Base de dados : MEDLINE
Pesquisa : D04.210.500.365.415.248 [Categoria DeCS]
Referências encontradas : 76571 [refinar]
Mostrando: 1 .. 10   no formato [Detalhado]

página 1 de 7658 ir para página                         

  1 / 76571 MEDLINE  
              next record last record
seleciona
para imprimir
Fotocópia
Texto completo
[PMID]:29364948
[Au] Autor:Sawai A; Tochigi Y; Kavaliova N; Zaboronok A; Warashina Y; Mathis BJ; Mesaki N; Shiraki H; Watanabe K
[Ad] Endereço:Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan.
[Ti] Título:MRI reveals menstrually-related muscle edema that negatively affects athletic agility in young women.
[So] Source:PLoS One;13(1):e0191022, 2018.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:CONTEXT: About 10% of Japanese female athletes are afflicted by menstrually-related edema, mainly in the lower limbs, and, with few studies on this problem, the effect on performance remains unclear. OBJECTIVE: To quantitatively evaluate fluid retention in the calf in female students over their menstrual cycle using magnetic resonance imaging (MRI) and to determine the relationship of MRI changes and athletic performance. DESIGN: The menstrual cycle was divided into 5 phases: menstrual, follicular, ovulatory, early luteal, and late luteal with sampling done in either morning (AM) or afternoon (PM) sessions. At each phase, MRI of the calf (7:00-8:00, 14:00-16:00), body composition and hormones (7:00-8:00), and athletic performance (14:00-16:00) were evaluated. PARTICIPANTS: 13 adult healthy Japanese female students with eumenorrhea. RESULTS: Estradiol levels decreased significantly in the menstrual phase and the follicular phase compared to the early luteal phase (P = 0.001, P = 0.024 respectively). Menstrual phase estradiol levels were significantly lower compared to the ovulatory phase (P = 0.015), and the late luteal phase (P = 0.003). Progesterone levels decreased significantly in the menstrual phase and the follicular phase compared to the ovulatory phase (P = 0.012, P = 0.009 respectively), the early luteal phase (both P = 0.007), and the late luteal phase (P = 0.028, P = 0.029 respectively), and it along with a significant decrease in the ovulatory phase compared to the early luteal phase (P = 0.010). AM T2 signals were significantly lower in the menstrual phase compared to the ovulatory phase (P = 0.043) but not other phases. PM T2 signals increased significantly in the menstrual phase compared to the follicular phase (P = 0.003), ovulatory phase (P = 0.009), and the late luteal phase (P = 0.032), and the difference between the AM and PM values increased significantly in the menstrual phase compared to the other 4 phases (P<0.01). A negative correlation between fluid retention and agility was observed. CONCLUSION: In female students fluid retention during the menstrual phase could be a factor that influences athletic agility.
[Mh] Termos MeSH primário: Atletas
Edema/fisiopatologia
Imagem por Ressonância Magnética/métodos
Menstruação
[Mh] Termos MeSH secundário: Adulto
Composição Corporal
Estradiol/sangue
Feminino
Seres Humanos
Japão
Músculo Esquelético/diagnóstico por imagem
Músculo Esquelético/fisiopatologia
Progesterona/sangue
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
4G7DS2Q64Y (Progesterone); 4TI98Z838E (Estradiol)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180309
[Lr] Data última revisão:
180309
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180125
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0191022


  2 / 76571 MEDLINE  
              first record previous record next record last record
seleciona
para imprimir
Fotocópia
Texto completo
[PMID]:29175396
[Au] Autor:Wang F; Liu F; Chen W; Xu R; Wang W
[Ad] Endereço:School of Biological Science, Luoyang Normal University, Luoyang, 471022, China; Cold Water Fish Breeding Engineering Technology Research Center of Henan Province, Luoyang, 471022, China. Electronic address: wangfan7677@163.com.
[Ti] Título:Effects of triclosan (TCS) on hormonal balance and genes of hypothalamus-pituitary- gonad axis of juvenile male Yellow River carp (Cyprinus carpio).
[So] Source:Chemosphere;193:695-701, 2018 Feb.
[Is] ISSN:1879-1298
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Triclosan (TCS) is a broad spectrum antimicrobial agent which has been widely dispersed and determinated in the aquatic environment. However, the effects of TCS on reproductive endocrine in male fish are poorly understood. In this study, male Yellow River carp (Cyprinus carpio) were exposed to 0, 1/5, 1/10 and 1/20 LC (96 h LC of TCS to carp) TCS under semi-static conditions for 42 d. Vitellogenin (Vtg), 17ß-estradiol (E ), testosterone(T), gonadotropin (GtH), and gonadotropin-releasing hormone (GnRH) levels were measured by enzyme-linked immunosorbent assay (ELISA). Meanwhile, we also examined the mRNA expressions of aromatase, GtHs-ß, GnRH, estrogen receptor (Er), and androgen receptor (Ar) by quantitative Real-time Polymerase Chain Reaction (qRT-PCR). TCS induced Vtg levels of hepatopancreas, E levels of serum, and inhibited Ar and Er mRNA levels, suggesting that the induction of Vtg production by TCS was indirectly caused by non-Er pathways. TCS-induced Vtg levels by interfering with the reproductive axis at plenty of latent loci of male carps: (a) TCS exposure increased the aromatase mRNA expression of hypothalamus and gonad aromatase, consequently increasing serum concentrations of E to induce Vtg in hepatopancreas; (b) TCS treatment changed GtH-ß and GnRH mRNA expression and secretion, causing the disturbance of reproductive endocrine; (c) TCS exposure decreased Ar mRNA levels, indicating potential Ar-mediated antiandrogen action. These mechanisms showed that TCS may induce Vtg production in male carp by non-Er-mediated pathways.
[Mh] Termos MeSH primário: Carpas/metabolismo
Triclosan/toxicidade
Poluentes Químicos da Água/toxicidade
[Mh] Termos MeSH secundário: Animais
Anti-Infecciosos/toxicidade
Aromatase/genética
Sistema Endócrino/efeitos dos fármacos
Ensaio de Imunoadsorção Enzimática
Estradiol/análise
Hormônio Liberador de Gonadotropina/análise
Hormônio Liberador de Gonadotropina/genética
Gônadas/enzimologia
Gônadas/metabolismo
Hepatopâncreas/metabolismo
Hormônios/metabolismo
Hipotálamo/metabolismo
Masculino
Hipófise/metabolismo
RNA Mensageiro/análise
Reação em Cadeia da Polimerase em Tempo Real
Receptores Estrogênicos/genética
Reprodução/efeitos dos fármacos
Testosterona/análise
Vitelogeninas/análise
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Anti-Infective Agents); 0 (Hormones); 0 (RNA, Messenger); 0 (Receptors, Estrogen); 0 (Vitellogenins); 0 (Water Pollutants, Chemical); 33515-09-2 (Gonadotropin-Releasing Hormone); 3XMK78S47O (Testosterone); 4NM5039Y5X (Triclosan); 4TI98Z838E (Estradiol); EC 1.14.14.1 (Aromatase); EC 1.14.14.1 (CYP19A1 protein, human)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180309
[Lr] Data última revisão:
180309
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171128
[St] Status:MEDLINE


  3 / 76571 MEDLINE  
              first record previous record next record last record
seleciona
para imprimir
Fotocópia
Texto completo
[PMID]:28985654
[Au] Autor:Tolussi CE; Gomes ADO; Kumar A; Ribeiro CS; Nostro FLL; Bain PA; de Souza GB; Cuña RD; Honji RM; Moreira RG
[Ad] Endereço:Laboratório de Metabolismo e Reprodução de Organismos Aquáticos, Departamento de Fisiologia, Instituto de Biociências, Universidade de São Paulo. Rua do Matão, Trav.14, n° 321, 05508-090 São Paulo, SP, Brazil. Electronic address: ctolussi@usp.br.
[Ti] Título:Environmental pollution affects molecular and biochemical responses during gonadal maturation of Astyanax fasciatus (Teleostei: Characiformes: Characidae).
[So] Source:Ecotoxicol Environ Saf;147:926-934, 2018 Jan.
[Is] ISSN:1090-2414
[Cp] País de publicação:Netherlands
[La] Idioma:eng
[Ab] Resumo:Endocrine disrupting compounds (EDCs) have the potential to alter fish reproduction at various levels of organization. The aim of this study was to assess the impact of a natural environment with heavily anthropogenic influence on the physiological processes involved in reproduction in the freshwater fish lambari (Astyanax fasciatus) using different biomarkers. Adult males and females were collected in different seasons from two distinct sites in the same watershed: Ponte Nova Reservoir (PN) considered a pristine or small anthropogenic influence reference point; and Billings Reservoir (Bil), subjected to a large anthropogenic impact. Biological indices, such as hepatosomatic index and gonadosomatic index (GSI), gonadal histomorphology, fecundity, and biomarkers such as plasma levels of estradiol (E2) as well as hepatic gene expression of its alfa nuclear receptor (ERα), were analyzed. Hepatic vitellogenin (VTG) gene expression was evaluated in both sexes, as an indicator of xenoestrogen exposure. Females collected at PN presented a typical annual variation reflected in GSI, whereas for those sampled at Bil the index did not change through the seasons. The higher concentration of E2 in males collected at Bil during spring/2013, together with the detection of VTG gene expression, suggest the presence of EDCs in the water. These EDCs may have also influenced fecundity of females from Bil, which was higher during winter and spring/2013. Gene expression of ERα and ovarian morphology did not differ between fish from both sites. Water conditions from Bil reservoir impacted by anthropic activity clearly interfered mainly with biomarkers of biological effect such as plasma E2 levels and absolute and relative fecundity, but also altered biomarkers of exposure as VTG gene expression. These facts support the notion that waterborne EDCs are capable of causing estrogenic activity in A. fasciatus.
[Mh] Termos MeSH primário: Characidae/metabolismo
Disruptores Endócrinos/toxicidade
Monitoramento Ambiental/métodos
Gônadas/efeitos dos fármacos
Organogênese/efeitos dos fármacos
Poluentes Químicos da Água/toxicidade
[Mh] Termos MeSH secundário: Animais
Biomarcadores/metabolismo
Brasil
Characidae/crescimento & desenvolvimento
Disruptores Endócrinos/análise
Estradiol/metabolismo
Feminino
Fertilidade/efeitos dos fármacos
Água Doce/química
Expressão Gênica/efeitos dos fármacos
Gônadas/crescimento & desenvolvimento
Gônadas/patologia
Masculino
Reprodução/efeitos dos fármacos
Estações do Ano
Vitelogeninas/metabolismo
Poluentes Químicos da Água/análise
[Pt] Tipo de publicação:JOURNAL ARTICLE; REVIEW
[Nm] Nome de substância:
0 (Biomarkers); 0 (Endocrine Disruptors); 0 (Vitellogenins); 0 (Water Pollutants, Chemical); 4TI98Z838E (Estradiol)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180308
[Lr] Data última revisão:
180308
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171008
[St] Status:MEDLINE


  4 / 76571 MEDLINE  
              first record previous record next record last record
seleciona
para imprimir
Fotocópia
[PMID]:29237526
[Au] Autor:Sun LF; Li YY; Huang BX; Fu XY; Yang FH; Ma DL; Zhang Q
[Ad] Endereço:Department of Clinical Laboratory, Children's Hospital of Shenzhen, Shenzhen, Guangdong 518038, China. 771369652@qq.com.
[Ti] Título:[Establishment of reference ranges of sex hormones for healthy children in Shenzhen, China based on chemiluminescence].
[So] Source:Zhongguo Dang Dai Er Ke Za Zhi;19(12):1257-1262, 2017 Dec.
[Is] ISSN:1008-8830
[Cp] País de publicação:China
[La] Idioma:chi
[Ab] Resumo:OBJECTIVE: To study the reference ranges of six sex hormones, i.e., luteinizing hormone, follicle-stimulating hormone, progesterone, prolactin, estradiol, and testosterone, for healthy children aged 0-18 years in Shenzhen, China. METHODS: Stratified cluster sampling was performed to select 2 178 healthy children aged 0-18 years in the districts of Futian, Luohu, Nanshan, Bao'an, and Longgang in Shenzhen between September 2015 and September 2016. There were 1 219 boys and 959 girls, including 81 neonates, 335 infants, 346 young children, 469 preschool children, 419 school-aged children, and 528 adolescents. The American Beckman DXI800 chemiluminescence meter was used to measure the levels of luteinizing hormone, follicle-stimulating hormone, progesterone, prolactin, estradiol, and testosterone. RESULTS: There were significant differences in the levels of luteinizing hormone, follicle-stimulating hormone, progesterone, prolactin, estradiol, and testosterone between different age groups (P<0.05). There were also significant differences in the levels of these sex hormones between boys and girls in the same age group (P<0.05). The reference ranges of six sex hormones were established for healthy children aged 0-18 years in Shenzhen based on the levels of these hormones in different age groups. CONCLUSIONS: There are significant differences in sex hormones between different age groups or sex groups. The reference ranges of six sex hormones established for different sexes or ages have great significance in the diagnosis and treatment of endocrine diseases in children.
[Mh] Termos MeSH primário: Hormônios Esteroides Gonadais/sangue
[Mh] Termos MeSH secundário: Adolescente
Fatores Etários
Criança
Pré-Escolar
Estradiol/sangue
Feminino
Hormônio Foliculoestimulante/sangue
Seres Humanos
Lactente
Recém-Nascido
Medições Luminescentes
Hormônio Luteinizante/sangue
Masculino
Progesterona/sangue
Valores de Referência
Testosterona/sangue
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Gonadal Steroid Hormones); 3XMK78S47O (Testosterone); 4G7DS2Q64Y (Progesterone); 4TI98Z838E (Estradiol); 9002-67-9 (Luteinizing Hormone); 9002-68-0 (Follicle Stimulating Hormone)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180306
[Lr] Data última revisão:
180306
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171215
[St] Status:MEDLINE


  5 / 76571 MEDLINE  
              first record previous record next record last record
seleciona
para imprimir
Fotocópia
Texto completo
[PMID]:28469292
[Au] Autor:Macek Jilkova Z; Decaens T; Marlu A; Marche H; Jouvin-Marche E; Marche PN
[Ad] Endereço:Université Grenoble-Alpes, IAB, 38000 Grenoble, France.
[Ti] Título:Sex Differences in Spontaneous Degranulation Activity of Intrahepatic Natural Killer Cells during Chronic Hepatitis B: Association with Estradiol Levels.
[So] Source:Mediators Inflamm;2017:3214917, 2017.
[Is] ISSN:1466-1861
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Major sex differences are observed in the prevalence, intensity, and severity of hepatitis B virus (HBV) infection. Here, we investigated degranulation activity of circulating and intrahepatic natural killer (NK) cells from HBV and HCV chronically infected patients before any treatment ( = 125). The frequency of CD107 NK cells in the female liver was significantly higher compared to that in males during chronic HBV infection ( = 0.002) and correlated with the plasma levels of estradiol (correlation coefficient = 0.634; < 0.0001). Our results clearly show sex differences in degranulation activity of intrahepatic NK cells of HBV-infected patients. This probably contributes to the ability of females to better deal with HBV disease.
[Mh] Termos MeSH primário: Estradiol/metabolismo
Hepatite B Crônica/metabolismo
Células Matadoras Naturais/metabolismo
Fígado/metabolismo
[Mh] Termos MeSH secundário: Linhagem Celular
Feminino
Citometria de Fluxo
Hepatite B Crônica/imunologia
Seres Humanos
Células Matadoras Naturais/citologia
Células Matadoras Naturais/imunologia
Fígado/citologia
Fígado/imunologia
Masculino
Fatores Sexuais
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
4TI98Z838E (Estradiol)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180306
[Lr] Data última revisão:
180306
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170505
[St] Status:MEDLINE
[do] DOI:10.1155/2017/3214917


  6 / 76571 MEDLINE  
              first record previous record next record last record
seleciona
para imprimir
Fotocópia
[PMID]:29424969
[Au] Autor:Martínez-Ramírez EA; Villarreal-Ríos E; Vargas-Daza ER; Galicia-Rodríguez L; Martínez-González L
[Ti] Título:[Cost of family planning care in 10-19 years old teenagers].
[Ti] Título:Costo de atención por servicios de planificación familiar a adolescentes de 10-19 años..
[So] Source:Ginecol Obstet Mex;84(9):551-6, 2016 Sep.
[Is] ISSN:0300-9041
[Cp] País de publicação:Mexico
[La] Idioma:spa
[Ab] Resumo:Objetives: To identify the costs of family planning care in adolescents. Material and methods: Longitudinal study of the cost of care for family planning carried out in 2015 in a group of individuals with age limits of 10 and 19 years in a unit first level of health care in the state of Queretaro, Mexico. The profile of use of family planning (FP) was created for the teen was performed services through counseling, provision of contraception and review of intrauterine device (IUD) in a year; cost projections for the population of adolescents and different coverage scenarios between 5 and 100% were made. Results: The average annual cost was 228.84 Mexican pesos. Ideally the identified cost was 2,708.94 pesos. The projection with 20 % coverage was 207,251,330 pesos. The average annual family planning consultations was 0.9. The most commonly used method was with medroxyprogesterone-estradiol at doses of 25 and 5 mg. Conclusion: The cost of planning in adolescents is low, taking into account the costs that the care of high-risk pregnancies and associated comorbidities.
[Mh] Termos MeSH primário: Anticoncepção/economia
Anticoncepcionais Femininos/economia
Serviços de Planejamento Familiar/economia
Dispositivos Intrauterinos/economia
[Mh] Termos MeSH secundário: Adolescente
Criança
Anticoncepção/métodos
Anticoncepcionais Femininos/administração & dosagem
Combinação de Medicamentos
Estradiol/administração & dosagem
Estradiol/economia
Feminino
Seres Humanos
Estudos Longitudinais
Masculino
Acetato de Medroxiprogesterona/administração & dosagem
Acetato de Medroxiprogesterona/economia
México
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Contraceptive Agents, Female); 0 (Drug Combinations); 4TI98Z838E (Estradiol); C2QI4IOI2G (Medroxyprogesterone Acetate)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180301
[Lr] Data última revisão:
180301
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180210
[St] Status:MEDLINE


  7 / 76571 MEDLINE  
              first record previous record next record last record
seleciona
para imprimir
Fotocópia
Texto completo
[PMID]:29421437
[Au] Autor:Fu H; Sun J; Tan Y; Zhou H; Xu W; Zhou J; Chen D; Zhang C; Zhu X; Zhang Y; Wu X; Xi Z
[Ad] Endereço:Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, China. Electronic address: fhy112@sina.com.
[Ti] Título:Effects of acupuncture on the levels of serum estradiol and pituitary estrogen receptor beta in a rat model of induced super ovulation.
[So] Source:Life Sci;197:109-113, 2018 Mar 15.
[Is] ISSN:1879-0631
[Cp] País de publicação:Netherlands
[La] Idioma:eng
[Ab] Resumo:AIMS: Acupuncture is frequently recommended as a complementary therapy for infertility. However, whether acupuncture can prevent early ovarian hyperstimulation syndrome has not been examined and its potential mechanisms are not well understood. MAIN METHODS: Forty rats were randomized into four groups: Control, Ovarian Stimulation Model, Acupuncture, and Human Chorionic Gonadotropin (HCG). Serum estradiol, progesterone, testosterone, luteinizing hormone (LH), and follicle-stimulating hormone (FSH) levels were measured by enzyme-linked immunosorbent assay. Pituitary ER mRNA and ERß expression were detected by real-time PCR and western blotting respectively. The pathology of rat ovaries were observed by light microscopy. KEY FINDINGS: We observed significantly lower estradiol levels in the Acupuncture group than in the Model group and increased LH levels in the HCG group than in Model and Acupuncture groups. Testosterone and FSH levels were significantly lower in the Acupuncture group than in the HCG group. Western blotting showed significantly lower pituitary ERß expression in the Model group than in the Control group and higher expression in the Acupuncture group than in the Model group. Real-time PCR showed lower pituitary ER mRNA expression in the Acupuncture group than in the Model group. Hematoxylin and eosin staining showed a lower proportion of atretic follicles in Acupuncture and HCG groups than in Model and Control groups. Instead, Acupuncture and HCG groups showed growing and mature follicles. SIGNIFICANCE: Our results demonstrate a relationship between acupuncture and the hypothalamic-pituitary-gonadal axis, and the potential mechanism underlying the preventative effects of acupuncture on the incidence of early ovarian hyperstimulation syndrome.
[Mh] Termos MeSH primário: Terapia por Acupuntura
Estradiol/sangue
Receptor beta de Estrogênio/biossíntese
Síndrome de Hiperestimulação Ovariana
Hipófise/metabolismo
[Mh] Termos MeSH secundário: Animais
Modelos Animais de Doenças
Feminino
Hormônio Foliculoestimulante/sangue
Hormônio Luteinizante/sangue
Síndrome de Hiperestimulação Ovariana/sangue
Síndrome de Hiperestimulação Ovariana/terapia
Ovário/metabolismo
Progesterona/sangue
Ratos
Ratos Wistar
Testosterona/sangue
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Estrogen Receptor beta); 3XMK78S47O (Testosterone); 4G7DS2Q64Y (Progesterone); 4TI98Z838E (Estradiol); 9002-67-9 (Luteinizing Hormone); 9002-68-0 (Follicle Stimulating Hormone)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180301
[Lr] Data última revisão:
180301
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180209
[St] Status:MEDLINE


  8 / 76571 MEDLINE  
              first record previous record next record last record
seleciona
para imprimir
Fotocópia
Texto completo
[PMID]:27779568
[Au] Autor:Santoro N; Allshouse A; Neal-Perry G; Pal L; Lobo RA; Naftolin F; Black DM; Brinton EA; Budoff MJ; Cedars MI; Dowling NM; Dunn M; Gleason CE; Hodis HN; Isaac B; Magnani M; Manson JE; Miller VM; Taylor HS; Wharton W; Wolff E; Zepeda V; Harman SM
[Ad] Endereço:1Department of Obstetrics & Gynecology 2Department of Biostatistics, University of Colorado School of Medicine, Aurora, CO 3Department of Obstetrics, Gynecology & Women's Health and Neurosciences, Albert Einstein College of Medicine, Bronx, NY 4Department of Obstetrics & Gynecology, Yale University School of Medicine, New Haven, CT 5Department of Obstetrics & Gynecology, Columbia University College of Physicians and Surgeons, New York, NY 6Department of Obstetrics & Gynecology, New York University School of Medicine, New York, NY 7Department of Epidemiology & Biostatistics, University of California at San Francisco, San Francisco, CA 8Utah Foundation for Biomedical Research, Salt Lake City, UT 9Department of Cardiology, Los Angeles Biomedical Research Institute at Harbor UCLA, Torrance, CA 10Department of Obstetrics & Gynecology, University of California at San Francisco, San Francisco, CA 11Departments of Biostatistics and Medical Informatics, University of Wisconsin, Madison, WI 12Kronos Longevity Research Institute, Phoenix, AZ 13Department of Medicine and Public Health, University of Wisconsin, Madison, WI 14Atherosclerosis Research Unit, University of Southern California, Los Angeles, CA 15Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 16Departments of Surgery and Physiology & Biomedical Engineering, Mayo Clinic, Rochester, MN 17Department of Neurology, Emory University, Atlanta, GA 18Department of Reproductive Biology and Medicine, National Institutes of Health, Bethesda, MD 19Department of Medicine, Endocrine Division, Phoenix VA Health Care System, Phoenix, AZ.
[Ti] Título:Longitudinal changes in menopausal symptoms comparing women randomized to low-dose oral conjugated estrogens or transdermal estradiol plus micronized progesterone versus placebo: the Kronos Early Estrogen Prevention Study.
[So] Source:Menopause;24(3):238-246, 2017 Mar.
[Is] ISSN:1530-0374
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:OBJECTIVE: The objective of the present study was to compare the efficacy of two forms of menopausal hormone therapy in alleviating vasomotor symptoms, insomnia, and irritability in early postmenopausal women during 4 years. METHODS: A total of 727 women, aged 42 to 58, within 3 years of their final menstrual period, were randomized to receive oral conjugated estrogens (o-CEE) 0.45 mg (n = 230) or transdermal estradiol (t-E2) 50 µg (n = 225; both with micronized progesterone 200 mg for 12 d each mo), or placebos (PBOs; n = 275). Menopausal symptoms were recorded at screening and at 6, 12, 24, 36, and 48 months postrandomization. Differences in proportions of women with symptoms at baseline and at each follow-up time point were compared by treatment arm using exact χ tests in an intent-to-treat analysis. Differences in treatment effect by race/ethnicity and body mass index were tested using generalized linear mixed effects modeling. RESULTS: Moderate to severe hot flashes (from 44% at baseline to 28.3% for PBO, 7.4% for t-E2, and 4.2% for o-CEE) and night sweats (from 35% at baseline to 19% for PBO, 5.3% for t-E2, and 4.7% for o-CEE) were reduced significantly by 6 months in women randomized to either active hormone compared with PBO (P < 0.001 for both symptoms), with no significant differences between the active treatment arms. Insomnia and irritability decreased from baseline to 6 months postrandomization in all groups. There was an intermittent reduction in insomnia in both active treatment arms versus PBO, with o-CEE being more effective than PBO at 36 and 48 months (P = 0.002 and 0.05) and t-E2 being more effective than PBO at 48 months (P = 0.004). Neither hormone treatment significantly affected irritability compared with PBO. Symptom relief for active treatment versus PBO was not significantly modified by body mass index or race/ethnicity. CONCLUSIONS: Recently postmenopausal women had similar and substantial reductions in hot flashes and night sweats with lower-than-conventional doses of oral or transdermal estrogen. These reductions were sustained during 4 years. Insomnia was intermittently reduced compared with PBO for both hormone regimens.
[Mh] Termos MeSH primário: Estrogênios/administração & dosagem
Fogachos/tratamento farmacológico
Humor Irritável/efeitos dos fármacos
Progestinas/administração & dosagem
Distúrbios do Início e da Manutenção do Sono/tratamento farmacológico
[Mh] Termos MeSH secundário: Administração Cutânea
Administração Oral
Adulto
Doenças do Sistema Nervoso Autônomo/tratamento farmacológico
Doenças do Sistema Nervoso Autônomo/etiologia
Quimioterapia Combinada
Estradiol/administração & dosagem
Terapia de Reposição de Estrogênios/métodos
Estrogênios Conjugados (USP)/administração & dosagem
Feminino
Fogachos/etiologia
Seres Humanos
Estudos Longitudinais
Meia-Idade
Pós-Menopausa/efeitos dos fármacos
Progesterona/administração & dosagem
Distúrbios do Início e da Manutenção do Sono/etiologia
Resultado do Tratamento
Sistema Vasomotor/efeitos dos fármacos
[Pt] Tipo de publicação:JOURNAL ARTICLE; RANDOMIZED CONTROLLED TRIAL
[Nm] Nome de substância:
0 (Estrogens); 0 (Estrogens, Conjugated (USP)); 0 (Progestins); 4G7DS2Q64Y (Progesterone); 4TI98Z838E (Estradiol)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180302
[Lr] Data última revisão:
180302
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:161026
[St] Status:MEDLINE
[do] DOI:10.1097/GME.0000000000000756


  9 / 76571 MEDLINE  
              first record previous record next record last record
seleciona
para imprimir
Fotocópia
Texto completo
[PMID]:28453430
[Au] Autor:Segala G; Picard D
[Ad] Endereço:a Département de Biologie Cellulaire , Université de Genève , Genève , Switzerland.
[Ti] Título:H2B monoubiquitination: t'ub or not t'ub for inducible enhancers.
[So] Source:Transcription;8(2):126-132, 2017 03 15.
[Is] ISSN:2154-1272
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Recently, we reported the unexpected finding that the monoubiquitination of histone H2B (H2Bub1) regulates inducible enhancers. Here, we propose a conceptual framework to reconcile the apparently discrepant roles of H2Bub1 in transcription initiation and elongation, and we discuss how H2Bub1 could regulate cellular processes linked to non-coding transcription.
[Mh] Termos MeSH primário: Histonas/metabolismo
Sequências Reguladoras de Ácido Nucleico
[Mh] Termos MeSH secundário: Animais
Metilação de DNA
Estradiol/farmacologia
Receptor alfa de Estrogênio/metabolismo
Histonas/genética
Seres Humanos
Células MCF-7
NF-kappa B/metabolismo
RNA/biossíntese
RNA Polimerase II/metabolismo
Sequências Reguladoras de Ácido Nucleico/efeitos dos fármacos
Elongação da Transcrição Genética
Iniciação da Transcrição Genética
Ubiquitinação/efeitos dos fármacos
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Estrogen Receptor alpha); 0 (Histones); 0 (NF-kappa B); 4TI98Z838E (Estradiol); 63231-63-0 (RNA); EC 2.7.7.- (RNA Polymerase II)
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180228
[Lr] Data última revisão:
180228
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170429
[St] Status:MEDLINE
[do] DOI:10.1080/21541264.2017.1285852


  10 / 76571 MEDLINE  
              first record previous record
seleciona
para imprimir
Fotocópia
Texto completo
[PMID]:29385171
[Au] Autor:Aguayo A; Martin CS; Huddy TF; Ogawa-Okada M; Adkins JL; Steele AD
[Ad] Endereço:Department of Biological Sciences, California State Polytechnic University Pomona, Pomona, CA, United States of America.
[Ti] Título:Sex differences in circadian food anticipatory activity are not altered by individual manipulations of sex hormones or sex chromosome copy number in mice.
[So] Source:PLoS One;13(1):e0191373, 2018.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Recent studies in mice have demonstrated a sexual dimorphism in circadian entrainment to scheduled feeding. On a time restricted diet, males tend to develop food anticipatory activity (FAA) sooner than females and with a higher amplitude of activity. The underlying cause of this sex difference remains unknown. One study suggests that sex hormones, both androgens and estrogens, modulate food anticipatory activity in mice. Here we present results suggesting that the sex difference in FAA is unrelated to gonadal sex hormones. While a sex difference between males and females in FAA on a timed, calorie restricted diet was observed there were no differences between intact and gonadectomized mice in the onset or magnitude of FAA. To test other sources of the sex difference in circadian entrainment to scheduled feeding, we used sex chromosome copy number mutants, but there was no difference in FAA when comparing XX, XY-, XY-;Sry Tg, and XX;Sry Tg mice, demonstrating that gene dosage of sex chromosomes does not mediate the sex difference in FAA. Next, we masculinized female mice by treating them with 17-beta estradiol during the neonatal period; yet again, we saw no difference in FAA between control and masculinized females. Finally, we observed that there was no longer a sex difference in FAA for older mice, suggesting that the sex difference in FAA is age-dependent. Thus, our study demonstrates that singular manipulations of gonadal hormones, sex chromosomes, or developmental patterning are not able to explain the difference in FAA between young male and female mice.
[Mh] Termos MeSH primário: Antecipação Psicológica/fisiologia
Ritmo Circadiano/efeitos dos fármacos
Ritmo Circadiano/genética
Alimentos
Hormônios Esteroides Gonadais/farmacologia
Caracteres Sexuais
Cromossomos Sexuais/genética
[Mh] Termos MeSH secundário: Animais
Antecipação Psicológica/efeitos dos fármacos
Estradiol/farmacologia
Feminino
Dosagem de Genes
Masculino
Camundongos
Camundongos Endogâmicos C57BL
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Gonadal Steroid Hormones); 4TI98Z838E (Estradiol)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180226
[Lr] Data última revisão:
180226
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180201
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0191373



página 1 de 7658 ir para página                         
   


Refinar a pesquisa
  Base de dados : MEDLINE Formulário avançado   

    Pesquisar no campo  
1  
2
3
 
           



Search engine: iAH v2.6 powered by WWWISIS

BIREME/OPAS/OMS - Centro Latino-Americano e do Caribe de Informação em Ciências da Saúde