How does human bone resist fracture?

abstract：:Preeclampsia is the disorder of pregnancy with the highest rate of both maternal and neonatal morbidity and mortality. The maternal syndrome is characterized by oxidative stress and activation of the vascular endothelium that may originate from placental release of lipid peroxidation products, cytokines, and micropart...

journal_title：Annals of the New York Academy of Sciences

authors： Poston L,Raijmakers M,Kelly F

更新日期：2004-12-01 00:00:00

abstract：:Plasmacytoid dendritic cells (pDCs) are a rare population of circulating cells that selectively express Toll-like receptors (TLR)7 and TLR9 and have the capacity to produce large amounts of type I interferons (IFNs) in response to viruses or host-derived nucleic acid-containing complexes. Through the production of typ...

journal_title：Annals of the New York Academy of Sciences

authors： Lande R,Gilliet M

更新日期：2010-01-01 00:00:00

abstract：:Both orbital and attitude dynamics employ the method of variation of parameters. In a non-perturbed setting, the coordinates (or the Euler angles) are expressed as functions of the time and six adjustable constants called elements. Under disturbance, each such expression becomes ansatz, the "constants" being endowed w...

journal_title：Annals of the New York Academy of Sciences

authors： Efroimsky M

更新日期：2005-12-01 00:00:00

abstract：:While the ventral pallidum (VP) is known to be important in relaying information between the nucleus accumbens and target structures, it has become clear that substantial information processing occurs within the VP. We evaluated the possibility that opioid modulation of other transmitters contained in VP afferents is ...

journal_title：Annals of the New York Academy of Sciences

authors： Napier TC,Mitrovic I

更新日期：1999-06-29 00:00:00

abstract：:Deposition of amyloid beta protein in the brain is the major pathological feature of Alzheimer's disease. Amyloid beta protein is generated from beta-amyloid precursor protein by beta-secretase and gamma-secretase. Proteolytic processing of amyloid precursor protein at the beta site by BACE1 is essential to generate a...

journal_title：Annals of the New York Academy of Sciences

authors： Zhou W,Qing H,Tong Y,Song W

更新日期：2004-12-01 00:00:00

abstract：:We compare the evidence from human neuroimaging studies for and against two of the major hypotheses of how alterations in the brain's reward system underlie addiction. One of these, the impulsivity hypothesis, proposes that addiction is characterized by excessive sensitivity to reward combined with a failure of inhibi...

journal_title：Annals of the New York Academy of Sciences

authors： Hommer DW,Bjork JM,Gilman JM

更新日期：2011-01-01 00:00:00

abstract：:Evolutionary psychology seeks to understand the functional design underlying psychological processes and behavior. Theories of selection pressures developed within evolutionary biology are key components of this understanding. Because past selection pressures responsible for current design cannot be directly observed,...

journal_title：Annals of the New York Academy of Sciences

authors： Gangestad SW

更新日期：2000-04-01 00:00:00

abstract：:The ability to recognize and discriminate conspecific faces and facial expressions has played a critical role in the evolution of social communication. Darwin was one of the first to speculate that human and nonhuman primate facial expressions share similar mechanisms for production and functions in expressing emotion...

journal_title：Annals of the New York Academy of Sciences

authors： Parr LA

更新日期：2003-12-01 00:00:00

abstract：:Structural analysis of secretin in solution has demonstrated extended helical domains within both amino- and carboxyl-terminal halves, with a possible turn in between. However, the conformation of this peptide as it resides in its binding site within the receptor has not been established. In the work reported here, we...

journal_title：Annals of the New York Academy of Sciences

authors： Dong M,Wang Y,Miller LJ

更新日期：2000-01-01 00:00:00

abstract：:Recent studies suggest that the symptoms associated with endometriosis are the result of local peritoneal inflammation. Increased concentrations of activated pelvic macrophages and lymphocytes and the elevated levels of specific cytokines and growth factors reviewed above support this hypothesis. The precise roles of ...

journal_title：Annals of the New York Academy of Sciences

authors： Taylor RN,Ryan IP,Moore ES,Hornung D,Shifren JL,Tseng JF

更新日期：1997-09-26 00:00:00

abstract：:Alexithymia has been associated with both posttraumatic stress disorder and neuroendocrine responses to stress. This study examined the relationship of alexithymia to salivary cortisol and 3-methoxy-4-hydroxy-phenylglycol (MHPG) in a sample of police academy recruits exposed to a video stress challenge. Alexithymia sc...

journal_title：Annals of the New York Academy of Sciences

authors： McCaslin SE,Inslicht SS,Neylan TC,Metzler TJ,Otte C,Lenoci M,Henn-Haase C,Best S,Yehuda R,Marmar CR

更新日期：2006-07-01 00:00:00

abstract：:The obesity epidemic is a leading cause of health problems in the United States, increasing the risk of cardiovascular, endocrine, and psychiatric diseases. Although many people lose weight through changes in diet and lifestyle, keeping the weight off remains a challenge. Here, we discuss a hypothesis that seeks to ex...

journal_title：Annals of the New York Academy of Sciences

authors： Matikainen-Ankney BA,Kravitz AV

更新日期：2018-09-01 00:00:00

abstract：:The expression levels of GAP-43 and MAP-2, two proteins involved, respectively, in axonal and dendritic remodeling, in control adult (11 months), old (24 months), and vitamin E-deficient (11 months) rats were evaluated. mRNA levels were determined by means of a quantitative in situ hybridization procedure in subregion...

journal_title：Annals of the New York Academy of Sciences

authors： Casoli T,Di Stefano G,Delfino A,Fattoretti P,Bertoni-Freddari C

更新日期：2004-06-01 00:00:00

abstract：:Gene therapy as an immunomodulatory approach has the potential to treat various inherited and acquired immune-based human diseases. However, its clinical application has several challenges, varying from the efficiency of gene transfer, control of gene expression, cell and tissue targeting, and safety concerns associat...

journal_title：Annals of the New York Academy of Sciences

authors： Singh NP,Yolcu ES,Askenasy N,Shirwan H

更新日期：2005-11-01 00:00:00

abstract：:The song system of oscine birds has become a versatile model system that is used to study diverse problems in neurobiology. Because the song system is often studied with the intention of applying the results to mammalian systems, it is important to place song system brain nuclei in a broader context and to understand ...

journal_title：Annals of the New York Academy of Sciences

authors： Farries MA

更新日期：2004-06-01 00:00:00

abstract：:One hundred and twenty-seven Brahman cattle from several locations in Martinique (FWI), reared under different environmental conditions, were followed over three years and checked for clinical signs of dermatophilosis. To confirm that these animals had been in contact with the pathogen Dermatophilus congolensis, their...

journal_title：Annals of the New York Academy of Sciences

authors： Maillard JC,Martinez D,Bensaid A

更新日期：1996-07-23 00:00:00

abstract：:Will the development of safe, accurate prenatal diagnosis for Cooley's anemia result in a reduction in the unwanted birth of children with Cooley's anemia in the United States? Since detection of couples at risk only through the birth of an affected child will lead to a minimal reduction in the incidence of the diseas...

journal_title：Annals of the New York Academy of Sciences

authors： Rowley PT,Loader S,Walden ME

更新日期：1985-01-01 00:00:00

abstract：:Multidrug-resistant tuberculosis is already a global pandemic, with focal "hot spots" of ongoing transmission. Although DOTS (directly observed treatment, short course) chemotherapy is the goal of global tuberculosis control, short-course chemotherapy will not cure multidrug-resistant tuberculosis. In settings of high...

journal_title：Annals of the New York Academy of Sciences

authors： Farmer P

更新日期：2001-12-01 00:00:00

abstract：:In order to analyze neuronal computations in the first olfactory processing center, the olfactory bulb, we measured odor-evoked activity patterns across large numbers of neurons within the intact olfactory bulb of zebrafish using optical and electrophysiological methods. We found that the olfactory bulb performs multi...

journal_title：Annals of the New York Academy of Sciences

authors： Friedrich RW,Yaksi E,Judkewitz B,Wiechert MT

更新日期：2009-07-01 00:00:00

abstract：:The development of an integrated system for the continuous, automated production of pure cell culture derived proteins is discussed. The system comprises a cell culture subunit for the continuous culture of mammalian cells and a purification subunit linked on-line to the cell culture subunit. The cells are compartment...

journal_title：Annals of the New York Academy of Sciences

authors： Grandics P,Szathmary S,Szathmary Z,O'Neill T

更新日期：1991-12-27 00:00:00

abstract：:Indirect evidence, including neuroprotection against 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-neurotoxicity by nitric oxide synthase (NOS) inhibitors and resistance of transgenic animals deficient in NOS, is controversial. We have reviewed evidence in favor of oxidative stress during the development of MPTP...

journal_title：Annals of the New York Academy of Sciences

authors： Mohanakumar KP,Thomas B,Sharma SM,Muralikrishnan D,Chowdhury R,Chiueh CC

更新日期：2002-05-01 00:00:00

abstract：:Dopamine-beta-hydroxylase (DbetaH) deficiency is a rare autosomal dominant disorder. Due to the absence of DbetaH, there is a blocked conversion of dopamine into norepinephrine. The biochemical hallmark of this syndrome consists of a complete absence of plasma norepinephrine and epinephrine levels in conjunction with ...

journal_title：Annals of the New York Academy of Sciences

authors： Timmers HJ,Deinum J,Wevers RA,Lenders JW

更新日期：2004-06-01 00:00:00

abstract：:Progression of the cell cycle is controlled by activating and inhibiting cellular factors. The delicate balance between these positive- and negative-acting regulators warrants proper cell cycle progression in normal cells and facilitates cellular response to a variety of stress stimuli. The increased activity of the p...

journal_title：Annals of the New York Academy of Sciences

authors： Wesierska-Gadek J,Krystof V

更新日期：2009-08-01 00:00:00

abstract：:The psychostimulant 3,4-,ethylenedioxymethamphetamine (MDMA, "ecstasy") is known to induce hyperthermia and alterations in neurochemical metabolism in the CNS. However, the detailed cellular or molecular mechanisms behind MDMA-induced neurotoxicity are still not well known. Since MDMA induces profound hyperthermia tha...

journal_title：Annals of the New York Academy of Sciences

authors： Sharma HS,Ali SF

更新日期：2008-10-01 00:00:00

abstract：:Experimental and observational findings suggest that calcium intake may protect against colorectal neoplasia. To investigate this hypothesis, we conducted a randomized, double-blind trial of colorectal adenoma recurrence. Nine hundred thirty patients with a recent history of colorectal adenomas were randomly given cal...

journal_title：Annals of the New York Academy of Sciences

authors： Baron JA,Beach M,Mandel JS,van Stolk RU,Haile RW,Sandler RS,Rothstein R,Summers RW,Snover DC,Beck GJ,Frankl H,Pearson L,Bond JH,Greenberg ER

更新日期：1999-01-01 00:00:00

abstract：:In conclusion, 5-HT has been shown to contract both circular and longitudinal muscle layers of human terminal ileum. By the use of selective antagonists, the receptors mediating these actions have been identified. In the circular muscle of human small intestine, 5-HT-induced contraction is mediated via a receptor of t...

journal_title：Annals of the New York Academy of Sciences

authors： Borman RA,Burleigh DE

更新日期：1997-05-30 00:00:00

abstract：:Abnormal function of the lymphatic vessels is associated with a variety of diseases, such as tumor metastasis and lymphedema. The development of strategies for local and controlled induction or inhibition of lymphangiogenesis would thus be of major importance for the treatment of such diseases. Two growth factors, vas...

journal_title：Annals of the New York Academy of Sciences

authors： Saaristo A,Karkkainen MJ,Alitalo K

更新日期：2002-12-01 00:00:00

abstract：:Recognizing the self-activity of matter through complexification can lead to seeing evolution as a process of union. This process approach emphasizes a metaphysics of becoming rather than of being. Advances in the science of thermodynamics lead to understanding chemical self-organization as a stage in this process of ...

journal_title：Annals of the New York Academy of Sciences

authors： Salmon JF

更新日期：2003-05-01 00:00:00

abstract：:The results of this study indicate that the presence of plants did enhance TNT and TNB removal from IAAP groundwater. Most effective at 25 degrees C were reed canary grass, coontail and pondweed. Groundwater and plant tissue analyses indicate that in presence of the plants tested TNT is degraded to reduced by-products...

journal_title：Annals of the New York Academy of Sciences

authors： Best EP,Zappi ME,Fredrickson HL,Sprecher SL,Larson SL,Ochman M

更新日期：1997-11-21 00:00:00

abstract：:In this article, we have presented an overview of fundamental issues involved in mediphotonic imaging, and reviewed some of the emerging techniques for early-light transillumination imaging of body organs. The results on human breast tissues presented here, together with the data accumulated and advances made by resea...

journal_title：Annals of the New York Academy of Sciences

authors： Alfano RR,Demos SG,Gayen SK

更新日期：1997-05-30 00:00:00