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Results for “Rh FACTOR”

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At least 793 records · Page 44Linked to original sources
PubMed1997

Stage IB and IIA cervical cancer with negative lymph nodes: the role of adjuvant radiotherapy after radical hysterectomy.

The records of 171 patients with lymph node-negative stage IB and IIA cervical cancer primarily treated with radical hysterectomy and pelvic lymphadenectomy from 1974 to 1992 were retrospectively reviewed to identify poor prognostic factors and evaluate the role of adjuvant pelvic radiotherapy. One hundred sixteen patients (68%) were treated with radical hysterectomy alone (RH) and 55 patients (32%) received adjuvant radiotherapy (RH + RT). Factors predictive of recurrence for the entire group of patients included lymph-vascular space invasion (LVSI) (P = 0.003) and grade 3 histology (P = 0.04). Patients receiving RH + RT were older and more likely to have outer third cervical wall invasion, LVSI, positive margins, > or =2 cm pathologic tumor size, and >4 cm clinical tumor size (all P < 0.05). Overall, 28 patients (16%) developed recurrent disease with no difference between RH and RH + RT groups. After controlling for confounding variables, patients with LVSI who received RH + RT were less likely to develop disease recurrence than patients receiving RH alone (P = 0.04). LVSI is an important prognostic variable in lymph node-negative stage IB and IIA cervical cancer. Although adjuvant pelvic radiotherapy may decrease the risk of recurrence in patients with LVSI, the majority of patients with negative lymph nodes may be treated with radical surgery alone.

Adult↗
PubMedDate not supplied

Antibodies to part of the Rho antigen complex occurring in two women with Rho variants.

Two women with Rho variants are reported. Both had received transfusions and had anti-Rh antibodies. One was found to have anti-Rh-ACD and anti-Jk-a and represents a phenotype not reported previously. The other was the mother of a child with a mild hemolytic disease caused by anti-Rh-CD. Family studies of both patients showed transmission of Rh-cd but not Rh-acd. Emphasis is placed on transfusing Rho negative blood to Rho variants lacking any or all of factors Rh-A, Rh-B, Rh-C and Rh-D.

Adult↗
PubMed1987

Predominant suppression of neutrophil colony growth by recombinant human tumor necrosis factor.

To investigate the suppressive effect of recombinant human tumor necrosis factor (rH-TNF) on colony growth of human granulocyte-macrophage progenitor cells (CFU-GM), cytochemical examinations of CFU-GM colonies were performed by a triple staining method. Each colony was classified into five subtypes, and the effects of rH-TNF on each subtype were analyzed. Neutrophil colony growth was inhibited by rH-TNF in a dose-dependent manner, and it was almost completely suppressed at 100 U/ml. In contrast, no significant suppressive effect of rH-TNF was found on the growth of monocyte-macrophage and eosinophil colonies at 100 U/ml or less. When recombinant human granulocyte colony-stimulating factor which almost exclusively stimulates neutrophil colony formation was used as a source of colony-stimulating activity, the total colony growth was almost completely suppressed by 100 U/ml of rH-TNF. These results indicate predominant inhibition of neutrophil colony growth by rH-TNF.

Adolescent↗
PubMed1993

Establishment of a karyotypically normal cytotoxic leukemic T-cell line from a T-ALL sample engrafted in SCID mice.

Bone marrow (BM) cells from a child with an immature (CD3-) acute T lymphoblastic leukemia (T-ALL) bearing no chromosomal abnormalities failed to grow in long-term culture in the presence or absence of recombinant human (rh) growth factors but could be engrafted in severe combined immunodeficient (SCID) mice and induced leukemia. The leukemic cells recovered from the animal tissues could be adapted to grow in vitro in the presence of rh interleukin-2 (IL-2) and give rise to a growth factor-dependent cell line designated TALL-107. This cell line expresses T-cell-specific mature markers (CD2, CD3/T-cell receptor [TCR] alpha beta, CD8, CD56), and its growth can be inhibited by IL-4 of all the cytokines tested. Similar to the original leukemic blasts, TALL-107 cells are clonal, have rearranged TCR-beta, gamma, and delta loci, and a normal 46 XY karyotype. However, unlike the patient's BM cells, the TALL-107 cell line displays potent tumoricidal activity that is not major histocompatibility complex restricted. The magnitude of mRNA expression of perforin and serine esterases and of lytic activity depends on the doses of IL-2 added. TALL-107 cells can also be triggered by CD3- and CD2-specific monoclonal antibodies (MoAbs) to mediate reverse tumor cell lysis. In addition, this cell line produces high levels of interferon gamma and tumor necrosis factor alpha on stimulation with anti-CD3 and/or anti-CD2 MoAb both in the presence or absence of IL-2. The overall data indicate that the SCID mouse is able to support the functional maturation and expansion of a cytotoxic T-cell subset from some types of T-ALL.

Animals↗