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https://www.readbyqxmd.com/read/28641377/paternal-care-in-biparental-rodents-intra-and-inter-individual-variation
#1
Wendy Saltzman, Breanna N Harris, Trynke R De Jong, Juan P Perea-Rodriguez, Nathan D Horrell, Meng Zhao, Jacob R Andrew
Parental care by fathers, although rare among mmmals, can be essential for the survival and normal development of offspring in biparental species. A growing body of research on biparental rodents has identified several developmental and experiential influences on paternal responsiveness. Some of these factors, such as pubertal maturation, interactions with pups, and cues from a pregnant mate, contribute to pronounced changes in paternal responsiveness across the course of the lifetime in individual males. Others, particularly intrauterine position during gestation and parental care received during postnatal development, can have long-term effects on paternal behavior and contribute to stable differences among individuals within a species...
June 21, 2017: Integrative and Comparative Biology
https://www.readbyqxmd.com/read/28638793/current-state-and-controversies-in-fertility-preservation-in-women-with-breast-cancer
#2
REVIEW
Enes Taylan, Kutluk H Oktay
On average, over 25000 women are diagnosed with breast cancer under the age of 45 annually in the United States. Because an increasing number of young women delay childbearing to later life for various reasons, a growing population of women experience breast cancer before completing childbearing. In this context, preservation of fertility potential of breast cancer survivors has become an essential concept in modern cancer care. In this review, we will outline the currently available fertility preservation options for women with breast cancer of reproductive age, discuss the controversy behind hormonal suppression for gonadal protection against chemotherapy and highlight the importance of timely referral by cancer care providers...
June 10, 2017: World Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28627057/vitamin-d-metabolism-in-growing-pigs-influence-of-uvb-irradiation-and-dietary-vitamin-d-supply-on-calcium-homeostasis-its-regulation-and-bone-metabolism
#3
E Kolp, M R Wilkens, W Pendl, B Eichenberger, A Liesegang
The aim of this study was to prove whether pigs are able to synthesize vitamin D (vitD) in the skin and to investigate the influence of ultraviolet irradiation (UVB) on vitD status and calcium (Ca) homeostasis of growing pigs. Thirty-two 11-week-old pigs were kept without access to sunlight and divided into four groups receiving the following treatment in a 2 × 2 factorial design: (i) UVB irradiation or not and (ii) vitD in feed or not. Blood, urine and faeces were sampled every third week. In serum, vitD metabolites, Ca, phosphorus (P), magnesium (Mg) and bone markers were analysed...
June 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28626777/long-term-efficacy-and-safety-of-insulin-and-glucokinase-gene-therapy-for-diabetes-8-year-follow-up-in-dogs
#4
Maria Luisa Jaén, Laia Vilà, Ivet Elias, Veronica Jimenez, Jordi Rodó, Luca Maggioni, Rafael Ruiz-de Gopegui, Miguel Garcia, Sergio Muñoz, David Callejas, Eduard Ayuso, Tura Ferré, Iris Grifoll, Anna Andaluz, Jesus Ruberte, Virginia Haurigot, Fatima Bosch
Diabetes is a complex metabolic disease that exposes patients to the deleterious effects of hyperglycemia on various organs. Achievement of normoglycemia with exogenous insulin treatment requires the use of high doses of hormone, which increases the risk of life-threatening hypoglycemic episodes. We developed a gene therapy approach to control diabetic hyperglycemia based on co-expression of the insulin and glucokinase genes in skeletal muscle. Previous studies proved the feasibility of gene delivery to large diabetic animals with adeno-associated viral (AAV) vectors...
September 15, 2017: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/28625761/impact-of-vitamin-d-levels-on-ovarian-reserve-and-ovarian-response-to-ovarian-stimulation-in-oocyte-donors
#5
Alberta Maria Fabris, Maria Cruz, Carlos Iglesias, Alberto Pacheco, Azadeh Patel, Jayesh Patel, Human Fatemi, Juan Antonio García-Velasco
Recently, growing interest in vitamin D has emerged from findings that demonstrate a low vitamin D status in populations. Similarly, much interest has been shown in the role that anti-Müllerian hormone (AMH) plays in reproductive physiology. Considerable confusion as to whether vitamin D status is related to ovarian function can be found in the literature. Our retrospective study was performed from June 2014 to April 2015. Oocyte donors were recruited and stimulated under the antagonist protocol with gonadotrophin-releasing hormone (GnRH) agonist to trigger ovulation...
May 19, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28625749/preclinical-evaluation-of-melanocortin-1-receptor-mc1-r-specific-68-ga-and-44-sc-labeled-dota-napamide-in-melanoma-imaging
#6
Gábor Nagy, Noémi Dénes, Adrienn Kis, Judit P Szabó, Ervin Berényi, Ildikó Garai, Péter Bai, István Hajdu, Dezső Szikra, György Trencsényi
PURPOSE: Alpha melanocyte stimulating hormone (α-MSH) enhances melanogenesis in melanoma malignum by binding to melanocortin-1 receptors (MC1-R). Earlier studies demonstrated that alpha-MSH analog NAPamide molecule specifically binds to MC1-R receptor. Radiolabeled NAPamide is a promising radiotracer for the non-invasive detection of melanin producing melanoma tumors by Positron Emission Tomography (PET). In this present study the MC1-R selectivity of the newly developed Sc-44-labeled DOTA-NAPamide was investigated in vitro and in vivo using melanoma tumors...
June 16, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28625709/review-and-analysis-of-physical-exercise-at-hormonal-and-brain-level-and-its-influence-on-appetite
#7
Laura Gómez Escribano, Arancha Gálvez Casas, Antonio R Escribá Fernández-Marcote, Pedro Tárraga López, Loreto Tárraga Marcos
Due to the currently growing rate of obesity, it is important to maintain good control of food intake. The main purpose of the present study is to determine the influence of physical exercise on appetite, changes in hormone concentrations, and changes in certain neuronal regions. To achieve this, a literature search was conducted using different data bases. The results show how exercise produces changes in the appetite perception, in the amount of energy intake, and in different weight-control related hormones, as well as in specific neuronal responses...
June 15, 2017: Clínica e Investigación en Arteriosclerosis
https://www.readbyqxmd.com/read/28623177/delay-in-diagnosis-of-celiac-disease-in-patients-without-gastrointestinal-complaints
#8
Marco A Paez, Anna Maria Gramelspacher, James Sinacore, Laura Winterfield, Mukund Venu
PURPOSE: The purpose of our study is to investigate the delay in diagnosis of patients with biopsy-proven celiac disease in those who present with gastrointestinal complaints vs non-gastrointestinal complaints at our tertiary care center. Celiac disease is an autoimmune disorder which affects approximately 1% of the population worldwide. Celiac disease can have variable clinical presentations characterized by either predominately gastrointestinal symptoms or may present without any gastrointestinal symptom...
June 13, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28620903/emerging-categories-of-disease-in-advanced-prostate-cancer-and-their-therapeutic-implications
#9
REVIEW
Rahul R Aggarwal, Felix Y Feng, Eric J Small
The treatment of advanced prostate cancer has changed significantly in the last decade, as a result of the introduction of multiple new systemic therapies that have had a positive impact on treatment outcomes. The increasing number of therapies, along with new insights into the biological underpinnings of prostate cancer, have led to a growing appreciation for the heterogeneity of the disease and an awareness of emerging subcategories that have direct therapeutic implications for the practicing clinician. In the metastatic hormone-naive setting, the extent of metastatic disease visible on scans can serve as a useful measure to guide treatment decisions; the addition of docetaxel chemotherapy to hormonal therapy has significant benefit in patients whose scans show more extensive disease...
June 15, 2017: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/28616237/higher-serum-concentrations-of-vimentin-and-dakp1-are-associated-with-aggressive-breast-tumour-phenotypes-in-ghanaian-women
#10
Benjamin Arko-Boham, Justice Tanihu Lomotey, Emmanuel Nomo Tetteh, Emmanuel Ayitey Tagoe, Nii Ayite Aryee, Ewurama Ampadu Owusu, Isaac Okai, Richard Michael Blay, Joe-Nat Clegg-Lamptey
BACKGROUND: Breast cancer, the most commonly diagnosed cancer among women and leading cause of cancer-related deaths worldwide, exhibits aggressive behavior in indigenous African women evidenced by high histologic grade tumours with low hormone receptor positivity. Aggressive breast cancers grow quickly, easily metastasize and recur and often have unfavourable outcomes. The current study investigated candidate genes that may regulate tumour aggression in Ghanaian women. We hypothesize that increased expression and function of certain genes other than the widely-held view attributing breast cancer aggression in African populations to their younger population age may be responsible for the aggressive nature of tumours...
2017: Biomarker Research
https://www.readbyqxmd.com/read/28612641/psychosocial-correlates-of-cortisol-levels-in-fingernails-among-middle-aged-workers
#11
Shuhei Izawa, Ko Matsudaira, Keiichi Miki, Mayumi Arisaka, Masao Tsuchiya
It was recently suggested that cortisol levels in fingernails reflect cumulative hormone exposure over a relatively long period. This exploratory study cross-sectionally investigated the relationships between fingernail cortisol level and psychosocial stress in a sample of middle-aged workers (94 men and 29 women). The participants were asked to grow their fingernails for approximately two weeks and then provide fingernail samples from every digit by using nail clippers. Further, they completed questionnaires for assessment of exposure to psychosocial stress in the past (stressful life events in the workplace in the previous year; e...
June 14, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/28611805/transcriptomic-analysis-in-strawberry-fruits-reveals-active-auxin-biosynthesis-and-signaling-in-the-ripe-receptacle
#12
Elizabeth Estrada-Johnson, Fabiana Csukasi, Carmen M Pizarro, José G Vallarino, Yulia Kiryakova, Amalia Vioque, Javier Brumos, Nieves Medina-Escobar, Miguel A Botella, José M Alonso, Alisdair R Fernie, José F Sánchez-Sevilla, Sonia Osorio, Victoriano Valpuesta
The role of auxin in ripening strawberry (Fragaria ×ananassa) fruits has been restricted to the early stages of development where the growth of the receptacle is dependent on the delivery of auxin from the achenes. At later stages, during enlargement of the receptacle, other hormones have been demonstrated to participate to different degrees, from the general involvement of gibberellins and abscisic acid to the more specific of ethylene. Here we report the involvement of auxin at the late stages of receptacle ripening...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28606596/mini-review-recombinant-production-of-tailored-bio-pharmaceuticals-in-different-bacillus-strains-and-future-perspectives
#13
REVIEW
Antonia Lakowitz, Thibault Godard, Rebekka Biedendieck, Rainer Krull
Bio-pharmaceuticals like antibodies, hormones and growth factors represent about one-fifth of commercial pharmaceuticals. Host candidates of growing interest for recombinant production of these proteins are strains of the genus Bacillus, long being established for biotechnological production of homologous and heterologous proteins. Bacillus strains benefit from development of efficient expression systems in the last decades and emerge as major industrial workhorses for recombinant proteins due to easy cultivation, non-pathogenicity and their ability to secrete recombinant proteins directly into extracellular medium allowing cost-effective downstream processing...
June 9, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28606565/milk-basic-protein-increases-ghrelin-secretion-and-bone-mineral-density-in-rodents
#14
Yuko Ishida, Rakhi Chacrabati, Aiko Ono-Ohmachi, Zhi Gong, Chika Ikenoya, Sayaka Aizawa, Takayuki Y Nara, Yoshikazu Morita, Ken Kato, Takafumi Sakai, Ichiro Sakata
OBJECTIVES: Milk basic protein (MBP), a mixture of proteins isolated from bovine milk, is known to increase bone formation. Ghrelin, a stomach-derived peptide hormone, also has been reported to stimulate osteoblast formation. The aim of this study was to determine whether MBP-induced bone formation is mediated via ghrelin. METHODS: MBP was chronically administered to mice in their drinking water for 3 wk, and body weight, water intake, and bone mineral density were measured...
July 2017: Nutrition
https://www.readbyqxmd.com/read/28604507/visits-to-registered-nurses-an-opportunity-to-increase-contraceptive-access-in-california
#15
Emese C Parker, Kevin Kong, Leslie A Watts, Eleanor B Schwarz, Philip D Darney, Heike Thiel de Bocanegra
BACKGROUND: In 2013, California passed Assembly Bill (A.B.) 2348, approving registered nurses (RNs) to dispense patient self-administered hormonal contraceptives and administer injections of hormonal contraceptives. The Family Planning, Access, Care and Treatment (Family PACT) program, which came into effect in 1997 to expand low-income, uninsured California resident access to contraceptives at no cost, is one program in which qualified RNs can dispense and administer contraceptives. AIMS: The aims of this study were to (a) describe utilization of RN visits within California's Family PACT program and (b) evaluate the impact of RN visits on client birth control acquisition during the first 18 months after implementation of A...
June 10, 2017: Nursing Research
https://www.readbyqxmd.com/read/28603901/blunted-insula-activation-reflects-increased-risk-and-reward-seeking-as-an-interaction-of-testosterone-administration-and-the-maoa-polymorphism
#16
Lisa Wagels, Mikhail Votinov, Sina Radke, Benjamin Clemens, Christian Montag, Sonja Jung, Ute Habel
Testosterone, a male sex hormone, has been suggested to partly explain mixed findings in males and females when investigating behavioral tendencies associated with the MAOA polymorphism. Prior studies indicated that the MAOA polymorphism represents a vulnerability factor for financial risk-taking and harm avoidance and that testosterone increases human risk-taking. We therefore assumed an interactive influence of the MAOA polymorphism and testosterone application on decision making and corresponding neural correlates in a risk and reward context...
June 12, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28603088/spontaneous-intergluteal-cleft-endometriosis
#17
E Furet, S Bendifallah, M Ballester, E Darai
Endometriosis is a condition where hormonal-responsive endometrial tissue grows outside the uterus usually within the pelvic cavity. Extra-abdominal endometriosis is less common and may involves the skin. Subcutaneous endometriosis is rare. We report the first case of spontaneous intergluteal cleft endometriosis revealed by pain and bleeding during menstruation.
June 8, 2017: Journal of gynecology obstetrics and human reproduction
https://www.readbyqxmd.com/read/28602118/effects-of-endocrine-disrupting-chemicals-and-epigenetic-modifications-in-ovarian-cancer-a-review
#18
Ratika Samtani, Noopur Sharma, Deepali Garg
Ovarian cancer (OC) is a relatively fatal female reproductive malignancy. Since the underlying causes are uncertain, it brings us to believe that both genetic and external factors contribute toward development of this lethal disorder. Exposure to endocrine-disrupting chemicals (EDCs) in the form of occupational usage of pesticides, fungicides, herbicides, plasticizers, cosmetics, and so on is potentially carcinogenic and their ability to cause epigenetic modifications has led us to hypothesize that they may play a catalytic role in OC progression...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28600052/does-exist-a-correlation-between-endometriosis-and-thrombophilic-disorders-a-pilot-study
#19
Roberto Paradisi, Giulia Ferrini, Carlotta Matteucci, Chiara Facchini, Letizia Zannoni, Renato Seracchioli
OBJECTIVE: At present, there is growing evidence of the existence of a genetic predisposition in both thrombophilic disorders and endometriosis. The aim of our study was to evaluate for the first time the prevalence of some thrombophilic disorders in patients with endometriosis. MATERIALS AND METHODS: We conducted a retrospective study on 138 patients with endometriosis and 278 healthy control women. All women were subjected to a blood examination testing for thrombophilic screening and the variables examinated were: hyperhomocysteinemia, factor V Leiden and factor II prothrombin G20210A mutations in heterozygosis and homozigosis...
June 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28597423/illumina-based-transcriptomic-profiling-of-panax-notoginseng-in-response-to-arsenic-stress
#20
Yanfang Liu, Yanhua Mi, Jianhua Zhang, Qiwan Li, Lu Chen
BACKGROUND: Panax notoginseng, a famous herbal medicine, has recently attracted great attention on its safety and quality since P. notoginseng can accumulate and tolerate As from growing environment. For the purpose of understanding As damage to the quality of P. notoginseng as well as corresponding tolerance mechanisms, genes involved in As stress response were identified using Illumina sequencing. RESULTS: Totally 91,979,946 clean reads were generated and were de novo assembled into 172,355 unigenes...
December 2016: Botanical Studies (Taipei, Taiwan)
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