Electrolyte Composition of Mink (Mustela vison) Erythrocytes and Active Cation Transporters of the Cell Membrane

Table 1 Dry matter and electrolyte concentrations in plasma and erythrocytes before (first column: mmoles per l plasma or per kg erythrocytes) and after correction for dry matter (second column: mmoles per kg H₂O). Values are ± SEM

			Dry matter	Na⁺		K⁺		Cl^-
	1998	(n = 12)	7.81 ± 0.16	151.5 ± 1.3	164.3 ± 1.4	3.9 ± 0.3	4.4 ± 0.3#	102.5 ± 1.3	111.1 ± 1.3
Plasma	1999a	(n = 12)	8.56 ± 0.12	152.3 ± 0.5	166.7 ± 0.5**	4.2 ± 0.0	4.6 ± 0.0**	99.7 ± 1.5	109.0 ± 1.7**
	1999b	(n = 12)	7.88 ± 0.10	152.1 ± 0.4	165.2 ± 0.4**	3.8 ± 0.1	4.1 ± 0.1*	112.5 ± 1.0	121.9 ± 1.0**
	1998	(n = 11)	38.75 ± 0.72	98.2 ± 4.9	160.7 ± 8.3	2.2 ± 0.3	3.5 ± 0.4#
Erythr.	1999a	(n = 12)	41.49 ± 0.21	83.2 ± 1.8	142.3 ± 3.0**	1.1 ± 0.1	1.9 ± 0.1**	98.6 ± 2.9	168.6 ± 5.1**
	1999b	(n = 12)	42.51 ± 0.30	75.6 ± 2.1	131.4 ± 4.2**	2.0 ± 0.1	3.5 ± 0.1*	82.8 ± 2.6	144.1 ± 4.7**
						Ca²⁺		Mg²⁺
	1998	(n = 12)				1.89 ± 0.03	2.05 ± 0.04**	0.88 ± 0.05	0.95 ± 0.06**
Plasma	1999a	(n = 12)				2.11 ± 0.04	2.31 ± 0.04**	1.33 ± 0.02	1.45 ± 0.02**
	1999b	(n = 12)				2.47 ± 0.02	2.68 ± 0.02**	1.11 ± 0.02	1.21 ± 0.02**
	1998	(n = 11)				0.086 ± 0.006	0.138 ± 0.010**	2.98 ± 0.15	4.92 ± 0.30**
Erythr.	1999a	(n = 12)				0.052 ± 0.006	0.088 ± 0.010**	3.89 ± 0.20	6.64 ± 0.35**
	1999b	(n = 12)				0.098 ± 0.004	0.171 ± 0.006**	4.01 ± 0.25	6.97 ± 0.43**

ISSN: 1751-0147