Journal: Pflugers Archiv : European journal of physiology

Article Title: Apolipoprotein L1 (APOL1) cation current in HEK-293 cells and in human podocytes

doi: 10.1007/s00424-022-02767-8

Figure Lengend Snippet: A. Representative on-cell current traces measured at −Vp = +50 mV in podocytes previously treated 24 h with vehicle (upper trace) or with IFNγ (10 ng/mL, lower trace). B. I-V curve of the predominant unitary conductance class (28 pS) of on-cell patch currents in a representative IFNγ-treated Celprogen human podocyte. C. NPo of predominant unitary current class in native Celprogen podocytes (WT, middle pair of bars) and in two Celprogen knockout cell lines (KO #1 and KO #2), each treated 24 h in the absence (left unfilled bars of each pair) and presence of IFNγ (right bars of each pair; data points overlap in all bars). Values are means ± s.e.m. for indicated (n). *, p<0.05 for WT+IFNγ vs −IFNγ, and for WT+IFNγ vs each KO+IFNγ; unpaired two-way t-tests.

Article Snippet: On-cell patch recording revealed G2 knock-in mouse podocyte cation currents with unitary conductance of 25.2±2.5 pS and NPo of 1.41±0.24 (n=3, −Vp = +50 mV, data not shown), similar to values recorded in on-cell patches of IFNγ-treated Celprogen human G0 podocytes ( ).

Techniques: Knock-Out

Journal: Pflugers Archiv : European journal of physiology

Article Title: Apolipoprotein L1 (APOL1) cation current in HEK-293 cells and in human podocytes

doi: 10.1007/s00424-022-02767-8

Figure Lengend Snippet: A. NPo of unitary currents measured at −Vp = +50 mV in IFNγ-pretreated Celprogen podocytes treated without (n=14, white bar, data points overlap) or with 2 μg/ml anti-APOL1 N-terminal domain antibody (n=7, black bar, data points overlap) or nonspecific rabbit IgG (n=6, gray bar) in the pipette solution. Steady-state values at 2–3 min after achievement of seal. *, p=0.003 vs “none”; unpaired two-tailed t-test. B. NPo of unitary currents measured at −Vp = +50 mV in IFNγ-pretreated Celprogen podocytes (n=6) exposed to 3 μM recombinant N-terminal fragment of Serum Response-Associated (SRA) of Trypanosoma brucei rhodesiense in the pipette solution, and recorded immediately after establishment of a gigohm seal (gray bar) and ~110 s after seal establishment (black bar; data points overlap). *, p<0.041 vs ~0 sec; unpaired two-tailed t-test. Gigohm resistances were maintained throughout the recording periods.

Article Snippet: On-cell patch recording revealed G2 knock-in mouse podocyte cation currents with unitary conductance of 25.2±2.5 pS and NPo of 1.41±0.24 (n=3, −Vp = +50 mV, data not shown), similar to values recorded in on-cell patches of IFNγ-treated Celprogen human G0 podocytes ( ).

Techniques: Transferring, Two Tailed Test, Recombinant