than 10 years where the earliest age onset of
premature canities in this study was 3 years.
(Deephaseree and Aschana, 2016) Based on the severity
degree of premature canities, in this study the most
commonly found was with mild canities (64.5%).
The results of this study different from the results of
previous studies by Bhat et al, where the most
common severity degree of premature canities was
moderate canities.(Bhat et al., 2013)
Few studies have reported the association of
premature canities and trace elements serum such as
iron, zinc and copper level. From several studies it is
also known that there is a relationship between Fe,
Zn and Cu concentration with premature canitis
where trace elements play a role in melanogenesis
process.10 There are two types of pigments that
plays a role in melanogenesis namely as eumelanin
and pheomelanin. In the oxidative reaction, tyrosine
is converted to 3,4- dihydroxyphenylalanine
(DOPA), where both pigments originate. One of the
most important enzymes in oxidative reactions is
tyrosinase in which copper ions are required for the
activity of tyrosinase enzymes. Ferrum and zinc ions
also play a role in melanogenesis, as in the
preparation of dopachrome to 5.6-dihydroxyindoles
and oxidative polymerization of 5,6-
dihydroxyindoles to melanin pigments. Trace
elements deficiencies causes a spectrum of clinical
manifestations especially on the skin and hair. Low
levels of trace elements in serum have been
demonstrated in several studies related to premature
canities conditions.(Slominski et al., 2005; Fatemi
Naieni et al., 2012; Pandhi and Khanna, 2013)
In this study, based on the the association
between of trace elements ferrum, zinc and cuprum
serum with premature canities, the mean level of Zn
serum were significantly lower in the premature
cannitis group than in the controls group, indicated
that there was an association between low zinc
serum level and premature canities. Meanwhile there
was no statistically significant associated between
trace elements ferrum and cuprum serum with
premature canities.
The results in this study were different from a
study conducted by Fatemi et al assessed the
association between Fe, Zn and Cu serum
concentrations with premature canities, where the
mean level of Fe serum were significantly higher in
the case group than in the control group.10In another
study by Chakrabarty et al found that low ferritin
serum levels were significantly associated with
premature canities, and no significant differences in
serum Zn and Cu concentrations were found in both
case and control groups.(Chakrabarty et al., 2016)
Comparison of levels of trace elements ferrum,
zinc and copper serum between the group of
premature cannitis and controls, the mean levels of
Zn and Cu serum in the premature cannities group
was lower than in the controls group. The results of
this study different from the results of a study
conducted by Fatemi et al, assessed the association
between Fe, Zn and Cu serum levels with premature
cannitis which found no difference in mean levels of
Zn levels either in the case group or in the controls
group.(Fatemi Naieni et al., 2012)
5 CONCLUSIONS
There was a significant association between trace
elements zinc serum level and premature canities,
but there was no association were found between
trace elements ferrum and copper serum levels and
premature canities.
ACKNOWLEDGEMENTS
The authors wish to thank for all the subjects who
participated in this study.
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