UMLS:C0033036 - FACTA Search

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Query: UMLS:C0033036 (APC)
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Gateways to Clinical Trials is a guide to the most recent clinical trials in current literature and congresses. The data in the following tables has been retrieved from the Clinical Studies knowledge area of Prous Science Integrity(R), the drug discovery and development portal, http://integrity.prous.com. This issue focuses on the following selection of drugs: AdGVVEGF121.10, anakinra, andolast, anidulafungin, APC-2059, l-arginine hydrochloride, aripiprazole, arzoxifene hydrochloride, asimadoline; Bexarotene, bimatoprost, bimosiamose, bizelesin, BMS-188667, botulinum toxin type B, bromfenac sodium, bryostatin 1; Cannabidiol, cariporide mesilate, CCI-1004, CDP-571, cerivastatin sodium, clevudine; Dalbavancin, darbepoetin alfa, decitabine, deligoparin sodium, diethylnorspermine, drotrecogin alfa (activated), DTaP-HBV-IPV/Hib-vaccine; E-5564, eculizumab, edodekin alfa, emtricitabine, enfuvirtide, (-)-epigallocatechin gallate, eplerenone, esomeprazole magnesium, etaquine, etoricoxib, ezetimibe; Fesoterodine, fipamezole hydrochloride, fondaparinux sodium, fosamprenavir calcium, frovatriptan, fulvestrant; Gadofosveset sodium, galiximab, ghrelin (human), glufosfamide; Homoharringtonine; Idraparinux sodium, imatinib mesylate, INS-37217; KRN-7000; L-651582, lafutidine, lanthanum carbonate, lenercept, levetiracetam, lusupultide; Magnesium sulfate, melatonin, mepolizumab, midostaurin, morphine hydrochloride, mozavaptan; Natalizumab, nesiritide; OPC-51803, oregovomab, oritavancin; Peginterferon alfa-2(a), pleconaril, plevitrexed, prasterone, pregabalin; Ranibizumab, Ro-31-7453, roxifiban acetate, rubitecan; SCV-07, SHL-749, sho-saiko-to, soblidotin, solifenacin succinate; Tegaserod maleate, telithromycin, tenecteplase, theraCIM, tipifarnib, travoprost; Valdecoxib, vardenafil hydrochloride hydrate, voriconazole; Ximelagatran; Ziprasidone hydrochloride, ZYC-00101.
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PMID:Gateways to clinical trials. 1285 63

The aim of the present study was to characterize the effects of pituitary adenylate cyclase activating polypeptide (PACAP) on the endocrine pancreas in anesthetized dogs. PACAP(1-27) and a PACAP receptor (PAC(1)) blocker, PACAP(6-27), were locally administered to the pancreas. PACAP(1-27) (0.005-5 microg) increased basal insulin and glucagon secretion in a dose-dependent manner. PACAP(6-27) (200 microg) blocked the glucagon response to PACAP(1-27) (0.5 microg) by about 80%, while the insulin response remained unchanged. With a higher dose of PACAP(6-27) (500 microg), both responses to PACAP(1-27) were inhibited by more than 80%. In the presence of atropine with an equivalent dose (128.2 microg) of PACAP(6-27) (500 microg) on a molar basis, the insulin response to PACAP(1-27) was diminished by about 20%, while the glucagon response was enhanced by about 80%. The PACAP(1-27)-induced increase in pancreatic venous blood flow was blocked by PACAP(6-27) but not by atropine. The study suggests that the endocrine secretagogue effect of PACAP(1-27) is primarily mediated by the PAC(1) receptor, and that PACAP(1-27) may interact with muscarinic receptor function in PACAP-induced insulin and glucagon secretion in the canine pancreas in vivo.
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PMID:Effects of PACAP(1-27) on the canine endocrine pancreas in vivo: interaction with cholinergic mechanism. 1289 20

The Escherichia coli GABA (gamma-aminobutyric acid) permease GabP is a prototypical APC (amine/polyamine/choline) super-family transporter that has a CAR (consensus amphipathic region) containing multiple specificity determinants, ostensibly organized on two helical surfaces, one hydrophobic [SHS (sensitive hydrophobic surface)] and the other hydrophilic [SPS (sensitive polar surface)]. To gauge the functional effects of placing alanine insertions at close intervals across the entire GabP CAR, 64 insertion variants were constructed. Insertions, particularly those in the SHS and the SPS, were highly detrimental to steady-state [(3)H]GABA accumulation. TSR (transport specificity ratio) analysis, employing [(3)H]nipecotic acid and [(14)C]GABA, showed that certain alanine insertions were associated with a specificity shift (i.e. a change in k (cat)/ K (m)). An insertion (INS Ala-269) located N-terminal to the SHS increased specificity for [(3)H]nipecotic acid relative to [(14)C]GABA, whereas an insertion (INS Ala-321) located C-terminal to the SPS had the opposite effect. Overall, the results are consistent with a working hypothesis that the GabP CAR contains extensive functional surfaces that may be manipulated by insertion mutagenesis to alter the specificity ( k (cat)/ K (m)) phenotype. The thermodynamic basis of TSR analysis provides generality, suggesting that amino acid insertions could affect specificity in many other transporters, particularly those such as the E. coli phenylalanine permease PheP [Pi, Chow and Pittard (2002) J. Bacteriol. 184, 5842-5847] that have a functionally significant CAR-like domain.
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PMID:Induction of substrate specificity shifts by placement of alanine insertions within the consensus amphipathic region of the Escherichia coli GABA (gamma-aminobutyric acid) transporter encoded by gabP. 1295 23

Gateways to Clinical Trials is a guide to the most recent clinical trials in current literature and congresses. The data in the following tables has been retrieved from the Clinical Studies Knowledge Area of Prous Science Integrity(R), the drug discovery and development portal, http://integrity.prous.com. This issue focuses on the following selection of drugs: Activated protein C concentrate, Ad-CD154, Adeno-Interferon gamma, alemtuzumab, APC-8024, 9-aminocamptothecin, aprepitant, l-arginine hydrochloride, aripiprazole, arsenic trioxide, asimadoline; O6-Benzylguanine, bevacizumab, Bi-20, binodenoson, biphasic insulin aspart, bivatuzumab, 186Re-bivatuzumab, BMS-181176, bosentan, botulinum toxin type B, BQ-123, bryostatin 1; Carboxy- amidotriazole, caspofungin acetate, CB-1954, CC-4047, CDP-860, cerivastatin sodium, clevidipine, CTL-102; 3,4-DAP, darbepoetin alfa, decitabine, desloratadine, DHA-paclitaxel, duloxetine hydrochloride; Efalizumab, EGF vaccine, eletriptan, eniluracil, ENMD-0997, eplerenone, eplivanserin, erlosamide, ertapenem sodium, escitalopram oxalate, esomeprazole magnesium, eszopiclone, everolimus, exatecan mesilate, exenatide, ezetimibe; Fondaparinux sodium, FR-901228, FTY-720; Gefitinib, gemtuzumab ozogamicin, gepirone hydrochloride; Hexyl insulin M2, human insulin; Imatinib mesylate, insulin detemir, insulin glargine, iodine (I131) tositumomab, ISV-205, ivabradine hydrochloride, ixabepilone; Levetiracetam, levocetirizine, linezolid, liposomal NDDP, lonafarnib, lopinavir, LY-156735; Mafosfamide cyclohexylamine salt, magnesium sulfate, maxacalcitol, meclinertant, melagatran, melatonin, MENT, mepolizumab, micafungin sodium, midostaurin, motexafin gadolinium; Nesiritide, NS-1209, NSC-601316, NSC-683864; Osanetant; Palonosetron hydrochloride, parecoxib sodium, pegaptanib sodium, peginterferon alfa-2a, peginterferon alfa-2b, pegylated OB protein, pemetrexed disodium, perillyl alcohol, picoplatin, pimecrolimus, pixantrone maleate, plevitrexed, polyglutamate paclitaxel, posurdex, pramlintide acetate, prasterone, pregabalin; Rasburicase, rimonabant hydrochloride, rostaporfin, rosuvastatin calcium; SDZ-SID-791, sibrotuzumab, sorafenib, SU-11248; Tadalafil, targinine, tegaserod maleate, telithromycin, TheraCIM, tigecycline, tiotropium bromide, tipifarnib, tirapazamine, treprostinil sodium; Valdecoxib, Valganciclovir hydrochloride, Vardenafil hydrochloride hydrate; Ximelagatran; Zofenopril calcium, Zoledronic acid monohydrate.
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PMID:Gateways to clinical trials. 1507 12

Gateways to Clinical Trials is a guide to the most recent clinical trials in current literature and congresses. The data in the following tables has been retrieved from the Clinical Studies Knowledge Area of Prous Science Integrity(R), the drug discovery and development portal, http://integrity.prous.com. This issue focuses on the following selection of drugs: ABI-007, adalimumab, adefovir dipivoxil, alefacept, alemtuzumab, 3-AP, AP-12009, APC-8015, L-Arginine hydrochloride, aripiprazole, arundic acid, avasimibe; Bevacizumab, bivatuzumab, BMS-181176, BMS-184476, BMS-188797, bortezomib, bosentan, botulinum toxin type B, BQ-123, BRL-55730, bryostatin 1; CEP-1347, cetuximab, cinacalcet hydrochloride, CP-461, CpG-7909; D-003, dabuzalgron hydrochloride, darbepoetin alfa, desloratadine, desoxyepothilone B, dexmethylphenidate hydrochloride, DHA-paclitaxel, diflomotecan, DN-101, DP-b99, drotrecogin alfa (activated), duloxetine hydrochloride, duramycin; Eculizumab, Efalizumab, EKB-569, elcometrine, enfuvirtide, eplerenone, erlotinib hydrochloride, ertapenem sodium, eszopiclone, everolimus, exatecan mesilate, ezetimibe; Fenretinide, fosamprenavir calcium, frovatriptan; GD2L-KLH conjugate vaccine, gefitinib, glufosfamide, GTI-2040; Hexyl insulin M2, human insulin, hydroquinone, gamma-Hydroxybutyrate sodium; IL-4(38-37)-PE38KDEL, imatinib mesylate, indisulam, inhaled insulin, ixabepilone; KRN-5500; LY-544344; MDX-210, melatonin, mepolizumab, motexafin gadolinium; Natalizumab, NSC-330507, NSC-683864; 1-Octanol, omalizumab, ortataxel; Pagoclone, peginterferon alfa-2a, peginterferon alfa-2b, pemetrexed disodium, phenoxodiol, pimecrolimus, plevitrexed, polyphenon E, pramlintide acetate, prasterone, pregabalin, PX-12; QS-21; Ragaglitazar, ranelic acid distrontium salt, RDP-58, recombinant glucagon-like peptide-1 (7-36) amide, repinotan hydrochloride, rhEndostatin, rh-Lactoferrin, (R)-roscovitine; S-8184, semaxanib, sitafloxacin hydrate, sitaxsentan sodium, sorafenib, synthadotin; Tadalafil, tesmilifene hydrochloride, theratope, tipifarnib, tirapazamine, topixantrone hydrochloride, trabectedin, traxoprodil, Tri-Luma; Valdecoxib, valganciclovir hydrochloride, vinflunine; Ximelagatran; Ziconotide.
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PMID:Gateways to clinical trials. 1514 27

Peritoneal dialysis (PD) solutions with amino acids (AAs) were developed as an alternative to glucose-based PD solutions for chronic renal failure. Although AA solution has many theoretical advantages, the results reported in the literature are still not convincing. Treatment of ARF is a complex problem. To tackle it, we investigated a PD solution based on a mixture of Nutrineal (Baxter Healthcare SA, Castlebar, Ireland) and Dianeal (Baxter Healthcare SA), mixed on the heating plate of the PAC Xtra cycler (Baxter Healthcare SA). The resulting solution was expected to lower the glucose load without affecting dialysis adequacy. We retrospectively analyzed data in children treated with the mixture, and evaluated safety, dialysis adequacy, acidosis, and nutritional state (albumin). Glucose reabsorption and protein losses were significantly lower when mixed AA-glucose solution was used. Despite significant AA absorption in the patients, we observed no significant difference in plasma albumin levels. Reabsorption from the dialysate of AAs varied between 21% and 69%, resulting in 27% +/- 12% of daily AA intake. Reabsorption of glucose from the dialysate was 32% - 72%. In children in intensive care, who are often already very sensitive, an AA-containing mixture may help to control glycemia, subsequently reducing the need for insulin. Our data demonstrate that the calculated percentage reabsorption of glucose and AAs is high and that AA levels in plasma remain stable. Although our data do not demonstrate a potential influence on final outcome, they demonstrate the feasibility and safety of using combined AA-glucose solution, with a calculated resorption that lends nutritional support.
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PMID:Combined amino-acid and glucose peritoneal dialysis solution for children with acute renal failure. 1538 32

Gateways to Clinical Trials is a guide to the most recent clinical trials in current literature and congresses. The data in the following tables has been retrieved from the Clinical Trials Knowledge Area of Prous Science Integrity, the drug discovery and development portal, http://integrity.prous.com. This issue focuses on the following selection of drugs: 101M, 166Ho-DOTMP, 3-AP; Abatacept, abetimus sodium, ACR-16, adefovir dipivoxil, alefacept, AMD-070, aminolevulinic acid hexyl ester, anatumomab mafenatox, anti-CTLA-4 MAb, antigastrin therapeutic vaccine, AP-12009, AP-23573, APC-8024, aripiprazole, ATL-962, atomoxetine hydrochloride; Bevacizumab, bimatoprost, bortezomib, bosentan, BR-1; Calcipotriol/betamethasone dipropionate, cinacalcet hydrochloride, clofazimine, colchicine, cold-adapted influenza vaccine trivalent, CRM197; Desloratadine, desoxyepothilone B, diethylhomospermine; Edodekin alfa, efalizumab, elcometrine, eletriptan, enfuvirtide, entecavir, EP-2101, eplerenone, erlotinib hydrochloride, etoricoxib, everolimus, exherin, ezetimibe; Febuxostat, fluorescein lisicol, fosamprenavir calcium, frovatriptan; Hemoglobin raffimer, HSPPC-96, human insulin; Imatinib mesylate, insulin detemir, insulin glargine, IRX-2, istradefylline, IV gamma-globulin, ixabepilone; Kahalalide F; L-759274, levodopa/carbidopa/entacapone, licofelone, lonafarnib, lopinavir, lurtotecan, LY-156735; MAb G250, mecasermin, melatonin, midostaurin, muraglitazar; Nesiritide, nitronaproxen; O6-Benzylguanine, olmesartan medoxomil, olmesartan medoxomil/hydrochlorothiazide, omapatrilat, oral insulin; Parecoxib sodium, PCK-3145, peginterferon alfa-2a, peginterferon alfa-2b, peginterferon alfa-2b/ ribavirin, pemetrexed disodium, peptide YY3-36, PG-CPT, phenoxodiol, pimecrolimus, posaconazole; Rasagiline mesilate, rDNA insulin, RG228, rimonabant hydrochloride, rosuvastatin calcium, rotigotine hydrochloride; S-3304, safinamide mesilate, salcaprozic acid sodium salt, SDZ-SID-791, SGN-30, soblidotin, squalamine; Telmisartan/hydrochlorothiazide, testosterone gel, TF(c)-KLH conjugate vaccine, TH-9507, theraloc, tipifarnib, tocilizumab, travoprost; ValboroPro, valdecoxib, veglin, voriconazole; Ximelagatran.
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PMID:Gateways to clinical trials. 1553 46

A new simple criterion for diagnosing metabolic syndrome was proposed in the third report of the NCEP (National Cholesterol Education Program). In the present study, we analysed the association between metabolic syndrome and insulin resistance to investigate the effects of the latter on the prevalence of metabolic syndrome based on the new criteria recommended in the ATP (Adult Treatment Panel) III report. A total of 7057 participants (4472 men and 2585 women), who underwent medical screening at the Sungkyunkwan University Kangbuk Samsung Hospital, were investigated. Fasting insulin levels were measured and components of the metabolic syndrome as defined by the ATP III report were determined. We also applied the criteria for abdominal obesity as defined by APC-WC (Asia-Pacific criteria for waist circumference). The prevalence of metabolic syndrome as defined by ATP III was 5.3% (5.0% in men and 5.8% in women) and 8.9% (8.1% in men and 10.3% in women) by APC-WC. The odds ratio for the metabolic syndrome was significantly higher in subjects with higher insulin resistance than in those with lower insulin resistance. The mean levels of HOMA (homoeostatic model assessment) and fasting insulin were significantly higher in those with more of the components of the metabolic syndrome. A high HOMA (> or =2.56) and fasting insulin concentration (> or =9.98 microIU/ml; where IU is international unit) were found to be independent risk factors of the metabolic syndrome by multiple regression analysis after adjusting for age, sex and body mass index (P<0.001). These results show that the metabolic syndrome is significantly correlated with the insulin resistance index, and that appropriate values of HOMA and fasting insulin concentration may serve as a helpful guide for the management of metabolic syndrome.
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PMID:Relative risks of the metabolic syndrome according to the degree of insulin resistance in apparently healthy Korean adults. 1566 21

Voltage-gated potassium (Kv) currents of human pancreatic islet cells were studied by whole-cell patch clamp recording. On average, 75% of the cells tested were identified as beta-cells by single cell, post-recording RT-PCR for insulin mRNA. In most cells, the dominant Kv current was a delayed rectifier. The delayed rectifier activated at potentials above -20 mV and had a V(1/2) for activation of -5.3 mV. Onset of inactivation was slow for a major component (tau = 3.2 s at +20 mV) observed in all cells; a smaller component (tau = 0.30 s) with an amplitude of approximately 25% was seen in some cells. Recovery from inactivation had a tau of 2.5 s at -80 mV and steady-state inactivation had a V(1/2) of -39 mV. In 12% of cells (21/182) a low-threshold, transient Kv current (A-current) was present. The A-current activated at membrane potentials above -40 mV, inactivated with a time constant of 18.5 ms at -20 mV, and had a V(1/2) for steady-state inactivation of -52 mV. TEA inhibited total Kv current with an IC50 = 0.54 mm and PAC, a disubstituted cyclohexyl Kv channel inhibitor, inhibited with an IC50 = 0.57 microm. The total Kv current was insensitive to margatoxin (100 nm), agitoxin-2 (50 nm), kaliotoxin (50 nm) and ShK (50 nm). Hanatoxin (100 nm) inhibited total Kv current by 65% at +20 mV. Taken together, these data provide evidence of at least two distinct types of Kv channels in human pancreatic beta-cells and suggest that more than one type of Kv channel may be involved in the regulation of glucose-dependent insulin secretion.
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PMID:Biophysical and pharmacological properties of the voltage-gated potassium current of human pancreatic beta-cells. 1593 88

The natural expression of tissue-specific genes in the thymus, e.g., insulin, is critical for self-tolerance. The transcription of tissue-specific genes is ascribed to peripheral Ag-expressing (PAE) cells, which discordant studies identified as thymic epithelial cells (TEC) or CD11c+ dendritic cells (DC). We hypothesized that, consistent with APC function, PAE-DC should constitutively display multiple self-epitopes on their surface. If recognized by Abs, such epitopes could help identify PAE cells to further define their distribution, nature, and function. We report that selected Abs reacted with self-epitopes, including a proinsulin epitope, on the surface of CD11c+ cells. We find that Proins+ CD11c+ PAE cells exist in human thymus, spleen, and also circulate in blood. Human thymic Proins+ cells appear as mature DC but express CD8alpha, CD20, CD123, and CD14; peripheral Proins+ cells appear as immature DC. However, DC derived in vitro from human peripheral blood monocytes include Proins+ cells that uniquely differentiate and mature into thymic-like PAE-DC. Critically, we demonstrate that human Proins+ CD11c+ cells transcribe the insulin gene in thymus, spleen, and blood. Likewise, we show that mouse thymic and peripheral CD11c+ cells transcribe the insulin gene and display the proinsulin epitope; moreover, by using knockout mice, we show that the display of this epitope depends upon insulin gene transcription and is independent of Ag capturing. Thus, we propose that PAE cells include functionally distinct DC displaying self-epitopes through a novel, transcription-dependent mechanism. These cells might play a role in promoting self-tolerance, not only in the thymus but also in the periphery.
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PMID:Dendritic cells in human thymus and periphery display a proinsulin epitope in a transcription-dependent, capture-independent fashion. 1608 77

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