Calcitriol Suppresses HIF-1 and HIF-2 Transcriptional Activity by Reducing HIF-1/2α Protein Levels via a VDR-Independent Mechanism
نویسندگان
چکیده
منابع مشابه
A new HIF-1 alpha variant induced by zinc ion suppresses HIF-1-mediated hypoxic responses.
The expressions of hypoxia-inducible genes are upregulated by hypoxia-inducible factor 1 (HIF-1), which is a heterodimer of HIF-1alpha and HIF-1beta/ARNT (aryl hydrocarbon receptor nuclear transporter). Under hypoxic conditions, HIF-1alpha becomes stabilized and both HIF-1alpha and ARNT are translocated into the nucleus and codimerized, binding to the HIF-1 consensus sequence and transactivatin...
متن کامل1(hypoxia-inducible factor-1, HIF-1) AMPK HIF-1 AMPK AMPK HIF-1 AMPK HIF-1 HIF-1 AMPK HIF-1 AMPK
The AMP-activated protein kinase is found in all eukaryotic cells. Once activated, the kinase switches on ATP-producing catabolic pathways and switches off ATP-consuming processes,both via direct phosphorylation of downstream targets, and thus is called a cellular energy regulator . A variety of novel downstream target proteins have been discovered recently, which provide new insight into eluci...
متن کاملBortezomib attenuates HIF-1- but not HIF-2-mediated transcriptional activation
Bortezomib is the first proteasomal inhibitor (PI) to be used therapeutically for treating relapse cases of multiple myeloma and mantle cell lymphoma. A proposed mechanism for its action is that it prevents the proteasomal degradation of proapoptotic proteins, leading to enhanced apoptosis. Although the α subunit of hypoxia-inducible factor (HIF)-1 is not degraded with bortezomib treatment, the...
متن کاملThe transcription of Hypoxia-inducible factors (hif-1, hif-2) during normal development of Beluga sturgeon (Huso huso Linnaeus, 1758)
In the present study, the levels of the hypoxia-inducible factors (hif-1, hif-2) transcripts were evaluated during development of an ancient fish species, Beluga sturgeon (Huso huso) in a normal oxygen environment. The transcripts of hif-1, hif-2 were detected in all developmental time-points of H. huso from embryos to juvenile fish. Changes in normalized hif-1, hif-2 mRNA expression by using t...
متن کاملDirect transcriptional up-regulation of cyclooxygenase-2 by hypoxia-inducible factor (HIF)-1 promotes colorectal tumor cell survival and enhances HIF-1 transcriptional activity during hypoxia.
Cyclooxygenase (COX)-2, the inducible key enzyme for prostanoid biosynthesis, is overexpressed in most colorectal carcinomas and a subset of colorectal adenomas. Genetic, biochemical, and clinical evidence indicates an important role for COX-2 in colorectal tumorigenesis. Although COX-2 can be induced by aberrant growth factor signaling and oncogene activation during colorectal tumorigenesis, t...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Cells
سال: 2020
ISSN: 2073-4409
DOI: 10.3390/cells9112440