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Biomedical subjects

S R Patil

Publications and source records attributed to S R Patil.

71 records · Page 4Linked to original sources

Bone marrow chromosome abnormalities in breast cancer in patients following adjuvant chemotherapy.

Two patients developed acute bone marrow cancer following mastectomy and institution of alkylating agents as adjuvant chemotherapy. An aneuploid condition was observed in both cases, along with involvement of chromosomes 11 and 12 in structural rearrangements. Subsequent studies of 18 patients who had or had not received such therapy showed no evidence of chromosomal aberrations. However, the long-term effect of adjuvant chemotherapy in cancer patients is still of concern until additional information becomes available.

Adult↗

Pentasomy X with multiple dislocations.

We describe a pentasomy X (49,XXXXX) patient whose multiple dislocations led to a consideration of the Larsen syndrome. Review of the 11 reported cases of pentasomy X showed that elbow dislocations are known to occur in this syndrome. Our patient is the first to present hypoplasia of the glenoid process with consequent should dislocation. Clinical and radiologic findings of previously reported cases of pentasomy X are reviewed.

Abnormalities, Multiple↗

Retinoblastoma Y79 cell line: a study of membrane structures.

The continuous retinoblastoma cell line Y79, grown in suspension culture, has been examined by transmission and scanning electron microscopy, including freeze-fracture replica preparations. Four classes of cells were distinguishable by their size and surface characteristics. The surface structures included blebs, filopodia, lamellipodia, microvilli, and microplicae. The possible origin of a most unusual type of cell, apparently forming natural clones, is discussed.

Cell Line↗

Classification of qh regions in human chromosomes 1, 9, and 16 by C-banding.

We present a classification for secondary constriction (qh) regions with C-banding technique in chromosomes 1, 9, and 16 by means of comparing them to the short arm of chromosome 16. It is simple and convenient and can be used routinely. It can be incorporated into the modified Paris nomenclature system.

Chromosomes, Human↗

A possible association of long Y chromosomes and fetal loss.

Long Y chromosomes is a relatively unbiased large sample of newborn infants were measured. The proportion of prior abortions was increased twofold in mothers of long Y infants compared to the control in the Caucasian sample. Our results indicate that an increased length of Y chromosome may be an important cause of fetal loss.

Abortion, Habitual↗

Identification of each human chromosome with a modified Giemsa stain.

Differential staining of human chromosomes can be obtained when the pH of Giemsa stain is changed to 9.0 from the usual 6.8. Such staining permits identification of all homolog pairs and distinct regions within chromosome arms. In most instances, the pattern is quite similar to that obtained with quinacrine mustard fluorescence staining. Certain regions, such as the paracentric constrictions in chromosomes Al and C9, and the distal end of the long arm of the Y chromosome stain differently with the Giemsa 9 technique. The technique is considerably simpler than the quinacrine mustard fluorescence technique and identification of homologs is also easier than in cells stained by the latter.

Buffers↗