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https://www.readbyqxmd.com/read/30550756/significance-of-obstetrical-history-with-future-cardiovascular-disease-risk
#1
REVIEW
Emmanuel Bassily, Cameron Bell, Sean Verma, Nidhi Patel, Aarti Patel
The maternal cardiovascular system undergoes profound changes to support the increasing demands of fetal growth during pregnancy. An accumulating body of evidence has shown that common pregnancy complications, including gestational diabetes mellitus, preeclampsia, low birth weight, and preterm delivery, can be associated with future cardiovascular adverse events in mothers. Factors such as glucose metabolism, hyperlipidemia, inflammatory markers, large and small vessel stiffness/functionality have been linked with these pregnancy conditions...
December 11, 2018: American Journal of Medicine
https://www.readbyqxmd.com/read/30548580/interplay-between-micrornas-and-wnt-transforming-growth-factor-%C3%AE-and-bone-morphogenic-protein-signaling-pathways-promote-osteoblastic-differentiation-of-mesenchymal-stem-cells
#2
REVIEW
Somayeh Aslani, Alireza Abhari, Ebrahim Sakhinia, Davoud Sanajou, Hadi Rajabi, Sevda Rahimzadeh
Osteoblasts are terminally differentiated cells with mesenchymal origins, known to possess pivotal roles in sustaining bone microstructure and homeostasis. These cells are implicated in the pathophysiology of various bone disorders, especially osteoporosis. Over the last few decades, strategies to impede bone resorption, principally by bisphosphonates, have been mainstay of treatment of osteoporosis; however, in recent years more attention has been drawn on bone-forming approaches for managing osteoporosis...
December 12, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/30547777/obstetric-and-perinatal-outcomes-of-singleton-pregnancies-conceived-via-assisted-reproductive-technology-complicated-by-gestational-diabetes-mellitus-a-prospective-cohort-study
#3
Azam Kouhkan, Mohammad E Khamseh, Reihaneh Pirjani, Ashraf Moini, Arezoo Arabipoor, Saman Maroufizadeh, Roya Hosseini, Hamid Reza Baradaran
BACKGROUND: Growing evidence indicates that the risk of obstetric and perinatal outcomes is higher in women with assisted reproductive technology (ART). However, there is little known about pregnancy related complications and co-morbidity in gestational diabetes mellitus (GDM) following singleton pregnancies achieved by ART in comparison with spontaneous conception (SC). METHODS: Two hundred sixty singleton pregnant women conceived by ART and 314 pregnant women conceived by spontaneous conception (SC) were participated in this prospective cohort study...
December 14, 2018: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/30543397/rna-micelles-for-systemic-delivery-of-anti-mirna-for-cancer-targeting-and-inhibition-without-ligand
#4
Hongran Yin, Hongzhi Wang, Zhefeng Li, Dan Shu, Peixuan Guo
Displaying the advantage of nanoparticles in cancer targeting and drug delivery, micelles have shown great potential in cancer therapy. The mechanism for micelle targeting to cancer without the need of ligand is due to the size advantage of micelles within the lower end of the nanometer scale that is the optimal size favoring Enhanced Permeability and Retention (EPR) effect while escaping trapping by macrophages. MicroRNAs (miRNAs) are ubiquitous and play critical roles in regulating gene expression, cell growth and cancer development...
December 13, 2018: ACS Nano
https://www.readbyqxmd.com/read/30543164/the-potential-of-fucose-containing-sulfated-polysaccharides-as-scaffolds-for-biomedical-applications
#5
Cláudia Nunes, Manuel A Coimbra
Marine environments have a high quantity and diversity of sulfated polysaccharides. In coastal regions brown algae are the most abundant biomass producers and their cell walls have fucose-containing sulfated polysaccharides (FCSP), known as fucans and/or fucoidans. These sulfated compounds have been widely researched for their biomedical properties, namely the immunomodulatory, haemostasis, pathogen inhibition, anti-inflammatory capacity, and antitumoral. These activities are probably due to their ability to mimic the carbohydrate moieties of mammalian glycosaminoglycans...
December 12, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/30541743/natural-killer-derived-exosomal-mir-186-inhibits-neuroblastoma-growth-and-immune-escape-mechanisms
#6
Paolo Neviani, Petra M Wise, Mariam Murtadha, Cathy W Liu, Chun-Hua Wu, Ambrose Y Jong, Robert C Seeger, Muller Fabbri
In neuroblastoma, the interplay between immune cells of the tumor microenvironment and cancer cells contributes to immune escape mechanisms and drug resistance. In this study, we show that NK cell-derived exosomes carrying the tumor suppressor microRNA (miR)-186 exhibit cytotoxicity against MYCN-amplified neuroblastoma cell lines. The cytotoxic potential of these exosomes was partly dependent upon expression of miR-186. MiR-186 was downregulated in high-risk neuroblastoma patients, and its low expression represented a poor prognostic factor that directly correlated with NK activation markers (i...
December 12, 2018: Cancer Research
https://www.readbyqxmd.com/read/30541597/tspan8-and-tspan8-cd151-knockout-mice-unravel-the-contribution-of-tumor-and-host-exosomes-to-tumor-progression
#7
Kun Zhao, Zhe Wang, Thilo Hackert, Claudia Pitzer, Margot Zöller
BACKGROUND: The tetraspanins Tspan8 and CD151 promote metastasis, exosomes (Exo) being suggested to be important in the crosstalk between tumor and host. The contribution of Tspan8 and CD151 to host versus tumor-derived exosome (TEX) activities being not defined, we approached the questions using 3-methylcholanthrene-induced (MCA) tumors from wt, Tspan8ko, CD151ko and Tspan8/CD151 (db)ko mice, implanted into tetraspanin-competent and deficient hosts. METHODS: Tumor growth and dissemination, hematopoiesis and angiogenesis were surveyed in wild type (wt), Tspan8ko, CD151ko and dbko mice bearing tetraspanin-competent and -deficient MCA tumors...
December 12, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/30541390/cytokine-changes-in-maternal-peripheral-blood-correlate-with-time-to-delivery-in-pregnancies-complicated-by-premature-prelabor-rupture-of-the-membranes
#8
Stefania Ronzoni, Valerie Steckle, Rohan D'Souza, Kellie E Murphy, Stephen Lye, Oksana Shynlova
Premature prelabor rupture of the membranes (PPROM) causes one-third of preterm births worldwide and is most likely caused by subclinical intrauterine infection and/or inflammation. We proposed that women with systemic inflammation at the time of PPROM would have shorter latency. Peripheral blood samples were collected from 20 singleton pregnant women with PPROM between 23 ± 1 and 33 ± 6 weeks. The first sample was drawn within 48 hours of admission, followed by weekly blood draws until delivery. Pregnancies complicated with acute chorioamnionitis, preeclampsia, intrauterine growth restriction, obesity, substance abuse, and chronic maternal disease were excluded...
December 12, 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/30537892/use-of-thioglycerol-on-porous-polyurethane-as-an-effective-theranostic-capping-agent-for-bone-tissue-engineering
#9
Eun-Ho Song, Yun-Jeong Seong, Cheonil Park, In-Gu Kang, Hyoun-Ee Kim, Seol-Ha Jeong
Thiolated biodegradable polyurethane (TG-DPU) was synthesized using a one-pot reaction with thioglycerol adopted as a functionalized chain extender. After characterization of the chemical structure of TG-DPU using proton nuclear magnetic resonance spectroscopy, bone morphogenetic protein (BMP-2) was loaded in the TG-DPU under oxidative conditions to form disulfides between the free thiol of TG-DPU and BMP-2. The interaction between TG-DPU and BMP-2, so-called bioconjugates, was investigated using X-ray photoelectron spectroscopy analysis; the appearance of disulfide (S-S) linkage indicated the formation of a polymer/growth factor conjugate system...
December 11, 2018: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/30534158/postnatal-growth-restriction-is-reduced-if-birth-weight-is-used-for-nutritional-calculations-in-elbw-infants
#10
Pradeep Alur, Harithsa Asuri, Jane Cirelli, Ankita Patel, Theodore Bell, Jonathan Liss, Naveed Hussain
Since fluid and nutrition needs and delivery in ELBW infants are calculated based on their body weights, there could be a measurable difference in fluid, nutrition, and protein intake calculations based on birth weight (BW) or current weight of the infant, especially in the first two weeks of life. Theoretically, the use of current daily weight (CW) for calculations may result in decreased fluid, nutrition, and protein delivery as well as a cumulative protein deficit (cPD) over the first two weeks of life until the infant regains birth weight...
2018: International Journal of Pediatrics
https://www.readbyqxmd.com/read/30532951/inducing-a-transient-increase-in-blood-brain-barrier-permeability-for-improved-liposomal-drug-therapy-of-glioblastoma-multiforme
#11
David J Lundy, Keng-Jung Lee, I-Chia Peng, Chia-Hsin Hsu, Jen-Hao Lin, Kun-Hung Chen, Yu-Wen Tien, Patrick C H Hsieh
The blood brain barrier (BBB) selectively controls the passage of endogenous and exogenous molecules between systemic circulation and the brain parenchyma. Nano-carrier based drugs such as liposomes and nanoparticles are an attractive prospect for cancer therapy since they can carry a drug payload and be modified to improve targeting and retention at the desired site. However, the BBB prevents most therapeutic drugs from entering the brain, including physically restricting the passage of liposomes and nanoparticles...
December 11, 2018: ACS Nano
https://www.readbyqxmd.com/read/30532533/redox-responsive-hyaluronic-acid-functionalized-graphene-oxide-nanosheets-for-targeted-delivery-of-water-insoluble-cancer-drugs
#12
Jian Liu, Doudou Zhang, Shu Lian, Junxia Zheng, Bifei Li, Tao Li, Lee Jia
Background: Gefitinib (Gef), an important epidermal growth factor receptor (EGFR), is used to treat lung cancer, but low water solubility and poor bioavailability severely limit its application in cancer therapy. Methods: In this study, nanographene oxide (NGO) was decorated with hyaluronic acid (HA) by a linker cystamine dihydrochloride containing disulfide bonds (-SS-), followed by the incorporation of gefitinib, thus, constructing a HA-functionalized GO-based gefitinib delivery system (NGO-SS-HA-Gef)...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30531687/intranasal-calcitonin-gene-related-peptide-protects-against-focal-cerebral-ischemic-injury-in-rats-through-the-wnt-%C3%AE-catenin-pathway
#13
Zhenlan Du, Haidong Zhang, Qiang Chen, Yongfeng Gao, Baoliang Sun
BACKGROUND Intranasal calcitonin gene-related peptide (CGRP) delivery offers a noninvasive method of bypassing the blood-brain barrier for the delivery of CGRP to the brain. Here, we first reported the therapeutic benefits of intranasal CGRP delivery in rats following middle cerebral artery occlusion (MCAO). MATERIAL AND METHODS Real-time quantitative polymerase chain reaction (RT-qPCR) assay, enzyme-linked immunosorbent assay (ELISA), rat MCAO model, TTC (2, 3, 5-triphenyltetrazolium chloride) staining, hematoxylin and eosin (H & E) staining, Morris water maze test, TUNEL assay, immunofluorescence, and western blot assay were used to investigate the role of CGRP in rats...
December 7, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/30531474/citrate-therapy-for-calcium-phosphate-stones
#14
Jeffrey D Rimer, Khashayar Sakhaee, Naim M Maalouf
PURPOSE OF REVIEW: Calcium phosphate (CaP) stones represent an increasingly encountered form of recurrent nephrolithiasis, but current prophylactic medical regimens are suboptimal. Although hypocitraturia is a well-described risk factor for CaP stones, strategies that enhance citrate excretion have not consistently been effective at reducing CaP saturation and stone recurrence. This review summarizes the role of citrate therapy in CaP nephrolithiasis. RECENT FINDINGS: Citrate in urine inhibits CaP stone formation through multiple mechanisms, including the formation of soluble citrate-calcium complexes, and inhibition of CaP nucleation, crystal growth and crystal aggregation...
December 3, 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/30530270/microvascular-networks-in-the-area-of-the-auditory-peripheral-nervous-system
#15
Han Jiang, Xiaohan Wang, Jinhui Zhang, Allan Kachelmeier, Ivan A Lopez, Xiaorui Shi
Using transgenic fluorescent reporter mice in combination with an established tissue clearing method, we detail heretofore optically opaque regions of the spiral lamina and spiral limbus where the auditory peripheral nervous system is located and provide insight into changes in cochlear vascular density with ageing. We found a relatively dense and branched vascular network in young adults, but a less dense and thinned network in aged adults. Significant reduction in vascular density starts early at the age of 180 days in the region of the spiral limbus (SL) and continues into old age at 540 days...
December 4, 2018: Hearing Research
https://www.readbyqxmd.com/read/30529766/nanosoldiers-a-promising-strategy-to-combat-triple-negative-breast-cancer
#16
REVIEW
Akshayya Pawar, Priyanka Prabhu
The phenomenal rise in cancer over the past few years has made it the second leading cause of death worldwide. Breast cancer constitutes the predominant cancer encountered in women. Triple negative breast cancer (TNBC) is the most notorious form of breast cancer which involves absence of the estrogen, progesterone and human epidermal growth factor receptor (EGFR) on breast cancer cells. It is a real challenge for oncologists owing to the recurrence and metastasis which result in poor prognosis. Conventional therapies employed in treatment of TNBC suffer from issues of poor bioavailability, poor cellular uptake, resistance, and undesirable off-site toxicities...
December 3, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/30528929/preclinical-evaluation-of-advm-022-a-novel-gene-therapy-approach-to-treating-wet-age-related-macular-degeneration
#17
Ruslan Grishanin, Brian Vuillemenot, Pallavi Sharma, Annahita Keravala, Judith Greengard, Claire Gelfman, Mark Blumenkrantz, Matthew Lawrence, Wenzheng Hu, Szilárd Kiss, Mehdi Gasmi
Inhibition of vascular endothelial growth factor, a key contributor to the choroidal neovascularization associated with wet age-related macular degeneration, is the mode of action of several approved therapies, including aflibercept, which requires frequent intravitreal injections to provide clinical benefit. Lack of compliance with the dosing schedule may result in recurrence of active wet macular degeneration, leading to irreversible vision impairment. Gene therapy providing sustained anti-vascular endothelial growth factor levels in the retina following a single injection could drastically reduce the treatment burden and improve visual outcomes...
November 13, 2018: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/30527853/livebirth-after-uterus-transplantation-from-a-deceased-donor-in-a-recipient-with-uterine-infertility
#18
Dani Ejzenberg, Wellington Andraus, Luana Regina Baratelli Carelli Mendes, Liliana Ducatti, Alice Song, Ryan Tanigawa, Vinicius Rocha-Santos, Rubens Macedo Arantes, José Maria Soares, Paulo Cesar Serafini, Luciana Bertocco de Paiva Haddad, Rossana Pulcinelli Francisco, Luiz Augusto Carneiro D'Albuquerque, Edmund Chada Baracat
BACKGROUND: Uterus transplantation from live donors became a reality to treat infertility following a successful Swedish 2014 series, inspiring uterus transplantation centres and programmes worldwide. However, no case of livebirth via deceased donor uterus has, to our knowledge, been successfully achieved, raising doubts about its feasibility and viability, including whether the womb remains viable after prolonged ischaemia. METHODS: In September, 2016, a 32-year-old woman with congenital uterine absence (Mayer-Rokitansky-Küster-Hauser [MRKH] syndrome) underwent uterine transplantation in Hospital das Clínicas, University of São Paulo, Brazil, from a donor who died of subarachnoid haemorrhage...
December 4, 2018: Lancet
https://www.readbyqxmd.com/read/30525507/tumor-microenvironment-regulated-redox-responsive-cationic-galactose-based-hyperbranched-polymers-for-sirna-delivery
#19
Yi-Yang Peng, Diana Diaz-Dussan, Piyush Kumar, Ravin Narain
Tumor microenvironment redox-modulated galactose-based hyperbranched polymers (HRRP) composed of 2-lactobionamidoethylmethacrylamide (LAEMA) and 2-aminoethylmethacrylamide (AEMA) with molecular weights of 10 and 20 kDa and LAEMA:AEMA ratios (L:A) of 1.5 and 1 were prepared via reversible addition-fragmentation chain trans-fer (RAFT) polymerization. The remarkable capability of these polymers to respond to the glutathione (GSH) concentration in the tumor environment is the key factor that regulates their cellular internalization and enhances selective siRNA release into the cancer cell cytoplasm...
December 10, 2018: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/30524687/cell-specific-targeting-by-engineered-m13-bacteriophage-expressing-vegfr2-nanobody
#20
Farideh Ranjibar, Mahdi Habibi-Anbouhi, Fatemeh Kazemi-Lomedasht, Seyed Hamid Aghaee-Bakhtiyari, Ehsan Alirahimi, Mahdi Behdani
Objectives: Filamentous bacteriophage M13 was genetically engineered to specifically target mammalian cells for gene delivery purpose. Materials and Methods: A vascular endothelial growth factor receptor 2 (VEGFR2)-specific nanobody was genetically fused to the capsid gene III of M13 bacteriophage (pHEN4/3VGR19). A mammalian expression construct containing Cop-green fluorescent protein (Cop-GFP), as a reporter gene, was amplified by PCR and then sub-cloned in the pHEN4/3VGR19 phagemid...
September 2018: Iranian Journal of Basic Medical Sciences
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