Which cell type has the protein Chromogranin A as marker?
['Neuroendocrine differentiation (chromogranin A and/or synaptophysin positivity) ', 'All paragangliomas were universally positive for chromogranin A ', 'chromogranin A (CGA) is a useful marker for pancreatic neuroendocrine tumors (pNET)', 'Together with Chromogranin B and Secretogranins, Chromogranin A (CGA) is stored in secretory (chromaffin) granules of the diffuse neuroendocrine system', 'Chromogranin A (CgA) is the most important general tumour marker used in the diagnosis and follow-up of patients with neuroendocrine tumours (NET).', 'Chromogranin A (CgA) not only plays an important role in pathologic diagnosis, but is also used as a circulating biomarker in patients with gastroenteropancreatic neuroendocrine neoplasm (GEP-NEN).', 'numbers of chromogranin A (CHGA)-positive enteroendocrine cells (EEC', ' CgA is a reliable serum diagnostic biomarker for PNETs', 'Chromogranin A (CgA) was considered as the most practical and useful serum tumor marker in PNET patients.', 'the neuroendocrine markers chromogranin A and synaptophysin;']
['Chromogranin A is a marker for neuroendocrine cells']
['neuroendocrine cells']