Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=8340253
&cmd=llinks): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests
in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 215
Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 243.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 243.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 243.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\8340253
.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Jpn+J+Cancer+Res
1993 ; 84
(6
): 649-55
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Transforming growth factor-alpha expression of renal proximal tubules in Wistar
rats treated with ferric and aluminum nitrilotriacetate
#MMPMID8340253
Deguchi J
; Kawabata T
; Kondo A
; Okada S
Jpn J Cancer Res
1993[Jun]; 84
(6
): 649-55
PMID8340253
show ga
A high incidence of renal adenocarcinoma has been observed in rats treated with
ferric nitrilotriacetate (Fe-NTA) but not in rats treated with aluminum
nitrilotriacetate (Al-NTA). Transforming growth factor (TGF)-alpha is one of the
several cytokines that is known to be expressed in human and rat renal
adenocarcinomas. However, its role in neoplastic transformation is still
questionable. Therefore, we investigated the effect of repeated Fe-NTA and Al-NTA
administration on renal TGF-alpha expression. Male Wistar rats were given Fe-NTA
(n = 16, 5-10 mg Fe/kg) and Al-NTA (n = 19, 1-2 mg Al/kg) i.p., three times a
week for 3 or 12 weeks. Another group of rats (n = 4) was given Fe-NTA (5-10 mg
Fe/kg) three times a week for 12 weeks and then left untreated for one year.
Immunoreactivity for TGF-alpha was positive in the collecting ducts and on the
apical surface of proximal tubules in the outer stripe of the outer medulla in
all the animals including NTA-injected control animals. However, TGF-alpha
immunoreactivity in the regenerative proximal tubular epithelium was observed
only in the animals treated with Fe-NTA for 12 weeks. Northern blot analysis also
showed expression of TGF-alpha mRNA only in animals treated with Fe-NTA for 12
weeks. The expression of TGF-alpha mRNA in the kidney was stronger than that in
the liver or brain. TGF-alpha was also positive in renal cell carcinoma found in
animals treated with Fe-NTA for 12 weeks and left untreated for one year. These
results suggest that TGF-alpha expression may play an important role in renal
carcinogenesis and that it may be a sensitive marker during the induction stage
of renal cell carcinoma.