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At least 55 records · Page 3Linked to original sources
PubMed1989

Prospective study of the pituitary-ovarian function after tubal sterilization by the Pomeroy or Uchida techniques.

Surgical sterilization has become one of the most widely used methods of fertility regulation in the world. A common concern is the not yet clarified possible disturbance of the ovarian function resulting from the surgical procedure. A prospective study was carried out to contribute toward answering this question. Twenty subjects were enrolled in a longitudinal study of ovarian endocrine function before, and 2 and 6 months after, tubal ligation. The Pomeroy technique, which may compromise ovarian circulation, and the Uchida technique, which is free of this risk, were used randomly. Eight women who underwent to the Pomeroy technique and 9 who underwent the Uchida technique completed the protocol. Luteinizing hormone, follicle-stimulating hormone, estradiol, and progesterone were measured daily from days 10 through 18 of the cycle and every other day until the onset of the next menses. No change in any of the hormones studied was observed, with the exception of a significant increase in progesterone 2 months after tubal ligation by the Uchida technique.

Female↗
PubMed1996

[Two cases of giant condyloma of the penis treated with penis-sparing methods].

Herein, we report two cases of giant condyloma of the penis treated with penis-sparing methods. In the first case, the papillomatous tumor disappeared with topical use of fluorouracil ointment. In the second case, the tumor was treated with topical use of fluorouracil or bleomycin hydrochloride, followed by the resection of tumor. Giant condylomas reported in the recent 13 years are reviewed and methods of treatment discussed.

Administration, Topical↗
PubMed1989

Biochemical characterization of the yeast vacuolar H(+)-ATPase.

The yeast vacuolar proton-translocating ATPase was isolated by two different methods. A previously reported purification of the enzyme (Uchida, E., Ohsumi, Y., and Anraku, Y. (1985) J. Biol. Chem. 260, 1090-1095) was repeated. This procedure consisted of isolation of vacuoles, solubilization with the zwitterionic detergent ZW3-14, and glycerol gradient centrifugation of the solubilized vacuoles. The fraction with the highest specific activity (11 mumol of ATP hydrolyzed mg-1 min-1) included eight polypeptides of apparent molecular masses of 100, 69, 60, 42, 36, 32, 27, and 17 kDa, suggesting that the enzyme may be more complex than the three-subunit composition proposed from the original purification. The 69-kDa polypeptide was recognized by antisera against the catalytic subunits of two other vacuolar ATPases and labeled with the ATP analog 7-chloro-4-nitrobenzo-2-oxa-1,3-diazole, indicating that it contains all or part of the catalytic site. A monoclonal antibody was prepared against this subunit. Under nondenaturing conditions, the antibody immunoprecipitated eight polypeptides, of the same molecular masses as those seen in the glycerol gradient fraction, from solubilized vacuolar vesicles. All eight of these polypeptides are therefore good candidates for being genuine subunits of the enzyme. The structure and function of the yeast vacuolar H+-ATPase were further characterized by examining the inhibition of ATPase activity by KNO3. In the presence of 5 mM MgATP, 100 mM KNO3 inhibited 71% of the ATPase activity of vacuolar vesicles, and the 69- and 60-kDa subunits (and possibly the 42-kDa subunit) were removed from the vacuolar membrane to a similar extent. At concentrations of less than 200 mM KNO3, the stripping of the ATPase subunits and the inhibition of ATPase activity were dependent on the presence of MgATP, suggesting that this is a conformation-specific disassembly of the enzyme. The yeast vacuolar H+-ATPase is a multisubunit enzyme, consisting of a combination of peripheral and integral membrane subunits. Its structure and subunit composition are very similar to other vacuolar ATPase, and it shares some characteristics with the F1F0-ATPases.

Anti-Bacterial Agents↗
PubMed1980

Side-effects of prosthetic materials on the human body.

The authors report 6 patients (7 joints) in whom inflammation, dermal necrosis, dermatitis or fistula formation was attributed to the materials commonly used for joint endoprostheses. Histological appearances and chemical analyses of the involved tissues are presented, together with a discussion of the possible mechanism and methods of diagnosis and treatment.

Adult↗
PubMedDate not supplied

A new rapid method for quantification of PCBs in transformer oil.

In order to improve the efficiency and cost-effectiveness of the PCB analysis, the DMSO partition and SPE extraction were applied to clean up the PCB-contaminated transformer oils and PCB level was determined by means of the quadrupole GC/MS. The analysis data obtained from this method were compared statistically to that from the standard method.

Chemistry Techniques, Analytical↗
PubMed1999

Dermatological applications of skin potential level measurements.

Decreasing of the negativity of skin potential level (SPL) on the palmar surface of healthy subjects associated with the process of falling asleep, with a return to increased negativity on awakening, was reported by Nishimura and Nagumo (Ergonomics 1985;28(6):905-913). To clarify the dermatological significance of SPL measurements, the SPL of normal skin at various paired sites in the right upper limb, right lower limb and trunk in healthy volunteers and also at the sites of lesions in patients with psoriasis, herpes zoster and nummular eczema were measured. Fitting curves for the decreasing showed exponential characteristics on the palm and the heel where many sweat glands are involved. SPL differences on other sites did not show the exponential decreasing, but kept almost constant values. The values are negative on normal skin, but positive on lesions sites. We also studied the effects of water content in the horny layer on SPL differences and the biorhythmical changes of SPL differences. We discussed the reasons why these results were obtained. The present study provides the promise of an objective, noninvasive and easy method of testing dermatological conditions.

Adult↗