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Kobayashi S. [Pharmacological Mechanisms of Boiogito and Bofutsushosan in Diabetes and Obesity Models]. YAKUGAKU ZASSHI 2018; 138:389-403. [PMID: 29503432 DOI: 10.1248/yakushi.17-00168] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The antihyperglycemic activities of extracts of boiogito (BOT) and bofutsushosan (BTS) were investigated in streptozotocin-induced (STZ)-diabetic mice. BOT extract containing Stephania tetrandra S. MOORE root (stephania), has more potent antihyperglycemic activity than BOT extract containing sinomenium stem (sinomenium). Extracts of stephania and astragalus root (astragalus) exert combined effects in the antihyperglycemic and insulinotropic activities of BOT extract. Fangchinoline, but not tetrandrine, in stephania plays a role in its activity. Formononetin in astragalus potentiates the actions of fangchinoline. Tetrandrine has antiangiogenic effects on choroidal vessels in STZ-diabetic rats, which are associated with the inhibition of tumor necrosis factor (TNF)-α-induced nuclear factor (NF)-κB activation. BTS extract has shown antihyperglycemic and insulinotropic activities whereas gardenia fruit (gardenia) extract in BTS has antihyperglycemic, but not insulinotropic, activity in the diabetic mice. Gardenia extract decreased the HOMA-IR level and increased insulin-stimulated 2-deoxyglucose (2-DG) uptake to skeletal muscle. The effects of gardenia extract on 2-DG uptake were associated with the upregulation of glucose transporter type 4 and Akt phosphorylation. Gardenia extract was also shown to have antihyperglycemic and insulinotropic actions in high-fat diet (HFD)-fed and STZ-diabetic mice. In addition, gardenia extract decreased the production of TNF-α and leptin, and increased the production of adiponectin in the visceral adipose tissues. In the early administration period, BTS extract increased mRNA expression levels of leptin, adiponectin, and UCP1 in brown adipose tissues in HFD-fed obese mice. With a longer duration of administration, BTS extract improved insulin resistance and subsequently reduced serum leptin and triglyceride levels in parallel with visceral adipose tissue volume and size.
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Roca F, Grossin N, Chassagne P, Puisieux F, Boulanger E. Glycation: the angiogenic paradox in aging and age-related disorders and diseases. Ageing Res Rev 2014; 15:146-60. [PMID: 24742501 DOI: 10.1016/j.arr.2014.03.009] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2014] [Revised: 03/26/2014] [Accepted: 03/31/2014] [Indexed: 01/09/2023]
Abstract
Angiogenesis is generally a quiescent process which, however, may be modified by different physiological and pathological conditions. The "angiogenic paradox" has been described in diabetes because this disease impairs the angiogenic response in a manner that differs depending on the organs involved and disease evolution. Aging is also associated with pro- and antiangiogenic processes. Glycation, the post-translational modification of proteins, increases with aging and the progression of diabetes. The effect of glycation on angiogenesis depends on the type of glycated proteins and cells involved. This complex link could be responsible for the "angiogenic paradox" in aging and age-related disorders and diseases. Using diabetes as a model, the present work has attempted to review the age-related angiogenic paradox, in particular the effects of glycation on angiogenesis during aging.
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Affiliation(s)
- F Roca
- Vascular Aging Biology, Blood-Vessel Interface and Vascular Repair Unit, Lille School of Medicine, Lille2 University, Lille, France; Geriatrics Department, Rouen University Hospital, Rouen, France.
| | - N Grossin
- Vascular Aging Biology, Blood-Vessel Interface and Vascular Repair Unit, Lille School of Medicine, Lille2 University, Lille, France
| | - P Chassagne
- Geriatrics Department, Rouen University Hospital, Rouen, France
| | - F Puisieux
- Vascular Aging Biology, Blood-Vessel Interface and Vascular Repair Unit, Lille School of Medicine, Lille2 University, Lille, France; Gerontology Clinic, Les Bateliers Geriatric Hospital, Lille University Hospital, Lille, France
| | - E Boulanger
- Vascular Aging Biology, Blood-Vessel Interface and Vascular Repair Unit, Lille School of Medicine, Lille2 University, Lille, France; Gerontology Clinic, Les Bateliers Geriatric Hospital, Lille University Hospital, Lille, France
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Shao Z, Friedlander M, Hurst CG, Cui Z, Pei DT, Evans LP, Juan AM, Tahir H, Duhamel F, Chen J, Sapieha P, Chemtob S, Joyal JS, Smith LEH. Choroid sprouting assay: an ex vivo model of microvascular angiogenesis. PLoS One 2013; 8:e69552. [PMID: 23922736 PMCID: PMC3724908 DOI: 10.1371/journal.pone.0069552] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2013] [Accepted: 06/11/2013] [Indexed: 12/14/2022] Open
Abstract
Angiogenesis of the microvasculature is central to the etiology of many diseases including proliferative retinopathy, age-related macular degeneration and cancer. A mouse model of microvascular angiogenesis would be very valuable and enable access to a wide range of genetically manipulated tissues that closely approximate small blood vessel growth in vivo. Vascular endothelial cells cultured in vitro are widely used, however, isolating pure vascular murine endothelial cells is technically challenging. A microvascular mouse explant model that is robust, quantitative and can be reproduced without difficulty would overcome these limitations. Here we characterized and optimized for reproducibility an organotypic microvascular angiogenesis mouse and rat model from the choroid, a microvascular bed in the posterior of eye. The choroidal tissues from C57BL/6J and 129S6/SvEvTac mice and Sprague Dawley rats were isolated and incubated in Matrigel. Vascular sprouting was comparable between choroid samples obtained from different animals of the same genetic background. The sprouting area, normalized to controls, was highly reproducible between independent experiments. We developed a semi-automated macro in ImageJ software to allow for more efficient quantification of sprouting area. Isolated choroid explants responded to manipulation of the external environment while maintaining the local interactions of endothelial cells with neighboring cells, including pericytes and macrophages as evidenced by immunohistochemistry and fluorescence-activated cell sorting (FACS) analysis. This reproducible ex vivo angiogenesis assay can be used to evaluate angiogenic potential of pharmacologic compounds on microvessels and can take advantage of genetically manipulated mouse tissue for microvascular disease research.
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Affiliation(s)
- Zhuo Shao
- Department of Ophthalmology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Mollie Friedlander
- Department of Ophthalmology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Christian G. Hurst
- Department of Ophthalmology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Zhenghao Cui
- Department of Ophthalmology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Dorothy T. Pei
- Department of Ophthalmology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Lucy P. Evans
- Department of Ophthalmology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Aimee M. Juan
- Department of Ophthalmology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Houda Tahir
- Departments of Pediatrics Ophthalmology and Pharmacology, Research Centers of CHU Sainte-Justine, Montreal, Quebec, Canada
| | - François Duhamel
- Department of Ophthalmology, Research Centers of Hôpital Maisonneuve-Rosemont, University of Montreal, Montreal, Quebec, Canada
- Departments of Pediatrics Ophthalmology and Pharmacology, Research Centers of CHU Sainte-Justine, Montreal, Quebec, Canada
| | - Jing Chen
- Department of Ophthalmology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Przemyslaw Sapieha
- Department of Ophthalmology, Research Centers of Hôpital Maisonneuve-Rosemont, University of Montreal, Montreal, Quebec, Canada
| | - Sylvain Chemtob
- Department of Ophthalmology, Research Centers of Hôpital Maisonneuve-Rosemont, University of Montreal, Montreal, Quebec, Canada
- Departments of Pediatrics Ophthalmology and Pharmacology, Research Centers of CHU Sainte-Justine, Montreal, Quebec, Canada
| | - Jean-Sébastien Joyal
- Department of Ophthalmology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Lois E. H. Smith
- Department of Ophthalmology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America
- * E-mail:
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Sugino IK, Sun Q, Wang J, Nunes CF, Cheewatrakoolpong N, Rapista A, Johnson AC, Malcuit C, Klimanskaya I, Lanza R, Zarbin MA. Comparison of FRPE and human embryonic stem cell-derived RPE behavior on aged human Bruch's membrane. Invest Ophthalmol Vis Sci 2011; 52:4979-97. [PMID: 21460262 DOI: 10.1167/iovs.10-5386] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
PURPOSE To compare RPE derived from human embryonic stem cells (hES-RPE) and fetal RPE (fRPE) behavior on human Bruch's membrane (BM) from aged and AMD donors. METHODS hES-RPE of 3 degrees of pigmentation and fRPE were cultured on BM explants. Explants were assessed by light, confocal, and scanning electron microscopy. Integrin mRNA levels were determined by real-time polymerase chain reaction studies. Secreted proteins in media were analyzed by multiplex protein analysis after 48-hour exposure at culture day 21. RESULTS hES-RPE showed impaired initial attachment compared to fRPE; pigmented hES-RPE showed nuclear densities similar to fRPE at day 21. At days 3 and 7, hES-RPE resurfaced BM to a limited degree, showed little proliferation (Ki-67), and partial retention of RPE markers (MITF, cytokeratin, and CRALBP). TUNEL-positive nuclei were abundant at day 3. fRPE exhibited substantial BM resurfacing at day 3 with decreased resurfacing at later times. Most fRPE retained RPE markers. Ki-67-positive nuclei decreased with time in culture. TUNEL staining was variable. Increased integrin mRNA expression did not appear to affect cell survival at day 21. hES-RPE and fRPE protein secretion was similar on equatorial BM except for higher levels of nerve growth factor and thrombospondin-2 (TSP2) by hES-RPE. On submacular BM, fRPE secreted more vascular endothelial growth factor (VEGF), brain-derived neurotrophic factor, and platelet-derived growth factor; hES-RPE secreted more TSP2. CONCLUSIONS Although pigmented hES-RPE and fRPE resurfaced aged and AMD BM to a similar, limited degree at day 21, cell behavior at earlier times was markedly dissimilar. Differences in protein secretion may indicate that hES-RPE may not function identically to native RPE after seeding on aged or AMD BM.
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Affiliation(s)
- Ilene K Sugino
- The Institute of Ophthalmology and Visual Science, New Jersey Medical School, University of Medicine and Dentistry of New Jersey, 90 Bergen Street, Newark, NJ 07101, USA
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Yu Q, Yasuda M, Takahashi T, Nomura M, Hagino N, Kobayashi S. Effects of Bofutsushosan and Gardeniae Fructus on Diabetic Serum Parameters in Streptozotocin-Induced Diabetic Mice. Chin Med 2011. [DOI: 10.4236/cm.2011.24022] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Guo ZJ, Niu HX, Hou FF, Zhang L, Fu N, Nagai R, Lu X, Chen BH, Shan YX, Tian JW, Nagaraj RH, Xie D, Zhang X. Advanced oxidation protein products activate vascular endothelial cells via a RAGE-mediated signaling pathway. Antioxid Redox Signal 2008; 10:1699-712. [PMID: 18576917 PMCID: PMC6464001 DOI: 10.1089/ars.2007.1999] [Citation(s) in RCA: 153] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The accumulation of advanced oxidation protein products (AOPPs) has been linked to vascular lesions in diabetes, chronic renal insufficiency, and atherosclerosis. However, the signaling pathway involved in AOPPs-induced endothelial cells (ECs) perturbation is unknown and was investigated. AOPPs modified human serum albumin (AOPPs-HSA) bound to the receptor for advanced glycation end products (RAGE) in a dose-dependent and saturable manner. AOPPs-HSA competitively inhibited the binding of soluble RAGE (sRAGE) with its preferential ligands advanced glycation end products (AGEs). Incubation of AOPPs, either prepared in vitro or isolated from uremic serum, with human umbilical vein ECs induced superoxide generation, activation of NAD(P)H oxidase, ERK 1/2 and p38, and nuclear translocation of NF-kappaB. Activation of signaling pathway by AOPPs-ECs interaction resulted in overexpression of VCAM-1 and ICAM-1 at both gene and protein levels. This AOPPs-triggered biochemical cascade in ECs was prevented by blocking RAGE with either anti-RAGE IgG or excess sRAGE, but was not affected by the neutralizing anti-AGEs IgG. These data suggested that AOPPs might be new ligands of endothelial RAGE. AOPPs-HSA activates vascular ECs via RAGE-mediated signals.
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Affiliation(s)
- Zhi Jian Guo
- Division of Nephrology, Nanfang Hospital, Guangzhou, China
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Tsutsumi T, Hagino N, Liang XC, Guo SS, Kobayashi S. Effects of oral administration of Stephania tetrandra S. Moore on neovascularization of retinal and choroidal capillaries of diabetes in rats. Phytother Res 2008; 22:591-6. [PMID: 18444245 DOI: 10.1002/ptr.2202] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
In rats, an injection of streptozotocin (STZ) elevated blood levels of glucose 4 weeks later (STZ-induced diabetes) and an over-production of microvessels of retinal and choroidal capillaries of eyes developed. A previous study has shown that administration of Stephania tetrandra S. Moore (STSM) in culture prevented the over-production of microvessels of those capillaries of STZ-induced diabetes in vitro. Therefore, the study investigated whether or not orally administered STSM could inhibit over-production of microvessels of those capillaries of STZ injected rats in vivo. When STSM was given at the same time as the STZ injection and continued daily for 7 weeks, STSM prevented the elevation of blood glucose level and over-production of microvessels of those capillaries. When STSM was given after elevation of blood glucose level of glucose (4 weeks after STZ injection) and continued daily for 4 weeks, STSM lowered the elevated blood glucose level but had no effect on the over-production of microvessels of those capillaries. It was inferred that deposition of N(epsilon)(carboxymethyl) lysine in retinal and choroidal tissues, which is induced by STZ-induced diabetes may deteriorate the blood-retinal barrier and the blood-choroidal barrier. One might, therefore, speculate that advanced STZ-induced diabetes may deteriorate the blood-retinal barrier and blood-choroidal barrier. Therefore, STSM may not reach the retinal and choroidal tissues in the posterior ocular region in vivo.
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Affiliation(s)
- Taiki Tsutsumi
- Tulane University Hebert Research Center, and Department of Medicine, Tulane University Health Sciences Center, School of Medicine, 3705 Main Street, Belle Chasse, LA 70037, USA
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Ma W, Nomura M, Takahashi-Nishioka T, Kobayashi S. Combined effects of fangchinoline from Stephania tetrandra Radix and formononetin and calycosin from Astragalus membranaceus Radix on hyperglycemia and hypoinsulinemia in streptozotocin-diabetic mice. Biol Pharm Bull 2007; 30:2079-83. [PMID: 17978479 DOI: 10.1248/bpb.30.2079] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The anti-hyperglycemic action of Stephania tetrandra Radix (Stephania) is potentiated by Astragalus membranaceus BUNGE Radix (Astragali) in streptozotocin (STZ)-diabetic ddY mice (Tsutsumi et al., Biol. Pharm. Bull., 26, 313 (2003)). Fangchinoline (0.3-3 mg/kg), a main constituent of Stephania, decreased the high level of blood glucose and increased the low level of blood insulin in STZ-diabetic mice. Here, we investigated the combined effects of fangchinoline with isoflavone or isoflavonoid components (formononetin, calycosin and ononin) of Astragali on the hyperglycemia and hypoinsulinemia of STZ-diabetic mice. Formononetin, calycosin and ononin (0.03-0.1 mg/kg) alone did not affect the blood glucose or blood insulin level of the diabetic mice. Formononetin and calycosin (0.03-0.1 mg/kg) potentiated the anti-hyperglycemic action of fangchinoline (0.3 mg/kg), but ononin did not. Formononetin (0.1 mg/kg) facilitated the fangchinoline-induced insulin release, and calycosin (0.1 mg/kg) also facilitated it, though without statistical significance. In conclusion, the combined effect of fangchinoline with formononetin and calycosin on hyperglycemia in the diabetic mice accounted well for the therapeutic effect of the combination of Stephania with Astragali in Boi-ogi-to. The anti-hyperglycemic action of formononetin appeared to be due to its potentiating action on insulin release. Our strategy for studying combinations of crude drugs and their components in Kampo medicine has uncovered new potentiating effects of formononetin and calycosin on the anti-hyperglycemic action of fangchinoline in STZ-diabetic mice.
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Affiliation(s)
- Wenjie Ma
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Hokuriku University, 3-Ho Kanagawa-Machi, Kanazawa, Japan
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Kobayashi S, Nomura M, Nishioka T, Kikuchi M, Ishihara A, Nagai R, Hagino N. Overproduction of N(epsilon)-(carboxymethyl)lysine-induced neovascularization in cultured choroidal explant of aged rat. Biol Pharm Bull 2007; 30:133-8. [PMID: 17202673 DOI: 10.1248/bpb.30.133] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
N(epsilon)-(carboxymethyl)lysine (CML) adduct, a major structure of advanced glycation end product, facilitated production of immature microvessels from choroidal explant cultured in fibrin gel. The present study was investigated an action of endogenous CML adduct on neovascularization of cultured choroidal explants of aged Wistar rats with 9 months of age. The number of microvessels budded from explants was counted under optical microscope and used as an index of in vitro neovascularization. Aged choroidal explants increased the neovascularization in an age-dependent manner. Anti-CML antibody decreased age-facilitated neovascularization as well as CML-human serum albumin (HSA)-facilitated neovascularization. Both the aged explant and CML-HSA-treated explant significantly released vascular endothelial growth factor (VEGF), tumor necrosis factor (TNF) alpha and platelet-derived growth factor (PDGF)-B during the culture period. The release of TNF alpha and PDGF-B was earlier than that of VEGF from the aged explants. The antibodies against these factors decreased the CML-facilitated and age-facilitated neovascularization in the choroidal explants. The inhibitory capacity of anti-TNF alpha antibody was greater than those of anti-VEGF and anti-PDGF-B antibodies. In conclusion, endogenous CML adduct overproduced the neovascularization of the aged choroidal explant. The CML adduct releases TNF alpha which might induce the production and release of VEGF for the abnormal choroidal neovascularization in the patients of age-related macular degeneration.
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Affiliation(s)
- Shinjiro Kobayashi
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Hokuriku University, Kanazawa, Japan.
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Abstract
Patients with chronic hepatitis C virus (HCV) infection have a significantly increased prevalence of type 2 diabetes mellitus compared to controls or HBV-infected patients. Moreover, the incidence rate of post-liver transplantation diabetes mellitus (PTDM) also appears to be higher among patients with HCV infection. PTDM is often associated with direct viral infection, autoimmune disorders, and immunosuppressive regimen. Activation of tumor necrosis factor-α may be the link between HCV infection and diabetes. In this article, we reviewed the epidemiologic association between HCV infection and PTDM, highlighting the most recent pathophysiologic insights into the mechanisms underlying this association.
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Affiliation(s)
- Yun Ma
- Department of Organ Transplantation, Tianjin First Central Hospital, Tianjin 300192, China
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Kobayashi S, Fukuta M, Suzuki M, Tsuneki H, Kimura I. Inhibitory effect of nifedipine on tumor necrosis factor alpha-induced neovascularization in cultured choroidal explants of streptozotocin-diabetic rat. Biol Pharm Bull 2005; 28:242-6. [PMID: 15684477 DOI: 10.1248/bpb.28.242] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
We have previously reported that the Nepsilon (carboxymethyl)lysine (CML) adduct, a major structure of an advanced glycation end product, facilitates proliferation of CD34+ endothelial progenitor cells budded from cultured choroidal explants and produces immature vessel-like structures in fibrin gel. The CML adduct is accumulated and facilitates immature neovascularization in cultured choroidal explants of streptozotocin (STZ)-induced diabetic rat. The CML-enhanced neovascularization activity is associated with the actions of tumor necrosis factor (TNF) alpha, vascular endothelial growth factor and platelet-derived growth factor released from the choroidal explant (Kobayashi et al., Biol. Pharm. Bull., 27, 1382-1387 (2004); 27, 1565-1571 (2004)). The present study was investigated an inhibitory effect of a dihydropyridine calcium antagonist nifedipine on TNF alpha-induced choroidal neovascularization in the STZ-diabetic rat. TNF alpha (1-100 ng/ml) increased neovascularization of cultured choroidal explants in the age-matched normal rat but did not increase it in the diabetic rat. Anti-TNF alpha antibody (1 : 1000) decreased the neovascularization in the diabetic rat but not in the normal rat. Nifedipine (1 microM) inhibited TNF alpha-induced neovascularization of the normal choroidal explant in a non-competitive manner. Nifedipine (1 microM) also inhibited the diabetic state-induced neovascularization and its inhibitory action was reversed by TNF alpha (1-10 ng/ml). In conclusion, STZ-diabetic state facilitated choroidal neovascularization through the release of TNF alpha. Nifedipine inhibited the action of TNF alpha probably by blocking voltage-dependent Ca2+ channels in the endothelial progenitor cells of the diabetic choroid.
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Affiliation(s)
- Shinjiro Kobayashi
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Hokuriku University, 3-Ho Kanagawa-machi, Kanazawa 920-1181, Japan.
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