What This Page Explains This page explains: What Is Hypoxia? Hypoxia means low oxygen. Simple Explanation Why Tumors Become Low in Oxygen Tumors grow quickly. The Problem Result 👉 Parts of the tumor become hypoxic What Is HIF-1α? HIF-1α is a protein that helps cells respond to low oxygen. What It Does When oxygen is … Continue reading Tumor Hypoxia and HIF-1α: How Low Oxygen Helps Cancer Survive