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https://www.readbyqxmd.com/read/28927006/emerging-roles-of-heparanase-in-viral-pathogenesis
#1
REVIEW
Neel Thakkar, Tejabhiram Yadavalli, Dinesh Jaishankar, Deepak Shukla
Heparan sulfate (HS) is ubiquitously expressed on mammalian cells. It is a polysaccharide that binds growth factors, cytokines, and chemokines, and thereby controls several important physiological functions. Ironically, many human pathogens including viruses interact with it for adherence to host cells. HS functions can be regulated by selective modifications and/or selective cleavage of the sugar chains from the cell surface. In mammals, heparanase (HPSE) is the only known enzyme capable of regulating HS functions via a selective endoglycosidase activity that cleaves polymeric HS chains at internal sites...
September 18, 2017: Pathogens
https://www.readbyqxmd.com/read/28926008/the-economic-efficiency-and-equity-of-government-policies-on-brucellosis-comparative-insights-from-albania-and-the-united-states-of-america
#2
D Peck, M Bruce
Brucellosis is a zoonotic bacterial disease that causes recurring febrile illness in humans, as well as reproductive failure and reduced milk production in livestock. The cost of brucellosis is equal to the sum of lost productivity of humans and animals, as well as private and public expenditures on brucellosis surveillance, prevention, control and treatment. In Albania, Brucella abortus and B. melitensis affect humans, cattle and small ruminants. In the United States, B. abortus affects cattle and wild ungulates in the Greater Yellowstone Area...
April 2017: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/28925605/predictivity-of-nonclinical-male-reproductive-findings-for-human-effects
#3
Anthony R Scialli, Richard V Clark, Robert E Chapin
BACKGROUND: Testing of pharmaceutical products for reproductive toxicity in male laboratory animals is required for registration. METHODS: We evaluated whether the results of studies showing male reproductive toxicity in experimental animals was predictive of reproductive effects in men participating in clinical trials. We surveyed companies for information on pharmaceutical candidates that had shown male reproductive toxicity in nonclinical studies for which there was information on male reproductive effects in clinical trials...
September 19, 2017: Birth defects research
https://www.readbyqxmd.com/read/28925396/mig-6-negatively-regulates-stat3-phosphorylation-in-uterine-epithelial-cells
#4
J-Y Yoo, W S Yang, J H Lee, B G Kim, R R Broaddus, J M Lim, T H Kim, J-W Jeong
Endometrial cancer is the most common malignancy of the female genital tract. Progesterone (P4) has been used for several decades in endometrial cancer treatment, especially in women who wish to retain fertility. However, it is unpredictable which patients will respond to P4 treatment and which may have a P4-resistant cancer. Therefore, identifying the mechanism of P4 resistance is essential to improve the therapies for endometrial cancer. Mitogen-inducible gene 6 (Mig-6) is a critical mediator of progesterone receptor (PGR) action in the uterus...
September 18, 2017: Oncogene
https://www.readbyqxmd.com/read/28925273/-current-trends-in-gamete-donation-psychosocial-and-ethical-issues
#5
T Rumpíková, I Oborná, H Konečná
OBJECTIVE: To overview contemporary knowledge of legal and psychosocial rules in gamete donation. Previously, anonymous donation was preferred and recommended by experts but currently, with respect to the right to know the genetic origin of individuals, the relation to donor anonymity was reconsidered in many countries. There is a growing tendency to introduce the open identity system in gamete donation. Such system may guarantee that the child born after gamete donation may have receive the identification data of the donor of gametes...
2017: Ceská Gynekologie
https://www.readbyqxmd.com/read/28924290/a-case-report-of-acute-myelogenous-leukemia-with-turner-syndrome
#6
Nadir Siddiqui, Mirza Faris Ali Baig, Bilal Ahmed Khan
Turner Syndrome was diagnosed in a 45 years old female, known case of Acute Myeloid Leukaemia (AML) with maturation, on Bone Marrow biopsy. She presented with blurred vision, vertigo, exertional dyspnoea and insomnia. She did not show the typical features of Turner syndrome, but her cytogenetis confirmed the diagnosis. Bone marrow biopsy showed diffuse infiltration of blast cells with cellularity around 80-85% and haematopoietic suppression. Karyotype analysis showed: 45 X, -X, t (8; 21) (q22; q22) [According to The International System for Human Cytogenetic Nomenclature (ISCN)]...
September 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28923287/aberrant-expression-of-epithelial-leucine-rich-repeat-containing-g-protein-coupled-receptor-5-positive-cells-in-the-eutopic-endometrium-in-endometriosis-and-implications-in-deep-infiltrating-endometriosis
#7
Júlia Vallvé-Juanico, Elena Suárez-Salvador, Josep Castellví, Agustín Ballesteros, Hugh S Taylor, Antonio Gil-Moreno, Xavier Santamaria
OBJECTIVE: To characterize leucine-rich repeat containing G protein-coupled receptor 5-positive (LGR5(+)) cells from the endometrium of women with endometriosis. DESIGN: Prospective experimental study. SETTING: University hospital/fertility clinic. PATIENT(S): Twenty-seven women with endometriosis who underwent surgery and 12 healthy egg donors, together comprising 39 endometrial samples. INTERVENTION(S): Obtaining of uterine aspirates by using a Cornier Pipelle...
September 15, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28923130/regulating-cinematic-stories-about-reproduction-pregnancy-childbirth-abortion-and-movie-censorship-in-the-us-1930-1958
#8
David A Kirby
In the mid-twentieth century film studios sent their screenplays to Hollywood's official censorship body, the Production Code Administration (PCA), and to the Catholic Church's Legion of Decency for approval and recommendations for revision. This article examines the negotiations between filmmakers and censorship groups in order to show the stories that censors did, and did not, want told about pregnancy, childbirth and abortion, as well as how studios fought to tell their own stories about human reproduction...
September 2017: British Journal for the History of Science
https://www.readbyqxmd.com/read/28921655/fast-dynamic-ventilation-mri-of-hyperpolarized-129-xe-using-spiral-imaging
#9
Ozkan Doganay, Tahreema N Matin, Anthony Mcintyre, Brian Burns, Rolf F Schulte, Fergus V Gleeson, Daniel Bulte
PURPOSE: To develop and optimize a rapid dynamic hyperpolarized (129) Xe ventilation (DXeV) MRI protocol and investigate the feasibility of capturing pulmonary signal-time curves in human lungs. THEORY AND METHODS: Spiral k-space trajectories were designed with the number of interleaves Nint  = 1, 2, 4, and 8 corresponding to voxel sizes of 8 mm, 5 mm, 4 mm, and 2.5 mm, respectively, for field of view = 15 cm. DXeV images were acquired from a gas-flow phantom to investigate the ability of Nint  = 1, 2, 4, and 8 to capture signal-time curves...
September 16, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28921614/an-optimized-framework-for-quantitative-magnetization-transfer-imaging-of-the-cervical-spinal-cord-in-vivo
#10
Marco Battiston, Francesco Grussu, Andrada Ianus, Torben Schneider, Ferran Prados, James Fairney, Sebastien Ourselin, Daniel C Alexander, Mara Cercignani, Claudia A M Gandini Wheeler-Kingshott, Rebecca S Samson
PURPOSE: To develop a framework to fully characterize quantitative magnetization transfer indices in the human cervical cord in vivo within a clinically feasible time. METHODS: A dedicated spinal cord imaging protocol for quantitative magnetization transfer was developed using a reduced field-of-view approach with echo planar imaging (EPI) readout. Sequence parameters were optimized based in the Cramer-Rao-lower bound. Quantitative model parameters (i.e., bound pool fraction, free and bound pool transverse relaxation times [ T2F, T2B], and forward exchange rate [kFB ]) were estimated implementing a numerical model capable of dealing with the novelties of the sequence adopted...
September 16, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28919976/impacts-of-prenatal-nutrition-on-animal-production-and-performance-a-focus-on-growth-and-metabolic-and-endocrine-function-in-sheep
#11
REVIEW
Prabhat Khanal, Mette Olaf Nielsen
The concept of foetal programming (FP) originated from human epidemiological studies, where foetal life nutrition was linked to health and disease status later in life. Since the proposal of this phenomenon, it has been evaluated in various animal models to gain further insights into the mechanisms underlying the foetal origins of health and disease in humans. In FP research, the sheep has been quite extensively used as a model for humans. In this paper we will review findings mainly from our Copenhagen sheep model, on the implications of late gestation malnutrition for growth, development, and metabolic and endocrine functions later in life, and discuss how these implications may depend on the diet fed to the animal in early postnatal life...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28918949/old-growth-fishes-become-scarce-under-fishing
#12
Lewis A K Barnett, Trevor A Branch, R Anthony Ranasinghe, Timothy E Essington
Researchers have long recognized the importance of ecological differences at the species level in structuring natural communities yet until recently have often overlooked the influence of intraspecific trait variation, which can profoundly alter community dynamics [1]. Human extraction of living resources can reduce intraspecific trait variation by, for example, causing truncation of age and size structure of populations, where numbers of older individuals decline far more with exploitation than younger individuals...
September 7, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28918339/interference-of-dibutylphthalate-on-human-prostate-cell-viability
#13
Mariana Di Lorenzo, Maurizio Forte, Salvatore Valiante, Vincenza Laforgia, Maria De Falco
Dibutylphthalate (DBP) is an environmental pollutant widely used as plasticizer in a variety of industrial applications worldwide. This agent can be found in personal-care products, children's toy, pharmaceuticals, food products. Exposure to DBP can occur via ingestion and inhalation as well as intravenous or skin contact. DBP belongs to the family of endocrine disrupting chemicals (EDCs) and its effects on reproductive system were demonstrated both in vivo and in vitro. In the present study we evaluated the effects of DBP on human prostate adenocarcinoma epithelial cells (LNCaP) in order to highlight xenoestrogens influence on human prostate...
September 14, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28918284/new-insights-into-human-female-reproductive-tract-development
#14
Stanley J Robboy, Takeshi Kurita, Laurence Baskin, Gerald R Cunha
We present a detailed review of the embryonic and fetal development of the human female reproductive tract utilizing specimens from the 5th through the 22nd gestational week. Hematoxylin and eosin (H&E) as well as immunohistochemical stains were used to study the development of the human uterine tube, endometrium, myometrium, uterine cervix and vagina. Our study revisits and updates the classical reports of Koff (1933) and Bulmer (1957) and presents new data on development of human vaginal epithelium. Koff proposed that the upper 4/5ths of the vagina is derived from Müllerian epithelium and the lower 1/5th derived from urogenital sinus epithelium, while Bulmer proposed that vaginal epithelium derives solely from urogenital sinus epithelium...
August 11, 2017: Differentiation; Research in Biological Diversity
https://www.readbyqxmd.com/read/28917126/effects-of-a-single-administration-of-different-gonadotropins-on-day-7%C3%A2-post-insemination-on-pregnancy-outcomes-of-rabbit-does
#15
N M Hashem, Z R Aboul-Ezz
This study aimed to investigate the effects of a single administration of one of three different gonadotropins on Day 7 post-insemination on ovarian activity, progesterone (P4) concentration and pregnancy outcomes of rabbit does. Multiparous, non-lactating, V-line does were artificially inseminated after synchronization and ovulation induction with equine chorionic gonadotropin (eCG; 25 IU im) and gonadotropin releasing hormone (GnRH; 0.8  μg buserelin im) 48 h later. On Day 7 post-inseminarion, does were randomly allocated into four groups (n = 40/group)...
September 7, 2017: Theriogenology
https://www.readbyqxmd.com/read/28916758/role-of-the-venus-kinase-receptor-in-the-female-reproductive-physiology-of-the-desert-locust-schistocerca-gregaria
#16
Cynthia Lenaerts, Jolien Palmans, Elisabeth Marchal, Rik Verdonck, Jozef Vanden Broeck
Venus kinase receptors (VKR) are a subfamily of invertebrate receptor tyrosine kinases, which have only recently been discovered. They contain an intracellular tyrosine kinase domain and an extracellular Venus FlyTrap domain. VKRs have been functionally and pharmacologically characterized in only two invertebrate species, namely the human parasite Schistosoma mansoni and the mosquito Aedes aegypti, where they play a crucial role in oogenesis. Here, we report the characterization of a VKR in the desert locust, Schistocerca gregaria...
September 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28916717/nlrps-the-subcortical-maternal-complex-and-genomic-imprinting
#17
David Monk, Marta Sanchez-Delgado, Rosemary Fisher
Before activation of the embryonic genome, the oocyte provides many of the RNAs and proteins required for the epigenetic reprogramming and the transition to a totipotent state. Targeted disruption of a subset of oocyte-derived transcripts in mice results in early embryonic lethality and cleavage stage embryonic arrest as highlighted by the members of the Subcortical Maternal Complex (SCMC). Maternal-effect recessive mutations of NLRP7, KHDC3L and NLRP5 in humans are associated with variable reproductive outcomes, biparental hydatidiform moles (BiHM) and widespread multi-locus imprinting disturbances...
September 15, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28915450/molecular-signature-and-functional-analysis-of-uterine-ilcs-in-mouse-pregnancy
#18
Minmin Li, Yimin Gao, Liang Yong, Dake Huang, Jijia Shen, Miao Liu, Cuiping Ren, Xin Hou
In addition to natural killer cells, other innate lymphoid cells have recently been identified in the mouse and human uterus, but their roles in successful pregnancy remain poorly defined. In this study, we examined the dynamic changes of uterine innate lymphoid cells throughout pregnancy in mice. We found that the total number of uterine innate lymphoid cells markedly increased at early-gestation. Among the three groups of uterine innate lymphoid cells, the number of the group 2 uterine innate lymphoid cells increased the most during pregnancy...
September 8, 2017: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/28915328/cns-targets-of-adipokines
#19
Craig Beall, Lydia Hanna, Kate L J Ellacott
Our understanding of adipose tissue as an endocrine organ has been transformed over the last 20 years. During this time, a number of adipocyte-derived factors or adipokines have been identified. This article will review evidence for how adipokines acting via the central nervous system (CNS) regulate normal physiology and disease pathology. The reported CNS-mediated effects of adipokines are varied and include the regulation of energy homeostasis, autonomic nervous system activity, the reproductive axis, neurodevelopment, cardiovascular function, and cognition...
September 12, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28914121/evidence-based-recommendations-to-improve-reproductive-healthcare-for-incarcerated-women
#20
Andrea Knittel, Angeline Ti, Sarah Schear, Megan Comfort
Purpose The purpose of this paper is to describe standards for evidence-based reproductive healthcare for incarcerated women. Design/methodology/approach The literature on reproductive healthcare in the US criminal justice system and recommendations from professional organizations were reviewed and critical areas of concern were identified. Within these areas, studies and expert opinion were synthesized and policy recommendations were formulated through an iterative process of group discussion and document revision...
September 11, 2017: International Journal of Prisoner Health
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