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"Sex factors in disease"
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Autism and gender : from refrigerator mothers to computer geeks
\"The reasons behind the increase in autism diagnoses have become hotly contested in the media as well as within the medical, scholarly, and autistic communities. Jordynn Jack suggests the proliferating number of discussions point to autism as a rhetorical phenomenon that engenders attempts to persuade through arguments, appeals to emotions, and representational strategies. In Autism and Gender: From Refrigerator Mothers to Computer Geeks, Jack focuses on the ways gender influences popular discussion and understanding of autism's causes and effects. She identifies gendered theories like the \"refrigerator mother\" theory, for example, which blames emotionally distant mothers for autism, and the \"extreme male brain\" theory, which links autism to the modes of systematic thinking found in male computer geeks. Jack's analysis reveals how people employ such highly gendered theories to craft rhetorical narratives around stock characters--fix-it dads, heroic mother warriors rescuing children from autism--that advocate for ends beyond the story itself while also allowing the storyteller to gain authority, understand the disorder, and take part in debates. Autism and Gender reveals the ways we build narratives around controversial topics while offering new insights into the ways rhetorical inquiry can and does contribute to conversations about gender and disability\"-- Provided by publisher.
Book
SeXX Matters in Infectious Disease Pathogenesis
A future challenge will be to interpret immunological differences between the sexes in the context of infectious disease pathogenesis.\\n The binding of sex steroids to their respective steroid receptors directly influences signaling pathways associated with the production of cytokines and chemokines [22]. Interpretation of sex differences in the expression of X-linked genes is challenging because sex hormones or sex chromosome complement can still contribute to the observed differential gene expression.
Journal Article
Health and gender : resilience and vulnerability factors for women's health in the contemporary society
This book presents a concise and comprehensive overview of the most important protective and risk factors for women's health, and reviews the main areas of medical science from a gender perspective. Numerous scientific experiments and studies have shown how gender differences significantly affect the clinical presentation of physical and mental health disorders as well as responses to treatments. This text highlights these issues, while at the same time reflecting on the practical implications of the theoretical knowledge presented. It also examines the organization of social and health services, which should increasingly take into account the specificities related to gender differences and where equality is based on truly embracing these differences. The final part provides insights into the experiences and testimonies collected by the authors of the book. Written by a multidisciplinary team of medical, psychosocial and humanities professionals, this book is of interest to health professionals and medical students. -- Provided by publisher.
Book
Atrial fibrillation in women: epidemiology, pathophysiology, presentation, and prognosis
Atrial fibrillation (AF) is the most common sustained arrhythmia in women and men worldwide. During the past century, a range of risk factors has been associated with AF, severe complications from the arrhythmia have been identified, and its prevalence has been increasing steadily. Whereas evidence has accumulated regarding sex-specific differences in coronary heart disease and stroke, the differences between women and men with AF has received less attention. We review the current literature on sex-specific differences in the epidemiology of AF, including incidence, prevalence, risk factors, and genetics, and in the pathophysiology and the clinical presentation and prognosis of patients with this arrhythmia. We highlight current knowledge gaps and areas that warrant future research, which might advance understanding of variation in the risk factors and complications of AF, and ultimately aid more-tailored management of the arrhythmia.
Journal Article
Sex differences in the association between diabetes and risk of cardiovascular disease, cancer, and all-cause and cause-specific mortality: a systematic review and meta-analysis of 5,162,654 participants
Studies have suggested sex differences in the mortality rate associated with diabetes. We conducted a meta-analysis to estimate the relative effect of diabetes on the risk of all-cause, cancer, cardiovascular disease (CVD), infectious disease, and respiratory disease mortality in women compared with men.
Studies published from their inception to April 1, 2018, identified through a systematic search of PubMed and EMBASE and review of references. We used the sex-specific RRs to derive the women-to-men ratio of RRs (RRR) and 95% CIs from each study. Subsequently, the RRR for each outcome was pooled with random-effects meta-analysis weighted by the inverse of the variances of the log RRRs.
Forty-nine studies with 86 prospective cohorts met the inclusion criteria and were eligible for analysis. The pooled women-to-men RRR showed a 13% greater risk of all-cause mortality associated with diabetes in women than in men (RRR 1.13, 95% CI 1.07 to 1.19; P < 0.001). The pooled multiple-adjusted RRR indicated a 30% significantly greater excess risk of CVD mortality in women with diabetes compared with men (RRR 1.30, 95% CI 1.13 to 1.49; P < 0.001). Compared with men with diabetes, women with diabetes had a 58% greater risk of coronary heart disease (CHD) mortality, but only an 8% greater risk of stroke mortality (RRR
1.58, 95% CI 1.32 to 1.90; P < 0.001; RRR
1.08, 95% CI 1.01 to 1.15; P < 0.001). However, no sex differences were observed in pooled results of populations with or without diabetes for all-cancer (RRR 1.02, 95% CI 0.98 to 1.06; P = 0.21), infectious (RRR 1.13, 95% CI 0.90 to 1.38; P = 0.33), and respiratory mortality (RRR 1.08, 95% CI 0.95 to 1.23; P = 0.26).
Compared with men with the same condition, women with diabetes have a 58% and 13% greater risk of CHD and all-cause mortality, respectively, although there was a significant heterogeneity between studies. This points to an urgent need to develop sex- and gender-specific risk assessment strategies and therapeutic interventions that target diabetes management in the context of CHD prevention.
Journal Article
Absolute 10-year risk of dementia by age, sex and APOE genotype: a population-based cohort study
Dementia is a major cause of disability, and risk-factor reduction may have the potential to delay or prevent the disease. Our aim was to determine the absolute 10-year risk of dementia, by age, sex and apolipoprotein E (
) genotype.
We obtained data from the Copenhagen General Population Study (from 2003 to 2014) and the Copenhagen City Heart Study (from 1991 to 1994 and 2001 to 2003). Participants underwent a questionnaire, physical examination and blood sampling at baseline. Diagnoses of dementia and cerebrovascular disease were obtained from the Danish National Patient Registry up to Nov. 10, 2014.
Among 104 537 individuals, the absolute 10-year risk of Alzheimer disease in 3017 women and men who were carriers of the
ɛ44 genotype was, respectively, 7% and 6% at age 60-69 years, 16% and 12% at age 70-79 years, and 24% and 19% at age 80 years and older. Corresponding values for all dementia were 10% and 8%, 22% and 19%, and 38% and 33%, respectively. Adjusted hazard ratios (HRs) for all dementia increased by genotype, from genotype ɛ22 to ɛ32 to ɛ33 to ɛ42 to ɛ43 to ɛ44 (
for trend < 0.001). Compared with ɛ33 carriers, ɛ44 carriers were more likely to develop Alzheimer disease (adjusted HR 8.74, 95% confidence interval [CI] 7.08-10.79), vascular dementia (adjusted HR 2.87, 95% CI 1.54-5.33), unspecified dementia (adjusted HR 4.68, 95% CI 3.74-5.85) and all dementia (adjusted HR 5.77, 95% CI 4.89-6.81).
Age, sex and
genotype robustly identify high-risk groups for Alzheimer disease and all dementia. These groups can potentially be targeted for preventive interventions.
Journal Article
A gene network regulated by the transcription factor VGLL3 as a promoter of sex-biased autoimmune diseases
Autoimmune diseases affect 7.5% of the US population, and they are among the leading causes of death and disability. A notable feature of many autoimmune diseases is their greater prevalence in females than in males, but the underlying mechanisms of this have remained unclear. Through the use of high-resolution global transcriptome analyses, we demonstrated a female-biased molecular signature associated with susceptibility to autoimmune disease and linked this to extensive sex-dependent co-expression networks. This signature was independent of biological age and sex-hormone regulation and was regulated by the transcription factor VGLL3, which also had a strong female-biased expression. On a genome-wide level, VGLL3-regulated genes had a strong association with multiple autoimmune diseases, including lupus, scleroderma and Sjögren's syndrome, and had a prominent transcriptomic overlap with inflammatory processes in cutaneous lupus. These results identified a VGLL3-regulated network as a previously unknown inflammatory pathway that promotes female-biased autoimmunity. They demonstrate the importance of studying immunological processes in females and males separately and suggest new avenues for therapeutic development.
Journal Article
Successful induction of diabetes in mice demonstrates no gender difference in development of early diabetic retinopathy
Female mice have been found to be resistant to streptozotocin (STZ)-induced diabetes, and pre-clinical research related to diabetic complications commonly omits females. The purpose of this study was to develop a method to induce diabetes in female mice, and to determine if retinas of diabetic female mice develop molecular changes and histopathological abnormalities comparable to those which develop in male diabetic mice.
To induce diabetes, animals of both sexes received daily intraperitoneal (i.p.) injection of STZ for 5 consecutive days at 55 mg/kg BW (a dose that is known to induce diabetes in male mice) or for females, 75 mg/kg BW of STZ. Retinal abnormalities that have been implicated in the development of the retinopathy (superoxide generation and expression of inflammatory proteins, iNOS and ICAM-1) were evaluated at 2 months of diabetes, and retinal capillary degeneration was evaluated at 8 months of diabetes.
Daily i.p. injection of STZ for 5 consecutive days at a concentration of 55 mg/kg BW was sufficient to induce diabetes in 100% of male mice, but only 33% of female mice. However, females did become hyperglycemic when the dose of STZ administered was increased to 75 mg/kg BW. The resulting STZ-induced hyperglycemia in female and male mice was sustained for at least 8 months. After induction of the diabetes, both sexes responded similarly with respect to the oxidative stress, expression of iNOS, and degeneration of retinal capillaries, but differed in the limited population evaluated with respect to expression of ICAM-1.
The resistance of female mice to STZ-induced diabetes can be overcome by increasing the dose of STZ used. Female mice can, and should, be included in pre-clinical studies of diabetes and its complications.
Journal Article
Relationship between Physical Disability and Depression by Gender: A Panel Regression Model
Depression in persons with physical disabilities may be more common than in the general population. The purpose of this study was to examine the relationship between physical disability and depression by gender among adults, using a large, nationally representative sample.
This study used data from the Korean Longitudinal Study of Aging, Wave one through four, and ran a series of random effect panel regression models to test the relationship between physical disability status and depression by gender. We tested the moderating effect of gender on the relationship between disability status and depression level by examining the significance of the cross-product term between disability status and gender.
After controlling for self-rated health, marital status, employment status, education, and age, subjects who were female or diagnosed as having any disability presented higher levels of depression scores. Further, the difference in terms of their depression level measured by Center for Epidemiologic Studies Short Depression Scale (CES-D 10) scores between those who were diagnosed as having any disability and those who were not was greater for females than for their male counterparts.
This study reaffirmed that disability is the risk factor of depression, using longitudinal data. In addition, female gender is the effect modifier rather than the risk factor. The effect of gender in the non-disability group, mostly composed of older persons, is limited. On the contrary, the female disability group showed more depressive symptoms than the male disability group. The gender difference in the disability group and the role of culture on these differences need further research.
Journal Article
