The Huynh et al report of post #52 mentions that bat cells were immortalized, and here we show that this immortalization links our HIF-1 investigation for mask-wearing and hypoxia. Because dengue-infected brains were similar to COVID-19-infected brains at autopsy, megakaryocytes were the pivot between the two. Thus our search, 'hif-1 megakaryocytes' revealed a runx- and sparc-gene connection:
May 2016 Megakaryocytes / RUNX2 / SPARC
Bone metastatic cells release bone microenvironment proteins, such as the matricellular protein SPARC (secreted protein acidic and rich in cysteine), and share a cell signaling typical of the bone metabolism controlled by Runx2. The megakaryocytes in the bone marrow engrafted by the metastases...
www.ncbi.nlm.nih.gov
'....secreted protein acidic and rich in cysteine....RUNX2....'
A search 'runx1 covid-19' yielded a May 2020 report:
May 2020 Tripartite Combination of Candidate Pandemic Mitigation Agents
Genes required for SARS-CoV-2 entry into human cells, ACE2 and FURIN, were employed as baits to build genomic-guided molecular maps of upstream regulatory elements, their expression and functions in the human body, and pathophysiologically relevant cell types. Repressors and activators of the...
www.ncbi.nlm.nih.gov
The Huynh et al report states that....
'Generation of Immortalized Bat Cells....The cells were infected, as previously described, with lentivirus vectors... For cells to be immortalized, we added 1 ml of hTERT-Bmi-1-Polyprene mixture and incubated it for 3 h at 37 degrees C.'
Next, we used the combination search 'sparc bmi-1' which yields nasopharyngeal carcinoma:
2012 SPARC / Bmi-1
SPARC expression is common in NPC patients. Our data shows that elevated SPARC expression is a potential unfavorable prognostic factor for patients with NPC.
www.ncbi.nlm.nih.gov
'....immortalized nasopharyngeal epithelial cells (NPECs) induced by Bmi-1....SPARC positively correlated with the status of distant metastasis.'