نتایج جستجو برای: tl moment

تعداد نتایج: 68276  

Journal: :Journal of neurology, neurosurgery, and psychiatry 2004
M E Lacruz G Alarcón N Akanuma F C K Lum N Kissani M Koutroumanidis N Adachi C D Binnie C E Polkey R G Morris

OBJECTIVE To compare the neuropsychological effects of temporal lobectomy (TL) and amygdalohippocampectomy (AH), depending on whether the patients had passed or failed the Wada test. METHODS We compared changes in neuropsychological scores in patients who underwent TL (n = 91) or AH (n = 15), and had passed or failed the Wada test. Comparisons were carried out in all 106 patients and among th...

2008
Elissa S. Epel Sharon Stein Merkin Richard Cawthon Elizabeth H. Blackburn Nancy E. Adler Mark J. Pletcher Teresa E. Seeman

Telomere length (TL) has been proposed as a marker of mitotic cell age and as a general index of human organismic aging. Short absolute leukocyte telomere length has been linked to cardiovascular-related morbidity and mortality. Our aim was to test whether the rate of change in leukocyte TL is related to mortality in a healthy elderly cohort. We examined a subsample of 236 randomly selected Cau...

1996
L J Curtis

Lifetimes are reported for the 6s6p P1, 6s6d D2 and 6s7s S0 levels in Hg-like Tl II, measured using beam-foil excitation. The values obtained were τ(P1) = 0.59 ± 0.02 ns, τ(P1) = 39 ± 2 ns, τ(D2) = 6.5 ± 0.5 ns, and τ(S0) = 3.0 ± 0.4 ns. Isoelectronic trends for line strengths of the resonance and intercombination transitions are studied through comparisons with earlier measurements for Hg I–Bi...

2009
J. Craig

Introduction: As a primary refractory condensate, forsterite represents an important constituent of many primitive solar system materials such as nebular dust, dust associated with galaxies, and cometary dust [1-11]. Preliminary studies on micrometeorites and the finegrained matrix of Semarkona, a primitive ordinary chondrite, indicate that forsterite is an important component of these material...

Journal: :Blood 2003
Kai-Da Wu Lisa M Orme John Shaughnessy Joth Jacobson Bart Barlogie Malcolm A S Moore

We have investigated the significance of telomerase activity (TA) and telomere length (TL) in multiple myeloma (MM). The analyses were undertaken on CD138+ MM cells isolated from the marrow of 183 patients either at diagnosis or in relapse. There was heterogeneity in telomerase expression; 36% of the patients had TA levels comparable to those detected in normal plasma cells, and 13% of patients...

Journal: :Medicine and science in sports and exercise 2015
Luisa Soares-Miranda Fumiaki Imamura David Siscovick Nancy Swords Jenny Annette L Fitzpatrick Dariush Mozaffarian

INTRODUCTION The influence of physical activity (PA) and physical fitness (PF) at older ages on changes in telomere length (TL)--repetitive DNA sequences that may mark biologic aging--is not well-established. Few prior studies (mainly cross-sectional) have been conducted in older adults, and few studies have evaluated PF. METHODS We investigated cross-sectional and prospective associations of...

Journal: :The Journal of Experimental Medicine 1991
M Wu L van Kaer S Itohara S Tonegawa

The TL region of the major histocompatibility complex of the mouse contains dozens of tandemly arranged class I genes, including those encoding the thymus leukemia (TL) antigens. TL antigens have been thought to be expressed only on the surface of some T lineage cells, namely immature thymocytes of some mouse strains (TL+ strains), some leukemia cells, and activated T cells. While the function ...

2014
Fumihiro MATANO Koji ADACHI Yasuo MURAI Takayuki KITAMURA Ryuji OHASHI Akira TERAMOTO Akio MORITA

Microcystic meningiomas are rare but benign brain tumors. Previous reports have shown that Thallium-201 single-photon emission computed tomography ((201)Tl SPECT) demonstrated a higher late-phase accumulation of (201)Tl in malignant or recurrent meningiomas than in nonaggressive meningiomas. No study has reported (201)Tl SPECT findings in microcystic meningiomas. We here describe a case of a mi...

Journal: :Journal of neurophysiology 2005
Gexin Wang Bin Tang Richard J Traub

Previous studies suggest the lumbosacral (LS) spinal cord processes acute colorectal stimuli whereas the thoracolumbar (TL) and LS spinal segments process inflammatory stimuli. In this study, the effects of colorectal distention (CRD) on TL and LS dorsal horn neuronal activity were recorded in Nembutal-anesthetized male rats both with and without colonic inflammation. Both single cells (before ...

Journal: :The Journal of biological chemistry 2003
Jun-Yong Choe Scott W Nelson Herbert J Fromm Richard B Honzatko

Fructose-1,6-bisphosphatase requires divalent cations (Mg2+, Mn2+, or Zn2+) for catalysis, but a diverse set of monovalent cations (K+, Tl+, Rb+, or NH(4)(+)) will further enhance enzyme activity. Here, the interaction of Tl+ with fructose-1,6-bisphosphatase is explored under conditions that support catalysis. On the basis of initial velocity kinetics, Tl+ enhances catalysis by 20% with a K(a) ...

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