Effect of microgravity and magnetic field on the metallic and crystalline structure of magnetostrictive SmFe2 synthesized by unidirectional solidification.

abstract：:The existence of a covalent intermediate in topoisomerase I catalysis allows uncoupling of the cleavage and ligation half-reactions on partially single-stranded DNA substrates containing a highly preferred interaction site. Using this model DNA substrate system we have demonstrated that the cleavage reaction requires ...

journal_title：Annals of the New York Academy of Sciences

authors： Christiansen K,Westergaard O

更新日期：1996-12-13 00:00:00

abstract：:Experimental occlusion of a brain-supplying artery triggers tissue ischemia and subsequent inflammatory events that are initiated at the blood microvessel interface. Cytokine production and molecular adhesive events occur in the early moments following cerebral blood flow reduction, which underlie the transition from ...

journal_title：Annals of the New York Academy of Sciences

authors： del Zoppo GJ

更新日期：1997-08-14 00:00:00

abstract：:Large quantities of polybrominated diphenyl ethers (PBDEs) have been used as flame retardants in clothing and plastic products since the 1970s. A small fraction of the PBDEs in manufactured products subsequently enters municipal wastewater. Nevertheless, the resistance of these compounds to chemical and biochemical tr...

journal_title：Annals of the New York Academy of Sciences

authors： Arnold RG,Teske S,Tomanek M,Engstrom J,Leung C,Zhang J,Banihani Q,Quanrud D,Ela WP,Sáez AE

更新日期：2008-10-01 00:00:00

abstract：:Left ventricular (LV) wall motion abnormalities reflect regional nonuniform contraction which may be arrhythmogenic. We studied sarcomere mechanics and force development (F) in uniform and nonuniform trabeculae using a model in which half of the muscle can be rendered weak by exposure to low [Ca2+]o. Stretch allowed t...

journal_title：Annals of the New York Academy of Sciences

authors： ter Keurs HE,Diao N,Deis NP

更新日期：2010-02-01 00:00:00

abstract：:Caloric restriction (CR) remains the only nongenetic intervention that reproducibly extends mean and maximal life span in short-lived mammalian species. This nutritional intervention also delays the onset, or slows the progression, of many age-related disease processes. The diverse effects of CR have been demonstrated...

journal_title：Annals of the New York Academy of Sciences

authors： Lane MA,Black A,Handy A,Tilmont EM,Ingram DK,Roth GS

更新日期：2001-04-01 00:00:00

abstract：:The endometrial effects of vaginal progesterone have been found to be unexpectedly reliable. This has led us to suspect that a local direct vagina-to-uterus transport or first uterine pass effect was the basis of the uterine targeting of vaginal progesterone. After vaginal administration of progesterone, uterine tissu...

journal_title：Annals of the New York Academy of Sciences

authors： De Ziegler D,Bulletti C,De Monstier B,Jääskeläinen AS

更新日期：1997-09-26 00:00:00

abstract：:The aim of this study is to identify immune correlates of protection against tuberculosis induced by the current vaccine, Bacille Calmette Guerin (BCG). This knowledge should be valuable for developing and testing novel tuberculosis vaccines. Blood from 5675 10-week-old South African infants, routinely vaccinated with...

journal_title：Annals of the New York Academy of Sciences

authors： Hanekom WA

更新日期：2005-12-01 00:00:00

abstract：:Traditionally, studies measuring behavioral activity have used male adult animals and grid crossings (GCs) as a representative measure of activity in lieu of total distance moved (TDM). However, using GCs as the dependent measure may not be effective for comparing the activity of animals during development, as they va...

journal_title：Annals of the New York Academy of Sciences

authors： Vila JL,Philpot RM,Kirstein CL

更新日期：2004-06-01 00:00:00

abstract：:We have generated a transgenic rat model of Charcot-Marie-Tooth disease type 1A (CMT1A) providing formal proof that this neuropathy can be caused by increased expression of peripheral myelin protein-22 (PMP22). Heterozygous PMP22-transgenic rats develop muscle weakness and gait abnormalities as well as reduced nerve c...

journal_title：Annals of the New York Academy of Sciences

authors： Niemann S,Sereda MW,Rossner M,Stewart H,Suter U,Meinck HM,Griffiths IR,Nave KA

更新日期：1999-09-14 00:00:00

abstract：:Hemoglobin (Hb) concentration is the outcome of the interaction between genetic variation and environmental factors, including nutritional status, sex, age, and altitude. Genetic diversity influencing this protein is complex and varies widely across populations. Variants related to abnormal Hb or altered characteristi...

journal_title：Annals of the New York Academy of Sciences

authors： Barrera-Reyes PK,Tejero ME

更新日期：2019-08-01 00:00:00

abstract：:CD40 ligand (CD40L) is expressed by activated T cells and interacts with the CD40 molecule present on B cells and endothelial cells, promoting immunoglobulin switching in the former and cytokine upregulation in the latter. CD40L exists in both a soluble (sCD40L) and a membrane-bound form. Because primary biliary cirrh...

journal_title：Annals of the New York Academy of Sciences

authors： Oertelt S,Invernizzi P,Selmi C,Podda M,Gershwin ME

更新日期：2005-06-01 00:00:00

abstract：:This paper is intended to serve as a traditional Tibetan medical response to advancements in basic longevity research, with particular attention to current models of caloric restriction. This is a complicated task, as Tibetan medicine traditionally approaches dietary modification from a radically different perspective...

journal_title：Annals of the New York Academy of Sciences

authors： Dakpa T,Dodson-Lavelle B

更新日期：2009-08-01 00:00:00

abstract：:This volume provides a small sampling of the rapidly growing science of cancer immunology. Growth in the field includes advances on the requirements for immunization or vaccination and the ways in which immunity can be suppressed or blocked, including active tumor-based mechanisms. I would like to introduce the papers...

journal_title：Annals of the New York Academy of Sciences

authors： Steinman RM

更新日期：2009-09-01 00:00:00

abstract：:5-Lipoxygenase (5-LOX) and cyclooxygenase-2 (COX-2) are two enzymes that are critical for the synthesis of eicosanoids, the inflammatory metabolites of arachidonic acid. Both 5-LOX and COX-2 are expressed in the brain, including in CNS neurons. The physiologic role of these proteins in neuronal functioning is not clea...

journal_title：Annals of the New York Academy of Sciences

authors： Manev H,Uz T,Manev R,Zhang Z

更新日期：2001-06-01 00:00:00

abstract：:Chronic and intermittent ischemic vascular disorders represent a burgeoning clinical challenge. Previous studies have focused on the idea that therapeutic angiogenesis strategies could alleviate tissue ischemia; however, it is now appreciated that vascular disease is not simply limited to vascular wall cells but also ...

journal_title：Annals of the New York Academy of Sciences

authors： Pattillo CB,Fang K,Terracciano J,Kevil CG

更新日期：2010-10-01 00:00:00

abstract：:Nuclear factor-kappa B (NF-kappaB) is a transcription factor that resides in the cytoplasm of every cell and translocates to the nucleus when activated. Its activation is induced by a wide variety of agents including stress, cigarette smoke, viruses, bacteria, inflammatory stimuli, cytokines, free radicals, carcinogen...

journal_title：Annals of the New York Academy of Sciences

authors： Ahn KS,Aggarwal BB

更新日期：2005-11-01 00:00:00

abstract：:Previous reports have shown that there are age-related reductions in muscarinic receptor (mAChR) sensitivity to agonist stimulation. Our research has elucidated the mechanisms involved in this loss. These studies have shown that this decline is the result of decreases in mAChR concentration, reductions in the number o...

journal_title：Annals of the New York Academy of Sciences

authors： Joseph JA,Cutler R,Roth GS

更新日期：1993-09-24 00:00:00

abstract：:The xynA gene encoding a major xylanase of Clostridium stercorarium F-9 was sequenced. The structural gene consists of an open reading frame of 1533 bp encoding a protein of 511 amino acids with an M(r) of 56,519. XynA consists of a catalytic domain belonging to family G at the NH2-terminus and two direct repeats of a...

journal_title：Annals of the New York Academy of Sciences

authors： Sakka K,Takada G,Karita S,Ohmiya K

更新日期：1996-05-15 00:00:00

abstract：:TGF beta is a cytokine which is involved with the regulation of different aspects of host defense responses to injury. Overexpression of TGF beta can lead to the conversion of its protective functions to pathogenetic manifestations. TGF beta is a potent factor in promoting anabolic aspects in connective tissue metabol...

journal_title：Annals of the New York Academy of Sciences

authors： Lotz M,Seth P

更新日期：1993-06-23 00:00:00

abstract：:Understanding how the gulf between prokaryotic and eukaryotic cellular design arose is a major challenge. The viral eukaryogenesis (VE) hypothesis addresses the challenge of eukaryotic origins by suggesting the first eukaryotic cell was a multimember consortium consisting of a viral ancestor of the nucleus, an archaea...

journal_title：Annals of the New York Academy of Sciences

authors： Bell PJ

更新日期：2009-10-01 00:00:00

abstract：:The characterization of the molecular mechanisms involved in low-oxygen chemotransduction has been an active field of research since the first description of an oxygen-sensitive K(+) channel in rabbit carotid body (CB) chemoreceptor cells. As a result, a large number of components of the transduction cascade, from O(2...

journal_title：Annals of the New York Academy of Sciences

authors： Gonzalez C,Vaquero LM,López-López JR,Pérez-García MT

更新日期：2009-10-01 00:00:00

abstract：:Improved technology and medical advances have increased the lifespan for people with thalassemia. As thalassemia is no longer exclusively a pediatric blood disorder, consideration must now be given to transition planning from pediatric to adult care. The complexity of thalassemia disease, coupled with the changing fac...

journal_title：Annals of the New York Academy of Sciences

authors： Levine L,Levine M

更新日期：2010-08-01 00:00:00

abstract：:The gain of function phenotypes exhibited by the heterozygous Tr, Tr-J, and CMT1A mutations indicate that these mutations interfere with more than the function of a single PMP22 allele. The identification of proteins that interact with PMP22 and that are sensitive both to stoichiometry and the effects of the mutations...

journal_title：Annals of the New York Academy of Sciences

authors： Snipes GJ,Orfali W,Fraser A,Dickson K,Colby J

更新日期：1999-09-14 00:00:00

abstract：:The apolipoprotein E (APOE) gene causes a major risk factor for the development of Alzheimer's disease (AD). To study the transcription control of the mouse (m) APOE gene, we first tested the promoter activity of a 721-base-pair (bp) 5'-flanking region, which is located 771 bp upstream from the translation initiation ...

journal_title：Annals of the New York Academy of Sciences

authors： Lahiri DK,Alley GM,Ge YW,Du Y

更新日期：2002-11-01 00:00:00

abstract：:The effects on ex vivo LDL resistance to oxidation and biomarkers of in vivo oxidative stress in response to 3-month dietary vitamin E restriction to 25% of recommended intake and 2-month unrestricted dietary intake and supplementation with 800 IU/d were studied in 100 healthy, nonsmoking 20-75-year-old volunteers. Si...

journal_title：Annals of the New York Academy of Sciences

authors： Winklhofer-Roob BM,Meinitzer A,Maritschnegg M,Roob JM,Khoschsorur G,Ribalta J,Sundl I,Wuga S,Wonisch W,Tiran B,Rock E,VITAGE Study Group.

更新日期：2004-12-01 00:00:00

abstract：:Analyses of the RNA metabolism of hyperthermophilic archaea highlight the efficiency of regulatory RNAs and RNA-guided processes at extreme temperatures. These organisms must overcome the intrinsic thermolability of RNAs. Elevated levels of RNA modifications and structured GC-rich regions are observed for many univers...

journal_title：Annals of the New York Academy of Sciences

authors： Gomes-Filho JV,Randau L

更新日期：2019-07-01 00:00:00

abstract：:In the present study, we examined the potential impact of a T-to-C substitution at nucleotide 1519 of the GABA(A)alpha6 receptor subunit gene (GABRA6) on obesity and obesity-related phenotypes as well as circulating hormones, including salivary cortisol, in 284 unrelated Swedish men born in 1944. The subjects were gen...

journal_title：Annals of the New York Academy of Sciences

authors： Rosmond R,Bouchard C,Björntorp P

更新日期：2002-06-01 00:00:00

abstract：:The Ca2+-pump ATPase of human RBC membranes appears to be exquisitely sensitive to a variety of amphipathic molecules. The acidic protein calmodulin (CaM) activates the enzyme some three- to fivefold with an apparent Kd of approximately 1-5 nM. A variety of other amphipathic anions, such as acidic phospholipids, free ...

journal_title：Annals of the New York Academy of Sciences

authors： Vincenzi FF

更新日期：1982-01-01 00:00:00

abstract：:Many cytoplasmic vesicles are observed to move along microtubules. Often, bidirectional movement of particles is observed on a single microtubule. We have isolated one cytoplasmic motor, kinesin, and defined another, the axoplasmic retrograde factor, which are capable of powering anionic latex beads toward the plus an...

journal_title：Annals of the New York Academy of Sciences

authors： Sheetz MP,Vale R,Schnapp B,Schroer T,Reese T

更新日期：1987-01-01 00:00:00

abstract：:Since connective tissue pulleys implement Listing's law by systematically changing rectus extraocular muscle (EOM) pulling directions, non-Listing's law gaze dependence of the vestibulo-ocular reflex is currently inexplicable. Differential activation of compartments within rectus EOMs may endow the ocular motor system...

journal_title：Annals of the New York Academy of Sciences

authors： Demer JL,Clark RA,da Silva Costa RM,Kung J,Yoo L

更新日期：2011-09-01 00:00:00