The Sprite Blog Photo's Contact


Skip to main content directory maps calendar news gifting search this site: login arylsulfatase a deficiency causes seminolipid accumulation and a lysosomal storage disorder in sertoli cells. viagra pills Title arylsulfatase a deficiency causes seminolipid accumulation and a lysosomal storage disorder in sertoli cells. much does viagra cost uk prescription Publication type journal article year of publication 2011 authors xu, h, kongmanas k, kadunganattil s, smith ce, rupar t, goto-inoue n, hermo l, faull kf, tanphaichitr n journal journal of lipid research volume 52 issue 12 pagination 2187-97 date published 2011 dec issn 0022-2275 keywords animals, cerebroside-sulfatase, fertility, galactolipids, glycolipids, lysosomal storage diseases, lysosomes, male, mice, mice, inbred c57bl, sertoli cells, spermatogenesis abstract sulfogalactosylglycerolipid (sgg) is the major sulfoglycolipid of male germ cells. viagra kaufen spanien During spermatogenesis, apoptosis occurs in >50% of total germ cells. Sertoli cells phagocytose these apoptotic germ cells and degrade their components using lysosomal enzymes. much does viagra cost insurance Here we demonstrated that sgg was a physiological substrate of sertoli lysosomal arylsulfatase a (arsa). how long does viagra last after taking it Sgg accumulated in sertoli cells of arsa(-/-) mice, and at 8 months of age, this buildup led to lysosomal swelling and other cellular abnormalities typical of a lysosomal storage disorder. This disorder likely compromised sertoli cell functions, manifesting as impaired spermatogenesis and production of sperm with near-zero fertilizing ability in vitro. Fecundity of arsa(-/-) males was thus reduced when they were older than 5 months. order viagra online Sperm sgg is known for its roles in fertilization. Therefore, the minimal sperm fertilizing ability of 8-month-old arsa(-/-) males may be explained by the 50% reduction of their sperm sgg levels, a result that was also observed in testicular germ cells. discount viagra online These unexpected decreases in sgg levels might be partly due to depletion of the backbone lipid palmitylpalmitoylglycerol that is generated from the sgg degradation pathway in sertoli cells and normally recycled to new generations of primary spermatocytes for sgg synthesis. viagra cost Alternate journal j. Lipid res. quando si usa viagra Updated: 9 aug 2012 public post originally created: 9 aug 2012   current author: system admin explore more of the semel institute's work: research centers and programs domains cores collaboration participate education residency fellowshi. buy viagra without prescription buy viagra online UPDATE:  According to I am the first in the Republic of Ireland but first in Ireland goes to Robert Cobain who captured one in 2005 January from Bangor, Co. Down, Northern Ireland.

Could I possibly be the first person to capture a Sprite from Ireland???

Captured from South Dublin, Ireland on the 26th of October 2011 at 01:25:39 hrs

There is a uniform slight brightness on frame 36 at 01:25:39.855

Trigger image is frame 37 at 01:25:39.887

Frame 38 at 01:25:39.934 has no irregularities, ~66 frames captured altogether @ 25FPS

What is a Sprite? (

Sprites are large-scale electrical discharges that occur high above a thunderstorm cloud, or cumulonimbus, giving rise to a quite varied range of visual shapes. They are triggered by the discharges of positive lightning between the thundercloud and the ground. The phenomena were named after the mischievous sprite (air spirit) Puck in Shakespeare's A Midsummer Night's Dream. They normally are coloured reddish-orange or greenish-blue, with hanging tendrils below and arcing branches above their location, and can be preceded by a reddish halo. They often occur in clusters, lying 50 kilometres (31 mi) to 90 kilometres (56 mi) above the Earth's surface. Sprites were first photographed on July 6, 1989 by scientists from the University of Minnesota and have since been witnessed tens of thousands of times. Sprites have been mentioned as a possible cause in otherwise unexplained accidents involving high altitude vehicular operations above thunderstorms.