1.0MedLabshttps://www.medlabsgroup.com/armladminhttps://www.medlabsgroup.com/ar/author/mladmin/rich600338<blockquote class="wp-embedded-content" data-secret="xL57g5n8n8"><a href="https://www.medlabsgroup.com/ar/lab-testing/soluble-transferrin-receptor-stfr-serum/">مستقبل الترانسفيرين القابل للذوبان ,بلازما</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.medlabsgroup.com/ar/lab-testing/soluble-transferrin-receptor-stfr-serum/embed/#?secret=xL57g5n8n8" width="600" height="338" title="“Soluble Transferrin Receptor (sTfR), Serum” — MedLabs" data-secret="xL57g5n8n8" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.medlabsgroup.com/wp-includes/js/wp-embed.min.js </script>The uptake of iron by cells is mediated by a transferrin receptor (TfR). TfR is shed from cells by proteolytic cleavage just external to the plasma membrane and circulates in the blood as soluble TfR (sTfR). The amount of circulating sTfR is proportional to the total amount of cellassociated TfR. TfR expression is unregulated when […]