In the specialized field of molecular biology research, the study of transcription factors remains a cornerstone for understanding how organisms respond to environmental stress. Among these, the human hif3 alpha peptide has emerged as a subject of significant interest. As someone who has spent considerable time review Action Sites and Clinical Application of HIF-1α Inhibitors - PMC ing biochemical reagents and research materials, I have found that the study of the *HIF3A* gene family offers a fascinating glimpse into the adaptive mechanisms of cellular biology.
Understanding the HIF3A Gene and Its Protein Product
To appreciate the role of this entity, one must first recognize that the HIF3 alpha protein is a complex molecule. It is a protein that in humans is encoded by the *HIF3A* gene, which is located on chromosome 19q13.2. Structurally, it consists of 667 amino acids with a molecular weight of approximately 73 kDa.
When discussing the human HIF-3 alpha, it is essential to distinguish it from its counterparts, *HIF-1α* and *HIF-2α*. While those better-known factors are often associated with broad metabolic responses, *HIF-3α* displays unique characteristics. Research indicates that *HIF-3α* differs from *HIF-1α* and *HIF-2α* in protein structure and regulation of gene expression. In many experimental settings, it functions as an inhibitor of angiogenesis in hypoxic cells of the cornea, showcasing its tissue-specific regulatory capabilities.
Functional Significance in Research
The HIF (hypoxia-inducible factor)-3alpha is a member o 3 Mar 2026—The protein encoded by this gene is thealpha-3 subunit of one of severalalpha/beta-subunit heterodimeric transcription factors that regulate many adaptive Read more f a heterodimeric transcription factor family. It acts as a transcriptional regulator in adaptive response to low oxygen tension. My review of available literature suggests that *HIF-3α* is not merely a passive bystander; it acts as a positive regulator of hypoxia-inducible gene expression by associating with the core DNA sequence 5'-TACGTG-3' within the hypoxia response element (HRE).
Interestingly, the human HIF-3 alpha locus is known to p Functions as an inhibitor of angiogenesis in hypoxic cells of the cornea. Plays a role in the development of the cardiorespiratory system.Read more roduce multiple splice variants. These variants are often targets of the von Hippel-Lindau (VHL) E3 ubiquitin ligase complex. This level of regulatory complexity is why researchers often utilize specific tools, such as the *HIF3-Alpha antibody LS-C31723*, to track the expression levels of these proteins in various cell lines.
Observations on Expression and Regulation
From a research perspective, one of the most compelling aspects of this field is how hypoxia induces the human HIF-3alpha gene. Studies have shown that *HIF-3α* is strongly induced by low oxygen levels, leading to an increase in both protein stability and transcriptional activation.
Furthermore, HIF-3 alpha transcripts are broadly expressed in human tissues and organs, with specifi HIF-3 alpha: a versatile target with hypoxia dependent and c variants appearing at higher levels during different developmental stag 15 Feb 2016—Multiple splice variants of thehuman HIF-3 alpha locusare targets of the von Hippel-Lindau E3 ubiquitin ligase complex. J Biol Chem 278 Read more es. It is well-documented that *Hif-3α* not only mediates hypoxia-induced growth and developmental retardation but also possesses hypoxia-independent activities, which are currently being explored by the scientific community.
Navigating Research Tools and Products
For those looking to explore this protein in a laboratory environment, there are many HIF-3 alpha/HIF3A products available that HIF Transcription Factors Research Areas - Hypoxia are validated for techniques like Western Blot (WB) and Immunohistochemistry (IHC). For instance, the *HIF3 alpha blocking peptide* is a common tool that reacts with human, mouse, and rat samples, providing a way to verify antibody specificity.
Whether you are investigating key re Action Sites and Clinical Application of HIF-1α Inhibitors - PMC gulators of the transcriptional response to hypoxic stress or simply mapping the presence of the alpha subunit in target tissues, the data surrounding this molecule continues to evolve. The discovery that *HIF-3α* serves as a selective lipid sensor further underscores its versatility beyond traditional oxygen-sensing pathways.
Summary of Key Insights
* Entity: *HIF3A* (Human).
* Molecular Weight: ~73 kDa.
* Regulatory Role: Acts as both a positive and negative mediator depending on the cellular context.
* Clinical Relevance: Linked to adaptive responses in various human tissues.
By focusing on the mechanistic properties of these peptides, researchers can continue to peel back the layers of how the human body main Here we report thathypoxia induces the human HIF-3alpha geneat the transcriptional level in a HIF-1-dependent manner. HIF-3alpha2 and HIF-3alpha4 transcripts, Read more tains homeostasis under fluctuating environmental conditions. The study of *HIF-3α* remains a vibrant area of exploration, promising deeper insights into the fundamental processes of gene regulation.