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https://www.readbyqxmd.com/read/29197120/resveratrol-inhibits-obesity-associated-adipose-tissue-dysfunction-and-tumor-growth-in-a-mouse-model-of-postmenopausal-claudin-low-breast-cancer
#1
Emily L Rossi, Subreen A Khatib, Steven S Doerstling, Laura W Bowers, Melissa Pruski, Nikki A Ford, Randolph D Glickman, Mengmeng Niu, Peiying Yang, Zhengrong Cui, John DiGiovanni, Stephen D Hursting
Adipose tissue dysregulation, a hallmark of obesity, contributes to a chronic state of low-grade inflammation and is associated with increased risk and progression of several breast cancer subtypes, including claudin-low breast tumors. Unfortunately, mechanistic targets for breaking the links between obesity-associated adipose tissue dysfunction, inflammation, and claudin-low breast cancer growth have not been elucidated. Ovariectomized female C57BL/6 mice were randomized (n = 15/group) to receive a control diet, a diet-induced obesity (DIO) diet, or a DIO + resveratrol (0...
November 20, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/29136770/magnesium-valproate-ameliorates-type-1-diabetes-and-cardiomyopathy-in-diabetic-rats-through-estrogen-receptors
#2
Samir Rabadiya, Shradhha Bhadada, Ashvin Dudhrejiya, Devendra Vaishnav, Bhoomika Patel
Estrogen is known to exhibit cardioprotective and antihyperlipidemic action. Valproic acid has been shown to upregulate estrogen receptors (ERs) in breast and prostate cancer tissues. No pharmacological evaluations for magnesium valproate (MgV) so far have been done for diabetic cadio-lipidemic complications. Based on the above context, current study was undertaken to evaluate the therapeutic effectiveness of MgV in cardiac complications associated with type-1 diabetes mellitus in rats wherein diabetes was induced by single tail vein injection of streptozotocin (STZ, 45mg/kg, IV) in female Sprague Dawley rats and treatment of MgV (210mg/kg, PO) was given for eight weeks to diabetic animals, after which, various biochemical and cardiac biomarkers, hypertrophic, hemodynamic and histological parameters along with immunohistochemistry of ERs in the left ventricle (LV) were estimated...
November 7, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29125118/research-advances-of-calcium-and-integrin-binding-protein-1-in-tumors
#3
Ling Hui, Fang Wang
Calcium-and integrin-binding protein 1(CIB1),a member of calcium binding protein containing EF-hand domain,has been shown to bind a variety of signaling proteins. Interaction of CIB1 with its various binding partners provides valuable insight into potential mechanisms by which CIB1 may regulate diverse tumors characteristic biological process that range from adhesion,migration,cell survival,proliferation,and angiogenesis. CIB1 has also been implicated in both the increase and decrease of cell proliferation...
October 30, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/29108556/long-term-thermal-manipulation-in-the-late-incubation-period-can-inhibit-breast-muscle-development-by-activating-endoplasmic-reticulum-stress-in-duck-anasplatyrhynchos-domestica
#4
Xinxin Li, Jiamin Qiu, Hehe Liu, Yushi Wang, Jiwei Hu, Xiang Gan, Jiwen Wang
Poultry embryos are easily affected by environmental changings during incubation, thereinto, the temperature modification is the most important one, but the mechanism of temperature effects on bird eggs is not clear. By using RNA-seq, we have previously found that endoplasmic reticulum stress (ERS) may involve in regulating embryonic muscle development of duck under the influence of temperature alteration. To further clarify the role of ERS in the effect, in the present study, we detected the impact of increasing the incubation temperature by 1℃ during embryonic days 10-27 (E10-27) on the development of duck embryos, and investigated the changes in mRNA and protein expression of ERS marker genes and muscle-related genes under the thermal manipulation (TM)...
December 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/29103325/myofibrillogenesis-regulator-1-mr-1-a-potential-therapeutic-target-for-cancer-and-pnkd
#5
Junxia Wang, Wuli Zhao, Hong Liu, Hongwei He, Rongguang Shao
Human myofibrillogenesis regulator 1 (MR-1) is a functional gene also known as paroxysmal nonkinesigenic dyskinesia (PNKD). It is localised on human chromosome 2q35 and three different isomers, MR-1L, MR-1M and MR-1S, are formed by alternative splicing. MR-1S promotes cardiac hypertrophy and is closely related to cancer. MR-1S is overexpressed in haematologic and solid malignancies, such as hepatoma, breast cancer and chronic myelogenous leukaemia. MR-1S causes disordered cell differentiation, initiates malignant transformation and accelerates metastasis...
November 15, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/29033391/breast-diseases-in-children-the-spectrum-of-radiologic-findings-in-a-cohort-study
#6
Emel Durmaz, Murat Alp Öztek, Hatice Arıöz Habibi, Uğur Kesimal, Hakkı Timur Sindel
PURPOSE: We aimed to investigate the spectrum of radiologic findings and referral reasons for breast diseases in children considering age-appropriate presentation. METHODS: Our retrospective cohort study included 348 consecutive pediatric patients aged <19 years (median, 13 years) referred to radiology with a clinical presentation between 2005 and 2016. Radiologic findings were reviewed in four age ranges (0-2 years, 2-8 years, 8-15 years, >15 years). RESULTS: Of 348 patients, 257 had a referral reason...
November 2017: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
https://www.readbyqxmd.com/read/28990890/effect-of-reduction-mammoplasty-on-the-pulmonary-function-tests
#7
Erhan Uğurlu, Adem Topkara, Adem Özkan, Ramazan Hakan Özcan, İlknur Can, Göksel Altınışık
Introduction: Bilateral breast reduction surgery is the surgical treatment of bilateral breast hypertrophy. This is one of the most common breast surgery requested by women, and performed by plastic surgeons. The reasons that patients want this surgery are to re-size sagging breasts aesthetically, and to get rid of somatic symptoms such as shoulder, chest, back, and neck pain. We believe that the objective positive effects of breast reduction surgery exist beside aesthetic. In our study, our aim is to elicit positive effects of surgery on lungs, if there are, by making pulmonary function test and carbon monoxide diffusion test before surgery and after 6 months of surgery...
June 2017: Tüberküloz Ve Toraks
https://www.readbyqxmd.com/read/28977607/skeletal-and-uterotrophic-effects-of-endoxifen-in-female-rats
#8
Anne Gingery, Urszula T Iwaniec, Malayannan Subramaniam, Russell T Turner, Kevin S Pitel, Renee M McGovern, Joel M Reid, Ronald J Marler, James N Ingle, Matthew P Goetz, John R Hawse
Endoxifen, the primary active metabolite of tamoxifen, is currently being investigated as a novel endocrine therapy for the treatment of breast cancer. Tamoxifen is a selective estrogen receptor modulator that elicits potent anti-breast cancer effects. However, long-term use of tamoxifen also induces bone loss in premenopausal women and is associated with an increased risk of endometrial cancer in postmenopausal women. For these reasons, we have used a rat model system to comprehensively characterize the impact of endoxifen on the skeleton and uterus...
October 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/28904695/a-case-of-gestational-gigantomastia-in-a-37-years-old-woman-associated-with-elevated-ana-a-casual-linkage
#9
Nicola Zingaretti, Fabrizio De Biasio, Michele Riccio, Nastassia Nardini, Laura Mariuzzi, Pier Camillo Parodi
Hypertrophy of the breast (macromastia and gigantomastia) is a rare medical condition of the breast connective tissues. The etiology of this condition is still not clear; rarely, gigantomastia has been reported to develop in the setting of an autoimmune illness. We reported a case of a 37-years-old woman with undifferentiated connective tissue disease of 2-years duration presented with enlargement of breasts. The breast enlargment started at 5 months of gestation. She successfully underwent reduction mammoplasty with free nipple graft...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28869443/pregnancy-associated-gigantomastia-recurrence-and-ectopic-breast-after-reduction-mammaplasty-a-case-report
#10
Meng Zhou, Mei Jin, Lin Wang, Ling-Juan Pan
It has been reported that majority of cases of gigantomastia, also known as breast hypertrophy and macromastia, occur during either pregnancy or puberty. Gigantomastia is a rare disorder that does not have a clear etiology or well-established risk factors. We present a 26-year-old female patient who appeared to have pregnancy-associated gigantomastia recurrence, large accessory breast and, ectopic breast tissue at external genital three years after bilateral breast reduction surgery. The patient successively underwent bilateral mastectomy and vulvar tumor resection...
August 23, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28840653/relationships-among-obesity-type-2-diabetes-and-plasma-cytokines-in-african-american-women
#11
Gerald V Denis, Paola Sebastiani, Guillaume Andrieu, Anna H Tran, Katherine J Strissel, Frank L Lombardi, Julie R Palmer
OBJECTIVE: The principal objective of this investigation was to identify novel cytokine associations with BMI and type 2 diabetes (T2D). METHODS: Cytokines were profiled from African American women with obesity who donated plasma to the Komen Tissue Bank. Multiplex bead arrays of analytes were used to quantify 88 cytokines and chemokines in association with clinical diagnoses of metabolic health. Regression models were generated after elimination of outliers. RESULTS: Among women with obesity, T2D was associated with breast adipocyte hypertrophy and with six plasma analytes, including four chemokines (chemokine [C-C motif] ligand 2, chemokine [C-C motif] ligand 16, chemokine [C-X-C motif] ligand 1, and chemokine [C-X-C motif] ligand 16) and two growth factors (interleukin 2 and epidermal growth factor)...
November 2017: Obesity
https://www.readbyqxmd.com/read/28759385/physical-activity-sedentary-behaviour-diet-and-cancer-an-update-and-emerging-new-evidence
#12
REVIEW
Jacqueline Kerr, Cheryl Anderson, Scott M Lippman
The lifestyle factors of physical activity, sedentary behaviour, and diet are increasingly being studied for their associations with cancer. Physical activity is inversely associated with and sedentary behaviour is positively (and independently) associated with an increased risk of more than ten types of cancer, including colorectal cancer (and advanced adenomas), endometrial cancers, and breast cancer. The most consistent dietary risk factor for premalignant and invasive breast cancer is alcohol, whether consumed during early or late adult life, even at low levels...
August 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28734790/organ-weights-and-histopathology-of-double-crested-cormorants-phalacrocorax-auritus-dosed-orally-or-dermally-with-artificially-weathered-mississippi-canyon-252-crude-oil
#13
Kendal E Harr, Drury R Reavill, Steven J Bursian, Dave Cacela, Fred L Cunningham, Karen M Dean, Brian S Dorr, Katie C Hanson-Dorr, Kate Healy, Katherine Horak, Jane E Link, Susan Shriner, Robert E Schmidt
A series of toxicity tests were conducted to assess the effects of low to moderate exposure to artificially weathered Deepwater Horizon Mississippi Canyon 252 crude oil on representative avian species as part of the Natural Resource Damage Assessment. The present report summarizes effects of oral exposure (n=26) of double-crested cormorants (DCCO; Phalacrocorax auritus) to 5 or 10ml oil kg(-1) day(-1) for up to 21 days or dermal application (n=25) of 13ml oil to breast and back feathers every three days totaling 6 applications in 21 days on organ weights and histopathology...
December 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28649659/inflammation-of-mammary-adipose-tissue-occurs-in-overweight-and-obese-patients-exhibiting-early-stage-breast-cancer
#14
Charlotte Vaysse, Jon Lømo, Øystein Garred, Frøydis Fjeldheim, Trygve Lofteroed, Ellen Schlichting, Anne McTiernan, Hanne Frydenberg, Anders Husøy, Steinar Lundgren, Morten W Fagerland, Elin Richardsen, Erik A Wist, Catherine Muller, Inger Thune
Growing evidence indicates that adiposity is associated with breast cancer risk and negatively affects breast cancer recurrence and survival, a paracrine role of mammary adipose tissue being very likely in this process. In contrast to other adipose depots, occurrence of a sub-inflammatory state of mammary adipose tissue defined by dying adipocytes surrounded by macrophages forming crown-like structures in overweight and obese subjects, remains only partially described. In a general population of breast cancer patients (107 patients) mostly undergoing breast-conserving surgery, we found a positive association between patient's body composition, breast adipocytes size, and presence of crown-like structures in mammary adipose tissue close to the tumor...
2017: NPJ Breast Cancer
https://www.readbyqxmd.com/read/28644156/clinical-case-of-the-month-a-57-year-old-man-with-an-axillary-mass
#15
Palak Desai, Andrew Myers, Brian Boulmay, Fred A Lopez
A 57-year-old man presented to the surgical oncology clinic with a mildly tender mass under his right arm. Four years prior, the patient had a melanoma removed from his right shoulder along with an ipsilateral right axillary sentinel lymph sampling. Computed tomography (CT) scan was negative for metastatic disease at that time. The patient did not undergo completion axillary node dissection and was lost to follow-up. The patient was originally from Australia, did not tan but reported multiple sunburns before age 18...
May 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28550173/experimental-cardiac-radiation-exposure-induces-ventricular-diastolic-dysfunction-with-preserved-ejection-fraction
#16
Hirofumi Saiki, Gilles Moulay, Adam J Guenzel, Weibin Liu, Teresa D Decklever, Kelly L Classic, Linh Pham, Horng H Chen, John C Burnett, Stephen J Russell, Margaret M Redfield
Breast cancer radiotherapy increases the risk of heart failure with preserved ejection fraction (HFpEF). Cardiomyocytes are highly radioresistant, but radiation specifically affects coronary microvascular endothelial cells, with subsequent microvascular inflammation and rarefaction. The effects of radiation on left ventricular (LV) diastolic function are poorly characterized. We hypothesized that cardiac radiation exposure may result in diastolic dysfunction without reduced EF. Global cardiac expression of the sodium-iodide symporter (NIS) was induced by cardiotropic gene (adeno-associated virus serotype 9) delivery to 5-wk-old rats...
August 1, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28521021/satellite-cell-mediated-breast-muscle-regeneration-decreases-with-broiler-size
#17
M R Daughtry, E Berio, Z Shen, E J R Suess, N Shah, A E Geiger, E R Berguson, R A Dalloul, M E Persia, H Shi, D E Gerrard
Satellite cells (SCs) reside between the sarcolemma and basal lamina of muscle fibers and are the primary contributor of DNA for post-hatch muscle growth and repair. Alterations in SC content or properties by intrinsic and extrinsic factors can have detrimental effects on muscle health and function, and ultimately meat quality. We hypothesized that disrupted SC homeostasis may account in part for the increased breast myopathies observed in growing broilers. To test this hypothesis, we selected broilers with different body weights at comparable ages and studied SC characteristics in vitro and in vivo...
September 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28499941/mtus1-a-gene-encoding-angiotensin-ii-type-2-at2-receptor-interacting-proteins-in-health-and-disease-with-special-emphasis-on-its-role-in-carcinogenesis
#18
REVIEW
Ibrahim Bozgeyik, Onder Yumrutas, Esra Bozgeyik
Loss of tumor suppressor activity is a frequent event in the formation and progression of tumors and has been listed as an important hallmark of cancers. Microtubule-Associated Scaffold Protein 1 (MTUS1) is a candidate tumor suppressor gene which is reported to be frequently down-regulated in a variety of human cancers including pancreas, colon, bladder, head-and-neck, ovarian, breast cancers, gastric, lung cancers. It is also reported to be implicated in several types of pathologies such as cardiac hypertrophy, atherosclerosis, and SLE-like lymphoproliferative diseases...
August 30, 2017: Gene
https://www.readbyqxmd.com/read/28444312/early-posthatch-thermal-stress-affects-breast-muscle-development-and-satellite-cell-growth-and-characteristics-in-broilers
#19
Yogev Piestun, Tomer Patael, Shlomo Yahav, Sandra G Velleman, Orna Halevy
Heat or cold stress, can disrupt well-being and physiological responses in birds. This study aimed to elucidate the effects of continuous heat exposure in the first 2 wk of age on muscle development in broilers, with an emphasis on the pectoralis muscle satellite cell population. Chicks were reared for 13 d under either commercial conditions or a temperature regime that was 5°C higher. Body and muscle weights, as well as absolute muscle growth were lower in heat-exposed chicks from d 6 onward. The number of satellite cells derived from the experimental chicks was higher in the heat-treated group on d 3 but lower on d 8 and 13 compared to controls...
August 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28374304/septum-enhanced-mammaplasty-in-inferocentral-pedicled-breast-reduction-for-macromastia-and-gigantomastia-patients
#20
Aurelio Portincasa, Francesco Ciancio, Luigi Cagiano, Alessandro Innocenti, Domenico Parisi
BACKGROUND: Inferior pedicle and free nipple grafting are commonly used as breast reduction techniques for patients with breast hypertrophy and gigantomastia. Limitations of these techniques are, respectively, possible vascular compromise and total/partial necrosis of the nipple-areola complex (NAC). The authors describe the innovative inferocentral pedicled reduction mammaplasty (ICPBR) enhanced by preservation of Würinger's septum for severe hypertrophic breasts. MATERIALS AND METHODS: Among 287 breast reductions performed between January 2001 and 2015, 83 (28...
October 2017: Aesthetic Plastic Surgery
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