.</span><span class="n">loc</span><span class="p">[</span><span class="n">index</span><span class="p">,</span> <span class="s1">&#39;COL1A1:ITGA1&amp;ITGB1&#39;</span><span class="p">]</span>
    <span class="n">receptor_sig</span> <span class="o">=</span> <span class="n">receptor_cell_communication</span><span class="o">.</span><span class="n">loc</span><span class="p">[</span><span class="n">index</span><span class="p">,</span> <span class="s1">&#39;COL1A1:ITGA1&amp;ITGB1&#39;</span><span class="p">]</sp