preferred_name: Some HSPGs are secreted to the plasma membrane (Xenopus tropicalis)
preferred_name_lc: some hspgs are secreted to the plasma membrane (xenopus tropicalis)
label: Some HSPGs are secreted to the plasma membrane (Xenopus tropicalis)
label_lc: some hspgs are secreted to the plasma membrane (xenopus tropicalis)