The role of savings in investment and therefore in the development
of a country cannot be exaggerated. In poor countries like ours most of the
savings is done by households. In this paper the saving behaviour of
Pakistan households, broken down to rural-urban, is examined. Using HIES
1998/99 and utilising OLS, it has been shown that saving behaviour in
Pakistan is influenced by various factors including wealth, employment
status, education, age and dependency ratio. But the most import role in
influencing saving behaviour is played by household income.
Endometriosis is a complex trait, which means that multiple susceptibility genes interact with one another and the environment to produce the phenotype. One of the genes previously implicated in the disease is CYP17; this encodes the enzyme P450c17alpha, which plays a vital role in steroid biosynthesis in the ovary. The presence of a single nucleotide polymorphism (T-->C) in the 5'-promoter region of the gene creates a new recognition site for the restriction enzyme MspA1 producing a mutant allele (A2), which affects circulating estrogen levels. In this study, we compared the frequency of the CYP17 MspA1 polymorphism in two different ethnic populations. DNA was obtained from (1) 94 women with revised American Fertility Society (rAFS) stage III-IV endometriosis and 97 male blood donors in the UK, and (2) 130 women with rAFS stage III-IV endometriosis and 179 female newborn infants in Japan. No significant differences in allele or genotype frequencies were seen in either population. The genotype distribution in the UK population was 33/94 [35.1%] (cases) and 39/97 [40.2%] (controls) for A1A1 (homozygous wild-type); 43/94 [45.7%] (cases) and 44/97 [45.4%] (controls) for A1A2; and 18/94 [19.1%] (cases) and 14/97 [14.4%] (controls) for A2A2. The genotype distribution in the Japanese population was 31/130 [23.9%] (cases) and 57/179 [31.8%] (controls) for A1A1; 73/130 [56.2%] (cases) and 89/179 [49.7%] (controls) for A1A2; and 26/130 [20.0%] (cases) and 33/179 [18.4%] (controls) for A2A2. The CYP17 MspA1 polymorphism is probably not associated with endometriosis in either the UK or the Japanese population.
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