pH Decline in the Two Layers of the Panniculus Adiposus

Jd, Sink

doi:10.1038/210861a0

Cited by 3 publications

(2 citation statements)

References 6 publications

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“…Hampshire animals had higher 1-and 4-hour pH values than the Chester Whites. Highly significant and significant layer differences, following the same pattern as previously reported (Sink, 1966) were noted. The outer layer of the panniculus adiposus always exhibited a higher pH but the [ ~] between initial and ultimate values was greater in the inner layer.…”

Section: Methodssupporting

confidence: 86%

“…-L Tissue pH changes have been accepted as an indication of the underlying, concomitant physical and chemical changes (Lawrie et al, 1958; Wismer-Pedersen and Briskey, 1961). In an earlier investigation (Sink, 1966), the two layers of the panniculus adiposus of Sus domesticus were observed to differ significantly in the rate and extent of pH changes. The present study was conducted to determine the age and genetic effects on these pH changes that occur in adipose tissue.…”

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confidence: 99%

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Age and genetic effects on pH changes in adipose tissue

Sink¹

1967

J. Agric. Food Chem.

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Age and genetic (animal breed) effects on changes in adipose tissue (panniculus adiposus) pH and hydrogen ion concentration were studied. Initial (0-hour) p H were shown to increase ( P < 0.01) with age in both the outer and inner layers of the panniculus adiposus. The reverse trend with age was noted for 4-hour and ultimate (24-hour) pH values. The genetic effect on p H changes in adipose tissues was Sink demonstrated, particularly in older animals. Increasing animal age also resulted in greater p H and hydrogen ion concentration changes between initial (0-hour) and ultimate (24-hour) measurements in both layers of the panniculus adiposus. Only in the older (225-day) animals did animal breed affect these changes.ging is the result of processes taking place at subcellular and molecular levels (Sorokin, 1964).

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Section: Methodssupporting

confidence: 86%

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confidence: 99%

Age and genetic effects on pH changes in adipose tissue

Sink¹

1967

J. Agric. Food Chem.

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Sclerema neonatorum

Pasyk¹

1980

Virchows Arch. A Path. Anat. and Histol.

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Specimens from four cases of sclerema neonatorum were studied by light and electron microscopy. The connective tissue bands of the cutis and subcutis were thickened and alternated with loosely distributed bands in broad, distended areas of basal substance. Extensive areas areas filled with cross-banded structures were observed in the dermis. In the interlobular septa of the subcutaneous and perirenal fat splitting of fibers into microfibrils was visible. Changes in the capillaries and small blood vessels were also noted. Neither fat cells filled with rosettes of needle-like crystals, nor any inflammatory infiltrates of foreign body type giant cells were found in subcutaneous tissue.

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Beyond the Mouse Monopoly: Studying the Male Germ Line in Domestic Animal Models

González

Dobrinski

2015

ILAR Journal

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Spermatogonial stem cells (SSCs) are the foundation of spermatogenesis and essential to maintain the continuous production of spermatozoa after the onset of puberty in the male. The study of the male germ line is important for understanding the process of spermatogenesis, unravelling mechanisms of stemness maintenance, cell differentiation, and cell-to-cell interactions. The transplantation of SSCs can contribute to the preservation of the genome of valuable individuals in assisted reproduction programs. In addition to the importance of SSCs for male fertility, their study has recently stimulated interest in the generation of genetically modified animals because manipulations of the male germ line at the SSC stage will be maintained in the long term and transmitted to the offspring. Studies performed mainly in the mouse model have laid the groundwork for facilitating advancements in the field of male germ line biology, but more progress is needed in nonrodent species in order to translate the technology to the agricultural and biomedical fields. The lack of reliable markers for isolating germ cells from testicular somatic cells and the lack of knowledge of the requirements for germ cell maintenance have precluded their long-term maintenance in domestic animals. Nevertheless, some progress has been made. In this review, we will focus on the state of the art in the isolation, characterization, culture, and manipulation of SSCs and the use of germ cell transplantation in domestic animals.

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pH Decline in the Two Layers of the Panniculus Adiposus

Cited by 3 publications

References 6 publications

Age and genetic effects on pH changes in adipose tissue

Age and genetic effects on pH changes in adipose tissue

Sclerema neonatorum

Beyond the Mouse Monopoly: Studying the Male Germ Line in Domestic Animal Models

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