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Biomedical subjects

C Henley

Publications and source records attributed to C Henley.

24 records · Page 2Linked to original sources
PubMed1971

Pelvic kidney.

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Adult↗
PubMed1969

The "9+1" pattern of microtubules in spermatozoa of Mesostoma (Platyhelminthes, Turbellaria).

The living spermatozoa of the flatworm Mesostoma georgianum have a sperm body about 100 mu long and 0.5 mu wide, and two motile free flagella, ca. 200 mu long. In sections examined with the electron microscope, these flagella have the usual nine pairs of peripheral doublet microtubules and have a single central core unit which is connected to the A members of the doublets by spokelike structures. There are also short connections between the doublets and the flagellar membrane. In material negatively stained with phosphotungstic acid, the doublet microtubules seem to have very different elastic properties than the core; they tend to fall on the copper grids in coils of rather uniform diameter (2-4 mu), while the core is much more rigid and is often found extending alone, along a relatively straight course, for very long distances (up to 73 mu). After negative staining, the core has a striking appearance with a dense center around which are wound two hollow structures in a double helix of 45 degrees pitch. The center-to-center distance of each gyre is approximately 650 A, and the hollow structures are ca. 180 A in diameter.

Animals↗
PubMedDate not supplied

Efficacy and safety of abacavir plus lamivudine versus didanosine plus stavudine when combined with a protease inhibitor, a nonnucleoside reverse transcriptase inhibitor, or both in HIV-1 positive antiretroviral-naive persons.

PURPOSE: The combination of abacavir + lamivudine (ABC+3TC) versus didanosine + stavudine (ddI+d4T), each combined with other classes of antiretrovirals (ARVs) in ARV-naive patients, was compared for the combined endpoint of time to plasma HIV RNA >50 copies/mL (at or after the 8-month visit) or death (primary endpoint) in a nested substudy of an ongoing multicenter randomized trial. METHOD: The substudy enrolled 182 patients; mean HIV RNA and CD4+ cell counts at baseline were 5.1 log10 copies/mL and 212 cells/mm3, respectively. RESULTS: After a median follow-up of 28 months, rates of primary endpoint were 57.2 and 67.8 per 100 person-years for the ABC+3TC and ddI+d4T groups (hazard ratio [HR]=0.81, 95% confidence interval [CI] 0.58-1.14, p=.23). CONCLUSION: There was a trend for treatments containing ABC+3TC to be better than treatments containing ddI+d4T with respect to HIV RNA decreases, CD4+ cell count increases, and tolerability.

Anti-HIV Agents↗