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adipokine and estrogen and immune

Carol J Fabian, Bruce F Kimler
Marine omega-3 fatty acids promote resolution of inflammation and have potential to reduce risk of obesity-related breast cancer. For prevention trials in obese women, inflammatory cytokines, aromatase, and measures of breast immune cell infiltration are logical, as are biomarkers of growth factor, adipokine, and estrogen signaling. Where best to look for marker change: in the circulation (easiest), in benign breast tissue (most relevant), or in visceral adipose (inflammation often most marked)? A null biomarker modulation trial may reflect limitations in design, source and dose of fatty acids, or biomarkers and should not lead to premature abandonment of marine omega-3 fatty acids for cancer prevention...
March 20, 2018: Cancer Prevention Research
Zoya Tahergorabi, Majid Khazaei, Mitra Moodi, Elham Chamani
Nowadays, obesity is considered as a serious and growing global health problem. It is documented that the overweight and obesity are major risk factors for a series of noncommunicable diseases, and in recent years, the obesity-cancer link has received much attention. Numerous epidemiological studies have shown that obesity is associated with increased risk of several cancer types, including colon, breast, endometrium, liver, kidney, esophagus, gastric, pancreatic, gallbladder, and leukemia, and can also lead to poorer treatment...
December 2016: Cell Biochemistry and Function
C M Ulrich, J Wiskemann, K Steindorf
Physical activity is associated with a reduced risk of colon, breast, endometrial, lung, and pancreatic cancer. Evidence for mediating molecular mechanisms from experimental studies substantially strengthens the causal inference for this relationship. Randomized controlled trials indicate that exercise affects metabolic profiles, including hormone levels (estrogen, insulin signaling), inflammation (e.g., C-reactive protein), and adipokine concentrations (e.g., leptin). The size of the effect depends frequently on concurrent changes in body composition...
January 2012: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
Vicent Ribas, Brian G Drew, Jamie A Le, Teo Soleymani, Pedram Daraei, Daniel Sitz, Laila Mohammad, Darren C Henstridge, Mark A Febbraio, Sylvia C Hewitt, Kenneth S Korach, Steven J Bensinger, Andrea L Hevener
ERα is expressed in macrophages and other immune cells known to exert dramatic effects on glucose homeostasis. We investigated the impact of ERα expression on macrophage function to determine whether hematopoietic or myeloid-specific ERα deletion manifests obesity-induced insulin resistance in mice. Indeed, altered plasma adipokine and cytokine levels, glucose intolerance, insulin resistance, and increased adipose tissue mass were observed in animals harboring a hematopoietic or myeloid-specific deletion of ERα...
September 27, 2011: Proceedings of the National Academy of Sciences of the United States of America
Krista Casazza, Lynae J Hanks, Jessica A Alvarez
Historical data suggest that body composition is intricately involved in pubertal development. Progression through puberty is dependent on the interaction between the growth hormone-insulin-like growth factor-1 (GH-IGF-1) axis, reproductive and metabolic hormones as well as pro- and anti-inflammatory cytokines which induce alterations in feedback mechanisms and therefore mediate body composition and growth. Simultaneous increases in GH and IGF-1, and the concomitant changes in the hormonal milieu (i.e. reproductive hormones, testosterone and estrogen, and insulin)are the major contributors to anabolic effects seen throughout the pubertal transition, and are affected by various factors including (but not limited to) energy status and body composition...
2010: Medicine and Sport Science
Edward D Chan, Michael D Iseman
BACKGROUND: Nontuberculous mycobacteria (NTM) are environmental microbes that are associated with a variety of human diseases, particularly chronic lung infections. Over the past several decades, NTM lung disease has been increasingly seen in postmenopausal women with slender body habitus. OBJECTIVE: This article reviewed the clinical and experimental evidence that supports the observation that thin older women (aged 50-80 years) are predisposed to NTM lung disease...
February 2010: Gender Medicine
Alecia Malin Fair, Kara Montgomery
This chapter posits that cancer is a complex and multifactorial process as demonstrated by the expression and production of key endocrine and steroid hormones that intermesh with lifestyle factors (physical activity, body size, and diet) in combination to heighten cancer risk. Excess weight has been associated with increased mortality from all cancers combined and for cancers of several specific sites. The prevalence of obesity has reached epidemic levels in many parts of the world; more than 1 billion adults are overweight with a body mass index (BMI) exceeding 25...
2009: Methods in Molecular Biology
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