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https://www.readbyqxmd.com/read/29142394/antioxidant-phytochemicals-of-opuntia-ficus-indica-l-mill-cladodes-with-potential-anti-spasmodic-activity
#1
Francesco Lanuzza, Francesco Occhiuto, Maria Teresa Monforte, Maria Marcella Tripodo, Valeria D'Angelo, Enza Maria Galati
Background: Opuntia ficus-indica (OFI) (L.) Mill. (Cactaceae), a plant widespread in dry regions of the world, shows interesting biological activities (cicatrizant, antiulcer, anti-inflammatory, and hypolipidemic) and is widely used in traditional medicine. Objectives: Phytochemical analysis and antispasmodic effect of wild OFI cladodes were carried out. Material and Methods: Polyphenols and Vitamin E occurrence, in antioxidant pool of OFI cladodes, were quantified by high-performance liquid chromatography...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29081451/evaluation-of-criteria-for-optimal-time-ai-postulated-by-estrous-signs-in-lactating-dairy-cows-kept-in-tie-stalls
#2
Toshiaki Sumiyoshi, Natumi Endo, Tomomi Tanaka, Hideo Kamomae
Relaxation of the intravaginal part of the uterus is obvious around 6 to 18 h before ovulation, and this is considered the optimal time for artificial insemination (AI), as demonstrated in recent studies. Estrous signs have been suggested as useful criteria for determining the optimal time for AI. Therefore, this study evaluated the usefulness of estrous signs, particularly the relaxation of the intravaginal part of the uterus, as criteria for determining the optimal time for AI. A Total of 100 lactating Holstein-Friesian cows kept in tie-stall barns were investigated...
October 27, 2017: Journal of Reproduction and Development
https://www.readbyqxmd.com/read/29031540/maternal-uterine-artery-vegf-gene-therapy-for-treatment-of-intrauterine-growth-restriction
#3
Anna L David
Intrauterine growth restriction (IUGR) is a serious pregnancy complication affecting approximately 8% of all pregnancies. The aetiology is believed to be insufficient maternal uteroplacental perfusion which prevents adequate nutrient and oxygen availability for the fetus. There is no treatment that can improve uteroplacental perfusion and thereby increase fetal growth in the uterus. Maternal uterine artery gene therapy presents a promising treatment strategy for IUGR, with the use of adenoviral vectors encoding for proteins such as Vascular Endothelial Growth Factor (VEGF) demonstrating improvements in fetal growth and neonatal outcome in preclinical studies...
November 2017: Placenta
https://www.readbyqxmd.com/read/28936889/t2-relaxometry-mapping-in-demonstrating-layered-uterine-architecture-parameter-optimization-and-utility-in-endometrial-carcinoma-and-adenomyosis-a-feasibility-study
#4
Adarsh Ghosh, Tulika Singh, Rashmi Bagga, Radhika Srinivasan, Veenu Singla, Niranjan Khandelwal
OBJECTIVE: We evaluate the feasibility of T2 relaxometry mapping of the uterus and demonstrate its diagnostic utility in endometrial carcinoma and adenomyosis and discuss the optimum imaging parameters as used in our institute. METHODS: Institute review board approval was obtained and multispin echo (MSE) imaging of the pelvis was done with variable time to echo in three patients, two with endometrial carcinoma and one with adenomyosis. T2 parametric maps and curves were plotted and the T2 times of the diseased endometrium, superficial and deep myometrium were established...
October 27, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28880160/pvr-patch-to-volume-reconstruction-for-large-area-motion-correction-of-fetal-mri
#5
Amir Alansary, Martin Rajchl, Steven G McDonagh, Maria Murgasova, Mellisa Damodaram, David F A Lloyd, Alice Davidson, Mary Rutherford, Joseph V Hajnal, Daniel Rueckert, Bernhard Kainz
In this paper we present a novel method for the correction of motion artifacts that are present in fetal Magnetic Resonance Imaging (MRI) scans of the whole uterus. Contrary to current slice-to-volume registration (SVR) methods, requiring an inflexible anatomical enclosure of a single investigated organ, the proposed patch-to-volume reconstruction (PVR) approach is able to reconstruct a large field of view of non-rigidly deforming structures. It relaxes rigid motion assumptions by introducing a specific amount of redundant information that is exploited with parallelized patch-wise optimization, super-resolution, and automatic outlier rejection...
September 1, 2017: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28836548/epidemiological-survey-and-risk-factor-analysis-of-recurrent-spontaneous-miscarriages-in-infertile-women-at-large-infertility-centers
#6
Hai-Yan Wang, Jie Qiao, Xiao-Xi Sun, Shu-Yu Wang, Xiao-Yan Liang, Yun Sun, Feng-Hua Liu
BACKGROUND: A higher frequency of spontaneous miscarriage has been observed in infertile couples, and there is a higher prevalence of infertility among patients with a history of recurrent spontaneous miscarriages (RSMs; ≥2 miscarriages). This study aimed to determine the proportion of infertile patients with RSM and examine risk factors associated in patients with RSM being treated with assisted reproductive technologies. METHODS: This cross-sectional observational study was conducted at six reproductive medicine centers in three cities of China...
September 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28820400/alteration-in-expressions-of-rhoa-and-rho-kinases-during-pregnancy-in-rats-their-roles-in-uterine-contractions-and-onset-of-labour
#7
D Domokos, E Ducza, G Falkay, R Gaspar
Activation of RhoA and Rho-associated kinases (ROCKs) is known to play a pivotal role in the regulation of smooth muscle contraction via phosphorylation of myosin-light chain and myosin phosphatase. There are few data on the RhoA and ROCKs expression levels in rat uteri. Therefore, our aim was to investigate the mRNA and protein concentration of RhoA and ROCKs in rat uterus during pregnancy, during parturition and post-partum using real time PCR and Western blot analysis. The other purpose was to evaluate the effects of the ROCK (Y-27632, fasudil and RKI 1441) and RhoA inhibitors (simvastatin) on uterine contractility in isolated organ bath experiments...
June 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28706457/relaxant-and-anti-inflammatory-effect-of-two-thalidomide-analogs-as-pde-4-inhibitors-in-pregnant-rat-uterus
#8
Víctor Manuel Muñoz-Pérez, Eduardo Fernández-Martínez, Héctor Ponce-Monter, Mario I Ortiz
The aim of this study was to evaluate the relaxant and anti-inflammatory effects of two thalidomide analogs as phosphodiesterase-4 (PDE-4) inhibitors in pregnant rat uterus. Uteri from Wistar female rats were isolated at 19 day of pregnancy. Uterine samples were used in functional studies to evaluate the inhibitory effects of the thalidomide analogs, methyl 3-(4-nitrophthalimido)-3-(3,4-dimethoxyphenyl)-propanoate (4NO2PDPMe) and methyl 3-(4-aminophthalimido)-3-(3,4-dimethoxyphenyl)-propanoate (4APDPMe), on prostaglandin-F2α (PGF2α)-induced phasic, K(+)-induced tonic, and Ca(2+)-induced contractions...
July 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/28630830/bilateral-humerus-and-right-femur-fracture-in-a-newborn-after-cesarean-section-for-breech-presentation-in-a-twin-pregnancy-a-very-rare-case-report
#9
P Rahul, Amit Rakesh Grover, S M Ajoy
INTRODUCTION: The most common fractures during vaginal delivery occur in the clavicle, humerus, and femur. Cesarean section reduces the chances of a child having a birth injury. However, in some difficult extractions, long bone fractures may occur. Cesarean section further reduces the incidence of birth injuries, especially in a breech delivery. Maneuvers employed during cesarean section, energetic traction, improper uterine incisions, and contracted uterus may cause these injuries. In the medical literature, there are few articles highlighting the occurrence of long bone fractures during cesarean section...
January 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28534100/dose-dependent-differential-effects-of-in-vivo-exposure-of-cadmium-on-myometrial-activity-in-rats-involvement-of-vdcc-and-ca-2-mimicking-pathways
#10
Vivek K Saroj, Udayraj P Nakade, Abhishek Sharma, Soumen Choudhury, Sunil W Hajare, Satish K Garg
Present study was undertaken to study the effect of 28-days exposure of female adult rats to cadmium (Cd) in drinking water @ 3, 10 and 30 parts per million (ppm) on myometrial responsiveness to different spasmogens and unravel the possible mechanism of alterations in myometrial activity. Cadmium and Ca(2+) levels in blood and uterus were measured by atomic absorption spectroscopy while isometric tension in myometrial strips was measured using data acquisition system-based physiograph. Dose-dependent increase in levels of cadmium was observed in both blood and uterus while calcium was increased only in the uterus as compared to those in control...
May 22, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28532683/the-essential-oil-from-the-twigs-of-cinnamomum-cassia-presl-inhibits-oxytocin-induced-uterine-contraction-in-vitro-and-in-vivo
#11
Lan Sun, Li-Na Liu, Jia-Chun Li, Yao-Zhong Lv, Shao-Bo Zong, Jun Zhou, Zheng-Zhong Wang, Jun-Ping Kou, Wei Xiao
ETHNOPHARMACOLOGICAL RELEVANCE: The twigs and bark of Cinnamomum cassia Presl (Lauraceae) are widely used in traditional Chinese medicine in the treatment of tumor, abdominal pain, dysmenorrhea, digestive system disease and inflammatory diseases. The aim of this study was to determine the inhibitory effect of the essential oil from the twigs of Cinnamomum cassia Presl (EOCC) on uterine contraction in vitro and in vivo. MATERIALS AND METHODS: The Institute of Cancer Research (ICR) mouse uterine contraction was induced by oxytocin (OT) exposure following estradiol benzoate pretreatment...
July 12, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28487215/micturition-dysfunction-in-four-month-old-ovariectomized-rats-effects-of-testosterone-replacement
#12
Sandra M Bonilla-Becerra, Mariana G de Oliveira, Fabiano B Calmasini, Julio A Rojas-Moscoso, Angelina Zanesco, Edson Antunes
AIMS: Androgen deficiency has been implicated in urological complications of postmenopausal women. This study examined the effects of testosterone replacements on the lower urinary tract dysfunction in 4-month old ovariectomized (OVX) rats. MAIN METHODS: Sprague-Dawley female rats were OVX bilaterally. Three months later, rats received single intramuscular injections of testosterone undecanoate. Cystometric study, and bladder and urethra smooth muscle reactivities were evaluated...
June 15, 2017: Life Sciences
https://www.readbyqxmd.com/read/28407357/the-inhibitory-effect-of-nodakenin-on-mast-cell-mediated-allergic-inflammation-via-downregulation-of-nf-%C3%AE%C2%BAb-and-caspase-1-activation
#13
Na Young Lee, Kyung-Sook Chung, Jong Sik Jin, Young-Cheol Lee, Hyo-Jin An
Nodakenin, a coumarin isolated from the roots of Angelicae gigas, is effective for treating function control disorders, bacterial infections, pain, diarrhea, vitamin E deficiency, and for relaxation of the uterus. The aim of this study was to investigate the antiallergic related inflammatory effects in phorbol-12-myristate 13-acetate plus calcium ionophore A23187 (PMACI)-stimulated human mast cells (HMC-1) or anaphylactic activity in a mouse model. Nodakenin inhibited the mRNA expression and production of pro-inflammatory cytokines such as tumor necrosis factor (TNF)-α, interleukin (IL)-6, and IL-1β in PMACI-stimulated HMC-1...
April 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28238025/anesthetic-management-of-abdominal-radical-trachelectomy-for-uterine-cervical-cancer-during-pregnancy
#14
Jun Terukina, Misako Takamatsu, Takayuki Enomoto, Hiroshi Baba
Abdominal radical trachelectomy has been identified as a surgical option for fertility preservation in cervical cancer patients, particularly in pregnant women who strongly desire to continue their pregnancy. Since this procedure requires operating in the uterus, the hardness of the uterus can affect the ease of surgery. Generally, sevoflurane is used for anesthesia in non-obstetric surgery for pregnant women because uterine relaxation is advantageous for uterine blood flow maintenance. However, the use of sevoflurane during radical trachelectomy has not been thoroughly evaluated...
June 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/27929271/hormone-therapy-and-other-treatments-for-symptoms-of-menopause
#15
REVIEW
D Ashley Hill, Mark Crider, Susan R Hill
The results of large clinical trials have led physicians and patients to question the safety of hormone therapy for menopause. In the past, physicians prescribed hormone therapy to improve overall health and prevent cardiac disease, as well as for symptoms of menopause. Combined estrogen/progestogen therapy, but not estrogen alone, increases the risk of breast cancer when used for more than three to five years. Therefore, in women with a uterus, it is recommended that physicians prescribe combination therapy only to treat menopausal symptoms such as vasomotor symptoms (hot flashes) and vaginal atrophy, using the smallest effective dosage for the shortest possible duration...
December 1, 2016: American Family Physician
https://www.readbyqxmd.com/read/27899300/role-of-the-endocannabinoid-system-in-the-control-of-mouse-myometrium-contractility-during-the-menstrual-cycle
#16
Ester Pagano, Pierangelo Orlando, Stefania Finizio, Antonietta Rossi, Lorena Buono, Fabio Arturo Iannotti, Fabiana Piscitelli, Angelo A Izzo, Vincenzo Di Marzo, Francesca Borrelli
Cannabis and cannabinoids are known to affect female reproduction. However, the role of the endocannabinoid system in mouse uterine contractility in the dioestrus and oestrus phases has not been previously investigated. The present study aimed at filling this gap. Endocannabinoid (anandamide and 2-arachidonoylglycerol) levels were measured in mouse uterus at dioestrus and oestrus phases by liquid chromatography-mass spectrometry; quantitative reverse transcription-PCR and western blot were used to measured the expression of cannabinoid receptors and enzymes involved in the metabolism of endocannabinoids...
January 15, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/27898948/%C3%AE-and-%C3%AE-adrenergic-receptors-stimulation-relaxes-porcine-myometrium-in-the-peri-implantation-period
#17
W Markiewicz, J J Jaroszewski
These studies were to demonstrate whether the β-receptor is involved in regulating the contractility of the swine myometrium in the peri-implantation period and to compare a relaxing activity of selective β- and β-adrenergic agonists (salbutamol and BRL 37344, respectively). Myometrial strips were collected form the gilts ( = 8) on d 12 to 14 of pregnancy. Changes in the contractility of myometrial strips were assessed further to the administration of increasing concentrations of the agonists (10 to 10 ) with and without β-adrenergic receptor antagonists: butoxamine, propranolol, and bupranolol at 10 ...
November 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27798640/altered-expression-of-human-smooth-muscle-myosin-phosphatase-targeting-mypt-isovariants-with-pregnancy-and-labor
#18
Jon Lartey, Julie Taggart, Stephen Robson, Michael Taggart
BACKGROUND: Myosin light-chain phosphatase is a trimeric protein that hydrolyses phosphorylated myosin II light chains (MYLII) to cause relaxation in smooth muscle cells including those of the uterus. A major component of the phosphatase is the myosin targeting subunit (MYPT), which directs a catalytic subunit to dephosphorylate MYLII. There are 5 main MYPT family members (MYPT1 (PPP1R12A), MYPT2 (PPP1R12B), MYPT3 (PPP1R16A), myosin binding subunit 85 MBS85 (PPP1R12C) and TIMAP (TGF-beta-inhibited membrane-associated protein (PPP1R16B))...
2016: PloS One
https://www.readbyqxmd.com/read/27782742/short-term-administration-of-melatonin-or-ghrelin-on-diabetic-rats-effects-on-angiotensin-ii-and-vasopressin-induced-uterine-contractility
#19
T Georgiev, A Tolekova, R Kalfin, P Hadzhibozheva
The aim of the present study was to investigate the effects of Angiotensin II (Ang II) and Arginin-Vasopressin (AVP) on contractility of non-pregnant uterus in diabetic Wistar rats and to explore whether one-week administration of Melatonin (MLT) or Ghrelin (GHR) will change the response of diabetic uterine muscle to AngII and AVP. Uterine horns, prepared by the method of isolated tissues were investigated as well as glycemic profile, blood pressure and body weight. The research of smooth muscle contractions was made by a new method of analysis, characterizing in detail the various phases of the myometrial activity...
March 31, 2017: Physiological Research
https://www.readbyqxmd.com/read/27739411/inhibition-of-uterine-contractility-by-thalidomide-analogs-via-phosphodiesterase-4-inhibition-and-calcium-entry-blockade
#20
Eduardo Fernández-Martínez, Héctor Ponce-Monter, Luis E Soria-Jasso, Mario I Ortiz, José-Antonio Arias-Montaño, Guillermo Barragán-Ramírez, Cynthia Mayén-García
Uterine relaxation is crucial during preterm labor. Phosphodiesterase-4 (PDE-4) inhibitors have been proposed as tocolytics. Some thalidomide analogs are PDE-4 inhibitors. The aim of this study was to assess the uterus-relaxant properties of two thalidomide analogs, methyl 3-(4-nitrophthalimido)-3-(3,4-dimethoxyphenyl)-propanoate (4NO2PDPMe) and methyl 3-(4-aminophthalimido)-3-(3,4-dimethoxyphenyl)-propanoate (4APDPMe) and were compared to rolipram in functional studies of spontaneous phasic, K⁺-induced tonic, and Ca(2+)-induced contractions in isolated pregnant human myometrial tissues...
October 7, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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