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return kwic search for factors out of >500 occurrences
295043 occurrences (No.82 in the rank) during 5 years in the PubMed. [no cache] 500 found

281) A variety of physiological and pharmacological factors are known to influence stress responses.

--- ABSTRACT ---

PMID:23782143 DOI:10.1111/jpc.12302

2015 Current pharmaceutical design

* Gender Based Differences in Stress-induced Gastric Ulcer Formation and its Regulation by Nitric Oxide (NO): An Experimental Study.

- A variety of physiological and pharmacological factors are known to influence stress responses. Cold restraint stress (CRS) induced gastric ulcerogenesis in both the sexes but such ulceration was found to be markedly higher in male than in female rats. In males, CRS induced significant increases in both ulcer number and ulcer severity; while the females though showed a trend towards increase in both the parameters, the extent of changes was far less than in males. Pre-administration of the NO mimetic, L-Arginine (500 and 1000 mg/kg), prior to CRS, dose dependently decreased ulcer number and severity in male rats. In female rats, L-Arginine also induced a gastric cytoprotective effect during CRS but to a much lesser extent. On the other hand, inhibition of NO synthesis by LNAME (25 and 50 mg/kg) further aggravated such stress ulcerogensis in both males and females, with aggravations being more extensive in males. CRS induced ulcerogenesis was associated with reductions in levels of brain and plasma NOx and GSH levels while MDA levels were elevated in both male and female rats- the magnitude of these changes being higher in males than in females. In female rats, pretreatment with formestane (aromatase inhibitor) but not tamoxifen (estrogen receptor blocker) aggravated stress ulcer formation as compared to vehicle treated CRS exposed rats. Formestane pretreatment also induced greater suppressions in brain NOx and GSH and elevations in brain MDA, as compared to vehicle treated CRS rats. These results indicate that estrogen and its interactions with oxidative stress markers and NO plays a key role in the gender based differences in stress induced gastric ulcerogenesis. It may be speculated that, in males, CRS induces greater reductions in brain NO and enhancement in oxidative injury resulting in greater severity of gastric ulceration. On the other hand, greater resistance of females to ulcerogenic effects of CRS may be due to the protection conferred by estrogen and this effect seems to be related to interactions with brain NO.

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(1)62 for	(12)10 related	(23)3 using	(34)2 during
(2)44 null	(13)8 on	(24)3 which	(35)2 from
(3)36 that	(14)7 have	(25)3 with	(36)2 including
(4)34 associated	(15)7 such	(26)2 (age,	(37)2 independently
(5)31 and	(16)6 may	(27)2 along	(38)2 involved
(6)29 in	(17)4 influence	(28)2 as	(39)2 jointly
(7)20 were	(18)4 significantly	(29)2 c-Jun	(40)2 other
(8)14 influencing	(19)4 to	(30)2 can	(41)2 produced
(9)13 are	(20)3 across	(31)2 contribute	(42)2 was
(10)13 of	(21)3 among	(32)2 contributing
(11)10 affecting	(22)3 like	(33)2 diagnostic

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--- WordNet output for factors --- Overview of noun factor The noun factor has 7 senses (first 4 from tagged texts) 1. (31) factor -- (anything that contributes causally to a result; "a number of factors determined the outcome") 2. (8) component, constituent, element, factor, ingredient -- (an abstract part of something; "jealousy was a component of his character"; "two constituents of a musical composition are melody and harmony"; "the grammatical elements of a sentence"; "a key factor in her success"; "humor: an effective ingredient of a speech") 3. (4) divisor, factor -- (one of two or more integers that can be exactly divided into another integer; "what are the 4 factors of 6?") 4. (1) agent, factor, broker -- (a businessman who buys or sells for another in exchange for a commission) 5. factor -- (any of the numbers (or symbols) that form a product when multiplied together) 6. factor -- (an independent variable in statistics) 7. gene, cistron, factor -- ((genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity; "genes were formerly called factors") Overview of verb factor The verb factor has 3 senses (first 1 from tagged texts) 1. (2) factor, factor in, factor out -- (resolve into factors; "a quantum computer can factor the number 15") 2. factor -- (be a contributing factor; "make things factor into a company's profitability") 3. factor, factor in, factor out -- (consider as relevant when making a decision; "You must factor in the recent developments") --- WordNet end ---