Structural and Functional Alterations in The Zona Fasciculata ofThe Rat Adrenal Cortex in Obstructive Jaundice
This study investigated the effect of experimentally‐induced cholestasis in the rat on the structure and function of the zona fasciculata, the glucocorticoid secretory region of the adrenal cortex. Wistar‐Furth rats (200‐250g) were assigned to three groups: bile duct ligated (BDL), Sham operated (Sh...
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| Veröffentlicht in: | HPB surgery 1989-01, Vol.1 (4), p.271-281 |
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| creator | Roughneen, P. T. Tallon, K. M. Russell, Diane Haley Rowlands, B. J. |
| description | This study investigated the effect of experimentally‐induced cholestasis in the rat on the structure and function of the zona fasciculata, the glucocorticoid secretory region of the adrenal cortex. Wistar‐Furth rats (200‐250g) were assigned to three groups: bile duct ligated (BDL), Sham operated (Sham) and unmodified normal control (NC). On day 14, serum bilirubin and liver histology were performed to confirm cholestasis in BDL animals together with basal 24 hour 17‐hydroxycorti‐costeroid excretion, adrenal histology and zona fasciculata ultrastructure in all experimental groups. Following this laparotomy, structural and functional studies were repeated on day 15 to evaluate the response of the gland to surgically induced stress. Basal 24 hr. 17‐hydroxycorticoid steroid excretion was elevated in BDL animals (26.9 ±3.2 μ g/24 hr) with respect to Sham (10.4 ± 2.3) and NC groups (13.5 ± 3.2) (p |
| doi_str_mv | 10.1155/1989/34079 |
| format | Article |
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T. ; Tallon, K. M. ; Russell, Diane Haley ; Rowlands, B. J.</creator><creatorcontrib>Roughneen, P. T. ; Tallon, K. M. ; Russell, Diane Haley ; Rowlands, B. J.</creatorcontrib><description>This study investigated the effect of experimentally‐induced cholestasis in the rat on the structure and function of the zona fasciculata, the glucocorticoid secretory region of the adrenal cortex. Wistar‐Furth rats (200‐250g) were assigned to three groups: bile duct ligated (BDL), Sham operated (Sham) and unmodified normal control (NC). On day 14, serum bilirubin and liver histology were performed to confirm cholestasis in BDL animals together with basal 24 hour 17‐hydroxycorti‐costeroid excretion, adrenal histology and zona fasciculata ultrastructure in all experimental groups. Following this laparotomy, structural and functional studies were repeated on day 15 to evaluate the response of the gland to surgically induced stress. Basal 24 hr. 17‐hydroxycorticoid steroid excretion was elevated in BDL animals (26.9 ±3.2 μ g/24 hr) with respect to Sham (10.4 ± 2.3) and NC groups (13.5 ± 3.2) (p <0.05). Adrenal histology and ultrastructural studies demonstrated excessive accumulation of vesicles laden with glucocorticoid biogenic precursors. Following surgical stress 24 hr 17 OH corticosteroid excretion increased in all groups: BDL (31.0 ± 3.0 μg/24 hr) vs Sham (15.6 ± 1.8) and NC (14.5 ± 2.4) Moderate alterations in zona fasciculata architecture were seen following surgery in all groups. 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Basal 24 hr. 17‐hydroxycorticoid steroid excretion was elevated in BDL animals (26.9 ±3.2 μ g/24 hr) with respect to Sham (10.4 ± 2.3) and NC groups (13.5 ± 3.2) (p <0.05). Adrenal histology and ultrastructural studies demonstrated excessive accumulation of vesicles laden with glucocorticoid biogenic precursors. Following surgical stress 24 hr 17 OH corticosteroid excretion increased in all groups: BDL (31.0 ± 3.0 μg/24 hr) vs Sham (15.6 ± 1.8) and NC (14.5 ± 2.4) Moderate alterations in zona fasciculata architecture were seen following surgery in all groups. 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J.</creatorcontrib><collection>CrossRef</collection><jtitle>HPB surgery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Roughneen, P. T.</au><au>Tallon, K. M.</au><au>Russell, Diane Haley</au><au>Rowlands, B. J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Structural and Functional Alterations in The Zona Fasciculata ofThe Rat Adrenal Cortex in Obstructive Jaundice</atitle><jtitle>HPB surgery</jtitle><date>1989-01</date><risdate>1989</risdate><volume>1</volume><issue>4</issue><spage>271</spage><epage>281</epage><pages>271-281</pages><issn>0894-8569</issn><eissn>1607-8462</eissn><abstract>This study investigated the effect of experimentally‐induced cholestasis in the rat on the structure and function of the zona fasciculata, the glucocorticoid secretory region of the adrenal cortex. Wistar‐Furth rats (200‐250g) were assigned to three groups: bile duct ligated (BDL), Sham operated (Sham) and unmodified normal control (NC). On day 14, serum bilirubin and liver histology were performed to confirm cholestasis in BDL animals together with basal 24 hour 17‐hydroxycorti‐costeroid excretion, adrenal histology and zona fasciculata ultrastructure in all experimental groups. Following this laparotomy, structural and functional studies were repeated on day 15 to evaluate the response of the gland to surgically induced stress. Basal 24 hr. 17‐hydroxycorticoid steroid excretion was elevated in BDL animals (26.9 ±3.2 μ g/24 hr) with respect to Sham (10.4 ± 2.3) and NC groups (13.5 ± 3.2) (p <0.05). Adrenal histology and ultrastructural studies demonstrated excessive accumulation of vesicles laden with glucocorticoid biogenic precursors. Following surgical stress 24 hr 17 OH corticosteroid excretion increased in all groups: BDL (31.0 ± 3.0 μg/24 hr) vs Sham (15.6 ± 1.8) and NC (14.5 ± 2.4) Moderate alterations in zona fasciculata architecture were seen following surgery in all groups. Cholestasis induces overactivity of the zona fasciculata of the adrenal cortex, and may modify the normal metabolic responses to surgical and other stresses.</abstract><doi>10.1155/1989/34079</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | HPB surgery, 1989-01, Vol.1 (4), p.271-281 |
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| language | eng |
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| source | PubMed Central Open Access; Wiley Online Library Open Access; PubMed Central; Alma/SFX Local Collection |
| title | Structural and Functional Alterations in The Zona Fasciculata ofThe Rat Adrenal Cortex in Obstructive Jaundice |
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