R Rybczynski
Overview
Explore the profile of R Rybczynski including associated specialties, affiliations and a list of published articles.
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19
Citations
260
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Recent Articles
1.
Rewitz K, Rybczynski R, Warren J, Gilbert L
Biochem Soc Trans
. 2006 Nov;
34(Pt 6):1256-60.
PMID: 17073797
The developmental events occurring during moulting and metamorphosis of insects are controlled by precisely timed changes in levels of ecdysteroids, the moulting hormones. The final four sequential hydroxylations of steroid...
2.
Rybczynski R, Gilbert L
Mol Cell Endocrinol
. 2003 Aug;
205(1-2):159-68.
PMID: 12890578
The synthesis of ecdysteroids by the lepidopteran prothoracic gland is regulated by a brain neuropeptide hormone, prothoracicotropic hormone (PTTH). In Manduca sexta glands, PTTH stimulates several events including Ca(2+) influx,...
3.
Rybczynski R, Bell S, Gilbert L
Mol Cell Endocrinol
. 2001 Nov;
184(1-2):1-11.
PMID: 11694336
Ecdysteroid hormones are crucial in controlling the growth, molting and metamorphosis of insects. The predominant source of ecdysteroids in pre-adult insects is the prothoracic gland, which is under the acute...
4.
Gilbert L, Rybczynski R, Song Q, Mizoguchi A, Morreale R, Smith W, et al.
Insect Biochem Mol Biol
. 2000 Sep;
30(11):1079-89.
PMID: 10989295
Multiple assays were conducted in order to determine if the recently available recombinant prothoracicotropic hormone (rPTTH) from Manduca sexta is identical, or similar, to the natural hormone and if results...
5.
Rybczynski R, Gilbert L
Insect Biochem Mol Biol
. 2000 Jun;
30(7):579-89.
PMID: 10844250
The brain neuropeptide prothoracicotropic hormone (PTTH) stimulates a rapid increase in ecdysteroid hormone synthesis that is accompanied by general and specific increases in protein synthesis, including that of a 70...
6.
Henrich V, Rybczynski R, Gilbert L
Vitam Horm
. 1999 Feb;
55:73-125.
PMID: 9949680
No abstract available.
7.
Gilbert L, Song Q, Rybczynski R
Invert Neurosci
. 1998 Oct;
3(2-3):205-16.
PMID: 9783446
The ecdysteroid hormones, mainly 20-hydroxyecdysone (20E), play a pivotal role in insect development by controlling gene expression involved in molting and metamorphosis. In the model insect Manduca sexta the production...
8.
Rybczynski R, Gilbert L
Mol Cell Endocrinol
. 1998 Sep;
141(1-2):141-51.
PMID: 9723895
A rapid increase in ecdysteroid hormone synthesis results when the insect prothoracic gland is stimulated with prothoracicotropic hormone (PTTH), a brain neuropeptide hormone. PTTH also stimulates the specific synthesis of...
9.
Rybczynski R, Mizoguchi A, Gilbert L
Gen Comp Endocrinol
. 1996 May;
102(2):247-54.
PMID: 8998969
Prothoracicotropic hormone (PTTH) controls the synthesis of ecdysteroids (molting hormones) by the insect prothoracic gland and thereby plays a critical role in insect growth, molting, and metamorphosis. PTTH has been...
10.
Rybczynski R, Gilbert L
Mol Cell Endocrinol
. 1995 Nov;
115(1):73-85.
PMID: 8674867
In Manduca sexta, ecdysteroids coordinate molting and metamorphosis of insects and are produced by the prothoracic glands under the acute control of the brain neuropeptide prothoracicotropic hormone (PTTH). PTTH stimulates...