scholarly journals Normal complement C4 values do not exclude hereditary angioedema

2004 ◽  
Vol 57 (2) ◽  
pp. 213-214 ◽  
Author(s):  
Y Karim
Author(s):  
S.R. Allegra

The respective roles of the ribo somes, endoplasmic reticulum, Golgi apparatus and perhaps nucleus in the synthesis and maturation of melanosomes is still the subject of some controversy. While the early melanosomes (premelanosomes) have been frequently demonstrated to originate as Golgi vesicles, it is undeniable that these structures can be formed in cells in which Golgi system is not found. This report was prompted by the findings in an essentially amelanotic human cellular blue nevus (melanocytoma) of two distinct lines of melanocytes one of which was devoid of any trace of Golgi apparatus while the other had normal complement of this organelle.


Author(s):  
Marco Cicardi ◽  
Lorenza Zingale ◽  
Andrea Zanichelli ◽  
Daniela Lambertenghi Deliliers

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