hyperplasia/prolină

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Fascioliasis: role of proline in bile duct hyperplasia.

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In animals fascioliasis, extensive hyperplasia of the main bile duct occurs that often results in enlargement of the duct to more than 20 times the normal. We report that proline infused into the abdominal cavity of rats caused hyperplasia of the bile duct resembling that produced in the early

Fascioliasis: bile duct collagen induced by proline from the worm.

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We investigated whether collagen increases occur in the bile duct during fascioliasis, and their relationship to the release of proline by the worm. Experiments showed increased levels of collagen in the bile ducts of rats following 2 wk of infusion with proline or i.p. implantation with Fasciola.

Hepatic proline after bile duct ligation in rats.

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Since biliary hyperplasia of fascioliasis correlated with hepatic proline level, we examined the occurrence of a similar chemical stimulus during bile obstruction. Uptake of tritiated proline and glycine rose in both hepatocytes and a bile duct enriched cell fraction, following duct ligation in

Whole-exome sequencing of lobular endocervical glandular hyperplasia.

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Lobular endocervical glandular hyperplasia (LEGH) was first reported as a benign proliferative disorder of the uterine cervix. However, it currently remains unclear whether it has the biological characteristics of pyloric metaplasia or precursor of minimal deviation adenocarcinoma (MDA)/gastric-type

Effects of DHT and EGF on human hyperplastic prostate cells cultured in vitro: growth, morphology and phenotype characterisation.

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This work studies the effects of dihydrotestosterone (DHT) and epidermal growth factor (EGF) on the growth, morphology and phenotype characterisation of the U285 line obtained from human prostate hyperplastic tissue. Modifications of growth rate induced by these two substances have been evaluated by

Congenital adrenal hyperplasia with 11 beta-hydroxylase deficiency.

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A rare form of congenital adrenal hyperplasia (CAH), 11 beta-hydroxylase deficiency, may be misdiagnosed as 21-hydroxylase deficiency, the most common form of CAH, because of similar clinical presentations at times and elevated level of 17-hydroxyprogesterone in both conditions. We report a case of

Variations of proline-rich kinase Pyk2 expression correlate with prostate cancer progression.

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Proline-rich kinase 2 (Pyk2), also known as CAKbeta (cell adhesion kinase beta), is a cytoplasmic tyrosine kinase that is structurally related to focal adhesion kinase. Pyk2 is expressed in different cell types including brain cells, fibroblasts, platelets, and other hemopoietic cells. Pyk2 is

Strain-specific differences in the proline-rich proteins and glycoproteins induced in rat salivary glands by chronic isoprenaline treatment.

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Parotid and submandibular glands were isolated from five strains of rat after chronic injection of the beta-adrenergic receptor agonist isoprenaline (isoproterenol). The glands were observed to have undergone a marked increase in wet weight, owing to hypertrophy and hyperplasia. The 100 000 g

Protein kinase CK2 inhibition suppresses neointima formation via a proline-rich homeodomain-dependent mechanism.

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Neointimal hyperplasia is a product of VSMC replication and consequent accumulation within the blood vessel wall. In this study, we determined whether inhibition of protein kinase CK2 and the resultant stabilisation of proline-rich homeodomain (PRH) could suppress VSMC proliferation. Both silencing

Purification of proline-rich proteins from parotid glands of isoproterenol-treated rats.

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Prolonged isoproterenol treatment of rats is known to cause hypertrophy and hyperplasia of the parotid glands. Our results show that a dramatic increase in the synthesis or accumulation in the parotid glands of a series of proteins rich in proline also occurs with isoproterenol treatment. After 10

Lack of promoting effect of proline on bile duct cancer development in dimethylnitrosamine-initiated hamster livers.

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Bile duct hyperplasia caused by proline is believed to represent a chemical effect of the liver fluke, Fasciola hepatica, and the resultant cell division might be expected to play a role as a tumor promoter. To investigate the potential promoting effect of proline on bile duct cancer development,

A compound heterozygous mutation in the CYP17 (17alpha-hydroxylase/17,20-lyase) gene in a Chinese subject with congenital adrenal hyperplasia.

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Mutations in the CYP17 gene impair steroid biosynthesis in the adrenals and gonads, resulting in 17alpha-hydroxylase/17,20-lyase (P450c17) deficiency, leading to amenorrhea, sexual infantilism, hypokalemia, and hypertension. To date, more than 50 mutations in the CYP17 gene associated with

Proline biosynthesis by Fasciola hepatica at different developmental stages in vivo and vitro.

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The ability of Fasciola hepatica to produce proline was assessed by measuring activity of the proline biosynthesis enzyme ornithine-delta-transaminase, and the arginine-dependent production of proline in vitro. This was related to the changes in bile proline of rats during the course of infection.

Structural aspects of the p.P222Q homozygous mutation of HSD3B2 gene in a patient with congenital adrenal hyperplasia.

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Type II 3β-hydroxysteroid dehydrogenase/Δ(5)-Δ(4)-isomerase (3β-HSD2), encoded by the HSD3B2 gene, is a key enzyme involved in the biosynthesis of all the classes of steroid hormones. Deleterious mutations in the HSD3B2 gene cause the classical deficiency of 3β-HSD2, which is a rare autosomal

Synthesis of collagen and fibronectin in fibroblasts derived from healthy and hyperplastic gingivae.

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The purpose of the present study was to compare protein and matrix molecular (collagen and fibronectin) metabolism among fibroblasts cultured from two types of hyperplastic gingiva and normal tissues. Cell cultures were obtained from tissue explants of normal gingiva, the periodontal ligament (PDL),

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