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https://www.readbyqxmd.com/read/28814665/fatty-acid-oxidation-by-the-osteoblast-is-required-for-normal-bone-acquisition-in-a-sex-and-diet-dependent-manner
#1
Soohyun P Kim, Zhu Li, Meredith L Zoch, Julie L Frey, Caitlyn E Bowman, Priyanka Kushwaha, Kathleen A Ryan, Brian C Goh, Susanna Scafidi, Julie E Pickett, Marie-Claude Faugere, Erin E Kershaw, Daniel L J Thorek, Thomas L Clemens, Michael J Wolfgang, Ryan C Riddle
Postnatal bone formation is influenced by nutritional status and compromised by disturbances in metabolism. The oxidation of dietary lipids represents a critical source of ATP for many cells but has been poorly studied in the skeleton, where the prevailing view is that glucose is the primary energy source. Here, we examined fatty acid uptake by bone and probed the requirement for fatty acid catabolism during bone formation by specifically disrupting the expression of carnitine palmitoyltransferase 2 (Cpt2), an obligate enzyme in fatty acid oxidation, in osteoblasts and osteocytes...
August 17, 2017: JCI Insight
https://www.readbyqxmd.com/read/28814267/sex-and-tissue-specific-gene-expression-patterns-identified-following-de-novo-transcriptomic-analysis-of-the-norway-lobster-nephrops-norvegicus
#2
Guiomar Rotllant, Tuan Viet Nguyen, Valerio Sbragaglia, Lifat Rahi, Kevin J Dudley, David Hurwood, Tomer Ventura, Joan B Company, Vincent Chand, Jacopo Aguzzi, Peter B Mather
BACKGROUND: The Norway lobster, Nephrops norvegicus, is economically important in European fisheries and is a key organism in local marine ecosystems. Despite multi-faceted scientific interest in this species, our current knowledge of genetic resources in this species remains very limited. Here, we generated a reference de novo transcriptome for N. norvegicus from multiple tissues in both sexes. Bioinformatic analyses were conducted to detect transcripts that were expressed exclusively in either males or females...
August 16, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28811650/diet-induced-obesity-leads-to-metabolic-dysregulation-in-offspring-via-endoplasmic-reticulum-stress-in-a-sex-specific-manner
#3
J H Park, Y Yoo, M Cho, J Lim, A M Lindroth, Y J Park
BACKGROUND/OBJECTIVES: Exposure to metabolic stress has been suggested to influence the susceptibility to metabolic disorders in offspring according to epidemiological and animal studies. Nevertheless, molecular mechanisms remain unclear. We investigated impacts of diet-induced paternal obesity on metabolic phenotypes in offspring and its underlying molecular mechanism. SUBJECTS/METHODS: Male founder mice (F0), fed with control diet (CD) or high fat diet (HFD), were mated with CD-fed females...
August 16, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28810646/sex-comb-on-midleg-like-2-is-a-novel-specific-marker-for-the-diagnosis-of-gastroenteropancreatic-neuroendocrine-tumors
#4
Jiao-Jiao Yang, Hua Huang, Ming-Bing Xiao, Feng Jiang, Wen-Kai Ni, Yi-Fei Ji, Cui-Hua Lu, Run-Zhou Ni
Sex comb on midleg like-2 (SCML2) is a polycomb-group protein that encodes transcriptional repressors essential for appropriate development in the fly and in mammals. On the basis of previous findings, the present study aimed to explore the possibility of developing SCML2 into a new diagnostic marker for gastroenteropancreatic neuroendocrine tumors (GEP-NETs). A total of 64 paired GEP-NET tissues and adjacent non-tumorous tissues were obtained from patients who had undergone surgical resection between January 2009 and January 2014, and the expression of SCML2 and two neuroendocrine markers, namely synaptophysin (Syn) and chromogranin A (CgA), in the tissues was assessed by immunohistochemistry...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28803070/sex-disparities-in-cancer-incidence-in-jiashan-county-china-1995-2014
#5
Xiyi Jiang, Shaofang Cai, Yunqing Hu, Ding Ye, Qilong Li, Kun Chen, Mingjuan Jin
PURPOSE: To describe the sex-specific incidence rates and the male-to-female incidence-rate ratios (IRRs) of different cancer types, and to explore the corresponding sex disparities in an area of Eastern China. METHODS: We used data from the Cancer Registry in Jiashan County, and calculated the sex-specific age-standardized (2010 China standard population) incidence rates and the male-to-female IRRs for different cancer types during the period 1995-2014. RESULTS: The age-standardized incidence rates of all cancers for the whole period 1995-2014 were 151...
August 10, 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/28799254/sex-specific-factors-regulating-pressure-and-flow
#6
Jill N Barnes
Over the last decade, there have been many published reports on sex differences in blood pressure regulation between young men and young women. The autonomic nervous system is a primary contributor to both acute and long-term blood pressure regulation. Sex differences in blood pressure regulation likely have effects that extend beyond mean arterial pressure, and which can affect blood flow and tissue function. This short review will include recent literature from our laboratory focusing on autonomic control of the circulation, specifically age and sex hormone related differences in central hemodynamics and cerebral blood flow, and discuss potential clinical implications...
August 11, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28794277/modulation-of-social-space-by-dopamine-in-drosophila-melanogaster-but-no-effect-on-the-avoidance-of-the-drosophila-stress-odorant
#7
Robert W Fernandez, Adesanya A Akinleye, Marat Nurilov, Omar Feliciano, Matthew Lollar, Rami R Aijuri, Janis M O'Donnell, Anne F Simon
Appropriate response to others is necessary for social interactions. Yet little is known about how neurotransmitters regulate attractive and repulsive social cues. Using genetic and pharmacological manipulations in Drosophila melanogaster, we show that dopamine is contributing the response to others in a social group, specifically, social spacing, but not the avoidance of odours released by stressed flies (dSO). Interestingly, this dopamine-mediated behaviour is prominent only in the day-time, and its effect varies depending on tissue, sex and type of manipulation...
August 2017: Biology Letters
https://www.readbyqxmd.com/read/28793328/liver-tissue-fragments-obtained-from-males-are-the-most-promising-source-of-human-hepatocytes-for-cell-based-therapies-flow-cytometric-analysis-of-albumin-expression
#8
Karolina Ewa Zakrzewska, Anna Samluk, Agnieszka Wencel, Krzysztof Dudek, Dorota Genowefa Pijanowska, Krzysztof Dariusz Pluta
Cell-based therapies that could provide an alternative treatment for the end-stage liver disease require an adequate source of functional hepatocytes. There is little scientific evidence for the influence of patient's age, sex, and chemotherapy on the cell isolation efficiency and metabolic activity of the harvested hepatocytes. The purpose of this study was to investigate whether hepatocytes derived from different sources display differential viability and biosynthetic capacity. Liver cells were isolated from 41 different human tissue specimens...
2017: PloS One
https://www.readbyqxmd.com/read/28789992/a-whole-brain-volumetric-approach-in-overweight-obese-children-examining-the-association-with-different-physical-fitness-components-and-academic-performance-the-activebrains-project
#9
Irene Esteban-Cornejo, Cristina Cadenas-Sanchez, Oren Contreras-Rodriguez, Juan Verdejo-Roman, Jose Mora-Gonzalez, Jairo H Migueles, Pontus Henriksson, Catherine L Davis, Antonio Verdejo-Garcia, Andrés Catena, Francisco B Ortega
Obesity, as compared to normal weight, is associated with detectable structural differences in the brain. To the best of our knowledge, no previous study has examined the association of physical fitness with gray matter volume in overweight/obese children using whole brain analyses. Thus, the aim of this study was to examine the association between the key components of physical fitness (i.e. cardiorespiratory fitness, speed-agility and muscular fitness) and brain structural volume, and to assess whether fitness-related changes in brain volumes are related to academic performance in overweight/obese children...
August 5, 2017: NeuroImage
https://www.readbyqxmd.com/read/28781902/study-on-lesion-assessment-of-cerebello-thalamo-cortical-network-in-wilson-s-disease-with-diffusion-tensor-imaging
#10
Anqin Wang, Hongli Wu, Chunsheng Xu, Lanfeng Tang, Jaeyoun Lee, Min Wang, Man Jiang, Chuanfu Li, Qi Lu, Chunyun Zhang
Wilson's disease (WD) is a genetic disorder of copper metabolism with pathological copper accumulation in the brain and any other tissues. This article aimed to assess lesions in cerebello-thalamo-cortical network with an advanced technique of diffusion tensor imaging (DTI) in WD. 35 WD patients and 30 age- and sex-matched healthy volunteers were recruited to accept diffusion-weighted images with 15 gradient vectors and conventional magnetic resonance imaging (MRI). The DTI parameters, including fractional anisotropy (FA) and mean diffusion (MD), were calculated by diffusion kurtosis estimator software...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/28780444/tissue-specific-distribution-and-maternal-transfer-of-polybrominated-diphenyl-ethers-pbdes-and-their-metabolites-in-adult-common-sole-solea-solea-l-over-an-entire-reproduction-cycle
#11
C Munschy, N Bely, K Héas-Moisan, N Olivier, V Loizeau
Tissue-specific accumulation and distribution of polybrominated diphenyl ethers (PBDEs) and their debrominated metabolites were studied in common sole (Solea solea) over an entire reproduction cycle. The fish were dietary-exposed to selected PBDEs in laboratory-controlled conditions for one year. Fish of both sexes were sampled throughout the reproduction cycle and their muscle, liver, viscera, carcass, skin and gonads (female) were analysed for total lipid content, PBDEs and their debrominated metabolites...
August 3, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28772150/low-dose-developmental-exposure-to-bisphenol-a-induces-sex-specific-effects-in-bone-of-fischer-344-rat-offspring
#12
Thomas Lind, Margareta H Lejonklou, Linda Dunder, Annica Rasmusson, Sune Larsson, Håkan Melhus, P Monica Lind
BACKGROUND: Bisphenol A (BPA) is a component of polycarbonate plastics to which humans are regularly exposed at low levels, and an endocrine disruptor with effects on several hormonal systems. Bone is a sensitive hormone target tissue, and we have recently shown that in utero and lactational exposure to 25µg BPA/kg BW/day alters femoral geometry in rat offspring. OBJECTIVE: To investigate bone effects in rat offspring after developmental exposure to a BPA dose in the range of human daily exposure (0...
July 31, 2017: Environmental Research
https://www.readbyqxmd.com/read/28769031/sex-specific-placental-accumulation-and-behavioral-effects-of-developmental-firemaster-550-exposure-in-wistar-rats
#13
Kylie R Baldwin, Allison L Phillips, Brian Horman, Sheryl E Arambula, Meghan E Rebuli, Heather M Stapleton, Heather B Patisaul
Firemaster® 550 (FM 550) is a commercial flame retardant mixture of brominated and organophosphate compounds applied to polyurethane foam used in furniture and baby products. Due to widespread human exposure, and structural similarities with known endocrine disruptors, concerns have been raised regarding possible toxicity. We previously reported evidence of sex specific behavioral effects in rats resulting from developmental exposure. The present study expands upon this prior finding by testing for a greater range of behavioral effects, and measuring the accumulation of FM 550 compounds in placental tissue...
August 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28768472/phenotypic-integration-mediated-by-hormones-associations-among-digit-ratios-body-size-and-testosterone-during-tadpole-development
#14
Leandro Lofeu, Renata Brandt, Tiana Kohlsdorf
BACKGROUND: Developmental associations often explain phenotypic integration. The intersected hormonal regulation of ontogenetic processes fosters predictions of steroid-mediated phenotypic integration among sexually dimorphic traits, a statement defied by associations between classical dimorphism predictors (e.g. body size) and traits that apparently lack sex-specific functions (e.g. ratios between the lengths of Digits II and IV - 2D:4D). Developmental bases of female-biased 2D:4D have been identified, but these remain unclear for taxa presenting male-biased 2D:4D (e...
August 2, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/28767726/high-resolution-phenotyping-identifies-nk-cell-subsets-that-distinguish-healthy-children-from-adults
#15
Sanjana Mahapatra, Emily M Mace, Charles G Minard, Lisa R Forbes, Alexander Vargas-Hernandez, Teresa K Duryea, George Makedonas, Pinaki P Banerjee, William T Shearer, Jordan S Orange
Natural killer (NK) cells are critical in immune defense against infected, stressed or transformed cells. Their function is regulated by the heterogeneous expression of a wide array of surface receptors that shape its phenotypic diversity. Although NK cells develop in the bone marrow and secondary lymphoid tissues, substantive differentiation is apparent in the peripheral blood including known age-related variation. In order to gain greater insight into phenotypic and functional variation within peripheral blood NK cells across age groups, we used multi-parametric, polyfunctional flow cytometry to interrogate the NK cell variability in 20 healthy adults and 15 5-10, 11-15 and 16-20 year-old children...
2017: PloS One
https://www.readbyqxmd.com/read/28765838/sex-specific-molecular-responses-of-quick-to-court-protein-in-indian-malarial-vector-anopheles-culicifacies-conflict-of-mating-versus-blood-feeding-behaviour
#16
Tanwee Das De, Punita Sharma, Charu Rawal, Seena Kumari, Sanjay Tavetiya, Jyoti Yadav, Yasha Hasija, Rajnikant Dixit
Understanding the molecular basis of mosquito behavioural complexity plays a central role in designing novel molecular tools to fight against their vector-borne diseases. Although the olfactory system plays an important role in guiding and managing many behavioural responses including feeding and mating, but the sex-specific regulation of olfactory responses remain poorly investigated. From our ongoing transcriptomic data annotation of olfactory tissue of blood fed adult female An. culicifacies mosquitoes; we have identified a 383 bp long unique transcript encoding a Drosophila homolog of the quick-to-court protein...
July 2017: Heliyon
https://www.readbyqxmd.com/read/28764769/anabolic-role-of-lysyl-oxidase-like-2-in-cartilage-of-knee-and-temporomandibular-joints-with-osteoarthritis
#17
Weam Alshenibr, Mustafa M Tashkandi, Saqer F Alsaqer, Yazeed Alkheriji, Amelia Wise, Sadanand Fulzele, Pushkar Mehra, Mary B Goldring, Louis C Gerstenfeld, Manish V Bais
BACKGROUND: Lysyl oxidase like-2 (LOXL2) is a copper-dependent amine oxidase. Our previous studies showed that LOXL2 is elevated during mouse fracture healing. The goal of this study was to evaluate the potential of LOXL2 to act as an anabolic agent in cartilage affected by osteoarthritis (OA). METHODS: LOXL2 was visualized in tissues from human knee and hip joints and temporomandibular joints (TMJ) by immunofluorescence. The activity of LOXL2 in human articular and TMJ chondrocytes was assessed by cell-based assays, microarray analysis, and RT-qPCR, and LOXL2-mediated activation of NF-κB and extracellular signal-related kinase (ERK) signaling pathways was measured by western blotting...
August 2, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28763833/deciphering-adipose-tissue-heterogeneity
#18
REVIEW
Matthew D Lynes, Yu-Hua Tseng
Obesity is an excess accumulation of adipose tissue mass, and, together with its sequelae, in particular type II diabetes and metabolic syndrome, obesity presents a major health crisis. Although obesity is simply caused by increased adipose mass, the heterogeneity of adipose tissue in humans means that the response to increased energy balance is highly complex. Individual subjects with similar phenotypes may respond very differently to the same treatments; therefore, obesity may benefit from a personalized precision medicine approach...
August 1, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28752102/acute-kidney-injury-and-urinary-biomarkers-in-human-immunodeficiency-virus-associated-cryptococcal-meningitis
#19
Charlotte Schutz, David R Boulware, Katherine Huppler-Hullsiek, Maximilian von Hohenberg, Joshua Rhein, Kabanda Taseera, Friedrich Thienemann, Conrad Muzoora, David B Meya, Graeme Meintjes
BACKGROUND: Cryptococcus is the most common etiology of adult meningitis in Africa. Amphotericin B deoxycholate remains paramount to treatment, despite toxicities, including acute kidney injury (AKI). We assessed the ability of the following urine markers to predict AKI in patients who received amphotericin B: urine neutrophil gelatinase-associated lipocalin (NGAL), cystatin C (CysC), tissue inhibitor of metalloproteinases-2 (TIMP-2), and protein. METHODS: One hundred and thirty human immunodeficiency virus (HIV)-infected participants with cryptococcal meningitis were enrolled and received amphotericin and fluconazole for 2 weeks...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28749843/three-dimensional-imaging-anatomic-study-and-clinical-application-of-the-third-ventricle-transcallosal-transforniceal-approach
#20
Hanwen Zhang, Yishui Zhang, Li Zhang, Meichen Liu, Xiaorui Yin, Wen Yang, Kailiang Cheng, Guangnan Xian, Youqiong Li
The third ventricle is a narrow, funnel-shaped, unilocular, midline cavity located between the 2 thalami, under the body of the lateral ventricle, in the center of the head. Damaging of brain tissue in the third ventricle when conducting operation under the microscope will lead to serious consequence. The study aimed to precisely detect the relative location of specific structures on the approach to the third ventricle. The authors rebuilt a 3-dimensional reconstruction of the brain and selected specific sections and then measured several crucial distance, angle to precisely assure the approaching pathway and localize the hypothalamic sulcus, interthalamic adhesion, anterior commissure, optic chiasm, and pineal body...
July 26, 2017: Journal of Craniofacial Surgery
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