Ignet

Gene Pair Information

Gene Pair: PTPN1, INS

Related Sentences

#	PMID	Sentence
1	7544790	To explore whether PTP1B, a widely expressed, non-receptor-type PTPase, regulates insulin signaling, we used osmotic shock to load rat KRC-7 hepatoma cells with affinity-purified neutralizing antibodies that immunoprecipitate and inactivate the enzymatic activity of recombinant rat PTP1B in vitro.
2	7544790	In order to characterize the potential site(s) of action of PTP1B in insulin signaling, we also determined that insulin-stimulated receptor autophosphorylation and insulin receptor substrate 1 tyrosine phosphorylation were increased 2.2- and 2.0-fold, respectively, and that insulin-stimulated receptor kinase activity toward an exogenous peptide substrate was increased by 57% in the PTP1B antibody-loaded cells.
3	10751417	Overexpression of PTP1B had no effect on basal, submaximally or maximally (100 nm) insulin-stimulated glucose transport or on the EC(50) for transport.
4	10751417	Our results suggest that: 1) insulin stimulation of glucose transport in adipocytes requires
5	10974195	Furthermore, when fed a high fat diet, these mice maintained insulin sensitivity and were resistant to obesity, suggesting that inhibition of PTP-1B activity could be a novel way of treating type 2 diabetes and obesity.
6	11137300	PTP-1B is a ubiquitously expressed intracellular protein tyrosine phosphatase (PTP) that has been implicated in the negative regulation of insulin signaling.
7	12670229	Inhibition of PTP1B is expected to improve insulin action, and the design of small molecule PTP1B inhibitors to treat type II diabetes has received considerable attention.
8	12678842	These observations strongly support PTP1B as a negative regulator of insulin action, thereby making it an ideal therapeutic target for intervention in type 2 diabetes and obesity.
9	12678843	Recent studies have demonstrated that protein tyrosine phosphatase 1B (PTP1B) is involved in the down regulation of insulin signaling.
10	14516196	Protein tyrosine phosphatase 1B (PTP1B) has been implicated in the regulation of the insulin signaling pathway and represents an attractive target for the design of inhibitors in the treatment of type 2 diabetes and obesity.
11	15024017	In particular, PTP1B has been the focus of many academic and industrial laboratories because it was found to be an important negative regulator of insulin and leptin signaling, and hence a potential therapeutic target in diabetes and obesity.
12	15031294	Previous studies implicate protein-tyrosine phosphatase 1B (PTP1B) and leukocyte antigen-related phosphatase (LAR) as negative regulators of insulin signaling.
13	15031294	Insulin-stimulated insulin receptor (IR) tyrosyl phosphorylation and phosphatidylinositol 3'-kinase activity were impaired by 35% and 40-60% in muscle of PTP1B-overexpressing mice compared with controls.
14	15031294	Lack of additive impairment of insulin signaling by PTP1B and LAR suggests that these PTPs have overlapping actions in causing insulin resistance in vivo.
15	16363874	Thus, there is compelling evidence that small molecule inhibitors of PTP1B may be effective in treating insulin resistance at an early stage, thereby leading to a prevention strategy for T2DM and obesity.
16	16828971	Protein tyrosine phosphatase 1B (PTP1B) is a key element in the negative regulation of the insulin signaling pathway and may play an important role in diabetes and obesity.
17	17705360	Protein tyrosine phosphatase 1B (PTP1B) is a negative regulator of the insulin and leptin receptor pathways and thus an attractive therapeutic target for diabetes and obesity.
18	17940160	Furthermore, down-regulation of PTP1B activity is possible by the use of pharmacological agonists of nuclear receptors that restore insulin sensitivity in the presence of TNF-alpha.
19	18599621	In conclusion, our findings showed that overnutrition during early life induced obesity and insulin resistance in the adult offspring, and further increased heart size and impaired cardiac insulin signaling, putatively due to an increase in Ptpn1 activity.
20	18796617	Three mechanisms seem to operate in IL-6-induced insulin resistance: activation of c-Jun NH(2)-terminal kinase 1/2 (JNK1/2), accumulation of suppressor of cytokine signaling 3 (socs3) mRNA, and an increase in PTP1B activity.
21	18925540	Insulin stimulation of fibroblasts with mutations resulted in a significantly smaller increase in PTP1B activity compared with stimulation of wild-type fibroblasts (p<0.05).
22	19029027	Protein-tyrosine phosphatase-1B (PTP1B) has been implicated in the negative regulation of insulin signaling.
23	19074988	The protein tyrosine phosphatase PTP1B is a negative regulator of insulin signaling; consequently, mice deficient in PTP1B are hypersensitive to insulin.
24	19074988	Liver-specific PTP1B(-/-) mice have increased hepatic insulin signaling, decreased expression of gluconeogenic genes PEPCK and G-6-Pase, enhanced insulin-induced suppression of hepatic glucose production, and improved glucose tolerance.
25	20381358	PTP1B, a non-transmembrane protein tyrosine phosphatase that has long been studied as a negative regulator of insulin and leptin signaling, has received renewed attention as an unexpected positive factor in tumorigenesis.
26	20601126	Transfection of VSMC with PTP-1B antisense oligonucleotide markedly reduced the effects of Ang II on insulin signaling.
27	20815278	TFLC can significantly decrease the blood levels of glucose and lipid and ameliorate oxidation stress in liver; its mechanism of action in improving insulin resistance might be related with its suppression on PTP1B expression in rat's liver to enhance the insulin signaling pathway.
28	20964318	Protein tyrosine phosphatase 1B (PTP1B) is a negative regulator in the process of insulin signaling and a promising drug target for diabetes and obesity.
29	20876718	Suppressor of cytokine signaling (SOCS)-3 and protein-tyrosine phosphatase 1B (PTP-1B) are two endogenous inhibitors of tyrosine kinase signaling pathways and suppress both insulin and leptin signaling via different molecular mechanisms.
30	21299122	Protein tyrosine phosphatase 1beta (PTP1beta) acts as a negative regulator of insulin signaling.
31	20028942	To define the relationship between these two signaling pathways in the regulation of liver metabolism, we used genetic and pharmacological approaches to study the effects of inhibiting PTP1B on hepatic insulin signaling and expression of gluconeogenic enzymes in IRS2(-/-) mice.
32	20380650	JTT-551, a newly developed PTP1B inhibitor, improves glucose metabolism by enhancement of insulin signalling and could be useful in the treatment of type 2 diabetes mellitus.
33	21311858	Treatment with TNF-? augmented the activity ratios of both GS and GP, and impaired insulin stimulation of glycogen synthesis in wild-type myocytes, whereas Ptp1b (-/-) myocytes restored this inhibitory effect.
34	21683066	Therefore, inhibition of PTP1B activity or down-regulation of its expression should ameliorate insulin and leptin resistance, and may hold therapeutic utility in type 2 diabetes mellitus and obesity control.
35	17724080	Because adiposity affects insulin sensitivity, the extent to which PTP1B directly regulates glucose homeostasis has been unclear.
36	17724080	Nevertheless, muscle-specific PTP1B(-/-) mice exhibit increased muscle glucose uptake, improved systemic insulin sensitivity, and enhanced glucose tolerance.
37	21962515	Protein tyrosine phosphatase 1B (PTP1B) plays important roles in downregulation of insulin and leptin signaling and is an established therapeutic target for diabetes and obesity.
38	12502489	Using PTP1B antisense oligonucleotides (ASOs), effects of decreased PTP1B levels on insulin signaling in diabetic ob/ob mice were examined.
39	12502489	Protein kinase B (PKB) serine phosphorylation was increased sevenfold in liver of PTP1B ASO-treated mice upon insulin stimulation, while phosphorylation of PKB substrates, glycogen synthase kinase (GSK)-3alpha and -3beta, was increased more than twofold.
40	12502489	These results indicate that reduction of PTP1B is sufficient to increase insulin-dependent metabolic signaling and improve insulin sensitivity in a diabetic animal model.