20 hydroxyecdysone/атрафія

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Effect of 20-Hydroxyecdysone on Proteolytic Regulation in Skeletal Muscle Atrophy.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

OBJECTIVE 20-Hydroxyecdystone (20E) is an ecdysteroid hormone which controls molting and reproduction in arthropods. 20E also produces a variety of effects in vertebrates, including enhancing protein synthesis and skeletal muscle regeneration. The effect of 20E on disuse muscle atrophy has not been

The dare gene: steroid hormone production, olfactory behavior, and neural degeneration in Drosophila.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

Steroid hormones mediate a wide variety of developmental and physiological events in insects, yet little is known about the genetics of insect steroid hormone biosynthesis. Here we describe the Drosophila dare gene, which encodes adrenodoxin reductase (AR). In mammals, AR plays a key role in the

In vivo inhibition of vitellogenesis in the Dermapteran Labidura riparia by 20-hydroxyecdysone.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

In previous studies we have described the existence of cyclical changes in ecdysteroid levels during the female reproductive life of the earwig Labidura riparia. High levels of ecdysteroids are observed at the end of each vitellogenic period just before follicle degeneration, in coincidence with the

Effect of 20-hydroxyecdysone on the salivary glands of the male tick, Amblyomma hebraeum.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

Female ticks (Acari: Ixodidae) feed only once in the adult stage, dying after laying a large batch of eggs. During the early post-engorgement stage, haemolymph ecdysteroid titre rises, which is probably responsible for autolysis of the salivary glands that takes place at this time. Males, on the

The steroid hormone 20-hydroxyecdysone enhances neurite growth of Drosophila mushroom body neurons isolated during metamorphosis.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

Mushroom bodies (MBs) are symmetrically paired neuropils in the insect brain that are of critical importance for associative olfactory learning and memory. In Drosophila melanogaster, the MB intrinsic neurons (Kenyon cells) undergo extensive reorganization at the onset of metamorphosis. A phase of

Effects of the steroid hormone, 20-hydroxyecdysone, on the growth of neurites by identified insect motoneurons in vitro.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

During metamorphosis in the hawkmoth, Manduca sexta, identified larval leg motoneurons survive the degeneration of their larval targets to innervate new muscles of the adult legs. The dendrites and axon terminals of these motoneurons regress at the end of the larval stage and then regrow during

Programmed cell death triggered by insect steroid hormone, 20-hydroxyecdysone, in the anterior silk gland of the silkworm, Bombyx mori.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

Silk gland is a larval specific tissue of lepidopteran insects and begins to degenerate shortly before pupation. Programmed cell death (PCD) of the anterior silk gland of Bombyx mori last instar larvae was studied in vivo and in vitro, focusing on the effects of 20- hydroxyecdysone (20E). The glands

Hormonal control of muscle atrophy and degeneration in the moth Antheraea polyphemus.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

The intersegmental muscles of the giant silkmoth Antheraea polyphemus (Cramer) can undergo two forms of degenerative changes: a wasting atrophy that lasts about 6 days or rapid dissolution that is completed within 30 h. Muscle atrophy is induced by a dramatic decline in the endogenous titres of the

Peptide and steroid regulation of muscle degeneration in an insect.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

Two types of cell death occur in the intersegmental muscles of the giant silkmoth Antheraea polyphemus. The first results from a slow atrophy of the fibers, and the second is a rapid, programmed dissolution of the muscle. Both types appear to be mediated by endocrine factors. The slow atrophy is

Female-specific wing degeneration caused by ecdysteroid in the Tussock Moth, Orgyia recens: hormonal and developmental regulation of sexual dimorphism.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

Females of the tussock moth Orgyia recens have vestigial wings, whereas the males have normal wings. During early pupal development, female wings degenerate drastically compared with those of males. To examine whether ecdysteroid is involved in this sex-specific wing development, we cultured pupal

Ecdysteroid-induced programmed cell death is essential for sex-specific wing degeneration of the wingless-female winter moth.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

The winter moth, Nyssiodes lefuarius, has a unique life history in that adults appear during early spring after a long pupal diapause from summer to winter. The moth exhibits striking sexual dimorphism in wing form; males have functional wings of normal size, whereas females lack wings. We

Segment-specific muscle degeneration is triggered directly by a steroid hormone during insect metamorphosis.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

During metamorphosis of the hawkmoth, Manduca sexta, some larval muscles degenerate while others are respecified for new functions. In larvae, accessory planta retractor muscles (APRMs) are present in abdominal segments 1 to 6 (A1 to A6). APRMs serve as proleg retractors in A3 to A6 and body wall

Impact on Salivary Gland Degeneration by Putative Ecdysteroid Antagonists and Agonists in the Ixodid Tick Amblyomma hebraeum

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

Ecdysteroids cause salivary gland degeneration in female ixodid ticks. We tested the effects of the following compounds on salivary gland degeneration in the ixodid tick Amblyomma hebraeum Koch: HHCS (22S,23S-homocastasterone), SSBR (22S,23S-homobrassinolide), STGM

Changes in 30K protein synthesis during delayed degeneration of the silk gland by a caspase-dependent pathway in a Bombyx (silkworm) mutant.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

The silk gland in silkworm (Bombyx mori) is a highly specialized organ that specifically synthesizes silk proteins. A function shift to the synthesis of large quantities of 30K proteins occurs in the degenerating silk gland cells during larval-pupal metamorphosis. The posterior silk gland

Ectopic expression of ecdysone oxidase impairs tissue degeneration in Bombyx mori.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

Metamorphosis in insects includes a series of programmed tissue histolysis and remolding processes that are controlled by two major classes of hormones, juvenile hormones and ecdysteroids. Precise pulses of ecdysteroids (the most active ecdysteroid is 20-hydroxyecdysone, 20E), are regulated by both

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