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https://www.readbyqxmd.com/read/29466015/mating-induced-differential-peptidomics-of-neuropeptides-and-protein-hormones-in-agrotis-ipsilon-moths
#1
Max Diesner, Aurore Gallot, Hellena Binz, Cyril Gaertner, Simon Vitecek, Jörg Kahnt, Joachim Schachtner, Emmanuelle Jacquin-Joly, Christophe Gadenne
In many insects, mating induces drastic changes in male and female responses to sex pheromones or host-plant odors. In the male moth Agrotis ipsilon mating induces a transient inhibition of behavioral and neuronal responses to the female sex pheromone. As neuropeptides and peptide hormones regulate most behavioral processes, we hypothesize that they could be involved in this mating-dependent olfactory plasticity. Here we used next-generation RNA sequencing and a combination of liquid chromatography, matrix assisted laser desorption ionization time of flight (MALDI-TOF) mass spectrometry and direct tissue profiling to analyze the transcriptome and peptidome of different brain compartments in virgin and mated males and females of A...
February 21, 2018: Journal of Proteome Research
https://www.readbyqxmd.com/read/29461239/-secretory-function-of-white-adipose-tissue-and-adipokines-biological-effects-and-clinical-significance-review
#2
O Sulaieva, Y Chereshneva, N Kartashkina, M Ivanova, D Tsomartova
In addition to accumulation and metabolism of triglycerides, white adipose tissue is recognized as the active endocrine organ, whose dysfunction is associated with the development of a wide range of diseases. The secretome of adipocytes is represented by a wide range of adipokines, which vary in depot and sex-specific manner. In addition, adipokines have diverse biological effects, correlations with different metabolic features and functions. In this review, the data on biological effects, origin and the clinical significance of adipokines are discussed...
January 2018: Georgian Medical News
https://www.readbyqxmd.com/read/29459883/transcriptomic-and-proteomic-profiling-revealed-high-proportions-of-odorant-binding-and-antimicrobial-defense-proteins-in-olfactory-tissues-of-the-house-mouse
#3
Barbora Kuntová, Romana Stopková, Pavel Stopka
Mammalian olfaction depends on chemosensory neurons of the main olfactory epithelia (MOE), and/or of the accessory olfactory epithelia in the vomeronasal organ (VNO). Thus, we have generated the VNO and MOE transcriptomes and the nasal cavity proteome of the house mouse, Mus musculus musculus . Both transcriptomes had low levels of sexual dimorphisms, while the soluble proteome of the nasal cavity revealed high levels of sexual dimorphism similar to that previously reported in tears and saliva. Due to low levels of sexual dimorphism in the olfactory receptors in MOE and VNO, the sex-specific sensing seems less likely to be dependent on receptor repertoires...
2018: Frontiers in Genetics
https://www.readbyqxmd.com/read/29454903/estrogen-receptor-alpha-isoforms-are-the-main-estrogen-receptors-expressed-in-non-small-cell-lung-carcinoma
#4
Vasiliki Pelekanou, Eleftheria Anastasiou, Efstathia Bakogeorgou, George Notas, Marilena Kampa, Rolando Garcia-Milian, Katerina Lavredaki, Eleni Moustou, Georgia Chinari, Petroula Arapantoni, Anthony O'Grady, Vassilios Georgoulias, Andreas Tsapis, Efstathios N Stathopoulos, Elias Castanas
The expression profile of estrogen receptors (ER) in Non-Small Cell Lung Carcinoma (NSCLC) remains contradictory. Here we investigated protein and transcriptome expression of ERα wild type and variants. Tissue Micro-Arrays of 200 cases of NSCLC (paired tumor/non-tumor) were assayed by immunohistochemistry using a panel of ERα antibodies targeting different epitopes (HC20, 6F11, 1D5, ERα36 and ERα17p). ERβ epitopes were also examined for comparison. In parallel we conducted a probe-set mapping (Affymetrix HGU133 plus 2 chip) meta-analysis of 12 NSCLC tumor public transcriptomic studies (1418 cases) and 39 NSCLC cell lines...
February 15, 2018: Steroids
https://www.readbyqxmd.com/read/29453829/proposal-for-new-selection-criteria-considering-pre-transplant-muscularity-and-visceral-adiposity-in-living-donor-liver-transplantation
#5
Yuhei Hamaguchi, Toshimi Kaido, Shinya Okumura, Atsushi Kobayashi, Hisaya Shirai, Siyuan Yao, Shintaro Yagi, Naoko Kamo, Hideaki Okajima, Shinji Uemoto
BACKGROUND: The significance of pre-operative body composition has recently attracted much attention in various diseases. However, cut-off values for these parameters remain undetermined, and these factors are not currently included in selection criteria for recipients of living donor liver transplantation (LDLT). METHODS: Using computed tomography of 657 donors for LDLT, skeletal muscle mass, muscle quality, and visceral adiposity were evaluated by using skeletal muscle mass index (SMI), intramuscular adipose tissue content (IMAC), and visceral-to-subcutaneous adipose tissue area ratio (VSR)...
February 17, 2018: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/29444586/sex-differences-in-pericardial-adipose-tissue-assessed-by-pet-ct-and-association-with-cardiometabolic-risk
#6
Corey M Gill, Debora C Azevedo, Adriana L Oliveira, Edgar L Martinez-Salazar, Martin Torriani, Miriam A Bredella
Background Recent studies suggest that pericardial adipose tissue (PAT) is associated with whole body adiposity and insulin resistance. Moreover, the incidence of cardiovascular disease (CVD) differs between men and women. Although CVD is more prevalent in men, women suffering from CVD have a higher mortality compared to men. Differences in PAT may account for some of the observed sex differences in manifestations of CVD. Purpose To assess pericardial adipose tissue (PAT) as a biomarker for cardiometabolic risk and to assess potential sex differences...
January 1, 2018: Acta Radiologica
https://www.readbyqxmd.com/read/29438174/presence-or-absence-of-significant-hpve4-expression-in-high-grade-anal-intraepithelial-neoplasia-with-p16-ki-67-positivity-indicates-distinct-patterns-of-neoplasia-a-study-combining-immunohistochemistry-and-laser-capture-microdissection-pcr
#7
Annemiek Leeman, Edyta C Pirog, John Doorbar, Miekel M van de Sandt, Folkert J van Kemenade, David Jenkins, Wim G V Quint
Progression of anal intraepithelial neoplasia (AIN) involves transition from productive to transforming human papillomavirus (HPV) infection. Grading aims to distinguish productive low-grade AIN from high-grade anal intraepithelial neoplasia (HGAIN) with risk of cancer. We describe immunohistochemical patterns in AIN adding a novel marker for initiation of the productive phase of the HPV life cycle (panHPVE4) to those for cell cycle activity (Ki-67) and transforming activity of HPVE7 gene (p16). We studied 67 anal biopsies for suspected anal neoplasia (17 normal, 15 AIN1, 20 AIN2, 15 AIN3) from 54 men who have sex with men at New York Presbyterian Hospital, USA...
February 12, 2018: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29436791/promoter-hypermethylation-of-the-eyes-absent-4-gene-is-a-tumor-specific-epigenetic-biomarker-in-iranian-colorectal-cancer-patients
#8
Matineh Barati Bagerabad, Sahar Tavakolian, Mohammad Reza Abbaszadegan, Mohammad Amin Kerachian
The aim of this study was to investigate whether hypermethylation of Eyes Absent 4 (EYA4) is also implicated in Iranian Colorectal Cancer (CRC) patients or not. From fresh frozen tissues, samples from 38 paired (cancer and normal) CRC tissue specimens were used in this study, the DNA was isolated, sodium bisulfite treated and analyzed by methylation-specific polymerase (MSP) chain reaction using primers specific for unmethylated or methylated promoter sequences of the EYA4 gene. We also analyzed EYA4 mRNA expression using real time RT-PCR...
January 2018: Acta Medica Iranica
https://www.readbyqxmd.com/read/29435030/focal-adhesion-kinase-is-overexpressed-in-thymic-epithelial-tumors-and-may-serve-as-an-independent-prognostic-biomarker
#9
Meng Li, Feng Hou, Jie Zhao, Tianqiang Zhang, Dongfei Li, Wensi Wu, Xiaotong Liu, Linhao Xu
Focal adhesion kinase (FAK) has long been considered to be a key regulator of growth factor receptor- and integrin-mediated signals, with pivotal roles in tumor cells through its kinase activity and scaffolding function. Increased FAK expression and activity has been observed in tumors of various origins and is often associated with a poor prognosis. However, there have been no studies on the aberrant expression of FAK in thymic epithelial tumors to date. The aim of the present study was to evaluate FAK expression in thymic epithelial tumors and to explore the prognostic significance of FAK...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29434876/a-retrospective-single-center-cohort-study-on-65-patients-with-primary-retroperitoneal-liposarcoma
#10
Yi-Xi Wu, Jun-Yan Liu, Jia-Jia Liu, Peng Yan, Bo Tang, You-Hong Cui, Yong-Liang Zhao, Yan Shi, Ying-Xue Hao, Pei-Wu Yu, Feng Qian
Primary retroperitoneal liposarcoma (PRPLS) is the most common soft tissue malignancy of the retroperitoneum. To determine the pathological features and the curative effects of surgery in patients with PRPLS, and to elucidate key prognostic factors, the present study retrospectively analyzed the clinical cases of 65 patients with PRPLS. Immunohistochemical analysis demonstrated that vimentin and Ki-67 are better indicators for PRPLS immunohistochemical diagnosis compared with S-100 protein. S-100 protein was predominantly expressed in well-differentiated PRPLS...
February 2018: Oncology Letters
https://www.readbyqxmd.com/read/29432729/functional-characterization-and-quantitative-expression-analysis-of-two-gnrh-related-peptide-receptors-in-the-mosquito-aedes-aegypti
#11
Alireza Oryan, Azizia Wahedi, Jean-Paul V Paluzzi
To cope with stressful events such as flight, organisms have evolved various regulatory mechanisms, often involving control by endocrine-derived factors. In insects, two stress-related factors include the gonadotropin-releasing hormone-related peptides adipokinetic hormone (AKH) and corazonin (CRZ). AKH is a pleiotropic hormone best known as a substrate liberator of proteins, lipids and carbohydrates. CRZ has been shown to have roles in pigmentation, ecdysis or act as a cardiostimulatory factor although a universal function has not yet been elucidated...
February 9, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29431645/subretinal-human-umbilical-tissue-derived-cell-transplantation-preserves-retinal-synaptic-connectivity-and-attenuates-m%C3%A3-ller-glial-reactivity
#12
Sehwon Koh, William J Chen, Nadine S Dejneka, Ian R Harris, Bin Lu, Sergey Girman, Joshua Saylor, Shaomei Wang, Cagla Eroglu
Human umbilical tissue-derived cells (hUTC or palucorcel) are currently under clinical investigation for the treatment of geographic atrophy, a late stage of macular degeneration, but how hUTC transplantation mediates vision recovery is not fully elucidated. Subretinal administration of hUTC preserves visual function in the Royal College of Surgeons (RCS) rat, a genetic model of retinal degeneration caused by Mertk loss-of-function. hUTC secrete synaptogenic and neurotrophic factors that improve the health and connectivity of the neural retina...
February 5, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29428245/sick-leave-after-surgery-for-thumb-carpometacarpal-osteoarthritis-a-population-based-study
#13
Jennifer Moriatis Wolf, Isam Atroshi, Caddie Zhou, Jon Karlsson, Martin Englund
PURPOSE: Patients undergoing surgery for thumb carpometacarpal (CMC1) osteoarthritis often require sick leave owing to postoperative immobilization, pain, and decreased function. Our goal was to evaluate the amount of sick leave after surgery for 2 common CMC1 arthroplasty procedures. METHODS: Using registry data from the Skåne region of southern Sweden, cross-linked with employment data showing person-specific sick leave, 2 cohorts of CMC1 surgical patients, between ages 40 and 59 years, were examined...
February 7, 2018: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29426915/reference-gene-selection-for-rt-qpcr-analysis-in-harmonia-axyridis-a-global-invasive-lady-beetle
#14
Xiaowei Yang, Huipeng Pan, Ling Yuan, Xuguo Zhou
Harmonia axyridis is a voracious predator, a biological control agent, and one of the world most invasive insect species. The advent of next-generation sequencing platforms has propelled entomological research into the genomics and post-genomics era. Real-time quantitative PCR (RT-qPCR), a primary tool for gene expression analysis, is a core technique governs the genomic research. The selection of internal reference genes, however, can significantly impact the interpretation of RT-qPCR results. The overall goal of this study is to identify the reference genes in the highly invasive H...
February 9, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29425159/genome-wide-identification-and-characterization-of-wd40-protein-genes-in-the-silkworm-bombyx-mori
#15
Songzhen He, Xiaoling Tong, Minjin Han, Hai Hu, Fangyin Dai
WD40 proteins are scaffolding molecules in protein-protein interactions and play crucial roles in fundamental biological processes. Genome-wide characterization of WD40 proteins in animals has been conducted solely in humans. We retrieved 172 WD40 protein genes in silkworm (BmWD40s) and identified these genes in 7 other insects, 9 vertebrates and 5 nematodes. Comparative analysis revealed that the WD40 protein gene family underwent lineage-specific expansions during animal evolution, but did not undergo significant expansion during insect evolution...
February 9, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29424020/activation-patterns-of-vasopressinergic-and-oxytocinergic-brain-regions-following-social-play-exposure-in-juvenile-male-and-female-rats
#16
C J Reppucci, C K Gergely, A H Veenema
Social play is a highly rewarding and motivated behavior predominately displayed by juveniles and expressed by nearly all mammalian species. Prior work suggested that the vasopressin (AVP) and oxytocin (OT) systems can regulate the expression of social play in sex-specific ways. Here we investigated whether there are sex differences in the recruitment of vasopressinergic and oxytocinergic brain regions following social play exposure in juvenile rats. Single-housed rats were allowed to play, in their home cage, with an age- and sex-matched unfamiliar conspecific for 10 min, or received similar handling but no partner...
February 9, 2018: Journal of Neuroendocrinology
https://www.readbyqxmd.com/read/29416927/herniation-of-crypts-in-hyperplastic-polyp-and-sessile-serrated-adenoma-a-prospective-study
#17
Kun Hu, Shiqian Shen, Lanjing Zhang
Presence of colonic crypts in submucosa was previously termed as herniation of crypts, pseudoinvasion, epithelial-misplacement, or inverted hyperplastic-polyp. It is considered as an important criterion for diagnosing sessile serrated adenoma (SSA), which links to a higher risk of synchronous and future colorectal cancers compared with hyperplastic polyp (HP). Here, we aimed to study the frequencies, diagnostic specificity and synchronous neoplasms of herniation of crypts in HP and SSA. We prospectively included all HP and SSA cases and 514 randomly-selected colorectal polyps of normal histology diagnosed from 2013 to 2015 at our institution...
2018: American Journal of Cancer Research
https://www.readbyqxmd.com/read/29414640/malondialdehyde-acetaldehyde-antibody-concentrations-in-rheumatoid-arthritis-and-other-rheumatic-conditions
#18
Ted R Mikuls, Michael J Duryee, Bryant R England, Daniel R Anderson, Michelene Hearth-Holmes, Kaihong Su, Kaleb Michaud, Jeffrey B Payne, Harlan Sayles, Carlos Hunter, Jacob D McGowan, Lynell W Klassen, Geoffrey M Thiele
OBJECTIVE: To compare anti-malondialdehyde-acetaldehyde (MAA) antibody concentrations between rheumatoid arthritis (RA) patients and healthy and rheumatic disease controls. METHODS: Anti-MAA antibody (IgA, IgM, IgG) was measured using ELISA and banked serum from patients with RA (n = 284), osteoarthritis (OA, n = 330), spondyloarthropathy (SpA, n = 50), and systemic lupus erythematosus (SLE, n = 88) as well as healthy controls (n = 82). Anti-MAA antibody concentrations and the frequency of positivity were compared across groups...
February 1, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29409950/tamoxifen-activates-hypothalamic-l-dopa-synthesis-to-stimulate-ovarian-estrogen-production-in-chicken
#19
Yong Mao, Xuan Wu, Li An, Xiao Li, Ze Li, Guiyu Zhu
Estrogen is the primary sex hormone responsible for the development and modulation of the female reproductive system in all vertebrates including avian species. The actions of estrogen are mediated by the estrogen receptor, which could be modulated by the selective estrogen receptor modulator tamoxifen (TAM). In this study, we administered TAM into the actively laying chicken to investigate the ovarian and hypothalamic responses to the estrogen action blockage. The laying was disrupted and the development of the pre-ovulatory hierarchical follicles was arrested...
February 1, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29408876/cloning-and-expression-analysis-of-the-dead-box-rna-helicase-oslaf-1-in-ovomermis-sinensis
#20
Siying Tao, Zhenlong Jiao, Guigui Wen, Lihong Zhang, Guoxiu Wang
Ovomermis sinensis is a potentially-valuable nematode for controlling insect pests. The parasitic stage of the nematode absorbs nutrients in its host's hemolymph to maintain its growth development and then kills the host when it emerges. At present, little known about its reproductive development, particularly the responsible molecular mechanism. More detailed research on the genes of reproductive development will not only help us understand the mechanisms underlying sex differentiation in the nematode, but would also be valuable for successfully cultivating them in vitro and using them for biocontrol...
2018: PloS One
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