High-Pesticide Fruits and Veggies Might Interfere with Fertility Treatment Outcomes (FREE)

By Amy Orciari Herman Edited by David G. Fairchild, MD, MPH Greater intake of high-pesticide fruits and vegetables is associated with poorer outcomes in women undergoing assisted reproductive technology (ART) treatment for infertility, a JAMA Internal Medicine study finds. …
Source: Physician's First Watch current issue - Category: Primary Care Source Type: news

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As SCs play a central role in germ cesurvival, their death may results in marked germ cell loss and infertility (Eid et al., 2012; Oliveira et al., 2015). As SCs play a central role in germ cell survival, their death may result in marked germ cell loss and infertility (Eid et al., 2012; Oliveira et al., 2015). As SCs play a central role in germ cell survival, their death may result in marked germ cell loss and infertility (Eid et al., 2012; Oliveira et al., 2015). Sertoli cells (SCs) are the only somatic cells within the seminiferous tubules and are essential for regulating spermatogenesis.
Source: American Journal of Pathology - Category: Pathology Authors: Tags: Regular Article Source Type: research
NLRP3 is part of the NLRP3 inflammasome and a global sensor of cellular damage. It was recently discovered in rodent Sertoli cells. We investigated NLRP3 in mouse, human and non-human primate (marmoset and rhesus macaque) testes, employing immunohistochemistry. Sertoli cells of all species expressed NLRP3, and the expression preceded puberty. In addition, peritubular cells of the adult human testes expressed NLRP3. NLRP3 and associated genes (PYCARD, CASP1, IL1B) were also found in isolated human testicular peritubular cells and the mouse Sertoli cell line TM4. Male infertility due to impairments of spermatogenesis may be ...
Source: Reproduction - Category: Reproduction Medicine Authors: Tags: Research Source Type: research
In conclusion, in this study, we demonstrated for the first time a novel target for FXR and that the activated receptor alters the acquisition of sperm fertilising ability. We showed that sperm itself express the FXR and it is responsive to specific ligands of the receptor; therefore, bile acids influence this cell both in male and in female genital tracts. It might be hypothesized that bile acid levels could be involved in infertility with idiopathic origin as these compounds are not systematically measured in men undergoing medically assisted procreation.
Source: Reproduction - Category: Reproduction Medicine Authors: Tags: Research Source Type: research
ConclusionThe results indicated a significant correlation between mutations in exon 19 (rs121913438) and exon 21(rs121434568) of EGFR gene and susceptibility of myoma in the study population.
Source: European Journal of Obstetrics and Gynecology and Reproductive Biology - Category: OBGYN Source Type: research
(American Society for Biochemistry and Molecular Biology) Proteomic analysis of oocytes from obese mice showed changes in a protein that promotes antioxidant production and may alter meiotic spindles.
Source: EurekAlert! - Medicine and Health - Category: International Medicine & Public Health Source Type: news
Multiple morphological abnormalities of the sperm flagellum (MMAF) is a severe form of male infertility defined by the presence of a mosaic of anomalies, including short, bent, curled, thick, or absent flagella, resulting from a severe disorganization of the axoneme and of the peri-axonemal structures. Mutations in DNAH1, CFAP43, and CFAP44, three genes encoding axoneme-related proteins, have been described to account for approximately 30% of the MMAF cases reported so far. Here, we searched for pathological copy-number variants in whole-exome sequencing data from a cohort of 78 MMAF-affected subjects to identify additiona...
Source: The American Journal of Human Genetics - Category: Genetics & Stem Cells Authors: Tags: Article Source Type: research
Flagella and motile cilia share a 9  + 2 microtubule-doublet axoneme structure, and asthenozoospermia (reduced spermatozoa motility) is found in 76% of men with primary ciliary dyskinesia (PCD). Nevertheless, causal genetic variants in a conserved axonemal component have been found in cases of isolated asthenozoospermia: 30% of men w ith multiple morphological anomalies of sperm flagella (MMAF) carry bi-allelic mutations in DNAH1, encoding one of the seven inner-arm dynein heavy chains of the 9 + 2 axoneme.
Source: The American Journal of Human Genetics - Category: Genetics & Stem Cells Authors: Tags: Report Source Type: research
This study was performed from 2015 to 2017 in the Division of Reproductive Endocrinology and Infertility at Northwestern University. We included patients who became pregnant after IVF-PGS who were seen by the Division of Reproductive Genetics and non-PGS control group.ResultsSixty-eight patients were included. A total of 50 patients (73.5%) opted for non-invasive prenatal screening; 5 (7.4%) had invasive testing (4 had chorionic villus sampling and 1 had amniocentesis). A total of 13 patients (19%) declined further genetic testing. When comparing demographic data, the mean age was significantly higher in the group of patie...
Source: Journal of Assisted Reproduction and Genetics - Category: Reproduction Medicine Source Type: research
Publication date: Available online 15 August 2018Source: SteroidsAuthor(s): Julius Fink, Masahito Matsumoto, Yoshifumi TamuraAbstractSedentary lifestyle and over-nutrition are the main causes of obesity and type 2 diabetes (T2D). However, the same causes are major triggers of hypogonadism. Many T2D patients show low testosterone levels while hypogonadal men seem to be prone to become diabetic. Testosterone plays a major role in the regulation of muscle mass, adipose tissue, inflammation and insulin sensitivity and is therefore indirectly regulating several metabolic pathways, while T2D is commonly triggered by insulin resi...
Source: Steroids - Category: Drugs & Pharmacology Source Type: research
Publication date: Available online 15 August 2018Source: Journal of Chemical NeuroanatomyAuthor(s): Cornelia Voigt, Nigel BennettAbstractThe eusocial Damaraland mole-rat (Fukomys damarensis) represents an extreme example of reproductive skew, in that reproduction is completely blocked in female subordinate group members. It is thought that in these animals normal GnRH secretion from the hypothalamus is disrupted. Prolactin, a peptide hormone secreted from the anterior pituitary gland, has been implicated in a wide variety of functions. Well documented in rodents is its role in mediating lactational infertility. Elevated ci...
Source: Journal of Chemical Neuroanatomy - Category: Neuroscience Source Type: research
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