abstract：:The dentate gyrus of the rat forms in three developmental phases, each of which is characterized by neuronal birth, migration and death. Recent evidence indicates that adrenal steroids regulate neuronal birth, death, and possibly migration throughout the life of the animal. However, the observation that very few neuro...

journal_title：Annals of the New York Academy of Sciences

authors： Gould E

更新日期：1994-11-14 00:00:00

abstract：:We have demonstrated a far more widespread and selective ischemic cell damage than previously thought. In area CA3, a distinct subpopulation of interneurons, characterized by their spiny dendrites and their calretinin content, was selectively vulnerable in the absence of any other CA3 involvement. In the dentate hilus...

journal_title：Annals of the New York Academy of Sciences

authors： Hsu M,Sik A,Gallyas F,Horváth Z,Buzsáki G

更新日期：1994-11-14 00:00:00

abstract：:In this limited review, it has only been possible to highlight some of the more significant interactions of peptides with the blood-brain barrier. The literature has been reviewed extensively in recent years, and the major reviews are included in the references. Certainly one of the major outstanding problems is an el...

journal_title：Annals of the New York Academy of Sciences

authors： Begley DJ

更新日期：1994-10-31 00:00:00

abstract：:Epidermal growth factor receptor (EGF-R) has been implicated in the growth of endometrial cancer. In the present study, immunostaining of EGF-R was investigated in different endometrial cancer histotypes. For this purpose 34 surgical samples of primary endometrial carcinoma were studied using monoclonal anti-EGF-R ant...

journal_title：Annals of the New York Academy of Sciences

authors： Jasonni VM,Santini D,Amadori A,Ceccarelli C,Naldi S

更新日期：1994-09-30 00:00:00

abstract：:Fibronectin is a ubiquitous extracellular matrix (ECM) protein known to play a critical role in cell adhesion. In the present study we dissected the effects of glucocorticoids and cyclic adenosine 3',5'-monophosphate (cAMP) on FN expression in cultures of cytotrophoblasts isolated from human term placentas to identify...

journal_title：Annals of the New York Academy of Sciences

authors： Guller S,Wozniak R,Leibman MI,Lockwood CJ

更新日期：1994-09-30 00:00:00

abstract：:Various mechanisms have been identified by which hormones and neurotransmitters, interacting with heptahelical receptors, modulate the intracellular Ca2+ concentration in neuronal, endocrine, and neuroendocrine cells. All of them involve heterotrimeric G proteins. Best documented are hormonal stimulations and inhibiti...

journal_title：Annals of the New York Academy of Sciences

authors： Hescheler J,Schultz G

更新日期：1994-09-15 00:00:00

abstract：:The multiple actions of somatostatin are mediated by specific membrane-bound receptors present in all somatostatin target tissues, such as brain, pituitary, pancreas, gastrointestinal tract, and kidney. For instance, in the human gastrointestinal tract, three different types of tissue compartments express somatostatin...

journal_title：Annals of the New York Academy of Sciences

authors： Reubi JC,Laissue J,Waser B,Horisberger U,Schaer JC

更新日期：1994-09-15 00:00:00

abstract：:Our cumulative experience continues to validate the fetal nucleated erythrocyte as the target fetal cell type of choice, primarily because it reflects the cytogenetic status of the current pregnancy. Additional cell types, such as the granulocyte, await further study. Quantitative PCR is a sensitive and useful new met...

journal_title：Annals of the New York Academy of Sciences

authors： Bianchi DW

更新日期：1994-09-07 00:00:00

abstract：:The survival of M. leprae and M. tuberculosis in the human host is dependent upon their ability to produce gene products that counteract the bactericidal activities of macrophages. To identify such mycobacterial genes and gene products, recombinant DNA libraries of mycobacterial DNA in E. coli were passed through macr...

journal_title：Annals of the New York Academy of Sciences

authors： Mundayoor S,Shinnick TM

更新日期：1994-08-15 00:00:00

abstract：:N. gonorrhoeae initiates infection by adhering to and invading columnar epithelial cells. Over time these activities often induce inflammation, with the influx of neutrophils and serum into the urethral lumen, cervical os, conjunctiva, and the like. At least some of these infected niches contain CMP-NANA (cytidine mon...

journal_title：Annals of the New York Academy of Sciences

authors： Rest RF,Liu J,Talukdar R,Frangipane JV,Simon D

更新日期：1994-08-15 00:00:00

abstract：:Nicergoline (NE)--a cerebral vasodilator with nicotinic acid esterified in its molecule--and Antagonic-Stress (AS) composition--a neurometabolic nootropic, also containing nicotinic acid but with fast and prolonged release--were evaluated in senile dementia of Alzheimer's type (SDAT), mild to moderate intensity (DSM-I...

journal_title：Annals of the New York Academy of Sciences

authors： Schneider F,Popa R,Mihalas G,Stefanigă P,Mihalas IG,Măties R,Mateescu R

更新日期：1994-06-30 00:00:00

abstract：:The results of this study suggest that reperfusion of ischemic myocardium may lead to the peroxisomal disorder both functionally and biochemically. An alkyl glycerol such as chimyl alcohol can protect the ischemic heart from the reperfusion injury probably by enhancing the plasmalogen synthesis. ...

journal_title：Annals of the New York Academy of Sciences

authors： Maulik N,Tosaki A,Engelman RM,Cordis GA,Das DK

更新日期：1994-06-17 00:00:00

abstract：:The injury to vascular endothelium seen in severe bacterial infection may be mediated by neutrophil-derived enzymes. Neutrophil adhesion to endothelium, a prerequisite for this process, is mediated sequentially by the leukocyte adhesion molecules L-selectin and the beta 2 integrins, including CD11b/CD18. We have explo...

journal_title：Annals of the New York Academy of Sciences

authors： Finn A,Strobel S,Levin M,Klein N

更新日期：1994-05-28 00:00:00

abstract：:We have successfully expressed the active tyrosinase of Streptomyces antibioticus in Escherichia coli under the control of the trp promoter by fusing the sequence to the ORF438 gene. Because our attempt to connect the polycistronic gene of ORF438 and tyrosinase directly to the trp promoter of E. coli resulted in the e...

journal_title：Annals of the New York Academy of Sciences

authors： Han K,Hong J,Lim HC,Kim CH,Park Y,Cho JM

更新日期：1994-05-02 00:00:00

abstract：:Intracellular foreign protein (beta-galactosidase) expression in recombinant CHO cell lines in continuous culture was analyzed by developing a mathematical model that includes the effects of metabolic burden and cell cycle dependence of intracellular foreign protein expression. This combined growth kinetic and cell cy...

journal_title：Annals of the New York Academy of Sciences

authors： Gu MB,Todd P,Kompala DS

更新日期：1994-05-02 00:00:00

abstract：:Macrolide and polyether biosynthesis in actinomycetes is regulated at the level of precursor supply by effects of nutrients on the sources of the low-molecular-weight fatty acids used to build the carbon framework of these antibiotics. Ammonium ion appears to suppress the first enzymes of valine and threonine cataboli...

journal_title：Annals of the New York Academy of Sciences

authors： Tang L,Zhang YX,Hutchinson CR

更新日期：1994-05-02 00:00:00

abstract：:Mounting evidence suggests that oxidative processes contribute to the pathogenesis of atherosclerosis and that antioxidants may represent a strategy to complement the lowering of lipids in the therapy of this disease. Although multiple molecular events have been identified in vitro and although it is tempting to ascri...

journal_title：Annals of the New York Academy of Sciences

authors： Sigal E,Laughton CW,Mulkins MA

更新日期：1994-04-18 00:00:00

abstract：:Activated platelets and leukocytes release potent vasoactive factors that may modulate vascular tone. Activation of normal platelets produces dilatation of normal arteries. Vasodilatation is mediated by adenosine diphosphate (ADP), which releases endothelium-derived relaxing factor (EDRF) from endothelium. In atherosc...

journal_title：Annals of the New York Academy of Sciences

authors： Kaul S,Padgett RC,Heistad DD

更新日期：1994-04-18 00:00:00

abstract：:The role of acid-base interactions during coordinated acinar and duct cell secretion in the exocrine pancreas is described. The sequence of acid-base events may be summarized as follows: (1) Sorting of secretory proteins and membrane components into the regulated secretory pathway of pancreatic acinar cells is trigger...

journal_title：Annals of the New York Academy of Sciences

authors： Freedman SD,Scheele GA

更新日期：1994-03-23 00:00:00

abstract：:Jackson's Personality Research Form E (PRF) was administered to a large, heterogeneous group of adult inpatients with diagnoses of alcohol and/or drug dependence. Cluster analysis of PRF factor scores yielded five distinct patient subtypes: hostile-dependent, cooperative-nonreflective, socially uninvolved, impulsive-u...

journal_title：Annals of the New York Academy of Sciences

authors： Allen JP,Fertig JB,Mattson ME

更新日期：1994-02-28 00:00:00

abstract：:Our data show that when substance abusers are subtyped simultaneously by antisocial personality disorder and the onset of depression relative to alcohol or drug abuse, groups of people with unique personality and affective profiles are identified. The profiles are represented by measures of affect-related personality ...

journal_title：Annals of the New York Academy of Sciences

authors： Epstein EE,Ginsburg BE,Hesselbrock VM,Schwarz JC

更新日期：1994-02-28 00:00:00

abstract：:In preindustrial settings, biological, economic, and social mechanisms caused fertility to respond to feedback signals from population size variation in such a way as to steer populations toward equilibrium levels. It is unlikely that the relevant signal was population density; more plausibly the signal was economic w...

journal_title：Annals of the New York Academy of Sciences

authors： Lee R

更新日期：1994-02-18 00:00:00

abstract：:In a retrospective studies of spontaneous abortion, bias can arise if the investigator restricts attention to the outcome of the most recent pregnancy. Bias happens because couples tend to replace spontaneous abortions with other pregnancies until they achieve a live birth, after which they may avoid conception for a ...

journal_title：Annals of the New York Academy of Sciences

authors： Weinberg CR,Baird DD,Wilcox AJ

更新日期：1994-02-18 00:00:00

abstract：:Data on 3080 mother-infant pairs from Cebu in the Philippines were used to conduct a logistics hazards analysis to determine the effect of supplemental calories and the types of supplements that the infant ingests on return to menses. Breast feeding had a significant reduced odds of the mother returning to menses (od...

journal_title：Annals of the New York Academy of Sciences

authors： Zohoori N

更新日期：1994-02-18 00:00:00

abstract：:The availability of new food composition carotenoid values for fruits and vegetables increases our ability to test hypotheses concerning the role of antioxidant nutrients and cancer risk. To estimate the usual carotenoid intakes, a quantitative diet history covering a one-year period is recommended for epidemiologic s...

journal_title：Annals of the New York Academy of Sciences

authors： Hankin JH,Le Marchand L,Kolonel LN,Wilkens LR

更新日期：1993-12-31 00:00:00

abstract：:In this short review, we have described studies that have identified Arg415 in the Ca2+ release channel as a residue that influences channel sensitivity to Ca2+ induced Ca2+ release, rate of Ca2+ release, and channel closing. We have also described studies that confirm Dr. Numa's predictions that residues 4246-4267, 4...

journal_title：Annals of the New York Academy of Sciences

authors： MacLennan DH,Chen SR

更新日期：1993-12-20 00:00:00

abstract：:Our molecular studies have revealed the existence of a large number of different subunits or subtypes for the NMDA and metabotropic glutamate receptors. The individual receptors show functional variabilities and distinct expression patterns in the CNS. The NMDA receptors belong to the ligand-gated ion channel family a...

journal_title：Annals of the New York Academy of Sciences

authors： Masu M,Nakajima Y,Moriyoshi K,Ishii T,Akazawa C,Nakanashi S

更新日期：1993-12-20 00:00:00

abstract：:Nicotinamide can protect the NOD mouse from diabetes if given early enough and in sufficient dose. The effect partly wanes with time. There is reduced islet inflammation. Similar protective effects can be demonstrated in quasi-experimental interventions in humans--both diabetes related and unrelated deemed at risk of ...

journal_title：Annals of the New York Academy of Sciences

authors： Elliott RB,Pilcher CC,Stewart A,Fergusson D,McGregor MA

更新日期：1993-11-30 00:00:00

abstract：:Anatomic and electrophysiologic studies have provided evidence that CRF meets some of the criteria as a neurotransmitter in the noradrenergic nucleus, the locus coeruleus (LC), although some of the criteria have yet to be satisfied. Thus, immunohistochemical findings suggest that CRF innervates the LC, but this must b...

journal_title：Annals of the New York Academy of Sciences

authors： Valentino RJ,Foote SL,Page ME

更新日期：1993-10-29 00:00:00

abstract：:Experimental data together with clinical studies have generated information about the association between sympathetic nervous system activity and immunity as measured by in vitro correlates of cellular immune function. In addition, studies on the in vivo role of central CRF in coordinating sympathetic outflow and modu...

journal_title：Annals of the New York Academy of Sciences

authors： Irwin M

更新日期：1993-10-29 00:00:00

abstract：:It has been suggested that obese children have increased problems with self-esteem and depression when compared to the normal pediatric population. Fifty-one consecutive patients enrolled in a hospital based weight management program received the CDI and the PHSCS as part of their initial evaluation. There were 24 mal...

journal_title：Annals of the New York Academy of Sciences

authors： Sheslow D,Hassink S,Wallace W,DeLancey E

更新日期：1993-10-29 00:00:00

abstract：:Thirty percent of 51 obese adolescent girls seeking treatment for their obesity engaged in binge eating. Two psychometric measures, "disinhibition" and "happiness and satisfaction" predicted 63% of the variance in severity of binge eating. There was no difference in the history of dieting between obese subjects who bi...

journal_title：Annals of the New York Academy of Sciences

authors： Berkowitz R,Stunkard AJ,Stallings VA

更新日期：1993-10-29 00:00:00

abstract：:A four- to fivefold overexpression of the gene for the Alzheimer beta/A4 amyloid precursor protein (APP) in individuals with Down's Syndrome (DS) appears to be responsible for the fifty year earlier onset of Alzheimer's disease (AD) pathology in DS compared to the normal population. It is therefore likely that a dereg...

journal_title：Annals of the New York Academy of Sciences

authors： Beyreuther K,Pollwein P,Multhaup G,Mönning U,König G,Dyrks T,Schubert W,Masters CL

更新日期：1993-09-24 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：:Huperzine A has been shown to be useful in the treatment of symptoms of dementia of the Alzheimer type. Our initial attempts to synthesize (-)Huperzine A resulted in the racemic mixture of (+/-)Huperzine A. We have therefore compared the in vitro and in vivo effects of (+/-)Huperzine A with those of (-)Huperzine A in ...

journal_title：Annals of the New York Academy of Sciences

authors： Hanin I,Tang XC,Kindel GL,Kozikowski AP

更新日期：1993-09-24 00:00:00

abstract：:Membrane phospholipid metabolism is abnormal in Alzheimer's disease (AD) brain. Phosphatidylcholine and phosphatidylethanolamine levels are decreased as are choline and ethanolamine, while glycerophosphocholine (GPC) and glycerophosphoethanolamine are increased. To develop a rat model for these changes, we examined th...

journal_title：Annals of the New York Academy of Sciences

authors： Holmes TC,Nitsch RM,Erfurth A,Wurtman RJ

更新日期：1993-09-24 00:00:00

abstract：:Several reports addressed the issue of how the alternative splicing of exon 7 and 8 in the APP pre-mRNA is regulated in different tissues. Of special interest here was the potential involvement of exon 7 containing APP splice isoforms, since this exon codes for a serine protease inhibitor and is therefore of putative ...

journal_title：Annals of the New York Academy of Sciences

authors： Sandbrink R,Banati R,Masters CL,Beyreuther K,König G

更新日期：1993-09-24 00:00:00

abstract：:Release of the amyloid precursor protein (APP) of Alzheimer's disease from Swiss 3T3 fibroblasts was stimulated in a concentration-dependent manner by phorbol 12-myristate 13-acetate. In fibroblasts overexpressing protein kinase C alpha (PKC alpha), the EC50 for this response was 7 nM, while in control cells the EC50 ...

journal_title：Annals of the New York Academy of Sciences

authors： Slack BE,Nitsch RM,Livneh E,Kunz GM Jr,Eldar H,Wurtman RJ

更新日期：1993-09-24 00:00:00

abstract：:In all patients and volunteers, the levels of immunoreactive SP measured in saliva were about 100 times higher than the levels measured in plasma. SP per mg protein was consistently lower in both plasma and saliva of chronic pain patients than in healthy volunteers. These findings suggest that a simple noninvasive obj...

journal_title：Annals of the New York Academy of Sciences

authors： Parris WC,Sastry BV,Kambam JR,Naukam RJ,Johnson BW

更新日期：1993-09-20 00:00:00

abstract：:Saliva testing for drugs of abuse can provide both qualitative and quantitative information on the drug status of an individual undergoing testing. Self-administration by the oral, intranasal, and smoking routes often produces "shallow depots" of drug that contaminate the oral cavity. This depot produces elevated drug...

journal_title：Annals of the New York Academy of Sciences

authors： Cone EJ

更新日期：1993-09-20 00:00:00