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https://www.readbyqxmd.com/read/28730767/the-role-of-interleukin-8-and-matrix-metalloproteinases-2-and-9-in-breast-cancer-treated-with-tamoxifen-cell-lines
#1
Jelena Milovanovic, Natasa Todorovic-Rakovic, Zaki Abu Rabi
PURPOSE: To evaluate the role of interleukin 8 (IL8) and matrix metalloproteinase (MMP) 2 and 9 as potential parameters of response to adjuvant tamoxifen and to examine possible associations between biomarkers that might imply possible biological dependence. METHODS: The study included 59 postmenopausal breast cancer patients who received adjuvant tamoxifen. Biomarker levels were determined by ELISA in cytosol tumor extracts. RESULTS: Estrogen receptor (ER) proved as a reliable parameter of response to tamoxifen; patients with ER+ status had significantly longer median relapse-free survival (RFS) compared to those with ER- status (p=0...
May 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28730338/jagged1-promotes-aromatase-inhibitor-resistance-by-modulating-tumor-associated-macrophage-differentiation-in-breast-cancer-patients
#2
Hang Liu, Jingxuan Wang, Minghui Zhang, Qijia Xuan, Zhipeng Wang, Xin Lian, Qingyuan Zhang
PURPOSE: Endocrine resistance limits the efficacy of anti-estrogen therapies. Notch signaling is involved in modulating tumor-associated macrophage (TAM) differentiation and is upregulated in endocrine-resistant breast cancer cells. Here, we analyzed the role of Jagged1 in the regulation of TAM polarization to investigate whether the Jagged1-Notch pathway promotes the acquisition of aromatase inhibitor (AI) resistance by upregulating TAM infiltration. METHODS: The Jagged1 expression levels and M2 TAM infiltration density, in 203 tumor samples from ER-positive postmenopausal patients, who received AI treatment, were evaluated by immunohistochemical staining and the results were compared with clincopathological parameters and survival...
July 20, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28729638/inhibition-of-microrna-214-promotes-epithelial-mesenchymal-transition-process-and-induces-interstitial-cystitis-in-postmenopausal-women-by-upregulating-mfn2
#3
Jian-Wei Lv, Wei Wen, Chen Jiang, Qi-Bo Fu, Yin-Jun Gu, Ting-Ting Lv, Zhen-Dong Li, Wei Xue
Our study aims to investigate the roles that microRNA-214 (miR-214) plays in the epithelial mesenchymal transition (EMT) process and the development of interstitial cystitis (IC) in postmenopausal women by targeting Mitofusin 2 (Mfn2). IC bladder tissues and adjacent normal bladder tissues were collected from postmenopausal women. Immunohistochemistry (IHC) staining was conducted. The target relationship between miR-214 and Mfn2 was determined by a dual luciferase reporter gene assay. Adipose-derived mesenchymal stem cells (ADMSCs) were extracted from postmenopausal rats and assigned to the blank, mimics, miR-214 inhibitors, mimics negative control (NC), inhibitors NC, Mfn2 siRNA, miR-214 inhibitors and Mfn2 siRNA groups...
July 21, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28729098/a-multicentre-retrospective-review-of-clinical-characteristics-of-uterine-sarcoma
#4
Marta Wais, Elissa Tepperman, Marcus Q Bernardini, Lilian T Gien, Waldo Jimenez, Ally Murji
OBJECTIVE: Professional societies have recently urged gynaecologists to counsel patients about the risks of encountering uterine sarcoma at fibroid surgery especially when morcellation is used. Our objective was to learn the preoperative and postoperative characteristics of patients with uterine sarcoma to better counsel patients undergoing surgery for presumably benign fibroids. METHODS: This is a multicentre, retrospective cohort study. Three academic tertiary cancer centres in Southern Ontario over a 13-year period (2001-2014)...
August 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28728533/lifestyle-inequalities-explaining-socioeconomic-differences-in-preventive-practices-of-clinically-overweight-women-after-menopause
#5
Mélisa Audet, Alex Dumas, Rachelle Binette, Isabelle J Dionne
Excess weight and menopause are two major factors increasing aging women's vulnerability to chronic diseases. However, social position and socioeconomic status have also been identified as major determinants influencing both health behaviors and the development of such diseases. This study focuses on the socioeconomic variations of behavioral risk factors of chronic diseases in aging women. By drawing on Bourdieu's sociocultural theory of practice, 40 semistructured interviews were conducted to investigate preventive health practices of clinically overweight, postmenopausal women from contrasting socioeconomic classes living in Canada...
August 2017: Qualitative Health Research
https://www.readbyqxmd.com/read/28728291/-relationship-of-endometrial-thickness-and-endometrial-cancer-risk-in-postmenopausal-women
#6
L Li, M Wu
Evaluation of the vaginal bleeding of postmenopausal women is crucial to diagnose endometrial lesions. Endometrial thickness measured by transvaginal ultrasonography provides an important reference for diagnosis. Currently, no specific cut-off value of endometrial thickness has been identified to predict the malignant risk for endometrial thickening and postmenopausal women without any symptoms. Most of resected endometrial specimens from postmenopausal women without any symptoms are diagnosed as benign or normal tissues...
July 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28728134/serum-vitamin-d-and-risk-of-breast-cancer-within-five-years
#7
Katie M O'Brien, Dale P Sandler, Jack A Taylor, Clarice R Weinberg
BACKGROUND: Vitamin D is an environmental and dietary agent with known anticarcinogenic effects, but protection against breast cancer has not been established. OBJECTIVE: We evaluated the association between baseline serum 25-hydroxyvitamin D [25(OH)D] levels, supplemental vitamin D use, and breast cancer incidence over the subsequent 5 y of follow-up. METHODS: From 2003-2009, the Sister Study enrolled 50,884 U.S. women 35-74 y old who had a sister with breast cancer but had never had breast cancer themselves...
July 6, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28727815/polymorphisms-associated-with-everolimus-pharmacokinetics-toxicity-and-survival-in-metastatic-breast-cancer
#8
Tomas Pascual, María Apellániz-Ruiz, Cristina Pernaut, Cecilia Cueto-Felgueroso, Pablo Villalba, Carlos Álvarez, Luis Manso, Lucia Inglada-Pérez, Mercedes Robledo, Cristina Rodríguez-Antona, Eva Ciruelos
PURPOSE: Metastatic breast cancer (MBC) progressing after endocrine therapy frequently activates PI3K/AKT/mTOR pathway. The BOLERO-2 trial showed that everolimus-exemestane achieves increased progression free survival (PFS) compared with exemestane. However, there is great inter-patient variability in toxicity and response to exemestane-everolimus treatment. The objective of this study was to perform an exploratory study analyzing the implication of single nucleotide polymorphisms (SNPs) on outcomes from this treatment through a pharmacogenetic analysis...
2017: PloS One
https://www.readbyqxmd.com/read/28726540/mechanisms-of-the-analgesic-effect-of-calcitonin-on-chronic-pain-by-alteration-of-receptor-or-channel-expression
#9
Akitoshi Ito, Megumu Yoshimura
The polypeptide hormone calcitonin is well known clinically for its ability to relieve osteoporotic back pain and neuropathic pain such as spinal canal stenosis, diabetic neuropathy, chemotherapy-induced neuropathy, and complex regional pain syndrome. Because the analgesic effects of calcitonin have a broad range, the underlying mechanisms of pain relief by calcitonin are largely unknown. However, recent studies using several types of chronic pain models combined with various methods have been gradually clarifying the mechanism...
January 2017: Molecular Pain
https://www.readbyqxmd.com/read/28725907/development-of-a-new-immunoassay-for-human-cathepsin-k-generated-periostin-fragments-as-a-serum-biomarker-for-cortical-bone
#10
Patrick Garnero, Nicolas Bonnet, Serge L Ferrari
Periostin is a matricellular protein mainly expressed by periosteal cells and osteocytes in bone, but is also present in several other tissues. Available immunoassays use antibodies of unclear specificity. The aim of the study was to develop a bone-specific periostin ELISA based on the detection of fragments generated by the osteoclastic and osteocytic protease cathepsin K. In vitro digestion of human recombinant intact periostin by cathepsin K leads to the generation of multiple fragments. Using LS-MS/MS, it was found that the GSLQPIIK peptide was the most efficiently and abundantly generated periostin fragment...
July 19, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28725051/mammographic-density-blood-telomere-length-and-lipid-peroxidation
#11
Natalie J Erdmann, Lea A Harrington, Lisa J Martin
Extensive mammographic density is a strong risk factor for breast cancer, but may also be an indicator of biological age. In this study we examined whether mammographic density is related to blood telomere length, a potential marker of susceptibility to age-related disease. We measured mammographic density by a computer assisted method and blood telomere length using a validated PCR method. Urinary malondialdehyde (MDA), a marker of lipid peroxidation, was measured in 24 hour urine collections. In the 342 women examined telomere length was negatively correlated with age, was lower in postmenopausal compared to premenopausal women and in smokers compared to non-smokers, and was positively correlated with urinary MDA...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724271/comparison-of-histopathologic-features-of-endometrial-cancer-based-on-menopausal-status-and-safety-of-ovarian-preservation-in-premenopausal-women
#12
Ozgur Kan, Aysegul Alkilic, Elif Nazlı Cetindag Aydın, Kazibe Koyuncu, Salih Taskin, Firat Ortac
The aim of this study was to investigate the frequency of coexisting ovarian malignancy and to determine whether ovarian preservation is feasible in premenopausal endometrial cancer (EC) patients. The data of 251 patients with endometrioid type endometrial cancer were retrospectively reviewed. We classified patients into two groups based on menopausal status. Information regarding patient age, preoperative and intraoperative evaluations, pathology reports, and follow-up results were abstracted from medical records...
May 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28721839/branched-chain-amino-acid-meat-intake-and-risk-of-type-2-diabetes-in-the-women-s-health-initiative
#13
Masoud Isanejad, Andrea Z LaCroix, Cynthia A Thomson, Lesley Tinker, Joseph C Larson, Qibin Qi, Lihong Qi, Rhonda M Cooper-DeHoff, Lawrence S Phillips, Ross L Prentice, Jeannette M Beasley
Knowledge regarding association of dietary branched-chain amino acid (BCAA) and type 2 diabetes (T2D), and the contribution of BCAA from meat to the risk of T2D are scarce. We evaluated associations between dietary BCAA intake, meat intake, interaction between BCAA and meat intake and risk of T2D. Data analyses were performed for 74 155 participants aged 50-79 years at baseline from the Women's Health Initiative for up to 15 years of follow-up. We excluded from analysis participants with treated T2D, and factors potentially associated with T2D or missing covariate data...
June 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28721834/the-interaction-between-nutrition-and-exercise-for-promoting-health-and-performance
#14
Oliver C Witard, Derek Ball
The theme of The Nutrition Society Spring Conference 2017 was on the interaction between nutrition and exercise for promoting healthy ageing, maintaining cognitive function and improving the metabolic health of the population. The importance of this theme is highlighted by the public health issues surrounding obesity, diabetes and the age-related loss of skeletal muscle mass (sarcopenia). The opening symposium provided a historical perspective of both invasive and non-invasive methodologies for measuring exercise energetics and energy balance...
July 19, 2017: Proceedings of the Nutrition Society
https://www.readbyqxmd.com/read/28721438/serum-adiponectin-predicts-fracture-risk-in-individuals-with-type-2-diabetes-the-fukuoka-diabetes-registry
#15
Yuji Komorita, Masanori Iwase, Hiroki Fujii, Toshiaki Ohkuma, Hitoshi Ide, Tamaki Jodai-Kitamura, Akiko Sumi, Masahito Yoshinari, Udai Nakamura, Dongchon Kang, Takanari Kitazono
AIMS/HYPOTHESIS: Serum adiponectin has been reported to impact upon fracture risk in the general population. Although type 2 diabetes is associated with increased fracture risk, it is unclear whether serum adiponectin predicts fractures in individuals with type 2 diabetes. The aim of the study was to prospectively investigate the relationship between serum adiponectin and fracture risk in individuals with type 2 diabetes. METHODS: In this study, data was obtained from The Fukuoka Diabetes Registry, a multicentre prospective study designed to investigate the influence of modern treatments on the prognoses of patients with diabetes mellitus...
July 18, 2017: Diabetologia
https://www.readbyqxmd.com/read/28721436/age-at-natural-menopause-and-risk-of-type-2-diabetes-a-prospective-cohort-study
#16
Taulant Muka, Eralda Asllanaj, Naim Avazverdi, Loes Jaspers, Najada Stringa, Jelena Milic, Symen Ligthart, M Arfan Ikram, Joop S E Laven, Maryam Kavousi, Abbas Dehghan, Oscar H Franco
AIMS/HYPOTHESIS: In this study, we aimed to examine the association between age at natural menopause and risk of type 2 diabetes, and to assess whether this association is independent of potential mediators. METHODS: We included 3639 postmenopausal women from the prospective, population-based Rotterdam Study. Age at natural menopause was self-reported retrospectively and was treated as a continuous variable and in categories (premature, <40 years; early, 40-44 years; normal, 45-55 years; and late menopause, >55 years [reference])...
July 18, 2017: Diabetologia
https://www.readbyqxmd.com/read/28721217/an-fsh-and-tsh-pituitary-adenoma-presenting-with-precocious-puberty-and-central-hyperthyroidism
#17
Guadalupe Vargas, Lourdes-Josefina Balcazar-Hernandez, Virgilio Melgar, Roser-Montserrat Magriña-Mercado, Baldomero Gonzalez, Javier Baquera, Moisés Mercado
A 19-year-old woman with a history of isosexual precocious puberty and bilateral oophorectomy at age 10 years because of giant ovarian cysts, presents with headaches and mild symptoms and signs of hyperthyroidism. Hormonal evaluation revealed elevated FSH and LH levels in the postmenopausal range and free hyperthyroxinemia with an inappropriately normal TSH. Pituitary MRI showed a 2-cm macroadenoma with suprasellar extension. She underwent successful surgical resection of the pituitary tumor, which proved to be composed of two distinct populations of cells, each of them strongly immunoreactive for FSH and TSH, respectively...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28721145/increased-plasma-concentrations-of-interleukin-35-in-patients-with-coronary-artery-disease
#18
Paulina Gorzelak-Pabiś, Maciej Chalubinski, Katarzyna Wojdan, Emilia Luczak, Iwona Duraj, Monika Mozdzan, Marlena Broncel
INTRODUCTION: Atherosclerosis leading to coronary artery disease (CAD) is a chronic inflammatory condition. Interleukin 35 (IL-35) released by regulatory T cells (Tregs) has been found to be associated with CAD in the Chinese population. However, nothing is known about the relation between IL-35 concentrations and cholesterol levels. The aim of the study was to assess the levels of IL-35 in CAD patients and healthy subjects from a Caucasian population, and to analyze the relationship between IL-35 and the levels of total cholesterol, low-density lipoprotein (LDL) and high-density lipoprotein (HDL) cholesterol, left ventricular ejection fraction (LVEF), sex and postmenopausal status...
June 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28721134/osteoporosis-in-men
#19
REVIEW
Waldemar Misiorowski
Osteoporotic fractures are the leading cause of morbidity and mortality among aging men. 30% of all hip fractures occur in men, and mortality resulting from not only the hip fracture, but also the spine and other major osteoporotic fractures, is significantly higher in men than in women. As in women, hypogonadism is the best documented risk factor for developing osteoporosis in men. In older men, testosterone levels are negatively correlated with the risk of fractures, and it seems that this age-related testosterone deficiency should not be considered as one of the many causes of secondary osteoporosis, rather one of the major and most important mechanisms of senile osteoporosis...
June 2017: Przeglad Menopauzalny, Menopause Review
https://www.readbyqxmd.com/read/28721126/the-thyroid-gland-in-postmenopausal-women-physiology-and-diseases
#20
REVIEW
Małgorzata Gietka-Czernel
The incidence of most thyroid diseases: hypothyroidism, nodular goitre, and cancer is highest among postmenopausal and elderly women. The diagnosis of thyroid dysfunction in this group of patients is difficult because the symptoms can be nonspecific or common with menopausal and ageing complaints. In the interpretation of thyroid function tests the physiological changes in secretion and metabolism of thyrotropin (TSH) and thyroid hormones must be considered, as well as the influence of comorbidities. Unrecognised thyroid dysfunction leads to increased: cardiovascular risk, bone fractures, cognitive impairment, depression, and mortality...
June 2017: Przeglad Menopauzalny, Menopause Review
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