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Medullary carcinoma of the breast: a tumour lacking keratin 19

Histopathology, 1994
The presence of keratin 19 (K19) was searched for by immunostaining in 16 medullary carcinomas, comprising 12 typical and four atypical cases, in 29 undifferentiated high‐grade carcinomas (NOS‐HG) with conspicuous lymphoid response and in 12 well differentiated low‐grade carcinomas (NOS‐LG).
Larsimont, Denis   +3 more
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Patterns of keratins 8, 18 and 19 during gonadal differentiation in the mouse: sex- and time-dependent expression of keratin 19

Differentiation, 1998
The acidic keratins K18 and K19 have been shown to display a sex-specific expression during gonadal differentiation in the rat. To extend these findings, we have undertaken a study of the expression of genes encoding for K18 and K19 and their basic partner K8 in the mouse from 10.5 days of gestation until adulthood, using immunofluorescence, in situ ...
A, Appert   +3 more
openaire   +2 more sources

Keratin 19 as a Stem Cell Marker In Vivo and In Vitro

2004
The skin is a dynamic tissue in which terminally differentiated keratinocytes are replaced by the proliferation of new epithelial cells that will undergo differentiation. The rapid and continual turnover of skin throughout life depends on a cell population with unique characteristics: the stem cells.
Fortier, Kristine   +3 more
openaire   +3 more sources

Keratin 19 expression in the adult and developing human mammary gland

The Histochemical Journal, 1990
In the adult human mammary gland, most of the luminal epithelial cells express keratin 19 (K19+). However, in some small ducts and terminal ductal lobular units where branching would be expected to occur during pregnancy, the pattern of expression of this keratin is heterogeneous.
J, Bartek   +2 more
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Analysis of Keratin Polypeptides 8 and 19 Variants in Inflammatory Bowel Disease

Clinical Gastroenterology and Hepatology, 2007
Keratin-8 (KRT8)-null mice develop spontaneous colitis and predisposition to liver injury. Human studies show that some KRT8 variants predispose to end-stage liver disease and progression and suggest that such variants might associate with UC or CD. We asked whether mutations in KRT8 or KRT19, the major intestinal keratins, are associated with UC/CD ...
Guo-Zhong, Tao   +10 more
openaire   +2 more sources

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