(1) Although Jeggo's Chinese hamster ovary cells were more responsive to mAMSA, novo still abrogated mAMSA toxicity in the mutant cells as well as in the parental Chinese hamster ovary cells 2,4-Dinitrophenol acted similarly to novo with respect to mAMSA killing, but neither compound reduced the ATP content of V79 cells.
(2) This study was designed to investigate the localization and cyclic regulation of the mRNA for these two IGFBPs in the porcine ovary, RNA was extracted from whole ovaries morphologically classified as immature, preovulatory, and luteal.
(3) Stimulation of dopamine D2 receptors potentiates Ca2+ ionophore- or ATP-induced arachidonic acid (AA) release in D2 receptor cDNA-transfected Chinese hamster ovary (CHO) cells [CHO(D2)].
(4) Stable mutants which are between 1.6- and 2.2-fold resistant to the microtubule inhibitor, nocodazole (NocR mutants) have been isolated in Chinese hamster ovary cells after a single-step selection.
(5) Ovarian venous concentrations of these four steroids from the side draining the tumor-bearing ovary were increased in 40 to 80% of the women.
(6) Ovarian aromatase activity, assessed by incubating the homogenised ovaries of treated rats with tritium-labelled androstenedione (0.2 microM) or testosterone (1 microM), indicated that residual enzyme activity was reduced compared with controls.
(7) The normal tissues included the ovary, fallopian tube, uterine endometrium, uterine cervix, and vagina.
(8) To determine where in the cell cycle Chinese hamster ovary cells die following heating in G1, a mild hyperthermia treatment, i.e., 10 or 11.5 min at 45.5 degrees C, resulting in 40-50% cell kill was used.
(9) The clinical and pathological features of a patient with giant cell arteritis of the uterus and ovaries are described.
(10) The surface of the ovary has been found to be composed of two types of epithelial cells called A and B cells which are found in their own respective zones, the A and B zones.
(11) As early as postnatal Day 2, NPY-I nerves were observed in connective tissue septa of the developing ovary.
(12) This increase was consistent with the stimulation of the total renin concentration in the ovary.
(13) Only 7 of 241 hatchlings had gonads that had not differentiated fully into ovaries or testes.
(14) We now report on the Singapore Chinese experience, in which the following changes were notable: decreases in rates of cancers of the stomach and oesophagus and increases in rates of cancers of the lung, colon, rectum, skin (excluding melanoma), breast and ovary.
(15) This study demonstrated that the ovaries did not influence uterine growth until after 60 d of age and that unilateral ovariohysterectomy could be performed as early as 60 d of age without altering consequent normal uterine growth.
(16) In ovaries, GtH stimulates production of 17 alpha-hydroxyprogesterone in the thecal cells.
(17) We have used a rapid in vivo recombinational method to clone and completely sequence 34 UV-induced mutants at the adenine phosphoribosyltransferase (APRT) locus of Chinese hamster ovary cells.
(18) None of the rete-depleted ovaries exhibited normal follicular differentiation regardless of the presence or absence of the surface epithelium, whereas follicles developed normally in all the implants containing the rete system.
(19) Interpretation of the results shows that the ovary of the European eel contains the following enzymes: a 3 beta-hydroxysteroid dehydrogenase, 5----4-ene-isomerase complex, a 17 alpha-hydroxylase, a C21-C19 desmolase, a 17 beta-hydroxysteroid oxidoreductase, a 5 alpha-reductase, a 3 beta-hydroxysteroid oxidoreductase and an aromatase complex.
(20) The data are expressed as percent inhibition of ovulation in the treated vs. the untreated ovaries.
Testis
Definition:
(n.) A testicle.
Example Sentences:
(1) Thus, our study confirmed that male subjects with a history of testicular maldescent have an increased risk for testis cancer, although the magnitude of this risk was lower than suggested previously.
(2) The expression of the mRNA for mouse testicular lactate dehydrogenase (LDH-X) was examined by RNA:cDNA hybridization in situ in the testis and by Northern analyses of meiotic and postmeiotic spermatogenic cell populations.
(3) In contrast, Leydig cells from rat testis contain monooxygenase systems which catalyze the metabolism of PAH, such as DMBA.
(4) Testis MAPs promoted microtubule assembly, but to a lesser degree than brain MAPs.
(5) Comparison of the native and derivatized wheat germ CaMs with native bovine testis CaM indicates that the concentrations of these proteins required for half-maximal stimulation of either erythrocyte membrane Ca2+-ATPase activity or cardiac sarcoplasmic reticulum phosphorylation are very similar.
(6) In an effort to understand the regulation of the onset of testosterone formation in the human fetal testis we measured adenylate cyclase activity in response to hCG stimulation in homogenates of fetal testes obtained from first and second trimester human abortuses.
(7) Gonadoblastoma is an unusual tumor that typically arises in a streak gonad or an abnormal testis of an individual having a Y chromosome.
(8) Immune response in a patient with an in-situ seminoma of the testis was studied.
(9) We conclude that there are high levels of a GHRH-like substance in mature rat testis which is present both at the level of protein product and gene transcript.
(10) Due to low numbers of animals in Replica 1, the reduced Leydig cell volume was not significant after TCDD treatment; however, in Replica 2 there was a dose-dependent reduction (P < 0.01) in volume per testis of Leydig cell cytoplasm, nuclei, or total Leydig cell volume.
(11) The findings also raise the possibility that Prl may play a role in the regulation of testosterone synthesis by the prepubertal testis.
(12) Likewise, [3H]estradiol-receptor complexes from rabbit uterus, Squalus oviduct, or mouse testis bound minimally to Squalus testicular chromatin.
(13) The cells transferred were of three types, normal spleen cells, T cell-enriched spleen and lymph node cells from mice immunized with testis homogenate (TH) in complete Freund's adjuvant (CFA) and given an extract of Bordetella pertussis (BP) and the latter cells activated by in vitro culture with TH antigen for 48 h. Controls were given buffer alone.
(14) Testis weight was decreased to approximately 50% of control after eight weeks of treatment.
(15) There was a testy set of exchanges between the editor and Michael Ellis.
(16) A rare case of a seminoma developing in an atrophic testis is described and the role of testicular atrophy in tumorigenesis is discussed.
(17) The efficacy of combined cytostatic-surgical treatment was evaluated in a prospective study involving 70 patients with germinal tumors of the testis metastasizing into the lungs.
(18) Micrococcal nuclease-digested testis and erythrocyte chromatin was separated into soluble and insoluble fractions.
(19) Specific high affinity saturable binding proteins for oestradiol-17beta have been demonstrated in the cytoplasm of liver, adrenal, pituitary, prostate, epididymis and testis interstitial tissue of the rat.
(20) As for possible causes of reduced Leydig cell activity it was investigated whether the testis was (1) hypoplastic; (2) abnormally fused with the epididymis; (3) located in the abdomen; (4) or UT was associated with hypospadias.