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https://www.readbyqxmd.com/read/29236298/leptin-a-new-therapeutic-target-for-treatment-of-diabetes-mellitus
#1
Kanwal Rehman, Muhammad Sajid Hamid Akash, Zunaira Alina
Leptin is an endogenous protein having 167 amino acids and is derived from adipocytes. It hass tertiary structure that resembles with that of the pro-inflammatory cytokines family. The fundamental role of leptin is to maintain the energy homeostasis with the aid of its counter hormone called ghrelin, known as the "hunger hormone". Small quantities of leptin are also present in various tissues like ovary, placenta, pituitary gland, mammary gland, skeletal muscle, stomach and lymphoid tissue. Expression of leptin is strongly associated with various inflammatory responses and immune system, and plays crucial role in the pathophysiology of obesity and development of diabetes mellitus (DM) and insulin resistance...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236219/radioresistant-sf9-insect-cells-readily-undergo-an-intrinsic-mode-of-apoptosis-in-response-to-histone-deacetylase-hdac-inhibition
#2
Jyoti Swaroop Kumar, Shubhankar Suman, Sudhir Chandna
Insect cell lines have been utilized as an important higher eukaryotic model system to decipher stress responses and cell death mechanisms. Lepidopteran Sf9 cells (derived from the ovaries of Spodoptera frugiperda) display nearly 100 times higher resistance to ionizing radiation in contrast to mammalian cells, which is partly contributed by an unusually high HDAC activity. However, their response to HDAC inhibition remains to be evaluated. In the present study, the effects of HDAC inhibitor (NaBt) on Sf9 cellular/nuclear morphology, cell cycle progression, DNA damage/repair, redox status, and mitochondrial perturbations were evaluated...
December 13, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29236205/a-novel-fibrin-based-artificial-ovary-prototype-resembling-human-ovarian-tissue-in-terms-of-architecture-and-rigidity
#3
Maria Costanza Chiti, Marie-Madeleine Dolmans, Lucie Mortiaux, Flanco Zhuge, Emna Ouni, Parinaz Asiabi Kohneh Shahri, Evelyne Van Ruymbeke, Sophie-Demoustier Champagne, Jacques Donnez, Christiani Andrade Amorim
PURPOSE: The aim of this study is to optimize fibrin matrix composition in order to mimic human ovarian tissue architecture for human ovarian follicle encapsulation and grafting. METHODS: Ultrastructure of fresh human ovarian cortex in age-related women (n = 3) and different fibrin formulations (F12.5/T1, F30/T50, F50/T50, F75/T75), rheology of fibrin matrices and histology of isolated and encapsulated human ovarian follicles in these matrices. RESULTS: Fresh human ovarian cortex showed a highly fibrous and structurally inhomogeneous architecture in three age-related patients, but the mean ± SD of fiber thickness (61...
December 13, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/29236054/genome-wide-profiling-of-small-rnas-and-degradome-revealed-conserved-regulations-of-mirnas-on-auxin-responsive-genes-during-fruit-enlargement-in-peaches
#4
Mengya Shi, Xiao Hu, Yu Wei, Xu Hou, Xue Yuan, Jun Liu, Yueping Liu
Auxin has long been known as a critical phytohormone that regulates fruit development in plants. However, due to the lack of an enlarged ovary wall in the model plants Arabidopsis and rice, the molecular regulatory mechanisms of fruit division and enlargement remain unclear. In this study, we performed small RNA sequencing and degradome sequencing analyses to systematically explore post-transcriptional regulation in the mesocarp at the hard core stage following treatment of the peach (Prunus persica L.) fruit with the synthetic auxin α-naphthylacetic acid (NAA)...
December 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29235035/is-acupuncture-actually-not-effective-for-polycystic-ovary-syndrome-analysis-of-the-trial-published-in-jama
#5
Wei-Juan Gang, Xiang-Hong Jing
In recent years, acupuncture has been applied to treat more and more patients suffering from polycystic ovary syndrome (PCOS). On June 27, 2017 a paper titled "Effect of acupuncture and clomiphene in Chinese women with polycystic ovary syndrome: a randomized clinical trial" was published in Journal of the American Medical Association (JAMA). The results did not support acupuncture as an effective therapy for improving the live births in PCOS. The aim of this article was to analyze the therapeutic regimen and design of the clinical trial...
December 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/29233731/do-different-diagnostic-criteria-cause-impact-polycystic-ovary-syndrome-diagnosis-for-adolescents
#6
Sinem Akgül, Yasemin Düzçeker, Nuray Kanbur, Orhan Derman
OBJECTIVE: While early diagnosis of polycystic ovary syndrome (PCOS) in adolescents may allow for earlier treatment and prevention of chronic disorders, incorrect or premature diagnosis carries risks of unnecessary treatment and psychological distress. There is no consensus concerning which diagnostic criteria to use for adolescents and current criteria vary. The objective of this study was to determine whether using different diagnostic criteria will affect PCOS diagnosis in adolescents...
December 9, 2017: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/29233547/the-developing-spectrum-of-gastric-type-cervical-glandular-lesions
#7
REVIEW
Karen L Talia, W Glenn McCluggage
Adenocarcinoma of the cervix is less common than squamous cell carcinoma, although its relative prevalence is increasing. Oncogenic (high-risk) human papillomavirus (HPV) infection is implicated in the development of approximately 90% of all cervical adenocarcinomas. Of the remaining non-HPV associated tumours, the most frequent is gastric-type adenocarcinoma (GAS), which is recognised by the World Health Organization as a form of mucinous adenocarcinoma of the cervix. Minimal deviation adenocarcinoma (MDA) of mucinous type (adenoma malignum) is considered an extremely well differentiated variant of GAS and is encompassed within the category of GAS...
December 9, 2017: Pathology
https://www.readbyqxmd.com/read/29233485/body-fat-affects-mouse-reproduction-ovarian-hormone-release-and-response-to-follicular-stimulating-hormone
#8
Alexander V Sirotkin, Dušan Fabian, Janka Babeľová Kubandová, Radoslava Vlčková, Saleh Alwasel, Abdel Halim Harrath
We investigated the effects of body fat content on mouse fecundity, ovarian hormone release, and their response to follicle stimulation hormone (FSH). 4 types of females were produced: lean (group 1), normal (group 2), slightly fat (group 3), and significantly fat (group 4). The body weights, fat content, fertility rate, embryo number produced, retarded and degenerated embryo percentage, the release of progesterone (P4), testosterone (T), and insulin-like growth factor I (IGF-I) by isolated ovaries cultured with and without FSH (1...
December 7, 2017: Reproductive Biology
https://www.readbyqxmd.com/read/29233458/development-of-hyper-osmotic-resistant-cho-host-cells-for-enhanced-antibody-production
#9
Yasuharu Kamachi, Takeshi Omasa
Cell culture platform processes are generally employed to shorten the duration of new product development. A fed-batch process with continuous feeding is a conventional platform process for monoclonal antibody production using Chinese hamster ovary (CHO) cells. To establish a simplified platform process, the feeding method can be changed from continuous feed to bolus feed. However, this change induces a rapid increase of osmolality by the bolus addition of nutrients. The increased osmolality suppresses cell culture growth, and the final product concentration is decreased...
December 7, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/29233188/the-rio-protein-kinase-encoding-gene-sj-riok-2-is-involved-in-key-reproductive-processes-in-schistosoma-japonicum
#10
Lu Zhao, Xin He, Christoph G Grevelding, Qing Ye, Ying Li, Robin B Gasser, Colette Dissous, Mudassar N Mughal, Yan-Qin Zhou, Jun-Long Zhao, Min Hu
BACKGROUND: Schistosomiasis is one of the most prevalent parasitic diseases worldwide and is caused by parasitic trematodes of the genus Schistosoma. The pathogenesis of schistosomiasis is caused by eggs whose production is the consequence of the pairing of schistosomes and the subsequent sexual maturation of the female. Previous studies have demonstrated that protein kinases are involved in processes leading to the male-induced differentiation of the female gonads, ovary and vitellarium...
December 12, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29233171/deep-infiltrating-ureteral-endometriosis-with-catamenial-hydroureteronephrosis-a-case-report
#11
Hyun Jung Lee, Yoon Soon Lee
BACKGROUND: This aim of this case report is to raise awareness of ureteral endometriosis in women of reproductive age with hydronephrosis in the absence of urolithiasis to enable early diagnosis and prevent loss of renal function. CASE PRESENTATION: A 44-year-old Asian woman presented with a 4-year history of cyclic right flank pain and right hydronephrosis during menstruation. Despite several evaluations by physicians, including gynecologists, the cause of her symptoms was not diagnosed...
December 13, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29232906/histology-of-the-ovary-of-the-laying-hen-gallus-domesticus
#12
K Denise Apperson, Karyn E Bird, Gita Cherian, Christiane V Löhr
The laying hen (Gallus domesticus) is a robust animal model for epithelial ovarian cancer. The use of animal models is critical in identifying early disease markers and developing and testing chemotherapies. We describe the microscopic characteristics of the normally functioning laying hen ovary and proximal oviduct to establish baselines from which lesions associated with ovarian cancer can be more readily identified. Ovaries and oviducts were collected from 18-month-old laying hens (n = 18) and fixed in 10% neutral buffered formalin...
December 11, 2017: Veterinary Sciences
https://www.readbyqxmd.com/read/29232894/significant-down-regulation-of-biological-adhesion-genes-in-porcine-oocytes-after-ivm
#13
Joanna Budna, Piotr Celichowski, Artur Bryja, Marta Dyszkiewicz-Konwińska, Michal Jeseta, Dorota Bukowska, Paweł Antosik, Klaus Peter Brüssow, Małgorzata Bruska, Michał Nowicki, Maciej Zabel, Bartosz Kempisty
Proper maturation of the mammalian oocyte is a compound processes determining successful monospermic fertilization, however the number of fully mature porcine oocytes is still unsatisfactory. Since oocytes' maturation and fertilization involve cellular adhesion and membranous contact, the aim was to investigate cell adhesion ontology group in porcine oocytes. The oocytes were collected from ovaries of 45 pubertal crossbred Landrace gilts and subjected to two BCB tests. After the first test, only granulosa cell-free BCB⁺ oocytes were directly exposed to microarray assays and RT-qPCR ("before IVM" group), or first in vitro matured and then if classified as BCB⁺ passed to molecular analyses ("after IVM" group)...
December 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29232769/antiparkinsonian-and-antidyskinetic-profiles-of-two-novel-potent-and-selective-nociceptin-orphanin-fq-receptor-agonists
#14
Ludovico Arcuri, Salvatore Novello, Martina Frassineti, Daniela Mercatelli, Clarissa Anna Pisanò, Ilaria Morella, Stefania Fasano, Blair V Journigan, Michael E Meyer, Willma E Polgar, Riccardo Brambilla, Nurulain T Zaveri, Michele Morari
BACKGROUND AND PURPOSE: We previously showed that Nociceptin/orphanin FQ opioid peptide (NOP) receptor agonists attenuate the expression of levodopa-induced dyskinesia in animal models of Parkinson's disease. We now investigate the efficacy of two novel, potent and chemically distinct NOP receptor agonists, AT-390 and AT-403, to improve parkinsonian disabilities and attenuate dyskinesia development and expression. EXPERIMENTAL APPROACH: Binding affinity and functional efficacy of AT-390 and AT-403 at the opioid receptors were determined in radioligand displacement assays and in GTPγS binding assay respectively, conducted in Chinese hamster ovary cells...
December 12, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29232631/ambiguous-genitalia-a-social-dilemma-in-bangladesh-a-case-report
#15
Mohiuddin Ahsanul Kabir Chowdhury, Rashidul Anwar, Arnab Saha
INTRODUCTION: Ambiguous Genitalia is a form of birth defect in which sex of the newborn cannot be readily distinguishable because of atypical appearance of the external genitalia. CASE REPORT-CLINICAL FINDINGS: The patient, an 8 months old baby, was identified as a female baby since birth; but, some senior members of their neighborhood raised confusion regarding sex differentiation of the child. On examination, there was enlarged clitoris or micropenis, bifid scrotum or labioscrotal fold, and separate presence of urethral and vaginal orifices...
December 8, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29232468/the-new-classifications-of-ovarian-fallopian-tube-and-primary-peritoneal-cancer-and-their-clinical-implications
#16
L R Duska, E C Kohn
The roles of histologic characterization and staging are to provide reproducible metrics for cancer classification with which to direct the most appropriate clinical care and to yield the most stable reliable system to allow both prospective and retrospective data analysis. Both the histologic and staging classifications of malignant ovarian/tubal/peritoneal cancers have recently changed. The World Health Organization sponsored a review and reclassification of the pathology of cancers of the ovaries, fallopian tubes, and peritoneum, and published these updates in 2014...
November 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29232372/attenuated-expression-of-mtr-in-both-prenatally-androgenized-mice-and-women-with-the-hyperandrogenic-phenotype-of-pcos
#17
Lei Lei, Lijun Ding, Jing Su, Mengyuan Liu, Qingqing Shi, Jianjun Zhou, Haixiang Sun, Guijun Yan
Polycystic ovary syndrome (PCOS) is a common endocrine, metabolic and heterogeneous disorder in women of reproductive age, the exact etiology of which remains unknown. To unravel the molecular mechanisms underlying the hyperandrogenic phenotype of PCOS, prenatally androgenized (PNA) mice were used to mimic this phenotype in women with PCOS. Using microarray analysis, 1188 differentially expressed genes, including 671 upregulated and 517 downregulated genes, were identified in ovaries from PNA mice. Five differentially expressed genes (Aldh1a7, Bhmt, Mtr, Nrcam, Ptprg) were validated, and decreased MTR expression was shown in ovaries of PNA mice...
2017: PloS One
https://www.readbyqxmd.com/read/29232190/the-effects-of-curcuma-longa-and-curcumin-on-reproductive-systems
#18
R Mohebbati, A Anaeigoudari, M R Khazdair
OBJECTIVE: Curcuma longa (C. longa) was used in some countries such as China and India for various medicinal purposes. Curcumin, the active component of C. longa, is commonly used as a coloring agent in foods, drugs, and cosmetics. C. longa and curcumin have been known to act as antioxidant, anti-inflammatory, anti-mutagen, and anti-carcinogenic agents. Th e attempt of the present review was to give an effort on a detailed literature survey concentrated on the protective effects of C...
October 26, 2017: Endocrine Regulations
https://www.readbyqxmd.com/read/29231617/-protocol-optimization-and-quality-control-of-large-scale-acupuncture-clinical-trial-for-infertility
#19
Yingying Deng, Jingshu Gao, Hongli Ma, Rong Wang, Xiuhua Chen, Hongxia Ma, Xiaofeng Xu, Juan Li, Xiaoke Wu
The design of research protocol and quality control are the key to ensure the quality of clinical trial. A randomized clinical trial regarding the effects of medication combined with acupuncture on live birth rate in polycystic ovary syndrome (PCOS), which was initially designed as a comparative effectiveness research, then added with an acupuncture control group and finally became a factorial analysis, is taken as an example to explain the protocol design and optimization process, demonstrating the high level of methodology design and international recognization...
May 12, 2017: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29231543/-dong-s-extraordinary-acupoints-for-the-ovarian-function-of-polycystic-ovary-syndrome-a-randomized-controlled-pilot-trial
#20
Yu Cao, Li Zhang, Danyang Zhao, Zhishun Liu
OBJECTIVE: To preliminary assess the efficacy of DONG's extraordinary acupoints for the ovarian function of polycystic ovary syndrome. METHODS: Fifty-six patients were randomized into an acupuncture group and a western medication group. In the acupuncture group, the acupoints were Fuke, Huanchao, Tianhuang (Yinlingquan, SP 9), Renhuang (Sanyinjiao, SP 6), Guanyuan (CV 4), Zigong (EX-CA 1). The treatment was used twice a week for continuous 12 weeks. In the western medication group, patients were given diane-35 for 3 menstrual cycles, once a day for 21 days with 7 days between the two sessions...
July 12, 2017: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
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