Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:2.7.10.2 (focal adhesion kinase)
 44,029 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A patient is described with de novo acute non-lymphocytic leukemia of megakaryoblastic lineage with tri-lineage myelodysplasia. This patient was studied cytogenetically and using molecular genetic techniques throughout her clinical course. She had an N-ras mutation at diagnosis which persisted despite a bone marrow transplant, and acquired a Philadelphia chromosome associated with a P190 BCR-ABL transcript at clinical relapse 3 months post-transplantation.
 ...
PMID:Megakaryoblastic leukemia with an N-ras mutation and late acquisition of a Philadelphia chromosome. 188 21

Regulation of the activity of the extracellular signal regulated kinase (ERK) mitogen-activated protein kinases was examined in Rat-1 HIR, a fibroblast cell line overexpressing the human insulin receptor. Insulin or phorbol ester induced partial activations of ERKs, while a combination of insulin and phorbol ester resulted in a synergistic activation. Preincubation with phorbol ester increased the subsequent response to insulin. Phorbol ester did not enhance tyrosine phosphorylation of the insulin receptor. Insulin did not enhance activation of phospholipase D in response to phorbol ester. Lysophosphatidic acid also acted synergistically with insulin to induce ERK activation. Lysophosphatidic acid alone had little effect on ERK, and did not activate phospholipase D. The combination of phorbol ester and insulin maintained tyrosine phosphorylation of focal adhesion kinase, while insulin alone decreased its tyrosine phosphorylation. Phorbol ester induced phosphorylation of She on serine/threonine, while insulin induced tyrosine phosphorylation of She and She-Grb2 binding. These results suggest that full activation of ERKs in fibroblasts can require the cooperation of at least two signaling pathways, one of which may result from a protein kinase C-dependent phosphorylation of effectors regulating ERK activation. In this manner, phorbol esters may enhance mitogenic signals initiated by growth factor receptors.
 ...
PMID:Synergistic effects of insulin and phorbol ester on mitogen-activated protein kinase in Rat-1 HIR cells. 857 69

A nurse practitioner at Women's and Children's Health Services in Philadelphia, Pennsylvania, has reviewed 26 documents on adolescent development, sexually transmitted disease (STDs), STD risk factors, and factors influencing condom use among heterosexual adolescents to develop recommendations for STD prevention programs. She uses the constructs of the Health Belief Model (HBM) to incorporate the findings of the literature review into the recommendations. Adolescents tend to use condoms infrequently and inconsistently. They also have a high rate of STDs. The perception that one can enjoy sex with condoms, condom use allows sex at the spur of the moment, condoms are clean and easy to use, condoms are popular with peers, and condoms require the male to be responsible has a positive association with intention to use condoms among adolescents. Among males, the perception of positive attitudes from their girlfriends toward condoms and an increased confidence in their ability to use condoms correctly is positively associated with condom use. Factors associated with nonuse include perceived barriers to condom use (inconvenience, reduced sexual pleasure, or embarrassing to use), increased use of nonbarrier contraceptives since they remove pregnancy prevention as a motivation for condom use, many lifetime partners, intercourse with strangers, multiple sex partners, and alcohol or illicit drug use. HBM focuses on the individual's perceptions, so health providers and educators should assess the individual's needs and how the adolescent's current behavior is meeting these needs. After identifying perceptions about condom use, the provider can intervene. Interventions include targeting misconceptions and perceptions of personal vulnerability and helping the adolescent do a more realistic risk assessment. Providers should focus on the social and physical benefits of condom use rather than just on the health benefits. They should also emphasize modes of STD transmission and effective means of protection, including a demonstration of condom use on a model.
 ...
PMID:Adolescent condom use, the health belief model, and the prevention of sexually transmitted disease. 862 4

A 44-year-old woman with Ph-positive CML was treated with TBI, splenic irradiation, Ara-C, and CY. She then received unmanipulated marrow cells from her HLA-identical brother. GVHD prophylaxis was FK506 and MTX. WBC counts reached 1000/microliter on day 28 when all metaphases of marrow cells showed 46XY. However, on day 42, 46XX was detected in two of 20 metaphases, and the percentage of cells with female karyotype subsequently increased. On day 519, all metaphases showed female karyotype. BCR-ABL mRNA and Philadelphia chromosome were never detected throughout her post-transplant course. Fluorescence in situ hybridization (FISH) revealed complete recovery of host-derived hematopoiesis in the bone marrow, however, mixed T cell chimerism in the peripheral blood. This suggests that the persistence of donor-derived T cells may prevent disease recurrence through graft-versus-leukemia effect. The patient remains in a molecular complete remission with host-derived hematopoiesis 749 days post-transplant.
 ...
PMID:Durable molecular remission in a patient with chronic myelogenous leukemia and host-derived hematopoiesis after allogeneic bone marrow transplantation. 889 99

During the past 4 years, significant progress has been made in elucidating the earliest events following binding of ligands to members of the cytokine receptor superfamily. This is a rapidly growing family of receptors that currently includes receptors for growth hormone (GH); prolactin; erythropoeitin; granulocyte colony-stimulating factor; granulocyte macrophage colony-stimulating factor; interleukin(IL)s 2-7, 9-13, 15; interferon (IFN)-alpha, beta, and gamma; thrombopoietin; leptin; oncostatin M; leukemia inhibitory factor (LIF); ciliary neurotrophic factor; and cardiotropin-1. Despite their diverse physiological effects in the body, ligands that bind to members of this family share multiple signaling pathways. An early and most likely initiating event for all of them is the activation of one or more members of the Janus (or JAK) family of tyrosine kinases. The activated JAK kinases, which form a complex with the cytokine receptor subunits, phosphorylate themselves as well as the receptor. These phosphorylated tyrosines form binding sites for various signaling molecules that are themselves thought to be phosphorylated by JAK kinases, including 1) signal transducers and activators of transcription (Stats), which regulate transcription; 2) She proteins that recruit Grb2-SOS complexes, thereby initiating the Ras-MAP kinase pathway; and 3) insulin receptor substrate (IRS) proteins that are thought to regulate metabolic events in the cell. Additional other signaling molecules have been implicated in signaling by some cytokines, including protein kinase C, SH2-B beta, and intracellular Ca. This review uses the GH receptor as a model system for studying cytokine signaling and summarizes some of the data used to establish JAK2 as a GH receptor-associated tyrosine kinase and to identify signaling molecules that lie downstream of JAK2. Since these pathways are shared by multiple cytokines, this review also discusses factors that might contribute to specificity of response to different cytokines.
 ...
PMID:Signaling via JAK tyrosine kinases: growth hormone receptor as a model system. 976 3

The adhesive extracellular matrix protein fibronectin and its integrin receptors play important roles at several stages of tumor development. Tumor cells are generally less adhesive than normal cells and deposit less extracellular matrix. The loosened matrix adhesion that results may contribute to the ability of tumor cells to leave their original position in the tissue. Normal cells, when detached, stop growing and undergo anoikis (apoptosis caused by loss of adhesion). Integrin-activated pathways mediated by focal adhesion kinase (FAK) and the adapter protein She seem to be particularly important in anchorage dependence; many oncoproteins are capable of shunting these pathways. Malignant cells circumvent anchorage dependence with the help of oncoproteins. Once invading tumor cells have gained access to the circulation, adhesion to the endothelia and other tissue components facilitates the establishment of tumor colonies at distant sites. Specific tissue affinities may underlie the tendency of some tumors to metastasize preferentially to certain tissues. Interfering with tumor cell attachment with integrin-binding peptides has been shown to be an effective antimetastatic strategy in animal experiments. Tumor angiogenesis is yet another aspect of malignancy wherein extracellular matrices and integrins are important. Angiogenic endothelial cells in tumor vessels depend on the alpha v family of integrins for survival. Inhibiting angiogenesis with compounds that block the activity of alpha v integrins, and targeting drugs into tumors through these integrins, show promise as new anticancer strategies.
 ...
PMID:Fibronectin and its integrin receptors in cancer. 1021 97

27 year old Melinda presents to you with increasingly severe dysmenorrhoea. She has been using condoms for contraception and is no longer able to control the pain with the anti inflammatory tablets you suggested at the last consultation 6 months ago. She also complains of the recent development of deep dyspareunia. She has been in her current relationship for the last 5 years. Examination illicits similar pain and tenderness to that which she feels during intercourse. A Pap smear and STD screen are normal. You refer her to a gynaecologist who undertakes a laparoscopy on Melinda. What is seen? Ovarian adhesions secondary to endometriosis (Figure 1). Classic endometriosis (Figure 2).
 ...
PMID:Endometriosis. 1056 95

A 72-year-old woman presented with cervicothoracal skin lesions mimicked to scleroderma and muscular atrophy in 1996. Because of the elevation of serum creatinine kinase (CK), muscular biopsy was performed at another institution. Under the diagnosis of polymyositis, she was treated with corticosteroid. Despite of the decrease in serum CK levels by corticosteroid therapy, skin lesions and mascular dystrophy gradually worsened to extend to the regions of major pectoral, paravertebral, and femoral muscles. In 1997, she was admitted to our hospital because of dyspnea. On admission, the limitation of the chest movement was obvious and she developed respiratory arrest due to CO2 narcosis. The femoral magnetic resonance image (MRI) showed increased signal intensity of subcutaneous tissues and fascia on T2-weighted image. The block biopsy specimens obtained from the cervical lesion revealed fibrotic thickness and chronic inflammation of subcutaneous septa, fascia, and perimysium. She was treated by mechanical ventilation and cimetidine and weekly methotrexate were added to the corticosteroid therapy because of the diagnosis of FPS. Thereafter, the skin and muscular lesions as well as the MRI findings were improved. The concept of FPS was proposed by Naschitz et al. This condition is pathologically characterized by cicatrizing fascitis, septal and lobular panniculitis, and perimysial fibrosis and peripheral blood and tissue eosinophilia is not important for diagnosis. FPS includes classical eosinophilic fascitis but is also associated with several disorders such as malignancy. This case is suggestive of the therapeutic consideration of FPS in terms of the response to cimetidine and MTX.
 ...
PMID:[Ventilatory failure due to the limitation of chest movement in a case of FPS]. 1128 Aug 99

Severe lactic acidosis has been increasingly reported as a potentially fatal complication of HIV treatment. We report on an asymptomatic HIV-infected woman treated with stavudine, lamivudine and indinavir for one year. She was hospitalized because of progressive dispnoea, oedema, cyanosis and severe lactic acidosis. Arterial blood pH was 6.98, bicarbonate 4.4 mmol/l (normal value 22-26), blood lactate: 29.7 mmol/l (normal value <2.2). Hepatic function was normal. She had an impressively rapid response (within a few hours) to empirical treatment with thiamine (100 mg i.v.). No evidence of sepsis or malabsorption were identified and vitamin B1 level was not tested before thiamine infusion. Three months later she was re-started successfully on nelfinavir plus nevirapine. The rapid response to thiamine infusion deserves a careful attention and such an approach should be considered in similar cases as a support treatment of this potentially life-threatening complication of HIV therapy.
Int J STD AIDS 2001 Jun
PMID:Severe lactic acidosis and thiamine administration in an HIV-infected patient on HAART. 1136 26

The roles of men and women affect sexual health and often make it difficult for either sex to adopt safer behaviors. The author explains why a gender perspective is important and writes that programs can incorporate a gender perspective in their design by taking into account the differing needs and opportunities of men and women. She considers learning about sexual health needs, sexual health services, use of the media, policy and law, changing organizations, and evaluation. Education on HIV/STDs is more likely to be effective in changing behaviors if it is incorporated into a broader program of sexual health promotion which includes contraception, gender relations, sexuality, sexual pleasure, and abuse.
AIDS STD Health Promot Exch 1995
PMID:Incorporating a gender perspective into sexual health promotion. 1234 68


1 2 3 4 5 6 7 8 9 10 Next >>