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102. A preliminary study on T-786C endothelial nitric oxide synthase gene and renal hemodynamic and blood pressure responses to dietary sodium
- Creator:
- Dengel, Donald R., Brown, M. D., Ferrell, R. E., Reynolds, T. H., and Supiano, M. A.
- Format:
- print, bez média, and svazek
- Type:
- article, články, model:article, and TEXT
- Subject:
- Fyziologie člověka a srovnávací fyziologie, fyziologie člověka, stárnutí, glomerulární filtrace, human physiology, aging, glomerular filtration, renal plasma flow, 14, and 612
- Language:
- English
- Description:
- The purpose of the present study was to examine the role of the T-786C endothelial nitric oxide synthase (eNOS) gene polymorphism on changes in renal hemodynamics and blood pressure due to Na+ loading. Twenty-eight older (63±1 years), moderately obese (39±2 % fat) hypertensives had th eir glomerular filtration rate (GFR), renal plasma flow (RPF), blood pressure (BP) and plasma nitric oxide (NOx) levels determined after eight days of low (20 mEq) and high (200 mEq) Na+ diets. The two Na+ diets were separated by a 1-week washout period. Subjects were genotyped for the eNOS-786 site and were grouped on whether they were homozygous or heterozygous for the C allele (TC+CC, n=13) or only homozygous for the T allele (TT, n=15). The TC+CC genotype group had a significantly greater increase in diastolic (P=0.021) and mean arterial (P=0.018) BP and a significant decline in both RPF (P=0.007) and GFR (P=0.029) compared to the TT genotype group with Na+ loading. Furthermore, Na+ loading resulted in a significant (P=0.036) increase in plasma NOx in the TT, but not in the TC+CC genotype group as well as a trend (P=0.051) for an increase in urine NOx in TC+CC, but not in the TT genotype group. The increase in BP during Na+ loading in older hypertensives was associated with the eNOS genotype and may be related to changes in renal hemodynamics due to changes in NO metabolism., D. R. Dengel, M. D. Brown, R. E. Ferrell, T. H. Reynolds, M. A. Supiano., and Obsahuje bibliografii a bibliografické odkazy
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
103. A propos du champ sémantique de la purenté en français, en espagnol et en tchèque
- Creator:
- Kadlec, Jaromír
- Format:
- Type:
- model:internalpart and TEXT
- Language:
- English
- Description:
- Ve svém článku se zabýváme srovnáním sémantického pole příbuzenských vztahů ve francouzštině, španělštině a Češtině na základě pěti binárních sémantických opozic. Na základě tohoto srovnání docházíme к závěru, že francouzské termíny vytvářející sémantické pole příbuzenských vztahů jsou sémanticky mnohem vágnější a jejich význam závisí mnohem více na kontextu, než je tomu v případě jejich českých ekvivalentů. Sémantické pole příbuzenských vztahů ve španělštině je založeno na velmi propracovaném systému pojmů označujících příbuzné v linii přímé a na velkém významu protikladu mezi pokrevními a nepokrevními příbuznými. Pro sémantické pole příbuzenských vztahů v češtině je naopak typické mnohem výraznější zastoupení lexikální substituce a menší počet lexikálních jednotek vzniklých derivací a kompozicí. K šémům vytvářejícím pole příbuzenských vztahů ve francouzštině je potřeba připojit v češtině a španělštině sém "předchozí nebo další manželství" pro rozlišení vlastních a nevlastních příbuzných.
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
104. A pure smoothness condition for radó’s theorem for α-analytic functions
- Creator:
- Daghighi, Abtin and Wikström, Frank
- Format:
- print, bez média, and svazek
- Type:
- model:article and TEXT
- Subject:
- matematika, analytické funkce, mathematics, analytic functions, α-analytic function, polyanalytic function, zero set, Radó’s theorem, 13, and 51
- Language:
- English
- Description:
- Let \Omega \subset {{\Bbb C}^n} be a bounded, simply connected \mathbb{C} -convex domain. Let \alpha \in \mathbb{Z}_{+}^{n} and let f be a function on Ω which is separately {C^{2{\alpha _j} - 1}} -smooth with respect to zj (by which we mean jointly {C^{2{\alpha _j} - 1}} -smooth with respect to Rezj, Imzj). If f is α-analytic on Ω\f−1(0), then f is α-analytic on Ω. The result is well-known for the case a_{i}=1, 1\leqslant i\leqslant n even when f a priori is only known to be continuous., Abtin Daghighi, Frank Wikström., and Obsahuje seznam literatury
- Rights:
- http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
105. A redescription and a new geographical record in the Black Sea of Bacciger israelensis Fischthal, 1980 (Trematoda: Fellodistomidae)
- Creator:
- Dimitrov, G.I. and Bray, R.A.
- Format:
- Type:
- model:internalpart and TEXT
- Subject:
- Bacciger israelensis, Boops boops, Black Sea, morphology, and new geographical record
- Language:
- English
- Description:
- Bacciger israelensis Fischthal, 1980 (Trematoda: Fellodistomidae) was recorded from Boops boops (Perciformes: Sparidae) in Bulgarian Black Sea coastal waters for the first time. Re-examination of the morphology of B. israelensis showed some new details: Laurer’s canal opens dorsally a short distance anterior to the excretory pore; seminal receptacle situated posterior to ventral sucker and ventral to ovary; ovary composed of three nearly spherical but not separated lobes forming apexes of isosceles triangle; tegumental spines covering body including entire surface of ventral sucker and distal half of upper part of oral sucker.
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
106. A redescription of the adult male and praniza of Gnathia africana Barnard, 1914 (Crustacea, Isopoda, Gnathiidae) from southern Africa
- Creator:
- Smit, Nico J., Van As, Jo G. , and Basson, Linda
- Format:
- Type:
- model:internalpart and TEXT
- Subject:
- Gnathia africana, redescription, taxonomy, and morphology
- Language:
- English
- Description:
- A redescription of the adult male and praniza of Gnathia africana Barnard, 1914 is provided from material collected at three localities along the South African coast and from syntypes and other material deposited by the original author. This redescription is based on light and scanning electron microscopy.
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
107. A redescription of the adult male of Caecognathia cryptopais (Barnard, 1925) (Crustacea: Isopoda: Gnathiidae) from southern Africa
- Creator:
- Smit, Nico J., Basson, Linda, and Van As, Jo G.
- Format:
- Type:
- model:internalpart and TEXT
- Subject:
- Caecognathia cryptopais, redescription, taxonomy, and morphology
- Language:
- English
- Description:
- A redescription of the adult male of Caecognathia cryptopais (Barnard, 1925) is provided from syntypes and other material deposited in the South African Museum. The generic status of Caecognathia cryptopais is also revised. This redescriplion is based on light and scanning electron microscopy.
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
108. A review of the recent seismic activity in the southern part of Egypt (Upper Egypt)
- Creator:
- Haggag, Hamed Mohamed, Gaber, Hassan Hassib, Sayed, Abdalah Dahy, and Ezzat, Mohamed
- Format:
- print, bez média, and svazek
- Type:
- article, články, model:article, and TEXT
- Subject:
- Geologie. Meteorologie. Klimatologie, seizmicita, seismicity, Asuán (Egypt), Aswan (Egypt), seismic energy, Upper Egypt, 7, and 551
- Language:
- English
- Description:
- Analyzing the earthquake catalogue of the Upper Egypt area since 1982 revealed some char acteristics of the seismic activity in the area. Construction of a seismicity map according to the seismicity level in the Upper Egypt showed 14 seismic zones and that the seismic activity is intense around the stra it of the Gulf of Suez, along the Red Sea axis, Abu Dabbab and Aswan area. While the detailed study of Aswan zone showed 8 distinct sub-seismic zones and that the activity is concentrated in and around Gable Marawa area. The b-value was calculated for each seismic zone; it is found that the highest value is in Abu Dabbab area followed by Aswan area. A seismic energy rele ased map of the Upper Egypt was constructed for the period from 1982 to 2006; the map reveals the main active zones with high energy values. The study gives new insight for a better understanding of the seismic activity in the Upper Egypt and helps in the seismic hazard assessment., Haggag Hamed Mohamed, Gaber Hassan Hassib, Sayed Abdalah Dahy and Ezzat Mohamed El-Amin., and Obsahuje bibliografické odkazy
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
109. A revision of the cleptoparasitic bee genus Coelioxys (Hymenoptera: Megachilidae) from Australia
- Creator:
- Rocha-Filho, Léo Correia da
- Format:
- print, počítač, and online zdroj
- Type:
- article, články, journal articles, model:article, and TEXT
- Subject:
- Zoologie, systematická zoologie, včely, animal classification, Apoidea, Malajské souostroví, Malay Archipelago, revision, taxonomy, new species, Megachilidae, cleptoparasite, Coelioxys, 2, and 59
- Language:
- English
- Description:
- The Australian species of the genus Coelioxys Latreille are revised. Six species are recognized: Coelioxys albolineata Cockerell, 1905; Coelioxys froggatti Cockerell, 1911; Coelioxys reginae Cockerell, 1905; Coelioxys weinlandi Schulz, 1904 and two new species: Coelioxys julia sp. n. and Coelioxys tasmaniana sp. n. Three names are synonymized: Coelioxys biroi Friese, 1909 syn. n. and Coelioxys albolineata darwiniensis Cockerell, 1929 syn. n. under Coelioxys albolineata, and Coelioxys victoriae Rayment, 1935 syn. n. under Coelioxys froggatti. Species descriptions and redescriptions, illustrations, distribution maps, floral records and a key to both sexes of all species are provided., Léo Correia da Rocha-Filho., and Obsahuje bibliografii
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
110. A role for receptor-operated Ca2+ entry in human pulmonary artery smooth muscle cells in response to hypoxia
- Creator:
- Tang, C., To, W. K., Meng, F., Wang, Y., and Gu, Y.
- Format:
- print, bez média, and svazek
- Type:
- article, články, model:article, and TEXT
- Subject:
- Fyziologie člověka a srovnávací fyziologie, hypoxie, hypoxia, Hypoxic pulmonary vasoconstriction (HPV), hPASMC, Transient receptor potential channel (TRPC), AMP-activated kinase (AMPK), 14, and 612
- Language:
- English
- Description:
- Hypoxic pulmonary vasoconstric tion (HPV) is an important homeostatic mechanism in which increases of [Ca2+] i are primary events. In this study, primary cultured, human pulmonary artery smooth muscle cells (hPASMC) were used to examine the role of TRPC channels in mediating [Ca2+] i elevations during hypoxia. Hypoxia (PO2 about 20 mm Hg) evoked a transient [Ca2+] i elevation that was reduced by removal of extracellular calcium. Nifedipine and verapamil, blockers of vo ltage-gated calcium channels (VGCCs), attenuated th e hypoxia-induced [Ca2+] i elevation by about 30 %, suggesting the presence of alternate Ca2+ entry pathways. Expression of TRPC1 an d TRPC6 in hPASMC were found by RT-PCR and confirmed by Western blot analysis. Antagonists for TRPC, 2APB and SKF96365, significantly reduced hypoxia-induced [Ca2+] i elevation by almost 60 %. Both TRPC6 and TRPC1 were knocked down by siRNA, the loss of TRPC6 decreased hypoxic response down to 21 % of control, whereas the knockdown of TRPC1 reduced the hypoxia respon se to 85 %, suggesting that TRPC6 might play a central role in mediating hypoxia response in hPASMC. However, blockade of PLC pathway caused only small inhibition of the hypoxia response. In contrast, AICAR, the agonist of AMP-activated kinase (AMPK), induced a gradual [Ca2+] i elevation, whereas compound C, an antagonist of AMPK, almost abolished the hypoxia response. Ho wever, co-immunoprecipitation revealed that AMPK α was not colocalized with TRPC6. Our data supports a role for TRPC6 in mediation of the [Ca2+] i elevation in response to hypoxia in hPASMC and suggests that this response may be linked to cellular energy status via an activation of AMPK., C. Tang, W. K To, F. Meng, Y. Wang, Y. Gu., and Obsahuje bibliografii
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public