Arteriolar smooth muscle calcium dynamics in hamster cheek pouch in vivo

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منابع مشابه

Innovative Methodology Arteriolar smooth muscle Ca dynamics during blood flow control in hamster cheek pouch

Brekke, Johan Fredrik, William F. Jackson, and Steven S. Segal. Arteriolar smooth muscle Ca dynamics during blood flow control in hamster cheek pouch. J Appl Physiol 101: 307–315, 2006. First published February 2, 2006; doi:10.1152/japplphysiol.01634.2005.—Intracellular calcium concentration ([Ca ]i) governs the contractile status of arteriolar smooth muscle cells (SMC). Although studied in vit...

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Carcinogenesis in the Hamster Cheek Pouch

Pouches from three experimental and one control animal were excised for analysis at various times during the first week and thereafter each week of carcinogen application (9,10-dimethyl-l ,~-benzanthracene) until the 131h week, at which time large tumors were present in all remaining aninmls. IIistologic progression from normal through inflanmmtion, uniform hyperplasia, localized premalignant h...

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Resolution of smooth muscle and endothelial pathways for conduction along hamster cheek pouch arterioles.

In the cheek pouch of anesthetized male hamsters, microiontophoresis of Ach (endothelium-dependent vasodilator) or phenylephrine (PE; smooth muscle-specific vasoconstrictor) onto an arteriole (resting diameter, 30-40 microm) evokes vasodilation or vasoconstriction (amplitude, 15-25 microm), respectively, that conducts along the arteriolar wall. In previous studies of conduction, endothelial and...

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Regulation of flow and wall shear stress in arteriolar networks of the hamster cheek pouch.

Our purpose was to define arteriolar network hemodynamics during moderate increases in interstitial adenosine or nitric oxide in the hamster (n = 34, pentobarbital sodium 70 mg/kg) cheek pouch tissue. The network consists of a feed arteriole (approximately 12-microm diameter, approximately 800-microm length) with three to six branches. Observations of diameter, red blood cell flux, and velocity...

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Spontaneous differentiated squamous cell carcinoma of cheek pouch in a Syrian hamster

A 2-year-old male hamster was presented because of left facial swelling and salivation. Necropsy wasperformed and affected cheek pouch with tissue samples of regional and internal organs were submitted forhistopathological study. In histopathological examination it was found that the tumor consisted of cords andislands of tumoric epithelial cells which were diffused in the dermis. Vacoulation o...

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ژورنال

عنوان ژورنال: The FASEB Journal

سال: 2006

ISSN: 0892-6638,1530-6860

DOI: 10.1096/fasebj.20.4.a273