Joseph L. Unthank, Ph.D.

Tuttle JL, Sanders BM, Burkhart HM, Fath SW, Kerr KA, Watson WC, Herring BP, Dalsing MC and Unthank JL. Impaired collateral artery development in spontaneously hypertensive rats. Microcirculation 9: 343-351, 2002. Abstract

Tuttle JL, Hahn TL, Sanders BM, Witzmann FA, Miller SJ, Dalsing MC and Unthank JL. Impaired collateral development in mature rats. American Journal of Physiology-Heart and Circulatory Physiology 283: H146-H155, 2002. Abstract

Tuttle, J. L., R. D. Nachreiner, A. S. Bhuller, K. W. Condict, B. A. Connors, B. P. Herring, M. C. Dalsing, and J. L. Unthank. Shear level influences resistance artery remodeling: wall dimensions, cell density, and eNOS expression. Am.J.Physiol Heart Circ.Physiol 281: H1380-H1389, 2001. Abstract

Korthuis, R. J. and J. L. Unthank. Experimental models to investigate inflammatory processes in chronic venous insufficiency. Microcirculation. 7: S13-S22, 2000. Abstract

Hahn, T. L., R. Whitfield, J. Salter, D. N. Granger, J. L. Unthank, and S. G. Lalka. Evaluation of the role of intercellular adhesion molecule 1 in a rodent model of chronic venous hypertension. J.Surg.Res 88:150-154,2000. Abstract

Sawchuk, A. P., J. L. Unthank, and M. C. Dalsing. Drag reducing polymers may decrease atherosclerosis by increasing shear in areas normally exposed to low shear stress. J.Vasc.Surg. 30:761-764,1999. Abstract

Hahn, T. L., J. L. Unthank, and S. G. Lalka. Increased hindlimb leukocyte concentration in a chronic rodent model of venous hypertension. J.Surg.Res 81:38-41,1999. Abstract

Fath, S. W., H. M. Burkhart, S. C. Miller, M. C. Dalsing, and J. L. Unthank. Wall remodeling after wall shear rate normalization in rat mesenteric arterial collaterals. J.Vasc.Res 35:257-264,1998. Abstract

Hyre, C. E., J. L. Unthank, and M. C. Dalsing. Direct in vivo measurement of flow-dependent nitric oxide production in mesenteric resistance arteries. J.Vasc.Surg. 27:726-732,1998. Abstract

Lalka, S. G., J. L. Unthank, and J. C. Nixon. Elevated cutaneous leukocyte concentration in a rodent model of acute venous hypertension. J.Surg.Res 74:59-63,1998. Abstract

Tulis, D. A., J. L. Unthank, and R. L. Prewitt. Flow-induced arterial remodeling in rat mesenteric vasculature. Am.J.Physiol 274:H874-H882,1998. Abstract

Roberts, K. C., C. Nixon, J. L. Unthank, and J. M. Lash. Femoral artery ligation stimulates capillary growth and limits training-induced increases in oxidative capacity in rats. Microcirculation. 4:253-260,1997. Abstract

Unthank, J. L., J. C. Nixon, and M. C. Dalsing. Nitric oxide maintains dilation of immature and mature collaterals in rat hindlimb. J.Vasc.Res 33:471-479,1996. Abstract

Unthank, J. L., S. W. Fath, H. M. Burkhart, S. C. Miller, and M. C. Dalsing. Wall remodeling during luminal expansion of mesenteric arterial collaterals in the rat. Circ.Res 79:1015-1023,1996. Abstract

Unthank, J. L., J. C. Nixon, H. M. Burkhart, S. W. Fath, and M. C. Dalsing. Early collateral and microvascular adaptations to intestinal artery occlusion in rat. Am.J.Physiol 271:H914-H923,1996. Abstract

Unthank, J. L., J. C. Nixon, and M. C. Dalsing. Inhibition of NO synthase prevents acute collateral artery dilation in the rat hindlimb. J.Surg.Res 61:463-468,1996. Absract

Unthank, J. L., J. C. Nixon, and J. M. Lash. Early adaptations in collateral and microvascular resistances after ligation of the rat femoral artery. J.Appl.Physiol 79:73-82,1995. Abstract

Yang, R., Q. Liu, J. L. Unthank, M. D. Pescovitz, and J. L. Grosfeld. Preservation of postprandial intestinal hyperemic response after small bowel transplantation. J.Pediatr.Surg. 30:1090-1092,1995. Abstract

Wilcox, M. G., T. J. Howard, L. A. Plaskon, J. L. Unthank, and J. A. Madura. Current theories of pathogenesis and treatment of nonocclusive mesenteric ischemia. Dig.Dis.Sci. 40:709-716,1995. Abstract

Lash, J. M., J. C. Nixon, and J. L. Unthank. Exercise training effects on collateral and microvascular resistances in rat model of arterial insufficiency. Am.J.Physiol 268:H125-H137,1995. Abstract

Unthank, J. L., J. C. Nixon, and M. C. Dalsing. Acute compensation to abrupt occlusion of rat femoral artery is prevented by NO synthase inhibitors [published errata appear in Am J Physiol 1995 Mar;268(3 Pt 2):section H following table of contents and 1995 Jun;268(6 Pt 3):section H following table of contents]. Am.J.Physiol 267:H2523-H2530,1994. Abstract

Dalsing, M. C., S. G. Lalka, A. J. Zukowski, J. L. Unthank, A. P. Sawchuk, and D. F. Cikrit. Valve transplantation to the canine popliteal vein: the utility of a distal arteriovenous fistula and the hemodynamic result of a single functional valve. J.Vasc.Surg. 20:736-743,1994. Abstract

Dalsing, M. C., A. J. Zukowski, J. L. Unthank, S. G. Lalka, A. P. Sawchuk, and D. F. Cikrit. Details of a canine venous insufficiency model. J.Invest Surg. 7:85-93,1994. Abstract

Sawchuk, A. P., J. L. Unthank, T. E. Davis, and M. C. Dalsing. A prospective, in vivo study of the relationship between blood flow hemodynamics and atherosclerosis in a hyperlipidemic swine model. J.Vasc.Surg. 19:58-63,1994. Abstract

Unthank, J. L., J. M. Lash, J. C. Nixon, R. A. Sidner, and H. G. Bohlen. Evaluation of carbocyanine-labeled erythrocytes for microvascular measurements. Microvasc.Res 45:193-210,1993. Abstract

Unthank, J. L., S. G. Lalka, J. C. Nixon, and A. P. Sawchuk. Improvement of flow through arterial stenoses by drag reducing agents. J.Surg.Res 53:625-630,1992. Abstract

Unthank, J. L. Skin arteriolar responses to local temperature changes in hypertensive rats. Hypertension 20:46-53,1992. Abstract

Dalsing, M. C., S. G. Lalka, J. L. Unthank, R. J. Grieshop, C. Nixon, and T. Davis. Venous valvular insufficiency: influence of a single venous valve (native and experimental). J.Vasc.Surg. 14:576-587,1991. Abstract

Lalka, S. G., J. L. Unthank, J. M. Lash, J. G. McGue, D. F. Cikrit, A. P. Sawchuk, and M. C. Dalsing. Hemodynamic effects of varied graft diameters in the venous system. Surgery 110:73-79,1991. Abstract

Lalka, S. G., J. M. Lash, J. L. Unthank, V. K. Lalka, D. F. Cikrit, A. P. Sawchuk, and M. C. Dalsing. Inadequacy of saphenous vein grafts for cross-femoral venous bypass. J.Vasc.Surg. 13:622-630,1991. Abstract

Lalka, S. G., J. L. Unthank, J. G. McGue, D. F. Cikrit, A. P. Sawchuk, and M. C. Dalsing. Arteriovenous fistulas as adjuncts to venous bypass grafts. J.Invest Surg. 4:125-136,1991. Abstract

Lalka, S. G., J. L. Unthank, M. C. Dalsing, D. F. Cikrit, and A. P. Sawchuk. Venous hemodynamics in a chronic venous valvular insufficiency model. Arch.Surg. 125:1579-1583,1990. Abstract

Unthank, J. L., J. M. Lash, and H. G. Bohlen. Maturation of the rat intestinal microvasculature from juvenile to early adult life. Am.J.Physiol 259:G282-G289,1990. Abstract

Cikrit, D. F., M. C. Dalsing, T. S. Weinstein, K. Palmer, S. G. Lalka, and J. L. Unthank.CO2-welded venous anastomosis: enhancement of weld strength with heterologous fibrin glue. Lasers Surg.Med. 10:584-590,1990. Abstract

Bohlen, H. G. and J. L. Unthank. Rat intestinal lymph osmolarity during glucose and oleic acid absorption. Am.J.Physiol 257:G438-G446,1989. Abstract

Dalsing, M. C., M. Kevorkian, B. Raper, C. Nixon, S. G. Lalka, D. F. Cikrit, J. L. Unthank, and M. B. Herring. An experimental collagen-impregnated Dacron graft: potential for endothelial seeding. Ann.Vasc.Surg. 3:127-133,1989. Abstract

Unthank, J. L. and H. G. Bohlen. Intestinal microvascular growth during maturation in diabetic juvenile rats. Circ.Res 63:429-436,1988. Abstract

Unthank, J. L. and H. G. Bohlen. Lymphatic pathways and role of valves in lymph propulsion from small intestine. Am.J.Physiol 254:G389-G398,1988. Abstract

Unthank, J. L. and R. D. Hogan. Modulation of the spontaneous contractions of the initial lymphatics of the bat's wing by arterial and venous occlusion. Blood Vessels 25:115-121,1988. Abstract

Unthank, J. L. and H. G. Bohlen. Quantification of intestinal microvascular growth during maturation: techniques and observations. Circ.Res 61:616-624,1987. Abstract

Unthank, J. L. and R. D. Hogan. The effect of vasoactive agents on the contractions of the initial lymphatics of the bat's wing. Blood Vessels 24:31-44,1987. Abstract

Hogan, R. D. and J. L. Unthank. Mechanical control of initial lymphatic contractile behavior in bat's wing. Am.J.Physiol 251:H357-H363,1986. Abstract

Hogan, R. D. and J. L. Unthank. The initial lymphatics as sensors of interstitial fluid volume. Microvasc.Res 31:317-324,1986. Abstract