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At least 145 records · Page 8Linked to original sources
PubMed2004

Alterations in the C-terminal region of the HIV-1 accessory gene vpr do not confer clinical advantage to subjects receiving nucleoside antiretroviral therapy.

The C terminus of the human immunodeficiency virus type 1 (HIV-1) accessory protein vpr acts in viral cell cycle arrest, nuclear localization, and apoptosis. Polymorphisms in this region are described in series of long-term nonprogression cases. We determined vpr sequences of archived baseline specimens from 96 participants in a historical trial of single- versus double-nucleoside reverse-transcriptase inhibitors. These sequences were then analyzed by study-entry and -outcome characteristics such as baseline absolute CD4(+) T cell count, prior treatment, CD4(+) T cell response, and clinical endpoints. Frequency of C-terminal mutations did not correlate to any measures of disease intensity. Changes in that portion of vpr did not attenuate disease.

CD4 Lymphocyte Count↗
PubMed1993

Southwestern Internal Medicine Conference: clinical use of hematopoietic growth factors.

The hematopoietic growth factors, granulocyte colony-stimulating factor (G-CSF) and granulocyte-macrophage colony-stimulating factor (GM-CSF), have been cloned, produced in bacteria and yeast, and approved for clinical use in the treatment of neutropenia. Both factors stimulate the proliferation and maturation of neutrophil progenitors and enhance the effector functions of mature cells by interaction with specific receptors on the cell surface. Serum levels of G-CSF correlate inversely with the neutrophil count, suggesting that G-CSF may be the normal homeostatic regulator of the neutrophil count, while GM-CSF is generally undetectable in the serum and appears under normal physiologic conditions to act locally at inflammatory sites. Phase I and II clinical trials with these factors demonstrated minimal toxicity for G-CSF and mild to moderate dose-dependent toxicity for GM-CSF. Recent clinical trials, including double-blind, randomized studies, support a role for these growth factors in the treatment of chronic neutropenias, such as Kostmann's syndrome, acquired immune deficiency syndrome (AIDS), aplastic anemia, and myelodysplasia, as well as in acute neutropenias, such as cyclic neutropenia, chemotherapy-induced neutropenia, and bone marrow transplantation.

Acquired Immunodeficiency Syndrome↗
PubMed1989

Nonmedical complications of diagnostic workup for dementia [clinic conference].

Testing for patients presenting with dementias can lead to diagnosis of disorders that can contribute to cognitive dysfunction, and to improvement, stabilization, or slowed deterioration in some demented patients. However, possible benefits must be balanced against possible costs. The present recommendations for workup of patients with dementia includes some tests with only marginal benefits, and a more limited workup may be as effective. This case demonstrates how important it is to be sensitive as well to possible effects on family relationships of demented patients. When we evaluate and treat demented patients, the dependence of the demented patient on the caregiver and the emotional and physical stresses experienced by many caregivers make it important to consider the patient and caregiver as a system vulnerable to many potential risks.

Aged↗