نتایج جستجو برای: b1
تعداد نتایج: 19828 فیلتر نتایج به سال:
The neural networks in the crustacean stomatogastric ganglion are modulated by neuroactive substances released locally into the neuropil of the stomatogastric ganglion and by circulating hormones released by neuroendocrine structures including the pericardial organs. Using nanoscale liquid chromatography coupled to electrospray ionization quadrupole-time-of-flight mass spectrometry, we have ide...
This paper is devoted to the study of semi-stable radial solutions u ∈ H1(B1) of −∆u = g(u) in B1 \ {0}, where g ∈ C (R) is a general nonlinearity and B1 is the unit ball of R N . We establish sharp pointwise estimates for such solutions. As an application of these results, we obtain optimal pointwise estimates for the extremal solution and its derivatives (up to order three) of the semilinear ...
tb-triple = {planta part-of floresta} (plant part-of forest) A1: relação, quadro, planta, mapa B1: bosque, floresta, mata, brenha, selva A2: vegetal, planta A3: traçado, desenho, projeto, planta, plano plausible sb-triples = {A2, B1} tb-triple = {passageiro purpose-of carruagem} (passenger purpose-of carriage) A1: passageiro, viajante B1: carriagem, carruagem, carraria A2: passageiro, viador B2...
Cyclin B1 tracking provides information on cell cycle progression and cell-cycle regulator dynamics. We have developed a mathematical model which describes the continuous tracking of cyclin B1 through the cell cycle at the single cell level, including interactions with the cyclin B1 inhibitor, p21. The cell line used is a cancer cell line, human osteosarcoma (U-2 OS). An examination of the sens...
RATIONALE Cardiac tissue cohesion relying on highly ordered cardiomyocytes (CM) interactions is critical because most cardiomyopathies are associated with tissue remodeling and architecture alterations. OBJECTIVE Eph/ephrin system constitutes a ubiquitous system coordinating cellular communications which recently emerged as a major regulator in adult organs. We examined if eph/ephrin could pa...
2 Seiberg-Witten invariants of closed 3-manifolds 9 2.1 Generalities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.2 The case b1 > 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2.3 The case b1 = 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2.4 The case b1 = 0 . . . . . . . . . . . . . . . . . . . . . . . . . . ...
An acidic luminal pH in the epididymis contributes to maintaining sperm quiescent during their maturation and storage. The vacuolar H(+)ATPase (V-ATPase), located in narrow and clear cells, is a major contributor to luminal acidification. Mutations in one of the V-ATPase subunits, ATP6v1B1 (B1), cause distal renal tubular acidosis in humans but surprisingly, B1(-/-) mice do not develop metaboli...
BACKGROUND At M phase, cyclin B1 is phosphorylated in the cytoplasmic retention sequence (CRS), which is required for nuclear export. During interphase, cyclin B1 shuttles between the nucleus and the cytoplasm because constitutive nuclear import is counteracted by rapid nuclear export. In M phase, cyclin B moves rapidly into the nucleus coincident with its phosphorylation, an overall movement t...
Compounds AT2433-A1 (A1), AT2433-A2 (A2), AT2433-B1 (B1), and AT2433-B2 (B2) were isolated from the cultured broth of Actinomadura melliaura sp. nov. (SCC 1655). Structurally these materials are closely related to rebeccamycin (1), an indolocarbazole antitumor antibiotic. A1, A2, B1, and B2 were active against Staphylococcus aureus A9537, Streptococcus faecalis A20688, Streptococcus faecium (AT...
Some cancer cells evade elimination by virtue of their insensitivity to agents that induce apoptosis. Conversely, the side effects of anticancer agents could be diminished if normal cells were more resistant. To further elucidate the factors that contribute to the susceptibility of a cell to apoptosis, these investigations were designed to identify proteins isolated from cells exposed to low co...
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