1,726,225 research outputs found
[Ali Reza Amir-Moez]
No full textUndated photograph of Ali Reza Amir-Moez which is taped to his May 10, 1965, personal and professional data bank form.Ali Reza Amir-Moez was born on April 7, 1919, in Tehran, Iran. He received his M.A. in 1951 and his Ph.D. in 1955, with both degrees coming from the University of California at Los Angeles. In 1965, he was hired as a Professor of Mathematics at Texas Technological College. He retired on August 31, 1988
Estrogen induces nitric oxide production via nitric oxide synthase activation in endothelial cells.
No full textINTRODUCTION
17β-estradiol (E2) has been found to induce vasodilation in the cardiovascular system and at physiological levels, resulting in prevention of cerebral vasospasm following subarachnoid hemorrhage (SAH) in animal models. The goal of this study was to analyze the cellular mechanism of nitric oxide (NO) production and its relation to E2, in vitro in brain and peripheral endothelial cells.
METHODS
Human umbilical endothelial cells (HUVEC) and brain endothelial cells (bEnd.3) were treated with estradiol (E2, 0.1, 10, 100, and 1,000 nM), and supernatant was collected at 0, 5, 15, 30, 60, and 120 min for nitric oxide metabolome (nitrite, NO₂) measurements. Cells were also treated with E2 in the presence of 1400W, a potent eNOS inhibitor, and ICI, an antagonist of estradiol receptors (ERs). Effects of E2 on eNOS protein expression were assessed with Western blot analysis.
RESULTS
E2 significantly increased NO2 levels irrespective of its concentration in both cell lines by 35 % and 42 % (p 0.05). The combination of E2 (10 nM) and a NOS inhibitor (1400W, 5 μM) inhibited NO2 increases in addition (4 %, p > 0.05). E2 induced increases in eNOS protein levels and phosphorylated eNOS (eNOS(p)).
CONCLUSIONS
This study indicates that E2 induces NO level increases in cerebral and peripheral endothelial cells in vitro via eNOS activation and through E2 receptor-mediated mechanisms. Further in vivo studies are warranted to evaluate the therapeutic value of estrogen for the treatment of SAH-induced vasospasm
L'UE: evoluzione, istituzioni, rapporto con gli Stati membri
No full textArticolo sul problema del deficit democratico e la cessione di sovranità all'interno delle relazioni tra UE e Stati membr
Sanctions and The Origin of Social Changes in Destination Countries : the Iranian Case
No full textIntervento riguardante l'impatto delle sanzioni economiche della comunità internazionale sulla politica e sulla società iraniana, pubblicato in Geostrategiques 40, pubblicazione della Académie de Géopolitique de Pari
Geopolitica dell'Islam sciita
No full textArticolo sulla diffusione e l'impatto politico mediorientale della confessione sciita dell'Isla
Alcune particolarità della forma di governo della Repubblica Islamica dell’Iran da Khomeini a Rohani
No full textThe Constitution of the Islamic Republic of Iran is a model between democracy
and Islamic theocracy. In fact the principles of Sharia, the Islam law, are very
important in the Iranian system, but this isn’t a question that can completely exclude
the rule of law and constitutionalism. The Iranian state is a unique model in the
Islamic word, maybe for the reason that Iran is a Muslim Shia country and not, as
many other Middle East and Muslim country a Sunni state, in which there is a partial
balance of powers and an independent parliament and a direct-elected President.
But the central point of this “constitutional theocratic” model is the role of the
Supreme Leader who is the guarantee of the application of Islamic law in the
system. The real source of this unique model is the theory of “Velayate faqih”
founded by Ayatollah Khomeini, the first Supreme Leader of Iran after the fall of
Monarchy in 1979
Studies on the VP7 and VP3 genes of human group C rotavirus
No full textThe sequence of cloned VP7 gene of human group C rotavirus was verified by automated DNA sequence analysis. The VP7 fragment was then cloned into pSP64 and the coupled in vitro transcription/translocation produced a 38kDa protein confirming the existence of an ORF in the segment. VP7 was expressed in E. coli using a vector (pMAL) which created a maltose binding protein fusion protein. The fusion protein is designed to be cleaved with the specific protease factor Xa. However, cleavage of the fusion protein with factor Xa was not successful. This material was not considered useful for developing a serological assay because immunisation of mice showed an antibody response only to MBP part of the fusion protein.For the second part of the thesis, work was concentrated on characterisation of the rotavirus core protein genes VP1, VP2, and VP3. A group C rotavirus cDNA library was screened and clones representing the 5' termini of genome segment 1 and 2 were identified. Further analysis revealed a full-length recombinant of genome segment 4. The complete nucleotide sequence of genome segment 4 from human group C rotavirus (Bristol strain) was determined. Comparison of the nucleotide sequences of the genome termini with the consensus 5' and 3- terminal non-coding sequences of the human group C rotavirus genome revealed characteristic 5' and 3' sequence motifs. Human group C rotavirus genome segment 4 is 2, 166bp long and encodes a single open reading frame of 2,082 nucleotides (693 amino acids) starting at nucleotide 55 and terminating at nucleotide 2,136 giving a 3' untranslated region of 30 nucleotides. Analogy with the group A rotaviruses suggested that the genome segment 4 encodes the group C rotavirus guanyltransferase.</p
Islam, Costituzione, diritti umani. Il peso della sharia sugli ordinamenti costituzionali
No full textLa tesi analizza le particolarità che caratterizzano il fenomeno della relazione tra costituzionalismo, diritti umani e Islam, principalmente all’interno del mondo islamico, dal punto di vista dell’evoluzione storica del pensiero giuridico, costituzionale e politico. Vi è qui una particolare attenzione ad alcuni modelli islamici, contraddistinti dalla coesistenza di principi islamici e democratici. L’obiettivo della ricerca è quello di valutare il dualismo legale dei sistemi islamici contemporanei, tra principi democratici e legge divina, e la compatibilità tra Islam, costituzionalismo e modernità. La questione è trattata con particolare riguardo alla materia dell’esercizio del potere così come del riconoscimento e della tutela dei diritti. La conoscenza di un ordinamento e dell’insieme delle specificità che lo caratterizzano è la via maestra per avviare un dialogo futuro tra culture, tale da individuare la via per la convergenza dei modelli, che, nel caso di specie, si sostiene passi attraverso un approccio riconducibile al relativismo costituzionale, capace di garantire la tutela del pluralismo, dei diritti e dell’eguaglianza dei singoli, senza rinunciare al riferimento etico e religioso a cui questi ordinamenti fanno richiamo, ovviamente nel limite di quello che può essere la visione islamica del diritto pubblico.The thesis analyzes the peculiarities that characterize the phenomenon of the relationship between constitutionalism, human rights and Islam, mainly within the Islamic world, with a historical evolution of legal, constitutional and political thought. There is particular attention to some Islamic models, characterized by a coexistence between Islamic and democratic principles. The aim of this study is to evaluate the legal duality of Islamic contemporary model, between democratic principles and divine law and the compatibility of Islam with constitutionalism and modernity. The issue is analyzed with particularly in regard to the exercise of power as well as the recognition and protection of rights. The knowledge of a legal system and the issues and specificities that characterize it is the main way to start a future dialogue between cultures, such as to identify the way for the convergence of the models, which, in this case, it is argued through an approach due to constitutional relativism, able to ensure the protection of pluralism, human rights and equality of the individual, without sacrificing the ethical and religious reference of Islamic law, of course within the limits of what can be the Islamic view of the public law
Dossier Iran e Vicino Oriente. Ricerche e analisi di diritto costituzionale, scienze politiche e relazioni internazionali
No full textRicerca su alcuni aspetti del diritto costituzionale iraniano e della geopolitica del Vicino Oriente
Wireline sedimentology : resedimented volcaniclastites
No full textThe main focus of this thesis is to explore and develop the application of wireline logs in solving sedimentological problems, and so to further underline the importance of Wireline Sedimentology as a distinct discipline. The principal logs used are Formation MicroScanner (FMS) images, together with dipmeter-microresistivity, gamma ray and geochemical plots, taken during ODP Leg 129 in the Pigafetta and E. Mariana Basins, W. Central Pacific. Seven resedimented volcaniclastic facies including slumps, debrites, and turbidites are recognised within thick (115-221 m) but poorly recovered (4-68%) Cretaceous and Miocene-Pliocene volcaniclastic units. A combination of wireline logs calibrated or correlated with recovered intervals and with known signatures, can be used to delineate facies in poorly recovered and badly disturbed coring intervals and hence to construct a complete borehole record of FMS image descriptions (FIDs). From these, it is possible to identify macro-, meso- and microsequences (> 100, 10-100 & < 10m thick respectively) of turbidite facies on the basis of bed-thickness trends. Whereas the macro- and mesosequences are a response to allocyclic volcano-tectonic controls, both oscillation and saw-tooth microsequences reflect autocyclic controls, including turbidite compensation effects. A new model for the sedimentary successions developed around volcanic archipelagoes and within mid-ocean basins is presented, taking into account the types of sequence observed and their likely controls. Since FMS images formed the basis of all interpretations outlined above, a scheme defining the context of FMS image data sequences is proposed, that includes: physical, global, and local contexts. This method of approach can be used in part or in full to document even very fine scale sedimentological features and to interpret their origin (e.g., bed pinch-out direction, based on cross-lamination or bioturbation).</p
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