and BT-549 were used...
February 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28230165/mtdna-meta-analysis-reveals-both-phenotype-specificity-and-allele-heterogeneity-a-model-for-differential-association
#3
Shani Marom, Michael Friger, Dan Mishmar
Human mtDNA genetic variants have traditionally been considered markers for ancient population migrations. However, during the past three decades, these variants have been associated with altered susceptibility to various phenotypes, thus supporting their importance for human health. Nevertheless, mtDNA disease association has frequently been supported only in certain populations, due either to population stratification or differential epistatic compensations among populations. To partially overcome these obstacles, we performed meta-analysis of the multiple mtDNA association studies conducted until 2016, encompassing 53,975 patients and 63,323 controls...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28228260/chemotherapy-induced-ca-2-release-stimulates-breast-cancer-stem-cell-enrichment
#4
Haiquan Lu, Ivan Chen, Larissa A Shimoda, Youngrok Park, Chuanzhao Zhang, Linh Tran, Huimin Zhang, Gregg L Semenza
Breast cancer stem cells (BCSCs) play a critical role in tumor recurrence and metastasis. Exposure of breast cancer cells to chemotherapy leads to an enrichment of BCSCs. Here, we find that chemotherapy induces the expression of glutathione S-transferase omega 1 (GSTO1), which is dependent on hypoxia-inducible factor 1 (HIF-1) and HIF-2. Knockdown of GSTO1 expression abrogates carboplatin-induced BCSC enrichment, decreases tumor initiation and metastatic capacity, and delays tumor recurrence after chemotherapy...
February 21, 2017: Cell Reports
https://www.readbyqxmd.com/read/28224383/oncologist-and-organizational-factors-associated-with-variation-in-breast-cancer-multigene-testing
#5
Tracy A Lieu, G Thomas Ray, Stephanie R Prausnitz, Laurel A Habel, Stacey Alexeeff, Yan Li, Scott D Ramsey, Charles E Phelps, Neetu Chawla, Suzanne C O'Neill, Jeanne S Mandelblatt
PURPOSE: Multigene testing for breast cancer recurrence risk became available in 2007, yet many eligible patients remain untested. This study evaluated variation in testing rates, and oncologist and organizational factors associated with variation, in a setting without financial influences on testing. METHODS: We conducted a retrospective cohort study using electronic data and oncologist surveys within Kaiser Permanente Northern California, a large integrated health care system...
February 21, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28223674/-a-case-of-recurrent-breast-cancer-with-bone-metastasis-successfully-treated-with-everolimus-and-exemestane-therapy
#6
Hidefumi Kubo, Yuta Kimura, Toru Kawaoka, Makoto Miyahara, Ryouichi Shimizu, Yukiko Nagashima, Shigeru Yamamoto, Hiroaki Nagano
We report a case of a patient treated with everolimus and exemestane combination therapy for bone metastasis after breast surgery.The patient, a 58-year-old woman, consulted our department for back pain in October 2014.S he was diagnosed with left breast cancer when she was 41 years old.She had received Bt+Ax for left breast cancer and administered tamoxifen for 5 years.We decided on everolimus and exemestane combination therapy after observing an abnormal uptake in the 7th to 8th thoracic vertebrae on a PET-CT scan...
February 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28223669/-diagnosis-and-treatment-of-hboc-syndrome-by-a-breast-surgical-oncologist
#7
Kumiko Kida, Michiko Murai, Hideko Yamauchi
Of all breast cancer cases, 5-10% occur because of inherited germline mutation. For hereditary breast and ovarian cancer (HBOC)syndrome, congenital knowledge and strategies for breast cancer treatment and risk reduction are necessary. Regarding the surgical procedure for the cancer site, the ipsilateral breast tumor recurrence rate following breast-conserving surgery in breast cancers with BRCA1/2 mutation is not significantly higher than that in sporadic breast cancers. In addition, prognosis did not differ according to surgical methods...
February 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28222219/longitudinal-follow-up-of-adult-survivors-of-ewing-sarcoma-a-report-from-the-childhood-cancer-survivor-study
#8
Neyssa M Marina, Qi Liu, Sarah S Donaldson, Charles A Sklar, Gregory T Armstrong, Kevin C Oeffinger, Wendy M Leisenring, Jill P Ginsberg, Tara O Henderson, Joseph P Neglia, Marilyn A Stovall, Yutaka Yasui, R Lor Randall, David S Geller, Leslie L Robison, Kirsten K Ness
BACKGROUND: Ewing sarcoma survivors (ESSs) are at increased risk for treatment-related complications. The incidence of treatment-related morbidity and late mortality with aging is unknown. METHODS: This study reports survival probabilities, estimated with the Kaplan-Meier method, and the cumulative incidence of cause-specific mortality and chronic conditions among ESSs in the Childhood Cancer Survivor Study who were treated between 1970 and 1986. Piecewise exponential models were used to estimate relative rates (RRs) and 95% confidence intervals (CIs) for these outcomes...
February 21, 2017: Cancer
https://www.readbyqxmd.com/read/28222111/a-meta-analysis-of-the-abscopal-effect-in-preclinical-models-is-the-biologically-effective-dose-a-relevant-physical-trigger
#9
Raffaella Marconi, Silvia Strolin, Gianluca Bossi, Lidia Strigari
BACKGROUND: Preclinical in vivo studies using small animals are considered crucial in translational cancer research and clinical implementation of novel treatments. This is of paramount relevance in radiobiology, especially for any technological developments permitted to deliver high doses in single or oligo-fractionated regimens, such as stereotactic ablative radiotherapy (SABR). In this context, clinical success in cancer treatment needs to be guaranteed, sparing normal tissue and preventing the potential spread of disease or local recurrence...
2017: PloS One
https://www.readbyqxmd.com/read/28222068/inhibition-of-cdk5-induces-cell-death-of-tumor-initiating-cells
#10
Melanie M Mandl, Siwei Zhang, Melanie Ulrich, Elisa Schmoeckel, Doris Mayr, Angelika M Vollmar, Johanna Liebl
BACKGROUND: Tumour-initiating cells (TICs) account for chemoresistance, tumour recurrence and metastasis, and therefore represent a major problem in tumour therapy. However, strategies to address TICs are limited. Recent studies indicate Cdk5 as a promising target for anti-cancer therapy and Cdk5 has recently been associated with epithelial-mesenchymal transition (EMT). However, a role of Cdk5 in TICs has not been described yet. METHODS: Expression of Cdk5 in human cancer tissue was analysed by staining of a human tissue microarray (TMA)...
February 21, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28221401/s%C3%A3-mre-prognos-f%C3%A3-r-unga-kvinnor-med-br%C3%A3-stcancer-fr%C3%A3-gest%C3%A3-llningar-s%C3%A3-som-fertilitet-och-graviditet-viktiga-att-beakta
#11
Irma Fredriksson, Hanna Fredholm
Breast cancer in young women is uncommon, but the second most frequent cause of death in this age group. Young women with breast cancer have a worse prognosis than middle-aged women, with a higher risk of local recurrence, distant disease and breast cancer death. This can partly be explained by diagnosis at a later stage, and a higher proportion of tumors with unfavourable characteristics. However, in women with tumors of the luminal B subtype, low age remained an independent prognostic factor of DDFS and LRFS after correction for stage, tumor characteristics and treatment...
February 14, 2017: Läkartidningen
https://www.readbyqxmd.com/read/28221191/the-assessment-of-estrogen-receptor-status-and-its-intratumoral-heterogeneity-in-breast-cancer-patients-by-using-18-f-fluoroestradiol-pet-ct
#12
Zhongyi Yang, Yifei Sun, Xiaoping Xu, Yongping Zhang, Jianping Zhang, Jing Xue, Mingwei Wang, Huiyu Yuan, Silong Hu, Wei Shi, Beiling Zhu, Yingjian Zhang
AIM: The aim of this study was to investigate the clinical value of F-fluoroestradiol (F-FES) PET/CT in the assessment of the estrogen receptor (ER) and its intratumoral heterogeneity in breast cancer patients. METHODS: Forty-six female patients (50 lesions) with histologically confirmed invasive breast cancer who underwent both F-FES and F-FDG PET/CT in our center were retrospectively included. All the patients enrolled were scheduled to undergo biopsy. The F-FES and FDG uptakes were compared with pathological features (tumor size, ER, progesterone receptor, human epidermal growth factor receptor 2, and Ki67%)...
February 17, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28220470/liver-resection-for-her2-enriched-breast-cancer-metastasis-case-report-and-review-of-the-literature
#13
Mai Temukai, Hajime Hikino, Yoshinari Makino, Yoko Murata
Liver metastasis from breast cancer usually results in the development of systemic metastasis. We report a breast cancer patient with an early isolated liver recurrence who survived more than 7 years with no recurrence. She was treated with aggressive HER2-directed chemotherapy and hepatic metastasectomy. Local hepatectomy with effective medical oncological therapy with curative intent is worth trying in patients with breast cancer liver metastasis.
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28219911/triple-negative-breast-cancer-with-brain-metastasis-in-a-pregnant-woman
#14
Francisco Trinca, Mariana Inácio, Teresa Timóteo, Rui Dinis
A woman aged 35 years was diagnosed with triple-negative breast cancer in October 2012. During the investigation, it was discovered that she was pregnant, the patient decided to have an abortion. She was submitted to a radical modified mastectomy and adjuvant chemotherapy followed by adjuvant breast radiotherapy of the left breast. 2 months after the adjuvant treatment, she began to have headaches and dizziness. The cranial MRI (head MRI) showed brain metastasis. She was then treated with whole brain radiotherapy, stereotactic radiosurgery and concomitant temozolomide which resulted in complete response...
February 20, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28216163/il-33-facilitates-endocrine-resistance-of-breast-cancer-by-inducing-cancer-stem-cell-properties
#15
Haiyan Hu, Jiaxing Sun, Chunhong Wang, Xiangmao Bu, Xiangping Liu, Yan Mao, Haibo Wang
Breast cancers with estrogen receptor (ER) expressions account for the majority of all clinical cases. Due to hormone therapy with tamoxifen, prognoses of patients with ER-positive breast cancer are significantly improved. However, endocrine resistance to tamoxifen is common and inevitable, leading to compromised efficacy of hormone therapy. Herein, we identify a crucial role of IL-33 in inducing endocrine resistance of breast cancer. IL-33 overexpression in breast cancer cells results in resistance to tamoxifen-induced tumor growth inhibition, while IL-33 knockdown corrects this problem...
February 16, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28214785/oncoplastic-breast-conservation-surgery-is-oncologically-safe-when-compared-to-wide-local-excision-and-mastectomy
#16
J Mansell, E Weiler-Mithoff, S Stallard, J C Doughty, E Mallon, L Romics
BACKGROUND: Support for the oncological safety of oncoplastic breast conservation surgery (OBCS) is mostly based on evidence comparing recurrence rates after OBCS to wide local excision (WLE). However, OBCS is often indicated for larger cancers and oncological results should also be compared to patients treated with mastectomy. In this study we compared recurrence and survival following OBCS, mastectomy and WLE. METHODS: Patients treated with OBCS between 2009 and 2012 were identified from a prospectively maintained database...
February 16, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28214053/standardization-of-oncoplastic-breast-conserving-surgery
#17
REVIEW
W P Weber, S D Soysal, I Fulco, M Barandun, D Babst, D Kalbermatten, D J Schaefer, D Oertli, E A Kappos, M Haug
The emphasis on esthetic outcomes and quality of life after breast cancer surgery has motivated surgeons to develop oncoplastic breast conserving surgery (OPS). Training programs are still rare in most countries, and there is little standardization, which challenges the scientific evaluation of the techniques. The present article attempts to standardize OPS nomenclature, indications, and reconstruction choice selection embedded in a thorough review of the literature. We propose four breast conserving surgery (BCS) categories: Conventional tumorectomy, oncoplastic mastopexy, oncoplastic tumorectomy and oncoplastic reduction mammoplasty...
January 31, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28214052/high-tumor-infiltrating-foxp3-t-cells-predict-poor-survival-in-estrogen-receptor-positive-breast-cancer-a-meta-analysis
#18
F Qian, Y Qingping, W Linquan, H Xiaojin, W Rongshou, R Shanshan, L Wenjun, H Yong, L Enliang
AIMS: Tumor-infiltrating FoxP3(+) T cells and FoxP3(+) tumor cells have been reported in breast cancer (BC), which impaired immunity and promoted tumors progression. However, their prognostic value for survival in patients with breast BC remains controversial. METHODS: A meta-analysis was performed. Original data included the hazard ratios (HR) of overall survival (OS), relapse-free survival and odds ratio (OR) in BC patients. We pooled HR/OR with 95% confidence intervals (CI) to estimate the hazard...
January 30, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28214016/melk-expression-in-ovarian-cancer-correlates-with-poor-outcome-and-its-inhibition-by-otssp167-abrogates-proliferation-and-viability-of-ovarian-cancer-cells
#19
Reto S Kohler, Henriette Kettelhack, Alexandra M Knipprath-Mészaros, André Fedier, Andreas Schoetzau, Francis Jacob, Viola Heinzelmann-Schwarz
OBJECTIVE: Maternal embryonic leucine-zipper kinase (MELK) shows oncogenic properties in basal-like breast cancer, a cancer subtype sharing common molecular features with high-grade serous ovarian cancer. We examined the potential of MELK as a molecular and pharmacological target for treatment of epithelial ovarian cancer (EOC). METHODS/MATERIALS: Bioinformatic analysis was performed on nine OC transcriptomic data sets totaling 1241 patients. Effects of MELK depletion by shRNA or inhibition by OTSSP167 in cell lines were assessed by colony formation and MTT (proliferation) assays, Western blotting (apoptosis), and flow cytometry (cell cycle analysis)...
February 14, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28213783/high-pten-gene-expression-is-a-negative-prognostic-marker-in-human-primary-breast-cancers-with-preserved-p53-function
#20
Synnøve Yndestad, Eilin Austreid, Stian Knappskog, Ranjan Chrisanthar, Peer Kåre Lilleng, Per Eystein Lønning, Hans Petter Eikesdal
PURPOSE: PTEN is an important tumor suppressor in breast cancer. Here, we examined the prognostic and predictive value of PTEN and PTEN pseudogene (PTENP1) gene expression in patients with locally advanced breast cancer given neoadjuvant chemotherapy. METHODS: The association between pretreatment PTEN and PTENP1 gene expression, response to neoadjuvant chemotherapy, and recurrence-free and disease-specific survival was assessed in 364 patients with locally advanced breast cancer given doxorubicin, 5-fluorouracil/mitomycin, or epirubicin versus paclitaxel in three phase II prospective studies...
February 17, 2017: Breast Cancer Research and Treatment
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